Merge tag 'media/v4.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media

Pull media updates from Mauro Carvalho Chehab:

 - new Mediatek drivers: mtk-mdp and mtk-vcodec

 - some additions at the media documentation

 - the CEC core and drivers were promoted from staging to mainstream

 - some cleanups at the DVB core

 - the LIRC serial driver got promoted from staging to mainstream

 - added a driver for Renesas R-Car FDP1 driver

 - add DVBv5 statistics support to mn88473 driver

 - several fixes related to printk continuation lines

 - add support for HSV encoding formats

 - lots of other cleanups, fixups and driver improvements.

* tag 'media/v4.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (496 commits)
  [media] v4l: tvp5150: Add missing break in set control handler
  [media] v4l: tvp5150: Don't inline the tvp5150_selmux() function
  [media] v4l: tvp5150: Compile tvp5150_link_setup out if !CONFIG_MEDIA_CONTROLLER
  [media] em28xx: don't store usb_device at struct em28xx
  [media] em28xx: use usb_interface for dev_foo() calls
  [media] em28xx: don't change the device's name
  [media] mn88472: fix chip id check on probe
  [media] mn88473: fix chip id check on probe
  [media] lirc: fix error paths in lirc_cdev_add()
  [media] s5p-mfc: Add support for MFC v8 available in Exynos 5433 SoCs
  [media] s5p-mfc: Rework clock handling
  [media] s5p-mfc: Don't keep clock prepared all the time
  [media] s5p-mfc: Kill all IS_ERR_OR_NULL in clocks management code
  [media] s5p-mfc: Remove dead conditional code
  [media] s5p-mfc: Ensure that clock is disabled before turning power off
  [media] s5p-mfc: Remove special clock rate management
  [media] s5p-mfc: Use printk_ratelimited for reporting ioctl errors
  [media] s5p-mfc: Set DMA_ATTR_ALLOC_SINGLE_PAGES
  [media] vivid: Set color_enc on HSV formats
  [media] v4l2-tpg: Init hv_enc field with a valid value
  ...

541 files changed, 24110 insertions, 8690 deletions

diff --git a/drivers/media/Kconfig b/drivers/media/Kconfig
index 7b8540291217..3512316e7a46 100644
--- a/drivers/media/Kconfig
+++ b/drivers/media/Kconfig
@@ -80,6 +80,22 @@ config MEDIA_RC_SUPPORT
 
 	  Say Y when you have a TV or an IR device.
 
+config MEDIA_CEC_SUPPORT
+	bool "HDMI CEC support"
+	select MEDIA_CEC_EDID
+	---help---
+	  Enable support for HDMI CEC (Consumer Electronics Control),
+	  which is an optional HDMI feature.
+
+	  Say Y when you have an HDMI receiver, transmitter or a USB CEC
+	  adapter that supports HDMI CEC.
+
+config MEDIA_CEC_DEBUG
+	bool "HDMI CEC debugfs interface"
+	depends on MEDIA_CEC_SUPPORT && DEBUG_FS
+	---help---
+	  Turns on the DebugFS interface for CEC devices.
+
 config MEDIA_CEC_EDID
 	bool
 
@@ -99,7 +115,7 @@ config MEDIA_CONTROLLER
 
 config MEDIA_CONTROLLER_DVB
 	bool "Enable Media controller for DVB (EXPERIMENTAL)"
-	depends on MEDIA_CONTROLLER
+	depends on MEDIA_CONTROLLER && DVB_CORE
 	---help---
 	  Enable the media controller API support for DVB.
 
diff --git a/drivers/media/Makefile b/drivers/media/Makefile
index 0deaa93efdee..d87ccb8eeabe 100644
--- a/drivers/media/Makefile
+++ b/drivers/media/Makefile
@@ -6,6 +6,10 @@ ifeq ($(CONFIG_MEDIA_CEC_EDID),y)
   obj-$(CONFIG_MEDIA_SUPPORT) += cec-edid.o
 endif
 
+ifeq ($(CONFIG_MEDIA_CEC_SUPPORT),y)
+  obj-$(CONFIG_MEDIA_SUPPORT) += cec/
+endif
+
 media-objs	:= media-device.o media-devnode.o media-entity.o
 
 #
diff --git a/drivers/media/cec/Makefile b/drivers/media/cec/Makefile
new file mode 100644
index 000000000000..d6686337275f
--- /dev/null
+++ b/drivers/media/cec/Makefile
@@ -0,0 +1,5 @@
+cec-objs := cec-core.o cec-adap.o cec-api.o
+
+ifeq ($(CONFIG_MEDIA_CEC_SUPPORT),y)
+  obj-$(CONFIG_MEDIA_SUPPORT) += cec.o
+endif
diff --git a/drivers/media/cec/cec-adap.c b/drivers/media/cec/cec-adap.c
new file mode 100644
index 000000000000..0ea4efb3de66
--- /dev/null
+++ b/drivers/media/cec/cec-adap.c
@@ -0,0 +1,1880 @@
+/*
+ * cec-adap.c - HDMI Consumer Electronics Control framework - CEC adapter
+ *
+ * Copyright 2016 Cisco Systems, Inc. and/or its affiliates. All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include <linux/errno.h>
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/kmod.h>
+#include <linux/ktime.h>
+#include <linux/slab.h>
+#include <linux/mm.h>
+#include <linux/string.h>
+#include <linux/types.h>
+
+#include "cec-priv.h"
+
+static int cec_report_features(struct cec_adapter *adap, unsigned int la_idx);
+static int cec_report_phys_addr(struct cec_adapter *adap, unsigned int la_idx);
+
+/*
+ * 400 ms is the time it takes for one 16 byte message to be
+ * transferred and 5 is the maximum number of retries. Add
+ * another 100 ms as a margin. So if the transmit doesn't
+ * finish before that time something is really wrong and we
+ * have to time out.
+ *
+ * This is a sign that something it really wrong and a warning
+ * will be issued.
+ */
+#define CEC_XFER_TIMEOUT_MS (5 * 400 + 100)
+
+#define call_op(adap, op, arg...) \
+	(adap->ops->op ? adap->ops->op(adap, ## arg) : 0)
+
+#define call_void_op(adap, op, arg...)			\
+	do {						\
+		if (adap->ops->op)			\
+			adap->ops->op(adap, ## arg);	\
+	} while (0)
+
+static int cec_log_addr2idx(const struct cec_adapter *adap, u8 log_addr)
+{
+	int i;
+
+	for (i = 0; i < adap->log_addrs.num_log_addrs; i++)
+		if (adap->log_addrs.log_addr[i] == log_addr)
+			return i;
+	return -1;
+}
+
+static unsigned int cec_log_addr2dev(const struct cec_adapter *adap, u8 log_addr)
+{
+	int i = cec_log_addr2idx(adap, log_addr);
+
+	return adap->log_addrs.primary_device_type[i < 0 ? 0 : i];
+}
+
+/*
+ * Queue a new event for this filehandle. If ts == 0, then set it
+ * to the current time.
+ *
+ * The two events that are currently defined do not need to keep track
+ * of intermediate events, so no actual queue of events is needed,
+ * instead just store the latest state and the total number of lost
+ * messages.
+ *
+ * Should new events be added in the future that require intermediate
+ * results to be queued as well, then a proper queue data structure is
+ * required. But until then, just keep it simple.
+ */
+void cec_queue_event_fh(struct cec_fh *fh,
+			const struct cec_event *new_ev, u64 ts)
+{
+	struct cec_event *ev = &fh->events[new_ev->event - 1];
+
+	if (ts == 0)
+		ts = ktime_get_ns();
+
+	mutex_lock(&fh->lock);
+	if (new_ev->event == CEC_EVENT_LOST_MSGS &&
+	    fh->pending_events & (1 << new_ev->event)) {
+		/*
+		 * If there is already a lost_msgs event, then just
+		 * update the lost_msgs count. This effectively
+		 * merges the old and new events into one.
+		 */
+		ev->lost_msgs.lost_msgs += new_ev->lost_msgs.lost_msgs;
+		goto unlock;
+	}
+
+	/*
+	 * Intermediate states are not interesting, so just
+	 * overwrite any older event.
+	 */
+	*ev = *new_ev;
+	ev->ts = ts;
+	fh->pending_events |= 1 << new_ev->event;
+
+unlock:
+	mutex_unlock(&fh->lock);
+	wake_up_interruptible(&fh->wait);
+}
+
+/* Queue a new event for all open filehandles. */
+static void cec_queue_event(struct cec_adapter *adap,
+			    const struct cec_event *ev)
+{
+	u64 ts = ktime_get_ns();
+	struct cec_fh *fh;
+
+	mutex_lock(&adap->devnode.lock);
+	list_for_each_entry(fh, &adap->devnode.fhs, list)
+		cec_queue_event_fh(fh, ev, ts);
+	mutex_unlock(&adap->devnode.lock);
+}
+
+/*
+ * Queue a new message for this filehandle. If there is no more room
+ * in the queue, then send the LOST_MSGS event instead.
+ */
+static void cec_queue_msg_fh(struct cec_fh *fh, const struct cec_msg *msg)
+{
+	static const struct cec_event ev_lost_msg = {
+		.ts = 0,
+		.event = CEC_EVENT_LOST_MSGS,
+		.flags = 0,
+		{
+			.lost_msgs.lost_msgs = 1,
+		},
+	};
+	struct cec_msg_entry *entry;
+
+	mutex_lock(&fh->lock);
+	entry = kmalloc(sizeof(*entry), GFP_KERNEL);
+	if (!entry)
+		goto lost_msgs;
+
+	entry->msg = *msg;
+	/* Add new msg at the end of the queue */
+	list_add_tail(&entry->list, &fh->msgs);
+
+	/*
+	 * if the queue now has more than CEC_MAX_MSG_RX_QUEUE_SZ
+	 * messages, drop the oldest one and send a lost message event.
+	 */
+	if (fh->queued_msgs == CEC_MAX_MSG_RX_QUEUE_SZ) {
+		list_del(&entry->list);
+		goto lost_msgs;
+	}
+	fh->queued_msgs++;
+	mutex_unlock(&fh->lock);
+	wake_up_interruptible(&fh->wait);
+	return;
+
+lost_msgs:
+	mutex_unlock(&fh->lock);
+	cec_queue_event_fh(fh, &ev_lost_msg, 0);
+}
+
+/*
+ * Queue the message for those filehandles that are in monitor mode.
+ * If valid_la is true (this message is for us or was sent by us),
+ * then pass it on to any monitoring filehandle. If this message
+ * isn't for us or from us, then only give it to filehandles that
+ * are in MONITOR_ALL mode.
+ *
+ * This can only happen if the CEC_CAP_MONITOR_ALL capability is
+ * set and the CEC adapter was placed in 'monitor all' mode.
+ */
+static void cec_queue_msg_monitor(struct cec_adapter *adap,
+				  const struct cec_msg *msg,
+				  bool valid_la)
+{
+	struct cec_fh *fh;
+	u32 monitor_mode = valid_la ? CEC_MODE_MONITOR :
+				      CEC_MODE_MONITOR_ALL;
+
+	mutex_lock(&adap->devnode.lock);
+	list_for_each_entry(fh, &adap->devnode.fhs, list) {
+		if (fh->mode_follower >= monitor_mode)
+			cec_queue_msg_fh(fh, msg);
+	}
+	mutex_unlock(&adap->devnode.lock);
+}
+
+/*
+ * Queue the message for follower filehandles.
+ */
+static void cec_queue_msg_followers(struct cec_adapter *adap,
+				    const struct cec_msg *msg)
+{
+	struct cec_fh *fh;
+
+	mutex_lock(&adap->devnode.lock);
+	list_for_each_entry(fh, &adap->devnode.fhs, list) {
+		if (fh->mode_follower == CEC_MODE_FOLLOWER)
+			cec_queue_msg_fh(fh, msg);
+	}
+	mutex_unlock(&adap->devnode.lock);
+}
+
+/* Notify userspace of an adapter state change. */
+static void cec_post_state_event(struct cec_adapter *adap)
+{
+	struct cec_event ev = {
+		.event = CEC_EVENT_STATE_CHANGE,
+	};
+
+	ev.state_change.phys_addr = adap->phys_addr;
+	ev.state_change.log_addr_mask = adap->log_addrs.log_addr_mask;
+	cec_queue_event(adap, &ev);
+}
+
+/*
+ * A CEC transmit (and a possible wait for reply) completed.
+ * If this was in blocking mode, then complete it, otherwise
+ * queue the message for userspace to dequeue later.
+ *
+ * This function is called with adap->lock held.
+ */
+static void cec_data_completed(struct cec_data *data)
+{
+	/*
+	 * Delete this transmit from the filehandle's xfer_list since
+	 * we're done with it.
+	 *
+	 * Note that if the filehandle is closed before this transmit
+	 * finished, then the release() function will set data->fh to NULL.
+	 * Without that we would be referring to a closed filehandle.
+	 */
+	if (data->fh)
+		list_del(&data->xfer_list);
+
+	if (data->blocking) {
+		/*
+		 * Someone is blocking so mark the message as completed
+		 * and call complete.
+		 */
+		data->completed = true;
+		complete(&data->c);
+	} else {
+		/*
+		 * No blocking, so just queue the message if needed and
+		 * free the memory.
+		 */
+		if (data->fh)
+			cec_queue_msg_fh(data->fh, &data->msg);
+		kfree(data);
+	}
+}
+
+/*
+ * A pending CEC transmit needs to be cancelled, either because the CEC
+ * adapter is disabled or the transmit takes an impossibly long time to
+ * finish.
+ *
+ * This function is called with adap->lock held.
+ */
+static void cec_data_cancel(struct cec_data *data)
+{
+	/*
+	 * It's either the current transmit, or it is a pending
+	 * transmit. Take the appropriate action to clear it.
+	 */
+	if (data->adap->transmitting == data) {
+		data->adap->transmitting = NULL;
+	} else {
+		list_del_init(&data->list);
+		if (!(data->msg.tx_status & CEC_TX_STATUS_OK))
+			data->adap->transmit_queue_sz--;
+	}
+
+	/* Mark it as an error */
+	data->msg.tx_ts = ktime_get_ns();
+	data->msg.tx_status = CEC_TX_STATUS_ERROR |
+			      CEC_TX_STATUS_MAX_RETRIES;
+	data->attempts = 0;
+	data->msg.tx_error_cnt = 1;
+	/* Queue transmitted message for monitoring purposes */
+	cec_queue_msg_monitor(data->adap, &data->msg, 1);
+
+	cec_data_completed(data);
+}
+
+/*
+ * Main CEC state machine
+ *
+ * Wait until the thread should be stopped, or we are not transmitting and
+ * a new transmit message is queued up, in which case we start transmitting
+ * that message. When the adapter finished transmitting the message it will
+ * call cec_transmit_done().
+ *
+ * If the adapter is disabled, then remove all queued messages instead.
+ *
+ * If the current transmit times out, then cancel that transmit.
+ */
+int cec_thread_func(void *_adap)
+{
+	struct cec_adapter *adap = _adap;
+
+	for (;;) {
+		unsigned int signal_free_time;
+		struct cec_data *data;
+		bool timeout = false;
+		u8 attempts;
+
+		if (adap->transmitting) {
+			int err;
+
+			/*
+			 * We are transmitting a message, so add a timeout
+			 * to prevent the state machine to get stuck waiting
+			 * for this message to finalize and add a check to
+			 * see if the adapter is disabled in which case the
+			 * transmit should be canceled.
+			 */
+			err = wait_event_interruptible_timeout(adap->kthread_waitq,
+				kthread_should_stop() ||
+				(!adap->is_configured && !adap->is_configuring) ||
+				(!adap->transmitting &&
+				 !list_empty(&adap->transmit_queue)),
+				msecs_to_jiffies(CEC_XFER_TIMEOUT_MS));
+			timeout = err == 0;
+		} else {
+			/* Otherwise we just wait for something to happen. */
+			wait_event_interruptible(adap->kthread_waitq,
+				kthread_should_stop() ||
+				(!adap->transmitting &&
+				 !list_empty(&adap->transmit_queue)));
+		}
+
+		mutex_lock(&adap->lock);
+
+		if ((!adap->is_configured && !adap->is_configuring) ||
+		    kthread_should_stop()) {
+			/*
+			 * If the adapter is disabled, or we're asked to stop,
+			 * then cancel any pending transmits.
+			 */
+			while (!list_empty(&adap->transmit_queue)) {
+				data = list_first_entry(&adap->transmit_queue,
+							struct cec_data, list);
+				cec_data_cancel(data);
+			}
+			if (adap->transmitting)
+				cec_data_cancel(adap->transmitting);
+
+			/*
+			 * Cancel the pending timeout work. We have to unlock
+			 * the mutex when flushing the work since
+			 * cec_wait_timeout() will take it. This is OK since
+			 * no new entries can be added to wait_queue as long
+			 * as adap->transmitting is NULL, which it is due to
+			 * the cec_data_cancel() above.
+			 */
+			while (!list_empty(&adap->wait_queue)) {
+				data = list_first_entry(&adap->wait_queue,
+							struct cec_data, list);
+
+				if (!cancel_delayed_work(&data->work)) {
+					mutex_unlock(&adap->lock);
+					flush_scheduled_work();
+					mutex_lock(&adap->lock);
+				}
+				cec_data_cancel(data);
+			}
+			goto unlock;
+		}
+
+		if (adap->transmitting && timeout) {
+			/*
+			 * If we timeout, then log that. This really shouldn't
+			 * happen and is an indication of a faulty CEC adapter
+			 * driver, or the CEC bus is in some weird state.
+			 */
+			dprintk(0, "message %*ph timed out!\n",
+				adap->transmitting->msg.len,
+				adap->transmitting->msg.msg);
+			/* Just give up on this. */
+			cec_data_cancel(adap->transmitting);
+			goto unlock;
+		}
+
+		/*
+		 * If we are still transmitting, or there is nothing new to
+		 * transmit, then just continue waiting.
+		 */
+		if (adap->transmitting || list_empty(&adap->transmit_queue))
+			goto unlock;
+
+		/* Get a new message to transmit */
+		data = list_first_entry(&adap->transmit_queue,
+					struct cec_data, list);
+		list_del_init(&data->list);
+		adap->transmit_queue_sz--;
+		/* Make this the current transmitting message */
+		adap->transmitting = data;
+
+		/*
+		 * Suggested number of attempts as per the CEC 2.0 spec:
+		 * 4 attempts is the default, except for 'secondary poll
+		 * messages', i.e. poll messages not sent during the adapter
+		 * configuration phase when it allocates logical addresses.
+		 */
+		if (data->msg.len == 1 && adap->is_configured)
+			attempts = 2;
+		else
+			attempts = 4;
+
+		/* Set the suggested signal free time */
+		if (data->attempts) {
+			/* should be >= 3 data bit periods for a retry */
+			signal_free_time = CEC_SIGNAL_FREE_TIME_RETRY;
+		} else if (data->new_initiator) {
+			/* should be >= 5 data bit periods for new initiator */
+			signal_free_time = CEC_SIGNAL_FREE_TIME_NEW_INITIATOR;
+		} else {
+			/*
+			 * should be >= 7 data bit periods for sending another
+			 * frame immediately after another.
+			 */
+			signal_free_time = CEC_SIGNAL_FREE_TIME_NEXT_XFER;
+		}
+		if (data->attempts == 0)
+			data->attempts = attempts;
+
+		/* Tell the adapter to transmit, cancel on error */
+		if (adap->ops->adap_transmit(adap, data->attempts,
+					     signal_free_time, &data->msg))
+			cec_data_cancel(data);
+
+unlock:
+		mutex_unlock(&adap->lock);
+
+		if (kthread_should_stop())
+			break;
+	}
+	return 0;
+}
+
+/*
+ * Called by the CEC adapter if a transmit finished.
+ */
+void cec_transmit_done(struct cec_adapter *adap, u8 status, u8 arb_lost_cnt,
+		       u8 nack_cnt, u8 low_drive_cnt, u8 error_cnt)
+{
+	struct cec_data *data;
+	struct cec_msg *msg;
+	u64 ts = ktime_get_ns();
+
+	dprintk(2, "cec_transmit_done %02x\n", status);
+	mutex_lock(&adap->lock);
+	data = adap->transmitting;
+	if (!data) {
+		/*
+		 * This can happen if a transmit was issued and the cable is
+		 * unplugged while the transmit is ongoing. Ignore this
+		 * transmit in that case.
+		 */
+		dprintk(1, "cec_transmit_done without an ongoing transmit!\n");
+		goto unlock;
+	}
+
+	msg = &data->msg;
+
+	/* Drivers must fill in the status! */
+	WARN_ON(status == 0);
+	msg->tx_ts = ts;
+	msg->tx_status |= status;
+	msg->tx_arb_lost_cnt += arb_lost_cnt;
+	msg->tx_nack_cnt += nack_cnt;
+	msg->tx_low_drive_cnt += low_drive_cnt;
+	msg->tx_error_cnt += error_cnt;
+
+	/* Mark that we're done with this transmit */
+	adap->transmitting = NULL;
+
+	/*
+	 * If there are still retry attempts left and there was an error and
+	 * the hardware didn't signal that it retried itself (by setting
+	 * CEC_TX_STATUS_MAX_RETRIES), then we will retry ourselves.
+	 */
+	if (data->attempts > 1 &&
+	    !(status & (CEC_TX_STATUS_MAX_RETRIES | CEC_TX_STATUS_OK))) {
+		/* Retry this message */
+		data->attempts--;
+		/* Add the message in front of the transmit queue */
+		list_add(&data->list, &adap->transmit_queue);
+		adap->transmit_queue_sz++;
+		goto wake_thread;
+	}
+
+	data->attempts = 0;
+
+	/* Always set CEC_TX_STATUS_MAX_RETRIES on error */
+	if (!(status & CEC_TX_STATUS_OK))
+		msg->tx_status |= CEC_TX_STATUS_MAX_RETRIES;
+
+	/* Queue transmitted message for monitoring purposes */
+	cec_queue_msg_monitor(adap, msg, 1);
+
+	if ((status & CEC_TX_STATUS_OK) && adap->is_configured &&
+	    msg->timeout) {
+		/*
+		 * Queue the message into the wait queue if we want to wait
+		 * for a reply.
+		 */
+		list_add_tail(&data->list, &adap->wait_queue);
+		schedule_delayed_work(&data->work,
+				      msecs_to_jiffies(msg->timeout));
+	} else {
+		/* Otherwise we're done */
+		cec_data_completed(data);
+	}
+
+wake_thread:
+	/*
+	 * Wake up the main thread to see if another message is ready
+	 * for transmitting or to retry the current message.
+	 */
+	wake_up_interruptible(&adap->kthread_waitq);
+unlock:
+	mutex_unlock(&adap->lock);
+}
+EXPORT_SYMBOL_GPL(cec_transmit_done);
+
+/*
+ * Called when waiting for a reply times out.
+ */
+static void cec_wait_timeout(struct work_struct *work)
+{
+	struct cec_data *data = container_of(work, struct cec_data, work.work);
+	struct cec_adapter *adap = data->adap;
+
+	mutex_lock(&adap->lock);
+	/*
+	 * Sanity check in case the timeout and the arrival of the message
+	 * happened at the same time.
+	 */
+	if (list_empty(&data->list))
+		goto unlock;
+
+	/* Mark the message as timed out */
+	list_del_init(&data->list);
+	data->msg.rx_ts = ktime_get_ns();
+	data->msg.rx_status = CEC_RX_STATUS_TIMEOUT;
+	cec_data_completed(data);
+unlock:
+	mutex_unlock(&adap->lock);
+}
+
+/*
+ * Transmit a message. The fh argument may be NULL if the transmit is not
+ * associated with a specific filehandle.
+ *
+ * This function is called with adap->lock held.
+ */
+int cec_transmit_msg_fh(struct cec_adapter *adap, struct cec_msg *msg,
+			struct cec_fh *fh, bool block)
+{
+	struct cec_data *data;
+	u8 last_initiator = 0xff;
+	unsigned int timeout;
+	int res = 0;
+
+	msg->rx_ts = 0;
+	msg->tx_ts = 0;
+	msg->rx_status = 0;
+	msg->tx_status = 0;
+	msg->tx_arb_lost_cnt = 0;
+	msg->tx_nack_cnt = 0;
+	msg->tx_low_drive_cnt = 0;
+	msg->tx_error_cnt = 0;
+	msg->sequence = ++adap->sequence;
+	if (!msg->sequence)
+		msg->sequence = ++adap->sequence;
+
+	if (msg->reply && msg->timeout == 0) {
+		/* Make sure the timeout isn't 0. */
+		msg->timeout = 1000;
+	}
+	if (msg->timeout)
+		msg->flags &= CEC_MSG_FL_REPLY_TO_FOLLOWERS;
+	else
+		msg->flags = 0;
+
+	/* Sanity checks */
+	if (msg->len == 0 || msg->len > CEC_MAX_MSG_SIZE) {
+		dprintk(1, "cec_transmit_msg: invalid length %d\n", msg->len);
+		return -EINVAL;
+	}
+	if (msg->timeout && msg->len == 1) {
+		dprintk(1, "cec_transmit_msg: can't reply for poll msg\n");
+		return -EINVAL;
+	}
+	memset(msg->msg + msg->len, 0, sizeof(msg->msg) - msg->len);
+	if (msg->len == 1) {
+		if (cec_msg_initiator(msg) != 0xf ||
+		    cec_msg_destination(msg) == 0xf) {
+			dprintk(1, "cec_transmit_msg: invalid poll message\n");
+			return -EINVAL;
+		}
+		if (cec_has_log_addr(adap, cec_msg_destination(msg))) {
+			/*
+			 * If the destination is a logical address our adapter
+			 * has already claimed, then just NACK this.
+			 * It depends on the hardware what it will do with a
+			 * POLL to itself (some OK this), so it is just as
+			 * easy to handle it here so the behavior will be
+			 * consistent.
+			 */
+			msg->tx_ts = ktime_get_ns();
+			msg->tx_status = CEC_TX_STATUS_NACK |
+					 CEC_TX_STATUS_MAX_RETRIES;
+			msg->tx_nack_cnt = 1;
+			return 0;
+		}
+	}
+	if (msg->len > 1 && !cec_msg_is_broadcast(msg) &&
+	    cec_has_log_addr(adap, cec_msg_destination(msg))) {
+		dprintk(1, "cec_transmit_msg: destination is the adapter itself\n");
+		return -EINVAL;
+	}
+	if (cec_msg_initiator(msg) != 0xf &&
+	    !cec_has_log_addr(adap, cec_msg_initiator(msg))) {
+		dprintk(1, "cec_transmit_msg: initiator has unknown logical address %d\n",
+			cec_msg_initiator(msg));
+		return -EINVAL;
+	}
+	if (!adap->is_configured && !adap->is_configuring)
+		return -ENONET;
+
+	if (adap->transmit_queue_sz >= CEC_MAX_MSG_TX_QUEUE_SZ)
+		return -EBUSY;
+
+	data = kzalloc(sizeof(*data), GFP_KERNEL);
+	if (!data)
+		return -ENOMEM;
+
+	if (msg->len > 1 && msg->msg[1] == CEC_MSG_CDC_MESSAGE) {
+		msg->msg[2] = adap->phys_addr >> 8;
+		msg->msg[3] = adap->phys_addr & 0xff;
+	}
+
+	if (msg->timeout)
+		dprintk(2, "cec_transmit_msg: %*ph (wait for 0x%02x%s)\n",
+			msg->len, msg->msg, msg->reply, !block ? ", nb" : "");
+	else
+		dprintk(2, "cec_transmit_msg: %*ph%s\n",
+			msg->len, msg->msg, !block ? " (nb)" : "");
+
+	data->msg = *msg;
+	data->fh = fh;
+	data->adap = adap;
+	data->blocking = block;
+
+	/*
+	 * Determine if this message follows a message from the same
+	 * initiator. Needed to determine the free signal time later on.
+	 */
+	if (msg->len > 1) {
+		if (!(list_empty(&adap->transmit_queue))) {
+			const struct cec_data *last;
+
+			last = list_last_entry(&adap->transmit_queue,
+					       const struct cec_data, list);
+			last_initiator = cec_msg_initiator(&last->msg);
+		} else if (adap->transmitting) {
+			last_initiator =
+				cec_msg_initiator(&adap->transmitting->msg);
+		}
+	}
+	data->new_initiator = last_initiator != cec_msg_initiator(msg);
+	init_completion(&data->c);
+	INIT_DELAYED_WORK(&data->work, cec_wait_timeout);
+
+	if (fh)
+		list_add_tail(&data->xfer_list, &fh->xfer_list);
+	list_add_tail(&data->list, &adap->transmit_queue);
+	adap->transmit_queue_sz++;
+	if (!adap->transmitting)
+		wake_up_interruptible(&adap->kthread_waitq);
+
+	/* All done if we don't need to block waiting for completion */
+	if (!block)
+		return 0;
+
+	/*
+	 * If we don't get a completion before this time something is really
+	 * wrong and we time out.
+	 */
+	timeout = CEC_XFER_TIMEOUT_MS;
+	/* Add the requested timeout if we have to wait for a reply as well */
+	if (msg->timeout)
+		timeout += msg->timeout;
+
+	/*
+	 * Release the lock and wait, retake the lock afterwards.
+	 */
+	mutex_unlock(&adap->lock);
+	res = wait_for_completion_killable_timeout(&data->c,
+						   msecs_to_jiffies(timeout));
+	mutex_lock(&adap->lock);
+
+	if (data->completed) {
+		/* The transmit completed (possibly with an error) */
+		*msg = data->msg;
+		kfree(data);
+		return 0;
+	}
+	/*
+	 * The wait for completion timed out or was interrupted, so mark this
+	 * as non-blocking and disconnect from the filehandle since it is
+	 * still 'in flight'. When it finally completes it will just drop the
+	 * result silently.
+	 */
+	data->blocking = false;
+	if (data->fh)
+		list_del(&data->xfer_list);
+	data->fh = NULL;
+
+	if (res == 0) { /* timed out */
+		/* Check if the reply or the transmit failed */
+		if (msg->timeout && (msg->tx_status & CEC_TX_STATUS_OK))
+			msg->rx_status = CEC_RX_STATUS_TIMEOUT;
+		else
+			msg->tx_status = CEC_TX_STATUS_MAX_RETRIES;
+	}
+	return res > 0 ? 0 : res;
+}
+
+/* Helper function to be used by drivers and this framework. */
+int cec_transmit_msg(struct cec_adapter *adap, struct cec_msg *msg,
+		     bool block)
+{
+	int ret;
+
+	mutex_lock(&adap->lock);
+	ret = cec_transmit_msg_fh(adap, msg, NULL, block);
+	mutex_unlock(&adap->lock);
+	return ret;
+}
+EXPORT_SYMBOL_GPL(cec_transmit_msg);
+
+/*
+ * I don't like forward references but without this the low-level
+ * cec_received_msg() function would come after a bunch of high-level
+ * CEC protocol handling functions. That was very confusing.
+ */
+static int cec_receive_notify(struct cec_adapter *adap, struct cec_msg *msg,
+			      bool is_reply);
+
+#define DIRECTED	0x80
+#define BCAST1_4	0x40
+#define BCAST2_0	0x20	/* broadcast only allowed for >= 2.0 */
+#define BCAST		(BCAST1_4 | BCAST2_0)
+#define BOTH		(BCAST | DIRECTED)
+
+/*
+ * Specify minimum length and whether the message is directed, broadcast
+ * or both. Messages that do not match the criteria are ignored as per
+ * the CEC specification.
+ */
+static const u8 cec_msg_size[256] = {
+	[CEC_MSG_ACTIVE_SOURCE] = 4 | BCAST,
+	[CEC_MSG_IMAGE_VIEW_ON] = 2 | DIRECTED,
+	[CEC_MSG_TEXT_VIEW_ON] = 2 | DIRECTED,
+	[CEC_MSG_INACTIVE_SOURCE] = 4 | DIRECTED,
+	[CEC_MSG_REQUEST_ACTIVE_SOURCE] = 2 | BCAST,
+	[CEC_MSG_ROUTING_CHANGE] = 6 | BCAST,
+	[CEC_MSG_ROUTING_INFORMATION] = 4 | BCAST,
+	[CEC_MSG_SET_STREAM_PATH] = 4 | BCAST,
+	[CEC_MSG_STANDBY] = 2 | BOTH,
+	[CEC_MSG_RECORD_OFF] = 2 | DIRECTED,
+	[CEC_MSG_RECORD_ON] = 3 | DIRECTED,
+	[CEC_MSG_RECORD_STATUS] = 3 | DIRECTED,
+	[CEC_MSG_RECORD_TV_SCREEN] = 2 | DIRECTED,
+	[CEC_MSG_CLEAR_ANALOGUE_TIMER] = 13 | DIRECTED,
+	[CEC_MSG_CLEAR_DIGITAL_TIMER] = 16 | DIRECTED,
+	[CEC_MSG_CLEAR_EXT_TIMER] = 13 | DIRECTED,
+	[CEC_MSG_SET_ANALOGUE_TIMER] = 13 | DIRECTED,
+	[CEC_MSG_SET_DIGITAL_TIMER] = 16 | DIRECTED,
+	[CEC_MSG_SET_EXT_TIMER] = 13 | DIRECTED,
+	[CEC_MSG_SET_TIMER_PROGRAM_TITLE] = 2 | DIRECTED,
+	[CEC_MSG_TIMER_CLEARED_STATUS] = 3 | DIRECTED,
+	[CEC_MSG_TIMER_STATUS] = 3 | DIRECTED,
+	[CEC_MSG_CEC_VERSION] = 3 | DIRECTED,
+	[CEC_MSG_GET_CEC_VERSION] = 2 | DIRECTED,
+	[CEC_MSG_GIVE_PHYSICAL_ADDR] = 2 | DIRECTED,
+	[CEC_MSG_GET_MENU_LANGUAGE] = 2 | DIRECTED,
+	[CEC_MSG_REPORT_PHYSICAL_ADDR] = 5 | BCAST,
+	[CEC_MSG_SET_MENU_LANGUAGE] = 5 | BCAST,
+	[CEC_MSG_REPORT_FEATURES] = 6 | BCAST,
+	[CEC_MSG_GIVE_FEATURES] = 2 | DIRECTED,
+	[CEC_MSG_DECK_CONTROL] = 3 | DIRECTED,
+	[CEC_MSG_DECK_STATUS] = 3 | DIRECTED,
+	[CEC_MSG_GIVE_DECK_STATUS] = 3 | DIRECTED,
+	[CEC_MSG_PLAY] = 3 | DIRECTED,
+	[CEC_MSG_GIVE_TUNER_DEVICE_STATUS] = 3 | DIRECTED,
+	[CEC_MSG_SELECT_ANALOGUE_SERVICE] = 6 | DIRECTED,
+	[CEC_MSG_SELECT_DIGITAL_SERVICE] = 9 | DIRECTED,
+	[CEC_MSG_TUNER_DEVICE_STATUS] = 7 | DIRECTED,
+	[CEC_MSG_TUNER_STEP_DECREMENT] = 2 | DIRECTED,
+	[CEC_MSG_TUNER_STEP_INCREMENT] = 2 | DIRECTED,
+	[CEC_MSG_DEVICE_VENDOR_ID] = 5 | BCAST,
+	[CEC_MSG_GIVE_DEVICE_VENDOR_ID] = 2 | DIRECTED,
+	[CEC_MSG_VENDOR_COMMAND] = 2 | DIRECTED,
+	[CEC_MSG_VENDOR_COMMAND_WITH_ID] = 5 | BOTH,
+	[CEC_MSG_VENDOR_REMOTE_BUTTON_DOWN] = 2 | BOTH,
+	[CEC_MSG_VENDOR_REMOTE_BUTTON_UP] = 2 | BOTH,
+	[CEC_MSG_SET_OSD_STRING] = 3 | DIRECTED,
+	[CEC_MSG_GIVE_OSD_NAME] = 2 | DIRECTED,
+	[CEC_MSG_SET_OSD_NAME] = 2 | DIRECTED,
+	[CEC_MSG_MENU_REQUEST] = 3 | DIRECTED,
+	[CEC_MSG_MENU_STATUS] = 3 | DIRECTED,
+	[CEC_MSG_USER_CONTROL_PRESSED] = 3 | DIRECTED,
+	[CEC_MSG_USER_CONTROL_RELEASED] = 2 | DIRECTED,
+	[CEC_MSG_GIVE_DEVICE_POWER_STATUS] = 2 | DIRECTED,
+	[CEC_MSG_REPORT_POWER_STATUS] = 3 | DIRECTED | BCAST2_0,
+	[CEC_MSG_FEATURE_ABORT] = 4 | DIRECTED,
+	[CEC_MSG_ABORT] = 2 | DIRECTED,
+	[CEC_MSG_GIVE_AUDIO_STATUS] = 2 | DIRECTED,
+	[CEC_MSG_GIVE_SYSTEM_AUDIO_MODE_STATUS] = 2 | DIRECTED,
+	[CEC_MSG_REPORT_AUDIO_STATUS] = 3 | DIRECTED,
+	[CEC_MSG_REPORT_SHORT_AUDIO_DESCRIPTOR] = 2 | DIRECTED,
+	[CEC_MSG_REQUEST_SHORT_AUDIO_DESCRIPTOR] = 2 | DIRECTED,
+	[CEC_MSG_SET_SYSTEM_AUDIO_MODE] = 3 | BOTH,
+	[CEC_MSG_SYSTEM_AUDIO_MODE_REQUEST] = 2 | DIRECTED,
+	[CEC_MSG_SYSTEM_AUDIO_MODE_STATUS] = 3 | DIRECTED,
+	[CEC_MSG_SET_AUDIO_RATE] = 3 | DIRECTED,
+	[CEC_MSG_INITIATE_ARC] = 2 | DIRECTED,
+	[CEC_MSG_REPORT_ARC_INITIATED] = 2 | DIRECTED,
+	[CEC_MSG_REPORT_ARC_TERMINATED] = 2 | DIRECTED,
+	[CEC_MSG_REQUEST_ARC_INITIATION] = 2 | DIRECTED,
+	[CEC_MSG_REQUEST_ARC_TERMINATION] = 2 | DIRECTED,
+	[CEC_MSG_TERMINATE_ARC] = 2 | DIRECTED,
+	[CEC_MSG_REQUEST_CURRENT_LATENCY] = 4 | BCAST,
+	[CEC_MSG_REPORT_CURRENT_LATENCY] = 7 | BCAST,
+	[CEC_MSG_CDC_MESSAGE] = 2 | BCAST,
+};
+
+/* Called by the CEC adapter if a message is received */
+void cec_received_msg(struct cec_adapter *adap, struct cec_msg *msg)
+{
+	struct cec_data *data;
+	u8 msg_init = cec_msg_initiator(msg);
+	u8 msg_dest = cec_msg_destination(msg);
+	u8 cmd = msg->msg[1];
+	bool is_reply = false;
+	bool valid_la = true;
+	u8 min_len = 0;
+
+	if (WARN_ON(!msg->len || msg->len > CEC_MAX_MSG_SIZE))
+		return;
+
+	/*
+	 * Some CEC adapters will receive the messages that they transmitted.
+	 * This test filters out those messages by checking if we are the
+	 * initiator, and just returning in that case.
+	 *
+	 * Note that this won't work if this is an Unregistered device.
+	 *
+	 * It is bad practice if the hardware receives the message that it
+	 * transmitted and luckily most CEC adapters behave correctly in this
+	 * respect.
+	 */
+	if (msg_init != CEC_LOG_ADDR_UNREGISTERED &&
+	    cec_has_log_addr(adap, msg_init))
+		return;
+
+	msg->rx_ts = ktime_get_ns();
+	msg->rx_status = CEC_RX_STATUS_OK;
+	msg->sequence = msg->reply = msg->timeout = 0;
+	msg->tx_status = 0;
+	msg->tx_ts = 0;
+	msg->tx_arb_lost_cnt = 0;
+	msg->tx_nack_cnt = 0;
+	msg->tx_low_drive_cnt = 0;
+	msg->tx_error_cnt = 0;
+	msg->flags = 0;
+	memset(msg->msg + msg->len, 0, sizeof(msg->msg) - msg->len);
+
+	mutex_lock(&adap->lock);
+	dprintk(2, "cec_received_msg: %*ph\n", msg->len, msg->msg);
+
+	/* Check if this message was for us (directed or broadcast). */
+	if (!cec_msg_is_broadcast(msg))
+		valid_la = cec_has_log_addr(adap, msg_dest);
+
+	/*
+	 * Check if the length is not too short or if the message is a
+	 * broadcast message where a directed message was expected or
+	 * vice versa. If so, then the message has to be ignored (according
+	 * to section CEC 7.3 and CEC 12.2).
+	 */
+	if (valid_la && msg->len > 1 && cec_msg_size[cmd]) {
+		u8 dir_fl = cec_msg_size[cmd] & BOTH;
+
+		min_len = cec_msg_size[cmd] & 0x1f;
+		if (msg->len < min_len)
+			valid_la = false;
+		else if (!cec_msg_is_broadcast(msg) && !(dir_fl & DIRECTED))
+			valid_la = false;
+		else if (cec_msg_is_broadcast(msg) && !(dir_fl & BCAST1_4))
+			valid_la = false;
+		else if (cec_msg_is_broadcast(msg) &&
+			 adap->log_addrs.cec_version >= CEC_OP_CEC_VERSION_2_0 &&
+			 !(dir_fl & BCAST2_0))
+			valid_la = false;
+	}
+	if (valid_la && min_len) {
+		/* These messages have special length requirements */
+		switch (cmd) {
+		case CEC_MSG_TIMER_STATUS:
+			if (msg->msg[2] & 0x10) {
+				switch (msg->msg[2] & 0xf) {
+				case CEC_OP_PROG_INFO_NOT_ENOUGH_SPACE:
+				case CEC_OP_PROG_INFO_MIGHT_NOT_BE_ENOUGH_SPACE:
+					if (msg->len < 5)
+						valid_la = false;
+					break;
+				}
+			} else if ((msg->msg[2] & 0xf) == CEC_OP_PROG_ERROR_DUPLICATE) {
+				if (msg->len < 5)
+					valid_la = false;
+			}
+			break;
+		case CEC_MSG_RECORD_ON:
+			switch (msg->msg[2]) {
+			case CEC_OP_RECORD_SRC_OWN:
+				break;
+			case CEC_OP_RECORD_SRC_DIGITAL:
+				if (msg->len < 10)
+					valid_la = false;
+				break;
+			case CEC_OP_RECORD_SRC_ANALOG:
+				if (msg->len < 7)
+					valid_la = false;
+				break;
+			case CEC_OP_RECORD_SRC_EXT_PLUG:
+				if (msg->len < 4)
+					valid_la = false;
+				break;
+			case CEC_OP_RECORD_SRC_EXT_PHYS_ADDR:
+				if (msg->len < 5)
+					valid_la = false;
+				break;
+			}
+			break;
+		}
+	}
+
+	/* It's a valid message and not a poll or CDC message */
+	if (valid_la && msg->len > 1 && cmd != CEC_MSG_CDC_MESSAGE) {
+		bool abort = cmd == CEC_MSG_FEATURE_ABORT;
+
+		/* The aborted command is in msg[2] */
+		if (abort)
+			cmd = msg->msg[2];
+
+		/*
+		 * Walk over all transmitted messages that are waiting for a
+		 * reply.
+		 */
+		list_for_each_entry(data, &adap->wait_queue, list) {
+			struct cec_msg *dst = &data->msg;
+
+			/*
+			 * The *only* CEC message that has two possible replies
+			 * is CEC_MSG_INITIATE_ARC.
+			 * In this case allow either of the two replies.
+			 */
+			if (!abort && dst->msg[1] == CEC_MSG_INITIATE_ARC &&
+			    (cmd == CEC_MSG_REPORT_ARC_INITIATED ||
+			     cmd == CEC_MSG_REPORT_ARC_TERMINATED) &&
+			    (dst->reply == CEC_MSG_REPORT_ARC_INITIATED ||
+			     dst->reply == CEC_MSG_REPORT_ARC_TERMINATED))
+				dst->reply = cmd;
+
+			/* Does the command match? */
+			if ((abort && cmd != dst->msg[1]) ||
+			    (!abort && cmd != dst->reply))
+				continue;
+
+			/* Does the addressing match? */
+			if (msg_init != cec_msg_destination(dst) &&
+			    !cec_msg_is_broadcast(dst))
+				continue;
+
+			/* We got a reply */
+			memcpy(dst->msg, msg->msg, msg->len);
+			dst->len = msg->len;
+			dst->rx_ts = msg->rx_ts;
+			dst->rx_status = msg->rx_status;
+			if (abort)
+				dst->rx_status |= CEC_RX_STATUS_FEATURE_ABORT;
+			msg->flags = dst->flags;
+			/* Remove it from the wait_queue */
+			list_del_init(&data->list);
+
+			/* Cancel the pending timeout work */
+			if (!cancel_delayed_work(&data->work)) {
+				mutex_unlock(&adap->lock);
+				flush_scheduled_work();
+				mutex_lock(&adap->lock);
+			}
+			/*
+			 * Mark this as a reply, provided someone is still
+			 * waiting for the answer.
+			 */
+			if (data->fh)
+				is_reply = true;
+			cec_data_completed(data);
+			break;
+		}
+	}
+	mutex_unlock(&adap->lock);
+
+	/* Pass the message on to any monitoring filehandles */
+	cec_queue_msg_monitor(adap, msg, valid_la);
+
+	/* We're done if it is not for us or a poll message */
+	if (!valid_la || msg->len <= 1)
+		return;
+
+	if (adap->log_addrs.log_addr_mask == 0)
+		return;
+
+	/*
+	 * Process the message on the protocol level. If is_reply is true,
+	 * then cec_receive_notify() won't pass on the reply to the listener(s)
+	 * since that was already done by cec_data_completed() above.
+	 */
+	cec_receive_notify(adap, msg, is_reply);
+}
+EXPORT_SYMBOL_GPL(cec_received_msg);
+
+/* Logical Address Handling */
+
+/*
+ * Attempt to claim a specific logical address.
+ *
+ * This function is called with adap->lock held.
+ */
+static int cec_config_log_addr(struct cec_adapter *adap,
+			       unsigned int idx,
+			       unsigned int log_addr)
+{
+	struct cec_log_addrs *las = &adap->log_addrs;
+	struct cec_msg msg = { };
+	int err;
+
+	if (cec_has_log_addr(adap, log_addr))
+		return 0;
+
+	/* Send poll message */
+	msg.len = 1;
+	msg.msg[0] = 0xf0 | log_addr;
+	err = cec_transmit_msg_fh(adap, &msg, NULL, true);
+
+	/*
+	 * While trying to poll the physical address was reset
+	 * and the adapter was unconfigured, so bail out.
+	 */
+	if (!adap->is_configuring)
+		return -EINTR;
+
+	if (err)
+		return err;
+
+	if (msg.tx_status & CEC_TX_STATUS_OK)
+		return 0;
+
+	/*
+	 * Message not acknowledged, so this logical
+	 * address is free to use.
+	 */
+	err = adap->ops->adap_log_addr(adap, log_addr);
+	if (err)
+		return err;
+
+	las->log_addr[idx] = log_addr;
+	las->log_addr_mask |= 1 << log_addr;
+	adap->phys_addrs[log_addr] = adap->phys_addr;
+
+	dprintk(2, "claimed addr %d (%d)\n", log_addr,
+		las->primary_device_type[idx]);
+	return 1;
+}
+
+/*
+ * Unconfigure the adapter: clear all logical addresses and send
+ * the state changed event.
+ *
+ * This function is called with adap->lock held.
+ */
+static void cec_adap_unconfigure(struct cec_adapter *adap)
+{
+	WARN_ON(adap->ops->adap_log_addr(adap, CEC_LOG_ADDR_INVALID));
+	adap->log_addrs.log_addr_mask = 0;
+	adap->is_configuring = false;
+	adap->is_configured = false;
+	memset(adap->phys_addrs, 0xff, sizeof(adap->phys_addrs));
+	wake_up_interruptible(&adap->kthread_waitq);
+	cec_post_state_event(adap);
+}
+
+/*
+ * Attempt to claim the required logical addresses.
+ */
+static int cec_config_thread_func(void *arg)
+{
+	/* The various LAs for each type of device */
+	static const u8 tv_log_addrs[] = {
+		CEC_LOG_ADDR_TV, CEC_LOG_ADDR_SPECIFIC,
+		CEC_LOG_ADDR_INVALID
+	};
+	static const u8 record_log_addrs[] = {
+		CEC_LOG_ADDR_RECORD_1, CEC_LOG_ADDR_RECORD_2,
+		CEC_LOG_ADDR_RECORD_3,
+		CEC_LOG_ADDR_BACKUP_1, CEC_LOG_ADDR_BACKUP_2,
+		CEC_LOG_ADDR_INVALID
+	};
+	static const u8 tuner_log_addrs[] = {
+		CEC_LOG_ADDR_TUNER_1, CEC_LOG_ADDR_TUNER_2,
+		CEC_LOG_ADDR_TUNER_3, CEC_LOG_ADDR_TUNER_4,
+		CEC_LOG_ADDR_BACKUP_1, CEC_LOG_ADDR_BACKUP_2,
+		CEC_LOG_ADDR_INVALID
+	};
+	static const u8 playback_log_addrs[] = {
+		CEC_LOG_ADDR_PLAYBACK_1, CEC_LOG_ADDR_PLAYBACK_2,
+		CEC_LOG_ADDR_PLAYBACK_3,
+		CEC_LOG_ADDR_BACKUP_1, CEC_LOG_ADDR_BACKUP_2,
+		CEC_LOG_ADDR_INVALID
+	};
+	static const u8 audiosystem_log_addrs[] = {
+		CEC_LOG_ADDR_AUDIOSYSTEM,
+		CEC_LOG_ADDR_INVALID
+	};
+	static const u8 specific_use_log_addrs[] = {
+		CEC_LOG_ADDR_SPECIFIC,
+		CEC_LOG_ADDR_BACKUP_1, CEC_LOG_ADDR_BACKUP_2,
+		CEC_LOG_ADDR_INVALID
+	};
+	static const u8 *type2addrs[6] = {
+		[CEC_LOG_ADDR_TYPE_TV] = tv_log_addrs,
+		[CEC_LOG_ADDR_TYPE_RECORD] = record_log_addrs,
+		[CEC_LOG_ADDR_TYPE_TUNER] = tuner_log_addrs,
+		[CEC_LOG_ADDR_TYPE_PLAYBACK] = playback_log_addrs,
+		[CEC_LOG_ADDR_TYPE_AUDIOSYSTEM] = audiosystem_log_addrs,
+		[CEC_LOG_ADDR_TYPE_SPECIFIC] = specific_use_log_addrs,
+	};
+	static const u16 type2mask[] = {
+		[CEC_LOG_ADDR_TYPE_TV] = CEC_LOG_ADDR_MASK_TV,
+		[CEC_LOG_ADDR_TYPE_RECORD] = CEC_LOG_ADDR_MASK_RECORD,
+		[CEC_LOG_ADDR_TYPE_TUNER] = CEC_LOG_ADDR_MASK_TUNER,
+		[CEC_LOG_ADDR_TYPE_PLAYBACK] = CEC_LOG_ADDR_MASK_PLAYBACK,
+		[CEC_LOG_ADDR_TYPE_AUDIOSYSTEM] = CEC_LOG_ADDR_MASK_AUDIOSYSTEM,
+		[CEC_LOG_ADDR_TYPE_SPECIFIC] = CEC_LOG_ADDR_MASK_SPECIFIC,
+	};
+	struct cec_adapter *adap = arg;
+	struct cec_log_addrs *las = &adap->log_addrs;
+	int err;
+	int i, j;
+
+	mutex_lock(&adap->lock);
+	dprintk(1, "physical address: %x.%x.%x.%x, claim %d logical addresses\n",
+		cec_phys_addr_exp(adap->phys_addr), las->num_log_addrs);
+	las->log_addr_mask = 0;
+
+	if (las->log_addr_type[0] == CEC_LOG_ADDR_TYPE_UNREGISTERED)
+		goto configured;
+
+	for (i = 0; i < las->num_log_addrs; i++) {
+		unsigned int type = las->log_addr_type[i];
+		const u8 *la_list;
+		u8 last_la;
+
+		/*
+		 * The TV functionality can only map to physical address 0.
+		 * For any other address, try the Specific functionality
+		 * instead as per the spec.
+		 */
+		if (adap->phys_addr && type == CEC_LOG_ADDR_TYPE_TV)
+			type = CEC_LOG_ADDR_TYPE_SPECIFIC;
+
+		la_list = type2addrs[type];
+		last_la = las->log_addr[i];
+		las->log_addr[i] = CEC_LOG_ADDR_INVALID;
+		if (last_la == CEC_LOG_ADDR_INVALID ||
+		    last_la == CEC_LOG_ADDR_UNREGISTERED ||
+		    !(last_la & type2mask[type]))
+			last_la = la_list[0];
+
+		err = cec_config_log_addr(adap, i, last_la);
+		if (err > 0) /* Reused last LA */
+			continue;
+
+		if (err < 0)
+			goto unconfigure;
+
+		for (j = 0; la_list[j] != CEC_LOG_ADDR_INVALID; j++) {
+			/* Tried this one already, skip it */
+			if (la_list[j] == last_la)
+				continue;
+			/* The backup addresses are CEC 2.0 specific */
+			if ((la_list[j] == CEC_LOG_ADDR_BACKUP_1 ||
+			     la_list[j] == CEC_LOG_ADDR_BACKUP_2) &&
+			    las->cec_version < CEC_OP_CEC_VERSION_2_0)
+				continue;
+
+			err = cec_config_log_addr(adap, i, la_list[j]);
+			if (err == 0) /* LA is in use */
+				continue;
+			if (err < 0)
+				goto unconfigure;
+			/* Done, claimed an LA */
+			break;
+		}
+
+		if (la_list[j] == CEC_LOG_ADDR_INVALID)
+			dprintk(1, "could not claim LA %d\n", i);
+	}
+
+	if (adap->log_addrs.log_addr_mask == 0 &&
+	    !(las->flags & CEC_LOG_ADDRS_FL_ALLOW_UNREG_FALLBACK))
+		goto unconfigure;
+
+configured:
+	if (adap->log_addrs.log_addr_mask == 0) {
+		/* Fall back to unregistered */
+		las->log_addr[0] = CEC_LOG_ADDR_UNREGISTERED;
+		las->log_addr_mask = 1 << las->log_addr[0];
+		for (i = 1; i < las->num_log_addrs; i++)
+			las->log_addr[i] = CEC_LOG_ADDR_INVALID;
+	}
+	adap->is_configured = true;
+	adap->is_configuring = false;
+	cec_post_state_event(adap);
+	mutex_unlock(&adap->lock);
+
+	for (i = 0; i < las->num_log_addrs; i++) {
+		if (las->log_addr[i] == CEC_LOG_ADDR_INVALID ||
+		    (las->flags & CEC_LOG_ADDRS_FL_CDC_ONLY))
+			continue;
+
+		/*
+		 * Report Features must come first according
+		 * to CEC 2.0
+		 */
+		if (las->log_addr[i] != CEC_LOG_ADDR_UNREGISTERED)
+			cec_report_features(adap, i);
+		cec_report_phys_addr(adap, i);
+	}
+	for (i = las->num_log_addrs; i < CEC_MAX_LOG_ADDRS; i++)
+		las->log_addr[i] = CEC_LOG_ADDR_INVALID;
+	mutex_lock(&adap->lock);
+	adap->kthread_config = NULL;
+	mutex_unlock(&adap->lock);
+	complete(&adap->config_completion);
+	return 0;
+
+unconfigure:
+	for (i = 0; i < las->num_log_addrs; i++)
+		las->log_addr[i] = CEC_LOG_ADDR_INVALID;
+	cec_adap_unconfigure(adap);
+	adap->kthread_config = NULL;
+	mutex_unlock(&adap->lock);
+	complete(&adap->config_completion);
+	return 0;
+}
+
+/*
+ * Called from either __cec_s_phys_addr or __cec_s_log_addrs to claim the
+ * logical addresses.
+ *
+ * This function is called with adap->lock held.
+ */
+static void cec_claim_log_addrs(struct cec_adapter *adap, bool block)
+{
+	if (WARN_ON(adap->is_configuring || adap->is_configured))
+		return;
+
+	init_completion(&adap->config_completion);
+
+	/* Ready to kick off the thread */
+	adap->is_configuring = true;
+	adap->kthread_config = kthread_run(cec_config_thread_func, adap,
+					   "ceccfg-%s", adap->name);
+	if (IS_ERR(adap->kthread_config)) {
+		adap->kthread_config = NULL;
+	} else if (block) {
+		mutex_unlock(&adap->lock);
+		wait_for_completion(&adap->config_completion);
+		mutex_lock(&adap->lock);
+	}
+}
+
+/* Set a new physical address and send an event notifying userspace of this.
+ *
+ * This function is called with adap->lock held.
+ */
+void __cec_s_phys_addr(struct cec_adapter *adap, u16 phys_addr, bool block)
+{
+	if (phys_addr == adap->phys_addr || adap->devnode.unregistered)
+		return;
+
+	if (phys_addr == CEC_PHYS_ADDR_INVALID ||
+	    adap->phys_addr != CEC_PHYS_ADDR_INVALID) {
+		adap->phys_addr = CEC_PHYS_ADDR_INVALID;
+		cec_post_state_event(adap);
+		cec_adap_unconfigure(adap);
+		/* Disabling monitor all mode should always succeed */
+		if (adap->monitor_all_cnt)
+			WARN_ON(call_op(adap, adap_monitor_all_enable, false));
+		WARN_ON(adap->ops->adap_enable(adap, false));
+		if (phys_addr == CEC_PHYS_ADDR_INVALID)
+			return;
+	}
+
+	if (adap->ops->adap_enable(adap, true))
+		return;
+
+	if (adap->monitor_all_cnt &&
+	    call_op(adap, adap_monitor_all_enable, true)) {
+		WARN_ON(adap->ops->adap_enable(adap, false));
+		return;
+	}
+	adap->phys_addr = phys_addr;
+	cec_post_state_event(adap);
+	if (adap->log_addrs.num_log_addrs)
+		cec_claim_log_addrs(adap, block);
+}
+
+void cec_s_phys_addr(struct cec_adapter *adap, u16 phys_addr, bool block)
+{
+	if (IS_ERR_OR_NULL(adap))
+		return;
+
+	mutex_lock(&adap->lock);
+	__cec_s_phys_addr(adap, phys_addr, block);
+	mutex_unlock(&adap->lock);
+}
+EXPORT_SYMBOL_GPL(cec_s_phys_addr);
+
+/*
+ * Called from either the ioctl or a driver to set the logical addresses.
+ *
+ * This function is called with adap->lock held.
+ */
+int __cec_s_log_addrs(struct cec_adapter *adap,
+		      struct cec_log_addrs *log_addrs, bool block)
+{
+	u16 type_mask = 0;
+	int i;
+
+	if (adap->devnode.unregistered)
+		return -ENODEV;
+
+	if (!log_addrs || log_addrs->num_log_addrs == 0) {
+		adap->log_addrs.num_log_addrs = 0;
+		cec_adap_unconfigure(adap);
+		return 0;
+	}
+
+	if (log_addrs->flags & CEC_LOG_ADDRS_FL_CDC_ONLY) {
+		/*
+		 * Sanitize log_addrs fields if a CDC-Only device is
+		 * requested.
+		 */
+		log_addrs->num_log_addrs = 1;
+		log_addrs->osd_name[0] = '\0';
+		log_addrs->vendor_id = CEC_VENDOR_ID_NONE;
+		log_addrs->log_addr_type[0] = CEC_LOG_ADDR_TYPE_UNREGISTERED;
+		/*
+		 * This is just an internal convention since a CDC-Only device
+		 * doesn't have to be a switch. But switches already use
+		 * unregistered, so it makes some kind of sense to pick this
+		 * as the primary device. Since a CDC-Only device never sends
+		 * any 'normal' CEC messages this primary device type is never
+		 * sent over the CEC bus.
+		 */
+		log_addrs->primary_device_type[0] = CEC_OP_PRIM_DEVTYPE_SWITCH;
+		log_addrs->all_device_types[0] = 0;
+		log_addrs->features[0][0] = 0;
+		log_addrs->features[0][1] = 0;
+	}
+
+	/* Ensure the osd name is 0-terminated */
+	log_addrs->osd_name[sizeof(log_addrs->osd_name) - 1] = '\0';
+
+	/* Sanity checks */
+	if (log_addrs->num_log_addrs > adap->available_log_addrs) {
+		dprintk(1, "num_log_addrs > %d\n", adap->available_log_addrs);
+		return -EINVAL;
+	}
+
+	/*
+	 * Vendor ID is a 24 bit number, so check if the value is
+	 * within the correct range.
+	 */
+	if (log_addrs->vendor_id != CEC_VENDOR_ID_NONE &&
+	    (log_addrs->vendor_id & 0xff000000) != 0)
+		return -EINVAL;
+
+	if (log_addrs->cec_version != CEC_OP_CEC_VERSION_1_4 &&
+	    log_addrs->cec_version != CEC_OP_CEC_VERSION_2_0)
+		return -EINVAL;
+
+	if (log_addrs->num_log_addrs > 1)
+		for (i = 0; i < log_addrs->num_log_addrs; i++)
+			if (log_addrs->log_addr_type[i] ==
+					CEC_LOG_ADDR_TYPE_UNREGISTERED) {
+				dprintk(1, "num_log_addrs > 1 can't be combined with unregistered LA\n");
+				return -EINVAL;
+			}
+
+	for (i = 0; i < log_addrs->num_log_addrs; i++) {
+		const u8 feature_sz = ARRAY_SIZE(log_addrs->features[0]);
+		u8 *features = log_addrs->features[i];
+		bool op_is_dev_features = false;
+		unsigned j;
+
+		log_addrs->log_addr[i] = CEC_LOG_ADDR_INVALID;
+		if (type_mask & (1 << log_addrs->log_addr_type[i])) {
+			dprintk(1, "duplicate logical address type\n");
+			return -EINVAL;
+		}
+		type_mask |= 1 << log_addrs->log_addr_type[i];
+		if ((type_mask & (1 << CEC_LOG_ADDR_TYPE_RECORD)) &&
+		    (type_mask & (1 << CEC_LOG_ADDR_TYPE_PLAYBACK))) {
+			/* Record already contains the playback functionality */
+			dprintk(1, "invalid record + playback combination\n");
+			return -EINVAL;
+		}
+		if (log_addrs->primary_device_type[i] >
+					CEC_OP_PRIM_DEVTYPE_PROCESSOR) {
+			dprintk(1, "unknown primary device type\n");
+			return -EINVAL;
+		}
+		if (log_addrs->primary_device_type[i] == 2) {
+			dprintk(1, "invalid primary device type\n");
+			return -EINVAL;
+		}
+		if (log_addrs->log_addr_type[i] > CEC_LOG_ADDR_TYPE_UNREGISTERED) {
+			dprintk(1, "unknown logical address type\n");
+			return -EINVAL;
+		}
+		for (j = 0; j < feature_sz; j++) {
+			if ((features[j] & 0x80) == 0) {
+				if (op_is_dev_features)
+					break;
+				op_is_dev_features = true;
+			}
+		}
+		if (!op_is_dev_features || j == feature_sz) {
+			dprintk(1, "malformed features\n");
+			return -EINVAL;
+		}
+		/* Zero unused part of the feature array */
+		memset(features + j + 1, 0, feature_sz - j - 1);
+	}
+
+	if (log_addrs->cec_version >= CEC_OP_CEC_VERSION_2_0) {
+		if (log_addrs->num_log_addrs > 2) {
+			dprintk(1, "CEC 2.0 allows no more than 2 logical addresses\n");
+			return -EINVAL;
+		}
+		if (log_addrs->num_log_addrs == 2) {
+			if (!(type_mask & ((1 << CEC_LOG_ADDR_TYPE_AUDIOSYSTEM) |
+					   (1 << CEC_LOG_ADDR_TYPE_TV)))) {
+				dprintk(1, "Two LAs is only allowed for audiosystem and TV\n");
+				return -EINVAL;
+			}
+			if (!(type_mask & ((1 << CEC_LOG_ADDR_TYPE_PLAYBACK) |
+					   (1 << CEC_LOG_ADDR_TYPE_RECORD)))) {
+				dprintk(1, "An audiosystem/TV can only be combined with record or playback\n");
+				return -EINVAL;
+			}
+		}
+	}
+
+	/* Zero unused LAs */
+	for (i = log_addrs->num_log_addrs; i < CEC_MAX_LOG_ADDRS; i++) {
+		log_addrs->primary_device_type[i] = 0;
+		log_addrs->log_addr_type[i] = 0;
+		log_addrs->all_device_types[i] = 0;
+		memset(log_addrs->features[i], 0,
+		       sizeof(log_addrs->features[i]));
+	}
+
+	log_addrs->log_addr_mask = adap->log_addrs.log_addr_mask;
+	adap->log_addrs = *log_addrs;
+	if (adap->phys_addr != CEC_PHYS_ADDR_INVALID)
+		cec_claim_log_addrs(adap, block);
+	return 0;
+}
+
+int cec_s_log_addrs(struct cec_adapter *adap,
+		    struct cec_log_addrs *log_addrs, bool block)
+{
+	int err;
+
+	mutex_lock(&adap->lock);
+	err = __cec_s_log_addrs(adap, log_addrs, block);
+	mutex_unlock(&adap->lock);
+	return err;
+}
+EXPORT_SYMBOL_GPL(cec_s_log_addrs);
+
+/* High-level core CEC message handling */
+
+/* Transmit the Report Features message */
+static int cec_report_features(struct cec_adapter *adap, unsigned int la_idx)
+{
+	struct cec_msg msg = { };
+	const struct cec_log_addrs *las = &adap->log_addrs;
+	const u8 *features = las->features[la_idx];
+	bool op_is_dev_features = false;
+	unsigned int idx;
+
+	/* This is 2.0 and up only */
+	if (adap->log_addrs.cec_version < CEC_OP_CEC_VERSION_2_0)
+		return 0;
+
+	/* Report Features */
+	msg.msg[0] = (las->log_addr[la_idx] << 4) | 0x0f;
+	msg.len = 4;
+	msg.msg[1] = CEC_MSG_REPORT_FEATURES;
+	msg.msg[2] = adap->log_addrs.cec_version;
+	msg.msg[3] = las->all_device_types[la_idx];
+
+	/* Write RC Profiles first, then Device Features */
+	for (idx = 0; idx < ARRAY_SIZE(las->features[0]); idx++) {
+		msg.msg[msg.len++] = features[idx];
+		if ((features[idx] & CEC_OP_FEAT_EXT) == 0) {
+			if (op_is_dev_features)
+				break;
+			op_is_dev_features = true;
+		}
+	}
+	return cec_transmit_msg(adap, &msg, false);
+}
+
+/* Transmit the Report Physical Address message */
+static int cec_report_phys_addr(struct cec_adapter *adap, unsigned int la_idx)
+{
+	const struct cec_log_addrs *las = &adap->log_addrs;
+	struct cec_msg msg = { };
+
+	/* Report Physical Address */
+	msg.msg[0] = (las->log_addr[la_idx] << 4) | 0x0f;
+	cec_msg_report_physical_addr(&msg, adap->phys_addr,
+				     las->primary_device_type[la_idx]);
+	dprintk(2, "config: la %d pa %x.%x.%x.%x\n",
+		las->log_addr[la_idx],
+			cec_phys_addr_exp(adap->phys_addr));
+	return cec_transmit_msg(adap, &msg, false);
+}
+
+/* Transmit the Feature Abort message */
+static int cec_feature_abort_reason(struct cec_adapter *adap,
+				    struct cec_msg *msg, u8 reason)
+{
+	struct cec_msg tx_msg = { };
+
+	/*
+	 * Don't reply with CEC_MSG_FEATURE_ABORT to a CEC_MSG_FEATURE_ABORT
+	 * message!
+	 */
+	if (msg->msg[1] == CEC_MSG_FEATURE_ABORT)
+		return 0;
+	cec_msg_set_reply_to(&tx_msg, msg);
+	cec_msg_feature_abort(&tx_msg, msg->msg[1], reason);
+	return cec_transmit_msg(adap, &tx_msg, false);
+}
+
+static int cec_feature_abort(struct cec_adapter *adap, struct cec_msg *msg)
+{
+	return cec_feature_abort_reason(adap, msg,
+					CEC_OP_ABORT_UNRECOGNIZED_OP);
+}
+
+static int cec_feature_refused(struct cec_adapter *adap, struct cec_msg *msg)
+{
+	return cec_feature_abort_reason(adap, msg,
+					CEC_OP_ABORT_REFUSED);
+}
+
+/*
+ * Called when a CEC message is received. This function will do any
+ * necessary core processing. The is_reply bool is true if this message
+ * is a reply to an earlier transmit.
+ *
+ * The message is either a broadcast message or a valid directed message.
+ */
+static int cec_receive_notify(struct cec_adapter *adap, struct cec_msg *msg,
+			      bool is_reply)
+{
+	bool is_broadcast = cec_msg_is_broadcast(msg);
+	u8 dest_laddr = cec_msg_destination(msg);
+	u8 init_laddr = cec_msg_initiator(msg);
+	u8 devtype = cec_log_addr2dev(adap, dest_laddr);
+	int la_idx = cec_log_addr2idx(adap, dest_laddr);
+	bool from_unregistered = init_laddr == 0xf;
+	struct cec_msg tx_cec_msg = { };
+
+	dprintk(1, "cec_receive_notify: %*ph\n", msg->len, msg->msg);
+
+	/* If this is a CDC-Only device, then ignore any non-CDC messages */
+	if (cec_is_cdc_only(&adap->log_addrs) &&
+	    msg->msg[1] != CEC_MSG_CDC_MESSAGE)
+		return 0;
+
+	if (adap->ops->received) {
+		/* Allow drivers to process the message first */
+		if (adap->ops->received(adap, msg) != -ENOMSG)
+			return 0;
+	}
+
+	/*
+	 * REPORT_PHYSICAL_ADDR, CEC_MSG_USER_CONTROL_PRESSED and
+	 * CEC_MSG_USER_CONTROL_RELEASED messages always have to be
+	 * handled by the CEC core, even if the passthrough mode is on.
+	 * The others are just ignored if passthrough mode is on.
+	 */
+	switch (msg->msg[1]) {
+	case CEC_MSG_GET_CEC_VERSION:
+	case CEC_MSG_GIVE_DEVICE_VENDOR_ID:
+	case CEC_MSG_ABORT:
+	case CEC_MSG_GIVE_DEVICE_POWER_STATUS:
+	case CEC_MSG_GIVE_PHYSICAL_ADDR:
+	case CEC_MSG_GIVE_OSD_NAME:
+	case CEC_MSG_GIVE_FEATURES:
+		/*
+		 * Skip processing these messages if the passthrough mode
+		 * is on.
+		 */
+		if (adap->passthrough)
+			goto skip_processing;
+		/* Ignore if addressing is wrong */
+		if (is_broadcast || from_unregistered)
+			return 0;
+		break;
+
+	case CEC_MSG_USER_CONTROL_PRESSED:
+	case CEC_MSG_USER_CONTROL_RELEASED:
+		/* Wrong addressing mode: don't process */
+		if (is_broadcast || from_unregistered)
+			goto skip_processing;
+		break;
+
+	case CEC_MSG_REPORT_PHYSICAL_ADDR:
+		/*
+		 * This message is always processed, regardless of the
+		 * passthrough setting.
+		 *
+		 * Exception: don't process if wrong addressing mode.
+		 */
+		if (!is_broadcast)
+			goto skip_processing;
+		break;
+
+	default:
+		break;
+	}
+
+	cec_msg_set_reply_to(&tx_cec_msg, msg);
+
+	switch (msg->msg[1]) {
+	/* The following messages are processed but still passed through */
+	case CEC_MSG_REPORT_PHYSICAL_ADDR: {
+		u16 pa = (msg->msg[2] << 8) | msg->msg[3];
+
+		if (!from_unregistered)
+			adap->phys_addrs[init_laddr] = pa;
+		dprintk(1, "Reported physical address %x.%x.%x.%x for logical address %d\n",
+			cec_phys_addr_exp(pa), init_laddr);
+		break;
+	}
+
+	case CEC_MSG_USER_CONTROL_PRESSED:
+		if (!(adap->capabilities & CEC_CAP_RC) ||
+		    !(adap->log_addrs.flags & CEC_LOG_ADDRS_FL_ALLOW_RC_PASSTHRU))
+			break;
+
+#if IS_REACHABLE(CONFIG_RC_CORE)
+		switch (msg->msg[2]) {
+		/*
+		 * Play function, this message can have variable length
+		 * depending on the specific play function that is used.
+		 */
+		case 0x60:
+			if (msg->len == 2)
+				rc_keydown(adap->rc, RC_TYPE_CEC,
+					   msg->msg[2], 0);
+			else
+				rc_keydown(adap->rc, RC_TYPE_CEC,
+					   msg->msg[2] << 8 | msg->msg[3], 0);
+			break;
+		/*
+		 * Other function messages that are not handled.
+		 * Currently the RC framework does not allow to supply an
+		 * additional parameter to a keypress. These "keys" contain
+		 * other information such as channel number, an input number
+		 * etc.
+		 * For the time being these messages are not processed by the
+		 * framework and are simply forwarded to the user space.
+		 */
+		case 0x56: case 0x57:
+		case 0x67: case 0x68: case 0x69: case 0x6a:
+			break;
+		default:
+			rc_keydown(adap->rc, RC_TYPE_CEC, msg->msg[2], 0);
+			break;
+		}
+#endif
+		break;
+
+	case CEC_MSG_USER_CONTROL_RELEASED:
+		if (!(adap->capabilities & CEC_CAP_RC) ||
+		    !(adap->log_addrs.flags & CEC_LOG_ADDRS_FL_ALLOW_RC_PASSTHRU))
+			break;
+#if IS_REACHABLE(CONFIG_RC_CORE)
+		rc_keyup(adap->rc);
+#endif
+		break;
+
+	/*
+	 * The remaining messages are only processed if the passthrough mode
+	 * is off.
+	 */
+	case CEC_MSG_GET_CEC_VERSION:
+		cec_msg_cec_version(&tx_cec_msg, adap->log_addrs.cec_version);
+		return cec_transmit_msg(adap, &tx_cec_msg, false);
+
+	case CEC_MSG_GIVE_PHYSICAL_ADDR:
+		/* Do nothing for CEC switches using addr 15 */
+		if (devtype == CEC_OP_PRIM_DEVTYPE_SWITCH && dest_laddr == 15)
+			return 0;
+		cec_msg_report_physical_addr(&tx_cec_msg, adap->phys_addr, devtype);
+		return cec_transmit_msg(adap, &tx_cec_msg, false);
+
+	case CEC_MSG_GIVE_DEVICE_VENDOR_ID:
+		if (adap->log_addrs.vendor_id == CEC_VENDOR_ID_NONE)
+			return cec_feature_abort(adap, msg);
+		cec_msg_device_vendor_id(&tx_cec_msg, adap->log_addrs.vendor_id);
+		return cec_transmit_msg(adap, &tx_cec_msg, false);
+
+	case CEC_MSG_ABORT:
+		/* Do nothing for CEC switches */
+		if (devtype == CEC_OP_PRIM_DEVTYPE_SWITCH)
+			return 0;
+		return cec_feature_refused(adap, msg);
+
+	case CEC_MSG_GIVE_OSD_NAME: {
+		if (adap->log_addrs.osd_name[0] == 0)
+			return cec_feature_abort(adap, msg);
+		cec_msg_set_osd_name(&tx_cec_msg, adap->log_addrs.osd_name);
+		return cec_transmit_msg(adap, &tx_cec_msg, false);
+	}
+
+	case CEC_MSG_GIVE_FEATURES:
+		if (adap->log_addrs.cec_version >= CEC_OP_CEC_VERSION_2_0)
+			return cec_report_features(adap, la_idx);
+		return 0;
+
+	default:
+		/*
+		 * Unprocessed messages are aborted if userspace isn't doing
+		 * any processing either.
+		 */
+		if (!is_broadcast && !is_reply && !adap->follower_cnt &&
+		    !adap->cec_follower && msg->msg[1] != CEC_MSG_FEATURE_ABORT)
+			return cec_feature_abort(adap, msg);
+		break;
+	}
+
+skip_processing:
+	/* If this was a reply, then we're done, unless otherwise specified */
+	if (is_reply && !(msg->flags & CEC_MSG_FL_REPLY_TO_FOLLOWERS))
+		return 0;
+
+	/*
+	 * Send to the exclusive follower if there is one, otherwise send
+	 * to all followers.
+	 */
+	if (adap->cec_follower)
+		cec_queue_msg_fh(adap->cec_follower, msg);
+	else
+		cec_queue_msg_followers(adap, msg);
+	return 0;
+}
+
+/*
+ * Helper functions to keep track of the 'monitor all' use count.
+ *
+ * These functions are called with adap->lock held.
+ */
+int cec_monitor_all_cnt_inc(struct cec_adapter *adap)
+{
+	int ret = 0;
+
+	if (adap->monitor_all_cnt == 0)
+		ret = call_op(adap, adap_monitor_all_enable, 1);
+	if (ret == 0)
+		adap->monitor_all_cnt++;
+	return ret;
+}
+
+void cec_monitor_all_cnt_dec(struct cec_adapter *adap)
+{
+	adap->monitor_all_cnt--;
+	if (adap->monitor_all_cnt == 0)
+		WARN_ON(call_op(adap, adap_monitor_all_enable, 0));
+}
+
+#ifdef CONFIG_MEDIA_CEC_DEBUG
+/*
+ * Log the current state of the CEC adapter.
+ * Very useful for debugging.
+ */
+int cec_adap_status(struct seq_file *file, void *priv)
+{
+	struct cec_adapter *adap = dev_get_drvdata(file->private);
+	struct cec_data *data;
+
+	mutex_lock(&adap->lock);
+	seq_printf(file, "configured: %d\n", adap->is_configured);
+	seq_printf(file, "configuring: %d\n", adap->is_configuring);
+	seq_printf(file, "phys_addr: %x.%x.%x.%x\n",
+		   cec_phys_addr_exp(adap->phys_addr));
+	seq_printf(file, "number of LAs: %d\n", adap->log_addrs.num_log_addrs);
+	seq_printf(file, "LA mask: 0x%04x\n", adap->log_addrs.log_addr_mask);
+	if (adap->cec_follower)
+		seq_printf(file, "has CEC follower%s\n",
+			   adap->passthrough ? " (in passthrough mode)" : "");
+	if (adap->cec_initiator)
+		seq_puts(file, "has CEC initiator\n");
+	if (adap->monitor_all_cnt)
+		seq_printf(file, "file handles in Monitor All mode: %u\n",
+			   adap->monitor_all_cnt);
+	data = adap->transmitting;
+	if (data)
+		seq_printf(file, "transmitting message: %*ph (reply: %02x, timeout: %ums)\n",
+			   data->msg.len, data->msg.msg, data->msg.reply,
+			   data->msg.timeout);
+	seq_printf(file, "pending transmits: %u\n", adap->transmit_queue_sz);
+	list_for_each_entry(data, &adap->transmit_queue, list) {
+		seq_printf(file, "queued tx message: %*ph (reply: %02x, timeout: %ums)\n",
+			   data->msg.len, data->msg.msg, data->msg.reply,
+			   data->msg.timeout);
+	}
+	list_for_each_entry(data, &adap->wait_queue, list) {
+		seq_printf(file, "message waiting for reply: %*ph (reply: %02x, timeout: %ums)\n",
+			   data->msg.len, data->msg.msg, data->msg.reply,
+			   data->msg.timeout);
+	}
+
+	call_void_op(adap, adap_status, file);
+	mutex_unlock(&adap->lock);
+	return 0;
+}
+#endif
diff --git a/drivers/media/cec/cec-api.c b/drivers/media/cec/cec-api.c
new file mode 100644
index 000000000000..8950b6c9d6a9
--- /dev/null
+++ b/drivers/media/cec/cec-api.c
@@ -0,0 +1,588 @@
+/*
+ * cec-api.c - HDMI Consumer Electronics Control framework - API
+ *
+ * Copyright 2016 Cisco Systems, Inc. and/or its affiliates. All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include <linux/errno.h>
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/kmod.h>
+#include <linux/ktime.h>
+#include <linux/slab.h>
+#include <linux/mm.h>
+#include <linux/string.h>
+#include <linux/types.h>
+#include <linux/uaccess.h>
+#include <linux/version.h>
+
+#include "cec-priv.h"
+
+static inline struct cec_devnode *cec_devnode_data(struct file *filp)
+{
+	struct cec_fh *fh = filp->private_data;
+
+	return &fh->adap->devnode;
+}
+
+/* CEC file operations */
+
+static unsigned int cec_poll(struct file *filp,
+			     struct poll_table_struct *poll)
+{
+	struct cec_devnode *devnode = cec_devnode_data(filp);
+	struct cec_fh *fh = filp->private_data;
+	struct cec_adapter *adap = fh->adap;
+	unsigned int res = 0;
+
+	if (!devnode->registered)
+		return POLLERR | POLLHUP;
+	mutex_lock(&adap->lock);
+	if (adap->is_configured &&
+	    adap->transmit_queue_sz < CEC_MAX_MSG_TX_QUEUE_SZ)
+		res |= POLLOUT | POLLWRNORM;
+	if (fh->queued_msgs)
+		res |= POLLIN | POLLRDNORM;
+	if (fh->pending_events)
+		res |= POLLPRI;
+	poll_wait(filp, &fh->wait, poll);
+	mutex_unlock(&adap->lock);
+	return res;
+}
+
+static bool cec_is_busy(const struct cec_adapter *adap,
+			const struct cec_fh *fh)
+{
+	bool valid_initiator = adap->cec_initiator && adap->cec_initiator == fh;
+	bool valid_follower = adap->cec_follower && adap->cec_follower == fh;
+
+	/*
+	 * Exclusive initiators and followers can always access the CEC adapter
+	 */
+	if (valid_initiator || valid_follower)
+		return false;
+	/*
+	 * All others can only access the CEC adapter if there is no
+	 * exclusive initiator and they are in INITIATOR mode.
+	 */
+	return adap->cec_initiator ||
+	       fh->mode_initiator == CEC_MODE_NO_INITIATOR;
+}
+
+static long cec_adap_g_caps(struct cec_adapter *adap,
+			    struct cec_caps __user *parg)
+{
+	struct cec_caps caps = {};
+
+	strlcpy(caps.driver, adap->devnode.dev.parent->driver->name,
+		sizeof(caps.driver));
+	strlcpy(caps.name, adap->name, sizeof(caps.name));
+	caps.available_log_addrs = adap->available_log_addrs;
+	caps.capabilities = adap->capabilities;
+	caps.version = LINUX_VERSION_CODE;
+	if (copy_to_user(parg, &caps, sizeof(caps)))
+		return -EFAULT;
+	return 0;
+}
+
+static long cec_adap_g_phys_addr(struct cec_adapter *adap,
+				 __u16 __user *parg)
+{
+	u16 phys_addr;
+
+	mutex_lock(&adap->lock);
+	phys_addr = adap->phys_addr;
+	mutex_unlock(&adap->lock);
+	if (copy_to_user(parg, &phys_addr, sizeof(phys_addr)))
+		return -EFAULT;
+	return 0;
+}
+
+static long cec_adap_s_phys_addr(struct cec_adapter *adap, struct cec_fh *fh,
+				 bool block, __u16 __user *parg)
+{
+	u16 phys_addr;
+	long err;
+
+	if (!(adap->capabilities & CEC_CAP_PHYS_ADDR))
+		return -ENOTTY;
+	if (copy_from_user(&phys_addr, parg, sizeof(phys_addr)))
+		return -EFAULT;
+
+	err = cec_phys_addr_validate(phys_addr, NULL, NULL);
+	if (err)
+		return err;
+	mutex_lock(&adap->lock);
+	if (cec_is_busy(adap, fh))
+		err = -EBUSY;
+	else
+		__cec_s_phys_addr(adap, phys_addr, block);
+	mutex_unlock(&adap->lock);
+	return err;
+}
+
+static long cec_adap_g_log_addrs(struct cec_adapter *adap,
+				 struct cec_log_addrs __user *parg)
+{
+	struct cec_log_addrs log_addrs;
+
+	mutex_lock(&adap->lock);
+	log_addrs = adap->log_addrs;
+	if (!adap->is_configured)
+		memset(log_addrs.log_addr, CEC_LOG_ADDR_INVALID,
+		       sizeof(log_addrs.log_addr));
+	mutex_unlock(&adap->lock);
+
+	if (copy_to_user(parg, &log_addrs, sizeof(log_addrs)))
+		return -EFAULT;
+	return 0;
+}
+
+static long cec_adap_s_log_addrs(struct cec_adapter *adap, struct cec_fh *fh,
+				 bool block, struct cec_log_addrs __user *parg)
+{
+	struct cec_log_addrs log_addrs;
+	long err = -EBUSY;
+
+	if (!(adap->capabilities & CEC_CAP_LOG_ADDRS))
+		return -ENOTTY;
+	if (copy_from_user(&log_addrs, parg, sizeof(log_addrs)))
+		return -EFAULT;
+	log_addrs.flags &= CEC_LOG_ADDRS_FL_ALLOW_UNREG_FALLBACK |
+			   CEC_LOG_ADDRS_FL_ALLOW_RC_PASSTHRU |
+			   CEC_LOG_ADDRS_FL_CDC_ONLY;
+	mutex_lock(&adap->lock);
+	if (!adap->is_configuring &&
+	    (!log_addrs.num_log_addrs || !adap->is_configured) &&
+	    !cec_is_busy(adap, fh)) {
+		err = __cec_s_log_addrs(adap, &log_addrs, block);
+		if (!err)
+			log_addrs = adap->log_addrs;
+	}
+	mutex_unlock(&adap->lock);
+	if (err)
+		return err;
+	if (copy_to_user(parg, &log_addrs, sizeof(log_addrs)))
+		return -EFAULT;
+	return 0;
+}
+
+static long cec_transmit(struct cec_adapter *adap, struct cec_fh *fh,
+			 bool block, struct cec_msg __user *parg)
+{
+	struct cec_msg msg = {};
+	long err = 0;
+
+	if (!(adap->capabilities & CEC_CAP_TRANSMIT))
+		return -ENOTTY;
+	if (copy_from_user(&msg, parg, sizeof(msg)))
+		return -EFAULT;
+
+	/* A CDC-Only device can only send CDC messages */
+	if ((adap->log_addrs.flags & CEC_LOG_ADDRS_FL_CDC_ONLY) &&
+	    (msg.len == 1 || msg.msg[1] != CEC_MSG_CDC_MESSAGE))
+		return -EINVAL;
+
+	mutex_lock(&adap->lock);
+	if (!adap->is_configured)
+		err = -ENONET;
+	else if (cec_is_busy(adap, fh))
+		err = -EBUSY;
+	else
+		err = cec_transmit_msg_fh(adap, &msg, fh, block);
+	mutex_unlock(&adap->lock);
+	if (err)
+		return err;
+	if (copy_to_user(parg, &msg, sizeof(msg)))
+		return -EFAULT;
+	return 0;
+}
+
+/* Called by CEC_RECEIVE: wait for a message to arrive */
+static int cec_receive_msg(struct cec_fh *fh, struct cec_msg *msg, bool block)
+{
+	u32 timeout = msg->timeout;
+	int res;
+
+	do {
+		mutex_lock(&fh->lock);
+		/* Are there received messages queued up? */
+		if (fh->queued_msgs) {
+			/* Yes, return the first one */
+			struct cec_msg_entry *entry =
+				list_first_entry(&fh->msgs,
+						 struct cec_msg_entry, list);
+
+			list_del(&entry->list);
+			*msg = entry->msg;
+			kfree(entry);
+			fh->queued_msgs--;
+			mutex_unlock(&fh->lock);
+			/* restore original timeout value */
+			msg->timeout = timeout;
+			return 0;
+		}
+
+		/* No, return EAGAIN in non-blocking mode or wait */
+		mutex_unlock(&fh->lock);
+
+		/* Return when in non-blocking mode */
+		if (!block)
+			return -EAGAIN;
+
+		if (msg->timeout) {
+			/* The user specified a timeout */
+			res = wait_event_interruptible_timeout(fh->wait,
+							       fh->queued_msgs,
+				msecs_to_jiffies(msg->timeout));
+			if (res == 0)
+				res = -ETIMEDOUT;
+			else if (res > 0)
+				res = 0;
+		} else {
+			/* Wait indefinitely */
+			res = wait_event_interruptible(fh->wait,
+						       fh->queued_msgs);
+		}
+		/* Exit on error, otherwise loop to get the new message */
+	} while (!res);
+	return res;
+}
+
+static long cec_receive(struct cec_adapter *adap, struct cec_fh *fh,
+			bool block, struct cec_msg __user *parg)
+{
+	struct cec_msg msg = {};
+	long err = 0;
+
+	if (copy_from_user(&msg, parg, sizeof(msg)))
+		return -EFAULT;
+	mutex_lock(&adap->lock);
+	if (!adap->is_configured && fh->mode_follower < CEC_MODE_MONITOR)
+		err = -ENONET;
+	mutex_unlock(&adap->lock);
+	if (err)
+		return err;
+
+	err = cec_receive_msg(fh, &msg, block);
+	if (err)
+		return err;
+	msg.flags = 0;
+	if (copy_to_user(parg, &msg, sizeof(msg)))
+		return -EFAULT;
+	return 0;
+}
+
+static long cec_dqevent(struct cec_adapter *adap, struct cec_fh *fh,
+			bool block, struct cec_event __user *parg)
+{
+	struct cec_event *ev = NULL;
+	u64 ts = ~0ULL;
+	unsigned int i;
+	long err = 0;
+
+	mutex_lock(&fh->lock);
+	while (!fh->pending_events && block) {
+		mutex_unlock(&fh->lock);
+		err = wait_event_interruptible(fh->wait, fh->pending_events);
+		if (err)
+			return err;
+		mutex_lock(&fh->lock);
+	}
+
+	/* Find the oldest event */
+	for (i = 0; i < CEC_NUM_EVENTS; i++) {
+		if (fh->pending_events & (1 << (i + 1)) &&
+		    fh->events[i].ts <= ts) {
+			ev = &fh->events[i];
+			ts = ev->ts;
+		}
+	}
+	if (!ev) {
+		err = -EAGAIN;
+		goto unlock;
+	}
+
+	if (copy_to_user(parg, ev, sizeof(*ev))) {
+		err = -EFAULT;
+		goto unlock;
+	}
+
+	fh->pending_events &= ~(1 << ev->event);
+
+unlock:
+	mutex_unlock(&fh->lock);
+	return err;
+}
+
+static long cec_g_mode(struct cec_adapter *adap, struct cec_fh *fh,
+		       u32 __user *parg)
+{
+	u32 mode = fh->mode_initiator | fh->mode_follower;
+
+	if (copy_to_user(parg, &mode, sizeof(mode)))
+		return -EFAULT;
+	return 0;
+}
+
+static long cec_s_mode(struct cec_adapter *adap, struct cec_fh *fh,
+		       u32 __user *parg)
+{
+	u32 mode;
+	u8 mode_initiator;
+	u8 mode_follower;
+	long err = 0;
+
+	if (copy_from_user(&mode, parg, sizeof(mode)))
+		return -EFAULT;
+	if (mode & ~(CEC_MODE_INITIATOR_MSK | CEC_MODE_FOLLOWER_MSK))
+		return -EINVAL;
+
+	mode_initiator = mode & CEC_MODE_INITIATOR_MSK;
+	mode_follower = mode & CEC_MODE_FOLLOWER_MSK;
+
+	if (mode_initiator > CEC_MODE_EXCL_INITIATOR ||
+	    mode_follower > CEC_MODE_MONITOR_ALL)
+		return -EINVAL;
+
+	if (mode_follower == CEC_MODE_MONITOR_ALL &&
+	    !(adap->capabilities & CEC_CAP_MONITOR_ALL))
+		return -EINVAL;
+
+	/* Follower modes should always be able to send CEC messages */
+	if ((mode_initiator == CEC_MODE_NO_INITIATOR ||
+	     !(adap->capabilities & CEC_CAP_TRANSMIT)) &&
+	    mode_follower >= CEC_MODE_FOLLOWER &&
+	    mode_follower <= CEC_MODE_EXCL_FOLLOWER_PASSTHRU)
+		return -EINVAL;
+
+	/* Monitor modes require CEC_MODE_NO_INITIATOR */
+	if (mode_initiator && mode_follower >= CEC_MODE_MONITOR)
+		return -EINVAL;
+
+	/* Monitor modes require CAP_NET_ADMIN */
+	if (mode_follower >= CEC_MODE_MONITOR && !capable(CAP_NET_ADMIN))
+		return -EPERM;
+
+	mutex_lock(&adap->lock);
+	/*
+	 * You can't become exclusive follower if someone else already
+	 * has that job.
+	 */
+	if ((mode_follower == CEC_MODE_EXCL_FOLLOWER ||
+	     mode_follower == CEC_MODE_EXCL_FOLLOWER_PASSTHRU) &&
+	    adap->cec_follower && adap->cec_follower != fh)
+		err = -EBUSY;
+	/*
+	 * You can't become exclusive initiator if someone else already
+	 * has that job.
+	 */
+	if (mode_initiator == CEC_MODE_EXCL_INITIATOR &&
+	    adap->cec_initiator && adap->cec_initiator != fh)
+		err = -EBUSY;
+
+	if (!err) {
+		bool old_mon_all = fh->mode_follower == CEC_MODE_MONITOR_ALL;
+		bool new_mon_all = mode_follower == CEC_MODE_MONITOR_ALL;
+
+		if (old_mon_all != new_mon_all) {
+			if (new_mon_all)
+				err = cec_monitor_all_cnt_inc(adap);
+			else
+				cec_monitor_all_cnt_dec(adap);
+		}
+	}
+
+	if (err) {
+		mutex_unlock(&adap->lock);
+		return err;
+	}
+
+	if (fh->mode_follower == CEC_MODE_FOLLOWER)
+		adap->follower_cnt--;
+	if (mode_follower == CEC_MODE_FOLLOWER)
+		adap->follower_cnt++;
+	if (mode_follower == CEC_MODE_EXCL_FOLLOWER ||
+	    mode_follower == CEC_MODE_EXCL_FOLLOWER_PASSTHRU) {
+		adap->passthrough =
+			mode_follower == CEC_MODE_EXCL_FOLLOWER_PASSTHRU;
+		adap->cec_follower = fh;
+	} else if (adap->cec_follower == fh) {
+		adap->passthrough = false;
+		adap->cec_follower = NULL;
+	}
+	if (mode_initiator == CEC_MODE_EXCL_INITIATOR)
+		adap->cec_initiator = fh;
+	else if (adap->cec_initiator == fh)
+		adap->cec_initiator = NULL;
+	fh->mode_initiator = mode_initiator;
+	fh->mode_follower = mode_follower;
+	mutex_unlock(&adap->lock);
+	return 0;
+}
+
+static long cec_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
+{
+	struct cec_devnode *devnode = cec_devnode_data(filp);
+	struct cec_fh *fh = filp->private_data;
+	struct cec_adapter *adap = fh->adap;
+	bool block = !(filp->f_flags & O_NONBLOCK);
+	void __user *parg = (void __user *)arg;
+
+	if (!devnode->registered)
+		return -ENODEV;
+
+	switch (cmd) {
+	case CEC_ADAP_G_CAPS:
+		return cec_adap_g_caps(adap, parg);
+
+	case CEC_ADAP_G_PHYS_ADDR:
+		return cec_adap_g_phys_addr(adap, parg);
+
+	case CEC_ADAP_S_PHYS_ADDR:
+		return cec_adap_s_phys_addr(adap, fh, block, parg);
+
+	case CEC_ADAP_G_LOG_ADDRS:
+		return cec_adap_g_log_addrs(adap, parg);
+
+	case CEC_ADAP_S_LOG_ADDRS:
+		return cec_adap_s_log_addrs(adap, fh, block, parg);
+
+	case CEC_TRANSMIT:
+		return cec_transmit(adap, fh, block, parg);
+
+	case CEC_RECEIVE:
+		return cec_receive(adap, fh, block, parg);
+
+	case CEC_DQEVENT:
+		return cec_dqevent(adap, fh, block, parg);
+
+	case CEC_G_MODE:
+		return cec_g_mode(adap, fh, parg);
+
+	case CEC_S_MODE:
+		return cec_s_mode(adap, fh, parg);
+
+	default:
+		return -ENOTTY;
+	}
+}
+
+static int cec_open(struct inode *inode, struct file *filp)
+{
+	struct cec_devnode *devnode =
+		container_of(inode->i_cdev, struct cec_devnode, cdev);
+	struct cec_adapter *adap = to_cec_adapter(devnode);
+	struct cec_fh *fh = kzalloc(sizeof(*fh), GFP_KERNEL);
+	/*
+	 * Initial events that are automatically sent when the cec device is
+	 * opened.
+	 */
+	struct cec_event ev_state = {
+		.event = CEC_EVENT_STATE_CHANGE,
+		.flags = CEC_EVENT_FL_INITIAL_STATE,
+	};
+	int err;
+
+	if (!fh)
+		return -ENOMEM;
+
+	INIT_LIST_HEAD(&fh->msgs);
+	INIT_LIST_HEAD(&fh->xfer_list);
+	mutex_init(&fh->lock);
+	init_waitqueue_head(&fh->wait);
+
+	fh->mode_initiator = CEC_MODE_INITIATOR;
+	fh->adap = adap;
+
+	err = cec_get_device(devnode);
+	if (err) {
+		kfree(fh);
+		return err;
+	}
+
+	filp->private_data = fh;
+
+	mutex_lock(&devnode->lock);
+	/* Queue up initial state events */
+	ev_state.state_change.phys_addr = adap->phys_addr;
+	ev_state.state_change.log_addr_mask = adap->log_addrs.log_addr_mask;
+	cec_queue_event_fh(fh, &ev_state, 0);
+
+	list_add(&fh->list, &devnode->fhs);
+	mutex_unlock(&devnode->lock);
+
+	return 0;
+}
+
+/* Override for the release function */
+static int cec_release(struct inode *inode, struct file *filp)
+{
+	struct cec_devnode *devnode = cec_devnode_data(filp);
+	struct cec_adapter *adap = to_cec_adapter(devnode);
+	struct cec_fh *fh = filp->private_data;
+
+	mutex_lock(&adap->lock);
+	if (adap->cec_initiator == fh)
+		adap->cec_initiator = NULL;
+	if (adap->cec_follower == fh) {
+		adap->cec_follower = NULL;
+		adap->passthrough = false;
+	}
+	if (fh->mode_follower == CEC_MODE_FOLLOWER)
+		adap->follower_cnt--;
+	if (fh->mode_follower == CEC_MODE_MONITOR_ALL)
+		cec_monitor_all_cnt_dec(adap);
+	mutex_unlock(&adap->lock);
+
+	mutex_lock(&devnode->lock);
+	list_del(&fh->list);
+	mutex_unlock(&devnode->lock);
+
+	/* Unhook pending transmits from this filehandle. */
+	mutex_lock(&adap->lock);
+	while (!list_empty(&fh->xfer_list)) {
+		struct cec_data *data =
+			list_first_entry(&fh->xfer_list, struct cec_data, xfer_list);
+
+		data->blocking = false;
+		data->fh = NULL;
+		list_del(&data->xfer_list);
+	}
+	mutex_unlock(&adap->lock);
+	while (!list_empty(&fh->msgs)) {
+		struct cec_msg_entry *entry =
+			list_first_entry(&fh->msgs, struct cec_msg_entry, list);
+
+		list_del(&entry->list);
+		kfree(entry);
+	}
+	kfree(fh);
+
+	cec_put_device(devnode);
+	filp->private_data = NULL;
+	return 0;
+}
+
+const struct file_operations cec_devnode_fops = {
+	.owner = THIS_MODULE,
+	.open = cec_open,
+	.unlocked_ioctl = cec_ioctl,
+	.release = cec_release,
+	.poll = cec_poll,
+	.llseek = no_llseek,
+};
diff --git a/drivers/media/cec/cec-core.c b/drivers/media/cec/cec-core.c
new file mode 100644
index 000000000000..aca3ab83a8a1
--- /dev/null
+++ b/drivers/media/cec/cec-core.c
@@ -0,0 +1,413 @@
+/*
+ * cec-core.c - HDMI Consumer Electronics Control framework - Core
+ *
+ * Copyright 2016 Cisco Systems, Inc. and/or its affiliates. All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include <linux/errno.h>
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/kmod.h>
+#include <linux/slab.h>
+#include <linux/mm.h>
+#include <linux/string.h>
+#include <linux/types.h>
+
+#include "cec-priv.h"
+
+#define CEC_NUM_DEVICES	256
+#define CEC_NAME	"cec"
+
+int cec_debug;
+module_param_named(debug, cec_debug, int, 0644);
+MODULE_PARM_DESC(debug, "debug level (0-2)");
+
+static dev_t cec_dev_t;
+
+/* Active devices */
+static DEFINE_MUTEX(cec_devnode_lock);
+static DECLARE_BITMAP(cec_devnode_nums, CEC_NUM_DEVICES);
+
+static struct dentry *top_cec_dir;
+
+/* dev to cec_devnode */
+#define to_cec_devnode(cd) container_of(cd, struct cec_devnode, dev)
+
+int cec_get_device(struct cec_devnode *devnode)
+{
+	/*
+	 * Check if the cec device is available. This needs to be done with
+	 * the devnode->lock held to prevent an open/unregister race:
+	 * without the lock, the device could be unregistered and freed between
+	 * the devnode->registered check and get_device() calls, leading to
+	 * a crash.
+	 */
+	mutex_lock(&devnode->lock);
+	/*
+	 * return ENXIO if the cec device has been removed
+	 * already or if it is not registered anymore.
+	 */
+	if (!devnode->registered) {
+		mutex_unlock(&devnode->lock);
+		return -ENXIO;
+	}
+	/* and increase the device refcount */
+	get_device(&devnode->dev);
+	mutex_unlock(&devnode->lock);
+	return 0;
+}
+
+void cec_put_device(struct cec_devnode *devnode)
+{
+	put_device(&devnode->dev);
+}
+
+/* Called when the last user of the cec device exits. */
+static void cec_devnode_release(struct device *cd)
+{
+	struct cec_devnode *devnode = to_cec_devnode(cd);
+
+	mutex_lock(&cec_devnode_lock);
+	/* Mark device node number as free */
+	clear_bit(devnode->minor, cec_devnode_nums);
+	mutex_unlock(&cec_devnode_lock);
+
+	cec_delete_adapter(to_cec_adapter(devnode));
+}
+
+static struct bus_type cec_bus_type = {
+	.name = CEC_NAME,
+};
+
+/*
+ * Register a cec device node
+ *
+ * The registration code assigns minor numbers and registers the new device node
+ * with the kernel. An error is returned if no free minor number can be found,
+ * or if the registration of the device node fails.
+ *
+ * Zero is returned on success.
+ *
+ * Note that if the cec_devnode_register call fails, the release() callback of
+ * the cec_devnode structure is *not* called, so the caller is responsible for
+ * freeing any data.
+ */
+static int __must_check cec_devnode_register(struct cec_devnode *devnode,
+					     struct module *owner)
+{
+	int minor;
+	int ret;
+
+	/* Initialization */
+	INIT_LIST_HEAD(&devnode->fhs);
+	mutex_init(&devnode->lock);
+
+	/* Part 1: Find a free minor number */
+	mutex_lock(&cec_devnode_lock);
+	minor = find_next_zero_bit(cec_devnode_nums, CEC_NUM_DEVICES, 0);
+	if (minor == CEC_NUM_DEVICES) {
+		mutex_unlock(&cec_devnode_lock);
+		pr_err("could not get a free minor\n");
+		return -ENFILE;
+	}
+
+	set_bit(minor, cec_devnode_nums);
+	mutex_unlock(&cec_devnode_lock);
+
+	devnode->minor = minor;
+	devnode->dev.bus = &cec_bus_type;
+	devnode->dev.devt = MKDEV(MAJOR(cec_dev_t), minor);
+	devnode->dev.release = cec_devnode_release;
+	dev_set_name(&devnode->dev, "cec%d", devnode->minor);
+	device_initialize(&devnode->dev);
+
+	/* Part 2: Initialize and register the character device */
+	cdev_init(&devnode->cdev, &cec_devnode_fops);
+	devnode->cdev.kobj.parent = &devnode->dev.kobj;
+	devnode->cdev.owner = owner;
+
+	ret = cdev_add(&devnode->cdev, devnode->dev.devt, 1);
+	if (ret < 0) {
+		pr_err("%s: cdev_add failed\n", __func__);
+		goto clr_bit;
+	}
+
+	ret = device_add(&devnode->dev);
+	if (ret)
+		goto cdev_del;
+
+	devnode->registered = true;
+	return 0;
+
+cdev_del:
+	cdev_del(&devnode->cdev);
+clr_bit:
+	mutex_lock(&cec_devnode_lock);
+	clear_bit(devnode->minor, cec_devnode_nums);
+	mutex_unlock(&cec_devnode_lock);
+	return ret;
+}
+
+/*
+ * Unregister a cec device node
+ *
+ * This unregisters the passed device. Future open calls will be met with
+ * errors.
+ *
+ * This function can safely be called if the device node has never been
+ * registered or has already been unregistered.
+ */
+static void cec_devnode_unregister(struct cec_devnode *devnode)
+{
+	struct cec_fh *fh;
+
+	mutex_lock(&devnode->lock);
+
+	/* Check if devnode was never registered or already unregistered */
+	if (!devnode->registered || devnode->unregistered) {
+		mutex_unlock(&devnode->lock);
+		return;
+	}
+
+	list_for_each_entry(fh, &devnode->fhs, list)
+		wake_up_interruptible(&fh->wait);
+
+	devnode->registered = false;
+	devnode->unregistered = true;
+	mutex_unlock(&devnode->lock);
+
+	device_del(&devnode->dev);
+	cdev_del(&devnode->cdev);
+	put_device(&devnode->dev);
+}
+
+struct cec_adapter *cec_allocate_adapter(const struct cec_adap_ops *ops,
+					 void *priv, const char *name, u32 caps,
+					 u8 available_las)
+{
+	struct cec_adapter *adap;
+	int res;
+
+	if (WARN_ON(!caps))
+		return ERR_PTR(-EINVAL);
+	if (WARN_ON(!ops))
+		return ERR_PTR(-EINVAL);
+	if (WARN_ON(!available_las || available_las > CEC_MAX_LOG_ADDRS))
+		return ERR_PTR(-EINVAL);
+	adap = kzalloc(sizeof(*adap), GFP_KERNEL);
+	if (!adap)
+		return ERR_PTR(-ENOMEM);
+	strlcpy(adap->name, name, sizeof(adap->name));
+	adap->phys_addr = CEC_PHYS_ADDR_INVALID;
+	adap->log_addrs.cec_version = CEC_OP_CEC_VERSION_2_0;
+	adap->log_addrs.vendor_id = CEC_VENDOR_ID_NONE;
+	adap->capabilities = caps;
+	adap->available_log_addrs = available_las;
+	adap->sequence = 0;
+	adap->ops = ops;
+	adap->priv = priv;
+	memset(adap->phys_addrs, 0xff, sizeof(adap->phys_addrs));
+	mutex_init(&adap->lock);
+	INIT_LIST_HEAD(&adap->transmit_queue);
+	INIT_LIST_HEAD(&adap->wait_queue);
+	init_waitqueue_head(&adap->kthread_waitq);
+
+	adap->kthread = kthread_run(cec_thread_func, adap, "cec-%s", name);
+	if (IS_ERR(adap->kthread)) {
+		pr_err("cec-%s: kernel_thread() failed\n", name);
+		res = PTR_ERR(adap->kthread);
+		kfree(adap);
+		return ERR_PTR(res);
+	}
+
+	if (!(caps & CEC_CAP_RC))
+		return adap;
+
+#if IS_REACHABLE(CONFIG_RC_CORE)
+	/* Prepare the RC input device */
+	adap->rc = rc_allocate_device();
+	if (!adap->rc) {
+		pr_err("cec-%s: failed to allocate memory for rc_dev\n",
+		       name);
+		kthread_stop(adap->kthread);
+		kfree(adap);
+		return ERR_PTR(-ENOMEM);
+	}
+
+	snprintf(adap->input_name, sizeof(adap->input_name),
+		 "RC for %s", name);
+	snprintf(adap->input_phys, sizeof(adap->input_phys),
+		 "%s/input0", name);
+
+	adap->rc->input_name = adap->input_name;
+	adap->rc->input_phys = adap->input_phys;
+	adap->rc->input_id.bustype = BUS_CEC;
+	adap->rc->input_id.vendor = 0;
+	adap->rc->input_id.product = 0;
+	adap->rc->input_id.version = 1;
+	adap->rc->driver_type = RC_DRIVER_SCANCODE;
+	adap->rc->driver_name = CEC_NAME;
+	adap->rc->allowed_protocols = RC_BIT_CEC;
+	adap->rc->priv = adap;
+	adap->rc->map_name = RC_MAP_CEC;
+	adap->rc->timeout = MS_TO_NS(100);
+#else
+	adap->capabilities &= ~CEC_CAP_RC;
+#endif
+	return adap;
+}
+EXPORT_SYMBOL_GPL(cec_allocate_adapter);
+
+int cec_register_adapter(struct cec_adapter *adap,
+			 struct device *parent)
+{
+	int res;
+
+	if (IS_ERR_OR_NULL(adap))
+		return 0;
+
+	if (WARN_ON(!parent))
+		return -EINVAL;
+
+	adap->owner = parent->driver->owner;
+	adap->devnode.dev.parent = parent;
+
+#if IS_REACHABLE(CONFIG_RC_CORE)
+	adap->rc->dev.parent = parent;
+	if (adap->capabilities & CEC_CAP_RC) {
+		res = rc_register_device(adap->rc);
+
+		if (res) {
+			pr_err("cec-%s: failed to prepare input device\n",
+			       adap->name);
+			rc_free_device(adap->rc);
+			adap->rc = NULL;
+			return res;
+		}
+	}
+#endif
+
+	res = cec_devnode_register(&adap->devnode, adap->owner);
+	if (res) {
+#if IS_REACHABLE(CONFIG_RC_CORE)
+		/* Note: rc_unregister also calls rc_free */
+		rc_unregister_device(adap->rc);
+		adap->rc = NULL;
+#endif
+		return res;
+	}
+
+	dev_set_drvdata(&adap->devnode.dev, adap);
+#ifdef CONFIG_MEDIA_CEC_DEBUG
+	if (!top_cec_dir)
+		return 0;
+
+	adap->cec_dir = debugfs_create_dir(dev_name(&adap->devnode.dev), top_cec_dir);
+	if (IS_ERR_OR_NULL(adap->cec_dir)) {
+		pr_warn("cec-%s: Failed to create debugfs dir\n", adap->name);
+		return 0;
+	}
+	adap->status_file = debugfs_create_devm_seqfile(&adap->devnode.dev,
+		"status", adap->cec_dir, cec_adap_status);
+	if (IS_ERR_OR_NULL(adap->status_file)) {
+		pr_warn("cec-%s: Failed to create status file\n", adap->name);
+		debugfs_remove_recursive(adap->cec_dir);
+		adap->cec_dir = NULL;
+	}
+#endif
+	return 0;
+}
+EXPORT_SYMBOL_GPL(cec_register_adapter);
+
+void cec_unregister_adapter(struct cec_adapter *adap)
+{
+	if (IS_ERR_OR_NULL(adap))
+		return;
+
+#if IS_REACHABLE(CONFIG_RC_CORE)
+	/* Note: rc_unregister also calls rc_free */
+	rc_unregister_device(adap->rc);
+	adap->rc = NULL;
+#endif
+	debugfs_remove_recursive(adap->cec_dir);
+	cec_devnode_unregister(&adap->devnode);
+}
+EXPORT_SYMBOL_GPL(cec_unregister_adapter);
+
+void cec_delete_adapter(struct cec_adapter *adap)
+{
+	if (IS_ERR_OR_NULL(adap))
+		return;
+	mutex_lock(&adap->lock);
+	__cec_s_phys_addr(adap, CEC_PHYS_ADDR_INVALID, false);
+	mutex_unlock(&adap->lock);
+	kthread_stop(adap->kthread);
+	if (adap->kthread_config)
+		kthread_stop(adap->kthread_config);
+#if IS_REACHABLE(CONFIG_RC_CORE)
+	rc_free_device(adap->rc);
+#endif
+	kfree(adap);
+}
+EXPORT_SYMBOL_GPL(cec_delete_adapter);
+
+/*
+ *	Initialise cec for linux
+ */
+static int __init cec_devnode_init(void)
+{
+	int ret;
+
+	pr_info("Linux cec interface: v0.10\n");
+	ret = alloc_chrdev_region(&cec_dev_t, 0, CEC_NUM_DEVICES,
+				  CEC_NAME);
+	if (ret < 0) {
+		pr_warn("cec: unable to allocate major\n");
+		return ret;
+	}
+
+#ifdef CONFIG_MEDIA_CEC_DEBUG
+	top_cec_dir = debugfs_create_dir("cec", NULL);
+	if (IS_ERR_OR_NULL(top_cec_dir)) {
+		pr_warn("cec: Failed to create debugfs cec dir\n");
+		top_cec_dir = NULL;
+	}
+#endif
+
+	ret = bus_register(&cec_bus_type);
+	if (ret < 0) {
+		unregister_chrdev_region(cec_dev_t, CEC_NUM_DEVICES);
+		pr_warn("cec: bus_register failed\n");
+		return -EIO;
+	}
+
+	return 0;
+}
+
+static void __exit cec_devnode_exit(void)
+{
+	debugfs_remove_recursive(top_cec_dir);
+	bus_unregister(&cec_bus_type);
+	unregister_chrdev_region(cec_dev_t, CEC_NUM_DEVICES);
+}
+
+subsys_initcall(cec_devnode_init);
+module_exit(cec_devnode_exit)
+
+MODULE_AUTHOR("Hans Verkuil <hans.verkuil@cisco.com>");
+MODULE_DESCRIPTION("Device node registration for cec drivers");
+MODULE_LICENSE("GPL");
diff --git a/drivers/media/cec/cec-priv.h b/drivers/media/cec/cec-priv.h
new file mode 100644
index 000000000000..70767a7900f2
--- /dev/null
+++ b/drivers/media/cec/cec-priv.h
@@ -0,0 +1,56 @@
+/*
+ * cec-priv.h - HDMI Consumer Electronics Control internal header
+ *
+ * Copyright 2016 Cisco Systems, Inc. and/or its affiliates. All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#ifndef _CEC_PRIV_H
+#define _CEC_PRIV_H
+
+#include <linux/cec-funcs.h>
+#include <media/cec.h>
+
+#define dprintk(lvl, fmt, arg...)					\
+	do {								\
+		if (lvl <= cec_debug)					\
+			pr_info("cec-%s: " fmt, adap->name, ## arg);	\
+	} while (0)
+
+/* devnode to cec_adapter */
+#define to_cec_adapter(node) container_of(node, struct cec_adapter, devnode)
+
+/* cec-core.c */
+extern int cec_debug;
+int cec_get_device(struct cec_devnode *devnode);
+void cec_put_device(struct cec_devnode *devnode);
+
+/* cec-adap.c */
+int cec_monitor_all_cnt_inc(struct cec_adapter *adap);
+void cec_monitor_all_cnt_dec(struct cec_adapter *adap);
+int cec_adap_status(struct seq_file *file, void *priv);
+int cec_thread_func(void *_adap);
+void __cec_s_phys_addr(struct cec_adapter *adap, u16 phys_addr, bool block);
+int __cec_s_log_addrs(struct cec_adapter *adap,
+		      struct cec_log_addrs *log_addrs, bool block);
+int cec_transmit_msg_fh(struct cec_adapter *adap, struct cec_msg *msg,
+			struct cec_fh *fh, bool block);
+void cec_queue_event_fh(struct cec_fh *fh,
+			const struct cec_event *new_ev, u64 ts);
+
+/* cec-api.c */
+extern const struct file_operations cec_devnode_fops;
+
+#endif
diff --git a/drivers/media/common/b2c2/flexcop-common.h b/drivers/media/common/b2c2/flexcop-common.h
index 2b2460e9e6b4..2533574c0cf4 100644
--- a/drivers/media/common/b2c2/flexcop-common.h
+++ b/drivers/media/common/b2c2/flexcop-common.h
@@ -14,7 +14,6 @@
 
 #include "dmxdev.h"
 #include "dvb_demux.h"
-#include "dvb_filter.h"
 #include "dvb_net.h"
 #include "dvb_frontend.h"
 
diff --git a/drivers/media/common/b2c2/flexcop-eeprom.c b/drivers/media/common/b2c2/flexcop-eeprom.c
index a25373a9bd84..844c7836c2a6 100644
--- a/drivers/media/common/b2c2/flexcop-eeprom.c
+++ b/drivers/media/common/b2c2/flexcop-eeprom.c
@@ -136,8 +136,7 @@ int flexcop_eeprom_check_mac_addr(struct flexcop_device *fc, int extended)
 
 	if ((ret = flexcop_eeprom_lrc_read(fc,0x3f8,buf,8,4)) == 0) {
 		if (extended != 0) {
-			err("TODO: extended (EUI64) MAC addresses aren't "
-				"completely supported yet");
+			err("TODO: extended (EUI64) MAC addresses aren't completely supported yet");
 			ret = -EINVAL;
 		} else
 			memcpy(fc->dvb_adapter.proposed_mac,buf,6);
diff --git a/drivers/media/common/b2c2/flexcop-i2c.c b/drivers/media/common/b2c2/flexcop-i2c.c
index 965d5eb33752..58d39a59fc09 100644
--- a/drivers/media/common/b2c2/flexcop-i2c.c
+++ b/drivers/media/common/b2c2/flexcop-i2c.c
@@ -33,8 +33,8 @@ static int flexcop_i2c_operation(struct flexcop_device *fc,
 			return -EREMOTEIO;
 		}
 	}
-	deb_i2c("tried %d times i2c operation, "
-			"never finished or too many ack errors.\n", i);
+	deb_i2c("tried %d times i2c operation, never finished or too many ack errors.\n",
+		i);
 	return -EREMOTEIO;
 }
 
@@ -124,10 +124,10 @@ int flexcop_i2c_request(struct flexcop_i2c_adapter *i2c,
 #ifdef DUMP_I2C_MESSAGES
 	printk(KERN_DEBUG "%d ", i2c->port);
 	if (op == FC_READ)
-		printk("rd(");
+		printk(KERN_CONT "rd(");
 	else
-		printk("wr(");
-	printk("%02x): %02x ", chipaddr, addr);
+		printk(KERN_CONT "wr(");
+	printk(KERN_CONT "%02x): %02x ", chipaddr, addr);
 #endif
 
 	/* in that case addr is the only value ->
@@ -151,7 +151,7 @@ int flexcop_i2c_request(struct flexcop_i2c_adapter *i2c,
 
 #ifdef DUMP_I2C_MESSAGES
 		for (i = 0; i < bytes_to_transfer; i++)
-			printk("%02x ", buf[i]);
+			printk(KERN_CONT "%02x ", buf[i]);
 #endif
 
 		if (ret < 0)
@@ -163,7 +163,7 @@ int flexcop_i2c_request(struct flexcop_i2c_adapter *i2c,
 	}
 
 #ifdef DUMP_I2C_MESSAGES
-	printk("\n");
+	printk(KERN_CONT "\n");
 #endif
 
 	return 0;
diff --git a/drivers/media/common/b2c2/flexcop-misc.c b/drivers/media/common/b2c2/flexcop-misc.c
index b8eff235367d..bb0d95fe64f9 100644
--- a/drivers/media/common/b2c2/flexcop-misc.c
+++ b/drivers/media/common/b2c2/flexcop-misc.c
@@ -23,18 +23,15 @@ void flexcop_determine_revision(struct flexcop_device *fc)
 		fc->rev = FLEXCOP_III;
 		break;
 	default:
-		err("unknown FlexCop Revision: %x. Please report this to "
-				"linux-dvb@linuxtv.org.",
+		err("unknown FlexCop Revision: %x. Please report this to linux-dvb@linuxtv.org.",
 				v.misc_204.Rev_N_sig_revision_hi);
 		break;
 	}
 
 	if ((fc->has_32_hw_pid_filter = v.misc_204.Rev_N_sig_caps))
-		deb_info("this FlexCop has "
-				"the additional 32 hardware pid filter.\n");
+		deb_info("this FlexCop has the additional 32 hardware pid filter.\n");
 	else
-		deb_info("this FlexCop has "
-				"the 6 basic main hardware pid filter.\n");
+		deb_info("this FlexCop has the 6 basic main hardware pid filter.\n");
 	/* bus parts have to decide if hw pid filtering is used or not. */
 }
 
diff --git a/drivers/media/common/b2c2/flexcop.c b/drivers/media/common/b2c2/flexcop.c
index 0f5114d406f8..4338ab0043b4 100644
--- a/drivers/media/common/b2c2/flexcop.c
+++ b/drivers/media/common/b2c2/flexcop.c
@@ -46,8 +46,7 @@ int b2c2_flexcop_debug;
 EXPORT_SYMBOL_GPL(b2c2_flexcop_debug);
 module_param_named(debug, b2c2_flexcop_debug,  int, 0644);
 MODULE_PARM_DESC(debug,
-		"set debug level (1=info,2=tuner,4=i2c,8=ts,"
-		"16=sram,32=reg (|-able))."
+		"set debug level (1=info,2=tuner,4=i2c,8=ts,16=sram,32=reg (|-able))."
 		DEBSTATUS);
 #undef DEBSTATUS
 
diff --git a/drivers/media/common/cx2341x.c b/drivers/media/common/cx2341x.c
index 5e4afa0131e6..2725702eda7b 100644
--- a/drivers/media/common/cx2341x.c
+++ b/drivers/media/common/cx2341x.c
@@ -1190,8 +1190,8 @@ void cx2341x_log_status(const struct cx2341x_mpeg_params *p, const char *prefix)
 		prefix,
 		cx2341x_menu_item(p, V4L2_CID_MPEG_STREAM_TYPE));
 	if (p->stream_insert_nav_packets)
-		printk(" (with navigation packets)");
-	printk("\n");
+		printk(KERN_CONT " (with navigation packets)");
+	printk(KERN_CONT "\n");
 	printk(KERN_INFO "%s: VBI Format: %s\n",
 		prefix,
 		cx2341x_menu_item(p, V4L2_CID_MPEG_STREAM_VBI_FMT));
@@ -1209,8 +1209,8 @@ void cx2341x_log_status(const struct cx2341x_mpeg_params *p, const char *prefix)
 		cx2341x_menu_item(p, V4L2_CID_MPEG_VIDEO_BITRATE_MODE),
 		p->video_bitrate);
 	if (p->video_bitrate_mode == V4L2_MPEG_VIDEO_BITRATE_MODE_VBR)
-		printk(", Peak %d", p->video_bitrate_peak);
-	printk("\n");
+		printk(KERN_CONT ", Peak %d", p->video_bitrate_peak);
+	printk(KERN_CONT "\n");
 	printk(KERN_INFO
 		"%s: Video:  GOP Size %d, %d B-Frames, %sGOP Closure\n",
 		prefix,
@@ -1232,9 +1232,9 @@ void cx2341x_log_status(const struct cx2341x_mpeg_params *p, const char *prefix)
 		cx2341x_menu_item(p, V4L2_CID_MPEG_AUDIO_MODE),
 		p->audio_mute ? " (muted)" : "");
 	if (p->audio_mode == V4L2_MPEG_AUDIO_MODE_JOINT_STEREO)
-		printk(", %s", cx2341x_menu_item(p,
+		printk(KERN_CONT ", %s", cx2341x_menu_item(p,
 				V4L2_CID_MPEG_AUDIO_MODE_EXTENSION));
-	printk(", %s, %s\n",
+	printk(KERN_CONT ", %s, %s\n",
 		cx2341x_menu_item(p, V4L2_CID_MPEG_AUDIO_EMPHASIS),
 		cx2341x_menu_item(p, V4L2_CID_MPEG_AUDIO_CRC));
 
diff --git a/drivers/media/common/saa7146/saa7146_video.c b/drivers/media/common/saa7146/saa7146_video.c
index ea2f3bf7368b..e034bcfcf757 100644
--- a/drivers/media/common/saa7146/saa7146_video.c
+++ b/drivers/media/common/saa7146/saa7146_video.c
@@ -390,6 +390,7 @@ static int video_end(struct saa7146_fh *fh, struct file *file)
 {
 	struct saa7146_dev *dev = fh->dev;
 	struct saa7146_vv *vv = dev->vv_data;
+	struct saa7146_dmaqueue *q = &vv->video_dmaq;
 	struct saa7146_format *fmt = NULL;
 	unsigned long flags;
 	unsigned int resource;
@@ -428,6 +429,9 @@ static int video_end(struct saa7146_fh *fh, struct file *file)
 	/* shut down all used video dma transfers */
 	saa7146_write(dev, MC1, dmas);
 
+	if (q->curr)
+		saa7146_buffer_finish(dev, q, VIDEOBUF_DONE);
+
 	spin_unlock_irqrestore(&dev->slock, flags);
 
 	vv->video_fh = NULL;
diff --git a/drivers/media/common/siano/smsdvb-main.c b/drivers/media/common/siano/smsdvb-main.c
index 9148e14c9d07..affde1426b7a 100644
--- a/drivers/media/common/siano/smsdvb-main.c
+++ b/drivers/media/common/siano/smsdvb-main.c
@@ -1044,7 +1044,7 @@ static void smsdvb_release(struct dvb_frontend *fe)
 	/* do nothing */
 }
 
-static struct dvb_frontend_ops smsdvb_fe_ops = {
+static const struct dvb_frontend_ops smsdvb_fe_ops = {
 	.info = {
 		.name			= "Siano Mobile Digital MDTV Receiver",
 		.frequency_min		= 44250000,
diff --git a/drivers/media/common/tveeprom.c b/drivers/media/common/tveeprom.c
index 47da0378cad8..11976031aff8 100644
--- a/drivers/media/common/tveeprom.c
+++ b/drivers/media/common/tveeprom.c
@@ -28,6 +28,7 @@
  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 
 #include <linux/module.h>
 #include <linux/errno.h>
@@ -45,22 +46,9 @@ MODULE_DESCRIPTION("i2c Hauppauge eeprom decoder driver");
 MODULE_AUTHOR("John Klar");
 MODULE_LICENSE("GPL");
 
-static int debug;
-module_param(debug, int, 0644);
-MODULE_PARM_DESC(debug, "Debug level (0-1)");
-
 #define STRM(array, i) \
 	(i < sizeof(array) / sizeof(char *) ? array[i] : "unknown")
 
-#define tveeprom_info(fmt, arg...) \
-	v4l_printk(KERN_INFO, "tveeprom", c->adapter, c->addr, fmt , ## arg)
-#define tveeprom_warn(fmt, arg...) \
-	v4l_printk(KERN_WARNING, "tveeprom", c->adapter, c->addr, fmt , ## arg)
-#define tveeprom_dbg(fmt, arg...) do { \
-	if (debug) \
-		v4l_printk(KERN_DEBUG, "tveeprom", \
-				c->adapter, c->addr, fmt , ## arg); \
-	} while (0)
 
 /*
  * The Hauppauge eeprom uses an 8bit field to determine which
@@ -510,19 +498,13 @@ void tveeprom_hauppauge_analog(struct i2c_client *c, struct tveeprom *tvee,
 			len = eeprom_data[i] & 0x07;
 			++i;
 		} else {
-			tveeprom_warn("Encountered bad packet header [%02x]. "
-				"Corrupt or not a Hauppauge eeprom.\n",
+			pr_warn("Encountered bad packet header [%02x]. Corrupt or not a Hauppauge eeprom.\n",
 				eeprom_data[i]);
 			return;
 		}
 
-		if (debug) {
-			tveeprom_info("Tag [%02x] + %d bytes:",
-					eeprom_data[i], len - 1);
-			for (j = 1; j < len; j++)
-				printk(KERN_CONT " %02x", eeprom_data[i + j]);
-			printk(KERN_CONT "\n");
-		}
+		pr_debug("Tag [%02x] + %d bytes: %*ph\n",
+			eeprom_data[i], len - 1, len, &eeprom_data[i]);
 
 		/* process by tag */
 		tag = eeprom_data[i];
@@ -662,14 +644,14 @@ void tveeprom_hauppauge_analog(struct i2c_client *c, struct tveeprom *tvee,
 		/* case 0x12: tag 'InfoBits' */
 
 		default:
-			tveeprom_dbg("Not sure what to do with tag [%02x]\n",
+			pr_debug("Not sure what to do with tag [%02x]\n",
 					tag);
 			/* dump the rest of the packet? */
 		}
 	}
 
 	if (!done) {
-		tveeprom_warn("Ran out of data!\n");
+		pr_warn("Ran out of data!\n");
 		return;
 	}
 
@@ -682,8 +664,8 @@ void tveeprom_hauppauge_analog(struct i2c_client *c, struct tveeprom *tvee,
 	}
 
 	if (hasRadioTuner(tuner1) && !tvee->has_radio) {
-		tveeprom_info("The eeprom says no radio is present, but the tuner type\n");
-		tveeprom_info("indicates otherwise. I will assume that radio is present.\n");
+		pr_info("The eeprom says no radio is present, but the tuner type\n");
+		pr_info("indicates otherwise. I will assume that radio is present.\n");
 		tvee->has_radio = 1;
 	}
 
@@ -718,46 +700,46 @@ void tveeprom_hauppauge_analog(struct i2c_client *c, struct tveeprom *tvee,
 		}
 	}
 
-	tveeprom_info("Hauppauge model %d, rev %s, serial# %u\n",
+	pr_info("Hauppauge model %d, rev %s, serial# %u\n",
 		tvee->model, tvee->rev_str, tvee->serial_number);
 	if (tvee->has_MAC_address == 1)
-		tveeprom_info("MAC address is %pM\n", tvee->MAC_address);
-	tveeprom_info("tuner model is %s (idx %d, type %d)\n",
+		pr_info("MAC address is %pM\n", tvee->MAC_address);
+	pr_info("tuner model is %s (idx %d, type %d)\n",
 		t_name1, tuner1, tvee->tuner_type);
-	tveeprom_info("TV standards%s%s%s%s%s%s%s%s (eeprom 0x%02x)\n",
+	pr_info("TV standards%s%s%s%s%s%s%s%s (eeprom 0x%02x)\n",
 		t_fmt_name1[0], t_fmt_name1[1], t_fmt_name1[2],
 		t_fmt_name1[3],	t_fmt_name1[4], t_fmt_name1[5],
 		t_fmt_name1[6], t_fmt_name1[7],	t_format1);
 	if (tuner2)
-		tveeprom_info("second tuner model is %s (idx %d, type %d)\n",
+		pr_info("second tuner model is %s (idx %d, type %d)\n",
 					t_name2, tuner2, tvee->tuner2_type);
 	if (t_format2)
-		tveeprom_info("TV standards%s%s%s%s%s%s%s%s (eeprom 0x%02x)\n",
+		pr_info("TV standards%s%s%s%s%s%s%s%s (eeprom 0x%02x)\n",
 			t_fmt_name2[0], t_fmt_name2[1], t_fmt_name2[2],
 			t_fmt_name2[3],	t_fmt_name2[4], t_fmt_name2[5],
 			t_fmt_name2[6], t_fmt_name2[7], t_format2);
 	if (audioic < 0) {
-		tveeprom_info("audio processor is unknown (no idx)\n");
+		pr_info("audio processor is unknown (no idx)\n");
 		tvee->audio_processor = TVEEPROM_AUDPROC_OTHER;
 	} else {
 		if (audioic < ARRAY_SIZE(audio_ic))
-			tveeprom_info("audio processor is %s (idx %d)\n",
+			pr_info("audio processor is %s (idx %d)\n",
 					audio_ic[audioic].name, audioic);
 		else
-			tveeprom_info("audio processor is unknown (idx %d)\n",
+			pr_info("audio processor is unknown (idx %d)\n",
 								audioic);
 	}
 	if (tvee->decoder_processor)
-		tveeprom_info("decoder processor is %s (idx %d)\n",
+		pr_info("decoder processor is %s (idx %d)\n",
 			STRM(decoderIC, tvee->decoder_processor),
 			tvee->decoder_processor);
 	if (tvee->has_ir)
-		tveeprom_info("has %sradio, has %sIR receiver, has %sIR transmitter\n",
+		pr_info("has %sradio, has %sIR receiver, has %sIR transmitter\n",
 				tvee->has_radio ? "" : "no ",
 				(tvee->has_ir & 2) ? "" : "no ",
 				(tvee->has_ir & 4) ? "" : "no ");
 	else
-		tveeprom_info("has %sradio\n",
+		pr_info("has %sradio\n",
 				tvee->has_radio ? "" : "no ");
 }
 EXPORT_SYMBOL(tveeprom_hauppauge_analog);
@@ -773,26 +755,17 @@ int tveeprom_read(struct i2c_client *c, unsigned char *eedata, int len)
 	buf = 0;
 	err = i2c_master_send(c, &buf, 1);
 	if (err != 1) {
-		tveeprom_info("Huh, no eeprom present (err=%d)?\n", err);
+		pr_info("Huh, no eeprom present (err=%d)?\n", err);
 		return -1;
 	}
 	err = i2c_master_recv(c, eedata, len);
 	if (err != len) {
-		tveeprom_warn("i2c eeprom read error (err=%d)\n", err);
+		pr_warn("i2c eeprom read error (err=%d)\n", err);
 		return -1;
 	}
-	if (debug) {
-		int i;
-
-		tveeprom_info("full 256-byte eeprom dump:\n");
-		for (i = 0; i < len; i++) {
-			if (0 == (i % 16))
-				tveeprom_info("%02x:", i);
-			printk(KERN_CONT " %02x", eedata[i]);
-			if (15 == (i % 16))
-				printk(KERN_CONT "\n");
-		}
-	}
+
+	print_hex_dump_debug("full 256-byte eeprom dump:", DUMP_PREFIX_NONE,
+			     16, 1, eedata, len, true);
 	return 0;
 }
 EXPORT_SYMBOL(tveeprom_read);
diff --git a/drivers/media/common/v4l2-tpg/v4l2-tpg-core.c b/drivers/media/common/v4l2-tpg/v4l2-tpg-core.c
index 1684810cab83..e47b46e2d26c 100644
--- a/drivers/media/common/v4l2-tpg/v4l2-tpg-core.c
+++ b/drivers/media/common/v4l2-tpg/v4l2-tpg-core.c
@@ -117,6 +117,7 @@ void tpg_init(struct tpg_data *tpg, unsigned w, unsigned h)
 	tpg_s_fourcc(tpg, V4L2_PIX_FMT_RGB24);
 	tpg->colorspace = V4L2_COLORSPACE_SRGB;
 	tpg->perc_fill = 100;
+	tpg->hsv_enc = V4L2_HSV_ENC_180;
 }
 EXPORT_SYMBOL_GPL(tpg_init);
 
@@ -234,16 +235,18 @@ bool tpg_s_fourcc(struct tpg_data *tpg, u32 fourcc)
 	case V4L2_PIX_FMT_XBGR32:
 	case V4L2_PIX_FMT_ARGB32:
 	case V4L2_PIX_FMT_ABGR32:
+		tpg->color_enc = TGP_COLOR_ENC_RGB;
+		break;
 	case V4L2_PIX_FMT_GREY:
 	case V4L2_PIX_FMT_Y16:
 	case V4L2_PIX_FMT_Y16_BE:
-		tpg->is_yuv = false;
+		tpg->color_enc = TGP_COLOR_ENC_LUMA;
 		break;
 	case V4L2_PIX_FMT_YUV444:
 	case V4L2_PIX_FMT_YUV555:
 	case V4L2_PIX_FMT_YUV565:
 	case V4L2_PIX_FMT_YUV32:
-		tpg->is_yuv = true;
+		tpg->color_enc = TGP_COLOR_ENC_YCBCR;
 		break;
 	case V4L2_PIX_FMT_YUV420M:
 	case V4L2_PIX_FMT_YVU420M:
@@ -256,7 +259,7 @@ bool tpg_s_fourcc(struct tpg_data *tpg, u32 fourcc)
 		tpg->hdownsampling[1] = 2;
 		tpg->hdownsampling[2] = 2;
 		tpg->planes = 3;
-		tpg->is_yuv = true;
+		tpg->color_enc = TGP_COLOR_ENC_YCBCR;
 		break;
 	case V4L2_PIX_FMT_YUV422M:
 	case V4L2_PIX_FMT_YVU422M:
@@ -268,7 +271,7 @@ bool tpg_s_fourcc(struct tpg_data *tpg, u32 fourcc)
 		tpg->hdownsampling[1] = 2;
 		tpg->hdownsampling[2] = 2;
 		tpg->planes = 3;
-		tpg->is_yuv = true;
+		tpg->color_enc = TGP_COLOR_ENC_YCBCR;
 		break;
 	case V4L2_PIX_FMT_NV16M:
 	case V4L2_PIX_FMT_NV61M:
@@ -280,7 +283,7 @@ bool tpg_s_fourcc(struct tpg_data *tpg, u32 fourcc)
 		tpg->hdownsampling[1] = 1;
 		tpg->hmask[1] = ~1;
 		tpg->planes = 2;
-		tpg->is_yuv = true;
+		tpg->color_enc = TGP_COLOR_ENC_YCBCR;
 		break;
 	case V4L2_PIX_FMT_NV12M:
 	case V4L2_PIX_FMT_NV21M:
@@ -292,7 +295,7 @@ bool tpg_s_fourcc(struct tpg_data *tpg, u32 fourcc)
 		tpg->hdownsampling[1] = 1;
 		tpg->hmask[1] = ~1;
 		tpg->planes = 2;
-		tpg->is_yuv = true;
+		tpg->color_enc = TGP_COLOR_ENC_YCBCR;
 		break;
 	case V4L2_PIX_FMT_YUV444M:
 	case V4L2_PIX_FMT_YVU444M:
@@ -302,21 +305,25 @@ bool tpg_s_fourcc(struct tpg_data *tpg, u32 fourcc)
 		tpg->vdownsampling[2] = 1;
 		tpg->hdownsampling[1] = 1;
 		tpg->hdownsampling[2] = 1;
-		tpg->is_yuv = true;
+		tpg->color_enc = TGP_COLOR_ENC_YCBCR;
 		break;
 	case V4L2_PIX_FMT_NV24:
 	case V4L2_PIX_FMT_NV42:
 		tpg->vdownsampling[1] = 1;
 		tpg->hdownsampling[1] = 1;
 		tpg->planes = 2;
-		tpg->is_yuv = true;
+		tpg->color_enc = TGP_COLOR_ENC_YCBCR;
 		break;
 	case V4L2_PIX_FMT_YUYV:
 	case V4L2_PIX_FMT_UYVY:
 	case V4L2_PIX_FMT_YVYU:
 	case V4L2_PIX_FMT_VYUY:
 		tpg->hmask[0] = ~1;
-		tpg->is_yuv = true;
+		tpg->color_enc = TGP_COLOR_ENC_YCBCR;
+		break;
+	case V4L2_PIX_FMT_HSV24:
+	case V4L2_PIX_FMT_HSV32:
+		tpg->color_enc = TGP_COLOR_ENC_HSV;
 		break;
 	default:
 		return false;
@@ -351,6 +358,7 @@ bool tpg_s_fourcc(struct tpg_data *tpg, u32 fourcc)
 		break;
 	case V4L2_PIX_FMT_RGB24:
 	case V4L2_PIX_FMT_BGR24:
+	case V4L2_PIX_FMT_HSV24:
 		tpg->twopixelsize[0] = 2 * 3;
 		break;
 	case V4L2_PIX_FMT_BGR666:
@@ -361,6 +369,7 @@ bool tpg_s_fourcc(struct tpg_data *tpg, u32 fourcc)
 	case V4L2_PIX_FMT_ARGB32:
 	case V4L2_PIX_FMT_ABGR32:
 	case V4L2_PIX_FMT_YUV32:
+	case V4L2_PIX_FMT_HSV32:
 		tpg->twopixelsize[0] = 2 * 4;
 		break;
 	case V4L2_PIX_FMT_NV12:
@@ -490,6 +499,71 @@ static inline int linear_to_rec709(int v)
 	return tpg_linear_to_rec709[v];
 }
 
+static void color_to_hsv(struct tpg_data *tpg, int r, int g, int b,
+			   int *h, int *s, int *v)
+{
+	int max_rgb, min_rgb, diff_rgb;
+	int aux;
+	int third;
+	int third_size;
+
+	r >>= 4;
+	g >>= 4;
+	b >>= 4;
+
+	/* Value */
+	max_rgb = max3(r, g, b);
+	*v = max_rgb;
+	if (!max_rgb) {
+		*h = 0;
+		*s = 0;
+		return;
+	}
+
+	/* Saturation */
+	min_rgb = min3(r, g, b);
+	diff_rgb = max_rgb - min_rgb;
+	aux = 255 * diff_rgb;
+	aux += max_rgb / 2;
+	aux /= max_rgb;
+	*s = aux;
+	if (!aux) {
+		*h = 0;
+		return;
+	}
+
+	third_size = (tpg->real_hsv_enc == V4L2_HSV_ENC_180) ? 60 : 85;
+
+	/* Hue */
+	if (max_rgb == r) {
+		aux =  g - b;
+		third = 0;
+	} else if (max_rgb == g) {
+		aux =  b - r;
+		third = third_size;
+	} else {
+		aux =  r - g;
+		third = third_size * 2;
+	}
+
+	aux *= third_size / 2;
+	aux += diff_rgb / 2;
+	aux /= diff_rgb;
+	aux += third;
+
+	/* Clamp Hue */
+	if (tpg->real_hsv_enc == V4L2_HSV_ENC_180) {
+		if (aux < 0)
+			aux += 180;
+		else if (aux > 180)
+			aux -= 180;
+	} else {
+		aux = aux & 0xff;
+	}
+
+	*h = aux;
+}
+
 static void rgb2ycbcr(const int m[3][3], int r, int g, int b,
 			int y_offset, int *y, int *cb, int *cr)
 {
@@ -729,6 +803,8 @@ static void precalculate_color(struct tpg_data *tpg, int k)
 	int r = tpg_colors[col].r;
 	int g = tpg_colors[col].g;
 	int b = tpg_colors[col].b;
+	int y, cb, cr;
+	bool ycbcr_valid = false;
 
 	if (k == TPG_COLOR_TEXTBG) {
 		col = tpg_get_textbg_color(tpg);
@@ -759,9 +835,9 @@ static void precalculate_color(struct tpg_data *tpg, int k)
 		g <<= 4;
 		b <<= 4;
 	}
-	if (tpg->qual == TPG_QUAL_GRAY || tpg->fourcc == V4L2_PIX_FMT_GREY ||
-	    tpg->fourcc == V4L2_PIX_FMT_Y16 ||
-	    tpg->fourcc == V4L2_PIX_FMT_Y16_BE) {
+
+	if (tpg->qual == TPG_QUAL_GRAY ||
+	    tpg->color_enc ==  TGP_COLOR_ENC_LUMA) {
 		/* Rec. 709 Luma function */
 		/* (0.2126, 0.7152, 0.0722) * (255 * 256) */
 		r = g = b = (13879 * r + 46688 * g + 4713 * b) >> 16;
@@ -775,7 +851,8 @@ static void precalculate_color(struct tpg_data *tpg, int k)
 	 * Remember that r, g and b are still in the 0 - 0xff0 range.
 	 */
 	if (tpg->real_rgb_range == V4L2_DV_RGB_RANGE_LIMITED &&
-	    tpg->rgb_range == V4L2_DV_RGB_RANGE_FULL && !tpg->is_yuv) {
+	    tpg->rgb_range == V4L2_DV_RGB_RANGE_FULL &&
+	    tpg->color_enc == TGP_COLOR_ENC_RGB) {
 		/*
 		 * Convert from full range (which is what r, g and b are)
 		 * to limited range (which is the 'real' RGB range), which
@@ -785,7 +862,9 @@ static void precalculate_color(struct tpg_data *tpg, int k)
 		g = (g * 219) / 255 + (16 << 4);
 		b = (b * 219) / 255 + (16 << 4);
 	} else if (tpg->real_rgb_range != V4L2_DV_RGB_RANGE_LIMITED &&
-		   tpg->rgb_range == V4L2_DV_RGB_RANGE_LIMITED && !tpg->is_yuv) {
+		   tpg->rgb_range == V4L2_DV_RGB_RANGE_LIMITED &&
+		   tpg->color_enc == TGP_COLOR_ENC_RGB) {
+
 		/*
 		 * Clamp r, g and b to the limited range and convert to full
 		 * range since that's what we deliver.
@@ -798,10 +877,10 @@ static void precalculate_color(struct tpg_data *tpg, int k)
 		b = (b - (16 << 4)) * 255 / 219;
 	}
 
-	if (tpg->brightness != 128 || tpg->contrast != 128 ||
-	    tpg->saturation != 128 || tpg->hue) {
+	if ((tpg->brightness != 128 || tpg->contrast != 128 ||
+	     tpg->saturation != 128 || tpg->hue) &&
+	    tpg->color_enc != TGP_COLOR_ENC_LUMA) {
 		/* Implement these operations */
-		int y, cb, cr;
 		int tmp_cb, tmp_cr;
 
 		/* First convert to YCbCr */
@@ -818,29 +897,45 @@ static void precalculate_color(struct tpg_data *tpg, int k)
 
 		cb = (128 << 4) + (tmp_cb * tpg->contrast * tpg->saturation) / (128 * 128);
 		cr = (128 << 4) + (tmp_cr * tpg->contrast * tpg->saturation) / (128 * 128);
-		if (tpg->is_yuv) {
-			tpg->colors[k][0] = clamp(y >> 4, 1, 254);
-			tpg->colors[k][1] = clamp(cb >> 4, 1, 254);
-			tpg->colors[k][2] = clamp(cr >> 4, 1, 254);
-			return;
-		}
-		ycbcr_to_color(tpg, y, cb, cr, &r, &g, &b);
+		if (tpg->color_enc == TGP_COLOR_ENC_YCBCR)
+			ycbcr_valid = true;
+		else
+			ycbcr_to_color(tpg, y, cb, cr, &r, &g, &b);
+	} else if ((tpg->brightness != 128 || tpg->contrast != 128) &&
+		   tpg->color_enc == TGP_COLOR_ENC_LUMA) {
+		r = (16 << 4) + ((r - (16 << 4)) * tpg->contrast) / 128;
+		r += (tpg->brightness << 4) - (128 << 4);
 	}
 
-	if (tpg->is_yuv) {
-		/* Convert to YCbCr */
-		int y, cb, cr;
+	switch (tpg->color_enc) {
+	case TGP_COLOR_ENC_HSV:
+	{
+		int h, s, v;
 
-		color_to_ycbcr(tpg, r, g, b, &y, &cb, &cr);
+		color_to_hsv(tpg, r, g, b, &h, &s, &v);
+		tpg->colors[k][0] = h;
+		tpg->colors[k][1] = s;
+		tpg->colors[k][2] = v;
+		break;
+	}
+	case TGP_COLOR_ENC_YCBCR:
+	{
+		/* Convert to YCbCr */
+		if (!ycbcr_valid)
+			color_to_ycbcr(tpg, r, g, b, &y, &cb, &cr);
 
+		y >>= 4;
+		cb >>= 4;
+		cr >>= 4;
 		if (tpg->real_quantization == V4L2_QUANTIZATION_LIM_RANGE) {
-			y = clamp(y, 16 << 4, 235 << 4);
-			cb = clamp(cb, 16 << 4, 240 << 4);
-			cr = clamp(cr, 16 << 4, 240 << 4);
+			y = clamp(y, 16, 235);
+			cb = clamp(cb, 16, 240);
+			cr = clamp(cr, 16, 240);
+		} else {
+			y = clamp(y, 1, 254);
+			cb = clamp(cb, 1, 254);
+			cr = clamp(cr, 1, 254);
 		}
-		y = clamp(y >> 4, 1, 254);
-		cb = clamp(cb >> 4, 1, 254);
-		cr = clamp(cr >> 4, 1, 254);
 		switch (tpg->fourcc) {
 		case V4L2_PIX_FMT_YUV444:
 			y >>= 4;
@@ -861,7 +956,15 @@ static void precalculate_color(struct tpg_data *tpg, int k)
 		tpg->colors[k][0] = y;
 		tpg->colors[k][1] = cb;
 		tpg->colors[k][2] = cr;
-	} else {
+		break;
+	}
+	case TGP_COLOR_ENC_LUMA:
+	{
+		tpg->colors[k][0] = r >> 4;
+		break;
+	}
+	case TGP_COLOR_ENC_RGB:
+	{
 		if (tpg->real_quantization == V4L2_QUANTIZATION_LIM_RANGE) {
 			r = (r * 219) / 255 + (16 << 4);
 			g = (g * 219) / 255 + (16 << 4);
@@ -911,6 +1014,8 @@ static void precalculate_color(struct tpg_data *tpg, int k)
 		tpg->colors[k][0] = r;
 		tpg->colors[k][1] = g;
 		tpg->colors[k][2] = b;
+		break;
+	}
 	}
 }
 
@@ -928,7 +1033,7 @@ static void gen_twopix(struct tpg_data *tpg,
 {
 	unsigned offset = odd * tpg->twopixelsize[0] / 2;
 	u8 alpha = tpg->alpha_component;
-	u8 r_y, g_u, b_v;
+	u8 r_y_h, g_u_s, b_v;
 
 	if (tpg->alpha_red_only && color != TPG_COLOR_CSC_RED &&
 				   color != TPG_COLOR_100_RED &&
@@ -936,161 +1041,161 @@ static void gen_twopix(struct tpg_data *tpg,
 		alpha = 0;
 	if (color == TPG_COLOR_RANDOM)
 		precalculate_color(tpg, color);
-	r_y = tpg->colors[color][0]; /* R or precalculated Y */
-	g_u = tpg->colors[color][1]; /* G or precalculated U */
+	r_y_h = tpg->colors[color][0]; /* R or precalculated Y, H */
+	g_u_s = tpg->colors[color][1]; /* G or precalculated U, V */
 	b_v = tpg->colors[color][2]; /* B or precalculated V */
 
 	switch (tpg->fourcc) {
 	case V4L2_PIX_FMT_GREY:
-		buf[0][offset] = r_y;
+		buf[0][offset] = r_y_h;
 		break;
 	case V4L2_PIX_FMT_Y16:
 		/*
-		 * Ideally both bytes should be set to r_y, but then you won't
+		 * Ideally both bytes should be set to r_y_h, but then you won't
 		 * be able to detect endian problems. So keep it 0 except for
-		 * the corner case where r_y is 0xff so white really will be
+		 * the corner case where r_y_h is 0xff so white really will be
 		 * white (0xffff).
 		 */
-		buf[0][offset] = r_y == 0xff ? r_y : 0;
-		buf[0][offset+1] = r_y;
+		buf[0][offset] = r_y_h == 0xff ? r_y_h : 0;
+		buf[0][offset+1] = r_y_h;
 		break;
 	case V4L2_PIX_FMT_Y16_BE:
 		/* See comment for V4L2_PIX_FMT_Y16 above */
-		buf[0][offset] = r_y;
-		buf[0][offset+1] = r_y == 0xff ? r_y : 0;
+		buf[0][offset] = r_y_h;
+		buf[0][offset+1] = r_y_h == 0xff ? r_y_h : 0;
 		break;
 	case V4L2_PIX_FMT_YUV422M:
 	case V4L2_PIX_FMT_YUV422P:
 	case V4L2_PIX_FMT_YUV420:
 	case V4L2_PIX_FMT_YUV420M:
-		buf[0][offset] = r_y;
+		buf[0][offset] = r_y_h;
 		if (odd) {
-			buf[1][0] = (buf[1][0] + g_u) / 2;
+			buf[1][0] = (buf[1][0] + g_u_s) / 2;
 			buf[2][0] = (buf[2][0] + b_v) / 2;
 			buf[1][1] = buf[1][0];
 			buf[2][1] = buf[2][0];
 			break;
 		}
-		buf[1][0] = g_u;
+		buf[1][0] = g_u_s;
 		buf[2][0] = b_v;
 		break;
 	case V4L2_PIX_FMT_YVU422M:
 	case V4L2_PIX_FMT_YVU420:
 	case V4L2_PIX_FMT_YVU420M:
-		buf[0][offset] = r_y;
+		buf[0][offset] = r_y_h;
 		if (odd) {
 			buf[1][0] = (buf[1][0] + b_v) / 2;
-			buf[2][0] = (buf[2][0] + g_u) / 2;
+			buf[2][0] = (buf[2][0] + g_u_s) / 2;
 			buf[1][1] = buf[1][0];
 			buf[2][1] = buf[2][0];
 			break;
 		}
 		buf[1][0] = b_v;
-		buf[2][0] = g_u;
+		buf[2][0] = g_u_s;
 		break;
 
 	case V4L2_PIX_FMT_NV12:
 	case V4L2_PIX_FMT_NV12M:
 	case V4L2_PIX_FMT_NV16:
 	case V4L2_PIX_FMT_NV16M:
-		buf[0][offset] = r_y;
+		buf[0][offset] = r_y_h;
 		if (odd) {
-			buf[1][0] = (buf[1][0] + g_u) / 2;
+			buf[1][0] = (buf[1][0] + g_u_s) / 2;
 			buf[1][1] = (buf[1][1] + b_v) / 2;
 			break;
 		}
-		buf[1][0] = g_u;
+		buf[1][0] = g_u_s;
 		buf[1][1] = b_v;
 		break;
 	case V4L2_PIX_FMT_NV21:
 	case V4L2_PIX_FMT_NV21M:
 	case V4L2_PIX_FMT_NV61:
 	case V4L2_PIX_FMT_NV61M:
-		buf[0][offset] = r_y;
+		buf[0][offset] = r_y_h;
 		if (odd) {
 			buf[1][0] = (buf[1][0] + b_v) / 2;
-			buf[1][1] = (buf[1][1] + g_u) / 2;
+			buf[1][1] = (buf[1][1] + g_u_s) / 2;
 			break;
 		}
 		buf[1][0] = b_v;
-		buf[1][1] = g_u;
+		buf[1][1] = g_u_s;
 		break;
 
 	case V4L2_PIX_FMT_YUV444M:
-		buf[0][offset] = r_y;
-		buf[1][offset] = g_u;
+		buf[0][offset] = r_y_h;
+		buf[1][offset] = g_u_s;
 		buf[2][offset] = b_v;
 		break;
 
 	case V4L2_PIX_FMT_YVU444M:
-		buf[0][offset] = r_y;
+		buf[0][offset] = r_y_h;
 		buf[1][offset] = b_v;
-		buf[2][offset] = g_u;
+		buf[2][offset] = g_u_s;
 		break;
 
 	case V4L2_PIX_FMT_NV24:
-		buf[0][offset] = r_y;
-		buf[1][2 * offset] = g_u;
+		buf[0][offset] = r_y_h;
+		buf[1][2 * offset] = g_u_s;
 		buf[1][2 * offset + 1] = b_v;
 		break;
 
 	case V4L2_PIX_FMT_NV42:
-		buf[0][offset] = r_y;
+		buf[0][offset] = r_y_h;
 		buf[1][2 * offset] = b_v;
-		buf[1][2 * offset + 1] = g_u;
+		buf[1][2 * offset + 1] = g_u_s;
 		break;
 
 	case V4L2_PIX_FMT_YUYV:
-		buf[0][offset] = r_y;
+		buf[0][offset] = r_y_h;
 		if (odd) {
-			buf[0][1] = (buf[0][1] + g_u) / 2;
+			buf[0][1] = (buf[0][1] + g_u_s) / 2;
 			buf[0][3] = (buf[0][3] + b_v) / 2;
 			break;
 		}
-		buf[0][1] = g_u;
+		buf[0][1] = g_u_s;
 		buf[0][3] = b_v;
 		break;
 	case V4L2_PIX_FMT_UYVY:
-		buf[0][offset + 1] = r_y;
+		buf[0][offset + 1] = r_y_h;
 		if (odd) {
-			buf[0][0] = (buf[0][0] + g_u) / 2;
+			buf[0][0] = (buf[0][0] + g_u_s) / 2;
 			buf[0][2] = (buf[0][2] + b_v) / 2;
 			break;
 		}
-		buf[0][0] = g_u;
+		buf[0][0] = g_u_s;
 		buf[0][2] = b_v;
 		break;
 	case V4L2_PIX_FMT_YVYU:
-		buf[0][offset] = r_y;
+		buf[0][offset] = r_y_h;
 		if (odd) {
 			buf[0][1] = (buf[0][1] + b_v) / 2;
-			buf[0][3] = (buf[0][3] + g_u) / 2;
+			buf[0][3] = (buf[0][3] + g_u_s) / 2;
 			break;
 		}
 		buf[0][1] = b_v;
-		buf[0][3] = g_u;
+		buf[0][3] = g_u_s;
 		break;
 	case V4L2_PIX_FMT_VYUY:
-		buf[0][offset + 1] = r_y;
+		buf[0][offset + 1] = r_y_h;
 		if (odd) {
 			buf[0][0] = (buf[0][0] + b_v) / 2;
-			buf[0][2] = (buf[0][2] + g_u) / 2;
+			buf[0][2] = (buf[0][2] + g_u_s) / 2;
 			break;
 		}
 		buf[0][0] = b_v;
-		buf[0][2] = g_u;
+		buf[0][2] = g_u_s;
 		break;
 	case V4L2_PIX_FMT_RGB332:
-		buf[0][offset] = (r_y << 5) | (g_u << 2) | b_v;
+		buf[0][offset] = (r_y_h << 5) | (g_u_s << 2) | b_v;
 		break;
 	case V4L2_PIX_FMT_YUV565:
 	case V4L2_PIX_FMT_RGB565:
-		buf[0][offset] = (g_u << 5) | b_v;
-		buf[0][offset + 1] = (r_y << 3) | (g_u >> 3);
+		buf[0][offset] = (g_u_s << 5) | b_v;
+		buf[0][offset + 1] = (r_y_h << 3) | (g_u_s >> 3);
 		break;
 	case V4L2_PIX_FMT_RGB565X:
-		buf[0][offset] = (r_y << 3) | (g_u >> 3);
-		buf[0][offset + 1] = (g_u << 5) | b_v;
+		buf[0][offset] = (r_y_h << 3) | (g_u_s >> 3);
+		buf[0][offset + 1] = (g_u_s << 5) | b_v;
 		break;
 	case V4L2_PIX_FMT_RGB444:
 	case V4L2_PIX_FMT_XRGB444:
@@ -1098,8 +1203,8 @@ static void gen_twopix(struct tpg_data *tpg,
 		/* fall through */
 	case V4L2_PIX_FMT_YUV444:
 	case V4L2_PIX_FMT_ARGB444:
-		buf[0][offset] = (g_u << 4) | b_v;
-		buf[0][offset + 1] = (alpha & 0xf0) | r_y;
+		buf[0][offset] = (g_u_s << 4) | b_v;
+		buf[0][offset + 1] = (alpha & 0xf0) | r_y_h;
 		break;
 	case V4L2_PIX_FMT_RGB555:
 	case V4L2_PIX_FMT_XRGB555:
@@ -1107,42 +1212,45 @@ static void gen_twopix(struct tpg_data *tpg,
 		/* fall through */
 	case V4L2_PIX_FMT_YUV555:
 	case V4L2_PIX_FMT_ARGB555:
-		buf[0][offset] = (g_u << 5) | b_v;
-		buf[0][offset + 1] = (alpha & 0x80) | (r_y << 2) | (g_u >> 3);
+		buf[0][offset] = (g_u_s << 5) | b_v;
+		buf[0][offset + 1] = (alpha & 0x80) | (r_y_h << 2)
+						    | (g_u_s >> 3);
 		break;
 	case V4L2_PIX_FMT_RGB555X:
 	case V4L2_PIX_FMT_XRGB555X:
 		alpha = 0;
 		/* fall through */
 	case V4L2_PIX_FMT_ARGB555X:
-		buf[0][offset] = (alpha & 0x80) | (r_y << 2) | (g_u >> 3);
-		buf[0][offset + 1] = (g_u << 5) | b_v;
+		buf[0][offset] = (alpha & 0x80) | (r_y_h << 2) | (g_u_s >> 3);
+		buf[0][offset + 1] = (g_u_s << 5) | b_v;
 		break;
 	case V4L2_PIX_FMT_RGB24:
-		buf[0][offset] = r_y;
-		buf[0][offset + 1] = g_u;
+	case V4L2_PIX_FMT_HSV24:
+		buf[0][offset] = r_y_h;
+		buf[0][offset + 1] = g_u_s;
 		buf[0][offset + 2] = b_v;
 		break;
 	case V4L2_PIX_FMT_BGR24:
 		buf[0][offset] = b_v;
-		buf[0][offset + 1] = g_u;
-		buf[0][offset + 2] = r_y;
+		buf[0][offset + 1] = g_u_s;
+		buf[0][offset + 2] = r_y_h;
 		break;
 	case V4L2_PIX_FMT_BGR666:
-		buf[0][offset] = (b_v << 2) | (g_u >> 4);
-		buf[0][offset + 1] = (g_u << 4) | (r_y >> 2);
-		buf[0][offset + 2] = r_y << 6;
+		buf[0][offset] = (b_v << 2) | (g_u_s >> 4);
+		buf[0][offset + 1] = (g_u_s << 4) | (r_y_h >> 2);
+		buf[0][offset + 2] = r_y_h << 6;
 		buf[0][offset + 3] = 0;
 		break;
 	case V4L2_PIX_FMT_RGB32:
 	case V4L2_PIX_FMT_XRGB32:
+	case V4L2_PIX_FMT_HSV32:
 		alpha = 0;
 		/* fall through */
 	case V4L2_PIX_FMT_YUV32:
 	case V4L2_PIX_FMT_ARGB32:
 		buf[0][offset] = alpha;
-		buf[0][offset + 1] = r_y;
-		buf[0][offset + 2] = g_u;
+		buf[0][offset + 1] = r_y_h;
+		buf[0][offset + 2] = g_u_s;
 		buf[0][offset + 3] = b_v;
 		break;
 	case V4L2_PIX_FMT_BGR32:
@@ -1151,87 +1259,87 @@ static void gen_twopix(struct tpg_data *tpg,
 		/* fall through */
 	case V4L2_PIX_FMT_ABGR32:
 		buf[0][offset] = b_v;
-		buf[0][offset + 1] = g_u;
-		buf[0][offset + 2] = r_y;
+		buf[0][offset + 1] = g_u_s;
+		buf[0][offset + 2] = r_y_h;
 		buf[0][offset + 3] = alpha;
 		break;
 	case V4L2_PIX_FMT_SBGGR8:
-		buf[0][offset] = odd ? g_u : b_v;
-		buf[1][offset] = odd ? r_y : g_u;
+		buf[0][offset] = odd ? g_u_s : b_v;
+		buf[1][offset] = odd ? r_y_h : g_u_s;
 		break;
 	case V4L2_PIX_FMT_SGBRG8:
-		buf[0][offset] = odd ? b_v : g_u;
-		buf[1][offset] = odd ? g_u : r_y;
+		buf[0][offset] = odd ? b_v : g_u_s;
+		buf[1][offset] = odd ? g_u_s : r_y_h;
 		break;
 	case V4L2_PIX_FMT_SGRBG8:
-		buf[0][offset] = odd ? r_y : g_u;
-		buf[1][offset] = odd ? g_u : b_v;
+		buf[0][offset] = odd ? r_y_h : g_u_s;
+		buf[1][offset] = odd ? g_u_s : b_v;
 		break;
 	case V4L2_PIX_FMT_SRGGB8:
-		buf[0][offset] = odd ? g_u : r_y;
-		buf[1][offset] = odd ? b_v : g_u;
+		buf[0][offset] = odd ? g_u_s : r_y_h;
+		buf[1][offset] = odd ? b_v : g_u_s;
 		break;
 	case V4L2_PIX_FMT_SBGGR10:
-		buf[0][offset] = odd ? g_u << 2 : b_v << 2;
-		buf[0][offset + 1] = odd ? g_u >> 6 : b_v >> 6;
-		buf[1][offset] = odd ? r_y << 2 : g_u << 2;
-		buf[1][offset + 1] = odd ? r_y >> 6 : g_u >> 6;
+		buf[0][offset] = odd ? g_u_s << 2 : b_v << 2;
+		buf[0][offset + 1] = odd ? g_u_s >> 6 : b_v >> 6;
+		buf[1][offset] = odd ? r_y_h << 2 : g_u_s << 2;
+		buf[1][offset + 1] = odd ? r_y_h >> 6 : g_u_s >> 6;
 		buf[0][offset] |= (buf[0][offset] >> 2) & 3;
 		buf[1][offset] |= (buf[1][offset] >> 2) & 3;
 		break;
 	case V4L2_PIX_FMT_SGBRG10:
-		buf[0][offset] = odd ? b_v << 2 : g_u << 2;
-		buf[0][offset + 1] = odd ? b_v >> 6 : g_u >> 6;
-		buf[1][offset] = odd ? g_u << 2 : r_y << 2;
-		buf[1][offset + 1] = odd ? g_u >> 6 : r_y >> 6;
+		buf[0][offset] = odd ? b_v << 2 : g_u_s << 2;
+		buf[0][offset + 1] = odd ? b_v >> 6 : g_u_s >> 6;
+		buf[1][offset] = odd ? g_u_s << 2 : r_y_h << 2;
+		buf[1][offset + 1] = odd ? g_u_s >> 6 : r_y_h >> 6;
 		buf[0][offset] |= (buf[0][offset] >> 2) & 3;
 		buf[1][offset] |= (buf[1][offset] >> 2) & 3;
 		break;
 	case V4L2_PIX_FMT_SGRBG10:
-		buf[0][offset] = odd ? r_y << 2 : g_u << 2;
-		buf[0][offset + 1] = odd ? r_y >> 6 : g_u >> 6;
-		buf[1][offset] = odd ? g_u << 2 : b_v << 2;
-		buf[1][offset + 1] = odd ? g_u >> 6 : b_v >> 6;
+		buf[0][offset] = odd ? r_y_h << 2 : g_u_s << 2;
+		buf[0][offset + 1] = odd ? r_y_h >> 6 : g_u_s >> 6;
+		buf[1][offset] = odd ? g_u_s << 2 : b_v << 2;
+		buf[1][offset + 1] = odd ? g_u_s >> 6 : b_v >> 6;
 		buf[0][offset] |= (buf[0][offset] >> 2) & 3;
 		buf[1][offset] |= (buf[1][offset] >> 2) & 3;
 		break;
 	case V4L2_PIX_FMT_SRGGB10:
-		buf[0][offset] = odd ? g_u << 2 : r_y << 2;
-		buf[0][offset + 1] = odd ? g_u >> 6 : r_y >> 6;
-		buf[1][offset] = odd ? b_v << 2 : g_u << 2;
-		buf[1][offset + 1] = odd ? b_v >> 6 : g_u >> 6;
+		buf[0][offset] = odd ? g_u_s << 2 : r_y_h << 2;
+		buf[0][offset + 1] = odd ? g_u_s >> 6 : r_y_h >> 6;
+		buf[1][offset] = odd ? b_v << 2 : g_u_s << 2;
+		buf[1][offset + 1] = odd ? b_v >> 6 : g_u_s >> 6;
 		buf[0][offset] |= (buf[0][offset] >> 2) & 3;
 		buf[1][offset] |= (buf[1][offset] >> 2) & 3;
 		break;
 	case V4L2_PIX_FMT_SBGGR12:
-		buf[0][offset] = odd ? g_u << 4 : b_v << 4;
-		buf[0][offset + 1] = odd ? g_u >> 4 : b_v >> 4;
-		buf[1][offset] = odd ? r_y << 4 : g_u << 4;
-		buf[1][offset + 1] = odd ? r_y >> 4 : g_u >> 4;
+		buf[0][offset] = odd ? g_u_s << 4 : b_v << 4;
+		buf[0][offset + 1] = odd ? g_u_s >> 4 : b_v >> 4;
+		buf[1][offset] = odd ? r_y_h << 4 : g_u_s << 4;
+		buf[1][offset + 1] = odd ? r_y_h >> 4 : g_u_s >> 4;
 		buf[0][offset] |= (buf[0][offset] >> 4) & 0xf;
 		buf[1][offset] |= (buf[1][offset] >> 4) & 0xf;
 		break;
 	case V4L2_PIX_FMT_SGBRG12:
-		buf[0][offset] = odd ? b_v << 4 : g_u << 4;
-		buf[0][offset + 1] = odd ? b_v >> 4 : g_u >> 4;
-		buf[1][offset] = odd ? g_u << 4 : r_y << 4;
-		buf[1][offset + 1] = odd ? g_u >> 4 : r_y >> 4;
+		buf[0][offset] = odd ? b_v << 4 : g_u_s << 4;
+		buf[0][offset + 1] = odd ? b_v >> 4 : g_u_s >> 4;
+		buf[1][offset] = odd ? g_u_s << 4 : r_y_h << 4;
+		buf[1][offset + 1] = odd ? g_u_s >> 4 : r_y_h >> 4;
 		buf[0][offset] |= (buf[0][offset] >> 4) & 0xf;
 		buf[1][offset] |= (buf[1][offset] >> 4) & 0xf;
 		break;
 	case V4L2_PIX_FMT_SGRBG12:
-		buf[0][offset] = odd ? r_y << 4 : g_u << 4;
-		buf[0][offset + 1] = odd ? r_y >> 4 : g_u >> 4;
-		buf[1][offset] = odd ? g_u << 4 : b_v << 4;
-		buf[1][offset + 1] = odd ? g_u >> 4 : b_v >> 4;
+		buf[0][offset] = odd ? r_y_h << 4 : g_u_s << 4;
+		buf[0][offset + 1] = odd ? r_y_h >> 4 : g_u_s >> 4;
+		buf[1][offset] = odd ? g_u_s << 4 : b_v << 4;
+		buf[1][offset + 1] = odd ? g_u_s >> 4 : b_v >> 4;
 		buf[0][offset] |= (buf[0][offset] >> 4) & 0xf;
 		buf[1][offset] |= (buf[1][offset] >> 4) & 0xf;
 		break;
 	case V4L2_PIX_FMT_SRGGB12:
-		buf[0][offset] = odd ? g_u << 4 : r_y << 4;
-		buf[0][offset + 1] = odd ? g_u >> 4 : r_y >> 4;
-		buf[1][offset] = odd ? b_v << 4 : g_u << 4;
-		buf[1][offset + 1] = odd ? b_v >> 4 : g_u >> 4;
+		buf[0][offset] = odd ? g_u_s << 4 : r_y_h << 4;
+		buf[0][offset + 1] = odd ? g_u_s >> 4 : r_y_h >> 4;
+		buf[1][offset] = odd ? b_v << 4 : g_u_s << 4;
+		buf[1][offset + 1] = odd ? b_v >> 4 : g_u_s >> 4;
 		buf[0][offset] |= (buf[0][offset] >> 4) & 0xf;
 		buf[1][offset] |= (buf[1][offset] >> 4) & 0xf;
 		break;
@@ -1828,6 +1936,7 @@ static void tpg_recalc(struct tpg_data *tpg)
 		tpg->recalc_lines = true;
 		tpg->real_xfer_func = tpg->xfer_func;
 		tpg->real_ycbcr_enc = tpg->ycbcr_enc;
+		tpg->real_hsv_enc = tpg->hsv_enc;
 		tpg->real_quantization = tpg->quantization;
 
 		if (tpg->xfer_func == V4L2_XFER_FUNC_DEFAULT)
@@ -1840,7 +1949,8 @@ static void tpg_recalc(struct tpg_data *tpg)
 
 		if (tpg->quantization == V4L2_QUANTIZATION_DEFAULT)
 			tpg->real_quantization =
-				V4L2_MAP_QUANTIZATION_DEFAULT(!tpg->is_yuv,
+				V4L2_MAP_QUANTIZATION_DEFAULT(
+					tpg->color_enc != TGP_COLOR_ENC_YCBCR,
 					tpg->colorspace, tpg->real_ycbcr_enc);
 
 		tpg_precalculate_colors(tpg);
@@ -1887,11 +1997,28 @@ static int tpg_pattern_avg(const struct tpg_data *tpg,
 	return -1;
 }
 
+static const char *tpg_color_enc_str(enum tgp_color_enc
+						 color_enc)
+{
+	switch (color_enc) {
+	case TGP_COLOR_ENC_HSV:
+		return "HSV";
+	case TGP_COLOR_ENC_YCBCR:
+		return "Y'CbCr";
+	case TGP_COLOR_ENC_LUMA:
+		return "Luma";
+	case TGP_COLOR_ENC_RGB:
+	default:
+		return "R'G'B";
+
+	}
+}
+
 void tpg_log_status(struct tpg_data *tpg)
 {
 	pr_info("tpg source WxH: %ux%u (%s)\n",
-			tpg->src_width, tpg->src_height,
-			tpg->is_yuv ? "YCbCr" : "RGB");
+		tpg->src_width, tpg->src_height,
+		tpg_color_enc_str(tpg->color_enc));
 	pr_info("tpg field: %u\n", tpg->field);
 	pr_info("tpg crop: %ux%u@%dx%d\n", tpg->crop.width, tpg->crop.height,
 			tpg->crop.left, tpg->crop.top);
@@ -1900,6 +2027,7 @@ void tpg_log_status(struct tpg_data *tpg)
 	pr_info("tpg colorspace: %d\n", tpg->colorspace);
 	pr_info("tpg transfer function: %d/%d\n", tpg->xfer_func, tpg->real_xfer_func);
 	pr_info("tpg Y'CbCr encoding: %d/%d\n", tpg->ycbcr_enc, tpg->real_ycbcr_enc);
+	pr_info("tpg HSV encoding: %d/%d\n", tpg->hsv_enc, tpg->real_hsv_enc);
 	pr_info("tpg quantization: %d/%d\n", tpg->quantization, tpg->real_quantization);
 	pr_info("tpg RGB range: %d/%d\n", tpg->rgb_range, tpg->real_rgb_range);
 }
diff --git a/drivers/media/dvb-core/Kconfig b/drivers/media/dvb-core/Kconfig
index fa7a2490ed5f..eeef94a0c84e 100644
--- a/drivers/media/dvb-core/Kconfig
+++ b/drivers/media/dvb-core/Kconfig
@@ -5,7 +5,7 @@
 config DVB_MAX_ADAPTERS
 	int "maximum number of DVB/ATSC adapters"
 	depends on DVB_CORE
-	default 8
+	default 16
 	range 1 255
 	help
 	  Maximum number of DVB/ATSC adapters. Increasing this number
@@ -13,7 +13,7 @@ config DVB_MAX_ADAPTERS
 	  if a much lower number of DVB/ATSC adapters is present.
 	  Only values in the range 4-32 are tested.
 
-	  If you are unsure about this, use the default value 8
+	  If you are unsure about this, use the default value 16
 
 config DVB_DYNAMIC_MINORS
 	bool "Dynamic DVB minor allocation"
@@ -27,3 +27,16 @@ config DVB_DYNAMIC_MINORS
 	  will be required to manage the device nodes.
 
 	  If you are unsure about this, say N here.
+
+config DVB_DEMUX_SECTION_LOSS_LOG
+	bool "Enable DVB demux section packet loss log"
+	depends on DVB_CORE
+	default n
+	help
+	  Enable extra log messages meant to detect packet loss
+	  inside the Kernel.
+
+	  Should not be enabled on normal cases, as logs can
+	  be very verbose.
+
+	  If you are unsure about this, say N here.
diff --git a/drivers/media/dvb-core/Makefile b/drivers/media/dvb-core/Makefile
index 8f22bcd7c1f9..281bc89576e6 100644
--- a/drivers/media/dvb-core/Makefile
+++ b/drivers/media/dvb-core/Makefile
@@ -4,7 +4,7 @@
 
 dvb-net-$(CONFIG_DVB_NET) := dvb_net.o
 
-dvb-core-objs := dvbdev.o dmxdev.o dvb_demux.o dvb_filter.o 	\
+dvb-core-objs := dvbdev.o dmxdev.o dvb_demux.o		 	\
 		 dvb_ca_en50221.o dvb_frontend.o 		\
 		 $(dvb-net-y) dvb_ringbuffer.o dvb_math.o
 
diff --git a/drivers/media/dvb-core/demux.h b/drivers/media/dvb-core/demux.h
index aeda2b64931c..f8adf4506a45 100644
--- a/drivers/media/dvb-core/demux.h
+++ b/drivers/media/dvb-core/demux.h
@@ -103,7 +103,6 @@ struct dmx_ts_feed {
 		   u16 pid,
 		   int type,
 		   enum dmx_ts_pes pes_type,
-		   size_t circular_buffer_size,
 		   ktime_t timeout);
 	int (*start_filtering)(struct dmx_ts_feed *feed);
 	int (*stop_filtering)(struct dmx_ts_feed *feed);
@@ -181,7 +180,6 @@ struct dmx_section_feed {
 	/* public: */
 	int (*set)(struct dmx_section_feed *feed,
 		   u16 pid,
-		   size_t circular_buffer_size,
 		   int check_crc);
 	int (*allocate_filter)(struct dmx_section_feed *feed,
 			       struct dmx_section_filter **filter);
@@ -206,8 +204,7 @@ struct dmx_section_feed {
  * the &dmx_demux.
  * Any TS packets that match the filter settings are copied to a circular
  * buffer. The filtered TS packets are delivered to the client using this
- * callback function. The size of the circular buffer is controlled by the
- * circular_buffer_size parameter of the &dmx_ts_feed.@set function.
+ * callback function.
  * It is expected that the @buffer1 and @buffer2 callback parameters point to
  * addresses within the circular buffer, but other implementations are also
  * possible. Note that the called party should not try to free the memory
diff --git a/drivers/media/dvb-core/dmxdev.c b/drivers/media/dvb-core/dmxdev.c
index 7b67e1dd97fd..efe55a3e80d0 100644
--- a/drivers/media/dvb-core/dmxdev.c
+++ b/drivers/media/dvb-core/dmxdev.c
@@ -20,6 +20,8 @@
  *
  */
 
+#define pr_fmt(fmt) "dmxdev: " fmt
+
 #include <linux/sched.h>
 #include <linux/spinlock.h>
 #include <linux/slab.h>
@@ -36,7 +38,11 @@ static int debug;
 module_param(debug, int, 0644);
 MODULE_PARM_DESC(debug, "Turn on/off debugging (default:off).");
 
-#define dprintk	if (debug) printk
+#define dprintk(fmt, arg...) do {					\
+	if (debug)							\
+		printk(KERN_DEBUG pr_fmt("%s: " fmt),			\
+			__func__, ##arg);				\
+} while (0)
 
 static int dvb_dmxdev_buffer_write(struct dvb_ringbuffer *buf,
 				   const u8 *src, size_t len)
@@ -50,7 +56,7 @@ static int dvb_dmxdev_buffer_write(struct dvb_ringbuffer *buf,
 
 	free = dvb_ringbuffer_free(buf);
 	if (len > free) {
-		dprintk("dmxdev: buffer overflow\n");
+		dprintk("buffer overflow\n");
 		return -EOVERFLOW;
 	}
 
@@ -126,7 +132,7 @@ static int dvb_dvr_open(struct inode *inode, struct file *file)
 	struct dmxdev *dmxdev = dvbdev->priv;
 	struct dmx_frontend *front;
 
-	dprintk("function : %s\n", __func__);
+	dprintk("%s\n", __func__);
 
 	if (mutex_lock_interruptible(&dmxdev->mutex))
 		return -ERESTARTSYS;
@@ -258,7 +264,7 @@ static int dvb_dvr_set_buffer_size(struct dmxdev *dmxdev,
 	void *newmem;
 	void *oldmem;
 
-	dprintk("function : %s\n", __func__);
+	dprintk("%s\n", __func__);
 
 	if (buf->size == size)
 		return 0;
@@ -367,7 +373,7 @@ static int dvb_dmxdev_section_callback(const u8 *buffer1, size_t buffer1_len,
 		return 0;
 	}
 	del_timer(&dmxdevfilter->timer);
-	dprintk("dmxdev: section callback %*ph\n", 6, buffer1);
+	dprintk("section callback %*ph\n", 6, buffer1);
 	ret = dvb_dmxdev_buffer_write(&dmxdevfilter->buffer, buffer1,
 				      buffer1_len);
 	if (ret == buffer1_len) {
@@ -589,7 +595,7 @@ static int dvb_dmxdev_start_feed(struct dmxdev *dmxdev,
 	tsfeed = feed->ts;
 	tsfeed->priv = filter;
 
-	ret = tsfeed->set(tsfeed, feed->pid, ts_type, ts_pes, 32768, timeout);
+	ret = tsfeed->set(tsfeed, feed->pid, ts_type, ts_pes, timeout);
 	if (ret < 0) {
 		dmxdev->demux->release_ts_feed(dmxdev->demux, tsfeed);
 		return ret;
@@ -655,15 +661,15 @@ static int dvb_dmxdev_filter_start(struct dmxdev_filter *filter)
 								   secfeed,
 								   dvb_dmxdev_section_callback);
 			if (ret < 0) {
-				printk("DVB (%s): could not alloc feed\n",
+				pr_err("DVB (%s): could not alloc feed\n",
 				       __func__);
 				return ret;
 			}
 
-			ret = (*secfeed)->set(*secfeed, para->pid, 32768,
+			ret = (*secfeed)->set(*secfeed, para->pid,
 					      (para->flags & DMX_CHECK_CRC) ? 1 : 0);
 			if (ret < 0) {
-				printk("DVB (%s): could not set feed\n",
+				pr_err("DVB (%s): could not set feed\n",
 				       __func__);
 				dvb_dmxdev_feed_restart(filter);
 				return ret;
@@ -844,7 +850,7 @@ static int dvb_dmxdev_filter_set(struct dmxdev *dmxdev,
 				 struct dmxdev_filter *dmxdevfilter,
 				 struct dmx_sct_filter_params *params)
 {
-	dprintk("function : %s, PID=0x%04x, flags=%02x, timeout=%d\n",
+	dprintk("%s: PID=0x%04x, flags=%02x, timeout=%d\n",
 		__func__, params->pid, params->flags, params->timeout);
 
 	dvb_dmxdev_filter_stop(dmxdevfilter);
@@ -1184,7 +1190,7 @@ static unsigned int dvb_dvr_poll(struct file *file, poll_table *wait)
 	struct dmxdev *dmxdev = dvbdev->priv;
 	unsigned int mask = 0;
 
-	dprintk("function : %s\n", __func__);
+	dprintk("%s\n", __func__);
 
 	if (dmxdev->exit)
 		return POLLERR;
diff --git a/drivers/media/dvb-core/dvb-usb-ids.h b/drivers/media/dvb-core/dvb-usb-ids.h
index a7a4674ccc40..779f4224b63e 100644
--- a/drivers/media/dvb-core/dvb-usb-ids.h
+++ b/drivers/media/dvb-core/dvb-usb-ids.h
@@ -262,6 +262,7 @@
 #define USB_PID_TECHNOTREND_CONNECT_CT2_4650_CI		0x3012
 #define USB_PID_TECHNOTREND_CONNECT_CT2_4650_CI_2	0x3015
 #define USB_PID_TECHNOTREND_TVSTICK_CT2_4400		0x3014
+#define USB_PID_TECHNOTREND_CONNECT_S2_4650_CI		0x3017
 #define USB_PID_TERRATEC_CINERGY_DT_XS_DIVERSITY	0x005a
 #define USB_PID_TERRATEC_CINERGY_DT_XS_DIVERSITY_2	0x0081
 #define USB_PID_TERRATEC_CINERGY_HT_USB_XE		0x0058
@@ -411,4 +412,5 @@
 #define USB_PID_SVEON_STV27                             0xd3af
 #define USB_PID_TURBOX_DTT_2000                         0xd3a4
 #define USB_PID_WINTV_SOLOHD                            0x0264
+#define USB_PID_EVOLVEO_XTRATV_STICK                   0xa115
 #endif
diff --git a/drivers/media/dvb-core/dvb_ca_en50221.c b/drivers/media/dvb-core/dvb_ca_en50221.c
index b5b5b195ea7f..fd893141211c 100644
--- a/drivers/media/dvb-core/dvb_ca_en50221.c
+++ b/drivers/media/dvb-core/dvb_ca_en50221.c
@@ -28,6 +28,8 @@
  * Or, point your browser to http://www.gnu.org/copyleft/gpl.html
  */
 
+#define pr_fmt(fmt) "dvb_ca_en50221: " fmt
+
 #include <linux/errno.h>
 #include <linux/slab.h>
 #include <linux/list.h>
@@ -46,7 +48,10 @@ static int dvb_ca_en50221_debug;
 module_param_named(cam_debug, dvb_ca_en50221_debug, int, 0644);
 MODULE_PARM_DESC(cam_debug, "enable verbose debug messages");
 
-#define dprintk if (dvb_ca_en50221_debug) printk
+#define dprintk(fmt, arg...) do {					\
+	if (dvb_ca_en50221_debug)					\
+		printk(KERN_DEBUG pr_fmt("%s: " fmt), __func__, ##arg);\
+} while (0)
 
 #define INIT_TIMEOUT_SECS 10
 
@@ -166,7 +171,7 @@ static void dvb_ca_private_free(struct dvb_ca_private *ca)
 {
 	unsigned int i;
 
-	dvb_unregister_device(ca->dvbdev);
+	dvb_free_device(ca->dvbdev);
 	for (i = 0; i < ca->slot_count; i++)
 		vfree(ca->slot_info[i].rx_buffer.data);
 
@@ -298,7 +303,8 @@ static int dvb_ca_en50221_wait_if_status(struct dvb_ca_private *ca, int slot,
 
 		/* if we got the flags, it was successful! */
 		if (res & waitfor) {
-			dprintk("%s succeeded timeout:%lu\n", __func__, jiffies - start);
+			dprintk("%s succeeded timeout:%lu\n",
+				__func__, jiffies - start);
 			return 0;
 		}
 
@@ -519,8 +525,9 @@ static int dvb_ca_en50221_parse_attributes(struct dvb_ca_private *ca, int slot)
 
 	/* is it a version we support? */
 	if (strncmp(dvb_str + 8, "1.00", 4)) {
-		printk("dvb_ca adapter %d: Unsupported DVB CAM module version %c%c%c%c\n",
-		       ca->dvbdev->adapter->num, dvb_str[8], dvb_str[9], dvb_str[10], dvb_str[11]);
+		pr_err("dvb_ca adapter %d: Unsupported DVB CAM module version %c%c%c%c\n",
+		       ca->dvbdev->adapter->num, dvb_str[8], dvb_str[9],
+		       dvb_str[10], dvb_str[11]);
 		return -EINVAL;
 	}
 
@@ -557,8 +564,8 @@ static int dvb_ca_en50221_parse_attributes(struct dvb_ca_private *ca, int slot)
 			break;
 
 		default:	/* Unknown tuple type - just skip this tuple and move to the next one */
-			dprintk("dvb_ca: Skipping unknown tuple type:0x%x length:0x%x\n", tupleType,
-				tupleLength);
+			dprintk("dvb_ca: Skipping unknown tuple type:0x%x length:0x%x\n",
+				tupleType, tupleLength);
 			break;
 		}
 	}
@@ -567,7 +574,8 @@ static int dvb_ca_en50221_parse_attributes(struct dvb_ca_private *ca, int slot)
 		return -EINVAL;
 
 	dprintk("Valid DVB CAM detected MANID:%x DEVID:%x CONFIGBASE:0x%x CONFIGOPTION:0x%x\n",
-		manfid, devid, ca->slot_info[slot].config_base, ca->slot_info[slot].config_option);
+		manfid, devid, ca->slot_info[slot].config_base,
+		ca->slot_info[slot].config_option);
 
 	// success!
 	return 0;
@@ -661,14 +669,15 @@ static int dvb_ca_en50221_read_data(struct dvb_ca_private *ca, int slot, u8 * eb
 	/* check it will fit */
 	if (ebuf == NULL) {
 		if (bytes_read > ca->slot_info[slot].link_buf_size) {
-			printk("dvb_ca adapter %d: CAM tried to send a buffer larger than the link buffer size (%i > %i)!\n",
-			       ca->dvbdev->adapter->num, bytes_read, ca->slot_info[slot].link_buf_size);
+			pr_err("dvb_ca adapter %d: CAM tried to send a buffer larger than the link buffer size (%i > %i)!\n",
+			       ca->dvbdev->adapter->num, bytes_read,
+			       ca->slot_info[slot].link_buf_size);
 			ca->slot_info[slot].slot_state = DVB_CA_SLOTSTATE_LINKINIT;
 			status = -EIO;
 			goto exit;
 		}
 		if (bytes_read < 2) {
-			printk("dvb_ca adapter %d: CAM sent a buffer that was less than 2 bytes!\n",
+			pr_err("dvb_ca adapter %d: CAM sent a buffer that was less than 2 bytes!\n",
 			       ca->dvbdev->adapter->num);
 			ca->slot_info[slot].slot_state = DVB_CA_SLOTSTATE_LINKINIT;
 			status = -EIO;
@@ -676,7 +685,7 @@ static int dvb_ca_en50221_read_data(struct dvb_ca_private *ca, int slot, u8 * eb
 		}
 	} else {
 		if (bytes_read > ecount) {
-			printk("dvb_ca adapter %d: CAM tried to send a buffer larger than the ecount size!\n",
+			pr_err("dvb_ca adapter %d: CAM tried to send a buffer larger than the ecount size!\n",
 			       ca->dvbdev->adapter->num);
 			status = -EIO;
 			goto exit;
@@ -1062,7 +1071,7 @@ static int dvb_ca_en50221_thread(void *data)
 
 			case DVB_CA_SLOTSTATE_WAITREADY:
 				if (time_after(jiffies, ca->slot_info[slot].timeout)) {
-					printk("dvb_ca adaptor %d: PC card did not respond :(\n",
+					pr_err("dvb_ca adaptor %d: PC card did not respond :(\n",
 					       ca->dvbdev->adapter->num);
 					ca->slot_info[slot].slot_state = DVB_CA_SLOTSTATE_INVALID;
 					dvb_ca_en50221_thread_update_delay(ca);
@@ -1084,14 +1093,14 @@ static int dvb_ca_en50221_thread(void *data)
 						}
 					}
 
-					printk("dvb_ca adapter %d: Invalid PC card inserted :(\n",
+					pr_err("dvb_ca adapter %d: Invalid PC card inserted :(\n",
 					       ca->dvbdev->adapter->num);
 					ca->slot_info[slot].slot_state = DVB_CA_SLOTSTATE_INVALID;
 					dvb_ca_en50221_thread_update_delay(ca);
 					break;
 				}
 				if (dvb_ca_en50221_set_configoption(ca, slot) != 0) {
-					printk("dvb_ca adapter %d: Unable to initialise CAM :(\n",
+					pr_err("dvb_ca adapter %d: Unable to initialise CAM :(\n",
 					       ca->dvbdev->adapter->num);
 					ca->slot_info[slot].slot_state = DVB_CA_SLOTSTATE_INVALID;
 					dvb_ca_en50221_thread_update_delay(ca);
@@ -1099,7 +1108,7 @@ static int dvb_ca_en50221_thread(void *data)
 				}
 				if (ca->pub->write_cam_control(ca->pub, slot,
 							       CTRLIF_COMMAND, CMDREG_RS) != 0) {
-					printk("dvb_ca adapter %d: Unable to reset CAM IF\n",
+					pr_err("dvb_ca adapter %d: Unable to reset CAM IF\n",
 					       ca->dvbdev->adapter->num);
 					ca->slot_info[slot].slot_state = DVB_CA_SLOTSTATE_INVALID;
 					dvb_ca_en50221_thread_update_delay(ca);
@@ -1114,7 +1123,7 @@ static int dvb_ca_en50221_thread(void *data)
 
 			case DVB_CA_SLOTSTATE_WAITFR:
 				if (time_after(jiffies, ca->slot_info[slot].timeout)) {
-					printk("dvb_ca adapter %d: DVB CAM did not respond :(\n",
+					pr_err("dvb_ca adapter %d: DVB CAM did not respond :(\n",
 					       ca->dvbdev->adapter->num);
 					ca->slot_info[slot].slot_state = DVB_CA_SLOTSTATE_INVALID;
 					dvb_ca_en50221_thread_update_delay(ca);
@@ -1141,7 +1150,8 @@ static int dvb_ca_en50221_thread(void *data)
 						}
 					}
 
-					printk("dvb_ca adapter %d: DVB CAM link initialisation failed :(\n", ca->dvbdev->adapter->num);
+					pr_err("dvb_ca adapter %d: DVB CAM link initialisation failed :(\n",
+					       ca->dvbdev->adapter->num);
 					ca->slot_info[slot].slot_state = DVB_CA_SLOTSTATE_INVALID;
 					dvb_ca_en50221_thread_update_delay(ca);
 					break;
@@ -1150,7 +1160,8 @@ static int dvb_ca_en50221_thread(void *data)
 				if (ca->slot_info[slot].rx_buffer.data == NULL) {
 					rxbuf = vmalloc(RX_BUFFER_SIZE);
 					if (rxbuf == NULL) {
-						printk("dvb_ca adapter %d: Unable to allocate CAM rx buffer :(\n", ca->dvbdev->adapter->num);
+						pr_err("dvb_ca adapter %d: Unable to allocate CAM rx buffer :(\n",
+						       ca->dvbdev->adapter->num);
 						ca->slot_info[slot].slot_state = DVB_CA_SLOTSTATE_INVALID;
 						dvb_ca_en50221_thread_update_delay(ca);
 						break;
@@ -1161,7 +1172,8 @@ static int dvb_ca_en50221_thread(void *data)
 				ca->pub->slot_ts_enable(ca->pub, slot);
 				ca->slot_info[slot].slot_state = DVB_CA_SLOTSTATE_RUNNING;
 				dvb_ca_en50221_thread_update_delay(ca);
-				printk("dvb_ca adapter %d: DVB CAM detected and initialised successfully\n", ca->dvbdev->adapter->num);
+				pr_err("dvb_ca adapter %d: DVB CAM detected and initialised successfully\n",
+				       ca->dvbdev->adapter->num);
 				break;
 
 			case DVB_CA_SLOTSTATE_RUNNING:
@@ -1497,7 +1509,8 @@ static ssize_t dvb_ca_en50221_io_read(struct file *file, char __user * buf,
 	pktlen = 2;
 	do {
 		if (idx == -1) {
-			printk("dvb_ca adapter %d: BUG: read packet ended before last_fragment encountered\n", ca->dvbdev->adapter->num);
+			pr_err("dvb_ca adapter %d: BUG: read packet ended before last_fragment encountered\n",
+			       ca->dvbdev->adapter->num);
 			status = -EIO;
 			goto exit;
 		}
@@ -1755,8 +1768,8 @@ int dvb_ca_en50221_init(struct dvb_adapter *dvb_adapter,
 				 ca->dvbdev->adapter->num, ca->dvbdev->id);
 	if (IS_ERR(ca->thread)) {
 		ret = PTR_ERR(ca->thread);
-		printk("dvb_ca_init: failed to start kernel_thread (%d)\n",
-			ret);
+		pr_err("dvb_ca_init: failed to start kernel_thread (%d)\n",
+		       ret);
 		goto unregister_device;
 	}
 	return 0;
@@ -1794,6 +1807,7 @@ void dvb_ca_en50221_release(struct dvb_ca_en50221 *pubca)
 	for (i = 0; i < ca->slot_count; i++) {
 		dvb_ca_en50221_slot_shutdown(ca, i);
 	}
+	dvb_remove_device(ca->dvbdev);
 	dvb_ca_private_put(ca);
 	pubca->private = NULL;
 }
diff --git a/drivers/media/dvb-core/dvb_demux.c b/drivers/media/dvb-core/dvb_demux.c
index a0cf7b0d03e8..3ad0b2cd26b1 100644
--- a/drivers/media/dvb-core/dvb_demux.c
+++ b/drivers/media/dvb-core/dvb_demux.c
@@ -21,6 +21,8 @@
  *
  */
 
+#define pr_fmt(fmt) "dvb_demux: " fmt
+
 #include <linux/sched.h>
 #include <linux/spinlock.h>
 #include <linux/slab.h>
@@ -34,12 +36,6 @@
 
 #include "dvb_demux.h"
 
-#define NOBUFS
-/*
-** #define DVB_DEMUX_SECTION_LOSS_LOG to monitor payload loss in the syslog
-*/
-// #define DVB_DEMUX_SECTION_LOSS_LOG
-
 static int dvb_demux_tscheck;
 module_param(dvb_demux_tscheck, int, 0644);
 MODULE_PARM_DESC(dvb_demux_tscheck,
@@ -55,10 +51,13 @@ module_param(dvb_demux_feed_err_pkts, int, 0644);
 MODULE_PARM_DESC(dvb_demux_feed_err_pkts,
 		 "when set to 0, drop packets with the TEI bit set (1 by default)");
 
-#define dprintk_tscheck(x...) do {                              \
-		if (dvb_demux_tscheck && printk_ratelimit())    \
-			printk(x);                              \
-	} while (0)
+#define dprintk(fmt, arg...) \
+	printk(KERN_DEBUG pr_fmt("%s: " fmt),  __func__, ##arg)
+
+#define dprintk_tscheck(x...) do {			\
+	if (dvb_demux_tscheck && printk_ratelimit())	\
+		dprintk(x);				\
+} while (0)
 
 /******************************************************************************
  * static inlined helper functions
@@ -109,21 +108,23 @@ static inline int dvb_dmx_swfilter_payload(struct dvb_demux_feed *feed,
 {
 	int count = payload(buf);
 	int p;
-	//int ccok;
-	//u8 cc;
+#ifdef CONFIG_DVB_DEMUX_SECTION_LOSS_LOG
+	int ccok;
+	u8 cc;
+#endif
 
 	if (count == 0)
 		return -1;
 
 	p = 188 - count;
 
-	/*
+#ifdef CONFIG_DVB_DEMUX_SECTION_LOSS_LOG
 	cc = buf[3] & 0x0f;
 	ccok = ((feed->cc + 1) & 0x0f) == cc;
 	feed->cc = cc;
 	if (!ccok)
-		printk("missed packet!\n");
-	*/
+		dprintk("missed packet!\n");
+#endif
 
 	if (buf[1] & 0x40)	// PUSI ?
 		feed->peslen = 0xfffa;
@@ -189,7 +190,7 @@ static void dvb_dmx_swfilter_section_new(struct dvb_demux_feed *feed)
 {
 	struct dmx_section_feed *sec = &feed->feed.sec;
 
-#ifdef DVB_DEMUX_SECTION_LOSS_LOG
+#ifdef CONFIG_DVB_DEMUX_SECTION_LOSS_LOG
 	if (sec->secbufp < sec->tsfeedp) {
 		int i, n = sec->tsfeedp - sec->secbufp;
 
@@ -199,12 +200,12 @@ static void dvb_dmx_swfilter_section_new(struct dvb_demux_feed *feed)
 		 * but just first and last.
 		 */
 		if (sec->secbuf[0] != 0xff || sec->secbuf[n - 1] != 0xff) {
-			printk("dvb_demux.c section ts padding loss: %d/%d\n",
+			dprintk("dvb_demux.c section ts padding loss: %d/%d\n",
 			       n, sec->tsfeedp);
-			printk("dvb_demux.c pad data:");
+			dprintk("dvb_demux.c pad data:");
 			for (i = 0; i < n; i++)
-				printk(" %02x", sec->secbuf[i]);
-			printk("\n");
+				pr_cont(" %02x", sec->secbuf[i]);
+			pr_cont("\n");
 		}
 	}
 #endif
@@ -242,8 +243,8 @@ static int dvb_dmx_swfilter_section_copy_dump(struct dvb_demux_feed *feed,
 		return 0;
 
 	if (sec->tsfeedp + len > DMX_MAX_SECFEED_SIZE) {
-#ifdef DVB_DEMUX_SECTION_LOSS_LOG
-		printk("dvb_demux.c section buffer full loss: %d/%d\n",
+#ifdef CONFIG_DVB_DEMUX_SECTION_LOSS_LOG
+		dprintk("dvb_demux.c section buffer full loss: %d/%d\n",
 		       sec->tsfeedp + len - DMX_MAX_SECFEED_SIZE,
 		       DMX_MAX_SECFEED_SIZE);
 #endif
@@ -276,9 +277,9 @@ static int dvb_dmx_swfilter_section_copy_dump(struct dvb_demux_feed *feed,
 		/* dump [secbuf .. secbuf+seclen) */
 		if (feed->pusi_seen)
 			dvb_dmx_swfilter_section_feed(feed);
-#ifdef DVB_DEMUX_SECTION_LOSS_LOG
+#ifdef CONFIG_DVB_DEMUX_SECTION_LOSS_LOG
 		else
-			printk("dvb_demux.c pusi not seen, discarding section data\n");
+			dprintk("dvb_demux.c pusi not seen, discarding section data\n");
 #endif
 		sec->secbufp += seclen;	/* secbufp and secbuf moving together is */
 		sec->secbuf += seclen;	/* redundant but saves pointer arithmetic */
@@ -312,9 +313,9 @@ static int dvb_dmx_swfilter_section_packet(struct dvb_demux_feed *feed,
 	}
 
 	if (!ccok || dc_i) {
-#ifdef DVB_DEMUX_SECTION_LOSS_LOG
-		printk("dvb_demux.c discontinuity detected %d bytes lost\n",
-		       count);
+#ifdef CONFIG_DVB_DEMUX_SECTION_LOSS_LOG
+		dprintk("dvb_demux.c discontinuity detected %d bytes lost\n",
+			count);
 		/*
 		 * those bytes under sume circumstances will again be reported
 		 * in the following dvb_dmx_swfilter_section_new
@@ -344,9 +345,10 @@ static int dvb_dmx_swfilter_section_packet(struct dvb_demux_feed *feed,
 			dvb_dmx_swfilter_section_copy_dump(feed, after,
 							   after_len);
 		}
-#ifdef DVB_DEMUX_SECTION_LOSS_LOG
+#ifdef CONFIG_DVB_DEMUX_SECTION_LOSS_LOG
 		else if (count > 0)
-			printk("dvb_demux.c PUSI=1 but %d bytes lost\n", count);
+			dprintk("dvb_demux.c PUSI=1 but %d bytes lost\n",
+				count);
 #endif
 	} else {
 		/* PUSI=0 (is not set), no section boundary */
@@ -415,9 +417,9 @@ static void dvb_dmx_swfilter_packet(struct dvb_demux *demux, const u8 *buf)
 						1024);
 				speed_timedelta = ktime_ms_delta(cur_time,
 							demux->speed_last_time);
-				printk(KERN_INFO "TS speed %llu Kbits/sec \n",
-						div64_u64(speed_bytes,
-							speed_timedelta));
+				dprintk("TS speed %llu Kbits/sec \n",
+					div64_u64(speed_bytes,
+						  speed_timedelta));
 			}
 
 			demux->speed_last_time = cur_time;
@@ -426,8 +428,7 @@ static void dvb_dmx_swfilter_packet(struct dvb_demux *demux, const u8 *buf)
 	}
 
 	if (buf[1] & 0x80) {
-		dprintk_tscheck("TEI detected. "
-				"PID=0x%x data1=0x%x\n",
+		dprintk_tscheck("TEI detected. PID=0x%x data1=0x%x\n",
 				pid, buf[1]);
 		/* data in this packet can't be trusted - drop it unless
 		 * module option dvb_demux_feed_err_pkts is set */
@@ -635,7 +636,7 @@ static void dvb_demux_feed_add(struct dvb_demux_feed *feed)
 {
 	spin_lock_irq(&feed->demux->lock);
 	if (dvb_demux_feed_find(feed)) {
-		printk(KERN_ERR "%s: feed already in list (type=%x state=%x pid=%x)\n",
+		pr_err("%s: feed already in list (type=%x state=%x pid=%x)\n",
 		       __func__, feed->type, feed->state, feed->pid);
 		goto out;
 	}
@@ -649,7 +650,7 @@ static void dvb_demux_feed_del(struct dvb_demux_feed *feed)
 {
 	spin_lock_irq(&feed->demux->lock);
 	if (!(dvb_demux_feed_find(feed))) {
-		printk(KERN_ERR "%s: feed not in list (type=%x state=%x pid=%x)\n",
+		pr_err("%s: feed not in list (type=%x state=%x pid=%x)\n",
 		       __func__, feed->type, feed->state, feed->pid);
 		goto out;
 	}
@@ -660,8 +661,7 @@ out:
 }
 
 static int dmx_ts_feed_set(struct dmx_ts_feed *ts_feed, u16 pid, int ts_type,
-			   enum dmx_ts_pes pes_type,
-			   size_t circular_buffer_size, ktime_t timeout)
+			   enum dmx_ts_pes pes_type, ktime_t timeout)
 {
 	struct dvb_demux_feed *feed = (struct dvb_demux_feed *)ts_feed;
 	struct dvb_demux *demux = feed->demux;
@@ -691,23 +691,10 @@ static int dmx_ts_feed_set(struct dmx_ts_feed *ts_feed, u16 pid, int ts_type,
 	dvb_demux_feed_add(feed);
 
 	feed->pid = pid;
-	feed->buffer_size = circular_buffer_size;
 	feed->timeout = timeout;
 	feed->ts_type = ts_type;
 	feed->pes_type = pes_type;
 
-	if (feed->buffer_size) {
-#ifdef NOBUFS
-		feed->buffer = NULL;
-#else
-		feed->buffer = vmalloc(feed->buffer_size);
-		if (!feed->buffer) {
-			mutex_unlock(&demux->mutex);
-			return -ENOMEM;
-		}
-#endif
-	}
-
 	feed->state = DMX_STATE_READY;
 	mutex_unlock(&demux->mutex);
 
@@ -796,7 +783,6 @@ static int dvbdmx_allocate_ts_feed(struct dmx_demux *dmx,
 	feed->demux = demux;
 	feed->pid = 0xffff;
 	feed->peslen = 0xfffa;
-	feed->buffer = NULL;
 
 	(*ts_feed) = &feed->feed.ts;
 	(*ts_feed)->parent = dmx;
@@ -833,10 +819,6 @@ static int dvbdmx_release_ts_feed(struct dmx_demux *dmx,
 		mutex_unlock(&demux->mutex);
 		return -EINVAL;
 	}
-#ifndef NOBUFS
-	vfree(feed->buffer);
-	feed->buffer = NULL;
-#endif
 
 	feed->state = DMX_STATE_FREE;
 	feed->filter->state = DMX_STATE_FREE;
@@ -888,8 +870,7 @@ static int dmx_section_feed_allocate_filter(struct dmx_section_feed *feed,
 }
 
 static int dmx_section_feed_set(struct dmx_section_feed *feed,
-				u16 pid, size_t circular_buffer_size,
-				int check_crc)
+				u16 pid, int check_crc)
 {
 	struct dvb_demux_feed *dvbdmxfeed = (struct dvb_demux_feed *)feed;
 	struct dvb_demux *dvbdmx = dvbdmxfeed->demux;
@@ -903,19 +884,8 @@ static int dmx_section_feed_set(struct dmx_section_feed *feed,
 	dvb_demux_feed_add(dvbdmxfeed);
 
 	dvbdmxfeed->pid = pid;
-	dvbdmxfeed->buffer_size = circular_buffer_size;
 	dvbdmxfeed->feed.sec.check_crc = check_crc;
 
-#ifdef NOBUFS
-	dvbdmxfeed->buffer = NULL;
-#else
-	dvbdmxfeed->buffer = vmalloc(dvbdmxfeed->buffer_size);
-	if (!dvbdmxfeed->buffer) {
-		mutex_unlock(&dvbdmx->mutex);
-		return -ENOMEM;
-	}
-#endif
-
 	dvbdmxfeed->state = DMX_STATE_READY;
 	mutex_unlock(&dvbdmx->mutex);
 	return 0;
@@ -1074,7 +1044,6 @@ static int dvbdmx_allocate_section_feed(struct dmx_demux *demux,
 	dvbdmxfeed->feed.sec.secbufp = dvbdmxfeed->feed.sec.seclen = 0;
 	dvbdmxfeed->feed.sec.tsfeedp = 0;
 	dvbdmxfeed->filter = NULL;
-	dvbdmxfeed->buffer = NULL;
 
 	(*feed) = &dvbdmxfeed->feed.sec;
 	(*feed)->is_filtering = 0;
@@ -1103,10 +1072,6 @@ static int dvbdmx_release_section_feed(struct dmx_demux *demux,
 		mutex_unlock(&dvbdmx->mutex);
 		return -EINVAL;
 	}
-#ifndef NOBUFS
-	vfree(dvbdmxfeed->buffer);
-	dvbdmxfeed->buffer = NULL;
-#endif
 	dvbdmxfeed->state = DMX_STATE_FREE;
 
 	dvb_demux_feed_del(dvbdmxfeed);
@@ -1268,7 +1233,7 @@ int dvb_dmx_init(struct dvb_demux *dvbdemux)
 
 	dvbdemux->cnt_storage = vmalloc(MAX_PID + 1);
 	if (!dvbdemux->cnt_storage)
-		printk(KERN_WARNING "Couldn't allocate memory for TS/TEI check. Disabling it\n");
+		pr_warn("Couldn't allocate memory for TS/TEI check. Disabling it\n");
 
 	INIT_LIST_HEAD(&dvbdemux->frontend_list);
 
diff --git a/drivers/media/dvb-core/dvb_demux.h b/drivers/media/dvb-core/dvb_demux.h
index 5ed3cab4ad28..9235b008ea0a 100644
--- a/drivers/media/dvb-core/dvb_demux.h
+++ b/drivers/media/dvb-core/dvb_demux.h
@@ -80,8 +80,6 @@ struct dvb_demux_feed {
 	int type;
 	int state;
 	u16 pid;
-	u8 *buffer;
-	int buffer_size;
 
 	ktime_t timeout;
 	struct dvb_demux_filter *filter;
diff --git a/drivers/media/dvb-core/dvb_filter.c b/drivers/media/dvb-core/dvb_filter.c
deleted file mode 100644
index 772003fb1821..000000000000
--- a/drivers/media/dvb-core/dvb_filter.c
+++ /dev/null
@@ -1,603 +0,0 @@
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/string.h>
-#include "dvb_filter.h"
-
-#if 0
-static unsigned int bitrates[3][16] =
-{{0,32,64,96,128,160,192,224,256,288,320,352,384,416,448,0},
- {0,32,48,56,64,80,96,112,128,160,192,224,256,320,384,0},
- {0,32,40,48,56,64,80,96,112,128,160,192,224,256,320,0}};
-#endif
-
-static u32 freq[4] = {480, 441, 320, 0};
-
-static unsigned int ac3_bitrates[32] =
-    {32,40,48,56,64,80,96,112,128,160,192,224,256,320,384,448,512,576,640,
-     0,0,0,0,0,0,0,0,0,0,0,0,0};
-
-static u32 ac3_frames[3][32] =
-    {{64,80,96,112,128,160,192,224,256,320,384,448,512,640,768,896,1024,
-      1152,1280,0,0,0,0,0,0,0,0,0,0,0,0,0},
-     {69,87,104,121,139,174,208,243,278,348,417,487,557,696,835,975,1114,
-      1253,1393,0,0,0,0,0,0,0,0,0,0,0,0,0},
-     {96,120,144,168,192,240,288,336,384,480,576,672,768,960,1152,1344,
-      1536,1728,1920,0,0,0,0,0,0,0,0,0,0,0,0,0}};
-
-
-
-#if 0
-static void setup_ts2pes(ipack *pa, ipack *pv, u16 *pida, u16 *pidv,
-		  void (*pes_write)(u8 *buf, int count, void *data),
-		  void *priv)
-{
-	dvb_filter_ipack_init(pa, IPACKS, pes_write);
-	dvb_filter_ipack_init(pv, IPACKS, pes_write);
-	pa->pid = pida;
-	pv->pid = pidv;
-	pa->data = priv;
-	pv->data = priv;
-}
-#endif
-
-#if 0
-static void ts_to_pes(ipack *p, u8 *buf) // don't need count (=188)
-{
-	u8 off = 0;
-
-	if (!buf || !p ){
-		printk("NULL POINTER IDIOT\n");
-		return;
-	}
-	if (buf[1]&PAY_START) {
-		if (p->plength == MMAX_PLENGTH-6 && p->found>6){
-			p->plength = p->found-6;
-			p->found = 0;
-			send_ipack(p);
-			dvb_filter_ipack_reset(p);
-		}
-	}
-	if (buf[3] & ADAPT_FIELD) {  // adaptation field?
-		off = buf[4] + 1;
-		if (off+4 > 187) return;
-	}
-	dvb_filter_instant_repack(buf+4+off, TS_SIZE-4-off, p);
-}
-#endif
-
-#if 0
-/* needs 5 byte input, returns picture coding type*/
-static int read_picture_header(u8 *headr, struct mpg_picture *pic, int field, int pr)
-{
-	u8 pct;
-
-	if (pr) printk( "Pic header: ");
-	pic->temporal_reference[field] = (( headr[0] << 2 ) |
-					  (headr[1] & 0x03) )& 0x03ff;
-	if (pr) printk( " temp ref: 0x%04x", pic->temporal_reference[field]);
-
-	pct = ( headr[1] >> 2 ) & 0x07;
-	pic->picture_coding_type[field] = pct;
-	if (pr) {
-		switch(pct){
-			case I_FRAME:
-				printk( "  I-FRAME");
-				break;
-			case B_FRAME:
-				printk( "  B-FRAME");
-				break;
-			case P_FRAME:
-				printk( "  P-FRAME");
-				break;
-		}
-	}
-
-
-	pic->vinfo.vbv_delay  = (( headr[1] >> 5 ) | ( headr[2] << 3) |
-				 ( (headr[3] & 0x1F) << 11) ) & 0xffff;
-
-	if (pr) printk( " vbv delay: 0x%04x", pic->vinfo.vbv_delay);
-
-	pic->picture_header_parameter = ( headr[3] & 0xe0 ) |
-		((headr[4] & 0x80) >> 3);
-
-	if ( pct == B_FRAME ){
-		pic->picture_header_parameter |= ( headr[4] >> 3 ) & 0x0f;
-	}
-	if (pr) printk( " pic head param: 0x%x",
-			pic->picture_header_parameter);
-
-	return pct;
-}
-#endif
-
-#if 0
-/* needs 4 byte input */
-static int read_gop_header(u8 *headr, struct mpg_picture *pic, int pr)
-{
-	if (pr) printk("GOP header: ");
-
-	pic->time_code  = (( headr[0] << 17 ) | ( headr[1] << 9) |
-			   ( headr[2] << 1 ) | (headr[3] &0x01)) & 0x1ffffff;
-
-	if (pr) printk(" time: %d:%d.%d ", (headr[0]>>2)& 0x1F,
-		       ((headr[0]<<4)& 0x30)| ((headr[1]>>4)& 0x0F),
-		       ((headr[1]<<3)& 0x38)| ((headr[2]>>5)& 0x0F));
-
-	if ( ( headr[3] & 0x40 ) != 0 ){
-		pic->closed_gop = 1;
-	} else {
-		pic->closed_gop = 0;
-	}
-	if (pr) printk("closed: %d", pic->closed_gop);
-
-	if ( ( headr[3] & 0x20 ) != 0 ){
-		pic->broken_link = 1;
-	} else {
-		pic->broken_link = 0;
-	}
-	if (pr) printk(" broken: %d\n", pic->broken_link);
-
-	return 0;
-}
-#endif
-
-#if 0
-/* needs 8 byte input */
-static int read_sequence_header(u8 *headr, struct dvb_video_info *vi, int pr)
-{
-	int sw;
-	int form = -1;
-
-	if (pr) printk("Reading sequence header\n");
-
-	vi->horizontal_size	= ((headr[1] &0xF0) >> 4) | (headr[0] << 4);
-	vi->vertical_size	= ((headr[1] &0x0F) << 8) | (headr[2]);
-
-	sw = (int)((headr[3]&0xF0) >> 4) ;
-
-	switch( sw ){
-	case 1:
-		if (pr)
-			printk("Videostream: ASPECT: 1:1");
-		vi->aspect_ratio = 100;
-		break;
-	case 2:
-		if (pr)
-			printk("Videostream: ASPECT: 4:3");
-		vi->aspect_ratio = 133;
-		break;
-	case 3:
-		if (pr)
-			printk("Videostream: ASPECT: 16:9");
-		vi->aspect_ratio = 177;
-		break;
-	case 4:
-		if (pr)
-			printk("Videostream: ASPECT: 2.21:1");
-		vi->aspect_ratio = 221;
-		break;
-
-	case 5 ... 15:
-		if (pr)
-			printk("Videostream: ASPECT: reserved");
-		vi->aspect_ratio = 0;
-		break;
-
-	default:
-		vi->aspect_ratio = 0;
-		return -1;
-	}
-
-	if (pr)
-		printk("  Size = %dx%d",vi->horizontal_size,vi->vertical_size);
-
-	sw = (int)(headr[3]&0x0F);
-
-	switch ( sw ) {
-	case 1:
-		if (pr)
-			printk("  FRate: 23.976 fps");
-		vi->framerate = 23976;
-		form = -1;
-		break;
-	case 2:
-		if (pr)
-			printk("  FRate: 24 fps");
-		vi->framerate = 24000;
-		form = -1;
-		break;
-	case 3:
-		if (pr)
-			printk("  FRate: 25 fps");
-		vi->framerate = 25000;
-		form = VIDEO_MODE_PAL;
-		break;
-	case 4:
-		if (pr)
-			printk("  FRate: 29.97 fps");
-		vi->framerate = 29970;
-		form = VIDEO_MODE_NTSC;
-		break;
-	case 5:
-		if (pr)
-			printk("  FRate: 30 fps");
-		vi->framerate = 30000;
-		form = VIDEO_MODE_NTSC;
-		break;
-	case 6:
-		if (pr)
-			printk("  FRate: 50 fps");
-		vi->framerate = 50000;
-		form = VIDEO_MODE_PAL;
-		break;
-	case 7:
-		if (pr)
-			printk("  FRate: 60 fps");
-		vi->framerate = 60000;
-		form = VIDEO_MODE_NTSC;
-		break;
-	}
-
-	vi->bit_rate = (headr[4] << 10) | (headr[5] << 2) | (headr[6] & 0x03);
-
-	vi->vbv_buffer_size
-		= (( headr[6] & 0xF8) >> 3 ) | (( headr[7] & 0x1F )<< 5);
-
-	if (pr){
-		printk("  BRate: %d Mbit/s",4*(vi->bit_rate)/10000);
-		printk("  vbvbuffer %d",16*1024*(vi->vbv_buffer_size));
-		printk("\n");
-	}
-
-	vi->video_format = form;
-
-	return 0;
-}
-#endif
-
-
-#if 0
-static int get_vinfo(u8 *mbuf, int count, struct dvb_video_info *vi, int pr)
-{
-	u8 *headr;
-	int found = 0;
-	int c = 0;
-
-	while (found < 4 && c+4 < count){
-		u8 *b;
-
-		b = mbuf+c;
-		if ( b[0] == 0x00 && b[1] == 0x00 && b[2] == 0x01
-		     && b[3] == 0xb3) found = 4;
-		else {
-			c++;
-		}
-	}
-
-	if (! found) return -1;
-	c += 4;
-	if (c+12 >= count) return -1;
-	headr = mbuf+c;
-	if (read_sequence_header(headr, vi, pr) < 0) return -1;
-	vi->off = c-4;
-	return 0;
-}
-#endif
-
-
-#if 0
-static int get_ainfo(u8 *mbuf, int count, struct dvb_audio_info *ai, int pr)
-{
-	u8 *headr;
-	int found = 0;
-	int c = 0;
-	int fr = 0;
-
-	while (found < 2 && c < count){
-		u8 b[2];
-		memcpy( b, mbuf+c, 2);
-
-		if ( b[0] == 0xff && (b[1] & 0xf8) == 0xf8)
-			found = 2;
-		else {
-			c++;
-		}
-	}
-
-	if (!found) return -1;
-
-	if (c+3 >= count) return -1;
-	headr = mbuf+c;
-
-	ai->layer = (headr[1] & 0x06) >> 1;
-
-	if (pr)
-		printk("Audiostream: Layer: %d", 4-ai->layer);
-
-
-	ai->bit_rate = bitrates[(3-ai->layer)][(headr[2] >> 4 )]*1000;
-
-	if (pr){
-		if (ai->bit_rate == 0)
-			printk("  Bit rate: free");
-		else if (ai->bit_rate == 0xf)
-			printk("  BRate: reserved");
-		else
-			printk("  BRate: %d kb/s", ai->bit_rate/1000);
-	}
-
-	fr = (headr[2] & 0x0c ) >> 2;
-	ai->frequency = freq[fr]*100;
-	if (pr){
-		if (ai->frequency == 3)
-			printk("  Freq: reserved\n");
-		else
-			printk("  Freq: %d kHz\n",ai->frequency);
-
-	}
-	ai->off = c;
-	return 0;
-}
-#endif
-
-
-int dvb_filter_get_ac3info(u8 *mbuf, int count, struct dvb_audio_info *ai, int pr)
-{
-	u8 *headr;
-	int found = 0;
-	int c = 0;
-	u8 frame = 0;
-	int fr = 0;
-
-	while ( !found  && c < count){
-		u8 *b = mbuf+c;
-
-		if ( b[0] == 0x0b &&  b[1] == 0x77 )
-			found = 1;
-		else {
-			c++;
-		}
-	}
-
-	if (!found) return -1;
-	if (pr)
-		printk("Audiostream: AC3");
-
-	ai->off = c;
-	if (c+5 >= count) return -1;
-
-	ai->layer = 0;  // 0 for AC3
-	headr = mbuf+c+2;
-
-	frame = (headr[2]&0x3f);
-	ai->bit_rate = ac3_bitrates[frame >> 1]*1000;
-
-	if (pr)
-		printk("  BRate: %d kb/s", (int) ai->bit_rate/1000);
-
-	ai->frequency = (headr[2] & 0xc0 ) >> 6;
-	fr = (headr[2] & 0xc0 ) >> 6;
-	ai->frequency = freq[fr]*100;
-	if (pr) printk ("  Freq: %d Hz\n", (int) ai->frequency);
-
-
-	ai->framesize = ac3_frames[fr][frame >> 1];
-	if ((frame & 1) &&  (fr == 1)) ai->framesize++;
-	ai->framesize = ai->framesize << 1;
-	if (pr) printk ("  Framesize %d\n",(int) ai->framesize);
-
-
-	return 0;
-}
-EXPORT_SYMBOL(dvb_filter_get_ac3info);
-
-
-#if 0
-static u8 *skip_pes_header(u8 **bufp)
-{
-	u8 *inbuf = *bufp;
-	u8 *buf = inbuf;
-	u8 *pts = NULL;
-	int skip = 0;
-
-	static const int mpeg1_skip_table[16] = {
-		1, 0xffff,      5,     10, 0xffff, 0xffff, 0xffff, 0xffff,
-		0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff
-	};
-
-
-	if ((inbuf[6] & 0xc0) == 0x80){ /* mpeg2 */
-		if (buf[7] & PTS_ONLY)
-			pts = buf+9;
-		else pts = NULL;
-		buf = inbuf + 9 + inbuf[8];
-	} else {        /* mpeg1 */
-		for (buf = inbuf + 6; *buf == 0xff; buf++)
-			if (buf == inbuf + 6 + 16) {
-				break;
-			}
-		if ((*buf & 0xc0) == 0x40)
-			buf += 2;
-		skip = mpeg1_skip_table [*buf >> 4];
-		if (skip == 5 || skip == 10) pts = buf;
-		else pts = NULL;
-
-		buf += mpeg1_skip_table [*buf >> 4];
-	}
-
-	*bufp = buf;
-	return pts;
-}
-#endif
-
-#if 0
-static void initialize_quant_matrix( u32 *matrix )
-{
-	int i;
-
-	matrix[0]  = 0x08101013;
-	matrix[1]  = 0x10131616;
-	matrix[2]  = 0x16161616;
-	matrix[3]  = 0x1a181a1b;
-	matrix[4]  = 0x1b1b1a1a;
-	matrix[5]  = 0x1a1a1b1b;
-	matrix[6]  = 0x1b1d1d1d;
-	matrix[7]  = 0x2222221d;
-	matrix[8]  = 0x1d1d1b1b;
-	matrix[9]  = 0x1d1d2020;
-	matrix[10] = 0x22222526;
-	matrix[11] = 0x25232322;
-	matrix[12] = 0x23262628;
-	matrix[13] = 0x28283030;
-	matrix[14] = 0x2e2e3838;
-	matrix[15] = 0x3a454553;
-
-	for ( i = 16 ; i < 32 ; i++ )
-		matrix[i] = 0x10101010;
-}
-#endif
-
-#if 0
-static void initialize_mpg_picture(struct mpg_picture *pic)
-{
-	int i;
-
-	/* set MPEG1 */
-	pic->mpeg1_flag = 1;
-	pic->profile_and_level = 0x4A ;        /* MP@LL */
-	pic->progressive_sequence = 1;
-	pic->low_delay = 0;
-
-	pic->sequence_display_extension_flag = 0;
-	for ( i = 0 ; i < 4 ; i++ ){
-		pic->frame_centre_horizontal_offset[i] = 0;
-		pic->frame_centre_vertical_offset[i] = 0;
-	}
-	pic->last_frame_centre_horizontal_offset = 0;
-	pic->last_frame_centre_vertical_offset = 0;
-
-	pic->picture_display_extension_flag[0] = 0;
-	pic->picture_display_extension_flag[1] = 0;
-	pic->sequence_header_flag = 0;
-	pic->gop_flag = 0;
-	pic->sequence_end_flag = 0;
-}
-#endif
-
-#if 0
-static void mpg_set_picture_parameter( int32_t field_type, struct mpg_picture *pic )
-{
-	int16_t last_h_offset;
-	int16_t last_v_offset;
-
-	int16_t *p_h_offset;
-	int16_t *p_v_offset;
-
-	if ( pic->mpeg1_flag ){
-		pic->picture_structure[field_type] = VIDEO_FRAME_PICTURE;
-		pic->top_field_first = 0;
-		pic->repeat_first_field = 0;
-		pic->progressive_frame = 1;
-		pic->picture_coding_parameter = 0x000010;
-	}
-
-	/* Reset flag */
-	pic->picture_display_extension_flag[field_type] = 0;
-
-	last_h_offset = pic->last_frame_centre_horizontal_offset;
-	last_v_offset = pic->last_frame_centre_vertical_offset;
-	if ( field_type == FIRST_FIELD ){
-		p_h_offset = pic->frame_centre_horizontal_offset;
-		p_v_offset = pic->frame_centre_vertical_offset;
-		*p_h_offset = last_h_offset;
-		*(p_h_offset + 1) = last_h_offset;
-		*(p_h_offset + 2) = last_h_offset;
-		*p_v_offset = last_v_offset;
-		*(p_v_offset + 1) = last_v_offset;
-		*(p_v_offset + 2) = last_v_offset;
-	} else {
-		pic->frame_centre_horizontal_offset[3] = last_h_offset;
-		pic->frame_centre_vertical_offset[3] = last_v_offset;
-	}
-}
-#endif
-
-#if 0
-static void init_mpg_picture( struct mpg_picture *pic, int chan, int32_t field_type)
-{
-	pic->picture_header = 0;
-	pic->sequence_header_data
-		= ( INIT_HORIZONTAL_SIZE << 20 )
-			| ( INIT_VERTICAL_SIZE << 8 )
-			| ( INIT_ASPECT_RATIO << 4 )
-			| ( INIT_FRAME_RATE );
-	pic->mpeg1_flag = 0;
-	pic->vinfo.horizontal_size
-		= INIT_DISP_HORIZONTAL_SIZE;
-	pic->vinfo.vertical_size
-		= INIT_DISP_VERTICAL_SIZE;
-	pic->picture_display_extension_flag[field_type]
-		= 0;
-	pic->pts_flag[field_type] = 0;
-
-	pic->sequence_gop_header = 0;
-	pic->picture_header = 0;
-	pic->sequence_header_flag = 0;
-	pic->gop_flag = 0;
-	pic->sequence_end_flag = 0;
-	pic->sequence_display_extension_flag = 0;
-	pic->last_frame_centre_horizontal_offset = 0;
-	pic->last_frame_centre_vertical_offset = 0;
-	pic->channel = chan;
-}
-#endif
-
-void dvb_filter_pes2ts_init(struct dvb_filter_pes2ts *p2ts, unsigned short pid,
-			    dvb_filter_pes2ts_cb_t *cb, void *priv)
-{
-	unsigned char *buf=p2ts->buf;
-
-	buf[0]=0x47;
-	buf[1]=(pid>>8);
-	buf[2]=pid&0xff;
-	p2ts->cc=0;
-	p2ts->cb=cb;
-	p2ts->priv=priv;
-}
-EXPORT_SYMBOL(dvb_filter_pes2ts_init);
-
-int dvb_filter_pes2ts(struct dvb_filter_pes2ts *p2ts, unsigned char *pes,
-		      int len, int payload_start)
-{
-	unsigned char *buf=p2ts->buf;
-	int ret=0, rest;
-
-	//len=6+((pes[4]<<8)|pes[5]);
-
-	if (payload_start)
-		buf[1]|=0x40;
-	else
-		buf[1]&=~0x40;
-	while (len>=184) {
-		buf[3]=0x10|((p2ts->cc++)&0x0f);
-		memcpy(buf+4, pes, 184);
-		if ((ret=p2ts->cb(p2ts->priv, buf)))
-			return ret;
-		len-=184; pes+=184;
-		buf[1]&=~0x40;
-	}
-	if (!len)
-		return 0;
-	buf[3]=0x30|((p2ts->cc++)&0x0f);
-	rest=183-len;
-	if (rest) {
-		buf[5]=0x00;
-		if (rest-1)
-			memset(buf+6, 0xff, rest-1);
-	}
-	buf[4]=rest;
-	memcpy(buf+5+rest, pes, len);
-	return p2ts->cb(p2ts->priv, buf);
-}
-EXPORT_SYMBOL(dvb_filter_pes2ts);
diff --git a/drivers/media/dvb-core/dvb_frontend.c b/drivers/media/dvb-core/dvb_frontend.c
index 01511e5a5566..db74cb74d271 100644
--- a/drivers/media/dvb-core/dvb_frontend.c
+++ b/drivers/media/dvb-core/dvb_frontend.c
@@ -28,6 +28,8 @@
 /* Enables DVBv3 compatibility bits at the headers */
 #define __DVB_CORE__
 
+#define pr_fmt(fmt) "dvb_frontend: " fmt
+
 #include <linux/string.h>
 #include <linux/kernel.h>
 #include <linux/sched.h>
@@ -67,6 +69,9 @@ MODULE_PARM_DESC(dvb_powerdown_on_sleep, "0: do not power down, 1: turn LNB volt
 module_param(dvb_mfe_wait_time, int, 0644);
 MODULE_PARM_DESC(dvb_mfe_wait_time, "Wait up to <mfe_wait_time> seconds on open() for multi-frontend to become available (default:5 seconds)");
 
+#define dprintk(fmt, arg...) \
+	printk(KERN_DEBUG pr_fmt("%s: " fmt), __func__, ##arg)
+
 #define FESTATE_IDLE 1
 #define FESTATE_RETUNE 2
 #define FESTATE_TUNING_FAST 4
@@ -99,8 +104,6 @@ MODULE_PARM_DESC(dvb_mfe_wait_time, "Wait up to <mfe_wait_time> seconds on open(
 static DEFINE_MUTEX(frontend_mutex);
 
 struct dvb_frontend_private {
-	struct kref refcount;
-
 	/* thread/frontend values */
 	struct dvb_device *dvbdev;
 	struct dvb_frontend_parameters parameters_out;
@@ -138,21 +141,30 @@ struct dvb_frontend_private {
 #endif
 };
 
-static void dvb_frontend_private_free(struct kref *ref)
+static void dvb_frontend_invoke_release(struct dvb_frontend *fe,
+					void (*release)(struct dvb_frontend *fe));
+
+static void dvb_frontend_free(struct kref *ref)
 {
-	struct dvb_frontend_private *fepriv =
-		container_of(ref, struct dvb_frontend_private, refcount);
+	struct dvb_frontend *fe =
+		container_of(ref, struct dvb_frontend, refcount);
+	struct dvb_frontend_private *fepriv = fe->frontend_priv;
+
+	dvb_free_device(fepriv->dvbdev);
+
+	dvb_frontend_invoke_release(fe, fe->ops.release);
+
 	kfree(fepriv);
 }
 
-static void dvb_frontend_private_put(struct dvb_frontend_private *fepriv)
+static void dvb_frontend_put(struct dvb_frontend *fe)
 {
-	kref_put(&fepriv->refcount, dvb_frontend_private_free);
+	kref_put(&fe->refcount, dvb_frontend_free);
 }
 
-static void dvb_frontend_private_get(struct dvb_frontend_private *fepriv)
+static void dvb_frontend_get(struct dvb_frontend *fe)
 {
-	kref_get(&fepriv->refcount);
+	kref_get(&fe->refcount);
 }
 
 static void dvb_frontend_wakeup(struct dvb_frontend *fe);
@@ -1515,12 +1527,8 @@ static int dtv_set_frontend(struct dvb_frontend *fe);
 
 static bool is_dvbv3_delsys(u32 delsys)
 {
-	bool status;
-
-	status = (delsys == SYS_DVBT) || (delsys == SYS_DVBC_ANNEX_A) ||
-		 (delsys == SYS_DVBS) || (delsys == SYS_ATSC);
-
-	return status;
+	return (delsys == SYS_DVBT) || (delsys == SYS_DVBC_ANNEX_A) ||
+	       (delsys == SYS_DVBS) || (delsys == SYS_ATSC);
 }
 
 /**
@@ -2356,7 +2364,8 @@ static int dvb_frontend_ioctl_legacy(struct file *file,
 			int i;
 			u8 last = 1;
 			if (dvb_frontend_debug)
-				printk("%s switch command: 0x%04lx\n", __func__, swcmd);
+				dprintk("%s switch command: 0x%04lx\n",
+					__func__, swcmd);
 			nexttime = ktime_get_boottime();
 			if (dvb_frontend_debug)
 				tv[0] = nexttime;
@@ -2379,10 +2388,10 @@ static int dvb_frontend_ioctl_legacy(struct file *file,
 					dvb_frontend_sleep_until(&nexttime, 8000);
 			}
 			if (dvb_frontend_debug) {
-				printk("%s(%d): switch delay (should be 32k followed by all 8k\n",
+				dprintk("%s(%d): switch delay (should be 32k followed by all 8k)\n",
 					__func__, fe->dvb->num);
 				for (i = 1; i < 10; i++)
-					printk("%d: %d\n", i,
+					pr_info("%d: %d\n", i,
 					(int) ktime_us_delta(tv[i], tv[i-1]));
 			}
 			err = 0;
@@ -2545,7 +2554,7 @@ static int dvb_frontend_open(struct inode *inode, struct file *file)
 		fepriv->events.eventr = fepriv->events.eventw = 0;
 	}
 
-	dvb_frontend_private_get(fepriv);
+	dvb_frontend_get(fe);
 
 	if (adapter->mfe_shared)
 		mutex_unlock (&adapter->mfe_lock);
@@ -2595,7 +2604,7 @@ static int dvb_frontend_release(struct inode *inode, struct file *file)
 			fe->ops.ts_bus_ctrl(fe, 0);
 	}
 
-	dvb_frontend_private_put(fepriv);
+	dvb_frontend_put(fe);
 
 	return ret;
 }
@@ -2685,7 +2694,14 @@ int dvb_register_frontend(struct dvb_adapter* dvb,
 	}
 	fepriv = fe->frontend_priv;
 
-	kref_init(&fepriv->refcount);
+	kref_init(&fe->refcount);
+
+	/*
+	 * After initialization, there need to be two references: one
+	 * for dvb_unregister_frontend(), and another one for
+	 * dvb_frontend_detach().
+	 */
+	dvb_frontend_get(fe);
 
 	sema_init(&fepriv->sem, 1);
 	init_waitqueue_head (&fepriv->wait_queue);
@@ -2720,50 +2736,33 @@ int dvb_unregister_frontend(struct dvb_frontend* fe)
 	dev_dbg(fe->dvb->device, "%s:\n", __func__);
 
 	mutex_lock(&frontend_mutex);
-	dvb_frontend_stop (fe);
-	dvb_unregister_device (fepriv->dvbdev);
+	dvb_frontend_stop(fe);
+	dvb_remove_device(fepriv->dvbdev);
 
 	/* fe is invalid now */
 	mutex_unlock(&frontend_mutex);
-	dvb_frontend_private_put(fepriv);
+	dvb_frontend_put(fe);
 	return 0;
 }
 EXPORT_SYMBOL(dvb_unregister_frontend);
 
-#ifdef CONFIG_MEDIA_ATTACH
-void dvb_frontend_detach(struct dvb_frontend* fe)
+static void dvb_frontend_invoke_release(struct dvb_frontend *fe,
+					void (*release)(struct dvb_frontend *fe))
 {
-	void *ptr;
-
-	if (fe->ops.release_sec) {
-		fe->ops.release_sec(fe);
-		dvb_detach(fe->ops.release_sec);
-	}
-	if (fe->ops.tuner_ops.release) {
-		fe->ops.tuner_ops.release(fe);
-		dvb_detach(fe->ops.tuner_ops.release);
-	}
-	if (fe->ops.analog_ops.release) {
-		fe->ops.analog_ops.release(fe);
-		dvb_detach(fe->ops.analog_ops.release);
-	}
-	ptr = (void*)fe->ops.release;
-	if (ptr) {
-		fe->ops.release(fe);
-		dvb_detach(ptr);
+	if (release) {
+		release(fe);
+#ifdef CONFIG_MEDIA_ATTACH
+		dvb_detach(release);
+#endif
 	}
 }
-#else
+
 void dvb_frontend_detach(struct dvb_frontend* fe)
 {
-	if (fe->ops.release_sec)
-		fe->ops.release_sec(fe);
-	if (fe->ops.tuner_ops.release)
-		fe->ops.tuner_ops.release(fe);
-	if (fe->ops.analog_ops.release)
-		fe->ops.analog_ops.release(fe);
-	if (fe->ops.release)
-		fe->ops.release(fe);
+	dvb_frontend_invoke_release(fe, fe->ops.release_sec);
+	dvb_frontend_invoke_release(fe, fe->ops.tuner_ops.release);
+	dvb_frontend_invoke_release(fe, fe->ops.analog_ops.release);
+	dvb_frontend_invoke_release(fe, fe->ops.detach);
+	dvb_frontend_put(fe);
 }
-#endif
 EXPORT_SYMBOL(dvb_frontend_detach);
diff --git a/drivers/media/dvb-core/dvb_frontend.h b/drivers/media/dvb-core/dvb_frontend.h
index fb6e84811504..482912d3b77a 100644
--- a/drivers/media/dvb-core/dvb_frontend.h
+++ b/drivers/media/dvb-core/dvb_frontend.h
@@ -225,7 +225,7 @@ struct dvb_tuner_ops {
 
 	struct dvb_tuner_info info;
 
-	int (*release)(struct dvb_frontend *fe);
+	void (*release)(struct dvb_frontend *fe);
 	int (*init)(struct dvb_frontend *fe);
 	int (*sleep)(struct dvb_frontend *fe);
 	int (*suspend)(struct dvb_frontend *fe);
@@ -323,7 +323,11 @@ struct dtv_frontend_properties;
  *
  * @info:		embedded struct dvb_tuner_info with tuner properties
  * @delsys:		Delivery systems supported by the frontend
- * @release:		callback function called when frontend is dettached.
+ * @detach:		callback function called when frontend is detached.
+ *			drivers should clean up, but not yet free the struct
+ *			dvb_frontend allocation.
+ * @release:		callback function called when frontend is ready to be
+ *			freed.
  *			drivers should free any allocated memory.
  * @release_sec:	callback function requesting that the Satelite Equipment
  *			Control (SEC) driver to release and free any memory
@@ -408,6 +412,7 @@ struct dvb_frontend_ops {
 
 	u8 delsys[MAX_DELSYS];
 
+	void (*detach)(struct dvb_frontend *fe);
 	void (*release)(struct dvb_frontend* fe);
 	void (*release_sec)(struct dvb_frontend* fe);
 
@@ -655,6 +660,7 @@ struct dtv_frontend_properties {
  */
 
 struct dvb_frontend {
+	struct kref refcount;
 	struct dvb_frontend_ops ops;
 	struct dvb_adapter *dvb;
 	void *demodulator_priv;
diff --git a/drivers/media/dvb-core/dvb_net.c b/drivers/media/dvb-core/dvb_net.c
index 0da622f5fe69..dfc03a95df71 100644
--- a/drivers/media/dvb-core/dvb_net.c
+++ b/drivers/media/dvb-core/dvb_net.c
@@ -54,6 +54,8 @@
  *
  */
 
+#define pr_fmt(fmt) "dvb_net: " fmt
+
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/netdevice.h>
@@ -309,451 +311,589 @@ static inline void reset_ule( struct dvb_net_priv *p )
  * Decode ULE SNDUs according to draft-ietf-ipdvb-ule-03.txt from a sequence of
  * TS cells of a single PID.
  */
-static void dvb_net_ule( struct net_device *dev, const u8 *buf, size_t buf_len )
-{
-	struct dvb_net_priv *priv = netdev_priv(dev);
-	unsigned long skipped = 0L;
-	const u8 *ts, *ts_end, *from_where = NULL;
-	u8 ts_remain = 0, how_much = 0, new_ts = 1;
-	struct ethhdr *ethh = NULL;
-	bool error = false;
 
+struct dvb_net_ule_handle {
+	struct net_device *dev;
+	struct dvb_net_priv *priv;
+	struct ethhdr *ethh;
+	const u8 *buf;
+	size_t buf_len;
+	unsigned long skipped;
+	const u8 *ts, *ts_end, *from_where;
+	u8 ts_remain, how_much, new_ts;
+	bool error;
 #ifdef ULE_DEBUG
-	/* The code inside ULE_DEBUG keeps a history of the last 100 TS cells processed. */
+	/*
+	 * The code inside ULE_DEBUG keeps a history of the
+	 * last 100 TS cells processed.
+	 */
 	static unsigned char ule_hist[100*TS_SZ];
 	static unsigned char *ule_where = ule_hist, ule_dump;
 #endif
+};
 
-	/* For all TS cells in current buffer.
-	 * Appearently, we are called for every single TS cell.
-	 */
-	for (ts = buf, ts_end = buf + buf_len; ts < ts_end; /* no default incr. */ ) {
-
-		if (new_ts) {
-			/* We are about to process a new TS cell. */
+static int dvb_net_ule_new_ts_cell(struct dvb_net_ule_handle *h)
+{
+	/* We are about to process a new TS cell. */
 
 #ifdef ULE_DEBUG
-			if (ule_where >= &ule_hist[100*TS_SZ]) ule_where = ule_hist;
-			memcpy( ule_where, ts, TS_SZ );
-			if (ule_dump) {
-				hexdump( ule_where, TS_SZ );
-				ule_dump = 0;
-			}
-			ule_where += TS_SZ;
+	if (h->ule_where >= &h->ule_hist[100*TS_SZ])
+		h->ule_where = h->ule_hist;
+	memcpy(h->ule_where, h->ts, TS_SZ);
+	if (h->ule_dump) {
+		hexdump(h->ule_where, TS_SZ);
+		h->ule_dump = 0;
+	}
+	h->ule_where += TS_SZ;
 #endif
 
-			/* Check TS error conditions: sync_byte, transport_error_indicator, scrambling_control . */
-			if ((ts[0] != TS_SYNC) || (ts[1] & TS_TEI) || ((ts[3] & TS_SC) != 0)) {
-				printk(KERN_WARNING "%lu: Invalid TS cell: SYNC %#x, TEI %u, SC %#x.\n",
-				       priv->ts_count, ts[0],
-				       (ts[1] & TS_TEI) >> 7,
-				       (ts[3] & TS_SC) >> 6);
-
-				/* Drop partly decoded SNDU, reset state, resync on PUSI. */
-				if (priv->ule_skb) {
-					dev_kfree_skb( priv->ule_skb );
-					/* Prepare for next SNDU. */
-					dev->stats.rx_errors++;
-					dev->stats.rx_frame_errors++;
-				}
-				reset_ule(priv);
-				priv->need_pusi = 1;
+	/*
+	 * Check TS h->error conditions: sync_byte, transport_error_indicator,
+	 * scrambling_control .
+	 */
+	if ((h->ts[0] != TS_SYNC) || (h->ts[1] & TS_TEI) ||
+	    ((h->ts[3] & TS_SC) != 0)) {
+		pr_warn("%lu: Invalid TS cell: SYNC %#x, TEI %u, SC %#x.\n",
+			h->priv->ts_count, h->ts[0],
+			(h->ts[1] & TS_TEI) >> 7,
+			(h->ts[3] & TS_SC) >> 6);
+
+		/* Drop partly decoded SNDU, reset state, resync on PUSI. */
+		if (h->priv->ule_skb) {
+			dev_kfree_skb(h->priv->ule_skb);
+			/* Prepare for next SNDU. */
+			h->dev->stats.rx_errors++;
+			h->dev->stats.rx_frame_errors++;
+		}
+		reset_ule(h->priv);
+		h->priv->need_pusi = 1;
 
-				/* Continue with next TS cell. */
-				ts += TS_SZ;
-				priv->ts_count++;
-				continue;
-			}
+		/* Continue with next TS cell. */
+		h->ts += TS_SZ;
+		h->priv->ts_count++;
+		return 1;
+	}
 
-			ts_remain = 184;
-			from_where = ts + 4;
+	h->ts_remain = 184;
+	h->from_where = h->ts + 4;
+
+	return 0;
+}
+
+static int dvb_net_ule_ts_pusi(struct dvb_net_ule_handle *h)
+{
+	if (h->ts[1] & TS_PUSI) {
+		/* Find beginning of first ULE SNDU in current TS cell. */
+		/* Synchronize continuity counter. */
+		h->priv->tscc = h->ts[3] & 0x0F;
+		/* There is a pointer field here. */
+		if (h->ts[4] > h->ts_remain) {
+			pr_err("%lu: Invalid ULE packet (pointer field %d)\n",
+				h->priv->ts_count, h->ts[4]);
+			h->ts += TS_SZ;
+			h->priv->ts_count++;
+			return 1;
 		}
-		/* Synchronize on PUSI, if required. */
-		if (priv->need_pusi) {
-			if (ts[1] & TS_PUSI) {
-				/* Find beginning of first ULE SNDU in current TS cell. */
-				/* Synchronize continuity counter. */
-				priv->tscc = ts[3] & 0x0F;
-				/* There is a pointer field here. */
-				if (ts[4] > ts_remain) {
-					printk(KERN_ERR "%lu: Invalid ULE packet "
-					       "(pointer field %d)\n", priv->ts_count, ts[4]);
-					ts += TS_SZ;
-					priv->ts_count++;
-					continue;
-				}
-				/* Skip to destination of pointer field. */
-				from_where = &ts[5] + ts[4];
-				ts_remain -= 1 + ts[4];
-				skipped = 0;
-			} else {
-				skipped++;
-				ts += TS_SZ;
-				priv->ts_count++;
-				continue;
-			}
+		/* Skip to destination of pointer field. */
+		h->from_where = &h->ts[5] + h->ts[4];
+		h->ts_remain -= 1 + h->ts[4];
+		h->skipped = 0;
+	} else {
+		h->skipped++;
+		h->ts += TS_SZ;
+		h->priv->ts_count++;
+		return 1;
+	}
+
+	return 0;
+}
+
+static int dvb_net_ule_new_ts(struct dvb_net_ule_handle *h)
+{
+	/* Check continuity counter. */
+	if ((h->ts[3] & 0x0F) == h->priv->tscc)
+		h->priv->tscc = (h->priv->tscc + 1) & 0x0F;
+	else {
+		/* TS discontinuity handling: */
+		pr_warn("%lu: TS discontinuity: got %#x, expected %#x.\n",
+			h->priv->ts_count, h->ts[3] & 0x0F,
+			h->priv->tscc);
+		/* Drop partly decoded SNDU, reset state, resync on PUSI. */
+		if (h->priv->ule_skb) {
+			dev_kfree_skb(h->priv->ule_skb);
+			/* Prepare for next SNDU. */
+			// reset_ule(h->priv);  moved to below.
+			h->dev->stats.rx_errors++;
+			h->dev->stats.rx_frame_errors++;
 		}
+		reset_ule(h->priv);
+		/* skip to next PUSI. */
+		h->priv->need_pusi = 1;
+		return 1;
+	}
+	/*
+	 * If we still have an incomplete payload, but PUSI is
+	 * set; some TS cells are missing.
+	 * This is only possible here, if we missed exactly 16 TS
+	 * cells (continuity counter wrap).
+	 */
+	if (h->ts[1] & TS_PUSI) {
+		if (!h->priv->need_pusi) {
+			if (!(*h->from_where < (h->ts_remain-1)) ||
+			    *h->from_where != h->priv->ule_sndu_remain) {
+				/*
+				 * Pointer field is invalid.
+				 * Drop this TS cell and any started ULE SNDU.
+				 */
+				pr_warn("%lu: Invalid pointer field: %u.\n",
+					h->priv->ts_count,
+					*h->from_where);
 
-		if (new_ts) {
-			/* Check continuity counter. */
-			if ((ts[3] & 0x0F) == priv->tscc)
-				priv->tscc = (priv->tscc + 1) & 0x0F;
-			else {
-				/* TS discontinuity handling: */
-				printk(KERN_WARNING "%lu: TS discontinuity: got %#x, "
-				       "expected %#x.\n", priv->ts_count, ts[3] & 0x0F, priv->tscc);
-				/* Drop partly decoded SNDU, reset state, resync on PUSI. */
-				if (priv->ule_skb) {
-					dev_kfree_skb( priv->ule_skb );
-					/* Prepare for next SNDU. */
-					// reset_ule(priv);  moved to below.
-					dev->stats.rx_errors++;
-					dev->stats.rx_frame_errors++;
+				/*
+				 * Drop partly decoded SNDU, reset state,
+				 * resync on PUSI.
+				 */
+				if (h->priv->ule_skb) {
+					h->error = true;
+					dev_kfree_skb(h->priv->ule_skb);
 				}
-				reset_ule(priv);
-				/* skip to next PUSI. */
-				priv->need_pusi = 1;
-				continue;
-			}
-			/* If we still have an incomplete payload, but PUSI is
-			 * set; some TS cells are missing.
-			 * This is only possible here, if we missed exactly 16 TS
-			 * cells (continuity counter wrap). */
-			if (ts[1] & TS_PUSI) {
-				if (! priv->need_pusi) {
-					if (!(*from_where < (ts_remain-1)) || *from_where != priv->ule_sndu_remain) {
-						/* Pointer field is invalid.  Drop this TS cell and any started ULE SNDU. */
-						printk(KERN_WARNING "%lu: Invalid pointer "
-						       "field: %u.\n", priv->ts_count, *from_where);
-
-						/* Drop partly decoded SNDU, reset state, resync on PUSI. */
-						if (priv->ule_skb) {
-							error = true;
-							dev_kfree_skb(priv->ule_skb);
-						}
-
-						if (error || priv->ule_sndu_remain) {
-							dev->stats.rx_errors++;
-							dev->stats.rx_frame_errors++;
-							error = false;
-						}
-
-						reset_ule(priv);
-						priv->need_pusi = 1;
-						continue;
-					}
-					/* Skip pointer field (we're processing a
-					 * packed payload). */
-					from_where += 1;
-					ts_remain -= 1;
-				} else
-					priv->need_pusi = 0;
-
-				if (priv->ule_sndu_remain > 183) {
-					/* Current SNDU lacks more data than there could be available in the
-					 * current TS cell. */
-					dev->stats.rx_errors++;
-					dev->stats.rx_length_errors++;
-					printk(KERN_WARNING "%lu: Expected %d more SNDU bytes, but "
-					       "got PUSI (pf %d, ts_remain %d).  Flushing incomplete payload.\n",
-					       priv->ts_count, priv->ule_sndu_remain, ts[4], ts_remain);
-					dev_kfree_skb(priv->ule_skb);
-					/* Prepare for next SNDU. */
-					reset_ule(priv);
-					/* Resync: go to where pointer field points to: start of next ULE SNDU. */
-					from_where += ts[4];
-					ts_remain -= ts[4];
+
+				if (h->error || h->priv->ule_sndu_remain) {
+					h->dev->stats.rx_errors++;
+					h->dev->stats.rx_frame_errors++;
+					h->error = false;
 				}
+
+				reset_ule(h->priv);
+				h->priv->need_pusi = 1;
+				return 1;
 			}
+			/*
+			 * Skip pointer field (we're processing a
+			 * packed payload).
+			 */
+			h->from_where += 1;
+			h->ts_remain -= 1;
+		} else
+			h->priv->need_pusi = 0;
+
+		if (h->priv->ule_sndu_remain > 183) {
+			/*
+			 * Current SNDU lacks more data than there
+			 * could be available in the current TS cell.
+			 */
+			h->dev->stats.rx_errors++;
+			h->dev->stats.rx_length_errors++;
+			pr_warn("%lu: Expected %d more SNDU bytes, but got PUSI (pf %d, h->ts_remain %d).  Flushing incomplete payload.\n",
+				h->priv->ts_count,
+				h->priv->ule_sndu_remain,
+				h->ts[4], h->ts_remain);
+			dev_kfree_skb(h->priv->ule_skb);
+			/* Prepare for next SNDU. */
+			reset_ule(h->priv);
+			/*
+			 * Resync: go to where pointer field points to:
+			 * start of next ULE SNDU.
+			 */
+			h->from_where += h->ts[4];
+			h->ts_remain -= h->ts[4];
 		}
+	}
+	return 0;
+}
 
-		/* Check if new payload needs to be started. */
-		if (priv->ule_skb == NULL) {
-			/* Start a new payload with skb.
-			 * Find ULE header.  It is only guaranteed that the
-			 * length field (2 bytes) is contained in the current
-			 * TS.
-			 * Check ts_remain has to be >= 2 here. */
-			if (ts_remain < 2) {
-				printk(KERN_WARNING "Invalid payload packing: only %d "
-				       "bytes left in TS.  Resyncing.\n", ts_remain);
-				priv->ule_sndu_len = 0;
-				priv->need_pusi = 1;
-				ts += TS_SZ;
-				continue;
-			}
 
-			if (! priv->ule_sndu_len) {
-				/* Got at least two bytes, thus extrace the SNDU length. */
-				priv->ule_sndu_len = from_where[0] << 8 | from_where[1];
-				if (priv->ule_sndu_len & 0x8000) {
-					/* D-Bit is set: no dest mac present. */
-					priv->ule_sndu_len &= 0x7FFF;
-					priv->ule_dbit = 1;
-				} else
-					priv->ule_dbit = 0;
-
-				if (priv->ule_sndu_len < 5) {
-					printk(KERN_WARNING "%lu: Invalid ULE SNDU length %u. "
-					       "Resyncing.\n", priv->ts_count, priv->ule_sndu_len);
-					dev->stats.rx_errors++;
-					dev->stats.rx_length_errors++;
-					priv->ule_sndu_len = 0;
-					priv->need_pusi = 1;
-					new_ts = 1;
-					ts += TS_SZ;
-					priv->ts_count++;
-					continue;
-				}
-				ts_remain -= 2;	/* consume the 2 bytes SNDU length. */
-				from_where += 2;
-			}
+/*
+ * Start a new payload with skb.
+ * Find ULE header.  It is only guaranteed that the
+ * length field (2 bytes) is contained in the current
+ * TS.
+ * Check h.ts_remain has to be >= 2 here.
+ */
+static int dvb_net_ule_new_payload(struct dvb_net_ule_handle *h)
+{
+	if (h->ts_remain < 2) {
+		pr_warn("Invalid payload packing: only %d bytes left in TS.  Resyncing.\n",
+			h->ts_remain);
+		h->priv->ule_sndu_len = 0;
+		h->priv->need_pusi = 1;
+		h->ts += TS_SZ;
+		return 1;
+	}
 
-			priv->ule_sndu_remain = priv->ule_sndu_len + 2;
+	if (!h->priv->ule_sndu_len) {
+		/* Got at least two bytes, thus extrace the SNDU length. */
+		h->priv->ule_sndu_len = h->from_where[0] << 8 |
+					h->from_where[1];
+		if (h->priv->ule_sndu_len & 0x8000) {
+			/* D-Bit is set: no dest mac present. */
+			h->priv->ule_sndu_len &= 0x7FFF;
+			h->priv->ule_dbit = 1;
+		} else
+			h->priv->ule_dbit = 0;
+
+		if (h->priv->ule_sndu_len < 5) {
+			pr_warn("%lu: Invalid ULE SNDU length %u. Resyncing.\n",
+				h->priv->ts_count,
+				h->priv->ule_sndu_len);
+			h->dev->stats.rx_errors++;
+			h->dev->stats.rx_length_errors++;
+			h->priv->ule_sndu_len = 0;
+			h->priv->need_pusi = 1;
+			h->new_ts = 1;
+			h->ts += TS_SZ;
+			h->priv->ts_count++;
+			return 1;
+		}
+		h->ts_remain -= 2;	/* consume the 2 bytes SNDU length. */
+		h->from_where += 2;
+	}
+
+	h->priv->ule_sndu_remain = h->priv->ule_sndu_len + 2;
+	/*
+	 * State of current TS:
+	 *   h->ts_remain (remaining bytes in the current TS cell)
+	 *   0	ule_type is not available now, we need the next TS cell
+	 *   1	the first byte of the ule_type is present
+	 * >=2	full ULE header present, maybe some payload data as well.
+	 */
+	switch (h->ts_remain) {
+	case 1:
+		h->priv->ule_sndu_remain--;
+		h->priv->ule_sndu_type = h->from_where[0] << 8;
+
+		/* first byte of ule_type is set. */
+		h->priv->ule_sndu_type_1 = 1;
+		h->ts_remain -= 1;
+		h->from_where += 1;
+		/* fallthrough */
+	case 0:
+		h->new_ts = 1;
+		h->ts += TS_SZ;
+		h->priv->ts_count++;
+		return 1;
+
+	default: /* complete ULE header is present in current TS. */
+		/* Extract ULE type field. */
+		if (h->priv->ule_sndu_type_1) {
+			h->priv->ule_sndu_type_1 = 0;
+			h->priv->ule_sndu_type |= h->from_where[0];
+			h->from_where += 1; /* points to payload start. */
+			h->ts_remain -= 1;
+		} else {
+			/* Complete type is present in new TS. */
+			h->priv->ule_sndu_type = h->from_where[0] << 8 |
+						 h->from_where[1];
+			h->from_where += 2; /* points to payload start. */
+			h->ts_remain -= 2;
+		}
+		break;
+	}
+
+	/*
+	 * Allocate the skb (decoder target buffer) with the correct size,
+	 * as follows:
+	 *
+	 * prepare for the largest case: bridged SNDU with MAC address
+	 * (dbit = 0).
+	 */
+	h->priv->ule_skb = dev_alloc_skb(h->priv->ule_sndu_len +
+					 ETH_HLEN + ETH_ALEN);
+	if (!h->priv->ule_skb) {
+		pr_notice("%s: Memory squeeze, dropping packet.\n",
+			  h->dev->name);
+		h->dev->stats.rx_dropped++;
+		return -1;
+	}
+
+	/* This includes the CRC32 _and_ dest mac, if !dbit. */
+	h->priv->ule_sndu_remain = h->priv->ule_sndu_len;
+	h->priv->ule_skb->dev = h->dev;
+	/*
+	 * Leave space for Ethernet or bridged SNDU header
+	 * (eth hdr plus one MAC addr).
+	 */
+	skb_reserve(h->priv->ule_skb, ETH_HLEN + ETH_ALEN);
+
+	return 0;
+}
+
+
+static int dvb_net_ule_should_drop(struct dvb_net_ule_handle *h)
+{
+	static const u8 bc_addr[ETH_ALEN] = { [0 ... ETH_ALEN - 1] = 0xff };
+
+	/*
+	 * The destination MAC address is the next data in the skb.  It comes
+	 * before any extension headers.
+	 *
+	 * Check if the payload of this SNDU should be passed up the stack.
+	 */
+	if (h->priv->rx_mode == RX_MODE_PROMISC)
+		return 0;
+
+	if (h->priv->ule_skb->data[0] & 0x01) {
+		/* multicast or broadcast */
+		if (!ether_addr_equal(h->priv->ule_skb->data, bc_addr)) {
+			/* multicast */
+			if (h->priv->rx_mode == RX_MODE_MULTI) {
+				int i;
+
+				for (i = 0; i < h->priv->multi_num &&
+				     !ether_addr_equal(h->priv->ule_skb->data,
+						       h->priv->multi_macs[i]);
+				     i++)
+					;
+				if (i == h->priv->multi_num)
+					return 1;
+			} else if (h->priv->rx_mode != RX_MODE_ALL_MULTI)
+				return 1; /* no broadcast; */
 			/*
-			 * State of current TS:
-			 *   ts_remain (remaining bytes in the current TS cell)
-			 *   0	ule_type is not available now, we need the next TS cell
-			 *   1	the first byte of the ule_type is present
-			 * >=2	full ULE header present, maybe some payload data as well.
+			 * else:
+			 * all multicast mode: accept all multicast packets
 			 */
-			switch (ts_remain) {
-				case 1:
-					priv->ule_sndu_remain--;
-					priv->ule_sndu_type = from_where[0] << 8;
-					priv->ule_sndu_type_1 = 1; /* first byte of ule_type is set. */
-					ts_remain -= 1; from_where += 1;
-					/* Continue w/ next TS. */
-				case 0:
-					new_ts = 1;
-					ts += TS_SZ;
-					priv->ts_count++;
-					continue;
-
-				default: /* complete ULE header is present in current TS. */
-					/* Extract ULE type field. */
-					if (priv->ule_sndu_type_1) {
-						priv->ule_sndu_type_1 = 0;
-						priv->ule_sndu_type |= from_where[0];
-						from_where += 1; /* points to payload start. */
-						ts_remain -= 1;
-					} else {
-						/* Complete type is present in new TS. */
-						priv->ule_sndu_type = from_where[0] << 8 | from_where[1];
-						from_where += 2; /* points to payload start. */
-						ts_remain -= 2;
-					}
-					break;
-			}
+		}
+		/* else: broadcast */
+	} else if (!ether_addr_equal(h->priv->ule_skb->data, h->dev->dev_addr))
+		return 1;
 
-			/* Allocate the skb (decoder target buffer) with the correct size, as follows:
-			 * prepare for the largest case: bridged SNDU with MAC address (dbit = 0). */
-			priv->ule_skb = dev_alloc_skb( priv->ule_sndu_len + ETH_HLEN + ETH_ALEN );
-			if (priv->ule_skb == NULL) {
-				printk(KERN_NOTICE "%s: Memory squeeze, dropping packet.\n",
-				       dev->name);
-				dev->stats.rx_dropped++;
-				return;
-			}
+	return 0;
+}
+
+
+static void dvb_net_ule_check_crc(struct dvb_net_ule_handle *h,
+				  u32 ule_crc, u32 expected_crc)
+{
+	u8 dest_addr[ETH_ALEN];
+
+	if (ule_crc != expected_crc) {
+		pr_warn("%lu: CRC32 check FAILED: %08x / %08x, SNDU len %d type %#x, ts_remain %d, next 2: %x.\n",
+			h->priv->ts_count, ule_crc, expected_crc,
+			h->priv->ule_sndu_len, h->priv->ule_sndu_type,
+			h->ts_remain,
+			h->ts_remain > 2 ?
+				*(unsigned short *)h->from_where : 0);
+
+	#ifdef ULE_DEBUG
+		hexdump(iov[0].iov_base, iov[0].iov_len);
+		hexdump(iov[1].iov_base, iov[1].iov_len);
+		hexdump(iov[2].iov_base, iov[2].iov_len);
+
+		if (h->ule_where == h->ule_hist) {
+			hexdump(&h->ule_hist[98*TS_SZ], TS_SZ);
+			hexdump(&h->ule_hist[99*TS_SZ], TS_SZ);
+		} else if (h->ule_where == &h->ule_hist[TS_SZ]) {
+			hexdump(&h->ule_hist[99*TS_SZ], TS_SZ);
+			hexdump(h->ule_hist, TS_SZ);
+		} else {
+			hexdump(h->ule_where - TS_SZ - TS_SZ, TS_SZ);
+			hexdump(h->ule_where - TS_SZ, TS_SZ);
+		}
+		h->ule_dump = 1;
+	#endif
+
+		h->dev->stats.rx_errors++;
+		h->dev->stats.rx_crc_errors++;
+		dev_kfree_skb(h->priv->ule_skb);
+
+		return;
+	}
+
+	/* CRC32 verified OK. */
+
+	/* CRC32 was OK, so remove it from skb. */
+	h->priv->ule_skb->tail -= 4;
+	h->priv->ule_skb->len -= 4;
+
+	if (!h->priv->ule_dbit) {
+		if (dvb_net_ule_should_drop(h)) {
+#ifdef ULE_DEBUG
+			netdev_dbg(h->dev,
+				   "Dropping SNDU: MAC destination address does not match: dest addr: %pM, h->dev addr: %pM\n",
+				   h->priv->ule_skb->data, h->dev->dev_addr);
+#endif
+			dev_kfree_skb(h->priv->ule_skb);
+			return;
+		}
+
+		skb_copy_from_linear_data(h->priv->ule_skb, dest_addr,
+					  ETH_ALEN);
+		skb_pull(h->priv->ule_skb, ETH_ALEN);
+	}
+
+	/* Handle ULE Extension Headers. */
+	if (h->priv->ule_sndu_type < ETH_P_802_3_MIN) {
+		/* There is an extension header.  Handle it accordingly. */
+		int l = handle_ule_extensions(h->priv);
+
+		if (l < 0) {
+			/*
+			 * Mandatory extension header unknown or TEST SNDU.
+			 * Drop it.
+			 */
+
+			// pr_warn("Dropping SNDU, extension headers.\n" );
+			dev_kfree_skb(h->priv->ule_skb);
+			return;
+		}
+		skb_pull(h->priv->ule_skb, l);
+	}
+
+	/*
+	 * Construct/assure correct ethernet header.
+	 * Note: in bridged mode (h->priv->ule_bridged != 0)
+	 * we already have the (original) ethernet
+	 * header at the start of the payload (after
+	 * optional dest. address and any extension
+	 * headers).
+	 */
+	if (!h->priv->ule_bridged) {
+		skb_push(h->priv->ule_skb, ETH_HLEN);
+		h->ethh = (struct ethhdr *)h->priv->ule_skb->data;
+		if (!h->priv->ule_dbit) {
+			/*
+			 * dest_addr buffer is only valid if
+			 * h->priv->ule_dbit == 0
+			 */
+			memcpy(h->ethh->h_dest, dest_addr, ETH_ALEN);
+			eth_zero_addr(h->ethh->h_source);
+		} else /* zeroize source and dest */
+			memset(h->ethh, 0, ETH_ALEN * 2);
 
-			/* This includes the CRC32 _and_ dest mac, if !dbit. */
-			priv->ule_sndu_remain = priv->ule_sndu_len;
-			priv->ule_skb->dev = dev;
-			/* Leave space for Ethernet or bridged SNDU header (eth hdr plus one MAC addr). */
-			skb_reserve( priv->ule_skb, ETH_HLEN + ETH_ALEN );
+		h->ethh->h_proto = htons(h->priv->ule_sndu_type);
+	}
+	/* else:  skb is in correct state; nothing to do. */
+	h->priv->ule_bridged = 0;
+
+	/* Stuff into kernel's protocol stack. */
+	h->priv->ule_skb->protocol = dvb_net_eth_type_trans(h->priv->ule_skb,
+							   h->dev);
+	/*
+	 * If D-bit is set (i.e. destination MAC address not present),
+	 * receive the packet anyhow.
+	 */
+#if 0
+	if (h->priv->ule_dbit && skb->pkt_type == PACKET_OTHERHOST)
+		h->priv->ule_skb->pkt_type = PACKET_HOST;
+#endif
+	h->dev->stats.rx_packets++;
+	h->dev->stats.rx_bytes += h->priv->ule_skb->len;
+	netif_rx(h->priv->ule_skb);
+}
+
+static void dvb_net_ule(struct net_device *dev, const u8 *buf, size_t buf_len)
+{
+	int ret;
+	struct dvb_net_ule_handle h = {
+		.dev = dev,
+		.buf = buf,
+		.buf_len = buf_len,
+		.skipped = 0L,
+		.ts = NULL,
+		.ts_end = NULL,
+		.from_where = NULL,
+		.ts_remain = 0,
+		.how_much = 0,
+		.new_ts = 1,
+		.ethh = NULL,
+		.error = false,
+#ifdef ULE_DEBUG
+		.ule_where = ule_hist,
+#endif
+	};
+
+	/*
+	 * For all TS cells in current buffer.
+	 * Appearently, we are called for every single TS cell.
+	 */
+	for (h.ts = h.buf, h.ts_end = h.buf + h.buf_len;
+	     h.ts < h.ts_end; /* no incr. */) {
+		if (h.new_ts) {
+			/* We are about to process a new TS cell. */
+			if (dvb_net_ule_new_ts_cell(&h))
+				continue;
+		}
+
+		/* Synchronize on PUSI, if required. */
+		if (h.priv->need_pusi) {
+			if (dvb_net_ule_ts_pusi(&h))
+				continue;
+		}
+
+		if (h.new_ts) {
+			if (dvb_net_ule_new_ts(&h))
+				continue;
+		}
+
+		/* Check if new payload needs to be started. */
+		if (h.priv->ule_skb == NULL) {
+			ret = dvb_net_ule_new_payload(&h);
+			if (ret < 0)
+				return;
+			if (ret)
+				continue;
 		}
 
 		/* Copy data into our current skb. */
-		how_much = min(priv->ule_sndu_remain, (int)ts_remain);
-		memcpy(skb_put(priv->ule_skb, how_much), from_where, how_much);
-		priv->ule_sndu_remain -= how_much;
-		ts_remain -= how_much;
-		from_where += how_much;
+		h.how_much = min(h.priv->ule_sndu_remain, (int)h.ts_remain);
+		memcpy(skb_put(h.priv->ule_skb, h.how_much),
+		       h.from_where, h.how_much);
+		h.priv->ule_sndu_remain -= h.how_much;
+		h.ts_remain -= h.how_much;
+		h.from_where += h.how_much;
 
 		/* Check for complete payload. */
-		if (priv->ule_sndu_remain <= 0) {
+		if (h.priv->ule_sndu_remain <= 0) {
 			/* Check CRC32, we've got it in our skb already. */
-			__be16 ulen = htons(priv->ule_sndu_len);
-			__be16 utype = htons(priv->ule_sndu_type);
+			__be16 ulen = htons(h.priv->ule_sndu_len);
+			__be16 utype = htons(h.priv->ule_sndu_type);
 			const u8 *tail;
 			struct kvec iov[3] = {
 				{ &ulen, sizeof ulen },
 				{ &utype, sizeof utype },
-				{ priv->ule_skb->data, priv->ule_skb->len - 4 }
+				{ h.priv->ule_skb->data,
+				  h.priv->ule_skb->len - 4 }
 			};
 			u32 ule_crc = ~0L, expected_crc;
-			if (priv->ule_dbit) {
+			if (h.priv->ule_dbit) {
 				/* Set D-bit for CRC32 verification,
 				 * if it was set originally. */
 				ulen |= htons(0x8000);
 			}
 
 			ule_crc = iov_crc32(ule_crc, iov, 3);
-			tail = skb_tail_pointer(priv->ule_skb);
+			tail = skb_tail_pointer(h.priv->ule_skb);
 			expected_crc = *(tail - 4) << 24 |
 				       *(tail - 3) << 16 |
 				       *(tail - 2) << 8 |
 				       *(tail - 1);
-			if (ule_crc != expected_crc) {
-				printk(KERN_WARNING "%lu: CRC32 check FAILED: %08x / %08x, SNDU len %d type %#x, ts_remain %d, next 2: %x.\n",
-				       priv->ts_count, ule_crc, expected_crc, priv->ule_sndu_len, priv->ule_sndu_type, ts_remain, ts_remain > 2 ? *(unsigned short *)from_where : 0);
 
-#ifdef ULE_DEBUG
-				hexdump( iov[0].iov_base, iov[0].iov_len );
-				hexdump( iov[1].iov_base, iov[1].iov_len );
-				hexdump( iov[2].iov_base, iov[2].iov_len );
-
-				if (ule_where == ule_hist) {
-					hexdump( &ule_hist[98*TS_SZ], TS_SZ );
-					hexdump( &ule_hist[99*TS_SZ], TS_SZ );
-				} else if (ule_where == &ule_hist[TS_SZ]) {
-					hexdump( &ule_hist[99*TS_SZ], TS_SZ );
-					hexdump( ule_hist, TS_SZ );
-				} else {
-					hexdump( ule_where - TS_SZ - TS_SZ, TS_SZ );
-					hexdump( ule_where - TS_SZ, TS_SZ );
-				}
-				ule_dump = 1;
-#endif
+			dvb_net_ule_check_crc(&h, ule_crc, expected_crc);
 
-				dev->stats.rx_errors++;
-				dev->stats.rx_crc_errors++;
-				dev_kfree_skb(priv->ule_skb);
-			} else {
-				/* CRC32 verified OK. */
-				u8 dest_addr[ETH_ALEN];
-				static const u8 bc_addr[ETH_ALEN] =
-					{ [ 0 ... ETH_ALEN-1] = 0xff };
-
-				/* CRC32 was OK. Remove it from skb. */
-				priv->ule_skb->tail -= 4;
-				priv->ule_skb->len -= 4;
-
-				if (!priv->ule_dbit) {
-					/*
-					 * The destination MAC address is the
-					 * next data in the skb.  It comes
-					 * before any extension headers.
-					 *
-					 * Check if the payload of this SNDU
-					 * should be passed up the stack.
-					 */
-					register int drop = 0;
-					if (priv->rx_mode != RX_MODE_PROMISC) {
-						if (priv->ule_skb->data[0] & 0x01) {
-							/* multicast or broadcast */
-							if (!ether_addr_equal(priv->ule_skb->data, bc_addr)) {
-								/* multicast */
-								if (priv->rx_mode == RX_MODE_MULTI) {
-									int i;
-									for(i = 0; i < priv->multi_num &&
-									    !ether_addr_equal(priv->ule_skb->data,
-											      priv->multi_macs[i]); i++)
-										;
-									if (i == priv->multi_num)
-										drop = 1;
-								} else if (priv->rx_mode != RX_MODE_ALL_MULTI)
-									drop = 1; /* no broadcast; */
-								/* else: all multicast mode: accept all multicast packets */
-							}
-							/* else: broadcast */
-						}
-						else if (!ether_addr_equal(priv->ule_skb->data, dev->dev_addr))
-							drop = 1;
-						/* else: destination address matches the MAC address of our receiver device */
-					}
-					/* else: promiscuous mode; pass everything up the stack */
-
-					if (drop) {
-#ifdef ULE_DEBUG
-						netdev_dbg(dev, "Dropping SNDU: MAC destination address does not match: dest addr: %pM, dev addr: %pM\n",
-							   priv->ule_skb->data, dev->dev_addr);
-#endif
-						dev_kfree_skb(priv->ule_skb);
-						goto sndu_done;
-					}
-					else
-					{
-						skb_copy_from_linear_data(priv->ule_skb,
-							      dest_addr,
-							      ETH_ALEN);
-						skb_pull(priv->ule_skb, ETH_ALEN);
-					}
-				}
-
-				/* Handle ULE Extension Headers. */
-				if (priv->ule_sndu_type < ETH_P_802_3_MIN) {
-					/* There is an extension header.  Handle it accordingly. */
-					int l = handle_ule_extensions(priv);
-					if (l < 0) {
-						/* Mandatory extension header unknown or TEST SNDU.  Drop it. */
-						// printk( KERN_WARNING "Dropping SNDU, extension headers.\n" );
-						dev_kfree_skb(priv->ule_skb);
-						goto sndu_done;
-					}
-					skb_pull(priv->ule_skb, l);
-				}
-
-				/*
-				 * Construct/assure correct ethernet header.
-				 * Note: in bridged mode (priv->ule_bridged !=
-				 * 0) we already have the (original) ethernet
-				 * header at the start of the payload (after
-				 * optional dest. address and any extension
-				 * headers).
-				 */
-
-				if (!priv->ule_bridged) {
-					skb_push(priv->ule_skb, ETH_HLEN);
-					ethh = (struct ethhdr *)priv->ule_skb->data;
-					if (!priv->ule_dbit) {
-						 /* dest_addr buffer is only valid if priv->ule_dbit == 0 */
-						memcpy(ethh->h_dest, dest_addr, ETH_ALEN);
-						eth_zero_addr(ethh->h_source);
-					}
-					else /* zeroize source and dest */
-						memset( ethh, 0, ETH_ALEN*2 );
-
-					ethh->h_proto = htons(priv->ule_sndu_type);
-				}
-				/* else:  skb is in correct state; nothing to do. */
-				priv->ule_bridged = 0;
-
-				/* Stuff into kernel's protocol stack. */
-				priv->ule_skb->protocol = dvb_net_eth_type_trans(priv->ule_skb, dev);
-				/* If D-bit is set (i.e. destination MAC address not present),
-				 * receive the packet anyhow. */
-				/* if (priv->ule_dbit && skb->pkt_type == PACKET_OTHERHOST)
-					priv->ule_skb->pkt_type = PACKET_HOST; */
-				dev->stats.rx_packets++;
-				dev->stats.rx_bytes += priv->ule_skb->len;
-				netif_rx(priv->ule_skb);
-			}
-			sndu_done:
 			/* Prepare for next SNDU. */
-			reset_ule(priv);
+			reset_ule(h.priv);
 		}
 
 		/* More data in current TS (look at the bytes following the CRC32)? */
-		if (ts_remain >= 2 && *((unsigned short *)from_where) != 0xFFFF) {
+		if (h.ts_remain >= 2 && *((unsigned short *)h.from_where) != 0xFFFF) {
 			/* Next ULE SNDU starts right there. */
-			new_ts = 0;
-			priv->ule_skb = NULL;
-			priv->ule_sndu_type_1 = 0;
-			priv->ule_sndu_len = 0;
-			// printk(KERN_WARNING "More data in current TS: [%#x %#x %#x %#x]\n",
-			//	*(from_where + 0), *(from_where + 1),
-			//	*(from_where + 2), *(from_where + 3));
-			// printk(KERN_WARNING "ts @ %p, stopped @ %p:\n", ts, from_where + 0);
-			// hexdump(ts, 188);
+			h.new_ts = 0;
+			h.priv->ule_skb = NULL;
+			h.priv->ule_sndu_type_1 = 0;
+			h.priv->ule_sndu_len = 0;
+			// pr_warn("More data in current TS: [%#x %#x %#x %#x]\n",
+			//	*(h.from_where + 0), *(h.from_where + 1),
+			//	*(h.from_where + 2), *(h.from_where + 3));
+			// pr_warn("h.ts @ %p, stopped @ %p:\n", h.ts, h.from_where + 0);
+			// hexdump(h.ts, 188);
 		} else {
-			new_ts = 1;
-			ts += TS_SZ;
-			priv->ts_count++;
-			if (priv->ule_skb == NULL) {
-				priv->need_pusi = 1;
-				priv->ule_sndu_type_1 = 0;
-				priv->ule_sndu_len = 0;
+			h.new_ts = 1;
+			h.ts += TS_SZ;
+			h.priv->ts_count++;
+			if (h.priv->ule_skb == NULL) {
+				h.priv->need_pusi = 1;
+				h.priv->ule_sndu_type_1 = 0;
+				h.priv->ule_sndu_len = 0;
 			}
 		}
 	}	/* for all available TS cells */
@@ -766,10 +906,10 @@ static int dvb_net_ts_callback(const u8 *buffer1, size_t buffer1_len,
 	struct net_device *dev = feed->priv;
 
 	if (buffer2)
-		printk(KERN_WARNING "buffer2 not NULL: %p.\n", buffer2);
+		pr_warn("buffer2 not NULL: %p.\n", buffer2);
 	if (buffer1_len > 32768)
-		printk(KERN_WARNING "length > 32k: %zu.\n", buffer1_len);
-	/* printk("TS callback: %u bytes, %u TS cells @ %p.\n",
+		pr_warn("length > 32k: %zu.\n", buffer1_len);
+	/* pr_info("TS callback: %u bytes, %u TS cells @ %p.\n",
 		  buffer1_len, buffer1_len / TS_SZ, buffer1); */
 	dvb_net_ule(dev, buffer1, buffer1_len);
 	return 0;
@@ -786,7 +926,7 @@ static void dvb_net_sec(struct net_device *dev,
 
 	/* note: pkt_len includes a 32bit checksum */
 	if (pkt_len < 16) {
-		printk("%s: IP/MPE packet length = %d too small.\n",
+		pr_warn("%s: IP/MPE packet length = %d too small.\n",
 			dev->name, pkt_len);
 		stats->rx_errors++;
 		stats->rx_length_errors++;
@@ -824,7 +964,7 @@ static void dvb_net_sec(struct net_device *dev,
 	 * 12 byte MPE header; 4 byte checksum; + 2 byte alignment, 8 byte LLC/SNAP
 	 */
 	if (!(skb = dev_alloc_skb(pkt_len - 4 - 12 + 14 + 2 - snap))) {
-		//printk(KERN_NOTICE "%s: Memory squeeze, dropping packet.\n", dev->name);
+		//pr_notice("%s: Memory squeeze, dropping packet.\n", dev->name);
 		stats->rx_dropped++;
 		return;
 	}
@@ -903,7 +1043,7 @@ static int dvb_net_filter_sec_set(struct net_device *dev,
 	*secfilter=NULL;
 	ret = priv->secfeed->allocate_filter(priv->secfeed, secfilter);
 	if (ret<0) {
-		printk("%s: could not get filter\n", dev->name);
+		pr_err("%s: could not get filter\n", dev->name);
 		return ret;
 	}
 
@@ -944,7 +1084,7 @@ static int dvb_net_feed_start(struct net_device *dev)
 	netdev_dbg(dev, "rx_mode %i\n", priv->rx_mode);
 	mutex_lock(&priv->mutex);
 	if (priv->tsfeed || priv->secfeed || priv->secfilter || priv->multi_secfilter[0])
-		printk("%s: BUG %d\n", __func__, __LINE__);
+		pr_err("%s: BUG %d\n", __func__, __LINE__);
 
 	priv->secfeed=NULL;
 	priv->secfilter=NULL;
@@ -955,14 +1095,15 @@ static int dvb_net_feed_start(struct net_device *dev)
 		ret=demux->allocate_section_feed(demux, &priv->secfeed,
 					 dvb_net_sec_callback);
 		if (ret<0) {
-			printk("%s: could not allocate section feed\n", dev->name);
+			pr_err("%s: could not allocate section feed\n",
+			       dev->name);
 			goto error;
 		}
 
-		ret = priv->secfeed->set(priv->secfeed, priv->pid, 32768, 1);
+		ret = priv->secfeed->set(priv->secfeed, priv->pid, 1);
 
 		if (ret<0) {
-			printk("%s: could not set section feed\n", dev->name);
+			pr_err("%s: could not set section feed\n", dev->name);
 			priv->demux->release_section_feed(priv->demux, priv->secfeed);
 			priv->secfeed=NULL;
 			goto error;
@@ -1003,7 +1144,7 @@ static int dvb_net_feed_start(struct net_device *dev)
 		netdev_dbg(dev, "alloc tsfeed\n");
 		ret = demux->allocate_ts_feed(demux, &priv->tsfeed, dvb_net_ts_callback);
 		if (ret < 0) {
-			printk("%s: could not allocate ts feed\n", dev->name);
+			pr_err("%s: could not allocate ts feed\n", dev->name);
 			goto error;
 		}
 
@@ -1013,12 +1154,11 @@ static int dvb_net_feed_start(struct net_device *dev)
 					priv->pid, /* pid */
 					TS_PACKET, /* type */
 					DMX_PES_OTHER, /* pes type */
-					32768,     /* circular buffer size */
 					timeout    /* timeout */
 					);
 
 		if (ret < 0) {
-			printk("%s: could not set ts feed\n", dev->name);
+			pr_err("%s: could not set ts feed\n", dev->name);
 			priv->demux->release_ts_feed(priv->demux, priv->tsfeed);
 			priv->tsfeed = NULL;
 			goto error;
@@ -1067,7 +1207,7 @@ static int dvb_net_feed_stop(struct net_device *dev)
 			priv->demux->release_section_feed(priv->demux, priv->secfeed);
 			priv->secfeed = NULL;
 		} else
-			printk("%s: no feed to stop\n", dev->name);
+			pr_err("%s: no feed to stop\n", dev->name);
 	} else if (priv->feedtype == DVB_NET_FEEDTYPE_ULE) {
 		if (priv->tsfeed) {
 			if (priv->tsfeed->is_filtering) {
@@ -1078,7 +1218,7 @@ static int dvb_net_feed_stop(struct net_device *dev)
 			priv->tsfeed = NULL;
 		}
 		else
-			printk("%s: no ts feed to stop\n", dev->name);
+			pr_err("%s: no ts feed to stop\n", dev->name);
 	} else
 		ret = -EINVAL;
 	mutex_unlock(&priv->mutex);
@@ -1279,7 +1419,7 @@ static int dvb_net_add_if(struct dvb_net *dvbnet, u16 pid, u8 feedtype)
 		free_netdev(net);
 		return result;
 	}
-	printk("dvb_net: created network interface %s\n", net->name);
+	pr_info("created network interface %s\n", net->name);
 
 	return if_num;
 }
@@ -1298,7 +1438,7 @@ static int dvb_net_remove_if(struct dvb_net *dvbnet, unsigned long num)
 	dvb_net_stop(net);
 	flush_work(&priv->set_multicast_list_wq);
 	flush_work(&priv->restart_net_feed_wq);
-	printk("dvb_net: removed network interface %s\n", net->name);
+	pr_info("removed network interface %s\n", net->name);
 	unregister_netdev(net);
 	dvbnet->state[num]=0;
 	dvbnet->device[num] = NULL;
diff --git a/drivers/media/dvb-core/dvbdev.c b/drivers/media/dvb-core/dvbdev.c
index 75a3f4b57fd4..38c844667789 100644
--- a/drivers/media/dvb-core/dvbdev.c
+++ b/drivers/media/dvb-core/dvbdev.c
@@ -21,6 +21,8 @@
  *
  */
 
+#define pr_fmt(fmt) "dvbdev: " fmt
+
 #include <linux/types.h>
 #include <linux/errno.h>
 #include <linux/string.h>
@@ -43,7 +45,11 @@ static int dvbdev_debug;
 module_param(dvbdev_debug, int, 0644);
 MODULE_PARM_DESC(dvbdev_debug, "Turn on/off device debugging (default:off).");
 
-#define dprintk if (dvbdev_debug) printk
+#define dprintk(fmt, arg...) do {					\
+	if (dvbdev_debug)						\
+		printk(KERN_DEBUG pr_fmt("%s: " fmt),			\
+		       __func__, ##arg);				\
+} while (0)
 
 static LIST_HEAD(dvb_adapter_list);
 static DEFINE_MUTEX(dvbdev_register_lock);
@@ -354,7 +360,7 @@ static int dvb_create_media_entity(struct dvb_device *dvbdev,
 	if (ret)
 		return ret;
 
-	printk(KERN_DEBUG "%s: media entity '%s' registered.\n",
+	pr_info("%s: media entity '%s' registered.\n",
 		__func__, dvbdev->entity->name);
 
 	return 0;
@@ -438,7 +444,7 @@ int dvb_register_device(struct dvb_adapter *adap, struct dvb_device **pdvbdev,
 	if ((id = dvbdev_get_free_id (adap, type)) < 0){
 		mutex_unlock(&dvbdev_register_lock);
 		*pdvbdev = NULL;
-		printk(KERN_ERR "%s: couldn't find free device id\n", __func__);
+		pr_err("%s: couldn't find free device id\n", __func__);
 		return -ENFILE;
 	}
 
@@ -493,8 +499,7 @@ int dvb_register_device(struct dvb_adapter *adap, struct dvb_device **pdvbdev,
 
 	ret = dvb_register_media_device(dvbdev, type, minor, demux_sink_pads);
 	if (ret) {
-		printk(KERN_ERR
-		      "%s: dvb_register_media_device failed to create the mediagraph\n",
+		pr_err("%s: dvb_register_media_device failed to create the mediagraph\n",
 		      __func__);
 
 		dvb_media_device_free(dvbdev);
@@ -511,11 +516,11 @@ int dvb_register_device(struct dvb_adapter *adap, struct dvb_device **pdvbdev,
 			       MKDEV(DVB_MAJOR, minor),
 			       dvbdev, "dvb%d.%s%d", adap->num, dnames[type], id);
 	if (IS_ERR(clsdev)) {
-		printk(KERN_ERR "%s: failed to create device dvb%d.%s%d (%ld)\n",
+		pr_err("%s: failed to create device dvb%d.%s%d (%ld)\n",
 		       __func__, adap->num, dnames[type], id, PTR_ERR(clsdev));
 		return PTR_ERR(clsdev);
 	}
-	dprintk(KERN_DEBUG "DVB: register adapter%d/%s%d @ minor: %i (0x%02x)\n",
+	dprintk("DVB: register adapter%d/%s%d @ minor: %i (0x%02x)\n",
 		adap->num, dnames[type], id, minor, minor);
 
 	return 0;
@@ -523,7 +528,7 @@ int dvb_register_device(struct dvb_adapter *adap, struct dvb_device **pdvbdev,
 EXPORT_SYMBOL(dvb_register_device);
 
 
-void dvb_unregister_device(struct dvb_device *dvbdev)
+void dvb_remove_device(struct dvb_device *dvbdev)
 {
 	if (!dvbdev)
 		return;
@@ -537,9 +542,26 @@ void dvb_unregister_device(struct dvb_device *dvbdev)
 	device_destroy(dvb_class, MKDEV(DVB_MAJOR, dvbdev->minor));
 
 	list_del (&dvbdev->list_head);
+}
+EXPORT_SYMBOL(dvb_remove_device);
+
+
+void dvb_free_device(struct dvb_device *dvbdev)
+{
+	if (!dvbdev)
+		return;
+
 	kfree (dvbdev->fops);
 	kfree (dvbdev);
 }
+EXPORT_SYMBOL(dvb_free_device);
+
+
+void dvb_unregister_device(struct dvb_device *dvbdev)
+{
+	dvb_remove_device(dvbdev);
+	dvb_free_device(dvbdev);
+}
 EXPORT_SYMBOL(dvb_unregister_device);
 
 
@@ -808,7 +830,7 @@ int dvb_register_adapter(struct dvb_adapter *adap, const char *name,
 	memset (adap, 0, sizeof(struct dvb_adapter));
 	INIT_LIST_HEAD (&adap->device_list);
 
-	printk(KERN_INFO "DVB: registering new adapter (%s)\n", name);
+	pr_info("DVB: registering new adapter (%s)\n", name);
 
 	adap->num = num;
 	adap->name = name;
@@ -926,13 +948,13 @@ static int __init init_dvbdev(void)
 	dev_t dev = MKDEV(DVB_MAJOR, 0);
 
 	if ((retval = register_chrdev_region(dev, MAX_DVB_MINORS, "DVB")) != 0) {
-		printk(KERN_ERR "dvb-core: unable to get major %d\n", DVB_MAJOR);
+		pr_err("dvb-core: unable to get major %d\n", DVB_MAJOR);
 		return retval;
 	}
 
 	cdev_init(&dvb_device_cdev, &dvb_device_fops);
 	if ((retval = cdev_add(&dvb_device_cdev, dev, MAX_DVB_MINORS)) != 0) {
-		printk(KERN_ERR "dvb-core: unable register character device\n");
+		pr_err("dvb-core: unable register character device\n");
 		goto error;
 	}
 
diff --git a/drivers/media/dvb-core/dvbdev.h b/drivers/media/dvb-core/dvbdev.h
index 4aff7bd3dea8..8c0a7b51555e 100644
--- a/drivers/media/dvb-core/dvbdev.h
+++ b/drivers/media/dvb-core/dvbdev.h
@@ -34,7 +34,7 @@
 #if defined(CONFIG_DVB_MAX_ADAPTERS) && CONFIG_DVB_MAX_ADAPTERS > 0
   #define DVB_MAX_ADAPTERS CONFIG_DVB_MAX_ADAPTERS
 #else
-  #define DVB_MAX_ADAPTERS 8
+  #define DVB_MAX_ADAPTERS 16
 #endif
 
 #define DVB_UNSET (-1)
@@ -212,8 +212,31 @@ int dvb_register_device(struct dvb_adapter *adap,
 			int demux_sink_pads);
 
 /**
+ * dvb_remove_device - Remove a registered DVB device
+ *
+ * This does not free memory.  To do that, call dvb_free_device().
+ *
+ * @dvbdev:	pointer to struct dvb_device
+ */
+void dvb_remove_device(struct dvb_device *dvbdev);
+
+/**
+ * dvb_free_device - Free memory occupied by a DVB device.
+ *
+ * Call dvb_unregister_device() before calling this function.
+ *
+ * @dvbdev:	pointer to struct dvb_device
+ */
+void dvb_free_device(struct dvb_device *dvbdev);
+
+/**
  * dvb_unregister_device - Unregisters a DVB device
  *
+ * This is a combination of dvb_remove_device() and dvb_free_device().
+ * Using this function is usually a mistake, and is often an indicator
+ * for a use-after-free bug (when a userspace process keeps a file
+ * handle to a detached device).
+ *
  * @dvbdev:	pointer to struct dvb_device
  */
 void dvb_unregister_device(struct dvb_device *dvbdev);
diff --git a/drivers/media/dvb-frontends/Kconfig b/drivers/media/dvb-frontends/Kconfig
index b71b747ee0ba..c841fa1770be 100644
--- a/drivers/media/dvb-frontends/Kconfig
+++ b/drivers/media/dvb-frontends/Kconfig
@@ -642,7 +642,7 @@ config DVB_S5H1409
 	  to support this frontend.
 
 config DVB_AU8522
-	depends on I2C
+	depends on DVB_CORE && I2C
 	tristate
 
 config DVB_AU8522_DTV
@@ -656,7 +656,7 @@ config DVB_AU8522_DTV
 
 config DVB_AU8522_V4L
 	tristate "Auvitek AU8522 based ATV demod"
-	depends on VIDEO_V4L2 && I2C
+	depends on VIDEO_V4L2 && DVB_CORE && I2C
 	select DVB_AU8522
 	default m if !MEDIA_SUBDRV_AUTOSELECT
 	help
@@ -722,7 +722,7 @@ config DVB_PLL
 
 config DVB_TUNER_DIB0070
 	tristate "DiBcom DiB0070 silicon base-band tuner"
-	depends on I2C
+	depends on DVB_CORE && I2C
 	default m if !MEDIA_SUBDRV_AUTOSELECT
 	help
 	  A driver for the silicon baseband tuner DiB0070 from DiBcom.
@@ -731,7 +731,7 @@ config DVB_TUNER_DIB0070
 
 config DVB_TUNER_DIB0090
 	tristate "DiBcom DiB0090 silicon base-band tuner"
-	depends on I2C
+	depends on DVB_CORE && I2C
 	default m if !MEDIA_SUBDRV_AUTOSELECT
 	help
 	  A driver for the silicon baseband tuner DiB0090 from DiBcom.
@@ -879,5 +879,6 @@ comment "Tools to develop new frontends"
 
 config DVB_DUMMY_FE
 	tristate "Dummy frontend driver"
+	depends on DVB_CORE
 	default n
 endmenu
diff --git a/drivers/media/dvb-frontends/af9013.c b/drivers/media/dvb-frontends/af9013.c
index 8bcde336ffd7..c6cb3bbc912a 100644
--- a/drivers/media/dvb-frontends/af9013.c
+++ b/drivers/media/dvb-frontends/af9013.c
@@ -1351,7 +1351,7 @@ static void af9013_release(struct dvb_frontend *fe)
 	kfree(state);
 }
 
-static struct dvb_frontend_ops af9013_ops;
+static const struct dvb_frontend_ops af9013_ops;
 
 static int af9013_download_firmware(struct af9013_state *state)
 {
@@ -1516,7 +1516,7 @@ err:
 }
 EXPORT_SYMBOL(af9013_attach);
 
-static struct dvb_frontend_ops af9013_ops = {
+static const struct dvb_frontend_ops af9013_ops = {
 	.delsys = { SYS_DVBT },
 	.info = {
 		.name = "Afatech AF9013",
diff --git a/drivers/media/dvb-frontends/af9033.c b/drivers/media/dvb-frontends/af9033.c
index 9a8157a5f49d..f8818028752e 100644
--- a/drivers/media/dvb-frontends/af9033.c
+++ b/drivers/media/dvb-frontends/af9033.c
@@ -1198,7 +1198,7 @@ err:
 	return ret;
 }
 
-static struct dvb_frontend_ops af9033_ops = {
+static const struct dvb_frontend_ops af9033_ops = {
 	.delsys = { SYS_DVBT },
 	.info = {
 		.name = "Afatech AF9033 (DVB-T)",
diff --git a/drivers/media/dvb-frontends/as102_fe.c b/drivers/media/dvb-frontends/as102_fe.c
index 9412fcd1bddb..98d575f2744c 100644
--- a/drivers/media/dvb-frontends/as102_fe.c
+++ b/drivers/media/dvb-frontends/as102_fe.c
@@ -415,7 +415,7 @@ static void as102_fe_release(struct dvb_frontend *fe)
 }
 
 
-static struct dvb_frontend_ops as102_fe_ops = {
+static const struct dvb_frontend_ops as102_fe_ops = {
 	.delsys = { SYS_DVBT },
 	.info = {
 		.name			= "Abilis AS102 DVB-T",
diff --git a/drivers/media/dvb-frontends/ascot2e.c b/drivers/media/dvb-frontends/ascot2e.c
index ad304eed656d..0ee0df53b91b 100644
--- a/drivers/media/dvb-frontends/ascot2e.c
+++ b/drivers/media/dvb-frontends/ascot2e.c
@@ -254,14 +254,13 @@ static int ascot2e_init(struct dvb_frontend *fe)
 	return ascot2e_leave_power_save(priv);
 }
 
-static int ascot2e_release(struct dvb_frontend *fe)
+static void ascot2e_release(struct dvb_frontend *fe)
 {
 	struct ascot2e_priv *priv = fe->tuner_priv;
 
 	dev_dbg(&priv->i2c->dev, "%s()\n", __func__);
 	kfree(fe->tuner_priv);
 	fe->tuner_priv = NULL;
-	return 0;
 }
 
 static int ascot2e_sleep(struct dvb_frontend *fe)
diff --git a/drivers/media/dvb-frontends/atbm8830.c b/drivers/media/dvb-frontends/atbm8830.c
index 47248b868e38..07ce05578278 100644
--- a/drivers/media/dvb-frontends/atbm8830.c
+++ b/drivers/media/dvb-frontends/atbm8830.c
@@ -428,7 +428,7 @@ static int atbm8830_i2c_gate_ctrl(struct dvb_frontend *fe, int enable)
 	return atbm8830_write_reg(priv, REG_I2C_GATE, enable ? 1 : 0);
 }
 
-static struct dvb_frontend_ops atbm8830_ops = {
+static const struct dvb_frontend_ops atbm8830_ops = {
 	.delsys = { SYS_DTMB },
 	.info = {
 		.name = "AltoBeam ATBM8830/8831 DMB-TH",
diff --git a/drivers/media/dvb-frontends/au8522_common.c b/drivers/media/dvb-frontends/au8522_common.c
index f135126bc373..cf4ac240a01f 100644
--- a/drivers/media/dvb-frontends/au8522_common.c
+++ b/drivers/media/dvb-frontends/au8522_common.c
@@ -50,8 +50,8 @@ int au8522_writereg(struct au8522_state *state, u16 reg, u8 data)
 	ret = i2c_transfer(state->i2c, &msg, 1);
 
 	if (ret != 1)
-		printk("%s: writereg error (reg == 0x%02x, val == 0x%04x, "
-		       "ret == %i)\n", __func__, reg, data, ret);
+		printk("%s: writereg error (reg == 0x%02x, val == 0x%04x, ret == %i)\n",
+		       __func__, reg, data, ret);
 
 	return (ret != 1) ? -1 : 0;
 }
diff --git a/drivers/media/dvb-frontends/au8522_dig.c b/drivers/media/dvb-frontends/au8522_dig.c
index e676b9461a59..7ed326e43fc4 100644
--- a/drivers/media/dvb-frontends/au8522_dig.c
+++ b/drivers/media/dvb-frontends/au8522_dig.c
@@ -834,7 +834,7 @@ static int au8522_get_tune_settings(struct dvb_frontend *fe,
 	return 0;
 }
 
-static struct dvb_frontend_ops au8522_ops;
+static const struct dvb_frontend_ops au8522_ops;
 
 
 static void au8522_release(struct dvb_frontend *fe)
@@ -894,7 +894,7 @@ error:
 }
 EXPORT_SYMBOL(au8522_attach);
 
-static struct dvb_frontend_ops au8522_ops = {
+static const struct dvb_frontend_ops au8522_ops = {
 	.delsys = { SYS_ATSC, SYS_DVBC_ANNEX_B },
 	.info = {
 		.name			= "Auvitek AU8522 QAM/8VSB Frontend",
diff --git a/drivers/media/dvb-frontends/bcm3510.c b/drivers/media/dvb-frontends/bcm3510.c
index bb698839e477..617c5e29f919 100644
--- a/drivers/media/dvb-frontends/bcm3510.c
+++ b/drivers/media/dvb-frontends/bcm3510.c
@@ -788,7 +788,7 @@ static int bcm3510_init(struct dvb_frontend* fe)
 }
 
 
-static struct dvb_frontend_ops bcm3510_ops;
+static const struct dvb_frontend_ops bcm3510_ops;
 
 struct dvb_frontend* bcm3510_attach(const struct bcm3510_config *config,
 				   struct i2c_adapter *i2c)
@@ -834,7 +834,7 @@ error:
 }
 EXPORT_SYMBOL(bcm3510_attach);
 
-static struct dvb_frontend_ops bcm3510_ops = {
+static const struct dvb_frontend_ops bcm3510_ops = {
 	.delsys = { SYS_ATSC, SYS_DVBC_ANNEX_B },
 	.info = {
 		.name = "Broadcom BCM3510 VSB/QAM frontend",
diff --git a/drivers/media/dvb-frontends/cx22700.c b/drivers/media/dvb-frontends/cx22700.c
index 5cad925609e0..2b629e23ceeb 100644
--- a/drivers/media/dvb-frontends/cx22700.c
+++ b/drivers/media/dvb-frontends/cx22700.c
@@ -380,7 +380,7 @@ static void cx22700_release(struct dvb_frontend* fe)
 	kfree(state);
 }
 
-static struct dvb_frontend_ops cx22700_ops;
+static const struct dvb_frontend_ops cx22700_ops;
 
 struct dvb_frontend* cx22700_attach(const struct cx22700_config* config,
 				    struct i2c_adapter* i2c)
@@ -408,7 +408,7 @@ error:
 	return NULL;
 }
 
-static struct dvb_frontend_ops cx22700_ops = {
+static const struct dvb_frontend_ops cx22700_ops = {
 	.delsys = { SYS_DVBT },
 	.info = {
 		.name			= "Conexant CX22700 DVB-T",
diff --git a/drivers/media/dvb-frontends/cx24110.c b/drivers/media/dvb-frontends/cx24110.c
index 6cb81ec12847..cf1bc99d1f32 100644
--- a/drivers/media/dvb-frontends/cx24110.c
+++ b/drivers/media/dvb-frontends/cx24110.c
@@ -120,8 +120,8 @@ static int cx24110_writereg (struct cx24110_state* state, int reg, int data)
 	int err;
 
 	if ((err = i2c_transfer(state->i2c, &msg, 1)) != 1) {
-		dprintk ("%s: writereg error (err == %i, reg == 0x%02x,"
-			 " data == 0x%02x)\n", __func__, err, reg, data);
+		dprintk("%s: writereg error (err == %i, reg == 0x%02x, data == 0x%02x)\n",
+			__func__, err, reg, data);
 		return -EREMOTEIO;
 	}
 
@@ -592,7 +592,7 @@ static void cx24110_release(struct dvb_frontend* fe)
 	kfree(state);
 }
 
-static struct dvb_frontend_ops cx24110_ops;
+static const struct dvb_frontend_ops cx24110_ops;
 
 struct dvb_frontend* cx24110_attach(const struct cx24110_config* config,
 				    struct i2c_adapter* i2c)
@@ -625,7 +625,7 @@ error:
 	return NULL;
 }
 
-static struct dvb_frontend_ops cx24110_ops = {
+static const struct dvb_frontend_ops cx24110_ops = {
 	.delsys = { SYS_DVBS },
 	.info = {
 		.name = "Conexant CX24110 DVB-S",
diff --git a/drivers/media/dvb-frontends/cx24113.c b/drivers/media/dvb-frontends/cx24113.c
index 3883c3b31aef..db44ebb7c561 100644
--- a/drivers/media/dvb-frontends/cx24113.c
+++ b/drivers/media/dvb-frontends/cx24113.c
@@ -108,8 +108,8 @@ static int cx24113_writereg(struct cx24113_state *state, int reg, int data)
 		.flags = 0, .buf = buf, .len = 2 };
 	int err = i2c_transfer(state->i2c, &msg, 1);
 	if (err != 1) {
-		printk(KERN_DEBUG "%s: writereg error(err == %i, reg == 0x%02x,"
-			 " data == 0x%02x)\n", __func__, err, reg, data);
+		printk(KERN_DEBUG "%s: writereg error(err == %i, reg == 0x%02x, data == 0x%02x)\n",
+		       __func__, err, reg, data);
 		return err;
 	}
 
@@ -527,13 +527,12 @@ static int cx24113_get_frequency(struct dvb_frontend *fe, u32 *frequency)
 	return 0;
 }
 
-static int cx24113_release(struct dvb_frontend *fe)
+static void cx24113_release(struct dvb_frontend *fe)
 {
 	struct cx24113_state *state = fe->tuner_priv;
 	dprintk("\n");
 	fe->tuner_priv = NULL;
 	kfree(state);
-	return 0;
 }
 
 static const struct dvb_tuner_ops cx24113_tuner_ops = {
diff --git a/drivers/media/dvb-frontends/cx24116.c b/drivers/media/dvb-frontends/cx24116.c
index 8814f36d53fb..e105532bfba8 100644
--- a/drivers/media/dvb-frontends/cx24116.c
+++ b/drivers/media/dvb-frontends/cx24116.c
@@ -209,8 +209,8 @@ static int cx24116_writereg(struct cx24116_state *state, int reg, int data)
 
 	err = i2c_transfer(state->i2c, &msg, 1);
 	if (err != 1) {
-		printk(KERN_ERR "%s: writereg error(err == %i, reg == 0x%02x,"
-			 " value == 0x%02x)\n", __func__, err, reg, data);
+		printk(KERN_ERR "%s: writereg error(err == %i, reg == 0x%02x, value == 0x%02x)\n",
+		       __func__, err, reg, data);
 		return -EREMOTEIO;
 	}
 
@@ -498,8 +498,8 @@ static int cx24116_firmware_ondemand(struct dvb_frontend *fe)
 		printk(KERN_INFO "%s: Waiting for firmware upload(2)...\n",
 			__func__);
 		if (ret) {
-			printk(KERN_ERR "%s: No firmware uploaded "
-				"(timeout or file not found?)\n", __func__);
+			printk(KERN_ERR "%s: No firmware uploaded (timeout or file not found?)\n",
+			       __func__);
 			return ret;
 		}
 
@@ -1116,7 +1116,7 @@ static void cx24116_release(struct dvb_frontend *fe)
 	kfree(state);
 }
 
-static struct dvb_frontend_ops cx24116_ops;
+static const struct dvb_frontend_ops cx24116_ops;
 
 struct dvb_frontend *cx24116_attach(const struct cx24116_config *config,
 	struct i2c_adapter *i2c)
@@ -1467,7 +1467,7 @@ static int cx24116_get_algo(struct dvb_frontend *fe)
 	return DVBFE_ALGO_HW;
 }
 
-static struct dvb_frontend_ops cx24116_ops = {
+static const struct dvb_frontend_ops cx24116_ops = {
 	.delsys = { SYS_DVBS, SYS_DVBS2 },
 	.info = {
 		.name = "Conexant CX24116/CX24118",
diff --git a/drivers/media/dvb-frontends/cx24117.c b/drivers/media/dvb-frontends/cx24117.c
index a3f7eb4e609d..d37cb7762bd6 100644
--- a/drivers/media/dvb-frontends/cx24117.c
+++ b/drivers/media/dvb-frontends/cx24117.c
@@ -474,8 +474,8 @@ static int cx24117_firmware_ondemand(struct dvb_frontend *fe)
 			"%s: Waiting for firmware upload(2)...\n", __func__);
 		if (ret) {
 			dev_err(&state->priv->i2c->dev,
-				"%s: No firmware uploaded "
-				"(timeout or file not found?)\n", __func__);
+				"%s: No firmware uploaded (timeout or file not found?)\n",
+__func__);
 			return ret;
 		}
 
@@ -1164,7 +1164,7 @@ static void cx24117_release(struct dvb_frontend *fe)
 	kfree(state);
 }
 
-static struct dvb_frontend_ops cx24117_ops;
+static const struct dvb_frontend_ops cx24117_ops;
 
 struct dvb_frontend *cx24117_attach(const struct cx24117_config *config,
 	struct i2c_adapter *i2c)
@@ -1618,7 +1618,7 @@ static int cx24117_get_frontend(struct dvb_frontend *fe,
 	return 0;
 }
 
-static struct dvb_frontend_ops cx24117_ops = {
+static const struct dvb_frontend_ops cx24117_ops = {
 	.delsys = { SYS_DVBS, SYS_DVBS2 },
 	.info = {
 		.name = "Conexant CX24117/CX24132",
diff --git a/drivers/media/dvb-frontends/cx24120.c b/drivers/media/dvb-frontends/cx24120.c
index 066ee387bf25..7f11dcc94d85 100644
--- a/drivers/media/dvb-frontends/cx24120.c
+++ b/drivers/media/dvb-frontends/cx24120.c
@@ -267,7 +267,7 @@ out:
 	return ret;
 }
 
-static struct dvb_frontend_ops cx24120_ops;
+static const struct dvb_frontend_ops cx24120_ops;
 
 struct dvb_frontend *cx24120_attach(const struct cx24120_config *config,
 				    struct i2c_adapter *i2c)
@@ -1154,8 +1154,7 @@ static int cx24120_set_frontend(struct dvb_frontend *fe)
 		dev_dbg(&state->i2c->dev,
 			"delivery system(%d) not supported\n",
 			c->delivery_system);
-		ret = -EINVAL;
-		break;
+		return -EINVAL;
 	}
 
 	state->dnxt.delsys = c->delivery_system;
@@ -1552,7 +1551,7 @@ static int cx24120_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks)
 	return 0;
 }
 
-static struct dvb_frontend_ops cx24120_ops = {
+static const struct dvb_frontend_ops cx24120_ops = {
 	.delsys = { SYS_DVBS, SYS_DVBS2 },
 	.info = {
 		.name = "Conexant CX24120/CX24118",
diff --git a/drivers/media/dvb-frontends/cx24123.c b/drivers/media/dvb-frontends/cx24123.c
index 113b0949408a..8aed8cc9f93d 100644
--- a/drivers/media/dvb-frontends/cx24123.c
+++ b/drivers/media/dvb-frontends/cx24123.c
@@ -255,8 +255,8 @@ static int cx24123_i2c_writereg(struct cx24123_state *state,
 
 	err = i2c_transfer(state->i2c, &msg, 1);
 	if (err != 1) {
-		printk("%s: writereg error(err == %i, reg == 0x%02x,"
-			 " data == 0x%02x)\n", __func__, err, reg, data);
+		printk("%s: writereg error(err == %i, reg == 0x%02x, data == 0x%02x)\n",
+		       __func__, err, reg, data);
 		return err;
 	}
 
@@ -1049,7 +1049,7 @@ struct i2c_adapter *
 }
 EXPORT_SYMBOL(cx24123_get_tuner_i2c_adapter);
 
-static struct dvb_frontend_ops cx24123_ops;
+static const struct dvb_frontend_ops cx24123_ops;
 
 struct dvb_frontend *cx24123_attach(const struct cx24123_config *config,
 				    struct i2c_adapter *i2c)
@@ -1111,7 +1111,7 @@ error:
 }
 EXPORT_SYMBOL(cx24123_attach);
 
-static struct dvb_frontend_ops cx24123_ops = {
+static const struct dvb_frontend_ops cx24123_ops = {
 	.delsys = { SYS_DVBS },
 	.info = {
 		.name = "Conexant CX24123/CX24109",
diff --git a/drivers/media/dvb-frontends/cxd2841er.c b/drivers/media/dvb-frontends/cxd2841er.c
index 5afb9c508f65..614bfb3740f1 100644
--- a/drivers/media/dvb-frontends/cxd2841er.c
+++ b/drivers/media/dvb-frontends/cxd2841er.c
@@ -3719,7 +3719,7 @@ static int cxd2841er_init_tc(struct dvb_frontend *fe)
 	return 0;
 }
 
-static struct dvb_frontend_ops cxd2841er_dvbs_s2_ops;
+static const struct dvb_frontend_ops cxd2841er_dvbs_s2_ops;
 static struct dvb_frontend_ops cxd2841er_t_c_ops;
 
 static struct dvb_frontend *cxd2841er_attach(struct cxd2841er_config *cfg,
@@ -3801,7 +3801,7 @@ struct dvb_frontend *cxd2841er_attach_t_c(struct cxd2841er_config *cfg,
 }
 EXPORT_SYMBOL(cxd2841er_attach_t_c);
 
-static struct dvb_frontend_ops cxd2841er_dvbs_s2_ops = {
+static const struct dvb_frontend_ops cxd2841er_dvbs_s2_ops = {
 	.delsys = { SYS_DVBS, SYS_DVBS2 },
 	.info = {
 		.name		= "Sony CXD2841ER DVB-S/S2 demodulator",
@@ -3829,7 +3829,7 @@ static struct dvb_frontend_ops cxd2841er_dvbs_s2_ops = {
 	.tune = cxd2841er_tune_s
 };
 
-static struct  dvb_frontend_ops cxd2841er_t_c_ops = {
+static struct dvb_frontend_ops cxd2841er_t_c_ops = {
 	.delsys = { SYS_DVBT, SYS_DVBT2, SYS_DVBC_ANNEX_A },
 	.info = {
 		.name	= "", /* will set in attach function */
diff --git a/drivers/media/dvb-frontends/dib0070.c b/drivers/media/dvb-frontends/dib0070.c
index ee7d66997ccd..befc8172159d 100644
--- a/drivers/media/dvb-frontends/dib0070.c
+++ b/drivers/media/dvb-frontends/dib0070.c
@@ -24,6 +24,8 @@
  *
  */
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/kernel.h>
 #include <linux/slab.h>
 #include <linux/i2c.h>
@@ -38,12 +40,10 @@ static int debug;
 module_param(debug, int, 0644);
 MODULE_PARM_DESC(debug, "turn on debugging (default: 0)");
 
-#define dprintk(args...) do { \
-	if (debug) { \
-		printk(KERN_DEBUG "DiB0070: "); \
-		printk(args); \
-		printk("\n"); \
-	} \
+#define dprintk(fmt, arg...) do {					\
+	if (debug)							\
+		printk(KERN_DEBUG pr_fmt("%s: " fmt),			\
+		       __func__, ##arg);				\
 } while (0)
 
 #define DIB0070_P1D  0x00
@@ -87,7 +87,7 @@ static u16 dib0070_read_reg(struct dib0070_state *state, u8 reg)
 	u16 ret;
 
 	if (mutex_lock_interruptible(&state->i2c_buffer_lock) < 0) {
-		dprintk("could not acquire lock");
+		dprintk("could not acquire lock\n");
 		return 0;
 	}
 
@@ -104,7 +104,7 @@ static u16 dib0070_read_reg(struct dib0070_state *state, u8 reg)
 	state->msg[1].len = 2;
 
 	if (i2c_transfer(state->i2c, state->msg, 2) != 2) {
-		printk(KERN_WARNING "DiB0070 I2C read failed\n");
+		pr_warn("DiB0070 I2C read failed\n");
 		ret = 0;
 	} else
 		ret = (state->i2c_read_buffer[0] << 8)
@@ -119,7 +119,7 @@ static int dib0070_write_reg(struct dib0070_state *state, u8 reg, u16 val)
 	int ret;
 
 	if (mutex_lock_interruptible(&state->i2c_buffer_lock) < 0) {
-		dprintk("could not acquire lock");
+		dprintk("could not acquire lock\n");
 		return -EINVAL;
 	}
 	state->i2c_write_buffer[0] = reg;
@@ -133,7 +133,7 @@ static int dib0070_write_reg(struct dib0070_state *state, u8 reg, u16 val)
 	state->msg[0].len = 3;
 
 	if (i2c_transfer(state->i2c, state->msg, 1) != 1) {
-		printk(KERN_WARNING "DiB0070 I2C write failed\n");
+		pr_warn("DiB0070 I2C write failed\n");
 		ret = -EREMOTEIO;
 	} else
 		ret = 0;
@@ -205,7 +205,7 @@ static int dib0070_captrim(struct dib0070_state *state, enum frontend_tune_state
 
 		adc = dib0070_read_reg(state, 0x19);
 
-		dprintk("CAPTRIM=%hd; ADC = %hd (ADC) & %dmV", state->captrim, adc, (u32) adc*(u32)1800/(u32)1024);
+		dprintk("CAPTRIM=%hd; ADC = %hd (ADC) & %dmV\n", state->captrim, adc, (u32) adc*(u32)1800/(u32)1024);
 
 		if (adc >= 400) {
 			adc -= 400;
@@ -216,7 +216,7 @@ static int dib0070_captrim(struct dib0070_state *state, enum frontend_tune_state
 		}
 
 		if (adc < state->adc_diff) {
-			dprintk("CAPTRIM=%hd is closer to target (%hd/%hd)", state->captrim, adc, state->adc_diff);
+			dprintk("CAPTRIM=%hd is closer to target (%hd/%hd)\n", state->captrim, adc, state->adc_diff);
 			state->adc_diff = adc;
 			state->fcaptrim = state->captrim;
 		}
@@ -241,7 +241,7 @@ static int dib0070_set_ctrl_lo5(struct dvb_frontend *fe, u8 vco_bias_trim, u8 hf
 	struct dib0070_state *state = fe->tuner_priv;
 	u16 lo5 = (third_order_filt << 14) | (0 << 13) | (1 << 12) | (3 << 9) | (cp_current << 6) | (hf_div_trim << 3) | (vco_bias_trim << 0);
 
-	dprintk("CTRL_LO5: 0x%x", lo5);
+	dprintk("CTRL_LO5: 0x%x\n", lo5);
 	return dib0070_write_reg(state, 0x15, lo5);
 }
 
@@ -256,7 +256,7 @@ void dib0070_ctrl_agc_filter(struct dvb_frontend *fe, u8 open)
 		dib0070_write_reg(state, 0x1b, 0x4112);
 		if (state->cfg->vga_filter != 0) {
 			dib0070_write_reg(state, 0x1a, state->cfg->vga_filter);
-			dprintk("vga filter register is set to %x", state->cfg->vga_filter);
+			dprintk("vga filter register is set to %x\n", state->cfg->vga_filter);
 		} else
 			dib0070_write_reg(state, 0x1a, 0x0009);
 	}
@@ -380,7 +380,7 @@ static int dib0070_tune_digital(struct dvb_frontend *fe)
 	}
 
 	if (*tune_state == CT_TUNER_START) {
-		dprintk("Tuning for Band: %hd (%d kHz)", band, freq);
+		dprintk("Tuning for Band: %hd (%d kHz)\n", band, freq);
 		if (state->current_rf != freq) {
 			u8 REFDIV;
 			u32 FBDiv, Rest, FREF, VCOF_kHz;
@@ -458,12 +458,12 @@ static int dib0070_tune_digital(struct dvb_frontend *fe)
 			dib0070_write_reg(state, 0x20,
 				0x0040 | 0x0020 | 0x0010 | 0x0008 | 0x0002 | 0x0001 | state->current_tune_table_index->tuner_enable);
 
-			dprintk("REFDIV: %hd, FREF: %d", REFDIV, FREF);
-			dprintk("FBDIV: %d, Rest: %d", FBDiv, Rest);
-			dprintk("Num: %hd, Den: %hd, SD: %hd", (u16) Rest, Den, (state->lo4 >> 12) & 0x1);
-			dprintk("HFDIV code: %hd", state->current_tune_table_index->hfdiv);
-			dprintk("VCO = %hd", state->current_tune_table_index->vco_band);
-			dprintk("VCOF: ((%hd*%d) << 1))", state->current_tune_table_index->vco_multi, freq);
+			dprintk("REFDIV: %hd, FREF: %d\n", REFDIV, FREF);
+			dprintk("FBDIV: %d, Rest: %d\n", FBDiv, Rest);
+			dprintk("Num: %hd, Den: %hd, SD: %hd\n", (u16) Rest, Den, (state->lo4 >> 12) & 0x1);
+			dprintk("HFDIV code: %hd\n", state->current_tune_table_index->hfdiv);
+			dprintk("VCO = %hd\n", state->current_tune_table_index->vco_band);
+			dprintk("VCOF: ((%hd*%d) << 1))\n", state->current_tune_table_index->vco_multi, freq);
 
 			*tune_state = CT_TUNER_STEP_0;
 		} else { /* we are already tuned to this frequency - the configuration is correct  */
@@ -625,7 +625,7 @@ static void dib0070_wbd_offset_calibration(struct dib0070_state *state)
 	u8 gain;
 	for (gain = 6; gain < 8; gain++) {
 		state->wbd_offset_3_3[gain - 6] = ((dib0070_read_wbd_offset(state, gain) * 8 * 18 / 33 + 1) / 2);
-		dprintk("Gain: %d, WBDOffset (3.3V) = %hd", gain, state->wbd_offset_3_3[gain-6]);
+		dprintk("Gain: %d, WBDOffset (3.3V) = %hd\n", gain, state->wbd_offset_3_3[gain-6]);
 	}
 }
 
@@ -665,10 +665,10 @@ static int dib0070_reset(struct dvb_frontend *fe)
 	state->revision = DIB0070S_P1A;
 
 	/* P1F or not */
-	dprintk("Revision: %x", state->revision);
+	dprintk("Revision: %x\n", state->revision);
 
 	if (state->revision == DIB0070_P1D) {
-		dprintk("Error: this driver is not to be used meant for P1D or earlier");
+		dprintk("Error: this driver is not to be used meant for P1D or earlier\n");
 		return -EINVAL;
 	}
 
@@ -722,11 +722,10 @@ static int dib0070_get_frequency(struct dvb_frontend *fe, u32 *frequency)
 	return 0;
 }
 
-static int dib0070_release(struct dvb_frontend *fe)
+static void dib0070_release(struct dvb_frontend *fe)
 {
 	kfree(fe->tuner_priv);
 	fe->tuner_priv = NULL;
-	return 0;
 }
 
 static const struct dvb_tuner_ops dib0070_ops = {
@@ -761,7 +760,7 @@ struct dvb_frontend *dib0070_attach(struct dvb_frontend *fe, struct i2c_adapter
 	if (dib0070_reset(fe) != 0)
 		goto free_mem;
 
-	printk(KERN_INFO "DiB0070: successfully identified\n");
+	pr_info("DiB0070: successfully identified\n");
 	memcpy(&fe->ops.tuner_ops, &dib0070_ops, sizeof(struct dvb_tuner_ops));
 
 	fe->tuner_priv = state;
diff --git a/drivers/media/dvb-frontends/dib0090.c b/drivers/media/dvb-frontends/dib0090.c
index 14c403254fe0..fd3b33296b15 100644
--- a/drivers/media/dvb-frontends/dib0090.c
+++ b/drivers/media/dvb-frontends/dib0090.c
@@ -24,6 +24,8 @@
  *
  */
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/kernel.h>
 #include <linux/slab.h>
 #include <linux/i2c.h>
@@ -38,12 +40,10 @@ static int debug;
 module_param(debug, int, 0644);
 MODULE_PARM_DESC(debug, "turn on debugging (default: 0)");
 
-#define dprintk(args...) do { \
-	if (debug) { \
-		printk(KERN_DEBUG "DiB0090: "); \
-		printk(args); \
-		printk("\n"); \
-	} \
+#define dprintk(fmt, arg...) do {					\
+	if (debug)							\
+		printk(KERN_DEBUG pr_fmt("%s: " fmt),			\
+		       __func__, ##arg);				\
 } while (0)
 
 #define CONFIG_SYS_DVBT
@@ -218,7 +218,7 @@ static u16 dib0090_read_reg(struct dib0090_state *state, u8 reg)
 	u16 ret;
 
 	if (mutex_lock_interruptible(&state->i2c_buffer_lock) < 0) {
-		dprintk("could not acquire lock");
+		dprintk("could not acquire lock\n");
 		return 0;
 	}
 
@@ -235,7 +235,7 @@ static u16 dib0090_read_reg(struct dib0090_state *state, u8 reg)
 	state->msg[1].len = 2;
 
 	if (i2c_transfer(state->i2c, state->msg, 2) != 2) {
-		printk(KERN_WARNING "DiB0090 I2C read failed\n");
+		pr_warn("DiB0090 I2C read failed\n");
 		ret = 0;
 	} else
 		ret = (state->i2c_read_buffer[0] << 8)
@@ -250,7 +250,7 @@ static int dib0090_write_reg(struct dib0090_state *state, u32 reg, u16 val)
 	int ret;
 
 	if (mutex_lock_interruptible(&state->i2c_buffer_lock) < 0) {
-		dprintk("could not acquire lock");
+		dprintk("could not acquire lock\n");
 		return -EINVAL;
 	}
 
@@ -265,7 +265,7 @@ static int dib0090_write_reg(struct dib0090_state *state, u32 reg, u16 val)
 	state->msg[0].len = 3;
 
 	if (i2c_transfer(state->i2c, state->msg, 1) != 1) {
-		printk(KERN_WARNING "DiB0090 I2C write failed\n");
+		pr_warn("DiB0090 I2C write failed\n");
 		ret = -EREMOTEIO;
 	} else
 		ret = 0;
@@ -279,7 +279,7 @@ static u16 dib0090_fw_read_reg(struct dib0090_fw_state *state, u8 reg)
 	u16 ret;
 
 	if (mutex_lock_interruptible(&state->i2c_buffer_lock) < 0) {
-		dprintk("could not acquire lock");
+		dprintk("could not acquire lock\n");
 		return 0;
 	}
 
@@ -291,7 +291,7 @@ static u16 dib0090_fw_read_reg(struct dib0090_fw_state *state, u8 reg)
 	state->msg.buf = state->i2c_read_buffer;
 	state->msg.len = 2;
 	if (i2c_transfer(state->i2c, &state->msg, 1) != 1) {
-		printk(KERN_WARNING "DiB0090 I2C read failed\n");
+		pr_warn("DiB0090 I2C read failed\n");
 		ret = 0;
 	} else
 		ret = (state->i2c_read_buffer[0] << 8)
@@ -306,7 +306,7 @@ static int dib0090_fw_write_reg(struct dib0090_fw_state *state, u8 reg, u16 val)
 	int ret;
 
 	if (mutex_lock_interruptible(&state->i2c_buffer_lock) < 0) {
-		dprintk("could not acquire lock");
+		dprintk("could not acquire lock\n");
 		return -EINVAL;
 	}
 
@@ -319,7 +319,7 @@ static int dib0090_fw_write_reg(struct dib0090_fw_state *state, u8 reg, u16 val)
 	state->msg.buf = state->i2c_write_buffer;
 	state->msg.len = 2;
 	if (i2c_transfer(state->i2c, &state->msg, 1) != 1) {
-		printk(KERN_WARNING "DiB0090 I2C write failed\n");
+		pr_warn("DiB0090 I2C write failed\n");
 		ret = -EREMOTEIO;
 	} else
 		ret = 0;
@@ -351,7 +351,7 @@ static int dib0090_identify(struct dvb_frontend *fe)
 	identity->p1g = 0;
 	identity->in_soc = 0;
 
-	dprintk("Tuner identification (Version = 0x%04x)", v);
+	dprintk("Tuner identification (Version = 0x%04x)\n", v);
 
 	/* without PLL lock info */
 	v &= ~KROSUS_PLL_LOCKED;
@@ -366,19 +366,19 @@ static int dib0090_identify(struct dvb_frontend *fe)
 		identity->in_soc = 1;
 		switch (identity->version) {
 		case SOC_8090_P1G_11R1:
-			dprintk("SOC 8090 P1-G11R1 Has been detected");
+			dprintk("SOC 8090 P1-G11R1 Has been detected\n");
 			identity->p1g = 1;
 			break;
 		case SOC_8090_P1G_21R1:
-			dprintk("SOC 8090 P1-G21R1 Has been detected");
+			dprintk("SOC 8090 P1-G21R1 Has been detected\n");
 			identity->p1g = 1;
 			break;
 		case SOC_7090_P1G_11R1:
-			dprintk("SOC 7090 P1-G11R1 Has been detected");
+			dprintk("SOC 7090 P1-G11R1 Has been detected\n");
 			identity->p1g = 1;
 			break;
 		case SOC_7090_P1G_21R1:
-			dprintk("SOC 7090 P1-G21R1 Has been detected");
+			dprintk("SOC 7090 P1-G21R1 Has been detected\n");
 			identity->p1g = 1;
 			break;
 		default:
@@ -387,16 +387,16 @@ static int dib0090_identify(struct dvb_frontend *fe)
 	} else {
 		switch ((identity->version >> 5) & 0x7) {
 		case MP001:
-			dprintk("MP001 : 9090/8096");
+			dprintk("MP001 : 9090/8096\n");
 			break;
 		case MP005:
-			dprintk("MP005 : Single Sband");
+			dprintk("MP005 : Single Sband\n");
 			break;
 		case MP008:
-			dprintk("MP008 : diversity VHF-UHF-LBAND");
+			dprintk("MP008 : diversity VHF-UHF-LBAND\n");
 			break;
 		case MP009:
-			dprintk("MP009 : diversity 29098 CBAND-UHF-LBAND-SBAND");
+			dprintk("MP009 : diversity 29098 CBAND-UHF-LBAND-SBAND\n");
 			break;
 		default:
 			goto identification_error;
@@ -404,21 +404,21 @@ static int dib0090_identify(struct dvb_frontend *fe)
 
 		switch (identity->version & 0x1f) {
 		case P1G_21R2:
-			dprintk("P1G_21R2 detected");
+			dprintk("P1G_21R2 detected\n");
 			identity->p1g = 1;
 			break;
 		case P1G:
-			dprintk("P1G detected");
+			dprintk("P1G detected\n");
 			identity->p1g = 1;
 			break;
 		case P1D_E_F:
-			dprintk("P1D/E/F detected");
+			dprintk("P1D/E/F detected\n");
 			break;
 		case P1C:
-			dprintk("P1C detected");
+			dprintk("P1C detected\n");
 			break;
 		case P1A_B:
-			dprintk("P1-A/B detected: driver is deactivated - not available");
+			dprintk("P1-A/B detected: driver is deactivated - not available\n");
 			goto identification_error;
 			break;
 		default:
@@ -441,7 +441,7 @@ static int dib0090_fw_identify(struct dvb_frontend *fe)
 	identity->p1g = 0;
 	identity->in_soc = 0;
 
-	dprintk("FE: Tuner identification (Version = 0x%04x)", v);
+	dprintk("FE: Tuner identification (Version = 0x%04x)\n", v);
 
 	/* without PLL lock info */
 	v &= ~KROSUS_PLL_LOCKED;
@@ -456,19 +456,19 @@ static int dib0090_fw_identify(struct dvb_frontend *fe)
 		identity->in_soc = 1;
 		switch (identity->version) {
 		case SOC_8090_P1G_11R1:
-			dprintk("SOC 8090 P1-G11R1 Has been detected");
+			dprintk("SOC 8090 P1-G11R1 Has been detected\n");
 			identity->p1g = 1;
 			break;
 		case SOC_8090_P1G_21R1:
-			dprintk("SOC 8090 P1-G21R1 Has been detected");
+			dprintk("SOC 8090 P1-G21R1 Has been detected\n");
 			identity->p1g = 1;
 			break;
 		case SOC_7090_P1G_11R1:
-			dprintk("SOC 7090 P1-G11R1 Has been detected");
+			dprintk("SOC 7090 P1-G11R1 Has been detected\n");
 			identity->p1g = 1;
 			break;
 		case SOC_7090_P1G_21R1:
-			dprintk("SOC 7090 P1-G21R1 Has been detected");
+			dprintk("SOC 7090 P1-G21R1 Has been detected\n");
 			identity->p1g = 1;
 			break;
 		default:
@@ -477,16 +477,16 @@ static int dib0090_fw_identify(struct dvb_frontend *fe)
 	} else {
 		switch ((identity->version >> 5) & 0x7) {
 		case MP001:
-			dprintk("MP001 : 9090/8096");
+			dprintk("MP001 : 9090/8096\n");
 			break;
 		case MP005:
-			dprintk("MP005 : Single Sband");
+			dprintk("MP005 : Single Sband\n");
 			break;
 		case MP008:
-			dprintk("MP008 : diversity VHF-UHF-LBAND");
+			dprintk("MP008 : diversity VHF-UHF-LBAND\n");
 			break;
 		case MP009:
-			dprintk("MP009 : diversity 29098 CBAND-UHF-LBAND-SBAND");
+			dprintk("MP009 : diversity 29098 CBAND-UHF-LBAND-SBAND\n");
 			break;
 		default:
 			goto identification_error;
@@ -494,21 +494,21 @@ static int dib0090_fw_identify(struct dvb_frontend *fe)
 
 		switch (identity->version & 0x1f) {
 		case P1G_21R2:
-			dprintk("P1G_21R2 detected");
+			dprintk("P1G_21R2 detected\n");
 			identity->p1g = 1;
 			break;
 		case P1G:
-			dprintk("P1G detected");
+			dprintk("P1G detected\n");
 			identity->p1g = 1;
 			break;
 		case P1D_E_F:
-			dprintk("P1D/E/F detected");
+			dprintk("P1D/E/F detected\n");
 			break;
 		case P1C:
-			dprintk("P1C detected");
+			dprintk("P1C detected\n");
 			break;
 		case P1A_B:
-			dprintk("P1-A/B detected: driver is deactivated - not available");
+			dprintk("P1-A/B detected: driver is deactivated - not available\n");
 			goto identification_error;
 			break;
 		default:
@@ -574,7 +574,7 @@ static void dib0090_reset_digital(struct dvb_frontend *fe, const struct dib0090_
 		} while (--i);
 
 		if (i == 0) {
-			dprintk("Pll: Unable to lock Pll");
+			dprintk("Pll: Unable to lock Pll\n");
 			return;
 		}
 
