mwifiex: move under marvell vendor directory

Part of reorganising wireless drivers directory and Kconfig.

Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

1 files changed, 0 insertions, 1267 deletions

diff --git a/drivers/net/wireless/mwifiex/usb.c b/drivers/net/wireless/mwifiex/usb.c
deleted file mode 100644
index e43aff932360..000000000000
--- a/drivers/net/wireless/mwifiex/usb.c
+++ /dev/null
@@ -1,1267 +0,0 @@
-/*
- * Marvell Wireless LAN device driver: USB specific handling
- *
- * Copyright (C) 2012-2014, Marvell International Ltd.
- *
- * This software file (the "File") is distributed by Marvell International
- * Ltd. under the terms of the GNU General Public License Version 2, June 1991
- * (the "License").  You may use, redistribute and/or modify this File in
- * accordance with the terms and conditions of the License, a copy of which
- * is available by writing to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the
- * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
- *
- * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
- * ARE EXPRESSLY DISCLAIMED.  The License provides additional details about
- * this warranty disclaimer.
- */
-
-#include "main.h"
-#include "usb.h"
-
-#define USB_VERSION	"1.0"
-
-static u8 user_rmmod;
-static struct mwifiex_if_ops usb_ops;
-static struct semaphore add_remove_card_sem;
-
-static struct usb_device_id mwifiex_usb_table[] = {
-	/* 8766 */
-	{USB_DEVICE(USB8XXX_VID, USB8766_PID_1)},
-	{USB_DEVICE_AND_INTERFACE_INFO(USB8XXX_VID, USB8766_PID_2,
-				       USB_CLASS_VENDOR_SPEC,
-				       USB_SUBCLASS_VENDOR_SPEC, 0xff)},
-	/* 8797 */
-	{USB_DEVICE(USB8XXX_VID, USB8797_PID_1)},
-	{USB_DEVICE_AND_INTERFACE_INFO(USB8XXX_VID, USB8797_PID_2,
-				       USB_CLASS_VENDOR_SPEC,
-				       USB_SUBCLASS_VENDOR_SPEC, 0xff)},
-	/* 8801 */
-	{USB_DEVICE(USB8XXX_VID, USB8801_PID_1)},
-	{USB_DEVICE_AND_INTERFACE_INFO(USB8XXX_VID, USB8801_PID_2,
-				       USB_CLASS_VENDOR_SPEC,
-				       USB_SUBCLASS_VENDOR_SPEC, 0xff)},
-	/* 8997 */
-	{USB_DEVICE(USB8XXX_VID, USB8997_PID_1)},
-	{USB_DEVICE_AND_INTERFACE_INFO(USB8XXX_VID, USB8997_PID_2,
-				       USB_CLASS_VENDOR_SPEC,
-				       USB_SUBCLASS_VENDOR_SPEC, 0xff)},
-	{ }	/* Terminating entry */
-};
-
-MODULE_DEVICE_TABLE(usb, mwifiex_usb_table);
-
-static int mwifiex_usb_submit_rx_urb(struct urb_context *ctx, int size);
-
-/* This function handles received packet. Necessary action is taken based on
- * cmd/event/data.
- */
-static int mwifiex_usb_recv(struct mwifiex_adapter *adapter,
-			    struct sk_buff *skb, u8 ep)
-{
-	u32 recv_type;
-	__le32 tmp;
-	int ret;
-
-	if (adapter->hs_activated)
-		mwifiex_process_hs_config(adapter);
-
-	if (skb->len < INTF_HEADER_LEN) {
-		mwifiex_dbg(adapter, ERROR,
-			    "%s: invalid skb->len\n", __func__);
-		return -1;
-	}
-
-	switch (ep) {
-	case MWIFIEX_USB_EP_CMD_EVENT:
-		mwifiex_dbg(adapter, EVENT,
-			    "%s: EP_CMD_EVENT\n", __func__);
-		skb_copy_from_linear_data(skb, &tmp, INTF_HEADER_LEN);
-		recv_type = le32_to_cpu(tmp);
-		skb_pull(skb, INTF_HEADER_LEN);
-
-		switch (recv_type) {
-		case MWIFIEX_USB_TYPE_CMD:
-			if (skb->len > MWIFIEX_SIZE_OF_CMD_BUFFER) {
-				mwifiex_dbg(adapter, ERROR,
-					    "CMD: skb->len too large\n");
-				ret = -1;
-				goto exit_restore_skb;
-			} else if (!adapter->curr_cmd) {
-				mwifiex_dbg(adapter, WARN, "CMD: no curr_cmd\n");
-				if (adapter->ps_state == PS_STATE_SLEEP_CFM) {
-					mwifiex_process_sleep_confirm_resp(
-							adapter, skb->data,
-							skb->len);
-					ret = 0;
-					goto exit_restore_skb;
-				}
-				ret = -1;