@@ -596,7 +596,7 @@ static int dib0090_fw_reset_digital(struct dvb_frontend *fe, const struct dib009
 	u16 v;
 	int i;
 
-	dprintk("fw reset digital");
+	dprintk("fw reset digital\n");
 	HARD_RESET(state);
 
 	dib0090_fw_write_reg(state, 0x24, EN_PLL | EN_CRYSTAL);
@@ -645,7 +645,7 @@ static int dib0090_fw_reset_digital(struct dvb_frontend *fe, const struct dib009
 		} while (--i);
 
 		if (i == 0) {
-			dprintk("Pll: Unable to lock Pll");
+			dprintk("Pll: Unable to lock Pll\n");
 			return -EIO;
 		}
 
@@ -922,7 +922,7 @@ static void dib0090_wbd_target(struct dib0090_state *state, u32 rf)
 #endif
 
 	state->wbd_target = dib0090_wbd_to_db(state, state->wbd_offset + offset);
-	dprintk("wbd-target: %d dB", (u32) state->wbd_target);
+	dprintk("wbd-target: %d dB\n", (u32) state->wbd_target);
 }
 
 static const int gain_reg_addr[4] = {
@@ -1019,7 +1019,7 @@ static void dib0090_gain_apply(struct dib0090_state *state, s16 gain_delta, s16
 	gain_reg[3] |= ((bb % 10) * 100) / 125;
 
 #ifdef DEBUG_AGC
-	dprintk("GA CALC: DB: %3d(rf) + %3d(bb) = %3d gain_reg[0]=%04x gain_reg[1]=%04x gain_reg[2]=%04x gain_reg[0]=%04x", rf, bb, rf + bb,
+	dprintk("GA CALC: DB: %3d(rf) + %3d(bb) = %3d gain_reg[0]=%04x gain_reg[1]=%04x gain_reg[2]=%04x gain_reg[0]=%04x\n", rf, bb, rf + bb,
 		gain_reg[0], gain_reg[1], gain_reg[2], gain_reg[3]);
 #endif
 
@@ -1050,7 +1050,7 @@ static void dib0090_set_rframp_pwm(struct dib0090_state *state, const u16 * cfg)
 
 	dib0090_write_reg(state, 0x2a, 0xffff);
 
-	dprintk("total RF gain: %ddB, step: %d", (u32) cfg[0], dib0090_read_reg(state, 0x2a));
+	dprintk("total RF gain: %ddB, step: %d\n", (u32) cfg[0], dib0090_read_reg(state, 0x2a));
 
 	dib0090_write_regs(state, 0x2c, cfg + 3, 6);
 	dib0090_write_regs(state, 0x3e, cfg + 9, 2);
@@ -1069,7 +1069,7 @@ static void dib0090_set_bbramp_pwm(struct dib0090_state *state, const u16 * cfg)
 	dib0090_set_boost(state, cfg[0] > 500);	/* we want the boost if the gain is higher that 50dB */
 
 	dib0090_write_reg(state, 0x33, 0xffff);
-	dprintk("total BB gain: %ddB, step: %d", (u32) cfg[0], dib0090_read_reg(state, 0x33));
+	dprintk("total BB gain: %ddB, step: %d\n", (u32) cfg[0], dib0090_read_reg(state, 0x33));
 	dib0090_write_regs(state, 0x35, cfg + 3, 4);
 }
 
@@ -1122,7 +1122,7 @@ void dib0090_pwm_gain_reset(struct dvb_frontend *fe)
 
 		/* activate the ramp generator using PWM control */
 		if (state->rf_ramp)
-			dprintk("ramp RF gain = %d BAND = %s version = %d",
+			dprintk("ramp RF gain = %d BAND = %s version = %d\n",
 				state->rf_ramp[0],
 				(state->current_band == BAND_CBAND) ? "CBAND" : "NOT CBAND",
 				state->identity.version & 0x1f);
@@ -1130,10 +1130,10 @@ void dib0090_pwm_gain_reset(struct dvb_frontend *fe)
 		if (rf_ramp && ((state->rf_ramp && state->rf_ramp[0] == 0) ||
 		    (state->current_band == BAND_CBAND &&
 		    (state->identity.version & 0x1f) <= P1D_E_F))) {
-			dprintk("DE-Engage mux for direct gain reg control");
+			dprintk("DE-Engage mux for direct gain reg control\n");
 			en_pwm_rf_mux = 0;
 		} else
-			dprintk("Engage mux for PWM control");
+			dprintk("Engage mux for PWM control\n");
 
 		dib0090_write_reg(state, 0x32, (en_pwm_rf_mux << 12) | (en_pwm_rf_mux << 11));
 
@@ -1352,7 +1352,7 @@ u16 dib0090_get_wbd_target(struct dvb_frontend *fe)
 	while (f_MHz > wbd->max_freq)
 		wbd++;
 
-	dprintk("using wbd-table-entry with max freq %d", wbd->max_freq);
+	dprintk("using wbd-table-entry with max freq %d\n", wbd->max_freq);
 
 	if (current_temp < 0)
 		current_temp = 0;
@@ -1373,8 +1373,8 @@ u16 dib0090_get_wbd_target(struct dvb_frontend *fe)
 	wbd_tcold += ((wbd_thot - wbd_tcold) * current_temp) >> 7;
 
 	state->wbd_target = dib0090_wbd_to_db(state, state->wbd_offset + wbd_tcold);
-	dprintk("wbd-target: %d dB", (u32) state->wbd_target);
-	dprintk("wbd offset applied is %d", wbd_tcold);
+	dprintk("wbd-target: %d dB\n", (u32) state->wbd_target);
+	dprintk("wbd offset applied is %d\n", wbd_tcold);
 
 	return state->wbd_offset + wbd_tcold;
 }
@@ -1415,7 +1415,7 @@ int dib0090_update_rframp_7090(struct dvb_frontend *fe, u8 cfg_sensitivity)
 	if ((!state->identity.p1g) || (!state->identity.in_soc)
 			|| ((state->identity.version != SOC_7090_P1G_21R1)
 				&& (state->identity.version != SOC_7090_P1G_11R1))) {
-		dprintk("%s() function can only be used for dib7090P", __func__);
+		dprintk("%s() function can only be used for dib7090P\n", __func__);
 		return -ENODEV;
 	}
 
@@ -1598,7 +1598,7 @@ static int dib0090_reset(struct dvb_frontend *fe)
 		dib0090_write_reg(state, 0x14, 1);
 	else
 		dib0090_write_reg(state, 0x14, 2);
-	dprintk("Pll lock : %d", (dib0090_read_reg(state, 0x1a) >> 11) & 0x1);
+	dprintk("Pll lock : %d\n", (dib0090_read_reg(state, 0x1a) >> 11) & 0x1);
 
 	state->calibrate = DC_CAL | WBD_CAL | TEMP_CAL;	/* enable iq-offset-calibration and wbd-calibration when tuning next time */
 
@@ -1711,7 +1711,8 @@ static int dib0090_dc_offset_calibration(struct dib0090_state *state, enum front
 
 		/* fall through */
 	case CT_TUNER_STEP_0:
-		dprintk("Start/continue DC calibration for %s path", (state->dc->i == 1) ? "I" : "Q");
+		dprintk("Start/continue DC calibration for %s path\n",
+			(state->dc->i == 1) ? "I" : "Q");
 		dib0090_write_reg(state, 0x01, state->dc->bb1);
 		dib0090_write_reg(state, 0x07, state->bb7 | (state->dc->i << 7));
 
@@ -1733,13 +1734,13 @@ static int dib0090_dc_offset_calibration(struct dib0090_state *state, enum front
 		break;
 
 	case CT_TUNER_STEP_5:	/* found an offset */
-		dprintk("adc_diff = %d, current step= %d", (u32) state->adc_diff, state->step);
+		dprintk("adc_diff = %d, current step= %d\n", (u32) state->adc_diff, state->step);
 		if (state->step == 0 && state->adc_diff < 0) {
 			state->min_adc_diff = -1023;
-			dprintk("Change of sign of the minimum adc diff");
+			dprintk("Change of sign of the minimum adc diff\n");
 		}
 
-		dprintk("adc_diff = %d, min_adc_diff = %d current_step = %d", state->adc_diff, state->min_adc_diff, state->step);
+		dprintk("adc_diff = %d, min_adc_diff = %d current_step = %d\n", state->adc_diff, state->min_adc_diff, state->step);
 
 		/* first turn for this frequency */
 		if (state->step == 0) {
@@ -1758,12 +1759,12 @@ static int dib0090_dc_offset_calibration(struct dib0090_state *state, enum front
 		} else {
 			/* the minimum was what we have seen in the step before */
 			if (ABS(state->adc_diff) > ABS(state->min_adc_diff)) {
-				dprintk("Since adc_diff N = %d  > adc_diff step N-1 = %d, Come back one step", state->adc_diff, state->min_adc_diff);
+				dprintk("Since adc_diff N = %d  > adc_diff step N-1 = %d, Come back one step\n", state->adc_diff, state->min_adc_diff);
 				state->step--;
 			}
 
 			dib0090_set_trim(state);
-			dprintk("BB Offset Cal, BBreg=%hd,Offset=%hd,Value Set=%hd", state->dc->addr, state->adc_diff, state->step);
+			dprintk("BB Offset Cal, BBreg=%hd,Offset=%hd,Value Set=%hd\n", state->dc->addr, state->adc_diff, state->step);
 
 			state->dc++;
 			if (state->dc->addr == 0)	/* done */
@@ -1819,7 +1820,7 @@ static int dib0090_wbd_calibration(struct dib0090_state *state, enum frontend_tu
 
 	case CT_TUNER_STEP_0:
 		state->wbd_offset = dib0090_get_slow_adc_val(state);
-		dprintk("WBD calibration offset = %d", state->wbd_offset);
+		dprintk("WBD calibration offset = %d\n", state->wbd_offset);
 		*tune_state = CT_TUNER_START;	/* reset done -> real tuning can now begin */
 		state->calibrate &= ~WBD_CAL;
 		break;
@@ -2064,7 +2065,7 @@ int dib0090_update_tuning_table_7090(struct dvb_frontend *fe,
 	if ((!state->identity.p1g) || (!state->identity.in_soc)
 			|| ((state->identity.version != SOC_7090_P1G_21R1)
 				&& (state->identity.version != SOC_7090_P1G_11R1))) {
-		dprintk("%s() function can only be used for dib7090", __func__);
+		dprintk("%s() function can only be used for dib7090\n", __func__);
 		return -ENODEV;
 	}
 
@@ -2098,7 +2099,8 @@ static int dib0090_captrim_search(struct dib0090_state *state, enum frontend_tun
 		force_soft_search = 1;
 
 	if (*tune_state == CT_TUNER_START) {
-		dprintk("Start Captrim search : %s", (force_soft_search == 1) ? "FORCE SOFT SEARCH" : "AUTO");
+		dprintk("Start Captrim search : %s\n",
+			(force_soft_search == 1) ? "FORCE SOFT SEARCH" : "AUTO");
 		dib0090_write_reg(state, 0x10, 0x2B1);
 		dib0090_write_reg(state, 0x1e, 0x0032);
 
@@ -2140,13 +2142,13 @@ static int dib0090_captrim_search(struct dib0090_state *state, enum frontend_tun
 			dib0090_read_reg(state, 0x40);
 
 			state->fcaptrim = dib0090_read_reg(state, 0x18) & 0x7F;
-			dprintk("***Final Captrim= 0x%x", state->fcaptrim);
+			dprintk("***Final Captrim= 0x%x\n", state->fcaptrim);
 			*tune_state = CT_TUNER_STEP_3;
 
 		} else {
 			/* MERGE for all krosus before P1G */
 			adc = dib0090_get_slow_adc_val(state);
-			dprintk("CAPTRIM=%d; ADC = %d (ADC) & %dmV", (u32) state->captrim, (u32) adc, (u32) (adc) * (u32) 1800 / (u32) 1024);
+			dprintk("CAPTRIM=%d; ADC = %d (ADC) & %dmV\n", (u32) state->captrim, (u32) adc, (u32) (adc) * (u32) 1800 / (u32) 1024);
 
 			if (state->rest == 0 || state->identity.in_soc) {	/* Just for 8090P SOCS where auto captrim HW bug : TO CHECK IN ACI for SOCS !!! if 400 for 8090p SOC => tune issue !!! */
 				adc_target = 200;
@@ -2162,7 +2164,7 @@ static int dib0090_captrim_search(struct dib0090_state *state, enum frontend_tun
 			}
 
 			if (adc < state->adc_diff) {
-				dprintk("CAPTRIM=%d is closer to target (%d/%d)", (u32) state->captrim, (u32) adc, (u32) state->adc_diff);
+				dprintk("CAPTRIM=%d is closer to target (%d/%d)\n", (u32) state->captrim, (u32) adc, (u32) state->adc_diff);
 				state->adc_diff = adc;
 				state->fcaptrim = state->captrim;
 			}
@@ -2216,7 +2218,7 @@ static int dib0090_get_temperature(struct dib0090_state *state, enum frontend_tu
 		val = dib0090_get_slow_adc_val(state);
 		state->temperature = ((s16) ((val - state->adc_diff) * 180) >> 8) + 55;
 
-		dprintk("temperature: %d C", state->temperature - 30);
+		dprintk("temperature: %d C\n", state->temperature - 30);
 
 		*tune_state = CT_TUNER_STEP_2;
 		break;
@@ -2478,13 +2480,13 @@ static int dib0090_tune(struct dvb_frontend *fe)
 			wbd++;
 
 		dib0090_write_reg(state, 0x1e, 0x07ff);
-		dprintk("Final Captrim: %d", (u32) state->fcaptrim);
-		dprintk("HFDIV code: %d", (u32) pll->hfdiv_code);
-		dprintk("VCO = %d", (u32) pll->vco_band);
-		dprintk("VCOF in kHz: %d ((%d*%d) << 1))", (u32) ((pll->hfdiv * state->rf_request) * 2), (u32) pll->hfdiv, (u32) state->rf_request);
-		dprintk("REFDIV: %d, FREF: %d", (u32) 1, (u32) state->config->io.clock_khz);
-		dprintk("FBDIV: %d, Rest: %d", (u32) dib0090_read_reg(state, 0x15), (u32) dib0090_read_reg(state, 0x17));
-		dprintk("Num: %d, Den: %d, SD: %d", (u32) dib0090_read_reg(state, 0x17), (u32) (dib0090_read_reg(state, 0x16) >> 8),
+		dprintk("Final Captrim: %d\n", (u32) state->fcaptrim);
+		dprintk("HFDIV code: %d\n", (u32) pll->hfdiv_code);
+		dprintk("VCO = %d\n", (u32) pll->vco_band);
+		dprintk("VCOF in kHz: %d ((%d*%d) << 1))\n", (u32) ((pll->hfdiv * state->rf_request) * 2), (u32) pll->hfdiv, (u32) state->rf_request);
+		dprintk("REFDIV: %d, FREF: %d\n", (u32) 1, (u32) state->config->io.clock_khz);
+		dprintk("FBDIV: %d, Rest: %d\n", (u32) dib0090_read_reg(state, 0x15), (u32) dib0090_read_reg(state, 0x17));
+		dprintk("Num: %d, Den: %d, SD: %d\n", (u32) dib0090_read_reg(state, 0x17), (u32) (dib0090_read_reg(state, 0x16) >> 8),
 			(u32) dib0090_read_reg(state, 0x1c) & 0x3);
 
 #define WBD     0x781		/* 1 1 1 1 0000 0 0 1 */
@@ -2498,7 +2500,7 @@ static int dib0090_tune(struct dvb_frontend *fe)
 		dib0090_write_reg(state, 0x10, state->wbdmux);
 
 		if ((tune->tuner_enable == EN_CAB) && state->identity.p1g) {
-			dprintk("P1G : The cable band is selected and lna_tune = %d", tune->lna_tune);
+			dprintk("P1G : The cable band is selected and lna_tune = %d\n", tune->lna_tune);
 			dib0090_write_reg(state, 0x09, tune->lna_bias);
 			dib0090_write_reg(state, 0x0b, 0xb800 | (tune->lna_tune << 6) | (tune->switch_trim));
 		} else
@@ -2524,11 +2526,10 @@ static int dib0090_tune(struct dvb_frontend *fe)
 	return ret;
 }
 
-static int dib0090_release(struct dvb_frontend *fe)
+static void dib0090_release(struct dvb_frontend *fe)
 {
 	kfree(fe->tuner_priv);
 	fe->tuner_priv = NULL;
-	return 0;
 }
 
 enum frontend_tune_state dib0090_get_tune_state(struct dvb_frontend *fe)
@@ -2643,7 +2644,7 @@ struct dvb_frontend *dib0090_register(struct dvb_frontend *fe, struct i2c_adapte
 	if (dib0090_reset(fe) != 0)
 		goto free_mem;
 
-	printk(KERN_INFO "DiB0090: successfully identified\n");
+	pr_info("DiB0090: successfully identified\n");
 	memcpy(&fe->ops.tuner_ops, &dib0090_ops, sizeof(struct dvb_tuner_ops));
 
 	return fe;
@@ -2670,7 +2671,7 @@ struct dvb_frontend *dib0090_fw_register(struct dvb_frontend *fe, struct i2c_ada
 	if (dib0090_fw_reset_digital(fe, st->config) != 0)
 		goto free_mem;
 
-	dprintk("DiB0090 FW: successfully identified");
+	dprintk("DiB0090 FW: successfully identified\n");
 	memcpy(&fe->ops.tuner_ops, &dib0090_fw_ops, sizeof(struct dvb_tuner_ops));
 
 	return fe;
diff --git a/drivers/media/dvb-frontends/dib3000mb.c b/drivers/media/dvb-frontends/dib3000mb.c
index 6821ecb53d63..068bec104e29 100644
--- a/drivers/media/dvb-frontends/dib3000mb.c
+++ b/drivers/media/dvb-frontends/dib3000mb.c
@@ -21,6 +21,8 @@
  *
  */
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/init.h>
@@ -42,13 +44,13 @@ static int debug;
 module_param(debug, int, 0644);
 MODULE_PARM_DESC(debug, "set debugging level (1=info,2=xfer,4=setfe,8=getfe (|-able)).");
 
-#define deb_info(args...) dprintk(0x01,args)
-#define deb_i2c(args...)  dprintk(0x02,args)
-#define deb_srch(args...) dprintk(0x04,args)
-#define deb_info(args...) dprintk(0x01,args)
-#define deb_xfer(args...) dprintk(0x02,args)
-#define deb_setf(args...) dprintk(0x04,args)
-#define deb_getf(args...) dprintk(0x08,args)
+#define deb_info(args...) dprintk(0x01, args)
+#define deb_i2c(args...)  dprintk(0x02, args)
+#define deb_srch(args...) dprintk(0x04, args)
+#define deb_info(args...) dprintk(0x01, args)
+#define deb_xfer(args...) dprintk(0x02, args)
+#define deb_setf(args...) dprintk(0x04, args)
+#define deb_getf(args...) dprintk(0x08, args)
 
 static int dib3000_read_reg(struct dib3000_state *state, u16 reg)
 {
@@ -126,103 +128,96 @@ static int dib3000mb_set_frontend(struct dvb_frontend *fe, int tuner)
 		fe->ops.tuner_ops.set_params(fe);
 		if (fe->ops.i2c_gate_ctrl) fe->ops.i2c_gate_ctrl(fe, 0);
 
-		deb_setf("bandwidth: ");
 		switch (c->bandwidth_hz) {
 			case 8000000:
-				deb_setf("8 MHz\n");
 				wr_foreach(dib3000mb_reg_timing_freq, dib3000mb_timing_freq[2]);
 				wr_foreach(dib3000mb_reg_bandwidth, dib3000mb_bandwidth_8mhz);
 				break;
 			case 7000000:
-				deb_setf("7 MHz\n");
 				wr_foreach(dib3000mb_reg_timing_freq, dib3000mb_timing_freq[1]);
 				wr_foreach(dib3000mb_reg_bandwidth, dib3000mb_bandwidth_7mhz);
 				break;
 			case 6000000:
-				deb_setf("6 MHz\n");
 				wr_foreach(dib3000mb_reg_timing_freq, dib3000mb_timing_freq[0]);
 				wr_foreach(dib3000mb_reg_bandwidth, dib3000mb_bandwidth_6mhz);
 				break;
 			case 0:
 				return -EOPNOTSUPP;
 			default:
-				err("unknown bandwidth value.");
+				pr_err("unknown bandwidth value.\n");
 				return -EINVAL;
 		}
+		deb_setf("bandwidth: %d MHZ\n", c->bandwidth_hz / 1000000);
 	}
 	wr(DIB3000MB_REG_LOCK1_MASK, DIB3000MB_LOCK1_SEARCH_4);
 
-	deb_setf("transmission mode: ");
 	switch (c->transmission_mode) {
 		case TRANSMISSION_MODE_2K:
-			deb_setf("2k\n");
+			deb_setf("transmission mode: 2k\n");
 			wr(DIB3000MB_REG_FFT, DIB3000_TRANSMISSION_MODE_2K);
 			break;
 		case TRANSMISSION_MODE_8K:
-			deb_setf("8k\n");
+			deb_setf("transmission mode: 8k\n");
 			wr(DIB3000MB_REG_FFT, DIB3000_TRANSMISSION_MODE_8K);
 			break;
 		case TRANSMISSION_MODE_AUTO:
-			deb_setf("auto\n");
+			deb_setf("transmission mode: auto\n");
 			break;
 		default:
 			return -EINVAL;
 	}
 
-	deb_setf("guard: ");
 	switch (c->guard_interval) {
 		case GUARD_INTERVAL_1_32:
-			deb_setf("1_32\n");
+			deb_setf("guard 1_32\n");
 			wr(DIB3000MB_REG_GUARD_TIME, DIB3000_GUARD_TIME_1_32);
 			break;
 		case GUARD_INTERVAL_1_16:
-			deb_setf("1_16\n");
+			deb_setf("guard 1_16\n");
 			wr(DIB3000MB_REG_GUARD_TIME, DIB3000_GUARD_TIME_1_16);
 			break;
 		case GUARD_INTERVAL_1_8:
-			deb_setf("1_8\n");
+			deb_setf("guard 1_8\n");
 			wr(DIB3000MB_REG_GUARD_TIME, DIB3000_GUARD_TIME_1_8);
 			break;
 		case GUARD_INTERVAL_1_4:
-			deb_setf("1_4\n");
+			deb_setf("guard 1_4\n");
 			wr(DIB3000MB_REG_GUARD_TIME, DIB3000_GUARD_TIME_1_4);
 			break;
 		case GUARD_INTERVAL_AUTO:
-			deb_setf("auto\n");
+			deb_setf("guard auto\n");
 			break;
 		default:
 			return -EINVAL;
 	}
 
-	deb_setf("inversion: ");
 	switch (c->inversion) {
 		case INVERSION_OFF:
-			deb_setf("off\n");
+			deb_setf("inversion off\n");
 			wr(DIB3000MB_REG_DDS_INV, DIB3000_DDS_INVERSION_OFF);
 			break;
 		case INVERSION_AUTO:
-			deb_setf("auto ");
+			deb_setf("inversion auto\n");
 			break;
 		case INVERSION_ON:
-			deb_setf("on\n");
+			deb_setf("inversion on\n");
 			wr(DIB3000MB_REG_DDS_INV, DIB3000_DDS_INVERSION_ON);
 			break;
 		default:
 			return -EINVAL;
 	}
 
-	deb_setf("modulation: ");
 	switch (c->modulation) {
 		case QPSK:
-			deb_setf("qpsk\n");
+			deb_setf("modulation: qpsk\n");
 			wr(DIB3000MB_REG_QAM, DIB3000_CONSTELLATION_QPSK);
 			break;
 		case QAM_16:
-			deb_setf("qam16\n");
+			deb_setf("modulation: qam16\n");
 			wr(DIB3000MB_REG_QAM, DIB3000_CONSTELLATION_16QAM);
 			break;
 		case QAM_64:
-			deb_setf("qam64\n");
+			deb_setf("modulation: qam64\n");
 			wr(DIB3000MB_REG_QAM, DIB3000_CONSTELLATION_64QAM);
 			break;
 		case QAM_AUTO:
@@ -230,69 +225,64 @@ static int dib3000mb_set_frontend(struct dvb_frontend *fe, int tuner)
 		default:
 			return -EINVAL;
 	}
-	deb_setf("hierarchy: ");
 	switch (c->hierarchy) {
 		case HIERARCHY_NONE:
-			deb_setf("none ");
+			deb_setf("hierarchy: none\n");
 			/* fall through */
 		case HIERARCHY_1:
-			deb_setf("alpha=1\n");
+			deb_setf("hierarchy: alpha=1\n");
 			wr(DIB3000MB_REG_VIT_ALPHA, DIB3000_ALPHA_1);
 			break;
 		case HIERARCHY_2:
-			deb_setf("alpha=2\n");
+			deb_setf("hierarchy: alpha=2\n");
 			wr(DIB3000MB_REG_VIT_ALPHA, DIB3000_ALPHA_2);
 			break;
 		case HIERARCHY_4:
-			deb_setf("alpha=4\n");
+			deb_setf("hierarchy: alpha=4\n");
 			wr(DIB3000MB_REG_VIT_ALPHA, DIB3000_ALPHA_4);
 			break;
 		case HIERARCHY_AUTO:
-			deb_setf("alpha=auto\n");
+			deb_setf("hierarchy: alpha=auto\n");
 			break;
 		default:
 			return -EINVAL;
 	}
 
-	deb_setf("hierarchy: ");
 	if (c->hierarchy == HIERARCHY_NONE) {
-		deb_setf("none\n");
 		wr(DIB3000MB_REG_VIT_HRCH, DIB3000_HRCH_OFF);
 		wr(DIB3000MB_REG_VIT_HP, DIB3000_SELECT_HP);
 		fe_cr = c->code_rate_HP;
 	} else if (c->hierarchy != HIERARCHY_AUTO) {
-		deb_setf("on\n");
 		wr(DIB3000MB_REG_VIT_HRCH, DIB3000_HRCH_ON);
 		wr(DIB3000MB_REG_VIT_HP, DIB3000_SELECT_LP);
 		fe_cr = c->code_rate_LP;
 	}
-	deb_setf("fec: ");
 	switch (fe_cr) {
 		case FEC_1_2:
-			deb_setf("1_2\n");
+			deb_setf("fec: 1_2\n");
 			wr(DIB3000MB_REG_VIT_CODE_RATE, DIB3000_FEC_1_2);
 			break;
 		case FEC_2_3:
-			deb_setf("2_3\n");
+			deb_setf("fec: 2_3\n");
 			wr(DIB3000MB_REG_VIT_CODE_RATE, DIB3000_FEC_2_3);
 			break;
 		case FEC_3_4:
-			deb_setf("3_4\n");
+			deb_setf("fec: 3_4\n");
 			wr(DIB3000MB_REG_VIT_CODE_RATE, DIB3000_FEC_3_4);
 			break;
 		case FEC_5_6:
-			deb_setf("5_6\n");
+			deb_setf("fec: 5_6\n");
 			wr(DIB3000MB_REG_VIT_CODE_RATE, DIB3000_FEC_5_6);
 			break;
 		case FEC_7_8:
-			deb_setf("7_8\n");
+			deb_setf("fec: 7_8\n");
 			wr(DIB3000MB_REG_VIT_CODE_RATE, DIB3000_FEC_7_8);
 			break;
 		case FEC_NONE:
-			deb_setf("none ");
+			deb_setf("fec: none\n");
 			break;
 		case FEC_AUTO:
-			deb_setf("auto\n");
+			deb_setf("fec: auto\n");
 			break;
 		default:
 			return -EINVAL;
@@ -357,7 +347,8 @@ static int dib3000mb_set_frontend(struct dvb_frontend *fe, int tuner)
 					rd(DIB3000MB_REG_LOCK2_VALUE))) < 0 && as_count++ < 100)
 			msleep(1);
 
-		deb_setf("search_state after autosearch %d after %d checks\n",search_state,as_count);
+		deb_setf("search_state after autosearch %d after %d checks\n",
+			 search_state, as_count);
 
 		if (search_state == 1) {
 			if (dib3000mb_get_frontend(fe, c) == 0) {
@@ -464,7 +455,7 @@ static int dib3000mb_get_frontend(struct dvb_frontend* fe,
 		return 0;
 
 	dds_val = ((rd(DIB3000MB_REG_DDS_VALUE_MSB) & 0xff) << 16) + rd(DIB3000MB_REG_DDS_VALUE_LSB);
-	deb_getf("DDS_VAL: %x %x %x",dds_val, rd(DIB3000MB_REG_DDS_VALUE_MSB), rd(DIB3000MB_REG_DDS_VALUE_LSB));
+	deb_getf("DDS_VAL: %x %x %x\n", dds_val, rd(DIB3000MB_REG_DDS_VALUE_MSB), rd(DIB3000MB_REG_DDS_VALUE_LSB));
 	if (dds_val < threshold)
 		inv_test1 = 0;
 	else if (dds_val == threshold)
@@ -473,7 +464,7 @@ static int dib3000mb_get_frontend(struct dvb_frontend* fe,
 		inv_test1 = 2;
 
 	dds_val = ((rd(DIB3000MB_REG_DDS_FREQ_MSB) & 0xff) << 16) + rd(DIB3000MB_REG_DDS_FREQ_LSB);
-	deb_getf("DDS_FREQ: %x %x %x",dds_val, rd(DIB3000MB_REG_DDS_FREQ_MSB), rd(DIB3000MB_REG_DDS_FREQ_LSB));
+	deb_getf("DDS_FREQ: %x %x %x\n", dds_val, rd(DIB3000MB_REG_DDS_FREQ_MSB), rd(DIB3000MB_REG_DDS_FREQ_LSB));
 	if (dds_val < threshold)
 		inv_test2 = 0;
 	else if (dds_val == threshold)
@@ -490,19 +481,19 @@ static int dib3000mb_get_frontend(struct dvb_frontend* fe,
 
 	switch ((tps_val = rd(DIB3000MB_REG_TPS_QAM))) {
 		case DIB3000_CONSTELLATION_QPSK:
-			deb_getf("QPSK ");
+			deb_getf("QPSK\n");
 			c->modulation = QPSK;
 			break;
 		case DIB3000_CONSTELLATION_16QAM:
-			deb_getf("QAM16 ");
+			deb_getf("QAM16\n");
 			c->modulation = QAM_16;
 			break;
 		case DIB3000_CONSTELLATION_64QAM:
-			deb_getf("QAM64 ");
+			deb_getf("QAM64\n");
 			c->modulation = QAM_64;
 			break;
 		default:
-			err("Unexpected constellation returned by TPS (%d)", tps_val);
+			pr_err("Unexpected constellation returned by TPS (%d)\n", tps_val);
 			break;
 	}
 	deb_getf("TPS: %d\n", tps_val);
@@ -513,23 +504,23 @@ static int dib3000mb_get_frontend(struct dvb_frontend* fe,
 		c->code_rate_HP = FEC_NONE;
 		switch ((tps_val = rd(DIB3000MB_REG_TPS_VIT_ALPHA))) {
 			case DIB3000_ALPHA_0:
-				deb_getf("HIERARCHY_NONE ");
+				deb_getf("HIERARCHY_NONE\n");
 				c->hierarchy = HIERARCHY_NONE;
 				break;
 			case DIB3000_ALPHA_1:
-				deb_getf("HIERARCHY_1 ");
+				deb_getf("HIERARCHY_1\n");
 				c->hierarchy = HIERARCHY_1;
 				break;
 			case DIB3000_ALPHA_2:
-				deb_getf("HIERARCHY_2 ");
+				deb_getf("HIERARCHY_2\n");
 				c->hierarchy = HIERARCHY_2;
 				break;
 			case DIB3000_ALPHA_4:
-				deb_getf("HIERARCHY_4 ");
+				deb_getf("HIERARCHY_4\n");
 				c->hierarchy = HIERARCHY_4;
 				break;
 			default:
-				err("Unexpected ALPHA value returned by TPS (%d)", tps_val);
+				pr_err("Unexpected ALPHA value returned by TPS (%d)\n", tps_val);
 				break;
 		}
 		deb_getf("TPS: %d\n", tps_val);
@@ -546,65 +537,65 @@ static int dib3000mb_get_frontend(struct dvb_frontend* fe,
 
 	switch (tps_val) {
 		case DIB3000_FEC_1_2:
-			deb_getf("FEC_1_2 ");
+			deb_getf("FEC_1_2\n");
 			*cr = FEC_1_2;
 			break;
 		case DIB3000_FEC_2_3:
-			deb_getf("FEC_2_3 ");
+			deb_getf("FEC_2_3\n");
 			*cr = FEC_2_3;
 			break;
 		case DIB3000_FEC_3_4:
-			deb_getf("FEC_3_4 ");
+			deb_getf("FEC_3_4\n");
 			*cr = FEC_3_4;
 			break;
 		case DIB3000_FEC_5_6:
-			deb_getf("FEC_5_6 ");
+			deb_getf("FEC_5_6\n");
 			*cr = FEC_4_5;
 			break;
 		case DIB3000_FEC_7_8:
-			deb_getf("FEC_7_8 ");
+			deb_getf("FEC_7_8\n");
 			*cr = FEC_7_8;
 			break;
 		default:
-			err("Unexpected FEC returned by TPS (%d)", tps_val);
+			pr_err("Unexpected FEC returned by TPS (%d)\n", tps_val);
 			break;
 	}
 	deb_getf("TPS: %d\n",tps_val);
 
 	switch ((tps_val = rd(DIB3000MB_REG_TPS_GUARD_TIME))) {
 		case DIB3000_GUARD_TIME_1_32:
-			deb_getf("GUARD_INTERVAL_1_32 ");
+			deb_getf("GUARD_INTERVAL_1_32\n");
 			c->guard_interval = GUARD_INTERVAL_1_32;
 			break;
 		case DIB3000_GUARD_TIME_1_16:
-			deb_getf("GUARD_INTERVAL_1_16 ");
+			deb_getf("GUARD_INTERVAL_1_16\n");
 			c->guard_interval = GUARD_INTERVAL_1_16;
 			break;
 		case DIB3000_GUARD_TIME_1_8:
-			deb_getf("GUARD_INTERVAL_1_8 ");
+			deb_getf("GUARD_INTERVAL_1_8\n");
 			c->guard_interval = GUARD_INTERVAL_1_8;
 			break;
 		case DIB3000_GUARD_TIME_1_4:
-			deb_getf("GUARD_INTERVAL_1_4 ");
+			deb_getf("GUARD_INTERVAL_1_4\n");
 			c->guard_interval = GUARD_INTERVAL_1_4;
 			break;
 		default:
-			err("Unexpected Guard Time returned by TPS (%d)", tps_val);
+			pr_err("Unexpected Guard Time returned by TPS (%d)\n", tps_val);
 			break;
 	}
 	deb_getf("TPS: %d\n", tps_val);
 
 	switch ((tps_val = rd(DIB3000MB_REG_TPS_FFT))) {
 		case DIB3000_TRANSMISSION_MODE_2K:
-			deb_getf("TRANSMISSION_MODE_2K ");
+			deb_getf("TRANSMISSION_MODE_2K\n");
 			c->transmission_mode = TRANSMISSION_MODE_2K;
 			break;
 		case DIB3000_TRANSMISSION_MODE_8K:
-			deb_getf("TRANSMISSION_MODE_8K ");
+			deb_getf("TRANSMISSION_MODE_8K\n");
 			c->transmission_mode = TRANSMISSION_MODE_8K;
 			break;
 		default:
-			err("unexpected transmission mode return by TPS (%d)", tps_val);
+			pr_err("unexpected transmission mode return by TPS (%d)\n", tps_val);
 			break;
 	}
 	deb_getf("TPS: %d\n", tps_val);
@@ -751,7 +742,7 @@ static int dib3000mb_tuner_pass_ctrl(struct dvb_frontend *fe, int onoff, u8 pll_
 	return 0;
 }
 
-static struct dvb_frontend_ops dib3000mb_ops;
+static const struct dvb_frontend_ops dib3000mb_ops;
 
 struct dvb_frontend* dib3000mb_attach(const struct dib3000_config* config,
 				      struct i2c_adapter* i2c, struct dib_fe_xfer_ops *xfer_ops)
@@ -791,7 +782,7 @@ error:
 	return NULL;
 }
 
-static struct dvb_frontend_ops dib3000mb_ops = {
+static const struct dvb_frontend_ops dib3000mb_ops = {
 	.delsys = { SYS_DVBT },
 	.info = {
 		.name			= "DiBcom 3000M-B DVB-T",
diff --git a/drivers/media/dvb-frontends/dib3000mb_priv.h b/drivers/media/dvb-frontends/dib3000mb_priv.h
index 0459d5c84314..ef7f5d136c6b 100644
--- a/drivers/media/dvb-frontends/dib3000mb_priv.h
+++ b/drivers/media/dvb-frontends/dib3000mb_priv.h
@@ -13,20 +13,15 @@
 #ifndef __DIB3000MB_PRIV_H_INCLUDED__
 #define __DIB3000MB_PRIV_H_INCLUDED__
 
-/* info and err, taken from usb.h, if there is anything available like by default. */
-#define err(format, arg...)  printk(KERN_ERR     "dib3000: " format "\n" , ## arg)
-#define info(format, arg...) printk(KERN_INFO    "dib3000: " format "\n" , ## arg)
-#define warn(format, arg...) printk(KERN_WARNING "dib3000: " format "\n" , ## arg)
-
 /* handy shortcuts */
 #define rd(reg) dib3000_read_reg(state,reg)
 
 #define wr(reg,val) if (dib3000_write_reg(state,reg,val)) \
-	{ err("while sending 0x%04x to 0x%04x.",val,reg); return -EREMOTEIO; }
+	{ pr_err("while sending 0x%04x to 0x%04x.", val, reg); return -EREMOTEIO; }
 
 #define wr_foreach(a,v) { int i; \
 	if (sizeof(a) != sizeof(v)) \
-		err("sizeof: %zu %zu is different",sizeof(a),sizeof(v));\
+		pr_err("sizeof: %zu %zu is different", sizeof(a), sizeof(v));\
 	for (i=0; i < sizeof(a)/sizeof(u16); i++) \
 		wr(a[i],v[i]); \
 	}
@@ -37,8 +32,11 @@
 
 /* debug */
 
-#define dprintk(level,args...) \
-    do { if ((debug & level)) { printk(args); } } while (0)
+#define dprintk(level, fmt, arg...) do {				\
+	if (debug & level)						\
+		printk(KERN_DEBUG pr_fmt("%s: " fmt),			\
+		       __func__, ##arg);				\
+} while (0)
 
 /* mask for enabling a specific pid for the pid_filter */
 #define DIB3000_ACTIVATE_PID_FILTERING	(0x2000)
diff --git a/drivers/media/dvb-frontends/dib3000mc.c b/drivers/media/dvb-frontends/dib3000mc.c
index da0f1dc5aaf7..224283fe100a 100644
--- a/drivers/media/dvb-frontends/dib3000mc.c
+++ b/drivers/media/dvb-frontends/dib3000mc.c
@@ -11,6 +11,8 @@
  *	published by the Free Software Foundation, version 2.
  */
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/kernel.h>
 #include <linux/slab.h>
 #include <linux/i2c.h>
@@ -27,7 +29,11 @@ static int buggy_sfn_workaround;
 module_param(buggy_sfn_workaround, int, 0644);
 MODULE_PARM_DESC(buggy_sfn_workaround, "Enable work-around for buggy SFNs (default: 0)");
 
-#define dprintk(args...) do { if (debug) { printk(KERN_DEBUG "DiB3000MC/P:"); printk(args); printk("\n"); } } while (0)
+#define dprintk(fmt, arg...) do {					\
+	if (debug)							\
+		printk(KERN_DEBUG pr_fmt("%s: " fmt),			\
+		       __func__, ##arg);				\
+} while (0)
 
 struct dib3000mc_state {
 	struct dvb_frontend demod;
@@ -873,7 +879,7 @@ int dib3000mc_i2c_enumeration(struct i2c_adapter *i2c, int no_of_demods, u8 defa
 }
 EXPORT_SYMBOL(dib3000mc_i2c_enumeration);
 
-static struct dvb_frontend_ops dib3000mc_ops;
+static const struct dvb_frontend_ops dib3000mc_ops;
 
 struct dvb_frontend * dib3000mc_attach(struct i2c_adapter *i2c_adap, u8 i2c_addr, struct dib3000mc_config *cfg)
 {
@@ -906,7 +912,7 @@ error:
 }
 EXPORT_SYMBOL(dib3000mc_attach);
 
-static struct dvb_frontend_ops dib3000mc_ops = {
+static const struct dvb_frontend_ops dib3000mc_ops = {
 	.delsys = { SYS_DVBT },
 	.info = {
 		.name = "DiBcom 3000MC/P",
diff --git a/drivers/media/dvb-frontends/dib7000m.c b/drivers/media/dvb-frontends/dib7000m.c
index b3ddae8885ac..5ce9f93a65c3 100644
--- a/drivers/media/dvb-frontends/dib7000m.c
+++ b/drivers/media/dvb-frontends/dib7000m.c
@@ -8,6 +8,9 @@
  *	modify it under the terms of the GNU General Public License as
  *	published by the Free Software Foundation, version 2.
  */
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/kernel.h>
 #include <linux/slab.h>
 #include <linux/i2c.h>
@@ -21,7 +24,11 @@ static int debug;
 module_param(debug, int, 0644);
 MODULE_PARM_DESC(debug, "turn on debugging (default: 0)");
 
-#define dprintk(args...) do { if (debug) { printk(KERN_DEBUG "DiB7000M: "); printk(args); printk("\n"); } } while (0)
+#define dprintk(fmt, arg...) do {					\
+	if (debug)							\
+		printk(KERN_DEBUG pr_fmt("%s: " fmt),			\
+		       __func__, ##arg);				\
+} while (0)
 
 struct dib7000m_state {
 	struct dvb_frontend demod;
@@ -74,7 +81,7 @@ static u16 dib7000m_read_word(struct dib7000m_state *state, u16 reg)
 	u16 ret;
 
 	if (mutex_lock_interruptible(&state->i2c_buffer_lock) < 0) {
-		dprintk("could not acquire lock");
+		dprintk("could not acquire lock\n");
 		return 0;
 	}
 
@@ -92,7 +99,7 @@ static u16 dib7000m_read_word(struct dib7000m_state *state, u16 reg)
 	state->msg[1].len = 2;
 
 	if (i2c_transfer(state->i2c_adap, state->msg, 2) != 2)
-		dprintk("i2c read error on %d",reg);
+		dprintk("i2c read error on %d\n", reg);
 
 	ret = (state->i2c_read_buffer[0] << 8) | state->i2c_read_buffer[1];
 	mutex_unlock(&state->i2c_buffer_lock);
@@ -105,7 +112,7 @@ static int dib7000m_write_word(struct dib7000m_state *state, u16 reg, u16 val)
 	int ret;
 
 	if (mutex_lock_interruptible(&state->i2c_buffer_lock) < 0) {
-		dprintk("could not acquire lock");
+		dprintk("could not acquire lock\n");
 		return -EINVAL;
 	}
 
@@ -154,7 +161,7 @@ static int dib7000m_set_output_mode(struct dib7000m_state *state, int mode)
 	fifo_threshold = 1792;
 	smo_mode = (dib7000m_read_word(state, 294 + state->reg_offs) & 0x0010) | (1 << 1);
 
-	dprintk( "setting output mode for demod %p to %d", &state->demod, mode);
+	dprintk("setting output mode for demod %p to %d\n", &state->demod, mode);
 
 	switch (mode) {
 		case OUTMODE_MPEG2_PAR_GATED_CLK:   // STBs with parallel gated clock
@@ -181,7 +188,7 @@ static int dib7000m_set_output_mode(struct dib7000m_state *state, int mode)
 			outreg = 0;
 			break;
 		default:
-			dprintk( "Unhandled output_mode passed to be set for demod %p",&state->demod);
+			dprintk("Unhandled output_mode passed to be set for demod %p\n", &state->demod);
 			break;
 	}
 
@@ -302,7 +309,7 @@ static int dib7000m_set_adc_state(struct dib7000m_state *state, enum dibx000_adc
 			break;
 	}
 
-//	dprintk( "913: %x, 914: %x", reg_913, reg_914);
+//	dprintk("913: %x, 914: %x\n", reg_913, reg_914);
 	ret |= dib7000m_write_word(state, 913, reg_913);
 	ret |= dib7000m_write_word(state, 914, reg_914);
 
@@ -320,10 +327,10 @@ static int dib7000m_set_bandwidth(struct dib7000m_state *state, u32 bw)
 	state->current_bandwidth = bw;
 
 	if (state->timf == 0) {
-		dprintk( "using default timf");
+		dprintk("using default timf\n");
 		timf = state->timf_default;
 	} else {
-		dprintk( "using updated timf");
+		dprintk("using updated timf\n");
 		timf = state->timf;
 	}
 
@@ -340,7 +347,7 @@ static int dib7000m_set_diversity_in(struct dvb_frontend *demod, int onoff)
 	struct dib7000m_state *state = demod->demodulator_priv;
 
 	if (state->div_force_off) {
-		dprintk( "diversity combination deactivated - forced by COFDM parameters");
+		dprintk("diversity combination deactivated - forced by COFDM parameters\n");
 		onoff = 0;
 	}
 	state->div_state = (u8)onoff;
@@ -580,10 +587,10 @@ static int dib7000m_demod_reset(struct dib7000m_state *state)
 		dib7000mc_reset_pll(state);
 
 	if (dib7000m_reset_gpio(state) != 0)
-		dprintk( "GPIO reset was not successful.");
+		dprintk("GPIO reset was not successful.\n");
 
 	if (dib7000m_set_output_mode(state, OUTMODE_HIGH_Z) != 0)
-		dprintk( "OUTPUT_MODE could not be reset.");
+		dprintk("OUTPUT_MODE could not be reset.\n");
 
 	/* unforce divstr regardless whether i2c enumeration was done or not */
 	dib7000m_write_word(state, 1794, dib7000m_read_word(state, 1794) & ~(1 << 1) );
@@ -650,7 +657,7 @@ static int dib7000m_agc_soft_split(struct dib7000m_state *state)
 			(agc - state->current_agc->split.min_thres) /
 			(state->current_agc->split.max_thres - state->current_agc->split.min_thres);
 
-	dprintk( "AGC split_offset: %d",split_offset);
+	dprintk("AGC split_offset: %d\n", split_offset);
 
 	// P_agc_force_split and P_agc_split_offset
 	return dib7000m_write_word(state, 103, (dib7000m_read_word(state, 103) & 0xff00) | split_offset);
@@ -687,7 +694,7 @@ static int dib7000m_set_agc_config(struct dib7000m_state *state, u8 band)
 		}
 
 	if (agc == NULL) {
-		dprintk( "no valid AGC configuration found for band 0x%02x",band);
+		dprintk("no valid AGC configuration found for band 0x%02x\n", band);
 		return -EINVAL;
 	}
 
@@ -703,7 +710,7 @@ static int dib7000m_set_agc_config(struct dib7000m_state *state, u8 band)
 	dib7000m_write_word(state, 98, (agc->alpha_mant << 5) | agc->alpha_exp);
 	dib7000m_write_word(state, 99, (agc->beta_mant  << 6) | agc->beta_exp);
 
-	dprintk( "WBD: ref: %d, sel: %d, active: %d, alpha: %d",
+	dprintk("WBD: ref: %d, sel: %d, active: %d, alpha: %d\n",
 		state->wbd_ref != 0 ? state->wbd_ref : agc->wbd_ref, agc->wbd_sel, !agc->perform_agc_softsplit, agc->wbd_sel);
 
 	/* AGC continued */
@@ -724,7 +731,7 @@ static int dib7000m_set_agc_config(struct dib7000m_state *state, u8 band)
 
 	if (state->revision > 0x4000) { // settings for the MC
 		dib7000m_write_word(state, 71,   agc->agc1_pt3);
-//		dprintk( "929: %x %d %d",
+//		dprintk("929: %x %d %d\n",
 //			(dib7000m_read_word(state, 929) & 0xffe3) | (agc->wbd_inv << 4) | (agc->wbd_sel << 2), agc->wbd_inv, agc->wbd_sel);
 		dib7000m_write_word(state, 929, (dib7000m_read_word(state, 929) & 0xffe3) | (agc->wbd_inv << 4) | (agc->wbd_sel << 2));
 	} else {
@@ -742,7 +749,7 @@ static void dib7000m_update_timf(struct dib7000m_state *state)
 	state->timf = timf * 160 / (state->current_bandwidth / 50);
 	dib7000m_write_word(state, 23, (u16) (timf >> 16));
 	dib7000m_write_word(state, 24, (u16) (timf & 0xffff));
-	dprintk( "updated timf_frequency: %d (default: %d)",state->timf, state->timf_default);
+	dprintk("updated timf_frequency: %d (default: %d)\n", state->timf, state->timf_default);
 }
 
 static int dib7000m_agc_startup(struct dvb_frontend *demod)
@@ -804,7 +811,7 @@ static int dib7000m_agc_startup(struct dvb_frontend *demod)
 
 			dib7000m_restart_agc(state);
 
-			dprintk( "SPLIT %p: %hd", demod, agc_split);
+			dprintk("SPLIT %p: %hd\n", demod, agc_split);
 
 			(*agc_state)++;
 			ret = 5;
@@ -1013,12 +1020,12 @@ static int dib7000m_autosearch_irq(struct dib7000m_state *state, u16 reg)
 	u16 irq_pending = dib7000m_read_word(state, reg);
 
 	if (irq_pending & 0x1) { // failed
-		dprintk( "autosearch failed");
+		dprintk("autosearch failed\n");
 		return 1;
 	}
 
 	if (irq_pending & 0x2) { // succeeded
-		dprintk( "autosearch succeeded");
+		dprintk("autosearch succeeded\n");
 		return 2;
 	}
 	return 0; // still pending
@@ -1102,7 +1109,7 @@ static int dib7000m_wakeup(struct dvb_frontend *demod)
 	dib7000m_set_power_mode(state, DIB7000M_POWER_ALL);
 
 	if (dib7000m_set_adc_state(state, DIBX000_SLOW_ADC_ON) != 0)
-		dprintk( "could not start Slow ADC");
+		dprintk("could not start Slow ADC\n");
 
 	return 0;
 }
@@ -1121,7 +1128,7 @@ static int dib7000m_identify(struct dib7000m_state *state)
 	u16 value;
 
 	if ((value = dib7000m_read_word(state, 896)) != 0x01b3) {
-		dprintk( "wrong Vendor ID (0x%x)",value);
+		dprintk("wrong Vendor ID (0x%x)\n", value);
 		return -EREMOTEIO;
 	}
 
@@ -1130,21 +1137,21 @@ static int dib7000m_identify(struct dib7000m_state *state)
 		state->revision != 0x4001 &&
 		state->revision != 0x4002 &&
 		state->revision != 0x4003) {
-		dprintk( "wrong Device ID (0x%x)",value);
+		dprintk("wrong Device ID (0x%x)\n", value);
 		return -EREMOTEIO;
 	}
 
 	/* protect this driver to be used with 7000PC */
 	if (state->revision == 0x4000 && dib7000m_read_word(state, 769) == 0x4000) {
-		dprintk( "this driver does not work with DiB7000PC");
+		dprintk("this driver does not work with DiB7000PC\n");
 		return -EREMOTEIO;
 	}
 
 	switch (state->revision) {
-		case 0x4000: dprintk( "found DiB7000MA/PA/MB/PB"); break;
-		case 0x4001: state->reg_offs = 1; dprintk( "found DiB7000HC"); break;
-		case 0x4002: state->reg_offs = 1; dprintk( "found DiB7000MC"); break;
-		case 0x4003: state->reg_offs = 1; dprintk( "found DiB9000"); break;
+	case 0x4000: dprintk("found DiB7000MA/PA/MB/PB\n"); break;
+	case 0x4001: state->reg_offs = 1; dprintk("found DiB7000HC\n"); break;
+	case 0x4002: state->reg_offs = 1; dprintk("found DiB7000MC\n"); break;
+	case 0x4003: state->reg_offs = 1; dprintk("found DiB9000\n"); break;
 	}
 
 	return 0;
@@ -1242,7 +1249,7 @@ static int dib7000m_set_frontend(struct dvb_frontend *fe)
 			found = dib7000m_autosearch_is_irq(fe);
 		} while (found == 0 && i--);
 
-		dprintk("autosearch returns: %d",found);
+		dprintk("autosearch returns: %d\n", found);
 		if (found == 0 || found == 1)
 			return 0; // no channel found
 
@@ -1330,7 +1337,7 @@ int dib7000m_pid_filter_ctrl(struct dvb_frontend *fe, u8 onoff)
 	struct dib7000m_state *state = fe->demodulator_priv;
 	u16 val = dib7000m_read_word(state, 294 + state->reg_offs) & 0xffef;
 	val |= (onoff & 0x1) << 4;
-	dprintk("PID filter enabled %d", onoff);
+	dprintk("PID filter enabled %d\n", onoff);
 	return dib7000m_write_word(state, 294 + state->reg_offs, val);
 }
 EXPORT_SYMBOL(dib7000m_pid_filter_ctrl);
@@ -1338,7 +1345,7 @@ EXPORT_SYMBOL(dib7000m_pid_filter_ctrl);
 int dib7000m_pid_filter(struct dvb_frontend *fe, u8 id, u16 pid, u8 onoff)
 {
 	struct dib7000m_state *state = fe->demodulator_priv;
-	dprintk("PID filter: index %x, PID %d, OnOff %d", id, pid, onoff);
+	dprintk("PID filter: index %x, PID %d, OnOff %d\n", id, pid, onoff);
 	return dib7000m_write_word(state, 300 + state->reg_offs + id,
 			onoff ? (1 << 13) | pid : 0);
 }
@@ -1362,7 +1369,7 @@ int dib7000m_i2c_enumeration(struct i2c_adapter *i2c, int no_of_demods,
 		if (dib7000m_identify(&st) != 0) {
 			st.i2c_addr = default_addr;
 			if (dib7000m_identify(&st) != 0) {
-				dprintk("DiB7000M #%d: not identified", k);
+				dprintk("DiB7000M #%d: not identified\n", k);
 				return -EIO;
 			}
 		}
@@ -1375,7 +1382,7 @@ int dib7000m_i2c_enumeration(struct i2c_adapter *i2c, int no_of_demods,
 		/* set new i2c address and force divstart */
 		dib7000m_write_word(&st, 1794, (new_addr << 2) | 0x2);
 
-		dprintk("IC %d initialized (to i2c_address 0x%x)", k, new_addr);
+		dprintk("IC %d initialized (to i2c_address 0x%x)\n", k, new_addr);
 	}
 
 	for (k = 0; k < no_of_demods; k++) {
@@ -1394,7 +1401,7 @@ int dib7000m_i2c_enumeration(struct i2c_adapter *i2c, int no_of_demods,
 EXPORT_SYMBOL(dib7000m_i2c_enumeration);
 #endif
 
-static struct dvb_frontend_ops dib7000m_ops;
+static const struct dvb_frontend_ops dib7000m_ops;
 struct dvb_frontend * dib7000m_attach(struct i2c_adapter *i2c_adap, u8 i2c_addr, struct dib7000m_config *cfg)
 {
 	struct dvb_frontend *demod;
@@ -1432,7 +1439,7 @@ error:
 }
 EXPORT_SYMBOL(dib7000m_attach);
 
-static struct dvb_frontend_ops dib7000m_ops = {
+static const struct dvb_frontend_ops dib7000m_ops = {
 	.delsys = { SYS_DVBT },
 	.info = {
 		.name = "DiBcom 7000MA/MB/PA/PB/MC",
diff --git a/drivers/media/dvb-frontends/dib7000p.c b/drivers/media/dvb-frontends/dib7000p.c
index b861d4437f2a..a27c0001f2d6 100644
--- a/drivers/media/dvb-frontends/dib7000p.c
+++ b/drivers/media/dvb-frontends/dib7000p.c
@@ -7,6 +7,9 @@
  *	modify it under the terms of the GNU General Public License as
  *	published by the Free Software Foundation, version 2.
  */
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/kernel.h>
 #include <linux/slab.h>
 #include <linux/i2c.h>
@@ -26,7 +29,11 @@ static int buggy_sfn_workaround;
 module_param(buggy_sfn_workaround, int, 0644);
 MODULE_PARM_DESC(buggy_sfn_workaround, "Enable work-around for buggy SFNs (default: 0)");
 
-#define dprintk(args...) do { if (debug) { printk(KERN_DEBUG "DiB7000P: "); printk(args); printk("\n"); } } while (0)
+#define dprintk(fmt, arg...) do {					\
+	if (debug)							\
+		printk(KERN_DEBUG pr_fmt("%s: " fmt),			\
+		       __func__, ##arg);				\
+} while (0)
 
 struct i2c_device {
 	struct i2c_adapter *i2c_adap;
@@ -98,7 +105,7 @@ static u16 dib7000p_read_word(struct dib7000p_state *state, u16 reg)
 	u16 ret;
 
 	if (mutex_lock_interruptible(&state->i2c_buffer_lock) < 0) {
-		dprintk("could not acquire lock");
+		dprintk("could not acquire lock\n");
 		return 0;
 	}
 
@@ -116,7 +123,7 @@ static u16 dib7000p_read_word(struct dib7000p_state *state, u16 reg)
 	state->msg[1].len = 2;
 
 	if (i2c_transfer(state->i2c_adap, state->msg, 2) != 2)
-		dprintk("i2c read error on %d", reg);
+		dprintk("i2c read error on %d\n", reg);
 
 	ret = (state->i2c_read_buffer[0] << 8) | state->i2c_read_buffer[1];
 	mutex_unlock(&state->i2c_buffer_lock);
@@ -128,7 +135,7 @@ static int dib7000p_write_word(struct dib7000p_state *state, u16 reg, u16 val)
 	int ret;
 
 	if (mutex_lock_interruptible(&state->i2c_buffer_lock) < 0) {
-		dprintk("could not acquire lock");
+		dprintk("could not acquire lock\n");
 		return -EINVAL;
 	}
 
@@ -174,7 +181,7 @@ static int dib7000p_set_output_mode(struct dib7000p_state *state, int mode)
 	fifo_threshold = 1792;
 	smo_mode = (dib7000p_read_word(state, 235) & 0x0050) | (1 << 1);
 
-	dprintk("setting output mode for demod %p to %d", &state->demod, mode);
+	dprintk("setting output mode for demod %p to %d\n", &state->demod, mode);
 
 	switch (mode) {
 	case OUTMODE_MPEG2_PAR_GATED_CLK:
@@ -204,7 +211,7 @@ static int dib7000p_set_output_mode(struct dib7000p_state *state, int mode)
 		outreg = 0;
 		break;
 	default:
-		dprintk("Unhandled output_mode passed to be set for demod %p", &state->demod);
+		dprintk("Unhandled output_mode passed to be set for demod %p\n", &state->demod);
 		break;
 	}
 
@@ -224,7 +231,7 @@ static int dib7000p_set_diversity_in(struct dvb_frontend *demod, int onoff)
 	struct dib7000p_state *state = demod->demodulator_priv;
 
 	if (state->div_force_off) {
-		dprintk("diversity combination deactivated - forced by COFDM parameters");
+		dprintk("diversity combination deactivated - forced by COFDM parameters\n");
 		onoff = 0;
 		dib7000p_write_word(state, 207, 0);
 	} else
@@ -374,10 +381,10 @@ static int dib7000p_set_bandwidth(struct dib7000p_state *state, u32 bw)
 	state->current_bandwidth = bw;
 
 	if (state->timf == 0) {
-		dprintk("using default timf");
+		dprintk("using default timf\n");
 		timf = state->cfg.bw->timf;
 	} else {
-		dprintk("using updated timf");
+		dprintk("using updated timf\n");
 		timf = state->timf;
 	}
 
@@ -494,7 +501,7 @@ static int dib7000p_update_pll(struct dvb_frontend *fe, struct dibx000_bandwidth
 	loopdiv = (reg_1856 >> 6) & 0x3f;
 
 	if ((bw != NULL) && (bw->pll_prediv != prediv || bw->pll_ratio != loopdiv)) {
-		dprintk("Updating pll (prediv: old =  %d new = %d ; loopdiv : old = %d new = %d)", prediv, bw->pll_prediv, loopdiv, bw->pll_ratio);
+		dprintk("Updating pll (prediv: old =  %d new = %d ; loopdiv : old = %d new = %d)\n", prediv, bw->pll_prediv, loopdiv, bw->pll_ratio);
 		reg_1856 &= 0xf000;
 		reg_1857 = dib7000p_read_word(state, 1857);
 		dib7000p_write_word(state, 1857, reg_1857 & ~(1 << 15));
@@ -511,7 +518,7 @@ static int dib7000p_update_pll(struct dvb_frontend *fe, struct dibx000_bandwidth
 		dib7000p_write_word(state, 1857, reg_1857 | (1 << 15));
 
 		while (((dib7000p_read_word(state, 1856) >> 15) & 0x1) != 1)
-			dprintk("Waiting for PLL to lock");
+			dprintk("Waiting for PLL to lock\n");
 
 		return 0;
 	}
@@ -521,7 +528,7 @@ static int dib7000p_update_pll(struct dvb_frontend *fe, struct dibx000_bandwidth
 static int dib7000p_reset_gpio(struct dib7000p_state *st)
 {
 	/* reset the GPIOs */
-	dprintk("gpio dir: %x: val: %x, pwm_pos: %x", st->gpio_dir, st->gpio_val, st->cfg.gpio_pwm_pos);
+	dprintk("gpio dir: %x: val: %x, pwm_pos: %x\n", st->gpio_dir, st->gpio_val, st->cfg.gpio_pwm_pos);
 
 	dib7000p_write_word(st, 1029, st->gpio_dir);
 	dib7000p_write_word(st, 1030, st->gpio_val);
@@ -669,7 +676,7 @@ static int dib7000p_demod_reset(struct dib7000p_state *state)
 	dib7000p_reset_pll(state);
 
 	if (dib7000p_reset_gpio(state) != 0)
-		dprintk("GPIO reset was not successful.");
+		dprintk("GPIO reset was not successful.\n");
 
 	if (state->version == SOC7090) {
 		dib7000p_write_word(state, 899, 0);
@@ -681,7 +688,7 @@ static int dib7000p_demod_reset(struct dib7000p_state *state)
 		dib7000p_write_word(state, 273, (0<<6) | 30);
 	}
 	if (dib7000p_set_output_mode(state, OUTMODE_HIGH_Z) != 0)
-		dprintk("OUTPUT_MODE could not be reset.");
+		dprintk("OUTPUT_MODE could not be reset.\n");
 
 	dib7000p_set_adc_state(state, DIBX000_SLOW_ADC_ON);
 	dib7000p_sad_calib(state);
@@ -759,7 +766,7 @@ static int dib7000p_set_agc_config(struct dib7000p_state *state, u8 band)
 		}
 
 	if (agc == NULL) {
-		dprintk("no valid AGC configuration found for band 0x%02x", band);
+		dprintk("no valid AGC configuration found for band 0x%02x\n", band);
 		return -EINVAL;
 	}
 
@@ -776,7 +783,7 @@ static int dib7000p_set_agc_config(struct dib7000p_state *state, u8 band)
 	dib7000p_write_word(state, 102, (agc->beta_mant << 6) | agc->beta_exp);
 
 	/* AGC continued */
-	dprintk("WBD: ref: %d, sel: %d, active: %d, alpha: %d",
+	dprintk("WBD: ref: %d, sel: %d, active: %d, alpha: %d\n",
 		state->wbd_ref != 0 ? state->wbd_ref : agc->wbd_ref, agc->wbd_sel, !agc->perform_agc_softsplit, agc->wbd_sel);
 
 	if (state->wbd_ref != 0)
@@ -806,7 +813,7 @@ static void dib7000p_set_dds(struct dib7000p_state *state, s32 offset_khz)
 	u32 dds = state->cfg.bw->ifreq & 0x1ffffff;
 	u8 invert = !!(state->cfg.bw->ifreq & (1 << 25));
 
-	dprintk("setting a frequency offset of %dkHz internal freq = %d invert = %d", offset_khz, internal, invert);
+	dprintk("setting a frequency offset of %dkHz internal freq = %d invert = %d\n", offset_khz, internal, invert);
 
 	if (offset_khz < 0)
 		unit_khz_dds_val *= -1;
@@ -902,7 +909,7 @@ static int dib7000p_agc_startup(struct dvb_frontend *demod)
 
 		dib7000p_restart_agc(state);
 
-		dprintk("SPLIT %p: %hd", demod, agc_split);
+		dprintk("SPLIT %p: %hd\n", demod, agc_split);
 
 		(*agc_state)++;
 		ret = 5;
@@ -934,7 +941,7 @@ static void dib7000p_update_timf(struct dib7000p_state *state)
 	state->timf = timf * 160 / (state->current_bandwidth / 50);
 	dib7000p_write_word(state, 23, (u16) (timf >> 16));
 	dib7000p_write_word(state, 24, (u16) (timf & 0xffff));
-	dprintk("updated timf_frequency: %d (default: %d)", state->timf, state->cfg.bw->timf);
+	dprintk("updated timf_frequency: %d (default: %d)\n", state->timf, state->cfg.bw->timf);
 
 }
 
@@ -1202,7 +1209,7 @@ static void dib7000p_spur_protect(struct dib7000p_state *state, u32 rf_khz, u32
 	int bw_khz = bw;
 	u32 pha;
 
-	dprintk("relative position of the Spur: %dk (RF: %dk, XTAL: %dk)", f_rel, rf_khz, xtal);
+	dprintk("relative position of the Spur: %dk (RF: %dk, XTAL: %dk)\n", f_rel, rf_khz, xtal);
 
 	if (f_rel < -bw_khz / 2 || f_rel > bw_khz / 2)
 		return;
@@ -1252,7 +1259,7 @@ static void dib7000p_spur_protect(struct dib7000p_state *state, u32 rf_khz, u32
 			coef_im[k] = (1 << 24) - 1;
 		coef_im[k] /= (1 << 15);
 
-		dprintk("PALF COEF: %d re: %d im: %d", k, coef_re[k], coef_im[k]);
+		dprintk("PALF COEF: %d re: %d im: %d\n", k, coef_re[k], coef_im[k]);
 
 		dib7000p_write_word(state, 143, (0 << 14) | (k << 10) | (coef_re[k] & 0x3ff));
 		dib7000p_write_word(state, 144, coef_im[k] & 0x3ff);
@@ -1280,7 +1287,7 @@ static int dib7000p_tune(struct dvb_frontend *demod)
 	/* P_ctrl_inh_cor=0, P_ctrl_alpha_cor=4, P_ctrl_inh_isi=0, P_ctrl_alpha_isi=3, P_ctrl_inh_cor4=1, P_ctrl_alpha_cor4=3 */
 	tmp = (0 << 14) | (4 << 10) | (0 << 9) | (3 << 5) | (1 << 4) | (0x3);
 	if (state->sfn_workaround_active) {
-		dprintk("SFN workaround is active");
+		dprintk("SFN workaround is active\n");
 		tmp |= (1 << 9);
 		dib7000p_write_word(state, 166, 0x4000);
 	} else {
@@ -1390,15 +1397,15 @@ static int dib7000p_sleep(struct dvb_frontend *demod)
 static int dib7000p_identify(struct dib7000p_state *st)
 {
 	u16 value;
-	dprintk("checking demod on I2C address: %d (%x)", st->i2c_addr, st->i2c_addr);
+	dprintk("checking demod on I2C address: %d (%x)\n", st->i2c_addr, st->i2c_addr);
 
 	if ((value = dib7000p_read_word(st, 768)) != 0x01b3) {
-		dprintk("wrong Vendor ID (read=0x%x)", value);
+		dprintk("wrong Vendor ID (read=0x%x)\n", value);
 		return -EREMOTEIO;
 	}
 
 	if ((value = dib7000p_read_word(st, 769)) != 0x4000) {
-		dprintk("wrong Device ID (%x)", value);
+		dprintk("wrong Device ID (%x)\n", value);
 		return -EREMOTEIO;
 	}
 
@@ -1536,7 +1543,7 @@ static int dib7000p_set_frontend(struct dvb_frontend *fe)
 			found = dib7000p_autosearch_is_irq(fe);
 		} while (found == 0 && i--);
 
-		dprintk("autosearch returns: %d", found);
+		dprintk("autosearch returns: %d\n", found);
 		if (found == 0 || found == 1)
 			return 0;
 
@@ -1951,7 +1958,7 @@ static int dib7000p_get_stats(struct dvb_frontend *demod, enum fe_status stat)
 		time_us = dib7000p_get_time_us(demod);
 		state->ber_jiffies_stats = jiffies + msecs_to_jiffies((time_us + 500) / 1000);
 
-		dprintk("Next all layers stats available in %u us.", time_us);
+		dprintk("Next all layers stats available in %u us.\n", time_us);
 
 		dib7000p_read_ber(demod, &val);
 		c->post_bit_error.stat[0].scale = FE_SCALE_COUNTER;
@@ -2019,7 +2026,7 @@ static int dib7000pc_detection(struct i2c_adapter *i2c_adap)
 
 	if (i2c_transfer(i2c_adap, msg, 2) == 2)
 		if (rx[0] == 0x01 && rx[1] == 0xb3) {
-			dprintk("-D-  DiB7000PC detected");
+			dprintk("-D-  DiB7000PC detected\n");
 			return 1;
 		}
 
@@ -2027,11 +2034,11 @@ static int dib7000pc_detection(struct i2c_adapter *i2c_adap)
 
 	if (i2c_transfer(i2c_adap, msg, 2) == 2)
 		if (rx[0] == 0x01 && rx[1] == 0xb3) {
-			dprintk("-D-  DiB7000PC detected");
+			dprintk("-D-  DiB7000PC detected\n");
 			return 1;
 		}
 
-	dprintk("-D-  DiB7000PC not detected");
+	dprintk("-D-  DiB7000PC not detected\n");
 
 	kfree(rx);
 rx_memory_error:
@@ -2050,14 +2057,14 @@ static int dib7000p_pid_filter_ctrl(struct dvb_frontend *fe, u8 onoff)
 	struct dib7000p_state *state = fe->demodulator_priv;
 	u16 val = dib7000p_read_word(state, 235) & 0xffef;
 	val |= (onoff & 0x1) << 4;
-	dprintk("PID filter enabled %d", onoff);
+	dprintk("PID filter enabled %d\n", onoff);
 	return dib7000p_write_word(state, 235, val);
 }
 
 static int dib7000p_pid_filter(struct dvb_frontend *fe, u8 id, u16 pid, u8 onoff)
 {
 	struct dib7000p_state *state = fe->demodulator_priv;
-	dprintk("PID filter: index %x, PID %d, OnOff %d", id, pid, onoff);
+	dprintk("PID filter: index %x, PID %d, OnOff %d\n", id, pid, onoff);
 	return dib7000p_write_word(state, 241 + id, onoff ? (1 << 13) | pid : 0);
 }
 
@@ -2100,7 +2107,7 @@ static int dib7000p_i2c_enumeration(struct i2c_adapter *i2c, int no_of_demods, u
 		/* set new i2c address and force divstart */
 		dib7000p_write_word(dpst, 1285, (new_addr << 2) | 0x2);
 
-		dprintk("IC %d initialized (to i2c_address 0x%x)", k, new_addr);
+		dprintk("IC %d initialized (to i2c_address 0x%x)\n", k, new_addr);
 	}
 
 	for (k = 0; k < no_of_demods; k++) {
@@ -2136,21 +2143,21 @@ static s32 dib7000p_get_adc_power(struct dvb_frontend *fe)
 	buf[0] = dib7000p_read_word(state, 0x184);
 	buf[1] = dib7000p_read_word(state, 0x185);
 	pow_i = (buf[0] << 16) | buf[1];
-	dprintk("raw pow_i = %d", pow_i);
+	dprintk("raw pow_i = %d\n", pow_i);
 
 	tmp_val = pow_i;
 	while (tmp_val >>= 1)
 		exp++;
 
 	mant = (pow_i * 1000 / (1 << exp));
-	dprintk(" mant = %d exp = %d", mant / 1000, exp);
+	dprintk(" mant = %d exp = %d\n", mant / 1000, exp);
 
 	ix = (u8) ((mant - 1000) / 100);	/* index of the LUT */
-	dprintk(" ix = %d", ix);
+	dprintk(" ix = %d\n", ix);
 
 	pow_i = (lut_1000ln_mant[ix] + 693 * (exp - 20) - 6908);
 	pow_i = (pow_i << 8) / 1000;
-	dprintk(" pow_i = %d", pow_i);
+	dprintk(" pow_i = %d\n", pow_i);
 
 	return pow_i;
 }
@@ -2185,7 +2192,7 @@ static int w7090p_tuner_write_serpar(struct i2c_adapter *i2c_adap, struct i2c_ms
 		n_overflow = (dib7000p_read_word(state, 1984) >> 1) & 0x1;
 		i--;
 		if (i == 0)
-			dprintk("Tuner ITF: write busy (overflow)");
+			dprintk("Tuner ITF: write busy (overflow)\n");
 	}
 	dib7000p_write_word(state, 1985, (1 << 6) | (serpar_num & 0x3f));
 	dib7000p_write_word(state, 1986, (msg[0].buf[1] << 8) | msg[0].buf[2]);
@@ -2205,7 +2212,7 @@ static int w7090p_tuner_read_serpar(struct i2c_adapter *i2c_adap, struct i2c_msg
 		n_overflow = (dib7000p_read_word(state, 1984) >> 1) & 0x1;
 		i--;
 		if (i == 0)
-			dprintk("TunerITF: read busy (overflow)");
+			dprintk("TunerITF: read busy (overflow)\n");
 	}
 	dib7000p_write_word(state, 1985, (0 << 6) | (serpar_num & 0x3f));
 
@@ -2214,7 +2221,7 @@ static int w7090p_tuner_read_serpar(struct i2c_adapter *i2c_adap, struct i2c_msg
 		n_empty = dib7000p_read_word(state, 1984) & 0x1;
 		i--;
 		if (i == 0)
-			dprintk("TunerITF: read busy (empty)");
+			dprintk("TunerITF: read busy (empty)\n");
 	}
 	read_word = dib7000p_read_word(state, 1987);
 	msg[1].buf[0] = (read_word >> 8) & 0xff;
@@ -2435,7 +2442,7 @@ static u32 dib7090_calcSyncFreq(u32 P_Kin, u32 P_Kout, u32 insertExtSynchro, u32
 
 static int dib7090_cfg_DibTx(struct dib7000p_state *state, u32 P_Kin, u32 P_Kout, u32 insertExtSynchro, u32 synchroMode, u32 syncWord, u32 syncSize)
 {
-	dprintk("Configure DibStream Tx");
+	dprintk("Configure DibStream Tx\n");
 
 	dib7000p_write_word(state, 1615, 1);
 	dib7000p_write_word(state, 1603, P_Kin);
@@ -2455,7 +2462,7 @@ static int dib7090_cfg_DibRx(struct dib7000p_state *state, u32 P_Kin, u32 P_Kout
 {
 	u32 syncFreq;
 
-	dprintk("Configure DibStream Rx");
+	dprintk("Configure DibStream Rx\n");
 	if ((P_Kin != 0) && (P_Kout != 0)) {
 		syncFreq = dib7090_calcSyncFreq(P_Kin, P_Kout, insertExtSynchro, syncSize);
 		dib7000p_write_word(state, 1542, syncFreq);
@@ -2492,7 +2499,7 @@ static void dib7090_enMpegMux(struct dib7000p_state *state, int onoff)
 static void dib7090_configMpegMux(struct dib7000p_state *state,
 		u16 pulseWidth, u16 enSerialMode, u16 enSerialClkDiv2)
 {
-	dprintk("Enable Mpeg mux");
+	dprintk("Enable Mpeg mux\n");
 
 	dib7090_enMpegMux(state, 0);
 
@@ -2513,17 +2520,17 @@ static void dib7090_setDibTxMux(struct dib7000p_state *state, int mode)
 
 	switch (mode) {
 	case MPEG_ON_DIBTX:
-			dprintk("SET MPEG ON DIBSTREAM TX");
+			dprintk("SET MPEG ON DIBSTREAM TX\n");
 			dib7090_cfg_DibTx(state, 8, 5, 0, 0, 0, 0);
 			reg_1288 |= (1<<9);
 			break;
 	case DIV_ON_DIBTX:
-			dprintk("SET DIV_OUT ON DIBSTREAM TX");
+			dprintk("SET DIV_OUT ON DIBSTREAM TX\n");
 			dib7090_cfg_DibTx(state, 5, 5, 0, 0, 0, 0);
 			reg_1288 |= (1<<8);
 			break;
 	case ADC_ON_DIBTX:
-			dprintk("SET ADC_OUT ON DIBSTREAM TX");
+			dprintk("SET ADC_OUT ON DIBSTREAM TX\n");
 			dib7090_cfg_DibTx(state, 20, 5, 10, 0, 0, 0);
 			reg_1288 |= (1<<7);
 			break;
@@ -2539,17 +2546,17 @@ static void dib7090_setHostBusMux(struct dib7000p_state *state, int mode)
 
 	switch (mode) {
 	case DEMOUT_ON_HOSTBUS:
-			dprintk("SET DEM OUT OLD INTERF ON HOST BUS");
+			dprintk("SET DEM OUT OLD INTERF ON HOST BUS\n");
 			dib7090_enMpegMux(state, 0);
 			reg_1288 |= (1<<6);
 			break;
 	case DIBTX_ON_HOSTBUS:
-			dprintk("SET DIBSTREAM TX ON HOST BUS");
+			dprintk("SET DIBSTREAM TX ON HOST BUS\n");
 			dib7090_enMpegMux(state, 0);
 			reg_1288 |= (1<<5);
 			break;
 	case MPEG_ON_HOSTBUS:
-			dprintk("SET MPEG MUX ON HOST BUS");
+			dprintk("SET MPEG MUX ON HOST BUS\n");
 			reg_1288 |= (1<<4);
 			break;
 	default:
@@ -2565,7 +2572,7 @@ static int dib7090_set_diversity_in(struct dvb_frontend *fe, int onoff)
 
 	switch (onoff) {
 	case 0: /* only use the internal way - not the diversity input */
-			dprintk("%s mode OFF : by default Enable Mpeg INPUT", __func__);
+			dprintk("%s mode OFF : by default Enable Mpeg INPUT\n", __func__);
 			dib7090_cfg_DibRx(state, 8, 5, 0, 0, 0, 8, 0);
 
 			/* Do not divide the serial clock of MPEG MUX */
@@ -2581,7 +2588,7 @@ static int dib7090_set_diversity_in(struct dvb_frontend *fe, int onoff)
 			break;
 	case 1: /* both ways */
 	case 2: /* only the diversity input */
-			dprintk("%s ON : Enable diversity INPUT", __func__);
+			dprintk("%s ON : Enable diversity INPUT\n", __func__);
 			dib7090_cfg_DibRx(state, 5, 5, 0, 0, 0, 0, 0);
 			state->input_mode_mpeg = 0;
 			break;
@@ -2612,11 +2619,11 @@ static int dib7090_set_output_mode(struct dvb_frontend *fe, int mode)
 
 	case OUTMODE_MPEG2_SERIAL:
 		if (prefer_mpeg_mux_use) {
-			dprintk("setting output mode TS_SERIAL using Mpeg Mux");
+			dprintk("setting output mode TS_SERIAL using Mpeg Mux\n");
 			dib7090_configMpegMux(state, 3, 1, 1);
 			dib7090_setHostBusMux(state, MPEG_ON_HOSTBUS);
 		} else {/* Use Smooth block */
-			dprintk("setting output mode TS_SERIAL using Smooth bloc");
+			dprintk("setting output mode TS_SERIAL using Smooth bloc\n");
 			dib7090_setHostBusMux(state, DEMOUT_ON_HOSTBUS);
 			outreg |= (2<<6) | (0 << 1);
 		}
@@ -2624,24 +2631,24 @@ static int dib7090_set_output_mode(struct dvb_frontend *fe, int mode)
 
 	case OUTMODE_MPEG2_PAR_GATED_CLK:
 		if (prefer_mpeg_mux_use) {
-			dprintk("setting output mode TS_PARALLEL_GATED using Mpeg Mux");
+			dprintk("setting output mode TS_PARALLEL_GATED using Mpeg Mux\n");
 			dib7090_configMpegMux(state, 2, 0, 0);
 			dib7090_setHostBusMux(state, MPEG_ON_HOSTBUS);
 		} else { /* Use Smooth block */
-			dprintk("setting output mode TS_PARALLEL_GATED using Smooth block");
+			dprintk("setting output mode TS_PARALLEL_GATED using Smooth block\n");
 			dib7090_setHostBusMux(state, DEMOUT_ON_HOSTBUS);
 			outreg |= (0<<6);
 		}
 		break;
 
 	case OUTMODE_MPEG2_PAR_CONT_CLK:	/* Using Smooth block only */
-		dprintk("setting output mode TS_PARALLEL_CONT using Smooth block");
+		dprintk("setting output mode TS_PARALLEL_CONT using Smooth block\n");
 		dib7090_setHostBusMux(state, DEMOUT_ON_HOSTBUS);
 		outreg |= (1<<6);
 		break;
 
 	case OUTMODE_MPEG2_FIFO:	/* Using Smooth block because not supported by new Mpeg Mux bloc */
-		dprintk("setting output mode TS_FIFO using Smooth block");
+		dprintk("setting output mode TS_FIFO using Smooth block\n");
 		dib7090_setHostBusMux(state, DEMOUT_ON_HOSTBUS);
 		outreg |= (5<<6);
 		smo_mode |= (3 << 1);
@@ -2649,13 +2656,13 @@ static int dib7090_set_output_mode(struct dvb_frontend *fe, int mode)
 		break;
 
 	case OUTMODE_DIVERSITY:
-		dprintk("setting output mode MODE_DIVERSITY");
+		dprintk("setting output mode MODE_DIVERSITY\n");
 		dib7090_setDibTxMux(state, DIV_ON_DIBTX);
 		dib7090_setHostBusMux(state, DIBTX_ON_HOSTBUS);
 		break;
 
 	case OUTMODE_ANALOG_ADC:
-		dprintk("setting output mode MODE_ANALOG_ADC");
+		dprintk("setting output mode MODE_ANALOG_ADC\n");
 		dib7090_setDibTxMux(state, ADC_ON_DIBTX);
 		dib7090_setHostBusMux(state, DIBTX_ON_HOSTBUS);
 		break;
@@ -2678,7 +2685,7 @@ static int dib7090_tuner_sleep(struct dvb_frontend *fe, int onoff)
 	struct dib7000p_state *state = fe->demodulator_priv;
 	u16 en_cur_state;
 
-	dprintk("sleep dib7090: %d", onoff);
+	dprintk("sleep dib7090: %d\n", onoff);
 
 	en_cur_state = dib7000p_read_word(state, 1922);
 
@@ -2714,7 +2721,7 @@ static int dib7090_slave_reset(struct dvb_frontend *fe)
 	return 0;
 }
 
-static struct dvb_frontend_ops dib7000p_ops;
+static const struct dvb_frontend_ops dib7000p_ops;
 static struct dvb_frontend *dib7000p_init(struct i2c_adapter *i2c_adap, u8 i2c_addr, struct dib7000p_config *cfg)
 {
 	struct dvb_frontend *demod;
@@ -2804,7 +2811,7 @@ void *dib7000p_attach(struct dib7000p_ops *ops)
 }
 EXPORT_SYMBOL(dib7000p_attach);
 
-static struct dvb_frontend_ops dib7000p_ops = {
+static const struct dvb_frontend_ops dib7000p_ops = {
 	.delsys = { SYS_DVBT },
 	.info = {
 		 .name = "DiBcom 7000PC",
diff --git a/drivers/media/dvb-frontends/dib8000.c b/drivers/media/dvb-frontends/dib8000.c
index ddf9c44877a2..e501ec964df1 100644
--- a/drivers/media/dvb-frontends/dib8000.c
+++ b/drivers/media/dvb-frontends/dib8000.c
@@ -7,6 +7,9 @@
  *  modify it under the terms of the GNU General Public License as
  *  published by the Free Software Foundation, version 2.
  */
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/kernel.h>
 #include <linux/slab.h>
 #include <linux/i2c.h>
@@ -31,7 +34,11 @@ static int debug;
 module_param(debug, int, 0644);
 MODULE_PARM_DESC(debug, "turn on debugging (default: 0)");
 
-#define dprintk(args...) do { if (debug) { printk(KERN_DEBUG "DiB8000: "); printk(args); printk("\n"); } } while (0)
+#define dprintk(fmt, arg...) do {					\
+	if (debug)							\
+		printk(KERN_DEBUG pr_fmt("%s: " fmt),			\
+		       __func__, ##arg);				\
+} while (0)
 
 struct i2c_device {
 	struct i2c_adapter *adap;
@@ -147,7 +154,7 @@ static u16 dib8000_i2c_read16(struct i2c_device *i2c, u16 reg)
 	};
 
 	if (mutex_lock_interruptible(i2c->i2c_buffer_lock) < 0) {
-		dprintk("could not acquire lock");
+		dprintk("could not acquire lock\n");
 		return 0;
 	}
 
@@ -157,7 +164,7 @@ static u16 dib8000_i2c_read16(struct i2c_device *i2c, u16 reg)
 	msg[1].buf    = i2c->i2c_read_buffer;
 
 	if (i2c_transfer(i2c->adap, msg, 2) != 2)
-		dprintk("i2c read error on %d", reg);
+		dprintk("i2c read error on %d\n", reg);
 
 	ret = (msg[1].buf[0] << 8) | msg[1].buf[1];
 	mutex_unlock(i2c->i2c_buffer_lock);
@@ -182,7 +189,7 @@ static u16 __dib8000_read_word(struct dib8000_state *state, u16 reg)
 	state->msg[1].len = 2;
 
 	if (i2c_transfer(state->i2c.adap, state->msg, 2) != 2)
-		dprintk("i2c read error on %d", reg);
+		dprintk("i2c read error on %d\n", reg);
 
 	ret = (state->i2c_read_buffer[0] << 8) | state->i2c_read_buffer[1];
 
@@ -194,7 +201,7 @@ static u16 dib8000_read_word(struct dib8000_state *state, u16 reg)
 	u16 ret;
 
 	if (mutex_lock_interruptible(&state->i2c_buffer_lock) < 0) {
-		dprintk("could not acquire lock");
+		dprintk("could not acquire lock\n");
 		return 0;
 	}
 
@@ -210,7 +217,7 @@ static u32 dib8000_read32(struct dib8000_state *state, u16 reg)
 	u16 rw[2];
 
 	if (mutex_lock_interruptible(&state->i2c_buffer_lock) < 0) {
-		dprintk("could not acquire lock");
+		dprintk("could not acquire lock\n");
 		return 0;
 	}
 
@@ -228,7 +235,7 @@ static int dib8000_i2c_write16(struct i2c_device *i2c, u16 reg, u16 val)
 	int ret = 0;
 
 	if (mutex_lock_interruptible(i2c->i2c_buffer_lock) < 0) {
-		dprintk("could not acquire lock");
+		dprintk("could not acquire lock\n");
 		return -EINVAL;
 	}
 
@@ -249,7 +256,7 @@ static int dib8000_write_word(struct dib8000_state *state, u16 reg, u16 val)
 	int ret;
 
 	if (mutex_lock_interruptible(&state->i2c_buffer_lock) < 0) {
-		dprintk("could not acquire lock");
+		dprintk("could not acquire lock\n");
 		return -EINVAL;
 	}
 
@@ -395,7 +402,7 @@ static void dib8000_set_acquisition_mode(struct dib8000_state *state)
 {
 	u16 nud = dib8000_read_word(state, 298);
 	nud |= (1 << 3) | (1 << 0);
-	dprintk("acquisition mode activated");
+	dprintk("acquisition mode activated\n");
 	dib8000_write_word(state, 298, nud);
 }
 static int dib8000_set_output_mode(struct dvb_frontend *fe, int mode)
@@ -408,7 +415,7 @@ static int dib8000_set_output_mode(struct dvb_frontend *fe, int mode)
 	fifo_threshold = 1792;
 	smo_mode = (dib8000_read_word(state, 299) & 0x0050) | (1 << 1);
 
-	dprintk("-I-	Setting output mode for demod %p to %d",
+	dprintk("-I-	Setting output mode for demod %p to %d\n",
 			&state->fe[0], mode);
 
 	switch (mode) {
@@ -443,7 +450,7 @@ static int dib8000_set_output_mode(struct dvb_frontend *fe, int mode)
 		break;
 
 	default:
-		dprintk("Unhandled output_mode passed to be set for demod %p",
+		dprintk("Unhandled output_mode passed to be set for demod %p\n",
 				&state->fe[0]);
 		return -EINVAL;
 	}
@@ -464,7 +471,7 @@ static int dib8000_set_diversity_in(struct dvb_frontend *fe, int onoff)
 	struct dib8000_state *state = fe->demodulator_priv;
 	u16 tmp, sync_wait = dib8000_read_word(state, 273) & 0xfff0;
 
-	dprintk("set diversity input to %i", onoff);
+	dprintk("set diversity input to %i\n", onoff);
 	if (!state->differential_constellation) {
 		dib8000_write_word(state, 272, 1 << 9);	//dvsy_off_lmod4 = 1
 		dib8000_write_word(state, 273, sync_wait | (1 << 2) | 2);	// sync_enable = 1; comb_mode = 2
@@ -531,7 +538,7 @@ static void dib8000_set_power_mode(struct dib8000_state *state, enum dib8000_pow
 		break;
 	}
 
-	dprintk("powermode : 774 : %x ; 775 : %x; 776 : %x ; 900 : %x; 1280 : %x", reg_774, reg_775, reg_776, reg_900, reg_1280);
+	dprintk("powermode : 774 : %x ; 775 : %x; 776 : %x ; 900 : %x; 1280 : %x\n", reg_774, reg_775, reg_776, reg_900, reg_1280);
 	dib8000_write_word(state, 774, reg_774);
 	dib8000_write_word(state, 775, reg_775);
 	dib8000_write_word(state, 776, reg_776);
@@ -619,10 +626,10 @@ static int dib8000_set_bandwidth(struct dvb_frontend *fe, u32 bw)
 		bw = 6000;
 
 	if (state->timf == 0) {
-		dprintk("using default timf");
+		dprintk("using default timf\n");
 		timf = state->timf_default;
 	} else {
-		dprintk("using updated timf");
+		dprintk("using updated timf\n");
 		timf = state->timf;
 	}
 
@@ -667,7 +674,7 @@ static int dib8000_set_wbd_ref(struct dvb_frontend *fe, u16 value)
 
 static void dib8000_reset_pll_common(struct dib8000_state *state, const struct dibx000_bandwidth_config *bw)
 {
-	dprintk("ifreq: %d %x, inversion: %d", bw->ifreq, bw->ifreq, bw->ifreq >> 25);
+	dprintk("ifreq: %d %x, inversion: %d\n", bw->ifreq, bw->ifreq, bw->ifreq >> 25);
 	if (state->revision != 0x8090) {
 		dib8000_write_word(state, 23,
 				(u16) (((bw->internal * 1000) >> 16) & 0xffff));
@@ -704,7 +711,7 @@ static void dib8000_reset_pll(struct dib8000_state *state)
 		clk_cfg1 = (clk_cfg1 & 0xfff7) | (pll->pll_bypass << 3);
 		dib8000_write_word(state, 902, clk_cfg1);
 
-		dprintk("clk_cfg1: 0x%04x", clk_cfg1);
+		dprintk("clk_cfg1: 0x%04x\n", clk_cfg1);
 
 		/* smpl_cfg: P_refclksel=2, P_ensmplsel=1 nodivsmpl=1 */
 		if (state->cfg.pll->ADClkSrc == 0)
@@ -754,7 +761,7 @@ static int dib8000_update_pll(struct dvb_frontend *fe,
 				pll->pll_ratio == loopdiv))
 		return -EINVAL;
 
-	dprintk("Updating pll (prediv: old =  %d new = %d ; loopdiv : old = %d new = %d)", prediv, pll->pll_prediv, loopdiv, pll->pll_ratio);
+	dprintk("Updating pll (prediv: old =  %d new = %d ; loopdiv : old = %d new = %d)\n", prediv, pll->pll_prediv, loopdiv, pll->pll_ratio);
 	if (state->revision == 0x8090) {
 		reg_1856 &= 0xf000;
 		reg_1857 = dib8000_read_word(state, 1857);
@@ -767,11 +774,11 @@ static int dib8000_update_pll(struct dvb_frontend *fe,
 
 		/* write new system clk into P_sec_len */
 		internal = dib8000_read32(state, 23) / 1000;
-		dprintk("Old Internal = %d", internal);
+		dprintk("Old Internal = %d\n", internal);
 		xtal = 2 * (internal / loopdiv) * prediv;
 		internal = 1000 * (xtal/pll->pll_prediv) * pll->pll_ratio;
-		dprintk("Xtal = %d , New Fmem = %d New Fdemod = %d, New Fsampling = %d", xtal, internal/1000, internal/2000, internal/8000);
-		dprintk("New Internal = %d", internal);
+		dprintk("Xtal = %d , New Fmem = %d New Fdemod = %d, New Fsampling = %d\n", xtal, internal/1000, internal/2000, internal/8000);
+		dprintk("New Internal = %d\n", internal);
 
 		dib8000_write_word(state, 23,
 				(u16) (((internal / 2) >> 16) & 0xffff));
@@ -780,22 +787,22 @@ static int dib8000_update_pll(struct dvb_frontend *fe,
 		dib8000_write_word(state, 1857, reg_1857 | (1 << 15));
 
 		while (((dib8000_read_word(state, 1856)>>15)&0x1) != 1)
-			dprintk("Waiting for PLL to lock");
+			dprintk("Waiting for PLL to lock\n");
 
 		/* verify */
 		reg_1856 = dib8000_read_word(state, 1856);
-		dprintk("PLL Updated with prediv = %d and loopdiv = %d",
+		dprintk("PLL Updated with prediv = %d and loopdiv = %d\n",
 				reg_1856&0x3f, (reg_1856>>6)&0x3f);
 	} else {
 		if (bw != state->current_demod_bw) {
 			/** Bandwidth change => force PLL update **/
-			dprintk("PLL: Bandwidth Change %d MHz -> %d MHz (prediv: %d->%d)", state->current_demod_bw / 1000, bw / 1000, oldprediv, state->cfg.pll->pll_prediv);
+			dprintk("PLL: Bandwidth Change %d MHz -> %d MHz (prediv: %d->%d)\n", state->current_demod_bw / 1000, bw / 1000, oldprediv, state->cfg.pll->pll_prediv);
 
 			if (state->cfg.pll->pll_prediv != oldprediv) {
 				/** Full PLL change only if prediv is changed **/
 
 				/** full update => bypass and reconfigure **/
-				dprintk("PLL: New Setting for %d MHz Bandwidth (prediv: %d, ratio: %d)", bw/1000, state->cfg.pll->pll_prediv, state->cfg.pll->pll_ratio);
+				dprintk("PLL: New Setting for %d MHz Bandwidth (prediv: %d, ratio: %d)\n", bw/1000, state->cfg.pll->pll_prediv, state->cfg.pll->pll_ratio);
 				dib8000_write_word(state, 902, dib8000_read_word(state, 902) | (1<<3)); /* bypass PLL */
 				dib8000_reset_pll(state);
 				dib8000_write_word(state, 898, 0x0004); /* sad */
@@ -807,7 +814,7 @@ static int dib8000_update_pll(struct dvb_frontend *fe,
 
 		if (ratio != 0) {
 			/** ratio update => only change ratio **/
-			dprintk("PLL: Update ratio (prediv: %d, ratio: %d)", state->cfg.pll->pll_prediv, ratio);
+			dprintk("PLL: Update ratio (prediv: %d, ratio: %d)\n", state->cfg.pll->pll_prediv, ratio);
 			dib8000_write_word(state, 901, (state->cfg.pll->pll_prediv << 8) | (ratio << 0)); /* only the PLL ratio is updated. */
 		}
 	}
@@ -841,7 +848,7 @@ static int dib8000_cfg_gpio(struct dib8000_state *st, u8 num, u8 dir, u8 val)
 	st->cfg.gpio_val |= (val & 0x01) << num;	/* set the new value */
 	dib8000_write_word(st, 1030, st->cfg.gpio_val);
 
-	dprintk("gpio dir: %x: gpio val: %x", st->cfg.gpio_dir, st->cfg.gpio_val);
+	dprintk("gpio dir: %x: gpio val: %x\n", st->cfg.gpio_dir, st->cfg.gpio_val);
 
 	return 0;
 }
@@ -958,29 +965,29 @@ static u16 dib8000_identify(struct i2c_device *client)
 	value = dib8000_i2c_read16(client, 896);
 
 	if ((value = dib8000_i2c_read16(client, 896)) != 0x01b3) {
-		dprintk("wrong Vendor ID (read=0x%x)", value);
+		dprintk("wrong Vendor ID (read=0x%x)\n", value);
 		return 0;
 	}
 
 	value = dib8000_i2c_read16(client, 897);
 	if (value != 0x8000 && value != 0x8001 &&
 			value != 0x8002 && value != 0x8090) {
-		dprintk("wrong Device ID (%x)", value);
+		dprintk("wrong Device ID (%x)\n", value);
 		return 0;
 	}
 
 	switch (value) {
 	case 0x8000:
-		dprintk("found DiB8000A");
+		dprintk("found DiB8000A\n");
 		break;
 	case 0x8001:
-		dprintk("found DiB8000B");
+		dprintk("found DiB8000B\n");
 		break;
 	case 0x8002:
-		dprintk("found DiB8000C");
+		dprintk("found DiB8000C\n");
 		break;
 	case 0x8090:
-		dprintk("found DiB8096P");
+		dprintk("found DiB8096P\n");
 		break;
 	}
 	return value;
@@ -1037,7 +1044,7 @@ static int dib8000_reset(struct dvb_frontend *fe)
 		dib8000_write_word(state, 1287, 0x0003);
 
 	if (state->revision == 0x8000)
-		dprintk("error : dib8000 MA not supported");
+		dprintk("error : dib8000 MA not supported\n");
 
 	dibx000_reset_i2c_master(&state->i2c_master);
 
@@ -1069,7 +1076,7 @@ static int dib8000_reset(struct dvb_frontend *fe)
 		if (state->cfg.drives)
 			dib8000_write_word(state, 906, state->cfg.drives);
 		else {
-			dprintk("using standard PAD-drive-settings, please adjust settings in config-struct to be optimal.");
+			dprintk("using standard PAD-drive-settings, please adjust settings in config-struct to be optimal.\n");
 			/* min drive SDRAM - not optimal - adjust */
 			dib8000_write_word(state, 906, 0x2d98);
 		}
@@ -1080,11 +1087,11 @@ static int dib8000_reset(struct dvb_frontend *fe)
 		dib8000_write_word(state, 898, 0x0004);
 
 	if (dib8000_reset_gpio(state) != 0)
-		dprintk("GPIO reset was not successful.");
+		dprintk("GPIO reset was not successful.\n");
 
 	if ((state->revision != 0x8090) &&
 			(dib8000_set_output_mode(fe, OUTMODE_HIGH_Z) != 0))
-		dprintk("OUTPUT_MODE could not be resetted.");
+		dprintk("OUTPUT_MODE could not be resetted.\n");
 
 	state->current_agc = NULL;
 
@@ -1176,7 +1183,7 @@ static int dib8000_set_agc_config(struct dib8000_state *state, u8 band)
 		}
 
 	if (agc == NULL) {
-		dprintk("no valid AGC configuration found for band 0x%02x", band);
+		dprintk("no valid AGC configuration found for band 0x%02x\n", band);
 		return -EINVAL;
 	}
 
@@ -1192,7 +1199,7 @@ static int dib8000_set_agc_config(struct dib8000_state *state, u8 band)
 	dib8000_write_word(state, 102, (agc->alpha_mant << 5) | agc->alpha_exp);
 	dib8000_write_word(state, 103, (agc->beta_mant << 6) | agc->beta_exp);
 
-	dprintk("WBD: ref: %d, sel: %d, active: %d, alpha: %d",
+	dprintk("WBD: ref: %d, sel: %d, active: %d, alpha: %d\n",
 		state->wbd_ref != 0 ? state->wbd_ref : agc->wbd_ref, agc->wbd_sel, !agc->perform_agc_softsplit, agc->wbd_sel);
 
 	/* AGC continued */
@@ -1251,7 +1258,7 @@ static int dib8000_agc_soft_split(struct dib8000_state *state)
 			(agc - state->current_agc->split.min_thres) /
 			(state->current_agc->split.max_thres - state->current_agc->split.min_thres);
 
-	dprintk("AGC split_offset: %d", split_offset);
+	dprintk("AGC split_offset: %d\n", split_offset);
 
 	// P_agc_force_split and P_agc_split_offset
 	dib8000_write_word(state, 107, (dib8000_read_word(state, 107) & 0xff00) | split_offset);
@@ -1395,7 +1402,7 @@ static void dib8096p_cfg_DibTx(struct dib8000_state *state, u32 P_Kin,
 		u32 P_Kout, u32 insertExtSynchro, u32 synchroMode,
 		u32 syncWord, u32 syncSize)
 {
-	dprintk("Configure DibStream Tx");
+	dprintk("Configure DibStream Tx\n");
 
 	dib8000_write_word(state, 1615, 1);
 	dib8000_write_word(state, 1603, P_Kin);
@@ -1414,7 +1421,7 @@ static void dib8096p_cfg_DibRx(struct dib8000_state *state, u32 P_Kin,
 {
 	u32 syncFreq;
 
-	dprintk("Configure DibStream Rx synchroMode = %d", synchroMode);
+	dprintk("Configure DibStream Rx synchroMode = %d\n", synchroMode);
 
 	if ((P_Kin != 0) && (P_Kout != 0)) {
 		syncFreq = dib8096p_calcSyncFreq(P_Kin, P_Kout,
@@ -1456,7 +1463,7 @@ static void dib8096p_configMpegMux(struct dib8000_state *state,
 {
 	u16 reg_1287;
 
-	dprintk("Enable Mpeg mux");
+	dprintk("Enable Mpeg mux\n");
 
 	dib8096p_enMpegMux(state, 0);
 
@@ -1477,15 +1484,15 @@ static void dib8096p_setDibTxMux(struct dib8000_state *state, int mode)
 
 	switch (mode) {
 	case MPEG_ON_DIBTX:
-			dprintk("SET MPEG ON DIBSTREAM TX");
+			dprintk("SET MPEG ON DIBSTREAM TX\n");
 			dib8096p_cfg_DibTx(state, 8, 5, 0, 0, 0, 0);
 			reg_1288 |= (1 << 9); break;
 	case DIV_ON_DIBTX:
-			dprintk("SET DIV_OUT ON DIBSTREAM TX");
+			dprintk("SET DIV_OUT ON DIBSTREAM TX\n");
 			dib8096p_cfg_DibTx(state, 5, 5, 0, 0, 0, 0);
 			reg_1288 |= (1 << 8); break;
 	case ADC_ON_DIBTX:
-			dprintk("SET ADC_OUT ON DIBSTREAM TX");
+			dprintk("SET ADC_OUT ON DIBSTREAM TX\n");
 			dib8096p_cfg_DibTx(state, 20, 5, 10, 0, 0, 0);
 			reg_1288 |= (1 << 7); break;
 	default:
@@ -1500,17 +1507,17 @@ static void dib8096p_setHostBusMux(struct dib8000_state *state, int mode)
 
 	switch (mode) {
 	case DEMOUT_ON_HOSTBUS:
-			dprintk("SET DEM OUT OLD INTERF ON HOST BUS");
+			dprintk("SET DEM OUT OLD INTERF ON HOST BUS\n");
 			dib8096p_enMpegMux(state, 0);
 			reg_1288 |= (1 << 6);
 			break;
 	case DIBTX_ON_HOSTBUS:
-			dprintk("SET DIBSTREAM TX ON HOST BUS");
+			dprintk("SET DIBSTREAM TX ON HOST BUS\n");
 			dib8096p_enMpegMux(state, 0);
 			reg_1288 |= (1 << 5);
 			break;
 	case MPEG_ON_HOSTBUS:
-			dprintk("SET MPEG MUX ON HOST BUS");
+			dprintk("SET MPEG MUX ON HOST BUS\n");
 			reg_1288 |= (1 << 4);
 			break;
 	default:
@@ -1526,7 +1533,7 @@ static int dib8096p_set_diversity_in(struct dvb_frontend *fe, int onoff)
 
 	switch (onoff) {
 	case 0: /* only use the internal way - not the diversity input */
-			dprintk("%s mode OFF : by default Enable Mpeg INPUT",
+			dprintk("%s mode OFF : by default Enable Mpeg INPUT\n",
 					__func__);
 			/* outputRate = 8 */
 			dib8096p_cfg_DibRx(state, 8, 5, 0, 0, 0, 8, 0);
@@ -1544,7 +1551,7 @@ static int dib8096p_set_diversity_in(struct dvb_frontend *fe, int onoff)
 			break;
 	case 1: /* both ways */
 	case 2: /* only the diversity input */
-			dprintk("%s ON : Enable diversity INPUT", __func__);
+			dprintk("%s ON : Enable diversity INPUT\n", __func__);
 			dib8096p_cfg_DibRx(state, 5, 5, 0, 0, 0, 0, 0);
 			state->input_mode_mpeg = 0;
 			break;
@@ -1576,11 +1583,11 @@ static int dib8096p_set_output_mode(struct dvb_frontend *fe, int mode)
 
 	case OUTMODE_MPEG2_SERIAL:
 			if (prefer_mpeg_mux_use) {
-				dprintk("dib8096P setting output mode TS_SERIAL using Mpeg Mux");
+				dprintk("dib8096P setting output mode TS_SERIAL using Mpeg Mux\n");
 				dib8096p_configMpegMux(state, 3, 1, 1);
 				dib8096p_setHostBusMux(state, MPEG_ON_HOSTBUS);
 			} else {/* Use Smooth block */
-				dprintk("dib8096P setting output mode TS_SERIAL using Smooth bloc");
+				dprintk("dib8096P setting output mode TS_SERIAL using Smooth bloc\n");
 				dib8096p_setHostBusMux(state,
 						DEMOUT_ON_HOSTBUS);
 				outreg |= (2 << 6) | (0 << 1);
@@ -1589,11 +1596,11 @@ static int dib8096p_set_output_mode(struct dvb_frontend *fe, int mode)
 
 	case OUTMODE_MPEG2_PAR_GATED_CLK:
 			if (prefer_mpeg_mux_use) {
-				dprintk("dib8096P setting output mode TS_PARALLEL_GATED using Mpeg Mux");
+				dprintk("dib8096P setting output mode TS_PARALLEL_GATED using Mpeg Mux\n");
 				dib8096p_configMpegMux(state, 2, 0, 0);
 				dib8096p_setHostBusMux(state, MPEG_ON_HOSTBUS);
 			} else { /* Use Smooth block */
-				dprintk("dib8096P setting output mode TS_PARALLEL_GATED using Smooth block");
+				dprintk("dib8096P setting output mode TS_PARALLEL_GATED using Smooth block\n");
 				dib8096p_setHostBusMux(state,
 						DEMOUT_ON_HOSTBUS);
 				outreg |= (0 << 6);
@@ -1601,7 +1608,7 @@ static int dib8096p_set_output_mode(struct dvb_frontend *fe, int mode)
 			break;
 
 	case OUTMODE_MPEG2_PAR_CONT_CLK: /* Using Smooth block only */
-			dprintk("dib8096P setting output mode TS_PARALLEL_CONT using Smooth block");
+			dprintk("dib8096P setting output mode TS_PARALLEL_CONT using Smooth block\n");
 			dib8096p_setHostBusMux(state, DEMOUT_ON_HOSTBUS);
 			outreg |= (1 << 6);
 			break;
@@ -1609,7 +1616,7 @@ static int dib8096p_set_output_mode(struct dvb_frontend *fe, int mode)
 	case OUTMODE_MPEG2_FIFO:
 			/* Using Smooth block because not supported
 			   by new Mpeg Mux bloc */
-			dprintk("dib8096P setting output mode TS_FIFO using Smooth block");
+			dprintk("dib8096P setting output mode TS_FIFO using Smooth block\n");
 			dib8096p_setHostBusMux(state, DEMOUT_ON_HOSTBUS);
 			outreg |= (5 << 6);
 			smo_mode |= (3 << 1);
@@ -1617,13 +1624,13 @@ static int dib8096p_set_output_mode(struct dvb_frontend *fe, int mode)
 			break;
 
 	case OUTMODE_DIVERSITY:
-			dprintk("dib8096P setting output mode MODE_DIVERSITY");
+			dprintk("dib8096P setting output mode MODE_DIVERSITY\n");
 			dib8096p_setDibTxMux(state, DIV_ON_DIBTX);
 			dib8096p_setHostBusMux(state, DIBTX_ON_HOSTBUS);
 			break;
 
 	case OUTMODE_ANALOG_ADC:
-			dprintk("dib8096P setting output mode MODE_ANALOG_ADC");
+			dprintk("dib8096P setting output mode MODE_ANALOG_ADC\n");
 			dib8096p_setDibTxMux(state, ADC_ON_DIBTX);
 			dib8096p_setHostBusMux(state, DIBTX_ON_HOSTBUS);
 			break;
@@ -1632,7 +1639,7 @@ static int dib8096p_set_output_mode(struct dvb_frontend *fe, int mode)
 	if (mode != OUTMODE_HIGH_Z)
 		outreg |= (1<<10);
 
-	dprintk("output_mpeg2_in_188_bytes = %d",
+	dprintk("output_mpeg2_in_188_bytes = %d\n",
 			state->cfg.output_mpeg2_in_188_bytes);
 	if (state->cfg.output_mpeg2_in_188_bytes)
 		smo_mode |= (1 << 5);
@@ -1678,7 +1685,7 @@ static int dib8096p_tuner_write_serpar(struct i2c_adapter *i2c_adap,
 		n_overflow = (dib8000_read_word(state, 1984) >> 1) & 0x1;
 		i--;
 		if (i == 0)
-			dprintk("Tuner ITF: write busy (overflow)");
+			dprintk("Tuner ITF: write busy (overflow)\n");
 	}
 	dib8000_write_word(state, 1985, (1 << 6) | (serpar_num & 0x3f));
 	dib8000_write_word(state, 1986, (msg[0].buf[1] << 8) | msg[0].buf[2]);
@@ -1699,7 +1706,7 @@ static int dib8096p_tuner_read_serpar(struct i2c_adapter *i2c_adap,
 		n_overflow = (dib8000_read_word(state, 1984) >> 1) & 0x1;
 		i--;
 		if (i == 0)
-			dprintk("TunerITF: read busy (overflow)");
+			dprintk("TunerITF: read busy (overflow)\n");
 	}
 	dib8000_write_word(state, 1985, (0<<6) | (serpar_num&0x3f));
 
@@ -1708,7 +1715,7 @@ static int dib8096p_tuner_read_serpar(struct i2c_adapter *i2c_adap,
 		n_empty = dib8000_read_word(state, 1984)&0x1;
 		i--;
 		if (i == 0)
-			dprintk("TunerITF: read busy (empty)");
+			dprintk("TunerITF: read busy (empty)\n");
 	}
 
 	read_word = dib8000_read_word(state, 1987);
@@ -1889,7 +1896,7 @@ static int dib8096p_tuner_sleep(struct dvb_frontend *fe, int onoff)
 	struct dib8000_state *state = fe->demodulator_priv;
 	u16 en_cur_state;
 
-	dprintk("sleep dib8096p: %d", onoff);
+	dprintk("sleep dib8096p: %d\n", onoff);
 
 	en_cur_state = dib8000_read_word(state, 1922);
 
@@ -1958,7 +1965,7 @@ static void dib8000_update_timf(struct dib8000_state *state)
 
 	dib8000_write_word(state, 29, (u16) (timf >> 16));
 	dib8000_write_word(state, 30, (u16) (timf & 0xffff));
-	dprintk("Updated timing frequency: %d (default: %d)", state->timf, state->timf_default);
+	dprintk("Updated timing frequency: %d (default: %d)\n", state->timf, state->timf_default);
 }
 
 static u32 dib8000_ctrl_timf(struct dvb_frontend *fe, uint8_t op, uint32_t timf)
@@ -2118,7 +2125,7 @@ static u16 dib8000_get_init_prbs(struct dib8000_state *state, u16 subchannel)
 	int sub_channel_prbs_group = 0;
 
 	sub_channel_prbs_group = (subchannel / 3) + 1;
-	dprintk("sub_channel_prbs_group = %d , subchannel =%d prbs = 0x%04x", sub_channel_prbs_group, subchannel, lut_prbs_8k[sub_channel_prbs_group]);
+	dprintk("sub_channel_prbs_group = %d , subchannel =%d prbs = 0x%04x\n", sub_channel_prbs_group, subchannel, lut_prbs_8k[sub_channel_prbs_group]);
 
 	switch (state->fe[0]->dtv_property_cache.transmission_mode) {
 	case TRANSMISSION_MODE_2K:
@@ -2604,7 +2611,7 @@ static int dib8000_autosearch_start(struct dvb_frontend *fe)
 					slist = 0;
 			}
 		}
-		dprintk("Using list for autosearch : %d", slist);
+		dprintk("Using list for autosearch : %d\n", slist);
 
 		dib8000_set_isdbt_common_channel(state, slist, 1);
 
@@ -2638,17 +2645,17 @@ static int dib8000_autosearch_irq(struct dvb_frontend *fe)
 	if ((state->revision >= 0x8002) &&
 	    (state->autosearch_state == AS_SEARCHING_FFT)) {
 		if (irq_pending & 0x1) {
-			dprintk("dib8000_autosearch_irq: max correlation result available");
+			dprintk("dib8000_autosearch_irq: max correlation result available\n");
 			return 3;
 		}
 	} else {
 		if (irq_pending & 0x1) {	/* failed */
-			dprintk("dib8000_autosearch_irq failed");
+			dprintk("dib8000_autosearch_irq failed\n");
 			return 1;
 		}
 
 		if (irq_pending & 0x2) {	/* succeeded */
-			dprintk("dib8000_autosearch_irq succeeded");
+			dprintk("dib8000_autosearch_irq succeeded\n");
 			return 2;
 		}
 	}
@@ -2699,7 +2706,7 @@ static void dib8000_set_dds(struct dib8000_state *state, s32 offset_khz)
 			dds += abs_offset_khz * unit_khz_dds_val;
 	}
 
-	dprintk("setting a DDS frequency offset of %c%dkHz", invert ? '-' : ' ', dds / unit_khz_dds_val);
+	dprintk("setting a DDS frequency offset of %c%dkHz\n", invert ? '-' : ' ', dds / unit_khz_dds_val);
 
 	if (abs_offset_khz <= (state->cfg.pll->internal / ratio)) {
 		/* Max dds offset is the half of the demod freq */
@@ -2738,7 +2745,7 @@ static void dib8000_set_frequency_offset(struct dib8000_state *state)
 		}
 	}
 
-	dprintk("%dkhz tuner offset (frequency = %dHz & current_rf = %dHz) total_dds_offset_hz = %d", c->frequency - current_rf, c->frequency, current_rf, total_dds_offset_khz);
+	dprintk("%dkhz tuner offset (frequency = %dHz & current_rf = %dHz) total_dds_offset_hz = %d\n", c->frequency - current_rf, c->frequency, current_rf, total_dds_offset_khz);
 
 	/* apply dds offset now */
 	dib8000_set_dds(state, total_dds_offset_khz);
@@ -2890,7 +2897,7 @@ static u16 dib8000_read_lock(struct dvb_frontend *fe)
 static int dib8090p_init_sdram(struct dib8000_state *state)
 {
 	u16 reg = 0;
-	dprintk("init sdram");
+	dprintk("init sdram\n");
 
 	reg = dib8000_read_word(state, 274) & 0xfff0;
 	dib8000_write_word(state, 274, reg | 0x7); /* P_dintlv_delay_ram = 7 because of MobileSdram */
@@ -2931,7 +2938,7 @@ static int is_manual_mode(struct dtv_frontend_properties *c)
 	 * Transmission mode is only detected on auto mode, currently
 	 */
 	if (c->transmission_mode == TRANSMISSION_MODE_AUTO) {
-		dprintk("transmission mode auto");
+		dprintk("transmission mode auto\n");
 		return 0;
 	}
 
@@ -2939,7 +2946,7 @@ static int is_manual_mode(struct dtv_frontend_properties *c)
 	 * Guard interval is only detected on auto mode, currently
 	 */
 	if (c->guard_interval == GUARD_INTERVAL_AUTO) {
-		dprintk("guard interval auto");
+		dprintk("guard interval auto\n");
 		return 0;
 	}
 
@@ -2948,7 +2955,7 @@ static int is_manual_mode(struct dtv_frontend_properties *c)
 	 * layer should be enabled
 	 */
 	if (!c->isdbt_layer_enabled) {
-		dprintk("no layer modulation specified");
+		dprintk("no layer modulation specified\n");
 		return 0;
 	}
 
@@ -2970,7 +2977,7 @@ static int is_manual_mode(struct dtv_frontend_properties *c)
 
 		if ((c->layer[i].modulation == QAM_AUTO) ||
 		    (c->layer[i].fec == FEC_AUTO)) {
-			dprintk("layer %c has either modulation or FEC auto",
+			dprintk("layer %c has either modulation or FEC auto\n",
 				'A' + i);
 			return 0;
 		}
@@ -2981,7 +2988,7 @@ static int is_manual_mode(struct dtv_frontend_properties *c)
 	 *	fallback to auto mode.
 	 */
 	if (n_segs == 0 || n_segs > 13) {
-		dprintk("number of segments is invalid");
+		dprintk("number of segments is invalid\n");
 		return 0;
 	}
 
@@ -3009,7 +3016,7 @@ static int dib8000_tune(struct dvb_frontend *fe)
 
 #if 0
 	if (*tune_state < CT_DEMOD_STOP)
-		dprintk("IN: context status = %d, TUNE_STATE %d autosearch step = %u jiffies = %lu",
+		dprintk("IN: context status = %d, TUNE_STATE %d autosearch step = %u jiffies = %lu\n",
 			state->channel_parameters_set, *tune_state, state->autosearch_state, now);
 #endif
 
@@ -3022,7 +3029,7 @@ static int dib8000_tune(struct dvb_frontend *fe)
 		state->status = FE_STATUS_TUNE_PENDING;
 		state->channel_parameters_set = is_manual_mode(c);
 
-		dprintk("Tuning channel on %s search mode",
+		dprintk("Tuning channel on %s search mode\n",
 			state->channel_parameters_set ? "manual" : "auto");
 
 		dib8000_viterbi_state(state, 0); /* force chan dec in restart */
@@ -3102,7 +3109,7 @@ static int dib8000_tune(struct dvb_frontend *fe)
 				corm[1] = (dib8000_read_word(state, 596) << 16) | (dib8000_read_word(state, 597));
 				corm[0] = (dib8000_read_word(state, 598) << 16) | (dib8000_read_word(state, 599));
 			}
-			/* dprintk("corm fft: %u %u %u", corm[0], corm[1], corm[2]); */
+			/* dprintk("corm fft: %u %u %u\n", corm[0], corm[1], corm[2]); */
 
 			max_value = 0;
 			for (find_index = 1 ; find_index < 3 ; find_index++) {
@@ -3122,7 +3129,7 @@ static int dib8000_tune(struct dvb_frontend *fe)
 				state->found_nfft = TRANSMISSION_MODE_8K;
 				break;
 			}
-			/* dprintk("Autosearch FFT has found Mode %d", max_value + 1); */
+			/* dprintk("Autosearch FFT has found Mode %d\n", max_value + 1); */
 
 			*tune_state = CT_DEMOD_SEARCH_NEXT;
 			state->autosearch_state = AS_SEARCHING_GUARD;
@@ -3137,7 +3144,7 @@ static int dib8000_tune(struct dvb_frontend *fe)
 				state->found_guard = dib8000_read_word(state, 572) & 0x3;
 			else
 				state->found_guard = dib8000_read_word(state, 570) & 0x3;
-			/* dprintk("guard interval found=%i", state->found_guard); */
+			/* dprintk("guard interval found=%i\n", state->found_guard); */
 
 			*tune_state = CT_DEMOD_STEP_3;
 			break;
@@ -3233,7 +3240,7 @@ static int dib8000_tune(struct dvb_frontend *fe)
 			/* defines timeout for mpeg lock depending on interleaver length of longest layer */
 			for (i = 0; i < 3; i++) {
 				if (c->layer[i].interleaving >= deeper_interleaver) {
-					dprintk("layer%i: time interleaver = %d ", i, c->layer[i].interleaving);
+					dprintk("layer%i: time interleaver = %d\n", i, c->layer[i].interleaving);
 					if (c->layer[i].segment_count > 0) { /* valid layer */
 						deeper_interleaver = c->layer[0].interleaving;
 						state->longest_intlv_layer = i;
@@ -3252,7 +3259,7 @@ static int dib8000_tune(struct dvb_frontend *fe)
 				locks *= 2;
 
 			*timeout = now + msecs_to_jiffies(200 * locks); /* give the mpeg lock 800ms if sram is present */
-			dprintk("Deeper interleaver mode = %d on layer %d : timeout mult factor = %d => will use timeout = %ld",
+			dprintk("Deeper interleaver mode = %d on layer %d : timeout mult factor = %d => will use timeout = %ld\n",
 				deeper_interleaver, state->longest_intlv_layer, locks, *timeout);
 
 			*tune_state = CT_DEMOD_STEP_10;
@@ -3263,7 +3270,7 @@ static int dib8000_tune(struct dvb_frontend *fe)
 	case CT_DEMOD_STEP_10: /* 40 */
 		locks = dib8000_read_lock(fe);
 		if (locks&(1<<(7-state->longest_intlv_layer))) { /* mpeg lock : check the longest one */
-			dprintk("ISDB-T layer locks: Layer A %s, Layer B %s, Layer C %s",
+			dprintk("ISDB-T layer locks: Layer A %s, Layer B %s, Layer C %s\n",
 				c->layer[0].segment_count ? (locks >> 7) & 0x1 ? "locked" : "NOT LOCKED" : "not enabled",
 				c->layer[1].segment_count ? (locks >> 6) & 0x1 ? "locked" : "NOT LOCKED" : "not enabled",
 				c->layer[2].segment_count ? (locks >> 5) & 0x1 ? "locked" : "NOT LOCKED" : "not enabled");
@@ -3283,7 +3290,7 @@ static int dib8000_tune(struct dvb_frontend *fe)
 				*tune_state = CT_DEMOD_STEP_11;
 			} else { /* we are done mpeg of the longest interleaver xas not locking but let's try if an other layer has locked in the same time */
 				if (locks & (0x7 << 5)) {
-					dprintk("Not all ISDB-T layers locked in %d ms: Layer A %s, Layer B %s, Layer C %s",
+					dprintk("Not all ISDB-T layers locked in %d ms: Layer A %s, Layer B %s, Layer C %s\n",
 						jiffies_to_msecs(now - *timeout),
 						c->layer[0].segment_count ? (locks >> 7) & 0x1 ? "locked" : "NOT LOCKED" : "not enabled",
 						c->layer[1].segment_count ? (locks >> 6) & 0x1 ? "locked" : "NOT LOCKED" : "not enabled",
@@ -3348,7 +3355,7 @@ static int dib8000_wakeup(struct dvb_frontend *fe)
 	dib8000_set_power_mode(state, DIB8000_POWER_ALL);
 	dib8000_set_adc_state(state, DIBX000_ADC_ON);
 	if (dib8000_set_adc_state(state, DIBX000_SLOW_ADC_ON) != 0)
-		dprintk("could not start Slow ADC");
+		dprintk("could not start Slow ADC\n");
 
 	if (state->revision == 0x8090)
 		dib8000_sad_calib(state);
@@ -3401,11 +3408,11 @@ static int dib8000_get_frontend(struct dvb_frontend *fe,
 	if (!(stat & FE_HAS_SYNC))
 		return 0;
 
-	dprintk("dib8000_get_frontend: TMCC lock");
+	dprintk("dib8000_get_frontend: TMCC lock\n");
 	for (index_frontend = 1; (index_frontend < MAX_NUMBER_OF_FRONTENDS) && (state->fe[index_frontend] != NULL); index_frontend++) {
 		state->fe[index_frontend]->ops.read_status(state->fe[index_frontend], &stat);
 		if (stat&FE_HAS_SYNC) {
-			dprintk("TMCC lock on the slave%i", index_frontend);
+			dprintk("TMCC lock on the slave%i\n", index_frontend);
 			/* synchronize the cache with the other frontends */
 			state->fe[index_frontend]->ops.get_frontend(state->fe[index_frontend], c);
 			for (sub_index_frontend = 0; (sub_index_frontend < MAX_NUMBER_OF_FRONTENDS) && (state->fe[sub_index_frontend] != NULL); sub_index_frontend++) {
@@ -3437,41 +3444,41 @@ static int dib8000_get_frontend(struct dvb_frontend *fe,
 	switch ((val & 0x30) >> 4) {
 	case 1:
 		c->transmission_mode = TRANSMISSION_MODE_2K;
-		dprintk("dib8000_get_frontend: transmission mode 2K");
+		dprintk("dib8000_get_frontend: transmission mode 2K\n");
 		break;
 	case 2:
 		c->transmission_mode = TRANSMISSION_MODE_4K;
-		dprintk("dib8000_get_frontend: transmission mode 4K");
+		dprintk("dib8000_get_frontend: transmission mode 4K\n");
 		break;
 	case 3:
 	default:
 		c->transmission_mode = TRANSMISSION_MODE_8K;
-		dprintk("dib8000_get_frontend: transmission mode 8K");
+		dprintk("dib8000_get_frontend: transmission mode 8K\n");
 		break;
 	}
 
 	switch (val & 0x3) {
 	case 0:
 		c->guard_interval = GUARD_INTERVAL_1_32;
-		dprintk("dib8000_get_frontend: Guard Interval = 1/32 ");
+		dprintk("dib8000_get_frontend: Guard Interval = 1/32\n");
 		break;
 	case 1:
 		c->guard_interval = GUARD_INTERVAL_1_16;
-		dprintk("dib8000_get_frontend: Guard Interval = 1/16 ");
+		dprintk("dib8000_get_frontend: Guard Interval = 1/16\n");
 		break;
 	case 2:
-		dprintk("dib8000_get_frontend: Guard Interval = 1/8 ");
+		dprintk("dib8000_get_frontend: Guard Interval = 1/8\n");
 		c->guard_interval = GUARD_INTERVAL_1_8;
 		break;
 	case 3:
-		dprintk("dib8000_get_frontend: Guard Interval = 1/4 ");
+		dprintk("dib8000_get_frontend: Guard Interval = 1/4\n");
 		c->guard_interval = GUARD_INTERVAL_1_4;
 		break;
 	}
 
 	val = dib8000_read_word(state, 505);
 	c->isdbt_partial_reception = val & 1;
-	dprintk("dib8000_get_frontend: partial_reception = %d ", c->isdbt_partial_reception);
+	dprintk("dib8000_get_frontend: partial_reception = %d\n", c->isdbt_partial_reception);
 
 	for (i = 0; i < 3; i++) {
 		int show;
@@ -3485,7 +3492,7 @@ static int dib8000_get_frontend(struct dvb_frontend *fe,
 			show = 1;
 
 		if (show)
-			dprintk("dib8000_get_frontend: Layer %d segments = %d ",
+			dprintk("dib8000_get_frontend: Layer %d segments = %d\n",
 				i, c->layer[i].segment_count);
 
 		val = dib8000_read_word(state, 499 + i) & 0x3;
@@ -3494,7 +3501,7 @@ static int dib8000_get_frontend(struct dvb_frontend *fe,
 			val = 4;
 		c->layer[i].interleaving = val;
 		if (show)
-			dprintk("dib8000_get_frontend: Layer %d time_intlv = %d ",
+			dprintk("dib8000_get_frontend: Layer %d time_intlv = %d\n",
 				i, c->layer[i].interleaving);
 
 		val = dib8000_read_word(state, 481 + i);
@@ -3502,27 +3509,27 @@ static int dib8000_get_frontend(struct dvb_frontend *fe,
 		case 1:
 			c->layer[i].fec = FEC_1_2;
 			if (show)
-				dprintk("dib8000_get_frontend: Layer %d Code Rate = 1/2 ", i);
+				dprintk("dib8000_get_frontend: Layer %d Code Rate = 1/2\n", i);
 			break;
 		case 2:
 			c->layer[i].fec = FEC_2_3;
 			if (show)
-				dprintk("dib8000_get_frontend: Layer %d Code Rate = 2/3 ", i);
+				dprintk("dib8000_get_frontend: Layer %d Code Rate = 2/3\n", i);
 			break;
 		case 3:
 			c->layer[i].fec = FEC_3_4;
 			if (show)
-				dprintk("dib8000_get_frontend: Layer %d Code Rate = 3/4 ", i);
+				dprintk("dib8000_get_frontend: Layer %d Code Rate = 3/4\n", i);
 			break;
 		case 5:
 			c->layer[i].fec = FEC_5_6;
 			if (show)
-				dprintk("dib8000_get_frontend: Layer %d Code Rate = 5/6 ", i);
+				dprintk("dib8000_get_frontend: Layer %d Code Rate = 5/6\n", i);
 			break;
 		default:
 			c->layer[i].fec = FEC_7_8;
 			if (show)
-				dprintk("dib8000_get_frontend: Layer %d Code Rate = 7/8 ", i);
+				dprintk("dib8000_get_frontend: Layer %d Code Rate = 7/8\n", i);
 			break;
 		}
 
@@ -3531,23 +3538,23 @@ static int dib8000_get_frontend(struct dvb_frontend *fe,
 		case 0:
 			c->layer[i].modulation = DQPSK;
 			if (show)
-				dprintk("dib8000_get_frontend: Layer %d DQPSK ", i);
+				dprintk("dib8000_get_frontend: Layer %d DQPSK\n", i);
 			break;
 		case 1:
 			c->layer[i].modulation = QPSK;
 			if (show)
-				dprintk("dib8000_get_frontend: Layer %d QPSK ", i);
+				dprintk("dib8000_get_frontend: Layer %d QPSK\n", i);
 			break;
 		case 2:
 			c->layer[i].modulation = QAM_16;
 			if (show)
-				dprintk("dib8000_get_frontend: Layer %d QAM16 ", i);
+				dprintk("dib8000_get_frontend: Layer %d QAM16\n", i);
 			break;
 		case 3:
 		default:
 			c->layer[i].modulation = QAM_64;
 			if (show)
-				dprintk("dib8000_get_frontend: Layer %d QAM64 ", i);
+				dprintk("dib8000_get_frontend: Layer %d QAM64\n", i);
 			break;
 		}
 	}
@@ -3578,12 +3585,12 @@ static int dib8000_set_frontend(struct dvb_frontend *fe)
 	unsigned long delay, callback_time;
 
 	if (c->frequency == 0) {
-		dprintk("dib8000: must at least specify frequency ");
+		dprintk("dib8000: must at least specify frequency\n");
 		return 0;
 	}
 
 	if (c->bandwidth_hz == 0) {
-		dprintk("dib8000: no bandwidth specified, set to default ");
+		dprintk("dib8000: no bandwidth specified, set to default\n");
 		c->bandwidth_hz = 6000000;
 	}
 
@@ -3671,7 +3678,7 @@ static int dib8000_set_frontend(struct dvb_frontend *fe)
 			/* we are in autosearch */
 			if (state->channel_parameters_set == 0) { /* searching */
 				if ((dib8000_get_status(state->fe[index_frontend]) == FE_STATUS_DEMOD_SUCCESS) || (dib8000_get_status(state->fe[index_frontend]) == FE_STATUS_FFT_SUCCESS)) {
-					dprintk("autosearch succeeded on fe%i", index_frontend);
+					dprintk("autosearch succeeded on fe%i\n", index_frontend);
 					dib8000_get_frontend(state->fe[index_frontend], c); /* we read the channel parameters from the frontend which was successful */
 					state->channel_parameters_set = 1;
 
@@ -3708,11 +3715,11 @@ static int dib8000_set_frontend(struct dvb_frontend *fe)
 					active = 1;
 			}
 			if (active == 0)
-				dprintk("tuning done with status %d", dib8000_get_status(state->fe[0]));
+				dprintk("tuning done with status %d\n", dib8000_get_status(state->fe[0]));
 		}
 
 		if ((active == 1) && (callback_time == 0)) {
-			dprintk("strange callback time something went wrong");
+			dprintk("strange callback time something went wrong\n");
 			active = 0;
 		}
 
@@ -4172,7 +4179,7 @@ static int dib8000_get_stats(struct dvb_frontend *fe, enum fe_status stat)
 		time_us = dib8000_get_time_us(fe, -1);
 		state->ber_jiffies_stats = jiffies + msecs_to_jiffies((time_us + 500) / 1000);
 
-		dprintk("Next all layers stats available in %u us.", time_us);
+		dprintk("Next all layers stats available in %u us.\n", time_us);
 
 		dib8000_read_ber(fe, &val);
 		c->post_bit_error.stat[0].scale = FE_SCALE_COUNTER;
@@ -4239,12 +4246,12 @@ static int dib8000_set_slave_frontend(struct dvb_frontend *fe, struct dvb_fronte
 	while ((index_frontend < MAX_NUMBER_OF_FRONTENDS) && (state->fe[index_frontend] != NULL))
 		index_frontend++;
 	if (index_frontend < MAX_NUMBER_OF_FRONTENDS) {
-		dprintk("set slave fe %p to index %i", fe_slave, index_frontend);
+		dprintk("set slave fe %p to index %i\n", fe_slave, index_frontend);
 		state->fe[index_frontend] = fe_slave;
 		return 0;
 	}
 
-	dprintk("too many slave frontend");
+	dprintk("too many slave frontend\n");
 	return -ENOMEM;
 }
 
@@ -4256,12 +4263,12 @@ static int dib8000_remove_slave_frontend(struct dvb_frontend *fe)
 	while ((index_frontend < MAX_NUMBER_OF_FRONTENDS) && (state->fe[index_frontend] != NULL))
 		index_frontend++;
 	if (index_frontend != 1) {
-		dprintk("remove slave fe %p (index %i)", state->fe[index_frontend-1], index_frontend-1);
+		dprintk("remove slave fe %p (index %i)\n", state->fe[index_frontend-1], index_frontend-1);
 		state->fe[index_frontend] = NULL;
 		return 0;
 	}
 
-	dprintk("no frontend to be removed");
+	dprintk("no frontend to be removed\n");
 	return -ENODEV;
 }
 
@@ -4283,18 +4290,18 @@ static int dib8000_i2c_enumeration(struct i2c_adapter *host, int no_of_demods,
 
 	client.i2c_write_buffer = kzalloc(4 * sizeof(u8), GFP_KERNEL);
 	if (!client.i2c_write_buffer) {
-		dprintk("%s: not enough memory", __func__);
+		dprintk("%s: not enough memory\n", __func__);
 		return -ENOMEM;
 	}
 	client.i2c_read_buffer = kzalloc(4 * sizeof(u8), GFP_KERNEL);
 	if (!client.i2c_read_buffer) {
-		dprintk("%s: not enough memory", __func__);
+		dprintk("%s: not enough memory\n", __func__);
 		ret = -ENOMEM;
 		goto error_memory_read;
 	}
 	client.i2c_buffer_lock = kzalloc(sizeof(struct mutex), GFP_KERNEL);
 	if (!client.i2c_buffer_lock) {
-		dprintk("%s: not enough memory", __func__);
+		dprintk("%s: not enough memory\n", __func__);
 		ret = -ENOMEM;
 		goto error_memory_lock;
 	}
@@ -4313,7 +4320,7 @@ static int dib8000_i2c_enumeration(struct i2c_adapter *host, int no_of_demods,
 				dib8000_i2c_write16(&client, 1287, 0x0003);
 			client.addr = default_addr;
 			if (dib8000_identify(&client) == 0) {
-				dprintk("#%d: not identified", k);
+				dprintk("#%d: not identified\n", k);
 				ret  = -EINVAL;
 				goto error;
 			}
@@ -4327,7 +4334,7 @@ static int dib8000_i2c_enumeration(struct i2c_adapter *host, int no_of_demods,
 		client.addr = new_addr;
 		dib8000_identify(&client);
 
-		dprintk("IC %d initialized (to i2c_address 0x%x)", k, new_addr);
+		dprintk("IC %d initialized (to i2c_address 0x%x)\n", k, new_addr);
 	}
 
 	for (k = 0; k < no_of_demods; k++) {
@@ -4385,14 +4392,14 @@ static int dib8000_pid_filter_ctrl(struct dvb_frontend *fe, u8 onoff)
 	u16 val = dib8000_read_word(st, 299) & 0xffef;
 	val |= (onoff & 0x1) << 4;
 
-	dprintk("pid filter enabled %d", onoff);
+	dprintk("pid filter enabled %d\n", onoff);
 	return dib8000_write_word(st, 299, val);
 }
 
 static int dib8000_pid_filter(struct dvb_frontend *fe, u8 id, u16 pid, u8 onoff)
 {
 	struct dib8000_state *st = fe->demodulator_priv;
-	dprintk("Index %x, PID %d, OnOff %d", id, pid, onoff);
+	dprintk("Index %x, PID %d, OnOff %d\n", id, pid, onoff);
 	return dib8000_write_word(st, 305 + id, onoff ? (1 << 13) | pid : 0);
 }
 
@@ -4431,7 +4438,7 @@ static struct dvb_frontend *dib8000_init(struct i2c_adapter *i2c_adap, u8 i2c_ad
 	struct dvb_frontend *fe;
 	struct dib8000_state *state;
 
-	dprintk("dib8000_init");
+	dprintk("dib8000_init\n");
 
 	state = kzalloc(sizeof(struct dib8000_state), GFP_KERNEL);
 	if (state == NULL)
diff --git a/drivers/media/dvb-frontends/dib9000.c b/drivers/media/dvb-frontends/dib9000.c
index 5897977d2d00..c95fff4f9582 100644
--- a/drivers/media/dvb-frontends/dib9000.c
+++ b/drivers/media/dvb-frontends/dib9000.c
@@ -7,6 +7,9 @@
  *	modify it under the terms of the GNU General Public License as
  *	published by the Free Software Foundation, version 2.
  */
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/kernel.h>
 #include <linux/i2c.h>
 #include <linux/mutex.h>
@@ -21,7 +24,12 @@ static int debug;
 module_param(debug, int, 0644);
 MODULE_PARM_DESC(debug, "turn on debugging (default: 0)");
 
-#define dprintk(args...) do { if (debug) { printk(KERN_DEBUG "DiB9000: "); printk(args); printk("\n"); } } while (0)
+#define dprintk(fmt, arg...) do {					\
+	if (debug)							\
+		printk(KERN_DEBUG pr_fmt("%s: " fmt),			\
+		       __func__, ##arg);				\
+} while (0)
+
 #define MAX_NUMBER_OF_FRONTENDS 6
 
 struct i2c_device {
@@ -258,7 +266,7 @@ static int dib9000_read16_attr(struct dib9000_state *state, u16 reg, u8 *b, u32
 		state->msg[1].buf = b;
 		ret = i2c_transfer(state->i2c.i2c_adap, state->msg, 2) != 2 ? -EREMOTEIO : 0;
 		if (ret != 0) {
-			dprintk("i2c read error on %d", reg);
+			dprintk("i2c read error on %d\n", reg);
 			return -EREMOTEIO;
 		}
 
@@ -285,7 +293,7 @@ static u16 dib9000_i2c_read16(struct i2c_device *i2c, u16 reg)
 	i2c->i2c_write_buffer[1] = reg & 0xff;
 
 	if (i2c_transfer(i2c->i2c_adap, msg, 2) != 2) {
-		dprintk("read register %x error", reg);
+		dprintk("read register %x error\n", reg);
 		return 0;
 	}
 
@@ -440,7 +448,7 @@ static int dib9000_risc_mem_read(struct dib9000_state *state, u8 cmd, u8 * b, u1
 		return -EIO;
 
 	if (mutex_lock_interruptible(&state->platform.risc.mem_lock) < 0) {
-		dprintk("could not get the lock");
+		dprintk("could not get the lock\n");
 		return -EINTR;
 	}
 	dib9000_risc_mem_setup(state, cmd | 0x80);
@@ -456,7 +464,7 @@ static int dib9000_risc_mem_write(struct dib9000_state *state, u8 cmd, const u8
 		return -EIO;
 
 	if (mutex_lock_interruptible(&state->platform.risc.mem_lock) < 0) {
-		dprintk("could not get the lock");
+		dprintk("could not get the lock\n");
 		return -EINTR;
 	}
 	dib9000_risc_mem_setup(state, cmd);
@@ -479,13 +487,13 @@ static int dib9000_firmware_download(struct dib9000_state *state, u8 risc_id, u1
 	dib9000_write_word(state, 1025 + offs, 0);
 	dib9000_write_word(state, 1031 + offs, key);
 
-	dprintk("going to download %dB of microcode", len);
+	dprintk("going to download %dB of microcode\n", len);
 	if (dib9000_write16_noinc(state, 1026 + offs, (u8 *) code, (u16) len) != 0) {
-		dprintk("error while downloading microcode for RISC %c", 'A' + risc_id);
+		dprintk("error while downloading microcode for RISC %c\n", 'A' + risc_id);
 		return -EIO;
 	}
 
-	dprintk("Microcode for RISC %c loaded", 'A' + risc_id);
+	dprintk("Microcode for RISC %c loaded\n", 'A' + risc_id);
 
 	return 0;
 }
@@ -511,10 +519,10 @@ static int dib9000_mbx_host_init(struct dib9000_state *state, u8 risc_id)
 	} while ((reset_reg & 0x8000) && --tries);
 
 	if (reset_reg & 0x8000) {
-		dprintk("MBX: init ERROR, no response from RISC %c", 'A' + risc_id);
+		dprintk("MBX: init ERROR, no response from RISC %c\n", 'A' + risc_id);
 		return -EIO;
 	}
-	dprintk("MBX: initialized");
+	dprintk("MBX: initialized\n");
 	return 0;
 }
 
@@ -531,30 +539,27 @@ static int dib9000_mbx_send_attr(struct dib9000_state *state, u8 id, u16 * data,
 		return -EINVAL;
 
 	if (mutex_lock_interruptible(&state->platform.risc.mbx_if_lock) < 0) {
-		dprintk("could not get the lock");
+		dprintk("could not get the lock\n");
 		return -EINTR;
 	}
 	tmp = MAX_MAILBOX_TRY;
 	do {
 		size = dib9000_read_word_attr(state, 1043, attr) & 0xff;
 		if ((size + len + 1) > MBX_MAX_WORDS && --tmp) {
-			dprintk("MBX: RISC mbx full, retrying");
+			dprintk("MBX: RISC mbx full, retrying\n");
 			msleep(100);
 		} else
 			break;
 	} while (1);
 
-	/*dprintk( "MBX: size: %d", size); */
+	/*dprintk( "MBX: size: %d\n", size); */
 
 	if (tmp == 0) {
 		ret = -EINVAL;
 		goto out;
 	}
 #ifdef DUMP_MSG
-	dprintk("--> %02x %d ", id, len + 1);
-	for (i = 0; i < len; i++)
-		dprintk("%04x ", data[i]);
-	dprintk("\n");
+	dprintk("--> %02x %d %*ph\n", id, len + 1, len, data);
 #endif
 
 	/* byte-order conversion - works on big (where it is not necessary) or little endian */
@@ -596,7 +601,7 @@ static u8 dib9000_mbx_read(struct dib9000_state *state, u16 * data, u8 risc_id,
 		return 0;
 
 	if (mutex_lock_interruptible(&state->platform.risc.mbx_if_lock) < 0) {
-		dprintk("could not get the lock");
+		dprintk("could not get the lock\n");
 		return 0;
 	}
 	if (risc_id == 1)
@@ -622,13 +627,13 @@ static u8 dib9000_mbx_read(struct dib9000_state *state, u16 * data, u8 risc_id,
 		}
 
 #ifdef DUMP_MSG
-		dprintk("<-- ");
+		dprintk("<--\n");
 		for (i = 0; i < size + 1; i++)
-			dprintk("%04x ", d[i]);
+			dprintk("%04x\n", d[i]);
 		dprintk("\n");
 #endif
 	} else {
-		dprintk("MBX: message is too big for message cache (%d), flushing message", size);
+		dprintk("MBX: message is too big for message cache (%d), flushing message\n", size);
 		size--;		/* Initial word already read */
 		while (size--)
 			dib9000_read16_noinc_attr(state, 1029 + mc_base, (u8 *) data, 2, attr);
@@ -649,9 +654,11 @@ static int dib9000_risc_debug_buf(struct dib9000_state *state, u16 * data, u8 si
 	b[2 * (size - 2) - 1] = '\0';	/* Bullet proof the buffer */
 	if (*b == '~') {
 		b++;
-		dprintk("%s", b);
+		dprintk("%s\n", b);
 	} else
-		dprintk("RISC%d: %d.%04d %s", state->fe_id, ts / 10000, ts % 10000, *b ? b : "<empty>");
+		dprintk("RISC%d: %d.%04d %s\n",
+			state->fe_id,
+			ts / 10000, ts % 10000, *b ? b : "<empty>");
 	return 1;
 }
 
@@ -666,7 +673,7 @@ static int dib9000_mbx_fetch_to_cache(struct dib9000_state *state, u16 attr)
 		if (*block == 0) {
 			size = dib9000_mbx_read(state, block, 1, attr);
 
-/*                      dprintk( "MBX: fetched %04x message to cache", *block); */
+/*                      dprintk( "MBX: fetched %04x message to cache\n", *block); */
 
 			switch (*block >> 8) {
 			case IN_MSG_DEBUG_BUF:
@@ -686,7 +693,7 @@ static int dib9000_mbx_fetch_to_cache(struct dib9000_state *state, u16 attr)
 			return 1;
 		}
 	}
-	dprintk("MBX: no free cache-slot found for new message...");
+	dprintk("MBX: no free cache-slot found for new message...\n");
 	return -1;
 }
 
@@ -706,7 +713,7 @@ static int dib9000_mbx_process(struct dib9000_state *state, u16 attr)
 		return -1;
 
 	if (mutex_lock_interruptible(&state->platform.risc.mbx_lock) < 0) {
-		dprintk("could not get the lock");
+		dprintk("could not get the lock\n");
 		return -1;
 	}
 
@@ -715,7 +722,7 @@ static int dib9000_mbx_process(struct dib9000_state *state, u16 attr)
 
 	dib9000_read_word_attr(state, 1229, attr);	/* Clear the IRQ */
 /*      if (tmp) */
-/*              dprintk( "cleared IRQ: %x", tmp); */
+/*              dprintk( "cleared IRQ: %x\n", tmp); */
 	mutex_unlock(&state->platform.risc.mbx_lock);
 
 	return ret;
@@ -750,7 +757,7 @@ static int dib9000_mbx_get_message_attr(struct dib9000_state *state, u16 id, u16
 	} while (--timeout);
 
 	if (timeout == 0) {
-		dprintk("waiting for message %d timed out", id);
+		dprintk("waiting for message %d timed out\n", id);
 		return -1;
 	}
 
@@ -770,7 +777,7 @@ static int dib9000_risc_check_version(struct dib9000_state *state)
 		return -EIO;
 
 	fw_version = (r[0] << 8) | r[1];
-	dprintk("RISC: ver: %d.%02d (IC: %d)", fw_version >> 10, fw_version & 0x3ff, (r[2] << 8) | r[3]);
+	dprintk("RISC: ver: %d.%02d (IC: %d)\n", fw_version >> 10, fw_version & 0x3ff, (r[2] << 8) | r[3]);
 
 	if ((fw_version >> 10) != 7)
 		return -EINVAL;
@@ -850,40 +857,40 @@ static u16 dib9000_identify(struct i2c_device *client)
 
 	value = dib9000_i2c_read16(client, 896);
 	if (value != 0x01b3) {
-		dprintk("wrong Vendor ID (0x%x)", value);
+		dprintk("wrong Vendor ID (0x%x)\n", value);
 		return 0;
 	}
 
 	value = dib9000_i2c_read16(client, 897);
 	if (value != 0x4000 && value != 0x4001 && value != 0x4002 && value != 0x4003 && value != 0x4004 && value != 0x4005) {
-		dprintk("wrong Device ID (0x%x)", value);
+		dprintk("wrong Device ID (0x%x)\n", value);
 		return 0;
 	}
 
 	/* protect this driver to be used with 7000PC */
 	if (value == 0x4000 && dib9000_i2c_read16(client, 769) == 0x4000) {
-		dprintk("this driver does not work with DiB7000PC");
+		dprintk("this driver does not work with DiB7000PC\n");
 		return 0;
 	}
 
 	switch (value) {
 	case 0x4000:
-		dprintk("found DiB7000MA/PA/MB/PB");
+		dprintk("found DiB7000MA/PA/MB/PB\n");
 		break;
 	case 0x4001:
-		dprintk("found DiB7000HC");
+		dprintk("found DiB7000HC\n");
 		break;
 	case 0x4002:
-		dprintk("found DiB7000MC");
+		dprintk("found DiB7000MC\n");
 		break;
 	case 0x4003:
-		dprintk("found DiB9000A");
+		dprintk("found DiB9000A\n");
 		break;
 	case 0x4004:
-		dprintk("found DiB9000H");
+		dprintk("found DiB9000H\n");
 		break;
 	case 0x4005:
-		dprintk("found DiB9000M");
+		dprintk("found DiB9000M\n");
 		break;
 	}
 
@@ -1013,7 +1020,7 @@ static int dib9000_risc_apb_access_read(struct dib9000_state *state, u32 address
 	if (address >= 1024 || !state->platform.risc.fw_is_running)
 		return -EINVAL;
 
-	/* dprintk( "APB access thru rd fw %d %x", address, attribute); */
+	/* dprintk( "APB access thru rd fw %d %x\n", address, attribute); */
 
 	mb[0] = (u16) address;
 	mb[1] = len / 2;
@@ -1043,7 +1050,7 @@ static int dib9000_risc_apb_access_write(struct dib9000_state *state, u32 addres
 	if (len > 18)
 		return -EINVAL;
 
-	/* dprintk( "APB access thru wr fw %d %x", address, attribute); */
+	/* dprintk( "APB access thru wr fw %d %x\n", address, attribute); */
 
 	mb[0] = (u16)address;
 	for (i = 0; i + 1 < len; i += 2)
@@ -1191,7 +1198,7 @@ static int dib9000_fw_get_channel(struct dvb_frontend *fe)
 	int ret = 0;
 
 	if (mutex_lock_interruptible(&state->platform.risc.mem_mbx_lock) < 0) {
-		dprintk("could not get the lock");
+		dprintk("could not get the lock\n");
 		return -EINTR;
 	}
 	if (dib9000_fw_memmbx_sync(state, FE_SYNC_CHANNEL) < 0) {
@@ -1534,7 +1541,7 @@ static int dib9000_fw_set_output_mode(struct dvb_frontend *fe, int mode)
 	struct dib9000_state *state = fe->demodulator_priv;
 	u16 outreg, smo_mode;
 
-	dprintk("setting output mode for demod %p to %d", fe, mode);
+	dprintk("setting output mode for demod %p to %d\n", fe, mode);
 
 	switch (mode) {
 	case OUTMODE_MPEG2_PAR_GATED_CLK:
@@ -1556,7 +1563,7 @@ static int dib9000_fw_set_output_mode(struct dvb_frontend *fe, int mode)
 		outreg = 0;
 		break;
 	default:
-		dprintk("Unhandled output_mode passed to be set for demod %p", &state->fe[0]);
+		dprintk("Unhandled output_mode passed to be set for demod %p\n", &state->fe[0]);
 		return -EINVAL;
 	}
 
@@ -1590,7 +1597,7 @@ static int dib9000_tuner_xfer(struct i2c_adapter *i2c_adap, struct i2c_msg msg[]
 				len = 16;
 
 			if (dib9000_read_word(state, 790) != 0)
-				dprintk("TunerITF: read busy");
+				dprintk("TunerITF: read busy\n");
 
 			dib9000_write_word(state, 784, (u16) (msg[index_msg].addr));
 			dib9000_write_word(state, 787, (len / 2) - 1);
@@ -1601,7 +1608,7 @@ static int dib9000_tuner_xfer(struct i2c_adapter *i2c_adap, struct i2c_msg msg[]
 				i--;
 
 			if (i == 0)
-				dprintk("TunerITF: read failed");
+				dprintk("TunerITF: read failed\n");
 
 			for (i = 0; i < len; i += 2) {
 				t = dib9000_read_word(state, 785);
@@ -1609,13 +1616,13 @@ static int dib9000_tuner_xfer(struct i2c_adapter *i2c_adap, struct i2c_msg msg[]
 				msg[index_msg].buf[i + 1] = (t) & 0xff;
 			}
 			if (dib9000_read_word(state, 790) != 0)
-				dprintk("TunerITF: read more data than expected");
+				dprintk("TunerITF: read more data than expected\n");
 		} else {
 			i = 1000;
 			while (dib9000_read_word(state, 789) && i)
 				i--;
 			if (i == 0)
-				dprintk("TunerITF: write busy");
+				dprintk("TunerITF: write busy\n");
 
 			len = msg[index_msg].len;
 			if (len > 16)
@@ -1631,7 +1638,7 @@ static int dib9000_tuner_xfer(struct i2c_adapter *i2c_adap, struct i2c_msg msg[]
 			while (dib9000_read_word(state, 791) > 0 && i)
 				i--;
 			if (i == 0)
-				dprintk("TunerITF: write failed");
+				dprintk("TunerITF: write failed\n");
 		}
 	}
 	return num;
@@ -1676,7 +1683,7 @@ static int dib9000_fw_component_bus_xfer(struct i2c_adapter *i2c_adap, struct i2
 	}
 
 	if (mutex_lock_interruptible(&state->platform.risc.mem_mbx_lock) < 0) {
-		dprintk("could not get the lock");
+		dprintk("could not get the lock\n");
 		return 0;
 	}
 
@@ -1759,7 +1766,7 @@ static int dib9000_cfg_gpio(struct dib9000_state *st, u8 num, u8 dir, u8 val)
 	st->gpio_val |= (val & 0x01) << num;	/* set the new value */
 	dib9000_write_word(st, 774, st->gpio_val);
 
-	dprintk("gpio dir: %04x: gpio val: %04x", st->gpio_dir, st->gpio_val);
+	dprintk("gpio dir: %04x: gpio val: %04x\n", st->gpio_dir, st->gpio_val);
 
 	return 0;
 }
@@ -1779,7 +1786,7 @@ int dib9000_fw_pid_filter_ctrl(struct dvb_frontend *fe, u8 onoff)
 
 	if ((state->pid_ctrl_index != -2) && (state->pid_ctrl_index < 9)) {
 		/* postpone the pid filtering cmd */
-		dprintk("pid filter cmd postpone");
+		dprintk("pid filter cmd postpone\n");
 		state->pid_ctrl_index++;
 		state->pid_ctrl[state->pid_ctrl_index].cmd = DIB9000_PID_FILTER_CTRL;
 		state->pid_ctrl[state->pid_ctrl_index].onoff = onoff;
@@ -1787,14 +1794,14 @@ int dib9000_fw_pid_filter_ctrl(struct dvb_frontend *fe, u8 onoff)
 	}
 
 	if (mutex_lock_interruptible(&state->demod_lock) < 0) {
-		dprintk("could not get the lock");
+		dprintk("could not get the lock\n");
 		return -EINTR;
 	}
 
 	val = dib9000_read_word(state, 294 + 1) & 0xffef;
 	val |= (onoff & 0x1) << 4;
 
-	dprintk("PID filter enabled %d", onoff);
+	dprintk("PID filter enabled %d\n", onoff);
 	ret = dib9000_write_word(state, 294 + 1, val);
 	mutex_unlock(&state->demod_lock);
 	return ret;
@@ -1809,7 +1816,7 @@ int dib9000_fw_pid_filter(struct dvb_frontend *fe, u8 id, u16 pid, u8 onoff)
 
 	if (state->pid_ctrl_index != -2) {
 		/* postpone the pid filtering cmd */
-		dprintk("pid filter postpone");
+		dprintk("pid filter postpone\n");
 		if (state->pid_ctrl_index < 9) {
 			state->pid_ctrl_index++;
 			state->pid_ctrl[state->pid_ctrl_index].cmd = DIB9000_PID_FILTER;
@@ -1817,15 +1824,15 @@ int dib9000_fw_pid_filter(struct dvb_frontend *fe, u8 id, u16 pid, u8 onoff)
 			state->pid_ctrl[state->pid_ctrl_index].pid = pid;
 			state->pid_ctrl[state->pid_ctrl_index].onoff = onoff;
 		} else
-			dprintk("can not add any more pid ctrl cmd");
+			dprintk("can not add any more pid ctrl cmd\n");
 		return 0;
 	}
 
 	if (mutex_lock_interruptible(&state->demod_lock) < 0) {
-		dprintk("could not get the lock");
+		dprintk("could not get the lock\n");
 		return -EINTR;
 	}
-	dprintk("Index %x, PID %d, OnOff %d", id, pid, onoff);
+	dprintk("Index %x, PID %d, OnOff %d\n", id, pid, onoff);
 	ret = dib9000_write_word(state, 300 + 1 + id,
 			onoff ? (1 << 13) | pid : 0);
 	mutex_unlock(&state->demod_lock);
@@ -1868,7 +1875,7 @@ static int dib9000_sleep(struct dvb_frontend *fe)
 	int ret = 0;
 
 	if (mutex_lock_interruptible(&state->demod_lock) < 0) {
-		dprintk("could not get the lock");
+		dprintk("could not get the lock\n");
 		return -EINTR;
 	}
 	for (index_frontend = 1; (index_frontend < MAX_NUMBER_OF_FRONTENDS) && (state->fe[index_frontend] != NULL); index_frontend++) {
@@ -1899,7 +1906,7 @@ static int dib9000_get_frontend(struct dvb_frontend *fe,
 
 	if (state->get_frontend_internal == 0) {
 		if (mutex_lock_interruptible(&state->demod_lock) < 0) {
-			dprintk("could not get the lock");
+			dprintk("could not get the lock\n");
 			return -EINTR;
 		}
 	}
@@ -1907,7 +1914,7 @@ static int dib9000_get_frontend(struct dvb_frontend *fe,
 	for (index_frontend = 1; (index_frontend < MAX_NUMBER_OF_FRONTENDS) && (state->fe[index_frontend] != NULL); index_frontend++) {
 		state->fe[index_frontend]->ops.read_status(state->fe[index_frontend], &stat);
 		if (stat & FE_HAS_SYNC) {
-			dprintk("TPS lock on the slave%i", index_frontend);
+			dprintk("TPS lock on the slave%i\n", index_frontend);
 
 			/* synchronize the cache with the other frontends */
 			state->fe[index_frontend]->ops.get_frontend(state->fe[index_frontend], c);
@@ -1995,18 +2002,18 @@ static int dib9000_set_frontend(struct dvb_frontend *fe)
 
 	/* check that the correct parameters are set */
 	if (state->fe[0]->dtv_property_cache.frequency == 0) {
-		dprintk("dib9000: must specify frequency ");
+		dprintk("dib9000: must specify frequency\n");
 		return 0;
 	}
 
 	if (state->fe[0]->dtv_property_cache.bandwidth_hz == 0) {
-		dprintk("dib9000: must specify bandwidth ");
+		dprintk("dib9000: must specify bandwidth\n");
 		return 0;
 	}
 
 	state->pid_ctrl_index = -1; /* postpone the pid filtering cmd */
 	if (mutex_lock_interruptible(&state->demod_lock) < 0) {
-		dprintk("could not get the lock");
+		dprintk("could not get the lock\n");
 		return 0;
 	}
 
@@ -2073,14 +2080,14 @@ static int dib9000_set_frontend(struct dvb_frontend *fe)
 
 	/* check the tune result */
 	if (exit_condition == 1) {	/* tune failed */
-		dprintk("tune failed");
+		dprintk("tune failed\n");
 		mutex_unlock(&state->demod_lock);
 		/* tune failed; put all the pid filtering cmd to junk */
 		state->pid_ctrl_index = -1;
 		return 0;
 	}
 
-	dprintk("tune success on frontend%i", index_frontend_success);
+	dprintk("tune success on frontend%i\n", index_frontend_success);
 
 	/* synchronize all the channel cache */
 	state->get_frontend_internal = 1;
@@ -2169,7 +2176,7 @@ static int dib9000_read_status(struct dvb_frontend *fe, enum fe_status *stat)
 	u16 lock = 0, lock_slave = 0;
 
 	if (mutex_lock_interruptible(&state->demod_lock) < 0) {
-		dprintk("could not get the lock");
+		dprintk("could not get the lock\n");
 		return -EINTR;
 	}
 	for (index_frontend = 1; (index_frontend < MAX_NUMBER_OF_FRONTENDS) && (state->fe[index_frontend] != NULL); index_frontend++)
@@ -2202,11 +2209,11 @@ static int dib9000_read_ber(struct dvb_frontend *fe, u32 * ber)
 	int ret = 0;
 
 	if (mutex_lock_interruptible(&state->demod_lock) < 0) {
-		dprintk("could not get the lock");
+		dprintk("could not get the lock\n");
 		return -EINTR;
 	}
 	if (mutex_lock_interruptible(&state->platform.risc.mem_mbx_lock) < 0) {
-		dprintk("could not get the lock");
+		dprintk("could not get the lock\n");
 		ret = -EINTR;
 		goto error;
 	}
@@ -2237,7 +2244,7 @@ static int dib9000_read_signal_strength(struct dvb_frontend *fe, u16 * strength)
 	int ret = 0;
 
 	if (mutex_lock_interruptible(&state->demod_lock) < 0) {
-		dprintk("could not get the lock");
+		dprintk("could not get the lock\n");
 		return -EINTR;
 	}
 	*strength = 0;
@@ -2250,7 +2257,7 @@ static int dib9000_read_signal_strength(struct dvb_frontend *fe, u16 * strength)
 	}
 
 	if (mutex_lock_interruptible(&state->platform.risc.mem_mbx_lock) < 0) {
-		dprintk("could not get the lock");
+		dprintk("could not get the lock\n");
 		ret = -EINTR;
 		goto error;
 	}
@@ -2281,7 +2288,7 @@ static u32 dib9000_get_snr(struct dvb_frontend *fe)
 	u16 val;
 
 	if (mutex_lock_interruptible(&state->platform.risc.mem_mbx_lock) < 0) {
-		dprintk("could not get the lock");
+		dprintk("could not get the lock\n");
 		return 0;
 	}
 	if (dib9000_fw_memmbx_sync(state, FE_SYNC_CHANNEL) < 0) {
@@ -2320,7 +2327,7 @@ static int dib9000_read_snr(struct dvb_frontend *fe, u16 * snr)
 	u32 snr_master;
 
 	if (mutex_lock_interruptible(&state->demod_lock) < 0) {
-		dprintk("could not get the lock");
+		dprintk("could not get the lock\n");
 		return -EINTR;
 	}
 	snr_master = dib9000_get_snr(fe);
@@ -2345,11 +2352,11 @@ static int dib9000_read_unc_blocks(struct dvb_frontend *fe, u32 * unc)
 	int ret = 0;
 
 	if (mutex_lock_interruptible(&state->demod_lock) < 0) {
-		dprintk("could not get the lock");
+		dprintk("could not get the lock\n");
 		return -EINTR;
 	}
 	if (mutex_lock_interruptible(&state->platform.risc.mem_mbx_lock) < 0) {
-		dprintk("could not get the lock");
+		dprintk("could not get the lock\n");
 		ret = -EINTR;
 		goto error;
 	}
@@ -2376,12 +2383,12 @@ int dib9000_i2c_enumeration(struct i2c_adapter *i2c, int no_of_demods, u8 defaul
 
 	client.i2c_write_buffer = kzalloc(4 * sizeof(u8), GFP_KERNEL);
 	if (!client.i2c_write_buffer) {
-		dprintk("%s: not enough memory", __func__);
+		dprintk("%s: not enough memory\n", __func__);
 		return -ENOMEM;
 	}
 	client.i2c_read_buffer = kzalloc(4 * sizeof(u8), GFP_KERNEL);
 	if (!client.i2c_read_buffer) {
-		dprintk("%s: not enough memory", __func__);
+		dprintk("%s: not enough memory\n", __func__);
 		ret = -ENOMEM;
 		goto error_memory;
 	}
@@ -2408,7 +2415,7 @@ int dib9000_i2c_enumeration(struct i2c_adapter *i2c, int no_of_demods, u8 defaul
 		if (dib9000_identify(&client) == 0) {
 			client.i2c_addr = default_addr;
 			if (dib9000_identify(&client) == 0) {
-				dprintk("DiB9000 #%d: not identified", k);
+				dprintk("DiB9000 #%d: not identified\n", k);
 				ret = -EIO;
 				goto error;
 			}
@@ -2417,7 +2424,7 @@ int dib9000_i2c_enumeration(struct i2c_adapter *i2c, int no_of_demods, u8 defaul
 		dib9000_i2c_write16(&client, 1795, (1 << 10) | (4 << 6));
 		dib9000_i2c_write16(&client, 1794, (new_addr << 2) | 2);
 
-		dprintk("IC %d initialized (to i2c_address 0x%x)", k, new_addr);
+		dprintk("IC %d initialized (to i2c_address 0x%x)\n", k, new_addr);
 	}
 
 	for (k = 0; k < no_of_demods; k++) {
@@ -2445,12 +2452,12 @@ int dib9000_set_slave_frontend(struct dvb_frontend *fe, struct dvb_frontend *fe_
 	while ((index_frontend < MAX_NUMBER_OF_FRONTENDS) && (state->fe[index_frontend] != NULL))
 		index_frontend++;
 	if (index_frontend < MAX_NUMBER_OF_FRONTENDS) {
-		dprintk("set slave fe %p to index %i", fe_slave, index_frontend);
+		dprintk("set slave fe %p to index %i\n", fe_slave, index_frontend);
 		state->fe[index_frontend] = fe_slave;
 		return 0;
 	}
 
-	dprintk("too many slave frontend");
+	dprintk("too many slave frontend\n");
 	return -ENOMEM;
 }
 EXPORT_SYMBOL(dib9000_set_slave_frontend);
@@ -2463,12 +2470,12 @@ int dib9000_remove_slave_frontend(struct dvb_frontend *fe)
 	while ((index_frontend < MAX_NUMBER_OF_FRONTENDS) && (state->fe[index_frontend] != NULL))
 		index_frontend++;
 	if (index_frontend != 1) {
-		dprintk("remove slave fe %p (index %i)", state->fe[index_frontend - 1], index_frontend - 1);
+		dprintk("remove slave fe %p (index %i)\n", state->fe[index_frontend - 1], index_frontend - 1);
 		state->fe[index_frontend] = NULL;
 		return 0;
 	}
 
-	dprintk("no frontend to be removed");
+	dprintk("no frontend to be removed\n");
 	return -ENODEV;
 }
 EXPORT_SYMBOL(dib9000_remove_slave_frontend);
@@ -2483,7 +2490,7 @@ struct dvb_frontend *dib9000_get_slave_frontend(struct dvb_frontend *fe, int sla
 }
 EXPORT_SYMBOL(dib9000_get_slave_frontend);
 
-static struct dvb_frontend_ops dib9000_ops;
+static const struct dvb_frontend_ops dib9000_ops;
 struct dvb_frontend *dib9000_attach(struct i2c_adapter *i2c_adap, u8 i2c_addr, const struct dib9000_config *cfg)
 {
 	struct dvb_frontend *fe;
@@ -2560,7 +2567,7 @@ error:
 }
 EXPORT_SYMBOL(dib9000_attach);
 
-static struct dvb_frontend_ops dib9000_ops = {
+static const struct dvb_frontend_ops dib9000_ops = {
 	.delsys = { SYS_DVBT },
 	.info = {
 		 .name = "DiBcom 9000",
diff --git a/drivers/media/dvb-frontends/dibx000_common.c b/drivers/media/dvb-frontends/dibx000_common.c
index 723358d7ca84..bc28184c7fb0 100644
--- a/drivers/media/dvb-frontends/dibx000_common.c
+++ b/drivers/media/dvb-frontends/dibx000_common.c
@@ -1,3 +1,5 @@
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/i2c.h>
 #include <linux/mutex.h>
 #include <linux/module.h>
@@ -8,14 +10,18 @@ static int debug;
 module_param(debug, int, 0644);
 MODULE_PARM_DESC(debug, "turn on debugging (default: 0)");
 
-#define dprintk(args...) do { if (debug) { printk(KERN_DEBUG "DiBX000: "); printk(args); printk("\n"); } } while (0)
+#define dprintk(fmt, arg...) do {					\
+	if (debug)							\
+		printk(KERN_DEBUG pr_fmt("%s: " fmt),			\
+		       __func__, ##arg);				\
+} while (0)
 
 static int dibx000_write_word(struct dibx000_i2c_master *mst, u16 reg, u16 val)
 {
 	int ret;
 
 	if (mutex_lock_interruptible(&mst->i2c_buffer_lock) < 0) {
-		dprintk("could not acquire lock");
+		dprintk("could not acquire lock\n");
 		return -EINVAL;
 	}
 
@@ -41,7 +47,7 @@ static u16 dibx000_read_word(struct dibx000_i2c_master *mst, u16 reg)
 	u16 ret;
 
 	if (mutex_lock_interruptible(&mst->i2c_buffer_lock) < 0) {
-		dprintk("could not acquire lock");
+		dprintk("could not acquire lock\n");
 		return 0;
 	}
 
@@ -59,7 +65,7 @@ static u16 dibx000_read_word(struct dibx000_i2c_master *mst, u16 reg)
 	mst->msg[1].len = 2;
 
 	if (i2c_transfer(mst->i2c_adap, mst->msg, 2) != 2)
-		dprintk("i2c read error on %d", reg);
+		dprintk("i2c read error on %d\n", reg);
 
 	ret = (mst->i2c_read_buffer[0] << 8) | mst->i2c_read_buffer[1];
 	mutex_unlock(&mst->i2c_buffer_lock);
@@ -192,7 +198,7 @@ static int dibx000_i2c_select_interface(struct dibx000_i2c_master *mst,
 					enum dibx000_i2c_interface intf)
 {
 	if (mst->device_rev > DIB3000MC && mst->selected_interface != intf) {
-		dprintk("selecting interface: %d", intf);
+		dprintk("selecting interface: %d\n", intf);
 		mst->selected_interface = intf;
 		return dibx000_write_word(mst, mst->base_reg + 4, intf);
 	}
@@ -290,7 +296,7 @@ static int dibx000_i2c_gated_gpio67_xfer(struct i2c_adapter *i2c_adap,
 	dibx000_i2c_select_interface(mst, DIBX000_I2C_INTERFACE_GPIO_6_7);
 
 	if (mutex_lock_interruptible(&mst->i2c_buffer_lock) < 0) {
-		dprintk("could not acquire lock");
+		dprintk("could not acquire lock\n");
 		return -EINVAL;
 	}
 
@@ -337,7 +343,7 @@ static int dibx000_i2c_gated_tuner_xfer(struct i2c_adapter *i2c_adap,
 	dibx000_i2c_select_interface(mst, DIBX000_I2C_INTERFACE_TUNER);
 
 	if (mutex_lock_interruptible(&mst->i2c_buffer_lock) < 0) {
-		dprintk("could not acquire lock");
+		dprintk("could not acquire lock\n");
 		return -EINVAL;
 	}
 	memset(mst->msg, 0, sizeof(struct i2c_msg) * (2 + num));
@@ -391,7 +397,7 @@ struct i2c_adapter *dibx000_get_i2c_adapter(struct dibx000_i2c_master *mst,
 			i2c = &mst->master_i2c_adap_gpio67;
 		break;
 	default:
-		printk(KERN_ERR "DiBX000: incorrect I2C interface selected\n");
+		pr_err("incorrect I2C interface selected\n");
 		break;
 	}
 
@@ -434,7 +440,7 @@ int dibx000_init_i2c_master(struct dibx000_i2c_master *mst, u16 device_rev,
 
 	mutex_init(&mst->i2c_buffer_lock);
 	if (mutex_lock_interruptible(&mst->i2c_buffer_lock) < 0) {
-		dprintk("could not acquire lock");
+		dprintk("could not acquire lock\n");
 		return -EINVAL;
 	}
 	memset(mst->msg, 0, sizeof(struct i2c_msg));
@@ -456,29 +462,25 @@ int dibx000_init_i2c_master(struct dibx000_i2c_master *mst, u16 device_rev,
 	if (i2c_adapter_init
 			(&mst->gated_tuner_i2c_adap, &dibx000_i2c_gated_tuner_algo,
 			 "DiBX000 tuner I2C bus", mst) != 0)
-		printk(KERN_ERR
-				"DiBX000: could not initialize the tuner i2c_adapter\n");
+		pr_err("could not initialize the tuner i2c_adapter\n");
 
 	mst->master_i2c_adap_gpio12.dev.parent = mst->i2c_adap->dev.parent;
 	if (i2c_adapter_init
 			(&mst->master_i2c_adap_gpio12, &dibx000_i2c_master_gpio12_xfer_algo,
 			 "DiBX000 master GPIO12 I2C bus", mst) != 0)
-		printk(KERN_ERR
-				"DiBX000: could not initialize the master i2c_adapter\n");
+		pr_err("could not initialize the master i2c_adapter\n");
 
 	mst->master_i2c_adap_gpio34.dev.parent = mst->i2c_adap->dev.parent;
 	if (i2c_adapter_init
 			(&mst->master_i2c_adap_gpio34, &dibx000_i2c_master_gpio34_xfer_algo,
 			 "DiBX000 master GPIO34 I2C bus", mst) != 0)
-		printk(KERN_ERR
-				"DiBX000: could not initialize the master i2c_adapter\n");
+		pr_err("could not initialize the master i2c_adapter\n");
 
 	mst->master_i2c_adap_gpio67.dev.parent = mst->i2c_adap->dev.parent;
 	if (i2c_adapter_init
 			(&mst->master_i2c_adap_gpio67, &dibx000_i2c_gated_gpio67_algo,
 			 "DiBX000 master GPIO67 I2C bus", mst) != 0)
-		printk(KERN_ERR
-				"DiBX000: could not initialize the master i2c_adapter\n");
+		pr_err("could not initialize the master i2c_adapter\n");
 
 	/* initialize the i2c-master by closing the gate */
 	dibx000_i2c_gate_ctrl(mst, mst->i2c_write_buffer, 0, 0);
@@ -500,16 +502,6 @@ void dibx000_exit_i2c_master(struct dibx000_i2c_master *mst)
 }
 EXPORT_SYMBOL(dibx000_exit_i2c_master);
 
-
-u32 systime(void)
-{
-	struct timespec t;
-
-	t = current_kernel_time();
-	return (t.tv_sec * 10000) + (t.tv_nsec / 100000);
-}
-EXPORT_SYMBOL(systime);
-
 MODULE_AUTHOR("Patrick Boettcher <patrick.boettcher@posteo.de>");
 MODULE_DESCRIPTION("Common function the DiBcom demodulator family");
 MODULE_LICENSE("GPL");
diff --git a/drivers/media/dvb-frontends/dibx000_common.h b/drivers/media/dvb-frontends/dibx000_common.h
index b538e0555c95..61f4152f24ee 100644
--- a/drivers/media/dvb-frontends/dibx000_common.h
+++ b/drivers/media/dvb-frontends/dibx000_common.h
@@ -47,8 +47,6 @@ extern void dibx000_exit_i2c_master(struct dibx000_i2c_master *mst);
 extern void dibx000_reset_i2c_master(struct dibx000_i2c_master *mst);
 extern int dibx000_i2c_set_speed(struct i2c_adapter *i2c_adap, u16 speed);
 
-extern u32 systime(void);
-
 #define BAND_LBAND 0x01
 #define BAND_UHF   0x02
 #define BAND_VHF   0x04
diff --git a/drivers/media/dvb-frontends/drx39xyj/drxj.c b/drivers/media/dvb-frontends/drx39xyj/drxj.c
index bd6d2ee0f7c9..f1c3e3b09b65 100644
--- a/drivers/media/dvb-frontends/drx39xyj/drxj.c
+++ b/drivers/media/dvb-frontends/drx39xyj/drxj.c
@@ -12264,7 +12264,7 @@ static void drx39xxj_release(struct dvb_frontend *fe)
 	kfree(state);
 }
 
-static struct dvb_frontend_ops drx39xxj_ops;
+static const struct dvb_frontend_ops drx39xxj_ops;
 
 struct dvb_frontend *drx39xxj_attach(struct i2c_adapter *i2c)
 {
@@ -12363,7 +12363,7 @@ error:
 }
 EXPORT_SYMBOL(drx39xxj_attach);
 
-static struct dvb_frontend_ops drx39xxj_ops = {
+static const struct dvb_frontend_ops drx39xxj_ops = {
 	.delsys = { SYS_ATSC, SYS_DVBC_ANNEX_B },
 	.info = {
 		 .name = "Micronas DRX39xxj family Frontend",
diff --git a/drivers/media/dvb-frontends/drxd_hard.c b/drivers/media/dvb-frontends/drxd_hard.c
index 445a15c2714f..4143f0326684 100644
--- a/drivers/media/dvb-frontends/drxd_hard.c
+++ b/drivers/media/dvb-frontends/drxd_hard.c
@@ -2912,7 +2912,7 @@ static void drxd_release(struct dvb_frontend *fe)
 	kfree(state);
 }
 
-static struct dvb_frontend_ops drxd_ops = {
+static const struct dvb_frontend_ops drxd_ops = {
 	.delsys = { SYS_DVBT},
 	.info = {
 		 .name = "Micronas DRXD DVB-T",
diff --git a/drivers/media/dvb-frontends/drxk_hard.c b/drivers/media/dvb-frontends/drxk_hard.c
index c595adc61c6f..146edf344dd8 100644
--- a/drivers/media/dvb-frontends/drxk_hard.c
+++ b/drivers/media/dvb-frontends/drxk_hard.c
@@ -6737,7 +6737,7 @@ static int drxk_get_tune_settings(struct dvb_frontend *fe,
 	}
 }
 
-static struct dvb_frontend_ops drxk_ops = {
+static const struct dvb_frontend_ops drxk_ops = {
 	/* .delsys will be filled dynamically */
 	.info = {
 		.name = "DRXK",
diff --git a/drivers/media/dvb-frontends/ds3000.c b/drivers/media/dvb-frontends/ds3000.c
index 447b518e287a..0b17a45c5640 100644
--- a/drivers/media/dvb-frontends/ds3000.c
+++ b/drivers/media/dvb-frontends/ds3000.c
@@ -248,8 +248,8 @@ static int ds3000_writereg(struct ds3000_state *state, int reg, int data)
 
 	err = i2c_transfer(state->i2c, &msg, 1);
 	if (err != 1) {
-		printk(KERN_ERR "%s: writereg error(err == %i, reg == 0x%02x,"
-			 " value == 0x%02x)\n", __func__, err, reg, data);
+		printk(KERN_ERR "%s: writereg error(err == %i, reg == 0x%02x, value == 0x%02x)\n",
+		       __func__, err, reg, data);
 		return -EREMOTEIO;
 	}
 
@@ -296,8 +296,8 @@ static int ds3000_writeFW(struct ds3000_state *state, int reg,
 
 		ret = i2c_transfer(state->i2c, &msg, 1);
 		if (ret != 1) {
-			printk(KERN_ERR "%s: write error(err == %i, "
-				"reg == 0x%02x\n", __func__, ret, reg);
+			printk(KERN_ERR "%s: write error(err == %i, reg == 0x%02x\n",
+			       __func__, ret, reg);
 			ret = -EREMOTEIO;
 			goto error;
 		}
@@ -364,8 +364,8 @@ static int ds3000_firmware_ondemand(struct dvb_frontend *fe)
 				state->i2c->dev.parent);
 	printk(KERN_INFO "%s: Waiting for firmware upload(2)...\n", __func__);
 	if (ret) {
-		printk(KERN_ERR "%s: No firmware uploaded (timeout or file not "
-				"found?)\n", __func__);
+		printk(KERN_ERR "%s: No firmware uploaded (timeout or file not found?)\n",
+		       __func__);
 		return ret;
 	}
 
@@ -830,7 +830,7 @@ static void ds3000_release(struct dvb_frontend *fe)
 	kfree(state);
 }
 
-static struct dvb_frontend_ops ds3000_ops;
+static const struct dvb_frontend_ops ds3000_ops;
 
 struct dvb_frontend *ds3000_attach(const struct ds3000_config *config,
 				    struct i2c_adapter *i2c)
@@ -1104,7 +1104,7 @@ static int ds3000_initfe(struct dvb_frontend *fe)
 	return 0;
 }
 
-static struct dvb_frontend_ops ds3000_ops = {
+static const struct dvb_frontend_ops ds3000_ops = {
 	.delsys = { SYS_DVBS, SYS_DVBS2 },
 	.info = {
 		.name = "Montage Technology DS3000",
@@ -1144,8 +1144,7 @@ static struct dvb_frontend_ops ds3000_ops = {
 module_param(debug, int, 0644);
 MODULE_PARM_DESC(debug, "Activates frontend debugging (default:0)");
 
-MODULE_DESCRIPTION("DVB Frontend module for Montage Technology "
-			"DS3000 hardware");
+MODULE_DESCRIPTION("DVB Frontend module for Montage Technology DS3000 hardware");
 MODULE_AUTHOR("Konstantin Dimitrov <kosio.dimitrov@gmail.com>");
 MODULE_LICENSE("GPL");
 MODULE_FIRMWARE(DS3000_DEFAULT_FIRMWARE);
diff --git a/drivers/media/dvb-frontends/dvb-pll.c b/drivers/media/dvb-frontends/dvb-pll.c
index 735a96662022..ef976eb23344 100644
--- a/drivers/media/dvb-frontends/dvb-pll.c
+++ b/drivers/media/dvb-frontends/dvb-pll.c
@@ -18,6 +18,8 @@
  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/slab.h>
 #include <linux/module.h>
 #include <linux/dvb/frontend.h>
@@ -25,6 +27,9 @@
 
 #include "dvb-pll.h"
 
+#define dprintk(fmt, arg...) \
+	printk(KERN_DEBUG pr_fmt("%s: " fmt), __func__, ##arg)
+
 struct dvb_pll_priv {
 	/* pll number */
 	int nr;
@@ -362,7 +367,7 @@ static void opera1_bw(struct dvb_frontend *fe, u8 *buf)
 
 	result = i2c_transfer(priv->i2c, &msg, 1);
 	if (result != 1)
-		printk(KERN_ERR "%s: i2c_transfer failed:%d",
+		pr_err("%s: i2c_transfer failed:%d",
 			__func__, result);
 
 	if (b_w <= 10000)
@@ -432,7 +437,7 @@ static void samsung_dtos403ih102a_set(struct dvb_frontend *fe, u8 *buf)
 
 	result = i2c_transfer(priv->i2c, &msg, 1);
 	if (result != 1)
-		printk(KERN_ERR "%s: i2c_transfer failed:%d",
+		pr_err("%s: i2c_transfer failed:%d",
 			__func__, result);
 
 	buf[2] = 0x9e;
@@ -578,7 +583,7 @@ static int dvb_pll_configure(struct dvb_frontend *fe, u8 *buf,
 	}
 
 	if (debug)
-		printk("pll: %s: freq=%d | i=%d/%d\n", desc->name,
+		dprintk("pll: %s: freq=%d | i=%d/%d\n", desc->name,
 		       frequency, i, desc->count);
 	if (i == desc->count)
 		return -EINVAL;
@@ -594,18 +599,17 @@ static int dvb_pll_configure(struct dvb_frontend *fe, u8 *buf,
 		desc->set(fe, buf);
 
 	if (debug)
-		printk("pll: %s: div=%d | buf=0x%02x,0x%02x,0x%02x,0x%02x\n",
+		dprintk("pll: %s: div=%d | buf=0x%02x,0x%02x,0x%02x,0x%02x\n",
 		       desc->name, div, buf[0], buf[1], buf[2], buf[3]);
 
 	// calculate the frequency we set it to
 	return (div * desc->entries[i].stepsize) - desc->iffreq;
 }
 
-static int dvb_pll_release(struct dvb_frontend *fe)
+static void dvb_pll_release(struct dvb_frontend *fe)
 {
 	kfree(fe->tuner_priv);
 	fe->tuner_priv = NULL;
-	return 0;
 }
 
 static int dvb_pll_sleep(struct dvb_frontend *fe)
@@ -803,10 +807,10 @@ struct dvb_frontend *dvb_pll_attach(struct dvb_frontend *fe, int pll_addr,
 	fe->tuner_priv = priv;
 
 	if ((debug) || (id[priv->nr] == pll_desc_id)) {
-		printk("dvb-pll[%d]", priv->nr);
+		dprintk("dvb-pll[%d]", priv->nr);
 		if (i2c != NULL)
-			printk(" %d-%04x", i2c_adapter_id(i2c), pll_addr);
-		printk(": id# %d (%s) attached, %s\n", pll_desc_id, desc->name,
+			pr_cont(" %d-%04x", i2c_adapter_id(i2c), pll_addr);
+		pr_cont(": id# %d (%s) attached, %s\n", pll_desc_id, desc->name,
 		       id[priv->nr] == pll_desc_id ?
 				"insmod option" : "autodetected");
 	}
diff --git a/drivers/media/dvb-frontends/dvb_dummy_fe.c b/drivers/media/dvb-frontends/dvb_dummy_fe.c
index e5bd8c62ad3a..efc3c31a7635 100644
--- a/drivers/media/dvb-frontends/dvb_dummy_fe.c
+++ b/drivers/media/dvb-frontends/dvb_dummy_fe.c
@@ -119,7 +119,7 @@ static void dvb_dummy_fe_release(struct dvb_frontend* fe)
 	kfree(state);
 }
 
-static struct dvb_frontend_ops dvb_dummy_fe_ofdm_ops;
+static const struct dvb_frontend_ops dvb_dummy_fe_ofdm_ops;
 
 struct dvb_frontend* dvb_dummy_fe_ofdm_attach(void)
 {
@@ -136,7 +136,7 @@ struct dvb_frontend* dvb_dummy_fe_ofdm_attach(void)
 	return &state->frontend;
 }
 
-static struct dvb_frontend_ops dvb_dummy_fe_qpsk_ops;
+static const struct dvb_frontend_ops dvb_dummy_fe_qpsk_ops;
 
 struct dvb_frontend *dvb_dummy_fe_qpsk_attach(void)
 {
@@ -153,7 +153,7 @@ struct dvb_frontend *dvb_dummy_fe_qpsk_attach(void)
 	return &state->frontend;
 }
 
-static struct dvb_frontend_ops dvb_dummy_fe_qam_ops;
+static const struct dvb_frontend_ops dvb_dummy_fe_qam_ops;
 
 struct dvb_frontend *dvb_dummy_fe_qam_attach(void)
 {
@@ -170,7 +170,7 @@ struct dvb_frontend *dvb_dummy_fe_qam_attach(void)
 	return &state->frontend;
 }
 
-static struct dvb_frontend_ops dvb_dummy_fe_ofdm_ops = {
+static const struct dvb_frontend_ops dvb_dummy_fe_ofdm_ops = {
 	.delsys = { SYS_DVBT },
 	.info = {
 		.name			= "Dummy DVB-T",
@@ -201,7 +201,7 @@ static struct dvb_frontend_ops dvb_dummy_fe_ofdm_ops = {
 	.read_ucblocks = dvb_dummy_fe_read_ucblocks,
 };
 
-static struct dvb_frontend_ops dvb_dummy_fe_qam_ops = {
+static const struct dvb_frontend_ops dvb_dummy_fe_qam_ops = {
 	.delsys = { SYS_DVBC_ANNEX_A },
 	.info = {
 		.name			= "Dummy DVB-C",
@@ -230,7 +230,7 @@ static struct dvb_frontend_ops dvb_dummy_fe_qam_ops = {
 	.read_ucblocks = dvb_dummy_fe_read_ucblocks,
 };
 
-static struct dvb_frontend_ops dvb_dummy_fe_qpsk_ops = {
+static const struct dvb_frontend_ops dvb_dummy_fe_qpsk_ops = {
 	.delsys = { SYS_DVBS },
 	.info = {
 		.name			= "Dummy DVB-S",
diff --git a/drivers/media/dvb-frontends/ec100.c b/drivers/media/dvb-frontends/ec100.c
index c9012e677cd1..d97ce21e26e1 100644
--- a/drivers/media/dvb-frontends/ec100.c
+++ b/drivers/media/dvb-frontends/ec100.c
@@ -280,7 +280,7 @@ static void ec100_release(struct dvb_frontend *fe)
 	kfree(state);
 }
 
-static struct dvb_frontend_ops ec100_ops;
+static const struct dvb_frontend_ops ec100_ops;
 
 struct dvb_frontend *ec100_attach(const struct ec100_config *config,
 	struct i2c_adapter *i2c)
@@ -315,7 +315,7 @@ error:
 }
 EXPORT_SYMBOL(ec100_attach);
 
-static struct dvb_frontend_ops ec100_ops = {
+static const struct dvb_frontend_ops ec100_ops = {
 	.delsys = { SYS_DVBT },
 	.info = {
 		.name = "E3C EC100 DVB-T",
diff --git a/drivers/media/dvb-frontends/gp8psk-fe.c b/drivers/media/dvb-frontends/gp8psk-fe.c
index 93f59bfea092..efe015df7f1d 100644
--- a/drivers/media/dvb-frontends/gp8psk-fe.c
+++ b/drivers/media/dvb-frontends/gp8psk-fe.c
@@ -323,7 +323,7 @@ static void gp8psk_fe_release(struct dvb_frontend* fe)
 	kfree(st);
 }
 
-static struct dvb_frontend_ops gp8psk_fe_ops;
+static const struct dvb_frontend_ops gp8psk_fe_ops;
 
 struct dvb_frontend *gp8psk_fe_attach(const struct gp8psk_fe_ops *ops,
 				      void *priv, bool is_rev1)
@@ -351,7 +351,7 @@ struct dvb_frontend *gp8psk_fe_attach(const struct gp8psk_fe_ops *ops,
 }
 EXPORT_SYMBOL_GPL(gp8psk_fe_attach);
 
-static struct dvb_frontend_ops gp8psk_fe_ops = {
+static const struct dvb_frontend_ops gp8psk_fe_ops = {
 	.delsys = { SYS_DVBS },
 	.info = {
 		.name			= "Genpix DVB-S",
diff --git a/drivers/media/dvb-frontends/hd29l2.c b/drivers/media/dvb-frontends/hd29l2.c
index 1c7eb477e2cd..8b53633cf325 100644
--- a/drivers/media/dvb-frontends/hd29l2.c
+++ b/drivers/media/dvb-frontends/hd29l2.c
@@ -793,7 +793,7 @@ static void hd29l2_release(struct dvb_frontend *fe)
 	kfree(priv);
 }
 
-static struct dvb_frontend_ops hd29l2_ops;
+static const struct dvb_frontend_ops hd29l2_ops;
 
 struct dvb_frontend *hd29l2_attach(const struct hd29l2_config *config,
 	struct i2c_adapter *i2c)
@@ -828,7 +828,7 @@ err:
 }
 EXPORT_SYMBOL(hd29l2_attach);
 
-static struct dvb_frontend_ops hd29l2_ops = {
+static const struct dvb_frontend_ops hd29l2_ops = {
 	.delsys = { SYS_DVBT },
 	.info = {
 		.name = "HDIC HD29L2 DMB-TH",
diff --git a/drivers/media/dvb-frontends/helene.c b/drivers/media/dvb-frontends/helene.c
index dc43c5f6d0ea..ef35c2b30ea3 100644
--- a/drivers/media/dvb-frontends/helene.c
+++ b/drivers/media/dvb-frontends/helene.c
@@ -434,14 +434,13 @@ static int helene_init(struct dvb_frontend *fe)
 	return helene_leave_power_save(priv);
 }
 
-static int helene_release(struct dvb_frontend *fe)
+static void helene_release(struct dvb_frontend *fe)
 {
 	struct helene_priv *priv = fe->tuner_priv;
 
 	dev_dbg(&priv->i2c->dev, "%s()\n", __func__);
 	kfree(fe->tuner_priv);
 	fe->tuner_priv = NULL;
-	return 0;
 }
 
 static int helene_sleep(struct dvb_frontend *fe)
diff --git a/drivers/media/dvb-frontends/horus3a.c b/drivers/media/dvb-frontends/horus3a.c
index 0c089b5986a1..94bb4f7a2298 100644
--- a/drivers/media/dvb-frontends/horus3a.c
+++ b/drivers/media/dvb-frontends/horus3a.c
@@ -151,14 +151,13 @@ static int horus3a_init(struct dvb_frontend *fe)
 	return 0;
 }
 
-static int horus3a_release(struct dvb_frontend *fe)
+static void horus3a_release(struct dvb_frontend *fe)
 {
 	struct horus3a_priv *priv = fe->tuner_priv;
 
 	dev_dbg(&priv->i2c->dev, "%s()\n", __func__);
 	kfree(fe->tuner_priv);
 	fe->tuner_priv = NULL;
-	return 0;
 }
 
 static int horus3a_sleep(struct dvb_frontend *fe)
diff --git a/drivers/media/dvb-frontends/itd1000.c b/drivers/media/dvb-frontends/itd1000.c
index cadcae4cff89..475525134327 100644
--- a/drivers/media/dvb-frontends/itd1000.c
+++ b/drivers/media/dvb-frontends/itd1000.c
@@ -348,11 +348,10 @@ static int itd1000_sleep(struct dvb_frontend *fe)
 	return 0;
 }
 
-static int itd1000_release(struct dvb_frontend *fe)
+static void itd1000_release(struct dvb_frontend *fe)
 {
 	kfree(fe->tuner_priv);
 	fe->tuner_priv = NULL;
-	return 0;
 }
 
 static const struct dvb_tuner_ops itd1000_tuner_ops = {
diff --git a/drivers/media/dvb-frontends/ix2505v.c b/drivers/media/dvb-frontends/ix2505v.c
index 2826bbb36b73..ca371680a69f 100644
--- a/drivers/media/dvb-frontends/ix2505v.c
+++ b/drivers/media/dvb-frontends/ix2505v.c
@@ -94,14 +94,13 @@ static int ix2505v_write(struct ix2505v_state *state, u8 buf[], u8 count)
 	return 0;
 }
 
-static int ix2505v_release(struct dvb_frontend *fe)
+static void ix2505v_release(struct dvb_frontend *fe)
 {
 	struct ix2505v_state *state = fe->tuner_priv;
 
 	fe->tuner_priv = NULL;
 	kfree(state);
 
-	return 0;
 }
 
 /**
diff --git a/drivers/media/dvb-frontends/l64781.c b/drivers/media/dvb-frontends/l64781.c
index 2f3d0519e19b..68923c84679a 100644
--- a/drivers/media/dvb-frontends/l64781.c
+++ b/drivers/media/dvb-frontends/l64781.c
@@ -496,7 +496,7 @@ static void l64781_release(struct dvb_frontend* fe)
 	kfree(state);
 }
 
-static struct dvb_frontend_ops l64781_ops;
+static const struct dvb_frontend_ops l64781_ops;
 
 struct dvb_frontend* l64781_attach(const struct l64781_config* config,
 				   struct i2c_adapter* i2c)
@@ -571,7 +571,7 @@ error:
 	return NULL;
 }
 
-static struct dvb_frontend_ops l64781_ops = {
+static const struct dvb_frontend_ops l64781_ops = {
 	.delsys = { SYS_DVBT },
 	.info = {
 		.name = "LSI L64781 DVB-T",
diff --git a/drivers/media/dvb-frontends/lg2160.c b/drivers/media/dvb-frontends/lg2160.c
index f51a3a0b3949..3b31e5f20f46 100644
--- a/drivers/media/dvb-frontends/lg2160.c
+++ b/drivers/media/dvb-frontends/lg2160.c
@@ -1359,7 +1359,7 @@ static void lg216x_release(struct dvb_frontend *fe)
 	kfree(state);
 }
 
-static struct dvb_frontend_ops lg2160_ops = {
+static const struct dvb_frontend_ops lg2160_ops = {
 	.delsys = { SYS_ATSCMH },
 	.info = {
 		.name = "LG Electronics LG2160 ATSC/MH Frontend",
@@ -1387,7 +1387,7 @@ static struct dvb_frontend_ops lg2160_ops = {
 	.release              = lg216x_release,
 };
 
-static struct dvb_frontend_ops lg2161_ops = {
+static const struct dvb_frontend_ops lg2161_ops = {
 	.delsys = { SYS_ATSCMH },
 	.info = {
 		.name = "LG Electronics LG2161 ATSC/MH Frontend",
diff --git a/drivers/media/dvb-frontends/lgdt3305.c b/drivers/media/dvb-frontends/lgdt3305.c
index 4503e8852fd1..9f5d9380bf5f 100644
--- a/drivers/media/dvb-frontends/lgdt3305.c
+++ b/drivers/media/dvb-frontends/lgdt3305.c
@@ -1103,8 +1103,8 @@ static void lgdt3305_release(struct dvb_frontend *fe)
 	kfree(state);
 }
 
-static struct dvb_frontend_ops lgdt3304_ops;
-static struct dvb_frontend_ops lgdt3305_ops;
+static const struct dvb_frontend_ops lgdt3304_ops;
+static const struct dvb_frontend_ops lgdt3305_ops;
 
 struct dvb_frontend *lgdt3305_attach(const struct lgdt3305_config *config,
 				     struct i2c_adapter *i2c_adap)
@@ -1164,7 +1164,7 @@ fail:
 }
 EXPORT_SYMBOL(lgdt3305_attach);
 
-static struct dvb_frontend_ops lgdt3304_ops = {
+static const struct dvb_frontend_ops lgdt3304_ops = {
 	.delsys = { SYS_ATSC, SYS_DVBC_ANNEX_B },
 	.info = {
 		.name = "LG Electronics LGDT3304 VSB/QAM Frontend",
@@ -1187,7 +1187,7 @@ static struct dvb_frontend_ops lgdt3304_ops = {
 	.release              = lgdt3305_release,
 };
 
-static struct dvb_frontend_ops lgdt3305_ops = {
+static const struct dvb_frontend_ops lgdt3305_ops = {
 	.delsys = { SYS_ATSC, SYS_DVBC_ANNEX_B },
 	.info = {
 		.name = "LG Electronics LGDT3305 VSB/QAM Frontend",
diff --git a/drivers/media/dvb-frontends/lgdt3306a.c b/drivers/media/dvb-frontends/lgdt3306a.c
index 0ca4e810e9d8..19dca46b1171 100644
--- a/drivers/media/dvb-frontends/lgdt3306a.c
+++ b/drivers/media/dvb-frontends/lgdt3306a.c
@@ -1767,7 +1767,7 @@ static void lgdt3306a_release(struct dvb_frontend *fe)
 	kfree(state);
 }
 
-static struct dvb_frontend_ops lgdt3306a_ops;
+static const struct dvb_frontend_ops lgdt3306a_ops;
 
 struct dvb_frontend *lgdt3306a_attach(const struct lgdt3306a_config *config,
 				      struct i2c_adapter *i2c_adap)
@@ -2103,7 +2103,7 @@ static void lgdt3306a_DumpRegs(struct lgdt3306a_state *state)
 
 
 
-static struct dvb_frontend_ops lgdt3306a_ops = {
+static const struct dvb_frontend_ops lgdt3306a_ops = {
 	.delsys = { SYS_ATSC, SYS_DVBC_ANNEX_B },
 	.info = {
 		.name = "LG Electronics LGDT3306A VSB/QAM Frontend",
diff --git a/drivers/media/dvb-frontends/lgdt330x.c b/drivers/media/dvb-frontends/lgdt330x.c
index 96bf254da21e..2f4a0316f89c 100644
--- a/drivers/media/dvb-frontends/lgdt330x.c
+++ b/drivers/media/dvb-frontends/lgdt330x.c
@@ -405,8 +405,7 @@ static int lgdt330x_set_parameters(struct dvb_frontend *fe)
 			return -1;
 		}
 		if (err < 0)
-			printk(KERN_WARNING "lgdt330x: %s: error blasting "
-			       "bytes to lgdt3303 for modulation type(%d)\n",
+			printk(KERN_WARNING "lgdt330x: %s: error blasting bytes to lgdt3303 for modulation type(%d)\n",
 			       __func__, p->modulation);
 
 		/*
@@ -729,8 +728,8 @@ static void lgdt330x_release(struct dvb_frontend* fe)
 	kfree(state);
 }
 
-static struct dvb_frontend_ops lgdt3302_ops;
-static struct dvb_frontend_ops lgdt3303_ops;
+static const struct dvb_frontend_ops lgdt3302_ops;
+static const struct dvb_frontend_ops lgdt3303_ops;
 
 struct dvb_frontend* lgdt330x_attach(const struct lgdt330x_config* config,
 				     struct i2c_adapter* i2c)
@@ -775,7 +774,7 @@ error:
 	return NULL;
 }
 
-static struct dvb_frontend_ops lgdt3302_ops = {
+static const struct dvb_frontend_ops lgdt3302_ops = {
 	.delsys = { SYS_ATSC, SYS_DVBC_ANNEX_B },
 	.info = {
 		.name= "LG Electronics LGDT3302 VSB/QAM Frontend",
@@ -798,7 +797,7 @@ static struct dvb_frontend_ops lgdt3302_ops = {
 	.release              = lgdt330x_release,
 };
 
-static struct dvb_frontend_ops lgdt3303_ops = {
+static const struct dvb_frontend_ops lgdt3303_ops = {
 	.delsys = { SYS_ATSC, SYS_DVBC_ANNEX_B },
 	.info = {
 		.name= "LG Electronics LGDT3303 VSB/QAM Frontend",
diff --git a/drivers/media/dvb-frontends/lgs8gl5.c b/drivers/media/dvb-frontends/lgs8gl5.c
index fbfd87b5b803..970e42fdbc1b 100644
--- a/drivers/media/dvb-frontends/lgs8gl5.c
+++ b/drivers/media/dvb-frontends/lgs8gl5.c
@@ -376,7 +376,7 @@ lgs8gl5_release(struct dvb_frontend *fe)
 }
 
 
-static struct dvb_frontend_ops lgs8gl5_ops;
+static const struct dvb_frontend_ops lgs8gl5_ops;
 
 
 struct dvb_frontend*
@@ -412,7 +412,7 @@ error:
 EXPORT_SYMBOL(lgs8gl5_attach);
 
 
-static struct dvb_frontend_ops lgs8gl5_ops = {
+static const struct dvb_frontend_ops lgs8gl5_ops = {
 	.delsys = { SYS_DTMB },
 	.info = {
 		.name			= "Legend Silicon LGS-8GL5 DMB-TH",
diff --git a/drivers/media/dvb-frontends/lgs8gxx.c b/drivers/media/dvb-frontends/lgs8gxx.c
index 919daeb96747..6d2e62469d58 100644
--- a/drivers/media/dvb-frontends/lgs8gxx.c
+++ b/drivers/media/dvb-frontends/lgs8gxx.c
@@ -985,7 +985,7 @@ static int lgs8gxx_i2c_gate_ctrl(struct dvb_frontend *fe, int enable)
 	return lgs8gxx_write_reg(priv, 0x01, 0);
 }
 
-static struct dvb_frontend_ops lgs8gxx_ops = {
+static const struct dvb_frontend_ops lgs8gxx_ops = {
 	.delsys = { SYS_DTMB },
 	.info = {
 		.name = "Legend Silicon LGS8913/LGS8GXX DMB-TH",
diff --git a/drivers/media/dvb-frontends/m88ds3103.c b/drivers/media/dvb-frontends/m88ds3103.c
index e0fe5bc9dbce..50bce68ffd66 100644
--- a/drivers/media/dvb-frontends/m88ds3103.c
+++ b/drivers/media/dvb-frontends/m88ds3103.c
@@ -16,7 +16,7 @@
 
 #include "m88ds3103_priv.h"
 
-static struct dvb_frontend_ops m88ds3103_ops;
+static const struct dvb_frontend_ops m88ds3103_ops;
 
 /* write single register with mask */
 static int m88ds3103_update_bits(struct m88ds3103_dev *dev,
@@ -1295,7 +1295,7 @@ struct dvb_frontend *m88ds3103_attach(const struct m88ds3103_config *cfg,
 }
 EXPORT_SYMBOL(m88ds3103_attach);
 
-static struct dvb_frontend_ops m88ds3103_ops = {
+static const struct dvb_frontend_ops m88ds3103_ops = {
 	.delsys = {SYS_DVBS, SYS_DVBS2},
 	.info = {
 		.name = "Montage Technology M88DS3103",
diff --git a/drivers/media/dvb-frontends/m88rs2000.c b/drivers/media/dvb-frontends/m88rs2000.c
index ef79a4ec31e2..ce6c21d405ee 100644
--- a/drivers/media/dvb-frontends/m88rs2000.c
+++ b/drivers/media/dvb-frontends/m88rs2000.c
@@ -75,8 +75,8 @@ static int m88rs2000_writereg(struct m88rs2000_state *state,
 	ret = i2c_transfer(state->i2c, &msg, 1);
 
 	if (ret != 1)
-		deb_info("%s: writereg error (reg == 0x%02x, val == 0x%02x, "
-			"ret == %i)\n", __func__, reg, data, ret);
+		deb_info("%s: writereg error (reg == 0x%02x, val == 0x%02x, ret == %i)\n",
+			 __func__, reg, data, ret);
 
 	return (ret != 1) ? -EREMOTEIO : 0;
 }
@@ -618,10 +618,9 @@ static int m88rs2000_set_frontend(struct dvb_frontend *fe)
 	state->no_lock_count = 0;
 
 	if (c->delivery_system != SYS_DVBS) {
-			deb_info("%s: unsupported delivery "
-				"system selected (%d)\n",
-				__func__, c->delivery_system);
-			return -EOPNOTSUPP;
+		deb_info("%s: unsupported delivery system selected (%d)\n",
+			 __func__, c->delivery_system);
+		return -EOPNOTSUPP;
 	}
 
 	/* Set Tuner */
@@ -753,7 +752,7 @@ static void m88rs2000_release(struct dvb_frontend *fe)
 	kfree(state);
 }
 
-static struct dvb_frontend_ops m88rs2000_ops = {
+static const struct dvb_frontend_ops m88rs2000_ops = {
 	.delsys = { SYS_DVBS },
 	.info = {
 		.name			= "M88RS2000 DVB-S",
diff --git a/drivers/media/dvb-frontends/mb86a16.c b/drivers/media/dvb-frontends/mb86a16.c
index 79bc671e8769..9bb122c39c1b 100644
--- a/drivers/media/dvb-frontends/mb86a16.c
+++ b/drivers/media/dvb-frontends/mb86a16.c
@@ -1816,7 +1816,7 @@ static enum dvbfe_algo mb86a16_frontend_algo(struct dvb_frontend *fe)
 	return DVBFE_ALGO_CUSTOM;
 }
 
-static struct dvb_frontend_ops mb86a16_ops = {
+static const struct dvb_frontend_ops mb86a16_ops = {
 	.delsys = { SYS_DVBS },
 	.info = {
 		.name			= "Fujitsu MB86A16 DVB-S",
diff --git a/drivers/media/dvb-frontends/mb86a20s.c b/drivers/media/dvb-frontends/mb86a20s.c
index fe79358b035e..e8ac8c3e2ec0 100644
--- a/drivers/media/dvb-frontends/mb86a20s.c
+++ b/drivers/media/dvb-frontends/mb86a20s.c
@@ -1967,6 +1967,7 @@ static int mb86a20s_read_status_and_stats(struct dvb_frontend *fe,
 	if (status_nr < 0) {
 		dev_err(&state->i2c->dev,
 			"%s: Can't read frontend lock status\n", __func__);
+		rc = status_nr;
 		goto error;
 	}
 
@@ -2059,7 +2060,7 @@ static int mb86a20s_get_frontend_algo(struct dvb_frontend *fe)
         return DVBFE_ALGO_HW;
 }
 
-static struct dvb_frontend_ops mb86a20s_ops;
+static const struct dvb_frontend_ops mb86a20s_ops;
 
 struct dvb_frontend *mb86a20s_attach(const struct mb86a20s_config *config,
 				    struct i2c_adapter *i2c)
@@ -2107,7 +2108,7 @@ error:
 }
 EXPORT_SYMBOL(mb86a20s_attach);
 
-static struct dvb_frontend_ops mb86a20s_ops = {
+static const struct dvb_frontend_ops mb86a20s_ops = {
 	.delsys = { SYS_ISDBT },
 	/* Use dib8000 values per default */
 	.info = {
diff --git a/drivers/media/dvb-frontends/mn88472.c b/drivers/media/dvb-frontends/mn88472.c
index 18fb2df1e2bd..29dd13b36c28 100644
--- a/drivers/media/dvb-frontends/mn88472.c
+++ b/drivers/media/dvb-frontends/mn88472.c
@@ -411,7 +411,7 @@ err:
 	return ret;
 }
 
-static struct dvb_frontend_ops mn88472_ops = {
+static const struct dvb_frontend_ops mn88472_ops = {
 	.delsys = {SYS_DVBT, SYS_DVBT2, SYS_DVBC_ANNEX_A},
 	.info = {
 		.name = "Panasonic MN88472",
@@ -488,18 +488,6 @@ static int mn88472_probe(struct i2c_client *client,
 		goto err_kfree;
 	}
 
-	/* Check demod answers with correct chip id */
-	ret = regmap_read(dev->regmap[0], 0xff, &utmp);
-	if (ret)
-		goto err_regmap_0_regmap_exit;
-
-	dev_dbg(&client->dev, "chip id=%02x\n", utmp);
-
-	if (utmp != 0x02) {
-		ret = -ENODEV;
-		goto err_regmap_0_regmap_exit;
-	}
-
 	/*
 	 * Chip has three I2C addresses for different register banks. Used
 	 * addresses are 0x18, 0x1a and 0x1c. We register two dummy clients,
@@ -536,6 +524,18 @@ static int mn88472_probe(struct i2c_client *client,
 	}
 	i2c_set_clientdata(dev->client[2], dev);
 
+	/* Check demod answers with correct chip id */
+	ret = regmap_read(dev->regmap[2], 0xff, &utmp);
+	if (ret)
+		goto err_regmap_2_regmap_exit;
+
+	dev_dbg(&client->dev, "chip id=%02x\n", utmp);
+
+	if (utmp != 0x02) {
+		ret = -ENODEV;
+		goto err_regmap_2_regmap_exit;
+	}
+
 	/* Sleep because chip is active by default */
 	ret = regmap_write(dev->regmap[2], 0x05, 0x3e);
 	if (ret)
diff --git a/drivers/media/dvb-frontends/mn88473.c b/drivers/media/dvb-frontends/mn88473.c
index 451974a1d7ed..c221c7d2ac3e 100644
--- a/drivers/media/dvb-frontends/mn88473.c
+++ b/drivers/media/dvb-frontends/mn88473.c
@@ -239,62 +239,68 @@ static int mn88473_read_status(struct dvb_frontend *fe, enum fe_status *status)
 	struct i2c_client *client = fe->demodulator_priv;
 	struct mn88473_dev *dev = i2c_get_clientdata(client);
 	struct dtv_frontend_properties *c = &fe->dtv_property_cache;
-	int ret;
-	unsigned int uitmp;
+	int ret, i, stmp;
+	unsigned int utmp, utmp1, utmp2;
+	u8 buf[5];
 
 	if (!dev->active) {
 		ret = -EAGAIN;
 		goto err;
 	}
 
-	*status = 0;
-
+	/* Lock detection */
 	switch (c->delivery_system) {
 	case SYS_DVBT:
-		ret = regmap_read(dev->regmap[0], 0x62, &uitmp);
+		ret = regmap_read(dev->regmap[0], 0x62, &utmp);
 		if (ret)
 			goto err;
 
-		if (!(uitmp & 0xa0)) {
-			if ((uitmp & 0x0f) >= 0x09)
+		if (!(utmp & 0xa0)) {
+			if ((utmp & 0x0f) >= 0x09)
 				*status = FE_HAS_SIGNAL | FE_HAS_CARRIER |
 					  FE_HAS_VITERBI | FE_HAS_SYNC |
 					  FE_HAS_LOCK;
-			else if ((uitmp & 0x0f) >= 0x03)
+			else if ((utmp & 0x0f) >= 0x03)
 				*status = FE_HAS_SIGNAL | FE_HAS_CARRIER;
+		} else {
+			*status = 0;
 		}
 		break;
 	case SYS_DVBT2:
-		ret = regmap_read(dev->regmap[2], 0x8b, &uitmp);
+		ret = regmap_read(dev->regmap[2], 0x8b, &utmp);
 		if (ret)
 			goto err;
 
-		if (!(uitmp & 0x40)) {
-			if ((uitmp & 0x0f) >= 0x0d)
+		if (!(utmp & 0x40)) {
+			if ((utmp & 0x0f) >= 0x0d)
 				*status = FE_HAS_SIGNAL | FE_HAS_CARRIER |
 					  FE_HAS_VITERBI | FE_HAS_SYNC |
 					  FE_HAS_LOCK;
-			else if ((uitmp & 0x0f) >= 0x0a)
+			else if ((utmp & 0x0f) >= 0x0a)
 				*status = FE_HAS_SIGNAL | FE_HAS_CARRIER |
 					  FE_HAS_VITERBI;
-			else if ((uitmp & 0x0f) >= 0x07)
+			else if ((utmp & 0x0f) >= 0x07)
 				*status = FE_HAS_SIGNAL | FE_HAS_CARRIER;
+		} else {
+			*status = 0;
 		}
 		break;
 	case SYS_DVBC_ANNEX_A:
-		ret = regmap_read(dev->regmap[1], 0x85, &uitmp);
+		ret = regmap_read(dev->regmap[1], 0x85, &utmp);
 		if (ret)
 			goto err;
 
-		if (!(uitmp & 0x40)) {
-			ret = regmap_read(dev->regmap[1], 0x89, &uitmp);
+		if (!(utmp & 0x40)) {
+			ret = regmap_read(dev->regmap[1], 0x89, &utmp);
 			if (ret)
 				goto err;
 
-			if (uitmp & 0x01)
+			if (utmp & 0x01)
 				*status = FE_HAS_SIGNAL | FE_HAS_CARRIER |
-					  FE_HAS_VITERBI | FE_HAS_SYNC |
-					  FE_HAS_LOCK;
+						FE_HAS_VITERBI | FE_HAS_SYNC |
+						FE_HAS_LOCK;
+		} else {
+			*status = 0;
 		}
 		break;
 	default:
@@ -302,6 +308,148 @@ static int mn88473_read_status(struct dvb_frontend *fe, enum fe_status *status)
 		goto err;
 	}
 
+	/* Signal strength */
+	if (*status & FE_HAS_SIGNAL) {
+		for (i = 0; i < 2; i++) {
+			ret = regmap_bulk_read(dev->regmap[2], 0x86 + i,
+					       &buf[i], 1);
+			if (ret)
+				goto err;
+		}
+
+		/* AGCRD[15:6] gives us a 10bit value ([5:0] are always 0) */
+		utmp1 = buf[0] << 8 | buf[1] << 0 | buf[0] >> 2;
+		dev_dbg(&client->dev, "strength=%u\n", utmp1);
+
+		c->strength.stat[0].scale = FE_SCALE_RELATIVE;
+		c->strength.stat[0].uvalue = utmp1;
+	} else {
+		c->strength.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+	}
+
+	/* CNR */
+	if (*status & FE_HAS_VITERBI && c->delivery_system == SYS_DVBT) {
+		/* DVB-T CNR */
+		ret = regmap_bulk_read(dev->regmap[0], 0x8f, buf, 2);
+		if (ret)
+			goto err;
+
+		utmp = buf[0] << 8 | buf[1] << 0;
+		if (utmp) {
+			/* CNR[dB]: 10 * (log10(65536 / value) + 0.2) */
+			/* log10(65536) = 80807124, 0.2 = 3355443 */
+			stmp = div_u64(((u64)80807124 - intlog10(utmp)
+					+ 3355443) * 10000, 1 << 24);
+			dev_dbg(&client->dev, "cnr=%d value=%u\n", stmp, utmp);
+		} else {
+			stmp = 0;
+		}
+
+		c->cnr.stat[0].svalue = stmp;
+		c->cnr.stat[0].scale = FE_SCALE_DECIBEL;
+	} else if (*status & FE_HAS_VITERBI &&
+		   c->delivery_system == SYS_DVBT2) {
+		/* DVB-T2 CNR */
+		for (i = 0; i < 3; i++) {
+			ret = regmap_bulk_read(dev->regmap[2], 0xb7 + i,
+					       &buf[i], 1);
+			if (ret)
+				goto err;
+		}
+
+		utmp = buf[1] << 8 | buf[2] << 0;
+		utmp1 = (buf[0] >> 2) & 0x01; /* 0=SISO, 1=MISO */
+		if (utmp) {
+			if (utmp1) {
+				/* CNR[dB]: 10 * (log10(16384 / value) - 0.6) */
+				/* log10(16384) = 70706234, 0.6 = 10066330 */
+				stmp = div_u64(((u64)70706234 - intlog10(utmp)
+						- 10066330) * 10000, 1 << 24);
+				dev_dbg(&client->dev, "cnr=%d value=%u MISO\n",
+					stmp, utmp);
+			} else {
+				/* CNR[dB]: 10 * (log10(65536 / value) + 0.2) */
+				/* log10(65536) = 80807124, 0.2 = 3355443 */
+				stmp = div_u64(((u64)80807124 - intlog10(utmp)
+						+ 3355443) * 10000, 1 << 24);
+				dev_dbg(&client->dev, "cnr=%d value=%u SISO\n",
+					stmp, utmp);
+			}
+		} else {
+			stmp = 0;
+		}
+
+		c->cnr.stat[0].svalue = stmp;
+		c->cnr.stat[0].scale = FE_SCALE_DECIBEL;
+	} else if (*status & FE_HAS_VITERBI &&
+		   c->delivery_system == SYS_DVBC_ANNEX_A) {
+		/* DVB-C CNR */
+		ret = regmap_bulk_read(dev->regmap[1], 0xa1, buf, 4);
+		if (ret)
+			goto err;
+
+		utmp1 = buf[0] << 8 | buf[1] << 0; /* signal */
+		utmp2 = buf[2] << 8 | buf[3] << 0; /* noise */
+		if (utmp1 && utmp2) {
+			/* CNR[dB]: 10 * log10(8 * (signal / noise)) */
+			/* log10(8) = 15151336 */
+			stmp = div_u64(((u64)15151336 + intlog10(utmp1)
+					- intlog10(utmp2)) * 10000, 1 << 24);
+			dev_dbg(&client->dev, "cnr=%d signal=%u noise=%u\n",
+				stmp, utmp1, utmp2);
+		} else {
+			stmp = 0;
+		}
+
+		c->cnr.stat[0].svalue = stmp;
+		c->cnr.stat[0].scale = FE_SCALE_DECIBEL;
+	} else {
+		c->cnr.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+	}
+
+	/* BER */
+	if (*status & FE_HAS_LOCK && (c->delivery_system == SYS_DVBT ||
+				      c->delivery_system == SYS_DVBC_ANNEX_A)) {
+		/* DVB-T & DVB-C BER */
+		ret = regmap_bulk_read(dev->regmap[0], 0x92, buf, 5);
+		if (ret)
+			goto err;
+
+		utmp1 = buf[0] << 16 | buf[1] << 8 | buf[2] << 0;
+		utmp2 = buf[3] << 8 | buf[4] << 0;
+		utmp2 = utmp2 * 8 * 204;
+		dev_dbg(&client->dev, "post_bit_error=%u post_bit_count=%u\n",
+			utmp1, utmp2);
+
+		c->post_bit_error.stat[0].scale = FE_SCALE_COUNTER;
+		c->post_bit_error.stat[0].uvalue += utmp1;
+		c->post_bit_count.stat[0].scale = FE_SCALE_COUNTER;
+		c->post_bit_count.stat[0].uvalue += utmp2;
+	} else {
+		c->post_bit_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+		c->post_bit_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+	}
+
+	/* PER */
+	if (*status & FE_HAS_LOCK) {
+		ret = regmap_bulk_read(dev->regmap[0], 0xdd, buf, 4);
+		if (ret)
+			goto err;
+
+		utmp1 = buf[0] << 8 | buf[1] << 0;
+		utmp2 = buf[2] << 8 | buf[3] << 0;
+		dev_dbg(&client->dev, "block_error=%u block_count=%u\n",
+			utmp1, utmp2);
+
+		c->block_error.stat[0].scale = FE_SCALE_COUNTER;
+		c->block_error.stat[0].uvalue += utmp1;
+		c->block_count.stat[0].scale = FE_SCALE_COUNTER;
+		c->block_count.stat[0].uvalue += utmp2;
+	} else {
+		c->block_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+		c->block_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+	}
+
 	return 0;
 err:
 	dev_dbg(&client->dev, "failed=%d\n", ret);
@@ -312,6 +460,7 @@ static int mn88473_init(struct dvb_frontend *fe)
 {
 	struct i2c_client *client = fe->demodulator_priv;
 	struct mn88473_dev *dev = i2c_get_clientdata(client);
+	struct dtv_frontend_properties *c = &fe->dtv_property_cache;
 	int ret, len, remain;
 	unsigned int uitmp;
 	const struct firmware *fw;
@@ -378,6 +527,20 @@ warm:
 
 	dev->active = true;
 
+	/* init stats here to indicate which stats are supported */
+	c->strength.len = 1;
+	c->strength.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+	c->cnr.len = 1;
+	c->cnr.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+	c->post_bit_error.len = 1;
+	c->post_bit_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+	c->post_bit_count.len = 1;
+	c->post_bit_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+	c->block_error.len = 1;
+	c->block_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+	c->block_count.len = 1;
+	c->block_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+
 	return 0;
 err_release_firmware:
 	release_firmware(fw);
@@ -485,18 +648,6 @@ static int mn88473_probe(struct i2c_client *client,
 		goto err_kfree;
 	}
 
-	/* Check demod answers with correct chip id */
-	ret = regmap_read(dev->regmap[0], 0xff, &uitmp);
-	if (ret)
-		goto err_regmap_0_regmap_exit;
-
-	dev_dbg(&client->dev, "chip id=%02x\n", uitmp);
-
-	if (uitmp != 0x03) {
-		ret = -ENODEV;
-		goto err_regmap_0_regmap_exit;
-	}
-
 	/*
 	 * Chip has three I2C addresses for different register banks. Used
 	 * addresses are 0x18, 0x1a and 0x1c. We register two dummy clients,
@@ -533,6 +684,18 @@ static int mn88473_probe(struct i2c_client *client,
 	}
 	i2c_set_clientdata(dev->client[2], dev);
 
+	/* Check demod answers with correct chip id */
+	ret = regmap_read(dev->regmap[2], 0xff, &uitmp);
+	if (ret)
+		goto err_regmap_2_regmap_exit;
+
+	dev_dbg(&client->dev, "chip id=%02x\n", uitmp);
+
+	if (uitmp != 0x03) {
+		ret = -ENODEV;
+		goto err_regmap_2_regmap_exit;
+	}
+
 	/* Sleep because chip is active by default */
 	ret = regmap_write(dev->regmap[2], 0x05, 0x3e);
 	if (ret)
diff --git a/drivers/media/dvb-frontends/mn88473_priv.h b/drivers/media/dvb-frontends/mn88473_priv.h
index e6c65893e451..5fc463d147c8 100644
--- a/drivers/media/dvb-frontends/mn88473_priv.h
+++ b/drivers/media/dvb-frontends/mn88473_priv.h
@@ -18,7 +18,9 @@
 #define MN88473_PRIV_H
 
 #include "dvb_frontend.h"
+#include "dvb_math.h"
 #include "mn88473.h"
+#include <linux/math64.h>
 #include <linux/firmware.h>
 #include <linux/regmap.h>
 
diff --git a/drivers/media/dvb-frontends/mt312.c b/drivers/media/dvb-frontends/mt312.c
index fc08429c99b7..961b9a2508e0 100644
--- a/drivers/media/dvb-frontends/mt312.c
+++ b/drivers/media/dvb-frontends/mt312.c
@@ -457,8 +457,8 @@ static int mt312_read_status(struct dvb_frontend *fe, enum fe_status *s)
 	if (ret < 0)
 		return ret;
 
-	dprintk("QPSK_STAT_H: 0x%02x, QPSK_STAT_L: 0x%02x,"
-		" FEC_STATUS: 0x%02x\n", status[0], status[1], status[2]);
+	dprintk("QPSK_STAT_H: 0x%02x, QPSK_STAT_L: 0x%02x, FEC_STATUS: 0x%02x\n",
+		status[0], status[1], status[2]);
 
 	if (status[0] & 0xc0)
 		*s |= FE_HAS_SIGNAL;	/* signal noise ratio */
@@ -748,7 +748,7 @@ static void mt312_release(struct dvb_frontend *fe)
 }
 
 #define MT312_SYS_CLK		90000000UL	/* 90 MHz */
-static struct dvb_frontend_ops mt312_ops = {
+static const struct dvb_frontend_ops mt312_ops = {
 	.delsys = { SYS_DVBS },
 	.info = {
 		.name = "Zarlink ???? DVB-S",
@@ -827,8 +827,7 @@ struct dvb_frontend *mt312_attach(const struct mt312_config *config,
 		state->freq_mult = 9;
 		break;
 	default:
-		printk(KERN_WARNING "Only Zarlink VP310/MT312/ZL10313"
-			" are supported chips.\n");
+		printk(KERN_WARNING "Only Zarlink VP310/MT312/ZL10313 are supported chips.\n");
 		goto error;
 	}
 
diff --git a/drivers/media/dvb-frontends/mt352.c b/drivers/media/dvb-frontends/mt352.c
index c0bb6328956b..48ea0408f02a 100644
--- a/drivers/media/dvb-frontends/mt352.c
+++ b/drivers/media/dvb-frontends/mt352.c
@@ -538,7 +538,7 @@ static void mt352_release(struct dvb_frontend* fe)
 	kfree(state);
 }
 
-static struct dvb_frontend_ops mt352_ops;
+static const struct dvb_frontend_ops mt352_ops;
 
 struct dvb_frontend* mt352_attach(const struct mt352_config* config,
 				  struct i2c_adapter* i2c)
@@ -566,7 +566,7 @@ error:
 	return NULL;
 }
 
-static struct dvb_frontend_ops mt352_ops = {
+static const struct dvb_frontend_ops mt352_ops = {
 	.delsys = { SYS_DVBT },
 	.info = {
 		.name			= "Zarlink MT352 DVB-T",
diff --git a/drivers/media/dvb-frontends/nxt200x.c b/drivers/media/dvb-frontends/nxt200x.c
index 79c3040912ab..2fe40372ca07 100644
--- a/drivers/media/dvb-frontends/nxt200x.c
+++ b/drivers/media/dvb-frontends/nxt200x.c
@@ -289,8 +289,7 @@ static void nxt200x_microcontroller_stop (struct nxt200x_state* state)
 		counter++;
 	}
 
-	pr_warn("Timeout waiting for nxt200x to stop. This is ok after "
-		"firmware upload.\n");
+	pr_warn("Timeout waiting for nxt200x to stop. This is ok after firmware upload.\n");
 	return;
 }
 
@@ -893,8 +892,8 @@ static int nxt2002_init(struct dvb_frontend* fe)
 			       state->i2c->dev.parent);
 	pr_debug("%s: Waiting for firmware upload(2)...\n", __func__);
 	if (ret) {
-		pr_err("%s: No firmware uploaded (timeout or file not found?)"
-		       "\n", __func__);
+		pr_err("%s: No firmware uploaded (timeout or file not found?)\n",
+		       __func__);
 		return ret;
 	}
 
@@ -960,8 +959,8 @@ static int nxt2004_init(struct dvb_frontend* fe)
 			       state->i2c->dev.parent);
 	pr_debug("%s: Waiting for firmware upload(2)...\n", __func__);
 	if (ret) {
-		pr_err("%s: No firmware uploaded (timeout or file not found?)"
-		       "\n", __func__);
+		pr_err("%s: No firmware uploaded (timeout or file not found?)\n",
+		       __func__);
 		return ret;
 	}
 
@@ -1150,7 +1149,7 @@ static void nxt200x_release(struct dvb_frontend* fe)
 	kfree(state);
 }
 
-static struct dvb_frontend_ops nxt200x_ops;
+static const struct dvb_frontend_ops nxt200x_ops;
 
 struct dvb_frontend* nxt200x_attach(const struct nxt200x_config* config,
 				   struct i2c_adapter* i2c)
@@ -1213,7 +1212,7 @@ error:
 	return NULL;
 }
 
-static struct dvb_frontend_ops nxt200x_ops = {
+static const struct dvb_frontend_ops nxt200x_ops = {
 	.delsys = { SYS_ATSC, SYS_DVBC_ANNEX_B },
 	.info = {
 		.name = "Nextwave NXT200X VSB/QAM frontend",
diff --git a/drivers/media/dvb-frontends/nxt6000.c b/drivers/media/dvb-frontends/nxt6000.c
index 73f9505367ac..1ce5ea28489b 100644
--- a/drivers/media/dvb-frontends/nxt6000.c
+++ b/drivers/media/dvb-frontends/nxt6000.c
@@ -19,6 +19,8 @@
     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/init.h>
 #include <linux/kernel.h>
 #include <linux/module.h>
@@ -39,7 +41,11 @@ struct nxt6000_state {
 };
 
 static int debug;
-#define dprintk if (debug) printk
+#define dprintk(fmt, arg...) do {					\
+	if (debug)							\
+		printk(KERN_DEBUG pr_fmt("%s: " fmt),			\
+		       __func__, ##arg);				\
+} while (0)
 
 static int nxt6000_writereg(struct nxt6000_state* state, u8 reg, u8 data)
 {
@@ -215,119 +221,129 @@ static void nxt6000_dump_status(struct nxt6000_state *state)
 {
 	u8 val;
 
-/*
-	printk("RS_COR_STAT: 0x%02X\n", nxt6000_readreg(fe, RS_COR_STAT));
-	printk("VIT_SYNC_STATUS: 0x%02X\n", nxt6000_readreg(fe, VIT_SYNC_STATUS));
-	printk("OFDM_COR_STAT: 0x%02X\n", nxt6000_readreg(fe, OFDM_COR_STAT));
-	printk("OFDM_SYR_STAT: 0x%02X\n", nxt6000_readreg(fe, OFDM_SYR_STAT));
-	printk("OFDM_TPS_RCVD_1: 0x%02X\n", nxt6000_readreg(fe, OFDM_TPS_RCVD_1));
-	printk("OFDM_TPS_RCVD_2: 0x%02X\n", nxt6000_readreg(fe, OFDM_TPS_RCVD_2));
-	printk("OFDM_TPS_RCVD_3: 0x%02X\n", nxt6000_readreg(fe, OFDM_TPS_RCVD_3));
-	printk("OFDM_TPS_RCVD_4: 0x%02X\n", nxt6000_readreg(fe, OFDM_TPS_RCVD_4));
-	printk("OFDM_TPS_RESERVED_1: 0x%02X\n", nxt6000_readreg(fe, OFDM_TPS_RESERVED_1));
-	printk("OFDM_TPS_RESERVED_2: 0x%02X\n", nxt6000_readreg(fe, OFDM_TPS_RESERVED_2));
-*/
-	printk("NXT6000 status:");
+#if 0
+	pr_info("RS_COR_STAT: 0x%02X\n",
+		nxt6000_readreg(fe, RS_COR_STAT));
+	pr_info("VIT_SYNC_STATUS: 0x%02X\n",
+		nxt6000_readreg(fe, VIT_SYNC_STATUS));
+	pr_info("OFDM_COR_STAT: 0x%02X\n",
+		nxt6000_readreg(fe, OFDM_COR_STAT));
+	pr_info("OFDM_SYR_STAT: 0x%02X\n",
+		nxt6000_readreg(fe, OFDM_SYR_STAT));
+	pr_info("OFDM_TPS_RCVD_1: 0x%02X\n",
+		nxt6000_readreg(fe, OFDM_TPS_RCVD_1));
+	pr_info("OFDM_TPS_RCVD_2: 0x%02X\n",
+		nxt6000_readreg(fe, OFDM_TPS_RCVD_2));
+	pr_info("OFDM_TPS_RCVD_3: 0x%02X\n",
+		nxt6000_readreg(fe, OFDM_TPS_RCVD_3));
+	pr_info("OFDM_TPS_RCVD_4: 0x%02X\n",
+		nxt6000_readreg(fe, OFDM_TPS_RCVD_4));
+	pr_info("OFDM_TPS_RESERVED_1: 0x%02X\n",
+		nxt6000_readreg(fe, OFDM_TPS_RESERVED_1));
+	pr_info("OFDM_TPS_RESERVED_2: 0x%02X\n",
+		nxt6000_readreg(fe, OFDM_TPS_RESERVED_2));
+#endif
+	pr_info("NXT6000 status:");
 
 	val = nxt6000_readreg(state, RS_COR_STAT);
 
-	printk(" DATA DESCR LOCK: %d,", val & 0x01);
-	printk(" DATA SYNC LOCK: %d,", (val >> 1) & 0x01);
+	pr_cont(" DATA DESCR LOCK: %d,", val & 0x01);
+	pr_cont(" DATA SYNC LOCK: %d,", (val >> 1) & 0x01);
 
 	val = nxt6000_readreg(state, VIT_SYNC_STATUS);
 
-	printk(" VITERBI LOCK: %d,", (val >> 7) & 0x01);
+	pr_cont(" VITERBI LOCK: %d,", (val >> 7) & 0x01);
 
 	switch ((val >> 4) & 0x07) {
 
 	case 0x00:
-		printk(" VITERBI CODERATE: 1/2,");
+		pr_cont(" VITERBI CODERATE: 1/2,");
 		break;
 
 	case 0x01:
-		printk(" VITERBI CODERATE: 2/3,");
+		pr_cont(" VITERBI CODERATE: 2/3,");
 		break;
 
 	case 0x02:
-		printk(" VITERBI CODERATE: 3/4,");
+		pr_cont(" VITERBI CODERATE: 3/4,");
 		break;
 
 	case 0x03:
-		printk(" VITERBI CODERATE: 5/6,");
+		pr_cont(" VITERBI CODERATE: 5/6,");
 		break;
 
 	case 0x04:
-		printk(" VITERBI CODERATE: 7/8,");
+		pr_cont(" VITERBI CODERATE: 7/8,");
 		break;
 
 	default:
-		printk(" VITERBI CODERATE: Reserved,");
+		pr_cont(" VITERBI CODERATE: Reserved,");
 
 	}
 
 	val = nxt6000_readreg(state, OFDM_COR_STAT);
 
-	printk(" CHCTrack: %d,", (val >> 7) & 0x01);
-	printk(" TPSLock: %d,", (val >> 6) & 0x01);
-	printk(" SYRLock: %d,", (val >> 5) & 0x01);
-	printk(" AGCLock: %d,", (val >> 4) & 0x01);
+	pr_cont(" CHCTrack: %d,", (val >> 7) & 0x01);
+	pr_cont(" TPSLock: %d,", (val >> 6) & 0x01);
+	pr_cont(" SYRLock: %d,", (val >> 5) & 0x01);
+	pr_cont(" AGCLock: %d,", (val >> 4) & 0x01);
 
 	switch (val & 0x0F) {
 
 	case 0x00:
-		printk(" CoreState: IDLE,");
+		pr_cont(" CoreState: IDLE,");
 		break;
 
 	case 0x02:
-		printk(" CoreState: WAIT_AGC,");
+		pr_cont(" CoreState: WAIT_AGC,");
 		break;
 
 	case 0x03:
-		printk(" CoreState: WAIT_SYR,");
+		pr_cont(" CoreState: WAIT_SYR,");
 		break;
 
 	case 0x04:
-		printk(" CoreState: WAIT_PPM,");
+		pr_cont(" CoreState: WAIT_PPM,");
 		break;
 
 	case 0x01:
-		printk(" CoreState: WAIT_TRL,");
+		pr_cont(" CoreState: WAIT_TRL,");
 		break;
 
 	case 0x05:
-		printk(" CoreState: WAIT_TPS,");
+		pr_cont(" CoreState: WAIT_TPS,");
 		break;
 
 	case 0x06:
-		printk(" CoreState: MONITOR_TPS,");
+		pr_cont(" CoreState: MONITOR_TPS,");
 		break;
 
 	default:
-		printk(" CoreState: Reserved,");
+		pr_cont(" CoreState: Reserved,");
 
 	}
 
 	val = nxt6000_readreg(state, OFDM_SYR_STAT);
 
-	printk(" SYRLock: %d,", (val >> 4) & 0x01);
-	printk(" SYRMode: %s,", (val >> 2) & 0x01 ? "8K" : "2K");
+	pr_cont(" SYRLock: %d,", (val >> 4) & 0x01);
+	pr_cont(" SYRMode: %s,", (val >> 2) & 0x01 ? "8K" : "2K");
 
 	switch ((val >> 4) & 0x03) {
 
 	case 0x00:
-		printk(" SYRGuard: 1/32,");
+		pr_cont(" SYRGuard: 1/32,");
 		break;
 
 	case 0x01:
-		printk(" SYRGuard: 1/16,");
+		pr_cont(" SYRGuard: 1/16,");
 		break;
 
 	case 0x02:
-		printk(" SYRGuard: 1/8,");
+		pr_cont(" SYRGuard: 1/8,");
 		break;
 
 	case 0x03:
-		printk(" SYRGuard: 1/4,");
+		pr_cont(" SYRGuard: 1/4,");
 		break;
 	}
 
@@ -336,77 +352,77 @@ static void nxt6000_dump_status(struct nxt6000_state *state)
 	switch ((val >> 4) & 0x07) {
 
 	case 0x00:
-		printk(" TPSLP: 1/2,");
+		pr_cont(" TPSLP: 1/2,");
 		break;
 
 	case 0x01:
-		printk(" TPSLP: 2/3,");
+		pr_cont(" TPSLP: 2/3,");
 		break;
 
 	case 0x02:
-		printk(" TPSLP: 3/4,");
+		pr_cont(" TPSLP: 3/4,");
 		break;
 
 	case 0x03:
-		printk(" TPSLP: 5/6,");
+		pr_cont(" TPSLP: 5/6,");
 		break;
 
 	case 0x04:
-		printk(" TPSLP: 7/8,");
+		pr_cont(" TPSLP: 7/8,");
 		break;
 
 	default:
-		printk(" TPSLP: Reserved,");
+		pr_cont(" TPSLP: Reserved,");
 
 	}
 
 	switch (val & 0x07) {
 
 	case 0x00:
-		printk(" TPSHP: 1/2,");
+		pr_cont(" TPSHP: 1/2,");
 		break;
 
 	case 0x01:
-		printk(" TPSHP: 2/3,");
+		pr_cont(" TPSHP: 2/3,");
 		break;
 
 	case 0x02:
-		printk(" TPSHP: 3/4,");
+		pr_cont(" TPSHP: 3/4,");
 		break;
 
 	case 0x03:
-		printk(" TPSHP: 5/6,");
+		pr_cont(" TPSHP: 5/6,");
 		break;
 
 	case 0x04:
-		printk(" TPSHP: 7/8,");
+		pr_cont(" TPSHP: 7/8,");
 		break;
 
 	default:
-		printk(" TPSHP: Reserved,");
+		pr_cont(" TPSHP: Reserved,");
 
 	}
 
 	val = nxt6000_readreg(state, OFDM_TPS_RCVD_4);
 
-	printk(" TPSMode: %s,", val & 0x01 ? "8K" : "2K");
+	pr_cont(" TPSMode: %s,", val & 0x01 ? "8K" : "2K");
 
 	switch ((val >> 4) & 0x03) {
 
 	case 0x00:
-		printk(" TPSGuard: 1/32,");
+		pr_cont(" TPSGuard: 1/32,");
 		break;
 
 	case 0x01:
-		printk(" TPSGuard: 1/16,");
+		pr_cont(" TPSGuard: 1/16,");
 		break;
 
 	case 0x02:
-		printk(" TPSGuard: 1/8,");
+		pr_cont(" TPSGuard: 1/8,");
 		break;
 
 	case 0x03:
-		printk(" TPSGuard: 1/4,");
+		pr_cont(" TPSGuard: 1/4,");
 		break;
 
 	}
@@ -416,8 +432,8 @@ static void nxt6000_dump_status(struct nxt6000_state *state)
 	val = nxt6000_readreg(state, RF_AGC_STATUS);
 	val = nxt6000_readreg(state, RF_AGC_STATUS);
 
-	printk(" RF AGC LOCK: %d,", (val >> 4) & 0x01);
-	printk("\n");
+	pr_cont(" RF AGC LOCK: %d,", (val >> 4) & 0x01);
+	pr_cont("\n");
 }
 
 static int nxt6000_read_status(struct dvb_frontend *fe, enum fe_status *status)
@@ -548,7 +564,7 @@ static int nxt6000_i2c_gate_ctrl(struct dvb_frontend* fe, int enable)
 	}
 }
 
-static struct dvb_frontend_ops nxt6000_ops;
+static const struct dvb_frontend_ops nxt6000_ops;
 
 struct dvb_frontend* nxt6000_attach(const struct nxt6000_config* config,
 				    struct i2c_adapter* i2c)
@@ -576,7 +592,7 @@ error:
 	return NULL;
 }
 
-static struct dvb_frontend_ops nxt6000_ops = {
+static const struct dvb_frontend_ops nxt6000_ops = {
 	.delsys = { SYS_DVBT },
 	.info = {
 		.name = "NxtWave NXT6000 DVB-T",
diff --git a/drivers/media/dvb-frontends/or51132.c b/drivers/media/dvb-frontends/or51132.c
index a165af990672..17bdadd7d0e1 100644
--- a/drivers/media/dvb-frontends/or51132.c
+++ b/drivers/media/dvb-frontends/or51132.c
@@ -342,15 +342,13 @@ static int or51132_set_parameters(struct dvb_frontend *fe)
 		       fwname);
 		ret = request_firmware(&fw, fwname, state->i2c->dev.parent);
 		if (ret) {
-			printk(KERN_WARNING "or51132: No firmware up"
-			       "loaded(timeout or file not found?)\n");
+			printk(KERN_WARNING "or51132: No firmware uploaded(timeout or file not found?)\n");
 			return ret;
 		}
 		ret = or51132_load_firmware(fe, fw);
 		release_firmware(fw);
 		if (ret) {
-			printk(KERN_WARNING "or51132: Writing firmware to "
-			       "device failed!\n");
+			printk(KERN_WARNING "or51132: Writing firmware to device failed!\n");
 			return ret;
 		}
 		printk("or51132: Firmware upload complete.\n");
@@ -561,7 +559,7 @@ static void or51132_release(struct dvb_frontend* fe)
 	kfree(state);
 }
 
-static struct dvb_frontend_ops or51132_ops;
+static const struct dvb_frontend_ops or51132_ops;
 
 struct dvb_frontend* or51132_attach(const struct or51132_config* config,
 				    struct i2c_adapter* i2c)
@@ -585,7 +583,7 @@ struct dvb_frontend* or51132_attach(const struct or51132_config* config,
 	return &state->frontend;
 }
 
-static struct dvb_frontend_ops or51132_ops = {
+static const struct dvb_frontend_ops or51132_ops = {
 	.delsys = { SYS_ATSC, SYS_DVBC_ANNEX_B },
 	.info = {
 		.name			= "Oren OR51132 VSB/QAM Frontend",
diff --git a/drivers/media/dvb-frontends/or51211.c b/drivers/media/dvb-frontends/or51211.c
index e82413b975e6..27eb73aa4f62 100644
--- a/drivers/media/dvb-frontends/or51211.c
+++ b/drivers/media/dvb-frontends/or51211.c
@@ -377,8 +377,7 @@ static int or51211_init(struct dvb_frontend* fe)
 					       OR51211_DEFAULT_FIRMWARE);
 		pr_info("Got Hotplug firmware\n");
 		if (ret) {
-			pr_warn("No firmware uploaded "
-				"(timeout or file not found?)\n");
+			pr_warn("No firmware uploaded (timeout or file not found?)\n");
 			return ret;
 		}
 
@@ -508,7 +507,7 @@ static void or51211_release(struct dvb_frontend* fe)
 	kfree(state);
 }
 
-static struct dvb_frontend_ops or51211_ops;
+static const struct dvb_frontend_ops or51211_ops;
 
 struct dvb_frontend* or51211_attach(const struct or51211_config* config,
 				    struct i2c_adapter* i2c)
@@ -532,7 +531,7 @@ struct dvb_frontend* or51211_attach(const struct or51211_config* config,
 	return &state->frontend;
 }
 
-static struct dvb_frontend_ops or51211_ops = {
+static const struct dvb_frontend_ops or51211_ops = {
 	.delsys = { SYS_ATSC, SYS_DVBC_ANNEX_B },
 	.info = {
 		.name               = "Oren OR51211 VSB Frontend",
diff --git a/drivers/media/dvb-frontends/rtl2830.c b/drivers/media/dvb-frontends/rtl2830.c
index 87226056f226..7bbfe11d11ed 100644
--- a/drivers/media/dvb-frontends/rtl2830.c
+++ b/drivers/media/dvb-frontends/rtl2830.c
@@ -548,7 +548,7 @@ static int rtl2830_read_signal_strength(struct dvb_frontend *fe, u16 *strength)
 	return 0;
 }
 
-static struct dvb_frontend_ops rtl2830_ops = {
+static const struct dvb_frontend_ops rtl2830_ops = {
 	.delsys = {SYS_DVBT},
 	.info = {
 		.name = "Realtek RTL2830 (DVB-T)",
diff --git a/drivers/media/dvb-frontends/rtl2832.c b/drivers/media/dvb-frontends/rtl2832.c
index 0ced01f1012e..94bf5b7d6f3f 100644
--- a/drivers/media/dvb-frontends/rtl2832.c
+++ b/drivers/media/dvb-frontends/rtl2832.c
@@ -837,7 +837,7 @@ static int rtl2832_deselect(struct i2c_mux_core *muxc, u32 chan_id)
 	return 0;
 }
 
-static struct dvb_frontend_ops rtl2832_ops = {
+static const struct dvb_frontend_ops rtl2832_ops = {
 	.delsys = { SYS_DVBT },
 	.info = {
 		.name = "Realtek RTL2832 (DVB-T)",
diff --git a/drivers/media/dvb-frontends/s5h1409.c b/drivers/media/dvb-frontends/s5h1409.c
index c68965ad97c0..f370c6df0a8b 100644
--- a/drivers/media/dvb-frontends/s5h1409.c
+++ b/drivers/media/dvb-frontends/s5h1409.c
@@ -321,8 +321,8 @@ static int s5h1409_writereg(struct s5h1409_state *state, u8 reg, u16 data)
 	ret = i2c_transfer(state->i2c, &msg, 1);
 
 	if (ret != 1)
-		printk(KERN_ERR "%s: error (reg == 0x%02x, val == 0x%04x, "
-		       "ret == %i)\n", __func__, reg, data, ret);
+		printk(KERN_ERR "%s: error (reg == 0x%02x, val == 0x%04x, ret == %i)\n",
+		       __func__, reg, data, ret);
 
 	return (ret != 1) ? -1 : 0;
 }
@@ -949,7 +949,7 @@ static void s5h1409_release(struct dvb_frontend *fe)
 	kfree(state);
 }
 
-static struct dvb_frontend_ops s5h1409_ops;
+static const struct dvb_frontend_ops s5h1409_ops;
 
 struct dvb_frontend *s5h1409_attach(const struct s5h1409_config *config,
 				    struct i2c_adapter *i2c)
@@ -995,7 +995,7 @@ error:
 }
 EXPORT_SYMBOL(s5h1409_attach);
 
-static struct dvb_frontend_ops s5h1409_ops = {
+static const struct dvb_frontend_ops s5h1409_ops = {
 	.delsys = { SYS_ATSC, SYS_DVBC_ANNEX_B },
 	.info = {
 		.name			= "Samsung S5H1409 QAM/8VSB Frontend",
diff --git a/drivers/media/dvb-frontends/s5h1411.c b/drivers/media/dvb-frontends/s5h1411.c
index 90f86e82b087..f29750a96196 100644
--- a/drivers/media/dvb-frontends/s5h1411.c
+++ b/drivers/media/dvb-frontends/s5h1411.c
@@ -350,8 +350,8 @@ static int s5h1411_writereg(struct s5h1411_state *state,
 	ret = i2c_transfer(state->i2c, &msg, 1);
 
 	if (ret != 1)
-		printk(KERN_ERR "%s: writereg error 0x%02x 0x%02x 0x%04x, "
-		       "ret == %i)\n", __func__, addr, reg, data, ret);
+		printk(KERN_ERR "%s: writereg error 0x%02x 0x%02x 0x%04x, ret == %i)\n",
+		       __func__, addr, reg, data, ret);
 
 	return (ret != 1) ? -1 : 0;
 }
@@ -864,7 +864,7 @@ static void s5h1411_release(struct dvb_frontend *fe)
 	kfree(state);
 }
 
-static struct dvb_frontend_ops s5h1411_ops;
+static const struct dvb_frontend_ops s5h1411_ops;
 
 struct dvb_frontend *s5h1411_attach(const struct s5h1411_config *config,
 				    struct i2c_adapter *i2c)
@@ -914,7 +914,7 @@ error:
 }
 EXPORT_SYMBOL(s5h1411_attach);
 
-static struct dvb_frontend_ops s5h1411_ops = {
+static const struct dvb_frontend_ops s5h1411_ops = {
 	.delsys = { SYS_ATSC, SYS_DVBC_ANNEX_B },
 	.info = {
 		.name			= "Samsung S5H1411 QAM/8VSB Frontend",
diff --git a/drivers/media/dvb-frontends/s5h1420.c b/drivers/media/dvb-frontends/s5h1420.c
index d7d0b7d57ad7..f9a18fe94d88 100644
--- a/drivers/media/dvb-frontends/s5h1420.c
+++ b/drivers/media/dvb-frontends/s5h1420.c
@@ -880,7 +880,7 @@ struct i2c_adapter *s5h1420_get_tuner_i2c_adapter(struct dvb_frontend *fe)
 }
 EXPORT_SYMBOL(s5h1420_get_tuner_i2c_adapter);
 
-static struct dvb_frontend_ops s5h1420_ops;
+static const struct dvb_frontend_ops s5h1420_ops;
 
 struct dvb_frontend *s5h1420_attach(const struct s5h1420_config *config,
 				    struct i2c_adapter *i2c)
@@ -934,7 +934,7 @@ error:
 }
 EXPORT_SYMBOL(s5h1420_attach);
 
-static struct dvb_frontend_ops s5h1420_ops = {
+static const struct dvb_frontend_ops s5h1420_ops = {
 	.delsys = { SYS_DVBS },
 	.info = {
 		.name     = "Samsung S5H1420/PnpNetwork PN1010 DVB-S",
diff --git a/drivers/media/dvb-frontends/s5h1432.c b/drivers/media/dvb-frontends/s5h1432.c
index 4215652f8eb7..a32fd9bc51a9 100644
--- a/drivers/media/dvb-frontends/s5h1432.c
+++ b/drivers/media/dvb-frontends/s5h1432.c
@@ -63,8 +63,8 @@ static int s5h1432_writereg(struct s5h1432_state *state,
 	ret = i2c_transfer(state->i2c, &msg, 1);
 
 	if (ret != 1)
-		printk(KERN_ERR "%s: writereg error 0x%02x 0x%02x 0x%04x, "
-		       "ret == %i)\n", __func__, addr, reg, data, ret);
+		printk(KERN_ERR "%s: writereg error 0x%02x 0x%02x 0x%04x, ret == %i)\n",
+		       __func__, addr, reg, data, ret);
 
 	return (ret != 1) ? -1 : 0;
 }
@@ -341,7 +341,7 @@ static void s5h1432_release(struct dvb_frontend *fe)
 	kfree(state);
 }
 
-static struct dvb_frontend_ops s5h1432_ops;
+static const struct dvb_frontend_ops s5h1432_ops;
 
 struct dvb_frontend *s5h1432_attach(const struct s5h1432_config *config,
 				    struct i2c_adapter *i2c)
@@ -370,7 +370,7 @@ struct dvb_frontend *s5h1432_attach(const struct s5h1432_config *config,
 }
 EXPORT_SYMBOL(s5h1432_attach);
 
-static struct dvb_frontend_ops s5h1432_ops = {
+static const struct dvb_frontend_ops s5h1432_ops = {
 	.delsys = { SYS_DVBT },
 	.info = {
 		 .name = "Samsung s5h1432 DVB-T Frontend",
diff --git a/drivers/media/dvb-frontends/s921.c b/drivers/media/dvb-frontends/s921.c
index b5e3d90eba5e..274544a3ae0e 100644
--- a/drivers/media/dvb-frontends/s921.c
+++ b/drivers/media/dvb-frontends/s921.c
@@ -214,8 +214,8 @@ static int s921_i2c_writereg(struct s921_state *state,
 
 	rc = i2c_transfer(state->i2c, &msg, 1);
 	if (rc != 1) {
-		printk("%s: writereg rcor(rc == %i, reg == 0x%02x,"
-			 " data == 0x%02x)\n", __func__, rc, reg, data);
+		printk("%s: writereg rcor(rc == %i, reg == 0x%02x, data == 0x%02x)\n",
+		       __func__, rc, reg, data);
 		return rc;
 	}
 
@@ -477,7 +477,7 @@ static void s921_release(struct dvb_frontend *fe)
 	kfree(state);
 }
 
-static struct dvb_frontend_ops s921_ops;
+static const struct dvb_frontend_ops s921_ops;
 
 struct dvb_frontend *s921_attach(const struct s921_config *config,
 				    struct i2c_adapter *i2c)
@@ -505,7 +505,7 @@ struct dvb_frontend *s921_attach(const struct s921_config *config,
 }
 EXPORT_SYMBOL(s921_attach);
 
-static struct dvb_frontend_ops s921_ops = {
+static const struct dvb_frontend_ops s921_ops = {
 	.delsys = { SYS_ISDBT },
 	/* Use dib8000 values per default */
 	.info = {
diff --git a/drivers/media/dvb-frontends/si2165.c b/drivers/media/dvb-frontends/si2165.c
index 78669ea68c61..528b82a5dd46 100644
--- a/drivers/media/dvb-frontends/si2165.c
+++ b/drivers/media/dvb-frontends/si2165.c
@@ -978,7 +978,7 @@ static int si2165_set_frontend(struct dvb_frontend *fe)
 	return 0;
 }
 
-static struct dvb_frontend_ops si2165_ops = {
+static const struct dvb_frontend_ops si2165_ops = {
 	.info = {
 		.name = "Silicon Labs ",
 		 /* For DVB-C */
diff --git a/drivers/media/dvb-frontends/si21xx.c b/drivers/media/dvb-frontends/si21xx.c
index 62ad7a7be9f8..4e8c3ac4303f 100644
--- a/drivers/media/dvb-frontends/si21xx.c
+++ b/drivers/media/dvb-frontends/si21xx.c
@@ -245,8 +245,8 @@ static int si21_writeregs(struct si21xx_state *state, u8 reg1,
 	ret = i2c_transfer(state->i2c, &msg, 1);
 
 	if (ret != 1)
-		dprintk("%s: writereg error (reg1 == 0x%02x, data == 0x%02x, "
-			"ret == %i)\n", __func__, reg1, data[0], ret);
+		dprintk("%s: writereg error (reg1 == 0x%02x, data == 0x%02x, ret == %i)\n",
+			__func__, reg1, data[0], ret);
 
 	return (ret != 1) ? -EREMOTEIO : 0;
 }
@@ -265,8 +265,8 @@ static int si21_writereg(struct si21xx_state *state, u8 reg, u8 data)
 	ret = i2c_transfer(state->i2c, &msg, 1);
 
 	if (ret != 1)
-		dprintk("%s: writereg error (reg == 0x%02x, data == 0x%02x, "
-			"ret == %i)\n", __func__, reg, data, ret);
+		dprintk("%s: writereg error (reg == 0x%02x, data == 0x%02x, ret == %i)\n",
+			__func__, reg, data, ret);
 
 	return (ret != 1) ? -EREMOTEIO : 0;
 }
@@ -866,7 +866,7 @@ static void si21xx_release(struct dvb_frontend *fe)
 	kfree(state);
 }
 
-static struct dvb_frontend_ops si21xx_ops = {
+static const struct dvb_frontend_ops si21xx_ops = {
 	.delsys = { SYS_DVBS },
 	.info = {
 		.name			= "SL SI21XX DVB-S",
diff --git a/drivers/media/dvb-frontends/sp8870.c b/drivers/media/dvb-frontends/sp8870.c
index e87ac30d7fb8..04454cb78467 100644
--- a/drivers/media/dvb-frontends/sp8870.c
+++ b/drivers/media/dvb-frontends/sp8870.c
@@ -551,7 +551,7 @@ static void sp8870_release(struct dvb_frontend* fe)
 	kfree(state);
 }
 
-static struct dvb_frontend_ops sp8870_ops;
+static const struct dvb_frontend_ops sp8870_ops;
 
 struct dvb_frontend* sp8870_attach(const struct sp8870_config* config,
 				   struct i2c_adapter* i2c)
@@ -580,7 +580,7 @@ error:
 	return NULL;
 }
 
-static struct dvb_frontend_ops sp8870_ops = {
+static const struct dvb_frontend_ops sp8870_ops = {
 	.delsys = { SYS_DVBT },
 	.info = {
 		.name			= "Spase SP8870 DVB-T",
diff --git a/drivers/media/dvb-frontends/sp887x.c b/drivers/media/dvb-frontends/sp887x.c
index 4378fe1b978e..7c511c3cd4ca 100644
--- a/drivers/media/dvb-frontends/sp887x.c
+++ b/drivers/media/dvb-frontends/sp887x.c
@@ -63,8 +63,7 @@ static int sp887x_writereg (struct sp887x_state* state, u16 reg, u16 data)
 		if (!(reg == 0xf1a && data == 0x000 &&
 			(ret == -EREMOTEIO || ret == -EFAULT)))
 		{
-			printk("%s: writereg error "
-			       "(reg %03x, data %03x, ret == %i)\n",
+			printk("%s: writereg error (reg %03x, data %03x, ret == %i)\n",
 			       __func__, reg & 0xffff, data & 0xffff, ret);
 			return ret;
 		}
@@ -562,7 +561,7 @@ static void sp887x_release(struct dvb_frontend* fe)
 	kfree(state);
 }
 
-static struct dvb_frontend_ops sp887x_ops;
+static const struct dvb_frontend_ops sp887x_ops;
 
 struct dvb_frontend* sp887x_attach(const struct sp887x_config* config,
 				   struct i2c_adapter* i2c)
@@ -591,7 +590,7 @@ error:
 	return NULL;
 }
 
-static struct dvb_frontend_ops sp887x_ops = {
+static const struct dvb_frontend_ops sp887x_ops = {
 	.delsys = { SYS_DVBT },
 	.info = {
 		.name = "Spase SP887x DVB-T",
diff --git a/drivers/media/dvb-frontends/stb0899_drv.c b/drivers/media/dvb-frontends/stb0899_drv.c
index 3d171b0e00c2..02347598277a 100644
--- a/drivers/media/dvb-frontends/stb0899_drv.c
+++ b/drivers/media/dvb-frontends/stb0899_drv.c
@@ -485,15 +485,8 @@ int stb0899_read_regs(struct stb0899_state *state, unsigned int reg, u8 *buf, u3
 	    (((reg & 0xff00) == 0xf200) || ((reg & 0xff00) == 0xf600)))
 		_stb0899_read_reg(state, (reg | 0x00ff));
 
-	if (unlikely(*state->verbose >= FE_DEBUGREG)) {
-		int i;
-
-		printk(KERN_DEBUG "%s [0x%04x]:", __func__, reg);
-		for (i = 0; i < count; i++) {
-			printk(" %02x", buf[i]);
-		}
-		printk("\n");
-	}
+	dprintk(state->verbose, FE_DEBUGREG, 1,
+		"%s [0x%04x]: %*ph", __func__, reg, count, buf);
 
 	return 0;
 err:
@@ -522,14 +515,8 @@ int stb0899_write_regs(struct stb0899_state *state, unsigned int reg, u8 *data,
 	buf[1] = reg & 0xff;
 	memcpy(&buf[2], data, count);
 
-	if (unlikely(*state->verbose >= FE_DEBUGREG)) {
-		int i;
-
-		printk(KERN_DEBUG "%s [0x%04x]:", __func__, reg);
-		for (i = 0; i < count; i++)
-			printk(" %02x", data[i]);
-		printk("\n");
-	}
+	dprintk(state->verbose, FE_DEBUGREG, 1,
+		"%s [0x%04x]: %*ph", __func__, reg, count, data);
 	ret = i2c_transfer(state->i2c, &i2c_msg, 1);
 
 	/*
@@ -614,13 +601,19 @@ static int stb0899_postproc(struct stb0899_state *state, u8 ctl, int enable)
 	return 0;
 }
 
-static void stb0899_release(struct dvb_frontend *fe)
+static void stb0899_detach(struct dvb_frontend *fe)
 {
 	struct stb0899_state *state = fe->demodulator_priv;
 
-	dprintk(state->verbose, FE_DEBUG, 1, "Release Frontend");
 	/* post process event */
 	stb0899_postproc(state, STB0899_POSTPROC_GPIO_POWER, 0);
+}
+
+static void stb0899_release(struct dvb_frontend *fe)
+{
+	struct stb0899_state *state = fe->demodulator_priv;
+
+	dprintk(state->verbose, FE_DEBUG, 1, "Release Frontend");
 	kfree(state);
 }
 
@@ -1586,7 +1579,7 @@ static enum dvbfe_algo stb0899_frontend_algo(struct dvb_frontend *fe)
 	return DVBFE_ALGO_CUSTOM;
 }
 
-static struct dvb_frontend_ops stb0899_ops = {
+static const struct dvb_frontend_ops stb0899_ops = {
 	.delsys = { SYS_DVBS, SYS_DVBS2, SYS_DSS },
 	.info = {
 		.name 			= "STB0899 Multistandard",
@@ -1603,6 +1596,7 @@ static struct dvb_frontend_ops stb0899_ops = {
 					  FE_CAN_QPSK
 	},
 
+	.detach				= stb0899_detach,
 	.release			= stb0899_release,
 	.init				= stb0899_init,
 	.sleep				= stb0899_sleep,
diff --git a/drivers/media/dvb-frontends/stb6000.c b/drivers/media/dvb-frontends/stb6000.c
index 73347d51f340..69c03892f2da 100644
--- a/drivers/media/dvb-frontends/stb6000.c
+++ b/drivers/media/dvb-frontends/stb6000.c
@@ -41,11 +41,10 @@ struct stb6000_priv {
 	u32 frequency;
 };
 
-static int stb6000_release(struct dvb_frontend *fe)
+static void stb6000_release(struct dvb_frontend *fe)
 {
 	kfree(fe->tuner_priv);
 	fe->tuner_priv = NULL;
-	return 0;
 }
 
 static int stb6000_sleep(struct dvb_frontend *fe)
diff --git a/drivers/media/dvb-frontends/stb6100.c b/drivers/media/dvb-frontends/stb6100.c
index 5add1182c3ca..17a955d0031b 100644
--- a/drivers/media/dvb-frontends/stb6100.c
+++ b/drivers/media/dvb-frontends/stb6100.c
@@ -61,7 +61,7 @@ struct stb6100_lkup {
 	u8   reg;
 };
 
-static int stb6100_release(struct dvb_frontend *fe);
+static void stb6100_release(struct dvb_frontend *fe);
 
 static const struct stb6100_lkup lkup[] = {
 	{       0,  950000, 0x0a },
@@ -560,14 +560,12 @@ struct dvb_frontend *stb6100_attach(struct dvb_frontend *fe,
 	return fe;
 }
 
-static int stb6100_release(struct dvb_frontend *fe)
+static void stb6100_release(struct dvb_frontend *fe)
 {
 	struct stb6100_state *state = fe->tuner_priv;
 
 	fe->tuner_priv = NULL;
 	kfree(state);
-
-	return 0;
 }
 
 EXPORT_SYMBOL(stb6100_attach);
diff --git a/drivers/media/dvb-frontends/stv0288.c b/drivers/media/dvb-frontends/stv0288.c
index c93d9a45f7f7..45cbc898ad25 100644
--- a/drivers/media/dvb-frontends/stv0288.c
+++ b/drivers/media/dvb-frontends/stv0288.c
@@ -74,8 +74,8 @@ static int stv0288_writeregI(struct stv0288_state *state, u8 reg, u8 data)
 	ret = i2c_transfer(state->i2c, &msg, 1);
 
 	if (ret != 1)
-		dprintk("%s: writereg error (reg == 0x%02x, val == 0x%02x, "
-			"ret == %i)\n", __func__, reg, data, ret);
+		dprintk("%s: writereg error (reg == 0x%02x, val == 0x%02x, ret == %i)\n",
+			__func__, reg, data, ret);
 
 	return (ret != 1) ? -EREMOTEIO : 0;
 }
@@ -465,10 +465,9 @@ static int stv0288_set_frontend(struct dvb_frontend *fe)
 	dprintk("%s : FE_SET_FRONTEND\n", __func__);
 
 	if (c->delivery_system != SYS_DVBS) {
-			dprintk("%s: unsupported delivery "
-				"system selected (%d)\n",
-				__func__, c->delivery_system);
-			return -EOPNOTSUPP;
+		dprintk("%s: unsupported delivery system selected (%d)\n",
+			__func__, c->delivery_system);
+		return -EOPNOTSUPP;
 	}
 
 	if (state->config->set_ts_params)
@@ -536,7 +535,7 @@ static void stv0288_release(struct dvb_frontend *fe)
 	kfree(state);
 }
 
-static struct dvb_frontend_ops stv0288_ops = {
+static const struct dvb_frontend_ops stv0288_ops = {
 	.delsys = { SYS_DVBS },
 	.info = {
 		.name			= "ST STV0288 DVB-S",
diff --git a/drivers/media/dvb-frontends/stv0297.c b/drivers/media/dvb-frontends/stv0297.c
index 81b27b7c0c96..db94d4d109f9 100644
--- a/drivers/media/dvb-frontends/stv0297.c
+++ b/drivers/media/dvb-frontends/stv0297.c
@@ -57,8 +57,8 @@ static int stv0297_writereg(struct stv0297_state *state, u8 reg, u8 data)
 	ret = i2c_transfer(state->i2c, &msg, 1);
 
 	if (ret != 1)
-		dprintk("%s: writereg error (reg == 0x%02x, val == 0x%02x, "
-			"ret == %i)\n", __func__, reg, data, ret);
+		dprintk("%s: writereg error (reg == 0x%02x, val == 0x%02x, ret == %i)\n",
+			__func__, reg, data, ret);
 
 	return (ret != 1) ? -1 : 0;
 }
@@ -658,7 +658,7 @@ static void stv0297_release(struct dvb_frontend *fe)
 	kfree(state);
 }
 
-static struct dvb_frontend_ops stv0297_ops;
+static const struct dvb_frontend_ops stv0297_ops;
 
 struct dvb_frontend *stv0297_attach(const struct stv0297_config *config,
 				    struct i2c_adapter *i2c)
@@ -690,7 +690,7 @@ error:
 	return NULL;
 }
 
-static struct dvb_frontend_ops stv0297_ops = {
+static const struct dvb_frontend_ops stv0297_ops = {
 	.delsys = { SYS_DVBC_ANNEX_A },
 	.info = {
 		 .name = "ST STV0297 DVB-C",
diff --git a/drivers/media/dvb-frontends/stv0299.c b/drivers/media/dvb-frontends/stv0299.c
index 7927fa925f2f..b36b21a13201 100644
--- a/drivers/media/dvb-frontends/stv0299.c
+++ b/drivers/media/dvb-frontends/stv0299.c
@@ -88,8 +88,8 @@ static int stv0299_writeregI (struct stv0299_state* state, u8 reg, u8 data)
 	ret = i2c_transfer (state->i2c, &msg, 1);
 
 	if (ret != 1)
-		dprintk("%s: writereg error (reg == 0x%02x, val == 0x%02x, "
-			"ret == %i)\n", __func__, reg, data, ret);
+		dprintk("%s: writereg error (reg == 0x%02x, val == 0x%02x, ret == %i)\n",
+			__func__, reg, data, ret);
 
 	return (ret != 1) ? -EREMOTEIO : 0;
 }
@@ -673,7 +673,7 @@ static void stv0299_release(struct dvb_frontend* fe)
 	kfree(state);
 }
 
-static struct dvb_frontend_ops stv0299_ops;
+static const struct dvb_frontend_ops stv0299_ops;
 
 struct dvb_frontend* stv0299_attach(const struct stv0299_config* config,
 				    struct i2c_adapter* i2c)
@@ -713,7 +713,7 @@ error:
 	return NULL;
 }
 
-static struct dvb_frontend_ops stv0299_ops = {
+static const struct dvb_frontend_ops stv0299_ops = {
 	.delsys = { SYS_DVBS },
 	.info = {
 		.name			= "ST STV0299 DVB-S",
@@ -761,8 +761,7 @@ module_param(debug, int, 0644);
 MODULE_PARM_DESC(debug, "Turn on/off frontend debugging (default:off).");
 
 MODULE_DESCRIPTION("ST STV0299 DVB Demodulator driver");
-MODULE_AUTHOR("Ralph Metzler, Holger Waechtler, Peter Schildmann, Felix Domke, "
-	      "Andreas Oberritter, Andrew de Quincey, Kenneth Aafly");
+MODULE_AUTHOR("Ralph Metzler, Holger Waechtler, Peter Schildmann, Felix Domke, Andreas Oberritter, Andrew de Quincey, Kenneth Aafly");
 MODULE_LICENSE("GPL");
 
 EXPORT_SYMBOL(stv0299_attach);
diff --git a/drivers/media/dvb-frontends/stv0367.c b/drivers/media/dvb-frontends/stv0367.c
index abc379aea713..4ac1ce2831ba 100644
--- a/drivers/media/dvb-frontends/stv0367.c
+++ b/drivers/media/dvb-frontends/stv0367.c
@@ -2272,7 +2272,7 @@ static void stv0367_release(struct dvb_frontend *fe)
 	kfree(state);
 }
 
-static struct dvb_frontend_ops stv0367ter_ops = {
+static const struct dvb_frontend_ops stv0367ter_ops = {
 	.delsys = { SYS_DVBT },
 	.info = {
 		.name			= "ST STV0367 DVB-T",
@@ -3390,7 +3390,7 @@ static int stv0367cab_read_ucblcks(struct dvb_frontend *fe, u32 *ucblocks)
 	return 0;
 };
 
-static struct dvb_frontend_ops stv0367cab_ops = {
+static const struct dvb_frontend_ops stv0367cab_ops = {
 	.delsys = { SYS_DVBC_ANNEX_A },
 	.info = {
 		.name = "ST STV0367 DVB-C",
diff --git a/drivers/media/dvb-frontends/stv0900_core.c b/drivers/media/dvb-frontends/stv0900_core.c
index f667005a6661..43a0f69b4b14 100644
--- a/drivers/media/dvb-frontends/stv0900_core.c
+++ b/drivers/media/dvb-frontends/stv0900_core.c
@@ -1875,7 +1875,7 @@ static int stv0900_get_frontend(struct dvb_frontend *fe,
 	return 0;
 }
 
-static struct dvb_frontend_ops stv0900_ops = {
+static const struct dvb_frontend_ops stv0900_ops = {
 	.delsys = { SYS_DVBS, SYS_DVBS2, SYS_DSS },
 	.info = {
 		.name			= "STV0900 frontend",
diff --git a/drivers/media/dvb-frontends/stv0900_sw.c b/drivers/media/dvb-frontends/stv0900_sw.c
index fa63a9e929ce..bded82774f4b 100644
--- a/drivers/media/dvb-frontends/stv0900_sw.c
+++ b/drivers/media/dvb-frontends/stv0900_sw.c
@@ -1485,8 +1485,7 @@ static u32 stv0900_search_srate_coarse(struct dvb_frontend *fe)
 		current_step++;
 		direction *= -1;
 
-		dprintk("lock: I2C_DEMOD_MODE_FIELD =0. Search started."
-			" tuner freq=%d agc2=0x%x srate_coarse=%d tmg_cpt=%d\n",
+		dprintk("lock: I2C_DEMOD_MODE_FIELD =0. Search started. tuner freq=%d agc2=0x%x srate_coarse=%d tmg_cpt=%d\n",
 			tuner_freq, agc2_integr, coarse_srate, timingcpt);
 
 		if ((timingcpt >= 5) &&
diff --git a/drivers/media/dvb-frontends/stv090x.c b/drivers/media/dvb-frontends/stv090x.c
index 25bdf6e0f963..7ef469c0c866 100644
--- a/drivers/media/dvb-frontends/stv090x.c
+++ b/drivers/media/dvb-frontends/stv090x.c
@@ -739,14 +739,8 @@ static int stv090x_write_regs(struct stv090x_state *state, unsigned int reg, u8
 	buf[1] = reg & 0xff;
 	memcpy(&buf[2], data, count);
 
-	if (unlikely(*state->verbose >= FE_DEBUGREG)) {
-		int i;
-
-		printk(KERN_DEBUG "%s [0x%04x]:", __func__, reg);
-		for (i = 0; i < count; i++)
-			printk(" %02x", data[i]);
-		printk("\n");
-	}
+	dprintk(FE_DEBUGREG, 1, "%s [0x%04x]: %*ph",
+		__func__, reg, count, data);
 
 	ret = i2c_transfer(state->i2c, &i2c_msg, 1);
 	if (ret != 1) {
@@ -3698,9 +3692,12 @@ static int stv090x_read_cnr(struct dvb_frontend *fe, u16 *cnr)
 			}
 			val /= 16;
 			last = ARRAY_SIZE(stv090x_s2cn_tab) - 1;
-			div = stv090x_s2cn_tab[0].read -
-			      stv090x_s2cn_tab[last].read;
-			*cnr = 0xFFFF - ((val * 0xFFFF) / div);
+			div = stv090x_s2cn_tab[last].real -
+			      stv090x_s2cn_tab[3].real;
+			val = stv090x_table_lookup(stv090x_s2cn_tab, last, val);
+			if (val < 0)
+				val = 0;
+			*cnr = val * 0xFFFF / div;
 		}
 		break;
 
@@ -3720,9 +3717,10 @@ static int stv090x_read_cnr(struct dvb_frontend *fe, u16 *cnr)
 			}
 			val /= 16;
 			last = ARRAY_SIZE(stv090x_s1cn_tab) - 1;
-			div = stv090x_s1cn_tab[0].read -
-			      stv090x_s1cn_tab[last].read;
-			*cnr = 0xFFFF - ((val * 0xFFFF) / div);
+			div = stv090x_s1cn_tab[last].real -
+			      stv090x_s1cn_tab[0].real;
+			val = stv090x_table_lookup(stv090x_s1cn_tab, last, val);
+			*cnr = val * 0xFFFF / div;
 		}
 		break;
 	default:
@@ -4886,7 +4884,7 @@ static int stv090x_set_gpio(struct dvb_frontend *fe, u8 gpio, u8 dir,
 	return stv090x_write_reg(state, STV090x_GPIOxCFG(gpio), reg);
 }
 
-static struct dvb_frontend_ops stv090x_ops = {
+static const struct dvb_frontend_ops stv090x_ops = {
 	.delsys = { SYS_DVBS, SYS_DVBS2, SYS_DSS },
 	.info = {
 		.name			= "STV090x Multistandard",
diff --git a/drivers/media/dvb-frontends/stv6110.c b/drivers/media/dvb-frontends/stv6110.c
index 66a5a7f2295c..6a72d0be2ec5 100644
--- a/drivers/media/dvb-frontends/stv6110.c
+++ b/drivers/media/dvb-frontends/stv6110.c
@@ -59,11 +59,10 @@ static s32 abssub(s32 a, s32 b)
 		return b - a;
 };
 
-static int stv6110_release(struct dvb_frontend *fe)
+static void stv6110_release(struct dvb_frontend *fe)
 {
 	kfree(fe->tuner_priv);
 	fe->tuner_priv = NULL;
-	return 0;
 }
 
 static int stv6110_write_regs(struct dvb_frontend *fe, u8 buf[],
diff --git a/drivers/media/dvb-frontends/stv6110x.c b/drivers/media/dvb-frontends/stv6110x.c
index c611ad210b5c..66eba38f1014 100644
--- a/drivers/media/dvb-frontends/stv6110x.c
+++ b/drivers/media/dvb-frontends/stv6110x.c
@@ -335,14 +335,12 @@ static int stv6110x_get_status(struct dvb_frontend *fe, u32 *status)
 }
 
 
-static int stv6110x_release(struct dvb_frontend *fe)
+static void stv6110x_release(struct dvb_frontend *fe)
 {
 	struct stv6110x_state *stv6110x = fe->tuner_priv;
 
 	fe->tuner_priv = NULL;
 	kfree(stv6110x);
-
-	return 0;
 }
 
 static const struct dvb_tuner_ops stv6110x_ops = {
diff --git a/drivers/media/dvb-frontends/tc90522.c b/drivers/media/dvb-frontends/tc90522.c
index 31cd32532387..4687e1546af2 100644
--- a/drivers/media/dvb-frontends/tc90522.c
+++ b/drivers/media/dvb-frontends/tc90522.c
@@ -656,7 +656,7 @@ tc90522_master_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs, int num)
 	for (i = 0; i < num; i++)
 		if (msgs[i].flags & I2C_M_RD)
 			rd_num++;
-	new_msgs = kmalloc(sizeof(*new_msgs) * (num + rd_num), GFP_KERNEL);
+	new_msgs = kmalloc_array(num + rd_num, sizeof(*new_msgs), GFP_KERNEL);
 	if (!new_msgs)
 		return -ENOMEM;
 
@@ -794,14 +794,13 @@ static int tc90522_probe(struct i2c_client *client,
 	i2c_set_adapdata(adap, state);
 	ret = i2c_add_adapter(adap);
 	if (ret < 0)
-		goto err;
+		goto free_state;
 	cfg->tuner_i2c = state->cfg.tuner_i2c = adap;
 
 	i2c_set_clientdata(client, &state->cfg);
 	dev_info(&client->dev, "Toshiba TC90522 attached.\n");
 	return 0;
-
-err:
+free_state:
 	kfree(state);
 	return ret;
 }
diff --git a/drivers/media/dvb-frontends/tda10021.c b/drivers/media/dvb-frontends/tda10021.c
index 806c56691ca5..32ba8401e743 100644
--- a/drivers/media/dvb-frontends/tda10021.c
+++ b/drivers/media/dvb-frontends/tda10021.c
@@ -77,8 +77,7 @@ static int _tda10021_writereg (struct tda10021_state* state, u8 reg, u8 data)
 
 	ret = i2c_transfer (state->i2c, &msg, 1);
 	if (ret != 1)
-		printk("DVB: TDA10021(%d): %s, writereg error "
-			"(reg == 0x%02x, val == 0x%02x, ret == %i)\n",
+		printk("DVB: TDA10021(%d): %s, writereg error (reg == 0x%02x, val == 0x%02x, ret == %i)\n",
 			state->frontend.dvb->num, __func__, reg, data, ret);
 
 	msleep(10);
@@ -444,7 +443,7 @@ static void tda10021_release(struct dvb_frontend* fe)
 	kfree(state);
 }
 
-static struct dvb_frontend_ops tda10021_ops;
+static const struct dvb_frontend_ops tda10021_ops;
 
 struct dvb_frontend* tda10021_attach(const struct tda1002x_config* config,
 				     struct i2c_adapter* i2c,
@@ -484,7 +483,7 @@ error:
 	return NULL;
 }
 
-static struct dvb_frontend_ops tda10021_ops = {
+static const struct dvb_frontend_ops tda10021_ops = {
 	.delsys = { SYS_DVBC_ANNEX_A, SYS_DVBC_ANNEX_C },
 	.info = {
 		.name = "Philips TDA10021 DVB-C",
diff --git a/drivers/media/dvb-frontends/tda10023.c b/drivers/media/dvb-frontends/tda10023.c
index 3b8c7e499d0d..8028007c68eb 100644
--- a/drivers/media/dvb-frontends/tda10023.c
+++ b/drivers/media/dvb-frontends/tda10023.c
@@ -72,8 +72,7 @@ static u8 tda10023_readreg (struct tda10023_state* state, u8 reg)
 	ret = i2c_transfer (state->i2c, msg, 2);
 	if (ret != 2) {
 		int num = state->frontend.dvb ? state->frontend.dvb->num : -1;
-		printk(KERN_ERR "DVB: TDA10023(%d): %s: readreg error "
-			"(reg == 0x%02x, ret == %i)\n",
+		printk(KERN_ERR "DVB: TDA10023(%d): %s: readreg error (reg == 0x%02x, ret == %i)\n",
 			num, __func__, reg, ret);
 	}
 	return b1[0];
@@ -88,8 +87,7 @@ static int tda10023_writereg (struct tda10023_state* state, u8 reg, u8 data)
 	ret = i2c_transfer (state->i2c, &msg, 1);
 	if (ret != 1) {
 		int num = state->frontend.dvb ? state->frontend.dvb->num : -1;
-		printk(KERN_ERR "DVB: TDA10023(%d): %s, writereg error "
-			"(reg == 0x%02x, val == 0x%02x, ret == %i)\n",
+		printk(KERN_ERR "DVB: TDA10023(%d): %s, writereg error (reg == 0x%02x, val == 0x%02x, ret == %i)\n",
 			num, __func__, reg, data, ret);
 	}
 	return (ret != 1) ? -EREMOTEIO : 0;
@@ -516,7 +514,7 @@ static void tda10023_release(struct dvb_frontend* fe)
 	kfree(state);
 }
 
-static struct dvb_frontend_ops tda10023_ops;
+static const struct dvb_frontend_ops tda10023_ops;
 
 struct dvb_frontend *tda10023_attach(const struct tda10023_config *config,
 				     struct i2c_adapter *i2c,
@@ -573,7 +571,7 @@ error:
 	return NULL;
 }
 
-static struct dvb_frontend_ops tda10023_ops = {
+static const struct dvb_frontend_ops tda10023_ops = {
 	.delsys = { SYS_DVBC_ANNEX_A, SYS_DVBC_ANNEX_C },
 	.info = {
 		.name = "Philips TDA10023 DVB-C",
diff --git a/drivers/media/dvb-frontends/tda10048.c b/drivers/media/dvb-frontends/tda10048.c
index c2bf89d0b0b0..92ab34c3e0be 100644
--- a/drivers/media/dvb-frontends/tda10048.c
+++ b/drivers/media/dvb-frontends/tda10048.c
@@ -1063,38 +1063,34 @@ static void tda10048_establish_defaults(struct dvb_frontend *fe)
 	/* Validate/default the config */
 	if (config->dtv6_if_freq_khz == 0) {
 		config->dtv6_if_freq_khz = TDA10048_IF_4300;
-		printk(KERN_WARNING "%s() tda10048_config.dtv6_if_freq_khz "
-			"is not set (defaulting to %d)\n",
+		printk(KERN_WARNING "%s() tda10048_config.dtv6_if_freq_khz is not set (defaulting to %d)\n",
 			__func__,
 			config->dtv6_if_freq_khz);
 	}
 
 	if (config->dtv7_if_freq_khz == 0) {
 		config->dtv7_if_freq_khz = TDA10048_IF_4300;
-		printk(KERN_WARNING "%s() tda10048_config.dtv7_if_freq_khz "
-			"is not set (defaulting to %d)\n",
+		printk(KERN_WARNING "%s() tda10048_config.dtv7_if_freq_khz is not set (defaulting to %d)\n",
 			__func__,
 			config->dtv7_if_freq_khz);
 	}
 
 	if (config->dtv8_if_freq_khz == 0) {
 		config->dtv8_if_freq_khz = TDA10048_IF_4300;
-		printk(KERN_WARNING "%s() tda10048_config.dtv8_if_freq_khz "
-			"is not set (defaulting to %d)\n",
+		printk(KERN_WARNING "%s() tda10048_config.dtv8_if_freq_khz is not set (defaulting to %d)\n",
 			__func__,
 			config->dtv8_if_freq_khz);
 	}
 
 	if (config->clk_freq_khz == 0) {
 		config->clk_freq_khz = TDA10048_CLK_16000;
-		printk(KERN_WARNING "%s() tda10048_config.clk_freq_khz "
-			"is not set (defaulting to %d)\n",
+		printk(KERN_WARNING "%s() tda10048_config.clk_freq_khz is not set (defaulting to %d)\n",
 			__func__,
 			config->clk_freq_khz);
 	}
 }
 
-static struct dvb_frontend_ops tda10048_ops;
+static const struct dvb_frontend_ops tda10048_ops;
 
 struct dvb_frontend *tda10048_attach(const struct tda10048_config *config,
 	struct i2c_adapter *i2c)
@@ -1156,7 +1152,7 @@ error:
 }
 EXPORT_SYMBOL(tda10048_attach);
 
-static struct dvb_frontend_ops tda10048_ops = {
+static const struct dvb_frontend_ops tda10048_ops = {
 	.delsys = { SYS_DVBT },
 	.info = {
 		.name			= "NXP TDA10048HN DVB-T",
diff --git a/drivers/media/dvb-frontends/tda1004x.c b/drivers/media/dvb-frontends/tda1004x.c
index b89848313fb9..e674508c349c 100644
--- a/drivers/media/dvb-frontends/tda1004x.c
+++ b/drivers/media/dvb-frontends/tda1004x.c
@@ -1245,7 +1245,7 @@ static void tda1004x_release(struct dvb_frontend* fe)
 	kfree(state);
 }
 
-static struct dvb_frontend_ops tda10045_ops = {
+static const struct dvb_frontend_ops tda10045_ops = {
 	.delsys = { SYS_DVBT },
 	.info = {
 		.name = "Philips TDA10045H DVB-T",
@@ -1315,7 +1315,7 @@ struct dvb_frontend* tda10045_attach(const struct tda1004x_config* config,
 	return &state->frontend;
 }
 
-static struct dvb_frontend_ops tda10046_ops = {
+static const struct dvb_frontend_ops tda10046_ops = {
 	.delsys = { SYS_DVBT },
 	.info = {
 		.name = "Philips TDA10046H DVB-T",
diff --git a/drivers/media/dvb-frontends/tda10071.c b/drivers/media/dvb-frontends/tda10071.c
index 37ebeef2bbd0..a59f4fd09df6 100644
--- a/drivers/media/dvb-frontends/tda10071.c
+++ b/drivers/media/dvb-frontends/tda10071.c
@@ -20,7 +20,7 @@
 
 #include "tda10071_priv.h"
 
-static struct dvb_frontend_ops tda10071_ops;
+static const struct dvb_frontend_ops tda10071_ops;
 
 /*
  * XXX: regmap_update_bits() does not fit our needs as it does not support
@@ -1102,7 +1102,7 @@ static int tda10071_get_tune_settings(struct dvb_frontend *fe,
 	return 0;
 }
 
-static struct dvb_frontend_ops tda10071_ops = {
+static const struct dvb_frontend_ops tda10071_ops = {
 	.delsys = { SYS_DVBS, SYS_DVBS2 },
 	.info = {
 		.name = "NXP TDA10071",
diff --git a/drivers/media/dvb-frontends/tda10086.c b/drivers/media/dvb-frontends/tda10086.c
index 31d0acb54fe8..b6d16c05904d 100644
--- a/drivers/media/dvb-frontends/tda10086.c
+++ b/drivers/media/dvb-frontends/tda10086.c
@@ -706,7 +706,7 @@ static void tda10086_release(struct dvb_frontend* fe)
 	kfree(state);
 }
 
-static struct dvb_frontend_ops tda10086_ops = {
+static const struct dvb_frontend_ops tda10086_ops = {
 	.delsys = { SYS_DVBS },
 	.info = {
 		.name     = "Philips TDA10086 DVB-S",
diff --git a/drivers/media/dvb-frontends/tda18271c2dd.c b/drivers/media/dvb-frontends/tda18271c2dd.c
index bc247f9b553a..6859fa5d5a85 100644
--- a/drivers/media/dvb-frontends/tda18271c2dd.c
+++ b/drivers/media/dvb-frontends/tda18271c2dd.c
@@ -1126,11 +1126,10 @@ static int init(struct dvb_frontend *fe)
 	return 0;
 }
 
-static int release(struct dvb_frontend *fe)
+static void release(struct dvb_frontend *fe)
 {
 	kfree(fe->tuner_priv);
 	fe->tuner_priv = NULL;
-	return 0;
 }
 
 
diff --git a/drivers/media/dvb-frontends/tda665x.c b/drivers/media/dvb-frontends/tda665x.c
index 7ca965987f40..a63dec44295b 100644
--- a/drivers/media/dvb-frontends/tda665x.c
+++ b/drivers/media/dvb-frontends/tda665x.c
@@ -197,13 +197,12 @@ static int tda665x_set_params(struct dvb_frontend *fe)
 	return 0;
 }
 
-static int tda665x_release(struct dvb_frontend *fe)
+static void tda665x_release(struct dvb_frontend *fe)
 {
 	struct tda665x_state *state = fe->tuner_priv;
 
 	fe->tuner_priv = NULL;
 	kfree(state);
-	return 0;
 }
 
 static const struct dvb_tuner_ops tda665x_ops = {
diff --git a/drivers/media/dvb-frontends/tda8083.c b/drivers/media/dvb-frontends/tda8083.c
index 9072d6463094..aa3200d3c352 100644
--- a/drivers/media/dvb-frontends/tda8083.c
+++ b/drivers/media/dvb-frontends/tda8083.c
@@ -421,7 +421,7 @@ static void tda8083_release(struct dvb_frontend* fe)
 	kfree(state);
 }
 
-static struct dvb_frontend_ops tda8083_ops;
+static const struct dvb_frontend_ops tda8083_ops;
 
 struct dvb_frontend* tda8083_attach(const struct tda8083_config* config,
 				    struct i2c_adapter* i2c)
@@ -449,7 +449,7 @@ error:
 	return NULL;
 }
 
-static struct dvb_frontend_ops tda8083_ops = {
+static const struct dvb_frontend_ops tda8083_ops = {
 	.delsys = { SYS_DVBS },
 	.info = {
 		.name			= "Philips TDA8083 DVB-S",
diff --git a/drivers/media/dvb-frontends/tda8261.c b/drivers/media/dvb-frontends/tda8261.c
index e0df93191b9e..4eb294f330bc 100644
--- a/drivers/media/dvb-frontends/tda8261.c
+++ b/drivers/media/dvb-frontends/tda8261.c
@@ -152,13 +152,12 @@ static int tda8261_set_params(struct dvb_frontend *fe)
 	return 0;
 }
 
-static int tda8261_release(struct dvb_frontend *fe)
+static void tda8261_release(struct dvb_frontend *fe)
 {
 	struct tda8261_state *state = fe->tuner_priv;
 
 	fe->tuner_priv = NULL;
 	kfree(state);
-	return 0;
 }
 
 static const struct dvb_tuner_ops tda8261_ops = {
diff --git a/drivers/media/dvb-frontends/tda826x.c b/drivers/media/dvb-frontends/tda826x.c
index 2ec671df1441..da427b4c2aaa 100644
--- a/drivers/media/dvb-frontends/tda826x.c
+++ b/drivers/media/dvb-frontends/tda826x.c
@@ -41,11 +41,10 @@ struct tda826x_priv {
 	u32 frequency;
 };
 
-static int tda826x_release(struct dvb_frontend *fe)
+static void tda826x_release(struct dvb_frontend *fe)
 {
 	kfree(fe->tuner_priv);
 	fe->tuner_priv = NULL;
-	return 0;
 }
 
 static int tda826x_sleep(struct dvb_frontend *fe)
diff --git a/drivers/media/dvb-frontends/ts2020.c b/drivers/media/dvb-frontends/ts2020.c
index a9f6bbea6df3..931e5c98da8a 100644
--- a/drivers/media/dvb-frontends/ts2020.c
+++ b/drivers/media/dvb-frontends/ts2020.c
@@ -56,7 +56,7 @@ struct ts2020_reg_val {
 
 static void ts2020_stat_work(struct work_struct *work);
 
-static int ts2020_release(struct dvb_frontend *fe)
+static void ts2020_release(struct dvb_frontend *fe)
 {
 	struct ts2020_priv *priv = fe->tuner_priv;
 	struct i2c_client *client = priv->client;
@@ -64,7 +64,6 @@ static int ts2020_release(struct dvb_frontend *fe)
 	dev_dbg(&client->dev, "\n");
 
 	i2c_unregister_device(client);
-	return 0;
 }
 
 static int ts2020_sleep(struct dvb_frontend *fe)
diff --git a/drivers/media/dvb-frontends/tua6100.c b/drivers/media/dvb-frontends/tua6100.c
index 6da12b9e55eb..05ee16d29851 100644
--- a/drivers/media/dvb-frontends/tua6100.c
+++ b/drivers/media/dvb-frontends/tua6100.c
@@ -42,11 +42,10 @@ struct tua6100_priv {
 	u32 frequency;
 };
 
-static int tua6100_release(struct dvb_frontend *fe)
+static void tua6100_release(struct dvb_frontend *fe)
 {
 	kfree(fe->tuner_priv);
 	fe->tuner_priv = NULL;
-	return 0;
 }
 
 static int tua6100_sleep(struct dvb_frontend *fe)
diff --git a/drivers/media/dvb-frontends/ves1820.c b/drivers/media/dvb-frontends/ves1820.c
index b09fe88c40f8..178363704bd4 100644
--- a/drivers/media/dvb-frontends/ves1820.c
+++ b/drivers/media/dvb-frontends/ves1820.c
@@ -65,8 +65,8 @@ static int ves1820_writereg(struct ves1820_state *state, u8 reg, u8 data)
 	ret = i2c_transfer(state->i2c, &msg, 1);
 
 	if (ret != 1)
-		printk("ves1820: %s(): writereg error (reg == 0x%02x, "
-			"val == 0x%02x, ret == %i)\n", __func__, reg, data, ret);
+		printk("ves1820: %s(): writereg error (reg == 0x%02x, val == 0x%02x, ret == %i)\n",
+		       __func__, reg, data, ret);
 
 	return (ret != 1) ? -EREMOTEIO : 0;
 }
@@ -84,8 +84,8 @@ static u8 ves1820_readreg(struct ves1820_state *state, u8 reg)
 	ret = i2c_transfer(state->i2c, msg, 2);
 
 	if (ret != 2)
-		printk("ves1820: %s(): readreg error (reg == 0x%02x, "
-		"ret == %i)\n", __func__, reg, ret);
+		printk("ves1820: %s(): readreg error (reg == 0x%02x, ret == %i)\n",
+		       __func__, reg, ret);
 
 	return b1[0];
 }
@@ -369,7 +369,7 @@ static void ves1820_release(struct dvb_frontend* fe)
 	kfree(state);
 }
 
-static struct dvb_frontend_ops ves1820_ops;
+static const struct dvb_frontend_ops ves1820_ops;
 
 struct dvb_frontend* ves1820_attach(const struct ves1820_config* config,
 				    struct i2c_adapter* i2c,
@@ -408,7 +408,7 @@ error:
 	return NULL;
 }
 
-static struct dvb_frontend_ops ves1820_ops = {
+static const struct dvb_frontend_ops ves1820_ops = {
 	.delsys = { SYS_DVBC_ANNEX_A },
 	.info = {
 		.name = "VLSI VES1820 DVB-C",
diff --git a/drivers/media/dvb-frontends/ves1x93.c b/drivers/media/dvb-frontends/ves1x93.c
index ed113e216e14..d0ee52f66a8e 100644
--- a/drivers/media/dvb-frontends/ves1x93.c
+++ b/drivers/media/dvb-frontends/ves1x93.c
@@ -454,7 +454,7 @@ static int ves1x93_i2c_gate_ctrl(struct dvb_frontend* fe, int enable)
 	}
 }
 
-static struct dvb_frontend_ops ves1x93_ops;
+static const struct dvb_frontend_ops ves1x93_ops;
 
 struct dvb_frontend* ves1x93_attach(const struct ves1x93_config* config,
 				    struct i2c_adapter* i2c)
@@ -512,7 +512,7 @@ error:
 	return NULL;
 }
 
-static struct dvb_frontend_ops ves1x93_ops = {
+static const struct dvb_frontend_ops ves1x93_ops = {
 	.delsys = { SYS_DVBS },
 	.info = {
 		.name			= "VLSI VES1x93 DVB-S",
diff --git a/drivers/media/dvb-frontends/zl10036.c b/drivers/media/dvb-frontends/zl10036.c
index 7ed81315965f..a6d020fe9b8b 100644
--- a/drivers/media/dvb-frontends/zl10036.c
+++ b/drivers/media/dvb-frontends/zl10036.c
@@ -85,8 +85,8 @@ static int zl10036_read_status_reg(struct zl10036_state *state)
 	deb_i2c("R(status): %02x  [FL=%d]\n", status,
 		(status & STATUS_FL) ? 1 : 0);
 	if (status & STATUS_POR)
-		deb_info("%s: Power-On-Reset bit enabled - "
-			"need to initialize the tuner\n", __func__);
+		deb_info("%s: Power-On-Reset bit enabled - need to initialize the tuner\n",
+			 __func__);
 
 	return status;
 }
@@ -134,14 +134,12 @@ static int zl10036_write(struct zl10036_state *state, u8 buf[], u8 count)
 	return 0;
 }
 
-static int zl10036_release(struct dvb_frontend *fe)
+static void zl10036_release(struct dvb_frontend *fe)
 {
 	struct zl10036_state *state = fe->tuner_priv;
 
 	fe->tuner_priv = NULL;
 	kfree(state);
-
-	return 0;
 }
 
 static int zl10036_sleep(struct dvb_frontend *fe)
diff --git a/drivers/media/dvb-frontends/zl10039.c b/drivers/media/dvb-frontends/zl10039.c
index f8c271be196c..60a2954f8ff8 100644
--- a/drivers/media/dvb-frontends/zl10039.c
+++ b/drivers/media/dvb-frontends/zl10039.c
@@ -152,8 +152,7 @@ static int zl10039_init(struct dvb_frontend *fe)
 	/* Reset logic */
 	ret = zl10039_writereg(state, GENERAL, 0x40);
 	if (ret < 0) {
-		dprintk("Note: i2c write error normal when resetting the "
-			"tuner\n");
+		dprintk("Note: i2c write error normal when resetting the tuner\n");
 	}
 	/* Wake up */
 	ret = zl10039_writereg(state, GENERAL, 0x01);
@@ -245,14 +244,13 @@ error:
 	return ret;
 }
 
-static int zl10039_release(struct dvb_frontend *fe)
+static void zl10039_release(struct dvb_frontend *fe)
 {
 	struct zl10039_state *state = fe->tuner_priv;
 
 	dprintk("%s\n", __func__);
 	kfree(state);
 	fe->tuner_priv = NULL;
-	return 0;
 }
 
 static const struct dvb_tuner_ops zl10039_ops = {
diff --git a/drivers/media/dvb-frontends/zl10353.c b/drivers/media/dvb-frontends/zl10353.c
index 3b08176d7bec..4f3ff3e853ac 100644
--- a/drivers/media/dvb-frontends/zl10353.c
+++ b/drivers/media/dvb-frontends/zl10353.c
@@ -602,7 +602,7 @@ static void zl10353_release(struct dvb_frontend *fe)
 	kfree(state);
 }
 
-static struct dvb_frontend_ops zl10353_ops;
+static const struct dvb_frontend_ops zl10353_ops;
 
 struct dvb_frontend *zl10353_attach(const struct zl10353_config *config,
 				    struct i2c_adapter *i2c)
@@ -634,7 +634,7 @@ error:
 	return NULL;
 }
 
-static struct dvb_frontend_ops zl10353_ops = {
+static const struct dvb_frontend_ops zl10353_ops = {
 	.delsys = { SYS_DVBT },
 	.info = {
 		.name			= "Zarlink ZL10353 DVB-T",
diff --git a/drivers/media/firewire/firedtv-avc.c b/drivers/media/firewire/firedtv-avc.c
index 251a556112a9..5bde6c209cd7 100644
--- a/drivers/media/firewire/firedtv-avc.c
+++ b/drivers/media/firewire/firedtv-avc.c
@@ -1181,8 +1181,8 @@ int avc_ca_pmt(struct firedtv *fdtv, char *msg, int length)
 		if (es_info_length > 0) {
 			pmt_cmd_id = msg[read_pos++];
 			if (pmt_cmd_id != 1 && pmt_cmd_id != 4)
-				dev_err(fdtv->device, "invalid pmt_cmd_id %d "
-					"at stream level\n", pmt_cmd_id);
+				dev_err(fdtv->device, "invalid pmt_cmd_id %d at stream level\n",
+					pmt_cmd_id);
 
 			if (es_info_length > sizeof(c->operand) - 4 -
 					     write_pos) {
diff --git a/drivers/media/firewire/firedtv-rc.c b/drivers/media/firewire/firedtv-rc.c
index f82d4a93feb3..04dea2aac583 100644
--- a/drivers/media/firewire/firedtv-rc.c
+++ b/drivers/media/firewire/firedtv-rc.c
@@ -184,8 +184,9 @@ void fdtv_handle_rc(struct firedtv *fdtv, unsigned int code)
 	else if (code >= 0x4540 && code <= 0x4542)
 		code = oldtable[code - 0x4521];
 	else {
-		printk(KERN_DEBUG "firedtv: invalid key code 0x%04x "
-		       "from remote control\n", code);
+		dev_dbg(fdtv->device,
+			"invalid key code 0x%04x from remote control\n",
+			code);
 		return;
 	}
 
diff --git a/drivers/media/i2c/Kconfig b/drivers/media/i2c/Kconfig
index 2669b4bad910..b31fa6fae009 100644
--- a/drivers/media/i2c/Kconfig
+++ b/drivers/media/i2c/Kconfig
@@ -221,7 +221,7 @@ config VIDEO_ADV7604
 
 config VIDEO_ADV7604_CEC
 	bool "Enable Analog Devices ADV7604 CEC support"
-	depends on VIDEO_ADV7604 && MEDIA_CEC
+	depends on VIDEO_ADV7604 && MEDIA_CEC_SUPPORT
 	---help---
 	  When selected the adv7604 will support the optional
 	  HDMI CEC feature.
@@ -242,7 +242,7 @@ config VIDEO_ADV7842
 
 config VIDEO_ADV7842_CEC
 	bool "Enable Analog Devices ADV7842 CEC support"
-	depends on VIDEO_ADV7842 && MEDIA_CEC
+	depends on VIDEO_ADV7842 && MEDIA_CEC_SUPPORT
 	---help---
 	  When selected the adv7842 will support the optional
 	  HDMI CEC feature.
@@ -481,7 +481,7 @@ config VIDEO_ADV7511
 
 config VIDEO_ADV7511_CEC
 	bool "Enable Analog Devices ADV7511 CEC support"
-	depends on VIDEO_ADV7511 && MEDIA_CEC
+	depends on VIDEO_ADV7511 && MEDIA_CEC_SUPPORT
 	---help---
 	  When selected the adv7511 will support the optional
 	  HDMI CEC feature.
diff --git a/drivers/media/i2c/ad5820.c b/drivers/media/i2c/ad5820.c
index beab2f381b81..a9026a91855e 100644
--- a/drivers/media/i2c/ad5820.c
+++ b/drivers/media/i2c/ad5820.c
@@ -65,16 +65,17 @@ static int ad5820_write(struct ad5820_device *coil, u16 data)
 {
 	struct i2c_client *client = v4l2_get_subdevdata(&coil->subdev);
 	struct i2c_msg msg;
+	__be16 be_data;
 	int r;
 
 	if (!client->adapter)
 		return -ENODEV;
 
-	data = cpu_to_be16(data);
+	be_data = cpu_to_be16(data);
 	msg.addr  = client->addr;
 	msg.flags = 0;
 	msg.len   = 2;
-	msg.buf   = (u8 *)&data;
+	msg.buf   = (u8 *)&be_data;
 
 	r = i2c_transfer(client->adapter, &msg, 1);
 	if (r < 0) {
diff --git a/drivers/media/i2c/adv7511.c b/drivers/media/i2c/adv7511.c
index 5ba0f21bcfe4..8c9e28949ab1 100644
--- a/drivers/media/i2c/adv7511.c
+++ b/drivers/media/i2c/adv7511.c
@@ -1732,9 +1732,10 @@ static bool adv7511_check_edid_status(struct v4l2_subdev *sd)
 static int adv7511_registered(struct v4l2_subdev *sd)
 {
 	struct adv7511_state *state = get_adv7511_state(sd);
+	struct i2c_client *client = v4l2_get_subdevdata(sd);
 	int err;
 
-	err = cec_register_adapter(state->cec_adap);
+	err = cec_register_adapter(state->cec_adap, &client->dev);
 	if (err)
 		cec_delete_adapter(state->cec_adap);
 	return err;
@@ -1928,7 +1929,7 @@ static int adv7511_probe(struct i2c_client *client, const struct i2c_device_id *
 	state->cec_adap = cec_allocate_adapter(&adv7511_cec_adap_ops,
 		state, dev_name(&client->dev), CEC_CAP_TRANSMIT |
 		CEC_CAP_LOG_ADDRS | CEC_CAP_PASSTHROUGH | CEC_CAP_RC,
-		ADV7511_MAX_ADDRS, &client->dev);
+		ADV7511_MAX_ADDRS);
 	err = PTR_ERR_OR_ZERO(state->cec_adap);
 	if (err) {
 		destroy_workqueue(state->work_queue);
diff --git a/drivers/media/i2c/adv7604.c b/drivers/media/i2c/adv7604.c
index 4003831de712..d0375cac6a05 100644
--- a/drivers/media/i2c/adv7604.c
+++ b/drivers/media/i2c/adv7604.c
@@ -1566,10 +1566,24 @@ static int adv76xx_query_dv_timings(struct v4l2_subdev *sd,
 		V4L2_DV_INTERLACED : V4L2_DV_PROGRESSIVE;
 
 	if (is_digital_input(sd)) {
+		bool hdmi_signal = hdmi_read(sd, 0x05) & 0x80;
+		u8 vic = 0;
+		u32 w, h;
+
+		w = hdmi_read16(sd, 0x07, info->linewidth_mask);
+		h = hdmi_read16(sd, 0x09, info->field0_height_mask);
+
+		if (hdmi_signal && (io_read(sd, 0x60) & 1))
+			vic = infoframe_read(sd, 0x04);
+
+		if (vic && v4l2_find_dv_timings_cea861_vic(timings, vic) &&
+		    bt->width == w && bt->height == h)
+			goto found;
+
 		timings->type = V4L2_DV_BT_656_1120;
 
-		bt->width = hdmi_read16(sd, 0x07, info->linewidth_mask);
-		bt->height = hdmi_read16(sd, 0x09, info->field0_height_mask);
+		bt->width = w;
+		bt->height = h;
 		bt->pixelclock = info->read_hdmi_pixelclock(sd);
 		bt->hfrontporch = hdmi_read16(sd, 0x20, info->hfrontporch_mask);
 		bt->hsync = hdmi_read16(sd, 0x22, info->hsync_mask);
@@ -2617,9 +2631,10 @@ static int adv76xx_subscribe_event(struct v4l2_subdev *sd,
 static int adv76xx_registered(struct v4l2_subdev *sd)
 {
 	struct adv76xx_state *state = to_state(sd);
+	struct i2c_client *client = v4l2_get_subdevdata(sd);
 	int err;
 
-	err = cec_register_adapter(state->cec_adap);
+	err = cec_register_adapter(state->cec_adap, &client->dev);
 	if (err)
 		cec_delete_adapter(state->cec_adap);
 	return err;
@@ -3074,13 +3089,13 @@ static int adv76xx_parse_dt(struct adv76xx_state *state)
 		return ret;
 	}
 
-	if (!of_property_read_u32(endpoint, "default-input", &v))
+	of_node_put(endpoint);
+
+	if (!of_property_read_u32(np, "default-input", &v))
 		state->pdata.default_input = v;
 	else
 		state->pdata.default_input = -1;
 
-	of_node_put(endpoint);
-
 	flags = bus_cfg.bus.parallel.flags;
 
 	if (flags & V4L2_MBUS_HSYNC_ACTIVE_HIGH)
@@ -3497,8 +3512,7 @@ static int adv76xx_probe(struct i2c_client *client,
 	state->cec_adap = cec_allocate_adapter(&adv76xx_cec_adap_ops,
 		state, dev_name(&client->dev),
 		CEC_CAP_TRANSMIT | CEC_CAP_LOG_ADDRS |
-		CEC_CAP_PASSTHROUGH | CEC_CAP_RC, ADV76XX_MAX_ADDRS,
-		&client->dev);
+		CEC_CAP_PASSTHROUGH | CEC_CAP_RC, ADV76XX_MAX_ADDRS);
 	err = PTR_ERR_OR_ZERO(state->cec_adap);
 	if (err)
 		goto err_entity;
diff --git a/drivers/media/i2c/adv7842.c b/drivers/media/i2c/adv7842.c
index 8c2a52e280af..2d61f0cc2b5b 100644
--- a/drivers/media/i2c/adv7842.c
+++ b/drivers/media/i2c/adv7842.c
@@ -3250,9 +3250,10 @@ static int adv7842_subscribe_event(struct v4l2_subdev *sd,
 static int adv7842_registered(struct v4l2_subdev *sd)
 {
 	struct adv7842_state *state = to_state(sd);
+	struct i2c_client *client = v4l2_get_subdevdata(sd);
 	int err;
 
-	err = cec_register_adapter(state->cec_adap);
+	err = cec_register_adapter(state->cec_adap, &client->dev);
 	if (err)
 		cec_delete_adapter(state->cec_adap);
 	return err;
@@ -3568,8 +3569,7 @@ static int adv7842_probe(struct i2c_client *client,
 	state->cec_adap = cec_allocate_adapter(&adv7842_cec_adap_ops,
 		state, dev_name(&client->dev),
 		CEC_CAP_TRANSMIT | CEC_CAP_LOG_ADDRS |
-		CEC_CAP_PASSTHROUGH | CEC_CAP_RC, ADV7842_MAX_ADDRS,
-		&client->dev);
+		CEC_CAP_PASSTHROUGH | CEC_CAP_RC, ADV7842_MAX_ADDRS);
 	err = PTR_ERR_OR_ZERO(state->cec_adap);
 	if (err)
 		goto err_entity;
diff --git a/drivers/media/i2c/cx25840/cx25840-core.c b/drivers/media/i2c/cx25840/cx25840-core.c
index 142ae28803bb..0dcf450052ac 100644
--- a/drivers/media/i2c/cx25840/cx25840-core.c
+++ b/drivers/media/i2c/cx25840/cx25840-core.c
@@ -873,10 +873,7 @@ void cx25840_std_setup(struct i2c_client *client)
 					"Chroma sub-carrier freq = %d.%06d MHz\n",
 					fsc / 1000000, fsc % 1000000);
 
-			v4l_dbg(1, cx25840_debug, client, "hblank %i, hactive %i, "
-				"vblank %i, vactive %i, vblank656 %i, src_dec %i, "
-				"burst 0x%02x, luma_lpf %i, uv_lpf %i, comb 0x%02x, "
-				"sc 0x%06x\n",
+			v4l_dbg(1, cx25840_debug, client, "hblank %i, hactive %i, vblank %i, vactive %i, vblank656 %i, src_dec %i, burst 0x%02x, luma_lpf %i, uv_lpf %i, comb 0x%02x, sc 0x%06x\n",
 				hblank, hactive, vblank, vactive, vblank656,
 				src_decimation, burst, luma_lpf, uv_lpf, comb, sc);
 		}
@@ -5169,11 +5166,9 @@ static int cx25840_probe(struct i2c_client *client,
 		id = CX2310X_AV;
 	} else if ((device_id & 0xff) == (device_id >> 8)) {
 		v4l_err(client,
-			"likely a confused/unresponsive cx2388[578] A/V decoder"
-			" found @ 0x%x (%s)\n",
+			"likely a confused/unresponsive cx2388[578] A/V decoder found @ 0x%x (%s)\n",
 			client->addr << 1, client->adapter->name);
-		v4l_err(client, "A method to reset it from the cx25840 driver"
-			" software is not known at this time\n");
+		v4l_err(client, "A method to reset it from the cx25840 driver software is not known at this time\n");
 		return -ENODEV;
 	} else {
 		v4l_dbg(1, cx25840_debug, client, "cx25840 not found\n");
diff --git a/drivers/media/i2c/cx25840/cx25840-ir.c b/drivers/media/i2c/cx25840/cx25840-ir.c
index 4b782012cadc..15fbd9607cee 100644
--- a/drivers/media/i2c/cx25840/cx25840-ir.c
+++ b/drivers/media/i2c/cx25840/cx25840-ir.c
@@ -1113,8 +1113,8 @@ int cx25840_ir_log_status(struct v4l2_subdev *sd)
 			j = 0;
 			break;
 		}
-		v4l2_info(sd, "\tNext carrier edge window:          16 clocks "
-			  "-%1d/+%1d, %u to %u Hz\n", i, j,
+		v4l2_info(sd, "\tNext carrier edge window:	    16 clocks -%1d/+%1d, %u to %u Hz\n",
+			  i, j,
 			  clock_divider_to_freq(rxclk, 16 + j),
 			  clock_divider_to_freq(rxclk, 16 - i));
 	}
@@ -1124,8 +1124,7 @@ int cx25840_ir_log_status(struct v4l2_subdev *sd)
 	v4l2_info(sd, "\tLow pass filter:                   %s\n",
 		  filtr ? "enabled" : "disabled");
 	if (filtr)
-		v4l2_info(sd, "\tMin acceptable pulse width (LPF):  %u us, "
-			  "%u ns\n",
+		v4l2_info(sd, "\tMin acceptable pulse width (LPF):  %u us, %u ns\n",
 			  lpf_count_to_us(filtr),
 			  lpf_count_to_ns(filtr));
 	v4l2_info(sd, "\tPulse width timer timed-out:       %s\n",
diff --git a/drivers/media/i2c/msp3400-driver.c b/drivers/media/i2c/msp3400-driver.c
index 503b7c4f0a9b..201a9800ea52 100644
--- a/drivers/media/i2c/msp3400-driver.c
+++ b/drivers/media/i2c/msp3400-driver.c
@@ -146,11 +146,11 @@ int msp_reset(struct i2c_client *client)
 		},
 	};
 
-	v4l_dbg(3, msp_debug, client, "msp_reset\n");
+	dev_dbg_lvl(&client->dev, 3, msp_debug, "msp_reset\n");
 	if (i2c_transfer(client->adapter, &reset[0], 1) != 1 ||
 	    i2c_transfer(client->adapter, &reset[1], 1) != 1 ||
 	    i2c_transfer(client->adapter, test, 2) != 2) {
-		v4l_err(client, "chip reset failed\n");
+		dev_err(&client->dev, "chip reset failed\n");
 		return -1;
 	}
 	return 0;
@@ -182,17 +182,17 @@ static int msp_read(struct i2c_client *client, int dev, int addr)
 	for (err = 0; err < 3; err++) {
 		if (i2c_transfer(client->adapter, msgs, 2) == 2)
 			break;
-		v4l_warn(client, "I/O error #%d (read 0x%02x/0x%02x)\n", err,
+		dev_warn(&client->dev, "I/O error #%d (read 0x%02x/0x%02x)\n", err,
 		       dev, addr);
 		schedule_timeout_interruptible(msecs_to_jiffies(10));
 	}
 	if (err == 3) {
-		v4l_warn(client, "resetting chip, sound will go off.\n");
+		dev_warn(&client->dev, "resetting chip, sound will go off.\n");
 		msp_reset(client);
 		return -1;
 	}
 	retval = read[0] << 8 | read[1];
-	v4l_dbg(3, msp_debug, client, "msp_read(0x%x, 0x%x): 0x%x\n",
+	dev_dbg_lvl(&client->dev, 3, msp_debug, "msp_read(0x%x, 0x%x): 0x%x\n",
 			dev, addr, retval);
 	return retval;
 }
@@ -218,17 +218,17 @@ static int msp_write(struct i2c_client *client, int dev, int addr, int val)
 	buffer[3] = val  >> 8;
 	buffer[4] = val  &  0xff;
 
-	v4l_dbg(3, msp_debug, client, "msp_write(0x%x, 0x%x, 0x%x)\n",
+	dev_dbg_lvl(&client->dev, 3, msp_debug, "msp_write(0x%x, 0x%x, 0x%x)\n",
 			dev, addr, val);
 	for (err = 0; err < 3; err++) {
 		if (i2c_master_send(client, buffer, 5) == 5)
 			break;
-		v4l_warn(client, "I/O error #%d (write 0x%02x/0x%02x)\n", err,
+		dev_warn(&client->dev, "I/O error #%d (write 0x%02x/0x%02x)\n", err,
 		       dev, addr);
 		schedule_timeout_interruptible(msecs_to_jiffies(10));
 	}
 	if (err == 3) {
-		v4l_warn(client, "resetting chip, sound will go off.\n");
+		dev_warn(&client->dev, "resetting chip, sound will go off.\n");
 		msp_reset(client);
 		return -1;
 	}
@@ -301,7 +301,7 @@ void msp_set_scart(struct i2c_client *client, int in, int out)
 	} else
 		state->acb = 0xf60; /* Mute Input and SCART 1 Output */
 
-	v4l_dbg(1, msp_debug, client, "scart switch: %s => %d (ACB=0x%04x)\n",
+	dev_dbg_lvl(&client->dev, 1, msp_debug, "scart switch: %s => %d (ACB=0x%04x)\n",
 					scart_names[in], out, state->acb);
 	msp_write_dsp(client, 0x13, state->acb);
 
@@ -359,7 +359,7 @@ static int msp_s_ctrl(struct v4l2_ctrl *ctrl)
 		if (!reallymuted)
 			val = (val * 0x7f / 65535) << 8;
 
-		v4l_dbg(1, msp_debug, client, "mute=%s scanning=%s volume=%d\n",
+		dev_dbg_lvl(&client->dev, 1, msp_debug, "mute=%s scanning=%s volume=%d\n",
 				state->muted->val ? "on" : "off",
 				state->scan_in_progress ? "yes" : "no",
 				state->volume->val);
@@ -426,7 +426,7 @@ static int msp_s_radio(struct v4l2_subdev *sd)
 	if (state->radio)
 		return 0;
 	state->radio = 1;
-	v4l_dbg(1, msp_debug, client, "switching to radio mode\n");
+	dev_dbg_lvl(&client->dev, 1, msp_debug, "switching to radio mode\n");
 	state->watch_stereo = 0;
 	switch (state->opmode) {
 	case OPMODE_MANUAL:
@@ -461,7 +461,7 @@ static int msp_querystd(struct v4l2_subdev *sd, v4l2_std_id *id)
 
 	*id &= state->detected_std;
 
-	v4l_dbg(2, msp_debug, client,
+	dev_dbg_lvl(&client->dev, 2, msp_debug,
 		"detected standard: %s(0x%08Lx)\n",
 		msp_standard_std_name(state->std), state->detected_std);
 
@@ -555,7 +555,7 @@ static int msp_s_i2s_clock_freq(struct v4l2_subdev *sd, u32 freq)
 	struct msp_state *state = to_state(sd);
 	struct i2c_client *client = v4l2_get_subdevdata(sd);
 
-	v4l_dbg(1, msp_debug, client, "Setting I2S speed to %d\n", freq);
+	dev_dbg_lvl(&client->dev, 1, msp_debug, "Setting I2S speed to %d\n", freq);
 
 	switch (freq) {
 		case 1024000:
@@ -579,7 +579,7 @@ static int msp_log_status(struct v4l2_subdev *sd)
 
 	if (state->opmode == OPMODE_AUTOSELECT)
 		msp_detect_stereo(client);
-	v4l_info(client, "%s rev1 = 0x%04x rev2 = 0x%04x\n",
+	dev_info(&client->dev, "%s rev1 = 0x%04x rev2 = 0x%04x\n",
 			client->name, state->rev1, state->rev2);
 	snprintf(prefix, sizeof(prefix), "%s: Audio:    ", sd->name);
 	v4l2_ctrl_handler_log_status(&state->hdl, prefix);
@@ -596,23 +596,23 @@ static int msp_log_status(struct v4l2_subdev *sd)
 		default: p = "unknown"; break;
 	}
 	if (state->mode == MSP_MODE_EXTERN) {
-		v4l_info(client, "Mode:     %s\n", p);
+		dev_info(&client->dev, "Mode:     %s\n", p);
 	} else if (state->opmode == OPMODE_MANUAL) {
-		v4l_info(client, "Mode:     %s (%s%s)\n", p,
+		dev_info(&client->dev, "Mode:     %s (%s%s)\n", p,
 				(state->rxsubchans & V4L2_TUNER_SUB_STEREO) ? "stereo" : "mono",
 				(state->rxsubchans & V4L2_TUNER_SUB_LANG2) ? ", dual" : "");
 	} else {
 		if (state->opmode == OPMODE_AUTODETECT)
-			v4l_info(client, "Mode:     %s\n", p);
-		v4l_info(client, "Standard: %s (%s%s)\n",
+			dev_info(&client->dev, "Mode:     %s\n", p);
+		dev_info(&client->dev, "Standard: %s (%s%s)\n",
 				msp_standard_std_name(state->std),
 				(state->rxsubchans & V4L2_TUNER_SUB_STEREO) ? "stereo" : "mono",
 				(state->rxsubchans & V4L2_TUNER_SUB_LANG2) ? ", dual" : "");
 	}
-	v4l_info(client, "Audmode:  0x%04x\n", state->audmode);
-	v4l_info(client, "Routing:  0x%08x (input) 0x%08x (output)\n",
+	dev_info(&client->dev, "Audmode:  0x%04x\n", state->audmode);
+	dev_info(&client->dev, "Routing:  0x%08x (input) 0x%08x (output)\n",
 			state->route_in, state->route_out);
-	v4l_info(client, "ACB:      0x%04x\n", state->acb);
+	dev_info(&client->dev, "ACB:      0x%04x\n", state->acb);
 	return 0;
 }
 
@@ -620,7 +620,7 @@ static int msp_log_status(struct v4l2_subdev *sd)
 static int msp_suspend(struct device *dev)
 {
 	struct i2c_client *client = to_i2c_client(dev);
-	v4l_dbg(1, msp_debug, client, "suspend\n");
+	dev_dbg_lvl(&client->dev, 1, msp_debug, "suspend\n");
 	msp_reset(client);
 	return 0;
 }
@@ -628,7 +628,7 @@ static int msp_suspend(struct device *dev)
 static int msp_resume(struct device *dev)
 {
 	struct i2c_client *client = to_i2c_client(dev);
-	v4l_dbg(1, msp_debug, client, "resume\n");
+	dev_dbg_lvl(&client->dev, 1, msp_debug, "resume\n");
 	msp_wake_thread(client);
 	return 0;
 }
@@ -670,6 +670,13 @@ static const struct v4l2_subdev_ops msp_ops = {
 
 /* ----------------------------------------------------------------------- */
 
+
+static const char * const opmode_str[] = {
+	[OPMODE_MANUAL] = "manual",
+	[OPMODE_AUTODETECT] = "autodetect",
+	[OPMODE_AUTOSELECT] = "autodetect and autoselect",
+};
+
 static int msp_probe(struct i2c_client *client, const struct i2c_device_id *id)
 {
 	struct msp_state *state;
@@ -689,7 +696,7 @@ static int msp_probe(struct i2c_client *client, const struct i2c_device_id *id)
 		strlcpy(client->name, "msp3400", sizeof(client->name));
 
 	if (msp_reset(client) == -1) {
-		v4l_dbg(1, msp_debug, client, "msp3400 not found\n");
+		dev_dbg_lvl(&client->dev, 1, msp_debug, "msp3400 not found\n");
 		return -ENODEV;
 	}
 
@@ -724,10 +731,10 @@ static int msp_probe(struct i2c_client *client, const struct i2c_device_id *id)
 	state->rev1 = msp_read_dsp(client, 0x1e);
 	if (state->rev1 != -1)
 		state->rev2 = msp_read_dsp(client, 0x1f);
-	v4l_dbg(1, msp_debug, client, "rev1=0x%04x, rev2=0x%04x\n",
+	dev_dbg_lvl(&client->dev, 1, msp_debug, "rev1=0x%04x, rev2=0x%04x\n",
 			state->rev1, state->rev2);
 	if (state->rev1 == -1 || (state->rev1 == 0 && state->rev2 == 0)) {
-		v4l_dbg(1, msp_debug, client,
+		dev_dbg_lvl(&client->dev, 1, msp_debug,
 				"not an msp3400 (cannot read chip version)\n");
 		return -ENODEV;
 	}
@@ -791,7 +798,8 @@ static int msp_probe(struct i2c_client *client, const struct i2c_device_id *id)
 		msp_family == 3 && msp_revision == 'G' && msp_prod_hi == 3;
 
 	state->opmode = opmode;
-	if (state->opmode == OPMODE_AUTO) {
+	if (state->opmode < OPMODE_MANUAL
+	    || state->opmode > OPMODE_AUTOSELECT) {
 		/* MSP revision G and up have both autodetect and autoselect */
 		if (msp_revision >= 'G')
 			state->opmode = OPMODE_AUTOSELECT;
@@ -829,43 +837,35 @@ static int msp_probe(struct i2c_client *client, const struct i2c_device_id *id)
 	v4l2_ctrl_cluster(2, &state->volume);
 	v4l2_ctrl_handler_setup(hdl);
 
-	/* hello world :-) */
-	v4l_info(client, "MSP%d4%02d%c-%c%d found @ 0x%x (%s)\n",
-			msp_family, msp_product,
-			msp_revision, msp_hard, msp_rom,
-			client->addr << 1, client->adapter->name);
-	v4l_info(client, "%s ", client->name);
-	if (state->has_nicam && state->has_radio)
-		printk(KERN_CONT "supports nicam and radio, ");
-	else if (state->has_nicam)
-		printk(KERN_CONT "supports nicam, ");
-	else if (state->has_radio)
-		printk(KERN_CONT "supports radio, ");
-	printk(KERN_CONT "mode is ");
+	dev_info(&client->dev,
+		 "MSP%d4%02d%c-%c%d found on %s: supports %s%s%s, mode is %s\n",
+		 msp_family, msp_product,
+		 msp_revision, msp_hard, msp_rom,
+		 client->adapter->name,
+		 (state->has_nicam) ? "nicam" : "",
+		 (state->has_nicam && state->has_radio) ? " and " : "",
+		 (state->has_radio) ? "radio" : "",
+		 opmode_str[state->opmode]);
 
 	/* version-specific initialization */
 	switch (state->opmode) {
 	case OPMODE_MANUAL:
-		printk(KERN_CONT "manual");
 		thread_func = msp3400c_thread;
 		break;
 	case OPMODE_AUTODETECT:
-		printk(KERN_CONT "autodetect");
 		thread_func = msp3410d_thread;
 		break;
 	case OPMODE_AUTOSELECT:
-		printk(KERN_CONT "autodetect and autoselect");
 		thread_func = msp34xxg_thread;
 		break;
 	}
-	printk(KERN_CONT "\n");
 
 	/* startup control thread if needed */
 	if (thread_func) {
 		state->kthread = kthread_run(thread_func, client, "msp34xx");
 
 		if (IS_ERR(state->kthread))
-			v4l_warn(client, "kernel_thread() failed\n");
+			dev_warn(&client->dev, "kernel_thread() failed\n");
 		msp_wake_thread(client);
 	}
 	return 0;
diff --git a/drivers/media/i2c/msp3400-kthreads.c b/drivers/media/i2c/msp3400-kthreads.c
index 17120804fab7..eec7aa4c6f98 100644
--- a/drivers/media/i2c/msp3400-kthreads.c
+++ b/drivers/media/i2c/msp3400-kthreads.c
@@ -220,7 +220,7 @@ void msp3400c_set_mode(struct i2c_client *client, int mode)
 	int tuner = (state->route_in >> 3) & 1;
 	int i;
 
-	v4l_dbg(1, msp_debug, client, "set_mode: %d\n", mode);
+	dev_dbg_lvl(&client->dev, 1, msp_debug, "set_mode: %d\n", mode);
 	state->mode = mode;
 	state->rxsubchans = V4L2_TUNER_SUB_MONO;
 
@@ -266,7 +266,7 @@ static void msp3400c_set_audmode(struct i2c_client *client)
 		/* this method would break everything, let's make sure
 		 * it's never called
 		 */
-		v4l_dbg(1, msp_debug, client,
+		dev_dbg_lvl(&client->dev, 1, msp_debug,
 			"set_audmode called with mode=%d instead of set_source (ignored)\n",
 			state->audmode);
 		return;
@@ -295,7 +295,7 @@ static void msp3400c_set_audmode(struct i2c_client *client)
 	/* switch demodulator */
 	switch (state->mode) {
 	case MSP_MODE_FM_TERRA:
-		v4l_dbg(1, msp_debug, client, "FM set_audmode: %s\n", modestr);
+		dev_dbg_lvl(&client->dev, 1, msp_debug, "FM set_audmode: %s\n", modestr);
 		switch (audmode) {
 		case V4L2_TUNER_MODE_STEREO:
 			msp_write_dsp(client, 0x000e, 0x3001);
@@ -309,7 +309,7 @@ static void msp3400c_set_audmode(struct i2c_client *client)
 		}
 		break;
 	case MSP_MODE_FM_SAT:
-		v4l_dbg(1, msp_debug, client, "SAT set_audmode: %s\n", modestr);
+		dev_dbg_lvl(&client->dev, 1, msp_debug, "SAT set_audmode: %s\n", modestr);
 		switch (audmode) {
 		case V4L2_TUNER_MODE_MONO:
 			msp3400c_set_carrier(client, MSP_CARRIER(6.5), MSP_CARRIER(6.5));
@@ -329,31 +329,31 @@ static void msp3400c_set_audmode(struct i2c_client *client)
 	case MSP_MODE_FM_NICAM1:
 	case MSP_MODE_FM_NICAM2:
 	case MSP_MODE_AM_NICAM:
-		v4l_dbg(1, msp_debug, client,
+		dev_dbg_lvl(&client->dev, 1, msp_debug,
 			"NICAM set_audmode: %s\n", modestr);
 		if (state->nicam_on)
 			src = 0x0100;  /* NICAM */
 		break;
 	case MSP_MODE_BTSC:
-		v4l_dbg(1, msp_debug, client,
+		dev_dbg_lvl(&client->dev, 1, msp_debug,
 			"BTSC set_audmode: %s\n", modestr);
 		break;
 	case MSP_MODE_EXTERN:
-		v4l_dbg(1, msp_debug, client,
+		dev_dbg_lvl(&client->dev, 1, msp_debug,
 			"extern set_audmode: %s\n", modestr);
 		src = 0x0200;  /* SCART */
 		break;
 	case MSP_MODE_FM_RADIO:
-		v4l_dbg(1, msp_debug, client,
+		dev_dbg_lvl(&client->dev, 1, msp_debug,
 			"FM-Radio set_audmode: %s\n", modestr);
 		break;
 	default:
-		v4l_dbg(1, msp_debug, client, "mono set_audmode\n");
+		dev_dbg_lvl(&client->dev, 1, msp_debug, "mono set_audmode\n");
 		return;
 	}
 
 	/* switch audio */
-	v4l_dbg(1, msp_debug, client, "set audmode %d\n", audmode);
+	dev_dbg_lvl(&client->dev, 1, msp_debug, "set audmode %d\n", audmode);
 	switch (audmode) {
 	case V4L2_TUNER_MODE_STEREO:
 	case V4L2_TUNER_MODE_LANG1_LANG2:
@@ -361,7 +361,7 @@ static void msp3400c_set_audmode(struct i2c_client *client)
 		break;
 	case V4L2_TUNER_MODE_MONO:
 		if (state->mode == MSP_MODE_AM_NICAM) {
-			v4l_dbg(1, msp_debug, client, "switching to AM mono\n");
+			dev_dbg_lvl(&client->dev, 1, msp_debug, "switching to AM mono\n");
 			/* AM mono decoding is handled by tuner, not MSP chip */
 			/* SCART switching control register */
 			msp_set_scart(client, SCART_MONO, 0);
@@ -377,7 +377,7 @@ static void msp3400c_set_audmode(struct i2c_client *client)
 		src |= 0x0010;
 		break;
 	}
-	v4l_dbg(1, msp_debug, client,
+	dev_dbg_lvl(&client->dev, 1, msp_debug,
 		"set_audmode final source/matrix = 0x%x\n", src);
 
 	msp_set_source(client, src);
@@ -388,23 +388,23 @@ static void msp3400c_print_mode(struct i2c_client *client)
 	struct msp_state *state = to_state(i2c_get_clientdata(client));
 
 	if (state->main == state->second)
-		v4l_dbg(1, msp_debug, client,
+		dev_dbg_lvl(&client->dev, 1, msp_debug,
 			"mono sound carrier: %d.%03d MHz\n",
 			state->main / 910000, (state->main / 910) % 1000);
 	else
-		v4l_dbg(1, msp_debug, client,
+		dev_dbg_lvl(&client->dev, 1, msp_debug,
 			"main sound carrier: %d.%03d MHz\n",
 			state->main / 910000, (state->main / 910) % 1000);
 	if (state->mode == MSP_MODE_FM_NICAM1 || state->mode == MSP_MODE_FM_NICAM2)
-		v4l_dbg(1, msp_debug, client,
+		dev_dbg_lvl(&client->dev, 1, msp_debug,
 			"NICAM/FM carrier  : %d.%03d MHz\n",
 			state->second / 910000, (state->second/910) % 1000);
 	if (state->mode == MSP_MODE_AM_NICAM)
-		v4l_dbg(1, msp_debug, client,
+		dev_dbg_lvl(&client->dev, 1, msp_debug,
 			"NICAM/AM carrier  : %d.%03d MHz\n",
 			state->second / 910000, (state->second / 910) % 1000);
 	if (state->mode == MSP_MODE_FM_TERRA && state->main != state->second) {
-		v4l_dbg(1, msp_debug, client,
+		dev_dbg_lvl(&client->dev, 1, msp_debug,
 			"FM-stereo carrier : %d.%03d MHz\n",
 			state->second / 910000, (state->second / 910) % 1000);
 	}
@@ -425,7 +425,7 @@ static int msp3400c_detect_stereo(struct i2c_client *client)
 		val = msp_read_dsp(client, 0x18);
 		if (val > 32767)
 			val -= 65536;
-		v4l_dbg(2, msp_debug, client,
+		dev_dbg_lvl(&client->dev, 2, msp_debug,
 			"stereo detect register: %d\n", val);
 		if (val > 8192) {
 			rxsubchans = V4L2_TUNER_SUB_STEREO;
@@ -440,7 +440,7 @@ static int msp3400c_detect_stereo(struct i2c_client *client)
 	case MSP_MODE_FM_NICAM2:
 	case MSP_MODE_AM_NICAM:
 		val = msp_read_dem(client, 0x23);
-		v4l_dbg(2, msp_debug, client, "nicam sync=%d, mode=%d\n",
+		dev_dbg_lvl(&client->dev, 2, msp_debug, "nicam sync=%d, mode=%d\n",
 			val & 1, (val & 0x1e) >> 1);
 
 		if (val & 1) {
@@ -471,14 +471,14 @@ static int msp3400c_detect_stereo(struct i2c_client *client)
 	}
 	if (rxsubchans != state->rxsubchans) {
 		update = 1;
-		v4l_dbg(1, msp_debug, client,
+		dev_dbg_lvl(&client->dev, 1, msp_debug,
 			"watch: rxsubchans %02x => %02x\n",
 			state->rxsubchans, rxsubchans);
 		state->rxsubchans = rxsubchans;
 	}
 	if (newnicam != state->nicam_on) {
 		update = 1;
-		v4l_dbg(1, msp_debug, client, "watch: nicam %d => %d\n",
+		dev_dbg_lvl(&client->dev, 1, msp_debug, "watch: nicam %d => %d\n",
 			state->nicam_on, newnicam);
 		state->nicam_on = newnicam;
 	}
@@ -508,23 +508,23 @@ int msp3400c_thread(void *data)
 	struct msp3400c_carrier_detect *cd;
 	int count, max1, max2, val1, val2, val, i;
 
-	v4l_dbg(1, msp_debug, client, "msp3400 daemon started\n");
+	dev_dbg_lvl(&client->dev, 1, msp_debug, "msp3400 daemon started\n");
 	state->detected_std = V4L2_STD_ALL;
 	set_freezable();
 	for (;;) {
-		v4l_dbg(2, msp_debug, client, "msp3400 thread: sleep\n");
+		dev_dbg_lvl(&client->dev, 2, msp_debug, "msp3400 thread: sleep\n");
 		msp_sleep(state, -1);
-		v4l_dbg(2, msp_debug, client, "msp3400 thread: wakeup\n");
+		dev_dbg_lvl(&client->dev, 2, msp_debug, "msp3400 thread: wakeup\n");
 
 restart:
-		v4l_dbg(2, msp_debug, client, "thread: restart scan\n");
+		dev_dbg_lvl(&client->dev, 2, msp_debug, "thread: restart scan\n");
 		state->restart = 0;
 		if (kthread_should_stop())
 			break;
 
 		if (state->radio || MSP_MODE_EXTERN == state->mode) {
 			/* no carrier scan, just unmute */
-			v4l_dbg(1, msp_debug, client,
+			dev_dbg_lvl(&client->dev, 1, msp_debug,
 				"thread: no carrier scan\n");
 			state->scan_in_progress = 0;
 			msp_update_volume(state);
@@ -553,7 +553,7 @@ restart:
 			/* autodetect doesn't work well with AM ... */
 			max1 = 3;
 			count = 0;
-			v4l_dbg(1, msp_debug, client, "AM sound override\n");
+			dev_dbg_lvl(&client->dev, 1, msp_debug, "AM sound override\n");
 		}
 
 		for (i = 0; i < count; i++) {
@@ -565,7 +565,7 @@ restart:
 				val -= 65536;
 			if (val1 < val)
 				val1 = val, max1 = i;
-			v4l_dbg(1, msp_debug, client,
+			dev_dbg_lvl(&client->dev, 1, msp_debug,
 				"carrier1 val: %5d / %s\n", val, cd[i].name);
 		}
 
@@ -602,7 +602,7 @@ restart:
 				val -= 65536;
 			if (val2 < val)
 				val2 = val, max2 = i;
-			v4l_dbg(1, msp_debug, client,
+			dev_dbg_lvl(&client->dev, 1, msp_debug,
 				"carrier2 val: %5d / %s\n", val, cd[i].name);
 		}
 
@@ -687,7 +687,7 @@ no_second:
 			watch_stereo(client);
 		}
 	}
-	v4l_dbg(1, msp_debug, client, "thread: exit\n");
+	dev_dbg_lvl(&client->dev, 1, msp_debug, "thread: exit\n");
 	return 0;
 }
 
@@ -698,23 +698,23 @@ int msp3410d_thread(void *data)
 	struct msp_state *state = to_state(i2c_get_clientdata(client));
 	int val, i, std, count;
 
-	v4l_dbg(1, msp_debug, client, "msp3410 daemon started\n");
+	dev_dbg_lvl(&client->dev, 1, msp_debug, "msp3410 daemon started\n");
 	state->detected_std = V4L2_STD_ALL;
 	set_freezable();
 	for (;;) {
-		v4l_dbg(2, msp_debug, client, "msp3410 thread: sleep\n");
+		dev_dbg_lvl(&client->dev, 2, msp_debug, "msp3410 thread: sleep\n");
 		msp_sleep(state, -1);
-		v4l_dbg(2, msp_debug, client, "msp3410 thread: wakeup\n");
+		dev_dbg_lvl(&client->dev, 2, msp_debug, "msp3410 thread: wakeup\n");
 
 restart:
-		v4l_dbg(2, msp_debug, client, "thread: restart scan\n");
+		dev_dbg_lvl(&client->dev, 2, msp_debug, "thread: restart scan\n");
 		state->restart = 0;
 		if (kthread_should_stop())
 			break;
 
 		if (state->mode == MSP_MODE_EXTERN) {
 			/* no carrier scan needed, just unmute */
-			v4l_dbg(1, msp_debug, client,
+			dev_dbg_lvl(&client->dev, 1, msp_debug,
 				"thread: no carrier scan\n");
 			state->scan_in_progress = 0;
 			msp_update_volume(state);
@@ -740,7 +740,7 @@ restart:
 			goto restart;
 
 		if (msp_debug)
-			v4l_dbg(2, msp_debug, client,
+			dev_dbg_lvl(&client->dev, 2, msp_debug,
 				"setting standard: %s (0x%04x)\n",
 				msp_standard_std_name(std), std);
 
@@ -758,14 +758,14 @@ restart:
 				val = msp_read_dem(client, 0x7e);
 				if (val < 0x07ff)
 					break;
-				v4l_dbg(2, msp_debug, client,
+				dev_dbg_lvl(&client->dev, 2, msp_debug,
 					"detection still in progress\n");
 			}
 		}
 		for (i = 0; msp_stdlist[i].name != NULL; i++)
 			if (msp_stdlist[i].retval == val)
 				break;
-		v4l_dbg(1, msp_debug, client, "current standard: %s (0x%04x)\n",
+		dev_dbg_lvl(&client->dev, 1, msp_debug, "current standard: %s (0x%04x)\n",
 			msp_standard_std_name(val), val);
 		state->main   = msp_stdlist[i].main;
 		state->second = msp_stdlist[i].second;
@@ -775,8 +775,7 @@ restart:
 		if (msp_amsound && !state->radio &&
 		    (state->v4l2_std & V4L2_STD_SECAM) && (val != 0x0009)) {
 			/* autodetection has failed, let backup */
-			v4l_dbg(1, msp_debug, client, "autodetection failed,"
-				" switching to backup standard: %s (0x%04x)\n",
+			dev_dbg_lvl(&client->dev, 1, msp_debug, "autodetection failed, switching to backup standard: %s (0x%04x)\n",
 				msp_stdlist[8].name ?
 					msp_stdlist[8].name : "unknown", val);
 			state->std = val = 0x0009;
@@ -850,7 +849,7 @@ restart:
 			watch_stereo(client);
 		}
 	}
-	v4l_dbg(1, msp_debug, client, "thread: exit\n");
+	dev_dbg_lvl(&client->dev, 1, msp_debug, "thread: exit\n");
 	return 0;
 }
 
@@ -867,23 +866,23 @@ static int msp34xxg_modus(struct i2c_client *client)
 	struct msp_state *state = to_state(i2c_get_clientdata(client));
 
 	if (state->radio) {
-		v4l_dbg(1, msp_debug, client, "selected radio modus\n");
+		dev_dbg_lvl(&client->dev, 1, msp_debug, "selected radio modus\n");
 		return 0x0001;
 	}
 	if (state->v4l2_std == V4L2_STD_NTSC_M_JP) {
-		v4l_dbg(1, msp_debug, client, "selected M (EIA-J) modus\n");
+		dev_dbg_lvl(&client->dev, 1, msp_debug, "selected M (EIA-J) modus\n");
 		return 0x4001;
 	}
 	if (state->v4l2_std == V4L2_STD_NTSC_M_KR) {
-		v4l_dbg(1, msp_debug, client, "selected M (A2) modus\n");
+		dev_dbg_lvl(&client->dev, 1, msp_debug, "selected M (A2) modus\n");
 		return 0x0001;
 	}
 	if (state->v4l2_std == V4L2_STD_SECAM_L) {
-		v4l_dbg(1, msp_debug, client, "selected SECAM-L modus\n");
+		dev_dbg_lvl(&client->dev, 1, msp_debug, "selected SECAM-L modus\n");
 		return 0x6001;
 	}
 	if (state->v4l2_std & V4L2_STD_MN) {
-		v4l_dbg(1, msp_debug, client, "selected M (BTSC) modus\n");
+		dev_dbg_lvl(&client->dev, 1, msp_debug, "selected M (BTSC) modus\n");
 		return 0x2001;
 	}
 	return 0x7001;
@@ -927,7 +926,7 @@ static void msp34xxg_set_source(struct i2c_client *client, u16 reg, int in)
 	else
 		source = (in << 8) | matrix;
 
-	v4l_dbg(1, msp_debug, client,
+	dev_dbg_lvl(&client->dev, 1, msp_debug,
 		"set source to %d (0x%x) for output %02x\n", in, source, reg);
 	msp_write_dsp(client, reg, source);
 }
@@ -996,23 +995,23 @@ int msp34xxg_thread(void *data)
 	struct msp_state *state = to_state(i2c_get_clientdata(client));
 	int val, i;
 
-	v4l_dbg(1, msp_debug, client, "msp34xxg daemon started\n");
+	dev_dbg_lvl(&client->dev, 1, msp_debug, "msp34xxg daemon started\n");
 	state->detected_std = V4L2_STD_ALL;
 	set_freezable();
 	for (;;) {
-		v4l_dbg(2, msp_debug, client, "msp34xxg thread: sleep\n");
+		dev_dbg_lvl(&client->dev, 2, msp_debug, "msp34xxg thread: sleep\n");
 		msp_sleep(state, -1);
-		v4l_dbg(2, msp_debug, client, "msp34xxg thread: wakeup\n");
+		dev_dbg_lvl(&client->dev, 2, msp_debug, "msp34xxg thread: wakeup\n");
 
 restart:
-		v4l_dbg(1, msp_debug, client, "thread: restart scan\n");
+		dev_dbg_lvl(&client->dev, 1, msp_debug, "thread: restart scan\n");
 		state->restart = 0;
 		if (kthread_should_stop())
 			break;
 
 		if (state->mode == MSP_MODE_EXTERN) {
 			/* no carrier scan needed, just unmute */
-			v4l_dbg(1, msp_debug, client,
+			dev_dbg_lvl(&client->dev, 1, msp_debug,
 				"thread: no carrier scan\n");
 			state->scan_in_progress = 0;
 			msp_update_volume(state);
@@ -1029,7 +1028,7 @@ restart:
 			goto unmute;
 
 		/* watch autodetect */
-		v4l_dbg(1, msp_debug, client,
+		dev_dbg_lvl(&client->dev, 1, msp_debug,
 			"started autodetect, waiting for result\n");
 		for (i = 0; i < 10; i++) {
 			if (msp_sleep(state, 100))
@@ -1041,17 +1040,17 @@ restart:
 				state->std = val;
 				break;
 			}
-			v4l_dbg(2, msp_debug, client,
+			dev_dbg_lvl(&client->dev, 2, msp_debug,
 				"detection still in progress\n");
 		}
 		if (state->std == 1) {
-			v4l_dbg(1, msp_debug, client,
+			dev_dbg_lvl(&client->dev, 1, msp_debug,
 				"detection still in progress after 10 tries. giving up.\n");
 			continue;
 		}
 
 unmute:
-		v4l_dbg(1, msp_debug, client,
+		dev_dbg_lvl(&client->dev, 1, msp_debug,
 			"detected standard: %s (0x%04x)\n",
 			msp_standard_std_name(state->std), state->std);
 		state->detected_std = msp_standard_std(state->std);
@@ -1084,7 +1083,7 @@ unmute:
 				goto restart;
 		}
 	}
-	v4l_dbg(1, msp_debug, client, "thread: exit\n");
+	dev_dbg_lvl(&client->dev, 1, msp_debug, "thread: exit\n");
 	return 0;
 }
 
@@ -1111,7 +1110,7 @@ static int msp34xxg_detect_stereo(struct i2c_client *client)
 			state->rxsubchans =
 				V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2;
 	}
-	v4l_dbg(1, msp_debug, client,
+	dev_dbg_lvl(&client->dev, 1, msp_debug,
 		"status=0x%x, stereo=%d, bilingual=%d -> rxsubchans=%d\n",
 		status, is_stereo, is_bilingual, state->rxsubchans);
 	return (oldrx != state->rxsubchans);
diff --git a/drivers/media/i2c/smiapp-pll.c b/drivers/media/i2c/smiapp-pll.c
index e3348db56c46..771db56332b2 100644
--- a/drivers/media/i2c/smiapp-pll.c
+++ b/drivers/media/i2c/smiapp-pll.c
@@ -479,7 +479,8 @@ int smiapp_pll_calculate(struct device *dev,
 		return 0;
 	}
 
-	dev_info(dev, "unable to compute pre_pll divisor\n");
+	dev_dbg(dev, "unable to compute pre_pll divisor\n");
+
 	return rval;
 }
 EXPORT_SYMBOL_GPL(smiapp_pll_calculate);
diff --git a/drivers/media/i2c/smiapp/smiapp-core.c b/drivers/media/i2c/smiapp/smiapp-core.c
index 44f8c7e10a35..59872b31f832 100644
--- a/drivers/media/i2c/smiapp/smiapp-core.c
+++ b/drivers/media/i2c/smiapp/smiapp-core.c
@@ -26,6 +26,7 @@
 #include <linux/gpio.h>
 #include <linux/gpio/consumer.h>
 #include <linux/module.h>
+#include <linux/pm_runtime.h>
 #include <linux/regulator/consumer.h>
 #include <linux/slab.h>
 #include <linux/smiapp.h>
@@ -68,10 +69,9 @@ static int smiapp_read_frame_fmt(struct smiapp_sensor *sensor)
 	struct i2c_client *client = v4l2_get_subdevdata(&sensor->src->sd);
 	u32 fmt_model_type, fmt_model_subtype, ncol_desc, nrow_desc;
 	unsigned int i;
-	int rval;
+	int pixel_count = 0;
 	int line_count = 0;
-	int embedded_start = -1, embedded_end = -1;
-	int image_start = 0;
+	int rval;
 
 	rval = smiapp_read(sensor, SMIAPP_REG_U8_FRAME_FORMAT_MODEL_TYPE,
 			   &fmt_model_type);
@@ -101,12 +101,11 @@ static int smiapp_read_frame_fmt(struct smiapp_sensor *sensor)
 		u32 pixels;
 		char *which;
 		char *what;
+		u32 reg;
 
 		if (fmt_model_type == SMIAPP_FRAME_FORMAT_MODEL_TYPE_2BYTE) {
-			rval = smiapp_read(
-				sensor,
-				SMIAPP_REG_U16_FRAME_FORMAT_DESCRIPTOR_2(i),
-				&desc);
+			reg = SMIAPP_REG_U16_FRAME_FORMAT_DESCRIPTOR_2(i);
+			rval = smiapp_read(sensor, reg,	&desc);
 			if (rval)
 				return rval;
 
@@ -117,10 +116,8 @@ static int smiapp_read_frame_fmt(struct smiapp_sensor *sensor)
 			pixels = desc & SMIAPP_FRAME_FORMAT_DESC_2_PIXELS_MASK;
 		} else if (fmt_model_type
 			   == SMIAPP_FRAME_FORMAT_MODEL_TYPE_4BYTE) {
-			rval = smiapp_read(
-				sensor,
-				SMIAPP_REG_U32_FRAME_FORMAT_DESCRIPTOR_4(i),
-				&desc);
+			reg = SMIAPP_REG_U32_FRAME_FORMAT_DESCRIPTOR_4(i);
+			rval = smiapp_read(sensor, reg, &desc);
 			if (rval)
 				return rval;
 
@@ -159,40 +156,47 @@ static int smiapp_read_frame_fmt(struct smiapp_sensor *sensor)
 			break;
 		default:
 			what = "invalid";
-			dev_dbg(&client->dev, "pixelcode %d\n", pixelcode);
 			break;
 		}
 
-		dev_dbg(&client->dev, "%s pixels: %d %s\n",
-			what, pixels, which);
-
-		if (i < ncol_desc)
+		dev_dbg(&client->dev,
+			"0x%8.8x %s pixels: %d %s (pixelcode %u)\n", reg,
+			what, pixels, which, pixelcode);
+
+		if (i < ncol_desc) {
+			if (pixelcode ==
+			    SMIAPP_FRAME_FORMAT_DESC_PIXELCODE_VISIBLE)
+				sensor->visible_pixel_start = pixel_count;
+			pixel_count += pixels;
 			continue;
+		}
 
 		/* Handle row descriptors */
-		if (pixelcode
-		    == SMIAPP_FRAME_FORMAT_DESC_PIXELCODE_EMBEDDED) {
-			embedded_start = line_count;
-		} else {
-			if (pixelcode == SMIAPP_FRAME_FORMAT_DESC_PIXELCODE_VISIBLE
-			    || pixels >= sensor->limits[SMIAPP_LIMIT_MIN_FRAME_LENGTH_LINES] / 2)
-				image_start = line_count;
-			if (embedded_start != -1 && embedded_end == -1)
-				embedded_end = line_count;
+		switch (pixelcode) {
+		case SMIAPP_FRAME_FORMAT_DESC_PIXELCODE_EMBEDDED:
+			if (sensor->embedded_end)
+				break;
+			sensor->embedded_start = line_count;
+			sensor->embedded_end = line_count + pixels;
+			break;
+		case SMIAPP_FRAME_FORMAT_DESC_PIXELCODE_VISIBLE:
+			sensor->image_start = line_count;
+			break;
 		}
 		line_count += pixels;
 	}
 
-	if (embedded_start == -1 || embedded_end == -1) {
-		embedded_start = 0;
-		embedded_end = 0;
+	if (sensor->embedded_end > sensor->image_start) {
+		dev_dbg(&client->dev,
+			"adjusting image start line to %u (was %u)\n",
+			sensor->embedded_end, sensor->image_start);
+		sensor->image_start = sensor->embedded_end;
 	}
 
-	sensor->image_start = image_start;
-
 	dev_dbg(&client->dev, "embedded data from lines %d to %d\n",
-		embedded_start, embedded_end);
-	dev_dbg(&client->dev, "image data starts at line %d\n", image_start);
+		sensor->embedded_start, sensor->embedded_end);
+	dev_dbg(&client->dev, "image data starts at line %d\n",
+		sensor->image_start);
 
 	return 0;
 }
@@ -443,8 +447,7 @@ static int smiapp_set_ctrl(struct v4l2_ctrl *ctrl)
 			orient |= SMIAPP_IMAGE_ORIENTATION_VFLIP;
 
 		orient ^= sensor->hvflip_inv_mask;
-		rval = smiapp_write(sensor,
-				    SMIAPP_REG_U8_IMAGE_ORIENTATION,
+		rval = smiapp_write(sensor, SMIAPP_REG_U8_IMAGE_ORIENTATION,
 				    orient);
 		if (rval < 0)
 			return rval;
@@ -459,10 +462,8 @@ static int smiapp_set_ctrl(struct v4l2_ctrl *ctrl)
 		__smiapp_update_exposure_limits(sensor);
 
 		if (exposure > sensor->exposure->maximum) {
-			sensor->exposure->val =
-				sensor->exposure->maximum;
-			rval = smiapp_set_ctrl(
-				sensor->exposure);
+			sensor->exposure->val =	sensor->exposure->maximum;
+			rval = smiapp_set_ctrl(sensor->exposure);
 			if (rval < 0)
 				return rval;
 		}
@@ -621,7 +622,7 @@ static int smiapp_init_controls(struct smiapp_sensor *sensor)
 static int smiapp_init_late_controls(struct smiapp_sensor *sensor)
 {
 	unsigned long *valid_link_freqs = &sensor->valid_link_freqs[
-		sensor->csi_format->compressed - SMIAPP_COMPRESSED_BASE];
+		sensor->csi_format->compressed - sensor->compressed_min_bpp];
 	unsigned int max, i;
 
 	for (i = 0; i < ARRAY_SIZE(sensor->test_data); i++) {
@@ -754,6 +755,7 @@ static int smiapp_get_mbus_formats(struct smiapp_sensor *sensor)
 {
 	struct i2c_client *client = v4l2_get_subdevdata(&sensor->src->sd);
 	struct smiapp_pll *pll = &sensor->pll;
+	u8 compressed_max_bpp = 0;
 	unsigned int type, n;
 	unsigned int i, pixel_order;
 	int rval;
@@ -826,16 +828,27 @@ static int smiapp_get_mbus_formats(struct smiapp_sensor *sensor)
 	pll->scale_m = sensor->scale_m;
 
 	for (i = 0; i < ARRAY_SIZE(smiapp_csi_data_formats); i++) {
+		sensor->compressed_min_bpp =
+			min(smiapp_csi_data_formats[i].compressed,
+			    sensor->compressed_min_bpp);
+		compressed_max_bpp =
+			max(smiapp_csi_data_formats[i].compressed,
+			    compressed_max_bpp);
+	}
+
+	sensor->valid_link_freqs = devm_kcalloc(
+		&client->dev,
+		compressed_max_bpp - sensor->compressed_min_bpp + 1,
+		sizeof(*sensor->valid_link_freqs), GFP_KERNEL);
+
+	for (i = 0; i < ARRAY_SIZE(smiapp_csi_data_formats); i++) {
 		const struct smiapp_csi_data_format *f =
 			&smiapp_csi_data_formats[i];
 		unsigned long *valid_link_freqs =
 			&sensor->valid_link_freqs[
-				f->compressed - SMIAPP_COMPRESSED_BASE];
+				f->compressed - sensor->compressed_min_bpp];
 		unsigned int j;
 
-		BUG_ON(f->compressed < SMIAPP_COMPRESSED_BASE);
-		BUG_ON(f->compressed > SMIAPP_COMPRESSED_MAX);
-
 		if (!(sensor->default_mbus_frame_fmts & 1 << i))
 			continue;
 
@@ -914,12 +927,6 @@ static int smiapp_update_mode(struct smiapp_sensor *sensor)
 	unsigned int binning_mode;
 	int rval;
 
-	dev_dbg(&client->dev, "frame size: %dx%d\n",
-		sensor->src->crop[SMIAPP_PAD_SRC].width,
-		sensor->src->crop[SMIAPP_PAD_SRC].height);
-	dev_dbg(&client->dev, "csi format width: %d\n",
-		sensor->csi_format->width);
-
 	/* Binning has to be set up here; it affects limits */
 	if (sensor->binning_horizontal == 1 &&
 	    sensor->binning_vertical == 1) {
@@ -1196,9 +1203,17 @@ out:
  * Power management
  */
 
-static int smiapp_power_on(struct smiapp_sensor *sensor)
+static int smiapp_power_on(struct device *dev)
 {
-	struct i2c_client *client = v4l2_get_subdevdata(&sensor->src->sd);
+	struct i2c_client *client = to_i2c_client(dev);
+	struct v4l2_subdev *subdev = i2c_get_clientdata(client);
+	struct smiapp_subdev *ssd = to_smiapp_subdev(subdev);
+	/*
+	 * The sub-device related to the I2C device is always the
+	 * source one, i.e. ssds[0].
+	 */
+	struct smiapp_sensor *sensor =
+		container_of(ssd, struct smiapp_sensor, ssds[0]);
 	unsigned int sleep;
 	int rval;
 
@@ -1307,8 +1322,7 @@ static int smiapp_power_on(struct smiapp_sensor *sensor)
 	if (!sensor->pixel_array)
 		return 0;
 
-	rval = v4l2_ctrl_handler_setup(
-		&sensor->pixel_array->ctrl_handler);
+	rval = v4l2_ctrl_handler_setup(&sensor->pixel_array->ctrl_handler);
 	if (rval)
 		goto out_cci_addr_fail;
 
@@ -1325,16 +1339,24 @@ static int smiapp_power_on(struct smiapp_sensor *sensor)
 	return 0;
 
 out_cci_addr_fail:
+
 	gpiod_set_value(sensor->xshutdown, 0);
 	clk_disable_unprepare(sensor->ext_clk);
 
 out_xclk_fail:
 	regulator_disable(sensor->vana);
+
 	return rval;
 }
 
-static void smiapp_power_off(struct smiapp_sensor *sensor)
+static int smiapp_power_off(struct device *dev)
 {
+	struct i2c_client *client = to_i2c_client(dev);
+	struct v4l2_subdev *subdev = i2c_get_clientdata(client);
+	struct smiapp_subdev *ssd = to_smiapp_subdev(subdev);
+	struct smiapp_sensor *sensor =
+		container_of(ssd, struct smiapp_sensor, ssds[0]);
+
 	/*
 	 * Currently power/clock to lens are enable/disabled separately
 	 * but they are essentially the same signals. So if the sensor is
@@ -1352,31 +1374,31 @@ static void smiapp_power_off(struct smiapp_sensor *sensor)
 	usleep_range(5000, 5000);
 	regulator_disable(sensor->vana);
 	sensor->streaming = false;
+
+	return 0;
 }
 
 static int smiapp_set_power(struct v4l2_subdev *subdev, int on)
 {
-	struct smiapp_sensor *sensor = to_smiapp_sensor(subdev);
-	int ret = 0;
+	int rval;
 
-	mutex_lock(&sensor->power_mutex);
+	if (!on) {
+		pm_runtime_mark_last_busy(subdev->dev);
+		pm_runtime_put_autosuspend(subdev->dev);
 
-	if (on && !sensor->power_count) {
-		/* Power on and perform initialisation. */
-		ret = smiapp_power_on(sensor);
-		if (ret < 0)
-			goto out;
-	} else if (!on && sensor->power_count == 1) {
-		smiapp_power_off(sensor);
+		return 0;
 	}
 
-	/* Update the power count. */
-	sensor->power_count += on ? 1 : -1;
-	WARN_ON(sensor->power_count < 0);
+	rval = pm_runtime_get_sync(subdev->dev);
+	if (rval >= 0)
+		return 0;
 
-out:
-	mutex_unlock(&sensor->power_mutex);
-	return ret;
+	if (rval != -EBUSY && rval != -EAGAIN)
+		pm_runtime_set_active(subdev->dev);
+
+	pm_runtime_put(subdev->dev);
+
+	return rval;
 }
 
 /* -----------------------------------------------------------------------------
@@ -1614,7 +1636,8 @@ static int __smiapp_get_format(struct v4l2_subdev *subdev,
 	struct smiapp_subdev *ssd = to_smiapp_subdev(subdev);
 
 	if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) {
-		fmt->format = *v4l2_subdev_get_try_format(subdev, cfg, fmt->pad);
+		fmt->format = *v4l2_subdev_get_try_format(subdev, cfg,
+							  fmt->pad);
 	} else {
 		struct v4l2_rect *r;
 
@@ -1714,7 +1737,6 @@ static void smiapp_propagate(struct v4l2_subdev *subdev,
 static const struct smiapp_csi_data_format
 *smiapp_validate_csi_data_format(struct smiapp_sensor *sensor, u32 code)
 {
-	const struct smiapp_csi_data_format *csi_format = sensor->csi_format;
 	unsigned int i;
 
 	for (i = 0; i < ARRAY_SIZE(smiapp_csi_data_formats); i++) {
@@ -1723,7 +1745,7 @@ static const struct smiapp_csi_data_format
 			return &smiapp_csi_data_formats[i];
 	}
 
-	return csi_format;
+	return sensor->csi_format;
 }
 
 static int smiapp_set_format_source(struct v4l2_subdev *subdev,
@@ -1769,7 +1791,7 @@ static int smiapp_set_format_source(struct v4l2_subdev *subdev,
 
 	valid_link_freqs = 
 		&sensor->valid_link_freqs[sensor->csi_format->compressed
-					  - SMIAPP_COMPRESSED_BASE];
+					  - sensor->compressed_min_bpp];
 
 	__v4l2_ctrl_modify_range(
 		sensor->link_freq, 0,
@@ -2057,8 +2079,7 @@ static int smiapp_set_compose(struct v4l2_subdev *subdev,
 		smiapp_set_compose_scaler(subdev, cfg, sel, crops, comp);
 
 	*comp = sel->r;
-	smiapp_propagate(subdev, cfg, sel->which,
-			 V4L2_SEL_TGT_COMPOSE);
+	smiapp_propagate(subdev, cfg, sel->which, V4L2_SEL_TGT_COMPOSE);
 
 	if (sel->which == V4L2_SUBDEV_FORMAT_ACTIVE)
 		return smiapp_update_mode(sensor);
@@ -2135,9 +2156,8 @@ static int smiapp_set_crop(struct v4l2_subdev *subdev,
 				->height;
 			src_size = &_r;
 		} else {
-			src_size =
-				v4l2_subdev_get_try_compose(
-					subdev, cfg, ssd->sink_pad);
+			src_size = v4l2_subdev_get_try_compose(
+				subdev, cfg, ssd->sink_pad);
 		}
 	}
 
@@ -2161,6 +2181,15 @@ static int smiapp_set_crop(struct v4l2_subdev *subdev,
 	return 0;
 }
 
+static void smiapp_get_native_size(struct smiapp_subdev *ssd,
+				    struct v4l2_rect *r)
+{
+	r->top = 0;
+	r->left = 0;
+	r->width = ssd->sensor->limits[SMIAPP_LIMIT_X_ADDR_MAX] + 1;
+	r->height = ssd->sensor->limits[SMIAPP_LIMIT_Y_ADDR_MAX] + 1;
+}
+
 static int __smiapp_get_selection(struct v4l2_subdev *subdev,
 				  struct v4l2_subdev_pad_config *cfg,
 				  struct v4l2_subdev_selection *sel)
@@ -2192,17 +2221,12 @@ static int __smiapp_get_selection(struct v4l2_subdev *subdev,
 	switch (sel->target) {
 	case V4L2_SEL_TGT_CROP_BOUNDS:
 	case V4L2_SEL_TGT_NATIVE_SIZE:
-		if (ssd == sensor->pixel_array) {
-			sel->r.left = sel->r.top = 0;
-			sel->r.width =
-				sensor->limits[SMIAPP_LIMIT_X_ADDR_MAX] + 1;
-			sel->r.height =
-				sensor->limits[SMIAPP_LIMIT_Y_ADDR_MAX] + 1;
-		} else if (sel->pad == ssd->sink_pad) {
+		if (ssd == sensor->pixel_array)
+			smiapp_get_native_size(ssd, &sel->r);
+		else if (sel->pad == ssd->sink_pad)
 			sel->r = sink_fmt;
-		} else {
+		else
 			sel->r = *comp;
-		}
 		break;
 	case V4L2_SEL_TGT_CROP:
 	case V4L2_SEL_TGT_COMPOSE_BOUNDS:
@@ -2303,15 +2327,26 @@ smiapp_sysfs_nvm_read(struct device *dev, struct device_attribute *attr,
 		return -EBUSY;
 
 	if (!sensor->nvm_size) {
+		int rval;
+
 		/* NVM not read yet - read it now */
 		sensor->nvm_size = sensor->hwcfg->nvm_size;
-		if (smiapp_set_power(subdev, 1) < 0)
+
+		rval = pm_runtime_get_sync(&client->dev);
+		if (rval < 0) {
+			if (rval != -EBUSY && rval != -EAGAIN)
+				pm_runtime_set_active(&client->dev);
+			pm_runtime_put(&client->dev);
 			return -ENODEV;
+		}
+
 		if (smiapp_read_nvm(sensor, sensor->nvm)) {
 			dev_err(&client->dev, "nvm read failed\n");
 			return -ENODEV;
 		}
-		smiapp_set_power(subdev, 0);
+
+		pm_runtime_mark_last_busy(&client->dev);
+		pm_runtime_put_autosuspend(&client->dev);
 	}
 	/*
 	 * NVM is still way below a PAGE_SIZE, so we can safely
@@ -2475,383 +2510,160 @@ static const struct v4l2_subdev_ops smiapp_ops;
 static const struct v4l2_subdev_internal_ops smiapp_internal_ops;
 static const struct media_entity_operations smiapp_entity_ops;
 
-static int smiapp_register_subdevs(struct smiapp_sensor *sensor)
+static int smiapp_register_subdev(struct smiapp_sensor *sensor,
+				  struct smiapp_subdev *ssd,
+				  struct smiapp_subdev *sink_ssd,
+				  u16 source_pad, u16 sink_pad, u32 link_flags)
 {
 	struct i2c_client *client = v4l2_get_subdevdata(&sensor->src->sd);
-	struct smiapp_subdev *ssds[] = {
-		sensor->scaler,
-		sensor->binner,
-		sensor->pixel_array,
-	};
-	unsigned int i;
 	int rval;
 
-	for (i = 0; i < SMIAPP_SUBDEVS - 1; i++) {
-		struct smiapp_subdev *this = ssds[i + 1];
-		struct smiapp_subdev *last = ssds[i];
-
-		if (!last)
-			continue;
+	if (!sink_ssd)
+		return 0;
 
-		rval = media_entity_pads_init(&this->sd.entity,
-					 this->npads, this->pads);
-		if (rval) {
-			dev_err(&client->dev,
-				"media_entity_pads_init failed\n");
-			return rval;
-		}
+	rval = media_entity_pads_init(&ssd->sd.entity,
+				      ssd->npads, ssd->pads);
+	if (rval) {
+		dev_err(&client->dev,
+			"media_entity_pads_init failed\n");
+		return rval;
+	}
 
-		rval = v4l2_device_register_subdev(sensor->src->sd.v4l2_dev,
-						   &this->sd);
-		if (rval) {
-			dev_err(&client->dev,
-				"v4l2_device_register_subdev failed\n");
-			return rval;
-		}
+	rval = v4l2_device_register_subdev(sensor->src->sd.v4l2_dev,
+					   &ssd->sd);
+	if (rval) {
+		dev_err(&client->dev,
+			"v4l2_device_register_subdev failed\n");
+		return rval;
+	}
 
-		rval = media_create_pad_link(&this->sd.entity,
-					     this->source_pad,
-					     &last->sd.entity,
-					     last->sink_pad,
-					     MEDIA_LNK_FL_ENABLED |
-					     MEDIA_LNK_FL_IMMUTABLE);
-		if (rval) {
-			dev_err(&client->dev,
-				"media_create_pad_link failed\n");
-			return rval;
-		}
+	rval = media_create_pad_link(&ssd->sd.entity, source_pad,
+				     &sink_ssd->sd.entity, sink_pad,
+				     link_flags);
+	if (rval) {
+		dev_err(&client->dev,
+			"media_create_pad_link failed\n");
+		v4l2_device_unregister_subdev(&ssd->sd);
+		return rval;
 	}
 
 	return 0;
 }
 
-static void smiapp_cleanup(struct smiapp_sensor *sensor)
+static void smiapp_unregistered(struct v4l2_subdev *subdev)
 {
-	struct i2c_client *client = v4l2_get_subdevdata(&sensor->src->sd);
-
-	device_remove_file(&client->dev, &dev_attr_nvm);
-	device_remove_file(&client->dev, &dev_attr_ident);
+	struct smiapp_sensor *sensor = to_smiapp_sensor(subdev);
+	unsigned int i;
 
-	smiapp_free_controls(sensor);
+	for (i = 1; i < sensor->ssds_used; i++)
+		v4l2_device_unregister_subdev(&sensor->ssds[i].sd);
 }
 
-static int smiapp_init(struct smiapp_sensor *sensor)
+static int smiapp_registered(struct v4l2_subdev *subdev)
 {
-	struct i2c_client *client = v4l2_get_subdevdata(&sensor->src->sd);
-	struct smiapp_pll *pll = &sensor->pll;
-	struct smiapp_subdev *last = NULL;
-	unsigned int i;
+	struct smiapp_sensor *sensor = to_smiapp_sensor(subdev);
 	int rval;
 
-	sensor->vana = devm_regulator_get(&client->dev, "vana");
-	if (IS_ERR(sensor->vana)) {
-		dev_err(&client->dev, "could not get regulator for vana\n");
-		return PTR_ERR(sensor->vana);
-	}
-
-	sensor->ext_clk = devm_clk_get(&client->dev, NULL);
-	if (IS_ERR(sensor->ext_clk)) {
-		dev_err(&client->dev, "could not get clock (%ld)\n",
-			PTR_ERR(sensor->ext_clk));
-		return -EPROBE_DEFER;
-	}
-
-	rval = clk_set_rate(sensor->ext_clk,
-			    sensor->hwcfg->ext_clk);
-	if (rval < 0) {
-		dev_err(&client->dev,
-			"unable to set clock freq to %u\n",
-			sensor->hwcfg->ext_clk);
-		return rval;
+	if (sensor->scaler) {
+		rval = smiapp_register_subdev(
+			sensor, sensor->binner, sensor->scaler,
+			SMIAPP_PAD_SRC, SMIAPP_PAD_SINK,
+			MEDIA_LNK_FL_ENABLED | MEDIA_LNK_FL_IMMUTABLE);
+		if (rval < 0)
+			return rval;
 	}
 
-	sensor->xshutdown = devm_gpiod_get_optional(&client->dev, "xshutdown",
-						    GPIOD_OUT_LOW);
-	if (IS_ERR(sensor->xshutdown))
-		return PTR_ERR(sensor->xshutdown);
-
-	rval = smiapp_power_on(sensor);
+	rval = smiapp_register_subdev(
+		sensor, sensor->pixel_array, sensor->binner,
+		SMIAPP_PA_PAD_SRC, SMIAPP_PAD_SINK,
+		MEDIA_LNK_FL_ENABLED | MEDIA_LNK_FL_IMMUTABLE);
 	if (rval)
-		return -ENODEV;
-
-	rval = smiapp_identify_module(sensor);
-	if (rval) {
-		rval = -ENODEV;
-		goto out_power_off;
-	}
-
-	rval = smiapp_get_all_limits(sensor);
-	if (rval) {
-		rval = -ENODEV;
-		goto out_power_off;
-	}
-
-	/*
-	 * Handle Sensor Module orientation on the board.
-	 *
-	 * The application of H-FLIP and V-FLIP on the sensor is modified by
-	 * the sensor orientation on the board.
-	 *
-	 * For SMIAPP_BOARD_SENSOR_ORIENT_180 the default behaviour is to set
-	 * both H-FLIP and V-FLIP for normal operation which also implies
-	 * that a set/unset operation for user space HFLIP and VFLIP v4l2
-	 * controls will need to be internally inverted.
-	 *
-	 * Rotation also changes the bayer pattern.
-	 */
-	if (sensor->hwcfg->module_board_orient ==
-	    SMIAPP_MODULE_BOARD_ORIENT_180)
-		sensor->hvflip_inv_mask = SMIAPP_IMAGE_ORIENTATION_HFLIP |
-					  SMIAPP_IMAGE_ORIENTATION_VFLIP;
-
-	rval = smiapp_call_quirk(sensor, limits);
-	if (rval) {
-		dev_err(&client->dev, "limits quirks failed\n");
-		goto out_power_off;
-	}
-
-	if (sensor->limits[SMIAPP_LIMIT_BINNING_CAPABILITY]) {
-		u32 val;
-
-		rval = smiapp_read(sensor,
-				   SMIAPP_REG_U8_BINNING_SUBTYPES, &val);
-		if (rval < 0) {
-			rval = -ENODEV;
-			goto out_power_off;
-		}
-		sensor->nbinning_subtypes = min_t(u8, val,
-						  SMIAPP_BINNING_SUBTYPES);
-
-		for (i = 0; i < sensor->nbinning_subtypes; i++) {
-			rval = smiapp_read(
-				sensor, SMIAPP_REG_U8_BINNING_TYPE_n(i), &val);
-			if (rval < 0) {
-				rval = -ENODEV;
-				goto out_power_off;
-			}
-			sensor->binning_subtypes[i] =
-				*(struct smiapp_binning_subtype *)&val;
+		goto out_err;
 
-			dev_dbg(&client->dev, "binning %xx%x\n",
-				sensor->binning_subtypes[i].horizontal,
-				sensor->binning_subtypes[i].vertical);
-		}
-	}
-	sensor->binning_horizontal = 1;
-	sensor->binning_vertical = 1;
+	return 0;
 
-	if (device_create_file(&client->dev, &dev_attr_ident) != 0) {
-		dev_err(&client->dev, "sysfs ident entry creation failed\n");
-		rval = -ENOENT;
-		goto out_power_off;
-	}
-	/* SMIA++ NVM initialization - it will be read from the sensor
-	 * when it is first requested by userspace.
-	 */
-	if (sensor->minfo.smiapp_version && sensor->hwcfg->nvm_size) {
-		sensor->nvm = devm_kzalloc(&client->dev,
-				sensor->hwcfg->nvm_size, GFP_KERNEL);
-		if (sensor->nvm == NULL) {
-			dev_err(&client->dev, "nvm buf allocation failed\n");
-			rval = -ENOMEM;
-			goto out_cleanup;
-		}
+out_err:
+	smiapp_unregistered(subdev);
 
-		if (device_create_file(&client->dev, &dev_attr_nvm) != 0) {
-			dev_err(&client->dev, "sysfs nvm entry failed\n");
-			rval = -EBUSY;
-			goto out_cleanup;
-		}
-	}
+	return rval;
+}
 
-	/* We consider this as profile 0 sensor if any of these are zero. */
-	if (!sensor->limits[SMIAPP_LIMIT_MIN_OP_SYS_CLK_DIV] ||
-	    !sensor->limits[SMIAPP_LIMIT_MAX_OP_SYS_CLK_DIV] ||
-	    !sensor->limits[SMIAPP_LIMIT_MIN_OP_PIX_CLK_DIV] ||
-	    !sensor->limits[SMIAPP_LIMIT_MAX_OP_PIX_CLK_DIV]) {
-		sensor->minfo.smiapp_profile = SMIAPP_PROFILE_0;
-	} else if (sensor->limits[SMIAPP_LIMIT_SCALING_CAPABILITY]
-		   != SMIAPP_SCALING_CAPABILITY_NONE) {
-		if (sensor->limits[SMIAPP_LIMIT_SCALING_CAPABILITY]
-		    == SMIAPP_SCALING_CAPABILITY_HORIZONTAL)
-			sensor->minfo.smiapp_profile = SMIAPP_PROFILE_1;
-		else
-			sensor->minfo.smiapp_profile = SMIAPP_PROFILE_2;
-		sensor->scaler = &sensor->ssds[sensor->ssds_used];
-		sensor->ssds_used++;
-	} else if (sensor->limits[SMIAPP_LIMIT_DIGITAL_CROP_CAPABILITY]
-		   == SMIAPP_DIGITAL_CROP_CAPABILITY_INPUT_CROP) {
-		sensor->scaler = &sensor->ssds[sensor->ssds_used];
-		sensor->ssds_used++;
-	}
-	sensor->binner = &sensor->ssds[sensor->ssds_used];
-	sensor->ssds_used++;
-	sensor->pixel_array = &sensor->ssds[sensor->ssds_used];
-	sensor->ssds_used++;
+static void smiapp_cleanup(struct smiapp_sensor *sensor)
+{
+	struct i2c_client *client = v4l2_get_subdevdata(&sensor->src->sd);
 
-	sensor->scale_m = sensor->limits[SMIAPP_LIMIT_SCALER_N_MIN];
+	device_remove_file(&client->dev, &dev_attr_nvm);
+	device_remove_file(&client->dev, &dev_attr_ident);
 
-	/* prepare PLL configuration input values */
-	pll->bus_type = SMIAPP_PLL_BUS_TYPE_CSI2;
-	pll->csi2.lanes = sensor->hwcfg->lanes;
-	pll->ext_clk_freq_hz = sensor->hwcfg->ext_clk;
-	pll->scale_n = sensor->limits[SMIAPP_LIMIT_SCALER_N_MIN];
-	/* Profile 0 sensors have no separate OP clock branch. */
-	if (sensor->minfo.smiapp_profile == SMIAPP_PROFILE_0)
-		pll->flags |= SMIAPP_PLL_FLAG_NO_OP_CLOCKS;
-
-	for (i = 0; i < SMIAPP_SUBDEVS; i++) {
-		struct {
-			struct smiapp_subdev *ssd;
-			char *name;
-		} const __this[] = {
-			{ sensor->scaler, "scaler", },
-			{ sensor->binner, "binner", },
-			{ sensor->pixel_array, "pixel array", },
-		}, *_this = &__this[i];
-		struct smiapp_subdev *this = _this->ssd;
-
-		if (!this)
-			continue;
+	smiapp_free_controls(sensor);
+}
 
-		if (this != sensor->src)
-			v4l2_subdev_init(&this->sd, &smiapp_ops);
+static void smiapp_create_subdev(struct smiapp_sensor *sensor,
+				 struct smiapp_subdev *ssd, const char *name,
+				 unsigned short num_pads)
+{
+	struct i2c_client *client = v4l2_get_subdevdata(&sensor->src->sd);
 
-		this->sensor = sensor;
+	if (!ssd)
+		return;
 
-		if (this == sensor->pixel_array) {
-			this->npads = 1;
-		} else {
-			this->npads = 2;
-			this->source_pad = 1;
-		}
+	if (ssd != sensor->src)
+		v4l2_subdev_init(&ssd->sd, &smiapp_ops);
 
-		snprintf(this->sd.name,
-			 sizeof(this->sd.name), "%s %s %d-%4.4x",
-			 sensor->minfo.name, _this->name,
-			 i2c_adapter_id(client->adapter), client->addr);
-
-		this->sink_fmt.width =
-			sensor->limits[SMIAPP_LIMIT_X_ADDR_MAX] + 1;
-		this->sink_fmt.height =
-			sensor->limits[SMIAPP_LIMIT_Y_ADDR_MAX] + 1;
-		this->compose.width = this->sink_fmt.width;
-		this->compose.height = this->sink_fmt.height;
-		this->crop[this->source_pad] = this->compose;
-		this->pads[this->source_pad].flags = MEDIA_PAD_FL_SOURCE;
-		if (this != sensor->pixel_array) {
-			this->crop[this->sink_pad] = this->compose;
-			this->pads[this->sink_pad].flags = MEDIA_PAD_FL_SINK;
-		}
+	ssd->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
+	ssd->sensor = sensor;
 
-		this->sd.entity.ops = &smiapp_entity_ops;
+	ssd->npads = num_pads;
+	ssd->source_pad = num_pads - 1;
 
-		if (last == NULL) {
-			last = this;
-			continue;
-		}
+	snprintf(ssd->sd.name,
+		 sizeof(ssd->sd.name), "%s %s %d-%4.4x", sensor->minfo.name,
+		 name, i2c_adapter_id(client->adapter), client->addr);
 
-		this->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
-		this->sd.internal_ops = &smiapp_internal_ops;
-		this->sd.owner = THIS_MODULE;
-		v4l2_set_subdevdata(&this->sd, client);
+	smiapp_get_native_size(ssd, &ssd->sink_fmt);
 
-		last = this;
+	ssd->compose.width = ssd->sink_fmt.width;
+	ssd->compose.height = ssd->sink_fmt.height;
+	ssd->crop[ssd->source_pad] = ssd->compose;
+	ssd->pads[ssd->source_pad].flags = MEDIA_PAD_FL_SOURCE;
+	if (ssd != sensor->pixel_array) {
+		ssd->crop[ssd->sink_pad] = ssd->compose;
+		ssd->pads[ssd->sink_pad].flags = MEDIA_PAD_FL_SINK;
 	}
 
-	dev_dbg(&client->dev, "profile %d\n", sensor->minfo.smiapp_profile);
+	ssd->sd.entity.ops = &smiapp_entity_ops;
 
-	sensor->pixel_array->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR;
-
-	/* final steps */
-	smiapp_read_frame_fmt(sensor);
-	rval = smiapp_init_controls(sensor);
-	if (rval < 0)
-		goto out_cleanup;
-
-	rval = smiapp_call_quirk(sensor, init);
-	if (rval)
-		goto out_cleanup;
+	if (ssd == sensor->src)
+		return;
 
-	rval = smiapp_get_mbus_formats(sensor);
-	if (rval) {
-		rval = -ENODEV;
-		goto out_cleanup;
-	}
-
-	rval = smiapp_init_late_controls(sensor);
-	if (rval) {
-		rval = -ENODEV;
-		goto out_cleanup;
-	}
-
-	mutex_lock(&sensor->mutex);
-	rval = smiapp_update_mode(sensor);
-	mutex_unlock(&sensor->mutex);
-	if (rval) {
-		dev_err(&client->dev, "update mode failed\n");
-		goto out_cleanup;
-	}
-
-	sensor->streaming = false;
-	sensor->dev_init_done = true;
-
-	smiapp_power_off(sensor);
-
-	return 0;
-
-out_cleanup:
-	smiapp_cleanup(sensor);
-
-out_power_off:
-	smiapp_power_off(sensor);
-	return rval;
-}
-
-static int smiapp_registered(struct v4l2_subdev *subdev)
-{
-	struct smiapp_sensor *sensor = to_smiapp_sensor(subdev);
-	struct i2c_client *client = v4l2_get_subdevdata(subdev);
-	int rval;
-
-	if (!client->dev.of_node) {
-		rval = smiapp_init(sensor);
-		if (rval)
-			return rval;
-	}
-
-	rval = smiapp_register_subdevs(sensor);
-	if (rval)
-		smiapp_cleanup(sensor);
-
-	return rval;
+	ssd->sd.internal_ops = &smiapp_internal_ops;
+	ssd->sd.owner = THIS_MODULE;
+	ssd->sd.dev = &client->dev;
+	v4l2_set_subdevdata(&ssd->sd, client);
 }
 
 static int smiapp_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh)
 {
 	struct smiapp_subdev *ssd = to_smiapp_subdev(sd);
 	struct smiapp_sensor *sensor = ssd->sensor;
-	u32 mbus_code =
-		smiapp_csi_data_formats[smiapp_pixel_order(sensor)].code;
 	unsigned int i;
+	int rval;
 
 	mutex_lock(&sensor->mutex);
 
 	for (i = 0; i < ssd->npads; i++) {
 		struct v4l2_mbus_framefmt *try_fmt =
 			v4l2_subdev_get_try_format(sd, fh->pad, i);
-		struct v4l2_rect *try_crop = v4l2_subdev_get_try_crop(sd, fh->pad, i);
+		struct v4l2_rect *try_crop =
+			v4l2_subdev_get_try_crop(sd, fh->pad, i);
 		struct v4l2_rect *try_comp;
 
-		try_fmt->width = sensor->limits[SMIAPP_LIMIT_X_ADDR_MAX] + 1;
-		try_fmt->height = sensor->limits[SMIAPP_LIMIT_Y_ADDR_MAX] + 1;
-		try_fmt->code = mbus_code;
-		try_fmt->field = V4L2_FIELD_NONE;
+		smiapp_get_native_size(ssd, try_crop);
 
-		try_crop->top = 0;
-		try_crop->left = 0;
-		try_crop->width = try_fmt->width;
-		try_crop->height = try_fmt->height;
+		try_fmt->width = try_crop->width;
+		try_fmt->height = try_crop->height;
+		try_fmt->code = sensor->internal_csi_format->code;
+		try_fmt->field = V4L2_FIELD_NONE;
 
 		if (ssd != sensor->pixel_array)
 			continue;
@@ -2862,12 +2674,23 @@ static int smiapp_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh)
 
 	mutex_unlock(&sensor->mutex);
 
-	return smiapp_set_power(sd, 1);
+	rval = pm_runtime_get_sync(sd->dev);
+	if (rval >= 0)
+		return 0;
+
+	if (rval != -EBUSY && rval != -EAGAIN)
+		pm_runtime_set_active(sd->dev);
+	pm_runtime_put(sd->dev);
+
+	return rval;
 }
 
 static int smiapp_close(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh)
 {
-	return smiapp_set_power(sd, 0);
+	pm_runtime_mark_last_busy(sd->dev);
+	pm_runtime_put_autosuspend(sd->dev);
+
+	return 0;
 }
 
 static const struct v4l2_subdev_video_ops smiapp_video_ops = {
@@ -2904,6 +2727,7 @@ static const struct media_entity_operations smiapp_entity_ops = {
 
 static const struct v4l2_subdev_internal_ops smiapp_internal_src_ops = {
 	.registered = smiapp_registered,
+	.unregistered = smiapp_unregistered,
 	.open = smiapp_open,
 	.close = smiapp_close,
 };
@@ -2924,20 +2748,20 @@ static int smiapp_suspend(struct device *dev)
 	struct i2c_client *client = to_i2c_client(dev);
 	struct v4l2_subdev *subdev = i2c_get_clientdata(client);
 	struct smiapp_sensor *sensor = to_smiapp_sensor(subdev);
-	bool streaming;
-
-	BUG_ON(mutex_is_locked(&sensor->mutex));
+	bool streaming = sensor->streaming;
+	int rval;
 
-	if (sensor->power_count == 0)
-		return 0;
+	rval = pm_runtime_get_sync(dev);
+	if (rval < 0) {
+		if (rval != -EBUSY && rval != -EAGAIN)
+			pm_runtime_set_active(&client->dev);
+		pm_runtime_put(dev);
+		return -EAGAIN;
+	}
 
 	if (sensor->streaming)
 		smiapp_stop_streaming(sensor);
 
-	streaming = sensor->streaming;
-
-	smiapp_power_off(sensor);
-
 	/* save state for resume */
 	sensor->streaming = streaming;
 
@@ -2949,14 +2773,9 @@ static int smiapp_resume(struct device *dev)
 	struct i2c_client *client = to_i2c_client(dev);
 	struct v4l2_subdev *subdev = i2c_get_clientdata(client);
 	struct smiapp_sensor *sensor = to_smiapp_sensor(subdev);
-	int rval;
-
-	if (sensor->power_count == 0)
-		return 0;
+	int rval = 0;
 
-	rval = smiapp_power_on(sensor);
-	if (rval)
-		return rval;
+	pm_runtime_put(dev);
 
 	if (sensor->streaming)
 		rval = smiapp_start_streaming(sensor);
@@ -3051,6 +2870,7 @@ static int smiapp_probe(struct i2c_client *client,
 {
 	struct smiapp_sensor *sensor;
 	struct smiapp_hwconfig *hwcfg = smiapp_get_hwconfig(&client->dev);
+	unsigned int i;
 	int rval;
 
 	if (hwcfg == NULL)
@@ -3062,35 +2882,240 @@ static int smiapp_probe(struct i2c_client *client,
 
 	sensor->hwcfg = hwcfg;
 	mutex_init(&sensor->mutex);
-	mutex_init(&sensor->power_mutex);
 	sensor->src = &sensor->ssds[sensor->ssds_used];
 
 	v4l2_i2c_subdev_init(&sensor->src->sd, client, &smiapp_ops);
 	sensor->src->sd.internal_ops = &smiapp_internal_src_ops;
-	sensor->src->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
-	sensor->src->sensor = sensor;
 
-	sensor->src->pads[0].flags = MEDIA_PAD_FL_SOURCE;
-	rval = media_entity_pads_init(&sensor->src->sd.entity, 2,
-				 sensor->src->pads);
-	if (rval < 0)
+	sensor->vana = devm_regulator_get(&client->dev, "vana");
+	if (IS_ERR(sensor->vana)) {
+		dev_err(&client->dev, "could not get regulator for vana\n");
+		return PTR_ERR(sensor->vana);
+	}
+
+	sensor->ext_clk = devm_clk_get(&client->dev, NULL);
+	if (IS_ERR(sensor->ext_clk)) {
+		dev_err(&client->dev, "could not get clock (%ld)\n",
+			PTR_ERR(sensor->ext_clk));
+		return -EPROBE_DEFER;
+	}
+
+	rval = clk_set_rate(sensor->ext_clk, sensor->hwcfg->ext_clk);
+	if (rval < 0) {
+		dev_err(&client->dev,
+			"unable to set clock freq to %u\n",
+			sensor->hwcfg->ext_clk);
 		return rval;
+	}
 
-	if (client->dev.of_node) {
-		rval = smiapp_init(sensor);
-		if (rval)
-			goto out_media_entity_cleanup;
+	sensor->xshutdown = devm_gpiod_get_optional(&client->dev, "xshutdown",
+						    GPIOD_OUT_LOW);
+	if (IS_ERR(sensor->xshutdown))
+		return PTR_ERR(sensor->xshutdown);
+
+	pm_runtime_enable(&client->dev);
+
+	rval = pm_runtime_get_sync(&client->dev);
+	if (rval < 0) {
+		rval = -ENODEV;
+		goto out_power_off;
+	}
+
+	rval = smiapp_identify_module(sensor);
+	if (rval) {
+		rval = -ENODEV;
+		goto out_power_off;
+	}
+
+	rval = smiapp_get_all_limits(sensor);
+	if (rval) {
+		rval = -ENODEV;
+		goto out_power_off;
 	}
 
+	rval = smiapp_read_frame_fmt(sensor);
+	if (rval) {
+		rval = -ENODEV;
+		goto out_power_off;
+	}
+
+	/*
+	 * Handle Sensor Module orientation on the board.
+	 *
+	 * The application of H-FLIP and V-FLIP on the sensor is modified by
+	 * the sensor orientation on the board.
+	 *
+	 * For SMIAPP_BOARD_SENSOR_ORIENT_180 the default behaviour is to set
+	 * both H-FLIP and V-FLIP for normal operation which also implies
+	 * that a set/unset operation for user space HFLIP and VFLIP v4l2
+	 * controls will need to be internally inverted.
+	 *
+	 * Rotation also changes the bayer pattern.
+	 */
+	if (sensor->hwcfg->module_board_orient ==
+	    SMIAPP_MODULE_BOARD_ORIENT_180)
+		sensor->hvflip_inv_mask = SMIAPP_IMAGE_ORIENTATION_HFLIP |
+					  SMIAPP_IMAGE_ORIENTATION_VFLIP;
+
+	rval = smiapp_call_quirk(sensor, limits);
+	if (rval) {
+		dev_err(&client->dev, "limits quirks failed\n");
+		goto out_power_off;
+	}
+
+	if (sensor->limits[SMIAPP_LIMIT_BINNING_CAPABILITY]) {
+		u32 val;
+
+		rval = smiapp_read(sensor,
+				   SMIAPP_REG_U8_BINNING_SUBTYPES, &val);
+		if (rval < 0) {
+			rval = -ENODEV;
+			goto out_power_off;
+		}
+		sensor->nbinning_subtypes = min_t(u8, val,
+						  SMIAPP_BINNING_SUBTYPES);
+
+		for (i = 0; i < sensor->nbinning_subtypes; i++) {
+			rval = smiapp_read(
+				sensor, SMIAPP_REG_U8_BINNING_TYPE_n(i), &val);
+			if (rval < 0) {
+				rval = -ENODEV;
+				goto out_power_off;
+			}
+			sensor->binning_subtypes[i] =
+				*(struct smiapp_binning_subtype *)&val;
+
+			dev_dbg(&client->dev, "binning %xx%x\n",
+				sensor->binning_subtypes[i].horizontal,
+				sensor->binning_subtypes[i].vertical);
+		}
+	}
+	sensor->binning_horizontal = 1;
+	sensor->binning_vertical = 1;
+
+	if (device_create_file(&client->dev, &dev_attr_ident) != 0) {
+		dev_err(&client->dev, "sysfs ident entry creation failed\n");
+		rval = -ENOENT;
+		goto out_power_off;
+	}
+	/* SMIA++ NVM initialization - it will be read from the sensor
+	 * when it is first requested by userspace.
+	 */
+	if (sensor->minfo.smiapp_version && sensor->hwcfg->nvm_size) {
+		sensor->nvm = devm_kzalloc(&client->dev,
+				sensor->hwcfg->nvm_size, GFP_KERNEL);
+		if (sensor->nvm == NULL) {
+			rval = -ENOMEM;
+			goto out_cleanup;
+		}
+
+		if (device_create_file(&client->dev, &dev_attr_nvm) != 0) {
+			dev_err(&client->dev, "sysfs nvm entry failed\n");
+			rval = -EBUSY;
+			goto out_cleanup;
+		}
+	}
+
+	/* We consider this as profile 0 sensor if any of these are zero. */
+	if (!sensor->limits[SMIAPP_LIMIT_MIN_OP_SYS_CLK_DIV] ||
+	    !sensor->limits[SMIAPP_LIMIT_MAX_OP_SYS_CLK_DIV] ||
+	    !sensor->limits[SMIAPP_LIMIT_MIN_OP_PIX_CLK_DIV] ||
+	    !sensor->limits[SMIAPP_LIMIT_MAX_OP_PIX_CLK_DIV]) {
+		sensor->minfo.smiapp_profile = SMIAPP_PROFILE_0;
+	} else if (sensor->limits[SMIAPP_LIMIT_SCALING_CAPABILITY]
+		   != SMIAPP_SCALING_CAPABILITY_NONE) {
+		if (sensor->limits[SMIAPP_LIMIT_SCALING_CAPABILITY]
+		    == SMIAPP_SCALING_CAPABILITY_HORIZONTAL)
+			sensor->minfo.smiapp_profile = SMIAPP_PROFILE_1;
+		else
+			sensor->minfo.smiapp_profile = SMIAPP_PROFILE_2;
+		sensor->scaler = &sensor->ssds[sensor->ssds_used];
+		sensor->ssds_used++;
+	} else if (sensor->limits[SMIAPP_LIMIT_DIGITAL_CROP_CAPABILITY]
+		   == SMIAPP_DIGITAL_CROP_CAPABILITY_INPUT_CROP) {
+		sensor->scaler = &sensor->ssds[sensor->ssds_used];
+		sensor->ssds_used++;
+	}
+	sensor->binner = &sensor->ssds[sensor->ssds_used];
+	sensor->ssds_used++;
+	sensor->pixel_array = &sensor->ssds[sensor->ssds_used];
+	sensor->ssds_used++;
+
+	sensor->scale_m = sensor->limits[SMIAPP_LIMIT_SCALER_N_MIN];
+
+	/* prepare PLL configuration input values */
+	sensor->pll.bus_type = SMIAPP_PLL_BUS_TYPE_CSI2;
+	sensor->pll.csi2.lanes = sensor->hwcfg->lanes;
+	sensor->pll.ext_clk_freq_hz = sensor->hwcfg->ext_clk;
+	sensor->pll.scale_n = sensor->limits[SMIAPP_LIMIT_SCALER_N_MIN];
+	/* Profile 0 sensors have no separate OP clock branch. */
+	if (sensor->minfo.smiapp_profile == SMIAPP_PROFILE_0)
+		sensor->pll.flags |= SMIAPP_PLL_FLAG_NO_OP_CLOCKS;
+
+	smiapp_create_subdev(sensor, sensor->scaler, "scaler", 2);
+	smiapp_create_subdev(sensor, sensor->binner, "binner", 2);
+	smiapp_create_subdev(sensor, sensor->pixel_array, "pixel_array", 1);
+
+	dev_dbg(&client->dev, "profile %d\n", sensor->minfo.smiapp_profile);
+
+	sensor->pixel_array->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR;
+
+	rval = smiapp_init_controls(sensor);
+	if (rval < 0)
+		goto out_cleanup;
+
+	rval = smiapp_call_quirk(sensor, init);
+	if (rval)
+		goto out_cleanup;
+
+	rval = smiapp_get_mbus_formats(sensor);
+	if (rval) {
+		rval = -ENODEV;
+		goto out_cleanup;
+	}
+
+	rval = smiapp_init_late_controls(sensor);
+	if (rval) {
+		rval = -ENODEV;
+		goto out_cleanup;
+	}
+
+	mutex_lock(&sensor->mutex);
+	rval = smiapp_update_mode(sensor);
+	mutex_unlock(&sensor->mutex);
+	if (rval) {
+		dev_err(&client->dev, "update mode failed\n");
+		goto out_cleanup;
+	}
+
+	sensor->streaming = false;
+	sensor->dev_init_done = true;
+
+	rval = media_entity_pads_init(&sensor->src->sd.entity, 2,
+				 sensor->src->pads);
+	if (rval < 0)
+		goto out_media_entity_cleanup;
+
 	rval = v4l2_async_register_subdev(&sensor->src->sd);
 	if (rval < 0)
 		goto out_media_entity_cleanup;
 
+	pm_runtime_set_autosuspend_delay(&client->dev, 1000);
+	pm_runtime_use_autosuspend(&client->dev);
+	pm_runtime_put_autosuspend(&client->dev);
+
 	return 0;
 
 out_media_entity_cleanup:
 	media_entity_cleanup(&sensor->src->sd.entity);
 
+out_cleanup:
+	smiapp_cleanup(sensor);
+
+out_power_off:
+	pm_runtime_put(&client->dev);
+	pm_runtime_disable(&client->dev);
+
 	return rval;
 }
 
@@ -3102,11 +3127,8 @@ static int smiapp_remove(struct i2c_client *client)
 
 	v4l2_async_unregister_subdev(subdev);
 
-	if (sensor->power_count) {
-		gpiod_set_value(sensor->xshutdown, 0);
-		clk_disable_unprepare(sensor->ext_clk);
-		sensor->power_count = 0;
-	}
+	pm_runtime_suspend(&client->dev);
+	pm_runtime_disable(&client->dev);
 
 	for (i = 0; i < sensor->ssds_used; i++) {
 		v4l2_device_unregister_subdev(&sensor->ssds[i].sd);
@@ -3130,8 +3152,8 @@ static const struct i2c_device_id smiapp_id_table[] = {
 MODULE_DEVICE_TABLE(i2c, smiapp_id_table);
 
 static const struct dev_pm_ops smiapp_pm_ops = {
-	.suspend	= smiapp_suspend,
-	.resume		= smiapp_resume,
+	SET_SYSTEM_SLEEP_PM_OPS(smiapp_suspend, smiapp_resume)
+	SET_RUNTIME_PM_OPS(smiapp_power_off, smiapp_power_on, NULL)
 };
 
 static struct i2c_driver smiapp_i2c_driver = {
diff --git a/drivers/media/i2c/smiapp/smiapp-regs.c b/drivers/media/i2c/smiapp/smiapp-regs.c
index 1e501c06d18c..d6779e35d36f 100644
--- a/drivers/media/i2c/smiapp/smiapp-regs.c
+++ b/drivers/media/i2c/smiapp/smiapp-regs.c
@@ -268,8 +268,8 @@ int smiapp_write_no_quirk(struct smiapp_sensor *sensor, u32 reg, u32 val)
 		if (r == 1) {
 			if (retries)
 				dev_err(&client->dev,
-					"sensor i2c stall encountered. "
-					"retries: %d\n", retries);
+					"sensor i2c stall encountered. retries: %d\n",
+					retries);
 			return 0;
 		}
 
diff --git a/drivers/media/i2c/smiapp/smiapp.h b/drivers/media/i2c/smiapp/smiapp.h
index aae72bc87bf7..f74d695018b9 100644
--- a/drivers/media/i2c/smiapp/smiapp.h
+++ b/drivers/media/i2c/smiapp/smiapp.h
@@ -150,11 +150,6 @@ struct smiapp_csi_data_format {
 #define SMIAPP_PAD_SRC			1
 #define SMIAPP_PADS			2
 
-#define SMIAPP_COMPRESSED_BASE		8
-#define SMIAPP_COMPRESSED_MAX		16
-#define SMIAPP_NR_OF_COMPRESSED		(SMIAPP_COMPRESSED_MAX - \
-					 SMIAPP_COMPRESSED_BASE + 1)
-
 struct smiapp_binning_subtype {
 	u8 horizontal:4;
 	u8 vertical:4;
@@ -162,9 +157,9 @@ struct smiapp_binning_subtype {
 
 struct smiapp_subdev {
 	struct v4l2_subdev sd;
-	struct media_pad pads[2];
+	struct media_pad pads[SMIAPP_PADS];
 	struct v4l2_rect sink_fmt;
-	struct v4l2_rect crop[2];
+	struct v4l2_rect crop[SMIAPP_PADS];
 	struct v4l2_rect compose; /* compose on sink */
 	unsigned short sink_pad;
 	unsigned short source_pad;
@@ -181,16 +176,9 @@ struct smiapp_sensor {
 	 * "mutex" is used to serialise access to all fields here
 	 * except v4l2_ctrls at the end of the struct. "mutex" is also
 	 * used to serialise access to file handle specific
-	 * information. The exception to this rule is the power_mutex
-	 * below.
+	 * information.
 	 */
 	struct mutex mutex;
-	/*
-	 * power_mutex is used to serialise power management related
-	 * activities. Acquiring "mutex" at that time isn't necessary
-	 * since there are no other users anyway.
-	 */
-	struct mutex power_mutex;
 	struct smiapp_subdev ssds[SMIAPP_SUBDEVS];
 	u32 ssds_used;
 	struct smiapp_subdev *src;
@@ -218,12 +206,14 @@ struct smiapp_sensor {
 
 	u8 hvflip_inv_mask; /* H/VFLIP inversion due to sensor orientation */
 	u8 frame_skip;
-	u16 image_start;	/* Offset to first line after metadata lines */
-
-	int power_count;
+	u16 embedded_start; /* embedded data start line */
+	u16 embedded_end;
+	u16 image_start; /* image data start line */
+	u16 visible_pixel_start; /* start pixel of the visible image */
 
 	bool streaming;
 	bool dev_init_done;
+	u8 compressed_min_bpp;
 
 	u8 *nvm;		/* nvm memory buffer */
 	unsigned int nvm_size;	/* bytes */
@@ -233,7 +223,7 @@ struct smiapp_sensor {
 	struct smiapp_pll pll;
 
 	/* Is a default format supported for a given BPP? */
-	unsigned long valid_link_freqs[SMIAPP_NR_OF_COMPRESSED];
+	unsigned long *valid_link_freqs;
 
 	/* Pixel array controls */
 	struct v4l2_ctrl *analog_gain;
diff --git a/drivers/media/i2c/soc_camera/ov772x.c b/drivers/media/i2c/soc_camera/ov772x.c
index 7e68762b3a4b..985a3672b243 100644
--- a/drivers/media/i2c/soc_camera/ov772x.c
+++ b/drivers/media/i2c/soc_camera/ov772x.c
@@ -1064,8 +1064,7 @@ static int ov772x_probe(struct i2c_client *client,
 
 	if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) {
 		dev_err(&adapter->dev,
-			"I2C-Adapter doesn't support "
-			"I2C_FUNC_SMBUS_BYTE_DATA\n");
+			"I2C-Adapter doesn't support I2C_FUNC_SMBUS_BYTE_DATA\n");
 		return -EIO;
 	}
 
diff --git a/drivers/media/i2c/soc_camera/ov9740.c b/drivers/media/i2c/soc_camera/ov9740.c
index 0da632d7d33a..f11f76cdacad 100644
--- a/drivers/media/i2c/soc_camera/ov9740.c
+++ b/drivers/media/i2c/soc_camera/ov9740.c
@@ -881,8 +881,7 @@ static int ov9740_video_probe(struct i2c_client *client)
 		goto done;
 	}
 
-	dev_info(&client->dev, "ov9740 Model ID 0x%04x, Revision 0x%02x, "
-		 "Manufacturer 0x%02x, SMIA Version 0x%02x\n",
+	dev_info(&client->dev, "ov9740 Model ID 0x%04x, Revision 0x%02x, Manufacturer 0x%02x, SMIA Version 0x%02x\n",
 		 priv->model, priv->revision, priv->manid, priv->smiaver);
 
 	ret = v4l2_ctrl_handler_setup(&priv->hdl);
diff --git a/drivers/media/i2c/soc_camera/tw9910.c b/drivers/media/i2c/soc_camera/tw9910.c
index 4002c07f3857..c9c49ed707b8 100644
--- a/drivers/media/i2c/soc_camera/tw9910.c
+++ b/drivers/media/i2c/soc_camera/tw9910.c
@@ -947,8 +947,7 @@ static int tw9910_probe(struct i2c_client *client,
 
 	if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) {
 		dev_err(&client->dev,
-			"I2C-Adapter doesn't support "
-			"I2C_FUNC_SMBUS_BYTE_DATA\n");
+			"I2C-Adapter doesn't support I2C_FUNC_SMBUS_BYTE_DATA\n");
 		return -EIO;
 	}
 
diff --git a/drivers/media/i2c/tvaudio.c b/drivers/media/i2c/tvaudio.c
index 42d1e26e581c..ce86534450ac 100644
--- a/drivers/media/i2c/tvaudio.c
+++ b/drivers/media/i2c/tvaudio.c
@@ -1894,8 +1894,9 @@ static int tvaudio_probe(struct i2c_client *client, const struct i2c_device_id *
 		printk(KERN_INFO "tvaudio: TV audio decoder + audio/video mux driver\n");
 		printk(KERN_INFO "tvaudio: known chips: ");
 		for (desc = chiplist; desc->name != NULL; desc++)
-			printk("%s%s", (desc == chiplist) ? "" : ", ", desc->name);
-		printk("\n");
+			printk(KERN_CONT "%s%s",
+			       (desc == chiplist) ? "" : ", ", desc->name);
+		printk(KERN_CONT "\n");
 	}
 
 	chip = devm_kzalloc(&client->dev, sizeof(*chip), GFP_KERNEL);
diff --git a/drivers/media/i2c/tvp514x.c b/drivers/media/i2c/tvp514x.c
index d5c9347f4c6d..0c62899c3667 100644
--- a/drivers/media/i2c/tvp514x.c
+++ b/drivers/media/i2c/tvp514x.c
@@ -894,7 +894,7 @@ static int tvp514x_enum_mbus_code(struct v4l2_subdev *sd,
 	if (index != 0)
 		return -EINVAL;
 
-	code->code = MEDIA_BUS_FMT_YUYV8_2X8;
+	code->code = MEDIA_BUS_FMT_UYVY8_2X8;
 
 	return 0;
 }
@@ -922,7 +922,7 @@ static int tvp514x_get_pad_format(struct v4l2_subdev *sd,
 		return 0;
 	}
 
-	format->format.code = MEDIA_BUS_FMT_YUYV8_2X8;
+	format->format.code = MEDIA_BUS_FMT_UYVY8_2X8;
 	format->format.width = tvp514x_std_list[decoder->current_std].width;
 	format->format.height = tvp514x_std_list[decoder->current_std].height;
 	format->format.colorspace = V4L2_COLORSPACE_SMPTE170M;
@@ -946,7 +946,7 @@ static int tvp514x_set_pad_format(struct v4l2_subdev *sd,
 	struct tvp514x_decoder *decoder = to_decoder(sd);
 
 	if (fmt->format.field != V4L2_FIELD_INTERLACED ||
-	    fmt->format.code != MEDIA_BUS_FMT_YUYV8_2X8 ||
+	    fmt->format.code != MEDIA_BUS_FMT_UYVY8_2X8 ||
 	    fmt->format.colorspace != V4L2_COLORSPACE_SMPTE170M ||
 	    fmt->format.width != tvp514x_std_list[decoder->current_std].width ||
 	    fmt->format.height != tvp514x_std_list[decoder->current_std].height)
diff --git a/drivers/media/i2c/tvp5150.c b/drivers/media/i2c/tvp5150.c
index 4740da39d698..3a0fe8cc64e9 100644
--- a/drivers/media/i2c/tvp5150.c
+++ b/drivers/media/i2c/tvp5150.c
@@ -36,6 +36,8 @@ static int debug;
 module_param(debug, int, 0644);
 MODULE_PARM_DESC(debug, "Debug level (0-2)");
 
+#define dprintk0(__dev, __arg...) dev_dbg_lvl(__dev, 0, 0, __arg)
+
 struct tvp5150 {
 	struct v4l2_subdev sd;
 #ifdef CONFIG_MEDIA_CONTROLLER
@@ -74,11 +76,11 @@ static int tvp5150_read(struct v4l2_subdev *sd, unsigned char addr)
 
 	rc = i2c_smbus_read_byte_data(c, addr);
 	if (rc < 0) {
-		v4l2_err(sd, "i2c i/o error: rc == %d\n", rc);
+		dev_err(sd->dev, "i2c i/o error: rc == %d\n", rc);
 		return rc;
 	}
 
-	v4l2_dbg(2, debug, sd, "tvp5150: read 0x%02x = 0x%02x\n", addr, rc);
+	dev_dbg_lvl(sd->dev, 2, debug, "tvp5150: read 0x%02x = %02x\n", addr, rc);
 
 	return rc;
 }
@@ -89,10 +91,10 @@ static int tvp5150_write(struct v4l2_subdev *sd, unsigned char addr,
 	struct i2c_client *c = v4l2_get_subdevdata(sd);
 	int rc;
 
-	v4l2_dbg(2, debug, sd, "tvp5150: writing 0x%02x 0x%02x\n", addr, value);
+	dev_dbg_lvl(sd->dev, 2, debug, "tvp5150: writing %02x %02x\n", addr, value);
 	rc = i2c_smbus_write_byte_data(c, addr, value);
 	if (rc < 0)
-		v4l2_err(sd, "i2c i/o error: rc == %d\n", rc);
+		dev_err(sd->dev, "i2c i/o error: rc == %d\n", rc);
 
 	return rc;
 }
@@ -100,138 +102,140 @@ static int tvp5150_write(struct v4l2_subdev *sd, unsigned char addr,
 static void dump_reg_range(struct v4l2_subdev *sd, char *s, u8 init,
 				const u8 end, int max_line)
 {
-	int i = 0;
+	u8 buf[16];
+	int i = 0, j, len;
 
-	while (init != (u8)(end + 1)) {
-		if ((i % max_line) == 0) {
-			if (i > 0)
-				printk("\n");
-			printk("tvp5150: %s reg 0x%02x = ", s, init);
-		}
-		printk("%02x ", tvp5150_read(sd, init));
+	if (max_line > 16) {
+		dprintk0(sd->dev, "too much data to dump\n");
+		return;
+	}
+
+	for (i = init; i < end; i += max_line) {
+		len = (end - i > max_line) ? max_line : end - i;
+
+		for (j = 0; j < len; j++)
+			buf[j] = tvp5150_read(sd, i + j);
 
-		init++;
-		i++;
+		dprintk0(sd->dev, "%s reg %02x = %*ph\n", s, i, len, buf);
 	}
-	printk("\n");
 }
 
 static int tvp5150_log_status(struct v4l2_subdev *sd)
 {
-	printk("tvp5150: Video input source selection #1 = 0x%02x\n",
-			tvp5150_read(sd, TVP5150_VD_IN_SRC_SEL_1));
-	printk("tvp5150: Analog channel controls = 0x%02x\n",
-			tvp5150_read(sd, TVP5150_ANAL_CHL_CTL));
-	printk("tvp5150: Operation mode controls = 0x%02x\n",
-			tvp5150_read(sd, TVP5150_OP_MODE_CTL));
-	printk("tvp5150: Miscellaneous controls = 0x%02x\n",
-			tvp5150_read(sd, TVP5150_MISC_CTL));
-	printk("tvp5150: Autoswitch mask= 0x%02x\n",
-			tvp5150_read(sd, TVP5150_AUTOSW_MSK));
-	printk("tvp5150: Color killer threshold control = 0x%02x\n",
-			tvp5150_read(sd, TVP5150_COLOR_KIL_THSH_CTL));
-	printk("tvp5150: Luminance processing controls #1 #2 and #3 = %02x %02x %02x\n",
-			tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_1),
-			tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_2),
-			tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_3));
-	printk("tvp5150: Brightness control = 0x%02x\n",
-			tvp5150_read(sd, TVP5150_BRIGHT_CTL));
-	printk("tvp5150: Color saturation control = 0x%02x\n",
-			tvp5150_read(sd, TVP5150_SATURATION_CTL));
-	printk("tvp5150: Hue control = 0x%02x\n",
-			tvp5150_read(sd, TVP5150_HUE_CTL));
-	printk("tvp5150: Contrast control = 0x%02x\n",
-			tvp5150_read(sd, TVP5150_CONTRAST_CTL));
-	printk("tvp5150: Outputs and data rates select = 0x%02x\n",
-			tvp5150_read(sd, TVP5150_DATA_RATE_SEL));
-	printk("tvp5150: Configuration shared pins = 0x%02x\n",
-			tvp5150_read(sd, TVP5150_CONF_SHARED_PIN));
-	printk("tvp5150: Active video cropping start = 0x%02x%02x\n",
-			tvp5150_read(sd, TVP5150_ACT_VD_CROP_ST_MSB),
-			tvp5150_read(sd, TVP5150_ACT_VD_CROP_ST_LSB));
-	printk("tvp5150: Active video cropping stop  = 0x%02x%02x\n",
-			tvp5150_read(sd, TVP5150_ACT_VD_CROP_STP_MSB),
-			tvp5150_read(sd, TVP5150_ACT_VD_CROP_STP_LSB));
-	printk("tvp5150: Genlock/RTC = 0x%02x\n",
-			tvp5150_read(sd, TVP5150_GENLOCK));
-	printk("tvp5150: Horizontal sync start = 0x%02x\n",
-			tvp5150_read(sd, TVP5150_HORIZ_SYNC_START));
-	printk("tvp5150: Vertical blanking start = 0x%02x\n",
-			tvp5150_read(sd, TVP5150_VERT_BLANKING_START));
-	printk("tvp5150: Vertical blanking stop = 0x%02x\n",
-			tvp5150_read(sd, TVP5150_VERT_BLANKING_STOP));
-	printk("tvp5150: Chrominance processing control #1 and #2 = %02x %02x\n",
-			tvp5150_read(sd, TVP5150_CHROMA_PROC_CTL_1),
-			tvp5150_read(sd, TVP5150_CHROMA_PROC_CTL_2));
-	printk("tvp5150: Interrupt reset register B = 0x%02x\n",
-			tvp5150_read(sd, TVP5150_INT_RESET_REG_B));
-	printk("tvp5150: Interrupt enable register B = 0x%02x\n",
-			tvp5150_read(sd, TVP5150_INT_ENABLE_REG_B));
-	printk("tvp5150: Interrupt configuration register B = 0x%02x\n",
-			tvp5150_read(sd, TVP5150_INTT_CONFIG_REG_B));
-	printk("tvp5150: Video standard = 0x%02x\n",
-			tvp5150_read(sd, TVP5150_VIDEO_STD));
-	printk("tvp5150: Chroma gain factor: Cb=0x%02x Cr=0x%02x\n",
-			tvp5150_read(sd, TVP5150_CB_GAIN_FACT),
-			tvp5150_read(sd, TVP5150_CR_GAIN_FACTOR));
-	printk("tvp5150: Macrovision on counter = 0x%02x\n",
-			tvp5150_read(sd, TVP5150_MACROVISION_ON_CTR));
-	printk("tvp5150: Macrovision off counter = 0x%02x\n",
-			tvp5150_read(sd, TVP5150_MACROVISION_OFF_CTR));
-	printk("tvp5150: ITU-R BT.656.%d timing(TVP5150AM1 only)\n",
-			(tvp5150_read(sd, TVP5150_REV_SELECT) & 1) ? 3 : 4);
-	printk("tvp5150: Device ID = %02x%02x\n",
-			tvp5150_read(sd, TVP5150_MSB_DEV_ID),
-			tvp5150_read(sd, TVP5150_LSB_DEV_ID));
-	printk("tvp5150: ROM version = (hex) %02x.%02x\n",
-			tvp5150_read(sd, TVP5150_ROM_MAJOR_VER),
-			tvp5150_read(sd, TVP5150_ROM_MINOR_VER));
-	printk("tvp5150: Vertical line count = 0x%02x%02x\n",
-			tvp5150_read(sd, TVP5150_VERT_LN_COUNT_MSB),
-			tvp5150_read(sd, TVP5150_VERT_LN_COUNT_LSB));
-	printk("tvp5150: Interrupt status register B = 0x%02x\n",
-			tvp5150_read(sd, TVP5150_INT_STATUS_REG_B));
-	printk("tvp5150: Interrupt active register B = 0x%02x\n",
-			tvp5150_read(sd, TVP5150_INT_ACTIVE_REG_B));
-	printk("tvp5150: Status regs #1 to #5 = %02x %02x %02x %02x %02x\n",
-			tvp5150_read(sd, TVP5150_STATUS_REG_1),
-			tvp5150_read(sd, TVP5150_STATUS_REG_2),
-			tvp5150_read(sd, TVP5150_STATUS_REG_3),
-			tvp5150_read(sd, TVP5150_STATUS_REG_4),
-			tvp5150_read(sd, TVP5150_STATUS_REG_5));
+	dprintk0(sd->dev, "tvp5150: Video input source selection #1 = 0x%02x\n",
+		tvp5150_read(sd, TVP5150_VD_IN_SRC_SEL_1));
+	dprintk0(sd->dev, "tvp5150: Analog channel controls = 0x%02x\n",
+		tvp5150_read(sd, TVP5150_ANAL_CHL_CTL));
+	dprintk0(sd->dev, "tvp5150: Operation mode controls = 0x%02x\n",
+		tvp5150_read(sd, TVP5150_OP_MODE_CTL));
+	dprintk0(sd->dev, "tvp5150: Miscellaneous controls = 0x%02x\n",
+		tvp5150_read(sd, TVP5150_MISC_CTL));
+	dprintk0(sd->dev, "tvp5150: Autoswitch mask= 0x%02x\n",
+		tvp5150_read(sd, TVP5150_AUTOSW_MSK));
+	dprintk0(sd->dev, "tvp5150: Color killer threshold control = 0x%02x\n",
+		tvp5150_read(sd, TVP5150_COLOR_KIL_THSH_CTL));
+	dprintk0(sd->dev, "tvp5150: Luminance processing controls #1 #2 and #3 = %02x %02x %02x\n",
+		tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_1),
+		tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_2),
+		tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_3));
+	dprintk0(sd->dev, "tvp5150: Brightness control = 0x%02x\n",
+		tvp5150_read(sd, TVP5150_BRIGHT_CTL));
+	dprintk0(sd->dev, "tvp5150: Color saturation control = 0x%02x\n",
+		tvp5150_read(sd, TVP5150_SATURATION_CTL));
+	dprintk0(sd->dev, "tvp5150: Hue control = 0x%02x\n",
+		tvp5150_read(sd, TVP5150_HUE_CTL));
+	dprintk0(sd->dev, "tvp5150: Contrast control = 0x%02x\n",
+		tvp5150_read(sd, TVP5150_CONTRAST_CTL));
+	dprintk0(sd->dev, "tvp5150: Outputs and data rates select = 0x%02x\n",
+		tvp5150_read(sd, TVP5150_DATA_RATE_SEL));
+	dprintk0(sd->dev, "tvp5150: Configuration shared pins = 0x%02x\n",
+		tvp5150_read(sd, TVP5150_CONF_SHARED_PIN));
+	dprintk0(sd->dev, "tvp5150: Active video cropping start = 0x%02x%02x\n",
+		tvp5150_read(sd, TVP5150_ACT_VD_CROP_ST_MSB),
+		tvp5150_read(sd, TVP5150_ACT_VD_CROP_ST_LSB));
+	dprintk0(sd->dev, "tvp5150: Active video cropping stop  = 0x%02x%02x\n",
+		tvp5150_read(sd, TVP5150_ACT_VD_CROP_STP_MSB),
+		tvp5150_read(sd, TVP5150_ACT_VD_CROP_STP_LSB));
+	dprintk0(sd->dev, "tvp5150: Genlock/RTC = 0x%02x\n",
+		tvp5150_read(sd, TVP5150_GENLOCK));
+	dprintk0(sd->dev, "tvp5150: Horizontal sync start = 0x%02x\n",
+		tvp5150_read(sd, TVP5150_HORIZ_SYNC_START));
+	dprintk0(sd->dev, "tvp5150: Vertical blanking start = 0x%02x\n",
+		tvp5150_read(sd, TVP5150_VERT_BLANKING_START));
+	dprintk0(sd->dev, "tvp5150: Vertical blanking stop = 0x%02x\n",
+		tvp5150_read(sd, TVP5150_VERT_BLANKING_STOP));
+	dprintk0(sd->dev, "tvp5150: Chrominance processing control #1 and #2 = %02x %02x\n",
+		tvp5150_read(sd, TVP5150_CHROMA_PROC_CTL_1),
+		tvp5150_read(sd, TVP5150_CHROMA_PROC_CTL_2));
+	dprintk0(sd->dev, "tvp5150: Interrupt reset register B = 0x%02x\n",
+		tvp5150_read(sd, TVP5150_INT_RESET_REG_B));
+	dprintk0(sd->dev, "tvp5150: Interrupt enable register B = 0x%02x\n",
+		tvp5150_read(sd, TVP5150_INT_ENABLE_REG_B));
+	dprintk0(sd->dev, "tvp5150: Interrupt configuration register B = 0x%02x\n",
+		tvp5150_read(sd, TVP5150_INTT_CONFIG_REG_B));
+	dprintk0(sd->dev, "tvp5150: Video standard = 0x%02x\n",
+		tvp5150_read(sd, TVP5150_VIDEO_STD));
+	dprintk0(sd->dev, "tvp5150: Chroma gain factor: Cb=0x%02x Cr=0x%02x\n",
+		tvp5150_read(sd, TVP5150_CB_GAIN_FACT),
+		tvp5150_read(sd, TVP5150_CR_GAIN_FACTOR));
+	dprintk0(sd->dev, "tvp5150: Macrovision on counter = 0x%02x\n",
+		tvp5150_read(sd, TVP5150_MACROVISION_ON_CTR));
+	dprintk0(sd->dev, "tvp5150: Macrovision off counter = 0x%02x\n",
+		tvp5150_read(sd, TVP5150_MACROVISION_OFF_CTR));
+	dprintk0(sd->dev, "tvp5150: ITU-R BT.656.%d timing(TVP5150AM1 only)\n",
+		(tvp5150_read(sd, TVP5150_REV_SELECT) & 1) ? 3 : 4);
+	dprintk0(sd->dev, "tvp5150: Device ID = %02x%02x\n",
+		tvp5150_read(sd, TVP5150_MSB_DEV_ID),
+		tvp5150_read(sd, TVP5150_LSB_DEV_ID));
+	dprintk0(sd->dev, "tvp5150: ROM version = (hex) %02x.%02x\n",
+		tvp5150_read(sd, TVP5150_ROM_MAJOR_VER),
+		tvp5150_read(sd, TVP5150_ROM_MINOR_VER));
+	dprintk0(sd->dev, "tvp5150: Vertical line count = 0x%02x%02x\n",
+		tvp5150_read(sd, TVP5150_VERT_LN_COUNT_MSB),
+		tvp5150_read(sd, TVP5150_VERT_LN_COUNT_LSB));
+	dprintk0(sd->dev, "tvp5150: Interrupt status register B = 0x%02x\n",
+		tvp5150_read(sd, TVP5150_INT_STATUS_REG_B));
+	dprintk0(sd->dev, "tvp5150: Interrupt active register B = 0x%02x\n",
+		tvp5150_read(sd, TVP5150_INT_ACTIVE_REG_B));
+	dprintk0(sd->dev, "tvp5150: Status regs #1 to #5 = %02x %02x %02x %02x %02x\n",
+		tvp5150_read(sd, TVP5150_STATUS_REG_1),
+		tvp5150_read(sd, TVP5150_STATUS_REG_2),
+		tvp5150_read(sd, TVP5150_STATUS_REG_3),
+		tvp5150_read(sd, TVP5150_STATUS_REG_4),
+		tvp5150_read(sd, TVP5150_STATUS_REG_5));
 
 	dump_reg_range(sd, "Teletext filter 1",   TVP5150_TELETEXT_FIL1_INI,
 			TVP5150_TELETEXT_FIL1_END, 8);
 	dump_reg_range(sd, "Teletext filter 2",   TVP5150_TELETEXT_FIL2_INI,
 			TVP5150_TELETEXT_FIL2_END, 8);
 
-	printk("tvp5150: Teletext filter enable = 0x%02x\n",
-			tvp5150_read(sd, TVP5150_TELETEXT_FIL_ENA));
-	printk("tvp5150: Interrupt status register A = 0x%02x\n",
-			tvp5150_read(sd, TVP5150_INT_STATUS_REG_A));
-	printk("tvp5150: Interrupt enable register A = 0x%02x\n",
-			tvp5150_read(sd, TVP5150_INT_ENABLE_REG_A));
-	printk("tvp5150: Interrupt configuration = 0x%02x\n",
-			tvp5150_read(sd, TVP5150_INT_CONF));
-	printk("tvp5150: VDP status register = 0x%02x\n",
-			tvp5150_read(sd, TVP5150_VDP_STATUS_REG));
-	printk("tvp5150: FIFO word count = 0x%02x\n",
-			tvp5150_read(sd, TVP5150_FIFO_WORD_COUNT));
-	printk("tvp5150: FIFO interrupt threshold = 0x%02x\n",
-			tvp5150_read(sd, TVP5150_FIFO_INT_THRESHOLD));
-	printk("tvp5150: FIFO reset = 0x%02x\n",
-			tvp5150_read(sd, TVP5150_FIFO_RESET));
-	printk("tvp5150: Line number interrupt = 0x%02x\n",
-			tvp5150_read(sd, TVP5150_LINE_NUMBER_INT));
-	printk("tvp5150: Pixel alignment register = 0x%02x%02x\n",
-			tvp5150_read(sd, TVP5150_PIX_ALIGN_REG_HIGH),
-			tvp5150_read(sd, TVP5150_PIX_ALIGN_REG_LOW));
-	printk("tvp5150: FIFO output control = 0x%02x\n",
-			tvp5150_read(sd, TVP5150_FIFO_OUT_CTRL));
-	printk("tvp5150: Full field enable = 0x%02x\n",
-			tvp5150_read(sd, TVP5150_FULL_FIELD_ENA));
-	printk("tvp5150: Full field mode register = 0x%02x\n",
-			tvp5150_read(sd, TVP5150_FULL_FIELD_MODE_REG));
+	dprintk0(sd->dev, "tvp5150: Teletext filter enable = 0x%02x\n",
+		tvp5150_read(sd, TVP5150_TELETEXT_FIL_ENA));
+	dprintk0(sd->dev, "tvp5150: Interrupt status register A = 0x%02x\n",
+		tvp5150_read(sd, TVP5150_INT_STATUS_REG_A));
+	dprintk0(sd->dev, "tvp5150: Interrupt enable register A = 0x%02x\n",
+		tvp5150_read(sd, TVP5150_INT_ENABLE_REG_A));
+	dprintk0(sd->dev, "tvp5150: Interrupt configuration = 0x%02x\n",
+		tvp5150_read(sd, TVP5150_INT_CONF));
+	dprintk0(sd->dev, "tvp5150: VDP status register = 0x%02x\n",
+		tvp5150_read(sd, TVP5150_VDP_STATUS_REG));
+	dprintk0(sd->dev, "tvp5150: FIFO word count = 0x%02x\n",
+		tvp5150_read(sd, TVP5150_FIFO_WORD_COUNT));
+	dprintk0(sd->dev, "tvp5150: FIFO interrupt threshold = 0x%02x\n",
+		tvp5150_read(sd, TVP5150_FIFO_INT_THRESHOLD));
+	dprintk0(sd->dev, "tvp5150: FIFO reset = 0x%02x\n",
+		tvp5150_read(sd, TVP5150_FIFO_RESET));
+	dprintk0(sd->dev, "tvp5150: Line number interrupt = 0x%02x\n",
+		tvp5150_read(sd, TVP5150_LINE_NUMBER_INT));
+	dprintk0(sd->dev, "tvp5150: Pixel alignment register = 0x%02x%02x\n",
+		tvp5150_read(sd, TVP5150_PIX_ALIGN_REG_HIGH),
+		tvp5150_read(sd, TVP5150_PIX_ALIGN_REG_LOW));
+	dprintk0(sd->dev, "tvp5150: FIFO output control = 0x%02x\n",
+		tvp5150_read(sd, TVP5150_FIFO_OUT_CTRL));
+	dprintk0(sd->dev, "tvp5150: Full field enable = 0x%02x\n",
+		tvp5150_read(sd, TVP5150_FULL_FIELD_ENA));
+	dprintk0(sd->dev, "tvp5150: Full field mode register = 0x%02x\n",
+		tvp5150_read(sd, TVP5150_FULL_FIELD_MODE_REG));
 
 	dump_reg_range(sd, "CC   data",   TVP5150_CC_DATA_INI,
 			TVP5150_CC_DATA_END, 8);
@@ -254,7 +258,7 @@ static int tvp5150_log_status(struct v4l2_subdev *sd)
 			Basic functions
  ****************************************************************************/
 
-static inline void tvp5150_selmux(struct v4l2_subdev *sd)
+static void tvp5150_selmux(struct v4l2_subdev *sd)
 {
 	int opmode = 0;
 	struct tvp5150 *decoder = to_tvp5150(sd);
@@ -280,8 +284,7 @@ static inline void tvp5150_selmux(struct v4l2_subdev *sd)
 		break;
 	}
 
-	v4l2_dbg(1, debug, sd, "Selecting video route: route input=%i, output=%i "
-			"=> tvp5150 input=%i, opmode=%i\n",
+	dev_dbg_lvl(sd->dev, 1, debug, "Selecting video route: route input=%i, output=%i => tvp5150 input=%i, opmode=%i\n",
 			decoder->input, decoder->output,
 			input, opmode);
 
@@ -293,7 +296,7 @@ static inline void tvp5150_selmux(struct v4l2_subdev *sd)
 	 */
 	val = tvp5150_read(sd, TVP5150_MISC_CTL);
 	if (val < 0) {
-		v4l2_err(sd, "%s: failed with error = %d\n", __func__, val);
+		dev_err(sd->dev, "%s: failed with error = %d\n", __func__, val);
 		return;
 	}
 
@@ -611,7 +614,7 @@ static int tvp5150_g_sliced_vbi_cap(struct v4l2_subdev *sd,
 	const struct i2c_vbi_ram_value *regs = vbi_ram_default;
 	int line;
 
-	v4l2_dbg(1, debug, sd, "g_sliced_vbi_cap\n");
+	dev_dbg_lvl(sd->dev, 1, debug, "g_sliced_vbi_cap\n");
 	memset(cap, 0, sizeof *cap);
 
 	while (regs->reg != (u16)-1 ) {
@@ -649,7 +652,7 @@ static int tvp5150_set_vbi(struct v4l2_subdev *sd,
 	int pos=0;
 
 	if (std == V4L2_STD_ALL) {
-		v4l2_err(sd, "VBI can't be configured without knowing number of lines\n");
+		dev_err(sd->dev, "VBI can't be configured without knowing number of lines\n");
 		return 0;
 	} else if (std & V4L2_STD_625_50) {
 		/* Don't follow NTSC Line number convension */
@@ -697,7 +700,7 @@ static int tvp5150_get_vbi(struct v4l2_subdev *sd,
 	int i, ret = 0;
 
 	if (std == V4L2_STD_ALL) {
-		v4l2_err(sd, "VBI can't be configured without knowing number of lines\n");
+		dev_err(sd->dev, "VBI can't be configured without knowing number of lines\n");
 		return 0;
 	} else if (std & V4L2_STD_625_50) {
 		/* Don't follow NTSC Line number convension */
@@ -712,7 +715,7 @@ static int tvp5150_get_vbi(struct v4l2_subdev *sd,
 	for (i = 0; i <= 1; i++) {
 		ret = tvp5150_read(sd, reg + i);
 		if (ret < 0) {
-			v4l2_err(sd, "%s: failed with error = %d\n",
+			dev_err(sd->dev, "%s: failed with error = %d\n",
 				 __func__, ret);
 			return 0;
 		}
@@ -749,7 +752,7 @@ static int tvp5150_set_std(struct v4l2_subdev *sd, v4l2_std_id std)
 			fmt = VIDEO_STD_SECAM_BIT;
 	}
 
-	v4l2_dbg(1, debug, sd, "Set video std register to %d.\n", fmt);
+	dev_dbg_lvl(sd->dev, 1, debug, "Set video std register to %d.\n", fmt);
 	tvp5150_write(sd, TVP5150_VIDEO_STD, fmt);
 	return 0;
 }
@@ -815,6 +818,7 @@ static int tvp5150_s_ctrl(struct v4l2_ctrl *ctrl)
 		return 0;
 	case V4L2_CID_HUE:
 		tvp5150_write(sd, TVP5150_HUE_CTL, ctrl->val);
+		break;
 	case V4L2_CID_TEST_PATTERN:
 		decoder->enable = ctrl->val ? false : true;
 		tvp5150_selmux(sd);
@@ -866,7 +870,7 @@ static int tvp5150_fill_fmt(struct v4l2_subdev *sd,
 	f->field = V4L2_FIELD_ALTERNATE;
 	f->colorspace = V4L2_COLORSPACE_SMPTE170M;
 
-	v4l2_dbg(1, debug, sd, "width = %d, height = %d\n", f->width,
+	dev_dbg_lvl(sd->dev, 1, debug, "width = %d, height = %d\n", f->width,
 			f->height);
 	return 0;
 }
@@ -884,7 +888,7 @@ static int tvp5150_set_selection(struct v4l2_subdev *sd,
 	    sel->target != V4L2_SEL_TGT_CROP)
 		return -EINVAL;
 
-	v4l2_dbg(1, debug, sd, "%s left=%d, top=%d, width=%d, height=%d\n",
+	dev_dbg_lvl(sd->dev, 1, debug, "%s left=%d, top=%d, width=%d, height=%d\n",
 		__func__, rect.left, rect.top, rect.width, rect.height);
 
 	/* tvp5150 has some special limits */
@@ -1010,11 +1014,11 @@ static int tvp5150_enum_frame_size(struct v4l2_subdev *sd,
 			Media entity ops
  ****************************************************************************/
 
+#ifdef CONFIG_MEDIA_CONTROLLER
 static int tvp5150_link_setup(struct media_entity *entity,
 			      const struct media_pad *local,
 			      const struct media_pad *remote, u32 flags)
 {
-#ifdef CONFIG_MEDIA_CONTROLLER
 	struct v4l2_subdev *sd = media_entity_to_v4l2_subdev(entity);
 	struct tvp5150 *decoder = to_tvp5150(sd);
 	int i;
@@ -1031,7 +1035,6 @@ static int tvp5150_link_setup(struct media_entity *entity,
 	decoder->input = i;
 
 	tvp5150_selmux(sd);
-#endif
 
 	return 0;
 }
@@ -1039,6 +1042,7 @@ static int tvp5150_link_setup(struct media_entity *entity,
 static const struct media_entity_operations tvp5150_sd_media_ops = {
 	.link_setup = tvp5150_link_setup,
 };
+#endif
 
 /****************************************************************************
 			I2C Command
@@ -1148,7 +1152,7 @@ static int tvp5150_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *
 
 	res = tvp5150_read(sd, reg->reg & 0xff);
 	if (res < 0) {
-		v4l2_err(sd, "%s: failed with error = %d\n", __func__, res);
+		dev_err(sd->dev, "%s: failed with error = %d\n", __func__, res);
 		return res;
 	}
 
@@ -1288,21 +1292,21 @@ static int tvp5150_detect_version(struct tvp5150 *core)
 	core->dev_id = (regs[0] << 8) | regs[1];
 	core->rom_ver = (regs[2] << 8) | regs[3];
 
-	v4l2_info(sd, "tvp%04x (%u.%u) chip found @ 0x%02x (%s)\n",
+	dev_info(sd->dev, "tvp%04x (%u.%u) chip found @ 0x%02x (%s)\n",
 		  core->dev_id, regs[2], regs[3], c->addr << 1,
 		  c->adapter->name);
 
 	if (core->dev_id == 0x5150 && core->rom_ver == 0x0321) {
-		v4l2_info(sd, "tvp5150a detected.\n");
+		dev_info(sd->dev, "tvp5150a detected.\n");
 	} else if (core->dev_id == 0x5150 && core->rom_ver == 0x0400) {
-		v4l2_info(sd, "tvp5150am1 detected.\n");
+		dev_info(sd->dev, "tvp5150am1 detected.\n");
 
 		/* ITU-T BT.656.4 timing */
 		tvp5150_write(sd, TVP5150_REV_SELECT, 0);
 	} else if (core->dev_id == 0x5151 && core->rom_ver == 0x0100) {
-		v4l2_info(sd, "tvp5151 detected.\n");
+		dev_info(sd->dev, "tvp5151 detected.\n");
 	} else {
-		v4l2_info(sd, "*** unknown tvp%04x chip detected.\n",
+		dev_info(sd->dev, "*** unknown tvp%04x chip detected.\n",
 			  core->dev_id);
 	}
 
@@ -1381,7 +1385,7 @@ static int tvp5150_parse_dt(struct tvp5150 *decoder, struct device_node *np)
 	for_each_available_child_of_node(connectors, child) {
 		ret = of_property_read_u32(child, "input", &input_type);
 		if (ret) {
-			v4l2_err(&decoder->sd,
+			dev_err(decoder->sd.dev,
 				 "missing type property in node %s\n",
 				 child->name);
 			goto err_connector;
@@ -1396,7 +1400,7 @@ static int tvp5150_parse_dt(struct tvp5150 *decoder, struct device_node *np)
 
 		/* Each input connector can only be defined once */
 		if (input->name) {
-			v4l2_err(&decoder->sd,
+			dev_err(decoder->sd.dev,
 				 "input %s with same type already exists\n",
 				 input->name);
 			ret = -EINVAL;
@@ -1417,7 +1421,7 @@ static int tvp5150_parse_dt(struct tvp5150 *decoder, struct device_node *np)
 
 		ret = of_property_read_string(child, "label", &name);
 		if (ret < 0) {
-			v4l2_err(&decoder->sd,
+			dev_err(decoder->sd.dev,
 				 "missing label property in node %s\n",
 				 child->name);
 			goto err_connector;
@@ -1465,7 +1469,7 @@ static int tvp5150_probe(struct i2c_client *c,
 	if (IS_ENABLED(CONFIG_OF) && np) {
 		res = tvp5150_parse_dt(core, np);
 		if (res) {
-			v4l2_err(sd, "DT parsing error: %d\n", res);
+			dev_err(sd->dev, "DT parsing error: %d\n", res);
 			return res;
 		}
 	} else {
@@ -1549,7 +1553,7 @@ static int tvp5150_remove(struct i2c_client *c)
 	struct v4l2_subdev *sd = i2c_get_clientdata(c);
 	struct tvp5150 *decoder = to_tvp5150(sd);
 
-	v4l2_dbg(1, debug, sd,
+	dev_dbg_lvl(sd->dev, 1, debug,
 		"tvp5150.c: removing tvp5150 adapter on address 0x%x\n",
 		c->addr << 1);
 
diff --git a/drivers/media/media-device.c b/drivers/media/media-device.c
index 2783531f9fc0..8756275e9fc4 100644
--- a/drivers/media/media-device.c
+++ b/drivers/media/media-device.c
@@ -801,9 +801,13 @@ void media_device_unregister(struct media_device *mdev)
 	/* Remove all interfaces from the media device */
 	list_for_each_entry_safe(intf, tmp_intf, &mdev->interfaces,
 				 graph_obj.list) {
+		/*
+		 * Unlink the interface, but don't free it here; the
+		 * module which created it is responsible for freeing
+		 * it
+		 */
 		__media_remove_intf_links(intf);
 		media_gobj_destroy(&intf->graph_obj);
-		kfree(intf);
 	}
 
 	mutex_unlock(&mdev->graph_mutex);
@@ -817,32 +821,6 @@ void media_device_unregister(struct media_device *mdev)
 }
 EXPORT_SYMBOL_GPL(media_device_unregister);
 
-static void media_device_release_devres(struct device *dev, void *res)
-{
-}
-
-struct media_device *media_device_get_devres(struct device *dev)
-{
-	struct media_device *mdev;
-
-	mdev = devres_find(dev, media_device_release_devres, NULL, NULL);
-	if (mdev)
-		return mdev;
-
-	mdev = devres_alloc(media_device_release_devres,
-				sizeof(struct media_device), GFP_KERNEL);
-	if (!mdev)
-		return NULL;
-	return devres_get(dev, mdev, NULL, NULL);
-}
-EXPORT_SYMBOL_GPL(media_device_get_devres);
-
-struct media_device *media_device_find_devres(struct device *dev)
-{
-	return devres_find(dev, media_device_release_devres, NULL, NULL);
-}
-EXPORT_SYMBOL_GPL(media_device_find_devres);
-
 #if IS_ENABLED(CONFIG_PCI)
 void media_device_pci_init(struct media_device *mdev,
 			   struct pci_dev *pci_dev,
diff --git a/drivers/media/media-entity.c b/drivers/media/media-entity.c
index c68239e60487..f9f723f5e4f0 100644
--- a/drivers/media/media-entity.c
+++ b/drivers/media/media-entity.c
@@ -205,10 +205,16 @@ void media_gobj_destroy(struct media_gobj *gobj)
 {
 	dev_dbg_obj(__func__, gobj);
 
+	/* Do nothing if the object is not linked. */
+	if (gobj->mdev == NULL)
+		return;
+
 	gobj->mdev->topology_version++;
 
 	/* Remove the object from mdev list */
 	list_del(&gobj->list);
+
+	gobj->mdev = NULL;
 }
 
 int media_entity_pads_init(struct media_entity *entity, u16 num_pads,
diff --git a/drivers/media/pci/b2c2/flexcop-dma.c b/drivers/media/pci/b2c2/flexcop-dma.c
index 2881e0d956ad..913dc97f8b49 100644
--- a/drivers/media/pci/b2c2/flexcop-dma.c
+++ b/drivers/media/pci/b2c2/flexcop-dma.c
@@ -57,8 +57,7 @@ int flexcop_dma_config(struct flexcop_device *fc,
 		fc->write_ibi_reg(fc,dma2_014,v0x4);
 		fc->write_ibi_reg(fc,dma2_01c,v0xc);
 	} else {
-		err("either DMA1 or DMA2 can be configured within one "
-			"flexcop_dma_config call.");
+		err("either DMA1 or DMA2 can be configured within one flexcop_dma_config call.");
 		return -EINVAL;
 	}
 
@@ -82,8 +81,7 @@ int flexcop_dma_xfer_control(struct flexcop_device *fc,
 		r0x0 = dma2_010;
 		r0xc = dma2_01c;
 	} else {
-		err("either transfer DMA1 or DMA2 can be started within one "
-			"flexcop_dma_xfer_control call.");
+		err("either transfer DMA1 or DMA2 can be started within one flexcop_dma_xfer_control call.");
 		return -EINVAL;
 	}
 
diff --git a/drivers/media/pci/b2c2/flexcop-pci.c b/drivers/media/pci/b2c2/flexcop-pci.c
index 4cac1fc233f2..99ce28442a75 100644
--- a/drivers/media/pci/b2c2/flexcop-pci.c
+++ b/drivers/media/pci/b2c2/flexcop-pci.c
@@ -185,8 +185,7 @@ static irqreturn_t flexcop_pci_isr(int irq, void *dev_id)
 			fc->read_ibi_reg(fc,dma1_008).dma_0x8.dma_cur_addr << 2;
 		u32 cur_pos = cur_addr - fc_pci->dma[0].dma_addr0;
 
-		deb_irq("%u irq: %08x cur_addr: %llx: cur_pos: %08x, "
-			"last_cur_pos: %08x ",
+		deb_irq("%u irq: %08x cur_addr: %llx: cur_pos: %08x, last_cur_pos: %08x ",
 				jiffies_to_usecs(jiffies - fc_pci->last_irq),
 				v.raw, (unsigned long long)cur_addr, cur_pos,
 				fc_pci->last_dma1_cur_pos);
@@ -220,8 +219,8 @@ static irqreturn_t flexcop_pci_isr(int irq, void *dev_id)
 		fc_pci->last_dma1_cur_pos = cur_pos;
 		fc_pci->count++;
 	} else {
-		deb_irq("isr for flexcop called, "
-			"apparently without reason (%08x)\n", v.raw);
+		deb_irq("isr for flexcop called, apparently without reason (%08x)\n",
+			v.raw);
 		ret = IRQ_NONE;
 	}
 
diff --git a/drivers/media/pci/bt8xx/btcx-risc.c b/drivers/media/pci/bt8xx/btcx-risc.c
index 57c7f58c3af2..70bdf93fc020 100644
--- a/drivers/media/pci/bt8xx/btcx-risc.c
+++ b/drivers/media/pci/bt8xx/btcx-risc.c
@@ -22,6 +22,8 @@
 
 */
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/pci.h>
@@ -36,6 +38,13 @@ static unsigned int btcx_debug;
 module_param(btcx_debug, int, 0644);
 MODULE_PARM_DESC(btcx_debug,"debug messages, default is 0 (no)");
 
+#define dprintk(fmt, arg...) do {				\
+	if (btcx_debug)						\
+		printk(KERN_DEBUG pr_fmt("%s: " fmt),		\
+		       __func__, ##arg);			\
+} while (0)
+
+
 /* ---------------------------------------------------------- */
 /* allocate/free risc memory                                  */
 
@@ -46,11 +55,11 @@ void btcx_riscmem_free(struct pci_dev *pci,
 {
 	if (NULL == risc->cpu)
 		return;
-	if (btcx_debug) {
-		memcnt--;
-		printk("btcx: riscmem free [%d] dma=%lx\n",
-		       memcnt, (unsigned long)risc->dma);
-	}
+
+	memcnt--;
+	dprintk("btcx: riscmem free [%d] dma=%lx\n",
+		memcnt, (unsigned long)risc->dma);
+
 	pci_free_consistent(pci, risc->size, risc->cpu, risc->dma);
 	memset(risc,0,sizeof(*risc));
 }
@@ -71,11 +80,10 @@ int btcx_riscmem_alloc(struct pci_dev *pci,
 		risc->cpu  = cpu;
 		risc->dma  = dma;
 		risc->size = size;
-		if (btcx_debug) {
-			memcnt++;
-			printk("btcx: riscmem alloc [%d] dma=%lx cpu=%p size=%d\n",
-			       memcnt, (unsigned long)dma, cpu, size);
-		}
+
+		memcnt++;
+		dprintk("btcx: riscmem alloc [%d] dma=%lx cpu=%p size=%d\n",
+			memcnt, (unsigned long)dma, cpu, size);
 	}
 	memset(risc->cpu,0,risc->size);
 	return 0;
@@ -137,9 +145,8 @@ btcx_align(struct v4l2_rect *win, struct v4l2_clip *clips, unsigned int n, int m
 	dx = nx - win->left;
 	win->left  = nx;
 	win->width = nw;
-	if (btcx_debug)
-		printk(KERN_DEBUG "btcx: window align %dx%d+%d+%d [dx=%d]\n",
-		       win->width, win->height, win->left, win->top, dx);
+	dprintk("btcx: window align %dx%d+%d+%d [dx=%d]\n",
+	       win->width, win->height, win->left, win->top, dx);
 
 	/* fixup clips */
 	for (i = 0; i < n; i++) {
@@ -149,10 +156,9 @@ btcx_align(struct v4l2_rect *win, struct v4l2_clip *clips, unsigned int n, int m
 			nw += mask+1;
 		clips[i].c.left  = nx;
 		clips[i].c.width = nw;
-		if (btcx_debug)
-			printk(KERN_DEBUG "btcx:   clip align %dx%d+%d+%d\n",
-			       clips[i].c.width, clips[i].c.height,
-			       clips[i].c.left, clips[i].c.top);
+		dprintk("btcx:   clip align %dx%d+%d+%d\n",
+		       clips[i].c.width, clips[i].c.height,
+		       clips[i].c.left, clips[i].c.top);
 	}
 	return 0;
 }
@@ -228,10 +234,10 @@ btcx_calc_skips(int line, int width, int *maxy,
 	*maxy = maxline;
 
 	if (btcx_debug) {
-		printk(KERN_DEBUG "btcx: skips line %d-%d:",line,maxline);
+		dprintk("btcx: skips line %d-%d:", line, maxline);
 		for (skip = 0; skip < *nskips; skip++) {
-			printk(" %d-%d",skips[skip].start,skips[skip].end);
+			pr_cont(" %d-%d", skips[skip].start, skips[skip].end);
 		}
-		printk("\n");
+		pr_cont("\n");
 	}
 }
diff --git a/drivers/media/pci/bt8xx/bttv-cards.c b/drivers/media/pci/bt8xx/bttv-cards.c
index 8a17cc0bfa07..a1b0f3193bc0 100644
--- a/drivers/media/pci/bt8xx/bttv-cards.c
+++ b/drivers/media/pci/bt8xx/bttv-cards.c
@@ -125,10 +125,8 @@ module_param_array(remote,   int, NULL, 0444);
 module_param_array(audiodev, int, NULL, 0444);
 module_param_array(audiomux, int, NULL, 0444);
 
-MODULE_PARM_DESC(triton1,"set ETBF pci config bit "
-		 "[enable bug compatibility for triton1 + others]");
-MODULE_PARM_DESC(vsfx,"set VSFX pci config bit "
-		 "[yet another chipset flaw workaround]");
+MODULE_PARM_DESC(triton1, "set ETBF pci config bit [enable bug compatibility for triton1 + others]");
+MODULE_PARM_DESC(vsfx, "set VSFX pci config bit [yet another chipset flaw workaround]");
 MODULE_PARM_DESC(latency,"pci latency timer");
 MODULE_PARM_DESC(card,"specify TV/grabber card model, see CARDLIST file for a list");
 MODULE_PARM_DESC(pll, "specify installed crystal (0=none, 28=28 MHz, 35=35 MHz, 14=14 MHz)");
@@ -141,8 +139,7 @@ MODULE_PARM_DESC(audiodev, "specify audio device:\n"
 		"\t\t 2 = tda7432\n"
 		"\t\t 3 = tvaudio");
 MODULE_PARM_DESC(saa6588, "if 1, then load the saa6588 RDS module, default (0) is to use the card definition.");
-MODULE_PARM_DESC(no_overlay,"allow override overlay default (0 disables, 1 enables)"
-		" [some VIA/SIS chipsets are known to have problem with overlay]");
+MODULE_PARM_DESC(no_overlay, "allow override overlay default (0 disables, 1 enables) [some VIA/SIS chipsets are known to have problem with overlay]");
 
 /* ----------------------------------------------------------------------- */
 /* list of card IDs for bt878+ cards                                       */
diff --git a/drivers/media/pci/bt8xx/bttv-driver.c b/drivers/media/pci/bt8xx/bttv-driver.c
index 97b91a9f9fa9..fb4aefbcc8f8 100644
--- a/drivers/media/pci/bt8xx/bttv-driver.c
+++ b/drivers/media/pci/bt8xx/bttv-driver.c
@@ -148,8 +148,7 @@ MODULE_PARM_DESC(irq_debug, "irq handler debug messages, default is 0 (no)");
 MODULE_PARM_DESC(disable_ir, "disable infrared remote support");
 MODULE_PARM_DESC(gbuffers, "number of capture buffers. range 2-32, default 8");
 MODULE_PARM_DESC(gbufsize, "size of the capture buffers, default is 0x208000");
-MODULE_PARM_DESC(reset_crop, "reset cropping parameters at open(), default "
-		 "is 1 (yes) for compatibility with older applications");
+MODULE_PARM_DESC(reset_crop, "reset cropping parameters at open(), default is 1 (yes) for compatibility with older applications");
 MODULE_PARM_DESC(automute, "mute audio on bad/missing video signal, default is 1 (yes)");
 MODULE_PARM_DESC(chroma_agc, "enables the AGC of chroma signal, default is 0 (no)");
 MODULE_PARM_DESC(agc_crush, "enables the luminance AGC crush, default is 1 (yes)");
@@ -3506,8 +3505,7 @@ static void bttv_irq_debug_low_latency(struct bttv *btv, u32 rc)
 		(unsigned long)rc);
 
 	if (0 == (btread(BT848_DSTATUS) & BT848_DSTATUS_HLOC)) {
-		pr_notice("%d: Oh, there (temporarily?) is no input signal. "
-			  "Ok, then this is harmless, don't worry ;)\n",
+		pr_notice("%d: Oh, there (temporarily?) is no input signal. Ok, then this is harmless, don't worry ;)\n",
 			  btv->c.nr);
 		return;
 	}
diff --git a/drivers/media/pci/bt8xx/bttv-i2c.c b/drivers/media/pci/bt8xx/bttv-i2c.c
index d43911deb617..274fd036b306 100644
--- a/drivers/media/pci/bt8xx/bttv-i2c.c
+++ b/drivers/media/pci/bt8xx/bttv-i2c.c
@@ -44,15 +44,13 @@ static int i2c_scan;
 module_param(i2c_debug, int, 0644);
 MODULE_PARM_DESC(i2c_debug, "configure i2c debug level");
 module_param(i2c_hw,    int, 0444);
-MODULE_PARM_DESC(i2c_hw,"force use of hardware i2c support, "
-			"instead of software bitbang");
+MODULE_PARM_DESC(i2c_hw, "force use of hardware i2c support, instead of software bitbang");
 module_param(i2c_scan,  int, 0444);
 MODULE_PARM_DESC(i2c_scan,"scan i2c bus at insmod time");
 
 static unsigned int i2c_udelay = 5;
 module_param(i2c_udelay, int, 0444);
-MODULE_PARM_DESC(i2c_udelay,"soft i2c delay at insmod time, in usecs "
-		"(should be 5 or higher). Lower value means higher bus speed.");
+MODULE_PARM_DESC(i2c_udelay, "soft i2c delay at insmod time, in usecs (should be 5 or higher). Lower value means higher bus speed.");
 
 /* ----------------------------------------------------------------------- */
 /* I2C functions - bitbanging adapter (software i2c)                       */
diff --git a/drivers/media/pci/bt8xx/bttv-input.c b/drivers/media/pci/bt8xx/bttv-input.c
index a75c53da224a..4da720e4867e 100644
--- a/drivers/media/pci/bt8xx/bttv-input.c
+++ b/drivers/media/pci/bt8xx/bttv-input.c
@@ -185,8 +185,8 @@ static u32 bttv_rc5_decode(unsigned int code)
 			return 0;
 		}
 	}
-	dprintk("code=%x, rc5=%x, start=%x, toggle=%x, address=%x, "
-		"instr=%x\n", rc5, org_code, RC5_START(rc5),
+	dprintk("code=%x, rc5=%x, start=%x, toggle=%x, address=%x, instr=%x\n",
+		rc5, org_code, RC5_START(rc5),
 		RC5_TOGGLE(rc5), RC5_ADDR(rc5), RC5_INSTR(rc5));
 	return rc5;
 }
diff --git a/drivers/media/pci/bt8xx/dst.c b/drivers/media/pci/bt8xx/dst.c
index 35bc9b2287b4..7166d2279465 100644
--- a/drivers/media/pci/bt8xx/dst.c
+++ b/drivers/media/pci/bt8xx/dst.c
@@ -18,6 +18,8 @@
 	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/init.h>
@@ -30,9 +32,9 @@
 #include "dst_priv.h"
 #include "dst_common.h"
 
-static unsigned int verbose = 1;
+static unsigned int verbose;
 module_param(verbose, int, 0644);
-MODULE_PARM_DESC(verbose, "verbose startup messages, default is 1 (yes)");
+MODULE_PARM_DESC(verbose, "verbosity level (0 to 3)");
 
 static unsigned int dst_addons;
 module_param(dst_addons, int, 0644);
@@ -46,29 +48,10 @@ MODULE_PARM_DESC(dst_algo, "tuning algo: default is 0=(SW), 1=(HW)");
 #define ATTEMPT_TUNE		2
 #define HAS_POWER		4
 
-#define DST_ERROR		0
-#define DST_NOTICE		1
-#define DST_INFO		2
-#define DST_DEBUG		3
-
-#define dprintk(x, y, z, format, arg...) do {				\
-	if (z) {							\
-		if	((x > DST_ERROR) && (x > y))			\
-			printk(KERN_ERR "dst(%d) %s: " format "\n",	\
-				state->bt->nr, __func__ , ##arg);	\
-		else if	((x > DST_NOTICE) && (x > y))			\
-			printk(KERN_NOTICE "dst(%d) %s: " format "\n",  \
-				state->bt->nr, __func__ , ##arg);	\
-		else if ((x > DST_INFO) && (x > y))			\
-			printk(KERN_INFO "dst(%d) %s: " format "\n",	\
-				state->bt->nr, __func__ , ##arg);	\
-		else if ((x > DST_DEBUG) && (x > y))			\
-			printk(KERN_DEBUG "dst(%d) %s: " format "\n",	\
-				state->bt->nr,  __func__ , ##arg);	\
-	} else {							\
-		if (x > y)						\
-			printk(format, ##arg);				\
-	}								\
+#define dprintk(level, fmt, arg...) do {				\
+	if (level >= verbose)						\
+		printk(KERN_DEBUG pr_fmt("%s: " fmt),			\
+		       __func__, ##arg);				\
 } while(0)
 
 static int dst_command(struct dst_state *state, u8 *data, u8 len);
@@ -91,9 +74,11 @@ static int dst_gpio_outb(struct dst_state *state, u32 mask, u32 enbb,
 	enb.enb.mask = mask;
 	enb.enb.enable = enbb;
 
-	dprintk(verbose, DST_INFO, 1, "mask=[%04x], enbb=[%04x], outhigh=[%04x]", mask, enbb, outhigh);
+	dprintk(2, "mask=[%04x], enbb=[%04x], outhigh=[%04x]\n",
+		mask, enbb, outhigh);
 	if ((err = bt878_device_control(state->bt, DST_IG_ENABLE, &enb)) < 0) {
-		dprintk(verbose, DST_INFO, 1, "dst_gpio_enb error (err == %i, mask == %02x, enb == %02x)", err, mask, enbb);
+		dprintk(2, "dst_gpio_enb error (err == %i, mask == %02x, enb == %02x)\n",
+			err, mask, enbb);
 		return -EREMOTEIO;
 	}
 	udelay(1000);
@@ -105,7 +90,8 @@ static int dst_gpio_outb(struct dst_state *state, u32 mask, u32 enbb,
 	bits.outp.mask = enbb;
 	bits.outp.highvals = outhigh;
 	if ((err = bt878_device_control(state->bt, DST_IG_WRITE, &bits)) < 0) {
-		dprintk(verbose, DST_INFO, 1, "dst_gpio_outb error (err == %i, enbb == %02x, outhigh == %02x)", err, enbb, outhigh);
+		dprintk(2, "dst_gpio_outb error (err == %i, enbb == %02x, outhigh == %02x)\n",
+			err, enbb, outhigh);
 		return -EREMOTEIO;
 	}
 
@@ -119,7 +105,7 @@ static int dst_gpio_inb(struct dst_state *state, u8 *result)
 
 	*result = 0;
 	if ((err = bt878_device_control(state->bt, DST_IG_READ, &rd_packet)) < 0) {
-		dprintk(verbose, DST_ERROR, 1, "dst_gpio_inb error (err == %i)", err);
+		pr_err("dst_gpio_inb error (err == %i)\n", err);
 		return -EREMOTEIO;
 	}
 	*result = (u8) rd_packet.rd.value;
@@ -129,14 +115,14 @@ static int dst_gpio_inb(struct dst_state *state, u8 *result)
 
 int rdc_reset_state(struct dst_state *state)
 {
-	dprintk(verbose, DST_INFO, 1, "Resetting state machine");
+	dprintk(2, "Resetting state machine\n");
 	if (dst_gpio_outb(state, RDC_8820_INT, RDC_8820_INT, 0, NO_DELAY) < 0) {
-		dprintk(verbose, DST_ERROR, 1, "dst_gpio_outb ERROR !");
+		pr_err("dst_gpio_outb ERROR !\n");
 		return -1;
 	}
 	msleep(10);
 	if (dst_gpio_outb(state, RDC_8820_INT, RDC_8820_INT, RDC_8820_INT, NO_DELAY) < 0) {
-		dprintk(verbose, DST_ERROR, 1, "dst_gpio_outb ERROR !");
+		pr_err("dst_gpio_outb ERROR !\n");
 		msleep(10);
 		return -1;
 	}
@@ -147,14 +133,14 @@ EXPORT_SYMBOL(rdc_reset_state);
 
 static int rdc_8820_reset(struct dst_state *state)
 {
-	dprintk(verbose, DST_DEBUG, 1, "Resetting DST");
+	dprintk(3, "Resetting DST\n");
 	if (dst_gpio_outb(state, RDC_8820_RESET, RDC_8820_RESET, 0, NO_DELAY) < 0) {
-		dprintk(verbose, DST_ERROR, 1, "dst_gpio_outb ERROR !");
+		pr_err("dst_gpio_outb ERROR !\n");
 		return -1;
 	}
 	udelay(1000);
 	if (dst_gpio_outb(state, RDC_8820_RESET, RDC_8820_RESET, RDC_8820_RESET, DELAY) < 0) {
-		dprintk(verbose, DST_ERROR, 1, "dst_gpio_outb ERROR !");
+		pr_err("dst_gpio_outb ERROR !\n");
 		return -1;
 	}
 
@@ -164,7 +150,7 @@ static int rdc_8820_reset(struct dst_state *state)
 static int dst_pio_enable(struct dst_state *state)
 {
 	if (dst_gpio_outb(state, ~0, RDC_8820_PIO_0_ENABLE, 0, NO_DELAY) < 0) {
-		dprintk(verbose, DST_ERROR, 1, "dst_gpio_outb ERROR !");
+		pr_err("dst_gpio_outb ERROR !\n");
 		return -1;
 	}
 	udelay(1000);
@@ -175,7 +161,7 @@ static int dst_pio_enable(struct dst_state *state)
 int dst_pio_disable(struct dst_state *state)
 {
 	if (dst_gpio_outb(state, ~0, RDC_8820_PIO_0_DISABLE, RDC_8820_PIO_0_DISABLE, NO_DELAY) < 0) {
-		dprintk(verbose, DST_ERROR, 1, "dst_gpio_outb ERROR !");
+		pr_err("dst_gpio_outb ERROR !\n");
 		return -1;
 	}
 	if (state->type_flags & DST_TYPE_HAS_FW_1)
@@ -192,16 +178,16 @@ int dst_wait_dst_ready(struct dst_state *state, u8 delay_mode)
 
 	for (i = 0; i < 200; i++) {
 		if (dst_gpio_inb(state, &reply) < 0) {
-			dprintk(verbose, DST_ERROR, 1, "dst_gpio_inb ERROR !");
+			pr_err("dst_gpio_inb ERROR !\n");
 			return -1;
 		}
 		if ((reply & RDC_8820_PIO_0_ENABLE) == 0) {
-			dprintk(verbose, DST_INFO, 1, "dst wait ready after %d", i);
+			dprintk(2, "dst wait ready after %d\n", i);
 			return 1;
 		}
 		msleep(10);
 	}
-	dprintk(verbose, DST_NOTICE, 1, "dst wait NOT ready after %d", i);
+	dprintk(1, "dst wait NOT ready after %d\n", i);
 
 	return 0;
 }
@@ -209,7 +195,7 @@ EXPORT_SYMBOL(dst_wait_dst_ready);
 
 int dst_error_recovery(struct dst_state *state)
 {
-	dprintk(verbose, DST_NOTICE, 1, "Trying to return from previous errors.");
+	dprintk(1, "Trying to return from previous errors.\n");
 	dst_pio_disable(state);
 	msleep(10);
 	dst_pio_enable(state);
@@ -221,7 +207,7 @@ EXPORT_SYMBOL(dst_error_recovery);
 
 int dst_error_bailout(struct dst_state *state)
 {
-	dprintk(verbose, DST_INFO, 1, "Trying to bailout from previous error.");
+	dprintk(2, "Trying to bailout from previous error.\n");
 	rdc_8820_reset(state);
 	dst_pio_disable(state);
 	msleep(10);
@@ -232,13 +218,13 @@ EXPORT_SYMBOL(dst_error_bailout);
 
 int dst_comm_init(struct dst_state *state)
 {
-	dprintk(verbose, DST_INFO, 1, "Initializing DST.");
+	dprintk(2, "Initializing DST.\n");
 	if ((dst_pio_enable(state)) < 0) {
-		dprintk(verbose, DST_ERROR, 1, "PIO Enable Failed");
+		pr_err("PIO Enable Failed\n");
 		return -1;
 	}
 	if ((rdc_reset_state(state)) < 0) {
-		dprintk(verbose, DST_ERROR, 1, "RDC 8820 State RESET Failed.");
+		pr_err("RDC 8820 State RESET Failed.\n");
 		return -1;
 	}
 	if (state->type_flags & DST_TYPE_HAS_FW_1)
@@ -260,23 +246,21 @@ int write_dst(struct dst_state *state, u8 *data, u8 len)
 	};
 
 	int err;
-	u8 cnt, i;
+	u8 cnt;
 
-	dprintk(verbose, DST_NOTICE, 0, "writing [ ");
-	for (i = 0; i < len; i++)
-		dprintk(verbose, DST_NOTICE, 0, "%02x ", data[i]);
-	dprintk(verbose, DST_NOTICE, 0, "]\n");
+	dprintk(1, "writing [ %*ph ]\n", len, data);
 
 	for (cnt = 0; cnt < 2; cnt++) {
 		if ((err = i2c_transfer(state->i2c, &msg, 1)) < 0) {
-			dprintk(verbose, DST_INFO, 1, "_write_dst error (err == %i, len == 0x%02x, b0 == 0x%02x)", err, len, data[0]);
+			dprintk(2, "_write_dst error (err == %i, len == 0x%02x, b0 == 0x%02x)\n",
+				err, len, data[0]);
 			dst_error_recovery(state);
 			continue;
 		} else
 			break;
 	}
 	if (cnt >= 2) {
-		dprintk(verbose, DST_INFO, 1, "RDC 8820 RESET");
+		dprintk(2, "RDC 8820 RESET\n");
 		dst_error_bailout(state);
 
 		return -1;
@@ -300,23 +284,20 @@ int read_dst(struct dst_state *state, u8 *ret, u8 len)
 
 	for (cnt = 0; cnt < 2; cnt++) {
 		if ((err = i2c_transfer(state->i2c, &msg, 1)) < 0) {
-			dprintk(verbose, DST_INFO, 1, "read_dst error (err == %i, len == 0x%02x, b0 == 0x%02x)", err, len, ret[0]);
+			dprintk(2, "read_dst error (err == %i, len == 0x%02x, b0 == 0x%02x)\n",
+				err, len, ret[0]);
 			dst_error_recovery(state);
 			continue;
 		} else
 			break;
 	}
 	if (cnt >= 2) {
-		dprintk(verbose, DST_INFO, 1, "RDC 8820 RESET");
+		dprintk(2, "RDC 8820 RESET\n");
 		dst_error_bailout(state);
 
 		return -1;
 	}
-	dprintk(verbose, DST_DEBUG, 1, "reply is 0x%x", ret[0]);
-	for (err = 1; err < len; err++)
-		dprintk(verbose, DST_DEBUG, 0, " 0x%x", ret[err]);
-	if (err > 1)
-		dprintk(verbose, DST_DEBUG, 0, "\n");
+	dprintk(3, "reply is %*ph\n", len, ret);
 
 	return 0;
 }
@@ -326,11 +307,11 @@ static int dst_set_polarization(struct dst_state *state)
 {
 	switch (state->voltage) {
 	case SEC_VOLTAGE_13:	/*	Vertical	*/
-		dprintk(verbose, DST_INFO, 1, "Polarization=[Vertical]");
+		dprintk(2, "Polarization=[Vertical]\n");
 		state->tx_tuna[8] &= ~0x40;
 		break;
 	case SEC_VOLTAGE_18:	/*	Horizontal	*/
-		dprintk(verbose, DST_INFO, 1, "Polarization=[Horizontal]");
+		dprintk(2, "Polarization=[Horizontal]\n");
 		state->tx_tuna[8] |= 0x40;
 		break;
 	case SEC_VOLTAGE_OFF:
@@ -343,7 +324,7 @@ static int dst_set_polarization(struct dst_state *state)
 static int dst_set_freq(struct dst_state *state, u32 freq)
 {
 	state->frequency = freq;
-	dprintk(verbose, DST_INFO, 1, "set Frequency %u", freq);
+	dprintk(2, "set Frequency %u\n", freq);
 
 	if (state->dst_type == DST_TYPE_IS_SAT) {
 		freq = freq / 1000;
@@ -463,7 +444,7 @@ static int dst_set_symbolrate(struct dst_state *state, u32 srate)
 	if (state->dst_type == DST_TYPE_IS_TERR) {
 		return -EOPNOTSUPP;
 	}
-	dprintk(verbose, DST_INFO, 1, "set symrate %u", srate);
+	dprintk(2, "set symrate %u\n", srate);
 	srate /= 1000;
 	if (state->dst_type == DST_TYPE_IS_SAT) {
 		if (state->type_flags & DST_TYPE_HAS_SYMDIV) {
@@ -471,7 +452,7 @@ static int dst_set_symbolrate(struct dst_state *state, u32 srate)
 			sval <<= 20;
 			do_div(sval, 88000);
 			symcalc = (u32) sval;
-			dprintk(verbose, DST_INFO, 1, "set symcalc %u", symcalc);
+			dprintk(2, "set symcalc %u\n", symcalc);
 			state->tx_tuna[5] = (u8) (symcalc >> 12);
 			state->tx_tuna[6] = (u8) (symcalc >> 4);
 			state->tx_tuna[7] = (u8) (symcalc << 4);
@@ -486,7 +467,7 @@ static int dst_set_symbolrate(struct dst_state *state, u32 srate)
 				state->tx_tuna[8] |= 0x20;
 		}
 	} else if (state->dst_type == DST_TYPE_IS_CABLE) {
-		dprintk(verbose, DST_DEBUG, 1, "%s", state->fw_name);
+		dprintk(3, "%s\n", state->fw_name);
 		if (!strncmp(state->fw_name, "DCTNEW", 6)) {
 			state->tx_tuna[5] = (u8) (srate >> 8);
 			state->tx_tuna[6] = (u8) srate;
@@ -561,24 +542,24 @@ static void dst_type_flags_print(struct dst_state *state)
 {
 	u32 type_flags = state->type_flags;
 
-	dprintk(verbose, DST_ERROR, 0, "DST type flags :");
+	pr_err("DST type flags :\n");
 	if (type_flags & DST_TYPE_HAS_TS188)
-		dprintk(verbose, DST_ERROR, 0, " 0x%x newtuner", DST_TYPE_HAS_TS188);
+		pr_err(" 0x%x newtuner\n", DST_TYPE_HAS_TS188);
 	if (type_flags & DST_TYPE_HAS_NEWTUNE_2)
-		dprintk(verbose, DST_ERROR, 0, " 0x%x newtuner 2", DST_TYPE_HAS_NEWTUNE_2);
+		pr_err(" 0x%x newtuner 2\n", DST_TYPE_HAS_NEWTUNE_2);
 	if (type_flags & DST_TYPE_HAS_TS204)
-		dprintk(verbose, DST_ERROR, 0, " 0x%x ts204", DST_TYPE_HAS_TS204);
+		pr_err(" 0x%x ts204\n", DST_TYPE_HAS_TS204);
 	if (type_flags & DST_TYPE_HAS_VLF)
-		dprintk(verbose, DST_ERROR, 0, " 0x%x VLF", DST_TYPE_HAS_VLF);
+		pr_err(" 0x%x VLF\n", DST_TYPE_HAS_VLF);
 	if (type_flags & DST_TYPE_HAS_SYMDIV)
-		dprintk(verbose, DST_ERROR, 0, " 0x%x symdiv", DST_TYPE_HAS_SYMDIV);
+		pr_err(" 0x%x symdiv\n", DST_TYPE_HAS_SYMDIV);
 	if (type_flags & DST_TYPE_HAS_FW_1)
-		dprintk(verbose, DST_ERROR, 0, " 0x%x firmware version = 1", DST_TYPE_HAS_FW_1);
+		pr_err(" 0x%x firmware version = 1\n", DST_TYPE_HAS_FW_1);
 	if (type_flags & DST_TYPE_HAS_FW_2)
-		dprintk(verbose, DST_ERROR, 0, " 0x%x firmware version = 2", DST_TYPE_HAS_FW_2);
+		pr_err(" 0x%x firmware version = 2\n", DST_TYPE_HAS_FW_2);
 	if (type_flags & DST_TYPE_HAS_FW_3)
-		dprintk(verbose, DST_ERROR, 0, " 0x%x firmware version = 3", DST_TYPE_HAS_FW_3);
-	dprintk(verbose, DST_ERROR, 0, "\n");
+		pr_err(" 0x%x firmware version = 3\n", DST_TYPE_HAS_FW_3);
+	pr_err("\n");
 }
 
 
@@ -603,10 +584,10 @@ static int dst_type_print(struct dst_state *state, u8 type)
 		break;
 
 	default:
-		dprintk(verbose, DST_INFO, 1, "invalid dst type %d", type);
+		dprintk(2, "invalid dst type %d\n", type);
 		return -EINVAL;
 	}
-	dprintk(verbose, DST_INFO, 1, "DST type: %s", otype);
+	dprintk(2, "DST type: %s\n", otype);
 
 	return 0;
 }
@@ -914,12 +895,12 @@ static int dst_get_mac(struct dst_state *state)
 	u8 get_mac[] = { 0x00, 0x0a, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
 	get_mac[7] = dst_check_sum(get_mac, 7);
 	if (dst_command(state, get_mac, 8) < 0) {
-		dprintk(verbose, DST_INFO, 1, "Unsupported Command");
+		dprintk(2, "Unsupported Command\n");
 		return -1;
 	}
 	memset(&state->mac_address, '\0', 8);
 	memcpy(&state->mac_address, &state->rxbuffer, 6);
-	dprintk(verbose, DST_ERROR, 1, "MAC Address=[%pM]", state->mac_address);
+	pr_err("MAC Address=[%pM]\n", state->mac_address);
 
 	return 0;
 }
@@ -929,11 +910,11 @@ static int dst_fw_ver(struct dst_state *state)
 	u8 get_ver[] = { 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
 	get_ver[7] = dst_check_sum(get_ver, 7);
 	if (dst_command(state, get_ver, 8) < 0) {
-		dprintk(verbose, DST_INFO, 1, "Unsupported Command");
+		dprintk(2, "Unsupported Command\n");
 		return -1;
 	}
 	memcpy(&state->fw_version, &state->rxbuffer, 8);
-	dprintk(verbose, DST_ERROR, 1, "Firmware Ver = %x.%x Build = %02x, on %x:%x, %x-%x-20%02x",
+	pr_err("Firmware Ver = %x.%x Build = %02x, on %x:%x, %x-%x-20%02x\n",
 		state->fw_version[0] >> 4, state->fw_version[0] & 0x0f,
 		state->fw_version[1],
 		state->fw_version[5], state->fw_version[6],
@@ -950,17 +931,17 @@ static int dst_card_type(struct dst_state *state)
 	u8 get_type[] = { 0x00, 0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
 	get_type[7] = dst_check_sum(get_type, 7);
 	if (dst_command(state, get_type, 8) < 0) {
-		dprintk(verbose, DST_INFO, 1, "Unsupported Command");
+		dprintk(2, "Unsupported Command\n");
 		return -1;
 	}
 	memset(&state->card_info, '\0', 8);
 	memcpy(&state->card_info, &state->rxbuffer, 7);
-	dprintk(verbose, DST_ERROR, 1, "Device Model=[%s]", &state->card_info[0]);
+	pr_err("Device Model=[%s]\n", &state->card_info[0]);
 
 	for (j = 0, p_tuner_list = tuner_list; j < ARRAY_SIZE(tuner_list); j++, p_tuner_list++) {
 		if (!strcmp(&state->card_info[0], p_tuner_list->board_name)) {
 			state->tuner_type = p_tuner_list->tuner_type;
-			dprintk(verbose, DST_ERROR, 1, "DST has [%s] tuner, tuner type=[%d]",
+			pr_err("DST has [%s] tuner, tuner type=[%d]\n",
 				p_tuner_list->tuner_name, p_tuner_list->tuner_type);
 		}
 	}
@@ -973,26 +954,19 @@ static int dst_get_vendor(struct dst_state *state)
 	u8 get_vendor[] = { 0x00, 0x12, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
 	get_vendor[7] = dst_check_sum(get_vendor, 7);
 	if (dst_command(state, get_vendor, 8) < 0) {
-		dprintk(verbose, DST_INFO, 1, "Unsupported Command");
+		dprintk(2, "Unsupported Command\n");
 		return -1;
 	}
 	memset(&state->vendor, '\0', 8);
 	memcpy(&state->vendor, &state->rxbuffer, 7);
-	dprintk(verbose, DST_ERROR, 1, "Vendor=[%s]", &state->vendor[0]);
+	pr_err("Vendor=[%s]\n", &state->vendor[0]);
 
 	return 0;
 }
 
 static void debug_dst_buffer(struct dst_state *state)
 {
-	int i;
-
-	if (verbose > 2) {
-		printk("%s: [", __func__);
-		for (i = 0; i < 8; i++)
-			printk(" %02x", state->rxbuffer[i]);
-		printk("]\n");
-	}
+	dprintk(3, "%s: [ %*ph ]\n", __func__, 8, state->rxbuffer);
 }
 
 static int dst_check_stv0299(struct dst_state *state)
@@ -1001,13 +975,13 @@ static int dst_check_stv0299(struct dst_state *state)
 
 	check_stv0299[7] = dst_check_sum(check_stv0299, 7);
 	if (dst_command(state, check_stv0299, 8) < 0) {
-		dprintk(verbose, DST_ERROR, 1, "Cmd=[0x04] failed");
+		pr_err("Cmd=[0x04] failed\n");
 		return -1;
 	}
 	debug_dst_buffer(state);
 
 	if (memcmp(&check_stv0299, &state->rxbuffer, 8)) {
-		dprintk(verbose, DST_ERROR, 1, "Found a STV0299 NIM");
+		pr_err("Found a STV0299 NIM\n");
 		state->tuner_type = TUNER_TYPE_STV0299;
 		return 0;
 	}
@@ -1021,13 +995,13 @@ static int dst_check_mb86a15(struct dst_state *state)
 
 	check_mb86a15[7] = dst_check_sum(check_mb86a15, 7);
 	if (dst_command(state, check_mb86a15, 8) < 0) {
-		dprintk(verbose, DST_ERROR, 1, "Cmd=[0x10], failed");
+		pr_err("Cmd=[0x10], failed\n");
 		return -1;
 	}
 	debug_dst_buffer(state);
 
 	if (memcmp(&check_mb86a15, &state->rxbuffer, 8) < 0) {
-		dprintk(verbose, DST_ERROR, 1, "Found a MB86A15 NIM");
+		pr_err("Found a MB86A15 NIM\n");
 		state->tuner_type = TUNER_TYPE_MB86A15;
 		return 0;
 	}
@@ -1042,21 +1016,21 @@ static int dst_get_tuner_info(struct dst_state *state)
 
 	get_tuner_1[7] = dst_check_sum(get_tuner_1, 7);
 	get_tuner_2[7] = dst_check_sum(get_tuner_2, 7);
-	dprintk(verbose, DST_ERROR, 1, "DST TYpe = MULTI FE");
+	pr_err("DST TYpe = MULTI FE\n");
 	if (state->type_flags & DST_TYPE_HAS_MULTI_FE) {
 		if (dst_command(state, get_tuner_1, 8) < 0) {
-			dprintk(verbose, DST_INFO, 1, "Cmd=[0x13], Unsupported");
+			dprintk(2, "Cmd=[0x13], Unsupported\n");
 			goto force;
 		}
 	} else {
 		if (dst_command(state, get_tuner_2, 8) < 0) {
-			dprintk(verbose, DST_INFO, 1, "Cmd=[0xb], Unsupported");
+			dprintk(2, "Cmd=[0xb], Unsupported\n");
 			goto force;
 		}
 	}
 	memcpy(&state->board_info, &state->rxbuffer, 8);
 	if (state->type_flags & DST_TYPE_HAS_MULTI_FE) {
-		dprintk(verbose, DST_ERROR, 1, "DST type has TS=188");
+		pr_err("DST type has TS=188\n");
 	}
 	if (state->board_info[0] == 0xbc) {
 		if (state->dst_type != DST_TYPE_IS_ATSC)
@@ -1066,7 +1040,7 @@ static int dst_get_tuner_info(struct dst_state *state)
 
 		if (state->board_info[1] == 0x01) {
 			state->dst_hw_cap |= DST_TYPE_HAS_DBOARD;
-			dprintk(verbose, DST_ERROR, 1, "DST has Daughterboard");
+			pr_err("DST has Daughterboard\n");
 		}
 	}
 
@@ -1074,7 +1048,7 @@ static int dst_get_tuner_info(struct dst_state *state)
 force:
 	if (!strncmp(state->fw_name, "DCT-CI", 6)) {
 		state->type_flags |= DST_TYPE_HAS_TS204;
-		dprintk(verbose, DST_ERROR, 1, "Forcing [%s] to TS188", state->fw_name);
+		pr_err("Forcing [%s] to TS188\n", state->fw_name);
 	}
 
 	return -1;
@@ -1103,7 +1077,7 @@ static int dst_get_device_id(struct dst_state *state)
 	if (read_dst(state, &reply, GET_ACK))
 		return -1;		/*	Read failure		*/
 	if (reply != ACK) {
-		dprintk(verbose, DST_INFO, 1, "Write not Acknowledged! [Reply=0x%02x]", reply);
+		dprintk(2, "Write not Acknowledged! [Reply=0x%02x]\n", reply);
 		return -1;		/*	Unack'd write		*/
 	}
 	if (!dst_wait_dst_ready(state, DEVICE_INIT))
@@ -1113,7 +1087,7 @@ static int dst_get_device_id(struct dst_state *state)
 
 	dst_pio_disable(state);
 	if (state->rxbuffer[7] != dst_check_sum(state->rxbuffer, 7)) {
-		dprintk(verbose, DST_INFO, 1, "Checksum failure!");
+		dprintk(2, "Checksum failure!\n");
 		return -1;		/*	Checksum failure	*/
 	}
 	state->rxbuffer[7] = '\0';
@@ -1125,7 +1099,7 @@ static int dst_get_device_id(struct dst_state *state)
 
 			/*	Card capabilities	*/
 			state->dst_hw_cap = p_dst_type->dst_feature;
-			dprintk(verbose, DST_ERROR, 1, "Recognise [%s]", p_dst_type->device_id);
+			pr_err("Recognise [%s]\n", p_dst_type->device_id);
 			strncpy(&state->fw_name[0], p_dst_type->device_id, 6);
 			/*	Multiple tuners		*/
 			if (p_dst_type->tuner_type & TUNER_TYPE_MULTI) {
@@ -1133,7 +1107,7 @@ static int dst_get_device_id(struct dst_state *state)
 				case DST_TYPE_IS_SAT:
 					/*	STV0299 check	*/
 					if (dst_check_stv0299(state) < 0) {
-						dprintk(verbose, DST_ERROR, 1, "Unsupported");
+						pr_err("Unsupported\n");
 						state->tuner_type = TUNER_TYPE_MB86A15;
 					}
 					break;
@@ -1141,7 +1115,7 @@ static int dst_get_device_id(struct dst_state *state)
 					break;
 				}
 				if (dst_check_mb86a15(state) < 0)
-					dprintk(verbose, DST_ERROR, 1, "Unsupported");
+					pr_err("Unsupported\n");
 			/*	Single tuner		*/
 			} else {
 				state->tuner_type = p_dst_type->tuner_type;
@@ -1149,7 +1123,7 @@ static int dst_get_device_id(struct dst_state *state)
 			for (j = 0, p_tuner_list = tuner_list; j < ARRAY_SIZE(tuner_list); j++, p_tuner_list++) {
 				if (!(strncmp(p_dst_type->device_id, p_tuner_list->fw_name, 7)) &&
 					p_tuner_list->tuner_type == state->tuner_type) {
-					dprintk(verbose, DST_ERROR, 1, "[%s] has a [%s]",
+					pr_err("[%s] has a [%s]\n",
 						p_dst_type->device_id, p_tuner_list->tuner_name);
 				}
 			}
@@ -1158,8 +1132,8 @@ static int dst_get_device_id(struct dst_state *state)
 	}
 
 	if (i >= ARRAY_SIZE(dst_tlist)) {
-		dprintk(verbose, DST_ERROR, 1, "Unable to recognize %s or %s", &state->rxbuffer[0], &state->rxbuffer[1]);
-		dprintk(verbose, DST_ERROR, 1, "please email linux-dvb@linuxtv.org with this type in");
+		pr_err("Unable to recognize %s or %s\n", &state->rxbuffer[0], &state->rxbuffer[1]);
+		pr_err("please email linux-dvb@linuxtv.org with this type in");
 		use_dst_type = DST_TYPE_IS_SAT;
 		use_type_flags = DST_TYPE_HAS_SYMDIV;
 	}
@@ -1176,7 +1150,7 @@ static int dst_probe(struct dst_state *state)
 	mutex_init(&state->dst_mutex);
 	if (dst_addons & DST_TYPE_HAS_CA) {
 		if ((rdc_8820_reset(state)) < 0) {
-			dprintk(verbose, DST_ERROR, 1, "RDC 8820 RESET Failed.");
+			pr_err("RDC 8820 RESET Failed.\n");
 			return -1;
 		}
 		msleep(4000);
@@ -1184,35 +1158,35 @@ static int dst_probe(struct dst_state *state)
 		msleep(100);
 	}
 	if ((dst_comm_init(state)) < 0) {
-		dprintk(verbose, DST_ERROR, 1, "DST Initialization Failed.");
+		pr_err("DST Initialization Failed.\n");
 		return -1;
 	}
 	msleep(100);
 	if (dst_get_device_id(state) < 0) {
-		dprintk(verbose, DST_ERROR, 1, "unknown device.");
+		pr_err("unknown device.\n");
 		return -1;
 	}
 	if (dst_get_mac(state) < 0) {
-		dprintk(verbose, DST_INFO, 1, "MAC: Unsupported command");
+		dprintk(2, "MAC: Unsupported command\n");
 	}
 	if ((state->type_flags & DST_TYPE_HAS_MULTI_FE) || (state->type_flags & DST_TYPE_HAS_FW_BUILD)) {
 		if (dst_get_tuner_info(state) < 0)
-			dprintk(verbose, DST_INFO, 1, "Tuner: Unsupported command");
+			dprintk(2, "Tuner: Unsupported command\n");
 	}
 	if (state->type_flags & DST_TYPE_HAS_TS204) {
 		dst_packsize(state, 204);
 	}
 	if (state->type_flags & DST_TYPE_HAS_FW_BUILD) {
 		if (dst_fw_ver(state) < 0) {
-			dprintk(verbose, DST_INFO, 1, "FW: Unsupported command");
+			dprintk(2, "FW: Unsupported command\n");
 			return 0;
 		}
 		if (dst_card_type(state) < 0) {
-			dprintk(verbose, DST_INFO, 1, "Card: Unsupported command");
+			dprintk(2, "Card: Unsupported command\n");
 			return 0;
 		}
 		if (dst_get_vendor(state) < 0) {
-			dprintk(verbose, DST_INFO, 1, "Vendor: Unsupported command");
+			dprintk(2, "Vendor: Unsupported command\n");
 			return 0;
 		}
 	}
@@ -1226,33 +1200,33 @@ static int dst_command(struct dst_state *state, u8 *data, u8 len)
 
 	mutex_lock(&state->dst_mutex);
 	if ((dst_comm_init(state)) < 0) {
-		dprintk(verbose, DST_NOTICE, 1, "DST Communication Initialization Failed.");
+		dprintk(1, "DST Communication Initialization Failed.\n");
 		goto error;
 	}
 	if (write_dst(state, data, len)) {
-		dprintk(verbose, DST_INFO, 1, "Trying to recover.. ");
+		dprintk(2, "Trying to recover..\n");
 		if ((dst_error_recovery(state)) < 0) {
-			dprintk(verbose, DST_ERROR, 1, "Recovery Failed.");
+			pr_err("Recovery Failed.\n");
 			goto error;
 		}
 		goto error;
 	}
 	if ((dst_pio_disable(state)) < 0) {
-		dprintk(verbose, DST_ERROR, 1, "PIO Disable Failed.");
+		pr_err("PIO Disable Failed.\n");
 		goto error;
 	}
 	if (state->type_flags & DST_TYPE_HAS_FW_1)
 		mdelay(3);
 	if (read_dst(state, &reply, GET_ACK)) {
-		dprintk(verbose, DST_DEBUG, 1, "Trying to recover.. ");
+		dprintk(3, "Trying to recover..\n");
 		if ((dst_error_recovery(state)) < 0) {
-			dprintk(verbose, DST_INFO, 1, "Recovery Failed.");
+			dprintk(2, "Recovery Failed.\n");
 			goto error;
 		}
 		goto error;
 	}
 	if (reply != ACK) {
-		dprintk(verbose, DST_INFO, 1, "write not acknowledged 0x%02x ", reply);
+		dprintk(2, "write not acknowledged 0x%02x\n", reply);
 		goto error;
 	}
 	if (len >= 2 && data[0] == 0 && (data[1] == 1 || data[1] == 3))
@@ -1264,15 +1238,15 @@ static int dst_command(struct dst_state *state, u8 *data, u8 len)
 	if (!dst_wait_dst_ready(state, NO_DELAY))
 		goto error;
 	if (read_dst(state, state->rxbuffer, FIXED_COMM)) {
-		dprintk(verbose, DST_DEBUG, 1, "Trying to recover.. ");
+		dprintk(3, "Trying to recover..\n");
 		if ((dst_error_recovery(state)) < 0) {
-			dprintk(verbose, DST_INFO, 1, "Recovery failed.");
+			dprintk(2, "Recovery failed.\n");
 			goto error;
 		}
 		goto error;
 	}
 	if (state->rxbuffer[7] != dst_check_sum(state->rxbuffer, 7)) {
-		dprintk(verbose, DST_INFO, 1, "checksum failure");
+		dprintk(2, "checksum failure\n");
 		goto error;
 	}
 	mutex_unlock(&state->dst_mutex);
@@ -1348,19 +1322,19 @@ static int dst_get_tuna(struct dst_state *state)
 	else
 		retval = read_dst(state, &state->rx_tuna[2], FIXED_COMM);
 	if (retval < 0) {
-		dprintk(verbose, DST_DEBUG, 1, "read not successful");
+		dprintk(3, "read not successful\n");
 		return retval;
 	}
 	if ((state->type_flags & DST_TYPE_HAS_VLF) &&
 	   !(state->dst_type == DST_TYPE_IS_ATSC)) {
 
 		if (state->rx_tuna[9] != dst_check_sum(&state->rx_tuna[0], 9)) {
-			dprintk(verbose, DST_INFO, 1, "checksum failure ? ");
+			dprintk(2, "checksum failure ?\n");
 			return -EIO;
 		}
 	} else {
 		if (state->rx_tuna[9] != dst_check_sum(&state->rx_tuna[2], 7)) {
-			dprintk(verbose, DST_INFO, 1, "checksum failure? ");
+			dprintk(2, "checksum failure?\n");
 			return -EIO;
 		}
 	}
@@ -1387,7 +1361,7 @@ static int dst_write_tuna(struct dvb_frontend *fe)
 	int retval;
 	u8 reply;
 
-	dprintk(verbose, DST_INFO, 1, "type_flags 0x%x ", state->type_flags);
+	dprintk(2, "type_flags 0x%x\n", state->type_flags);
 	state->decode_freq = 0;
 	state->decode_lock = state->decode_strength = state->decode_snr = 0;
 	if (state->dst_type == DST_TYPE_IS_SAT) {
@@ -1397,7 +1371,7 @@ static int dst_write_tuna(struct dvb_frontend *fe)
 	state->diseq_flags &= ~(HAS_LOCK | ATTEMPT_TUNE);
 	mutex_lock(&state->dst_mutex);
 	if ((dst_comm_init(state)) < 0) {
-		dprintk(verbose, DST_DEBUG, 1, "DST Communication initialization failed.");
+		dprintk(3, "DST Communication initialization failed.\n");
 		goto error;
 	}
 //	if (state->type_flags & DST_TYPE_HAS_NEWTUNE) {
@@ -1412,19 +1386,19 @@ static int dst_write_tuna(struct dvb_frontend *fe)
 	}
 	if (retval < 0) {
 		dst_pio_disable(state);
-		dprintk(verbose, DST_DEBUG, 1, "write not successful");
+		dprintk(3, "write not successful\n");
 		goto werr;
 	}
 	if ((dst_pio_disable(state)) < 0) {
-		dprintk(verbose, DST_DEBUG, 1, "DST PIO disable failed !");
+		dprintk(3, "DST PIO disable failed !\n");
 		goto error;
 	}
 	if ((read_dst(state, &reply, GET_ACK) < 0)) {
-		dprintk(verbose, DST_DEBUG, 1, "read verify not successful.");
+		dprintk(3, "read verify not successful.\n");
 		goto error;
 	}
 	if (reply != ACK) {
-		dprintk(verbose, DST_DEBUG, 1, "write not acknowledged 0x%02x ", reply);
+		dprintk(3, "write not acknowledged 0x%02x\n", reply);
 		goto error;
 	}
 	state->diseq_flags |= ATTEMPT_TUNE;
@@ -1622,7 +1596,7 @@ static int dst_set_frontend(struct dvb_frontend *fe)
 		retval = dst_set_freq(state, p->frequency);
 		if(retval != 0)
 			return retval;
-		dprintk(verbose, DST_DEBUG, 1, "Set Frequency=[%d]", p->frequency);
+		dprintk(3, "Set Frequency=[%d]\n", p->frequency);
 
 		if (state->dst_type == DST_TYPE_IS_SAT) {
 			if (state->type_flags & DST_TYPE_HAS_OBS_REGS)
@@ -1630,7 +1604,7 @@ static int dst_set_frontend(struct dvb_frontend *fe)
 			dst_set_fec(state, p->fec_inner);
 			dst_set_symbolrate(state, p->symbol_rate);
 			dst_set_polarization(state);
-			dprintk(verbose, DST_DEBUG, 1, "Set Symbolrate=[%d]", p->symbol_rate);
+			dprintk(3, "Set Symbolrate=[%d]\n", p->symbol_rate);
 
 		} else if (state->dst_type == DST_TYPE_IS_TERR)
 			dst_set_bandwidth(state, p->bandwidth_hz);
@@ -1656,7 +1630,7 @@ static int dst_tune_frontend(struct dvb_frontend* fe,
 
 	if (re_tune) {
 		dst_set_freq(state, p->frequency);
-		dprintk(verbose, DST_DEBUG, 1, "Set Frequency=[%d]", p->frequency);
+		dprintk(3, "Set Frequency=[%d]\n", p->frequency);
 
 		if (state->dst_type == DST_TYPE_IS_SAT) {
 			if (state->type_flags & DST_TYPE_HAS_OBS_REGS)
@@ -1664,7 +1638,7 @@ static int dst_tune_frontend(struct dvb_frontend* fe,
 			dst_set_fec(state, p->fec_inner);
 			dst_set_symbolrate(state, p->symbol_rate);
 			dst_set_polarization(state);
-			dprintk(verbose, DST_DEBUG, 1, "Set Symbolrate=[%d]", p->symbol_rate);
+			dprintk(3, "Set Symbolrate=[%d]\n", p->symbol_rate);
 
 		} else if (state->dst_type == DST_TYPE_IS_TERR)
 			dst_set_bandwidth(state, p->bandwidth_hz);
@@ -1722,10 +1696,10 @@ static void bt8xx_dst_release(struct dvb_frontend *fe)
 	kfree(state);
 }
 
-static struct dvb_frontend_ops dst_dvbt_ops;
-static struct dvb_frontend_ops dst_dvbs_ops;
-static struct dvb_frontend_ops dst_dvbc_ops;
-static struct dvb_frontend_ops dst_atsc_ops;
+static const struct dvb_frontend_ops dst_dvbt_ops;
+static const struct dvb_frontend_ops dst_dvbs_ops;
+static const struct dvb_frontend_ops dst_dvbc_ops;
+static const struct dvb_frontend_ops dst_atsc_ops;
 
 struct dst_state *dst_attach(struct dst_state *state, struct dvb_adapter *dvb_adapter)
 {
@@ -1750,7 +1724,7 @@ struct dst_state *dst_attach(struct dst_state *state, struct dvb_adapter *dvb_ad
 		memcpy(&state->frontend.ops, &dst_atsc_ops, sizeof(struct dvb_frontend_ops));
 		break;
 	default:
-		dprintk(verbose, DST_ERROR, 1, "unknown DST type. please report to the LinuxTV.org DVB mailinglist.");
+		pr_err("unknown DST type. please report to the LinuxTV.org DVB mailinglist.\n");
 		kfree(state);
 		return NULL;
 	}
@@ -1761,7 +1735,7 @@ struct dst_state *dst_attach(struct dst_state *state, struct dvb_adapter *dvb_ad
 
 EXPORT_SYMBOL(dst_attach);
 
-static struct dvb_frontend_ops dst_dvbt_ops = {
+static const struct dvb_frontend_ops dst_dvbt_ops = {
 	.delsys = { SYS_DVBT },
 	.info = {
 		.name = "DST DVB-T",
@@ -1790,7 +1764,7 @@ static struct dvb_frontend_ops dst_dvbt_ops = {
 	.read_snr = dst_read_snr,
 };
 
-static struct dvb_frontend_ops dst_dvbs_ops = {
+static const struct dvb_frontend_ops dst_dvbs_ops = {
 	.delsys = { SYS_DVBS },
 	.info = {
 		.name = "DST DVB-S",
@@ -1819,7 +1793,7 @@ static struct dvb_frontend_ops dst_dvbs_ops = {
 	.set_tone = dst_set_tone,
 };
 
-static struct dvb_frontend_ops dst_dvbc_ops = {
+static const struct dvb_frontend_ops dst_dvbc_ops = {
 	.delsys = { SYS_DVBC_ANNEX_A },
 	.info = {
 		.name = "DST DVB-C",
@@ -1848,7 +1822,7 @@ static struct dvb_frontend_ops dst_dvbc_ops = {
 	.read_snr = dst_read_snr,
 };
 
-static struct dvb_frontend_ops dst_atsc_ops = {
+static const struct dvb_frontend_ops dst_atsc_ops = {
 	.delsys = { SYS_ATSC },
 	.info = {
 		.name = "DST ATSC",
diff --git a/drivers/media/pci/bt8xx/dvb-bt8xx.c b/drivers/media/pci/bt8xx/dvb-bt8xx.c
index e69d338ab9be..6100fa71ece8 100644
--- a/drivers/media/pci/bt8xx/dvb-bt8xx.c
+++ b/drivers/media/pci/bt8xx/dvb-bt8xx.c
@@ -19,7 +19,7 @@
  *
  */
 
-#define pr_fmt(fmt) "dvb_bt8xx: " fmt
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 
 #include <linux/bitops.h>
 #include <linux/module.h>
@@ -44,10 +44,12 @@ MODULE_PARM_DESC(debug, "Turn on/off debugging (default:off).");
 
 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
 
-#define dprintk( args... ) \
-	do { \
-		if (debug) printk(KERN_DEBUG args); \
-	} while (0)
+#define dprintk(fmt, arg...) do {				\
+	if (debug)						\
+		printk(KERN_DEBUG pr_fmt("%s: " fmt),		\
+		       __func__, ##arg);			\
+} while (0)
+
 
 #define IF_FREQUENCYx6 217    /* 6 * 36.16666666667MHz */
 
@@ -55,7 +57,7 @@ static void dvb_bt8xx_task(unsigned long data)
 {
 	struct dvb_bt8xx_card *card = (struct dvb_bt8xx_card *)data;
 
-	//printk("%d ", card->bt->finished_block);
+	dprintk("%d\n", card->bt->finished_block);
 
 	while (card->bt->last_block != card->bt->finished_block) {
 		(card->bt->TS_Size ? dvb_dmx_swfilter_204 : dvb_dmx_swfilter)
@@ -443,7 +445,7 @@ static void or51211_reset(struct dvb_frontend * fe)
 	/* reset & PRM1,2&4 are outputs */
 	int ret = bttv_gpio_enable(bt->bttv_nr, 0x001F, 0x001F);
 	if (ret != 0)
-		printk(KERN_WARNING "or51211: Init Error - Can't Reset DVR (%i)\n", ret);
+		pr_warn("or51211: Init Error - Can't Reset DVR (%i)\n", ret);
 	bttv_write_gpio(bt->bttv_nr, 0x001F, 0x0000);   /* Reset */
 	msleep(20);
 	/* Now set for normal operation */
@@ -560,7 +562,8 @@ static void digitv_alps_tded4_reset(struct dvb_bt8xx_card *bt)
 
 	int ret = bttv_gpio_enable(bt->bttv_nr, 0x08, 0x08);
 	if (ret != 0)
-		printk(KERN_WARNING "digitv_alps_tded4: Init Error - Can't Reset DVR (%i)\n", ret);
+		pr_warn("digitv_alps_tded4: Init Error - Can't Reset DVR (%i)\n",
+			ret);
 
 	/* Pulse the reset line */
 	bttv_write_gpio(bt->bttv_nr, 0x08, 0x08); /* High */
@@ -620,7 +623,7 @@ static void frontend_init(struct dvb_bt8xx_card *card, u32 type)
 			dvb_attach(simple_tuner_attach, card->fe,
 				   card->i2c_adapter, 0x61,
 				   TUNER_LG_TDVS_H06XF);
-			dprintk ("dvb_bt8xx: lgdt330x detected\n");
+			dprintk("dvb_bt8xx: lgdt330x detected\n");
 		}
 		break;
 
@@ -635,7 +638,7 @@ static void frontend_init(struct dvb_bt8xx_card *card, u32 type)
 		card->fe = dvb_attach(nxt6000_attach, &vp3021_alps_tded4_config, card->i2c_adapter);
 		if (card->fe != NULL) {
 			card->fe->ops.tuner_ops.set_params = vp3021_alps_tded4_tuner_set_params;
-			dprintk ("dvb_bt8xx: an nxt6000 was detected on your digitv card\n");
+			dprintk("dvb_bt8xx: an nxt6000 was detected on your digitv card\n");
 			break;
 		}
 
@@ -645,7 +648,7 @@ static void frontend_init(struct dvb_bt8xx_card *card, u32 type)
 
 		if (card->fe != NULL) {
 			card->fe->ops.tuner_ops.calc_regs = digitv_alps_tded4_tuner_calc_regs;
-			dprintk ("dvb_bt8xx: an mt352 was detected on your digitv card\n");
+			dprintk("dvb_bt8xx: an mt352 was detected on your digitv card\n");
 		}
 		break;
 
diff --git a/drivers/media/pci/cobalt/cobalt-v4l2.c b/drivers/media/pci/cobalt/cobalt-v4l2.c
index 5c76637900d0..def4a3b37084 100644
--- a/drivers/media/pci/cobalt/cobalt-v4l2.c
+++ b/drivers/media/pci/cobalt/cobalt-v4l2.c
@@ -527,7 +527,7 @@ static void cobalt_video_input_status_show(struct cobalt_stream *s)
 	cvi_ctrl = ioread32(&cvi->control);
 	cvi_stat = ioread32(&cvi->status);
 	vmr_ctrl = ioread32(&vmr->control);
-	vmr_stat = ioread32(&vmr->control);
+	vmr_stat = ioread32(&vmr->status);
 	cobalt_info("rx%d: cvi resolution: %dx%d\n", rx,
 		    ioread32(&cvi->frame_width), ioread32(&cvi->frame_height));
 	cobalt_info("rx%d: cvi control: %s%s%s\n", rx,
@@ -1084,12 +1084,33 @@ static int cobalt_g_parm(struct file *file, void *fh, struct v4l2_streamparm *a)
 	return 0;
 }
 
+static int cobalt_cropcap(struct file *file, void *fh, struct v4l2_cropcap *cc)
+{
+	struct cobalt_stream *s = video_drvdata(file);
+	struct v4l2_dv_timings timings;
+	int err = 0;
+
+	if (cc->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
+		return -EINVAL;
+	if (s->input == 1)
+		timings = cea1080p60;
+	else
+		err = v4l2_subdev_call(s->sd, video, g_dv_timings, &timings);
+	if (!err) {
+		cc->bounds.width = cc->defrect.width = timings.bt.width;
+		cc->bounds.height = cc->defrect.height = timings.bt.height;
+		cc->pixelaspect = v4l2_dv_timings_aspect_ratio(&timings);
+	}
+	return err;
+}
+
 static const struct v4l2_ioctl_ops cobalt_ioctl_ops = {
 	.vidioc_querycap		= cobalt_querycap,
 	.vidioc_g_parm			= cobalt_g_parm,
 	.vidioc_log_status		= cobalt_log_status,
 	.vidioc_streamon		= vb2_ioctl_streamon,
 	.vidioc_streamoff		= vb2_ioctl_streamoff,
+	.vidioc_cropcap			= cobalt_cropcap,
 	.vidioc_enum_input		= cobalt_enum_input,
 	.vidioc_g_input			= cobalt_g_input,
 	.vidioc_s_input			= cobalt_s_input,
diff --git a/drivers/media/pci/cx18/cx18-alsa-main.c b/drivers/media/pci/cx18/cx18-alsa-main.c
index 0b0e8015ad34..9fb7f5978c8b 100644
--- a/drivers/media/pci/cx18/cx18-alsa-main.c
+++ b/drivers/media/pci/cx18/cx18-alsa-main.c
@@ -217,8 +217,8 @@ static int cx18_alsa_load(struct cx18 *cx)
 
 	s = &cx->streams[CX18_ENC_STREAM_TYPE_PCM];
 	if (s->video_dev.v4l2_dev == NULL) {
-		CX18_DEBUG_ALSA_INFO("%s: PCM stream for card is disabled - "
-				     "skipping\n", __func__);
+		CX18_DEBUG_ALSA_INFO("%s: PCM stream for card is disabled - skipping\n",
+				     __func__);
 		return 0;
 	}
 
@@ -232,8 +232,8 @@ static int cx18_alsa_load(struct cx18 *cx)
 		CX18_ALSA_ERR("%s: failed to create struct snd_cx18_card\n",
 			      __func__);
 	} else {
-		CX18_DEBUG_ALSA_INFO("%s: created cx18 ALSA interface instance "
-				     "\n", __func__);
+		CX18_DEBUG_ALSA_INFO("%s: created cx18 ALSA interface instance\n",
+				     __func__);
 	}
 	return 0;
 }
diff --git a/drivers/media/pci/cx18/cx18-av-core.c b/drivers/media/pci/cx18/cx18-av-core.c
index 30bbe8d1ea55..7f7306fd9a7f 100644
--- a/drivers/media/pci/cx18/cx18-av-core.c
+++ b/drivers/media/pci/cx18/cx18-av-core.c
@@ -468,21 +468,19 @@ void cx18_av_std_setup(struct cx18 *cx)
 		CX18_DEBUG_INFO_DEV(sd, "Pixel rate = %d.%06d Mpixel/sec\n",
 				    pll / 8000000, (pll / 8) % 1000000);
 
-		CX18_DEBUG_INFO_DEV(sd, "ADC XTAL/pixel clock decimation ratio "
-				    "= %d.%03d\n", src_decimation / 256,
+		CX18_DEBUG_INFO_DEV(sd, "ADC XTAL/pixel clock decimation ratio = %d.%03d\n",
+				    src_decimation / 256,
 				    ((src_decimation % 256) * 1000) / 256);
 
 		tmp = 28636360 * (u64) sc;
 		do_div(tmp, src_decimation);
 		fsc = tmp >> 13;
 		CX18_DEBUG_INFO_DEV(sd,
-				    "Chroma sub-carrier initial freq = %d.%06d "
-				    "MHz\n", fsc / 1000000, fsc % 1000000);
+				    "Chroma sub-carrier initial freq = %d.%06d MHz\n",
+				    fsc / 1000000, fsc % 1000000);
 
-		CX18_DEBUG_INFO_DEV(sd, "hblank %i, hactive %i, vblank %i, "
-				    "vactive %i, vblank656 %i, src_dec %i, "
-				    "burst 0x%02x, luma_lpf %i, uv_lpf %i, "
-				    "comb 0x%02x, sc 0x%06x\n",
+		CX18_DEBUG_INFO_DEV(sd,
+				    "hblank %i, hactive %i, vblank %i, vactive %i, vblank656 %i, src_dec %i, burst 0x%02x, luma_lpf %i, uv_lpf %i, comb 0x%02x, sc 0x%06x\n",
 				    hblank, hactive, vblank, vactive, vblank656,
 				    src_decimation, burst, luma_lpf, uv_lpf,
 				    comb, sc);
@@ -1069,8 +1067,7 @@ static void log_video_status(struct cx18 *cx)
 		CX18_INFO_DEV(sd, "Specified video input:     Composite %d\n",
 			      vid_input - CX18_AV_COMPOSITE1 + 1);
 	} else {
-		CX18_INFO_DEV(sd, "Specified video input:     "
-			      "S-Video (Luma In%d, Chroma In%d)\n",
+		CX18_INFO_DEV(sd, "Specified video input:     S-Video (Luma In%d, Chroma In%d)\n",
 			      (vid_input & 0xf0) >> 4,
 			      (vid_input & 0xf00) >> 8);
 	}
diff --git a/drivers/media/pci/cx18/cx18-av-firmware.c b/drivers/media/pci/cx18/cx18-av-firmware.c
index a34fd082b76e..160e2e53383f 100644
--- a/drivers/media/pci/cx18/cx18-av-firmware.c
+++ b/drivers/media/pci/cx18/cx18-av-firmware.c
@@ -61,8 +61,7 @@ static int cx18_av_verifyfw(struct cx18 *cx, const struct firmware *fw)
 		dl_control &= 0xffff3fff; /* ignore top 2 bits of address */
 		expected = 0x0f000000 | ((u32)data[addr] << 16) | addr;
 		if (expected != dl_control) {
-			CX18_ERR_DEV(sd, "verification of %s firmware load "
-				     "failed: expected %#010x got %#010x\n",
+			CX18_ERR_DEV(sd, "verification of %s firmware load failed: expected %#010x got %#010x\n",
 				     FWFILE, expected, dl_control);
 			ret = -EIO;
 			break;
diff --git a/drivers/media/pci/cx18/cx18-controls.c b/drivers/media/pci/cx18/cx18-controls.c
index adb5a8c72c06..812a2507945a 100644
--- a/drivers/media/pci/cx18/cx18-controls.c
+++ b/drivers/media/pci/cx18/cx18-controls.c
@@ -44,8 +44,7 @@ static int cx18_s_stream_vbi_fmt(struct cx2341x_handler *cxhdl, u32 fmt)
 	      type == V4L2_MPEG_STREAM_TYPE_MPEG2_SVCD)) {
 		/* Only IVTV fmt VBI insertion & only MPEG-2 PS type streams */
 		cx->vbi.insert_mpeg = V4L2_MPEG_STREAM_VBI_FMT_NONE;
-		CX18_DEBUG_INFO("disabled insertion of sliced VBI data into "
-				"the MPEG stream\n");
+		CX18_DEBUG_INFO("disabled insertion of sliced VBI data into the MPEG stream\n");
 		return 0;
 	}
 
@@ -63,16 +62,14 @@ static int cx18_s_stream_vbi_fmt(struct cx2341x_handler *cxhdl, u32 fmt)
 				}
 				cx->vbi.insert_mpeg =
 						  V4L2_MPEG_STREAM_VBI_FMT_NONE;
-				CX18_WARN("Unable to allocate buffers for "
-					  "sliced VBI data insertion\n");
+				CX18_WARN("Unable to allocate buffers for sliced VBI data insertion\n");
 				return -ENOMEM;
 			}
 		}
 	}
 
 	cx->vbi.insert_mpeg = fmt;
-	CX18_DEBUG_INFO("enabled insertion of sliced VBI data into the MPEG PS,"
-			"when sliced VBI is enabled\n");
+	CX18_DEBUG_INFO("enabled insertion of sliced VBI data into the MPEG PS,when sliced VBI is enabled\n");
 
 	/*
 	 * If our current settings have no lines set for capture, store a valid,
diff --git a/drivers/media/pci/cx18/cx18-driver.c b/drivers/media/pci/cx18/cx18-driver.c
index 2f23b26b16c0..b8eedbe51c8f 100644
--- a/drivers/media/pci/cx18/cx18-driver.c
+++ b/drivers/media/pci/cx18/cx18-driver.c
@@ -405,8 +405,8 @@ static void cx18_process_eeprom(struct cx18 *cx)
 		CX18_ERR("Invalid EEPROM\n");
 		return;
 	default:
-		CX18_ERR("Unknown model %d, defaulting to original HVR-1600 "
-			 "(cardtype=1)\n", tv.model);
+		CX18_ERR("Unknown model %d, defaulting to original HVR-1600 (cardtype=1)\n",
+			 tv.model);
 		cx->card = cx18_get_card(CX18_CARD_HVR_1600_ESMT);
 		break;
 	}
@@ -635,8 +635,8 @@ static void cx18_process_options(struct cx18 *cx)
 			/* convert from kB to bytes */
 			cx->stream_buf_size[i] *= 1024;
 		}
-		CX18_DEBUG_INFO("Stream type %d options: %d MB, %d buffers, "
-				"%d bytes\n", i, cx->options.megabytes[i],
+		CX18_DEBUG_INFO("Stream type %d options: %d MB, %d buffers, %d bytes\n",
+				i, cx->options.megabytes[i],
 				cx->stream_buffers[i], cx->stream_buf_size[i]);
 	}
 
@@ -838,14 +838,13 @@ static int cx18_setup_pci(struct cx18 *cx, struct pci_dev *pci_dev,
 	pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER, &pci_latency);
 
 	if (pci_latency < 64 && cx18_pci_latency) {
-		CX18_INFO("Unreasonably low latency timer, "
-			       "setting to 64 (was %d)\n", pci_latency);
+		CX18_INFO("Unreasonably low latency timer, setting to 64 (was %d)\n",
+			  pci_latency);
 		pci_write_config_byte(pci_dev, PCI_LATENCY_TIMER, 64);
 		pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER, &pci_latency);
 	}
 
-	CX18_DEBUG_INFO("cx%d (rev %d) at %02x:%02x.%x, "
-		   "irq: %d, latency: %d, memory: 0x%llx\n",
+	CX18_DEBUG_INFO("cx%d (rev %d) at %02x:%02x.%x, irq: %d, latency: %d, memory: 0x%llx\n",
 		   cx->pci_dev->device, cx->card_rev, pci_dev->bus->number,
 		   PCI_SLOT(pci_dev->devfn), PCI_FUNC(pci_dev->devfn),
 		   cx->pci_dev->irq, pci_latency, (u64)cx->base_addr);
@@ -910,8 +909,8 @@ static int cx18_probe(struct pci_dev *pci_dev,
 	/* FIXME - module parameter arrays constrain max instances */
 	i = atomic_inc_return(&cx18_instance) - 1;
 	if (i >= CX18_MAX_CARDS) {
-		printk(KERN_ERR "cx18: cannot manage card %d, driver has a "
-		       "limit of 0 - %d\n", i, CX18_MAX_CARDS - 1);
+		printk(KERN_ERR "cx18: cannot manage card %d, driver has a limit of 0 - %d\n",
+		       i, CX18_MAX_CARDS - 1);
 		return -ENOMEM;
 	}
 
@@ -926,8 +925,8 @@ static int cx18_probe(struct pci_dev *pci_dev,
 
 	retval = v4l2_device_register(&pci_dev->dev, &cx->v4l2_dev);
 	if (retval) {
-		printk(KERN_ERR "cx18: v4l2_device_register of card %d failed"
-		       "\n", cx->instance);
+		printk(KERN_ERR "cx18: v4l2_device_register of card %d failed\n",
+		       cx->instance);
 		kfree(cx);
 		return retval;
 	}
@@ -958,13 +957,10 @@ static int cx18_probe(struct pci_dev *pci_dev,
 	cx->enc_mem = ioremap_nocache(cx->base_addr + CX18_MEM_OFFSET,
 				       CX18_MEM_SIZE);
 	if (!cx->enc_mem) {
-		CX18_ERR("ioremap failed. Can't get a window into CX23418 "
-			 "memory and register space\n");
-		CX18_ERR("Each capture card with a CX23418 needs 64 MB of "
-			 "vmalloc address space for the window\n");
+		CX18_ERR("ioremap failed. Can't get a window into CX23418 memory and register space\n");
+		CX18_ERR("Each capture card with a CX23418 needs 64 MB of vmalloc address space for the window\n");
 		CX18_ERR("Check the output of 'grep Vmalloc /proc/meminfo'\n");
-		CX18_ERR("Use the vmalloc= kernel command line option to set "
-			 "VmallocTotal to a larger value\n");
+		CX18_ERR("Use the vmalloc= kernel command line option to set VmallocTotal to a larger value\n");
 		retval = -ENOMEM;
 		goto free_mem;
 	}
@@ -1000,8 +996,7 @@ static int cx18_probe(struct pci_dev *pci_dev,
 	/* Initialize GPIO Reset Controller to do chip resets during i2c init */
 	if (cx->card->hw_all & CX18_HW_GPIO_RESET_CTRL) {
 		if (cx18_gpio_register(cx, CX18_HW_GPIO_RESET_CTRL) != 0)
-			CX18_WARN("Could not register GPIO reset controller"
-				  "subdevice; proceeding anyway.\n");
+			CX18_WARN("Could not register GPIO reset controllersubdevice; proceeding anyway.\n");
 		else
 			cx->hw_flags |= CX18_HW_GPIO_RESET_CTRL;
 	}
diff --git a/drivers/media/pci/cx18/cx18-dvb.c b/drivers/media/pci/cx18/cx18-dvb.c
index 3eac59c51231..03d0478170a7 100644
--- a/drivers/media/pci/cx18/cx18-dvb.c
+++ b/drivers/media/pci/cx18/cx18-dvb.c
@@ -155,10 +155,8 @@ static int yuan_mpc718_mt352_reqfw(struct cx18_stream *stream,
 	}
 
 	if (ret) {
-		CX18_ERR("The MPC718 board variant with the MT352 DVB-T"
-			  "demodualtor will not work without it\n");
-		CX18_ERR("Run 'linux/Documentation/dvb/get_dvb_firmware "
-			  "mpc718' if you need the firmware\n");
+		CX18_ERR("The MPC718 board variant with the MT352 DVB-Tdemodualtor will not work without it\n");
+		CX18_ERR("Run 'linux/Documentation/dvb/get_dvb_firmware mpc718' if you need the firmware\n");
 	}
 	return ret;
 }
diff --git a/drivers/media/pci/cx18/cx18-fileops.c b/drivers/media/pci/cx18/cx18-fileops.c
index df837408efd5..78b399b8613e 100644
--- a/drivers/media/pci/cx18/cx18-fileops.c
+++ b/drivers/media/pci/cx18/cx18-fileops.c
@@ -49,8 +49,7 @@ int cx18_claim_stream(struct cx18_open_id *id, int type)
 
 	/* Nothing should ever try to directly claim the IDX stream */
 	if (type == CX18_ENC_STREAM_TYPE_IDX) {
-		CX18_WARN("MPEG Index stream cannot be claimed "
-			  "directly, but something tried.\n");
+		CX18_WARN("MPEG Index stream cannot be claimed directly, but something tried.\n");
 		return -EINVAL;
 	}
 
@@ -728,8 +727,7 @@ void cx18_stop_capture(struct cx18_open_id *id, int gop_end)
 			/* Stop internal use associated VBI and IDX streams */
 			if (test_bit(CX18_F_S_STREAMING, &s_vbi->s_flags) &&
 			    !test_bit(CX18_F_S_APPL_IO, &s_vbi->s_flags)) {
-				CX18_DEBUG_INFO("close stopping embedded VBI "
-						"capture\n");
+				CX18_DEBUG_INFO("close stopping embedded VBI capture\n");
 				cx18_stop_v4l2_encode_stream(s_vbi, 0);
 			}
 			if (test_bit(CX18_F_S_STREAMING, &s_idx->s_flags)) {
diff --git a/drivers/media/pci/cx18/cx18-ioctl.c b/drivers/media/pci/cx18/cx18-ioctl.c
index fecca2a63891..0faeb979ceb9 100644
--- a/drivers/media/pci/cx18/cx18-ioctl.c
+++ b/drivers/media/pci/cx18/cx18-ioctl.c
@@ -951,8 +951,7 @@ static int cx18_encoder_cmd(struct file *file, void *fh,
 			return 0;
 		h = cx18_find_handle(cx);
 		if (h == CX18_INVALID_TASK_HANDLE) {
-			CX18_ERR("Can't find valid task handle for "
-				 "V4L2_ENC_CMD_PAUSE\n");
+			CX18_ERR("Can't find valid task handle for V4L2_ENC_CMD_PAUSE\n");
 			return -EBADFD;
 		}
 		cx18_mute(cx);
@@ -968,8 +967,7 @@ static int cx18_encoder_cmd(struct file *file, void *fh,
 			return 0;
 		h = cx18_find_handle(cx);
 		if (h == CX18_INVALID_TASK_HANDLE) {
-			CX18_ERR("Can't find valid task handle for "
-				 "V4L2_ENC_CMD_RESUME\n");
+			CX18_ERR("Can't find valid task handle for V4L2_ENC_CMD_RESUME\n");
 			return -EBADFD;
 		}
 		cx18_vapi(cx, CX18_CPU_CAPTURE_RESUME, 1, h);
diff --git a/drivers/media/pci/cx18/cx18-irq.c b/drivers/media/pci/cx18/cx18-irq.c
index 80edfe93a3d8..361426485e98 100644
--- a/drivers/media/pci/cx18/cx18-irq.c
+++ b/drivers/media/pci/cx18/cx18-irq.c
@@ -59,8 +59,8 @@ irqreturn_t cx18_irq_handler(int irq, void *dev_id)
 		cx18_write_reg_expect(cx, hw2, HW2_INT_CLR_STATUS, ~hw2, hw2);
 
 	if (sw1 || sw2 || hw2)
-		CX18_DEBUG_HI_IRQ("received interrupts "
-				  "SW1: %x  SW2: %x  HW2: %x\n", sw1, sw2, hw2);
+		CX18_DEBUG_HI_IRQ("received interrupts SW1: %x	SW2: %x  HW2: %x\n",
+				  sw1, sw2, hw2);
 
 	/*
 	 * SW1 responses have to happen first.  The sending XPU times out the
diff --git a/drivers/media/pci/cx18/cx18-mailbox.c b/drivers/media/pci/cx18/cx18-mailbox.c
index 1f8aa9a749a1..d3cf3588879f 100644
--- a/drivers/media/pci/cx18/cx18-mailbox.c
+++ b/drivers/media/pci/cx18/cx18-mailbox.c
@@ -123,8 +123,8 @@ static void dump_mb(struct cx18 *cx, struct cx18_mailbox *mb, char *name)
 	if (!(cx18_debug & CX18_DBGFLG_API))
 		return;
 
-	CX18_DEBUG_API("%s: req %#010x ack %#010x cmd %#010x err %#010x args%s"
-		       "\n", name, mb->request, mb->ack, mb->cmd, mb->error,
+	CX18_DEBUG_API("%s: req %#010x ack %#010x cmd %#010x err %#010x args%s\n",
+		       name, mb->request, mb->ack, mb->cmd, mb->error,
 		       u32arr2hex(mb->args, MAX_MB_ARGUMENTS, argstr));
 }
 
@@ -255,8 +255,8 @@ static void epu_dma_done(struct cx18 *cx, struct cx18_in_work_order *order)
 	s = cx18_handle_to_stream(cx, handle);
 
 	if (s == NULL) {
-		CX18_WARN("Got DMA done notification for unknown/inactive"
-			  " handle %d, %s mailbox seq no %d\n", handle,
+		CX18_WARN("Got DMA done notification for unknown/inactive handle %d, %s mailbox seq no %d\n",
+			  handle,
 			  (order->flags & CX18_F_EWO_MB_STALE_UPON_RECEIPT) ?
 			  "stale" : "good", mb->request);
 		return;
@@ -290,9 +290,8 @@ static void epu_dma_done(struct cx18 *cx, struct cx18_in_work_order *order)
 		if ((order->flags & CX18_F_EWO_MB_STALE_UPON_RECEIPT) &&
 		    !(id >= s->mdl_base_idx &&
 		      id < (s->mdl_base_idx + s->buffers))) {
-			CX18_WARN("Fell behind! Ignoring stale mailbox with "
-				  " inconsistent data. Lost MDL for mailbox "
-				  "seq no %d\n", mb->request);
+			CX18_WARN("Fell behind! Ignoring stale mailbox with  inconsistent data. Lost MDL for mailbox seq no %d\n",
+				  mb->request);
 			break;
 		}
 		mdl = cx18_queue_get_mdl(s, id, mdl_ack->data_used);
@@ -418,9 +417,7 @@ static void mb_ack_irq(struct cx18 *cx, struct cx18_in_work_order *order)
 	/* Don't ack if the RPU has gotten impatient and timed us out */
 	if (req != cx18_readl(cx, &ack_mb->request) ||
 	    req == cx18_readl(cx, &ack_mb->ack)) {
-		CX18_DEBUG_WARN("Possibly falling behind: %s self-ack'ed our "
-				"incoming %s to EPU mailbox (sequence no. %u) "
-				"while processing\n",
+		CX18_DEBUG_WARN("Possibly falling behind: %s self-ack'ed our incoming %s to EPU mailbox (sequence no. %u) while processing\n",
 				rpu_str[order->rpu], rpu_str[order->rpu], req);
 		order->flags |= CX18_F_EWO_MB_STALE_WHILE_PROC;
 		return;
@@ -555,8 +552,7 @@ void cx18_api_epu_cmd_irq(struct cx18 *cx, int rpu)
 
 	order = alloc_in_work_order_irq(cx);
 	if (order == NULL) {
-		CX18_WARN("Unable to find blank work order form to schedule "
-			  "incoming mailbox command processing\n");
+		CX18_WARN("Unable to find blank work order form to schedule incoming mailbox command processing\n");
 		return;
 	}
 
@@ -573,9 +569,7 @@ void cx18_api_epu_cmd_irq(struct cx18 *cx, int rpu)
 		(&order_mb->request)[i] = cx18_readl(cx, &mb->request + i);
 
 	if (order_mb->request == order_mb->ack) {
-		CX18_DEBUG_WARN("Possibly falling behind: %s self-ack'ed our "
-				"incoming %s to EPU mailbox (sequence no. %u)"
-				"\n",
+		CX18_DEBUG_WARN("Possibly falling behind: %s self-ack'ed our incoming %s to EPU mailbox (sequence no. %u)\n",
 				rpu_str[rpu], rpu_str[rpu], order_mb->request);
 		if (cx18_debug & CX18_DBGFLG_WARN)
 			dump_mb(cx, order_mb, "incoming");
@@ -663,8 +657,8 @@ static int cx18_api_call(struct cx18 *cx, u32 cmd, int args, u32 data[])
 	if (req != ack) {
 		/* waited long enough, make the mbox "not busy" from our end */
 		cx18_writel(cx, req, &mb->ack);
-		CX18_ERR("mbox was found stuck busy when setting up for %s; "
-			 "clearing busy and trying to proceed\n", info->name);
+		CX18_ERR("mbox was found stuck busy when setting up for %s; clearing busy and trying to proceed\n",
+			 info->name);
 	} else if (ret != timeout)
 		CX18_DEBUG_API("waited %u msecs for busy mbox to be acked\n",
 			       jiffies_to_msecs(timeout-ret));
@@ -707,14 +701,10 @@ static int cx18_api_call(struct cx18 *cx, u32 cmd, int args, u32 data[])
 		mutex_unlock(mb_lock);
 		if (ret >= timeout) {
 			/* Timed out */
-			CX18_DEBUG_WARN("sending %s timed out waiting %d msecs "
-					"for RPU acknowledgement\n",
+			CX18_DEBUG_WARN("sending %s timed out waiting %d msecs for RPU acknowledgment\n",
 					info->name, jiffies_to_msecs(ret));
 		} else {
-			CX18_DEBUG_WARN("woken up before mailbox ack was ready "
-					"after submitting %s to RPU.  only "
-					"waited %d msecs on req %u but awakened"
-					" with unmatched ack %u\n",
+			CX18_DEBUG_WARN("woken up before mailbox ack was ready after submitting %s to RPU.  only waited %d msecs on req %u but awakened with unmatched ack %u\n",
 					info->name,
 					jiffies_to_msecs(ret),
 					req, ack);
@@ -723,8 +713,7 @@ static int cx18_api_call(struct cx18 *cx, u32 cmd, int args, u32 data[])
 	}
 
 	if (ret >= timeout)
-		CX18_DEBUG_WARN("failed to be awakened upon RPU acknowledgment "
-				"sending %s; timed out waiting %d msecs\n",
+		CX18_DEBUG_WARN("failed to be awakened upon RPU acknowledgment sending %s; timed out waiting %d msecs\n",
 				info->name, jiffies_to_msecs(ret));
 	else
 		CX18_DEBUG_HI_API("waited %u msecs for %s to be acked\n",
diff --git a/drivers/media/pci/cx18/cx18-queue.c b/drivers/media/pci/cx18/cx18-queue.c
index 2a247d264b87..13e96d6055eb 100644
--- a/drivers/media/pci/cx18/cx18-queue.c
+++ b/drivers/media/pci/cx18/cx18-queue.c
@@ -164,9 +164,8 @@ struct cx18_mdl *cx18_queue_get_mdl(struct cx18_stream *s, u32 id,
 			mdl->skipped++;
 			if (mdl->skipped >= atomic_read(&s->q_busy.depth)-1) {
 				/* mdl must have fallen out of rotation */
-				CX18_WARN("Skipped %s, MDL %d, %d "
-					  "times - it must have dropped out of "
-					  "rotation\n", s->name, mdl->id,
+				CX18_WARN("Skipped %s, MDL %d, %d times - it must have dropped out of rotation\n",
+					  s->name, mdl->id,
 					  mdl->skipped);
 				/* Sweep it up to put it back into rotation */
 				list_move_tail(&mdl->list, &sweep_up);
@@ -352,8 +351,7 @@ int cx18_stream_alloc(struct cx18_stream *s)
 	if (s->buffers == 0)
 		return 0;
 
-	CX18_DEBUG_INFO("Allocate %s stream: %d x %d buffers "
-			"(%d.%02d kB total)\n",
+	CX18_DEBUG_INFO("Allocate %s stream: %d x %d buffers (%d.%02d kB total)\n",
 		s->name, s->buffers, s->buf_size,
 		s->buffers * s->buf_size / 1024,
 		(s->buffers * s->buf_size * 100 / 1024) % 100);
diff --git a/drivers/media/pci/cx18/cx18-streams.c b/drivers/media/pci/cx18/cx18-streams.c
index f3802ec1b383..7f699f0ee76c 100644
--- a/drivers/media/pci/cx18/cx18-streams.c
+++ b/drivers/media/pci/cx18/cx18-streams.c
@@ -353,8 +353,8 @@ static int cx18_prep_dev(struct cx18 *cx, int type)
 		if (cx->card->hw_all & CX18_HW_DVB) {
 			s->dvb = kzalloc(sizeof(struct cx18_dvb), GFP_KERNEL);
 			if (s->dvb == NULL) {
-				CX18_ERR("Couldn't allocate cx18_dvb structure"
-					 " for %s\n", s->name);
+				CX18_ERR("Couldn't allocate cx18_dvb structure for %s\n",
+					 s->name);
 				return -ENOMEM;
 			}
 		} else {
@@ -462,8 +462,7 @@ static int cx18_reg_dev(struct cx18 *cx, int type)
 
 	case VFL_TYPE_VBI:
 		if (cx->stream_buffers[type])
-			CX18_INFO("Registered device %s for %s "
-				  "(%d x %d bytes)\n",
+			CX18_INFO("Registered device %s for %s (%d x %d bytes)\n",
 				  name, s->name, cx->stream_buffers[type],
 				  cx->stream_buf_size[type]);
 		else
diff --git a/drivers/media/pci/cx23885/altera-ci.c b/drivers/media/pci/cx23885/altera-ci.c
index aaf4e46ff3e9..5c94e312cba3 100644
--- a/drivers/media/pci/cx23885/altera-ci.c
+++ b/drivers/media/pci/cx23885/altera-ci.c
@@ -48,6 +48,9 @@
  * |  DATA7|  DATA6|  DATA5|  DATA4|  DATA3|  DATA2|  DATA1|  DATA0|
  * +-------+-------+-------+-------+-------+-------+-------+-------+
  */
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <dvb_demux.h>
 #include <dvb_frontend.h>
 #include "altera-ci.h"
@@ -84,16 +87,18 @@ MODULE_DESCRIPTION("altera FPGA CI module");
 MODULE_AUTHOR("Igor M. Liplianin  <liplianin@netup.ru>");
 MODULE_LICENSE("GPL");
 
-#define ci_dbg_print(args...) \
+#define ci_dbg_print(fmt, args...) \
 	do { \
 		if (ci_dbg) \
-			printk(KERN_DEBUG args); \
+			printk(KERN_DEBUG pr_fmt("%s: " fmt), \
+			       __func__, ##args); \
 	} while (0)
 
-#define pid_dbg_print(args...) \
+#define pid_dbg_print(fmt, args...) \
 	do { \
 		if (pid_dbg) \
-			printk(KERN_DEBUG args); \
+			printk(KERN_DEBUG pr_fmt("%s: " fmt), \
+			       __func__, ##args); \
 	} while (0)
 
 struct altera_ci_state;
@@ -718,7 +723,7 @@ int altera_ci_init(struct altera_ci_config *config, int ci_nr)
 	if (temp_int != NULL) {
 		inter = temp_int->internal;
 		(inter->cis_used)++;
-                inter->fpga_rw = config->fpga_rw;
+		inter->fpga_rw = config->fpga_rw;
 		ci_dbg_print("%s: Find Internal Structure!\n", __func__);
 	} else {
 		inter = kzalloc(sizeof(struct fpga_internal), GFP_KERNEL);
diff --git a/drivers/media/pci/cx23885/altera-ci.h b/drivers/media/pci/cx23885/altera-ci.h
index 57a40c84b46e..ababd80fee93 100644
--- a/drivers/media/pci/cx23885/altera-ci.h
+++ b/drivers/media/pci/cx23885/altera-ci.h
@@ -48,24 +48,24 @@ extern int altera_ci_tuner_reset(void *dev, int ci_nr);
 
 static inline int altera_ci_init(struct altera_ci_config *config, int ci_nr)
 {
-	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
+	pr_warn("%s: driver disabled by Kconfig\n", __func__);
 	return 0;
 }
 
 static inline void altera_ci_release(void *dev, int ci_nr)
 {
-	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
+	pr_warn("%s: driver disabled by Kconfig\n", __func__);
 }
 
 static inline int altera_ci_irq(void *dev)
 {
-	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
+	pr_warn("%s: driver disabled by Kconfig\n", __func__);
 	return 0;
 }
 
 static inline int altera_ci_tuner_reset(void *dev, int ci_nr)
 {
-	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
+	pr_warn("%s: driver disabled by Kconfig\n", __func__);
 	return 0;
 }
 
@@ -74,19 +74,19 @@ static inline int altera_ci_tuner_reset(void *dev, int ci_nr)
 static inline int altera_hw_filt_init(struct altera_ci_config *config,
 							int hw_filt_nr)
 {
-	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
+	pr_warn("%s: driver disabled by Kconfig\n", __func__);
 	return 0;
 }
 
 static inline void altera_hw_filt_release(void *dev, int filt_nr)
 {
-	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
+	pr_warn("%s: driver disabled by Kconfig\n", __func__);
 }
 
 static inline int altera_pid_feed_control(void *dev, int filt_nr,
 		struct dvb_demux_feed *dvbdmxfeed, int onoff)
 {
-	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
+	pr_warn("%s: driver disabled by Kconfig\n", __func__);
 	return 0;
 }
 
diff --git a/drivers/media/pci/cx23885/cimax2.c b/drivers/media/pci/cx23885/cimax2.c
index 631e4f24aea6..5e8e134d81c2 100644
--- a/drivers/media/pci/cx23885/cimax2.c
+++ b/drivers/media/pci/cx23885/cimax2.c
@@ -65,10 +65,11 @@ static unsigned int ci_irq_enable;
 module_param(ci_irq_enable, int, 0644);
 MODULE_PARM_DESC(ci_irq_enable, "Enable IRQ from CAM");
 
-#define ci_dbg_print(args...) \
+#define ci_dbg_print(fmt, args...) \
 	do { \
 		if (ci_dbg) \
-			printk(KERN_DEBUG args); \
+			printk(KERN_DEBUG pr_fmt("%s: " fmt), \
+			       __func__, ##args); \
 	} while (0)
 
 #define ci_irq_flags() (ci_irq_enable ? NETUP_IRQ_IRQAM : 0)
@@ -135,8 +136,7 @@ static int netup_write_i2c(struct i2c_adapter *i2c_adap, u8 addr, u8 reg,
 	};
 
 	if (1 + len > sizeof(buffer)) {
-		printk(KERN_WARNING
-		       "%s: i2c wr reg=%04x: len=%d is too big!\n",
+		pr_warn("%s: i2c wr reg=%04x: len=%d is too big!\n",
 		       KBUILD_MODNAME, reg, len);
 		return -EINVAL;
 	}
@@ -365,11 +365,8 @@ static void netup_read_ci_status(struct work_struct *work)
 		if (ret != 0)
 			return;
 
-		ci_dbg_print("%s: Slot Status Addr=[0x%04x], "
-				"Reg=[0x%02x], data=%02x, "
-				"TS config = %02x\n", __func__,
-				state->ci_i2c_addr, 0, buf[0],
-				buf[0]);
+		ci_dbg_print("%s: Slot Status Addr=[0x%04x], Reg=[0x%02x], data=%02x, TS config = %02x\n",
+			     __func__,	state->ci_i2c_addr, 0, buf[0], buf[0]);
 
 
 		if (buf[0] & 1)
diff --git a/drivers/media/pci/cx23885/cx23885-417.c b/drivers/media/pci/cx23885/cx23885-417.c
index da892f3e3c29..2ff1d1e274be 100644
--- a/drivers/media/pci/cx23885/cx23885-417.c
+++ b/drivers/media/pci/cx23885/cx23885-417.c
@@ -20,6 +20,9 @@
  *  GNU General Public License for more details.
  */
 
+#include "cx23885.h"
+#include "cx23885-ioctl.h"
+
 #include <linux/module.h>
 #include <linux/moduleparam.h>
 #include <linux/init.h>
@@ -32,9 +35,6 @@
 #include <media/v4l2-ioctl.h>
 #include <media/drv-intf/cx2341x.h>
 
-#include "cx23885.h"
-#include "cx23885-ioctl.h"
-
 #define CX23885_FIRM_IMAGE_SIZE 376836
 #define CX23885_FIRM_IMAGE_NAME "v4l-cx23885-enc.fw"
 
@@ -55,8 +55,8 @@ MODULE_PARM_DESC(v4l_debug, "enable V4L debug messages");
 
 #define dprintk(level, fmt, arg...)\
 	do { if (v4l_debug >= level) \
-		printk(KERN_DEBUG "%s: " fmt, \
-		(dev) ? dev->name : "cx23885[?]", ## arg); \
+		printk(KERN_DEBUG pr_fmt("%s: 417:" fmt), \
+			__func__, ##arg); \
 	} while (0)
 
 static struct cx23885_tvnorm cx23885_tvnorms[] = {
@@ -769,10 +769,8 @@ static int cx23885_mbox_func(void *priv,
 	   without side effects */
 	mc417_memory_read(dev, dev->cx23417_mailbox - 4, &value);
 	if (value != 0x12345678) {
-		printk(KERN_ERR
-			"Firmware and/or mailbox pointer not initialized "
-			"or corrupted, signature = 0x%x, cmd = %s\n", value,
-			cmd_to_str(command));
+		pr_err("Firmware and/or mailbox pointer not initialized or corrupted, signature = 0x%x, cmd = %s\n",
+			value, cmd_to_str(command));
 		return -1;
 	}
 
@@ -781,8 +779,8 @@ static int cx23885_mbox_func(void *priv,
 	 */
 	mc417_memory_read(dev, dev->cx23417_mailbox, &flag);
 	if (flag) {
-		printk(KERN_ERR "ERROR: Mailbox appears to be in use "
-			"(%x), cmd = %s\n", flag, cmd_to_str(command));
+		pr_err("ERROR: Mailbox appears to be in use (%x), cmd = %s\n",
+		       flag, cmd_to_str(command));
 		return -1;
 	}
 
@@ -811,7 +809,7 @@ static int cx23885_mbox_func(void *priv,
 		if (0 != (flag & 4))
 			break;
 		if (time_after(jiffies, timeout)) {
-			printk(KERN_ERR "ERROR: API Mailbox timeout\n");
+			pr_err("ERROR: API Mailbox timeout\n");
 			return -1;
 		}
 		udelay(10);
@@ -888,7 +886,7 @@ static int cx23885_find_mailbox(struct cx23885_dev *dev)
 			return i+1;
 		}
 	}
-	printk(KERN_ERR "Mailbox signature values not found!\n");
+	pr_err("Mailbox signature values not found!\n");
 	return -1;
 }
 
@@ -923,7 +921,7 @@ static int cx23885_load_firmware(struct cx23885_dev *dev)
 		IVTV_REG_APU, 0);
 
 	if (retval != 0) {
-		printk(KERN_ERR "%s: Error with mc417_register_write\n",
+		pr_err("%s: Error with mc417_register_write\n",
 			__func__);
 		return -1;
 	}
@@ -932,25 +930,21 @@ static int cx23885_load_firmware(struct cx23885_dev *dev)
 				  &dev->pci->dev);
 
 	if (retval != 0) {
-		printk(KERN_ERR
-			"ERROR: Hotplug firmware request failed (%s).\n",
-			CX23885_FIRM_IMAGE_NAME);
-		printk(KERN_ERR "Please fix your hotplug setup, the board will "
-			"not work without firmware loaded!\n");
+		pr_err("ERROR: Hotplug firmware request failed (%s).\n",
+		       CX23885_FIRM_IMAGE_NAME);
+		pr_err("Please fix your hotplug setup, the board will not work without firmware loaded!\n");
 		return -1;
 	}
 
 	if (firmware->size != CX23885_FIRM_IMAGE_SIZE) {
-		printk(KERN_ERR "ERROR: Firmware size mismatch "
-			"(have %zu, expected %d)\n",
-			firmware->size, CX23885_FIRM_IMAGE_SIZE);
+		pr_err("ERROR: Firmware size mismatch (have %zu, expected %d)\n",
+		       firmware->size, CX23885_FIRM_IMAGE_SIZE);
 		release_firmware(firmware);
 		return -1;
 	}
 
 	if (0 != memcmp(firmware->data, magic, 8)) {
-		printk(KERN_ERR
-			"ERROR: Firmware magic mismatch, wrong file?\n");
+		pr_err("ERROR: Firmware magic mismatch, wrong file?\n");
 		release_firmware(firmware);
 		return -1;
 	}
@@ -962,7 +956,7 @@ static int cx23885_load_firmware(struct cx23885_dev *dev)
 		value = *dataptr;
 		checksum += ~value;
 		if (mc417_memory_write(dev, i, value) != 0) {
-			printk(KERN_ERR "ERROR: Loading firmware failed!\n");
+			pr_err("ERROR: Loading firmware failed!\n");
 			release_firmware(firmware);
 			return -1;
 		}
@@ -973,15 +967,14 @@ static int cx23885_load_firmware(struct cx23885_dev *dev)
 	dprintk(1, "Verifying firmware ...\n");
 	for (i--; i >= 0; i--) {
 		if (mc417_memory_read(dev, i, &value) != 0) {
-			printk(KERN_ERR "ERROR: Reading firmware failed!\n");
+			pr_err("ERROR: Reading firmware failed!\n");
 			release_firmware(firmware);
 			return -1;
 		}
 		checksum -= ~value;
 	}
 	if (checksum) {
-		printk(KERN_ERR
-			"ERROR: Firmware load failed (checksum mismatch).\n");
+		pr_err("ERROR: Firmware load failed (checksum mismatch).\n");
 		release_firmware(firmware);
 		return -1;
 	}
@@ -1006,7 +999,7 @@ static int cx23885_load_firmware(struct cx23885_dev *dev)
 	mc417_register_read(dev, 0x900C, &gpio_value);
 
 	if (retval < 0)
-		printk(KERN_ERR "%s: Error with mc417_register_write\n",
+		pr_err("%s: Error with mc417_register_write\n",
 			__func__);
 	return 0;
 }
@@ -1058,27 +1051,25 @@ static int cx23885_initialize_codec(struct cx23885_dev *dev, int startencoder)
 		dprintk(2, "%s() PING OK\n", __func__);
 		retval = cx23885_load_firmware(dev);
 		if (retval < 0) {
-			printk(KERN_ERR "%s() f/w load failed\n", __func__);
+			pr_err("%s() f/w load failed\n", __func__);
 			return retval;
 		}
 		retval = cx23885_find_mailbox(dev);
 		if (retval < 0) {
-			printk(KERN_ERR "%s() mailbox < 0, error\n",
+			pr_err("%s() mailbox < 0, error\n",
 				__func__);
 			return -1;
 		}
 		dev->cx23417_mailbox = retval;
 		retval = cx23885_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0);
 		if (retval < 0) {
-			printk(KERN_ERR
-				"ERROR: cx23417 firmware ping failed!\n");
+			pr_err("ERROR: cx23417 firmware ping failed!\n");
 			return -1;
 		}
 		retval = cx23885_api_cmd(dev, CX2341X_ENC_GET_VERSION, 0, 1,
 			&version);
 		if (retval < 0) {
-			printk(KERN_ERR "ERROR: cx23417 firmware get encoder :"
-				"version failed!\n");
+			pr_err("ERROR: cx23417 firmware get encoder :version failed!\n");
 			return -1;
 		}
 		dprintk(1, "cx23417 firmware version is 0x%08x\n", version);
@@ -1563,11 +1554,11 @@ int cx23885_417_register(struct cx23885_dev *dev)
 	err = video_register_device(dev->v4l_device,
 		VFL_TYPE_GRABBER, -1);
 	if (err < 0) {
-		printk(KERN_INFO "%s: can't register mpeg device\n", dev->name);
+		pr_info("%s: can't register mpeg device\n", dev->name);
 		return err;
 	}
 
-	printk(KERN_INFO "%s: registered device %s [mpeg]\n",
+	pr_info("%s: registered device %s [mpeg]\n",
 	       dev->name, video_device_node_name(dev->v4l_device));
 
 	/* ST: Configure the encoder paramaters, but don't begin
diff --git a/drivers/media/pci/cx23885/cx23885-alsa.c b/drivers/media/pci/cx23885/cx23885-alsa.c
index 6115d4e148ba..c148f9a4a9ac 100644
--- a/drivers/media/pci/cx23885/cx23885-alsa.c
+++ b/drivers/media/pci/cx23885/cx23885-alsa.c
@@ -17,6 +17,9 @@
  *  GNU General Public License for more details.
  */
 
+#include "cx23885.h"
+#include "cx23885-reg.h"
+
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/device.h>
@@ -35,20 +38,14 @@
 
 #include <sound/tlv.h>
 
-
-#include "cx23885.h"
-#include "cx23885-reg.h"
-
 #define AUDIO_SRAM_CHANNEL	SRAM_CH07
 
 #define dprintk(level, fmt, arg...) do {				\
 	if (audio_debug + 1 > level)					\
-		printk(KERN_INFO "%s: " fmt, chip->dev->name , ## arg);	\
+		printk(KERN_DEBUG pr_fmt("%s: alsa: " fmt), \
+			chip->dev->name, ##arg); \
 } while(0)
 
-#define dprintk_core(level, fmt, arg...)	if (audio_debug >= level) \
-	printk(KERN_DEBUG "%s: " fmt, chip->dev->name , ## arg)
-
 /****************************************************************************
 			Module global static vars
  ****************************************************************************/
@@ -186,8 +183,8 @@ static int cx23885_start_audio_dma(struct cx23885_audio_dev *chip)
 	cx_write(AUD_INT_A_GPCNT_CTL, GP_COUNT_CONTROL_RESET);
 	atomic_set(&chip->count, 0);
 
-	dprintk(1, "Start audio DMA, %d B/line, %d lines/FIFO, %d periods, %d "
-		"byte buffer\n", buf->bpl, cx_read(audio_ch->cmds_start+12)>>1,
+	dprintk(1, "Start audio DMA, %d B/line, %d lines/FIFO, %d periods, %d byte buffer\n",
+		buf->bpl, cx_read(audio_ch->cmds_start+12)>>1,
 		chip->num_periods, buf->bpl * chip->num_periods);
 
 	/* Enables corresponding bits at AUD_INT_STAT */
@@ -247,7 +244,7 @@ int cx23885_audio_irq(struct cx23885_dev *dev, u32 status, u32 mask)
 
 	/* risc op code error */
 	if (status & AUD_INT_OPC_ERR) {
-		printk(KERN_WARNING "%s/1: Audio risc op code error\n",
+		pr_warn("%s/1: Audio risc op code error\n",
 			dev->name);
 		cx_clear(AUD_INT_DMA_CTL, 0x11);
 		cx23885_sram_channel_dump(dev,
@@ -327,8 +324,7 @@ static int snd_cx23885_pcm_open(struct snd_pcm_substream *substream)
 	int err;
 
 	if (!chip) {
-		printk(KERN_ERR "BUG: cx23885 can't find device struct."
-				" Can't proceed with open\n");
+		pr_err("BUG: cx23885 can't find device struct. Can't proceed with open\n");
 		return -ENODEV;
 	}
 
@@ -555,8 +551,8 @@ struct cx23885_audio_dev *cx23885_audio_register(struct cx23885_dev *dev)
 		return NULL;
 
 	if (dev->sram_channels[AUDIO_SRAM_CHANNEL].cmds_start == 0) {
-		printk(KERN_WARNING "%s(): Missing SRAM channel configuration "
-			"for analog TV Audio\n", __func__);
+		pr_warn("%s(): Missing SRAM channel configuration for analog TV Audio\n",
+		       __func__);
 		return NULL;
 	}
 
@@ -590,8 +586,8 @@ struct cx23885_audio_dev *cx23885_audio_register(struct cx23885_dev *dev)
 
 error:
 	snd_card_free(card);
-	printk(KERN_ERR "%s(): Failed to register analog "
-			"audio adapter\n", __func__);
+	pr_err("%s(): Failed to register analog audio adapter\n",
+	       __func__);
 
 	return NULL;
 }
diff --git a/drivers/media/pci/cx23885/cx23885-cards.c b/drivers/media/pci/cx23885/cx23885-cards.c
index 99ba8d6328f0..0350f13c5a9f 100644
--- a/drivers/media/pci/cx23885/cx23885-cards.c
+++ b/drivers/media/pci/cx23885/cx23885-cards.c
@@ -15,6 +15,8 @@
  *  GNU General Public License for more details.
  */
 
+#include "cx23885.h"
+
 #include <linux/init.h>
 #include <linux/module.h>
 #include <linux/pci.h>
@@ -23,7 +25,6 @@
 #include <linux/firmware.h>
 #include <misc/altera.h>
 
-#include "cx23885.h"
 #include "tuner-xc2028.h"
 #include "netup-eeprom.h"
 #include "netup-init.h"
@@ -1096,26 +1097,24 @@ void cx23885_card_list(struct cx23885_dev *dev)
 
 	if (0 == dev->pci->subsystem_vendor &&
 	    0 == dev->pci->subsystem_device) {
-		printk(KERN_INFO
-			"%s: Board has no valid PCIe Subsystem ID and can't\n"
-		       "%s: be autodetected. Pass card=<n> insmod option\n"
-		       "%s: to workaround that. Redirect complaints to the\n"
-		       "%s: vendor of the TV card.  Best regards,\n"
-		       "%s:         -- tux\n",
-		       dev->name, dev->name, dev->name, dev->name, dev->name);
+		pr_info("%s: Board has no valid PCIe Subsystem ID and can't\n"
+			"%s: be autodetected. Pass card=<n> insmod option\n"
+			"%s: to workaround that. Redirect complaints to the\n"
+			"%s: vendor of the TV card.  Best regards,\n"
+			"%s:         -- tux\n",
+			dev->name, dev->name, dev->name, dev->name, dev->name);
 	} else {
-		printk(KERN_INFO
-			"%s: Your board isn't known (yet) to the driver.\n"
-		       "%s: Try to pick one of the existing card configs via\n"
-		       "%s: card=<n> insmod option.  Updating to the latest\n"
-		       "%s: version might help as well.\n",
-		       dev->name, dev->name, dev->name, dev->name);
+		pr_info("%s: Your board isn't known (yet) to the driver.\n"
+			"%s: Try to pick one of the existing card configs via\n"
+			"%s: card=<n> insmod option.  Updating to the latest\n"
+			"%s: version might help as well.\n",
+			dev->name, dev->name, dev->name, dev->name);
 	}
-	printk(KERN_INFO "%s: Here is a list of valid choices for the card=<n> insmod option:\n",
+	pr_info("%s: Here is a list of valid choices for the card=<n> insmod option:\n",
 	       dev->name);
 	for (i = 0; i < cx23885_bcount; i++)
-		printk(KERN_INFO "%s:    card=%d -> %s\n",
-		       dev->name, i, cx23885_boards[i].name);
+		pr_info("%s:    card=%d -> %s\n",
+			dev->name, i, cx23885_boards[i].name);
 }
 
 static void viewcast_eeprom(struct cx23885_dev *dev, u8 *eeprom_data)
@@ -1304,14 +1303,13 @@ static void hauppauge_eeprom(struct cx23885_dev *dev, u8 *eeprom_data)
 		 */
 		break;
 	default:
-		printk(KERN_WARNING "%s: warning: "
-			"unknown hauppauge model #%d\n",
+		pr_warn("%s: warning: unknown hauppauge model #%d\n",
 			dev->name, tv.model);
 		break;
 	}
 
-	printk(KERN_INFO "%s: hauppauge eeprom: model=%d\n",
-			dev->name, tv.model);
+	pr_info("%s: hauppauge eeprom: model=%d\n",
+		dev->name, tv.model);
 }
 
 /* Some TBS cards require initing a chip using a bitbanged SPI attached
@@ -1353,8 +1351,8 @@ int cx23885_tuner_callback(void *priv, int component, int command, int arg)
 		return 0;
 
 	if (command != 0) {
-		printk(KERN_ERR "%s(): Unknown command 0x%x.\n",
-			__func__, command);
+		pr_err("%s(): Unknown command 0x%x.\n",
+		       __func__, command);
 		return -EINVAL;
 	}
 
@@ -2337,14 +2335,13 @@ void cx23885_card_setup(struct cx23885_dev *dev)
 			filename = "dvb-netup-altera-01.fw";
 			break;
 		}
-		printk(KERN_INFO "NetUP card rev=0x%x fw_filename=%s\n",
-				cinfo.rev, filename);
+		pr_info("NetUP card rev=0x%x fw_filename=%s\n",
+			cinfo.rev, filename);
 
 		ret = request_firmware(&fw, filename, &dev->pci->dev);
 		if (ret != 0)
-			printk(KERN_ERR "did not find the firmware file. (%s) "
-			"Please see linux/Documentation/dvb/ for more details "
-			"on firmware-problems.", filename);
+			pr_err("did not find the firmware file. (%s) Please see linux/Documentation/dvb/ for more details on firmware-problems.",
+			       filename);
 		else
 			altera_init(&netup_config, fw);
 
diff --git a/drivers/media/pci/cx23885/cx23885-core.c b/drivers/media/pci/cx23885/cx23885-core.c
index c86b1093ab99..02b5ec549369 100644
--- a/drivers/media/pci/cx23885/cx23885-core.c
+++ b/drivers/media/pci/cx23885/cx23885-core.c
@@ -15,6 +15,8 @@
  *  GNU General Public License for more details.
  */
 
+#include "cx23885.h"
+
 #include <linux/init.h>
 #include <linux/list.h>
 #include <linux/module.h>
@@ -27,7 +29,6 @@
 #include <asm/div64.h>
 #include <linux/firmware.h>
 
-#include "cx23885.h"
 #include "cimax2.h"
 #include "altera-ci.h"
 #include "cx23888-ir.h"
@@ -50,7 +51,8 @@ MODULE_PARM_DESC(card, "card type");
 
 #define dprintk(level, fmt, arg...)\
 	do { if (debug >= level)\
-		printk(KERN_DEBUG "%s: " fmt, dev->name, ## arg);\
+		printk(KERN_DEBUG pr_fmt("%s: " fmt), \
+		       __func__, ##arg); \
 	} while (0)
 
 static unsigned int cx23885_devcount;
@@ -407,19 +409,18 @@ static int cx23885_risc_decode(u32 risc)
 	};
 	int i;
 
-	printk("0x%08x [ %s", risc,
+	printk(KERN_DEBUG "0x%08x [ %s", risc,
 	       instr[risc >> 28] ? instr[risc >> 28] : "INVALID");
 	for (i = ARRAY_SIZE(bits) - 1; i >= 0; i--)
 		if (risc & (1 << (i + 12)))
-			printk(" %s", bits[i]);
-	printk(" count=%d ]\n", risc & 0xfff);
+			pr_cont(" %s", bits[i]);
+	pr_cont(" count=%d ]\n", risc & 0xfff);
 	return incr[risc >> 28] ? incr[risc >> 28] : 1;
 }
 
 static void cx23885_wakeup(struct cx23885_tsport *port,
 			   struct cx23885_dmaqueue *q, u32 count)
 {
-	struct cx23885_dev *dev = port->dev;
 	struct cx23885_buffer *buf;
 
 	if (list_empty(&q->active))
@@ -530,44 +531,44 @@ void cx23885_sram_channel_dump(struct cx23885_dev *dev,
 	u32 risc;
 	unsigned int i, j, n;
 
-	printk(KERN_WARNING "%s: %s - dma channel status dump\n",
-	       dev->name, ch->name);
+	pr_warn("%s: %s - dma channel status dump\n",
+		dev->name, ch->name);
 	for (i = 0; i < ARRAY_SIZE(name); i++)
-		printk(KERN_WARNING "%s:   cmds: %-15s: 0x%08x\n",
-		       dev->name, name[i],
-		       cx_read(ch->cmds_start + 4*i));
+		pr_warn("%s:   cmds: %-15s: 0x%08x\n",
+			dev->name, name[i],
+			cx_read(ch->cmds_start + 4*i));
 
 	for (i = 0; i < 4; i++) {
 		risc = cx_read(ch->cmds_start + 4 * (i + 14));
-		printk(KERN_WARNING "%s:   risc%d: ", dev->name, i);
+		pr_warn("%s:   risc%d: ", dev->name, i);
 		cx23885_risc_decode(risc);
 	}
 	for (i = 0; i < (64 >> 2); i += n) {
 		risc = cx_read(ch->ctrl_start + 4 * i);
 		/* No consideration for bits 63-32 */
 
-		printk(KERN_WARNING "%s:   (0x%08x) iq %x: ", dev->name,
-		       ch->ctrl_start + 4 * i, i);
+		pr_warn("%s:   (0x%08x) iq %x: ", dev->name,
+			ch->ctrl_start + 4 * i, i);
 		n = cx23885_risc_decode(risc);
 		for (j = 1; j < n; j++) {
 			risc = cx_read(ch->ctrl_start + 4 * (i + j));
-			printk(KERN_WARNING "%s:   iq %x: 0x%08x [ arg #%d ]\n",
-			       dev->name, i+j, risc, j);
+			pr_warn("%s:   iq %x: 0x%08x [ arg #%d ]\n",
+				dev->name, i+j, risc, j);
 		}
 	}
 
-	printk(KERN_WARNING "%s: fifo: 0x%08x -> 0x%x\n",
-	       dev->name, ch->fifo_start, ch->fifo_start+ch->fifo_size);
-	printk(KERN_WARNING "%s: ctrl: 0x%08x -> 0x%x\n",
-	       dev->name, ch->ctrl_start, ch->ctrl_start + 6*16);
-	printk(KERN_WARNING "%s:   ptr1_reg: 0x%08x\n",
-	       dev->name, cx_read(ch->ptr1_reg));
-	printk(KERN_WARNING "%s:   ptr2_reg: 0x%08x\n",
-	       dev->name, cx_read(ch->ptr2_reg));
-	printk(KERN_WARNING "%s:   cnt1_reg: 0x%08x\n",
-	       dev->name, cx_read(ch->cnt1_reg));
-	printk(KERN_WARNING "%s:   cnt2_reg: 0x%08x\n",
-	       dev->name, cx_read(ch->cnt2_reg));
+	pr_warn("%s: fifo: 0x%08x -> 0x%x\n",
+		dev->name, ch->fifo_start, ch->fifo_start+ch->fifo_size);
+	pr_warn("%s: ctrl: 0x%08x -> 0x%x\n",
+		dev->name, ch->ctrl_start, ch->ctrl_start + 6*16);
+	pr_warn("%s:   ptr1_reg: 0x%08x\n",
+		dev->name, cx_read(ch->ptr1_reg));
+	pr_warn("%s:   ptr2_reg: 0x%08x\n",
+		dev->name, cx_read(ch->ptr2_reg));
+	pr_warn("%s:   cnt1_reg: 0x%08x\n",
+		dev->name, cx_read(ch->cnt1_reg));
+	pr_warn("%s:   cnt2_reg: 0x%08x\n",
+		dev->name, cx_read(ch->cnt2_reg));
 }
 
 static void cx23885_risc_disasm(struct cx23885_tsport *port,
@@ -576,14 +577,14 @@ static void cx23885_risc_disasm(struct cx23885_tsport *port,
 	struct cx23885_dev *dev = port->dev;
 	unsigned int i, j, n;
 
-	printk(KERN_INFO "%s: risc disasm: %p [dma=0x%08lx]\n",
+	pr_info("%s: risc disasm: %p [dma=0x%08lx]\n",
 	       dev->name, risc->cpu, (unsigned long)risc->dma);
 	for (i = 0; i < (risc->size >> 2); i += n) {
-		printk(KERN_INFO "%s:   %04d: ", dev->name, i);
+		pr_info("%s:   %04d: ", dev->name, i);
 		n = cx23885_risc_decode(le32_to_cpu(risc->cpu[i]));
 		for (j = 1; j < n; j++)
-			printk(KERN_INFO "%s:   %04d: 0x%08x [ arg #%d ]\n",
-			       dev->name, i + j, risc->cpu[i + j], j);
+			pr_info("%s:   %04d: 0x%08x [ arg #%d ]\n",
+				dev->name, i + j, risc->cpu[i + j], j);
 		if (risc->cpu[i] == cpu_to_le32(RISC_JUMP))
 			break;
 	}
@@ -674,8 +675,8 @@ static int get_resources(struct cx23885_dev *dev)
 			       dev->name))
 		return 0;
 
-	printk(KERN_ERR "%s: can't get MMIO memory @ 0x%llx\n",
-		dev->name, (unsigned long long)pci_resource_start(dev->pci, 0));
+	pr_err("%s: can't get MMIO memory @ 0x%llx\n",
+	       dev->name, (unsigned long long)pci_resource_start(dev->pci, 0));
 
 	return -EBUSY;
 }
@@ -793,15 +794,15 @@ static void cx23885_dev_checkrevision(struct cx23885_dev *dev)
 		dev->hwrevision = 0xb1;
 		break;
 	default:
-		printk(KERN_ERR "%s() New hardware revision found 0x%x\n",
-			__func__, dev->hwrevision);
+		pr_err("%s() New hardware revision found 0x%x\n",
+		       __func__, dev->hwrevision);
 	}
 	if (dev->hwrevision)
-		printk(KERN_INFO "%s() Hardware revision = 0x%02x\n",
+		pr_info("%s() Hardware revision = 0x%02x\n",
 			__func__, dev->hwrevision);
 	else
-		printk(KERN_ERR "%s() Hardware revision unknown 0x%x\n",
-			__func__, dev->hwrevision);
+		pr_err("%s() Hardware revision unknown 0x%x\n",
+		       __func__, dev->hwrevision);
 }
 
 /* Find the first v4l2_subdev member of the group id in hw */
@@ -915,8 +916,7 @@ static int cx23885_dev_setup(struct cx23885_dev *dev)
 		cx23885_init_tsport(dev, &dev->ts2, 2);
 
 	if (get_resources(dev) < 0) {
-		printk(KERN_ERR "CORE %s No more PCIe resources for "
-		       "subsystem: %04x:%04x\n",
+		pr_err("CORE %s No more PCIe resources for subsystem: %04x:%04x\n",
 		       dev->name, dev->pci->subsystem_vendor,
 		       dev->pci->subsystem_device);
 
@@ -930,11 +930,11 @@ static int cx23885_dev_setup(struct cx23885_dev *dev)
 
 	dev->bmmio = (u8 __iomem *)dev->lmmio;
 
-	printk(KERN_INFO "CORE %s: subsystem: %04x:%04x, board: %s [card=%d,%s]\n",
-	       dev->name, dev->pci->subsystem_vendor,
-	       dev->pci->subsystem_device, cx23885_boards[dev->board].name,
-	       dev->board, card[dev->nr] == dev->board ?
-	       "insmod option" : "autodetected");
+	pr_info("CORE %s: subsystem: %04x:%04x, board: %s [card=%d,%s]\n",
+		dev->name, dev->pci->subsystem_vendor,
+		dev->pci->subsystem_device, cx23885_boards[dev->board].name,
+		dev->board, card[dev->nr] == dev->board ?
+		"insmod option" : "autodetected");
 
 	cx23885_pci_quirks(dev);
 
@@ -980,8 +980,8 @@ static int cx23885_dev_setup(struct cx23885_dev *dev)
 
 	if (cx23885_boards[dev->board].porta == CX23885_ANALOG_VIDEO) {
 		if (cx23885_video_register(dev) < 0) {
-			printk(KERN_ERR "%s() Failed to register analog "
-				"video adapters on VID_A\n", __func__);
+			pr_err("%s() Failed to register analog video adapters on VID_A\n",
+			       __func__);
 		}
 	}
 
@@ -990,14 +990,13 @@ static int cx23885_dev_setup(struct cx23885_dev *dev)
 			dev->ts1.num_frontends =
 				cx23885_boards[dev->board].num_fds_portb;
 		if (cx23885_dvb_register(&dev->ts1) < 0) {
-			printk(KERN_ERR "%s() Failed to register dvb adapters on VID_B\n",
+			pr_err("%s() Failed to register dvb adapters on VID_B\n",
 			       __func__);
 		}
 	} else
 	if (cx23885_boards[dev->board].portb == CX23885_MPEG_ENCODER) {
 		if (cx23885_417_register(dev) < 0) {
-			printk(KERN_ERR
-				"%s() Failed to register 417 on VID_B\n",
+			pr_err("%s() Failed to register 417 on VID_B\n",
 			       __func__);
 		}
 	}
@@ -1007,15 +1006,13 @@ static int cx23885_dev_setup(struct cx23885_dev *dev)
 			dev->ts2.num_frontends =
 				cx23885_boards[dev->board].num_fds_portc;
 		if (cx23885_dvb_register(&dev->ts2) < 0) {
-			printk(KERN_ERR
-				"%s() Failed to register dvb on VID_C\n",
+			pr_err("%s() Failed to register dvb on VID_C\n",
 			       __func__);
 		}
 	} else
 	if (cx23885_boards[dev->board].portc == CX23885_MPEG_ENCODER) {
 		if (cx23885_417_register(dev) < 0) {
-			printk(KERN_ERR
-				"%s() Failed to register 417 on VID_C\n",
+			pr_err("%s() Failed to register 417 on VID_C\n",
 			       __func__);
 		}
 	}
@@ -1344,7 +1341,7 @@ int cx23885_start_dma(struct cx23885_tsport *port,
 
 	if ((!(cx23885_boards[dev->board].portb & CX23885_MPEG_DVB)) &&
 		(!(cx23885_boards[dev->board].portc & CX23885_MPEG_DVB))) {
-		printk("%s() Unsupported .portb/c (0x%08x)/(0x%08x)\n",
+		pr_err("%s() Unsupported .portb/c (0x%08x)/(0x%08x)\n",
 			__func__,
 			cx23885_boards[dev->board].portb,
 			cx23885_boards[dev->board].portc);
@@ -1531,7 +1528,6 @@ void cx23885_buf_queue(struct cx23885_tsport *port, struct cx23885_buffer *buf)
 
 static void do_cancel_buffers(struct cx23885_tsport *port, char *reason)
 {
-	struct cx23885_dev *dev = port->dev;
 	struct cx23885_dmaqueue *q = &port->mpegq;
 	struct cx23885_buffer *buf;
 	unsigned long flags;
@@ -1551,8 +1547,6 @@ static void do_cancel_buffers(struct cx23885_tsport *port, char *reason)
 
 void cx23885_cancel_buffers(struct cx23885_tsport *port)
 {
-	struct cx23885_dev *dev = port->dev;
-
 	dprintk(1, "%s()\n", __func__);
 	cx23885_stop_dma(port);
 	do_cancel_buffers(port, "cancel");
@@ -1579,8 +1573,8 @@ int cx23885_irq_417(struct cx23885_dev *dev, u32 status)
 		(status & VID_B_MSK_VBI_SYNC)    ||
 		(status & VID_B_MSK_OF)          ||
 		(status & VID_B_MSK_VBI_OF)) {
-		printk(KERN_ERR "%s: V4L mpeg risc op code error, status "
-			"= 0x%x\n", dev->name, status);
+		pr_err("%s: V4L mpeg risc op code error, status = 0x%x\n",
+		       dev->name, status);
 		if (status & VID_B_MSK_BAD_PKT)
 			dprintk(1, "        VID_B_MSK_BAD_PKT\n");
 		if (status & VID_B_MSK_OPC_ERR)
@@ -1641,7 +1635,7 @@ static int cx23885_irq_ts(struct cx23885_tsport *port, u32 status)
 			dprintk(7, " (VID_BC_MSK_OF      0x%08x)\n",
 				VID_BC_MSK_OF);
 
-		printk(KERN_ERR "%s: mpeg risc op code error\n", dev->name);
+		pr_err("%s: mpeg risc op code error\n", dev->name);
 
 		cx_clear(port->reg_dma_ctl, port->dma_ctl_val);
 		cx23885_sram_channel_dump(dev,
@@ -1881,15 +1875,14 @@ void cx23885_gpio_set(struct cx23885_dev *dev, u32 mask)
 
 	if (mask & 0x0007fff8) {
 		if (encoder_on_portb(dev) || encoder_on_portc(dev))
-			printk(KERN_ERR
-				"%s: Setting GPIO on encoder ports\n",
+			pr_err("%s: Setting GPIO on encoder ports\n",
 				dev->name);
 		cx_set(MC417_RWD, (mask & 0x0007fff8) >> 3);
 	}
 
 	/* TODO: 23-19 */
 	if (mask & 0x00f80000)
-		printk(KERN_INFO "%s: Unsupported\n", dev->name);
+		pr_info("%s: Unsupported\n", dev->name);
 }
 
 void cx23885_gpio_clear(struct cx23885_dev *dev, u32 mask)
@@ -1899,15 +1892,14 @@ void cx23885_gpio_clear(struct cx23885_dev *dev, u32 mask)
 
 	if (mask & 0x0007fff8) {
 		if (encoder_on_portb(dev) || encoder_on_portc(dev))
-			printk(KERN_ERR
-				"%s: Clearing GPIO moving on encoder ports\n",
+			pr_err("%s: Clearing GPIO moving on encoder ports\n",
 				dev->name);
 		cx_clear(MC417_RWD, (mask & 0x7fff8) >> 3);
 	}
 
 	/* TODO: 23-19 */
 	if (mask & 0x00f80000)
-		printk(KERN_INFO "%s: Unsupported\n", dev->name);
+		pr_info("%s: Unsupported\n", dev->name);
 }
 
 u32 cx23885_gpio_get(struct cx23885_dev *dev, u32 mask)
@@ -1917,15 +1909,14 @@ u32 cx23885_gpio_get(struct cx23885_dev *dev, u32 mask)
 
 	if (mask & 0x0007fff8) {
 		if (encoder_on_portb(dev) || encoder_on_portc(dev))
-			printk(KERN_ERR
-				"%s: Reading GPIO moving on encoder ports\n",
+			pr_err("%s: Reading GPIO moving on encoder ports\n",
 				dev->name);
 		return (cx_read(MC417_RWD) & ((mask & 0x7fff8) >> 3)) << 3;
 	}
 
 	/* TODO: 23-19 */
 	if (mask & 0x00f80000)
-		printk(KERN_INFO "%s: Unsupported\n", dev->name);
+		pr_info("%s: Unsupported\n", dev->name);
 
 	return 0;
 }
@@ -1939,8 +1930,7 @@ void cx23885_gpio_enable(struct cx23885_dev *dev, u32 mask, int asoutput)
 
 	if (mask & 0x0007fff8) {
 		if (encoder_on_portb(dev) || encoder_on_portc(dev))
-			printk(KERN_ERR
-				"%s: Enabling GPIO on encoder ports\n",
+			pr_err("%s: Enabling GPIO on encoder ports\n",
 				dev->name);
 	}
 
@@ -1995,8 +1985,8 @@ static int cx23885_initdev(struct pci_dev *pci_dev,
 	/* print pci info */
 	dev->pci_rev = pci_dev->revision;
 	pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER,  &dev->pci_lat);
-	printk(KERN_INFO "%s/0: found at %s, rev: %d, irq: %d, "
-	       "latency: %d, mmio: 0x%llx\n", dev->name,
+	pr_info("%s/0: found at %s, rev: %d, irq: %d, latency: %d, mmio: 0x%llx\n",
+	       dev->name,
 	       pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
 	       dev->pci_lat,
 		(unsigned long long)pci_resource_start(pci_dev, 0));
@@ -2004,14 +1994,14 @@ static int cx23885_initdev(struct pci_dev *pci_dev,
 	pci_set_master(pci_dev);
 	err = pci_set_dma_mask(pci_dev, 0xffffffff);
 	if (err) {
-		printk("%s/0: Oops: no 32bit PCI DMA ???\n", dev->name);
+		pr_err("%s/0: Oops: no 32bit PCI DMA ???\n", dev->name);
 		goto fail_ctrl;
 	}
 
 	err = request_irq(pci_dev->irq, cx23885_irq,
 			  IRQF_SHARED, dev->name, dev);
 	if (err < 0) {
-		printk(KERN_ERR "%s: can't get IRQ %d\n",
+		pr_err("%s: can't get IRQ %d\n",
 		       dev->name, pci_dev->irq);
 		goto fail_irq;
 	}
@@ -2097,7 +2087,7 @@ static struct pci_driver cx23885_pci_driver = {
 
 static int __init cx23885_init(void)
 {
-	printk(KERN_INFO "cx23885 driver version %s loaded\n",
+	pr_info("cx23885 driver version %s loaded\n",
 		CX23885_VERSION);
 	return pci_register_driver(&cx23885_pci_driver);
 }
diff --git a/drivers/media/pci/cx23885/cx23885-dvb.c b/drivers/media/pci/cx23885/cx23885-dvb.c
index 818f3c2fc98d..589a168d1df4 100644
--- a/drivers/media/pci/cx23885/cx23885-dvb.c
+++ b/drivers/media/pci/cx23885/cx23885-dvb.c
@@ -15,6 +15,8 @@
  *  GNU General Public License for more details.
  */
 
+#include "cx23885.h"
+
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/device.h>
@@ -23,7 +25,6 @@
 #include <linux/file.h>
 #include <linux/suspend.h>
 
-#include "cx23885.h"
 #include <media/v4l2-common.h>
 
 #include "dvb_ca_en50221.h"
@@ -80,7 +81,8 @@ static unsigned int debug;
 
 #define dprintk(level, fmt, arg...)\
 	do { if (debug >= level)\
-		printk(KERN_DEBUG "%s/0: " fmt, dev->name, ## arg);\
+		printk(KERN_DEBUG pr_fmt("%s dvb: " fmt), \
+			__func__, ##arg); \
 	} while (0)
 
 /* ------------------------------------------------------------------ */
@@ -1101,7 +1103,7 @@ static int dvb_register_ci_mac(struct cx23885_tsport *port)
 		netup_get_card_info(&dev->i2c_bus[0].i2c_adap, &cinfo);
 		memcpy(port->frontends.adapter.proposed_mac,
 				cinfo.port[port->nr - 1].mac, 6);
-		printk(KERN_INFO "NetUP Dual DVB-S2 CI card port%d MAC=%pM\n",
+		pr_info("NetUP Dual DVB-S2 CI card port%d MAC=%pM\n",
 			port->nr, port->frontends.adapter.proposed_mac);
 
 		netup_ci_init(port);
@@ -1127,7 +1129,7 @@ static int dvb_register_ci_mac(struct cx23885_tsport *port)
 		/* Read entire EEPROM */
 		dev->i2c_bus[0].i2c_client.addr = 0xa0 >> 1;
 		tveeprom_read(&dev->i2c_bus[0].i2c_client, eeprom, sizeof(eeprom));
-		printk(KERN_INFO "TeVii S470 MAC= %pM\n", eeprom + 0xa0);
+		pr_info("TeVii S470 MAC= %pM\n", eeprom + 0xa0);
 		memcpy(port->frontends.adapter.proposed_mac, eeprom + 0xa0, 6);
 		return 0;
 		}
@@ -1144,7 +1146,7 @@ static int dvb_register_ci_mac(struct cx23885_tsport *port)
 		dev->i2c_bus[0].i2c_client.addr = 0xa0 >> 1;
 		tveeprom_read(&dev->i2c_bus[0].i2c_client, eeprom,
 				sizeof(eeprom));
-		printk(KERN_INFO "%s port %d MAC address: %pM\n",
+		pr_info("%s port %d MAC address: %pM\n",
 			cx23885_boards[dev->board].name, port->nr,
 			eeprom + 0xc0 + (port->nr-1) * 8);
 		memcpy(port->frontends.adapter.proposed_mac, eeprom + 0xc0 +
@@ -1185,7 +1187,7 @@ static int dvb_register_ci_mac(struct cx23885_tsport *port)
 		dev->i2c_bus[0].i2c_client.addr = 0xa0 >> 1;
 		tveeprom_read(&dev->i2c_bus[0].i2c_client, eeprom,
 				sizeof(eeprom));
-		printk(KERN_INFO "%s MAC address: %pM\n",
+		pr_info("%s MAC address: %pM\n",
 			cx23885_boards[dev->board].name, eeprom + 0xc0);
 		memcpy(port->frontends.adapter.proposed_mac, eeprom + 0xc0, 6);
 		return 0;
@@ -1464,7 +1466,7 @@ static int dvb_register(struct cx23885_tsport *port)
 			return -ENODEV;
 
 		if (dib7000p_ops.i2c_enumeration(&i2c_bus->i2c_adap, 1, 0x12, &dib7070p_dib7000p_config) < 0) {
-			printk(KERN_WARNING "Unable to enumerate dib7000p\n");
+			pr_warn("Unable to enumerate dib7000p\n");
 			return -ENODEV;
 		}
 		fe0->dvb.frontend = dib7000p_ops.init(&i2c_bus->i2c_adap, 0x80, &dib7070p_dib7000p_config);
@@ -1524,7 +1526,7 @@ static int dvb_register(struct cx23885_tsport *port)
 			fe = dvb_attach(xc4000_attach, fe0->dvb.frontend,
 					&dev->i2c_bus[1].i2c_adap, &cfg);
 			if (!fe) {
-				printk(KERN_ERR "%s/2: xc4000 attach failed\n",
+				pr_err("%s/2: xc4000 attach failed\n",
 				       dev->name);
 				goto frontend_detach;
 			}
@@ -1597,8 +1599,7 @@ static int dvb_register(struct cx23885_tsport *port)
 							&i2c_bus->i2c_adap,
 							LNBH24_PCL | LNBH24_TTX,
 							LNBH24_TEN, 0x09))
-						printk(KERN_ERR
-							"No LNBH24 found!\n");
+						pr_err("No LNBH24 found!\n");
 
 				}
 			}
@@ -1618,8 +1619,7 @@ static int dvb_register(struct cx23885_tsport *port)
 							&i2c_bus->i2c_adap,
 							LNBH24_PCL | LNBH24_TTX,
 							LNBH24_TEN, 0x0a))
-						printk(KERN_ERR
-							"No LNBH24 found!\n");
+						pr_err("No LNBH24 found!\n");
 
 				}
 			}
@@ -2482,14 +2482,13 @@ static int dvb_register(struct cx23885_tsport *port)
 		break;
 
 	default:
-		printk(KERN_INFO "%s: The frontend of your DVB/ATSC card "
-		       " isn't supported yet\n",
-		       dev->name);
+		pr_info("%s: The frontend of your DVB/ATSC card  isn't supported yet\n",
+			dev->name);
 		break;
 	}
 
 	if ((NULL == fe0->dvb.frontend) || (fe1 && NULL == fe1->dvb.frontend)) {
-		printk(KERN_ERR "%s: frontend initialization failed\n",
+		pr_err("%s: frontend initialization failed\n",
 		       dev->name);
 		goto frontend_detach;
 	}
@@ -2570,7 +2569,7 @@ int cx23885_dvb_register(struct cx23885_tsport *port)
 	 * are for safety, and should provide a good foundation for the
 	 * future addition of any multi-frontend cx23885 based boards.
 	 */
-	printk(KERN_INFO "%s() allocating %d frontend(s)\n", __func__,
+	pr_info("%s() allocating %d frontend(s)\n", __func__,
 		port->num_frontends);
 
 	for (i = 1; i <= port->num_frontends; i++) {
@@ -2578,7 +2577,7 @@ int cx23885_dvb_register(struct cx23885_tsport *port)
 
 		if (vb2_dvb_alloc_frontend(
 			&port->frontends, i) == NULL) {
-			printk(KERN_ERR "%s() failed to alloc\n", __func__);
+			pr_err("%s() failed to alloc\n", __func__);
 			return -ENOMEM;
 		}
 
@@ -2597,7 +2596,7 @@ int cx23885_dvb_register(struct cx23885_tsport *port)
 
 		/* dvb stuff */
 		/* We have to init the queue for each frontend on a port. */
-		printk(KERN_INFO "%s: cx23885 based dvb card\n", dev->name);
+		pr_info("%s: cx23885 based dvb card\n", dev->name);
 		q = &fe0->dvb.dvbq;
 		q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
 		q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF | VB2_READ;
@@ -2617,8 +2616,8 @@ int cx23885_dvb_register(struct cx23885_tsport *port)
 	}
 	err = dvb_register(port);
 	if (err != 0)
-		printk(KERN_ERR "%s() dvb_register failed err = %d\n",
-			__func__, err);
+		pr_err("%s() dvb_register failed err = %d\n",
+		       __func__, err);
 
 	return err;
 }
diff --git a/drivers/media/pci/cx23885/cx23885-f300.c b/drivers/media/pci/cx23885/cx23885-f300.c
index a6c45eb0a105..460cb8f314b2 100644
--- a/drivers/media/pci/cx23885/cx23885-f300.c
+++ b/drivers/media/pci/cx23885/cx23885-f300.c
@@ -122,7 +122,7 @@ static u8 f300_xfer(struct dvb_frontend *fe, u8 *buf)
 	}
 
 	if (i > 7) {
-		printk(KERN_ERR "%s: timeout, the slave no response\n",
+		pr_err("%s: timeout, the slave no response\n",
 								__func__);
 		ret = 1; /* timeout, the slave no response */
 	} else { /* the slave not busy, prepare for getting data */
diff --git a/drivers/media/pci/cx23885/cx23885-i2c.c b/drivers/media/pci/cx23885/cx23885-i2c.c
index 61591225be9a..8528032090f2 100644
--- a/drivers/media/pci/cx23885/cx23885-i2c.c
+++ b/drivers/media/pci/cx23885/cx23885-i2c.c
@@ -15,14 +15,14 @@
  *  GNU General Public License for more details.
  */
 
+#include "cx23885.h"
+
 #include <linux/module.h>
 #include <linux/moduleparam.h>
 #include <linux/init.h>
 #include <linux/delay.h>
 #include <asm/io.h>
 
-#include "cx23885.h"
-
 #include <media/v4l2-common.h>
 
 static unsigned int i2c_debug;
@@ -35,7 +35,8 @@ MODULE_PARM_DESC(i2c_scan, "scan i2c bus at insmod time");
 
 #define dprintk(level, fmt, arg...)\
 	do { if (i2c_debug >= level)\
-		printk(KERN_DEBUG "%s/0: " fmt, dev->name, ## arg);\
+		printk(KERN_DEBUG pr_fmt("%s: i2c:" fmt), \
+			__func__, ##arg); \
 	} while (0)
 
 #define I2C_WAIT_DELAY 32
@@ -119,9 +120,9 @@ static int i2c_sendbytes(struct i2c_adapter *i2c_adap,
 	if (!i2c_wait_done(i2c_adap))
 		goto eio;
 	if (i2c_debug) {
-		printk(" <W %02x %02x", msg->addr << 1, msg->buf[0]);
+		printk(KERN_DEBUG " <W %02x %02x", msg->addr << 1, msg->buf[0]);
 		if (!(ctrl & I2C_NOSTOP))
-			printk(" >\n");
+			pr_cont(" >\n");
 	}
 
 	for (cnt = 1; cnt < msg->len; cnt++) {
@@ -141,9 +142,9 @@ static int i2c_sendbytes(struct i2c_adapter *i2c_adap,
 		if (!i2c_wait_done(i2c_adap))
 			goto eio;
 		if (i2c_debug) {
-			dprintk(1, " %02x", msg->buf[cnt]);
+			pr_cont(" %02x", msg->buf[cnt]);
 			if (!(ctrl & I2C_NOSTOP))
-				dprintk(1, " >\n");
+				pr_cont(" >\n");
 		}
 	}
 	return msg->len;
@@ -151,7 +152,7 @@ static int i2c_sendbytes(struct i2c_adapter *i2c_adap,
  eio:
 	retval = -EIO;
 	if (i2c_debug)
-		printk(KERN_ERR " ERR: %d\n", retval);
+		pr_err(" ERR: %d\n", retval);
 	return retval;
 }
 
@@ -212,15 +213,13 @@ static int i2c_readbytes(struct i2c_adapter *i2c_adap,
  eio:
 	retval = -EIO;
 	if (i2c_debug)
-		printk(KERN_ERR " ERR: %d\n", retval);
+		pr_err(" ERR: %d\n", retval);
 	return retval;
 }
 
 static int i2c_xfer(struct i2c_adapter *i2c_adap,
 		    struct i2c_msg *msgs, int num)
 {
-	struct cx23885_i2c *bus = i2c_adap->algo_data;
-	struct cx23885_dev *dev = bus->dev;
 	int i, retval = 0;
 
 	dprintk(1, "%s(num = %d)\n", __func__, num);
@@ -302,7 +301,7 @@ static void do_i2c_scan(char *name, struct i2c_client *c)
 		rc = i2c_master_recv(c, &buf, 0);
 		if (rc < 0)
 			continue;
-		printk(KERN_INFO "%s: i2c scan: found device @ 0x%04x  [%s]\n",
+		pr_info("%s: i2c scan: found device @ 0x%04x  [%s]\n",
 		       name, i, i2c_devs[i] ? i2c_devs[i] : "???");
 	}
 }
@@ -330,12 +329,12 @@ int cx23885_i2c_register(struct cx23885_i2c *bus)
 	if (0 == bus->i2c_rc) {
 		dprintk(1, "%s: i2c bus %d registered\n", dev->name, bus->nr);
 		if (i2c_scan) {
-			printk(KERN_INFO "%s: scan bus %d:\n",
+			pr_info("%s: scan bus %d:\n",
 					dev->name, bus->nr);
 			do_i2c_scan(dev->name, &bus->i2c_client);
 		}
 	} else
-		printk(KERN_WARNING "%s: i2c bus %d register FAILED\n",
+		pr_warn("%s: i2c bus %d register FAILED\n",
 			dev->name, bus->nr);
 
 	/* Instantiate the IR receiver device, if present */
diff --git a/drivers/media/pci/cx23885/cx23885-input.c b/drivers/media/pci/cx23885/cx23885-input.c
index 410c3141c163..1f092febdbd1 100644
--- a/drivers/media/pci/cx23885/cx23885-input.c
+++ b/drivers/media/pci/cx23885/cx23885-input.c
@@ -30,13 +30,13 @@
  *  GNU General Public License for more details.
  */
 
+#include "cx23885.h"
+#include "cx23885-input.h"
+
 #include <linux/slab.h>
 #include <media/rc-core.h>
 #include <media/v4l2-subdev.h>
 
-#include "cx23885.h"
-#include "cx23885-input.h"
-
 #define MODULE_NAME "cx23885"
 
 static void cx23885_input_process_measurements(struct cx23885_dev *dev,
diff --git a/drivers/media/pci/cx23885/cx23885-ir.c b/drivers/media/pci/cx23885/cx23885-ir.c
index 89dc4cc3e1ce..2cd5ac41ab75 100644
--- a/drivers/media/pci/cx23885/cx23885-ir.c
+++ b/drivers/media/pci/cx23885/cx23885-ir.c
@@ -16,12 +16,12 @@
  *  GNU General Public License for more details.
  */
 
-#include <media/v4l2-device.h>
-
 #include "cx23885.h"
 #include "cx23885-ir.h"
 #include "cx23885-input.h"
 
+#include <media/v4l2-device.h>
+
 #define CX23885_IR_RX_FIFO_SERVICE_REQ		0
 #define CX23885_IR_RX_END_OF_RX_DETECTED	1
 #define CX23885_IR_RX_HW_FIFO_OVERRUN		2
diff --git a/drivers/media/pci/cx23885/cx23885-vbi.c b/drivers/media/pci/cx23885/cx23885-vbi.c
index 75e7fa7b1121..369e545cac04 100644
--- a/drivers/media/pci/cx23885/cx23885-vbi.c
+++ b/drivers/media/pci/cx23885/cx23885-vbi.c
@@ -15,13 +15,13 @@
  *  GNU General Public License for more details.
  */
 
+#include "cx23885.h"
+
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/moduleparam.h>
 #include <linux/init.h>
 
-#include "cx23885.h"
-
 static unsigned int vbibufs = 4;
 module_param(vbibufs, int, 0644);
 MODULE_PARM_DESC(vbibufs, "number of vbi buffers, range 2-32");
@@ -32,7 +32,8 @@ MODULE_PARM_DESC(vbi_debug, "enable debug messages [vbi]");
 
 #define dprintk(level, fmt, arg...)\
 	do { if (vbi_debug >= level)\
-		printk(KERN_DEBUG "%s/0: " fmt, dev->name, ## arg);\
+		printk(KERN_DEBUG pr_fmt("%s: vbi:" fmt), \
+			__func__, ##arg); \
 	} while (0)
 
 /* ------------------------------------------------------------------ */
diff --git a/drivers/media/pci/cx23885/cx23885-video.c b/drivers/media/pci/cx23885/cx23885-video.c
index 33d168ef278d..ecc580af0148 100644
--- a/drivers/media/pci/cx23885/cx23885-video.c
+++ b/drivers/media/pci/cx23885/cx23885-video.c
@@ -15,6 +15,9 @@
  *  GNU General Public License for more details.
  */
 
+#include "cx23885.h"
+#include "cx23885-video.h"
+
 #include <linux/init.h>
 #include <linux/list.h>
 #include <linux/module.h>
@@ -27,8 +30,6 @@
 #include <linux/kthread.h>
 #include <asm/div64.h>
 
-#include "cx23885.h"
-#include "cx23885-video.h"
 #include <media/v4l2-common.h>
 #include <media/v4l2-ioctl.h>
 #include <media/v4l2-event.h>
@@ -66,7 +67,8 @@ MODULE_PARM_DESC(vid_limit, "capture memory limit in megabytes");
 
 #define dprintk(level, fmt, arg...)\
 	do { if (video_debug >= level)\
-		printk(KERN_DEBUG "%s: " fmt, dev->name, ## arg);\
+		printk(KERN_DEBUG pr_fmt("%s: video:" fmt), \
+			__func__, ##arg); \
 	} while (0)
 
 /* ------------------------------------------------------------------- */
@@ -194,7 +196,7 @@ u8 cx23885_flatiron_read(struct cx23885_dev *dev, u8 reg)
 
 	ret = i2c_transfer(&dev->i2c_bus[2].i2c_adap, &msg[0], 2);
 	if (ret != 2)
-		printk(KERN_ERR "%s() error\n", __func__);
+		pr_err("%s() error\n", __func__);
 
 	return b1[0];
 }
@@ -811,7 +813,6 @@ static int vidioc_log_status(struct file *file, void *priv)
 static int cx23885_query_audinput(struct file *file, void *priv,
 	struct v4l2_audio *i)
 {
-	struct cx23885_dev *dev = video_drvdata(file);
 	static const char *iname[] = {
 		[0] = "Baseband L/R 1",
 		[1] = "Baseband L/R 2",
@@ -1000,7 +1001,7 @@ static int cx23885_set_freq_via_ops(struct cx23885_dev *dev,
 		fe->ops.tuner_ops.set_analog_params(fe, &params);
 	}
 	else
-		printk(KERN_ERR "%s() No analog tuner, aborting\n", __func__);
+		pr_err("%s() No analog tuner, aborting\n", __func__);
 
 	/* When changing channels it is required to reset TVAUDIO */
 	msleep(100);
@@ -1058,15 +1059,14 @@ int cx23885_video_irq(struct cx23885_dev *dev, u32 status)
 		if (status & VID_BC_MSK_OPC_ERR) {
 			dprintk(7, " (VID_BC_MSK_OPC_ERR 0x%08x)\n",
 				VID_BC_MSK_OPC_ERR);
-			printk(KERN_WARNING "%s: video risc op code error\n",
+			pr_warn("%s: video risc op code error\n",
 				dev->name);
 			cx23885_sram_channel_dump(dev,
 				&dev->sram_channels[SRAM_CH01]);
 		}
 
 		if (status & VID_BC_MSK_SYNC)
-			dprintk(7, " (VID_BC_MSK_SYNC 0x%08x) "
-				"video lines miss-match\n",
+			dprintk(7, " (VID_BC_MSK_SYNC 0x%08x) video lines miss-match\n",
 				VID_BC_MSK_SYNC);
 
 		if (status & VID_BC_MSK_OF)
@@ -1297,11 +1297,11 @@ int cx23885_video_register(struct cx23885_dev *dev)
 	err = video_register_device(dev->video_dev, VFL_TYPE_GRABBER,
 				    video_nr[dev->nr]);
 	if (err < 0) {
-		printk(KERN_INFO "%s: can't register video device\n",
+		pr_info("%s: can't register video device\n",
 			dev->name);
 		goto fail_unreg;
 	}
-	printk(KERN_INFO "%s: registered device %s [v4l2]\n",
+	pr_info("%s: registered device %s [v4l2]\n",
 	       dev->name, video_device_node_name(dev->video_dev));
 
 	/* register VBI device */
@@ -1311,11 +1311,11 @@ int cx23885_video_register(struct cx23885_dev *dev)
 	err = video_register_device(dev->vbi_dev, VFL_TYPE_VBI,
 				    vbi_nr[dev->nr]);
 	if (err < 0) {
-		printk(KERN_INFO "%s: can't register vbi device\n",
+		pr_info("%s: can't register vbi device\n",
 			dev->name);
 		goto fail_unreg;
 	}
-	printk(KERN_INFO "%s: registered device %s\n",
+	pr_info("%s: registered device %s\n",
 	       dev->name, video_device_node_name(dev->vbi_dev));
 
 	/* Register ALSA audio device */
diff --git a/drivers/media/pci/cx23885/cx23885.h b/drivers/media/pci/cx23885/cx23885.h
index a6735afe2269..cb714ab60d69 100644
--- a/drivers/media/pci/cx23885/cx23885.h
+++ b/drivers/media/pci/cx23885/cx23885.h
@@ -15,6 +15,8 @@
  *  GNU General Public License for more details.
  */
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/pci.h>
 #include <linux/i2c.h>
 #include <linux/kdev_t.h>
diff --git a/drivers/media/pci/cx23885/cx23888-ir.c b/drivers/media/pci/cx23885/cx23888-ir.c
index c1aa888af705..040323b0f945 100644
--- a/drivers/media/pci/cx23885/cx23888-ir.c
+++ b/drivers/media/pci/cx23885/cx23888-ir.c
@@ -16,15 +16,15 @@
  *  GNU General Public License for more details.
  */
 
+#include "cx23885.h"
+#include "cx23888-ir.h"
+
 #include <linux/kfifo.h>
 #include <linux/slab.h>
 
 #include <media/v4l2-device.h>
 #include <media/rc-core.h>
 
-#include "cx23885.h"
-#include "cx23888-ir.h"
-
 static unsigned int ir_888_debug;
 module_param(ir_888_debug, int, 0644);
 MODULE_PARM_DESC(ir_888_debug, "enable debug messages [CX23888 IR controller]");
@@ -1015,8 +1015,8 @@ static int cx23888_ir_log_status(struct v4l2_subdev *sd)
 			j = 0;
 			break;
 		}
-		v4l2_info(sd, "\tNext carrier edge window:          16 clocks "
-			  "-%1d/+%1d, %u to %u Hz\n", i, j,
+		v4l2_info(sd, "\tNext carrier edge window:	    16 clocks -%1d/+%1d, %u to %u Hz\n",
+			  i, j,
 			  clock_divider_to_freq(rxclk, 16 + j),
 			  clock_divider_to_freq(rxclk, 16 - i));
 	}
@@ -1026,8 +1026,7 @@ static int cx23888_ir_log_status(struct v4l2_subdev *sd)
 	v4l2_info(sd, "\tLow pass filter:                   %s\n",
 		  filtr ? "enabled" : "disabled");
 	if (filtr)
-		v4l2_info(sd, "\tMin acceptable pulse width (LPF):  %u us, "
-			  "%u ns\n",
+		v4l2_info(sd, "\tMin acceptable pulse width (LPF):  %u us, %u ns\n",
 			  lpf_count_to_us(filtr),
 			  lpf_count_to_ns(filtr));
 	v4l2_info(sd, "\tPulse width timer timed-out:       %s\n",
diff --git a/drivers/media/pci/cx23885/netup-eeprom.c b/drivers/media/pci/cx23885/netup-eeprom.c
index b6542ee4385b..6384c12aa38e 100644
--- a/drivers/media/pci/cx23885/netup-eeprom.c
+++ b/drivers/media/pci/cx23885/netup-eeprom.c
@@ -52,7 +52,7 @@ int netup_eeprom_read(struct i2c_adapter *i2c_adap, u8 addr)
 	ret = i2c_transfer(i2c_adap, msg, 2);
 
 	if (ret != 2) {
-		printk(KERN_ERR "eeprom i2c read error, status=%d\n", ret);
+		pr_err("eeprom i2c read error, status=%d\n", ret);
 		return -1;
 	}
 
@@ -80,7 +80,7 @@ int netup_eeprom_write(struct i2c_adapter *i2c_adap, u8 addr, u8 data)
 	ret = i2c_transfer(i2c_adap, msg, 1);
 
 	if (ret != 1) {
-		printk(KERN_ERR "eeprom i2c write error, status=%d\n", ret);
+		pr_err("eeprom i2c write error, status=%d\n", ret);
 		return -1;
 	}
 
diff --git a/drivers/media/pci/cx23885/netup-init.c b/drivers/media/pci/cx23885/netup-init.c
index 76d9487aafc8..6a27ef5d9ec2 100644
--- a/drivers/media/pci/cx23885/netup-init.c
+++ b/drivers/media/pci/cx23885/netup-init.c
@@ -40,7 +40,7 @@ static void i2c_av_write(struct i2c_adapter *i2c, u16 reg, u8 val)
 	ret = i2c_transfer(i2c, &msg, 1);
 
 	if (ret != 1)
-		printk(KERN_ERR "%s: i2c write error!\n", __func__);
+		pr_err("%s: i2c write error!\n", __func__);
 }
 
 static void i2c_av_write4(struct i2c_adapter *i2c, u16 reg, u32 val)
@@ -64,7 +64,7 @@ static void i2c_av_write4(struct i2c_adapter *i2c, u16 reg, u32 val)
 	ret = i2c_transfer(i2c, &msg, 1);
 
 	if (ret != 1)
-		printk(KERN_ERR "%s: i2c write error!\n", __func__);
+		pr_err("%s: i2c write error!\n", __func__);
 }
 
 static u8 i2c_av_read(struct i2c_adapter *i2c, u16 reg)
@@ -84,7 +84,7 @@ static u8 i2c_av_read(struct i2c_adapter *i2c, u16 reg)
 	ret = i2c_transfer(i2c, &msg, 1);
 
 	if (ret != 1)
-		printk(KERN_ERR "%s: i2c write error!\n", __func__);
+		pr_err("%s: i2c write error!\n", __func__);
 
 	msg.flags = I2C_M_RD;
 	msg.len = 1;
@@ -92,7 +92,7 @@ static u8 i2c_av_read(struct i2c_adapter *i2c, u16 reg)
 	ret = i2c_transfer(i2c, &msg, 1);
 
 	if (ret != 1)
-		printk(KERN_ERR "%s: i2c read error!\n", __func__);
+		pr_err("%s: i2c read error!\n", __func__);
 
 	return buf[0];
 }
diff --git a/drivers/media/pci/cx88/cx88-alsa.c b/drivers/media/pci/cx88/cx88-alsa.c
index 723f06462104..c81fe4681d14 100644
--- a/drivers/media/pci/cx88/cx88-alsa.c
+++ b/drivers/media/pci/cx88/cx88-alsa.c
@@ -1,5 +1,4 @@
 /*
- *
  *  Support for audio capture
  *  PCI function #1 of the cx2388x.
  *
@@ -18,14 +17,14 @@
  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with this program; if not, write to the Free Software
- *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
 
+#include "cx88.h"
+#include "cx88-reg.h"
+
 #include <linux/module.h>
 #include <linux/init.h>
+#include <linux/delay.h>
 #include <linux/device.h>
 #include <linux/interrupt.h>
 #include <linux/vmalloc.h>
@@ -33,7 +32,6 @@
 #include <linux/pci.h>
 #include <linux/slab.h>
 
-#include <asm/delay.h>
 #include <sound/core.h>
 #include <sound/pcm.h>
 #include <sound/pcm_params.h>
@@ -42,22 +40,15 @@
 #include <sound/tlv.h>
 #include <media/i2c/wm8775.h>
 
-#include "cx88.h"
-#include "cx88-reg.h"
-
 #define dprintk(level, fmt, arg...) do {				\
 	if (debug + 1 > level)						\
-		printk(KERN_INFO "%s/1: " fmt, chip->core->name , ## arg);\
-} while(0)
-
-#define dprintk_core(level, fmt, arg...) do {				\
-	if (debug + 1 > level)						\
-		printk(KERN_DEBUG "%s/1: " fmt, chip->core->name , ## arg);\
-} while(0)
+		printk(KERN_DEBUG pr_fmt("%s: alsa: " fmt),		\
+			chip->core->name, ##arg);			\
+} while (0)
 
-/****************************************************************************
-	Data type declarations - Can be moded to a header file later
- ****************************************************************************/
+/*
+ * Data type declarations - Can be moded to a header file later
+ */
 
 struct cx88_audio_buffer {
 	unsigned int               bpl;
@@ -91,13 +82,10 @@ struct cx88_audio_dev {
 
 	struct snd_pcm_substream   *substream;
 };
-typedef struct cx88_audio_dev snd_cx88_card_t;
 
-
-
-/****************************************************************************
-			Module global static vars
- ****************************************************************************/
+/*
+ * Module global static vars
+ */
 
 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;	/* Index 0-MAX */
 static const char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;	/* ID for this card */
@@ -109,10 +97,9 @@ MODULE_PARM_DESC(enable, "Enable cx88x soundcard. default enabled.");
 module_param_array(index, int, NULL, 0444);
 MODULE_PARM_DESC(index, "Index value for cx88x capture interface(s).");
 
-
-/****************************************************************************
-				Module macros
- ****************************************************************************/
+/*
+ * Module macros
+ */
 
 MODULE_DESCRIPTION("ALSA driver module for cx2388x based TV cards");
 MODULE_AUTHOR("Ricardo Cerqueira");
@@ -120,25 +107,23 @@ MODULE_AUTHOR("Mauro Carvalho Chehab <mchehab@infradead.org>");
 MODULE_LICENSE("GPL");
 MODULE_VERSION(CX88_VERSION);
 
-MODULE_SUPPORTED_DEVICE("{{Conexant,23881},"
-			"{{Conexant,23882},"
-			"{{Conexant,23883}");
+MODULE_SUPPORTED_DEVICE("{{Conexant,23881},{{Conexant,23882},{{Conexant,23883}");
 static unsigned int debug;
-module_param(debug,int,0644);
-MODULE_PARM_DESC(debug,"enable debug messages");
+module_param(debug, int, 0644);
+MODULE_PARM_DESC(debug, "enable debug messages");
 
-/****************************************************************************
-			Module specific funtions
- ****************************************************************************/
+/*
+ * Module specific functions
+ */
 
 /*
  * BOARD Specific: Sets audio DMA
  */
 
-static int _cx88_start_audio_dma(snd_cx88_card_t *chip)
+static int _cx88_start_audio_dma(struct cx88_audio_dev *chip)
 {
 	struct cx88_audio_buffer *buf = chip->buf;
-	struct cx88_core *core=chip->core;
+	struct cx88_core *core = chip->core;
 	const struct sram_channel *audio_ch = &cx88_sram_channels[SRAM_CH25];
 
 	/* Make sure RISC/FIFO are off before changing FIFO/RISC settings */
@@ -154,8 +139,9 @@ static int _cx88_start_audio_dma(snd_cx88_card_t *chip)
 	cx_write(MO_AUDD_GPCNTRL, GP_COUNT_CONTROL_RESET);
 	atomic_set(&chip->count, 0);
 
-	dprintk(1, "Start audio DMA, %d B/line, %d lines/FIFO, %d periods, %d "
-		"byte buffer\n", buf->bpl, cx_read(audio_ch->cmds_start + 8)>>1,
+	dprintk(1,
+		"Start audio DMA, %d B/line, %d lines/FIFO, %d periods, %d byte buffer\n",
+		buf->bpl, cx_read(audio_ch->cmds_start + 8) >> 1,
 		chip->num_periods, buf->bpl * chip->num_periods);
 
 	/* Enables corresponding bits at AUD_INT_STAT */
@@ -169,8 +155,11 @@ static int _cx88_start_audio_dma(snd_cx88_card_t *chip)
 	cx_set(MO_PCI_INTMSK, chip->core->pci_irqmask | PCI_INT_AUDINT);
 
 	/* start dma */
-	cx_set(MO_DEV_CNTRL2, (1<<5)); /* Enables Risc Processor */
-	cx_set(MO_AUD_DMACNTRL, 0x11); /* audio downstream FIFO and RISC enable */
+
+	/* Enables Risc Processor */
+	cx_set(MO_DEV_CNTRL2, (1 << 5));
+	/* audio downstream FIFO and RISC enable */
+	cx_set(MO_AUD_DMACNTRL, 0x11);
 
 	if (debug)
 		cx88_sram_channel_dump(chip->core, audio_ch);
@@ -181,9 +170,10 @@ static int _cx88_start_audio_dma(snd_cx88_card_t *chip)
 /*
  * BOARD Specific: Resets audio DMA
  */
-static int _cx88_stop_audio_dma(snd_cx88_card_t *chip)
+static int _cx88_stop_audio_dma(struct cx88_audio_dev *chip)
 {
-	struct cx88_core *core=chip->core;
+	struct cx88_core *core = chip->core;
+
 	dprintk(1, "Stopping audio DMA\n");
 
 	/* stop dma */
@@ -195,7 +185,8 @@ static int _cx88_stop_audio_dma(snd_cx88_card_t *chip)
 				AUD_INT_DN_RISCI2 | AUD_INT_DN_RISCI1);
 
 	if (debug)
-		cx88_sram_channel_dump(chip->core, &cx88_sram_channels[SRAM_CH25]);
+		cx88_sram_channel_dump(chip->core,
+				       &cx88_sram_channels[SRAM_CH25]);
 
 	return 0;
 }
@@ -221,7 +212,7 @@ static const char *cx88_aud_irqs[32] = {
 /*
  * BOARD Specific: Threats IRQ audio specific calls
  */
-static void cx8801_aud_irq(snd_cx88_card_t *chip)
+static void cx8801_aud_irq(struct cx88_audio_dev *chip)
 {
 	struct cx88_core *core = chip->core;
 	u32 status, mask;
@@ -232,12 +223,12 @@ static void cx8801_aud_irq(snd_cx88_card_t *chip)
 		return;
 	cx_write(MO_AUD_INTSTAT, status);
 	if (debug > 1  ||  (status & mask & ~0xff))
-		cx88_print_irqbits(core->name, "irq aud",
+		cx88_print_irqbits("irq aud",
 				   cx88_aud_irqs, ARRAY_SIZE(cx88_aud_irqs),
 				   status, mask);
 	/* risc op code error */
 	if (status & AUD_INT_OPC_ERR) {
-		printk(KERN_WARNING "%s/1: Audio risc op code error\n",core->name);
+		pr_warn("Audio risc op code error\n");
 		cx_clear(MO_AUD_DMACNTRL, 0x11);
 		cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH25]);
 	}
@@ -259,7 +250,7 @@ static void cx8801_aud_irq(snd_cx88_card_t *chip)
  */
 static irqreturn_t cx8801_irq(int irq, void *dev_id)
 {
-	snd_cx88_card_t *chip = dev_id;
+	struct cx88_audio_dev *chip = dev_id;
 	struct cx88_core *core = chip->core;
 	u32 status;
 	int loop, handled = 0;
@@ -267,7 +258,7 @@ static irqreturn_t cx8801_irq(int irq, void *dev_id)
 	for (loop = 0; loop < MAX_IRQ_LOOP; loop++) {
 		status = cx_read(MO_PCI_INTSTAT) &
 			(core->pci_irqmask | PCI_INT_AUDINT);
-		if (0 == status)
+		if (status == 0)
 			goto out;
 		dprintk(3, "cx8801_irq loop %d/%d, status %x\n",
 			loop, MAX_IRQ_LOOP, status);
@@ -280,10 +271,8 @@ static irqreturn_t cx8801_irq(int irq, void *dev_id)
 			cx8801_aud_irq(chip);
 	}
 
-	if (MAX_IRQ_LOOP == loop) {
-		printk(KERN_ERR
-		       "%s/1: IRQ loop detected, disabling interrupts\n",
-		       core->name);
+	if (loop == MAX_IRQ_LOOP) {
+		pr_err("IRQ loop detected, disabling interrupts\n");
 		cx_clear(MO_PCI_INTMSK, PCI_INT_AUDINT);
 	}
 
@@ -298,26 +287,25 @@ static int cx88_alsa_dma_init(struct cx88_audio_dev *chip, int nr_pages)
 	int i;
 
 	buf->vaddr = vmalloc_32(nr_pages << PAGE_SHIFT);
-	if (NULL == buf->vaddr) {
+	if (!buf->vaddr) {
 		dprintk(1, "vmalloc_32(%d pages) failed\n", nr_pages);
 		return -ENOMEM;
 	}
 
 	dprintk(1, "vmalloc is at addr 0x%08lx, size=%d\n",
-				(unsigned long)buf->vaddr,
-				nr_pages << PAGE_SHIFT);
+		(unsigned long)buf->vaddr, nr_pages << PAGE_SHIFT);
 
 	memset(buf->vaddr, 0, nr_pages << PAGE_SHIFT);
 	buf->nr_pages = nr_pages;
 
 	buf->sglist = vzalloc(buf->nr_pages * sizeof(*buf->sglist));
-	if (NULL == buf->sglist)
+	if (!buf->sglist)
 		goto vzalloc_err;
 
 	sg_init_table(buf->sglist, buf->nr_pages);
 	for (i = 0; i < buf->nr_pages; i++) {
 		pg = vmalloc_to_page(buf->vaddr + i * PAGE_SIZE);
-		if (NULL == pg)
+		if (!pg)
 			goto vmalloc_to_page_err;
 		sg_set_page(&buf->sglist[i], pg, PAGE_SIZE, 0);
 	}
@@ -339,7 +327,7 @@ static int cx88_alsa_dma_map(struct cx88_audio_dev *dev)
 	buf->sglen = dma_map_sg(&dev->pci->dev, buf->sglist,
 			buf->nr_pages, PCI_DMA_FROMDEVICE);
 
-	if (0 == buf->sglen) {
+	if (buf->sglen == 0) {
 		pr_warn("%s: cx88_alsa_map_sg failed\n", __func__);
 		return -ENOMEM;
 	}
@@ -353,7 +341,8 @@ static int cx88_alsa_dma_unmap(struct cx88_audio_dev *dev)
 	if (!buf->sglen)
 		return 0;
 
-	dma_unmap_sg(&dev->pci->dev, buf->sglist, buf->sglen, PCI_DMA_FROMDEVICE);
+	dma_unmap_sg(&dev->pci->dev, buf->sglist, buf->sglen,
+		     PCI_DMA_FROMDEVICE);
 	buf->sglen = 0;
 	return 0;
 }
@@ -367,18 +356,18 @@ static int cx88_alsa_dma_free(struct cx88_audio_buffer *buf)
 	return 0;
 }
 
-
-static int dsp_buffer_free(snd_cx88_card_t *chip)
+static int dsp_buffer_free(struct cx88_audio_dev *chip)
 {
 	struct cx88_riscmem *risc = &chip->buf->risc;
 
-	BUG_ON(!chip->dma_size);
+	WARN_ON(!chip->dma_size);
 
-	dprintk(2,"Freeing buffer\n");
+	dprintk(2, "Freeing buffer\n");
 	cx88_alsa_dma_unmap(chip);
 	cx88_alsa_dma_free(chip->buf);
 	if (risc->cpu)
-		pci_free_consistent(chip->pci, risc->size, risc->cpu, risc->dma);
+		pci_free_consistent(chip->pci, risc->size,
+				    risc->cpu, risc->dma);
 	kfree(chip->buf);
 
 	chip->buf = NULL;
@@ -386,9 +375,9 @@ static int dsp_buffer_free(snd_cx88_card_t *chip)
 	return 0;
 }
 
-/****************************************************************************
-				ALSA PCM Interface
- ****************************************************************************/
+/*
+ * ALSA PCM Interface
+ */
 
 /*
  * Digital hardware definition
@@ -406,13 +395,15 @@ static const struct snd_pcm_hardware snd_cx88_digital_hw = {
 	.rate_max =		48000,
 	.channels_min = 2,
 	.channels_max = 2,
-	/* Analog audio output will be full of clicks and pops if there
-	   are not exactly four lines in the SRAM FIFO buffer.  */
-	.period_bytes_min = DEFAULT_FIFO_SIZE/4,
-	.period_bytes_max = DEFAULT_FIFO_SIZE/4,
+	/*
+	 * Analog audio output will be full of clicks and pops if there
+	 * are not exactly four lines in the SRAM FIFO buffer.
+	 */
+	.period_bytes_min = DEFAULT_FIFO_SIZE / 4,
+	.period_bytes_max = DEFAULT_FIFO_SIZE / 4,
 	.periods_min = 1,
 	.periods_max = 1024,
-	.buffer_bytes_max = (1024*1024),
+	.buffer_bytes_max = (1024 * 1024),
 };
 
 /*
@@ -420,17 +411,17 @@ static const struct snd_pcm_hardware snd_cx88_digital_hw = {
  */
 static int snd_cx88_pcm_open(struct snd_pcm_substream *substream)
 {
-	snd_cx88_card_t *chip = snd_pcm_substream_chip(substream);
+	struct cx88_audio_dev *chip = snd_pcm_substream_chip(substream);
 	struct snd_pcm_runtime *runtime = substream->runtime;
 	int err;
 
 	if (!chip) {
-		printk(KERN_ERR "BUG: cx88 can't find device struct."
-				" Can't proceed with open\n");
+		pr_err("BUG: cx88 can't find device struct. Can't proceed with open\n");
 		return -ENODEV;
 	}
 
-	err = snd_pcm_hw_constraint_pow2(runtime, 0, SNDRV_PCM_HW_PARAM_PERIODS);
+	err = snd_pcm_hw_constraint_pow2(runtime, 0,
+					 SNDRV_PCM_HW_PARAM_PERIODS);
 	if (err < 0)
 		goto _error;
 
@@ -440,6 +431,7 @@ static int snd_cx88_pcm_open(struct snd_pcm_substream *substream)
 
 	if (cx88_sram_channels[SRAM_CH25].fifo_size != DEFAULT_FIFO_SIZE) {
 		unsigned int bpl = cx88_sram_channels[SRAM_CH25].fifo_size / 4;
+
 		bpl &= ~7; /* must be multiple of 8 */
 		runtime->hw.period_bytes_min = bpl;
 		runtime->hw.period_bytes_max = bpl;
@@ -447,7 +439,7 @@ static int snd_cx88_pcm_open(struct snd_pcm_substream *substream)
 
 	return 0;
 _error:
-	dprintk(1,"Error opening PCM!\n");
+	dprintk(1, "Error opening PCM!\n");
 	return err;
 }
 
@@ -462,10 +454,10 @@ static int snd_cx88_close(struct snd_pcm_substream *substream)
 /*
  * hw_params callback
  */
-static int snd_cx88_hw_params(struct snd_pcm_substream * substream,
-			      struct snd_pcm_hw_params * hw_params)
+static int snd_cx88_hw_params(struct snd_pcm_substream *substream,
+			      struct snd_pcm_hw_params *hw_params)
 {
-	snd_cx88_card_t *chip = snd_pcm_substream_chip(substream);
+	struct cx88_audio_dev *chip = snd_pcm_substream_chip(substream);
 
 	struct cx88_audio_buffer *buf;
 	int ret;
@@ -479,18 +471,18 @@ static int snd_cx88_hw_params(struct snd_pcm_substream * substream,
 	chip->num_periods = params_periods(hw_params);
 	chip->dma_size = chip->period_size * params_periods(hw_params);
 
-	BUG_ON(!chip->dma_size);
-	BUG_ON(chip->num_periods & (chip->num_periods-1));
+	WARN_ON(!chip->dma_size);
+	WARN_ON(chip->num_periods & (chip->num_periods - 1));
 
 	buf = kzalloc(sizeof(*buf), GFP_KERNEL);
-	if (NULL == buf)
+	if (!buf)
 		return -ENOMEM;
 
 	chip->buf = buf;
 	buf->bpl = chip->period_size;
 
 	ret = cx88_alsa_dma_init(chip,
-			(PAGE_ALIGN(chip->dma_size) >> PAGE_SHIFT));
+				 (PAGE_ALIGN(chip->dma_size) >> PAGE_SHIFT));
 	if (ret < 0)
 		goto error;
 
@@ -504,7 +496,7 @@ static int snd_cx88_hw_params(struct snd_pcm_substream * substream,
 		goto error;
 
 	/* Loop back to start of program */
-	buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP|RISC_IRQ1|RISC_CNT_INC);
+	buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
 	buf->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
 
 	substream->runtime->dma_area = chip->buf->vaddr;
@@ -520,10 +512,9 @@ error:
 /*
  * hw free callback
  */
-static int snd_cx88_hw_free(struct snd_pcm_substream * substream)
+static int snd_cx88_hw_free(struct snd_pcm_substream *substream)
 {
-
-	snd_cx88_card_t *chip = snd_pcm_substream_chip(substream);
+	struct cx88_audio_dev *chip = snd_pcm_substream_chip(substream);
 
 	if (substream->runtime->dma_area) {
 		dsp_buffer_free(chip);
@@ -546,7 +537,7 @@ static int snd_cx88_prepare(struct snd_pcm_substream *substream)
  */
 static int snd_cx88_card_trigger(struct snd_pcm_substream *substream, int cmd)
 {
-	snd_cx88_card_t *chip = snd_pcm_substream_chip(substream);
+	struct cx88_audio_dev *chip = snd_pcm_substream_chip(substream);
 	int err;
 
 	/* Local interrupts are already disabled by ALSA */
@@ -554,13 +545,13 @@ static int snd_cx88_card_trigger(struct snd_pcm_substream *substream, int cmd)
 
 	switch (cmd) {
 	case SNDRV_PCM_TRIGGER_START:
-		err=_cx88_start_audio_dma(chip);
+		err = _cx88_start_audio_dma(chip);
 		break;
 	case SNDRV_PCM_TRIGGER_STOP:
-		err=_cx88_stop_audio_dma(chip);
+		err = _cx88_stop_audio_dma(chip);
 		break;
 	default:
-		err=-EINVAL;
+		err =  -EINVAL;
 		break;
 	}
 
@@ -574,7 +565,7 @@ static int snd_cx88_card_trigger(struct snd_pcm_substream *substream, int cmd)
  */
 static snd_pcm_uframes_t snd_cx88_pointer(struct snd_pcm_substream *substream)
 {
-	snd_cx88_card_t *chip = snd_pcm_substream_chip(substream);
+	struct cx88_audio_dev *chip = snd_pcm_substream_chip(substream);
 	struct snd_pcm_runtime *runtime = substream->runtime;
 	u16 count;
 
@@ -583,16 +574,17 @@ static snd_pcm_uframes_t snd_cx88_pointer(struct snd_pcm_substream *substream)
 //	dprintk(2, "%s - count %d (+%u), period %d, frame %lu\n", __func__,
 //		count, new, count & (runtime->periods-1),
 //		runtime->period_size * (count & (runtime->periods-1)));
-	return runtime->period_size * (count & (runtime->periods-1));
+	return runtime->period_size * (count & (runtime->periods - 1));
 }
 
 /*
  * page callback (needed for mmap)
  */
 static struct page *snd_cx88_page(struct snd_pcm_substream *substream,
-				unsigned long offset)
+				  unsigned long offset)
 {
 	void *pageptr = substream->runtime->dma_area + offset;
+
 	return vmalloc_to_page(pageptr);
 }
 
@@ -614,7 +606,8 @@ static const struct snd_pcm_ops snd_cx88_pcm_ops = {
 /*
  * create a PCM device
  */
-static int snd_cx88_pcm(snd_cx88_card_t *chip, int device, const char *name)
+static int snd_cx88_pcm(struct cx88_audio_dev *chip, int device,
+			const char *name)
 {
 	int err;
 	struct snd_pcm *pcm;
@@ -629,9 +622,9 @@ static int snd_cx88_pcm(snd_cx88_card_t *chip, int device, const char *name)
 	return 0;
 }
 
-/****************************************************************************
-				CONTROL INTERFACE
- ****************************************************************************/
+/*
+ * CONTROL INTERFACE
+ */
 static int snd_cx88_volume_info(struct snd_kcontrol *kcontrol,
 				struct snd_ctl_elem_info *info)
 {
@@ -646,8 +639,8 @@ static int snd_cx88_volume_info(struct snd_kcontrol *kcontrol,
 static int snd_cx88_volume_get(struct snd_kcontrol *kcontrol,
 			       struct snd_ctl_elem_value *value)
 {
-	snd_cx88_card_t *chip = snd_kcontrol_chip(kcontrol);
-	struct cx88_core *core=chip->core;
+	struct cx88_audio_dev *chip = snd_kcontrol_chip(kcontrol);
+	struct cx88_core *core = chip->core;
 	int vol = 0x3f - (cx_read(AUD_VOL_CTL) & 0x3f),
 	    bal = cx_read(AUD_BAL_CTL);
 
@@ -659,9 +652,9 @@ static int snd_cx88_volume_get(struct snd_kcontrol *kcontrol,
 }
 
 static void snd_cx88_wm8775_volume_put(struct snd_kcontrol *kcontrol,
-			       struct snd_ctl_elem_value *value)
+				       struct snd_ctl_elem_value *value)
 {
-	snd_cx88_card_t *chip = snd_kcontrol_chip(kcontrol);
+	struct cx88_audio_dev *chip = snd_kcontrol_chip(kcontrol);
 	struct cx88_core *core = chip->core;
 	int left = value->value.integer.value[0];
 	int right = value->value.integer.value[1];
@@ -683,8 +676,8 @@ static void snd_cx88_wm8775_volume_put(struct snd_kcontrol *kcontrol,
 static int snd_cx88_volume_put(struct snd_kcontrol *kcontrol,
 			       struct snd_ctl_elem_value *value)
 {
-	snd_cx88_card_t *chip = snd_kcontrol_chip(kcontrol);
-	struct cx88_core *core=chip->core;
+	struct cx88_audio_dev *chip = snd_kcontrol_chip(kcontrol);
+	struct cx88_core *core = chip->core;
 	int left, right, v, b;
 	int changed = 0;
 	u32 old;
@@ -733,7 +726,7 @@ static const struct snd_kcontrol_new snd_cx88_volume = {
 static int snd_cx88_switch_get(struct snd_kcontrol *kcontrol,
 			       struct snd_ctl_elem_value *value)
 {
-	snd_cx88_card_t *chip = snd_kcontrol_chip(kcontrol);
+	struct cx88_audio_dev *chip = snd_kcontrol_chip(kcontrol);
 	struct cx88_core *core = chip->core;
 	u32 bit = kcontrol->private_value;
 
@@ -742,9 +735,9 @@ static int snd_cx88_switch_get(struct snd_kcontrol *kcontrol,
 }
 
 static int snd_cx88_switch_put(struct snd_kcontrol *kcontrol,
-				       struct snd_ctl_elem_value *value)
+			       struct snd_ctl_elem_value *value)
 {
-	snd_cx88_card_t *chip = snd_kcontrol_chip(kcontrol);
+	struct cx88_audio_dev *chip = snd_kcontrol_chip(kcontrol);
 	struct cx88_core *core = chip->core;
 	u32 bit = kcontrol->private_value;
 	int ret = 0;
@@ -756,8 +749,9 @@ static int snd_cx88_switch_put(struct snd_kcontrol *kcontrol,
 		vol ^= bit;
 		cx_swrite(SHADOW_AUD_VOL_CTL, AUD_VOL_CTL, vol);
 		/* Pass mute onto any WM8775 */
-		if (core->sd_wm8775 && ((1<<6) == bit))
-			wm8775_s_ctrl(core, V4L2_CID_AUDIO_MUTE, 0 != (vol & bit));
+		if (core->sd_wm8775 && ((1 << 6) == bit))
+			wm8775_s_ctrl(core,
+				      V4L2_CID_AUDIO_MUTE, 0 != (vol & bit));
 		ret = 1;
 	}
 	spin_unlock_irq(&chip->reg_lock);
@@ -770,7 +764,7 @@ static const struct snd_kcontrol_new snd_cx88_dac_switch = {
 	.info = snd_ctl_boolean_mono_info,
 	.get = snd_cx88_switch_get,
 	.put = snd_cx88_switch_put,
-	.private_value = (1<<8),
+	.private_value = (1 << 8),
 };
 
 static const struct snd_kcontrol_new snd_cx88_source_switch = {
@@ -779,13 +773,13 @@ static const struct snd_kcontrol_new snd_cx88_source_switch = {
 	.info = snd_ctl_boolean_mono_info,
 	.get = snd_cx88_switch_get,
 	.put = snd_cx88_switch_put,
-	.private_value = (1<<6),
+	.private_value = (1 << 6),
 };
 
 static int snd_cx88_alc_get(struct snd_kcontrol *kcontrol,
-			       struct snd_ctl_elem_value *value)
+			    struct snd_ctl_elem_value *value)
 {
-	snd_cx88_card_t *chip = snd_kcontrol_chip(kcontrol);
+	struct cx88_audio_dev *chip = snd_kcontrol_chip(kcontrol);
 	struct cx88_core *core = chip->core;
 	s32 val;
 
@@ -795,9 +789,9 @@ static int snd_cx88_alc_get(struct snd_kcontrol *kcontrol,
 }
 
 static int snd_cx88_alc_put(struct snd_kcontrol *kcontrol,
-				       struct snd_ctl_elem_value *value)
+			    struct snd_ctl_elem_value *value)
 {
-	snd_cx88_card_t *chip = snd_kcontrol_chip(kcontrol);
+	struct cx88_audio_dev *chip = snd_kcontrol_chip(kcontrol);
 	struct cx88_core *core = chip->core;
 
 	wm8775_s_ctrl(core, V4L2_CID_AUDIO_LOUDNESS,
@@ -813,9 +807,9 @@ static struct snd_kcontrol_new snd_cx88_alc_switch = {
 	.put = snd_cx88_alc_put,
 };
 
-/****************************************************************************
-			Basic Flow for Sound Devices
- ****************************************************************************/
+/*
+ * Basic Flow for Sound Devices
+ */
 
 /*
  * PCI ID Table - 14f1:8801 and 14f1:8811 means function 1: Audio
@@ -823,8 +817,8 @@ static struct snd_kcontrol_new snd_cx88_alc_switch = {
  */
 
 static const struct pci_device_id cx88_audio_pci_tbl[] = {
-	{0x14f1,0x8801,PCI_ANY_ID,PCI_ANY_ID,0,0,0},
-	{0x14f1,0x8811,PCI_ANY_ID,PCI_ANY_ID,0,0,0},
+	{0x14f1, 0x8801, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
+	{0x14f1, 0x8811, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
 	{0, }
 };
 MODULE_DEVICE_TABLE(pci, cx88_audio_pci_tbl);
@@ -833,13 +827,12 @@ MODULE_DEVICE_TABLE(pci, cx88_audio_pci_tbl);
  * Chip-specific destructor
  */
 
-static int snd_cx88_free(snd_cx88_card_t *chip)
+static int snd_cx88_free(struct cx88_audio_dev *chip)
 {
-
 	if (chip->irq >= 0)
 		free_irq(chip->irq, chip);
 
-	cx88_core_put(chip->core,chip->pci);
+	cx88_core_put(chip->core, chip->pci);
 
 	pci_disable_device(chip->pci);
 	return 0;
@@ -848,27 +841,26 @@ static int snd_cx88_free(snd_cx88_card_t *chip)
 /*
  * Component Destructor
  */
-static void snd_cx88_dev_free(struct snd_card * card)
+static void snd_cx88_dev_free(struct snd_card *card)
 {
-	snd_cx88_card_t *chip = card->private_data;
+	struct cx88_audio_dev *chip = card->private_data;
 
 	snd_cx88_free(chip);
 }
 
-
 /*
  * Alsa Constructor - Component probe
  */
 
 static int devno;
 static int snd_cx88_create(struct snd_card *card, struct pci_dev *pci,
-			   snd_cx88_card_t **rchip,
+			   struct cx88_audio_dev **rchip,
 			   struct cx88_core **core_ptr)
 {
-	snd_cx88_card_t   *chip;
-	struct cx88_core  *core;
-	int               err;
-	unsigned char     pci_lat;
+	struct cx88_audio_dev	*chip;
+	struct cx88_core	*core;
+	int			err;
+	unsigned char		pci_lat;
 
 	*rchip = NULL;
 
@@ -881,19 +873,18 @@ static int snd_cx88_create(struct snd_card *card, struct pci_dev *pci,
 	chip = card->private_data;
 
 	core = cx88_core_get(pci);
-	if (NULL == core) {
+	if (!core) {
 		err = -EINVAL;
 		return err;
 	}
 
-	err = pci_set_dma_mask(pci,DMA_BIT_MASK(32));
+	err = pci_set_dma_mask(pci, DMA_BIT_MASK(32));
 	if (err) {
-		dprintk(0, "%s/1: Oops: no 32bit PCI DMA ???\n",core->name);
+		dprintk(0, "%s/1: Oops: no 32bit PCI DMA ???\n", core->name);
 		cx88_core_put(core, pci);
 		return err;
 	}
 
-
 	/* pci init */
 	chip->card = card;
 	chip->pci = pci;
@@ -907,17 +898,18 @@ static int snd_cx88_create(struct snd_card *card, struct pci_dev *pci,
 			  IRQF_SHARED, chip->core->name, chip);
 	if (err < 0) {
 		dprintk(0, "%s: can't get IRQ %d\n",
-		       chip->core->name, chip->pci->irq);
+			chip->core->name, chip->pci->irq);
 		return err;
 	}
 
 	/* print pci info */
 	pci_read_config_byte(pci, PCI_LATENCY_TIMER, &pci_lat);
 
-	dprintk(1,"ALSA %s/%i: found at %s, rev: %d, irq: %d, "
-	       "latency: %d, mmio: 0x%llx\n", core->name, devno,
-	       pci_name(pci), pci->revision, pci->irq,
-	       pci_lat, (unsigned long long)pci_resource_start(pci,0));
+	dprintk(1,
+		"ALSA %s/%i: found at %s, rev: %d, irq: %d, latency: %d, mmio: 0x%llx\n",
+		core->name, devno,
+		pci_name(pci), pci->revision, pci->irq,
+		pci_lat, (unsigned long long)pci_resource_start(pci, 0));
 
 	chip->irq = pci->irq;
 	synchronize_irq(chip->irq);
@@ -931,10 +923,10 @@ static int snd_cx88_create(struct snd_card *card, struct pci_dev *pci,
 static int cx88_audio_initdev(struct pci_dev *pci,
 			      const struct pci_device_id *pci_id)
 {
-	struct snd_card  *card;
-	snd_cx88_card_t  *chip;
-	struct cx88_core *core = NULL;
-	int              err;
+	struct snd_card		*card;
+	struct cx88_audio_dev	*chip;
+	struct cx88_core	*core = NULL;
+	int			err;
 
 	if (devno >= SNDRV_CARDS)
 		return (-ENODEV);
@@ -945,7 +937,7 @@ static int cx88_audio_initdev(struct pci_dev *pci,
 	}
 
 	err = snd_card_new(&pci->dev, index[devno], id[devno], THIS_MODULE,
-			   sizeof(snd_cx88_card_t), &card);
+			   sizeof(struct cx88_audio_dev), &card);
 	if (err < 0)
 		return err;
 
@@ -973,19 +965,20 @@ static int cx88_audio_initdev(struct pci_dev *pci,
 	if (core->sd_wm8775)
 		snd_ctl_add(card, snd_ctl_new1(&snd_cx88_alc_switch, chip));
 
-	strcpy (card->driver, "CX88x");
+	strcpy(card->driver, "CX88x");
 	sprintf(card->shortname, "Conexant CX%x", pci->device);
 	sprintf(card->longname, "%s at %#llx",
-		card->shortname,(unsigned long long)pci_resource_start(pci, 0));
-	strcpy (card->mixername, "CX88");
+		card->shortname,
+		(unsigned long long)pci_resource_start(pci, 0));
+	strcpy(card->mixername, "CX88");
 
-	dprintk (0, "%s/%i: ALSA support for cx2388x boards\n",
-	       card->driver,devno);
+	dprintk(0, "%s/%i: ALSA support for cx2388x boards\n",
+		card->driver, devno);
 
 	err = snd_card_register(card);
 	if (err < 0)
 		goto error;
-	pci_set_drvdata(pci,card);
+	pci_set_drvdata(pci, card);
 
 	devno++;
 	return 0;
@@ -994,6 +987,7 @@ error:
 	snd_card_free(card);
 	return err;
 }
+
 /*
  * ALSA destructor
  */
diff --git a/drivers/media/pci/cx88/cx88-blackbird.c b/drivers/media/pci/cx88/cx88-blackbird.c
index b532e49e8f33..aa49c9597d9c 100644
--- a/drivers/media/pci/cx88/cx88-blackbird.c
+++ b/drivers/media/pci/cx88/cx88-blackbird.c
@@ -1,5 +1,4 @@
 /*
- *
  *  Support for a cx23416 mpeg encoder via cx2388x host port.
  *  "blackbird" reference design.
  *
@@ -20,12 +19,10 @@
  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with this program; if not, write to the Free Software
- *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
 
+#include "cx88.h"
+
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/slab.h>
@@ -38,21 +35,20 @@
 #include <media/v4l2-event.h>
 #include <media/drv-intf/cx2341x.h>
 
-#include "cx88.h"
-
 MODULE_DESCRIPTION("driver for cx2388x/cx23416 based mpeg encoder cards");
 MODULE_AUTHOR("Jelle Foks <jelle@foks.us>, Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
 MODULE_LICENSE("GPL");
 MODULE_VERSION(CX88_VERSION);
 
 static unsigned int debug;
-module_param(debug,int,0644);
-MODULE_PARM_DESC(debug,"enable debug messages [blackbird]");
+module_param(debug, int, 0644);
+MODULE_PARM_DESC(debug, "enable debug messages [blackbird]");
 
-#define dprintk(level, fmt, arg...) do {				      \
-	if (debug + 1 > level)						      \
-		printk(KERN_DEBUG "%s/2-bb: " fmt, dev->core->name , ## arg); \
-} while(0)
+#define dprintk(level, fmt, arg...) do {				\
+	if (debug + 1 > level)						\
+		printk(KERN_DEBUG pr_fmt("%s: blackbird:" fmt),		\
+			__func__, ##arg);				\
+} while (0)
 
 /* ------------------------------------------------------------------ */
 
@@ -70,6 +66,7 @@ enum blackbird_capture_type {
 	BLACKBIRD_RAW_CAPTURE,
 	BLACKBIRD_RAW_PASSTHRU_CAPTURE
 };
+
 enum blackbird_capture_bits {
 	BLACKBIRD_RAW_BITS_NONE             = 0x00,
 	BLACKBIRD_RAW_BITS_YUV_CAPTURE      = 0x01,
@@ -78,33 +75,40 @@ enum blackbird_capture_bits {
 	BLACKBIRD_RAW_BITS_PASSTHRU_CAPTURE = 0x08,
 	BLACKBIRD_RAW_BITS_TO_HOST_CAPTURE  = 0x10
 };
+
 enum blackbird_capture_end {
 	BLACKBIRD_END_AT_GOP, /* stop at the end of gop, generate irq */
 	BLACKBIRD_END_NOW, /* stop immediately, no irq */
 };
+
 enum blackbird_framerate {
 	BLACKBIRD_FRAMERATE_NTSC_30, /* NTSC: 30fps */
 	BLACKBIRD_FRAMERATE_PAL_25   /* PAL: 25fps */
 };
+
 enum blackbird_stream_port {
 	BLACKBIRD_OUTPUT_PORT_MEMORY,
 	BLACKBIRD_OUTPUT_PORT_STREAMING,
 	BLACKBIRD_OUTPUT_PORT_SERIAL
 };
+
 enum blackbird_data_xfer_status {
 	BLACKBIRD_MORE_BUFFERS_FOLLOW,
 	BLACKBIRD_LAST_BUFFER,
 };
+
 enum blackbird_picture_mask {
 	BLACKBIRD_PICTURE_MASK_NONE,
 	BLACKBIRD_PICTURE_MASK_I_FRAMES,
 	BLACKBIRD_PICTURE_MASK_I_P_FRAMES = 0x3,
 	BLACKBIRD_PICTURE_MASK_ALL_FRAMES = 0x7,
 };
+
 enum blackbird_vbi_mode_bits {
 	BLACKBIRD_VBI_BITS_SLICED,
 	BLACKBIRD_VBI_BITS_RAW,
 };
+
 enum blackbird_vbi_insertion_bits {
 	BLACKBIRD_VBI_BITS_INSERT_IN_XTENSION_USR_DATA,
 	BLACKBIRD_VBI_BITS_INSERT_IN_PRIVATE_PACKETS = 0x1 << 1,
@@ -112,56 +116,69 @@ enum blackbird_vbi_insertion_bits {
 	BLACKBIRD_VBI_BITS_SEPARATE_STREAM_USR_DATA = 0x4 << 1,
 	BLACKBIRD_VBI_BITS_SEPARATE_STREAM_PRV_DATA = 0x5 << 1,
 };
+
 enum blackbird_dma_unit {
 	BLACKBIRD_DMA_BYTES,
 	BLACKBIRD_DMA_FRAMES,
 };
+
 enum blackbird_dma_transfer_status_bits {
 	BLACKBIRD_DMA_TRANSFER_BITS_DONE = 0x01,
 	BLACKBIRD_DMA_TRANSFER_BITS_ERROR = 0x04,
 	BLACKBIRD_DMA_TRANSFER_BITS_LL_ERROR = 0x10,
 };
+
 enum blackbird_pause {
 	BLACKBIRD_PAUSE_ENCODING,
 	BLACKBIRD_RESUME_ENCODING,
 };
+
 enum blackbird_copyright {
 	BLACKBIRD_COPYRIGHT_OFF,
 	BLACKBIRD_COPYRIGHT_ON,
 };
+
 enum blackbird_notification_type {
 	BLACKBIRD_NOTIFICATION_REFRESH,
 };
+
 enum blackbird_notification_status {
 	BLACKBIRD_NOTIFICATION_OFF,
 	BLACKBIRD_NOTIFICATION_ON,
 };
+
 enum blackbird_notification_mailbox {
 	BLACKBIRD_NOTIFICATION_NO_MAILBOX = -1,
 };
+
 enum blackbird_field1_lines {
 	BLACKBIRD_FIELD1_SAA7114 = 0x00EF, /* 239 */
 	BLACKBIRD_FIELD1_SAA7115 = 0x00F0, /* 240 */
 	BLACKBIRD_FIELD1_MICRONAS = 0x0105, /* 261 */
 };
+
 enum blackbird_field2_lines {
 	BLACKBIRD_FIELD2_SAA7114 = 0x00EF, /* 239 */
 	BLACKBIRD_FIELD2_SAA7115 = 0x00F0, /* 240 */
 	BLACKBIRD_FIELD2_MICRONAS = 0x0106, /* 262 */
 };
+
 enum blackbird_custom_data_type {
 	BLACKBIRD_CUSTOM_EXTENSION_USR_DATA,
 	BLACKBIRD_CUSTOM_PRIVATE_PACKET,
 };
+
 enum blackbird_mute {
 	BLACKBIRD_UNMUTE,
 	BLACKBIRD_MUTE,
 };
+
 enum blackbird_mute_video_mask {
 	BLACKBIRD_MUTE_VIDEO_V_MASK = 0x0000FF00,
 	BLACKBIRD_MUTE_VIDEO_U_MASK = 0x00FF0000,
 	BLACKBIRD_MUTE_VIDEO_Y_MASK = 0xFF000000,
 };
+
 enum blackbird_mute_video_shift {
 	BLACKBIRD_MUTE_VIDEO_V_SHIFT = 8,
 	BLACKBIRD_MUTE_VIDEO_U_SHIFT = 16,
@@ -215,14 +232,14 @@ static void host_setup(struct cx88_core *core)
 static int wait_ready_gpio0_bit1(struct cx88_core *core, u32 state)
 {
 	unsigned long timeout = jiffies + msecs_to_jiffies(1);
-	u32 gpio0,need;
+	u32 gpio0, need;
 
 	need = state ? 2 : 0;
 	for (;;) {
 		gpio0 = cx_read(MO_GP0_IO) & 2;
 		if (need == gpio0)
 			return 0;
-		if (time_after(jiffies,timeout))
+		if (time_after(jiffies, timeout))
 			return -1;
 		udelay(1);
 	}
@@ -241,7 +258,7 @@ static int memory_write(struct cx88_core *core, u32 address, u32 value)
 	cx_read(P1_MDATA0);
 	cx_read(P1_MADDR0);
 
-	return wait_ready_gpio0_bit1(core,1);
+	return wait_ready_gpio0_bit1(core, 1);
 }
 
 static int memory_read(struct cx88_core *core, u32 address, u32 *value)
@@ -255,7 +272,7 @@ static int memory_read(struct cx88_core *core, u32 address, u32 *value)
 	cx_writeb(P1_MADDR0, (unsigned int)address);
 	cx_read(P1_MADDR0);
 
-	retval = wait_ready_gpio0_bit1(core,1);
+	retval = wait_ready_gpio0_bit1(core, 1);
 
 	cx_writeb(P1_MDATA3, 0);
 	val     = (unsigned char)cx_read(P1_MDATA3) << 24;
@@ -282,10 +299,9 @@ static int register_write(struct cx88_core *core, u32 address, u32 value)
 	cx_read(P1_RDATA0);
 	cx_read(P1_RADDR0);
 
-	return wait_ready_gpio0_bit1(core,1);
+	return wait_ready_gpio0_bit1(core, 1);
 }
 
-
 static int register_read(struct cx88_core *core, u32 address, u32 *value)
 {
 	int retval;
@@ -296,7 +312,7 @@ static int register_read(struct cx88_core *core, u32 address, u32 *value)
 	cx_writeb(P1_RRDWR, 0);
 	cx_read(P1_RADDR0);
 
-	retval  = wait_ready_gpio0_bit1(core,1);
+	retval  = wait_ready_gpio0_bit1(core, 1);
 	val     = (unsigned char)cx_read(P1_RDATA0);
 	val    |= (unsigned char)cx_read(P1_RDATA1) << 8;
 	val    |= (unsigned char)cx_read(P1_RDATA2) << 16;
@@ -308,20 +324,24 @@ static int register_read(struct cx88_core *core, u32 address, u32 *value)
 
 /* ------------------------------------------------------------------ */
 
-static int blackbird_mbox_func(void *priv, u32 command, int in, int out, u32 data[CX2341X_MBOX_MAX_DATA])
+static int blackbird_mbox_func(void *priv, u32 command, int in,
+			       int out, u32 data[CX2341X_MBOX_MAX_DATA])
 {
 	struct cx8802_dev *dev = priv;
 	unsigned long timeout;
 	u32 value, flag, retval;
 	int i;
 
-	dprintk(1,"%s: 0x%X\n", __func__, command);
+	dprintk(1, "%s: 0x%X\n", __func__, command);
 
-	/* this may not be 100% safe if we can't read any memory location
-	   without side effects */
+	/*
+	 * this may not be 100% safe if we can't read any memory location
+	 * without side effects
+	 */
 	memory_read(dev->core, dev->mailbox - 4, &value);
 	if (value != 0x12345678) {
-		dprintk(0, "Firmware and/or mailbox pointer not initialized or corrupted\n");
+		dprintk(0,
+			"Firmware and/or mailbox pointer not initialized or corrupted\n");
 		return -EIO;
 	}
 
@@ -336,7 +356,8 @@ static int blackbird_mbox_func(void *priv, u32 command, int in, int out, u32 dat
 
 	/* write command + args + fill remaining with zeros */
 	memory_write(dev->core, dev->mailbox + 1, command); /* command code */
-	memory_write(dev->core, dev->mailbox + 3, IVTV_API_STD_TIMEOUT); /* timeout */
+	/* timeout */
+	memory_write(dev->core, dev->mailbox + 3, IVTV_API_STD_TIMEOUT);
 	for (i = 0; i < in; i++) {
 		memory_write(dev->core, dev->mailbox + 4 + i, data[i]);
 		dprintk(1, "API Input %d = %d\n", i, data[i]);
@@ -353,7 +374,7 @@ static int blackbird_mbox_func(void *priv, u32 command, int in, int out, u32 dat
 		memory_read(dev->core, dev->mailbox, &flag);
 		if (0 != (flag & 4))
 			break;
-		if (time_after(jiffies,timeout)) {
+		if (time_after(jiffies, timeout)) {
 			dprintk(0, "ERROR: API Mailbox timeout %x\n", command);
 			return -EIO;
 		}
@@ -367,15 +388,19 @@ static int blackbird_mbox_func(void *priv, u32 command, int in, int out, u32 dat
 	}
 
 	memory_read(dev->core, dev->mailbox + 2, &retval);
-	dprintk(1, "API result = %d\n",retval);
+	dprintk(1, "API result = %d\n", retval);
 
 	flag = 0;
 	memory_write(dev->core, dev->mailbox, flag);
 	return retval;
 }
+
 /* ------------------------------------------------------------------ */
 
-/* We don't need to call the API often, so using just one mailbox will probably suffice */
+/*
+ * We don't need to call the API often, so using just one mailbox
+ * will probably suffice
+ */
 static int blackbird_api_cmd(struct cx8802_dev *dev, u32 command,
 			     u32 inputcnt, u32 outputcnt, ...)
 {
@@ -385,9 +410,9 @@ static int blackbird_api_cmd(struct cx8802_dev *dev, u32 command,
 
 	va_start(vargs, outputcnt);
 
-	for (i = 0; i < inputcnt; i++) {
+	for (i = 0; i < inputcnt; i++)
 		data[i] = va_arg(vargs, int);
-	}
+
 	err = blackbird_mbox_func(dev, command, inputcnt, outputcnt, data);
 	for (i = 0; i < outputcnt; i++) {
 		int *vptr = va_arg(vargs, int *);
@@ -399,8 +424,8 @@ static int blackbird_api_cmd(struct cx8802_dev *dev, u32 command,
 
 static int blackbird_find_mailbox(struct cx8802_dev *dev)
 {
-	u32 signature[4]={0x12345678, 0x34567812, 0x56781234, 0x78123456};
-	int signaturecnt=0;
+	u32 signature[4] = {0x12345678, 0x34567812, 0x56781234, 0x78123456};
+	int signaturecnt = 0;
 	u32 value;
 	int i;
 
@@ -410,9 +435,9 @@ static int blackbird_find_mailbox(struct cx8802_dev *dev)
 			signaturecnt++;
 		else
 			signaturecnt = 0;
-		if (4 == signaturecnt) {
+		if (signaturecnt == 4) {
 			dprintk(1, "Mailbox signature found\n");
-			return i+1;
+			return i + 1;
 		}
 	}
 	dprintk(0, "Mailbox signature values not found!\n");
@@ -431,10 +456,13 @@ static int blackbird_load_firmware(struct cx8802_dev *dev)
 	__le32 *dataptr;
 
 	retval  = register_write(dev->core, IVTV_REG_VPU, 0xFFFFFFED);
-	retval |= register_write(dev->core, IVTV_REG_HW_BLOCKS, IVTV_CMD_HW_BLOCKS_RST);
-	retval |= register_write(dev->core, IVTV_REG_ENC_SDRAM_REFRESH, 0x80000640);
-	retval |= register_write(dev->core, IVTV_REG_ENC_SDRAM_PRECHARGE, 0x1A);
-	msleep(1);
+	retval |= register_write(dev->core, IVTV_REG_HW_BLOCKS,
+				 IVTV_CMD_HW_BLOCKS_RST);
+	retval |= register_write(dev->core, IVTV_REG_ENC_SDRAM_REFRESH,
+				 0x80000640);
+	retval |= register_write(dev->core, IVTV_REG_ENC_SDRAM_PRECHARGE,
+				 0x1A);
+	usleep_range(10000, 20000);
 	retval |= register_write(dev->core, IVTV_REG_APU, 0);
 
 	if (retval < 0)
@@ -443,29 +471,28 @@ static int blackbird_load_firmware(struct cx8802_dev *dev)
 	retval = request_firmware(&firmware, CX2341X_FIRM_ENC_FILENAME,
 				  &dev->pci->dev);
 
-
 	if (retval != 0) {
 		pr_err("Hotplug firmware request failed (%s).\n",
-			CX2341X_FIRM_ENC_FILENAME);
+		       CX2341X_FIRM_ENC_FILENAME);
 		pr_err("Please fix your hotplug setup, the board will not work without firmware loaded!\n");
 		return -EIO;
 	}
 
 	if (firmware->size != BLACKBIRD_FIRM_IMAGE_SIZE) {
 		pr_err("Firmware size mismatch (have %zd, expected %d)\n",
-			firmware->size, BLACKBIRD_FIRM_IMAGE_SIZE);
+		       firmware->size, BLACKBIRD_FIRM_IMAGE_SIZE);
 		release_firmware(firmware);
 		return -EINVAL;
 	}
 
-	if (0 != memcmp(firmware->data, magic, 8)) {
+	if (memcmp(firmware->data, magic, 8) != 0) {
 		pr_err("Firmware magic mismatch, wrong file?\n");
 		release_firmware(firmware);
 		return -EINVAL;
 	}
 
 	/* transfer to the chip */
-	dprintk(1,"Loading firmware ...\n");
+	dprintk(1, "Loading firmware ...\n");
 	dataptr = (__le32 *)firmware->data;
 	for (i = 0; i < (firmware->size >> 2); i++) {
 		value = le32_to_cpu(*dataptr);
@@ -486,10 +513,11 @@ static int blackbird_load_firmware(struct cx8802_dev *dev)
 	}
 	dprintk(0, "Firmware upload successful.\n");
 
-	retval |= register_write(dev->core, IVTV_REG_HW_BLOCKS, IVTV_CMD_HW_BLOCKS_RST);
+	retval |= register_write(dev->core, IVTV_REG_HW_BLOCKS,
+				 IVTV_CMD_HW_BLOCKS_RST);
 	retval |= register_read(dev->core, IVTV_REG_SPU, &value);
 	retval |= register_write(dev->core, IVTV_REG_SPU, value & 0xFFFFFFFE);
-	msleep(1);
+	usleep_range(10000, 20000);
 
 	retval |= register_read(dev->core, IVTV_REG_VPU, &value);
 	retval |= register_write(dev->core, IVTV_REG_VPU, value & 0xFFFFFFE8);
@@ -499,19 +527,19 @@ static int blackbird_load_firmware(struct cx8802_dev *dev)
 	return 0;
 }
 
-/**
- Settings used by the windows tv app for PVR2000:
-=================================================================================================================
-Profile | Codec | Resolution | CBR/VBR | Video Qlty   | V. Bitrate | Frmrate | Audio Codec | A. Bitrate | A. Mode
------------------------------------------------------------------------------------------------------------------
-MPEG-1  | MPEG1 | 352x288PAL | (CBR)   | 1000:Optimal | 2000 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
-MPEG-2  | MPEG2 | 720x576PAL | VBR     | 600 :Good    | 4000 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
-VCD     | MPEG1 | 352x288PAL | (CBR)   | 1000:Optimal | 1150 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
-DVD     | MPEG2 | 720x576PAL | VBR     | 600 :Good    | 6000 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
-DB* DVD | MPEG2 | 720x576PAL | CBR     | 600 :Good    | 6000 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
-=================================================================================================================
-*DB: "DirectBurn"
-*/
+/*
+ * Settings used by the windows tv app for PVR2000:
+ * =================================================================================================================
+ * Profile | Codec | Resolution | CBR/VBR | Video Qlty   | V. Bitrate | Frmrate | Audio Codec | A. Bitrate | A. Mode
+ * -----------------------------------------------------------------------------------------------------------------
+ * MPEG-1  | MPEG1 | 352x288PAL | (CBR)   | 1000:Optimal | 2000 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
+ * MPEG-2  | MPEG2 | 720x576PAL | VBR     | 600 :Good    | 4000 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
+ * VCD     | MPEG1 | 352x288PAL | (CBR)   | 1000:Optimal | 1150 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
+ * DVD     | MPEG2 | 720x576PAL | VBR     | 600 :Good    | 6000 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
+ * DB* DVD | MPEG2 | 720x576PAL | CBR     | 600 :Good    | 6000 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
+ * =================================================================================================================
+ * [*] DB: "DirectBurn"
+ */
 
 static void blackbird_codec_settings(struct cx8802_dev *dev)
 {
@@ -519,11 +547,12 @@ static void blackbird_codec_settings(struct cx8802_dev *dev)
 
 	/* assign frame size */
 	blackbird_api_cmd(dev, CX2341X_ENC_SET_FRAME_SIZE, 2, 0,
-				core->height, core->width);
+			  core->height, core->width);
 
 	dev->cxhdl.width = core->width;
 	dev->cxhdl.height = core->height;
-	cx2341x_handler_set_50hz(&dev->cxhdl, dev->core->tvnorm & V4L2_STD_625_50);
+	cx2341x_handler_set_50hz(&dev->cxhdl,
+				 dev->core->tvnorm & V4L2_STD_625_50);
 	cx2341x_handler_setup(&dev->cxhdl);
 }
 
@@ -533,7 +562,7 @@ static int blackbird_initialize_codec(struct cx8802_dev *dev)
 	int version;
 	int retval;
 
-	dprintk(1,"Initialize codec\n");
+	dprintk(1, "Initialize codec\n");
 	retval = blackbird_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0); /* ping */
 	if (retval < 0) {
 		/* ping was not successful, reset and upload firmware */
@@ -549,15 +578,18 @@ static int blackbird_initialize_codec(struct cx8802_dev *dev)
 
 		dev->mailbox = retval;
 
-		retval = blackbird_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0); /* ping */
+		/* ping */
+		retval = blackbird_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0);
 		if (retval < 0) {
 			dprintk(0, "ERROR: Firmware ping failed!\n");
 			return -1;
 		}
 
-		retval = blackbird_api_cmd(dev, CX2341X_ENC_GET_VERSION, 0, 1, &version);
+		retval = blackbird_api_cmd(dev, CX2341X_ENC_GET_VERSION,
+					   0, 1, &version);
 		if (retval < 0) {
-			dprintk(0, "ERROR: Firmware get encoder version failed!\n");
+			dprintk(0,
+				"ERROR: Firmware get encoder version failed!\n");
 			return -1;
 		}
 		dprintk(0, "Firmware version is 0x%08x\n", version);
@@ -571,13 +603,11 @@ static int blackbird_initialize_codec(struct cx8802_dev *dev)
 	blackbird_codec_settings(dev);
 
 	blackbird_api_cmd(dev, CX2341X_ENC_SET_NUM_VSYNC_LINES, 2, 0,
-			BLACKBIRD_FIELD1_SAA7115,
-			BLACKBIRD_FIELD2_SAA7115
-		);
+			  BLACKBIRD_FIELD1_SAA7115, BLACKBIRD_FIELD2_SAA7115);
 
 	blackbird_api_cmd(dev, CX2341X_ENC_SET_PLACEHOLDER, 12, 0,
-			BLACKBIRD_CUSTOM_EXTENSION_USR_DATA,
-			0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
+			  BLACKBIRD_CUSTOM_EXTENSION_USR_DATA,
+			  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
 
 	return 0;
 }
@@ -615,9 +645,7 @@ static int blackbird_start_codec(struct cx8802_dev *dev)
 
 	/* start capturing to the host interface */
 	blackbird_api_cmd(dev, CX2341X_ENC_START_CAPTURE, 2, 0,
-			BLACKBIRD_MPEG_CAPTURE,
-			BLACKBIRD_RAW_BITS_NONE
-		);
+			  BLACKBIRD_MPEG_CAPTURE, BLACKBIRD_RAW_BITS_NONE);
 
 	return 0;
 }
@@ -625,10 +653,9 @@ static int blackbird_start_codec(struct cx8802_dev *dev)
 static int blackbird_stop_codec(struct cx8802_dev *dev)
 {
 	blackbird_api_cmd(dev, CX2341X_ENC_STOP_CAPTURE, 3, 0,
-			BLACKBIRD_END_NOW,
-			BLACKBIRD_MPEG_CAPTURE,
-			BLACKBIRD_RAW_BITS_NONE
-		);
+			  BLACKBIRD_END_NOW,
+			  BLACKBIRD_MPEG_CAPTURE,
+			  BLACKBIRD_RAW_BITS_NONE);
 
 	cx2341x_handler_set_busy(&dev->cxhdl, 0);
 
@@ -638,8 +665,8 @@ static int blackbird_stop_codec(struct cx8802_dev *dev)
 /* ------------------------------------------------------------------ */
 
 static int queue_setup(struct vb2_queue *q,
-			   unsigned int *num_buffers, unsigned int *num_planes,
-			   unsigned int sizes[], struct device *alloc_devs[])
+		       unsigned int *num_buffers, unsigned int *num_planes,
+		       unsigned int sizes[], struct device *alloc_devs[])
 {
 	struct cx8802_dev *dev = q->drv_priv;
 
@@ -699,7 +726,8 @@ static int start_streaming(struct vb2_queue *q, unsigned int count)
 
 	err = drv->request_acquire(drv);
 	if (err != 0) {
-		dprintk(1, "%s: Unable to acquire hardware, %d\n", __func__, err);
+		dprintk(1, "%s: Unable to acquire hardware, %d\n", __func__,
+			err);
 		goto fail;
 	}
 
@@ -770,7 +798,7 @@ static const struct vb2_ops blackbird_qops = {
 /* ------------------------------------------------------------------ */
 
 static int vidioc_querycap(struct file *file, void  *priv,
-					struct v4l2_capability *cap)
+			   struct v4l2_capability *cap)
 {
 	struct cx8802_dev *dev = video_drvdata(file);
 	struct cx88_core *core = dev->core;
@@ -781,8 +809,8 @@ static int vidioc_querycap(struct file *file, void  *priv,
 	return 0;
 }
 
-static int vidioc_enum_fmt_vid_cap (struct file *file, void  *priv,
-					struct v4l2_fmtdesc *f)
+static int vidioc_enum_fmt_vid_cap(struct file *file, void  *priv,
+				   struct v4l2_fmtdesc *f)
 {
 	if (f->index != 0)
 		return -EINVAL;
@@ -794,7 +822,7 @@ static int vidioc_enum_fmt_vid_cap (struct file *file, void  *priv,
 }
 
 static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
-					struct v4l2_format *f)
+				struct v4l2_format *f)
 {
 	struct cx8802_dev *dev = video_drvdata(file);
 	struct cx88_core *core = dev->core;
@@ -810,11 +838,11 @@ static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
 }
 
 static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
-			struct v4l2_format *f)
+				  struct v4l2_format *f)
 {
 	struct cx8802_dev *dev = video_drvdata(file);
 	struct cx88_core *core = dev->core;
-	unsigned maxw, maxh;
+	unsigned int maxw, maxh;
 	enum v4l2_field field;
 
 	f->fmt.pix.pixelformat  = V4L2_PIX_FMT_MPEG;
@@ -850,7 +878,7 @@ static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
 }
 
 static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
-					struct v4l2_format *f)
+				struct v4l2_format *f)
 {
 	struct cx8802_dev *dev = video_drvdata(file);
 	struct cx88_core  *core = dev->core;
@@ -864,20 +892,21 @@ static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
 	core->width = f->fmt.pix.width;
 	core->height = f->fmt.pix.height;
 	core->field = f->fmt.pix.field;
-	cx88_set_scale(core, f->fmt.pix.width, f->fmt.pix.height, f->fmt.pix.field);
+	cx88_set_scale(core, f->fmt.pix.width, f->fmt.pix.height,
+		       f->fmt.pix.field);
 	blackbird_api_cmd(dev, CX2341X_ENC_SET_FRAME_SIZE, 2, 0,
-				f->fmt.pix.height, f->fmt.pix.width);
+			  f->fmt.pix.height, f->fmt.pix.width);
 	return 0;
 }
 
-static int vidioc_s_frequency (struct file *file, void *priv,
-				const struct v4l2_frequency *f)
+static int vidioc_s_frequency(struct file *file, void *priv,
+			      const struct v4l2_frequency *f)
 {
 	struct cx8802_dev *dev = video_drvdata(file);
 	struct cx88_core *core = dev->core;
 	bool streaming;
 
-	if (unlikely(UNSET == core->board.tuner_type))
+	if (unlikely(core->board.tuner_type == UNSET))
 		return -EINVAL;
 	if (unlikely(f->tuner != 0))
 		return -EINVAL;
@@ -885,16 +914,15 @@ static int vidioc_s_frequency (struct file *file, void *priv,
 	if (streaming)
 		blackbird_stop_codec(dev);
 
-	cx88_set_freq (core,f);
+	cx88_set_freq(core, f);
 	blackbird_initialize_codec(dev);
-	cx88_set_scale(core, core->width, core->height,
-			core->field);
+	cx88_set_scale(core, core->width, core->height, core->field);
 	if (streaming)
 		blackbird_start_codec(dev);
 	return 0;
 }
 
-static int vidioc_log_status (struct file *file, void *priv)
+static int vidioc_log_status(struct file *file, void *priv)
 {
 	struct cx8802_dev *dev = video_drvdata(file);
 	struct cx88_core *core = dev->core;
@@ -906,21 +934,22 @@ static int vidioc_log_status (struct file *file, void *priv)
 	return 0;
 }
 
-static int vidioc_enum_input (struct file *file, void *priv,
-				struct v4l2_input *i)
+static int vidioc_enum_input(struct file *file, void *priv,
+			     struct v4l2_input *i)
 {
 	struct cx8802_dev *dev = video_drvdata(file);
 	struct cx88_core *core = dev->core;
-	return cx88_enum_input (core,i);
+
+	return cx88_enum_input(core, i);
 }
 
-static int vidioc_g_frequency (struct file *file, void *priv,
-				struct v4l2_frequency *f)
+static int vidioc_g_frequency(struct file *file, void *priv,
+			      struct v4l2_frequency *f)
 {
 	struct cx8802_dev *dev = video_drvdata(file);
 	struct cx88_core *core = dev->core;
 
-	if (unlikely(UNSET == core->board.tuner_type))
+	if (unlikely(core->board.tuner_type == UNSET))
 		return -EINVAL;
 	if (unlikely(f->tuner != 0))
 		return -EINVAL;
@@ -931,7 +960,7 @@ static int vidioc_g_frequency (struct file *file, void *priv,
 	return 0;
 }
 
-static int vidioc_g_input (struct file *file, void *priv, unsigned int *i)
+static int vidioc_g_input(struct file *file, void *priv, unsigned int *i)
 {
 	struct cx8802_dev *dev = video_drvdata(file);
 	struct cx88_core *core = dev->core;
@@ -940,31 +969,31 @@ static int vidioc_g_input (struct file *file, void *priv, unsigned int *i)
 	return 0;
 }
 
-static int vidioc_s_input (struct file *file, void *priv, unsigned int i)
+static int vidioc_s_input(struct file *file, void *priv, unsigned int i)
 {
 	struct cx8802_dev *dev = video_drvdata(file);
 	struct cx88_core *core = dev->core;
 
 	if (i >= 4)
 		return -EINVAL;
-	if (0 == INPUT(i).type)
+	if (!INPUT(i).type)
 		return -EINVAL;
 
 	cx88_newstation(core);
-	cx88_video_mux(core,i);
+	cx88_video_mux(core, i);
 	return 0;
 }
 
-static int vidioc_g_tuner (struct file *file, void *priv,
-				struct v4l2_tuner *t)
+static int vidioc_g_tuner(struct file *file, void *priv,
+			  struct v4l2_tuner *t)
 {
 	struct cx8802_dev *dev = video_drvdata(file);
 	struct cx88_core *core = dev->core;
 	u32 reg;
 
-	if (unlikely(UNSET == core->board.tuner_type))
+	if (unlikely(core->board.tuner_type == UNSET))
 		return -EINVAL;
-	if (0 != t->index)
+	if (t->index != 0)
 		return -EINVAL;
 
 	strcpy(t->name, "Television");
@@ -972,21 +1001,21 @@ static int vidioc_g_tuner (struct file *file, void *priv,
 	t->rangehigh  = 0xffffffffUL;
 	call_all(core, tuner, g_tuner, t);
 
-	cx88_get_stereo(core ,t);
+	cx88_get_stereo(core, t);
 	reg = cx_read(MO_DEVICE_STATUS);
-	t->signal = (reg & (1<<5)) ? 0xffff : 0x0000;
+	t->signal = (reg & (1 << 5)) ? 0xffff : 0x0000;
 	return 0;
 }
 
-static int vidioc_s_tuner (struct file *file, void *priv,
-				const struct v4l2_tuner *t)
+static int vidioc_s_tuner(struct file *file, void *priv,
+			  const struct v4l2_tuner *t)
 {
 	struct cx8802_dev *dev = video_drvdata(file);
 	struct cx88_core *core = dev->core;
 