-				goto exit_restore_skb;
-			}
-
-			adapter->curr_cmd->resp_skb = skb;
-			adapter->cmd_resp_received = true;
-			break;
-		case MWIFIEX_USB_TYPE_EVENT:
-			if (skb->len < sizeof(u32)) {
-				mwifiex_dbg(adapter, ERROR,
-					    "EVENT: skb->len too small\n");
-				ret = -1;
-				goto exit_restore_skb;
-			}
-			skb_copy_from_linear_data(skb, &tmp, sizeof(u32));
-			adapter->event_cause = le32_to_cpu(tmp);
-			mwifiex_dbg(adapter, EVENT,
-				    "event_cause %#x\n", adapter->event_cause);
-
-			if (skb->len > MAX_EVENT_SIZE) {
-				mwifiex_dbg(adapter, ERROR,
-					    "EVENT: event body too large\n");
-				ret = -1;
-				goto exit_restore_skb;
-			}
-
-			memcpy(adapter->event_body, skb->data +
-			       MWIFIEX_EVENT_HEADER_LEN, skb->len);
-
-			adapter->event_received = true;
-			adapter->event_skb = skb;
-			break;
-		default:
-			mwifiex_dbg(adapter, ERROR,
-				    "unknown recv_type %#x\n", recv_type);
-			return -1;
-		}
-		break;
-	case MWIFIEX_USB_EP_DATA:
-		mwifiex_dbg(adapter, DATA, "%s: EP_DATA\n", __func__);
-		if (skb->len > MWIFIEX_RX_DATA_BUF_SIZE) {
-			mwifiex_dbg(adapter, ERROR,
-				    "DATA: skb->len too large\n");
-			return -1;
-		}
-
-		skb_queue_tail(&adapter->rx_data_q, skb);
-		adapter->data_received = true;
-		atomic_inc(&adapter->rx_pending);
-		break;
-	default:
-		mwifiex_dbg(adapter, ERROR,
-			    "%s: unknown endport %#x\n", __func__, ep);
-		return -1;
-	}
-
-	return -EINPROGRESS;
-
-exit_restore_skb:
-	/* The buffer will be reused for further cmds/events */
-	skb_push(skb, INTF_HEADER_LEN);
-
-	return ret;
-}
-
-static void mwifiex_usb_rx_complete(struct urb *urb)
-{
-	struct urb_context *context = (struct urb_context *)urb->context;
-	struct mwifiex_adapter *adapter = context->adapter;
-	struct sk_buff *skb = context->skb;
-	struct usb_card_rec *card;
-	int recv_length = urb->actual_length;
-	int size, status;
-
-	if (!adapter || !adapter->card) {
-		pr_err("mwifiex adapter or card structure is not valid\n");
-		return;
-	}
-
-	card = (struct usb_card_rec *)adapter->card;
-	if (card->rx_cmd_ep == context->ep)
-		atomic_dec(&card->rx_cmd_urb_pending);
-	else
-		atomic_dec(&card->rx_data_urb_pending);
-
-	if (recv_length) {
-		if (urb->status || (adapter->surprise_removed)) {
-			mwifiex_dbg(adapter, ERROR,
-				    "URB status is failed: %d\n", urb->status);
-			/* Do not free skb in case of command ep */
-			if (card->rx_cmd_ep != context->ep)
-				dev_kfree_skb_any(skb);
-			goto setup_for_next;
-		}
-		if (skb->len > recv_length)
-			skb_trim(skb, recv_length);
-		else
-			skb_put(skb, recv_length - skb->len);
-
-		status = mwifiex_usb_recv(adapter, skb, context->ep);
-
-		mwifiex_dbg(adapter, INFO,
-			    "info: recv_length=%d, status=%d\n",
-			    recv_length, status);
-		if (status == -EINPROGRESS) {
-			mwifiex_queue_main_work(adapter);
-
-			/* urb for data_ep is re-submitted now;
-			 * urb for cmd_ep will be re-submitted in callback
-			 * mwifiex_usb_recv_complete
-			 */
-			if (card->rx_cmd_ep == context->ep)
-				return;
-		} else {
-			if (status == -1)
-				mwifiex_dbg(adapter, ERROR,
-					    "received data processing failed!\n");
-
-			/* Do not free skb in case of command ep */
-			if (card->rx_cmd_ep != context->ep)
-				dev_kfree_skb_any(skb);
-		}
-	} else if (urb->status) {
-		if (!adapter->is_suspended) {
-			mwifiex_dbg(adapter, FATAL,
-				    "Card is removed: %d\n", urb->status);
-			adapter->surprise_removed = true;
-		}
-		dev_kfree_skb_any(skb);
-		return;
-	} else {
-		/* Do not free skb in case of command ep */
-		if (card->rx_cmd_ep != context->ep)
-			dev_kfree_skb_any(skb);