-	if (UNSET == core->board.tuner_type)
+	if (core->board.tuner_type == UNSET)
 		return -EINVAL;
-	if (0 != t->index)
+	if (t->index != 0)
 		return -EINVAL;
 
 	cx88_set_stereo(core, t->audmode, 1);
@@ -1010,8 +1039,7 @@ static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id id)
 	return cx88_set_tvnorm(core, id);
 }
 
-static const struct v4l2_file_operations mpeg_fops =
-{
+static const struct v4l2_file_operations mpeg_fops = {
 	.owner	       = THIS_MODULE,
 	.open	       = v4l2_fh_open,
 	.release       = vb2_fop_release,
@@ -1050,7 +1078,7 @@ static const struct v4l2_ioctl_ops mpeg_ioctl_ops = {
 static struct video_device cx8802_mpeg_template = {
 	.name                 = "cx8802",
 	.fops                 = &mpeg_fops,
-	.ioctl_ops 	      = &mpeg_ioctl_ops,
+	.ioctl_ops	      = &mpeg_ioctl_ops,
 	.tvnorms              = CX88_NORMS,
 };
 
@@ -1064,7 +1092,9 @@ static int cx8802_blackbird_advise_acquire(struct cx8802_driver *drv)
 
 	switch (core->boardnr) {
 	case CX88_BOARD_HAUPPAUGE_HVR1300:
-		/* By default, core setup will leave the cx22702 out of reset, on the bus.
+		/*
+		 * By default, core setup will leave the cx22702 out of reset,
+		 * on the bus.
 		 * We left the hardware on power up with the cx22702 active.
 		 * We're being given access to re-arrange the GPIOs.
 		 * Take the bus off the cx22702 and put the cx23416 on it.
@@ -1118,12 +1148,11 @@ static int blackbird_register_video(struct cx8802_dev *dev)
 	dev->mpeg_dev.queue = &dev->vb2_mpegq;
 	err = video_register_device(&dev->mpeg_dev, VFL_TYPE_GRABBER, -1);
 	if (err < 0) {
-		printk(KERN_INFO "%s/2: can't register mpeg device\n",
-		       dev->core->name);
+		pr_info("can't register mpeg device\n");
 		return err;
 	}
-	printk(KERN_INFO "%s/2: registered device %s [mpeg]\n",
-	       dev->core->name, video_device_node_name(&dev->mpeg_dev));
+	pr_info("registered device %s [mpeg]\n",
+		video_device_node_name(&dev->mpeg_dev));
 	return 0;
 }
 
@@ -1136,8 +1165,8 @@ static int cx8802_blackbird_probe(struct cx8802_driver *drv)
 	struct vb2_queue *q;
 	int err;
 
-	dprintk( 1, "%s\n", __func__);
-	dprintk( 1, " ->being probed by Card=%d Name=%s, PCI %02x:%02x\n",
+	dprintk(1, "%s\n", __func__);
+	dprintk(1, " ->being probed by Card=%d Name=%s, PCI %02x:%02x\n",
 		core->boardnr,
 		core->name,
 		core->pci_bus,
@@ -1158,16 +1187,15 @@ static int cx8802_blackbird_probe(struct cx8802_driver *drv)
 	v4l2_ctrl_add_handler(&dev->cxhdl.hdl, &core->video_hdl, NULL);
 
 	/* blackbird stuff */
-	printk("%s/2: cx23416 based mpeg encoder (blackbird reference design)\n",
-	       core->name);
+	pr_info("cx23416 based mpeg encoder (blackbird reference design)\n");
 	host_setup(dev->core);
 
 	blackbird_initialize_codec(dev);
 
 	/* initial device configuration: needed ? */
 //	init_controls(core);
-	cx88_set_tvnorm(core,core->tvnorm);
-	cx88_video_mux(core,0);
+	cx88_set_tvnorm(core, core->tvnorm);
+	cx88_video_mux(core, 0);
 	cx2341x_handler_set_50hz(&dev->cxhdl, core->height == 576);
 	cx2341x_handler_setup(&dev->cxhdl);
 
@@ -1219,8 +1247,8 @@ static struct cx8802_driver cx8802_blackbird_driver = {
 
 static int __init blackbird_init(void)
 {
-	printk(KERN_INFO "cx2388x blackbird driver version %s loaded\n",
-	       CX88_VERSION);
+	pr_info("cx2388x blackbird driver version %s loaded\n",
+		CX88_VERSION);
 	return cx8802_register_driver(&cx8802_blackbird_driver);
 }
 
diff --git a/drivers/media/pci/cx88/cx88-cards.c b/drivers/media/pci/cx88/cx88-cards.c
index 8f2556ec3971..cdfbde277b8b 100644
--- a/drivers/media/pci/cx88/cx88-cards.c
+++ b/drivers/media/pci/cx88/cx88-cards.c
@@ -1,5 +1,4 @@
 /*
- *
  * device driver for Conexant 2388x based TV cards
  * card-specific stuff.
  *
@@ -14,22 +13,18 @@
  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with this program; if not, write to the Free Software
- *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
 
+#include "cx88.h"
+#include "tea5767.h"
+#include "xc4000.h"
+
 #include <linux/init.h>
 #include <linux/module.h>
 #include <linux/pci.h>
 #include <linux/delay.h>
 #include <linux/slab.h>
 
-#include "cx88.h"
-#include "tea5767.h"
-#include "xc4000.h"
-
 static unsigned int tuner[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
 static unsigned int radio[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
 static unsigned int card[]  = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
@@ -38,32 +33,23 @@ module_param_array(tuner, int, NULL, 0444);
 module_param_array(radio, int, NULL, 0444);
 module_param_array(card,  int, NULL, 0444);
 
-MODULE_PARM_DESC(tuner,"tuner type");
-MODULE_PARM_DESC(radio,"radio tuner type");
-MODULE_PARM_DESC(card,"card type");
+MODULE_PARM_DESC(tuner, "tuner type");
+MODULE_PARM_DESC(radio, "radio tuner type");
+MODULE_PARM_DESC(card, "card type");
 
 static unsigned int latency = UNSET;
-module_param(latency,int,0444);
-MODULE_PARM_DESC(latency,"pci latency timer");
+module_param(latency, int, 0444);
+MODULE_PARM_DESC(latency, "pci latency timer");
 
 static int disable_ir;
 module_param(disable_ir, int, 0444);
 MODULE_PARM_DESC(disable_ir, "Disable IR support");
 
-#define info_printk(core, fmt, arg...) \
-	printk(KERN_INFO "%s: " fmt, core->name , ## arg)
-
-#define warn_printk(core, fmt, arg...) \
-	printk(KERN_WARNING "%s: " fmt, core->name , ## arg)
-
-#define err_printk(core, fmt, arg...) \
-	printk(KERN_ERR "%s: " fmt, core->name , ## arg)
-
-#define dprintk(level,fmt, arg...)	do {				\
+#define dprintk(level, fmt, arg...)	do {				\
 	if (cx88_core_debug >= level)					\
-		printk(KERN_DEBUG "%s: " fmt, core->name , ## arg);	\
-	} while(0)
-
+		printk(KERN_DEBUG pr_fmt("%s: core:" fmt),		\
+			__func__, ##arg);				\
+} while (0)
 
 /* ------------------------------------------------------------------ */
 /* board config info                                                  */
@@ -291,7 +277,6 @@ static const struct cx88_board cx88_boards[] = {
 			.gpio2  = 0x0035e700,
 			.gpio3  = 0x02000000,
 		}, {
-
 			.type   = CX88_VMUX_COMPOSITE1,
 			.vmux   = 1,
 			.gpio0  = 0x0035c700,
@@ -505,22 +490,22 @@ static const struct cx88_board cx88_boards[] = {
 		.tuner_addr	= ADDR_UNSET,
 		.radio_addr	= ADDR_UNSET,
 		/*
-		   GPIO[0] resets DT3302 DTV receiver
-		    0 - reset asserted
-		    1 - normal operation
-		   GPIO[1] mutes analog audio output connector
-		    0 - enable selected source
-		    1 - mute
-		   GPIO[2] selects source for analog audio output connector
-		    0 - analog audio input connector on tab
-		    1 - analog DAC output from CX23881 chip
-		   GPIO[3] selects RF input connector on tuner module
-		    0 - RF connector labeled CABLE
-		    1 - RF connector labeled ANT
-		   GPIO[4] selects high RF for QAM256 mode
-		    0 - normal RF
-		    1 - high RF
-		*/
+		 * GPIO[0] resets DT3302 DTV receiver
+		 *     0 - reset asserted
+		 *     1 - normal operation
+		 * GPIO[1] mutes analog audio output connector
+		 *     0 - enable selected source
+		 *     1 - mute
+		 * GPIO[2] selects source for analog audio output connector
+		 *     0 - analog audio input connector on tab
+		 *     1 - analog DAC output from CX23881 chip
+		 * GPIO[3] selects RF input connector on tuner module
+		 *     0 - RF connector labeled CABLE
+		 *     1 - RF connector labeled ANT
+		 * GPIO[4] selects high RF for QAM256 mode
+		 *     0 - normal RF
+		 *     1 - high RF
+		 */
 		.input          = { {
 			.type   = CX88_VMUX_TELEVISION,
 			.vmux   = 0,
@@ -743,7 +728,10 @@ static const struct cx88_board cx88_boards[] = {
 		.radio_type     = UNSET,
 		.tuner_addr	= ADDR_UNSET,
 		.radio_addr	= ADDR_UNSET,
-		/* Some variants use a tda9874 and so need the tvaudio module. */
+		/*
+		 * Some variants use a tda9874 and so need the
+		 * tvaudio module.
+		 */
 		.audio_chip     = CX88_AUDIO_TVAUDIO,
 		.input          = { {
 			.type   = CX88_VMUX_TELEVISION,
@@ -1209,8 +1197,10 @@ static const struct cx88_board cx88_boards[] = {
 		.mpeg           = CX88_MPEG_DVB,
 	},
 	[CX88_BOARD_KWORLD_MCE200_DELUXE] = {
-		/* FIXME: tested TV input only, disabled composite,
-		   svideo and radio until they can be tested also. */
+		/*
+		 * FIXME: tested TV input only, disabled composite,
+		 * svideo and radio until they can be tested also.
+		 */
 		.name           = "Kworld MCE 200 Deluxe",
 		.tuner_type     = TUNER_TENA_9533_DI,
 		.radio_type     = UNSET,
@@ -1721,16 +1711,24 @@ static const struct cx88_board cx88_boards[] = {
 		},
 	},
 	[CX88_BOARD_POWERCOLOR_REAL_ANGEL] = {
-		.name           = "PowerColor RA330",	/* Long names may confuse LIRC. */
+		/* Long names may confuse LIRC. */
+		.name           = "PowerColor RA330",
 		.tuner_type     = TUNER_XC2028,
 		.tuner_addr     = 0x61,
 		.input          = { {
+			/*
+			 * Due to the way the cx88 driver is written,
+			 * there is no way to deactivate audio pass-
+			 * through without this entry. Furthermore, if
+			 * the TV mux entry is first, you get audio
+			 * from the tuner on boot for a little while.
+			 */
 			.type   = CX88_VMUX_DEBUG,
-			.vmux   = 3,		/* Due to the way the cx88 driver is written,	*/
-			.gpio0 = 0x00ff,	/* there is no way to deactivate audio pass-	*/
-			.gpio1 = 0xf39d,	/* through without this entry. Furthermore, if	*/
-			.gpio3 = 0x0000,	/* the TV mux entry is first, you get audio	*/
-		}, {				/* from the tuner on boot for a little while.	*/
+			.vmux   = 3,
+			.gpio0 = 0x00ff,
+			.gpio1 = 0xf39d,
+			.gpio3 = 0x0000,
+		}, {
 			.type   = CX88_VMUX_TELEVISION,
 			.vmux   = 0,
 			.gpio0 = 0x00ff,
@@ -1883,11 +1881,12 @@ static const struct cx88_board cx88_boards[] = {
 			.gpio2 = 0x0cf7,
 		},
 	},
-	/* Both radio, analog and ATSC work with this board.
-	   However, for analog to work, s5h1409 gate should be open,
-	   otherwise, tuner-xc3028 won't be detected.
-	   A proper fix require using the newer i2c methods to add
-	   tuner-xc3028 without doing an i2c probe.
+	/*
+	 * Both radio, analog and ATSC work with this board.
+	 * However, for analog to work, s5h1409 gate should be open,
+	 * otherwise, tuner-xc3028 won't be detected.
+	 * A proper fix require using the newer i2c methods to add
+	 * tuner-xc3028 without doing an i2c probe.
 	 */
 	[CX88_BOARD_KWORLD_ATSC_120] = {
 		.name           = "Kworld PlusTV HD PCI 120 (ATSC 120)",
@@ -2821,15 +2820,15 @@ static const struct cx88_subid cx88_subids[] = {
 	},
 };
 
-/* ----------------------------------------------------------------------- */
-/* some leadtek specific stuff                                             */
-
+/*
+ * some leadtek specific stuff
+ */
 static void leadtek_eeprom(struct cx88_core *core, u8 *eeprom_data)
 {
 	if (eeprom_data[4] != 0x7d ||
 	    eeprom_data[5] != 0x10 ||
 	    eeprom_data[7] != 0x66) {
-		warn_printk(core, "Leadtek eeprom invalid.\n");
+		pr_warn("Leadtek eeprom invalid.\n");
 		return;
 	}
 
@@ -2847,9 +2846,8 @@ static void leadtek_eeprom(struct cx88_core *core, u8 *eeprom_data)
 		break;
 	}
 
-	info_printk(core, "Leadtek Winfast 2000XP Expert config: "
-		    "tuner=%d, eeprom[0]=0x%02x\n",
-		    core->board.tuner_type, eeprom_data[0]);
+	pr_info("Leadtek Winfast 2000XP Expert config: tuner=%d, eeprom[0]=0x%02x\n",
+		core->board.tuner_type, eeprom_data[0]);
 }
 
 static void hauppauge_eeprom(struct cx88_core *core, u8 *eeprom_data)
@@ -2863,8 +2861,7 @@ static void hauppauge_eeprom(struct cx88_core *core, u8 *eeprom_data)
 	core->model = tv.model;
 
 	/* Make sure we support the board model */
-	switch (tv.model)
-	{
+	switch (tv.model) {
 	case 14009: /* WinTV-HVR3000 (Retail, IR, b/panel video, 3.5mm audio in) */
 	case 14019: /* WinTV-HVR3000 (Retail, IR Blaster, b/panel video, 3.5mm audio in) */
 	case 14029: /* WinTV-HVR3000 (Retail, IR, b/panel video, 3.5mm audio in - 880 bridge) */
@@ -2905,50 +2902,50 @@ static void hauppauge_eeprom(struct cx88_core *core, u8 *eeprom_data)
 		cx_set(MO_GP0_IO, 0x008989FF);
 		break;
 	default:
-		warn_printk(core, "warning: unknown hauppauge model #%d\n",
-			    tv.model);
+		pr_warn("warning: unknown hauppauge model #%d\n", tv.model);
 		break;
 	}
 
-	info_printk(core, "hauppauge eeprom: model=%d\n", tv.model);
+	pr_info("hauppauge eeprom: model=%d\n", tv.model);
 }
 
-/* ----------------------------------------------------------------------- */
-/* some GDI (was: Modular Technology) specific stuff                       */
+/*
+ * some GDI (was: Modular Technology) specific stuff
+ */
 
 static const struct {
 	int  id;
 	int  fm;
 	const char *name;
 } gdi_tuner[] = {
-	[ 0x01 ] = { .id   = UNSET,
-		     .name = "NTSC_M" },
-	[ 0x02 ] = { .id   = UNSET,
-		     .name = "PAL_B" },
-	[ 0x03 ] = { .id   = UNSET,
-		     .name = "PAL_I" },
-	[ 0x04 ] = { .id   = UNSET,
-		     .name = "PAL_D" },
-	[ 0x05 ] = { .id   = UNSET,
-		     .name = "SECAM" },
-
-	[ 0x10 ] = { .id   = UNSET,
-		     .fm   = 1,
-		     .name = "TEMIC_4049" },
-	[ 0x11 ] = { .id   = TUNER_TEMIC_4136FY5,
-		     .name = "TEMIC_4136" },
-	[ 0x12 ] = { .id   = UNSET,
-		     .name = "TEMIC_4146" },
-
-	[ 0x20 ] = { .id   = TUNER_PHILIPS_FQ1216ME,
-		     .fm   = 1,
-		     .name = "PHILIPS_FQ1216_MK3" },
-	[ 0x21 ] = { .id   = UNSET, .fm = 1,
-		     .name = "PHILIPS_FQ1236_MK3" },
-	[ 0x22 ] = { .id   = UNSET,
-		     .name = "PHILIPS_FI1236_MK3" },
-	[ 0x23 ] = { .id   = UNSET,
-		     .name = "PHILIPS_FI1216_MK3" },
+	[0x01] = { .id   = UNSET,
+		   .name = "NTSC_M" },
+	[0x02] = { .id   = UNSET,
+		   .name = "PAL_B" },
+	[0x03] = { .id   = UNSET,
+		   .name = "PAL_I" },
+	[0x04] = { .id   = UNSET,
+		   .name = "PAL_D" },
+	[0x05] = { .id   = UNSET,
+		   .name = "SECAM" },
+
+	[0x10] = { .id   = UNSET,
+		   .fm   = 1,
+		   .name = "TEMIC_4049" },
+	[0x11] = { .id   = TUNER_TEMIC_4136FY5,
+		   .name = "TEMIC_4136" },
+	[0x12] = { .id   = UNSET,
+		   .name = "TEMIC_4146" },
+
+	[0x20] = { .id   = TUNER_PHILIPS_FQ1216ME,
+		   .fm   = 1,
+		   .name = "PHILIPS_FQ1216_MK3" },
+	[0x21] = { .id   = UNSET, .fm = 1,
+		   .name = "PHILIPS_FQ1236_MK3" },
+	[0x22] = { .id   = UNSET,
+		   .name = "PHILIPS_FI1236_MK3" },
+	[0x23] = { .id   = UNSET,
+		   .name = "PHILIPS_FI1216_MK3" },
 };
 
 static void gdi_eeprom(struct cx88_core *core, u8 *eeprom_data)
@@ -2956,16 +2953,17 @@ static void gdi_eeprom(struct cx88_core *core, u8 *eeprom_data)
 	const char *name = (eeprom_data[0x0d] < ARRAY_SIZE(gdi_tuner))
 		? gdi_tuner[eeprom_data[0x0d]].name : NULL;
 
-	info_printk(core, "GDI: tuner=%s\n", name ? name : "unknown");
-	if (NULL == name)
+	pr_info("GDI: tuner=%s\n", name ? name : "unknown");
+	if (!name)
 		return;
 	core->board.tuner_type = gdi_tuner[eeprom_data[0x0d]].id;
 	core->board.radio.type = gdi_tuner[eeprom_data[0x0d]].fm ?
 		CX88_RADIO : 0;
 }
 
-/* ------------------------------------------------------------------- */
-/* some Divco specific stuff                                           */
+/*
+ * some Divco specific stuff
+ */
 static int cx88_dvico_xc2028_callback(struct cx88_core *core,
 				      int command, int arg)
 {
@@ -2994,9 +2992,9 @@ static int cx88_dvico_xc2028_callback(struct cx88_core *core,
 	return 0;
 }
 
-
-/* ----------------------------------------------------------------------- */
-/* some Geniatech specific stuff                                           */
+/*
+ * some Geniatech specific stuff
+ */
 
 static int cx88_xc3028_geniatech_tuner_callback(struct cx88_core *core,
 						int command, int mode)
@@ -3059,8 +3057,9 @@ static int cx88_xc4000_winfast2000h_plus_callback(struct cx88_core *core,
 	return -EINVAL;
 }
 
-/* ------------------------------------------------------------------- */
-/* some Divco specific stuff                                           */
+/*
+ * some Divco specific stuff
+ */
 static int cx88_pv_8000gt_callback(struct cx88_core *core,
 				   int command, int arg)
 {
@@ -3079,8 +3078,9 @@ static int cx88_pv_8000gt_callback(struct cx88_core *core,
 	return 0;
 }
 
-/* ----------------------------------------------------------------------- */
-/* some DViCO specific stuff                                               */
+/*
+ * some DViCO specific stuff
+ */
 
 static void dvico_fusionhdtv_hybrid_init(struct cx88_core *core)
 {
@@ -3107,8 +3107,8 @@ static void dvico_fusionhdtv_hybrid_init(struct cx88_core *core)
 		msg.len = (i != 12 ? 5 : 2);
 		err = i2c_transfer(&core->i2c_adap, &msg, 1);
 		if (err != 1) {
-			warn_printk(core, "dvico_fusionhdtv_hybrid_init buf %d "
-					  "failed (err = %d)!\n", i, err);
+			pr_warn("dvico_fusionhdtv_hybrid_init buf %d failed (err = %d)!\n",
+				i, err);
 			return;
 		}
 	}
@@ -3176,11 +3176,11 @@ static int cx88_xc4000_tuner_callback(struct cx88_core *core,
 	return -EINVAL;
 }
 
-/* ----------------------------------------------------------------------- */
-/* Tuner callback function. Currently only needed for the Pinnacle 	   *
- * PCTV HD 800i with an xc5000 sillicon tuner. This is used for both	   *
- * analog tuner attach (tuner-core.c) and dvb tuner attach (cx88-dvb.c)    */
-
+/*
+ * Tuner callback function. Currently only needed for the Pinnacle
+ * PCTV HD 800i with an xc5000 sillicon tuner. This is used for both
+ * analog tuner attach (tuner-core.c) and dvb tuner attach (cx88-dvb.c)
+ */
 static int cx88_xc5000_tuner_callback(struct cx88_core *core,
 				      int command, int arg)
 {
@@ -3188,38 +3188,38 @@ static int cx88_xc5000_tuner_callback(struct cx88_core *core,
 	case CX88_BOARD_PINNACLE_PCTV_HD_800i:
 		if (command == 0) { /* This is the reset command from xc5000 */
 
-			/* djh - According to the engineer at PCTV Systems,
-			   the xc5000 reset pin is supposed to be on GPIO12.
-			   However, despite three nights of effort, pulling
-			   that GPIO low didn't reset the xc5000.  While
-			   pulling MO_SRST_IO low does reset the xc5000, this
-			   also resets in the s5h1409 being reset as well.
-			   This causes tuning to always fail since the internal
-			   state of the s5h1409 does not match the driver's
-			   state.  Given that the only two conditions in which
-			   the driver performs a reset is during firmware load
-			   and powering down the chip, I am taking out the
-			   reset.  We know that the chip is being reset
-			   when the cx88 comes online, and not being able to
-			   do power management for this board is worse than
-			   not having any tuning at all. */
+			/*
+			 * djh - According to the engineer at PCTV Systems,
+			 * the xc5000 reset pin is supposed to be on GPIO12.
+			 * However, despite three nights of effort, pulling
+			 * that GPIO low didn't reset the xc5000.  While
+			 * pulling MO_SRST_IO low does reset the xc5000, this
+			 * also resets in the s5h1409 being reset as well.
+			 * This causes tuning to always fail since the internal
+			 * state of the s5h1409 does not match the driver's
+			 * state.  Given that the only two conditions in which
+			 * the driver performs a reset is during firmware load
+			 * and powering down the chip, I am taking out the
+			 * reset.  We know that the chip is being reset
+			 * when the cx88 comes online, and not being able to
+			 * do power management for this board is worse than
+			 * not having any tuning at all.
+			 */
 			return 0;
-		} else {
-			dprintk(1, "xc5000: unknown tuner callback command.\n");
-			return -EINVAL;
 		}
-		break;
+
+		dprintk(1, "xc5000: unknown tuner callback command.\n");
+		return -EINVAL;
 	case CX88_BOARD_DVICO_FUSIONHDTV_7_GOLD:
 		if (command == 0) { /* This is the reset command from xc5000 */
 			cx_clear(MO_GP0_IO, 0x00000010);
-			msleep(10);
+			usleep_range(10000, 20000);
 			cx_set(MO_GP0_IO, 0x00000010);
 			return 0;
-		} else {
-			dprintk(1, "xc5000: unknown tuner callback command.\n");
-			return -EINVAL;
 		}
-		break;
+
+		dprintk(1, "xc5000: unknown tuner callback command.\n");
+		return -EINVAL;
 	}
 	return 0; /* Should never be here */
 }
@@ -3230,14 +3230,14 @@ int cx88_tuner_callback(void *priv, int component, int command, int arg)
 	struct cx88_core *core;
 
 	if (!i2c_algo) {
-		printk(KERN_ERR "cx88: Error - i2c private data undefined.\n");
+		pr_err("Error - i2c private data undefined.\n");
 		return -EINVAL;
 	}
 
 	core = i2c_algo->data;
 
 	if (!core) {
-		printk(KERN_ERR "cx88: Error - device struct undefined.\n");
+		pr_err("Error - device struct undefined.\n");
 		return -EINVAL;
 	}
 
@@ -3245,18 +3245,18 @@ int cx88_tuner_callback(void *priv, int component, int command, int arg)
 		return -EINVAL;
 
 	switch (core->board.tuner_type) {
-		case TUNER_XC2028:
-			dprintk(1, "Calling XC2028/3028 callback\n");
-			return cx88_xc2028_tuner_callback(core, command, arg);
-		case TUNER_XC4000:
-			dprintk(1, "Calling XC4000 callback\n");
-			return cx88_xc4000_tuner_callback(core, command, arg);
-		case TUNER_XC5000:
-			dprintk(1, "Calling XC5000 callback\n");
-			return cx88_xc5000_tuner_callback(core, command, arg);
+	case TUNER_XC2028:
+		dprintk(1, "Calling XC2028/3028 callback\n");
+		return cx88_xc2028_tuner_callback(core, command, arg);
+	case TUNER_XC4000:
+		dprintk(1, "Calling XC4000 callback\n");
+		return cx88_xc4000_tuner_callback(core, command, arg);
+	case TUNER_XC5000:
+		dprintk(1, "Calling XC5000 callback\n");
+		return cx88_xc5000_tuner_callback(core, command, arg);
 	}
-	err_printk(core, "Error: Calling callback for tuner %d\n",
-		   core->board.tuner_type);
+	pr_err("Error: Calling callback for tuner %d\n",
+	       core->board.tuner_type);
 	return -EINVAL;
 }
 EXPORT_SYMBOL(cx88_tuner_callback);
@@ -3267,28 +3267,20 @@ static void cx88_card_list(struct cx88_core *core, struct pci_dev *pci)
 {
 	int i;
 
-	if (0 == pci->subsystem_vendor &&
-	    0 == pci->subsystem_device) {
-		printk(KERN_ERR
-		       "%s: Your board has no valid PCI Subsystem ID and thus can't\n"
-		       "%s: be autodetected.  Please pass card=<n> insmod option to\n"
-		       "%s: workaround that.  Redirect complaints to the vendor of\n"
-		       "%s: the TV card.  Best regards,\n"
-		       "%s:         -- tux\n",
-		       core->name,core->name,core->name,core->name,core->name);
+	if (!pci->subsystem_vendor && !pci->subsystem_device) {
+		pr_err("Your board has no valid PCI Subsystem ID and thus can't\n");
+		pr_err("be autodetected.  Please pass card=<n> insmod option to\n");
+		pr_err("workaround that.  Redirect complaints to the vendor of\n");
+		pr_err("the TV card\n");
 	} else {
-		printk(KERN_ERR
-		       "%s: Your board isn't known (yet) to the driver.  You can\n"
-		       "%s: try to pick one of the existing card configs via\n"
-		       "%s: card=<n> insmod option.  Updating to the latest\n"
-		       "%s: version might help as well.\n",
-		       core->name,core->name,core->name,core->name);
+		pr_err("Your board isn't known (yet) to the driver.  You can\n");
+		pr_err("try to pick one of the existing card configs via\n");
+		pr_err("card=<n> insmod option.  Updating to the latest\n");
+		pr_err("version might help as well.\n");
 	}
-	err_printk(core, "Here is a list of valid choices for the card=<n> "
-		   "insmod option:\n");
+	pr_err("Here is a list of valid choices for the card=<n> insmod option:\n");
 	for (i = 0; i < ARRAY_SIZE(cx88_boards); i++)
-		printk(KERN_ERR "%s:    card=%d -> %s\n",
-		       core->name, i, cx88_boards[i].name);
+		pr_err("    card=%d -> %s\n", i, cx88_boards[i].name);
 }
 
 static void cx88_card_setup_pre_i2c(struct cx88_core *core)
@@ -3296,7 +3288,9 @@ static void cx88_card_setup_pre_i2c(struct cx88_core *core)
 	switch (core->boardnr) {
 	case CX88_BOARD_HAUPPAUGE_HVR1300:
 		/*
-		 * Bring the 702 demod up before i2c scanning/attach or devices are hidden
+		 * Bring the 702 demod up before i2c scanning/attach or
+		 * devices are hidden.
+		 *
 		 * We leave here with the 702 on the bus
 		 *
 		 * "reset the IR receiver on GPIO[3]"
@@ -3317,7 +3311,7 @@ static void cx88_card_setup_pre_i2c(struct cx88_core *core)
 		cx_write(MO_GP2_IO, 0xef5);
 		mdelay(50);
 		cx_write(MO_GP2_IO, 0xcf7);
-		msleep(10);
+		usleep_range(10000, 20000);
 		break;
 
 	case CX88_BOARD_DVICO_FUSIONHDTV_7_GOLD:
@@ -3353,7 +3347,7 @@ static void cx88_card_setup_pre_i2c(struct cx88_core *core)
 	case CX88_BOARD_TWINHAN_VP1027_DVBS:
 		cx_write(MO_GP0_IO, 0x00003230);
 		cx_write(MO_GP0_IO, 0x00003210);
-		msleep(1);
+		usleep_range(10000, 20000);
 		cx_write(MO_GP0_IO, 0x00001230);
 		break;
 	}
@@ -3384,11 +3378,13 @@ void cx88_setup_xc3028(struct cx88_core *core, struct xc2028_ctrl *ctl)
 		ctl->demod = XC3028_FE_OREN538;
 		break;
 	case CX88_BOARD_GENIATECH_X8000_MT:
-		/* FIXME: For this board, the xc3028 never recovers after being
-		   powered down (the reset GPIO probably is not set properly).
-		   We don't have access to the hardware so we cannot determine
-		   which GPIO is used for xc3028, so just disable power xc3028
-		   power management for now */
+		/*
+		 * FIXME: For this board, the xc3028 never recovers after being
+		 * powered down (the reset GPIO probably is not set properly).
+		 * We don't have access to the hardware so we cannot determine
+		 * which GPIO is used for xc3028, so just disable power xc3028
+		 * power management for now
+		 */
 		ctl->disable_power_mgmt = 1;
 		break;
 	case CX88_BOARD_WINFAST_TV2000_XP_GLOBAL:
@@ -3418,7 +3414,7 @@ static void cx88_card_setup(struct cx88_core *core)
 
 	memset(&tun_setup, 0, sizeof(tun_setup));
 
-	if (0 == core->i2c_rc) {
+	if (!core->i2c_rc) {
 		core->i2c_client.addr = 0xa0 >> 1;
 		tveeprom_read(&core->i2c_client, eeprom, sizeof(eeprom));
 	}
@@ -3426,17 +3422,17 @@ static void cx88_card_setup(struct cx88_core *core)
 	switch (core->boardnr) {
 	case CX88_BOARD_HAUPPAUGE:
 	case CX88_BOARD_HAUPPAUGE_ROSLYN:
-		if (0 == core->i2c_rc)
-			hauppauge_eeprom(core, eeprom+8);
+		if (!core->i2c_rc)
+			hauppauge_eeprom(core, eeprom + 8);
 		break;
 	case CX88_BOARD_GDI:
-		if (0 == core->i2c_rc)
+		if (!core->i2c_rc)
 			gdi_eeprom(core, eeprom);
 		break;
 	case CX88_BOARD_LEADTEK_PVR2000:
 	case CX88_BOARD_WINFAST_DV2000:
 	case CX88_BOARD_WINFAST2000XP_EXPERT:
-		if (0 == core->i2c_rc)
+		if (!core->i2c_rc)
 			leadtek_eeprom(core, eeprom);
 		break;
 	case CX88_BOARD_HAUPPAUGE_NOVASPLUS_S1:
@@ -3449,7 +3445,7 @@ static void cx88_card_setup(struct cx88_core *core)
 	case CX88_BOARD_HAUPPAUGE_HVR4000:
 	case CX88_BOARD_HAUPPAUGE_HVR4000LITE:
 	case CX88_BOARD_HAUPPAUGE_IRONLY:
-		if (0 == core->i2c_rc)
+		if (!core->i2c_rc)
 			hauppauge_eeprom(core, eeprom);
 		break;
 	case CX88_BOARD_KWORLD_DVBS_100:
@@ -3460,7 +3456,7 @@ static void cx88_card_setup(struct cx88_core *core)
 		/* GPIO0:0 is hooked to demod reset */
 		/* GPIO0:4 is hooked to xc3028 reset */
 		cx_write(MO_GP0_IO, 0x00111100);
-		msleep(1);
+		usleep_range(10000, 20000);
 		cx_write(MO_GP0_IO, 0x00111111);
 		break;
 	case CX88_BOARD_DVICO_FUSIONHDTV_DVB_T_DUAL:
@@ -3476,9 +3472,9 @@ static void cx88_card_setup(struct cx88_core *core)
 		/* GPIO0:0 is hooked to mt352 reset pin */
 		cx_set(MO_GP0_IO, 0x00000101);
 		cx_clear(MO_GP0_IO, 0x00000001);
-		msleep(1);
+		usleep_range(10000, 20000);
 		cx_set(MO_GP0_IO, 0x00000101);
-		if (0 == core->i2c_rc &&
+		if (!core->i2c_rc &&
 		    core->boardnr == CX88_BOARD_DVICO_FUSIONHDTV_DVB_T_HYBRID)
 			dvico_fusionhdtv_hybrid_init(core);
 		break;
@@ -3487,7 +3483,7 @@ static void cx88_card_setup(struct cx88_core *core)
 		cx_set(MO_GP0_IO, 0x00000707);
 		cx_set(MO_GP2_IO, 0x00000101);
 		cx_clear(MO_GP2_IO, 0x00000001);
-		msleep(1);
+		usleep_range(10000, 20000);
 		cx_clear(MO_GP0_IO, 0x00000007);
 		cx_set(MO_GP2_IO, 0x00000101);
 		break;
@@ -3495,23 +3491,23 @@ static void cx88_card_setup(struct cx88_core *core)
 		cx_write(MO_GP0_IO, 0x00080808);
 		break;
 	case CX88_BOARD_ATI_HDTVWONDER:
-		if (0 == core->i2c_rc) {
+		if (!core->i2c_rc) {
 			/* enable tuner */
 			int i;
-			static const u8 buffer [][2] = {
-				{0x10,0x12},
-				{0x13,0x04},
-				{0x16,0x00},
-				{0x14,0x04},
-				{0x17,0x00}
+			static const u8 buffer[][2] = {
+				{0x10, 0x12},
+				{0x13, 0x04},
+				{0x16, 0x00},
+				{0x14, 0x04},
+				{0x17, 0x00}
 			};
 			core->i2c_client.addr = 0x0a;
 
 			for (i = 0; i < ARRAY_SIZE(buffer); i++)
-				if (2 != i2c_master_send(&core->i2c_client,
-							buffer[i],2))
-					warn_printk(core, "Unable to enable "
-						    "tuner(%i).\n", i);
+				if (i2c_master_send(&core->i2c_client,
+						    buffer[i], 2) != 2)
+					pr_warn("Unable to enable tuner(%i).\n",
+						i);
 		}
 		break;
 	case CX88_BOARD_MSI_TVANYWHERE_MASTER:
@@ -3545,7 +3541,7 @@ static void cx88_card_setup(struct cx88_core *core)
 		cx_write(MO_GP0_IO, 0x8000);
 		msleep(100);
 		cx_write(MO_SRST_IO, 0);
-		msleep(10);
+		usleep_range(10000, 20000);
 		cx_write(MO_GP0_IO, 0x8080);
 		msleep(100);
 		cx_write(MO_SRST_IO, 1);
@@ -3553,9 +3549,8 @@ static void cx88_card_setup(struct cx88_core *core)
 		break;
 	} /*end switch() */
 
-
 	/* Setup tuners */
-	if ((core->board.radio_type != UNSET)) {
+	if (core->board.radio_type != UNSET) {
 		tun_setup.mode_mask      = T_RADIO;
 		tun_setup.type           = core->board.radio_type;
 		tun_setup.addr           = core->board.radio_addr;
@@ -3610,35 +3605,30 @@ static int cx88_pci_quirks(const char *name, struct pci_dev *pci)
 
 	/* check pci quirks */
 	if (pci_pci_problems & PCIPCI_TRITON) {
-		printk(KERN_INFO "%s: quirk: PCIPCI_TRITON -- set TBFX\n",
-		       name);
+		pr_info("quirk: PCIPCI_TRITON -- set TBFX\n");
 		ctrl |= CX88X_EN_TBFX;
 	}
 	if (pci_pci_problems & PCIPCI_NATOMA) {
-		printk(KERN_INFO "%s: quirk: PCIPCI_NATOMA -- set TBFX\n",
-		       name);
+		pr_info("quirk: PCIPCI_NATOMA -- set TBFX\n");
 		ctrl |= CX88X_EN_TBFX;
 	}
 	if (pci_pci_problems & PCIPCI_VIAETBF) {
-		printk(KERN_INFO "%s: quirk: PCIPCI_VIAETBF -- set TBFX\n",
-		       name);
+		pr_info("quirk: PCIPCI_VIAETBF -- set TBFX\n");
 		ctrl |= CX88X_EN_TBFX;
 	}
 	if (pci_pci_problems & PCIPCI_VSFX) {
-		printk(KERN_INFO "%s: quirk: PCIPCI_VSFX -- set VSFX\n",
-		       name);
+		pr_info("quirk: PCIPCI_VSFX -- set VSFX\n");
 		ctrl |= CX88X_EN_VSFX;
 	}
 #ifdef PCIPCI_ALIMAGIK
 	if (pci_pci_problems & PCIPCI_ALIMAGIK) {
-		printk(KERN_INFO "%s: quirk: PCIPCI_ALIMAGIK -- latency fixup\n",
-		       name);
+		pr_info("quirk: PCIPCI_ALIMAGIK -- latency fixup\n");
 		lat = 0x0A;
 	}
 #endif
 
 	/* check insmod options */
-	if (UNSET != latency)
+	if (latency != UNSET)
 		lat = latency;
 
 	/* apply stuff */
@@ -3647,9 +3637,8 @@ static int cx88_pci_quirks(const char *name, struct pci_dev *pci)
 		value |= ctrl;
 		pci_write_config_byte(pci, CX88X_DEVCTRL, value);
 	}
-	if (UNSET != lat) {
-		printk(KERN_INFO "%s: setting pci latency timer to %d\n",
-		       name, latency);
+	if (lat != UNSET) {
+		pr_info("setting pci latency timer to %d\n", latency);
 		pci_write_config_byte(pci, PCI_LATENCY_TIMER, latency);
 	}
 	return 0;
@@ -3657,27 +3646,28 @@ static int cx88_pci_quirks(const char *name, struct pci_dev *pci)
 
 int cx88_get_resources(const struct cx88_core *core, struct pci_dev *pci)
 {
-	if (request_mem_region(pci_resource_start(pci,0),
-			       pci_resource_len(pci,0),
+	if (request_mem_region(pci_resource_start(pci, 0),
+			       pci_resource_len(pci, 0),
 			       core->name))
 		return 0;
-	printk(KERN_ERR
-	       "%s/%d: Can't get MMIO memory @ 0x%llx, subsystem: %04x:%04x\n",
-	       core->name, PCI_FUNC(pci->devfn),
+	pr_err("func %d: Can't get MMIO memory @ 0x%llx, subsystem: %04x:%04x\n",
+	       PCI_FUNC(pci->devfn),
 	       (unsigned long long)pci_resource_start(pci, 0),
 	       pci->subsystem_vendor, pci->subsystem_device);
 	return -EBUSY;
 }
 
-/* Allocate and initialize the cx88 core struct.  One should hold the
- * devlist mutex before calling this.  */
+/*
+ * Allocate and initialize the cx88 core struct.  One should hold the
+ * devlist mutex before calling this.
+ */
 struct cx88_core *cx88_core_create(struct pci_dev *pci, int nr)
 {
 	struct cx88_core *core;
 	int i;
 
 	core = kzalloc(sizeof(*core), GFP_KERNEL);
-	if (core == NULL)
+	if (!core)
 		return NULL;
 
 	atomic_inc(&core->refcount);
@@ -3715,7 +3705,7 @@ struct cx88_core *cx88_core_create(struct pci_dev *pci, int nr)
 		return NULL;
 	}
 
-	if (0 != cx88_get_resources(core, pci)) {
+	if (cx88_get_resources(core, pci) != 0) {
 		v4l2_ctrl_handler_free(&core->video_hdl);
 		v4l2_ctrl_handler_free(&core->audio_hdl);
 		v4l2_device_unregister(&core->v4l2_dev);
@@ -3729,9 +3719,9 @@ struct cx88_core *cx88_core_create(struct pci_dev *pci, int nr)
 			      pci_resource_len(pci, 0));
 	core->bmmio = (u8 __iomem *)core->lmmio;
 
-	if (core->lmmio == NULL) {
+	if (!core->lmmio) {
 		release_mem_region(pci_resource_start(pci, 0),
-			   pci_resource_len(pci, 0));
+				   pci_resource_len(pci, 0));
 		v4l2_ctrl_handler_free(&core->video_hdl);
 		v4l2_ctrl_handler_free(&core->audio_hdl);
 		v4l2_device_unregister(&core->v4l2_dev);
@@ -3743,11 +3733,11 @@ struct cx88_core *cx88_core_create(struct pci_dev *pci, int nr)
 	core->boardnr = UNSET;
 	if (card[core->nr] < ARRAY_SIZE(cx88_boards))
 		core->boardnr = card[core->nr];
-	for (i = 0; UNSET == core->boardnr && i < ARRAY_SIZE(cx88_subids); i++)
+	for (i = 0; core->boardnr == UNSET && i < ARRAY_SIZE(cx88_subids); i++)
 		if (pci->subsystem_vendor == cx88_subids[i].subvendor &&
 		    pci->subsystem_device == cx88_subids[i].subdevice)
 			core->boardnr = cx88_subids[i].card;
-	if (UNSET == core->boardnr) {
+	if (core->boardnr == UNSET) {
 		core->boardnr = CX88_BOARD_UNKNOWN;
 		cx88_card_list(core, pci);
 	}
@@ -3757,7 +3747,7 @@ struct cx88_core *cx88_core_create(struct pci_dev *pci, int nr)
 	if (!core->board.num_frontends && (core->board.mpeg & CX88_MPEG_DVB))
 		core->board.num_frontends = 1;
 
-	info_printk(core, "subsystem: %04x:%04x, board: %s [card=%d,%s], frontend(s): %d\n",
+	pr_info("subsystem: %04x:%04x, board: %s [card=%d,%s], frontend(s): %d\n",
 		pci->subsystem_vendor, pci->subsystem_device, core->board.name,
 		core->boardnr, card[core->nr] == core->boardnr ?
 		"insmod option" : "autodetected",
@@ -3777,10 +3767,12 @@ struct cx88_core *cx88_core_create(struct pci_dev *pci, int nr)
 	cx88_i2c_init(core, pci);
 
 	/* load tuner module, if needed */
-	if (UNSET != core->board.tuner_type) {
-		/* Ignore 0x6b and 0x6f on cx88 boards.
+	if (core->board.tuner_type != UNSET) {
+		/*
+		 * Ignore 0x6b and 0x6f on cx88 boards.
 		 * FusionHDTV5 RT Gold has an ir receiver at 0x6b
-		 * and an RTC at 0x6f which can get corrupted if probed. */
+		 * and an RTC at 0x6f which can get corrupted if probed.
+		 */
 		static const unsigned short tv_addrs[] = {
 			0x42, 0x43, 0x4a, 0x4b,		/* tda8290 */
 			0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
@@ -3789,24 +3781,27 @@ struct cx88_core *cx88_core_create(struct pci_dev *pci, int nr)
 		};
 		int has_demod = (core->board.tda9887_conf & TDA9887_PRESENT);
 
-		/* I don't trust the radio_type as is stored in the card
-		   definitions, so we just probe for it.
-		   The radio_type is sometimes missing, or set to UNSET but
-		   later code configures a tea5767.
+		/*
+		 * I don't trust the radio_type as is stored in the card
+		 * definitions, so we just probe for it.
+		 * The radio_type is sometimes missing, or set to UNSET but
+		 * later code configures a tea5767.
 		 */
 		v4l2_i2c_new_subdev(&core->v4l2_dev, &core->i2c_adap,
-				"tuner", 0, v4l2_i2c_tuner_addrs(ADDRS_RADIO));
+				    "tuner", 0,
+				    v4l2_i2c_tuner_addrs(ADDRS_RADIO));
 		if (has_demod)
 			v4l2_i2c_new_subdev(&core->v4l2_dev,
-				&core->i2c_adap, "tuner",
+					    &core->i2c_adap, "tuner",
 				0, v4l2_i2c_tuner_addrs(ADDRS_DEMOD));
 		if (core->board.tuner_addr == ADDR_UNSET) {
 			v4l2_i2c_new_subdev(&core->v4l2_dev,
-				&core->i2c_adap, "tuner",
+					    &core->i2c_adap, "tuner",
 				0, has_demod ? tv_addrs + 4 : tv_addrs);
 		} else {
 			v4l2_i2c_new_subdev(&core->v4l2_dev, &core->i2c_adap,
-				"tuner", core->board.tuner_addr, NULL);
+					    "tuner", core->board.tuner_addr,
+					    NULL);
 		}
 	}
 
diff --git a/drivers/media/pci/cx88/cx88-core.c b/drivers/media/pci/cx88/cx88-core.c
index 46fe8c1eb9d4..973a9cd4c635 100644
--- a/drivers/media/pci/cx88/cx88-core.c
+++ b/drivers/media/pci/cx88/cx88-core.c
@@ -1,5 +1,4 @@
 /*
- *
  * device driver for Conexant 2388x based TV cards
  * driver core
  *
@@ -19,12 +18,10 @@
  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with this program; if not, write to the Free Software
- *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
 
+#include "cx88.h"
+
 #include <linux/init.h>
 #include <linux/list.h>
 #include <linux/module.h>
@@ -38,7 +35,6 @@
 #include <linux/videodev2.h>
 #include <linux/mutex.h>
 
-#include "cx88.h"
 #include <media/v4l2-common.h>
 #include <media/v4l2-ioctl.h>
 
@@ -53,17 +49,22 @@ module_param_named(core_debug, cx88_core_debug, int, 0644);
 MODULE_PARM_DESC(core_debug, "enable debug messages [core]");
 
 static unsigned int nicam;
-module_param(nicam,int,0644);
-MODULE_PARM_DESC(nicam,"tv audio is nicam");
+module_param(nicam, int, 0644);
+MODULE_PARM_DESC(nicam, "tv audio is nicam");
 
 static unsigned int nocomb;
-module_param(nocomb,int,0644);
-MODULE_PARM_DESC(nocomb,"disable comb filter");
+module_param(nocomb, int, 0644);
+MODULE_PARM_DESC(nocomb, "disable comb filter");
+
+#define dprintk0(fmt, arg...)				\
+	printk(KERN_DEBUG pr_fmt("%s: core:" fmt),	\
+		__func__, ##arg)			\
 
-#define dprintk(level,fmt, arg...)	do {				\
-	if (cx88_core_debug >= level)					\
-		printk(KERN_DEBUG "%s: " fmt, core->name , ## arg);	\
-	} while(0)
+#define dprintk(level, fmt, arg...)	do {			\
+	if (cx88_core_debug >= level)				\
+		printk(KERN_DEBUG pr_fmt("%s: core:" fmt),	\
+		       __func__, ##arg);			\
+} while (0)
 
 static unsigned int cx88_devcount;
 static LIST_HEAD(cx88_devlist);
@@ -71,15 +72,17 @@ static DEFINE_MUTEX(devlist);
 
 #define NO_SYNC_LINE (-1U)
 
-/* @lpi: lines per IRQ, or 0 to not generate irqs. Note: IRQ to be
-	 generated _after_ lpi lines are transferred. */
-static __le32* cx88_risc_field(__le32 *rp, struct scatterlist *sglist,
-			    unsigned int offset, u32 sync_line,
-			    unsigned int bpl, unsigned int padding,
-			    unsigned int lines, unsigned int lpi, bool jump)
+/*
+ * @lpi: lines per IRQ, or 0 to not generate irqs. Note: IRQ to be
+ * generated _after_ lpi lines are transferred.
+ */
+static __le32 *cx88_risc_field(__le32 *rp, struct scatterlist *sglist,
+			       unsigned int offset, u32 sync_line,
+			       unsigned int bpl, unsigned int padding,
+			       unsigned int lines, unsigned int lpi, bool jump)
 {
 	struct scatterlist *sg;
-	unsigned int line,todo,sol;
+	unsigned int line, todo, sol;
 
 	if (jump) {
 		(*rp++) = cpu_to_le32(RISC_JUMP);
@@ -97,33 +100,34 @@ static __le32* cx88_risc_field(__le32 *rp, struct scatterlist *sglist,
 			offset -= sg_dma_len(sg);
 			sg = sg_next(sg);
 		}
-		if (lpi && line>0 && !(line % lpi))
+		if (lpi && line > 0 && !(line % lpi))
 			sol = RISC_SOL | RISC_IRQ1 | RISC_CNT_INC;
 		else
 			sol = RISC_SOL;
-		if (bpl <= sg_dma_len(sg)-offset) {
+		if (bpl <= sg_dma_len(sg) - offset) {
 			/* fits into current chunk */
-			*(rp++)=cpu_to_le32(RISC_WRITE|sol|RISC_EOL|bpl);
-			*(rp++)=cpu_to_le32(sg_dma_address(sg)+offset);
-			offset+=bpl;
+			*(rp++) = cpu_to_le32(RISC_WRITE | sol |
+					      RISC_EOL | bpl);
+			*(rp++) = cpu_to_le32(sg_dma_address(sg) + offset);
+			offset += bpl;
 		} else {
 			/* scanline needs to be split */
 			todo = bpl;
-			*(rp++)=cpu_to_le32(RISC_WRITE|sol|
-					    (sg_dma_len(sg)-offset));
-			*(rp++)=cpu_to_le32(sg_dma_address(sg)+offset);
-			todo -= (sg_dma_len(sg)-offset);
+			*(rp++) = cpu_to_le32(RISC_WRITE | sol |
+					      (sg_dma_len(sg) - offset));
+			*(rp++) = cpu_to_le32(sg_dma_address(sg) + offset);
+			todo -= (sg_dma_len(sg) - offset);
 			offset = 0;
 			sg = sg_next(sg);
 			while (todo > sg_dma_len(sg)) {
-				*(rp++)=cpu_to_le32(RISC_WRITE|
-						    sg_dma_len(sg));
-				*(rp++)=cpu_to_le32(sg_dma_address(sg));
+				*(rp++) = cpu_to_le32(RISC_WRITE |
+						      sg_dma_len(sg));
+				*(rp++) = cpu_to_le32(sg_dma_address(sg));
 				todo -= sg_dma_len(sg);
 				sg = sg_next(sg);
 			}
-			*(rp++)=cpu_to_le32(RISC_WRITE|RISC_EOL|todo);
-			*(rp++)=cpu_to_le32(sg_dma_address(sg));
+			*(rp++) = cpu_to_le32(RISC_WRITE | RISC_EOL | todo);
+			*(rp++) = cpu_to_le32(sg_dma_address(sg));
 			offset += todo;
 		}
 		offset += padding;
@@ -137,41 +141,46 @@ int cx88_risc_buffer(struct pci_dev *pci, struct cx88_riscmem *risc,
 		     unsigned int top_offset, unsigned int bottom_offset,
 		     unsigned int bpl, unsigned int padding, unsigned int lines)
 {
-	u32 instructions,fields;
+	u32 instructions, fields;
 	__le32 *rp;
 
 	fields = 0;
-	if (UNSET != top_offset)
+	if (top_offset != UNSET)
 		fields++;
-	if (UNSET != bottom_offset)
+	if (bottom_offset != UNSET)
 		fields++;
 
-	/* estimate risc mem: worst case is one write per page border +
-	   one write per scan line + syncs + jump (all 2 dwords).  Padding
-	   can cause next bpl to start close to a page border.  First DMA
-	   region may be smaller than PAGE_SIZE */
-	instructions  = fields * (1 + ((bpl + padding) * lines) / PAGE_SIZE + lines);
+	/*
+	 * estimate risc mem: worst case is one write per page border +
+	 * one write per scan line + syncs + jump (all 2 dwords).  Padding
+	 * can cause next bpl to start close to a page border.  First DMA
+	 * region may be smaller than PAGE_SIZE
+	 */
+	instructions  = fields * (1 + ((bpl + padding) * lines) /
+				  PAGE_SIZE + lines);
 	instructions += 4;
 	risc->size = instructions * 8;
 	risc->dma = 0;
 	risc->cpu = pci_zalloc_consistent(pci, risc->size, &risc->dma);
-	if (NULL == risc->cpu)
+	if (!risc->cpu)
 		return -ENOMEM;
 
 	/* write risc instructions */
 	rp = risc->cpu;
-	if (UNSET != top_offset)
+	if (top_offset != UNSET)
 		rp = cx88_risc_field(rp, sglist, top_offset, 0,
 				     bpl, padding, lines, 0, true);
-	if (UNSET != bottom_offset)
+	if (bottom_offset != UNSET)
 		rp = cx88_risc_field(rp, sglist, bottom_offset, 0x200,
-				     bpl, padding, lines, 0, top_offset == UNSET);
+				     bpl, padding, lines, 0,
+				     top_offset == UNSET);
 
 	/* save pointer to jmp instruction address */
 	risc->jmp = rp;
-	BUG_ON((risc->jmp - risc->cpu + 2) * sizeof (*risc->cpu) > risc->size);
+	WARN_ON((risc->jmp - risc->cpu + 2) * sizeof(*risc->cpu) > risc->size);
 	return 0;
 }
+EXPORT_SYMBOL(cx88_risc_buffer);
 
 int cx88_risc_databuffer(struct pci_dev *pci, struct cx88_riscmem *risc,
 			 struct scatterlist *sglist, unsigned int bpl,
@@ -180,32 +189,38 @@ int cx88_risc_databuffer(struct pci_dev *pci, struct cx88_riscmem *risc,
 	u32 instructions;
 	__le32 *rp;
 
-	/* estimate risc mem: worst case is one write per page border +
-	   one write per scan line + syncs + jump (all 2 dwords).  Here
-	   there is no padding and no sync.  First DMA region may be smaller
-	   than PAGE_SIZE */
+	/*
+	 * estimate risc mem: worst case is one write per page border +
+	 * one write per scan line + syncs + jump (all 2 dwords).  Here
+	 * there is no padding and no sync.  First DMA region may be smaller
+	 * than PAGE_SIZE
+	 */
 	instructions  = 1 + (bpl * lines) / PAGE_SIZE + lines;
 	instructions += 3;
 	risc->size = instructions * 8;
 	risc->dma = 0;
 	risc->cpu = pci_zalloc_consistent(pci, risc->size, &risc->dma);
-	if (NULL == risc->cpu)
+	if (!risc->cpu)
 		return -ENOMEM;
 
 	/* write risc instructions */
 	rp = risc->cpu;
-	rp = cx88_risc_field(rp, sglist, 0, NO_SYNC_LINE, bpl, 0, lines, lpi, !lpi);
+	rp = cx88_risc_field(rp, sglist, 0, NO_SYNC_LINE, bpl, 0,
+			     lines, lpi, !lpi);
 
 	/* save pointer to jmp instruction address */
 	risc->jmp = rp;
-	BUG_ON((risc->jmp - risc->cpu + 2) * sizeof (*risc->cpu) > risc->size);
+	WARN_ON((risc->jmp - risc->cpu + 2) * sizeof(*risc->cpu) > risc->size);
 	return 0;
 }
+EXPORT_SYMBOL(cx88_risc_databuffer);
 
-/* ------------------------------------------------------------------ */
-/* our SRAM memory layout                                             */
+/*
+ * our SRAM memory layout
+ */
 
-/* we are going to put all thr risc programs into host memory, so we
+/*
+ * we are going to put all thr risc programs into host memory, so we
  * can use the whole SDRAM for the DMA fifos.  To simplify things, we
  * use a static memory layout.  That surely will waste memory in case
  * we don't use all DMA channels at the same time (which will be the
@@ -329,12 +344,13 @@ const struct sram_channel cx88_sram_channels[] = {
 		.cnt2_reg   = MO_DMA27_CNT2,
 	},
 };
+EXPORT_SYMBOL(cx88_sram_channels);
 
 int cx88_sram_channel_setup(struct cx88_core *core,
 			    const struct sram_channel *ch,
 			    unsigned int bpl, u32 risc)
 {
-	unsigned int i,lines;
+	unsigned int i, lines;
 	u32 cdt;
 
 	bpl   = (bpl + 7) & ~7; /* alignment */
@@ -342,16 +358,16 @@ int cx88_sram_channel_setup(struct cx88_core *core,
 	lines = ch->fifo_size / bpl;
 	if (lines > 6)
 		lines = 6;
-	BUG_ON(lines < 2);
+	WARN_ON(lines < 2);
 
 	/* write CDT */
 	for (i = 0; i < lines; i++)
-		cx_write(cdt + 16*i, ch->fifo_start + bpl*i);
+		cx_write(cdt + 16 * i, ch->fifo_start + bpl * i);
 
 	/* write CMDS */
 	cx_write(ch->cmds_start +  0, risc);
 	cx_write(ch->cmds_start +  4, cdt);
-	cx_write(ch->cmds_start +  8, (lines*16) >> 3);
+	cx_write(ch->cmds_start +  8, (lines * 16) >> 3);
 	cx_write(ch->cmds_start + 12, ch->ctrl_start);
 	cx_write(ch->cmds_start + 16, 64 >> 2);
 	for (i = 20; i < 64; i += 4)
@@ -360,12 +376,13 @@ int cx88_sram_channel_setup(struct cx88_core *core,
 	/* fill registers */
 	cx_write(ch->ptr1_reg, ch->fifo_start);
 	cx_write(ch->ptr2_reg, cdt);
-	cx_write(ch->cnt1_reg, (bpl >> 3) -1);
-	cx_write(ch->cnt2_reg, (lines*16) >> 3);
+	cx_write(ch->cnt1_reg, (bpl >> 3) - 1);
+	cx_write(ch->cnt2_reg, (lines * 16) >> 3);
 
-	dprintk(2,"sram setup %s: bpl=%d lines=%d\n", ch->name, bpl, lines);
+	dprintk(2, "sram setup %s: bpl=%d lines=%d\n", ch->name, bpl, lines);
 	return 0;
 }
+EXPORT_SYMBOL(cx88_sram_channel_setup);
 
 /* ------------------------------------------------------------------ */
 /* debug helper code                                                  */
@@ -373,23 +390,23 @@ int cx88_sram_channel_setup(struct cx88_core *core,
 static int cx88_risc_decode(u32 risc)
 {
 	static const char * const instr[16] = {
-		[ RISC_SYNC    >> 28 ] = "sync",
-		[ RISC_WRITE   >> 28 ] = "write",
-		[ RISC_WRITEC  >> 28 ] = "writec",
-		[ RISC_READ    >> 28 ] = "read",
-		[ RISC_READC   >> 28 ] = "readc",
-		[ RISC_JUMP    >> 28 ] = "jump",
-		[ RISC_SKIP    >> 28 ] = "skip",
-		[ RISC_WRITERM >> 28 ] = "writerm",
-		[ RISC_WRITECM >> 28 ] = "writecm",
-		[ RISC_WRITECR >> 28 ] = "writecr",
+		[RISC_SYNC    >> 28] = "sync",
+		[RISC_WRITE   >> 28] = "write",
+		[RISC_WRITEC  >> 28] = "writec",
+		[RISC_READ    >> 28] = "read",
+		[RISC_READC   >> 28] = "readc",
+		[RISC_JUMP    >> 28] = "jump",
+		[RISC_SKIP    >> 28] = "skip",
+		[RISC_WRITERM >> 28] = "writerm",
+		[RISC_WRITECM >> 28] = "writecm",
+		[RISC_WRITECR >> 28] = "writecr",
 	};
 	static int const incr[16] = {
-		[ RISC_WRITE   >> 28 ] = 2,
-		[ RISC_JUMP    >> 28 ] = 2,
-		[ RISC_WRITERM >> 28 ] = 3,
-		[ RISC_WRITECM >> 28 ] = 3,
-		[ RISC_WRITECR >> 28 ] = 4,
+		[RISC_WRITE   >> 28] = 2,
+		[RISC_JUMP    >> 28] = 2,
+		[RISC_WRITERM >> 28] = 3,
+		[RISC_WRITECM >> 28] = 3,
+		[RISC_WRITECR >> 28] = 4,
 	};
 	static const char * const bits[] = {
 		"12",   "13",   "14",   "resync",
@@ -399,16 +416,15 @@ static int cx88_risc_decode(u32 risc)
 	};
 	int i;
 
-	printk("0x%08x [ %s", risc,
-	       instr[risc >> 28] ? instr[risc >> 28] : "INVALID");
-	for (i = ARRAY_SIZE(bits)-1; i >= 0; i--)
+	dprintk0("0x%08x [ %s", risc,
+		 instr[risc >> 28] ? instr[risc >> 28] : "INVALID");
+	for (i = ARRAY_SIZE(bits) - 1; i >= 0; i--)
 		if (risc & (1 << (i + 12)))
-			printk(" %s",bits[i]);
-	printk(" count=%d ]\n", risc & 0xfff);
+			pr_cont(" %s", bits[i]);
+	pr_cont(" count=%d ]\n", risc & 0xfff);
 	return incr[risc >> 28] ? incr[risc >> 28] : 1;
 }
 
-
 void cx88_sram_channel_dump(struct cx88_core *core,
 			    const struct sram_channel *ch)
 {
@@ -426,46 +442,41 @@ void cx88_sram_channel_dump(struct cx88_core *core,
 		"line / byte",
 	};
 	u32 risc;
-	unsigned int i,j,n;
+	unsigned int i, j, n;
 
-	printk("%s: %s - dma channel status dump\n",
-	       core->name,ch->name);
+	dprintk0("%s - dma channel status dump\n", ch->name);
 	for (i = 0; i < ARRAY_SIZE(name); i++)
-		printk("%s:   cmds: %-12s: 0x%08x\n",
-		       core->name,name[i],
-		       cx_read(ch->cmds_start + 4*i));
+		dprintk0("   cmds: %-12s: 0x%08x\n",
+			 name[i], cx_read(ch->cmds_start + 4 * i));
 	for (n = 1, i = 0; i < 4; i++) {
-		risc = cx_read(ch->cmds_start + 4 * (i+11));
-		printk("%s:   risc%d: ", core->name, i);
+		risc = cx_read(ch->cmds_start + 4 * (i + 11));
+		pr_cont("  risc%d: ", i);
 		if (--n)
-			printk("0x%08x [ arg #%d ]\n", risc, n);
+			pr_cont("0x%08x [ arg #%d ]\n", risc, n);
 		else
 			n = cx88_risc_decode(risc);
 	}
 	for (i = 0; i < 16; i += n) {
 		risc = cx_read(ch->ctrl_start + 4 * i);
-		printk("%s:   iq %x: ", core->name, i);
+		dprintk0("  iq %x: ", i);
 		n = cx88_risc_decode(risc);
 		for (j = 1; j < n; j++) {
-			risc = cx_read(ch->ctrl_start + 4 * (i+j));
-			printk("%s:   iq %x: 0x%08x [ arg #%d ]\n",
-			       core->name, i+j, risc, j);
+			risc = cx_read(ch->ctrl_start + 4 * (i + j));
+			pr_cont("  iq %x: 0x%08x [ arg #%d ]\n",
+				i + j, risc, j);
 		}
 	}
 
-	printk("%s: fifo: 0x%08x -> 0x%x\n",
-	       core->name, ch->fifo_start, ch->fifo_start+ch->fifo_size);
-	printk("%s: ctrl: 0x%08x -> 0x%x\n",
-	       core->name, ch->ctrl_start, ch->ctrl_start+6*16);
-	printk("%s:   ptr1_reg: 0x%08x\n",
-	       core->name,cx_read(ch->ptr1_reg));
-	printk("%s:   ptr2_reg: 0x%08x\n",
-	       core->name,cx_read(ch->ptr2_reg));
-	printk("%s:   cnt1_reg: 0x%08x\n",
-	       core->name,cx_read(ch->cnt1_reg));
-	printk("%s:   cnt2_reg: 0x%08x\n",
-	       core->name,cx_read(ch->cnt2_reg));
+	dprintk0("fifo: 0x%08x -> 0x%x\n",
+		 ch->fifo_start, ch->fifo_start + ch->fifo_size);
+	dprintk0("ctrl: 0x%08x -> 0x%x\n",
+		 ch->ctrl_start, ch->ctrl_start + 6 * 16);
+	dprintk0("  ptr1_reg: 0x%08x\n", cx_read(ch->ptr1_reg));
+	dprintk0("  ptr2_reg: 0x%08x\n", cx_read(ch->ptr2_reg));
+	dprintk0("  cnt1_reg: 0x%08x\n", cx_read(ch->cnt1_reg));
+	dprintk0("  cnt2_reg: 0x%08x\n", cx_read(ch->cnt2_reg));
 }
+EXPORT_SYMBOL(cx88_sram_channel_dump);
 
 static const char *cx88_pci_irqs[32] = {
 	"vid", "aud", "ts", "vip", "hst", "5", "6", "tm1",
@@ -474,25 +485,26 @@ static const char *cx88_pci_irqs[32] = {
 	"i2c", "i2c_rack", "ir_smp", "gpio0", "gpio1"
 };
 
-void cx88_print_irqbits(const char *name, const char *tag, const char *strings[],
+void cx88_print_irqbits(const char *tag, const char *strings[],
 			int len, u32 bits, u32 mask)
 {
 	unsigned int i;
 
-	printk(KERN_DEBUG "%s: %s [0x%x]", name, tag, bits);
+	dprintk0("%s [0x%x]", tag, bits);
 	for (i = 0; i < len; i++) {
 		if (!(bits & (1 << i)))
 			continue;
 		if (strings[i])
-			printk(" %s", strings[i]);
+			pr_cont(" %s", strings[i]);
 		else
-			printk(" %d", i);
+			pr_cont(" %d", i);
 		if (!(mask & (1 << i)))
 			continue;
-		printk("*");
+		pr_cont("*");
 	}
-	printk("\n");
+	pr_cont("\n");
 }
+EXPORT_SYMBOL(cx88_print_irqbits);
 
 /* ------------------------------------------------------------------ */
 
@@ -505,11 +517,12 @@ int cx88_core_irq(struct cx88_core *core, u32 status)
 		handled++;
 	}
 	if (!handled)
-		cx88_print_irqbits(core->name, "irq pci",
+		cx88_print_irqbits("irq pci",
 				   cx88_pci_irqs, ARRAY_SIZE(cx88_pci_irqs),
 				   status, core->pci_irqmask);
 	return handled;
 }
+EXPORT_SYMBOL(cx88_core_irq);
 
 void cx88_wakeup(struct cx88_core *core,
 		 struct cx88_dmaqueue *q, u32 count)
@@ -524,6 +537,7 @@ void cx88_wakeup(struct cx88_core *core,
 	list_del(&buf->list);
 	vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_DONE);
 }
+EXPORT_SYMBOL(cx88_wakeup);
 
 void cx88_shutdown(struct cx88_core *core)
 {
@@ -548,10 +562,11 @@ void cx88_shutdown(struct cx88_core *core)
 	/* stop capturing */
 	cx_write(VID_CAPTURE_CONTROL, 0);
 }
+EXPORT_SYMBOL(cx88_shutdown);
 
 int cx88_reset(struct cx88_core *core)
 {
-	dprintk(1,"%s\n",__func__);
+	dprintk(1, "");
 	cx88_shutdown(core);
 
 	/* clear irq status */
@@ -563,13 +578,15 @@ int cx88_reset(struct cx88_core *core)
 	msleep(100);
 
 	/* init sram */
-	cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH21], 720*4, 0);
+	cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH21],
+				720 * 4, 0);
 	cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH22], 128, 0);
 	cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH23], 128, 0);
 	cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH24], 128, 0);
 	cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH25], 128, 0);
 	cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH26], 128, 0);
-	cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH28], 188*4, 0);
+	cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH28],
+				188 * 4, 0);
 	cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH27], 128, 0);
 
 	/* misc init ... */
@@ -597,11 +614,12 @@ int cx88_reset(struct cx88_core *core)
 
 	/* Reset on-board parts */
 	cx_write(MO_SRST_IO, 0);
-	msleep(10);
+	usleep_range(10000, 20000);
 	cx_write(MO_SRST_IO, 1);
 
 	return 0;
 }
+EXPORT_SYMBOL(cx88_reset);
 
 /* ------------------------------------------------------------------ */
 
@@ -631,10 +649,11 @@ static inline unsigned int norm_fsc8(v4l2_std_id norm)
 	if (norm & V4L2_STD_NTSC) // All NTSC/M and variants
 		return 28636360;      // 3.57954545 MHz +/- 10 Hz
 
-	/* SECAM have also different sub carrier for chroma,
-	   but step_db and step_dr, at cx88_set_tvnorm already handles that.
-
-	   The same FSC applies to PAL/BGDKIH, PAL/60, NTSC/4.43 and PAL/N
+	/*
+	 * SECAM have also different sub carrier for chroma,
+	 * but step_db and step_dr, at cx88_set_tvnorm already handles that.
+	 *
+	 * The same FSC applies to PAL/BGDKIH, PAL/60, NTSC/4.43 and PAL/N
 	 */
 
 	return 35468950;      // 4.43361875 MHz +/- 5 Hz
@@ -642,13 +661,12 @@ static inline unsigned int norm_fsc8(v4l2_std_id norm)
 
 static inline unsigned int norm_htotal(v4l2_std_id norm)
 {
-
-	unsigned int fsc4=norm_fsc8(norm)/2;
+	unsigned int fsc4 = norm_fsc8(norm) / 2;
 
 	/* returns 4*FSC / vtotal / frames per seconds */
 	return (norm & V4L2_STD_625_50) ?
-				((fsc4+312)/625+12)/25 :
-				((fsc4+262)/525*1001+15000)/30000;
+				((fsc4 + 312) / 625 + 12) / 25 :
+				((fsc4 + 262) / 525 * 1001 + 15000) / 30000;
 }
 
 static inline unsigned int norm_vbipack(v4l2_std_id norm)
@@ -656,14 +674,14 @@ static inline unsigned int norm_vbipack(v4l2_std_id norm)
 	return (norm & V4L2_STD_625_50) ? 511 : 400;
 }
 
-int cx88_set_scale(struct cx88_core *core, unsigned int width, unsigned int height,
-		   enum v4l2_field field)
+int cx88_set_scale(struct cx88_core *core, unsigned int width,
+		   unsigned int height, enum v4l2_field field)
 {
 	unsigned int swidth  = norm_swidth(core->tvnorm);
 	unsigned int sheight = norm_maxh(core->tvnorm);
 	u32 value;
 
-	dprintk(1,"set_scale: %dx%d [%s%s,%s]\n", width, height,
+	dprintk(1, "set_scale: %dx%d [%s%s,%s]\n", width, height,
 		V4L2_FIELD_HAS_TOP(field)    ? "T" : "",
 		V4L2_FIELD_HAS_BOTTOM(field) ? "B" : "",
 		v4l2_norm_to_name(core->tvnorm));
@@ -675,30 +693,30 @@ int cx88_set_scale(struct cx88_core *core, unsigned int width, unsigned int heig
 	value &= 0x3fe;
 	cx_write(MO_HDELAY_EVEN,  value);
 	cx_write(MO_HDELAY_ODD,   value);
-	dprintk(1,"set_scale: hdelay  0x%04x (width %d)\n", value,swidth);
+	dprintk(1, "set_scale: hdelay  0x%04x (width %d)\n", value, swidth);
 
 	value = (swidth * 4096 / width) - 4096;
 	cx_write(MO_HSCALE_EVEN,  value);
 	cx_write(MO_HSCALE_ODD,   value);
-	dprintk(1,"set_scale: hscale  0x%04x\n", value);
+	dprintk(1, "set_scale: hscale  0x%04x\n", value);
 
 	cx_write(MO_HACTIVE_EVEN, width);
 	cx_write(MO_HACTIVE_ODD,  width);
-	dprintk(1,"set_scale: hactive 0x%04x\n", width);
+	dprintk(1, "set_scale: hactive 0x%04x\n", width);
 
 	// recalc V scale Register (delay is constant)
 	cx_write(MO_VDELAY_EVEN, norm_vdelay(core->tvnorm));
 	cx_write(MO_VDELAY_ODD,  norm_vdelay(core->tvnorm));
-	dprintk(1,"set_scale: vdelay  0x%04x\n", norm_vdelay(core->tvnorm));
+	dprintk(1, "set_scale: vdelay  0x%04x\n", norm_vdelay(core->tvnorm));
 
 	value = (0x10000 - (sheight * 512 / height - 512)) & 0x1fff;
 	cx_write(MO_VSCALE_EVEN,  value);
 	cx_write(MO_VSCALE_ODD,   value);
-	dprintk(1,"set_scale: vscale  0x%04x\n", value);
+	dprintk(1, "set_scale: vscale  0x%04x\n", value);
 
 	cx_write(MO_VACTIVE_EVEN, sheight);
 	cx_write(MO_VACTIVE_ODD,  sheight);
-	dprintk(1,"set_scale: vactive 0x%04x\n", sheight);
+	dprintk(1, "set_scale: vactive 0x%04x\n", sheight);
 
 	// setup filters
 	value = 0;
@@ -709,7 +727,7 @@ int cx88_set_scale(struct cx88_core *core, unsigned int width, unsigned int heig
 	}
 	if (INPUT(core->input).type == CX88_VMUX_SVIDEO)
 		value |= (1 << 13) | (1 << 5);
-	if (V4L2_FIELD_INTERLACED == field)
+	if (field == V4L2_FIELD_INTERLACED)
 		value |= (1 << 3); // VINT (interlaced vertical scaling)
 	if (width < 385)
 		value |= (1 << 0); // 3-tap interpolation
@@ -720,10 +738,11 @@ int cx88_set_scale(struct cx88_core *core, unsigned int width, unsigned int heig
 
 	cx_andor(MO_FILTER_EVEN,  0x7ffc7f, value); /* preserve PEAKEN, PSEL */
 	cx_andor(MO_FILTER_ODD,   0x7ffc7f, value);
-	dprintk(1,"set_scale: filter  0x%04x\n", value);
+	dprintk(1, "set_scale: filter  0x%04x\n", value);
 
 	return 0;
 }
+EXPORT_SYMBOL(cx88_set_scale);
 
 static const u32 xtal = 28636363;
 
@@ -740,36 +759,36 @@ static int set_pll(struct cx88_core *core, int prescale, u32 ofreq)
 		prescale = 5;
 
 	pll = ofreq * 8 * prescale * (u64)(1 << 20);
-	do_div(pll,xtal);
+	do_div(pll, xtal);
 	reg = (pll & 0x3ffffff) | (pre[prescale] << 26);
 	if (((reg >> 20) & 0x3f) < 14) {
-		printk("%s/0: pll out of range\n",core->name);
+		pr_err("pll out of range\n");
 		return -1;
 	}
 
-	dprintk(1,"set_pll:    MO_PLL_REG       0x%08x [old=0x%08x,freq=%d]\n",
+	dprintk(1, "set_pll:    MO_PLL_REG       0x%08x [old=0x%08x,freq=%d]\n",
 		reg, cx_read(MO_PLL_REG), ofreq);
 	cx_write(MO_PLL_REG, reg);
 	for (i = 0; i < 100; i++) {
 		reg = cx_read(MO_DEVICE_STATUS);
-		if (reg & (1<<2)) {
-			dprintk(1,"pll locked [pre=%d,ofreq=%d]\n",
-				prescale,ofreq);
+		if (reg & (1 << 2)) {
+			dprintk(1, "pll locked [pre=%d,ofreq=%d]\n",
+				prescale, ofreq);
 			return 0;
 		}
-		dprintk(1,"pll not locked yet, waiting ...\n");
-		msleep(10);
+		dprintk(1, "pll not locked yet, waiting ...\n");
+		usleep_range(10000, 20000);
 	}
-	dprintk(1,"pll NOT locked [pre=%d,ofreq=%d]\n",prescale,ofreq);
+	dprintk(1, "pll NOT locked [pre=%d,ofreq=%d]\n", prescale, ofreq);
 	return -1;
 }
 
 int cx88_start_audio_dma(struct cx88_core *core)
 {
 	/* constant 128 made buzz in analog Nicam-stereo for bigger fifo_size */
-	int bpl = cx88_sram_channels[SRAM_CH25].fifo_size/4;
+	int bpl = cx88_sram_channels[SRAM_CH25].fifo_size / 4;
 
-	int rds_bpl = cx88_sram_channels[SRAM_CH27].fifo_size/AUD_RDS_LINES;
+	int rds_bpl = cx88_sram_channels[SRAM_CH27].fifo_size / AUD_RDS_LINES;
 
 	/* If downstream RISC is enabled, bail out; ALSA is managing DMA */
 	if (cx_read(MO_AUD_DMACNTRL) & 0x10)
@@ -806,8 +825,8 @@ static int set_tvaudio(struct cx88_core *core)
 {
 	v4l2_std_id norm = core->tvnorm;
 
-	if (CX88_VMUX_TELEVISION != INPUT(core->input).type &&
-	    CX88_VMUX_CABLE != INPUT(core->input).type)
+	if (INPUT(core->input).type != CX88_VMUX_TELEVISION &&
+	    INPUT(core->input).type != CX88_VMUX_CABLE)
 		return 0;
 
 	if (V4L2_STD_PAL_BG & norm) {
@@ -822,7 +841,8 @@ static int set_tvaudio(struct cx88_core *core)
 	} else if (V4L2_STD_SECAM_L & norm) {
 		core->tvaudio = WW_L;
 
-	} else if ((V4L2_STD_SECAM_B | V4L2_STD_SECAM_G | V4L2_STD_SECAM_H) & norm) {
+	} else if ((V4L2_STD_SECAM_B | V4L2_STD_SECAM_G | V4L2_STD_SECAM_H) &
+		   norm) {
 		core->tvaudio = WW_BG;
 
 	} else if (V4L2_STD_SECAM_DK & norm) {
@@ -836,8 +856,8 @@ static int set_tvaudio(struct cx88_core *core)
 		core->tvaudio = WW_EIAJ;
 
 	} else {
-		printk("%s/0: tvaudio support needs work for this tv norm [%s], sorry\n",
-		       core->name, v4l2_norm_to_name(core->tvnorm));
+		pr_info("tvaudio support needs work for this tv norm [%s], sorry\n",
+			v4l2_norm_to_name(core->tvnorm));
 		core->tvaudio = WW_NONE;
 		return 0;
 	}
@@ -847,23 +867,21 @@ static int set_tvaudio(struct cx88_core *core)
 	/* cx88_set_stereo(dev,V4L2_TUNER_MODE_STEREO); */
 
 /*
-   This should be needed only on cx88-alsa. It seems that some cx88 chips have
-   bugs and does require DMA enabled for it to work.
+ * This should be needed only on cx88-alsa. It seems that some cx88 chips have
+ * bugs and does require DMA enabled for it to work.
  */
 	cx88_start_audio_dma(core);
 	return 0;
 }
 
-
-
 int cx88_set_tvnorm(struct cx88_core *core, v4l2_std_id norm)
 {
 	u32 fsc8;
 	u32 adc_clock;
 	u32 vdec_clock;
-	u32 step_db,step_dr;
+	u32 step_db, step_dr;
 	u64 tmp64;
-	u32 bdelay,agcdelay,htotal;
+	u32 bdelay, agcdelay, htotal;
 	u32 cxiformat, cxoformat;
 
 	if (norm == core->tvnorm)
@@ -912,62 +930,67 @@ int cx88_set_tvnorm(struct cx88_core *core, v4l2_std_id norm)
 		cxoformat = 0x181f0008;
 	}
 
-	dprintk(1,"set_tvnorm: \"%s\" fsc8=%d adc=%d vdec=%d db/dr=%d/%d\n",
+	dprintk(1, "set_tvnorm: \"%s\" fsc8=%d adc=%d vdec=%d db/dr=%d/%d\n",
 		v4l2_norm_to_name(core->tvnorm), fsc8, adc_clock, vdec_clock,
 		step_db, step_dr);
-	set_pll(core,2,vdec_clock);
+	set_pll(core, 2, vdec_clock);
 
-	dprintk(1,"set_tvnorm: MO_INPUT_FORMAT  0x%08x [old=0x%08x]\n",
+	dprintk(1, "set_tvnorm: MO_INPUT_FORMAT  0x%08x [old=0x%08x]\n",
 		cxiformat, cx_read(MO_INPUT_FORMAT) & 0x0f);
-	/* Chroma AGC must be disabled if SECAM is used, we enable it
-	   by default on PAL and NTSC */
+	/*
+	 * Chroma AGC must be disabled if SECAM is used, we enable it
+	 * by default on PAL and NTSC
+	 */
 	cx_andor(MO_INPUT_FORMAT, 0x40f,
 		 norm & V4L2_STD_SECAM ? cxiformat : cxiformat | 0x400);
 
 	// FIXME: as-is from DScaler
-	dprintk(1,"set_tvnorm: MO_OUTPUT_FORMAT 0x%08x [old=0x%08x]\n",
+	dprintk(1, "set_tvnorm: MO_OUTPUT_FORMAT 0x%08x [old=0x%08x]\n",
 		cxoformat, cx_read(MO_OUTPUT_FORMAT));
 	cx_write(MO_OUTPUT_FORMAT, cxoformat);
 
 	// MO_SCONV_REG = adc clock / video dec clock * 2^17
 	tmp64  = adc_clock * (u64)(1 << 17);
 	do_div(tmp64, vdec_clock);
-	dprintk(1,"set_tvnorm: MO_SCONV_REG     0x%08x [old=0x%08x]\n",
+	dprintk(1, "set_tvnorm: MO_SCONV_REG     0x%08x [old=0x%08x]\n",
 		(u32)tmp64, cx_read(MO_SCONV_REG));
 	cx_write(MO_SCONV_REG, (u32)tmp64);
 
 	// MO_SUB_STEP = 8 * fsc / video dec clock * 2^22
 	tmp64  = step_db * (u64)(1 << 22);
 	do_div(tmp64, vdec_clock);
-	dprintk(1,"set_tvnorm: MO_SUB_STEP      0x%08x [old=0x%08x]\n",
+	dprintk(1, "set_tvnorm: MO_SUB_STEP      0x%08x [old=0x%08x]\n",
 		(u32)tmp64, cx_read(MO_SUB_STEP));
 	cx_write(MO_SUB_STEP, (u32)tmp64);
 
 	// MO_SUB_STEP_DR = 8 * 4406250 / video dec clock * 2^22
 	tmp64  = step_dr * (u64)(1 << 22);
 	do_div(tmp64, vdec_clock);
-	dprintk(1,"set_tvnorm: MO_SUB_STEP_DR   0x%08x [old=0x%08x]\n",
+	dprintk(1, "set_tvnorm: MO_SUB_STEP_DR   0x%08x [old=0x%08x]\n",
 		(u32)tmp64, cx_read(MO_SUB_STEP_DR));
 	cx_write(MO_SUB_STEP_DR, (u32)tmp64);
 
 	// bdelay + agcdelay
 	bdelay   = vdec_clock * 65 / 20000000 + 21;
 	agcdelay = vdec_clock * 68 / 20000000 + 15;
-	dprintk(1,"set_tvnorm: MO_AGC_BURST     0x%08x [old=0x%08x,bdelay=%d,agcdelay=%d]\n",
-		(bdelay << 8) | agcdelay, cx_read(MO_AGC_BURST), bdelay, agcdelay);
+	dprintk(1,
+		"set_tvnorm: MO_AGC_BURST     0x%08x [old=0x%08x,bdelay=%d,agcdelay=%d]\n",
+		(bdelay << 8) | agcdelay, cx_read(MO_AGC_BURST),
+		bdelay, agcdelay);
 	cx_write(MO_AGC_BURST, (bdelay << 8) | agcdelay);
 
 	// htotal
 	tmp64 = norm_htotal(norm) * (u64)vdec_clock;
 	do_div(tmp64, fsc8);
 	htotal = (u32)tmp64;
-	dprintk(1,"set_tvnorm: MO_HTOTAL        0x%08x [old=0x%08x,htotal=%d]\n",
+	dprintk(1,
+		"set_tvnorm: MO_HTOTAL        0x%08x [old=0x%08x,htotal=%d]\n",
 		htotal, cx_read(MO_HTOTAL), (u32)tmp64);
 	cx_andor(MO_HTOTAL, 0x07ff, htotal);
 
 	// vbi stuff, set vbi offset to 10 (for 20 Clk*2 pixels), this makes
 	// the effective vbi offset ~244 samples, the same as the Bt8x8
-	cx_write(MO_VBI_PACKET, (10<<11) | norm_vbipack(norm));
+	cx_write(MO_VBI_PACKET, (10 << 11) | norm_vbipack(norm));
 
 	// this is needed as well to set all tvnorm parameter
 	cx88_set_scale(core, 320, 240, V4L2_FIELD_INTERLACED);
@@ -978,12 +1001,16 @@ int cx88_set_tvnorm(struct cx88_core *core, v4l2_std_id norm)
 	// tell i2c chips
 	call_all(core, video, s_std, norm);
 
-	/* The chroma_agc control should be inaccessible if the video format is SECAM */
+	/*
+	 * The chroma_agc control should be inaccessible
+	 * if the video format is SECAM
+	 */
 	v4l2_ctrl_grab(core->chroma_agc, cxiformat == VideoFormatSECAM);
 
 	// done
 	return 0;
 }
+EXPORT_SYMBOL(cx88_set_tvnorm);
 
 /* ------------------------------------------------------------------ */
 
@@ -1008,8 +1035,9 @@ void cx88_vdev_init(struct cx88_core *core,
 	snprintf(vfd->name, sizeof(vfd->name), "%s %s (%s)",
 		 core->name, type, core->board.name);
 }
+EXPORT_SYMBOL(cx88_vdev_init);
 
-struct cx88_core* cx88_core_get(struct pci_dev *pci)
+struct cx88_core *cx88_core_get(struct pci_dev *pci)
 {
 	struct cx88_core *core;
 
@@ -1020,7 +1048,7 @@ struct cx88_core* cx88_core_get(struct pci_dev *pci)
 		if (PCI_SLOT(pci->devfn) != core->pci_slot)
 			continue;
 
-		if (0 != cx88_get_resources(core, pci)) {
+		if (cx88_get_resources(core, pci) != 0) {
 			mutex_unlock(&devlist);
 			return NULL;
 		}
@@ -1030,7 +1058,7 @@ struct cx88_core* cx88_core_get(struct pci_dev *pci)
 	}
 
 	core = cx88_core_create(pci, cx88_devcount);
-	if (NULL != core) {
+	if (core) {
 		cx88_devcount++;
 		list_add_tail(&core->devlist, &cx88_devlist);
 	}
@@ -1038,18 +1066,19 @@ struct cx88_core* cx88_core_get(struct pci_dev *pci)
 	mutex_unlock(&devlist);
 	return core;
 }
+EXPORT_SYMBOL(cx88_core_get);
 
 void cx88_core_put(struct cx88_core *core, struct pci_dev *pci)
 {
-	release_mem_region(pci_resource_start(pci,0),
-			   pci_resource_len(pci,0));
+	release_mem_region(pci_resource_start(pci, 0),
+			   pci_resource_len(pci, 0));
 
 	if (!atomic_dec_and_test(&core->refcount))
 		return;
 
 	mutex_lock(&devlist);
 	cx88_ir_fini(core);
-	if (0 == core->i2c_rc) {
+	if (core->i2c_rc == 0) {
 		if (core->i2c_rtc)
 			i2c_unregister_device(core->i2c_rtc);
 		i2c_del_adapter(&core->i2c_adap);
@@ -1063,29 +1092,4 @@ void cx88_core_put(struct cx88_core *core, struct pci_dev *pci)
 	v4l2_device_unregister(&core->v4l2_dev);
 	kfree(core);
 }
-
-/* ------------------------------------------------------------------ */
-
-EXPORT_SYMBOL(cx88_print_irqbits);
-
-EXPORT_SYMBOL(cx88_core_irq);
-EXPORT_SYMBOL(cx88_wakeup);
-EXPORT_SYMBOL(cx88_reset);
-EXPORT_SYMBOL(cx88_shutdown);
-
-EXPORT_SYMBOL(cx88_risc_buffer);
-EXPORT_SYMBOL(cx88_risc_databuffer);
-
-EXPORT_SYMBOL(cx88_sram_channels);
-EXPORT_SYMBOL(cx88_sram_channel_setup);
-EXPORT_SYMBOL(cx88_sram_channel_dump);
-
-EXPORT_SYMBOL(cx88_set_tvnorm);
-EXPORT_SYMBOL(cx88_set_scale);
-
-EXPORT_SYMBOL(cx88_vdev_init);
-EXPORT_SYMBOL(cx88_core_get);
 EXPORT_SYMBOL(cx88_core_put);
-
-EXPORT_SYMBOL(cx88_ir_start);
-EXPORT_SYMBOL(cx88_ir_stop);
diff --git a/drivers/media/pci/cx88/cx88-dsp.c b/drivers/media/pci/cx88/cx88-dsp.c
index a9907265ff66..105029088120 100644
--- a/drivers/media/pci/cx88/cx88-dsp.c
+++ b/drivers/media/pci/cx88/cx88-dsp.c
@@ -1,5 +1,4 @@
 /*
- *
  *  Stereo and SAP detection for cx88
  *
  *  Copyright (c) 2009 Marton Balint <cus@fazekas.hu>
@@ -13,41 +12,41 @@
  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with this program; if not, write to the Free Software
- *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
 
+#include "cx88.h"
+#include "cx88-reg.h"
+
 #include <linux/slab.h>
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/jiffies.h>
 #include <asm/div64.h>
 
-#include "cx88.h"
-#include "cx88-reg.h"
-
 #define INT_PI			((s32)(3.141592653589 * 32768.0))
 
 #define compat_remainder(a, b) \
-	 ((float)(((s32)((a)*100))%((s32)((b)*100)))/100.0)
+	 ((float)(((s32)((a) * 100)) % ((s32)((b) * 100))) / 100.0)
 
 #define baseband_freq(carrier, srate, tone) ((s32)( \
 	 (compat_remainder(carrier + tone, srate)) / srate * 2 * INT_PI))
 
-/* We calculate the baseband frequencies of the carrier and the pilot tones
- * based on the the sampling rate of the audio rds fifo. */
+/*
+ * We calculate the baseband frequencies of the carrier and the pilot tones
+ * based on the the sampling rate of the audio rds fifo.
+ */
 
 #define FREQ_A2_CARRIER         baseband_freq(54687.5, 2689.36, 0.0)
 #define FREQ_A2_DUAL            baseband_freq(54687.5, 2689.36, 274.1)
 #define FREQ_A2_STEREO          baseband_freq(54687.5, 2689.36, 117.5)
 
-/* The frequencies below are from the reference driver. They probably need
+/*
+ * The frequencies below are from the reference driver. They probably need
  * further adjustments, because they are not tested at all. You may even need
  * to play a bit with the registers of the chip to select the proper signal
  * for the input of the audio rds fifo, and measure it's sampling rate to
- * calculate the proper baseband frequencies... */
+ * calculate the proper baseband frequencies...
+ */
 
 #define FREQ_A2M_CARRIER	((s32)(2.114516 * 32768.0))
 #define FREQ_A2M_DUAL		((s32)(2.754916 * 32768.0))
@@ -71,43 +70,52 @@ static unsigned int dsp_debug;
 module_param(dsp_debug, int, 0644);
 MODULE_PARM_DESC(dsp_debug, "enable audio dsp debug messages");
 
-#define dprintk(level, fmt, arg...)	if (dsp_debug >= level) \
-	printk(KERN_DEBUG "%s/0: " fmt, core->name , ## arg)
+#define dprintk(level, fmt, arg...) do {				\
+	if (dsp_debug >= level)						\
+		printk(KERN_DEBUG pr_fmt("%s: dsp:" fmt),		\
+			__func__, ##arg);				\
+} while (0)
 
 static s32 int_cos(u32 x)
 {
 	u32 t2, t4, t6, t8;
 	s32 ret;
 	u16 period = x / INT_PI;
+
 	if (period % 2)
 		return -int_cos(x - INT_PI);
 	x = x % INT_PI;
-	if (x > INT_PI/2)
-		return -int_cos(INT_PI/2 - (x % (INT_PI/2)));
-	/* Now x is between 0 and INT_PI/2.
-	 * To calculate cos(x) we use it's Taylor polinom. */
-	t2 = x*x/32768/2;
-	t4 = t2*x/32768*x/32768/3/4;
-	t6 = t4*x/32768*x/32768/5/6;
-	t8 = t6*x/32768*x/32768/7/8;
-	ret = 32768-t2+t4-t6+t8;
+	if (x > INT_PI / 2)
+		return -int_cos(INT_PI / 2 - (x % (INT_PI / 2)));
+	/*
+	 * Now x is between 0 and INT_PI/2.
+	 * To calculate cos(x) we use it's Taylor polinom.
+	 */
+	t2 = x * x / 32768 / 2;
+	t4 = t2 * x / 32768 * x / 32768 / 3 / 4;
+	t6 = t4 * x / 32768 * x / 32768 / 5 / 6;
+	t8 = t6 * x / 32768 * x / 32768 / 7 / 8;
+	ret = 32768 - t2 + t4 - t6 + t8;
 	return ret;
 }
 
 static u32 int_goertzel(s16 x[], u32 N, u32 freq)
 {
-	/* We use the Goertzel algorithm to determine the power of the
-	 * given frequency in the signal */
+	/*
+	 * We use the Goertzel algorithm to determine the power of the
+	 * given frequency in the signal
+	 */
 	s32 s_prev = 0;
 	s32 s_prev2 = 0;
-	s32 coeff = 2*int_cos(freq);
+	s32 coeff = 2 * int_cos(freq);
 	u32 i;
 
 	u64 tmp;
 	u32 divisor;
 
 	for (i = 0; i < N; i++) {
-		s32 s = x[i] + ((s64)coeff*s_prev/32768) - s_prev2;
+		s32 s = x[i] + ((s64)coeff * s_prev / 32768) - s_prev2;
+
 		s_prev2 = s_prev;
 		s_prev = s;
 	}
@@ -115,17 +123,20 @@ static u32 int_goertzel(s16 x[], u32 N, u32 freq)
 	tmp = (s64)s_prev2 * s_prev2 + (s64)s_prev * s_prev -
 		      (s64)coeff * s_prev2 * s_prev / 32768;
 
-	/* XXX: N must be low enough so that N*N fits in s32.
-	 * Else we need two divisions. */
+	/*
+	 * XXX: N must be low enough so that N*N fits in s32.
+	 * Else we need two divisions.
+	 */
 	divisor = N * N;
 	do_div(tmp, divisor);
 
-	return (u32) tmp;
+	return (u32)tmp;
 }
 
 static u32 freq_magnitude(s16 x[], u32 N, u32 freq)
 {
 	u32 sum = int_goertzel(x, N, freq);
+
 	return (u32)int_sqrt(sum);
 }
 
@@ -138,7 +149,7 @@ static u32 noise_magnitude(s16 x[], u32 N, u32 freq_start, u32 freq_end)
 
 	if (N > 192) {
 		/* The last 192 samples are enough for noise detection */
-		x += (N-192);
+		x += (N - 192);
 		N = 192;
 	}
 
@@ -176,8 +187,8 @@ static s32 detect_a2_a2m_eiaj(struct cx88_core *core, s16 x[], u32 N)
 		dual_freq = FREQ_EIAJ_DUAL;
 		break;
 	default:
-		printk(KERN_WARNING "%s/0: unsupported audio mode %d for %s\n",
-		       core->name, core->tvaudio, __func__);
+		pr_warn("unsupported audio mode %d for %s\n",
+			core->tvaudio, __func__);
 		return UNSET;
 	}
 
@@ -186,8 +197,9 @@ static s32 detect_a2_a2m_eiaj(struct cx88_core *core, s16 x[], u32 N)
 	dual    = freq_magnitude(x, N, dual_freq);
 	noise   = noise_magnitude(x, N, FREQ_NOISE_START, FREQ_NOISE_END);
 
-	dprintk(1, "detect a2/a2m/eiaj: carrier=%d, stereo=%d, dual=%d, "
-		   "noise=%d\n", carrier, stereo, dual, noise);
+	dprintk(1,
+		"detect a2/a2m/eiaj: carrier=%d, stereo=%d, dual=%d, noise=%d\n",
+		carrier, stereo, dual, noise);
 
 	if (stereo > dual)
 		ret = V4L2_TUNER_SUB_STEREO;
@@ -196,20 +208,22 @@ static s32 detect_a2_a2m_eiaj(struct cx88_core *core, s16 x[], u32 N)
 
 	if (core->tvaudio == WW_EIAJ) {
 		/* EIAJ checks may need adjustments */
-		if ((carrier > max(stereo, dual)*2) &&
-		    (carrier < max(stereo, dual)*6) &&
+		if ((carrier > max(stereo, dual) * 2) &&
+		    (carrier < max(stereo, dual) * 6) &&
 		    (carrier > 20 && carrier < 200) &&
 		    (max(stereo, dual) > min(stereo, dual))) {
-			/* For EIAJ the carrier is always present,
-			   so we probably don't need noise detection */
+			/*
+			 * For EIAJ the carrier is always present,
+			 * so we probably don't need noise detection
+			 */
 			return ret;
 		}
 	} else {
-		if ((carrier > max(stereo, dual)*2) &&
-		    (carrier < max(stereo, dual)*8) &&
+		if ((carrier > max(stereo, dual) * 2) &&
+		    (carrier < max(stereo, dual) * 8) &&
 		    (carrier > 20 && carrier < 200) &&
 		    (noise < 10) &&
-		    (max(stereo, dual) > min(stereo, dual)*2)) {
+		    (max(stereo, dual) > min(stereo, dual) * 2)) {
 			return ret;
 		}
 	}
@@ -222,8 +236,9 @@ static s32 detect_btsc(struct cx88_core *core, s16 x[], u32 N)
 	s32 sap = freq_magnitude(x, N, FREQ_BTSC_SAP);
 	s32 dual_ref = freq_magnitude(x, N, FREQ_BTSC_DUAL_REF);
 	s32 dual = freq_magnitude(x, N, FREQ_BTSC_DUAL);
-	dprintk(1, "detect btsc: dual_ref=%d, dual=%d, sap_ref=%d, sap=%d"
-		   "\n", dual_ref, dual, sap_ref, sap);
+
+	dprintk(1, "detect btsc: dual_ref=%d, dual=%d, sap_ref=%d, sap=%d\n",
+		dual_ref, dual, sap_ref, sap);
 	/* FIXME: Currently not supported */
 	return UNSET;
 }
@@ -234,36 +249,31 @@ static s16 *read_rds_samples(struct cx88_core *core, u32 *N)
 	s16 *samples;
 
 	unsigned int i;
-	unsigned int bpl = srch->fifo_size/AUD_RDS_LINES;
-	unsigned int spl = bpl/4;
-	unsigned int sample_count = spl*(AUD_RDS_LINES-1);
+	unsigned int bpl = srch->fifo_size / AUD_RDS_LINES;
+	unsigned int spl = bpl / 4;
+	unsigned int sample_count = spl * (AUD_RDS_LINES - 1);
 
 	u32 current_address = cx_read(srch->ptr1_reg);
 	u32 offset = (current_address - srch->fifo_start + bpl);
 
-	dprintk(1, "read RDS samples: current_address=%08x (offset=%08x), "
-		"sample_count=%d, aud_intstat=%08x\n", current_address,
+	dprintk(1,
+		"read RDS samples: current_address=%08x (offset=%08x), sample_count=%d, aud_intstat=%08x\n",
+		current_address,
 		current_address - srch->fifo_start, sample_count,
 		cx_read(MO_AUD_INTSTAT));
-
-	samples = kmalloc(sizeof(s16)*sample_count, GFP_KERNEL);
+	samples = kmalloc_array(sample_count, sizeof(*samples), GFP_KERNEL);
 	if (!samples)
 		return NULL;
 
 	*N = sample_count;
 
 	for (i = 0; i < sample_count; i++)  {
-		offset = offset % (AUD_RDS_LINES*bpl);
+		offset = offset % (AUD_RDS_LINES * bpl);
 		samples[i] = cx_read(srch->fifo_start + offset);
 		offset += 4;
 	}
 
-	if (dsp_debug >= 2) {
-		dprintk(2, "RDS samples dump: ");
-		for (i = 0; i < sample_count; i++)
-			printk("%hd ", samples[i]);
-		printk(".\n");
-	}
+	dprintk(2, "RDS samples dump: %*ph\n", sample_count, samples);
 
 	return samples;
 }
@@ -310,11 +320,11 @@ s32 cx88_dsp_detect_stereo_sap(struct cx88_core *core)
 
 	kfree(samples);
 
-	if (UNSET != ret)
+	if (ret != UNSET)
 		dprintk(1, "stereo/sap detection result:%s%s%s\n",
-			   (ret & V4L2_TUNER_SUB_MONO) ? " mono" : "",
-			   (ret & V4L2_TUNER_SUB_STEREO) ? " stereo" : "",
-			   (ret & V4L2_TUNER_SUB_LANG2) ? " dual" : "");
+			(ret & V4L2_TUNER_SUB_MONO) ? " mono" : "",
+			(ret & V4L2_TUNER_SUB_STEREO) ? " stereo" : "",
+			(ret & V4L2_TUNER_SUB_LANG2) ? " dual" : "");
 
 	return ret;
 }
diff --git a/drivers/media/pci/cx88/cx88-dvb.c b/drivers/media/pci/cx88/cx88-dvb.c
index ac2392d8887a..ddf90678df34 100644
--- a/drivers/media/pci/cx88/cx88-dvb.c
+++ b/drivers/media/pci/cx88/cx88-dvb.c
@@ -1,5 +1,4 @@
 /*
- *
  * device driver for Conexant 2388x based TV cards
  * MPEG Transport Stream (DVB) routines
  *
@@ -15,12 +14,11 @@
  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with this program; if not, write to the Free Software
- *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
 
+#include "cx88.h"
+#include "dvb-pll.h"
+
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/device.h>
@@ -29,8 +27,6 @@
 #include <linux/file.h>
 #include <linux/suspend.h>
 
-#include "cx88.h"
-#include "dvb-pll.h"
 #include <media/v4l2-common.h>
 
 #include "mt352.h"
@@ -69,7 +65,7 @@ MODULE_VERSION(CX88_VERSION);
 
 static unsigned int debug;
 module_param(debug, int, 0644);
-MODULE_PARM_DESC(debug,"enable debug messages [dvb]");
+MODULE_PARM_DESC(debug, "enable debug messages [dvb]");
 
 static unsigned int dvb_buf_tscnt = 32;
 module_param(dvb_buf_tscnt, int, 0644);
@@ -77,14 +73,17 @@ MODULE_PARM_DESC(dvb_buf_tscnt, "DVB Buffer TS count [dvb]");
 
 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
 
-#define dprintk(level,fmt, arg...)	if (debug >= level) \
-	printk(KERN_DEBUG "%s/2-dvb: " fmt, core->name, ## arg)
+#define dprintk(level, fmt, arg...) do {				\
+	if (debug >= level)						\
+		printk(KERN_DEBUG pr_fmt("%s: dvb:" fmt),		\
+			__func__, ##arg);				\
+} while (0)
 
 /* ------------------------------------------------------------------ */
 
 static int queue_setup(struct vb2_queue *q,
-			   unsigned int *num_buffers, unsigned int *num_planes,
-			   unsigned int sizes[], struct device *alloc_devs[])
+		       unsigned int *num_buffers, unsigned int *num_planes,
+		       unsigned int sizes[], struct device *alloc_devs[])
 {
 	struct cx8802_dev *dev = q->drv_priv;
 
@@ -169,23 +168,23 @@ static const struct vb2_ops dvb_qops = {
 
 /* ------------------------------------------------------------------ */
 
-static int cx88_dvb_bus_ctrl(struct dvb_frontend* fe, int acquire)
+static int cx88_dvb_bus_ctrl(struct dvb_frontend *fe, int acquire)
 {
-	struct cx8802_dev *dev= fe->dvb->priv;
+	struct cx8802_dev *dev = fe->dvb->priv;
 	struct cx8802_driver *drv = NULL;
 	int ret = 0;
 	int fe_id;
 
 	fe_id = vb2_dvb_find_frontend(&dev->frontends, fe);
 	if (!fe_id) {
-		printk(KERN_ERR "%s() No frontend found\n", __func__);
+		pr_err("%s() No frontend found\n", __func__);
 		return -EINVAL;
 	}
 
 	mutex_lock(&dev->core->lock);
 	drv = cx8802_get_driver(dev, CX88_MPEG_DVB);
 	if (drv) {
-		if (acquire){
+		if (acquire) {
 			dev->frontends.active_fe_id = fe_id;
 			ret = drv->request_acquire(drv);
 		} else {
@@ -222,13 +221,13 @@ static void cx88_dvb_gate_ctrl(struct cx88_core  *core, int open)
 
 /* ------------------------------------------------------------------ */
 
-static int dvico_fusionhdtv_demod_init(struct dvb_frontend* fe)
+static int dvico_fusionhdtv_demod_init(struct dvb_frontend *fe)
 {
-	static const u8 clock_config []  = { CLOCK_CTL,  0x38, 0x39 };
-	static const u8 reset []         = { RESET,      0x80 };
-	static const u8 adc_ctl_1_cfg [] = { ADC_CTL_1,  0x40 };
-	static const u8 agc_cfg []       = { AGC_TARGET, 0x24, 0x20 };
-	static const u8 gpp_ctl_cfg []   = { GPP_CTL,    0x33 };
+	static const u8 clock_config[]  = { CLOCK_CTL,  0x38, 0x39 };
+	static const u8 reset[]         = { RESET,      0x80 };
+	static const u8 adc_ctl_1_cfg[] = { ADC_CTL_1,  0x40 };
+	static const u8 agc_cfg[]       = { AGC_TARGET, 0x24, 0x20 };
+	static const u8 gpp_ctl_cfg[]   = { GPP_CTL,    0x33 };
 	static const u8 capt_range_cfg[] = { CAPT_RANGE, 0x32 };
 
 	mt352_write(fe, clock_config,   sizeof(clock_config));
@@ -244,11 +243,11 @@ static int dvico_fusionhdtv_demod_init(struct dvb_frontend* fe)
 
 static int dvico_dual_demod_init(struct dvb_frontend *fe)
 {
-	static const u8 clock_config []  = { CLOCK_CTL,  0x38, 0x38 };
-	static const u8 reset []         = { RESET,      0x80 };
-	static const u8 adc_ctl_1_cfg [] = { ADC_CTL_1,  0x40 };
-	static const u8 agc_cfg []       = { AGC_TARGET, 0x28, 0x20 };
-	static const u8 gpp_ctl_cfg []   = { GPP_CTL,    0x33 };
+	static const u8 clock_config[]  = { CLOCK_CTL,  0x38, 0x38 };
+	static const u8 reset[]         = { RESET,      0x80 };
+	static const u8 adc_ctl_1_cfg[] = { ADC_CTL_1,  0x40 };
+	static const u8 agc_cfg[]       = { AGC_TARGET, 0x28, 0x20 };
+	static const u8 gpp_ctl_cfg[]   = { GPP_CTL,    0x33 };
 	static const u8 capt_range_cfg[] = { CAPT_RANGE, 0x32 };
 
 	mt352_write(fe, clock_config,   sizeof(clock_config));
@@ -263,12 +262,12 @@ static int dvico_dual_demod_init(struct dvb_frontend *fe)
 	return 0;
 }
 
-static int dntv_live_dvbt_demod_init(struct dvb_frontend* fe)
+static int dntv_live_dvbt_demod_init(struct dvb_frontend *fe)
 {
-	static const u8 clock_config []  = { 0x89, 0x38, 0x39 };
-	static const u8 reset []         = { 0x50, 0x80 };
-	static const u8 adc_ctl_1_cfg [] = { 0x8E, 0x40 };
-	static const u8 agc_cfg []       = { 0x67, 0x10, 0x23, 0x00, 0xFF, 0xFF,
+	static const u8 clock_config[]  = { 0x89, 0x38, 0x39 };
+	static const u8 reset[]         = { 0x50, 0x80 };
+	static const u8 adc_ctl_1_cfg[] = { 0x8E, 0x40 };
+	static const u8 agc_cfg[]       = { 0x67, 0x10, 0x23, 0x00, 0xFF, 0xFF,
 				       0x00, 0xFF, 0x00, 0x40, 0x40 };
 	static const u8 dntv_extra[]     = { 0xB5, 0x7A };
 	static const u8 capt_range_cfg[] = { 0x75, 0x32 };
@@ -312,12 +311,12 @@ static struct mb86a16_config twinhan_vp1027 = {
 };
 
 #if IS_ENABLED(CONFIG_VIDEO_CX88_VP3054)
-static int dntv_live_dvbt_pro_demod_init(struct dvb_frontend* fe)
+static int dntv_live_dvbt_pro_demod_init(struct dvb_frontend *fe)
 {
-	static const u8 clock_config []  = { 0x89, 0x38, 0x38 };
-	static const u8 reset []         = { 0x50, 0x80 };
-	static const u8 adc_ctl_1_cfg [] = { 0x8E, 0x40 };
-	static const u8 agc_cfg []       = { 0x67, 0x10, 0x20, 0x00, 0xFF, 0xFF,
+	static const u8 clock_config[]  = { 0x89, 0x38, 0x38 };
+	static const u8 reset[]         = { 0x50, 0x80 };
+	static const u8 adc_ctl_1_cfg[] = { 0x8E, 0x40 };
+	static const u8 agc_cfg[]       = { 0x67, 0x10, 0x20, 0x00, 0xFF, 0xFF,
 				       0x00, 0xFF, 0x00, 0x40, 0x40 };
 	static const u8 dntv_extra[]     = { 0xB5, 0x7A };
 	static const u8 capt_range_cfg[] = { 0x75, 0x32 };
@@ -374,9 +373,10 @@ static const struct cx22702_config hauppauge_hvr_config = {
 	.output_mode   = CX22702_SERIAL_OUTPUT,
 };
 
-static int or51132_set_ts_param(struct dvb_frontend* fe, int is_punctured)
+static int or51132_set_ts_param(struct dvb_frontend *fe, int is_punctured)
 {
-	struct cx8802_dev *dev= fe->dvb->priv;
+	struct cx8802_dev *dev = fe->dvb->priv;
+
 	dev->ts_gen_cntrl = is_punctured ? 0x04 : 0x00;
 	return 0;
 }
@@ -386,9 +386,9 @@ static const struct or51132_config pchdtv_hd3000 = {
 	.set_ts_params = or51132_set_ts_param,
 };
 
-static int lgdt330x_pll_rf_set(struct dvb_frontend* fe, int index)
+static int lgdt330x_pll_rf_set(struct dvb_frontend *fe, int index)
 {
-	struct cx8802_dev *dev= fe->dvb->priv;
+	struct cx8802_dev *dev = fe->dvb->priv;
 	struct cx88_core *core = dev->core;
 
 	dprintk(1, "%s: index = %d\n", __func__, index);
@@ -399,9 +399,10 @@ static int lgdt330x_pll_rf_set(struct dvb_frontend* fe, int index)
 	return 0;
 }
 
-static int lgdt330x_set_ts_param(struct dvb_frontend* fe, int is_punctured)
+static int lgdt330x_set_ts_param(struct dvb_frontend *fe, int is_punctured)
 {
-	struct cx8802_dev *dev= fe->dvb->priv;
+	struct cx8802_dev *dev = fe->dvb->priv;
+
 	if (is_punctured)
 		dev->ts_gen_cntrl |= 0x04;
 	else
@@ -430,9 +431,10 @@ static const struct lgdt330x_config pchdtv_hd5500 = {
 	.set_ts_params = lgdt330x_set_ts_param,
 };
 
-static int nxt200x_set_ts_param(struct dvb_frontend* fe, int is_punctured)
+static int nxt200x_set_ts_param(struct dvb_frontend *fe, int is_punctured)
 {
-	struct cx8802_dev *dev= fe->dvb->priv;
+	struct cx8802_dev *dev = fe->dvb->priv;
+
 	dev->ts_gen_cntrl = is_punctured ? 0x04 : 0x00;
 	return 0;
 }
@@ -442,18 +444,19 @@ static const struct nxt200x_config ati_hdtvwonder = {
 	.set_ts_params = nxt200x_set_ts_param,
 };
 
-static int cx24123_set_ts_param(struct dvb_frontend* fe,
-	int is_punctured)
+static int cx24123_set_ts_param(struct dvb_frontend *fe,
+				int is_punctured)
 {
-	struct cx8802_dev *dev= fe->dvb->priv;
+	struct cx8802_dev *dev = fe->dvb->priv;
+
 	dev->ts_gen_cntrl = 0x02;
 	return 0;
 }
 
-static int kworld_dvbs_100_set_voltage(struct dvb_frontend* fe,
+static int kworld_dvbs_100_set_voltage(struct dvb_frontend *fe,
 				       enum fe_sec_voltage voltage)
 {
-	struct cx8802_dev *dev= fe->dvb->priv;
+	struct cx8802_dev *dev = fe->dvb->priv;
 	struct cx88_core *core = dev->core;
 
 	if (voltage == SEC_VOLTAGE_OFF)
@@ -469,11 +472,11 @@ static int kworld_dvbs_100_set_voltage(struct dvb_frontend* fe,
 static int geniatech_dvbs_set_voltage(struct dvb_frontend *fe,
 				      enum fe_sec_voltage voltage)
 {
-	struct cx8802_dev *dev= fe->dvb->priv;
+	struct cx8802_dev *dev = fe->dvb->priv;
 	struct cx88_core *core = dev->core;
 
 	if (voltage == SEC_VOLTAGE_OFF) {
-		dprintk(1,"LNB Voltage OFF\n");
+		dprintk(1, "LNB Voltage OFF\n");
 		cx_write(MO_GP0_IO, 0x0000efff);
 	}
 
@@ -485,7 +488,7 @@ static int geniatech_dvbs_set_voltage(struct dvb_frontend *fe,
 static int tevii_dvbs_set_voltage(struct dvb_frontend *fe,
 				  enum fe_sec_voltage voltage)
 {
-	struct cx8802_dev *dev= fe->dvb->priv;
+	struct cx8802_dev *dev = fe->dvb->priv;
 	struct cx88_core *core = dev->core;
 
 	cx_set(MO_GP0_IO, 0x6040);
@@ -625,9 +628,7 @@ static int attach_xc3028(u8 addr, struct cx8802_dev *dev)
 		return -EINVAL;
 
 	if (!fe0->dvb.frontend) {
-		printk(KERN_ERR "%s/2: dvb frontend not attached. "
-				"Can't attach xc3028\n",
-		       dev->core->name);
+		pr_err("dvb frontend not attached. Can't attach xc3028\n");
 		return -EINVAL;
 	}
 
@@ -640,16 +641,14 @@ static int attach_xc3028(u8 addr, struct cx8802_dev *dev)
 
 	fe = dvb_attach(xc2028_attach, fe0->dvb.frontend, &cfg);
 	if (!fe) {
-		printk(KERN_ERR "%s/2: xc3028 attach failed\n",
-		       dev->core->name);
+		pr_err("xc3028 attach failed\n");
 		dvb_frontend_detach(fe0->dvb.frontend);
 		dvb_unregister_frontend(fe0->dvb.frontend);
 		fe0->dvb.frontend = NULL;
 		return -EINVAL;
 	}
 
-	printk(KERN_INFO "%s/2: xc3028 attached\n",
-	       dev->core->name);
+	pr_info("xc3028 attached\n");
 
 	return 0;
 }
@@ -665,41 +664,40 @@ static int attach_xc4000(struct cx8802_dev *dev, struct xc4000_config *cfg)
 		return -EINVAL;
 
 	if (!fe0->dvb.frontend) {
-		printk(KERN_ERR "%s/2: dvb frontend not attached. "
-				"Can't attach xc4000\n",
-		       dev->core->name);
+		pr_err("dvb frontend not attached. Can't attach xc4000\n");
 		return -EINVAL;
 	}
 
 	fe = dvb_attach(xc4000_attach, fe0->dvb.frontend, &dev->core->i2c_adap,
 			cfg);
 	if (!fe) {
-		printk(KERN_ERR "%s/2: xc4000 attach failed\n",
-		       dev->core->name);
+		pr_err("xc4000 attach failed\n");
 		dvb_frontend_detach(fe0->dvb.frontend);
 		dvb_unregister_frontend(fe0->dvb.frontend);
 		fe0->dvb.frontend = NULL;
 		return -EINVAL;
 	}
 
-	printk(KERN_INFO "%s/2: xc4000 attached\n", dev->core->name);
+	pr_info("xc4000 attached\n");
 
 	return 0;
 }
 
 static int cx24116_set_ts_param(struct dvb_frontend *fe,
-	int is_punctured)
+				int is_punctured)
 {
 	struct cx8802_dev *dev = fe->dvb->priv;
+
 	dev->ts_gen_cntrl = 0x2;
 
 	return 0;
 }
 
 static int stv0900_set_ts_param(struct dvb_frontend *fe,
-	int is_punctured)
+				int is_punctured)
 {
 	struct cx8802_dev *dev = fe->dvb->priv;
+
 	dev->ts_gen_cntrl = 0;
 
 	return 0;
@@ -713,10 +711,10 @@ static int cx24116_reset_device(struct dvb_frontend *fe)
 	/* Reset the part */
 	/* Put the cx24116 into reset */
 	cx_write(MO_SRST_IO, 0);
-	msleep(10);
+	usleep_range(10000, 20000);
 	/* Take the cx24116 out of reset */
 	cx_write(MO_SRST_IO, 1);
-	msleep(10);
+	usleep_range(10000, 20000);
 
 	return 0;
 }
@@ -734,9 +732,10 @@ static const struct cx24116_config tevii_s460_config = {
 };
 
 static int ds3000_set_ts_param(struct dvb_frontend *fe,
-	int is_punctured)
+			       int is_punctured)
 {
 	struct cx8802_dev *dev = fe->dvb->priv;
+
 	dev->ts_gen_cntrl = 4;
 
 	return 0;
@@ -800,12 +799,12 @@ static int cx8802_alloc_frontends(struct cx8802_dev *dev)
 	if (!core->board.num_frontends)
 		return -ENODEV;
 
-	printk(KERN_INFO "%s() allocating %d frontend(s)\n", __func__,
-			 core->board.num_frontends);
+	pr_info("%s: allocating %d frontend(s)\n", __func__,
+		core->board.num_frontends);
 	for (i = 1; i <= core->board.num_frontends; i++) {
 		fe = vb2_dvb_alloc_frontend(&dev->frontends, i);
 		if (!fe) {
-			printk(KERN_ERR "%s() failed to alloc\n", __func__);
+			pr_err("%s() failed to alloc\n", __func__);
 			vb2_dvb_dealloc_frontends(&dev->frontends);
 			return -ENOMEM;
 		}
@@ -813,8 +812,6 @@ static int cx8802_alloc_frontends(struct cx8802_dev *dev)
 	return 0;
 }
 
-
-
 static const u8 samsung_smt_7020_inittab[] = {
 	     0x01, 0x15,
 	     0x02, 0x00,
@@ -866,7 +863,6 @@ static const u8 samsung_smt_7020_inittab[] = {
 	     0xff, 0xff,
 };
 
-
 static int samsung_smt_7020_tuner_set_params(struct dvb_frontend *fe)
 {
 	struct dtv_frontend_properties *c = &fe->dtv_property_cache;
@@ -899,7 +895,7 @@ static int samsung_smt_7020_tuner_set_params(struct dvb_frontend *fe)
 }
 
 static int samsung_smt_7020_set_tone(struct dvb_frontend *fe,
-	enum fe_sec_tone_mode tone)
+				     enum fe_sec_tone_mode tone)
 {
 	struct cx8802_dev *dev = fe->dvb->priv;
 	struct cx88_core *core = dev->core;
@@ -954,7 +950,7 @@ static int samsung_smt_7020_set_voltage(struct dvb_frontend *fe,
 }
 
 static int samsung_smt_7020_stv0299_set_symbol_rate(struct dvb_frontend *fe,
-	u32 srate, u32 ratio)
+						    u32 srate, u32 ratio)
 {
 	u8 aclk = 0;
 	u8 bclk = 0;
@@ -988,7 +984,6 @@ static int samsung_smt_7020_stv0299_set_symbol_rate(struct dvb_frontend *fe,
 	return 0;
 }
 
-
 static const struct stv0299_config samsung_stv0299_config = {
 	.demod_address = 0x68,
 	.inittab = samsung_smt_7020_inittab,
@@ -1008,8 +1003,8 @@ static int dvb_register(struct cx8802_dev *dev)
 	int mfe_shared = 0; /* bus not shared by default */
 	int res = -EINVAL;
 
-	if (0 != core->i2c_rc) {
-		printk(KERN_ERR "%s/2: no i2c-bus available, cannot attach dvb drivers\n", core->name);
+	if (core->i2c_rc != 0) {
+		pr_err("no i2c-bus available, cannot attach dvb drivers\n");
 		goto frontend_detach;
 	}
 
@@ -1030,7 +1025,7 @@ static int dvb_register(struct cx8802_dev *dev)
 		fe0->dvb.frontend = dvb_attach(cx22702_attach,
 					       &connexant_refboard_config,
 					       &core->i2c_adap);
-		if (fe0->dvb.frontend != NULL) {
+		if (fe0->dvb.frontend) {
 			if (!dvb_attach(dvb_pll_attach, fe0->dvb.frontend,
 					0x61, &core->i2c_adap,
 					DVB_PLL_THOMSON_DTT759X))
@@ -1044,7 +1039,7 @@ static int dvb_register(struct cx8802_dev *dev)
 		fe0->dvb.frontend = dvb_attach(cx22702_attach,
 					       &connexant_refboard_config,
 					       &core->i2c_adap);
-		if (fe0->dvb.frontend != NULL) {
+		if (fe0->dvb.frontend) {
 			if (!dvb_attach(dvb_pll_attach, fe0->dvb.frontend,
 					0x60, &core->i2c_adap,
 					DVB_PLL_THOMSON_DTT7579))
@@ -1058,10 +1053,10 @@ static int dvb_register(struct cx8802_dev *dev)
 		fe0->dvb.frontend = dvb_attach(cx22702_attach,
 					       &hauppauge_hvr_config,
 					       &core->i2c_adap);
-		if (fe0->dvb.frontend != NULL) {
+		if (fe0->dvb.frontend) {
 			if (!dvb_attach(simple_tuner_attach, fe0->dvb.frontend,
-				   &core->i2c_adap, 0x61,
-				   TUNER_PHILIPS_FMD1216ME_MK3))
+					&core->i2c_adap, 0x61,
+					TUNER_PHILIPS_FMD1216ME_MK3))
 				goto frontend_detach;
 		}
 		break;
@@ -1069,10 +1064,10 @@ static int dvb_register(struct cx8802_dev *dev)
 		fe0->dvb.frontend = dvb_attach(cx22702_attach,
 					       &hauppauge_hvr_config,
 					       &core->i2c_adap);
-		if (fe0->dvb.frontend != NULL) {
+		if (fe0->dvb.frontend) {
 			if (!dvb_attach(simple_tuner_attach, fe0->dvb.frontend,
-				   &core->i2c_adap, 0x61,
-				   TUNER_PHILIPS_FMD1216MEX_MK3))
+					&core->i2c_adap, 0x61,
+					TUNER_PHILIPS_FMD1216MEX_MK3))
 				goto frontend_detach;
 		}
 		break;
@@ -1082,8 +1077,8 @@ static int dvb_register(struct cx8802_dev *dev)
 		dev->frontends.gate = 2;
 		/* DVB-S init */
 		fe0->dvb.frontend = dvb_attach(cx24123_attach,
-					&hauppauge_novas_config,
-					&dev->core->i2c_adap);
+					       &hauppauge_novas_config,
+					       &dev->core->i2c_adap);
 		if (fe0->dvb.frontend) {
 			if (!dvb_attach(isl6421_attach,
 					fe0->dvb.frontend,
@@ -1097,8 +1092,8 @@ static int dvb_register(struct cx8802_dev *dev)
 			goto frontend_detach;
 		/* DVB-T init */
 		fe1->dvb.frontend = dvb_attach(cx22702_attach,
-					&hauppauge_hvr_config,
-					&dev->core->i2c_adap);
+					       &hauppauge_hvr_config,
+					       &dev->core->i2c_adap);
 		if (fe1->dvb.frontend) {
 			fe1->dvb.frontend->id = 1;
 			if (!dvb_attach(simple_tuner_attach,
@@ -1112,7 +1107,7 @@ static int dvb_register(struct cx8802_dev *dev)
 		fe0->dvb.frontend = dvb_attach(mt352_attach,
 					       &dvico_fusionhdtv,
 					       &core->i2c_adap);
-		if (fe0->dvb.frontend != NULL) {
+		if (fe0->dvb.frontend) {
 			if (!dvb_attach(dvb_pll_attach, fe0->dvb.frontend,
 					0x60, NULL, DVB_PLL_THOMSON_DTT7579))
 				goto frontend_detach;
@@ -1122,19 +1117,21 @@ static int dvb_register(struct cx8802_dev *dev)
 		fe0->dvb.frontend = dvb_attach(zl10353_attach,
 					       &dvico_fusionhdtv_plus_v1_1,
 					       &core->i2c_adap);
-		if (fe0->dvb.frontend != NULL) {
+		if (fe0->dvb.frontend) {
 			if (!dvb_attach(dvb_pll_attach, fe0->dvb.frontend,
 					0x60, NULL, DVB_PLL_THOMSON_DTT7579))
 				goto frontend_detach;
 		}
 		break;
 	case CX88_BOARD_DVICO_FUSIONHDTV_DVB_T_DUAL:
-		/* The tin box says DEE1601, but it seems to be DTT7579
-		 * compatible, with a slightly different MT352 AGC gain. */
+		/*
+		 * The tin box says DEE1601, but it seems to be DTT7579
+		 * compatible, with a slightly different MT352 AGC gain.
+		 */
 		fe0->dvb.frontend = dvb_attach(mt352_attach,
 					       &dvico_fusionhdtv_dual,
 					       &core->i2c_adap);
-		if (fe0->dvb.frontend != NULL) {
+		if (fe0->dvb.frontend) {
 			if (!dvb_attach(dvb_pll_attach, fe0->dvb.frontend,
 					0x61, NULL, DVB_PLL_THOMSON_DTT7579))
 				goto frontend_detach;
@@ -1144,7 +1141,7 @@ static int dvb_register(struct cx8802_dev *dev)
 		fe0->dvb.frontend = dvb_attach(zl10353_attach,
 					       &dvico_fusionhdtv_plus_v1_1,
 					       &core->i2c_adap);
-		if (fe0->dvb.frontend != NULL) {
+		if (fe0->dvb.frontend) {
 			if (!dvb_attach(dvb_pll_attach, fe0->dvb.frontend,
 					0x61, NULL, DVB_PLL_THOMSON_DTT7579))
 				goto frontend_detach;
@@ -1154,7 +1151,7 @@ static int dvb_register(struct cx8802_dev *dev)
 		fe0->dvb.frontend = dvb_attach(mt352_attach,
 					       &dvico_fusionhdtv,
 					       &core->i2c_adap);
-		if (fe0->dvb.frontend != NULL) {
+		if (fe0->dvb.frontend) {
 			if (!dvb_attach(dvb_pll_attach, fe0->dvb.frontend,
 					0x61, NULL, DVB_PLL_LG_Z201))
 				goto frontend_detach;
@@ -1166,7 +1163,7 @@ static int dvb_register(struct cx8802_dev *dev)
 		fe0->dvb.frontend = dvb_attach(mt352_attach,
 					       &dntv_live_dvbt_config,
 					       &core->i2c_adap);
-		if (fe0->dvb.frontend != NULL) {
+		if (fe0->dvb.frontend) {
 			if (!dvb_attach(dvb_pll_attach, fe0->dvb.frontend,
 					0x61, NULL, DVB_PLL_UNKNOWN_1))
 				goto frontend_detach;
@@ -1175,27 +1172,27 @@ static int dvb_register(struct cx8802_dev *dev)
 	case CX88_BOARD_DNTV_LIVE_DVB_T_PRO:
 #if IS_ENABLED(CONFIG_VIDEO_CX88_VP3054)
 		/* MT352 is on a secondary I2C bus made from some GPIO lines */
-		fe0->dvb.frontend = dvb_attach(mt352_attach, &dntv_live_dvbt_pro_config,
+		fe0->dvb.frontend = dvb_attach(mt352_attach,
+					       &dntv_live_dvbt_pro_config,
 					       &dev->vp3054->adap);
-		if (fe0->dvb.frontend != NULL) {
+		if (fe0->dvb.frontend) {
 			if (!dvb_attach(simple_tuner_attach, fe0->dvb.frontend,
 					&core->i2c_adap, 0x61,
 					TUNER_PHILIPS_FMD1216ME_MK3))
 				goto frontend_detach;
 		}
 #else
-		printk(KERN_ERR "%s/2: built without vp3054 support\n",
-				core->name);
+		pr_err("built without vp3054 support\n");
 #endif
 		break;
 	case CX88_BOARD_DVICO_FUSIONHDTV_DVB_T_HYBRID:
 		fe0->dvb.frontend = dvb_attach(zl10353_attach,
 					       &dvico_fusionhdtv_hybrid,
 					       &core->i2c_adap);
-		if (fe0->dvb.frontend != NULL) {
+		if (fe0->dvb.frontend) {
 			if (!dvb_attach(simple_tuner_attach, fe0->dvb.frontend,
-				   &core->i2c_adap, 0x61,
-				   TUNER_THOMSON_FE6600))
+					&core->i2c_adap, 0x61,
+					TUNER_THOMSON_FE6600))
 				goto frontend_detach;
 		}
 		break;
@@ -1203,7 +1200,7 @@ static int dvb_register(struct cx8802_dev *dev)
 		fe0->dvb.frontend = dvb_attach(zl10353_attach,
 					       &dvico_fusionhdtv_xc3028,
 					       &core->i2c_adap);
-		if (fe0->dvb.frontend == NULL)
+		if (!fe0->dvb.frontend)
 			fe0->dvb.frontend = dvb_attach(mt352_attach,
 						&dvico_fusionhdtv_mt352_xc3028,
 						&core->i2c_adap);
@@ -1220,7 +1217,7 @@ static int dvb_register(struct cx8802_dev *dev)
 	case CX88_BOARD_PCHDTV_HD3000:
 		fe0->dvb.frontend = dvb_attach(or51132_attach, &pchdtv_hd3000,
 					       &core->i2c_adap);
-		if (fe0->dvb.frontend != NULL) {
+		if (fe0->dvb.frontend) {
 			if (!dvb_attach(simple_tuner_attach, fe0->dvb.frontend,
 					&core->i2c_adap, 0x61,
 					TUNER_THOMSON_DTT761X))
@@ -1241,7 +1238,7 @@ static int dvb_register(struct cx8802_dev *dev)
 		fe0->dvb.frontend = dvb_attach(lgdt330x_attach,
 					       &fusionhdtv_3_gold,
 					       &core->i2c_adap);
-		if (fe0->dvb.frontend != NULL) {
+		if (fe0->dvb.frontend) {
 			if (!dvb_attach(simple_tuner_attach, fe0->dvb.frontend,
 					&core->i2c_adap, 0x61,
 					TUNER_MICROTUNE_4042FI5))
@@ -1259,7 +1256,7 @@ static int dvb_register(struct cx8802_dev *dev)
 		fe0->dvb.frontend = dvb_attach(lgdt330x_attach,
 					       &fusionhdtv_3_gold,
 					       &core->i2c_adap);
-		if (fe0->dvb.frontend != NULL) {
+		if (fe0->dvb.frontend) {
 			if (!dvb_attach(simple_tuner_attach, fe0->dvb.frontend,
 					&core->i2c_adap, 0x61,
 					TUNER_THOMSON_DTT761X))
@@ -1277,13 +1274,13 @@ static int dvb_register(struct cx8802_dev *dev)
 		fe0->dvb.frontend = dvb_attach(lgdt330x_attach,
 					       &fusionhdtv_5_gold,
 					       &core->i2c_adap);
-		if (fe0->dvb.frontend != NULL) {
+		if (fe0->dvb.frontend) {
 			if (!dvb_attach(simple_tuner_attach, fe0->dvb.frontend,
 					&core->i2c_adap, 0x61,
 					TUNER_LG_TDVS_H06XF))
 				goto frontend_detach;
 			if (!dvb_attach(tda9887_attach, fe0->dvb.frontend,
-				   &core->i2c_adap, 0x43))
+					&core->i2c_adap, 0x43))
 				goto frontend_detach;
 		}
 		break;
@@ -1298,13 +1295,13 @@ static int dvb_register(struct cx8802_dev *dev)
 		fe0->dvb.frontend = dvb_attach(lgdt330x_attach,
 					       &pchdtv_hd5500,
 					       &core->i2c_adap);
-		if (fe0->dvb.frontend != NULL) {
+		if (fe0->dvb.frontend) {
 			if (!dvb_attach(simple_tuner_attach, fe0->dvb.frontend,
 					&core->i2c_adap, 0x61,
 					TUNER_LG_TDVS_H06XF))
 				goto frontend_detach;
 			if (!dvb_attach(tda9887_attach, fe0->dvb.frontend,
-				   &core->i2c_adap, 0x43))
+					&core->i2c_adap, 0x43))
 				goto frontend_detach;
 		}
 		break;
@@ -1312,7 +1309,7 @@ static int dvb_register(struct cx8802_dev *dev)
 		fe0->dvb.frontend = dvb_attach(nxt200x_attach,
 					       &ati_hdtvwonder,
 					       &core->i2c_adap);
-		if (fe0->dvb.frontend != NULL) {
+		if (fe0->dvb.frontend) {
 			if (!dvb_attach(simple_tuner_attach, fe0->dvb.frontend,
 					&core->i2c_adap, 0x61,
 					TUNER_PHILIPS_TUV1236D))
@@ -1333,8 +1330,8 @@ static int dvb_register(struct cx8802_dev *dev)
 				override_tone = false;
 
 			if (!dvb_attach(isl6421_attach, fe0->dvb.frontend,
-					&core->i2c_adap, 0x08, ISL6421_DCL, 0x00,
-					override_tone))
+					&core->i2c_adap, 0x08, ISL6421_DCL,
+					0x00, override_tone))
 				goto frontend_detach;
 		}
 		break;
@@ -1360,7 +1357,7 @@ static int dvb_register(struct cx8802_dev *dev)
 		fe0->dvb.frontend = dvb_attach(s5h1409_attach,
 					       &pinnacle_pctv_hd_800i_config,
 					       &core->i2c_adap);
-		if (fe0->dvb.frontend != NULL) {
+		if (fe0->dvb.frontend) {
 			if (!dvb_attach(xc5000_attach, fe0->dvb.frontend,
 					&core->i2c_adap,
 					&pinnacle_pctv_hd_800i_tuner_config))
@@ -1369,9 +1366,9 @@ static int dvb_register(struct cx8802_dev *dev)
 		break;
 	case CX88_BOARD_DVICO_FUSIONHDTV_5_PCI_NANO:
 		fe0->dvb.frontend = dvb_attach(s5h1409_attach,
-						&dvico_hdtv5_pci_nano_config,
-						&core->i2c_adap);
-		if (fe0->dvb.frontend != NULL) {
+					       &dvico_hdtv5_pci_nano_config,
+					       &core->i2c_adap);
+		if (fe0->dvb.frontend) {
 			struct dvb_frontend *fe;
 			struct xc2028_config cfg = {
 				.i2c_adap  = &core->i2c_adap,
@@ -1385,7 +1382,7 @@ static int dvb_register(struct cx8802_dev *dev)
 
 			fe = dvb_attach(xc2028_attach,
 					fe0->dvb.frontend, &cfg);
-			if (fe != NULL && fe->ops.tuner_ops.set_config != NULL)
+			if (fe && fe->ops.tuner_ops.set_config)
 				fe->ops.tuner_ops.set_config(fe, &ctl);
 		}
 		break;
@@ -1427,7 +1424,7 @@ static int dvb_register(struct cx8802_dev *dev)
 		if (attach_xc3028(0x61, dev) < 0)
 			goto frontend_detach;
 		break;
-	 case CX88_BOARD_KWORLD_ATSC_120:
+	case CX88_BOARD_KWORLD_ATSC_120:
 		fe0->dvb.frontend = dvb_attach(s5h1409_attach,
 					       &kworld_atsc_120_config,
 					       &core->i2c_adap);
@@ -1438,7 +1435,7 @@ static int dvb_register(struct cx8802_dev *dev)
 		fe0->dvb.frontend = dvb_attach(s5h1411_attach,
 					       &dvico_fusionhdtv7_config,
 					       &core->i2c_adap);
-		if (fe0->dvb.frontend != NULL) {
+		if (fe0->dvb.frontend) {
 			if (!dvb_attach(xc5000_attach, fe0->dvb.frontend,
 					&core->i2c_adap,
 					&dvico_fusionhdtv7_tuner_config))
@@ -1451,8 +1448,8 @@ static int dvb_register(struct cx8802_dev *dev)
 		dev->frontends.gate = 2;
 		/* DVB-S/S2 Init */
 		fe0->dvb.frontend = dvb_attach(cx24116_attach,
-					&hauppauge_hvr4000_config,
-					&dev->core->i2c_adap);
+					       &hauppauge_hvr4000_config,
+					       &dev->core->i2c_adap);
 		if (fe0->dvb.frontend) {
 			if (!dvb_attach(isl6421_attach,
 					fe0->dvb.frontend,
@@ -1466,8 +1463,8 @@ static int dvb_register(struct cx8802_dev *dev)
 			goto frontend_detach;
 		/* DVB-T Init */
 		fe1->dvb.frontend = dvb_attach(cx22702_attach,
-					&hauppauge_hvr_config,
-					&dev->core->i2c_adap);
+					       &hauppauge_hvr_config,
+					       &dev->core->i2c_adap);
 		if (fe1->dvb.frontend) {
 			fe1->dvb.frontend->id = 1;
 			if (!dvb_attach(simple_tuner_attach,
@@ -1479,8 +1476,8 @@ static int dvb_register(struct cx8802_dev *dev)
 		break;
 	case CX88_BOARD_HAUPPAUGE_HVR4000LITE:
 		fe0->dvb.frontend = dvb_attach(cx24116_attach,
-					&hauppauge_hvr4000_config,
-					&dev->core->i2c_adap);
+					       &hauppauge_hvr4000_config,
+					       &dev->core->i2c_adap);
 		if (fe0->dvb.frontend) {
 			if (!dvb_attach(isl6421_attach,
 					fe0->dvb.frontend,
@@ -1495,7 +1492,7 @@ static int dvb_register(struct cx8802_dev *dev)
 		fe0->dvb.frontend = dvb_attach(stv0299_attach,
 						&tevii_tuner_sharp_config,
 						&core->i2c_adap);
-		if (fe0->dvb.frontend != NULL) {
+		if (fe0->dvb.frontend) {
 			if (!dvb_attach(dvb_pll_attach, fe0->dvb.frontend, 0x60,
 					&core->i2c_adap, DVB_PLL_OPERA1))
 				goto frontend_detach;
@@ -1506,8 +1503,9 @@ static int dvb_register(struct cx8802_dev *dev)
 			fe0->dvb.frontend = dvb_attach(stv0288_attach,
 							    &tevii_tuner_earda_config,
 							    &core->i2c_adap);
-			if (fe0->dvb.frontend != NULL) {
-				if (!dvb_attach(stb6000_attach, fe0->dvb.frontend, 0x61,
+			if (fe0->dvb.frontend) {
+				if (!dvb_attach(stb6000_attach,
+						fe0->dvb.frontend, 0x61,
 						&core->i2c_adap))
 					goto frontend_detach;
 				core->prev_set_voltage = fe0->dvb.frontend->ops.set_voltage;
@@ -1519,16 +1517,16 @@ static int dvb_register(struct cx8802_dev *dev)
 		fe0->dvb.frontend = dvb_attach(cx24116_attach,
 					       &tevii_s460_config,
 					       &core->i2c_adap);
-		if (fe0->dvb.frontend != NULL)
+		if (fe0->dvb.frontend)
 			fe0->dvb.frontend->ops.set_voltage = tevii_dvbs_set_voltage;
 		break;
 	case CX88_BOARD_TEVII_S464:
 		fe0->dvb.frontend = dvb_attach(ds3000_attach,
 						&tevii_ds3000_config,
 						&core->i2c_adap);
-		if (fe0->dvb.frontend != NULL) {
+		if (fe0->dvb.frontend) {
 			dvb_attach(ts2020_attach, fe0->dvb.frontend,
-				&tevii_ts2020_config, &core->i2c_adap);
+				   &tevii_ts2020_config, &core->i2c_adap);
 			fe0->dvb.frontend->ops.set_voltage =
 							tevii_dvbs_set_voltage;
 		}
@@ -1540,7 +1538,7 @@ static int dvb_register(struct cx8802_dev *dev)
 		fe0->dvb.frontend = dvb_attach(cx24116_attach,
 					       &hauppauge_hvr4000_config,
 					       &core->i2c_adap);
-		if (fe0->dvb.frontend != NULL)
+		if (fe0->dvb.frontend)
 			fe0->dvb.frontend->ops.set_voltage = tevii_dvbs_set_voltage;
 		break;
 	case CX88_BOARD_TERRATEC_CINERGY_HT_PCI_MKII:
@@ -1557,9 +1555,9 @@ static int dvb_register(struct cx8802_dev *dev)
 		struct dvb_tuner_ops *tuner_ops = NULL;
 
 		fe0->dvb.frontend = dvb_attach(stv0900_attach,
-						&prof_7301_stv0900_config,
-						&core->i2c_adap, 0);
-		if (fe0->dvb.frontend != NULL) {
+					       &prof_7301_stv0900_config,
+					       &core->i2c_adap, 0);
+		if (fe0->dvb.frontend) {
 			if (!dvb_attach(stb6100_attach, fe0->dvb.frontend,
 					&prof_7301_stb6100_config,
 					&core->i2c_adap))
@@ -1589,8 +1587,8 @@ static int dvb_register(struct cx8802_dev *dev)
 		mdelay(200);
 
 		fe0->dvb.frontend = dvb_attach(stv0299_attach,
-					&samsung_stv0299_config,
-					&dev->core->i2c_adap);
+					       &samsung_stv0299_config,
+					       &dev->core->i2c_adap);
 		if (fe0->dvb.frontend) {
 			fe0->dvb.frontend->ops.tuner_ops.set_params =
 				samsung_smt_7020_tuner_set_params;
@@ -1606,8 +1604,8 @@ static int dvb_register(struct cx8802_dev *dev)
 	case CX88_BOARD_TWINHAN_VP1027_DVBS:
 		dev->ts_gen_cntrl = 0x00;
 		fe0->dvb.frontend = dvb_attach(mb86a16_attach,
-						&twinhan_vp1027,
-						&core->i2c_adap);
+					       &twinhan_vp1027,
+					       &core->i2c_adap);
 		if (fe0->dvb.frontend) {
 			core->prev_set_voltage =
 					fe0->dvb.frontend->ops.set_voltage;
@@ -1617,15 +1615,12 @@ static int dvb_register(struct cx8802_dev *dev)
 		break;
 
 	default:
-		printk(KERN_ERR "%s/2: The frontend of your DVB/ATSC card isn't supported yet\n",
-		       core->name);
+		pr_err("The frontend of your DVB/ATSC card isn't supported yet\n");
 		break;
 	}
 
-	if ( (NULL == fe0->dvb.frontend) || (fe1 && NULL == fe1->dvb.frontend) ) {
-		printk(KERN_ERR
-		       "%s/2: frontend initialization failed\n",
-		       core->name);
+	if ((NULL == fe0->dvb.frontend) || (fe1 && NULL == fe1->dvb.frontend)) {
+		pr_err("frontend initialization failed\n");
 		goto frontend_detach;
 	}
 	/* define general-purpose callback pointer */
@@ -1660,7 +1655,8 @@ static int cx8802_dvb_advise_acquire(struct cx8802_driver *drv)
 {
 	struct cx88_core *core = drv->core;
 	int err = 0;
-	dprintk( 1, "%s\n", __func__);
+
+	dprintk(1, "%s\n", __func__);
 
 	switch (core->boardnr) {
 	case CX88_BOARD_HAUPPAUGE_HVR1300:
@@ -1724,7 +1720,8 @@ static int cx8802_dvb_advise_release(struct cx8802_driver *drv)
 {
 	struct cx88_core *core = drv->core;
 	int err = 0;
-	dprintk( 1, "%s\n", __func__);
+
+	dprintk(1, "%s\n", __func__);
 
 	switch (core->boardnr) {
 	case CX88_BOARD_HAUPPAUGE_HVR1300:
@@ -1747,8 +1744,8 @@ static int cx8802_dvb_probe(struct cx8802_driver *drv)
 	struct vb2_dvb_frontend *fe;
 	int i;
 
-	dprintk( 1, "%s\n", __func__);
-	dprintk( 1, " ->being probed by Card=%d Name=%s, PCI %02x:%02x\n",
+	dprintk(1, "%s\n", __func__);
+	dprintk(1, " ->being probed by Card=%d Name=%s, PCI %02x:%02x\n",
 		core->boardnr,
 		core->name,
 		core->pci_bus,
@@ -1760,25 +1757,25 @@ static int cx8802_dvb_probe(struct cx8802_driver *drv)
 
 	/* If vp3054 isn't enabled, a stub will just return 0 */
 	err = vp3054_i2c_probe(dev);
-	if (0 != err)
+	if (err != 0)
 		goto fail_core;
 
 	/* dvb stuff */
-	printk(KERN_INFO "%s/2: cx2388x based DVB/ATSC card\n", core->name);
+	pr_info("cx2388x based DVB/ATSC card\n");
 	dev->ts_gen_cntrl = 0x0c;
 
 	err = cx8802_alloc_frontends(dev);
 	if (err)
 		goto fail_core;
 
-	err = -ENODEV;
 	for (i = 1; i <= core->board.num_frontends; i++) {
 		struct vb2_queue *q;
 
 		fe = vb2_dvb_get_frontend(&core->dvbdev->frontends, i);
-		if (fe == NULL) {
-			printk(KERN_ERR "%s() failed to get frontend(%d)\n",
-					__func__, i);
+		if (!fe) {
+			pr_err("%s() failed to get frontend(%d)\n",
+			       __func__, i);
+			err = -ENODEV;
 			goto fail_probe;
 		}
 		q = &fe->dvb.dvbq;
@@ -1805,8 +1802,7 @@ static int cx8802_dvb_probe(struct cx8802_driver *drv)
 	err = dvb_register(dev);
 	if (err)
 		/* frontends/adapter de-allocated in dvb_register */
-		printk(KERN_ERR "%s/2: dvb_register failed (err = %d)\n",
-		       core->name, err);
+		pr_err("dvb_register failed (err = %d)\n", err);
 	return err;
 fail_probe:
 	vb2_dvb_dealloc_frontends(&core->dvbdev->frontends);
@@ -1819,7 +1815,7 @@ static int cx8802_dvb_remove(struct cx8802_driver *drv)
 	struct cx88_core *core = drv->core;
 	struct cx8802_dev *dev = drv->core->dvbdev;
 
-	dprintk( 1, "%s\n", __func__);
+	dprintk(1, "%s\n", __func__);
 
 	vb2_dvb_unregister_bus(&dev->frontends);
 
@@ -1841,8 +1837,7 @@ static struct cx8802_driver cx8802_dvb_driver = {
 
 static int __init dvb_init(void)
 {
-	printk(KERN_INFO "cx88/2: cx2388x dvb driver version %s loaded\n",
-	       CX88_VERSION);
+	pr_info("cx2388x dvb driver version %s loaded\n", CX88_VERSION);
 	return cx8802_register_driver(&cx8802_dvb_driver);
 }
 
diff --git a/drivers/media/pci/cx88/cx88-i2c.c b/drivers/media/pci/cx88/cx88-i2c.c
index cf2d69615838..f7692775fb5a 100644
--- a/drivers/media/pci/cx88/cx88-i2c.c
+++ b/drivers/media/pci/cx88/cx88-i2c.c
@@ -1,55 +1,53 @@
 
 /*
+ *
+ * cx88-i2c.c  --  all the i2c code is here
+ *
+ * Copyright (C) 1996,97,98 Ralph  Metzler (rjkm@thp.uni-koeln.de)
+ *			   & Marcus Metzler (mocm@thp.uni-koeln.de)
+ * (c) 2002 Yurij Sysoev <yurij@naturesoft.net>
+ * (c) 1999-2003 Gerd Knorr <kraxel@bytesex.org>
+ *
+ * (c) 2005 Mauro Carvalho Chehab <mchehab@infradead.org>
+ *	- Multituner support and i2c address binding
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
 
-    cx88-i2c.c  --  all the i2c code is here
-
-    Copyright (C) 1996,97,98 Ralph  Metzler (rjkm@thp.uni-koeln.de)
-			   & Marcus Metzler (mocm@thp.uni-koeln.de)
-    (c) 2002 Yurij Sysoev <yurij@naturesoft.net>
-    (c) 1999-2003 Gerd Knorr <kraxel@bytesex.org>
-
-    (c) 2005 Mauro Carvalho Chehab <mchehab@infradead.org>
-	- Multituner support and i2c address binding
-
-    This program is free software; you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation; either version 2 of the License, or
-    (at your option) any later version.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
-
-    You should have received a copy of the GNU General Public License
-    along with this program; if not, write to the Free Software
-    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-
-*/
+#include "cx88.h"
 
-#include <linux/module.h>
 #include <linux/init.h>
+#include <linux/io.h>
+#include <linux/module.h>
 
-#include <asm/io.h>
-
-#include "cx88.h"
 #include <media/v4l2-common.h>
 
 static unsigned int i2c_debug;
 module_param(i2c_debug, int, 0644);
-MODULE_PARM_DESC(i2c_debug,"enable debug messages [i2c]");
+MODULE_PARM_DESC(i2c_debug, "enable debug messages [i2c]");
 
 static unsigned int i2c_scan;
 module_param(i2c_scan, int, 0444);
-MODULE_PARM_DESC(i2c_scan,"scan i2c bus at insmod time");
+MODULE_PARM_DESC(i2c_scan, "scan i2c bus at insmod time");
 
 static unsigned int i2c_udelay = 5;
 module_param(i2c_udelay, int, 0644);
-MODULE_PARM_DESC(i2c_udelay,"i2c delay at insmod time, in usecs "
-		"(should be 5 or higher). Lower value means higher bus speed.");
+MODULE_PARM_DESC(i2c_udelay,
+		 "i2c delay at insmod time, in usecs (should be 5 or higher). Lower value means higher bus speed.");
 
-#define dprintk(level,fmt, arg...)	if (i2c_debug >= level) \
-	printk(KERN_DEBUG "%s: " fmt, core->name , ## arg)
+#define dprintk(level, fmt, arg...) do {				\
+	if (i2c_debug >= level)						\
+		printk(KERN_DEBUG pr_fmt("%s: i2c:" fmt),		\
+			__func__, ##arg);				\
+} while (0)
 
 /* ----------------------------------------------------------------------- */
 
@@ -109,26 +107,26 @@ static const struct i2c_algo_bit_data cx8800_i2c_algo_template = {
 /* ----------------------------------------------------------------------- */
 
 static const char * const i2c_devs[128] = {
-	[ 0x1c >> 1 ] = "lgdt330x",
-	[ 0x86 >> 1 ] = "tda9887/cx22702",
-	[ 0xa0 >> 1 ] = "eeprom",
-	[ 0xc0 >> 1 ] = "tuner (analog)",
-	[ 0xc2 >> 1 ] = "tuner (analog/dvb)",
-	[ 0xc8 >> 1 ] = "xc5000",
+	[0x1c >> 1] = "lgdt330x",
+	[0x86 >> 1] = "tda9887/cx22702",
+	[0xa0 >> 1] = "eeprom",
+	[0xc0 >> 1] = "tuner (analog)",
+	[0xc2 >> 1] = "tuner (analog/dvb)",
+	[0xc8 >> 1] = "xc5000",
 };
 
 static void do_i2c_scan(const char *name, struct i2c_client *c)
 {
 	unsigned char buf;
-	int i,rc;
+	int i, rc;
 
 	for (i = 0; i < ARRAY_SIZE(i2c_devs); i++) {
 		c->addr = i;
-		rc = i2c_master_recv(c,&buf,0);
+		rc = i2c_master_recv(c, &buf, 0);
 		if (rc < 0)
 			continue;
-		printk("%s: i2c scan: found device @ 0x%x  [%s]\n",
-		       name, i << 1, i2c_devs[i] ? i2c_devs[i] : "???");
+		pr_info("i2c scan: found device @ 0x%x  [%s]\n",
+			i << 1, i2c_devs[i] ? i2c_devs[i] : "???");
 	}
 }
 
@@ -136,14 +134,13 @@ static void do_i2c_scan(const char *name, struct i2c_client *c)
 int cx88_i2c_init(struct cx88_core *core, struct pci_dev *pci)
 {
 	/* Prevents usage of invalid delay values */
-	if (i2c_udelay<5)
-		i2c_udelay=5;
+	if (i2c_udelay < 5)
+		i2c_udelay = 5;
 
 	core->i2c_algo = cx8800_i2c_algo_template;
 
-
 	core->i2c_adap.dev.parent = &pci->dev;
-	strlcpy(core->i2c_adap.name,core->name,sizeof(core->i2c_adap.name));
+	strlcpy(core->i2c_adap.name, core->name, sizeof(core->i2c_adap.name));
 	core->i2c_adap.owner = THIS_MODULE;
 	core->i2c_algo.udelay = i2c_udelay;
 	core->i2c_algo.data = core;
@@ -152,32 +149,35 @@ int cx88_i2c_init(struct cx88_core *core, struct pci_dev *pci)
 	core->i2c_client.adapter = &core->i2c_adap;
 	strlcpy(core->i2c_client.name, "cx88xx internal", I2C_NAME_SIZE);
 
-	cx8800_bit_setscl(core,1);
-	cx8800_bit_setsda(core,1);
+	cx8800_bit_setscl(core, 1);
+	cx8800_bit_setsda(core, 1);
 
 	core->i2c_rc = i2c_bit_add_bus(&core->i2c_adap);
-	if (0 == core->i2c_rc) {
-		static u8 tuner_data[] =
-			{ 0x0b, 0xdc, 0x86, 0x52 };
-		static struct i2c_msg tuner_msg =
-			{ .flags = 0, .addr = 0xc2 >> 1, .buf = tuner_data, .len = 4 };
+	if (core->i2c_rc == 0) {
+		static u8 tuner_data[] = {
+			0x0b, 0xdc, 0x86, 0x52 };
+		static struct i2c_msg tuner_msg = {
+			.flags = 0,
+			.addr = 0xc2 >> 1,
+			.buf = tuner_data,
+			.len = 4
+		};
 
 		dprintk(1, "i2c register ok\n");
-		switch( core->boardnr ) {
-			case CX88_BOARD_HAUPPAUGE_HVR1300:
-			case CX88_BOARD_HAUPPAUGE_HVR3000:
-			case CX88_BOARD_HAUPPAUGE_HVR4000:
-				printk("%s: i2c init: enabling analog demod on HVR1300/3000/4000 tuner\n",
-					core->name);
-				i2c_transfer(core->i2c_client.adapter, &tuner_msg, 1);
-				break;
-			default:
-				break;
+		switch (core->boardnr) {
+		case CX88_BOARD_HAUPPAUGE_HVR1300:
+		case CX88_BOARD_HAUPPAUGE_HVR3000:
+		case CX88_BOARD_HAUPPAUGE_HVR4000:
+			pr_info("i2c init: enabling analog demod on HVR1300/3000/4000 tuner\n");
+			i2c_transfer(core->i2c_client.adapter, &tuner_msg, 1);
+			break;
+		default:
+			break;
 		}
 		if (i2c_scan)
-			do_i2c_scan(core->name,&core->i2c_client);
+			do_i2c_scan(core->name, &core->i2c_client);
 	} else
-		printk("%s: i2c register FAILED\n", core->name);
+		pr_err("i2c register FAILED\n");
 
 	return core->i2c_rc;
 }
diff --git a/drivers/media/pci/cx88/cx88-input.c b/drivers/media/pci/cx88/cx88-input.c
index cd7687183381..dcfea3502e42 100644
--- a/drivers/media/pci/cx88/cx88-input.c
+++ b/drivers/media/pci/cx88/cx88-input.c
@@ -16,19 +16,16 @@
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  */
 
+#include "cx88.h"
+
 #include <linux/init.h>
 #include <linux/hrtimer.h>
 #include <linux/pci.h>
 #include <linux/slab.h>
 #include <linux/module.h>
 
-#include "cx88.h"
 #include <media/rc-core.h>
 
 #define MODULE_NAME "cx88xx"
@@ -57,7 +54,7 @@ struct cx88_IR {
 	u32 mask_keyup;
 };
 
-static unsigned ir_samplerate = 4;
+static unsigned int ir_samplerate = 4;
 module_param(ir_samplerate, uint, 0444);
 MODULE_PARM_DESC(ir_samplerate, "IR samplerate in kHz, 1 - 20, default 4");
 
@@ -65,11 +62,15 @@ static int ir_debug;
 module_param(ir_debug, int, 0644);	/* debug level [IR] */
 MODULE_PARM_DESC(ir_debug, "enable debug messages [IR]");
 
-#define ir_dprintk(fmt, arg...)	if (ir_debug) \
-	printk(KERN_DEBUG "%s IR: " fmt , ir->core->name , ##arg)
+#define ir_dprintk(fmt, arg...)	do {					\
+	if (ir_debug)							\
+		printk(KERN_DEBUG "%s IR: " fmt, ir->core->name, ##arg);\
+} while (0)
 
-#define dprintk(fmt, arg...)	if (ir_debug) \
-	printk(KERN_DEBUG "cx88 IR: " fmt , ##arg)
+#define dprintk(fmt, arg...) do {					\
+	if (ir_debug)							\
+		printk(KERN_DEBUG "cx88 IR: " fmt, ##arg);		\
+} while (0)
 
 /* ---------------------------------------------------------------------- */
 
@@ -82,21 +83,22 @@ static void cx88_ir_handle_key(struct cx88_IR *ir)
 	gpio = cx_read(ir->gpio_addr);
 	switch (core->boardnr) {
 	case CX88_BOARD_NPGTECH_REALTV_TOP10FM:
-		/* This board apparently uses a combination of 2 GPIO
-		   to represent the keys. Additionally, the second GPIO
-		   can be used for parity.
-
-		   Example:
-
-		   for key "5"
-			gpio = 0x758, auxgpio = 0xe5 or 0xf5
-		   for key "Power"
-			gpio = 0x758, auxgpio = 0xed or 0xfd
+		/*
+		 * This board apparently uses a combination of 2 GPIO
+		 * to represent the keys. Additionally, the second GPIO
+		 * can be used for parity.
+		 *
+		 * Example:
+		 *
+		 * for key "5"
+		 *	gpio = 0x758, auxgpio = 0xe5 or 0xf5
+		 * for key "Power"
+		 *	gpio = 0x758, auxgpio = 0xed or 0xfd
 		 */
 
 		auxgpio = cx_read(MO_GP1_IO);
 		/* Take out the parity part */
-		gpio=(gpio & 0x7fd) + (auxgpio & 0xef);
+		gpio = (gpio & 0x7fd) + (auxgpio & 0xef);
 		break;
 	case CX88_BOARD_WINFAST_DTV1000:
 	case CX88_BOARD_WINFAST_DTV1800H:
@@ -145,7 +147,7 @@ static void cx88_ir_handle_key(struct cx88_IR *ir)
 
 		if (0 == (gpio & ir->mask_keyup))
 			rc_keydown_notimeout(ir->dev, RC_TYPE_NECX, scancode,
-									0);
+					     0);
 		else
 			rc_keyup(ir->dev);
 
@@ -234,12 +236,14 @@ int cx88_ir_start(struct cx88_core *core)
 
 	return 0;
 }
+EXPORT_SYMBOL(cx88_ir_start);
 
 void cx88_ir_stop(struct cx88_core *core)
 {
 	if (core->ir->users)
 		__cx88_ir_stop(core);
 }
+EXPORT_SYMBOL(cx88_ir_stop);
 
 static int cx88_ir_open(struct rc_dev *rc)
 {
@@ -511,7 +515,7 @@ int cx88_ir_fini(struct cx88_core *core)
 	struct cx88_IR *ir = core->ir;
 
 	/* skip detach on non attached boards */
-	if (NULL == ir)
+	if (!ir)
 		return 0;
 
 	cx88_ir_stop(core);
@@ -529,7 +533,7 @@ void cx88_ir_irq(struct cx88_core *core)
 {
 	struct cx88_IR *ir = core->ir;
 	u32 samples;
-	unsigned todo, bits;
+	unsigned int todo, bits;
 	struct ir_raw_event ev;
 
 	if (!ir || !ir->sampling)
@@ -579,7 +583,7 @@ static int get_key_pvr2000(struct IR_i2c *ir, enum rc_type *protocol,
 	}
 
 	dprintk("IR Key/Flags: (0x%02x/0x%02x)\n",
-		   code & 0xff, flags & 0xff);
+		code & 0xff, flags & 0xff);
 
 	*protocol = RC_TYPE_UNKNOWN;
 	*scancode = code & 0xff;
@@ -601,7 +605,7 @@ void cx88_i2c_init_ir(struct cx88_core *core)
 	const unsigned short *addr_list = default_addr_list;
 	const unsigned short *addrp;
 	/* Instantiate the IR receiver device, if present */
-	if (0 != core->i2c_rc)
+	if (core->i2c_rc != 0)
 		return;
 
 	memset(&info, 0, sizeof(struct i2c_board_info));
@@ -639,8 +643,8 @@ void cx88_i2c_init_ir(struct cx88_core *core)
 			info.platform_data = &core->init_data;
 		}
 		if (i2c_smbus_xfer(&core->i2c_adap, *addrp, 0,
-					I2C_SMBUS_READ, 0,
-					I2C_SMBUS_QUICK, NULL) >= 0) {
+				   I2C_SMBUS_READ, 0,
+				   I2C_SMBUS_QUICK, NULL) >= 0) {
 			info.addr = *addrp;
 			i2c_new_device(&core->i2c_adap, &info);
 			break;
diff --git a/drivers/media/pci/cx88/cx88-mpeg.c b/drivers/media/pci/cx88/cx88-mpeg.c
index 245357adbc25..52ff00ebd4bd 100644
--- a/drivers/media/pci/cx88/cx88-mpeg.c
+++ b/drivers/media/pci/cx88/cx88-mpeg.c
@@ -16,21 +16,17 @@
  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with this program; if not, write to the Free Software
- *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
 
+#include "cx88.h"
+
 #include <linux/module.h>
 #include <linux/slab.h>
 #include <linux/init.h>
 #include <linux/device.h>
 #include <linux/dma-mapping.h>
 #include <linux/interrupt.h>
-#include <asm/delay.h>
-
-#include "cx88.h"
+#include <linux/delay.h>
 
 /* ------------------------------------------------------------------ */
 
@@ -42,23 +38,20 @@ MODULE_LICENSE("GPL");
 MODULE_VERSION(CX88_VERSION);
 
 static unsigned int debug;
-module_param(debug,int,0644);
-MODULE_PARM_DESC(debug,"enable debug messages [mpeg]");
+module_param(debug, int, 0644);
+MODULE_PARM_DESC(debug, "enable debug messages [mpeg]");
 
-#define dprintk(level, fmt, arg...) do {				       \
-	if (debug + 1 > level)						       \
-		printk(KERN_DEBUG "%s/2-mpeg: " fmt, dev->core->name, ## arg); \
-} while(0)
-
-#define mpeg_dbg(level, fmt, arg...) do {				  \
-	if (debug + 1 > level)						  \
-		printk(KERN_DEBUG "%s/2-mpeg: " fmt, core->name, ## arg); \
-} while(0)
+#define dprintk(level, fmt, arg...) do {				\
+	if (debug + 1 > level)						\
+		printk(KERN_DEBUG pr_fmt("%s: mpeg:" fmt),		\
+			__func__, ##arg);				\
+} while (0)
 
 #if defined(CONFIG_MODULES) && defined(MODULE)
 static void request_module_async(struct work_struct *work)
 {
-	struct cx8802_dev *dev=container_of(work, struct cx8802_dev, request_module_wk);
+	struct cx8802_dev *dev = container_of(work, struct cx8802_dev,
+					      request_module_wk);
 
 	if (dev->core->board.mpeg & CX88_MPEG_DVB)
 		request_module("cx88-dvb");
@@ -81,18 +74,17 @@ static void flush_request_modules(struct cx8802_dev *dev)
 #define flush_request_modules(dev)
 #endif /* CONFIG_MODULES */
 
-
 static LIST_HEAD(cx8802_devlist);
 static DEFINE_MUTEX(cx8802_mutex);
 /* ------------------------------------------------------------------ */
 
 int cx8802_start_dma(struct cx8802_dev    *dev,
-			    struct cx88_dmaqueue *q,
-			    struct cx88_buffer   *buf)
+		     struct cx88_dmaqueue *q,
+		     struct cx88_buffer   *buf)
 {
 	struct cx88_core *core = dev->core;
 
-	dprintk(1, "cx8802_start_dma w: %d, h: %d, f: %d\n",
+	dprintk(1, "w: %d, h: %d, f: %d\n",
 		core->width, core->height, core->field);
 
 	/* setup fifo + format */
@@ -102,33 +94,35 @@ int cx8802_start_dma(struct cx8802_dev    *dev,
 	/* write TS length to chip */
 	cx_write(MO_TS_LNGTH, dev->ts_packet_size);
 
-	/* FIXME: this needs a review.
-	 * also: move to cx88-blackbird + cx88-dvb source files? */
+	/*
+	 * FIXME: this needs a review.
+	 * also: move to cx88-blackbird + cx88-dvb source files?
+	 */
 
-	dprintk( 1, "core->active_type_id = 0x%08x\n", core->active_type_id);
+	dprintk(1, "core->active_type_id = 0x%08x\n", core->active_type_id);
 
-	if ( (core->active_type_id == CX88_MPEG_DVB) &&
-		(core->board.mpeg & CX88_MPEG_DVB) ) {
-
-		dprintk( 1, "cx8802_start_dma doing .dvb\n");
+	if ((core->active_type_id == CX88_MPEG_DVB) &&
+	    (core->board.mpeg & CX88_MPEG_DVB)) {
+		dprintk(1, "cx8802_start_dma doing .dvb\n");
 		/* negedge driven & software reset */
 		cx_write(TS_GEN_CNTRL, 0x0040 | dev->ts_gen_cntrl);
 		udelay(100);
 		cx_write(MO_PINMUX_IO, 0x00);
-		cx_write(TS_HW_SOP_CNTRL, 0x47<<16|188<<4|0x01);
+		cx_write(TS_HW_SOP_CNTRL, 0x47 << 16 | 188 << 4 | 0x01);
 		switch (core->boardnr) {
 		case CX88_BOARD_DVICO_FUSIONHDTV_3_GOLD_Q:
 		case CX88_BOARD_DVICO_FUSIONHDTV_3_GOLD_T:
 		case CX88_BOARD_DVICO_FUSIONHDTV_5_GOLD:
 		case CX88_BOARD_PCHDTV_HD5500:
-			cx_write(TS_SOP_STAT, 1<<13);
+			cx_write(TS_SOP_STAT, 1 << 13);
 			break;
 		case CX88_BOARD_SAMSUNG_SMT_7020:
 			cx_write(TS_SOP_STAT, 0x00);
 			break;
 		case CX88_BOARD_HAUPPAUGE_NOVASPLUS_S1:
 		case CX88_BOARD_HAUPPAUGE_NOVASE2_S1:
-			cx_write(MO_PINMUX_IO, 0x88); /* Enable MPEG parallel IO and video signal pins */
+			/* Enable MPEG parallel IO and video signal pins */
+			cx_write(MO_PINMUX_IO, 0x88);
 			udelay(100);
 			break;
 		case CX88_BOARD_HAUPPAUGE_HVR1300:
@@ -152,22 +146,24 @@ int cx8802_start_dma(struct cx8802_dev    *dev,
 		}
 		cx_write(TS_GEN_CNTRL, dev->ts_gen_cntrl);
 		udelay(100);
-	} else if ( (core->active_type_id == CX88_MPEG_BLACKBIRD) &&
-		(core->board.mpeg & CX88_MPEG_BLACKBIRD) ) {
-		dprintk( 1, "cx8802_start_dma doing .blackbird\n");
+	} else if ((core->active_type_id == CX88_MPEG_BLACKBIRD) &&
+		(core->board.mpeg & CX88_MPEG_BLACKBIRD)) {
+		dprintk(1, "cx8802_start_dma doing .blackbird\n");
 		cx_write(MO_PINMUX_IO, 0x88); /* enable MPEG parallel IO */
 
-		cx_write(TS_GEN_CNTRL, 0x46); /* punctured clock TS & posedge driven & software reset */
+		/* punctured clock TS & posedge driven & software reset */
+		cx_write(TS_GEN_CNTRL, 0x46);
 		udelay(100);
 
 		cx_write(TS_HW_SOP_CNTRL, 0x408); /* mpeg start byte */
 		cx_write(TS_VALERR_CNTRL, 0x2000);
 
-		cx_write(TS_GEN_CNTRL, 0x06); /* punctured clock TS & posedge driven */
+		/* punctured clock TS & posedge driven */
+		cx_write(TS_GEN_CNTRL, 0x06);
 		udelay(100);
 	} else {
-		printk( "%s() Failed. Unsupported value in .mpeg (0x%08x)\n", __func__,
-			core->board.mpeg );
+		pr_err("%s() Failed. Unsupported value in .mpeg (0x%08x)\n",
+		       __func__, core->board.mpeg);
 		return -EINVAL;
 	}
 
@@ -176,20 +172,22 @@ int cx8802_start_dma(struct cx8802_dev    *dev,
 	q->count = 0;
 
 	/* enable irqs */
-	dprintk( 1, "setting the interrupt mask\n" );
+	dprintk(1, "setting the interrupt mask\n");
 	cx_set(MO_PCI_INTMSK, core->pci_irqmask | PCI_INT_TSINT);
 	cx_set(MO_TS_INTMSK,  0x1f0011);
 
 	/* start dma */
-	cx_set(MO_DEV_CNTRL2, (1<<5));
+	cx_set(MO_DEV_CNTRL2, (1 << 5));
 	cx_set(MO_TS_DMACNTRL, 0x11);
 	return 0;
 }
+EXPORT_SYMBOL(cx8802_start_dma);
 
 static int cx8802_stop_dma(struct cx8802_dev *dev)
 {
 	struct cx88_core *core = dev->core;
-	dprintk( 1, "cx8802_stop_dma\n" );
+
+	dprintk(1, "\n");
 
 	/* stop dma */
 	cx_clear(MO_TS_DMACNTRL, 0x11);
@@ -208,12 +206,12 @@ static int cx8802_restart_queue(struct cx8802_dev    *dev,
 {
 	struct cx88_buffer *buf;
 
-	dprintk( 1, "cx8802_restart_queue\n" );
+	dprintk(1, "\n");
 	if (list_empty(&q->active))
 		return 0;
 
 	buf = list_entry(q->active.next, struct cx88_buffer, list);
-	dprintk(2,"restart_queue [%p/%d]: restart dma\n",
+	dprintk(2, "restart_queue [%p/%d]: restart dma\n",
 		buf, buf->vb.vb2_buf.index);
 	cx8802_start_dma(dev, q, buf);
 	return 0;
@@ -222,7 +220,7 @@ static int cx8802_restart_queue(struct cx8802_dev    *dev,
 /* ------------------------------------------------------------------ */
 
 int cx8802_buf_prepare(struct vb2_queue *q, struct cx8802_dev *dev,
-			struct cx88_buffer *buf)
+		       struct cx88_buffer *buf)
 {
 	int size = dev->ts_packet_size * dev->ts_packet_count;
 	struct sg_table *sgt = vb2_dma_sg_plane_desc(&buf->vb.vb2_buf, 0);
@@ -234,43 +232,46 @@ int cx8802_buf_prepare(struct vb2_queue *q, struct cx8802_dev *dev,
 	vb2_set_plane_payload(&buf->vb.vb2_buf, 0, size);
 
 	rc = cx88_risc_databuffer(dev->pci, risc, sgt->sgl,
-			     dev->ts_packet_size, dev->ts_packet_count, 0);
+				  dev->ts_packet_size, dev->ts_packet_count, 0);
 	if (rc) {
 		if (risc->cpu)
-			pci_free_consistent(dev->pci, risc->size, risc->cpu, risc->dma);
+			pci_free_consistent(dev->pci, risc->size,
+					    risc->cpu, risc->dma);
 		memset(risc, 0, sizeof(*risc));
 		return rc;
 	}
 	return 0;
 }
+EXPORT_SYMBOL(cx8802_buf_prepare);
 
 void cx8802_buf_queue(struct cx8802_dev *dev, struct cx88_buffer *buf)
 {
 	struct cx88_buffer    *prev;
 	struct cx88_dmaqueue  *cx88q = &dev->mpegq;
 
-	dprintk( 1, "cx8802_buf_queue\n" );
+	dprintk(1, "\n");
 	/* add jump to start */
 	buf->risc.cpu[1] = cpu_to_le32(buf->risc.dma + 8);
 	buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_CNT_INC);
 	buf->risc.jmp[1] = cpu_to_le32(buf->risc.dma + 8);
 
 	if (list_empty(&cx88q->active)) {
-		dprintk( 1, "queue is empty - first active\n" );
+		dprintk(1, "queue is empty - first active\n");
 		list_add_tail(&buf->list, &cx88q->active);
-		dprintk(1,"[%p/%d] %s - first active\n",
+		dprintk(1, "[%p/%d] %s - first active\n",
 			buf, buf->vb.vb2_buf.index, __func__);
 
 	} else {
 		buf->risc.cpu[0] |= cpu_to_le32(RISC_IRQ1);
-		dprintk( 1, "queue is not empty - append to active\n" );
+		dprintk(1, "queue is not empty - append to active\n");
 		prev = list_entry(cx88q->active.prev, struct cx88_buffer, list);
 		list_add_tail(&buf->list, &cx88q->active);
 		prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
-		dprintk( 1, "[%p/%d] %s - append to active\n",
+		dprintk(1, "[%p/%d] %s - append to active\n",
 			buf, buf->vb.vb2_buf.index, __func__);
 	}
 }
+EXPORT_SYMBOL(cx8802_buf_queue);
 
 /* ----------------------------------------------------------- */
 
@@ -280,23 +281,24 @@ static void do_cancel_buffers(struct cx8802_dev *dev)
 	struct cx88_buffer *buf;
 	unsigned long flags;
 
-	spin_lock_irqsave(&dev->slock,flags);
+	spin_lock_irqsave(&dev->slock, flags);
 	while (!list_empty(&q->active)) {
 		buf = list_entry(q->active.next, struct cx88_buffer, list);
 		list_del(&buf->list);
 		vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR);
 	}
-	spin_unlock_irqrestore(&dev->slock,flags);
+	spin_unlock_irqrestore(&dev->slock, flags);
 }
 
 void cx8802_cancel_buffers(struct cx8802_dev *dev)
 {
-	dprintk( 1, "cx8802_cancel_buffers" );
+	dprintk(1, "\n");
 	cx8802_stop_dma(dev);
 	do_cancel_buffers(dev);
 }
+EXPORT_SYMBOL(cx8802_cancel_buffers);
 
-static const char * cx88_mpeg_irqs[32] = {
+static const char *cx88_mpeg_irqs[32] = {
 	"ts_risci1", NULL, NULL, NULL,
 	"ts_risci2", NULL, NULL, NULL,
 	"ts_oflow",  NULL, NULL, NULL,
@@ -310,7 +312,7 @@ static void cx8802_mpeg_irq(struct cx8802_dev *dev)
 	struct cx88_core *core = dev->core;
 	u32 status, mask, count;
 
-	dprintk( 1, "cx8802_mpeg_irq\n" );
+	dprintk(1, "\n");
 	status = cx_read(MO_TS_INTSTAT);
 	mask   = cx_read(MO_TS_INTMSK);
 	if (0 == (status & mask))
@@ -319,20 +321,21 @@ static void cx8802_mpeg_irq(struct cx8802_dev *dev)
 	cx_write(MO_TS_INTSTAT, status);
 
 	if (debug || (status & mask & ~0xff))
-		cx88_print_irqbits(core->name, "irq mpeg ",
+		cx88_print_irqbits("irq mpeg ",
 				   cx88_mpeg_irqs, ARRAY_SIZE(cx88_mpeg_irqs),
 				   status, mask);
 
 	/* risc op code error */
 	if (status & (1 << 16)) {
-		printk(KERN_WARNING "%s: mpeg risc op code error\n",core->name);
+		pr_warn("mpeg risc op code error\n");
 		cx_clear(MO_TS_DMACNTRL, 0x11);
-		cx88_sram_channel_dump(dev->core, &cx88_sram_channels[SRAM_CH28]);
+		cx88_sram_channel_dump(dev->core,
+				       &cx88_sram_channels[SRAM_CH28]);
 	}
 
 	/* risc1 y */
 	if (status & 0x01) {
-		dprintk( 1, "wake up\n" );
+		dprintk(1, "wake up\n");
 		spin_lock(&dev->slock);
 		count = cx_read(MO_TS_GPCNT);
 		cx88_wakeup(dev->core, &dev->mpegq, count);
@@ -341,7 +344,7 @@ static void cx8802_mpeg_irq(struct cx8802_dev *dev)
 
 	/* other general errors */
 	if (status & 0x1f0100) {
-		dprintk( 0, "general errors: 0x%08x\n", status & 0x1f0100 );
+		dprintk(0, "general errors: 0x%08x\n", status & 0x1f0100);
 		spin_lock(&dev->slock);
 		cx8802_stop_dma(dev);
 		spin_unlock(&dev->slock);
@@ -360,24 +363,23 @@ static irqreturn_t cx8802_irq(int irq, void *dev_id)
 	for (loop = 0; loop < MAX_IRQ_LOOP; loop++) {
 		status = cx_read(MO_PCI_INTSTAT) &
 			(core->pci_irqmask | PCI_INT_TSINT);
-		if (0 == status)
+		if (status == 0)
 			goto out;
-		dprintk( 1, "cx8802_irq\n" );
-		dprintk( 1, "    loop: %d/%d\n", loop, MAX_IRQ_LOOP );
-		dprintk( 1, "    status: %d\n", status );
+		dprintk(1, "cx8802_irq\n");
+		dprintk(1, "    loop: %d/%d\n", loop, MAX_IRQ_LOOP);
+		dprintk(1, "    status: %d\n", status);
 		handled = 1;
 		cx_write(MO_PCI_INTSTAT, status);
 
 		if (status & core->pci_irqmask)
-			cx88_core_irq(core,status);
+			cx88_core_irq(core, status);
 		if (status & PCI_INT_TSINT)
 			cx8802_mpeg_irq(dev);
 	}
-	if (MAX_IRQ_LOOP == loop) {
-		dprintk( 0, "clearing mask\n" );
-		printk(KERN_WARNING "%s/0: irq loop -- clearing mask\n",
-		       core->name);
-		cx_write(MO_PCI_INTMSK,0);
+	if (loop == MAX_IRQ_LOOP) {
+		dprintk(0, "clearing mask\n");
+		pr_warn("irq loop -- clearing mask\n");
+		cx_write(MO_PCI_INTMSK, 0);
 	}
 
  out:
@@ -393,18 +395,18 @@ static int cx8802_init_common(struct cx8802_dev *dev)
 	if (pci_enable_device(dev->pci))
 		return -EIO;
 	pci_set_master(dev->pci);
-	err = pci_set_dma_mask(dev->pci,DMA_BIT_MASK(32));
+	err = pci_set_dma_mask(dev->pci, DMA_BIT_MASK(32));
 	if (err) {
-		printk("%s/2: Oops: no 32bit PCI DMA ???\n",dev->core->name);
+		pr_err("Oops: no 32bit PCI DMA ???\n");
 		return -EIO;
 	}
 
 	dev->pci_rev = dev->pci->revision;
 	pci_read_config_byte(dev->pci, PCI_LATENCY_TIMER,  &dev->pci_lat);
-	printk(KERN_INFO "%s/2: found at %s, rev: %d, irq: %d, "
-	       "latency: %d, mmio: 0x%llx\n", dev->core->name,
-	       pci_name(dev->pci), dev->pci_rev, dev->pci->irq,
-	       dev->pci_lat,(unsigned long long)pci_resource_start(dev->pci,0));
+	pr_info("found at %s, rev: %d, irq: %d, latency: %d, mmio: 0x%llx\n",
+		pci_name(dev->pci), dev->pci_rev, dev->pci->irq,
+		dev->pci_lat,
+		(unsigned long long)pci_resource_start(dev->pci, 0));
 
 	/* initialize driver struct */
 	spin_lock_init(&dev->slock);
@@ -416,20 +418,19 @@ static int cx8802_init_common(struct cx8802_dev *dev)
 	err = request_irq(dev->pci->irq, cx8802_irq,
 			  IRQF_SHARED, dev->core->name, dev);
 	if (err < 0) {
-		printk(KERN_ERR "%s: can't get IRQ %d\n",
-		       dev->core->name, dev->pci->irq);
+		pr_err("can't get IRQ %d\n", dev->pci->irq);
 		return err;
 	}
 	cx_set(MO_PCI_INTMSK, core->pci_irqmask);
 
 	/* everything worked */
-	pci_set_drvdata(dev->pci,dev);
+	pci_set_drvdata(dev->pci, dev);
 	return 0;
 }
 
 static void cx8802_fini_common(struct cx8802_dev *dev)
 {
-	dprintk( 2, "cx8802_fini_common\n" );
+	dprintk(2, "\n");
 	cx8802_stop_dma(dev);
 	pci_disable_device(dev->pci);
 
@@ -442,14 +443,13 @@ static void cx8802_fini_common(struct cx8802_dev *dev)
 static int cx8802_suspend_common(struct pci_dev *pci_dev, pm_message_t state)
 {
 	struct cx8802_dev *dev = pci_get_drvdata(pci_dev);
-	struct cx88_core *core = dev->core;
 	unsigned long flags;
 
 	/* stop mpeg dma */
 	spin_lock_irqsave(&dev->slock, flags);
 	if (!list_empty(&dev->mpegq.active)) {
-		dprintk( 2, "suspend\n" );
-		printk("%s: suspend mpeg\n", core->name);
+		dprintk(2, "suspend\n");
+		pr_info("suspend mpeg\n");
 		cx8802_stop_dma(dev);
 	}
 	spin_unlock_irqrestore(&dev->slock, flags);
@@ -458,7 +458,8 @@ static int cx8802_suspend_common(struct pci_dev *pci_dev, pm_message_t state)
 	cx88_shutdown(dev->core);
 
 	pci_save_state(pci_dev);
-	if (0 != pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state))) {
+	if (pci_set_power_state(pci_dev,
+				pci_choose_state(pci_dev, state)) != 0) {
 		pci_disable_device(pci_dev);
 		dev->state.disabled = 1;
 	}
@@ -468,23 +469,20 @@ static int cx8802_suspend_common(struct pci_dev *pci_dev, pm_message_t state)
 static int cx8802_resume_common(struct pci_dev *pci_dev)
 {
 	struct cx8802_dev *dev = pci_get_drvdata(pci_dev);
-	struct cx88_core *core = dev->core;
 	unsigned long flags;
 	int err;
 
 	if (dev->state.disabled) {
-		err=pci_enable_device(pci_dev);
+		err = pci_enable_device(pci_dev);
 		if (err) {
-			printk(KERN_ERR "%s: can't enable device\n",
-					       dev->core->name);
+			pr_err("can't enable device\n");
 			return err;
 		}
 		dev->state.disabled = 0;
 	}
-	err=pci_set_power_state(pci_dev, PCI_D0);
+	err = pci_set_power_state(pci_dev, PCI_D0);
 	if (err) {
-		printk(KERN_ERR "%s: can't enable device\n",
-					       dev->core->name);
+		pr_err("can't enable device\n");
 		pci_disable_device(pci_dev);
 		dev->state.disabled = 1;
 
@@ -498,15 +496,16 @@ static int cx8802_resume_common(struct pci_dev *pci_dev)
 	/* restart video+vbi capture */
 	spin_lock_irqsave(&dev->slock, flags);
 	if (!list_empty(&dev->mpegq.active)) {
-		printk("%s: resume mpeg\n", core->name);
-		cx8802_restart_queue(dev,&dev->mpegq);
+		pr_info("resume mpeg\n");
+		cx8802_restart_queue(dev, &dev->mpegq);
 	}
 	spin_unlock_irqrestore(&dev->slock, flags);
 
 	return 0;
 }
 
-struct cx8802_driver * cx8802_get_driver(struct cx8802_dev *dev, enum cx88_board_type btype)
+struct cx8802_driver *cx8802_get_driver(struct cx8802_dev *dev,
+					enum cx88_board_type btype)
 {
 	struct cx8802_driver *d;
 
@@ -516,6 +515,7 @@ struct cx8802_driver * cx8802_get_driver(struct cx8802_dev *dev, enum cx88_board
 
 	return NULL;
 }
+EXPORT_SYMBOL(cx8802_get_driver);
 
 /* Driver asked for hardware access. */
 static int cx8802_request_acquire(struct cx8802_driver *drv)
@@ -533,7 +533,8 @@ static int cx8802_request_acquire(struct cx8802_driver *drv)
 		core->last_analog_input = core->input;
 		core->input = 0;
 		for (i = 0;
-		     i < (sizeof(core->board.input) / sizeof(struct cx88_input));
+		     i < (sizeof(core->board.input) /
+			  sizeof(struct cx88_input));
 		     i++) {
 			if (core->board.input[i].type == CX88_VMUX_DVB) {
 				core->input = i;
@@ -542,15 +543,14 @@ static int cx8802_request_acquire(struct cx8802_driver *drv)
 		}
 	}
 
-	if (drv->advise_acquire)
-	{
+	if (drv->advise_acquire) {
 		core->active_ref++;
 		if (core->active_type_id == CX88_BOARD_NONE) {
 			core->active_type_id = drv->type_id;
 			drv->advise_acquire(drv);
 		}
 
-		mpeg_dbg(1,"%s() Post acquire GPIO=%x\n", __func__, cx_read(MO_GP0_IO));
+		dprintk(1, "Post acquire GPIO=%x\n", cx_read(MO_GP0_IO));
 	}
 
 	return 0;
@@ -561,17 +561,18 @@ static int cx8802_request_release(struct cx8802_driver *drv)
 {
 	struct cx88_core *core = drv->core;
 
-	if (drv->advise_release && --core->active_ref == 0)
-	{
+	if (drv->advise_release && --core->active_ref == 0) {
 		if (drv->type_id == CX88_MPEG_DVB) {
-			/* If the DVB driver is releasing, reset the input
-			   state to the last configured analog input */
+			/*
+			 * If the DVB driver is releasing, reset the input
+			 * state to the last configured analog input
+			 */
 			core->input = core->last_analog_input;
 		}
 
 		drv->advise_release(drv);
 		core->active_type_id = CX88_BOARD_NONE;
-		mpeg_dbg(1,"%s() Post release GPIO=%x\n", __func__, cx_read(MO_GP0_IO));
+		dprintk(1, "Post release GPIO=%x\n", cx_read(MO_GP0_IO));
 	}
 
 	return 0;
@@ -579,21 +580,21 @@ static int cx8802_request_release(struct cx8802_driver *drv)
 
 static int cx8802_check_driver(struct cx8802_driver *drv)
 {
-	if (drv == NULL)
+	if (!drv)
 		return -ENODEV;
 
 	if ((drv->type_id != CX88_MPEG_DVB) &&
-		(drv->type_id != CX88_MPEG_BLACKBIRD))
+	    (drv->type_id != CX88_MPEG_BLACKBIRD))
 		return -EINVAL;
 
 	if ((drv->hw_access != CX8802_DRVCTL_SHARED) &&
-		(drv->hw_access != CX8802_DRVCTL_EXCLUSIVE))
+	    (drv->hw_access != CX8802_DRVCTL_EXCLUSIVE))
 		return -EINVAL;
 
-	if ((drv->probe == NULL) ||
-		(drv->remove == NULL) ||
-		(drv->advise_acquire == NULL) ||
-		(drv->advise_release == NULL))
+	if ((!drv->probe) ||
+	    (!drv->remove) ||
+	    (!drv->advise_acquire) ||
+	    (!drv->advise_release))
 		return -EINVAL;
 
 	return 0;
@@ -605,28 +606,28 @@ int cx8802_register_driver(struct cx8802_driver *drv)
 	struct cx8802_driver *driver;
 	int err, i = 0;
 
-	printk(KERN_INFO
-	       "cx88/2: registering cx8802 driver, type: %s access: %s\n",
-	       drv->type_id == CX88_MPEG_DVB ? "dvb" : "blackbird",
-	       drv->hw_access == CX8802_DRVCTL_SHARED ? "shared" : "exclusive");
+	pr_info("registering cx8802 driver, type: %s access: %s\n",
+		drv->type_id == CX88_MPEG_DVB ? "dvb" : "blackbird",
+		drv->hw_access == CX8802_DRVCTL_SHARED ?
+				  "shared" : "exclusive");
 
-	if ((err = cx8802_check_driver(drv)) != 0) {
-		printk(KERN_ERR "cx88/2: cx8802_driver is invalid\n");
+	err = cx8802_check_driver(drv);
+	if (err) {
+		pr_err("cx8802_driver is invalid\n");
 		return err;
 	}
 
 	mutex_lock(&cx8802_mutex);
 
 	list_for_each_entry(dev, &cx8802_devlist, devlist) {
-		printk(KERN_INFO
-		       "%s/2: subsystem: %04x:%04x, board: %s [card=%d]\n",
-		       dev->core->name, dev->pci->subsystem_vendor,
-		       dev->pci->subsystem_device, dev->core->board.name,
-		       dev->core->boardnr);
+		pr_info("subsystem: %04x:%04x, board: %s [card=%d]\n",
+			dev->pci->subsystem_vendor,
+			dev->pci->subsystem_device, dev->core->board.name,
+			dev->core->boardnr);
 
 		/* Bring up a new struct for each driver instance */
-		driver = kzalloc(sizeof(*drv),GFP_KERNEL);
-		if (driver == NULL) {
+		driver = kzalloc(sizeof(*drv), GFP_KERNEL);
+		if (!driver) {
 			err = -ENOMEM;
 			goto out;
 		}
@@ -645,9 +646,7 @@ int cx8802_register_driver(struct cx8802_driver *drv)
 			i++;
 			list_add_tail(&driver->drvlist, &dev->drvlist);
 		} else {
-			printk(KERN_ERR
-			       "%s/2: cx8802 probe failed, err = %d\n",
-			       dev->core->name, err);
+			pr_err("cx8802 probe failed, err = %d\n", err);
 		}
 		mutex_unlock(&drv->core->lock);
 	}
@@ -657,6 +656,7 @@ out:
 	mutex_unlock(&cx8802_mutex);
 	return err;
 }
+EXPORT_SYMBOL(cx8802_register_driver);
 
 int cx8802_unregister_driver(struct cx8802_driver *drv)
 {
@@ -664,19 +664,18 @@ int cx8802_unregister_driver(struct cx8802_driver *drv)
 	struct cx8802_driver *d, *dtmp;
 	int err = 0;
 
-	printk(KERN_INFO
-	       "cx88/2: unregistering cx8802 driver, type: %s access: %s\n",
-	       drv->type_id == CX88_MPEG_DVB ? "dvb" : "blackbird",
-	       drv->hw_access == CX8802_DRVCTL_SHARED ? "shared" : "exclusive");
+	pr_info("unregistering cx8802 driver, type: %s access: %s\n",
+		drv->type_id == CX88_MPEG_DVB ? "dvb" : "blackbird",
+		drv->hw_access == CX8802_DRVCTL_SHARED ?
+				  "shared" : "exclusive");
 
 	mutex_lock(&cx8802_mutex);
 
 	list_for_each_entry(dev, &cx8802_devlist, devlist) {
-		printk(KERN_INFO
-		       "%s/2: subsystem: %04x:%04x, board: %s [card=%d]\n",
-		       dev->core->name, dev->pci->subsystem_vendor,
-		       dev->pci->subsystem_device, dev->core->board.name,
-		       dev->core->boardnr);
+		pr_info("subsystem: %04x:%04x, board: %s [card=%d]\n",
+			dev->pci->subsystem_vendor,
+			dev->pci->subsystem_device, dev->core->board.name,
+			dev->core->boardnr);
 
 		mutex_lock(&dev->core->lock);
 
@@ -690,8 +689,8 @@ int cx8802_unregister_driver(struct cx8802_driver *drv)
 				list_del(&d->drvlist);
 				kfree(d);
 			} else
-				printk(KERN_ERR "%s/2: cx8802 driver remove "
-				       "failed (%d)\n", dev->core->name, err);
+				pr_err("cx8802 driver remove failed (%d)\n",
+				       err);
 		}
 
 		mutex_unlock(&dev->core->lock);
@@ -701,6 +700,7 @@ int cx8802_unregister_driver(struct cx8802_driver *drv)
 
 	return err;
 }
+EXPORT_SYMBOL(cx8802_unregister_driver);
 
 /* ----------------------------------------------------------- */
 static int cx8802_probe(struct pci_dev *pci_dev,
@@ -712,18 +712,18 @@ static int cx8802_probe(struct pci_dev *pci_dev,
 
 	/* general setup */
 	core = cx88_core_get(pci_dev);
-	if (NULL == core)
+	if (!core)
 		return -EINVAL;
 
-	printk("%s/2: cx2388x 8802 Driver Manager\n", core->name);
+	pr_info("cx2388x 8802 Driver Manager\n");
 
 	err = -ENODEV;
 	if (!core->board.mpeg)
 		goto fail_core;
 
 	err = -ENOMEM;
-	dev = kzalloc(sizeof(*dev),GFP_KERNEL);
-	if (NULL == dev)
+	dev = kzalloc(sizeof(*dev), GFP_KERNEL);
+	if (!dev)
 		goto fail_core;
 	dev->pci = pci_dev;
 	dev->core = core;
@@ -737,7 +737,7 @@ static int cx8802_probe(struct pci_dev *pci_dev,
 
 	INIT_LIST_HEAD(&dev->drvlist);
 	mutex_lock(&cx8802_mutex);
-	list_add_tail(&dev->devlist,&cx8802_devlist);
+	list_add_tail(&dev->devlist, &cx8802_devlist);
 	mutex_unlock(&cx8802_mutex);
 
 	/* now autoload cx88-dvb or cx88-blackbird */
@@ -748,7 +748,7 @@ static int cx8802_probe(struct pci_dev *pci_dev,
 	kfree(dev);
  fail_core:
 	core->dvbdev = NULL;
-	cx88_core_put(core,pci_dev);
+	cx88_core_put(core, pci_dev);
 	return err;
 }
 
@@ -758,7 +758,7 @@ static void cx8802_remove(struct pci_dev *pci_dev)
 
 	dev = pci_get_drvdata(pci_dev);
 
-	dprintk( 1, "%s\n", __func__);
+	dprintk(1, "%s\n", __func__);
 
 	flush_request_modules(dev);
 
@@ -768,17 +768,15 @@ static void cx8802_remove(struct pci_dev *pci_dev)
 		struct cx8802_driver *drv, *tmp;
 		int err;
 
-		printk(KERN_WARNING "%s/2: Trying to remove cx8802 driver "
-		       "while cx8802 sub-drivers still loaded?!\n",
-		       dev->core->name);
+		pr_warn("Trying to remove cx8802 driver while cx8802 sub-drivers still loaded?!\n");
 
 		list_for_each_entry_safe(drv, tmp, &dev->drvlist, drvlist) {
 			err = drv->remove(drv);
 			if (err == 0) {
 				list_del(&drv->drvlist);
 			} else
-				printk(KERN_ERR "%s/2: cx8802 driver remove "
-				       "failed (%d)\n", dev->core->name, err);
+				pr_err("cx8802 driver remove failed (%d)\n",
+				       err);
 			kfree(drv);
 		}
 	}
@@ -790,7 +788,7 @@ static void cx8802_remove(struct pci_dev *pci_dev)
 
 	/* common */
 	cx8802_fini_common(dev);
-	cx88_core_put(dev->core,dev->pci);
+	cx88_core_put(dev->core, dev->pci);
 	kfree(dev);
 }
 
@@ -800,7 +798,7 @@ static const struct pci_device_id cx8802_pci_tbl[] = {
 		.device       = 0x8802,
 		.subvendor    = PCI_ANY_ID,
 		.subdevice    = PCI_ANY_ID,
-	},{
+	}, {
 		/* --- end of list --- */
 	}
 };
@@ -814,12 +812,3 @@ static struct pci_driver cx8802_pci_driver = {
 };
 
 module_pci_driver(cx8802_pci_driver);
-
-EXPORT_SYMBOL(cx8802_buf_prepare);
-EXPORT_SYMBOL(cx8802_buf_queue);
-EXPORT_SYMBOL(cx8802_cancel_buffers);
-EXPORT_SYMBOL(cx8802_start_dma);
-
-EXPORT_SYMBOL(cx8802_register_driver);
-EXPORT_SYMBOL(cx8802_unregister_driver);
-EXPORT_SYMBOL(cx8802_get_driver);
diff --git a/drivers/media/pci/cx88/cx88-reg.h b/drivers/media/pci/cx88/cx88-reg.h
index 2ec52d1cdea0..f1e1dd634a72 100644
--- a/drivers/media/pci/cx88/cx88-reg.h
+++ b/drivers/media/pci/cx88/cx88-reg.h
@@ -1,32 +1,28 @@
 /*
-
-    cx88x-hw.h - CX2388x register offsets
-
-    Copyright (C) 1996,97,98 Ralph Metzler (rjkm@thp.uni-koeln.de)
-		  2001 Michael Eskin
-		  2002 Yurij Sysoev <yurij@naturesoft.net>
-		  2003 Gerd Knorr <kraxel@bytesex.org>
-
-    This program is free software; you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation; either version 2 of the License, or
-    (at your option) any later version.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
-
-    You should have received a copy of the GNU General Public License
-    along with this program; if not, write to the Free Software
-    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-*/
+ * cx88x-hw.h - CX2388x register offsets
+ *
+ * Copyright (C) 1996,97,98 Ralph Metzler (rjkm@thp.uni-koeln.de)
+ *		  2001 Michael Eskin
+ *		  2002 Yurij Sysoev <yurij@naturesoft.net>
+ *		  2003 Gerd Knorr <kraxel@bytesex.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
 
 #ifndef _CX88_REG_H_
 #define _CX88_REG_H_
 
-/* ---------------------------------------------------------------------- */
-/* PCI IDs and config space                                               */
+/*
+ * PCI IDs and config space
+ */
 
 #ifndef PCI_VENDOR_ID_CONEXANT
 # define PCI_VENDOR_ID_CONEXANT		0x14F1
@@ -39,8 +35,9 @@
 #define CX88X_EN_TBFX 0x02
 #define CX88X_EN_VSFX 0x04
 
-/* ---------------------------------------------------------------------- */
-/* PCI controller registers                                               */
+/*
+ * PCI controller registers
+ */
 
 /* Command and Status Register */
 #define F0_CMD_STAT_MM      0x2f0004
@@ -63,8 +60,9 @@
 #define F3_BAR0_MM          0x2f0310
 #define F4_BAR0_MM          0x2f0410
 
-/* ---------------------------------------------------------------------- */
-/* DMA Controller registers                                               */
+/*
+ * DMA Controller registers
+ */
 
 #define MO_PDMA_STHRSH      0x200000 // Source threshold
 #define MO_PDMA_STADRS      0x200004 // Source target address
@@ -157,9 +155,9 @@
 #define MO_DMA31_CNT2       0x300168 // {11}RW* DMA Table Size : Ch#31
 #define MO_DMA32_CNT2       0x30016C // {11}RW* DMA Table Size : Ch#32
 
-
-/* ---------------------------------------------------------------------- */
-/* Video registers                                                        */
+/*
+ * Video registers
+ */
 
 #define MO_VIDY_DMA         0x310000 // {64}RWp Video Y
 #define MO_VIDU_DMA         0x310008 // {64}RWp Video U
@@ -217,9 +215,9 @@
 #define MO_VID_DMACNTRL     0x31C040 // {8}RW Video DMA control
 #define MO_VID_XFR_STAT     0x31C044 // {1}RO Video transfer status
 
-
-/* ---------------------------------------------------------------------- */
-/* audio registers                                                        */
+/*
+ * audio registers
+ */
 
 #define MO_AUDD_DMA         0x320000 // {64}RWp Audio downstream
 #define MO_AUDU_DMA         0x320008 // {64}RWp Audio upstream
@@ -437,9 +435,9 @@
 #define AUD_PHACC_FREQ_8LSB      0x320d2b
 #define AUD_QAM_MODE             0x320d04
 
-
-/* ---------------------------------------------------------------------- */
-/* transport stream registers                                             */
+/*
+ * transport stream registers
+ */
 
 #define MO_TS_DMA           0x330000 // {64}RWp Transport stream downstream
 #define MO_TS_GPCNT         0x33C020 // {16}RO TS general purpose counter
@@ -455,9 +453,9 @@
 #define TS_FIFO_OVFL_STAT   0x33C05C
 #define TS_VALERR_CNTRL     0x33C060
 
-
-/* ---------------------------------------------------------------------- */
-/* VIP registers                                                          */
+/*
+ * VIP registers
+ */
 
 #define MO_VIPD_DMA         0x340000 // {64}RWp VIP downstream
 #define MO_VIPU_DMA         0x340008 // {64}RWp VIP upstream
@@ -475,9 +473,9 @@
 #define MO_VIP_INTCNTRL     0x34C05C // VIP Interrupt Control
 #define MO_VIP_XFTERM       0x340060 // VIP transfer terminate
 
-
-/* ---------------------------------------------------------------------- */
-/* misc registers                                                         */
+/*
+ * misc registers
+ */
 
 #define MO_M2M_DMA          0x350000 // {64}RWp Mem2Mem DMA Bfr
 #define MO_GP0_IO           0x350010 // {32}RW* GPIOoutput enablesdata I/O
@@ -509,9 +507,9 @@
 #define MO_INT1_STAT        0x35C064 // DMA RISC interrupt status
 #define MO_INT1_MSTAT       0x35C068 // DMA RISC interrupt masked status
 
-
-/* ---------------------------------------------------------------------- */
-/* i2c bus registers                                                      */
+/*
+ * i2c bus registers
+ */
 
 #define MO_I2C              0x368000 // I2C data/control
 #define MO_I2C_DIV          (0xf<<4)
@@ -521,9 +519,11 @@
 #define MO_I2C_SDA          (1<<0)
 
 
-/* ---------------------------------------------------------------------- */
-/* general purpose host registers                                         */
-/* FIXME: tyops?  s/0x35/0x38/ ??                                         */
+/*
+ * general purpose host registers
+ *
+ * FIXME: tyops?  s/0x35/0x38/ ??
+ */
 
 #define MO_GPHSTD_DMA       0x350000 // {64}RWp Host downstream
 #define MO_GPHSTU_DMA       0x350008 // {64}RWp Host upstream
@@ -545,9 +545,9 @@
 #define MO_GPHST_XFR_STAT   0x38C044 // Host transfer status
 #define MO_GPHST_SOFT_RST   0x38C06C // Host software reset
 
-
-/* ---------------------------------------------------------------------- */
-/* RISC instructions                                                      */
+/*
+ * RISC instructions
+ */
 
 #define RISC_SYNC		 0x80000000
 #define RISC_SYNC_ODD		 0x80000000
@@ -576,11 +576,11 @@
 #define RISC_CNT_INC		 0x00010000
 #define RISC_CNT_RSVR		 0x00020000
 #define RISC_CNT_RESET		 0x00030000
-#define RISC_JMP_SRP         	 0x01
+#define RISC_JMP_SRP		 0x01
 
-
-/* ---------------------------------------------------------------------- */
-/* various constants                                                      */
+/*
+ * various constants
+ */
 
 // DMA
 /* Interrupt mask/status */
@@ -822,15 +822,4 @@
 #define DEFAULT_SAT_U_NTSC			0x7F
 #define DEFAULT_SAT_V_NTSC			0x5A
 
-typedef enum
-{
-	SOURCE_TUNER = 0,
-	SOURCE_COMPOSITE,
-	SOURCE_SVIDEO,
-	SOURCE_OTHER1,
-	SOURCE_OTHER2,
-	SOURCE_COMPVIASVIDEO,
-	SOURCE_CCIR656
-} VIDEOSOURCETYPE;
-
 #endif /* _CX88_REG_H_ */
diff --git a/drivers/media/pci/cx88/cx88-tvaudio.c b/drivers/media/pci/cx88/cx88-tvaudio.c
index 6bbce6ad6295..545ad4c4d1c7 100644
--- a/drivers/media/pci/cx88/cx88-tvaudio.c
+++ b/drivers/media/pci/cx88/cx88-tvaudio.c
@@ -1,39 +1,36 @@
 /*
+ * cx88x-audio.c - Conexant CX23880/23881 audio downstream driver driver
+ *
+ *  (c) 2001 Michael Eskin, Tom Zakrajsek [Windows version]
+ *  (c) 2002 Yurij Sysoev <yurij@naturesoft.net>
+ *  (c) 2003 Gerd Knorr <kraxel@bytesex.org>
+ *
+ * -----------------------------------------------------------------------
+ *
+ * Lot of voodoo here.  Even the data sheet doesn't help to
+ * understand what is going on here, the documentation for the audio
+ * part of the cx2388x chip is *very* bad.
+ *
+ * Some of this comes from party done linux driver sources I got from
+ * [undocumented].
+ *
+ * Some comes from the dscaler sources, one of the dscaler driver guy works
+ * for Conexant ...
+ *
+ * -----------------------------------------------------------------------
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
 
-    cx88x-audio.c - Conexant CX23880/23881 audio downstream driver driver
-
-     (c) 2001 Michael Eskin, Tom Zakrajsek [Windows version]
-     (c) 2002 Yurij Sysoev <yurij@naturesoft.net>
-     (c) 2003 Gerd Knorr <kraxel@bytesex.org>
-
-    -----------------------------------------------------------------------
-
-    Lot of voodoo here.  Even the data sheet doesn't help to
-    understand what is going on here, the documentation for the audio
-    part of the cx2388x chip is *very* bad.
-
-    Some of this comes from party done linux driver sources I got from
-    [undocumented].
-
-    Some comes from the dscaler sources, one of the dscaler driver guy works
-    for Conexant ...
-
-    -----------------------------------------------------------------------
-
-    This program is free software; you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation; either version 2 of the License, or
-    (at your option) any later version.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
-
-    You should have received a copy of the GNU General Public License
-    along with this program; if not, write to the Free Software
-    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-*/
+#include "cx88.h"
 
 #include <linux/module.h>
 #include <linux/errno.h>
@@ -50,24 +47,24 @@
 #include <linux/delay.h>
 #include <linux/kthread.h>
 
-#include "cx88.h"
-
 static unsigned int audio_debug;
 module_param(audio_debug, int, 0644);
 MODULE_PARM_DESC(audio_debug, "enable debug messages [audio]");
 
 static unsigned int always_analog;
-module_param(always_analog,int,0644);
-MODULE_PARM_DESC(always_analog,"force analog audio out");
+module_param(always_analog, int, 0644);
+MODULE_PARM_DESC(always_analog, "force analog audio out");
 
 static unsigned int radio_deemphasis;
-module_param(radio_deemphasis,int,0644);
-MODULE_PARM_DESC(radio_deemphasis, "Radio deemphasis time constant, "
-		 "0=None, 1=50us (elsewhere), 2=75us (USA)");
-
-#define dprintk(fmt, arg...)	if (audio_debug) \
-	printk(KERN_DEBUG "%s/0: " fmt, core->name , ## arg)
-
+module_param(radio_deemphasis, int, 0644);
+MODULE_PARM_DESC(radio_deemphasis,
+		 "Radio deemphasis time constant, 0=None, 1=50us (elsewhere), 2=75us (USA)");
+
+#define dprintk(fmt, arg...) do {				\
+	if (audio_debug)						\
+		printk(KERN_DEBUG pr_fmt("%s: tvaudio:" fmt),		\
+			__func__, ##arg);				\
+} while (0)
 /* ----------------------------------------------------------- */
 
 static const char * const aud_ctl_names[64] = {
@@ -145,7 +142,10 @@ static void set_audio_finish(struct cx88_core *core, u32 ctl)
 	if (core->board.mpeg & CX88_MPEG_BLACKBIRD) {
 		cx_write(AUD_I2SINPUTCNTL, 4);
 		cx_write(AUD_BAUDRATE, 1);
-		/* 'pass-thru mode': this enables the i2s output to the mpeg encoder */
+		/*
+		 * 'pass-thru mode': this enables the i2s
+		 * output to the mpeg encoder
+		 */
 		cx_set(AUD_CTL, EN_I2SOUT_ENABLE);
 		cx_write(AUD_I2SOUTPUTCNTL, 1);
 		cx_write(AUD_I2SCNTL, 0);
@@ -349,7 +349,7 @@ static void set_audio_standard_NICAM(struct cx88_core *core, u32 mode)
 		{ /* end of list */ },
 	};
 
-	set_audio_start(core,SEL_NICAM);
+	set_audio_start(core, SEL_NICAM);
 	switch (core->tvaudio) {
 	case WW_L:
 		dprintk("%s SECAM-L NICAM (status: devel)\n", __func__);
@@ -638,7 +638,6 @@ static void set_audio_standard_A2(struct cx88_core *core, u32 mode)
 	case WW_M:
 		dprintk("%s Warning: wrong value\n", __func__);
 		return;
-		break;
 	}
 
 	mode |= EN_FMRADIO_EN_RDS | EN_DMTRX_SUMDIFF;
@@ -695,13 +694,15 @@ static void set_audio_standard_FM(struct cx88_core *core,
 		{ /* end of list */ },
 	};
 
-	/* It is enough to leave default values? */
-	/* No, it's not!  The deemphasis registers are reset to the 75us
+	/*
+	 * It is enough to leave default values?
+	 *
+	 * No, it's not!  The deemphasis registers are reset to the 75us
 	 * values by default.  Analyzing the spectrum of the decoded audio
 	 * reveals that "no deemphasis" is the same as 75 us, while the 50 us
-	 * setting results in less deemphasis.  */
+	 * setting results in less deemphasis.
+	 */
 	static const struct rlist fm_no_deemph[] = {
-
 		{AUD_POLYPH80SCALEFAC, 0x0003},
 		{ /* end of list */ },
 	};
@@ -745,7 +746,7 @@ static int cx88_detect_nicam(struct cx88_core *core)
 		}
 
 		/* wait a little bit for next reading status */
-		msleep(10);
+		usleep_range(10000, 20000);
 	}
 
 	dprintk("nicam is not detected.\n");
@@ -766,10 +767,12 @@ void cx88_set_tvaudio(struct cx88_core *core)
 		/* prepare all dsp registers */
 		set_audio_standard_A2(core, EN_A2_FORCE_MONO1);
 
-		/* set nicam mode - otherwise
-		   AUD_NICAM_STATUS2 contains wrong values */
+		/*
+		 * set nicam mode - otherwise
+		 * AUD_NICAM_STATUS2 contains wrong values
+		 */
 		set_audio_standard_NICAM(core, EN_NICAM_AUTO_STEREO);
-		if (0 == cx88_detect_nicam(core)) {
+		if (cx88_detect_nicam(core) == 0) {
 			/* fall back to fm / am mono */
 			set_audio_standard_A2(core, EN_A2_FORCE_MONO1);
 			core->audiomode_current = V4L2_TUNER_MODE_MONO;
@@ -798,23 +801,25 @@ void cx88_set_tvaudio(struct cx88_core *core)
 		break;
 	case WW_NONE:
 	case WW_I2SPT:
-		printk("%s/0: unknown tv audio mode [%d]\n",
-		       core->name, core->tvaudio);
+		pr_info("unknown tv audio mode [%d]\n", core->tvaudio);
 		break;
 	}
-	return;
 }
+EXPORT_SYMBOL(cx88_set_tvaudio);
 
 void cx88_newstation(struct cx88_core *core)
 {
 	core->audiomode_manual = UNSET;
 	core->last_change = jiffies;
 }
+EXPORT_SYMBOL(cx88_newstation);
 
 void cx88_get_stereo(struct cx88_core *core, struct v4l2_tuner *t)
 {
-	static const char * const m[] = { "stereo", "dual mono", "mono", "sap" };
-	static const char * const p[] = { "no pilot", "pilot c1", "pilot c2", "?" };
+	static const char * const m[] = { "stereo", "dual mono",
+					  "mono",   "sap" };
+	static const char * const p[] = { "no pilot", "pilot c1",
+					  "pilot c2", "?" };
 	u32 reg, mode, pilot;
 
 	reg = cx_read(AUD_STATUS);
@@ -869,15 +874,18 @@ void cx88_get_stereo(struct cx88_core *core, struct v4l2_tuner *t)
 	}
 
 	/* If software stereo detection is not supported... */
-	if (UNSET == t->rxsubchans) {
+	if (t->rxsubchans == UNSET) {
 		t->rxsubchans = V4L2_TUNER_SUB_MONO;
-		/* If the hardware itself detected stereo, also return
-		   stereo as an available subchannel */
-		if (V4L2_TUNER_MODE_STEREO == t->audmode)
+		/*
+		 * If the hardware itself detected stereo, also return
+		 * stereo as an available subchannel
+		 */
+		if (t->audmode == V4L2_TUNER_MODE_STEREO)
 			t->rxsubchans |= V4L2_TUNER_SUB_STEREO;
 	}
-	return;
 }
+EXPORT_SYMBOL(cx88_get_stereo);
+
 
 void cx88_set_stereo(struct cx88_core *core, u32 mode, int manual)
 {
@@ -887,7 +895,7 @@ void cx88_set_stereo(struct cx88_core *core, u32 mode, int manual)
 	if (manual) {
 		core->audiomode_manual = mode;
 	} else {
-		if (UNSET != core->audiomode_manual)
+		if (core->audiomode_manual != UNSET)
 			return;
 	}
 	core->audiomode_current = mode;
@@ -915,7 +923,7 @@ void cx88_set_stereo(struct cx88_core *core, u32 mode, int manual)
 	case WW_M:
 	case WW_I:
 	case WW_L:
-		if (1 == core->use_nicam) {
+		if (core->use_nicam == 1) {
 			switch (mode) {
 			case V4L2_TUNER_MODE_MONO:
 			case V4L2_TUNER_MODE_LANG1:
@@ -933,7 +941,8 @@ void cx88_set_stereo(struct cx88_core *core, u32 mode, int manual)
 				break;
 			}
 		} else {
-			if ((core->tvaudio == WW_I) || (core->tvaudio == WW_L)) {
+			if ((core->tvaudio == WW_I) ||
+			    (core->tvaudio == WW_L)) {
 				/* fall back to fm / am mono */
 				set_audio_standard_A2(core, EN_A2_FORCE_MONO1);
 			} else {
@@ -975,15 +984,14 @@ void cx88_set_stereo(struct cx88_core *core, u32 mode, int manual)
 		break;
 	}
 
-	if (UNSET != ctl) {
-		dprintk("cx88_set_stereo: mask 0x%x, ctl 0x%x "
-			"[status=0x%x,ctl=0x%x,vol=0x%x]\n",
+	if (ctl != UNSET) {
+		dprintk("cx88_set_stereo: mask 0x%x, ctl 0x%x [status=0x%x,ctl=0x%x,vol=0x%x]\n",
 			mask, ctl, cx_read(AUD_STATUS),
 			cx_read(AUD_CTL), cx_sread(SHADOW_AUD_VOL_CTL));
 		cx_andor(AUD_CTL, mask, ctl);
 	}
-	return;
 }
+EXPORT_SYMBOL(cx88_set_stereo);
 
 int cx88_audio_thread(void *data)
 {
@@ -1012,7 +1020,7 @@ int cx88_audio_thread(void *data)
 			memset(&t, 0, sizeof(t));
 			cx88_get_stereo(core, &t);
 
-			if (UNSET != core->audiomode_manual)
+			if (core->audiomode_manual != UNSET)
 				/* manually set, don't do anything. */
 				continue;
 
@@ -1033,8 +1041,10 @@ int cx88_audio_thread(void *data)
 		case WW_FM:
 		case WW_I2SADC:
 hw_autodetect:
-			/* stereo autodetection is supported by hardware so
-			   we don't need to do it manually. Do nothing. */
+			/*
+			 * stereo autodetection is supported by hardware so
+			 * we don't need to do it manually. Do nothing.
+			 */
 			break;
 		}
 	}
@@ -1042,11 +1052,4 @@ hw_autodetect:
 	dprintk("cx88: tvaudio thread exiting\n");
 	return 0;
 }
-
-/* ----------------------------------------------------------- */
-
-EXPORT_SYMBOL(cx88_set_tvaudio);
-EXPORT_SYMBOL(cx88_newstation);
-EXPORT_SYMBOL(cx88_set_stereo);
-EXPORT_SYMBOL(cx88_get_stereo);
 EXPORT_SYMBOL(cx88_audio_thread);
diff --git a/drivers/media/pci/cx88/cx88-vbi.c b/drivers/media/pci/cx88/cx88-vbi.c
index d3237cf8ffa3..2d0ef19e6d65 100644
--- a/drivers/media/pci/cx88/cx88-vbi.c
+++ b/drivers/media/pci/cx88/cx88-vbi.c
@@ -1,22 +1,26 @@
 /*
  */
+
+#include "cx88.h"
+
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/init.h>
 
-#include "cx88.h"
-
 static unsigned int vbi_debug;
-module_param(vbi_debug,int,0644);
-MODULE_PARM_DESC(vbi_debug,"enable debug messages [vbi]");
+module_param(vbi_debug, int, 0644);
+MODULE_PARM_DESC(vbi_debug, "enable debug messages [vbi]");
 
-#define dprintk(level,fmt, arg...)	if (vbi_debug >= level) \
-	printk(KERN_DEBUG "%s: " fmt, dev->core->name , ## arg)
+#define dprintk(level, fmt, arg...) do {			\
+	if (vbi_debug >= level)					\
+		printk(KERN_DEBUG pr_fmt("%s: vbi:" fmt),	\
+			__func__, ##arg);			\
+} while (0)
 
 /* ------------------------------------------------------------------ */
 
-int cx8800_vbi_fmt (struct file *file, void *priv,
-					struct v4l2_format *f)
+int cx8800_vbi_fmt(struct file *file, void *priv,
+		   struct v4l2_format *f)
 {
 	struct cx8800_dev *dev = video_drvdata(file);
 
@@ -44,8 +48,8 @@ int cx8800_vbi_fmt (struct file *file, void *priv,
 }
 
 static int cx8800_start_vbi_dma(struct cx8800_dev    *dev,
-			 struct cx88_dmaqueue *q,
-			 struct cx88_buffer   *buf)
+				struct cx88_dmaqueue *q,
+				struct cx88_buffer   *buf)
 {
 	struct cx88_core *core = dev->core;
 
@@ -53,9 +57,9 @@ static int cx8800_start_vbi_dma(struct cx8800_dev    *dev,
 	cx88_sram_channel_setup(dev->core, &cx88_sram_channels[SRAM_CH24],
 				VBI_LINE_LENGTH, buf->risc.dma);
 
-	cx_write(MO_VBOS_CONTROL, ( (1 << 18) |  // comb filter delay fixup
-				    (1 << 15) |  // enable vbi capture
-				    (1 << 11) ));
+	cx_write(MO_VBOS_CONTROL, (1 << 18) |  /* comb filter delay fixup */
+				  (1 << 15) |  /* enable vbi capture */
+				  (1 << 11));
 
 	/* reset counter */
 	cx_write(MO_VBI_GPCNTRL, GP_COUNT_CONTROL_RESET);
@@ -66,10 +70,10 @@ static int cx8800_start_vbi_dma(struct cx8800_dev    *dev,
 	cx_set(MO_VID_INTMSK, 0x0f0088);
 
 	/* enable capture */
-	cx_set(VID_CAPTURE_CONTROL,0x18);
+	cx_set(VID_CAPTURE_CONTROL, 0x18);
 
 	/* start dma */
-	cx_set(MO_DEV_CNTRL2, (1<<5));
+	cx_set(MO_DEV_CNTRL2, (1 << 5));
 	cx_set(MO_VID_DMACNTRL, 0x88);
 
 	return 0;
@@ -83,7 +87,7 @@ void cx8800_stop_vbi_dma(struct cx8800_dev *dev)
 	cx_clear(MO_VID_DMACNTRL, 0x88);
 
 	/* disable capture */
-	cx_clear(VID_CAPTURE_CONTROL,0x18);
+	cx_clear(VID_CAPTURE_CONTROL, 0x18);
 
 	/* disable irqs */
 	cx_clear(MO_PCI_INTMSK, PCI_INT_VIDINT);
@@ -99,7 +103,7 @@ int cx8800_restart_vbi_queue(struct cx8800_dev    *dev,
 		return 0;
 
 	buf = list_entry(q->active.next, struct cx88_buffer, list);
-	dprintk(2,"restart_queue [%p/%d]: restart dma\n",
+	dprintk(2, "restart_queue [%p/%d]: restart dma\n",
 		buf, buf->vb.vb2_buf.index);
 	cx8800_start_vbi_dma(dev, q, buf);
 	return 0;
@@ -108,8 +112,8 @@ int cx8800_restart_vbi_queue(struct cx8800_dev    *dev,
 /* ------------------------------------------------------------------ */
 
 static int queue_setup(struct vb2_queue *q,
-			   unsigned int *num_buffers, unsigned int *num_planes,
-			   unsigned int sizes[], struct device *alloc_devs[])
+		       unsigned int *num_buffers, unsigned int *num_planes,
+		       unsigned int sizes[], struct device *alloc_devs[])
 {
 	struct cx8800_dev *dev = q->drv_priv;
 
@@ -121,7 +125,6 @@ static int queue_setup(struct vb2_queue *q,
 	return 0;
 }
 
-
 static int buffer_prepare(struct vb2_buffer *vb)
 {
 	struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
@@ -175,7 +178,7 @@ static void buffer_queue(struct vb2_buffer *vb)
 	if (list_empty(&q->active)) {
 		list_add_tail(&buf->list, &q->active);
 		cx8800_start_vbi_dma(dev, q, buf);
-		dprintk(2,"[%p/%d] vbi_queue - first active\n",
+		dprintk(2, "[%p/%d] vbi_queue - first active\n",
 			buf, buf->vb.vb2_buf.index);
 
 	} else {
@@ -183,7 +186,7 @@ static void buffer_queue(struct vb2_buffer *vb)
 		prev = list_entry(q->active.prev, struct cx88_buffer, list);
 		list_add_tail(&buf->list, &q->active);
 		prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
-		dprintk(2,"[%p/%d] buffer_queue - append to active\n",
+		dprintk(2, "[%p/%d] buffer_queue - append to active\n",
 			buf, buf->vb.vb2_buf.index);
 	}
 }
diff --git a/drivers/media/pci/cx88/cx88-video.c b/drivers/media/pci/cx88/cx88-video.c
index d83eb3b10f54..c7d4e87ccb64 100644
--- a/drivers/media/pci/cx88/cx88-video.c
+++ b/drivers/media/pci/cx88/cx88-video.c
@@ -19,12 +19,10 @@
  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with this program; if not, write to the Free Software
- *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
 
+#include "cx88.h"
+
 #include <linux/init.h>
 #include <linux/list.h>
 #include <linux/module.h>
@@ -37,7 +35,6 @@
 #include <linux/kthread.h>
 #include <asm/div64.h>
 
-#include "cx88.h"
 #include <media/v4l2-common.h>
 #include <media/v4l2-ioctl.h>
 #include <media/v4l2-event.h>
@@ -58,20 +55,23 @@ module_param_array(video_nr, int, NULL, 0444);
 module_param_array(vbi_nr,   int, NULL, 0444);
 module_param_array(radio_nr, int, NULL, 0444);
 
-MODULE_PARM_DESC(video_nr,"video device numbers");
-MODULE_PARM_DESC(vbi_nr,"vbi device numbers");
-MODULE_PARM_DESC(radio_nr,"radio device numbers");
+MODULE_PARM_DESC(video_nr, "video device numbers");
+MODULE_PARM_DESC(vbi_nr, "vbi device numbers");
+MODULE_PARM_DESC(radio_nr, "radio device numbers");
 
 static unsigned int video_debug;
-module_param(video_debug,int,0644);
-MODULE_PARM_DESC(video_debug,"enable debug messages [video]");
+module_param(video_debug, int, 0644);
+MODULE_PARM_DESC(video_debug, "enable debug messages [video]");
 
 static unsigned int irq_debug;
-module_param(irq_debug,int,0644);
-MODULE_PARM_DESC(irq_debug,"enable debug messages [IRQ handler]");
+module_param(irq_debug, int, 0644);
+MODULE_PARM_DESC(irq_debug, "enable debug messages [IRQ handler]");
 
-#define dprintk(level,fmt, arg...)	if (video_debug >= level) \
-	printk(KERN_DEBUG "%s/0: " fmt, core->name , ## arg)
+#define dprintk(level, fmt, arg...) do {			\
+	if (video_debug >= level)				\
+		printk(KERN_DEBUG pr_fmt("%s: video:" fmt),	\
+			__func__, ##arg);			\
+} while (0)
 
 /* ------------------------------------------------------------------- */
 /* static data                                                         */
@@ -83,55 +83,56 @@ static const struct cx8800_fmt formats[] = {
 		.cxformat = ColorFormatY8,
 		.depth    = 8,
 		.flags    = FORMAT_FLAGS_PACKED,
-	},{
+	}, {
 		.name     = "15 bpp RGB, le",
 		.fourcc   = V4L2_PIX_FMT_RGB555,
 		.cxformat = ColorFormatRGB15,
 		.depth    = 16,
 		.flags    = FORMAT_FLAGS_PACKED,
-	},{
+	}, {
 		.name     = "15 bpp RGB, be",
 		.fourcc   = V4L2_PIX_FMT_RGB555X,
 		.cxformat = ColorFormatRGB15 | ColorFormatBSWAP,
 		.depth    = 16,
 		.flags    = FORMAT_FLAGS_PACKED,
-	},{
+	}, {
 		.name     = "16 bpp RGB, le",
 		.fourcc   = V4L2_PIX_FMT_RGB565,
 		.cxformat = ColorFormatRGB16,
 		.depth    = 16,
 		.flags    = FORMAT_FLAGS_PACKED,
-	},{
+	}, {
 		.name     = "16 bpp RGB, be",
 		.fourcc   = V4L2_PIX_FMT_RGB565X,
 		.cxformat = ColorFormatRGB16 | ColorFormatBSWAP,
 		.depth    = 16,
 		.flags    = FORMAT_FLAGS_PACKED,
-	},{
+	}, {
 		.name     = "24 bpp RGB, le",
 		.fourcc   = V4L2_PIX_FMT_BGR24,
 		.cxformat = ColorFormatRGB24,
 		.depth    = 24,
 		.flags    = FORMAT_FLAGS_PACKED,
-	},{
+	}, {
 		.name     = "32 bpp RGB, le",
 		.fourcc   = V4L2_PIX_FMT_BGR32,
 		.cxformat = ColorFormatRGB32,
 		.depth    = 32,
 		.flags    = FORMAT_FLAGS_PACKED,
-	},{
+	}, {
 		.name     = "32 bpp RGB, be",
 		.fourcc   = V4L2_PIX_FMT_RGB32,
-		.cxformat = ColorFormatRGB32 | ColorFormatBSWAP | ColorFormatWSWAP,
+		.cxformat = ColorFormatRGB32 | ColorFormatBSWAP |
+			    ColorFormatWSWAP,
 		.depth    = 32,
 		.flags    = FORMAT_FLAGS_PACKED,
-	},{
+	}, {
 		.name     = "4:2:2, packed, YUYV",
 		.fourcc   = V4L2_PIX_FMT_YUYV,
 		.cxformat = ColorFormatYUY2,
 		.depth    = 16,
 		.flags    = FORMAT_FLAGS_PACKED,
-	},{
+	}, {
 		.name     = "4:2:2, packed, UYVY",
 		.fourcc   = V4L2_PIX_FMT_UYVY,
 		.cxformat = ColorFormatYUY2 | ColorFormatBSWAP,
@@ -140,13 +141,13 @@ static const struct cx8800_fmt formats[] = {
 	},
 };
 
-static const struct cx8800_fmt* format_by_fourcc(unsigned int fourcc)
+static const struct cx8800_fmt *format_by_fourcc(unsigned int fourcc)
 {
 	unsigned int i;
 
 	for (i = 0; i < ARRAY_SIZE(formats); i++)
 		if (formats[i].fourcc == fourcc)
-			return formats+i;
+			return formats + i;
 	return NULL;
 }
 
@@ -180,7 +181,7 @@ static const struct cx88_ctrl cx8800_vid_ctls[] = {
 		.reg           = MO_CONTR_BRIGHT,
 		.mask          = 0x00ff,
 		.shift         = 0,
-	},{
+	}, {
 		.id            = V4L2_CID_CONTRAST,
 		.minimum       = 0,
 		.maximum       = 0xff,
@@ -190,7 +191,7 @@ static const struct cx88_ctrl cx8800_vid_ctls[] = {
 		.reg           = MO_CONTR_BRIGHT,
 		.mask          = 0xff00,
 		.shift         = 8,
-	},{
+	}, {
 		.id            = V4L2_CID_HUE,
 		.minimum       = 0,
 		.maximum       = 0xff,
@@ -200,7 +201,7 @@ static const struct cx88_ctrl cx8800_vid_ctls[] = {
 		.reg           = MO_HUE,
 		.mask          = 0x00ff,
 		.shift         = 0,
-	},{
+	}, {
 		/* strictly, this only describes only U saturation.
 		 * V saturation is handled specially through code.
 		 */
@@ -220,8 +221,10 @@ static const struct cx88_ctrl cx8800_vid_ctls[] = {
 		.step          = 1,
 		.default_value = 0x0,
 		.off           = 0,
-		/* NOTE: the value is converted and written to both even
-		   and odd registers in the code */
+		/*
+		 * NOTE: the value is converted and written to both even
+		 * and odd registers in the code
+		 */
 		.reg           = MO_FILTER_ODD,
 		.mask          = 7 << 7,
 		.shift         = 7,
@@ -265,7 +268,7 @@ static const struct cx88_ctrl cx8800_aud_ctls[] = {
 		.sreg          = SHADOW_AUD_VOL_CTL,
 		.mask          = (1 << 6),
 		.shift         = 6,
-	},{
+	}, {
 		.id            = V4L2_CID_AUDIO_VOLUME,
 		.minimum       = 0,
 		.maximum       = 0x3f,
@@ -275,7 +278,7 @@ static const struct cx88_ctrl cx8800_aud_ctls[] = {
 		.sreg          = SHADOW_AUD_VOL_CTL,
 		.mask          = 0x3f,
 		.shift         = 0,
-	},{
+	}, {
 		.id            = V4L2_CID_AUDIO_BALANCE,
 		.minimum       = 0,
 		.maximum       = 0x7f,
@@ -299,10 +302,10 @@ int cx88_video_mux(struct cx88_core *core, unsigned int input)
 {
 	/* struct cx88_core *core = dev->core; */
 
-	dprintk(1,"video_mux: %d [vmux=%d,gpio=0x%x,0x%x,0x%x,0x%x]\n",
+	dprintk(1, "video_mux: %d [vmux=%d,gpio=0x%x,0x%x,0x%x,0x%x]\n",
 		input, INPUT(input).vmux,
-		INPUT(input).gpio0,INPUT(input).gpio1,
-		INPUT(input).gpio2,INPUT(input).gpio3);
+		INPUT(input).gpio0, INPUT(input).gpio1,
+		INPUT(input).gpio2, INPUT(input).gpio3);
 	core->input = input;
 	cx_andor(MO_INPUT_FORMAT, 0x03 << 14, INPUT(input).vmux << 14);
 	cx_write(MO_GP3_IO, INPUT(input).gpio3);
@@ -325,19 +328,25 @@ int cx88_video_mux(struct cx88_core *core, unsigned int input)
 		break;
 	}
 
-	/* if there are audioroutes defined, we have an external
-	   ADC to deal with audio */
+	/*
+	 * if there are audioroutes defined, we have an external
+	 * ADC to deal with audio
+	 */
 	if (INPUT(input).audioroute) {
-		/* The wm8775 module has the "2" route hardwired into
-		   the initialization. Some boards may use different
-		   routes for different inputs. HVR-1300 surely does */
+		/*
+		 * The wm8775 module has the "2" route hardwired into
+		 * the initialization. Some boards may use different
+		 * routes for different inputs. HVR-1300 surely does
+		 */
 		if (core->sd_wm8775) {
 			call_all(core, audio, s_routing,
 				 INPUT(input).audioroute, 0, 0);
 		}
-		/* cx2388's C-ADC is connected to the tuner only.
-		   When used with S-Video, that ADC is busy dealing with
-		   chroma, so an external must be used for baseband audio */
+		/*
+		 * cx2388's C-ADC is connected to the tuner only.
+		 * When used with S-Video, that ADC is busy dealing with
+		 * chroma, so an external must be used for baseband audio
+		 */
 		if (INPUT(input).type != CX88_VMUX_TELEVISION &&
 		    INPUT(input).type != CX88_VMUX_CABLE) {
 			/* "I2S ADC mode" */
@@ -369,26 +378,27 @@ static int start_video_dma(struct cx8800_dev    *dev,
 	cx_write(MO_COLOR_CTRL, dev->fmt->cxformat | ColorFormatGamma);
 
 	/* reset counter */
-	cx_write(MO_VIDY_GPCNTRL,GP_COUNT_CONTROL_RESET);
+	cx_write(MO_VIDY_GPCNTRL, GP_COUNT_CONTROL_RESET);
 	q->count = 0;
 
 	/* enable irqs */
 	cx_set(MO_PCI_INTMSK, core->pci_irqmask | PCI_INT_VIDINT);
 
-	/* Enables corresponding bits at PCI_INT_STAT:
-		bits 0 to 4: video, audio, transport stream, VIP, Host
-		bit 7: timer
-		bits 8 and 9: DMA complete for: SRC, DST
-		bits 10 and 11: BERR signal asserted for RISC: RD, WR
-		bits 12 to 15: BERR signal asserted for: BRDG, SRC, DST, IPB
+	/*
+	 * Enables corresponding bits at PCI_INT_STAT:
+	 *	bits 0 to 4: video, audio, transport stream, VIP, Host
+	 *	bit 7: timer
+	 *	bits 8 and 9: DMA complete for: SRC, DST
+	 *	bits 10 and 11: BERR signal asserted for RISC: RD, WR
+	 *	bits 12 to 15: BERR signal asserted for: BRDG, SRC, DST, IPB
 	 */
 	cx_set(MO_VID_INTMSK, 0x0f0011);
 
 	/* enable capture */
-	cx_set(VID_CAPTURE_CONTROL,0x06);
+	cx_set(VID_CAPTURE_CONTROL, 0x06);
 
 	/* start dma */
-	cx_set(MO_DEV_CNTRL2, (1<<5));
+	cx_set(MO_DEV_CNTRL2, (1 << 5));
 	cx_set(MO_VID_DMACNTRL, 0x11); /* Planar Y and packed FIFO and RISC enable */
 
 	return 0;
@@ -403,7 +413,7 @@ static int stop_video_dma(struct cx8800_dev    *dev)
 	cx_clear(MO_VID_DMACNTRL, 0x11);
 
 	/* disable capture */
-	cx_clear(VID_CAPTURE_CONTROL,0x06);
+	cx_clear(VID_CAPTURE_CONTROL, 0x06);
 
 	/* disable irqs */
 	cx_clear(MO_PCI_INTMSK, PCI_INT_VIDINT);
@@ -414,12 +424,11 @@ static int stop_video_dma(struct cx8800_dev    *dev)
 static int restart_video_queue(struct cx8800_dev    *dev,
 			       struct cx88_dmaqueue *q)
 {
-	struct cx88_core *core = dev->core;
 	struct cx88_buffer *buf;
 
 	if (!list_empty(&q->active)) {
 		buf = list_entry(q->active.next, struct cx88_buffer, list);
-		dprintk(2,"restart_queue [%p/%d]: restart dma\n",
+		dprintk(2, "restart_queue [%p/%d]: restart dma\n",
 			buf, buf->vb.vb2_buf.index);
 		start_video_dma(dev, q, buf);
 	}
@@ -430,8 +439,8 @@ static int restart_video_queue(struct cx8800_dev    *dev,
 /* ------------------------------------------------------------------ */
 
 static int queue_setup(struct vb2_queue *q,
-			   unsigned int *num_buffers, unsigned int *num_planes,
-			   unsigned int sizes[], struct device *alloc_devs[])
+		       unsigned int *num_buffers, unsigned int *num_planes,
+		       unsigned int sizes[], struct device *alloc_devs[])
 {
 	struct cx8800_dev *dev = q->drv_priv;
 	struct cx88_core *core = dev->core;
@@ -488,7 +497,8 @@ static int buffer_prepare(struct vb2_buffer *vb)
 				 core->height >> 1);
 		break;
 	}
-	dprintk(2,"[%p/%d] buffer_prepare - %dx%d %dbpp \"%s\" - dma=0x%08lx\n",
+	dprintk(2,
+		"[%p/%d] buffer_prepare - %dx%d %dbpp \"%s\" - dma=0x%08lx\n",
 		buf, buf->vb.vb2_buf.index,
 		core->width, core->height, dev->fmt->depth, dev->fmt->name,
 		(unsigned long)buf->risc.dma);
@@ -513,7 +523,6 @@ static void buffer_queue(struct vb2_buffer *vb)
 	struct cx8800_dev *dev = vb->vb2_queue->drv_priv;
 	struct cx88_buffer    *buf = container_of(vbuf, struct cx88_buffer, vb);
 	struct cx88_buffer    *prev;
-	struct cx88_core      *core = dev->core;
 	struct cx88_dmaqueue  *q    = &dev->vidq;
 
 	/* add jump to start */
@@ -523,7 +532,7 @@ static void buffer_queue(struct vb2_buffer *vb)
 
 	if (list_empty(&q->active)) {
 		list_add_tail(&buf->list, &q->active);
-		dprintk(2,"[%p/%d] buffer_queue - first active\n",
+		dprintk(2, "[%p/%d] buffer_queue - first active\n",
 			buf, buf->vb.vb2_buf.index);
 
 	} else {
@@ -596,7 +605,7 @@ static int radio_open(struct file *file)
 	if (core->board.radio.audioroute) {
 		if (core->sd_wm8775) {
 			call_all(core, audio, s_routing,
-					core->board.radio.audioroute, 0, 0);
+				 core->board.radio.audioroute, 0, 0);
 		}
 		/* "I2S ADC mode" */
 		core->tvaudio = WW_I2SADC;
@@ -650,9 +659,10 @@ static int cx8800_s_vid_ctrl(struct v4l2_ctrl *ctrl)
 		value = ((ctrl->val - cc->off) << cc->shift) & cc->mask;
 		break;
 	}
-	dprintk(1, "set_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
-				ctrl->id, ctrl->name, ctrl->val, cc->reg, value,
-				mask, cc->sreg ? " [shadowed]" : "");
+	dprintk(1,
+		"set_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
+		ctrl->id, ctrl->name, ctrl->val, cc->reg, value,
+		mask, cc->sreg ? " [shadowed]" : "");
 	if (cc->sreg)
 		cx_sandor(cc->sreg, cc->reg, mask, value);
 	else
@@ -665,7 +675,7 @@ static int cx8800_s_aud_ctrl(struct v4l2_ctrl *ctrl)
 	struct cx88_core *core =
 		container_of(ctrl->handler, struct cx88_core, audio_hdl);
 	const struct cx88_ctrl *cc = ctrl->priv;
-	u32 value,mask;
+	u32 value, mask;
 
 	/* Pass changes onto any WM8775 */
 	if (core->sd_wm8775) {
@@ -688,7 +698,8 @@ static int cx8800_s_aud_ctrl(struct v4l2_ctrl *ctrl)
 	mask = cc->mask;
 	switch (ctrl->id) {
 	case V4L2_CID_AUDIO_BALANCE:
-		value = (ctrl->val < 0x40) ? (0x7f - ctrl->val) : (ctrl->val - 0x40);
+		value = (ctrl->val < 0x40) ?
+			(0x7f - ctrl->val) : (ctrl->val - 0x40);
 		break;
 	case V4L2_CID_AUDIO_VOLUME:
 		value = 0x3f - (ctrl->val & 0x3f);
@@ -697,9 +708,10 @@ static int cx8800_s_aud_ctrl(struct v4l2_ctrl *ctrl)
 		value = ((ctrl->val - cc->off) << cc->shift) & cc->mask;
 		break;
 	}
-	dprintk(1,"set_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
-				ctrl->id, ctrl->name, ctrl->val, cc->reg, value,
-				mask, cc->sreg ? " [shadowed]" : "");
+	dprintk(1,
+		"set_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
+		ctrl->id, ctrl->name, ctrl->val, cc->reg, value,
+		mask, cc->sreg ? " [shadowed]" : "");
 	if (cc->sreg)
 		cx_sandor(cc->sreg, cc->reg, mask, value);
 	else
@@ -711,7 +723,7 @@ static int cx8800_s_aud_ctrl(struct v4l2_ctrl *ctrl)
 /* VIDEO IOCTLS                                                       */
 
 static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
-					struct v4l2_format *f)
+				struct v4l2_format *f)
 {
 	struct cx8800_dev *dev = video_drvdata(file);
 	struct cx88_core *core = dev->core;
@@ -729,7 +741,7 @@ static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
 }
 
 static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
-			struct v4l2_format *f)
+				  struct v4l2_format *f)
 {
 	struct cx8800_dev *dev = video_drvdata(file);
 	struct cx88_core *core = dev->core;
@@ -738,7 +750,7 @@ static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
 	unsigned int      maxw, maxh;
 
 	fmt = format_by_fourcc(f->fmt.pix.pixelformat);
-	if (NULL == fmt)
+	if (!fmt)
 		return -EINVAL;
 
 	maxw = norm_maxw(core->tvnorm);
@@ -775,13 +787,13 @@ static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
 }
 
 static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
-					struct v4l2_format *f)
+				struct v4l2_format *f)
 {
 	struct cx8800_dev *dev = video_drvdata(file);
 	struct cx88_core *core = dev->core;
-	int err = vidioc_try_fmt_vid_cap (file,priv,f);
+	int err = vidioc_try_fmt_vid_cap(file, priv, f);
 
-	if (0 != err)
+	if (err != 0)
 		return err;
 	if (vb2_is_busy(&dev->vb2_vidq) || vb2_is_busy(&dev->vb2_vbiq))
 		return -EBUSY;
@@ -795,13 +807,13 @@ static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
 }
 
 void cx88_querycap(struct file *file, struct cx88_core *core,
-		struct v4l2_capability *cap)
+		   struct v4l2_capability *cap)
 {
 	struct video_device *vdev = video_devdata(file);
 
 	strlcpy(cap->card, core->board.name, sizeof(cap->card));
 	cap->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING;
-	if (UNSET != core->board.tuner_type)
+	if (core->board.tuner_type != UNSET)
 		cap->device_caps |= V4L2_CAP_TUNER;
 	switch (vdev->vfl_type) {
 	case VFL_TYPE_RADIO:
@@ -822,7 +834,7 @@ void cx88_querycap(struct file *file, struct cx88_core *core,
 EXPORT_SYMBOL(cx88_querycap);
 
 static int vidioc_querycap(struct file *file, void  *priv,
-					struct v4l2_capability *cap)
+			   struct v4l2_capability *cap)
 {
 	struct cx8800_dev *dev = video_drvdata(file);
 	struct cx88_core *core = dev->core;
@@ -833,13 +845,13 @@ static int vidioc_querycap(struct file *file, void  *priv,
 	return 0;
 }
 
-static int vidioc_enum_fmt_vid_cap (struct file *file, void  *priv,
-					struct v4l2_fmtdesc *f)
+static int vidioc_enum_fmt_vid_cap(struct file *file, void  *priv,
+				   struct v4l2_fmtdesc *f)
 {
 	if (unlikely(f->index >= ARRAY_SIZE(formats)))
 		return -EINVAL;
 
-	strlcpy(f->description,formats[f->index].name,sizeof(f->description));
+	strlcpy(f->description, formats[f->index].name, sizeof(f->description));
 	f->pixelformat = formats[f->index].fourcc;
 
 	return 0;
@@ -863,45 +875,46 @@ static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id tvnorms)
 }
 
 /* only one input in this sample driver */
-int cx88_enum_input (struct cx88_core  *core,struct v4l2_input *i)
+int cx88_enum_input(struct cx88_core  *core, struct v4l2_input *i)
 {
 	static const char * const iname[] = {
-		[ CX88_VMUX_COMPOSITE1 ] = "Composite1",
-		[ CX88_VMUX_COMPOSITE2 ] = "Composite2",
-		[ CX88_VMUX_COMPOSITE3 ] = "Composite3",
-		[ CX88_VMUX_COMPOSITE4 ] = "Composite4",
-		[ CX88_VMUX_SVIDEO     ] = "S-Video",
-		[ CX88_VMUX_TELEVISION ] = "Television",
-		[ CX88_VMUX_CABLE      ] = "Cable TV",
-		[ CX88_VMUX_DVB        ] = "DVB",
-		[ CX88_VMUX_DEBUG      ] = "for debug only",
+		[CX88_VMUX_COMPOSITE1] = "Composite1",
+		[CX88_VMUX_COMPOSITE2] = "Composite2",
+		[CX88_VMUX_COMPOSITE3] = "Composite3",
+		[CX88_VMUX_COMPOSITE4] = "Composite4",
+		[CX88_VMUX_SVIDEO] = "S-Video",
+		[CX88_VMUX_TELEVISION] = "Television",
+		[CX88_VMUX_CABLE] = "Cable TV",
+		[CX88_VMUX_DVB] = "DVB",
+		[CX88_VMUX_DEBUG] = "for debug only",
 	};
 	unsigned int n = i->index;
 
 	if (n >= 4)
 		return -EINVAL;
-	if (0 == INPUT(n).type)
+	if (!INPUT(n).type)
 		return -EINVAL;
 	i->type  = V4L2_INPUT_TYPE_CAMERA;
-	strcpy(i->name,iname[INPUT(n).type]);
-	if ((CX88_VMUX_TELEVISION == INPUT(n).type) ||
-	    (CX88_VMUX_CABLE      == INPUT(n).type)) {
+	strcpy(i->name, iname[INPUT(n).type]);
+	if ((INPUT(n).type == CX88_VMUX_TELEVISION) ||
+	    (INPUT(n).type == CX88_VMUX_CABLE))
 		i->type = V4L2_INPUT_TYPE_TUNER;
-	}
+
 	i->std = CX88_NORMS;
 	return 0;
 }
 EXPORT_SYMBOL(cx88_enum_input);
 
-static int vidioc_enum_input (struct file *file, void *priv,
-				struct v4l2_input *i)
+static int vidioc_enum_input(struct file *file, void *priv,
+			     struct v4l2_input *i)
 {
 	struct cx8800_dev *dev = video_drvdata(file);
 	struct cx88_core *core = dev->core;
-	return cx88_enum_input (core,i);
+
+	return cx88_enum_input(core, i);
 }
 
-static int vidioc_g_input (struct file *file, void *priv, unsigned int *i)
+static int vidioc_g_input(struct file *file, void *priv, unsigned int *i)
 {
 	struct cx8800_dev *dev = video_drvdata(file);
 	struct cx88_core *core = dev->core;
@@ -910,31 +923,31 @@ static int vidioc_g_input (struct file *file, void *priv, unsigned int *i)
 	return 0;
 }
 
-static int vidioc_s_input (struct file *file, void *priv, unsigned int i)
+static int vidioc_s_input(struct file *file, void *priv, unsigned int i)
 {
 	struct cx8800_dev *dev = video_drvdata(file);
 	struct cx88_core *core = dev->core;
 
 	if (i >= 4)
 		return -EINVAL;
-	if (0 == INPUT(i).type)
+	if (!INPUT(i).type)
 		return -EINVAL;
 
 	cx88_newstation(core);
-	cx88_video_mux(core,i);
+	cx88_video_mux(core, i);
 	return 0;
 }
 
-static int vidioc_g_tuner (struct file *file, void *priv,
-				struct v4l2_tuner *t)
+static int vidioc_g_tuner(struct file *file, void *priv,
+			  struct v4l2_tuner *t)
 {
 	struct cx8800_dev *dev = video_drvdata(file);
 	struct cx88_core *core = dev->core;
 	u32 reg;
 
-	if (unlikely(UNSET == core->board.tuner_type))
+	if (unlikely(core->board.tuner_type == UNSET))
 		return -EINVAL;
-	if (0 != t->index)
+	if (t->index != 0)
 		return -EINVAL;
 
 	strcpy(t->name, "Television");
@@ -942,34 +955,34 @@ static int vidioc_g_tuner (struct file *file, void *priv,
 	t->rangehigh  = 0xffffffffUL;
 	call_all(core, tuner, g_tuner, t);
 
-	cx88_get_stereo(core ,t);
+	cx88_get_stereo(core, t);
 	reg = cx_read(MO_DEVICE_STATUS);
-	t->signal = (reg & (1<<5)) ? 0xffff : 0x0000;
+	t->signal = (reg & (1 << 5)) ? 0xffff : 0x0000;
 	return 0;
 }
 
-static int vidioc_s_tuner (struct file *file, void *priv,
-				const struct v4l2_tuner *t)
+static int vidioc_s_tuner(struct file *file, void *priv,
+			  const struct v4l2_tuner *t)
 {
 	struct cx8800_dev *dev = video_drvdata(file);
 	struct cx88_core *core = dev->core;
 
-	if (UNSET == core->board.tuner_type)
+	if (core->board.tuner_type == UNSET)
 		return -EINVAL;
-	if (0 != t->index)
+	if (t->index != 0)
 		return -EINVAL;
 
 	cx88_set_stereo(core, t->audmode, 1);
 	return 0;
 }
 
-static int vidioc_g_frequency (struct file *file, void *priv,
-				struct v4l2_frequency *f)
+static int vidioc_g_frequency(struct file *file, void *priv,
+			      struct v4l2_frequency *f)
 {
 	struct cx8800_dev *dev = video_drvdata(file);
 	struct cx88_core *core = dev->core;
 
-	if (unlikely(UNSET == core->board.tuner_type))
+	if (unlikely(core->board.tuner_type == UNSET))
 		return -EINVAL;
 	if (f->tuner)
 		return -EINVAL;
@@ -981,12 +994,12 @@ static int vidioc_g_frequency (struct file *file, void *priv,
 	return 0;
 }
 
-int cx88_set_freq (struct cx88_core  *core,
-				const struct v4l2_frequency *f)
+int cx88_set_freq(struct cx88_core  *core,
+		  const struct v4l2_frequency *f)
 {
 	struct v4l2_frequency new_freq = *f;
 
-	if (unlikely(UNSET == core->board.tuner_type))
+	if (unlikely(core->board.tuner_type == UNSET))
 		return -EINVAL;
 	if (unlikely(f->tuner != 0))
 		return -EINVAL;
@@ -997,15 +1010,15 @@ int cx88_set_freq (struct cx88_core  *core,
 	core->freq = new_freq.frequency;
 
 	/* When changing channels it is required to reset TVAUDIO */
-	msleep (10);
+	usleep_range(10000, 20000);
 	cx88_set_tvaudio(core);
 
 	return 0;
 }
 EXPORT_SYMBOL(cx88_set_freq);
 
-static int vidioc_s_frequency (struct file *file, void *priv,
-				const struct v4l2_frequency *f)
+static int vidioc_s_frequency(struct file *file, void *priv,
+			      const struct v4l2_frequency *f)
 {
 	struct cx8800_dev *dev = video_drvdata(file);
 	struct cx88_core *core = dev->core;
@@ -1014,8 +1027,8 @@ static int vidioc_s_frequency (struct file *file, void *priv,
 }
 
 #ifdef CONFIG_VIDEO_ADV_DEBUG
-static int vidioc_g_register (struct file *file, void *fh,
-				struct v4l2_dbg_register *reg)
+static int vidioc_g_register(struct file *file, void *fh,
+			     struct v4l2_dbg_register *reg)
 {
 	struct cx8800_dev *dev = video_drvdata(file);
 	struct cx88_core *core = dev->core;
@@ -1026,8 +1039,8 @@ static int vidioc_g_register (struct file *file, void *fh,
 	return 0;
 }
 
-static int vidioc_s_register (struct file *file, void *fh,
-				const struct v4l2_dbg_register *reg)
+static int vidioc_s_register(struct file *file, void *fh,
+			     const struct v4l2_dbg_register *reg)
 {
 	struct cx8800_dev *dev = video_drvdata(file);
 	struct cx88_core *core = dev->core;
@@ -1041,8 +1054,8 @@ static int vidioc_s_register (struct file *file, void *fh,
 /* RADIO ESPECIFIC IOCTLS                                      */
 /* ----------------------------------------------------------- */
 
-static int radio_g_tuner (struct file *file, void *priv,
-				struct v4l2_tuner *t)
+static int radio_g_tuner(struct file *file, void *priv,
+			 struct v4l2_tuner *t)
 {
 	struct cx8800_dev *dev = video_drvdata(file);
 	struct cx88_core *core = dev->core;
@@ -1056,13 +1069,13 @@ static int radio_g_tuner (struct file *file, void *priv,
 	return 0;
 }
 
-static int radio_s_tuner (struct file *file, void *priv,
-				const struct v4l2_tuner *t)
+static int radio_s_tuner(struct file *file, void *priv,
+			 const struct v4l2_tuner *t)
 {
 	struct cx8800_dev *dev = video_drvdata(file);
 	struct cx88_core *core = dev->core;
 
-	if (0 != t->index)
+	if (t->index != 0)
 		return -EINVAL;
 
 	call_all(core, tuner, s_tuner, t);
@@ -1090,13 +1103,13 @@ static void cx8800_vid_irq(struct cx8800_dev *dev)
 		return;
 	cx_write(MO_VID_INTSTAT, status);
 	if (irq_debug  ||  (status & mask & ~0xff))
-		cx88_print_irqbits(core->name, "irq vid",
+		cx88_print_irqbits("irq vid",
 				   cx88_vid_irqs, ARRAY_SIZE(cx88_vid_irqs),
 				   status, mask);
 
 	/* risc op code error */
 	if (status & (1 << 16)) {
-		printk(KERN_WARNING "%s/0: video risc op code error\n",core->name);
+		pr_warn("video risc op code error\n");
 		cx_clear(MO_VID_DMACNTRL, 0x11);
 		cx_clear(VID_CAPTURE_CONTROL, 0x06);
 		cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
@@ -1129,20 +1142,19 @@ static irqreturn_t cx8800_irq(int irq, void *dev_id)
 	for (loop = 0; loop < 10; loop++) {
 		status = cx_read(MO_PCI_INTSTAT) &
 			(core->pci_irqmask | PCI_INT_VIDINT);
-		if (0 == status)
+		if (status == 0)
 			goto out;
 		cx_write(MO_PCI_INTSTAT, status);
 		handled = 1;
 
 		if (status & core->pci_irqmask)
-			cx88_core_irq(core,status);
+			cx88_core_irq(core, status);
 		if (status & PCI_INT_VIDINT)
 			cx8800_vid_irq(dev);
 	}
-	if (10 == loop) {
-		printk(KERN_WARNING "%s/0: irq loop -- clearing mask\n",
-		       core->name);
-		cx_write(MO_PCI_INTMSK,0);
+	if (loop == 10) {
+		pr_warn("irq loop -- clearing mask\n");
+		cx_write(MO_PCI_INTMSK, 0);
 	}
 
  out:
@@ -1152,8 +1164,7 @@ static irqreturn_t cx8800_irq(int irq, void *dev_id)
 /* ----------------------------------------------------------- */
 /* exported stuff                                              */
 
-static const struct v4l2_file_operations video_fops =
-{
+static const struct v4l2_file_operations video_fops = {
 	.owner	       = THIS_MODULE,
 	.open	       = v4l2_fh_open,
 	.release       = vb2_fop_release,
@@ -1195,7 +1206,7 @@ static const struct v4l2_ioctl_ops video_ioctl_ops = {
 static const struct video_device cx8800_video_template = {
 	.name                 = "cx8800-video",
 	.fops                 = &video_fops,
-	.ioctl_ops 	      = &video_ioctl_ops,
+	.ioctl_ops	      = &video_ioctl_ops,
 	.tvnorms              = CX88_NORMS,
 };
 
@@ -1232,8 +1243,7 @@ static const struct video_device cx8800_vbi_template = {
 	.tvnorms              = CX88_NORMS,
 };
 
-static const struct v4l2_file_operations radio_fops =
-{
+static const struct v4l2_file_operations radio_fops = {
 	.owner         = THIS_MODULE,
 	.open          = radio_open,
 	.poll          = v4l2_ctrl_poll,
@@ -1258,7 +1268,7 @@ static const struct v4l2_ioctl_ops radio_ioctl_ops = {
 static const struct video_device cx8800_radio_template = {
 	.name                 = "cx8800-radio",
 	.fops                 = &radio_fops,
-	.ioctl_ops 	      = &radio_ioctl_ops,
+	.ioctl_ops	      = &radio_ioctl_ops,
 };
 
 static const struct v4l2_ctrl_ops cx8800_ctrl_vid_ops = {
@@ -1287,8 +1297,8 @@ static int cx8800_initdev(struct pci_dev *pci_dev,
 	int err;
 	int i;
 
-	dev = kzalloc(sizeof(*dev),GFP_KERNEL);
-	if (NULL == dev)
+	dev = kzalloc(sizeof(*dev), GFP_KERNEL);
+	if (!dev)
 		return -ENOMEM;
 
 	/* pci init */
@@ -1298,7 +1308,7 @@ static int cx8800_initdev(struct pci_dev *pci_dev,
 		goto fail_free;
 	}
 	core = cx88_core_get(dev->pci);
-	if (NULL == core) {
+	if (!core) {
 		err = -EINVAL;
 		goto fail_free;
 	}
@@ -1307,15 +1317,15 @@ static int cx8800_initdev(struct pci_dev *pci_dev,
 	/* print pci info */
 	dev->pci_rev = pci_dev->revision;
 	pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER,  &dev->pci_lat);
-	printk(KERN_INFO "%s/0: found at %s, rev: %d, irq: %d, "
-	       "latency: %d, mmio: 0x%llx\n", core->name,
-	       pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
-	       dev->pci_lat,(unsigned long long)pci_resource_start(pci_dev,0));
+	pr_info("found at %s, rev: %d, irq: %d, latency: %d, mmio: 0x%llx\n",
+		pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
+		dev->pci_lat,
+		(unsigned long long)pci_resource_start(pci_dev, 0));
 
 	pci_set_master(pci_dev);
-	err = pci_set_dma_mask(pci_dev,DMA_BIT_MASK(32));
+	err = pci_set_dma_mask(pci_dev, DMA_BIT_MASK(32));
 	if (err) {
-		printk("%s/0: Oops: no 32bit PCI DMA ???\n",core->name);
+		pr_err("Oops: no 32bit PCI DMA ???\n");
 		goto fail_core;
 	}
 
@@ -1332,8 +1342,7 @@ static int cx8800_initdev(struct pci_dev *pci_dev,
 	err = request_irq(pci_dev->irq, cx8800_irq,
 			  IRQF_SHARED, core->name, dev);
 	if (err < 0) {
-		printk(KERN_ERR "%s/0: can't get IRQ %d\n",
-		       core->name,pci_dev->irq);
+		pr_err("can't get IRQ %d\n", pci_dev->irq);
 		goto fail_core;
 	}
 	cx_set(MO_PCI_INTMSK, core->pci_irqmask);
@@ -1343,8 +1352,9 @@ static int cx8800_initdev(struct pci_dev *pci_dev,
 		struct v4l2_ctrl *vc;
 
 		vc = v4l2_ctrl_new_std(&core->audio_hdl, &cx8800_ctrl_aud_ops,
-			cc->id, cc->minimum, cc->maximum, cc->step, cc->default_value);
-		if (vc == NULL) {
+				       cc->id, cc->minimum, cc->maximum,
+				       cc->step, cc->default_value);
+		if (!vc) {
 			err = core->audio_hdl.error;
 			goto fail_core;
 		}
@@ -1356,8 +1366,9 @@ static int cx8800_initdev(struct pci_dev *pci_dev,
 		struct v4l2_ctrl *vc;
 
 		vc = v4l2_ctrl_new_std(&core->video_hdl, &cx8800_ctrl_vid_ops,
-			cc->id, cc->minimum, cc->maximum, cc->step, cc->default_value);
-		if (vc == NULL) {
+				       cc->id, cc->minimum, cc->maximum,
+				       cc->step, cc->default_value);
+		if (!vc) {
 			err = core->video_hdl.error;
 			goto fail_core;
 		}
@@ -1383,18 +1394,20 @@ static int cx8800_initdev(struct pci_dev *pci_dev,
 			core->wm8775_data.is_nova_s = false;
 
 		sd = v4l2_i2c_new_subdev_board(&core->v4l2_dev, &core->i2c_adap,
-				&wm8775_info, NULL);
-		if (sd != NULL) {
+					       &wm8775_info, NULL);
+		if (sd) {
 			core->sd_wm8775 = sd;
 			sd->grp_id = WM8775_GID;
 		}
 	}
 
 	if (core->board.audio_chip == CX88_AUDIO_TVAUDIO) {
-		/* This probes for a tda9874 as is used on some
-		   Pixelview Ultra boards. */
+		/*
+		 * This probes for a tda9874 as is used on some
+		 * Pixelview Ultra boards.
+		 */
 		v4l2_i2c_new_subdev(&core->v4l2_dev, &core->i2c_adap,
-				"tvaudio", 0, I2C_ADDRS(0xb0 >> 1));
+				    "tvaudio", 0, I2C_ADDRS(0xb0 >> 1));
 	}
 
 	switch (core->boardnr) {
@@ -1470,12 +1483,11 @@ static int cx8800_initdev(struct pci_dev *pci_dev,
 	err = video_register_device(&dev->video_dev, VFL_TYPE_GRABBER,
 				    video_nr[core->nr]);
 	if (err < 0) {
-		printk(KERN_ERR "%s/0: can't register video device\n",
-		       core->name);
+		pr_err("can't register video device\n");
 		goto fail_unreg;
 	}
-	printk(KERN_INFO "%s/0: registered device %s [v4l2]\n",
-	       core->name, video_device_node_name(&dev->video_dev));
+	pr_info("registered device %s [v4l2]\n",
+		video_device_node_name(&dev->video_dev));
 
 	cx88_vdev_init(core, dev->pci, &dev->vbi_dev,
 		       &cx8800_vbi_template, "vbi");
@@ -1484,12 +1496,11 @@ static int cx8800_initdev(struct pci_dev *pci_dev,
 	err = video_register_device(&dev->vbi_dev, VFL_TYPE_VBI,
 				    vbi_nr[core->nr]);
 	if (err < 0) {
-		printk(KERN_ERR "%s/0: can't register vbi device\n",
-		       core->name);
+		pr_err("can't register vbi device\n");
 		goto fail_unreg;
 	}
-	printk(KERN_INFO "%s/0: registered device %s\n",
-	       core->name, video_device_node_name(&dev->vbi_dev));
+	pr_info("registered device %s\n",
+		video_device_node_name(&dev->vbi_dev));
 
 	if (core->board.radio.type == CX88_RADIO) {
 		cx88_vdev_init(core, dev->pci, &dev->radio_dev,
@@ -1499,21 +1510,21 @@ static int cx8800_initdev(struct pci_dev *pci_dev,
 		err = video_register_device(&dev->radio_dev, VFL_TYPE_RADIO,
 					    radio_nr[core->nr]);
 		if (err < 0) {
-			printk(KERN_ERR "%s/0: can't register radio device\n",
-			       core->name);
+			pr_err("can't register radio device\n");
 			goto fail_unreg;
 		}
-		printk(KERN_INFO "%s/0: registered device %s\n",
-		       core->name, video_device_node_name(&dev->radio_dev));
+		pr_info("registered device %s\n",
+			video_device_node_name(&dev->radio_dev));
 	}
 
 	/* start tvaudio thread */
 	if (core->board.tuner_type != UNSET) {
-		core->kthread = kthread_run(cx88_audio_thread, core, "cx88 tvaudio");
+		core->kthread = kthread_run(cx88_audio_thread,
+					    core, "cx88 tvaudio");
 		if (IS_ERR(core->kthread)) {
 			err = PTR_ERR(core->kthread);
-			printk(KERN_ERR "%s/0: failed to create cx88 audio thread, err=%d\n",
-			       core->name, err);
+			pr_err("failed to create cx88 audio thread, err=%d\n",
+			       err);
 		}
 	}
 	mutex_unlock(&core->lock);
@@ -1526,7 +1537,7 @@ fail_unreg:
 	mutex_unlock(&core->lock);
 fail_core:
 	core->v4ldev = NULL;
-	cx88_core_put(core,dev->pci);
+	cx88_core_put(core, dev->pci);
 fail_free:
 	kfree(dev);
 	return err;
@@ -1557,7 +1568,7 @@ static void cx8800_finidev(struct pci_dev *pci_dev)
 	core->v4ldev = NULL;
 
 	/* free memory */
-	cx88_core_put(core,dev->pci);
+	cx88_core_put(core, dev->pci);
 	kfree(dev);
 }
 
@@ -1571,11 +1582,11 @@ static int cx8800_suspend(struct pci_dev *pci_dev, pm_message_t state)
 	/* stop video+vbi capture */
 	spin_lock_irqsave(&dev->slock, flags);
 	if (!list_empty(&dev->vidq.active)) {
-		printk("%s/0: suspend video\n", core->name);
+		pr_info("suspend video\n");
 		stop_video_dma(dev);
 	}
 	if (!list_empty(&dev->vbiq.active)) {
-		printk("%s/0: suspend vbi\n", core->name);
+		pr_info("suspend vbi\n");
 		cx8800_stop_vbi_dma(dev);
 	}
 	spin_unlock_irqrestore(&dev->slock, flags);
@@ -1586,7 +1597,8 @@ static int cx8800_suspend(struct pci_dev *pci_dev, pm_message_t state)
 	cx88_shutdown(core);
 
 	pci_save_state(pci_dev);
-	if (0 != pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state))) {
+	if (pci_set_power_state(pci_dev,
+				pci_choose_state(pci_dev, state)) != 0) {
 		pci_disable_device(pci_dev);
 		dev->state.disabled = 1;
 	}
@@ -1601,18 +1613,17 @@ static int cx8800_resume(struct pci_dev *pci_dev)
 	int err;
 
 	if (dev->state.disabled) {
-		err=pci_enable_device(pci_dev);
+		err = pci_enable_device(pci_dev);
 		if (err) {
-			printk(KERN_ERR "%s/0: can't enable device\n",
-			       core->name);
+			pr_err("can't enable device\n");
 			return err;
 		}
 
 		dev->state.disabled = 0;
 	}
-	err= pci_set_power_state(pci_dev, PCI_D0);
+	err = pci_set_power_state(pci_dev, PCI_D0);
 	if (err) {
-		printk(KERN_ERR "%s/0: can't set power state\n", core->name);
+		pr_err("can't set power state\n");
 		pci_disable_device(pci_dev);
 		dev->state.disabled = 1;
 
@@ -1630,12 +1641,12 @@ static int cx8800_resume(struct pci_dev *pci_dev)
 	/* restart video+vbi capture */
 	spin_lock_irqsave(&dev->slock, flags);
 	if (!list_empty(&dev->vidq.active)) {
-		printk("%s/0: resume video\n", core->name);
-		restart_video_queue(dev,&dev->vidq);
+		pr_info("resume video\n");
+		restart_video_queue(dev, &dev->vidq);
 	}
 	if (!list_empty(&dev->vbiq.active)) {
-		printk("%s/0: resume vbi\n", core->name);
-		cx8800_restart_vbi_queue(dev,&dev->vbiq);
+		pr_info("resume vbi\n");
+		cx8800_restart_vbi_queue(dev, &dev->vbiq);
 	}
 	spin_unlock_irqrestore(&dev->slock, flags);
 
@@ -1651,7 +1662,7 @@ static const struct pci_device_id cx8800_pci_tbl[] = {
 		.device       = 0x8800,
 		.subvendor    = PCI_ANY_ID,
 		.subdevice    = PCI_ANY_ID,
-	},{
+	}, {
 		/* --- end of list --- */
 	}
 };
diff --git a/drivers/media/pci/cx88/cx88-vp3054-i2c.c b/drivers/media/pci/cx88/cx88-vp3054-i2c.c
index deede6e25d94..92876de3841c 100644
--- a/drivers/media/pci/cx88/cx88-vp3054-i2c.c
+++ b/drivers/media/pci/cx88/cx88-vp3054-i2c.c
@@ -1,35 +1,28 @@
 /*
+ * cx88-vp3054-i2c.c -- support for the secondary I2C bus of the
+ *			DNTV Live! DVB-T Pro (VP-3054), wired as:
+ *			GPIO[0] -> SCL, GPIO[1] -> SDA
+ *
+ * (c) 2005 Chris Pascoe <c.pascoe@itee.uq.edu.au>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
 
-    cx88-vp3054-i2c.c  --  support for the secondary I2C bus of the
-			   DNTV Live! DVB-T Pro (VP-3054), wired as:
-			   GPIO[0] -> SCL, GPIO[1] -> SDA
-
-    (c) 2005 Chris Pascoe <c.pascoe@itee.uq.edu.au>
-
-    This program is free software; you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation; either version 2 of the License, or
-    (at your option) any later version.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
-
-    You should have received a copy of the GNU General Public License
-    along with this program; if not, write to the Free Software
-    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-
-*/
+#include "cx88.h"
+#include "cx88-vp3054-i2c.h"
 
 #include <linux/module.h>
 #include <linux/slab.h>
 #include <linux/init.h>
-
-#include <asm/io.h>
-
-#include "cx88.h"
-#include "cx88-vp3054-i2c.h"
+#include <linux/io.h>
 
 MODULE_DESCRIPTION("driver for cx2388x VP3054 design");
 MODULE_AUTHOR("Chris Pascoe <c.pascoe@itee.uq.edu.au>");
@@ -114,7 +107,7 @@ int vp3054_i2c_probe(struct cx8802_dev *dev)
 		return 0;
 
 	vp3054_i2c = kzalloc(sizeof(*vp3054_i2c), GFP_KERNEL);
-	if (vp3054_i2c == NULL)
+	if (!vp3054_i2c)
 		return -ENOMEM;
 	dev->vp3054 = vp3054_i2c;
 
@@ -128,12 +121,12 @@ int vp3054_i2c_probe(struct cx8802_dev *dev)
 	i2c_set_adapdata(&vp3054_i2c->adap, dev);
 	vp3054_i2c->adap.algo_data = &vp3054_i2c->algo;
 
-	vp3054_bit_setscl(dev,1);
-	vp3054_bit_setsda(dev,1);
+	vp3054_bit_setscl(dev, 1);
+	vp3054_bit_setsda(dev, 1);
 
 	rc = i2c_bit_add_bus(&vp3054_i2c->adap);
-	if (0 != rc) {
-		printk("%s: vp3054_i2c register FAILED\n", core->name);
+	if (rc != 0) {
+		pr_err("vp3054_i2c register FAILED\n");
 
 		kfree(dev->vp3054);
 		dev->vp3054 = NULL;
@@ -141,18 +134,17 @@ int vp3054_i2c_probe(struct cx8802_dev *dev)
 
 	return rc;
 }
+EXPORT_SYMBOL(vp3054_i2c_probe);
 
 void vp3054_i2c_remove(struct cx8802_dev *dev)
 {
 	struct vp3054_i2c_state *vp3054_i2c = dev->vp3054;
 
-	if (vp3054_i2c == NULL ||
+	if (!vp3054_i2c ||
 	    dev->core->boardnr != CX88_BOARD_DNTV_LIVE_DVB_T_PRO)
 		return;
 
 	i2c_del_adapter(&vp3054_i2c->adap);
 	kfree(vp3054_i2c);
 }
-
-EXPORT_SYMBOL(vp3054_i2c_probe);
 EXPORT_SYMBOL(vp3054_i2c_remove);
diff --git a/drivers/media/pci/cx88/cx88-vp3054-i2c.h b/drivers/media/pci/cx88/cx88-vp3054-i2c.h
index 95d0c60a35e1..ec19bea8f1e2 100644
--- a/drivers/media/pci/cx88/cx88-vp3054-i2c.h
+++ b/drivers/media/pci/cx88/cx88-vp3054-i2c.h
@@ -1,26 +1,20 @@
 /*
-
-    cx88-vp3054-i2c.h  --  support for the secondary I2C bus of the
-			   DNTV Live! DVB-T Pro (VP-3054), wired as:
-			   GPIO[0] -> SCL, GPIO[1] -> SDA
-
-    (c) 2005 Chris Pascoe <c.pascoe@itee.uq.edu.au>
-
-    This program is free software; you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation; either version 2 of the License, or
-    (at your option) any later version.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
-
-    You should have received a copy of the GNU General Public License
-    along with this program; if not, write to the Free Software
-    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-
-*/
+ * cx88-vp3054-i2c.h  --  support for the secondary I2C bus of the
+ *			  DNTV Live! DVB-T Pro (VP-3054), wired as:
+ *			  GPIO[0] -> SCL, GPIO[1] -> SDA
+ *
+ * (c) 2005 Chris Pascoe <c.pascoe@itee.uq.edu.au>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
 
 /* ----------------------------------------------------------------------- */
 struct vp3054_i2c_state {
diff --git a/drivers/media/pci/cx88/cx88.h b/drivers/media/pci/cx88/cx88.h
index ecd4b7bece99..115414cf520f 100644
--- a/drivers/media/pci/cx88/cx88.h
+++ b/drivers/media/pci/cx88/cx88.h
@@ -1,5 +1,4 @@
 /*
- *
  * v4l2 device driver for cx2388x based TV cards
  *
  * (c) 2003,04 Gerd Knorr <kraxel@bytesex.org> [SUSE Labs]
@@ -13,12 +12,13 @@
  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with this program; if not, write to the Free Software
- *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
 
+#ifndef CX88_H
+#define CX88_H
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/pci.h>
 #include <linux/i2c.h>
 #include <linux/i2c-algo-bit.h>
@@ -53,7 +53,7 @@
 /* defines and enums                                           */
 
 /* Currently unsupported by the driver: PAL/H, NTSC/Kr, SECAM/LC */
-#define CX88_NORMS (V4L2_STD_ALL 		\
+#define CX88_NORMS (V4L2_STD_ALL		\
 		    & ~V4L2_STD_PAL_H		\
 		    & ~V4L2_STD_NTSC_M_KR	\
 		    & ~V4L2_STD_SECAM_LC)
@@ -98,7 +98,6 @@ static inline unsigned int norm_maxw(v4l2_std_id norm)
 	return 720;
 }
 
-
 static inline unsigned int norm_maxh(v4l2_std_id norm)
 {
 	return (norm & V4L2_STD_525_60) ? 480 : 576;
@@ -140,6 +139,7 @@ struct sram_channel {
 	u32  cnt1_reg;
 	u32  cnt2_reg;
 };
+
 extern const struct sram_channel cx88_sram_channels[];
 
 /* ----------------------------------------------------------- */
@@ -361,12 +361,12 @@ struct cx88_core {
 	u32                        i2c_state, i2c_rc;
 
 	/* config info -- analog */
-	struct v4l2_device 	   v4l2_dev;
+	struct v4l2_device	   v4l2_dev;
 	struct v4l2_ctrl_handler   video_hdl;
 	struct v4l2_ctrl	   *chroma_agc;
 	struct v4l2_ctrl_handler   audio_hdl;
 	struct v4l2_subdev	   *sd_wm8775;
-	struct i2c_client 	   *i2c_rtc;
+	struct i2c_client	   *i2c_rtc;
 	unsigned int               boardnr;
 	struct cx88_board	   board;
 
@@ -383,8 +383,8 @@ struct cx88_core {
 	/* state info */
 	struct task_struct         *kthread;
 	v4l2_std_id                tvnorm;
-	unsigned		   width, height;
-	unsigned		   field;
+	unsigned int		   width, height;
+	unsigned int		   field;
 	enum cx88_tvaudio          tvaudio;
 	u32                        audiomode_manual;
 	u32                        audiomode_current;
@@ -427,7 +427,8 @@ static inline struct cx88_core *to_core(struct v4l2_device *v4l2_dev)
 		if (!core->i2c_rc) {				\
 			if (core->gate_ctrl)			\
 				core->gate_ctrl(core, 1);	\
-			v4l2_device_call_all(&core->v4l2_dev, grpid, o, f, ##args); \
+			v4l2_device_call_all(&core->v4l2_dev,	\
+					     grpid, o, f, ##args); \
 			if (core->gate_ctrl)			\
 				core->gate_ctrl(core, 0);	\
 		}						\
@@ -438,31 +439,31 @@ static inline struct cx88_core *to_core(struct v4l2_device *v4l2_dev)
 #define WM8775_GID      (1 << 0)
 
 #define wm8775_s_ctrl(core, id, val) \
-	do {									\
-		struct v4l2_ctrl *ctrl_ =					\
-			v4l2_ctrl_find(core->sd_wm8775->ctrl_handler, id);	\
-		if (ctrl_ && !core->i2c_rc) {					\
-			if (core->gate_ctrl)					\
-				core->gate_ctrl(core, 1);			\
-			v4l2_ctrl_s_ctrl(ctrl_, val);				\
-			if (core->gate_ctrl)					\
-				core->gate_ctrl(core, 0);			\
-		}								\
+	do {								\
+		struct v4l2_ctrl *ctrl_ =				\
+			v4l2_ctrl_find(core->sd_wm8775->ctrl_handler, id);\
+		if (ctrl_ && !core->i2c_rc) {				\
+			if (core->gate_ctrl)				\
+				core->gate_ctrl(core, 1);		\
+			v4l2_ctrl_s_ctrl(ctrl_, val);			\
+			if (core->gate_ctrl)				\
+				core->gate_ctrl(core, 0);		\
+		}							\
 	} while (0)
 
 #define wm8775_g_ctrl(core, id) \
-	({									\
-		struct v4l2_ctrl *ctrl_ =					\
-			v4l2_ctrl_find(core->sd_wm8775->ctrl_handler, id);	\
-		s32 val = 0;							\
-		if (ctrl_ && !core->i2c_rc) {					\
-			if (core->gate_ctrl)					\
-				core->gate_ctrl(core, 1);			\
-			val = v4l2_ctrl_g_ctrl(ctrl_);				\
-			if (core->gate_ctrl)					\
-				core->gate_ctrl(core, 0);			\
-		}								\
-		val;								\
+	({								\
+		struct v4l2_ctrl *ctrl_ =				\
+			v4l2_ctrl_find(core->sd_wm8775->ctrl_handler, id);\
+		s32 val = 0;						\
+		if (ctrl_ && !core->i2c_rc) {				\
+			if (core->gate_ctrl)				\
+				core->gate_ctrl(core, 1);		\
+			val = v4l2_ctrl_g_ctrl(ctrl_);			\
+			if (core->gate_ctrl)				\
+				core->gate_ctrl(core, 0);		\
+		}							\
+		val;							\
 	})
 
 /* ----------------------------------------------------------- */
@@ -484,7 +485,7 @@ struct cx8800_dev {
 
 	/* pci i/o */
 	struct pci_dev             *pci;
-	unsigned char              pci_rev,pci_lat;
+	unsigned char              pci_rev, pci_lat;
 
 	const struct cx8800_fmt    *fmt;
 
@@ -504,7 +505,6 @@ struct cx8800_dev {
 /* function 1: audio/alsa stuff                                */
 /* =============> moved to cx88-alsa.c <====================== */
 
-
 /* ----------------------------------------------------------- */
 /* function 2: mpeg stuff                                      */
 
@@ -547,7 +547,7 @@ struct cx8802_dev {
 
 	/* pci i/o */
 	struct pci_dev             *pci;
-	unsigned char              pci_rev,pci_lat;
+	unsigned char              pci_rev, pci_lat;
 
 	/* dma queues */
 	struct cx88_dmaqueue       mpegq;
@@ -566,6 +566,7 @@ struct cx8802_dev {
 
 	/* mpeg params */
 	struct cx2341x_handler     cxhdl;
+
 #endif
 
 #if IS_ENABLED(CONFIG_VIDEO_CX88_DVB)
@@ -588,40 +589,42 @@ struct cx8802_dev {
 
 /* ----------------------------------------------------------- */
 
-#define cx_read(reg)             readl(core->lmmio + ((reg)>>2))
-#define cx_write(reg,value)      writel((value), core->lmmio + ((reg)>>2))
-#define cx_writeb(reg,value)     writeb((value), core->bmmio + (reg))
+#define cx_read(reg)             readl(core->lmmio + ((reg) >> 2))
+#define cx_write(reg, value)     writel((value), core->lmmio + ((reg) >> 2))
+#define cx_writeb(reg, value)    writeb((value), core->bmmio + (reg))
 
-#define cx_andor(reg,mask,value) \
-  writel((readl(core->lmmio+((reg)>>2)) & ~(mask)) |\
-  ((value) & (mask)), core->lmmio+((reg)>>2))
-#define cx_set(reg,bit)          cx_andor((reg),(bit),(bit))
-#define cx_clear(reg,bit)        cx_andor((reg),(bit),0)
+#define cx_andor(reg, mask, value) \
+	writel((readl(core->lmmio + ((reg) >> 2)) & ~(mask)) |\
+	((value) & (mask)), core->lmmio + ((reg) >> 2))
+#define cx_set(reg, bit)         cx_andor((reg), (bit), (bit))
+#define cx_clear(reg, bit)       cx_andor((reg), (bit), 0)
 
 #define cx_wait(d) { if (need_resched()) schedule(); else udelay(d); }
 
 /* shadow registers */
 #define cx_sread(sreg)		    (core->shadow[sreg])
-#define cx_swrite(sreg,reg,value) \
-  (core->shadow[sreg] = value, \
-   writel(core->shadow[sreg], core->lmmio + ((reg)>>2)))
-#define cx_sandor(sreg,reg,mask,value) \
-  (core->shadow[sreg] = (core->shadow[sreg] & ~(mask)) | ((value) & (mask)), \
-   writel(core->shadow[sreg], core->lmmio + ((reg)>>2)))
+#define cx_swrite(sreg, reg, value) \
+	(core->shadow[sreg] = value, \
+	writel(core->shadow[sreg], core->lmmio + ((reg) >> 2)))
+#define cx_sandor(sreg, reg, mask, value) \
+	(core->shadow[sreg] = (core->shadow[sreg] & ~(mask)) | \
+			       ((value) & (mask)), \
+				writel(core->shadow[sreg], \
+				       core->lmmio + ((reg) >> 2)))
 
 /* ----------------------------------------------------------- */
 /* cx88-core.c                                                 */
 
 extern unsigned int cx88_core_debug;
 
-extern void cx88_print_irqbits(const char *name, const char *tag, const char *strings[],
-			       int len, u32 bits, u32 mask);
+void cx88_print_irqbits(const char *tag, const char *strings[],
+			int len, u32 bits, u32 mask);
 
-extern int cx88_core_irq(struct cx88_core *core, u32 status);
-extern void cx88_wakeup(struct cx88_core *core,
-			struct cx88_dmaqueue *q, u32 count);
-extern void cx88_shutdown(struct cx88_core *core);
-extern int cx88_reset(struct cx88_core *core);
+int cx88_core_irq(struct cx88_core *core, u32 status);
+void cx88_wakeup(struct cx88_core *core,
+		 struct cx88_dmaqueue *q, u32 count);
+void cx88_shutdown(struct cx88_core *core);
+int cx88_reset(struct cx88_core *core);
 
 extern int
 cx88_risc_buffer(struct pci_dev *pci, struct cx88_riscmem *risc,
@@ -633,43 +636,37 @@ cx88_risc_databuffer(struct pci_dev *pci, struct cx88_riscmem *risc,
 		     struct scatterlist *sglist, unsigned int bpl,
 		     unsigned int lines, unsigned int lpi);
 
-extern void cx88_risc_disasm(struct cx88_core *core,
-			     struct cx88_riscmem *risc);
-extern int cx88_sram_channel_setup(struct cx88_core *core,
-				   const struct sram_channel *ch,
-				   unsigned int bpl, u32 risc);
-extern void cx88_sram_channel_dump(struct cx88_core *core,
-				   const struct sram_channel *ch);
-
-extern int cx88_set_scale(struct cx88_core *core, unsigned int width,
-			  unsigned int height, enum v4l2_field field);
-extern int cx88_set_tvnorm(struct cx88_core *core, v4l2_std_id norm);
-
-extern void cx88_vdev_init(struct cx88_core *core,
-			   struct pci_dev *pci,
-			   struct video_device *vfd,
-			   const struct video_device *template_,
-			   const char *type);
-extern struct cx88_core *cx88_core_get(struct pci_dev *pci);
-extern void cx88_core_put(struct cx88_core *core,
-			  struct pci_dev *pci);
-
-extern int cx88_start_audio_dma(struct cx88_core *core);
-extern int cx88_stop_audio_dma(struct cx88_core *core);
-
+void cx88_risc_disasm(struct cx88_core *core,
+		      struct cx88_riscmem *risc);
+int cx88_sram_channel_setup(struct cx88_core *core,
+			    const struct sram_channel *ch,
+			    unsigned int bpl, u32 risc);
+void cx88_sram_channel_dump(struct cx88_core *core,
+			    const struct sram_channel *ch);
+
+int cx88_set_scale(struct cx88_core *core, unsigned int width,
+		   unsigned int height, enum v4l2_field field);
+int cx88_set_tvnorm(struct cx88_core *core, v4l2_std_id norm);
+
+void cx88_vdev_init(struct cx88_core *core,
+		    struct pci_dev *pci,
+		    struct video_device *vfd,
+		    const struct video_device *template_,
+		    const char *type);
+struct cx88_core *cx88_core_get(struct pci_dev *pci);
+void cx88_core_put(struct cx88_core *core,
+		   struct pci_dev *pci);
+
+int cx88_start_audio_dma(struct cx88_core *core);
+int cx88_stop_audio_dma(struct cx88_core *core);
 
 /* ----------------------------------------------------------- */
 /* cx88-vbi.c                                                  */
 
 /* Can be used as g_vbi_fmt, try_vbi_fmt and s_vbi_fmt */
-int cx8800_vbi_fmt (struct file *file, void *priv,
-					struct v4l2_format *f);
+int cx8800_vbi_fmt(struct file *file, void *priv,
+		   struct v4l2_format *f);
 
-/*
-int cx8800_start_vbi_dma(struct cx8800_dev    *dev,
-			 struct cx88_dmaqueue *q,
-			 struct cx88_buffer   *buf);
-*/
 void cx8800_stop_vbi_dma(struct cx8800_dev *dev);
 int cx8800_restart_vbi_queue(struct cx8800_dev *dev, struct cx88_dmaqueue *q);
 
@@ -678,17 +675,16 @@ extern const struct vb2_ops cx8800_vbi_qops;
 /* ----------------------------------------------------------- */
 /* cx88-i2c.c                                                  */
 
-extern int cx88_i2c_init(struct cx88_core *core, struct pci_dev *pci);
-
+int cx88_i2c_init(struct cx88_core *core, struct pci_dev *pci);
 
 /* ----------------------------------------------------------- */
 /* cx88-cards.c                                                */
 
-extern int cx88_tuner_callback(void *dev, int component, int command, int arg);
-extern int cx88_get_resources(const struct cx88_core *core,
-			      struct pci_dev *pci);
-extern struct cx88_core *cx88_core_create(struct pci_dev *pci, int nr);
-extern void cx88_setup_xc3028(struct cx88_core *core, struct xc2028_ctrl *ctl);
+int cx88_tuner_callback(void *dev, int component, int command, int arg);
+int cx88_get_resources(const struct cx88_core *core,
+		       struct pci_dev *pci);
+struct cx88_core *cx88_core_create(struct pci_dev *pci, int nr);
+void cx88_setup_xc3028(struct cx88_core *core, struct xc2028_ctrl *ctl);
 
 /* ----------------------------------------------------------- */
 /* cx88-tvaudio.c                                              */
@@ -703,7 +699,8 @@ int cx8802_register_driver(struct cx8802_driver *drv);
 int cx8802_unregister_driver(struct cx8802_driver *drv);
 
 /* Caller must hold core->lock */
-struct cx8802_driver * cx8802_get_driver(struct cx8802_dev *dev, enum cx88_board_type btype);
+struct cx8802_driver *cx8802_get_driver(struct cx8802_dev *dev,
+					enum cx88_board_type btype);
 
 /* ----------------------------------------------------------- */
 /* cx88-dsp.c                                                  */
@@ -718,18 +715,18 @@ int cx88_ir_fini(struct cx88_core *core);
 void cx88_ir_irq(struct cx88_core *core);
 int cx88_ir_start(struct cx88_core *core);
 void cx88_ir_stop(struct cx88_core *core);
-extern void cx88_i2c_init_ir(struct cx88_core *core);
+void cx88_i2c_init_ir(struct cx88_core *core);
 
 /* ----------------------------------------------------------- */
 /* cx88-mpeg.c                                                 */
 
 int cx8802_buf_prepare(struct vb2_queue *q, struct cx8802_dev *dev,
-			struct cx88_buffer *buf);
+		       struct cx88_buffer *buf);
 void cx8802_buf_queue(struct cx8802_dev *dev, struct cx88_buffer *buf);
 void cx8802_cancel_buffers(struct cx8802_dev *dev);
 int cx8802_start_dma(struct cx8802_dev    *dev,
-			    struct cx88_dmaqueue *q,
-			    struct cx88_buffer   *buf);
+		     struct cx88_dmaqueue *q,
+		     struct cx88_buffer   *buf);
 
 /* ----------------------------------------------------------- */
 /* cx88-video.c*/
@@ -737,4 +734,6 @@ int cx88_enum_input(struct cx88_core *core, struct v4l2_input *i);
 int cx88_set_freq(struct cx88_core  *core, const struct v4l2_frequency *f);
 int cx88_video_mux(struct cx88_core *core, unsigned int input);
 void cx88_querycap(struct file *file, struct cx88_core *core,
-		struct v4l2_capability *cap);
+		   struct v4l2_capability *cap);
+
+#endif
diff --git a/drivers/media/pci/ddbridge/ddbridge-core.c b/drivers/media/pci/ddbridge/ddbridge-core.c
index 18e3a4deee64..a6c9fe235974 100644
--- a/drivers/media/pci/ddbridge/ddbridge-core.c
+++ b/drivers/media/pci/ddbridge/ddbridge-core.c
@@ -824,8 +824,7 @@ static int dvb_input_attach(struct ddb_input *input)
 				   &input->port->dev->pdev->dev,
 				   adapter_nr);
 	if (ret < 0) {
-		printk(KERN_ERR "ddbridge: Could not register adapter."
-		       "Check if you enabled enough adapters in dvb-core!\n");
+		printk(KERN_ERR "ddbridge: Could not register adapter.Check if you enabled enough adapters in dvb-core!\n");
 		return ret;
 	}
 	input->attached = 1;
@@ -1730,8 +1729,7 @@ static __init int module_init_ddbridge(void)
 {
 	int ret;
 
-	printk(KERN_INFO "Digital Devices PCIE bridge driver, "
-	       "Copyright (C) 2010-11 Digital Devices GmbH\n");
+	printk(KERN_INFO "Digital Devices PCIE bridge driver, Copyright (C) 2010-11 Digital Devices GmbH\n");
 
 	ret = ddb_class_create();
 	if (ret < 0)
diff --git a/drivers/media/pci/dm1105/dm1105.c b/drivers/media/pci/dm1105/dm1105.c
index 5dd504741b12..a589aa78d1d9 100644
--- a/drivers/media/pci/dm1105/dm1105.c
+++ b/drivers/media/pci/dm1105/dm1105.c
@@ -315,8 +315,7 @@ static void dm1105_card_list(struct pci_dev *pci)
 			"dm1105: Updating to the latest version might help\n"
 			"dm1105: as well.\n");
 	}
-	printk(KERN_ERR "Here is a list of valid choices for the card=<n> "
-		   "insmod option:\n");
+	printk(KERN_ERR "Here is a list of valid choices for the card=<n> insmod option:\n");
 	for (i = 0; i < ARRAY_SIZE(dm1105_boards); i++)
 		printk(KERN_ERR "dm1105:    card=%d -> %s\n",
 				i, dm1105_boards[i].name);
diff --git a/drivers/media/pci/ivtv/ivtv-alsa-main.c b/drivers/media/pci/ivtv/ivtv-alsa-main.c
index 8a86b61a896d..374f45f81ab3 100644
--- a/drivers/media/pci/ivtv/ivtv-alsa-main.c
+++ b/drivers/media/pci/ivtv/ivtv-alsa-main.c
@@ -177,8 +177,8 @@ static int snd_ivtv_init(struct v4l2_device *v4l2_dev)
 #if 0
 	ret = snd_ivtv_mixer_create(itvsc);
 	if (ret) {
-		IVTV_ALSA_WARN("%s: snd_ivtv_mixer_create() failed with err %d:"
-			       " proceeding anyway\n", __func__, ret);
+		IVTV_ALSA_WARN("%s: snd_ivtv_mixer_create() failed with err %d: proceeding anyway\n",
+			       __func__, ret);
 	}
 #endif
 
@@ -235,8 +235,8 @@ static int ivtv_alsa_load(struct ivtv *itv)
 
 	s = &itv->streams[IVTV_ENC_STREAM_TYPE_PCM];
 	if (s->vdev.v4l2_dev == NULL) {
-		IVTV_DEBUG_ALSA_INFO("%s: PCM stream for card is disabled - "
-				     "skipping\n", __func__);
+		IVTV_DEBUG_ALSA_INFO("%s: PCM stream for card is disabled - skipping\n",
+				     __func__);
 		return 0;
 	}
 
@@ -250,8 +250,8 @@ static int ivtv_alsa_load(struct ivtv *itv)
 		IVTV_ALSA_ERR("%s: failed to create struct snd_ivtv_card\n",
 			      __func__);
 	} else {
-		IVTV_DEBUG_ALSA_INFO("%s: created ivtv ALSA interface instance "
-				     "\n", __func__);
+		IVTV_DEBUG_ALSA_INFO("%s: created ivtv ALSA interface instance \n",
+				     __func__);
 	}
 	return 0;
 }
diff --git a/drivers/media/pci/ivtv/ivtv-driver.c b/drivers/media/pci/ivtv/ivtv-driver.c
index ee48c3e09de4..0a3b80a4bd69 100644
--- a/drivers/media/pci/ivtv/ivtv-driver.c
+++ b/drivers/media/pci/ivtv/ivtv-driver.c
@@ -885,8 +885,8 @@ static int ivtv_setup_pci(struct ivtv *itv, struct pci_dev *pdev,
 	pci_read_config_byte(pdev, PCI_LATENCY_TIMER, &pci_latency);
 
 	if (pci_latency < 64 && ivtv_pci_latency) {
-		IVTV_INFO("Unreasonably low latency timer, "
-			       "setting to 64 (was %d)\n", pci_latency);
+		IVTV_INFO("Unreasonably low latency timer, setting to 64 (was %d)\n",
+			  pci_latency);
 		pci_write_config_byte(pdev, PCI_LATENCY_TIMER, 64);
 		pci_read_config_byte(pdev, PCI_LATENCY_TIMER, &pci_latency);
 	}
@@ -896,8 +896,7 @@ static int ivtv_setup_pci(struct ivtv *itv, struct pci_dev *pdev,
 	   these problems. */
 	pci_write_config_dword(pdev, 0x40, 0xffff);
 
-	IVTV_DEBUG_INFO("%d (rev %d) at %02x:%02x.%x, "
-		   "irq: %d, latency: %d, memory: 0x%llx\n",
+	IVTV_DEBUG_INFO("%d (rev %d) at %02x:%02x.%x, irq: %d, latency: %d, memory: 0x%llx\n",
 		   pdev->device, pdev->revision, pdev->bus->number,
 		   PCI_SLOT(pdev->devfn), PCI_FUNC(pdev->devfn),
 		   pdev->irq, pci_latency, (u64)itv->base_addr);
@@ -1047,13 +1046,10 @@ static int ivtv_probe(struct pci_dev *pdev, const struct pci_device_id *pci_id)
 	itv->enc_mem = ioremap_nocache(itv->base_addr + IVTV_ENCODER_OFFSET,
 				       IVTV_ENCODER_SIZE);
 	if (!itv->enc_mem) {
-		IVTV_ERR("ioremap failed. Can't get a window into CX23415/6 "
-			 "encoder memory\n");
-		IVTV_ERR("Each capture card with a CX23415/6 needs 8 MB of "
-			 "vmalloc address space for this window\n");
+		IVTV_ERR("ioremap failed. Can't get a window into CX23415/6 encoder memory\n");
+		IVTV_ERR("Each capture card with a CX23415/6 needs 8 MB of vmalloc address space for this window\n");
 		IVTV_ERR("Check the output of 'grep Vmalloc /proc/meminfo'\n");
-		IVTV_ERR("Use the vmalloc= kernel command line option to set "
-			 "VmallocTotal to a larger value\n");
+		IVTV_ERR("Use the vmalloc= kernel command line option to set VmallocTotal to a larger value\n");
 		retval = -ENOMEM;
 		goto free_mem;
 	}
@@ -1064,14 +1060,10 @@ static int ivtv_probe(struct pci_dev *pdev, const struct pci_device_id *pci_id)
 		itv->dec_mem = ioremap_nocache(itv->base_addr + IVTV_DECODER_OFFSET,
 				IVTV_DECODER_SIZE);
 		if (!itv->dec_mem) {
-			IVTV_ERR("ioremap failed. Can't get a window into "
-				 "CX23415 decoder memory\n");
-			IVTV_ERR("Each capture card with a CX23415 needs 8 MB "
-				 "of vmalloc address space for this window\n");
-			IVTV_ERR("Check the output of 'grep Vmalloc "
-				 "/proc/meminfo'\n");
-			IVTV_ERR("Use the vmalloc= kernel command line option "
-				 "to set VmallocTotal to a larger value\n");
+			IVTV_ERR("ioremap failed. Can't get a window into CX23415 decoder memory\n");
+			IVTV_ERR("Each capture card with a CX23415 needs 8 MB of vmalloc address space for this window\n");
+			IVTV_ERR("Check the output of 'grep Vmalloc /proc/meminfo'\n");
+			IVTV_ERR("Use the vmalloc= kernel command line option to set VmallocTotal to a larger value\n");
 			retval = -ENOMEM;
 			goto free_mem;
 		}
@@ -1086,13 +1078,10 @@ static int ivtv_probe(struct pci_dev *pdev, const struct pci_device_id *pci_id)
 	itv->reg_mem =
 	    ioremap_nocache(itv->base_addr + IVTV_REG_OFFSET, IVTV_REG_SIZE);
 	if (!itv->reg_mem) {
-		IVTV_ERR("ioremap failed. Can't get a window into CX23415/6 "
-			 "register space\n");
-		IVTV_ERR("Each capture card with a CX23415/6 needs 64 kB of "
-			 "vmalloc address space for this window\n");
+		IVTV_ERR("ioremap failed. Can't get a window into CX23415/6 register space\n");
+		IVTV_ERR("Each capture card with a CX23415/6 needs 64 kB of vmalloc address space for this window\n");
 		IVTV_ERR("Check the output of 'grep Vmalloc /proc/meminfo'\n");
-		IVTV_ERR("Use the vmalloc= kernel command line option to set "
-			 "VmallocTotal to a larger value\n");
+		IVTV_ERR("Use the vmalloc= kernel command line option to set VmallocTotal to a larger value\n");
 		retval = -ENOMEM;
 		goto free_io;
 	}
diff --git a/drivers/media/pci/ivtv/ivtv-firmware.c b/drivers/media/pci/ivtv/ivtv-firmware.c
index 5b3095f65dce..ba279fdb3df8 100644
--- a/drivers/media/pci/ivtv/ivtv-firmware.c
+++ b/drivers/media/pci/ivtv/ivtv-firmware.c
@@ -376,8 +376,8 @@ int ivtv_firmware_check(struct ivtv *itv, char *where)
 	/* If something failed & currently idle, try to reload */
 	if (res && !atomic_read(&itv->capturing) &&
 						!atomic_read(&itv->decoding)) {
-		IVTV_INFO("Detected in %s that firmware had failed - "
-			  "Reloading\n", where);
+		IVTV_INFO("Detected in %s that firmware had failed - Reloading\n",
+			  where);
 		res = ivtv_firmware_restart(itv);
 		/*
 		 * Even if restarted ok, still signal a problem had occurred.
diff --git a/drivers/media/pci/ivtv/ivtv-yuv.c b/drivers/media/pci/ivtv/ivtv-yuv.c
index f7299d3d8244..44936d6d7c39 100644
--- a/drivers/media/pci/ivtv/ivtv-yuv.c
+++ b/drivers/media/pci/ivtv/ivtv-yuv.c
@@ -89,8 +89,8 @@ static int ivtv_yuv_prep_user_dma(struct ivtv *itv, struct ivtv_user_dma *dma,
 
 		if (y_pages == y_dma.page_count) {
 			IVTV_DEBUG_WARN
-				("failed to map uv user pages, returned %d "
-				 "expecting %d\n", uv_pages, uv_dma.page_count);
+				("failed to map uv user pages, returned %d expecting %d\n",
+				 uv_pages, uv_dma.page_count);
 
 			if (uv_pages >= 0) {
 				for (i = 0; i < uv_pages; i++)
@@ -101,8 +101,8 @@ static int ivtv_yuv_prep_user_dma(struct ivtv *itv, struct ivtv_user_dma *dma,
 			}
 		} else {
 			IVTV_DEBUG_WARN
-				("failed to map y user pages, returned %d "
-				 "expecting %d\n", y_pages, y_dma.page_count);
+				("failed to map y user pages, returned %d expecting %d\n",
+				 y_pages, y_dma.page_count);
 		}
 		if (y_pages >= 0) {
 			for (i = 0; i < y_pages; i++)
diff --git a/drivers/media/pci/ivtv/ivtvfb.c b/drivers/media/pci/ivtv/ivtvfb.c
index 8b95eefb610b..612a8402cf4d 100644
--- a/drivers/media/pci/ivtv/ivtvfb.c
+++ b/drivers/media/pci/ivtv/ivtvfb.c
@@ -293,8 +293,7 @@ static int ivtvfb_prep_dec_dma_to_device(struct ivtv *itv,
 	/* Map User DMA */
 	if (ivtv_udma_setup(itv, ivtv_dest_addr, userbuf, size_in_bytes) <= 0) {
 		mutex_unlock(&itv->udma.lock);
-		IVTVFB_WARN("ivtvfb_prep_dec_dma_to_device, "
-			       "Error with get_user_pages: %d bytes, %d pages returned\n",
+		IVTVFB_WARN("ivtvfb_prep_dec_dma_to_device, Error with get_user_pages: %d bytes, %d pages returned\n",
 			       size_in_bytes, itv->udma.page_count);
 
 		/* get_user_pages must have failed completely */
diff --git a/drivers/media/pci/meye/meye.c b/drivers/media/pci/meye/meye.c
index ba887e8e1b17..e825bc93ea7a 100644
--- a/drivers/media/pci/meye/meye.c
+++ b/drivers/media/pci/meye/meye.c
@@ -60,8 +60,7 @@ MODULE_PARM_DESC(gbuffers, "number of capture buffers, default is 2 (32 max)");
 /* size of a grab buffer */
 static unsigned int gbufsize = MEYE_MAX_BUFSIZE;
 module_param(gbufsize, int, 0444);
-MODULE_PARM_DESC(gbufsize, "size of the capture buffers, default is 614400"
-		 " (will be rounded up to a page multiple)");
+MODULE_PARM_DESC(gbufsize, "size of the capture buffers, default is 614400 (will be rounded up to a page multiple)");
 
 /* /dev/videoX registration number */
 static int video_nr = -1;
@@ -587,10 +586,7 @@ static void mchip_hic_stop(void)
 /* get the next ready frame from the dma engine */
 static u32 mchip_get_frame(void)
 {
-	u32 v;
-
-	v = mchip_read(MCHIP_MM_FIR(meye.mchip_fnum));
-	return v;
+	return mchip_read(MCHIP_MM_FIR(meye.mchip_fnum));
 }
 
 /* frees the current frame from the dma engine */
@@ -1261,8 +1257,7 @@ static int vidioc_reqbufs(struct file *file, void *fh,
 	meye.grab_fbuffer = rvmalloc(gbuffers * gbufsize);
 
 	if (!meye.grab_fbuffer) {
-		printk(KERN_ERR "meye: v4l framebuffer allocation"
-				" failed\n");
+		printk(KERN_ERR "meye: v4l framebuffer allocation failed\n");
 		mutex_unlock(&meye.lock);
 		return -ENOMEM;
 	}
@@ -1659,8 +1654,7 @@ static int meye_probe(struct pci_dev *pcidev, const struct pci_device_id *ent)
 	ret = -EIO;
 	if ((ret = sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERA, 1))) {
 		v4l2_err(v4l2_dev, "meye: unable to power on the camera\n");
-		v4l2_err(v4l2_dev, "meye: did you enable the camera in "
-				"sonypi using the module options ?\n");
+		v4l2_err(v4l2_dev, "meye: did you enable the camera in sonypi using the module options ?\n");
 		goto outsonypienable;
 	}
 
@@ -1834,8 +1828,7 @@ static int __init meye_init(void)
 	if (gbufsize > MEYE_MAX_BUFSIZE)
 		gbufsize = MEYE_MAX_BUFSIZE;
 	gbufsize = PAGE_ALIGN(gbufsize);
-	printk(KERN_INFO "meye: using %d buffers with %dk (%dk total) "
-			 "for capture\n",
+	printk(KERN_INFO "meye: using %d buffers with %dk (%dk total) for capture\n",
 			 gbuffers,
 			 gbufsize / 1024, gbuffers * gbufsize / 1024);
 	return pci_register_driver(&meye_driver);
diff --git a/drivers/media/pci/netup_unidvb/netup_unidvb_core.c b/drivers/media/pci/netup_unidvb/netup_unidvb_core.c
index b078ac2a682c..191bd8299dc3 100644
--- a/drivers/media/pci/netup_unidvb/netup_unidvb_core.c
+++ b/drivers/media/pci/netup_unidvb/netup_unidvb_core.c
@@ -1030,15 +1030,4 @@ static struct pci_driver netup_unidvb_pci_driver = {
 	.resume   = NULL,
 };
 
-static int __init netup_unidvb_init(void)
-{
-	return pci_register_driver(&netup_unidvb_pci_driver);
-}
-
-static void __exit netup_unidvb_fini(void)
-{
-	pci_unregister_driver(&netup_unidvb_pci_driver);
-}
-
-module_init(netup_unidvb_init);
-module_exit(netup_unidvb_fini);
+module_pci_driver(netup_unidvb_pci_driver);
diff --git a/drivers/media/pci/pluto2/pluto2.c b/drivers/media/pci/pluto2/pluto2.c
index 655d6854a8d7..65afb71ff79f 100644
--- a/drivers/media/pci/pluto2/pluto2.c
+++ b/drivers/media/pci/pluto2/pluto2.c
@@ -577,12 +577,12 @@ static int pluto_read_serial(struct pluto *pluto)
 		for (j = 0; j < 32; j += 8) {
 			if ((val & 0xff) == 0xff)
 				goto out;
-			printk("%c", val & 0xff);
+			printk(KERN_CONT "%c", val & 0xff);
 			val >>= 8;
 		}
 	}
 out:
-	printk("\n");
+	printk(KERN_CONT "\n");
 	pci_iounmap(pdev, cis);
 
 	return 0;
diff --git a/drivers/media/pci/pt1/pt1.c b/drivers/media/pci/pt1/pt1.c
index e7e4428109c3..d5ee82aee9e8 100644
--- a/drivers/media/pci/pt1/pt1.c
+++ b/drivers/media/pci/pt1/pt1.c
@@ -282,13 +282,12 @@ static int pt1_filter(struct pt1 *pt1, struct pt1_buffer_page *page)
 			continue;
 
 		if (upacket >> 24 & 1)
-			printk_ratelimited(KERN_INFO "earth-pt1: device "
-				"buffer overflowing. table[%d] buf[%d]\n",
+			printk_ratelimited(KERN_INFO "earth-pt1: device buffer overflowing. table[%d] buf[%d]\n",
 				pt1->table_index, pt1->buf_index);
 		sc = upacket >> 26 & 0x7;
 		if (adap->st_count != -1 && sc != ((adap->st_count + 1) & 0x7))
-			printk_ratelimited(KERN_INFO "earth-pt1: data loss"
-				" in streamID(adapter)[%d]\n", index);
+			printk_ratelimited(KERN_INFO "earth-pt1: data loss in streamID(adapter)[%d]\n",
+					   index);
 		adap->st_count = sc;
 
 		buf = adap->buf;
diff --git a/drivers/media/pci/pt1/va1j5jf8007s.c b/drivers/media/pci/pt1/va1j5jf8007s.c
index d0e70dc0e16f..249273b2e0f2 100644
--- a/drivers/media/pci/pt1/va1j5jf8007s.c
+++ b/drivers/media/pci/pt1/va1j5jf8007s.c
@@ -578,7 +578,7 @@ static void va1j5jf8007s_release(struct dvb_frontend *fe)
 	kfree(state);
 }
 
-static struct dvb_frontend_ops va1j5jf8007s_ops = {
+static const struct dvb_frontend_ops va1j5jf8007s_ops = {
 	.delsys = { SYS_ISDBS },
 	.info = {
 		.name = "VA1J5JF8007/VA1J5JF8011 ISDB-S",
diff --git a/drivers/media/pci/pt1/va1j5jf8007t.c b/drivers/media/pci/pt1/va1j5jf8007t.c
index 0268f20b8097..e0766e69a370 100644
--- a/drivers/media/pci/pt1/va1j5jf8007t.c
+++ b/drivers/media/pci/pt1/va1j5jf8007t.c
@@ -427,7 +427,7 @@ static void va1j5jf8007t_release(struct dvb_frontend *fe)
 	kfree(state);
 }
 
-static struct dvb_frontend_ops va1j5jf8007t_ops = {
+static const struct dvb_frontend_ops va1j5jf8007t_ops = {
 	.delsys = { SYS_ISDBT },
 	.info = {
 		.name = "VA1J5JF8007/VA1J5JF8011 ISDB-T",
diff --git a/drivers/media/pci/saa7134/saa7134-alsa.c b/drivers/media/pci/saa7134/saa7134-alsa.c
index dc0e2fc5f68b..8a35ecfb75e3 100644
--- a/drivers/media/pci/saa7134/saa7134-alsa.c
+++ b/drivers/media/pci/saa7134/saa7134-alsa.c
@@ -813,8 +813,7 @@ static int snd_card_saa7134_capture_open(struct snd_pcm_substream * substream)
 	int amux, err;
 
 	if (!saa7134) {
-		pr_err("BUG: saa7134 can't find device struct."
-				" Can't proceed with open\n");
+		pr_err("BUG: saa7134 can't find device struct. Can't proceed with open\n");
 		return -ENODEV;
 	}
 	dev = saa7134->dev;
diff --git a/drivers/media/pci/saa7134/saa7134-cards.c b/drivers/media/pci/saa7134/saa7134-cards.c
index c480a7e87593..2b60af493de4 100644
--- a/drivers/media/pci/saa7134/saa7134-cards.c
+++ b/drivers/media/pci/saa7134/saa7134-cards.c
@@ -7341,8 +7341,8 @@ static void hauppauge_eeprom(struct saa7134_dev *dev, u8 *eeprom_data)
 	case 67659: /* WinTV-HVR1110 (OEM, no IR, hybrid, FM, SVid/Comp, RCA aud) */
 		break;
 	default:
-		pr_warn("%s: warning: "
-		       "unknown hauppauge model #%d\n", dev->name, tv.model);
+		pr_warn("%s: warning: unknown hauppauge model #%d\n",
+			dev->name, tv.model);
 		break;
 	}
 
@@ -7920,8 +7920,8 @@ int saa7134_board_init2(struct saa7134_dev *dev)
 		msg.addr = 0x0b;
 		msg.len = 1;
 		if (1 != i2c_transfer(&dev->i2c_adap, &msg, 1)) {
-			pr_warn("%s: send wake up byte to pic16C505"
-					"(IR chip) failed\n", dev->name);
+			pr_warn("%s: send wake up byte to pic16C505(IR chip) failed\n",
+				dev->name);
 		} else {
 			msg.flags = I2C_M_RD;
 			rc = i2c_transfer(&dev->i2c_adap, &msg, 1);
diff --git a/drivers/media/pci/saa7134/saa7134-core.c b/drivers/media/pci/saa7134/saa7134-core.c
index ffb66a9ae23e..7d6bb5c9343f 100644
--- a/drivers/media/pci/saa7134/saa7134-core.c
+++ b/drivers/media/pci/saa7134/saa7134-core.c
@@ -66,8 +66,7 @@ MODULE_PARM_DESC(latency,"pci latency timer");
 
 int saa7134_no_overlay=-1;
 module_param_named(no_overlay, saa7134_no_overlay, int, 0444);
-MODULE_PARM_DESC(no_overlay,"allow override overlay default (0 disables, 1 enables)"
-		" [some VIA/SIS chipsets are known to have problem with overlay]");
+MODULE_PARM_DESC(no_overlay, "allow override overlay default (0 disables, 1 enables) [some VIA/SIS chipsets are known to have problem with overlay]");
 
 bool saa7134_userptr;
 module_param(saa7134_userptr, bool, 0644);
@@ -619,25 +618,25 @@ static irqreturn_t saa7134_irq(int irq, void *dev_id)
 		print_irqstatus(dev,loop,report,status);
 		if (report & SAA7134_IRQ_REPORT_PE) {
 			/* disable all parity error */
-			pr_warn("%s/irq: looping -- "
-			       "clearing PE (parity error!) enable bit\n",dev->name);
+			pr_warn("%s/irq: looping -- clearing PE (parity error!) enable bit\n",
+				dev->name);
 			saa_clearl(SAA7134_IRQ2,SAA7134_IRQ2_INTE_PE);
 		} else if (report & SAA7134_IRQ_REPORT_GPIO16) {
 			/* disable gpio16 IRQ */
-			pr_warn("%s/irq: looping -- "
-			       "clearing GPIO16 enable bit\n",dev->name);
+			pr_warn("%s/irq: looping -- clearing GPIO16 enable bit\n",
+				dev->name);
 			saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO16_P);
 			saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO16_N);
 		} else if (report & SAA7134_IRQ_REPORT_GPIO18) {
 			/* disable gpio18 IRQs */
-			pr_warn("%s/irq: looping -- "
-			       "clearing GPIO18 enable bit\n",dev->name);
+			pr_warn("%s/irq: looping -- clearing GPIO18 enable bit\n",
+				dev->name);
 			saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO18_P);
 			saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO18_N);
 		} else {
 			/* disable all irqs */
-			pr_warn("%s/irq: looping -- "
-			       "clearing all enable bits\n",dev->name);
+			pr_warn("%s/irq: looping -- clearing all enable bits\n",
+				dev->name);
 			saa_writel(SAA7134_IRQ1,0);
 			saa_writel(SAA7134_IRQ2,0);
 		}
@@ -1081,18 +1080,14 @@ static int saa7134_initdev(struct pci_dev *pci_dev,
 		}
 #endif
 		if (pci_pci_problems & (PCIPCI_FAIL|PCIAGP_FAIL)) {
-			pr_info("%s: quirk: this driver and your "
-					"chipset may not work together"
-					" in overlay mode.\n",dev->name);
+			pr_info("%s: quirk: this driver and your chipset may not work together in overlay mode.\n",
+				dev->name);
 			if (!saa7134_no_overlay) {
-				pr_info("%s: quirk: overlay "
-						"mode will be disabled.\n",
+				pr_info("%s: quirk: overlay mode will be disabled.\n",
 						dev->name);
 				saa7134_no_overlay = 1;
 			} else {
-				pr_info("%s: quirk: overlay "
-						"mode will be forced. Use this"
-						" option at your own risk.\n",
+				pr_info("%s: quirk: overlay mode will be forced. Use this option at your own risk.\n",
 						dev->name);
 			}
 		}
@@ -1106,10 +1101,10 @@ static int saa7134_initdev(struct pci_dev *pci_dev,
 	/* print pci info */
 	dev->pci_rev = pci_dev->revision;
 	pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER,  &dev->pci_lat);
-	pr_info("%s: found at %s, rev: %d, irq: %d, "
-	       "latency: %d, mmio: 0x%llx\n", dev->name,
-	       pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
-	       dev->pci_lat,(unsigned long long)pci_resource_start(pci_dev,0));
+	pr_info("%s: found at %s, rev: %d, irq: %d, latency: %d, mmio: 0x%llx\n",
+		dev->name, pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
+		dev->pci_lat,
+		(unsigned long long)pci_resource_start(pci_dev, 0));
 	pci_set_master(pci_dev);
 	err = pci_set_dma_mask(pci_dev, DMA_BIT_MASK(32));
 	if (err) {
diff --git a/drivers/media/pci/saa7134/saa7134-dvb.c b/drivers/media/pci/saa7134/saa7134-dvb.c
index 59a4b5f7724e..598b8bbfe726 100644
--- a/drivers/media/pci/saa7134/saa7134-dvb.c
+++ b/drivers/media/pci/saa7134/saa7134-dvb.c
@@ -1449,8 +1449,8 @@ static int dvb_init(struct saa7134_dev *dev)
 
 				if (dvb_attach(tda826x_attach, fe0->dvb.frontend,
 						0x60, &dev->i2c_adap, 0) == NULL) {
-					pr_warn("%s: Medion Quadro, no tda826x "
-						"found !\n", __func__);
+					pr_warn("%s: Medion Quadro, no tda826x found !\n",
+						__func__);
 					goto detach_frontend;
 				}
 				if (dev_id != 0x08) {
@@ -1458,8 +1458,8 @@ static int dvb_init(struct saa7134_dev *dev)
 					fe->ops.i2c_gate_ctrl(fe, 1);
 					if (dvb_attach(isl6405_attach, fe,
 							&dev->i2c_adap, 0x08, 0, 0) == NULL) {
-						pr_warn("%s: Medion Quadro, no ISL6405 "
-							"found !\n", __func__);
+						pr_warn("%s: Medion Quadro, no ISL6405 found !\n",
+							__func__);
 						goto detach_frontend;
 					}
 					if (dev_id == 0x07) {
@@ -1629,8 +1629,8 @@ static int dvb_init(struct saa7134_dev *dev)
 			struct dvb_frontend *fe;
 			if (dvb_attach(dvb_pll_attach, fe0->dvb.frontend, 0x60,
 				  &dev->i2c_adap, DVB_PLL_PHILIPS_SD1878_TDA8261) == NULL) {
-				pr_warn("%s: MD7134 DVB-S, no SD1878 "
-					"found !\n", __func__);
+				pr_warn("%s: MD7134 DVB-S, no SD1878 found !\n",
+					__func__);
 				goto detach_frontend;
 			}
 			/* we need to open the i2c gate (we know it exists) */
@@ -1638,8 +1638,8 @@ static int dvb_init(struct saa7134_dev *dev)
 			fe->ops.i2c_gate_ctrl(fe, 1);
 			if (dvb_attach(isl6405_attach, fe,
 					&dev->i2c_adap, 0x08, 0, 0) == NULL) {
-				pr_warn("%s: MD7134 DVB-S, no ISL6405 "
-					"found !\n", __func__);
+				pr_warn("%s: MD7134 DVB-S, no ISL6405 found !\n",
+					__func__);
 				goto detach_frontend;
 			}
 			fe->ops.i2c_gate_ctrl(fe, 0);
@@ -1670,14 +1670,14 @@ static int dvb_init(struct saa7134_dev *dev)
 				if (dvb_attach(tda826x_attach,
 						fe0->dvb.frontend, 0x60,
 						&dev->i2c_adap, 0) == NULL) {
-					pr_warn("%s: Asus Tiger 3in1, no "
-						"tda826x found!\n", __func__);
+					pr_warn("%s: Asus Tiger 3in1, no tda826x found!\n",
+						__func__);
 					goto detach_frontend;
 				}
 				if (dvb_attach(lnbp21_attach, fe0->dvb.frontend,
 						&dev->i2c_adap, 0, 0) == NULL) {
-					pr_warn("%s: Asus Tiger 3in1, no lnbp21"
-						" found!\n", __func__);
+					pr_warn("%s: Asus Tiger 3in1, no lnbp21 found!\n",
+						__func__);
 					goto detach_frontend;
 			       }
 		       }
@@ -1695,14 +1695,14 @@ static int dvb_init(struct saa7134_dev *dev)
 				if (dvb_attach(tda826x_attach,
 					       fe0->dvb.frontend, 0x60,
 					       &dev->i2c_adap, 0) == NULL) {
-					pr_warn("%s: Asus My Cinema PS3-100, no "
-						"tda826x found!\n", __func__);
+					pr_warn("%s: Asus My Cinema PS3-100, no tda826x found!\n",
+						__func__);
 					goto detach_frontend;
 				}
 				if (dvb_attach(lnbp21_attach, fe0->dvb.frontend,
 					       &dev->i2c_adap, 0, 0) == NULL) {
-					pr_warn("%s: Asus My Cinema PS3-100, no lnbp21"
-						" found!\n", __func__);
+					pr_warn("%s: Asus My Cinema PS3-100, no lnbp21 found!\n",
+						__func__);
 					goto detach_frontend;
 				}
 			}
diff --git a/drivers/media/pci/saa7134/saa7134-i2c.c b/drivers/media/pci/saa7134/saa7134-i2c.c
index 2dac48fa1386..dca0592c5f47 100644
--- a/drivers/media/pci/saa7134/saa7134-i2c.c
+++ b/drivers/media/pci/saa7134/saa7134-i2c.c
@@ -355,12 +355,43 @@ static struct i2c_client saa7134_client_template = {
 
 /* ----------------------------------------------------------- */
 
+/* On Medion 7134 reading EEPROM needs DVB-T demod i2c gate open */
+static void saa7134_i2c_eeprom_md7134_gate(struct saa7134_dev *dev)
+{
+	u8 subaddr = 0x7, dmdregval;
+	u8 data[2];
+	int ret;
+	struct i2c_msg i2cgatemsg_r[] = { {.addr = 0x08, .flags = 0,
+					   .buf = &subaddr, .len = 1},
+					  {.addr = 0x08,
+					   .flags = I2C_M_RD,
+					   .buf = &dmdregval, .len = 1}
+					};
+	struct i2c_msg i2cgatemsg_w[] = { {.addr = 0x08, .flags = 0,
+					   .buf = data, .len = 2} };
+
+	ret = i2c_transfer(&dev->i2c_adap, i2cgatemsg_r, 2);
+	if ((ret == 2) && (dmdregval & 0x2)) {
+		pr_debug("%s: DVB-T demod i2c gate was left closed\n",
+			 dev->name);
+
+		data[0] = subaddr;
+		data[1] = (dmdregval & ~0x2);
+		if (i2c_transfer(&dev->i2c_adap, i2cgatemsg_w, 1) != 1)
+			pr_err("%s: EEPROM i2c gate open failure\n",
+			  dev->name);
+	}
+}
+
 static int
 saa7134_i2c_eeprom(struct saa7134_dev *dev, unsigned char *eedata, int len)
 {
 	unsigned char buf;
 	int i,err;
 
+	if (dev->board == SAA7134_BOARD_MD7134)
+		saa7134_i2c_eeprom_md7134_gate(dev);
+
 	dev->i2c_client.addr = 0xa0 >> 1;
 	buf = 0;
 	if (1 != (err = i2c_master_send(&dev->i2c_client,&buf,1))) {
diff --git a/drivers/media/pci/saa7134/saa7134-input.c b/drivers/media/pci/saa7134/saa7134-input.c
index eff52bbbfd66..823b75ed47e1 100644
--- a/drivers/media/pci/saa7134/saa7134-input.c
+++ b/drivers/media/pci/saa7134/saa7134-input.c
@@ -123,8 +123,7 @@ static int get_key_flydvb_trio(struct IR_i2c *ir, enum rc_type *protocol,
 	struct saa7134_dev *dev = ir->c->adapter->algo_data;
 
 	if (dev == NULL) {
-		ir_dbg(ir, "get_key_flydvb_trio: "
-			   "ir->c->adapter->algo_data is NULL!\n");
+		ir_dbg(ir, "get_key_flydvb_trio: ir->c->adapter->algo_data is NULL!\n");
 		return -EIO;
 	}
 
@@ -150,8 +149,8 @@ static int get_key_flydvb_trio(struct IR_i2c *ir, enum rc_type *protocol,
 			msleep(10);
 			continue;
 		}
-		ir_dbg(ir, "send wake up byte to pic16C505 (IR chip)"
-			   "failed %dx\n", attempt);
+		ir_dbg(ir, "send wake up byte to pic16C505 (IR chip)failed %dx\n",
+		       attempt);
 		return -EIO;
 	}
 	if (1 != i2c_master_recv(ir->c, &b, 1)) {
@@ -174,8 +173,7 @@ static int get_key_msi_tvanywhere_plus(struct IR_i2c *ir, enum rc_type *protocol
 	/* <dev> is needed to access GPIO. Used by the saa_readl macro. */
 	struct saa7134_dev *dev = ir->c->adapter->algo_data;
 	if (dev == NULL) {
-		ir_dbg(ir, "get_key_msi_tvanywhere_plus: "
-			   "ir->c->adapter->algo_data is NULL!\n");
+		ir_dbg(ir, "get_key_msi_tvanywhere_plus: ir->c->adapter->algo_data is NULL!\n");
 		return -EIO;
 	}
 
@@ -223,8 +221,7 @@ static int get_key_kworld_pc150u(struct IR_i2c *ir, enum rc_type *protocol,
 	/* <dev> is needed to access GPIO. Used by the saa_readl macro. */
 	struct saa7134_dev *dev = ir->c->adapter->algo_data;
 	if (dev == NULL) {
-		ir_dbg(ir, "get_key_kworld_pc150u: "
-			   "ir->c->adapter->algo_data is NULL!\n");
+		ir_dbg(ir, "get_key_kworld_pc150u: ir->c->adapter->algo_data is NULL!\n");
 		return -EIO;
 	}
 
diff --git a/drivers/media/pci/saa7164/saa7164-buffer.c b/drivers/media/pci/saa7164/saa7164-buffer.c
index f30758e24f5d..62c34504199d 100644
--- a/drivers/media/pci/saa7164/saa7164-buffer.c
+++ b/drivers/media/pci/saa7164/saa7164-buffer.c
@@ -218,8 +218,7 @@ int saa7164_buffer_activate(struct saa7164_buffer *buf, int i)
 	saa7164_writel(port->bufptr32h + ((sizeof(u32) * 2) * i), buf->pt_dma);
 	saa7164_writel(port->bufptr32l + ((sizeof(u32) * 2) * i), 0);
 
-	dprintk(DBGLVL_BUF, "   buf[%d] offset 0x%llx (0x%x) "
-		"buf 0x%llx/%llx (0x%x/%x) nr=%d\n",
+	dprintk(DBGLVL_BUF, "	buf[%d] offset 0x%llx (0x%x) buf 0x%llx/%llx (0x%x/%x) nr=%d\n",
 		buf->idx,
 		(u64)port->bufoffset + (i * sizeof(u32)),
 		saa7164_readl(port->bufoffset + (sizeof(u32) * i)),
diff --git a/drivers/media/pci/saa7164/saa7164-bus.c b/drivers/media/pci/saa7164/saa7164-bus.c
index a18fe5d47238..e305c02f9dc9 100644
--- a/drivers/media/pci/saa7164/saa7164-bus.c
+++ b/drivers/media/pci/saa7164/saa7164-bus.c
@@ -427,8 +427,8 @@ int saa7164_bus_get(struct saa7164_dev *dev, struct tmComResInfo* msg,
 		write_distance = curr_gwp + bus->m_dwSizeGetRing - curr_grp;
 
 	if (bytes_to_read > write_distance) {
-		printk(KERN_ERR "%s() Invalid bus state, missing msg "
-			"or mangled ring, faulty H/W / bad code?\n", __func__);
+		printk(KERN_ERR "%s() Invalid bus state, missing msg or mangled ring, faulty H/W / bad code?\n",
+		       __func__);
 		ret = SAA_ERR_INVALID_COMMAND;
 		goto out;
 	}
diff --git a/drivers/media/pci/saa7164/saa7164-cards.c b/drivers/media/pci/saa7164/saa7164-cards.c
index c2b738227f58..15a98c638c55 100644
--- a/drivers/media/pci/saa7164/saa7164-cards.c
+++ b/drivers/media/pci/saa7164/saa7164-cards.c
@@ -726,8 +726,8 @@ void saa7164_card_list(struct saa7164_dev *dev)
 			dev->name, dev->name, dev->name, dev->name);
 	}
 
-	printk(KERN_ERR "%s: Here are valid choices for the card=<n> insmod "
-		"option:\n", dev->name);
+	printk(KERN_ERR "%s: Here are valid choices for the card=<n> insmod option:\n",
+	       dev->name);
 
 	for (i = 0; i < saa7164_bcount; i++)
 		printk(KERN_ERR "%s:    card=%d -> %s\n",
diff --git a/drivers/media/pci/saa7164/saa7164-cmd.c b/drivers/media/pci/saa7164/saa7164-cmd.c
index 3285c37b4583..45951b3cc251 100644
--- a/drivers/media/pci/saa7164/saa7164-cmd.c
+++ b/drivers/media/pci/saa7164/saa7164-cmd.c
@@ -301,8 +301,8 @@ static int saa7164_cmd_wait(struct saa7164_dev *dev, u8 seqno)
 			else
 				saa7164_cmd_timeout_seqno(dev, seqno);
 
-			dprintk(DBGLVL_CMD, "%s(seqno=%d) Waiting res = %d "
-				"(signalled=%d)\n", __func__, seqno, r,
+			dprintk(DBGLVL_CMD, "%s(seqno=%d) Waiting res = %d (signalled=%d)\n",
+				__func__, seqno, r,
 				dev->cmds[seqno].signalled);
 		} else
 			ret = SAA_OK;
@@ -353,8 +353,8 @@ int saa7164_cmd_send(struct saa7164_dev *dev, u8 id, enum tmComResCmd command,
 	int ret;
 	int safety = 0;
 
-	dprintk(DBGLVL_CMD, "%s(unitid = %s (%d) , command = 0x%x, "
-		"sel = 0x%x)\n", __func__, saa7164_unitid_name(dev, id), id,
+	dprintk(DBGLVL_CMD, "%s(unitid = %s (%d) , command = 0x%x, sel = 0x%x)\n",
+		__func__, saa7164_unitid_name(dev, id), id,
 		command, controlselector);
 
 	if ((size == 0) || (buf == NULL)) {
@@ -452,9 +452,7 @@ int saa7164_cmd_send(struct saa7164_dev *dev, u8 id, enum tmComResCmd command,
 		if (presponse_t->seqno != pcommand_t->seqno) {
 
 			dprintk(DBGLVL_CMD,
-				"wrong event: seqno = %d, "
-				"expected seqno = %d, "
-				"will dequeue regardless\n",
+				"wrong event: seqno = %d, expected seqno = %d, will dequeue regardless\n",
 				presponse_t->seqno, pcommand_t->seqno);
 
 			ret = saa7164_cmd_dequeue(dev);
diff --git a/drivers/media/pci/saa7164/saa7164-core.c b/drivers/media/pci/saa7164/saa7164-core.c
index 8bbd092fbe1d..03a1511a92be 100644
--- a/drivers/media/pci/saa7164/saa7164-core.c
+++ b/drivers/media/pci/saa7164/saa7164-core.c
@@ -710,9 +710,7 @@ static irqreturn_t saa7164_irq(int irq, void *dev_id)
 				} else {
 					/* Find the function */
 					dprintk(DBGLVL_IRQ,
-						"%s() unhandled interrupt "
-						"reg 0x%x bit 0x%x "
-						"intid = 0x%x\n",
+						"%s() unhandled interrupt reg 0x%x bit 0x%x intid = 0x%x\n",
 						__func__, i, bit, intid);
 				}
 			}
@@ -767,13 +765,11 @@ void saa7164_dumpregs(struct saa7164_dev *dev, u32 addr)
 {
 	int i;
 
-	dprintk(1, "--------------------> "
-		"00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f\n");
+	dprintk(1, "--------------------> 00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f\n");
 
 	for (i = 0; i < 0x100; i += 16)
-		dprintk(1, "region0[0x%08x] = "
-			"%02x %02x %02x %02x %02x %02x %02x %02x"
-			" %02x %02x %02x %02x %02x %02x %02x %02x\n", i,
+		dprintk(1, "region0[0x%08x] = %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x\n",
+			i,
 			(u8)saa7164_readb(addr + i + 0),
 			(u8)saa7164_readb(addr + i + 1),
 			(u8)saa7164_readb(addr + i + 2),
@@ -825,8 +821,7 @@ static void saa7164_dump_hwdesc(struct saa7164_dev *dev)
 
 static void saa7164_dump_intfdesc(struct saa7164_dev *dev)
 {
-	dprintk(1, "@0x%p intfdesc "
-		"sizeof(struct tmComResInterfaceDescr) = %d bytes\n",
+	dprintk(1, "@0x%p intfdesc sizeof(struct tmComResInterfaceDescr) = %d bytes\n",
 		&dev->intfdesc, (u32)sizeof(struct tmComResInterfaceDescr));
 
 	dprintk(1, " .bLength = 0x%x\n", dev->intfdesc.bLength);
@@ -1011,8 +1006,7 @@ static int saa7164_dev_setup(struct saa7164_dev *dev)
 	saa7164_port_init(dev, SAA7164_PORT_VBI2);
 
 	if (get_resources(dev) < 0) {
-		printk(KERN_ERR "CORE %s No more PCIe resources for "
-		       "subsystem: %04x:%04x\n",
+		printk(KERN_ERR "CORE %s No more PCIe resources for subsystem: %04x:%04x\n",
 		       dev->name, dev->pci->subsystem_vendor,
 		       dev->pci->subsystem_device);
 
@@ -1204,8 +1198,8 @@ static bool saa7164_enable_msi(struct pci_dev *pci_dev, struct saa7164_dev *dev)
 	err = pci_enable_msi(pci_dev);
 
 	if (err) {
-		printk(KERN_ERR "%s() Failed to enable MSI interrupt."
-			" Falling back to a shared IRQ\n", __func__);
+		printk(KERN_ERR "%s() Failed to enable MSI interrupt. Falling back to a shared IRQ\n",
+		       __func__);
 		return false;
 	}
 
@@ -1215,8 +1209,8 @@ static bool saa7164_enable_msi(struct pci_dev *pci_dev, struct saa7164_dev *dev)
 
 	if (err) {
 		/* fall back to legacy interrupt */
-		printk(KERN_ERR "%s() Failed to get an MSI interrupt."
-		       " Falling back to a shared IRQ\n", __func__);
+		printk(KERN_ERR "%s() Failed to get an MSI interrupt. Falling back to a shared IRQ\n",
+		       __func__);
 		pci_disable_msi(pci_dev);
 		return false;
 	}
@@ -1256,8 +1250,8 @@ static int saa7164_initdev(struct pci_dev *pci_dev,
 	/* print pci info */
 	dev->pci_rev = pci_dev->revision;
 	pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER,  &dev->pci_lat);
-	printk(KERN_INFO "%s/0: found at %s, rev: %d, irq: %d, "
-	       "latency: %d, mmio: 0x%llx\n", dev->name,
+	printk(KERN_INFO "%s/0: found at %s, rev: %d, irq: %d, latency: %d, mmio: 0x%llx\n",
+	       dev->name,
 	       pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
 	       dev->pci_lat,
 		(unsigned long long)pci_resource_start(pci_dev, 0));
@@ -1307,8 +1301,7 @@ static int saa7164_initdev(struct pci_dev *pci_dev,
 		err = saa7164_downloadfirmware(dev);
 		if (err < 0) {
 			printk(KERN_ERR
-				"Failed to boot firmware, no features "
-				"registered\n");
+				"Failed to boot firmware, no features registered\n");
 			goto fail_fw;
 		}
 
@@ -1327,8 +1320,7 @@ static int saa7164_initdev(struct pci_dev *pci_dev,
 		 */
 		version = 0;
 		if (saa7164_api_get_fw_version(dev, &version) == SAA_OK)
-			dprintk(1, "Bus is operating correctly using "
-				"version %d.%d.%d.%d (0x%x)\n",
+			dprintk(1, "Bus is operating correctly using version %d.%d.%d.%d (0x%x)\n",
 				(version & 0x0000fc00) >> 10,
 				(version & 0x000003e0) >> 5,
 				(version & 0x0000001f),
@@ -1356,45 +1348,43 @@ static int saa7164_initdev(struct pci_dev *pci_dev,
 		/* Begin to create the video sub-systems and register funcs */
 		if (saa7164_boards[dev->board].porta == SAA7164_MPEG_DVB) {
 			if (saa7164_dvb_register(&dev->ports[SAA7164_PORT_TS1]) < 0) {
-				printk(KERN_ERR "%s() Failed to register "
-					"dvb adapters on porta\n",
+				printk(KERN_ERR "%s() Failed to register dvb adapters on porta\n",
 					__func__);
 			}
 		}
 
 		if (saa7164_boards[dev->board].portb == SAA7164_MPEG_DVB) {
 			if (saa7164_dvb_register(&dev->ports[SAA7164_PORT_TS2]) < 0) {
-				printk(KERN_ERR"%s() Failed to register "
-					"dvb adapters on portb\n",
+				printk(KERN_ERR"%s() Failed to register dvb adapters on portb\n",
 					__func__);
 			}
 		}
 
 		if (saa7164_boards[dev->board].portc == SAA7164_MPEG_ENCODER) {
 			if (saa7164_encoder_register(&dev->ports[SAA7164_PORT_ENC1]) < 0) {
-				printk(KERN_ERR"%s() Failed to register "
-					"mpeg encoder\n", __func__);
+				printk(KERN_ERR"%s() Failed to register mpeg encoder\n",
+				       __func__);
 			}
 		}
 
 		if (saa7164_boards[dev->board].portd == SAA7164_MPEG_ENCODER) {
 			if (saa7164_encoder_register(&dev->ports[SAA7164_PORT_ENC2]) < 0) {
-				printk(KERN_ERR"%s() Failed to register "
-					"mpeg encoder\n", __func__);
+				printk(KERN_ERR"%s() Failed to register mpeg encoder\n",
+				       __func__);
 			}
 		}
 
 		if (saa7164_boards[dev->board].porte == SAA7164_MPEG_VBI) {
 			if (saa7164_vbi_register(&dev->ports[SAA7164_PORT_VBI1]) < 0) {
-				printk(KERN_ERR"%s() Failed to register "
-					"vbi device\n", __func__);
+				printk(KERN_ERR"%s() Failed to register vbi device\n",
+				       __func__);
 			}
 		}
 
 		if (saa7164_boards[dev->board].portf == SAA7164_MPEG_VBI) {
 			if (saa7164_vbi_register(&dev->ports[SAA7164_PORT_VBI2]) < 0) {
-				printk(KERN_ERR"%s() Failed to register "
-					"vbi device\n", __func__);
+				printk(KERN_ERR"%s() Failed to register vbi device\n",
+				       __func__);
 			}
 		}
 		saa7164_api_set_debug(dev, fw_debug);
@@ -1404,15 +1394,15 @@ static int saa7164_initdev(struct pci_dev *pci_dev,
 				"saa7164 debug");
 			if (IS_ERR(dev->kthread)) {
 				dev->kthread = NULL;
-				printk(KERN_ERR "%s() Failed to create "
-					"debug kernel thread\n", __func__);
+				printk(KERN_ERR "%s() Failed to create debug kernel thread\n",
+				       __func__);
 			}
 		}
 
 	} /* != BOARD_UNKNOWN */
 	else
-		printk(KERN_ERR "%s() Unsupported board detected, "
-			"registering without firmware\n", __func__);
+		printk(KERN_ERR "%s() Unsupported board detected, registering without firmware\n",
+		       __func__);
 
 	dprintk(1, "%s() parameter debug = %d\n", __func__, saa_debug);
 	dprintk(1, "%s() parameter waitsecs = %d\n", __func__, waitsecs);
diff --git a/drivers/media/pci/saa7164/saa7164-dvb.c b/drivers/media/pci/saa7164/saa7164-dvb.c
index e9a783b71b45..cd3eeda5250b 100644
--- a/drivers/media/pci/saa7164/saa7164-dvb.c
+++ b/drivers/media/pci/saa7164/saa7164-dvb.c
@@ -244,8 +244,8 @@ static int saa7164_dvb_start_port(struct saa7164_port *port)
 		/* Stop the hardware, regardless */
 		result = saa7164_api_transition_port(port, SAA_DMASTATE_STOP);
 		if ((result != SAA_OK) && (result != SAA_ERR_ALREADY_STOPPED)) {
-			printk(KERN_ERR "%s() acquire/forced stop transition "
-				"failed, res = 0x%x\n", __func__, result);
+			printk(KERN_ERR "%s() acquire/forced stop transition failed, res = 0x%x\n",
+			       __func__, result);
 		}
 		ret = -EIO;
 		goto out;
@@ -261,8 +261,8 @@ static int saa7164_dvb_start_port(struct saa7164_port *port)
 		/* Stop the hardware, regardless */
 		result = saa7164_api_transition_port(port, SAA_DMASTATE_STOP);
 		if ((result != SAA_OK) && (result != SAA_ERR_ALREADY_STOPPED)) {
-			printk(KERN_ERR "%s() pause/forced stop transition "
-				"failed, res = 0x%x\n", __func__, result);
+			printk(KERN_ERR "%s() pause/forced stop transition failed, res = 0x%x\n",
+			       __func__, result);
 		}
 
 		ret = -EIO;
@@ -279,8 +279,8 @@ static int saa7164_dvb_start_port(struct saa7164_port *port)
 		/* Stop the hardware, regardless */
 		result = saa7164_api_transition_port(port, SAA_DMASTATE_STOP);
 		if ((result != SAA_OK) && (result != SAA_ERR_ALREADY_STOPPED)) {
-			printk(KERN_ERR "%s() run/forced stop transition "
-				"failed, res = 0x%x\n", __func__, result);
+			printk(KERN_ERR "%s() run/forced stop transition failed, res = 0x%x\n",
+			       __func__, result);
 		}
 
 		ret = -EIO;
@@ -357,8 +357,7 @@ static int dvb_register(struct saa7164_port *port)
 	/* Sanity check that the PCI configuration space is active */
 	if (port->hwcfg.BARLocation == 0) {
 		result = -ENOMEM;
-		printk(KERN_ERR "%s: dvb_register_adapter failed "
-		       "(errno = %d), NO PCI configuration\n",
+		printk(KERN_ERR "%s: dvb_register_adapter failed (errno = %d), NO PCI configuration\n",
 			DRIVER_NAME, result);
 		goto fail_adapter;
 	}
@@ -386,8 +385,7 @@ static int dvb_register(struct saa7164_port *port)
 
 		if (!buf) {
 			result = -ENOMEM;
-			printk(KERN_ERR "%s: dvb_register_adapter failed "
-			       "(errno = %d), unable to allocate buffers\n",
+			printk(KERN_ERR "%s: dvb_register_adapter failed (errno = %d), unable to allocate buffers\n",
 				DRIVER_NAME, result);
 			goto fail_adapter;
 		}
@@ -401,8 +399,8 @@ static int dvb_register(struct saa7164_port *port)
 	result = dvb_register_adapter(&dvb->adapter, DRIVER_NAME, THIS_MODULE,
 			&dev->pci->dev, adapter_nr);
 	if (result < 0) {
-		printk(KERN_ERR "%s: dvb_register_adapter failed "
-		       "(errno = %d)\n", DRIVER_NAME, result);
+		printk(KERN_ERR "%s: dvb_register_adapter failed (errno = %d)\n",
+		       DRIVER_NAME, result);
 		goto fail_adapter;
 	}
 	dvb->adapter.priv = port;
@@ -410,8 +408,8 @@ static int dvb_register(struct saa7164_port *port)
 	/* register frontend */
 	result = dvb_register_frontend(&dvb->adapter, dvb->frontend);
 	if (result < 0) {
-		printk(KERN_ERR "%s: dvb_register_frontend failed "
-		       "(errno = %d)\n", DRIVER_NAME, result);
+		printk(KERN_ERR "%s: dvb_register_frontend failed (errno = %d)\n",
+		       DRIVER_NAME, result);
 		goto fail_frontend;
 	}
 
@@ -444,16 +442,16 @@ static int dvb_register(struct saa7164_port *port)
 	dvb->fe_hw.source = DMX_FRONTEND_0;
 	result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_hw);
 	if (result < 0) {
-		printk(KERN_ERR "%s: add_frontend failed "
-		       "(DMX_FRONTEND_0, errno = %d)\n", DRIVER_NAME, result);
+		printk(KERN_ERR "%s: add_frontend failed (DMX_FRONTEND_0, errno = %d)\n",
+		       DRIVER_NAME, result);
 		goto fail_fe_hw;
 	}
 
 	dvb->fe_mem.source = DMX_MEMORY_FE;
 	result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_mem);
 	if (result < 0) {
-		printk(KERN_ERR "%s: add_frontend failed "
-		       "(DMX_MEMORY_FE, errno = %d)\n", DRIVER_NAME, result);
+		printk(KERN_ERR "%s: add_frontend failed (DMX_MEMORY_FE, errno = %d)\n",
+		       DRIVER_NAME, result);
 		goto fail_fe_mem;
 	}
 
diff --git a/drivers/media/pci/saa7164/saa7164-encoder.c b/drivers/media/pci/saa7164/saa7164-encoder.c
index 32a353d162e7..68124ce7ebc3 100644
--- a/drivers/media/pci/saa7164/saa7164-encoder.c
+++ b/drivers/media/pci/saa7164/saa7164-encoder.c
@@ -157,8 +157,7 @@ static int saa7164_encoder_buffers_alloc(struct saa7164_port *port)
 			params->pitch);
 
 		if (!buf) {
-			printk(KERN_ERR "%s() failed "
-			       "(errno = %d), unable to allocate buffer\n",
+			printk(KERN_ERR "%s() failed (errno = %d), unable to allocate buffer\n",
 				__func__, result);
 			result = -ENOMEM;
 			goto failed;
@@ -681,8 +680,8 @@ static int saa7164_encoder_start_streaming(struct saa7164_port *port)
 		/* Stop the hardware, regardless */
 		result = saa7164_api_transition_port(port, SAA_DMASTATE_STOP);
 		if ((result != SAA_OK) && (result != SAA_ERR_ALREADY_STOPPED)) {
-			printk(KERN_ERR "%s() acquire/forced stop transition "
-				"failed, res = 0x%x\n", __func__, result);
+			printk(KERN_ERR "%s() acquire/forced stop transition failed, res = 0x%x\n",
+			       __func__, result);
 		}
 		ret = -EIO;
 		goto out;
@@ -698,8 +697,8 @@ static int saa7164_encoder_start_streaming(struct saa7164_port *port)
 		/* Stop the hardware, regardless */
 		result = saa7164_api_transition_port(port, SAA_DMASTATE_STOP);
 		if ((result != SAA_OK) && (result != SAA_ERR_ALREADY_STOPPED)) {
-			printk(KERN_ERR "%s() pause/forced stop transition "
-				"failed, res = 0x%x\n", __func__, result);
+			printk(KERN_ERR "%s() pause/forced stop transition failed, res = 0x%x\n",
+			       __func__, result);
 		}
 
 		ret = -EIO;
@@ -716,8 +715,8 @@ static int saa7164_encoder_start_streaming(struct saa7164_port *port)
 		/* Stop the hardware, regardless */
 		result = saa7164_api_transition_port(port, SAA_DMASTATE_STOP);
 		if ((result != SAA_OK) && (result != SAA_ERR_ALREADY_STOPPED)) {
-			printk(KERN_ERR "%s() run/forced stop transition "
-				"failed, res = 0x%x\n", __func__, result);
+			printk(KERN_ERR "%s() run/forced stop transition failed, res = 0x%x\n",
+			       __func__, result);
 		}
 
 		ret = -EIO;
@@ -1026,8 +1025,7 @@ int saa7164_encoder_register(struct saa7164_port *port)
 
 	/* Sanity check that the PCI configuration space is active */
 	if (port->hwcfg.BARLocation == 0) {
-		printk(KERN_ERR "%s() failed "
-		       "(errno = %d), NO PCI configuration\n",
+		printk(KERN_ERR "%s() failed (errno = %d), NO PCI configuration\n",
 			__func__, result);
 		result = -ENOMEM;
 		goto failed;
diff --git a/drivers/media/pci/saa7164/saa7164-fw.c b/drivers/media/pci/saa7164/saa7164-fw.c
index 269e0782c7b6..8568adfd7ece 100644
--- a/drivers/media/pci/saa7164/saa7164-fw.c
+++ b/drivers/media/pci/saa7164/saa7164-fw.c
@@ -421,8 +421,8 @@ int saa7164_downloadfirmware(struct saa7164_dev *dev)
 
 		ret = request_firmware(&fw, fwname, &dev->pci->dev);
 		if (ret) {
-			printk(KERN_ERR "%s() Upload failed. "
-				"(file not found?)\n", __func__);
+			printk(KERN_ERR "%s() Upload failed. (file not found?)\n",
+			       __func__);
 			return -ENOMEM;
 		}
 
@@ -478,15 +478,13 @@ int saa7164_downloadfirmware(struct saa7164_dev *dev)
 				0x03) && (saa7164_readl(SAA_DATAREADY_FLAG_ACK)
 				== 0x00) && (version == 0x00)) {
 
-				dprintk(DBGLVL_FW, "BootLoader version in  "
-					"rom %d.%d.%d.%d\n",
+				dprintk(DBGLVL_FW, "BootLoader version in  rom %d.%d.%d.%d\n",
 					(bootloaderversion & 0x0000fc00) >> 10,
 					(bootloaderversion & 0x000003e0) >> 5,
 					(bootloaderversion & 0x0000001f),
 					(bootloaderversion & 0xffff0000) >> 16
 					);
-				dprintk(DBGLVL_FW, "BootLoader version "
-					"in file %d.%d.%d.%d\n",
+				dprintk(DBGLVL_FW, "BootLoader version in file %d.%d.%d.%d\n",
 					(boothdr->version & 0x0000fc00) >> 10,
 					(boothdr->version & 0x000003e0) >> 5,
 					(boothdr->version & 0x0000001f),
diff --git a/drivers/media/pci/saa7164/saa7164-vbi.c b/drivers/media/pci/saa7164/saa7164-vbi.c
index ee54491459a6..e5dcb81029d3 100644
--- a/drivers/media/pci/saa7164/saa7164-vbi.c
+++ b/drivers/media/pci/saa7164/saa7164-vbi.c
@@ -110,8 +110,7 @@ static int saa7164_vbi_buffers_alloc(struct saa7164_port *port)
 			params->pitch);
 
 		if (!buf) {
-			printk(KERN_ERR "%s() failed "
-			       "(errno = %d), unable to allocate buffer\n",
+			printk(KERN_ERR "%s() failed (errno = %d), unable to allocate buffer\n",
 				__func__, result);
 			result = -ENOMEM;
 			goto failed;
@@ -384,8 +383,8 @@ static int saa7164_vbi_start_streaming(struct saa7164_port *port)
 		/* Stop the hardware, regardless */
 		result = saa7164_vbi_stop_port(port);
 		if (result != SAA_OK) {
-			printk(KERN_ERR "%s() pause/forced stop transition "
-				"failed, res = 0x%x\n", __func__, result);
+			printk(KERN_ERR "%s() pause/forced stop transition failed, res = 0x%x\n",
+			       __func__, result);
 		}
 
 		ret = -EIO;
@@ -403,8 +402,8 @@ static int saa7164_vbi_start_streaming(struct saa7164_port *port)
 		result = saa7164_vbi_acquire_port(port);
 		result = saa7164_vbi_stop_port(port);
 		if (result != SAA_OK) {
-			printk(KERN_ERR "%s() run/forced stop transition "
-				"failed, res = 0x%x\n", __func__, result);
+			printk(KERN_ERR "%s() run/forced stop transition failed, res = 0x%x\n",
+			       __func__, result);
 		}
 
 		ret = -EIO;
@@ -728,8 +727,7 @@ int saa7164_vbi_register(struct saa7164_port *port)
 
 	/* Sanity check that the PCI configuration space is active */
 	if (port->hwcfg.BARLocation == 0) {
-		printk(KERN_ERR "%s() failed "
-		       "(errno = %d), NO PCI configuration\n",
+		printk(KERN_ERR "%s() failed (errno = %d), NO PCI configuration\n",
 			__func__, result);
 		result = -ENOMEM;
 		goto failed;
diff --git a/drivers/media/pci/solo6x10/solo6x10-v4l2.c b/drivers/media/pci/solo6x10/solo6x10-v4l2.c
index b4be47969b6b..896bec6627aa 100644
--- a/drivers/media/pci/solo6x10/solo6x10-v4l2.c
+++ b/drivers/media/pci/solo6x10/solo6x10-v4l2.c
@@ -702,8 +702,8 @@ int solo_v4l2_init(struct solo_dev *solo_dev, unsigned nr)
 	snprintf(solo_dev->vfd->name, sizeof(solo_dev->vfd->name), "%s (%i)",
 		 SOLO6X10_NAME, solo_dev->vfd->num);
 
-	dev_info(&solo_dev->pdev->dev, "Display as /dev/video%d with "
-		 "%d inputs (%d extended)\n", solo_dev->vfd->num,
+	dev_info(&solo_dev->pdev->dev, "Display as /dev/video%d with %d inputs (%d extended)\n",
+		 solo_dev->vfd->num,
 		 solo_dev->nr_chans, solo_dev->nr_ext);
 
 	return 0;
diff --git a/drivers/media/pci/solo6x10/solo6x10.h b/drivers/media/pci/solo6x10/solo6x10.h
index 5bd498735a66..3f8da5e8c430 100644
--- a/drivers/media/pci/solo6x10/solo6x10.h
+++ b/drivers/media/pci/solo6x10/solo6x10.h
@@ -284,7 +284,10 @@ static inline u32 solo_reg_read(struct solo_dev *solo_dev, int reg)
 static inline void solo_reg_write(struct solo_dev *solo_dev, int reg,
 				  u32 data)
 {
+	u16 val;
+
 	writel(data, solo_dev->reg_base + reg);
+	pci_read_config_word(solo_dev->pdev, PCI_STATUS, &val);
 }
 
 static inline void solo_irq_on(struct solo_dev *dev, u32 mask)
diff --git a/drivers/media/pci/ttpci/Makefile b/drivers/media/pci/ttpci/Makefile
index 49f71b1eaf14..3cf617737f7c 100644
--- a/drivers/media/pci/ttpci/Makefile
+++ b/drivers/media/pci/ttpci/Makefile
@@ -3,7 +3,7 @@
 # and the AV7110 DVB device driver
 #
 
-dvb-ttpci-objs := av7110_hw.o av7110_v4l.o av7110_av.o av7110_ca.o av7110.o av7110_ipack.o
+dvb-ttpci-objs := av7110_hw.o av7110_v4l.o av7110_av.o av7110_ca.o av7110.o av7110_ipack.o dvb_filter.o
 
 ifdef CONFIG_DVB_AV7110_IR
 dvb-ttpci-objs += av7110_ir.o
diff --git a/drivers/media/pci/ttpci/av7110.c b/drivers/media/pci/ttpci/av7110.c
index 382caf200ba1..6e63949d6ad0 100644
--- a/drivers/media/pci/ttpci/av7110.c
+++ b/drivers/media/pci/ttpci/av7110.c
@@ -100,8 +100,7 @@ MODULE_PARM_DESC(adac,"audio DAC type: 0 TI, 1 CRYSTAL, 2 MSP (use if autodetect
 module_param(hw_sections, int, 0444);
 MODULE_PARM_DESC(hw_sections, "0 use software section filter, 1 use hardware");
 module_param(rgb_on, int, 0444);
-MODULE_PARM_DESC(rgb_on, "For Siemens DVB-C cards only: Enable RGB control"
-		" signal on SCART pin 16 to switch SCART video mode from CVBS to RGB");
+MODULE_PARM_DESC(rgb_on, "For Siemens DVB-C cards only: Enable RGB control signal on SCART pin 16 to switch SCART video mode from CVBS to RGB");
 module_param(volume, int, 0444);
 MODULE_PARM_DESC(volume, "initial volume: default 255 (range 0-255)");
 module_param(budgetpatch, int, 0444);
@@ -444,21 +443,6 @@ static void debiirq(unsigned long cookie)
 
 	case DATA_COMMON_INTERFACE:
 		CI_handle(av7110, (u8 *)av7110->debi_virt, av7110->debilen);
-#if 0
-	{
-		int i;
-
-		printk("av7110%d: ", av7110->num);
-		printk("%02x ", *(u8 *)av7110->debi_virt);
-		printk("%02x ", *(1+(u8 *)av7110->debi_virt));
-		for (i = 2; i < av7110->debilen; i++)
-			printk("%02x ", (*(i+(unsigned char *)av7110->debi_virt)));
-		for (i = 2; i < av7110->debilen; i++)
-			printk("%c", chtrans(*(i+(unsigned char *)av7110->debi_virt)));
-
-		printk("\n");
-	}
-#endif
 		xfer = RX_BUFF;
 		break;
 
@@ -833,8 +817,7 @@ static int StartHWFilter(struct dvb_demux_filter *dvbdmxfilter)
 
 	ret = av7110_fw_request(av7110, buf, 20, &handle, 1);
 	if (ret != 0 || handle >= 32) {
-		printk("dvb-ttpci: %s error  buf %04x %04x %04x %04x  "
-				"ret %d  handle %04x\n",
+		printk(KERN_ERR "dvb-ttpci: %s error  buf %04x %04x %04x %04x  ret %d  handle %04x\n",
 				__func__, buf[0], buf[1], buf[2], buf[3],
 				ret, handle);
 		dvbdmxfilter->hw_handle = 0xffff;
@@ -876,8 +859,7 @@ static int StopHWFilter(struct dvb_demux_filter *dvbdmxfilter)
 	buf[2] = handle;
 	ret = av7110_fw_request(av7110, buf, 3, answ, 2);
 	if (ret != 0 || answ[1] != handle) {
-		printk("dvb-ttpci: %s error  cmd %04x %04x %04x  ret %x  "
-				"resp %04x %04x  pid %d\n",
+		printk(KERN_ERR "dvb-ttpci: %s error  cmd %04x %04x %04x  ret %x  resp %04x %04x  pid %d\n",
 				__func__, buf[0], buf[1], buf[2], ret,
 				answ[0], answ[1], dvbdmxfilter->feed->pid);
 		if (!ret)
@@ -1532,15 +1514,12 @@ static int get_firmware(struct av7110* av7110)
 	ret = request_firmware(&fw, "dvb-ttpci-01.fw", &av7110->dev->pci->dev);
 	if (ret) {
 		if (ret == -ENOENT) {
-			printk(KERN_ERR "dvb-ttpci: could not load firmware,"
-			       " file not found: dvb-ttpci-01.fw\n");
-			printk(KERN_ERR "dvb-ttpci: usually this should be in "
-			       "/usr/lib/hotplug/firmware or /lib/firmware\n");
-			printk(KERN_ERR "dvb-ttpci: and can be downloaded from"
-			       " https://linuxtv.org/download/dvb/firmware/\n");
+			printk(KERN_ERR "dvb-ttpci: could not load firmware, file not found: dvb-ttpci-01.fw\n");
+			printk(KERN_ERR "dvb-ttpci: usually this should be in /usr/lib/hotplug/firmware or /lib/firmware\n");
+			printk(KERN_ERR "dvb-ttpci: and can be downloaded from https://linuxtv.org/download/dvb/firmware/\n");
 		} else
-			printk(KERN_ERR "dvb-ttpci: cannot request firmware"
-			       " (error %i)\n", ret);
+			printk(KERN_ERR "dvb-ttpci: cannot request firmware (error %i)\n",
+			       ret);
 		return -EINVAL;
 	}
 
@@ -2700,8 +2679,9 @@ static int av7110_attach(struct saa7146_dev* dev,
 		goto err_stop_arm_9;
 
 	if (FW_VERSION(av7110->arm_app)<0x2501)
-		printk ("dvb-ttpci: Warning, firmware version 0x%04x is too old. "
-			"System might be unstable!\n", FW_VERSION(av7110->arm_app));
+		printk(KERN_WARNING
+		       "dvb-ttpci: Warning, firmware version 0x%04x is too old. System might be unstable!\n",
+		       FW_VERSION(av7110->arm_app));
 
 	thread = kthread_run(arm_thread, (void *) av7110, "arm_mon");
 	if (IS_ERR(thread)) {
@@ -2930,9 +2910,7 @@ static struct saa7146_extension av7110_extension_driver = {
 
 static int __init av7110_init(void)
 {
-	int retval;
-	retval = saa7146_register_extension(&av7110_extension_driver);
-	return retval;
+	return saa7146_register_extension(&av7110_extension_driver);
 }
 
 
@@ -2944,7 +2922,6 @@ static void __exit av7110_exit(void)
 module_init(av7110_init);
 module_exit(av7110_exit);
 
-MODULE_DESCRIPTION("driver for the SAA7146 based AV110 PCI DVB cards by "
-		   "Siemens, Technotrend, Hauppauge");
+MODULE_DESCRIPTION("driver for the SAA7146 based AV110 PCI DVB cards by Siemens, Technotrend, Hauppauge");
 MODULE_AUTHOR("Ralph Metzler, Marcus Metzler, others");
 MODULE_LICENSE("GPL");
diff --git a/drivers/media/pci/ttpci/av7110.h b/drivers/media/pci/ttpci/av7110.h
index 3707ccd02732..824c1e262fbb 100644
--- a/drivers/media/pci/ttpci/av7110.h
+++ b/drivers/media/pci/ttpci/av7110.h
@@ -40,8 +40,11 @@
 
 extern int av7110_debug;
 
-#define dprintk(level,args...) \
-	    do { if ((av7110_debug & level)) { printk("dvb-ttpci: %s(): ", __func__); printk(args); } } while (0)
+#define dprintk(level, fmt, arg...) do {				\
+	if (level & av7110_debug)					\
+		printk(KERN_DEBUG KBUILD_MODNAME ": %s(): " fmt,	\
+		       __func__, ##arg);				\
+} while (0)
 
 #define MAXFILT 32
 
diff --git a/drivers/media/pci/ttpci/av7110_hw.c b/drivers/media/pci/ttpci/av7110_hw.c
index 0583d56ef5ef..520414cbe087 100644
--- a/drivers/media/pci/ttpci/av7110_hw.c
+++ b/drivers/media/pci/ttpci/av7110_hw.c
@@ -235,8 +235,7 @@ int av7110_bootarm(struct av7110 *av7110)
 	iwdebi(av7110, DEBISWAP, DPRAM_BASE, 0x76543210, 4);
 
 	if ((ret=irdebi(av7110, DEBINOSWAP, DPRAM_BASE, 0, 4)) != 0x10325476) {
-		printk(KERN_ERR "dvb-ttpci: debi test in av7110_bootarm() failed: "
-		       "%08x != %08x (check your BIOS 'Plug&Play OS' settings)\n",
+		printk(KERN_ERR "dvb-ttpci: debi test in av7110_bootarm() failed: %08x != %08x (check your BIOS 'Plug&Play OS' settings)\n",
 		       ret, 0x10325476);
 		return -1;
 	}
@@ -262,8 +261,7 @@ int av7110_bootarm(struct av7110 *av7110)
 	iwdebi(av7110, DEBINOSWAP, AV7110_BOOT_STATE, BOOTSTATE_BUFFER_FULL, 2);
 
 	if (saa7146_wait_for_debi_done(av7110->dev, 1)) {
-		printk(KERN_ERR "dvb-ttpci: av7110_bootarm(): "
-		       "saa7146_wait_for_debi_done() timed out\n");
+		printk(KERN_ERR "dvb-ttpci: av7110_bootarm(): saa7146_wait_for_debi_done() timed out\n");
 		return -ETIMEDOUT;
 	}
 	saa7146_setgpio(dev, RESET_LINE, SAA7146_GPIO_OUTHI);
@@ -271,8 +269,7 @@ int av7110_bootarm(struct av7110 *av7110)
 
 	dprintk(1, "load dram code\n");
 	if (load_dram(av7110, (u32 *)av7110->bin_root, av7110->size_root) < 0) {
-		printk(KERN_ERR "dvb-ttpci: av7110_bootarm(): "
-		       "load_dram() failed\n");
+		printk(KERN_ERR "dvb-ttpci: av7110_bootarm(): load_dram() failed\n");
 		return -1;
 	}
 
@@ -283,8 +280,7 @@ int av7110_bootarm(struct av7110 *av7110)
 	mwdebi(av7110, DEBISWAB, DPRAM_BASE, av7110->bin_dpram, av7110->size_dpram);
 
 	if (saa7146_wait_for_debi_done(av7110->dev, 1)) {
-		printk(KERN_ERR "dvb-ttpci: av7110_bootarm(): "
-		       "saa7146_wait_for_debi_done() timed out after loading DRAM\n");
+		printk(KERN_ERR "dvb-ttpci: av7110_bootarm(): saa7146_wait_for_debi_done() timed out after loading DRAM\n");
 		return -ETIMEDOUT;
 	}
 	saa7146_setgpio(dev, RESET_LINE, SAA7146_GPIO_OUTHI);
diff --git a/drivers/media/pci/ttpci/budget-av.c b/drivers/media/pci/ttpci/budget-av.c
index 6f0d0161970e..896c66d4b3ae 100644
--- a/drivers/media/pci/ttpci/budget-av.c
+++ b/drivers/media/pci/ttpci/budget-av.c
@@ -1636,5 +1636,4 @@ module_exit(budget_av_exit);
 
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Ralph Metzler, Marcus Metzler, Michael Hunold, others");
-MODULE_DESCRIPTION("driver for the SAA7146 based so-called "
-		   "budget PCI DVB w/ analog input and CI-module (e.g. the KNC cards)");
+MODULE_DESCRIPTION("driver for the SAA7146 based so-called budget PCI DVB w/ analog input and CI-module (e.g. the KNC cards)");
diff --git a/drivers/media/pci/ttpci/budget-ci.c b/drivers/media/pci/ttpci/budget-ci.c
index 7b27af4d9658..20ad93bf0f54 100644
--- a/drivers/media/pci/ttpci/budget-ci.c
+++ b/drivers/media/pci/ttpci/budget-ci.c
@@ -1586,6 +1586,4 @@ module_exit(budget_ci_exit);
 
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Michael Hunold, Jack Thomasson, Andrew de Quincey, others");
-MODULE_DESCRIPTION("driver for the SAA7146 based so-called "
-		   "budget PCI DVB cards w/ CI-module produced by "
-		   "Siemens, Technotrend, Hauppauge");
+MODULE_DESCRIPTION("driver for the SAA7146 based so-called budget PCI DVB cards w/ CI-module produced by Siemens, Technotrend, Hauppauge");
diff --git a/drivers/media/pci/ttpci/budget-patch.c b/drivers/media/pci/ttpci/budget-patch.c
index 591dbdfa2a13..f152eda0123a 100644
--- a/drivers/media/pci/ttpci/budget-patch.c
+++ b/drivers/media/pci/ttpci/budget-patch.c
@@ -679,5 +679,4 @@ module_exit(budget_patch_exit);
 
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Emard, Roberto Deza, Holger Waechtler, Michael Hunold, others");
-MODULE_DESCRIPTION("Driver for full TS modified DVB-S SAA7146+AV7110 "
-		   "based so-called Budget Patch cards");
+MODULE_DESCRIPTION("Driver for full TS modified DVB-S SAA7146+AV7110 based so-called Budget Patch cards");
diff --git a/drivers/media/pci/ttpci/budget.c b/drivers/media/pci/ttpci/budget.c
index fb8ede5a1531..3091b480ce22 100644
--- a/drivers/media/pci/ttpci/budget.c
+++ b/drivers/media/pci/ttpci/budget.c
@@ -897,5 +897,4 @@ module_exit(budget_exit);
 
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Ralph Metzler, Marcus Metzler, Michael Hunold, others");
-MODULE_DESCRIPTION("driver for the SAA7146 based so-called "
-		   "budget PCI DVB cards by Siemens, Technotrend, Hauppauge");
+MODULE_DESCRIPTION("driver for the SAA7146 based so-called budget PCI DVB cards by Siemens, Technotrend, Hauppauge");
diff --git a/drivers/media/pci/ttpci/budget.h b/drivers/media/pci/ttpci/budget.h
index 655eef5236ca..d5ae4438153e 100644
--- a/drivers/media/pci/ttpci/budget.h
+++ b/drivers/media/pci/ttpci/budget.h
@@ -21,8 +21,12 @@ extern int budget_debug;
 #undef dprintk
 #endif
 
-#define dprintk(level,args...) \
-	    do { if ((budget_debug & level)) { printk("%s: %s(): ", KBUILD_MODNAME, __func__); printk(args); } } while (0)
+#define dprintk(level, fmt, arg...) do {				\
+	if (level & budget_debug)					\
+		printk(KERN_DEBUG KBUILD_MODNAME ": %s(): " fmt,	\
+		       __func__, ##arg);				\
+} while (0)
+
 
 struct budget_info {
 	char *name;
diff --git a/drivers/media/pci/ttpci/dvb_filter.c b/drivers/media/pci/ttpci/dvb_filter.c
new file mode 100644
index 000000000000..b67127b67d4e
--- /dev/null
+++ b/drivers/media/pci/ttpci/dvb_filter.c
@@ -0,0 +1,114 @@
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/string.h>
+#include "dvb_filter.h"
+
+static u32 freq[4] = {480, 441, 320, 0};
+
+static unsigned int ac3_bitrates[32] =
+    {32,40,48,56,64,80,96,112,128,160,192,224,256,320,384,448,512,576,640,
+     0,0,0,0,0,0,0,0,0,0,0,0,0};
+
+static u32 ac3_frames[3][32] =
+    {{64,80,96,112,128,160,192,224,256,320,384,448,512,640,768,896,1024,
+      1152,1280,0,0,0,0,0,0,0,0,0,0,0,0,0},
+     {69,87,104,121,139,174,208,243,278,348,417,487,557,696,835,975,1114,
+      1253,1393,0,0,0,0,0,0,0,0,0,0,0,0,0},
+     {96,120,144,168,192,240,288,336,384,480,576,672,768,960,1152,1344,
+      1536,1728,1920,0,0,0,0,0,0,0,0,0,0,0,0,0}};
+
+int dvb_filter_get_ac3info(u8 *mbuf, int count, struct dvb_audio_info *ai, int pr)
+{
+	u8 *headr;
+	int found = 0;
+	int c = 0;
+	u8 frame = 0;
+	int fr = 0;
+
+	while ( !found  && c < count){
+		u8 *b = mbuf+c;
+
+		if ( b[0] == 0x0b &&  b[1] == 0x77 )
+			found = 1;
+		else {
+			c++;
+		}
+	}
+
+	if (!found) return -1;
+	if (pr)
+		printk(KERN_DEBUG "Audiostream: AC3");
+
+	ai->off = c;
+	if (c+5 >= count) return -1;
+
+	ai->layer = 0;  // 0 for AC3
+	headr = mbuf+c+2;
+
+	frame = (headr[2]&0x3f);
+	ai->bit_rate = ac3_bitrates[frame >> 1]*1000;
+
+	if (pr)
+		printk(KERN_CONT "  BRate: %d kb/s", (int) ai->bit_rate/1000);
+
+	ai->frequency = (headr[2] & 0xc0 ) >> 6;
+	fr = (headr[2] & 0xc0 ) >> 6;
+	ai->frequency = freq[fr]*100;
+	if (pr)
+		printk(KERN_CONT "  Freq: %d Hz\n", (int) ai->frequency);
+
+	ai->framesize = ac3_frames[fr][frame >> 1];
+	if ((frame & 1) &&  (fr == 1)) ai->framesize++;
+	ai->framesize = ai->framesize << 1;
+	if (pr)
+		printk(KERN_DEBUG "  Framesize %d\n", (int) ai->framesize);
+
+	return 0;
+}
+
+void dvb_filter_pes2ts_init(struct dvb_filter_pes2ts *p2ts, unsigned short pid,
+			    dvb_filter_pes2ts_cb_t *cb, void *priv)
+{
+	unsigned char *buf=p2ts->buf;
+
+	buf[0]=0x47;
+	buf[1]=(pid>>8);
+	buf[2]=pid&0xff;
+	p2ts->cc=0;
+	p2ts->cb=cb;
+	p2ts->priv=priv;
+}
+
+int dvb_filter_pes2ts(struct dvb_filter_pes2ts *p2ts, unsigned char *pes,
+		      int len, int payload_start)
+{
+	unsigned char *buf=p2ts->buf;
+	int ret=0, rest;
+
+	//len=6+((pes[4]<<8)|pes[5]);
+
+	if (payload_start)
+		buf[1]|=0x40;
+	else
+		buf[1]&=~0x40;
+	while (len>=184) {
+		buf[3]=0x10|((p2ts->cc++)&0x0f);
+		memcpy(buf+4, pes, 184);
+		if ((ret=p2ts->cb(p2ts->priv, buf)))
+			return ret;
+		len-=184; pes+=184;
+		buf[1]&=~0x40;
+	}
+	if (!len)
+		return 0;
+	buf[3]=0x30|((p2ts->cc++)&0x0f);
+	rest=183-len;
+	if (rest) {
+		buf[5]=0x00;
+		if (rest-1)
+			memset(buf+6, 0xff, rest-1);
+	}
+	buf[4]=rest;
+	memcpy(buf+5+rest, pes, len);
+	return p2ts->cb(p2ts->priv, buf);
+}
diff --git a/drivers/media/dvb-core/dvb_filter.h b/drivers/media/pci/ttpci/dvb_filter.h
index 375e3be184b1..375e3be184b1 100644
--- a/drivers/media/dvb-core/dvb_filter.h
+++ b/drivers/media/pci/ttpci/dvb_filter.h
diff --git a/drivers/media/pci/ttpci/ttpci-eeprom.c b/drivers/media/pci/ttpci/ttpci-eeprom.c
index 079ee098b7e3..9534f29c1ffd 100644
--- a/drivers/media/pci/ttpci/ttpci-eeprom.c
+++ b/drivers/media/pci/ttpci/ttpci-eeprom.c
@@ -171,5 +171,4 @@ EXPORT_SYMBOL(ttpci_eeprom_parse_mac);
 
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Ralph Metzler, Marcus Metzler, others");
-MODULE_DESCRIPTION("Decode dvb_net MAC address from EEPROM of PCI DVB cards "
-		"made by Siemens, Technotrend, Hauppauge");
+MODULE_DESCRIPTION("Decode dvb_net MAC address from EEPROM of PCI DVB cards made by Siemens, Technotrend, Hauppauge");
diff --git a/drivers/media/pci/tw5864/tw5864-reg.h b/drivers/media/pci/tw5864/tw5864-reg.h
index 92a1b077ef8a..30ac14210e91 100644
--- a/drivers/media/pci/tw5864/tw5864-reg.h
+++ b/drivers/media/pci/tw5864/tw5864-reg.h
@@ -1879,6 +1879,14 @@
 #define TW5864_INDIR_IN_PIC_HEIGHT(channel) (0x201 + 4 * channel)
 #define TW5864_INDIR_OUT_PIC_WIDTH(channel) (0x202 + 4 * channel)
 #define TW5864_INDIR_OUT_PIC_HEIGHT(channel) (0x203 + 4 * channel)
+
+/* Some registers skipped */
+
+#define TW5864_INDIR_CROP_ETC 0x260
+/* Define controls in register TW5864_INDIR_CROP_ETC */
+/* Enable cropping from 720 to 704 */
+#define TW5864_INDIR_CROP_ETC_CROP_EN 0x4
+
 /*
  * Interrupt status register from the front-end. Write "1" to each bit to clear
  * the interrupt
diff --git a/drivers/media/pci/tw5864/tw5864-video.c b/drivers/media/pci/tw5864/tw5864-video.c
index 652a059b2e0a..9421216bb942 100644
--- a/drivers/media/pci/tw5864/tw5864-video.c
+++ b/drivers/media/pci/tw5864/tw5864-video.c
@@ -330,6 +330,15 @@ static int tw5864_enable_input(struct tw5864_input *input)
 	tw_indir_writeb(TW5864_INDIR_OUT_PIC_WIDTH(nr), input->width / 4);
 	tw_indir_writeb(TW5864_INDIR_OUT_PIC_HEIGHT(nr), input->height / 4);
 
+	/*
+	 * Crop width from 720 to 704.
+	 * Above register settings need value 720 involved.
+	 */
+	input->width = 704;
+	tw_indir_writeb(TW5864_INDIR_CROP_ETC,
+			tw_indir_readb(TW5864_INDIR_CROP_ETC) |
+			TW5864_INDIR_CROP_ETC_CROP_EN);
+
 	tw_writel(TW5864_DSP_PIC_MAX_MB,
 		  ((input->width / 16) << 8) | (input->height / 16));
 
@@ -532,7 +541,7 @@ static int tw5864_fmt_vid_cap(struct file *file, void *priv,
 {
 	struct tw5864_input *input = video_drvdata(file);
 
-	f->fmt.pix.width = 720;
+	f->fmt.pix.width = 704;
 	switch (input->std) {
 	default:
 		WARN_ON_ONCE(1);
@@ -738,7 +747,7 @@ static int tw5864_enum_framesizes(struct file *file, void *priv,
 		return -EINVAL;
 
 	fsize->type = V4L2_FRMSIZE_TYPE_DISCRETE;
-	fsize->discrete.width = 720;
+	fsize->discrete.width = 704;
 	fsize->discrete.height = input->std == STD_NTSC ? 480 : 576;
 
 	return 0;
diff --git a/drivers/media/pci/tw68/tw68-video.c b/drivers/media/pci/tw68/tw68-video.c
index a45e02367321..58c4dd75bfa1 100644
--- a/drivers/media/pci/tw68/tw68-video.c
+++ b/drivers/media/pci/tw68/tw68-video.c
@@ -279,9 +279,8 @@ static int tw68_set_scale(struct tw68_dev *dev, unsigned int width,
 		height /= 2;		/* we must set for 1-frame */
 
 	pr_debug("%s: width=%d, height=%d, both=%d\n"
-		 "  tvnorm h_delay=%d, h_start=%d, h_stop=%d, "
-		 "v_delay=%d, v_start=%d, v_stop=%d\n" , __func__,
-		width, height, V4L2_FIELD_HAS_BOTH(field),
+		 "  tvnorm h_delay=%d, h_start=%d, h_stop=%d, v_delay=%d, v_start=%d, v_stop=%d\n",
+		__func__, width, height, V4L2_FIELD_HAS_BOTH(field),
 		norm->h_delay, norm->h_start, norm->h_stop,
 		norm->v_delay, norm->video_v_start,
 		norm->video_v_stop);
@@ -309,16 +308,15 @@ static int tw68_set_scale(struct tw68_dev *dev, unsigned int width,
 		V4L2_FIELD_HAS_TOP(field)    ? "T" : "",
 		V4L2_FIELD_HAS_BOTTOM(field) ? "B" : "",
 		v4l2_norm_to_name(dev->tvnorm->id));
-	pr_debug("%s: hactive=%d, hdelay=%d, hscale=%d; "
-		"vactive=%d, vdelay=%d, vscale=%d\n", __func__,
+	pr_debug("%s: hactive=%d, hdelay=%d, hscale=%d; vactive=%d, vdelay=%d, vscale=%d\n",
+		 __func__,
 		hactive, hdelay, hscale, vactive, vdelay, vscale);
 
 	comb =	((vdelay & 0x300)  >> 2) |
 		((vactive & 0x300) >> 4) |
 		((hdelay & 0x300)  >> 6) |
 		((hactive & 0x300) >> 8);
-	pr_debug("%s: setting CROP_HI=%02x, VDELAY_LO=%02x, "
-		"VACTIVE_LO=%02x, HDELAY_LO=%02x, HACTIVE_LO=%02x\n",
+	pr_debug("%s: setting CROP_HI=%02x, VDELAY_LO=%02x, VACTIVE_LO=%02x, HDELAY_LO=%02x, HACTIVE_LO=%02x\n",
 		__func__, comb, vdelay, vactive, hdelay, hactive);
 	tw_writeb(TW68_CROP_HI, comb);
 	tw_writeb(TW68_VDELAY_LO, vdelay & 0xff);
@@ -327,8 +325,8 @@ static int tw68_set_scale(struct tw68_dev *dev, unsigned int width,
 	tw_writeb(TW68_HACTIVE_LO, hactive & 0xff);
 
 	comb = ((vscale & 0xf00) >> 4) | ((hscale & 0xf00) >> 8);
-	pr_debug("%s: setting SCALE_HI=%02x, VSCALE_LO=%02x, "
-		"HSCALE_LO=%02x\n", __func__, comb, vscale, hscale);
+	pr_debug("%s: setting SCALE_HI=%02x, VSCALE_LO=%02x, HSCALE_LO=%02x\n",
+		 __func__, comb, vscale, hscale);
 	tw_writeb(TW68_SCALE_HI, comb);
 	tw_writeb(TW68_VSCALE_LO, vscale);
 	tw_writeb(TW68_HSCALE_LO, hscale);
diff --git a/drivers/media/pci/zoran/zoran_device.c b/drivers/media/pci/zoran/zoran_device.c
index 4d47ddac97dc..35b552c178da 100644
--- a/drivers/media/pci/zoran/zoran_device.c
+++ b/drivers/media/pci/zoran/zoran_device.c
@@ -173,12 +173,8 @@ dump_guests (struct zoran *zr)
 			guest[i] = post_office_read(zr, i, 0);
 		}
 
-		printk(KERN_INFO "%s: Guests:", ZR_DEVNAME(zr));
-
-		for (i = 1; i < 8; i++) {
-			printk(" 0x%02x", guest[i]);
-		}
-		printk("\n");
+		printk(KERN_INFO "%s: Guests: %*ph\n",
+		       ZR_DEVNAME(zr), 8, guest);
 	}
 }
 
@@ -216,12 +212,9 @@ detect_guest_activity (struct zoran *zr)
 		if (j >= 8)
 			break;
 	}
-	printk(KERN_INFO "%s: Guests:", ZR_DEVNAME(zr));
 
-	for (i = 1; i < 8; i++) {
-		printk(" 0x%02x", guest0[i]);
-	}
-	printk("\n");
+	printk(KERN_INFO "%s: Guests: %*ph\n", ZR_DEVNAME(zr), 8, guest0);
+
 	if (j == 0) {
 		printk(KERN_INFO "%s: No activity detected.\n", ZR_DEVNAME(zr));
 		return;
@@ -822,39 +815,39 @@ print_interrupts (struct zoran *zr)
 
 	printk(KERN_INFO "%s: interrupts received:", ZR_DEVNAME(zr));
 	if ((res = zr->field_counter) < -1 || res > 1) {
-		printk(" FD:%d", res);
+		printk(KERN_CONT " FD:%d", res);
 	}
 	if ((res = zr->intr_counter_GIRQ1) != 0) {
-		printk(" GIRQ1:%d", res);
+		printk(KERN_CONT " GIRQ1:%d", res);
 		noerr++;
 	}
 	if ((res = zr->intr_counter_GIRQ0) != 0) {
-		printk(" GIRQ0:%d", res);
+		printk(KERN_CONT " GIRQ0:%d", res);
 		noerr++;
 	}
 	if ((res = zr->intr_counter_CodRepIRQ) != 0) {
-		printk(" CodRepIRQ:%d", res);
+		printk(KERN_CONT " CodRepIRQ:%d", res);
 		noerr++;
 	}
 	if ((res = zr->intr_counter_JPEGRepIRQ) != 0) {
-		printk(" JPEGRepIRQ:%d", res);
+		printk(KERN_CONT " JPEGRepIRQ:%d", res);
 		noerr++;
 	}
 	if (zr->JPEG_max_missed) {
-		printk(" JPEG delays: max=%d min=%d", zr->JPEG_max_missed,
+		printk(KERN_CONT " JPEG delays: max=%d min=%d", zr->JPEG_max_missed,
 		       zr->JPEG_min_missed);
 	}
 	if (zr->END_event_missed) {
-		printk(" ENDs missed: %d", zr->END_event_missed);
+		printk(KERN_CONT " ENDs missed: %d", zr->END_event_missed);
 	}
 	//if (zr->jpg_queued_num) {
-	printk(" queue_state=%ld/%ld/%ld/%ld", zr->jpg_que_tail,
+	printk(KERN_CONT " queue_state=%ld/%ld/%ld/%ld", zr->jpg_que_tail,
 	       zr->jpg_dma_tail, zr->jpg_dma_head, zr->jpg_que_head);
 	//}
 	if (!noerr) {
-		printk(": no interrupts detected.");
+		printk(KERN_CONT ": no interrupts detected.");
 	}
-	printk("\n");
+	printk(KERN_CONT "\n");
 }
 
 void
diff --git a/drivers/media/pci/zoran/zoran_driver.c b/drivers/media/pci/zoran/zoran_driver.c
index d6b631add216..2170e174c335 100644
--- a/drivers/media/pci/zoran/zoran_driver.c
+++ b/drivers/media/pci/zoran/zoran_driver.c
@@ -1488,7 +1488,7 @@ zoran_set_input (struct zoran *zr,
 	if (input < 0 || input >= zr->card.inputs) {
 		dprintk(1,
 			KERN_ERR
-			"%s: %s - unnsupported input %d\n",
+			"%s: %s - unsupported input %d\n",
 			ZR_DEVNAME(zr), __func__, input);
 		return -EINVAL;
 	}
diff --git a/drivers/media/platform/Kconfig b/drivers/media/platform/Kconfig
index ce4a96fccc43..d944421e392d 100644
--- a/drivers/media/platform/Kconfig
+++ b/drivers/media/platform/Kconfig
@@ -93,7 +93,7 @@ config VIDEO_OMAP3_DEBUG
 
 config VIDEO_PXA27x
 	tristate "PXA27x Quick Capture Interface driver"
-	depends on VIDEO_DEV && HAS_DMA
+	depends on VIDEO_DEV && VIDEO_V4L2 && HAS_DMA
 	depends on PXA27x || COMPILE_TEST
 	select VIDEOBUF2_DMA_SG
 	select SG_SPLIT
@@ -175,6 +175,23 @@ config VIDEO_MEDIATEK_VPU
 	    To compile this driver as a module, choose M here: the
 	    module will be called mtk-vpu.
 
+config VIDEO_MEDIATEK_MDP
+	tristate "Mediatek MDP driver"
+	depends on MTK_IOMMU || COMPILE_TEST
+	depends on VIDEO_DEV && VIDEO_V4L2
+	depends on ARCH_MEDIATEK || COMPILE_TEST
+	depends on HAS_DMA
+	select VIDEOBUF2_DMA_CONTIG
+	select V4L2_MEM2MEM_DEV
+	select VIDEO_MEDIATEK_VPU
+	default n
+	---help---
+	    It is a v4l2 driver and present in Mediatek MT8173 SoCs.
+	    The driver supports for scaling and color space conversion.
+
+	    To compile this driver as a module, choose M here: the
+	    module will be called mtk-mdp.
+
 config VIDEO_MEDIATEK_VCODEC
 	tristate "Mediatek Video Codec driver"
 	depends on MTK_IOMMU || COMPILE_TEST
@@ -249,7 +266,7 @@ config VIDEO_MX2_EMMAPRP
 config VIDEO_SAMSUNG_EXYNOS_GSC
 	tristate "Samsung Exynos G-Scaler driver"
 	depends on VIDEO_DEV && VIDEO_V4L2
-	depends on ARCH_EXYNOS5 || COMPILE_TEST
+	depends on ARCH_EXYNOS || COMPILE_TEST
 	depends on HAS_DMA
 	select VIDEOBUF2_DMA_CONTIG
 	select V4L2_MEM2MEM_DEV
@@ -290,6 +307,20 @@ config VIDEO_SH_VEU
 	    Support for the Video Engine Unit (VEU) on SuperH and
 	    SH-Mobile SoCs.
 
+config VIDEO_RENESAS_FDP1
+	tristate "Renesas Fine Display Processor"
+	depends on VIDEO_DEV && VIDEO_V4L2 && HAS_DMA
+	depends on ARCH_SHMOBILE || COMPILE_TEST
+	depends on (!ARCH_RENESAS && !VIDEO_RENESAS_FCP) || VIDEO_RENESAS_FCP
+	select VIDEOBUF2_DMA_CONTIG
+	select V4L2_MEM2MEM_DEV
+	---help---
+	  This is a V4L2 driver for the Renesas Fine Display Processor
+	  providing colour space conversion, and de-interlacing features.
+
+	  To compile this driver as a module, choose M here: the module
+	  will be called rcar_fdp1.
+
 config VIDEO_RENESAS_JPU
 	tristate "Renesas JPEG Processing Unit"
 	depends on VIDEO_DEV && VIDEO_V4L2 && HAS_DMA
@@ -334,6 +365,9 @@ config VIDEO_TI_VPE
 	depends on HAS_DMA
 	select VIDEOBUF2_DMA_CONTIG
 	select V4L2_MEM2MEM_DEV
+	select VIDEO_TI_VPDMA
+	select VIDEO_TI_SC
+	select VIDEO_TI_CSC
 	default n
 	---help---
 	  Support for the TI VPE(Video Processing Engine) block
@@ -347,6 +381,17 @@ config VIDEO_TI_VPE_DEBUG
 
 endif # V4L_MEM2MEM_DRIVERS
 
+# TI VIDEO PORT Helper Modules
+# These will be selected by VPE and VIP
+config VIDEO_TI_VPDMA
+	tristate
+
+config VIDEO_TI_SC
+	tristate
+
+config VIDEO_TI_CSC
+	tristate
+
 menuconfig V4L_TEST_DRIVERS
 	bool "Media test drivers"
 	depends on MEDIA_CAMERA_SUPPORT
diff --git a/drivers/media/platform/Makefile b/drivers/media/platform/Makefile
index 40b18d12726e..5b3cb271d2b8 100644
--- a/drivers/media/platform/Makefile
+++ b/drivers/media/platform/Makefile
@@ -48,6 +48,7 @@ obj-$(CONFIG_VIDEO_SH_VOU)		+= sh_vou.o
 obj-$(CONFIG_SOC_CAMERA)		+= soc_camera/
 
 obj-$(CONFIG_VIDEO_RENESAS_FCP) 	+= rcar-fcp.o
+obj-$(CONFIG_VIDEO_RENESAS_FDP1)	+= rcar_fdp1.o
 obj-$(CONFIG_VIDEO_RENESAS_JPU) 	+= rcar_jpu.o
 obj-$(CONFIG_VIDEO_RENESAS_VSP1)	+= vsp1/
 
@@ -66,3 +67,5 @@ ccflags-y += -I$(srctree)/drivers/media/i2c
 obj-$(CONFIG_VIDEO_MEDIATEK_VPU)	+= mtk-vpu/
 
 obj-$(CONFIG_VIDEO_MEDIATEK_VCODEC)	+= mtk-vcodec/
+
+obj-$(CONFIG_VIDEO_MEDIATEK_MDP)	+= mtk-mdp/
diff --git a/drivers/media/platform/atmel/atmel-isc.c b/drivers/media/platform/atmel/atmel-isc.c
index ccfe13b7d3f8..fa68fe912c95 100644
--- a/drivers/media/platform/atmel/atmel-isc.c
+++ b/drivers/media/platform/atmel/atmel-isc.c
@@ -617,7 +617,13 @@ static void isc_buffer_queue(struct vb2_buffer *vb)
 	unsigned long flags;
 
 	spin_lock_irqsave(&isc->dma_queue_lock, flags);
-	list_add_tail(&buf->list, &isc->dma_queue);
+	if (!isc->cur_frm && list_empty(&isc->dma_queue) &&
+		vb2_is_streaming(vb->vb2_queue)) {
+		isc->cur_frm = buf;
+		isc_start_dma(isc->regmap, isc->cur_frm,
+			isc->current_fmt->reg_dctrl_dview);
+	} else
+		list_add_tail(&buf->list, &isc->dma_queue);
 	spin_unlock_irqrestore(&isc->dma_queue_lock, flags);
 }
 
@@ -1418,6 +1424,7 @@ static int atmel_isc_probe(struct platform_device *pdev)
 
 	if (list_empty(&isc->subdev_entities)) {
 		dev_err(dev, "no subdev found\n");
+		ret = -ENODEV;
 		goto unregister_v4l2_device;
 	}
 
diff --git a/drivers/media/platform/blackfin/bfin_capture.c b/drivers/media/platform/blackfin/bfin_capture.c
index 8eb03397d736..2e6edc09b58f 100644
--- a/drivers/media/platform/blackfin/bfin_capture.c
+++ b/drivers/media/platform/blackfin/bfin_capture.c
@@ -169,7 +169,7 @@ static int bcap_init_sensor_formats(struct bcap_device *bcap_dev)
 	if (!num_formats)
 		return -ENXIO;
 
-	sf = kzalloc(num_formats * sizeof(*sf), GFP_KERNEL);
+	sf = kcalloc(num_formats, sizeof(*sf), GFP_KERNEL);
 	if (!sf)
 		return -ENOMEM;
 
@@ -802,10 +802,8 @@ static int bcap_probe(struct platform_device *pdev)
 	}
 
 	bcap_dev = kzalloc(sizeof(*bcap_dev), GFP_KERNEL);
-	if (!bcap_dev) {
-		v4l2_err(pdev->dev.driver, "Unable to alloc bcap_dev\n");
+	if (!bcap_dev)
 		return -ENOMEM;
-	}
 
 	bcap_dev->cfg = config;
 
diff --git a/drivers/media/platform/blackfin/ppi.c b/drivers/media/platform/blackfin/ppi.c
index cff63e511e6d..b8f3d9fa66e9 100644
--- a/drivers/media/platform/blackfin/ppi.c
+++ b/drivers/media/platform/blackfin/ppi.c
@@ -214,6 +214,8 @@ static int ppi_set_params(struct ppi_if *ppi, struct ppi_params *params)
 	if (params->dlen > 24 || params->dlen <= 0)
 		return -EINVAL;
 	pctrl = devm_pinctrl_get(ppi->dev);
+	if (IS_ERR(pctrl))
+		return PTR_ERR(pctrl);
 	pstate = pinctrl_lookup_state(pctrl,
 				      pin_state[(params->dlen + 7) / 8 - 1]);
 	if (pinctrl_select_state(pctrl, pstate))
diff --git a/drivers/media/platform/coda/coda-common.c b/drivers/media/platform/coda/coda-common.c
index c39718a63e5e..9e6bdafa16f5 100644
--- a/drivers/media/platform/coda/coda-common.c
+++ b/drivers/media/platform/coda/coda-common.c
@@ -2295,8 +2295,13 @@ static int coda_probe(struct platform_device *pdev)
 	pm_runtime_set_active(&pdev->dev);
 	pm_runtime_enable(&pdev->dev);
 
-	return coda_firmware_request(dev);
+	ret = coda_firmware_request(dev);
+	if (ret)
+		goto err_alloc_workqueue;
+	return 0;
 
+err_alloc_workqueue:
+	destroy_workqueue(dev->workqueue);
 err_v4l2_register:
 	v4l2_device_unregister(&dev->v4l2_dev);
 	return ret;
diff --git a/drivers/media/platform/coda/coda-h264.c b/drivers/media/platform/coda/coda-h264.c
index 456773af1f1d..09dfcca7cc50 100644
--- a/drivers/media/platform/coda/coda-h264.c
+++ b/drivers/media/platform/coda/coda-h264.c
@@ -13,6 +13,7 @@
 
 #include <linux/kernel.h>
 #include <linux/string.h>
+#include <coda.h>
 
 static const u8 coda_filler_nal[14] = { 0x00, 0x00, 0x00, 0x01, 0x0c, 0xff,
 			0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x80 };
diff --git a/drivers/media/platform/davinci/dm355_ccdc.c b/drivers/media/platform/davinci/dm355_ccdc.c
index c90b9a4f0c24..65c2973167c6 100644
--- a/drivers/media/platform/davinci/dm355_ccdc.c
+++ b/drivers/media/platform/davinci/dm355_ccdc.c
@@ -334,8 +334,8 @@ static int ccdc_set_params(void __user *params)
 
 	x = copy_from_user(&ccdc_raw_params, params, sizeof(ccdc_raw_params));
 	if (x) {
-		dev_dbg(ccdc_cfg.dev, "ccdc_set_params: error in copying ccdc"
-			"params, %d\n", x);
+		dev_dbg(ccdc_cfg.dev, "ccdc_set_params: error in copying ccdcparams, %d\n",
+			x);
 		return -EFAULT;
 	}
 
diff --git a/drivers/media/platform/davinci/dm644x_ccdc.c b/drivers/media/platform/davinci/dm644x_ccdc.c
index 6fba32bec974..c7523a7e0594 100644
--- a/drivers/media/platform/davinci/dm644x_ccdc.c
+++ b/drivers/media/platform/davinci/dm644x_ccdc.c
@@ -354,8 +354,8 @@ static int ccdc_set_params(void __user *params)
 
 	x = copy_from_user(&ccdc_raw_params, params, sizeof(ccdc_raw_params));
 	if (x) {
-		dev_dbg(ccdc_cfg.dev, "ccdc_set_params: error in copying"
-			   "ccdc params, %d\n", x);
+		dev_dbg(ccdc_cfg.dev, "ccdc_set_params: error in copyingccdc params, %d\n",
+			x);
 		return -EFAULT;
 	}
 
diff --git a/drivers/media/platform/davinci/vpbe.c b/drivers/media/platform/davinci/vpbe.c
index 9a6c2cc38acb..8c8cbeb7d90f 100644
--- a/drivers/media/platform/davinci/vpbe.c
+++ b/drivers/media/platform/davinci/vpbe.c
@@ -107,7 +107,7 @@ static int vpbe_find_encoder_sd_index(struct vpbe_config *cfg,
 static int vpbe_g_cropcap(struct vpbe_device *vpbe_dev,
 			  struct v4l2_cropcap *cropcap)
 {
-	if (NULL == cropcap)
+	if (!cropcap)
 		return -EINVAL;
 	cropcap->bounds.left = 0;
 	cropcap->bounds.top = 0;
@@ -149,7 +149,7 @@ static int vpbe_get_mode_info(struct vpbe_device *vpbe_dev, char *mode,
 	int curr_output = output_index;
 	int i;
 
-	if (NULL == mode)
+	if (!mode)
 		return -EINVAL;
 
 	for (i = 0; i < cfg->outputs[curr_output].num_modes; i++) {
@@ -166,7 +166,7 @@ static int vpbe_get_mode_info(struct vpbe_device *vpbe_dev, char *mode,
 static int vpbe_get_current_mode_info(struct vpbe_device *vpbe_dev,
 				      struct vpbe_enc_mode_info *mode_info)
 {
-	if (NULL == mode_info)
+	if (!mode_info)
 		return -EINVAL;
 
 	*mode_info = vpbe_dev->current_timings;
@@ -227,10 +227,9 @@ static int vpbe_set_output(struct vpbe_device *vpbe_dev, int index)
 			vpbe_current_encoder_info(vpbe_dev);
 	struct vpbe_config *cfg = vpbe_dev->cfg;
 	struct venc_platform_data *venc_device = vpbe_dev->venc_device;
-	u32 if_params;
 	int enc_out_index;
 	int sd_index;
-	int ret = 0;
+	int ret;
 
 	if (index >= cfg->num_outputs)
 		return -EINVAL;
@@ -254,20 +253,19 @@ static int vpbe_set_output(struct vpbe_device *vpbe_dev, int index)
 		sd_index = vpbe_find_encoder_sd_index(cfg, index);
 		if (sd_index < 0) {
 			ret = -EINVAL;
-			goto out;
+			goto unlock;
 		}
 
-		if_params = cfg->outputs[index].if_params;
-		venc_device->setup_if_config(if_params);
+		ret = venc_device->setup_if_config(cfg->outputs[index].if_params);
 		if (ret)
-			goto out;
+			goto unlock;
 	}
 
 	/* Set output at the encoder */
 	ret = v4l2_subdev_call(vpbe_dev->encoders[sd_index], video,
 				       s_routing, 0, enc_out_index, 0);
 	if (ret)
-		goto out;
+		goto unlock;
 
 	/*
 	 * It is assumed that venc or extenal encoder will set a default
@@ -289,7 +287,7 @@ static int vpbe_set_output(struct vpbe_device *vpbe_dev, int index)
 		vpbe_dev->current_sd_index = sd_index;
 		vpbe_dev->current_out_index = index;
 	}
-out:
+unlock:
 	mutex_unlock(&vpbe_dev->lock);
 	return ret;
 }
@@ -297,19 +295,19 @@ out:
 static int vpbe_set_default_output(struct vpbe_device *vpbe_dev)
 {
 	struct vpbe_config *cfg = vpbe_dev->cfg;
-	int ret = 0;
 	int i;
 
 	for (i = 0; i < cfg->num_outputs; i++) {
 		if (!strcmp(def_output,
 			    cfg->outputs[i].output.name)) {
-			ret = vpbe_set_output(vpbe_dev, i);
+			int ret = vpbe_set_output(vpbe_dev, i);
+
 			if (!ret)
 				vpbe_dev->current_out_index = i;
 			return ret;
 		}
 	}
-	return ret;
+	return 0;
 }
 
 /**
@@ -356,7 +354,7 @@ static int vpbe_s_dv_timings(struct vpbe_device *vpbe_dev,
 
 	ret = v4l2_subdev_call(vpbe_dev->encoders[sd_index], video,
 					s_dv_timings, dv_timings);
-	if (!ret && (vpbe_dev->amp != NULL)) {
+	if (!ret && vpbe_dev->amp) {
 		/* Call amplifier subdevice */
 		ret = v4l2_subdev_call(vpbe_dev->amp, video,
 				s_dv_timings, dv_timings);
@@ -509,10 +507,9 @@ static int vpbe_set_mode(struct vpbe_device *vpbe_dev,
 	struct v4l2_dv_timings dv_timings;
 	struct osd_state *osd_device;
 	int out_index = vpbe_dev->current_out_index;
-	int ret = 0;
 	int i;
 
-	if ((NULL == mode_info) || (NULL == mode_info->name))
+	if (!mode_info || !mode_info->name)
 		return -EINVAL;
 
 	for (i = 0; i < cfg->outputs[out_index].num_modes; i++) {
@@ -536,7 +533,7 @@ static int vpbe_set_mode(struct vpbe_device *vpbe_dev,
 	}
 
 	/* Only custom timing should reach here */
-	if (preset_mode == NULL)
+	if (!preset_mode)
 		return -EINVAL;
 
 	mutex_lock(&vpbe_dev->lock);
@@ -549,8 +546,7 @@ static int vpbe_set_mode(struct vpbe_device *vpbe_dev,
 		vpbe_dev->current_timings.upper_margin);
 
 	mutex_unlock(&vpbe_dev->lock);
-
-	return ret;
+	return 0;
 }
 
 static int vpbe_set_default_mode(struct vpbe_device *vpbe_dev)
@@ -570,9 +566,9 @@ static int platform_device_get(struct device *dev, void *data)
 	struct platform_device *pdev = to_platform_device(dev);
 	struct vpbe_device *vpbe_dev = data;
 
-	if (strstr(pdev->name, "vpbe-osd") != NULL)
+	if (strstr(pdev->name, "vpbe-osd"))
 		vpbe_dev->osd_device = platform_get_drvdata(pdev);
-	if (strstr(pdev->name, "vpbe-venc") != NULL)
+	if (strstr(pdev->name, "vpbe-venc"))
 		vpbe_dev->venc_device = dev_get_platdata(&pdev->dev);
 
 	return 0;
@@ -606,7 +602,7 @@ static int vpbe_initialize(struct device *dev, struct vpbe_device *vpbe_dev)
 	 * from the platform device by iteration of platform drivers and
 	 * matching with device name
 	 */
-	if (NULL == vpbe_dev || NULL == dev) {
+	if (!vpbe_dev || !dev) {
 		printk(KERN_ERR "Null device pointers.\n");
 		return -ENODEV;
 	}
@@ -652,7 +648,7 @@ static int vpbe_initialize(struct device *dev, struct vpbe_device *vpbe_dev)
 	vpbe_dev->venc = venc_sub_dev_init(&vpbe_dev->v4l2_dev,
 					   vpbe_dev->cfg->venc.module_name);
 	/* register venc sub device */
-	if (vpbe_dev->venc == NULL) {
+	if (!vpbe_dev->venc) {
 		v4l2_err(&vpbe_dev->v4l2_dev,
 			"vpbe unable to init venc sub device\n");
 		ret = -ENODEV;
@@ -660,8 +656,7 @@ static int vpbe_initialize(struct device *dev, struct vpbe_device *vpbe_dev)
 	}
 	/* initialize osd device */
 	osd_device = vpbe_dev->osd_device;
-
-	if (NULL != osd_device->ops.initialize) {
+	if (osd_device->ops.initialize) {
 		err = osd_device->ops.initialize(osd_device);
 		if (err) {
 			v4l2_err(&vpbe_dev->v4l2_dev,
@@ -676,12 +671,10 @@ static int vpbe_initialize(struct device *dev, struct vpbe_device *vpbe_dev)
 	 * store venc sd index.
 	 */
 	num_encoders = vpbe_dev->cfg->num_ext_encoders + 1;
-	vpbe_dev->encoders = kmalloc(
-				sizeof(struct v4l2_subdev *)*num_encoders,
-				GFP_KERNEL);
-	if (NULL == vpbe_dev->encoders) {
-		v4l2_err(&vpbe_dev->v4l2_dev,
-			"unable to allocate memory for encoders sub devices");
+	vpbe_dev->encoders = kmalloc_array(num_encoders,
+					   sizeof(*vpbe_dev->encoders),
+					   GFP_KERNEL);
+	if (!vpbe_dev->encoders) {
 		ret = -ENOMEM;
 		goto fail_dev_unregister;
 	}
@@ -705,19 +698,17 @@ static int vpbe_initialize(struct device *dev, struct vpbe_device *vpbe_dev)
 					  "v4l2 sub device %s registered\n",
 					  enc_info->module_name);
 			else {
-				v4l2_err(&vpbe_dev->v4l2_dev, "encoder %s"
-					 " failed to register",
+				v4l2_err(&vpbe_dev->v4l2_dev, "encoder %s failed to register",
 					 enc_info->module_name);
 				ret = -ENODEV;
 				goto fail_kfree_encoders;
 			}
 		} else
-			v4l2_warn(&vpbe_dev->v4l2_dev, "non-i2c encoders"
-				 " currently not supported");
+			v4l2_warn(&vpbe_dev->v4l2_dev, "non-i2c encoders currently not supported");
 	}
 	/* Add amplifier subdevice for dm365 */
 	if ((strcmp(vpbe_dev->cfg->module_name, "dm365-vpbe-display") == 0) &&
-			vpbe_dev->cfg->amp != NULL) {
+	   vpbe_dev->cfg->amp) {
 		amp_info = vpbe_dev->cfg->amp;
 		if (amp_info->is_i2c) {
 			vpbe_dev->amp = v4l2_i2c_new_subdev_board(
@@ -735,8 +726,7 @@ static int vpbe_initialize(struct device *dev, struct vpbe_device *vpbe_dev)
 					  amp_info->module_name);
 		} else {
 			    vpbe_dev->amp = NULL;
-			    v4l2_warn(&vpbe_dev->v4l2_dev, "non-i2c amplifiers"
-			    " currently not supported");
+			    v4l2_warn(&vpbe_dev->v4l2_dev, "non-i2c amplifiers currently not supported");
 		}
 	} else {
 	    vpbe_dev->amp = NULL;
@@ -824,9 +814,8 @@ static int vpbe_probe(struct platform_device *pdev)
 {
 	struct vpbe_device *vpbe_dev;
 	struct vpbe_config *cfg;
-	int ret = -EINVAL;
 
-	if (pdev->dev.platform_data == NULL) {
+	if (!pdev->dev.platform_data) {
 		v4l2_err(pdev->dev.driver, "No platform data\n");
 		return -ENODEV;
 	}
@@ -835,17 +824,14 @@ static int vpbe_probe(struct platform_device *pdev)
 	if (!cfg->module_name[0] ||
 	    !cfg->osd.module_name[0] ||
 	    !cfg->venc.module_name[0]) {
-		v4l2_err(pdev->dev.driver, "vpbe display module names not"
-			 " defined\n");
-		return ret;
+		v4l2_err(pdev->dev.driver, "vpbe display module names not defined\n");
+		return -EINVAL;
 	}
 
 	vpbe_dev = kzalloc(sizeof(*vpbe_dev), GFP_KERNEL);
-	if (vpbe_dev == NULL) {
-		v4l2_err(pdev->dev.driver, "Unable to allocate memory"
-			 " for vpbe_device\n");
+	if (!vpbe_dev)
 		return -ENOMEM;
-	}
+
 	vpbe_dev->cfg = cfg;
 	vpbe_dev->ops = vpbe_dev_ops;
 	vpbe_dev->pdev = &pdev->dev;
diff --git a/drivers/media/platform/davinci/vpfe_capture.c b/drivers/media/platform/davinci/vpfe_capture.c
index 6efb2f1631c4..ee1cd79739c8 100644
--- a/drivers/media/platform/davinci/vpfe_capture.c
+++ b/drivers/media/platform/davinci/vpfe_capture.c
@@ -229,7 +229,7 @@ int vpfe_register_ccdc_device(struct ccdc_hw_device *dev)
 	BUG_ON(!dev->hw_ops.getfid);
 
 	mutex_lock(&ccdc_lock);
-	if (NULL == ccdc_cfg) {
+	if (!ccdc_cfg) {
 		/*
 		 * TODO. Will this ever happen? if so, we need to fix it.
 		 * Proabably we need to add the request to a linked list and
@@ -265,7 +265,7 @@ EXPORT_SYMBOL(vpfe_register_ccdc_device);
  */
 void vpfe_unregister_ccdc_device(struct ccdc_hw_device *dev)
 {
-	if (NULL == dev) {
+	if (!dev) {
 		printk(KERN_ERR "invalid ccdc device ptr\n");
 		return;
 	}
@@ -281,7 +281,6 @@ void vpfe_unregister_ccdc_device(struct ccdc_hw_device *dev)
 	mutex_lock(&ccdc_lock);
 	ccdc_dev = NULL;
 	mutex_unlock(&ccdc_lock);
-	return;
 }
 EXPORT_SYMBOL(vpfe_unregister_ccdc_device);
 
@@ -384,7 +383,7 @@ static int vpfe_config_image_format(struct vpfe_device *vpfe_dev,
 	};
 	struct v4l2_mbus_framefmt *mbus_fmt = &fmt.format;
 	struct v4l2_pix_format *pix = &vpfe_dev->fmt.fmt.pix;
-	int i, ret = 0;
+	int i, ret;
 
 	for (i = 0; i < ARRAY_SIZE(vpfe_standards); i++) {
 		if (vpfe_standards[i].std_id & std_id) {
@@ -453,7 +452,7 @@ static int vpfe_config_image_format(struct vpfe_device *vpfe_dev,
 
 static int vpfe_initialize_device(struct vpfe_device *vpfe_dev)
 {
-	int ret = 0;
+	int ret;
 
 	/* set first input of current subdevice as the current input */
 	vpfe_dev->current_input = 0;
@@ -469,7 +468,7 @@ static int vpfe_initialize_device(struct vpfe_device *vpfe_dev)
 
 	/* now open the ccdc device to initialize it */
 	mutex_lock(&ccdc_lock);
-	if (NULL == ccdc_dev) {
+	if (!ccdc_dev) {
 		v4l2_err(&vpfe_dev->v4l2_dev, "ccdc device not registered\n");
 		ret = -ENODEV;
 		goto unlock;
@@ -511,12 +510,10 @@ static int vpfe_open(struct file *file)
 	}
 
 	/* Allocate memory for the file handle object */
-	fh = kmalloc(sizeof(struct vpfe_fh), GFP_KERNEL);
-	if (NULL == fh) {
-		v4l2_err(&vpfe_dev->v4l2_dev,
-			"unable to allocate memory for file handle object\n");
+	fh = kmalloc(sizeof(*fh), GFP_KERNEL);
+	if (!fh)
 		return -ENOMEM;
-	}
+
 	/* store pointer to fh in private_data member of file */
 	file->private_data = fh;
 	fh->vpfe_dev = vpfe_dev;
@@ -584,7 +581,7 @@ static irqreturn_t vpfe_isr(int irq, void *dev_id)
 		goto clear_intr;
 
 	/* only for 6446 this will be applicable */
-	if (NULL != ccdc_dev->hw_ops.reset)
+	if (ccdc_dev->hw_ops.reset)
 		ccdc_dev->hw_ops.reset();
 
 	if (field == V4L2_FIELD_NONE) {
@@ -617,9 +614,8 @@ static irqreturn_t vpfe_isr(int irq, void *dev_id)
 			 * interleavely or separately in memory, reconfigure
 			 * the CCDC memory address
 			 */
-			if (field == V4L2_FIELD_SEQ_TB) {
+			if (field == V4L2_FIELD_SEQ_TB)
 				vpfe_schedule_bottom_field(vpfe_dev);
-			}
 			goto clear_intr;
 		}
 		/*
@@ -824,7 +820,7 @@ static const struct vpfe_pixel_format *
 	int temp, found;
 
 	vpfe_pix_fmt = vpfe_lookup_pix_format(pixfmt->pixelformat);
-	if (NULL == vpfe_pix_fmt) {
+	if (!vpfe_pix_fmt) {
 		/*
 		 * use current pixel format in the vpfe device. We
 		 * will find this pix format in the table
@@ -919,8 +915,7 @@ static const struct vpfe_pixel_format *
 	else
 		pixfmt->sizeimage = pixfmt->bytesperline * pixfmt->height;
 
-	v4l2_info(&vpfe_dev->v4l2_dev, "adjusted width = %d, height ="
-		 " %d, bpp = %d, bytesperline = %d, sizeimage = %d\n",
+	v4l2_info(&vpfe_dev->v4l2_dev, "adjusted width = %d, height = %d, bpp = %d, bytesperline = %d, sizeimage = %d\n",
 		 pixfmt->width, pixfmt->height, vpfe_pix_fmt->bpp,
 		 pixfmt->bytesperline, pixfmt->sizeimage);
 	return vpfe_pix_fmt;
@@ -967,7 +962,7 @@ static int vpfe_enum_fmt_vid_cap(struct file *file, void  *priv,
 
 	/* Fill in the information about format */
 	pix_fmt = vpfe_lookup_pix_format(pix);
-	if (NULL != pix_fmt) {
+	if (pix_fmt) {
 		temp_index = fmt->index;
 		*fmt = pix_fmt->fmtdesc;
 		fmt->index = temp_index;
@@ -981,7 +976,7 @@ static int vpfe_s_fmt_vid_cap(struct file *file, void *priv,
 {
 	struct vpfe_device *vpfe_dev = video_drvdata(file);
 	const struct vpfe_pixel_format *pix_fmts;
-	int ret = 0;
+	int ret;
 
 	v4l2_dbg(1, debug, &vpfe_dev->v4l2_dev, "vpfe_s_fmt_vid_cap\n");
 
@@ -993,8 +988,7 @@ static int vpfe_s_fmt_vid_cap(struct file *file, void *priv,
 
 	/* Check for valid frame format */
 	pix_fmts = vpfe_check_format(vpfe_dev, &fmt->fmt.pix);
-
-	if (NULL == pix_fmts)
+	if (!pix_fmts)
 		return -EINVAL;
 
 	/* store the pixel format in the device  object */
@@ -1020,7 +1014,7 @@ static int vpfe_try_fmt_vid_cap(struct file *file, void *priv,
 	v4l2_dbg(1, debug, &vpfe_dev->v4l2_dev, "vpfe_try_fmt_vid_cap\n");
 
 	pix_fmts = vpfe_check_format(vpfe_dev, &f->fmt.pix);
-	if (NULL == pix_fmts)
+	if (!pix_fmts)
 		return -EINVAL;
 	return 0;
 }
@@ -1088,12 +1082,11 @@ static int vpfe_enum_input(struct file *file, void *priv,
 					&subdev,
 					&index,
 					inp->index) < 0) {
-		v4l2_err(&vpfe_dev->v4l2_dev, "input information not found"
-			 " for the subdev\n");
+		v4l2_err(&vpfe_dev->v4l2_dev, "input information not found for the subdev\n");
 		return -EINVAL;
 	}
 	sdinfo = &vpfe_dev->cfg->sub_devs[subdev];
-	memcpy(inp, &sdinfo->inputs[index], sizeof(struct v4l2_input));
+	*inp = sdinfo->inputs[index];
 	return 0;
 }
 
@@ -1114,8 +1107,8 @@ static int vpfe_s_input(struct file *file, void *priv, unsigned int index)
 	struct vpfe_subdev_info *sdinfo;
 	int subdev_index, inp_index;
 	struct vpfe_route *route;
-	u32 input = 0, output = 0;
-	int ret = -EINVAL;
+	u32 input, output;
+	int ret;
 
 	v4l2_dbg(1, debug, &vpfe_dev->v4l2_dev, "vpfe_s_input\n");
 
@@ -1147,6 +1140,9 @@ static int vpfe_s_input(struct file *file, void *priv, unsigned int index)
 	if (route && sdinfo->can_route) {
 		input = route->input;
 		output = route->output;
+	} else {
+		input = 0;
+		output = 0;
 	}
 
 	if (sd)
@@ -1181,7 +1177,7 @@ static int vpfe_querystd(struct file *file, void *priv, v4l2_std_id *std_id)
 {
 	struct vpfe_device *vpfe_dev = video_drvdata(file);
 	struct vpfe_subdev_info *sdinfo;
-	int ret = 0;
+	int ret;
 
 	v4l2_dbg(1, debug, &vpfe_dev->v4l2_dev, "vpfe_querystd\n");
 
@@ -1200,7 +1196,7 @@ static int vpfe_s_std(struct file *file, void *priv, v4l2_std_id std_id)
 {
 	struct vpfe_device *vpfe_dev = video_drvdata(file);
 	struct vpfe_subdev_info *sdinfo;
-	int ret = 0;
+	int ret;
 
 	v4l2_dbg(1, debug, &vpfe_dev->v4l2_dev, "vpfe_s_std\n");
 
@@ -1349,7 +1345,7 @@ static int vpfe_reqbufs(struct file *file, void *priv,
 {
 	struct vpfe_device *vpfe_dev = video_drvdata(file);
 	struct vpfe_fh *fh = file->private_data;
-	int ret = 0;
+	int ret;
 
 	v4l2_dbg(1, debug, &vpfe_dev->v4l2_dev, "vpfe_reqbufs\n");
 
@@ -1481,7 +1477,7 @@ static int vpfe_streamon(struct file *file, void *priv,
 	struct vpfe_fh *fh = file->private_data;
 	struct vpfe_subdev_info *sdinfo;
 	unsigned long addr;
-	int ret = 0;
+	int ret;
 
 	v4l2_dbg(1, debug, &vpfe_dev->v4l2_dev, "vpfe_streamon\n");
 
@@ -1564,7 +1560,7 @@ static int vpfe_streamoff(struct file *file, void *priv,
 	struct vpfe_device *vpfe_dev = video_drvdata(file);
 	struct vpfe_fh *fh = file->private_data;
 	struct vpfe_subdev_info *sdinfo;
-	int ret = 0;
+	int ret;
 
 	v4l2_dbg(1, debug, &vpfe_dev->v4l2_dev, "vpfe_streamoff\n");
 
@@ -1650,7 +1646,7 @@ static int vpfe_s_selection(struct file *file, void *priv,
 {
 	struct vpfe_device *vpfe_dev = video_drvdata(file);
 	struct v4l2_rect rect = sel->r;
-	int ret = 0;
+	int ret;
 
 	v4l2_dbg(1, debug, &vpfe_dev->v4l2_dev, "vpfe_s_selection\n");
 
@@ -1708,7 +1704,7 @@ static long vpfe_param_handler(struct file *file, void *priv,
 		bool valid_prio, unsigned int cmd, void *param)
 {
 	struct vpfe_device *vpfe_dev = video_drvdata(file);
-	int ret = 0;
+	int ret;
 
 	v4l2_dbg(2, debug, &vpfe_dev->v4l2_dev, "vpfe_param_handler\n");
 
@@ -1821,7 +1817,7 @@ static int vpfe_probe(struct platform_device *pdev)
 	struct vpfe_device *vpfe_dev;
 	struct i2c_adapter *i2c_adap;
 	struct video_device *vfd;
-	int ret = -ENOMEM, i, j;
+	int ret, i, j;
 	int num_subdevs = 0;
 
 	/* Get the pointer to the device object */
@@ -1830,12 +1826,12 @@ static int vpfe_probe(struct platform_device *pdev)
 	if (!vpfe_dev) {
 		v4l2_err(pdev->dev.driver,
 			"Failed to allocate memory for vpfe_dev\n");
-		return ret;
+		return -ENOMEM;
 	}
 
 	vpfe_dev->pdev = &pdev->dev;
 
-	if (NULL == pdev->dev.platform_data) {
+	if (!pdev->dev.platform_data) {
 		v4l2_err(pdev->dev.driver, "Unable to get vpfe config\n");
 		ret = -ENODEV;
 		goto probe_free_dev_mem;
@@ -1843,19 +1839,16 @@ static int vpfe_probe(struct platform_device *pdev)
 
 	vpfe_cfg = pdev->dev.platform_data;
 	vpfe_dev->cfg = vpfe_cfg;
-	if (NULL == vpfe_cfg->ccdc ||
-	    NULL == vpfe_cfg->card_name ||
-	    NULL == vpfe_cfg->sub_devs) {
+	if (!vpfe_cfg->ccdc || !vpfe_cfg->card_name || !vpfe_cfg->sub_devs) {
 		v4l2_err(pdev->dev.driver, "null ptr in vpfe_cfg\n");
 		ret = -ENOENT;
 		goto probe_free_dev_mem;
 	}
 
 	/* Allocate memory for ccdc configuration */
-	ccdc_cfg = kmalloc(sizeof(struct ccdc_config), GFP_KERNEL);
-	if (NULL == ccdc_cfg) {
-		v4l2_err(pdev->dev.driver,
-			 "Memory allocation failed for ccdc_cfg\n");
+	ccdc_cfg = kmalloc(sizeof(*ccdc_cfg), GFP_KERNEL);
+	if (!ccdc_cfg) {
+		ret = -ENOMEM;
 		goto probe_free_dev_mem;
 	}
 
@@ -1940,11 +1933,10 @@ static int vpfe_probe(struct platform_device *pdev)
 	video_set_drvdata(&vpfe_dev->video_dev, vpfe_dev);
 	i2c_adap = i2c_get_adapter(vpfe_cfg->i2c_adapter_id);
 	num_subdevs = vpfe_cfg->num_subdevs;
-	vpfe_dev->sd = kmalloc(sizeof(struct v4l2_subdev *) * num_subdevs,
-				GFP_KERNEL);
-	if (NULL == vpfe_dev->sd) {
-		v4l2_err(&vpfe_dev->v4l2_dev,
-			"unable to allocate memory for subdevice pointers\n");
+	vpfe_dev->sd = kmalloc_array(num_subdevs,
+				     sizeof(*vpfe_dev->sd),
+				     GFP_KERNEL);
+	if (!vpfe_dev->sd) {
 		ret = -ENOMEM;
 		goto probe_out_video_unregister;
 	}
@@ -1974,6 +1966,7 @@ static int vpfe_probe(struct platform_device *pdev)
 			v4l2_info(&vpfe_dev->v4l2_dev,
 				  "v4l2 sub device %s register fails\n",
 				  sdinfo->name);
+			ret = -ENXIO;
 			goto probe_sd_out;
 		}
 	}
diff --git a/drivers/media/platform/davinci/vpif_capture.c b/drivers/media/platform/davinci/vpif_capture.c
index 5104cc0ee40e..f791f5c402bf 100644
--- a/drivers/media/platform/davinci/vpif_capture.c
+++ b/drivers/media/platform/davinci/vpif_capture.c
@@ -291,10 +291,10 @@ static void vpif_stop_streaming(struct vb2_queue *vq)
 		vb2_buffer_done(&common->cur_frm->vb.vb2_buf,
 				VB2_BUF_STATE_ERROR);
 	} else {
-		if (common->cur_frm != NULL)
+		if (common->cur_frm)
 			vb2_buffer_done(&common->cur_frm->vb.vb2_buf,
 					VB2_BUF_STATE_ERROR);
-		if (common->next_frm != NULL)
+		if (common->next_frm)
 			vb2_buffer_done(&common->next_frm->vb.vb2_buf,
 					VB2_BUF_STATE_ERROR);
 	}
@@ -375,7 +375,7 @@ static irqreturn_t vpif_channel_isr(int irq, void *dev_id)
 	struct vpif_device *dev = &vpif_obj;
 	struct common_obj *common;
 	struct channel_obj *ch;
-	int channel_id = 0;
+	int channel_id;
 	int fid = -1, i;
 
 	channel_id = *(int *)(dev_id);
@@ -648,7 +648,7 @@ static int vpif_input_to_subdev(
 	vpif_dbg(2, debug, "vpif_input_to_subdev\n");
 
 	subdev_name = chan_cfg->inputs[input_index].subdev_name;
-	if (subdev_name == NULL)
+	if (!subdev_name)
 		return -1;
 
 	/* loop through the sub device list to get the sub device info */
@@ -731,7 +731,7 @@ static int vpif_querystd(struct file *file, void *priv, v4l2_std_id *std_id)
 {
 	struct video_device *vdev = video_devdata(file);
 	struct channel_obj *ch = video_get_drvdata(vdev);
-	int ret = 0;
+	int ret;
 
 	vpif_dbg(2, debug, "vpif_querystd\n");
 
@@ -764,7 +764,7 @@ static int vpif_g_std(struct file *file, void *priv, v4l2_std_id *std)
 
 	vpif_dbg(2, debug, "vpif_g_std\n");
 
-	if (config->chan_config[ch->channel_id].inputs == NULL)
+	if (!config->chan_config[ch->channel_id].inputs)
 		return -ENODATA;
 
 	chan_cfg = &config->chan_config[ch->channel_id];
@@ -794,7 +794,7 @@ static int vpif_s_std(struct file *file, void *priv, v4l2_std_id std_id)
 
 	vpif_dbg(2, debug, "vpif_s_std\n");
 
-	if (config->chan_config[ch->channel_id].inputs == NULL)
+	if (!config->chan_config[ch->channel_id].inputs)
 		return -ENODATA;
 
 	chan_cfg = &config->chan_config[ch->channel_id];
@@ -1050,7 +1050,7 @@ vpif_enum_dv_timings(struct file *file, void *priv,
 	struct v4l2_input input;
 	int ret;
 
-	if (config->chan_config[ch->channel_id].inputs == NULL)
+	if (!config->chan_config[ch->channel_id].inputs)
 		return -ENODATA;
 
 	chan_cfg = &config->chan_config[ch->channel_id];
@@ -1084,7 +1084,7 @@ vpif_query_dv_timings(struct file *file, void *priv,
 	struct v4l2_input input;
 	int ret;
 
-	if (config->chan_config[ch->channel_id].inputs == NULL)
+	if (!config->chan_config[ch->channel_id].inputs)
 		return -ENODATA;
 
 	chan_cfg = &config->chan_config[ch->channel_id];
@@ -1120,7 +1120,7 @@ static int vpif_s_dv_timings(struct file *file, void *priv,
 	struct v4l2_input input;
 	int ret;
 
-	if (config->chan_config[ch->channel_id].inputs == NULL)
+	if (!config->chan_config[ch->channel_id].inputs)
 		return -ENODATA;
 
 	chan_cfg = &config->chan_config[ch->channel_id];
@@ -1152,11 +1152,7 @@ static int vpif_s_dv_timings(struct file *file, void *priv,
 				timings->bt.vfrontporch &&
 				(timings->bt.vbackporch ||
 				 timings->bt.vsync))) {
-		vpif_dbg(2, debug, "Timings for width, height, "
-				"horizontal back porch, horizontal sync, "
-				"horizontal front porch, vertical back porch, "
-				"vertical sync and vertical back porch "
-				"must be defined\n");
+		vpif_dbg(2, debug, "Timings for width, height, horizontal back porch, horizontal sync, horizontal front porch, vertical back porch, vertical sync and vertical back porch must be defined\n");
 		return -EINVAL;
 	}
 
@@ -1181,8 +1177,7 @@ static int vpif_s_dv_timings(struct file *file, void *priv,
 			std_info->l11 = std_info->vsize -
 				(bt->il_vfrontporch - 1);
 		} else {
-			vpif_dbg(2, debug, "Required timing values for "
-					"interlaced BT format missing\n");
+			vpif_dbg(2, debug, "Required timing values for interlaced BT format missing\n");
 			return -EINVAL;
 		}
 	} else {
@@ -1218,7 +1213,7 @@ static int vpif_g_dv_timings(struct file *file, void *priv,
 	struct vpif_capture_chan_config *chan_cfg;
 	struct v4l2_input input;
 
-	if (config->chan_config[ch->channel_id].inputs == NULL)
+	if (!config->chan_config[ch->channel_id].inputs)
 		return -ENODATA;
 
 	chan_cfg = &config->chan_config[ch->channel_id];
@@ -1464,10 +1459,8 @@ static __init int vpif_probe(struct platform_device *pdev)
 	vpif_obj.config = pdev->dev.platform_data;
 
 	subdev_count = vpif_obj.config->subdev_count;
-	vpif_obj.sd = kzalloc(sizeof(struct v4l2_subdev *) * subdev_count,
-				GFP_KERNEL);
-	if (vpif_obj.sd == NULL) {
-		vpif_err("unable to allocate memory for subdevice pointers\n");
+	vpif_obj.sd = kcalloc(subdev_count, sizeof(*vpif_obj.sd), GFP_KERNEL);
+	if (!vpif_obj.sd) {
 		err = -ENOMEM;
 		goto vpif_unregister;
 	}
diff --git a/drivers/media/platform/davinci/vpif_display.c b/drivers/media/platform/davinci/vpif_display.c
index 75b27233ec2f..e5f18448dbf7 100644
--- a/drivers/media/platform/davinci/vpif_display.c
+++ b/drivers/media/platform/davinci/vpif_display.c
@@ -271,10 +271,10 @@ static void vpif_stop_streaming(struct vb2_queue *vq)
 		vb2_buffer_done(&common->cur_frm->vb.vb2_buf,
 				VB2_BUF_STATE_ERROR);
 	} else {
-		if (common->cur_frm != NULL)
+		if (common->cur_frm)
 			vb2_buffer_done(&common->cur_frm->vb.vb2_buf,
 					VB2_BUF_STATE_ERROR);
-		if (common->next_frm != NULL)
+		if (common->next_frm)
 			vb2_buffer_done(&common->next_frm->vb.vb2_buf,
 					VB2_BUF_STATE_ERROR);
 	}
@@ -301,7 +301,7 @@ static struct vb2_ops video_qops = {
 
 static void process_progressive_mode(struct common_obj *common)
 {
-	unsigned long addr = 0;
+	unsigned long addr;
 
 	spin_lock(&common->irqlock);
 	/* Get the next buffer from buffer queue */
@@ -363,7 +363,7 @@ static irqreturn_t vpif_channel_isr(int irq, void *dev_id)
 	struct channel_obj *ch;
 	struct common_obj *common;
 	int fid = -1, i;
-	int channel_id = 0;
+	int channel_id;
 
 	channel_id = *(int *)(dev_id);
 	if (!vpif_intr_status(channel_id + 2))
@@ -686,7 +686,7 @@ static int vpif_s_std(struct file *file, void *priv, v4l2_std_id std_id)
 	struct v4l2_output output;
 	int ret;
 
-	if (config->chan_config[ch->channel_id].outputs == NULL)
+	if (!config->chan_config[ch->channel_id].outputs)
 		return -ENODATA;
 
 	chan_cfg = &config->chan_config[ch->channel_id];
@@ -732,7 +732,7 @@ static int vpif_g_std(struct file *file, void *priv, v4l2_std_id *std)
 	struct vpif_display_chan_config *chan_cfg;
 	struct v4l2_output output;
 
-	if (config->chan_config[ch->channel_id].outputs == NULL)
+	if (!config->chan_config[ch->channel_id].outputs)
 		return -ENODATA;
 
 	chan_cfg = &config->chan_config[ch->channel_id];
@@ -783,11 +783,11 @@ vpif_output_to_subdev(struct vpif_display_config *vpif_cfg,
 
 	vpif_dbg(2, debug, "vpif_output_to_subdev\n");
 
-	if (chan_cfg->outputs == NULL)
+	if (!chan_cfg->outputs)
 		return -1;
 
 	subdev_name = chan_cfg->outputs[index].subdev_name;
-	if (subdev_name == NULL)
+	if (!subdev_name)
 		return -1;
 
 	/* loop through the sub device list to get the sub device info */
@@ -833,7 +833,7 @@ static int vpif_set_output(struct vpif_display_config *vpif_cfg,
 	}
 	ch->output_idx = index;
 	ch->sd = sd;
-	if (chan_cfg->outputs != NULL)
+	if (chan_cfg->outputs)
 		/* update tvnorms from the sub device output info */
 		ch->video_dev.tvnorms = chan_cfg->outputs[index].output.std;
 	return 0;
@@ -885,7 +885,7 @@ vpif_enum_dv_timings(struct file *file, void *priv,
 	struct v4l2_output output;
 	int ret;
 
-	if (config->chan_config[ch->channel_id].outputs == NULL)
+	if (!config->chan_config[ch->channel_id].outputs)
 		return -ENODATA;
 
 	chan_cfg = &config->chan_config[ch->channel_id];
@@ -922,7 +922,7 @@ static int vpif_s_dv_timings(struct file *file, void *priv,
 	struct v4l2_output output;
 	int ret;
 
-	if (config->chan_config[ch->channel_id].outputs == NULL)
+	if (!config->chan_config[ch->channel_id].outputs)
 		return -ENODATA;
 
 	chan_cfg = &config->chan_config[ch->channel_id];
@@ -954,11 +954,7 @@ static int vpif_s_dv_timings(struct file *file, void *priv,
 				timings->bt.vfrontporch &&
 				(timings->bt.vbackporch ||
 				 timings->bt.vsync))) {
-		vpif_dbg(2, debug, "Timings for width, height, "
-				"horizontal back porch, horizontal sync, "
-				"horizontal front porch, vertical back porch, "
-				"vertical sync and vertical back porch "
-				"must be defined\n");
+		vpif_dbg(2, debug, "Timings for width, height, horizontal back porch, horizontal sync, horizontal front porch, vertical back porch, vertical sync and vertical back porch must be defined\n");
 		return -EINVAL;
 	}
 
@@ -983,8 +979,7 @@ static int vpif_s_dv_timings(struct file *file, void *priv,
 			std_info->l11 = std_info->vsize -
 				(bt->il_vfrontporch - 1);
 		} else {
-			vpif_dbg(2, debug, "Required timing values for "
-					"interlaced BT format missing\n");
+			vpif_dbg(2, debug, "Required timing values for interlaced BT format missing\n");
 			return -EINVAL;
 		}
 	} else {
@@ -1021,7 +1016,7 @@ static int vpif_g_dv_timings(struct file *file, void *priv,
 	struct video_obj *vid_ch = &ch->video;
 	struct v4l2_output output;
 
-	if (config->chan_config[ch->channel_id].outputs == NULL)
+	if (!config->chan_config[ch->channel_id].outputs)
 		goto error;
 
 	chan_cfg = &config->chan_config[ch->channel_id];
@@ -1279,10 +1274,8 @@ static __init int vpif_probe(struct platform_device *pdev)
 	vpif_obj.config = pdev->dev.platform_data;
 	subdev_count = vpif_obj.config->subdev_count;
 	subdevdata = vpif_obj.config->subdevinfo;
-	vpif_obj.sd = kzalloc(sizeof(struct v4l2_subdev *) * subdev_count,
-								GFP_KERNEL);
-	if (vpif_obj.sd == NULL) {
-		vpif_err("unable to allocate memory for subdevice pointers\n");
+	vpif_obj.sd = kcalloc(subdev_count, sizeof(*vpif_obj.sd), GFP_KERNEL);
+	if (!vpif_obj.sd) {
 		err = -ENOMEM;
 		goto vpif_unregister;
 	}
diff --git a/drivers/media/platform/davinci/vpss.c b/drivers/media/platform/davinci/vpss.c
index fce86f17dffc..373b796132f2 100644
--- a/drivers/media/platform/davinci/vpss.c
+++ b/drivers/media/platform/davinci/vpss.c
@@ -261,8 +261,8 @@ static int dm355_enable_clock(enum vpss_clock_sel clock_sel, int en)
 		shift = 6;
 		break;
 	default:
-		printk(KERN_ERR "dm355_enable_clock:"
-				" Invalid selector: %d\n", clock_sel);
+		printk(KERN_ERR "dm355_enable_clock: Invalid selector: %d\n",
+		       clock_sel);
 		return -EINVAL;
 	}
 
@@ -421,8 +421,7 @@ static int vpss_probe(struct platform_device *pdev)
 	else if (!strcmp(platform_name, "dm644x_vpss"))
 		oper_cfg.platform = DM644X;
 	else {
-		dev_err(&pdev->dev, "vpss driver not supported on"
-			" this platform\n");
+		dev_err(&pdev->dev, "vpss driver not supported on this platform\n");
 		return -ENODEV;
 	}
 
diff --git a/drivers/media/platform/exynos-gsc/gsc-core.c b/drivers/media/platform/exynos-gsc/gsc-core.c
index 787bd16c19e5..cbf75b6194b4 100644
--- a/drivers/media/platform/exynos-gsc/gsc-core.c
+++ b/drivers/media/platform/exynos-gsc/gsc-core.c
@@ -24,12 +24,11 @@
 #include <linux/slab.h>
 #include <linux/clk.h>
 #include <linux/of.h>
+#include <linux/of_device.h>
 #include <media/v4l2-ioctl.h>
 
 #include "gsc-core.h"
 
-#define GSC_CLOCK_GATE_NAME	"gscl"
-
 static const struct gsc_fmt gsc_formats[] = {
 	{
 		.name		= "RGB565",
@@ -39,8 +38,8 @@ static const struct gsc_fmt gsc_formats[] = {
 		.num_planes	= 1,
 		.num_comp	= 1,
 	}, {
-		.name		= "XRGB-8-8-8-8, 32 bpp",
-		.pixelformat	= V4L2_PIX_FMT_RGB32,
+		.name		= "BGRX-8-8-8-8, 32 bpp",
+		.pixelformat	= V4L2_PIX_FMT_BGR32,
 		.depth		= { 32 },
 		.color		= GSC_RGB,
 		.num_planes	= 1,
@@ -441,7 +440,7 @@ int gsc_try_fmt_mplane(struct gsc_ctx *ctx, struct v4l2_format *f)
 	v4l_bound_align_image(&pix_mp->width, min_w, max_w, mod_x,
 		&pix_mp->height, min_h, max_h, mod_y, 0);
 	if (tmp_w != pix_mp->width || tmp_h != pix_mp->height)
-		pr_info("Image size has been modified from %dx%d to %dx%d",
+		pr_debug("Image size has been modified from %dx%d to %dx%d\n",
 			 tmp_w, tmp_h, pix_mp->width, pix_mp->height);
 
 	pix_mp->num_planes = fmt->num_planes;
@@ -451,12 +450,25 @@ int gsc_try_fmt_mplane(struct gsc_ctx *ctx, struct v4l2_format *f)
 	else /* SD */
 		pix_mp->colorspace = V4L2_COLORSPACE_SMPTE170M;
 
-
 	for (i = 0; i < pix_mp->num_planes; ++i) {
-		int bpl = (pix_mp->width * fmt->depth[i]) >> 3;
-		pix_mp->plane_fmt[i].bytesperline = bpl;
-		pix_mp->plane_fmt[i].sizeimage = bpl * pix_mp->height;
+		struct v4l2_plane_pix_format *plane_fmt = &pix_mp->plane_fmt[i];
+		u32 bpl = plane_fmt->bytesperline;
+
+		if (fmt->num_comp == 1 && /* Packed */
+		    (bpl == 0 || (bpl * 8 / fmt->depth[i]) < pix_mp->width))
+			bpl = pix_mp->width * fmt->depth[i] / 8;
+
+		if (fmt->num_comp > 1 && /* Planar */
+		    (bpl == 0 || bpl < pix_mp->width))
+			bpl = pix_mp->width;
+
+		if (i != 0 && fmt->num_comp == 3)
+			bpl /= 2;
 
+		plane_fmt->bytesperline = bpl;
+		plane_fmt->sizeimage = max(pix_mp->width * pix_mp->height *
+					   fmt->depth[i] / 8,
+					   plane_fmt->sizeimage);
 		pr_debug("[%d]: bpl: %d, sizeimage: %d",
 				i, bpl, pix_mp->plane_fmt[i].sizeimage);
 	}
@@ -964,7 +976,19 @@ static struct gsc_driverdata gsc_v_100_drvdata = {
 		[3] = &gsc_v_100_variant,
 	},
 	.num_entities = 4,
-	.lclk_frequency = 266000000UL,
+	.clk_names = { "gscl" },
+	.num_clocks = 1,
+};
+
+static struct gsc_driverdata gsc_5433_drvdata = {
+	.variant = {
+		[0] = &gsc_v_100_variant,
+		[1] = &gsc_v_100_variant,
+		[2] = &gsc_v_100_variant,
+	},
+	.num_entities = 3,
+	.clk_names = { "pclk", "aclk", "aclk_xiu", "aclk_gsclbend" },
+	.num_clocks = 4,
 };
 
 static const struct of_device_id exynos_gsc_match[] = {
@@ -972,98 +996,22 @@ static const struct of_device_id exynos_gsc_match[] = {
 		.compatible = "samsung,exynos5-gsc",
 		.data = &gsc_v_100_drvdata,
 	},
+	{
+		.compatible = "samsung,exynos5433-gsc",
+		.data = &gsc_5433_drvdata,
+	},
 	{},
 };
 MODULE_DEVICE_TABLE(of, exynos_gsc_match);
 
-static void *gsc_get_drv_data(struct platform_device *pdev)
-{
-	struct gsc_driverdata *driver_data = NULL;
-	const struct of_device_id *match;
-
-	match = of_match_node(exynos_gsc_match, pdev->dev.of_node);
-	if (match)
-		driver_data = (struct gsc_driverdata *)match->data;
-
-	return driver_data;
-}
-
-static void gsc_clk_put(struct gsc_dev *gsc)
-{
-	if (!IS_ERR(gsc->clock))
-		clk_unprepare(gsc->clock);
-}
-
-static int gsc_clk_get(struct gsc_dev *gsc)
-{
-	int ret;
-
-	dev_dbg(&gsc->pdev->dev, "gsc_clk_get Called\n");
-
-	gsc->clock = devm_clk_get(&gsc->pdev->dev, GSC_CLOCK_GATE_NAME);
-	if (IS_ERR(gsc->clock)) {
-		dev_err(&gsc->pdev->dev, "failed to get clock~~~: %s\n",
-			GSC_CLOCK_GATE_NAME);
-		return PTR_ERR(gsc->clock);
-	}
-
-	ret = clk_prepare(gsc->clock);
-	if (ret < 0) {
-		dev_err(&gsc->pdev->dev, "clock prepare failed for clock: %s\n",
-			GSC_CLOCK_GATE_NAME);
-		gsc->clock = ERR_PTR(-EINVAL);
-		return ret;
-	}
-
-	return 0;
-}
-
-static int gsc_m2m_suspend(struct gsc_dev *gsc)
-{
-	unsigned long flags;
-	int timeout;
-
-	spin_lock_irqsave(&gsc->slock, flags);
-	if (!gsc_m2m_pending(gsc)) {
-		spin_unlock_irqrestore(&gsc->slock, flags);
-		return 0;
-	}
-	clear_bit(ST_M2M_SUSPENDED, &gsc->state);
-	set_bit(ST_M2M_SUSPENDING, &gsc->state);
-	spin_unlock_irqrestore(&gsc->slock, flags);
-
-	timeout = wait_event_timeout(gsc->irq_queue,
-			     test_bit(ST_M2M_SUSPENDED, &gsc->state),
-			     GSC_SHUTDOWN_TIMEOUT);
-
-	clear_bit(ST_M2M_SUSPENDING, &gsc->state);
-	return timeout == 0 ? -EAGAIN : 0;
-}
-
-static int gsc_m2m_resume(struct gsc_dev *gsc)
-{
-	struct gsc_ctx *ctx;
-	unsigned long flags;
-
-	spin_lock_irqsave(&gsc->slock, flags);
-	/* Clear for full H/W setup in first run after resume */
-	ctx = gsc->m2m.ctx;
-	gsc->m2m.ctx = NULL;
-	spin_unlock_irqrestore(&gsc->slock, flags);
-
-	if (test_and_clear_bit(ST_M2M_SUSPENDED, &gsc->state))
-		gsc_m2m_job_finish(ctx, VB2_BUF_STATE_ERROR);
-
-	return 0;
-}
-
 static int gsc_probe(struct platform_device *pdev)
 {
 	struct gsc_dev *gsc;
 	struct resource *res;
-	struct gsc_driverdata *drv_data = gsc_get_drv_data(pdev);
 	struct device *dev = &pdev->dev;
+	const struct gsc_driverdata *drv_data = of_device_get_match_data(dev);
 	int ret;
+	int i;
 
 	gsc = devm_kzalloc(dev, sizeof(struct gsc_dev), GFP_KERNEL);
 	if (!gsc)
@@ -1079,13 +1027,13 @@ static int gsc_probe(struct platform_device *pdev)
 		return -EINVAL;
 	}
 
+	gsc->num_clocks = drv_data->num_clocks;
 	gsc->variant = drv_data->variant[gsc->id];
 	gsc->pdev = pdev;
 
 	init_waitqueue_head(&gsc->irq_queue);
 	spin_lock_init(&gsc->slock);
 	mutex_init(&gsc->lock);
-	gsc->clock = ERR_PTR(-EINVAL);
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	gsc->regs = devm_ioremap_resource(dev, res);
@@ -1098,9 +1046,25 @@ static int gsc_probe(struct platform_device *pdev)
 		return -ENXIO;
 	}
 
-	ret = gsc_clk_get(gsc);
-	if (ret)
-		return ret;
+	for (i = 0; i < gsc->num_clocks; i++) {
+		gsc->clock[i] = devm_clk_get(dev, drv_data->clk_names[i]);
+		if (IS_ERR(gsc->clock[i])) {
+			dev_err(dev, "failed to get clock: %s\n",
+				drv_data->clk_names[i]);
+			return PTR_ERR(gsc->clock[i]);
+		}
+	}
+
+	for (i = 0; i < gsc->num_clocks; i++) {
+		ret = clk_prepare_enable(gsc->clock[i]);
+		if (ret) {
+			dev_err(dev, "clock prepare failed for clock: %s\n",
+				drv_data->clk_names[i]);
+			while (--i >= 0)
+				clk_disable_unprepare(gsc->clock[i]);
+			return ret;
+		}
+	}
 
 	ret = devm_request_irq(dev, res->start, gsc_irq_handler,
 				0, pdev->name, gsc);
@@ -1118,114 +1082,131 @@ static int gsc_probe(struct platform_device *pdev)
 		goto err_v4l2;
 
 	platform_set_drvdata(pdev, gsc);
-	pm_runtime_enable(dev);
-	ret = pm_runtime_get_sync(&pdev->dev);
-	if (ret < 0)
-		goto err_m2m;
+
+	gsc_hw_set_sw_reset(gsc);
+	gsc_wait_reset(gsc);
 
 	vb2_dma_contig_set_max_seg_size(dev, DMA_BIT_MASK(32));
 
 	dev_dbg(dev, "gsc-%d registered successfully\n", gsc->id);
 
-	pm_runtime_put(dev);
+	pm_runtime_set_active(dev);
+	pm_runtime_enable(dev);
+
 	return 0;
 
-err_m2m:
-	gsc_unregister_m2m_device(gsc);
 err_v4l2:
 	v4l2_device_unregister(&gsc->v4l2_dev);
 err_clk:
-	gsc_clk_put(gsc);
+	for (i = gsc->num_clocks - 1; i >= 0; i--)
+		clk_disable_unprepare(gsc->clock[i]);
 	return ret;
 }
 
 static int gsc_remove(struct platform_device *pdev)
 {
 	struct gsc_dev *gsc = platform_get_drvdata(pdev);
+	int i;
+
+	pm_runtime_get_sync(&pdev->dev);
 
 	gsc_unregister_m2m_device(gsc);
 	v4l2_device_unregister(&gsc->v4l2_dev);
 
 	vb2_dma_contig_clear_max_seg_size(&pdev->dev);
-	pm_runtime_disable(&pdev->dev);
-	gsc_clk_put(gsc);
+	for (i = 0; i < gsc->num_clocks; i++)
+		clk_disable_unprepare(gsc->clock[i]);
+
+	pm_runtime_put_noidle(&pdev->dev);
 
 	dev_dbg(&pdev->dev, "%s driver unloaded\n", pdev->name);
 	return 0;
 }
 
-static int gsc_runtime_resume(struct device *dev)
+#ifdef CONFIG_PM
+static int gsc_m2m_suspend(struct gsc_dev *gsc)
 {
-	struct gsc_dev *gsc = dev_get_drvdata(dev);
-	int ret = 0;
-
-	pr_debug("gsc%d: state: 0x%lx", gsc->id, gsc->state);
+	unsigned long flags;
+	int timeout;
 
-	ret = clk_enable(gsc->clock);
-	if (ret)
-		return ret;
+	spin_lock_irqsave(&gsc->slock, flags);
+	if (!gsc_m2m_pending(gsc)) {
+		spin_unlock_irqrestore(&gsc->slock, flags);
+		return 0;
+	}
+	clear_bit(ST_M2M_SUSPENDED, &gsc->state);
+	set_bit(ST_M2M_SUSPENDING, &gsc->state);
+	spin_unlock_irqrestore(&gsc->slock, flags);
 
-	gsc_hw_set_sw_reset(gsc);
-	gsc_wait_reset(gsc);
+	timeout = wait_event_timeout(gsc->irq_queue,
+			     test_bit(ST_M2M_SUSPENDED, &gsc->state),
+			     GSC_SHUTDOWN_TIMEOUT);
 
-	return gsc_m2m_resume(gsc);
+	clear_bit(ST_M2M_SUSPENDING, &gsc->state);
+	return timeout == 0 ? -EAGAIN : 0;
 }
 
-static int gsc_runtime_suspend(struct device *dev)
+static void gsc_m2m_resume(struct gsc_dev *gsc)
 {
-	struct gsc_dev *gsc = dev_get_drvdata(dev);
-	int ret = 0;
+	struct gsc_ctx *ctx;
+	unsigned long flags;
 
-	ret = gsc_m2m_suspend(gsc);
-	if (!ret)
-		clk_disable(gsc->clock);
+	spin_lock_irqsave(&gsc->slock, flags);
+	/* Clear for full H/W setup in first run after resume */
+	ctx = gsc->m2m.ctx;
+	gsc->m2m.ctx = NULL;
+	spin_unlock_irqrestore(&gsc->slock, flags);
 
-	pr_debug("gsc%d: state: 0x%lx", gsc->id, gsc->state);
-	return ret;
+	if (test_and_clear_bit(ST_M2M_SUSPENDED, &gsc->state))
+		gsc_m2m_job_finish(ctx, VB2_BUF_STATE_ERROR);
 }
 
-static int gsc_resume(struct device *dev)
+static int gsc_runtime_resume(struct device *dev)
 {
 	struct gsc_dev *gsc = dev_get_drvdata(dev);
-	unsigned long flags;
+	int ret = 0;
+	int i;
 
-	pr_debug("gsc%d: state: 0x%lx", gsc->id, gsc->state);
+	pr_debug("gsc%d: state: 0x%lx\n", gsc->id, gsc->state);
 
-	/* Do not resume if the device was idle before system suspend */
-	spin_lock_irqsave(&gsc->slock, flags);
-	if (!test_and_clear_bit(ST_SUSPEND, &gsc->state) ||
-	    !gsc_m2m_opened(gsc)) {
-		spin_unlock_irqrestore(&gsc->slock, flags);
-		return 0;
+	for (i = 0; i < gsc->num_clocks; i++) {
+		ret = clk_prepare_enable(gsc->clock[i]);
+		if (ret) {
+			while (--i >= 0)
+				clk_disable_unprepare(gsc->clock[i]);
+			return ret;
+		}
 	}
-	spin_unlock_irqrestore(&gsc->slock, flags);
 
-	if (!pm_runtime_suspended(dev))
-		return gsc_runtime_resume(dev);
+	gsc_hw_set_sw_reset(gsc);
+	gsc_wait_reset(gsc);
+	gsc_m2m_resume(gsc);
 
 	return 0;
 }
 
-static int gsc_suspend(struct device *dev)
+static int gsc_runtime_suspend(struct device *dev)
 {
 	struct gsc_dev *gsc = dev_get_drvdata(dev);
+	int ret = 0;
+	int i;
 
-	pr_debug("gsc%d: state: 0x%lx", gsc->id, gsc->state);
-
-	if (test_and_set_bit(ST_SUSPEND, &gsc->state))
-		return 0;
+	ret = gsc_m2m_suspend(gsc);
+	if (ret)
+		return ret;
 
-	if (!pm_runtime_suspended(dev))
-		return gsc_runtime_suspend(dev);
+	for (i = gsc->num_clocks - 1; i >= 0; i--)
+		clk_disable_unprepare(gsc->clock[i]);
 
-	return 0;
+	pr_debug("gsc%d: state: 0x%lx\n", gsc->id, gsc->state);
+	return ret;
 }
+#endif
 
 static const struct dev_pm_ops gsc_pm_ops = {
-	.suspend		= gsc_suspend,
-	.resume			= gsc_resume,
-	.runtime_suspend	= gsc_runtime_suspend,
-	.runtime_resume		= gsc_runtime_resume,
+	SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
+				pm_runtime_force_resume)
+	SET_RUNTIME_PM_OPS(gsc_runtime_suspend, gsc_runtime_resume, NULL)
 };
 
 static struct platform_driver gsc_driver = {
diff --git a/drivers/media/platform/exynos-gsc/gsc-core.h b/drivers/media/platform/exynos-gsc/gsc-core.h
index 7ad7b9dc2243..696217e9af66 100644
--- a/drivers/media/platform/exynos-gsc/gsc-core.h
+++ b/drivers/media/platform/exynos-gsc/gsc-core.h
@@ -33,6 +33,7 @@
 
 #define GSC_SHUTDOWN_TIMEOUT		((100*HZ)/1000)
 #define GSC_MAX_DEVS			4
+#define GSC_MAX_CLOCKS			4
 #define GSC_M2M_BUF_NUM			0
 #define GSC_MAX_CTRL_NUM		10
 #define GSC_SC_ALIGN_4			4
@@ -48,9 +49,6 @@
 #define	GSC_CTX_ABORT			(1 << 7)
 
 enum gsc_dev_flags {
-	/* for global */
-	ST_SUSPEND,
-
 	/* for m2m node */
 	ST_M2M_OPEN,
 	ST_M2M_RUN,
@@ -306,12 +304,12 @@ struct gsc_variant {
  * struct gsc_driverdata - per device type driver data for init time.
  *
  * @variant: the variant information for this driver.
- * @lclk_frequency: G-Scaler clock frequency
  * @num_entities: the number of g-scalers
  */
 struct gsc_driverdata {
 	struct gsc_variant *variant[GSC_MAX_DEVS];
-	unsigned long	lclk_frequency;
+	const char	*clk_names[GSC_MAX_CLOCKS];
+	int		num_clocks;
 	int		num_entities;
 };
 
@@ -335,7 +333,8 @@ struct gsc_dev {
 	struct platform_device		*pdev;
 	struct gsc_variant		*variant;
 	u16				id;
-	struct clk			*clock;
+	int				num_clocks;
+	struct clk			*clock[GSC_MAX_CLOCKS];
 	void __iomem			*regs;
 	wait_queue_head_t		irq_queue;
 	struct gsc_m2m_device		m2m;
diff --git a/drivers/media/platform/exynos-gsc/gsc-m2m.c b/drivers/media/platform/exynos-gsc/gsc-m2m.c
index 9f03b791b711..f49f24b4462a 100644
--- a/drivers/media/platform/exynos-gsc/gsc-m2m.c
+++ b/drivers/media/platform/exynos-gsc/gsc-m2m.c
@@ -66,12 +66,29 @@ static int gsc_m2m_start_streaming(struct vb2_queue *q, unsigned int count)
 	return ret > 0 ? 0 : ret;
 }
 
+static void __gsc_m2m_cleanup_queue(struct gsc_ctx *ctx)
+{
+	struct vb2_v4l2_buffer *src_vb, *dst_vb;
+
+	while (v4l2_m2m_num_src_bufs_ready(ctx->m2m_ctx) > 0) {
+		src_vb = v4l2_m2m_src_buf_remove(ctx->m2m_ctx);
+		v4l2_m2m_buf_done(src_vb, VB2_BUF_STATE_ERROR);
+	}
+
+	while (v4l2_m2m_num_dst_bufs_ready(ctx->m2m_ctx) > 0) {
+		dst_vb = v4l2_m2m_dst_buf_remove(ctx->m2m_ctx);
+		v4l2_m2m_buf_done(dst_vb, VB2_BUF_STATE_ERROR);
+	}
+}
+
 static void gsc_m2m_stop_streaming(struct vb2_queue *q)
 {
 	struct gsc_ctx *ctx = q->drv_priv;
 
 	__gsc_m2m_job_abort(ctx);
 
+	__gsc_m2m_cleanup_queue(ctx);
+
 	pm_runtime_put(&ctx->gsc_dev->pdev->dev);
 }
 
@@ -365,14 +382,8 @@ static int gsc_m2m_reqbufs(struct file *file, void *fh,
 
 	max_cnt = (reqbufs->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) ?
 		gsc->variant->in_buf_cnt : gsc->variant->out_buf_cnt;
-	if (reqbufs->count > max_cnt) {
+	if (reqbufs->count > max_cnt)
 		return -EINVAL;
-	} else if (reqbufs->count == 0) {
-		if (reqbufs->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
-			gsc_ctx_state_lock_clear(GSC_SRC_FMT, ctx);
-		else
-			gsc_ctx_state_lock_clear(GSC_DST_FMT, ctx);
-	}
 
 	return v4l2_m2m_reqbufs(file, ctx->m2m_ctx, reqbufs);
 }
@@ -766,30 +777,29 @@ int gsc_register_m2m_device(struct gsc_dev *gsc)
 	gsc->m2m.m2m_dev = v4l2_m2m_init(&gsc_m2m_ops);
 	if (IS_ERR(gsc->m2m.m2m_dev)) {
 		dev_err(&pdev->dev, "failed to initialize v4l2-m2m device\n");
-		ret = PTR_ERR(gsc->m2m.m2m_dev);
-		goto err_m2m_r1;
+		return PTR_ERR(gsc->m2m.m2m_dev);
 	}
 
 	ret = video_register_device(&gsc->vdev, VFL_TYPE_GRABBER, -1);
 	if (ret) {
 		dev_err(&pdev->dev,
 			 "%s(): failed to register video device\n", __func__);
-		goto err_m2m_r2;
+		goto err_m2m_release;
 	}
 
 	pr_debug("gsc m2m driver registered as /dev/video%d", gsc->vdev.num);
 	return 0;
 
-err_m2m_r2:
+err_m2m_release:
 	v4l2_m2m_release(gsc->m2m.m2m_dev);
-err_m2m_r1:
-	video_device_release(gsc->m2m.vfd);
 
 	return ret;
 }
 
 void gsc_unregister_m2m_device(struct gsc_dev *gsc)
 {
-	if (gsc)
+	if (gsc) {
 		v4l2_m2m_release(gsc->m2m.m2m_dev);
+		video_unregister_device(&gsc->vdev);
+	}
 }
diff --git a/drivers/media/platform/exynos4-is/fimc-core.c b/drivers/media/platform/exynos4-is/fimc-core.c
index 8f89ca21b631..099c735a39b7 100644
--- a/drivers/media/platform/exynos4-is/fimc-core.c
+++ b/drivers/media/platform/exynos4-is/fimc-core.c
@@ -736,6 +736,7 @@ void fimc_adjust_mplane_format(struct fimc_fmt *fmt, u32 width, u32 height,
 	for (i = 0; i < pix->num_planes; ++i) {
 		struct v4l2_plane_pix_format *plane_fmt = &pix->plane_fmt[i];
 		u32 bpl = plane_fmt->bytesperline;
+		u32 sizeimage;
 
 		if (fmt->colplanes > 1 && (bpl == 0 || bpl < pix->width))
 			bpl = pix->width; /* Planar */
@@ -755,8 +756,17 @@ void fimc_adjust_mplane_format(struct fimc_fmt *fmt, u32 width, u32 height,
 			bytesperline /= 2;
 
 		plane_fmt->bytesperline = bytesperline;
-		plane_fmt->sizeimage = max((pix->width * pix->height *
-				   fmt->depth[i]) / 8, plane_fmt->sizeimage);
+		sizeimage = pix->width * pix->height * fmt->depth[i] / 8;
+
+		/* Ensure full last row for tiled formats */
+		if (tiled_fmt(fmt)) {
+			/* 64 * 32 * plane_fmt->bytesperline / 64 */
+			u32 row_size = plane_fmt->bytesperline * 32;
+
+			sizeimage = roundup(sizeimage, row_size);
+		}
+
+		plane_fmt->sizeimage = max(sizeimage, plane_fmt->sizeimage);
 	}
 }
 
diff --git a/drivers/media/platform/exynos4-is/media-dev.c b/drivers/media/platform/exynos4-is/media-dev.c
index 1a1154a9dfa4..e3a8709138fa 100644
--- a/drivers/media/platform/exynos4-is/media-dev.c
+++ b/drivers/media/platform/exynos4-is/media-dev.c
@@ -938,8 +938,7 @@ static int fimc_md_create_links(struct fimc_md *fmd)
 
 			csis = fmd->csis[pdata->mux_id].sd;
 			if (WARN(csis == NULL,
-				 "MIPI-CSI interface specified "
-				 "but s5p-csis module is not loaded!\n"))
+				 "MIPI-CSI interface specified but s5p-csis module is not loaded!\n"))
 				return -EINVAL;
 
 			pad = sensor->entity.num_pads - 1;
diff --git a/drivers/media/platform/marvell-ccic/mcam-core.c b/drivers/media/platform/marvell-ccic/mcam-core.c
index af59bf4dca2d..a8bda6679422 100644
--- a/drivers/media/platform/marvell-ccic/mcam-core.c
+++ b/drivers/media/platform/marvell-ccic/mcam-core.c
@@ -49,24 +49,17 @@
 static bool alloc_bufs_at_read;
 module_param(alloc_bufs_at_read, bool, 0444);
 MODULE_PARM_DESC(alloc_bufs_at_read,
-		"Non-zero value causes DMA buffers to be allocated when the "
-		"video capture device is read, rather than at module load "
-		"time.  This saves memory, but decreases the chances of "
-		"successfully getting those buffers.  This parameter is "
-		"only used in the vmalloc buffer mode");
+		"Non-zero value causes DMA buffers to be allocated when the video capture device is read, rather than at module load time.  This saves memory, but decreases the chances of successfully getting those buffers.  This parameter is only used in the vmalloc buffer mode");
 
 static int n_dma_bufs = 3;
 module_param(n_dma_bufs, uint, 0644);
 MODULE_PARM_DESC(n_dma_bufs,
-		"The number of DMA buffers to allocate.  Can be either two "
-		"(saves memory, makes timing tighter) or three.");
+		"The number of DMA buffers to allocate.  Can be either two (saves memory, makes timing tighter) or three.");
 
 static int dma_buf_size = VGA_WIDTH * VGA_HEIGHT * 2;  /* Worst case */
 module_param(dma_buf_size, uint, 0444);
 MODULE_PARM_DESC(dma_buf_size,
-		"The size of the allocated DMA buffers.  If actual operating "
-		"parameters require larger buffers, an attempt to reallocate "
-		"will be made.");
+		"The size of the allocated DMA buffers.  If actual operating parameters require larger buffers, an attempt to reallocate will be made.");
 #else /* MCAM_MODE_VMALLOC */
 static const bool alloc_bufs_at_read;
 static const int n_dma_bufs = 3;  /* Used by S/G_PARM */
@@ -75,15 +68,12 @@ static const int n_dma_bufs = 3;  /* Used by S/G_PARM */
 static bool flip;
 module_param(flip, bool, 0444);
 MODULE_PARM_DESC(flip,
-		"If set, the sensor will be instructed to flip the image "
-		"vertically.");
+		"If set, the sensor will be instructed to flip the image vertically.");
 
 static int buffer_mode = -1;
 module_param(buffer_mode, int, 0444);
 MODULE_PARM_DESC(buffer_mode,
-		"Set the buffer mode to be used; default is to go with what "
-		"the platform driver asks for.  Set to 0 for vmalloc, 1 for "
-		"DMA contiguous.");
+		"Set the buffer mode to be used; default is to go with what the platform driver asks for.  Set to 0 for vmalloc, 1 for DMA contiguous.");
 
 /*
  * Status flags.  Always manipulated with bit operations.
@@ -1759,8 +1749,7 @@ int mccic_register(struct mcam_camera *cam)
 		cam->buffer_mode = buffer_mode;
 	if (cam->buffer_mode == B_DMA_sg &&
 			cam->chip_id == MCAM_CAFE) {
-		printk(KERN_ERR "marvell-cam: Cafe can't do S/G I/O, "
-			"attempting vmalloc mode instead\n");
+		printk(KERN_ERR "marvell-cam: Cafe can't do S/G I/O, attempting vmalloc mode instead\n");
 		cam->buffer_mode = B_vmalloc;
 	}
 	if (!mcam_buffer_mode_supported(cam->buffer_mode)) {
@@ -1828,8 +1817,7 @@ int mccic_register(struct mcam_camera *cam)
 	 */
 	if (cam->buffer_mode == B_vmalloc && !alloc_bufs_at_read) {
 		if (mcam_alloc_dma_bufs(cam, 1))
-			cam_warn(cam, "Unable to alloc DMA buffers at load"
-					" will try again later.");
+			cam_warn(cam, "Unable to alloc DMA buffers at load will try again later.");
 	}
 
 	mutex_unlock(&cam->s_mutex);
diff --git a/drivers/media/platform/mtk-mdp/Makefile b/drivers/media/platform/mtk-mdp/Makefile
new file mode 100644
index 000000000000..f8025699af99
--- /dev/null
+++ b/drivers/media/platform/mtk-mdp/Makefile
@@ -0,0 +1,9 @@
+mtk-mdp-y += mtk_mdp_core.o
+mtk-mdp-y += mtk_mdp_comp.o
+mtk-mdp-y += mtk_mdp_m2m.o
+mtk-mdp-y += mtk_mdp_regs.o
+mtk-mdp-y += mtk_mdp_vpu.o
+
+obj-$(CONFIG_VIDEO_MEDIATEK_MDP) += mtk-mdp.o
+
+ccflags-y += -I$(srctree)/drivers/media/platform/mtk-vpu
diff --git a/drivers/media/platform/mtk-mdp/mtk_mdp_comp.c b/drivers/media/platform/mtk-mdp/mtk_mdp_comp.c
new file mode 100644
index 000000000000..aa8f9fd1f1a2
--- /dev/null
+++ b/drivers/media/platform/mtk-mdp/mtk_mdp_comp.c
@@ -0,0 +1,159 @@
+/*
+ * Copyright (c) 2016 MediaTek Inc.
+ * Author: Ming Hsiu Tsai <minghsiu.tsai@mediatek.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/clk.h>
+#include <linux/device.h>
+#include <linux/of.h>
+#include <linux/of_address.h>
+#include <linux/of_platform.h>
+#include <soc/mediatek/smi.h>
+
+#include "mtk_mdp_comp.h"
+
+
+static const char * const mtk_mdp_comp_stem[MTK_MDP_COMP_TYPE_MAX] = {
+	"mdp_rdma",
+	"mdp_rsz",
+	"mdp_wdma",
+	"mdp_wrot",
+};
+
+struct mtk_mdp_comp_match {
+	enum mtk_mdp_comp_type type;
+	int alias_id;
+};
+
+static const struct mtk_mdp_comp_match mtk_mdp_matches[MTK_MDP_COMP_ID_MAX] = {
+	{ MTK_MDP_RDMA,	0 },
+	{ MTK_MDP_RDMA,	1 },
+	{ MTK_MDP_RSZ,	0 },
+	{ MTK_MDP_RSZ,	1 },
+	{ MTK_MDP_RSZ,	2 },
+	{ MTK_MDP_WDMA,	0 },
+	{ MTK_MDP_WROT,	0 },
+	{ MTK_MDP_WROT,	1 },
+};
+
+int mtk_mdp_comp_get_id(struct device *dev, struct device_node *node,
+			enum mtk_mdp_comp_type comp_type)
+{
+	int id = of_alias_get_id(node, mtk_mdp_comp_stem[comp_type]);
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(mtk_mdp_matches); i++) {
+		if (comp_type == mtk_mdp_matches[i].type &&
+		    id == mtk_mdp_matches[i].alias_id)
+			return i;
+	}
+
+	dev_err(dev, "Failed to get id. type: %d, id: %d\n", comp_type, id);
+
+	return -EINVAL;
+}
+
+void mtk_mdp_comp_clock_on(struct device *dev, struct mtk_mdp_comp *comp)
+{
+	int i, err;
+
+	if (comp->larb_dev) {
+		err = mtk_smi_larb_get(comp->larb_dev);
+		if (err)
+			dev_err(dev,
+				"failed to get larb, err %d. type:%d id:%d\n",
+				err, comp->type, comp->id);
+	}
+
+	for (i = 0; i < ARRAY_SIZE(comp->clk); i++) {
+		if (!comp->clk[i])
+			continue;
+		err = clk_prepare_enable(comp->clk[i]);
+		if (err)
+			dev_err(dev,
+			"failed to enable clock, err %d. type:%d id:%d i:%d\n",
+				err, comp->type, comp->id, i);
+	}
+}
+
+void mtk_mdp_comp_clock_off(struct device *dev, struct mtk_mdp_comp *comp)
+{
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(comp->clk); i++) {
+		if (!comp->clk[i])
+			continue;
+		clk_disable_unprepare(comp->clk[i]);
+	}
+
+	if (comp->larb_dev)
+		mtk_smi_larb_put(comp->larb_dev);
+}
+
+int mtk_mdp_comp_init(struct device *dev, struct device_node *node,
+		      struct mtk_mdp_comp *comp, enum mtk_mdp_comp_id comp_id)
+{
+	struct device_node *larb_node;
+	struct platform_device *larb_pdev;
+	int i;
+
+	if (comp_id < 0 || comp_id >= MTK_MDP_COMP_ID_MAX) {
+		dev_err(dev, "Invalid comp_id %d\n", comp_id);
+		return -EINVAL;
+	}
+
+	comp->dev_node = of_node_get(node);
+	comp->id = comp_id;
+	comp->type = mtk_mdp_matches[comp_id].type;
+	comp->regs = of_iomap(node, 0);
+
+	for (i = 0; i < ARRAY_SIZE(comp->clk); i++) {
+		comp->clk[i] = of_clk_get(node, i);
+
+		/* Only RDMA needs two clocks */
+		if (comp->type != MTK_MDP_RDMA)
+			break;
+	}
+
+	/* Only DMA capable components need the LARB property */
+	comp->larb_dev = NULL;
+	if (comp->type != MTK_MDP_RDMA &&
+	    comp->type != MTK_MDP_WDMA &&
+	    comp->type != MTK_MDP_WROT)
+		return 0;
+
+	larb_node = of_parse_phandle(node, "mediatek,larb", 0);
+	if (!larb_node) {
+		dev_err(dev,
+			"Missing mediadek,larb phandle in %s node\n",
+			node->full_name);
+		return -EINVAL;
+	}
+
+	larb_pdev = of_find_device_by_node(larb_node);
+	if (!larb_pdev) {
+		dev_warn(dev, "Waiting for larb device %s\n",
+			 larb_node->full_name);
+		of_node_put(larb_node);
+		return -EPROBE_DEFER;
+	}
+	of_node_put(larb_node);
+
+	comp->larb_dev = &larb_pdev->dev;
+
+	return 0;
+}
+
+void mtk_mdp_comp_deinit(struct device *dev, struct mtk_mdp_comp *comp)
+{
+	of_node_put(comp->dev_node);
+}
diff --git a/drivers/media/platform/mtk-mdp/mtk_mdp_comp.h b/drivers/media/platform/mtk-mdp/mtk_mdp_comp.h
new file mode 100644
index 000000000000..63b3983ef1a4
--- /dev/null
+++ b/drivers/media/platform/mtk-mdp/mtk_mdp_comp.h
@@ -0,0 +1,72 @@
+/*
+ * Copyright (c) 2016 MediaTek Inc.
+ * Author: Ming Hsiu Tsai <minghsiu.tsai@mediatek.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef __MTK_MDP_COMP_H__
+#define __MTK_MDP_COMP_H__
+
+/**
+ * enum mtk_mdp_comp_type - the MDP component
+ * @MTK_MDP_RDMA:	Read DMA
+ * @MTK_MDP_RSZ:	Riszer
+ * @MTK_MDP_WDMA:	Write DMA
+ * @MTK_MDP_WROT:	Write DMA with rotation
+ */
+enum mtk_mdp_comp_type {
+	MTK_MDP_RDMA,
+	MTK_MDP_RSZ,
+	MTK_MDP_WDMA,
+	MTK_MDP_WROT,
+	MTK_MDP_COMP_TYPE_MAX,
+};
+
+enum mtk_mdp_comp_id {
+	MTK_MDP_COMP_RDMA0,
+	MTK_MDP_COMP_RDMA1,
+	MTK_MDP_COMP_RSZ0,
+	MTK_MDP_COMP_RSZ1,
+	MTK_MDP_COMP_RSZ2,
+	MTK_MDP_COMP_WDMA,
+	MTK_MDP_COMP_WROT0,
+	MTK_MDP_COMP_WROT1,
+	MTK_MDP_COMP_ID_MAX,
+};
+
+/**
+ * struct mtk_mdp_comp - the MDP's function component data
+ * @dev_node:	component device node
+ * @clk:	clocks required for component
+ * @regs:	Mapped address of component registers.
+ * @larb_dev:	SMI device required for component
+ * @type:	component type
+ * @id:		component ID
+ */
+struct mtk_mdp_comp {
+	struct device_node	*dev_node;
+	struct clk		*clk[2];
+	void __iomem		*regs;
+	struct device		*larb_dev;
+	enum mtk_mdp_comp_type	type;
+	enum mtk_mdp_comp_id	id;
+};
+
+int mtk_mdp_comp_init(struct device *dev, struct device_node *node,
+		      struct mtk_mdp_comp *comp, enum mtk_mdp_comp_id comp_id);
+void mtk_mdp_comp_deinit(struct device *dev, struct mtk_mdp_comp *comp);
+int mtk_mdp_comp_get_id(struct device *dev, struct device_node *node,
+			enum mtk_mdp_comp_type comp_type);
+void mtk_mdp_comp_clock_on(struct device *dev, struct mtk_mdp_comp *comp);
+void mtk_mdp_comp_clock_off(struct device *dev, struct mtk_mdp_comp *comp);
+
+
+#endif /* __MTK_MDP_COMP_H__ */
diff --git a/drivers/media/platform/mtk-mdp/mtk_mdp_core.c b/drivers/media/platform/mtk-mdp/mtk_mdp_core.c
new file mode 100644
index 000000000000..9e4eb7dcc424
--- /dev/null
+++ b/drivers/media/platform/mtk-mdp/mtk_mdp_core.c
@@ -0,0 +1,290 @@
+/*
+ * Copyright (c) 2015-2016 MediaTek Inc.
+ * Author: Houlong Wei <houlong.wei@mediatek.com>
+ *         Ming Hsiu Tsai <minghsiu.tsai@mediatek.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/clk.h>
+#include <linux/device.h>
+#include <linux/errno.h>
+#include <linux/interrupt.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/of_address.h>
+#include <linux/of_platform.h>
+#include <linux/platform_device.h>
+#include <linux/pm_runtime.h>
+#include <linux/workqueue.h>
+#include <soc/mediatek/smi.h>
+
+#include "mtk_mdp_core.h"
+#include "mtk_mdp_m2m.h"
+#include "mtk_vpu.h"
+
+/* MDP debug log level (0-3). 3 shows all the logs. */
+int mtk_mdp_dbg_level;
+EXPORT_SYMBOL(mtk_mdp_dbg_level);
+
+module_param(mtk_mdp_dbg_level, int, 0644);
+
+static const struct of_device_id mtk_mdp_comp_dt_ids[] = {
+	{
+		.compatible = "mediatek,mt8173-mdp-rdma",
+		.data = (void *)MTK_MDP_RDMA
+	}, {
+		.compatible = "mediatek,mt8173-mdp-rsz",
+		.data = (void *)MTK_MDP_RSZ
+	}, {
+		.compatible = "mediatek,mt8173-mdp-wdma",
+		.data = (void *)MTK_MDP_WDMA
+	}, {
+		.compatible = "mediatek,mt8173-mdp-wrot",
+		.data = (void *)MTK_MDP_WROT
+	},
+	{ },
+};
+
+static const struct of_device_id mtk_mdp_of_ids[] = {
+	{ .compatible = "mediatek,mt8173-mdp", },
+	{ },
+};
+MODULE_DEVICE_TABLE(of, mtk_mdp_of_ids);
+
+static void mtk_mdp_clock_on(struct mtk_mdp_dev *mdp)
+{
+	struct device *dev = &mdp->pdev->dev;
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(mdp->comp); i++)
+		mtk_mdp_comp_clock_on(dev, mdp->comp[i]);
+}
+
+static void mtk_mdp_clock_off(struct mtk_mdp_dev *mdp)
+{
+	struct device *dev = &mdp->pdev->dev;
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(mdp->comp); i++)
+		mtk_mdp_comp_clock_off(dev, mdp->comp[i]);
+}
+
+static void mtk_mdp_wdt_worker(struct work_struct *work)
+{
+	struct mtk_mdp_dev *mdp =
+			container_of(work, struct mtk_mdp_dev, wdt_work);
+	struct mtk_mdp_ctx *ctx;
+
+	mtk_mdp_err("Watchdog timeout");
+
+	list_for_each_entry(ctx, &mdp->ctx_list, list) {
+		mtk_mdp_dbg(0, "[%d] Change as state error", ctx->id);
+		mtk_mdp_ctx_state_lock_set(ctx, MTK_MDP_CTX_ERROR);
+	}
+}
+
+static void mtk_mdp_reset_handler(void *priv)
+{
+	struct mtk_mdp_dev *mdp = priv;
+
+	queue_work(mdp->wdt_wq, &mdp->wdt_work);
+}
+
+static int mtk_mdp_probe(struct platform_device *pdev)
+{
+	struct mtk_mdp_dev *mdp;
+	struct device *dev = &pdev->dev;
+	struct device_node *node;
+	int i, ret = 0;
+
+	mdp = devm_kzalloc(dev, sizeof(*mdp), GFP_KERNEL);
+	if (!mdp)
+		return -ENOMEM;
+
+	mdp->id = pdev->id;
+	mdp->pdev = pdev;
+	INIT_LIST_HEAD(&mdp->ctx_list);
+
+	mutex_init(&mdp->lock);
+	mutex_init(&mdp->vpulock);
+
+	/* Iterate over sibling MDP function blocks */
+	for_each_child_of_node(dev->of_node, node) {
+		const struct of_device_id *of_id;
+		enum mtk_mdp_comp_type comp_type;
+		int comp_id;
+		struct mtk_mdp_comp *comp;
+
+		of_id = of_match_node(mtk_mdp_comp_dt_ids, node);
+		if (!of_id)
+			continue;
+
+		if (!of_device_is_available(node)) {
+			dev_err(dev, "Skipping disabled component %s\n",
+				node->full_name);
+			continue;
+		}
+
+		comp_type = (enum mtk_mdp_comp_type)of_id->data;
+		comp_id = mtk_mdp_comp_get_id(dev, node, comp_type);
+		if (comp_id < 0) {
+			dev_warn(dev, "Skipping unknown component %s\n",
+				 node->full_name);
+			continue;
+		}
+
+		comp = devm_kzalloc(dev, sizeof(*comp), GFP_KERNEL);
+		if (!comp) {
+			ret = -ENOMEM;
+			goto err_comp;
+		}
+		mdp->comp[comp_id] = comp;
+
+		ret = mtk_mdp_comp_init(dev, node, comp, comp_id);
+		if (ret)
+			goto err_comp;
+	}
+
+	mdp->job_wq = create_singlethread_workqueue(MTK_MDP_MODULE_NAME);
+	if (!mdp->job_wq) {
+		dev_err(&pdev->dev, "unable to alloc job workqueue\n");
+		ret = -ENOMEM;
+		goto err_alloc_job_wq;
+	}
+
+	mdp->wdt_wq = create_singlethread_workqueue("mdp_wdt_wq");
+	if (!mdp->wdt_wq) {
+		dev_err(&pdev->dev, "unable to alloc wdt workqueue\n");
+		ret = -ENOMEM;
+		goto err_alloc_wdt_wq;
+	}
+	INIT_WORK(&mdp->wdt_work, mtk_mdp_wdt_worker);
+
+	ret = v4l2_device_register(dev, &mdp->v4l2_dev);
+	if (ret) {
+		dev_err(&pdev->dev, "Failed to register v4l2 device\n");
+		ret = -EINVAL;
+		goto err_dev_register;
+	}
+
+	ret = mtk_mdp_register_m2m_device(mdp);
+	if (ret) {
+		v4l2_err(&mdp->v4l2_dev, "Failed to init mem2mem device\n");
+		goto err_m2m_register;
+	}
+
+	mdp->vpu_dev = vpu_get_plat_device(pdev);
+	vpu_wdt_reg_handler(mdp->vpu_dev, mtk_mdp_reset_handler, mdp,
+			    VPU_RST_MDP);
+
+	platform_set_drvdata(pdev, mdp);
+
+	vb2_dma_contig_set_max_seg_size(&pdev->dev, DMA_BIT_MASK(32));
+
+	pm_runtime_enable(dev);
+	dev_dbg(dev, "mdp-%d registered successfully\n", mdp->id);
+
+	return 0;
+
+err_m2m_register:
+	v4l2_device_unregister(&mdp->v4l2_dev);
+
+err_dev_register:
+	destroy_workqueue(mdp->wdt_wq);
+
+err_alloc_wdt_wq:
+	destroy_workqueue(mdp->job_wq);
+
+err_alloc_job_wq:
+
+err_comp:
+	for (i = 0; i < ARRAY_SIZE(mdp->comp); i++)
+		mtk_mdp_comp_deinit(dev, mdp->comp[i]);
+
+	dev_dbg(dev, "err %d\n", ret);
+	return ret;
+}
+
+static int mtk_mdp_remove(struct platform_device *pdev)
+{
+	struct mtk_mdp_dev *mdp = platform_get_drvdata(pdev);
+	int i;
+
+	pm_runtime_disable(&pdev->dev);
+	vb2_dma_contig_clear_max_seg_size(&pdev->dev);
+	mtk_mdp_unregister_m2m_device(mdp);
+	v4l2_device_unregister(&mdp->v4l2_dev);
+
+	flush_workqueue(mdp->job_wq);
+	destroy_workqueue(mdp->job_wq);
+
+	for (i = 0; i < ARRAY_SIZE(mdp->comp); i++)
+		mtk_mdp_comp_deinit(&pdev->dev, mdp->comp[i]);
+
+	dev_dbg(&pdev->dev, "%s driver unloaded\n", pdev->name);
+	return 0;
+}
+
+static int __maybe_unused mtk_mdp_pm_suspend(struct device *dev)
+{
+	struct mtk_mdp_dev *mdp = dev_get_drvdata(dev);
+
+	mtk_mdp_clock_off(mdp);
+
+	return 0;
+}
+
+static int __maybe_unused mtk_mdp_pm_resume(struct device *dev)
+{
+	struct mtk_mdp_dev *mdp = dev_get_drvdata(dev);
+
+	mtk_mdp_clock_on(mdp);
+
+	return 0;
+}
+
+static int __maybe_unused mtk_mdp_suspend(struct device *dev)
+{
+	if (pm_runtime_suspended(dev))
+		return 0;
+
+	return mtk_mdp_pm_suspend(dev);
+}
+
+static int __maybe_unused mtk_mdp_resume(struct device *dev)
+{
+	if (pm_runtime_suspended(dev))
+		return 0;
+
+	return mtk_mdp_pm_resume(dev);
+}
+
+static const struct dev_pm_ops mtk_mdp_pm_ops = {
+	SET_SYSTEM_SLEEP_PM_OPS(mtk_mdp_suspend, mtk_mdp_resume)
+	SET_RUNTIME_PM_OPS(mtk_mdp_pm_suspend, mtk_mdp_pm_resume, NULL)
+};
+
+static struct platform_driver mtk_mdp_driver = {
+	.probe		= mtk_mdp_probe,
+	.remove		= mtk_mdp_remove,
+	.driver = {
+		.name	= MTK_MDP_MODULE_NAME,
+		.pm	= &mtk_mdp_pm_ops,
+		.of_match_table = mtk_mdp_of_ids,
+	}
+};
+
+module_platform_driver(mtk_mdp_driver);
+
+MODULE_AUTHOR("Houlong Wei <houlong.wei@mediatek.com>");
+MODULE_DESCRIPTION("Mediatek image processor driver");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/media/platform/mtk-mdp/mtk_mdp_core.h b/drivers/media/platform/mtk-mdp/mtk_mdp_core.h
new file mode 100644
index 000000000000..ad1cff306efd
--- /dev/null
+++ b/drivers/media/platform/mtk-mdp/mtk_mdp_core.h
@@ -0,0 +1,260 @@
+/*
+ * Copyright (c) 2015-2016 MediaTek Inc.
+ * Author: Houlong Wei <houlong.wei@mediatek.com>
+ *         Ming Hsiu Tsai <minghsiu.tsai@mediatek.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef __MTK_MDP_CORE_H__
+#define __MTK_MDP_CORE_H__
+
+#include <linux/videodev2.h>
+#include <media/v4l2-ctrls.h>
+#include <media/v4l2-device.h>
+#include <media/v4l2-mem2mem.h>
+#include <media/videobuf2-core.h>
+#include <media/videobuf2-dma-contig.h>
+
+#include "mtk_mdp_vpu.h"
+#include "mtk_mdp_comp.h"
+
+
+#define MTK_MDP_MODULE_NAME		"mtk-mdp"
+
+#define MTK_MDP_SHUTDOWN_TIMEOUT	((100*HZ)/1000) /* 100ms */
+#define MTK_MDP_MAX_CTRL_NUM		10
+
+#define MTK_MDP_FMT_FLAG_OUTPUT		BIT(0)
+#define MTK_MDP_FMT_FLAG_CAPTURE	BIT(1)
+
+#define MTK_MDP_VPU_INIT		BIT(0)
+#define MTK_MDP_SRC_FMT			BIT(1)
+#define MTK_MDP_DST_FMT			BIT(2)
+#define MTK_MDP_CTX_ERROR		BIT(5)
+
+/**
+ *  struct mtk_mdp_pix_align - alignement of image
+ *  @org_w: source alignment of width
+ *  @org_h: source alignment of height
+ *  @target_w: dst alignment of width
+ *  @target_h: dst alignment of height
+ */
+struct mtk_mdp_pix_align {
+	u16 org_w;
+	u16 org_h;
+	u16 target_w;
+	u16 target_h;
+};
+
+/**
+ * struct mtk_mdp_fmt - the driver's internal color format data
+ * @pixelformat: the fourcc code for this format, 0 if not applicable
+ * @num_planes: number of physically non-contiguous data planes
+ * @num_comp: number of logical data planes
+ * @depth: per plane driver's private 'number of bits per pixel'
+ * @row_depth: per plane driver's private 'number of bits per pixel per row'
+ * @flags: flags indicating which operation mode format applies to
+	   MTK_MDP_FMT_FLAG_OUTPUT is used in OUTPUT stream
+	   MTK_MDP_FMT_FLAG_CAPTURE is used in CAPTURE stream
+ * @align: pointer to a pixel alignment struct, NULL if using default value
+ */
+struct mtk_mdp_fmt {
+	u32	pixelformat;
+	u16	num_planes;
+	u16	num_comp;
+	u8	depth[VIDEO_MAX_PLANES];
+	u8	row_depth[VIDEO_MAX_PLANES];
+	u32	flags;
+	struct mtk_mdp_pix_align *align;
+};
+
+/**
+ * struct mtk_mdp_addr - the image processor physical address set
+ * @addr:	address of planes
+ */
+struct mtk_mdp_addr {
+	dma_addr_t addr[MTK_MDP_MAX_NUM_PLANE];
+};
+
+/* struct mtk_mdp_ctrls - the image processor control set
+ * @rotate: rotation degree
+ * @hflip: horizontal flip
+ * @vflip: vertical flip
+ * @global_alpha: the alpha value of current frame
+ */
+struct mtk_mdp_ctrls {
+	struct v4l2_ctrl *rotate;
+	struct v4l2_ctrl *hflip;
+	struct v4l2_ctrl *vflip;
+	struct v4l2_ctrl *global_alpha;
+};
+
+/**
+ * struct mtk_mdp_frame - source/target frame properties
+ * @width:	SRC : SRCIMG_WIDTH, DST : OUTPUTDMA_WHOLE_IMG_WIDTH
+ * @height:	SRC : SRCIMG_HEIGHT, DST : OUTPUTDMA_WHOLE_IMG_HEIGHT
+ * @crop:	cropped(source)/scaled(destination) size
+ * @payload:	image size in bytes (w x h x bpp)
+ * @pitch:	bytes per line of image in memory
+ * @addr:	image frame buffer physical addresses
+ * @fmt:	color format pointer
+ * @alpha:	frame's alpha value
+ */
+struct mtk_mdp_frame {
+	u32				width;
+	u32				height;
+	struct v4l2_rect		crop;
+	unsigned long			payload[VIDEO_MAX_PLANES];
+	unsigned int			pitch[VIDEO_MAX_PLANES];
+	struct mtk_mdp_addr		addr;
+	const struct mtk_mdp_fmt	*fmt;
+	u8				alpha;
+};
+
+/**
+ * struct mtk_mdp_variant - image processor variant information
+ * @pix_max:		maximum limit of image size
+ * @pix_min:		minimun limit of image size
+ * @pix_align:		alignement of image
+ * @h_scale_up_max:	maximum scale-up in horizontal
+ * @v_scale_up_max:	maximum scale-up in vertical
+ * @h_scale_down_max:	maximum scale-down in horizontal
+ * @v_scale_down_max:	maximum scale-down in vertical
+ */
+struct mtk_mdp_variant {
+	struct mtk_mdp_pix_limit	*pix_max;
+	struct mtk_mdp_pix_limit	*pix_min;
+	struct mtk_mdp_pix_align	*pix_align;
+	u16				h_scale_up_max;
+	u16				v_scale_up_max;
+	u16				h_scale_down_max;
+	u16				v_scale_down_max;
+};
+
+/**
+ * struct mtk_mdp_dev - abstraction for image processor entity
+ * @lock:	the mutex protecting this data structure
+ * @vpulock:	the mutex protecting the communication with VPU
+ * @pdev:	pointer to the image processor platform device
+ * @variant:	the IP variant information
+ * @id:		image processor device index (0..MTK_MDP_MAX_DEVS)
+ * @comp:	MDP function components
+ * @m2m_dev:	v4l2 memory-to-memory device data
+ * @ctx_list:	list of struct mtk_mdp_ctx
+ * @vdev:	video device for image processor driver
+ * @v4l2_dev:	V4L2 device to register video devices for.
+ * @job_wq:	processor work queue
+ * @vpu_dev:	VPU platform device
+ * @ctx_num:	counter of active MTK MDP context
+ * @id_counter:	An integer id given to the next opened context
+ * @wdt_wq:	work queue for VPU watchdog
+ * @wdt_work:	worker for VPU watchdog
+ */
+struct mtk_mdp_dev {
+	struct mutex			lock;
+	struct mutex			vpulock;
+	struct platform_device		*pdev;
+	struct mtk_mdp_variant		*variant;
+	u16				id;
+	struct mtk_mdp_comp		*comp[MTK_MDP_COMP_ID_MAX];
+	struct v4l2_m2m_dev		*m2m_dev;
+	struct list_head		ctx_list;
+	struct video_device		*vdev;
+	struct v4l2_device		v4l2_dev;
+	struct workqueue_struct		*job_wq;
+	struct platform_device		*vpu_dev;
+	int				ctx_num;
+	unsigned long			id_counter;
+	struct workqueue_struct		*wdt_wq;
+	struct work_struct		wdt_work;
+};
+
+/**
+ * mtk_mdp_ctx - the device context data
+ * @list:		link to ctx_list of mtk_mdp_dev
+ * @s_frame:		source frame properties
+ * @d_frame:		destination frame properties
+ * @id:			index of the context that this structure describes
+ * @flags:		additional flags for image conversion
+ * @state:		flags to keep track of user configuration
+			Protected by slock
+ * @rotation:		rotates the image by specified angle
+ * @hflip:		mirror the picture horizontally
+ * @vflip:		mirror the picture vertically
+ * @mdp_dev:		the image processor device this context applies to
+ * @m2m_ctx:		memory-to-memory device context
+ * @fh:			v4l2 file handle
+ * @ctrl_handler:	v4l2 controls handler
+ * @ctrls		image processor control set
+ * @ctrls_rdy:		true if the control handler is initialized
+ * @colorspace:		enum v4l2_colorspace; supplemental to pixelformat
+ * @ycbcr_enc:		enum v4l2_ycbcr_encoding, Y'CbCr encoding
+ * @xfer_func:		enum v4l2_xfer_func, colorspace transfer function
+ * @quant:		enum v4l2_quantization, colorspace quantization
+ * @vpu:		VPU instance
+ * @slock:		the mutex protecting mtp_mdp_ctx.state
+ * @work:		worker for image processing
+ */
+struct mtk_mdp_ctx {
+	struct list_head		list;
+	struct mtk_mdp_frame		s_frame;
+	struct mtk_mdp_frame		d_frame;
+	u32				flags;
+	u32				state;
+	int				id;
+	int				rotation;
+	u32				hflip:1;
+	u32				vflip:1;
+	struct mtk_mdp_dev		*mdp_dev;
+	struct v4l2_m2m_ctx		*m2m_ctx;
+	struct v4l2_fh			fh;
+	struct v4l2_ctrl_handler	ctrl_handler;
+	struct mtk_mdp_ctrls		ctrls;
+	bool				ctrls_rdy;
+	enum v4l2_colorspace		colorspace;
+	enum v4l2_ycbcr_encoding	ycbcr_enc;
+	enum v4l2_xfer_func		xfer_func;
+	enum v4l2_quantization		quant;
+
+	struct mtk_mdp_vpu		vpu;
+	struct mutex			slock;
+	struct work_struct		work;
+};
+
+extern int mtk_mdp_dbg_level;
+
+#if defined(DEBUG)
+
+#define mtk_mdp_dbg(level, fmt, args...)				 \
+	do {								 \
+		if (mtk_mdp_dbg_level >= level)				 \
+			pr_info("[MTK_MDP] level=%d %s(),%d: " fmt "\n", \
+				level, __func__, __LINE__, ##args);	 \
+	} while (0)
+
+#define mtk_mdp_err(fmt, args...)					\
+	pr_err("[MTK_MDP][ERROR] %s:%d: " fmt "\n", __func__, __LINE__, \
+	       ##args)
+
+
+#define mtk_mdp_dbg_enter()  mtk_mdp_dbg(3, "+")
+#define mtk_mdp_dbg_leave()  mtk_mdp_dbg(3, "-")
+
+#else
+
+#define mtk_mdp_dbg(level, fmt, args...) {}
+#define mtk_mdp_err(fmt, args...)
+#define mtk_mdp_dbg_enter()
+#define mtk_mdp_dbg_leave()
+
+#endif
+
+#endif /* __MTK_MDP_CORE_H__ */
diff --git a/drivers/media/platform/mtk-mdp/mtk_mdp_ipi.h b/drivers/media/platform/mtk-mdp/mtk_mdp_ipi.h
new file mode 100644
index 000000000000..78e2cc0dead1
--- /dev/null
+++ b/drivers/media/platform/mtk-mdp/mtk_mdp_ipi.h
@@ -0,0 +1,126 @@
+/*
+ * Copyright (c) 2015-2016 MediaTek Inc.
+ * Author: Houlong Wei <houlong.wei@mediatek.com>
+ *         Ming Hsiu Tsai <minghsiu.tsai@mediatek.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef __MTK_MDP_IPI_H__
+#define __MTK_MDP_IPI_H__
+
+#define MTK_MDP_MAX_NUM_PLANE		3
+
+enum mdp_ipi_msgid {
+	AP_MDP_INIT		= 0xd000,
+	AP_MDP_DEINIT		= 0xd001,
+	AP_MDP_PROCESS		= 0xd002,
+
+	VPU_MDP_INIT_ACK	= 0xe000,
+	VPU_MDP_DEINIT_ACK	= 0xe001,
+	VPU_MDP_PROCESS_ACK	= 0xe002
+};
+
+#pragma pack(push, 4)
+
+/**
+ * struct mdp_ipi_init - for AP_MDP_INIT
+ * @msg_id   : AP_MDP_INIT
+ * @ipi_id   : IPI_MDP
+ * @ap_inst  : AP mtk_mdp_vpu address
+ */
+struct mdp_ipi_init {
+	uint32_t msg_id;
+	uint32_t ipi_id;
+	uint64_t ap_inst;
+};
+
+/**
+ * struct mdp_ipi_comm - for AP_MDP_PROCESS, AP_MDP_DEINIT
+ * @msg_id        : AP_MDP_PROCESS, AP_MDP_DEINIT
+ * @ipi_id        : IPI_MDP
+ * @ap_inst       : AP mtk_mdp_vpu address
+ * @vpu_inst_addr : VPU MDP instance address
+ */
+struct mdp_ipi_comm {
+	uint32_t msg_id;
+	uint32_t ipi_id;
+	uint64_t ap_inst;
+	uint32_t vpu_inst_addr;
+};
+
+/**
+ * struct mdp_ipi_comm_ack - for VPU_MDP_DEINIT_ACK, VPU_MDP_PROCESS_ACK
+ * @msg_id        : VPU_MDP_DEINIT_ACK, VPU_MDP_PROCESS_ACK
+ * @ipi_id        : IPI_MDP
+ * @ap_inst       : AP mtk_mdp_vpu address
+ * @vpu_inst_addr : VPU MDP instance address
+ * @status        : VPU exeuction result
+ */
+struct mdp_ipi_comm_ack {
+	uint32_t msg_id;
+	uint32_t ipi_id;
+	uint64_t ap_inst;
+	uint32_t vpu_inst_addr;
+	int32_t status;
+};
+
+/**
+ * struct mdp_config - configured for source/destination image
+ * @x        : left
+ * @y        : top
+ * @w        : width
+ * @h        : height
+ * @w_stride : bytes in horizontal
+ * @h_stride : bytes in vertical
+ * @crop_x   : cropped left
+ * @crop_y   : cropped top
+ * @crop_w   : cropped width
+ * @crop_h   : cropped height
+ * @format   : color format
+ */
+struct mdp_config {
+	int32_t x;
+	int32_t y;
+	int32_t w;
+	int32_t h;
+	int32_t w_stride;
+	int32_t h_stride;
+	int32_t crop_x;
+	int32_t crop_y;
+	int32_t crop_w;
+	int32_t crop_h;
+	int32_t format;
+};
+
+struct mdp_buffer {
+	uint64_t addr_mva[MTK_MDP_MAX_NUM_PLANE];
+	int32_t plane_size[MTK_MDP_MAX_NUM_PLANE];
+	int32_t plane_num;
+};
+
+struct mdp_config_misc {
+	int32_t orientation; /* 0, 90, 180, 270 */
+	int32_t hflip; /* 1 will enable the flip */
+	int32_t vflip; /* 1 will enable the flip */
+	int32_t alpha; /* global alpha */
+};
+
+struct mdp_process_vsi {
+	struct mdp_config src_config;
+	struct mdp_buffer src_buffer;
+	struct mdp_config dst_config;
+	struct mdp_buffer dst_buffer;
+	struct mdp_config_misc misc;
+};
+
+#pragma pack(pop)
+
+#endif /* __MTK_MDP_IPI_H__ */
diff --git a/drivers/media/platform/mtk-mdp/mtk_mdp_m2m.c b/drivers/media/platform/mtk-mdp/mtk_mdp_m2m.c
new file mode 100644
index 000000000000..13afe48b9dc5
--- /dev/null
+++ b/drivers/media/platform/mtk-mdp/mtk_mdp_m2m.c
@@ -0,0 +1,1286 @@
+/*
+ * Copyright (c) 2015-2016 MediaTek Inc.
+ * Author: Houlong Wei <houlong.wei@mediatek.com>
+ *         Ming Hsiu Tsai <minghsiu.tsai@mediatek.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/device.h>
+#include <linux/errno.h>
+#include <linux/kernel.h>
+#include <linux/pm_runtime.h>
+#include <linux/slab.h>
+#include <linux/workqueue.h>
+#include <media/v4l2-event.h>
+#include <media/v4l2-ioctl.h>
+
+#include "mtk_mdp_core.h"
+#include "mtk_mdp_m2m.h"
+#include "mtk_mdp_regs.h"
+#include "mtk_vpu.h"
+
+
+/**
+ *  struct mtk_mdp_pix_limit - image pixel size limits
+ *  @org_w: source pixel width
+ *  @org_h: source pixel height
+ *  @target_rot_dis_w: pixel dst scaled width with the rotator is off
+ *  @target_rot_dis_h: pixel dst scaled height with the rotator is off
+ *  @target_rot_en_w: pixel dst scaled width with the rotator is on
+ *  @target_rot_en_h: pixel dst scaled height with the rotator is on
+ */
+struct mtk_mdp_pix_limit {
+	u16 org_w;
+	u16 org_h;
+	u16 target_rot_dis_w;
+	u16 target_rot_dis_h;
+	u16 target_rot_en_w;
+	u16 target_rot_en_h;
+};
+
+static struct mtk_mdp_pix_align mtk_mdp_size_align = {
+	.org_w			= 16,
+	.org_h			= 16,
+	.target_w		= 2,
+	.target_h		= 2,
+};
+
+static const struct mtk_mdp_fmt mtk_mdp_formats[] = {
+	{
+		.pixelformat	= V4L2_PIX_FMT_MT21C,
+		.depth		= { 8, 4 },
+		.row_depth	= { 8, 8 },
+		.num_planes	= 2,
+		.num_comp	= 2,
+		.align		= &mtk_mdp_size_align,
+		.flags		= MTK_MDP_FMT_FLAG_OUTPUT,
+	}, {
+		.pixelformat	= V4L2_PIX_FMT_NV12M,
+		.depth		= { 8, 4 },
+		.row_depth	= { 8, 8 },
+		.num_planes	= 2,
+		.num_comp	= 2,
+		.flags		= MTK_MDP_FMT_FLAG_OUTPUT |
+				  MTK_MDP_FMT_FLAG_CAPTURE,
+	}, {
+		.pixelformat	= V4L2_PIX_FMT_YUV420M,
+		.depth		= { 8, 2, 2 },
+		.row_depth	= { 8, 4, 4 },
+		.num_planes	= 3,
+		.num_comp	= 3,
+		.flags		= MTK_MDP_FMT_FLAG_OUTPUT |
+				  MTK_MDP_FMT_FLAG_CAPTURE,
+	}, {
+		.pixelformat	= V4L2_PIX_FMT_YVU420,
+		.depth		= { 12 },
+		.row_depth	= { 8 },
+		.num_planes	= 1,
+		.num_comp	= 3,
+		.flags		= MTK_MDP_FMT_FLAG_OUTPUT |
+				  MTK_MDP_FMT_FLAG_CAPTURE,
+	}
+};
+
+static struct mtk_mdp_pix_limit mtk_mdp_size_max = {
+	.target_rot_dis_w	= 4096,
+	.target_rot_dis_h	= 4096,
+	.target_rot_en_w	= 4096,
+	.target_rot_en_h	= 4096,
+};
+
+static struct mtk_mdp_pix_limit mtk_mdp_size_min = {
+	.org_w			= 16,
+	.org_h			= 16,
+	.target_rot_dis_w	= 16,
+	.target_rot_dis_h	= 16,
+	.target_rot_en_w	= 16,
+	.target_rot_en_h	= 16,
+};
+
+/* align size for normal raster scan pixel format */
+static struct mtk_mdp_pix_align mtk_mdp_rs_align = {
+	.org_w			= 2,
+	.org_h			= 2,
+	.target_w		= 2,
+	.target_h		= 2,
+};
+
+static struct mtk_mdp_variant mtk_mdp_default_variant = {
+	.pix_max		= &mtk_mdp_size_max,
+	.pix_min		= &mtk_mdp_size_min,
+	.pix_align		= &mtk_mdp_rs_align,
+	.h_scale_up_max		= 32,
+	.v_scale_up_max		= 32,
+	.h_scale_down_max	= 32,
+	.v_scale_down_max	= 128,
+};
+
+static const struct mtk_mdp_fmt *mtk_mdp_find_fmt(u32 pixelformat, u32 type)
+{
+	u32 i, flag;
+
+	flag = V4L2_TYPE_IS_OUTPUT(type) ? MTK_MDP_FMT_FLAG_OUTPUT :
+					   MTK_MDP_FMT_FLAG_CAPTURE;
+
+	for (i = 0; i < ARRAY_SIZE(mtk_mdp_formats); ++i) {
+		if (!(mtk_mdp_formats[i].flags & flag))
+			continue;
+		if (mtk_mdp_formats[i].pixelformat == pixelformat)
+			return &mtk_mdp_formats[i];
+	}
+	return NULL;
+}
+
+static const struct mtk_mdp_fmt *mtk_mdp_find_fmt_by_index(u32 index, u32 type)
+{
+	u32 i, flag, num = 0;
+
+	flag = V4L2_TYPE_IS_OUTPUT(type) ? MTK_MDP_FMT_FLAG_OUTPUT :
+					   MTK_MDP_FMT_FLAG_CAPTURE;
+
+	for (i = 0; i < ARRAY_SIZE(mtk_mdp_formats); ++i) {
+		if (!(mtk_mdp_formats[i].flags & flag))
+			continue;
+		if (index == num)
+			return &mtk_mdp_formats[i];
+		num++;
+	}
+	return NULL;
+}
+
+static void mtk_mdp_bound_align_image(u32 *w, unsigned int wmin,
+				      unsigned int wmax, unsigned int align_w,
+				      u32 *h, unsigned int hmin,
+				      unsigned int hmax, unsigned int align_h)
+{
+	int org_w, org_h, step_w, step_h;
+	int walign, halign;
+
+	org_w = *w;
+	org_h = *h;
+	walign = ffs(align_w) - 1;
+	halign = ffs(align_h) - 1;
+	v4l_bound_align_image(w, wmin, wmax, walign, h, hmin, hmax, halign, 0);
+
+	step_w = 1 << walign;
+	step_h = 1 << halign;
+	if (*w < org_w && (*w + step_w) <= wmax)
+		*w += step_w;
+	if (*h < org_h && (*h + step_h) <= hmax)
+		*h += step_h;
+}
+
+static const struct mtk_mdp_fmt *mtk_mdp_try_fmt_mplane(struct mtk_mdp_ctx *ctx,
+							struct v4l2_format *f)
+{
+	struct mtk_mdp_dev *mdp = ctx->mdp_dev;
+	struct mtk_mdp_variant *variant = mdp->variant;
+	struct v4l2_pix_format_mplane *pix_mp = &f->fmt.pix_mp;
+	const struct mtk_mdp_fmt *fmt;
+	u32 max_w, max_h, align_w, align_h;
+	u32 min_w, min_h, org_w, org_h;
+	int i;
+
+	fmt = mtk_mdp_find_fmt(pix_mp->pixelformat, f->type);
+	if (!fmt)
+		fmt = mtk_mdp_find_fmt_by_index(0, f->type);
+	if (!fmt) {
+		dev_dbg(&ctx->mdp_dev->pdev->dev,
+			"pixelformat format 0x%X invalid\n",
+			pix_mp->pixelformat);
+		return NULL;
+	}
+
+	pix_mp->field = V4L2_FIELD_NONE;
+	pix_mp->pixelformat = fmt->pixelformat;
+	if (!V4L2_TYPE_IS_OUTPUT(f->type)) {
+		pix_mp->colorspace = ctx->colorspace;
+		pix_mp->xfer_func = ctx->xfer_func;
+		pix_mp->ycbcr_enc = ctx->ycbcr_enc;
+		pix_mp->quantization = ctx->quant;
+	}
+	memset(pix_mp->reserved, 0, sizeof(pix_mp->reserved));
+
+	max_w = variant->pix_max->target_rot_dis_w;
+	max_h = variant->pix_max->target_rot_dis_h;
+
+	if (fmt->align == NULL) {
+		/* use default alignment */
+		align_w = variant->pix_align->org_w;
+		align_h = variant->pix_align->org_h;
+	} else {
+		align_w = fmt->align->org_w;
+		align_h = fmt->align->org_h;
+	}
+
+	if (V4L2_TYPE_IS_OUTPUT(f->type)) {
+		min_w = variant->pix_min->org_w;
+		min_h = variant->pix_min->org_h;
+	} else {
+		min_w = variant->pix_min->target_rot_dis_w;
+		min_h = variant->pix_min->target_rot_dis_h;
+	}
+
+	mtk_mdp_dbg(2, "[%d] type:%d, wxh:%ux%u, align:%ux%u, max:%ux%u",
+		    ctx->id, f->type, pix_mp->width, pix_mp->height,
+		    align_w, align_h, max_w, max_h);
+	/*
+	 * To check if image size is modified to adjust parameter against
+	 * hardware abilities
+	 */
+	org_w = pix_mp->width;
+	org_h = pix_mp->height;
+
+	mtk_mdp_bound_align_image(&pix_mp->width, min_w, max_w, align_w,
+				  &pix_mp->height, min_h, max_h, align_h);
+
+	if (org_w != pix_mp->width || org_h != pix_mp->height)
+		mtk_mdp_dbg(1, "[%d] size change:%ux%u to %ux%u", ctx->id,
+			    org_w, org_h, pix_mp->width, pix_mp->height);
+	pix_mp->num_planes = fmt->num_planes;
+
+	for (i = 0; i < pix_mp->num_planes; ++i) {
+		int bpl = (pix_mp->width * fmt->row_depth[i]) / 8;
+		int sizeimage = (pix_mp->width * pix_mp->height *
+			fmt->depth[i]) / 8;
+
+		pix_mp->plane_fmt[i].bytesperline = bpl;
+		if (pix_mp->plane_fmt[i].sizeimage < sizeimage)
+			pix_mp->plane_fmt[i].sizeimage = sizeimage;
+		memset(pix_mp->plane_fmt[i].reserved, 0,
+		       sizeof(pix_mp->plane_fmt[i].reserved));
+		mtk_mdp_dbg(2, "[%d] p%d, bpl:%d, sizeimage:%u (%u)", ctx->id,
+			    i, bpl, pix_mp->plane_fmt[i].sizeimage, sizeimage);
+	}
+
+	return fmt;
+}
+
+static struct mtk_mdp_frame *mtk_mdp_ctx_get_frame(struct mtk_mdp_ctx *ctx,
+					    enum v4l2_buf_type type)
+{
+	if (V4L2_TYPE_IS_OUTPUT(type))
+		return &ctx->s_frame;
+	return &ctx->d_frame;
+}
+
+static void mtk_mdp_check_crop_change(u32 new_w, u32 new_h, u32 *w, u32 *h)
+{
+	if (new_w != *w || new_h != *h) {
+		mtk_mdp_dbg(1, "size change:%dx%d to %dx%d",
+			    *w, *h, new_w, new_h);
+
+		*w = new_w;
+		*h = new_h;
+	}
+}
+
+static int mtk_mdp_try_crop(struct mtk_mdp_ctx *ctx, u32 type,
+			    struct v4l2_rect *r)
+{
+	struct mtk_mdp_frame *frame;
+	struct mtk_mdp_dev *mdp = ctx->mdp_dev;
+	struct mtk_mdp_variant *variant = mdp->variant;
+	u32 align_w, align_h, new_w, new_h;
+	u32 min_w, min_h, max_w, max_h;
+
+	if (r->top < 0 || r->left < 0) {
+		dev_err(&ctx->mdp_dev->pdev->dev,
+			"doesn't support negative values for top & left\n");
+		return -EINVAL;
+	}
+
+	mtk_mdp_dbg(2, "[%d] type:%d, set wxh:%dx%d", ctx->id, type,
+		    r->width, r->height);
+
+	frame = mtk_mdp_ctx_get_frame(ctx, type);
+	max_w = frame->width;
+	max_h = frame->height;
+	new_w = r->width;
+	new_h = r->height;
+
+	if (V4L2_TYPE_IS_OUTPUT(type)) {
+		align_w = 1;
+		align_h = 1;
+		min_w = 64;
+		min_h = 32;
+	} else {
+		align_w = variant->pix_align->target_w;
+		align_h = variant->pix_align->target_h;
+		if (ctx->ctrls.rotate->val == 90 ||
+		    ctx->ctrls.rotate->val == 270) {
+			max_w = frame->height;
+			max_h = frame->width;
+			min_w = variant->pix_min->target_rot_en_w;
+			min_h = variant->pix_min->target_rot_en_h;
+			new_w = r->height;
+			new_h = r->width;
+		} else {
+			min_w = variant->pix_min->target_rot_dis_w;
+			min_h = variant->pix_min->target_rot_dis_h;
+		}
+	}
+
+	mtk_mdp_dbg(2, "[%d] align:%dx%d, min:%dx%d, new:%dx%d", ctx->id,
+		    align_w, align_h, min_w, min_h, new_w, new_h);
+
+	mtk_mdp_bound_align_image(&new_w, min_w, max_w, align_w,
+				  &new_h, min_h, max_h, align_h);
+
+	if (!V4L2_TYPE_IS_OUTPUT(type) &&
+		(ctx->ctrls.rotate->val == 90 ||
+		ctx->ctrls.rotate->val == 270))
+		mtk_mdp_check_crop_change(new_h, new_w,
+					  &r->width, &r->height);
+	else
+		mtk_mdp_check_crop_change(new_w, new_h,
+					  &r->width, &r->height);
+
+	/* adjust left/top if cropping rectangle is out of bounds */
+	/* Need to add code to algin left value with 2's multiple */
+	if (r->left + new_w > max_w)
+		r->left = max_w - new_w;
+	if (r->top + new_h > max_h)
+		r->top = max_h - new_h;
+
+	if (r->left & 1)
+		r->left -= 1;
+
+	mtk_mdp_dbg(2, "[%d] crop l,t,w,h:%d,%d,%d,%d, max:%dx%d", ctx->id,
+		    r->left, r->top, r->width,
+		    r->height, max_w, max_h);
+	return 0;
+}
+
+static inline struct mtk_mdp_ctx *fh_to_ctx(struct v4l2_fh *fh)
+{
+	return container_of(fh, struct mtk_mdp_ctx, fh);
+}
+
+static inline struct mtk_mdp_ctx *ctrl_to_ctx(struct v4l2_ctrl *ctrl)
+{
+	return container_of(ctrl->handler, struct mtk_mdp_ctx, ctrl_handler);
+}
+
+void mtk_mdp_ctx_state_lock_set(struct mtk_mdp_ctx *ctx, u32 state)
+{
+	mutex_lock(&ctx->slock);
+	ctx->state |= state;
+	mutex_unlock(&ctx->slock);
+}
+
+static void mtk_mdp_ctx_state_lock_clear(struct mtk_mdp_ctx *ctx, u32 state)
+{
+	mutex_lock(&ctx->slock);
+	ctx->state &= ~state;
+	mutex_unlock(&ctx->slock);
+}
+
+static bool mtk_mdp_ctx_state_is_set(struct mtk_mdp_ctx *ctx, u32 mask)
+{
+	bool ret;
+
+	mutex_lock(&ctx->slock);
+	ret = (ctx->state & mask) == mask;
+	mutex_unlock(&ctx->slock);
+	return ret;
+}
+
+static void mtk_mdp_ctx_lock(struct vb2_queue *vq)
+{
+	struct mtk_mdp_ctx *ctx = vb2_get_drv_priv(vq);
+
+	mutex_lock(&ctx->mdp_dev->lock);
+}
+
+static void mtk_mdp_ctx_unlock(struct vb2_queue *vq)
+{
+	struct mtk_mdp_ctx *ctx = vb2_get_drv_priv(vq);
+
+	mutex_unlock(&ctx->mdp_dev->lock);
+}
+
+static void mtk_mdp_set_frame_size(struct mtk_mdp_frame *frame, int width,
+				   int height)
+{
+	frame->width = width;
+	frame->height = height;
+	frame->crop.width = width;
+	frame->crop.height = height;
+	frame->crop.left = 0;
+	frame->crop.top = 0;
+}
+
+static int mtk_mdp_m2m_start_streaming(struct vb2_queue *q, unsigned int count)
+{
+	struct mtk_mdp_ctx *ctx = q->drv_priv;
+	int ret;
+
+	ret = pm_runtime_get_sync(&ctx->mdp_dev->pdev->dev);
+	if (ret < 0)
+		mtk_mdp_dbg(1, "[%d] pm_runtime_get_sync failed:%d",
+			    ctx->id, ret);
+
+	return 0;
+}
+
+static void *mtk_mdp_m2m_buf_remove(struct mtk_mdp_ctx *ctx,
+				    enum v4l2_buf_type type)
+{
+	if (V4L2_TYPE_IS_OUTPUT(type))
+		return v4l2_m2m_src_buf_remove(ctx->m2m_ctx);
+	else
+		return v4l2_m2m_dst_buf_remove(ctx->m2m_ctx);
+}
+
+static void mtk_mdp_m2m_stop_streaming(struct vb2_queue *q)
+{
+	struct mtk_mdp_ctx *ctx = q->drv_priv;
+	struct vb2_buffer *vb;
+
+	vb = mtk_mdp_m2m_buf_remove(ctx, q->type);
+	while (vb != NULL) {
+		v4l2_m2m_buf_done(to_vb2_v4l2_buffer(vb), VB2_BUF_STATE_ERROR);
+		vb = mtk_mdp_m2m_buf_remove(ctx, q->type);
+	}
+
+	pm_runtime_put(&ctx->mdp_dev->pdev->dev);
+}
+
+static void mtk_mdp_m2m_job_abort(void *priv)
+{
+}
+
+/* The color format (num_planes) must be already configured. */
+static void mtk_mdp_prepare_addr(struct mtk_mdp_ctx *ctx,
+				 struct vb2_buffer *vb,
+				 struct mtk_mdp_frame *frame,
+				 struct mtk_mdp_addr *addr)
+{
+	u32 pix_size, planes, i;
+
+	pix_size = frame->width * frame->height;
+	planes = min_t(u32, frame->fmt->num_planes, ARRAY_SIZE(addr->addr));
+	for (i = 0; i < planes; i++)
+		addr->addr[i] = vb2_dma_contig_plane_dma_addr(vb, i);
+
+	if (planes == 1) {
+		if (frame->fmt->pixelformat == V4L2_PIX_FMT_YVU420) {
+			addr->addr[1] = (dma_addr_t)(addr->addr[0] + pix_size);
+			addr->addr[2] = (dma_addr_t)(addr->addr[1] +
+					(pix_size >> 2));
+		} else {
+			dev_err(&ctx->mdp_dev->pdev->dev,
+				"Invalid pixelformat:0x%x\n",
+				frame->fmt->pixelformat);
+		}
+	}
+	mtk_mdp_dbg(3, "[%d] planes:%d, size:%d, addr:%p,%p,%p",
+		    ctx->id, planes, pix_size, (void *)addr->addr[0],
+		    (void *)addr->addr[1], (void *)addr->addr[2]);
+}
+
+static void mtk_mdp_m2m_get_bufs(struct mtk_mdp_ctx *ctx)
+{
+	struct mtk_mdp_frame *s_frame, *d_frame;
+	struct vb2_buffer *src_vb, *dst_vb;
+	struct vb2_v4l2_buffer *src_vbuf, *dst_vbuf;
+
+	s_frame = &ctx->s_frame;
+	d_frame = &ctx->d_frame;
+
+	src_vb = v4l2_m2m_next_src_buf(ctx->m2m_ctx);
+	mtk_mdp_prepare_addr(ctx, src_vb, s_frame, &s_frame->addr);
+
+	dst_vb = v4l2_m2m_next_dst_buf(ctx->m2m_ctx);
+	mtk_mdp_prepare_addr(ctx, dst_vb, d_frame, &d_frame->addr);
+
+	src_vbuf = to_vb2_v4l2_buffer(src_vb);
+	dst_vbuf = to_vb2_v4l2_buffer(dst_vb);
+	dst_vbuf->vb2_buf.timestamp = src_vbuf->vb2_buf.timestamp;
+}
+
+static void mtk_mdp_process_done(void *priv, int vb_state)
+{
+	struct mtk_mdp_dev *mdp = priv;
+	struct mtk_mdp_ctx *ctx;
+	struct vb2_buffer *src_vb, *dst_vb;
+	struct vb2_v4l2_buffer *src_vbuf = NULL, *dst_vbuf = NULL;
+
+	ctx = v4l2_m2m_get_curr_priv(mdp->m2m_dev);
+	if (!ctx)
+		return;
+
+	src_vb = v4l2_m2m_src_buf_remove(ctx->m2m_ctx);
+	src_vbuf = to_vb2_v4l2_buffer(src_vb);
+	dst_vb = v4l2_m2m_dst_buf_remove(ctx->m2m_ctx);
+	dst_vbuf = to_vb2_v4l2_buffer(dst_vb);
+
+	dst_vbuf->vb2_buf.timestamp = src_vbuf->vb2_buf.timestamp;
+	dst_vbuf->timecode = src_vbuf->timecode;
+	dst_vbuf->flags &= ~V4L2_BUF_FLAG_TSTAMP_SRC_MASK;
+	dst_vbuf->flags |= src_vbuf->flags & V4L2_BUF_FLAG_TSTAMP_SRC_MASK;
+
+	v4l2_m2m_buf_done(src_vbuf, vb_state);
+	v4l2_m2m_buf_done(dst_vbuf, vb_state);
+	v4l2_m2m_job_finish(ctx->mdp_dev->m2m_dev, ctx->m2m_ctx);
+}
+
+static void mtk_mdp_m2m_worker(struct work_struct *work)
+{
+	struct mtk_mdp_ctx *ctx =
+				container_of(work, struct mtk_mdp_ctx, work);
+	struct mtk_mdp_dev *mdp = ctx->mdp_dev;
+	enum vb2_buffer_state buf_state = VB2_BUF_STATE_ERROR;
+	int ret;
+
+	if (mtk_mdp_ctx_state_is_set(ctx, MTK_MDP_CTX_ERROR)) {
+		dev_err(&mdp->pdev->dev, "ctx is in error state");
+		goto worker_end;
+	}
+
+	mtk_mdp_m2m_get_bufs(ctx);
+
+	mtk_mdp_hw_set_input_addr(ctx, &ctx->s_frame.addr);
+	mtk_mdp_hw_set_output_addr(ctx, &ctx->d_frame.addr);
+
+	mtk_mdp_hw_set_in_size(ctx);
+	mtk_mdp_hw_set_in_image_format(ctx);
+
+	mtk_mdp_hw_set_out_size(ctx);
+	mtk_mdp_hw_set_out_image_format(ctx);
+
+	mtk_mdp_hw_set_rotation(ctx);
+	mtk_mdp_hw_set_global_alpha(ctx);
+
+	ret = mtk_mdp_vpu_process(&ctx->vpu);
+	if (ret) {
+		dev_err(&mdp->pdev->dev, "processing failed: %d", ret);
+		goto worker_end;
+	}
+
+	buf_state = VB2_BUF_STATE_DONE;
+
+worker_end:
+	mtk_mdp_process_done(mdp, buf_state);
+}
+
+static void mtk_mdp_m2m_device_run(void *priv)
+{
+	struct mtk_mdp_ctx *ctx = priv;
+
+	queue_work(ctx->mdp_dev->job_wq, &ctx->work);
+}
+
+static int mtk_mdp_m2m_queue_setup(struct vb2_queue *vq,
+			unsigned int *num_buffers, unsigned int *num_planes,
+			unsigned int sizes[], struct device *alloc_devs[])
+{
+	struct mtk_mdp_ctx *ctx = vb2_get_drv_priv(vq);
+	struct mtk_mdp_frame *frame;
+	int i;
+
+	frame = mtk_mdp_ctx_get_frame(ctx, vq->type);
+	*num_planes = frame->fmt->num_planes;
+	for (i = 0; i < frame->fmt->num_planes; i++)
+		sizes[i] = frame->payload[i];
+	mtk_mdp_dbg(2, "[%d] type:%d, planes:%d, buffers:%d, size:%u,%u",
+		    ctx->id, vq->type, *num_planes, *num_buffers,
+		    sizes[0], sizes[1]);
+	return 0;
+}
+
+static int mtk_mdp_m2m_buf_prepare(struct vb2_buffer *vb)
+{
+	struct mtk_mdp_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
+	struct mtk_mdp_frame *frame;
+	int i;
+
+	frame = mtk_mdp_ctx_get_frame(ctx, vb->vb2_queue->type);
+
+	if (!V4L2_TYPE_IS_OUTPUT(vb->vb2_queue->type)) {
+		for (i = 0; i < frame->fmt->num_planes; i++)
+			vb2_set_plane_payload(vb, i, frame->payload[i]);
+	}
+
+	return 0;
+}
+
+static void mtk_mdp_m2m_buf_queue(struct vb2_buffer *vb)
+{
+	struct mtk_mdp_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
+
+	v4l2_m2m_buf_queue(ctx->m2m_ctx, to_vb2_v4l2_buffer(vb));
+}
+
+static struct vb2_ops mtk_mdp_m2m_qops = {
+	.queue_setup	 = mtk_mdp_m2m_queue_setup,
+	.buf_prepare	 = mtk_mdp_m2m_buf_prepare,
+	.buf_queue	 = mtk_mdp_m2m_buf_queue,
+	.wait_prepare	 = mtk_mdp_ctx_unlock,
+	.wait_finish	 = mtk_mdp_ctx_lock,
+	.stop_streaming	 = mtk_mdp_m2m_stop_streaming,
+	.start_streaming = mtk_mdp_m2m_start_streaming,
+};
+
+static int mtk_mdp_m2m_querycap(struct file *file, void *fh,
+				struct v4l2_capability *cap)
+{
+	struct mtk_mdp_ctx *ctx = fh_to_ctx(fh);
+	struct mtk_mdp_dev *mdp = ctx->mdp_dev;
+
+	strlcpy(cap->driver, MTK_MDP_MODULE_NAME, sizeof(cap->driver));
+	strlcpy(cap->card, mdp->pdev->name, sizeof(cap->card));
+	strlcpy(cap->bus_info, "platform:mt8173", sizeof(cap->bus_info));
+
+	return 0;
+}
+
+static int mtk_mdp_enum_fmt_mplane(struct v4l2_fmtdesc *f, u32 type)
+{
+	const struct mtk_mdp_fmt *fmt;
+
+	fmt = mtk_mdp_find_fmt_by_index(f->index, type);
+	if (!fmt)
+		return -EINVAL;
+
+	f->pixelformat = fmt->pixelformat;
+
+	return 0;
+}
+
+static int mtk_mdp_m2m_enum_fmt_mplane_vid_cap(struct file *file, void *priv,
+				       struct v4l2_fmtdesc *f)
+{
+	return mtk_mdp_enum_fmt_mplane(f, V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);
+}
+
+static int mtk_mdp_m2m_enum_fmt_mplane_vid_out(struct file *file, void *priv,
+				       struct v4l2_fmtdesc *f)
+{
+	return mtk_mdp_enum_fmt_mplane(f, V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE);
+}
+
+static int mtk_mdp_m2m_g_fmt_mplane(struct file *file, void *fh,
+				    struct v4l2_format *f)
+{
+	struct mtk_mdp_ctx *ctx = fh_to_ctx(fh);
+	struct mtk_mdp_frame *frame;
+	struct v4l2_pix_format_mplane *pix_mp;
+	int i;
+
+	mtk_mdp_dbg(2, "[%d] type:%d", ctx->id, f->type);
+
+	frame = mtk_mdp_ctx_get_frame(ctx, f->type);
+	pix_mp = &f->fmt.pix_mp;
+
+	pix_mp->width = frame->width;
+	pix_mp->height = frame->height;
+	pix_mp->field = V4L2_FIELD_NONE;
+	pix_mp->pixelformat = frame->fmt->pixelformat;
+	pix_mp->num_planes = frame->fmt->num_planes;
+	pix_mp->colorspace = ctx->colorspace;
+	pix_mp->xfer_func = ctx->xfer_func;
+	pix_mp->ycbcr_enc = ctx->ycbcr_enc;
+	pix_mp->quantization = ctx->quant;
+	mtk_mdp_dbg(2, "[%d] wxh:%dx%d", ctx->id,
+		    pix_mp->width, pix_mp->height);
+
+	for (i = 0; i < pix_mp->num_planes; ++i) {
+		pix_mp->plane_fmt[i].bytesperline = (frame->width *
+			frame->fmt->row_depth[i]) / 8;
+		pix_mp->plane_fmt[i].sizeimage = (frame->width *
+			frame->height * frame->fmt->depth[i]) / 8;
+
+		mtk_mdp_dbg(2, "[%d] p%d, bpl:%d, sizeimage:%d", ctx->id, i,
+			    pix_mp->plane_fmt[i].bytesperline,
+			    pix_mp->plane_fmt[i].sizeimage);
+	}
+
+	return 0;
+}
+
+static int mtk_mdp_m2m_try_fmt_mplane(struct file *file, void *fh,
+				      struct v4l2_format *f)
+{
+	struct mtk_mdp_ctx *ctx = fh_to_ctx(fh);
+
+	if (!mtk_mdp_try_fmt_mplane(ctx, f))
+		return -EINVAL;
+	return 0;
+}
+
+static int mtk_mdp_m2m_s_fmt_mplane(struct file *file, void *fh,
+				    struct v4l2_format *f)
+{
+	struct mtk_mdp_ctx *ctx = fh_to_ctx(fh);
+	struct vb2_queue *vq;
+	struct mtk_mdp_frame *frame;
+	struct v4l2_pix_format_mplane *pix_mp;
+	const struct mtk_mdp_fmt *fmt;
+	int i;
+
+	mtk_mdp_dbg(2, "[%d] type:%d", ctx->id, f->type);
+
+	frame = mtk_mdp_ctx_get_frame(ctx, f->type);
+	fmt = mtk_mdp_try_fmt_mplane(ctx, f);
+	if (!fmt) {
+		mtk_mdp_err("[%d] try_fmt failed, type:%d", ctx->id, f->type);
+		return -EINVAL;
+	}
+	frame->fmt = fmt;
+
+	vq = v4l2_m2m_get_vq(ctx->m2m_ctx, f->type);
+	if (vb2_is_streaming(vq)) {
+		dev_info(&ctx->mdp_dev->pdev->dev, "queue %d busy", f->type);
+		return -EBUSY;
+	}
+
+	pix_mp = &f->fmt.pix_mp;
+	for (i = 0; i < frame->fmt->num_planes; i++) {
+		frame->payload[i] = pix_mp->plane_fmt[i].sizeimage;
+		frame->pitch[i] = pix_mp->plane_fmt[i].bytesperline;
+	}
+
+	mtk_mdp_set_frame_size(frame, pix_mp->width, pix_mp->height);
+	if (V4L2_TYPE_IS_OUTPUT(f->type)) {
+		ctx->colorspace = pix_mp->colorspace;
+		ctx->xfer_func = pix_mp->xfer_func;
+		ctx->ycbcr_enc = pix_mp->ycbcr_enc;
+		ctx->quant = pix_mp->quantization;
+	}
+
+	if (V4L2_TYPE_IS_OUTPUT(f->type))
+		mtk_mdp_ctx_state_lock_set(ctx, MTK_MDP_SRC_FMT);
+	else
+		mtk_mdp_ctx_state_lock_set(ctx, MTK_MDP_DST_FMT);
+
+	mtk_mdp_dbg(2, "[%d] type:%d, frame:%dx%d", ctx->id, f->type,
+		    frame->width, frame->height);
+
+	return 0;
+}
+
+static int mtk_mdp_m2m_reqbufs(struct file *file, void *fh,
+			       struct v4l2_requestbuffers *reqbufs)
+{
+	struct mtk_mdp_ctx *ctx = fh_to_ctx(fh);
+
+	if (reqbufs->count == 0) {
+		if (reqbufs->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
+			mtk_mdp_ctx_state_lock_clear(ctx, MTK_MDP_SRC_FMT);
+		else
+			mtk_mdp_ctx_state_lock_clear(ctx, MTK_MDP_DST_FMT);
+	}
+
+	return v4l2_m2m_reqbufs(file, ctx->m2m_ctx, reqbufs);
+}
+
+static int mtk_mdp_m2m_streamon(struct file *file, void *fh,
+				enum v4l2_buf_type type)
+{
+	struct mtk_mdp_ctx *ctx = fh_to_ctx(fh);
+	int ret;
+
+	/* The source and target color format need to be set */
+	if (V4L2_TYPE_IS_OUTPUT(type)) {
+		if (!mtk_mdp_ctx_state_is_set(ctx, MTK_MDP_SRC_FMT))
+			return -EINVAL;
+	} else if (!mtk_mdp_ctx_state_is_set(ctx, MTK_MDP_DST_FMT)) {
+		return -EINVAL;
+	}
+
+	if (!mtk_mdp_ctx_state_is_set(ctx, MTK_MDP_VPU_INIT)) {
+		ret = mtk_mdp_vpu_init(&ctx->vpu);
+		if (ret < 0) {
+			dev_err(&ctx->mdp_dev->pdev->dev,
+				"vpu init failed %d\n",
+				ret);
+			return -EINVAL;
+		}
+		mtk_mdp_ctx_state_lock_set(ctx, MTK_MDP_VPU_INIT);
+	}
+
+	return v4l2_m2m_streamon(file, ctx->m2m_ctx, type);
+}
+
+static inline bool mtk_mdp_is_target_compose(u32 target)
+{
+	if (target == V4L2_SEL_TGT_COMPOSE_DEFAULT
+	    || target == V4L2_SEL_TGT_COMPOSE_BOUNDS
+	    || target == V4L2_SEL_TGT_COMPOSE)
+		return true;
+	return false;
+}
+
+static inline bool mtk_mdp_is_target_crop(u32 target)
+{
+	if (target == V4L2_SEL_TGT_CROP_DEFAULT
+	    || target == V4L2_SEL_TGT_CROP_BOUNDS
+	    || target == V4L2_SEL_TGT_CROP)
+		return true;
+	return false;
+}
+
+static int mtk_mdp_m2m_g_selection(struct file *file, void *fh,
+				       struct v4l2_selection *s)
+{
+	struct mtk_mdp_frame *frame;
+	struct mtk_mdp_ctx *ctx = fh_to_ctx(fh);
+	bool valid = false;
+
+	if (s->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) {
+		if (mtk_mdp_is_target_compose(s->target))
+			valid = true;
+	} else if (s->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
+		if (mtk_mdp_is_target_crop(s->target))
+			valid = true;
+	}
+	if (!valid) {
+		mtk_mdp_dbg(1, "[%d] invalid type:%d,%u", ctx->id, s->type,
+			    s->target);
+		return -EINVAL;
+	}
+
+	frame = mtk_mdp_ctx_get_frame(ctx, s->type);
+
+	switch (s->target) {
+	case V4L2_SEL_TGT_COMPOSE_DEFAULT:
+	case V4L2_SEL_TGT_COMPOSE_BOUNDS:
+	case V4L2_SEL_TGT_CROP_BOUNDS:
+	case V4L2_SEL_TGT_CROP_DEFAULT:
+		s->r.left = 0;
+		s->r.top = 0;
+		s->r.width = frame->width;
+		s->r.height = frame->height;
+		return 0;
+
+	case V4L2_SEL_TGT_COMPOSE:
+	case V4L2_SEL_TGT_CROP:
+		s->r.left = frame->crop.left;
+		s->r.top = frame->crop.top;
+		s->r.width = frame->crop.width;
+		s->r.height = frame->crop.height;
+		return 0;
+	}
+
+	return -EINVAL;
+}
+
+static int mtk_mdp_check_scaler_ratio(struct mtk_mdp_variant *var, int src_w,
+				      int src_h, int dst_w, int dst_h, int rot)
+{
+	int tmp_w, tmp_h;
+
+	if (rot == 90 || rot == 270) {
+		tmp_w = dst_h;
+		tmp_h = dst_w;
+	} else {
+		tmp_w = dst_w;
+		tmp_h = dst_h;
+	}
+
+	if ((src_w / tmp_w) > var->h_scale_down_max ||
+	    (src_h / tmp_h) > var->v_scale_down_max ||
+	    (tmp_w / src_w) > var->h_scale_up_max ||
+	    (tmp_h / src_h) > var->v_scale_up_max)
+		return -EINVAL;
+
+	return 0;
+}
+
+static int mtk_mdp_m2m_s_selection(struct file *file, void *fh,
+				   struct v4l2_selection *s)
+{
+	struct mtk_mdp_frame *frame;
+	struct mtk_mdp_ctx *ctx = fh_to_ctx(fh);
+	struct v4l2_rect new_r;
+	struct mtk_mdp_variant *variant = ctx->mdp_dev->variant;
+	int ret;
+	bool valid = false;
+
+	if (s->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) {
+		if (s->target == V4L2_SEL_TGT_COMPOSE)
+			valid = true;
+	} else if (s->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
+		if (s->target == V4L2_SEL_TGT_CROP)
+			valid = true;
+	}
+	if (!valid) {
+		mtk_mdp_dbg(1, "[%d] invalid type:%d,%u", ctx->id, s->type,
+			    s->target);
+		return -EINVAL;
+	}
+
+	new_r = s->r;
+	ret = mtk_mdp_try_crop(ctx, s->type, &new_r);
+	if (ret)
+		return ret;
+
+	if (mtk_mdp_is_target_crop(s->target))
+		frame = &ctx->s_frame;
+	else
+		frame = &ctx->d_frame;
+
+	/* Check to see if scaling ratio is within supported range */
+	if (mtk_mdp_ctx_state_is_set(ctx, MTK_MDP_DST_FMT | MTK_MDP_SRC_FMT)) {
+		if (V4L2_TYPE_IS_OUTPUT(s->type)) {
+			ret = mtk_mdp_check_scaler_ratio(variant, new_r.width,
+				new_r.height, ctx->d_frame.crop.width,
+				ctx->d_frame.crop.height,
+				ctx->ctrls.rotate->val);
+		} else {
+			ret = mtk_mdp_check_scaler_ratio(variant,
+				ctx->s_frame.crop.width,
+				ctx->s_frame.crop.height, new_r.width,
+				new_r.height, ctx->ctrls.rotate->val);
+		}
+
+		if (ret) {
+			dev_info(&ctx->mdp_dev->pdev->dev,
+				"Out of scaler range");
+			return -EINVAL;
+		}
+	}
+
+	s->r = new_r;
+	frame->crop = new_r;
+
+	return 0;
+}
+
+static const struct v4l2_ioctl_ops mtk_mdp_m2m_ioctl_ops = {
+	.vidioc_querycap		= mtk_mdp_m2m_querycap,
+	.vidioc_enum_fmt_vid_cap_mplane	= mtk_mdp_m2m_enum_fmt_mplane_vid_cap,
+	.vidioc_enum_fmt_vid_out_mplane	= mtk_mdp_m2m_enum_fmt_mplane_vid_out,
+	.vidioc_g_fmt_vid_cap_mplane	= mtk_mdp_m2m_g_fmt_mplane,
+	.vidioc_g_fmt_vid_out_mplane	= mtk_mdp_m2m_g_fmt_mplane,
+	.vidioc_try_fmt_vid_cap_mplane	= mtk_mdp_m2m_try_fmt_mplane,
+	.vidioc_try_fmt_vid_out_mplane	= mtk_mdp_m2m_try_fmt_mplane,
+	.vidioc_s_fmt_vid_cap_mplane	= mtk_mdp_m2m_s_fmt_mplane,
+	.vidioc_s_fmt_vid_out_mplane	= mtk_mdp_m2m_s_fmt_mplane,
+	.vidioc_reqbufs			= mtk_mdp_m2m_reqbufs,
+	.vidioc_create_bufs		= v4l2_m2m_ioctl_create_bufs,
+	.vidioc_expbuf			= v4l2_m2m_ioctl_expbuf,
+	.vidioc_subscribe_event		= v4l2_ctrl_subscribe_event,
+	.vidioc_unsubscribe_event	= v4l2_event_unsubscribe,
+	.vidioc_querybuf		= v4l2_m2m_ioctl_querybuf,
+	.vidioc_qbuf			= v4l2_m2m_ioctl_qbuf,
+	.vidioc_dqbuf			= v4l2_m2m_ioctl_dqbuf,
+	.vidioc_streamon		= mtk_mdp_m2m_streamon,
+	.vidioc_streamoff		= v4l2_m2m_ioctl_streamoff,
+	.vidioc_g_selection		= mtk_mdp_m2m_g_selection,
+	.vidioc_s_selection		= mtk_mdp_m2m_s_selection
+};
+
+static int mtk_mdp_m2m_queue_init(void *priv, struct vb2_queue *src_vq,
+				  struct vb2_queue *dst_vq)
+{
+	struct mtk_mdp_ctx *ctx = priv;
+	int ret;
+
+	memset(src_vq, 0, sizeof(*src_vq));
+	src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
+	src_vq->io_modes = VB2_MMAP | VB2_DMABUF;
+	src_vq->drv_priv = ctx;
+	src_vq->ops = &mtk_mdp_m2m_qops;
+	src_vq->mem_ops = &vb2_dma_contig_memops;
+	src_vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer);
+	src_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
+	src_vq->dev = &ctx->mdp_dev->pdev->dev;
+
+	ret = vb2_queue_init(src_vq);
+	if (ret)
+		return ret;
+
+	memset(dst_vq, 0, sizeof(*dst_vq));
+	dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
+	dst_vq->io_modes = VB2_MMAP | VB2_DMABUF;
+	dst_vq->drv_priv = ctx;
+	dst_vq->ops = &mtk_mdp_m2m_qops;
+	dst_vq->mem_ops = &vb2_dma_contig_memops;
+	dst_vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer);
+	dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
+	dst_vq->dev = &ctx->mdp_dev->pdev->dev;
+
+	return vb2_queue_init(dst_vq);
+}
+
+static int mtk_mdp_s_ctrl(struct v4l2_ctrl *ctrl)
+{
+	struct mtk_mdp_ctx *ctx = ctrl_to_ctx(ctrl);
+	struct mtk_mdp_dev *mdp = ctx->mdp_dev;
+	struct mtk_mdp_variant *variant = mdp->variant;
+	u32 state = MTK_MDP_DST_FMT | MTK_MDP_SRC_FMT;
+	int ret = 0;
+
+	if (ctrl->flags & V4L2_CTRL_FLAG_INACTIVE)
+		return 0;
+
+	switch (ctrl->id) {
+	case V4L2_CID_HFLIP:
+		ctx->hflip = ctrl->val;
+		break;
+	case V4L2_CID_VFLIP:
+		ctx->vflip = ctrl->val;
+		break;
+	case V4L2_CID_ROTATE:
+		if (mtk_mdp_ctx_state_is_set(ctx, state)) {
+			ret = mtk_mdp_check_scaler_ratio(variant,
+					ctx->s_frame.crop.width,
+					ctx->s_frame.crop.height,
+					ctx->d_frame.crop.width,
+					ctx->d_frame.crop.height,
+					ctx->ctrls.rotate->val);
+
+			if (ret)
+				return -EINVAL;
+		}
+
+		ctx->rotation = ctrl->val;
+		break;
+	case V4L2_CID_ALPHA_COMPONENT:
+		ctx->d_frame.alpha = ctrl->val;
+		break;
+	}
+
+	return 0;
+}
+
+static const struct v4l2_ctrl_ops mtk_mdp_ctrl_ops = {
+	.s_ctrl = mtk_mdp_s_ctrl,
+};
+
+static int mtk_mdp_ctrls_create(struct mtk_mdp_ctx *ctx)
+{
+	v4l2_ctrl_handler_init(&ctx->ctrl_handler, MTK_MDP_MAX_CTRL_NUM);
+
+	ctx->ctrls.rotate = v4l2_ctrl_new_std(&ctx->ctrl_handler,
+			&mtk_mdp_ctrl_ops, V4L2_CID_ROTATE, 0, 270, 90, 0);
+	ctx->ctrls.hflip = v4l2_ctrl_new_std(&ctx->ctrl_handler,
+					     &mtk_mdp_ctrl_ops,
+					     V4L2_CID_HFLIP,
+					     0, 1, 1, 0);
+	ctx->ctrls.vflip = v4l2_ctrl_new_std(&ctx->ctrl_handler,
+					     &mtk_mdp_ctrl_ops,
+					     V4L2_CID_VFLIP,
+					     0, 1, 1, 0);
+	ctx->ctrls.global_alpha = v4l2_ctrl_new_std(&ctx->ctrl_handler,
+						    &mtk_mdp_ctrl_ops,
+						    V4L2_CID_ALPHA_COMPONENT,
+						    0, 255, 1, 0);
+	ctx->ctrls_rdy = ctx->ctrl_handler.error == 0;
+
+	if (ctx->ctrl_handler.error) {
+		int err = ctx->ctrl_handler.error;
+
+		v4l2_ctrl_handler_free(&ctx->ctrl_handler);
+		dev_err(&ctx->mdp_dev->pdev->dev,
+			"Failed to create control handlers\n");
+		return err;
+	}
+
+	return 0;
+}
+
+static void mtk_mdp_set_default_params(struct mtk_mdp_ctx *ctx)
+{
+	struct mtk_mdp_dev *mdp = ctx->mdp_dev;
+	struct mtk_mdp_frame *frame;
+
+	frame = mtk_mdp_ctx_get_frame(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE);
+	frame->fmt = mtk_mdp_find_fmt_by_index(0,
+					V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE);
+	frame->width = mdp->variant->pix_min->org_w;
+	frame->height = mdp->variant->pix_min->org_h;
+	frame->payload[0] = frame->width * frame->height;
+	frame->payload[1] = frame->payload[0] / 2;
+
+	frame = mtk_mdp_ctx_get_frame(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);
+	frame->fmt = mtk_mdp_find_fmt_by_index(0,
+					V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);
+	frame->width = mdp->variant->pix_min->target_rot_dis_w;
+	frame->height = mdp->variant->pix_min->target_rot_dis_h;
+	frame->payload[0] = frame->width * frame->height;
+	frame->payload[1] = frame->payload[0] / 2;
+
+}
+
+static int mtk_mdp_m2m_open(struct file *file)
+{
+	struct mtk_mdp_dev *mdp = video_drvdata(file);
+	struct video_device *vfd = video_devdata(file);
+	struct mtk_mdp_ctx *ctx = NULL;
+	int ret;
+
+	ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
+	if (!ctx)
+		return -ENOMEM;
+
+	if (mutex_lock_interruptible(&mdp->lock)) {
+		ret = -ERESTARTSYS;
+		goto err_lock;
+	}
+
+	mutex_init(&ctx->slock);
+	ctx->id = mdp->id_counter++;
+	v4l2_fh_init(&ctx->fh, vfd);
+	file->private_data = &ctx->fh;
+	ret = mtk_mdp_ctrls_create(ctx);
+	if (ret)
+		goto error_ctrls;
+
+	/* Use separate control handler per file handle */
+	ctx->fh.ctrl_handler = &ctx->ctrl_handler;
+	v4l2_fh_add(&ctx->fh);
+	INIT_LIST_HEAD(&ctx->list);
+
+	ctx->mdp_dev = mdp;
+	mtk_mdp_set_default_params(ctx);
+
+	INIT_WORK(&ctx->work, mtk_mdp_m2m_worker);
+	ctx->m2m_ctx = v4l2_m2m_ctx_init(mdp->m2m_dev, ctx,
+					 mtk_mdp_m2m_queue_init);
+	if (IS_ERR(ctx->m2m_ctx)) {
+		dev_err(&mdp->pdev->dev, "Failed to initialize m2m context");
+		ret = PTR_ERR(ctx->m2m_ctx);
+		goto error_m2m_ctx;
+	}
+	ctx->fh.m2m_ctx = ctx->m2m_ctx;
+	if (mdp->ctx_num++ == 0) {
+		ret = vpu_load_firmware(mdp->vpu_dev);
+		if (ret < 0) {
+			dev_err(&mdp->pdev->dev,
+				"vpu_load_firmware failed %d\n", ret);
+			goto err_load_vpu;
+		}
+
+		ret = mtk_mdp_vpu_register(mdp->pdev);
+		if (ret < 0) {
+			dev_err(&mdp->pdev->dev,
+				"mdp_vpu register failed %d\n", ret);
+			goto err_load_vpu;
+		}
+	}
+
+	list_add(&ctx->list, &mdp->ctx_list);
+	mutex_unlock(&mdp->lock);
+
+	mtk_mdp_dbg(0, "%s [%d]", dev_name(&mdp->pdev->dev), ctx->id);
+
+	return 0;
+
+err_load_vpu:
+	mdp->ctx_num--;
+	v4l2_m2m_ctx_release(ctx->m2m_ctx);
+error_m2m_ctx:
+	v4l2_ctrl_handler_free(&ctx->ctrl_handler);
+error_ctrls:
+	v4l2_fh_del(&ctx->fh);
+	v4l2_fh_exit(&ctx->fh);
+	mutex_unlock(&mdp->lock);
+err_lock:
+	kfree(ctx);
+
+	return ret;
+}
+
+static int mtk_mdp_m2m_release(struct file *file)
+{
+	struct mtk_mdp_ctx *ctx = fh_to_ctx(file->private_data);
+	struct mtk_mdp_dev *mdp = ctx->mdp_dev;
+
+	flush_workqueue(mdp->job_wq);
+	mutex_lock(&mdp->lock);
+	v4l2_m2m_ctx_release(ctx->m2m_ctx);
+	v4l2_ctrl_handler_free(&ctx->ctrl_handler);
+	v4l2_fh_del(&ctx->fh);
+	v4l2_fh_exit(&ctx->fh);
+	mtk_mdp_vpu_deinit(&ctx->vpu);
+	mdp->ctx_num--;
+	list_del_init(&ctx->list);
+
+	mtk_mdp_dbg(0, "%s [%d]", dev_name(&mdp->pdev->dev), ctx->id);
+
+	mutex_unlock(&mdp->lock);
+	kfree(ctx);
+
+	return 0;
+}
+
+static const struct v4l2_file_operations mtk_mdp_m2m_fops = {
+	.owner		= THIS_MODULE,
+	.open		= mtk_mdp_m2m_open,
+	.release	= mtk_mdp_m2m_release,
+	.poll		= v4l2_m2m_fop_poll,
+	.unlocked_ioctl	= video_ioctl2,
+	.mmap		= v4l2_m2m_fop_mmap,
+};
+
+static struct v4l2_m2m_ops mtk_mdp_m2m_ops = {
+	.device_run	= mtk_mdp_m2m_device_run,
+	.job_abort	= mtk_mdp_m2m_job_abort,
+};
+
+int mtk_mdp_register_m2m_device(struct mtk_mdp_dev *mdp)
+{
+	struct device *dev = &mdp->pdev->dev;
+	int ret;
+
+	mdp->variant = &mtk_mdp_default_variant;
+	mdp->vdev = video_device_alloc();
+	if (!mdp->vdev) {
+		dev_err(dev, "failed to allocate video device\n");
+		ret = -ENOMEM;
+		goto err_video_alloc;
+	}
+	mdp->vdev->device_caps = V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_STREAMING;
+	mdp->vdev->fops = &mtk_mdp_m2m_fops;
+	mdp->vdev->ioctl_ops = &mtk_mdp_m2m_ioctl_ops;
+	mdp->vdev->release = video_device_release;
+	mdp->vdev->lock = &mdp->lock;
+	mdp->vdev->vfl_dir = VFL_DIR_M2M;
+	mdp->vdev->v4l2_dev = &mdp->v4l2_dev;
+	snprintf(mdp->vdev->name, sizeof(mdp->vdev->name), "%s:m2m",
+		 MTK_MDP_MODULE_NAME);
+	video_set_drvdata(mdp->vdev, mdp);
+
+	mdp->m2m_dev = v4l2_m2m_init(&mtk_mdp_m2m_ops);
+	if (IS_ERR(mdp->m2m_dev)) {
+		dev_err(dev, "failed to initialize v4l2-m2m device\n");
+		ret = PTR_ERR(mdp->m2m_dev);
+		goto err_m2m_init;
+	}
+
+	ret = video_register_device(mdp->vdev, VFL_TYPE_GRABBER, 2);
+	if (ret) {
+		dev_err(dev, "failed to register video device\n");
+		goto err_vdev_register;
+	}
+
+	v4l2_info(&mdp->v4l2_dev, "driver registered as /dev/video%d",
+		  mdp->vdev->num);
+	return 0;
+
+err_vdev_register:
+	v4l2_m2m_release(mdp->m2m_dev);
+err_m2m_init:
+	video_device_release(mdp->vdev);
+err_video_alloc:
+
+	return ret;
+}
+
+void mtk_mdp_unregister_m2m_device(struct mtk_mdp_dev *mdp)
+{
+	video_unregister_device(mdp->vdev);
+	v4l2_m2m_release(mdp->m2m_dev);
+}
diff --git a/drivers/media/platform/mtk-mdp/mtk_mdp_m2m.h b/drivers/media/platform/mtk-mdp/mtk_mdp_m2m.h
new file mode 100644
index 000000000000..45afd3655817
--- /dev/null
+++ b/drivers/media/platform/mtk-mdp/mtk_mdp_m2m.h
@@ -0,0 +1,22 @@
+/*
+ * Copyright (c) 2016 MediaTek Inc.
+ * Author: Ming Hsiu Tsai <minghsiu.tsai@mediatek.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef __MTK_MDP_M2M_H__
+#define __MTK_MDP_M2M_H__
+
+void mtk_mdp_ctx_state_lock_set(struct mtk_mdp_ctx *ctx, u32 state);
+int mtk_mdp_register_m2m_device(struct mtk_mdp_dev *mdp);
+void mtk_mdp_unregister_m2m_device(struct mtk_mdp_dev *mdp);
+
+#endif /* __MTK_MDP_M2M_H__ */
diff --git a/drivers/media/platform/mtk-mdp/mtk_mdp_regs.c b/drivers/media/platform/mtk-mdp/mtk_mdp_regs.c
new file mode 100644
index 000000000000..86d57f380c97
--- /dev/null
+++ b/drivers/media/platform/mtk-mdp/mtk_mdp_regs.c
@@ -0,0 +1,156 @@
+/*
+ * Copyright (c) 2015-2016 MediaTek Inc.
+ * Author: Houlong Wei <houlong.wei@mediatek.com>
+ *         Ming Hsiu Tsai <minghsiu.tsai@mediatek.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/platform_device.h>
+
+#include "mtk_mdp_core.h"
+#include "mtk_mdp_regs.h"
+
+
+#define MDP_COLORFMT_PACK(VIDEO, PLANE, COPLANE, HF, VF, BITS, GROUP, SWAP, ID)\
+	(((VIDEO) << 27) | ((PLANE) << 24) | ((COPLANE) << 22) |\
+	((HF) << 20) | ((VF) << 18) | ((BITS) << 8) | ((GROUP) << 6) |\
+	((SWAP) << 5) | ((ID) << 0))
+
+enum MDP_COLOR_ENUM {
+	MDP_COLOR_UNKNOWN = 0,
+	MDP_COLOR_NV12 = MDP_COLORFMT_PACK(0, 2, 1, 1, 1, 8, 1, 0, 12),
+	MDP_COLOR_I420 = MDP_COLORFMT_PACK(0, 3, 0, 1, 1, 8, 1, 0, 8),
+	MDP_COLOR_YV12 = MDP_COLORFMT_PACK(0, 3, 0, 1, 1, 8, 1, 1, 8),
+	/* Mediatek proprietary format */
+	MDP_COLOR_420_MT21 = MDP_COLORFMT_PACK(5, 2, 1, 1, 1, 256, 1, 0, 12),
+};
+
+static int32_t mtk_mdp_map_color_format(int v4l2_format)
+{
+	switch (v4l2_format) {
+	case V4L2_PIX_FMT_NV12M:
+	case V4L2_PIX_FMT_NV12:
+		return MDP_COLOR_NV12;
+	case V4L2_PIX_FMT_MT21C:
+		return MDP_COLOR_420_MT21;
+	case V4L2_PIX_FMT_YUV420M:
+	case V4L2_PIX_FMT_YUV420:
+		return MDP_COLOR_I420;
+	case V4L2_PIX_FMT_YVU420:
+		return MDP_COLOR_YV12;
+	}
+
+	mtk_mdp_err("Unknown format 0x%x", v4l2_format);
+
+	return MDP_COLOR_UNKNOWN;
+}
+
+void mtk_mdp_hw_set_input_addr(struct mtk_mdp_ctx *ctx,
+			       struct mtk_mdp_addr *addr)
+{
+	struct mdp_buffer *src_buf = &ctx->vpu.vsi->src_buffer;
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(addr->addr); i++)
+		src_buf->addr_mva[i] = (uint64_t)addr->addr[i];
+}
+
+void mtk_mdp_hw_set_output_addr(struct mtk_mdp_ctx *ctx,
+				struct mtk_mdp_addr *addr)
+{
+	struct mdp_buffer *dst_buf = &ctx->vpu.vsi->dst_buffer;
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(addr->addr); i++)
+		dst_buf->addr_mva[i] = (uint64_t)addr->addr[i];
+}
+
+void mtk_mdp_hw_set_in_size(struct mtk_mdp_ctx *ctx)
+{
+	struct mtk_mdp_frame *frame = &ctx->s_frame;
+	struct mdp_config *config = &ctx->vpu.vsi->src_config;
+
+	/* Set input pixel offset */
+	config->crop_x = frame->crop.left;
+	config->crop_y = frame->crop.top;
+
+	/* Set input cropped size */
+	config->crop_w = frame->crop.width;
+	config->crop_h = frame->crop.height;
+
+	/* Set input original size */
+	config->x = 0;
+	config->y = 0;
+	config->w = frame->width;
+	config->h = frame->height;
+}
+
+void mtk_mdp_hw_set_in_image_format(struct mtk_mdp_ctx *ctx)
+{
+	unsigned int i;
+	struct mtk_mdp_frame *frame = &ctx->s_frame;
+	struct mdp_config *config = &ctx->vpu.vsi->src_config;
+	struct mdp_buffer *src_buf = &ctx->vpu.vsi->src_buffer;
+
+	src_buf->plane_num = frame->fmt->num_comp;
+	config->format = mtk_mdp_map_color_format(frame->fmt->pixelformat);
+	config->w_stride = 0; /* MDP will calculate it by color format. */
+	config->h_stride = 0; /* MDP will calculate it by color format. */
+
+	for (i = 0; i < src_buf->plane_num; i++)
+		src_buf->plane_size[i] = frame->payload[i];
+}
+
+void mtk_mdp_hw_set_out_size(struct mtk_mdp_ctx *ctx)
+{
+	struct mtk_mdp_frame *frame = &ctx->d_frame;
+	struct mdp_config *config = &ctx->vpu.vsi->dst_config;
+
+	config->crop_x = frame->crop.left;
+	config->crop_y = frame->crop.top;
+	config->crop_w = frame->crop.width;
+	config->crop_h = frame->crop.height;
+	config->x = 0;
+	config->y = 0;
+	config->w = frame->width;
+	config->h = frame->height;
+}
+
+void mtk_mdp_hw_set_out_image_format(struct mtk_mdp_ctx *ctx)
+{
+	unsigned int i;
+	struct mtk_mdp_frame *frame = &ctx->d_frame;
+	struct mdp_config *config = &ctx->vpu.vsi->dst_config;
+	struct mdp_buffer *dst_buf = &ctx->vpu.vsi->dst_buffer;
+
+	dst_buf->plane_num = frame->fmt->num_comp;
+	config->format = mtk_mdp_map_color_format(frame->fmt->pixelformat);
+	config->w_stride = 0; /* MDP will calculate it by color format. */
+	config->h_stride = 0; /* MDP will calculate it by color format. */
+	for (i = 0; i < dst_buf->plane_num; i++)
+		dst_buf->plane_size[i] = frame->payload[i];
+}
+
+void mtk_mdp_hw_set_rotation(struct mtk_mdp_ctx *ctx)
+{
+	struct mdp_config_misc *misc = &ctx->vpu.vsi->misc;
+
+	misc->orientation = ctx->ctrls.rotate->val;
+	misc->hflip = ctx->ctrls.hflip->val;
+	misc->vflip = ctx->ctrls.vflip->val;
+}
+
+void mtk_mdp_hw_set_global_alpha(struct mtk_mdp_ctx *ctx)
+{
+	struct mdp_config_misc *misc = &ctx->vpu.vsi->misc;
+
+	misc->alpha = ctx->ctrls.global_alpha->val;
+}
diff --git a/drivers/media/platform/mtk-mdp/mtk_mdp_regs.h b/drivers/media/platform/mtk-mdp/mtk_mdp_regs.h
new file mode 100644
index 000000000000..42bd057e76cc
--- /dev/null
+++ b/drivers/media/platform/mtk-mdp/mtk_mdp_regs.h
@@ -0,0 +1,31 @@
+/*
+ * Copyright (c) 2016 MediaTek Inc.
+ * Author: Ming Hsiu Tsai <minghsiu.tsai@mediatek.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef __MTK_MDP_REGS_H__
+#define __MTK_MDP_REGS_H__
+
+
+void mtk_mdp_hw_set_input_addr(struct mtk_mdp_ctx *ctx,
+			       struct mtk_mdp_addr *addr);
+void mtk_mdp_hw_set_output_addr(struct mtk_mdp_ctx *ctx,
+				struct mtk_mdp_addr *addr);
+void mtk_mdp_hw_set_in_size(struct mtk_mdp_ctx *ctx);
+void mtk_mdp_hw_set_in_image_format(struct mtk_mdp_ctx *ctx);
+void mtk_mdp_hw_set_out_size(struct mtk_mdp_ctx *ctx);
+void mtk_mdp_hw_set_out_image_format(struct mtk_mdp_ctx *ctx);
+void mtk_mdp_hw_set_rotation(struct mtk_mdp_ctx *ctx);
+void mtk_mdp_hw_set_global_alpha(struct mtk_mdp_ctx *ctx);
+
+
+#endif /* __MTK_MDP_REGS_H__ */
diff --git a/drivers/media/platform/mtk-mdp/mtk_mdp_vpu.c b/drivers/media/platform/mtk-mdp/mtk_mdp_vpu.c
new file mode 100644
index 000000000000..4893825aa5dd
--- /dev/null
+++ b/drivers/media/platform/mtk-mdp/mtk_mdp_vpu.c
@@ -0,0 +1,145 @@
+/*
+ * Copyright (c) 2015-2016 MediaTek Inc.
+ * Author: Houlong Wei <houlong.wei@mediatek.com>
+ *         Ming Hsiu Tsai <minghsiu.tsai@mediatek.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include "mtk_mdp_core.h"
+#include "mtk_mdp_vpu.h"
+#include "mtk_vpu.h"
+
+
+static inline struct mtk_mdp_ctx *vpu_to_ctx(struct mtk_mdp_vpu *vpu)
+{
+	return container_of(vpu, struct mtk_mdp_ctx, vpu);
+}
+
+static void mtk_mdp_vpu_handle_init_ack(struct mdp_ipi_comm_ack *msg)
+{
+	struct mtk_mdp_vpu *vpu = (struct mtk_mdp_vpu *)
+					(unsigned long)msg->ap_inst;
+
+	/* mapping VPU address to kernel virtual address */
+	vpu->vsi = (struct mdp_process_vsi *)
+			vpu_mapping_dm_addr(vpu->pdev, msg->vpu_inst_addr);
+	vpu->inst_addr = msg->vpu_inst_addr;
+}
+
+static void mtk_mdp_vpu_ipi_handler(void *data, unsigned int len, void *priv)
+{
+	unsigned int msg_id = *(unsigned int *)data;
+	struct mdp_ipi_comm_ack *msg = (struct mdp_ipi_comm_ack *)data;
+	struct mtk_mdp_vpu *vpu = (struct mtk_mdp_vpu *)
+					(unsigned long)msg->ap_inst;
+	struct mtk_mdp_ctx *ctx;
+
+	vpu->failure = msg->status;
+	if (!vpu->failure) {
+		switch (msg_id) {
+		case VPU_MDP_INIT_ACK:
+			mtk_mdp_vpu_handle_init_ack(data);
+			break;
+		case VPU_MDP_DEINIT_ACK:
+		case VPU_MDP_PROCESS_ACK:
+			break;
+		default:
+			ctx = vpu_to_ctx(vpu);
+			dev_err(&ctx->mdp_dev->pdev->dev,
+				"handle unknown ipi msg:0x%x\n",
+				msg_id);
+			break;
+		}
+	} else {
+		ctx = vpu_to_ctx(vpu);
+		mtk_mdp_dbg(0, "[%d]:msg 0x%x, failure:%d", ctx->id,
+			    msg_id, vpu->failure);
+	}
+}
+
+int mtk_mdp_vpu_register(struct platform_device *pdev)
+{
+	struct mtk_mdp_dev *mdp = platform_get_drvdata(pdev);
+	int err;
+
+	err = vpu_ipi_register(mdp->vpu_dev, IPI_MDP,
+			       mtk_mdp_vpu_ipi_handler, "mdp_vpu", NULL);
+	if (err)
+		dev_err(&mdp->pdev->dev,
+			"vpu_ipi_registration fail status=%d\n", err);
+
+	return err;
+}
+
+static int mtk_mdp_vpu_send_msg(void *msg, int len, struct mtk_mdp_vpu *vpu,
+				int id)
+{
+	struct mtk_mdp_ctx *ctx = vpu_to_ctx(vpu);
+	int err;
+
+	if (!vpu->pdev) {
+		mtk_mdp_dbg(1, "[%d]:vpu pdev is NULL", ctx->id);
+		return -EINVAL;
+	}
+
+	mutex_lock(&ctx->mdp_dev->vpulock);
+	err = vpu_ipi_send(vpu->pdev, (enum ipi_id)id, msg, len);
+	if (err)
+		dev_err(&ctx->mdp_dev->pdev->dev,
+			"vpu_ipi_send fail status %d\n", err);
+	mutex_unlock(&ctx->mdp_dev->vpulock);
+
+	return err;
+}
+
+static int mtk_mdp_vpu_send_ap_ipi(struct mtk_mdp_vpu *vpu, uint32_t msg_id)
+{
+	int err;
+	struct mdp_ipi_comm msg;
+
+	msg.msg_id = msg_id;
+	msg.ipi_id = IPI_MDP;
+	msg.vpu_inst_addr = vpu->inst_addr;
+	msg.ap_inst = (unsigned long)vpu;
+	err = mtk_mdp_vpu_send_msg((void *)&msg, sizeof(msg), vpu, IPI_MDP);
+	if (!err && vpu->failure)
+		err = -EINVAL;
+
+	return err;
+}
+
+int mtk_mdp_vpu_init(struct mtk_mdp_vpu *vpu)
+{
+	int err;
+	struct mdp_ipi_init msg;
+	struct mtk_mdp_ctx *ctx = vpu_to_ctx(vpu);
+
+	vpu->pdev = ctx->mdp_dev->vpu_dev;
+
+	msg.msg_id = AP_MDP_INIT;
+	msg.ipi_id = IPI_MDP;
+	msg.ap_inst = (unsigned long)vpu;
+	err = mtk_mdp_vpu_send_msg((void *)&msg, sizeof(msg), vpu, IPI_MDP);
+	if (!err && vpu->failure)
+		err = -EINVAL;
+
+	return err;
+}
+
+int mtk_mdp_vpu_deinit(struct mtk_mdp_vpu *vpu)
+{
+	return mtk_mdp_vpu_send_ap_ipi(vpu, AP_MDP_DEINIT);
+}
+
+int mtk_mdp_vpu_process(struct mtk_mdp_vpu *vpu)
+{
+	return mtk_mdp_vpu_send_ap_ipi(vpu, AP_MDP_PROCESS);
+}
diff --git a/drivers/media/platform/mtk-mdp/mtk_mdp_vpu.h b/drivers/media/platform/mtk-mdp/mtk_mdp_vpu.h
new file mode 100644
index 000000000000..df4bddaa438e
--- /dev/null
+++ b/drivers/media/platform/mtk-mdp/mtk_mdp_vpu.h
@@ -0,0 +1,41 @@
+/*
+ * Copyright (c) 2015-2016 MediaTek Inc.
+ * Author: Houlong Wei <houlong.wei@mediatek.com>
+ *         Ming Hsiu Tsai <minghsiu.tsai@mediatek.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef __MTK_MDP_VPU_H__
+#define __MTK_MDP_VPU_H__
+
+#include "mtk_mdp_ipi.h"
+
+
+/**
+ * struct mtk_mdp_vpu - VPU instance for MDP
+ * @pdev	: pointer to the VPU platform device
+ * @inst_addr	: VPU MDP instance address
+ * @failure	: VPU execution result status
+ * @vsi		: VPU shared information
+ */
+struct mtk_mdp_vpu {
+	struct platform_device	*pdev;
+	uint32_t		inst_addr;
+	int32_t			failure;
+	struct mdp_process_vsi	*vsi;
+};
+
+int mtk_mdp_vpu_register(struct platform_device *pdev);
+int mtk_mdp_vpu_init(struct mtk_mdp_vpu *vpu);
+int mtk_mdp_vpu_deinit(struct mtk_mdp_vpu *vpu);
+int mtk_mdp_vpu_process(struct mtk_mdp_vpu *vpu);
+
+#endif /* __MTK_MDP_VPU_H__ */
diff --git a/drivers/media/platform/mtk-vcodec/Makefile b/drivers/media/platform/mtk-vcodec/Makefile
index dc5cb006d600..852d9697ccfa 100644
--- a/drivers/media/platform/mtk-vcodec/Makefile
+++ b/drivers/media/platform/mtk-vcodec/Makefile
@@ -1,7 +1,16 @@
 
-
-obj-$(CONFIG_VIDEO_MEDIATEK_VCODEC) += mtk-vcodec-enc.o mtk-vcodec-common.o
-
+obj-$(CONFIG_VIDEO_MEDIATEK_VCODEC) += mtk-vcodec-dec.o \
+				       mtk-vcodec-enc.o \
+				       mtk-vcodec-common.o
+
+mtk-vcodec-dec-y := vdec/vdec_h264_if.o \
+		vdec/vdec_vp8_if.o \
+		vdec/vdec_vp9_if.o \
+		mtk_vcodec_dec_drv.o \
+		vdec_drv_if.o \
+		vdec_vpu_if.o \
+		mtk_vcodec_dec.o \
+		mtk_vcodec_dec_pm.o \
 
 
 mtk-vcodec-enc-y := venc/venc_vp8_if.o \
diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec.c
new file mode 100644
index 000000000000..074659227864
--- /dev/null
+++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec.c
@@ -0,0 +1,1451 @@
+/*
+ * Copyright (c) 2016 MediaTek Inc.
+ * Author: PC Chen <pc.chen@mediatek.com>
+ *         Tiffany Lin <tiffany.lin@mediatek.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <media/v4l2-event.h>
+#include <media/v4l2-mem2mem.h>
+#include <media/videobuf2-dma-contig.h>
+
+#include "mtk_vcodec_drv.h"
+#include "mtk_vcodec_dec.h"
+#include "mtk_vcodec_intr.h"
+#include "mtk_vcodec_util.h"
+#include "vdec_drv_if.h"
+#include "mtk_vcodec_dec_pm.h"
+
+#define OUT_FMT_IDX	0
+#define CAP_FMT_IDX	3
+
+#define MTK_VDEC_MIN_W	64U
+#define MTK_VDEC_MIN_H	64U
+#define DFT_CFG_WIDTH	MTK_VDEC_MIN_W
+#define DFT_CFG_HEIGHT	MTK_VDEC_MIN_H
+
+static struct mtk_video_fmt mtk_video_formats[] = {
+	{
+		.fourcc = V4L2_PIX_FMT_H264,
+		.type = MTK_FMT_DEC,
+		.num_planes = 1,
+	},
+	{
+		.fourcc = V4L2_PIX_FMT_VP8,
+		.type = MTK_FMT_DEC,
+		.num_planes = 1,
+	},
+	{
+		.fourcc = V4L2_PIX_FMT_VP9,
+		.type = MTK_FMT_DEC,
+		.num_planes = 1,
+	},
+	{
+		.fourcc = V4L2_PIX_FMT_MT21C,
+		.type = MTK_FMT_FRAME,
+		.num_planes = 2,
+	},
+};
+
+static const struct mtk_codec_framesizes mtk_vdec_framesizes[] = {
+	{
+		.fourcc	= V4L2_PIX_FMT_H264,
+		.stepwise = {  MTK_VDEC_MIN_W, MTK_VDEC_MAX_W, 16,
+				MTK_VDEC_MIN_H, MTK_VDEC_MAX_H, 16 },
+	},
+	{
+		.fourcc	= V4L2_PIX_FMT_VP8,
+		.stepwise = {  MTK_VDEC_MIN_W, MTK_VDEC_MAX_W, 16,
+				MTK_VDEC_MIN_H, MTK_VDEC_MAX_H, 16 },
+	},
+	{
+		.fourcc = V4L2_PIX_FMT_VP9,
+		.stepwise = {  MTK_VDEC_MIN_W, MTK_VDEC_MAX_W, 16,
+				MTK_VDEC_MIN_H, MTK_VDEC_MAX_H, 16 },
+	},
+};
+
+#define NUM_SUPPORTED_FRAMESIZE ARRAY_SIZE(mtk_vdec_framesizes)
+#define NUM_FORMATS ARRAY_SIZE(mtk_video_formats)
+
+static struct mtk_video_fmt *mtk_vdec_find_format(struct v4l2_format *f)
+{
+	struct mtk_video_fmt *fmt;
+	unsigned int k;
+
+	for (k = 0; k < NUM_FORMATS; k++) {
+		fmt = &mtk_video_formats[k];
+		if (fmt->fourcc == f->fmt.pix_mp.pixelformat)
+			return fmt;
+	}
+
+	return NULL;
+}
+
+static struct mtk_q_data *mtk_vdec_get_q_data(struct mtk_vcodec_ctx *ctx,
+					      enum v4l2_buf_type type)
+{
+	if (V4L2_TYPE_IS_OUTPUT(type))
+		return &ctx->q_data[MTK_Q_DATA_SRC];
+
+	return &ctx->q_data[MTK_Q_DATA_DST];
+}
+
+/*
+ * This function tries to clean all display buffers, the buffers will return
+ * in display order.
+ * Note the buffers returned from codec driver may still be in driver's
+ * reference list.
+ */
+static struct vb2_buffer *get_display_buffer(struct mtk_vcodec_ctx *ctx)
+{
+	struct vdec_fb *disp_frame_buffer = NULL;
+	struct mtk_video_dec_buf *dstbuf;
+
+	mtk_v4l2_debug(3, "[%d]", ctx->id);
+	if (vdec_if_get_param(ctx,
+			GET_PARAM_DISP_FRAME_BUFFER,
+			&disp_frame_buffer)) {
+		mtk_v4l2_err("[%d]Cannot get param : GET_PARAM_DISP_FRAME_BUFFER",
+			ctx->id);
+		return NULL;
+	}
+
+	if (disp_frame_buffer == NULL) {
+		mtk_v4l2_debug(3, "No display frame buffer");
+		return NULL;
+	}
+
+	dstbuf = container_of(disp_frame_buffer, struct mtk_video_dec_buf,
+				frame_buffer);
+	mutex_lock(&ctx->lock);
+	if (dstbuf->used) {
+		vb2_set_plane_payload(&dstbuf->vb.vb2_buf, 0,
+					ctx->picinfo.y_bs_sz);
+		vb2_set_plane_payload(&dstbuf->vb.vb2_buf, 1,
+					ctx->picinfo.c_bs_sz);
+
+		dstbuf->ready_to_display = true;
+
+		mtk_v4l2_debug(2,
+				"[%d]status=%x queue id=%d to done_list %d",
+				ctx->id, disp_frame_buffer->status,
+				dstbuf->vb.vb2_buf.index,
+				dstbuf->queued_in_vb2);
+
+		v4l2_m2m_buf_done(&dstbuf->vb, VB2_BUF_STATE_DONE);
+		ctx->decoded_frame_cnt++;
+	}
+	mutex_unlock(&ctx->lock);
+	return &dstbuf->vb.vb2_buf;
+}
+
+/*
+ * This function tries to clean all capture buffers that are not used as
+ * reference buffers by codec driver any more
+ * In this case, we need re-queue buffer to vb2 buffer if user space
+ * already returns this buffer to v4l2 or this buffer is just the output of
+ * previous sps/pps/resolution change decode, or do nothing if user
+ * space still owns this buffer
+ */
+static struct vb2_buffer *get_free_buffer(struct mtk_vcodec_ctx *ctx)
+{
+	struct mtk_video_dec_buf *dstbuf;
+	struct vdec_fb *free_frame_buffer = NULL;
+
+	if (vdec_if_get_param(ctx,
+				GET_PARAM_FREE_FRAME_BUFFER,
+				&free_frame_buffer)) {
+		mtk_v4l2_err("[%d] Error!! Cannot get param", ctx->id);
+		return NULL;
+	}
+	if (free_frame_buffer == NULL) {
+		mtk_v4l2_debug(3, " No free frame buffer");
+		return NULL;
+	}
+
+	mtk_v4l2_debug(3, "[%d] tmp_frame_addr = 0x%p",
+			ctx->id, free_frame_buffer);
+
+	dstbuf = container_of(free_frame_buffer, struct mtk_video_dec_buf,
+				frame_buffer);
+
+	mutex_lock(&ctx->lock);
+	if (dstbuf->used) {
+		if ((dstbuf->queued_in_vb2) &&
+		    (dstbuf->queued_in_v4l2) &&
+		    (free_frame_buffer->status == FB_ST_FREE)) {
+			/*
+			 * After decode sps/pps or non-display buffer, we don't
+			 * need to return capture buffer to user space, but
+			 * just re-queue this capture buffer to vb2 queue.
+			 * This reduce overheads that dq/q unused capture
+			 * buffer. In this case, queued_in_vb2 = true.
+			 */
+			mtk_v4l2_debug(2,
+				"[%d]status=%x queue id=%d to rdy_queue %d",
+				ctx->id, free_frame_buffer->status,
+				dstbuf->vb.vb2_buf.index,
+				dstbuf->queued_in_vb2);
+			v4l2_m2m_buf_queue(ctx->m2m_ctx, &dstbuf->vb);
+		} else if ((dstbuf->queued_in_vb2 == false) &&
+			   (dstbuf->queued_in_v4l2 == true)) {
+			/*
+			 * If buffer in v4l2 driver but not in vb2 queue yet,
+			 * and we get this buffer from free_list, it means
+			 * that codec driver do not use this buffer as
+			 * reference buffer anymore. We should q buffer to vb2
+			 * queue, so later work thread could get this buffer
+			 * for decode. In this case, queued_in_vb2 = false
+			 * means this buffer is not from previous decode
+			 * output.
+			 */
+			mtk_v4l2_debug(2,
+					"[%d]status=%x queue id=%d to rdy_queue",
+					ctx->id, free_frame_buffer->status,
+					dstbuf->vb.vb2_buf.index);
+			v4l2_m2m_buf_queue(ctx->m2m_ctx, &dstbuf->vb);
+			dstbuf->queued_in_vb2 = true;
+		} else {
+			/*
+			 * Codec driver do not need to reference this capture
+			 * buffer and this buffer is not in v4l2 driver.
+			 * Then we don't need to do any thing, just add log when
+			 * we need to debug buffer flow.
+			 * When this buffer q from user space, it could
+			 * directly q to vb2 buffer
+			 */
+			mtk_v4l2_debug(3, "[%d]status=%x err queue id=%d %d %d",
+					ctx->id, free_frame_buffer->status,
+					dstbuf->vb.vb2_buf.index,
+					dstbuf->queued_in_vb2,
+					dstbuf->queued_in_v4l2);
+		}
+		dstbuf->used = false;
+	}
+	mutex_unlock(&ctx->lock);
+	return &dstbuf->vb.vb2_buf;
+}
+
+static void clean_display_buffer(struct mtk_vcodec_ctx *ctx)
+{
+	struct vb2_buffer *framptr;
+
+	do {
+		framptr = get_display_buffer(ctx);
+	} while (framptr);
+}
+
+static void clean_free_buffer(struct mtk_vcodec_ctx *ctx)
+{
+	struct vb2_buffer *framptr;
+
+	do {
+		framptr = get_free_buffer(ctx);
+	} while (framptr);
+}
+
+static void mtk_vdec_queue_res_chg_event(struct mtk_vcodec_ctx *ctx)
+{
+	static const struct v4l2_event ev_src_ch = {
+		.type = V4L2_EVENT_SOURCE_CHANGE,
+		.u.src_change.changes =
+		V4L2_EVENT_SRC_CH_RESOLUTION,
+	};
+
+	mtk_v4l2_debug(1, "[%d]", ctx->id);
+	v4l2_event_queue_fh(&ctx->fh, &ev_src_ch);
+}
+
+static void mtk_vdec_flush_decoder(struct mtk_vcodec_ctx *ctx)
+{
+	bool res_chg;
+	int ret = 0;
+
+	ret = vdec_if_decode(ctx, NULL, NULL, &res_chg);
+	if (ret)
+		mtk_v4l2_err("DecodeFinal failed, ret=%d", ret);
+
+	clean_display_buffer(ctx);
+	clean_free_buffer(ctx);
+}
+
+static void mtk_vdec_pic_info_update(struct mtk_vcodec_ctx *ctx)
+{
+	unsigned int dpbsize = 0;
+	int ret;
+
+	if (vdec_if_get_param(ctx,
+				GET_PARAM_PIC_INFO,
+				&ctx->last_decoded_picinfo)) {
+		mtk_v4l2_err("[%d]Error!! Cannot get param : GET_PARAM_PICTURE_INFO ERR",
+				ctx->id);
+		return;
+	}
+
+	if (ctx->last_decoded_picinfo.pic_w == 0 ||
+		ctx->last_decoded_picinfo.pic_h == 0 ||
+		ctx->last_decoded_picinfo.buf_w == 0 ||
+		ctx->last_decoded_picinfo.buf_h == 0) {
+		mtk_v4l2_err("Cannot get correct pic info");
+		return;
+	}
+
+	if ((ctx->last_decoded_picinfo.pic_w == ctx->picinfo.pic_w) ||
+	    (ctx->last_decoded_picinfo.pic_h == ctx->picinfo.pic_h))
+		return;
+
+	mtk_v4l2_debug(1,
+			"[%d]-> new(%d,%d), old(%d,%d), real(%d,%d)",
+			ctx->id, ctx->last_decoded_picinfo.pic_w,
+			ctx->last_decoded_picinfo.pic_h,
+			ctx->picinfo.pic_w, ctx->picinfo.pic_h,
+			ctx->last_decoded_picinfo.buf_w,
+			ctx->last_decoded_picinfo.buf_h);
+
+	ret = vdec_if_get_param(ctx, GET_PARAM_DPB_SIZE, &dpbsize);
+	if (dpbsize == 0)
+		mtk_v4l2_err("Incorrect dpb size, ret=%d", ret);
+
+	ctx->dpb_size = dpbsize;
+}
+
+static void mtk_vdec_worker(struct work_struct *work)
+{
+	struct mtk_vcodec_ctx *ctx = container_of(work, struct mtk_vcodec_ctx,
+				decode_work);
+	struct mtk_vcodec_dev *dev = ctx->dev;
+	struct vb2_buffer *src_buf, *dst_buf;
+	struct mtk_vcodec_mem buf;
+	struct vdec_fb *pfb;
+	bool res_chg = false;
+	int ret;
+	struct mtk_video_dec_buf *dst_buf_info, *src_buf_info;
+	struct vb2_v4l2_buffer *dst_vb2_v4l2, *src_vb2_v4l2;
+
+	src_buf = v4l2_m2m_next_src_buf(ctx->m2m_ctx);
+	if (src_buf == NULL) {
+		v4l2_m2m_job_finish(dev->m2m_dev_dec, ctx->m2m_ctx);
+		mtk_v4l2_debug(1, "[%d] src_buf empty!!", ctx->id);
+		return;
+	}
+
+	dst_buf = v4l2_m2m_next_dst_buf(ctx->m2m_ctx);
+	if (dst_buf == NULL) {
+		v4l2_m2m_job_finish(dev->m2m_dev_dec, ctx->m2m_ctx);
+		mtk_v4l2_debug(1, "[%d] dst_buf empty!!", ctx->id);
+		return;
+	}
+
+	src_vb2_v4l2 = container_of(src_buf, struct vb2_v4l2_buffer, vb2_buf);
+	src_buf_info = container_of(src_vb2_v4l2, struct mtk_video_dec_buf, vb);
+
+	dst_vb2_v4l2 = container_of(dst_buf, struct vb2_v4l2_buffer, vb2_buf);
+	dst_buf_info = container_of(dst_vb2_v4l2, struct mtk_video_dec_buf, vb);
+
+	buf.va = vb2_plane_vaddr(src_buf, 0);
+	buf.dma_addr = vb2_dma_contig_plane_dma_addr(src_buf, 0);
+	buf.size = (size_t)src_buf->planes[0].bytesused;
+	if (!buf.va) {
+		v4l2_m2m_job_finish(dev->m2m_dev_dec, ctx->m2m_ctx);
+		mtk_v4l2_err("[%d] id=%d src_addr is NULL!!",
+				ctx->id, src_buf->index);
+		return;
+	}
+
+	pfb = &dst_buf_info->frame_buffer;
+	pfb->base_y.va = vb2_plane_vaddr(dst_buf, 0);
+	pfb->base_y.dma_addr = vb2_dma_contig_plane_dma_addr(dst_buf, 0);
+	pfb->base_y.size = ctx->picinfo.y_bs_sz + ctx->picinfo.y_len_sz;
+
+	pfb->base_c.va = vb2_plane_vaddr(dst_buf, 1);
+	pfb->base_c.dma_addr = vb2_dma_contig_plane_dma_addr(dst_buf, 1);
+	pfb->base_c.size = ctx->picinfo.c_bs_sz + ctx->picinfo.c_len_sz;
+	pfb->status = 0;
+	mtk_v4l2_debug(3, "===>[%d] vdec_if_decode() ===>", ctx->id);
+	mtk_v4l2_debug(3, "[%d] Bitstream VA=%p DMA=%pad Size=%zx vb=%p",
+			ctx->id, buf.va, &buf.dma_addr, buf.size, src_buf);
+
+	mtk_v4l2_debug(3,
+			"id=%d Framebuf  pfb=%p VA=%p Y_DMA=%pad C_DMA=%pad Size=%zx",
+			dst_buf->index, pfb,
+			pfb->base_y.va, &pfb->base_y.dma_addr,
+			&pfb->base_c.dma_addr, pfb->base_y.size);
+
+	if (src_buf_info->lastframe) {
+		/* update src buf status */
+		src_buf = v4l2_m2m_src_buf_remove(ctx->m2m_ctx);
+		src_buf_info->lastframe = false;
+		v4l2_m2m_buf_done(&src_buf_info->vb, VB2_BUF_STATE_DONE);
+
+		/* update dst buf status */
+		dst_buf = v4l2_m2m_dst_buf_remove(ctx->m2m_ctx);
+		dst_buf_info->used = false;
+
+		vdec_if_decode(ctx, NULL, NULL, &res_chg);
+		clean_display_buffer(ctx);
+		vb2_set_plane_payload(&dst_buf_info->vb.vb2_buf, 0, 0);
+		vb2_set_plane_payload(&dst_buf_info->vb.vb2_buf, 1, 0);
+		v4l2_m2m_buf_done(&dst_buf_info->vb, VB2_BUF_STATE_DONE);
+		clean_free_buffer(ctx);
+		v4l2_m2m_job_finish(dev->m2m_dev_dec, ctx->m2m_ctx);
+		return;
+	}
+	dst_buf_info->vb.vb2_buf.timestamp
+			= src_buf_info->vb.vb2_buf.timestamp;
+	dst_buf_info->vb.timecode
+			= src_buf_info->vb.timecode;
+	mutex_lock(&ctx->lock);
+	dst_buf_info->used = true;
+	mutex_unlock(&ctx->lock);
+	src_buf_info->used = true;
+
+	ret = vdec_if_decode(ctx, &buf, pfb, &res_chg);
+
+	if (ret) {
+		mtk_v4l2_err(
+			" <===[%d], src_buf[%d]%d sz=0x%zx pts=%llu dst_buf[%d] vdec_if_decode() ret=%d res_chg=%d===>",
+			ctx->id,
+			src_buf->index,
+			src_buf_info->lastframe,
+			buf.size,
+			src_buf_info->vb.vb2_buf.timestamp,
+			dst_buf->index,
+			ret, res_chg);
+		src_buf = v4l2_m2m_src_buf_remove(ctx->m2m_ctx);
+		v4l2_m2m_buf_done(&src_buf_info->vb, VB2_BUF_STATE_ERROR);
+	} else if (res_chg == false) {
+		/*
+		 * we only return src buffer with VB2_BUF_STATE_DONE
+		 * when decode success without resolution change
+		 */
+		src_buf = v4l2_m2m_src_buf_remove(ctx->m2m_ctx);
+		v4l2_m2m_buf_done(&src_buf_info->vb, VB2_BUF_STATE_DONE);
+	}
+
+	dst_buf = v4l2_m2m_dst_buf_remove(ctx->m2m_ctx);
+	clean_display_buffer(ctx);
+	clean_free_buffer(ctx);
+
+	if (!ret && res_chg) {
+		mtk_vdec_pic_info_update(ctx);
+		/*
+		 * On encountering a resolution change in the stream.
+		 * The driver must first process and decode all
+		 * remaining buffers from before the resolution change
+		 * point, so call flush decode here
+		 */
+		mtk_vdec_flush_decoder(ctx);
+		/*
+		 * After all buffers containing decoded frames from
+		 * before the resolution change point ready to be
+		 * dequeued on the CAPTURE queue, the driver sends a
+		 * V4L2_EVENT_SOURCE_CHANGE event for source change
+		 * type V4L2_EVENT_SRC_CH_RESOLUTION
+		 */
+		mtk_vdec_queue_res_chg_event(ctx);
+	}
+	v4l2_m2m_job_finish(dev->m2m_dev_dec, ctx->m2m_ctx);
+}
+
+void mtk_vdec_unlock(struct mtk_vcodec_ctx *ctx)
+{
+	mutex_unlock(&ctx->dev->dec_mutex);
+}
+
+void mtk_vdec_lock(struct mtk_vcodec_ctx *ctx)
+{
+	mutex_lock(&ctx->dev->dec_mutex);
+}
+
+void mtk_vcodec_dec_release(struct mtk_vcodec_ctx *ctx)
+{
+	vdec_if_deinit(ctx);
+	ctx->state = MTK_STATE_FREE;
+}
+
+void mtk_vcodec_dec_set_default_params(struct mtk_vcodec_ctx *ctx)
+{
+	struct mtk_q_data *q_data;
+
+	ctx->m2m_ctx->q_lock = &ctx->dev->dev_mutex;
+	ctx->fh.m2m_ctx = ctx->m2m_ctx;
+	ctx->fh.ctrl_handler = &ctx->ctrl_hdl;
+	INIT_WORK(&ctx->decode_work, mtk_vdec_worker);
+	ctx->colorspace = V4L2_COLORSPACE_REC709;
+	ctx->ycbcr_enc = V4L2_YCBCR_ENC_DEFAULT;
+	ctx->quantization = V4L2_QUANTIZATION_DEFAULT;
+	ctx->xfer_func = V4L2_XFER_FUNC_DEFAULT;
+
+	q_data = &ctx->q_data[MTK_Q_DATA_SRC];
+	memset(q_data, 0, sizeof(struct mtk_q_data));
+	q_data->visible_width = DFT_CFG_WIDTH;
+	q_data->visible_height = DFT_CFG_HEIGHT;
+	q_data->fmt = &mtk_video_formats[OUT_FMT_IDX];
+	q_data->field = V4L2_FIELD_NONE;
+
+	q_data->sizeimage[0] = DFT_CFG_WIDTH * DFT_CFG_HEIGHT;
+	q_data->bytesperline[0] = 0;
+
+	q_data = &ctx->q_data[MTK_Q_DATA_DST];
+	memset(q_data, 0, sizeof(struct mtk_q_data));
+	q_data->visible_width = DFT_CFG_WIDTH;
+	q_data->visible_height = DFT_CFG_HEIGHT;
+	q_data->coded_width = DFT_CFG_WIDTH;
+	q_data->coded_height = DFT_CFG_HEIGHT;
+	q_data->fmt = &mtk_video_formats[CAP_FMT_IDX];
+	q_data->field = V4L2_FIELD_NONE;
+
+	v4l_bound_align_image(&q_data->coded_width,
+				MTK_VDEC_MIN_W,
+				MTK_VDEC_MAX_W, 4,
+				&q_data->coded_height,
+				MTK_VDEC_MIN_H,
+				MTK_VDEC_MAX_H, 5, 6);
+
+	q_data->sizeimage[0] = q_data->coded_width * q_data->coded_height;
+	q_data->bytesperline[0] = q_data->coded_width;
+	q_data->sizeimage[1] = q_data->sizeimage[0] / 2;
+	q_data->bytesperline[1] = q_data->coded_width;
+}
+
+static int vidioc_vdec_qbuf(struct file *file, void *priv,
+			    struct v4l2_buffer *buf)
+{
+	struct mtk_vcodec_ctx *ctx = fh_to_ctx(priv);
+	struct vb2_queue *vq;
+	struct vb2_buffer *vb;
+	struct mtk_video_dec_buf *mtkbuf;
+	struct vb2_v4l2_buffer	*vb2_v4l2;
+
+	if (ctx->state == MTK_STATE_ABORT) {
+		mtk_v4l2_err("[%d] Call on QBUF after unrecoverable error",
+				ctx->id);
+		return -EIO;
+	}
+
+	vq = v4l2_m2m_get_vq(ctx->m2m_ctx, buf->type);
+	if (buf->index >= vq->num_buffers) {
+		mtk_v4l2_debug(1, "buffer index %d out of range", buf->index);
+		return -EINVAL;
+	}
+	vb = vq->bufs[buf->index];
+	vb2_v4l2 = container_of(vb, struct vb2_v4l2_buffer, vb2_buf);
+	mtkbuf = container_of(vb2_v4l2, struct mtk_video_dec_buf, vb);
+
+	if ((buf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) &&
+	    (buf->m.planes[0].bytesused == 0)) {
+		mtkbuf->lastframe = true;
+		mtk_v4l2_debug(1, "[%d] (%d) id=%d lastframe=%d (%d,%d, %d) vb=%p",
+			 ctx->id, buf->type, buf->index,
+			 mtkbuf->lastframe, buf->bytesused,
+			 buf->m.planes[0].bytesused, buf->length,
+			 vb);
+	}
+
+	return v4l2_m2m_qbuf(file, ctx->m2m_ctx, buf);
+}
+
+static int vidioc_vdec_dqbuf(struct file *file, void *priv,
+			     struct v4l2_buffer *buf)
+{
+	struct mtk_vcodec_ctx *ctx = fh_to_ctx(priv);
+
+	if (ctx->state == MTK_STATE_ABORT) {
+		mtk_v4l2_err("[%d] Call on DQBUF after unrecoverable error",
+				ctx->id);
+		return -EIO;
+	}
+
+	return v4l2_m2m_dqbuf(file, ctx->m2m_ctx, buf);
+}
+
+static int vidioc_vdec_querycap(struct file *file, void *priv,
+				struct v4l2_capability *cap)
+{
+	strlcpy(cap->driver, MTK_VCODEC_DEC_NAME, sizeof(cap->driver));
+	strlcpy(cap->bus_info, MTK_PLATFORM_STR, sizeof(cap->bus_info));
+	strlcpy(cap->card, MTK_PLATFORM_STR, sizeof(cap->card));
+
+	return 0;
+}
+
+static int vidioc_vdec_subscribe_evt(struct v4l2_fh *fh,
+				     const struct v4l2_event_subscription *sub)
+{
+	switch (sub->type) {
+	case V4L2_EVENT_EOS:
+		return v4l2_event_subscribe(fh, sub, 2, NULL);
+	case V4L2_EVENT_SOURCE_CHANGE:
+		return v4l2_src_change_event_subscribe(fh, sub);
+	default:
+		return v4l2_ctrl_subscribe_event(fh, sub);
+	}
+}
+
+static int vidioc_try_fmt(struct v4l2_format *f, struct mtk_video_fmt *fmt)
+{
+	struct v4l2_pix_format_mplane *pix_fmt_mp = &f->fmt.pix_mp;
+	int i;
+
+	pix_fmt_mp->field = V4L2_FIELD_NONE;
+
+	if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
+		pix_fmt_mp->num_planes = 1;
+		pix_fmt_mp->plane_fmt[0].bytesperline = 0;
+	} else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
+		int tmp_w, tmp_h;
+
+		pix_fmt_mp->height = clamp(pix_fmt_mp->height,
+					MTK_VDEC_MIN_H,
+					MTK_VDEC_MAX_H);
+		pix_fmt_mp->width = clamp(pix_fmt_mp->width,
+					MTK_VDEC_MIN_W,
+					MTK_VDEC_MAX_W);
+
+		/*
+		 * Find next closer width align 64, heign align 64, size align
+		 * 64 rectangle
+		 * Note: This only get default value, the real HW needed value
+		 *       only available when ctx in MTK_STATE_HEADER state
+		 */
+		tmp_w = pix_fmt_mp->width;
+		tmp_h = pix_fmt_mp->height;
+		v4l_bound_align_image(&pix_fmt_mp->width,
+					MTK_VDEC_MIN_W,
+					MTK_VDEC_MAX_W, 6,
+					&pix_fmt_mp->height,
+					MTK_VDEC_MIN_H,
+					MTK_VDEC_MAX_H, 6, 9);
+
+		if (pix_fmt_mp->width < tmp_w &&
+			(pix_fmt_mp->width + 64) <= MTK_VDEC_MAX_W)
+			pix_fmt_mp->width += 64;
+		if (pix_fmt_mp->height < tmp_h &&
+			(pix_fmt_mp->height + 64) <= MTK_VDEC_MAX_H)
+			pix_fmt_mp->height += 64;
+
+		mtk_v4l2_debug(0,
+			"before resize width=%d, height=%d, after resize width=%d, height=%d, sizeimage=%d",
+			tmp_w, tmp_h, pix_fmt_mp->width,
+			pix_fmt_mp->height,
+			pix_fmt_mp->width * pix_fmt_mp->height);
+
+		pix_fmt_mp->num_planes = fmt->num_planes;
+		pix_fmt_mp->plane_fmt[0].sizeimage =
+				pix_fmt_mp->width * pix_fmt_mp->height;
+		pix_fmt_mp->plane_fmt[0].bytesperline = pix_fmt_mp->width;
+
+		if (pix_fmt_mp->num_planes == 2) {
+			pix_fmt_mp->plane_fmt[1].sizeimage =
+				(pix_fmt_mp->width * pix_fmt_mp->height) / 2;
+			pix_fmt_mp->plane_fmt[1].bytesperline =
+				pix_fmt_mp->width;
+		}
+	}
+
+	for (i = 0; i < pix_fmt_mp->num_planes; i++)
+		memset(&(pix_fmt_mp->plane_fmt[i].reserved[0]), 0x0,
+			   sizeof(pix_fmt_mp->plane_fmt[0].reserved));
+
+	pix_fmt_mp->flags = 0;
+	memset(&pix_fmt_mp->reserved, 0x0, sizeof(pix_fmt_mp->reserved));
+	return 0;
+}
+
+static int vidioc_try_fmt_vid_cap_mplane(struct file *file, void *priv,
+				struct v4l2_format *f)
+{
+	struct mtk_video_fmt *fmt;
+
+	fmt = mtk_vdec_find_format(f);
+	if (!fmt) {
+		f->fmt.pix.pixelformat = mtk_video_formats[CAP_FMT_IDX].fourcc;
+		fmt = mtk_vdec_find_format(f);
+	}
+
+	return vidioc_try_fmt(f, fmt);
+}
+
+static int vidioc_try_fmt_vid_out_mplane(struct file *file, void *priv,
+				struct v4l2_format *f)
+{
+	struct v4l2_pix_format_mplane *pix_fmt_mp = &f->fmt.pix_mp;
+	struct mtk_video_fmt *fmt;
+
+	fmt = mtk_vdec_find_format(f);
+	if (!fmt) {
+		f->fmt.pix.pixelformat = mtk_video_formats[OUT_FMT_IDX].fourcc;
+		fmt = mtk_vdec_find_format(f);
+	}
+
+	if (pix_fmt_mp->plane_fmt[0].sizeimage == 0) {
+		mtk_v4l2_err("sizeimage of output format must be given");
+		return -EINVAL;
+	}
+
+	return vidioc_try_fmt(f, fmt);
+}
+
+static int vidioc_vdec_g_selection(struct file *file, void *priv,
+			struct v4l2_selection *s)
+{
+	struct mtk_vcodec_ctx *ctx = fh_to_ctx(priv);
+	struct mtk_q_data *q_data;
+
+	if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
+		return -EINVAL;
+
+	q_data = &ctx->q_data[MTK_Q_DATA_DST];
+
+	switch (s->target) {
+	case V4L2_SEL_TGT_COMPOSE_DEFAULT:
+		s->r.left = 0;
+		s->r.top = 0;
+		s->r.width = ctx->picinfo.pic_w;
+		s->r.height = ctx->picinfo.pic_h;
+		break;
+	case V4L2_SEL_TGT_COMPOSE_BOUNDS:
+		s->r.left = 0;
+		s->r.top = 0;
+		s->r.width = ctx->picinfo.buf_w;
+		s->r.height = ctx->picinfo.buf_h;
+		break;
+	case V4L2_SEL_TGT_COMPOSE:
+		if (vdec_if_get_param(ctx, GET_PARAM_CROP_INFO, &(s->r))) {
+			/* set to default value if header info not ready yet*/
+			s->r.left = 0;
+			s->r.top = 0;
+			s->r.width = q_data->visible_width;
+			s->r.height = q_data->visible_height;
+		}
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	if (ctx->state < MTK_STATE_HEADER) {
+		/* set to default value if header info not ready yet*/
+		s->r.left = 0;
+		s->r.top = 0;
+		s->r.width = q_data->visible_width;
+		s->r.height = q_data->visible_height;
+		return 0;
+	}
+
+	return 0;
+}
+
+static int vidioc_vdec_s_selection(struct file *file, void *priv,
+				struct v4l2_selection *s)
+{
+	struct mtk_vcodec_ctx *ctx = fh_to_ctx(priv);
+
+	if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
+		return -EINVAL;
+
+	switch (s->target) {
+	case V4L2_SEL_TGT_COMPOSE:
+		s->r.left = 0;
+		s->r.top = 0;
+		s->r.width = ctx->picinfo.pic_w;
+		s->r.height = ctx->picinfo.pic_h;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static int vidioc_vdec_s_fmt(struct file *file, void *priv,
+			     struct v4l2_format *f)
+{
+	struct mtk_vcodec_ctx *ctx = fh_to_ctx(priv);
+	struct v4l2_pix_format_mplane *pix_mp;
+	struct mtk_q_data *q_data;
+	int ret = 0;
+	struct mtk_video_fmt *fmt;
+
+	mtk_v4l2_debug(3, "[%d]", ctx->id);
+
+	q_data = mtk_vdec_get_q_data(ctx, f->type);
+	if (!q_data)
+		return -EINVAL;
+
+	pix_mp = &f->fmt.pix_mp;
+	if ((f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) &&
+	    vb2_is_busy(&ctx->m2m_ctx->out_q_ctx.q)) {
+		mtk_v4l2_err("out_q_ctx buffers already requested");
+		ret = -EBUSY;
+	}
+
+	if ((f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) &&
+	    vb2_is_busy(&ctx->m2m_ctx->cap_q_ctx.q)) {
+		mtk_v4l2_err("cap_q_ctx buffers already requested");
+		ret = -EBUSY;
+	}
+
+	fmt = mtk_vdec_find_format(f);
+	if (fmt == NULL) {
+		if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
+			f->fmt.pix.pixelformat =
+				mtk_video_formats[OUT_FMT_IDX].fourcc;
+			fmt = mtk_vdec_find_format(f);
+		} else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
+			f->fmt.pix.pixelformat =
+				mtk_video_formats[CAP_FMT_IDX].fourcc;
+			fmt = mtk_vdec_find_format(f);
+		}
+	}
+
+	q_data->fmt = fmt;
+	vidioc_try_fmt(f, q_data->fmt);
+	if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
+		q_data->sizeimage[0] = pix_mp->plane_fmt[0].sizeimage;
+		q_data->coded_width = pix_mp->width;
+		q_data->coded_height = pix_mp->height;
+
+		ctx->colorspace = f->fmt.pix_mp.colorspace;
+		ctx->ycbcr_enc = f->fmt.pix_mp.ycbcr_enc;
+		ctx->quantization = f->fmt.pix_mp.quantization;
+		ctx->xfer_func = f->fmt.pix_mp.xfer_func;
+
+		if (ctx->state == MTK_STATE_FREE) {
+			ret = vdec_if_init(ctx, q_data->fmt->fourcc);
+			if (ret) {
+				mtk_v4l2_err("[%d]: vdec_if_init() fail ret=%d",
+					ctx->id, ret);
+				return -EINVAL;
+			}
+			ctx->state = MTK_STATE_INIT;
+		}
+	}
+
+	return 0;
+}
+
+static int vidioc_enum_framesizes(struct file *file, void *priv,
+				struct v4l2_frmsizeenum *fsize)
+{
+	int i = 0;
+	struct mtk_vcodec_ctx *ctx = fh_to_ctx(priv);
+
+	if (fsize->index != 0)
+		return -EINVAL;
+
+	for (i = 0; i < NUM_SUPPORTED_FRAMESIZE; ++i) {
+		if (fsize->pixel_format != mtk_vdec_framesizes[i].fourcc)
+			continue;
+
+		fsize->type = V4L2_FRMSIZE_TYPE_STEPWISE;
+		fsize->stepwise = mtk_vdec_framesizes[i].stepwise;
+		if (!(ctx->dev->dec_capability &
+				VCODEC_CAPABILITY_4K_DISABLED)) {
+			mtk_v4l2_debug(3, "4K is enabled");
+			fsize->stepwise.max_width =
+					VCODEC_DEC_4K_CODED_WIDTH;
+			fsize->stepwise.max_height =
+					VCODEC_DEC_4K_CODED_HEIGHT;
+		}
+		mtk_v4l2_debug(1, "%x, %d %d %d %d %d %d",
+				ctx->dev->dec_capability,
+				fsize->stepwise.min_width,
+				fsize->stepwise.max_width,
+				fsize->stepwise.step_width,
+				fsize->stepwise.min_height,
+				fsize->stepwise.max_height,
+				fsize->stepwise.step_height);
+		return 0;
+	}
+
+	return -EINVAL;
+}
+
+static int vidioc_enum_fmt(struct v4l2_fmtdesc *f, bool output_queue)
+{
+	struct mtk_video_fmt *fmt;
+	int i, j = 0;
+
+	for (i = 0; i < NUM_FORMATS; i++) {
+		if (output_queue && (mtk_video_formats[i].type != MTK_FMT_DEC))
+			continue;
+		if (!output_queue &&
+			(mtk_video_formats[i].type != MTK_FMT_FRAME))
+			continue;
+
+		if (j == f->index)
+			break;
+		++j;
+	}
+
+	if (i == NUM_FORMATS)
+		return -EINVAL;
+
+	fmt = &mtk_video_formats[i];
+	f->pixelformat = fmt->fourcc;
+
+	return 0;
+}
+
+static int vidioc_vdec_enum_fmt_vid_cap_mplane(struct file *file, void *pirv,
+					       struct v4l2_fmtdesc *f)
+{
+	return vidioc_enum_fmt(f, false);
+}
+
+static int vidioc_vdec_enum_fmt_vid_out_mplane(struct file *file, void *priv,
+					       struct v4l2_fmtdesc *f)
+{
+	return vidioc_enum_fmt(f, true);
+}
+
+static int vidioc_vdec_g_fmt(struct file *file, void *priv,
+			     struct v4l2_format *f)
+{
+	struct mtk_vcodec_ctx *ctx = fh_to_ctx(priv);
+	struct v4l2_pix_format_mplane *pix_mp = &f->fmt.pix_mp;
+	struct vb2_queue *vq;
+	struct mtk_q_data *q_data;
+
+	vq = v4l2_m2m_get_vq(ctx->m2m_ctx, f->type);
+	if (!vq) {
+		mtk_v4l2_err("no vb2 queue for type=%d", f->type);
+		return -EINVAL;
+	}
+
+	q_data = mtk_vdec_get_q_data(ctx, f->type);
+
+	pix_mp->field = V4L2_FIELD_NONE;
+	pix_mp->colorspace = ctx->colorspace;
+	pix_mp->ycbcr_enc = ctx->ycbcr_enc;
+	pix_mp->quantization = ctx->quantization;
+	pix_mp->xfer_func = ctx->xfer_func;
+
+	if ((f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) &&
+	    (ctx->state >= MTK_STATE_HEADER)) {
+		/* Until STREAMOFF is called on the CAPTURE queue
+		 * (acknowledging the event), the driver operates as if
+		 * the resolution hasn't changed yet.
+		 * So we just return picinfo yet, and update picinfo in
+		 * stop_streaming hook function
+		 */
+		q_data->sizeimage[0] = ctx->picinfo.y_bs_sz +
+					ctx->picinfo.y_len_sz;
+		q_data->sizeimage[1] = ctx->picinfo.c_bs_sz +
+					ctx->picinfo.c_len_sz;
+		q_data->bytesperline[0] = ctx->last_decoded_picinfo.buf_w;
+		q_data->bytesperline[1] = ctx->last_decoded_picinfo.buf_w;
+		q_data->coded_width = ctx->picinfo.buf_w;
+		q_data->coded_height = ctx->picinfo.buf_h;
+
+		/*
+		 * Width and height are set to the dimensions
+		 * of the movie, the buffer is bigger and
+		 * further processing stages should crop to this
+		 * rectangle.
+		 */
+		pix_mp->width = q_data->coded_width;
+		pix_mp->height = q_data->coded_height;
+
+		/*
+		 * Set pixelformat to the format in which mt vcodec
+		 * outputs the decoded frame
+		 */
+		pix_mp->num_planes = q_data->fmt->num_planes;
+		pix_mp->pixelformat = q_data->fmt->fourcc;
+		pix_mp->plane_fmt[0].bytesperline = q_data->bytesperline[0];
+		pix_mp->plane_fmt[0].sizeimage = q_data->sizeimage[0];
+		pix_mp->plane_fmt[1].bytesperline = q_data->bytesperline[1];
+		pix_mp->plane_fmt[1].sizeimage = q_data->sizeimage[1];
+
+	} else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
+		/*
+		 * This is run on OUTPUT
+		 * The buffer contains compressed image
+		 * so width and height have no meaning.
+		 * Assign value here to pass v4l2-compliance test
+		 */
+		pix_mp->width = q_data->visible_width;
+		pix_mp->height = q_data->visible_height;
+		pix_mp->plane_fmt[0].bytesperline = q_data->bytesperline[0];
+		pix_mp->plane_fmt[0].sizeimage = q_data->sizeimage[0];
+		pix_mp->pixelformat = q_data->fmt->fourcc;
+		pix_mp->num_planes = q_data->fmt->num_planes;
+	} else {
+		pix_mp->width = q_data->coded_width;
+		pix_mp->height = q_data->coded_height;
+		pix_mp->num_planes = q_data->fmt->num_planes;
+		pix_mp->pixelformat = q_data->fmt->fourcc;
+		pix_mp->plane_fmt[0].bytesperline = q_data->bytesperline[0];
+		pix_mp->plane_fmt[0].sizeimage = q_data->sizeimage[0];
+		pix_mp->plane_fmt[1].bytesperline = q_data->bytesperline[1];
+		pix_mp->plane_fmt[1].sizeimage = q_data->sizeimage[1];
+
+		mtk_v4l2_debug(1, "[%d] type=%d state=%d Format information could not be read, not ready yet!",
+				ctx->id, f->type, ctx->state);
+	}
+
+	return 0;
+}
+
+static int vb2ops_vdec_queue_setup(struct vb2_queue *vq,
+				unsigned int *nbuffers,
+				unsigned int *nplanes,
+				unsigned int sizes[],
+				struct device *alloc_devs[])
+{
+	struct mtk_vcodec_ctx *ctx = vb2_get_drv_priv(vq);
+	struct mtk_q_data *q_data;
+	unsigned int i;
+
+	q_data = mtk_vdec_get_q_data(ctx, vq->type);
+
+	if (q_data == NULL) {
+		mtk_v4l2_err("vq->type=%d err\n", vq->type);
+		return -EINVAL;
+	}
+
+	if (*nplanes) {
+		for (i = 0; i < *nplanes; i++) {
+			if (sizes[i] < q_data->sizeimage[i])
+				return -EINVAL;
+		}
+	} else {
+		if (vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
+			*nplanes = 2;
+		else
+			*nplanes = 1;
+
+		for (i = 0; i < *nplanes; i++)
+			sizes[i] = q_data->sizeimage[i];
+	}
+
+	mtk_v4l2_debug(1,
+			"[%d]\t type = %d, get %d plane(s), %d buffer(s) of size 0x%x 0x%x ",
+			ctx->id, vq->type, *nplanes, *nbuffers,
+			sizes[0], sizes[1]);
+
+	return 0;
+}
+
+static int vb2ops_vdec_buf_prepare(struct vb2_buffer *vb)
+{
+	struct mtk_vcodec_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
+	struct mtk_q_data *q_data;
+	int i;
+
+	mtk_v4l2_debug(3, "[%d] (%d) id=%d",
+			ctx->id, vb->vb2_queue->type, vb->index);
+
+	q_data = mtk_vdec_get_q_data(ctx, vb->vb2_queue->type);
+
+	for (i = 0; i < q_data->fmt->num_planes; i++) {
+		if (vb2_plane_size(vb, i) < q_data->sizeimage[i]) {
+			mtk_v4l2_err("data will not fit into plane %d (%lu < %d)",
+				i, vb2_plane_size(vb, i),
+				q_data->sizeimage[i]);
+		}
+	}
+
+	return 0;
+}
+
+static void vb2ops_vdec_buf_queue(struct vb2_buffer *vb)
+{
+	struct vb2_buffer *src_buf;
+	struct mtk_vcodec_mem src_mem;
+	bool res_chg = false;
+	int ret = 0;
+	unsigned int dpbsize = 1;
+	struct mtk_vcodec_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
+	struct vb2_v4l2_buffer *vb2_v4l2 = container_of(vb,
+				struct vb2_v4l2_buffer, vb2_buf);
+	struct mtk_video_dec_buf *buf = container_of(vb2_v4l2,
+				struct mtk_video_dec_buf, vb);
+
+	mtk_v4l2_debug(3, "[%d] (%d) id=%d, vb=%p",
+			ctx->id, vb->vb2_queue->type,
+			vb->index, vb);
+	/*
+	 * check if this buffer is ready to be used after decode
+	 */
+	if (vb->vb2_queue->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
+		mutex_lock(&ctx->lock);
+		if (buf->used == false) {
+			v4l2_m2m_buf_queue(ctx->m2m_ctx,
+					to_vb2_v4l2_buffer(vb));
+			buf->queued_in_vb2 = true;
+			buf->queued_in_v4l2 = true;
+			buf->ready_to_display = false;
+		} else {
+			buf->queued_in_vb2 = false;
+			buf->queued_in_v4l2 = true;
+			buf->ready_to_display = false;
+		}
+		mutex_unlock(&ctx->lock);
+		return;
+	}
+
+	v4l2_m2m_buf_queue(ctx->m2m_ctx, vb2_v4l2);
+
+	if (ctx->state != MTK_STATE_INIT) {
+		mtk_v4l2_debug(3, "[%d] already init driver %d",
+				ctx->id, ctx->state);
+		return;
+	}
+
+	src_buf = v4l2_m2m_next_src_buf(ctx->m2m_ctx);
+	if (!src_buf) {
+		mtk_v4l2_err("No src buffer");
+		return;
+	}
+
+	src_mem.va = vb2_plane_vaddr(src_buf, 0);
+	src_mem.dma_addr = vb2_dma_contig_plane_dma_addr(src_buf, 0);
+	src_mem.size = (size_t)src_buf->planes[0].bytesused;
+	mtk_v4l2_debug(2,
+			"[%d] buf id=%d va=%p dma=%pad size=%zx",
+			ctx->id, src_buf->index,
+			src_mem.va, &src_mem.dma_addr,
+			src_mem.size);
+
+	ret = vdec_if_decode(ctx, &src_mem, NULL, &res_chg);
+	if (ret || !res_chg) {
+		/*
+		 * fb == NULL menas to parse SPS/PPS header or
+		 * resolution info in src_mem. Decode can fail
+		 * if there is no SPS header or picture info
+		 * in bs
+		 */
+		int log_level = ret ? 0 : 1;
+
+		src_buf = v4l2_m2m_src_buf_remove(ctx->m2m_ctx);
+		v4l2_m2m_buf_done(to_vb2_v4l2_buffer(src_buf),
+					VB2_BUF_STATE_DONE);
+		mtk_v4l2_debug(log_level,
+				"[%d] vdec_if_decode() src_buf=%d, size=%zu, fail=%d, res_chg=%d",
+				ctx->id, src_buf->index,
+				src_mem.size, ret, res_chg);
+		return;
+	}
+
+	if (vdec_if_get_param(ctx, GET_PARAM_PIC_INFO, &ctx->picinfo)) {
+		mtk_v4l2_err("[%d]Error!! Cannot get param : GET_PARAM_PICTURE_INFO ERR",
+				ctx->id);
+		return;
+	}
+
+	ctx->last_decoded_picinfo = ctx->picinfo;
+	ctx->q_data[MTK_Q_DATA_DST].sizeimage[0] =
+						ctx->picinfo.y_bs_sz +
+						ctx->picinfo.y_len_sz;
+	ctx->q_data[MTK_Q_DATA_DST].bytesperline[0] =
+						ctx->picinfo.buf_w;
+	ctx->q_data[MTK_Q_DATA_DST].sizeimage[1] =
+						ctx->picinfo.c_bs_sz +
+						ctx->picinfo.c_len_sz;
+	ctx->q_data[MTK_Q_DATA_DST].bytesperline[1] = ctx->picinfo.buf_w;
+	mtk_v4l2_debug(2, "[%d] vdec_if_init() OK wxh=%dx%d pic wxh=%dx%d sz[0]=0x%x sz[1]=0x%x",
+			ctx->id,
+			ctx->picinfo.buf_w, ctx->picinfo.buf_h,
+			ctx->picinfo.pic_w, ctx->picinfo.pic_h,
+			ctx->q_data[MTK_Q_DATA_DST].sizeimage[0],
+			ctx->q_data[MTK_Q_DATA_DST].sizeimage[1]);
+
+	ret = vdec_if_get_param(ctx, GET_PARAM_DPB_SIZE, &dpbsize);
+	if (dpbsize == 0)
+		mtk_v4l2_err("[%d] GET_PARAM_DPB_SIZE fail=%d", ctx->id, ret);
+
+	ctx->dpb_size = dpbsize;
+	ctx->state = MTK_STATE_HEADER;
+	mtk_v4l2_debug(1, "[%d] dpbsize=%d", ctx->id, ctx->dpb_size);
+}
+
+static void vb2ops_vdec_buf_finish(struct vb2_buffer *vb)
+{
+	struct mtk_vcodec_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
+	struct vb2_v4l2_buffer *vb2_v4l2;
+	struct mtk_video_dec_buf *buf;
+
+	if (vb->vb2_queue->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
+		return;
+
+	vb2_v4l2 = container_of(vb, struct vb2_v4l2_buffer, vb2_buf);
+	buf = container_of(vb2_v4l2, struct mtk_video_dec_buf, vb);
+	mutex_lock(&ctx->lock);
+	buf->queued_in_v4l2 = false;
+	buf->queued_in_vb2 = false;
+	mutex_unlock(&ctx->lock);
+}
+
+static int vb2ops_vdec_buf_init(struct vb2_buffer *vb)
+{
+	struct vb2_v4l2_buffer *vb2_v4l2 = container_of(vb,
+					struct vb2_v4l2_buffer, vb2_buf);
+	struct mtk_video_dec_buf *buf = container_of(vb2_v4l2,
+					struct mtk_video_dec_buf, vb);
+
+	if (vb->vb2_queue->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
+		buf->used = false;
+		buf->ready_to_display = false;
+		buf->queued_in_v4l2 = false;
+	} else {
+		buf->lastframe = false;
+	}
+
+	return 0;
+}
+
+static int vb2ops_vdec_start_streaming(struct vb2_queue *q, unsigned int count)
+{
+	struct mtk_vcodec_ctx *ctx = vb2_get_drv_priv(q);
+
+	if (ctx->state == MTK_STATE_FLUSH)
+		ctx->state = MTK_STATE_HEADER;
+
+	return 0;
+}
+
+static void vb2ops_vdec_stop_streaming(struct vb2_queue *q)
+{
+	struct vb2_buffer *src_buf = NULL, *dst_buf = NULL;
+	struct mtk_vcodec_ctx *ctx = vb2_get_drv_priv(q);
+
+	mtk_v4l2_debug(3, "[%d] (%d) state=(%x) ctx->decoded_frame_cnt=%d",
+			ctx->id, q->type, ctx->state, ctx->decoded_frame_cnt);
+
+	if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
+		while ((src_buf = v4l2_m2m_src_buf_remove(ctx->m2m_ctx)))
+			v4l2_m2m_buf_done(to_vb2_v4l2_buffer(src_buf),
+					VB2_BUF_STATE_ERROR);
+		return;
+	}
+
+	if (ctx->state >= MTK_STATE_HEADER) {
+
+		/* Until STREAMOFF is called on the CAPTURE queue
+		 * (acknowledging the event), the driver operates
+		 * as if the resolution hasn't changed yet, i.e.
+		 * VIDIOC_G_FMT< etc. return previous resolution.
+		 * So we update picinfo here
+		 */
+		ctx->picinfo = ctx->last_decoded_picinfo;
+
+		mtk_v4l2_debug(2,
+				"[%d]-> new(%d,%d), old(%d,%d), real(%d,%d)",
+				ctx->id, ctx->last_decoded_picinfo.pic_w,
+				ctx->last_decoded_picinfo.pic_h,
+				ctx->picinfo.pic_w, ctx->picinfo.pic_h,
+				ctx->last_decoded_picinfo.buf_w,
+				ctx->last_decoded_picinfo.buf_h);
+
+		mtk_vdec_flush_decoder(ctx);
+	}
+	ctx->state = MTK_STATE_FLUSH;
+
+	while ((dst_buf = v4l2_m2m_dst_buf_remove(ctx->m2m_ctx))) {
+		vb2_set_plane_payload(dst_buf, 0, 0);
+		vb2_set_plane_payload(dst_buf, 1, 0);
+		v4l2_m2m_buf_done(to_vb2_v4l2_buffer(dst_buf),
+					VB2_BUF_STATE_ERROR);
+	}
+
+}
+
+static void m2mops_vdec_device_run(void *priv)
+{
+	struct mtk_vcodec_ctx *ctx = priv;
+	struct mtk_vcodec_dev *dev = ctx->dev;
+
+	queue_work(dev->decode_workqueue, &ctx->decode_work);
+}
+
+static int m2mops_vdec_job_ready(void *m2m_priv)
+{
+	struct mtk_vcodec_ctx *ctx = m2m_priv;
+
+	mtk_v4l2_debug(3, "[%d]", ctx->id);
+
+	if (ctx->state == MTK_STATE_ABORT)
+		return 0;
+
+	if ((ctx->last_decoded_picinfo.pic_w != ctx->picinfo.pic_w) ||
+	    (ctx->last_decoded_picinfo.pic_h != ctx->picinfo.pic_h))
+		return 0;
+
+	if (ctx->state != MTK_STATE_HEADER)
+		return 0;
+
+	return 1;
+}
+
+static void m2mops_vdec_job_abort(void *priv)
+{
+	struct mtk_vcodec_ctx *ctx = priv;
+
+	ctx->state = MTK_STATE_ABORT;
+}
+
+static int mtk_vdec_g_v_ctrl(struct v4l2_ctrl *ctrl)
+{
+	struct mtk_vcodec_ctx *ctx = ctrl_to_ctx(ctrl);
+	int ret = 0;
+
+	switch (ctrl->id) {
+	case V4L2_CID_MIN_BUFFERS_FOR_CAPTURE:
+		if (ctx->state >= MTK_STATE_HEADER) {
+			ctrl->val = ctx->dpb_size;
+		} else {
+			mtk_v4l2_debug(0, "Seqinfo not ready");
+			ctrl->val = 0;
+		}
+		break;
+	default:
+		ret = -EINVAL;
+	}
+	return ret;
+}
+
+static const struct v4l2_ctrl_ops mtk_vcodec_dec_ctrl_ops = {
+	.g_volatile_ctrl = mtk_vdec_g_v_ctrl,
+};
+
+int mtk_vcodec_dec_ctrls_setup(struct mtk_vcodec_ctx *ctx)
+{
+	struct v4l2_ctrl *ctrl;
+
+	v4l2_ctrl_handler_init(&ctx->ctrl_hdl, 1);
+
+	ctrl = v4l2_ctrl_new_std(&ctx->ctrl_hdl,
+				&mtk_vcodec_dec_ctrl_ops,
+				V4L2_CID_MIN_BUFFERS_FOR_CAPTURE,
+				0, 32, 1, 1);
+	ctrl->flags |= V4L2_CTRL_FLAG_VOLATILE;
+
+	if (ctx->ctrl_hdl.error) {
+		mtk_v4l2_err("Adding control failed %d",
+				ctx->ctrl_hdl.error);
+		return ctx->ctrl_hdl.error;
+	}
+
+	v4l2_ctrl_handler_setup(&ctx->ctrl_hdl);
+	return 0;
+}
+
+static void m2mops_vdec_lock(void *m2m_priv)
+{
+	struct mtk_vcodec_ctx *ctx = m2m_priv;
+
+	mtk_v4l2_debug(3, "[%d]", ctx->id);
+	mutex_lock(&ctx->dev->dev_mutex);
+}
+
+static void m2mops_vdec_unlock(void *m2m_priv)
+{
+	struct mtk_vcodec_ctx *ctx = m2m_priv;
+
+	mtk_v4l2_debug(3, "[%d]", ctx->id);
+	mutex_unlock(&ctx->dev->dev_mutex);
+}
+
+const struct v4l2_m2m_ops mtk_vdec_m2m_ops = {
+	.device_run	= m2mops_vdec_device_run,
+	.job_ready	= m2mops_vdec_job_ready,
+	.job_abort	= m2mops_vdec_job_abort,
+	.lock		= m2mops_vdec_lock,
+	.unlock		= m2mops_vdec_unlock,
+};
+
+static const struct vb2_ops mtk_vdec_vb2_ops = {
+	.queue_setup	= vb2ops_vdec_queue_setup,
+	.buf_prepare	= vb2ops_vdec_buf_prepare,
+	.buf_queue	= vb2ops_vdec_buf_queue,
+	.wait_prepare	= vb2_ops_wait_prepare,
+	.wait_finish	= vb2_ops_wait_finish,
+	.buf_init	= vb2ops_vdec_buf_init,
+	.buf_finish	= vb2ops_vdec_buf_finish,
+	.start_streaming	= vb2ops_vdec_start_streaming,
+	.stop_streaming	= vb2ops_vdec_stop_streaming,
+};
+
+const struct v4l2_ioctl_ops mtk_vdec_ioctl_ops = {
+	.vidioc_streamon	= v4l2_m2m_ioctl_streamon,
+	.vidioc_streamoff	= v4l2_m2m_ioctl_streamoff,
+	.vidioc_reqbufs		= v4l2_m2m_ioctl_reqbufs,
+	.vidioc_querybuf	= v4l2_m2m_ioctl_querybuf,
+	.vidioc_expbuf		= v4l2_m2m_ioctl_expbuf,
+
+	.vidioc_qbuf		= vidioc_vdec_qbuf,
+	.vidioc_dqbuf		= vidioc_vdec_dqbuf,
+
+	.vidioc_try_fmt_vid_cap_mplane	= vidioc_try_fmt_vid_cap_mplane,
+	.vidioc_try_fmt_vid_out_mplane	= vidioc_try_fmt_vid_out_mplane,
+
+	.vidioc_s_fmt_vid_cap_mplane	= vidioc_vdec_s_fmt,
+	.vidioc_s_fmt_vid_out_mplane	= vidioc_vdec_s_fmt,
+	.vidioc_g_fmt_vid_cap_mplane	= vidioc_vdec_g_fmt,
+	.vidioc_g_fmt_vid_out_mplane	= vidioc_vdec_g_fmt,
+
+	.vidioc_create_bufs		= v4l2_m2m_ioctl_create_bufs,
+
+	.vidioc_enum_fmt_vid_cap_mplane	= vidioc_vdec_enum_fmt_vid_cap_mplane,
+	.vidioc_enum_fmt_vid_out_mplane	= vidioc_vdec_enum_fmt_vid_out_mplane,
+	.vidioc_enum_framesizes	= vidioc_enum_framesizes,
+
+	.vidioc_querycap		= vidioc_vdec_querycap,
+	.vidioc_subscribe_event		= vidioc_vdec_subscribe_evt,
+	.vidioc_unsubscribe_event	= v4l2_event_unsubscribe,
+	.vidioc_g_selection             = vidioc_vdec_g_selection,
+	.vidioc_s_selection             = vidioc_vdec_s_selection,
+};
+
+int mtk_vcodec_dec_queue_init(void *priv, struct vb2_queue *src_vq,
+			   struct vb2_queue *dst_vq)
+{
+	struct mtk_vcodec_ctx *ctx = priv;
+	int ret = 0;
+
+	mtk_v4l2_debug(3, "[%d]", ctx->id);
+
+	src_vq->type		= V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
+	src_vq->io_modes	= VB2_DMABUF | VB2_MMAP;
+	src_vq->drv_priv	= ctx;
+	src_vq->buf_struct_size = sizeof(struct mtk_video_dec_buf);
+	src_vq->ops		= &mtk_vdec_vb2_ops;
+	src_vq->mem_ops		= &vb2_dma_contig_memops;
+	src_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
+	src_vq->lock		= &ctx->dev->dev_mutex;
+	src_vq->dev             = &ctx->dev->plat_dev->dev;
+
+	ret = vb2_queue_init(src_vq);
+	if (ret) {
+		mtk_v4l2_err("Failed to initialize videobuf2 queue(output)");
+		return ret;
+	}
+	dst_vq->type		= V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
+	dst_vq->io_modes	= VB2_DMABUF | VB2_MMAP;
+	dst_vq->drv_priv	= ctx;
+	dst_vq->buf_struct_size = sizeof(struct mtk_video_dec_buf);
+	dst_vq->ops		= &mtk_vdec_vb2_ops;
+	dst_vq->mem_ops		= &vb2_dma_contig_memops;
+	dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
+	dst_vq->lock		= &ctx->dev->dev_mutex;
+	dst_vq->dev             = &ctx->dev->plat_dev->dev;
+
+	ret = vb2_queue_init(dst_vq);
+	if (ret) {
+		vb2_queue_release(src_vq);
+		mtk_v4l2_err("Failed to initialize videobuf2 queue(capture)");
+	}
+
+	return ret;
+}
diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec.h b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec.h
new file mode 100644
index 000000000000..362f5a85762e
--- /dev/null
+++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec.h
@@ -0,0 +1,88 @@
+/*
+ * Copyright (c) 2016 MediaTek Inc.
+ * Author: PC Chen <pc.chen@mediatek.com>
+ *         Tiffany Lin <tiffany.lin@mediatek.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef _MTK_VCODEC_DEC_H_
+#define _MTK_VCODEC_DEC_H_
+
+#include <media/videobuf2-core.h>
+#include <media/videobuf2-v4l2.h>
+
+#define VCODEC_CAPABILITY_4K_DISABLED	0x10
+#define VCODEC_DEC_4K_CODED_WIDTH	4096U
+#define VCODEC_DEC_4K_CODED_HEIGHT	2304U
+#define MTK_VDEC_MAX_W	2048U
+#define MTK_VDEC_MAX_H	1088U
+
+#define MTK_VDEC_IRQ_STATUS_DEC_SUCCESS        0x10000
+
+/**
+ * struct vdec_fb  - decoder frame buffer
+ * @base_y	: Y plane memory info
+ * @base_c	: C plane memory info
+ * @status      : frame buffer status (vdec_fb_status)
+ */
+struct vdec_fb {
+	struct mtk_vcodec_mem	base_y;
+	struct mtk_vcodec_mem	base_c;
+	unsigned int	status;
+};
+
+/**
+ * struct mtk_video_dec_buf - Private data related to each VB2 buffer.
+ * @b:		VB2 buffer
+ * @list:	link list
+ * @used:	Capture buffer contain decoded frame data and keep in
+ *			codec data structure
+ * @ready_to_display:	Capture buffer not display yet
+ * @queued_in_vb2:	Capture buffer is queue in vb2
+ * @queued_in_v4l2:	Capture buffer is in v4l2 driver, but not in vb2
+ *			queue yet
+ * @lastframe:		Intput buffer is last buffer - EOS
+ * @frame_buffer:	Decode status, and buffer information of Capture buffer
+ *
+ * Note : These status information help us track and debug buffer state
+ */
+struct mtk_video_dec_buf {
+	struct vb2_v4l2_buffer	vb;
+	struct list_head	list;
+
+	bool	used;
+	bool	ready_to_display;
+	bool	queued_in_vb2;
+	bool	queued_in_v4l2;
+	bool	lastframe;
+	struct vdec_fb	frame_buffer;
+};
+
+extern const struct v4l2_ioctl_ops mtk_vdec_ioctl_ops;
+extern const struct v4l2_m2m_ops mtk_vdec_m2m_ops;
+
+
+/*
+ * mtk_vdec_lock/mtk_vdec_unlock are for ctx instance to
+ * get/release lock before/after access decoder hw.
+ * mtk_vdec_lock get decoder hw lock and set curr_ctx
+ * to ctx instance that get lock
+ */
+void mtk_vdec_unlock(struct mtk_vcodec_ctx *ctx);
+void mtk_vdec_lock(struct mtk_vcodec_ctx *ctx);
+int mtk_vcodec_dec_queue_init(void *priv, struct vb2_queue *src_vq,
+			   struct vb2_queue *dst_vq);
+void mtk_vcodec_dec_set_default_params(struct mtk_vcodec_ctx *ctx);
+void mtk_vcodec_dec_release(struct mtk_vcodec_ctx *ctx);
+int mtk_vcodec_dec_ctrls_setup(struct mtk_vcodec_ctx *ctx);
+
+
+#endif /* _MTK_VCODEC_DEC_H_ */
diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_drv.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_drv.c
new file mode 100644
index 000000000000..d48287c727f4
--- /dev/null
+++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_drv.c
@@ -0,0 +1,394 @@
+/*
+ * Copyright (c) 2016 MediaTek Inc.
+ * Author: PC Chen <pc.chen@mediatek.com>
+ *         Tiffany Lin <tiffany.lin@mediatek.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/slab.h>
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <linux/module.h>
+#include <linux/of_device.h>
+#include <linux/of.h>
+#include <media/v4l2-event.h>
+#include <media/v4l2-mem2mem.h>
+#include <media/videobuf2-dma-contig.h>
+
+#include "mtk_vcodec_drv.h"
+#include "mtk_vcodec_dec.h"
+#include "mtk_vcodec_dec_pm.h"
+#include "mtk_vcodec_intr.h"
+#include "mtk_vcodec_util.h"
+#include "mtk_vpu.h"
+
+#define VDEC_HW_ACTIVE	0x10
+#define VDEC_IRQ_CFG	0x11
+#define VDEC_IRQ_CLR	0x10
+#define VDEC_IRQ_CFG_REG	0xa4
+
+module_param(mtk_v4l2_dbg_level, int, 0644);
+module_param(mtk_vcodec_dbg, bool, 0644);
+
+/* Wake up context wait_queue */
+static void wake_up_ctx(struct mtk_vcodec_ctx *ctx)
+{
+	ctx->int_cond = 1;
+	wake_up_interruptible(&ctx->queue);
+}
+
+static irqreturn_t mtk_vcodec_dec_irq_handler(int irq, void *priv)
+{
+	struct mtk_vcodec_dev *dev = priv;
+	struct mtk_vcodec_ctx *ctx;
+	u32 cg_status = 0;
+	unsigned int dec_done_status = 0;
+	void __iomem *vdec_misc_addr = dev->reg_base[VDEC_MISC] +
+					VDEC_IRQ_CFG_REG;
+
+	ctx = mtk_vcodec_get_curr_ctx(dev);
+
+	/* check if HW active or not */
+	cg_status = readl(dev->reg_base[0]);
+	if ((cg_status & VDEC_HW_ACTIVE) != 0) {
+		mtk_v4l2_err("DEC ISR, VDEC active is not 0x0 (0x%08x)",
+			     cg_status);
+		return IRQ_HANDLED;
+	}
+
+	dec_done_status = readl(vdec_misc_addr);
+	ctx->irq_status = dec_done_status;
+	if ((dec_done_status & MTK_VDEC_IRQ_STATUS_DEC_SUCCESS) !=
+		MTK_VDEC_IRQ_STATUS_DEC_SUCCESS)
+		return IRQ_HANDLED;
+
+	/* clear interrupt */
+	writel((readl(vdec_misc_addr) | VDEC_IRQ_CFG),
+		dev->reg_base[VDEC_MISC] + VDEC_IRQ_CFG_REG);
+	writel((readl(vdec_misc_addr) & ~VDEC_IRQ_CLR),
+		dev->reg_base[VDEC_MISC] + VDEC_IRQ_CFG_REG);
+
+	wake_up_ctx(ctx);
+
+	mtk_v4l2_debug(3,
+			"mtk_vcodec_dec_irq_handler :wake up ctx %d, dec_done_status=%x",
+			ctx->id, dec_done_status);
+
+	return IRQ_HANDLED;
+}
+
+static void mtk_vcodec_dec_reset_handler(void *priv)
+{
+	struct mtk_vcodec_dev *dev = priv;
+	struct mtk_vcodec_ctx *ctx;
+
+	mtk_v4l2_err("Watchdog timeout!!");
+
+	mutex_lock(&dev->dev_mutex);
+	list_for_each_entry(ctx, &dev->ctx_list, list) {
+		ctx->state = MTK_STATE_ABORT;
+		mtk_v4l2_debug(0, "[%d] Change to state MTK_STATE_ERROR",
+				ctx->id);
+	}
+	mutex_unlock(&dev->dev_mutex);
+}
+
+static int fops_vcodec_open(struct file *file)
+{
+	struct mtk_vcodec_dev *dev = video_drvdata(file);
+	struct mtk_vcodec_ctx *ctx = NULL;
+	int ret = 0;
+
+	ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
+	if (!ctx)
+		return -ENOMEM;
+
+	mutex_lock(&dev->dev_mutex);
+	ctx->id = dev->id_counter++;
+	v4l2_fh_init(&ctx->fh, video_devdata(file));
+	file->private_data = &ctx->fh;
+	v4l2_fh_add(&ctx->fh);
+	INIT_LIST_HEAD(&ctx->list);
+	ctx->dev = dev;
+	init_waitqueue_head(&ctx->queue);
+	mutex_init(&ctx->lock);
+
+	ctx->type = MTK_INST_DECODER;
+	ret = mtk_vcodec_dec_ctrls_setup(ctx);
+	if (ret) {
+		mtk_v4l2_err("Failed to setup mt vcodec controls");
+		goto err_ctrls_setup;
+	}
+	ctx->m2m_ctx = v4l2_m2m_ctx_init(dev->m2m_dev_dec, ctx,
+		&mtk_vcodec_dec_queue_init);
+	if (IS_ERR((__force void *)ctx->m2m_ctx)) {
+		ret = PTR_ERR((__force void *)ctx->m2m_ctx);
+		mtk_v4l2_err("Failed to v4l2_m2m_ctx_init() (%d)",
+			ret);
+		goto err_m2m_ctx_init;
+	}
+	mtk_vcodec_dec_set_default_params(ctx);
+
+	if (v4l2_fh_is_singular(&ctx->fh)) {
+		mtk_vcodec_dec_pw_on(&dev->pm);
+		/*
+		 * vpu_load_firmware checks if it was loaded already and
+		 * does nothing in that case
+		 */
+		ret = vpu_load_firmware(dev->vpu_plat_dev);
+		if (ret < 0) {
+			/*
+			 * Return 0 if downloading firmware successfully,
+			 * otherwise it is failed
+			 */
+			mtk_v4l2_err("vpu_load_firmware failed!");
+			goto err_load_fw;
+		}
+
+		dev->dec_capability =
+			vpu_get_vdec_hw_capa(dev->vpu_plat_dev);
+		mtk_v4l2_debug(0, "decoder capability %x", dev->dec_capability);
+	}
+
+	list_add(&ctx->list, &dev->ctx_list);
+
+	mutex_unlock(&dev->dev_mutex);
+	mtk_v4l2_debug(0, "%s decoder [%d]", dev_name(&dev->plat_dev->dev),
+			ctx->id);
+	return ret;
+
+	/* Deinit when failure occurred */
+err_load_fw:
+	v4l2_m2m_ctx_release(ctx->m2m_ctx);
+err_m2m_ctx_init:
+	v4l2_ctrl_handler_free(&ctx->ctrl_hdl);
+err_ctrls_setup:
+	v4l2_fh_del(&ctx->fh);
+	v4l2_fh_exit(&ctx->fh);
+	kfree(ctx);
+	mutex_unlock(&dev->dev_mutex);
+
+	return ret;
+}
+
+static int fops_vcodec_release(struct file *file)
+{
+	struct mtk_vcodec_dev *dev = video_drvdata(file);
+	struct mtk_vcodec_ctx *ctx = fh_to_ctx(file->private_data);
+
+	mtk_v4l2_debug(0, "[%d] decoder", ctx->id);
+	mutex_lock(&dev->dev_mutex);
+
+	/*
+	 * Call v4l2_m2m_ctx_release before mtk_vcodec_dec_release. First, it
+	 * makes sure the worker thread is not running after vdec_if_deinit.
+	 * Second, the decoder will be flushed and all the buffers will be
+	 * returned in stop_streaming.
+	 */
+	v4l2_m2m_ctx_release(ctx->m2m_ctx);
+	mtk_vcodec_dec_release(ctx);
+
+	if (v4l2_fh_is_singular(&ctx->fh))
+		mtk_vcodec_dec_pw_off(&dev->pm);
+	v4l2_fh_del(&ctx->fh);
+	v4l2_fh_exit(&ctx->fh);
+	v4l2_ctrl_handler_free(&ctx->ctrl_hdl);
+
+	list_del_init(&ctx->list);
+	kfree(ctx);
+	mutex_unlock(&dev->dev_mutex);
+	return 0;
+}
+
+static const struct v4l2_file_operations mtk_vcodec_fops = {
+	.owner		= THIS_MODULE,
+	.open		= fops_vcodec_open,
+	.release	= fops_vcodec_release,
+	.poll		= v4l2_m2m_fop_poll,
+	.unlocked_ioctl	= video_ioctl2,
+	.mmap		= v4l2_m2m_fop_mmap,
+};
+
+static int mtk_vcodec_probe(struct platform_device *pdev)
+{
+	struct mtk_vcodec_dev *dev;
+	struct video_device *vfd_dec;
+	struct resource *res;
+	int i, ret;
+
+	dev = devm_kzalloc(&pdev->dev, sizeof(*dev), GFP_KERNEL);
+	if (!dev)
+		return -ENOMEM;
+
+	INIT_LIST_HEAD(&dev->ctx_list);
+	dev->plat_dev = pdev;
+
+	dev->vpu_plat_dev = vpu_get_plat_device(dev->plat_dev);
+	if (dev->vpu_plat_dev == NULL) {
+		mtk_v4l2_err("[VPU] vpu device in not ready");
+		return -EPROBE_DEFER;
+	}
+
+	vpu_wdt_reg_handler(dev->vpu_plat_dev, mtk_vcodec_dec_reset_handler,
+			dev, VPU_RST_DEC);
+
+	ret = mtk_vcodec_init_dec_pm(dev);
+	if (ret < 0) {
+		dev_err(&pdev->dev, "Failed to get mt vcodec clock source");
+		return ret;
+	}
+
+	for (i = 0; i < NUM_MAX_VDEC_REG_BASE; i++) {
+		res = platform_get_resource(pdev, IORESOURCE_MEM, i);
+		if (res == NULL) {
+			dev_err(&pdev->dev, "get memory resource failed.");
+			ret = -ENXIO;
+			goto err_res;
+		}
+		dev->reg_base[i] = devm_ioremap_resource(&pdev->dev, res);
+		if (IS_ERR((__force void *)dev->reg_base[i])) {
+			ret = PTR_ERR((__force void *)dev->reg_base[i]);
+			goto err_res;
+		}
+		mtk_v4l2_debug(2, "reg[%d] base=%p", i, dev->reg_base[i]);
+	}
+
+	res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
+	if (res == NULL) {
+		dev_err(&pdev->dev, "failed to get irq resource");
+		ret = -ENOENT;
+		goto err_res;
+	}
+
+	dev->dec_irq = platform_get_irq(pdev, 0);
+	ret = devm_request_irq(&pdev->dev, dev->dec_irq,
+			mtk_vcodec_dec_irq_handler, 0, pdev->name, dev);
+	if (ret) {
+		dev_err(&pdev->dev, "Failed to install dev->dec_irq %d (%d)",
+			dev->dec_irq,
+			ret);
+		goto err_res;
+	}
+
+	disable_irq(dev->dec_irq);
+	mutex_init(&dev->dec_mutex);
+	mutex_init(&dev->dev_mutex);
+	spin_lock_init(&dev->irqlock);
+
+	snprintf(dev->v4l2_dev.name, sizeof(dev->v4l2_dev.name), "%s",
+		"[/MTK_V4L2_VDEC]");
+
+	ret = v4l2_device_register(&pdev->dev, &dev->v4l2_dev);
+	if (ret) {
+		mtk_v4l2_err("v4l2_device_register err=%d", ret);
+		goto err_res;
+	}
+
+	init_waitqueue_head(&dev->queue);
+
+	vfd_dec = video_device_alloc();
+	if (!vfd_dec) {
+		mtk_v4l2_err("Failed to allocate video device");
+		ret = -ENOMEM;
+		goto err_dec_alloc;
+	}
+	vfd_dec->fops		= &mtk_vcodec_fops;
+	vfd_dec->ioctl_ops	= &mtk_vdec_ioctl_ops;
+	vfd_dec->release	= video_device_release;
+	vfd_dec->lock		= &dev->dev_mutex;
+	vfd_dec->v4l2_dev	= &dev->v4l2_dev;
+	vfd_dec->vfl_dir	= VFL_DIR_M2M;
+	vfd_dec->device_caps	= V4L2_CAP_VIDEO_M2M_MPLANE |
+			V4L2_CAP_STREAMING;
+
+	snprintf(vfd_dec->name, sizeof(vfd_dec->name), "%s",
+		MTK_VCODEC_DEC_NAME);
+	video_set_drvdata(vfd_dec, dev);
+	dev->vfd_dec = vfd_dec;
+	platform_set_drvdata(pdev, dev);
+
+	dev->m2m_dev_dec = v4l2_m2m_init(&mtk_vdec_m2m_ops);
+	if (IS_ERR((__force void *)dev->m2m_dev_dec)) {
+		mtk_v4l2_err("Failed to init mem2mem dec device");
+		ret = PTR_ERR((__force void *)dev->m2m_dev_dec);
+		goto err_dec_mem_init;
+	}
+
+	dev->decode_workqueue =
+		alloc_ordered_workqueue(MTK_VCODEC_DEC_NAME,
+			WQ_MEM_RECLAIM | WQ_FREEZABLE);
+	if (!dev->decode_workqueue) {
+		mtk_v4l2_err("Failed to create decode workqueue");
+		ret = -EINVAL;
+		goto err_event_workq;
+	}
+
+	ret = video_register_device(vfd_dec, VFL_TYPE_GRABBER, 0);
+	if (ret) {
+		mtk_v4l2_err("Failed to register video device");
+		goto err_dec_reg;
+	}
+
+	mtk_v4l2_debug(0, "decoder registered as /dev/video%d",
+		vfd_dec->num);
+
+	return 0;
+
+err_dec_reg:
+	destroy_workqueue(dev->decode_workqueue);
+err_event_workq:
+	v4l2_m2m_release(dev->m2m_dev_dec);
+err_dec_mem_init:
+	video_unregister_device(vfd_dec);
+err_dec_alloc:
+	v4l2_device_unregister(&dev->v4l2_dev);
+err_res:
+	mtk_vcodec_release_dec_pm(dev);
+	return ret;
+}
+
+static const struct of_device_id mtk_vcodec_match[] = {
+	{.compatible = "mediatek,mt8173-vcodec-dec",},
+	{},
+};
+
+MODULE_DEVICE_TABLE(of, mtk_vcodec_match);
+
+static int mtk_vcodec_dec_remove(struct platform_device *pdev)
+{
+	struct mtk_vcodec_dev *dev = platform_get_drvdata(pdev);
+
+	flush_workqueue(dev->decode_workqueue);
+	destroy_workqueue(dev->decode_workqueue);
+	if (dev->m2m_dev_dec)
+		v4l2_m2m_release(dev->m2m_dev_dec);
+
+	if (dev->vfd_dec)
+		video_unregister_device(dev->vfd_dec);
+
+	v4l2_device_unregister(&dev->v4l2_dev);
+	mtk_vcodec_release_dec_pm(dev);
+	return 0;
+}
+
+static struct platform_driver mtk_vcodec_dec_driver = {
+	.probe	= mtk_vcodec_probe,
+	.remove	= mtk_vcodec_dec_remove,
+	.driver	= {
+		.name	= MTK_VCODEC_DEC_NAME,
+		.of_match_table = mtk_vcodec_match,
+	},
+};
+
+module_platform_driver(mtk_vcodec_dec_driver);
+
+MODULE_LICENSE("GPL v2");
+MODULE_DESCRIPTION("Mediatek video codec V4L2 decoder driver");
diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_pm.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_pm.c
new file mode 100644
index 000000000000..79ca03ac449c
--- /dev/null
+++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_pm.c
@@ -0,0 +1,202 @@
+/*
+ * Copyright (c) 2016 MediaTek Inc.
+ * Author: Tiffany Lin <tiffany.lin@mediatek.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/clk.h>
+#include <linux/of_address.h>
+#include <linux/of_platform.h>
+#include <linux/pm_runtime.h>
+#include <soc/mediatek/smi.h>
+
+#include "mtk_vcodec_dec_pm.h"
+#include "mtk_vcodec_util.h"
+#include "mtk_vpu.h"
+
+int mtk_vcodec_init_dec_pm(struct mtk_vcodec_dev *mtkdev)
+{
+	struct device_node *node;
+	struct platform_device *pdev;
+	struct mtk_vcodec_pm *pm;
+	int ret = 0;
+
+	pdev = mtkdev->plat_dev;
+	pm = &mtkdev->pm;
+	pm->mtkdev = mtkdev;
+	node = of_parse_phandle(pdev->dev.of_node, "mediatek,larb", 0);
+	if (!node) {
+		mtk_v4l2_err("of_parse_phandle mediatek,larb fail!");
+		return -1;
+	}
+
+	pdev = of_find_device_by_node(node);
+	if (WARN_ON(!pdev)) {
+		of_node_put(node);
+		return -1;
+	}
+	pm->larbvdec = &pdev->dev;
+	pdev = mtkdev->plat_dev;
+	pm->dev = &pdev->dev;
+
+	pm->vcodecpll = devm_clk_get(&pdev->dev, "vcodecpll");
+	if (IS_ERR(pm->vcodecpll)) {
+		mtk_v4l2_err("devm_clk_get vcodecpll fail");
+		ret = PTR_ERR(pm->vcodecpll);
+	}
+
+	pm->univpll_d2 = devm_clk_get(&pdev->dev, "univpll_d2");
+	if (IS_ERR(pm->univpll_d2)) {
+		mtk_v4l2_err("devm_clk_get univpll_d2 fail");
+		ret = PTR_ERR(pm->univpll_d2);
+	}
+
+	pm->clk_cci400_sel = devm_clk_get(&pdev->dev, "clk_cci400_sel");
+	if (IS_ERR(pm->clk_cci400_sel)) {
+		mtk_v4l2_err("devm_clk_get clk_cci400_sel fail");
+		ret = PTR_ERR(pm->clk_cci400_sel);
+	}
+
+	pm->vdec_sel = devm_clk_get(&pdev->dev, "vdec_sel");
+	if (IS_ERR(pm->vdec_sel)) {
+		mtk_v4l2_err("devm_clk_get vdec_sel fail");
+		ret = PTR_ERR(pm->vdec_sel);
+	}
+
+	pm->vdecpll = devm_clk_get(&pdev->dev, "vdecpll");
+	if (IS_ERR(pm->vdecpll)) {
+		mtk_v4l2_err("devm_clk_get vdecpll fail");
+		ret = PTR_ERR(pm->vdecpll);
+	}
+
+	pm->vencpll = devm_clk_get(&pdev->dev, "vencpll");
+	if (IS_ERR(pm->vencpll)) {
+		mtk_v4l2_err("devm_clk_get vencpll fail");
+		ret = PTR_ERR(pm->vencpll);
+	}
+
+	pm->venc_lt_sel = devm_clk_get(&pdev->dev, "venc_lt_sel");
+	if (IS_ERR(pm->venc_lt_sel)) {
+		mtk_v4l2_err("devm_clk_get venc_lt_sel fail");
+		ret = PTR_ERR(pm->venc_lt_sel);
+	}
+
+	pm->vdec_bus_clk_src = devm_clk_get(&pdev->dev, "vdec_bus_clk_src");
+	if (IS_ERR(pm->vdec_bus_clk_src)) {
+		mtk_v4l2_err("devm_clk_get vdec_bus_clk_src");
+		ret = PTR_ERR(pm->vdec_bus_clk_src);
+	}
+
+	pm_runtime_enable(&pdev->dev);
+
+	return ret;
+}
+
+void mtk_vcodec_release_dec_pm(struct mtk_vcodec_dev *dev)
+{
+	pm_runtime_disable(dev->pm.dev);
+}
+
+void mtk_vcodec_dec_pw_on(struct mtk_vcodec_pm *pm)
+{
+	int ret;
+
+	ret = pm_runtime_get_sync(pm->dev);
+	if (ret)
+		mtk_v4l2_err("pm_runtime_get_sync fail %d", ret);
+}
+
+void mtk_vcodec_dec_pw_off(struct mtk_vcodec_pm *pm)
+{
+	int ret;
+
+	ret = pm_runtime_put_sync(pm->dev);
+	if (ret)
+		mtk_v4l2_err("pm_runtime_put_sync fail %d", ret);
+}
+
+void mtk_vcodec_dec_clock_on(struct mtk_vcodec_pm *pm)
+{
+	int ret;
+
+	ret = clk_set_rate(pm->vcodecpll, 1482 * 1000000);
+	if (ret)
+		mtk_v4l2_err("clk_set_rate vcodecpll fail %d", ret);
+
+	ret = clk_set_rate(pm->vencpll, 800 * 1000000);
+	if (ret)
+		mtk_v4l2_err("clk_set_rate vencpll fail %d", ret);
+
+	ret = clk_prepare_enable(pm->vcodecpll);
+	if (ret)
+		mtk_v4l2_err("clk_prepare_enable vcodecpll fail %d", ret);
+
+	ret = clk_prepare_enable(pm->vencpll);
+	if (ret)
+		mtk_v4l2_err("clk_prepare_enable vencpll fail %d", ret);
+
+	ret = clk_prepare_enable(pm->vdec_bus_clk_src);
+	if (ret)
+		mtk_v4l2_err("clk_prepare_enable vdec_bus_clk_src fail %d",
+				ret);
+
+	ret = clk_prepare_enable(pm->venc_lt_sel);
+	if (ret)
+		mtk_v4l2_err("clk_prepare_enable venc_lt_sel fail %d", ret);
+
+	ret = clk_set_parent(pm->venc_lt_sel, pm->vdec_bus_clk_src);
+	if (ret)
+		mtk_v4l2_err("clk_set_parent venc_lt_sel vdec_bus_clk_src fail %d",
+				ret);
+
+	ret = clk_prepare_enable(pm->univpll_d2);
+	if (ret)
+		mtk_v4l2_err("clk_prepare_enable univpll_d2 fail %d", ret);
+
+	ret = clk_prepare_enable(pm->clk_cci400_sel);
+	if (ret)
+		mtk_v4l2_err("clk_prepare_enable clk_cci400_sel fail %d", ret);
+
+	ret = clk_set_parent(pm->clk_cci400_sel, pm->univpll_d2);
+	if (ret)
+		mtk_v4l2_err("clk_set_parent clk_cci400_sel univpll_d2 fail %d",
+				ret);
+
+	ret = clk_prepare_enable(pm->vdecpll);
+	if (ret)
+		mtk_v4l2_err("clk_prepare_enable vdecpll fail %d", ret);
+
+	ret = clk_prepare_enable(pm->vdec_sel);
+	if (ret)
+		mtk_v4l2_err("clk_prepare_enable vdec_sel fail %d", ret);
+
+	ret = clk_set_parent(pm->vdec_sel, pm->vdecpll);
+	if (ret)
+		mtk_v4l2_err("clk_set_parent vdec_sel vdecpll fail %d", ret);
+
+	ret = mtk_smi_larb_get(pm->larbvdec);
+	if (ret)
+		mtk_v4l2_err("mtk_smi_larb_get larbvdec fail %d", ret);
+
+}
+
+void mtk_vcodec_dec_clock_off(struct mtk_vcodec_pm *pm)
+{
+	mtk_smi_larb_put(pm->larbvdec);
+	clk_disable_unprepare(pm->vdec_sel);
+	clk_disable_unprepare(pm->vdecpll);
+	clk_disable_unprepare(pm->univpll_d2);
+	clk_disable_unprepare(pm->clk_cci400_sel);
+	clk_disable_unprepare(pm->venc_lt_sel);
+	clk_disable_unprepare(pm->vdec_bus_clk_src);
+	clk_disable_unprepare(pm->vencpll);
+	clk_disable_unprepare(pm->vcodecpll);
+}
diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_pm.h b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_pm.h
new file mode 100644
index 000000000000..86a7825353e3
--- /dev/null
+++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_pm.h
@@ -0,0 +1,28 @@
+/*
+ * Copyright (c) 2016 MediaTek Inc.
+ * Author: Tiffany Lin <tiffany.lin@mediatek.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef _MTK_VCODEC_DEC_PM_H_
+#define _MTK_VCODEC_DEC_PM_H_
+
+#include "mtk_vcodec_drv.h"
+
+int mtk_vcodec_init_dec_pm(struct mtk_vcodec_dev *dev);
+void mtk_vcodec_release_dec_pm(struct mtk_vcodec_dev *dev);
+
+void mtk_vcodec_dec_pw_on(struct mtk_vcodec_pm *pm);
+void mtk_vcodec_dec_pw_off(struct mtk_vcodec_pm *pm);
+void mtk_vcodec_dec_clock_on(struct mtk_vcodec_pm *pm);
+void mtk_vcodec_dec_clock_off(struct mtk_vcodec_pm *pm);
+
+#endif /* _MTK_VCODEC_DEC_PM_H_ */
diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h b/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h
index c8eaa41c00e6..d7eb8ef855d2 100644
--- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h
+++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h
@@ -22,13 +22,13 @@
 #include <media/v4l2-device.h>
 #include <media/v4l2-ioctl.h>
 #include <media/videobuf2-core.h>
-
+#include "mtk_vcodec_util.h"
 
 #define MTK_VCODEC_DRV_NAME	"mtk_vcodec_drv"
+#define MTK_VCODEC_DEC_NAME	"mtk-vcodec-dec"
 #define MTK_VCODEC_ENC_NAME	"mtk-vcodec-enc"
 #define MTK_PLATFORM_STR	"platform:mt8173"
 
-
 #define MTK_VCODEC_MAX_PLANES	3
 #define MTK_V4L2_BENCHMARK	0
 #define WAIT_INTR_TIMEOUT_MS	1000
@@ -179,6 +179,9 @@ struct mtk_enc_params {
  * struct mtk_vcodec_pm - Power management data structure
  */
 struct mtk_vcodec_pm {
+	struct clk	*vdec_bus_clk_src;
+	struct clk	*vencpll;
+
 	struct clk	*vcodecpll;
 	struct clk	*univpll_d2;
 	struct clk	*clk_cci400_sel;
@@ -196,6 +199,32 @@ struct mtk_vcodec_pm {
 };
 
 /**
+ * struct vdec_pic_info  - picture size information
+ * @pic_w: picture width
+ * @pic_h: picture height
+ * @buf_w: picture buffer width (64 aligned up from pic_w)
+ * @buf_h: picture buffer heiht (64 aligned up from pic_h)
+ * @y_bs_sz: Y bitstream size
+ * @c_bs_sz: CbCr bitstream size
+ * @y_len_sz: additional size required to store decompress information for y
+ *		plane
+ * @c_len_sz: additional size required to store decompress information for cbcr
+ *		plane
+ * E.g. suppose picture size is 176x144,
+ *      buffer size will be aligned to 176x160.
+ */
+struct vdec_pic_info {
+	unsigned int pic_w;
+	unsigned int pic_h;
+	unsigned int buf_w;
+	unsigned int buf_h;
+	unsigned int y_bs_sz;
+	unsigned int c_bs_sz;
+	unsigned int y_len_sz;
+	unsigned int c_len_sz;
+};
+
+/**
  * struct mtk_vcodec_ctx - Context (instance) private data.
  *
  * @type: type of the instance - decoder or encoder
@@ -209,9 +238,12 @@ struct mtk_vcodec_pm {
  * @state: state of the context
  * @param_change: indicate encode parameter type
  * @enc_params: encoding parameters
+ * @dec_if: hooked decoder driver interface
  * @enc_if: hoooked encoder driver interface
  * @drv_handle: driver handle for specific decode/encode instance
  *
+ * @picinfo: store picture info after header parsing
+ * @dpb_size: store dpb count after header parsing
  * @int_cond: variable used by the waitqueue
  * @int_type: type of the last interrupt
  * @queue: waitqueue that can be used to wait for this context to
@@ -219,12 +251,16 @@ struct mtk_vcodec_pm {
  * @irq_status: irq status
  *
  * @ctrl_hdl: handler for v4l2 framework
+ * @decode_work: worker for the decoding
  * @encode_work: worker for the encoding
+ * @last_decoded_picinfo: pic information get from latest decode
  *
  * @colorspace: enum v4l2_colorspace; supplemental to pixelformat
  * @ycbcr_enc: enum v4l2_ycbcr_encoding, Y'CbCr encoding
  * @quantization: enum v4l2_quantization, colorspace quantization
  * @xfer_func: enum v4l2_xfer_func, colorspace transfer function
+ * @lock: protect variables accessed by V4L2 threads and worker thread such as
+ *	  mtk_video_dec_buf.
  */
 struct mtk_vcodec_ctx {
 	enum mtk_instance_type type;
@@ -239,28 +275,40 @@ struct mtk_vcodec_ctx {
 	enum mtk_encode_param param_change;
 	struct mtk_enc_params enc_params;
 
+	const struct vdec_common_if *dec_if;
 	const struct venc_common_if *enc_if;
 	unsigned long drv_handle;
 
+	struct vdec_pic_info picinfo;
+	int dpb_size;
+
 	int int_cond;
 	int int_type;
 	wait_queue_head_t queue;
 	unsigned int irq_status;
 
 	struct v4l2_ctrl_handler ctrl_hdl;
+	struct work_struct decode_work;
 	struct work_struct encode_work;
+	struct vdec_pic_info last_decoded_picinfo;
 
 	enum v4l2_colorspace colorspace;
 	enum v4l2_ycbcr_encoding ycbcr_enc;
 	enum v4l2_quantization quantization;
 	enum v4l2_xfer_func xfer_func;
+
+	int decoded_frame_cnt;
+	struct mutex lock;
+
 };
 
 /**
  * struct mtk_vcodec_dev - driver data
  * @v4l2_dev: V4L2 device to register video devices for.
+ * @vfd_dec: Video device for decoder
  * @vfd_enc: Video device for encoder.
  *
+ * @m2m_dev_dec: m2m device for decoder
  * @m2m_dev_enc: m2m device for encoder.
  * @plat_dev: platform device
  * @vpu_plat_dev: mtk vpu platform device
@@ -271,7 +319,6 @@ struct mtk_vcodec_ctx {
  * @reg_base: Mapped address of MTK Vcodec registers.
  *
  * @id_counter: used to identify current opened instance
- * @num_instances: counter of active MTK Vcodec instances
  *
  * @encode_workqueue: encode work queue
  *
@@ -280,9 +327,11 @@ struct mtk_vcodec_ctx {
  * @dev_mutex: video_device lock
  * @queue: waitqueue for waiting for completion of device commands
  *
+ * @dec_irq: decoder irq resource
  * @enc_irq: h264 encoder irq resource
  * @enc_lt_irq: vp8 encoder irq resource
  *
+ * @dec_mutex: decoder hardware lock
  * @enc_mutex: encoder hardware lock.
  *
  * @pm: power management control
@@ -291,8 +340,10 @@ struct mtk_vcodec_ctx {
  */
 struct mtk_vcodec_dev {
 	struct v4l2_device v4l2_dev;
+	struct video_device *vfd_dec;
 	struct video_device *vfd_enc;
 
+	struct v4l2_m2m_dev *m2m_dev_dec;
 	struct v4l2_m2m_dev *m2m_dev_enc;
 	struct platform_device *plat_dev;
 	struct platform_device *vpu_plat_dev;
@@ -302,18 +353,19 @@ struct mtk_vcodec_dev {
 	void __iomem *reg_base[NUM_MAX_VCODEC_REG_BASE];
 
 	unsigned long id_counter;
-	int num_instances;
 
+	struct workqueue_struct *decode_workqueue;
 	struct workqueue_struct *encode_workqueue;
-
 	int int_cond;
 	int int_type;
 	struct mutex dev_mutex;
 	wait_queue_head_t queue;
 
+	int dec_irq;
 	int enc_irq;
 	int enc_lt_irq;
 
+	struct mutex dec_mutex;
 	struct mutex enc_mutex;
 
 	struct mtk_vcodec_pm pm;
diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_drv.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_drv.c
index 5cd2151431bf..aa81f3ce9463 100644
--- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_drv.c
+++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_drv.c
@@ -188,7 +188,6 @@ static int fops_vcodec_open(struct file *file)
 	mtk_v4l2_debug(2, "Create instance [%d]@%p m2m_ctx=%p ",
 			ctx->id, ctx, ctx->m2m_ctx);
 
-	dev->num_instances++;
 	list_add(&ctx->list, &dev->ctx_list);
 
 	mutex_unlock(&dev->dev_mutex);
@@ -218,18 +217,13 @@ static int fops_vcodec_release(struct file *file)
 	mtk_v4l2_debug(1, "[%d] encoder", ctx->id);
 	mutex_lock(&dev->dev_mutex);
 
-	/*
-	 * Call v4l2_m2m_ctx_release to make sure the worker thread is not
-	 * running after venc_if_deinit.
-	 */
-	v4l2_m2m_ctx_release(ctx->m2m_ctx);
 	mtk_vcodec_enc_release(ctx);
 	v4l2_fh_del(&ctx->fh);
 	v4l2_fh_exit(&ctx->fh);
 	v4l2_ctrl_handler_free(&ctx->ctrl_hdl);
+	v4l2_m2m_ctx_release(ctx->m2m_ctx);
 
 	list_del_init(&ctx->list);
-	dev->num_instances--;
 	kfree(ctx);
 	mutex_unlock(&dev->dev_mutex);
 	return 0;
diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_intr.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_intr.c
index 52e7e5c9afa0..113b2097f061 100644
--- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_intr.c
+++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_intr.c
@@ -30,8 +30,7 @@ int mtk_vcodec_wait_for_done_ctx(struct mtk_vcodec_ctx  *ctx, int command,
 	timeout_jiff = msecs_to_jiffies(timeout_ms);
 
 	ret = wait_event_interruptible_timeout(*waitqueue,
-				(ctx->int_cond &&
-				(ctx->int_type == command)),
+				ctx->int_cond,
 				timeout_jiff);
 
 	if (!ret) {
diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_util.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_util.c
index 5e3651372a3c..46768c056193 100644
--- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_util.c
+++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_util.c
@@ -81,14 +81,37 @@ void mtk_vcodec_mem_free(struct mtk_vcodec_ctx *data,
 		return;
 	}
 