-
-		/* fall through setup_for_next */
-	}
-
-setup_for_next:
-	if (card->rx_cmd_ep == context->ep)
-		size = MWIFIEX_RX_CMD_BUF_SIZE;
-	else
-		size = MWIFIEX_RX_DATA_BUF_SIZE;
-
-	if (card->rx_cmd_ep == context->ep) {
-		mwifiex_usb_submit_rx_urb(context, size);
-	} else {
-		if (atomic_read(&adapter->rx_pending) <= HIGH_RX_PENDING){
-			mwifiex_usb_submit_rx_urb(context, size);
-		}else{
-			context->skb = NULL;
-		}
-	}
-
-	return;
-}
-
-static void mwifiex_usb_tx_complete(struct urb *urb)
-{
-	struct urb_context *context = (struct urb_context *)(urb->context);
-	struct mwifiex_adapter *adapter = context->adapter;
-	struct usb_card_rec *card = adapter->card;
-	struct usb_tx_data_port *port;
-	int i;
-
-	mwifiex_dbg(adapter, INFO,
-		    "%s: status: %d\n", __func__, urb->status);
-
-	if (context->ep == card->tx_cmd_ep) {
-		mwifiex_dbg(adapter, CMD,
-			    "%s: CMD\n", __func__);
-		atomic_dec(&card->tx_cmd_urb_pending);
-		adapter->cmd_sent = false;
-	} else {
-		mwifiex_dbg(adapter, DATA,
-			    "%s: DATA\n", __func__);
-		for (i = 0; i < MWIFIEX_TX_DATA_PORT; i++) {
-			port = &card->port[i];
-			if (context->ep == port->tx_data_ep) {
-				atomic_dec(&port->tx_data_urb_pending);
-				port->block_status = false;
-				break;
-			}
-		}
-		adapter->data_sent = false;
-		mwifiex_write_data_complete(adapter, context->skb, 0,
-					    urb->status ? -1 : 0);
-	}
-
-	if (card->mc_resync_flag)
-		mwifiex_multi_chan_resync(adapter);
-
-	mwifiex_queue_main_work(adapter);
-
-	return;
-}
-
-static int mwifiex_usb_submit_rx_urb(struct urb_context *ctx, int size)
-{
-	struct mwifiex_adapter *adapter = ctx->adapter;
-	struct usb_card_rec *card = (struct usb_card_rec *)adapter->card;
-
-	if (card->rx_cmd_ep != ctx->ep) {
-		ctx->skb = dev_alloc_skb(size);
-		if (!ctx->skb) {
-			mwifiex_dbg(adapter, ERROR,
-				    "%s: dev_alloc_skb failed\n", __func__);
-			return -ENOMEM;
-		}
-	}
-
-	usb_fill_bulk_urb(ctx->urb, card->udev,
-			  usb_rcvbulkpipe(card->udev, ctx->ep), ctx->skb->data,
-			  size, mwifiex_usb_rx_complete, (void *)ctx);
-
-	if (card->rx_cmd_ep == ctx->ep)
-		atomic_inc(&card->rx_cmd_urb_pending);
-	else
-		atomic_inc(&card->rx_data_urb_pending);
-
-	if (usb_submit_urb(ctx->urb, GFP_ATOMIC)) {
-		mwifiex_dbg(adapter, ERROR, "usb_submit_urb failed\n");
-		dev_kfree_skb_any(ctx->skb);
-		ctx->skb = NULL;
-
-		if (card->rx_cmd_ep == ctx->ep)
-			atomic_dec(&card->rx_cmd_urb_pending);
-		else
-			atomic_dec(&card->rx_data_urb_pending);
-
-		return -1;
-	}
-
-	return 0;
-}
-
-static void mwifiex_usb_free(struct usb_card_rec *card)
-{
-	struct usb_tx_data_port *port;
-	int i, j;
-
-	if (atomic_read(&card->rx_cmd_urb_pending) && card->rx_cmd.urb)
-		usb_kill_urb(card->rx_cmd.urb);
-
-	usb_free_urb(card->rx_cmd.urb);
-	card->rx_cmd.urb = NULL;
-
-	if (atomic_read(&card->rx_data_urb_pending))
-		for (i = 0; i < MWIFIEX_RX_DATA_URB; i++)
-			if (card->rx_data_list[i].urb)
-				usb_kill_urb(card->rx_data_list[i].urb);
-
-	for (i = 0; i < MWIFIEX_RX_DATA_URB; i++) {
-		usb_free_urb(card->rx_data_list[i].urb);
-		card->rx_data_list[i].urb = NULL;
-	}
-
-	for (i = 0; i < MWIFIEX_TX_DATA_PORT; i++) {
-		port = &card->port[i];
-		for (j = 0; j < MWIFIEX_TX_DATA_URB; j++) {
-			usb_free_urb(port->tx_data_list[j].urb);
-			port->tx_data_list[j].urb = NULL;
-		}
-	}
-
-	usb_free_urb(card->tx_cmd.urb);
-	card->tx_cmd.urb = NULL;
-
-	return;
-}
-
-/* This function probes an mwifiex device and registers it. It allocates
- * the card structure, initiates the device registration and initialization
- * procedure by adding a logical interface.