-	dma_free_coherent(dev, size, mem->va, mem->dma_addr);
-	mem->va = NULL;
-	mem->dma_addr = 0;
-	mem->size = 0;
-
 	mtk_v4l2_debug(3, "[%d]  - va      = %p", ctx->id, mem->va);
 	mtk_v4l2_debug(3, "[%d]  - dma     = 0x%lx", ctx->id,
 		       (unsigned long)mem->dma_addr);
 	mtk_v4l2_debug(3, "[%d]    size = 0x%lx", ctx->id, size);
+
+	dma_free_coherent(dev, size, mem->va, mem->dma_addr);
+	mem->va = NULL;
+	mem->dma_addr = 0;
+	mem->size = 0;
 }
 EXPORT_SYMBOL(mtk_vcodec_mem_free);
+
+void mtk_vcodec_set_curr_ctx(struct mtk_vcodec_dev *dev,
+	struct mtk_vcodec_ctx *ctx)
+{
+	unsigned long flags;
+
+	spin_lock_irqsave(&dev->irqlock, flags);
+	dev->curr_ctx = ctx;
+	spin_unlock_irqrestore(&dev->irqlock, flags);
+}
+EXPORT_SYMBOL(mtk_vcodec_set_curr_ctx);
+
+struct mtk_vcodec_ctx *mtk_vcodec_get_curr_ctx(struct mtk_vcodec_dev *dev)
+{
+	unsigned long flags;
+	struct mtk_vcodec_ctx *ctx;
+
+	spin_lock_irqsave(&dev->irqlock, flags);
+	ctx = dev->curr_ctx;
+	spin_unlock_irqrestore(&dev->irqlock, flags);
+	return ctx;
+}
+EXPORT_SYMBOL(mtk_vcodec_get_curr_ctx);
diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_util.h b/drivers/media/platform/mtk-vcodec/mtk_vcodec_util.h
index d6345fc04840..7d55975d3185 100644
--- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_util.h
+++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_util.h
@@ -26,6 +26,7 @@ struct mtk_vcodec_mem {
 };
 
 struct mtk_vcodec_ctx;
+struct mtk_vcodec_dev;
 
 extern int mtk_v4l2_dbg_level;
 extern bool mtk_vcodec_dbg;
@@ -84,4 +85,8 @@ int mtk_vcodec_mem_alloc(struct mtk_vcodec_ctx *data,
 				struct mtk_vcodec_mem *mem);
 void mtk_vcodec_mem_free(struct mtk_vcodec_ctx *data,
 				struct mtk_vcodec_mem *mem);
+void mtk_vcodec_set_curr_ctx(struct mtk_vcodec_dev *dev,
+	struct mtk_vcodec_ctx *ctx);
+struct mtk_vcodec_ctx *mtk_vcodec_get_curr_ctx(struct mtk_vcodec_dev *dev);
+
 #endif /* _MTK_VCODEC_UTIL_H_ */
diff --git a/drivers/media/platform/mtk-vcodec/vdec/vdec_h264_if.c b/drivers/media/platform/mtk-vcodec/vdec/vdec_h264_if.c
new file mode 100644
index 000000000000..57a842ff3097
--- /dev/null
+++ b/drivers/media/platform/mtk-vcodec/vdec/vdec_h264_if.c
@@ -0,0 +1,507 @@
+/*
+ * Copyright (c) 2016 MediaTek Inc.
+ * Author: PC Chen <pc.chen@mediatek.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/module.h>
+#include <linux/slab.h>
+
+#include "../vdec_drv_if.h"
+#include "../mtk_vcodec_util.h"
+#include "../mtk_vcodec_dec.h"
+#include "../mtk_vcodec_intr.h"
+#include "../vdec_vpu_if.h"
+#include "../vdec_drv_base.h"
+
+#define NAL_NON_IDR_SLICE			0x01
+#define NAL_IDR_SLICE				0x05
+#define NAL_H264_PPS				0x08
+#define NAL_TYPE(value)				((value) & 0x1F)
+
+#define BUF_PREDICTION_SZ			(32 * 1024)
+
+#define MB_UNIT_LEN				16
+
+/* motion vector size (bytes) for every macro block */
+#define HW_MB_STORE_SZ				64
+
+#define H264_MAX_FB_NUM				17
+#define HDR_PARSING_BUF_SZ			1024
+
+/**
+ * struct h264_fb - h264 decode frame buffer information
+ * @vdec_fb_va  : virtual address of struct vdec_fb
+ * @y_fb_dma    : dma address of Y frame buffer (luma)
+ * @c_fb_dma    : dma address of C frame buffer (chroma)
+ * @poc         : picture order count of frame buffer
+ * @reserved    : for 8 bytes alignment
+ */
+struct h264_fb {
+	uint64_t vdec_fb_va;
+	uint64_t y_fb_dma;
+	uint64_t c_fb_dma;
+	int32_t poc;
+	uint32_t reserved;
+};
+
+/**
+ * struct h264_ring_fb_list - ring frame buffer list
+ * @fb_list   : frame buffer arrary
+ * @read_idx  : read index
+ * @write_idx : write index
+ * @count     : buffer count in list
+ */
+struct h264_ring_fb_list {
+	struct h264_fb fb_list[H264_MAX_FB_NUM];
+	unsigned int read_idx;
+	unsigned int write_idx;
+	unsigned int count;
+	unsigned int reserved;
+};
+
+/**
+ * struct vdec_h264_dec_info - decode information
+ * @dpb_sz		: decoding picture buffer size
+ * @resolution_changed  : resoltion change happen
+ * @realloc_mv_buf	: flag to notify driver to re-allocate mv buffer
+ * @reserved		: for 8 bytes alignment
+ * @bs_dma		: Input bit-stream buffer dma address
+ * @y_fb_dma		: Y frame buffer dma address
+ * @c_fb_dma		: C frame buffer dma address
+ * @vdec_fb_va		: VDEC frame buffer struct virtual address
+ */
+struct vdec_h264_dec_info {
+	uint32_t dpb_sz;
+	uint32_t resolution_changed;
+	uint32_t realloc_mv_buf;
+	uint32_t reserved;
+	uint64_t bs_dma;
+	uint64_t y_fb_dma;
+	uint64_t c_fb_dma;
+	uint64_t vdec_fb_va;
+};
+
+/**
+ * struct vdec_h264_vsi - shared memory for decode information exchange
+ *                        between VPU and Host.
+ *                        The memory is allocated by VPU then mapping to Host
+ *                        in vpu_dec_init() and freed in vpu_dec_deinit()
+ *                        by VPU.
+ *                        AP-W/R : AP is writer/reader on this item
+ *                        VPU-W/R: VPU is write/reader on this item
+ * @hdr_buf      : Header parsing buffer (AP-W, VPU-R)
+ * @pred_buf_dma : HW working predication buffer dma address (AP-W, VPU-R)
+ * @mv_buf_dma   : HW working motion vector buffer dma address (AP-W, VPU-R)
+ * @list_free    : free frame buffer ring list (AP-W/R, VPU-W)
+ * @list_disp    : display frame buffer ring list (AP-R, VPU-W)
+ * @dec          : decode information (AP-R, VPU-W)
+ * @pic          : picture information (AP-R, VPU-W)
+ * @crop         : crop information (AP-R, VPU-W)
+ */
+struct vdec_h264_vsi {
+	unsigned char hdr_buf[HDR_PARSING_BUF_SZ];
+	uint64_t pred_buf_dma;
+	uint64_t mv_buf_dma[H264_MAX_FB_NUM];
+	struct h264_ring_fb_list list_free;
+	struct h264_ring_fb_list list_disp;
+	struct vdec_h264_dec_info dec;
+	struct vdec_pic_info pic;
+	struct v4l2_rect crop;
+};
+
+/**
+ * struct vdec_h264_inst - h264 decoder instance
+ * @num_nalu : how many nalus be decoded
+ * @ctx      : point to mtk_vcodec_ctx
+ * @pred_buf : HW working predication buffer
+ * @mv_buf   : HW working motion vector buffer
+ * @vpu      : VPU instance
+ * @vsi      : VPU shared information
+ */
+struct vdec_h264_inst {
+	unsigned int num_nalu;
+	struct mtk_vcodec_ctx *ctx;
+	struct mtk_vcodec_mem pred_buf;
+	struct mtk_vcodec_mem mv_buf[H264_MAX_FB_NUM];
+	struct vdec_vpu_inst vpu;
+	struct vdec_h264_vsi *vsi;
+};
+
+static unsigned int get_mv_buf_size(unsigned int width, unsigned int height)
+{
+	return HW_MB_STORE_SZ * (width/MB_UNIT_LEN) * (height/MB_UNIT_LEN);
+}
+
+static int allocate_predication_buf(struct vdec_h264_inst *inst)
+{
+	int err = 0;
+
+	inst->pred_buf.size = BUF_PREDICTION_SZ;
+	err = mtk_vcodec_mem_alloc(inst->ctx, &inst->pred_buf);
+	if (err) {
+		mtk_vcodec_err(inst, "failed to allocate ppl buf");
+		return err;
+	}
+
+	inst->vsi->pred_buf_dma = inst->pred_buf.dma_addr;
+	return 0;
+}
+
+static void free_predication_buf(struct vdec_h264_inst *inst)
+{
+	struct mtk_vcodec_mem *mem = NULL;
+
+	mtk_vcodec_debug_enter(inst);
+
+	inst->vsi->pred_buf_dma = 0;
+	mem = &inst->pred_buf;
+	if (mem->va)
+		mtk_vcodec_mem_free(inst->ctx, mem);
+}
+
+static int alloc_mv_buf(struct vdec_h264_inst *inst, struct vdec_pic_info *pic)
+{
+	int i;
+	int err;
+	struct mtk_vcodec_mem *mem = NULL;
+	unsigned int buf_sz = get_mv_buf_size(pic->buf_w, pic->buf_h);
+
+	for (i = 0; i < H264_MAX_FB_NUM; i++) {
+		mem = &inst->mv_buf[i];
+		if (mem->va)
+			mtk_vcodec_mem_free(inst->ctx, mem);
+		mem->size = buf_sz;
+		err = mtk_vcodec_mem_alloc(inst->ctx, mem);
+		if (err) {
+			mtk_vcodec_err(inst, "failed to allocate mv buf");
+			return err;
+		}
+		inst->vsi->mv_buf_dma[i] = mem->dma_addr;
+	}
+
+	return 0;
+}
+
+static void free_mv_buf(struct vdec_h264_inst *inst)
+{
+	int i;
+	struct mtk_vcodec_mem *mem = NULL;
+
+	for (i = 0; i < H264_MAX_FB_NUM; i++) {
+		inst->vsi->mv_buf_dma[i] = 0;
+		mem = &inst->mv_buf[i];
+		if (mem->va)
+			mtk_vcodec_mem_free(inst->ctx, mem);
+	}
+}
+
+static int check_list_validity(struct vdec_h264_inst *inst, bool disp_list)
+{
+	struct h264_ring_fb_list *list;
+
+	list = disp_list ? &inst->vsi->list_disp : &inst->vsi->list_free;
+
+	if (list->count > H264_MAX_FB_NUM ||
+	    list->read_idx >= H264_MAX_FB_NUM ||
+	    list->write_idx >= H264_MAX_FB_NUM) {
+		mtk_vcodec_err(inst, "%s list err: cnt=%d r_idx=%d w_idx=%d",
+			       disp_list ? "disp" : "free", list->count,
+			       list->read_idx, list->write_idx);
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static void put_fb_to_free(struct vdec_h264_inst *inst, struct vdec_fb *fb)
+{
+	struct h264_ring_fb_list *list;
+
+	if (fb) {
+		if (check_list_validity(inst, false))
+			return;
+
+		list = &inst->vsi->list_free;
+		if (list->count == H264_MAX_FB_NUM) {
+			mtk_vcodec_err(inst, "[FB] put fb free_list full");
+			return;
+		}
+
+		mtk_vcodec_debug(inst, "[FB] put fb into free_list @(%p, %llx)",
+				 fb->base_y.va, (u64)fb->base_y.dma_addr);
+
+		list->fb_list[list->write_idx].vdec_fb_va = (u64)(uintptr_t)fb;
+		list->write_idx = (list->write_idx == H264_MAX_FB_NUM - 1) ?
+				  0 : list->write_idx + 1;
+		list->count++;
+	}
+}
+
+static void get_pic_info(struct vdec_h264_inst *inst,
+			 struct vdec_pic_info *pic)
+{
+	*pic = inst->vsi->pic;
+	mtk_vcodec_debug(inst, "pic(%d, %d), buf(%d, %d)",
+			 pic->pic_w, pic->pic_h, pic->buf_w, pic->buf_h);
+	mtk_vcodec_debug(inst, "Y(%d, %d), C(%d, %d)", pic->y_bs_sz,
+			 pic->y_len_sz, pic->c_bs_sz, pic->c_len_sz);
+}
+
+static void get_crop_info(struct vdec_h264_inst *inst, struct v4l2_rect *cr)
+{
+	cr->left = inst->vsi->crop.left;
+	cr->top = inst->vsi->crop.top;
+	cr->width = inst->vsi->crop.width;
+	cr->height = inst->vsi->crop.height;
+
+	mtk_vcodec_debug(inst, "l=%d, t=%d, w=%d, h=%d",
+			 cr->left, cr->top, cr->width, cr->height);
+}
+
+static void get_dpb_size(struct vdec_h264_inst *inst, unsigned int *dpb_sz)
+{
+	*dpb_sz = inst->vsi->dec.dpb_sz;
+	mtk_vcodec_debug(inst, "sz=%d", *dpb_sz);
+}
+
+static int vdec_h264_init(struct mtk_vcodec_ctx *ctx, unsigned long *h_vdec)
+{
+	struct vdec_h264_inst *inst = NULL;
+	int err;
+
+	inst = kzalloc(sizeof(*inst), GFP_KERNEL);
+	if (!inst)
+		return -ENOMEM;
+
+	inst->ctx = ctx;
+
+	inst->vpu.id = IPI_VDEC_H264;
+	inst->vpu.dev = ctx->dev->vpu_plat_dev;
+	inst->vpu.ctx = ctx;
+	inst->vpu.handler = vpu_dec_ipi_handler;
+
+	err = vpu_dec_init(&inst->vpu);
+	if (err) {
+		mtk_vcodec_err(inst, "vdec_h264 init err=%d", err);
+		goto error_free_inst;
+	}
+
+	inst->vsi = (struct vdec_h264_vsi *)inst->vpu.vsi;
+	err = allocate_predication_buf(inst);
+	if (err)
+		goto error_deinit;
+
+	mtk_vcodec_debug(inst, "H264 Instance >> %p", inst);
+
+	*h_vdec = (unsigned long)inst;
+	return 0;
+
+error_deinit:
+	vpu_dec_deinit(&inst->vpu);
+
+error_free_inst:
+	kfree(inst);
+	return err;
+}
+
+static void vdec_h264_deinit(unsigned long h_vdec)
+{
+	struct vdec_h264_inst *inst = (struct vdec_h264_inst *)h_vdec;
+
+	mtk_vcodec_debug_enter(inst);
+
+	vpu_dec_deinit(&inst->vpu);
+	free_predication_buf(inst);
+	free_mv_buf(inst);
+
+	kfree(inst);
+}
+
+static int find_start_code(unsigned char *data, unsigned int data_sz)
+{
+	if (data_sz > 3 && data[0] == 0 && data[1] == 0 && data[2] == 1)
+		return 3;
+
+	if (data_sz > 4 && data[0] == 0 && data[1] == 0 && data[2] == 0 &&
+	    data[3] == 1)
+		return 4;
+
+	return -1;
+}
+
+static int vdec_h264_decode(unsigned long h_vdec, struct mtk_vcodec_mem *bs,
+			    struct vdec_fb *fb, bool *res_chg)
+{
+	struct vdec_h264_inst *inst = (struct vdec_h264_inst *)h_vdec;
+	struct vdec_vpu_inst *vpu = &inst->vpu;
+	int nal_start_idx = 0;
+	int err = 0;
+	unsigned int nal_start;
+	unsigned int nal_type;
+	unsigned char *buf;
+	unsigned int buf_sz;
+	unsigned int data[2];
+	uint64_t vdec_fb_va = (u64)(uintptr_t)fb;
+	uint64_t y_fb_dma = fb ? (u64)fb->base_y.dma_addr : 0;
+	uint64_t c_fb_dma = fb ? (u64)fb->base_c.dma_addr : 0;
+
+	mtk_vcodec_debug(inst, "+ [%d] FB y_dma=%llx c_dma=%llx va=%p",
+			 ++inst->num_nalu, y_fb_dma, c_fb_dma, fb);
+
+	/* bs NULL means flush decoder */
+	if (bs == NULL)
+		return vpu_dec_reset(vpu);
+
+	buf = (unsigned char *)bs->va;
+	buf_sz = bs->size;
+	nal_start_idx = find_start_code(buf, buf_sz);
+	if (nal_start_idx < 0)
+		goto err_free_fb_out;
+
+	nal_start = buf[nal_start_idx];
+	nal_type = NAL_TYPE(buf[nal_start_idx]);
+	mtk_vcodec_debug(inst, "\n + NALU[%d] type %d +\n", inst->num_nalu,
+			 nal_type);
+
+	if (nal_type == NAL_H264_PPS) {
+		buf_sz -= nal_start_idx;
+		if (buf_sz > HDR_PARSING_BUF_SZ) {
+			err = -EILSEQ;
+			goto err_free_fb_out;
+		}
+		memcpy(inst->vsi->hdr_buf, buf + nal_start_idx, buf_sz);
+	}
+
+	inst->vsi->dec.bs_dma = (uint64_t)bs->dma_addr;
+	inst->vsi->dec.y_fb_dma = y_fb_dma;
+	inst->vsi->dec.c_fb_dma = c_fb_dma;
+	inst->vsi->dec.vdec_fb_va = vdec_fb_va;
+
+	data[0] = buf_sz;
+	data[1] = nal_start;
+	err = vpu_dec_start(vpu, data, 2);
+	if (err)
+		goto err_free_fb_out;
+
+	*res_chg = inst->vsi->dec.resolution_changed;
+	if (*res_chg) {
+		struct vdec_pic_info pic;
+
+		mtk_vcodec_debug(inst, "- resolution changed -");
+		get_pic_info(inst, &pic);
+
+		if (inst->vsi->dec.realloc_mv_buf) {
+			err = alloc_mv_buf(inst, &pic);
+			if (err)
+				goto err_free_fb_out;
+		}
+	}
+
+	if (nal_type == NAL_NON_IDR_SLICE || nal_type == NAL_IDR_SLICE) {
+		/* wait decoder done interrupt */
+		err = mtk_vcodec_wait_for_done_ctx(inst->ctx,
+						   MTK_INST_IRQ_RECEIVED,
+						   WAIT_INTR_TIMEOUT_MS);
+		if (err)
+			goto err_free_fb_out;
+
+		vpu_dec_end(vpu);
+	}
+
+	mtk_vcodec_debug(inst, "\n - NALU[%d] type=%d -\n", inst->num_nalu,
+			 nal_type);
+	return 0;
+
+err_free_fb_out:
+	put_fb_to_free(inst, fb);
+	mtk_vcodec_err(inst, "\n - NALU[%d] err=%d -\n", inst->num_nalu, err);
+	return err;
+}
+
+static void vdec_h264_get_fb(struct vdec_h264_inst *inst,
+			     struct h264_ring_fb_list *list,
+			     bool disp_list, struct vdec_fb **out_fb)
+{
+	struct vdec_fb *fb;
+
+	if (check_list_validity(inst, disp_list))
+		return;
+
+	if (list->count == 0) {
+		mtk_vcodec_debug(inst, "[FB] there is no %s fb",
+				 disp_list ? "disp" : "free");
+		*out_fb = NULL;
+		return;
+	}
+
+	fb = (struct vdec_fb *)
+		(uintptr_t)list->fb_list[list->read_idx].vdec_fb_va;
+	fb->status |= (disp_list ? FB_ST_DISPLAY : FB_ST_FREE);
+
+	*out_fb = fb;
+	mtk_vcodec_debug(inst, "[FB] get %s fb st=%d poc=%d %llx",
+			 disp_list ? "disp" : "free",
+			 fb->status, list->fb_list[list->read_idx].poc,
+			 list->fb_list[list->read_idx].vdec_fb_va);
+
+	list->read_idx = (list->read_idx == H264_MAX_FB_NUM - 1) ?
+			 0 : list->read_idx + 1;
+	list->count--;
+}
+
+static int vdec_h264_get_param(unsigned long h_vdec,
+			       enum vdec_get_param_type type, void *out)
+{
+	struct vdec_h264_inst *inst = (struct vdec_h264_inst *)h_vdec;
+
+	switch (type) {
+	case GET_PARAM_DISP_FRAME_BUFFER:
+		vdec_h264_get_fb(inst, &inst->vsi->list_disp, true, out);
+		break;
+
+	case GET_PARAM_FREE_FRAME_BUFFER:
+		vdec_h264_get_fb(inst, &inst->vsi->list_free, false, out);
+		break;
+
+	case GET_PARAM_PIC_INFO:
+		get_pic_info(inst, out);
+		break;
+
+	case GET_PARAM_DPB_SIZE:
+		get_dpb_size(inst, out);
+		break;
+
+	case GET_PARAM_CROP_INFO:
+		get_crop_info(inst, out);
+		break;
+
+	default:
+		mtk_vcodec_err(inst, "invalid get parameter type=%d", type);
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static struct vdec_common_if vdec_h264_if = {
+	vdec_h264_init,
+	vdec_h264_decode,
+	vdec_h264_get_param,
+	vdec_h264_deinit,
+};
+
+struct vdec_common_if *get_h264_dec_comm_if(void);
+
+struct vdec_common_if *get_h264_dec_comm_if(void)
+{
+	return &vdec_h264_if;
+}
diff --git a/drivers/media/platform/mtk-vcodec/vdec/vdec_vp8_if.c b/drivers/media/platform/mtk-vcodec/vdec/vdec_vp8_if.c
new file mode 100644
index 000000000000..6e7a62ae0842
--- /dev/null
+++ b/drivers/media/platform/mtk-vcodec/vdec/vdec_vp8_if.c
@@ -0,0 +1,634 @@
+/*
+ * Copyright (c) 2016 MediaTek Inc.
+ * Author: Jungchang Tsao <jungchang.tsao@mediatek.com>
+ *	   PC Chen <pc.chen@mediatek.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/slab.h>
+#include "../vdec_drv_if.h"
+#include "../mtk_vcodec_util.h"
+#include "../mtk_vcodec_dec.h"
+#include "../mtk_vcodec_intr.h"
+#include "../vdec_vpu_if.h"
+#include "../vdec_drv_base.h"
+
+/* Decoding picture buffer size (3 reference frames plus current frame) */
+#define VP8_DPB_SIZE			4
+
+/* HW working buffer size (bytes) */
+#define VP8_WORKING_BUF_SZ		(45 * 4096)
+
+/* HW control register address */
+#define VP8_SEGID_DRAM_ADDR		0x3c
+#define VP8_HW_VLD_ADDR			0x93C
+#define VP8_HW_VLD_VALUE		0x940
+#define VP8_BSASET			0x100
+#define VP8_BSDSET			0x104
+#define VP8_RW_CKEN_SET			0x0
+#define VP8_RW_DCM_CON			0x18
+#define VP8_WO_VLD_SRST			0x108
+#define VP8_RW_MISC_SYS_SEL		0x84
+#define VP8_RW_MISC_SPEC_CON		0xC8
+#define VP8_WO_VLD_SRST			0x108
+#define VP8_RW_VP8_CTRL			0xA4
+#define VP8_RW_MISC_DCM_CON		0xEC
+#define VP8_RW_MISC_SRST		0xF4
+#define VP8_RW_MISC_FUNC_CON		0xCC
+
+#define VP8_MAX_FRM_BUF_NUM		5
+#define VP8_MAX_FRM_BUF_NODE_NUM	(VP8_MAX_FRM_BUF_NUM * 2)
+
+/* required buffer size (bytes) to store decode information */
+#define VP8_HW_SEGMENT_DATA_SZ		272
+#define VP8_HW_SEGMENT_UINT		4
+
+#define VP8_DEC_TABLE_PROC_LOOP		96
+#define VP8_DEC_TABLE_UNIT		3
+#define VP8_DEC_TABLE_SZ		300
+#define VP8_DEC_TABLE_OFFSET		2
+#define VP8_DEC_TABLE_RW_UNIT		4
+
+/**
+ * struct vdec_vp8_dec_info - decode misc information
+ * @working_buf_dma   : working buffer dma address
+ * @prev_y_dma        : previous decoded frame buffer Y plane address
+ * @cur_y_fb_dma      : current plane Y frame buffer dma address
+ * @cur_c_fb_dma      : current plane C frame buffer dma address
+ * @bs_dma	      : bitstream dma address
+ * @bs_sz	      : bitstream size
+ * @resolution_changed: resolution change flag 1 - changed,  0 - not change
+ * @show_frame	      : display this frame or not
+ * @wait_key_frame    : wait key frame coming
+ */
+struct vdec_vp8_dec_info {
+	uint64_t working_buf_dma;
+	uint64_t prev_y_dma;
+	uint64_t cur_y_fb_dma;
+	uint64_t cur_c_fb_dma;
+	uint64_t bs_dma;
+	uint32_t bs_sz;
+	uint32_t resolution_changed;
+	uint32_t show_frame;
+	uint32_t wait_key_frame;
+};
+
+/**
+ * struct vdec_vp8_vsi - VPU shared information
+ * @dec			: decoding information
+ * @pic			: picture information
+ * @dec_table		: decoder coefficient table
+ * @segment_buf		: segmentation buffer
+ * @load_data		: flag to indicate reload decode data
+ */
+struct vdec_vp8_vsi {
+	struct vdec_vp8_dec_info dec;
+	struct vdec_pic_info pic;
+	uint32_t dec_table[VP8_DEC_TABLE_SZ];
+	uint32_t segment_buf[VP8_HW_SEGMENT_DATA_SZ][VP8_HW_SEGMENT_UINT];
+	uint32_t load_data;
+};
+
+/**
+ * struct vdec_vp8_hw_reg_base - HW register base
+ * @sys		: base address for sys
+ * @misc	: base address for misc
+ * @ld		: base address for ld
+ * @top		: base address for top
+ * @cm		: base address for cm
+ * @hwd		: base address for hwd
+ * @hwb		: base address for hwb
+ */
+struct vdec_vp8_hw_reg_base {
+	void __iomem *sys;
+	void __iomem *misc;
+	void __iomem *ld;
+	void __iomem *top;
+	void __iomem *cm;
+	void __iomem *hwd;
+	void __iomem *hwb;
+};
+
+/**
+ * struct vdec_vp8_vpu_inst - VPU instance for VP8 decode
+ * @wq_hd	: Wait queue to wait VPU message ack
+ * @signaled	: 1 - Host has received ack message from VPU, 0 - not recevie
+ * @failure	: VPU execution result status 0 - success, others - fail
+ * @inst_addr	: VPU decoder instance address
+ */
+struct vdec_vp8_vpu_inst {
+	wait_queue_head_t wq_hd;
+	int signaled;
+	int failure;
+	uint32_t inst_addr;
+};
+
+/* frame buffer (fb) list
+ * [available_fb_node_list]  - decode fb are initialized to 0 and populated in
+ * [fb_use_list]  - fb is set after decode and is moved to this list
+ * [fb_free_list] - fb is not needed for reference will be moved from
+ *		     [fb_use_list] to [fb_free_list] and
+ *		     once user remove fb from [fb_free_list],
+ *		     it is circulated back to [available_fb_node_list]
+ * [fb_disp_list] - fb is set after decode and is moved to this list
+ *                   once user remove fb from [fb_disp_list] it is
+ *                   circulated back to [available_fb_node_list]
+ */
+
+/**
+ * struct vdec_vp8_inst - VP8 decoder instance
+ * @cur_fb		   : current frame buffer
+ * @dec_fb		   : decode frame buffer node
+ * @available_fb_node_list : list to store available frame buffer node
+ * @fb_use_list		   : list to store frame buffer in use
+ * @fb_free_list	   : list to store free frame buffer
+ * @fb_disp_list	   : list to store display ready frame buffer
+ * @working_buf		   : HW decoder working buffer
+ * @reg_base		   : HW register base address
+ * @frm_cnt		   : decode frame count
+ * @ctx			   : V4L2 context
+ * @dev			   : platform device
+ * @vpu			   : VPU instance for decoder
+ * @vsi			   : VPU share information
+ */
+struct vdec_vp8_inst {
+	struct vdec_fb *cur_fb;
+	struct vdec_fb_node dec_fb[VP8_MAX_FRM_BUF_NODE_NUM];
+	struct list_head available_fb_node_list;
+	struct list_head fb_use_list;
+	struct list_head fb_free_list;
+	struct list_head fb_disp_list;
+	struct mtk_vcodec_mem working_buf;
+	struct vdec_vp8_hw_reg_base reg_base;
+	unsigned int frm_cnt;
+	struct mtk_vcodec_ctx *ctx;
+	struct vdec_vpu_inst vpu;
+	struct vdec_vp8_vsi *vsi;
+};
+
+static void get_hw_reg_base(struct vdec_vp8_inst *inst)
+{
+	inst->reg_base.top = mtk_vcodec_get_reg_addr(inst->ctx, VDEC_TOP);
+	inst->reg_base.cm = mtk_vcodec_get_reg_addr(inst->ctx, VDEC_CM);
+	inst->reg_base.hwd = mtk_vcodec_get_reg_addr(inst->ctx, VDEC_HWD);
+	inst->reg_base.sys = mtk_vcodec_get_reg_addr(inst->ctx, VDEC_SYS);
+	inst->reg_base.misc = mtk_vcodec_get_reg_addr(inst->ctx, VDEC_MISC);
+	inst->reg_base.ld = mtk_vcodec_get_reg_addr(inst->ctx, VDEC_LD);
+	inst->reg_base.hwb = mtk_vcodec_get_reg_addr(inst->ctx, VDEC_HWB);
+}
+
+static void write_hw_segmentation_data(struct vdec_vp8_inst *inst)
+{
+	int i, j;
+	u32 seg_id_addr;
+	u32 val;
+	void __iomem *cm = inst->reg_base.cm;
+	struct vdec_vp8_vsi *vsi = inst->vsi;
+
+	seg_id_addr = readl(inst->reg_base.top + VP8_SEGID_DRAM_ADDR) >> 4;
+
+	for (i = 0; i < ARRAY_SIZE(vsi->segment_buf); i++) {
+		for (j = ARRAY_SIZE(vsi->segment_buf[i]) - 1; j >= 0; j--) {
+			val = (1 << 16) + ((seg_id_addr + i) << 2) + j;
+			writel(val, cm + VP8_HW_VLD_ADDR);
+
+			val = vsi->segment_buf[i][j];
+			writel(val, cm + VP8_HW_VLD_VALUE);
+		}
+	}
+}
+
+static void read_hw_segmentation_data(struct vdec_vp8_inst *inst)
+{
+	int i, j;
+	u32 seg_id_addr;
+	u32 val;
+	void __iomem *cm = inst->reg_base.cm;
+	struct vdec_vp8_vsi *vsi = inst->vsi;
+
+	seg_id_addr = readl(inst->reg_base.top + VP8_SEGID_DRAM_ADDR) >> 4;
+
+	for (i = 0; i < ARRAY_SIZE(vsi->segment_buf); i++) {
+		for (j = ARRAY_SIZE(vsi->segment_buf[i]) - 1; j >= 0; j--) {
+			val = ((seg_id_addr + i) << 2) + j;
+			writel(val, cm + VP8_HW_VLD_ADDR);
+
+			val = readl(cm + VP8_HW_VLD_VALUE);
+			vsi->segment_buf[i][j] = val;
+		}
+	}
+}
+
+/* reset HW and enable HW read/write data function */
+static void enable_hw_rw_function(struct vdec_vp8_inst *inst)
+{
+	u32 val = 0;
+	void __iomem *sys = inst->reg_base.sys;
+	void __iomem *misc = inst->reg_base.misc;
+	void __iomem *ld = inst->reg_base.ld;
+	void __iomem *hwb = inst->reg_base.hwb;
+	void __iomem *hwd = inst->reg_base.hwd;
+
+	writel(0x1, sys + VP8_RW_CKEN_SET);
+	writel(0x101, ld + VP8_WO_VLD_SRST);
+	writel(0x101, hwb + VP8_WO_VLD_SRST);
+
+	writel(1, sys);
+	val = readl(misc + VP8_RW_MISC_SRST);
+	writel((val & 0xFFFFFFFE), misc + VP8_RW_MISC_SRST);
+
+	writel(0x1, misc + VP8_RW_MISC_SYS_SEL);
+	writel(0x17F, misc + VP8_RW_MISC_SPEC_CON);
+	writel(0x71201100, misc + VP8_RW_MISC_FUNC_CON);
+	writel(0x0, ld + VP8_WO_VLD_SRST);
+	writel(0x0, hwb + VP8_WO_VLD_SRST);
+	writel(0x1, sys + VP8_RW_DCM_CON);
+	writel(0x1, misc + VP8_RW_MISC_DCM_CON);
+	writel(0x1, hwd + VP8_RW_VP8_CTRL);
+}
+
+static void store_dec_table(struct vdec_vp8_inst *inst)
+{
+	int i, j;
+	u32 addr = 0, val = 0;
+	void __iomem *hwd = inst->reg_base.hwd;
+	u32 *p = &inst->vsi->dec_table[VP8_DEC_TABLE_OFFSET];
+
+	for (i = 0; i < VP8_DEC_TABLE_PROC_LOOP; i++) {
+		writel(addr, hwd + VP8_BSASET);
+		for (j = 0; j < VP8_DEC_TABLE_UNIT ; j++) {
+			val = *p++;
+			writel(val, hwd + VP8_BSDSET);
+		}
+		addr += VP8_DEC_TABLE_RW_UNIT;
+	}
+}
+
+static void load_dec_table(struct vdec_vp8_inst *inst)
+{
+	int i;
+	u32 addr = 0;
+	u32 *p = &inst->vsi->dec_table[VP8_DEC_TABLE_OFFSET];
+	void __iomem *hwd = inst->reg_base.hwd;
+
+	for (i = 0; i < VP8_DEC_TABLE_PROC_LOOP; i++) {
+		writel(addr, hwd + VP8_BSASET);
+		/* read total 11 bytes */
+		*p++ = readl(hwd + VP8_BSDSET);
+		*p++ = readl(hwd + VP8_BSDSET);
+		*p++ = readl(hwd + VP8_BSDSET) & 0xFFFFFF;
+		addr += VP8_DEC_TABLE_RW_UNIT;
+	}
+}
+
+static void get_pic_info(struct vdec_vp8_inst *inst, struct vdec_pic_info *pic)
+{
+	*pic = inst->vsi->pic;
+
+	mtk_vcodec_debug(inst, "pic(%d, %d), buf(%d, %d)",
+			 pic->pic_w, pic->pic_h, pic->buf_w, pic->buf_h);
+	mtk_vcodec_debug(inst, "Y(%d, %d), C(%d, %d)", pic->y_bs_sz,
+			 pic->y_len_sz, pic->c_bs_sz, pic->c_len_sz);
+}
+
+static void vp8_dec_finish(struct vdec_vp8_inst *inst)
+{
+	struct vdec_fb_node *node;
+	uint64_t prev_y_dma = inst->vsi->dec.prev_y_dma;
+
+	mtk_vcodec_debug(inst, "prev fb base dma=%llx", prev_y_dma);
+
+	/* put last decode ok frame to fb_free_list */
+	if (prev_y_dma != 0) {
+		list_for_each_entry(node, &inst->fb_use_list, list) {
+			struct vdec_fb *fb = (struct vdec_fb *)node->fb;
+
+			if (prev_y_dma == (uint64_t)fb->base_y.dma_addr) {
+				list_move_tail(&node->list,
+					       &inst->fb_free_list);
+				break;
+			}
+		}
+	}
+
+	/* available_fb_node_list -> fb_use_list */
+	node = list_first_entry(&inst->available_fb_node_list,
+				struct vdec_fb_node, list);
+	node->fb = inst->cur_fb;
+	list_move_tail(&node->list, &inst->fb_use_list);
+
+	/* available_fb_node_list -> fb_disp_list */
+	if (inst->vsi->dec.show_frame) {
+		node = list_first_entry(&inst->available_fb_node_list,
+					struct vdec_fb_node, list);
+		node->fb = inst->cur_fb;
+		list_move_tail(&node->list, &inst->fb_disp_list);
+	}
+}
+
+static void move_fb_list_use_to_free(struct vdec_vp8_inst *inst)
+{
+	struct vdec_fb_node *node, *tmp;
+
+	list_for_each_entry_safe(node, tmp, &inst->fb_use_list, list)
+		list_move_tail(&node->list, &inst->fb_free_list);
+}
+
+static void init_list(struct vdec_vp8_inst *inst)
+{
+	int i;
+
+	INIT_LIST_HEAD(&inst->available_fb_node_list);
+	INIT_LIST_HEAD(&inst->fb_use_list);
+	INIT_LIST_HEAD(&inst->fb_free_list);
+	INIT_LIST_HEAD(&inst->fb_disp_list);
+
+	for (i = 0; i < ARRAY_SIZE(inst->dec_fb); i++) {
+		INIT_LIST_HEAD(&inst->dec_fb[i].list);
+		inst->dec_fb[i].fb = NULL;
+		list_add_tail(&inst->dec_fb[i].list,
+			      &inst->available_fb_node_list);
+	}
+}
+
+static void add_fb_to_free_list(struct vdec_vp8_inst *inst, void *fb)
+{
+	struct vdec_fb_node *node;
+
+	if (fb) {
+		node = list_first_entry(&inst->available_fb_node_list,
+					struct vdec_fb_node, list);
+		node->fb = fb;
+		list_move_tail(&node->list, &inst->fb_free_list);
+	}
+}
+
+static int alloc_working_buf(struct vdec_vp8_inst *inst)
+{
+	int err;
+	struct mtk_vcodec_mem *mem = &inst->working_buf;
+
+	mem->size = VP8_WORKING_BUF_SZ;
+	err = mtk_vcodec_mem_alloc(inst->ctx, mem);
+	if (err) {
+		mtk_vcodec_err(inst, "Cannot allocate working buffer");
+		return err;
+	}
+
+	inst->vsi->dec.working_buf_dma = (uint64_t)mem->dma_addr;
+	return 0;
+}
+
+static void free_working_buf(struct vdec_vp8_inst *inst)
+{
+	struct mtk_vcodec_mem *mem = &inst->working_buf;
+
+	if (mem->va)
+		mtk_vcodec_mem_free(inst->ctx, mem);
+
+	inst->vsi->dec.working_buf_dma = 0;
+}
+
+static int vdec_vp8_init(struct mtk_vcodec_ctx *ctx, unsigned long *h_vdec)
+{
+	struct vdec_vp8_inst *inst;
+	int err;
+
+	inst = kzalloc(sizeof(*inst), GFP_KERNEL);
+	if (!inst)
+		return  -ENOMEM;
+
+	inst->ctx = ctx;
+
+	inst->vpu.id = IPI_VDEC_VP8;
+	inst->vpu.dev = ctx->dev->vpu_plat_dev;
+	inst->vpu.ctx = ctx;
+	inst->vpu.handler = vpu_dec_ipi_handler;
+
+	err = vpu_dec_init(&inst->vpu);
+	if (err) {
+		mtk_vcodec_err(inst, "vdec_vp8 init err=%d", err);
+		goto error_free_inst;
+	}
+
+	inst->vsi = (struct vdec_vp8_vsi *)inst->vpu.vsi;
+	init_list(inst);
+	err = alloc_working_buf(inst);
+	if (err)
+		goto error_deinit;
+
+	get_hw_reg_base(inst);
+	mtk_vcodec_debug(inst, "VP8 Instance >> %p", inst);
+
+	*h_vdec = (unsigned long)inst;
+	return 0;
+
+error_deinit:
+	vpu_dec_deinit(&inst->vpu);
+error_free_inst:
+	kfree(inst);
+	return err;
+}
+
+static int vdec_vp8_decode(unsigned long h_vdec, struct mtk_vcodec_mem *bs,
+			   struct vdec_fb *fb, bool *res_chg)
+{
+	struct vdec_vp8_inst *inst = (struct vdec_vp8_inst *)h_vdec;
+	struct vdec_vp8_dec_info *dec = &inst->vsi->dec;
+	struct vdec_vpu_inst *vpu = &inst->vpu;
+	unsigned char *bs_va;
+	unsigned int data;
+	int err = 0;
+	uint64_t y_fb_dma;
+	uint64_t c_fb_dma;
+
+	/* bs NULL means flush decoder */
+	if (bs == NULL) {
+		move_fb_list_use_to_free(inst);
+		return vpu_dec_reset(vpu);
+	}
+
+	y_fb_dma = fb ? (u64)fb->base_y.dma_addr : 0;
+	c_fb_dma = fb ? (u64)fb->base_c.dma_addr : 0;
+
+	mtk_vcodec_debug(inst, "+ [%d] FB y_dma=%llx c_dma=%llx fb=%p",
+			 inst->frm_cnt, y_fb_dma, c_fb_dma, fb);
+
+	inst->cur_fb = fb;
+	dec->bs_dma = (unsigned long)bs->dma_addr;
+	dec->bs_sz = bs->size;
+	dec->cur_y_fb_dma = y_fb_dma;
+	dec->cur_c_fb_dma = c_fb_dma;
+
+	mtk_vcodec_debug(inst, "\n + FRAME[%d] +\n", inst->frm_cnt);
+
+	write_hw_segmentation_data(inst);
+	enable_hw_rw_function(inst);
+	store_dec_table(inst);
+
+	bs_va = (unsigned char *)bs->va;
+
+	/* retrieve width/hight and scale info from header */
+	data = (*(bs_va + 9) << 24) | (*(bs_va + 8) << 16) |
+	       (*(bs_va + 7) << 8) | *(bs_va + 6);
+	err = vpu_dec_start(vpu, &data, 1);
+	if (err) {
+		add_fb_to_free_list(inst, fb);
+		if (dec->wait_key_frame) {
+			mtk_vcodec_debug(inst, "wait key frame !");
+			return 0;
+		}
+
+		goto error;
+	}
+
+	if (dec->resolution_changed) {
+		mtk_vcodec_debug(inst, "- resolution_changed -");
+		*res_chg = true;
+		add_fb_to_free_list(inst, fb);
+		return 0;
+	}
+
+	/* wait decoder done interrupt */
+	mtk_vcodec_wait_for_done_ctx(inst->ctx, MTK_INST_IRQ_RECEIVED,
+				     WAIT_INTR_TIMEOUT_MS);
+
+	if (inst->vsi->load_data)
+		load_dec_table(inst);
+
+	vp8_dec_finish(inst);
+	read_hw_segmentation_data(inst);
+
+	err = vpu_dec_end(vpu);
+	if (err)
+		goto error;
+
+	mtk_vcodec_debug(inst, "\n - FRAME[%d] - show=%d\n", inst->frm_cnt,
+			 dec->show_frame);
+	inst->frm_cnt++;
+	*res_chg = false;
+	return 0;
+
+error:
+	mtk_vcodec_err(inst, "\n - FRAME[%d] - err=%d\n", inst->frm_cnt, err);
+	return err;
+}
+
+static void get_disp_fb(struct vdec_vp8_inst *inst, struct vdec_fb **out_fb)
+{
+	struct vdec_fb_node *node;
+	struct vdec_fb *fb;
+
+	node = list_first_entry_or_null(&inst->fb_disp_list,
+					struct vdec_fb_node, list);
+	if (node) {
+		list_move_tail(&node->list, &inst->available_fb_node_list);
+		fb = (struct vdec_fb *)node->fb;
+		fb->status |= FB_ST_DISPLAY;
+		mtk_vcodec_debug(inst, "[FB] get disp fb %p st=%d",
+				 node->fb, fb->status);
+	} else {
+		fb = NULL;
+		mtk_vcodec_debug(inst, "[FB] there is no disp fb");
+	}
+
+	*out_fb = fb;
+}
+
+static void get_free_fb(struct vdec_vp8_inst *inst, struct vdec_fb **out_fb)
+{
+	struct vdec_fb_node *node;
+	struct vdec_fb *fb;
+
+	node = list_first_entry_or_null(&inst->fb_free_list,
+					struct vdec_fb_node, list);
+	if (node) {
+		list_move_tail(&node->list, &inst->available_fb_node_list);
+		fb = (struct vdec_fb *)node->fb;
+		fb->status |= FB_ST_FREE;
+		mtk_vcodec_debug(inst, "[FB] get free fb %p st=%d",
+				 node->fb, fb->status);
+	} else {
+		fb = NULL;
+		mtk_vcodec_debug(inst, "[FB] there is no free fb");
+	}
+
+	*out_fb = fb;
+}
+
+static void get_crop_info(struct vdec_vp8_inst *inst, struct v4l2_rect *cr)
+{
+	cr->left = 0;
+	cr->top = 0;
+	cr->width = inst->vsi->pic.pic_w;
+	cr->height = inst->vsi->pic.pic_h;
+	mtk_vcodec_debug(inst, "get crop info l=%d, t=%d, w=%d, h=%d",
+			 cr->left, cr->top, cr->width, cr->height);
+}
+
+static int vdec_vp8_get_param(unsigned long h_vdec,
+			      enum vdec_get_param_type type, void *out)
+{
+	struct vdec_vp8_inst *inst = (struct vdec_vp8_inst *)h_vdec;
+
+	switch (type) {
+	case GET_PARAM_DISP_FRAME_BUFFER:
+		get_disp_fb(inst, out);
+		break;
+
+	case GET_PARAM_FREE_FRAME_BUFFER:
+		get_free_fb(inst, out);
+		break;
+
+	case GET_PARAM_PIC_INFO:
+		get_pic_info(inst, out);
+		break;
+
+	case GET_PARAM_CROP_INFO:
+		get_crop_info(inst, out);
+		break;
+
+	case GET_PARAM_DPB_SIZE:
+		*((unsigned int *)out) = VP8_DPB_SIZE;
+		break;
+
+	default:
+		mtk_vcodec_err(inst, "invalid get parameter type=%d", type);
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static void vdec_vp8_deinit(unsigned long h_vdec)
+{
+	struct vdec_vp8_inst *inst = (struct vdec_vp8_inst *)h_vdec;
+
+	mtk_vcodec_debug_enter(inst);
+
+	vpu_dec_deinit(&inst->vpu);
+	free_working_buf(inst);
+	kfree(inst);
+}
+
+static struct vdec_common_if vdec_vp8_if = {
+	vdec_vp8_init,
+	vdec_vp8_decode,
+	vdec_vp8_get_param,
+	vdec_vp8_deinit,
+};
+
+struct vdec_common_if *get_vp8_dec_comm_if(void);
+
+struct vdec_common_if *get_vp8_dec_comm_if(void)
+{
+	return &vdec_vp8_if;
+}
diff --git a/drivers/media/platform/mtk-vcodec/vdec/vdec_vp9_if.c b/drivers/media/platform/mtk-vcodec/vdec/vdec_vp9_if.c
new file mode 100644
index 000000000000..e91a3b425b0c
--- /dev/null
+++ b/drivers/media/platform/mtk-vcodec/vdec/vdec_vp9_if.c
@@ -0,0 +1,967 @@
+/*
+ * Copyright (c) 2016 MediaTek Inc.
+ * Author: Daniel Hsiao <daniel.hsiao@mediatek.com>
+ *	Kai-Sean Yang <kai-sean.yang@mediatek.com>
+ *	Tiffany Lin <tiffany.lin@mediatek.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/fs.h>
+#include <linux/slab.h>
+#include <linux/syscalls.h>
+#include <linux/delay.h>
+#include <linux/time.h>
+
+#include "../mtk_vcodec_intr.h"
+#include "../vdec_drv_base.h"
+#include "../vdec_vpu_if.h"
+
+#define VP9_SUPER_FRAME_BS_SZ 64
+#define MAX_VP9_DPB_SIZE	9
+
+#define REFS_PER_FRAME 3
+#define MAX_NUM_REF_FRAMES 8
+#define VP9_MAX_FRM_BUF_NUM 9
+#define VP9_MAX_FRM_BUF_NODE_NUM (VP9_MAX_FRM_BUF_NUM * 2)
+
+/**
+ * struct vp9_dram_buf - contains buffer info for vpu
+ * @va : cpu address
+ * @pa : iova address
+ * @sz : buffer size
+ * @padding : for 64 bytes alignment
+ */
+struct vp9_dram_buf {
+	unsigned long va;
+	unsigned long pa;
+	unsigned int sz;
+	unsigned int padding;
+};
+
+/**
+ * struct vp9_fb_info - contains frame buffer info
+ * @fb : frmae buffer
+ * @reserved : reserved field used by vpu
+ */
+struct vp9_fb_info {
+	struct vdec_fb *fb;
+	unsigned int reserved[32];
+};
+
+/**
+ * struct vp9_ref_cnt_buf - contains reference buffer information
+ * @buf : referenced frame buffer
+ * @ref_cnt : referenced frame buffer's reference count.
+ *	When reference count=0, remove it from reference list
+ */
+struct vp9_ref_cnt_buf {
+	struct vp9_fb_info buf;
+	unsigned int ref_cnt;
+};
+
+/**
+ * struct vp9_fb_info - contains current frame's reference buffer information
+ * @buf : reference buffer
+ * @idx : reference buffer index to frm_bufs
+ * @reserved : reserved field used by vpu
+ */
+struct vp9_ref_buf {
+	struct vp9_fb_info *buf;
+	unsigned int idx;
+	unsigned int reserved[6];
+};
+
+/**
+ * struct vp9_fb_info - contains frame buffer info
+ * @fb : super frame reference frame buffer
+ * @used : this reference frame info entry is used
+ * @padding : for 64 bytes size align
+ */
+struct vp9_sf_ref_fb {
+	struct vdec_fb fb;
+	int used;
+	int padding;
+};
+
+/*
+ * struct vdec_vp9_vsi - shared buffer between host and VPU firmware
+ *	AP-W/R : AP is writer/reader on this item
+ *	VPU-W/R: VPU is write/reader on this item
+ * @sf_bs_buf : super frame backup buffer (AP-W, VPU-R)
+ * @sf_ref_fb : record supoer frame reference buffer information
+ *	(AP-R/W, VPU-R/W)
+ * @sf_next_ref_fb_idx : next available super frame (AP-W, VPU-R)
+ * @sf_frm_cnt : super frame count, filled by vpu (AP-R, VPU-W)
+ * @sf_frm_offset : super frame offset, filled by vpu (AP-R, VPU-W)
+ * @sf_frm_sz : super frame size, filled by vpu (AP-R, VPU-W)
+ * @sf_frm_idx : current super frame (AP-R, VPU-W)
+ * @sf_init : inform super frame info already parsed by vpu (AP-R, VPU-W)
+ * @fb : capture buffer (AP-W, VPU-R)
+ * @bs : bs buffer (AP-W, VPU-R)
+ * @cur_fb : current show capture buffer (AP-R/W, VPU-R/W)
+ * @pic_w : picture width (AP-R, VPU-W)
+ * @pic_h : picture height (AP-R, VPU-W)
+ * @buf_w : codec width (AP-R, VPU-W)
+ * @buf_h : coded height (AP-R, VPU-W)
+ * @buf_sz_y_bs : ufo compressed y plane size (AP-R, VPU-W)
+ * @buf_sz_c_bs : ufo compressed cbcr plane size (AP-R, VPU-W)
+ * @buf_len_sz_y : size used to store y plane ufo info (AP-R, VPU-W)
+ * @buf_len_sz_c : size used to store cbcr plane ufo info (AP-R, VPU-W)
+
+ * @profile : profile sparsed from vpu (AP-R, VPU-W)
+ * @show_frame : display this frame or not (AP-R, VPU-W)
+ * @show_existing_frame : inform this frame is show existing frame
+ *	(AP-R, VPU-W)
+ * @frm_to_show_idx : index to show frame (AP-R, VPU-W)
+
+ * @refresh_frm_flags : indicate when frame need to refine reference count
+ *	(AP-R, VPU-W)
+ * @resolution_changed : resolution change in this frame (AP-R, VPU-W)
+
+ * @frm_bufs : maintain reference buffer info (AP-R/W, VPU-R/W)
+ * @ref_frm_map : maintain reference buffer map info (AP-R/W, VPU-R/W)
+ * @new_fb_idx : index to frm_bufs array (AP-R, VPU-W)
+ * @frm_num : decoded frame number, include sub-frame count (AP-R, VPU-W)
+ * @mv_buf : motion vector working buffer (AP-W, VPU-R)
+ * @frm_refs : maintain three reference buffer info (AP-R/W, VPU-R/W)
+ */
+struct vdec_vp9_vsi {
+	unsigned char sf_bs_buf[VP9_SUPER_FRAME_BS_SZ];
+	struct vp9_sf_ref_fb sf_ref_fb[VP9_MAX_FRM_BUF_NUM-1];
+	int sf_next_ref_fb_idx;
+	unsigned int sf_frm_cnt;
+	unsigned int sf_frm_offset[VP9_MAX_FRM_BUF_NUM-1];
+	unsigned int sf_frm_sz[VP9_MAX_FRM_BUF_NUM-1];
+	unsigned int sf_frm_idx;
+	unsigned int sf_init;
+	struct vdec_fb fb;
+	struct mtk_vcodec_mem bs;
+	struct vdec_fb cur_fb;
+	unsigned int pic_w;
+	unsigned int pic_h;
+	unsigned int buf_w;
+	unsigned int buf_h;
+	unsigned int buf_sz_y_bs;
+	unsigned int buf_sz_c_bs;
+	unsigned int buf_len_sz_y;
+	unsigned int buf_len_sz_c;
+	unsigned int profile;
+	unsigned int show_frame;
+	unsigned int show_existing_frame;
+	unsigned int frm_to_show_idx;
+	unsigned int refresh_frm_flags;
+	unsigned int resolution_changed;
+
+	struct vp9_ref_cnt_buf frm_bufs[VP9_MAX_FRM_BUF_NUM];
+	int ref_frm_map[MAX_NUM_REF_FRAMES];
+	unsigned int new_fb_idx;
+	unsigned int frm_num;
+	struct vp9_dram_buf mv_buf;
+
+	struct vp9_ref_buf frm_refs[REFS_PER_FRAME];
+};
+
+/*
+ * struct vdec_vp9_inst - vp9 decode instance
+ * @mv_buf : working buffer for mv
+ * @dec_fb : vdec_fb node to link fb to different fb_xxx_list
+ * @available_fb_node_list : current available vdec_fb node
+ * @fb_use_list : current used or referenced vdec_fb
+ * @fb_free_list : current available to free vdec_fb
+ * @fb_disp_list : current available to display vdec_fb
+ * @cur_fb : current frame buffer
+ * @ctx : current decode context
+ * @vpu : vpu instance information
+ * @vsi : shared buffer between host and VPU firmware
+ * @total_frm_cnt : total frame count, it do not include sub-frames in super
+ *	    frame
+ * @mem : instance memory information
+ */
+struct vdec_vp9_inst {
+	struct mtk_vcodec_mem mv_buf;
+
+	struct vdec_fb_node dec_fb[VP9_MAX_FRM_BUF_NODE_NUM];
+	struct list_head available_fb_node_list;
+	struct list_head fb_use_list;
+	struct list_head fb_free_list;
+	struct list_head fb_disp_list;
+	struct vdec_fb *cur_fb;
+	struct mtk_vcodec_ctx *ctx;
+	struct vdec_vpu_inst vpu;
+	struct vdec_vp9_vsi *vsi;
+	unsigned int total_frm_cnt;
+	struct mtk_vcodec_mem mem;
+};
+
+static bool vp9_is_sf_ref_fb(struct vdec_vp9_inst *inst, struct vdec_fb *fb)
+{
+	int i;
+	struct vdec_vp9_vsi *vsi = inst->vsi;
+
+	for (i = 0; i < ARRAY_SIZE(vsi->sf_ref_fb); i++) {
+		if (fb == &vsi->sf_ref_fb[i].fb)
+			return true;
+	}
+	return false;
+}
+
+static struct vdec_fb *vp9_rm_from_fb_use_list(struct vdec_vp9_inst
+					*inst, void *addr)
+{
+	struct vdec_fb *fb = NULL;
+	struct vdec_fb_node *node;
+
+	list_for_each_entry(node, &inst->fb_use_list, list) {
+		fb = (struct vdec_fb *)node->fb;
+		if (fb->base_y.va == addr) {
+			list_move_tail(&node->list,
+				       &inst->available_fb_node_list);
+			break;
+		}
+	}
+	return fb;
+}
+
+static void vp9_add_to_fb_free_list(struct vdec_vp9_inst *inst,
+			     struct vdec_fb *fb)
+{
+	struct vdec_fb_node *node;
+
+	if (fb) {
+		node = list_first_entry_or_null(&inst->available_fb_node_list,
+					struct vdec_fb_node, list);
+
+		if (node) {
+			node->fb = fb;
+			list_move_tail(&node->list, &inst->fb_free_list);
+		}
+	} else {
+		mtk_vcodec_debug(inst, "No free fb node");
+	}
+}
+
+static void vp9_free_sf_ref_fb(struct vdec_fb *fb)
+{
+	struct vp9_sf_ref_fb *sf_ref_fb =
+		container_of(fb, struct vp9_sf_ref_fb, fb);
+
+	sf_ref_fb->used = 0;
+}
+
+static void vp9_ref_cnt_fb(struct vdec_vp9_inst *inst, int *idx,
+			   int new_idx)
+{
+	struct vdec_vp9_vsi *vsi = inst->vsi;
+	int ref_idx = *idx;
+
+	if (ref_idx >= 0 && vsi->frm_bufs[ref_idx].ref_cnt > 0) {
+		vsi->frm_bufs[ref_idx].ref_cnt--;
+
+		if (vsi->frm_bufs[ref_idx].ref_cnt == 0) {
+			if (!vp9_is_sf_ref_fb(inst,
+					      vsi->frm_bufs[ref_idx].buf.fb)) {
+				struct vdec_fb *fb;
+
+				fb = vp9_rm_from_fb_use_list(inst,
+				     vsi->frm_bufs[ref_idx].buf.fb->base_y.va);
+				vp9_add_to_fb_free_list(inst, fb);
+			} else
+				vp9_free_sf_ref_fb(
+					vsi->frm_bufs[ref_idx].buf.fb);
+		}
+	}
+
+	*idx = new_idx;
+	vsi->frm_bufs[new_idx].ref_cnt++;
+}
+
+static void vp9_free_all_sf_ref_fb(struct vdec_vp9_inst *inst)
+{
+	int i;
+	struct vdec_vp9_vsi *vsi = inst->vsi;
+
+	for (i = 0; i < ARRAY_SIZE(vsi->sf_ref_fb); i++) {
+		if (vsi->sf_ref_fb[i].fb.base_y.va) {
+			mtk_vcodec_mem_free(inst->ctx,
+				&vsi->sf_ref_fb[i].fb.base_y);
+			mtk_vcodec_mem_free(inst->ctx,
+				&vsi->sf_ref_fb[i].fb.base_c);
+			vsi->sf_ref_fb[i].used = 0;
+		}
+	}
+}
+
+/* For each sub-frame except the last one, the driver will dynamically
+ * allocate reference buffer by calling vp9_get_sf_ref_fb()
+ * The last sub-frame will use the original fb provided by the
+ * vp9_dec_decode() interface
+ */
+static int vp9_get_sf_ref_fb(struct vdec_vp9_inst *inst)
+{
+	int idx;
+	struct mtk_vcodec_mem *mem_basy_y;
+	struct mtk_vcodec_mem *mem_basy_c;
+	struct vdec_vp9_vsi *vsi = inst->vsi;
+
+	for (idx = 0;
+		idx < ARRAY_SIZE(vsi->sf_ref_fb);
+		idx++) {
+		if (vsi->sf_ref_fb[idx].fb.base_y.va &&
+		    vsi->sf_ref_fb[idx].used == 0) {
+			return idx;
+		}
+	}
+
+	for (idx = 0;
+		idx < ARRAY_SIZE(vsi->sf_ref_fb);
+		idx++) {
+		if (vsi->sf_ref_fb[idx].fb.base_y.va == NULL)
+			break;
+	}
+
+	if (idx == ARRAY_SIZE(vsi->sf_ref_fb)) {
+		mtk_vcodec_err(inst, "List Full");
+		return -1;
+	}
+
+	mem_basy_y = &vsi->sf_ref_fb[idx].fb.base_y;
+	mem_basy_y->size = vsi->buf_sz_y_bs +
+		vsi->buf_len_sz_y;
+
+	if (mtk_vcodec_mem_alloc(inst->ctx, mem_basy_y)) {
+		mtk_vcodec_err(inst, "Cannot allocate sf_ref_buf y_buf");
+		return -1;
+	}
+
+	mem_basy_c = &vsi->sf_ref_fb[idx].fb.base_c;
+	mem_basy_c->size = vsi->buf_sz_c_bs +
+		vsi->buf_len_sz_c;
+
+	if (mtk_vcodec_mem_alloc(inst->ctx, mem_basy_c)) {
+		mtk_vcodec_err(inst, "Cannot allocate sf_ref_fb c_buf");
+		return -1;
+	}
+	vsi->sf_ref_fb[idx].used = 0;
+
+	return idx;
+}
+
+static bool vp9_alloc_work_buf(struct vdec_vp9_inst *inst)
+{
+	struct vdec_vp9_vsi *vsi = inst->vsi;
+	int result;
+	struct mtk_vcodec_mem *mem;
+
+	unsigned int max_pic_w;
+	unsigned int max_pic_h;
+
+
+	if (!(inst->ctx->dev->dec_capability &
+		VCODEC_CAPABILITY_4K_DISABLED)) {
+		max_pic_w = VCODEC_DEC_4K_CODED_WIDTH;
+		max_pic_h = VCODEC_DEC_4K_CODED_HEIGHT;
+	} else {
+		max_pic_w = MTK_VDEC_MAX_W;
+		max_pic_h = MTK_VDEC_MAX_H;
+	}
+
+	if ((vsi->pic_w > max_pic_w) ||
+		(vsi->pic_h > max_pic_h)) {
+		mtk_vcodec_err(inst, "Invalid w/h %d/%d",
+				vsi->pic_w, vsi->pic_h);
+		return false;
+	}
+
+	mtk_vcodec_debug(inst, "BUF CHG(%d): w/h/sb_w/sb_h=%d/%d/%d/%d",
+			vsi->resolution_changed,
+			vsi->pic_w,
+			vsi->pic_h,
+			vsi->buf_w,
+			vsi->buf_h);
+
+	mem = &inst->mv_buf;
+
+	if (mem->va)
+		mtk_vcodec_mem_free(inst->ctx, mem);
+
+	mem->size = ((vsi->buf_w / 64) *
+		    (vsi->buf_h / 64) + 2) * 36 * 16;
+
+	result = mtk_vcodec_mem_alloc(inst->ctx, mem);
+	if (result) {
+		mem->size = 0;
+		mtk_vcodec_err(inst, "Cannot allocate mv_buf");
+		return false;
+	}
+	/* Set the va again */
+	vsi->mv_buf.va = (unsigned long)mem->va;
+	vsi->mv_buf.pa = (unsigned long)mem->dma_addr;
+	vsi->mv_buf.sz = (unsigned int)mem->size;
+
+	vp9_free_all_sf_ref_fb(inst);
+	vsi->sf_next_ref_fb_idx = vp9_get_sf_ref_fb(inst);
+
+	return true;
+}
+
+static bool vp9_add_to_fb_disp_list(struct vdec_vp9_inst *inst,
+			     struct vdec_fb *fb)
+{
+	struct vdec_fb_node *node;
+
+	if (!fb) {
+		mtk_vcodec_err(inst, "fb == NULL");
+		return false;
+	}
+
+	node = list_first_entry_or_null(&inst->available_fb_node_list,
+					struct vdec_fb_node, list);
+	if (node) {
+		node->fb = fb;
+		list_move_tail(&node->list, &inst->fb_disp_list);
+	} else {
+		mtk_vcodec_err(inst, "No available fb node");
+		return false;
+	}
+
+	return true;
+}
+
+/* If any buffer updating is signaled it should be done here. */
+static void vp9_swap_frm_bufs(struct vdec_vp9_inst *inst)
+{
+	struct vdec_vp9_vsi *vsi = inst->vsi;
+	struct vp9_fb_info *frm_to_show;
+	int ref_index = 0, mask;
+
+	for (mask = vsi->refresh_frm_flags; mask; mask >>= 1) {
+		if (mask & 1)
+			vp9_ref_cnt_fb(inst, &vsi->ref_frm_map[ref_index],
+				       vsi->new_fb_idx);
+		++ref_index;
+	}
+
+	frm_to_show = &vsi->frm_bufs[vsi->new_fb_idx].buf;
+	vsi->frm_bufs[vsi->new_fb_idx].ref_cnt--;
+
+	if (frm_to_show->fb != inst->cur_fb) {
+		/* This frame is show exist frame and no decode output
+		 * copy frame data from frm_to_show to current CAPTURE
+		 * buffer
+		 */
+		if ((frm_to_show->fb != NULL) &&
+			(inst->cur_fb->base_y.size >=
+			frm_to_show->fb->base_y.size)) {
+			memcpy((void *)inst->cur_fb->base_y.va,
+				(void *)frm_to_show->fb->base_y.va,
+				vsi->buf_w *
+				vsi->buf_h);
+			memcpy((void *)inst->cur_fb->base_c.va,
+				(void *)frm_to_show->fb->base_c.va,
+				vsi->buf_w *
+				vsi->buf_h / 2);
+		} else {
+			/* After resolution change case, current CAPTURE buffer
+			 * may have less buffer size than frm_to_show buffer
+			 * size
+			 */
+			if (frm_to_show->fb != NULL)
+				mtk_vcodec_err(inst,
+					"inst->cur_fb->base_y.size=%zu, frm_to_show->fb.base_y.size=%zu",
+					inst->cur_fb->base_y.size,
+					frm_to_show->fb->base_y.size);
+		}
+		if (!vp9_is_sf_ref_fb(inst, inst->cur_fb)) {
+			if (vsi->show_frame)
+				vp9_add_to_fb_disp_list(inst, inst->cur_fb);
+		}
+	} else {
+		if (!vp9_is_sf_ref_fb(inst, inst->cur_fb)) {
+			if (vsi->show_frame)
+				vp9_add_to_fb_disp_list(inst, frm_to_show->fb);
+		}
+	}
+
+	/* when ref_cnt ==0, move this fb to fb_free_list. v4l2 driver will
+	 * clean fb_free_list
+	 */
+	if (vsi->frm_bufs[vsi->new_fb_idx].ref_cnt == 0) {
+		if (!vp9_is_sf_ref_fb(
+			inst, vsi->frm_bufs[vsi->new_fb_idx].buf.fb)) {
+			struct vdec_fb *fb;
+
+			fb = vp9_rm_from_fb_use_list(inst,
+			vsi->frm_bufs[vsi->new_fb_idx].buf.fb->base_y.va);
+
+			vp9_add_to_fb_free_list(inst, fb);
+		} else {
+			vp9_free_sf_ref_fb(
+				vsi->frm_bufs[vsi->new_fb_idx].buf.fb);
+		}
+	}
+
+	/* if this super frame and it is not last sub-frame, get next fb for
+	 * sub-frame decode
+	 */
+	if (vsi->sf_frm_cnt > 0 && vsi->sf_frm_idx != vsi->sf_frm_cnt - 1)
+		vsi->sf_next_ref_fb_idx = vp9_get_sf_ref_fb(inst);
+}
+
+static bool vp9_wait_dec_end(struct vdec_vp9_inst *inst)
+{
+	struct mtk_vcodec_ctx *ctx = inst->ctx;
+
+	mtk_vcodec_wait_for_done_ctx(inst->ctx,
+			MTK_INST_IRQ_RECEIVED,
+			WAIT_INTR_TIMEOUT_MS);
+
+	if (ctx->irq_status & MTK_VDEC_IRQ_STATUS_DEC_SUCCESS)
+		return true;
+	else
+		return false;
+}
+
+static struct vdec_vp9_inst *vp9_alloc_inst(struct mtk_vcodec_ctx *ctx)
+{
+	int result;
+	struct mtk_vcodec_mem mem;
+	struct vdec_vp9_inst *inst;
+
+	memset(&mem, 0, sizeof(mem));
+	mem.size = sizeof(struct vdec_vp9_inst);
+	result = mtk_vcodec_mem_alloc(ctx, &mem);
+	if (result)
+		return NULL;
+
+	inst = mem.va;
+	inst->mem = mem;
+
+	return inst;
+}
+
+static void vp9_free_inst(struct vdec_vp9_inst *inst)
+{
+	struct mtk_vcodec_mem mem;
+
+	mem = inst->mem;
+	if (mem.va)
+		mtk_vcodec_mem_free(inst->ctx, &mem);
+}
+
+static bool vp9_decode_end_proc(struct vdec_vp9_inst *inst)
+{
+	struct vdec_vp9_vsi *vsi = inst->vsi;
+	bool ret = false;
+
+	if (!vsi->show_existing_frame) {
+		ret = vp9_wait_dec_end(inst);
+		if (!ret) {
+			mtk_vcodec_err(inst, "Decode failed, Decode Timeout @[%d]",
+				vsi->frm_num);
+			return false;
+		}
+
+		if (vpu_dec_end(&inst->vpu)) {
+			mtk_vcodec_err(inst, "vp9_dec_vpu_end failed");
+			return false;
+		}
+		mtk_vcodec_debug(inst, "Decode Ok @%d (%d/%d)", vsi->frm_num,
+				vsi->pic_w, vsi->pic_h);
+	} else {
+		mtk_vcodec_debug(inst, "Decode Ok @%d (show_existing_frame)",
+				vsi->frm_num);
+	}
+
+	vp9_swap_frm_bufs(inst);
+	vsi->frm_num++;
+	return true;
+}
+
+static bool vp9_is_last_sub_frm(struct vdec_vp9_inst *inst)
+{
+	struct vdec_vp9_vsi *vsi = inst->vsi;
+
+	if (vsi->sf_frm_cnt <= 0 || vsi->sf_frm_idx == vsi->sf_frm_cnt)
+		return true;
+
+	return false;
+}
+
+static struct vdec_fb *vp9_rm_from_fb_disp_list(struct vdec_vp9_inst *inst)
+{
+	struct vdec_fb_node *node;
+	struct vdec_fb *fb = NULL;
+
+	node = list_first_entry_or_null(&inst->fb_disp_list,
+					struct vdec_fb_node, list);
+	if (node) {
+		fb = (struct vdec_fb *)node->fb;
+		fb->status |= FB_ST_DISPLAY;
+		list_move_tail(&node->list, &inst->available_fb_node_list);
+		mtk_vcodec_debug(inst, "[FB] get disp fb %p st=%d",
+				 node->fb, fb->status);
+	} else
+		mtk_vcodec_debug(inst, "[FB] there is no disp fb");
+
+	return fb;
+}
+
+static bool vp9_add_to_fb_use_list(struct vdec_vp9_inst *inst,
+			    struct vdec_fb *fb)
+{
+	struct vdec_fb_node *node;
+
+	if (!fb) {
+		mtk_vcodec_debug(inst, "fb == NULL");
+		return false;
+	}
+
+	node = list_first_entry_or_null(&inst->available_fb_node_list,
+					struct vdec_fb_node, list);
+	if (node) {
+		node->fb = fb;
+		list_move_tail(&node->list, &inst->fb_use_list);
+	} else {
+		mtk_vcodec_err(inst, "No free fb node");
+		return false;
+	}
+	return true;
+}
+
+static void vp9_reset(struct vdec_vp9_inst *inst)
+{
+	struct vdec_fb_node *node, *tmp;
+
+	list_for_each_entry_safe(node, tmp, &inst->fb_use_list, list)
+		list_move_tail(&node->list, &inst->fb_free_list);
+
+	vp9_free_all_sf_ref_fb(inst);
+	inst->vsi->sf_next_ref_fb_idx = vp9_get_sf_ref_fb(inst);
+
+	if (vpu_dec_reset(&inst->vpu))
+		mtk_vcodec_err(inst, "vp9_dec_vpu_reset failed");
+
+	/* Set the va again, since vpu_dec_reset will clear mv_buf in vpu */
+	inst->vsi->mv_buf.va = (unsigned long)inst->mv_buf.va;
+	inst->vsi->mv_buf.pa = (unsigned long)inst->mv_buf.dma_addr;
+	inst->vsi->mv_buf.sz = (unsigned long)inst->mv_buf.size;
+}
+
+static void init_all_fb_lists(struct vdec_vp9_inst *inst)
+{
+	int i;
+
+	INIT_LIST_HEAD(&inst->available_fb_node_list);
+	INIT_LIST_HEAD(&inst->fb_use_list);
+	INIT_LIST_HEAD(&inst->fb_free_list);
+	INIT_LIST_HEAD(&inst->fb_disp_list);
+
+	for (i = 0; i < ARRAY_SIZE(inst->dec_fb); i++) {
+		INIT_LIST_HEAD(&inst->dec_fb[i].list);
+		inst->dec_fb[i].fb = NULL;
+		list_add_tail(&inst->dec_fb[i].list,
+			      &inst->available_fb_node_list);
+	}
+}
+
+static void get_pic_info(struct vdec_vp9_inst *inst, struct vdec_pic_info *pic)
+{
+	pic->y_bs_sz = inst->vsi->buf_sz_y_bs;
+	pic->c_bs_sz = inst->vsi->buf_sz_c_bs;
+	pic->y_len_sz = inst->vsi->buf_len_sz_y;
+	pic->c_len_sz = inst->vsi->buf_len_sz_c;
+
+	pic->pic_w = inst->vsi->pic_w;
+	pic->pic_h = inst->vsi->pic_h;
+	pic->buf_w = inst->vsi->buf_w;
+	pic->buf_h = inst->vsi->buf_h;
+
+	mtk_vcodec_debug(inst, "pic(%d, %d), buf(%d, %d)",
+		 pic->pic_w, pic->pic_h, pic->buf_w, pic->buf_h);
+	mtk_vcodec_debug(inst, "Y(%d, %d), C(%d, %d)", pic->y_bs_sz,
+		 pic->y_len_sz, pic->c_bs_sz, pic->c_len_sz);
+}
+
+static void get_disp_fb(struct vdec_vp9_inst *inst, struct vdec_fb **out_fb)
+{
+
+	*out_fb = vp9_rm_from_fb_disp_list(inst);
+	if (*out_fb)
+		(*out_fb)->status |= FB_ST_DISPLAY;
+}
+
+static void get_free_fb(struct vdec_vp9_inst *inst, struct vdec_fb **out_fb)
+{
+	struct vdec_fb_node *node;
+	struct vdec_fb *fb = NULL;
+
+	node = list_first_entry_or_null(&inst->fb_free_list,
+					struct vdec_fb_node, list);
+	if (node) {
+		list_move_tail(&node->list, &inst->available_fb_node_list);
+		fb = (struct vdec_fb *)node->fb;
+		fb->status |= FB_ST_FREE;
+		mtk_vcodec_debug(inst, "[FB] get free fb %p st=%d",
+				 node->fb, fb->status);
+	} else {
+		mtk_vcodec_debug(inst, "[FB] there is no free fb");
+	}
+
+	*out_fb = fb;
+}
+
+static void vdec_vp9_deinit(unsigned long h_vdec)
+{
+	struct vdec_vp9_inst *inst = (struct vdec_vp9_inst *)h_vdec;
+	struct mtk_vcodec_mem *mem;
+	int ret = 0;
+
+	ret = vpu_dec_deinit(&inst->vpu);
+	if (ret)
+		mtk_vcodec_err(inst, "vpu_dec_deinit failed");
+
+	mem = &inst->mv_buf;
+	if (mem->va)
+		mtk_vcodec_mem_free(inst->ctx, mem);
+
+	vp9_free_all_sf_ref_fb(inst);
+	vp9_free_inst(inst);
+}
+
+static int vdec_vp9_init(struct mtk_vcodec_ctx *ctx, unsigned long *h_vdec)
+{
+	struct vdec_vp9_inst *inst;
+
+	inst = vp9_alloc_inst(ctx);
+	if (!inst)
+		return -ENOMEM;
+
+	inst->total_frm_cnt = 0;
+	inst->ctx = ctx;
+
+	inst->vpu.id = IPI_VDEC_VP9;
+	inst->vpu.dev = ctx->dev->vpu_plat_dev;
+	inst->vpu.ctx = ctx;
+	inst->vpu.handler = vpu_dec_ipi_handler;
+
+	if (vpu_dec_init(&inst->vpu)) {
+		mtk_vcodec_err(inst, "vp9_dec_vpu_init failed");
+		goto err_deinit_inst;
+	}
+
+	inst->vsi = (struct vdec_vp9_vsi *)inst->vpu.vsi;
+	init_all_fb_lists(inst);
+
+	(*h_vdec) = (unsigned long)inst;
+	return 0;
+
+err_deinit_inst:
+	vp9_free_inst(inst);
+
+	return -EINVAL;
+}
+
+static int vdec_vp9_decode(unsigned long h_vdec, struct mtk_vcodec_mem *bs,
+		   struct vdec_fb *fb, bool *res_chg)
+{
+	int ret = 0;
+	struct vdec_vp9_inst *inst = (struct vdec_vp9_inst *)h_vdec;
+	struct vdec_vp9_vsi *vsi = inst->vsi;
+	u32 data[3];
+	int i;
+
+	*res_chg = false;
+
+	if ((bs == NULL) && (fb == NULL)) {
+		mtk_vcodec_debug(inst, "[EOS]");
+		vp9_reset(inst);
+		return ret;
+	}
+
+	if (bs == NULL) {
+		mtk_vcodec_err(inst, "bs == NULL");
+		return -EINVAL;
+	}
+
+	mtk_vcodec_debug(inst, "Input BS Size = %zu", bs->size);
+
+	while (1) {
+		struct vdec_fb *cur_fb = NULL;
+
+		data[0] = *((unsigned int *)bs->va);
+		data[1] = *((unsigned int *)(bs->va + 4));
+		data[2] = *((unsigned int *)(bs->va + 8));
+
+		vsi->bs = *bs;
+
+		if (fb)
+			vsi->fb = *fb;
+
+		if (!vsi->sf_init) {
+			unsigned int sf_bs_sz;
+			unsigned int sf_bs_off;
+			unsigned char *sf_bs_src;
+			unsigned char *sf_bs_dst;
+
+			sf_bs_sz = bs->size > VP9_SUPER_FRAME_BS_SZ ?
+					VP9_SUPER_FRAME_BS_SZ : bs->size;
+			sf_bs_off = VP9_SUPER_FRAME_BS_SZ - sf_bs_sz;
+			sf_bs_src = bs->va + bs->size - sf_bs_sz;
+			sf_bs_dst = vsi->sf_bs_buf + sf_bs_off;
+			memcpy(sf_bs_dst, sf_bs_src, sf_bs_sz);
+		} else {
+			if ((vsi->sf_frm_cnt > 0) &&
+				(vsi->sf_frm_idx < vsi->sf_frm_cnt)) {
+				unsigned int idx = vsi->sf_frm_idx;
+
+				memcpy((void *)bs->va,
+					(void *)(bs->va +
+					vsi->sf_frm_offset[idx]),
+					vsi->sf_frm_sz[idx]);
+			}
+		}
+		ret = vpu_dec_start(&inst->vpu, data, 3);
+		if (ret) {
+			mtk_vcodec_err(inst, "vpu_dec_start failed");
+			goto DECODE_ERROR;
+		}
+
+		if (vsi->resolution_changed) {
+			if (!vp9_alloc_work_buf(inst)) {
+				ret = -EINVAL;
+				goto DECODE_ERROR;
+			}
+		}
+
+		if (vsi->sf_frm_cnt > 0) {
+			cur_fb = &vsi->sf_ref_fb[vsi->sf_next_ref_fb_idx].fb;
+
+			if (vsi->sf_frm_idx < vsi->sf_frm_cnt)
+				inst->cur_fb = cur_fb;
+			else
+				inst->cur_fb = fb;
+		} else {
+			inst->cur_fb = fb;
+		}
+
+		vsi->frm_bufs[vsi->new_fb_idx].buf.fb = inst->cur_fb;
+		if (!vp9_is_sf_ref_fb(inst, inst->cur_fb))
+			vp9_add_to_fb_use_list(inst, inst->cur_fb);
+
+		mtk_vcodec_debug(inst, "[#pic %d]", vsi->frm_num);
+
+		if (vsi->show_existing_frame)
+			mtk_vcodec_debug(inst,
+				"drv->new_fb_idx=%d, drv->frm_to_show_idx=%d",
+				vsi->new_fb_idx, vsi->frm_to_show_idx);
+
+		if (vsi->show_existing_frame && (vsi->frm_to_show_idx <
+					VP9_MAX_FRM_BUF_NUM)) {
+			mtk_vcodec_err(inst,
+				"Skip Decode drv->new_fb_idx=%d, drv->frm_to_show_idx=%d",
+				vsi->new_fb_idx, vsi->frm_to_show_idx);
+
+			vp9_ref_cnt_fb(inst, &vsi->new_fb_idx,
+					vsi->frm_to_show_idx);
+			ret = -EINVAL;
+			goto DECODE_ERROR;
+		}
+
+		/* VPU assign the buffer pointer in its address space,
+		 * reassign here
+		 */
+		for (i = 0; i < ARRAY_SIZE(vsi->frm_refs); i++) {
+			unsigned int idx = vsi->frm_refs[i].idx;
+
+			vsi->frm_refs[i].buf = &vsi->frm_bufs[idx].buf;
+		}
+
+		if (vsi->resolution_changed) {
+			*res_chg = true;
+			mtk_vcodec_debug(inst, "VDEC_ST_RESOLUTION_CHANGED");
+
+			ret = 0;
+			goto DECODE_ERROR;
+		}
+
+		if (vp9_decode_end_proc(inst) != true) {
+			mtk_vcodec_err(inst, "vp9_decode_end_proc");
+			ret = -EINVAL;
+			goto DECODE_ERROR;
+		}
+
+		if (vp9_is_last_sub_frm(inst))
+			break;
+
+	}
+	inst->total_frm_cnt++;
+
+DECODE_ERROR:
+	if (ret < 0)
+		vp9_add_to_fb_free_list(inst, fb);
+
+	return ret;
+}
+
+static void get_crop_info(struct vdec_vp9_inst *inst, struct v4l2_rect *cr)
+{
+	cr->left = 0;
+	cr->top = 0;
+	cr->width = inst->vsi->pic_w;
+	cr->height = inst->vsi->pic_h;
+	mtk_vcodec_debug(inst, "get crop info l=%d, t=%d, w=%d, h=%d\n",
+			 cr->left, cr->top, cr->width, cr->height);
+}
+
+static int vdec_vp9_get_param(unsigned long h_vdec,
+		enum vdec_get_param_type type, void *out)
+{
+	struct vdec_vp9_inst *inst = (struct vdec_vp9_inst *)h_vdec;
+	int ret = 0;
+
+	switch (type) {
+	case GET_PARAM_DISP_FRAME_BUFFER:
+		get_disp_fb(inst, out);
+		break;
+	case GET_PARAM_FREE_FRAME_BUFFER:
+		get_free_fb(inst, out);
+		break;
+	case GET_PARAM_PIC_INFO:
+		get_pic_info(inst, out);
+		break;
+	case GET_PARAM_DPB_SIZE:
+		*((unsigned int *)out) = MAX_VP9_DPB_SIZE;
+		break;
+	case GET_PARAM_CROP_INFO:
+		get_crop_info(inst, out);
+		break;
+	default:
+		mtk_vcodec_err(inst, "not supported param type %d", type);
+		ret = -EINVAL;
+		break;
+	}
+
+	return ret;
+}
+
+static struct vdec_common_if vdec_vp9_if = {
+	vdec_vp9_init,
+	vdec_vp9_decode,
+	vdec_vp9_get_param,
+	vdec_vp9_deinit,
+};
+
+struct vdec_common_if *get_vp9_dec_comm_if(void);
+
+struct vdec_common_if *get_vp9_dec_comm_if(void)
+{
+	return &vdec_vp9_if;
+}
diff --git a/drivers/media/platform/mtk-vcodec/vdec_drv_base.h b/drivers/media/platform/mtk-vcodec/vdec_drv_base.h
new file mode 100644
index 000000000000..7e4c1a92bbd8
--- /dev/null
+++ b/drivers/media/platform/mtk-vcodec/vdec_drv_base.h
@@ -0,0 +1,56 @@
+/*
+ * Copyright (c) 2016 MediaTek Inc.
+ * Author: PC Chen <pc.chen@mediatek.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef _VDEC_DRV_BASE_
+#define _VDEC_DRV_BASE_
+
+#include "mtk_vcodec_drv.h"
+
+#include "vdec_drv_if.h"
+
+struct vdec_common_if {
+	/**
+	 * (*init)() - initialize decode driver
+	 * @ctx     : [in] mtk v4l2 context
+	 * @h_vdec  : [out] driver handle
+	 */
+	int (*init)(struct mtk_vcodec_ctx *ctx, unsigned long *h_vdec);
+
+	/**
+	 * (*decode)() - trigger decode
+	 * @h_vdec  : [in] driver handle
+	 * @bs      : [in] input bitstream
+	 * @fb      : [in] frame buffer to store decoded frame
+	 * @res_chg : [out] resolution change happen
+	 */
+	int (*decode)(unsigned long h_vdec, struct mtk_vcodec_mem *bs,
+		      struct vdec_fb *fb, bool *res_chg);
+
+	/**
+	 * (*get_param)() - get driver's parameter
+	 * @h_vdec : [in] driver handle
+	 * @type   : [in] input parameter type
+	 * @out    : [out] buffer to store query result
+	 */
+	int (*get_param)(unsigned long h_vdec, enum vdec_get_param_type type,
+			 void *out);
+
+	/**
+	 * (*deinit)() - deinitialize driver.
+	 * @h_vdec : [in] driver handle to be deinit
+	 */
+	void (*deinit)(unsigned long h_vdec);
+};
+
+#endif
diff --git a/drivers/media/platform/mtk-vcodec/vdec_drv_if.c b/drivers/media/platform/mtk-vcodec/vdec_drv_if.c
new file mode 100644
index 000000000000..5ffc468dd910
--- /dev/null
+++ b/drivers/media/platform/mtk-vcodec/vdec_drv_if.c
@@ -0,0 +1,122 @@
+/*
+ * Copyright (c) 2016 MediaTek Inc.
+ * Author: PC Chen <pc.chen@mediatek.com>
+ *         Tiffany Lin <tiffany.lin@mediatek.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/interrupt.h>
+#include <linux/kernel.h>
+#include <linux/slab.h>
+
+#include "vdec_drv_if.h"
+#include "mtk_vcodec_dec.h"
+#include "vdec_drv_base.h"
+#include "mtk_vcodec_dec_pm.h"
+#include "mtk_vpu.h"
+
+const struct vdec_common_if *get_h264_dec_comm_if(void);
+const struct vdec_common_if *get_vp8_dec_comm_if(void);
+const struct vdec_common_if *get_vp9_dec_comm_if(void);
+
+int vdec_if_init(struct mtk_vcodec_ctx *ctx, unsigned int fourcc)
+{
+	int ret = 0;
+
+	switch (fourcc) {
+	case V4L2_PIX_FMT_H264:
+		ctx->dec_if = get_h264_dec_comm_if();
+		break;
+	case V4L2_PIX_FMT_VP8:
+		ctx->dec_if = get_vp8_dec_comm_if();
+		break;
+	case V4L2_PIX_FMT_VP9:
+		ctx->dec_if = get_vp9_dec_comm_if();
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	mtk_vdec_lock(ctx);
+	mtk_vcodec_dec_clock_on(&ctx->dev->pm);
+	ret = ctx->dec_if->init(ctx, &ctx->drv_handle);
+	mtk_vcodec_dec_clock_off(&ctx->dev->pm);
+	mtk_vdec_unlock(ctx);
+
+	return ret;
+}
+
+int vdec_if_decode(struct mtk_vcodec_ctx *ctx, struct mtk_vcodec_mem *bs,
+		   struct vdec_fb *fb, bool *res_chg)
+{
+	int ret = 0;
+
+	if (bs) {
+		if ((bs->dma_addr & 63) != 0) {
+			mtk_v4l2_err("bs dma_addr should 64 byte align");
+			return -EINVAL;
+		}
+	}
+
+	if (fb) {
+		if (((fb->base_y.dma_addr & 511) != 0) ||
+		    ((fb->base_c.dma_addr & 511) != 0)) {
+			mtk_v4l2_err("frame buffer dma_addr should 512 byte align");
+			return -EINVAL;
+		}
+	}
+
+	if (ctx->drv_handle == 0)
+		return -EIO;
+
+	mtk_vdec_lock(ctx);
+
+	mtk_vcodec_set_curr_ctx(ctx->dev, ctx);
+	mtk_vcodec_dec_clock_on(&ctx->dev->pm);
+	enable_irq(ctx->dev->dec_irq);
+	ret = ctx->dec_if->decode(ctx->drv_handle, bs, fb, res_chg);
+	disable_irq(ctx->dev->dec_irq);
+	mtk_vcodec_dec_clock_off(&ctx->dev->pm);
+	mtk_vcodec_set_curr_ctx(ctx->dev, NULL);
+
+	mtk_vdec_unlock(ctx);
+
+	return ret;
+}
+
+int vdec_if_get_param(struct mtk_vcodec_ctx *ctx, enum vdec_get_param_type type,
+		      void *out)
+{
+	int ret = 0;
+
+	if (ctx->drv_handle == 0)
+		return -EIO;
+
+	mtk_vdec_lock(ctx);
+	ret = ctx->dec_if->get_param(ctx->drv_handle, type, out);
+	mtk_vdec_unlock(ctx);
+
+	return ret;
+}
+
+void vdec_if_deinit(struct mtk_vcodec_ctx *ctx)
+{
+	if (ctx->drv_handle == 0)
+		return;
+
+	mtk_vdec_lock(ctx);
+	mtk_vcodec_dec_clock_on(&ctx->dev->pm);
+	ctx->dec_if->deinit(ctx->drv_handle);
+	mtk_vcodec_dec_clock_off(&ctx->dev->pm);
+	mtk_vdec_unlock(ctx);
+
+	ctx->drv_handle = 0;
+}
diff --git a/drivers/media/platform/mtk-vcodec/vdec_drv_if.h b/drivers/media/platform/mtk-vcodec/vdec_drv_if.h
new file mode 100644
index 000000000000..db6b5205ffb1
--- /dev/null
+++ b/drivers/media/platform/mtk-vcodec/vdec_drv_if.h
@@ -0,0 +1,101 @@
+/*
+ * Copyright (c) 2016 MediaTek Inc.
+ * Author: PC Chen <pc.chen@mediatek.com>
+ *		   Tiffany Lin <tiffany.lin@mediatek.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef _VDEC_DRV_IF_H_
+#define _VDEC_DRV_IF_H_
+
+#include "mtk_vcodec_drv.h"
+#include "mtk_vcodec_dec.h"
+#include "mtk_vcodec_util.h"
+
+
+/**
+ * struct vdec_fb_status  - decoder frame buffer status
+ * @FB_ST_NORMAL	: initial state
+ * @FB_ST_DISPLAY	: frmae buffer is ready to be displayed
+ * @FB_ST_FREE		: frame buffer is not used by decoder any more
+ */
+enum vdec_fb_status {
+	FB_ST_NORMAL		= 0,
+	FB_ST_DISPLAY		= (1 << 0),
+	FB_ST_FREE		= (1 << 1)
+};
+
+/* For GET_PARAM_DISP_FRAME_BUFFER and GET_PARAM_FREE_FRAME_BUFFER,
+ * the caller does not own the returned buffer. The buffer will not be
+ *				released before vdec_if_deinit.
+ * GET_PARAM_DISP_FRAME_BUFFER	: get next displayable frame buffer,
+ *				struct vdec_fb**
+ * GET_PARAM_FREE_FRAME_BUFFER	: get non-referenced framebuffer, vdec_fb**
+ * GET_PARAM_PIC_INFO		: get picture info, struct vdec_pic_info*
+ * GET_PARAM_CROP_INFO		: get crop info, struct v4l2_crop*
+ * GET_PARAM_DPB_SIZE		: get dpb size, unsigned int*
+ */
+enum vdec_get_param_type {
+	GET_PARAM_DISP_FRAME_BUFFER,
+	GET_PARAM_FREE_FRAME_BUFFER,
+	GET_PARAM_PIC_INFO,
+	GET_PARAM_CROP_INFO,
+	GET_PARAM_DPB_SIZE
+};
+
+/**
+ * struct vdec_fb_node  - decoder frame buffer node
+ * @list	: list to hold this node
+ * @fb	: point to frame buffer (vdec_fb), fb could point to frame buffer and
+ *	working buffer this is for maintain buffers in different state
+ */
+struct vdec_fb_node {
+	struct list_head list;
+	struct vdec_fb *fb;
+};
+
+/**
+ * vdec_if_init() - initialize decode driver
+ * @ctx	: [in] v4l2 context
+ * @fourcc	: [in] video format fourcc, V4L2_PIX_FMT_H264/VP8/VP9..
+ */
+int vdec_if_init(struct mtk_vcodec_ctx *ctx, unsigned int fourcc);
+
+/**
+ * vdec_if_deinit() - deinitialize decode driver
+ * @ctx	: [in] v4l2 context
+ *
+ */
+void vdec_if_deinit(struct mtk_vcodec_ctx *ctx);
+
+/**
+ * vdec_if_decode() - trigger decode
+ * @ctx	: [in] v4l2 context
+ * @bs	: [in] input bitstream
+ * @fb	: [in] frame buffer to store decoded frame, when null menas parse
+ *	header only
+ * @res_chg	: [out] resolution change happens if current bs have different
+ *	picture width/height
+ * Note: To flush the decoder when reaching EOF, set input bitstream as NULL.
+ */
+int vdec_if_decode(struct mtk_vcodec_ctx *ctx, struct mtk_vcodec_mem *bs,
+		   struct vdec_fb *fb, bool *res_chg);
+
+/**
+ * vdec_if_get_param() - get driver's parameter
+ * @ctx	: [in] v4l2 context
+ * @type	: [in] input parameter type
+ * @out	: [out] buffer to store query result
+ */
+int vdec_if_get_param(struct mtk_vcodec_ctx *ctx, enum vdec_get_param_type type,
+		      void *out);
+
+#endif
diff --git a/drivers/media/platform/mtk-vcodec/vdec_ipi_msg.h b/drivers/media/platform/mtk-vcodec/vdec_ipi_msg.h
new file mode 100644
index 000000000000..5a8a629f4ac9
--- /dev/null
+++ b/drivers/media/platform/mtk-vcodec/vdec_ipi_msg.h
@@ -0,0 +1,103 @@
+/*
+ * Copyright (c) 2016 MediaTek Inc.
+ * Author: PC Chen <pc.chen@mediatek.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef _VDEC_IPI_MSG_H_
+#define _VDEC_IPI_MSG_H_
+
+/**
+ * enum vdec_ipi_msgid - message id between AP and VPU
+ * @AP_IPIMSG_XXX	: AP to VPU cmd message id
+ * @VPU_IPIMSG_XXX_ACK	: VPU ack AP cmd message id
+ */
+enum vdec_ipi_msgid {
+	AP_IPIMSG_DEC_INIT = 0xA000,
+	AP_IPIMSG_DEC_START = 0xA001,
+	AP_IPIMSG_DEC_END = 0xA002,
+	AP_IPIMSG_DEC_DEINIT = 0xA003,
+	AP_IPIMSG_DEC_RESET = 0xA004,
+
+	VPU_IPIMSG_DEC_INIT_ACK = 0xB000,
+	VPU_IPIMSG_DEC_START_ACK = 0xB001,
+	VPU_IPIMSG_DEC_END_ACK = 0xB002,
+	VPU_IPIMSG_DEC_DEINIT_ACK = 0xB003,
+	VPU_IPIMSG_DEC_RESET_ACK = 0xB004,
+};
+
+/**
+ * struct vdec_ap_ipi_cmd - generic AP to VPU ipi command format
+ * @msg_id	: vdec_ipi_msgid
+ * @vpu_inst_addr	: VPU decoder instance address
+ */
+struct vdec_ap_ipi_cmd {
+	uint32_t msg_id;
+	uint32_t vpu_inst_addr;
+};
+
+/**
+ * struct vdec_vpu_ipi_ack - generic VPU to AP ipi command format
+ * @msg_id	: vdec_ipi_msgid
+ * @status	: VPU exeuction result
+ * @ap_inst_addr	: AP video decoder instance address
+ */
+struct vdec_vpu_ipi_ack {
+	uint32_t msg_id;
+	int32_t status;
+	uint64_t ap_inst_addr;
+};
+
+/**
+ * struct vdec_ap_ipi_init - for AP_IPIMSG_DEC_INIT
+ * @msg_id	: AP_IPIMSG_DEC_INIT
+ * @reserved	: Reserved field
+ * @ap_inst_addr	: AP video decoder instance address
+ */
+struct vdec_ap_ipi_init {
+	uint32_t msg_id;
+	uint32_t reserved;
+	uint64_t ap_inst_addr;
+};
+
+/**
+ * struct vdec_ap_ipi_dec_start - for AP_IPIMSG_DEC_START
+ * @msg_id	: AP_IPIMSG_DEC_START
+ * @vpu_inst_addr	: VPU decoder instance address
+ * @data	: Header info
+ *	H264 decoder [0]:buf_sz [1]:nal_start
+ *	VP8 decoder  [0]:width/height
+ *	VP9 decoder  [0]:profile, [1][2] width/height
+ * @reserved	: Reserved field
+ */
+struct vdec_ap_ipi_dec_start {
+	uint32_t msg_id;
+	uint32_t vpu_inst_addr;
+	uint32_t data[3];
+	uint32_t reserved;
+};
+
+/**
+ * struct vdec_vpu_ipi_init_ack - for VPU_IPIMSG_DEC_INIT_ACK
+ * @msg_id	: VPU_IPIMSG_DEC_INIT_ACK
+ * @status	: VPU exeuction result
+ * @ap_inst_addr	: AP vcodec_vpu_inst instance address
+ * @vpu_inst_addr	: VPU decoder instance address
+ */
+struct vdec_vpu_ipi_init_ack {
+	uint32_t msg_id;
+	int32_t status;
+	uint64_t ap_inst_addr;
+	uint32_t vpu_inst_addr;
+};
+
+#endif
diff --git a/drivers/media/platform/mtk-vcodec/vdec_vpu_if.c b/drivers/media/platform/mtk-vcodec/vdec_vpu_if.c
new file mode 100644
index 000000000000..5a24c51aebb7
--- /dev/null
+++ b/drivers/media/platform/mtk-vcodec/vdec_vpu_if.c
@@ -0,0 +1,170 @@
+/*
+ * Copyright (c) 2016 MediaTek Inc.
+ * Author: PC Chen <pc.chen@mediatek.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include "mtk_vcodec_drv.h"
+#include "mtk_vcodec_util.h"
+#include "vdec_ipi_msg.h"
+#include "vdec_vpu_if.h"
+
+static void handle_init_ack_msg(struct vdec_vpu_ipi_init_ack *msg)
+{
+	struct vdec_vpu_inst *vpu = (struct vdec_vpu_inst *)
+					(unsigned long)msg->ap_inst_addr;
+
+	mtk_vcodec_debug(vpu, "+ ap_inst_addr = 0x%llx", msg->ap_inst_addr);
+
+	/* mapping VPU address to kernel virtual address */
+	/* the content in vsi is initialized to 0 in VPU */
+	vpu->vsi = vpu_mapping_dm_addr(vpu->dev, msg->vpu_inst_addr);
+	vpu->inst_addr = msg->vpu_inst_addr;
+
+	mtk_vcodec_debug(vpu, "- vpu_inst_addr = 0x%x", vpu->inst_addr);
+}
+
+/*
+ * This function runs in interrupt context and it means there's an IPI MSG
+ * from VPU.
+ */
+void vpu_dec_ipi_handler(void *data, unsigned int len, void *priv)
+{
+	struct vdec_vpu_ipi_ack *msg = data;
+	struct vdec_vpu_inst *vpu = (struct vdec_vpu_inst *)
+					(unsigned long)msg->ap_inst_addr;
+
+	mtk_vcodec_debug(vpu, "+ id=%X", msg->msg_id);
+
+	if (msg->status == 0) {
+		switch (msg->msg_id) {
+		case VPU_IPIMSG_DEC_INIT_ACK:
+			handle_init_ack_msg(data);
+			break;
+
+		case VPU_IPIMSG_DEC_START_ACK:
+		case VPU_IPIMSG_DEC_END_ACK:
+		case VPU_IPIMSG_DEC_DEINIT_ACK:
+		case VPU_IPIMSG_DEC_RESET_ACK:
+			break;
+
+		default:
+			mtk_vcodec_err(vpu, "invalid msg=%X", msg->msg_id);
+			break;
+		}
+	}
+
+	mtk_vcodec_debug(vpu, "- id=%X", msg->msg_id);
+	vpu->failure = msg->status;
+	vpu->signaled = 1;
+}
+
+static int vcodec_vpu_send_msg(struct vdec_vpu_inst *vpu, void *msg, int len)
+{
+	int err;
+	uint32_t msg_id = *(uint32_t *)msg;
+
+	mtk_vcodec_debug(vpu, "id=%X", msg_id);
+
+	vpu->failure = 0;
+	vpu->signaled = 0;
+
+	err = vpu_ipi_send(vpu->dev, vpu->id, msg, len);
+	if (err) {
+		mtk_vcodec_err(vpu, "send fail vpu_id=%d msg_id=%X status=%d",
+			       vpu->id, msg_id, err);
+		return err;
+	}
+
+	return vpu->failure;
+}
+
+static int vcodec_send_ap_ipi(struct vdec_vpu_inst *vpu, unsigned int msg_id)
+{
+	struct vdec_ap_ipi_cmd msg;
+	int err = 0;
+
+	mtk_vcodec_debug(vpu, "+ id=%X", msg_id);
+
+	memset(&msg, 0, sizeof(msg));
+	msg.msg_id = msg_id;
+	msg.vpu_inst_addr = vpu->inst_addr;
+
+	err = vcodec_vpu_send_msg(vpu, &msg, sizeof(msg));
+	mtk_vcodec_debug(vpu, "- id=%X ret=%d", msg_id, err);
+	return err;
+}
+
+int vpu_dec_init(struct vdec_vpu_inst *vpu)
+{
+	struct vdec_ap_ipi_init msg;
+	int err;
+
+	mtk_vcodec_debug_enter(vpu);
+
+	init_waitqueue_head(&vpu->wq);
+
+	err = vpu_ipi_register(vpu->dev, vpu->id, vpu->handler, "vdec", NULL);
+	if (err != 0) {
+		mtk_vcodec_err(vpu, "vpu_ipi_register fail status=%d", err);
+		return err;
+	}
+
+	memset(&msg, 0, sizeof(msg));
+	msg.msg_id = AP_IPIMSG_DEC_INIT;
+	msg.ap_inst_addr = (unsigned long)vpu;
+
+	mtk_vcodec_debug(vpu, "vdec_inst=%p", vpu);
+
+	err = vcodec_vpu_send_msg(vpu, (void *)&msg, sizeof(msg));
+	mtk_vcodec_debug(vpu, "- ret=%d", err);
+	return err;
+}
+
+int vpu_dec_start(struct vdec_vpu_inst *vpu, uint32_t *data, unsigned int len)
+{
+	struct vdec_ap_ipi_dec_start msg;
+	int i;
+	int err = 0;
+
+	mtk_vcodec_debug_enter(vpu);
+
+	if (len > ARRAY_SIZE(msg.data)) {
+		mtk_vcodec_err(vpu, "invalid len = %d\n", len);
+		return -EINVAL;
+	}
+
+	memset(&msg, 0, sizeof(msg));
+	msg.msg_id = AP_IPIMSG_DEC_START;
+	msg.vpu_inst_addr = vpu->inst_addr;
+
+	for (i = 0; i < len; i++)
+		msg.data[i] = data[i];
+
+	err = vcodec_vpu_send_msg(vpu, (void *)&msg, sizeof(msg));
+	mtk_vcodec_debug(vpu, "- ret=%d", err);
+	return err;
+}
+
+int vpu_dec_end(struct vdec_vpu_inst *vpu)
+{
+	return vcodec_send_ap_ipi(vpu, AP_IPIMSG_DEC_END);
+}
+
+int vpu_dec_deinit(struct vdec_vpu_inst *vpu)
+{
+	return vcodec_send_ap_ipi(vpu, AP_IPIMSG_DEC_DEINIT);
+}
+
+int vpu_dec_reset(struct vdec_vpu_inst *vpu)
+{
+	return vcodec_send_ap_ipi(vpu, AP_IPIMSG_DEC_RESET);
+}
diff --git a/drivers/media/platform/mtk-vcodec/vdec_vpu_if.h b/drivers/media/platform/mtk-vcodec/vdec_vpu_if.h
new file mode 100644
index 000000000000..0dc9ed01fffe
--- /dev/null
+++ b/drivers/media/platform/mtk-vcodec/vdec_vpu_if.h
@@ -0,0 +1,96 @@
+/*
+ * Copyright (c) 2016 MediaTek Inc.
+ * Author: PC Chen <pc.chen@mediatek.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef _VDEC_VPU_IF_H_
+#define _VDEC_VPU_IF_H_
+
+#include "mtk_vpu.h"
+
+/**
+ * struct vdec_vpu_inst - VPU instance for video codec
+ * @ipi_id      : ipi id for each decoder
+ * @vsi         : driver structure allocated by VPU side and shared to AP side
+ *                for control and info share
+ * @failure     : VPU execution result status, 0: success, others: fail
+ * @inst_addr	: VPU decoder instance address
+ * @signaled    : 1 - Host has received ack message from VPU, 0 - not received
+ * @ctx         : context for v4l2 layer integration
+ * @dev	        : platform device of VPU
+ * @wq          : wait queue to wait VPU message ack
+ * @handler     : ipi handler for each decoder
+ */
+struct vdec_vpu_inst {
+	enum ipi_id id;
+	void *vsi;
+	int32_t failure;
+	uint32_t inst_addr;
+	unsigned int signaled;
+	struct mtk_vcodec_ctx *ctx;
+	struct platform_device *dev;
+	wait_queue_head_t wq;
+	ipi_handler_t handler;
+};
+
+/**
+ * vpu_dec_init - init decoder instance and allocate required resource in VPU.
+ *
+ * @vpu: instance for vdec_vpu_inst
+ */
+int vpu_dec_init(struct vdec_vpu_inst *vpu);
+
+/**
+ * vpu_dec_start - start decoding, basically the function will be invoked once
+ *                 every frame.
+ *
+ * @vpu : instance for vdec_vpu_inst
+ * @data: meta data to pass bitstream info to VPU decoder
+ * @len : meta data length
+ */
+int vpu_dec_start(struct vdec_vpu_inst *vpu, uint32_t *data, unsigned int len);
+
+/**
+ * vpu_dec_end - end decoding, basically the function will be invoked once
+ *               when HW decoding done interrupt received successfully. The
+ *               decoder in VPU will continute to do referene frame management
+ *               and check if there is a new decoded frame available to display.
+ *
+ * @vpu : instance for vdec_vpu_inst
+ */
+int vpu_dec_end(struct vdec_vpu_inst *vpu);
+
+/**
+ * vpu_dec_deinit - deinit decoder instance and resource freed in VPU.
+ *
+ * @vpu: instance for vdec_vpu_inst
+ */
+int vpu_dec_deinit(struct vdec_vpu_inst *vpu);
+
+/**
+ * vpu_dec_reset - reset decoder, use for flush decoder when end of stream or
+ *                 seek. Remainig non displayed frame will be pushed to display.
+ *
+ * @vpu: instance for vdec_vpu_inst
+ */
+int vpu_dec_reset(struct vdec_vpu_inst *vpu);
+
+/**
+ * vpu_dec_ipi_handler - Handler for VPU ipi message.
+ *
+ * @data: ipi message
+ * @len : length of ipi message
+ * @priv: callback private data which is passed by decoder when register.
+ */
+void vpu_dec_ipi_handler(void *data, unsigned int len, void *priv);
+
+#endif
diff --git a/drivers/media/platform/mtk-vpu/mtk_vpu.c b/drivers/media/platform/mtk-vpu/mtk_vpu.c
index c9bf58c97878..463b69c934be 100644
--- a/drivers/media/platform/mtk-vpu/mtk_vpu.c
+++ b/drivers/media/platform/mtk-vpu/mtk_vpu.c
@@ -134,6 +134,8 @@ struct vpu_wdt {
  *
  * @signaled:		the signal of vpu initialization completed
  * @fw_ver:		VPU firmware version
+ * @dec_capability:	decoder capability which is not used for now and
+ *			the value is reserved for future use
  * @enc_capability:	encoder capability which is not used for now and
  *			the value is reserved for future use
  * @wq:			wait queue for VPU initialization status
@@ -141,6 +143,7 @@ struct vpu_wdt {
 struct vpu_run {
 	u32 signaled;
 	char fw_ver[VPU_FW_VER_LEN];
+	unsigned int	dec_capability;
 	unsigned int	enc_capability;
 	wait_queue_head_t wq;
 };
@@ -415,6 +418,14 @@ int vpu_wdt_reg_handler(struct platform_device *pdev,
 }
 EXPORT_SYMBOL_GPL(vpu_wdt_reg_handler);
 
+unsigned int vpu_get_vdec_hw_capa(struct platform_device *pdev)
+{
+	struct mtk_vpu *vpu = platform_get_drvdata(pdev);
+
+	return vpu->run.dec_capability;
+}
+EXPORT_SYMBOL_GPL(vpu_get_vdec_hw_capa);
+
 unsigned int vpu_get_venc_hw_capa(struct platform_device *pdev)
 {
 	struct mtk_vpu *vpu = platform_get_drvdata(pdev);
@@ -523,9 +534,9 @@ static int load_requested_vpu(struct mtk_vpu *vpu,
 
 int vpu_load_firmware(struct platform_device *pdev)
 {
-	struct mtk_vpu *vpu = platform_get_drvdata(pdev);
+	struct mtk_vpu *vpu;
 	struct device *dev = &pdev->dev;
-	struct vpu_run *run = &vpu->run;
+	struct vpu_run *run;
 	const struct firmware *vpu_fw = NULL;
 	int ret;
 
@@ -534,6 +545,9 @@ int vpu_load_firmware(struct platform_device *pdev)
 		return -EINVAL;
 	}
 
+	vpu = platform_get_drvdata(pdev);
+	run = &vpu->run;
+
 	mutex_lock(&vpu->vpu_mutex);
 	if (vpu->fw_loaded) {
 		mutex_unlock(&vpu->vpu_mutex);
@@ -600,6 +614,7 @@ static void vpu_init_ipi_handler(void *data, unsigned int len, void *priv)
 
 	vpu->run.signaled = run->signaled;
 	strncpy(vpu->run.fw_ver, run->fw_ver, VPU_FW_VER_LEN);
+	vpu->run.dec_capability = run->dec_capability;
 	vpu->run.enc_capability = run->enc_capability;
 	wake_up_interruptible(&vpu->run.wq);
 }
@@ -674,7 +689,7 @@ static int vpu_alloc_ext_mem(struct mtk_vpu *vpu, u32 fw_type)
 					       GFP_KERNEL);
 	if (!vpu->extmem[fw_type].va) {
 		dev_err(dev, "Failed to allocate the extended program memory\n");
-		return PTR_ERR(vpu->extmem[fw_type].va);
+		return -ENOMEM;
 	}
 
 	/* Disable extend0. Enable extend1 */
diff --git a/drivers/media/platform/mtk-vpu/mtk_vpu.h b/drivers/media/platform/mtk-vpu/mtk_vpu.h
index 5ab37f04bdfd..aec0268be3d0 100644
--- a/drivers/media/platform/mtk-vpu/mtk_vpu.h
+++ b/drivers/media/platform/mtk-vpu/mtk_vpu.h
@@ -31,23 +31,41 @@ typedef void (*ipi_handler_t) (void *data,
  * enum ipi_id - the id of inter-processor interrupt
  *
  * @IPI_VPU_INIT:	 The interrupt from vpu is to notfiy kernel
-			 VPU initialization completed.
-			 IPI_VPU_INIT is sent from VPU when firmware is
-			 loaded. AP doesn't need to send IPI_VPU_INIT
-			 command to VPU.
-			 For other IPI below, AP should send the request
-			 to VPU to trigger the interrupt.
+ *			 VPU initialization completed.
+ *			 IPI_VPU_INIT is sent from VPU when firmware is
+ *			 loaded. AP doesn't need to send IPI_VPU_INIT
+ *			 command to VPU.
+ *			 For other IPI below, AP should send the request
+ *			 to VPU to trigger the interrupt.
+ * @IPI_VDEC_H264:	 The interrupt from vpu is to notify kernel to
+ *			 handle H264 vidoe decoder job, and vice versa.
+ *			 Decode output format is always MT21 no matter what
+ *			 the input format is.
+ * @IPI_VDEC_VP8:	 The interrupt from is to notify kernel to
+ *			 handle VP8 video decoder job, and vice versa.
+ *			 Decode output format is always MT21 no matter what
+ *			 the input format is.
+ * @IPI_VDEC_VP9:	 The interrupt from vpu is to notify kernel to
+ *			 handle VP9 video decoder job, and vice versa.
+ *			 Decode output format is always MT21 no matter what
+ *			 the input format is.
  * @IPI_VENC_H264:	 The interrupt from vpu is to notify kernel to
-			 handle H264 video encoder job, and vice versa.
+ *			 handle H264 video encoder job, and vice versa.
  * @IPI_VENC_VP8:	 The interrupt fro vpu is to notify kernel to
-			 handle VP8 video encoder job,, and vice versa.
+ *			 handle VP8 video encoder job,, and vice versa.
+ * @IPI_MDP:		 The interrupt from vpu is to notify kernel to
+ *			 handle MDP (Media Data Path) job, and vice versa.
  * @IPI_MAX:		 The maximum IPI number
  */
 
 enum ipi_id {
 	IPI_VPU_INIT = 0,
+	IPI_VDEC_H264,
+	IPI_VDEC_VP8,
+	IPI_VDEC_VP9,
 	IPI_VENC_H264,
 	IPI_VENC_VP8,
+	IPI_MDP,
 	IPI_MAX,
 };
 
@@ -55,10 +73,14 @@ enum ipi_id {
  * enum rst_id - reset id to register reset function for VPU watchdog timeout
  *
  * @VPU_RST_ENC: encoder reset id
+ * @VPU_RST_DEC: decoder reset id
+ * @VPU_RST_MDP: MDP (Media Data Path) reset id
  * @VPU_RST_MAX: maximum reset id
  */
 enum rst_id {
 	VPU_RST_ENC,
+	VPU_RST_DEC,
+	VPU_RST_MDP,
 	VPU_RST_MAX,
 };
 
@@ -125,6 +147,16 @@ struct platform_device *vpu_get_plat_device(struct platform_device *pdev);
 int vpu_wdt_reg_handler(struct platform_device *pdev,
 			void vpu_wdt_reset_func(void *),
 			void *priv, enum rst_id id);
+
+/**
+ * vpu_get_vdec_hw_capa - get video decoder hardware capability
+ *
+ * @pdev:	VPU platform device
+ *
+ * Return: video decoder hardware capability
+ **/
+unsigned int vpu_get_vdec_hw_capa(struct platform_device *pdev);
+
 /**
  * vpu_get_venc_hw_capa - get video encoder hardware capability
  *
diff --git a/drivers/media/platform/mx2_emmaprp.c b/drivers/media/platform/mx2_emmaprp.c
index e68d271b10af..03e47e0f778d 100644
--- a/drivers/media/platform/mx2_emmaprp.c
+++ b/drivers/media/platform/mx2_emmaprp.c
@@ -724,10 +724,10 @@ static int emmaprp_buf_prepare(struct vb2_buffer *vb)
 	q_data = get_q_data(ctx, vb->vb2_queue->type);
 
 	if (vb2_plane_size(vb, 0) < q_data->sizeimage) {
-		dprintk(ctx->dev, "%s data will not fit into plane"
-				  "(%lu < %lu)\n", __func__,
-				  vb2_plane_size(vb, 0),
-				  (long)q_data->sizeimage);
+		dprintk(ctx->dev,
+			"%s data will not fit into plane(%lu < %lu)\n",
+			__func__, vb2_plane_size(vb, 0),
+			(long)q_data->sizeimage);
 		return -EINVAL;
 	}
 
@@ -937,7 +937,7 @@ static int emmaprp_probe(struct platform_device *pdev)
 	snprintf(vfd->name, sizeof(vfd->name), "%s", emmaprp_videodev.name);
 	pcdev->vfd = vfd;
 	v4l2_info(&pcdev->v4l2_dev, EMMAPRP_MODULE_NAME
-			" Device registered as /dev/video%d\n", vfd->num);
+		  " Device registered as /dev/video%d\n", vfd->num);
 
 	platform_set_drvdata(pdev, pcdev);
 
diff --git a/drivers/media/platform/omap/omap_vout.c b/drivers/media/platform/omap/omap_vout.c
index a31b95cb3b09..4d29860d27b4 100644
--- a/drivers/media/platform/omap/omap_vout.c
+++ b/drivers/media/platform/omap/omap_vout.c
@@ -408,8 +408,8 @@ static int omapvid_setup_overlay(struct omap_vout_device *vout,
 	v4l2_dbg(1, debug, &vout->vid_dev->v4l2_dev,
 		"%s enable=%d addr=%pad width=%d\n height=%d color_mode=%d\n"
 		"rotation=%d mirror=%d posx=%d posy=%d out_width = %d \n"
-		"out_height=%d rotation_type=%d screen_width=%d\n",
-		__func__, ovl->is_enabled(ovl), &info.paddr, info.width, info.height,
+		"out_height=%d rotation_type=%d screen_width=%d\n", __func__,
+		ovl->is_enabled(ovl), &info.paddr, info.width, info.height,
 		info.color_mode, info.rotation, info.mirror, info.pos_x,
 		info.pos_y, info.out_width, info.out_height, info.rotation_type,
 		info.screen_width);
@@ -791,7 +791,8 @@ static int omap_vout_buffer_prepare(struct videobuf_queue *q,
 		dma_addr = dma_map_single(vout->vid_dev->v4l2_dev.dev, (void *) addr,
 				size, DMA_TO_DEVICE);
 		if (dma_mapping_error(vout->vid_dev->v4l2_dev.dev, dma_addr))
-			v4l2_err(&vout->vid_dev->v4l2_dev, "dma_map_single failed\n");
+			v4l2_err(&vout->vid_dev->v4l2_dev,
+				 "dma_map_single failed\n");
 
 		vout->queued_buf_addr[vb->i] = (u8 *)vout->buf_phy_addr[vb->i];
 	}
@@ -1657,8 +1658,8 @@ static int vidioc_streamoff(struct file *file, void *fh, enum v4l2_buf_type i)
 	/* Turn of the pipeline */
 	ret = omapvid_apply_changes(vout);
 	if (ret)
-		v4l2_err(&vout->vid_dev->v4l2_dev, "failed to change mode in"
-				" streamoff\n");
+		v4l2_err(&vout->vid_dev->v4l2_dev,
+			 "failed to change mode in streamoff\n");
 
 	INIT_LIST_HEAD(&vout->dma_queue);
 	ret = videobuf_streamoff(&vout->vbq);
@@ -1858,8 +1859,8 @@ static int __init omap_vout_setup_video_data(struct omap_vout_device *vout)
 	vfd = vout->vfd = video_device_alloc();
 
 	if (!vfd) {
-		printk(KERN_ERR VOUT_NAME ": could not allocate"
-				" video device struct\n");
+		printk(KERN_ERR VOUT_NAME
+		       ": could not allocate video device struct\n");
 		v4l2_ctrl_handler_free(hdl);
 		return -ENOMEM;
 	}
@@ -1984,16 +1985,17 @@ static int __init omap_vout_create_video_devices(struct platform_device *pdev)
 		 */
 		vfd = vout->vfd;
 		if (video_register_device(vfd, VFL_TYPE_GRABBER, -1) < 0) {
-			dev_err(&pdev->dev, ": Could not register "
-					"Video for Linux device\n");
+			dev_err(&pdev->dev,
+				": Could not register Video for Linux device\n");
 			vfd->minor = -1;
 			ret = -ENODEV;
 			goto error2;
 		}
 		video_set_drvdata(vfd, vout);
 
-		dev_info(&pdev->dev, ": registered and initialized"
-				" video device %d\n", vfd->minor);
+		dev_info(&pdev->dev,
+			 ": registered and initialized video device %d\n",
+			 vfd->minor);
 		if (k == (pdev->num_resources - 1))
 			return 0;
 
diff --git a/drivers/media/platform/omap/omap_vout_vrfb.c b/drivers/media/platform/omap/omap_vout_vrfb.c
index b8638e4e1627..92c4e1826356 100644
--- a/drivers/media/platform/omap/omap_vout_vrfb.c
+++ b/drivers/media/platform/omap/omap_vout_vrfb.c
@@ -139,8 +139,9 @@ int omap_vout_setup_vrfb_bufs(struct platform_device *pdev, int vid_num,
 			(void *) &vout->vrfb_dma_tx, &vout->vrfb_dma_tx.dma_ch);
 	if (ret < 0) {
 		vout->vrfb_dma_tx.req_status = DMA_CHAN_NOT_ALLOTED;
-		dev_info(&pdev->dev, ": failed to allocate DMA Channel for"
-				" video%d\n", vfd->minor);
+		dev_info(&pdev->dev,
+			 ": failed to allocate DMA Channel for video%d\n",
+			 vfd->minor);
 	}
 	init_waitqueue_head(&vout->vrfb_dma_tx.wait);
 
diff --git a/drivers/media/platform/omap3isp/isp.c b/drivers/media/platform/omap3isp/isp.c
index 0321d84addc7..084ecf4aa9a4 100644
--- a/drivers/media/platform/omap3isp/isp.c
+++ b/drivers/media/platform/omap3isp/isp.c
@@ -480,8 +480,8 @@ void omap3isp_hist_dma_done(struct isp_device *isp)
 	    omap3isp_stat_pcr_busy(&isp->isp_hist)) {
 		/* Histogram cannot be enabled in this frame anymore */
 		atomic_set(&isp->isp_hist.buf_err, 1);
-		dev_dbg(isp->dev, "hist: Out of synchronization with "
-				  "CCDC. Ignoring next buffer.\n");
+		dev_dbg(isp->dev,
+			"hist: Out of synchronization with CCDC. Ignoring next buffer.\n");
 	}
 }
 
@@ -2117,23 +2117,18 @@ static int isp_of_parse_nodes(struct device *dev,
 		struct isp_async_subdev *isd;
 
 		isd = devm_kzalloc(dev, sizeof(*isd), GFP_KERNEL);
-		if (!isd) {
-			of_node_put(node);
-			return -ENOMEM;
-		}
+		if (!isd)
+			goto error;
 
 		notifier->subdevs[notifier->num_subdevs] = &isd->asd;
 
-		if (isp_of_parse_node(dev, node, isd)) {
-			of_node_put(node);
-			return -EINVAL;
-		}
+		if (isp_of_parse_node(dev, node, isd))
+			goto error;
 
 		isd->asd.match.of.node = of_graph_get_remote_port_parent(node);
-		of_node_put(node);
 		if (!isd->asd.match.of.node) {
 			dev_warn(dev, "bad remote port parent\n");
-			return -EINVAL;
+			goto error;
 		}
 
 		isd->asd.match_type = V4L2_ASYNC_MATCH_OF;
@@ -2141,6 +2136,10 @@ static int isp_of_parse_nodes(struct device *dev,
 	}
 
 	return notifier->num_subdevs;
+
+error:
+	of_node_put(node);
+	return -EINVAL;
 }
 
 static int isp_subdev_notifier_bound(struct v4l2_async_notifier *async,
diff --git a/drivers/media/platform/omap3isp/ispccdc.c b/drivers/media/platform/omap3isp/ispccdc.c
index 882310eb45cc..7207558d722c 100644
--- a/drivers/media/platform/omap3isp/ispccdc.c
+++ b/drivers/media/platform/omap3isp/ispccdc.c
@@ -151,8 +151,8 @@ static int ccdc_lsc_validate_config(struct isp_ccdc_device *ccdc,
 	}
 
 	if (lsc_cfg->offset & 3) {
-		dev_dbg(isp->dev, "CCDC: LSC: Offset must be a multiple of "
-			"4\n");
+		dev_dbg(isp->dev,
+			"CCDC: LSC: Offset must be a multiple of 4\n");
 		return -EINVAL;
 	}
 
@@ -416,8 +416,9 @@ static int ccdc_lsc_config(struct isp_ccdc_device *ccdc,
 		return 0;
 
 	if (update != (OMAP3ISP_CCDC_CONFIG_LSC | OMAP3ISP_CCDC_TBL_LSC)) {
-		dev_dbg(to_device(ccdc), "%s: Both LSC configuration and table "
-			"need to be supplied\n", __func__);
+		dev_dbg(to_device(ccdc),
+			"%s: Both LSC configuration and table need to be supplied\n",
+			__func__);
 		return -EINVAL;
 	}
 
diff --git a/drivers/media/platform/omap3isp/ispcsi2.c b/drivers/media/platform/omap3isp/ispcsi2.c
index f75a1be29d84..7dae2fe0d42d 100644
--- a/drivers/media/platform/omap3isp/ispcsi2.c
+++ b/drivers/media/platform/omap3isp/ispcsi2.c
@@ -753,8 +753,8 @@ void omap3isp_csi2_isr(struct isp_csi2_device *csi2)
 						 ISPCSI2_PHY_IRQSTATUS);
 		isp_reg_writel(isp, cpxio1_irqstatus,
 			       csi2->regs1, ISPCSI2_PHY_IRQSTATUS);
-		dev_dbg(isp->dev, "CSI2: ComplexIO Error IRQ "
-			"%x\n", cpxio1_irqstatus);
+		dev_dbg(isp->dev, "CSI2: ComplexIO Error IRQ %x\n",
+			cpxio1_irqstatus);
 		pipe->error = true;
 	}
 
@@ -763,13 +763,8 @@ void omap3isp_csi2_isr(struct isp_csi2_device *csi2)
 			      ISPCSI2_IRQSTATUS_ECC_NO_CORRECTION_IRQ |
 			      ISPCSI2_IRQSTATUS_COMPLEXIO2_ERR_IRQ |
 			      ISPCSI2_IRQSTATUS_FIFO_OVF_IRQ)) {
-		dev_dbg(isp->dev, "CSI2 Err:"
-			" OCP:%d,"
-			" Short_pack:%d,"
-			" ECC:%d,"
-			" CPXIO2:%d,"
-			" FIFO_OVF:%d,"
-			"\n",
+		dev_dbg(isp->dev,
+			"CSI2 Err: OCP:%d, Short_pack:%d, ECC:%d, CPXIO2:%d, FIFO_OVF:%d,\n",
 			(csi2_irqstatus &
 			 ISPCSI2_IRQSTATUS_OCP_ERR_IRQ) ? 1 : 0,
 			(csi2_irqstatus &
diff --git a/drivers/media/platform/omap3isp/ispcsiphy.c b/drivers/media/platform/omap3isp/ispcsiphy.c
index 495447d66cfd..871d4fe09c7f 100644
--- a/drivers/media/platform/omap3isp/ispcsiphy.c
+++ b/drivers/media/platform/omap3isp/ispcsiphy.c
@@ -267,8 +267,8 @@ int omap3isp_csiphy_acquire(struct isp_csiphy *phy)
 	int rval;
 
 	if (phy->vdd == NULL) {
-		dev_err(phy->isp->dev, "Power regulator for CSI PHY not "
-			"available\n");
+		dev_err(phy->isp->dev,
+			"Power regulator for CSI PHY not available\n");
 		return -ENODEV;
 	}
 
diff --git a/drivers/media/platform/omap3isp/isph3a_aewb.c b/drivers/media/platform/omap3isp/isph3a_aewb.c
index ccaf92f39236..d44626f20ac6 100644
--- a/drivers/media/platform/omap3isp/isph3a_aewb.c
+++ b/drivers/media/platform/omap3isp/isph3a_aewb.c
@@ -304,8 +304,8 @@ int omap3isp_h3a_aewb_init(struct isp_device *isp)
 	aewb_recover_cfg = devm_kzalloc(isp->dev, sizeof(*aewb_recover_cfg),
 					GFP_KERNEL);
 	if (!aewb_recover_cfg) {
-		dev_err(aewb->isp->dev, "AEWB: cannot allocate memory for "
-					"recover configuration.\n");
+		dev_err(aewb->isp->dev,
+			"AEWB: cannot allocate memory for recover configuration.\n");
 		return -ENOMEM;
 	}
 
@@ -321,8 +321,8 @@ int omap3isp_h3a_aewb_init(struct isp_device *isp)
 	aewb_recover_cfg->subsample_hor_inc = OMAP3ISP_AEWB_MIN_SUB_INC;
 
 	if (h3a_aewb_validate_params(aewb, aewb_recover_cfg)) {
-		dev_err(aewb->isp->dev, "AEWB: recover configuration is "
-					"invalid.\n");
+		dev_err(aewb->isp->dev,
+			"AEWB: recover configuration is invalid.\n");
 		return -EINVAL;
 	}
 
diff --git a/drivers/media/platform/omap3isp/isph3a_af.c b/drivers/media/platform/omap3isp/isph3a_af.c
index 92937f7eecef..99bd6cc21d86 100644
--- a/drivers/media/platform/omap3isp/isph3a_af.c
+++ b/drivers/media/platform/omap3isp/isph3a_af.c
@@ -367,8 +367,8 @@ int omap3isp_h3a_af_init(struct isp_device *isp)
 	af_recover_cfg = devm_kzalloc(isp->dev, sizeof(*af_recover_cfg),
 				      GFP_KERNEL);
 	if (!af_recover_cfg) {
-		dev_err(af->isp->dev, "AF: cannot allocate memory for recover "
-				      "configuration.\n");
+		dev_err(af->isp->dev,
+			"AF: cannot allocate memory for recover configuration.\n");
 		return -ENOMEM;
 	}
 
@@ -379,8 +379,8 @@ int omap3isp_h3a_af_init(struct isp_device *isp)
 	af_recover_cfg->paxel.v_cnt = OMAP3ISP_AF_PAXEL_VERTICAL_COUNT_MIN;
 	af_recover_cfg->paxel.line_inc = OMAP3ISP_AF_PAXEL_INCREMENT_MIN;
 	if (h3a_af_validate_params(af, af_recover_cfg)) {
-		dev_err(af->isp->dev, "AF: recover configuration is "
-				      "invalid.\n");
+		dev_err(af->isp->dev,
+			"AF: recover configuration is invalid.\n");
 		return -EINVAL;
 	}
 
diff --git a/drivers/media/platform/omap3isp/isphist.c b/drivers/media/platform/omap3isp/isphist.c
index 7138b043a4aa..a4ed5d140d48 100644
--- a/drivers/media/platform/omap3isp/isphist.c
+++ b/drivers/media/platform/omap3isp/isphist.c
@@ -18,7 +18,6 @@
 #include <linux/delay.h>
 #include <linux/device.h>
 #include <linux/dmaengine.h>
-#include <linux/omap-dmaengine.h>
 #include <linux/slab.h>
 #include <linux/uaccess.h>
 
@@ -486,27 +485,30 @@ int omap3isp_hist_init(struct isp_device *isp)
 	hist->isp = isp;
 
 	if (HIST_CONFIG_DMA) {
-		struct platform_device *pdev = to_platform_device(isp->dev);
-		struct resource *res;
-		unsigned int sig = 0;
 		dma_cap_mask_t mask;
 
+		/*
+		 * We need slave capable channel without DMA request line for
+		 * reading out the data.
+		 * For this we can use dma_request_chan_by_mask() as we are
+		 * happy with any channel as long as it is capable of slave
+		 * configuration.
+		 */
 		dma_cap_zero(mask);
 		dma_cap_set(DMA_SLAVE, mask);
+		hist->dma_ch = dma_request_chan_by_mask(&mask);
+		if (IS_ERR(hist->dma_ch)) {
+			ret = PTR_ERR(hist->dma_ch);
+			if (ret == -EPROBE_DEFER)
+				return ret;
 
-		res = platform_get_resource_byname(pdev, IORESOURCE_DMA,
-						   "hist");
-		if (res)
-			sig = res->start;
-
-		hist->dma_ch = dma_request_slave_channel_compat(mask,
-				omap_dma_filter_fn, &sig, isp->dev, "hist");
-		if (!hist->dma_ch)
+			hist->dma_ch = NULL;
 			dev_warn(isp->dev,
 				 "hist: DMA channel request failed, using PIO\n");
-		else
+		} else {
 			dev_dbg(isp->dev, "hist: using DMA channel %s\n",
 				dma_chan_name(hist->dma_ch));
+		}
 	}
 
 	hist->ops = &hist_ops;
diff --git a/drivers/media/platform/omap3isp/ispstat.c b/drivers/media/platform/omap3isp/ispstat.c
index 1b9217d3b1b6..47cbc7e3d825 100644
--- a/drivers/media/platform/omap3isp/ispstat.c
+++ b/drivers/media/platform/omap3isp/ispstat.c
@@ -113,8 +113,9 @@ static int isp_stat_buf_check_magic(struct ispstat *stat,
 			ret = 0;
 
 	if (ret) {
-		dev_dbg(stat->isp->dev, "%s: beginning magic check does not "
-					"match.\n", stat->subdev.name);
+		dev_dbg(stat->isp->dev,
+			"%s: beginning magic check does not match.\n",
+			stat->subdev.name);
 		return ret;
 	}
 
@@ -122,8 +123,9 @@ static int isp_stat_buf_check_magic(struct ispstat *stat,
 	for (w = buf->virt_addr + buf_size, end = w + MAGIC_SIZE;
 	     w < end; w++) {
 		if (unlikely(*w != MAGIC_NUM)) {
-			dev_dbg(stat->isp->dev, "%s: ending magic check does "
-				"not match.\n", stat->subdev.name);
+			dev_dbg(stat->isp->dev,
+				"%s: ending magic check does not match.\n",
+				stat->subdev.name);
 			return -EINVAL;
 		}
 	}
@@ -256,9 +258,9 @@ static void isp_stat_buf_next(struct ispstat *stat)
 {
 	if (unlikely(stat->active_buf))
 		/* Overwriting unused active buffer */
-		dev_dbg(stat->isp->dev, "%s: new buffer requested without "
-					"queuing active one.\n",
-					stat->subdev.name);
+		dev_dbg(stat->isp->dev,
+			"%s: new buffer requested without queuing active one.\n",
+			stat->subdev.name);
 	else
 		stat->active_buf = isp_stat_buf_find_oldest_or_empty(stat);
 }
@@ -292,8 +294,9 @@ static struct ispstat_buffer *isp_stat_buf_get(struct ispstat *stat,
 			return ERR_PTR(-EBUSY);
 		}
 		if (isp_stat_buf_check_magic(stat, buf)) {
-			dev_dbg(stat->isp->dev, "%s: current buffer has "
-				"corrupted data\n.", stat->subdev.name);
+			dev_dbg(stat->isp->dev,
+				"%s: current buffer has corrupted data\n.",
+				stat->subdev.name);
 			/* Mark empty because it doesn't have valid data. */
 			buf->empty = 1;
 		} else {
@@ -307,8 +310,9 @@ static struct ispstat_buffer *isp_stat_buf_get(struct ispstat *stat,
 	spin_unlock_irqrestore(&stat->isp->stat_lock, flags);
 
 	if (buf->buf_size > data->buf_size) {
-		dev_warn(stat->isp->dev, "%s: userspace's buffer size is "
-					 "not enough.\n", stat->subdev.name);
+		dev_warn(stat->isp->dev,
+			 "%s: userspace's buffer size is not enough.\n",
+			 stat->subdev.name);
 		isp_stat_buf_release(stat);
 		return ERR_PTR(-EINVAL);
 	}
@@ -531,20 +535,22 @@ int omap3isp_stat_config(struct ispstat *stat, void *new_conf)
 
 	mutex_lock(&stat->ioctl_lock);
 
-	dev_dbg(stat->isp->dev, "%s: configuring module with buffer "
-		"size=0x%08lx\n", stat->subdev.name, (unsigned long)buf_size);
+	dev_dbg(stat->isp->dev,
+		"%s: configuring module with buffer size=0x%08lx\n",
+		stat->subdev.name, (unsigned long)buf_size);
 
 	ret = stat->ops->validate_params(stat, new_conf);
 	if (ret) {
 		mutex_unlock(&stat->ioctl_lock);
-		dev_dbg(stat->isp->dev, "%s: configuration values are "
-					"invalid.\n", stat->subdev.name);
+		dev_dbg(stat->isp->dev, "%s: configuration values are invalid.\n",
+			stat->subdev.name);
 		return ret;
 	}
 
 	if (buf_size != user_cfg->buf_size)
-		dev_dbg(stat->isp->dev, "%s: driver has corrected buffer size "
-			"request to 0x%08lx\n", stat->subdev.name,
+		dev_dbg(stat->isp->dev,
+			"%s: driver has corrected buffer size request to 0x%08lx\n",
+			stat->subdev.name,
 			(unsigned long)user_cfg->buf_size);
 
 	/*
@@ -595,8 +601,9 @@ int omap3isp_stat_config(struct ispstat *stat, void *new_conf)
 
 	/* Module has a valid configuration. */
 	stat->configured = 1;
-	dev_dbg(stat->isp->dev, "%s: module has been successfully "
-		"configured.\n", stat->subdev.name);
+	dev_dbg(stat->isp->dev,
+		"%s: module has been successfully configured.\n",
+		stat->subdev.name);
 
 	mutex_unlock(&stat->ioctl_lock);
 
@@ -762,8 +769,8 @@ int omap3isp_stat_enable(struct ispstat *stat, u8 enable)
 	if (!stat->configured && enable) {
 		spin_unlock_irqrestore(&stat->isp->stat_lock, irqflags);
 		mutex_unlock(&stat->ioctl_lock);
-		dev_dbg(stat->isp->dev, "%s: cannot enable module as it's "
-			"never been successfully configured so far.\n",
+		dev_dbg(stat->isp->dev,
+			"%s: cannot enable module as it's never been successfully configured so far.\n",
 			stat->subdev.name);
 		return -EINVAL;
 	}
@@ -859,8 +866,8 @@ static void __stat_isr(struct ispstat *stat, int from_dma)
 		if (stat->state == ISPSTAT_ENABLED) {
 			spin_unlock_irqrestore(&stat->isp->stat_lock, irqflags);
 			dev_err(stat->isp->dev,
-				"%s: interrupt occurred when module was still "
-				"processing a buffer.\n", stat->subdev.name);
+				"%s: interrupt occurred when module was still processing a buffer.\n",
+				stat->subdev.name);
 			ret = STAT_NO_BUF;
 			goto out;
 		} else {
@@ -964,8 +971,9 @@ static void __stat_isr(struct ispstat *stat, int from_dma)
 			atomic_set(&stat->buf_err, 1);
 
 		ret = STAT_NO_BUF;
-		dev_dbg(stat->isp->dev, "%s: cannot process buffer, "
-					"device is busy.\n", stat->subdev.name);
+		dev_dbg(stat->isp->dev,
+			"%s: cannot process buffer, device is busy.\n",
+			stat->subdev.name);
 	}
 
 out:
diff --git a/drivers/media/platform/pxa_camera.c b/drivers/media/platform/pxa_camera.c
index c12209c701d3..929006f65cc7 100644
--- a/drivers/media/platform/pxa_camera.c
+++ b/drivers/media/platform/pxa_camera.c
@@ -2125,17 +2125,22 @@ static int pxa_camera_sensor_bound(struct v4l2_async_notifier *notifier,
 				    pix->bytesperline, pix->height);
 	pix->pixelformat = pcdev->current_fmt->host_fmt->fourcc;
 	v4l2_fill_mbus_format(mf, pix, pcdev->current_fmt->code);
-	err = sensor_call(pcdev, pad, set_fmt, NULL, &format);
+
+	err = sensor_call(pcdev, core, s_power, 1);
 	if (err)
 		goto out;
 
+	err = sensor_call(pcdev, pad, set_fmt, NULL, &format);
+	if (err)
+		goto out_sensor_poweroff;
+
 	v4l2_fill_pix_format(pix, mf);
 	pr_info("%s(): colorspace=0x%x pixfmt=0x%x\n",
 		__func__, pix->colorspace, pix->pixelformat);
 
 	err = pxa_camera_init_videobuf2(pcdev);
 	if (err)
-		goto out;
+		goto out_sensor_poweroff;
 
 	err = video_register_device(&pcdev->vdev, VFL_TYPE_GRABBER, -1);
 	if (err) {
@@ -2146,6 +2151,9 @@ static int pxa_camera_sensor_bound(struct v4l2_async_notifier *notifier,
 			 "PXA Camera driver attached to camera %s\n",
 			 subdev->name);
 	}
+
+out_sensor_poweroff:
+	err = sensor_call(pcdev, core, s_power, 0);
 out:
 	mutex_unlock(&pcdev->mlock);
 	return err;
@@ -2347,8 +2355,7 @@ static int pxa_camera_probe(struct platform_device *pdev)
 		 * Platform hasn't set available data widths. This is bad.
 		 * Warn and use a default.
 		 */
-		dev_warn(&pdev->dev, "WARNING! Platform hasn't set available "
-			 "data widths, using default 10 bit\n");
+		dev_warn(&pdev->dev, "WARNING! Platform hasn't set available data widths, using default 10 bit\n");
 		pcdev->platform_flags |= PXA_CAMERA_DATAWIDTH_10;
 	}
 	if (pcdev->platform_flags & PXA_CAMERA_DATAWIDTH_8)
@@ -2359,8 +2366,7 @@ static int pxa_camera_probe(struct platform_device *pdev)
 		pcdev->width_flags |= 1 << 9;
 	if (!pcdev->mclk) {
 		dev_warn(&pdev->dev,
-			 "mclk == 0! Please, fix your platform data. "
-			 "Using default 20MHz\n");
+			 "mclk == 0! Please, fix your platform data. Using default 20MHz\n");
 		pcdev->mclk = 20000000;
 	}
 
diff --git a/drivers/media/platform/rcar-fcp.c b/drivers/media/platform/rcar-fcp.c
index f3a3f31cdfa9..7146fc5ef168 100644
--- a/drivers/media/platform/rcar-fcp.c
+++ b/drivers/media/platform/rcar-fcp.c
@@ -169,6 +169,7 @@ static const struct of_device_id rcar_fcp_of_match[] = {
 	{ .compatible = "renesas,fcpv" },
 	{ },
 };
+MODULE_DEVICE_TABLE(of, rcar_fcp_of_match);
 
 static struct platform_driver rcar_fcp_platform_driver = {
 	.probe		= rcar_fcp_probe,
diff --git a/drivers/media/platform/rcar_fdp1.c b/drivers/media/platform/rcar_fdp1.c
new file mode 100644
index 000000000000..674cc1309b43
--- /dev/null
+++ b/drivers/media/platform/rcar_fdp1.c
@@ -0,0 +1,2445 @@
+/*
+ * Renesas RCar Fine Display Processor
+ *
+ * Video format converter and frame deinterlacer device.
+ *
+ * Author: Kieran Bingham, <kieran@bingham.xyz>
+ * Copyright (c) 2016 Renesas Electronics Corporation.
+ *
+ * This code is developed and inspired from the vim2m, rcar_jpu,
+ * m2m-deinterlace, and vsp1 drivers.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version
+ */
+
+#include <linux/clk.h>
+#include <linux/delay.h>
+#include <linux/dma-mapping.h>
+#include <linux/fs.h>
+#include <linux/interrupt.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
+#include <linux/platform_device.h>
+#include <linux/pm_runtime.h>
+#include <linux/sched.h>
+#include <linux/slab.h>
+#include <linux/timer.h>
+#include <media/rcar-fcp.h>
+#include <media/v4l2-ctrls.h>
+#include <media/v4l2-device.h>
+#include <media/v4l2-event.h>
+#include <media/v4l2-ioctl.h>
+#include <media/v4l2-mem2mem.h>
+#include <media/videobuf2-dma-contig.h>
+
+static unsigned int debug;
+module_param(debug, uint, 0644);
+MODULE_PARM_DESC(debug, "activate debug info");
+
+/* Minimum and maximum frame width/height */
+#define FDP1_MIN_W		80U
+#define FDP1_MIN_H		80U
+
+#define FDP1_MAX_W		3840U
+#define FDP1_MAX_H		2160U
+
+#define FDP1_MAX_PLANES		3U
+#define FDP1_MAX_STRIDE		8190U
+
+/* Flags that indicate a format can be used for capture/output */
+#define FDP1_CAPTURE		BIT(0)
+#define FDP1_OUTPUT		BIT(1)
+
+#define DRIVER_NAME		"rcar_fdp1"
+
+/* Number of Job's to have available on the processing queue */
+#define FDP1_NUMBER_JOBS 8
+
+#define dprintk(fdp1, fmt, arg...) \
+	v4l2_dbg(1, debug, &fdp1->v4l2_dev, "%s: " fmt, __func__, ## arg)
+
+/*
+ * FDP1 registers and bits
+ */
+
+/* FDP1 start register - Imm */
+#define FD1_CTL_CMD			0x0000
+#define FD1_CTL_CMD_STRCMD		BIT(0)
+
+/* Sync generator register - Imm */
+#define FD1_CTL_SGCMD			0x0004
+#define FD1_CTL_SGCMD_SGEN		BIT(0)
+
+/* Register set end register - Imm */
+#define FD1_CTL_REGEND			0x0008
+#define FD1_CTL_REGEND_REGEND		BIT(0)
+
+/* Channel activation register - Vupdt */
+#define FD1_CTL_CHACT			0x000c
+#define FD1_CTL_CHACT_SMW		BIT(9)
+#define FD1_CTL_CHACT_WR		BIT(8)
+#define FD1_CTL_CHACT_SMR		BIT(3)
+#define FD1_CTL_CHACT_RD2		BIT(2)
+#define FD1_CTL_CHACT_RD1		BIT(1)
+#define FD1_CTL_CHACT_RD0		BIT(0)
+
+/* Operation Mode Register - Vupdt */
+#define FD1_CTL_OPMODE			0x0010
+#define FD1_CTL_OPMODE_PRG		BIT(4)
+#define FD1_CTL_OPMODE_VIMD_INTERRUPT	(0 << 0)
+#define FD1_CTL_OPMODE_VIMD_BESTEFFORT	(1 << 0)
+#define FD1_CTL_OPMODE_VIMD_NOINTERRUPT	(2 << 0)
+
+#define FD1_CTL_VPERIOD			0x0014
+#define FD1_CTL_CLKCTRL			0x0018
+#define FD1_CTL_CLKCTRL_CSTP_N		BIT(0)
+
+/* Software reset register */
+#define FD1_CTL_SRESET			0x001c
+#define FD1_CTL_SRESET_SRST		BIT(0)
+
+/* Control status register (V-update-status) */
+#define FD1_CTL_STATUS			0x0024
+#define FD1_CTL_STATUS_VINT_CNT_MASK	GENMASK(31, 16)
+#define FD1_CTL_STATUS_VINT_CNT_SHIFT	16
+#define FD1_CTL_STATUS_SGREGSET		BIT(10)
+#define FD1_CTL_STATUS_SGVERR		BIT(9)
+#define FD1_CTL_STATUS_SGFREND		BIT(8)
+#define FD1_CTL_STATUS_BSY		BIT(0)
+
+#define FD1_CTL_VCYCLE_STAT		0x0028
+
+/* Interrupt enable register */
+#define FD1_CTL_IRQENB			0x0038
+/* Interrupt status register */
+#define FD1_CTL_IRQSTA			0x003c
+/* Interrupt control register */
+#define FD1_CTL_IRQFSET			0x0040
+
+/* Common IRQ Bit settings */
+#define FD1_CTL_IRQ_VERE		BIT(16)
+#define FD1_CTL_IRQ_VINTE		BIT(4)
+#define FD1_CTL_IRQ_FREE		BIT(0)
+#define FD1_CTL_IRQ_MASK		(FD1_CTL_IRQ_VERE | \
+					 FD1_CTL_IRQ_VINTE | \
+					 FD1_CTL_IRQ_FREE)
+
+/* RPF */
+#define FD1_RPF_SIZE			0x0060
+#define FD1_RPF_SIZE_MASK		GENMASK(12, 0)
+#define FD1_RPF_SIZE_H_SHIFT		16
+#define FD1_RPF_SIZE_V_SHIFT		0
+
+#define FD1_RPF_FORMAT			0x0064
+#define FD1_RPF_FORMAT_CIPM		BIT(16)
+#define FD1_RPF_FORMAT_RSPYCS		BIT(13)
+#define FD1_RPF_FORMAT_RSPUVS		BIT(12)
+#define FD1_RPF_FORMAT_CF		BIT(8)
+
+#define FD1_RPF_PSTRIDE			0x0068
+#define FD1_RPF_PSTRIDE_Y_SHIFT		16
+#define FD1_RPF_PSTRIDE_C_SHIFT		0
+
+/* RPF0 Source Component Y Address register */
+#define FD1_RPF0_ADDR_Y			0x006c
+
+/* RPF1 Current Picture Registers */
+#define FD1_RPF1_ADDR_Y			0x0078
+#define FD1_RPF1_ADDR_C0		0x007c
+#define FD1_RPF1_ADDR_C1		0x0080
+
+/* RPF2 next picture register */
+#define FD1_RPF2_ADDR_Y			0x0084
+
+#define FD1_RPF_SMSK_ADDR		0x0090
+#define FD1_RPF_SWAP			0x0094
+
+/* WPF */
+#define FD1_WPF_FORMAT			0x00c0
+#define FD1_WPF_FORMAT_PDV_SHIFT	24
+#define FD1_WPF_FORMAT_FCNL		BIT(20)
+#define FD1_WPF_FORMAT_WSPYCS		BIT(15)
+#define FD1_WPF_FORMAT_WSPUVS		BIT(14)
+#define FD1_WPF_FORMAT_WRTM_601_16	(0 << 9)
+#define FD1_WPF_FORMAT_WRTM_601_0	(1 << 9)
+#define FD1_WPF_FORMAT_WRTM_709_16	(2 << 9)
+#define FD1_WPF_FORMAT_CSC		BIT(8)
+
+#define FD1_WPF_RNDCTL			0x00c4
+#define FD1_WPF_RNDCTL_CBRM		BIT(28)
+#define FD1_WPF_RNDCTL_CLMD_NOCLIP	(0 << 12)
+#define FD1_WPF_RNDCTL_CLMD_CLIP_16_235	(1 << 12)
+#define FD1_WPF_RNDCTL_CLMD_CLIP_1_254	(2 << 12)
+
+#define FD1_WPF_PSTRIDE			0x00c8
+#define FD1_WPF_PSTRIDE_Y_SHIFT		16
+#define FD1_WPF_PSTRIDE_C_SHIFT		0
+
+/* WPF Destination picture */
+#define FD1_WPF_ADDR_Y			0x00cc
+#define FD1_WPF_ADDR_C0			0x00d0
+#define FD1_WPF_ADDR_C1			0x00d4
+#define FD1_WPF_SWAP			0x00d8
+#define FD1_WPF_SWAP_OSWAP_SHIFT	0
+#define FD1_WPF_SWAP_SSWAP_SHIFT	4
+
+/* WPF/RPF Common */
+#define FD1_RWPF_SWAP_BYTE		BIT(0)
+#define FD1_RWPF_SWAP_WORD		BIT(1)
+#define FD1_RWPF_SWAP_LWRD		BIT(2)
+#define FD1_RWPF_SWAP_LLWD		BIT(3)
+
+/* IPC */
+#define FD1_IPC_MODE			0x0100
+#define FD1_IPC_MODE_DLI		BIT(8)
+#define FD1_IPC_MODE_DIM_ADAPT2D3D	(0 << 0)
+#define FD1_IPC_MODE_DIM_FIXED2D	(1 << 0)
+#define FD1_IPC_MODE_DIM_FIXED3D	(2 << 0)
+#define FD1_IPC_MODE_DIM_PREVFIELD	(3 << 0)
+#define FD1_IPC_MODE_DIM_NEXTFIELD	(4 << 0)
+
+#define FD1_IPC_SMSK_THRESH		0x0104
+#define FD1_IPC_SMSK_THRESH_CONST	0x00010002
+
+#define FD1_IPC_COMB_DET		0x0108
+#define FD1_IPC_COMB_DET_CONST		0x00200040
+
+#define FD1_IPC_MOTDEC			0x010c
+#define FD1_IPC_MOTDEC_CONST		0x00008020
+
+/* DLI registers */
+#define FD1_IPC_DLI_BLEND		0x0120
+#define FD1_IPC_DLI_BLEND_CONST		0x0080ff02
+
+#define FD1_IPC_DLI_HGAIN		0x0124
+#define FD1_IPC_DLI_HGAIN_CONST		0x001000ff
+
+#define FD1_IPC_DLI_SPRS		0x0128
+#define FD1_IPC_DLI_SPRS_CONST		0x009004ff
+
+#define FD1_IPC_DLI_ANGLE		0x012c
+#define FD1_IPC_DLI_ANGLE_CONST		0x0004080c
+
+#define FD1_IPC_DLI_ISOPIX0		0x0130
+#define FD1_IPC_DLI_ISOPIX0_CONST	0xff10ff10
+
+#define FD1_IPC_DLI_ISOPIX1		0x0134
+#define FD1_IPC_DLI_ISOPIX1_CONST	0x0000ff10
+
+/* Sensor registers */
+#define FD1_IPC_SENSOR_TH0		0x0140
+#define FD1_IPC_SENSOR_TH0_CONST	0x20208080
+
+#define FD1_IPC_SENSOR_TH1		0x0144
+#define FD1_IPC_SENSOR_TH1_CONST	0
+
+#define FD1_IPC_SENSOR_CTL0		0x0170
+#define FD1_IPC_SENSOR_CTL0_CONST	0x00002201
+
+#define FD1_IPC_SENSOR_CTL1		0x0174
+#define FD1_IPC_SENSOR_CTL1_CONST	0
+
+#define FD1_IPC_SENSOR_CTL2		0x0178
+#define FD1_IPC_SENSOR_CTL2_X_SHIFT	16
+#define FD1_IPC_SENSOR_CTL2_Y_SHIFT	0
+
+#define FD1_IPC_SENSOR_CTL3		0x017c
+#define FD1_IPC_SENSOR_CTL3_0_SHIFT	16
+#define FD1_IPC_SENSOR_CTL3_1_SHIFT	0
+
+/* Line memory pixel number register */
+#define FD1_IPC_LMEM			0x01e0
+#define FD1_IPC_LMEM_LINEAR		1024
+#define FD1_IPC_LMEM_TILE		960
+
+/* Internal Data (HW Version) */
+#define FD1_IP_INTDATA			0x0800
+#define FD1_IP_H3			0x02010101
+#define FD1_IP_M3W			0x02010202
+
+/* LUTs */
+#define FD1_LUT_DIF_ADJ			0x1000
+#define FD1_LUT_SAD_ADJ			0x1400
+#define FD1_LUT_BLD_GAIN		0x1800
+#define FD1_LUT_DIF_GAIN		0x1c00
+#define FD1_LUT_MDET			0x2000
+
+/**
+ * struct fdp1_fmt - The FDP1 internal format data
+ * @fourcc: the fourcc code, to match the V4L2 API
+ * @bpp: bits per pixel per plane
+ * @num_planes: number of planes
+ * @hsub: horizontal subsampling factor
+ * @vsub: vertical subsampling factor
+ * @fmt: 7-bit format code for the fdp1 hardware
+ * @swap_yc: the Y and C components are swapped (Y comes before C)
+ * @swap_uv: the U and V components are swapped (V comes before U)
+ * @swap: swap register control
+ * @types: types of queue this format is applicable to
+ */
+struct fdp1_fmt {
+	u32	fourcc;
+	u8	bpp[3];
+	u8	num_planes;
+	u8	hsub;
+	u8	vsub;
+	u8	fmt;
+	bool	swap_yc;
+	bool	swap_uv;
+	u8	swap;
+	u8	types;
+};
+
+static const struct fdp1_fmt fdp1_formats[] = {
+	/* RGB formats are only supported by the Write Pixel Formatter */
+
+	{ V4L2_PIX_FMT_RGB332, { 8, 0, 0 }, 1, 1, 1, 0x00, false, false,
+	  FD1_RWPF_SWAP_LLWD | FD1_RWPF_SWAP_LWRD |
+	  FD1_RWPF_SWAP_WORD | FD1_RWPF_SWAP_BYTE,
+	  FDP1_CAPTURE },
+	{ V4L2_PIX_FMT_XRGB444, { 16, 0, 0 }, 1, 1, 1, 0x01, false, false,
+	  FD1_RWPF_SWAP_LLWD | FD1_RWPF_SWAP_LWRD |
+	  FD1_RWPF_SWAP_WORD,
+	  FDP1_CAPTURE },
+	{ V4L2_PIX_FMT_XRGB555, { 16, 0, 0 }, 1, 1, 1, 0x04, false, false,
+	  FD1_RWPF_SWAP_LLWD | FD1_RWPF_SWAP_LWRD |
+	  FD1_RWPF_SWAP_WORD,
+	  FDP1_CAPTURE },
+	{ V4L2_PIX_FMT_RGB565, { 16, 0, 0 }, 1, 1, 1, 0x06, false, false,
+	  FD1_RWPF_SWAP_LLWD | FD1_RWPF_SWAP_LWRD |
+	  FD1_RWPF_SWAP_WORD,
+	  FDP1_CAPTURE },
+	{ V4L2_PIX_FMT_ABGR32, { 32, 0, 0 }, 1, 1, 1, 0x13, false, false,
+	  FD1_RWPF_SWAP_LLWD | FD1_RWPF_SWAP_LWRD,
+	  FDP1_CAPTURE },
+	{ V4L2_PIX_FMT_XBGR32, { 32, 0, 0 }, 1, 1, 1, 0x13, false, false,
+	  FD1_RWPF_SWAP_LLWD | FD1_RWPF_SWAP_LWRD,
+	  FDP1_CAPTURE },
+	{ V4L2_PIX_FMT_ARGB32, { 32, 0, 0 }, 1, 1, 1, 0x13, false, false,
+	  FD1_RWPF_SWAP_LLWD | FD1_RWPF_SWAP_LWRD |
+	  FD1_RWPF_SWAP_WORD | FD1_RWPF_SWAP_BYTE,
+	  FDP1_CAPTURE },
+	{ V4L2_PIX_FMT_XRGB32, { 32, 0, 0 }, 1, 1, 1, 0x13, false, false,
+	  FD1_RWPF_SWAP_LLWD | FD1_RWPF_SWAP_LWRD |
+	  FD1_RWPF_SWAP_WORD | FD1_RWPF_SWAP_BYTE,
+	  FDP1_CAPTURE },
+	{ V4L2_PIX_FMT_RGB24, { 24, 0, 0 }, 1, 1, 1, 0x15, false, false,
+	  FD1_RWPF_SWAP_LLWD | FD1_RWPF_SWAP_LWRD |
+	  FD1_RWPF_SWAP_WORD | FD1_RWPF_SWAP_BYTE,
+	  FDP1_CAPTURE },
+	{ V4L2_PIX_FMT_BGR24, { 24, 0, 0 }, 1, 1, 1, 0x18, false, false,
+	  FD1_RWPF_SWAP_LLWD | FD1_RWPF_SWAP_LWRD |
+	  FD1_RWPF_SWAP_WORD | FD1_RWPF_SWAP_BYTE,
+	  FDP1_CAPTURE },
+	{ V4L2_PIX_FMT_ARGB444, { 16, 0, 0 }, 1, 1, 1, 0x19, false, false,
+	  FD1_RWPF_SWAP_LLWD | FD1_RWPF_SWAP_LWRD |
+	  FD1_RWPF_SWAP_WORD,
+	  FDP1_CAPTURE },
+	{ V4L2_PIX_FMT_ARGB555, { 16, 0, 0 }, 1, 1, 1, 0x1b, false, false,
+	  FD1_RWPF_SWAP_LLWD | FD1_RWPF_SWAP_LWRD |
+	  FD1_RWPF_SWAP_WORD,
+	  FDP1_CAPTURE },
+
+	/* YUV Formats are supported by Read and Write Pixel Formatters */
+
+	{ V4L2_PIX_FMT_NV16M, { 8, 16, 0 }, 2, 2, 1, 0x41, false, false,
+	  FD1_RWPF_SWAP_LLWD | FD1_RWPF_SWAP_LWRD |
+	  FD1_RWPF_SWAP_WORD | FD1_RWPF_SWAP_BYTE,
+	  FDP1_CAPTURE | FDP1_OUTPUT },
+	{ V4L2_PIX_FMT_NV61M, { 8, 16, 0 }, 2, 2, 1, 0x41, false, true,
+	  FD1_RWPF_SWAP_LLWD | FD1_RWPF_SWAP_LWRD |
+	  FD1_RWPF_SWAP_WORD | FD1_RWPF_SWAP_BYTE,
+	  FDP1_CAPTURE | FDP1_OUTPUT },
+	{ V4L2_PIX_FMT_NV12M, { 8, 16, 0 }, 2, 2, 2, 0x42, false, false,
+	  FD1_RWPF_SWAP_LLWD | FD1_RWPF_SWAP_LWRD |
+	  FD1_RWPF_SWAP_WORD | FD1_RWPF_SWAP_BYTE,
+	  FDP1_CAPTURE | FDP1_OUTPUT },
+	{ V4L2_PIX_FMT_NV21M, { 8, 16, 0 }, 2, 2, 2, 0x42, false, true,
+	  FD1_RWPF_SWAP_LLWD | FD1_RWPF_SWAP_LWRD |
+	  FD1_RWPF_SWAP_WORD | FD1_RWPF_SWAP_BYTE,
+	  FDP1_CAPTURE | FDP1_OUTPUT },
+	{ V4L2_PIX_FMT_UYVY, { 16, 0, 0 }, 1, 2, 1, 0x47, false, false,
+	  FD1_RWPF_SWAP_LLWD | FD1_RWPF_SWAP_LWRD |
+	  FD1_RWPF_SWAP_WORD | FD1_RWPF_SWAP_BYTE,
+	  FDP1_CAPTURE | FDP1_OUTPUT },
+	{ V4L2_PIX_FMT_VYUY, { 16, 0, 0 }, 1, 2, 1, 0x47, false, true,
+	  FD1_RWPF_SWAP_LLWD | FD1_RWPF_SWAP_LWRD |
+	  FD1_RWPF_SWAP_WORD | FD1_RWPF_SWAP_BYTE,
+	  FDP1_CAPTURE | FDP1_OUTPUT },
+	{ V4L2_PIX_FMT_YUYV, { 16, 0, 0 }, 1, 2, 1, 0x47, true, false,
+	  FD1_RWPF_SWAP_LLWD | FD1_RWPF_SWAP_LWRD |
+	  FD1_RWPF_SWAP_WORD | FD1_RWPF_SWAP_BYTE,
+	  FDP1_CAPTURE | FDP1_OUTPUT },
+	{ V4L2_PIX_FMT_YVYU, { 16, 0, 0 }, 1, 2, 1, 0x47, true, true,
+	  FD1_RWPF_SWAP_LLWD | FD1_RWPF_SWAP_LWRD |
+	  FD1_RWPF_SWAP_WORD | FD1_RWPF_SWAP_BYTE,
+	  FDP1_CAPTURE | FDP1_OUTPUT },
+	{ V4L2_PIX_FMT_YUV444M, { 8, 8, 8 }, 3, 1, 1, 0x4a, false, false,
+	  FD1_RWPF_SWAP_LLWD | FD1_RWPF_SWAP_LWRD |
+	  FD1_RWPF_SWAP_WORD | FD1_RWPF_SWAP_BYTE,
+	  FDP1_CAPTURE | FDP1_OUTPUT },
+	{ V4L2_PIX_FMT_YVU444M, { 8, 8, 8 }, 3, 1, 1, 0x4a, false, true,
+	  FD1_RWPF_SWAP_LLWD | FD1_RWPF_SWAP_LWRD |
+	  FD1_RWPF_SWAP_WORD | FD1_RWPF_SWAP_BYTE,
+	  FDP1_CAPTURE | FDP1_OUTPUT },
+	{ V4L2_PIX_FMT_YUV422M, { 8, 8, 8 }, 3, 2, 1, 0x4b, false, false,
+	  FD1_RWPF_SWAP_LLWD | FD1_RWPF_SWAP_LWRD |
+	  FD1_RWPF_SWAP_WORD | FD1_RWPF_SWAP_BYTE,
+	  FDP1_CAPTURE | FDP1_OUTPUT },
+	{ V4L2_PIX_FMT_YVU422M, { 8, 8, 8 }, 3, 2, 1, 0x4b, false, true,
+	  FD1_RWPF_SWAP_LLWD | FD1_RWPF_SWAP_LWRD |
+	  FD1_RWPF_SWAP_WORD | FD1_RWPF_SWAP_BYTE,
+	  FDP1_CAPTURE | FDP1_OUTPUT },
+	{ V4L2_PIX_FMT_YUV420M, { 8, 8, 8 }, 3, 2, 2, 0x4c, false, false,
+	  FD1_RWPF_SWAP_LLWD | FD1_RWPF_SWAP_LWRD |
+	  FD1_RWPF_SWAP_WORD | FD1_RWPF_SWAP_BYTE,
+	  FDP1_CAPTURE | FDP1_OUTPUT },
+	{ V4L2_PIX_FMT_YVU420M, { 8, 8, 8 }, 3, 2, 2, 0x4c, false, true,
+	  FD1_RWPF_SWAP_LLWD | FD1_RWPF_SWAP_LWRD |
+	  FD1_RWPF_SWAP_WORD | FD1_RWPF_SWAP_BYTE,
+	  FDP1_CAPTURE | FDP1_OUTPUT },
+};
+
+static int fdp1_fmt_is_rgb(const struct fdp1_fmt *fmt)
+{
+	return fmt->fmt <= 0x1b; /* Last RGB code */
+}
+
+/*
+ * FDP1 Lookup tables range from 0...255 only
+ *
+ * Each table must be less than 256 entries, and all tables
+ * are padded out to 256 entries by duplicating the last value.
+ */
+static const u8 fdp1_diff_adj[] = {
+	0x00, 0x24, 0x43, 0x5e, 0x76, 0x8c, 0x9e, 0xaf,
+	0xbd, 0xc9, 0xd4, 0xdd, 0xe4, 0xea, 0xef, 0xf3,
+	0xf6, 0xf9, 0xfb, 0xfc, 0xfd, 0xfe, 0xfe, 0xff,
+};
+
+static const u8 fdp1_sad_adj[] = {
+	0x00, 0x24, 0x43, 0x5e, 0x76, 0x8c, 0x9e, 0xaf,
+	0xbd, 0xc9, 0xd4, 0xdd, 0xe4, 0xea, 0xef, 0xf3,
+	0xf6, 0xf9, 0xfb, 0xfc, 0xfd, 0xfe, 0xfe, 0xff,
+};
+
+static const u8 fdp1_bld_gain[] = {
+	0x80,
+};
+
+static const u8 fdp1_dif_gain[] = {
+	0x80,
+};
+
+static const u8 fdp1_mdet[] = {
+	0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
+	0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
+	0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
+	0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
+	0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27,
+	0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f,
+	0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37,
+	0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,
+	0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47,
+	0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f,
+	0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57,
+	0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f,
+	0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
+	0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f,
+	0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77,
+	0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f,
+	0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87,
+	0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f,
+	0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97,
+	0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f,
+	0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7,
+	0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf,
+	0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7,
+	0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf,
+	0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7,
+	0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf,
+	0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7,
+	0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf,
+	0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7,
+	0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef,
+	0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7,
+	0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff
+};
+
+/* Per-queue, driver-specific private data */
+struct fdp1_q_data {
+	const struct fdp1_fmt		*fmt;
+	struct v4l2_pix_format_mplane	format;
+
+	unsigned int			vsize;
+	unsigned int			stride_y;
+	unsigned int			stride_c;
+};
+
+static const struct fdp1_fmt *fdp1_find_format(u32 pixelformat)
+{
+	const struct fdp1_fmt *fmt;
+	unsigned int i;
+
+	for (i = 0; i < ARRAY_SIZE(fdp1_formats); i++) {
+		fmt = &fdp1_formats[i];
+		if (fmt->fourcc == pixelformat)
+			return fmt;
+	}
+
+	return NULL;
+}
+
+enum fdp1_deint_mode {
+	FDP1_PROGRESSIVE = 0, /* Must be zero when !deinterlacing */
+	FDP1_ADAPT2D3D,
+	FDP1_FIXED2D,
+	FDP1_FIXED3D,
+	FDP1_PREVFIELD,
+	FDP1_NEXTFIELD,
+};
+
+#define FDP1_DEINT_MODE_USES_NEXT(mode) \
+	(mode == FDP1_ADAPT2D3D || \
+	 mode == FDP1_FIXED3D   || \
+	 mode == FDP1_NEXTFIELD)
+
+#define FDP1_DEINT_MODE_USES_PREV(mode) \
+	(mode == FDP1_ADAPT2D3D || \
+	 mode == FDP1_FIXED3D   || \
+	 mode == FDP1_PREVFIELD)
+
+/*
+ * FDP1 operates on potentially 3 fields, which are tracked
+ * from the VB buffers using this context structure.
+ * Will always be a field or a full frame, never two fields.
+ */
+struct fdp1_field_buffer {
+	struct vb2_v4l2_buffer		*vb;
+	dma_addr_t			addrs[3];
+
+	/* Should be NONE:TOP:BOTTOM only */
+	enum v4l2_field			field;
+
+	/* Flag to indicate this is the last field in the vb */
+	bool				last_field;
+
+	/* Buffer queue lists */
+	struct list_head		list;
+};
+
+struct fdp1_buffer {
+	struct v4l2_m2m_buffer		m2m_buf;
+	struct fdp1_field_buffer	fields[2];
+	unsigned int			num_fields;
+};
+
+static inline struct fdp1_buffer *to_fdp1_buffer(struct vb2_v4l2_buffer *vb)
+{
+	return container_of(vb, struct fdp1_buffer, m2m_buf.vb);
+}
+
+struct fdp1_job {
+	struct fdp1_field_buffer	*previous;
+	struct fdp1_field_buffer	*active;
+	struct fdp1_field_buffer	*next;
+	struct fdp1_field_buffer	*dst;
+
+	/* A job can only be on one list at a time */
+	struct list_head		list;
+};
+
+struct fdp1_dev {
+	struct v4l2_device		v4l2_dev;
+	struct video_device		vfd;
+
+	struct mutex			dev_mutex;
+	spinlock_t			irqlock;
+	spinlock_t			device_process_lock;
+
+	void __iomem			*regs;
+	unsigned int			irq;
+	struct device			*dev;
+
+	/* Job Queues */
+	struct fdp1_job			jobs[FDP1_NUMBER_JOBS];
+	struct list_head		free_job_list;
+	struct list_head		queued_job_list;
+	struct list_head		hw_job_list;
+
+	unsigned int			clk_rate;
+
+	struct rcar_fcp_device		*fcp;
+	struct v4l2_m2m_dev		*m2m_dev;
+};
+
+struct fdp1_ctx {
+	struct v4l2_fh			fh;
+	struct fdp1_dev			*fdp1;
+
+	struct v4l2_ctrl_handler	hdl;
+	unsigned int			sequence;
+
+	/* Processed buffers in this transaction */
+	u8				num_processed;
+
+	/* Transaction length (i.e. how many buffers per transaction) */
+	u32				translen;
+
+	/* Abort requested by m2m */
+	int				aborting;
+
+	/* Deinterlace processing mode */
+	enum fdp1_deint_mode		deint_mode;
+
+	/*
+	 * Adaptive 2D/3D mode uses a shared mask
+	 * This is allocated at streamon, if the ADAPT2D3D mode
+	 * is requested
+	 */
+	unsigned int			smsk_size;
+	dma_addr_t			smsk_addr[2];
+	void				*smsk_cpu;
+
+	/* Capture pipeline, can specify an alpha value
+	 * for supported formats. 0-255 only
+	 */
+	unsigned char			alpha;
+
+	/* Source and destination queue data */
+	struct fdp1_q_data		out_q; /* HW Source */
+	struct fdp1_q_data		cap_q; /* HW Destination */
+
+	/*
+	 * Field Queues
+	 * Interlaced fields are used on 3 occasions, and tracked in this list.
+	 *
+	 * V4L2 Buffers are tracked inside the fdp1_buffer
+	 * and released when the last 'field' completes
+	 */
+	struct list_head		fields_queue;
+	unsigned int			buffers_queued;
+
+	/*
+	 * For de-interlacing we need to track our previous buffer
+	 * while preparing our job lists.
+	 */
+	struct fdp1_field_buffer	*previous;
+};
+
+static inline struct fdp1_ctx *fh_to_ctx(struct v4l2_fh *fh)
+{
+	return container_of(fh, struct fdp1_ctx, fh);
+}
+
+static struct fdp1_q_data *get_q_data(struct fdp1_ctx *ctx,
+					 enum v4l2_buf_type type)
+{
+	if (V4L2_TYPE_IS_OUTPUT(type))
+		return &ctx->out_q;
+	else
+		return &ctx->cap_q;
+}
+
+/*
+ * list_remove_job: Take the first item off the specified job list
+ *
+ * Returns: pointer to a job, or NULL if the list is empty.
+ */
+static struct fdp1_job *list_remove_job(struct fdp1_dev *fdp1,
+					 struct list_head *list)
+{
+	struct fdp1_job *job;
+	unsigned long flags;
+
+	spin_lock_irqsave(&fdp1->irqlock, flags);
+	job = list_first_entry_or_null(list, struct fdp1_job, list);
+	if (job)
+		list_del(&job->list);
+	spin_unlock_irqrestore(&fdp1->irqlock, flags);
+
+	return job;
+}
+
+/*
+ * list_add_job: Add a job to the specified job list
+ *
+ * Returns: void - always succeeds
+ */
+static void list_add_job(struct fdp1_dev *fdp1,
+			 struct list_head *list,
+			 struct fdp1_job *job)
+{
+	unsigned long flags;
+
+	spin_lock_irqsave(&fdp1->irqlock, flags);
+	list_add_tail(&job->list, list);
+	spin_unlock_irqrestore(&fdp1->irqlock, flags);
+}
+
+static struct fdp1_job *fdp1_job_alloc(struct fdp1_dev *fdp1)
+{
+	return list_remove_job(fdp1, &fdp1->free_job_list);
+}
+
+static void fdp1_job_free(struct fdp1_dev *fdp1, struct fdp1_job *job)
+{
+	/* Ensure that all residue from previous jobs is gone */
+	memset(job, 0, sizeof(struct fdp1_job));
+
+	list_add_job(fdp1, &fdp1->free_job_list, job);
+}
+
+static void queue_job(struct fdp1_dev *fdp1, struct fdp1_job *job)
+{
+	list_add_job(fdp1, &fdp1->queued_job_list, job);
+}
+
+static struct fdp1_job *get_queued_job(struct fdp1_dev *fdp1)
+{
+	return list_remove_job(fdp1, &fdp1->queued_job_list);
+}
+
+static void queue_hw_job(struct fdp1_dev *fdp1, struct fdp1_job *job)
+{
+	list_add_job(fdp1, &fdp1->hw_job_list, job);
+}
+
+static struct fdp1_job *get_hw_queued_job(struct fdp1_dev *fdp1)
+{
+	return list_remove_job(fdp1, &fdp1->hw_job_list);
+}
+
+/*
+ * Buffer lists handling
+ */
+static void fdp1_field_complete(struct fdp1_ctx *ctx,
+				struct fdp1_field_buffer *fbuf)
+{
+	/* job->previous may be on the first field */
+	if (!fbuf)
+		return;
+
+	if (fbuf->last_field)
+		v4l2_m2m_buf_done(fbuf->vb, VB2_BUF_STATE_DONE);
+}
+
+static void fdp1_queue_field(struct fdp1_ctx *ctx,
+			     struct fdp1_field_buffer *fbuf)
+{
+	unsigned long flags;
+
+	spin_lock_irqsave(&ctx->fdp1->irqlock, flags);
+	list_add_tail(&fbuf->list, &ctx->fields_queue);
+	spin_unlock_irqrestore(&ctx->fdp1->irqlock, flags);
+
+	ctx->buffers_queued++;
+}
+
+static struct fdp1_field_buffer *fdp1_dequeue_field(struct fdp1_ctx *ctx)
+{
+	struct fdp1_field_buffer *fbuf;
+	unsigned long flags;
+
+	ctx->buffers_queued--;
+
+	spin_lock_irqsave(&ctx->fdp1->irqlock, flags);
+	fbuf = list_first_entry_or_null(&ctx->fields_queue,
+					struct fdp1_field_buffer, list);
+	if (fbuf)
+		list_del(&fbuf->list);
+	spin_unlock_irqrestore(&ctx->fdp1->irqlock, flags);
+
+	return fbuf;
+}
+
+/*
+ * Return the next field in the queue - or NULL,
+ * without removing the item from the list
+ */
+static struct fdp1_field_buffer *fdp1_peek_queued_field(struct fdp1_ctx *ctx)
+{
+	struct fdp1_field_buffer *fbuf;
+	unsigned long flags;
+
+	spin_lock_irqsave(&ctx->fdp1->irqlock, flags);
+	fbuf = list_first_entry_or_null(&ctx->fields_queue,
+					struct fdp1_field_buffer, list);
+	spin_unlock_irqrestore(&ctx->fdp1->irqlock, flags);
+
+	return fbuf;
+}
+
+static u32 fdp1_read(struct fdp1_dev *fdp1, unsigned int reg)
+{
+	u32 value = ioread32(fdp1->regs + reg);
+
+	if (debug >= 2)
+		dprintk(fdp1, "Read 0x%08x from 0x%04x\n", value, reg);
+
+	return value;
+}
+
+static void fdp1_write(struct fdp1_dev *fdp1, u32 val, unsigned int reg)
+{
+	if (debug >= 2)
+		dprintk(fdp1, "Write 0x%08x to 0x%04x\n", val, reg);
+
+	iowrite32(val, fdp1->regs + reg);
+}
+
+/* IPC registers are to be programmed with constant values */
+static void fdp1_set_ipc_dli(struct fdp1_ctx *ctx)
+{
+	struct fdp1_dev *fdp1 = ctx->fdp1;
+
+	fdp1_write(fdp1, FD1_IPC_SMSK_THRESH_CONST,	FD1_IPC_SMSK_THRESH);
+	fdp1_write(fdp1, FD1_IPC_COMB_DET_CONST,	FD1_IPC_COMB_DET);
+	fdp1_write(fdp1, FD1_IPC_MOTDEC_CONST,	FD1_IPC_MOTDEC);
+
+	fdp1_write(fdp1, FD1_IPC_DLI_BLEND_CONST,	FD1_IPC_DLI_BLEND);
+	fdp1_write(fdp1, FD1_IPC_DLI_HGAIN_CONST,	FD1_IPC_DLI_HGAIN);
+	fdp1_write(fdp1, FD1_IPC_DLI_SPRS_CONST,	FD1_IPC_DLI_SPRS);
+	fdp1_write(fdp1, FD1_IPC_DLI_ANGLE_CONST,	FD1_IPC_DLI_ANGLE);
+	fdp1_write(fdp1, FD1_IPC_DLI_ISOPIX0_CONST,	FD1_IPC_DLI_ISOPIX0);
+	fdp1_write(fdp1, FD1_IPC_DLI_ISOPIX1_CONST,	FD1_IPC_DLI_ISOPIX1);
+}
+
+
+static void fdp1_set_ipc_sensor(struct fdp1_ctx *ctx)
+{
+	struct fdp1_dev *fdp1 = ctx->fdp1;
+	struct fdp1_q_data *src_q_data = &ctx->out_q;
+	unsigned int x0, x1;
+	unsigned int hsize = src_q_data->format.width;
+	unsigned int vsize = src_q_data->format.height;
+
+	x0 = hsize / 3;
+	x1 = 2 * hsize / 3;
+
+	fdp1_write(fdp1, FD1_IPC_SENSOR_TH0_CONST, FD1_IPC_SENSOR_TH0);
+	fdp1_write(fdp1, FD1_IPC_SENSOR_TH1_CONST, FD1_IPC_SENSOR_TH1);
+	fdp1_write(fdp1, FD1_IPC_SENSOR_CTL0_CONST, FD1_IPC_SENSOR_CTL0);
+	fdp1_write(fdp1, FD1_IPC_SENSOR_CTL1_CONST, FD1_IPC_SENSOR_CTL1);
+
+	fdp1_write(fdp1, ((hsize - 1) << FD1_IPC_SENSOR_CTL2_X_SHIFT) |
+			 ((vsize - 1) << FD1_IPC_SENSOR_CTL2_Y_SHIFT),
+			 FD1_IPC_SENSOR_CTL2);
+
+	fdp1_write(fdp1, (x0 << FD1_IPC_SENSOR_CTL3_0_SHIFT) |
+			 (x1 << FD1_IPC_SENSOR_CTL3_1_SHIFT),
+			 FD1_IPC_SENSOR_CTL3);
+}
+
+/*
+ * fdp1_write_lut: Write a padded LUT to the hw
+ *
+ * FDP1 uses constant data for de-interlacing processing,
+ * with large tables. These hardware tables are all 256 bytes
+ * long, however they often contain repeated data at the end.
+ *
+ * The last byte of the table is written to all remaining entries.
+ */
+static void fdp1_write_lut(struct fdp1_dev *fdp1, const u8 *lut,
+			   unsigned int len, unsigned int base)
+{
+	unsigned int i;
+	u8 pad;
+
+	/* Tables larger than the hw are clipped */
+	len = min(len, 256u);
+
+	for (i = 0; i < len; i++)
+		fdp1_write(fdp1, lut[i], base + (i*4));
+
+	/* Tables are padded with the last entry */
+	pad = lut[i-1];
+
+	for (; i < 256; i++)
+		fdp1_write(fdp1, pad, base + (i*4));
+}
+
+static void fdp1_set_lut(struct fdp1_dev *fdp1)
+{
+	fdp1_write_lut(fdp1, fdp1_diff_adj, ARRAY_SIZE(fdp1_diff_adj),
+			FD1_LUT_DIF_ADJ);
+	fdp1_write_lut(fdp1, fdp1_sad_adj,  ARRAY_SIZE(fdp1_sad_adj),
+			FD1_LUT_SAD_ADJ);
+	fdp1_write_lut(fdp1, fdp1_bld_gain, ARRAY_SIZE(fdp1_bld_gain),
+			FD1_LUT_BLD_GAIN);
+	fdp1_write_lut(fdp1, fdp1_dif_gain, ARRAY_SIZE(fdp1_dif_gain),
+			FD1_LUT_DIF_GAIN);
+	fdp1_write_lut(fdp1, fdp1_mdet, ARRAY_SIZE(fdp1_mdet),
+			FD1_LUT_MDET);
+}
+
+static void fdp1_configure_rpf(struct fdp1_ctx *ctx,
+			       struct fdp1_job *job)
+{
+	struct fdp1_dev *fdp1 = ctx->fdp1;
+	u32 picture_size;
+	u32 pstride;
+	u32 format;
+	u32 smsk_addr;
+
+	struct fdp1_q_data *q_data = &ctx->out_q;
+
+	/* Picture size is common to Source and Destination frames */
+	picture_size = (q_data->format.width << FD1_RPF_SIZE_H_SHIFT)
+		     | (q_data->vsize << FD1_RPF_SIZE_V_SHIFT);
+
+	/* Strides */
+	pstride = q_data->stride_y << FD1_RPF_PSTRIDE_Y_SHIFT;
+	if (q_data->format.num_planes > 1)
+		pstride |= q_data->stride_c << FD1_RPF_PSTRIDE_C_SHIFT;
+
+	/* Format control */
+	format = q_data->fmt->fmt;
+	if (q_data->fmt->swap_yc)
+		format |= FD1_RPF_FORMAT_RSPYCS;
+
+	if (q_data->fmt->swap_uv)
+		format |= FD1_RPF_FORMAT_RSPUVS;
+
+	if (job->active->field == V4L2_FIELD_BOTTOM) {
+		format |= FD1_RPF_FORMAT_CF; /* Set for Bottom field */
+		smsk_addr = ctx->smsk_addr[0];
+	} else {
+		smsk_addr = ctx->smsk_addr[1];
+	}
+
+	/* Deint mode is non-zero when deinterlacing */
+	if (ctx->deint_mode)
+		format |= FD1_RPF_FORMAT_CIPM;
+
+	fdp1_write(fdp1, format, FD1_RPF_FORMAT);
+	fdp1_write(fdp1, q_data->fmt->swap, FD1_RPF_SWAP);
+	fdp1_write(fdp1, picture_size, FD1_RPF_SIZE);
+	fdp1_write(fdp1, pstride, FD1_RPF_PSTRIDE);
+	fdp1_write(fdp1, smsk_addr, FD1_RPF_SMSK_ADDR);
+
+	/* Previous Field Channel (CH0) */
+	if (job->previous)
+		fdp1_write(fdp1, job->previous->addrs[0], FD1_RPF0_ADDR_Y);
+
+	/* Current Field Channel (CH1) */
+	fdp1_write(fdp1, job->active->addrs[0], FD1_RPF1_ADDR_Y);
+	fdp1_write(fdp1, job->active->addrs[1], FD1_RPF1_ADDR_C0);
+	fdp1_write(fdp1, job->active->addrs[2], FD1_RPF1_ADDR_C1);
+
+	/* Next Field  Channel (CH2) */
+	if (job->next)
+		fdp1_write(fdp1, job->next->addrs[0], FD1_RPF2_ADDR_Y);
+}
+
+static void fdp1_configure_wpf(struct fdp1_ctx *ctx,
+			       struct fdp1_job *job)
+{
+	struct fdp1_dev *fdp1 = ctx->fdp1;
+	struct fdp1_q_data *src_q_data = &ctx->out_q;
+	struct fdp1_q_data *q_data = &ctx->cap_q;
+	u32 pstride;
+	u32 format;
+	u32 swap;
+	u32 rndctl;
+
+	pstride = q_data->format.plane_fmt[0].bytesperline
+			<< FD1_WPF_PSTRIDE_Y_SHIFT;
+
+	if (q_data->format.num_planes > 1)
+		pstride |= q_data->format.plane_fmt[1].bytesperline
+			<< FD1_WPF_PSTRIDE_C_SHIFT;
+
+	format = q_data->fmt->fmt; /* Output Format Code */
+
+	if (q_data->fmt->swap_yc)
+		format |= FD1_WPF_FORMAT_WSPYCS;
+
+	if (q_data->fmt->swap_uv)
+		format |= FD1_WPF_FORMAT_WSPUVS;
+
+	if (fdp1_fmt_is_rgb(q_data->fmt)) {
+		/* Enable Colour Space conversion */
+		format |= FD1_WPF_FORMAT_CSC;
+
+		/* Set WRTM */
+		if (src_q_data->format.ycbcr_enc == V4L2_YCBCR_ENC_709)
+			format |= FD1_WPF_FORMAT_WRTM_709_16;
+		else if (src_q_data->format.quantization ==
+				V4L2_QUANTIZATION_FULL_RANGE)
+			format |= FD1_WPF_FORMAT_WRTM_601_0;
+		else
+			format |= FD1_WPF_FORMAT_WRTM_601_16;
+	}
+
+	/* Set an alpha value into the Pad Value */
+	format |= ctx->alpha << FD1_WPF_FORMAT_PDV_SHIFT;
+
+	/* Determine picture rounding and clipping */
+	rndctl = FD1_WPF_RNDCTL_CBRM; /* Rounding Off */
+	rndctl |= FD1_WPF_RNDCTL_CLMD_NOCLIP;
+
+	/* WPF Swap needs both ISWAP and OSWAP setting */
+	swap = q_data->fmt->swap << FD1_WPF_SWAP_OSWAP_SHIFT;
+	swap |= src_q_data->fmt->swap << FD1_WPF_SWAP_SSWAP_SHIFT;
+
+	fdp1_write(fdp1, format, FD1_WPF_FORMAT);
+	fdp1_write(fdp1, rndctl, FD1_WPF_RNDCTL);
+	fdp1_write(fdp1, swap, FD1_WPF_SWAP);
+	fdp1_write(fdp1, pstride, FD1_WPF_PSTRIDE);
+
+	fdp1_write(fdp1, job->dst->addrs[0], FD1_WPF_ADDR_Y);
+	fdp1_write(fdp1, job->dst->addrs[1], FD1_WPF_ADDR_C0);
+	fdp1_write(fdp1, job->dst->addrs[2], FD1_WPF_ADDR_C1);
+}
+
+static void fdp1_configure_deint_mode(struct fdp1_ctx *ctx,
+				      struct fdp1_job *job)
+{
+	struct fdp1_dev *fdp1 = ctx->fdp1;
+	u32 opmode = FD1_CTL_OPMODE_VIMD_NOINTERRUPT;
+	u32 ipcmode = FD1_IPC_MODE_DLI; /* Always set */
+	u32 channels = FD1_CTL_CHACT_WR | FD1_CTL_CHACT_RD1; /* Always on */
+
+	/* De-interlacing Mode */
+	switch (ctx->deint_mode) {
+	default:
+	case FDP1_PROGRESSIVE:
+		dprintk(fdp1, "Progressive Mode\n");
+		opmode |= FD1_CTL_OPMODE_PRG;
+		ipcmode |= FD1_IPC_MODE_DIM_FIXED2D;
+		break;
+	case FDP1_ADAPT2D3D:
+		dprintk(fdp1, "Adapt2D3D Mode\n");
+		if (ctx->sequence == 0 || ctx->aborting)
+			ipcmode |= FD1_IPC_MODE_DIM_FIXED2D;
+		else
+			ipcmode |= FD1_IPC_MODE_DIM_ADAPT2D3D;
+
+		if (ctx->sequence > 1) {
+			channels |= FD1_CTL_CHACT_SMW;
+			channels |= FD1_CTL_CHACT_RD0 | FD1_CTL_CHACT_RD2;
+		}
+
+		if (ctx->sequence > 2)
+			channels |= FD1_CTL_CHACT_SMR;
+
+		break;
+	case FDP1_FIXED3D:
+		dprintk(fdp1, "Fixed 3D Mode\n");
+		ipcmode |= FD1_IPC_MODE_DIM_FIXED3D;
+		/* Except for first and last frame, enable all channels */
+		if (!(ctx->sequence == 0 || ctx->aborting))
+			channels |= FD1_CTL_CHACT_RD0 | FD1_CTL_CHACT_RD2;
+		break;
+	case FDP1_FIXED2D:
+		dprintk(fdp1, "Fixed 2D Mode\n");
+		ipcmode |= FD1_IPC_MODE_DIM_FIXED2D;
+		/* No extra channels enabled */
+		break;
+	case FDP1_PREVFIELD:
+		dprintk(fdp1, "Previous Field Mode\n");
+		ipcmode |= FD1_IPC_MODE_DIM_PREVFIELD;
+		channels |= FD1_CTL_CHACT_RD0; /* Previous */
+		break;
+	case FDP1_NEXTFIELD:
+		dprintk(fdp1, "Next Field Mode\n");
+		ipcmode |= FD1_IPC_MODE_DIM_NEXTFIELD;
+		channels |= FD1_CTL_CHACT_RD2; /* Next */
+		break;
+	}
+
+	fdp1_write(fdp1, channels,	FD1_CTL_CHACT);
+	fdp1_write(fdp1, opmode,	FD1_CTL_OPMODE);
+	fdp1_write(fdp1, ipcmode,	FD1_IPC_MODE);
+}
+
+/*
+ * fdp1_device_process() - Run the hardware
+ *
+ * Configure and start the hardware to generate a single frame
+ * of output given our input parameters.
+ */
+static int fdp1_device_process(struct fdp1_ctx *ctx)
+
+{
+	struct fdp1_dev *fdp1 = ctx->fdp1;
+	struct fdp1_job *job;
+	unsigned long flags;
+
+	spin_lock_irqsave(&fdp1->device_process_lock, flags);
+
+	/* Get a job to process */
+	job = get_queued_job(fdp1);
+	if (!job) {
+		/*
+		 * VINT can call us to see if we can queue another job.
+		 * If we have no work to do, we simply return.
+		 */
+		spin_unlock_irqrestore(&fdp1->device_process_lock, flags);
+		return 0;
+	}
+
+	/* First Frame only? ... */
+	fdp1_write(fdp1, FD1_CTL_CLKCTRL_CSTP_N, FD1_CTL_CLKCTRL);
+
+	/* Set the mode, and configuration */
+	fdp1_configure_deint_mode(ctx, job);
+
+	/* DLI Static Configuration */
+	fdp1_set_ipc_dli(ctx);
+
+	/* Sensor Configuration */
+	fdp1_set_ipc_sensor(ctx);
+
+	/* Setup the source picture */
+	fdp1_configure_rpf(ctx, job);
+
+	/* Setup the destination picture */
+	fdp1_configure_wpf(ctx, job);
+
+	/* Line Memory Pixel Number Register for linear access */
+	fdp1_write(fdp1, FD1_IPC_LMEM_LINEAR, FD1_IPC_LMEM);
+
+	/* Enable Interrupts */
+	fdp1_write(fdp1, FD1_CTL_IRQ_MASK, FD1_CTL_IRQENB);
+
+	/* Finally, the Immediate Registers */
+
+	/* This job is now in the HW queue */
+	queue_hw_job(fdp1, job);
+
+	/* Start the command */
+	fdp1_write(fdp1, FD1_CTL_CMD_STRCMD, FD1_CTL_CMD);
+
+	/* Registers will update to HW at next VINT */
+	fdp1_write(fdp1, FD1_CTL_REGEND_REGEND, FD1_CTL_REGEND);
+
+	/* Enable VINT Generator */
+	fdp1_write(fdp1, FD1_CTL_SGCMD_SGEN, FD1_CTL_SGCMD);
+
+	spin_unlock_irqrestore(&fdp1->device_process_lock, flags);
+
+	return 0;
+}
+
+/*
+ * mem2mem callbacks
+ */
+
+/**
+ * job_ready() - check whether an instance is ready to be scheduled to run
+ */
+static int fdp1_m2m_job_ready(void *priv)
+{
+	struct fdp1_ctx *ctx = priv;
+	struct fdp1_q_data *src_q_data = &ctx->out_q;
+	int srcbufs = 1;
+	int dstbufs = 1;
+
+	dprintk(ctx->fdp1, "+ Src: %d : Dst: %d\n",
+			v4l2_m2m_num_src_bufs_ready(ctx->fh.m2m_ctx),
+			v4l2_m2m_num_dst_bufs_ready(ctx->fh.m2m_ctx));
+
+	/* One output buffer is required for each field */
+	if (V4L2_FIELD_HAS_BOTH(src_q_data->format.field))
+		dstbufs = 2;
+
+	if (v4l2_m2m_num_src_bufs_ready(ctx->fh.m2m_ctx) < srcbufs
+	    || v4l2_m2m_num_dst_bufs_ready(ctx->fh.m2m_ctx) < dstbufs) {
+		dprintk(ctx->fdp1, "Not enough buffers available\n");
+		return 0;
+	}
+
+	return 1;
+}
+
+static void fdp1_m2m_job_abort(void *priv)
+{
+	struct fdp1_ctx *ctx = priv;
+
+	dprintk(ctx->fdp1, "+\n");
+
+	/* Will cancel the transaction in the next interrupt handler */
+	ctx->aborting = 1;
+
+	/* Immediate abort sequence */
+	fdp1_write(ctx->fdp1, 0, FD1_CTL_SGCMD);
+	fdp1_write(ctx->fdp1, FD1_CTL_SRESET_SRST, FD1_CTL_SRESET);
+}
+
+/*
+ * fdp1_prepare_job: Prepare and queue a new job for a single action of work
+ *
+ * Prepare the next field, (or frame in progressive) and an output
+ * buffer for the hardware to perform a single operation.
+ */
+static struct fdp1_job *fdp1_prepare_job(struct fdp1_ctx *ctx)
+{
+	struct vb2_v4l2_buffer *vbuf;
+	struct fdp1_buffer *fbuf;
+	struct fdp1_dev *fdp1 = ctx->fdp1;
+	struct fdp1_job *job;
+	unsigned int buffers_required = 1;
+
+	dprintk(fdp1, "+\n");
+
+	if (FDP1_DEINT_MODE_USES_NEXT(ctx->deint_mode))
+		buffers_required = 2;
+
+	if (ctx->buffers_queued < buffers_required)
+		return NULL;
+
+	job = fdp1_job_alloc(fdp1);
+	if (!job) {
+		dprintk(fdp1, "No free jobs currently available\n");
+		return NULL;
+	}
+
+	job->active = fdp1_dequeue_field(ctx);
+	if (!job->active) {
+		/* Buffer check should prevent this ever happening */
+		dprintk(fdp1, "No input buffers currently available\n");
+
+		fdp1_job_free(fdp1, job);
+		return NULL;
+	}
+
+	dprintk(fdp1, "+ Buffer en-route...\n");
+
+	/* Source buffers have been prepared on our buffer_queue
+	 * Prepare our Output buffer
+	 */
+	vbuf = v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx);
+	fbuf = to_fdp1_buffer(vbuf);
+	job->dst = &fbuf->fields[0];
+
+	job->active->vb->sequence = ctx->sequence;
+	job->dst->vb->sequence = ctx->sequence;
+	ctx->sequence++;
+
+	if (FDP1_DEINT_MODE_USES_PREV(ctx->deint_mode)) {
+		job->previous = ctx->previous;
+
+		/* Active buffer becomes the next job's previous buffer */
+		ctx->previous = job->active;
+	}
+
+	if (FDP1_DEINT_MODE_USES_NEXT(ctx->deint_mode)) {
+		/* Must be called after 'active' is dequeued */
+		job->next = fdp1_peek_queued_field(ctx);
+	}
+
+	/* Transfer timestamps and flags from src->dst */
+
+	job->dst->vb->vb2_buf.timestamp = job->active->vb->vb2_buf.timestamp;
+
+	job->dst->vb->flags = job->active->vb->flags &
+				V4L2_BUF_FLAG_TSTAMP_SRC_MASK;
+
+	/* Ideally, the frame-end function will just 'check' to see
+	 * if there are more jobs instead
+	 */
+	ctx->translen++;
+
+	/* Finally, Put this job on the processing queue */
+	queue_job(fdp1, job);
+
+	dprintk(fdp1, "Job Queued translen = %d\n", ctx->translen);
+
+	return job;
+}
+
+/* fdp1_m2m_device_run() - prepares and starts the device for an M2M task
+ *
+ * A single input buffer is taken and serialised into our fdp1_buffer
+ * queue. The queue is then processed to create as many jobs as possible
+ * from our available input.
+ */
+static void fdp1_m2m_device_run(void *priv)
+{
+	struct fdp1_ctx *ctx = priv;
+	struct fdp1_dev *fdp1 = ctx->fdp1;
+	struct vb2_v4l2_buffer *src_vb;
+	struct fdp1_buffer *buf;
+	unsigned int i;
+
+	dprintk(fdp1, "+\n");
+
+	ctx->translen = 0;
+
+	/* Get our incoming buffer of either one or two fields, or one frame */
+	src_vb = v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx);
+	buf = to_fdp1_buffer(src_vb);
+
+	for (i = 0; i < buf->num_fields; i++) {
+		struct fdp1_field_buffer *fbuf = &buf->fields[i];
+
+		fdp1_queue_field(ctx, fbuf);
+		dprintk(fdp1, "Queued Buffer [%d] last_field:%d\n",
+				i, fbuf->last_field);
+	}
+
+	/* Queue as many jobs as our data provides for */
+	while (fdp1_prepare_job(ctx))
+		;
+
+	if (ctx->translen == 0) {
+		dprintk(fdp1, "No jobs were processed. M2M action complete\n");
+		v4l2_m2m_job_finish(fdp1->m2m_dev, ctx->fh.m2m_ctx);
+		return;
+	}
+
+	/* Kick the job processing action */
+	fdp1_device_process(ctx);
+}
+
+/*
+ * device_frame_end:
+ *
+ * Handles the M2M level after a buffer completion event.
+ */
+static void device_frame_end(struct fdp1_dev *fdp1,
+			     enum vb2_buffer_state state)
+{
+	struct fdp1_ctx *ctx;
+	unsigned long flags;
+	struct fdp1_job *job = get_hw_queued_job(fdp1);
+
+	dprintk(fdp1, "+\n");
+
+	ctx = v4l2_m2m_get_curr_priv(fdp1->m2m_dev);
+
+	if (ctx == NULL) {
+		v4l2_err(&fdp1->v4l2_dev,
+			"Instance released before the end of transaction\n");
+		return;
+	}
+
+	ctx->num_processed++;
+
+	/*
+	 * fdp1_field_complete will call buf_done only when the last vb2_buffer
+	 * reference is complete
+	 */
+	if (FDP1_DEINT_MODE_USES_PREV(ctx->deint_mode))
+		fdp1_field_complete(ctx, job->previous);
+	else
+		fdp1_field_complete(ctx, job->active);
+
+	spin_lock_irqsave(&fdp1->irqlock, flags);
+	v4l2_m2m_buf_done(job->dst->vb, state);
+	job->dst = NULL;
+	spin_unlock_irqrestore(&fdp1->irqlock, flags);
+
+	/* Move this job back to the free job list */
+	fdp1_job_free(fdp1, job);
+
+	dprintk(fdp1, "curr_ctx->num_processed %d curr_ctx->translen %d\n",
+			ctx->num_processed, ctx->translen);
+
+	if (ctx->num_processed == ctx->translen ||
+			ctx->aborting) {
+		dprintk(ctx->fdp1, "Finishing transaction\n");
+		ctx->num_processed = 0;
+		v4l2_m2m_job_finish(fdp1->m2m_dev, ctx->fh.m2m_ctx);
+	} else {
+		/*
+		 * For pipelined performance support, this would
+		 * be called from a VINT handler
+		 */
+		fdp1_device_process(ctx);
+	}
+}
+
+/*
+ * video ioctls
+ */
+static int fdp1_vidioc_querycap(struct file *file, void *priv,
+			   struct v4l2_capability *cap)
+{
+	strlcpy(cap->driver, DRIVER_NAME, sizeof(cap->driver));
+	strlcpy(cap->card, DRIVER_NAME, sizeof(cap->card));
+	snprintf(cap->bus_info, sizeof(cap->bus_info),
+			"platform:%s", DRIVER_NAME);
+	return 0;
+}
+
+static int fdp1_enum_fmt(struct v4l2_fmtdesc *f, u32 type)
+{
+	unsigned int i, num;
+
+	num = 0;
+
+	for (i = 0; i < ARRAY_SIZE(fdp1_formats); ++i) {
+		if (fdp1_formats[i].types & type) {
+			if (num == f->index)
+				break;
+			++num;
+		}
+	}
+
+	/* Format not found */
+	if (i >= ARRAY_SIZE(fdp1_formats))
+		return -EINVAL;
+
+	/* Format found */
+	f->pixelformat = fdp1_formats[i].fourcc;
+
+	return 0;
+}
+
+static int fdp1_enum_fmt_vid_cap(struct file *file, void *priv,
+				 struct v4l2_fmtdesc *f)
+{
+	return fdp1_enum_fmt(f, FDP1_CAPTURE);
+}
+
+static int fdp1_enum_fmt_vid_out(struct file *file, void *priv,
+				   struct v4l2_fmtdesc *f)
+{
+	return fdp1_enum_fmt(f, FDP1_OUTPUT);
+}
+
+static int fdp1_g_fmt(struct file *file, void *priv, struct v4l2_format *f)
+{
+	struct fdp1_q_data *q_data;
+	struct fdp1_ctx *ctx = fh_to_ctx(priv);
+
+	if (!v4l2_m2m_get_vq(ctx->fh.m2m_ctx, f->type))
+		return -EINVAL;
+
+	q_data = get_q_data(ctx, f->type);
+	f->fmt.pix_mp = q_data->format;
+
+	return 0;
+}
+
+static void fdp1_compute_stride(struct v4l2_pix_format_mplane *pix,
+				const struct fdp1_fmt *fmt)
+{
+	unsigned int i;
+
+	/* Compute and clamp the stride and image size. */
+	for (i = 0; i < min_t(unsigned int, fmt->num_planes, 2U); ++i) {
+		unsigned int hsub = i > 0 ? fmt->hsub : 1;
+		unsigned int vsub = i > 0 ? fmt->vsub : 1;
+		 /* From VSP : TODO: Confirm alignment limits for FDP1 */
+		unsigned int align = 128;
+		unsigned int bpl;
+
+		bpl = clamp_t(unsigned int, pix->plane_fmt[i].bytesperline,
+			      pix->width / hsub * fmt->bpp[i] / 8,
+			      round_down(FDP1_MAX_STRIDE, align));
+
+		pix->plane_fmt[i].bytesperline = round_up(bpl, align);
+		pix->plane_fmt[i].sizeimage = pix->plane_fmt[i].bytesperline
+					    * pix->height / vsub;
+
+		memset(pix->plane_fmt[i].reserved, 0,
+		       sizeof(pix->plane_fmt[i].reserved));
+	}
+
+	if (fmt->num_planes == 3) {
+		/* The two chroma planes must have the same stride. */
+		pix->plane_fmt[2].bytesperline = pix->plane_fmt[1].bytesperline;
+		pix->plane_fmt[2].sizeimage = pix->plane_fmt[1].sizeimage;
+
+		memset(pix->plane_fmt[2].reserved, 0,
+		       sizeof(pix->plane_fmt[2].reserved));
+	}
+}
+
+static void fdp1_try_fmt_output(struct fdp1_ctx *ctx,
+				const struct fdp1_fmt **fmtinfo,
+				struct v4l2_pix_format_mplane *pix)
+{
+	const struct fdp1_fmt *fmt;
+	unsigned int width;
+	unsigned int height;
+
+	/* Validate the pixel format to ensure the output queue supports it. */
+	fmt = fdp1_find_format(pix->pixelformat);
+	if (!fmt || !(fmt->types & FDP1_OUTPUT))
+		fmt = fdp1_find_format(V4L2_PIX_FMT_YUYV);
+
+	if (fmtinfo)
+		*fmtinfo = fmt;
+
+	pix->pixelformat = fmt->fourcc;
+	pix->num_planes = fmt->num_planes;
+
+	/*
+	 * Progressive video and all interlaced field orders are acceptable.
+	 * Default to V4L2_FIELD_INTERLACED.
+	 */
+	if (pix->field != V4L2_FIELD_NONE &&
+	    pix->field != V4L2_FIELD_ALTERNATE &&
+	    !V4L2_FIELD_HAS_BOTH(pix->field))
+		pix->field = V4L2_FIELD_INTERLACED;
+
+	/*
+	 * The deinterlacer doesn't care about the colorspace, accept all values
+	 * and default to V4L2_COLORSPACE_SMPTE170M. The YUV to RGB conversion
+	 * at the output of the deinterlacer supports a subset of encodings and
+	 * quantization methods and will only be available when the colorspace
+	 * allows it.
+	 */
+	if (pix->colorspace == V4L2_COLORSPACE_DEFAULT)
+		pix->colorspace = V4L2_COLORSPACE_SMPTE170M;
+
+	/*
+	 * Align the width and height for YUV 4:2:2 and 4:2:0 formats and clamp
+	 * them to the supported frame size range. The height boundary are
+	 * related to the full frame, divide them by two when the format passes
+	 * fields in separate buffers.
+	 */
+	width = round_down(pix->width, fmt->hsub);
+	pix->width = clamp(width, FDP1_MIN_W, FDP1_MAX_W);
+
+	height = round_down(pix->height, fmt->vsub);
+	if (pix->field == V4L2_FIELD_ALTERNATE)
+		pix->height = clamp(height, FDP1_MIN_H / 2, FDP1_MAX_H / 2);
+	else
+		pix->height = clamp(height, FDP1_MIN_H, FDP1_MAX_H);
+
+	fdp1_compute_stride(pix, fmt);
+}
+
+static void fdp1_try_fmt_capture(struct fdp1_ctx *ctx,
+				 const struct fdp1_fmt **fmtinfo,
+				 struct v4l2_pix_format_mplane *pix)
+{
+	struct fdp1_q_data *src_data = &ctx->out_q;
+	enum v4l2_colorspace colorspace;
+	enum v4l2_ycbcr_encoding ycbcr_enc;
+	enum v4l2_quantization quantization;
+	const struct fdp1_fmt *fmt;
+	bool allow_rgb;
+
+	/*
+	 * Validate the pixel format. We can only accept RGB output formats if
+	 * the input encoding and quantization are compatible with the format
+	 * conversions supported by the hardware. The supported combinations are
+	 *
+	 * V4L2_YCBCR_ENC_601 + V4L2_QUANTIZATION_LIM_RANGE
+	 * V4L2_YCBCR_ENC_601 + V4L2_QUANTIZATION_FULL_RANGE
+	 * V4L2_YCBCR_ENC_709 + V4L2_QUANTIZATION_LIM_RANGE
+	 */
+	colorspace = src_data->format.colorspace;
+
+	ycbcr_enc = src_data->format.ycbcr_enc;
+	if (ycbcr_enc == V4L2_YCBCR_ENC_DEFAULT)
+		ycbcr_enc = V4L2_MAP_YCBCR_ENC_DEFAULT(colorspace);
+
+	quantization = src_data->format.quantization;
+	if (quantization == V4L2_QUANTIZATION_DEFAULT)
+		quantization = V4L2_MAP_QUANTIZATION_DEFAULT(false, colorspace,
+							     ycbcr_enc);
+
+	allow_rgb = ycbcr_enc == V4L2_YCBCR_ENC_601 ||
+		    (ycbcr_enc == V4L2_YCBCR_ENC_709 &&
+		     quantization == V4L2_QUANTIZATION_LIM_RANGE);
+
+	fmt = fdp1_find_format(pix->pixelformat);
+	if (!fmt || (!allow_rgb && fdp1_fmt_is_rgb(fmt)))
+		fmt = fdp1_find_format(V4L2_PIX_FMT_YUYV);
+
+	if (fmtinfo)
+		*fmtinfo = fmt;
+
+	pix->pixelformat = fmt->fourcc;
+	pix->num_planes = fmt->num_planes;
+	pix->field = V4L2_FIELD_NONE;
+
+	/*
+	 * The colorspace on the capture queue is copied from the output queue
+	 * as the hardware can't change the colorspace. It can convert YCbCr to
+	 * RGB though, in which case the encoding and quantization are set to
+	 * default values as anything else wouldn't make sense.
+	 */
+	pix->colorspace = src_data->format.colorspace;
+	pix->xfer_func = src_data->format.xfer_func;
+
+	if (fdp1_fmt_is_rgb(fmt)) {
+		pix->ycbcr_enc = V4L2_YCBCR_ENC_DEFAULT;
+		pix->quantization = V4L2_QUANTIZATION_DEFAULT;
+	} else {
+		pix->ycbcr_enc = src_data->format.ycbcr_enc;
+		pix->quantization = src_data->format.quantization;
+	}
+
+	/*
+	 * The frame width is identical to the output queue, and the height is
+	 * either doubled or identical depending on whether the output queue
+	 * field order contains one or two fields per frame.
+	 */
+	pix->width = src_data->format.width;
+	if (src_data->format.field == V4L2_FIELD_ALTERNATE)
+		pix->height = 2 * src_data->format.height;
+	else
+		pix->height = src_data->format.height;
+
+	fdp1_compute_stride(pix, fmt);
+}
+
+static int fdp1_try_fmt(struct file *file, void *priv, struct v4l2_format *f)
+{
+	struct fdp1_ctx *ctx = fh_to_ctx(priv);
+
+	if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
+		fdp1_try_fmt_output(ctx, NULL, &f->fmt.pix_mp);
+	else
+		fdp1_try_fmt_capture(ctx, NULL, &f->fmt.pix_mp);
+
+	dprintk(ctx->fdp1, "Try %s format: %4s (0x%08x) %ux%u field %u\n",
+		V4L2_TYPE_IS_OUTPUT(f->type) ? "output" : "capture",
+		(char *)&f->fmt.pix_mp.pixelformat, f->fmt.pix_mp.pixelformat,
+		f->fmt.pix_mp.width, f->fmt.pix_mp.height, f->fmt.pix_mp.field);
+
+	return 0;
+}
+
+static void fdp1_set_format(struct fdp1_ctx *ctx,
+			    struct v4l2_pix_format_mplane *pix,
+			    enum v4l2_buf_type type)
+{
+	struct fdp1_q_data *q_data = get_q_data(ctx, type);
+	const struct fdp1_fmt *fmtinfo;
+
+	if (type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
+		fdp1_try_fmt_output(ctx, &fmtinfo, pix);
+	else
+		fdp1_try_fmt_capture(ctx, &fmtinfo, pix);
+
+	q_data->fmt = fmtinfo;
+	q_data->format = *pix;
+
+	q_data->vsize = pix->height;
+	if (pix->field != V4L2_FIELD_NONE)
+		q_data->vsize /= 2;
+
+	q_data->stride_y = pix->plane_fmt[0].bytesperline;
+	q_data->stride_c = pix->plane_fmt[1].bytesperline;
+
+	/* Adjust strides for interleaved buffers */
+	if (pix->field == V4L2_FIELD_INTERLACED ||
+	    pix->field == V4L2_FIELD_INTERLACED_TB ||
+	    pix->field == V4L2_FIELD_INTERLACED_BT) {
+		q_data->stride_y *= 2;
+		q_data->stride_c *= 2;
+	}
+
+	/* Propagate the format from the output node to the capture node. */
+	if (type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
+		struct fdp1_q_data *dst_data = &ctx->cap_q;
+
+		/*
+		 * Copy the format, clear the per-plane bytes per line and image
+		 * size, override the field and double the height if needed.
+		 */
+		dst_data->format = q_data->format;
+		memset(dst_data->format.plane_fmt, 0,
+		       sizeof(dst_data->format.plane_fmt));
+
+		dst_data->format.field = V4L2_FIELD_NONE;
+		if (pix->field == V4L2_FIELD_ALTERNATE)
+			dst_data->format.height *= 2;
+
+		fdp1_try_fmt_capture(ctx, &dst_data->fmt, &dst_data->format);
+
+		dst_data->vsize = dst_data->format.height;
+		dst_data->stride_y = dst_data->format.plane_fmt[0].bytesperline;
+		dst_data->stride_c = dst_data->format.plane_fmt[1].bytesperline;
+	}
+}
+
+static int fdp1_s_fmt(struct file *file, void *priv, struct v4l2_format *f)
+{
+	struct fdp1_ctx *ctx = fh_to_ctx(priv);
+	struct v4l2_m2m_ctx *m2m_ctx = ctx->fh.m2m_ctx;
+	struct vb2_queue *vq = v4l2_m2m_get_vq(m2m_ctx, f->type);
+
+	if (vb2_is_busy(vq)) {
+		v4l2_err(&ctx->fdp1->v4l2_dev, "%s queue busy\n", __func__);
+		return -EBUSY;
+	}
+
+	fdp1_set_format(ctx, &f->fmt.pix_mp, f->type);
+
+	dprintk(ctx->fdp1, "Set %s format: %4s (0x%08x) %ux%u field %u\n",
+		V4L2_TYPE_IS_OUTPUT(f->type) ? "output" : "capture",
+		(char *)&f->fmt.pix_mp.pixelformat, f->fmt.pix_mp.pixelformat,
+		f->fmt.pix_mp.width, f->fmt.pix_mp.height, f->fmt.pix_mp.field);
+
+	return 0;
+}
+
+static int fdp1_g_ctrl(struct v4l2_ctrl *ctrl)
+{
+	struct fdp1_ctx *ctx =
+		container_of(ctrl->handler, struct fdp1_ctx, hdl);
+	struct fdp1_q_data *src_q_data = &ctx->out_q;
+
+	switch (ctrl->id) {
+	case V4L2_CID_MIN_BUFFERS_FOR_CAPTURE:
+		if (V4L2_FIELD_HAS_BOTH(src_q_data->format.field))
+			ctrl->val = 2;
+		else
+			ctrl->val = 1;
+		return 0;
+	}
+
+	return 1;
+}
+
+static int fdp1_s_ctrl(struct v4l2_ctrl *ctrl)
+{
+	struct fdp1_ctx *ctx =
+		container_of(ctrl->handler, struct fdp1_ctx, hdl);
+
+	switch (ctrl->id) {
+	case V4L2_CID_ALPHA_COMPONENT:
+		ctx->alpha = ctrl->val;
+		break;
+
+	case V4L2_CID_DEINTERLACING_MODE:
+		ctx->deint_mode = ctrl->val;
+		break;
+	}
+
+	return 0;
+}
+
+static const struct v4l2_ctrl_ops fdp1_ctrl_ops = {
+	.s_ctrl = fdp1_s_ctrl,
+	.g_volatile_ctrl = fdp1_g_ctrl,
+};
+
+static const char * const fdp1_ctrl_deint_menu[] = {
+	"Progressive",
+	"Adaptive 2D/3D",
+	"Fixed 2D",
+	"Fixed 3D",
+	"Previous field",
+	"Next field",
+	NULL
+};
+
+static const struct v4l2_ioctl_ops fdp1_ioctl_ops = {
+	.vidioc_querycap	= fdp1_vidioc_querycap,
+
+	.vidioc_enum_fmt_vid_cap_mplane = fdp1_enum_fmt_vid_cap,
+	.vidioc_enum_fmt_vid_out_mplane = fdp1_enum_fmt_vid_out,
+	.vidioc_g_fmt_vid_cap_mplane	= fdp1_g_fmt,
+	.vidioc_g_fmt_vid_out_mplane	= fdp1_g_fmt,
+	.vidioc_try_fmt_vid_cap_mplane	= fdp1_try_fmt,
+	.vidioc_try_fmt_vid_out_mplane	= fdp1_try_fmt,
+	.vidioc_s_fmt_vid_cap_mplane	= fdp1_s_fmt,
+	.vidioc_s_fmt_vid_out_mplane	= fdp1_s_fmt,
+
+	.vidioc_reqbufs		= v4l2_m2m_ioctl_reqbufs,
+	.vidioc_querybuf	= v4l2_m2m_ioctl_querybuf,
+	.vidioc_qbuf		= v4l2_m2m_ioctl_qbuf,
+	.vidioc_dqbuf		= v4l2_m2m_ioctl_dqbuf,
+	.vidioc_prepare_buf	= v4l2_m2m_ioctl_prepare_buf,
+	.vidioc_create_bufs	= v4l2_m2m_ioctl_create_bufs,
+	.vidioc_expbuf		= v4l2_m2m_ioctl_expbuf,
+
+	.vidioc_streamon	= v4l2_m2m_ioctl_streamon,
+	.vidioc_streamoff	= v4l2_m2m_ioctl_streamoff,
+
+	.vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
+	.vidioc_unsubscribe_event = v4l2_event_unsubscribe,
+};
+
+/*
+ * Queue operations
+ */
+
+static int fdp1_queue_setup(struct vb2_queue *vq,
+				unsigned int *nbuffers, unsigned int *nplanes,
+				unsigned int sizes[],
+				struct device *alloc_ctxs[])
+{
+	struct fdp1_ctx *ctx = vb2_get_drv_priv(vq);
+	struct fdp1_q_data *q_data;
+	unsigned int i;
+
+	q_data = get_q_data(ctx, vq->type);
+
+	if (*nplanes) {
+		if (*nplanes > FDP1_MAX_PLANES)
+			return -EINVAL;
+
+		return 0;
+	}
+
+	*nplanes = q_data->format.num_planes;
+
+	for (i = 0; i < *nplanes; i++)
+		sizes[i] = q_data->format.plane_fmt[i].sizeimage;
+
+	return 0;
+}
+
+static void fdp1_buf_prepare_field(struct fdp1_q_data *q_data,
+				   struct vb2_v4l2_buffer *vbuf,
+				   unsigned int field_num)
+{
+	struct fdp1_buffer *buf = to_fdp1_buffer(vbuf);
+	struct fdp1_field_buffer *fbuf = &buf->fields[field_num];
+	unsigned int num_fields;
+	unsigned int i;
+
+	num_fields = V4L2_FIELD_HAS_BOTH(vbuf->field) ? 2 : 1;
+
+	fbuf->vb = vbuf;
+	fbuf->last_field = (field_num + 1) == num_fields;
+
+	for (i = 0; i < vbuf->vb2_buf.num_planes; ++i)
+		fbuf->addrs[i] = vb2_dma_contig_plane_dma_addr(&vbuf->vb2_buf, i);
+
+	switch (vbuf->field) {
+	case V4L2_FIELD_INTERLACED:
+		/*
+		 * Interlaced means bottom-top for 60Hz TV standards (NTSC) and
+		 * top-bottom for 50Hz. As TV standards are not applicable to
+		 * the mem-to-mem API, use the height as a heuristic.
+		 */
+		fbuf->field = (q_data->format.height < 576) == field_num
+			    ? V4L2_FIELD_TOP : V4L2_FIELD_BOTTOM;
+		break;
+	case V4L2_FIELD_INTERLACED_TB:
+	case V4L2_FIELD_SEQ_TB:
+		fbuf->field = field_num ? V4L2_FIELD_BOTTOM : V4L2_FIELD_TOP;
+		break;
+	case V4L2_FIELD_INTERLACED_BT:
+	case V4L2_FIELD_SEQ_BT:
+		fbuf->field = field_num ? V4L2_FIELD_TOP : V4L2_FIELD_BOTTOM;
+		break;
+	default:
+		fbuf->field = vbuf->field;
+		break;
+	}
+
+	/* Buffer is completed */
+	if (!field_num)
+		return;
+
+	/* Adjust buffer addresses for second field */
+	switch (vbuf->field) {
+	case V4L2_FIELD_INTERLACED:
+	case V4L2_FIELD_INTERLACED_TB:
+	case V4L2_FIELD_INTERLACED_BT:
+		for (i = 0; i < vbuf->vb2_buf.num_planes; i++)
+			fbuf->addrs[i] +=
+				(i == 0 ? q_data->stride_y : q_data->stride_c);
+		break;
+	case V4L2_FIELD_SEQ_TB:
+	case V4L2_FIELD_SEQ_BT:
+		for (i = 0; i < vbuf->vb2_buf.num_planes; i++)
+			fbuf->addrs[i] += q_data->vsize *
+				(i == 0 ? q_data->stride_y : q_data->stride_c);
+		break;
+	}
+}
+
+static int fdp1_buf_prepare(struct vb2_buffer *vb)
+{
+	struct fdp1_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
+	struct fdp1_q_data *q_data = get_q_data(ctx, vb->vb2_queue->type);
+	struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
+	struct fdp1_buffer *buf = to_fdp1_buffer(vbuf);
+	unsigned int i;
+
+	if (V4L2_TYPE_IS_OUTPUT(vb->vb2_queue->type)) {
+		bool field_valid = true;
+
+		/* Validate the buffer field. */
+		switch (q_data->format.field) {
+		case V4L2_FIELD_NONE:
+			if (vbuf->field != V4L2_FIELD_NONE)
+				field_valid = false;
+			break;
+
+		case V4L2_FIELD_ALTERNATE:
+			if (vbuf->field != V4L2_FIELD_TOP &&
+			    vbuf->field != V4L2_FIELD_BOTTOM)
+				field_valid = false;
+			break;
+
+		case V4L2_FIELD_INTERLACED:
+		case V4L2_FIELD_SEQ_TB:
+		case V4L2_FIELD_SEQ_BT:
+		case V4L2_FIELD_INTERLACED_TB:
+		case V4L2_FIELD_INTERLACED_BT:
+			if (vbuf->field != q_data->format.field)
+				field_valid = false;
+			break;
+		}
+
+		if (!field_valid) {
+			dprintk(ctx->fdp1,
+				"buffer field %u invalid for format field %u\n",
+				vbuf->field, q_data->format.field);
+			return -EINVAL;
+		}
+	} else {
+		vbuf->field = V4L2_FIELD_NONE;
+	}
+
+	/* Validate the planes sizes. */
+	for (i = 0; i < q_data->format.num_planes; i++) {
+		unsigned long size = q_data->format.plane_fmt[i].sizeimage;
+
+		if (vb2_plane_size(vb, i) < size) {
+			dprintk(ctx->fdp1,
+				"data will not fit into plane [%u/%u] (%lu < %lu)\n",
+				i, q_data->format.num_planes,
+				vb2_plane_size(vb, i), size);
+			return -EINVAL;
+		}
+
+		/* We have known size formats all around */
+		vb2_set_plane_payload(vb, i, size);
+	}
+
+	buf->num_fields = V4L2_FIELD_HAS_BOTH(vbuf->field) ? 2 : 1;
+	for (i = 0; i < buf->num_fields; ++i)
+		fdp1_buf_prepare_field(q_data, vbuf, i);
+
+	return 0;
+}
+
+static void fdp1_buf_queue(struct vb2_buffer *vb)
+{
+	struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
+	struct fdp1_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
+
+	v4l2_m2m_buf_queue(ctx->fh.m2m_ctx, vbuf);
+}
+
+static int fdp1_start_streaming(struct vb2_queue *q, unsigned int count)
+{
+	struct fdp1_ctx *ctx = vb2_get_drv_priv(q);
+	struct fdp1_q_data *q_data = get_q_data(ctx, q->type);
+
+	if (V4L2_TYPE_IS_OUTPUT(q->type)) {
+		/*
+		 * Force our deint_mode when we are progressive,
+		 * ignoring any setting on the device from the user,
+		 * Otherwise, lock in the requested de-interlace mode.
+		 */
+		if (q_data->format.field == V4L2_FIELD_NONE)
+			ctx->deint_mode = FDP1_PROGRESSIVE;
+
+		if (ctx->deint_mode == FDP1_ADAPT2D3D) {
+			u32 stride;
+			dma_addr_t smsk_base;
+			const u32 bpp = 2; /* bytes per pixel */
+
+			stride = round_up(q_data->format.width, 8);
+
+			ctx->smsk_size = bpp * stride * q_data->vsize;
+
+			ctx->smsk_cpu = dma_alloc_coherent(ctx->fdp1->dev,
+				ctx->smsk_size, &smsk_base, GFP_KERNEL);
+
+			if (ctx->smsk_cpu == NULL) {
+				dprintk(ctx->fdp1, "Failed to alloc smsk\n");
+				return -ENOMEM;
+			}
+
+			ctx->smsk_addr[0] = smsk_base;
+			ctx->smsk_addr[1] = smsk_base + (ctx->smsk_size/2);
+		}
+	}
+
+	return 0;
+}
+
+static void fdp1_stop_streaming(struct vb2_queue *q)
+{
+	struct fdp1_ctx *ctx = vb2_get_drv_priv(q);
+	struct vb2_v4l2_buffer *vbuf;
+	unsigned long flags;
+
+	while (1) {
+		if (V4L2_TYPE_IS_OUTPUT(q->type))
+			vbuf = v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx);
+		else
+			vbuf = v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx);
+		if (vbuf == NULL)
+			break;
+		spin_lock_irqsave(&ctx->fdp1->irqlock, flags);
+		v4l2_m2m_buf_done(vbuf, VB2_BUF_STATE_ERROR);
+		spin_unlock_irqrestore(&ctx->fdp1->irqlock, flags);
+	}
+
+	/* Empty Output queues */
+	if (V4L2_TYPE_IS_OUTPUT(q->type)) {
+		/* Empty our internal queues */
+		struct fdp1_field_buffer *fbuf;
+
+		/* Free any queued buffers */
+		fbuf = fdp1_dequeue_field(ctx);
+		while (fbuf != NULL) {
+			fdp1_field_complete(ctx, fbuf);
+			fbuf = fdp1_dequeue_field(ctx);
+		}
+
+		/* Free smsk_data */
+		if (ctx->smsk_cpu) {
+			dma_free_coherent(ctx->fdp1->dev, ctx->smsk_size,
+					ctx->smsk_cpu, ctx->smsk_addr[0]);
+			ctx->smsk_addr[0] = ctx->smsk_addr[1] = 0;
+			ctx->smsk_cpu = NULL;
+		}
+
+		WARN(!list_empty(&ctx->fields_queue),
+				"Buffer queue not empty");
+	} else {
+		/* Empty Capture queues (Jobs) */
+		struct fdp1_job *job;
+
+		job = get_queued_job(ctx->fdp1);
+		while (job) {
+			if (FDP1_DEINT_MODE_USES_PREV(ctx->deint_mode))
+				fdp1_field_complete(ctx, job->previous);
+			else
+				fdp1_field_complete(ctx, job->active);
+
+			v4l2_m2m_buf_done(job->dst->vb, VB2_BUF_STATE_ERROR);
+			job->dst = NULL;
+
+			job = get_queued_job(ctx->fdp1);
+		}
+
+		/* Free any held buffer in the ctx */
+		fdp1_field_complete(ctx, ctx->previous);
+
+		WARN(!list_empty(&ctx->fdp1->queued_job_list),
+				"Queued Job List not empty");
+
+		WARN(!list_empty(&ctx->fdp1->hw_job_list),
+				"HW Job list not empty");
+	}
+}
+
+static struct vb2_ops fdp1_qops = {
+	.queue_setup	 = fdp1_queue_setup,
+	.buf_prepare	 = fdp1_buf_prepare,
+	.buf_queue	 = fdp1_buf_queue,
+	.start_streaming = fdp1_start_streaming,
+	.stop_streaming  = fdp1_stop_streaming,
+	.wait_prepare	 = vb2_ops_wait_prepare,
+	.wait_finish	 = vb2_ops_wait_finish,
+};
+
+static int queue_init(void *priv, struct vb2_queue *src_vq,
+		      struct vb2_queue *dst_vq)
+{
+	struct fdp1_ctx *ctx = priv;
+	int ret;
+
+	src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
+	src_vq->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF;
+	src_vq->drv_priv = ctx;
+	src_vq->buf_struct_size = sizeof(struct fdp1_buffer);
+	src_vq->ops = &fdp1_qops;
+	src_vq->mem_ops = &vb2_dma_contig_memops;
+	src_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
+	src_vq->lock = &ctx->fdp1->dev_mutex;
+	src_vq->dev = ctx->fdp1->dev;
+
+	ret = vb2_queue_init(src_vq);
+	if (ret)
+		return ret;
+
+	dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
+	dst_vq->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF;
+	dst_vq->drv_priv = ctx;
+	dst_vq->buf_struct_size = sizeof(struct fdp1_buffer);
+	dst_vq->ops = &fdp1_qops;
+	dst_vq->mem_ops = &vb2_dma_contig_memops;
+	dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
+	dst_vq->lock = &ctx->fdp1->dev_mutex;
+	dst_vq->dev = ctx->fdp1->dev;
+
+	return vb2_queue_init(dst_vq);
+}
+
+/*
+ * File operations
+ */
+static int fdp1_open(struct file *file)
+{
+	struct fdp1_dev *fdp1 = video_drvdata(file);
+	struct v4l2_pix_format_mplane format;
+	struct fdp1_ctx *ctx = NULL;
+	struct v4l2_ctrl *ctrl;
+	int ret = 0;
+
+	if (mutex_lock_interruptible(&fdp1->dev_mutex))
+		return -ERESTARTSYS;
+
+	ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
+	if (!ctx) {
+		ret = -ENOMEM;
+		goto done;
+	}
+
+	v4l2_fh_init(&ctx->fh, video_devdata(file));
+	file->private_data = &ctx->fh;
+	ctx->fdp1 = fdp1;
+
+	/* Initialise Queues */
+	INIT_LIST_HEAD(&ctx->fields_queue);
+
+	ctx->translen = 1;
+	ctx->sequence = 0;
+
+	/* Initialise controls */
+
+	v4l2_ctrl_handler_init(&ctx->hdl, 3);
+	v4l2_ctrl_new_std_menu_items(&ctx->hdl, &fdp1_ctrl_ops,
+				     V4L2_CID_DEINTERLACING_MODE,
+				     FDP1_NEXTFIELD, BIT(0), FDP1_FIXED3D,
+				     fdp1_ctrl_deint_menu);
+
+	ctrl = v4l2_ctrl_new_std(&ctx->hdl, &fdp1_ctrl_ops,
+			V4L2_CID_MIN_BUFFERS_FOR_CAPTURE, 1, 2, 1, 1);
+	if (ctrl)
+		ctrl->flags |= V4L2_CTRL_FLAG_VOLATILE;
+
+	v4l2_ctrl_new_std(&ctx->hdl, &fdp1_ctrl_ops,
+			  V4L2_CID_ALPHA_COMPONENT, 0, 255, 1, 255);
+
+	if (ctx->hdl.error) {
+		ret = ctx->hdl.error;
+		v4l2_ctrl_handler_free(&ctx->hdl);
+		goto done;
+	}
+
+	ctx->fh.ctrl_handler = &ctx->hdl;
+	v4l2_ctrl_handler_setup(&ctx->hdl);
+
+	/* Configure default parameters. */
+	memset(&format, 0, sizeof(format));
+	fdp1_set_format(ctx, &format, V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE);
+
+	ctx->fh.m2m_ctx = v4l2_m2m_ctx_init(fdp1->m2m_dev, ctx, &queue_init);
+
+	if (IS_ERR(ctx->fh.m2m_ctx)) {
+		ret = PTR_ERR(ctx->fh.m2m_ctx);
+
+		v4l2_ctrl_handler_free(&ctx->hdl);
+		kfree(ctx);
+		goto done;
+	}
+
+	/* Perform any power management required */
+	pm_runtime_get_sync(fdp1->dev);
+
+	v4l2_fh_add(&ctx->fh);
+
+	dprintk(fdp1, "Created instance: %p, m2m_ctx: %p\n",
+		ctx, ctx->fh.m2m_ctx);
+
+done:
+	mutex_unlock(&fdp1->dev_mutex);
+	return ret;
+}
+
+static int fdp1_release(struct file *file)
+{
+	struct fdp1_dev *fdp1 = video_drvdata(file);
+	struct fdp1_ctx *ctx = fh_to_ctx(file->private_data);
+
+	dprintk(fdp1, "Releasing instance %p\n", ctx);
+
+	v4l2_fh_del(&ctx->fh);
+	v4l2_fh_exit(&ctx->fh);
+	v4l2_ctrl_handler_free(&ctx->hdl);
+	mutex_lock(&fdp1->dev_mutex);
+	v4l2_m2m_ctx_release(ctx->fh.m2m_ctx);
+	mutex_unlock(&fdp1->dev_mutex);
+	kfree(ctx);
+
+	pm_runtime_put(fdp1->dev);
+
+	return 0;
+}
+
+static const struct v4l2_file_operations fdp1_fops = {
+	.owner		= THIS_MODULE,
+	.open		= fdp1_open,
+	.release	= fdp1_release,
+	.poll		= v4l2_m2m_fop_poll,
+	.unlocked_ioctl	= video_ioctl2,
+	.mmap		= v4l2_m2m_fop_mmap,
+};
+
+static const struct video_device fdp1_videodev = {
+	.name		= DRIVER_NAME,
+	.vfl_dir	= VFL_DIR_M2M,
+	.fops		= &fdp1_fops,
+	.device_caps	= V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_STREAMING,
+	.ioctl_ops	= &fdp1_ioctl_ops,
+	.minor		= -1,
+	.release	= video_device_release_empty,
+};
+
+static const struct v4l2_m2m_ops m2m_ops = {
+	.device_run	= fdp1_m2m_device_run,
+	.job_ready	= fdp1_m2m_job_ready,
+	.job_abort	= fdp1_m2m_job_abort,
+};
+
+static irqreturn_t fdp1_irq_handler(int irq, void *dev_id)
+{
+	struct fdp1_dev *fdp1 = dev_id;
+	u32 int_status;
+	u32 ctl_status;
+	u32 vint_cnt;
+	u32 cycles;
+
+	int_status = fdp1_read(fdp1, FD1_CTL_IRQSTA);
+	cycles = fdp1_read(fdp1, FD1_CTL_VCYCLE_STAT);
+	ctl_status = fdp1_read(fdp1, FD1_CTL_STATUS);
+	vint_cnt = (ctl_status & FD1_CTL_STATUS_VINT_CNT_MASK) >>
+			FD1_CTL_STATUS_VINT_CNT_SHIFT;
+
+	/* Clear interrupts */
+	fdp1_write(fdp1, ~(int_status) & FD1_CTL_IRQ_MASK, FD1_CTL_IRQSTA);
+
+	if (debug >= 2) {
+		dprintk(fdp1, "IRQ: 0x%x %s%s%s\n", int_status,
+			int_status & FD1_CTL_IRQ_VERE ? "[Error]" : "[!E]",
+			int_status & FD1_CTL_IRQ_VINTE ? "[VSync]" : "[!V]",
+			int_status & FD1_CTL_IRQ_FREE ? "[FrameEnd]" : "[!F]");
+
+		dprintk(fdp1, "CycleStatus = %d (%dms)\n",
+			cycles, cycles/(fdp1->clk_rate/1000));
+
+		dprintk(fdp1,
+			"Control Status = 0x%08x : VINT_CNT = %d %s:%s:%s:%s\n",
+			ctl_status, vint_cnt,
+			ctl_status & FD1_CTL_STATUS_SGREGSET ? "RegSet" : "",
+			ctl_status & FD1_CTL_STATUS_SGVERR ? "Vsync Error" : "",
+			ctl_status & FD1_CTL_STATUS_SGFREND ? "FrameEnd" : "",
+			ctl_status & FD1_CTL_STATUS_BSY ? "Busy" : "");
+		dprintk(fdp1, "***********************************\n");
+	}
+
+	/* Spurious interrupt */
+	if (!(FD1_CTL_IRQ_MASK & int_status))
+		return IRQ_NONE;
+
+	/* Work completed, release the frame */
+	if (FD1_CTL_IRQ_VERE & int_status)
+		device_frame_end(fdp1, VB2_BUF_STATE_ERROR);
+	else if (FD1_CTL_IRQ_FREE & int_status)
+		device_frame_end(fdp1, VB2_BUF_STATE_DONE);
+
+	return IRQ_HANDLED;
+}
+
+static int fdp1_probe(struct platform_device *pdev)
+{
+	struct fdp1_dev *fdp1;
+	struct video_device *vfd;
+	struct device_node *fcp_node;
+	struct resource *res;
+	struct clk *clk;
+	unsigned int i;
+
+	int ret;
+	int hw_version;
+
+	fdp1 = devm_kzalloc(&pdev->dev, sizeof(*fdp1), GFP_KERNEL);
+	if (!fdp1)
+		return -ENOMEM;
+
+	INIT_LIST_HEAD(&fdp1->free_job_list);
+	INIT_LIST_HEAD(&fdp1->queued_job_list);
+	INIT_LIST_HEAD(&fdp1->hw_job_list);
+
+	/* Initialise the jobs on the free list */
+	for (i = 0; i < ARRAY_SIZE(fdp1->jobs); i++)
+		list_add(&fdp1->jobs[i].list, &fdp1->free_job_list);
+
+	mutex_init(&fdp1->dev_mutex);
+
+	spin_lock_init(&fdp1->irqlock);
+	spin_lock_init(&fdp1->device_process_lock);
+	fdp1->dev = &pdev->dev;
+	platform_set_drvdata(pdev, fdp1);
+
+	/* Memory-mapped registers */
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	fdp1->regs = devm_ioremap_resource(&pdev->dev, res);
+	if (IS_ERR(fdp1->regs))
+		return PTR_ERR(fdp1->regs);
+
+	/* Interrupt service routine registration */
+	fdp1->irq = ret = platform_get_irq(pdev, 0);
+	if (ret < 0) {
+		dev_err(&pdev->dev, "cannot find IRQ\n");
+		return ret;
+	}
+
+	ret = devm_request_irq(&pdev->dev, fdp1->irq, fdp1_irq_handler, 0,
+			       dev_name(&pdev->dev), fdp1);
+	if (ret) {
+		dev_err(&pdev->dev, "cannot claim IRQ %d\n", fdp1->irq);
+		return ret;
+	}
+
+	/* FCP */
+	fcp_node = of_parse_phandle(pdev->dev.of_node, "renesas,fcp", 0);
+	if (fcp_node) {
+		fdp1->fcp = rcar_fcp_get(fcp_node);
+		of_node_put(fcp_node);
+		if (IS_ERR(fdp1->fcp)) {
+			dev_err(&pdev->dev, "FCP not found (%ld)\n",
+				PTR_ERR(fdp1->fcp));
+			return PTR_ERR(fdp1->fcp);
+		}
+	}
+
+	/* Determine our clock rate */
+	clk = clk_get(&pdev->dev, NULL);
+	if (IS_ERR(clk))
+		return PTR_ERR(clk);
+
+	fdp1->clk_rate = clk_get_rate(clk);
+	clk_put(clk);
+
+	/* V4L2 device registration */
+	ret = v4l2_device_register(&pdev->dev, &fdp1->v4l2_dev);
+	if (ret) {
+		v4l2_err(&fdp1->v4l2_dev, "Failed to register video device\n");
+		return ret;
+	}
+
+	/* M2M registration */
+	fdp1->m2m_dev = v4l2_m2m_init(&m2m_ops);
+	if (IS_ERR(fdp1->m2m_dev)) {
+		v4l2_err(&fdp1->v4l2_dev, "Failed to init mem2mem device\n");
+		ret = PTR_ERR(fdp1->m2m_dev);
+		goto unreg_dev;
+	}
+
+	/* Video registration */
+	fdp1->vfd = fdp1_videodev;
+	vfd = &fdp1->vfd;
+	vfd->lock = &fdp1->dev_mutex;
+	vfd->v4l2_dev = &fdp1->v4l2_dev;
+	video_set_drvdata(vfd, fdp1);
+	strlcpy(vfd->name, fdp1_videodev.name, sizeof(vfd->name));
+
+	ret = video_register_device(vfd, VFL_TYPE_GRABBER, 0);
+	if (ret) {
+		v4l2_err(&fdp1->v4l2_dev, "Failed to register video device\n");
+		goto release_m2m;
+	}
+
+	v4l2_info(&fdp1->v4l2_dev,
+			"Device registered as /dev/video%d\n", vfd->num);
+
+	/* Power up the cells to read HW */
+	pm_runtime_enable(&pdev->dev);
+	pm_runtime_get_sync(fdp1->dev);
+
+	hw_version = fdp1_read(fdp1, FD1_IP_INTDATA);
+	switch (hw_version) {
+	case FD1_IP_H3:
+		dprintk(fdp1, "FDP1 Version R-Car H3\n");
+		break;
+	case FD1_IP_M3W:
+		dprintk(fdp1, "FDP1 Version R-Car M3-W\n");
+		break;
+	default:
+		dev_err(fdp1->dev, "FDP1 Unidentifiable (0x%08x)\n",
+				hw_version);
+	}
+
+	/* Allow the hw to sleep until an open call puts it to use */
+	pm_runtime_put(fdp1->dev);
+
+	return 0;
+
+release_m2m:
+	v4l2_m2m_release(fdp1->m2m_dev);
+
+unreg_dev:
+	v4l2_device_unregister(&fdp1->v4l2_dev);
+
+	return ret;
+}
+
+static int fdp1_remove(struct platform_device *pdev)
+{
+	struct fdp1_dev *fdp1 = platform_get_drvdata(pdev);
+
+	v4l2_m2m_release(fdp1->m2m_dev);
+	video_unregister_device(&fdp1->vfd);
+	v4l2_device_unregister(&fdp1->v4l2_dev);
+	pm_runtime_disable(&pdev->dev);
+
+	return 0;
+}
+
+static int __maybe_unused fdp1_pm_runtime_suspend(struct device *dev)
+{
+	struct fdp1_dev *fdp1 = dev_get_drvdata(dev);
+
+	rcar_fcp_disable(fdp1->fcp);
+
+	return 0;
+}
+
+static int __maybe_unused fdp1_pm_runtime_resume(struct device *dev)
+{
+	struct fdp1_dev *fdp1 = dev_get_drvdata(dev);
+
+	/* Program in the static LUTs */
+	fdp1_set_lut(fdp1);
+
+	return rcar_fcp_enable(fdp1->fcp);
+}
+
+static const struct dev_pm_ops fdp1_pm_ops = {
+	SET_RUNTIME_PM_OPS(fdp1_pm_runtime_suspend,
+			   fdp1_pm_runtime_resume,
+			   NULL)
+};
+
+static const struct of_device_id fdp1_dt_ids[] = {
+	{ .compatible = "renesas,fdp1" },
+	{ },
+};
+MODULE_DEVICE_TABLE(of, fdp1_dt_ids);
+
+static struct platform_driver fdp1_pdrv = {
+	.probe		= fdp1_probe,
+	.remove		= fdp1_remove,
+	.driver		= {
+		.name	= DRIVER_NAME,
+		.of_match_table = fdp1_dt_ids,
+		.pm	= &fdp1_pm_ops,
+	},
+};
+
+module_platform_driver(fdp1_pdrv);
+
+MODULE_DESCRIPTION("Renesas R-Car Fine Display Processor Driver");
+MODULE_AUTHOR("Kieran Bingham <kieran@bingham.xyz>");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:" DRIVER_NAME);
diff --git a/drivers/media/platform/s5p-jpeg/jpeg-hw-exynos4.c b/drivers/media/platform/s5p-jpeg/jpeg-hw-exynos4.c
index 0912d0a892e2..a1d823ab0c63 100644
--- a/drivers/media/platform/s5p-jpeg/jpeg-hw-exynos4.c
+++ b/drivers/media/platform/s5p-jpeg/jpeg-hw-exynos4.c
@@ -178,20 +178,12 @@ void exynos4_jpeg_set_interrupt(void __iomem *base, unsigned int version)
 
 unsigned int exynos4_jpeg_get_int_status(void __iomem *base)
 {
-	unsigned int	int_status;
-
-	int_status = readl(base + EXYNOS4_INT_STATUS_REG);
-
-	return int_status;
+	return readl(base + EXYNOS4_INT_STATUS_REG);
 }
 
 unsigned int exynos4_jpeg_get_fifo_status(void __iomem *base)
 {
-	unsigned int fifo_status;
-
-	fifo_status = readl(base + EXYNOS4_FIFO_STATUS_REG);
-
-	return fifo_status;
+	return readl(base + EXYNOS4_FIFO_STATUS_REG);
 }
 
 void exynos4_jpeg_set_huf_table_enable(void __iomem *base, int value)
@@ -296,10 +288,7 @@ void exynos4_jpeg_set_encode_hoff_cnt(void __iomem *base, unsigned int fmt)
 
 unsigned int exynos4_jpeg_get_stream_size(void __iomem *base)
 {
-	unsigned int size;
-
-	size = readl(base + EXYNOS4_BITSTREAM_SIZE_REG);
-	return size;
+	return readl(base + EXYNOS4_BITSTREAM_SIZE_REG);
 }
 
 void exynos4_jpeg_set_dec_bitstream_size(void __iomem *base, unsigned int size)
diff --git a/drivers/media/platform/s5p-mfc/regs-mfc-v6.h b/drivers/media/platform/s5p-mfc/regs-mfc-v6.h
index 83e01f3466e9..d2cd35916dc5 100644
--- a/drivers/media/platform/s5p-mfc/regs-mfc-v6.h
+++ b/drivers/media/platform/s5p-mfc/regs-mfc-v6.h
@@ -386,7 +386,8 @@
 			((w) * 144 + 8192 * (h) + 49216 + 1048576)
 #define S5P_FIMV_SCRATCH_BUF_SIZE_VC1_DEC_V6(w, h) \
 						(2096 * ((w) + (h) + 1))
-#define S5P_FIMV_SCRATCH_BUF_SIZE_H263_DEC_V6(w, h)	((w) * 400)
+#define S5P_FIMV_SCRATCH_BUF_SIZE_H263_DEC_V6(w, h)	\
+			S5P_FIMV_SCRATCH_BUF_SIZE_MPEG4_DEC_V6(w, h)
 #define S5P_FIMV_SCRATCH_BUF_SIZE_VP8_DEC_V6(w, h) \
 			((w) * 32 + (h) * 128 + (((w) + 1) / 2) * 64 + 2112)
 #define S5P_FIMV_SCRATCH_BUF_SIZE_H264_ENC_V6(w, h) \
diff --git a/drivers/media/platform/s5p-mfc/regs-mfc-v8.h b/drivers/media/platform/s5p-mfc/regs-mfc-v8.h
index cc7cbec51b5e..4d1c3750eb5e 100644
--- a/drivers/media/platform/s5p-mfc/regs-mfc-v8.h
+++ b/drivers/media/platform/s5p-mfc/regs-mfc-v8.h
@@ -90,7 +90,7 @@
 #define S5P_FIMV_E_H264_OPTIONS_V8		0xfb54
 
 /* MFCv8 Context buffer sizes */
-#define MFC_CTX_BUF_SIZE_V8		(30 * SZ_1K)	/*  30KB */
+#define MFC_CTX_BUF_SIZE_V8		(36 * SZ_1K)	/*  36KB */
 #define MFC_H264_DEC_CTX_BUF_SIZE_V8	(2 * SZ_1M)	/*  2MB */
 #define MFC_OTHER_DEC_CTX_BUF_SIZE_V8	(20 * SZ_1K)	/*  20KB */
 #define MFC_H264_ENC_CTX_BUF_SIZE_V8	(100 * SZ_1K)	/* 100KB */
diff --git a/drivers/media/platform/s5p-mfc/regs-mfc.h b/drivers/media/platform/s5p-mfc/regs-mfc.h
index 6ccc3f8c122a..57b7e0be0596 100644
--- a/drivers/media/platform/s5p-mfc/regs-mfc.h
+++ b/drivers/media/platform/s5p-mfc/regs-mfc.h
@@ -393,6 +393,9 @@
 #define S5P_FIMV_REG_CLEAR_COUNT		0
 
 /* Error handling defines */
+#define S5P_FIMV_ERR_NO_VALID_SEQ_HDR		67
+#define S5P_FIMV_ERR_INCOMPLETE_FRAME		124
+#define S5P_FIMV_ERR_TIMEOUT			140
 #define S5P_FIMV_ERR_WARNINGS_START		145
 #define S5P_FIMV_ERR_DEC_MASK			0xFFFF
 #define S5P_FIMV_ERR_DEC_SHIFT			0
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc.c b/drivers/media/platform/s5p-mfc/s5p_mfc.c
index 0a5b8f5e011e..bb0a5887c9a9 100644
--- a/drivers/media/platform/s5p-mfc/s5p_mfc.c
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc.c
@@ -641,8 +641,11 @@ static irqreturn_t s5p_mfc_irq(int irq, void *priv)
 	case S5P_MFC_R2H_CMD_ERR_RET:
 		/* An error has occurred */
 		if (ctx->state == MFCINST_RUNNING &&
-			s5p_mfc_hw_call(dev->mfc_ops, err_dec, err) >=
-				dev->warn_start)
+			(s5p_mfc_hw_call(dev->mfc_ops, err_dec, err) >=
+				dev->warn_start ||
+				err == S5P_FIMV_ERR_NO_VALID_SEQ_HDR ||
+				err == S5P_FIMV_ERR_INCOMPLETE_FRAME ||
+				err == S5P_FIMV_ERR_TIMEOUT))
 			s5p_mfc_handle_frame(ctx, reason, err);
 		else
 			s5p_mfc_handle_error(dev, ctx, reason, err);
@@ -848,6 +851,11 @@ static int s5p_mfc_open(struct file *file)
 		ret = -ENOENT;
 		goto err_queue_init;
 	}
+	/*
+	 * We'll do mostly sequential access, so sacrifice TLB efficiency for
+	 * faster allocation.
+	 */
+	q->dma_attrs = DMA_ATTR_ALLOC_SINGLE_PAGES;
 	q->mem_ops = &vb2_dma_contig_memops;
 	q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
 	ret = vb2_queue_init(q);
@@ -878,6 +886,12 @@ static int s5p_mfc_open(struct file *file)
 	 * will keep the value of bytesused intact.
 	 */
 	q->allow_zero_bytesused = 1;
+
+	/*
+	 * We'll do mostly sequential access, so sacrifice TLB efficiency for
+	 * faster allocation.
+	 */
+	q->dma_attrs = DMA_ATTR_ALLOC_SINGLE_PAGES;
 	q->mem_ops = &vb2_dma_contig_memops;
 	q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
 	ret = vb2_queue_init(q);
@@ -926,10 +940,11 @@ static int s5p_mfc_release(struct file *file)
 	mfc_debug_enter();
 	if (dev)
 		mutex_lock(&dev->mfc_mutex);
-	s5p_mfc_clock_on();
 	vb2_queue_release(&ctx->vq_src);
 	vb2_queue_release(&ctx->vq_dst);
 	if (dev) {
+		s5p_mfc_clock_on();
+
 		/* Mark context as idle */
 		clear_work_bit_irqsave(ctx);
 		/*
@@ -948,12 +963,14 @@ static int s5p_mfc_release(struct file *file)
 			mfc_debug(2, "Last instance\n");
 			s5p_mfc_deinit_hw(dev);
 			del_timer_sync(&dev->watchdog_timer);
+			s5p_mfc_clock_off();
 			if (s5p_mfc_power_off() < 0)
 				mfc_err("Power off failed\n");
+		} else {
+			mfc_debug(2, "Shutting down clock\n");
+			s5p_mfc_clock_off();
 		}
 	}
-	mfc_debug(2, "Shutting down clock\n");
-	s5p_mfc_clock_off();
 	if (dev)
 		dev->ctx[ctx->num] = NULL;
 	s5p_mfc_dec_ctrls_delete(ctx);
@@ -1082,6 +1099,7 @@ static struct device *s5p_mfc_alloc_memdev(struct device *dev,
 							 idx);
 		if (ret == 0)
 			return child;
+		device_del(child);
 	}
 
 	put_device(child);
@@ -1387,31 +1405,9 @@ static int s5p_mfc_resume(struct device *dev)
 }
 #endif
 
-#ifdef CONFIG_PM
-static int s5p_mfc_runtime_suspend(struct device *dev)
-{
-	struct platform_device *pdev = to_platform_device(dev);
-	struct s5p_mfc_dev *m_dev = platform_get_drvdata(pdev);
-
-	atomic_set(&m_dev->pm.power, 0);
-	return 0;
-}
-
-static int s5p_mfc_runtime_resume(struct device *dev)
-{
-	struct platform_device *pdev = to_platform_device(dev);
-	struct s5p_mfc_dev *m_dev = platform_get_drvdata(pdev);
-
-	atomic_set(&m_dev->pm.power, 1);
-	return 0;
-}
-#endif
-
 /* Power management */
 static const struct dev_pm_ops s5p_mfc_pm_ops = {
 	SET_SYSTEM_SLEEP_PM_OPS(s5p_mfc_suspend, s5p_mfc_resume)
-	SET_RUNTIME_PM_OPS(s5p_mfc_runtime_suspend, s5p_mfc_runtime_resume,
-			   NULL)
 };
 
 static struct s5p_mfc_buf_size_v5 mfc_buf_size_v5 = {
@@ -1438,6 +1434,9 @@ static struct s5p_mfc_variant mfc_drvdata_v5 = {
 	.buf_size	= &buf_size_v5,
 	.buf_align	= &mfc_buf_align_v5,
 	.fw_name[0]	= "s5p-mfc.fw",
+	.clk_names	= {"mfc", "sclk_mfc"},
+	.num_clocks	= 2,
+	.use_clock_gating = true,
 };
 
 static struct s5p_mfc_buf_size_v6 mfc_buf_size_v6 = {
@@ -1470,6 +1469,8 @@ static struct s5p_mfc_variant mfc_drvdata_v6 = {
 	 * for init buffer command
 	 */
 	.fw_name[1]     = "s5p-mfc-v6-v2.fw",
+	.clk_names	= {"mfc"},
+	.num_clocks	= 1,
 };
 
 static struct s5p_mfc_buf_size_v6 mfc_buf_size_v7 = {
@@ -1497,6 +1498,8 @@ static struct s5p_mfc_variant mfc_drvdata_v7 = {
 	.buf_size	= &buf_size_v7,
 	.buf_align	= &mfc_buf_align_v7,
 	.fw_name[0]     = "s5p-mfc-v7.fw",
+	.clk_names	= {"mfc", "sclk_mfc"},
+	.num_clocks	= 2,
 };
 
 static struct s5p_mfc_buf_size_v6 mfc_buf_size_v8 = {
@@ -1524,6 +1527,19 @@ static struct s5p_mfc_variant mfc_drvdata_v8 = {
 	.buf_size	= &buf_size_v8,
 	.buf_align	= &mfc_buf_align_v8,
 	.fw_name[0]     = "s5p-mfc-v8.fw",
+	.clk_names	= {"mfc"},
+	.num_clocks	= 1,
+};
+
+static struct s5p_mfc_variant mfc_drvdata_v8_5433 = {
+	.version	= MFC_VERSION_V8,
+	.version_bit	= MFC_V8_BIT,
+	.port_num	= MFC_NUM_PORTS_V8,
+	.buf_size	= &buf_size_v8,
+	.buf_align	= &mfc_buf_align_v8,
+	.fw_name[0]     = "s5p-mfc-v8.fw",
+	.clk_names	= {"pclk", "aclk", "aclk_xiu"},
+	.num_clocks	= 3,
 };
 
 static const struct of_device_id exynos_mfc_match[] = {
@@ -1539,6 +1555,9 @@ static const struct of_device_id exynos_mfc_match[] = {
 	}, {
 		.compatible = "samsung,mfc-v8",
 		.data = &mfc_drvdata_v8,
+	}, {
+		.compatible = "samsung,exynos5433-mfc",
+		.data = &mfc_drvdata_v8_5433,
 	},
 	{},
 };
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_common.h b/drivers/media/platform/s5p-mfc/s5p_mfc_common.h
index 46b99f28cbd7..ab23236aa942 100644
--- a/drivers/media/platform/s5p-mfc/s5p_mfc_common.h
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc_common.h
@@ -104,6 +104,8 @@ static inline dma_addr_t s5p_mfc_mem_cookie(void *a, void *b)
 #define S5P_MFC_R2H_CMD_ENC_BUFFER_FUL_RET	16
 #define S5P_MFC_R2H_CMD_ERR_RET			32
 
+#define MFC_MAX_CLOCKS		4
+
 #define mfc_read(dev, offset)		readl(dev->regs_base + (offset))
 #define mfc_write(dev, data, offset)	writel((data), dev->regs_base + \
 								(offset))
@@ -197,9 +199,12 @@ struct s5p_mfc_buf {
  * struct s5p_mfc_pm - power management data structure
  */
 struct s5p_mfc_pm {
-	struct clk	*clock;
 	struct clk	*clock_gate;
-	atomic_t	power;
+	const char	**clk_names;
+	struct clk	*clocks[MFC_MAX_CLOCKS];
+	int		num_clocks;
+	bool		use_clock_gating;
+
 	struct device	*device;
 };
 
@@ -235,6 +240,9 @@ struct s5p_mfc_variant {
 	struct s5p_mfc_buf_size *buf_size;
 	struct s5p_mfc_buf_align *buf_align;
 	char	*fw_name[MFC_FW_MAX_VERSIONS];
+	const char	*clk_names[MFC_MAX_CLOCKS];
+	int		num_clocks;
+	bool		use_clock_gating;
 };
 
 /**
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_debug.h b/drivers/media/platform/s5p-mfc/s5p_mfc_debug.h
index 5936923c631c..1936a5b868f5 100644
--- a/drivers/media/platform/s5p-mfc/s5p_mfc_debug.h
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc_debug.h
@@ -39,6 +39,12 @@ extern int mfc_debug_level;
 		       __func__, __LINE__, ##args);	\
 	} while (0)
 
+#define mfc_err_limited(fmt, args...)			\
+	do {						\
+		printk_ratelimited(KERN_ERR "%s:%d: " fmt,	\
+		       __func__, __LINE__, ##args);	\
+	} while (0)
+
 #define mfc_info(fmt, args...)				\
 	do {						\
 		printk(KERN_INFO "%s:%d: " fmt,		\
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c b/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c
index 52081ddc9bf2..367ef8e8dbf0 100644
--- a/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c
@@ -642,7 +642,7 @@ static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *buf)
 	int ret;
 
 	if (ctx->state == MFCINST_ERROR) {
-		mfc_err("Call on DQBUF after unrecoverable error\n");
+		mfc_err_limited("Call on DQBUF after unrecoverable error\n");
 		return -EIO;
 	}
 
@@ -793,18 +793,17 @@ static int vidioc_g_crop(struct file *file, void *priv,
 		cr->c.top = top;
 		cr->c.width = ctx->img_width - left - right;
 		cr->c.height = ctx->img_height - top - bottom;
-		mfc_debug(2, "Cropping info [h264]: l=%d t=%d "
-			"w=%d h=%d (r=%d b=%d fw=%d fh=%d\n", left, top,
-			cr->c.width, cr->c.height, right, bottom,
-			ctx->buf_width, ctx->buf_height);
+		mfc_debug(2, "Cropping info [h264]: l=%d t=%d w=%d h=%d (r=%d b=%d fw=%d fh=%d\n",
+			  left, top, cr->c.width, cr->c.height, right, bottom,
+			  ctx->buf_width, ctx->buf_height);
 	} else {
 		cr->c.left = 0;
 		cr->c.top = 0;
 		cr->c.width = ctx->img_width;
 		cr->c.height = ctx->img_height;
-		mfc_debug(2, "Cropping info: w=%d h=%d fw=%d "
-			"fh=%d\n", cr->c.width,	cr->c.height, ctx->buf_width,
-							ctx->buf_height);
+		mfc_debug(2, "Cropping info: w=%d h=%d fw=%d fh=%d\n",
+			  cr->c.width,	cr->c.height, ctx->buf_width,
+			  ctx->buf_height);
 	}
 	return 0;
 }
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_enc.c b/drivers/media/platform/s5p-mfc/s5p_mfc_enc.c
index fcc2e054c61f..e39d9e06e299 100644
--- a/drivers/media/platform/s5p-mfc/s5p_mfc_enc.c
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc_enc.c
@@ -1268,7 +1268,7 @@ static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *buf)
 	int ret;
 
 	if (ctx->state == MFCINST_ERROR) {
-		mfc_err("Call on DQBUF after unrecoverable error\n");
+		mfc_err_limited("Call on DQBUF after unrecoverable error\n");
 		return -EIO;
 	}
 	if (buf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_opr.c b/drivers/media/platform/s5p-mfc/s5p_mfc_opr.c
index 1e7250260a9a..99f65a92a6be 100644
--- a/drivers/media/platform/s5p-mfc/s5p_mfc_opr.c
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc_opr.c
@@ -45,13 +45,13 @@ int s5p_mfc_alloc_priv_buf(struct device *dev, dma_addr_t base,
 	b->virt = dma_alloc_coherent(dev, b->size, &b->dma, GFP_KERNEL);
 
 	if (!b->virt) {
-		mfc_err("Allocating private buffer failed\n");
+		mfc_err("Allocating private buffer of size %zu failed\n",
+			b->size);
 		return -ENOMEM;
 	}
 
 	if (b->dma < base) {
-		mfc_err("Invaling memory configuration!\n");
-		mfc_err("Allocated buffer (%pad) is lower than memory base address (%pad)\n",
+		mfc_err("Invalid memory configuration - buffer (%pad) is below base memory address(%pad)\n",
 			&b->dma, &base);
 		dma_free_coherent(dev, b->size, b->virt, b->dma);
 		return -ENOMEM;
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v5.c b/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v5.c
index 81e1e4ce6c24..f4301d5bbd32 100644
--- a/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v5.c
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v5.c
@@ -1293,14 +1293,11 @@ static int s5p_mfc_run_init_dec_buffers(struct s5p_mfc_ctx *ctx)
 	 * First set the output frame buffers
 	 */
 	if (ctx->capture_state != QUEUE_BUFS_MMAPED) {
-		mfc_err("It seems that not all destionation buffers were "
-			"mmaped\nMFC requires that all destination are mmaped "
-			"before starting processing\n");
+		mfc_err("It seems that not all destionation buffers were mmaped\nMFC requires that all destination are mmaped before starting processing\n");
 		return -EAGAIN;
 	}
 	if (list_empty(&ctx->src_queue)) {
-		mfc_err("Header has been deallocated in the middle of"
-			" initialization\n");
+		mfc_err("Header has been deallocated in the middle of initialization\n");
 		return -EIO;
 	}
 	temp_vb = list_entry(ctx->src_queue.next, struct s5p_mfc_buf, list);
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_pm.c b/drivers/media/platform/s5p-mfc/s5p_mfc_pm.c
index 930dc2dddae6..eb85cedc5ef3 100644
--- a/drivers/media/platform/s5p-mfc/s5p_mfc_pm.c
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc_pm.c
@@ -18,129 +18,101 @@
 #include "s5p_mfc_debug.h"
 #include "s5p_mfc_pm.h"
 
-#define MFC_GATE_CLK_NAME	"mfc"
-#define MFC_SCLK_NAME		"sclk_mfc"
-#define MFC_SCLK_RATE		(200 * 1000000)
-
-#define CLK_DEBUG
-
 static struct s5p_mfc_pm *pm;
 static struct s5p_mfc_dev *p_dev;
-
-#ifdef CLK_DEBUG
 static atomic_t clk_ref;
-#endif
 
 int s5p_mfc_init_pm(struct s5p_mfc_dev *dev)
 {
-	int ret = 0;
+	int i;
 
 	pm = &dev->pm;
 	p_dev = dev;
-	pm->clock_gate = clk_get(&dev->plat_dev->dev, MFC_GATE_CLK_NAME);
-	if (IS_ERR(pm->clock_gate)) {
-		mfc_err("Failed to get clock-gating control\n");
-		ret = PTR_ERR(pm->clock_gate);
-		goto err_g_ip_clk;
-	}
 
-	ret = clk_prepare(pm->clock_gate);
-	if (ret) {
-		mfc_err("Failed to prepare clock-gating control\n");
-		goto err_p_ip_clk;
-	}
+	pm->num_clocks = dev->variant->num_clocks;
+	pm->clk_names = dev->variant->clk_names;
+	pm->device = &dev->plat_dev->dev;
+	pm->clock_gate = NULL;
 
-	if (dev->variant->version != MFC_VERSION_V6) {
-		pm->clock = clk_get(&dev->plat_dev->dev, MFC_SCLK_NAME);
-		if (IS_ERR(pm->clock)) {
-			mfc_info("Failed to get MFC special clock control\n");
-			pm->clock = NULL;
-		} else {
-			clk_set_rate(pm->clock, MFC_SCLK_RATE);
-			ret = clk_prepare_enable(pm->clock);
-			if (ret) {
-				mfc_err("Failed to enable MFC special clock\n");
-				goto err_s_clk;
-			}
+	/* clock control */
+	for (i = 0; i < pm->num_clocks; i++) {
+		pm->clocks[i] = devm_clk_get(pm->device, pm->clk_names[i]);
+		if (IS_ERR(pm->clocks[i])) {
+			mfc_err("Failed to get clock: %s\n",
+				pm->clk_names[i]);
+			return PTR_ERR(pm->clocks[i]);
 		}
 	}
 
-	atomic_set(&pm->power, 0);
-#ifdef CONFIG_PM
-	pm->device = &dev->plat_dev->dev;
+	if (dev->variant->use_clock_gating)
+		pm->clock_gate = pm->clocks[0];
+
 	pm_runtime_enable(pm->device);
-#endif
-#ifdef CLK_DEBUG
 	atomic_set(&clk_ref, 0);
-#endif
 	return 0;
-
-err_s_clk:
-	clk_put(pm->clock);
-	pm->clock = NULL;
-err_p_ip_clk:
-	clk_put(pm->clock_gate);
-	pm->clock_gate = NULL;
-err_g_ip_clk:
-	return ret;
 }
 
 void s5p_mfc_final_pm(struct s5p_mfc_dev *dev)
 {
-	if (dev->variant->version != MFC_VERSION_V6 &&
-	    pm->clock) {
-		clk_disable_unprepare(pm->clock);
-		clk_put(pm->clock);
-		pm->clock = NULL;
-	}
-	clk_unprepare(pm->clock_gate);
-	clk_put(pm->clock_gate);
-	pm->clock_gate = NULL;
-#ifdef CONFIG_PM
 	pm_runtime_disable(pm->device);
-#endif
 }
 
 int s5p_mfc_clock_on(void)
 {
-	int ret = 0;
-#ifdef CLK_DEBUG
 	atomic_inc(&clk_ref);
 	mfc_debug(3, "+ %d\n", atomic_read(&clk_ref));
-#endif
-	if (!IS_ERR_OR_NULL(pm->clock_gate))
-		ret = clk_enable(pm->clock_gate);
-	return ret;
+
+	return clk_enable(pm->clock_gate);
 }
 
 void s5p_mfc_clock_off(void)
 {
-#ifdef CLK_DEBUG
 	atomic_dec(&clk_ref);
 	mfc_debug(3, "- %d\n", atomic_read(&clk_ref));
-#endif
-	if (!IS_ERR_OR_NULL(pm->clock_gate))
-		clk_disable(pm->clock_gate);
+
+	clk_disable(pm->clock_gate);
 }
 
 int s5p_mfc_power_on(void)
 {
-#ifdef CONFIG_PM
-	return pm_runtime_get_sync(pm->device);
-#else
-	atomic_set(&pm->power, 1);
+	int i, ret = 0;
+
+	ret = pm_runtime_get_sync(pm->device);
+	if (ret < 0)
+		return ret;
+
+	/* clock control */
+	for (i = 0; i < pm->num_clocks; i++) {
+		ret = clk_prepare_enable(pm->clocks[i]);
+		if (ret < 0) {
+			mfc_err("clock prepare failed for clock: %s\n",
+				pm->clk_names[i]);
+			i++;
+			goto err;
+		}
+	}
+
+	/* prepare for software clock gating */
+	clk_disable(pm->clock_gate);
+
 	return 0;
-#endif
+err:
+	while (--i > 0)
+		clk_disable_unprepare(pm->clocks[i]);
+	pm_runtime_put(pm->device);
+	return ret;
 }
 
 int s5p_mfc_power_off(void)
 {
-#ifdef CONFIG_PM
+	int i;
+
+	/* finish software clock gating */
+	clk_enable(pm->clock_gate);
+
+	for (i = 0; i < pm->num_clocks; i++)
+		clk_disable_unprepare(pm->clocks[i]);
+
 	return pm_runtime_put_sync(pm->device);
-#else
-	atomic_set(&pm->power, 0);
-	return 0;
-#endif
 }
 
-
diff --git a/drivers/media/platform/sti/bdisp/bdisp-v4l2.c b/drivers/media/platform/sti/bdisp/bdisp-v4l2.c
index 45f82b5ddd77..823608112d89 100644
--- a/drivers/media/platform/sti/bdisp/bdisp-v4l2.c
+++ b/drivers/media/platform/sti/bdisp/bdisp-v4l2.c
@@ -1337,6 +1337,7 @@ static int bdisp_probe(struct platform_device *pdev)
 	res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
 	if (!res) {
 		dev_err(dev, "failed to get IRQ resource\n");
+		ret = -EINVAL;
 		goto err_clk;
 	}
 
diff --git a/drivers/media/platform/sti/c8sectpfe/c8sectpfe-core.c b/drivers/media/platform/sti/c8sectpfe/c8sectpfe-core.c
index 30c148b9d65e..7652ce2ec1dc 100644
--- a/drivers/media/platform/sti/c8sectpfe/c8sectpfe-core.c
+++ b/drivers/media/platform/sti/c8sectpfe/c8sectpfe-core.c
@@ -112,8 +112,7 @@ static void channel_swdemux_tsklet(unsigned long data)
 	buf = (u8 *) channel->back_buffer_aligned;
 
 	dev_dbg(fei->dev,
-		"chan=%d channel=%p num_packets = %d, buf = %p, pos = 0x%x\n\t"
-		"rp=0x%lx, wp=0x%lx\n",
+		"chan=%d channel=%p num_packets = %d, buf = %p, pos = 0x%x\n\trp=0x%lx, wp=0x%lx\n",
 		channel->tsin_id, channel, num_packets, buf, pos, rp, wp);
 
 	for (n = 0; n < num_packets; n++) {
@@ -789,8 +788,7 @@ static int c8sectpfe_probe(struct platform_device *pdev)
 		/* sanity check value */
 		if (tsin->tsin_id > fei->hw_stats.num_ib) {
 			dev_err(&pdev->dev,
-				"tsin-num %d specified greater than number\n\t"
-				"of input block hw in SoC! (%d)",
+				"tsin-num %d specified greater than number\n\tof input block hw in SoC! (%d)",
 				tsin->tsin_id, fei->hw_stats.num_ib);
 			ret = -EINVAL;
 			goto err_clk_disable;
@@ -815,6 +813,7 @@ static int c8sectpfe_probe(struct platform_device *pdev)
 		i2c_bus = of_parse_phandle(child, "i2c-bus", 0);
 		if (!i2c_bus) {
 			dev_err(&pdev->dev, "No i2c-bus found\n");
+			ret = -ENODEV;
 			goto err_clk_disable;
 		}
 		tsin->i2c_adapter =
@@ -822,6 +821,7 @@ static int c8sectpfe_probe(struct platform_device *pdev)
 		if (!tsin->i2c_adapter) {
 			dev_err(&pdev->dev, "No i2c adapter found\n");
 			of_node_put(i2c_bus);
+			ret = -ENODEV;
 			goto err_clk_disable;
 		}
 		of_node_put(i2c_bus);
@@ -855,8 +855,7 @@ static int c8sectpfe_probe(struct platform_device *pdev)
 		tsin->demux_mapping = index;
 
 		dev_dbg(fei->dev,
-			"channel=%p n=%d tsin_num=%d, invert-ts-clk=%d\n\t"
-			"serial-not-parallel=%d pkt-clk-valid=%d dvb-card=%d\n",
+			"channel=%p n=%d tsin_num=%d, invert-ts-clk=%d\n\tserial-not-parallel=%d pkt-clk-valid=%d dvb-card=%d\n",
 			fei->channel_data[index], index,
 			tsin->tsin_id, tsin->invert_ts_clk,
 			tsin->serial_not_parallel, tsin->async_not_sync,
@@ -888,8 +887,7 @@ static int c8sectpfe_probe(struct platform_device *pdev)
 	return 0;
 
 err_clk_disable:
-	/* TODO uncomment when upstream has taken a reference on this clk */
-	/*clk_disable_unprepare(fei->c8sectpfeclk);*/
+	clk_disable_unprepare(fei->c8sectpfeclk);
 	return ret;
 }
 
@@ -924,11 +922,8 @@ static int c8sectpfe_remove(struct platform_device *pdev)
 	if (readl(fei->io + SYS_OTHER_CLKEN))
 		writel(0, fei->io + SYS_OTHER_CLKEN);
 
-	/* TODO uncomment when upstream has taken a reference on this clk */
-	/*
 	if (fei->c8sectpfeclk)
 		clk_disable_unprepare(fei->c8sectpfeclk);
-	*/
 
 	return 0;
 }
@@ -1045,8 +1040,8 @@ static void load_imem_segment(struct c8sectpfei *fei, Elf32_Phdr *phdr,
 	 */
 
 	dev_dbg(fei->dev,
-		"Loading IMEM segment %d 0x%08x\n\t"
-		" (0x%x bytes) -> 0x%p (0x%x bytes)\n", seg_num,
+		"Loading IMEM segment %d 0x%08x\n\t (0x%x bytes) -> 0x%p (0x%x bytes)\n",
+seg_num,
 		phdr->p_paddr, phdr->p_filesz,
 		dest, phdr->p_memsz + phdr->p_memsz / 3);
 
@@ -1075,8 +1070,7 @@ static void load_dmem_segment(struct c8sectpfei *fei, Elf32_Phdr *phdr,
 	 */
 
 	dev_dbg(fei->dev,
-		"Loading DMEM segment %d 0x%08x\n\t"
-		"(0x%x bytes) -> 0x%p (0x%x bytes)\n",
+		"Loading DMEM segment %d 0x%08x\n\t(0x%x bytes) -> 0x%p (0x%x bytes)\n",
 		seg_num, phdr->p_paddr, phdr->p_filesz,
 		dst, phdr->p_memsz);
 
diff --git a/drivers/media/platform/sti/hva/hva-hw.c b/drivers/media/platform/sti/hva/hva-hw.c
index d341d4994528..68d625b412b6 100644
--- a/drivers/media/platform/sti/hva/hva-hw.c
+++ b/drivers/media/platform/sti/hva/hva-hw.c
@@ -245,7 +245,7 @@ static irqreturn_t hva_hw_err_irq_thread(int irq, void *arg)
 		ctx->hw_err = true;
 	}
 
-	if (hva->lmi_err_reg) {
+	if (hva->emi_err_reg) {
 		dev_err(dev, "%s     external memory interface error: 0x%08x\n",
 			ctx->name, hva->emi_err_reg);
 		ctx->hw_err = true;
@@ -305,16 +305,16 @@ int hva_hw_probe(struct platform_device *pdev, struct hva_dev *hva)
 	/* get memory for registers */
 	regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	hva->regs = devm_ioremap_resource(dev, regs);
-	if (IS_ERR_OR_NULL(hva->regs)) {
+	if (IS_ERR(hva->regs)) {
 		dev_err(dev, "%s     failed to get regs\n", HVA_PREFIX);
 		return PTR_ERR(hva->regs);
 	}
 
 	/* get memory for esram */
 	esram = platform_get_resource(pdev, IORESOURCE_MEM, 1);
-	if (IS_ERR_OR_NULL(esram)) {
+	if (!esram) {
 		dev_err(dev, "%s     failed to get esram\n", HVA_PREFIX);
-		return PTR_ERR(esram);
+		return -ENODEV;
 	}
 	hva->esram_addr = esram->start;
 	hva->esram_size = resource_size(esram);
diff --git a/drivers/media/platform/ti-vpe/Makefile b/drivers/media/platform/ti-vpe/Makefile
index e236059a60ad..32504b724b5d 100644
--- a/drivers/media/platform/ti-vpe/Makefile
+++ b/drivers/media/platform/ti-vpe/Makefile
@@ -1,6 +1,12 @@
 obj-$(CONFIG_VIDEO_TI_VPE) += ti-vpe.o
-
-ti-vpe-y := vpe.o sc.o csc.o vpdma.o
+obj-$(CONFIG_VIDEO_TI_VPDMA) += ti-vpdma.o
+obj-$(CONFIG_VIDEO_TI_SC) += ti-sc.o
+obj-$(CONFIG_VIDEO_TI_CSC) += ti-csc.o
+
+ti-vpe-y := vpe.o
+ti-vpdma-y := vpdma.o
+ti-sc-y := sc.o
+ti-csc-y := csc.o
 
 ccflags-$(CONFIG_VIDEO_TI_VPE_DEBUG) += -DDEBUG
 
diff --git a/drivers/media/platform/ti-vpe/cal.c b/drivers/media/platform/ti-vpe/cal.c
index 44323cb5d287..7a058b6e03d0 100644
--- a/drivers/media/platform/ti-vpe/cal.c
+++ b/drivers/media/platform/ti-vpe/cal.c
@@ -483,11 +483,7 @@ static void cal_get_hwinfo(struct cal_dev *dev)
 
 static inline int cal_runtime_get(struct cal_dev *dev)
 {
-	int r;
-
-	r = pm_runtime_get_sync(&dev->pdev->dev);
-
-	return r;
+	return pm_runtime_get_sync(&dev->pdev->dev);
 }
 
 static inline void cal_runtime_put(struct cal_dev *dev)
@@ -1749,13 +1745,13 @@ static int of_cal_create_instance(struct cal_ctx *ctx, int inst)
 	}
 
 cleanup_exit:
-	if (!remote_ep)
+	if (remote_ep)
 		of_node_put(remote_ep);
-	if (!sensor_node)
+	if (sensor_node)
 		of_node_put(sensor_node);
-	if (!ep_node)
+	if (ep_node)
 		of_node_put(ep_node);
-	if (!port)
+	if (port)
 		of_node_put(port);
 
 	return ret;
diff --git a/drivers/media/platform/ti-vpe/csc.c b/drivers/media/platform/ti-vpe/csc.c
index bec674994752..44b8465cf101 100644
--- a/drivers/media/platform/ti-vpe/csc.c
+++ b/drivers/media/platform/ti-vpe/csc.c
@@ -14,6 +14,7 @@
 
 #include <linux/err.h>
 #include <linux/io.h>
+#include <linux/module.h>
 #include <linux/platform_device.h>
 #include <linux/slab.h>
 #include <linux/videodev2.h>
@@ -96,6 +97,8 @@ void csc_dump_regs(struct csc_data *csc)
 #define DUMPREG(r) dev_dbg(dev, "%-35s %08x\n", #r, \
 	ioread32(csc->base + CSC_##r))
 
+	dev_dbg(dev, "CSC Registers @ %pa:\n", &csc->res->start);
+
 	DUMPREG(CSC00);
 	DUMPREG(CSC01);
 	DUMPREG(CSC02);
@@ -105,11 +108,13 @@ void csc_dump_regs(struct csc_data *csc)
 
 #undef DUMPREG
 }
+EXPORT_SYMBOL(csc_dump_regs);
 
 void csc_set_coeff_bypass(struct csc_data *csc, u32 *csc_reg5)
 {
 	*csc_reg5 |= CSC_BYPASS;
 }
+EXPORT_SYMBOL(csc_set_coeff_bypass);
 
 /*
  * set the color space converter coefficient shadow register values
@@ -160,8 +165,9 @@ void csc_set_coeff(struct csc_data *csc, u32 *csc_reg0,
 	for (; coeff < end_coeff; coeff += 2)
 		*shadow_csc++ = (*(coeff + 1) << 16) | *coeff;
 }
+EXPORT_SYMBOL(csc_set_coeff);
 
-struct csc_data *csc_create(struct platform_device *pdev)
+struct csc_data *csc_create(struct platform_device *pdev, const char *res_name)
 {
 	struct csc_data *csc;
 
@@ -176,9 +182,10 @@ struct csc_data *csc_create(struct platform_device *pdev)
 	csc->pdev = pdev;
 
 	csc->res = platform_get_resource_byname(pdev, IORESOURCE_MEM,
-			"csc");
+						res_name);
 	if (csc->res == NULL) {
-		dev_err(&pdev->dev, "missing platform resources data\n");
+		dev_err(&pdev->dev, "missing '%s' platform resources data\n",
+			res_name);
 		return ERR_PTR(-ENODEV);
 	}
 
@@ -190,3 +197,8 @@ struct csc_data *csc_create(struct platform_device *pdev)
 
 	return csc;
 }
+EXPORT_SYMBOL(csc_create);
+
+MODULE_DESCRIPTION("TI VIP/VPE Color Space Converter");
+MODULE_AUTHOR("Texas Instruments Inc.");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/media/platform/ti-vpe/csc.h b/drivers/media/platform/ti-vpe/csc.h
index 1ad2b6dad561..024700b15152 100644
--- a/drivers/media/platform/ti-vpe/csc.h
+++ b/drivers/media/platform/ti-vpe/csc.h
@@ -63,6 +63,6 @@ void csc_set_coeff_bypass(struct csc_data *csc, u32 *csc_reg5);
 void csc_set_coeff(struct csc_data *csc, u32 *csc_reg0,
 		enum v4l2_colorspace src_colorspace,
 		enum v4l2_colorspace dst_colorspace);
-struct csc_data *csc_create(struct platform_device *pdev);
+struct csc_data *csc_create(struct platform_device *pdev, const char *res_name);
 
 #endif
diff --git a/drivers/media/platform/ti-vpe/sc.c b/drivers/media/platform/ti-vpe/sc.c
index f82d1c7f667f..e9273b713782 100644
--- a/drivers/media/platform/ti-vpe/sc.c
+++ b/drivers/media/platform/ti-vpe/sc.c
@@ -14,6 +14,7 @@
 
 #include <linux/err.h>
 #include <linux/io.h>
+#include <linux/module.h>
 #include <linux/platform_device.h>
 #include <linux/slab.h>
 
@@ -27,6 +28,8 @@ void sc_dump_regs(struct sc_data *sc)
 #define DUMPREG(r) dev_dbg(dev, "%-35s %08x\n", #r, \
 	ioread32(sc->base + CFG_##r))
 
+	dev_dbg(dev, "SC Registers @ %pa:\n", &sc->res->start);
+
 	DUMPREG(SC0);
 	DUMPREG(SC1);
 	DUMPREG(SC2);
@@ -52,6 +55,7 @@ void sc_dump_regs(struct sc_data *sc)
 
 #undef DUMPREG
 }
+EXPORT_SYMBOL(sc_dump_regs);
 
 /*
  * set the horizontal scaler coefficients according to the ratio of output to
@@ -84,9 +88,6 @@ void sc_set_hs_coeffs(struct sc_data *sc, void *addr, unsigned int src_w,
 		}
 	}
 
-	if (idx == sc->hs_index)
-		return;
-
 	cp = scaler_hs_coeffs[idx];
 
 	for (i = 0; i < SC_NUM_PHASES * 2; i++) {
@@ -101,10 +102,9 @@ void sc_set_hs_coeffs(struct sc_data *sc, void *addr, unsigned int src_w,
 		coeff_h += SC_NUM_TAPS_MEM_ALIGN - SC_H_NUM_TAPS;
 	}
 
-	sc->hs_index = idx;
-
 	sc->load_coeff_h = true;
 }
+EXPORT_SYMBOL(sc_set_hs_coeffs);
 
 /*
  * set the vertical scaler coefficients according to the ratio of output to
@@ -130,9 +130,6 @@ void sc_set_vs_coeffs(struct sc_data *sc, void *addr, unsigned int src_h,
 		idx = VS_LT_9_16_SCALE + sixteenths - 8;
 	}
 
-	if (idx == sc->vs_index)
-		return;
-
 	cp = scaler_vs_coeffs[idx];
 
 	for (i = 0; i < SC_NUM_PHASES * 2; i++) {
@@ -146,9 +143,9 @@ void sc_set_vs_coeffs(struct sc_data *sc, void *addr, unsigned int src_h,
 		coeff_v += SC_NUM_TAPS_MEM_ALIGN - SC_V_NUM_TAPS;
 	}
 
-	sc->vs_index = idx;
 	sc->load_coeff_v = true;
 }
+EXPORT_SYMBOL(sc_set_vs_coeffs);
 
 void sc_config_scaler(struct sc_data *sc, u32 *sc_reg0, u32 *sc_reg8,
 		u32 *sc_reg17, unsigned int src_w, unsigned int src_h,
@@ -276,8 +273,9 @@ void sc_config_scaler(struct sc_data *sc, u32 *sc_reg0, u32 *sc_reg8,
 
 	*sc_reg24 = (src_w << CFG_ORG_W_SHIFT) | (src_h << CFG_ORG_H_SHIFT);
 }
+EXPORT_SYMBOL(sc_config_scaler);
 
-struct sc_data *sc_create(struct platform_device *pdev)
+struct sc_data *sc_create(struct platform_device *pdev, const char *res_name)
 {
 	struct sc_data *sc;
 
@@ -291,9 +289,10 @@ struct sc_data *sc_create(struct platform_device *pdev)
 
 	sc->pdev = pdev;
 
-	sc->res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "sc");
+	sc->res = platform_get_resource_byname(pdev, IORESOURCE_MEM, res_name);
 	if (!sc->res) {
-		dev_err(&pdev->dev, "missing platform resources data\n");
+		dev_err(&pdev->dev, "missing '%s' platform resources data\n",
+			res_name);
 		return ERR_PTR(-ENODEV);
 	}
 
@@ -305,3 +304,8 @@ struct sc_data *sc_create(struct platform_device *pdev)
 
 	return sc;
 }
+EXPORT_SYMBOL(sc_create);
+
+MODULE_DESCRIPTION("TI VIP/VPE Scaler");
+MODULE_AUTHOR("Texas Instruments Inc.");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/media/platform/ti-vpe/sc.h b/drivers/media/platform/ti-vpe/sc.h
index 60e411e05c30..f1fe80b38c9f 100644
--- a/drivers/media/platform/ti-vpe/sc.h
+++ b/drivers/media/platform/ti-vpe/sc.h
@@ -173,6 +173,12 @@
 /* number of taps expected by the scaler in it's coefficient memory */
 #define SC_NUM_TAPS_MEM_ALIGN		8
 
+/* Maximum frame width the scaler can handle (in pixels) */
+#define SC_MAX_PIXEL_WIDTH		2047
+
+/* Maximum frame height the scaler can handle (in lines) */
+#define SC_MAX_PIXEL_HEIGHT		2047
+
 /*
  * coefficient memory size in bytes:
  * num phases x num sets(luma and chroma) x num taps(aligned) x coeff size
@@ -189,9 +195,6 @@ struct sc_data {
 	bool			load_coeff_h;	/* have new h SC coeffs */
 	bool			load_coeff_v;	/* have new v SC coeffs */
 
-	unsigned int		hs_index;	/* h SC coeffs selector */
-	unsigned int		vs_index;	/* v SC coeffs selector */
-
 	struct platform_device *pdev;
 };
 
@@ -203,6 +206,6 @@ void sc_set_vs_coeffs(struct sc_data *sc, void *addr, unsigned int src_h,
 void sc_config_scaler(struct sc_data *sc, u32 *sc_reg0, u32 *sc_reg8,
 		u32 *sc_reg17, unsigned int src_w, unsigned int src_h,
 		unsigned int dst_w, unsigned int dst_h);
-struct sc_data *sc_create(struct platform_device *pdev);
+struct sc_data *sc_create(struct platform_device *pdev, const char *res_name);
 
 #endif
diff --git a/drivers/media/platform/ti-vpe/vpdma.c b/drivers/media/platform/ti-vpe/vpdma.c
index 3e2e3a33e6ed..13bfd7184160 100644
--- a/drivers/media/platform/ti-vpe/vpdma.c
+++ b/drivers/media/platform/ti-vpe/vpdma.c
@@ -59,9 +59,9 @@ const struct vpdma_data_format vpdma_yuv_fmts[] = {
 		.data_type	= DATA_TYPE_C420,
 		.depth		= 4,
 	},
-	[VPDMA_DATA_FMT_YC422] = {
+	[VPDMA_DATA_FMT_YCR422] = {
 		.type		= VPDMA_DATA_FMT_TYPE_YUV,
-		.data_type	= DATA_TYPE_YC422,
+		.data_type	= DATA_TYPE_YCR422,
 		.depth		= 16,
 	},
 	[VPDMA_DATA_FMT_YC444] = {
@@ -69,12 +69,23 @@ const struct vpdma_data_format vpdma_yuv_fmts[] = {
 		.data_type	= DATA_TYPE_YC444,
 		.depth		= 24,
 	},
-	[VPDMA_DATA_FMT_CY422] = {
+	[VPDMA_DATA_FMT_CRY422] = {
 		.type		= VPDMA_DATA_FMT_TYPE_YUV,
-		.data_type	= DATA_TYPE_CY422,
+		.data_type	= DATA_TYPE_CRY422,
+		.depth		= 16,
+	},
+	[VPDMA_DATA_FMT_CBY422] = {
+		.type		= VPDMA_DATA_FMT_TYPE_YUV,
+		.data_type	= DATA_TYPE_CBY422,
+		.depth		= 16,
+	},
+	[VPDMA_DATA_FMT_YCB422] = {
+		.type		= VPDMA_DATA_FMT_TYPE_YUV,
+		.data_type	= DATA_TYPE_YCB422,
 		.depth		= 16,
 	},
 };
+EXPORT_SYMBOL(vpdma_yuv_fmts);
 
 const struct vpdma_data_format vpdma_rgb_fmts[] = {
 	[VPDMA_DATA_FMT_RGB565] = {
@@ -178,6 +189,30 @@ const struct vpdma_data_format vpdma_rgb_fmts[] = {
 		.depth		= 32,
 	},
 };
+EXPORT_SYMBOL(vpdma_rgb_fmts);
+
+/*
+ * To handle RAW format we are re-using the CBY422
+ * vpdma data type so that we use the vpdma to re-order
+ * the incoming bytes, as the parser assumes that the
+ * first byte presented on the bus is the MSB of a 2
+ * bytes value.
+ * RAW8 handles from 1 to 8 bits
+ * RAW16 handles from 9 to 16 bits
+ */
+const struct vpdma_data_format vpdma_raw_fmts[] = {
+	[VPDMA_DATA_FMT_RAW8] = {
+		.type		= VPDMA_DATA_FMT_TYPE_YUV,
+		.data_type	= DATA_TYPE_CBY422,
+		.depth		= 8,
+	},
+	[VPDMA_DATA_FMT_RAW16] = {
+		.type		= VPDMA_DATA_FMT_TYPE_YUV,
+		.data_type	= DATA_TYPE_CBY422,
+		.depth		= 16,
+	},
+};
+EXPORT_SYMBOL(vpdma_raw_fmts);
 
 const struct vpdma_data_format vpdma_misc_fmts[] = {
 	[VPDMA_DATA_FMT_MV] = {
@@ -186,6 +221,7 @@ const struct vpdma_data_format vpdma_misc_fmts[] = {
 		.depth		= 4,
 	},
 };
+EXPORT_SYMBOL(vpdma_misc_fmts);
 
 struct vpdma_channel_info {
 	int num;		/* VPDMA channel number */
@@ -317,6 +353,7 @@ void vpdma_dump_regs(struct vpdma_data *vpdma)
 	DUMPREG(VIP_UP_UV_CSTAT);
 	DUMPREG(VPI_CTL_CSTAT);
 }
+EXPORT_SYMBOL(vpdma_dump_regs);
 
 /*
  * Allocate a DMA buffer
@@ -333,6 +370,7 @@ int vpdma_alloc_desc_buf(struct vpdma_buf *buf, size_t size)
 
 	return 0;
 }
+EXPORT_SYMBOL(vpdma_alloc_desc_buf);
 
 void vpdma_free_desc_buf(struct vpdma_buf *buf)
 {
@@ -341,6 +379,7 @@ void vpdma_free_desc_buf(struct vpdma_buf *buf)
 	buf->addr = NULL;
 	buf->size = 0;
 }
+EXPORT_SYMBOL(vpdma_free_desc_buf);
 
 /*
  * map descriptor/payload DMA buffer, enabling DMA access
@@ -351,7 +390,7 @@ int vpdma_map_desc_buf(struct vpdma_data *vpdma, struct vpdma_buf *buf)
 
 	WARN_ON(buf->mapped);
 	buf->dma_addr = dma_map_single(dev, buf->addr, buf->size,
-				DMA_TO_DEVICE);
+				DMA_BIDIRECTIONAL);
 	if (dma_mapping_error(dev, buf->dma_addr)) {
 		dev_err(dev, "failed to map buffer\n");
 		return -EINVAL;
@@ -361,6 +400,7 @@ int vpdma_map_desc_buf(struct vpdma_data *vpdma, struct vpdma_buf *buf)
 
 	return 0;
 }
+EXPORT_SYMBOL(vpdma_map_desc_buf);
 
 /*
  * unmap descriptor/payload DMA buffer, disabling DMA access and
@@ -371,10 +411,62 @@ void vpdma_unmap_desc_buf(struct vpdma_data *vpdma, struct vpdma_buf *buf)
 	struct device *dev = &vpdma->pdev->dev;
 
 	if (buf->mapped)
-		dma_unmap_single(dev, buf->dma_addr, buf->size, DMA_TO_DEVICE);
+		dma_unmap_single(dev, buf->dma_addr, buf->size,
+				DMA_BIDIRECTIONAL);
 
 	buf->mapped = false;
 }
+EXPORT_SYMBOL(vpdma_unmap_desc_buf);
+
+/*
+ * Cleanup all pending descriptors of a list
+ * First, stop the current list being processed.
+ * If the VPDMA was busy, this step makes vpdma to accept post lists.
+ * To cleanup the internal FSM, post abort list descriptor for all the
+ * channels from @channels array of size @size.
+ */
+int vpdma_list_cleanup(struct vpdma_data *vpdma, int list_num,
+		int *channels, int size)
+{
+	struct vpdma_desc_list abort_list;
+	int i, ret, timeout = 500;
+
+	write_reg(vpdma, VPDMA_LIST_ATTR,
+			(list_num << VPDMA_LIST_NUM_SHFT) |
+			(1 << VPDMA_LIST_STOP_SHFT));
+
+	if (size <= 0 || !channels)
+		return 0;
+
+	ret = vpdma_create_desc_list(&abort_list,
+		size * sizeof(struct vpdma_dtd), VPDMA_LIST_TYPE_NORMAL);
+	if (ret)
+		return ret;
+
+	for (i = 0; i < size; i++)
+		vpdma_add_abort_channel_ctd(&abort_list, channels[i]);
+
+	ret = vpdma_map_desc_buf(vpdma, &abort_list.buf);
+	if (ret)
+		return ret;
+	ret = vpdma_submit_descs(vpdma, &abort_list, list_num);
+	if (ret)
+		return ret;
+
+	while (vpdma_list_busy(vpdma, list_num) && timeout--)
+		;
+
+	if (timeout == 0) {
+		dev_err(&vpdma->pdev->dev, "Timed out cleaning up VPDMA list\n");
+		return -EBUSY;
+	}
+
+	vpdma_unmap_desc_buf(vpdma, &abort_list.buf);
+	vpdma_free_desc_buf(&abort_list.buf);
+
+	return 0;
+}
+EXPORT_SYMBOL(vpdma_list_cleanup);
 
 /*
  * create a descriptor list, the user of this list will append configuration,
@@ -396,6 +488,7 @@ int vpdma_create_desc_list(struct vpdma_desc_list *list, size_t size, int type)
 
 	return 0;
 }
+EXPORT_SYMBOL(vpdma_create_desc_list);
 
 /*
  * once a descriptor list is parsed by VPDMA, we reset the list by emptying it,
@@ -405,6 +498,7 @@ void vpdma_reset_desc_list(struct vpdma_desc_list *list)
 {
 	list->next = list->buf.addr;
 }
+EXPORT_SYMBOL(vpdma_reset_desc_list);
 
 /*
  * free the buffer allocated fot the VPDMA descriptor list, this should be
@@ -416,20 +510,22 @@ void vpdma_free_desc_list(struct vpdma_desc_list *list)
 
 	list->next = NULL;
 }
+EXPORT_SYMBOL(vpdma_free_desc_list);
 
-static bool vpdma_list_busy(struct vpdma_data *vpdma, int list_num)
+bool vpdma_list_busy(struct vpdma_data *vpdma, int list_num)
 {
 	return read_reg(vpdma, VPDMA_LIST_STAT_SYNC) & BIT(list_num + 16);
 }
+EXPORT_SYMBOL(vpdma_list_busy);
 
 /*
  * submit a list of DMA descriptors to the VPE VPDMA, do not wait for completion
  */
-int vpdma_submit_descs(struct vpdma_data *vpdma, struct vpdma_desc_list *list)
+int vpdma_submit_descs(struct vpdma_data *vpdma,
+			struct vpdma_desc_list *list, int list_num)
 {
-	/* we always use the first list */
-	int list_num = 0;
 	int list_size;
+	unsigned long flags;
 
 	if (vpdma_list_busy(vpdma, list_num))
 		return -EBUSY;
@@ -437,15 +533,68 @@ int vpdma_submit_descs(struct vpdma_data *vpdma, struct vpdma_desc_list *list)
 	/* 16-byte granularity */
 	list_size = (list->next - list->buf.addr) >> 4;
 
+	spin_lock_irqsave(&vpdma->lock, flags);
 	write_reg(vpdma, VPDMA_LIST_ADDR, (u32) list->buf.dma_addr);
 
 	write_reg(vpdma, VPDMA_LIST_ATTR,
 			(list_num << VPDMA_LIST_NUM_SHFT) |
 			(list->type << VPDMA_LIST_TYPE_SHFT) |
 			list_size);
+	spin_unlock_irqrestore(&vpdma->lock, flags);
 
 	return 0;
 }
+EXPORT_SYMBOL(vpdma_submit_descs);
+
+static void dump_dtd(struct vpdma_dtd *dtd);
+
+void vpdma_update_dma_addr(struct vpdma_data *vpdma,
+	struct vpdma_desc_list *list, dma_addr_t dma_addr,
+	void *write_dtd, int drop, int idx)
+{
+	struct vpdma_dtd *dtd = list->buf.addr;
+	dma_addr_t write_desc_addr;
+	int offset;
+
+	dtd += idx;
+	vpdma_unmap_desc_buf(vpdma, &list->buf);
+
+	dtd->start_addr = dma_addr;
+
+	/* Calculate write address from the offset of write_dtd from start
+	 * of the list->buf
+	 */
+	offset = (void *)write_dtd - list->buf.addr;
+	write_desc_addr = list->buf.dma_addr + offset;
+
+	if (drop)
+		dtd->desc_write_addr = dtd_desc_write_addr(write_desc_addr,
+							   1, 1, 0);
+	else
+		dtd->desc_write_addr = dtd_desc_write_addr(write_desc_addr,
+							   1, 0, 0);
+
+	vpdma_map_desc_buf(vpdma, &list->buf);
+
+	dump_dtd(dtd);
+}
+EXPORT_SYMBOL(vpdma_update_dma_addr);
+
+void vpdma_set_max_size(struct vpdma_data *vpdma, int reg_addr,
+			u32 width, u32 height)
+{
+	if (reg_addr != VPDMA_MAX_SIZE1 && reg_addr != VPDMA_MAX_SIZE2 &&
+	    reg_addr != VPDMA_MAX_SIZE3)
+		reg_addr = VPDMA_MAX_SIZE1;
+
+	write_field_reg(vpdma, reg_addr, width - 1,
+			VPDMA_MAX_SIZE_WIDTH_MASK, VPDMA_MAX_SIZE_WIDTH_SHFT);
+
+	write_field_reg(vpdma, reg_addr, height - 1,
+			VPDMA_MAX_SIZE_HEIGHT_MASK, VPDMA_MAX_SIZE_HEIGHT_SHFT);
+
+}
+EXPORT_SYMBOL(vpdma_set_max_size);
 
 static void dump_cfd(struct vpdma_cfd *cfd)
 {
@@ -466,10 +615,10 @@ static void dump_cfd(struct vpdma_cfd *cfd)
 
 	pr_debug("word2: payload_addr = 0x%08x\n", cfd->payload_addr);
 
-	pr_debug("word3: pkt_type = %d, direct = %d, class = %d, dest = %d, "
-		"payload_len = %d\n", cfd_get_pkt_type(cfd),
-		cfd_get_direct(cfd), class, cfd_get_dest(cfd),
-		cfd_get_payload_len(cfd));
+	pr_debug("word3: pkt_type = %d, direct = %d, class = %d, dest = %d, payload_len = %d\n",
+		 cfd_get_pkt_type(cfd),
+		 cfd_get_direct(cfd), class, cfd_get_dest(cfd),
+		 cfd_get_payload_len(cfd));
 }
 
 /*
@@ -498,6 +647,7 @@ void vpdma_add_cfd_block(struct vpdma_desc_list *list, int client,
 
 	dump_cfd(cfd);
 }
+EXPORT_SYMBOL(vpdma_add_cfd_block);
 
 /*
  * append a configuration descriptor to the given descriptor list, where the
@@ -526,6 +676,7 @@ void vpdma_add_cfd_adb(struct vpdma_desc_list *list, int client,
 
 	dump_cfd(cfd);
 };
+EXPORT_SYMBOL(vpdma_add_cfd_adb);
 
 /*
  * control descriptor format change based on what type of control descriptor it
@@ -563,6 +714,32 @@ void vpdma_add_sync_on_channel_ctd(struct vpdma_desc_list *list,
 
 	dump_ctd(ctd);
 }
+EXPORT_SYMBOL(vpdma_add_sync_on_channel_ctd);
+
+/*
+ * append an 'abort_channel' type control descriptor to the given descriptor
+ * list, this descriptor aborts any DMA transaction happening using the
+ * specified channel
+ */
+void vpdma_add_abort_channel_ctd(struct vpdma_desc_list *list,
+		int chan_num)
+{
+	struct vpdma_ctd *ctd;
+
+	ctd = list->next;
+	WARN_ON((void *)(ctd + 1) > (list->buf.addr + list->buf.size));
+
+	ctd->w0 = 0;
+	ctd->w1 = 0;
+	ctd->w2 = 0;
+	ctd->type_source_ctl = ctd_type_source_ctl(chan_num,
+				CTD_TYPE_ABORT_CHANNEL);
+
+	list->next = ctd + 1;
+
+	dump_ctd(ctd);
+}
+EXPORT_SYMBOL(vpdma_add_abort_channel_ctd);
 
 static void dump_dtd(struct vpdma_dtd *dtd)
 {
@@ -574,8 +751,7 @@ static void dump_dtd(struct vpdma_dtd *dtd)
 	pr_debug("%s data transfer descriptor for channel %d\n",
 		dir == DTD_DIR_OUT ? "outbound" : "inbound", chan);
 
-	pr_debug("word0: data_type = %d, notify = %d, field = %d, 1D = %d, "
-		"even_ln_skp = %d, odd_ln_skp = %d, line_stride = %d\n",
+	pr_debug("word0: data_type = %d, notify = %d, field = %d, 1D = %d, even_ln_skp = %d, odd_ln_skp = %d, line_stride = %d\n",
 		dtd_get_data_type(dtd), dtd_get_notify(dtd), dtd_get_field(dtd),
 		dtd_get_1d(dtd), dtd_get_even_line_skip(dtd),
 		dtd_get_odd_line_skip(dtd), dtd_get_line_stride(dtd));
@@ -586,17 +762,16 @@ static void dump_dtd(struct vpdma_dtd *dtd)
 
 	pr_debug("word2: start_addr = %pad\n", &dtd->start_addr);
 
-	pr_debug("word3: pkt_type = %d, mode = %d, dir = %d, chan = %d, "
-		"pri = %d, next_chan = %d\n", dtd_get_pkt_type(dtd),
-		dtd_get_mode(dtd), dir, chan, dtd_get_priority(dtd),
-		dtd_get_next_chan(dtd));
+	pr_debug("word3: pkt_type = %d, mode = %d, dir = %d, chan = %d, pri = %d, next_chan = %d\n",
+		 dtd_get_pkt_type(dtd),
+		 dtd_get_mode(dtd), dir, chan, dtd_get_priority(dtd),
+		 dtd_get_next_chan(dtd));
 
 	if (dir == DTD_DIR_IN)
 		pr_debug("word4: frame_width = %d, frame_height = %d\n",
 			dtd_get_frame_width(dtd), dtd_get_frame_height(dtd));
 	else
-		pr_debug("word4: desc_write_addr = 0x%08x, write_desc = %d, "
-			"drp_data = %d, use_desc_reg = %d\n",
+		pr_debug("word4: desc_write_addr = 0x%08x, write_desc = %d, drp_data = %d, use_desc_reg = %d\n",
 			dtd_get_desc_write_addr(dtd), dtd_get_write_desc(dtd),
 			dtd_get_drop_data(dtd), dtd_get_use_desc(dtd));
 
@@ -620,13 +795,25 @@ static void dump_dtd(struct vpdma_dtd *dtd)
  * @c_rect: compose params of output image
  * @fmt: vpdma data format of the buffer
  * dma_addr: dma address as seen by VPDMA
+ * max_width: enum for maximum width of data transfer
+ * max_height: enum for maximum height of data transfer
  * chan: VPDMA channel
  * flags: VPDMA flags to configure some descriptor fileds
  */
 void vpdma_add_out_dtd(struct vpdma_desc_list *list, int width,
 		const struct v4l2_rect *c_rect,
 		const struct vpdma_data_format *fmt, dma_addr_t dma_addr,
-		enum vpdma_channel chan, u32 flags)
+		int max_w, int max_h, enum vpdma_channel chan, u32 flags)
+{
+	vpdma_rawchan_add_out_dtd(list, width, c_rect, fmt, dma_addr,
+				  max_w, max_h, chan_info[chan].num, flags);
+}
+EXPORT_SYMBOL(vpdma_add_out_dtd);
+
+void vpdma_rawchan_add_out_dtd(struct vpdma_desc_list *list, int width,
+		const struct v4l2_rect *c_rect,
+		const struct vpdma_data_format *fmt, dma_addr_t dma_addr,
+		int max_w, int max_h, int raw_vpdma_chan, u32 flags)
 {
 	int priority = 0;
 	int field = 0;
@@ -637,7 +824,7 @@ void vpdma_add_out_dtd(struct vpdma_desc_list *list, int width,
 	int stride;
 	struct vpdma_dtd *dtd;
 
-	channel = next_chan = chan_info[chan].num;
+	channel = next_chan = raw_vpdma_chan;
 
 	if (fmt->type == VPDMA_DATA_FMT_TYPE_YUV &&
 			fmt->data_type == DATA_TYPE_C420) {
@@ -665,8 +852,7 @@ void vpdma_add_out_dtd(struct vpdma_desc_list *list, int width,
 	dtd->pkt_ctl = dtd_pkt_ctl(!!(flags & VPDMA_DATA_MODE_TILED),
 				DTD_DIR_OUT, channel, priority, next_chan);
 	dtd->desc_write_addr = dtd_desc_write_addr(0, 0, 0, 0);
-	dtd->max_width_height = dtd_max_width_height(MAX_OUT_WIDTH_1920,
-					MAX_OUT_HEIGHT_1080);
+	dtd->max_width_height = dtd_max_width_height(max_w, max_h);
 	dtd->client_attr0 = 0;
 	dtd->client_attr1 = 0;
 
@@ -674,6 +860,7 @@ void vpdma_add_out_dtd(struct vpdma_desc_list *list, int width,
 
 	dump_dtd(dtd);
 }
+EXPORT_SYMBOL(vpdma_rawchan_add_out_dtd);
 
 /*
  * append an inbound data transfer descriptor to the given descriptor list,
@@ -747,27 +934,105 @@ void vpdma_add_in_dtd(struct vpdma_desc_list *list, int width,
 
 	dump_dtd(dtd);
 }
+EXPORT_SYMBOL(vpdma_add_in_dtd);
+
+int vpdma_hwlist_alloc(struct vpdma_data *vpdma, void *priv)
+{
+	int i, list_num = -1;
+	unsigned long flags;
+
+	spin_lock_irqsave(&vpdma->lock, flags);
+	for (i = 0; i < VPDMA_MAX_NUM_LIST &&
+	    vpdma->hwlist_used[i] == true; i++)
+		;
+
+	if (i < VPDMA_MAX_NUM_LIST) {
+		list_num = i;
+		vpdma->hwlist_used[i] = true;
+		vpdma->hwlist_priv[i] = priv;
+	}
+	spin_unlock_irqrestore(&vpdma->lock, flags);
+
+	return list_num;
+}
+EXPORT_SYMBOL(vpdma_hwlist_alloc);
+
+void *vpdma_hwlist_get_priv(struct vpdma_data *vpdma, int list_num)
+{
+	if (!vpdma || list_num >= VPDMA_MAX_NUM_LIST)
+		return NULL;
+
+	return vpdma->hwlist_priv[list_num];
+}
+EXPORT_SYMBOL(vpdma_hwlist_get_priv);
+
+void *vpdma_hwlist_release(struct vpdma_data *vpdma, int list_num)
+{
+	void *priv;
+	unsigned long flags;
+
+	spin_lock_irqsave(&vpdma->lock, flags);
+	vpdma->hwlist_used[list_num] = false;
+	priv = vpdma->hwlist_priv;
+	spin_unlock_irqrestore(&vpdma->lock, flags);
+
+	return priv;
+}
+EXPORT_SYMBOL(vpdma_hwlist_release);
 
 /* set or clear the mask for list complete interrupt */
-void vpdma_enable_list_complete_irq(struct vpdma_data *vpdma, int list_num,
-		bool enable)
+void vpdma_enable_list_complete_irq(struct vpdma_data *vpdma, int irq_num,
+		int list_num, bool enable)
 {
+	u32 reg_addr = VPDMA_INT_LIST0_MASK + VPDMA_INTX_OFFSET * irq_num;
 	u32 val;
 
-	val = read_reg(vpdma, VPDMA_INT_LIST0_MASK);
+	val = read_reg(vpdma, reg_addr);
 	if (enable)
 		val |= (1 << (list_num * 2));
 	else
 		val &= ~(1 << (list_num * 2));
-	write_reg(vpdma, VPDMA_INT_LIST0_MASK, val);
+	write_reg(vpdma, reg_addr, val);
 }
+EXPORT_SYMBOL(vpdma_enable_list_complete_irq);
+
+/* get the LIST_STAT register */
+unsigned int vpdma_get_list_stat(struct vpdma_data *vpdma, int irq_num)
+{
+	u32 reg_addr = VPDMA_INT_LIST0_STAT + VPDMA_INTX_OFFSET * irq_num;
+
+	return read_reg(vpdma, reg_addr);
+}
+EXPORT_SYMBOL(vpdma_get_list_stat);
+
+/* get the LIST_MASK register */
+unsigned int vpdma_get_list_mask(struct vpdma_data *vpdma, int irq_num)
+{
+	u32 reg_addr = VPDMA_INT_LIST0_MASK + VPDMA_INTX_OFFSET * irq_num;
+
+	return read_reg(vpdma, reg_addr);
+}
+EXPORT_SYMBOL(vpdma_get_list_mask);
 
 /* clear previosuly occured list intterupts in the LIST_STAT register */
-void vpdma_clear_list_stat(struct vpdma_data *vpdma)
+void vpdma_clear_list_stat(struct vpdma_data *vpdma, int irq_num,
+			   int list_num)
+{
+	u32 reg_addr = VPDMA_INT_LIST0_STAT + VPDMA_INTX_OFFSET * irq_num;
+
+	write_reg(vpdma, reg_addr, 3 << (list_num * 2));
+}
+EXPORT_SYMBOL(vpdma_clear_list_stat);
+
+void vpdma_set_bg_color(struct vpdma_data *vpdma,
+		struct vpdma_data_format *fmt, u32 color)
 {
-	write_reg(vpdma, VPDMA_INT_LIST0_STAT,
-		read_reg(vpdma, VPDMA_INT_LIST0_STAT));
+	if (fmt->type == VPDMA_DATA_FMT_TYPE_RGB)
+		write_reg(vpdma, VPDMA_BG_RGB, color);
+	else if (fmt->type == VPDMA_DATA_FMT_TYPE_YUV)
+		write_reg(vpdma, VPDMA_BG_YUV, color);
 }
+EXPORT_SYMBOL(vpdma_set_bg_color);
 
 /*
  * configures the output mode of the line buffer for the given client, the
@@ -782,6 +1047,7 @@ void vpdma_set_line_mode(struct vpdma_data *vpdma, int line_mode,
 	write_field_reg(vpdma, client_cstat, line_mode,
 		VPDMA_CSTAT_LINE_MODE_MASK, VPDMA_CSTAT_LINE_MODE_SHIFT);
 }
+EXPORT_SYMBOL(vpdma_set_line_mode);
 
 /*
  * configures the event which should trigger VPDMA transfer for the given
@@ -796,6 +1062,7 @@ void vpdma_set_frame_start_event(struct vpdma_data *vpdma,
 	write_field_reg(vpdma, client_cstat, fs_event,
 		VPDMA_CSTAT_FRAME_START_MASK, VPDMA_CSTAT_FRAME_START_SHIFT);
 }
+EXPORT_SYMBOL(vpdma_set_frame_start_event);
 
 static void vpdma_firmware_cb(const struct firmware *f, void *context)
 {
@@ -871,42 +1138,40 @@ static int vpdma_load_firmware(struct vpdma_data *vpdma)
 	return 0;
 }
 
-struct vpdma_data *vpdma_create(struct platform_device *pdev,
+int vpdma_create(struct platform_device *pdev, struct vpdma_data *vpdma,
 		void (*cb)(struct platform_device *pdev))
 {
 	struct resource *res;
-	struct vpdma_data *vpdma;
 	int r;
 
 	dev_dbg(&pdev->dev, "vpdma_create\n");
 
-	vpdma = devm_kzalloc(&pdev->dev, sizeof(*vpdma), GFP_KERNEL);
-	if (!vpdma) {
-		dev_err(&pdev->dev, "couldn't alloc vpdma_dev\n");
-		return ERR_PTR(-ENOMEM);
-	}
-
 	vpdma->pdev = pdev;
 	vpdma->cb = cb;
+	spin_lock_init(&vpdma->lock);
 
 	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "vpdma");
 	if (res == NULL) {
 		dev_err(&pdev->dev, "missing platform resources data\n");
-		return ERR_PTR(-ENODEV);
+		return -ENODEV;
 	}
 
 	vpdma->base = devm_ioremap(&pdev->dev, res->start, resource_size(res));
 	if (!vpdma->base) {
 		dev_err(&pdev->dev, "failed to ioremap\n");
-		return ERR_PTR(-ENOMEM);
+		return -ENOMEM;
 	}
 
 	r = vpdma_load_firmware(vpdma);
 	if (r) {
 		pr_err("failed to load firmware %s\n", VPDMA_FIRMWARE);
-		return ERR_PTR(r);
+		return r;
 	}
 
-	return vpdma;
+	return 0;
 }
+EXPORT_SYMBOL(vpdma_create);
+
+MODULE_AUTHOR("Texas Instruments Inc.");
 MODULE_FIRMWARE(VPDMA_FIRMWARE);
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/media/platform/ti-vpe/vpdma.h b/drivers/media/platform/ti-vpe/vpdma.h
index 2bd8fb050381..131700c112b2 100644
--- a/drivers/media/platform/ti-vpe/vpdma.h
+++ b/drivers/media/platform/ti-vpe/vpdma.h
@@ -13,6 +13,7 @@
 #ifndef __TI_VPDMA_H_
 #define __TI_VPDMA_H_
 
+#define VPDMA_MAX_NUM_LIST		8
 /*
  * A vpdma_buf tracks the size, DMA address and mapping status of each
  * driver DMA area.
@@ -35,6 +36,9 @@ struct vpdma_data {
 
 	struct platform_device	*pdev;
 
+	spinlock_t		lock;
+	bool			hwlist_used[VPDMA_MAX_NUM_LIST];
+	void			*hwlist_priv[VPDMA_MAX_NUM_LIST];
 	/* callback to VPE driver when the firmware is loaded */
 	void (*cb)(struct platform_device *pdev);
 };
@@ -70,9 +74,11 @@ enum vpdma_yuv_formats {
 	VPDMA_DATA_FMT_C444,
 	VPDMA_DATA_FMT_C422,
 	VPDMA_DATA_FMT_C420,
-	VPDMA_DATA_FMT_YC422,
+	VPDMA_DATA_FMT_YCR422,
 	VPDMA_DATA_FMT_YC444,
-	VPDMA_DATA_FMT_CY422,
+	VPDMA_DATA_FMT_CRY422,
+	VPDMA_DATA_FMT_CBY422,
+	VPDMA_DATA_FMT_YCB422,
 };
 
 enum vpdma_rgb_formats {
@@ -98,12 +104,18 @@ enum vpdma_rgb_formats {
 	VPDMA_DATA_FMT_BGRA32,
 };
 
+enum vpdma_raw_formats {
+	VPDMA_DATA_FMT_RAW8 = 0,
+	VPDMA_DATA_FMT_RAW16,
+};
+
 enum vpdma_misc_formats {
 	VPDMA_DATA_FMT_MV = 0,
 };
 
 extern const struct vpdma_data_format vpdma_yuv_fmts[];
 extern const struct vpdma_data_format vpdma_rgb_fmts[];
+extern const struct vpdma_data_format vpdma_raw_fmts[];
 extern const struct vpdma_data_format vpdma_misc_fmts[];
 
 enum vpdma_frame_start_event {
@@ -117,6 +129,30 @@ enum vpdma_frame_start_event {
 	VPDMA_FSEVENT_CHANNEL_ACTIVE,
 };
 
+/* max width configurations */
+enum vpdma_max_width {
+	MAX_OUT_WIDTH_UNLIMITED = 0,
+	MAX_OUT_WIDTH_REG1,
+	MAX_OUT_WIDTH_REG2,
+	MAX_OUT_WIDTH_REG3,
+	MAX_OUT_WIDTH_352,
+	MAX_OUT_WIDTH_768,
+	MAX_OUT_WIDTH_1280,
+	MAX_OUT_WIDTH_1920,
+};
+
+/* max height configurations */
+enum vpdma_max_height {
+	MAX_OUT_HEIGHT_UNLIMITED = 0,
+	MAX_OUT_HEIGHT_REG1,
+	MAX_OUT_HEIGHT_REG2,
+	MAX_OUT_HEIGHT_REG3,
+	MAX_OUT_HEIGHT_288,
+	MAX_OUT_HEIGHT_576,
+	MAX_OUT_HEIGHT_720,
+	MAX_OUT_HEIGHT_1080,
+};
+
 /*
  * VPDMA channel numbers
  */
@@ -134,6 +170,13 @@ enum vpdma_channel {
 	VPE_CHAN_RGB_OUT,
 };
 
+#define VIP_CHAN_VIP2_OFFSET		70
+#define VIP_CHAN_MULT_PORTB_OFFSET	16
+#define VIP_CHAN_YUV_PORTB_OFFSET	2
+#define VIP_CHAN_RGB_PORTB_OFFSET	1
+
+#define VPDMA_MAX_CHANNELS		256
+
 /* flags for VPDMA data descriptors */
 #define VPDMA_DATA_ODD_LINE_SKIP	(1 << 0)
 #define VPDMA_DATA_EVEN_LINE_SKIP	(1 << 1)
@@ -177,7 +220,17 @@ void vpdma_unmap_desc_buf(struct vpdma_data *vpdma, struct vpdma_buf *buf);
 int vpdma_create_desc_list(struct vpdma_desc_list *list, size_t size, int type);
 void vpdma_reset_desc_list(struct vpdma_desc_list *list);
 void vpdma_free_desc_list(struct vpdma_desc_list *list);
-int vpdma_submit_descs(struct vpdma_data *vpdma, struct vpdma_desc_list *list);
+int vpdma_submit_descs(struct vpdma_data *vpdma, struct vpdma_desc_list *list,
+		       int list_num);
+bool vpdma_list_busy(struct vpdma_data *vpdma, int list_num);
+void vpdma_update_dma_addr(struct vpdma_data *vpdma,
+	struct vpdma_desc_list *list, dma_addr_t dma_addr,
+	void *write_dtd, int drop, int idx);
+
+/* VPDMA hardware list funcs */
+int vpdma_hwlist_alloc(struct vpdma_data *vpdma, void *priv);
+void *vpdma_hwlist_get_priv(struct vpdma_data *vpdma, int list_num);
+void *vpdma_hwlist_release(struct vpdma_data *vpdma, int list_num);
 
 /* helpers for creating vpdma descriptors */
 void vpdma_add_cfd_block(struct vpdma_desc_list *list, int client,
@@ -186,31 +239,47 @@ void vpdma_add_cfd_adb(struct vpdma_desc_list *list, int client,
 		struct vpdma_buf *adb);
 void vpdma_add_sync_on_channel_ctd(struct vpdma_desc_list *list,
 		enum vpdma_channel chan);
+void vpdma_add_abort_channel_ctd(struct vpdma_desc_list *list,
+		int chan_num);
 void vpdma_add_out_dtd(struct vpdma_desc_list *list, int width,
 		const struct v4l2_rect *c_rect,
 		const struct vpdma_data_format *fmt, dma_addr_t dma_addr,
-		enum vpdma_channel chan, u32 flags);
+		int max_w, int max_h, enum vpdma_channel chan, u32 flags);
+void vpdma_rawchan_add_out_dtd(struct vpdma_desc_list *list, int width,
+		const struct v4l2_rect *c_rect,
+		const struct vpdma_data_format *fmt, dma_addr_t dma_addr,
+		int max_w, int max_h, int raw_vpdma_chan, u32 flags);
+
 void vpdma_add_in_dtd(struct vpdma_desc_list *list, int width,
 		const struct v4l2_rect *c_rect,
 		const struct vpdma_data_format *fmt, dma_addr_t dma_addr,
 		enum vpdma_channel chan, int field, u32 flags, int frame_width,
 		int frame_height, int start_h, int start_v);
+int vpdma_list_cleanup(struct vpdma_data *vpdma, int list_num,
+		int *channels, int size);
 
 /* vpdma list interrupt management */
-void vpdma_enable_list_complete_irq(struct vpdma_data *vpdma, int list_num,
-		bool enable);
-void vpdma_clear_list_stat(struct vpdma_data *vpdma);
+void vpdma_enable_list_complete_irq(struct vpdma_data *vpdma, int irq_num,
+		int list_num, bool enable);
+void vpdma_clear_list_stat(struct vpdma_data *vpdma, int irq_num,
+			   int list_num);
+unsigned int vpdma_get_list_stat(struct vpdma_data *vpdma, int irq_num);
+unsigned int vpdma_get_list_mask(struct vpdma_data *vpdma, int irq_num);
 
 /* vpdma client configuration */
 void vpdma_set_line_mode(struct vpdma_data *vpdma, int line_mode,
 		enum vpdma_channel chan);
 void vpdma_set_frame_start_event(struct vpdma_data *vpdma,
 		enum vpdma_frame_start_event fs_event, enum vpdma_channel chan);
+void vpdma_set_max_size(struct vpdma_data *vpdma, int reg_addr,
+			u32 width, u32 height);
 
+void vpdma_set_bg_color(struct vpdma_data *vpdma,
+			struct vpdma_data_format *fmt, u32 color);
 void vpdma_dump_regs(struct vpdma_data *vpdma);
 
 /* initialize vpdma, passed with VPE's platform device pointer */
-struct vpdma_data *vpdma_create(struct platform_device *pdev,
+int vpdma_create(struct platform_device *pdev, struct vpdma_data *vpdma,
 		void (*cb)(struct platform_device *pdev));
 
 #endif
diff --git a/drivers/media/platform/ti-vpe/vpdma_priv.h b/drivers/media/platform/ti-vpe/vpdma_priv.h
index c1a6ce1884f3..72c7f13b4a9d 100644
--- a/drivers/media/platform/ti-vpe/vpdma_priv.h
+++ b/drivers/media/platform/ti-vpe/vpdma_priv.h
@@ -28,6 +28,10 @@
 #define VPDMA_MAX_SIZE1		0x34
 #define VPDMA_MAX_SIZE2		0x38
 #define VPDMA_MAX_SIZE3		0x3c
+#define VPDMA_MAX_SIZE_WIDTH_MASK	0xffff
+#define VPDMA_MAX_SIZE_WIDTH_SHFT	16
+#define VPDMA_MAX_SIZE_HEIGHT_MASK	0xffff
+#define VPDMA_MAX_SIZE_HEIGHT_SHFT	0
 
 /* Interrupts */
 #define VPDMA_INT_CHAN_STAT(grp)	(0x40 + grp * 8)
@@ -39,9 +43,11 @@
 #define VPDMA_INT_LIST0_STAT		0x88
 #define VPDMA_INT_LIST0_MASK		0x8c
 
+#define VPDMA_INTX_OFFSET		0x50
+
 #define VPDMA_PERFMON(i)		(0x200 + i * 4)
 
-/* VPE specific client registers */
+/* VIP/VPE client registers */
 #define VPDMA_DEI_CHROMA1_CSTAT		0x0300
 #define VPDMA_DEI_LUMA1_CSTAT		0x0304
 #define VPDMA_DEI_LUMA2_CSTAT		0x0308
@@ -50,6 +56,8 @@
 #define VPDMA_DEI_CHROMA3_CSTAT		0x0314
 #define VPDMA_DEI_MV_IN_CSTAT		0x0330
 #define VPDMA_DEI_MV_OUT_CSTAT		0x033c
+#define VPDMA_VIP_LO_Y_CSTAT		0x0388
+#define VPDMA_VIP_LO_UV_CSTAT		0x038c
 #define VPDMA_VIP_UP_Y_CSTAT		0x0390
 #define VPDMA_VIP_UP_UV_CSTAT		0x0394
 #define VPDMA_VPI_CTL_CSTAT		0x03d0
@@ -69,41 +77,63 @@
 #define VPDMA_LIST_TYPE_SHFT		16
 #define VPDMA_LIST_SIZE_MASK		0xffff
 
-/* VPDMA data type values for data formats */
+/*
+ * The YUV data type definition below are taken from
+ * both the TRM and i839 Errata information.
+ * Use the correct data type considering byte
+ * reordering of components.
+ *
+ * Also since the single use of "C" in the 422 case
+ * to mean "Cr" (i.e. V component). It was decided
+ * to explicitly label them CR to remove any confusion.
+ * Bear in mind that the type label refer to the memory
+ * packed order (LSB - MSB).
+ */
 #define DATA_TYPE_Y444				0x0
 #define DATA_TYPE_Y422				0x1
 #define DATA_TYPE_Y420				0x2
 #define DATA_TYPE_C444				0x4
 #define DATA_TYPE_C422				0x5
 #define DATA_TYPE_C420				0x6
-#define DATA_TYPE_YC422				0x7
 #define DATA_TYPE_YC444				0x8
-#define DATA_TYPE_CY422				0x27
-
-#define DATA_TYPE_RGB16_565			0x0
-#define DATA_TYPE_ARGB_1555			0x1
-#define DATA_TYPE_ARGB_4444			0x2
-#define DATA_TYPE_RGBA_5551			0x3
-#define DATA_TYPE_RGBA_4444			0x4
-#define DATA_TYPE_ARGB24_6666			0x5
-#define DATA_TYPE_RGB24_888			0x6
-#define DATA_TYPE_ARGB32_8888			0x7
-#define DATA_TYPE_RGBA24_6666			0x8
-#define DATA_TYPE_RGBA32_8888			0x9
-#define DATA_TYPE_BGR16_565			0x10
-#define DATA_TYPE_ABGR_1555			0x11
-#define DATA_TYPE_ABGR_4444			0x12
-#define DATA_TYPE_BGRA_5551			0x13
-#define DATA_TYPE_BGRA_4444			0x14
-#define DATA_TYPE_ABGR24_6666			0x15
-#define DATA_TYPE_BGR24_888			0x16
-#define DATA_TYPE_ABGR32_8888			0x17
-#define DATA_TYPE_BGRA24_6666			0x18
-#define DATA_TYPE_BGRA32_8888			0x19
+#define DATA_TYPE_YCB422			0x7
+#define DATA_TYPE_YCR422			0x17
+#define DATA_TYPE_CBY422			0x27
+#define DATA_TYPE_CRY422			0x37
+
+/*
+ * The RGB data type definition below are defined
+ * to follow Errata i819.
+ * The initial values were taken from:
+ * VPDMA_data_type_mapping_v0.2vayu_c.pdf
+ * But some of the ARGB definition appeared to be wrong
+ * in the document also. As they would yield RGBA instead.
+ * They have been corrected based on experimentation.
+ */
+#define DATA_TYPE_RGB16_565			0x10
+#define DATA_TYPE_ARGB_1555			0x13
+#define DATA_TYPE_ARGB_4444			0x14
+#define DATA_TYPE_RGBA_5551			0x11
+#define DATA_TYPE_RGBA_4444			0x12
+#define DATA_TYPE_ARGB24_6666			0x18
+#define DATA_TYPE_RGB24_888			0x16
+#define DATA_TYPE_ARGB32_8888			0x17
+#define DATA_TYPE_RGBA24_6666			0x15
+#define DATA_TYPE_RGBA32_8888			0x19
+#define DATA_TYPE_BGR16_565			0x0
+#define DATA_TYPE_ABGR_1555			0x3
+#define DATA_TYPE_ABGR_4444			0x4
+#define DATA_TYPE_BGRA_5551			0x1
+#define DATA_TYPE_BGRA_4444			0x2
+#define DATA_TYPE_ABGR24_6666			0x8
+#define DATA_TYPE_BGR24_888			0x6
+#define DATA_TYPE_ABGR32_8888			0x7
+#define DATA_TYPE_BGRA24_6666			0x5
+#define DATA_TYPE_BGRA32_8888			0x9
 
 #define DATA_TYPE_MV				0x3
 
-/* VPDMA channel numbers(only VPE channels for now) */
+/* VPDMA channel numbers, some are common between VIP/VPE and appear twice */
 #define	VPE_CHAN_NUM_LUMA1_IN		0
 #define	VPE_CHAN_NUM_CHROMA1_IN		1
 #define	VPE_CHAN_NUM_LUMA2_IN		2
@@ -112,10 +142,15 @@
 #define	VPE_CHAN_NUM_CHROMA3_IN		5
 #define	VPE_CHAN_NUM_MV_IN		12
 #define	VPE_CHAN_NUM_MV_OUT		15
+#define VIP1_CHAN_NUM_MULT_PORT_A_SRC0	38
+#define VIP1_CHAN_NUM_MULT_ANC_A_SRC0	70
 #define	VPE_CHAN_NUM_LUMA_OUT		102
 #define	VPE_CHAN_NUM_CHROMA_OUT		103
+#define VIP1_CHAN_NUM_PORT_A_LUMA	102
+#define VIP1_CHAN_NUM_PORT_A_CHROMA	103
 #define	VPE_CHAN_NUM_RGB_OUT		106
-
+#define VIP1_CHAN_NUM_PORT_A_RGB	106
+#define VIP1_CHAN_NUM_PORT_B_RGB	107
 /*
  * a VPDMA address data block payload for a configuration descriptor needs to
  * have each sub block length as a multiple of 16 bytes. Therefore, the overall
@@ -203,6 +238,7 @@ struct vpdma_dtd {
 #define DTD_V_START_MASK	0xffff
 #define DTD_V_START_SHFT	0
 
+#define DTD_DESC_START_MASK	0xffffffe0
 #define DTD_DESC_START_SHIFT	5
 #define DTD_WRITE_DESC_MASK	0x01
 #define DTD_WRITE_DESC_SHIFT	2
@@ -217,42 +253,6 @@ struct vpdma_dtd {
 #define DTD_MAX_HEIGHT_MASK	0x07
 #define DTD_MAX_HEIGHT_SHFT	0
 