- */
-static int mwifiex_usb_probe(struct usb_interface *intf,
-			     const struct usb_device_id *id)
-{
-	struct usb_device *udev = interface_to_usbdev(intf);
-	struct usb_host_interface *iface_desc = intf->cur_altsetting;
-	struct usb_endpoint_descriptor *epd;
-	int ret, i;
-	struct usb_card_rec *card;
-	u16 id_vendor, id_product, bcd_device, bcd_usb;
-
-	card = kzalloc(sizeof(struct usb_card_rec), GFP_KERNEL);
-	if (!card)
-		return -ENOMEM;
-
-	id_vendor = le16_to_cpu(udev->descriptor.idVendor);
-	id_product = le16_to_cpu(udev->descriptor.idProduct);
-	bcd_device = le16_to_cpu(udev->descriptor.bcdDevice);
-	bcd_usb = le16_to_cpu(udev->descriptor.bcdUSB);
-	pr_debug("info: VID/PID = %X/%X, Boot2 version = %X\n",
-		 id_vendor, id_product, bcd_device);
-
-	/* PID_1 is used for firmware downloading only */
-	switch (id_product) {
-	case USB8766_PID_1:
-	case USB8797_PID_1:
-	case USB8801_PID_1:
-	case USB8997_PID_1:
-		card->usb_boot_state = USB8XXX_FW_DNLD;
-		break;
-	case USB8766_PID_2:
-	case USB8797_PID_2:
-	case USB8801_PID_2:
-	case USB8997_PID_2:
-		card->usb_boot_state = USB8XXX_FW_READY;
-		break;
-	default:
-		pr_warn("unknown id_product %#x\n", id_product);
-		card->usb_boot_state = USB8XXX_FW_DNLD;
-		break;
-	}
-
-	card->udev = udev;
-	card->intf = intf;
-
-	pr_debug("info: bcdUSB=%#x Device Class=%#x SubClass=%#x Protocol=%#x\n",
-		 udev->descriptor.bcdUSB, udev->descriptor.bDeviceClass,
-		 udev->descriptor.bDeviceSubClass,
-		 udev->descriptor.bDeviceProtocol);
-
-	for (i = 0; i < iface_desc->desc.bNumEndpoints; ++i) {
-		epd = &iface_desc->endpoint[i].desc;
-		if (usb_endpoint_dir_in(epd) &&
-		    usb_endpoint_num(epd) == MWIFIEX_USB_EP_CMD_EVENT &&
-		    usb_endpoint_xfer_bulk(epd)) {
-			pr_debug("info: bulk IN: max pkt size: %d, addr: %d\n",
-				 le16_to_cpu(epd->wMaxPacketSize),
-				 epd->bEndpointAddress);
-			card->rx_cmd_ep = usb_endpoint_num(epd);
-			atomic_set(&card->rx_cmd_urb_pending, 0);
-		}
-		if (usb_endpoint_dir_in(epd) &&
-		    usb_endpoint_num(epd) == MWIFIEX_USB_EP_DATA &&
-		    usb_endpoint_xfer_bulk(epd)) {
-			pr_debug("info: bulk IN: max pkt size: %d, addr: %d\n",
-				 le16_to_cpu(epd->wMaxPacketSize),
-				 epd->bEndpointAddress);
-			card->rx_data_ep = usb_endpoint_num(epd);
-			atomic_set(&card->rx_data_urb_pending, 0);
-		}
-		if (usb_endpoint_dir_out(epd) &&
-		    usb_endpoint_num(epd) == MWIFIEX_USB_EP_DATA &&
-		    usb_endpoint_xfer_bulk(epd)) {
-			pr_debug("info: bulk OUT: max pkt size: %d, addr: %d\n",
-				 le16_to_cpu(epd->wMaxPacketSize),
-				 epd->bEndpointAddress);
-			card->port[0].tx_data_ep = usb_endpoint_num(epd);
-			atomic_set(&card->port[0].tx_data_urb_pending, 0);
-		}
-		if (usb_endpoint_dir_out(epd) &&
-		    usb_endpoint_num(epd) == MWIFIEX_USB_EP_DATA_CH2 &&
-		    usb_endpoint_xfer_bulk(epd)) {
-			pr_debug("info: bulk OUT chan2:\t"
-				 "max pkt size: %d, addr: %d\n",
-				 le16_to_cpu(epd->wMaxPacketSize),
-				 epd->bEndpointAddress);
-			card->port[1].tx_data_ep = usb_endpoint_num(epd);
-			atomic_set(&card->port[1].tx_data_urb_pending, 0);
-		}
-		if (usb_endpoint_dir_out(epd) &&
-		    usb_endpoint_num(epd) == MWIFIEX_USB_EP_CMD_EVENT &&
-		    usb_endpoint_xfer_bulk(epd)) {
-			pr_debug("info: bulk OUT: max pkt size: %d, addr: %d\n",
-				 le16_to_cpu(epd->wMaxPacketSize),
-				 epd->bEndpointAddress);
-			card->tx_cmd_ep = usb_endpoint_num(epd);
-			atomic_set(&card->tx_cmd_urb_pending, 0);
-			card->bulk_out_maxpktsize =
-					le16_to_cpu(epd->wMaxPacketSize);
-		}
-	}
-
-	usb_set_intfdata(intf, card);
-
-	ret = mwifiex_add_card(card, &add_remove_card_sem, &usb_ops,
-			       MWIFIEX_USB);
-	if (ret) {
-		pr_err("%s: mwifiex_add_card failed: %d\n", __func__, ret);
-		usb_reset_device(udev);
-		kfree(card);
-		return ret;
-	}
-
-	usb_get_dev(udev);
-
-	return 0;
-}
-
-/* Kernel needs to suspend all functions separately. Therefore all
- * registered functions must have drivers with suspend and resume
- * methods. Failing that the kernel simply removes the whole card.
- *
- * If already not suspended, this function allocates and sends a
- * 'host sleep activate' request to the firmware and turns off the traffic.
- */
-static int mwifiex_usb_suspend(struct usb_interface *intf, pm_message_t message)
-{
-	struct usb_card_rec *card = usb_get_intfdata(intf);
-	struct mwifiex_adapter *adapter;
-	struct usb_tx_data_port *port;
-	int i, j;
-
-	if (!card || !card->adapter) {
-		pr_err("%s: card or card->adapter is NULL\n", __func__);
-		return 0;
-	}
-	adapter = card->adapter;
-
-	if (unlikely(adapter->is_suspended))
-		mwifiex_dbg(adapter, WARN,
-			    "Device already suspended\n");
-
-	mwifiex_enable_hs(adapter);
-
-	/* 'is_suspended' flag indicates device is suspended.
-	 * It must be set here before the usb_kill_urb() calls. Reason
-	 * is in the complete handlers, urb->status(= -ENOENT) and
-	 * this flag is used in combination to distinguish between a
-	 * 'suspended' state and a 'disconnect' one.
-	 */
-	adapter->is_suspended = true;
-	adapter->hs_enabling = false;
-
-	if (atomic_read(&card->rx_cmd_urb_pending) && card->rx_cmd.urb)
-		usb_kill_urb(card->rx_cmd.urb);
-
-	if (atomic_read(&card->rx_data_urb_pending))
-		for (i = 0; i < MWIFIEX_RX_DATA_URB; i++)
-			if (card->rx_data_list[i].urb)
-				usb_kill_urb(card->rx_data_list[i].urb);
-
-	for (i = 0; i < MWIFIEX_TX_DATA_PORT; i++) {
-		port = &card->port[i];
-		for (j = 0; j < MWIFIEX_TX_DATA_URB; j++) {
-			if (port->tx_data_list[j].urb)
-				usb_kill_urb(port->tx_data_list[j].urb);
-		}
-	}
-
-	if (card->tx_cmd.urb)
-		usb_kill_urb(card->tx_cmd.urb);
-
-	return 0;
-}
-
-/* Kernel needs to suspend all functions separately. Therefore all
- * registered functions must have drivers with suspend and resume
- * methods. Failing that the kernel simply removes the whole card.
- *
- * If already not resumed, this function turns on the traffic and
- * sends a 'host sleep cancel' request to the firmware.