-/* max width configurations */
- /* unlimited width */
-#define	MAX_OUT_WIDTH_UNLIMITED		0
-/* as specified in max_size1 reg */
-#define MAX_OUT_WIDTH_REG1		1
-/* as specified in max_size2 reg */
-#define MAX_OUT_WIDTH_REG2		2
-/* as specified in max_size3 reg */
-#define	MAX_OUT_WIDTH_REG3		3
-/* maximum of 352 pixels as width */
-#define MAX_OUT_WIDTH_352		4
-/* maximum of 768 pixels as width */
-#define	MAX_OUT_WIDTH_768		5
-/* maximum of 1280 pixels width */
-#define	MAX_OUT_WIDTH_1280		6
-/* maximum of 1920 pixels as width */
-#define	MAX_OUT_WIDTH_1920		7
-
-/* max height configurations */
- /* unlimited height */
-#define	MAX_OUT_HEIGHT_UNLIMITED	0
-/* as specified in max_size1 reg */
-#define MAX_OUT_HEIGHT_REG1		1
-/* as specified in max_size2 reg */
-#define MAX_OUT_HEIGHT_REG2		2
-/* as specified in max_size3 reg */
-#define	MAX_OUT_HEIGHT_REG3		3
-/* maximum of 288 lines as height */
-#define MAX_OUT_HEIGHT_288		4
-/* maximum of 576 lines as height */
-#define	MAX_OUT_HEIGHT_576		5
-/* maximum of 720 lines as height */
-#define	MAX_OUT_HEIGHT_720		6
-/* maximum of 1080 lines as height */
-#define	MAX_OUT_HEIGHT_1080		7
-
 static inline u32 dtd_type_ctl_stride(int type, bool notify, int field,
 			bool one_d, bool even_line_skip, bool odd_line_skip,
 			int line_stride)
@@ -285,7 +285,7 @@ static inline u32 dtd_frame_width_height(int width, int height)
 static inline u32 dtd_desc_write_addr(unsigned int addr, bool write_desc,
 			bool drop_data, bool use_desc)
 {
-	return (addr << DTD_DESC_START_SHIFT) |
+	return (addr & DTD_DESC_START_MASK) |
 		(write_desc << DTD_WRITE_DESC_SHIFT) |
 		(drop_data << DTD_DROP_DATA_SHIFT) |
 		use_desc;
@@ -390,7 +390,7 @@ static inline int dtd_get_frame_height(struct vpdma_dtd *dtd)
 
 static inline int dtd_get_desc_write_addr(struct vpdma_dtd *dtd)
 {
-	return dtd->desc_write_addr >> DTD_DESC_START_SHIFT;
+	return dtd->desc_write_addr & DTD_DESC_START_MASK;
 }
 
 static inline bool dtd_get_write_desc(struct vpdma_dtd *dtd)
diff --git a/drivers/media/platform/ti-vpe/vpe.c b/drivers/media/platform/ti-vpe/vpe.c
index 0189f7f7cb03..f0156b7759e9 100644
--- a/drivers/media/platform/ti-vpe/vpe.c
+++ b/drivers/media/platform/ti-vpe/vpe.c
@@ -44,6 +44,7 @@
 #include <media/videobuf2-dma-contig.h>
 
 #include "vpdma.h"
+#include "vpdma_priv.h"
 #include "vpe_regs.h"
 #include "sc.h"
 #include "csc.h"
@@ -53,8 +54,8 @@
 /* minimum and maximum frame sizes */
 #define MIN_W		32
 #define MIN_H		32
-#define MAX_W		1920
-#define MAX_H		1080
+#define MAX_W		2048
+#define MAX_H		1184
 
 /* required alignments */
 #define S_ALIGN		0	/* multiple of 1 */
@@ -141,7 +142,7 @@ struct vpe_dei_regs {
  */
 static const struct vpe_dei_regs dei_regs = {
 	.mdt_spacial_freq_thr_reg = 0x020C0804u,
-	.edi_config_reg = 0x0118100Fu,
+	.edi_config_reg = 0x0118100Cu,
 	.edi_lut_reg0 = 0x08040200u,
 	.edi_lut_reg1 = 0x1010100Cu,
 	.edi_lut_reg2 = 0x10101010u,
@@ -236,7 +237,7 @@ struct vpe_fmt {
 
 static struct vpe_fmt vpe_formats[] = {
 	{
-		.name		= "YUV 422 co-planar",
+		.name		= "NV16 YUV 422 co-planar",
 		.fourcc		= V4L2_PIX_FMT_NV16,
 		.types		= VPE_FMT_TYPE_CAPTURE | VPE_FMT_TYPE_OUTPUT,
 		.coplanar	= 1,
@@ -245,7 +246,7 @@ static struct vpe_fmt vpe_formats[] = {
 				  },
 	},
 	{
-		.name		= "YUV 420 co-planar",
+		.name		= "NV12 YUV 420 co-planar",
 		.fourcc		= V4L2_PIX_FMT_NV12,
 		.types		= VPE_FMT_TYPE_CAPTURE | VPE_FMT_TYPE_OUTPUT,
 		.coplanar	= 1,
@@ -258,7 +259,7 @@ static struct vpe_fmt vpe_formats[] = {
 		.fourcc		= V4L2_PIX_FMT_YUYV,
 		.types		= VPE_FMT_TYPE_CAPTURE | VPE_FMT_TYPE_OUTPUT,
 		.coplanar	= 0,
-		.vpdma_fmt	= { &vpdma_yuv_fmts[VPDMA_DATA_FMT_YC422],
+		.vpdma_fmt	= { &vpdma_yuv_fmts[VPDMA_DATA_FMT_YCB422],
 				  },
 	},
 	{
@@ -266,7 +267,7 @@ static struct vpe_fmt vpe_formats[] = {
 		.fourcc		= V4L2_PIX_FMT_UYVY,
 		.types		= VPE_FMT_TYPE_CAPTURE | VPE_FMT_TYPE_OUTPUT,
 		.coplanar	= 0,
-		.vpdma_fmt	= { &vpdma_yuv_fmts[VPDMA_DATA_FMT_CY422],
+		.vpdma_fmt	= { &vpdma_yuv_fmts[VPDMA_DATA_FMT_CBY422],
 				  },
 	},
 	{
@@ -301,6 +302,22 @@ static struct vpe_fmt vpe_formats[] = {
 		.vpdma_fmt	= { &vpdma_rgb_fmts[VPDMA_DATA_FMT_ABGR32],
 				  },
 	},
+	{
+		.name		= "RGB565",
+		.fourcc		= V4L2_PIX_FMT_RGB565,
+		.types		= VPE_FMT_TYPE_CAPTURE,
+		.coplanar	= 0,
+		.vpdma_fmt	= { &vpdma_rgb_fmts[VPDMA_DATA_FMT_RGB565],
+				  },
+	},
+	{
+		.name		= "RGB5551",
+		.fourcc		= V4L2_PIX_FMT_RGB555,
+		.types		= VPE_FMT_TYPE_CAPTURE,
+		.coplanar	= 0,
+		.vpdma_fmt	= { &vpdma_rgb_fmts[VPDMA_DATA_FMT_RGBA16_5551],
+				  },
+	},
 };
 
 /*
@@ -310,6 +327,7 @@ static struct vpe_fmt vpe_formats[] = {
 struct vpe_q_data {
 	unsigned int		width;				/* frame width */
 	unsigned int		height;				/* frame height */
+	unsigned int		nplanes;			/* Current number of planes */
 	unsigned int		bytesperline[VPE_MAX_PLANES];	/* bytes per line in memory */
 	enum v4l2_colorspace	colorspace;
 	enum v4l2_field		field;				/* supported field value */
@@ -320,9 +338,13 @@ struct vpe_q_data {
 };
 
 /* vpe_q_data flag bits */
-#define	Q_DATA_FRAME_1D		(1 << 0)
-#define	Q_DATA_MODE_TILED	(1 << 1)
-#define	Q_DATA_INTERLACED	(1 << 2)
+#define	Q_DATA_FRAME_1D			BIT(0)
+#define	Q_DATA_MODE_TILED		BIT(1)
+#define	Q_DATA_INTERLACED_ALTERNATE	BIT(2)
+#define	Q_DATA_INTERLACED_SEQ_TB	BIT(3)
+
+#define Q_IS_INTERLACED		(Q_DATA_INTERLACED_ALTERNATE | \
+				Q_DATA_INTERLACED_SEQ_TB)
 
 enum {
 	Q_DATA_SRC = 0,
@@ -362,6 +384,7 @@ struct vpe_dev {
 	void __iomem		*base;
 	struct resource		*res;
 
+	struct vpdma_data	vpdma_data;
 	struct vpdma_data	*vpdma;		/* vpdma data handle */
 	struct sc_data		*sc;		/* scaler data handle */
 	struct csc_data		*csc;		/* csc data handle */
@@ -416,7 +439,7 @@ static struct vpe_q_data *get_q_data(struct vpe_ctx *ctx,
 	case V4L2_BUF_TYPE_VIDEO_CAPTURE:
 		return &ctx->q_data[Q_DATA_DST];
 	default:
-		BUG();
+		return NULL;
 	}
 	return NULL;
 }
@@ -584,7 +607,10 @@ static void free_vbs(struct vpe_ctx *ctx)
 	spin_lock_irqsave(&dev->lock, flags);
 	if (ctx->src_vbs[2]) {
 		v4l2_m2m_buf_done(ctx->src_vbs[2], VB2_BUF_STATE_DONE);
-		v4l2_m2m_buf_done(ctx->src_vbs[1], VB2_BUF_STATE_DONE);
+		if (ctx->src_vbs[1] && (ctx->src_vbs[1] != ctx->src_vbs[2]))
+			v4l2_m2m_buf_done(ctx->src_vbs[1], VB2_BUF_STATE_DONE);
+		ctx->src_vbs[2] = NULL;
+		ctx->src_vbs[1] = NULL;
 	}
 	spin_unlock_irqrestore(&dev->lock, flags);
 }
@@ -638,7 +664,7 @@ static void set_us_coefficients(struct vpe_ctx *ctx)
 
 	cp = &us_coeffs[0].anchor_fid0_c0;
 
-	if (s_q_data->flags & Q_DATA_INTERLACED)	/* interlaced */
+	if (s_q_data->flags & Q_IS_INTERLACED)		/* interlaced */
 		cp += sizeof(us_coeffs[0]) / sizeof(*cp);
 
 	end_cp = cp + sizeof(us_coeffs[0]) / sizeof(*cp);
@@ -655,14 +681,13 @@ static void set_us_coefficients(struct vpe_ctx *ctx)
 /*
  * Set the upsampler config mode and the VPDMA line mode in the shadow MMRs.
  */
-static void set_cfg_and_line_modes(struct vpe_ctx *ctx)
+static void set_cfg_modes(struct vpe_ctx *ctx)
 {
 	struct vpe_fmt *fmt = ctx->q_data[Q_DATA_SRC].fmt;
 	struct vpe_mmr_adb *mmr_adb = ctx->mmr_adb.addr;
 	u32 *us1_reg0 = &mmr_adb->us1_regs[0];
 	u32 *us2_reg0 = &mmr_adb->us2_regs[0];
 	u32 *us3_reg0 = &mmr_adb->us3_regs[0];
-	int line_mode = 1;
 	int cfg_mode = 1;
 
 	/*
@@ -670,15 +695,24 @@ static void set_cfg_and_line_modes(struct vpe_ctx *ctx)
 	 * Cfg Mode 1: YUV422 source, disable upsampler, DEI is de-interlacing.
 	 */
 
-	if (fmt->fourcc == V4L2_PIX_FMT_NV12) {
+	if (fmt->fourcc == V4L2_PIX_FMT_NV12)
 		cfg_mode = 0;
-		line_mode = 0;		/* double lines to line buffer */
-	}
 
 	write_field(us1_reg0, cfg_mode, VPE_US_MODE_MASK, VPE_US_MODE_SHIFT);
 	write_field(us2_reg0, cfg_mode, VPE_US_MODE_MASK, VPE_US_MODE_SHIFT);
 	write_field(us3_reg0, cfg_mode, VPE_US_MODE_MASK, VPE_US_MODE_SHIFT);
 
+	ctx->load_mmrs = true;
+}
+
+static void set_line_modes(struct vpe_ctx *ctx)
+{
+	struct vpe_fmt *fmt = ctx->q_data[Q_DATA_SRC].fmt;
+	int line_mode = 1;
+
+	if (fmt->fourcc == V4L2_PIX_FMT_NV12)
+		line_mode = 0;		/* double lines to line buffer */
+
 	/* regs for now */
 	vpdma_set_line_mode(ctx->dev->vpdma, line_mode, VPE_CHAN_CHROMA1_IN);
 	vpdma_set_line_mode(ctx->dev->vpdma, line_mode, VPE_CHAN_CHROMA2_IN);
@@ -703,8 +737,6 @@ static void set_cfg_and_line_modes(struct vpe_ctx *ctx)
 	/* frame start for MV in client */
 	vpdma_set_frame_start_event(ctx->dev->vpdma, VPDMA_FSEVENT_CHANNEL_ACTIVE,
 		VPE_CHAN_MV_IN);
-
-	ctx->load_mmrs = true;
 }
 
 /*
@@ -727,9 +759,11 @@ static void set_dst_registers(struct vpe_ctx *ctx)
 	struct vpe_fmt *fmt = ctx->q_data[Q_DATA_DST].fmt;
 	u32 val = 0;
 
-	if (clrspc == V4L2_COLORSPACE_SRGB)
+	if (clrspc == V4L2_COLORSPACE_SRGB) {
 		val |= VPE_RGB_OUT_SELECT;
-	else if (fmt->fourcc == V4L2_PIX_FMT_NV16)
+		vpdma_set_bg_color(ctx->dev->vpdma,
+			(struct vpdma_data_format *)fmt->vpdma_fmt[0], 0xff);
+	} else if (fmt->fourcc == V4L2_PIX_FMT_NV16)
 		val |= VPE_COLOR_SEPARATE_422;
 
 	/*
@@ -765,8 +799,7 @@ static void set_dei_regs(struct vpe_ctx *ctx)
 	 * for both progressive and interlace content in interlace bypass mode.
 	 * It has been recommended not to use progressive bypass mode.
 	 */
-	if ((!ctx->deinterlacing && (s_q_data->flags & Q_DATA_INTERLACED)) ||
-			!(s_q_data->flags & Q_DATA_INTERLACED)) {
+	if (!(s_q_data->flags & Q_IS_INTERLACED) || !ctx->deinterlacing) {
 		deinterlace = false;
 		val = VPE_DEI_INTERLACE_BYPASS;
 	}
@@ -798,6 +831,23 @@ static void set_dei_shadow_registers(struct vpe_ctx *ctx)
 	ctx->load_mmrs = true;
 }
 
+static void config_edi_input_mode(struct vpe_ctx *ctx, int mode)
+{
+	struct vpe_mmr_adb *mmr_adb = ctx->mmr_adb.addr;
+	u32 *edi_config_reg = &mmr_adb->dei_regs[3];
+
+	if (mode & 0x2)
+		write_field(edi_config_reg, 1, 1, 2);	/* EDI_ENABLE_3D */
+
+	if (mode & 0x3)
+		write_field(edi_config_reg, 1, 1, 3);	/* EDI_CHROMA_3D  */
+
+	write_field(edi_config_reg, mode, VPE_EDI_INP_MODE_MASK,
+		VPE_EDI_INP_MODE_SHIFT);
+
+	ctx->load_mmrs = true;
+}
+
 /*
  * Set the shadow registers whose values are modified when either the
  * source or destination format is changed.
@@ -817,8 +867,8 @@ static int set_srcdst_params(struct vpe_ctx *ctx)
 	ctx->sequence = 0;
 	ctx->field = V4L2_FIELD_TOP;
 
-	if ((s_q_data->flags & Q_DATA_INTERLACED) &&
-			!(d_q_data->flags & Q_DATA_INTERLACED)) {
+	if ((s_q_data->flags & Q_IS_INTERLACED) &&
+			!(d_q_data->flags & Q_IS_INTERLACED)) {
 		int bytes_per_line;
 		const struct vpdma_data_format *mv =
 			&vpdma_misc_fmts[VPDMA_DATA_FMT_MV];
@@ -842,12 +892,13 @@ static int set_srcdst_params(struct vpe_ctx *ctx)
 	}
 
 	free_vbs(ctx);
+	ctx->src_vbs[2] = ctx->src_vbs[1] = ctx->src_vbs[0] = NULL;
 
 	ret = realloc_mv_buffers(ctx, mv_buf_size);
 	if (ret)
 		return ret;
 
-	set_cfg_and_line_modes(ctx);
+	set_cfg_modes(ctx);
 	set_dei_regs(ctx);
 
 	csc_set_coeff(ctx->dev->csc, &mmr_adb->csc_regs[0],
@@ -881,15 +932,14 @@ static struct vpe_ctx *file2ctx(struct file *file)
 static int job_ready(void *priv)
 {
 	struct vpe_ctx *ctx = priv;
-	int needed = ctx->bufs_per_job;
-
-	if (ctx->deinterlacing && ctx->src_vbs[2] == NULL)
-		needed += 2;	/* need additional two most recent fields */
-
-	if (v4l2_m2m_num_src_bufs_ready(ctx->fh.m2m_ctx) < needed)
-		return 0;
 
-	if (v4l2_m2m_num_dst_bufs_ready(ctx->fh.m2m_ctx) < needed)
+	/*
+	 * This check is needed as this might be called directly from driver
+	 * When called by m2m framework, this will always satisfy, but when
+	 * called from vpe_irq, this might fail. (src stream with zero buffers)
+	 */
+	if (v4l2_m2m_num_src_bufs_ready(ctx->fh.m2m_ctx) <= 0 ||
+		v4l2_m2m_num_dst_bufs_ready(ctx->fh.m2m_ctx) <= 0)
 		return 0;
 
 	return 1;
@@ -993,22 +1043,38 @@ static void add_out_dtd(struct vpe_ctx *ctx, int port)
 	int mv_buf_selector = !ctx->src_mv_buf_selector;
 	dma_addr_t dma_addr;
 	u32 flags = 0;
+	u32 offset = 0;
 
 	if (port == VPE_PORT_MV_OUT) {
 		vpdma_fmt = &vpdma_misc_fmts[VPDMA_DATA_FMT_MV];
 		dma_addr = ctx->mv_buf_dma[mv_buf_selector];
+		q_data = &ctx->q_data[Q_DATA_SRC];
 	} else {
 		/* to incorporate interleaved formats */
 		int plane = fmt->coplanar ? p_data->vb_part : 0;
 
 		vpdma_fmt = fmt->vpdma_fmt[plane];
-		dma_addr = vb2_dma_contig_plane_dma_addr(vb, plane);
+		/*
+		 * If we are using a single plane buffer and
+		 * we need to set a separate vpdma chroma channel.
+		 */
+		if (q_data->nplanes == 1 && plane) {
+			dma_addr = vb2_dma_contig_plane_dma_addr(vb, 0);
+			/* Compute required offset */
+			offset = q_data->bytesperline[0] * q_data->height;
+		} else {
+			dma_addr = vb2_dma_contig_plane_dma_addr(vb, plane);
+			/* Use address as is, no offset */
+			offset = 0;
+		}
 		if (!dma_addr) {
 			vpe_err(ctx->dev,
 				"acquiring output buffer(%d) dma_addr failed\n",
 				port);
 			return;
 		}
+		/* Apply the offset */
+		dma_addr += offset;
 	}
 
 	if (q_data->flags & Q_DATA_FRAME_1D)
@@ -1016,8 +1082,12 @@ static void add_out_dtd(struct vpe_ctx *ctx, int port)
 	if (q_data->flags & Q_DATA_MODE_TILED)
 		flags |= VPDMA_DATA_MODE_TILED;
 
+	vpdma_set_max_size(ctx->dev->vpdma, VPDMA_MAX_SIZE1,
+			   MAX_W, MAX_H);
+
 	vpdma_add_out_dtd(&ctx->desc_list, q_data->width, &q_data->c_rect,
-		vpdma_fmt, dma_addr, p_data->channel, flags);
+			  vpdma_fmt, dma_addr, MAX_OUT_WIDTH_REG1,
+			  MAX_OUT_HEIGHT_REG1, p_data->channel, flags);
 }
 
 static void add_in_dtd(struct vpe_ctx *ctx, int port)
@@ -1033,6 +1103,7 @@ static void add_in_dtd(struct vpe_ctx *ctx, int port)
 	int frame_width, frame_height;
 	dma_addr_t dma_addr;
 	u32 flags = 0;
+	u32 offset = 0;
 
 	if (port == VPE_PORT_MV_IN) {
 		vpdma_fmt = &vpdma_misc_fmts[VPDMA_DATA_FMT_MV];
@@ -1042,14 +1113,49 @@ static void add_in_dtd(struct vpe_ctx *ctx, int port)
 		int plane = fmt->coplanar ? p_data->vb_part : 0;
 
 		vpdma_fmt = fmt->vpdma_fmt[plane];
-
-		dma_addr = vb2_dma_contig_plane_dma_addr(vb, plane);
+		/*
+		 * If we are using a single plane buffer and
+		 * we need to set a separate vpdma chroma channel.
+		 */
+		if (q_data->nplanes == 1 && plane) {
+			dma_addr = vb2_dma_contig_plane_dma_addr(vb, 0);
+			/* Compute required offset */
+			offset = q_data->bytesperline[0] * q_data->height;
+		} else {
+			dma_addr = vb2_dma_contig_plane_dma_addr(vb, plane);
+			/* Use address as is, no offset */
+			offset = 0;
+		}
 		if (!dma_addr) {
 			vpe_err(ctx->dev,
-				"acquiring input buffer(%d) dma_addr failed\n",
+				"acquiring output buffer(%d) dma_addr failed\n",
 				port);
 			return;
 		}
+		/* Apply the offset */
+		dma_addr += offset;
+
+		if (q_data->flags & Q_DATA_INTERLACED_SEQ_TB) {
+			/*
+			 * Use top or bottom field from same vb alternately
+			 * f,f-1,f-2 = TBT when seq is even
+			 * f,f-1,f-2 = BTB when seq is odd
+			 */
+			field = (p_data->vb_index + (ctx->sequence % 2)) % 2;
+
+			if (field) {
+				/*
+				 * bottom field of a SEQ_TB buffer
+				 * Skip the top field data by
+				 */
+				int height = q_data->height / 2;
+				int bpp = fmt->fourcc == V4L2_PIX_FMT_NV12 ?
+						1 : (vpdma_fmt->depth >> 3);
+				if (plane)
+					height /= 2;
+				dma_addr += q_data->width * height * bpp;
+			}
+		}
 	}
 
 	if (q_data->flags & Q_DATA_FRAME_1D)
@@ -1077,7 +1183,7 @@ static void enable_irqs(struct vpe_ctx *ctx)
 	write_reg(ctx->dev, VPE_INT0_ENABLE1_SET, VPE_DEI_ERROR_INT |
 				VPE_DS1_UV_ERROR_INT);
 
-	vpdma_enable_list_complete_irq(ctx->dev->vpdma, 0, true);
+	vpdma_enable_list_complete_irq(ctx->dev->vpdma, 0, 0, true);
 }
 
 static void disable_irqs(struct vpe_ctx *ctx)
@@ -1085,7 +1191,7 @@ static void disable_irqs(struct vpe_ctx *ctx)
 	write_reg(ctx->dev, VPE_INT0_ENABLE0_CLR, 0xffffffff);
 	write_reg(ctx->dev, VPE_INT0_ENABLE1_CLR, 0xffffffff);
 
-	vpdma_enable_list_complete_irq(ctx->dev->vpdma, 0, false);
+	vpdma_enable_list_complete_irq(ctx->dev->vpdma, 0, 0, false);
 }
 
 /* device_run() - prepares and starts the device
@@ -1098,23 +1204,49 @@ static void device_run(void *priv)
 	struct vpe_ctx *ctx = priv;
 	struct sc_data *sc = ctx->dev->sc;
 	struct vpe_q_data *d_q_data = &ctx->q_data[Q_DATA_DST];
+	struct vpe_q_data *s_q_data = &ctx->q_data[Q_DATA_SRC];
 
-	if (ctx->deinterlacing && ctx->src_vbs[2] == NULL) {
-		ctx->src_vbs[2] = v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx);
-		WARN_ON(ctx->src_vbs[2] == NULL);
-		ctx->src_vbs[1] = v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx);
-		WARN_ON(ctx->src_vbs[1] == NULL);
+	if (ctx->deinterlacing && s_q_data->flags & Q_DATA_INTERLACED_SEQ_TB &&
+		ctx->sequence % 2 == 0) {
+		/* When using SEQ_TB buffers, When using it first time,
+		 * No need to remove the buffer as the next field is present
+		 * in the same buffer. (so that job_ready won't fail)
+		 * It will be removed when using bottom field
+		 */
+		ctx->src_vbs[0] = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx);
+		WARN_ON(ctx->src_vbs[0] == NULL);
+	} else {
+		ctx->src_vbs[0] = v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx);
+		WARN_ON(ctx->src_vbs[0] == NULL);
 	}
 
-	ctx->src_vbs[0] = v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx);
-	WARN_ON(ctx->src_vbs[0] == NULL);
 	ctx->dst_vb = v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx);
 	WARN_ON(ctx->dst_vb == NULL);
 
+	if (ctx->deinterlacing) {
+
+		if (ctx->src_vbs[2] == NULL) {
+			ctx->src_vbs[2] = ctx->src_vbs[0];
+			WARN_ON(ctx->src_vbs[2] == NULL);
+			ctx->src_vbs[1] = ctx->src_vbs[0];
+			WARN_ON(ctx->src_vbs[1] == NULL);
+		}
+
+		/*
+		 * we have output the first 2 frames through line average, we
+		 * now switch to EDI de-interlacer
+		 */
+		if (ctx->sequence == 2)
+			config_edi_input_mode(ctx, 0x3); /* EDI (Y + UV) */
+	}
+
 	/* config descriptors */
 	if (ctx->dev->loaded_mmrs != ctx->mmr_adb.dma_addr || ctx->load_mmrs) {
 		vpdma_map_desc_buf(ctx->dev->vpdma, &ctx->mmr_adb);
 		vpdma_add_cfd_adb(&ctx->desc_list, CFD_MMR_CLIENT, &ctx->mmr_adb);
+
+		set_line_modes(ctx);
+
 		ctx->dev->loaded_mmrs = ctx->mmr_adb.dma_addr;
 		ctx->load_mmrs = false;
 	}
@@ -1202,7 +1334,7 @@ static void device_run(void *priv)
 	enable_irqs(ctx);
 
 	vpdma_map_desc_buf(ctx->dev->vpdma, &ctx->desc_list.buf);
-	vpdma_submit_descs(ctx->dev->vpdma, &ctx->desc_list);
+	vpdma_submit_descs(ctx->dev->vpdma, &ctx->desc_list, 0);
 }
 
 static void dei_error(struct vpe_ctx *ctx)
@@ -1225,6 +1357,7 @@ static irqreturn_t vpe_irq(int irq_vpe, void *data)
 	struct vb2_v4l2_buffer *s_vb, *d_vb;
 	unsigned long flags;
 	u32 irqst0, irqst1;
+	bool list_complete = false;
 
 	irqst0 = read_reg(dev, VPE_INT0_STATUS0);
 	if (irqst0) {
@@ -1257,17 +1390,24 @@ static irqreturn_t vpe_irq(int irq_vpe, void *data)
 
 	if (irqst0) {
 		if (irqst0 & VPE_INT0_LIST0_COMPLETE)
-			vpdma_clear_list_stat(ctx->dev->vpdma);
+			vpdma_clear_list_stat(ctx->dev->vpdma, 0, 0);
 
 		irqst0 &= ~(VPE_INT0_LIST0_COMPLETE);
+		list_complete = true;
 	}
 
 	if (irqst0 | irqst1) {
-		dev_warn(dev->v4l2_dev.dev, "Unexpected interrupt: "
-			"INT0_STATUS0 = 0x%08x, INT0_STATUS1 = 0x%08x\n",
+		dev_warn(dev->v4l2_dev.dev, "Unexpected interrupt: INT0_STATUS0 = 0x%08x, INT0_STATUS1 = 0x%08x\n",
 			irqst0, irqst1);
 	}
 
+	/*
+	 * Setup next operation only when list complete IRQ occurs
+	 * otherwise, skip the following code
+	 */
+	if (!list_complete)
+		goto handled;
+
 	disable_irqs(ctx);
 
 	vpdma_unmap_desc_buf(dev->vpdma, &ctx->desc_list.buf);
@@ -1295,7 +1435,7 @@ static irqreturn_t vpe_irq(int irq_vpe, void *data)
 	d_vb->sequence = ctx->sequence;
 
 	d_q_data = &ctx->q_data[Q_DATA_DST];
-	if (d_q_data->flags & Q_DATA_INTERLACED) {
+	if (d_q_data->flags & Q_IS_INTERLACED) {
 		d_vb->field = ctx->field;
 		if (ctx->field == V4L2_FIELD_BOTTOM) {
 			ctx->sequence++;
@@ -1309,12 +1449,28 @@ static irqreturn_t vpe_irq(int irq_vpe, void *data)
 		ctx->sequence++;
 	}
 
-	if (ctx->deinterlacing)
-		s_vb = ctx->src_vbs[2];
+	if (ctx->deinterlacing) {
+		/*
+		 * Allow source buffer to be dequeued only if it won't be used
+		 * in the next iteration. All vbs are initialized to first
+		 * buffer and we are shifting buffers every iteration, for the
+		 * first two iterations, no buffer will be dequeued.
+		 * This ensures that driver will keep (n-2)th (n-1)th and (n)th
+		 * field when deinterlacing is enabled
+		 */
+		if (ctx->src_vbs[2] != ctx->src_vbs[1])
+			s_vb = ctx->src_vbs[2];
+		else
+			s_vb = NULL;
+	}
 
 	spin_lock_irqsave(&dev->lock, flags);
-	v4l2_m2m_buf_done(s_vb, VB2_BUF_STATE_DONE);
+
+	if (s_vb)
+		v4l2_m2m_buf_done(s_vb, VB2_BUF_STATE_DONE);
+
 	v4l2_m2m_buf_done(d_vb, VB2_BUF_STATE_DONE);
+
 	spin_unlock_irqrestore(&dev->lock, flags);
 
 	if (ctx->deinterlacing) {
@@ -1322,8 +1478,16 @@ static irqreturn_t vpe_irq(int irq_vpe, void *data)
 		ctx->src_vbs[1] = ctx->src_vbs[0];
 	}
 
+	/*
+	 * Since the vb2_buf_done has already been called fir therse
+	 * buffer we can now NULL them out so that we won't try
+	 * to clean out stray pointer later on.
+	*/
+	ctx->src_vbs[0] = NULL;
+	ctx->dst_vb = NULL;
+
 	ctx->bufs_completed++;
-	if (ctx->bufs_completed < ctx->bufs_per_job) {
+	if (ctx->bufs_completed < ctx->bufs_per_job && job_ready(ctx)) {
 		device_run(ctx);
 		goto handled;
 	}
@@ -1414,7 +1578,7 @@ static int vpe_g_fmt(struct file *file, void *priv, struct v4l2_format *f)
 		pix->colorspace = s_q_data->colorspace;
 	}
 
-	pix->num_planes = q_data->fmt->coplanar ? 2 : 1;
+	pix->num_planes = q_data->nplanes;
 
 	for (i = 0; i < pix->num_planes; i++) {
 		pix->plane_fmt[i].bytesperline = q_data->bytesperline[i];
@@ -1430,7 +1594,7 @@ static int __vpe_try_fmt(struct vpe_ctx *ctx, struct v4l2_format *f,
 	struct v4l2_pix_format_mplane *pix = &f->fmt.pix_mp;
 	struct v4l2_plane_pix_format *plane_fmt;
 	unsigned int w_align;
-	int i, depth, depth_bytes;
+	int i, depth, depth_bytes, height;
 
 	if (!fmt || !(fmt->types & type)) {
 		vpe_err(ctx->dev, "Fourcc format (0x%08x) invalid.\n",
@@ -1438,7 +1602,8 @@ static int __vpe_try_fmt(struct vpe_ctx *ctx, struct v4l2_format *f,
 		return -EINVAL;
 	}
 
-	if (pix->field != V4L2_FIELD_NONE && pix->field != V4L2_FIELD_ALTERNATE)
+	if (pix->field != V4L2_FIELD_NONE && pix->field != V4L2_FIELD_ALTERNATE
+			&& pix->field != V4L2_FIELD_SEQ_TB)
 		pix->field = V4L2_FIELD_NONE;
 
 	depth = fmt->vpdma_fmt[VPE_LUMA]->depth;
@@ -1450,28 +1615,53 @@ static int __vpe_try_fmt(struct vpe_ctx *ctx, struct v4l2_format *f,
 	 */
 	depth_bytes = depth >> 3;
 
-	if (depth_bytes == 3)
+	if (depth_bytes == 3) {
 		/*
 		 * if bpp is 3(as in some RGB formats), the pixel width doesn't
 		 * really help in ensuring line stride is 16 byte aligned
 		 */
 		w_align = 4;
-	else
+	} else {
 		/*
 		 * for the remainder bpp(4, 2 and 1), the pixel width alignment
 		 * can ensure a line stride alignment of 16 bytes. For example,
 		 * if bpp is 2, then the line stride can be 16 byte aligned if
 		 * the width is 8 byte aligned
 		 */
-		w_align = order_base_2(VPDMA_DESC_ALIGN / depth_bytes);
+
+		/*
+		 * HACK: using order_base_2() here causes lots of asm output
+		 * errors with smatch, on i386:
+		 * ./arch/x86/include/asm/bitops.h:457:22:
+		 *		 warning: asm output is not an lvalue
+		 * Perhaps some gcc optimization is doing the wrong thing
+		 * there.
+		 * Let's get rid of them by doing the calculus on two steps
+		 */
+		w_align = roundup_pow_of_two(VPDMA_DESC_ALIGN / depth_bytes);
+		w_align = ilog2(w_align);
+	}
 
 	v4l_bound_align_image(&pix->width, MIN_W, MAX_W, w_align,
 			      &pix->height, MIN_H, MAX_H, H_ALIGN,
 			      S_ALIGN);
 
-	pix->num_planes = fmt->coplanar ? 2 : 1;
+	if (!pix->num_planes)
+		pix->num_planes = fmt->coplanar ? 2 : 1;
+	else if (pix->num_planes > 1 && !fmt->coplanar)
+		pix->num_planes = 1;
+
 	pix->pixelformat = fmt->fourcc;
 
+	/*
+	 * For the actual image parameters, we need to consider the field
+	 * height of the image for SEQ_TB buffers.
+	 */
+	if (pix->field == V4L2_FIELD_SEQ_TB)
+		height = pix->height / 2;
+	else
+		height = pix->height;
+
 	if (!pix->colorspace) {
 		if (fmt->fourcc == V4L2_PIX_FMT_RGB24 ||
 				fmt->fourcc == V4L2_PIX_FMT_BGR24 ||
@@ -1479,7 +1669,7 @@ static int __vpe_try_fmt(struct vpe_ctx *ctx, struct v4l2_format *f,
 				fmt->fourcc == V4L2_PIX_FMT_BGR32) {
 			pix->colorspace = V4L2_COLORSPACE_SRGB;
 		} else {
-			if (pix->height > 1280)	/* HD */
+			if (height > 1280)	/* HD */
 				pix->colorspace = V4L2_COLORSPACE_REC709;
 			else			/* SD */
 				pix->colorspace = V4L2_COLORSPACE_SMPTE170M;
@@ -1496,6 +1686,8 @@ static int __vpe_try_fmt(struct vpe_ctx *ctx, struct v4l2_format *f,
 		else
 			plane_fmt->bytesperline = pix->width;
 
+		if (pix->num_planes == 1 && fmt->coplanar)
+			depth += fmt->vpdma_fmt[VPE_CHROMA]->depth;
 		plane_fmt->sizeimage =
 				(pix->height * pix->width * depth) >> 3;
 
@@ -1542,6 +1734,7 @@ static int __vpe_s_fmt(struct vpe_ctx *ctx, struct v4l2_format *f)
 	q_data->height		= pix->height;
 	q_data->colorspace	= pix->colorspace;
 	q_data->field		= pix->field;
+	q_data->nplanes		= pix->num_planes;
 
 	for (i = 0; i < pix->num_planes; i++) {
 		plane_fmt = &pix->plane_fmt[i];
@@ -1556,14 +1749,20 @@ static int __vpe_s_fmt(struct vpe_ctx *ctx, struct v4l2_format *f)
 	q_data->c_rect.height	= q_data->height;
 
 	if (q_data->field == V4L2_FIELD_ALTERNATE)
-		q_data->flags |= Q_DATA_INTERLACED;
+		q_data->flags |= Q_DATA_INTERLACED_ALTERNATE;
+	else if (q_data->field == V4L2_FIELD_SEQ_TB)
+		q_data->flags |= Q_DATA_INTERLACED_SEQ_TB;
 	else
-		q_data->flags &= ~Q_DATA_INTERLACED;
+		q_data->flags &= ~Q_IS_INTERLACED;
+
+	/* the crop height is halved for the case of SEQ_TB buffers */
+	if (q_data->flags & Q_DATA_INTERLACED_SEQ_TB)
+		q_data->c_rect.height /= 2;
 
 	vpe_dbg(ctx->dev, "Setting format for type %d, wxh: %dx%d, fmt: %d bpl_y %d",
 		f->type, q_data->width, q_data->height, q_data->fmt->fourcc,
 		q_data->bytesperline[VPE_LUMA]);
-	if (q_data->fmt->coplanar)
+	if (q_data->nplanes == 2)
 		vpe_dbg(ctx->dev, " bpl_uv %d\n",
 			q_data->bytesperline[VPE_CHROMA]);
 
@@ -1594,6 +1793,7 @@ static int vpe_s_fmt(struct file *file, void *priv, struct v4l2_format *f)
 static int __vpe_try_selection(struct vpe_ctx *ctx, struct v4l2_selection *s)
 {
 	struct vpe_q_data *q_data;
+	int height;
 
 	if ((s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) &&
 	    (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT))
@@ -1628,13 +1828,22 @@ static int __vpe_try_selection(struct vpe_ctx *ctx, struct v4l2_selection *s)
 		return -EINVAL;
 	}
 
+	/*
+	 * For SEQ_TB buffers, crop height should be less than the height of
+	 * the field height, not the buffer height
+	 */
+	if (q_data->flags & Q_DATA_INTERLACED_SEQ_TB)
+		height = q_data->height / 2;
+	else
+		height = q_data->height;
+
 	if (s->r.top < 0 || s->r.left < 0) {
 		vpe_err(ctx->dev, "negative values for top and left\n");
 		s->r.top = s->r.left = 0;
 	}
 
 	v4l_bound_align_image(&s->r.width, MIN_W, q_data->width, 1,
-		&s->r.height, MIN_H, q_data->height, H_ALIGN, S_ALIGN);
+		&s->r.height, MIN_H, height, H_ALIGN, S_ALIGN);
 
 	/* adjust left/top if cropping rectangle is out of bounds */
 	if (s->r.left + s->r.width > q_data->width)
@@ -1784,6 +1993,7 @@ static const struct v4l2_ioctl_ops vpe_ioctl_ops = {
 	.vidioc_querybuf		= v4l2_m2m_ioctl_querybuf,
 	.vidioc_qbuf			= v4l2_m2m_ioctl_qbuf,
 	.vidioc_dqbuf			= v4l2_m2m_ioctl_dqbuf,
+	.vidioc_expbuf			= v4l2_m2m_ioctl_expbuf,
 	.vidioc_streamon		= v4l2_m2m_ioctl_streamon,
 	.vidioc_streamoff		= v4l2_m2m_ioctl_streamoff,
 
@@ -1804,14 +2014,14 @@ static int vpe_queue_setup(struct vb2_queue *vq,
 
 	q_data = get_q_data(ctx, vq->type);
 
-	*nplanes = q_data->fmt->coplanar ? 2 : 1;
+	*nplanes = q_data->nplanes;
 
 	for (i = 0; i < *nplanes; i++)
 		sizes[i] = q_data->sizeimage[i];
 
 	vpe_dbg(ctx->dev, "get %d buffer(s) of size %d", *nbuffers,
 		sizes[VPE_LUMA]);
-	if (q_data->fmt->coplanar)
+	if (q_data->nplanes == 2)
 		vpe_dbg(ctx->dev, " and %d\n", sizes[VPE_CHROMA]);
 
 	return 0;
@@ -1827,14 +2037,15 @@ static int vpe_buf_prepare(struct vb2_buffer *vb)
 	vpe_dbg(ctx->dev, "type: %d\n", vb->vb2_queue->type);
 
 	q_data = get_q_data(ctx, vb->vb2_queue->type);
-	num_planes = q_data->fmt->coplanar ? 2 : 1;
+	num_planes = q_data->nplanes;
 
 	if (vb->vb2_queue->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
-		if (!(q_data->flags & Q_DATA_INTERLACED)) {
+		if (!(q_data->flags & Q_IS_INTERLACED)) {
 			vbuf->field = V4L2_FIELD_NONE;
 		} else {
 			if (vbuf->field != V4L2_FIELD_TOP &&
-					vbuf->field != V4L2_FIELD_BOTTOM)
+			    vbuf->field != V4L2_FIELD_BOTTOM &&
+			    vbuf->field != V4L2_FIELD_SEQ_TB)
 				return -EINVAL;
 		}
 	}
@@ -1863,9 +2074,98 @@ static void vpe_buf_queue(struct vb2_buffer *vb)
 	v4l2_m2m_buf_queue(ctx->fh.m2m_ctx, vbuf);
 }
 
+static int check_srcdst_sizes(struct vpe_ctx *ctx)
+{
+	struct vpe_q_data *s_q_data =  &ctx->q_data[Q_DATA_SRC];
+	struct vpe_q_data *d_q_data =  &ctx->q_data[Q_DATA_DST];
+	unsigned int src_w = s_q_data->c_rect.width;
+	unsigned int src_h = s_q_data->c_rect.height;
+	unsigned int dst_w = d_q_data->c_rect.width;
+	unsigned int dst_h = d_q_data->c_rect.height;
+
+	if (src_w == dst_w && src_h == dst_h)
+		return 0;
+
+	if (src_h <= SC_MAX_PIXEL_HEIGHT &&
+	    src_w <= SC_MAX_PIXEL_WIDTH &&
+	    dst_h <= SC_MAX_PIXEL_HEIGHT &&
+	    dst_w <= SC_MAX_PIXEL_WIDTH)
+		return 0;
+
+	return -1;
+}
+
+static void vpe_return_all_buffers(struct vpe_ctx *ctx,  struct vb2_queue *q,
+				   enum vb2_buffer_state state)
+{
+	struct vb2_v4l2_buffer *vb;
+	unsigned long flags;
+
+	for (;;) {
+		if (V4L2_TYPE_IS_OUTPUT(q->type))
+			vb = v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx);
+		else
+			vb = v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx);
+		if (!vb)
+			break;
+		spin_lock_irqsave(&ctx->dev->lock, flags);
+		v4l2_m2m_buf_done(vb, state);
+		spin_unlock_irqrestore(&ctx->dev->lock, flags);
+	}
+
+	/*
+	 * Cleanup the in-transit vb2 buffers that have been
+	 * removed from their respective queue already but for
+	 * which procecessing has not been completed yet.
+	 */
+	if (V4L2_TYPE_IS_OUTPUT(q->type)) {
+		spin_lock_irqsave(&ctx->dev->lock, flags);
+
+		if (ctx->src_vbs[2])
+			v4l2_m2m_buf_done(ctx->src_vbs[2], state);
+
+		if (ctx->src_vbs[1] && (ctx->src_vbs[1] != ctx->src_vbs[2]))
+			v4l2_m2m_buf_done(ctx->src_vbs[1], state);
+
+		if (ctx->src_vbs[0] &&
+		    (ctx->src_vbs[0] != ctx->src_vbs[1]) &&
+		    (ctx->src_vbs[0] != ctx->src_vbs[2]))
+			v4l2_m2m_buf_done(ctx->src_vbs[0], state);
+
+		ctx->src_vbs[2] = NULL;
+		ctx->src_vbs[1] = NULL;
+		ctx->src_vbs[0] = NULL;
+
+		spin_unlock_irqrestore(&ctx->dev->lock, flags);
+	} else {
+		if (ctx->dst_vb) {
+			spin_lock_irqsave(&ctx->dev->lock, flags);
+
+			v4l2_m2m_buf_done(ctx->dst_vb, state);
+			ctx->dst_vb = NULL;
+			spin_unlock_irqrestore(&ctx->dev->lock, flags);
+		}
+	}
+}
+
 static int vpe_start_streaming(struct vb2_queue *q, unsigned int count)
 {
-	/* currently we do nothing here */
+	struct vpe_ctx *ctx = vb2_get_drv_priv(q);
+
+	/* Check any of the size exceed maximum scaling sizes */
+	if (check_srcdst_sizes(ctx)) {
+		vpe_err(ctx->dev,
+			"Conversion setup failed, check source and destination parameters\n"
+			);
+		vpe_return_all_buffers(ctx, q, VB2_BUF_STATE_QUEUED);
+		return -EINVAL;
+	}
+
+	if (ctx->deinterlacing)
+		config_edi_input_mode(ctx, 0x0);
+
+	if (ctx->sequence != 0)
+		set_srcdst_params(ctx);
 
 	return 0;
 }
@@ -1876,6 +2176,8 @@ static void vpe_stop_streaming(struct vb2_queue *q)
 
 	vpe_dump_regs(ctx->dev);
 	vpdma_dump_regs(ctx->dev->vpdma);
+
+	vpe_return_all_buffers(ctx, q, VB2_BUF_STATE_ERROR);
 }
 
 static const struct vb2_ops vpe_qops = {
@@ -1995,6 +2297,7 @@ static int vpe_open(struct file *file)
 	s_q_data->fmt = &vpe_formats[2];
 	s_q_data->width = 1920;
 	s_q_data->height = 1080;
+	s_q_data->nplanes = 1;
 	s_q_data->bytesperline[VPE_LUMA] = (s_q_data->width *
 			s_q_data->fmt->vpdma_fmt[VPE_LUMA]->depth) >> 3;
 	s_q_data->sizeimage[VPE_LUMA] = (s_q_data->bytesperline[VPE_LUMA] *
@@ -2068,11 +2371,13 @@ static int vpe_release(struct file *file)
 	vpe_dbg(dev, "releasing instance %p\n", ctx);
 
 	mutex_lock(&dev->dev_mutex);
-	free_vbs(ctx);
 	free_mv_buffers(ctx);
 	vpdma_free_desc_list(&ctx->desc_list);
 	vpdma_free_desc_buf(&ctx->mmr_adb);
 
+	vpdma_free_desc_buf(&ctx->sc_coeff_v);
+	vpdma_free_desc_buf(&ctx->sc_coeff_h);
+
 	v4l2_fh_del(&ctx->fh);
 	v4l2_fh_exit(&ctx->fh);
 	v4l2_ctrl_handler_free(&ctx->hdl);
@@ -2235,23 +2540,22 @@ static int vpe_probe(struct platform_device *pdev)
 
 	vpe_top_vpdma_reset(dev);
 
-	dev->sc = sc_create(pdev);
+	dev->sc = sc_create(pdev, "sc");
 	if (IS_ERR(dev->sc)) {
 		ret = PTR_ERR(dev->sc);
 		goto runtime_put;
 	}
 
-	dev->csc = csc_create(pdev);
+	dev->csc = csc_create(pdev, "csc");
 	if (IS_ERR(dev->csc)) {
 		ret = PTR_ERR(dev->csc);
 		goto runtime_put;
 	}
 
-	dev->vpdma = vpdma_create(pdev, vpe_fw_cb);
-	if (IS_ERR(dev->vpdma)) {
-		ret = PTR_ERR(dev->vpdma);
+	dev->vpdma = &dev->vpdma_data;
+	ret = vpdma_create(pdev, dev->vpdma, vpe_fw_cb);
+	if (ret)
 		goto runtime_put;
-	}
 
 	return 0;
 
@@ -2290,6 +2594,7 @@ static const struct of_device_id vpe_of_match[] = {
 	},
 	{},
 };
+MODULE_DEVICE_TABLE(of, vpe_of_match);
 #endif
 
 static struct platform_driver vpe_pdrv = {
diff --git a/drivers/media/platform/via-camera.c b/drivers/media/platform/via-camera.c
index 7ca12deba89c..e16f70a5df1d 100644
--- a/drivers/media/platform/via-camera.c
+++ b/drivers/media/platform/via-camera.c
@@ -39,15 +39,12 @@ MODULE_LICENSE("GPL");
 static bool flip_image;
 module_param(flip_image, bool, 0444);
 MODULE_PARM_DESC(flip_image,
-		"If set, the sensor will be instructed to flip the image "
-		"vertically.");
+		"If set, the sensor will be instructed to flip the image vertically.");
 
 static bool override_serial;
 module_param(override_serial, bool, 0444);
 MODULE_PARM_DESC(override_serial,
-		"The camera driver will normally refuse to load if "
-		"the XO 1.5 serial port is enabled.  Set this option "
-		"to force-enable the camera.");
+		"The camera driver will normally refuse to load if the XO 1.5 serial port is enabled.  Set this option to force-enable the camera.");
 
 /*
  * The structure describing our camera.
diff --git a/drivers/media/platform/vivid/Kconfig b/drivers/media/platform/vivid/Kconfig
index 8e6918c5c87c..db0dd19d227a 100644
--- a/drivers/media/platform/vivid/Kconfig
+++ b/drivers/media/platform/vivid/Kconfig
@@ -25,7 +25,7 @@ config VIDEO_VIVID
 
 config VIDEO_VIVID_CEC
 	bool "Enable CEC emulation support"
-	depends on VIDEO_VIVID && MEDIA_CEC
+	depends on VIDEO_VIVID && MEDIA_CEC_SUPPORT
 	---help---
 	  When selected the vivid module will emulate the optional
 	  HDMI CEC feature.
diff --git a/drivers/media/platform/vivid/vivid-cec.c b/drivers/media/platform/vivid/vivid-cec.c
index f9f878b8e0a7..cb4933592a3c 100644
--- a/drivers/media/platform/vivid/vivid-cec.c
+++ b/drivers/media/platform/vivid/vivid-cec.c
@@ -216,7 +216,6 @@ static const struct cec_adap_ops vivid_cec_adap_ops = {
 
 struct cec_adapter *vivid_cec_alloc_adap(struct vivid_dev *dev,
 					 unsigned int idx,
-					 struct device *parent,
 					 bool is_source)
 {
 	char name[sizeof(dev->vid_out_dev.name) + 2];
@@ -227,5 +226,5 @@ struct cec_adapter *vivid_cec_alloc_adap(struct vivid_dev *dev,
 		 is_source ? dev->vid_out_dev.name : dev->vid_cap_dev.name,
 		 idx);
 	return cec_allocate_adapter(&vivid_cec_adap_ops, dev,
-		name, caps, 1, parent);
+		name, caps, 1);
 }
diff --git a/drivers/media/platform/vivid/vivid-cec.h b/drivers/media/platform/vivid/vivid-cec.h
index 97892afa6b3b..3926b1422777 100644
--- a/drivers/media/platform/vivid/vivid-cec.h
+++ b/drivers/media/platform/vivid/vivid-cec.h
@@ -20,7 +20,6 @@
 #ifdef CONFIG_VIDEO_VIVID_CEC
 struct cec_adapter *vivid_cec_alloc_adap(struct vivid_dev *dev,
 					 unsigned int idx,
-					 struct device *parent,
 					 bool is_source);
 void vivid_cec_bus_free_work(struct vivid_dev *dev);
 
diff --git a/drivers/media/platform/vivid/vivid-core.c b/drivers/media/platform/vivid/vivid-core.c
index 5464fefbaab9..51e37812ec98 100644
--- a/drivers/media/platform/vivid/vivid-core.c
+++ b/drivers/media/platform/vivid/vivid-core.c
@@ -183,7 +183,7 @@ static const u8 vivid_hdmi_edid[256] = {
 	0x5e, 0x5d, 0x10, 0x1f, 0x04, 0x13, 0x22, 0x21,
 	0x20, 0x05, 0x14, 0x02, 0x11, 0x01, 0x23, 0x09,
 	0x07, 0x07, 0x83, 0x01, 0x00, 0x00, 0x6d, 0x03,
-	0x0c, 0x00, 0x10, 0x00, 0x00, 0x78, 0x21, 0x00,
+	0x0c, 0x00, 0x10, 0x00, 0x00, 0x3c, 0x21, 0x00,
 	0x60, 0x01, 0x02, 0x03, 0x67, 0xd8, 0x5d, 0xc4,
 	0x01, 0x78, 0x00, 0x00, 0xe2, 0x00, 0xea, 0xe3,
 	0x05, 0x00, 0x00, 0xe3, 0x06, 0x01, 0x00, 0x4d,
@@ -194,7 +194,7 @@ static const u8 vivid_hdmi_edid[256] = {
 	0x00, 0x00, 0x1a, 0x1a, 0x1d, 0x00, 0x80, 0x51,
 	0xd0, 0x1c, 0x20, 0x40, 0x80, 0x35, 0x00, 0xc0,
 	0x1c, 0x32, 0x00, 0x00, 0x1c, 0x00, 0x00, 0x00,
-	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x27,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x63,
 };
 
 static int vidioc_querycap(struct file *file, void  *priv,
@@ -1167,12 +1167,12 @@ static int vivid_create_instance(struct platform_device *pdev, int inst)
 		if (in_type_counter[HDMI]) {
 			struct cec_adapter *adap;
 
-			adap = vivid_cec_alloc_adap(dev, 0, &pdev->dev, false);
+			adap = vivid_cec_alloc_adap(dev, 0, false);
 			ret = PTR_ERR_OR_ZERO(adap);
 			if (ret < 0)
 				goto unreg_dev;
 			dev->cec_rx_adap = adap;
-			ret = cec_register_adapter(adap);
+			ret = cec_register_adapter(adap, &pdev->dev);
 			if (ret < 0) {
 				cec_delete_adapter(adap);
 				dev->cec_rx_adap = NULL;
@@ -1222,13 +1222,12 @@ static int vivid_create_instance(struct platform_device *pdev, int inst)
 			if (dev->output_type[i] != HDMI)
 				continue;
 			dev->cec_output2bus_map[i] = bus_cnt;
-			adap = vivid_cec_alloc_adap(dev, bus_cnt,
-						     &pdev->dev, true);
+			adap = vivid_cec_alloc_adap(dev, bus_cnt, true);
 			ret = PTR_ERR_OR_ZERO(adap);
 			if (ret < 0)
 				goto unreg_dev;
 			dev->cec_tx_adap[bus_cnt] = adap;
-			ret = cec_register_adapter(adap);
+			ret = cec_register_adapter(adap, &pdev->dev);
 			if (ret < 0) {
 				cec_delete_adapter(adap);
 				dev->cec_tx_adap[bus_cnt] = NULL;
diff --git a/drivers/media/platform/vivid/vivid-core.h b/drivers/media/platform/vivid/vivid-core.h
index a7daa40d0a49..5cdf95bdc4d1 100644
--- a/drivers/media/platform/vivid/vivid-core.h
+++ b/drivers/media/platform/vivid/vivid-core.h
@@ -80,7 +80,7 @@ extern unsigned vivid_debug;
 
 struct vivid_fmt {
 	u32	fourcc;          /* v4l2 format id */
-	bool	is_yuv;
+	enum	tgp_color_enc color_enc;
 	bool	can_do_overlay;
 	u8	vdownsampling[TPG_MAX_PLANES];
 	u32	alpha_mask;
@@ -346,6 +346,7 @@ struct vivid_dev {
 	struct v4l2_dv_timings		dv_timings_out;
 	u32				colorspace_out;
 	u32				ycbcr_enc_out;
+	u32				hsv_enc_out;
 	u32				quantization_out;
 	u32				xfer_func_out;
 	u32				service_set_out;
diff --git a/drivers/media/platform/vivid/vivid-ctrls.c b/drivers/media/platform/vivid/vivid-ctrls.c
index aceb38d9f7e7..34731f71cc00 100644
--- a/drivers/media/platform/vivid/vivid-ctrls.c
+++ b/drivers/media/platform/vivid/vivid-ctrls.c
@@ -79,6 +79,7 @@
 #define VIVID_CID_MAX_EDID_BLOCKS	(VIVID_CID_VIVID_BASE + 40)
 #define VIVID_CID_PERCENTAGE_FILL	(VIVID_CID_VIVID_BASE + 41)
 #define VIVID_CID_REDUCED_FPS		(VIVID_CID_VIVID_BASE + 42)
+#define VIVID_CID_HSV_ENC		(VIVID_CID_VIVID_BASE + 43)
 
 #define VIVID_CID_STD_SIGNAL_MODE	(VIVID_CID_VIVID_BASE + 60)
 #define VIVID_CID_STANDARD		(VIVID_CID_VIVID_BASE + 61)
@@ -378,6 +379,14 @@ static int vivid_vid_cap_s_ctrl(struct v4l2_ctrl *ctrl)
 		vivid_send_source_change(dev, HDMI);
 		vivid_send_source_change(dev, WEBCAM);
 		break;
+	case VIVID_CID_HSV_ENC:
+		tpg_s_hsv_enc(&dev->tpg, ctrl->val ? V4L2_HSV_ENC_256 :
+						     V4L2_HSV_ENC_180);
+		vivid_send_source_change(dev, TV);
+		vivid_send_source_change(dev, SVID);
+		vivid_send_source_change(dev, HDMI);
+		vivid_send_source_change(dev, WEBCAM);
+		break;
 	case VIVID_CID_QUANTIZATION:
 		tpg_s_quantization(&dev->tpg, ctrl->val);
 		vivid_send_source_change(dev, TV);
@@ -778,6 +787,21 @@ static const struct v4l2_ctrl_config vivid_ctrl_ycbcr_enc = {
 	.qmenu = vivid_ctrl_ycbcr_enc_strings,
 };
 
+static const char * const vivid_ctrl_hsv_enc_strings[] = {
+	"Hue 0-179",
+	"Hue 0-256",
+	NULL,
+};
+
+static const struct v4l2_ctrl_config vivid_ctrl_hsv_enc = {
+	.ops = &vivid_vid_cap_ctrl_ops,
+	.id = VIVID_CID_HSV_ENC,
+	.name = "HSV Encoding",
+	.type = V4L2_CTRL_TYPE_MENU,
+	.max = ARRAY_SIZE(vivid_ctrl_hsv_enc_strings) - 2,
+	.qmenu = vivid_ctrl_hsv_enc_strings,
+};
+
 static const char * const vivid_ctrl_quantization_strings[] = {
 	"Default",
 	"Full Range",
@@ -1454,6 +1478,7 @@ int vivid_create_controls(struct vivid_dev *dev, bool show_ccs_cap,
 			&vivid_ctrl_colorspace, NULL);
 		v4l2_ctrl_new_custom(hdl_vid_cap, &vivid_ctrl_xfer_func, NULL);
 		v4l2_ctrl_new_custom(hdl_vid_cap, &vivid_ctrl_ycbcr_enc, NULL);
+		v4l2_ctrl_new_custom(hdl_vid_cap, &vivid_ctrl_hsv_enc, NULL);
 		v4l2_ctrl_new_custom(hdl_vid_cap, &vivid_ctrl_quantization, NULL);
 		v4l2_ctrl_new_custom(hdl_vid_cap, &vivid_ctrl_alpha_mode, NULL);
 	}
diff --git a/drivers/media/platform/vivid/vivid-vid-cap.c b/drivers/media/platform/vivid/vivid-vid-cap.c
index d5c84ecf2027..c52dd8787794 100644
--- a/drivers/media/platform/vivid/vivid-vid-cap.c
+++ b/drivers/media/platform/vivid/vivid-vid-cap.c
@@ -510,6 +510,13 @@ static unsigned vivid_ycbcr_enc_cap(struct vivid_dev *dev)
 	return dev->ycbcr_enc_out;
 }
 
+static unsigned int vivid_hsv_enc_cap(struct vivid_dev *dev)
+{
+	if (!dev->loop_video || vivid_is_webcam(dev) || vivid_is_tv_cap(dev))
+		return tpg_g_hsv_enc(&dev->tpg);
+	return dev->hsv_enc_out;
+}
+
 static unsigned vivid_quantization_cap(struct vivid_dev *dev)
 {
 	if (!dev->loop_video || vivid_is_webcam(dev) || vivid_is_tv_cap(dev))
@@ -530,7 +537,10 @@ int vivid_g_fmt_vid_cap(struct file *file, void *priv,
 	mp->pixelformat  = dev->fmt_cap->fourcc;
 	mp->colorspace   = vivid_colorspace_cap(dev);
 	mp->xfer_func    = vivid_xfer_func_cap(dev);
-	mp->ycbcr_enc    = vivid_ycbcr_enc_cap(dev);
+	if (dev->fmt_cap->color_enc == TGP_COLOR_ENC_HSV)
+		mp->hsv_enc    = vivid_hsv_enc_cap(dev);
+	else
+		mp->ycbcr_enc    = vivid_ycbcr_enc_cap(dev);
 	mp->quantization = vivid_quantization_cap(dev);
 	mp->num_planes = dev->fmt_cap->buffers;
 	for (p = 0; p < mp->num_planes; p++) {
@@ -618,7 +628,10 @@ int vivid_try_fmt_vid_cap(struct file *file, void *priv,
 		memset(pfmt[p].reserved, 0, sizeof(pfmt[p].reserved));
 	}
 	mp->colorspace = vivid_colorspace_cap(dev);
-	mp->ycbcr_enc = vivid_ycbcr_enc_cap(dev);
+	if (fmt->color_enc == TGP_COLOR_ENC_HSV)
+		mp->hsv_enc = vivid_hsv_enc_cap(dev);
+	else
+		mp->ycbcr_enc = vivid_ycbcr_enc_cap(dev);
 	mp->xfer_func = vivid_xfer_func_cap(dev);
 	mp->quantization = vivid_quantization_cap(dev);
 	memset(mp->reserved, 0, sizeof(mp->reserved));
diff --git a/drivers/media/platform/vivid/vivid-vid-common.c b/drivers/media/platform/vivid/vivid-vid-common.c
index fcda3ae4e6b0..5fc010f6ce67 100644
--- a/drivers/media/platform/vivid/vivid-vid-common.c
+++ b/drivers/media/platform/vivid/vivid-vid-common.c
@@ -48,7 +48,7 @@ struct vivid_fmt vivid_formats[] = {
 		.fourcc   = V4L2_PIX_FMT_YUYV,
 		.vdownsampling = { 1 },
 		.bit_depth = { 16 },
-		.is_yuv   = true,
+		.color_enc = TGP_COLOR_ENC_YCBCR,
 		.planes   = 1,
 		.buffers = 1,
 		.data_offset = { PLANE0_DATA_OFFSET },
@@ -57,7 +57,7 @@ struct vivid_fmt vivid_formats[] = {
 		.fourcc   = V4L2_PIX_FMT_UYVY,
 		.vdownsampling = { 1 },
 		.bit_depth = { 16 },
-		.is_yuv   = true,
+		.color_enc = TGP_COLOR_ENC_YCBCR,
 		.planes   = 1,
 		.buffers = 1,
 	},
@@ -65,7 +65,7 @@ struct vivid_fmt vivid_formats[] = {
 		.fourcc   = V4L2_PIX_FMT_YVYU,
 		.vdownsampling = { 1 },
 		.bit_depth = { 16 },
-		.is_yuv   = true,
+		.color_enc = TGP_COLOR_ENC_YCBCR,
 		.planes   = 1,
 		.buffers = 1,
 	},
@@ -73,7 +73,7 @@ struct vivid_fmt vivid_formats[] = {
 		.fourcc   = V4L2_PIX_FMT_VYUY,
 		.vdownsampling = { 1 },
 		.bit_depth = { 16 },
-		.is_yuv   = true,
+		.color_enc = TGP_COLOR_ENC_YCBCR,
 		.planes   = 1,
 		.buffers = 1,
 	},
@@ -81,7 +81,7 @@ struct vivid_fmt vivid_formats[] = {
 		.fourcc   = V4L2_PIX_FMT_YUV422P,
 		.vdownsampling = { 1, 1, 1 },
 		.bit_depth = { 8, 4, 4 },
-		.is_yuv   = true,
+		.color_enc = TGP_COLOR_ENC_YCBCR,
 		.planes   = 3,
 		.buffers = 1,
 	},
@@ -89,7 +89,7 @@ struct vivid_fmt vivid_formats[] = {
 		.fourcc   = V4L2_PIX_FMT_YUV420,
 		.vdownsampling = { 1, 2, 2 },
 		.bit_depth = { 8, 4, 4 },
-		.is_yuv   = true,
+		.color_enc = TGP_COLOR_ENC_YCBCR,
 		.planes   = 3,
 		.buffers = 1,
 	},
@@ -97,7 +97,7 @@ struct vivid_fmt vivid_formats[] = {
 		.fourcc   = V4L2_PIX_FMT_YVU420,
 		.vdownsampling = { 1, 2, 2 },
 		.bit_depth = { 8, 4, 4 },
-		.is_yuv   = true,
+		.color_enc = TGP_COLOR_ENC_YCBCR,
 		.planes   = 3,
 		.buffers = 1,
 	},
@@ -105,7 +105,7 @@ struct vivid_fmt vivid_formats[] = {
 		.fourcc   = V4L2_PIX_FMT_NV12,
 		.vdownsampling = { 1, 2 },
 		.bit_depth = { 8, 8 },
-		.is_yuv   = true,
+		.color_enc = TGP_COLOR_ENC_YCBCR,
 		.planes   = 2,
 		.buffers = 1,
 	},
@@ -113,7 +113,7 @@ struct vivid_fmt vivid_formats[] = {
 		.fourcc   = V4L2_PIX_FMT_NV21,
 		.vdownsampling = { 1, 2 },
 		.bit_depth = { 8, 8 },
-		.is_yuv   = true,
+		.color_enc = TGP_COLOR_ENC_YCBCR,
 		.planes   = 2,
 		.buffers = 1,
 	},
@@ -121,7 +121,7 @@ struct vivid_fmt vivid_formats[] = {
 		.fourcc   = V4L2_PIX_FMT_NV16,
 		.vdownsampling = { 1, 1 },
 		.bit_depth = { 8, 8 },
-		.is_yuv   = true,
+		.color_enc = TGP_COLOR_ENC_YCBCR,
 		.planes   = 2,
 		.buffers = 1,
 	},
@@ -129,7 +129,7 @@ struct vivid_fmt vivid_formats[] = {
 		.fourcc   = V4L2_PIX_FMT_NV61,
 		.vdownsampling = { 1, 1 },
 		.bit_depth = { 8, 8 },
-		.is_yuv   = true,
+		.color_enc = TGP_COLOR_ENC_YCBCR,
 		.planes   = 2,
 		.buffers = 1,
 	},
@@ -137,7 +137,7 @@ struct vivid_fmt vivid_formats[] = {
 		.fourcc   = V4L2_PIX_FMT_NV24,
 		.vdownsampling = { 1, 1 },
 		.bit_depth = { 8, 16 },
-		.is_yuv   = true,
+		.color_enc = TGP_COLOR_ENC_YCBCR,
 		.planes   = 2,
 		.buffers = 1,
 	},
@@ -145,7 +145,7 @@ struct vivid_fmt vivid_formats[] = {
 		.fourcc   = V4L2_PIX_FMT_NV42,
 		.vdownsampling = { 1, 1 },
 		.bit_depth = { 8, 16 },
-		.is_yuv   = true,
+		.color_enc = TGP_COLOR_ENC_YCBCR,
 		.planes   = 2,
 		.buffers = 1,
 	},
@@ -184,7 +184,7 @@ struct vivid_fmt vivid_formats[] = {
 		.fourcc   = V4L2_PIX_FMT_GREY,
 		.vdownsampling = { 1 },
 		.bit_depth = { 8 },
-		.is_yuv   = true,
+		.color_enc = TGP_COLOR_ENC_LUMA,
 		.planes   = 1,
 		.buffers = 1,
 	},
@@ -192,7 +192,7 @@ struct vivid_fmt vivid_formats[] = {
 		.fourcc   = V4L2_PIX_FMT_Y16,
 		.vdownsampling = { 1 },
 		.bit_depth = { 16 },
-		.is_yuv   = true,
+		.color_enc = TGP_COLOR_ENC_LUMA,
 		.planes   = 1,
 		.buffers = 1,
 	},
@@ -200,7 +200,7 @@ struct vivid_fmt vivid_formats[] = {
 		.fourcc   = V4L2_PIX_FMT_Y16_BE,
 		.vdownsampling = { 1 },
 		.bit_depth = { 16 },
-		.is_yuv   = true,
+		.color_enc = TGP_COLOR_ENC_LUMA,
 		.planes   = 1,
 		.buffers = 1,
 	},
@@ -445,6 +445,22 @@ struct vivid_fmt vivid_formats[] = {
 		.planes   = 1,
 		.buffers = 1,
 	},
+	{
+		.fourcc   = V4L2_PIX_FMT_HSV24, /* HSV 24bits */
+		.color_enc = TGP_COLOR_ENC_HSV,
+		.vdownsampling = { 1 },
+		.bit_depth = { 24 },
+		.planes   = 1,
+		.buffers = 1,
+	},
+	{
+		.fourcc   = V4L2_PIX_FMT_HSV32, /* HSV 32bits */
+		.color_enc = TGP_COLOR_ENC_HSV,
+		.vdownsampling = { 1 },
+		.bit_depth = { 32 },
+		.planes   = 1,
+		.buffers = 1,
+	},
 
 	/* Multiplanar formats */
 
@@ -452,7 +468,7 @@ struct vivid_fmt vivid_formats[] = {
 		.fourcc   = V4L2_PIX_FMT_NV16M,
 		.vdownsampling = { 1, 1 },
 		.bit_depth = { 8, 8 },
-		.is_yuv   = true,
+		.color_enc = TGP_COLOR_ENC_YCBCR,
 		.planes   = 2,
 		.buffers = 2,
 		.data_offset = { PLANE0_DATA_OFFSET, 0 },
@@ -461,7 +477,7 @@ struct vivid_fmt vivid_formats[] = {
 		.fourcc   = V4L2_PIX_FMT_NV61M,
 		.vdownsampling = { 1, 1 },
 		.bit_depth = { 8, 8 },
-		.is_yuv   = true,
+		.color_enc = TGP_COLOR_ENC_YCBCR,
 		.planes   = 2,
 		.buffers = 2,
 		.data_offset = { 0, PLANE0_DATA_OFFSET },
@@ -470,7 +486,7 @@ struct vivid_fmt vivid_formats[] = {
 		.fourcc   = V4L2_PIX_FMT_YUV420M,
 		.vdownsampling = { 1, 2, 2 },
 		.bit_depth = { 8, 4, 4 },
-		.is_yuv   = true,
+		.color_enc = TGP_COLOR_ENC_YCBCR,
 		.planes   = 3,
 		.buffers = 3,
 	},
@@ -478,7 +494,7 @@ struct vivid_fmt vivid_formats[] = {
 		.fourcc   = V4L2_PIX_FMT_YVU420M,
 		.vdownsampling = { 1, 2, 2 },
 		.bit_depth = { 8, 4, 4 },
-		.is_yuv   = true,
+		.color_enc = TGP_COLOR_ENC_YCBCR,
 		.planes   = 3,
 		.buffers = 3,
 	},
@@ -486,7 +502,7 @@ struct vivid_fmt vivid_formats[] = {
 		.fourcc   = V4L2_PIX_FMT_NV12M,
 		.vdownsampling = { 1, 2 },
 		.bit_depth = { 8, 8 },
-		.is_yuv   = true,
+		.color_enc = TGP_COLOR_ENC_YCBCR,
 		.planes   = 2,
 		.buffers = 2,
 	},
@@ -494,7 +510,7 @@ struct vivid_fmt vivid_formats[] = {
 		.fourcc   = V4L2_PIX_FMT_NV21M,
 		.vdownsampling = { 1, 2 },
 		.bit_depth = { 8, 8 },
-		.is_yuv   = true,
+		.color_enc = TGP_COLOR_ENC_YCBCR,
 		.planes   = 2,
 		.buffers = 2,
 	},
@@ -502,7 +518,7 @@ struct vivid_fmt vivid_formats[] = {
 		.fourcc   = V4L2_PIX_FMT_YUV422M,
 		.vdownsampling = { 1, 1, 1 },
 		.bit_depth = { 8, 4, 4 },
-		.is_yuv   = true,
+		.color_enc = TGP_COLOR_ENC_YCBCR,
 		.planes   = 3,
 		.buffers = 3,
 	},
@@ -510,7 +526,7 @@ struct vivid_fmt vivid_formats[] = {
 		.fourcc   = V4L2_PIX_FMT_YVU422M,
 		.vdownsampling = { 1, 1, 1 },
 		.bit_depth = { 8, 4, 4 },
-		.is_yuv   = true,
+		.color_enc = TGP_COLOR_ENC_YCBCR,
 		.planes   = 3,
 		.buffers = 3,
 	},
@@ -518,7 +534,7 @@ struct vivid_fmt vivid_formats[] = {
 		.fourcc   = V4L2_PIX_FMT_YUV444M,
 		.vdownsampling = { 1, 1, 1 },
 		.bit_depth = { 8, 8, 8 },
-		.is_yuv   = true,
+		.color_enc = TGP_COLOR_ENC_YCBCR,
 		.planes   = 3,
 		.buffers = 3,
 	},
@@ -526,7 +542,7 @@ struct vivid_fmt vivid_formats[] = {
 		.fourcc   = V4L2_PIX_FMT_YVU444M,
 		.vdownsampling = { 1, 1, 1 },
 		.bit_depth = { 8, 8, 8 },
-		.is_yuv   = true,
+		.color_enc = TGP_COLOR_ENC_YCBCR,
 		.planes   = 3,
 		.buffers = 3,
 	},
@@ -616,6 +632,7 @@ void fmt_sp2mp(const struct v4l2_format *sp_fmt, struct v4l2_format *mp_fmt)
 	mp->field = pix->field;
 	mp->colorspace = pix->colorspace;
 	mp->xfer_func = pix->xfer_func;
+	/* Also copies hsv_enc */
 	mp->ycbcr_enc = pix->ycbcr_enc;
 	mp->quantization = pix->quantization;
 	mp->num_planes = 1;
@@ -645,6 +662,7 @@ int fmt_sp2mp_func(struct file *file, void *priv,
 	pix->field = mp->field;
 	pix->colorspace = mp->colorspace;
 	pix->xfer_func = mp->xfer_func;
+	/* Also copies hsv_enc */
 	pix->ycbcr_enc = mp->ycbcr_enc;
 	pix->quantization = mp->quantization;
 	pix->sizeimage = ppix->sizeimage;
diff --git a/drivers/media/platform/vivid/vivid-vid-out.c b/drivers/media/platform/vivid/vivid-vid-out.c
index dd609eea4753..7ba52ee98371 100644
--- a/drivers/media/platform/vivid/vivid-vid-out.c
+++ b/drivers/media/platform/vivid/vivid-vid-out.c
@@ -256,6 +256,7 @@ void vivid_update_format_out(struct vivid_dev *dev)
 	}
 	dev->xfer_func_out = V4L2_XFER_FUNC_DEFAULT;
 	dev->ycbcr_enc_out = V4L2_YCBCR_ENC_DEFAULT;
+	dev->hsv_enc_out = V4L2_HSV_ENC_180;
 	dev->quantization_out = V4L2_QUANTIZATION_DEFAULT;
 	dev->compose_out = dev->sink_rect;
 	dev->compose_bounds_out = dev->sink_rect;
diff --git a/drivers/media/platform/vsp1/vsp1_drv.c b/drivers/media/platform/vsp1/vsp1_drv.c
index 57c713a4e1df..aa237b48ad55 100644
--- a/drivers/media/platform/vsp1/vsp1_drv.c
+++ b/drivers/media/platform/vsp1/vsp1_drv.c
@@ -770,6 +770,7 @@ static const struct of_device_id vsp1_of_match[] = {
 	{ .compatible = "renesas,vsp2" },
 	{ },
 };
+MODULE_DEVICE_TABLE(of, vsp1_of_match);
 
 static struct platform_driver vsp1_platform_driver = {
 	.probe		= vsp1_probe,
diff --git a/drivers/media/platform/vsp1/vsp1_pipe.c b/drivers/media/platform/vsp1/vsp1_pipe.c
index 756ca4ea7668..280ba0804699 100644
--- a/drivers/media/platform/vsp1/vsp1_pipe.c
+++ b/drivers/media/platform/vsp1/vsp1_pipe.c
@@ -78,6 +78,14 @@ static const struct vsp1_format_info vsp1_video_formats[] = {
 	  VI6_FMT_ARGB_8888, VI6_RPF_DSWAP_P_LLS | VI6_RPF_DSWAP_P_LWS |
 	  VI6_RPF_DSWAP_P_WDS | VI6_RPF_DSWAP_P_BTS,
 	  1, { 32, 0, 0 }, false, false, 1, 1, false },
+	{ V4L2_PIX_FMT_HSV24, MEDIA_BUS_FMT_AHSV8888_1X32,
+	  VI6_FMT_RGB_888, VI6_RPF_DSWAP_P_LLS | VI6_RPF_DSWAP_P_LWS |
+	  VI6_RPF_DSWAP_P_WDS | VI6_RPF_DSWAP_P_BTS,
+	  1, { 24, 0, 0 }, false, false, 1, 1, false },
+	{ V4L2_PIX_FMT_HSV32, MEDIA_BUS_FMT_AHSV8888_1X32,
+	  VI6_FMT_ARGB_8888, VI6_RPF_DSWAP_P_LLS | VI6_RPF_DSWAP_P_LWS |
+	  VI6_RPF_DSWAP_P_WDS | VI6_RPF_DSWAP_P_BTS,
+	  1, { 32, 0, 0 }, false, false, 1, 1, false },
 	{ V4L2_PIX_FMT_UYVY, MEDIA_BUS_FMT_AYUV8_1X32,
 	  VI6_FMT_YUYV_422, VI6_RPF_DSWAP_P_LLS | VI6_RPF_DSWAP_P_LWS |
 	  VI6_RPF_DSWAP_P_WDS | VI6_RPF_DSWAP_P_BTS,
diff --git a/drivers/media/platform/vsp1/vsp1_rwpf.c b/drivers/media/platform/vsp1/vsp1_rwpf.c
index 66e4d7ea31d6..04104ef28fb5 100644
--- a/drivers/media/platform/vsp1/vsp1_rwpf.c
+++ b/drivers/media/platform/vsp1/vsp1_rwpf.c
@@ -37,6 +37,7 @@ static int vsp1_rwpf_enum_mbus_code(struct v4l2_subdev *subdev,
 {
 	static const unsigned int codes[] = {
 		MEDIA_BUS_FMT_ARGB8888_1X32,
+		MEDIA_BUS_FMT_AHSV8888_1X32,
 		MEDIA_BUS_FMT_AYUV8_1X32,
 	};
 
@@ -78,6 +79,7 @@ static int vsp1_rwpf_set_format(struct v4l2_subdev *subdev,
 
 	/* Default to YUV if the requested format is not supported. */
 	if (fmt->format.code != MEDIA_BUS_FMT_ARGB8888_1X32 &&
+	    fmt->format.code != MEDIA_BUS_FMT_AHSV8888_1X32 &&
 	    fmt->format.code != MEDIA_BUS_FMT_AYUV8_1X32)
 		fmt->format.code = MEDIA_BUS_FMT_AYUV8_1X32;
 
diff --git a/drivers/media/platform/vsp1/vsp1_video.c b/drivers/media/platform/vsp1/vsp1_video.c
index d351b9c768d2..41e8b096dab8 100644
--- a/drivers/media/platform/vsp1/vsp1_video.c
+++ b/drivers/media/platform/vsp1/vsp1_video.c
@@ -124,6 +124,11 @@ static int __vsp1_video_try_format(struct vsp1_video *video,
 	pix->pixelformat = info->fourcc;
 	pix->colorspace = V4L2_COLORSPACE_SRGB;
 	pix->field = V4L2_FIELD_NONE;
+
+	if (info->fourcc == V4L2_PIX_FMT_HSV24 ||
+	    info->fourcc == V4L2_PIX_FMT_HSV32)
+		pix->hsv_enc = V4L2_HSV_ENC_256;
+
 	memset(pix->reserved, 0, sizeof(pix->reserved));
 
 	/* Align the width and height for YUV 4:2:2 and 4:2:0 formats. */
diff --git a/drivers/media/radio/radio-gemtek.c b/drivers/media/radio/radio-gemtek.c
index cff1eb144a5c..ca051ccbc3e4 100644
--- a/drivers/media/radio/radio-gemtek.c
+++ b/drivers/media/radio/radio-gemtek.c
@@ -67,14 +67,10 @@ module_param(probe, bool, 0444);
 MODULE_PARM_DESC(probe, "Enable automatic device probing.");
 
 module_param(hardmute, bool, 0644);
-MODULE_PARM_DESC(hardmute, "Enable 'hard muting' by shutting down PLL, may "
-	 "reduce static noise.");
+MODULE_PARM_DESC(hardmute, "Enable 'hard muting' by shutting down PLL, may reduce static noise.");
 
 module_param_array(io, int, NULL, 0444);
-MODULE_PARM_DESC(io, "Force I/O ports for the GemTek Radio card if automatic "
-	 "probing is disabled or fails. The most common I/O ports are: 0x20c "
-	 "0x30c, 0x24c or 0x34c (0x20c, 0x248 and 0x28c have been reported to "
-	 "work for the combined sound/radiocard).");
+MODULE_PARM_DESC(io, "Force I/O ports for the GemTek Radio card if automatic probing is disabled or fails. The most common I/O ports are: 0x20c 0x30c, 0x24c or 0x34c (0x20c, 0x248 and 0x28c have been reported to work for the combined sound/radiocard).");
 
 module_param_array(radio_nr, int, NULL, 0444);
 MODULE_PARM_DESC(radio_nr, "Radio device numbers");
diff --git a/drivers/media/radio/radio-wl1273.c b/drivers/media/radio/radio-wl1273.c
index a93f681aa9d6..9ce4b12299b4 100644
--- a/drivers/media/radio/radio-wl1273.c
+++ b/drivers/media/radio/radio-wl1273.c
@@ -2068,8 +2068,7 @@ static int wl1273_fm_radio_probe(struct platform_device *pdev)
 			goto err_request_irq;
 		}
 	} else {
-		dev_err(radio->dev, WL1273_FM_DRIVER_NAME ": Core WL1273 IRQ"
-			" not configured");
+		dev_err(radio->dev, WL1273_FM_DRIVER_NAME ": Core WL1273 IRQ not configured");
 		r = -EINVAL;
 		goto pdata_err;
 	}
diff --git a/drivers/media/radio/si470x/radio-si470x-i2c.c b/drivers/media/radio/si470x/radio-si470x-i2c.c
index ee0470a3196b..9b81969d76b5 100644
--- a/drivers/media/radio/si470x/radio-si470x-i2c.c
+++ b/drivers/media/radio/si470x/radio-si470x-i2c.c
@@ -387,8 +387,8 @@ static int si470x_i2c_probe(struct i2c_client *client,
 			radio->registers[DEVICEID], radio->registers[SI_CHIPID]);
 	if ((radio->registers[SI_CHIPID] & SI_CHIPID_FIRMWARE) < RADIO_FW_VERSION) {
 		dev_warn(&client->dev,
-			"This driver is known to work with "
-			"firmware version %hu,\n", RADIO_FW_VERSION);
+			"This driver is known to work with firmware version %hu,\n",
+			RADIO_FW_VERSION);
 		dev_warn(&client->dev,
 			"but the device has firmware version %hu.\n",
 			radio->registers[SI_CHIPID] & SI_CHIPID_FIRMWARE);
@@ -400,8 +400,7 @@ static int si470x_i2c_probe(struct i2c_client *client,
 		dev_warn(&client->dev,
 			"If you have some trouble using this driver,\n");
 		dev_warn(&client->dev,
-			"please report to V4L ML at "
-			"linux-media@vger.kernel.org\n");
+			"please report to V4L ML at linux-media@vger.kernel.org\n");
 	}
 
 	/* set initial frequency */
diff --git a/drivers/media/radio/si470x/radio-si470x-usb.c b/drivers/media/radio/si470x/radio-si470x-usb.c
index 4b132c29f290..1add136d37a3 100644
--- a/drivers/media/radio/si470x/radio-si470x-usb.c
+++ b/drivers/media/radio/si470x/radio-si470x-usb.c
@@ -351,8 +351,8 @@ static int si470x_get_scratch_page_versions(struct si470x_device *radio)
 	retval = si470x_get_report(radio, radio->usb_buf, SCRATCH_REPORT_SIZE);
 
 	if (retval < 0)
-		dev_warn(&radio->intf->dev, "si470x_get_scratch: "
-			"si470x_get_report returned %d\n", retval);
+		dev_warn(&radio->intf->dev, "si470x_get_scratch: si470x_get_report returned %d\n",
+			 retval);
 	else {
 		radio->software_version = radio->usb_buf[1];
 		radio->hardware_version = radio->usb_buf[2];
@@ -688,8 +688,8 @@ static int si470x_usb_driver_probe(struct usb_interface *intf,
 			radio->registers[DEVICEID], radio->registers[SI_CHIPID]);
 	if ((radio->registers[SI_CHIPID] & SI_CHIPID_FIRMWARE) < RADIO_FW_VERSION) {
 		dev_warn(&intf->dev,
-			"This driver is known to work with "
-			"firmware version %hu,\n", RADIO_FW_VERSION);
+			"This driver is known to work with firmware version %hu,\n",
+			RADIO_FW_VERSION);
 		dev_warn(&intf->dev,
 			"but the device has firmware version %hu.\n",
 			radio->registers[SI_CHIPID] & SI_CHIPID_FIRMWARE);
@@ -705,8 +705,8 @@ static int si470x_usb_driver_probe(struct usb_interface *intf,
 			radio->software_version, radio->hardware_version);
 	if (radio->hardware_version < RADIO_HW_VERSION) {
 		dev_warn(&intf->dev,
-			"This driver is known to work with "
-			"hardware version %hu,\n", RADIO_HW_VERSION);
+			"This driver is known to work with hardware version %hu,\n",
+			RADIO_HW_VERSION);
 		dev_warn(&intf->dev,
 			"but the device has hardware version %hu.\n",
 			radio->hardware_version);
@@ -718,8 +718,7 @@ static int si470x_usb_driver_probe(struct usb_interface *intf,
 		dev_warn(&intf->dev,
 			"If you have some trouble using this driver,\n");
 		dev_warn(&intf->dev,
-			"please report to V4L ML at "
-			"linux-media@vger.kernel.org\n");
+			"please report to V4L ML at linux-media@vger.kernel.org\n");
 	}
 
 	/* set led to connect state */
diff --git a/drivers/media/radio/si4713/si4713.c b/drivers/media/radio/si4713/si4713.c
index 0b04b56571da..bc2a8b5442ae 100644
--- a/drivers/media/radio/si4713/si4713.c
+++ b/drivers/media/radio/si4713/si4713.c
@@ -716,9 +716,9 @@ static int si4713_tx_tune_status(struct si4713_device *sdev, u8 intack,
 		*power = val[5];
 		*antcap = val[6];
 		*noise = val[7];
-		v4l2_dbg(1, debug, &sdev->sd, "%s: response: %d x 10 kHz "
-				"(power %d, antcap %d, rnl %d)\n", __func__,
-				*frequency, *power, *antcap, *noise);
+		v4l2_dbg(1, debug, &sdev->sd,
+			 "%s: response: %d x 10 kHz (power %d, antcap %d, rnl %d)\n",
+			 __func__, *frequency, *power, *antcap, *noise);
 	}
 
 	return err;
@@ -758,10 +758,9 @@ static int si4713_tx_rds_buff(struct si4713_device *sdev, u8 mode, u16 rdsb,
 		v4l2_dbg(1, debug, &sdev->sd,
 			"%s: status=0x%02x\n", __func__, val[0]);
 		*cbleft = (s8)val[2] - val[3];
-		v4l2_dbg(1, debug, &sdev->sd, "%s: response: interrupts"
-				" 0x%02x cb avail: %d cb used %d fifo avail"
-				" %d fifo used %d\n", __func__, val[1],
-				val[2], val[3], val[4], val[5]);
+		v4l2_dbg(1, debug, &sdev->sd,
+			 "%s: response: interrupts 0x%02x cb avail: %d cb used %d fifo avail %d fifo used %d\n",
+			 __func__, val[1], val[2], val[3], val[4], val[5]);
 	}
 
 	return err;
diff --git a/drivers/media/radio/wl128x/fmdrv_common.c b/drivers/media/radio/wl128x/fmdrv_common.c
index 642b89c66bcb..4be07656fbc0 100644
--- a/drivers/media/radio/wl128x/fmdrv_common.c
+++ b/drivers/media/radio/wl128x/fmdrv_common.c
@@ -212,14 +212,14 @@ inline void dump_tx_skb_data(struct sk_buff *skb)
 
 	len_org = skb->len - FM_CMD_MSG_HDR_SIZE;
 	if (len_org > 0) {
-		printk("\n   data(%d): ", cmd_hdr->dlen);
+		printk(KERN_CONT "\n   data(%d): ", cmd_hdr->dlen);
 		len = min(len_org, 14);
 		for (index = 0; index < len; index++)
-			printk("%x ",
+			printk(KERN_CONT "%x ",
 			       skb->data[FM_CMD_MSG_HDR_SIZE + index]);
-		printk("%s", (len_org > 14) ? ".." : "");
+		printk(KERN_CONT "%s", (len_org > 14) ? ".." : "");
 	}
-	printk("\n");
+	printk(KERN_CONT "\n");
 }
 
  /* To dump incoming FM Channel-8 packets */
@@ -230,21 +230,21 @@ inline void dump_rx_skb_data(struct sk_buff *skb)
 	struct fm_event_msg_hdr *evt_hdr;
 
 	evt_hdr = (struct fm_event_msg_hdr *)skb->data;
-	printk(KERN_INFO ">> hdr:%02x len:%02x sts:%02x numhci:%02x "
-	    "opcode:%02x type:%s dlen:%02x", evt_hdr->hdr, evt_hdr->len,
-	    evt_hdr->status, evt_hdr->num_fm_hci_cmds, evt_hdr->op,
-	    (evt_hdr->rd_wr) ? "RD" : "WR", evt_hdr->dlen);
+	printk(KERN_INFO ">> hdr:%02x len:%02x sts:%02x numhci:%02x opcode:%02x type:%s dlen:%02x",
+	       evt_hdr->hdr, evt_hdr->len,
+	       evt_hdr->status, evt_hdr->num_fm_hci_cmds, evt_hdr->op,
+	       (evt_hdr->rd_wr) ? "RD" : "WR", evt_hdr->dlen);
 
 	len_org = skb->len - FM_EVT_MSG_HDR_SIZE;
 	if (len_org > 0) {
-		printk("\n   data(%d): ", evt_hdr->dlen);
+		printk(KERN_CONT "\n   data(%d): ", evt_hdr->dlen);
 		len = min(len_org, 14);
 		for (index = 0; index < len; index++)
-			printk("%x ",
+			printk(KERN_CONT "%x ",
 			       skb->data[FM_EVT_MSG_HDR_SIZE + index]);
-		printk("%s", (len_org > 14) ? ".." : "");
+		printk(KERN_CONT "%s", (len_org > 14) ? ".." : "");
 	}
-	printk("\n");
+	printk(KERN_CONT "\n");
 }
 #endif
 
@@ -271,9 +271,9 @@ static void recv_tasklet(unsigned long arg)
 	/* Process all packets in the RX queue */
 	while ((skb = skb_dequeue(&fmdev->rx_q))) {
 		if (skb->len < sizeof(struct fm_event_msg_hdr)) {
-			fmerr("skb(%p) has only %d bytes, "
-				"at least need %zu bytes to decode\n", skb,
-				skb->len, sizeof(struct fm_event_msg_hdr));
+			fmerr("skb(%p) has only %d bytes, at least need %zu bytes to decode\n",
+			      skb,
+			      skb->len, sizeof(struct fm_event_msg_hdr));
 			kfree_skb(skb);
 			continue;
 		}
@@ -472,8 +472,7 @@ int fmc_send_cmd(struct fmdev *fmdev, u8 fm_op, u16 type, void *payload,
 
 	if (!wait_for_completion_timeout(&fmdev->maintask_comp,
 					 FM_DRV_TX_TIMEOUT)) {
-		fmerr("Timeout(%d sec),didn't get reg"
-			   "completion signal from RX tasklet\n",
+		fmerr("Timeout(%d sec),didn't get regcompletion signal from RX tasklet\n",
 			   jiffies_to_msecs(FM_DRV_TX_TIMEOUT) / 1000);
 		return -ETIMEDOUT;
 	}
@@ -523,8 +522,7 @@ static inline int check_cmdresp_status(struct fmdev *fmdev,
 
 	fm_evt_hdr = (void *)(*skb)->data;
 	if (fm_evt_hdr->status != 0) {
-		fmerr("irq: opcode %x response status is not zero "
-				"Initiating irq recovery process\n",
+		fmerr("irq: opcode %x response status is not zero Initiating irq recovery process\n",
 				fm_evt_hdr->op);
 
 		mod_timer(&fmdev->irq_info.timer, jiffies + FM_DRV_TX_TIMEOUT);
@@ -564,8 +562,7 @@ static void int_timeout_handler(unsigned long data)
 		 * reset stage index & retry count values */
 		fmirq->stage = 0;
 		fmirq->retry = 0;
-		fmerr("Recovery action failed during"
-				"irq processing, max retry reached\n");
+		fmerr("Recovery action failed duringirq processing, max retry reached\n");
 		return;
 	}
 	fm_irq_call_stage(fmdev, FM_SEND_INTMSK_CMD_IDX);
@@ -1516,14 +1513,13 @@ int fmc_prepare(struct fmdev *fmdev)
 
 		if (!wait_for_completion_timeout(&wait_for_fmdrv_reg_comp,
 						 FM_ST_REG_TIMEOUT)) {
-			fmerr("Timeout(%d sec), didn't get reg "
-					"completion signal from ST\n",
+			fmerr("Timeout(%d sec), didn't get reg completion signal from ST\n",
 					jiffies_to_msecs(FM_ST_REG_TIMEOUT) / 1000);
 			return -ETIMEDOUT;
 		}
 		if (fmdev->streg_cbdata != 0) {
-			fmerr("ST reg comp CB called with error "
-					"status %d\n", fmdev->streg_cbdata);
+			fmerr("ST reg comp CB called with error status %d\n",
+			      fmdev->streg_cbdata);
 			return -EAGAIN;
 		}
 
diff --git a/drivers/media/radio/wl128x/fmdrv_rx.c b/drivers/media/radio/wl128x/fmdrv_rx.c
index cfaeb2417fbb..e7455f82fadc 100644
--- a/drivers/media/radio/wl128x/fmdrv_rx.c
+++ b/drivers/media/radio/wl128x/fmdrv_rx.c
@@ -120,8 +120,8 @@ int fm_rx_set_freq(struct fmdev *fmdev, u32 freq)
 	curr_frq_in_khz = (fmdev->rx.region.bot_freq + ((u32)curr_frq * FM_FREQ_MUL));
 
 	if (curr_frq_in_khz != freq) {
-		pr_info("Frequency is set to (%d) but "
-			   "requested freq is (%d)\n", curr_frq_in_khz, freq);
+		pr_info("Frequency is set to (%d) but requested freq is (%d)\n",
+			curr_frq_in_khz, freq);
 	}
 
 	/* Update local cache  */
@@ -390,8 +390,8 @@ int fm_rx_set_region(struct fmdev *fmdev, u8 region_to_set)
 		new_frq = fmdev->rx.region.top_freq;
 
 	if (new_frq) {
-		fmdbg("Current freq is not within band limit boundary,"
-				"switching to %d KHz\n", new_frq);
+		fmdbg("Current freq is not within band limit boundary,switching to %d KHz\n",
+		      new_frq);
 		 /* Current RX frequency is not in range. So, update it */
 		ret = fm_rx_set_freq(fmdev, new_frq);
 	}
diff --git a/drivers/media/rc/Kconfig b/drivers/media/rc/Kconfig
index 370e16e07867..629e8ca15ab3 100644
--- a/drivers/media/rc/Kconfig
+++ b/drivers/media/rc/Kconfig
@@ -389,4 +389,21 @@ config IR_SUNXI
 	   To compile this driver as a module, choose M here: the module will
 	   be called sunxi-ir.
 
+config IR_SERIAL
+	tristate "Homebrew Serial Port Receiver"
+	depends on RC_CORE
+	---help---
+	   Say Y if you want to use Homebrew Serial Port Receivers and
+	   Transceivers.
+
+	   To compile this driver as a module, choose M here: the module will
+	   be called serial-ir.
+
+config IR_SERIAL_TRANSMITTER
+	bool "Serial Port Transmitter"
+	default y
+	depends on IR_SERIAL
+	---help---
+	   Serial Port Transmitter support
+
 endif #RC_DEVICES
diff --git a/drivers/media/rc/Makefile b/drivers/media/rc/Makefile
index 379a5c0f1379..3a984ee301e2 100644
--- a/drivers/media/rc/Makefile
+++ b/drivers/media/rc/Makefile
@@ -37,3 +37,4 @@ obj-$(CONFIG_IR_TTUSBIR) += ttusbir.o
 obj-$(CONFIG_RC_ST) += st_rc.o
 obj-$(CONFIG_IR_SUNXI) += sunxi-cir.o
 obj-$(CONFIG_IR_IMG) += img-ir/
+obj-$(CONFIG_IR_SERIAL) += serial_ir.o
diff --git a/drivers/media/rc/ati_remote.c b/drivers/media/rc/ati_remote.c
index 9f5b59706741..0884b7dc0e71 100644
--- a/drivers/media/rc/ati_remote.c
+++ b/drivers/media/rc/ati_remote.c
@@ -527,8 +527,7 @@ static void ati_remote_input_report(struct urb *urb)
 	remote_num = (data[3] >> 4) & 0x0f;
 	if (channel_mask & (1 << (remote_num + 1))) {
 		dbginfo(&ati_remote->interface->dev,
-			"Masked input from channel 0x%02x: data %02x, "
-			"mask= 0x%02lx\n",
+			"Masked input from channel 0x%02x: data %02x, mask= 0x%02lx\n",
 			remote_num, data[2], channel_mask);
 		return;
 	}
diff --git a/drivers/media/rc/ene_ir.c b/drivers/media/rc/ene_ir.c
index d1c61cd035f6..bd5512e64aea 100644
--- a/drivers/media/rc/ene_ir.c
+++ b/drivers/media/rc/ene_ir.c
@@ -1210,8 +1210,7 @@ MODULE_PARM_DESC(txsim,
 
 MODULE_DEVICE_TABLE(pnp, ene_ids);
 MODULE_DESCRIPTION
-	("Infrared input driver for KB3926B/C/D/E/F "
-	"(aka ENE0100/ENE0200/ENE0201/ENE0202) CIR port");
+	("Infrared input driver for KB3926B/C/D/E/F (aka ENE0100/ENE0200/ENE0201/ENE0202) CIR port");
 
 MODULE_AUTHOR("Maxim Levitsky");
 MODULE_LICENSE("GPL");
diff --git a/drivers/media/rc/fintek-cir.c b/drivers/media/rc/fintek-cir.c
index bd7b3bdb1a88..ecab69ea3d51 100644
--- a/drivers/media/rc/fintek-cir.c
+++ b/drivers/media/rc/fintek-cir.c
@@ -104,11 +104,7 @@ static inline void fintek_cir_reg_write(struct fintek_dev *fintek, u8 val, u8 of
 /* read val from cir config register */
 static u8 fintek_cir_reg_read(struct fintek_dev *fintek, u8 offset)
 {
-	u8 val;
-
-	val = inb(fintek->cir_addr + offset);
-
-	return val;
+	return inb(fintek->cir_addr + offset);
 }
 
 /* dump current cir register contents */
diff --git a/drivers/media/rc/imon.c b/drivers/media/rc/imon.c
index 86cc70fe2534..0785a24af8fc 100644
--- a/drivers/media/rc/imon.c
+++ b/drivers/media/rc/imon.c
@@ -441,13 +441,11 @@ MODULE_PARM_DESC(debug, "Debug messages: 0=no, 1=yes (default: no)");
 /* lcd, vfd, vga or none? should be auto-detected, but can be overridden... */
 static int display_type;
 module_param(display_type, int, S_IRUGO);
-MODULE_PARM_DESC(display_type, "Type of attached display. 0=autodetect, "
-		 "1=vfd, 2=lcd, 3=vga, 4=none (default: autodetect)");
+MODULE_PARM_DESC(display_type, "Type of attached display. 0=autodetect, 1=vfd, 2=lcd, 3=vga, 4=none (default: autodetect)");
 
 static int pad_stabilize = 1;
 module_param(pad_stabilize, int, S_IRUGO | S_IWUSR);
-MODULE_PARM_DESC(pad_stabilize, "Apply stabilization algorithm to iMON PAD "
-		 "presses in arrow key mode. 0=disable, 1=enable (default).");
+MODULE_PARM_DESC(pad_stabilize, "Apply stabilization algorithm to iMON PAD presses in arrow key mode. 0=disable, 1=enable (default).");
 
 /*
  * In certain use cases, mouse mode isn't really helpful, and could actually
@@ -455,14 +453,12 @@ MODULE_PARM_DESC(pad_stabilize, "Apply stabilization algorithm to iMON PAD "
  */
 static bool nomouse;
 module_param(nomouse, bool, S_IRUGO | S_IWUSR);
-MODULE_PARM_DESC(nomouse, "Disable mouse input device mode when IR device is "
-		 "open. 0=don't disable, 1=disable. (default: don't disable)");
+MODULE_PARM_DESC(nomouse, "Disable mouse input device mode when IR device is open. 0=don't disable, 1=disable. (default: don't disable)");
 
 /* threshold at which a pad push registers as an arrow key in kbd mode */
 static int pad_thresh;
 module_param(pad_thresh, int, S_IRUGO | S_IWUSR);
-MODULE_PARM_DESC(pad_thresh, "Threshold at which a pad push registers as an "
-		 "arrow key in kbd mode (default: 28)");
+MODULE_PARM_DESC(pad_thresh, "Threshold at which a pad push registers as an arrow key in kbd mode (default: 28)");
 
 
 static void free_imon_context(struct imon_context *ictx)
@@ -611,7 +607,7 @@ static int send_packet(struct imon_context *ictx)
 		ictx->tx_urb->actual_length = 0;
 	}
 
-	init_completion(&ictx->tx.finished);
+	reinit_completion(&ictx->tx.finished);
 	ictx->tx.busy = true;
 	smp_rmb(); /* ensure later readers know we're busy */
 
@@ -785,9 +781,7 @@ static ssize_t show_associate_remote(struct device *d,
 	else
 		strcpy(buf, "closed\n");
 
-	dev_info(d, "Visit http://www.lirc.org/html/imon-24g.html for "
-		 "instructions on how to associate your iMON 2.4G DT/LT "
-		 "remote\n");
+	dev_info(d, "Visit http://www.lirc.org/html/imon-24g.html for instructions on how to associate your iMON 2.4G DT/LT remote\n");
 	mutex_unlock(&ictx->lock);
 	return strlen(buf);
 }
@@ -1115,8 +1109,7 @@ static int imon_ir_change_protocol(struct rc_dev *rc, u64 *rc_type)
 		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x86 };
 
 	if (*rc_type && !(*rc_type & rc->allowed_protocols))
-		dev_warn(dev, "Looks like you're trying to use an IR protocol "
-			 "this device does not support\n");
+		dev_warn(dev, "Looks like you're trying to use an IR protocol this device does not support\n");
 
 	if (*rc_type & RC_BIT_RC6_MCE) {
 		dev_dbg(dev, "Configuring IR receiver for MCE protocol\n");
@@ -1129,8 +1122,7 @@ static int imon_ir_change_protocol(struct rc_dev *rc, u64 *rc_type)
 		/* ir_proto_packet[0] = 0x00; // already the default */
 		*rc_type = RC_BIT_OTHER;
 	} else {
-		dev_warn(dev, "Unsupported IR protocol specified, overriding "
-			 "to iMON IR protocol\n");
+		dev_warn(dev, "Unsupported IR protocol specified, overriding to iMON IR protocol\n");
 		if (!pad_stabilize)
 			dev_dbg(dev, "PAD stabilize functionality disabled\n");
 		/* ir_proto_packet[0] = 0x00; // already the default */
@@ -1593,7 +1585,6 @@ static void imon_incoming_packet(struct imon_context *ictx,
 	struct device *dev = ictx->dev;
 	unsigned long flags;
 	u32 kc;
-	int i;
 	u64 scancode;
 	int press_type = 0;
 	int msec;
@@ -1664,10 +1655,8 @@ static void imon_incoming_packet(struct imon_context *ictx,
 	}
 
 	if (debug) {
-		printk(KERN_INFO "intf%d decoded packet: ", intf);
-		for (i = 0; i < len; ++i)
-			printk("%02x ", buf[i]);
-		printk("\n");
+		printk(KERN_INFO "intf%d decoded packet: %*ph\n",
+		       intf, len, buf);
 	}
 
 	press_type = imon_parse_press_type(ictx, buf, ktype);
@@ -1722,8 +1711,8 @@ static void imon_incoming_packet(struct imon_context *ictx,
 
 not_input_data:
 	if (len != 8) {
-		dev_warn(dev, "imon %s: invalid incoming packet "
-			 "size (len = %d, intf%d)\n", __func__, len, intf);
+		dev_warn(dev, "imon %s: invalid incoming packet size (len = %d, intf%d)\n",
+			 __func__, len, intf);
 		return;
 	}
 
@@ -1879,8 +1868,7 @@ static void imon_get_ffdc_type(struct imon_context *ictx)
 		allowed_protos = RC_BIT_RC6_MCE;
 		break;
 	default:
-		dev_info(ictx->dev, "Unknown 0xffdc device, "
-			 "defaulting to VFD and iMON IR");
+		dev_info(ictx->dev, "Unknown 0xffdc device, defaulting to VFD and iMON IR");
 		detected_display_type = IMON_DISPLAY_TYPE_VFD;
 		/* We don't know which one it is, allow user to set the
 		 * RC6 one from userspace if OTHER wasn't correct. */
@@ -1937,8 +1925,8 @@ static void imon_set_display_type(struct imon_context *ictx)
 			ictx->display_supported = false;
 		else
 			ictx->display_supported = true;
-		dev_info(ictx->dev, "%s: overriding display type to %d via "
-			 "modparam\n", __func__, display_type);
+		dev_info(ictx->dev, "%s: overriding display type to %d via modparam\n",
+			 __func__, display_type);
 	}
 
 	ictx->display_type = configured_display_type;
@@ -2159,8 +2147,8 @@ static bool imon_find_endpoints(struct imon_context *ictx,
 	if (!display_ep_found) {
 		tx_control = true;
 		display_ep_found = true;
-		dev_dbg(ictx->dev, "%s: device uses control endpoint, not "
-			"interface OUT endpoint\n", __func__);
+		dev_dbg(ictx->dev, "%s: device uses control endpoint, not interface OUT endpoint\n",
+			__func__);
 	}
 
 	/*
@@ -2228,6 +2216,8 @@ static struct imon_context *imon_init_intf0(struct usb_interface *intf,
 	ictx->tx_urb = tx_urb;
 	ictx->rf_device = false;
 
+	init_completion(&ictx->tx.finished);
+
 	ictx->vendor  = le16_to_cpu(ictx->usbdev_intf0->descriptor.idVendor);
 	ictx->product = le16_to_cpu(ictx->usbdev_intf0->descriptor.idProduct);
 
@@ -2369,8 +2359,8 @@ static void imon_init_display(struct imon_context *ictx,
 	/* set up sysfs entry for built-in clock */
 	ret = sysfs_create_group(&intf->dev.kobj, &imon_display_attr_group);
 	if (ret)
-		dev_err(ictx->dev, "Could not create display sysfs "
-			"entries(%d)", ret);
+		dev_err(ictx->dev, "Could not create display sysfs entries(%d)",
+			ret);
 
 	if (ictx->display_type == IMON_DISPLAY_TYPE_LCD)
 		ret = usb_register_dev(intf, &imon_lcd_class);
@@ -2378,8 +2368,7 @@ static void imon_init_display(struct imon_context *ictx,
 		ret = usb_register_dev(intf, &imon_vfd_class);
 	if (ret)
 		/* Not a fatal error, so ignore */
-		dev_info(ictx->dev, "could not get a minor number for "
-			 "display\n");
+		dev_info(ictx->dev, "could not get a minor number for display\n");
 
 }
 
@@ -2459,8 +2448,8 @@ static int imon_probe(struct usb_interface *interface,
 		mutex_unlock(&ictx->lock);
 	}
 
-	dev_info(dev, "iMON device (%04x:%04x, intf%d) on "
-		 "usb<%d:%d> initialized\n", vendor, product, ifnum,
+	dev_info(dev, "iMON device (%04x:%04x, intf%d) on usb<%d:%d> initialized\n",
+		 vendor, product, ifnum,
 		 usbdev->bus->busnum, usbdev->devnum);
 
 	mutex_unlock(&driver_lock);
@@ -2504,7 +2493,7 @@ static void imon_disconnect(struct usb_interface *interface)
 	/* Abort ongoing write */
 	if (ictx->tx.busy) {
 		usb_kill_urb(ictx->tx_urb);
-		complete_all(&ictx->tx.finished);
+		complete(&ictx->tx.finished);
 	}
 
 	if (ifnum == 0) {
diff --git a/drivers/media/rc/ir-hix5hd2.c b/drivers/media/rc/ir-hix5hd2.c
index d0549fba711c..d26907e684dc 100644
--- a/drivers/media/rc/ir-hix5hd2.c
+++ b/drivers/media/rc/ir-hix5hd2.c
@@ -75,15 +75,22 @@ static void hix5hd2_ir_enable(struct hix5hd2_ir_priv *dev, bool on)
 {
 	u32 val;
 
-	regmap_read(dev->regmap, IR_CLK, &val);
-	if (on) {
-		val &= ~IR_CLK_RESET;
-		val |= IR_CLK_ENABLE;
+	if (dev->regmap) {
+		regmap_read(dev->regmap, IR_CLK, &val);
+		if (on) {
+			val &= ~IR_CLK_RESET;
+			val |= IR_CLK_ENABLE;
+		} else {
+			val &= ~IR_CLK_ENABLE;
+			val |= IR_CLK_RESET;
+		}
+		regmap_write(dev->regmap, IR_CLK, val);
 	} else {
-		val &= ~IR_CLK_ENABLE;
-		val |= IR_CLK_RESET;
+		if (on)
+			clk_prepare_enable(dev->clock);
+		else
+			clk_disable_unprepare(dev->clock);
 	}
-	regmap_write(dev->regmap, IR_CLK, val);
 }
 
 static int hix5hd2_ir_config(struct hix5hd2_ir_priv *priv)
@@ -207,8 +214,8 @@ static int hix5hd2_ir_probe(struct platform_device *pdev)
 	priv->regmap = syscon_regmap_lookup_by_phandle(node,
 						       "hisilicon,power-syscon");
 	if (IS_ERR(priv->regmap)) {
-		dev_err(dev, "no power-reg\n");
-		return -EINVAL;
+		dev_info(dev, "no power-reg\n");
+		priv->regmap = NULL;
 	}
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
diff --git a/drivers/media/rc/ir-sanyo-decoder.c b/drivers/media/rc/ir-sanyo-decoder.c
index 7331e5e7c497..b07d9caebeb1 100644
--- a/drivers/media/rc/ir-sanyo-decoder.c
+++ b/drivers/media/rc/ir-sanyo-decoder.c
@@ -56,7 +56,8 @@ static int ir_sanyo_decode(struct rc_dev *dev, struct ir_raw_event ev)
 {
 	struct sanyo_dec *data = &dev->raw->sanyo;
 	u32 scancode;
-	u8 address, command, not_command;
+	u16 address;
+	u8 command, not_command;
 
 	if (!is_timing_event(ev)) {
 		if (ev.reset) {
diff --git a/drivers/media/rc/ite-cir.c b/drivers/media/rc/ite-cir.c
index 0f301903aa6f..367b28bed627 100644
--- a/drivers/media/rc/ite-cir.c
+++ b/drivers/media/rc/ite-cir.c
@@ -55,14 +55,12 @@ MODULE_PARM_DESC(debug, "Enable debugging output");
 /* low limit for RX carrier freq, Hz, 0 for no RX demodulation */
 static int rx_low_carrier_freq;
 module_param(rx_low_carrier_freq, int, S_IRUGO | S_IWUSR);
-MODULE_PARM_DESC(rx_low_carrier_freq, "Override low RX carrier frequency, Hz, "
-		 "0 for no RX demodulation");
+MODULE_PARM_DESC(rx_low_carrier_freq, "Override low RX carrier frequency, Hz, 0 for no RX demodulation");
 
 /* high limit for RX carrier freq, Hz, 0 for no RX demodulation */
 static int rx_high_carrier_freq;
 module_param(rx_high_carrier_freq, int, S_IRUGO | S_IWUSR);
-MODULE_PARM_DESC(rx_high_carrier_freq, "Override high RX carrier frequency, "
-		 "Hz, 0 for no RX demodulation");
+MODULE_PARM_DESC(rx_high_carrier_freq, "Override high RX carrier frequency, Hz, 0 for no RX demodulation");
 
 /* override tx carrier frequency */
 static int tx_carrier_freq;
@@ -263,6 +261,8 @@ static void ite_set_carrier_params(struct ite_dev *dev)
 
 			if (allowance > ITE_RXDCR_MAX)
 				allowance = ITE_RXDCR_MAX;
+
+			use_demodulator = true;
 		}
 	}
 
@@ -1484,8 +1484,7 @@ static int ite_probe(struct pnp_dev *pdev, const struct pnp_device_id
 
 	if (model_number >= 0 && model_number < ARRAY_SIZE(ite_dev_descs)) {
 		model_no = model_number;
-		ite_pr(KERN_NOTICE, "The model has been fixed by a module "
-			"parameter.");
+		ite_pr(KERN_NOTICE, "The model has been fixed by a module parameter.");
 	}
 
 	ite_pr(KERN_NOTICE, "Using model: %s\n", ite_dev_descs[model_no].model);
diff --git a/drivers/media/rc/lirc_dev.c b/drivers/media/rc/lirc_dev.c
index 91f9bb87ce68..3854809e8531 100644
--- a/drivers/media/rc/lirc_dev.c
+++ b/drivers/media/rc/lirc_dev.c
@@ -150,9 +150,6 @@ static const struct file_operations lirc_dev_fops = {
 	.write		= lirc_dev_fop_write,
 	.poll		= lirc_dev_fop_poll,
 	.unlocked_ioctl	= lirc_dev_fop_ioctl,
-#ifdef CONFIG_COMPAT
-	.compat_ioctl	= lirc_dev_fop_ioctl,
-#endif
 	.open		= lirc_dev_fop_open,
 	.release	= lirc_dev_fop_close,
 	.llseek		= noop_llseek,
@@ -160,19 +157,19 @@ static const struct file_operations lirc_dev_fops = {
 
 static int lirc_cdev_add(struct irctl *ir)
 {
-	int retval = -ENOMEM;
 	struct lirc_driver *d = &ir->d;
 	struct cdev *cdev;
+	int retval;
 
-	cdev = kzalloc(sizeof(*cdev), GFP_KERNEL);
+	cdev = cdev_alloc();
 	if (!cdev)
-		goto err_out;
+		return -ENOMEM;
 
 	if (d->fops) {
-		cdev_init(cdev, d->fops);
+		cdev->ops = d->fops;
 		cdev->owner = d->owner;
 	} else {
-		cdev_init(cdev, &lirc_dev_fops);
+		cdev->ops = &lirc_dev_fops;
 		cdev->owner = THIS_MODULE;
 	}
 	retval = kobject_set_name(&cdev->kobj, "lirc%d", d->minor);
@@ -180,17 +177,15 @@ static int lirc_cdev_add(struct irctl *ir)
 		goto err_out;
 
 	retval = cdev_add(cdev, MKDEV(MAJOR(lirc_base_dev), d->minor), 1);
-	if (retval) {
-		kobject_put(&cdev->kobj);
+	if (retval)
 		goto err_out;
-	}
 
 	ir->cdev = cdev;
 
 	return 0;
 
 err_out:
-	kfree(cdev);
+	cdev_del(cdev);
 	return retval;
 }
 
@@ -420,7 +415,6 @@ int lirc_unregister_driver(int minor)
 	} else {
 		lirc_irctl_cleanup(ir);
 		cdev_del(cdev);
-		kfree(cdev);
 		kfree(ir);
 		irctls[minor] = NULL;
 	}
@@ -521,7 +515,6 @@ int lirc_dev_fop_close(struct inode *inode, struct file *file)
 		lirc_irctl_cleanup(ir);
 		cdev_del(cdev);
 		irctls[ir->d.minor] = NULL;
-		kfree(cdev);
 		kfree(ir);
 	}
 
@@ -684,7 +677,6 @@ ssize_t lirc_dev_fop_read(struct file *file,
 	 * between while condition checking and scheduling)
 	 */
 	add_wait_queue(&ir->buf->wait_poll, &wait);
-	set_current_state(TASK_INTERRUPTIBLE);
 
 	/*
 	 * while we didn't provide 'length' bytes, device is opened in blocking
@@ -709,19 +701,19 @@ ssize_t lirc_dev_fop_read(struct file *file,
 			}
 
 			mutex_unlock(&ir->irctl_lock);
-			schedule();
 			set_current_state(TASK_INTERRUPTIBLE);
+			schedule();
+			set_current_state(TASK_RUNNING);
 
 			if (mutex_lock_interruptible(&ir->irctl_lock)) {
 				ret = -ERESTARTSYS;
 				remove_wait_queue(&ir->buf->wait_poll, &wait);
-				set_current_state(TASK_RUNNING);
 				goto out_unlocked;
 			}
 
 			if (!ir->attached) {
 				ret = -ENODEV;
-				break;
+				goto out_locked;
 			}
 		} else {
 			lirc_buffer_read(ir->buf, buf);
@@ -735,7 +727,6 @@ ssize_t lirc_dev_fop_read(struct file *file,
 	}
 
 	remove_wait_queue(&ir->buf->wait_poll, &wait);
-	set_current_state(TASK_RUNNING);
 
 out_locked:
 	mutex_unlock(&ir->irctl_lock);
diff --git a/drivers/media/rc/mceusb.c b/drivers/media/rc/mceusb.c
index 4f8c7effdcee..9bf69179eee0 100644
--- a/drivers/media/rc/mceusb.c
+++ b/drivers/media/rc/mceusb.c
@@ -153,15 +153,6 @@
 #define MCE_COMMAND_IRDATA	0x80
 #define MCE_PACKET_LENGTH_MASK	0x1f /* Packet length mask */
 
-/* general constants */
-#define SEND_FLAG_IN_PROGRESS	1
-#define SEND_FLAG_COMPLETE	2
-#define RECV_FLAG_IN_PROGRESS	3
-#define RECV_FLAG_COMPLETE	4
-
-#define MCEUSB_RX		1
-#define MCEUSB_TX		2
-
 #define VENDOR_PHILIPS		0x0471
 #define VENDOR_SMK		0x0609
 #define VENDOR_TATUNG		0x1460
@@ -422,7 +413,6 @@ struct mceusb_dev {
 	struct rc_dev *rc;
 
 	/* optional features we can enable */
-	bool carrier_report_enabled;
 	bool learning_enabled;
 
 	/* core device bits */
@@ -455,7 +445,6 @@ struct mceusb_dev {
 	} flags;
 
 	/* transmit support */
-	int send_flags;
 	u32 carrier;
 	unsigned char tx_mask;
 
@@ -604,9 +593,7 @@ static void mceusb_dev_printdata(struct mceusb_dev *ir, char *buf,
 			break;
 		case MCE_RSP_EQWAKEVERSION:
 			if (!out)
-				dev_dbg(dev, "Wake version, proto: 0x%02x, "
-					 "payload: 0x%02x, address: 0x%02x, "
-					 "version: 0x%02x",
+				dev_dbg(dev, "Wake version, proto: 0x%02x, payload: 0x%02x, address: 0x%02x, version: 0x%02x",
 					 data1, data2, data3, data4);
 			break;
 		case MCE_RSP_GETPORTSTATUS:
@@ -740,52 +727,40 @@ static void mce_async_callback(struct urb *urb)
 
 /* request incoming or send outgoing usb packet - used to initialize remote */
 static void mce_request_packet(struct mceusb_dev *ir, unsigned char *data,
-			       int size, int urb_type)
+								int size)
 {
 	int res, pipe;
 	struct urb *async_urb;
 	struct device *dev = ir->dev;
 	unsigned char *async_buf;
 
-	if (urb_type == MCEUSB_TX) {
-		async_urb = usb_alloc_urb(0, GFP_KERNEL);
-		if (unlikely(!async_urb)) {
-			dev_err(dev, "Error, couldn't allocate urb!\n");
-			return;
-		}
-
-		async_buf = kzalloc(size, GFP_KERNEL);
-		if (!async_buf) {
-			dev_err(dev, "Error, couldn't allocate buf!\n");
-			usb_free_urb(async_urb);
-			return;
-		}
-
-		/* outbound data */
-		if (usb_endpoint_xfer_int(ir->usb_ep_out)) {
-			pipe = usb_sndintpipe(ir->usbdev,
-					 ir->usb_ep_out->bEndpointAddress);
-			usb_fill_int_urb(async_urb, ir->usbdev, pipe, async_buf,
-					 size, mce_async_callback, ir,
-					 ir->usb_ep_out->bInterval);
-		} else {
-			pipe = usb_sndbulkpipe(ir->usbdev,
-					 ir->usb_ep_out->bEndpointAddress);
-			usb_fill_bulk_urb(async_urb, ir->usbdev, pipe,
-					 async_buf, size, mce_async_callback,
-					 ir);
-		}
-		memcpy(async_buf, data, size);
+	async_urb = usb_alloc_urb(0, GFP_KERNEL);
+	if (unlikely(!async_urb)) {
+		dev_err(dev, "Error, couldn't allocate urb!\n");
+		return;
+	}
 
-	} else if (urb_type == MCEUSB_RX) {
-		/* standard request */
-		async_urb = ir->urb_in;
-		ir->send_flags = RECV_FLAG_IN_PROGRESS;
+	async_buf = kmalloc(size, GFP_KERNEL);
+	if (!async_buf) {
+		usb_free_urb(async_urb);
+		return;
+	}
 
+	/* outbound data */
+	if (usb_endpoint_xfer_int(ir->usb_ep_out)) {
+		pipe = usb_sndintpipe(ir->usbdev,
+				 ir->usb_ep_out->bEndpointAddress);
+		usb_fill_int_urb(async_urb, ir->usbdev, pipe, async_buf,
+				 size, mce_async_callback, ir,
+				 ir->usb_ep_out->bInterval);
 	} else {
-		dev_err(dev, "Error! Unknown urb type %d\n", urb_type);
-		return;
+		pipe = usb_sndbulkpipe(ir->usbdev,
+				 ir->usb_ep_out->bEndpointAddress);
+		usb_fill_bulk_urb(async_urb, ir->usbdev, pipe,
+				 async_buf, size, mce_async_callback,
+				 ir);
 	}
+	memcpy(async_buf, data, size);
 
 	dev_dbg(dev, "receive request called (size=%#x)", size);
 
@@ -806,19 +781,14 @@ static void mce_async_out(struct mceusb_dev *ir, unsigned char *data, int size)
 
 	if (ir->need_reset) {
 		ir->need_reset = false;
-		mce_request_packet(ir, DEVICE_RESUME, rsize, MCEUSB_TX);
+		mce_request_packet(ir, DEVICE_RESUME, rsize);
 		msleep(10);
 	}
 
-	mce_request_packet(ir, data, size, MCEUSB_TX);
+	mce_request_packet(ir, data, size);
 	msleep(10);
 }
 
-static void mce_flush_rx_buffer(struct mceusb_dev *ir, int size)
-{
-	mce_request_packet(ir, NULL, size, MCEUSB_RX);
-}
-
 /* Send data out the IR blaster port(s) */
 static int mceusb_tx_ir(struct rc_dev *dev, unsigned *txbuf, unsigned count)
 {
@@ -1062,7 +1032,6 @@ static void mceusb_process_ir_data(struct mceusb_dev *ir, int buf_len)
 static void mceusb_dev_recv(struct urb *urb)
 {
 	struct mceusb_dev *ir;
-	int buf_len;
 
 	if (!urb)
 		return;
@@ -1073,18 +1042,10 @@ static void mceusb_dev_recv(struct urb *urb)
 		return;
 	}
 
-	buf_len = urb->actual_length;
-
-	if (ir->send_flags == RECV_FLAG_IN_PROGRESS) {
-		ir->send_flags = SEND_FLAG_COMPLETE;
-		dev_dbg(ir->dev, "setup answer received %d bytes\n",
-			buf_len);
-	}
-
 	switch (urb->status) {
 	/* success */
 	case 0:
-		mceusb_process_ir_data(ir, buf_len);
+		mceusb_process_ir_data(ir, urb->actual_length);
 		break;
 
 	case -ECONNRESET:
@@ -1285,7 +1246,7 @@ static int mceusb_dev_probe(struct usb_interface *intf,
 	struct usb_endpoint_descriptor *ep_in = NULL;
 	struct usb_endpoint_descriptor *ep_out = NULL;
 	struct mceusb_dev *ir = NULL;
-	int pipe, maxp, i;
+	int pipe, maxp, i, res;
 	char buf[63], name[128] = "";
 	enum mceusb_model_type model = id->driver_info;
 	bool is_gen3;
@@ -1388,7 +1349,9 @@ static int mceusb_dev_probe(struct usb_interface *intf,
 
 	/* flush buffers on the device */
 	dev_dbg(&intf->dev, "Flushing receive buffers\n");
-	mce_flush_rx_buffer(ir, maxp);
+	res = usb_submit_urb(ir->urb_in, GFP_KERNEL);
+	if (res)
+		dev_err(&intf->dev, "failed to flush buffers: %d\n", res);
 
 	/* figure out which firmware/emulator version this hardware has */
 	mceusb_get_emulator_version(ir);
@@ -1423,6 +1386,7 @@ static int mceusb_dev_probe(struct usb_interface *intf,
 	/* Error-handling path */
 rc_dev_fail:
 	usb_put_dev(ir->usbdev);
+	usb_kill_urb(ir->urb_in);
 	usb_free_urb(ir->urb_in);
 urb_in_alloc_fail:
 	usb_free_coherent(dev, maxp, ir->buf_in, ir->dma_in);
diff --git a/drivers/media/rc/meson-ir.c b/drivers/media/rc/meson-ir.c
index 003fff07ade2..7eb3f4f1ddcd 100644
--- a/drivers/media/rc/meson-ir.c
+++ b/drivers/media/rc/meson-ir.c
@@ -218,6 +218,7 @@ static const struct of_device_id meson_ir_match[] = {
 	{ .compatible = "amlogic,meson-gxbb-ir" },
 	{ },
 };
+MODULE_DEVICE_TABLE(of, meson_ir_match);
 
 static struct platform_driver meson_ir_driver = {
 	.probe		= meson_ir_probe,
diff --git a/drivers/media/rc/nuvoton-cir.c b/drivers/media/rc/nuvoton-cir.c
index 04fedaa75612..4b78c891eb77 100644
--- a/drivers/media/rc/nuvoton-cir.c
+++ b/drivers/media/rc/nuvoton-cir.c
@@ -48,6 +48,11 @@ static const struct nvt_chip nvt_chips[] = {
 	{ "NCT6779D", NVT_6779D },
 };
 
+static inline struct device *nvt_get_dev(const struct nvt_dev *nvt)
+{
+	return nvt->rdev->dev.parent;
+}
+
 static inline bool is_w83667hg(struct nvt_dev *nvt)
 {
 	return nvt->chip_ver == NVT_W83667HG;
@@ -182,7 +187,7 @@ static ssize_t wakeup_data_show(struct device *dev,
 	ssize_t buf_len = 0;
 	int i;
 
-	spin_lock_irqsave(&nvt->nvt_lock, flags);
+	spin_lock_irqsave(&nvt->lock, flags);
 
 	fifo_len = nvt_cir_wake_reg_read(nvt, CIR_WAKE_FIFO_COUNT);
 	fifo_len = min(fifo_len, WAKEUP_MAX_SIZE);
@@ -199,7 +204,7 @@ static ssize_t wakeup_data_show(struct device *dev,
 	}
 	buf_len += snprintf(buf + buf_len, PAGE_SIZE - buf_len, "\n");
 
-	spin_unlock_irqrestore(&nvt->nvt_lock, flags);
+	spin_unlock_irqrestore(&nvt->lock, flags);
 
 	return buf_len;
 }
@@ -243,7 +248,7 @@ static ssize_t wakeup_data_store(struct device *dev,
 	/* hardcode the tolerance to 10% */
 	tolerance = DIV_ROUND_UP(count, 10);
 
-	spin_lock_irqsave(&nvt->nvt_lock, flags);
+	spin_lock_irqsave(&nvt->lock, flags);
 
 	nvt_clear_cir_wake_fifo(nvt);
 	nvt_cir_wake_reg_write(nvt, count, CIR_WAKE_FIFO_CMP_DEEP);
@@ -260,7 +265,7 @@ static ssize_t wakeup_data_store(struct device *dev,
 
 	nvt_cir_wake_reg_write(nvt, config, CIR_WAKE_IRCON);
 
-	spin_unlock_irqrestore(&nvt->nvt_lock, flags);
+	spin_unlock_irqrestore(&nvt->lock, flags);
 
 	ret = len;
 out:
@@ -385,6 +390,7 @@ static inline const char *nvt_find_chip(struct nvt_dev *nvt, int id)
 /* detect hardware features */
 static int nvt_hw_detect(struct nvt_dev *nvt)
 {
+	struct device *dev = nvt_get_dev(nvt);
 	const char *chip_name;
 	int chip_id;
 
@@ -405,8 +411,7 @@ static int nvt_hw_detect(struct nvt_dev *nvt)
 
 	chip_id = nvt->chip_major << 8 | nvt->chip_minor;
 	if (chip_id == NVT_INVALID) {
-		dev_err(&nvt->pdev->dev,
-			"No device found on either EFM port\n");
+		dev_err(dev, "No device found on either EFM port\n");
 		return -ENODEV;
 	}
 
@@ -414,12 +419,11 @@ static int nvt_hw_detect(struct nvt_dev *nvt)
 
 	/* warn, but still let the driver load, if we don't know this chip */
 	if (!chip_name)
-		dev_warn(&nvt->pdev->dev,
+		dev_warn(dev,
 			 "unknown chip, id: 0x%02x 0x%02x, it may not work...",
 			 nvt->chip_major, nvt->chip_minor);
 	else
-		dev_info(&nvt->pdev->dev,
-			 "found %s or compatible: chip id: 0x%02x 0x%02x",
+		dev_info(dev, "found %s or compatible: chip id: 0x%02x 0x%02x",
 			 chip_name, nvt->chip_major, nvt->chip_minor);
 
 	return 0;
@@ -586,7 +590,7 @@ static void nvt_enable_wake(struct nvt_dev *nvt)
 
 	nvt_efm_disable(nvt);
 
-	spin_lock_irqsave(&nvt->nvt_lock, flags);
+	spin_lock_irqsave(&nvt->lock, flags);
 
 	nvt_cir_wake_reg_write(nvt, CIR_WAKE_IRCON_MODE0 | CIR_WAKE_IRCON_RXEN |
 			       CIR_WAKE_IRCON_R | CIR_WAKE_IRCON_RXINV |
@@ -595,11 +599,11 @@ static void nvt_enable_wake(struct nvt_dev *nvt)
 	nvt_cir_wake_reg_write(nvt, 0xff, CIR_WAKE_IRSTS);
 	nvt_cir_wake_reg_write(nvt, 0, CIR_WAKE_IREN);
 
-	spin_unlock_irqrestore(&nvt->nvt_lock, flags);
+	spin_unlock_irqrestore(&nvt->lock, flags);
 }
 
 #if 0 /* Currently unused */
-/* rx carrier detect only works in learning mode, must be called w/nvt_lock */
+/* rx carrier detect only works in learning mode, must be called w/lock */
 static u32 nvt_rx_carrier_detect(struct nvt_dev *nvt)
 {
 	u32 count, carrier, duration = 0;
@@ -616,7 +620,7 @@ static u32 nvt_rx_carrier_detect(struct nvt_dev *nvt)
 	duration *= SAMPLE_PERIOD;
 
 	if (!count || !duration) {
-		dev_notice(&nvt->pdev->dev,
+		dev_notice(nvt_get_dev(nvt),
 			   "Unable to determine carrier! (c:%u, d:%u)",
 			   count, duration);
 		return 0;
@@ -684,7 +688,7 @@ static int nvt_tx_ir(struct rc_dev *dev, unsigned *txbuf, unsigned n)
 	u8 iren;
 	int ret;
 
-	spin_lock_irqsave(&nvt->tx.lock, flags);
+	spin_lock_irqsave(&nvt->lock, flags);
 
 	ret = min((unsigned)(TX_BUF_LEN / sizeof(unsigned)), n);
 	nvt->tx.buf_count = (ret * sizeof(unsigned));
@@ -708,13 +712,13 @@ static int nvt_tx_ir(struct rc_dev *dev, unsigned *txbuf, unsigned n)
 	for (i = 0; i < 9; i++)
 		nvt_cir_reg_write(nvt, 0x01, CIR_STXFIFO);
 
-	spin_unlock_irqrestore(&nvt->tx.lock, flags);
+	spin_unlock_irqrestore(&nvt->lock, flags);
 
 	wait_event(nvt->tx.queue, nvt->tx.tx_state == ST_TX_REQUEST);
 
-	spin_lock_irqsave(&nvt->tx.lock, flags);
+	spin_lock_irqsave(&nvt->lock, flags);
 	nvt->tx.tx_state = ST_TX_NONE;
-	spin_unlock_irqrestore(&nvt->tx.lock, flags);
+	spin_unlock_irqrestore(&nvt->lock, flags);
 
 	/* restore enabled interrupts to prior state */
 	nvt_cir_reg_write(nvt, iren, CIR_IREN);
@@ -781,7 +785,7 @@ static void nvt_process_rx_ir_data(struct nvt_dev *nvt)
 
 static void nvt_handle_rx_fifo_overrun(struct nvt_dev *nvt)
 {
-	dev_warn(&nvt->pdev->dev, "RX FIFO overrun detected, flushing data!");
+	dev_warn(nvt_get_dev(nvt), "RX FIFO overrun detected, flushing data!");
 
 	nvt->pkts = 0;
 	nvt_clear_cir_fifo(nvt);
@@ -828,14 +832,7 @@ static void nvt_cir_log_irqs(u8 status, u8 iren)
 
 static bool nvt_cir_tx_inactive(struct nvt_dev *nvt)
 {
-	unsigned long flags;
-	u8 tx_state;
-
-	spin_lock_irqsave(&nvt->tx.lock, flags);
-	tx_state = nvt->tx.tx_state;
-	spin_unlock_irqrestore(&nvt->tx.lock, flags);
-
-	return tx_state == ST_TX_NONE;
+	return nvt->tx.tx_state == ST_TX_NONE;
 }
 
 /* interrupt service routine for incoming and outgoing CIR data */
@@ -843,11 +840,10 @@ static irqreturn_t nvt_cir_isr(int irq, void *data)
 {
 	struct nvt_dev *nvt = data;
 	u8 status, iren;
-	unsigned long flags;
 
 	nvt_dbg_verbose("%s firing", __func__);
 
-	spin_lock_irqsave(&nvt->nvt_lock, flags);
+	spin_lock(&nvt->lock);
 
 	/*
 	 * Get IR Status register contents. Write 1 to ack/clear
@@ -869,7 +865,7 @@ static irqreturn_t nvt_cir_isr(int irq, void *data)
 	 * logical device is being disabled.
 	 */
 	if (status == 0xff && iren == 0xff) {
-		spin_unlock_irqrestore(&nvt->nvt_lock, flags);
+		spin_unlock(&nvt->lock);
 		nvt_dbg_verbose("Spurious interrupt detected");
 		return IRQ_HANDLED;
 	}
@@ -878,7 +874,7 @@ static irqreturn_t nvt_cir_isr(int irq, void *data)
 	 * status bit whether the related interrupt source is enabled
 	 */
 	if (!(status & iren)) {
-		spin_unlock_irqrestore(&nvt->nvt_lock, flags);
+		spin_unlock(&nvt->lock);
 		nvt_dbg_verbose("%s exiting, IRSTS 0x0", __func__);
 		return IRQ_NONE;
 	}
@@ -898,8 +894,6 @@ static irqreturn_t nvt_cir_isr(int irq, void *data)
 			nvt_get_rx_ir_data(nvt);
 	}
 
-	spin_unlock_irqrestore(&nvt->nvt_lock, flags);
-
 	if (status & CIR_IRSTS_TE)
 		nvt_clear_tx_fifo(nvt);
 
@@ -907,8 +901,6 @@ static irqreturn_t nvt_cir_isr(int irq, void *data)
 		unsigned int pos, count;
 		u8 tmp;
 
-		spin_lock_irqsave(&nvt->tx.lock, flags);
-
 		pos = nvt->tx.cur_buf_num;
 		count = nvt->tx.buf_count;
 
@@ -921,20 +913,17 @@ static irqreturn_t nvt_cir_isr(int irq, void *data)
 			tmp = nvt_cir_reg_read(nvt, CIR_IREN);
 			nvt_cir_reg_write(nvt, tmp & ~CIR_IREN_TTR, CIR_IREN);
 		}
-
-		spin_unlock_irqrestore(&nvt->tx.lock, flags);
-
 	}
 
 	if (status & CIR_IRSTS_TFU) {
-		spin_lock_irqsave(&nvt->tx.lock, flags);
 		if (nvt->tx.tx_state == ST_TX_REPLY) {
 			nvt->tx.tx_state = ST_TX_REQUEST;
 			wake_up(&nvt->tx.queue);
 		}
-		spin_unlock_irqrestore(&nvt->tx.lock, flags);
 	}
 
+	spin_unlock(&nvt->lock);
+
 	nvt_dbg_verbose("%s done", __func__);
 	return IRQ_HANDLED;
 }
@@ -943,7 +932,7 @@ static void nvt_disable_cir(struct nvt_dev *nvt)
 {
 	unsigned long flags;
 
-	spin_lock_irqsave(&nvt->nvt_lock, flags);
+	spin_lock_irqsave(&nvt->lock, flags);
 
 	/* disable CIR interrupts */
 	nvt_cir_reg_write(nvt, 0, CIR_IREN);
@@ -958,7 +947,7 @@ static void nvt_disable_cir(struct nvt_dev *nvt)
 	nvt_clear_cir_fifo(nvt);
 	nvt_clear_tx_fifo(nvt);
 
-	spin_unlock_irqrestore(&nvt->nvt_lock, flags);
+	spin_unlock_irqrestore(&nvt->lock, flags);
 
 	/* disable the CIR logical device */
 	nvt_disable_logical_dev(nvt, LOGICAL_DEV_CIR);
@@ -969,7 +958,7 @@ static int nvt_open(struct rc_dev *dev)
 	struct nvt_dev *nvt = dev->priv;
 	unsigned long flags;
 
-	spin_lock_irqsave(&nvt->nvt_lock, flags);
+	spin_lock_irqsave(&nvt->lock, flags);
 
 	/* set function enable flags */
 	nvt_cir_reg_write(nvt, CIR_IRCON_TXEN | CIR_IRCON_RXEN |
@@ -982,7 +971,7 @@ static int nvt_open(struct rc_dev *dev)
 	/* enable interrupts */
 	nvt_set_cir_iren(nvt);
 
-	spin_unlock_irqrestore(&nvt->nvt_lock, flags);
+	spin_unlock_irqrestore(&nvt->lock, flags);
 
 	/* enable the CIR logical device */
 	nvt_enable_logical_dev(nvt, LOGICAL_DEV_CIR);
@@ -1002,40 +991,41 @@ static int nvt_probe(struct pnp_dev *pdev, const struct pnp_device_id *dev_id)
 {
 	struct nvt_dev *nvt;
 	struct rc_dev *rdev;
-	int ret = -ENOMEM;
+	int ret;
 
 	nvt = devm_kzalloc(&pdev->dev, sizeof(struct nvt_dev), GFP_KERNEL);
 	if (!nvt)
-		return ret;
+		return -ENOMEM;
 
 	/* input device for IR remote (and tx) */
-	rdev = rc_allocate_device();
-	if (!rdev)
-		goto exit_free_dev_rdev;
+	nvt->rdev = devm_rc_allocate_device(&pdev->dev);
+	if (!nvt->rdev)
+		return -ENOMEM;
+	rdev = nvt->rdev;
 
-	ret = -ENODEV;
 	/* activate pnp device */
-	if (pnp_activate_dev(pdev) < 0) {
+	ret = pnp_activate_dev(pdev);
+	if (ret) {
 		dev_err(&pdev->dev, "Could not activate PNP device!\n");
-		goto exit_free_dev_rdev;
+		return ret;
 	}
 
 	/* validate pnp resources */
 	if (!pnp_port_valid(pdev, 0) ||
 	    pnp_port_len(pdev, 0) < CIR_IOREG_LENGTH) {
 		dev_err(&pdev->dev, "IR PNP Port not valid!\n");
-		goto exit_free_dev_rdev;
+		return -EINVAL;
 	}
 
 	if (!pnp_irq_valid(pdev, 0)) {
 		dev_err(&pdev->dev, "PNP IRQ not valid!\n");
-		goto exit_free_dev_rdev;
+		return -EINVAL;
 	}
 
 	if (!pnp_port_valid(pdev, 1) ||
 	    pnp_port_len(pdev, 1) < CIR_IOREG_LENGTH) {
 		dev_err(&pdev->dev, "Wake PNP Port not valid!\n");
-		goto exit_free_dev_rdev;
+		return -EINVAL;
 	}
 
 	nvt->cir_addr = pnp_port_start(pdev, 0);
@@ -1046,17 +1036,15 @@ static int nvt_probe(struct pnp_dev *pdev, const struct pnp_device_id *dev_id)
 	nvt->cr_efir = CR_EFIR;
 	nvt->cr_efdr = CR_EFDR;
 
-	spin_lock_init(&nvt->nvt_lock);
-	spin_lock_init(&nvt->tx.lock);
+	spin_lock_init(&nvt->lock);
 
 	pnp_set_drvdata(pdev, nvt);
-	nvt->pdev = pdev;
 
 	init_waitqueue_head(&nvt->tx.queue);
 
 	ret = nvt_hw_detect(nvt);
 	if (ret)
-		goto exit_free_dev_rdev;
+		return ret;
 
 	/* Initialize CIR & CIR Wake Logical Devices */
 	nvt_efm_enable(nvt);
@@ -1085,7 +1073,6 @@ static int nvt_probe(struct pnp_dev *pdev, const struct pnp_device_id *dev_id)
 	rdev->input_id.vendor = PCI_VENDOR_ID_WINBOND2;
 	rdev->input_id.product = nvt->chip_major;
 	rdev->input_id.version = nvt->chip_minor;
-	rdev->dev.parent = &pdev->dev;
 	rdev->driver_name = NVT_DRIVER_NAME;
 	rdev->map_name = RC_MAP_RC6_MCE;
 	rdev->timeout = MS_TO_NS(100);
@@ -1097,29 +1084,27 @@ static int nvt_probe(struct pnp_dev *pdev, const struct pnp_device_id *dev_id)
 	/* tx bits */
 	rdev->tx_resolution = XYZ;
 #endif
-	nvt->rdev = rdev;
-
-	ret = rc_register_device(rdev);
+	ret = devm_rc_register_device(&pdev->dev, rdev);
 	if (ret)
-		goto exit_free_dev_rdev;
+		return ret;
 
-	ret = -EBUSY;
 	/* now claim resources */
 	if (!devm_request_region(&pdev->dev, nvt->cir_addr,
 			    CIR_IOREG_LENGTH, NVT_DRIVER_NAME))
-		goto exit_unregister_device;
+		return -EBUSY;
 
-	if (devm_request_irq(&pdev->dev, nvt->cir_irq, nvt_cir_isr,
-			     IRQF_SHARED, NVT_DRIVER_NAME, (void *)nvt))
-		goto exit_unregister_device;
+	ret = devm_request_irq(&pdev->dev, nvt->cir_irq, nvt_cir_isr,
+			       IRQF_SHARED, NVT_DRIVER_NAME, nvt);
+	if (ret)
+		return ret;
 
 	if (!devm_request_region(&pdev->dev, nvt->cir_wake_addr,
 			    CIR_IOREG_LENGTH, NVT_DRIVER_NAME "-wake"))
-		goto exit_unregister_device;
+		return -EBUSY;
 
 	ret = device_create_file(&rdev->dev, &dev_attr_wakeup_data);
 	if (ret)
-		goto exit_unregister_device;
+		return ret;
 
 	device_init_wakeup(&pdev->dev, true);
 
@@ -1130,14 +1115,6 @@ static int nvt_probe(struct pnp_dev *pdev, const struct pnp_device_id *dev_id)
 	}
 
 	return 0;
-
-exit_unregister_device:
-	rc_unregister_device(rdev);
-	rdev = NULL;
-exit_free_dev_rdev:
-	rc_free_device(rdev);
-
-	return ret;
 }
 
 static void nvt_remove(struct pnp_dev *pdev)
@@ -1150,8 +1127,6 @@ static void nvt_remove(struct pnp_dev *pdev)
 
 	/* enable CIR Wake (for IR power-on) */
 	nvt_enable_wake(nvt);
-
-	rc_unregister_device(nvt->rdev);
 }
 
 static int nvt_suspend(struct pnp_dev *pdev, pm_message_t state)
@@ -1161,16 +1136,14 @@ static int nvt_suspend(struct pnp_dev *pdev, pm_message_t state)
 
 	nvt_dbg("%s called", __func__);
 
-	spin_lock_irqsave(&nvt->tx.lock, flags);
-	nvt->tx.tx_state = ST_TX_NONE;
-	spin_unlock_irqrestore(&nvt->tx.lock, flags);
+	spin_lock_irqsave(&nvt->lock, flags);
 
-	spin_lock_irqsave(&nvt->nvt_lock, flags);
+	nvt->tx.tx_state = ST_TX_NONE;
 
 	/* disable all CIR interrupts */
 	nvt_cir_reg_write(nvt, 0, CIR_IREN);
 
-	spin_unlock_irqrestore(&nvt->nvt_lock, flags);
+	spin_unlock_irqrestore(&nvt->lock, flags);
 
 	/* disable cir logical dev */
 	nvt_disable_logical_dev(nvt, LOGICAL_DEV_CIR);
diff --git a/drivers/media/rc/nuvoton-cir.h b/drivers/media/rc/nuvoton-cir.h
index acf735fc7170..c41c5765e1d2 100644
--- a/drivers/media/rc/nuvoton-cir.h
+++ b/drivers/media/rc/nuvoton-cir.h
@@ -78,17 +78,15 @@ struct nvt_chip {
 };
 
 struct nvt_dev {
-	struct pnp_dev *pdev;
 	struct rc_dev *rdev;
 
-	spinlock_t nvt_lock;
+	spinlock_t lock;
 
 	/* for rx */
 	u8 buf[RX_BUF_LEN];
 	unsigned int pkts;
 
 	struct {
-		spinlock_t lock;
 		u8 buf[TX_BUF_LEN];
 		unsigned int buf_count;
 		unsigned int cur_buf_num;
diff --git a/drivers/media/rc/rc-ir-raw.c b/drivers/media/rc/rc-ir-raw.c
index 205ecc602e34..1c42a9f2f290 100644
--- a/drivers/media/rc/rc-ir-raw.c
+++ b/drivers/media/rc/rc-ir-raw.c
@@ -26,8 +26,7 @@ static LIST_HEAD(ir_raw_client_list);
 /* Used to handle IR raw handler extensions */
 static DEFINE_MUTEX(ir_raw_handler_lock);
 static LIST_HEAD(ir_raw_handler_list);
-static DEFINE_MUTEX(available_protocols_lock);
-static u64 available_protocols;
+static atomic64_t available_protocols = ATOMIC64_INIT(0);
 
 static int ir_raw_event_thread(void *data)
 {
@@ -234,11 +233,7 @@ EXPORT_SYMBOL_GPL(ir_raw_event_handle);
 u64
 ir_raw_get_allowed_protocols(void)
 {
-	u64 protocols;
-	mutex_lock(&available_protocols_lock);
-	protocols = available_protocols;
-	mutex_unlock(&available_protocols_lock);
-	return protocols;
+	return atomic64_read(&available_protocols);
 }
 
 static int change_protocol(struct rc_dev *dev, u64 *rc_type)
@@ -331,9 +326,7 @@ int ir_raw_handler_register(struct ir_raw_handler *ir_raw_handler)
 	if (ir_raw_handler->raw_register)
 		list_for_each_entry(raw, &ir_raw_client_list, list)
 			ir_raw_handler->raw_register(raw->dev);
-	mutex_lock(&available_protocols_lock);
-	available_protocols |= ir_raw_handler->protocols;
-	mutex_unlock(&available_protocols_lock);
+	atomic64_or(ir_raw_handler->protocols, &available_protocols);
 	mutex_unlock(&ir_raw_handler_lock);
 
 	return 0;
@@ -352,9 +345,7 @@ void ir_raw_handler_unregister(struct ir_raw_handler *ir_raw_handler)
 		if (ir_raw_handler->raw_unregister)
 			ir_raw_handler->raw_unregister(raw->dev);
 	}
-	mutex_lock(&available_protocols_lock);
-	available_protocols &= ~protocols;
-	mutex_unlock(&available_protocols_lock);
+	atomic64_andnot(protocols, &available_protocols);
 	mutex_unlock(&ir_raw_handler_lock);
 }
 EXPORT_SYMBOL(ir_raw_handler_unregister);
diff --git a/drivers/media/rc/rc-main.c b/drivers/media/rc/rc-main.c
index d9c1f2ff7119..dedaf38c5ff6 100644
--- a/drivers/media/rc/rc-main.c
+++ b/drivers/media/rc/rc-main.c
@@ -12,6 +12,8 @@
  *  GNU General Public License for more details.
  */
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <media/rc-core.h>
 #include <linux/atomic.h>
 #include <linux/spinlock.h>
@@ -66,7 +68,7 @@ struct rc_map *rc_map_get(const char *name)
 	if (!map) {
 		int rc = request_module("%s", name);
 		if (rc < 0) {
-			printk(KERN_ERR "Couldn't load IR keymap %s\n", name);
+			pr_err("Couldn't load IR keymap %s\n", name);
 			return NULL;
 		}
 		msleep(20);	/* Give some time for IR to register */
@@ -75,7 +77,7 @@ struct rc_map *rc_map_get(const char *name)
 	}
 #endif
 	if (!map) {
-		printk(KERN_ERR "IR keymap %s not found\n", name);
+		pr_err("IR keymap %s not found\n", name);
 		return NULL;
 	}
 
@@ -159,6 +161,7 @@ static void ir_free_table(struct rc_map *rc_map)
 {
 	rc_map->size = 0;
 	kfree(rc_map->name);
+	rc_map->name = NULL;
 	kfree(rc_map->scan);
 	rc_map->scan = NULL;
 }
@@ -660,8 +663,7 @@ static void ir_do_keydown(struct rc_dev *dev, enum rc_type protocol,
 		dev->last_toggle = toggle;
 		dev->last_keycode = keycode;
 
-		IR_dprintk(1, "%s: key down event, "
-			   "key 0x%04x, protocol 0x%04x, scancode 0x%08x\n",
+		IR_dprintk(1, "%s: key down event, key 0x%04x, protocol 0x%04x, scancode 0x%08x\n",
 			   dev->input_name, keycode, protocol, scancode);
 		input_report_key(dev->input_dev, keycode, 1);
 
@@ -1403,6 +1405,34 @@ void rc_free_device(struct rc_dev *dev)
 }
 EXPORT_SYMBOL_GPL(rc_free_device);
 
+static void devm_rc_alloc_release(struct device *dev, void *res)
+{
+	rc_free_device(*(struct rc_dev **)res);
+}
+
+struct rc_dev *devm_rc_allocate_device(struct device *dev)
+{
+	struct rc_dev **dr, *rc;
+
+	dr = devres_alloc(devm_rc_alloc_release, sizeof(*dr), GFP_KERNEL);
+	if (!dr)
+		return NULL;
+
+	rc = rc_allocate_device();
+	if (!rc) {
+		devres_free(dr);
+		return NULL;
+	}
+
+	rc->dev.parent = dev;
+	rc->managed_alloc = true;
+	*dr = rc;
+	devres_add(dev, dr);
+
+	return rc;
+}
+EXPORT_SYMBOL_GPL(devm_rc_allocate_device);
+
 int rc_register_device(struct rc_dev *dev)
 {
 	static bool raw_init = false; /* raw decoders loaded? */
@@ -1531,6 +1561,33 @@ out_unlock:
 }
 EXPORT_SYMBOL_GPL(rc_register_device);
 
+static void devm_rc_release(struct device *dev, void *res)
+{
+	rc_unregister_device(*(struct rc_dev **)res);
+}
+
+int devm_rc_register_device(struct device *parent, struct rc_dev *dev)
+{
+	struct rc_dev **dr;
+	int ret;
+
+	dr = devres_alloc(devm_rc_release, sizeof(*dr), GFP_KERNEL);
+	if (!dr)
+		return -ENOMEM;
+
+	ret = rc_register_device(dev);
+	if (ret) {
+		devres_free(dr);
+		return ret;
+	}
+
+	*dr = dev;
+	devres_add(parent, dr);
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(devm_rc_register_device);
+
 void rc_unregister_device(struct rc_dev *dev)
 {
 	if (!dev)
@@ -1552,7 +1609,8 @@ void rc_unregister_device(struct rc_dev *dev)
 
 	ida_simple_remove(&rc_ida, dev->minor);
 
-	rc_free_device(dev);
+	if (!dev->managed_alloc)
+		rc_free_device(dev);
 }
 
 EXPORT_SYMBOL_GPL(rc_unregister_device);
@@ -1565,7 +1623,7 @@ static int __init rc_core_init(void)
 {
 	int rc = class_register(&rc_class);
 	if (rc) {
-		printk(KERN_ERR "rc_core: unable to register rc class\n");
+		pr_err("rc_core: unable to register rc class\n");
 		return rc;
 	}
 
diff --git a/drivers/media/rc/redrat3.c b/drivers/media/rc/redrat3.c
index 05ba47bc0b61..2784f5dae398 100644
--- a/drivers/media/rc/redrat3.c
+++ b/drivers/media/rc/redrat3.c
@@ -81,6 +81,8 @@
 #define RR3_RC_DET_ENABLE	0xbb
 /* Stop capture with the RC receiver */
 #define RR3_RC_DET_DISABLE	0xbc
+/* Start capture with the wideband receiver */
+#define RR3_MODSIG_CAPTURE     0xb2
 /* Return the status of RC detector capture */
 #define RR3_RC_DET_STATUS	0xbd
 /* Reset redrat */
@@ -105,11 +107,13 @@
 #define RR3_CLK_PER_COUNT	12
 /* (RR3_CLK / RR3_CLK_PER_COUNT) */
 #define RR3_CLK_CONV_FACTOR	2000000
-/* USB bulk-in IR data endpoint address */
-#define RR3_BULK_IN_EP_ADDR	0x82
+/* USB bulk-in wideband IR data endpoint address */
+#define RR3_WIDE_IN_EP_ADDR	0x81
+/* USB bulk-in narrowband IR data endpoint address */
+#define RR3_NARROW_IN_EP_ADDR	0x82
 
 /* Size of the fixed-length portion of the signal */
-#define RR3_DRIVER_MAXLENS	128
+#define RR3_DRIVER_MAXLENS	255
 #define RR3_MAX_SIG_SIZE	512
 #define RR3_TIME_UNIT		50
 #define RR3_END_OF_SIGNAL	0x7f
@@ -207,15 +211,22 @@ struct redrat3_dev {
 	struct urb *flash_urb;
 	u8 flash_in_buf;
 
+	/* learning */
+	bool wideband;
+	struct usb_ctrlrequest learn_control;
+	struct urb *learn_urb;
+	u8 learn_buf;
+
 	/* save off the usb device pointer */
 	struct usb_device *udev;
 
 	/* the receive endpoint */
-	struct usb_endpoint_descriptor *ep_in;
+	struct usb_endpoint_descriptor *ep_narrow;
 	/* the buffer to receive data */
 	void *bulk_in_buf;
 	/* urb used to read ir data */
-	struct urb *read_urb;
+	struct urb *narrow_urb;
+	struct urb *wide_urb;
 
 	/* the send endpoint */
 	struct usb_endpoint_descriptor *ep_out;
@@ -236,23 +247,6 @@ struct redrat3_dev {
 	char phys[64];
 };
 
-/*
- * redrat3_issue_async
- *
- *  Issues an async read to the ir data in port..
- *  sets the callback to be redrat3_handle_async
- */
-static void redrat3_issue_async(struct redrat3_dev *rr3)
-{
-	int res;
-
-	res = usb_submit_urb(rr3->read_urb, GFP_ATOMIC);
-	if (res)
-		dev_dbg(rr3->dev,
-			"%s: receive request FAILED! (res %d, len %d)\n",
-			__func__, res, rr3->read_urb->transfer_buffer_length);
-}
-
 static void redrat3_dump_fw_error(struct redrat3_dev *rr3, int code)
 {
 	if (!rr3->transmitting && (code != 0x40))
@@ -265,8 +259,7 @@ static void redrat3_dump_fw_error(struct redrat3_dev *rr3, int code)
 
 	/* Codes 0x20 through 0x2f are IR Firmware Errors */
 	case 0x20:
-		pr_cont("Initial signal pulse not long enough "
-			"to measure carrier frequency\n");
+		pr_cont("Initial signal pulse not long enough to measure carrier frequency\n");
 		break;
 	case 0x21:
 		pr_cont("Not enough length values allocated for signal\n");
@@ -278,18 +271,15 @@ static void redrat3_dump_fw_error(struct redrat3_dev *rr3, int code)
 		pr_cont("Too many signal repeats\n");
 		break;
 	case 0x28:
-		pr_cont("Insufficient memory available for IR signal "
-			"data memory allocation\n");
+		pr_cont("Insufficient memory available for IR signal data memory allocation\n");
 		break;
 	case 0x29:
-		pr_cont("Insufficient memory available "
-			"for IrDa signal data memory allocation\n");
+		pr_cont("Insufficient memory available for IrDa signal data memory allocation\n");
 		break;
 
 	/* Codes 0x30 through 0x3f are USB Firmware Errors */
 	case 0x30:
-		pr_cont("Insufficient memory available for bulk "
-			"transfer structure\n");
+		pr_cont("Insufficient memory available for bulk transfer structure\n");
 		break;
 
 	/*
@@ -301,8 +291,7 @@ static void redrat3_dump_fw_error(struct redrat3_dev *rr3, int code)
 			pr_cont("Signal capture has been terminated\n");
 		break;
 	case 0x41:
-		pr_cont("Attempt to set/get and unknown signal I/O "
-			"algorithm parameter\n");
+		pr_cont("Attempt to set/get and unknown signal I/O algorithm parameter\n");
 		break;
 	case 0x42:
 		pr_cont("Signal capture already started\n");
@@ -368,15 +357,18 @@ static void redrat3_process_ir_data(struct redrat3_dev *rr3)
 	unsigned int i, sig_size, single_len, offset, val;
 	u32 mod_freq;
 
-	if (!rr3) {
-		pr_err("%s called with no context!\n", __func__);
-		return;
-	}
-
 	dev = rr3->dev;
 
 	mod_freq = redrat3_val_to_mod_freq(&rr3->irdata);
 	dev_dbg(dev, "Got mod_freq of %u\n", mod_freq);
+	if (mod_freq && rr3->wideband) {
+		DEFINE_IR_RAW_EVENT(ev);
+
+		ev.carrier_report = 1;
+		ev.carrier = mod_freq;
+
+		ir_raw_event_store(rr3->rc, &ev);
+	}
 
 	/* process each rr3 encoded byte into an int */
 	sig_size = be16_to_cpu(rr3->irdata.sig_size);
@@ -459,19 +451,31 @@ static int redrat3_enable_detector(struct redrat3_dev *rr3)
 		return -EIO;
 	}
 
-	redrat3_issue_async(rr3);
+	ret = usb_submit_urb(rr3->narrow_urb, GFP_KERNEL);
+	if (ret) {
+		dev_err(rr3->dev, "narrow band urb failed: %d", ret);
+		return ret;
+	}
+
+	ret = usb_submit_urb(rr3->wide_urb, GFP_KERNEL);
+	if (ret)
+		dev_err(rr3->dev, "wide band urb failed: %d", ret);
 
-	return 0;
+	return ret;
 }
 
 static inline void redrat3_delete(struct redrat3_dev *rr3,
 				  struct usb_device *udev)
 {
-	usb_kill_urb(rr3->read_urb);
+	usb_kill_urb(rr3->narrow_urb);
+	usb_kill_urb(rr3->wide_urb);
 	usb_kill_urb(rr3->flash_urb);
-	usb_free_urb(rr3->read_urb);
+	usb_kill_urb(rr3->learn_urb);
+	usb_free_urb(rr3->narrow_urb);
+	usb_free_urb(rr3->wide_urb);
 	usb_free_urb(rr3->flash_urb);
-	usb_free_coherent(udev, le16_to_cpu(rr3->ep_in->wMaxPacketSize),
+	usb_free_urb(rr3->learn_urb);
+	usb_free_coherent(udev, le16_to_cpu(rr3->ep_narrow->wMaxPacketSize),
 			  rr3->bulk_in_buf, rr3->dma_in);
 
 	kfree(rr3);
@@ -485,10 +489,8 @@ static u32 redrat3_get_timeout(struct redrat3_dev *rr3)
 
 	len = sizeof(*tmp);
 	tmp = kzalloc(len, GFP_KERNEL);
-	if (!tmp) {
-		dev_warn(rr3->dev, "Memory allocation faillure\n");
+	if (!tmp)
 		return timeout;
-	}
 
 	pipe = usb_rcvctrlpipe(rr3->udev, 0);
 	ret = usb_control_msg(rr3->udev, pipe, RR3_GET_IR_PARAM,
@@ -543,16 +545,14 @@ static void redrat3_reset(struct redrat3_dev *rr3)
 	struct device *dev = rr3->dev;
 	int rc, rxpipe, txpipe;
 	u8 *val;
-	int len = sizeof(u8);
+	size_t const len = sizeof(*val);
 
 	rxpipe = usb_rcvctrlpipe(udev, 0);
 	txpipe = usb_sndctrlpipe(udev, 0);
 
 	val = kmalloc(len, GFP_KERNEL);
-	if (!val) {
-		dev_err(dev, "Memory allocation failure\n");
+	if (!val)
 		return;
-	}
 
 	*val = 0x01;
 	rc = usb_control_msg(udev, rxpipe, RR3_RESET,
@@ -590,14 +590,12 @@ static void redrat3_reset(struct redrat3_dev *rr3)
 
 static void redrat3_get_firmware_rev(struct redrat3_dev *rr3)
 {
-	int rc = 0;
+	int rc;
 	char *buffer;
 
-	buffer = kzalloc(sizeof(char) * (RR3_FW_VERSION_LEN + 1), GFP_KERNEL);
-	if (!buffer) {
-		dev_err(rr3->dev, "Memory allocation failure\n");
+	buffer = kcalloc(RR3_FW_VERSION_LEN + 1, sizeof(*buffer), GFP_KERNEL);
+	if (!buffer)
 		return;
-	}
 
 	rc = usb_control_msg(rr3->udev, usb_rcvctrlpipe(rr3->udev, 0),
 			     RR3_FW_VERSION,
@@ -704,25 +702,25 @@ out:
 /* callback function from USB when async USB request has completed */
 static void redrat3_handle_async(struct urb *urb)
 {
-	struct redrat3_dev *rr3;
+	struct redrat3_dev *rr3 = urb->context;
 	int ret;
 
-	if (!urb)
-		return;
-
-	rr3 = urb->context;
-	if (!rr3) {
-		pr_err("%s called with invalid context!\n", __func__);
-		usb_unlink_urb(urb);
-		return;
-	}
-
 	switch (urb->status) {
 	case 0:
 		ret = redrat3_get_ir_data(rr3, urb->actual_length);
+		if (!ret && rr3->wideband && !rr3->learn_urb->hcpriv) {
+			ret = usb_submit_urb(rr3->learn_urb, GFP_ATOMIC);
+			if (ret)
+				dev_err(rr3->dev, "Failed to submit learning urb: %d",
+									ret);
+		}
+
 		if (!ret) {
 			/* no error, prepare to read more */
-			redrat3_issue_async(rr3);
+			ret = usb_submit_urb(urb, GFP_ATOMIC);
+			if (ret)
+				dev_err(rr3->dev, "Failed to resubmit urb: %d",
+									ret);
 		}
 		break;
 
@@ -785,11 +783,11 @@ static int redrat3_transmit_ir(struct rc_dev *rcdev, unsigned *txbuf,
 	/* rr3 will disable rc detector on transmit */
 	rr3->transmitting = true;
 
-	sample_lens = kzalloc(sizeof(int) * RR3_DRIVER_MAXLENS, GFP_KERNEL);
-	if (!sample_lens) {
-		ret = -ENOMEM;
-		goto out;
-	}
+	sample_lens = kcalloc(RR3_DRIVER_MAXLENS,
+			      sizeof(*sample_lens),
+			      GFP_KERNEL);
+	if (!sample_lens)
+		return -ENOMEM;
 
 	irdata = kzalloc(sizeof(*irdata), GFP_KERNEL);
 	if (!irdata) {
@@ -857,8 +855,8 @@ static int redrat3_transmit_ir(struct rc_dev *rcdev, unsigned *txbuf,
 		ret = count;
 
 out:
-	kfree(sample_lens);
 	kfree(irdata);
+	kfree(sample_lens);
 
 	rr3->transmitting = false;
 	/* rr3 re-enables rc detector because it was enabled before */
@@ -882,6 +880,42 @@ static void redrat3_brightness_set(struct led_classdev *led_dev, enum
 	}
 }
 
+static int redrat3_wideband_receiver(struct rc_dev *rcdev, int enable)
+{
+	struct redrat3_dev *rr3 = rcdev->priv;
+	int ret = 0;
+
+	rr3->wideband = enable != 0;
+
+	if (enable) {
+		ret = usb_submit_urb(rr3->learn_urb, GFP_KERNEL);
+		if (ret)
+			dev_err(rr3->dev, "Failed to submit learning urb: %d",
+									ret);
+	}
+
+	return ret;
+}
+
+static void redrat3_learn_complete(struct urb *urb)
+{
+	struct redrat3_dev *rr3 = urb->context;
+
+	switch (urb->status) {
+	case 0:
+		break;
+	case -ECONNRESET:
+	case -ENOENT:
+	case -ESHUTDOWN:
+		usb_unlink_urb(urb);
+		return;
+	case -EPIPE:
+	default:
+		dev_err(rr3->dev, "Error: learn urb status = %d", urb->status);
+		break;
+	}
+}
+
 static void redrat3_led_complete(struct urb *urb)
 {
 	struct redrat3_dev *rr3 = urb->context;
@@ -908,19 +942,16 @@ static struct rc_dev *redrat3_init_rc_dev(struct redrat3_dev *rr3)
 {
 	struct device *dev = rr3->dev;
 	struct rc_dev *rc;
-	int ret = -ENODEV;
+	int ret;
 	u16 prod = le16_to_cpu(rr3->udev->descriptor.idProduct);
 
 	rc = rc_allocate_device();
-	if (!rc) {
-		dev_err(dev, "remote input dev allocation failed\n");
-		goto out;
-	}
+	if (!rc)
+		return NULL;
 
-	snprintf(rr3->name, sizeof(rr3->name), "RedRat3%s "
-		 "Infrared Remote Transceiver (%04x:%04x)",
-		 prod == USB_RR3IIUSB_PRODUCT_ID ? "-II" : "",
-		 le16_to_cpu(rr3->udev->descriptor.idVendor), prod);
+	snprintf(rr3->name, sizeof(rr3->name),
+		 "RedRat3%s Infrared Remote Transceiver",
+		 prod == USB_RR3IIUSB_PRODUCT_ID ? "-II" : "");
 
 	usb_make_path(rr3->udev, rr3->phys, sizeof(rr3->phys));
 
@@ -937,6 +968,7 @@ static struct rc_dev *redrat3_init_rc_dev(struct redrat3_dev *rr3)
 	rc->s_timeout = redrat3_set_timeout;
 	rc->tx_ir = redrat3_transmit_ir;
 	rc->s_tx_carrier = redrat3_set_tx_carrier;
+	rc->s_carrier_report = redrat3_wideband_receiver;
 	rc->driver_name = DRIVER_NAME;
 	rc->rx_resolution = US_TO_NS(2);
 	rc->map_name = RC_MAP_HAUPPAUGE;
@@ -962,7 +994,8 @@ static int redrat3_dev_probe(struct usb_interface *intf,
 	struct usb_host_interface *uhi;
 	struct redrat3_dev *rr3;
 	struct usb_endpoint_descriptor *ep;
-	struct usb_endpoint_descriptor *ep_in = NULL;
+	struct usb_endpoint_descriptor *ep_narrow = NULL;
+	struct usb_endpoint_descriptor *ep_wide = NULL;
 	struct usb_endpoint_descriptor *ep_out = NULL;
 	u8 addr, attrs;
 	int pipe, i;
@@ -976,15 +1009,16 @@ static int redrat3_dev_probe(struct usb_interface *intf,
 		addr = ep->bEndpointAddress;
 		attrs = ep->bmAttributes;
 
-		if ((ep_in == NULL) &&
-		    ((addr & USB_ENDPOINT_DIR_MASK) == USB_DIR_IN) &&
+		if (((addr & USB_ENDPOINT_DIR_MASK) == USB_DIR_IN) &&
 		    ((attrs & USB_ENDPOINT_XFERTYPE_MASK) ==
 		     USB_ENDPOINT_XFER_BULK)) {
 			dev_dbg(dev, "found bulk-in endpoint at 0x%02x\n",
 				ep->bEndpointAddress);
-			/* data comes in on 0x82, 0x81 is for other data... */
-			if (ep->bEndpointAddress == RR3_BULK_IN_EP_ADDR)
-				ep_in = ep;
+			/* data comes in on 0x82, 0x81 is for learning */
+			if (ep->bEndpointAddress == RR3_NARROW_IN_EP_ADDR)
+				ep_narrow = ep;
+			if (ep->bEndpointAddress == RR3_WIDE_IN_EP_ADDR)
+				ep_wide = ep;
 		}
 
 		if ((ep_out == NULL) &&
@@ -997,68 +1031,76 @@ static int redrat3_dev_probe(struct usb_interface *intf,
 		}
 	}
 
-	if (!ep_in || !ep_out) {
-		dev_err(dev, "Couldn't find both in and out endpoints\n");
+	if (!ep_narrow || !ep_out || !ep_wide) {
+		dev_err(dev, "Couldn't find all endpoints\n");
 		retval = -ENODEV;
 		goto no_endpoints;
 	}
 
 	/* allocate memory for our device state and initialize it */
 	rr3 = kzalloc(sizeof(*rr3), GFP_KERNEL);
-	if (rr3 == NULL) {
-		dev_err(dev, "Memory allocation failure\n");
+	if (!rr3)
 		goto no_endpoints;
-	}
 
 	rr3->dev = &intf->dev;
+	rr3->ep_narrow = ep_narrow;
+	rr3->ep_out = ep_out;
+	rr3->udev = udev;
 
 	/* set up bulk-in endpoint */
-	rr3->read_urb = usb_alloc_urb(0, GFP_KERNEL);
-	if (!rr3->read_urb)
-		goto error;
+	rr3->narrow_urb = usb_alloc_urb(0, GFP_KERNEL);
+	if (!rr3->narrow_urb)
+		goto redrat_free;
 
-	rr3->ep_in = ep_in;
-	rr3->bulk_in_buf = usb_alloc_coherent(udev,
-		le16_to_cpu(ep_in->wMaxPacketSize), GFP_KERNEL, &rr3->dma_in);
-	if (!rr3->bulk_in_buf) {
-		dev_err(dev, "Read buffer allocation failure\n");
-		goto error;
-	}
-
-	pipe = usb_rcvbulkpipe(udev, ep_in->bEndpointAddress);
-	usb_fill_bulk_urb(rr3->read_urb, udev, pipe, rr3->bulk_in_buf,
-		le16_to_cpu(ep_in->wMaxPacketSize), redrat3_handle_async, rr3);
-	rr3->read_urb->transfer_dma = rr3->dma_in;
-	rr3->read_urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
+	rr3->wide_urb = usb_alloc_urb(0, GFP_KERNEL);
+	if (!rr3->wide_urb)
+		goto redrat_free;
 
-	rr3->ep_out = ep_out;
-	rr3->udev = udev;
+	rr3->bulk_in_buf = usb_alloc_coherent(udev,
+		le16_to_cpu(ep_narrow->wMaxPacketSize),
+		GFP_KERNEL, &rr3->dma_in);
+	if (!rr3->bulk_in_buf)
+		goto redrat_free;
+
+	pipe = usb_rcvbulkpipe(udev, ep_narrow->bEndpointAddress);
+	usb_fill_bulk_urb(rr3->narrow_urb, udev, pipe, rr3->bulk_in_buf,
+		le16_to_cpu(ep_narrow->wMaxPacketSize),
+		redrat3_handle_async, rr3);
+	rr3->narrow_urb->transfer_dma = rr3->dma_in;
+	rr3->narrow_urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
+
+	pipe = usb_rcvbulkpipe(udev, ep_wide->bEndpointAddress);
+	usb_fill_bulk_urb(rr3->wide_urb, udev, pipe, rr3->bulk_in_buf,
+		le16_to_cpu(ep_narrow->wMaxPacketSize),
+		redrat3_handle_async, rr3);
+	rr3->wide_urb->transfer_dma = rr3->dma_in;
+	rr3->wide_urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
 
 	redrat3_reset(rr3);
 	redrat3_get_firmware_rev(rr3);
 
-	/* might be all we need to do? */
-	retval = redrat3_enable_detector(rr3);
-	if (retval < 0)
-		goto error;
-
 	/* default.. will get overridden by any sends with a freq defined */
 	rr3->carrier = 38000;
 
-	/* led control */
-	rr3->led.name = "redrat3:red:feedback";
-	rr3->led.default_trigger = "rc-feedback";
-	rr3->led.brightness_set = redrat3_brightness_set;
-	retval = led_classdev_register(&intf->dev, &rr3->led);
-	if (retval)
-		goto error;
-
 	atomic_set(&rr3->flash, 0);
 	rr3->flash_urb = usb_alloc_urb(0, GFP_KERNEL);
-	if (!rr3->flash_urb) {
-		retval = -ENOMEM;
-		goto led_free_error;
-	}
+	if (!rr3->flash_urb)
+		goto redrat_free;
+
+	/* learn urb */
+	rr3->learn_urb = usb_alloc_urb(0, GFP_KERNEL);
+	if (!rr3->learn_urb)
+		goto redrat_free;
+
+	/* setup packet is 'c0 b2 0000 0000 0001' */
+	rr3->learn_control.bRequestType = 0xc0;
+	rr3->learn_control.bRequest = RR3_MODSIG_CAPTURE;
+	rr3->learn_control.wLength = cpu_to_le16(1);
+
+	usb_fill_control_urb(rr3->learn_urb, udev, usb_rcvctrlpipe(udev, 0),
+			(unsigned char *)&rr3->learn_control,
+			&rr3->learn_buf, sizeof(rr3->learn_buf),
+			redrat3_learn_complete, rr3);
 
 	/* setup packet is 'c0 b9 0000 0000 0001' */
 	rr3->flash_control.bRequestType = 0xc0;
@@ -1070,25 +1112,36 @@ static int redrat3_dev_probe(struct usb_interface *intf,
 			&rr3->flash_in_buf, sizeof(rr3->flash_in_buf),
 			redrat3_led_complete, rr3);
 
+	/* led control */
+	rr3->led.name = "redrat3:red:feedback";
+	rr3->led.default_trigger = "rc-feedback";
+	rr3->led.brightness_set = redrat3_brightness_set;
+	retval = led_classdev_register(&intf->dev, &rr3->led);
+	if (retval)
+		goto redrat_free;
+
 	rr3->rc = redrat3_init_rc_dev(rr3);
 	if (!rr3->rc) {
 		retval = -ENOMEM;
-		goto led_free_error;
+		goto led_free;
 	}
 
+	/* might be all we need to do? */
+	retval = redrat3_enable_detector(rr3);
+	if (retval < 0)
+		goto led_free;
+
 	/* we can register the device now, as it is ready */
 	usb_set_intfdata(intf, rr3);
 
 	return 0;
 
-led_free_error:
+led_free:
 	led_classdev_unregister(&rr3->led);
-error:
+redrat_free:
 	redrat3_delete(rr3, rr3->udev);
 
 no_endpoints:
-	dev_err(dev, "%s: retval = %x", __func__, retval);
-
 	return retval;
 }
 
@@ -1097,9 +1150,6 @@ static void redrat3_dev_disconnect(struct usb_interface *intf)
 	struct usb_device *udev = interface_to_usbdev(intf);
 	struct redrat3_dev *rr3 = usb_get_intfdata(intf);
 
-	if (!rr3)
-		return;
-
 	usb_set_intfdata(intf, NULL);
 	rc_unregister_device(rr3->rc);
 	led_classdev_unregister(&rr3->led);
@@ -1111,7 +1161,8 @@ static int redrat3_dev_suspend(struct usb_interface *intf, pm_message_t message)
 	struct redrat3_dev *rr3 = usb_get_intfdata(intf);
 
 	led_classdev_suspend(&rr3->led);
-	usb_kill_urb(rr3->read_urb);
+	usb_kill_urb(rr3->narrow_urb);
+	usb_kill_urb(rr3->wide_urb);
 	usb_kill_urb(rr3->flash_urb);
 	return 0;
 }
@@ -1120,7 +1171,9 @@ static int redrat3_dev_resume(struct usb_interface *intf)
 {
 	struct redrat3_dev *rr3 = usb_get_intfdata(intf);
 
-	if (usb_submit_urb(rr3->read_urb, GFP_ATOMIC))
+	if (usb_submit_urb(rr3->narrow_urb, GFP_ATOMIC))
+		return -EIO;
+	if (usb_submit_urb(rr3->wide_urb, GFP_ATOMIC))
 		return -EIO;
 	led_classdev_resume(&rr3->led);
 	return 0;
diff --git a/drivers/media/rc/serial_ir.c b/drivers/media/rc/serial_ir.c
new file mode 100644
index 000000000000..436bd58b5f05
--- /dev/null
+++ b/drivers/media/rc/serial_ir.c
@@ -0,0 +1,844 @@
+/*
+ * serial_ir.c
+ *
+ * serial_ir - Device driver that records pulse- and pause-lengths
+ *	       (space-lengths) between DDCD event on a serial port.
+ *
+ * Copyright (C) 1996,97 Ralph Metzler <rjkm@thp.uni-koeln.de>
+ * Copyright (C) 1998 Trent Piepho <xyzzy@u.washington.edu>
+ * Copyright (C) 1998 Ben Pfaff <blp@gnu.org>
+ * Copyright (C) 1999 Christoph Bartelmus <lirc@bartelmus.de>
+ * Copyright (C) 2007 Andrei Tanas <andrei@tanas.ca> (suspend/resume support)
+ * Copyright (C) 2016 Sean Young <sean@mess.org> (port to rc-core)
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ */
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+#include <linux/module.h>
+#include <linux/errno.h>
+#include <linux/interrupt.h>
+#include <linux/kernel.h>
+#include <linux/serial_reg.h>
+#include <linux/types.h>
+#include <linux/delay.h>
+#include <linux/platform_device.h>
+#include <linux/spinlock.h>
+#include <media/rc-core.h>
+
+struct serial_ir_hw {
+	int signal_pin;
+	int signal_pin_change;
+	u8 on;
+	u8 off;
+	unsigned set_send_carrier:1;
+	unsigned set_duty_cycle:1;
+	void (*send_pulse)(unsigned int length, ktime_t edge);
+	void (*send_space)(void);
+	spinlock_t lock;
+};
+
+#define IR_HOMEBREW	0
+#define IR_IRDEO	1
+#define IR_IRDEO_REMOTE	2
+#define IR_ANIMAX	3
+#define IR_IGOR		4
+
+/* module parameters */
+static int type;
+static int io;
+static int irq;
+static bool iommap;
+static int ioshift;
+static bool softcarrier = true;
+static bool share_irq;
+static int sense = -1;	/* -1 = auto, 0 = active high, 1 = active low */
+static bool txsense;	/* 0 = active high, 1 = active low */
+
+/* forward declarations */
+static void send_pulse_irdeo(unsigned int length, ktime_t edge);
+static void send_space_irdeo(void);
+#ifdef CONFIG_IR_SERIAL_TRANSMITTER
+static void send_pulse_homebrew(unsigned int length, ktime_t edge);
+static void send_space_homebrew(void);
+#endif
+
+static struct serial_ir_hw hardware[] = {
+	[IR_HOMEBREW] = {
+		.lock = __SPIN_LOCK_UNLOCKED(hardware[IR_HOMEBREW].lock),
+		.signal_pin	   = UART_MSR_DCD,
+		.signal_pin_change = UART_MSR_DDCD,
+		.on  = (UART_MCR_RTS | UART_MCR_OUT2 | UART_MCR_DTR),
+		.off = (UART_MCR_RTS | UART_MCR_OUT2),
+#ifdef CONFIG_IR_SERIAL_TRANSMITTER
+		.send_pulse = send_pulse_homebrew,
+		.send_space = send_space_homebrew,
+		.set_send_carrier = true,
+		.set_duty_cycle = true,
+#endif
+	},
+
+	[IR_IRDEO] = {
+		.lock = __SPIN_LOCK_UNLOCKED(hardware[IR_IRDEO].lock),
+		.signal_pin	   = UART_MSR_DSR,
+		.signal_pin_change = UART_MSR_DDSR,
+		.on  = UART_MCR_OUT2,
+		.off = (UART_MCR_RTS | UART_MCR_DTR | UART_MCR_OUT2),
+		.send_pulse = send_pulse_irdeo,
+		.send_space = send_space_irdeo,
+		.set_duty_cycle = true,
+	},
+
+	[IR_IRDEO_REMOTE] = {
+		.lock = __SPIN_LOCK_UNLOCKED(hardware[IR_IRDEO_REMOTE].lock),
+		.signal_pin	   = UART_MSR_DSR,
+		.signal_pin_change = UART_MSR_DDSR,
+		.on  = (UART_MCR_RTS | UART_MCR_DTR | UART_MCR_OUT2),
+		.off = (UART_MCR_RTS | UART_MCR_DTR | UART_MCR_OUT2),
+		.send_pulse = send_pulse_irdeo,
+		.send_space = send_space_irdeo,
+		.set_duty_cycle = true,
+	},
+
+	[IR_ANIMAX] = {
+		.lock = __SPIN_LOCK_UNLOCKED(hardware[IR_ANIMAX].lock),
+		.signal_pin	   = UART_MSR_DCD,
+		.signal_pin_change = UART_MSR_DDCD,
+		.on  = 0,
+		.off = (UART_MCR_RTS | UART_MCR_DTR | UART_MCR_OUT2),
+	},
+
+	[IR_IGOR] = {
+		.lock = __SPIN_LOCK_UNLOCKED(hardware[IR_IGOR].lock),
+		.signal_pin	   = UART_MSR_DSR,
+		.signal_pin_change = UART_MSR_DDSR,
+		.on  = (UART_MCR_RTS | UART_MCR_OUT2 | UART_MCR_DTR),
+		.off = (UART_MCR_RTS | UART_MCR_OUT2),
+#ifdef CONFIG_IR_SERIAL_TRANSMITTER
+		.send_pulse = send_pulse_homebrew,
+		.send_space = send_space_homebrew,
+		.set_send_carrier = true,
+		.set_duty_cycle = true,
+#endif
+	},
+};
+
+#define RS_ISR_PASS_LIMIT 256
+
+struct serial_ir {
+	ktime_t lastkt;
+	struct rc_dev *rcdev;
+	struct platform_device *pdev;
+
+	unsigned int freq;
+	unsigned int duty_cycle;
+
+	unsigned int pulse_width, space_width;
+};
+
+static struct serial_ir serial_ir;
+
+/* fetch serial input packet (1 byte) from register offset */
+static u8 sinp(int offset)
+{
+	if (iommap)
+		/* the register is memory-mapped */
+		offset <<= ioshift;
+
+	return inb(io + offset);
+}
+
+/* write serial output packet (1 byte) of value to register offset */
+static void soutp(int offset, u8 value)
+{
+	if (iommap)
+		/* the register is memory-mapped */
+		offset <<= ioshift;
+
+	outb(value, io + offset);
+}
+
+static void on(void)
+{
+	if (txsense)
+		soutp(UART_MCR, hardware[type].off);
+	else
+		soutp(UART_MCR, hardware[type].on);
+}
+
+static void off(void)
+{
+	if (txsense)
+		soutp(UART_MCR, hardware[type].on);
+	else
+		soutp(UART_MCR, hardware[type].off);
+}
+
+static void init_timing_params(unsigned int new_duty_cycle,
+			       unsigned int new_freq)
+{
+	serial_ir.duty_cycle = new_duty_cycle;
+	serial_ir.freq = new_freq;
+
+	serial_ir.pulse_width = DIV_ROUND_CLOSEST(
+		new_duty_cycle * NSEC_PER_SEC, new_freq * 100l);
+	serial_ir.space_width = DIV_ROUND_CLOSEST(
+		(100l - new_duty_cycle) * NSEC_PER_SEC, new_freq * 100l);
+}
+
+static void send_pulse_irdeo(unsigned int length, ktime_t target)
+{
+	long rawbits;
+	int i;
+	unsigned char output;
+	unsigned char chunk, shifted;
+
+	/* how many bits have to be sent ? */
+	rawbits = length * 1152 / 10000;
+	if (serial_ir.duty_cycle > 50)
+		chunk = 3;
+	else
+		chunk = 1;
+	for (i = 0, output = 0x7f; rawbits > 0; rawbits -= 3) {
+		shifted = chunk << (i * 3);
+		shifted >>= 1;
+		output &= (~shifted);
+		i++;
+		if (i == 3) {
+			soutp(UART_TX, output);
+			while (!(sinp(UART_LSR) & UART_LSR_THRE))
+				;
+			output = 0x7f;
+			i = 0;
+		}
+	}
+	if (i != 0) {
+		soutp(UART_TX, output);
+		while (!(sinp(UART_LSR) & UART_LSR_TEMT))
+			;
+	}
+}
+
+static void send_space_irdeo(void)
+{
+}
+
+#ifdef CONFIG_IR_SERIAL_TRANSMITTER
+static void send_pulse_homebrew_softcarrier(unsigned int length, ktime_t edge)
+{
+	ktime_t now, target = ktime_add_us(edge, length);
+	/*
+	 * delta should never exceed 4 seconds and on m68k
+	 * ndelay(s64) does not compile; so use s32 rather than s64.
+	 */
+	s32 delta;
+
+	for (;;) {
+		now = ktime_get();
+		if (ktime_compare(now, target) >= 0)
+			break;
+		on();
+		edge = ktime_add_ns(edge, serial_ir.pulse_width);
+		delta = ktime_to_ns(ktime_sub(edge, now));
+		if (delta > 0)
+			ndelay(delta);
+		now = ktime_get();
+		off();
+		if (ktime_compare(now, target) >= 0)
+			break;
+		edge = ktime_add_ns(edge, serial_ir.space_width);
+		delta = ktime_to_ns(ktime_sub(edge, now));
+		if (delta > 0)
+			ndelay(delta);
+	}
+}
+
+static void send_pulse_homebrew(unsigned int length, ktime_t edge)
+{
+	if (softcarrier)
+		send_pulse_homebrew_softcarrier(length, edge);
+	else
+		on();
+}
+
+static void send_space_homebrew(void)
+{
+	off();
+}
+#endif
+
+static void frbwrite(unsigned int l, bool is_pulse)
+{
+	/* simple noise filter */
+	static unsigned int ptr, pulse, space;
+	DEFINE_IR_RAW_EVENT(ev);
+
+	if (ptr > 0 && is_pulse) {
+		pulse += l;
+		if (pulse > 250000) {
+			ev.duration = space;
+			ev.pulse = false;
+			ir_raw_event_store_with_filter(serial_ir.rcdev, &ev);
+			ev.duration = pulse;
+			ev.pulse = true;
+			ir_raw_event_store_with_filter(serial_ir.rcdev, &ev);
+			ptr = 0;
+			pulse = 0;
+		}
+		return;
+	}
+	if (!is_pulse) {
+		if (ptr == 0) {
+			if (l > 20000000) {
+				space = l;
+				ptr++;
+				return;
+			}
+		} else {
+			if (l > 20000000) {
+				space += pulse;
+				if (space > IR_MAX_DURATION)
+					space = IR_MAX_DURATION;
+				space += l;
+				if (space > IR_MAX_DURATION)
+					space = IR_MAX_DURATION;
+				pulse = 0;
+				return;
+			}
+
+			ev.duration = space;
+			ev.pulse = false;
+			ir_raw_event_store_with_filter(serial_ir.rcdev, &ev);
+			ev.duration = pulse;
+			ev.pulse = true;
+			ir_raw_event_store_with_filter(serial_ir.rcdev, &ev);
+			ptr = 0;
+			pulse = 0;
+		}
+	}
+
+	ev.duration = l;
+	ev.pulse = is_pulse;
+	ir_raw_event_store_with_filter(serial_ir.rcdev, &ev);
+}
+
+static irqreturn_t serial_ir_irq_handler(int i, void *blah)
+{
+	ktime_t kt;
+	int counter, dcd;
+	u8 status;
+	ktime_t delkt;
+	unsigned int data;
+	static int last_dcd = -1;
+
+	if ((sinp(UART_IIR) & UART_IIR_NO_INT)) {
+		/* not our interrupt */
+		return IRQ_NONE;
+	}
+
+	counter = 0;
+	do {
+		counter++;
+		status = sinp(UART_MSR);
+		if (counter > RS_ISR_PASS_LIMIT) {
+			dev_err(&serial_ir.pdev->dev, "Trapped in interrupt");
+			break;
+		}
+		if ((status & hardware[type].signal_pin_change) &&
+		    sense != -1) {
+			/* get current time */
+			kt = ktime_get();
+
+			/*
+			 * The driver needs to know if your receiver is
+			 * active high or active low, or the space/pulse
+			 * sense could be inverted.
+			 */
+
+			/* calc time since last interrupt in nanoseconds */
+			dcd = (status & hardware[type].signal_pin) ? 1 : 0;
+
+			if (dcd == last_dcd) {
+				dev_err(&serial_ir.pdev->dev,
+					"ignoring spike: %d %d %lldns %lldns\n",
+					dcd, sense, ktime_to_ns(kt),
+					ktime_to_ns(serial_ir.lastkt));
+				continue;
+			}
+
+			delkt = ktime_sub(kt, serial_ir.lastkt);
+			if (ktime_compare(delkt, ktime_set(15, 0)) > 0) {
+				data = IR_MAX_DURATION; /* really long time */
+				if (!(dcd ^ sense)) {
+					/* sanity check */
+					dev_err(&serial_ir.pdev->dev,
+						"dcd unexpected: %d %d %lldns %lldns\n",
+						dcd, sense, ktime_to_ns(kt),
+						ktime_to_ns(serial_ir.lastkt));
+					/*
+					 * detecting pulse while this
+					 * MUST be a space!
+					 */
+					sense = sense ? 0 : 1;
+				}
+			} else {
+				data = ktime_to_ns(delkt);
+			}
+			frbwrite(data, !(dcd ^ sense));
+			serial_ir.lastkt = kt;
+			last_dcd = dcd;
+			ir_raw_event_handle(serial_ir.rcdev);
+		}
+	} while (!(sinp(UART_IIR) & UART_IIR_NO_INT)); /* still pending ? */
+	return IRQ_HANDLED;
+}
+
+static int hardware_init_port(void)
+{
+	u8 scratch, scratch2, scratch3;
+
+	/*
+	 * This is a simple port existence test, borrowed from the autoconfig
+	 * function in drivers/tty/serial/8250/8250_port.c
+	 */
+	scratch = sinp(UART_IER);
+	soutp(UART_IER, 0);
+#ifdef __i386__
+	outb(0xff, 0x080);
+#endif
+	scratch2 = sinp(UART_IER) & 0x0f;
+	soutp(UART_IER, 0x0f);
+#ifdef __i386__
+	outb(0x00, 0x080);
+#endif
+	scratch3 = sinp(UART_IER) & 0x0f;
+	soutp(UART_IER, scratch);
+	if (scratch2 != 0 || scratch3 != 0x0f) {
+		/* we fail, there's nothing here */
+		pr_err("port existence test failed, cannot continue\n");
+		return -ENODEV;
+	}
+
+	/* Set DLAB 0. */
+	soutp(UART_LCR, sinp(UART_LCR) & (~UART_LCR_DLAB));
+
+	/* First of all, disable all interrupts */
+	soutp(UART_IER, sinp(UART_IER) &
+	      (~(UART_IER_MSI | UART_IER_RLSI | UART_IER_THRI | UART_IER_RDI)));
+
+	/* Clear registers. */
+	sinp(UART_LSR);
+	sinp(UART_RX);
+	sinp(UART_IIR);
+	sinp(UART_MSR);
+
+	/* Set line for power source */
+	off();
+
+	/* Clear registers again to be sure. */
+	sinp(UART_LSR);
+	sinp(UART_RX);
+	sinp(UART_IIR);
+	sinp(UART_MSR);
+
+	switch (type) {
+	case IR_IRDEO:
+	case IR_IRDEO_REMOTE:
+		/* setup port to 7N1 @ 115200 Baud */
+		/* 7N1+start = 9 bits at 115200 ~ 3 bits at 38kHz */
+
+		/* Set DLAB 1. */
+		soutp(UART_LCR, sinp(UART_LCR) | UART_LCR_DLAB);
+		/* Set divisor to 1 => 115200 Baud */
+		soutp(UART_DLM, 0);
+		soutp(UART_DLL, 1);
+		/* Set DLAB 0 +  7N1 */
+		soutp(UART_LCR, UART_LCR_WLEN7);
+		/* THR interrupt already disabled at this point */
+		break;
+	default:
+		break;
+	}
+
+	return 0;
+}
+
+static int serial_ir_probe(struct platform_device *dev)
+{
+	int i, nlow, nhigh, result;
+
+	result = devm_request_irq(&dev->dev, irq, serial_ir_irq_handler,
+				  share_irq ? IRQF_SHARED : 0,
+				  KBUILD_MODNAME, &hardware);
+	if (result < 0) {
+		if (result == -EBUSY)
+			dev_err(&dev->dev, "IRQ %d busy\n", irq);
+		else if (result == -EINVAL)
+			dev_err(&dev->dev, "Bad irq number or handler\n");
+		return result;
+	}
+
+	/* Reserve io region. */
+	if ((iommap &&
+	     (devm_request_mem_region(&dev->dev, iommap, 8 << ioshift,
+				      KBUILD_MODNAME) == NULL)) ||
+	     (!iommap && (devm_request_region(&dev->dev, io, 8,
+			  KBUILD_MODNAME) == NULL))) {
+		dev_err(&dev->dev, "port %04x already in use\n", io);
+		dev_warn(&dev->dev, "use 'setserial /dev/ttySX uart none'\n");
+		dev_warn(&dev->dev,
+			 "or compile the serial port driver as module and\n");
+		dev_warn(&dev->dev, "make sure this module is loaded first\n");
+		return -EBUSY;
+	}
+
+	result = hardware_init_port();
+	if (result < 0)
+		return result;
+
+	/* Initialize pulse/space widths */
+	init_timing_params(50, 38000);
+
+	/* If pin is high, then this must be an active low receiver. */
+	if (sense == -1) {
+		/* wait 1/2 sec for the power supply */
+		msleep(500);
+
+		/*
+		 * probe 9 times every 0.04s, collect "votes" for
+		 * active high/low
+		 */
+		nlow = 0;
+		nhigh = 0;
+		for (i = 0; i < 9; i++) {
+			if (sinp(UART_MSR) & hardware[type].signal_pin)
+				nlow++;
+			else
+				nhigh++;
+			msleep(40);
+		}
+		sense = nlow >= nhigh ? 1 : 0;
+		dev_info(&dev->dev, "auto-detected active %s receiver\n",
+			 sense ? "low" : "high");
+	} else
+		dev_info(&dev->dev, "Manually using active %s receiver\n",
+			 sense ? "low" : "high");
+
+	dev_dbg(&dev->dev, "Interrupt %d, port %04x obtained\n", irq, io);
+	return 0;
+}
+
+static int serial_ir_open(struct rc_dev *rcdev)
+{
+	unsigned long flags;
+
+	/* initialize timestamp */
+	serial_ir.lastkt = ktime_get();
+
+	spin_lock_irqsave(&hardware[type].lock, flags);
+
+	/* Set DLAB 0. */
+	soutp(UART_LCR, sinp(UART_LCR) & (~UART_LCR_DLAB));
+
+	soutp(UART_IER, sinp(UART_IER) | UART_IER_MSI);
+
+	spin_unlock_irqrestore(&hardware[type].lock, flags);
+
+	return 0;
+}
+
+static void serial_ir_close(struct rc_dev *rcdev)
+{
+	unsigned long flags;
+
+	spin_lock_irqsave(&hardware[type].lock, flags);
+
+	/* Set DLAB 0. */
+	soutp(UART_LCR, sinp(UART_LCR) & (~UART_LCR_DLAB));
+
+	/* First of all, disable all interrupts */
+	soutp(UART_IER, sinp(UART_IER) &
+	      (~(UART_IER_MSI | UART_IER_RLSI | UART_IER_THRI | UART_IER_RDI)));
+	spin_unlock_irqrestore(&hardware[type].lock, flags);
+}
+
+static int serial_ir_tx(struct rc_dev *dev, unsigned int *txbuf,
+			unsigned int count)
+{
+	unsigned long flags;
+	ktime_t edge;
+	s64 delta;
+	int i;
+
+	spin_lock_irqsave(&hardware[type].lock, flags);
+	if (type == IR_IRDEO) {
+		/* DTR, RTS down */
+		on();
+	}
+
+	edge = ktime_get();
+	for (i = 0; i < count; i++) {
+		if (i % 2)
+			hardware[type].send_space();
+		else
+			hardware[type].send_pulse(txbuf[i], edge);
+
+		edge = ktime_add_us(edge, txbuf[i]);
+		delta = ktime_us_delta(edge, ktime_get());
+		if (delta > 25) {
+			spin_unlock_irqrestore(&hardware[type].lock, flags);
+			usleep_range(delta - 25, delta + 25);
+			spin_lock_irqsave(&hardware[type].lock, flags);
+		} else if (delta > 0) {
+			udelay(delta);
+		}
+	}
+	off();
+	spin_unlock_irqrestore(&hardware[type].lock, flags);
+	return count;
+}
+
+static int serial_ir_tx_duty_cycle(struct rc_dev *dev, u32 cycle)
+{
+	init_timing_params(cycle, serial_ir.freq);
+	return 0;
+}
+
+static int serial_ir_tx_carrier(struct rc_dev *dev, u32 carrier)
+{
+	if (carrier > 500000 || carrier < 20000)
+		return -EINVAL;
+
+	init_timing_params(serial_ir.duty_cycle, carrier);
+	return 0;
+}
+
+static int serial_ir_suspend(struct platform_device *dev,
+			     pm_message_t state)
+{
+	/* Set DLAB 0. */
+	soutp(UART_LCR, sinp(UART_LCR) & (~UART_LCR_DLAB));
+
+	/* Disable all interrupts */
+	soutp(UART_IER, sinp(UART_IER) &
+	      (~(UART_IER_MSI | UART_IER_RLSI | UART_IER_THRI | UART_IER_RDI)));
+
+	/* Clear registers. */
+	sinp(UART_LSR);
+	sinp(UART_RX);
+	sinp(UART_IIR);
+	sinp(UART_MSR);
+
+	return 0;
+}
+
+static int serial_ir_resume(struct platform_device *dev)
+{
+	unsigned long flags;
+	int result;
+
+	result = hardware_init_port();
+	if (result < 0)
+		return result;
+
+	spin_lock_irqsave(&hardware[type].lock, flags);
+	/* Enable Interrupt */
+	serial_ir.lastkt = ktime_get();
+	soutp(UART_IER, sinp(UART_IER) | UART_IER_MSI);
+	off();
+
+	spin_unlock_irqrestore(&hardware[type].lock, flags);
+
+	return 0;
+}
+
+static struct platform_driver serial_ir_driver = {
+	.probe		= serial_ir_probe,
+	.suspend	= serial_ir_suspend,
+	.resume		= serial_ir_resume,
+	.driver		= {
+		.name	= "serial_ir",
+	},
+};
+
+static int __init serial_ir_init(void)
+{
+	int result;
+
+	result = platform_driver_register(&serial_ir_driver);
+	if (result)
+		return result;
+
+	serial_ir.pdev = platform_device_alloc("serial_ir", 0);
+	if (!serial_ir.pdev) {
+		result = -ENOMEM;
+		goto exit_driver_unregister;
+	}
+
+	result = platform_device_add(serial_ir.pdev);
+	if (result)
+		goto exit_device_put;
+
+	return 0;
+
+exit_device_put:
+	platform_device_put(serial_ir.pdev);
+exit_driver_unregister:
+	platform_driver_unregister(&serial_ir_driver);
+	return result;
+}
+
+static void serial_ir_exit(void)
+{
+	platform_device_unregister(serial_ir.pdev);
+	platform_driver_unregister(&serial_ir_driver);
+}
+
+static int __init serial_ir_init_module(void)
+{
+	struct rc_dev *rcdev;
+	int result;
+
+	switch (type) {
+	case IR_HOMEBREW:
+	case IR_IRDEO:
+	case IR_IRDEO_REMOTE:
+	case IR_ANIMAX:
+	case IR_IGOR:
+		/* if nothing specified, use ttyS0/com1 and irq 4 */
+		io = io ? io : 0x3f8;
+		irq = irq ? irq : 4;
+		break;
+	default:
+		return -EINVAL;
+	}
+	if (!softcarrier) {
+		switch (type) {
+		case IR_HOMEBREW:
+		case IR_IGOR:
+			hardware[type].set_send_carrier = false;
+			hardware[type].set_duty_cycle = false;
+			break;
+		}
+	}
+
+	/* make sure sense is either -1, 0, or 1 */
+	if (sense != -1)
+		sense = !!sense;
+
+	result = serial_ir_init();
+	if (result)
+		return result;
+
+	rcdev = devm_rc_allocate_device(&serial_ir.pdev->dev);
+	if (!rcdev) {
+		result = -ENOMEM;
+		goto serial_cleanup;
+	}
+
+	if (hardware[type].send_pulse && hardware[type].send_space)
+		rcdev->tx_ir = serial_ir_tx;
+	if (hardware[type].set_send_carrier)
+		rcdev->s_tx_carrier = serial_ir_tx_carrier;
+	if (hardware[type].set_duty_cycle)
+		rcdev->s_tx_duty_cycle = serial_ir_tx_duty_cycle;
+
+	switch (type) {
+	case IR_HOMEBREW:
+		rcdev->input_name = "Serial IR type home-brew";
+		break;
+	case IR_IRDEO:
+		rcdev->input_name = "Serial IR type IRdeo";
+		break;
+	case IR_IRDEO_REMOTE:
+		rcdev->input_name = "Serial IR type IRdeo remote";
+		break;
+	case IR_ANIMAX:
+		rcdev->input_name = "Serial IR type AnimaX";
+		break;
+	case IR_IGOR:
+		rcdev->input_name = "Serial IR type IgorPlug";
+		break;
+	}
+
+	rcdev->input_phys = KBUILD_MODNAME "/input0";
+	rcdev->input_id.bustype = BUS_HOST;
+	rcdev->input_id.vendor = 0x0001;
+	rcdev->input_id.product = 0x0001;
+	rcdev->input_id.version = 0x0100;
+	rcdev->open = serial_ir_open;
+	rcdev->close = serial_ir_close;
+	rcdev->dev.parent = &serial_ir.pdev->dev;
+	rcdev->driver_type = RC_DRIVER_IR_RAW;
+	rcdev->allowed_protocols = RC_BIT_ALL;
+	rcdev->driver_name = KBUILD_MODNAME;
+	rcdev->map_name = RC_MAP_RC6_MCE;
+	rcdev->timeout = IR_DEFAULT_TIMEOUT;
+	rcdev->rx_resolution = 250000;
+
+	serial_ir.rcdev = rcdev;
+
+	result = rc_register_device(rcdev);
+
+	if (!result)
+		return 0;
+serial_cleanup:
+	serial_ir_exit();
+	return result;
+}
+
+static void __exit serial_ir_exit_module(void)
+{
+	rc_unregister_device(serial_ir.rcdev);
+	serial_ir_exit();
+}
+
+module_init(serial_ir_init_module);
+module_exit(serial_ir_exit_module);
+
+MODULE_DESCRIPTION("Infra-red receiver driver for serial ports.");
+MODULE_AUTHOR("Ralph Metzler, Trent Piepho, Ben Pfaff, Christoph Bartelmus, Andrei Tanas");
+MODULE_LICENSE("GPL");
+
+module_param(type, int, 0444);
+MODULE_PARM_DESC(type, "Hardware type (0 = home-brew, 1 = IRdeo, 2 = IRdeo Remote, 3 = AnimaX, 4 = IgorPlug");
+
+module_param(io, int, 0444);
+MODULE_PARM_DESC(io, "I/O address base (0x3f8 or 0x2f8)");
+
+/* some architectures (e.g. intel xscale) have memory mapped registers */
+module_param(iommap, bool, 0444);
+MODULE_PARM_DESC(iommap, "physical base for memory mapped I/O (0 = no memory mapped io)");
+
+/*
+ * some architectures (e.g. intel xscale) align the 8bit serial registers
+ * on 32bit word boundaries.
+ * See linux-kernel/drivers/tty/serial/8250/8250.c serial_in()/out()
+ */
+module_param(ioshift, int, 0444);
+MODULE_PARM_DESC(ioshift, "shift I/O register offset (0 = no shift)");
+
+module_param(irq, int, 0444);
+MODULE_PARM_DESC(irq, "Interrupt (4 or 3)");
+
+module_param(share_irq, bool, 0444);
+MODULE_PARM_DESC(share_irq, "Share interrupts (0 = off, 1 = on)");
+
+module_param(sense, int, 0444);
+MODULE_PARM_DESC(sense, "Override autodetection of IR receiver circuit (0 = active high, 1 = active low )");
+
+#ifdef CONFIG_IR_SERIAL_TRANSMITTER
+module_param(txsense, bool, 0444);
+MODULE_PARM_DESC(txsense, "Sense of transmitter circuit (0 = active high, 1 = active low )");
+#endif
+
+module_param(softcarrier, bool, 0444);
+MODULE_PARM_DESC(softcarrier, "Software carrier (0 = off, 1 = on, default on)");
diff --git a/drivers/media/rc/streamzap.c b/drivers/media/rc/streamzap.c
index 4004260a7c69..53f9b0af358a 100644
--- a/drivers/media/rc/streamzap.c
+++ b/drivers/media/rc/streamzap.c
@@ -297,8 +297,7 @@ static struct rc_dev *streamzap_init_rc_dev(struct streamzap_ir *sz)
 		goto out;
 	}
 
-	snprintf(sz->name, sizeof(sz->name), "Streamzap PC Remote Infrared "
-		 "Receiver (%04x:%04x)",
+	snprintf(sz->name, sizeof(sz->name), "Streamzap PC Remote Infrared Receiver (%04x:%04x)",
 		 le16_to_cpu(sz->usbdev->descriptor.idVendor),
 		 le16_to_cpu(sz->usbdev->descriptor.idProduct));
 	usb_make_path(sz->usbdev, sz->phys, sizeof(sz->phys));
@@ -364,15 +363,15 @@ static int streamzap_probe(struct usb_interface *intf,
 
 	sz->endpoint = &(iface_host->endpoint[0].desc);
 	if (!usb_endpoint_dir_in(sz->endpoint)) {
-		dev_err(&intf->dev, "%s: endpoint doesn't match input device "
-			"02%02x\n", __func__, sz->endpoint->bEndpointAddress);
+		dev_err(&intf->dev, "%s: endpoint doesn't match input device 02%02x\n",
+			__func__, sz->endpoint->bEndpointAddress);
 		retval = -ENODEV;
 		goto free_sz;
 	}
 
 	if (!usb_endpoint_xfer_int(sz->endpoint)) {
-		dev_err(&intf->dev, "%s: endpoint attributes don't match xfer "
-			"02%02x\n", __func__, sz->endpoint->bmAttributes);
+		dev_err(&intf->dev, "%s: endpoint attributes don't match xfer 02%02x\n",
+			__func__, sz->endpoint->bmAttributes);
 		retval = -ENODEV;
 		goto free_sz;
 	}
diff --git a/drivers/media/rc/winbond-cir.c b/drivers/media/rc/winbond-cir.c
index 95ae60e659a1..78491ed48d92 100644
--- a/drivers/media/rc/winbond-cir.c
+++ b/drivers/media/rc/winbond-cir.c
@@ -227,8 +227,7 @@ struct wbcir_data {
 
 static enum wbcir_protocol protocol = IR_PROTOCOL_RC6;
 module_param(protocol, uint, 0444);
-MODULE_PARM_DESC(protocol, "IR protocol to use for the power-on command "
-		 "(0 = RC5, 1 = NEC, 2 = RC6A, default)");
+MODULE_PARM_DESC(protocol, "IR protocol to use for the power-on command (0 = RC5, 1 = NEC, 2 = RC6A, default)");
 
 static bool invert; /* default = 0 */
 module_param(invert, bool, 0444);
@@ -244,8 +243,7 @@ MODULE_PARM_DESC(wake_sc, "Scancode of the power-on IR command");
 
 static unsigned int wake_rc6mode = 6;
 module_param(wake_rc6mode, uint, 0644);
-MODULE_PARM_DESC(wake_rc6mode, "RC6 mode for the power-on command "
-		 "(0 = 0, 6 = 6A, default)");
+MODULE_PARM_DESC(wake_rc6mode, "RC6 mode for the power-on command (0 = 0, 6 = 6A, default)");
 
 
 
@@ -660,7 +658,7 @@ wbcir_tx(struct rc_dev *dev, unsigned *b, unsigned count)
 	unsigned i;
 	unsigned long flags;
 
-	buf = kmalloc(count * sizeof(*b), GFP_KERNEL);
+	buf = kmalloc_array(count, sizeof(*b), GFP_KERNEL);
 	if (!buf)
 		return -ENOMEM;
 
@@ -1050,8 +1048,7 @@ wbcir_probe(struct pnp_dev *device, const struct pnp_device_id *dev_id)
 		goto exit_free_data;
 	}
 
-	dev_dbg(&device->dev, "Found device "
-		"(w: 0x%lX, e: 0x%lX, s: 0x%lX, i: %u)\n",
+	dev_dbg(&device->dev, "Found device (w: 0x%lX, e: 0x%lX, s: 0x%lX, i: %u)\n",
 		data->wbase, data->ebase, data->sbase, data->irq);
 
 	data->led.name = "cir::activity";
@@ -1188,7 +1185,7 @@ static const struct pnp_device_id wbcir_ids[] = {
 MODULE_DEVICE_TABLE(pnp, wbcir_ids);
 
 static struct pnp_driver wbcir_driver = {
-	.name     = WBCIR_NAME,
+	.name     = DRVNAME,
 	.id_table = wbcir_ids,
 	.probe    = wbcir_probe,
 	.remove   = wbcir_remove,
diff --git a/drivers/media/spi/gs1662.c b/drivers/media/spi/gs1662.c
index d76f36233f43..330dcb2b2e44 100644
--- a/drivers/media/spi/gs1662.c
+++ b/drivers/media/spi/gs1662.c
@@ -453,17 +453,15 @@ static int gs_probe(struct spi_device *spi)
 static int gs_remove(struct spi_device *spi)
 {
 	struct v4l2_subdev *sd = spi_get_drvdata(spi);
-	struct gs *gs = to_gs(sd);
 
 	v4l2_device_unregister_subdev(sd);
-	kfree(gs);
+
 	return 0;
 }
 
 static struct spi_driver gs_driver = {
 	.driver = {
 		.name		= "gs1662",
-		.owner		= THIS_MODULE,
 	},
 
 	.probe		= gs_probe,
diff --git a/drivers/media/tuners/fc0011.c b/drivers/media/tuners/fc0011.c
index 3932aa81e18c..00489a9df4e4 100644
--- a/drivers/media/tuners/fc0011.c
+++ b/drivers/media/tuners/fc0011.c
@@ -112,12 +112,10 @@ static int fc0011_readreg(struct fc0011_priv *priv, u8 reg, u8 *val)
 	return 0;
 }
 
-static int fc0011_release(struct dvb_frontend *fe)
+static void fc0011_release(struct dvb_frontend *fe)
 {
 	kfree(fe->tuner_priv);
 	fe->tuner_priv = NULL;
-
-	return 0;
 }
 
 static int fc0011_init(struct dvb_frontend *fe)
@@ -262,8 +260,7 @@ static int fc0011_set_params(struct dvb_frontend *fe)
 		regs[FC11_REG_VCOSEL] |= FC11_VCOSEL_BW7M;
 		break;
 	default:
-		dev_warn(&priv->i2c->dev, "Unsupported bandwidth %u kHz. "
-			 "Using 6000 kHz.\n",
+		dev_warn(&priv->i2c->dev, "Unsupported bandwidth %u kHz. Using 6000 kHz.\n",
 			 bandwidth);
 		bandwidth = 6000;
 		/* fallthrough */
@@ -435,9 +432,7 @@ static int fc0011_set_params(struct dvb_frontend *fe)
 	if (err)
 		return err;
 
-	dev_dbg(&priv->i2c->dev, "Tuned to "
-		"fa=%02X fp=%02X xin=%02X%02X vco=%02X vcosel=%02X "
-		"vcocal=%02X(%u) bw=%u\n",
+	dev_dbg(&priv->i2c->dev, "Tuned to fa=%02X fp=%02X xin=%02X%02X vco=%02X vcosel=%02X vcocal=%02X(%u) bw=%u\n",
 		(unsigned int)regs[FC11_REG_FA],
 		(unsigned int)regs[FC11_REG_FP],
 		(unsigned int)regs[FC11_REG_XINHI],
diff --git a/drivers/media/tuners/fc0012.c b/drivers/media/tuners/fc0012.c
index d74e92056810..30508f44e5f9 100644
--- a/drivers/media/tuners/fc0012.c
+++ b/drivers/media/tuners/fc0012.c
@@ -55,11 +55,10 @@ static int fc0012_readreg(struct fc0012_priv *priv, u8 reg, u8 *val)
 	return 0;
 }
 
-static int fc0012_release(struct dvb_frontend *fe)
+static void fc0012_release(struct dvb_frontend *fe)
 {
 	kfree(fe->tuner_priv);
 	fe->tuner_priv = NULL;
-	return 0;
 }
 
 static int fc0012_init(struct dvb_frontend *fe)
diff --git a/drivers/media/tuners/fc0013.c b/drivers/media/tuners/fc0013.c
index 522690d97b42..f7cf0e9e7c99 100644
--- a/drivers/media/tuners/fc0013.c
+++ b/drivers/media/tuners/fc0013.c
@@ -52,11 +52,10 @@ static int fc0013_readreg(struct fc0013_priv *priv, u8 reg, u8 *val)
 	return 0;
 }
 
-static int fc0013_release(struct dvb_frontend *fe)
+static void fc0013_release(struct dvb_frontend *fe)
 {
 	kfree(fe->tuner_priv);
 	fe->tuner_priv = NULL;
-	return 0;
 }
 
 static int fc0013_init(struct dvb_frontend *fe)
diff --git a/drivers/media/tuners/max2165.c b/drivers/media/tuners/max2165.c
index 353b178becf6..c3f10925b0d4 100644
--- a/drivers/media/tuners/max2165.c
+++ b/drivers/media/tuners/max2165.c
@@ -370,15 +370,13 @@ static int max2165_init(struct dvb_frontend *fe)
 	return 0;
 }
 
-static int max2165_release(struct dvb_frontend *fe)
+static void max2165_release(struct dvb_frontend *fe)
 {
 	struct max2165_priv *priv = fe->tuner_priv;
 	dprintk("%s()\n", __func__);
 
 	kfree(priv);
 	fe->tuner_priv = NULL;
-
-	return 0;
 }
 
 static const struct dvb_tuner_ops max2165_tuner_ops = {
diff --git a/drivers/media/tuners/mc44s803.c b/drivers/media/tuners/mc44s803.c
index f1b764074661..aba580b4ac2c 100644
--- a/drivers/media/tuners/mc44s803.c
+++ b/drivers/media/tuners/mc44s803.c
@@ -80,14 +80,12 @@ static int mc44s803_readreg(struct mc44s803_priv *priv, u8 reg, u32 *val)
 	return 0;
 }
 
-static int mc44s803_release(struct dvb_frontend *fe)
+static void mc44s803_release(struct dvb_frontend *fe)
 {
 	struct mc44s803_priv *priv = fe->tuner_priv;
 
 	fe->tuner_priv = NULL;
 	kfree(priv);
-
-	return 0;
 }
 
 static int mc44s803_init(struct dvb_frontend *fe)
@@ -349,8 +347,8 @@ struct dvb_frontend *mc44s803_attach(struct dvb_frontend *fe,
 	id = MC44S803_REG_MS(reg, MC44S803_ID);
 
 	if (id != 0x14) {
-		mc_printk(KERN_ERR, "unsupported ID "
-		       "(%x should be 0x14)\n", id);
+		mc_printk(KERN_ERR, "unsupported ID (%x should be 0x14)\n",
+			  id);
 		goto error;
 	}
 
diff --git a/drivers/media/tuners/mt2060.c b/drivers/media/tuners/mt2060.c
index b87b2549d58d..94077ea78dde 100644
--- a/drivers/media/tuners/mt2060.c
+++ b/drivers/media/tuners/mt2060.c
@@ -332,11 +332,10 @@ static int mt2060_sleep(struct dvb_frontend *fe)
 	return ret;
 }
 
-static int mt2060_release(struct dvb_frontend *fe)
+static void mt2060_release(struct dvb_frontend *fe)
 {
 	kfree(fe->tuner_priv);
 	fe->tuner_priv = NULL;
-	return 0;
 }
 
 static const struct dvb_tuner_ops mt2060_tuner_ops = {
diff --git a/drivers/media/tuners/mt2063.c b/drivers/media/tuners/mt2063.c
index dfec23743afe..8b39d8dc97a0 100644
--- a/drivers/media/tuners/mt2063.c
+++ b/drivers/media/tuners/mt2063.c
@@ -2019,7 +2019,7 @@ static int mt2063_get_status(struct dvb_frontend *fe, u32 *tuner_status)
 	return 0;
 }
 
-static int mt2063_release(struct dvb_frontend *fe)
+static void mt2063_release(struct dvb_frontend *fe)
 {
 	struct mt2063_state *state = fe->tuner_priv;
 
@@ -2027,8 +2027,6 @@ static int mt2063_release(struct dvb_frontend *fe)
 
 	fe->tuner_priv = NULL;
 	kfree(state);
-
-	return 0;
 }
 
 static int mt2063_set_analog_params(struct dvb_frontend *fe,
diff --git a/drivers/media/tuners/mt20xx.c b/drivers/media/tuners/mt20xx.c
index 52da4671b0e0..129bf8e1aff8 100644
--- a/drivers/media/tuners/mt20xx.c
+++ b/drivers/media/tuners/mt20xx.c
@@ -49,12 +49,10 @@ struct microtune_priv {
 	u32 frequency;
 };
 
-static int microtune_release(struct dvb_frontend *fe)
+static void microtune_release(struct dvb_frontend *fe)
 {
 	kfree(fe->tuner_priv);
 	fe->tuner_priv = NULL;
-
-	return 0;
 }
 
 static int microtune_get_frequency(struct dvb_frontend *fe, u32 *frequency)
@@ -487,13 +485,8 @@ static void mt2050_set_if_freq(struct dvb_frontend *fe,unsigned int freq, unsign
 	buf[5]=div2a;
 	if(num2!=0) buf[5]=buf[5]|0x40;
 
-	if (debug > 1) {
-		int i;
-		tuner_dbg("bufs is: ");
-		for(i=0;i<6;i++)
-			printk("%x ",buf[i]);
-		printk("\n");
-	}
+	if (debug > 1)
+		tuner_dbg("bufs is: %*ph\n", 6, buf);
 
 	ret=tuner_i2c_xfer_send(&priv->i2c_props,buf,6);
 	if (ret!=6)
@@ -619,15 +612,9 @@ struct dvb_frontend *microtune_attach(struct dvb_frontend *fe,
 
 	tuner_i2c_xfer_send(&priv->i2c_props,buf,1);
 	tuner_i2c_xfer_recv(&priv->i2c_props,buf,21);
-	if (debug) {
-		int i;
-		tuner_dbg("MT20xx hexdump:");
-		for(i=0;i<21;i++) {
-			printk(" %02x",buf[i]);
-			if(((i+1)%8)==0) printk(" ");
-		}
-		printk("\n");
-	}
+	if (debug)
+		tuner_dbg("MT20xx hexdump: %*ph\n", 21, buf);
+
 	company_code = buf[0x11] << 8 | buf[0x12];
 	tuner_info("microtune: companycode=%04x part=%02x rev=%02x\n",
 		   company_code,buf[0x13],buf[0x14]);
diff --git a/drivers/media/tuners/mt2131.c b/drivers/media/tuners/mt2131.c
index 6e2cdd2b6175..e7790e4afcfe 100644
--- a/drivers/media/tuners/mt2131.c
+++ b/drivers/media/tuners/mt2131.c
@@ -230,12 +230,11 @@ static int mt2131_init(struct dvb_frontend *fe)
 	return ret;
 }
 
-static int mt2131_release(struct dvb_frontend *fe)
+static void mt2131_release(struct dvb_frontend *fe)
 {
 	dprintk(1, "%s()\n", __func__);
 	kfree(fe->tuner_priv);
 	fe->tuner_priv = NULL;
-	return 0;
 }
 
 static const struct dvb_tuner_ops mt2131_tuner_ops = {
diff --git a/drivers/media/tuners/mt2266.c b/drivers/media/tuners/mt2266.c
index bca4d75e42d4..88edcc031e3c 100644
--- a/drivers/media/tuners/mt2266.c
+++ b/drivers/media/tuners/mt2266.c
@@ -296,11 +296,10 @@ static int mt2266_sleep(struct dvb_frontend *fe)
 	return 0;
 }
 
-static int mt2266_release(struct dvb_frontend *fe)
+static void mt2266_release(struct dvb_frontend *fe)
 {
 	kfree(fe->tuner_priv);
 	fe->tuner_priv = NULL;
-	return 0;
 }
 
 static const struct dvb_tuner_ops mt2266_tuner_ops = {
diff --git a/drivers/media/tuners/mxl5005s.c b/drivers/media/tuners/mxl5005s.c
index 92a3be4fde87..353744fee053 100644
--- a/drivers/media/tuners/mxl5005s.c
+++ b/drivers/media/tuners/mxl5005s.c
@@ -4063,12 +4063,11 @@ static int mxl5005s_get_if_frequency(struct dvb_frontend *fe, u32 *frequency)
 	return 0;
 }
 
-static int mxl5005s_release(struct dvb_frontend *fe)
+static void mxl5005s_release(struct dvb_frontend *fe)
 {
 	dprintk(1, "%s()\n", __func__);
 	kfree(fe->tuner_priv);
 	fe->tuner_priv = NULL;
-	return 0;
 }
 
 static const struct dvb_tuner_ops mxl5005s_tuner_ops = {
diff --git a/drivers/media/tuners/mxl5007t.c b/drivers/media/tuners/mxl5007t.c
index 42569c6811e6..b16dfa5e85fb 100644
--- a/drivers/media/tuners/mxl5007t.c
+++ b/drivers/media/tuners/mxl5007t.c
@@ -776,7 +776,7 @@ static int mxl5007t_get_if_frequency(struct dvb_frontend *fe, u32 *frequency)
 	return 0;
 }
 
-static int mxl5007t_release(struct dvb_frontend *fe)
+static void mxl5007t_release(struct dvb_frontend *fe)
 {
 	struct mxl5007t_state *state = fe->tuner_priv;
 
@@ -788,8 +788,6 @@ static int mxl5007t_release(struct dvb_frontend *fe)
 	mutex_unlock(&mxl5007t_list_mutex);
 
 	fe->tuner_priv = NULL;
-
-	return 0;
 }
 
 /* ------------------------------------------------------------------------- */
diff --git a/drivers/media/tuners/qt1010.c b/drivers/media/tuners/qt1010.c
index ae8cbece6d2b..a2c6cd1c3923 100644
--- a/drivers/media/tuners/qt1010.c
+++ b/drivers/media/tuners/qt1010.c
@@ -377,11 +377,10 @@ static int qt1010_init(struct dvb_frontend *fe)
 	return qt1010_set_params(fe);
 }
 
-static int qt1010_release(struct dvb_frontend *fe)
+static void qt1010_release(struct dvb_frontend *fe)
 {
 	kfree(fe->tuner_priv);
 	fe->tuner_priv = NULL;
-	return 0;
 }
 
 static int qt1010_get_frequency(struct dvb_frontend *fe, u32 *frequency)
diff --git a/drivers/media/tuners/r820t.c b/drivers/media/tuners/r820t.c
index 08dca40356d2..ba80376a3b86 100644
--- a/drivers/media/tuners/r820t.c
+++ b/drivers/media/tuners/r820t.c
@@ -2286,7 +2286,7 @@ static int r820t_get_if_frequency(struct dvb_frontend *fe, u32 *frequency)
 	return 0;
 }
 
-static int r820t_release(struct dvb_frontend *fe)
+static void r820t_release(struct dvb_frontend *fe)
 {
 	struct r820t_priv *priv = fe->tuner_priv;
 
@@ -2300,8 +2300,6 @@ static int r820t_release(struct dvb_frontend *fe)
 	mutex_unlock(&r820t_list_mutex);
 
 	fe->tuner_priv = NULL;
-
-	return 0;
 }
 
 static const struct dvb_tuner_ops r820t_tuner_ops = {
diff --git a/drivers/media/tuners/tda18218.c b/drivers/media/tuners/tda18218.c
index 9300e9361e3b..8357a3c08a70 100644
--- a/drivers/media/tuners/tda18218.c
+++ b/drivers/media/tuners/tda18218.c
@@ -265,11 +265,10 @@ static int tda18218_init(struct dvb_frontend *fe)
 	return ret;
 }
 
-static int tda18218_release(struct dvb_frontend *fe)
+static void tda18218_release(struct dvb_frontend *fe)
 {
 	kfree(fe->tuner_priv);
 	fe->tuner_priv = NULL;
-	return 0;
 }
 
 static const struct dvb_tuner_ops tda18218_tuner_ops = {
diff --git a/drivers/media/tuners/tda18271-common.c b/drivers/media/tuners/tda18271-common.c
index a26bb33102b8..7e81cd887c13 100644
--- a/drivers/media/tuners/tda18271-common.c
+++ b/drivers/media/tuners/tda18271-common.c
@@ -251,8 +251,8 @@ static int __tda18271_write_regs(struct dvb_frontend *fe, int idx, int len,
 	}
 
 	if (ret != 1)
-		tda_err("ERROR: idx = 0x%x, len = %d, "
-			"i2c_transfer returned: %d\n", idx, max, ret);
+		tda_err("ERROR: idx = 0x%x, len = %d, i2c_transfer returned: %d\n",
+			idx, max, ret);
 
 	return (ret == 1 ? 0 : ret);
 }
diff --git a/drivers/media/tuners/tda18271-fe.c b/drivers/media/tuners/tda18271-fe.c
index 2d50e8b1dce1..b4e5fa2ff5e5 100644
--- a/drivers/media/tuners/tda18271-fe.c
+++ b/drivers/media/tuners/tda18271-fe.c
@@ -26,8 +26,7 @@
 
 int tda18271_debug;
 module_param_named(debug, tda18271_debug, int, 0644);
-MODULE_PARM_DESC(debug, "set debug level "
-		 "(info=1, map=2, reg=4, adv=8, cal=16 (or-able))");
+MODULE_PARM_DESC(debug, "set debug level (info=1, map=2, reg=4, adv=8, cal=16 (or-able))");
 
 static int tda18271_cal_on_startup = -1;
 module_param_named(cal, tda18271_cal_on_startup, int, 0644);
@@ -1049,7 +1048,7 @@ fail:
 	return ret;
 }
 
-static int tda18271_release(struct dvb_frontend *fe)
+static void tda18271_release(struct dvb_frontend *fe)
 {
 	struct tda18271_priv *priv = fe->tuner_priv;
 
@@ -1061,8 +1060,6 @@ static int tda18271_release(struct dvb_frontend *fe)
 	mutex_unlock(&tda18271_list_mutex);
 
 	fe->tuner_priv = NULL;
-
-	return 0;
 }
 
 static int tda18271_get_frequency(struct dvb_frontend *fe, u32 *frequency)
diff --git a/drivers/media/tuners/tda18271-maps.c b/drivers/media/tuners/tda18271-maps.c
index 1e89dd93c4bb..7d114677b4ca 100644
--- a/drivers/media/tuners/tda18271-maps.c
+++ b/drivers/media/tuners/tda18271-maps.c
@@ -1024,11 +1024,7 @@ int tda18271_lookup_rf_band(struct dvb_frontend *fe, u32 *freq, u8 *rf_band)
 
 	while ((map[i].rfmax * 1000) < *freq) {
 		if (tda18271_debug & DBG_ADV)
-			tda_map("(%d) rfmax = %d < freq = %d, "
-				"rf1_def = %d, rf2_def = %d, rf3_def = %d, "
-				"rf1 = %d, rf2 = %d, rf3 = %d, "
-				"rf_a1 = %d, rf_a2 = %d, "
-				"rf_b1 = %d, rf_b2 = %d\n",
+			tda_map("(%d) rfmax = %d < freq = %d, rf1_def = %d, rf2_def = %d, rf3_def = %d, rf1 = %d, rf2 = %d, rf3 = %d, rf_a1 = %d, rf_a2 = %d, rf_b1 = %d, rf_b2 = %d\n",
 				i, map[i].rfmax * 1000, *freq,
 				map[i].rf1_def, map[i].rf2_def, map[i].rf3_def,
 				map[i].rf1, map[i].rf2, map[i].rf3,
diff --git a/drivers/media/tuners/tda827x.c b/drivers/media/tuners/tda827x.c
index 5050ce9be423..2137eadf30f1 100644
--- a/drivers/media/tuners/tda827x.c
+++ b/drivers/media/tuners/tda827x.c
@@ -767,11 +767,10 @@ static void tda827xa_agcf(struct dvb_frontend *fe)
 
 /* ------------------------------------------------------------------ */
 
-static int tda827x_release(struct dvb_frontend *fe)
+static void tda827x_release(struct dvb_frontend *fe)
 {
 	kfree(fe->tuner_priv);
 	fe->tuner_priv = NULL;
-	return 0;
 }
 
 static int tda827x_get_frequency(struct dvb_frontend *fe, u32 *frequency)
diff --git a/drivers/media/tuners/tda8290.c b/drivers/media/tuners/tda8290.c
index 998e82bba9c0..a59c567c55d6 100644
--- a/drivers/media/tuners/tda8290.c
+++ b/drivers/media/tuners/tda8290.c
@@ -617,8 +617,8 @@ static int tda829x_find_tuner(struct dvb_frontend *fe)
 
 	if (tuner_addrs == 0) {
 		tuner_addrs = 0x60;
-		tuner_info("could not clearly identify tuner address, "
-			   "defaulting to %x\n", tuner_addrs);
+		tuner_info("could not clearly identify tuner address, defaulting to %x\n",
+			   tuner_addrs);
 	} else {
 		tuner_addrs = tuner_addrs & 0xff;
 		tuner_info("setting tuner address to %x\n", tuner_addrs);
@@ -721,7 +721,7 @@ static int tda8295_probe(struct tuner_i2c_props *i2c_props)
 	return -ENODEV;
 }
 
-static struct analog_demod_ops tda8290_ops = {
+static const struct analog_demod_ops tda8290_ops = {
 	.set_params     = tda8290_set_params,
 	.has_signal     = tda8290_has_signal,
 	.standby        = tda8290_standby,
@@ -729,7 +729,7 @@ static struct analog_demod_ops tda8290_ops = {
 	.i2c_gate_ctrl  = tda8290_i2c_bridge,
 };
 
-static struct analog_demod_ops tda8295_ops = {
+static const struct analog_demod_ops tda8295_ops = {
 	.set_params     = tda8295_set_params,
 	.has_signal     = tda8295_has_signal,
 	.standby        = tda8295_standby,
diff --git a/drivers/media/tuners/tda9887.c b/drivers/media/tuners/tda9887.c
index 56be6c29399b..c0e815f8b951 100644
--- a/drivers/media/tuners/tda9887.c
+++ b/drivers/media/tuners/tda9887.c
@@ -659,7 +659,7 @@ static void tda9887_release(struct dvb_frontend *fe)
 	fe->analog_demod_priv = NULL;
 }
 
-static struct analog_demod_ops tda9887_ops = {
+static const struct analog_demod_ops tda9887_ops = {
 	.info		= {
 		.name	= "tda9887",
 	},
diff --git a/drivers/media/tuners/tea5761.c b/drivers/media/tuners/tea5761.c
index 36b0b1e1d05b..a9b1bb134409 100644
--- a/drivers/media/tuners/tea5761.c
+++ b/drivers/media/tuners/tea5761.c
@@ -274,24 +274,20 @@ int tea5761_autodetection(struct i2c_adapter* i2c_adap, u8 i2c_addr)
 	}
 
 	if ((buffer[13] != 0x2b) || (buffer[14] != 0x57) || (buffer[15] != 0x061)) {
-		printk(KERN_WARNING "Manufacturer ID= 0x%02x, Chip ID = %02x%02x."
-				    " It is not a TEA5761\n",
+		printk(KERN_WARNING "Manufacturer ID= 0x%02x, Chip ID = %02x%02x. It is not a TEA5761\n",
 				    buffer[13], buffer[14], buffer[15]);
 		return -EINVAL;
 	}
-	printk(KERN_WARNING "tea5761: TEA%02x%02x detected. "
-			    "Manufacturer ID= 0x%02x\n",
+	printk(KERN_WARNING "tea5761: TEA%02x%02x detected. Manufacturer ID= 0x%02x\n",
 			    buffer[14], buffer[15], buffer[13]);
 
 	return 0;
 }
 
-static int tea5761_release(struct dvb_frontend *fe)
+static void tea5761_release(struct dvb_frontend *fe)
 {
 	kfree(fe->tuner_priv);
 	fe->tuner_priv = NULL;
-
-	return 0;
 }
 
 static int tea5761_get_frequency(struct dvb_frontend *fe, u32 *frequency)
diff --git a/drivers/media/tuners/tea5767.c b/drivers/media/tuners/tea5767.c
index d62a6d6b1f42..525b7ab90c80 100644
--- a/drivers/media/tuners/tea5767.c
+++ b/drivers/media/tuners/tea5767.c
@@ -401,12 +401,10 @@ int tea5767_autodetection(struct i2c_adapter* i2c_adap, u8 i2c_addr)
 	return 0;
 }
 
-static int tea5767_release(struct dvb_frontend *fe)
+static void tea5767_release(struct dvb_frontend *fe)
 {
 	kfree(fe->tuner_priv);
 	fe->tuner_priv = NULL;
-
-	return 0;
 }
 
 static int tea5767_get_frequency(struct dvb_frontend *fe, u32 *frequency)
diff --git a/drivers/media/tuners/tuner-simple.c b/drivers/media/tuners/tuner-simple.c
index 9ba9582e7765..3339b13dd3f5 100644
--- a/drivers/media/tuners/tuner-simple.c
+++ b/drivers/media/tuners/tuner-simple.c
@@ -275,8 +275,7 @@ static int simple_config_lookup(struct dvb_frontend *fe,
 	*config = t_params->ranges[i].config;
 	*cb     = t_params->ranges[i].cb;
 
-	tuner_dbg("freq = %d.%02d (%d), range = %d, "
-		  "config = 0x%02x, cb = 0x%02x\n",
+	tuner_dbg("freq = %d.%02d (%d), range = %d, config = 0x%02x, cb = 0x%02x\n",
 		  *frequency / 16, *frequency % 16 * 100 / 16, *frequency,
 		  i, *config, *cb);
 
@@ -404,12 +403,12 @@ static int simple_std_setup(struct dvb_frontend *fe,
 		i2c.addr = 0x0a;
 		rc = tuner_i2c_xfer_send(&i2c, &buffer[0], 2);
 		if (2 != rc)
-			tuner_warn("i2c i/o error: rc == %d "
-				   "(should be 2)\n", rc);
+			tuner_warn("i2c i/o error: rc == %d (should be 2)\n",
+				   rc);
 		rc = tuner_i2c_xfer_send(&i2c, &buffer[2], 2);
 		if (2 != rc)
-			tuner_warn("i2c i/o error: rc == %d "
-				   "(should be 2)\n", rc);
+			tuner_warn("i2c i/o error: rc == %d (should be 2)\n",
+				   rc);
 		break;
 	}
 	}
@@ -463,8 +462,8 @@ static int simple_post_tune(struct dvb_frontend *fe, u8 *buffer,
 			rc = tuner_i2c_xfer_recv(&priv->i2c_props,
 						 &status_byte, 1);
 			if (1 != rc) {
-				tuner_warn("i2c i/o read error: rc == %d "
-					   "(should be 1)\n", rc);
+				tuner_warn("i2c i/o read error: rc == %d (should be 1)\n",
+					   rc);
 				break;
 			}
 			if (status_byte & TUNER_PLL_LOCKED)
@@ -483,8 +482,8 @@ static int simple_post_tune(struct dvb_frontend *fe, u8 *buffer,
 
 		rc = tuner_i2c_xfer_send(&priv->i2c_props, buffer, 4);
 		if (4 != rc)
-			tuner_warn("i2c i/o error: rc == %d "
-				   "(should be 4)\n", rc);
+			tuner_warn("i2c i/o error: rc == %d (should be 4)\n",
+				   rc);
 		break;
 	}
 	}
@@ -499,8 +498,7 @@ static int simple_radio_bandswitch(struct dvb_frontend *fe, u8 *buffer)
 	switch (priv->type) {
 	case TUNER_TENA_9533_DI:
 	case TUNER_YMEC_TVF_5533MF:
-		tuner_dbg("This tuner doesn't have FM. "
-			  "Most cards have a TEA5767 for FM\n");
+		tuner_dbg("This tuner doesn't have FM. Most cards have a TEA5767 for FM\n");
 		return 0;
 	case TUNER_PHILIPS_FM1216ME_MK3:
 	case TUNER_PHILIPS_FM1236_MK3:
@@ -586,8 +584,7 @@ static int simple_set_tv_freq(struct dvb_frontend *fe,
 
 	div = params->frequency + IFPCoff + offset;
 
-	tuner_dbg("Freq= %d.%02d MHz, V_IF=%d.%02d MHz, "
-		  "Offset=%d.%02d MHz, div=%0d\n",
+	tuner_dbg("Freq= %d.%02d MHz, V_IF=%d.%02d MHz, Offset=%d.%02d MHz, div=%0d\n",
 		  params->frequency / 16, params->frequency % 16 * 100 / 16,
 		  IFPCoff / 16, IFPCoff % 16 * 100 / 16,
 		  offset / 16, offset % 16 * 100 / 16, div);
@@ -858,8 +855,7 @@ static u32 simple_dvb_configure(struct dvb_frontend *fe, u8 *buf,
 	if (!tun->stepsize) {
 		/* tuner-core was loaded before the digital tuner was
 		 * configured and somehow picked the wrong tuner type */
-		tuner_err("attempt to treat tuner %d (%s) as digital tuner "
-			  "without stepsize defined.\n",
+		tuner_err("attempt to treat tuner %d (%s) as digital tuner without stepsize defined.\n",
 			  priv->type, priv->tun->name);
 		return 0; /* failure */
 	}
@@ -1005,7 +1001,7 @@ static int simple_sleep(struct dvb_frontend *fe)
 	return 0;
 }
 
-static int simple_release(struct dvb_frontend *fe)
+static void simple_release(struct dvb_frontend *fe)
 {
 	struct tuner_simple_priv *priv = fe->tuner_priv;
 
@@ -1017,8 +1013,6 @@ static int simple_release(struct dvb_frontend *fe)
 	mutex_unlock(&tuner_simple_list_mutex);
 
 	fe->tuner_priv = NULL;
-
-	return 0;
 }
 
 static int simple_get_frequency(struct dvb_frontend *fe, u32 *frequency)
@@ -1077,8 +1071,7 @@ struct dvb_frontend *simple_tuner_attach(struct dvb_frontend *fe,
 			fe->ops.i2c_gate_ctrl(fe, 1);
 
 		if (1 != i2c_transfer(i2c_adap, &msg, 1))
-			printk(KERN_WARNING "tuner-simple %d-%04x: "
-			       "unable to probe %s, proceeding anyway.",
+			printk(KERN_WARNING "tuner-simple %d-%04x: unable to probe %s, proceeding anyway.",
 			       i2c_adapter_id(i2c_adap), i2c_addr,
 			       tuners[type].name);
 
@@ -1123,18 +1116,16 @@ struct dvb_frontend *simple_tuner_attach(struct dvb_frontend *fe,
 	if ((debug) || ((atv_input[priv->nr] > 0) ||
 			(dtv_input[priv->nr] > 0))) {
 		if (0 == atv_input[priv->nr])
-			tuner_info("tuner %d atv rf input will be "
-				   "autoselected\n", priv->nr);
+			tuner_info("tuner %d atv rf input will be autoselected\n",
+				   priv->nr);
 		else
-			tuner_info("tuner %d atv rf input will be "
-				   "set to input %d (insmod option)\n",
+			tuner_info("tuner %d atv rf input will be set to input %d (insmod option)\n",
 				   priv->nr, atv_input[priv->nr]);
 		if (0 == dtv_input[priv->nr])
-			tuner_info("tuner %d dtv rf input will be "
-				   "autoselected\n", priv->nr);
+			tuner_info("tuner %d dtv rf input will be autoselected\n",
+				   priv->nr);
 		else
-			tuner_info("tuner %d dtv rf input will be "
-				   "set to input %d (insmod option)\n",
+			tuner_info("tuner %d dtv rf input will be set to input %d (insmod option)\n",
 				   priv->nr, dtv_input[priv->nr]);
 	}
 
diff --git a/drivers/media/tuners/tuner-xc2028.c b/drivers/media/tuners/tuner-xc2028.c
index 8d96a22647b3..b5b62b08159e 100644
--- a/drivers/media/tuners/tuner-xc2028.c
+++ b/drivers/media/tuners/tuner-xc2028.c
@@ -56,8 +56,7 @@ MODULE_PARM_DESC(no_poweroff, "0 (default) powers device off when not used.\n"
 static char audio_std[8];
 module_param_string(audio_std, audio_std, sizeof(audio_std), 0);
 MODULE_PARM_DESC(audio_std,
-	"Audio standard. XC3028 audio decoder explicitly "
-	"needs to know what audio\n"
+	"Audio standard. XC3028 audio decoder explicitly needs to know what audio\n"
 	"standard is needed for some video standards with audio A2 or NICAM.\n"
 	"The valid values are:\n"
 	"A2\n"
@@ -69,8 +68,8 @@ MODULE_PARM_DESC(audio_std,
 
 static char firmware_name[30];
 module_param_string(firmware_name, firmware_name, sizeof(firmware_name), 0);
-MODULE_PARM_DESC(firmware_name, "Firmware file name. Allows overriding the "
-				"default firmware name\n");
+MODULE_PARM_DESC(firmware_name,
+		 "Firmware file name. Allows overriding the default firmware name\n");
 
 static LIST_HEAD(hybrid_tuner_instance_list);
 static DEFINE_MUTEX(xc2028_list_mutex);
@@ -179,67 +178,67 @@ static int xc2028_get_reg(struct xc2028_data *priv, u16 reg, u16 *val)
 static void dump_firm_type_and_int_freq(unsigned int type, u16 int_freq)
 {
 	if (type & BASE)
-		printk("BASE ");
+		printk(KERN_CONT "BASE ");
 	if (type & INIT1)
-		printk("INIT1 ");
+		printk(KERN_CONT "INIT1 ");
 	if (type & F8MHZ)
-		printk("F8MHZ ");
+		printk(KERN_CONT "F8MHZ ");
 	if (type & MTS)
-		printk("MTS ");
+		printk(KERN_CONT "MTS ");
 	if (type & D2620)
-		printk("D2620 ");
+		printk(KERN_CONT "D2620 ");
 	if (type & D2633)
-		printk("D2633 ");
+		printk(KERN_CONT "D2633 ");
 	if (type & DTV6)
-		printk("DTV6 ");
+		printk(KERN_CONT "DTV6 ");
 	if (type & QAM)
-		printk("QAM ");
+		printk(KERN_CONT "QAM ");
 	if (type & DTV7)
-		printk("DTV7 ");
+		printk(KERN_CONT "DTV7 ");
 	if (type & DTV78)
-		printk("DTV78 ");
+		printk(KERN_CONT "DTV78 ");
 	if (type & DTV8)
-		printk("DTV8 ");
+		printk(KERN_CONT "DTV8 ");
 	if (type & FM)
-		printk("FM ");
+		printk(KERN_CONT "FM ");
 	if (type & INPUT1)
-		printk("INPUT1 ");
+		printk(KERN_CONT "INPUT1 ");
 	if (type & LCD)
-		printk("LCD ");
+		printk(KERN_CONT "LCD ");
 	if (type & NOGD)
-		printk("NOGD ");
+		printk(KERN_CONT "NOGD ");
 	if (type & MONO)
-		printk("MONO ");
+		printk(KERN_CONT "MONO ");
 	if (type & ATSC)
-		printk("ATSC ");
+		printk(KERN_CONT "ATSC ");
 	if (type & IF)
-		printk("IF ");
+		printk(KERN_CONT "IF ");
 	if (type & LG60)
-		printk("LG60 ");
+		printk(KERN_CONT "LG60 ");
 	if (type & ATI638)
-		printk("ATI638 ");
+		printk(KERN_CONT "ATI638 ");
 	if (type & OREN538)
-		printk("OREN538 ");
+		printk(KERN_CONT "OREN538 ");
 	if (type & OREN36)
-		printk("OREN36 ");
+		printk(KERN_CONT "OREN36 ");
 	if (type & TOYOTA388)
-		printk("TOYOTA388 ");
+		printk(KERN_CONT "TOYOTA388 ");
 	if (type & TOYOTA794)
-		printk("TOYOTA794 ");
+		printk(KERN_CONT "TOYOTA794 ");
 	if (type & DIBCOM52)
-		printk("DIBCOM52 ");
+		printk(KERN_CONT "DIBCOM52 ");
 	if (type & ZARLINK456)
-		printk("ZARLINK456 ");
+		printk(KERN_CONT "ZARLINK456 ");
 	if (type & CHINA)
-		printk("CHINA ");
+		printk(KERN_CONT "CHINA ");
 	if (type & F6MHZ)
-		printk("F6MHZ ");
+		printk(KERN_CONT "F6MHZ ");
 	if (type & INPUT2)
-		printk("INPUT2 ");
+		printk(KERN_CONT "INPUT2 ");
 	if (type & SCODE)
-		printk("SCODE ");
+		printk(KERN_CONT "SCODE ");
 	if (type & HAS_IF)
-		printk("HAS_IF_%d ", int_freq);
+		printk(KERN_CONT "HAS_IF_%d ", int_freq);
 }
 
 static  v4l2_std_id parse_audio_std_option(void)
@@ -351,8 +350,7 @@ static int load_all_firmwares(struct dvb_frontend *fe,
 
 		n++;
 		if (n >= n_array) {
-			tuner_err("More firmware images in file than "
-				  "were expected!\n");
+			tuner_err("More firmware images in file than were expected!\n");
 			goto corrupt;
 		}
 
@@ -379,8 +377,8 @@ static int load_all_firmwares(struct dvb_frontend *fe,
 		if (!size || size > endp - p) {
 			tuner_err("Firmware type ");
 			dump_firm_type(type);
-			printk("(%x), id %llx is corrupted "
-			       "(size=%d, expected %d)\n",
+			printk(KERN_CONT
+			       "(%x), id %llx is corrupted (size=%d, expected %d)\n",
 			       type, (unsigned long long)id,
 			       (unsigned)(endp - p), size);
 			goto corrupt;
@@ -395,7 +393,7 @@ static int load_all_firmwares(struct dvb_frontend *fe,
 		tuner_dbg("Reading firmware type ");
 		if (debug) {
 			dump_firm_type_and_int_freq(type, int_freq);
-			printk("(%x), id %llx, size=%d.\n",
+			printk(KERN_CONT "(%x), id %llx, size=%d.\n",
 			       type, (unsigned long long)id, size);
 		}
 
@@ -444,7 +442,8 @@ static int seek_firmware(struct dvb_frontend *fe, unsigned int type,
 	tuner_dbg("%s called, want type=", __func__);
 	if (debug) {
 		dump_firm_type(type);
-		printk("(%x), id %016llx.\n", type, (unsigned long long)*id);
+		printk(KERN_CONT "(%x), id %016llx.\n",
+		       type, (unsigned long long)*id);
 	}
 
 	if (!priv->firm) {
@@ -500,10 +499,11 @@ static int seek_firmware(struct dvb_frontend *fe, unsigned int type,
 	}
 
 	if (best_nr_matches > 0) {
-		tuner_dbg("Selecting best matching firmware (%d bits) for "
-			  "type=", best_nr_matches);
+		tuner_dbg("Selecting best matching firmware (%d bits) for type=",
+			  best_nr_matches);
 		dump_firm_type(type);
-		printk("(%x), id %016llx:\n", type, (unsigned long long)*id);
+		printk(KERN_CONT
+		       "(%x), id %016llx:\n", type, (unsigned long long)*id);
 		i = best_i;
 		goto found;
 	}
@@ -520,7 +520,8 @@ ret:
 	tuner_dbg("%s firmware for type=", (i < 0) ? "Can't find" : "Found");
 	if (debug) {
 		dump_firm_type(type);
-		printk("(%x), id %016llx.\n", type, (unsigned long long)*id);
+		printk(KERN_CONT "(%x), id %016llx.\n",
+		       type, (unsigned long long)*id);
 	}
 	return i;
 }
@@ -560,8 +561,8 @@ static int load_firmware(struct dvb_frontend *fe, unsigned int type,
 
 	tuner_info("Loading firmware for type=");
 	dump_firm_type(priv->firm[pos].type);
-	printk("(%x), id %016llx.\n", priv->firm[pos].type,
-	       (unsigned long long)*id);
+	printk(KERN_CONT "(%x), id %016llx.\n",
+	       priv->firm[pos].type, (unsigned long long)*id);
 
 	p = priv->firm[pos].ptr;
 	endp = p + priv->firm[pos].size;
@@ -694,7 +695,7 @@ static int load_scode(struct dvb_frontend *fe, unsigned int type,
 	tuner_info("Loading SCODE for type=");
 	dump_firm_type_and_int_freq(priv->firm[pos].type,
 				    priv->firm[pos].int_freq);
-	printk("(%x), id %016llx.\n", priv->firm[pos].type,
+	printk(KERN_CONT "(%x), id %016llx.\n", priv->firm[pos].type,
 	       (unsigned long long)*id);
 
 	if (priv->firm_version < 0x0202)
@@ -746,15 +747,15 @@ retry:
 	tuner_dbg("checking firmware, user requested type=");
 	if (debug) {
 		dump_firm_type(new_fw.type);
-		printk("(%x), id %016llx, ", new_fw.type,
+		printk(KERN_CONT "(%x), id %016llx, ", new_fw.type,
 		       (unsigned long long)new_fw.std_req);
 		if (!int_freq) {
-			printk("scode_tbl ");
+			printk(KERN_CONT "scode_tbl ");
 			dump_firm_type(priv->ctrl.scode_table);
-			printk("(%x), ", priv->ctrl.scode_table);
+			printk(KERN_CONT "(%x), ", priv->ctrl.scode_table);
 		} else
-			printk("int_freq %d, ", new_fw.int_freq);
-		printk("scode_nr %d\n", new_fw.scode_nr);
+			printk(KERN_CONT "int_freq %d, ", new_fw.int_freq);
+		printk(KERN_CONT "scode_nr %d\n", new_fw.scode_nr);
 	}
 
 	/*
@@ -842,8 +843,7 @@ check_device:
 		goto fail;
 	}
 
-	tuner_dbg("Device is Xceive %d version %d.%d, "
-		  "firmware version %d.%d\n",
+	tuner_dbg("Device is Xceive %d version %d.%d, firmware version %d.%d\n",
 		  hwmodel, (version & 0xf000) >> 12, (version & 0xf00) >> 8,
 		  (version & 0xf0) >> 4, version & 0xf);
 
@@ -857,8 +857,7 @@ check_device:
 			tuner_err("Incorrect readback of firmware version.\n");
 			goto fail;
 		} else {
-			tuner_err("Returned an incorrect version. However, "
-				  "read is not reliable enough. Ignoring it.\n");
+			tuner_err("Returned an incorrect version. However, read is not reliable enough. Ignoring it.\n");
 			hwmodel = 3028;
 		}
 	}
@@ -869,8 +868,7 @@ check_device:
 		priv->hwvers  = version & 0xff00;
 	} else if (priv->hwmodel == 0 || priv->hwmodel != hwmodel ||
 		   priv->hwvers != (version & 0xff00)) {
-		tuner_err("Read invalid device hardware information - tuner "
-			  "hung?\n");
+		tuner_err("Read invalid device hardware information - tuner hung?\n");
 		goto fail;
 	}
 
@@ -1327,7 +1325,7 @@ static int xc2028_sleep(struct dvb_frontend *fe)
 	return rc;
 }
 
-static int xc2028_dvb_release(struct dvb_frontend *fe)
+static void xc2028_dvb_release(struct dvb_frontend *fe)
 {
 	struct xc2028_data *priv = fe->tuner_priv;
 
@@ -1345,8 +1343,6 @@ static int xc2028_dvb_release(struct dvb_frontend *fe)
 	mutex_unlock(&xc2028_list_mutex);
 
 	fe->tuner_priv = NULL;
-
-	return 0;
 }
 
 static int xc2028_get_frequency(struct dvb_frontend *fe, u32 *frequency)
diff --git a/drivers/media/tuners/xc4000.c b/drivers/media/tuners/xc4000.c
index d95c7e082ccf..03eef9b87a24 100644
--- a/drivers/media/tuners/xc4000.c
+++ b/drivers/media/tuners/xc4000.c
@@ -43,14 +43,11 @@ MODULE_PARM_DESC(debug, "Debugging level (0 to 2, default: 0 (off)).");
 
 static int no_poweroff;
 module_param(no_poweroff, int, 0644);
-MODULE_PARM_DESC(no_poweroff, "Power management (1: disabled, 2: enabled, "
-	"0 (default): use device-specific default mode).");
+MODULE_PARM_DESC(no_poweroff, "Power management (1: disabled, 2: enabled, 0 (default): use device-specific default mode).");
 
 static int audio_std;
 module_param(audio_std, int, 0644);
-MODULE_PARM_DESC(audio_std, "Audio standard. XC4000 audio decoder explicitly "
-	"needs to know what audio standard is needed for some video standards "
-	"with audio A2 or NICAM. The valid settings are a sum of:\n"
+MODULE_PARM_DESC(audio_std, "Audio standard. XC4000 audio decoder explicitly needs to know what audio standard is needed for some video standards with audio A2 or NICAM. The valid settings are a sum of:\n"
 	" 1: use NICAM/B or A2/B instead of NICAM/A or A2/A\n"
 	" 2: use A2 instead of NICAM or BTSC\n"
 	" 4: use SECAM/K3 instead of K1\n"
@@ -60,8 +57,7 @@ MODULE_PARM_DESC(audio_std, "Audio standard. XC4000 audio decoder explicitly "
 
 static char firmware_name[30];
 module_param_string(firmware_name, firmware_name, sizeof(firmware_name), 0);
-MODULE_PARM_DESC(firmware_name, "Firmware file name. Allows overriding the "
-	"default firmware name.");
+MODULE_PARM_DESC(firmware_name, "Firmware file name. Allows overriding the default firmware name.");
 
 static DEFINE_MUTEX(xc4000_list_mutex);
 static LIST_HEAD(hybrid_tuner_instance_list);
@@ -290,8 +286,7 @@ static int xc4000_tuner_reset(struct dvb_frontend *fe)
 			return -EREMOTEIO;
 		}
 	} else {
-		printk(KERN_ERR "xc4000: no tuner reset callback function, "
-				"fatal\n");
+		printk(KERN_ERR "xc4000: no tuner reset callback function, fatal\n");
 		return -EINVAL;
 	}
 	return 0;
@@ -679,8 +674,7 @@ static int seek_firmware(struct dvb_frontend *fe, unsigned int type,
 
 	if (best_nr_diffs > 0U) {
 		printk(KERN_WARNING
-		       "Selecting best matching firmware (%u bits differ) for "
-		       "type=(%x), id %016llx:\n",
+		       "Selecting best matching firmware (%u bits differ) for type=(%x), id %016llx:\n",
 		       best_nr_diffs, type, (unsigned long long)*id);
 		i = best_i;
 	}
@@ -800,8 +794,7 @@ static int xc4000_fwupload(struct dvb_frontend *fe)
 
 		n++;
 		if (n >= n_array) {
-			printk(KERN_ERR "More firmware images in file than "
-			       "were expected!\n");
+			printk(KERN_ERR "More firmware images in file than were expected!\n");
 			goto corrupt;
 		}
 
@@ -1055,8 +1048,7 @@ check_device:
 		goto fail;
 	}
 
-	dprintk(1, "Device is Xceive %d version %d.%d, "
-		"firmware version %d.%d\n",
+	dprintk(1, "Device is Xceive %d version %d.%d, firmware version %d.%d\n",
 		hwmodel, hw_major, hw_minor, fw_major, fw_minor);
 
 	/* Check firmware version against what we downloaded. */
@@ -1076,8 +1068,7 @@ check_device:
 	} else if (priv->hwmodel == 0 || priv->hwmodel != hwmodel ||
 		   priv->hwvers != ((hw_major << 8) | hw_minor)) {
 		printk(KERN_WARNING
-		       "Read invalid device hardware information - tuner "
-		       "hung?\n");
+		       "Read invalid device hardware information - tuner hung?\n");
 		goto fail;
 	}
 
@@ -1627,7 +1618,7 @@ static int xc4000_init(struct dvb_frontend *fe)
 	return 0;
 }
 
-static int xc4000_release(struct dvb_frontend *fe)
+static void xc4000_release(struct dvb_frontend *fe)
 {
 	struct xc4000_priv *priv = fe->tuner_priv;
 
@@ -1641,8 +1632,6 @@ static int xc4000_release(struct dvb_frontend *fe)
 	mutex_unlock(&xc4000_list_mutex);
 
 	fe->tuner_priv = NULL;
-
-	return 0;
 }
 
 static const struct dvb_tuner_ops xc4000_tuner_ops = {
diff --git a/drivers/media/tuners/xc5000.c b/drivers/media/tuners/xc5000.c
index e6e5e90d8d95..796e7638b3b2 100644
--- a/drivers/media/tuners/xc5000.c
+++ b/drivers/media/tuners/xc5000.c
@@ -1326,7 +1326,7 @@ static int xc5000_init(struct dvb_frontend *fe)
 	return 0;
 }
 
-static int xc5000_release(struct dvb_frontend *fe)
+static void xc5000_release(struct dvb_frontend *fe)
 {
 	struct xc5000_priv *priv = fe->tuner_priv;
 
@@ -1346,8 +1346,6 @@ static int xc5000_release(struct dvb_frontend *fe)
 	mutex_unlock(&xc5000_list_mutex);
 
 	fe->tuner_priv = NULL;
-
-	return 0;
 }
 
 static int xc5000_set_config(struct dvb_frontend *fe, void *priv_cfg)
diff --git a/drivers/media/usb/Kconfig b/drivers/media/usb/Kconfig
index 7496f332f3f5..c9644b62f91a 100644
--- a/drivers/media/usb/Kconfig
+++ b/drivers/media/usb/Kconfig
@@ -60,5 +60,10 @@ source "drivers/media/usb/hackrf/Kconfig"
 source "drivers/media/usb/msi2500/Kconfig"
 endif
 
+if MEDIA_CEC_SUPPORT
+	comment "USB HDMI CEC adapters"
+source "drivers/media/usb/pulse8-cec/Kconfig"
+endif
+
 endif #MEDIA_USB_SUPPORT
 endif #USB
diff --git a/drivers/media/usb/Makefile b/drivers/media/usb/Makefile
index 8874ba774a34..0f15e3351ddc 100644
--- a/drivers/media/usb/Makefile
+++ b/drivers/media/usb/Makefile
@@ -24,3 +24,4 @@ obj-$(CONFIG_VIDEO_EM28XX) += em28xx/
 obj-$(CONFIG_VIDEO_USBTV) += usbtv/
 obj-$(CONFIG_VIDEO_GO7007) += go7007/
 obj-$(CONFIG_DVB_AS102) += as102/
+obj-$(CONFIG_USB_PULSE8_CEC) += pulse8-cec/
diff --git a/drivers/media/usb/au0828/au0828-video.c b/drivers/media/usb/au0828/au0828-video.c
index 85dd9a8e83ff..7a10eaa38f67 100644
--- a/drivers/media/usb/au0828/au0828-video.c
+++ b/drivers/media/usb/au0828/au0828-video.c
@@ -253,8 +253,7 @@ static int au0828_init_isoc(struct au0828_dev *dev, int max_packets,
 		dev->isoc_ctl.transfer_buffer[i] = usb_alloc_coherent(dev->usbdev,
 			sb_size, GFP_KERNEL, &urb->transfer_dma);
 		if (!dev->isoc_ctl.transfer_buffer[i]) {
-			printk("unable to allocate %i bytes for transfer"
-					" buffer %i%s\n",
+			printk("unable to allocate %i bytes for transfer buffer %i%s\n",
 					sb_size, i,
 					in_interrupt() ? " while in int" : "");
 			au0828_uninit_isoc(dev);
diff --git a/drivers/media/usb/b2c2/flexcop-usb.c b/drivers/media/usb/b2c2/flexcop-usb.c
index 52bc42da8a4c..788c73803138 100644
--- a/drivers/media/usb/b2c2/flexcop-usb.c
+++ b/drivers/media/usb/b2c2/flexcop-usb.c
@@ -33,8 +33,7 @@
 
 static int debug;
 module_param(debug, int, 0644);
-MODULE_PARM_DESC(debug, "set debugging level (1=info,ts=2,"
-		"ctrl=4,i2c=8,v8mem=16 (or-able))." DEBSTATUS);
+MODULE_PARM_DESC(debug, "set debugging level (1=info,ts=2,ctrl=4,i2c=8,v8mem=16 (or-able))." DEBSTATUS);
 #undef DEBSTATUS
 
 #define deb_info(args...) dprintk(0x01, args)
@@ -433,8 +432,8 @@ static int flexcop_usb_transfer_init(struct flexcop_usb *fc_usb)
 		frame_size, i, j, ret;
 	int buffer_offset = 0;
 
-	deb_ts("creating %d iso-urbs with %d frames "
-			"each of %d bytes size = %d.\n", B2C2_USB_NUM_ISO_URB,
+	deb_ts("creating %d iso-urbs with %d frames each of %d bytes size = %d.\n",
+	       B2C2_USB_NUM_ISO_URB,
 			B2C2_USB_FRAMES_PER_ISO, frame_size, bufsize);
 
 	fc_usb->iso_buffer = usb_alloc_coherent(fc_usb->udev,
@@ -459,8 +458,8 @@ static int flexcop_usb_transfer_init(struct flexcop_usb *fc_usb)
 	for (i = 0; i < B2C2_USB_NUM_ISO_URB; i++) {
 		int frame_offset = 0;
 		struct urb *urb = fc_usb->iso_urb[i];
-		deb_ts("initializing and submitting urb no. %d "
-			"(buf_offset: %d).\n", i, buffer_offset);
+		deb_ts("initializing and submitting urb no. %d (buf_offset: %d).\n",
+		       i, buffer_offset);
 
 		urb->dev = fc_usb->udev;
 		urb->context = fc_usb;
diff --git a/drivers/media/usb/cpia2/cpia2_usb.c b/drivers/media/usb/cpia2/cpia2_usb.c
index e9100a235831..37f9b30b0abc 100644
--- a/drivers/media/usb/cpia2/cpia2_usb.c
+++ b/drivers/media/usb/cpia2/cpia2_usb.c
@@ -759,9 +759,7 @@ int cpia2_usb_stream_start(struct camera_data *cam, unsigned int alternate)
 		cam->params.camera_state.stream_mode = old_alt;
 		ret2 = set_alternate(cam, USBIF_CMDONLY);
 		if (ret2 < 0) {
-			ERR("cpia2_usb_change_streaming_alternate(%d) =%d has already "
-			    "failed. Then tried to call "
-			    "set_alternate(USBIF_CMDONLY) = %d.\n",
+			ERR("cpia2_usb_change_streaming_alternate(%d) =%d has already failed. Then tried to call set_alternate(USBIF_CMDONLY) = %d.\n",
 			    alternate, ret, ret2);
 		}
 	} else {
diff --git a/drivers/media/usb/cx231xx/cx231xx-core.c b/drivers/media/usb/cx231xx/cx231xx-core.c
index 8b099fe1d592..550ec932f931 100644
--- a/drivers/media/usb/cx231xx/cx231xx-core.c
+++ b/drivers/media/usb/cx231xx/cx231xx-core.c
@@ -241,8 +241,7 @@ static int __usb_control_msg(struct cx231xx *dev, unsigned int pipe,
 	int rc, i;
 
 	if (reg_debug) {
-		printk(KERN_DEBUG "%s: (pipe 0x%08x): "
-				"%s:  %02x %02x %02x %02x %02x %02x %02x %02x ",
+		printk(KERN_DEBUG "%s: (pipe 0x%08x): %s:  %02x %02x %02x %02x %02x %02x %02x %02x ",
 				dev->name,
 				pipe,
 				(requesttype & USB_DIR_IN) ? "IN" : "OUT",
@@ -441,8 +440,7 @@ int cx231xx_write_ctrl_reg(struct cx231xx *dev, u8 req, u16 reg, char *buf,
 	if (reg_debug) {
 		int byte;
 
-		cx231xx_isocdbg("(pipe 0x%08x): "
-			"OUT: %02x %02x %02x %02x %02x %02x %02x %02x >>>",
+		cx231xx_isocdbg("(pipe 0x%08x): OUT: %02x %02x %02x %02x %02x %02x %02x %02x >>>",
 			pipe,
 			USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
 			req, 0, val, reg & 0xff,
@@ -600,8 +598,8 @@ int cx231xx_set_alt_setting(struct cx231xx *dev, u8 index, u8 alt)
 			return -1;
 	}
 
-	cx231xx_coredbg("setting alternate %d with wMaxPacketSize=%u,"
-			"Interface = %d\n", alt, max_pkt_size,
+	cx231xx_coredbg("setting alternate %d with wMaxPacketSize=%u,Interface = %d\n",
+			alt, max_pkt_size,
 			usb_interface_index);
 
 	if (usb_interface_index > 0) {
diff --git a/drivers/media/usb/cx231xx/cx231xx-dvb.c b/drivers/media/usb/cx231xx/cx231xx-dvb.c
index 1417515d30eb..2868546999ca 100644
--- a/drivers/media/usb/cx231xx/cx231xx-dvb.c
+++ b/drivers/media/usb/cx231xx/cx231xx-dvb.c
@@ -377,8 +377,8 @@ static int attach_xc5000(u8 addr, struct cx231xx *dev)
 	cfg.i2c_addr = addr;
 
 	if (!dev->dvb->frontend) {
-		dev_err(dev->dev, "%s/2: dvb frontend not attached. "
-		       "Can't attach xc5000\n", dev->name);
+		dev_err(dev->dev, "%s/2: dvb frontend not attached. Can't attach xc5000\n",
+			dev->name);
 		return -EINVAL;
 	}
 
diff --git a/drivers/media/usb/dvb-usb-v2/af9035.c b/drivers/media/usb/dvb-usb-v2/af9035.c
index 8961dd732522..c673726d9b70 100644
--- a/drivers/media/usb/dvb-usb-v2/af9035.c
+++ b/drivers/media/usb/dvb-usb-v2/af9035.c
@@ -2095,6 +2095,8 @@ static const struct usb_device_id af9035_id_table[] = {
 		&af9035_props, "TerraTec Cinergy T Stick (rev. 2)", NULL) },
 	{ DVB_USB_DEVICE(USB_VID_AVERMEDIA, 0x0337,
 		&af9035_props, "AVerMedia HD Volar (A867)", NULL) },
+       { DVB_USB_DEVICE(USB_VID_GTEK, USB_PID_EVOLVEO_XTRATV_STICK,
+	       &af9035_props, "EVOLVEO XtraTV stick", NULL) },
 
 	/* IT9135 devices */
 	{ DVB_USB_DEVICE(USB_VID_ITETECH, USB_PID_ITETECH_IT9135,
diff --git a/drivers/media/usb/dvb-usb-v2/dvbsky.c b/drivers/media/usb/dvb-usb-v2/dvbsky.c
index 02dbc6c45423..0636eac37bbb 100644
--- a/drivers/media/usb/dvb-usb-v2/dvbsky.c
+++ b/drivers/media/usb/dvb-usb-v2/dvbsky.c
@@ -851,6 +851,10 @@ static const struct usb_device_id dvbsky_id_table[] = {
 		USB_PID_TECHNOTREND_CONNECT_CT2_4650_CI_2,
 		&dvbsky_t680c_props, "TechnoTrend TT-connect CT2-4650 CI v1.1",
 		RC_MAP_TT_1500) },
+	{ DVB_USB_DEVICE(USB_VID_TECHNOTREND,
+		USB_PID_TECHNOTREND_CONNECT_S2_4650_CI,
+		&dvbsky_s960c_props, "TechnoTrend TT-connect S2-4650 CI",
+		RC_MAP_TT_1500) },
 	{ DVB_USB_DEVICE(USB_VID_TERRATEC,
 		USB_PID_TERRATEC_H7_3,
 		&dvbsky_t680c_props, "Terratec H7 Rev.4",
diff --git a/drivers/media/usb/dvb-usb-v2/lmedm04.c b/drivers/media/usb/dvb-usb-v2/lmedm04.c
index 0e8fb89896c4..5fea02672685 100644
--- a/drivers/media/usb/dvb-usb-v2/lmedm04.c
+++ b/drivers/media/usb/dvb-usb-v2/lmedm04.c
@@ -156,21 +156,19 @@ struct lme2510_state {
 static int lme2510_bulk_write(struct usb_device *dev,
 				u8 *snd, int len, u8 pipe)
 {
-	int ret, actual_l;
+	int actual_l;
 
-	ret = usb_bulk_msg(dev, usb_sndbulkpipe(dev, pipe),
-				snd, len , &actual_l, 100);
-	return ret;
+	return usb_bulk_msg(dev, usb_sndbulkpipe(dev, pipe),
+			    snd, len, &actual_l, 100);
 }
 
 static int lme2510_bulk_read(struct usb_device *dev,
 				u8 *rev, int len, u8 pipe)
 {
-	int ret, actual_l;
+	int actual_l;
 
-	ret = usb_bulk_msg(dev, usb_rcvbulkpipe(dev, pipe),
-				 rev, len , &actual_l, 200);
-	return ret;
+	return usb_bulk_msg(dev, usb_rcvbulkpipe(dev, pipe),
+			    rev, len, &actual_l, 200);
 }
 
 static int lme2510_usb_talk(struct dvb_usb_device *d,
diff --git a/drivers/media/usb/dvb-usb-v2/mxl111sf-demod.c b/drivers/media/usb/dvb-usb-v2/mxl111sf-demod.c
index 047a32fe43ea..639e156e0c1b 100644
--- a/drivers/media/usb/dvb-usb-v2/mxl111sf-demod.c
+++ b/drivers/media/usb/dvb-usb-v2/mxl111sf-demod.c
@@ -549,7 +549,7 @@ static void mxl111sf_demod_release(struct dvb_frontend *fe)
 	fe->demodulator_priv = NULL;
 }
 
-static struct dvb_frontend_ops mxl111sf_demod_ops = {
+static const struct dvb_frontend_ops mxl111sf_demod_ops = {
 	.delsys = { SYS_DVBT },
 	.info = {
 		.name               = "MaxLinear MxL111SF DVB-T demodulator",
diff --git a/drivers/media/usb/dvb-usb-v2/mxl111sf-i2c.c b/drivers/media/usb/dvb-usb-v2/mxl111sf-i2c.c
index 283495c84ba3..6427137a09ef 100644
--- a/drivers/media/usb/dvb-usb-v2/mxl111sf-i2c.c
+++ b/drivers/media/usb/dvb-usb-v2/mxl111sf-i2c.c
@@ -666,8 +666,8 @@ static int mxl111sf_i2c_hw_xfer_msg(struct mxl111sf_state *state,
 
 				if (rd_status[i] == 0x04) {
 					if (i < 7) {
-						mxl_i2c("i2c fifo empty!"
-							" @ %d", i);
+						mxl_i2c("i2c fifo empty! @ %d",
+							i);
 						msg->buf[(index*8)+i] =
 							i2c_r_data[(i*3)+1];
 						/* read again */
@@ -692,8 +692,7 @@ static int mxl111sf_i2c_hw_xfer_msg(struct mxl111sf_state *state,
 							}
 							goto stop_copy;
 						} else {
-							mxl_i2c("readagain "
-								"ERROR!");
+							mxl_i2c("readagain ERROR!");
 						}
 					} else {
 						msg->buf[(index*8)+i] =
@@ -827,9 +826,8 @@ int mxl111sf_i2c_xfer(struct i2c_adapter *adap,
 			mxl111sf_i2c_hw_xfer_msg(state, &msg[i]) :
 			mxl111sf_i2c_sw_xfer_msg(state, &msg[i]);
 		if (mxl_fail(ret)) {
-			mxl_debug_adv("failed with error %d on i2c "
-				      "transaction %d of %d, %sing %d bytes "
-				      "to/from 0x%02x", ret, i+1, num,
+			mxl_debug_adv("failed with error %d on i2c transaction %d of %d, %sing %d bytes to/from 0x%02x",
+				      ret, i+1, num,
 				      (msg[i].flags & I2C_M_RD) ?
 				      "read" : "writ",
 				      msg[i].len, msg[i].addr);
diff --git a/drivers/media/usb/dvb-usb-v2/mxl111sf-tuner.c b/drivers/media/usb/dvb-usb-v2/mxl111sf-tuner.c
index f141dcc55cc9..f84bef6034dc 100644
--- a/drivers/media/usb/dvb-usb-v2/mxl111sf-tuner.c
+++ b/drivers/media/usb/dvb-usb-v2/mxl111sf-tuner.c
@@ -455,13 +455,12 @@ static int mxl111sf_tuner_get_if_frequency(struct dvb_frontend *fe,
 	return 0;
 }
 
-static int mxl111sf_tuner_release(struct dvb_frontend *fe)
+static void mxl111sf_tuner_release(struct dvb_frontend *fe)
 {
 	struct mxl111sf_tuner_state *state = fe->tuner_priv;
 	mxl_dbg("()");
 	kfree(state);
 	fe->tuner_priv = NULL;
-	return 0;
 }
 
 /* ------------------------------------------------------------------------- */
diff --git a/drivers/media/usb/dvb-usb-v2/mxl111sf.c b/drivers/media/usb/dvb-usb-v2/mxl111sf.c
index 5d676b533a3a..80c635980526 100644
--- a/drivers/media/usb/dvb-usb-v2/mxl111sf.c
+++ b/drivers/media/usb/dvb-usb-v2/mxl111sf.c
@@ -29,8 +29,7 @@
 
 int dvb_usb_mxl111sf_debug;
 module_param_named(debug, dvb_usb_mxl111sf_debug, int, 0644);
-MODULE_PARM_DESC(debug, "set debugging level "
-		 "(1=info, 2=xfer, 4=i2c, 8=reg, 16=adv (or-able)).");
+MODULE_PARM_DESC(debug, "set debugging level (1=info, 2=xfer, 4=i2c, 8=reg, 16=adv (or-able)).");
 
 static int dvb_usb_mxl111sf_isoc;
 module_param_named(isoc, dvb_usb_mxl111sf_isoc, int, 0644);
@@ -137,8 +136,8 @@ int mxl111sf_write_reg_mask(struct mxl111sf_state *state,
 #if 1
 		/* dont know why this usually errors out on the first try */
 		if (mxl_fail(ret))
-			pr_err("error writing addr: 0x%02x, mask: 0x%02x, "
-			    "data: 0x%02x, retrying...", addr, mask, data);
+			pr_err("error writing addr: 0x%02x, mask: 0x%02x, data: 0x%02x, retrying...",
+			       addr, mask, data);
 
 		ret = mxl111sf_read_reg(state, addr, &val);
 #endif
@@ -946,8 +945,7 @@ static int mxl111sf_init(struct dvb_usb_device *d)
 	case 138001:
 		break;
 	default:
-		printk(KERN_WARNING "%s: warning: "
-		       "unknown hauppauge model #%d\n",
+		printk(KERN_WARNING "%s: warning: unknown hauppauge model #%d\n",
 		       __func__, state->tv.model);
 	}
 #endif
diff --git a/drivers/media/usb/dvb-usb/af9005-fe.c b/drivers/media/usb/dvb-usb/af9005-fe.c
index 09db3d02bd82..9862d3e6b8e8 100644
--- a/drivers/media/usb/dvb-usb/af9005-fe.c
+++ b/drivers/media/usb/dvb-usb/af9005-fe.c
@@ -1430,7 +1430,7 @@ static void af9005_fe_release(struct dvb_frontend *fe)
 	kfree(state);
 }
 
-static struct dvb_frontend_ops af9005_fe_ops;
+static const struct dvb_frontend_ops af9005_fe_ops;
 
 struct dvb_frontend *af9005_fe_attach(struct dvb_usb_device *d)
 {
@@ -1455,7 +1455,7 @@ struct dvb_frontend *af9005_fe_attach(struct dvb_usb_device *d)
 	return NULL;
 }
 
-static struct dvb_frontend_ops af9005_fe_ops = {
+static const struct dvb_frontend_ops af9005_fe_ops = {
 	.delsys = { SYS_DVBT },
 	.info = {
 		 .name = "AF9005 USB DVB-T",
diff --git a/drivers/media/usb/dvb-usb/af9005.c b/drivers/media/usb/dvb-usb/af9005.c
index 7853261906b1..f5f476841aea 100644
--- a/drivers/media/usb/dvb-usb/af9005.c
+++ b/drivers/media/usb/dvb-usb/af9005.c
@@ -826,7 +826,6 @@ static int af9005_frontend_attach(struct dvb_usb_adapter *adap)
 		printk("EEPROM DUMP\n");
 		for (i = 0; i < 255; i += 8) {
 			af9005_read_eeprom(adap->dev, i, buf, 8);
-			printk("ADDR %x ", i);
 			debug_dump(buf, 8, printk);
 		}
 	}
diff --git a/drivers/media/usb/dvb-usb/cinergyT2-core.c b/drivers/media/usb/dvb-usb/cinergyT2-core.c
index 290275bc7fde..6404205560eb 100644
--- a/drivers/media/usb/dvb-usb/cinergyT2-core.c
+++ b/drivers/media/usb/dvb-usb/cinergyT2-core.c
@@ -34,8 +34,7 @@
 int dvb_usb_cinergyt2_debug;
 
 module_param_named(debug, dvb_usb_cinergyt2_debug, int, 0644);
-MODULE_PARM_DESC(debug, "set debugging level (1=info, xfer=2, rc=4 "
-		"(or-able)).");
+MODULE_PARM_DESC(debug, "set debugging level (1=info, xfer=2, rc=4 (or-able)).");
 
 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
 
@@ -93,8 +92,7 @@ static int cinergyt2_frontend_attach(struct dvb_usb_adapter *adap)
 
 	ret = dvb_usb_generic_rw(d, st->data, 1, st->data, 3, 0);
 	if (ret < 0) {
-		deb_rc("cinergyt2_power_ctrl() Failed to retrieve sleep "
-			"state info\n");
+		deb_rc("cinergyt2_power_ctrl() Failed to retrieve sleep state info\n");
 	}
 	mutex_unlock(&d->data_mutex);
 
diff --git a/drivers/media/usb/dvb-usb/cinergyT2-fe.c b/drivers/media/usb/dvb-usb/cinergyT2-fe.c
index 2d29b4174dba..bbb10fab65bc 100644
--- a/drivers/media/usb/dvb-usb/cinergyT2-fe.c
+++ b/drivers/media/usb/dvb-usb/cinergyT2-fe.c
@@ -278,7 +278,7 @@ static void cinergyt2_fe_release(struct dvb_frontend *fe)
 	kfree(state);
 }
 
-static struct dvb_frontend_ops cinergyt2_fe_ops;
+static const struct dvb_frontend_ops cinergyt2_fe_ops;
 
 struct dvb_frontend *cinergyt2_fe_attach(struct dvb_usb_device *d)
 {
@@ -295,7 +295,7 @@ struct dvb_frontend *cinergyt2_fe_attach(struct dvb_usb_device *d)
 }
 
 
-static struct dvb_frontend_ops cinergyt2_fe_ops = {
+static const struct dvb_frontend_ops cinergyt2_fe_ops = {
 	.delsys = { SYS_DVBT },
 	.info = {
 		.name			= DRIVER_NAME,
diff --git a/drivers/media/usb/dvb-usb/cxusb.c b/drivers/media/usb/dvb-usb/cxusb.c
index 243403081fa5..9b8771eb31d4 100644
--- a/drivers/media/usb/dvb-usb/cxusb.c
+++ b/drivers/media/usb/dvb-usb/cxusb.c
@@ -369,6 +369,26 @@ static int cxusb_aver_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff)
 	return 0;
 }
 
+static int cxusb_read_status(struct dvb_frontend *fe,
+				  enum fe_status *status)
+{
+	struct dvb_usb_adapter *adap = (struct dvb_usb_adapter *)fe->dvb->priv;
+	struct cxusb_state *state = (struct cxusb_state *)adap->dev->priv;
+	int ret;
+
+	ret = state->fe_read_status(fe, status);
+
+	/* it need resync slave fifo when signal change from unlock to lock.*/
+	if ((*status & FE_HAS_LOCK) && (!state->last_lock)) {
+		mutex_lock(&state->stream_mutex);
+		cxusb_streaming_ctrl(adap, 1);
+		mutex_unlock(&state->stream_mutex);
+	}
+
+	state->last_lock = (*status & FE_HAS_LOCK) ? 1 : 0;
+	return ret;
+}
+
 static void cxusb_d680_dmb_drain_message(struct dvb_usb_device *d)
 {
 	int       ep = d->props.generic_bulk_ctrl_endpoint;
@@ -1372,6 +1392,12 @@ static int cxusb_mygica_t230_frontend_attach(struct dvb_usb_adapter *adap)
 
 	st->i2c_client_tuner = client_tuner;
 
+	/* hook fe: need to resync the slave fifo when signal locks. */
+	mutex_init(&st->stream_mutex);
+	st->last_lock = 0;
+	st->fe_read_status = adap->fe_adap[0].fe->ops.read_status;
+	adap->fe_adap[0].fe->ops.read_status = cxusb_read_status;
+
 	return 0;
 }
 
diff --git a/drivers/media/usb/dvb-usb/cxusb.h b/drivers/media/usb/dvb-usb/cxusb.h
index 18acda19527a..66429d7f69b5 100644
--- a/drivers/media/usb/dvb-usb/cxusb.h
+++ b/drivers/media/usb/dvb-usb/cxusb.h
@@ -37,6 +37,11 @@ struct cxusb_state {
 	struct i2c_client *i2c_client_tuner;
 
 	unsigned char data[MAX_XFER_SIZE];
+
+	struct mutex stream_mutex;
+	u8 last_lock;
+	int (*fe_read_status)(struct dvb_frontend *fe,
+		enum fe_status *status);
 };
 
 #endif
diff --git a/drivers/media/usb/dvb-usb/dib0700_core.c b/drivers/media/usb/dvb-usb/dib0700_core.c
index 47ce9d5de4c6..dd5edd3a17ee 100644
--- a/drivers/media/usb/dvb-usb/dib0700_core.c
+++ b/drivers/media/usb/dvb-usb/dib0700_core.c
@@ -16,10 +16,7 @@ MODULE_PARM_DESC(debug, "set debugging level (1=info,2=fw,4=fwdata,8=data (or-ab
 static int nb_packet_buffer_size = 21;
 module_param(nb_packet_buffer_size, int, 0644);
 MODULE_PARM_DESC(nb_packet_buffer_size,
-	"Set the dib0700 driver data buffer size. This parameter "
-	"corresponds to the number of TS packets. The actual size of "
-	"the data buffer corresponds to this parameter "
-	"multiplied by 188 (default: 21)");
+	"Set the dib0700 driver data buffer size. This parameter corresponds to the number of TS packets. The actual size of the data buffer corresponds to this parameter multiplied by 188 (default: 21)");
 
 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
 
diff --git a/drivers/media/usb/dvb-usb/dib0700_devices.c b/drivers/media/usb/dvb-usb/dib0700_devices.c
index ef1b8ee75c57..b29d4894c2f1 100644
--- a/drivers/media/usb/dvb-usb/dib0700_devices.c
+++ b/drivers/media/usb/dvb-usb/dib0700_devices.c
@@ -26,8 +26,7 @@
 
 static int force_lna_activation;
 module_param(force_lna_activation, int, 0644);
-MODULE_PARM_DESC(force_lna_activation, "force the activation of Low-Noise-Amplifyer(s) (LNA), "
-		"if applicable for the device (default: 0=automatic/off).");
+MODULE_PARM_DESC(force_lna_activation, "force the activation of Low-Noise-Amplifyer(s) (LNA), if applicable for the device (default: 0=automatic/off).");
 
 struct dib0700_adapter_state {
 	int (*set_param_save) (struct dvb_frontend *);
diff --git a/drivers/media/usb/dvb-usb/dibusb-common.c b/drivers/media/usb/dvb-usb/dibusb-common.c
index de3ee2547479..8207e6900656 100644
--- a/drivers/media/usb/dvb-usb/dibusb-common.c
+++ b/drivers/media/usb/dvb-usb/dibusb-common.c
@@ -382,9 +382,9 @@ int dibusb_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
 	if (buf[0] != 0)
 		deb_info("key: %*ph\n", 5, buf);
 
+ret:
 	kfree(buf);
 
-ret:
 	return ret;
 }
 EXPORT_SYMBOL(dibusb_rc_query);
diff --git a/drivers/media/usb/dvb-usb/dibusb-mc-common.c b/drivers/media/usb/dvb-usb/dibusb-mc-common.c
index d66f56cc46a5..c989cac9343d 100644
--- a/drivers/media/usb/dvb-usb/dibusb-mc-common.c
+++ b/drivers/media/usb/dvb-usb/dibusb-mc-common.c
@@ -9,7 +9,6 @@
  * see Documentation/dvb/README.dvb-usb for more information
  */
 
-#include <linux/kconfig.h>
 #include "dibusb.h"
 
 /* 3000MC/P stuff */
diff --git a/drivers/media/usb/dvb-usb/dtt200u-fe.c b/drivers/media/usb/dvb-usb/dtt200u-fe.c
index f5c042baa254..00f565fe7cc2 100644
--- a/drivers/media/usb/dvb-usb/dtt200u-fe.c
+++ b/drivers/media/usb/dvb-usb/dtt200u-fe.c
@@ -202,7 +202,7 @@ static void dtt200u_fe_release(struct dvb_frontend* fe)
 	kfree(state);
 }
 
-static struct dvb_frontend_ops dtt200u_fe_ops;
+static const struct dvb_frontend_ops dtt200u_fe_ops;
 
 struct dvb_frontend* dtt200u_fe_attach(struct dvb_usb_device *d)
 {
@@ -226,7 +226,7 @@ error:
 	return NULL;
 }
 
-static struct dvb_frontend_ops dtt200u_fe_ops = {
+static const struct dvb_frontend_ops dtt200u_fe_ops = {
 	.delsys = { SYS_DVBT },
 	.info = {
 		.name			= "WideView USB DVB-T",
diff --git a/drivers/media/usb/dvb-usb/dvb-usb-dvb.c b/drivers/media/usb/dvb-usb/dvb-usb-dvb.c
index a04c0a250625..e5675da286cb 100644
--- a/drivers/media/usb/dvb-usb/dvb-usb-dvb.c
+++ b/drivers/media/usb/dvb-usb/dvb-usb-dvb.c
@@ -277,8 +277,7 @@ int dvb_usb_adapter_frontend_init(struct dvb_usb_adapter *adap)
 	for (i = 0; i < adap->props.num_frontends; i++) {
 
 		if (adap->props.fe[i].frontend_attach == NULL) {
-			err("strange: '%s' #%d,%d "
-			    "doesn't want to attach a frontend.",
+			err("strange: '%s' #%d,%d doesn't want to attach a frontend.",
 			    adap->dev->desc->name, adap->id, i);
 
 			return 0;
diff --git a/drivers/media/usb/dvb-usb/dvb-usb-firmware.c b/drivers/media/usb/dvb-usb/dvb-usb-firmware.c
index dd048a7c461c..f0023dbb7276 100644
--- a/drivers/media/usb/dvb-usb/dvb-usb-firmware.c
+++ b/drivers/media/usb/dvb-usb/dvb-usb-firmware.c
@@ -49,8 +49,7 @@ int usb_cypress_load_firmware(struct usb_device *udev, const struct firmware *fw
 		ret = usb_cypress_writemem(udev,hx.addr,hx.data,hx.len);
 
 		if (ret != hx.len) {
-			err("error while transferring firmware "
-				"(transferred size: %d, block size: %d)",
+			err("error while transferring firmware (transferred size: %d, block size: %d)",
 				ret,hx.len);
 			ret = -EINVAL;
 			break;
@@ -81,8 +80,7 @@ int dvb_usb_download_firmware(struct usb_device *udev, struct dvb_usb_device_pro
 	const struct firmware *fw = NULL;
 
 	if ((ret = request_firmware(&fw, props->firmware, &udev->dev)) != 0) {
-		err("did not find the firmware file. (%s) "
-			"Please see linux/Documentation/dvb/ for more details on firmware-problems. (%d)",
+		err("did not find the firmware file. (%s) Please see linux/Documentation/dvb/ for more details on firmware-problems. (%d)",
 			props->firmware,ret);
 		return ret;
 	}
diff --git a/drivers/media/usb/dvb-usb/dvb-usb.h b/drivers/media/usb/dvb-usb/dvb-usb.h
index 107255b08b2b..67f898b6f6d0 100644
--- a/drivers/media/usb/dvb-usb/dvb-usb.h
+++ b/drivers/media/usb/dvb-usb/dvb-usb.h
@@ -467,8 +467,10 @@ extern int dvb_usb_device_init(struct usb_interface *,
 extern void dvb_usb_device_exit(struct usb_interface *);
 
 /* the generic read/write method for device control */
-extern int dvb_usb_generic_rw(struct dvb_usb_device *, u8 *, u16, u8 *, u16,int);
-extern int dvb_usb_generic_write(struct dvb_usb_device *, u8 *, u16);
+extern int __must_check
+dvb_usb_generic_rw(struct dvb_usb_device *, u8 *, u16, u8 *, u16, int);
+extern int __must_check
+dvb_usb_generic_write(struct dvb_usb_device *, u8 *, u16);
 
 /* commonly used remote control parsing */
 extern int dvb_usb_nec_rc_key_to_event(struct dvb_usb_device *, u8[], u32 *, int *);
diff --git a/drivers/media/usb/dvb-usb/dw2102.c b/drivers/media/usb/dvb-usb/dw2102.c
index 2c720cb2fb00..6ca502d834b4 100644
--- a/drivers/media/usb/dvb-usb/dw2102.c
+++ b/drivers/media/usb/dvb-usb/dw2102.c
@@ -86,8 +86,7 @@ MODULE_PARM_DESC(debug, "set debugging level (1=info 2=xfer 4=rc(or-able))."
 /* demod probe */
 static int demod_probe = 1;
 module_param_named(demod, demod_probe, int, 0644);
-MODULE_PARM_DESC(demod, "demod to probe (1=cx24116 2=stv0903+stv6110 "
-			"4=stv0903+stb6100(or-able)).");
+MODULE_PARM_DESC(demod, "demod to probe (1=cx24116 2=stv0903+stv6110 4=stv0903+stb6100(or-able)).");
 
 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
 
@@ -1642,6 +1641,7 @@ enum dw2102_table_entry {
 	TEVII_S632,
 	TERRATEC_CINERGY_S2_R2,
 	TERRATEC_CINERGY_S2_R3,
+	TERRATEC_CINERGY_S2_R4,
 	GOTVIEW_SAT_HD,
 	GENIATECH_T220,
 	TECHNOTREND_S2_4600,
@@ -1671,6 +1671,7 @@ static struct usb_device_id dw2102_table[] = {
 	[TEVII_S632] = {USB_DEVICE(0x9022, USB_PID_TEVII_S632)},
 	[TERRATEC_CINERGY_S2_R2] = {USB_DEVICE(USB_VID_TERRATEC, USB_PID_TERRATEC_CINERGY_S2_R2)},
 	[TERRATEC_CINERGY_S2_R3] = {USB_DEVICE(USB_VID_TERRATEC, USB_PID_TERRATEC_CINERGY_S2_R3)},
+	[TERRATEC_CINERGY_S2_R4] = {USB_DEVICE(USB_VID_TERRATEC, USB_PID_TERRATEC_CINERGY_S2_R4)},
 	[GOTVIEW_SAT_HD] = {USB_DEVICE(0x1FE1, USB_PID_GOTVIEW_SAT_HD)},
 	[GENIATECH_T220] = {USB_DEVICE(0x1f4d, 0xD220)},
 	[TECHNOTREND_S2_4600] = {USB_DEVICE(USB_VID_TECHNOTREND,
@@ -2343,12 +2344,7 @@ static struct usb_driver dw2102_driver = {
 module_usb_driver(dw2102_driver);
 
 MODULE_AUTHOR("Igor M. Liplianin (c) liplianin@me.by");
-MODULE_DESCRIPTION("Driver for DVBWorld DVB-S 2101, 2102, DVB-S2 2104,"
-			" DVB-C 3101 USB2.0,"
-			" TeVii S421, S480, S482, S600, S630, S632, S650,"
-			" TeVii S660, S662, Prof 1100, 7500 USB2.0,"
-			" Geniatech SU3000, T220,"
-			" TechnoTrend S2-4600, Terratec Cinergy S2 devices");
+MODULE_DESCRIPTION("Driver for DVBWorld DVB-S 2101, 2102, DVB-S2 2104, DVB-C 3101 USB2.0, TeVii S421, S480, S482, S600, S630, S632, S650, TeVii S660, S662, Prof 1100, 7500 USB2.0, Geniatech SU3000, T220, TechnoTrend S2-4600, Terratec Cinergy S2 devices");
 MODULE_VERSION("0.1");
 MODULE_LICENSE("GPL");
 MODULE_FIRMWARE(DW2101_FIRMWARE);
diff --git a/drivers/media/usb/dvb-usb/friio-fe.c b/drivers/media/usb/dvb-usb/friio-fe.c
index 979f05b4b87c..0251a4e91d47 100644
--- a/drivers/media/usb/dvb-usb/friio-fe.c
+++ b/drivers/media/usb/dvb-usb/friio-fe.c
@@ -401,7 +401,7 @@ static void jdvbt90502_release(struct dvb_frontend *fe)
 }
 
 
-static struct dvb_frontend_ops jdvbt90502_ops;
+static const struct dvb_frontend_ops jdvbt90502_ops;
 
 struct dvb_frontend *jdvbt90502_attach(struct dvb_usb_device *d)
 {
@@ -432,7 +432,7 @@ error:
 	return NULL;
 }
 
-static struct dvb_frontend_ops jdvbt90502_ops = {
+static const struct dvb_frontend_ops jdvbt90502_ops = {
 	.delsys = { SYS_ISDBT },
 	.info = {
 		.name			= "Comtech JDVBT90502 ISDB-T",
diff --git a/drivers/media/usb/dvb-usb/friio.c b/drivers/media/usb/dvb-usb/friio.c
index 474a17e4db0c..62abe6c43a32 100644
--- a/drivers/media/usb/dvb-usb/friio.c
+++ b/drivers/media/usb/dvb-usb/friio.c
@@ -320,8 +320,8 @@ restart:
  */
 	if (rbuf[0] & 0x80) {	/* still in PowerOnReset state? */
 		if (++retry > 3) {
-			deb_info("failed to get the correct"
-				 " FE demod status:0x%02x\n", rbuf[0]);
+			deb_info("failed to get the correct FE demod status:0x%02x\n",
+				 rbuf[0]);
 			goto error;
 		}
 		msleep(100);
diff --git a/drivers/media/usb/dvb-usb/gp8psk.c b/drivers/media/usb/dvb-usb/gp8psk.c
index 993bb7a72985..2360e7e32b06 100644
--- a/drivers/media/usb/dvb-usb/gp8psk.c
+++ b/drivers/media/usb/dvb-usb/gp8psk.c
@@ -135,8 +135,7 @@ static int gp8psk_load_bcm4500fw(struct dvb_usb_device *d)
 	u8 *buf;
 	if ((ret = request_firmware(&fw, bcm4500_firmware,
 					&d->udev->dev)) != 0) {
-		err("did not find the bcm4500 firmware file. (%s) "
-			"Please see linux/Documentation/dvb/ for more details on firmware-problems. (%d)",
+		err("did not find the bcm4500 firmware file. (%s) Please see linux/Documentation/dvb/ for more details on firmware-problems. (%d)",
 			bcm4500_firmware,ret);
 		return ret;
 	}
diff --git a/drivers/media/usb/dvb-usb/m920x.c b/drivers/media/usb/dvb-usb/m920x.c
index eafc5c82467f..70672e1e5ec7 100644
--- a/drivers/media/usb/dvb-usb/m920x.c
+++ b/drivers/media/usb/dvb-usb/m920x.c
@@ -55,13 +55,9 @@ static inline int m920x_read(struct usb_device *udev, u8 request, u16 value,
 static inline int m920x_write(struct usb_device *udev, u8 request,
 			      u16 value, u16 index)
 {
-	int ret;
-
-	ret = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
-			      request, USB_TYPE_VENDOR | USB_DIR_OUT,
-			      value, index, NULL, 0, 2000);
-
-	return ret;
+	return usb_control_msg(udev, usb_sndctrlpipe(udev, 0), request,
+			       USB_TYPE_VENDOR | USB_DIR_OUT, value, index,
+			       NULL, 0, 2000);
 }
 
 static inline int m920x_write_seq(struct usb_device *udev, u8 request,
diff --git a/drivers/media/usb/dvb-usb/opera1.c b/drivers/media/usb/dvb-usb/opera1.c
index 2566d2f1c2ad..946a5ccc8f1a 100644
--- a/drivers/media/usb/dvb-usb/opera1.c
+++ b/drivers/media/usb/dvb-usb/opera1.c
@@ -453,8 +453,7 @@ static int opera1_xilinx_load_firmware(struct usb_device *dev,
 	info("start downloading fpga firmware %s",filename);
 
 	if ((ret = request_firmware(&fw, filename, &dev->dev)) != 0) {
-		err("did not find the firmware file. (%s) "
-			"Please see linux/Documentation/dvb/ for more details on firmware-problems.",
+		err("did not find the firmware file. (%s) Please see linux/Documentation/dvb/ for more details on firmware-problems.",
 			filename);
 		return ret;
 	} else {
diff --git a/drivers/media/usb/dvb-usb/technisat-usb2.c b/drivers/media/usb/dvb-usb/technisat-usb2.c
index 4706628a3ed5..02c3bee6f83b 100644
--- a/drivers/media/usb/dvb-usb/technisat-usb2.c
+++ b/drivers/media/usb/dvb-usb/technisat-usb2.c
@@ -50,8 +50,7 @@ MODULE_PARM_DESC(debug,
 static int disable_led_control;
 module_param(disable_led_control, int, 0444);
 MODULE_PARM_DESC(disable_led_control,
-		"disable LED control of the device "
-		"(default: 0 - LED control is active).");
+		"disable LED control of the device (default: 0 - LED control is active).");
 
 /* device private data */
 struct technisat_usb2_state {
diff --git a/drivers/media/usb/dvb-usb/vp702x-fe.c b/drivers/media/usb/dvb-usb/vp702x-fe.c
index 27398c08c69d..7ff31baa3682 100644
--- a/drivers/media/usb/dvb-usb/vp702x-fe.c
+++ b/drivers/media/usb/dvb-usb/vp702x-fe.c
@@ -323,7 +323,7 @@ static void vp702x_fe_release(struct dvb_frontend* fe)
 	kfree(st);
 }
 
-static struct dvb_frontend_ops vp702x_fe_ops;
+static const struct dvb_frontend_ops vp702x_fe_ops;
 
 struct dvb_frontend * vp702x_fe_attach(struct dvb_usb_device *d)
 {
@@ -345,7 +345,7 @@ error:
 }
 
 
-static struct dvb_frontend_ops vp702x_fe_ops = {
+static const struct dvb_frontend_ops vp702x_fe_ops = {
 	.delsys = { SYS_DVBS },
 	.info = {
 		.name           = "Twinhan DST-like frontend (VP7021/VP7020) DVB-S",
diff --git a/drivers/media/usb/dvb-usb/vp7045-fe.c b/drivers/media/usb/dvb-usb/vp7045-fe.c
index 7765602ea658..4520ad9c2014 100644
--- a/drivers/media/usb/dvb-usb/vp7045-fe.c
+++ b/drivers/media/usb/dvb-usb/vp7045-fe.c
@@ -140,7 +140,7 @@ static void vp7045_fe_release(struct dvb_frontend* fe)
 	kfree(state);
 }
 
-static struct dvb_frontend_ops vp7045_fe_ops;
+static const struct dvb_frontend_ops vp7045_fe_ops;
 
 struct dvb_frontend * vp7045_fe_attach(struct dvb_usb_device *d)
 {
@@ -158,7 +158,7 @@ error:
 }
 
 
-static struct dvb_frontend_ops vp7045_fe_ops = {
+static const struct dvb_frontend_ops vp7045_fe_ops = {
 	.delsys = { SYS_DVBT },
 	.info = {
 		.name			= "Twinhan VP7045/46 USB DVB-T",
diff --git a/drivers/media/usb/em28xx/Kconfig b/drivers/media/usb/em28xx/Kconfig
index d917b0a2beb1..aa131cf9989b 100644
--- a/drivers/media/usb/em28xx/Kconfig
+++ b/drivers/media/usb/em28xx/Kconfig
@@ -11,7 +11,7 @@ config VIDEO_EM28XX_V4L2
 	select VIDEO_SAA711X if MEDIA_SUBDRV_AUTOSELECT
 	select VIDEO_TVP5150 if MEDIA_SUBDRV_AUTOSELECT
 	select VIDEO_MSP3400 if MEDIA_SUBDRV_AUTOSELECT
-	select VIDEO_MT9V011 if MEDIA_SUBDRV_AUTOSELECT
+	select VIDEO_MT9V011 if MEDIA_SUBDRV_AUTOSELECT && MEDIA_CAMERA_SUPPORT
 
 	---help---
 	  This is a video4linux driver for Empia 28xx based TV cards.
diff --git a/drivers/media/usb/em28xx/em28xx-audio.c b/drivers/media/usb/em28xx/em28xx-audio.c
index e11fe46a547c..7969ddb9e2dd 100644
--- a/drivers/media/usb/em28xx/em28xx-audio.c
+++ b/drivers/media/usb/em28xx/em28xx-audio.c
@@ -3,7 +3,7 @@
  *
  *  Copyright (C) 2006 Markus Rechberger <mrechberger@gmail.com>
  *
- *  Copyright (C) 2007-2014 Mauro Carvalho Chehab
+ *  Copyright (C) 2007-2016 Mauro Carvalho Chehab
  *	- Port to work with the in-kernel driver
  *	- Cleanups, fixes, alsa-controls, etc.
  *
@@ -25,6 +25,8 @@
  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
 
+#include "em28xx.h"
+
 #include <linux/kernel.h>
 #include <linux/usb.h>
 #include <linux/init.h>
@@ -44,7 +46,6 @@
 #include <sound/tlv.h>
 #include <sound/ac97_codec.h>
 #include <media/v4l2-common.h>
-#include "em28xx.h"
 
 static int debug;
 module_param(debug, int, 0644);
@@ -54,10 +55,10 @@ MODULE_PARM_DESC(debug, "activates debug info");
 #define EM28XX_MIN_AUDIO_PACKETS	64
 
 #define dprintk(fmt, arg...) do {					\
-	    if (debug)							\
-		printk(KERN_INFO "em28xx-audio %s: " fmt,		\
-				  __func__, ##arg);		\
-	} while (0)
+	if (debug)						\
+		dev_printk(KERN_DEBUG, &dev->intf->dev,			\
+			   "video: %s: " fmt, __func__, ## arg);	\
+} while (0)
 
 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
 
@@ -91,7 +92,8 @@ static void em28xx_audio_isocirq(struct urb *urb)
 	struct snd_pcm_runtime   *runtime;
 
 	if (dev->disconnected) {
-		dprintk("device disconnected while streaming. URB status=%d.\n", urb->status);
+		dprintk("device disconnected while streaming. URB status=%d.\n",
+			urb->status);
 		atomic_set(&dev->adev.stream_started, 0);
 		return;
 	}
@@ -164,8 +166,9 @@ static void em28xx_audio_isocirq(struct urb *urb)
 
 	status = usb_submit_urb(urb, GFP_ATOMIC);
 	if (status < 0)
-		em28xx_errdev("resubmit of audio urb failed (error=%i)\n",
-			      status);
+		dev_err(&dev->intf->dev,
+			"resubmit of audio urb failed (error=%i)\n",
+			status);
 	return;
 }
 
@@ -182,8 +185,9 @@ static int em28xx_init_audio_isoc(struct em28xx *dev)
 
 		errCode = usb_submit_urb(dev->adev.urb[i], GFP_ATOMIC);
 		if (errCode) {
-			em28xx_errdev("submit of audio urb failed (error=%i)\n",
-				      errCode);
+			dev_err(&dev->intf->dev,
+				"submit of audio urb failed (error=%i)\n",
+				errCode);
 			em28xx_deinit_isoc_audio(dev);
 			atomic_set(&dev->adev.stream_started, 0);
 			return errCode;
@@ -197,6 +201,7 @@ static int em28xx_init_audio_isoc(struct em28xx *dev)
 static int snd_pcm_alloc_vmalloc_buffer(struct snd_pcm_substream *subs,
 					size_t size)
 {
+	struct em28xx *dev = snd_pcm_substream_chip(subs);
 	struct snd_pcm_runtime *runtime = subs->runtime;
 
 	dprintk("Allocating vbuffer\n");
@@ -254,8 +259,7 @@ static int snd_em28xx_capture_open(struct snd_pcm_substream *substream)
 	int nonblock, ret = 0;
 
 	if (!dev) {
-		em28xx_err("BUG: em28xx can't find device struct."
-				" Can't proceed with open\n");
+		pr_err("em28xx-audio: BUG: em28xx can't find device struct. Can't proceed with open\n");
 		return -ENODEV;
 	}
 
@@ -275,6 +279,8 @@ static int snd_em28xx_capture_open(struct snd_pcm_substream *substream)
 
 	if (dev->adev.users == 0) {
 		if (dev->alt == 0 || dev->is_audio_only) {
+			struct usb_device *udev = interface_to_usbdev(dev->intf);
+
 			if (dev->is_audio_only)
 				/* audio is on a separate interface */
 				dev->alt = 1;
@@ -292,7 +298,7 @@ static int snd_em28xx_capture_open(struct snd_pcm_substream *substream)
 				 */
 			dprintk("changing alternate number on interface %d to %d\n",
 				dev->ifnum, dev->alt);
-			usb_set_interface(dev->udev, dev->ifnum, dev->alt);
+			usb_set_interface(udev, dev->ifnum, dev->alt);
 		}
 
 		/* Sets volume, mute, etc */
@@ -318,7 +324,8 @@ static int snd_em28xx_capture_open(struct snd_pcm_substream *substream)
 err:
 	mutex_unlock(&dev->lock);
 
-	em28xx_err("Error while configuring em28xx mixer\n");
+	dev_err(&dev->intf->dev,
+		"Error while configuring em28xx mixer\n");
 	return ret;
 }
 
@@ -709,6 +716,7 @@ static const struct snd_pcm_ops snd_em28xx_pcm_capture = {
 
 static void em28xx_audio_free_urb(struct em28xx *dev)
 {
+	struct usb_device *udev = interface_to_usbdev(dev->intf);
 	int i;
 
 	for (i = 0; i < dev->adev.num_urb; i++) {
@@ -717,7 +725,7 @@ static void em28xx_audio_free_urb(struct em28xx *dev)
 		if (!urb)
 			continue;
 
-		usb_free_coherent(dev->udev, urb->transfer_buffer_length,
+		usb_free_coherent(udev, urb->transfer_buffer_length,
 				  dev->adev.transfer_buffer[i],
 				  urb->transfer_dma);
 
@@ -744,6 +752,7 @@ static int em28xx_audio_urb_init(struct em28xx *dev)
 {
 	struct usb_interface *intf;
 	struct usb_endpoint_descriptor *e, *ep = NULL;
+	struct usb_device *udev = interface_to_usbdev(dev->intf);
 	int                 i, ep_size, interval, num_urb, npackets;
 	int		    urb_size, bytes_per_transfer;
 	u8 alt;
@@ -753,10 +762,10 @@ static int em28xx_audio_urb_init(struct em28xx *dev)
 	else
 		alt = 7;
 
-	intf = usb_ifnum_to_if(dev->udev, dev->ifnum);
+	intf = usb_ifnum_to_if(udev, dev->ifnum);
 
 	if (intf->num_altsetting <= alt) {
-		em28xx_errdev("alt %d doesn't exist on interface %d\n",
+		dev_err(&dev->intf->dev, "alt %d doesn't exist on interface %d\n",
 			      dev->ifnum, alt);
 		return -ENODEV;
 	}
@@ -772,18 +781,17 @@ static int em28xx_audio_urb_init(struct em28xx *dev)
 	}
 
 	if (!ep) {
-		em28xx_errdev("Couldn't find an audio endpoint");
+		dev_err(&dev->intf->dev, "Couldn't find an audio endpoint");
 		return -ENODEV;
 	}
 
-	ep_size = em28xx_audio_ep_packet_size(dev->udev, ep);
+	ep_size = em28xx_audio_ep_packet_size(udev, ep);
 	interval = 1 << (ep->bInterval - 1);
 
-	em28xx_info("Endpoint 0x%02x %s on intf %d alt %d interval = %d, size %d\n",
-		    EM28XX_EP_AUDIO, usb_speed_string(dev->udev->speed),
-		     dev->ifnum, alt,
-		     interval,
-		     ep_size);
+	dev_info(&dev->intf->dev,
+		 "Endpoint 0x%02x %s on intf %d alt %d interval = %d, size %d\n",
+		 EM28XX_EP_AUDIO, usb_speed_string(udev->speed),
+		 dev->ifnum, alt, interval, ep_size);
 
 	/* Calculate the number and size of URBs to better fit the audio samples */
 
@@ -820,8 +828,9 @@ static int em28xx_audio_urb_init(struct em28xx *dev)
 	if (urb_size > ep_size * npackets)
 		npackets = DIV_ROUND_UP(urb_size, ep_size);
 
-	em28xx_info("Number of URBs: %d, with %d packets and %d size\n",
-		    num_urb, npackets, urb_size);
+	dev_info(&dev->intf->dev,
+		 "Number of URBs: %d, with %d packets and %d size\n",
+		 num_urb, npackets, urb_size);
 
 	/* Estimate the bytes per period */
 	dev->adev.period = urb_size * npackets;
@@ -855,18 +864,19 @@ static int em28xx_audio_urb_init(struct em28xx *dev)
 		}
 		dev->adev.urb[i] = urb;
 
-		buf = usb_alloc_coherent(dev->udev, npackets * ep_size, GFP_ATOMIC,
+		buf = usb_alloc_coherent(udev, npackets * ep_size, GFP_ATOMIC,
 					 &urb->transfer_dma);
 		if (!buf) {
-			em28xx_errdev("usb_alloc_coherent failed!\n");
+			dev_err(&dev->intf->dev,
+				"usb_alloc_coherent failed!\n");
 			em28xx_audio_free_urb(dev);
 			return -ENOMEM;
 		}
 		dev->adev.transfer_buffer[i] = buf;
 
-		urb->dev = dev->udev;
+		urb->dev = udev;
 		urb->context = dev;
-		urb->pipe = usb_rcvisocpipe(dev->udev, EM28XX_EP_AUDIO);
+		urb->pipe = usb_rcvisocpipe(udev, EM28XX_EP_AUDIO);
 		urb->transfer_flags = URB_ISO_ASAP | URB_NO_TRANSFER_DMA_MAP;
 		urb->transfer_buffer = buf;
 		urb->interval = interval;
@@ -886,6 +896,7 @@ static int em28xx_audio_urb_init(struct em28xx *dev)
 static int em28xx_audio_init(struct em28xx *dev)
 {
 	struct em28xx_audio *adev = &dev->adev;
+	struct usb_device *udev = interface_to_usbdev(dev->intf);
 	struct snd_pcm      *pcm;
 	struct snd_card     *card;
 	static int          devnr;
@@ -898,23 +909,23 @@ static int em28xx_audio_init(struct em28xx *dev)
 		return 0;
 	}
 
-	em28xx_info("Binding audio extension\n");
+	dev_info(&dev->intf->dev, "Binding audio extension\n");
 
 	kref_get(&dev->ref);
 
-	printk(KERN_INFO "em28xx-audio.c: Copyright (C) 2006 Markus "
-			 "Rechberger\n");
-	printk(KERN_INFO
-	       "em28xx-audio.c: Copyright (C) 2007-2014 Mauro Carvalho Chehab\n");
+	dev_info(&dev->intf->dev,
+		 "em28xx-audio.c: Copyright (C) 2006 Markus Rechberger\n");
+	dev_info(&dev->intf->dev,
+		 "em28xx-audio.c: Copyright (C) 2007-2016 Mauro Carvalho Chehab\n");
 
-	err = snd_card_new(&dev->udev->dev, index[devnr], "Em28xx Audio",
+	err = snd_card_new(&dev->intf->dev, index[devnr], "Em28xx Audio",
 			   THIS_MODULE, 0, &card);
 	if (err < 0)
 		return err;
 
 	spin_lock_init(&adev->slock);
 	adev->sndcard = card;
-	adev->udev = dev->udev;
+	adev->udev = udev;
 
 	err = snd_pcm_new(card, "Em28xx Audio", 0, 0, 1, &pcm);
 	if (err < 0)
@@ -955,7 +966,7 @@ static int em28xx_audio_init(struct em28xx *dev)
 	if (err < 0)
 		goto urb_free;
 
-	em28xx_info("Audio extension successfully initialized\n");
+	dev_info(&dev->intf->dev, "Audio extension successfully initialized\n");
 	return 0;
 
 urb_free:
@@ -980,7 +991,7 @@ static int em28xx_audio_fini(struct em28xx *dev)
 		return 0;
 	}
 
-	em28xx_info("Closing audio extension\n");
+	dev_info(&dev->intf->dev, "Closing audio extension\n");
 
 	if (dev->adev.sndcard) {
 		snd_card_disconnect(dev->adev.sndcard);
@@ -1004,7 +1015,7 @@ static int em28xx_audio_suspend(struct em28xx *dev)
 	if (dev->usb_audio_type != EM28XX_USB_AUDIO_VENDOR)
 		return 0;
 
-	em28xx_info("Suspending audio extension\n");
+	dev_info(&dev->intf->dev, "Suspending audio extension\n");
 	em28xx_deinit_isoc_audio(dev);
 	atomic_set(&dev->adev.stream_started, 0);
 	return 0;
@@ -1018,7 +1029,7 @@ static int em28xx_audio_resume(struct em28xx *dev)
 	if (dev->usb_audio_type != EM28XX_USB_AUDIO_VENDOR)
 		return 0;
 
-	em28xx_info("Resuming audio extension\n");
+	dev_info(&dev->intf->dev, "Resuming audio extension\n");
 	/* Nothing to do other than schedule_work() ?? */
 	schedule_work(&dev->adev.wq_trigger);
 	return 0;
diff --git a/drivers/media/usb/em28xx/em28xx-camera.c b/drivers/media/usb/em28xx/em28xx-camera.c
index 72f3f4d50253..89c890ba7dd6 100644
--- a/drivers/media/usb/em28xx/em28xx-camera.c
+++ b/drivers/media/usb/em28xx/em28xx-camera.c
@@ -19,14 +19,15 @@
    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */
 
+#include "em28xx.h"
+
 #include <linux/i2c.h>
+#include <linux/usb.h>
 #include <media/soc_camera.h>
 #include <media/i2c/mt9v011.h>
 #include <media/v4l2-clk.h>
 #include <media/v4l2-common.h>
 
-#include "em28xx.h"
-
 /* Possible i2c addresses of Micron sensors */
 static unsigned short micron_sensor_addrs[] = {
 	0xb8 >> 1,   /* MT9V111, MT9V403 */
@@ -120,14 +121,16 @@ static int em28xx_probe_sensor_micron(struct em28xx *dev)
 		ret = i2c_master_send(&client, &reg, 1);
 		if (ret < 0) {
 			if (ret != -ENXIO)
-				em28xx_errdev("couldn't read from i2c device 0x%02x: error %i\n",
-					      client.addr << 1, ret);
+				dev_err(&dev->intf->dev,
+					"couldn't read from i2c device 0x%02x: error %i\n",
+				       client.addr << 1, ret);
 			continue;
 		}
 		ret = i2c_master_recv(&client, (u8 *)&id_be, 2);
 		if (ret < 0) {
-			em28xx_errdev("couldn't read from i2c device 0x%02x: error %i\n",
-				      client.addr << 1, ret);
+			dev_err(&dev->intf->dev,
+				"couldn't read from i2c device 0x%02x: error %i\n",
+				client.addr << 1, ret);
 			continue;
 		}
 		id = be16_to_cpu(id_be);
@@ -135,14 +138,16 @@ static int em28xx_probe_sensor_micron(struct em28xx *dev)
 		reg = 0xff;
 		ret = i2c_master_send(&client, &reg, 1);
 		if (ret < 0) {
-			em28xx_errdev("couldn't read from i2c device 0x%02x: error %i\n",
-				      client.addr << 1, ret);
+			dev_err(&dev->intf->dev,
+				"couldn't read from i2c device 0x%02x: error %i\n",
+				client.addr << 1, ret);
 			continue;
 		}
 		ret = i2c_master_recv(&client, (u8 *)&id_be, 2);
 		if (ret < 0) {
-			em28xx_errdev("couldn't read from i2c device 0x%02x: error %i\n",
-				      client.addr << 1, ret);
+			dev_err(&dev->intf->dev,
+				"couldn't read from i2c device 0x%02x: error %i\n",
+				client.addr << 1, ret);
 			continue;
 		}
 		/* Validate chip ID to be sure we have a Micron device */
@@ -180,15 +185,17 @@ static int em28xx_probe_sensor_micron(struct em28xx *dev)
 			dev->em28xx_sensor = EM28XX_MT9M001;
 			break;
 		default:
-			em28xx_info("unknown Micron sensor detected: 0x%04x\n",
-				    id);
+			dev_info(&dev->intf->dev,
+				 "unknown Micron sensor detected: 0x%04x\n", id);
 			return 0;
 		}
 
 		if (dev->em28xx_sensor == EM28XX_NOSENSOR)
-			em28xx_info("unsupported sensor detected: %s\n", name);
+			dev_info(&dev->intf->dev,
+				 "unsupported sensor detected: %s\n", name);
 		else
-			em28xx_info("sensor %s detected\n", name);
+			dev_info(&dev->intf->dev,
+				 "sensor %s detected\n", name);
 
 		dev->i2c_client[dev->def_i2c_bus].addr = client.addr;
 		return 0;
@@ -218,16 +225,18 @@ static int em28xx_probe_sensor_omnivision(struct em28xx *dev)
 		ret = i2c_smbus_read_byte_data(&client, reg);
 		if (ret < 0) {
 			if (ret != -ENXIO)
-				em28xx_errdev("couldn't read from i2c device 0x%02x: error %i\n",
-					      client.addr << 1, ret);
+				dev_err(&dev->intf->dev,
+					"couldn't read from i2c device 0x%02x: error %i\n",
+					client.addr << 1, ret);
 			continue;
 		}
 		id = ret << 8;
 		reg = 0x1d;
 		ret = i2c_smbus_read_byte_data(&client, reg);
 		if (ret < 0) {
-			em28xx_errdev("couldn't read from i2c device 0x%02x: error %i\n",
-				      client.addr << 1, ret);
+			dev_err(&dev->intf->dev,
+				"couldn't read from i2c device 0x%02x: error %i\n",
+				client.addr << 1, ret);
 			continue;
 		}
 		id += ret;
@@ -238,16 +247,18 @@ static int em28xx_probe_sensor_omnivision(struct em28xx *dev)
 		reg = 0x0a;
 		ret = i2c_smbus_read_byte_data(&client, reg);
 		if (ret < 0) {
-			em28xx_errdev("couldn't read from i2c device 0x%02x: error %i\n",
-				      client.addr << 1, ret);
+			dev_err(&dev->intf->dev,
+				"couldn't read from i2c device 0x%02x: error %i\n",
+				client.addr << 1, ret);
 			continue;
 		}
 		id = ret << 8;
 		reg = 0x0b;
 		ret = i2c_smbus_read_byte_data(&client, reg);
 		if (ret < 0) {
-			em28xx_errdev("couldn't read from i2c device 0x%02x: error %i\n",
-				      client.addr << 1, ret);
+			dev_err(&dev->intf->dev,
+				"couldn't read from i2c device 0x%02x: error %i\n",
+				client.addr << 1, ret);
 			continue;
 		}
 		id += ret;
@@ -285,15 +296,18 @@ static int em28xx_probe_sensor_omnivision(struct em28xx *dev)
 			name = "OV9655";
 			break;
 		default:
-			em28xx_info("unknown OmniVision sensor detected: 0x%04x\n",
-				    id);
+			dev_info(&dev->intf->dev,
+				 "unknown OmniVision sensor detected: 0x%04x\n",
+				id);
 			return 0;
 		}
 
 		if (dev->em28xx_sensor == EM28XX_NOSENSOR)
-			em28xx_info("unsupported sensor detected: %s\n", name);
+			dev_info(&dev->intf->dev,
+				 "unsupported sensor detected: %s\n", name);
 		else
-			em28xx_info("sensor %s detected\n", name);
+			dev_info(&dev->intf->dev,
+				 "sensor %s detected\n", name);
 
 		dev->i2c_client[dev->def_i2c_bus].addr = client.addr;
 		return 0;
@@ -317,7 +331,8 @@ int em28xx_detect_sensor(struct em28xx *dev)
 	 */
 
 	if (dev->em28xx_sensor == EM28XX_NOSENSOR && ret < 0) {
-		em28xx_info("No sensor detected\n");
+		dev_info(&dev->intf->dev,
+			 "No sensor detected\n");
 		return -ENODEV;
 	}
 
diff --git a/drivers/media/usb/em28xx/em28xx-cards.c b/drivers/media/usb/em28xx/em28xx-cards.c
index e397f544f108..23c67494762d 100644
--- a/drivers/media/usb/em28xx/em28xx-cards.c
+++ b/drivers/media/usb/em28xx/em28xx-cards.c
@@ -23,6 +23,8 @@
    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
 
+#include "em28xx.h"
+
 #include <linux/init.h>
 #include <linux/module.h>
 #include <linux/slab.h>
@@ -39,7 +41,6 @@
 #include <media/v4l2-common.h>
 #include <sound/ac97_codec.h>
 
-#include "em28xx.h"
 
 #define DRIVER_NAME         "em28xx"
 
@@ -1560,8 +1561,7 @@ struct em28xx_board em28xx_boards[] = {
 		} },
 	},
 	[EM2820_BOARD_PINNACLE_DVC_90] = {
-		.name         = "Pinnacle Dazzle DVC 90/100/101/107 / Kaiser Baas Video to DVD maker "
-			       "/ Kworld DVD Maker 2 / Plextor ConvertX PX-AV100U",
+		.name	      = "Pinnacle Dazzle DVC 90/100/101/107 / Kaiser Baas Video to DVD maker / Kworld DVD Maker 2 / Plextor ConvertX PX-AV100U",
 		.tuner_type   = TUNER_ABSENT, /* capture only board */
 		.decoder      = EM28XX_SAA711X,
 		.input        = { {
@@ -2677,7 +2677,7 @@ static int em28xx_wait_until_ac97_features_equals(struct em28xx *dev,
 		msleep(50);
 	}
 
-	em28xx_warn("AC97 registers access is not reliable !\n");
+	dev_warn(&dev->intf->dev, "AC97 registers access is not reliable !\n");
 	return -ETIMEDOUT;
 }
 
@@ -2831,16 +2831,14 @@ static int em28xx_hint_board(struct em28xx *dev)
 			dev->model = em28xx_eeprom_hash[i].model;
 			dev->tuner_type = em28xx_eeprom_hash[i].tuner;
 
-			em28xx_errdev("Your board has no unique USB ID.\n");
-			em28xx_errdev("A hint were successfully done, "
-				      "based on eeprom hash.\n");
-			em28xx_errdev("This method is not 100%% failproof.\n");
-			em28xx_errdev("If the board were missdetected, "
-				      "please email this log to:\n");
-			em28xx_errdev("\tV4L Mailing List "
-				      " <linux-media@vger.kernel.org>\n");
-			em28xx_errdev("Board detected as %s\n",
-				      em28xx_boards[dev->model].name);
+			dev_err(&dev->intf->dev,
+				"Your board has no unique USB ID.\n"
+				"A hint were successfully done, based on eeprom hash.\n"
+				"This method is not 100%% failproof.\n"
+				"If the board were missdetected, please email this log to:\n"
+				"\tV4L Mailing List  <linux-media@vger.kernel.org>\n"
+				"Board detected as %s\n",
+			       em28xx_boards[dev->model].name);
 
 			return 0;
 		}
@@ -2863,35 +2861,33 @@ static int em28xx_hint_board(struct em28xx *dev)
 		if (dev->i2c_hash == em28xx_i2c_hash[i].hash) {
 			dev->model = em28xx_i2c_hash[i].model;
 			dev->tuner_type = em28xx_i2c_hash[i].tuner;
-			em28xx_errdev("Your board has no unique USB ID.\n");
-			em28xx_errdev("A hint were successfully done, "
-				      "based on i2c devicelist hash.\n");
-			em28xx_errdev("This method is not 100%% failproof.\n");
-			em28xx_errdev("If the board were missdetected, "
-				      "please email this log to:\n");
-			em28xx_errdev("\tV4L Mailing List "
-				      " <linux-media@vger.kernel.org>\n");
-			em28xx_errdev("Board detected as %s\n",
-				      em28xx_boards[dev->model].name);
+			dev_err(&dev->intf->dev,
+				"Your board has no unique USB ID.\n"
+				"A hint were successfully done, based on i2c devicelist hash.\n"
+				"This method is not 100%% failproof.\n"
+				"If the board were missdetected, please email this log to:\n"
+				"\tV4L Mailing List  <linux-media@vger.kernel.org>\n"
+				"Board detected as %s\n",
+				em28xx_boards[dev->model].name);
 
 			return 0;
 		}
 	}
 
-	em28xx_errdev("Your board has no unique USB ID and thus need a "
-		      "hint to be detected.\n");
-	em28xx_errdev("You may try to use card=<n> insmod option to "
-		      "workaround that.\n");
-	em28xx_errdev("Please send an email with this log to:\n");
-	em28xx_errdev("\tV4L Mailing List <linux-media@vger.kernel.org>\n");
-	em28xx_errdev("Board eeprom hash is 0x%08lx\n", dev->hash);
-	em28xx_errdev("Board i2c devicelist hash is 0x%08lx\n", dev->i2c_hash);
-
-	em28xx_errdev("Here is a list of valid choices for the card=<n>"
-		      " insmod option:\n");
+	dev_err(&dev->intf->dev,
+		"Your board has no unique USB ID and thus need a hint to be detected.\n"
+		"You may try to use card=<n> insmod option to workaround that.\n"
+		"Please send an email with this log to:\n"
+		"\tV4L Mailing List <linux-media@vger.kernel.org>\n"
+		"Board eeprom hash is 0x%08lx\n"
+		"Board i2c devicelist hash is 0x%08lx\n",
+		dev->hash, dev->i2c_hash);
+
+	dev_err(&dev->intf->dev,
+		"Here is a list of valid choices for the card=<n> insmod option:\n");
 	for (i = 0; i < em28xx_bcount; i++) {
-		em28xx_errdev("    card=%d -> %s\n",
-			      i, em28xx_boards[i].name);
+		dev_err(&dev->intf->dev,
+			"    card=%d -> %s\n", i, em28xx_boards[i].name);
 	}
 	return -1;
 }
@@ -2925,7 +2921,7 @@ static void em28xx_card_setup(struct em28xx *dev)
 		 * hash identities which has not been determined as yet.
 		 */
 		if (em28xx_hint_board(dev) < 0)
-			em28xx_errdev("Board not discovered\n");
+			dev_err(&dev->intf->dev, "Board not discovered\n");
 		else {
 			em28xx_set_model(dev);
 			em28xx_pre_card_setup(dev);
@@ -2935,8 +2931,8 @@ static void em28xx_card_setup(struct em28xx *dev)
 		em28xx_set_model(dev);
 	}
 
-	em28xx_info("Identified as %s (card=%d)\n",
-		    dev->board.name, dev->model);
+	dev_info(&dev->intf->dev, "Identified as %s (card=%d)\n",
+		dev->board.name, dev->model);
 
 	dev->tuner_type = em28xx_boards[dev->model].tuner_type;
 
@@ -3034,12 +3030,11 @@ static void em28xx_card_setup(struct em28xx *dev)
 	}
 
 	if (dev->board.valid == EM28XX_BOARD_NOT_VALIDATED) {
-		em28xx_errdev("\n\n");
-		em28xx_errdev("The support for this board weren't "
-			      "valid yet.\n");
-		em28xx_errdev("Please send a report of having this working\n");
-		em28xx_errdev("not to V4L mailing list (and/or to other "
-				"addresses)\n\n");
+		dev_err(&dev->intf->dev,
+			"\n\n"
+			"The support for this board weren't valid yet.\n"
+			"Please send a report of having this working\n"
+			"not to V4L mailing list (and/or to other addresses)\n\n");
 	}
 
 	/* Free eeprom data memory */
@@ -3166,7 +3161,7 @@ static int em28xx_media_device_init(struct em28xx *dev,
 	else if (udev->manufacturer)
 		media_device_usb_init(mdev, udev, udev->manufacturer);
 	else
-		media_device_usb_init(mdev, udev, dev->name);
+		media_device_usb_init(mdev, udev, dev_name(&dev->intf->dev));
 
 	dev->media_dev = mdev;
 #endif
@@ -3193,6 +3188,8 @@ static void em28xx_unregister_media_device(struct em28xx *dev)
 */
 static void em28xx_release_resources(struct em28xx *dev)
 {
+	struct usb_device *udev = interface_to_usbdev(dev->intf);
+
 	/*FIXME: I2C IR should be disconnected */
 
 	mutex_lock(&dev->lock);
@@ -3203,7 +3200,7 @@ static void em28xx_release_resources(struct em28xx *dev)
 		em28xx_i2c_unregister(dev, 1);
 	em28xx_i2c_unregister(dev, 0);
 
-	usb_put_dev(dev->udev);
+	usb_put_dev(udev);
 
 	/* Mark device as unused */
 	clear_bit(dev->devno, em28xx_devused);
@@ -3222,7 +3219,7 @@ void em28xx_free_device(struct kref *ref)
 {
 	struct em28xx *dev = kref_to_dev(ref);
 
-	em28xx_info("Freeing device\n");
+	dev_info(&dev->intf->dev, "Freeing device\n");
 
 	if (!dev->disconnected)
 		em28xx_release_resources(dev);
@@ -3241,10 +3238,9 @@ static int em28xx_init_dev(struct em28xx *dev, struct usb_device *udev,
 			   int minor)
 {
 	int retval;
-	static const char *default_chip_name = "em28xx";
-	const char *chip_name = default_chip_name;
+	const char *chip_name = NULL;
 
-	dev->udev = udev;
+	dev->intf = interface;
 	mutex_init(&dev->ctrl_urb_lock);
 	spin_lock_init(&dev->slock);
 
@@ -3282,9 +3278,8 @@ static int em28xx_init_dev(struct em28xx *dev, struct usb_device *udev,
 			break;
 		case CHIP_ID_EM2820:
 			chip_name = "em2710/2820";
-			if (le16_to_cpu(dev->udev->descriptor.idVendor)
-								    == 0xeb1a) {
-				__le16 idProd = dev->udev->descriptor.idProduct;
+			if (le16_to_cpu(udev->descriptor.idVendor) == 0xeb1a) {
+				__le16 idProd = udev->descriptor.idProduct;
 
 				if (le16_to_cpu(idProd) == 0x2710)
 					chip_name = "em2710";
@@ -3327,21 +3322,13 @@ static int em28xx_init_dev(struct em28xx *dev, struct usb_device *udev,
 			dev->wait_after_write = 0;
 			dev->eeprom_addrwidth_16bit = 1;
 			break;
-		default:
-			printk(KERN_INFO DRIVER_NAME
-			       ": unknown em28xx chip ID (%d)\n", dev->chip_id);
 		}
 	}
-
-	if (chip_name != default_chip_name)
-		printk(KERN_INFO DRIVER_NAME
-		       ": chip ID is %s\n", chip_name);
-
-	/*
-	 * For em2820/em2710, the name may change latter, after checking
-	 * if the device has a sensor (so, it is em2710) or not.
-	 */
-	snprintf(dev->name, sizeof(dev->name), "%s #%d", chip_name, dev->devno);
+	if (!chip_name)
+		dev_info(&dev->intf->dev,
+			 "unknown em28xx chip ID (%d)\n", dev->chip_id);
+	else
+		dev_info(&dev->intf->dev, "chip ID is %s\n", chip_name);
 
 	em28xx_media_device_init(dev, udev);
 