- */
-static int mwifiex_usb_resume(struct usb_interface *intf)
-{
-	struct usb_card_rec *card = usb_get_intfdata(intf);
-	struct mwifiex_adapter *adapter;
-	int i;
-
-	if (!card || !card->adapter) {
-		pr_err("%s: card or card->adapter is NULL\n", __func__);
-		return 0;
-	}
-	adapter = card->adapter;
-
-	if (unlikely(!adapter->is_suspended)) {
-		mwifiex_dbg(adapter, WARN,
-			    "Device already resumed\n");
-		return 0;
-	}
-
-	/* Indicate device resumed. The netdev queue will be resumed only
-	 * after the urbs have been re-submitted
-	 */
-	adapter->is_suspended = false;
-
-	if (!atomic_read(&card->rx_data_urb_pending))
-		for (i = 0; i < MWIFIEX_RX_DATA_URB; i++)
-			mwifiex_usb_submit_rx_urb(&card->rx_data_list[i],
-						  MWIFIEX_RX_DATA_BUF_SIZE);
-
-	if (!atomic_read(&card->rx_cmd_urb_pending)) {
-		card->rx_cmd.skb = dev_alloc_skb(MWIFIEX_RX_CMD_BUF_SIZE);
-		if (card->rx_cmd.skb)
-			mwifiex_usb_submit_rx_urb(&card->rx_cmd,
-						  MWIFIEX_RX_CMD_BUF_SIZE);
-	}
-
-	/* Disable Host Sleep */
-	if (adapter->hs_activated)
-		mwifiex_cancel_hs(mwifiex_get_priv(adapter,
-						   MWIFIEX_BSS_ROLE_ANY),
-				  MWIFIEX_ASYNC_CMD);
-
-	return 0;
-}
-
-static void mwifiex_usb_disconnect(struct usb_interface *intf)
-{
-	struct usb_card_rec *card = usb_get_intfdata(intf);
-	struct mwifiex_adapter *adapter;
-
-	if (!card || !card->adapter) {
-		pr_err("%s: card or card->adapter is NULL\n", __func__);
-		return;
-	}
-
-	adapter = card->adapter;
-	if (!adapter->priv_num)
-		return;
-
-	if (user_rmmod) {
-#ifdef CONFIG_PM
-		if (adapter->is_suspended)
-			mwifiex_usb_resume(intf);
-#endif
-
-		mwifiex_deauthenticate_all(adapter);
-
-		mwifiex_init_shutdown_fw(mwifiex_get_priv(adapter,
-							  MWIFIEX_BSS_ROLE_ANY),
-					 MWIFIEX_FUNC_SHUTDOWN);
-	}
-
-	mwifiex_usb_free(card);
-
-	mwifiex_dbg(adapter, FATAL,
-		    "%s: removing card\n", __func__);
-	mwifiex_remove_card(adapter, &add_remove_card_sem);
-
-	usb_set_intfdata(intf, NULL);
-	usb_put_dev(interface_to_usbdev(intf));
-	kfree(card);
-
-	return;
-}
-
-static struct usb_driver mwifiex_usb_driver = {
-	.name = "mwifiex_usb",
-	.probe = mwifiex_usb_probe,
-	.disconnect = mwifiex_usb_disconnect,
-	.id_table = mwifiex_usb_table,
-	.suspend = mwifiex_usb_suspend,
-	.resume = mwifiex_usb_resume,
-	.soft_unbind = 1,
-};
-
-static int mwifiex_usb_tx_init(struct mwifiex_adapter *adapter)
-{
-	struct usb_card_rec *card = (struct usb_card_rec *)adapter->card;
-	struct usb_tx_data_port *port;
-	int i, j;
-
-	card->tx_cmd.adapter = adapter;
-	card->tx_cmd.ep = card->tx_cmd_ep;
-
-	card->tx_cmd.urb = usb_alloc_urb(0, GFP_KERNEL);
-	if (!card->tx_cmd.urb) {
-		mwifiex_dbg(adapter, ERROR,
-			    "tx_cmd.urb allocation failed\n");
-		return -ENOMEM;
-	}
-
-	for (i = 0; i < MWIFIEX_TX_DATA_PORT; i++) {
-		port = &card->port[i];
-		if (!port->tx_data_ep)
-			continue;
-		port->tx_data_ix = 0;
-		if (port->tx_data_ep == MWIFIEX_USB_EP_DATA)
-			port->block_status = false;
-		else
-			port->block_status = true;
-		for (j = 0; j < MWIFIEX_TX_DATA_URB; j++) {
-			port->tx_data_list[j].adapter = adapter;
-			port->tx_data_list[j].ep = port->tx_data_ep;
-			port->tx_data_list[j].urb =
-					usb_alloc_urb(0, GFP_KERNEL);
-			if (!port->tx_data_list[j].urb) {
-				mwifiex_dbg(adapter, ERROR,
-					    "urb allocation failed\n");
-				return -ENOMEM;
-			}
-		}