@@ -3360,9 +3347,9 @@ static int em28xx_init_dev(struct em28xx *dev, struct usb_device *udev,
 		/* Resets I2C speed */
 		retval = em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, dev->board.i2c_speed);
 		if (retval < 0) {
-			em28xx_errdev("%s: em28xx_write_reg failed!"
-				      " retval [%d]\n",
-				      __func__, retval);
+			dev_err(&dev->intf->dev,
+			       "%s: em28xx_write_reg failed! retval [%d]\n",
+			       __func__, retval);
 			return retval;
 		}
 	}
@@ -3375,8 +3362,9 @@ static int em28xx_init_dev(struct em28xx *dev, struct usb_device *udev,
 	else
 		retval = em28xx_i2c_register(dev, 0, EM28XX_I2C_ALGO_EM28XX);
 	if (retval < 0) {
-		em28xx_errdev("%s: em28xx_i2c_register bus 0 - error [%d]!\n",
-			      __func__, retval);
+		dev_err(&dev->intf->dev,
+			"%s: em28xx_i2c_register bus 0 - error [%d]!\n",
+		       __func__, retval);
 		return retval;
 	}
 
@@ -3389,8 +3377,9 @@ static int em28xx_init_dev(struct em28xx *dev, struct usb_device *udev,
 			retval = em28xx_i2c_register(dev, 1,
 						     EM28XX_I2C_ALGO_EM28XX);
 		if (retval < 0) {
-			em28xx_errdev("%s: em28xx_i2c_register bus 1 - error [%d]!\n",
-				      __func__, retval);
+			dev_err(&dev->intf->dev,
+			       "%s: em28xx_i2c_register bus 1 - error [%d]!\n",
+			       __func__, retval);
 
 			em28xx_i2c_unregister(dev, 0);
 
@@ -3429,7 +3418,8 @@ static int em28xx_usb_probe(struct usb_interface *interface,
 		nr = find_first_zero_bit(em28xx_devused, EM28XX_MAXBOARDS);
 		if (nr >= EM28XX_MAXBOARDS) {
 			/* No free device slots */
-			printk(DRIVER_NAME ": Supports only %i em28xx boards.\n",
+			dev_err(&interface->dev,
+				"Driver supports up to %i em28xx boards.\n",
 			       EM28XX_MAXBOARDS);
 			retval = -ENOMEM;
 			goto err_no_slot;
@@ -3438,8 +3428,8 @@ static int em28xx_usb_probe(struct usb_interface *interface,
 
 	/* Don't register audio interfaces */
 	if (interface->altsetting[0].desc.bInterfaceClass == USB_CLASS_AUDIO) {
-		em28xx_err(DRIVER_NAME " audio device (%04x:%04x): "
-			"interface %i, class %i\n",
+		dev_err(&interface->dev,
+			"audio device (%04x:%04x): interface %i, class %i\n",
 			le16_to_cpu(udev->descriptor.idVendor),
 			le16_to_cpu(udev->descriptor.idProduct),
 			ifnum,
@@ -3452,7 +3442,6 @@ static int em28xx_usb_probe(struct usb_interface *interface,
 	/* allocate memory for our device state and initialize it */
 	dev = kzalloc(sizeof(*dev), GFP_KERNEL);
 	if (dev == NULL) {
-		em28xx_err(DRIVER_NAME ": out of memory!\n");
 		retval = -ENOMEM;
 		goto err;
 	}
@@ -3462,7 +3451,6 @@ static int em28xx_usb_probe(struct usb_interface *interface,
 				kmalloc(sizeof(dev->alt_max_pkt_size_isoc[0]) *
 					interface->num_altsetting, GFP_KERNEL);
 	if (dev->alt_max_pkt_size_isoc == NULL) {
-		em28xx_errdev("out of memory!\n");
 		kfree(dev);
 		retval = -ENOMEM;
 		goto err;
@@ -3501,8 +3489,8 @@ static int em28xx_usb_probe(struct usb_interface *interface,
 					if (usb_endpoint_xfer_isoc(e)) {
 						has_vendor_audio = true;
 					} else {
-						printk(KERN_INFO DRIVER_NAME
-						": error: skipping audio endpoint 0x83, because it uses bulk transfers !\n");
+						dev_err(&interface->dev,
+							"error: skipping audio endpoint 0x83, because it uses bulk transfers !\n");
 					}
 					break;
 				case 0x84:
@@ -3575,9 +3563,8 @@ static int em28xx_usb_probe(struct usb_interface *interface,
 		speed = "unknown";
 	}
 
-	printk(KERN_INFO DRIVER_NAME
-		": New device %s %s @ %s Mbps "
-		"(%04x:%04x, interface %d, class %d)\n",
+	dev_err(&interface->dev,
+		"New device %s %s @ %s Mbps (%04x:%04x, interface %d, class %d)\n",
 		udev->manufacturer ? udev->manufacturer : "",
 		udev->product ? udev->product : "",
 		speed,
@@ -3592,9 +3579,9 @@ static int em28xx_usb_probe(struct usb_interface *interface,
 	 * not enough even for most Digital TV streams.
 	 */
 	if (udev->speed != USB_SPEED_HIGH && disable_usb_speed_check == 0) {
-		printk(DRIVER_NAME ": Device initialization failed.\n");
-		printk(DRIVER_NAME ": Device must be connected to a high-speed"
-		       " USB 2.0 port.\n");
+		dev_err(&interface->dev, "Device initialization failed.\n");
+		dev_err(&interface->dev,
+			"Device must be connected to a high-speed USB 2.0 port.\n");
 		retval = -ENODEV;
 		goto err_free;
 	}
@@ -3607,8 +3594,8 @@ static int em28xx_usb_probe(struct usb_interface *interface,
 	dev->ifnum = ifnum;
 
 	if (has_vendor_audio) {
-		printk(KERN_INFO DRIVER_NAME ": Audio interface %i found %s\n",
-		       ifnum, "(Vendor Class)");
+		dev_err(&interface->dev,
+			"Audio interface %i found (Vendor Class)\n", ifnum);
 		dev->usb_audio_type = EM28XX_USB_AUDIO_VENDOR;
 	}
 	/* Checks if audio is provided by a USB Audio Class interface */
@@ -3617,25 +3604,24 @@ static int em28xx_usb_probe(struct usb_interface *interface,
 
 		if (uif->altsetting[0].desc.bInterfaceClass == USB_CLASS_AUDIO) {
 			if (has_vendor_audio)
-				em28xx_err("em28xx: device seems to have vendor AND usb audio class interfaces !\n"
-					   "\t\tThe vendor interface will be ignored. Please contact the developers <linux-media@vger.kernel.org>\n");
+				dev_err(&interface->dev,
+					"em28xx: device seems to have vendor AND usb audio class interfaces !\n"
+				       "\t\tThe vendor interface will be ignored. Please contact the developers <linux-media@vger.kernel.org>\n");
 			dev->usb_audio_type = EM28XX_USB_AUDIO_CLASS;
 			break;
 		}
 	}
 
 	if (has_video)
-		printk(KERN_INFO DRIVER_NAME
-		       ": Video interface %i found:%s%s\n",
-		       ifnum,
-		       dev->analog_ep_bulk ? " bulk" : "",
-		       dev->analog_ep_isoc ? " isoc" : "");
+		dev_err(&interface->dev, "Video interface %i found:%s%s\n",
+			ifnum,
+			dev->analog_ep_bulk ? " bulk" : "",
+			dev->analog_ep_isoc ? " isoc" : "");
 	if (has_dvb)
-		printk(KERN_INFO DRIVER_NAME
-		       ": DVB interface %i found:%s%s\n",
-		       ifnum,
-		       dev->dvb_ep_bulk ? " bulk" : "",
-		       dev->dvb_ep_isoc ? " isoc" : "");
+		dev_err(&interface->dev, "DVB interface %i found:%s%s\n",
+			ifnum,
+			dev->dvb_ep_bulk ? " bulk" : "",
+			dev->dvb_ep_isoc ? " isoc" : "");
 
 	dev->num_alt = interface->num_altsetting;
 
@@ -3664,8 +3650,8 @@ static int em28xx_usb_probe(struct usb_interface *interface,
 	/* Disable V4L2 if the device doesn't have a decoder */
 	if (has_video &&
 	    dev->board.decoder == EM28XX_NODECODER && !dev->board.is_webcam) {
-		printk(DRIVER_NAME
-		       ": Currently, V4L2 is not supported on this model\n");
+		dev_err(&interface->dev,
+			"Currently, V4L2 is not supported on this model\n");
 		has_video = false;
 		dev->has_video = false;
 	}
@@ -3674,14 +3660,14 @@ static int em28xx_usb_probe(struct usb_interface *interface,
 	if (has_video) {
 		if (!dev->analog_ep_isoc || (try_bulk && dev->analog_ep_bulk))
 			dev->analog_xfer_bulk = 1;
-		em28xx_info("analog set to %s mode.\n",
-			    dev->analog_xfer_bulk ? "bulk" : "isoc");
+		dev_err(&interface->dev, "analog set to %s mode.\n",
+			dev->analog_xfer_bulk ? "bulk" : "isoc");
 	}
 	if (has_dvb) {
 		if (!dev->dvb_ep_isoc || (try_bulk && dev->dvb_ep_bulk))
 			dev->dvb_xfer_bulk = 1;
-		em28xx_info("dvb set to %s mode.\n",
-			    dev->dvb_xfer_bulk ? "bulk" : "isoc");
+		dev_err(&interface->dev, "dvb set to %s mode.\n",
+			dev->dvb_xfer_bulk ? "bulk" : "isoc");
 	}
 
 	kref_init(&dev->ref);
@@ -3728,7 +3714,7 @@ static void em28xx_usb_disconnect(struct usb_interface *interface)
 
 	dev->disconnected = 1;
 
-	em28xx_info("Disconnecting %s\n", dev->name);
+	dev_err(&dev->intf->dev, "Disconnecting\n");
 
 	flush_request_modules(dev);
 
diff --git a/drivers/media/usb/em28xx/em28xx-core.c b/drivers/media/usb/em28xx/em28xx-core.c
index eebd5d7088d0..19ccff41c7eb 100644
--- a/drivers/media/usb/em28xx/em28xx-core.c
+++ b/drivers/media/usb/em28xx/em28xx-core.c
@@ -22,6 +22,8 @@
    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
 
+#include "em28xx.h"
+
 #include <linux/init.h>
 #include <linux/jiffies.h>
 #include <linux/list.h>
@@ -32,8 +34,6 @@
 #include <sound/ac97_codec.h>
 #include <media/v4l2-common.h>
 
-#include "em28xx.h"
-
 #define DRIVER_AUTHOR "Ludovico Cavedon <cavedon@sssup.it>, " \
 		      "Markus Rechberger <mrechberger@gmail.com>, " \
 		      "Mauro Carvalho Chehab <mchehab@infradead.org>, " \
@@ -48,27 +48,31 @@ MODULE_VERSION(EM28XX_VERSION);
 
 static unsigned int core_debug;
 module_param(core_debug, int, 0644);
-MODULE_PARM_DESC(core_debug, "enable debug messages [core]");
+MODULE_PARM_DESC(core_debug, "enable debug messages [core and isoc]");
 
-#define em28xx_coredbg(fmt, arg...) do {\
-	if (core_debug) \
-		printk(KERN_INFO "%s %s :"fmt, \
-			 dev->name, __func__ , ##arg); } while (0)
+#define em28xx_coredbg(fmt, arg...) do {				\
+	if (core_debug)							\
+		dev_printk(KERN_DEBUG, &dev->intf->dev,			\
+			   "core: %s: " fmt, __func__, ## arg);		\
+} while (0)
 
 static unsigned int reg_debug;
 module_param(reg_debug, int, 0644);
 MODULE_PARM_DESC(reg_debug, "enable debug messages [URB reg]");
 
-#define em28xx_regdbg(fmt, arg...) do {\
-	if (reg_debug) \
-		printk(KERN_INFO "%s %s :"fmt, \
-			 dev->name, __func__ , ##arg); } while (0)
 
-/* FIXME */
-#define em28xx_isocdbg(fmt, arg...) do {\
-	if (core_debug) \
-		printk(KERN_INFO "%s %s :"fmt, \
-			 dev->name, __func__ , ##arg); } while (0)
+#define em28xx_regdbg(fmt, arg...) do {				\
+	if (reg_debug)							\
+		dev_printk(KERN_DEBUG, &dev->intf->dev,			\
+			   "reg: %s: " fmt, __func__, ## arg);		\
+} while (0)
+
+/* FIXME: don't abuse core_debug */
+#define em28xx_isocdbg(fmt, arg...) do {				\
+	if (core_debug)							\
+		dev_printk(KERN_DEBUG, &dev->intf->dev,			\
+			   "core: %s: " fmt, __func__, ## arg);		\
+} while (0)
 
 /*
  * em28xx_read_reg_req()
@@ -78,7 +82,8 @@ int em28xx_read_reg_req_len(struct em28xx *dev, u8 req, u16 reg,
 			    char *buf, int len)
 {
 	int ret;
-	int pipe = usb_rcvctrlpipe(dev->udev, 0);
+	struct usb_device *udev = interface_to_usbdev(dev->intf);
+	int pipe = usb_rcvctrlpipe(udev, 0);
 
 	if (dev->disconnected)
 		return -ENODEV;
@@ -86,23 +91,22 @@ int em28xx_read_reg_req_len(struct em28xx *dev, u8 req, u16 reg,
 	if (len > URB_MAX_CTRL_SIZE)
 		return -EINVAL;
 
-	if (reg_debug) {
-		printk(KERN_DEBUG "(pipe 0x%08x): "
-			"IN:  %02x %02x %02x %02x %02x %02x %02x %02x ",
-			pipe,
-			USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
-			req, 0, 0,
-			reg & 0xff, reg >> 8,
-			len & 0xff, len >> 8);
-	}
+	em28xx_regdbg("(pipe 0x%08x): IN:  %02x %02x %02x %02x %02x %02x %02x %02x ",
+		     pipe, USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
+		     req, 0, 0,
+		     reg & 0xff, reg >> 8,
+		     len & 0xff, len >> 8);
 
 	mutex_lock(&dev->ctrl_urb_lock);
-	ret = usb_control_msg(dev->udev, pipe, req,
+	ret = usb_control_msg(udev, pipe, req,
 			      USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
 			      0x0000, reg, dev->urb_buf, len, HZ);
 	if (ret < 0) {
-		if (reg_debug)
-			printk(" failed!\n");
+		em28xx_regdbg("(pipe 0x%08x): IN:  %02x %02x %02x %02x %02x %02x %02x %02x  failed\n",
+			     pipe, USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
+			     req, 0, 0,
+			     reg & 0xff, reg >> 8,
+			     len & 0xff, len >> 8);
 		mutex_unlock(&dev->ctrl_urb_lock);
 		return usb_translate_errors(ret);
 	}
@@ -112,14 +116,11 @@ int em28xx_read_reg_req_len(struct em28xx *dev, u8 req, u16 reg,
 
 	mutex_unlock(&dev->ctrl_urb_lock);
 
-	if (reg_debug) {
-		int byte;
-
-		printk("<<<");
-		for (byte = 0; byte < len; byte++)
-			printk(" %02x", (unsigned char)buf[byte]);
-		printk("\n");
-	}
+	em28xx_regdbg("(pipe 0x%08x): IN:  %02x %02x %02x %02x %02x %02x %02x %02x  failed <<< %*ph\n",
+		     pipe, USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
+		     req, 0, 0,
+		     reg & 0xff, reg >> 8,
+		     len & 0xff, len >> 8, len, buf);
 
 	return ret;
 }
@@ -154,7 +155,8 @@ int em28xx_write_regs_req(struct em28xx *dev, u8 req, u16 reg, char *buf,
 			  int len)
 {
 	int ret;
-	int pipe = usb_sndctrlpipe(dev->udev, 0);
+	struct usb_device *udev = interface_to_usbdev(dev->intf);
+	int pipe = usb_sndctrlpipe(udev, 0);
 
 	if (dev->disconnected)
 		return -ENODEV;
@@ -162,25 +164,16 @@ int em28xx_write_regs_req(struct em28xx *dev, u8 req, u16 reg, char *buf,
 	if ((len < 1) || (len > URB_MAX_CTRL_SIZE))
 		return -EINVAL;
 
-	if (reg_debug) {
-		int byte;
-
-		printk(KERN_DEBUG "(pipe 0x%08x): "
-			"OUT: %02x %02x %02x %02x %02x %02x %02x %02x >>>",
-			pipe,
-			USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
-			req, 0, 0,
-			reg & 0xff, reg >> 8,
-			len & 0xff, len >> 8);
-
-		for (byte = 0; byte < len; byte++)
-			printk(" %02x", (unsigned char)buf[byte]);
-		printk("\n");
-	}
+	em28xx_regdbg("(pipe 0x%08x): OUT: %02x %02x %02x %02x %02x %02x %02x %02x >>> %*ph\n",
+		      pipe,
+		      USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
+		      req, 0, 0,
+		      reg & 0xff, reg >> 8,
+		      len & 0xff, len >> 8, len, buf);
 
 	mutex_lock(&dev->ctrl_urb_lock);
 	memcpy(dev->urb_buf, buf, len);
-	ret = usb_control_msg(dev->udev, pipe, req,
+	ret = usb_control_msg(udev, pipe, req,
 			      USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
 			      0x0000, reg, dev->urb_buf, len, HZ);
 	mutex_unlock(&dev->ctrl_urb_lock);
@@ -267,7 +260,8 @@ static int em28xx_is_ac97_ready(struct em28xx *dev)
 		msleep(5);
 	}
 
-	em28xx_warn("AC97 command still being executed: not handled properly!\n");
+	dev_warn(&dev->intf->dev,
+		 "AC97 command still being executed: not handled properly!\n");
 	return -EBUSY;
 }
 
@@ -360,8 +354,9 @@ static int set_ac97_input(struct em28xx *dev)
 			ret = em28xx_write_ac97(dev, inputs[i].reg, 0x8000);
 
 		if (ret < 0)
-			em28xx_warn("couldn't setup AC97 register %d\n",
-				    inputs[i].reg);
+			dev_warn(&dev->intf->dev,
+				 "couldn't setup AC97 register %d\n",
+				 inputs[i].reg);
 	}
 	return 0;
 }
@@ -444,8 +439,9 @@ int em28xx_audio_analog_set(struct em28xx *dev)
 		for (i = 0; i < ARRAY_SIZE(outputs); i++) {
 			ret = em28xx_write_ac97(dev, outputs[i].reg, 0x8000);
 			if (ret < 0)
-				em28xx_warn("couldn't setup AC97 register %d\n",
-					    outputs[i].reg);
+				dev_warn(&dev->intf->dev,
+					 "couldn't setup AC97 register %d\n",
+					 outputs[i].reg);
 		}
 	}
 
@@ -482,8 +478,9 @@ int em28xx_audio_analog_set(struct em28xx *dev)
 				ret = em28xx_write_ac97(dev, outputs[i].reg,
 							vol);
 			if (ret < 0)
-				em28xx_warn("couldn't setup AC97 register %d\n",
-					    outputs[i].reg);
+				dev_warn(&dev->intf->dev,
+					 "couldn't setup AC97 register %d\n",
+					 outputs[i].reg);
 		}
 
 		if (dev->ctl_aoutput & EM28XX_AOUT_PCM_IN) {
@@ -519,7 +516,7 @@ int em28xx_audio_setup(struct em28xx *dev)
 
 	/* See how this device is configured */
 	cfg = em28xx_read_reg(dev, EM28XX_R00_CHIPCFG);
-	em28xx_info("Config register raw data: 0x%02x\n", cfg);
+	dev_info(&dev->intf->dev, "Config register raw data: 0x%02x\n", cfg);
 	if (cfg < 0) { /* Register read error */
 		/* Be conservative */
 		dev->int_audio_type = EM28XX_INT_AUDIO_AC97;
@@ -540,8 +537,8 @@ int em28xx_audio_setup(struct em28xx *dev)
 			i2s_samplerates = 5;
 		else
 			i2s_samplerates = 3;
-		em28xx_info("I2S Audio (%d sample rate(s))\n",
-			    i2s_samplerates);
+		dev_info(&dev->intf->dev, "I2S Audio (%d sample rate(s))\n",
+			i2s_samplerates);
 		/* Skip the code that does AC97 vendor detection */
 		dev->audio_mode.ac97 = EM28XX_NO_AC97;
 		goto init_audio;
@@ -558,7 +555,8 @@ int em28xx_audio_setup(struct em28xx *dev)
 		 * Note: (some) em2800 devices without eeprom reports 0x91 on
 		 *	 CHIPCFG register, even not having an AC97 chip
 		 */
-		em28xx_warn("AC97 chip type couldn't be determined\n");
+		dev_warn(&dev->intf->dev,
+			 "AC97 chip type couldn't be determined\n");
 		dev->audio_mode.ac97 = EM28XX_NO_AC97;
 		if (dev->usb_audio_type == EM28XX_USB_AUDIO_VENDOR)
 			dev->usb_audio_type = EM28XX_USB_AUDIO_NONE;
@@ -571,13 +569,13 @@ int em28xx_audio_setup(struct em28xx *dev)
 		goto init_audio;
 
 	vid = vid1 << 16 | vid2;
-	em28xx_warn("AC97 vendor ID = 0x%08x\n", vid);
+	dev_warn(&dev->intf->dev, "AC97 vendor ID = 0x%08x\n", vid);
 
 	feat = em28xx_read_ac97(dev, AC97_RESET);
 	if (feat < 0)
 		goto init_audio;
 
-	em28xx_warn("AC97 features = 0x%04x\n", feat);
+	dev_warn(&dev->intf->dev, "AC97 features = 0x%04x\n", feat);
 
 	/* Try to identify what audio processor we have */
 	if (((vid == 0xffffffff) || (vid == 0x83847650)) && (feat == 0x6a90))
@@ -589,17 +587,20 @@ init_audio:
 	/* Reports detected AC97 processor */
 	switch (dev->audio_mode.ac97) {
 	case EM28XX_NO_AC97:
-		em28xx_info("No AC97 audio processor\n");
+		dev_info(&dev->intf->dev, "No AC97 audio processor\n");
 		break;
 	case EM28XX_AC97_EM202:
-		em28xx_info("Empia 202 AC97 audio processor detected\n");
+		dev_info(&dev->intf->dev,
+			 "Empia 202 AC97 audio processor detected\n");
 		break;
 	case EM28XX_AC97_SIGMATEL:
-		em28xx_info("Sigmatel audio processor detected (stac 97%02x)\n",
-			    vid & 0xff);
+		dev_info(&dev->intf->dev,
+			 "Sigmatel audio processor detected (stac 97%02x)\n",
+			 vid & 0xff);
 		break;
 	case EM28XX_AC97_OTHER:
-		em28xx_warn("Unknown AC97 audio processor detected!\n");
+		dev_warn(&dev->intf->dev,
+			 "Unknown AC97 audio processor detected!\n");
 		break;
 	default:
 		break;
@@ -798,6 +799,7 @@ void em28xx_uninit_usb_xfer(struct em28xx *dev, enum em28xx_mode mode)
 {
 	struct urb *urb;
 	struct em28xx_usb_bufs *usb_bufs;
+	struct usb_device *udev = interface_to_usbdev(dev->intf);
 	int i;
 
 	em28xx_isocdbg("em28xx: called em28xx_uninit_usb_xfer in mode %d\n",
@@ -817,7 +819,7 @@ void em28xx_uninit_usb_xfer(struct em28xx *dev, enum em28xx_mode mode)
 				usb_unlink_urb(urb);
 
 			if (usb_bufs->transfer_buffer[i]) {
-				usb_free_coherent(dev->udev,
+				usb_free_coherent(udev,
 						  urb->transfer_buffer_length,
 						  usb_bufs->transfer_buffer[i],
 						  urb->transfer_dma);
@@ -871,9 +873,10 @@ int em28xx_alloc_urbs(struct em28xx *dev, enum em28xx_mode mode, int xfer_bulk,
 		      int num_bufs, int max_pkt_size, int packet_multiplier)
 {
 	struct em28xx_usb_bufs *usb_bufs;
+	struct urb *urb;
+	struct usb_device *udev = interface_to_usbdev(dev->intf);
 	int i;
 	int sb_size, pipe;
-	struct urb *urb;
 	int j, k;
 
 	em28xx_isocdbg("em28xx: called em28xx_alloc_isoc in mode %d\n", mode);
@@ -883,21 +886,23 @@ int em28xx_alloc_urbs(struct em28xx *dev, enum em28xx_mode mode, int xfer_bulk,
 	if (mode == EM28XX_DIGITAL_MODE) {
 		if ((xfer_bulk && !dev->dvb_ep_bulk) ||
 		    (!xfer_bulk && !dev->dvb_ep_isoc)) {
-			em28xx_errdev("no endpoint for DVB mode and transfer type %d\n",
-				      xfer_bulk > 0);
+			dev_err(&dev->intf->dev,
+				"no endpoint for DVB mode and transfer type %d\n",
+				xfer_bulk > 0);
 			return -EINVAL;
 		}
 		usb_bufs = &dev->usb_ctl.digital_bufs;
 	} else if (mode == EM28XX_ANALOG_MODE) {
 		if ((xfer_bulk && !dev->analog_ep_bulk) ||
 		    (!xfer_bulk && !dev->analog_ep_isoc)) {
-			em28xx_errdev("no endpoint for analog mode and transfer type %d\n",
-				      xfer_bulk > 0);
+			dev_err(&dev->intf->dev,
+				"no endpoint for analog mode and transfer type %d\n",
+				xfer_bulk > 0);
 			return -EINVAL;
 		}
 		usb_bufs = &dev->usb_ctl.analog_bufs;
 	} else {
-		em28xx_errdev("invalid mode selected\n");
+		dev_err(&dev->intf->dev, "invalid mode selected\n");
 		return -EINVAL;
 	}
 
@@ -907,15 +912,12 @@ int em28xx_alloc_urbs(struct em28xx *dev, enum em28xx_mode mode, int xfer_bulk,
 	usb_bufs->num_bufs = num_bufs;
 
 	usb_bufs->urb = kzalloc(sizeof(void *)*num_bufs,  GFP_KERNEL);
-	if (!usb_bufs->urb) {
-		em28xx_errdev("cannot alloc memory for usb buffers\n");
+	if (!usb_bufs->urb)
 		return -ENOMEM;
-	}
 
 	usb_bufs->transfer_buffer = kzalloc(sizeof(void *)*num_bufs,
 					     GFP_KERNEL);
 	if (!usb_bufs->transfer_buffer) {
-		em28xx_errdev("cannot allocate memory for usb transfer\n");
 		kfree(usb_bufs->urb);
 		return -ENOMEM;
 	}
@@ -939,33 +941,33 @@ int em28xx_alloc_urbs(struct em28xx *dev, enum em28xx_mode mode, int xfer_bulk,
 		}
 		usb_bufs->urb[i] = urb;
 
-		usb_bufs->transfer_buffer[i] = usb_alloc_coherent(dev->udev,
+		usb_bufs->transfer_buffer[i] = usb_alloc_coherent(udev,
 			sb_size, GFP_KERNEL, &urb->transfer_dma);
 		if (!usb_bufs->transfer_buffer[i]) {
-			em28xx_err("unable to allocate %i bytes for transfer"
-					" buffer %i%s\n",
-					sb_size, i,
-					in_interrupt() ? " while in int" : "");
+			dev_err(&dev->intf->dev,
+				"unable to allocate %i bytes for transfer buffer %i%s\n",
+			       sb_size, i,
+			       in_interrupt() ? " while in int" : "");
 			em28xx_uninit_usb_xfer(dev, mode);
 			return -ENOMEM;
 		}
 		memset(usb_bufs->transfer_buffer[i], 0, sb_size);
 
 		if (xfer_bulk) { /* bulk */
-			pipe = usb_rcvbulkpipe(dev->udev,
+			pipe = usb_rcvbulkpipe(udev,
 					       mode == EM28XX_ANALOG_MODE ?
 					       dev->analog_ep_bulk :
 					       dev->dvb_ep_bulk);
-			usb_fill_bulk_urb(urb, dev->udev, pipe,
+			usb_fill_bulk_urb(urb, udev, pipe,
 					  usb_bufs->transfer_buffer[i], sb_size,
 					  em28xx_irq_callback, dev);
 			urb->transfer_flags = URB_NO_TRANSFER_DMA_MAP;
 		} else { /* isoc */
-			pipe = usb_rcvisocpipe(dev->udev,
+			pipe = usb_rcvisocpipe(udev,
 					       mode == EM28XX_ANALOG_MODE ?
 					       dev->analog_ep_isoc :
 					       dev->dvb_ep_isoc);
-			usb_fill_int_urb(urb, dev->udev, pipe,
+			usb_fill_int_urb(urb, udev, pipe,
 					 usb_bufs->transfer_buffer[i], sb_size,
 					 em28xx_irq_callback, dev, 1);
 			urb->transfer_flags = URB_ISO_ASAP |
@@ -997,6 +999,7 @@ int em28xx_init_usb_xfer(struct em28xx *dev, enum em28xx_mode mode,
 	struct em28xx_dmaqueue *dma_q = &dev->vidq;
 	struct em28xx_dmaqueue *vbi_dma_q = &dev->vbiq;
 	struct em28xx_usb_bufs *usb_bufs;
+	struct usb_device *udev = interface_to_usbdev(dev->intf);
 	int i;
 	int rc;
 	int alloc;
@@ -1023,10 +1026,11 @@ int em28xx_init_usb_xfer(struct em28xx *dev, enum em28xx_mode mode,
 	}
 
 	if (xfer_bulk) {
-		rc = usb_clear_halt(dev->udev, usb_bufs->urb[0]->pipe);
+		rc = usb_clear_halt(udev, usb_bufs->urb[0]->pipe);
 		if (rc < 0) {
-			em28xx_err("failed to clear USB bulk endpoint stall/halt condition (error=%i)\n",
-				   rc);
+			dev_err(&dev->intf->dev,
+				"failed to clear USB bulk endpoint stall/halt condition (error=%i)\n",
+			       rc);
 			em28xx_uninit_usb_xfer(dev, mode);
 			return rc;
 		}
@@ -1041,8 +1045,8 @@ int em28xx_init_usb_xfer(struct em28xx *dev, enum em28xx_mode mode,
 	for (i = 0; i < usb_bufs->num_bufs; i++) {
 		rc = usb_submit_urb(usb_bufs->urb[i], GFP_ATOMIC);
 		if (rc) {
-			em28xx_err("submit of urb %i failed (error=%i)\n", i,
-				   rc);
+			dev_err(&dev->intf->dev,
+				"submit of urb %i failed (error=%i)\n", i, rc);
 			em28xx_uninit_usb_xfer(dev, mode);
 			return rc;
 		}
@@ -1075,7 +1079,7 @@ int em28xx_register_extension(struct em28xx_ops *ops)
 		ops->init(dev);
 	}
 	mutex_unlock(&em28xx_devlist_mutex);
-	printk(KERN_INFO "em28xx: Registered (%s) extension\n", ops->name);
+	pr_info("em28xx: Registered (%s) extension\n", ops->name);
 	return 0;
 }
 EXPORT_SYMBOL(em28xx_register_extension);
@@ -1090,7 +1094,7 @@ void em28xx_unregister_extension(struct em28xx_ops *ops)
 	}
 	list_del(&ops->next);
 	mutex_unlock(&em28xx_devlist_mutex);
-	printk(KERN_INFO "Em28xx: Removed (%s) extension\n", ops->name);
+	pr_info("em28xx: Removed (%s) extension\n", ops->name);
 }
 EXPORT_SYMBOL(em28xx_unregister_extension);
 
@@ -1124,7 +1128,7 @@ int em28xx_suspend_extension(struct em28xx *dev)
 {
 	const struct em28xx_ops *ops = NULL;
 
-	em28xx_info("Suspending extensions\n");
+	dev_info(&dev->intf->dev, "Suspending extensions\n");
 	mutex_lock(&em28xx_devlist_mutex);
 	list_for_each_entry(ops, &em28xx_extension_devlist, next) {
 		if (ops->suspend)
@@ -1138,7 +1142,7 @@ int em28xx_resume_extension(struct em28xx *dev)
 {
 	const struct em28xx_ops *ops = NULL;
 
-	em28xx_info("Resuming extensions\n");
+	dev_info(&dev->intf->dev, "Resuming extensions\n");
 	mutex_lock(&em28xx_devlist_mutex);
 	list_for_each_entry(ops, &em28xx_extension_devlist, next) {
 		if (ops->resume)
diff --git a/drivers/media/usb/em28xx/em28xx-dvb.c b/drivers/media/usb/em28xx/em28xx-dvb.c
index 8cedef0daae4..75a75dab2e8e 100644
--- a/drivers/media/usb/em28xx/em28xx-dvb.c
+++ b/drivers/media/usb/em28xx/em28xx-dvb.c
@@ -21,11 +21,12 @@
  the Free Software Foundation; either version 2 of the License.
  */
 
+#include "em28xx.h"
+
 #include <linux/kernel.h>
 #include <linux/slab.h>
 #include <linux/usb.h>
 
-#include "em28xx.h"
 #include <media/v4l2-common.h>
 #include <dvb_demux.h>
 #include <dvb_net.h>
@@ -72,9 +73,10 @@ MODULE_PARM_DESC(debug, "enable debug messages [dvb]");
 
 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
 
-#define dprintk(level, fmt, arg...) do {			\
-if (debug >= level)						\
-	printk(KERN_DEBUG "%s/2-dvb: " fmt, dev->name, ## arg);	\
+#define dprintk(level, fmt, arg...) do {				\
+	if (debug >= level)						\
+		dev_printk(KERN_DEBUG, &dev->intf->dev,			\
+			   "dvb: " fmt, ## arg);			\
 } while (0)
 
 struct em28xx_dvb {
@@ -196,6 +198,7 @@ static int em28xx_start_streaming(struct em28xx_dvb *dvb)
 	int rc;
 	struct em28xx_i2c_bus *i2c_bus = dvb->adapter.priv;
 	struct em28xx *dev = i2c_bus->dev;
+	struct usb_device *udev = interface_to_usbdev(dev->intf);
 	int dvb_max_packet_size, packet_multiplier, dvb_alt;
 
 	if (dev->dvb_xfer_bulk) {
@@ -214,7 +217,7 @@ static int em28xx_start_streaming(struct em28xx_dvb *dvb)
 		dvb_alt = dev->dvb_alt_isoc;
 	}
 
-	usb_set_interface(dev->udev, dev->ifnum, dvb_alt);
+	usb_set_interface(udev, dev->ifnum, dvb_alt);
 	rc = em28xx_set_mode(dev, EM28XX_DIGITAL_MODE);
 	if (rc < 0)
 		return rc;
@@ -734,13 +737,13 @@ static int em28xx_pctv_290e_set_lna(struct dvb_frontend *fe)
 
 	ret = gpio_request_one(dvb->lna_gpio, flags, NULL);
 	if (ret)
-		em28xx_errdev("gpio request failed %d\n", ret);
+		dev_err(&dev->intf->dev, "gpio request failed %d\n", ret);
 	else
 		gpio_free(dvb->lna_gpio);
 
 	return ret;
 #else
-	dev_warn(&dev->udev->dev, "%s: LNA control is disabled (lna=%u)\n",
+	dev_warn(&dev->intf->dev, "%s: LNA control is disabled (lna=%u)\n",
 		 KBUILD_MODNAME, c->lna);
 	return 0;
 #endif
@@ -934,20 +937,20 @@ static int em28xx_attach_xc3028(u8 addr, struct em28xx *dev)
 	cfg.ctrl  = &ctl;
 
 	if (!dev->dvb->fe[0]) {
-		em28xx_errdev("/2: dvb frontend not attached. "
-				"Can't attach xc3028\n");
+		dev_err(&dev->intf->dev,
+			"dvb frontend not attached. Can't attach xc3028\n");
 		return -EINVAL;
 	}
 
 	fe = dvb_attach(xc2028_attach, dev->dvb->fe[0], &cfg);
 	if (!fe) {
-		em28xx_errdev("/2: xc3028 attach failed\n");
+		dev_err(&dev->intf->dev, "xc3028 attach failed\n");
 		dvb_frontend_detach(dev->dvb->fe[0]);
 		dev->dvb->fe[0] = NULL;
 		return -EINVAL;
 	}
 
-	em28xx_info("%s/2: xc3028 attached\n", dev->name);
+	dev_info(&dev->intf->dev, "xc3028 attached\n");
 
 	return 0;
 }
@@ -963,11 +966,13 @@ static int em28xx_register_dvb(struct em28xx_dvb *dvb, struct module *module,
 	mutex_init(&dvb->lock);
 
 	/* register adapter */
-	result = dvb_register_adapter(&dvb->adapter, dev->name, module, device,
-				      adapter_nr);
+	result = dvb_register_adapter(&dvb->adapter,
+				      dev_name(&dev->intf->dev), module,
+				      device, adapter_nr);
 	if (result < 0) {
-		printk(KERN_WARNING "%s: dvb_register_adapter failed (errno = %d)\n",
-		       dev->name, result);
+		dev_warn(&dev->intf->dev,
+			 "dvb_register_adapter failed (errno = %d)\n",
+			 result);
 		goto fail_adapter;
 	}
 #ifdef CONFIG_MEDIA_CONTROLLER_DVB
@@ -984,8 +989,9 @@ static int em28xx_register_dvb(struct em28xx_dvb *dvb, struct module *module,
 	/* register frontend */
 	result = dvb_register_frontend(&dvb->adapter, dvb->fe[0]);
 	if (result < 0) {
-		printk(KERN_WARNING "%s: dvb_register_frontend failed (errno = %d)\n",
-		       dev->name, result);
+		dev_warn(&dev->intf->dev,
+			 "dvb_register_frontend failed (errno = %d)\n",
+			 result);
 		goto fail_frontend0;
 	}
 
@@ -993,8 +999,9 @@ static int em28xx_register_dvb(struct em28xx_dvb *dvb, struct module *module,
 	if (dvb->fe[1]) {
 		result = dvb_register_frontend(&dvb->adapter, dvb->fe[1]);
 		if (result < 0) {
-			printk(KERN_WARNING "%s: 2nd dvb_register_frontend failed (errno = %d)\n",
-			       dev->name, result);
+			dev_warn(&dev->intf->dev,
+				 "2nd dvb_register_frontend failed (errno = %d)\n",
+				 result);
 			goto fail_frontend1;
 		}
 	}
@@ -1011,8 +1018,9 @@ static int em28xx_register_dvb(struct em28xx_dvb *dvb, struct module *module,
 
 	result = dvb_dmx_init(&dvb->demux);
 	if (result < 0) {
-		printk(KERN_WARNING "%s: dvb_dmx_init failed (errno = %d)\n",
-		       dev->name, result);
+		dev_warn(&dev->intf->dev,
+			 "dvb_dmx_init failed (errno = %d)\n",
+			 result);
 		goto fail_dmx;
 	}
 
@@ -1021,31 +1029,35 @@ static int em28xx_register_dvb(struct em28xx_dvb *dvb, struct module *module,
 	dvb->dmxdev.capabilities = 0;
 	result = dvb_dmxdev_init(&dvb->dmxdev, &dvb->adapter);
 	if (result < 0) {
-		printk(KERN_WARNING "%s: dvb_dmxdev_init failed (errno = %d)\n",
-		       dev->name, result);
+		dev_warn(&dev->intf->dev,
+			 "dvb_dmxdev_init failed (errno = %d)\n",
+			 result);
 		goto fail_dmxdev;
 	}
 
 	dvb->fe_hw.source = DMX_FRONTEND_0;
 	result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_hw);
 	if (result < 0) {
-		printk(KERN_WARNING "%s: add_frontend failed (DMX_FRONTEND_0, errno = %d)\n",
-		       dev->name, result);
+		dev_warn(&dev->intf->dev,
+			 "add_frontend failed (DMX_FRONTEND_0, errno = %d)\n",
+			 result);
 		goto fail_fe_hw;
 	}
 
 	dvb->fe_mem.source = DMX_MEMORY_FE;
 	result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_mem);
 	if (result < 0) {
-		printk(KERN_WARNING "%s: add_frontend failed (DMX_MEMORY_FE, errno = %d)\n",
-		       dev->name, result);
+		dev_warn(&dev->intf->dev,
+			 "add_frontend failed (DMX_MEMORY_FE, errno = %d)\n",
+			 result);
 		goto fail_fe_mem;
 	}
 
 	result = dvb->demux.dmx.connect_frontend(&dvb->demux.dmx, &dvb->fe_hw);
 	if (result < 0) {
-		printk(KERN_WARNING "%s: connect_frontend failed (errno = %d)\n",
-		       dev->name, result);
+		dev_warn(&dev->intf->dev,
+			 "connect_frontend failed (errno = %d)\n",
+			 result);
 		goto fail_fe_conn;
 	}
 
@@ -1117,13 +1129,12 @@ static int em28xx_dvb_init(struct em28xx *dev)
 		return 0;
 	}
 
-	em28xx_info("Binding DVB extension\n");
+	dev_info(&dev->intf->dev, "Binding DVB extension\n");
 
 	dvb = kzalloc(sizeof(struct em28xx_dvb), GFP_KERNEL);
-	if (dvb == NULL) {
-		em28xx_info("em28xx_dvb: memory allocation failed\n");
+	if (!dvb)
 		return -ENOMEM;
-	}
+
 	dev->dvb = dvb;
 	dvb->fe[0] = dvb->fe[1] = NULL;
 
@@ -1142,7 +1153,8 @@ static int em28xx_dvb_init(struct em28xx *dev)
 					   EM28XX_DVB_NUM_ISOC_PACKETS);
 	}
 	if (result) {
-		em28xx_errdev("em28xx_dvb: failed to pre-allocate USB transfer buffers for DVB.\n");
+		dev_err(&dev->intf->dev,
+			"failed to pre-allocate USB transfer buffers for DVB.\n");
 		kfree(dvb);
 		dev->dvb = NULL;
 		return result;
@@ -1259,7 +1271,8 @@ static int em28xx_dvb_init(struct em28xx *dev)
 	case EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900_R2:
 	case EM2882_BOARD_PINNACLE_HYBRID_PRO_330E:
 		dvb->fe[0] = dvb_attach(drxd_attach, &em28xx_drxd, NULL,
-					   &dev->i2c_adap[dev->def_i2c_bus], &dev->udev->dev);
+					&dev->i2c_adap[dev->def_i2c_bus],
+					&dev->intf->dev);
 		if (em28xx_attach_xc3028(0x61, dev) < 0) {
 			result = -EINVAL;
 			goto out_free;
@@ -1321,8 +1334,9 @@ static int em28xx_dvb_init(struct em28xx *dev)
 			result = gpio_request_one(dvb->lna_gpio,
 						  GPIOF_OUT_INIT_LOW, NULL);
 			if (result)
-				em28xx_errdev("gpio request failed %d\n",
-					      result);
+				dev_err(&dev->intf->dev,
+					"gpio request failed %d\n",
+					result);
 			else
 				gpio_free(dvb->lna_gpio);
 
@@ -1937,12 +1951,12 @@ static int em28xx_dvb_init(struct em28xx *dev)
 		}
 		break;
 	default:
-		em28xx_errdev("/2: The frontend of your DVB/ATSC card"
-				" isn't supported yet\n");
+		dev_err(&dev->intf->dev,
+			"The frontend of your DVB/ATSC card isn't supported yet\n");
 		break;
 	}
 	if (NULL == dvb->fe[0]) {
-		em28xx_errdev("/2: frontend initialization failed\n");
+		dev_err(&dev->intf->dev, "frontend initialization failed\n");
 		result = -EINVAL;
 		goto out_free;
 	}
@@ -1952,12 +1966,12 @@ static int em28xx_dvb_init(struct em28xx *dev)
 		dvb->fe[1]->callback = em28xx_tuner_callback;
 
 	/* register everything */
-	result = em28xx_register_dvb(dvb, THIS_MODULE, dev, &dev->udev->dev);
+	result = em28xx_register_dvb(dvb, THIS_MODULE, dev, &dev->intf->dev);
 
 	if (result < 0)
 		goto out_free;
 
-	em28xx_info("DVB extension successfully initialized\n");
+	dev_info(&dev->intf->dev, "DVB extension successfully initialized\n");
 
 	kref_get(&dev->ref);
 
@@ -1997,7 +2011,7 @@ static int em28xx_dvb_fini(struct em28xx *dev)
 	if (!dev->dvb)
 		return 0;
 
-	em28xx_info("Closing DVB extension\n");
+	dev_info(&dev->intf->dev, "Closing DVB extension\n");
 
 	dvb = dev->dvb;
 
@@ -2055,17 +2069,17 @@ static int em28xx_dvb_suspend(struct em28xx *dev)
 	if (!dev->board.has_dvb)
 		return 0;
 
-	em28xx_info("Suspending DVB extension\n");
+	dev_info(&dev->intf->dev, "Suspending DVB extension\n");
 	if (dev->dvb) {
 		struct em28xx_dvb *dvb = dev->dvb;
 
 		if (dvb->fe[0]) {
 			ret = dvb_frontend_suspend(dvb->fe[0]);
-			em28xx_info("fe0 suspend %d\n", ret);
+			dev_info(&dev->intf->dev, "fe0 suspend %d\n", ret);
 		}
 		if (dvb->fe[1]) {
 			dvb_frontend_suspend(dvb->fe[1]);
-			em28xx_info("fe1 suspend %d\n", ret);
+			dev_info(&dev->intf->dev, "fe1 suspend %d\n", ret);
 		}
 	}
 
@@ -2082,18 +2096,18 @@ static int em28xx_dvb_resume(struct em28xx *dev)
 	if (!dev->board.has_dvb)
 		return 0;
 
-	em28xx_info("Resuming DVB extension\n");
+	dev_info(&dev->intf->dev, "Resuming DVB extension\n");
 	if (dev->dvb) {
 		struct em28xx_dvb *dvb = dev->dvb;
 
 		if (dvb->fe[0]) {
 			ret = dvb_frontend_resume(dvb->fe[0]);
-			em28xx_info("fe0 resume %d\n", ret);
+			dev_info(&dev->intf->dev, "fe0 resume %d\n", ret);
 		}
 
 		if (dvb->fe[1]) {
 			ret = dvb_frontend_resume(dvb->fe[1]);
-			em28xx_info("fe1 resume %d\n", ret);
+			dev_info(&dev->intf->dev, "fe1 resume %d\n", ret);
 		}
 	}
 
diff --git a/drivers/media/usb/em28xx/em28xx-i2c.c b/drivers/media/usb/em28xx/em28xx-i2c.c
index 8b690ac908a4..8c472d5adb50 100644
--- a/drivers/media/usb/em28xx/em28xx-i2c.c
+++ b/drivers/media/usb/em28xx/em28xx-i2c.c
@@ -22,13 +22,14 @@
    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
 
+#include "em28xx.h"
+
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/usb.h>
 #include <linux/i2c.h>
 #include <linux/jiffies.h>
 
-#include "em28xx.h"
 #include "tuner-xc2028.h"
 #include <media/v4l2-common.h>
 #include <media/tuner.h>
@@ -43,6 +44,13 @@ static unsigned int i2c_debug;
 module_param(i2c_debug, int, 0644);
 MODULE_PARM_DESC(i2c_debug, "i2c debug message level (1: normal debug, 2: show I2C transfers)");
 
+#define dprintk(level, fmt, arg...) do {				\
+	if (i2c_debug > level)						\
+		dev_printk(KERN_DEBUG, &dev->intf->dev,			\
+			   "i2c: %s: " fmt, __func__, ## arg);		\
+} while (0)
+
+
 /*
  * em2800_i2c_send_bytes()
  * send up to 4 bytes to the em2800 i2c device
@@ -70,7 +78,8 @@ static int em2800_i2c_send_bytes(struct em28xx *dev, u8 addr, u8 *buf, u16 len)
 	/* trigger write */
 	ret = dev->em28xx_write_regs(dev, 4 - len, &b2[4 - len], 2 + len);
 	if (ret != 2 + len) {
-		em28xx_warn("failed to trigger write to i2c address 0x%x (error=%i)\n",
+		dev_warn(&dev->intf->dev,
+			 "failed to trigger write to i2c address 0x%x (error=%i)\n",
 			    addr, ret);
 		return (ret < 0) ? ret : -EIO;
 	}
@@ -80,20 +89,18 @@ static int em2800_i2c_send_bytes(struct em28xx *dev, u8 addr, u8 *buf, u16 len)
 		if (ret == 0x80 + len - 1)
 			return len;
 		if (ret == 0x94 + len - 1) {
-			if (i2c_debug == 1)
-				em28xx_warn("R05 returned 0x%02x: I2C ACK error\n",
-					    ret);
+			dprintk(1, "R05 returned 0x%02x: I2C ACK error\n", ret);
 			return -ENXIO;
 		}
 		if (ret < 0) {
-			em28xx_warn("failed to get i2c transfer status from bridge register (error=%i)\n",
-				    ret);
+			dev_warn(&dev->intf->dev,
+				 "failed to get i2c transfer status from bridge register (error=%i)\n",
+				ret);
 			return ret;
 		}
 		msleep(5);
 	}
-	if (i2c_debug)
-		em28xx_warn("write to i2c device at 0x%x timed out\n", addr);
+	dprintk(0, "write to i2c device at 0x%x timed out\n", addr);
 	return -ETIMEDOUT;
 }
 
@@ -116,8 +123,9 @@ static int em2800_i2c_recv_bytes(struct em28xx *dev, u8 addr, u8 *buf, u16 len)
 	buf2[0] = addr;
 	ret = dev->em28xx_write_regs(dev, 0x04, buf2, 2);
 	if (ret != 2) {
-		em28xx_warn("failed to trigger read from i2c address 0x%x (error=%i)\n",
-			    addr, ret);
+		dev_warn(&dev->intf->dev,
+			 "failed to trigger read from i2c address 0x%x (error=%i)\n",
+			 addr, ret);
 		return (ret < 0) ? ret : -EIO;
 	}
 
@@ -127,29 +135,28 @@ static int em2800_i2c_recv_bytes(struct em28xx *dev, u8 addr, u8 *buf, u16 len)
 		if (ret == 0x84 + len - 1)
 			break;
 		if (ret == 0x94 + len - 1) {
-			if (i2c_debug == 1)
-				em28xx_warn("R05 returned 0x%02x: I2C ACK error\n",
-					    ret);
+			dprintk(1, "R05 returned 0x%02x: I2C ACK error\n",
+				ret);
 			return -ENXIO;
 		}
 		if (ret < 0) {
-			em28xx_warn("failed to get i2c transfer status from bridge register (error=%i)\n",
-				    ret);
+			dev_warn(&dev->intf->dev,
+				 "failed to get i2c transfer status from bridge register (error=%i)\n",
+				 ret);
 			return ret;
 		}
 		msleep(5);
 	}
 	if (ret != 0x84 + len - 1) {
-		if (i2c_debug)
-			em28xx_warn("read from i2c device at 0x%x timed out\n",
-				    addr);
+		dprintk(0, "read from i2c device at 0x%x timed out\n", addr);
 	}
 
 	/* get the received message */
 	ret = dev->em28xx_read_reg_req_len(dev, 0x00, 4-len, buf2, len);
 	if (ret != len) {
-		em28xx_warn("reading from i2c device at 0x%x failed: couldn't get the received message from the bridge (error=%i)\n",
-			    addr, ret);
+		dev_warn(&dev->intf->dev,
+			 "reading from i2c device at 0x%x failed: couldn't get the received message from the bridge (error=%i)\n",
+			 addr, ret);
 		return (ret < 0) ? ret : -EIO;
 	}
 	for (i = 0; i < len; i++)
@@ -193,12 +200,14 @@ static int em28xx_i2c_send_bytes(struct em28xx *dev, u16 addr, u8 *buf,
 	ret = dev->em28xx_write_regs_req(dev, stop ? 2 : 3, addr, buf, len);
 	if (ret != len) {
 		if (ret < 0) {
-			em28xx_warn("writing to i2c device at 0x%x failed (error=%i)\n",
-				    addr, ret);
+			dev_warn(&dev->intf->dev,
+				 "writing to i2c device at 0x%x failed (error=%i)\n",
+				 addr, ret);
 			return ret;
 		} else {
-			em28xx_warn("%i bytes write to i2c device at 0x%x requested, but %i bytes written\n",
-				    len, addr, ret);
+			dev_warn(&dev->intf->dev,
+				 "%i bytes write to i2c device at 0x%x requested, but %i bytes written\n",
+				 len, addr, ret);
 			return -EIO;
 		}
 	}
@@ -209,14 +218,14 @@ static int em28xx_i2c_send_bytes(struct em28xx *dev, u16 addr, u8 *buf,
 		if (ret == 0) /* success */
 			return len;
 		if (ret == 0x10) {
-			if (i2c_debug == 1)
-				em28xx_warn("I2C ACK error on writing to addr 0x%02x\n",
-					    addr);
+			dprintk(1, "I2C ACK error on writing to addr 0x%02x\n",
+				addr);
 			return -ENXIO;
 		}
 		if (ret < 0) {
-			em28xx_warn("failed to get i2c transfer status from bridge register (error=%i)\n",
-				    ret);
+			dev_warn(&dev->intf->dev,
+				 "failed to get i2c transfer status from bridge register (error=%i)\n",
+				 ret);
 			return ret;
 		}
 		msleep(5);
@@ -229,14 +238,15 @@ static int em28xx_i2c_send_bytes(struct em28xx *dev, u16 addr, u8 *buf,
 
 	if (ret == 0x02 || ret == 0x04) {
 		/* NOTE: these errors seem to be related to clock stretching */
-		if (i2c_debug)
-			em28xx_warn("write to i2c device at 0x%x timed out (status=%i)\n",
-				    addr, ret);
+		dprintk(0,
+			"write to i2c device at 0x%x timed out (status=%i)\n",
+			addr, ret);
 		return -ETIMEDOUT;
 	}
 
-	em28xx_warn("write to i2c device at 0x%x failed with unknown error (status=%i)\n",
-		    addr, ret);
+	dev_warn(&dev->intf->dev,
+		 "write to i2c device at 0x%x failed with unknown error (status=%i)\n",
+		 addr, ret);
 	return -EIO;
 }
 
@@ -258,8 +268,9 @@ static int em28xx_i2c_recv_bytes(struct em28xx *dev, u16 addr, u8 *buf, u16 len)
 	/* Read data from i2c device */
 	ret = dev->em28xx_read_reg_req_len(dev, 2, addr, buf, len);
 	if (ret < 0) {
-		em28xx_warn("reading from i2c device at 0x%x failed (error=%i)\n",
-			    addr, ret);
+		dev_warn(&dev->intf->dev,
+			 "reading from i2c device at 0x%x failed (error=%i)\n",
+			 addr, ret);
 		return ret;
 	}
 	/*
@@ -276,27 +287,28 @@ static int em28xx_i2c_recv_bytes(struct em28xx *dev, u16 addr, u8 *buf, u16 len)
 	if (ret == 0) /* success */
 		return len;
 	if (ret < 0) {
-		em28xx_warn("failed to get i2c transfer status from bridge register (error=%i)\n",
-			    ret);
+		dev_warn(&dev->intf->dev,
+			 "failed to get i2c transfer status from bridge register (error=%i)\n",
+			 ret);
 		return ret;
 	}
 	if (ret == 0x10) {
-		if (i2c_debug == 1)
-			em28xx_warn("I2C ACK error on writing to addr 0x%02x\n",
-				    addr);
+		dprintk(1, "I2C ACK error on writing to addr 0x%02x\n",
+			addr);
 		return -ENXIO;
 	}
 
 	if (ret == 0x02 || ret == 0x04) {
 		/* NOTE: these errors seem to be related to clock stretching */
-		if (i2c_debug)
-			em28xx_warn("write to i2c device at 0x%x timed out (status=%i)\n",
-				    addr, ret);
+		dprintk(0,
+			"write to i2c device at 0x%x timed out (status=%i)\n",
+			addr, ret);
 		return -ETIMEDOUT;
 	}
 
-	em28xx_warn("write to i2c device at 0x%x failed with unknown error (status=%i)\n",
-		    addr, ret);
+	dev_warn(&dev->intf->dev,
+		 "write to i2c device at 0x%x failed with unknown error (status=%i)\n",
+		 addr, ret);
 	return -EIO;
 }
 
@@ -335,12 +347,14 @@ static int em25xx_bus_B_send_bytes(struct em28xx *dev, u16 addr, u8 *buf,
 	ret = dev->em28xx_write_regs_req(dev, 0x06, addr, buf, len);
 	if (ret != len) {
 		if (ret < 0) {
-			em28xx_warn("writing to i2c device at 0x%x failed (error=%i)\n",
-				    addr, ret);
+			dev_warn(&dev->intf->dev,
+				 "writing to i2c device at 0x%x failed (error=%i)\n",
+				 addr, ret);
 			return ret;
 		} else {
-			em28xx_warn("%i bytes write to i2c device at 0x%x requested, but %i bytes written\n",
-				    len, addr, ret);
+			dev_warn(&dev->intf->dev,
+				 "%i bytes write to i2c device at 0x%x requested, but %i bytes written\n",
+				 len, addr, ret);
 			return -EIO;
 		}
 	}
@@ -353,9 +367,7 @@ static int em25xx_bus_B_send_bytes(struct em28xx *dev, u16 addr, u8 *buf,
 	if (!ret)
 		return len;
 	else if (ret > 0) {
-		if (i2c_debug == 1)
-			em28xx_warn("Bus B R08 returned 0x%02x: I2C ACK error\n",
-				    ret);
+		dprintk(1, "Bus B R08 returned 0x%02x: I2C ACK error\n", ret);
 		return -ENXIO;
 	}
 
@@ -386,8 +398,9 @@ static int em25xx_bus_B_recv_bytes(struct em28xx *dev, u16 addr, u8 *buf,
 	/* Read value */
 	ret = dev->em28xx_read_reg_req_len(dev, 0x06, addr, buf, len);
 	if (ret < 0) {
-		em28xx_warn("reading from i2c device at 0x%x failed (error=%i)\n",
-			    addr, ret);
+		dev_warn(&dev->intf->dev,
+			 "reading from i2c device at 0x%x failed (error=%i)\n",
+			 addr, ret);
 		return ret;
 	}
 	/*
@@ -408,9 +421,7 @@ static int em25xx_bus_B_recv_bytes(struct em28xx *dev, u16 addr, u8 *buf,
 	if (!ret)
 		return len;
 	else if (ret > 0) {
-		if (i2c_debug == 1)
-			em28xx_warn("Bus B R08 returned 0x%02x: I2C ACK error\n",
-				    ret);
+		dprintk(1, "Bus B R08 returned 0x%02x: I2C ACK error\n", ret);
 		return -ENXIO;
 	}
 
@@ -528,57 +539,46 @@ static int em28xx_i2c_xfer(struct i2c_adapter *i2c_adap,
 	}
 	for (i = 0; i < num; i++) {
 		addr = msgs[i].addr << 1;
-		if (i2c_debug > 1)
-			printk(KERN_DEBUG "%s at %s: %s %s addr=%02x len=%d:",
-			       dev->name, __func__ ,
-			       (msgs[i].flags & I2C_M_RD) ? "read" : "write",
-			       i == num - 1 ? "stop" : "nonstop",
-			       addr, msgs[i].len);
 		if (!msgs[i].len) {
 			/*
 			 * no len: check only for device presence
 			 * This code is only called during device probe.
 			 */
 			rc = i2c_check_for_device(i2c_bus, addr);
-			if (rc < 0) {
-				if (rc == -ENXIO) {
-					if (i2c_debug > 1)
-						printk(KERN_CONT " no device\n");
-					rc = -ENODEV;
-				} else {
-					if (i2c_debug > 1)
-						printk(KERN_CONT " ERROR: %i\n", rc);
-				}
-				rt_mutex_unlock(&dev->i2c_bus_lock);
-				return rc;
-			}
+
+			if (rc == -ENXIO)
+				rc = -ENODEV;
 		} else if (msgs[i].flags & I2C_M_RD) {
 			/* read bytes */
 			rc = i2c_recv_bytes(i2c_bus, msgs[i]);
-
-			if (i2c_debug > 1 && rc >= 0)
-				printk(KERN_CONT " %*ph",
-				       msgs[i].len, msgs[i].buf);
 		} else {
-			if (i2c_debug > 1)
-				printk(KERN_CONT " %*ph",
-				       msgs[i].len, msgs[i].buf);
-
 			/* write bytes */
 			rc = i2c_send_bytes(i2c_bus, msgs[i], i == num - 1);
 		}
-		if (rc < 0) {
-			if (i2c_debug > 1)
-				printk(KERN_CONT " ERROR: %i\n", rc);
-			rt_mutex_unlock(&dev->i2c_bus_lock);
-			return rc;
-		}
-		if (i2c_debug > 1)
-			printk(KERN_CONT "\n");
+
+		if (rc < 0)
+			goto error;
+
+		dprintk(2, "%s %s addr=%02x len=%d: %*ph\n",
+			(msgs[i].flags & I2C_M_RD) ? "read" : "write",
+			i == num - 1 ? "stop" : "nonstop",
+			addr, msgs[i].len,
+			msgs[i].len, msgs[i].buf);
 	}
 
 	rt_mutex_unlock(&dev->i2c_bus_lock);
 	return num;
+
+error:
+	dprintk(2, "%s %s addr=%02x len=%d: %sERROR: %i\n",
+		(msgs[i].flags & I2C_M_RD) ? "read" : "write",
+		i == num - 1 ? "stop" : "nonstop",
+		addr, msgs[i].len,
+		(rc == -ENODEV) ? "no device " : "",
+		rc);
+
+	rt_mutex_unlock(&dev->i2c_bus_lock);
+	return rc;
 }
 
 /*
@@ -672,7 +672,7 @@ static int em28xx_i2c_eeprom(struct em28xx *dev, unsigned bus,
 	/* Check if board has eeprom */
 	err = i2c_master_recv(&dev->i2c_client[bus], &buf, 0);
 	if (err < 0) {
-		em28xx_info("board has no eeprom\n");
+		dev_info(&dev->intf->dev, "board has no eeprom\n");
 		return -ENODEV;
 	}
 
@@ -685,17 +685,19 @@ static int em28xx_i2c_eeprom(struct em28xx *dev, unsigned bus,
 				    dev->eeprom_addrwidth_16bit,
 				    len, data);
 	if (err != len) {
-		em28xx_errdev("failed to read eeprom (err=%d)\n", err);
+		dev_err(&dev->intf->dev,
+			"failed to read eeprom (err=%d)\n", err);
 		goto error;
 	}
 
 	if (i2c_debug) {
 		/* Display eeprom content */
-		print_hex_dump(KERN_INFO, "eeprom ", DUMP_PREFIX_OFFSET,
+		print_hex_dump(KERN_DEBUG, "em28xx eeprom ", DUMP_PREFIX_OFFSET,
 			       16, 1, data, len, true);
 
 		if (dev->eeprom_addrwidth_16bit)
-			em28xx_info("eeprom %06x: ... (skipped)\n", 256);
+			dev_info(&dev->intf->dev,
+				 "eeprom %06x: ... (skipped)\n", 256);
 	}
 
 	if (dev->eeprom_addrwidth_16bit &&
@@ -707,11 +709,14 @@ static int em28xx_i2c_eeprom(struct em28xx *dev, unsigned bus,
 		dev->hash = em28xx_hash_mem(data, len, 32);
 		mc_start = (data[1] << 8) + 4;	/* usually 0x0004 */
 
-		em28xx_info("EEPROM ID = %02x %02x %02x %02x, EEPROM hash = 0x%08lx\n",
-			    data[0], data[1], data[2], data[3], dev->hash);
-		em28xx_info("EEPROM info:\n");
-		em28xx_info("\tmicrocode start address = 0x%04x, boot configuration = 0x%02x\n",
-			    mc_start, data[2]);
+		dev_info(&dev->intf->dev,
+			 "EEPROM ID = %02x %02x %02x %02x, EEPROM hash = 0x%08lx\n",
+			 data[0], data[1], data[2], data[3], dev->hash);
+		dev_info(&dev->intf->dev,
+			 "EEPROM info:\n");
+		dev_info(&dev->intf->dev,
+			 "\tmicrocode start address = 0x%04x, boot configuration = 0x%02x\n",
+			 mc_start, data[2]);
 		/*
 		 * boot configuration (address 0x0002):
 		 * [0]   microcode download speed: 1 = 400 kHz; 0 = 100 kHz
@@ -729,8 +734,9 @@ static int em28xx_i2c_eeprom(struct em28xx *dev, unsigned bus,
 		err = em28xx_i2c_read_block(dev, bus, mc_start + 46, 1, 2,
 					    data);
 		if (err != 2) {
-			em28xx_errdev("failed to read hardware configuration data from eeprom (err=%d)\n",
-				      err);
+			dev_err(&dev->intf->dev,
+				"failed to read hardware configuration data from eeprom (err=%d)\n",
+				err);
 			goto error;
 		}
 
@@ -747,8 +753,9 @@ static int em28xx_i2c_eeprom(struct em28xx *dev, unsigned bus,
 		err = em28xx_i2c_read_block(dev, bus, hwconf_offset, 1, len,
 					    data);
 		if (err != len) {
-			em28xx_errdev("failed to read hardware configuration data from eeprom (err=%d)\n",
-				      err);
+			dev_err(&dev->intf->dev,
+				"failed to read hardware configuration data from eeprom (err=%d)\n",
+				err);
 			goto error;
 		}
 
@@ -756,7 +763,8 @@ static int em28xx_i2c_eeprom(struct em28xx *dev, unsigned bus,
 		/* NOTE: not all devices provide this type of dataset */
 		if (data[0] != 0x1a || data[1] != 0xeb ||
 		    data[2] != 0x67 || data[3] != 0x95) {
-			em28xx_info("\tno hardware configuration dataset found in eeprom\n");
+			dev_info(&dev->intf->dev,
+				 "\tno hardware configuration dataset found in eeprom\n");
 			kfree(data);
 			return 0;
 		}
@@ -767,11 +775,14 @@ static int em28xx_i2c_eeprom(struct em28xx *dev, unsigned bus,
 		   data[0] == 0x1a && data[1] == 0xeb &&
 		   data[2] == 0x67 && data[3] == 0x95) {
 		dev->hash = em28xx_hash_mem(data, len, 32);
-		em28xx_info("EEPROM ID = %02x %02x %02x %02x, EEPROM hash = 0x%08lx\n",
-			    data[0], data[1], data[2], data[3], dev->hash);
-		em28xx_info("EEPROM info:\n");
+		dev_info(&dev->intf->dev,
+			 "EEPROM ID = %02x %02x %02x %02x, EEPROM hash = 0x%08lx\n",
+			 data[0], data[1], data[2], data[3], dev->hash);
+		dev_info(&dev->intf->dev,
+			 "EEPROM info:\n");
 	} else {
-		em28xx_info("unknown eeprom format or eeprom corrupted !\n");
+		dev_info(&dev->intf->dev,
+			 "unknown eeprom format or eeprom corrupted !\n");
 		err = -ENODEV;
 		goto error;
 	}
@@ -782,50 +793,55 @@ static int em28xx_i2c_eeprom(struct em28xx *dev, unsigned bus,
 
 	switch (le16_to_cpu(dev_config->chip_conf) >> 4 & 0x3) {
 	case 0:
-		em28xx_info("\tNo audio on board.\n");
+		dev_info(&dev->intf->dev, "\tNo audio on board.\n");
 		break;
 	case 1:
-		em28xx_info("\tAC97 audio (5 sample rates)\n");
+		dev_info(&dev->intf->dev, "\tAC97 audio (5 sample rates)\n");
 		break;
 	case 2:
 		if (dev->chip_id < CHIP_ID_EM2860)
-			em28xx_info("\tI2S audio, sample rate=32k\n");
+			dev_info(&dev->intf->dev,
+				 "\tI2S audio, sample rate=32k\n");
 		else
-			em28xx_info("\tI2S audio, 3 sample rates\n");
+			dev_info(&dev->intf->dev,
+				 "\tI2S audio, 3 sample rates\n");
 		break;
 	case 3:
 		if (dev->chip_id < CHIP_ID_EM2860)
-			em28xx_info("\tI2S audio, 3 sample rates\n");
+			dev_info(&dev->intf->dev,
+				 "\tI2S audio, 3 sample rates\n");
 		else
-			em28xx_info("\tI2S audio, 5 sample rates\n");
+			dev_info(&dev->intf->dev,
+				 "\tI2S audio, 5 sample rates\n");
 		break;
 	}
 
 	if (le16_to_cpu(dev_config->chip_conf) & 1 << 3)
-		em28xx_info("\tUSB Remote wakeup capable\n");
+		dev_info(&dev->intf->dev, "\tUSB Remote wakeup capable\n");
 
 	if (le16_to_cpu(dev_config->chip_conf) & 1 << 2)
-		em28xx_info("\tUSB Self power capable\n");
+		dev_info(&dev->intf->dev, "\tUSB Self power capable\n");
 
 	switch (le16_to_cpu(dev_config->chip_conf) & 0x3) {
 	case 0:
-		em28xx_info("\t500mA max power\n");
+		dev_info(&dev->intf->dev, "\t500mA max power\n");
 		break;
 	case 1:
-		em28xx_info("\t400mA max power\n");
+		dev_info(&dev->intf->dev, "\t400mA max power\n");
 		break;
 	case 2:
-		em28xx_info("\t300mA max power\n");
+		dev_info(&dev->intf->dev, "\t300mA max power\n");
 		break;
 	case 3:
-		em28xx_info("\t200mA max power\n");
+		dev_info(&dev->intf->dev, "\t200mA max power\n");
 		break;
 	}
-	em28xx_info("\tTable at offset 0x%02x, strings=0x%04x, 0x%04x, 0x%04x\n",
-		    dev_config->string_idx_table,
-		    le16_to_cpu(dev_config->string1),
-		    le16_to_cpu(dev_config->string2),
-		    le16_to_cpu(dev_config->string3));
+	dev_info(&dev->intf->dev,
+		 "\tTable at offset 0x%02x, strings=0x%04x, 0x%04x, 0x%04x\n",
+		 dev_config->string_idx_table,
+		 le16_to_cpu(dev_config->string1),
+		 le16_to_cpu(dev_config->string2),
+		 le16_to_cpu(dev_config->string3));
 
 	return 0;
 
@@ -914,8 +930,9 @@ void em28xx_do_i2c_scan(struct em28xx *dev, unsigned bus)
 		if (rc < 0)
 			continue;
 		i2c_devicelist[i] = i;
-		em28xx_info("found i2c device @ 0x%x on bus %d [%s]\n",
-			    i << 1, bus, i2c_devs[i] ? i2c_devs[i] : "???");
+		dev_info(&dev->intf->dev,
+			 "found i2c device @ 0x%x on bus %d [%s]\n",
+			 i << 1, bus, i2c_devs[i] ? i2c_devs[i] : "???");
 	}
 
 	if (bus == dev->def_i2c_bus)
@@ -939,8 +956,8 @@ int em28xx_i2c_register(struct em28xx *dev, unsigned bus,
 		return -ENODEV;
 
 	dev->i2c_adap[bus] = em28xx_adap_template;
-	dev->i2c_adap[bus].dev.parent = &dev->udev->dev;
-	strcpy(dev->i2c_adap[bus].name, dev->name);
+	dev->i2c_adap[bus].dev.parent = &dev->intf->dev;
+	strcpy(dev->i2c_adap[bus].name, dev_name(&dev->intf->dev));
 
 	dev->i2c_bus[bus].bus = bus;
 	dev->i2c_bus[bus].algo_type = algo_type;
@@ -949,8 +966,9 @@ int em28xx_i2c_register(struct em28xx *dev, unsigned bus,
 
 	retval = i2c_add_adapter(&dev->i2c_adap[bus]);
 	if (retval < 0) {
-		em28xx_errdev("%s: i2c_add_adapter failed! retval [%d]\n",
-			      __func__, retval);
+		dev_err(&dev->intf->dev,
+			"%s: i2c_add_adapter failed! retval [%d]\n",
+			__func__, retval);
 		return retval;
 	}
 
@@ -961,8 +979,9 @@ int em28xx_i2c_register(struct em28xx *dev, unsigned bus,
 	if (!bus) {
 		retval = em28xx_i2c_eeprom(dev, bus, &dev->eedata, &dev->eedata_len);
 		if ((retval < 0) && (retval != -ENODEV)) {
-			em28xx_errdev("%s: em28xx_i2_eeprom failed! retval [%d]\n",
-				      __func__, retval);
+			dev_err(&dev->intf->dev,
+				"%s: em28xx_i2_eeprom failed! retval [%d]\n",
+				__func__, retval);
 
 			return retval;
 		}
diff --git a/drivers/media/usb/em28xx/em28xx-input.c b/drivers/media/usb/em28xx/em28xx-input.c
index 4007356d991d..782ce095c8c5 100644
--- a/drivers/media/usb/em28xx/em28xx-input.c
+++ b/drivers/media/usb/em28xx/em28xx-input.c
@@ -21,6 +21,8 @@
   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  */
 
+#include "em28xx.h"
+
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/delay.h>
@@ -29,8 +31,6 @@
 #include <linux/slab.h>
 #include <linux/bitrev.h>
 
-#include "em28xx.h"
-
 #define EM28XX_SNAPSHOT_KEY				KEY_CAMERA
 #define EM28XX_BUTTONS_DEBOUNCED_QUERY_INTERVAL		500 /* [ms] */
 #define EM28XX_BUTTONS_VOLATILE_QUERY_INTERVAL		100 /* [ms] */
@@ -41,10 +41,11 @@ MODULE_PARM_DESC(ir_debug, "enable debug messages [IR]");
 
 #define MODULE_NAME "em28xx"
 
-#define dprintk(fmt, arg...) \
-	if (ir_debug) { \
-		printk(KERN_DEBUG "%s/ir: " fmt, ir->name , ## arg); \
-	}
+#define dprintk( fmt, arg...) do {					\
+	if (ir_debug)							\
+		dev_printk(KERN_DEBUG, &ir->dev->intf->dev,		\
+			   "input: %s: " fmt, __func__, ## arg);	\
+} while (0)
 
 /**********************************************************
  Polling structure used by em28xx IR's
@@ -458,8 +459,9 @@ static int em28xx_ir_change_protocol(struct rc_dev *rc_dev, u64 *rc_type)
 	case CHIP_ID_EM28178:
 		return em2874_ir_change_protocol(rc_dev, rc_type);
 	default:
-		printk("Unrecognized em28xx chip id 0x%02x: IR not supported\n",
-		       dev->chip_id);
+		dev_err(&ir->dev->intf->dev,
+			"Unrecognized em28xx chip id 0x%02x: IR not supported\n",
+			dev->chip_id);
 		return -EINVAL;
 	}
 }
@@ -564,15 +566,16 @@ static void em28xx_query_buttons(struct work_struct *work)
 
 static int em28xx_register_snapshot_button(struct em28xx *dev)
 {
+	struct usb_device *udev = interface_to_usbdev(dev->intf);
 	struct input_dev *input_dev;
 	int err;
 
-	em28xx_info("Registering snapshot button...\n");
+	dev_info(&dev->intf->dev, "Registering snapshot button...\n");
 	input_dev = input_allocate_device();
 	if (!input_dev)
 		return -ENOMEM;
 
-	usb_make_path(dev->udev, dev->snapshot_button_path,
+	usb_make_path(udev, dev->snapshot_button_path,
 		      sizeof(dev->snapshot_button_path));
 	strlcat(dev->snapshot_button_path, "/sbutton",
 		sizeof(dev->snapshot_button_path));
@@ -584,14 +587,14 @@ static int em28xx_register_snapshot_button(struct em28xx *dev)
 	input_dev->keycodesize = 0;
 	input_dev->keycodemax = 0;
 	input_dev->id.bustype = BUS_USB;
-	input_dev->id.vendor = le16_to_cpu(dev->udev->descriptor.idVendor);
-	input_dev->id.product = le16_to_cpu(dev->udev->descriptor.idProduct);
+	input_dev->id.vendor = le16_to_cpu(udev->descriptor.idVendor);
+	input_dev->id.product = le16_to_cpu(udev->descriptor.idProduct);
 	input_dev->id.version = 1;
-	input_dev->dev.parent = &dev->udev->dev;
+	input_dev->dev.parent = &dev->intf->dev;
 
 	err = input_register_device(input_dev);
 	if (err) {
-		em28xx_errdev("input_register_device failed\n");
+		dev_err(&dev->intf->dev, "input_register_device failed\n");
 		input_free_device(input_dev);
 		return err;
 	}
@@ -631,7 +634,8 @@ static void em28xx_init_buttons(struct em28xx *dev)
 		} else if (button->role == EM28XX_BUTTON_ILLUMINATION) {
 			/* Check sanity */
 			if (!em28xx_find_led(dev, EM28XX_LED_ILLUMINATION)) {
-				em28xx_errdev("BUG: illumination button defined, but no illumination LED.\n");
+				dev_err(&dev->intf->dev,
+					"BUG: illumination button defined, but no illumination LED.\n");
 				goto next_button;
 			}
 		}
@@ -667,7 +671,7 @@ static void em28xx_shutdown_buttons(struct em28xx *dev)
 	dev->num_button_polling_addresses = 0;
 	/* Deregister input devices */
 	if (dev->sbutton_input_dev != NULL) {
-		em28xx_info("Deregistering snapshot button\n");
+		dev_info(&dev->intf->dev, "Deregistering snapshot button\n");
 		input_unregister_device(dev->sbutton_input_dev);
 		dev->sbutton_input_dev = NULL;
 	}
@@ -675,6 +679,7 @@ static void em28xx_shutdown_buttons(struct em28xx *dev)
 
 static int em28xx_ir_init(struct em28xx *dev)
 {
+	struct usb_device *udev = interface_to_usbdev(dev->intf);
 	struct em28xx_IR *ir;
 	struct rc_dev *rc;
 	int err = -ENOMEM;
@@ -696,19 +701,20 @@ static int em28xx_ir_init(struct em28xx *dev)
 		i2c_rc_dev_addr = em28xx_probe_i2c_ir(dev);
 		if (!i2c_rc_dev_addr) {
 			dev->board.has_ir_i2c = 0;
-			em28xx_warn("No i2c IR remote control device found.\n");
+			dev_warn(&dev->intf->dev,
+				 "No i2c IR remote control device found.\n");
 			return -ENODEV;
 		}
 	}
 
 	if (dev->board.ir_codes == NULL && !dev->board.has_ir_i2c) {
 		/* No remote control support */
-		em28xx_warn("Remote control support is not available for "
-				"this card.\n");
+		dev_warn(&dev->intf->dev,
+			 "Remote control support is not available for this card.\n");
 		return 0;
 	}
 
-	em28xx_info("Registering input extension\n");
+	dev_info(&dev->intf->dev, "Registering input extension\n");
 
 	ir = kzalloc(sizeof(*ir), GFP_KERNEL);
 	if (!ir)
@@ -792,18 +798,19 @@ static int em28xx_ir_init(struct em28xx *dev)
 	ir->polling = 100; /* ms */
 
 	/* init input device */
-	snprintf(ir->name, sizeof(ir->name), "em28xx IR (%s)", dev->name);
+	snprintf(ir->name, sizeof(ir->name), "%s IR",
+		 dev_name(&dev->intf->dev));
 
-	usb_make_path(dev->udev, ir->phys, sizeof(ir->phys));
+	usb_make_path(udev, ir->phys, sizeof(ir->phys));
 	strlcat(ir->phys, "/input0", sizeof(ir->phys));
 
 	rc->input_name = ir->name;
 	rc->input_phys = ir->phys;
 	rc->input_id.bustype = BUS_USB;
 	rc->input_id.version = 1;
-	rc->input_id.vendor = le16_to_cpu(dev->udev->descriptor.idVendor);
-	rc->input_id.product = le16_to_cpu(dev->udev->descriptor.idProduct);
-	rc->dev.parent = &dev->udev->dev;
+	rc->input_id.vendor = le16_to_cpu(udev->descriptor.idVendor);
+	rc->input_id.product = le16_to_cpu(udev->descriptor.idProduct);
+	rc->dev.parent = &dev->intf->dev;
 	rc->driver_name = MODULE_NAME;
 
 	/* all done */
@@ -811,7 +818,7 @@ static int em28xx_ir_init(struct em28xx *dev)
 	if (err)
 		goto error;
 
-	em28xx_info("Input extension successfully initalized\n");
+	dev_info(&dev->intf->dev, "Input extension successfully initalized\n");
 
 	return 0;
 
@@ -832,7 +839,7 @@ static int em28xx_ir_fini(struct em28xx *dev)
 		return 0;
 	}
 
-	em28xx_info("Closing input extension\n");
+	dev_info(&dev->intf->dev, "Closing input extension\n");
 
 	em28xx_shutdown_buttons(dev);
 
@@ -861,7 +868,7 @@ static int em28xx_ir_suspend(struct em28xx *dev)
 	if (dev->is_audio_only)
 		return 0;
 
-	em28xx_info("Suspending input extension\n");
+	dev_info(&dev->intf->dev, "Suspending input extension\n");
 	if (ir)
 		cancel_delayed_work_sync(&ir->work);
 	cancel_delayed_work_sync(&dev->buttons_query_work);
@@ -878,7 +885,7 @@ static int em28xx_ir_resume(struct em28xx *dev)
 	if (dev->is_audio_only)
 		return 0;
 
-	em28xx_info("Resuming input extension\n");
+	dev_info(&dev->intf->dev, "Resuming input extension\n");
 	/* if suspend calls ir_raw_event_unregister(), the should call
 	   ir_raw_event_register() */
 	if (ir)
diff --git a/drivers/media/usb/em28xx/em28xx-vbi.c b/drivers/media/usb/em28xx/em28xx-vbi.c
index 836c6b53b16c..0bac552bbe87 100644
--- a/drivers/media/usb/em28xx/em28xx-vbi.c
+++ b/drivers/media/usb/em28xx/em28xx-vbi.c
@@ -21,12 +21,14 @@
    02110-1301, USA.
  */
 
+#include "em28xx.h"
+
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/hardirq.h>
 #include <linux/init.h>
+#include <linux/usb.h>
 
-#include "em28xx.h"
 #include "em28xx-v4l.h"
 
 /* ------------------------------------------------------------------ */
@@ -63,8 +65,9 @@ static int vbi_buffer_prepare(struct vb2_buffer *vb)
 	size = v4l2->vbi_width * v4l2->vbi_height * 2;
 
 	if (vb2_plane_size(vb, 0) < size) {
-		printk(KERN_INFO "%s data will not fit into plane (%lu < %lu)\n",
-		       __func__, vb2_plane_size(vb, 0), size);
+		dev_info(&dev->intf->dev,
+			 "%s data will not fit into plane (%lu < %lu)\n",
+			 __func__, vb2_plane_size(vb, 0), size);
 		return -EINVAL;
 	}
 	vb2_set_plane_payload(vb, 0, size);
diff --git a/drivers/media/usb/em28xx/em28xx-video.c b/drivers/media/usb/em28xx/em28xx-video.c
index 1f7fa059eb34..8d93100334ea 100644
--- a/drivers/media/usb/em28xx/em28xx-video.c
+++ b/drivers/media/usb/em28xx/em28xx-video.c
@@ -26,6 +26,8 @@
    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
 
+#include "em28xx.h"
+
 #include <linux/init.h>
 #include <linux/list.h>
 #include <linux/module.h>
@@ -37,7 +39,6 @@
 #include <linux/mutex.h>
 #include <linux/slab.h>
 
-#include "em28xx.h"
 #include "em28xx-v4l.h"
 #include <media/v4l2-common.h>
 #include <media/v4l2-ioctl.h>
@@ -63,18 +64,17 @@ static int alt;
 module_param(alt, int, 0644);
 MODULE_PARM_DESC(alt, "alternate setting to use for video endpoint");
 
-#define em28xx_videodbg(fmt, arg...) do {\
-	if (video_debug) \
-		printk(KERN_INFO "%s %s :"fmt, \
-			 dev->name, __func__ , ##arg); } while (0)
+#define em28xx_videodbg(fmt, arg...) do {				\
+	if (video_debug)						\
+		dev_printk(KERN_DEBUG, &dev->intf->dev,			\
+			   "video: %s: " fmt, __func__, ## arg);	\
+} while (0)
 
-#define em28xx_isocdbg(fmt, arg...) \
-do {\
-	if (isoc_debug) { \
-		printk(KERN_INFO "%s %s :"fmt, \
-			 dev->name, __func__ , ##arg); \
-	} \
-  } while (0)
+#define em28xx_isocdbg(fmt, arg...) do {\
+	if (isoc_debug) \
+		dev_printk(KERN_DEBUG, &dev->intf->dev,			\
+			   "isoc: %s: " fmt, __func__, ## arg);		\
+} while (0)
 
 MODULE_AUTHOR(DRIVER_AUTHOR);
 MODULE_DESCRIPTION(DRIVER_DESC " - v4l2 interface");
@@ -360,6 +360,7 @@ static int em28xx_resolution_set(struct em28xx *dev)
 static int em28xx_set_alternate(struct em28xx *dev)
 {
 	struct em28xx_v4l2 *v4l2 = dev->v4l2;
+	struct usb_device *udev = interface_to_usbdev(dev->intf);
 	int errCode;
 	int i;
 	unsigned int min_pkt_size = v4l2->width * 2 + 4;
@@ -411,10 +412,11 @@ set_alt:
 	}
 	em28xx_videodbg("setting alternate %d with wMaxPacketSize=%u\n",
 			dev->alt, dev->max_pkt_size);
-	errCode = usb_set_interface(dev->udev, dev->ifnum, dev->alt);
+	errCode = usb_set_interface(udev, dev->ifnum, dev->alt);
 	if (errCode < 0) {
-		em28xx_errdev("cannot change alternate number to %d (error=%i)\n",
-			      dev->alt, errCode);
+		dev_err(&dev->intf->dev,
+			"cannot change alternate number to %d (error=%i)\n",
+			dev->alt, errCode);
 		return errCode;
 	}
 	return 0;
@@ -505,8 +507,7 @@ static void em28xx_copy_video(struct em28xx *dev,
 
 		if ((char *)startwrite + lencopy > (char *)buf->vb_buf +
 		    buf->length) {
-			em28xx_isocdbg("Overflow of %zu bytes past buffer end"
-				       "(2)\n",
+			em28xx_isocdbg("Overflow of %zu bytes past buffer end(2)\n",
 				       ((char *)startwrite + lencopy) -
 				       ((char *)buf->vb_buf + buf->length));
 			lencopy = remain = (char *)buf->vb_buf + buf->length -
@@ -926,10 +927,11 @@ static int em28xx_enable_analog_tuner(struct em28xx *dev)
 
 		ret = media_entity_setup_link(link, flags);
 		if (ret) {
-			pr_err("Couldn't change link %s->%s to %s. Error %d\n",
-			       source->name, sink->name,
-			       flags ? "enabled" : "disabled",
-			       ret);
+			dev_err(&dev->intf->dev,
+				"Couldn't change link %s->%s to %s. Error %d\n",
+				source->name, sink->name,
+				flags ? "enabled" : "disabled",
+				ret);
 			return ret;
 		} else
 			em28xx_videodbg("link %s->%s was %s\n",
@@ -957,14 +959,16 @@ static void em28xx_v4l2_create_entities(struct em28xx *dev)
 	v4l2->video_pad.flags = MEDIA_PAD_FL_SINK;
 	ret = media_entity_pads_init(&v4l2->vdev.entity, 1, &v4l2->video_pad);
 	if (ret < 0)
-		pr_err("failed to initialize video media entity!\n");
+		dev_err(&dev->intf->dev,
+			"failed to initialize video media entity!\n");
 
 	if (em28xx_vbi_supported(dev)) {
 		v4l2->vbi_pad.flags = MEDIA_PAD_FL_SINK;
 		ret = media_entity_pads_init(&v4l2->vbi_dev.entity, 1,
 					     &v4l2->vbi_pad);
 		if (ret < 0)
-			pr_err("failed to initialize vbi media entity!\n");
+			dev_err(&dev->intf->dev,
+				"failed to initialize vbi media entity!\n");
 	}
 
 	/* Webcams don't have input connectors */
@@ -997,11 +1001,13 @@ static void em28xx_v4l2_create_entities(struct em28xx *dev)
 
 		ret = media_entity_pads_init(ent, 1, &dev->input_pad[i]);
 		if (ret < 0)
-			pr_err("failed to initialize input pad[%d]!\n", i);
+			dev_err(&dev->intf->dev,
+				"failed to initialize input pad[%d]!\n", i);
 
 		ret = media_device_register_entity(dev->media_dev, ent);
 		if (ret < 0)
-			pr_err("failed to register input entity %d!\n", i);
+			dev_err(&dev->intf->dev,
+				"failed to register input entity %d!\n", i);
 	}
 #endif
 }
@@ -1854,10 +1860,11 @@ static int vidioc_querycap(struct file *file, void  *priv,
 	struct video_device   *vdev = video_devdata(file);
 	struct em28xx         *dev  = video_drvdata(file);
 	struct em28xx_v4l2    *v4l2 = dev->v4l2;
+	struct usb_device *udev = interface_to_usbdev(dev->intf);
 
 	strlcpy(cap->driver, "em28xx", sizeof(cap->driver));
 	strlcpy(cap->card, em28xx_boards[dev->model].name, sizeof(cap->card));
-	usb_make_path(dev->udev, cap->bus_info, sizeof(cap->bus_info));
+	usb_make_path(udev, cap->bus_info, sizeof(cap->bus_info));
 
 	if (vdev->vfl_type == VFL_TYPE_GRABBER)
 		cap->device_caps = V4L2_CAP_READWRITE |
@@ -2048,8 +2055,9 @@ static int em28xx_v4l2_open(struct file *filp)
 
 	ret = v4l2_fh_open(filp);
 	if (ret) {
-		em28xx_errdev("%s: v4l2_fh_open() returned error %d\n",
-			      __func__, ret);
+		dev_err(&dev->intf->dev,
+			"%s: v4l2_fh_open() returned error %d\n",
+		       __func__, ret);
 		mutex_unlock(&dev->lock);
 		return ret;
 	}
@@ -2103,7 +2111,7 @@ static int em28xx_v4l2_fini(struct em28xx *dev)
 	if (v4l2 == NULL)
 		return 0;
 
-	em28xx_info("Closing video extension\n");
+	dev_info(&dev->intf->dev, "Closing video extension\n");
 
 	mutex_lock(&dev->lock);
 
@@ -2114,18 +2122,18 @@ static int em28xx_v4l2_fini(struct em28xx *dev)
 	em28xx_v4l2_media_release(dev);
 
 	if (video_is_registered(&v4l2->radio_dev)) {
-		em28xx_info("V4L2 device %s deregistered\n",
-			    video_device_node_name(&v4l2->radio_dev));
+		dev_info(&dev->intf->dev, "V4L2 device %s deregistered\n",
+			video_device_node_name(&v4l2->radio_dev));
 		video_unregister_device(&v4l2->radio_dev);
 	}
 	if (video_is_registered(&v4l2->vbi_dev)) {
-		em28xx_info("V4L2 device %s deregistered\n",
-			    video_device_node_name(&v4l2->vbi_dev));
+		dev_info(&dev->intf->dev, "V4L2 device %s deregistered\n",
+			video_device_node_name(&v4l2->vbi_dev));
 		video_unregister_device(&v4l2->vbi_dev);
 	}
 	if (video_is_registered(&v4l2->vdev)) {
-		em28xx_info("V4L2 device %s deregistered\n",
-			    video_device_node_name(&v4l2->vdev));
+		dev_info(&dev->intf->dev, "V4L2 device %s deregistered\n",
+			video_device_node_name(&v4l2->vdev));
 		video_unregister_device(&v4l2->vdev);
 	}
 
@@ -2154,7 +2162,7 @@ static int em28xx_v4l2_suspend(struct em28xx *dev)
 	if (!dev->has_video)
 		return 0;
 
-	em28xx_info("Suspending video extension\n");
+	dev_info(&dev->intf->dev, "Suspending video extension\n");
 	em28xx_stop_urbs(dev);
 	return 0;
 }
@@ -2167,7 +2175,7 @@ static int em28xx_v4l2_resume(struct em28xx *dev)
 	if (!dev->has_video)
 		return 0;
 
-	em28xx_info("Resuming video extension\n");
+	dev_info(&dev->intf->dev, "Resuming video extension\n");
 	/* what do we do here */
 	return 0;
 }
@@ -2181,6 +2189,7 @@ static int em28xx_v4l2_close(struct file *filp)
 {
 	struct em28xx         *dev  = video_drvdata(filp);
 	struct em28xx_v4l2    *v4l2 = dev->v4l2;
+	struct usb_device *udev = interface_to_usbdev(dev->intf);
 	int              errCode;
 
 	em28xx_videodbg("users=%d\n", v4l2->users);
@@ -2202,10 +2211,11 @@ static int em28xx_v4l2_close(struct file *filp)
 		/* set alternate 0 */
 		dev->alt = 0;
 		em28xx_videodbg("setting alternate 0\n");
-		errCode = usb_set_interface(dev->udev, 0, 0);
+		errCode = usb_set_interface(udev, 0, 0);
 		if (errCode < 0) {
-			em28xx_errdev("cannot change alternate number to "
-					"0 (error=%i)\n", errCode);
+			dev_err(&dev->intf->dev,
+				"cannot change alternate number to 0 (error=%i)\n",
+				errCode);
 		}
 	}
 
@@ -2338,7 +2348,7 @@ static void em28xx_vdev_init(struct em28xx *dev,
 		vfd->tvnorms = 0;
 
 	snprintf(vfd->name, sizeof(vfd->name), "%s %s",
-		 dev->name, type_name);
+		 dev_name(&dev->intf->dev), type_name);
 
 	video_set_drvdata(vfd, dev);
 }
@@ -2422,13 +2432,12 @@ static int em28xx_v4l2_init(struct em28xx *dev)
 		return 0;
 	}
 
-	em28xx_info("Registering V4L2 extension\n");
+	dev_info(&dev->intf->dev, "Registering V4L2 extension\n");
 
 	mutex_lock(&dev->lock);
 
 	v4l2 = kzalloc(sizeof(struct em28xx_v4l2), GFP_KERNEL);
-	if (v4l2 == NULL) {
-		em28xx_info("em28xx_v4l: memory allocation failed\n");
+	if (!v4l2) {
 		mutex_unlock(&dev->lock);
 		return -ENOMEM;
 	}
@@ -2439,9 +2448,10 @@ static int em28xx_v4l2_init(struct em28xx *dev)
 #ifdef CONFIG_MEDIA_CONTROLLER
 	v4l2->v4l2_dev.mdev = dev->media_dev;
 #endif
-	ret = v4l2_device_register(&dev->udev->dev, &v4l2->v4l2_dev);
+	ret = v4l2_device_register(&dev->intf->dev, &v4l2->v4l2_dev);
 	if (ret < 0) {
-		em28xx_errdev("Call to v4l2_device_register() failed!\n");
+		dev_err(&dev->intf->dev,
+			"Call to v4l2_device_register() failed!\n");
 		goto err;
 	}
 
@@ -2525,8 +2535,9 @@ static int em28xx_v4l2_init(struct em28xx *dev)
 	/* Configure audio */
 	ret = em28xx_audio_setup(dev);
 	if (ret < 0) {
-		em28xx_errdev("%s: Error while setting audio - error [%d]!\n",
-			      __func__, ret);
+		dev_err(&dev->intf->dev,
+			"%s: Error while setting audio - error [%d]!\n",
+			__func__, ret);
 		goto unregister_dev;
 	}
 	if (dev->audio_mode.ac97 != EM28XX_NO_AC97) {
@@ -2553,16 +2564,18 @@ static int em28xx_v4l2_init(struct em28xx *dev)
 		/* Send a reset to other chips via gpio */
 		ret = em28xx_write_reg(dev, EM2820_R08_GPIO_CTRL, 0xf7);
 		if (ret < 0) {
-			em28xx_errdev("%s: em28xx_write_reg - msp34xx(1) failed! error [%d]\n",
-				      __func__, ret);
+			dev_err(&dev->intf->dev,
+				"%s: em28xx_write_reg - msp34xx(1) failed! error [%d]\n",
+				__func__, ret);
 			goto unregister_dev;
 		}
 		msleep(3);
 
 		ret = em28xx_write_reg(dev, EM2820_R08_GPIO_CTRL, 0xff);
 		if (ret < 0) {
-			em28xx_errdev("%s: em28xx_write_reg - msp34xx(2) failed! error [%d]\n",
-				      __func__, ret);
+			dev_err(&dev->intf->dev,
+				"%s: em28xx_write_reg - msp34xx(2) failed! error [%d]\n",
+				__func__, ret);
 			goto unregister_dev;
 		}
 		msleep(3);
@@ -2663,8 +2676,8 @@ static int em28xx_v4l2_init(struct em28xx *dev)
 	ret = video_register_device(&v4l2->vdev, VFL_TYPE_GRABBER,
 				    video_nr[dev->devno]);
 	if (ret) {
-		em28xx_errdev("unable to register video device (error=%i).\n",
-			      ret);
+		dev_err(&dev->intf->dev,
+			"unable to register video device (error=%i).\n", ret);
 		goto unregister_dev;
 	}
 
@@ -2693,7 +2706,8 @@ static int em28xx_v4l2_init(struct em28xx *dev)
 		ret = video_register_device(&v4l2->vbi_dev, VFL_TYPE_VBI,
 					    vbi_nr[dev->devno]);
 		if (ret < 0) {
-			em28xx_errdev("unable to register vbi device\n");
+			dev_err(&dev->intf->dev,
+				"unable to register vbi device\n");
 			goto unregister_dev;
 		}
 	}
@@ -2704,11 +2718,13 @@ static int em28xx_v4l2_init(struct em28xx *dev)
 		ret = video_register_device(&v4l2->radio_dev, VFL_TYPE_RADIO,
 					    radio_nr[dev->devno]);
 		if (ret < 0) {
-			em28xx_errdev("can't register radio device\n");
+			dev_err(&dev->intf->dev,
+				"can't register radio device\n");
 			goto unregister_dev;
 		}
-		em28xx_info("Registered radio device as %s\n",
-			    video_device_node_name(&v4l2->radio_dev));
+		dev_info(&dev->intf->dev,
+			 "Registered radio device as %s\n",
+			 video_device_node_name(&v4l2->radio_dev));
 	}
 
 	/* Init entities at the Media Controller */
@@ -2717,18 +2733,21 @@ static int em28xx_v4l2_init(struct em28xx *dev)
 #ifdef CONFIG_MEDIA_CONTROLLER
 	ret = v4l2_mc_create_media_graph(dev->media_dev);
 	if (ret) {
-		em28xx_errdev("failed to create media graph\n");
+		dev_err(&dev->intf->dev,
+			"failed to create media graph\n");
 		em28xx_v4l2_media_release(dev);
 		goto unregister_dev;
 	}
 #endif
 
-	em28xx_info("V4L2 video device registered as %s\n",
-		    video_device_node_name(&v4l2->vdev));
+	dev_info(&dev->intf->dev,
+		 "V4L2 video device registered as %s\n",
+		 video_device_node_name(&v4l2->vdev));
 
 	if (video_is_registered(&v4l2->vbi_dev))
-		em28xx_info("V4L2 VBI device registered as %s\n",
-			    video_device_node_name(&v4l2->vbi_dev));
+		dev_info(&dev->intf->dev,
+			 "V4L2 VBI device registered as %s\n",
+			 video_device_node_name(&v4l2->vbi_dev));
 
 	/* Save some power by putting tuner to sleep */
 	v4l2_device_call_all(&v4l2->v4l2_dev, 0, core, s_power, 0);
@@ -2736,7 +2755,8 @@ static int em28xx_v4l2_init(struct em28xx *dev)
 	/* initialize videobuf2 stuff */
 	em28xx_vb2_setup(dev);
 
-	em28xx_info("V4L2 extension successfully initialized\n");
+	dev_info(&dev->intf->dev,
+		 "V4L2 extension successfully initialized\n");
 
 	kref_get(&dev->ref);
 
@@ -2745,18 +2765,21 @@ static int em28xx_v4l2_init(struct em28xx *dev)
 
 unregister_dev:
 	if (video_is_registered(&v4l2->radio_dev)) {
-		em28xx_info("V4L2 device %s deregistered\n",
-			    video_device_node_name(&v4l2->radio_dev));
+		dev_info(&dev->intf->dev,
+			 "V4L2 device %s deregistered\n",
+			 video_device_node_name(&v4l2->radio_dev));
 		video_unregister_device(&v4l2->radio_dev);
 	}
 	if (video_is_registered(&v4l2->vbi_dev)) {
-		em28xx_info("V4L2 device %s deregistered\n",
-			    video_device_node_name(&v4l2->vbi_dev));
+		dev_info(&dev->intf->dev,
+			 "V4L2 device %s deregistered\n",
+			 video_device_node_name(&v4l2->vbi_dev));
 		video_unregister_device(&v4l2->vbi_dev);
 	}
 	if (video_is_registered(&v4l2->vdev)) {
-		em28xx_info("V4L2 device %s deregistered\n",
-			    video_device_node_name(&v4l2->vdev));
+		dev_info(&dev->intf->dev,
+			 "V4L2 device %s deregistered\n",
+			 video_device_node_name(&v4l2->vdev));
 		video_unregister_device(&v4l2->vdev);
 	}
 
diff --git a/drivers/media/usb/em28xx/em28xx.h b/drivers/media/usb/em28xx/em28xx.h
index d148463b22c1..ca59e2d4fccf 100644
--- a/drivers/media/usb/em28xx/em28xx.h
+++ b/drivers/media/usb/em28xx/em28xx.h
@@ -610,7 +610,6 @@ struct em28xx {
 	struct em28xx_IR *ir;
 
 	/* generic device properties */
-	char name[30];		/* name (including minor) of the device */
 	int model;		/* index in the device_data struct */
 	int devno;		/* marks the number of this device */
 	enum em28xx_chip_id chip_id;
@@ -678,7 +677,7 @@ struct em28xx {
 	spinlock_t slock;
 
 	/* usb transfer */
-	struct usb_device *udev;	/* the usb device */
+	struct usb_interface *intf;	/* the usb interface */
 	u8 ifnum;		/* number of the assigned usb interface */
 	u8 analog_ep_isoc;	/* address of isoc endpoint for analog */
 	u8 analog_ep_bulk;	/* address of bulk endpoint for analog */
@@ -797,20 +796,4 @@ void em28xx_free_device(struct kref *ref);
 int em28xx_detect_sensor(struct em28xx *dev);
 int em28xx_init_camera(struct em28xx *dev);
 
-/* printk macros */
-
-#define em28xx_err(fmt, arg...) do {\
-	printk(KERN_ERR fmt , ##arg); } while (0)
-
-#define em28xx_errdev(fmt, arg...) do {\
-	printk(KERN_ERR "%s: "fmt,\
-			dev->name , ##arg); } while (0)
-
-#define em28xx_info(fmt, arg...) do {\
-	printk(KERN_INFO "%s: "fmt,\
-			dev->name , ##arg); } while (0)
-#define em28xx_warn(fmt, arg...) do {\
-	printk(KERN_WARNING "%s: "fmt,\
-			dev->name , ##arg); } while (0)
-
 #endif
diff --git a/drivers/media/usb/go7007/Kconfig b/drivers/media/usb/go7007/Kconfig
index 95a3af644a92..af1d02430931 100644
--- a/drivers/media/usb/go7007/Kconfig
+++ b/drivers/media/usb/go7007/Kconfig
@@ -11,7 +11,7 @@ config VIDEO_GO7007
 	select VIDEO_TW2804 if MEDIA_SUBDRV_AUTOSELECT
 	select VIDEO_TW9903 if MEDIA_SUBDRV_AUTOSELECT
 	select VIDEO_TW9906 if MEDIA_SUBDRV_AUTOSELECT
-	select VIDEO_OV7640 if MEDIA_SUBDRV_AUTOSELECT
+	select VIDEO_OV7640 if MEDIA_SUBDRV_AUTOSELECT && MEDIA_CAMERA_SUPPORT
 	select VIDEO_UDA1342 if MEDIA_SUBDRV_AUTOSELECT
 	---help---
 	  This is a video4linux driver for the WIS GO7007 MPEG
diff --git a/drivers/media/usb/gspca/gspca.c b/drivers/media/usb/gspca/gspca.c
index af2395a76d8b..fa2cbb981905 100644
--- a/drivers/media/usb/gspca/gspca.c
+++ b/drivers/media/usb/gspca/gspca.c
@@ -201,8 +201,7 @@ static int alloc_and_submit_int_urb(struct gspca_dev *gspca_dev,
 
 	buffer_len = le16_to_cpu(ep->wMaxPacketSize);
 	interval = ep->bInterval;
-	PDEBUG(D_CONF, "found int in endpoint: 0x%x, "
-		"buffer_len=%u, interval=%u",
+	PDEBUG(D_CONF, "found int in endpoint: 0x%x, buffer_len=%u, interval=%u",
 		ep->bEndpointAddress, buffer_len, interval);
 
 	dev = gspca_dev->dev;
diff --git a/drivers/media/usb/gspca/jl2005bcd.c b/drivers/media/usb/gspca/jl2005bcd.c
index ac295f04bd18..b12ecb72df4c 100644
--- a/drivers/media/usb/gspca/jl2005bcd.c
+++ b/drivers/media/usb/gspca/jl2005bcd.c
@@ -299,10 +299,7 @@ static int jl2005c_stream_start_cif_small(struct gspca_dev *gspca_dev)
 
 static int jl2005c_stop(struct gspca_dev *gspca_dev)
 {
-	int retval;
-
-	retval = jl2005c_write_reg(gspca_dev, 0x07, 0x00);
-	return retval;
+	return jl2005c_write_reg(gspca_dev, 0x07, 0x00);
 }
 
 /*
diff --git a/drivers/media/usb/gspca/m5602/m5602_core.c b/drivers/media/usb/gspca/m5602/m5602_core.c
index e4a0658e3f83..f1dcd9021983 100644
--- a/drivers/media/usb/gspca/m5602/m5602_core.c
+++ b/drivers/media/usb/gspca/m5602/m5602_core.c
@@ -154,8 +154,8 @@ int m5602_read_sensor(struct sd *sd, const u8 address,
 
 		err = m5602_read_bridge(sd, M5602_XB_I2C_DATA, &(i2c_data[i]));
 
-		PDEBUG(D_CONF, "Reading sensor register "
-			       "0x%x containing 0x%x ", address, *i2c_data);
+		PDEBUG(D_CONF, "Reading sensor register 0x%x containing 0x%x ",
+		       address, *i2c_data);
 	}
 	return err;
 }
@@ -441,13 +441,10 @@ MODULE_DESCRIPTION(DRIVER_DESC);
 MODULE_LICENSE("GPL");
 module_param(force_sensor, int, S_IRUGO | S_IWUSR);
 MODULE_PARM_DESC(force_sensor,
-		"forces detection of a sensor, "
-		"1 = OV9650, 2 = S5K83A, 3 = S5K4AA, "
-		"4 = MT9M111, 5 = PO1030, 6 = OV7660");
+		"forces detection of a sensor, 1 = OV9650, 2 = S5K83A, 3 = S5K4AA, 4 = MT9M111, 5 = PO1030, 6 = OV7660");
 
 module_param(dump_bridge, bool, S_IRUGO | S_IWUSR);
 MODULE_PARM_DESC(dump_bridge, "Dumps all usb bridge registers at startup");
 
 module_param(dump_sensor, bool, S_IRUGO | S_IWUSR);
-MODULE_PARM_DESC(dump_sensor, "Dumps all usb sensor registers "
-		"at startup providing a sensor is found");
+MODULE_PARM_DESC(dump_sensor, "Dumps all usb sensor registers at startup providing a sensor is found");
diff --git a/drivers/media/usb/gspca/mr97310a.c b/drivers/media/usb/gspca/mr97310a.c
index f006e29ca019..6dfb364094ec 100644
--- a/drivers/media/usb/gspca/mr97310a.c
+++ b/drivers/media/usb/gspca/mr97310a.c
@@ -72,8 +72,7 @@
 #define MR97310A_MIN_CLOCKDIV_MAX	8
 #define MR97310A_MIN_CLOCKDIV_DEFAULT	3
 
-MODULE_AUTHOR("Kyle Guinn <elyk03@gmail.com>,"
-	      "Theodore Kilgore <kilgota@auburn.edu>");
+MODULE_AUTHOR("Kyle Guinn <elyk03@gmail.com>,Theodore Kilgore <kilgota@auburn.edu>");
 MODULE_DESCRIPTION("GSPCA/Mars-Semi MR97310A USB Camera Driver");
 MODULE_LICENSE("GPL");
 
diff --git a/drivers/media/usb/gspca/ov519.c b/drivers/media/usb/gspca/ov519.c
index 965372a5ff2f..4dbca54cf2a8 100644
--- a/drivers/media/usb/gspca/ov519.c
+++ b/drivers/media/usb/gspca/ov519.c
@@ -4326,8 +4326,7 @@ static void ov511_pkt_scan(struct gspca_dev *gspca_dev,
 			/* Frame end */
 			if ((in[9] + 1) * 8 != gspca_dev->pixfmt.width ||
 			    (in[10] + 1) * 8 != gspca_dev->pixfmt.height) {
-				PERR("Invalid frame size, got: %dx%d,"
-					" requested: %dx%d\n",
+				PERR("Invalid frame size, got: %dx%d, requested: %dx%d\n",
 					(in[9] + 1) * 8, (in[10] + 1) * 8,
 					gspca_dev->pixfmt.width,
 					gspca_dev->pixfmt.height);
diff --git a/drivers/media/usb/gspca/pac207.c b/drivers/media/usb/gspca/pac207.c
index 07529e5a0c56..51e11248bbb8 100644
--- a/drivers/media/usb/gspca/pac207.c
+++ b/drivers/media/usb/gspca/pac207.c
@@ -179,8 +179,8 @@ static int sd_config(struct gspca_dev *gspca_dev,
 	}
 
 	PDEBUG(D_PROBE,
-		"Pixart PAC207BCA Image Processor and Control Chip detected"
-		" (vid/pid 0x%04X:0x%04X)", id->idVendor, id->idProduct);
+		"Pixart PAC207BCA Image Processor and Control Chip detected (vid/pid 0x%04X:0x%04X)",
+		id->idVendor, id->idProduct);
 
 	cam = &gspca_dev->cam;
 	cam->cam_mode = sif_mode;
diff --git a/drivers/media/usb/gspca/pac7302.c b/drivers/media/usb/gspca/pac7302.c
index 8b08bd0172f4..be07a24c4518 100644
--- a/drivers/media/usb/gspca/pac7302.c
+++ b/drivers/media/usb/gspca/pac7302.c
@@ -105,8 +105,7 @@
 #define PAC7302_EXPOSURE_DEFAULT	 66 /* 33 ms / 30 fps */
 #define PAC7302_EXPOSURE_KNEE		133 /* 66 ms / 15 fps */
 
-MODULE_AUTHOR("Jean-Francois Moine <http://moinejf.free.fr>, "
-		"Thomas Kaiser thomas@kaiser-linux.li");
+MODULE_AUTHOR("Jean-Francois Moine <http://moinejf.free.fr>, Thomas Kaiser thomas@kaiser-linux.li");
 MODULE_DESCRIPTION("Pixart PAC7302");
 MODULE_LICENSE("GPL");
 
diff --git a/drivers/media/usb/gspca/sn9c20x.c b/drivers/media/usb/gspca/sn9c20x.c
index 10269dad9d20..e7430b06526a 100644
--- a/drivers/media/usb/gspca/sn9c20x.c
+++ b/drivers/media/usb/gspca/sn9c20x.c
@@ -29,8 +29,7 @@
 
 #include <linux/dmi.h>
 
-MODULE_AUTHOR("Brian Johnson <brijohn@gmail.com>, "
-		"microdia project <microdia@googlegroups.com>");
+MODULE_AUTHOR("Brian Johnson <brijohn@gmail.com>, microdia project <microdia@googlegroups.com>");
 MODULE_DESCRIPTION("GSPCA/SN9C20X USB Camera Driver");
 MODULE_LICENSE("GPL");
 
@@ -1948,8 +1947,7 @@ static int sd_isoc_init(struct gspca_dev *gspca_dev)
 		intf = usb_ifnum_to_if(gspca_dev->dev, gspca_dev->iface);
 
 		if (intf->num_altsetting != 9) {
-			pr_warn("sn9c20x camera with unknown number of alt "
-				"settings (%d), please report!\n",
+			pr_warn("sn9c20x camera with unknown number of alt settings (%d), please report!\n",
 				intf->num_altsetting);
 			gspca_dev->alt = intf->num_altsetting;
 			return 0;
diff --git a/drivers/media/usb/gspca/spca506.c b/drivers/media/usb/gspca/spca506.c
index bcd2c04c770e..ee84863d27d4 100644
--- a/drivers/media/usb/gspca/spca506.c
+++ b/drivers/media/usb/gspca/spca506.c
@@ -581,8 +581,7 @@ static const struct sd_desc sd_desc = {
 /* -- module initialisation -- */
 static const struct usb_device_id device_table[] = {
 	{USB_DEVICE(0x06e1, 0xa190)},
-/*fixme: may be IntelPCCameraPro BRIDGE_SPCA505
-	{USB_DEVICE(0x0733, 0x0430)}, */
+/*	{USB_DEVICE(0x0733, 0x0430)}, FIXME: may be IntelPCCameraPro BRIDGE_SPCA505 */
 	{USB_DEVICE(0x0734, 0x043b)},
 	{USB_DEVICE(0x99fa, 0x8988)},
 	{}
diff --git a/drivers/media/usb/gspca/sq905.c b/drivers/media/usb/gspca/sq905.c
index a7ae0ec9fa91..9424c33f0ddb 100644
--- a/drivers/media/usb/gspca/sq905.c
+++ b/drivers/media/usb/gspca/sq905.c
@@ -41,8 +41,7 @@
 #include <linux/slab.h>
 #include "gspca.h"
 
-MODULE_AUTHOR("Adam Baker <linux@baker-net.org.uk>, "
-		"Theodore Kilgore <kilgota@auburn.edu>");
+MODULE_AUTHOR("Adam Baker <linux@baker-net.org.uk>, Theodore Kilgore <kilgota@auburn.edu>");
 MODULE_DESCRIPTION("GSPCA/SQ905 USB Camera Driver");
 MODULE_LICENSE("GPL");
 
diff --git a/drivers/media/usb/gspca/sq905c.c b/drivers/media/usb/gspca/sq905c.c
index aa21edc9502d..6c45dcc44eb0 100644
--- a/drivers/media/usb/gspca/sq905c.c
+++ b/drivers/media/usb/gspca/sq905c.c
@@ -210,8 +210,8 @@ static int sd_config(struct gspca_dev *gspca_dev,
 	int ret;
 
 	PDEBUG(D_PROBE,
-		"SQ9050 camera detected"
-		" (vid/pid 0x%04X:0x%04X)", id->idVendor, id->idProduct);
+	       "SQ9050 camera detected (vid/pid 0x%04X:0x%04X)",
+	       id->idVendor, id->idProduct);
 
 	ret = sq905c_command(gspca_dev, SQ905C_GET_ID, 0);
 	if (ret < 0) {
@@ -257,11 +257,8 @@ static void sd_stop0(struct gspca_dev *gspca_dev)
 /* this function is called at probe and resume time */
 static int sd_init(struct gspca_dev *gspca_dev)
 {
-	int ret;
-
 	/* connect to the camera and reset it. */
-	ret = sq905c_command(gspca_dev, SQ905C_CLEAR, 0);
-	return ret;
+	return sq905c_command(gspca_dev, SQ905C_CLEAR, 0);
 }
 
 /* Set up for getting frames. */
diff --git a/drivers/media/usb/gspca/stv06xx/stv06xx.c b/drivers/media/usb/gspca/stv06xx/stv06xx.c
index 6ac93d8db427..fef7a784b879 100644
--- a/drivers/media/usb/gspca/stv06xx/stv06xx.c
+++ b/drivers/media/usb/gspca/stv06xx/stv06xx.c
@@ -412,8 +412,7 @@ static void stv06xx_pkt_scan(struct gspca_dev *gspca_dev,
 		len -= 4;
 
 		if (len < chunk_len) {
-			PERR("URB packet length is smaller"
-				" than the specified chunk length");
+			PERR("URB packet length is smaller than the specified chunk length");
 			gspca_dev->last_packet_type = DISCARD_PACKET;
 			return;
 		}
@@ -455,8 +454,7 @@ frame_data:
 				sd->to_skip = gspca_dev->pixfmt.width * 4;
 
 			if (chunk_len)
-				PERR("Chunk length is "
-					      "non-zero on a SOF");
+				PERR("Chunk length is non-zero on a SOF");
 			break;
 
 		case 0x8002:
@@ -469,8 +467,7 @@ frame_data:
 					NULL, 0);
 
 			if (chunk_len)
-				PERR("Chunk length is "
-					      "non-zero on a EOF");
+				PERR("Chunk length is non-zero on a EOF");
 			break;
 
 		case 0x0005:
@@ -582,18 +579,12 @@ static int stv06xx_config(struct gspca_dev *gspca_dev,
 
 /* -- module initialisation -- */
 static const struct usb_device_id device_table[] = {
-	/* QuickCam Express */
-	{USB_DEVICE(0x046d, 0x0840), .driver_info = BRIDGE_STV600 },
-	/* LEGO cam / QuickCam Web */
-	{USB_DEVICE(0x046d, 0x0850), .driver_info = BRIDGE_STV610 },
-	/* Dexxa WebCam USB */
-	{USB_DEVICE(0x046d, 0x0870), .driver_info = BRIDGE_STV602 },
-	/* QuickCam Messenger */
-	{USB_DEVICE(0x046D, 0x08F0), .driver_info = BRIDGE_ST6422 },
-	/* QuickCam Communicate */
-	{USB_DEVICE(0x046D, 0x08F5), .driver_info = BRIDGE_ST6422 },
-	/* QuickCam Messenger (new) */
-	{USB_DEVICE(0x046D, 0x08F6), .driver_info = BRIDGE_ST6422 },
+	{USB_DEVICE(0x046d, 0x0840), .driver_info = BRIDGE_STV600 }, 	/* QuickCam Express */
+	{USB_DEVICE(0x046d, 0x0850), .driver_info = BRIDGE_STV610 },	/* LEGO cam / QuickCam Web */
+	{USB_DEVICE(0x046d, 0x0870), .driver_info = BRIDGE_STV602 },	/* Dexxa WebCam USB */
+	{USB_DEVICE(0x046D, 0x08F0), .driver_info = BRIDGE_ST6422 },	/* QuickCam Messenger */
+	{USB_DEVICE(0x046D, 0x08F5), .driver_info = BRIDGE_ST6422 },	/* QuickCam Communicate */
+	{USB_DEVICE(0x046D, 0x08F6), .driver_info = BRIDGE_ST6422 },	/* QuickCam Messenger (new) */
 	{}
 };
 MODULE_DEVICE_TABLE(usb, device_table);
diff --git a/drivers/media/usb/gspca/sunplus.c b/drivers/media/usb/gspca/sunplus.c
index 46c9f2229a18..38dc9e7aa313 100644
--- a/drivers/media/usb/gspca/sunplus.c
+++ b/drivers/media/usb/gspca/sunplus.c
@@ -368,8 +368,7 @@ static void spca504_read_info(struct gspca_dev *gspca_dev)
 		info[i] = gspca_dev->usb_buf[0];
 	}
 	PDEBUG(D_STREAM,
-		"Read info: %d %d %d %d %d %d."
-		" Should be 1,0,2,2,0,0",
+		"Read info: %d %d %d %d %d %d. Should be 1,0,2,2,0,0",
 		info[0], info[1], info[2],
 		info[3], info[4], info[5]);
 }
diff --git a/drivers/media/usb/gspca/topro.c b/drivers/media/usb/gspca/topro.c
index 15eb069ab60b..983fc6b500af 100644
--- a/drivers/media/usb/gspca/topro.c
+++ b/drivers/media/usb/gspca/topro.c
@@ -24,8 +24,7 @@
 #include "gspca.h"
 
 MODULE_DESCRIPTION("Topro TP6800/6810 gspca webcam driver");
-MODULE_AUTHOR("Jean-Francois Moine <http://moinejf.free.fr>, "
-		"Anders Blomdell <anders.blomdell@control.lth.se>");
+MODULE_AUTHOR("Jean-Francois Moine <http://moinejf.free.fr>, Anders Blomdell <anders.blomdell@control.lth.se>");
 MODULE_LICENSE("GPL");
 
 static int force_sensor = -1;
diff --git a/drivers/media/usb/gspca/zc3xx.c b/drivers/media/usb/gspca/zc3xx.c
index 5f7254d2bc9a..d5d8c7e81762 100644
--- a/drivers/media/usb/gspca/zc3xx.c
+++ b/drivers/media/usb/gspca/zc3xx.c
@@ -25,8 +25,7 @@
 #include "gspca.h"
 #include "jpeg.h"
 
-MODULE_AUTHOR("Jean-Francois Moine <http://moinejf.free.fr>, "
-		"Serge A. Suchkov <Serge.A.S@tochka.ru>");
+MODULE_AUTHOR("Jean-Francois Moine <http://moinejf.free.fr>, Serge A. Suchkov <Serge.A.S@tochka.ru>");
 MODULE_DESCRIPTION("GSPCA ZC03xx/VC3xx USB Camera Driver");
 MODULE_LICENSE("GPL");
 
diff --git a/drivers/media/usb/hdpvr/hdpvr-core.c b/drivers/media/usb/hdpvr/hdpvr-core.c
index a61d8fd63c12..15f016ad5b89 100644
--- a/drivers/media/usb/hdpvr/hdpvr-core.c
+++ b/drivers/media/usb/hdpvr/hdpvr-core.c
@@ -41,13 +41,11 @@ MODULE_PARM_DESC(hdpvr_debug, "enable debugging output");
 
 static uint default_video_input = HDPVR_VIDEO_INPUTS;
 module_param(default_video_input, uint, S_IRUGO|S_IWUSR);
-MODULE_PARM_DESC(default_video_input, "default video input: 0=Component / "
-		 "1=S-Video / 2=Composite");
+MODULE_PARM_DESC(default_video_input, "default video input: 0=Component / 1=S-Video / 2=Composite");
 
 static uint default_audio_input = HDPVR_AUDIO_INPUTS;
 module_param(default_audio_input, uint, S_IRUGO|S_IWUSR);
-MODULE_PARM_DESC(default_audio_input, "default audio input: 0=RCA back / "
-		 "1=RCA front / 2=S/PDIF");
+MODULE_PARM_DESC(default_audio_input, "default audio input: 0=RCA back / 1=RCA front / 2=S/PDIF");
 
 static bool boost_audio;
 module_param(boost_audio, bool, S_IRUGO|S_IWUSR);
@@ -165,8 +163,7 @@ static int device_authorization(struct hdpvr_device *dev)
 		dev->flags |= HDPVR_FLAG_AC3_CAP;
 		break;
 	default:
-		v4l2_info(&dev->v4l2_dev, "untested firmware, the driver might"
-			  " not work.\n");
+		v4l2_info(&dev->v4l2_dev, "untested firmware, the driver might not work.\n");
 		if (dev->fw_ver >= HDPVR_FIRMWARE_VERSION_AC3)
 			dev->flags |= HDPVR_FLAG_AC3_CAP;
 		else
diff --git a/drivers/media/usb/hdpvr/hdpvr-i2c.c b/drivers/media/usb/hdpvr/hdpvr-i2c.c
index 9b641c4d4431..fcab55038d99 100644
--- a/drivers/media/usb/hdpvr/hdpvr-i2c.c
+++ b/drivers/media/usb/hdpvr/hdpvr-i2c.c
@@ -145,15 +145,14 @@ static int hdpvr_transfer(struct i2c_adapter *i2c_adapter, struct i2c_msg *msgs,
 						 msgs[0].len);
 	} else if (num == 2) {
 		if (msgs[0].addr != msgs[1].addr) {
-			v4l2_warn(&dev->v4l2_dev, "refusing 2-phase i2c xfer "
-				  "with conflicting target addresses\n");
+			v4l2_warn(&dev->v4l2_dev, "refusing 2-phase i2c xfer with conflicting target addresses\n");
 			retval = -EINVAL;
 			goto out;
 		}
 
 		if ((msgs[0].flags & I2C_M_RD) || !(msgs[1].flags & I2C_M_RD)) {
-			v4l2_warn(&dev->v4l2_dev, "refusing complex xfer with "
-				  "r0=%d, r1=%d\n", msgs[0].flags & I2C_M_RD,
+			v4l2_warn(&dev->v4l2_dev, "refusing complex xfer with r0=%d, r1=%d\n",
+				  msgs[0].flags & I2C_M_RD,
 				  msgs[1].flags & I2C_M_RD);
 			retval = -EINVAL;
 			goto out;
diff --git a/drivers/media/usb/hdpvr/hdpvr-video.c b/drivers/media/usb/hdpvr/hdpvr-video.c
index 474c11e1d495..7fb036d6a86e 100644
--- a/drivers/media/usb/hdpvr/hdpvr-video.c
+++ b/drivers/media/usb/hdpvr/hdpvr-video.c
@@ -336,9 +336,7 @@ static int hdpvr_stop_streaming(struct hdpvr_device *dev)
 
 	buf = kmalloc(dev->bulk_in_size, GFP_KERNEL);
 	if (!buf)
-		v4l2_err(&dev->v4l2_dev, "failed to allocate temporary buffer "
-			 "for emptying the internal device buffer. "
-			 "Next capture start will be slow\n");
+		v4l2_err(&dev->v4l2_dev, "failed to allocate temporary buffer for emptying the internal device buffer. Next capture start will be slow\n");
 
 	dev->status = STATUS_SHUTTING_DOWN;
 	hdpvr_config_call(dev, CTRL_STOP_STREAMING_VALUE, 0x00);
@@ -451,6 +449,7 @@ static ssize_t hdpvr_read(struct file *file, char __user *buffer, size_t count,
 
 		if (buf->status != BUFSTAT_READY &&
 		    dev->status != STATUS_DISCONNECTED) {
+			int err;
 			/* return nonblocking */
 			if (file->f_flags & O_NONBLOCK) {
 				if (!ret)
@@ -458,9 +457,24 @@ static ssize_t hdpvr_read(struct file *file, char __user *buffer, size_t count,
 				goto err;
 			}
 
-			if (wait_event_interruptible(dev->wait_data,
-					      buf->status == BUFSTAT_READY))
-				return -ERESTARTSYS;
+			err = wait_event_interruptible_timeout(dev->wait_data,
+				buf->status == BUFSTAT_READY,
+				msecs_to_jiffies(1000));
+			if (err < 0) {
+				ret = err;
+				goto err;
+			}
+			if (!err) {
+				v4l2_dbg(MSG_INFO, hdpvr_debug, &dev->v4l2_dev,
+					"timeout: restart streaming\n");
+				hdpvr_stop_streaming(dev);
+				msecs_to_jiffies(4000);
+				err = hdpvr_start_streaming(dev);
+				if (err) {
+					ret = err;
+					goto err;
+				}
+			}
 		}
 
 		if (buf->status != BUFSTAT_READY)
diff --git a/drivers/media/usb/pulse8-cec/Kconfig b/drivers/media/usb/pulse8-cec/Kconfig
new file mode 100644
index 000000000000..6ffc407de62f
--- /dev/null
+++ b/drivers/media/usb/pulse8-cec/Kconfig
@@ -0,0 +1,10 @@
+config USB_PULSE8_CEC
+	tristate "Pulse Eight HDMI CEC"
+	depends on USB_ACM && MEDIA_CEC_SUPPORT
+	select SERIO
+	select SERIO_SERPORT
+	---help---
+	  This is a cec driver for the Pulse Eight HDMI CEC device.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called pulse8-cec.
diff --git a/drivers/media/usb/pulse8-cec/Makefile b/drivers/media/usb/pulse8-cec/Makefile
new file mode 100644
index 000000000000..9800690bc25a
--- /dev/null
+++ b/drivers/media/usb/pulse8-cec/Makefile
@@ -0,0 +1 @@
+obj-$(CONFIG_USB_PULSE8_CEC) += pulse8-cec.o
diff --git a/drivers/media/usb/pulse8-cec/pulse8-cec.c b/drivers/media/usb/pulse8-cec/pulse8-cec.c
new file mode 100644
index 000000000000..7c18daeb0ade
--- /dev/null
+++ b/drivers/media/usb/pulse8-cec/pulse8-cec.c
@@ -0,0 +1,761 @@
+/*
+ * Pulse Eight HDMI CEC driver
+ *
+ * Copyright 2016 Hans Verkuil <hverkuil@xs4all.nl
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version of 2 of the License, or (at your
+ * option) any later version. See the file COPYING in the main directory of
+ * this archive for more details.
+ */
+
+/*
+ * Notes:
+ *
+ * - Devices with firmware version < 2 do not store their configuration in
+ *   EEPROM.
+ *
+ * - In autonomous mode, only messages from a TV will be acknowledged, even
+ *   polling messages. Upon receiving a message from a TV, the dongle will
+ *   respond to messages from any logical address.
+ *
+ * - In autonomous mode, the dongle will by default reply Feature Abort
+ *   [Unrecognized Opcode] when it receives Give Device Vendor ID. It will
+ *   however observe vendor ID's reported by other devices and possibly
+ *   alter this behavior. When TV's (and TV's only) report that their vendor ID
+ *   is LG (0x00e091), the dongle will itself reply that it has the same vendor
+ *   ID, and it will respond to at least one vendor specific command.
+ *
+ * - In autonomous mode, the dongle is known to attempt wakeup if it receives
+ *   <User Control Pressed> ["Power On"], ["Power] or ["Power Toggle"], or if it
+ *   receives <Set Stream Path> with its own physical address. It also does this
+ *   if it receives <Vendor Specific Command> [0x03 0x00] from an LG TV.
+ */
+
+#include <linux/completion.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/workqueue.h>
+#include <linux/serio.h>
+#include <linux/slab.h>
+#include <linux/time.h>
+#include <linux/delay.h>
+
+#include <media/cec.h>
+
+MODULE_AUTHOR("Hans Verkuil <hverkuil@xs4all.nl>");
+MODULE_DESCRIPTION("Pulse Eight HDMI CEC driver");
+MODULE_LICENSE("GPL");
+
+static int debug;
+static int persistent_config = 1;
+module_param(debug, int, 0644);
+module_param(persistent_config, int, 0644);
+MODULE_PARM_DESC(debug, "debug level (0-1)");
+MODULE_PARM_DESC(persistent_config, "read config from persistent memory (0-1)");
+
+enum pulse8_msgcodes {
+	MSGCODE_NOTHING = 0,
+	MSGCODE_PING,
+	MSGCODE_TIMEOUT_ERROR,
+	MSGCODE_HIGH_ERROR,
+	MSGCODE_LOW_ERROR,
+	MSGCODE_FRAME_START,
+	MSGCODE_FRAME_DATA,
+	MSGCODE_RECEIVE_FAILED,
+	MSGCODE_COMMAND_ACCEPTED,	/* 0x08 */
+	MSGCODE_COMMAND_REJECTED,
+	MSGCODE_SET_ACK_MASK,
+	MSGCODE_TRANSMIT,
+	MSGCODE_TRANSMIT_EOM,
+	MSGCODE_TRANSMIT_IDLETIME,
+	MSGCODE_TRANSMIT_ACK_POLARITY,
+	MSGCODE_TRANSMIT_LINE_TIMEOUT,
+	MSGCODE_TRANSMIT_SUCCEEDED,	/* 0x10 */
+	MSGCODE_TRANSMIT_FAILED_LINE,
+	MSGCODE_TRANSMIT_FAILED_ACK,
+	MSGCODE_TRANSMIT_FAILED_TIMEOUT_DATA,
+	MSGCODE_TRANSMIT_FAILED_TIMEOUT_LINE,
+	MSGCODE_FIRMWARE_VERSION,
+	MSGCODE_START_BOOTLOADER,
+	MSGCODE_GET_BUILDDATE,
+	MSGCODE_SET_CONTROLLED,		/* 0x18 */
+	MSGCODE_GET_AUTO_ENABLED,
+	MSGCODE_SET_AUTO_ENABLED,
+	MSGCODE_GET_DEFAULT_LOGICAL_ADDRESS,
+	MSGCODE_SET_DEFAULT_LOGICAL_ADDRESS,
+	MSGCODE_GET_LOGICAL_ADDRESS_MASK,
+	MSGCODE_SET_LOGICAL_ADDRESS_MASK,
+	MSGCODE_GET_PHYSICAL_ADDRESS,
+	MSGCODE_SET_PHYSICAL_ADDRESS,	/* 0x20 */
+	MSGCODE_GET_DEVICE_TYPE,
+	MSGCODE_SET_DEVICE_TYPE,
+	MSGCODE_GET_HDMI_VERSION,
+	MSGCODE_SET_HDMI_VERSION,
+	MSGCODE_GET_OSD_NAME,
+	MSGCODE_SET_OSD_NAME,
+	MSGCODE_WRITE_EEPROM,
+	MSGCODE_GET_ADAPTER_TYPE,	/* 0x28 */
+	MSGCODE_SET_ACTIVE_SOURCE,
+
+	MSGCODE_FRAME_EOM = 0x80,
+	MSGCODE_FRAME_ACK = 0x40,
+};
+
+#define MSGSTART	0xff
+#define MSGEND		0xfe
+#define MSGESC		0xfd
+#define MSGOFFSET	3
+
+#define DATA_SIZE 256
+
+#define PING_PERIOD	(15 * HZ)
+
+struct pulse8 {
+	struct device *dev;
+	struct serio *serio;
+	struct cec_adapter *adap;
+	unsigned int vers;
+	struct completion cmd_done;
+	struct work_struct work;
+	struct delayed_work ping_eeprom_work;
+	struct cec_msg rx_msg;
+	u8 data[DATA_SIZE];
+	unsigned int len;
+	u8 buf[DATA_SIZE];
+	unsigned int idx;
+	bool escape;
+	bool started;
+	struct mutex config_lock;
+	struct mutex write_lock;
+	bool config_pending;
+	bool restoring_config;
+	bool autonomous;
+};
+
+static void pulse8_ping_eeprom_work_handler(struct work_struct *work);
+
+static void pulse8_irq_work_handler(struct work_struct *work)
+{
+	struct pulse8 *pulse8 =
+		container_of(work, struct pulse8, work);
+
+	switch (pulse8->data[0] & 0x3f) {
+	case MSGCODE_FRAME_DATA:
+		cec_received_msg(pulse8->adap, &pulse8->rx_msg);
+		break;
+	case MSGCODE_TRANSMIT_SUCCEEDED:
+		cec_transmit_done(pulse8->adap, CEC_TX_STATUS_OK,
+				  0, 0, 0, 0);
+		break;
+	case MSGCODE_TRANSMIT_FAILED_ACK:
+		cec_transmit_done(pulse8->adap, CEC_TX_STATUS_NACK,
+				  0, 1, 0, 0);
+		break;
+	case MSGCODE_TRANSMIT_FAILED_LINE:
+	case MSGCODE_TRANSMIT_FAILED_TIMEOUT_DATA:
+	case MSGCODE_TRANSMIT_FAILED_TIMEOUT_LINE:
+		cec_transmit_done(pulse8->adap, CEC_TX_STATUS_ERROR,
+				  0, 0, 0, 1);
+		break;
+	}
+}
+
+static irqreturn_t pulse8_interrupt(struct serio *serio, unsigned char data,
+				    unsigned int flags)
+{
+	struct pulse8 *pulse8 = serio_get_drvdata(serio);
+
+	if (!pulse8->started && data != MSGSTART)
+		return IRQ_HANDLED;
+	if (data == MSGESC) {
+		pulse8->escape = true;
+		return IRQ_HANDLED;
+	}
+	if (pulse8->escape) {
+		data += MSGOFFSET;
+		pulse8->escape = false;
+	} else if (data == MSGEND) {
+		struct cec_msg *msg = &pulse8->rx_msg;
+
+		if (debug)
+			dev_info(pulse8->dev, "received: %*ph\n",
+				 pulse8->idx, pulse8->buf);
+		pulse8->data[0] = pulse8->buf[0];
+		switch (pulse8->buf[0] & 0x3f) {
+		case MSGCODE_FRAME_START:
+			msg->len = 1;
+			msg->msg[0] = pulse8->buf[1];
+			break;
+		case MSGCODE_FRAME_DATA:
+			if (msg->len == CEC_MAX_MSG_SIZE)
+				break;
+			msg->msg[msg->len++] = pulse8->buf[1];
+			if (pulse8->buf[0] & MSGCODE_FRAME_EOM)
+				schedule_work(&pulse8->work);
+			break;
+		case MSGCODE_TRANSMIT_SUCCEEDED:
+		case MSGCODE_TRANSMIT_FAILED_LINE:
+		case MSGCODE_TRANSMIT_FAILED_ACK:
+		case MSGCODE_TRANSMIT_FAILED_TIMEOUT_DATA:
+		case MSGCODE_TRANSMIT_FAILED_TIMEOUT_LINE:
+			schedule_work(&pulse8->work);
+			break;
+		case MSGCODE_HIGH_ERROR:
+		case MSGCODE_LOW_ERROR:
+		case MSGCODE_RECEIVE_FAILED:
+		case MSGCODE_TIMEOUT_ERROR:
+			break;
+		case MSGCODE_COMMAND_ACCEPTED:
+		case MSGCODE_COMMAND_REJECTED:
+		default:
+			if (pulse8->idx == 0)
+				break;
+			memcpy(pulse8->data, pulse8->buf, pulse8->idx);
+			pulse8->len = pulse8->idx;
+			complete(&pulse8->cmd_done);
+			break;
+		}
+		pulse8->idx = 0;
+		pulse8->started = false;
+		return IRQ_HANDLED;
+	} else if (data == MSGSTART) {
+		pulse8->idx = 0;
+		pulse8->started = true;
+		return IRQ_HANDLED;
+	}
+
+	if (pulse8->idx >= DATA_SIZE) {
+		dev_dbg(pulse8->dev,
+			"throwing away %d bytes of garbage\n", pulse8->idx);
+		pulse8->idx = 0;
+	}
+	pulse8->buf[pulse8->idx++] = data;
+	return IRQ_HANDLED;
+}
+
+static void pulse8_disconnect(struct serio *serio)
+{
+	struct pulse8 *pulse8 = serio_get_drvdata(serio);
+
+	cec_unregister_adapter(pulse8->adap);
+	cancel_delayed_work_sync(&pulse8->ping_eeprom_work);
+	dev_info(&serio->dev, "disconnected\n");
+	serio_close(serio);
+	serio_set_drvdata(serio, NULL);
+	kfree(pulse8);
+}
+
+static int pulse8_send(struct serio *serio, const u8 *command, u8 cmd_len)
+{
+	int err = 0;
+
+	err = serio_write(serio, MSGSTART);
+	if (err)
+		return err;
+	for (; !err && cmd_len; command++, cmd_len--) {
+		if (*command >= MSGESC) {
+			err = serio_write(serio, MSGESC);
+			if (!err)
+				err = serio_write(serio, *command - MSGOFFSET);
+		} else {
+			err = serio_write(serio, *command);
+		}
+	}
+	if (!err)
+		err = serio_write(serio, MSGEND);
+
+	return err;
+}
+
+static int pulse8_send_and_wait_once(struct pulse8 *pulse8,
+				     const u8 *cmd, u8 cmd_len,
+				     u8 response, u8 size)
+{
+	int err;
+
+	/*dev_info(pulse8->dev, "transmit: %*ph\n", cmd_len, cmd);*/
+	init_completion(&pulse8->cmd_done);
+
+	err = pulse8_send(pulse8->serio, cmd, cmd_len);
+	if (err)
+		return err;
+
+	if (!wait_for_completion_timeout(&pulse8->cmd_done, HZ))
+		return -ETIMEDOUT;
+	if ((pulse8->data[0] & 0x3f) == MSGCODE_COMMAND_REJECTED &&
+	    cmd[0] != MSGCODE_SET_CONTROLLED &&
+	    cmd[0] != MSGCODE_SET_AUTO_ENABLED &&
+	    cmd[0] != MSGCODE_GET_BUILDDATE)
+		return -ENOTTY;
+	if (response &&
+	    ((pulse8->data[0] & 0x3f) != response || pulse8->len < size + 1)) {
+		dev_info(pulse8->dev, "transmit: failed %02x\n",
+			 pulse8->data[0] & 0x3f);
+		return -EIO;
+	}
+	return 0;
+}
+
+static int pulse8_send_and_wait(struct pulse8 *pulse8,
+				const u8 *cmd, u8 cmd_len, u8 response, u8 size)
+{
+	u8 cmd_sc[2];
+	int err;
+
+	mutex_lock(&pulse8->write_lock);
+	err = pulse8_send_and_wait_once(pulse8, cmd, cmd_len, response, size);
+
+	if (err == -ENOTTY) {
+		cmd_sc[0] = MSGCODE_SET_CONTROLLED;
+		cmd_sc[1] = 1;
+		err = pulse8_send_and_wait_once(pulse8, cmd_sc, 2,
+						MSGCODE_COMMAND_ACCEPTED, 1);
+		if (err)
+			goto unlock;
+		err = pulse8_send_and_wait_once(pulse8, cmd, cmd_len,
+						response, size);
+	}
+
+unlock:
+	mutex_unlock(&pulse8->write_lock);
+	return err == -ENOTTY ? -EIO : err;
+}
+
+static int pulse8_setup(struct pulse8 *pulse8, struct serio *serio,
+			struct cec_log_addrs *log_addrs, u16 *pa)
+{
+	u8 *data = pulse8->data + 1;
+	u8 cmd[2];
+	int err;
+	struct tm tm;
+	time_t date;
+
+	pulse8->vers = 0;
+
+	cmd[0] = MSGCODE_FIRMWARE_VERSION;
+	err = pulse8_send_and_wait(pulse8, cmd, 1, cmd[0], 2);
+	if (err)
+		return err;
+	pulse8->vers = (data[0] << 8) | data[1];
+	dev_info(pulse8->dev, "Firmware version %04x\n", pulse8->vers);
+	if (pulse8->vers < 2) {
+		*pa = CEC_PHYS_ADDR_INVALID;
+		return 0;
+	}
+
+	cmd[0] = MSGCODE_GET_BUILDDATE;
+	err = pulse8_send_and_wait(pulse8, cmd, 1, cmd[0], 4);
+	if (err)
+		return err;
+	date = (data[0] << 24) | (data[1] << 16) | (data[2] << 8) | data[3];
+	time_to_tm(date, 0, &tm);
+	dev_info(pulse8->dev, "Firmware build date %04ld.%02d.%02d %02d:%02d:%02d\n",
+		 tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday,
+		 tm.tm_hour, tm.tm_min, tm.tm_sec);
+
+	dev_dbg(pulse8->dev, "Persistent config:\n");
+	cmd[0] = MSGCODE_GET_AUTO_ENABLED;
+	err = pulse8_send_and_wait(pulse8, cmd, 1, cmd[0], 1);
+	if (err)
+		return err;
+	pulse8->autonomous = data[0];
+	dev_dbg(pulse8->dev, "Autonomous mode: %s",
+		data[0] ? "on" : "off");
+
+	cmd[0] = MSGCODE_GET_DEVICE_TYPE;
+	err = pulse8_send_and_wait(pulse8, cmd, 1, cmd[0], 1);
+	if (err)
+		return err;
+	log_addrs->primary_device_type[0] = data[0];
+	dev_dbg(pulse8->dev, "Primary device type: %d\n", data[0]);
+	switch (log_addrs->primary_device_type[0]) {
+	case CEC_OP_PRIM_DEVTYPE_TV:
+		log_addrs->log_addr_type[0] = CEC_LOG_ADDR_TYPE_TV;
+		log_addrs->all_device_types[0] = CEC_OP_ALL_DEVTYPE_TV;
+		break;
+	case CEC_OP_PRIM_DEVTYPE_RECORD:
+		log_addrs->log_addr_type[0] = CEC_LOG_ADDR_TYPE_RECORD;
+		log_addrs->all_device_types[0] = CEC_OP_ALL_DEVTYPE_RECORD;
+		break;
+	case CEC_OP_PRIM_DEVTYPE_TUNER:
+		log_addrs->log_addr_type[0] = CEC_LOG_ADDR_TYPE_TUNER;
+		log_addrs->all_device_types[0] = CEC_OP_ALL_DEVTYPE_TUNER;
+		break;
+	case CEC_OP_PRIM_DEVTYPE_PLAYBACK:
+		log_addrs->log_addr_type[0] = CEC_LOG_ADDR_TYPE_PLAYBACK;
+		log_addrs->all_device_types[0] = CEC_OP_ALL_DEVTYPE_PLAYBACK;
+		break;
+	case CEC_OP_PRIM_DEVTYPE_AUDIOSYSTEM:
+		log_addrs->log_addr_type[0] = CEC_LOG_ADDR_TYPE_PLAYBACK;
+		log_addrs->all_device_types[0] = CEC_OP_ALL_DEVTYPE_AUDIOSYSTEM;
+		break;
+	case CEC_OP_PRIM_DEVTYPE_SWITCH:
+		log_addrs->log_addr_type[0] = CEC_LOG_ADDR_TYPE_UNREGISTERED;
+		log_addrs->all_device_types[0] = CEC_OP_ALL_DEVTYPE_SWITCH;
+		break;
+	case CEC_OP_PRIM_DEVTYPE_PROCESSOR:
+		log_addrs->log_addr_type[0] = CEC_LOG_ADDR_TYPE_SPECIFIC;
+		log_addrs->all_device_types[0] = CEC_OP_ALL_DEVTYPE_SWITCH;
+		break;
+	default:
+		log_addrs->log_addr_type[0] = CEC_LOG_ADDR_TYPE_UNREGISTERED;
+		log_addrs->all_device_types[0] = CEC_OP_ALL_DEVTYPE_SWITCH;
+		dev_info(pulse8->dev, "Unknown Primary Device Type: %d\n",
+			 log_addrs->primary_device_type[0]);
+		break;
+	}
+
+	cmd[0] = MSGCODE_GET_LOGICAL_ADDRESS_MASK;
+	err = pulse8_send_and_wait(pulse8, cmd, 1, cmd[0], 2);
+	if (err)
+		return err;
+	log_addrs->log_addr_mask = (data[0] << 8) | data[1];
+	dev_dbg(pulse8->dev, "Logical address ACK mask: %x\n",
+		log_addrs->log_addr_mask);
+	if (log_addrs->log_addr_mask)
+		log_addrs->num_log_addrs = 1;
+
+	cmd[0] = MSGCODE_GET_PHYSICAL_ADDRESS;
+	err = pulse8_send_and_wait(pulse8, cmd, 1, cmd[0], 1);
+	if (err)
+		return err;
+	*pa = (data[0] << 8) | data[1];
+	dev_dbg(pulse8->dev, "Physical address: %x.%x.%x.%x\n",
+		cec_phys_addr_exp(*pa));
+
+	cmd[0] = MSGCODE_GET_HDMI_VERSION;
+	err = pulse8_send_and_wait(pulse8, cmd, 1, cmd[0], 1);
+	if (err)
+		return err;
+	log_addrs->cec_version = data[0];
+	dev_dbg(pulse8->dev, "CEC version: %d\n", log_addrs->cec_version);
+
+	cmd[0] = MSGCODE_GET_OSD_NAME;
+	err = pulse8_send_and_wait(pulse8, cmd, 1, cmd[0], 0);
+	if (err)
+		return err;
+	strncpy(log_addrs->osd_name, data, 13);
+	dev_dbg(pulse8->dev, "OSD name: %s\n", log_addrs->osd_name);
+
+	return 0;
+}
+
+static int pulse8_apply_persistent_config(struct pulse8 *pulse8,
+					  struct cec_log_addrs *log_addrs,
+					  u16 pa)
+{
+	int err;
+
+	err = cec_s_log_addrs(pulse8->adap, log_addrs, false);
+	if (err)
+		return err;
+
+	cec_s_phys_addr(pulse8->adap, pa, false);
+
+	return 0;
+}
+
+static int pulse8_cec_adap_enable(struct cec_adapter *adap, bool enable)
+{
+	struct pulse8 *pulse8 = adap->priv;
+	u8 cmd[16];
+	int err;
+
+	cmd[0] = MSGCODE_SET_CONTROLLED;
+	cmd[1] = enable;
+	err = pulse8_send_and_wait(pulse8, cmd, 2,
+				   MSGCODE_COMMAND_ACCEPTED, 1);
+	return enable ? err : 0;
+}
+
+static int pulse8_cec_adap_log_addr(struct cec_adapter *adap, u8 log_addr)
+{
+	struct pulse8 *pulse8 = adap->priv;
+	u16 mask = 0;
+	u16 pa = adap->phys_addr;
+	u8 cmd[16];
+	int err = 0;
+
+	mutex_lock(&pulse8->config_lock);
+	if (log_addr != CEC_LOG_ADDR_INVALID)
+		mask = 1 << log_addr;
+	cmd[0] = MSGCODE_SET_ACK_MASK;
+	cmd[1] = mask >> 8;
+	cmd[2] = mask & 0xff;
+	err = pulse8_send_and_wait(pulse8, cmd, 3,
+				   MSGCODE_COMMAND_ACCEPTED, 0);
+	if ((err && mask != 0) || pulse8->restoring_config)
+		goto unlock;
+
+	cmd[0] = MSGCODE_SET_AUTO_ENABLED;
+	cmd[1] = log_addr == CEC_LOG_ADDR_INVALID ? 0 : 1;
+	err = pulse8_send_and_wait(pulse8, cmd, 2,
+				   MSGCODE_COMMAND_ACCEPTED, 0);
+	if (err)
+		goto unlock;
+	pulse8->autonomous = cmd[1];
+	if (log_addr == CEC_LOG_ADDR_INVALID)
+		goto unlock;
+
+	cmd[0] = MSGCODE_SET_DEVICE_TYPE;
+	cmd[1] = adap->log_addrs.primary_device_type[0];
+	err = pulse8_send_and_wait(pulse8, cmd, 2,
+				   MSGCODE_COMMAND_ACCEPTED, 0);
+	if (err)
+		goto unlock;
+
+	switch (adap->log_addrs.primary_device_type[0]) {
+	case CEC_OP_PRIM_DEVTYPE_TV:
+		mask = CEC_LOG_ADDR_MASK_TV;
+		break;
+	case CEC_OP_PRIM_DEVTYPE_RECORD:
+		mask = CEC_LOG_ADDR_MASK_RECORD;
+		break;
+	case CEC_OP_PRIM_DEVTYPE_TUNER:
+		mask = CEC_LOG_ADDR_MASK_TUNER;
+		break;
+	case CEC_OP_PRIM_DEVTYPE_PLAYBACK:
+		mask = CEC_LOG_ADDR_MASK_PLAYBACK;
+		break;
+	case CEC_OP_PRIM_DEVTYPE_AUDIOSYSTEM:
+		mask = CEC_LOG_ADDR_MASK_AUDIOSYSTEM;
+		break;
+	case CEC_OP_PRIM_DEVTYPE_SWITCH:
+		mask = CEC_LOG_ADDR_MASK_UNREGISTERED;
+		break;
+	case CEC_OP_PRIM_DEVTYPE_PROCESSOR:
+		mask = CEC_LOG_ADDR_MASK_SPECIFIC;
+		break;
+	default:
+		mask = 0;
+		break;
+	}
+	cmd[0] = MSGCODE_SET_LOGICAL_ADDRESS_MASK;
+	cmd[1] = mask >> 8;
+	cmd[2] = mask & 0xff;
+	err = pulse8_send_and_wait(pulse8, cmd, 3,
+				   MSGCODE_COMMAND_ACCEPTED, 0);
+	if (err)
+		goto unlock;
+
+	cmd[0] = MSGCODE_SET_DEFAULT_LOGICAL_ADDRESS;
+	cmd[1] = log_addr;
+	err = pulse8_send_and_wait(pulse8, cmd, 2,
+				   MSGCODE_COMMAND_ACCEPTED, 0);
+	if (err)
+		goto unlock;
+
+	cmd[0] = MSGCODE_SET_PHYSICAL_ADDRESS;
+	cmd[1] = pa >> 8;
+	cmd[2] = pa & 0xff;
+	err = pulse8_send_and_wait(pulse8, cmd, 3,
+				   MSGCODE_COMMAND_ACCEPTED, 0);
+	if (err)
+		goto unlock;
+
+	cmd[0] = MSGCODE_SET_HDMI_VERSION;
+	cmd[1] = adap->log_addrs.cec_version;
+	err = pulse8_send_and_wait(pulse8, cmd, 2,
+				   MSGCODE_COMMAND_ACCEPTED, 0);
+	if (err)
+		goto unlock;
+
+	if (adap->log_addrs.osd_name[0]) {
+		size_t osd_len = strlen(adap->log_addrs.osd_name);
+		char *osd_str = cmd + 1;
+
+		cmd[0] = MSGCODE_SET_OSD_NAME;
+		strncpy(cmd + 1, adap->log_addrs.osd_name, 13);
+		if (osd_len < 4) {
+			memset(osd_str + osd_len, ' ', 4 - osd_len);
+			osd_len = 4;
+			osd_str[osd_len] = '\0';
+			strcpy(adap->log_addrs.osd_name, osd_str);
+		}
+		err = pulse8_send_and_wait(pulse8, cmd, 1 + osd_len,
+					   MSGCODE_COMMAND_ACCEPTED, 0);
+		if (err)
+			goto unlock;
+	}
+
+unlock:
+	if (pulse8->restoring_config)
+		pulse8->restoring_config = false;
+	else
+		pulse8->config_pending = true;
+	mutex_unlock(&pulse8->config_lock);
+	return err;
+}
+
+static int pulse8_cec_adap_transmit(struct cec_adapter *adap, u8 attempts,
+				    u32 signal_free_time, struct cec_msg *msg)
+{
+	struct pulse8 *pulse8 = adap->priv;
+	u8 cmd[2];
+	unsigned int i;
+	int err;
+
+	cmd[0] = MSGCODE_TRANSMIT_IDLETIME;
+	cmd[1] = signal_free_time;
+	err = pulse8_send_and_wait(pulse8, cmd, 2,
+				   MSGCODE_COMMAND_ACCEPTED, 1);
+	cmd[0] = MSGCODE_TRANSMIT_ACK_POLARITY;
+	cmd[1] = cec_msg_is_broadcast(msg);
+	if (!err)
+		err = pulse8_send_and_wait(pulse8, cmd, 2,
+					   MSGCODE_COMMAND_ACCEPTED, 1);
+	cmd[0] = msg->len == 1 ? MSGCODE_TRANSMIT_EOM : MSGCODE_TRANSMIT;
+	cmd[1] = msg->msg[0];
+	if (!err)
+		err = pulse8_send_and_wait(pulse8, cmd, 2,
+					   MSGCODE_COMMAND_ACCEPTED, 1);
+	if (!err && msg->len > 1) {
+		cmd[0] = msg->len == 2 ? MSGCODE_TRANSMIT_EOM :
+					 MSGCODE_TRANSMIT;
+		cmd[1] = msg->msg[1];
+		err = pulse8_send_and_wait(pulse8, cmd, 2,
+					   MSGCODE_COMMAND_ACCEPTED, 1);
+		for (i = 0; !err && i + 2 < msg->len; i++) {
+			cmd[0] = (i + 2 == msg->len - 1) ?
+				MSGCODE_TRANSMIT_EOM : MSGCODE_TRANSMIT;
+			cmd[1] = msg->msg[i + 2];
+			err = pulse8_send_and_wait(pulse8, cmd, 2,
+						   MSGCODE_COMMAND_ACCEPTED, 1);
+		}
+	}
+
+	return err;
+}
+
+static int pulse8_received(struct cec_adapter *adap, struct cec_msg *msg)
+{
+	return -ENOMSG;
+}
+
+static const struct cec_adap_ops pulse8_cec_adap_ops = {
+	.adap_enable = pulse8_cec_adap_enable,
+	.adap_log_addr = pulse8_cec_adap_log_addr,
+	.adap_transmit = pulse8_cec_adap_transmit,
+	.received = pulse8_received,
+};
+
+static int pulse8_connect(struct serio *serio, struct serio_driver *drv)
+{
+	u32 caps = CEC_CAP_TRANSMIT | CEC_CAP_LOG_ADDRS | CEC_CAP_PHYS_ADDR |
+		CEC_CAP_PASSTHROUGH | CEC_CAP_RC | CEC_CAP_MONITOR_ALL;
+	struct pulse8 *pulse8;
+	int err = -ENOMEM;
+	struct cec_log_addrs log_addrs = {};
+	u16 pa = CEC_PHYS_ADDR_INVALID;
+
+	pulse8 = kzalloc(sizeof(*pulse8), GFP_KERNEL);
+
+	if (!pulse8)
+		return -ENOMEM;
+
+	pulse8->serio = serio;
+	pulse8->adap = cec_allocate_adapter(&pulse8_cec_adap_ops, pulse8,
+		"HDMI CEC", caps, 1);
+	err = PTR_ERR_OR_ZERO(pulse8->adap);
+	if (err < 0)
+		goto free_device;
+
+	pulse8->dev = &serio->dev;
+	serio_set_drvdata(serio, pulse8);
+	INIT_WORK(&pulse8->work, pulse8_irq_work_handler);
+	mutex_init(&pulse8->write_lock);
+	mutex_init(&pulse8->config_lock);
+	pulse8->config_pending = false;
+
+	err = serio_open(serio, drv);
+	if (err)
+		goto delete_adap;
+
+	err = pulse8_setup(pulse8, serio, &log_addrs, &pa);
+	if (err)
+		goto close_serio;
+
+	err = cec_register_adapter(pulse8->adap, &serio->dev);
+	if (err < 0)
+		goto close_serio;
+
+	pulse8->dev = &pulse8->adap->devnode.dev;
+
+	if (persistent_config && pulse8->autonomous) {
+		err = pulse8_apply_persistent_config(pulse8, &log_addrs, pa);
+		if (err)
+			goto close_serio;
+		pulse8->restoring_config = true;
+	}
+
+	INIT_DELAYED_WORK(&pulse8->ping_eeprom_work,
+			  pulse8_ping_eeprom_work_handler);
+	schedule_delayed_work(&pulse8->ping_eeprom_work, PING_PERIOD);
+
+	return 0;
+
+close_serio:
+	serio_close(serio);
+delete_adap:
+	cec_delete_adapter(pulse8->adap);
+	serio_set_drvdata(serio, NULL);
+free_device:
+	kfree(pulse8);
+	return err;
+}
+
+static void pulse8_ping_eeprom_work_handler(struct work_struct *work)
+{
+	struct pulse8 *pulse8 =
+		container_of(work, struct pulse8, ping_eeprom_work.work);
+	u8 cmd;
+
+	schedule_delayed_work(&pulse8->ping_eeprom_work, PING_PERIOD);
+	cmd = MSGCODE_PING;
+	pulse8_send_and_wait(pulse8, &cmd, 1,
+			     MSGCODE_COMMAND_ACCEPTED, 0);
+
+	if (pulse8->vers < 2)
+		return;
+
+	mutex_lock(&pulse8->config_lock);
+	if (pulse8->config_pending && persistent_config) {
+		dev_dbg(pulse8->dev, "writing pending config to EEPROM\n");
+		cmd = MSGCODE_WRITE_EEPROM;
+		if (pulse8_send_and_wait(pulse8, &cmd, 1,
+					 MSGCODE_COMMAND_ACCEPTED, 0))
+			dev_info(pulse8->dev, "failed to write pending config to EEPROM\n");
+		else
+			pulse8->config_pending = false;
+	}
+	mutex_unlock(&pulse8->config_lock);
+}
+
+static struct serio_device_id pulse8_serio_ids[] = {
+	{
+		.type	= SERIO_RS232,
+		.proto	= SERIO_PULSE8_CEC,
+		.id	= SERIO_ANY,
+		.extra	= SERIO_ANY,
+	},
+	{ 0 }
+};
+
+MODULE_DEVICE_TABLE(serio, pulse8_serio_ids);
+
+static struct serio_driver pulse8_drv = {
+	.driver		= {
+		.name	= "pulse8-cec",
+	},
+	.description	= "Pulse Eight HDMI CEC driver",
+	.id_table	= pulse8_serio_ids,
+	.interrupt	= pulse8_interrupt,
+	.connect	= pulse8_connect,
+	.disconnect	= pulse8_disconnect,
+};
+
+module_serio_driver(pulse8_drv);
diff --git a/drivers/media/usb/pvrusb2/pvrusb2-audio.c b/drivers/media/usb/pvrusb2/pvrusb2-audio.c
index 5f953d837bf1..3bac50a248d4 100644
--- a/drivers/media/usb/pvrusb2/pvrusb2-audio.c
+++ b/drivers/media/usb/pvrusb2/pvrusb2-audio.c
@@ -74,9 +74,7 @@ void pvr2_msp3400_subdev_update(struct pvr2_hdw *hdw, struct v4l2_subdev *sd)
 			input = sp->def[hdw->input_val];
 		} else {
 			pvr2_trace(PVR2_TRACE_ERROR_LEGS,
-				   "*** WARNING *** subdev msp3400 set_input:"
-				   " Invalid routing scheme (%u)"
-				   " and/or input (%d)",
+				   "*** WARNING *** subdev msp3400 set_input: Invalid routing scheme (%u) and/or input (%d)",
 				   sid, hdw->input_val);
 			return;
 		}
diff --git a/drivers/media/usb/pvrusb2/pvrusb2-cs53l32a.c b/drivers/media/usb/pvrusb2/pvrusb2-cs53l32a.c
index f82f0f0f2c04..7f29a0464f36 100644
--- a/drivers/media/usb/pvrusb2/pvrusb2-cs53l32a.c
+++ b/drivers/media/usb/pvrusb2/pvrusb2-cs53l32a.c
@@ -72,9 +72,7 @@ void pvr2_cs53l32a_subdev_update(struct pvr2_hdw *hdw, struct v4l2_subdev *sd)
 		    (hdw->input_val < 0) ||
 		    (hdw->input_val >= sp->cnt)) {
 			pvr2_trace(PVR2_TRACE_ERROR_LEGS,
-				   "*** WARNING *** subdev v4l2 set_input:"
-				   " Invalid routing scheme (%u)"
-				   " and/or input (%d)",
+				   "*** WARNING *** subdev v4l2 set_input: Invalid routing scheme (%u) and/or input (%d)",
 				   sid, hdw->input_val);
 			return;
 		}
diff --git a/drivers/media/usb/pvrusb2/pvrusb2-cx2584x-v4l.c b/drivers/media/usb/pvrusb2/pvrusb2-cx2584x-v4l.c
index 7d675fae1846..30eef97ef2ef 100644
--- a/drivers/media/usb/pvrusb2/pvrusb2-cx2584x-v4l.c
+++ b/drivers/media/usb/pvrusb2/pvrusb2-cx2584x-v4l.c
@@ -137,9 +137,7 @@ void pvr2_cx25840_subdev_update(struct pvr2_hdw *hdw, struct v4l2_subdev *sd)
 		    (hdw->input_val < 0) ||
 		    (hdw->input_val >= sp->cnt)) {
 			pvr2_trace(PVR2_TRACE_ERROR_LEGS,
-				   "*** WARNING *** subdev cx2584x set_input:"
-				   " Invalid routing scheme (%u)"
-				   " and/or input (%d)",
+				   "*** WARNING *** subdev cx2584x set_input: Invalid routing scheme (%u) and/or input (%d)",
 				   sid, hdw->input_val);
 			return;
 		}
diff --git a/drivers/media/usb/pvrusb2/pvrusb2-debugifc.c b/drivers/media/usb/pvrusb2/pvrusb2-debugifc.c
index e4022bcb155b..58ec706ebdb3 100644
--- a/drivers/media/usb/pvrusb2/pvrusb2-debugifc.c
+++ b/drivers/media/usb/pvrusb2/pvrusb2-debugifc.c
@@ -176,9 +176,7 @@ int pvr2_debugifc_print_status(struct pvr2_hdw *hdw,
 		pvr2_stream_get_stats(sp, &stats, 0);
 		ccnt = scnprintf(
 			buf,acnt,
-			"Bytes streamed=%u"
-			" URBs: queued=%u idle=%u ready=%u"
-			" processed=%u failed=%u\n",
+			"Bytes streamed=%u URBs: queued=%u idle=%u ready=%u processed=%u failed=%u\n",
 			stats.bytes_processed,
 			stats.buffers_in_queue,
 			stats.buffers_in_idle,
diff --git a/drivers/media/usb/pvrusb2/pvrusb2-eeprom.c b/drivers/media/usb/pvrusb2/pvrusb2-eeprom.c
index e1907cd0c3b7..276b17fb9aad 100644
--- a/drivers/media/usb/pvrusb2/pvrusb2-eeprom.c
+++ b/drivers/media/usb/pvrusb2/pvrusb2-eeprom.c
@@ -56,8 +56,7 @@ static u8 *pvr2_eeprom_fetch(struct pvr2_hdw *hdw)
 	eeprom = kmalloc(EEPROM_SIZE,GFP_KERNEL);
 	if (!eeprom) {
 		pvr2_trace(PVR2_TRACE_ERROR_LEGS,
-			   "Failed to allocate memory"
-			   " required to read eeprom");
+			   "Failed to allocate memory required to read eeprom");
 		return NULL;
 	}
 
@@ -74,8 +73,8 @@ static u8 *pvr2_eeprom_fetch(struct pvr2_hdw *hdw)
 	   strange but it's what they do) */
 	mode16 = (addr & 1);
 	eepromSize = (mode16 ? 4096 : 256);
-	trace_eeprom("Examining %d byte eeprom at location 0x%x"
-		     " using %d bit addressing",eepromSize,addr,
+	trace_eeprom("Examining %d byte eeprom at location 0x%x using %d bit addressing",
+		     eepromSize, addr,
 		     mode16 ? 16 : 8);
 
 	msg[0].addr = addr;
diff --git a/drivers/media/usb/pvrusb2/pvrusb2-encoder.c b/drivers/media/usb/pvrusb2/pvrusb2-encoder.c
index 593b3e9b6bfd..f0483621d2a3 100644
--- a/drivers/media/usb/pvrusb2/pvrusb2-encoder.c
+++ b/drivers/media/usb/pvrusb2/pvrusb2-encoder.c
@@ -188,9 +188,7 @@ static int pvr2_encoder_cmd(void *ctxt,
 	if (arg_cnt_send > (ARRAY_SIZE(wrData) - 4)) {
 		pvr2_trace(
 			PVR2_TRACE_ERROR_LEGS,
-			"Failed to write cx23416 command"
-			" - too many input arguments"
-			" (was given %u limit %lu)",
+			"Failed to write cx23416 command - too many input arguments (was given %u limit %lu)",
 			arg_cnt_send, (long unsigned) ARRAY_SIZE(wrData) - 4);
 		return -EINVAL;
 	}
@@ -198,9 +196,7 @@ static int pvr2_encoder_cmd(void *ctxt,
 	if (arg_cnt_recv > (ARRAY_SIZE(rdData) - 4)) {
 		pvr2_trace(
 			PVR2_TRACE_ERROR_LEGS,
-			"Failed to write cx23416 command"
-			" - too many return arguments"
-			" (was given %u limit %lu)",
+			"Failed to write cx23416 command - too many return arguments (was given %u limit %lu)",
 			arg_cnt_recv, (long unsigned) ARRAY_SIZE(rdData) - 4);
 		return -EINVAL;
 	}
@@ -248,14 +244,12 @@ static int pvr2_encoder_cmd(void *ctxt,
 				retry_flag = !0;
 				pvr2_trace(
 					PVR2_TRACE_ERROR_LEGS,
-					"Encoder timed out waiting for us"
-					"; arranging to retry");
+					"Encoder timed out waiting for us; arranging to retry");
 			} else {
 				pvr2_trace(
 					PVR2_TRACE_ERROR_LEGS,
-					"***WARNING*** device's encoder"
-					" appears to be stuck"
-					" (status=0x%08x)",rdData[0]);
+					"***WARNING*** device's encoder appears to be stuck (status=0x%08x)",
+rdData[0]);
 			}
 			pvr2_trace(
 				PVR2_TRACE_ERROR_LEGS,
@@ -293,11 +287,7 @@ static int pvr2_encoder_cmd(void *ctxt,
 			}
 			pvr2_trace(
 				PVR2_TRACE_ERROR_LEGS,
-				"Giving up on command."
-				"  This is normally recovered via a firmware"
-				" reload and re-initialization; concern"
-				" is only warranted if this happens repeatedly"
-				" and rapidly.");
+				"Giving up on command.  This is normally recovered via a firmware reload and re-initialization; concern is only warranted if this happens repeatedly and rapidly.");
 			break;
 		}
 		wrData[0] = 0x7;
@@ -325,9 +315,7 @@ static int pvr2_encoder_vcmd(struct pvr2_hdw *hdw, int cmd,
 	if (args > ARRAY_SIZE(data)) {
 		pvr2_trace(
 			PVR2_TRACE_ERROR_LEGS,
-			"Failed to write cx23416 command"
-			" - too many arguments"
-			" (was given %u limit %lu)",
+			"Failed to write cx23416 command - too many arguments (was given %u limit %lu)",
 			args, (long unsigned) ARRAY_SIZE(data));
 		return -EINVAL;
 	}
@@ -433,8 +421,7 @@ int pvr2_encoder_configure(struct pvr2_hdw *hdw)
 {
 	int ret;
 	int val;
-	pvr2_trace(PVR2_TRACE_ENCODER,"pvr2_encoder_configure"
-		   " (cx2341x module)");
+	pvr2_trace(PVR2_TRACE_ENCODER, "pvr2_encoder_configure (cx2341x module)");
 	hdw->enc_ctl_state.port = CX2341X_PORT_STREAMING;
 	hdw->enc_ctl_state.width = hdw->res_hor_val;
 	hdw->enc_ctl_state.height = hdw->res_ver_val;
diff --git a/drivers/media/usb/pvrusb2/pvrusb2-hdw.c b/drivers/media/usb/pvrusb2/pvrusb2-hdw.c
index 1eb4f7ba2967..e3ed8ffee9f7 100644
--- a/drivers/media/usb/pvrusb2/pvrusb2-hdw.c
+++ b/drivers/media/usb/pvrusb2/pvrusb2-hdw.c
@@ -1371,8 +1371,7 @@ static int pvr2_locate_firmware(struct pvr2_hdw *hdw,
 				       fwnames[idx],
 				       &hdw->usb_dev->dev);
 		if (!ret) {
-			trace_firmware("Located %s firmware: %s;"
-				       " uploading...",
+			trace_firmware("Located %s firmware: %s; uploading...",
 				       fwtypename,
 				       fwnames[idx]);
 			return idx;
@@ -1383,21 +1382,17 @@ static int pvr2_locate_firmware(struct pvr2_hdw *hdw,
 		return ret;
 	}
 	pvr2_trace(PVR2_TRACE_ERROR_LEGS,
-		   "***WARNING***"
-		   " Device %s firmware"
-		   " seems to be missing.",
+		   "***WARNING*** Device %s firmware seems to be missing.",
 		   fwtypename);
 	pvr2_trace(PVR2_TRACE_ERROR_LEGS,
-		   "Did you install the pvrusb2 firmware files"
-		   " in their proper location?");
+		   "Did you install the pvrusb2 firmware files in their proper location?");
 	if (fwcount == 1) {
 		pvr2_trace(PVR2_TRACE_ERROR_LEGS,
 			   "request_firmware unable to locate %s file %s",
 			   fwtypename,fwnames[0]);
 	} else {
 		pvr2_trace(PVR2_TRACE_ERROR_LEGS,
-			   "request_firmware unable to locate"
-			   " one of the following %s files:",
+			   "request_firmware unable to locate one of the following %s files:",
 			   fwtypename);
 		for (idx = 0; idx < fwcount; idx++) {
 			pvr2_trace(PVR2_TRACE_ERROR_LEGS,
@@ -1431,8 +1426,7 @@ static int pvr2_upload_firmware1(struct pvr2_hdw *hdw)
 	if (!hdw->hdw_desc->fx2_firmware.cnt) {
 		hdw->fw1_state = FW1_STATE_OK;
 		pvr2_trace(PVR2_TRACE_ERROR_LEGS,
-			   "Connected device type defines"
-			   " no firmware to upload; ignoring firmware");
+			   "Connected device type defines no firmware to upload; ignoring firmware");
 		return -ENOTTY;
 	}
 
@@ -1457,13 +1451,11 @@ static int pvr2_upload_firmware1(struct pvr2_hdw *hdw)
 	    (!(hdw->hdw_desc->flag_fx2_16kb && (fwsize == 0x4000)))) {
 		if (hdw->hdw_desc->flag_fx2_16kb) {
 			pvr2_trace(PVR2_TRACE_ERROR_LEGS,
-				   "Wrong fx2 firmware size"
-				   " (expected 8192 or 16384, got %u)",
+				   "Wrong fx2 firmware size (expected 8192 or 16384, got %u)",
 				   fwsize);
 		} else {
 			pvr2_trace(PVR2_TRACE_ERROR_LEGS,
-				   "Wrong fx2 firmware size"
-				   " (expected 8192, got %u)",
+				   "Wrong fx2 firmware size (expected 8192, got %u)",
 				   fwsize);
 		}
 		release_firmware(fw_entry);
@@ -1585,8 +1577,7 @@ int pvr2_upload_firmware2(struct pvr2_hdw *hdw)
 
 	if (fw_len % sizeof(u32)) {
 		pvr2_trace(PVR2_TRACE_ERROR_LEGS,
-			   "size of %s firmware"
-			   " must be a multiple of %zu bytes",
+			   "size of %s firmware must be a multiple of %zu bytes",
 			   fw_files[fwidx],sizeof(u32));
 		release_firmware(fw_entry);
 		ret = -EINVAL;
@@ -1887,8 +1878,7 @@ static void pvr2_hdw_setup_std(struct pvr2_hdw *hdw)
 
 	bcnt = pvr2_std_id_to_str(buf,sizeof(buf),hdw->std_mask_eeprom);
 	pvr2_trace(PVR2_TRACE_STD,
-		   "Supported video standard(s) reported available"
-		   " in hardware: %.*s",
+		   "Supported video standard(s) reported available in hardware: %.*s",
 		   bcnt,buf);
 
 	hdw->std_mask_avail = hdw->std_mask_eeprom;
@@ -1897,8 +1887,7 @@ static void pvr2_hdw_setup_std(struct pvr2_hdw *hdw)
 	if (std2) {
 		bcnt = pvr2_std_id_to_str(buf,sizeof(buf),std2);
 		pvr2_trace(PVR2_TRACE_STD,
-			   "Expanding supported video standards"
-			   " to include: %.*s",
+			   "Expanding supported video standards to include: %.*s",
 			   bcnt,buf);
 		hdw->std_mask_avail |= std2;
 	}
@@ -1917,8 +1906,8 @@ static void pvr2_hdw_setup_std(struct pvr2_hdw *hdw)
 	if (std3) {
 		bcnt = pvr2_std_id_to_str(buf,sizeof(buf),std3);
 		pvr2_trace(PVR2_TRACE_STD,
-			   "Initial video standard"
-			   " (determined by device type): %.*s",bcnt,buf);
+			   "Initial video standard (determined by device type): %.*s",
+			   bcnt, buf);
 		hdw->std_mask_cur = std3;
 		hdw->std_dirty = !0;
 		return;
@@ -1980,8 +1969,7 @@ static void pvr2_hdw_cx25840_vbi_hack(struct pvr2_hdw *hdw)
 	}
 
 	pvr2_trace(PVR2_TRACE_INIT,
-		   "Module ID %u:"
-		   " Executing cx25840 VBI hack",
+		   "Module ID %u: Executing cx25840 VBI hack",
 		   hdw->decoder_client_id);
 	memset(&fmt, 0, sizeof(fmt));
 	fmt.type = V4L2_BUF_TYPE_SLICED_VBI_CAPTURE;
@@ -2007,8 +1995,7 @@ static int pvr2_hdw_load_subdev(struct pvr2_hdw *hdw,
 	fname = (mid < ARRAY_SIZE(module_names)) ? module_names[mid] : NULL;
 	if (!fname) {
 		pvr2_trace(PVR2_TRACE_ERROR_LEGS,
-			   "Module ID %u for device %s has no name?"
-			   "  The driver might have a configuration problem.",
+			   "Module ID %u for device %s has no name?  The driver might have a configuration problem.",
 			   mid,
 			   hdw->hdw_desc->description);
 		return -EINVAL;
@@ -2027,32 +2014,27 @@ static int pvr2_hdw_load_subdev(struct pvr2_hdw *hdw,
 						 ARRAY_SIZE(i2caddr));
 		if (i2ccnt) {
 			pvr2_trace(PVR2_TRACE_INIT,
-				   "Module ID %u:"
-				   " Using default i2c address list",
+				   "Module ID %u: Using default i2c address list",
 				   mid);
 		}
 	}
 
 	if (!i2ccnt) {
 		pvr2_trace(PVR2_TRACE_ERROR_LEGS,
-			   "Module ID %u (%s) for device %s:"
-			   " No i2c addresses."
-			   "  The driver might have a configuration problem.",
+			   "Module ID %u (%s) for device %s: No i2c addresses.	The driver might have a configuration problem.",
 			   mid, fname, hdw->hdw_desc->description);
 		return -EINVAL;
 	}
 
 	if (i2ccnt == 1) {
 		pvr2_trace(PVR2_TRACE_INIT,
-			   "Module ID %u:"
-			   " Setting up with specified i2c address 0x%x",
+			   "Module ID %u: Setting up with specified i2c address 0x%x",
 			   mid, i2caddr[0]);
 		sd = v4l2_i2c_new_subdev(&hdw->v4l2_dev, &hdw->i2c_adap,
 					 fname, i2caddr[0], NULL);
 	} else {
 		pvr2_trace(PVR2_TRACE_INIT,
-			   "Module ID %u:"
-			   " Setting up with address probe list",
+			   "Module ID %u: Setting up with address probe list",
 			   mid);
 		sd = v4l2_i2c_new_subdev(&hdw->v4l2_dev, &hdw->i2c_adap,
 					 fname, 0, i2caddr);
@@ -2060,9 +2042,7 @@ static int pvr2_hdw_load_subdev(struct pvr2_hdw *hdw,
 
 	if (!sd) {
 		pvr2_trace(PVR2_TRACE_ERROR_LEGS,
-			   "Module ID %u (%s) for device %s failed to load."
-			   "  Possible missing sub-device kernel module or"
-			   " initialization failure within module.",
+			   "Module ID %u (%s) for device %s failed to load.  Possible missing sub-device kernel module or initialization failure within module.",
 			   mid, fname, hdw->hdw_desc->description);
 		return -EIO;
 	}
@@ -2124,18 +2104,14 @@ static void pvr2_hdw_setup_low(struct pvr2_hdw *hdw)
 				 == 0);
 			if (reloadFl) {
 				pvr2_trace(PVR2_TRACE_INIT,
-					   "USB endpoint config looks strange"
-					   "; possibly firmware needs to be"
-					   " loaded");
+					   "USB endpoint config looks strange; possibly firmware needs to be loaded");
 			}
 		}
 		if (!reloadFl) {
 			reloadFl = !pvr2_hdw_check_firmware(hdw);
 			if (reloadFl) {
 				pvr2_trace(PVR2_TRACE_INIT,
-					   "Check for FX2 firmware failed"
-					   "; possibly firmware needs to be"
-					   " loaded");
+					   "Check for FX2 firmware failed; possibly firmware needs to be loaded");
 			}
 		}
 		if (reloadFl) {
@@ -2200,8 +2176,7 @@ static void pvr2_hdw_setup_low(struct pvr2_hdw *hdw)
 		if (!pvr2_hdw_dev_ok(hdw)) return;
 		if (ret < 0) {
 			pvr2_trace(PVR2_TRACE_ERROR_LEGS,
-				   "Unable to determine location of eeprom,"
-				   " skipping");
+				   "Unable to determine location of eeprom, skipping");
 		} else {
 			hdw->eeprom_addr = ret;
 			pvr2_eeprom_analyze(hdw);
@@ -2254,8 +2229,7 @@ static void pvr2_hdw_setup_low(struct pvr2_hdw *hdw)
 		idx = get_default_error_tolerance(hdw);
 		if (idx) {
 			pvr2_trace(PVR2_TRACE_INIT,
-				   "pvr2_hdw_setup: video stream %p"
-				   " setting tolerance %u",
+				   "pvr2_hdw_setup: video stream %p setting tolerance %u",
 				   hdw->vid_stream,idx);
 		}
 		pvr2_stream_setup(hdw->vid_stream,hdw->usb_dev,
@@ -2285,16 +2259,13 @@ static void pvr2_hdw_setup(struct pvr2_hdw *hdw)
 			if (hdw->flag_init_ok) {
 				pvr2_trace(
 					PVR2_TRACE_INFO,
-					"Device initialization"
-					" completed successfully.");
+					"Device initialization completed successfully.");
 				break;
 			}
 			if (hdw->fw1_state == FW1_STATE_RELOAD) {
 				pvr2_trace(
 					PVR2_TRACE_INFO,
-					"Device microcontroller firmware"
-					" (re)loaded; it should now reset"
-					" and reconnect.");
+					"Device microcontroller firmware (re)loaded; it should now reset and reconnect.");
 				break;
 			}
 			pvr2_trace(
@@ -2303,48 +2274,35 @@ static void pvr2_hdw_setup(struct pvr2_hdw *hdw)
 			if (hdw->fw1_state == FW1_STATE_MISSING) {
 				pvr2_trace(
 					PVR2_TRACE_ERROR_LEGS,
-					"Giving up since device"
-					" microcontroller firmware"
-					" appears to be missing.");
+					"Giving up since device microcontroller firmware appears to be missing.");
 				break;
 			}
 		}
 		if (hdw->flag_modulefail) {
 			pvr2_trace(
 				PVR2_TRACE_ERROR_LEGS,
-				"***WARNING*** pvrusb2 driver initialization"
-				" failed due to the failure of one or more"
-				" sub-device kernel modules.");
+				"***WARNING*** pvrusb2 driver initialization failed due to the failure of one or more sub-device kernel modules.");
 			pvr2_trace(
 				PVR2_TRACE_ERROR_LEGS,
-				"You need to resolve the failing condition"
-				" before this driver can function.  There"
-				" should be some earlier messages giving more"
-				" information about the problem.");
+				"You need to resolve the failing condition before this driver can function.  There should be some earlier messages giving more information about the problem.");
 			break;
 		}
 		if (procreload) {
 			pvr2_trace(
 				PVR2_TRACE_ERROR_LEGS,
-				"Attempting pvrusb2 recovery by reloading"
-				" primary firmware.");
+				"Attempting pvrusb2 recovery by reloading primary firmware.");
 			pvr2_trace(
 				PVR2_TRACE_ERROR_LEGS,
-				"If this works, device should disconnect"
-				" and reconnect in a sane state.");
+				"If this works, device should disconnect and reconnect in a sane state.");
 			hdw->fw1_state = FW1_STATE_UNKNOWN;
 			pvr2_upload_firmware1(hdw);
 		} else {
 			pvr2_trace(
 				PVR2_TRACE_ERROR_LEGS,
-				"***WARNING*** pvrusb2 device hardware"
-				" appears to be jammed"
-				" and I can't clear it.");
+				"***WARNING*** pvrusb2 device hardware appears to be jammed and I can't clear it.");
 			pvr2_trace(
 				PVR2_TRACE_ERROR_LEGS,
-				"You might need to power cycle"
-				" the pvrusb2 device"
-				" in order to recover.");
+				"You might need to power cycle the pvrusb2 device in order to recover.");
 		}
 	} while (0);
 	pvr2_trace(PVR2_TRACE_INIT,"pvr2_hdw_setup(hdw=%p) end",hdw);
@@ -2396,12 +2354,8 @@ struct pvr2_hdw *pvr2_hdw_create(struct usb_interface *intf,
 	hdw_desc = (const struct pvr2_device_desc *)(devid->driver_info);
 
 	if (hdw_desc == NULL) {
-		pvr2_trace(PVR2_TRACE_INIT, "pvr2_hdw_create:"
-			   " No device description pointer,"
-			   " unable to continue.");
-		pvr2_trace(PVR2_TRACE_INIT, "If you have a new device type,"
-			   " please contact Mike Isely <isely@pobox.com>"
-			   " to get it included in the driver\n");
+		pvr2_trace(PVR2_TRACE_INIT, "pvr2_hdw_create: No device description pointer, unable to continue.");
+		pvr2_trace(PVR2_TRACE_INIT, "If you have a new device type, please contact Mike Isely <isely@pobox.com> to get it included in the driver\n");
 		goto fail;
 	}
 
@@ -2413,14 +2367,12 @@ struct pvr2_hdw *pvr2_hdw_create(struct usb_interface *intf,
 	if (hdw_desc->flag_is_experimental) {
 		pvr2_trace(PVR2_TRACE_INFO, "**********");
 		pvr2_trace(PVR2_TRACE_INFO,
-			   "WARNING: Support for this device (%s) is"
-			   " experimental.", hdw_desc->description);
+			   "WARNING: Support for this device (%s) is experimental.",
+							      hdw_desc->description);
 		pvr2_trace(PVR2_TRACE_INFO,
-			   "Important functionality might not be"
-			   " entirely working.");
+			   "Important functionality might not be entirely working.");
 		pvr2_trace(PVR2_TRACE_INFO,
-			   "Please consider contacting the driver author to"
-			   " help with further stabilization of the driver.");
+			   "Please consider contacting the driver author to help with further stabilization of the driver.");
 		pvr2_trace(PVR2_TRACE_INFO, "**********");
 	}
 	if (!hdw) goto fail;
@@ -3375,8 +3327,7 @@ static u8 *pvr2_full_eeprom_fetch(struct pvr2_hdw *hdw)
 	eeprom = kmalloc(EEPROM_SIZE,GFP_KERNEL);
 	if (!eeprom) {
 		pvr2_trace(PVR2_TRACE_ERROR_LEGS,
-			   "Failed to allocate memory"
-			   " required to read eeprom");
+			   "Failed to allocate memory required to read eeprom");
 		return NULL;
 	}
 
@@ -3393,8 +3344,8 @@ static u8 *pvr2_full_eeprom_fetch(struct pvr2_hdw *hdw)
 	   strange but it's what they do) */
 	mode16 = (addr & 1);
 	eepromSize = (mode16 ? EEPROM_SIZE : 256);
-	trace_eeprom("Examining %d byte eeprom at location 0x%x"
-		     " using %d bit addressing",eepromSize,addr,
+	trace_eeprom("Examining %d byte eeprom at location 0x%x using %d bit addressing",
+		     eepromSize, addr,
 		     mode16 ? 16 : 8);
 
 	msg[0].addr = addr;
@@ -3461,8 +3412,8 @@ void pvr2_hdw_cpufw_set_enabled(struct pvr2_hdw *hdw,
 		if (hdw->fw_cpu_flag) {
 			hdw->fw_size = (mode == 1) ? 0x4000 : 0x2000;
 			pvr2_trace(PVR2_TRACE_FIRMWARE,
-				   "Preparing to suck out CPU firmware"
-				   " (size=%u)", hdw->fw_size);
+				   "Preparing to suck out CPU firmware (size=%u)",
+				   hdw->fw_size);
 			hdw->fw_buffer = kzalloc(hdw->fw_size,GFP_KERNEL);
 			if (!hdw->fw_buffer) {
 				hdw->fw_size = 0;
@@ -3620,21 +3571,18 @@ static int pvr2_send_request_ex(struct pvr2_hdw *hdw,
 	struct timer_list timer;
 	if (!hdw->ctl_lock_held) {
 		pvr2_trace(PVR2_TRACE_ERROR_LEGS,
-			   "Attempted to execute control transfer"
-			   " without lock!!");
+			   "Attempted to execute control transfer without lock!!");
 		return -EDEADLK;
 	}
 	if (!hdw->flag_ok && !probe_fl) {
 		pvr2_trace(PVR2_TRACE_ERROR_LEGS,
-			   "Attempted to execute control transfer"
-			   " when device not ok");
+			   "Attempted to execute control transfer when device not ok");
 		return -EIO;
 	}
 	if (!(hdw->ctl_read_urb && hdw->ctl_write_urb)) {
 		if (!probe_fl) {
 			pvr2_trace(PVR2_TRACE_ERROR_LEGS,
-				   "Attempted to execute control transfer"
-				   " when USB is disconnected");
+				   "Attempted to execute control transfer when USB is disconnected");
 		}
 		return -ENOTTY;
 	}
@@ -3645,16 +3593,14 @@ static int pvr2_send_request_ex(struct pvr2_hdw *hdw,
 	if (write_len > PVR2_CTL_BUFFSIZE) {
 		pvr2_trace(
 			PVR2_TRACE_ERROR_LEGS,
-			"Attempted to execute %d byte"
-			" control-write transfer (limit=%d)",
+			"Attempted to execute %d byte control-write transfer (limit=%d)",
 			write_len,PVR2_CTL_BUFFSIZE);
 		return -EINVAL;
 	}
 	if (read_len > PVR2_CTL_BUFFSIZE) {
 		pvr2_trace(
 			PVR2_TRACE_ERROR_LEGS,
-			"Attempted to execute %d byte"
-			" control-read transfer (limit=%d)",
+			"Attempted to execute %d byte control-read transfer (limit=%d)",
 			write_len,PVR2_CTL_BUFFSIZE);
 		return -EINVAL;
 	}
@@ -3703,8 +3649,8 @@ static int pvr2_send_request_ex(struct pvr2_hdw *hdw,
 		status = usb_submit_urb(hdw->ctl_write_urb,GFP_KERNEL);
 		if (status < 0) {
 			pvr2_trace(PVR2_TRACE_ERROR_LEGS,
-				   "Failed to submit write-control"
-				   " URB status=%d",status);
+				   "Failed to submit write-control URB status=%d",
+status);
 			hdw->ctl_write_pend_flag = 0;
 			goto done;
 		}
@@ -3727,8 +3673,8 @@ static int pvr2_send_request_ex(struct pvr2_hdw *hdw,
 		status = usb_submit_urb(hdw->ctl_read_urb,GFP_KERNEL);
 		if (status < 0) {
 			pvr2_trace(PVR2_TRACE_ERROR_LEGS,
-				   "Failed to submit read-control"
-				   " URB status=%d",status);
+				   "Failed to submit read-control URB status=%d",
+status);
 			hdw->ctl_read_pend_flag = 0;
 			goto done;
 		}
@@ -3770,8 +3716,7 @@ static int pvr2_send_request_ex(struct pvr2_hdw *hdw,
 			status = hdw->ctl_write_urb->status;
 			if (!probe_fl) {
 				pvr2_trace(PVR2_TRACE_ERROR_LEGS,
-					   "control-write URB failure,"
-					   " status=%d",
+					   "control-write URB failure, status=%d",
 					   status);
 			}
 			goto done;
@@ -3781,8 +3726,7 @@ static int pvr2_send_request_ex(struct pvr2_hdw *hdw,
 			status = -EIO;
 			if (!probe_fl) {
 				pvr2_trace(PVR2_TRACE_ERROR_LEGS,
-					   "control-write URB short,"
-					   " expected=%d got=%d",
+					   "control-write URB short, expected=%d got=%d",
 					   write_len,
 					   hdw->ctl_write_urb->actual_length);
 			}
@@ -3800,8 +3744,7 @@ static int pvr2_send_request_ex(struct pvr2_hdw *hdw,
 			status = hdw->ctl_read_urb->status;
 			if (!probe_fl) {
 				pvr2_trace(PVR2_TRACE_ERROR_LEGS,
-					   "control-read URB failure,"
-					   " status=%d",
+					   "control-read URB failure, status=%d",
 					   status);
 			}
 			goto done;
@@ -3811,8 +3754,7 @@ static int pvr2_send_request_ex(struct pvr2_hdw *hdw,
 			status = -EIO;
 			if (!probe_fl) {
 				pvr2_trace(PVR2_TRACE_ERROR_LEGS,
-					   "control-read URB short,"
-					   " expected=%d got=%d",
+					   "control-read URB short, expected=%d got=%d",
 					   read_len,
 					   hdw->ctl_read_urb->actual_length);
 			}
@@ -4799,9 +4741,7 @@ static unsigned int pvr2_hdw_report_unlocked(struct pvr2_hdw *hdw,int which,
 				      0);
 		return scnprintf(
 			buf,acnt,
-			"Bytes streamed=%u"
-			" URBs: queued=%u idle=%u ready=%u"
-			" processed=%u failed=%u",
+			"Bytes streamed=%u URBs: queued=%u idle=%u ready=%u processed=%u failed=%u",
 			stats.bytes_processed,
 			stats.buffers_in_queue,
 			stats.buffers_in_idle,
@@ -5013,8 +4953,7 @@ int pvr2_hdw_gpio_chg_dir(struct pvr2_hdw *hdw,u32 msk,u32 val)
 		if (ret) return ret;
 		nval = (cval & ~msk) | (val & msk);
 		pvr2_trace(PVR2_TRACE_GPIO,
-			   "GPIO direction changing 0x%x:0x%x"
-			   " from 0x%x to 0x%x",
+			   "GPIO direction changing 0x%x:0x%x from 0x%x to 0x%x",
 			   msk,val,cval,nval);
 	} else {
 		nval = val;
@@ -5057,9 +4996,7 @@ void pvr2_hdw_status_poll(struct pvr2_hdw *hdw)
 	   now.  (Of course, no sub-drivers seem to implement it either.
 	   But now it's a a chicken and egg problem...) */
 	v4l2_device_call_all(&hdw->v4l2_dev, 0, tuner, g_tuner, vtp);
-	pvr2_trace(PVR2_TRACE_CHIPS, "subdev status poll"
-		   " type=%u strength=%u audio=0x%x cap=0x%x"
-		   " low=%u hi=%u",
+	pvr2_trace(PVR2_TRACE_CHIPS, "subdev status poll type=%u strength=%u audio=0x%x cap=0x%x low=%u hi=%u",
 		   vtp->type,
 		   vtp->signal, vtp->rxsubchans, vtp->capability,
 		   vtp->rangelow, vtp->rangehigh);
diff --git a/drivers/media/usb/pvrusb2/pvrusb2-i2c-core.c b/drivers/media/usb/pvrusb2/pvrusb2-i2c-core.c
index 6da5fb544817..cc63e5f4c26c 100644
--- a/drivers/media/usb/pvrusb2/pvrusb2-i2c-core.c
+++ b/drivers/media/usb/pvrusb2/pvrusb2-i2c-core.c
@@ -62,8 +62,7 @@ static int pvr2_i2c_write(struct pvr2_hdw *hdw, /* Context */
 	if (!data) length = 0;
 	if (length > (sizeof(hdw->cmd_buffer) - 3)) {
 		pvr2_trace(PVR2_TRACE_ERROR_LEGS,
-			   "Killing an I2C write to %u that is too large"
-			   " (desired=%u limit=%u)",
+			   "Killing an I2C write to %u that is too large (desired=%u limit=%u)",
 			   i2c_addr,
 			   length,(unsigned int)(sizeof(hdw->cmd_buffer) - 3));
 		return -ENOTSUPP;
@@ -90,8 +89,7 @@ static int pvr2_i2c_write(struct pvr2_hdw *hdw, /* Context */
 		if (hdw->cmd_buffer[0] != 8) {
 			ret = -EIO;
 			if (hdw->cmd_buffer[0] != 7) {
-				trace_i2c("unexpected status"
-					  " from i2_write[%d]: %d",
+				trace_i2c("unexpected status from i2_write[%d]: %d",
 					  i2c_addr,hdw->cmd_buffer[0]);
 			}
 		}
@@ -116,16 +114,14 @@ static int pvr2_i2c_read(struct pvr2_hdw *hdw, /* Context */
 	if (!data) dlen = 0;
 	if (dlen > (sizeof(hdw->cmd_buffer) - 4)) {
 		pvr2_trace(PVR2_TRACE_ERROR_LEGS,
-			   "Killing an I2C read to %u that has wlen too large"
-			   " (desired=%u limit=%u)",
+			   "Killing an I2C read to %u that has wlen too large (desired=%u limit=%u)",
 			   i2c_addr,
 			   dlen,(unsigned int)(sizeof(hdw->cmd_buffer) - 4));
 		return -ENOTSUPP;
 	}
 	if (res && (rlen > (sizeof(hdw->cmd_buffer) - 1))) {
 		pvr2_trace(PVR2_TRACE_ERROR_LEGS,
-			   "Killing an I2C read to %u that has rlen too large"
-			   " (desired=%u limit=%u)",
+			   "Killing an I2C read to %u that has rlen too large (desired=%u limit=%u)",
 			   i2c_addr,
 			   rlen,(unsigned int)(sizeof(hdw->cmd_buffer) - 1));
 		return -ENOTSUPP;
@@ -154,8 +150,7 @@ static int pvr2_i2c_read(struct pvr2_hdw *hdw, /* Context */
 		if (hdw->cmd_buffer[0] != 8) {
 			ret = -EIO;
 			if (hdw->cmd_buffer[0] != 7) {
-				trace_i2c("unexpected status"
-					  " from i2_read[%d]: %d",
+				trace_i2c("unexpected status from i2_read[%d]: %d",
 					  i2c_addr,hdw->cmd_buffer[0]);
 			}
 		}
@@ -352,13 +347,11 @@ static int i2c_hack_cx25840(struct pvr2_hdw *hdw,
 
 	if ((ret != 0) || (*rdata == 0x04) || (*rdata == 0x0a)) {
 		pvr2_trace(PVR2_TRACE_ERROR_LEGS,
-			   "WARNING: Detected a wedged cx25840 chip;"
-			   " the device will not work.");
+			   "WARNING: Detected a wedged cx25840 chip; the device will not work.");
 		pvr2_trace(PVR2_TRACE_ERROR_LEGS,
 			   "WARNING: Try power cycling the pvrusb2 device.");
 		pvr2_trace(PVR2_TRACE_ERROR_LEGS,
-			   "WARNING: Disabling further access to the device"
-			   " to prevent other foul-ups.");
+			   "WARNING: Disabling further access to the device to prevent other foul-ups.");
 		// This blocks all further communication with the part.
 		hdw->i2c_func[0x44] = NULL;
 		pvr2_hdw_render_useless(hdw);
@@ -444,8 +437,7 @@ static int pvr2_i2c_xfer(struct i2c_adapter *i2c_adap,
 		}
 	} else if (num == 2) {
 		if (msgs[0].addr != msgs[1].addr) {
-			trace_i2c("i2c refusing 2 phase transfer with"
-				  " conflicting target addresses");
+			trace_i2c("i2c refusing 2 phase transfer with conflicting target addresses");
 			ret = -ENOTSUPP;
 			goto done;
 		}
@@ -477,8 +469,7 @@ static int pvr2_i2c_xfer(struct i2c_adapter *i2c_adap,
 			ret = 2;
 			goto done;
 		} else {
-			trace_i2c("i2c refusing complex transfer"
-				  " read0=%d read1=%d",
+			trace_i2c("i2c refusing complex transfer read0=%d read1=%d",
 				  (msgs[0].flags & I2C_M_RD),
 				  (msgs[1].flags & I2C_M_RD));
 		}
@@ -492,8 +483,7 @@ static int pvr2_i2c_xfer(struct i2c_adapter *i2c_adap,
 		for (idx = 0; idx < num; idx++) {
 			cnt = msgs[idx].len;
 			printk(KERN_INFO
-			       "pvrusb2 i2c xfer %u/%u:"
-			       " addr=0x%x len=%d %s",
+			       "pvrusb2 i2c xfer %u/%u: addr=0x%x len=%d %s",
 			       idx+1,num,
 			       msgs[idx].addr,
 			       cnt,
@@ -501,18 +491,18 @@ static int pvr2_i2c_xfer(struct i2c_adapter *i2c_adap,
 				"read" : "write"));
 			if ((ret > 0) || !(msgs[idx].flags & I2C_M_RD)) {
 				if (cnt > 8) cnt = 8;
-				printk(" [");
+				printk(KERN_CONT " [");
 				for (offs = 0; offs < (cnt>8?8:cnt); offs++) {
-					if (offs) printk(" ");
-					printk("%02x",msgs[idx].buf[offs]);
+					if (offs) printk(KERN_CONT " ");
+					printk(KERN_CONT "%02x",msgs[idx].buf[offs]);
 				}
-				if (offs < cnt) printk(" ...");
-				printk("]");
+				if (offs < cnt) printk(KERN_CONT " ...");
+				printk(KERN_CONT "]");
 			}
 			if (idx+1 == num) {
-				printk(" result=%d",ret);
+				printk(KERN_CONT " result=%d",ret);
 			}
-			printk("\n");
+			printk(KERN_CONT "\n");
 		}
 		if (!num) {
 			printk(KERN_INFO
@@ -668,8 +658,7 @@ void pvr2_i2c_core_init(struct pvr2_hdw *hdw)
 		   the emulated IR receiver. */
 		if (do_i2c_probe(hdw, 0x71)) {
 			pvr2_trace(PVR2_TRACE_INFO,
-				   "Device has newer IR hardware;"
-				   " disabling unneeded virtual IR device");
+				   "Device has newer IR hardware; disabling unneeded virtual IR device");
 			hdw->i2c_func[0x18] = NULL;
 			/* Remember that this is a different device... */
 			hdw->ir_scheme_active = PVR2_IR_SCHEME_24XXX_MCE;
diff --git a/drivers/media/usb/pvrusb2/pvrusb2-io.c b/drivers/media/usb/pvrusb2/pvrusb2-io.c
index e68ce24f27e3..e3103ecd4828 100644
--- a/drivers/media/usb/pvrusb2/pvrusb2-io.c
+++ b/drivers/media/usb/pvrusb2/pvrusb2-io.c
@@ -113,8 +113,7 @@ static const char *pvr2_buffer_state_decode(enum pvr2_buffer_state st)
 static void pvr2_buffer_describe(struct pvr2_buffer *bp,const char *msg)
 {
 	pvr2_trace(PVR2_TRACE_INFO,
-		   "buffer%s%s %p state=%s id=%d status=%d"
-		   " stream=%p purb=%p sig=0x%x",
+		   "buffer%s%s %p state=%s id=%d status=%d stream=%p purb=%p sig=0x%x",
 		   (msg ? " " : ""),
 		   (msg ? msg : ""),
 		   bp,
@@ -156,8 +155,7 @@ static void pvr2_buffer_remove(struct pvr2_buffer *bp)
 	(*cnt)--;
 	(*bcnt) -= ccnt;
 	pvr2_trace(PVR2_TRACE_BUF_FLOW,
-		   "/*---TRACE_FLOW---*/"
-		   " bufferPool     %8s dec cap=%07d cnt=%02d",
+		   "/*---TRACE_FLOW---*/ bufferPool	%8s dec cap=%07d cnt=%02d",
 		   pvr2_buffer_state_decode(bp->state),*bcnt,*cnt);
 	bp->state = pvr2_buffer_state_none;
 }
@@ -198,8 +196,7 @@ static int pvr2_buffer_set_ready(struct pvr2_buffer *bp)
 	(sp->r_count)++;
 	sp->r_bcount += bp->used_count;
 	pvr2_trace(PVR2_TRACE_BUF_FLOW,
-		   "/*---TRACE_FLOW---*/"
-		   " bufferPool     %8s inc cap=%07d cnt=%02d",
+		   "/*---TRACE_FLOW---*/ bufferPool	%8s inc cap=%07d cnt=%02d",
 		   pvr2_buffer_state_decode(bp->state),
 		   sp->r_bcount,sp->r_count);
 	spin_unlock_irqrestore(&sp->list_lock,irq_flags);
@@ -224,8 +221,7 @@ static void pvr2_buffer_set_idle(struct pvr2_buffer *bp)
 	(sp->i_count)++;
 	sp->i_bcount += bp->max_count;
 	pvr2_trace(PVR2_TRACE_BUF_FLOW,
-		   "/*---TRACE_FLOW---*/"
-		   " bufferPool     %8s inc cap=%07d cnt=%02d",
+		   "/*---TRACE_FLOW---*/ bufferPool	%8s inc cap=%07d cnt=%02d",
 		   pvr2_buffer_state_decode(bp->state),
 		   sp->i_bcount,sp->i_count);
 	spin_unlock_irqrestore(&sp->list_lock,irq_flags);
@@ -249,8 +245,7 @@ static void pvr2_buffer_set_queued(struct pvr2_buffer *bp)
 	(sp->q_count)++;
 	sp->q_bcount += bp->max_count;
 	pvr2_trace(PVR2_TRACE_BUF_FLOW,
-		   "/*---TRACE_FLOW---*/"
-		   " bufferPool     %8s inc cap=%07d cnt=%02d",
+		   "/*---TRACE_FLOW---*/ bufferPool	%8s inc cap=%07d cnt=%02d",
 		   pvr2_buffer_state_decode(bp->state),
 		   sp->q_bcount,sp->q_count);
 	spin_unlock_irqrestore(&sp->list_lock,irq_flags);
@@ -293,8 +288,8 @@ static void pvr2_buffer_done(struct pvr2_buffer *bp)
 	bp->signature = 0;
 	bp->stream = NULL;
 	usb_free_urb(bp->purb);
-	pvr2_trace(PVR2_TRACE_BUF_POOL,"/*---TRACE_FLOW---*/"
-		   " bufferDone     %p",bp);
+	pvr2_trace(PVR2_TRACE_BUF_POOL, "/*---TRACE_FLOW---*/ bufferDone     %p",
+		   bp);
 }
 
 static int pvr2_stream_buffer_count(struct pvr2_stream *sp,unsigned int cnt)
@@ -306,8 +301,7 @@ static int pvr2_stream_buffer_count(struct pvr2_stream *sp,unsigned int cnt)
 	if (cnt == sp->buffer_total_count) return 0;
 
 	pvr2_trace(PVR2_TRACE_BUF_POOL,
-		   "/*---TRACE_FLOW---*/ poolResize    "
-		   " stream=%p cur=%d adj=%+d",
+		   "/*---TRACE_FLOW---*/ poolResize	stream=%p cur=%d adj=%+d",
 		   sp,
 		   sp->buffer_total_count,
 		   cnt-sp->buffer_total_count);
@@ -374,8 +368,7 @@ static int pvr2_stream_achieve_buffer_count(struct pvr2_stream *sp)
 	if (sp->buffer_total_count == sp->buffer_target_count) return 0;
 
 	pvr2_trace(PVR2_TRACE_BUF_POOL,
-		   "/*---TRACE_FLOW---*/"
-		   " poolCheck      stream=%p cur=%d tgt=%d",
+		   "/*---TRACE_FLOW---*/ poolCheck	stream=%p cur=%d tgt=%d",
 		   sp,sp->buffer_total_count,sp->buffer_target_count);
 
 	if (sp->buffer_total_count < sp->buffer_target_count) {
@@ -454,8 +447,8 @@ static void buffer_complete(struct urb *urb)
 		bp->used_count = urb->actual_length;
 		if (sp->fail_count) {
 			pvr2_trace(PVR2_TRACE_TOLERANCE,
-				   "stream %p transfer ok"
-				   " - fail count reset",sp);
+				   "stream %p transfer ok - fail count reset",
+				   sp);
 			sp->fail_count = 0;
 		}
 	} else if (sp->fail_count < sp->fail_tolerance) {
@@ -464,8 +457,7 @@ static void buffer_complete(struct urb *urb)
 		(sp->fail_count)++;
 		(sp->buffers_failed)++;
 		pvr2_trace(PVR2_TRACE_TOLERANCE,
-			   "stream %p ignoring error %d"
-			   " - fail count increased to %u",
+			   "stream %p ignoring error %d - fail count increased to %u",
 			   sp,urb->status,sp->fail_count);
 	} else {
 		(sp->buffers_failed)++;
@@ -666,8 +658,7 @@ int pvr2_buffer_set_buffer(struct pvr2_buffer *bp,void *ptr,unsigned int cnt)
 			bp->max_count = cnt;
 			bp->stream->i_bcount += bp->max_count;
 			pvr2_trace(PVR2_TRACE_BUF_FLOW,
-				   "/*---TRACE_FLOW---*/ bufferPool    "
-				   " %8s cap cap=%07d cnt=%02d",
+				   "/*---TRACE_FLOW---*/ bufferPool	%8s cap cap=%07d cnt=%02d",
 				   pvr2_buffer_state_decode(
 					   pvr2_buffer_state_idle),
 				   bp->stream->i_bcount,bp->stream->i_count);
diff --git a/drivers/media/usb/pvrusb2/pvrusb2-ioread.c b/drivers/media/usb/pvrusb2/pvrusb2-ioread.c
index 614d55767a4e..70b8a052eb5b 100644
--- a/drivers/media/usb/pvrusb2/pvrusb2-ioread.c
+++ b/drivers/media/usb/pvrusb2/pvrusb2-ioread.c
@@ -169,9 +169,7 @@ static int pvr2_ioread_start(struct pvr2_ioread *cp)
 		stat = pvr2_buffer_queue(bp);
 		if (stat < 0) {
 			pvr2_trace(PVR2_TRACE_DATA_FLOW,
-				   "/*---TRACE_READ---*/"
-				   " pvr2_ioread_start id=%p"
-				   " error=%d",
+				   "/*---TRACE_READ---*/ pvr2_ioread_start id=%p error=%d",
 				   cp,stat);
 			pvr2_ioread_stop(cp);
 			return stat;
@@ -209,8 +207,8 @@ int pvr2_ioread_setup(struct pvr2_ioread *cp,struct pvr2_stream *sp)
 	do {
 		if (cp->stream) {
 			pvr2_trace(PVR2_TRACE_START_STOP,
-				   "/*---TRACE_READ---*/"
-				   " pvr2_ioread_setup (tear-down) id=%p",cp);
+				   "/*---TRACE_READ---*/ pvr2_ioread_setup (tear-down) id=%p",
+				   cp);
 			pvr2_ioread_stop(cp);
 			pvr2_stream_kill(cp->stream);
 			if (pvr2_stream_get_buffer_count(cp->stream)) {
@@ -220,8 +218,8 @@ int pvr2_ioread_setup(struct pvr2_ioread *cp,struct pvr2_stream *sp)
 		}
 		if (sp) {
 			pvr2_trace(PVR2_TRACE_START_STOP,
-				   "/*---TRACE_READ---*/"
-				   " pvr2_ioread_setup (setup) id=%p",cp);
+				   "/*---TRACE_READ---*/ pvr2_ioread_setup (setup) id=%p",
+				   cp);
 			pvr2_stream_kill(sp);
 			ret = pvr2_stream_set_buffer_count(sp,BUFFER_COUNT);
 			if (ret < 0) {
@@ -270,9 +268,7 @@ static int pvr2_ioread_get_buffer(struct pvr2_ioread *cp)
 			if (stat < 0) {
 				// Streaming error...
 				pvr2_trace(PVR2_TRACE_DATA_FLOW,
-					   "/*---TRACE_READ---*/"
-					   " pvr2_ioread_read id=%p"
-					   " queue_error=%d",
+					   "/*---TRACE_READ---*/ pvr2_ioread_read id=%p queue_error=%d",
 					   cp,stat);
 				pvr2_ioread_stop(cp);
 				return 0;
@@ -292,9 +288,7 @@ static int pvr2_ioread_get_buffer(struct pvr2_ioread *cp)
 			if (stat < 0) {
 				// Streaming error...
 				pvr2_trace(PVR2_TRACE_DATA_FLOW,
-					   "/*---TRACE_READ---*/"
-					   " pvr2_ioread_read id=%p"
-					   " buffer_error=%d",
+					   "/*---TRACE_READ---*/ pvr2_ioread_read id=%p buffer_error=%d",
 					   cp,stat);
 				pvr2_ioread_stop(cp);
 				// Give up.
@@ -347,8 +341,7 @@ static void pvr2_ioread_filter(struct pvr2_ioread *cp)
 		if (cp->sync_buf_offs >= cp->sync_key_len) {
 			cp->sync_trashed_count -= cp->sync_key_len;
 			pvr2_trace(PVR2_TRACE_DATA_FLOW,
-				   "/*---TRACE_READ---*/"
-				   " sync_state <== 2 (skipped %u bytes)",
+				   "/*---TRACE_READ---*/ sync_state <== 2 (skipped %u bytes)",
 				   cp->sync_trashed_count);
 			cp->sync_state = 2;
 			cp->sync_buf_offs = 0;
@@ -358,8 +351,7 @@ static void pvr2_ioread_filter(struct pvr2_ioread *cp)
 		if (cp->c_data_offs < cp->c_data_len) {
 			// Sanity check - should NEVER get here
 			pvr2_trace(PVR2_TRACE_ERROR_LEGS,
-				   "ERROR: pvr2_ioread filter sync problem"
-				   " len=%u offs=%u",
+				   "ERROR: pvr2_ioread filter sync problem len=%u offs=%u",
 				   cp->c_data_len,cp->c_data_offs);
 			// Get out so we don't get stuck in an infinite
 			// loop.
@@ -418,8 +410,8 @@ int pvr2_ioread_read(struct pvr2_ioread *cp,void __user *buf,unsigned int cnt)
 
 	if (!cnt) {
 		pvr2_trace(PVR2_TRACE_TRAP,
-			   "/*---TRACE_READ---*/ pvr2_ioread_read id=%p"
-			   " ZERO Request? Returning zero.",cp);
+			   "/*---TRACE_READ---*/ pvr2_ioread_read id=%p ZERO Request? Returning zero.",
+cp);
 		return 0;
 	}
 
@@ -477,8 +469,7 @@ int pvr2_ioread_read(struct pvr2_ioread *cp,void __user *buf,unsigned int cnt)
 					// Consumed entire key; switch mode
 					// to normal.
 					pvr2_trace(PVR2_TRACE_DATA_FLOW,
-						   "/*---TRACE_READ---*/"
-						   " sync_state <== 0");
+						   "/*---TRACE_READ---*/ sync_state <== 0");
 					cp->sync_state = 0;
 				}
 			} else {
@@ -502,8 +493,7 @@ int pvr2_ioread_read(struct pvr2_ioread *cp,void __user *buf,unsigned int cnt)
 	}
 
 	pvr2_trace(PVR2_TRACE_DATA_FLOW,
-		   "/*---TRACE_READ---*/ pvr2_ioread_read"
-		   " id=%p request=%d result=%d",
+		   "/*---TRACE_READ---*/ pvr2_ioread_read id=%p request=%d result=%d",
 		   cp,req_cnt,ret);
 	return ret;
 }
diff --git a/drivers/media/usb/pvrusb2/pvrusb2-std.c b/drivers/media/usb/pvrusb2/pvrusb2-std.c
index 9a596a3a4c27..cd7bc18a1ba2 100644
--- a/drivers/media/usb/pvrusb2/pvrusb2-std.c
+++ b/drivers/media/usb/pvrusb2/pvrusb2-std.c
@@ -357,8 +357,7 @@ struct v4l2_standard *pvr2_std_create_enum(unsigned int *countptr,
 		bcnt = pvr2_std_id_to_str(buf,sizeof(buf),fmsk);
 		pvr2_trace(
 			PVR2_TRACE_ERROR_LEGS,
-			"WARNING:"
-			" Failed to classify the following standard(s): %.*s",
+			"WARNING: Failed to classify the following standard(s): %.*s",
 			bcnt,buf);
 	}
 
diff --git a/drivers/media/usb/pvrusb2/pvrusb2-sysfs.c b/drivers/media/usb/pvrusb2/pvrusb2-sysfs.c
index 06fe63ced58c..d977976b8d91 100644
--- a/drivers/media/usb/pvrusb2/pvrusb2-sysfs.c
+++ b/drivers/media/usb/pvrusb2/pvrusb2-sysfs.c
@@ -116,7 +116,6 @@ static ssize_t show_type(struct device *class_dev,
 	}
 	pvr2_sysfs_trace("pvr2_sysfs(%p) show_type(cid=%d) is %s",
 			 cip->chptr, cip->ctl_id, name);
-	if (!name) return -EINVAL;
 	return scnprintf(buf, PAGE_SIZE, "%s\n", name);
 }
 
diff --git a/drivers/media/usb/pvrusb2/pvrusb2-v4l2.c b/drivers/media/usb/pvrusb2/pvrusb2-v4l2.c
index 2cc4d2b6f810..bbbe18d5275a 100644
--- a/drivers/media/usb/pvrusb2/pvrusb2-v4l2.c
+++ b/drivers/media/usb/pvrusb2/pvrusb2-v4l2.c
@@ -949,8 +949,8 @@ static long pvr2_v4l2_ioctl(struct file *file,
 	if (ret < 0) {
 		if (pvrusb2_debug & PVR2_TRACE_V4LIOCTL) {
 			pvr2_trace(PVR2_TRACE_V4LIOCTL,
-				   "pvr2_v4l2_do_ioctl failure, ret=%ld"
-				   " command was:", ret);
+				   "pvr2_v4l2_do_ioctl failure, ret=%ld command was:",
+ret);
 			v4l_printk_ioctl(pvr2_hdw_get_driver_name(hdw), cmd);
 		}
 	} else {
@@ -1254,8 +1254,7 @@ static void pvr2_v4l2_dev_init(struct pvr2_v4l2_dev *dip,
 		nr_ptr = video_nr;
 		if (!dip->stream) {
 			pr_err(KBUILD_MODNAME
-				": Failed to set up pvrusb2 v4l video dev"
-				" due to missing stream instance\n");
+				": Failed to set up pvrusb2 v4l video dev due to missing stream instance\n");
 			return;
 		}
 		break;
@@ -1272,8 +1271,7 @@ static void pvr2_v4l2_dev_init(struct pvr2_v4l2_dev *dip,
 		break;
 	default:
 		/* Bail out (this should be impossible) */
-		pr_err(KBUILD_MODNAME ": Failed to set up pvrusb2 v4l dev"
-		    " due to unrecognized config\n");
+		pr_err(KBUILD_MODNAME ": Failed to set up pvrusb2 v4l dev due to unrecognized config\n");
 		return;
 	}
 
diff --git a/drivers/media/usb/pvrusb2/pvrusb2-video-v4l.c b/drivers/media/usb/pvrusb2/pvrusb2-video-v4l.c
index 105123ab36aa..6fee367139aa 100644
--- a/drivers/media/usb/pvrusb2/pvrusb2-video-v4l.c
+++ b/drivers/media/usb/pvrusb2/pvrusb2-video-v4l.c
@@ -91,9 +91,7 @@ void pvr2_saa7115_subdev_update(struct pvr2_hdw *hdw, struct v4l2_subdev *sd)
 		    (hdw->input_val < 0) ||
 		    (hdw->input_val >= sp->cnt)) {
 			pvr2_trace(PVR2_TRACE_ERROR_LEGS,
-				   "*** WARNING *** subdev v4l2 set_input:"
-				   " Invalid routing scheme (%u)"
-				   " and/or input (%d)",
+				   "*** WARNING *** subdev v4l2 set_input: Invalid routing scheme (%u) and/or input (%d)",
 				   sid, hdw->input_val);
 			return;
 		}
diff --git a/drivers/media/usb/pvrusb2/pvrusb2-wm8775.c b/drivers/media/usb/pvrusb2/pvrusb2-wm8775.c
index f1df94a2436f..7993983de5a6 100644
--- a/drivers/media/usb/pvrusb2/pvrusb2-wm8775.c
+++ b/drivers/media/usb/pvrusb2/pvrusb2-wm8775.c
@@ -49,8 +49,7 @@ void pvr2_wm8775_subdev_update(struct pvr2_hdw *hdw, struct v4l2_subdev *sd)
 			input = 2;
 			break;
 		}
-		pvr2_trace(PVR2_TRACE_CHIPS, "subdev wm8775"
-			   " set_input(val=%d route=0x%x)",
+		pvr2_trace(PVR2_TRACE_CHIPS, "subdev wm8775 set_input(val=%d route=0x%x)",
 			   hdw->input_val, input);
 
 		sd->ops->audio->s_routing(sd, input, 0, 0);
diff --git a/drivers/media/usb/pwc/pwc-if.c b/drivers/media/usb/pwc/pwc-if.c
index ff657644b6b3..22420c14ac98 100644
--- a/drivers/media/usb/pwc/pwc-if.c
+++ b/drivers/media/usb/pwc/pwc-if.c
@@ -238,8 +238,8 @@ static void pwc_frame_complete(struct pwc_device *pdev)
 	} else {
 		/* Check for underflow first */
 		if (fbuf->filled < pdev->frame_total_size) {
-			PWC_DEBUG_FLOW("Frame buffer underflow (%d bytes);"
-				       " discarded.\n", fbuf->filled);
+			PWC_DEBUG_FLOW("Frame buffer underflow (%d bytes); discarded.\n",
+				       fbuf->filled);
 		} else {
 			fbuf->vb.field = V4L2_FIELD_NONE;
 			fbuf->vb.sequence = pdev->vframe_count;
diff --git a/drivers/media/usb/pwc/pwc-v4l.c b/drivers/media/usb/pwc/pwc-v4l.c
index 3d987984602f..92f04db6bbae 100644
--- a/drivers/media/usb/pwc/pwc-v4l.c
+++ b/drivers/media/usb/pwc/pwc-v4l.c
@@ -406,8 +406,7 @@ static void pwc_vidioc_fill_fmt(struct v4l2_format *f,
 	f->fmt.pix.bytesperline = f->fmt.pix.width;
 	f->fmt.pix.sizeimage	= f->fmt.pix.height * f->fmt.pix.width * 3 / 2;
 	f->fmt.pix.colorspace	= V4L2_COLORSPACE_SRGB;
-	PWC_DEBUG_IOCTL("pwc_vidioc_fill_fmt() "
-			"width=%d, height=%d, bytesperline=%d, sizeimage=%d, pixelformat=%c%c%c%c\n",
+	PWC_DEBUG_IOCTL("pwc_vidioc_fill_fmt() width=%d, height=%d, bytesperline=%d, sizeimage=%d, pixelformat=%c%c%c%c\n",
 			f->fmt.pix.width,
 			f->fmt.pix.height,
 			f->fmt.pix.bytesperline,
@@ -473,8 +472,7 @@ static int pwc_s_fmt_vid_cap(struct file *file, void *fh, struct v4l2_format *f)
 
 	pixelformat = f->fmt.pix.pixelformat;
 
-	PWC_DEBUG_IOCTL("Trying to set format to: width=%d height=%d fps=%d "
-			"format=%c%c%c%c\n",
+	PWC_DEBUG_IOCTL("Trying to set format to: width=%d height=%d fps=%d format=%c%c%c%c\n",
 			f->fmt.pix.width, f->fmt.pix.height, pdev->vframes,
 			(pixelformat)&255,
 			(pixelformat>>8)&255,
diff --git a/drivers/media/usb/siano/smsusb.c b/drivers/media/usb/siano/smsusb.c
index c2e25876e93b..a4dcaec31d02 100644
--- a/drivers/media/usb/siano/smsusb.c
+++ b/drivers/media/usb/siano/smsusb.c
@@ -604,8 +604,8 @@ static int smsusb_resume(struct usb_interface *intf)
 				       intf->cur_altsetting->desc.
 				       bInterfaceNumber, 0);
 		if (rc < 0) {
-			printk(KERN_INFO "%s usb_set_interface failed, "
-			       "rc %d\n", __func__, rc);
+			printk(KERN_INFO "%s usb_set_interface failed, rc %d\n",
+			       __func__, rc);
 			return rc;
 		}
 	}
diff --git a/drivers/media/usb/stkwebcam/stk-sensor.c b/drivers/media/usb/stkwebcam/stk-sensor.c
index e546b014d7ad..fbccbb2eed9f 100644
--- a/drivers/media/usb/stkwebcam/stk-sensor.c
+++ b/drivers/media/usb/stkwebcam/stk-sensor.c
@@ -228,7 +228,7 @@
 static int stk_sensor_outb(struct stk_camera *dev, u8 reg, u8 val)
 {
 	int i = 0;
-	int tmpval = 0;
+	u8 tmpval = 0;
 
 	if (stk_camera_write_reg(dev, STK_IIC_TX_INDEX, reg))
 		return 1;
@@ -253,7 +253,7 @@ static int stk_sensor_outb(struct stk_camera *dev, u8 reg, u8 val)
 static int stk_sensor_inb(struct stk_camera *dev, u8 reg, u8 *val)
 {
 	int i = 0;
-	int tmpval = 0;
+	u8 tmpval = 0;
 
 	if (stk_camera_write_reg(dev, STK_IIC_RX_INDEX, reg))
 		return 1;
@@ -274,7 +274,7 @@ static int stk_sensor_inb(struct stk_camera *dev, u8 reg, u8 *val)
 	if (stk_camera_read_reg(dev, STK_IIC_RX_VALUE, &tmpval))
 		return 1;
 
-	*val = (u8) tmpval;
+	*val = tmpval;
 	return 0;
 }
 
@@ -391,8 +391,8 @@ int stk_sensor_init(struct stk_camera *dev)
 	}
 	stk_sensor_write_regvals(dev, ov_initvals);
 	msleep(10);
-	STK_INFO("OmniVision sensor detected, id %02X%02X"
-		" at address %x\n", idh, idl, SENSOR_ADDRESS);
+	STK_INFO("OmniVision sensor detected, id %02X%02X at address %x\n",
+		 idh, idl, SENSOR_ADDRESS);
 	return 0;
 }
 
diff --git a/drivers/media/usb/stkwebcam/stk-webcam.c b/drivers/media/usb/stkwebcam/stk-webcam.c
index 22a9aae16291..a212248bc2a3 100644
--- a/drivers/media/usb/stkwebcam/stk-webcam.c
+++ b/drivers/media/usb/stkwebcam/stk-webcam.c
@@ -144,7 +144,7 @@ int stk_camera_write_reg(struct stk_camera *dev, u16 index, u8 value)
 		return 0;
 }
 
-int stk_camera_read_reg(struct stk_camera *dev, u16 index, int *value)
+int stk_camera_read_reg(struct stk_camera *dev, u16 index, u8 *value)
 {
 	struct usb_device *udev = dev->udev;
 	unsigned char *buf;
@@ -163,7 +163,7 @@ int stk_camera_read_reg(struct stk_camera *dev, u16 index, int *value)
 			sizeof(u8),
 			500);
 	if (ret >= 0)
-		memcpy(value, buf, sizeof(u8));
+		*value = *buf;
 
 	kfree(buf);
 	return ret;
@@ -171,9 +171,10 @@ int stk_camera_read_reg(struct stk_camera *dev, u16 index, int *value)
 
 static int stk_start_stream(struct stk_camera *dev)
 {
-	int value;
+	u8 value;
 	int i, ret;
-	int value_116, value_117;
+	u8 value_116, value_117;
+
 
 	if (!is_present(dev))
 		return -ENODEV;
@@ -213,7 +214,7 @@ static int stk_start_stream(struct stk_camera *dev)
 
 static int stk_stop_stream(struct stk_camera *dev)
 {
-	int value;
+	u8 value;
 	int i;
 	if (is_present(dev)) {
 		stk_camera_read_reg(dev, 0x0100, &value);
@@ -372,8 +373,7 @@ static void stk_isoc_handler(struct urb *urb)
 			if (fb->v4lbuf.bytesused != 0
 				&& fb->v4lbuf.bytesused != dev->frame_size) {
 				(void) (printk_ratelimit() &&
-				STK_ERROR("frame %d, "
-					"bytesused=%d, skipping\n",
+				STK_ERROR("frame %d, bytesused=%d, skipping\n",
 					i, fb->v4lbuf.bytesused));
 				fb->v4lbuf.bytesused = 0;
 				fill = fb->buffer;
diff --git a/drivers/media/usb/stkwebcam/stk-webcam.h b/drivers/media/usb/stkwebcam/stk-webcam.h
index 9bbfa3d9bfdd..92bb48e3c74e 100644
--- a/drivers/media/usb/stkwebcam/stk-webcam.h
+++ b/drivers/media/usb/stkwebcam/stk-webcam.h
@@ -129,7 +129,7 @@ struct stk_camera {
 #define vdev_to_camera(d) container_of(d, struct stk_camera, vdev)
 
 int stk_camera_write_reg(struct stk_camera *, u16, u8);
-int stk_camera_read_reg(struct stk_camera *, u16, int *);
+int stk_camera_read_reg(struct stk_camera *, u16, u8 *);
 
 int stk_sensor_init(struct stk_camera *);
 int stk_sensor_configure(struct stk_camera *);
diff --git a/drivers/media/usb/tm6000/tm6000-alsa.c b/drivers/media/usb/tm6000/tm6000-alsa.c
index f16fbd1f9f51..422322541af6 100644
--- a/drivers/media/usb/tm6000/tm6000-alsa.c
+++ b/drivers/media/usb/tm6000/tm6000-alsa.c
@@ -58,9 +58,7 @@ MODULE_PARM_DESC(index, "Index value for tm6000x capture interface(s).");
 MODULE_DESCRIPTION("ALSA driver module for tm5600/tm6000/tm6010 based TV cards");
 MODULE_AUTHOR("Mauro Carvalho Chehab");
 MODULE_LICENSE("GPL");
-MODULE_SUPPORTED_DEVICE("{{Trident,tm5600},"
-			"{{Trident,tm6000},"
-			"{{Trident,tm6010}");
+MODULE_SUPPORTED_DEVICE("{{Trident,tm5600},{{Trident,tm6000},{{Trident,tm6010}");
 static unsigned int debug;
 module_param(debug, int, 0644);
 MODULE_PARM_DESC(debug, "enable debug messages");
diff --git a/drivers/media/usb/tm6000/tm6000-core.c b/drivers/media/usb/tm6000/tm6000-core.c
index 7c32353c59db..8d104e5c4be3 100644
--- a/drivers/media/usb/tm6000/tm6000-core.c
+++ b/drivers/media/usb/tm6000/tm6000-core.c
@@ -602,8 +602,8 @@ int tm6000_init(struct tm6000_core *dev)
 	for (i = 0; i < size; i++) {
 		rc = tm6000_set_reg(dev, tab[i].req, tab[i].reg, tab[i].val);
 		if (rc < 0) {
-			printk(KERN_ERR "Error %i while setting req %d, "
-					"reg %d to value %d\n", rc,
+			printk(KERN_ERR "Error %i while setting req %d, reg %d to value %d\n",
+			       rc,
 					tab[i].req, tab[i].reg, tab[i].val);
 			return rc;
 		}
@@ -761,9 +761,8 @@ int tm6000_tvaudio_set_mute(struct tm6000_core *dev, u8 mute)
 		if (dev->dev_type == TM6010)
 			tm6010_set_mute_sif(dev, mute);
 		else {
-			printk(KERN_INFO "ERROR: TM5600 and TM6000 don't has"
-					" SIF audio inputs. Please check the %s"
-					" configuration.\n", dev->name);
+			printk(KERN_INFO "ERROR: TM5600 and TM6000 don't has SIF audio inputs. Please check the %s configuration.\n",
+			       dev->name);
 			return -EINVAL;
 		}
 		break;
@@ -822,9 +821,8 @@ void tm6000_set_volume(struct tm6000_core *dev, int vol)
 		if (dev->dev_type == TM6010)
 			tm6010_set_volume_sif(dev, vol);
 		else
-			printk(KERN_INFO "ERROR: TM5600 and TM6000 don't has"
-					" SIF audio inputs. Please check the %s"
-					" configuration.\n", dev->name);
+			printk(KERN_INFO "ERROR: TM5600 and TM6000 don't has SIF audio inputs. Please check the %s configuration.\n",
+			       dev->name);
 		break;
 	case TM6000_AMUX_ADC1:
 	case TM6000_AMUX_ADC2:
diff --git a/drivers/media/usb/tm6000/tm6000-dvb.c b/drivers/media/usb/tm6000/tm6000-dvb.c
index 0426b210383b..70dbaec1219e 100644
--- a/drivers/media/usb/tm6000/tm6000-dvb.c
+++ b/drivers/media/usb/tm6000/tm6000-dvb.c
@@ -35,9 +35,7 @@ MODULE_DESCRIPTION("DVB driver extension module for tm5600/6000/6010 based TV ca
 MODULE_AUTHOR("Mauro Carvalho Chehab");
 MODULE_LICENSE("GPL");
 
-MODULE_SUPPORTED_DEVICE("{{Trident, tm5600},"
-			"{{Trident, tm6000},"
-			"{{Trident, tm6010}");
+MODULE_SUPPORTED_DEVICE("{{Trident, tm5600},{{Trident, tm6000},{{Trident, tm6010}");
 
 static int debug;
 
@@ -292,13 +290,11 @@ static int register_dvb(struct tm6000_core *dev)
 			}
 
 			if (!dvb_attach(xc2028_attach, dvb->frontend, &cfg)) {
-				printk(KERN_ERR "tm6000: couldn't register "
-						"frontend (xc3028)\n");
+				printk(KERN_ERR "tm6000: couldn't register frontend (xc3028)\n");
 				ret = -EINVAL;
 				goto frontend_err;
 			}
-			printk(KERN_INFO "tm6000: XC2028/3028 asked to be "
-					 "attached to frontend!\n");
+			printk(KERN_INFO "tm6000: XC2028/3028 asked to be attached to frontend!\n");
 			break;
 			}
 		case TUNER_XC5000: {
@@ -315,13 +311,11 @@ static int register_dvb(struct tm6000_core *dev)
 			}
 
 			if (!dvb_attach(xc5000_attach, dvb->frontend, &dev->i2c_adap, &cfg)) {
-				printk(KERN_ERR "tm6000: couldn't register "
-						"frontend (xc5000)\n");
+				printk(KERN_ERR "tm6000: couldn't register frontend (xc5000)\n");
 				ret = -EINVAL;
 				goto frontend_err;
 			}
-			printk(KERN_INFO "tm6000: XC5000 asked to be "
-					 "attached to frontend!\n");
+			printk(KERN_INFO "tm6000: XC5000 asked to be attached to frontend!\n");
 			break;
 			}
 		}
diff --git a/drivers/media/usb/tm6000/tm6000-i2c.c b/drivers/media/usb/tm6000/tm6000-i2c.c
index c7e23e3dd75e..b01d3ee56e77 100644
--- a/drivers/media/usb/tm6000/tm6000-i2c.c
+++ b/drivers/media/usb/tm6000/tm6000-i2c.c
@@ -173,8 +173,7 @@ static int tm6000_i2c_xfer(struct i2c_adapter *i2c_adap,
 			 * immediately after a 1 or 2 byte write to select
 			 * a register.  We cannot fulfil this request.
 			 */
-			i2c_dprintk(2, " read without preceding write not"
-				       " supported");
+			i2c_dprintk(2, " read without preceding write not supported");
 			rc = -EOPNOTSUPP;
 			goto err;
 		} else if (i + 1 < num && msgs[i].len <= 2 &&
diff --git a/drivers/media/usb/tm6000/tm6000-stds.c b/drivers/media/usb/tm6000/tm6000-stds.c
index 93a4b2434b6e..4064a5e8fae1 100644
--- a/drivers/media/usb/tm6000/tm6000-stds.c
+++ b/drivers/media/usb/tm6000/tm6000-stds.c
@@ -464,8 +464,7 @@ static int tm6000_load_std(struct tm6000_core *dev, struct tm6000_reg_settings *
 	for (i = 0; set[i].req; i++) {
 		rc = tm6000_set_reg(dev, set[i].req, set[i].reg, set[i].value);
 		if (rc < 0) {
-			printk(KERN_ERR "Error %i while setting "
-			       "req %d, reg %d to value %d\n",
+			printk(KERN_ERR "Error %i while setting req %d, reg %d to value %d\n",
 			       rc, set[i].req, set[i].reg, set[i].value);
 			return rc;
 		}
diff --git a/drivers/media/usb/tm6000/tm6000-video.c b/drivers/media/usb/tm6000/tm6000-video.c
index dee7e7d3d47d..d9f3fa5db8dd 100644
--- a/drivers/media/usb/tm6000/tm6000-video.c
+++ b/drivers/media/usb/tm6000/tm6000-video.c
@@ -615,8 +615,7 @@ static int tm6000_prepare_isoc(struct tm6000_core *dev)
 		return -ENOMEM;
 	}
 
-	dprintk(dev, V4L2_DEBUG_QUEUE, "Allocating %d x %d packets"
-		    " (%d bytes) of %d bytes each to handle %u size\n",
+	dprintk(dev, V4L2_DEBUG_QUEUE, "Allocating %d x %d packets (%d bytes) of %d bytes each to handle %u size\n",
 		    max_packets, num_bufs, sb_size,
 		    dev->isoc_in.maxsize, size);
 
@@ -939,8 +938,8 @@ static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
 
 	fmt = format_by_fourcc(f->fmt.pix.pixelformat);
 	if (NULL == fmt) {
-		dprintk(dev, 2, "Fourcc format (0x%08x)"
-				" invalid.\n", f->fmt.pix.pixelformat);
+		dprintk(dev, 2, "Fourcc format (0x%08x) invalid.\n",
+			f->fmt.pix.pixelformat);
 		return -EINVAL;
 	}
 
@@ -1366,14 +1365,13 @@ static int __tm6000_open(struct file *file)
 	fh->width = dev->width;
 	fh->height = dev->height;
 
-	dprintk(dev, V4L2_DEBUG_OPEN, "Open: fh=0x%08lx, dev=0x%08lx, "
-						"dev->vidq=0x%08lx\n",
+	dprintk(dev, V4L2_DEBUG_OPEN, "Open: fh=0x%08lx, dev=0x%08lx, dev->vidq=0x%08lx\n",
 			(unsigned long)fh, (unsigned long)dev,
 			(unsigned long)&dev->vidq);
-	dprintk(dev, V4L2_DEBUG_OPEN, "Open: list_empty "
-				"queued=%d\n", list_empty(&dev->vidq.queued));
-	dprintk(dev, V4L2_DEBUG_OPEN, "Open: list_empty "
-				"active=%d\n", list_empty(&dev->vidq.active));
+	dprintk(dev, V4L2_DEBUG_OPEN, "Open: list_empty queued=%d\n",
+		list_empty(&dev->vidq.queued));
+	dprintk(dev, V4L2_DEBUG_OPEN, "Open: list_empty active=%d\n",
+		list_empty(&dev->vidq.active));
 
 	/* initialize hardware on analog mode */
 	rc = tm6000_init_analog_mode(dev);
diff --git a/drivers/media/usb/ttusb-budget/dvb-ttusb-budget.c b/drivers/media/usb/ttusb-budget/dvb-ttusb-budget.c
index d52d4a8d39ad..361e40b56045 100644
--- a/drivers/media/usb/ttusb-budget/dvb-ttusb-budget.c
+++ b/drivers/media/usb/ttusb-budget/dvb-ttusb-budget.c
@@ -767,8 +767,7 @@ static void ttusb_iso_irq(struct urb *urb)
 		for (i = 0; i < urb->number_of_packets; ++i) {
 			numpkt++;
 			if (time_after_eq(jiffies, lastj + HZ)) {
-				dprintk("frames/s: %lu (ts: %d, stuff %d, "
-					"sec: %d, invalid: %d, all: %d)\n",
+				dprintk("frames/s: %lu (ts: %d, stuff %d, sec: %d, invalid: %d, all: %d)\n",
 					numpkt * HZ / (jiffies - lastj),
 					numts, numstuff, numsec, numinvalid,
 					numts + numstuff + numsec + numinvalid);
diff --git a/drivers/media/usb/ttusb-dec/ttusb_dec.c b/drivers/media/usb/ttusb-dec/ttusb_dec.c
index 4e7671a3a1e4..fc0219f1b7df 100644
--- a/drivers/media/usb/ttusb-dec/ttusb_dec.c
+++ b/drivers/media/usb/ttusb-dec/ttusb_dec.c
@@ -36,7 +36,6 @@
 
 #include "dmxdev.h"
 #include "dvb_demux.h"
-#include "dvb_filter.h"
 #include "dvb_frontend.h"
 #include "dvb_net.h"
 #include "ttusbdecfe.h"
@@ -92,6 +91,15 @@ enum ttusb_dec_interface {
 	TTUSB_DEC_INTERFACE_OUT
 };
 
+typedef int (dvb_filter_pes2ts_cb_t) (void *, unsigned char *);
+
+struct dvb_filter_pes2ts {
+	unsigned char buf[188];
+	unsigned char cc;
+	dvb_filter_pes2ts_cb_t *cb;
+	void *priv;
+};
+
 struct ttusb_dec {
 	enum ttusb_dec_model		model;
 	char				*model_name;
@@ -201,6 +209,54 @@ static u16 rc_keys[] = {
 	KEY_RADIO
 };
 
+static void dvb_filter_pes2ts_init(struct dvb_filter_pes2ts *p2ts,
+				   unsigned short pid,
+				   dvb_filter_pes2ts_cb_t *cb, void *priv)
+{
+	unsigned char *buf=p2ts->buf;
+
+	buf[0]=0x47;
+	buf[1]=(pid>>8);
+	buf[2]=pid&0xff;
+	p2ts->cc=0;
+	p2ts->cb=cb;
+	p2ts->priv=priv;
+}
+
+static int dvb_filter_pes2ts(struct dvb_filter_pes2ts *p2ts,
+			     unsigned char *pes, int len, int payload_start)
+{
+	unsigned char *buf=p2ts->buf;
+	int ret=0, rest;
+
+	//len=6+((pes[4]<<8)|pes[5]);
+
+	if (payload_start)
+		buf[1]|=0x40;
+	else
+		buf[1]&=~0x40;
+	while (len>=184) {
+		buf[3]=0x10|((p2ts->cc++)&0x0f);
+		memcpy(buf+4, pes, 184);
+		if ((ret=p2ts->cb(p2ts->priv, buf)))
+			return ret;
+		len-=184; pes+=184;
+		buf[1]&=~0x40;
+	}
+	if (!len)
+		return 0;
+	buf[3]=0x30|((p2ts->cc++)&0x0f);
+	rest=183-len;
+	if (rest) {
+		buf[5]=0x00;
+		if (rest-1)
+			memset(buf+6, 0xff, rest-1);
+	}
+	buf[4]=rest;
+	memcpy(buf+5+rest, pes, len);
+	return p2ts->cb(p2ts->priv, buf);
+}
+
 static void ttusb_dec_set_model(struct ttusb_dec *dec,
 				enum ttusb_dec_model model);
 
@@ -273,7 +329,7 @@ static int ttusb_dec_send_command(struct ttusb_dec *dec, const u8 command,
 				  int param_length, const u8 params[],
 				  int *result_length, u8 cmd_result[])
 {
-	int result, actual_len, i;
+	int result, actual_len;
 	u8 *b;
 
 	dprintk("%s\n", __func__);
@@ -297,10 +353,8 @@ static int ttusb_dec_send_command(struct ttusb_dec *dec, const u8 command,
 		memcpy(&b[4], params, param_length);
 
 	if (debug) {
-		printk("%s: command: ", __func__);
-		for (i = 0; i < param_length + 4; i++)
-			printk("0x%02X ", b[i]);
-		printk("\n");
+		printk(KERN_DEBUG "%s: command: %*ph\n",
+		       __func__, param_length, b);
 	}
 
 	result = usb_bulk_msg(dec->udev, dec->command_pipe, b,
@@ -325,10 +379,8 @@ static int ttusb_dec_send_command(struct ttusb_dec *dec, const u8 command,
 		return result;
 	} else {
 		if (debug) {
-			printk("%s: result: ", __func__);
-			for (i = 0; i < actual_len; i++)
-				printk("0x%02X ", b[i]);
-			printk("\n");
+			printk(KERN_DEBUG "%s: result: %*ph\n",
+			       __func__, actual_len, b);
 		}
 
 		if (result_length)
@@ -652,8 +704,8 @@ static void ttusb_dec_process_urb_frame(struct ttusb_dec *dec, u8 *b,
 					dec->packet_payload_length = 2;
 					dec->packet_state = 7;
 				} else {
-					printk("%s: unknown packet type: "
-					       "%02x%02x\n", __func__,
+					printk("%s: unknown packet type: %02x%02x\n",
+					       __func__,
 					       dec->packet[0], dec->packet[1]);
 					dec->packet_state = 0;
 				}
@@ -905,8 +957,8 @@ static int ttusb_dec_start_iso_xfer(struct ttusb_dec *dec)
 		for (i = 0; i < ISO_BUF_COUNT; i++) {
 			if ((result = usb_submit_urb(dec->iso_urb[i],
 						     GFP_ATOMIC))) {
-				printk("%s: failed urb submission %d: "
-				       "error %d\n", __func__, i, result);
+				printk("%s: failed urb submission %d: error %d\n",
+				       __func__, i, result);
 
 				while (i) {
 					usb_kill_urb(dec->iso_urb[i - 1]);
@@ -1319,8 +1371,7 @@ static int ttusb_dec_boot_dsp(struct ttusb_dec *dec)
 	memcpy(&tmp, &firmware[56], 4);
 	crc32_check = ntohl(tmp);
 	if (crc32_csum != crc32_check) {
-		printk("%s: crc32 check of DSP code failed (calculated "
-		       "0x%08x != 0x%08x in file), file invalid.\n",
+		printk("%s: crc32 check of DSP code failed (calculated 0x%08x != 0x%08x in file), file invalid.\n",
 			__func__, crc32_csum, crc32_check);
 		release_firmware(fw_entry);
 		return -ENOENT;
@@ -1397,11 +1448,9 @@ static int ttusb_dec_init_stb(struct ttusb_dec *dec)
 
 	if (!mode) {
 		if (version == 0xABCDEFAB)
-			printk(KERN_INFO "ttusb_dec: no version "
-			       "info in Firmware\n");
+			printk(KERN_INFO "ttusb_dec: no version info in Firmware\n");
 		else
-			printk(KERN_INFO "ttusb_dec: Firmware "
-			       "%x.%02x%c%c\n",
+			printk(KERN_INFO "ttusb_dec: Firmware %x.%02x%c%c\n",
 			       version >> 24, (version >> 16) & 0xff,
 			       (version >> 8) & 0xff, version & 0xff);
 
@@ -1425,8 +1474,7 @@ static int ttusb_dec_init_stb(struct ttusb_dec *dec)
 			ttusb_dec_set_model(dec, TTUSB_DEC2540T);
 			break;
 		default:
-			printk(KERN_ERR "%s: unknown model returned "
-			       "by firmware (%08x) - please report\n",
+			printk(KERN_ERR "%s: unknown model returned by firmware (%08x) - please report\n",
 			       __func__, model);
 			return -ENOENT;
 		}
diff --git a/drivers/media/usb/ttusb-dec/ttusbdecfe.c b/drivers/media/usb/ttusb-dec/ttusbdecfe.c
index 8781335ab92f..2d9444905fdb 100644
--- a/drivers/media/usb/ttusb-dec/ttusbdecfe.c
+++ b/drivers/media/usb/ttusb-dec/ttusbdecfe.c
@@ -205,7 +205,7 @@ static void ttusbdecfe_release(struct dvb_frontend* fe)
 	kfree(state);
 }
 
-static struct dvb_frontend_ops ttusbdecfe_dvbt_ops;
+static const struct dvb_frontend_ops ttusbdecfe_dvbt_ops;
 
 struct dvb_frontend* ttusbdecfe_dvbt_attach(const struct ttusbdecfe_config* config)
 {
@@ -225,7 +225,7 @@ struct dvb_frontend* ttusbdecfe_dvbt_attach(const struct ttusbdecfe_config* conf
 	return &state->frontend;
 }
 
-static struct dvb_frontend_ops ttusbdecfe_dvbs_ops;
+static const struct dvb_frontend_ops ttusbdecfe_dvbs_ops;
 
 struct dvb_frontend* ttusbdecfe_dvbs_attach(const struct ttusbdecfe_config* config)
 {
@@ -247,7 +247,7 @@ struct dvb_frontend* ttusbdecfe_dvbs_attach(const struct ttusbdecfe_config* conf
 	return &state->frontend;
 }
 
-static struct dvb_frontend_ops ttusbdecfe_dvbt_ops = {
+static const struct dvb_frontend_ops ttusbdecfe_dvbt_ops = {
 	.delsys = { SYS_DVBT },
 	.info = {
 		.name			= "TechnoTrend/Hauppauge DEC2000-t Frontend",
@@ -270,7 +270,7 @@ static struct dvb_frontend_ops ttusbdecfe_dvbt_ops = {
 	.read_status = ttusbdecfe_dvbt_read_status,
 };
 
-static struct dvb_frontend_ops ttusbdecfe_dvbs_ops = {
+static const struct dvb_frontend_ops ttusbdecfe_dvbs_ops = {
 	.delsys = { SYS_DVBS },
 	.info = {
 		.name			= "TechnoTrend/Hauppauge DEC3000-s Frontend",
diff --git a/drivers/media/usb/usbtv/usbtv-video.c b/drivers/media/usb/usbtv/usbtv-video.c
index 6cbe4a245c9f..d3b6d3dfaa09 100644
--- a/drivers/media/usb/usbtv/usbtv-video.c
+++ b/drivers/media/usb/usbtv/usbtv-video.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2013 Lubomir Rintel
+ * Copyright (c) 2013,2016 Lubomir Rintel
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -259,6 +259,10 @@ static int usbtv_setup_capture(struct usbtv *usbtv)
 	if (ret)
 		return ret;
 
+	ret = v4l2_ctrl_handler_setup(&usbtv->ctrl);
+	if (ret)
+		return ret;
+
 	return 0;
 }
 
@@ -696,11 +700,91 @@ static const struct vb2_ops usbtv_vb2_ops = {
 	.stop_streaming = usbtv_stop_streaming,
 };
 
+static int usbtv_s_ctrl(struct v4l2_ctrl *ctrl)
+{
+	struct usbtv *usbtv = container_of(ctrl->handler, struct usbtv,
+								ctrl);
+	u8 *data;
+	u16 index, size;
+	int ret;
+
+	data = kmalloc(3, GFP_KERNEL);
+	if (!data)
+		return -ENOMEM;
+
+	/*
+	 * Read in the current brightness/contrast registers. We need them
+	 * both, because the values are for some reason interleaved.
+	 */
+	if (ctrl->id == V4L2_CID_BRIGHTNESS || ctrl->id == V4L2_CID_CONTRAST) {
+		ret = usb_control_msg(usbtv->udev,
+			usb_sndctrlpipe(usbtv->udev, 0), USBTV_CONTROL_REG,
+			USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
+			0, USBTV_BASE + 0x0244, (void *)data, 3, 0);
+		if (ret < 0)
+			goto error;
+	}
+
+	switch (ctrl->id) {
+	case V4L2_CID_BRIGHTNESS:
+		index = USBTV_BASE + 0x0244;
+		size = 3;
+		data[0] &= 0xf0;
+		data[0] |= (ctrl->val >> 8) & 0xf;
+		data[2] = ctrl->val & 0xff;
+		break;
+	case V4L2_CID_CONTRAST:
+		index = USBTV_BASE + 0x0244;
+		size = 3;
+		data[0] &= 0x0f;
+		data[0] |= (ctrl->val >> 4) & 0xf0;
+		data[1] = ctrl->val & 0xff;
+		break;
+	case V4L2_CID_SATURATION:
+		index = USBTV_BASE + 0x0242;
+		data[0] = ctrl->val >> 8;
+		data[1] = ctrl->val & 0xff;
+		size = 2;
+		break;
+	case V4L2_CID_HUE:
+		index = USBTV_BASE + 0x0240;
+		size = 2;
+		if (ctrl->val > 0) {
+			data[0] = 0x92 + (ctrl->val >> 8);
+			data[1] = ctrl->val & 0xff;
+		} else {
+			data[0] = 0x82 + (-ctrl->val >> 8);
+			data[1] = -ctrl->val & 0xff;
+		}
+		break;
+	default:
+		kfree(data);
+		return -EINVAL;
+	}
+
+	ret = usb_control_msg(usbtv->udev, usb_sndctrlpipe(usbtv->udev, 0),
+			USBTV_CONTROL_REG,
+			USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
+			0, index, (void *)data, size, 0);
+
+error:
+	if (ret < 0)
+		dev_warn(usbtv->dev, "Failed to submit a control request.\n");
+
+	kfree(data);
+	return ret;
+}
+
+static const struct v4l2_ctrl_ops usbtv_ctrl_ops = {
+	.s_ctrl = usbtv_s_ctrl,
+};
+
 static void usbtv_release(struct v4l2_device *v4l2_dev)
 {
 	struct usbtv *usbtv = container_of(v4l2_dev, struct usbtv, v4l2_dev);
 
 	v4l2_device_unregister(&usbtv->v4l2_dev);
+	v4l2_ctrl_handler_free(&usbtv->ctrl);
 	vb2_queue_release(&usbtv->vb2q);
 	kfree(usbtv);
 }
@@ -731,7 +815,24 @@ int usbtv_video_init(struct usbtv *usbtv)
 		return ret;
 	}
 
+	/* controls */
+	v4l2_ctrl_handler_init(&usbtv->ctrl, 4);
+	v4l2_ctrl_new_std(&usbtv->ctrl, &usbtv_ctrl_ops,
+			V4L2_CID_CONTRAST, 0, 0x3ff, 1, 0x1d0);
+	v4l2_ctrl_new_std(&usbtv->ctrl, &usbtv_ctrl_ops,
+			V4L2_CID_BRIGHTNESS, 0, 0x3ff, 1, 0x1c0);
+	v4l2_ctrl_new_std(&usbtv->ctrl, &usbtv_ctrl_ops,
+			V4L2_CID_SATURATION, 0, 0x3ff, 1, 0x200);
+	v4l2_ctrl_new_std(&usbtv->ctrl, &usbtv_ctrl_ops,
+			V4L2_CID_HUE, -0xdff, 0xdff, 1, 0x000);
+	ret = usbtv->ctrl.error;
+	if (ret < 0) {
+		dev_warn(usbtv->dev, "Could not initialize controls\n");
+		goto ctrl_fail;
+	}
+
 	/* v4l2 structure */
+	usbtv->v4l2_dev.ctrl_handler = &usbtv->ctrl;
 	usbtv->v4l2_dev.release = usbtv_release;
 	ret = v4l2_device_register(usbtv->dev, &usbtv->v4l2_dev);
 	if (ret < 0) {
@@ -760,6 +861,8 @@ int usbtv_video_init(struct usbtv *usbtv)
 vdev_fail:
 	v4l2_device_unregister(&usbtv->v4l2_dev);
 v4l2_fail:
+ctrl_fail:
+	v4l2_ctrl_handler_free(&usbtv->ctrl);
 	vb2_queue_release(&usbtv->vb2q);
 
 	return ret;
diff --git a/drivers/media/usb/usbtv/usbtv.h b/drivers/media/usb/usbtv/usbtv.h
index 011f9fdc77a9..0231e449877e 100644
--- a/drivers/media/usb/usbtv/usbtv.h
+++ b/drivers/media/usb/usbtv/usbtv.h
@@ -38,6 +38,7 @@
 #include <linux/usb.h>
 
 #include <media/v4l2-device.h>
+#include <media/v4l2-ctrls.h>
 #include <media/videobuf2-v4l2.h>
 #include <media/videobuf2-vmalloc.h>
 
@@ -45,6 +46,7 @@
 #define USBTV_VIDEO_ENDP	0x81
 #define USBTV_AUDIO_ENDP	0x83
 #define USBTV_BASE		0xc000
+#define USBTV_CONTROL_REG	11
 #define USBTV_REQUEST_REG	12
 
 /* Number of concurrent isochronous urbs submitted.
@@ -87,6 +89,7 @@ struct usbtv {
 
 	/* video */
 	struct v4l2_device v4l2_dev;
+	struct v4l2_ctrl_handler ctrl;
 	struct video_device vdev;
 	struct vb2_queue vb2q;
 	struct mutex v4l2_lock;
diff --git a/drivers/media/usb/usbvision/usbvision-core.c b/drivers/media/usb/usbvision/usbvision-core.c
index c23bf73a68ea..bf041a9e69db 100644
--- a/drivers/media/usb/usbvision/usbvision-core.c
+++ b/drivers/media/usb/usbvision/usbvision-core.c
@@ -1656,8 +1656,8 @@ static int usbvision_set_video_format(struct usb_usbvision *usbvision, int forma
 			     (__u16) USBVISION_FILT_CONT, value, 2, HZ);
 
 	if (rc < 0) {
-		printk(KERN_ERR "%s: ERROR=%d. USBVISION stopped - "
-		       "reconnect or reload driver.\n", proc, rc);
+		printk(KERN_ERR "%s: ERROR=%d. USBVISION stopped - reconnect or reload driver.\n",
+		       proc, rc);
 	}
 	usbvision->isoc_mode = format;
 	return rc;
@@ -1890,8 +1890,8 @@ static int usbvision_set_compress_params(struct usb_usbvision *usbvision)
 			     (__u16) USBVISION_INTRA_CYC, value, 5, HZ);
 
 	if (rc < 0) {
-		printk(KERN_ERR "%sERROR=%d. USBVISION stopped - "
-		       "reconnect or reload driver.\n", proc, rc);
+		printk(KERN_ERR "%sERROR=%d. USBVISION stopped - reconnect or reload driver.\n",
+		       proc, rc);
 		return rc;
 	}
 
@@ -1921,8 +1921,8 @@ static int usbvision_set_compress_params(struct usb_usbvision *usbvision)
 			     (__u16) USBVISION_PCM_THR1, value, 6, HZ);
 
 	if (rc < 0) {
-		printk(KERN_ERR "%sERROR=%d. USBVISION stopped - "
-		       "reconnect or reload driver.\n", proc, rc);
+		printk(KERN_ERR "%sERROR=%d. USBVISION stopped - reconnect or reload driver.\n",
+		       proc, rc);
 	}
 	return rc;
 }
@@ -1960,8 +1960,8 @@ int usbvision_set_input(struct usb_usbvision *usbvision)
 
 	rc = usbvision_write_reg(usbvision, USBVISION_VIN_REG1, value[0]);
 	if (rc < 0) {
-		printk(KERN_ERR "%sERROR=%d. USBVISION stopped - "
-		       "reconnect or reload driver.\n", proc, rc);
+		printk(KERN_ERR "%sERROR=%d. USBVISION stopped - reconnect or reload driver.\n",
+		       proc, rc);
 		return rc;
 	}
 
@@ -2026,8 +2026,8 @@ int usbvision_set_input(struct usb_usbvision *usbvision)
 			     USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_ENDPOINT, 0,
 			     (__u16) USBVISION_LXSIZE_I, value, 8, HZ);
 	if (rc < 0) {
-		printk(KERN_ERR "%sERROR=%d. USBVISION stopped - "
-		       "reconnect or reload driver.\n", proc, rc);
+		printk(KERN_ERR "%sERROR=%d. USBVISION stopped - reconnect or reload driver.\n",
+		       proc, rc);
 		return rc;
 	}
 
diff --git a/drivers/media/usb/usbvision/usbvision-video.c b/drivers/media/usb/usbvision/usbvision-video.c
index c8b4eb2ee7a2..a7529196c327 100644
--- a/drivers/media/usb/usbvision/usbvision-video.c
+++ b/drivers/media/usb/usbvision/usbvision-video.c
@@ -1456,8 +1456,8 @@ static int usbvision_probe(struct usb_interface *intf,
 	}
 
 	if (interface->desc.bNumEndpoints < 2) {
-		dev_err(&intf->dev, "interface %d has %d endpoints, but must"
-		    " have minimum 2\n", ifnum, interface->desc.bNumEndpoints);
+		dev_err(&intf->dev, "interface %d has %d endpoints, but must have minimum 2\n",
+			ifnum, interface->desc.bNumEndpoints);
 		ret = -ENODEV;
 		goto err_usb;
 	}
diff --git a/drivers/media/usb/uvc/uvc_driver.c b/drivers/media/usb/uvc/uvc_driver.c
index 302e284a95eb..04bf35063c4c 100644
--- a/drivers/media/usb/uvc/uvc_driver.c
+++ b/drivers/media/usb/uvc/uvc_driver.c
@@ -168,6 +168,26 @@ static struct uvc_format_desc uvc_fmts[] = {
 		.guid		= UVC_GUID_FORMAT_RW10,
 		.fcc		= V4L2_PIX_FMT_SRGGB10P,
 	},
+	{
+		.name		= "Bayer 16-bit (SBGGR16)",
+		.guid		= UVC_GUID_FORMAT_BG16,
+		.fcc		= V4L2_PIX_FMT_SBGGR16,
+	},
+	{
+		.name		= "Bayer 16-bit (SGBRG16)",
+		.guid		= UVC_GUID_FORMAT_GB16,
+		.fcc		= V4L2_PIX_FMT_SGBRG16,
+	},
+	{
+		.name		= "Bayer 16-bit (SRGGB16)",
+		.guid		= UVC_GUID_FORMAT_RG16,
+		.fcc		= V4L2_PIX_FMT_SRGGB16,
+	},
+	{
+		.name		= "Bayer 16-bit (SGRBG16)",
+		.guid		= UVC_GUID_FORMAT_GR16,
+		.fcc		= V4L2_PIX_FMT_SGRBG16,
+	},
 };
 
 /* ------------------------------------------------------------------------
@@ -1309,7 +1329,7 @@ static int uvc_scan_chain_entity(struct uvc_video_chain *chain,
 	switch (UVC_ENTITY_TYPE(entity)) {
 	case UVC_VC_EXTENSION_UNIT:
 		if (uvc_trace_param & UVC_TRACE_PROBE)
-			printk(" <- XU %d", entity->id);
+			printk(KERN_CONT " <- XU %d", entity->id);
 
 		if (entity->bNrInPins != 1) {
 			uvc_trace(UVC_TRACE_DESCR, "Extension unit %d has more "
@@ -1321,7 +1341,7 @@ static int uvc_scan_chain_entity(struct uvc_video_chain *chain,
 
 	case UVC_VC_PROCESSING_UNIT:
 		if (uvc_trace_param & UVC_TRACE_PROBE)
-			printk(" <- PU %d", entity->id);
+			printk(KERN_CONT " <- PU %d", entity->id);
 
 		if (chain->processing != NULL) {
 			uvc_trace(UVC_TRACE_DESCR, "Found multiple "
@@ -1334,7 +1354,7 @@ static int uvc_scan_chain_entity(struct uvc_video_chain *chain,
 
 	case UVC_VC_SELECTOR_UNIT:
 		if (uvc_trace_param & UVC_TRACE_PROBE)
-			printk(" <- SU %d", entity->id);
+			printk(KERN_CONT " <- SU %d", entity->id);
 
 		/* Single-input selector units are ignored. */
 		if (entity->bNrInPins == 1)
@@ -1353,7 +1373,7 @@ static int uvc_scan_chain_entity(struct uvc_video_chain *chain,
 	case UVC_ITT_CAMERA:
 	case UVC_ITT_MEDIA_TRANSPORT_INPUT:
 		if (uvc_trace_param & UVC_TRACE_PROBE)
-			printk(" <- IT %d\n", entity->id);
+			printk(KERN_CONT " <- IT %d\n", entity->id);
 
 		break;
 
@@ -1361,17 +1381,17 @@ static int uvc_scan_chain_entity(struct uvc_video_chain *chain,
 	case UVC_OTT_DISPLAY:
 	case UVC_OTT_MEDIA_TRANSPORT_OUTPUT:
 		if (uvc_trace_param & UVC_TRACE_PROBE)
-			printk(" OT %d", entity->id);
+			printk(KERN_CONT " OT %d", entity->id);
 
 		break;
 
 	case UVC_TT_STREAMING:
 		if (UVC_ENTITY_IS_ITERM(entity)) {
 			if (uvc_trace_param & UVC_TRACE_PROBE)
-				printk(" <- IT %d\n", entity->id);
+				printk(KERN_CONT " <- IT %d\n", entity->id);
 		} else {
 			if (uvc_trace_param & UVC_TRACE_PROBE)
-				printk(" OT %d", entity->id);
+				printk(KERN_CONT " OT %d", entity->id);
 		}
 
 		break;
@@ -1416,9 +1436,9 @@ static int uvc_scan_chain_forward(struct uvc_video_chain *chain,
 			list_add_tail(&forward->chain, &chain->entities);
 			if (uvc_trace_param & UVC_TRACE_PROBE) {
 				if (!found)
-					printk(" (->");
+					printk(KERN_CONT " (->");
 
-				printk(" XU %d", forward->id);
+				printk(KERN_CONT " XU %d", forward->id);
 				found = 1;
 			}
 			break;
@@ -1436,16 +1456,16 @@ static int uvc_scan_chain_forward(struct uvc_video_chain *chain,
 			list_add_tail(&forward->chain, &chain->entities);
 			if (uvc_trace_param & UVC_TRACE_PROBE) {
 				if (!found)
-					printk(" (->");
+					printk(KERN_CONT " (->");
 
-				printk(" OT %d", forward->id);
+				printk(KERN_CONT " OT %d", forward->id);
 				found = 1;
 			}
 			break;
 		}
 	}
 	if (found)
-		printk(")");
+		printk(KERN_CONT ")");
 
 	return 0;
 }
@@ -1471,7 +1491,7 @@ static int uvc_scan_chain_backward(struct uvc_video_chain *chain,
 		}
 
 		if (uvc_trace_param & UVC_TRACE_PROBE)
-			printk(" <- IT");
+			printk(KERN_CONT " <- IT");
 
 		chain->selector = entity;
 		for (i = 0; i < entity->bNrInPins; ++i) {
@@ -1485,14 +1505,14 @@ static int uvc_scan_chain_backward(struct uvc_video_chain *chain,
 			}
 
 			if (uvc_trace_param & UVC_TRACE_PROBE)
-				printk(" %d", term->id);
+				printk(KERN_CONT " %d", term->id);
 
 			list_add_tail(&term->chain, &chain->entities);
 			uvc_scan_chain_forward(chain, term, entity);
 		}
 
 		if (uvc_trace_param & UVC_TRACE_PROBE)
-			printk("\n");
+			printk(KERN_CONT "\n");
 
 		id = 0;
 		break;
@@ -1595,6 +1615,114 @@ static const char *uvc_print_chain(struct uvc_video_chain *chain)
 	return buffer;
 }
 
+static struct uvc_video_chain *uvc_alloc_chain(struct uvc_device *dev)
+{
+	struct uvc_video_chain *chain;
+
+	chain = kzalloc(sizeof(*chain), GFP_KERNEL);
+	if (chain == NULL)
+		return NULL;
+
+	INIT_LIST_HEAD(&chain->entities);
+	mutex_init(&chain->ctrl_mutex);
+	chain->dev = dev;
+	v4l2_prio_init(&chain->prio);
+
+	return chain;
+}
+
+/*
+ * Fallback heuristic for devices that don't connect units and terminals in a
+ * valid chain.
+ *
+ * Some devices have invalid baSourceID references, causing uvc_scan_chain()
+ * to fail, but if we just take the entities we can find and put them together
+ * in the most sensible chain we can think of, turns out they do work anyway.
+ * Note: This heuristic assumes there is a single chain.
+ *
+ * At the time of writing, devices known to have such a broken chain are
+ *  - Acer Integrated Camera (5986:055a)
+ *  - Realtek rtl157a7 (0bda:57a7)
+ */
+static int uvc_scan_fallback(struct uvc_device *dev)
+{
+	struct uvc_video_chain *chain;
+	struct uvc_entity *iterm = NULL;
+	struct uvc_entity *oterm = NULL;
+	struct uvc_entity *entity;
+	struct uvc_entity *prev;
+
+	/*
+	 * Start by locating the input and output terminals. We only support
+	 * devices with exactly one of each for now.
+	 */
+	list_for_each_entry(entity, &dev->entities, list) {
+		if (UVC_ENTITY_IS_ITERM(entity)) {
+			if (iterm)
+				return -EINVAL;
+			iterm = entity;
+		}
+
+		if (UVC_ENTITY_IS_OTERM(entity)) {
+			if (oterm)
+				return -EINVAL;
+			oterm = entity;
+		}
+	}
+
+	if (iterm == NULL || oterm == NULL)
+		return -EINVAL;
+
+	/* Allocate the chain and fill it. */
+	chain = uvc_alloc_chain(dev);
+	if (chain == NULL)
+		return -ENOMEM;
+
+	if (uvc_scan_chain_entity(chain, oterm) < 0)
+		goto error;
+
+	prev = oterm;
+
+	/*
+	 * Add all Processing and Extension Units with two pads. The order
+	 * doesn't matter much, use reverse list traversal to connect units in
+	 * UVC descriptor order as we build the chain from output to input. This
+	 * leads to units appearing in the order meant by the manufacturer for
+	 * the cameras known to require this heuristic.
+	 */
+	list_for_each_entry_reverse(entity, &dev->entities, list) {
+		if (entity->type != UVC_VC_PROCESSING_UNIT &&
+		    entity->type != UVC_VC_EXTENSION_UNIT)
+			continue;
+
+		if (entity->num_pads != 2)
+			continue;
+
+		if (uvc_scan_chain_entity(chain, entity) < 0)
+			goto error;
+
+		prev->baSourceID[0] = entity->id;
+		prev = entity;
+	}
+
+	if (uvc_scan_chain_entity(chain, iterm) < 0)
+		goto error;
+
+	prev->baSourceID[0] = iterm->id;
+
+	list_add_tail(&chain->list, &dev->chains);
+
+	uvc_trace(UVC_TRACE_PROBE,
+		  "Found a video chain by fallback heuristic (%s).\n",
+		  uvc_print_chain(chain));
+
+	return 0;
+
+error:
+	kfree(chain);
+	return -EINVAL;
+}
+
 /*
  * Scan the device for video chains and register video devices.
  *
@@ -1617,15 +1745,10 @@ static int uvc_scan_device(struct uvc_device *dev)
 		if (term->chain.next || term->chain.prev)
 			continue;
 
-		chain = kzalloc(sizeof(*chain), GFP_KERNEL);
+		chain = uvc_alloc_chain(dev);
 		if (chain == NULL)
 			return -ENOMEM;
 
-		INIT_LIST_HEAD(&chain->entities);
-		mutex_init(&chain->ctrl_mutex);
-		chain->dev = dev;
-		v4l2_prio_init(&chain->prio);
-
 		term->flags |= UVC_ENTITY_FLAG_DEFAULT;
 
 		if (uvc_scan_chain(chain, term) < 0) {
@@ -1639,6 +1762,9 @@ static int uvc_scan_device(struct uvc_device *dev)
 		list_add_tail(&chain->list, &dev->chains);
 	}
 
+	if (list_empty(&dev->chains))
+		uvc_scan_fallback(dev);
+
 	if (list_empty(&dev->chains)) {
 		uvc_printk(KERN_INFO, "No valid video chain found.\n");
 		return -1;
@@ -2564,6 +2690,15 @@ static struct usb_device_id uvc_ids[] = {
 	  .bInterfaceSubClass	= 1,
 	  .bInterfaceProtocol	= 0,
 	  .driver_info		= UVC_QUIRK_FORCE_Y8 },
+	/* Oculus VR Rift Sensor */
+	{ .match_flags		= USB_DEVICE_ID_MATCH_DEVICE
+				| USB_DEVICE_ID_MATCH_INT_INFO,
+	  .idVendor		= 0x2833,
+	  .idProduct		= 0x0211,
+	  .bInterfaceClass	= USB_CLASS_VENDOR_SPEC,
+	  .bInterfaceSubClass	= 1,
+	  .bInterfaceProtocol	= 0,
+	  .driver_info		= UVC_QUIRK_FORCE_Y8 },
 	/* Generic USB Video Class */
 	{ USB_INTERFACE_INFO(USB_CLASS_VIDEO, 1, UVC_PC_PROTOCOL_UNDEFINED) },
 	{ USB_INTERFACE_INFO(USB_CLASS_VIDEO, 1, UVC_PC_PROTOCOL_15) },
diff --git a/drivers/media/usb/uvc/uvc_v4l2.c b/drivers/media/usb/uvc/uvc_v4l2.c
index 05eed4be25df..3e7e283a44a8 100644
--- a/drivers/media/usb/uvc/uvc_v4l2.c
+++ b/drivers/media/usb/uvc/uvc_v4l2.c
@@ -66,19 +66,14 @@ static int uvc_ioctl_ctrl_map(struct uvc_video_chain *chain,
 		if (xmap->menu_count == 0 ||
 		    xmap->menu_count > UVC_MAX_CONTROL_MENU_ENTRIES) {
 			ret = -EINVAL;
-			goto done;
+			goto free_map;
 		}
 
 		size = xmap->menu_count * sizeof(*map->menu_info);
-		map->menu_info = kmalloc(size, GFP_KERNEL);
-		if (map->menu_info == NULL) {
-			ret = -ENOMEM;
-			goto done;
-		}
-
-		if (copy_from_user(map->menu_info, xmap->menu_info, size)) {
-			ret = -EFAULT;
-			goto done;
+		map->menu_info = memdup_user(xmap->menu_info, size);
+		if (IS_ERR(map->menu_info)) {
+			ret = PTR_ERR(map->menu_info);
+			goto free_map;
 		}
 
 		map->menu_count = xmap->menu_count;
@@ -88,13 +83,13 @@ static int uvc_ioctl_ctrl_map(struct uvc_video_chain *chain,
 		uvc_trace(UVC_TRACE_CONTROL, "Unsupported V4L2 control type "
 			  "%u.\n", xmap->v4l2_type);
 		ret = -ENOTTY;
-		goto done;
+		goto free_map;
 	}
 
 	ret = uvc_ctrl_add_mapping(chain, map);
 
-done:
 	kfree(map->menu_info);
+free_map:
 	kfree(map);
 
 	return ret;
diff --git a/drivers/media/usb/uvc/uvcvideo.h b/drivers/media/usb/uvc/uvcvideo.h
index 7e4d3eea371b..3d6cc62f3cd2 100644
--- a/drivers/media/usb/uvc/uvcvideo.h
+++ b/drivers/media/usb/uvc/uvcvideo.h
@@ -106,6 +106,18 @@
 #define UVC_GUID_FORMAT_RGGB \
 	{ 'R',  'G',  'G',  'B', 0x00, 0x00, 0x10, 0x00, \
 	 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
+#define UVC_GUID_FORMAT_BG16 \
+	{ 'B',  'G',  '1',  '6', 0x00, 0x00, 0x10, 0x00, \
+	 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
+#define UVC_GUID_FORMAT_GB16 \
+	{ 'G',  'B',  '1',  '6', 0x00, 0x00, 0x10, 0x00, \
+	 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
+#define UVC_GUID_FORMAT_RG16 \
+	{ 'R',  'G',  '1',  '6', 0x00, 0x00, 0x10, 0x00, \
+	 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
+#define UVC_GUID_FORMAT_GR16 \
+	{ 'G',  'R',  '1',  '6', 0x00, 0x00, 0x10, 0x00, \
+	 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
 #define UVC_GUID_FORMAT_RGBP \
 	{ 'R',  'G',  'B',  'P', 0x00, 0x00, 0x10, 0x00, \
 	 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
diff --git a/drivers/media/usb/zr364xx/zr364xx.c b/drivers/media/usb/zr364xx/zr364xx.c
index cc128db85723..3950708cbb32 100644
--- a/drivers/media/usb/zr364xx/zr364xx.c
+++ b/drivers/media/usb/zr364xx/zr364xx.c
@@ -633,8 +633,7 @@ static int zr364xx_read_video_callback(struct zr364xx_camera *cam,
 	} else {
 		if (frm->cur_size + purb->actual_length > MAX_FRAME_SIZE) {
 			dev_info(&cam->udev->dev,
-				 "%s: buffer (%d bytes) too small to hold "
-				 "frame data. Discarding frame data.\n",
+				 "%s: buffer (%d bytes) too small to hold frame data. Discarding frame data.\n",
 				 __func__, MAX_FRAME_SIZE);
 		} else {
 			pdest += frm->cur_size;
@@ -1373,8 +1372,7 @@ static int zr364xx_board_init(struct zr364xx_camera *cam)
 			&cam->buffer.frame[i], i,
 			cam->buffer.frame[i].lpvbits);
 		if (cam->buffer.frame[i].lpvbits == NULL) {
-			printk(KERN_INFO KBUILD_MODNAME ": out of memory. "
-			       "Using less frames\n");
+			printk(KERN_INFO KBUILD_MODNAME ": out of memory. Using less frames\n");
 			break;
 		}
 	}
diff --git a/drivers/media/v4l2-core/Kconfig b/drivers/media/v4l2-core/Kconfig
index 367523a3c774..6b1b78ff1417 100644
--- a/drivers/media/v4l2-core/Kconfig
+++ b/drivers/media/v4l2-core/Kconfig
@@ -6,6 +6,7 @@
 config VIDEO_V4L2
 	tristate
 	depends on (I2C || I2C=n) && VIDEO_DEV
+	select RATIONAL
 	default (I2C || I2C=n) && VIDEO_DEV
 
 config VIDEO_ADV_DEBUG
diff --git a/drivers/media/v4l2-core/tuner-core.c b/drivers/media/v4l2-core/tuner-core.c
index 731487be5baa..05b5c6652cfa 100644
--- a/drivers/media/v4l2-core/tuner-core.c
+++ b/drivers/media/v4l2-core/tuner-core.c
@@ -84,30 +84,16 @@ static const struct v4l2_subdev_ops tuner_ops;
  * Debug macros
  */
 
-#define tuner_warn(fmt, arg...) do {			\
-	printk(KERN_WARNING "%s %d-%04x: " fmt, PREFIX, \
-	       i2c_adapter_id(t->i2c->adapter),		\
-	       t->i2c->addr, ##arg);			\
-	 } while (0)
-
-#define tuner_info(fmt, arg...) do {			\
-	printk(KERN_INFO "%s %d-%04x: " fmt, PREFIX,	\
-	       i2c_adapter_id(t->i2c->adapter),		\
-	       t->i2c->addr, ##arg);			\
-	 } while (0)
-
-#define tuner_err(fmt, arg...) do {			\
-	printk(KERN_ERR "%s %d-%04x: " fmt, PREFIX,	\
-	       i2c_adapter_id(t->i2c->adapter),		\
-	       t->i2c->addr, ##arg);			\
-	 } while (0)
-
-#define tuner_dbg(fmt, arg...) do {				\
-	if (tuner_debug)					\
-		printk(KERN_DEBUG "%s %d-%04x: " fmt, PREFIX,	\
-		       i2c_adapter_id(t->i2c->adapter),		\
-		       t->i2c->addr, ##arg);			\
-	 } while (0)
+#undef pr_fmt
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": %d-%04x: " fmt,		\
+	i2c_adapter_id(t->i2c->adapter), t->i2c->addr
+
+
+#define dprintk(fmt, arg...) do {					\
+	if (tuner_debug)						\
+		printk(KERN_DEBUG pr_fmt("%s: " fmt), __func__, ##arg);	\
+} while (0)
 
 /*
  * Internal struct used inside the driver
@@ -208,7 +194,7 @@ static void fe_set_params(struct dvb_frontend *fe,
 	struct tuner *t = fe->analog_demod_priv;
 
 	if (NULL == fe_tuner_ops->set_analog_params) {
-		tuner_warn("Tuner frontend module has no way to set freq\n");
+		pr_warn("Tuner frontend module has no way to set freq\n");
 		return;
 	}
 	fe_tuner_ops->set_analog_params(fe, params);
@@ -230,7 +216,7 @@ static int fe_set_config(struct dvb_frontend *fe, void *priv_cfg)
 	if (fe_tuner_ops->set_config)
 		return fe_tuner_ops->set_config(fe, priv_cfg);
 
-	tuner_warn("Tuner frontend module has no way to set config\n");
+	pr_warn("Tuner frontend module has no way to set config\n");
 
 	return 0;
 }
@@ -273,14 +259,14 @@ static void set_type(struct i2c_client *c, unsigned int type,
 	int tune_now = 1;
 
 	if (type == UNSET || type == TUNER_ABSENT) {
-		tuner_dbg("tuner 0x%02x: Tuner type absent\n", c->addr);
+		dprintk("tuner 0x%02x: Tuner type absent\n", c->addr);
 		return;
 	}
 
 	t->type = type;
 	t->config = new_config;
 	if (tuner_callback != NULL) {
-		tuner_dbg("defining GPIO callback\n");
+		dprintk("defining GPIO callback\n");
 		t->fe.callback = tuner_callback;
 	}
 
@@ -442,7 +428,7 @@ static void set_type(struct i2c_client *c, unsigned int type,
 	t->sd.entity.name = t->name;
 #endif
 
-	tuner_dbg("type set to %s\n", t->name);
+	dprintk("type set to %s\n", t->name);
 
 	t->mode_mask = new_mode_mask;
 
@@ -459,13 +445,13 @@ static void set_type(struct i2c_client *c, unsigned int type,
 			set_tv_freq(c, t->tv_freq);
 	}
 
-	tuner_dbg("%s %s I2C addr 0x%02x with type %d used for 0x%02x\n",
+	dprintk("%s %s I2C addr 0x%02x with type %d used for 0x%02x\n",
 		  c->adapter->name, c->dev.driver->name, c->addr << 1, type,
 		  t->mode_mask);
 	return;
 
 attach_failed:
-	tuner_dbg("Tuner attach for type = %d failed.\n", t->type);
+	dprintk("Tuner attach for type = %d failed.\n", t->type);
 	t->type = TUNER_ABSENT;
 
 	return;
@@ -491,7 +477,7 @@ static int tuner_s_type_addr(struct v4l2_subdev *sd,
 	struct tuner *t = to_tuner(sd);
 	struct i2c_client *c = v4l2_get_subdevdata(sd);
 
-	tuner_dbg("Calling set_type_addr for type=%d, addr=0x%02x, mode=0x%02x, config=%p\n",
+	dprintk("Calling set_type_addr for type=%d, addr=0x%02x, mode=0x%02x, config=%p\n",
 			tun_setup->type,
 			tun_setup->addr,
 			tun_setup->mode_mask,
@@ -503,8 +489,7 @@ static int tuner_s_type_addr(struct v4l2_subdev *sd,
 		set_type(c, tun_setup->type, tun_setup->mode_mask,
 			 tun_setup->config, tun_setup->tuner_callback);
 	} else
-		tuner_dbg("set addr discarded for type %i, mask %x. "
-			  "Asked to change tuner at addr 0x%02x, with mask %x\n",
+		dprintk("set addr discarded for type %i, mask %x. Asked to change tuner at addr 0x%02x, with mask %x\n",
 			  t->type, t->mode_mask,
 			  tun_setup->addr, tun_setup->mode_mask);
 
@@ -534,7 +519,7 @@ static int tuner_s_config(struct v4l2_subdev *sd,
 		return 0;
 	}
 
-	tuner_dbg("Tuner frontend module has no way to set config\n");
+	dprintk("Tuner frontend module has no way to set config\n");
 	return 0;
 }
 
@@ -618,14 +603,12 @@ static int tuner_probe(struct i2c_client *client,
 
 	if (show_i2c) {
 		unsigned char buffer[16];
-		int i, rc;
+		int rc;
 
 		memset(buffer, 0, sizeof(buffer));
 		rc = i2c_master_recv(client, buffer, sizeof(buffer));
-		tuner_info("I2C RECV = ");
-		for (i = 0; i < rc; i++)
-			printk(KERN_CONT "%02x ", buffer[i]);
-		printk("\n");
+		if (rc >= 0)
+			pr_info("I2C RECV = %*ph\n", rc, buffer);
 	}
 
 	/* autodetection code based on the i2c addr */
@@ -653,7 +636,7 @@ static int tuner_probe(struct i2c_client *client,
 			   since it can be tda9887*/
 			if (tuner_symbol_probe(tda829x_probe, t->i2c->adapter,
 					       t->i2c->addr) >= 0) {
-				tuner_dbg("tda829x detected\n");
+				dprintk("tda829x detected\n");
 			} else {
 				/* Default is being tda9887 */
 				t->type = TUNER_TDA9887;
@@ -690,7 +673,7 @@ static int tuner_probe(struct i2c_client *client,
 		t->mode_mask = T_ANALOG_TV;
 		if (radio == NULL)
 			t->mode_mask |= T_RADIO;
-		tuner_dbg("Setting mode_mask to 0x%02x\n", t->mode_mask);
+		dprintk("Setting mode_mask to 0x%02x\n", t->mode_mask);
 	}
 
 	/* Should be just before return */
@@ -719,7 +702,7 @@ register_client:
 	}
 
 	if (ret < 0) {
-		tuner_err("failed to initialize media entity!\n");
+		pr_err("failed to initialize media entity!\n");
 		kfree(t);
 		return ret;
 	}
@@ -732,7 +715,7 @@ register_client:
 	set_type(client, t->type, t->mode_mask, t->config, t->fe.callback);
 	list_add_tail(&t->list, &tuner_list);
 
-	tuner_info("Tuner %d found with type(s)%s%s.\n",
+	pr_info("Tuner %d found with type(s)%s%s.\n",
 		   t->type,
 		   t->mode_mask & T_RADIO ? " Radio" : "",
 		   t->mode_mask & T_ANALOG_TV ? " TV" : "");
@@ -809,15 +792,15 @@ static int set_mode(struct tuner *t, enum v4l2_tuner_type mode)
 
 	if (mode != t->mode) {
 		if (check_mode(t, mode) == -EINVAL) {
-			tuner_dbg("Tuner doesn't support mode %d. "
-				  "Putting tuner to sleep\n", mode);
+			dprintk("Tuner doesn't support mode %d. Putting tuner to sleep\n",
+				  mode);
 			t->standby = true;
 			if (analog_ops->standby)
 				analog_ops->standby(&t->fe);
 			return -EINVAL;
 		}
 		t->mode = mode;
-		tuner_dbg("Changing to mode %d\n", mode);
+		dprintk("Changing to mode %d\n", mode);
 	}
 	return 0;
 }
@@ -864,15 +847,15 @@ static void set_tv_freq(struct i2c_client *c, unsigned int freq)
 	};
 
 	if (t->type == UNSET) {
-		tuner_warn("tuner type not set\n");
+		pr_warn("tuner type not set\n");
 		return;
 	}
 	if (NULL == analog_ops->set_params) {
-		tuner_warn("Tuner has no way to set tv freq\n");
+		pr_warn("Tuner has no way to set tv freq\n");
 		return;
 	}
 	if (freq < tv_range[0] * 16 || freq > tv_range[1] * 16) {
-		tuner_dbg("TV freq (%d.%02d) out of range (%d-%d)\n",
+		dprintk("TV freq (%d.%02d) out of range (%d-%d)\n",
 			   freq / 16, freq % 16 * 100 / 16, tv_range[0],
 			   tv_range[1]);
 		/* V4L2 spec: if the freq is not possible then the closest
@@ -883,7 +866,7 @@ static void set_tv_freq(struct i2c_client *c, unsigned int freq)
 			freq = tv_range[1] * 16;
 	}
 	params.frequency = freq;
-	tuner_dbg("tv freq set to %d.%02d\n",
+	dprintk("tv freq set to %d.%02d\n",
 			freq / 16, freq % 16 * 100 / 16);
 	t->tv_freq = freq;
 	t->standby = false;
@@ -933,7 +916,7 @@ static v4l2_std_id tuner_fixup_std(struct tuner *t, v4l2_std_id std)
 				return V4L2_STD_PAL_Nc;
 			return V4L2_STD_PAL_N;
 		default:
-			tuner_warn("pal= argument not recognised\n");
+			pr_warn("pal= argument not recognised\n");
 			break;
 		}
 	}
@@ -959,7 +942,7 @@ static v4l2_std_id tuner_fixup_std(struct tuner *t, v4l2_std_id std)
 				return V4L2_STD_SECAM_LC;
 			return V4L2_STD_SECAM_L;
 		default:
-			tuner_warn("secam= argument not recognised\n");
+			pr_warn("secam= argument not recognised\n");
 			break;
 		}
 	}
@@ -976,7 +959,7 @@ static v4l2_std_id tuner_fixup_std(struct tuner *t, v4l2_std_id std)
 		case 'K':
 			return V4L2_STD_NTSC_M_KR;
 		default:
-			tuner_info("ntsc= argument not recognised\n");
+			pr_info("ntsc= argument not recognised\n");
 			break;
 		}
 	}
@@ -1005,15 +988,15 @@ static void set_radio_freq(struct i2c_client *c, unsigned int freq)
 	};
 
 	if (t->type == UNSET) {
-		tuner_warn("tuner type not set\n");
+		pr_warn("tuner type not set\n");
 		return;
 	}
 	if (NULL == analog_ops->set_params) {
-		tuner_warn("tuner has no way to set radio frequency\n");
+		pr_warn("tuner has no way to set radio frequency\n");
 		return;
 	}
 	if (freq < radio_range[0] * 16000 || freq > radio_range[1] * 16000) {
-		tuner_dbg("radio freq (%d.%02d) out of range (%d-%d)\n",
+		dprintk("radio freq (%d.%02d) out of range (%d-%d)\n",
 			   freq / 16000, freq % 16000 * 100 / 16000,
 			   radio_range[0], radio_range[1]);
 		/* V4L2 spec: if the freq is not possible then the closest
@@ -1024,7 +1007,7 @@ static void set_radio_freq(struct i2c_client *c, unsigned int freq)
 			freq = radio_range[1] * 16000;
 	}
 	params.frequency = freq;
-	tuner_dbg("radio freq set to %d.%02d\n",
+	dprintk("radio freq set to %d.%02d\n",
 			freq / 16000, freq % 16000 * 100 / 16000);
 	t->radio_freq = freq;
 	t->standby = false;
@@ -1075,10 +1058,10 @@ static void tuner_status(struct dvb_frontend *fe)
 		freq = t->tv_freq / 16;
 		freq_fraction = (t->tv_freq % 16) * 100 / 16;
 	}
-	tuner_info("Tuner mode:      %s%s\n", p,
+	pr_info("Tuner mode:      %s%s\n", p,
 		   t->standby ? " on standby mode" : "");
-	tuner_info("Frequency:       %lu.%02lu MHz\n", freq, freq_fraction);
-	tuner_info("Standard:        0x%08lx\n", (unsigned long)t->std);
+	pr_info("Frequency:       %lu.%02lu MHz\n", freq, freq_fraction);
+	pr_info("Standard:        0x%08lx\n", (unsigned long)t->std);
 	if (t->mode != V4L2_TUNER_RADIO)
 		return;
 	if (fe_tuner_ops->get_status) {
@@ -1086,15 +1069,15 @@ static void tuner_status(struct dvb_frontend *fe)
 
 		fe_tuner_ops->get_status(&t->fe, &tuner_status);
 		if (tuner_status & TUNER_STATUS_LOCKED)
-			tuner_info("Tuner is locked.\n");
+			pr_info("Tuner is locked.\n");
 		if (tuner_status & TUNER_STATUS_STEREO)
-			tuner_info("Stereo:          yes\n");
+			pr_info("Stereo:          yes\n");
 	}
 	if (analog_ops->has_signal) {
 		u16 signal;
 
 		if (!analog_ops->has_signal(fe, &signal))
-			tuner_info("Signal strength: %hu\n", signal);
+			pr_info("Signal strength: %hu\n", signal);
 	}
 }
 
@@ -1127,13 +1110,13 @@ static int tuner_s_power(struct v4l2_subdev *sd, int on)
 
 	if (on) {
 		if (t->standby && set_mode(t, t->mode) == 0) {
-			tuner_dbg("Waking up tuner\n");
+			dprintk("Waking up tuner\n");
 			set_freq(t, 0);
 		}
 		return 0;
 	}
 
-	tuner_dbg("Putting tuner to sleep\n");
+	dprintk("Putting tuner to sleep\n");
 	t->standby = true;
 	if (analog_ops->standby)
 		analog_ops->standby(&t->fe);
@@ -1149,7 +1132,7 @@ static int tuner_s_std(struct v4l2_subdev *sd, v4l2_std_id std)
 
 	t->std = tuner_fixup_std(t, std);
 	if (t->std != std)
-		tuner_dbg("Fixup standard %llx to %llx\n", std, t->std);
+		dprintk("Fixup standard %llx to %llx\n", std, t->std);
 	set_freq(t, 0);
 	return 0;
 }
@@ -1298,7 +1281,7 @@ static int tuner_suspend(struct device *dev)
 	struct tuner *t = to_tuner(i2c_get_clientdata(c));
 	struct analog_demod_ops *analog_ops = &t->fe.ops.analog_ops;
 
-	tuner_dbg("suspend\n");
+	dprintk("suspend\n");
 
 	if (t->fe.ops.tuner_ops.suspend)
 		t->fe.ops.tuner_ops.suspend(&t->fe);
@@ -1313,7 +1296,7 @@ static int tuner_resume(struct device *dev)
 	struct i2c_client *c = to_i2c_client(dev);
 	struct tuner *t = to_tuner(i2c_get_clientdata(c));
 
-	tuner_dbg("resume\n");
+	dprintk("resume\n");
 
 	if (t->fe.ops.tuner_ops.resume)
 		t->fe.ops.tuner_ops.resume(&t->fe);
diff --git a/drivers/media/v4l2-core/v4l2-compat-ioctl32.c b/drivers/media/v4l2-core/v4l2-compat-ioctl32.c
index bacecbd68a6d..eac9565dc3d8 100644
--- a/drivers/media/v4l2-core/v4l2-compat-ioctl32.c
+++ b/drivers/media/v4l2-core/v4l2-compat-ioctl32.c
@@ -409,7 +409,6 @@ static int get_v4l2_buffer32(struct v4l2_buffer *kp, struct v4l2_buffer32 __user
 	struct v4l2_plane32 __user *uplane32;
 	struct v4l2_plane __user *uplane;
 	compat_caddr_t p;
-	int num_planes;
 	int ret;
 
 	if (!access_ok(VERIFY_READ, up, sizeof(struct v4l2_buffer32)) ||
@@ -429,12 +428,15 @@ static int get_v4l2_buffer32(struct v4l2_buffer *kp, struct v4l2_buffer32 __user
 			return -EFAULT;
 
 	if (V4L2_TYPE_IS_MULTIPLANAR(kp->type)) {
-		num_planes = kp->length;
-		if (num_planes == 0) {
+		unsigned int num_planes;
+
+		if (kp->length == 0) {
 			kp->m.planes = NULL;
 			/* num_planes == 0 is legal, e.g. when userspace doesn't
 			 * need planes array on DQBUF*/
 			return 0;
+		} else if (kp->length > VIDEO_MAX_PLANES) {
+			return -EINVAL;
 		}
 
 		if (get_user(p, &up->m.planes))
@@ -442,16 +444,16 @@ static int get_v4l2_buffer32(struct v4l2_buffer *kp, struct v4l2_buffer32 __user
 
 		uplane32 = compat_ptr(p);
 		if (!access_ok(VERIFY_READ, uplane32,
-				num_planes * sizeof(struct v4l2_plane32)))
+				kp->length * sizeof(struct v4l2_plane32)))
 			return -EFAULT;
 
 		/* We don't really care if userspace decides to kill itself
 		 * by passing a very big num_planes value */
-		uplane = compat_alloc_user_space(num_planes *
-						sizeof(struct v4l2_plane));
+		uplane = compat_alloc_user_space(kp->length *
+						 sizeof(struct v4l2_plane));
 		kp->m.planes = (__force struct v4l2_plane *)uplane;
 
-		while (--num_planes >= 0) {
+		for (num_planes = 0; num_planes < kp->length; num_planes++) {
 			ret = get_v4l2_plane32(uplane, uplane32, kp->memory);
 			if (ret)
 				return ret;
@@ -665,7 +667,7 @@ static int get_v4l2_ext_controls32(struct v4l2_ext_controls *kp, struct v4l2_ext
 {
 	struct v4l2_ext_control32 __user *ucontrols;
 	struct v4l2_ext_control __user *kcontrols;
-	int n;
+	unsigned int n;
 	compat_caddr_t p;
 
 	if (!access_ok(VERIFY_READ, up, sizeof(struct v4l2_ext_controls32)) ||
@@ -675,20 +677,22 @@ static int get_v4l2_ext_controls32(struct v4l2_ext_controls *kp, struct v4l2_ext
 		copy_from_user(kp->reserved, up->reserved,
 			       sizeof(kp->reserved)))
 			return -EFAULT;
-	n = kp->count;
-	if (n == 0) {
+	if (kp->count == 0) {
 		kp->controls = NULL;
 		return 0;
+	} else if (kp->count > V4L2_CID_MAX_CTRLS) {
+		return -EINVAL;
 	}
 	if (get_user(p, &up->controls))
 		return -EFAULT;
 	ucontrols = compat_ptr(p);
 	if (!access_ok(VERIFY_READ, ucontrols,
-			n * sizeof(struct v4l2_ext_control32)))
+			kp->count * sizeof(struct v4l2_ext_control32)))
 		return -EFAULT;
-	kcontrols = compat_alloc_user_space(n * sizeof(struct v4l2_ext_control));
+	kcontrols = compat_alloc_user_space(kp->count *
+					    sizeof(struct v4l2_ext_control));
 	kp->controls = (__force struct v4l2_ext_control *)kcontrols;
-	while (--n >= 0) {
+	for (n = 0; n < kp->count; n++) {
 		u32 id;
 
 		if (copy_in_user(kcontrols, ucontrols, sizeof(*ucontrols)))
diff --git a/drivers/media/v4l2-core/v4l2-ctrls.c b/drivers/media/v4l2-core/v4l2-ctrls.c
index adc2147fcff7..47001e25fd9e 100644
--- a/drivers/media/v4l2-core/v4l2-ctrls.c
+++ b/drivers/media/v4l2-core/v4l2-ctrls.c
@@ -885,6 +885,7 @@ const char *v4l2_ctrl_get_name(u32 id)
 	case V4L2_CID_LINK_FREQ:		return "Link Frequency";
 	case V4L2_CID_PIXEL_RATE:		return "Pixel Rate";
 	case V4L2_CID_TEST_PATTERN:		return "Test Pattern";
+	case V4L2_CID_DEINTERLACING_MODE:	return "Deinterlacing Mode";
 
 	/* DV controls */
 	/* Keep the order of the 'case's the same as in v4l2-controls.h! */
@@ -1058,6 +1059,7 @@ void v4l2_ctrl_fill(u32 id, const char **name, enum v4l2_ctrl_type *type,
 	case V4L2_CID_DV_RX_RGB_RANGE:
 	case V4L2_CID_DV_RX_IT_CONTENT_TYPE:
 	case V4L2_CID_TEST_PATTERN:
+	case V4L2_CID_DEINTERLACING_MODE:
 	case V4L2_CID_TUNE_DEEMPHASIS:
 	case V4L2_CID_MPEG_VIDEO_VPX_GOLDEN_FRAME_SEL:
 	case V4L2_CID_DETECT_MD_MODE:
diff --git a/drivers/media/v4l2-core/v4l2-dv-timings.c b/drivers/media/v4l2-core/v4l2-dv-timings.c
index 730a7c392c1d..5c8c49d240d1 100644
--- a/drivers/media/v4l2-core/v4l2-dv-timings.c
+++ b/drivers/media/v4l2-core/v4l2-dv-timings.c
@@ -22,6 +22,7 @@
 #include <linux/types.h>
 #include <linux/kernel.h>
 #include <linux/errno.h>
+#include <linux/rational.h>
 #include <linux/videodev2.h>
 #include <linux/v4l2-dv-timings.h>
 #include <media/v4l2-dv-timings.h>
@@ -224,6 +225,24 @@ bool v4l2_find_dv_timings_cap(struct v4l2_dv_timings *t,
 }
 EXPORT_SYMBOL_GPL(v4l2_find_dv_timings_cap);
 
+bool v4l2_find_dv_timings_cea861_vic(struct v4l2_dv_timings *t, u8 vic)
+{
+	unsigned int i;
+
+	for (i = 0; i < v4l2_dv_timings_presets[i].bt.width; i++) {
+		const struct v4l2_bt_timings *bt =
+			&v4l2_dv_timings_presets[i].bt;
+
+		if ((bt->flags & V4L2_DV_FL_HAS_CEA861_VIC) &&
+		    bt->cea861_vic == vic) {
+			*t = v4l2_dv_timings_presets[i];
+			return true;
+		}
+	}
+	return false;
+}
+EXPORT_SYMBOL_GPL(v4l2_find_dv_timings_cea861_vic);
+
 /**
  * v4l2_match_dv_timings - check if two timings match
  * @t1 - compare this v4l2_dv_timings struct...
@@ -306,7 +325,8 @@ void v4l2_print_dv_timings(const char *dev_prefix, const char *prefix,
 			(bt->polarities & V4L2_DV_VSYNC_POS_POL) ? "+" : "-",
 			bt->il_vsync, bt->il_vbackporch);
 	pr_info("%s: pixelclock: %llu\n", dev_prefix, bt->pixelclock);
-	pr_info("%s: flags (0x%x):%s%s%s%s%s%s%s\n", dev_prefix, bt->flags,
+	pr_info("%s: flags (0x%x):%s%s%s%s%s%s%s%s%s%s\n",
+			dev_prefix, bt->flags,
 			(bt->flags & V4L2_DV_FL_REDUCED_BLANKING) ?
 			" REDUCED_BLANKING" : "",
 			((bt->flags & V4L2_DV_FL_REDUCED_BLANKING) &&
@@ -320,16 +340,51 @@ void v4l2_print_dv_timings(const char *dev_prefix, const char *prefix,
 			(bt->flags & V4L2_DV_FL_IS_CE_VIDEO) ?
 			" CE_VIDEO" : "",
 			(bt->flags & V4L2_DV_FL_FIRST_FIELD_EXTRA_LINE) ?
-			" FIRST_FIELD_EXTRA_LINE" : "");
+			" FIRST_FIELD_EXTRA_LINE" : "",
+			(bt->flags & V4L2_DV_FL_HAS_PICTURE_ASPECT) ?
+			" HAS_PICTURE_ASPECT" : "",
+			(bt->flags & V4L2_DV_FL_HAS_CEA861_VIC) ?
+			" HAS_CEA861_VIC" : "",
+			(bt->flags & V4L2_DV_FL_HAS_HDMI_VIC) ?
+			" HAS_HDMI_VIC" : "");
 	pr_info("%s: standards (0x%x):%s%s%s%s%s\n", dev_prefix, bt->standards,
 			(bt->standards & V4L2_DV_BT_STD_CEA861) ?  " CEA" : "",
 			(bt->standards & V4L2_DV_BT_STD_DMT) ?  " DMT" : "",
 			(bt->standards & V4L2_DV_BT_STD_CVT) ?  " CVT" : "",
 			(bt->standards & V4L2_DV_BT_STD_GTF) ?  " GTF" : "",
 			(bt->standards & V4L2_DV_BT_STD_SDI) ?  " SDI" : "");
+	if (bt->flags & V4L2_DV_FL_HAS_PICTURE_ASPECT)
+		pr_info("%s: picture aspect (hor:vert): %u:%u\n", dev_prefix,
+			bt->picture_aspect.numerator,
+			bt->picture_aspect.denominator);
+	if (bt->flags & V4L2_DV_FL_HAS_CEA861_VIC)
+		pr_info("%s: CEA-861 VIC: %u\n", dev_prefix, bt->cea861_vic);
+	if (bt->flags & V4L2_DV_FL_HAS_HDMI_VIC)
+		pr_info("%s: HDMI VIC: %u\n", dev_prefix, bt->hdmi_vic);
 }
 EXPORT_SYMBOL_GPL(v4l2_print_dv_timings);
 
+struct v4l2_fract v4l2_dv_timings_aspect_ratio(const struct v4l2_dv_timings *t)
+{
+	struct v4l2_fract ratio = { 1, 1 };
+	unsigned long n, d;
+
+	if (t->type != V4L2_DV_BT_656_1120)
+		return ratio;
+	if (!(t->bt.flags & V4L2_DV_FL_HAS_PICTURE_ASPECT))
+		return ratio;
+
+	ratio.numerator = t->bt.width * t->bt.picture_aspect.denominator;
+	ratio.denominator = t->bt.height * t->bt.picture_aspect.numerator;
+
+	rational_best_approximation(ratio.numerator, ratio.denominator,
+				    ratio.numerator, ratio.denominator, &n, &d);
+	ratio.numerator = n;
+	ratio.denominator = d;
+	return ratio;
+}
+EXPORT_SYMBOL_GPL(v4l2_dv_timings_aspect_ratio);
+
 /*
  * CVT defines
  * Based on Coordinated Video Timings Standard
diff --git a/drivers/media/v4l2-core/v4l2-flash-led-class.c b/drivers/media/v4l2-core/v4l2-flash-led-class.c
index ae7544d5469a..794e563f24f8 100644
--- a/drivers/media/v4l2-core/v4l2-flash-led-class.c
+++ b/drivers/media/v4l2-core/v4l2-flash-led-class.c
@@ -638,7 +638,7 @@ struct v4l2_flash *v4l2_flash_init(
 	v4l2_flash->iled_cdev = iled_cdev;
 	v4l2_flash->ops = ops;
 	sd->dev = dev;
-	sd->of_node = of_node;
+	sd->of_node = of_node ? of_node : led_cdev->dev->of_node;
 	v4l2_subdev_init(sd, &v4l2_flash_subdev_ops);
 	sd->internal_ops = &v4l2_flash_subdev_internal_ops;
 	sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
@@ -654,10 +654,7 @@ struct v4l2_flash *v4l2_flash_init(
 	if (ret < 0)
 		goto err_init_controls;
 
-	if (sd->of_node)
-		of_node_get(sd->of_node);
-	else
-		of_node_get(led_cdev->dev->of_node);
+	of_node_get(sd->of_node);
 
 	ret = v4l2_async_register_subdev(sd);
 	if (ret < 0)
@@ -666,7 +663,7 @@ struct v4l2_flash *v4l2_flash_init(
 	return v4l2_flash;
 
 err_async_register_sd:
-	of_node_put(led_cdev->dev->of_node);
+	of_node_put(sd->of_node);
 	v4l2_ctrl_handler_free(sd->ctrl_handler);
 err_init_controls:
 	media_entity_cleanup(&sd->entity);
@@ -678,20 +675,15 @@ EXPORT_SYMBOL_GPL(v4l2_flash_init);
 void v4l2_flash_release(struct v4l2_flash *v4l2_flash)
 {
 	struct v4l2_subdev *sd;
-	struct led_classdev *led_cdev;
 
 	if (IS_ERR_OR_NULL(v4l2_flash))
 		return;
 
 	sd = &v4l2_flash->sd;
-	led_cdev = &v4l2_flash->fled_cdev->led_cdev;
 
 	v4l2_async_unregister_subdev(sd);
 
-	if (sd->of_node)
-		of_node_put(sd->of_node);
-	else
-		of_node_put(led_cdev->dev->of_node);
+	of_node_put(sd->of_node);
 
 	v4l2_ctrl_handler_free(sd->ctrl_handler);
 	media_entity_cleanup(&sd->entity);
diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c b/drivers/media/v4l2-core/v4l2-ioctl.c
index c52d94c018bb..0c3f238a2e76 100644
--- a/drivers/media/v4l2-core/v4l2-ioctl.c
+++ b/drivers/media/v4l2-core/v4l2-ioctl.c
@@ -174,8 +174,7 @@ static void v4l_print_querycap(const void *arg, bool write_only)
 {
 	const struct v4l2_capability *p = arg;
 
-	pr_cont("driver=%.*s, card=%.*s, bus=%.*s, version=0x%08x, "
-		"capabilities=0x%08x, device_caps=0x%08x\n",
+	pr_cont("driver=%.*s, card=%.*s, bus=%.*s, version=0x%08x, capabilities=0x%08x, device_caps=0x%08x\n",
 		(int)sizeof(p->driver), p->driver,
 		(int)sizeof(p->card), p->card,
 		(int)sizeof(p->bus_info), p->bus_info,
@@ -186,8 +185,7 @@ static void v4l_print_enuminput(const void *arg, bool write_only)
 {
 	const struct v4l2_input *p = arg;
 
-	pr_cont("index=%u, name=%.*s, type=%u, audioset=0x%x, tuner=%u, "
-		"std=0x%08Lx, status=0x%x, capabilities=0x%x\n",
+	pr_cont("index=%u, name=%.*s, type=%u, audioset=0x%x, tuner=%u, std=0x%08Lx, status=0x%x, capabilities=0x%x\n",
 		p->index, (int)sizeof(p->name), p->name, p->type, p->audioset,
 		p->tuner, (unsigned long long)p->std, p->status,
 		p->capabilities);
@@ -197,8 +195,7 @@ static void v4l_print_enumoutput(const void *arg, bool write_only)
 {
 	const struct v4l2_output *p = arg;
 
-	pr_cont("index=%u, name=%.*s, type=%u, audioset=0x%x, "
-		"modulator=%u, std=0x%08Lx, capabilities=0x%x\n",
+	pr_cont("index=%u, name=%.*s, type=%u, audioset=0x%x, modulator=%u, std=0x%08Lx, capabilities=0x%x\n",
 		p->index, (int)sizeof(p->name), p->name, p->type, p->audioset,
 		p->modulator, (unsigned long long)p->std, p->capabilities);
 }
@@ -256,11 +253,7 @@ static void v4l_print_format(const void *arg, bool write_only)
 	case V4L2_BUF_TYPE_VIDEO_CAPTURE:
 	case V4L2_BUF_TYPE_VIDEO_OUTPUT:
 		pix = &p->fmt.pix;
-		pr_cont(", width=%u, height=%u, "
-			"pixelformat=%c%c%c%c, field=%s, "
-			"bytesperline=%u, sizeimage=%u, colorspace=%d, "
-			"flags=0x%x, ycbcr_enc=%u, quantization=%u, "
-			"xfer_func=%u\n",
+		pr_cont(", width=%u, height=%u, pixelformat=%c%c%c%c, field=%s, bytesperline=%u, sizeimage=%u, colorspace=%d, flags=0x%x, ycbcr_enc=%u, quantization=%u, xfer_func=%u\n",
 			pix->width, pix->height,
 			(pix->pixelformat & 0xff),
 			(pix->pixelformat >>  8) & 0xff,
@@ -274,10 +267,7 @@ static void v4l_print_format(const void *arg, bool write_only)
 	case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE:
 	case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE:
 		mp = &p->fmt.pix_mp;
-		pr_cont(", width=%u, height=%u, "
-			"format=%c%c%c%c, field=%s, "
-			"colorspace=%d, num_planes=%u, flags=0x%x, "
-			"ycbcr_enc=%u, quantization=%u, xfer_func=%u\n",
+		pr_cont(", width=%u, height=%u, format=%c%c%c%c, field=%s, colorspace=%d, num_planes=%u, flags=0x%x, ycbcr_enc=%u, quantization=%u, xfer_func=%u\n",
 			mp->width, mp->height,
 			(mp->pixelformat & 0xff),
 			(mp->pixelformat >>  8) & 0xff,
@@ -306,8 +296,7 @@ static void v4l_print_format(const void *arg, bool write_only)
 	case V4L2_BUF_TYPE_VBI_CAPTURE:
 	case V4L2_BUF_TYPE_VBI_OUTPUT:
 		vbi = &p->fmt.vbi;
-		pr_cont(", sampling_rate=%u, offset=%u, samples_per_line=%u, "
-			"sample_format=%c%c%c%c, start=%u,%u, count=%u,%u\n",
+		pr_cont(", sampling_rate=%u, offset=%u, samples_per_line=%u, sample_format=%c%c%c%c, start=%u,%u, count=%u,%u\n",
 			vbi->sampling_rate, vbi->offset,
 			vbi->samples_per_line,
 			(vbi->sample_format & 0xff),
@@ -343,9 +332,7 @@ static void v4l_print_framebuffer(const void *arg, bool write_only)
 {
 	const struct v4l2_framebuffer *p = arg;
 
-	pr_cont("capability=0x%x, flags=0x%x, base=0x%p, width=%u, "
-		"height=%u, pixelformat=%c%c%c%c, "
-		"bytesperline=%u, sizeimage=%u, colorspace=%d\n",
+	pr_cont("capability=0x%x, flags=0x%x, base=0x%p, width=%u, height=%u, pixelformat=%c%c%c%c, bytesperline=%u, sizeimage=%u, colorspace=%d\n",
 			p->capability, p->flags, p->base,
 			p->fmt.width, p->fmt.height,
 			(p->fmt.pixelformat & 0xff),
@@ -368,8 +355,7 @@ static void v4l_print_modulator(const void *arg, bool write_only)
 	if (write_only)
 		pr_cont("index=%u, txsubchans=0x%x\n", p->index, p->txsubchans);
 	else
-		pr_cont("index=%u, name=%.*s, capability=0x%x, "
-			"rangelow=%u, rangehigh=%u, txsubchans=0x%x\n",
+		pr_cont("index=%u, name=%.*s, capability=0x%x, rangelow=%u, rangehigh=%u, txsubchans=0x%x\n",
 			p->index, (int)sizeof(p->name), p->name, p->capability,
 			p->rangelow, p->rangehigh, p->txsubchans);
 }
@@ -381,9 +367,7 @@ static void v4l_print_tuner(const void *arg, bool write_only)
 	if (write_only)
 		pr_cont("index=%u, audmode=%u\n", p->index, p->audmode);
 	else
-		pr_cont("index=%u, name=%.*s, type=%u, capability=0x%x, "
-			"rangelow=%u, rangehigh=%u, signal=%u, afc=%d, "
-			"rxsubchans=0x%x, audmode=%u\n",
+		pr_cont("index=%u, name=%.*s, type=%u, capability=0x%x, rangelow=%u, rangehigh=%u, signal=%u, afc=%d, rxsubchans=0x%x, audmode=%u\n",
 			p->index, (int)sizeof(p->name), p->name, p->type,
 			p->capability, p->rangelow,
 			p->rangehigh, p->signal, p->afc,
@@ -402,8 +386,8 @@ static void v4l_print_standard(const void *arg, bool write_only)
 {
 	const struct v4l2_standard *p = arg;
 
-	pr_cont("index=%u, id=0x%Lx, name=%.*s, fps=%u/%u, "
-		"framelines=%u\n", p->index,
+	pr_cont("index=%u, id=0x%Lx, name=%.*s, fps=%u/%u, framelines=%u\n",
+		p->index,
 		(unsigned long long)p->id, (int)sizeof(p->name), p->name,
 		p->frameperiod.numerator,
 		p->frameperiod.denominator,
@@ -419,8 +403,7 @@ static void v4l_print_hw_freq_seek(const void *arg, bool write_only)
 {
 	const struct v4l2_hw_freq_seek *p = arg;
 
-	pr_cont("tuner=%u, type=%u, seek_upward=%u, wrap_around=%u, spacing=%u, "
-		"rangelow=%u, rangehigh=%u\n",
+	pr_cont("tuner=%u, type=%u, seek_upward=%u, wrap_around=%u, spacing=%u, rangelow=%u, rangehigh=%u\n",
 		p->tuner, p->type, p->seek_upward, p->wrap_around, p->spacing,
 		p->rangelow, p->rangehigh);
 }
@@ -442,8 +425,7 @@ static void v4l_print_buffer(const void *arg, bool write_only)
 	const struct v4l2_plane *plane;
 	int i;
 
-	pr_cont("%02ld:%02d:%02d.%08ld index=%d, type=%s, "
-		"flags=0x%08x, field=%s, sequence=%d, memory=%s",
+	pr_cont("%02ld:%02d:%02d.%08ld index=%d, type=%s, flags=0x%08x, field=%s, sequence=%d, memory=%s",
 			p->timestamp.tv_sec / 3600,
 			(int)(p->timestamp.tv_sec / 60) % 60,
 			(int)(p->timestamp.tv_sec % 60),
@@ -458,8 +440,7 @@ static void v4l_print_buffer(const void *arg, bool write_only)
 		for (i = 0; i < p->length; ++i) {
 			plane = &p->m.planes[i];
 			printk(KERN_DEBUG
-				"plane %d: bytesused=%d, data_offset=0x%08x, "
-				"offset/userptr=0x%lx, length=%d\n",
+				"plane %d: bytesused=%d, data_offset=0x%08x, offset/userptr=0x%lx, length=%d\n",
 				i, plane->bytesused, plane->data_offset,
 				plane->m.userptr, plane->length);
 		}
@@ -468,8 +449,7 @@ static void v4l_print_buffer(const void *arg, bool write_only)
 			p->bytesused, p->m.userptr, p->length);
 	}
 
-	printk(KERN_DEBUG "timecode=%02d:%02d:%02d type=%d, "
-		"flags=0x%08x, frames=%d, userbits=0x%08x\n",
+	printk(KERN_DEBUG "timecode=%02d:%02d:%02d type=%d, flags=0x%08x, frames=%d, userbits=0x%08x\n",
 			tc->hours, tc->minutes, tc->seconds,
 			tc->type, tc->flags, tc->frames, *(__u32 *)tc->userbits);
 }
@@ -503,8 +483,7 @@ static void v4l_print_streamparm(const void *arg, bool write_only)
 	    p->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
 		const struct v4l2_captureparm *c = &p->parm.capture;
 
-		pr_cont(", capability=0x%x, capturemode=0x%x, timeperframe=%d/%d, "
-			"extendedmode=%d, readbuffers=%d\n",
+		pr_cont(", capability=0x%x, capturemode=0x%x, timeperframe=%d/%d, extendedmode=%d, readbuffers=%d\n",
 			c->capability, c->capturemode,
 			c->timeperframe.numerator, c->timeperframe.denominator,
 			c->extendedmode, c->readbuffers);
@@ -512,8 +491,7 @@ static void v4l_print_streamparm(const void *arg, bool write_only)
 		   p->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
 		const struct v4l2_outputparm *c = &p->parm.output;
 
-		pr_cont(", capability=0x%x, outputmode=0x%x, timeperframe=%d/%d, "
-			"extendedmode=%d, writebuffers=%d\n",
+		pr_cont(", capability=0x%x, outputmode=0x%x, timeperframe=%d/%d, extendedmode=%d, writebuffers=%d\n",
 			c->capability, c->outputmode,
 			c->timeperframe.numerator, c->timeperframe.denominator,
 			c->extendedmode, c->writebuffers);
@@ -526,8 +504,7 @@ static void v4l_print_queryctrl(const void *arg, bool write_only)
 {
 	const struct v4l2_queryctrl *p = arg;
 
-	pr_cont("id=0x%x, type=%d, name=%.*s, min/max=%d/%d, "
-		"step=%d, default=%d, flags=0x%08x\n",
+	pr_cont("id=0x%x, type=%d, name=%.*s, min/max=%d/%d, step=%d, default=%d, flags=0x%08x\n",
 			p->id, p->type, (int)sizeof(p->name), p->name,
 			p->minimum, p->maximum,
 			p->step, p->default_value, p->flags);
@@ -537,9 +514,7 @@ static void v4l_print_query_ext_ctrl(const void *arg, bool write_only)
 {
 	const struct v4l2_query_ext_ctrl *p = arg;
 
-	pr_cont("id=0x%x, type=%d, name=%.*s, min/max=%lld/%lld, "
-		"step=%lld, default=%lld, flags=0x%08x, elem_size=%u, elems=%u, "
-		"nr_of_dims=%u, dims=%u,%u,%u,%u\n",
+	pr_cont("id=0x%x, type=%d, name=%.*s, min/max=%lld/%lld, step=%lld, default=%lld, flags=0x%08x, elem_size=%u, elems=%u, nr_of_dims=%u, dims=%u,%u,%u,%u\n",
 			p->id, p->type, (int)sizeof(p->name), p->name,
 			p->minimum, p->maximum,
 			p->step, p->default_value, p->flags,
@@ -583,9 +558,7 @@ static void v4l_print_cropcap(const void *arg, bool write_only)
 {
 	const struct v4l2_cropcap *p = arg;
 
-	pr_cont("type=%s, bounds wxh=%dx%d, x,y=%d,%d, "
-		"defrect wxh=%dx%d, x,y=%d,%d, "
-		"pixelaspect %d/%d\n",
+	pr_cont("type=%s, bounds wxh=%dx%d, x,y=%d,%d, defrect wxh=%dx%d, x,y=%d,%d, pixelaspect %d/%d\n",
 		prt_names(p->type, v4l2_type_names),
 		p->bounds.width, p->bounds.height,
 		p->bounds.left, p->bounds.top,
@@ -618,8 +591,7 @@ static void v4l_print_jpegcompression(const void *arg, bool write_only)
 {
 	const struct v4l2_jpegcompression *p = arg;
 
-	pr_cont("quality=%d, APPn=%d, APP_len=%d, "
-		"COM_len=%d, jpeg_markers=0x%x\n",
+	pr_cont("quality=%d, APPn=%d, APP_len=%d, COM_len=%d, jpeg_markers=0x%x\n",
 		p->quality, p->APPn, p->APP_len,
 		p->COM_len, p->jpeg_markers);
 }
@@ -686,14 +658,7 @@ static void v4l_print_dv_timings(const void *arg, bool write_only)
 
 	switch (p->type) {
 	case V4L2_DV_BT_656_1120:
-		pr_cont("type=bt-656/1120, interlaced=%u, "
-			"pixelclock=%llu, "
-			"width=%u, height=%u, polarities=0x%x, "
-			"hfrontporch=%u, hsync=%u, "
-			"hbackporch=%u, vfrontporch=%u, "
-			"vsync=%u, vbackporch=%u, "
-			"il_vfrontporch=%u, il_vsync=%u, "
-			"il_vbackporch=%u, standards=0x%x, flags=0x%x\n",
+		pr_cont("type=bt-656/1120, interlaced=%u, pixelclock=%llu, width=%u, height=%u, polarities=0x%x, hfrontporch=%u, hsync=%u, hbackporch=%u, vfrontporch=%u, vsync=%u, vbackporch=%u, il_vfrontporch=%u, il_vsync=%u, il_vbackporch=%u, standards=0x%x, flags=0x%x\n",
 				p->bt.interlaced, p->bt.pixelclock,
 				p->bt.width, p->bt.height,
 				p->bt.polarities, p->bt.hfrontporch,
@@ -723,8 +688,7 @@ static void v4l_print_dv_timings_cap(const void *arg, bool write_only)
 
 	switch (p->type) {
 	case V4L2_DV_BT_656_1120:
-		pr_cont("type=bt-656/1120, width=%u-%u, height=%u-%u, "
-			"pixelclock=%llu-%llu, standards=0x%x, capabilities=0x%x\n",
+		pr_cont("type=bt-656/1120, width=%u-%u, height=%u-%u, pixelclock=%llu-%llu, standards=0x%x, capabilities=0x%x\n",
 			p->bt.min_width, p->bt.max_width,
 			p->bt.min_height, p->bt.max_height,
 			p->bt.min_pixelclock, p->bt.max_pixelclock,
@@ -805,8 +769,7 @@ static void v4l_print_event(const void *arg, bool write_only)
 	const struct v4l2_event *p = arg;
 	const struct v4l2_event_ctrl *c;
 
-	pr_cont("type=0x%x, pending=%u, sequence=%u, id=%u, "
-		"timestamp=%lu.%9.9lu\n",
+	pr_cont("type=0x%x, pending=%u, sequence=%u, id=%u, timestamp=%lu.%9.9lu\n",
 			p->type, p->pending, p->sequence, p->id,
 			p->timestamp.tv_sec, p->timestamp.tv_nsec);
 	switch (p->type) {
@@ -822,8 +785,7 @@ static void v4l_print_event(const void *arg, bool write_only)
 			pr_cont("value64=%lld, ", c->value64);
 		else
 			pr_cont("value=%d, ", c->value);
-		pr_cont("flags=0x%x, minimum=%d, maximum=%d, step=%d, "
-			"default_value=%d\n",
+		pr_cont("flags=0x%x, minimum=%d, maximum=%d, step=%d, default_value=%d\n",
 			c->flags, c->minimum, c->maximum,
 			c->step, c->default_value);
 		break;
@@ -859,8 +821,7 @@ static void v4l_print_freq_band(const void *arg, bool write_only)
 {
 	const struct v4l2_frequency_band *p = arg;
 
-	pr_cont("tuner=%u, type=%u, index=%u, capability=0x%x, "
-		"rangelow=%u, rangehigh=%u, modulation=0x%x\n",
+	pr_cont("tuner=%u, type=%u, index=%u, capability=0x%x, rangelow=%u, rangehigh=%u, modulation=0x%x\n",
 			p->tuner, p->type, p->index,
 			p->capability, p->rangelow,
 			p->rangehigh, p->modulation);
@@ -1167,6 +1128,9 @@ static void v4l_fill_fmtdesc(struct v4l2_fmtdesc *fmt)
 	case V4L2_PIX_FMT_Y16:		descr = "16-bit Greyscale"; break;
 	case V4L2_PIX_FMT_Y16_BE:	descr = "16-bit Greyscale BE"; break;
 	case V4L2_PIX_FMT_Y10BPACK:	descr = "10-bit Greyscale (Packed)"; break;
+	case V4L2_PIX_FMT_Y8I:		descr = "Interleaved 8-bit Greyscale"; break;
+	case V4L2_PIX_FMT_Y12I:		descr = "Interleaved 12-bit Greyscale"; break;
+	case V4L2_PIX_FMT_Z16:		descr = "16-bit Depth"; break;
 	case V4L2_PIX_FMT_PAL8:		descr = "8-bit Palette"; break;
 	case V4L2_PIX_FMT_UV8:		descr = "8-bit Chrominance UV 4-4"; break;
 	case V4L2_PIX_FMT_YVU410:	descr = "Planar YVU 4:1:0"; break;
@@ -1230,7 +1194,10 @@ static void v4l_fill_fmtdesc(struct v4l2_fmtdesc *fmt)
 	case V4L2_PIX_FMT_SGBRG10DPCM8:	descr = "8-bit Bayer GBGB/RGRG (DPCM)"; break;
 	case V4L2_PIX_FMT_SGRBG10DPCM8:	descr = "8-bit Bayer GRGR/BGBG (DPCM)"; break;
 	case V4L2_PIX_FMT_SRGGB10DPCM8:	descr = "8-bit Bayer RGRG/GBGB (DPCM)"; break;
-	case V4L2_PIX_FMT_SBGGR16:	descr = "16-bit Bayer BGBG/GRGR (Exp.)"; break;
+	case V4L2_PIX_FMT_SBGGR16:	descr = "16-bit Bayer BGBG/GRGR"; break;
+	case V4L2_PIX_FMT_SGBRG16:	descr = "16-bit Bayer GBGB/RGRG"; break;
+	case V4L2_PIX_FMT_SGRBG16:	descr = "16-bit Bayer GRGR/BGBG"; break;
+	case V4L2_PIX_FMT_SRGGB16:	descr = "16-bit Bayer RGRG/GBGB"; break;
 	case V4L2_PIX_FMT_SN9C20X_I420:	descr = "GSPCA SN9C20X I420"; break;
 	case V4L2_PIX_FMT_SPCA501:	descr = "GSPCA SPCA501"; break;
 	case V4L2_PIX_FMT_SPCA505:	descr = "GSPCA SPCA505"; break;
@@ -1239,6 +1206,8 @@ static void v4l_fill_fmtdesc(struct v4l2_fmtdesc *fmt)
 	case V4L2_PIX_FMT_TM6000:	descr = "A/V + VBI Mux Packet"; break;
 	case V4L2_PIX_FMT_CIT_YYVYUY:	descr = "GSPCA CIT YYVYUY"; break;
 	case V4L2_PIX_FMT_KONICA420:	descr = "GSPCA KONICA420"; break;
+	case V4L2_PIX_FMT_HSV24:	descr = "24-bit HSV 8-8-8"; break;
+	case V4L2_PIX_FMT_HSV32:	descr = "32-bit XHSV 8-8-8-8"; break;
 	case V4L2_SDR_FMT_CU8:		descr = "Complex U8"; break;
 	case V4L2_SDR_FMT_CU16LE:	descr = "Complex U16LE"; break;
 	case V4L2_SDR_FMT_CS8:		descr = "Complex S8"; break;
@@ -1269,6 +1238,7 @@ static void v4l_fill_fmtdesc(struct v4l2_fmtdesc *fmt)
 		case V4L2_PIX_FMT_VC1_ANNEX_G:	descr = "VC-1 (SMPTE 412M Annex G)"; break;
 		case V4L2_PIX_FMT_VC1_ANNEX_L:	descr = "VC-1 (SMPTE 412M Annex L)"; break;
 		case V4L2_PIX_FMT_VP8:		descr = "VP8"; break;
+		case V4L2_PIX_FMT_VP9:		descr = "VP9"; break;
 		case V4L2_PIX_FMT_CPIA1:	descr = "GSPCA CPiA YUV"; break;
 		case V4L2_PIX_FMT_WNVA:		descr = "WNVA"; break;
 		case V4L2_PIX_FMT_SN9C10X:	descr = "GSPCA SN9C10X"; break;
@@ -1287,6 +1257,7 @@ static void v4l_fill_fmtdesc(struct v4l2_fmtdesc *fmt)
 		case V4L2_PIX_FMT_JPGL:		descr = "JPEG Lite"; break;
 		case V4L2_PIX_FMT_SE401:	descr = "GSPCA SE401"; break;
 		case V4L2_PIX_FMT_S5C_UYVY_JPG:	descr = "S5C73MX interleaved UYVY/JPEG"; break;
+		case V4L2_PIX_FMT_MT21C:	descr = "Mediatek Compressed Format"; break;
 		default:
 			WARN(1, "Unknown pixelformat 0x%08x\n", fmt->pixelformat);
 			if (fmt->description[0])
diff --git a/drivers/media/v4l2-core/videobuf-core.c b/drivers/media/v4l2-core/videobuf-core.c
index def84753c4c3..1dbf6f7785bb 100644
--- a/drivers/media/v4l2-core/videobuf-core.c
+++ b/drivers/media/v4l2-core/videobuf-core.c
@@ -572,8 +572,7 @@ int videobuf_qbuf(struct videobuf_queue *q, struct v4l2_buffer *b)
 	switch (b->memory) {
 	case V4L2_MEMORY_MMAP:
 		if (0 == buf->baddr) {
-			dprintk(1, "qbuf: mmap requested "
-				   "but buffer addr is zero!\n");
+			dprintk(1, "qbuf: mmap requested but buffer addr is zero!\n");
 			goto done;
 		}
 		if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT
diff --git a/drivers/media/v4l2-core/videobuf2-core.c b/drivers/media/v4l2-core/videobuf2-core.c
index 21900202ff83..7c1d390ea438 100644
--- a/drivers/media/v4l2-core/videobuf2-core.c
+++ b/drivers/media/v4l2-core/videobuf2-core.c
@@ -358,8 +358,8 @@ static int __vb2_queue_alloc(struct vb2_queue *q, enum vb2_memory memory,
 		if (memory == VB2_MEMORY_MMAP) {
 			ret = __vb2_buf_mem_alloc(vb);
 			if (ret) {
-				dprintk(1, "failed allocating memory for "
-						"buffer %d\n", buffer);
+				dprintk(1, "failed allocating memory for buffer %d\n",
+					buffer);
 				q->bufs[vb->index] = NULL;
 				kfree(vb);
 				break;
@@ -372,8 +372,8 @@ static int __vb2_queue_alloc(struct vb2_queue *q, enum vb2_memory memory,
 			 */
 			ret = call_vb_qop(vb, buf_init, vb);
 			if (ret) {
-				dprintk(1, "buffer %d %p initialization"
-					" failed\n", buffer, vb);
+				dprintk(1, "buffer %d %p initialization failed\n",
+					buffer, vb);
 				__vb2_buf_mem_free(vb);
 				q->bufs[vb->index] = NULL;
 				kfree(vb);
@@ -997,13 +997,12 @@ static int __qbuf_userptr(struct vb2_buffer *vb, const void *pb)
 			&& vb->planes[plane].length == planes[plane].length)
 			continue;
 
-		dprintk(3, "userspace address for plane %d changed, "
-				"reacquiring memory\n", plane);
+		dprintk(3, "userspace address for plane %d changed, reacquiring memory\n",
+			plane);
 
 		/* Check if the provided plane buffer is large enough */
 		if (planes[plane].length < vb->planes[plane].min_length) {
-			dprintk(1, "provided buffer size %u is less than "
-						"setup size %u for plane %d\n",
+			dprintk(1, "provided buffer size %u is less than setup size %u for plane %d\n",
 						planes[plane].length,
 						vb->planes[plane].min_length,
 						plane);
@@ -1032,8 +1031,8 @@ static int __qbuf_userptr(struct vb2_buffer *vb, const void *pb)
 				planes[plane].m.userptr,
 				planes[plane].length, dma_dir);
 		if (IS_ERR(mem_priv)) {
-			dprintk(1, "failed acquiring userspace "
-						"memory for plane %d\n", plane);
+			dprintk(1, "failed acquiring userspace memory for plane %d\n",
+				plane);
 			ret = PTR_ERR(mem_priv);
 			goto err;
 		}
@@ -1123,8 +1122,7 @@ static int __qbuf_dmabuf(struct vb2_buffer *vb, const void *pb)
 			planes[plane].length = dbuf->size;
 
 		if (planes[plane].length < vb->planes[plane].min_length) {
-			dprintk(1, "invalid dmabuf length %u for plane %d, "
-				"minimum length %u\n",
+			dprintk(1, "invalid dmabuf length %u for plane %d, minimum length %u\n",
 				planes[plane].length, plane,
 				vb->planes[plane].min_length);
 			dma_buf_put(dbuf);
@@ -1472,8 +1470,7 @@ static int __vb2_wait_for_done_vb(struct vb2_queue *q, int nonblocking)
 		}
 
 		if (nonblocking) {
-			dprintk(1, "nonblocking and no buffers to dequeue, "
-								"will not wait\n");
+			dprintk(1, "nonblocking and no buffers to dequeue, will not wait\n");
 			return -EAGAIN;
 		}
 
diff --git a/drivers/media/v4l2-core/videobuf2-v4l2.c b/drivers/media/v4l2-core/videobuf2-v4l2.c
index 52ef8833f6b6..3529849d2218 100644
--- a/drivers/media/v4l2-core/videobuf2-v4l2.c
+++ b/drivers/media/v4l2-core/videobuf2-v4l2.c
@@ -60,14 +60,13 @@ static int __verify_planes_array(struct vb2_buffer *vb, const struct v4l2_buffer
 
 	/* Is memory for copying plane information present? */
 	if (b->m.planes == NULL) {
-		dprintk(1, "multi-planar buffer passed but "
-			   "planes array not provided\n");
+		dprintk(1, "multi-planar buffer passed but planes array not provided\n");
 		return -EINVAL;
 	}
 
 	if (b->length < vb->num_planes || b->length > VB2_MAX_PLANES) {
-		dprintk(1, "incorrect planes array length, "
-			   "expected %d, got %d\n", vb->num_planes, b->length);
+		dprintk(1, "incorrect planes array length, expected %d, got %d\n",
+			vb->num_planes, b->length);
 		return -EINVAL;
 	}
 
@@ -316,8 +315,7 @@ static int __fill_vb2_buffer(struct vb2_buffer *vb,
 		 * that just says that it is either a top or a bottom field,
 		 * but not which of the two it is.
 		 */
-		dprintk(1, "the field is incorrectly set to ALTERNATE "
-					"for an output buffer\n");
+		dprintk(1, "the field is incorrectly set to ALTERNATE for an output buffer\n");
 		return -EINVAL;
 	}
 	vb->timestamp = 0;
diff --git a/drivers/media/v4l2-core/videobuf2-vmalloc.c b/drivers/media/v4l2-core/videobuf2-vmalloc.c
index ab3227b75c84..3f778147cdef 100644
--- a/drivers/media/v4l2-core/videobuf2-vmalloc.c
+++ b/drivers/media/v4l2-core/videobuf2-vmalloc.c
@@ -151,8 +151,7 @@ static void *vb2_vmalloc_vaddr(void *buf_priv)
 	struct vb2_vmalloc_buf *buf = buf_priv;
 
 	if (!buf->vaddr) {
-		pr_err("Address of an unallocated plane requested "
-		       "or cannot map user pointer\n");
+		pr_err("Address of an unallocated plane requested or cannot map user pointer\n");
 		return NULL;
 	}