-	}
-
-	return 0;
-}
-
-static int mwifiex_usb_rx_init(struct mwifiex_adapter *adapter)
-{
-	struct usb_card_rec *card = (struct usb_card_rec *)adapter->card;
-	int i;
-
-	card->rx_cmd.adapter = adapter;
-	card->rx_cmd.ep = card->rx_cmd_ep;
-
-	card->rx_cmd.urb = usb_alloc_urb(0, GFP_KERNEL);
-	if (!card->rx_cmd.urb) {
-		mwifiex_dbg(adapter, ERROR, "rx_cmd.urb allocation failed\n");
-		return -ENOMEM;
-	}
-
-	card->rx_cmd.skb = dev_alloc_skb(MWIFIEX_RX_CMD_BUF_SIZE);
-	if (!card->rx_cmd.skb)
-		return -ENOMEM;
-
-	if (mwifiex_usb_submit_rx_urb(&card->rx_cmd, MWIFIEX_RX_CMD_BUF_SIZE))
-		return -1;
-
-	for (i = 0; i < MWIFIEX_RX_DATA_URB; i++) {
-		card->rx_data_list[i].adapter = adapter;
-		card->rx_data_list[i].ep = card->rx_data_ep;
-
-		card->rx_data_list[i].urb = usb_alloc_urb(0, GFP_KERNEL);
-		if (!card->rx_data_list[i].urb) {
-			mwifiex_dbg(adapter, ERROR,
-				    "rx_data_list[] urb allocation failed\n");
-			return -1;
-		}
-		if (mwifiex_usb_submit_rx_urb(&card->rx_data_list[i],
-					      MWIFIEX_RX_DATA_BUF_SIZE))
-			return -1;
-	}
-
-	return 0;
-}
-
-static int mwifiex_write_data_sync(struct mwifiex_adapter *adapter, u8 *pbuf,
-				   u32 *len, u8 ep, u32 timeout)
-{
-	struct usb_card_rec *card = adapter->card;
-	int actual_length, ret;
-
-	if (!(*len % card->bulk_out_maxpktsize))
-		(*len)++;
-
-	/* Send the data block */
-	ret = usb_bulk_msg(card->udev, usb_sndbulkpipe(card->udev, ep), pbuf,
-			   *len, &actual_length, timeout);
-	if (ret) {
-		mwifiex_dbg(adapter, ERROR,
-			    "usb_bulk_msg for tx failed: %d\n", ret);
-		return ret;
-	}
-
-	*len = actual_length;
-
-	return ret;
-}
-
-static int mwifiex_read_data_sync(struct mwifiex_adapter *adapter, u8 *pbuf,
-				  u32 *len, u8 ep, u32 timeout)
-{
-	struct usb_card_rec *card = adapter->card;
-	int actual_length, ret;
-
-	/* Receive the data response */
-	ret = usb_bulk_msg(card->udev, usb_rcvbulkpipe(card->udev, ep), pbuf,
-			   *len, &actual_length, timeout);
-	if (ret) {
-		mwifiex_dbg(adapter, ERROR,
-			    "usb_bulk_msg for rx failed: %d\n", ret);
-		return ret;
-	}
-
-	*len = actual_length;
-
-	return ret;
-}
-
-static void mwifiex_usb_port_resync(struct mwifiex_adapter *adapter)
-{
-	struct usb_card_rec *card = adapter->card;
-	u8 active_port = MWIFIEX_USB_EP_DATA;
-	struct mwifiex_private *priv = NULL;
-	int i;
-
-	if (adapter->usb_mc_status) {
-		for (i = 0; i < adapter->priv_num; i++) {
-			priv = adapter->priv[i];
-			if (!priv)
-				continue;
-			if ((priv->bss_role == MWIFIEX_BSS_ROLE_UAP &&
-			     !priv->bss_started) ||
-			    (priv->bss_role == MWIFIEX_BSS_ROLE_STA &&
-			     !priv->media_connected))
-				priv->usb_port = MWIFIEX_USB_EP_DATA;
-		}
-		for (i = 0; i < MWIFIEX_TX_DATA_PORT; i++)
-			card->port[i].block_status = false;
-	} else {
-		for (i = 0; i < adapter->priv_num; i++) {
-			priv = adapter->priv[i];
-			if (!priv)
-				continue;
-			if ((priv->bss_role == MWIFIEX_BSS_ROLE_UAP &&
-			     priv->bss_started) ||
-			    (priv->bss_role == MWIFIEX_BSS_ROLE_STA &&
-			     priv->media_connected)) {
-				active_port = priv->usb_port;
-				break;
-			}
-		}
-		for (i = 0; i < adapter->priv_num; i++) {
-			priv = adapter->priv[i];
-			if (priv)
-				priv->usb_port = active_port;
-		}
-		for (i = 0; i < MWIFIEX_TX_DATA_PORT; i++) {
-			if (active_port == card->port[i].tx_data_ep)
-				card->port[i].block_status = false;
-			else
-				card->port[i].block_status = true;
-		}
-	}
-}
-
-static bool mwifiex_usb_is_port_ready(struct mwifiex_private *priv)
-{
-	struct usb_card_rec *card = priv->adapter->card;
-	int idx;
-
-	for (idx = 0; idx < MWIFIEX_TX_DATA_PORT; idx++) {
-		if (priv->usb_port == card->port[idx].tx_data_ep)
-			return !card->port[idx].block_status;
-	}
-
-	return false;
-}
-
-static inline u8 mwifiex_usb_data_sent(struct mwifiex_adapter *adapter)
-{
-	struct usb_card_rec *card = adapter->card;
-	int i;
-
-	for (i = 0; i < MWIFIEX_TX_DATA_PORT; i++)
-		if (!card->port[i].block_status)
-			return false;
-
-	return true;
-}
-
-/* This function write a command/data packet to card. */
-static int mwifiex_usb_host_to_card(struct mwifiex_adapter *adapter, u8 ep,
-				    struct sk_buff *skb,
-				    struct mwifiex_tx_param *tx_param)
-{
-	struct usb_card_rec *card = adapter->card;
-	struct urb_context *context = NULL;
-	struct usb_tx_data_port *port = NULL;
-	u8 *data = (u8 *)skb->data;
-	struct urb *tx_urb;
-	int idx, ret;
-
-	if (adapter->is_suspended) {
-		mwifiex_dbg(adapter, ERROR,
-			    "%s: not allowed while suspended\n", __func__);
-		return -1;
-	}
-
-	if (adapter->surprise_removed) {
-		mwifiex_dbg(adapter, ERROR, "%s: device removed\n", __func__);
-		return -1;
-	}
-
-	mwifiex_dbg(adapter, INFO, "%s: ep=%d\n", __func__, ep);
-
-	if (ep == card->tx_cmd_ep) {
-		context = &card->tx_cmd;
-	} else {
-		for (idx = 0; idx < MWIFIEX_TX_DATA_PORT; idx++) {
-			if (ep == card->port[idx].tx_data_ep) {
-				port = &card->port[idx];
-				if (atomic_read(&port->tx_data_urb_pending)
-				    >= MWIFIEX_TX_DATA_URB) {
-					port->block_status = true;
-					ret = -EBUSY;
-					goto done;
-				}
-				if (port->tx_data_ix >= MWIFIEX_TX_DATA_URB)
-					port->tx_data_ix = 0;
-				context =
-					&port->tx_data_list[port->tx_data_ix++];
-				break;
-			}
-		}
-		if (!port) {
-			mwifiex_dbg(adapter, ERROR, "Wrong usb tx data port\n");
-			return -1;
-		}
-	}
-
-	context->adapter = adapter;
-	context->ep = ep;
-	context->skb = skb;
-	tx_urb = context->urb;
-
-	usb_fill_bulk_urb(tx_urb, card->udev, usb_sndbulkpipe(card->udev, ep),
-			  data, skb->len, mwifiex_usb_tx_complete,
-			  (void *)context);
-
-	tx_urb->transfer_flags |= URB_ZERO_PACKET;
-
-	if (ep == card->tx_cmd_ep)
-		atomic_inc(&card->tx_cmd_urb_pending);
-	else
-		atomic_inc(&port->tx_data_urb_pending);
-
-	if (usb_submit_urb(tx_urb, GFP_ATOMIC)) {
-		mwifiex_dbg(adapter, ERROR,
-			    "%s: usb_submit_urb failed\n", __func__);
-		if (ep == card->tx_cmd_ep) {
-			atomic_dec(&card->tx_cmd_urb_pending);
-		} else {
-			atomic_dec(&port->tx_data_urb_pending);
-			port->block_status = false;
-			if (port->tx_data_ix)
-				port->tx_data_ix--;
-			else
-				port->tx_data_ix = MWIFIEX_TX_DATA_URB;
-		}
-
-		return -1;
-	} else {
-		if (ep != card->tx_cmd_ep &&
-		    atomic_read(&port->tx_data_urb_pending) ==
-							MWIFIEX_TX_DATA_URB) {
-			port->block_status = true;
-			ret = -ENOSR;
-			goto done;
-		}
-	}
-
-	return -EINPROGRESS;
-
-done:
-	if (ep != card->tx_cmd_ep)
-		adapter->data_sent = mwifiex_usb_data_sent(adapter);
-
-	return ret;
-}
-
-/* This function register usb device and initialize parameter. */
-static int mwifiex_register_dev(struct mwifiex_adapter *adapter)
-{
-	struct usb_card_rec *card = (struct usb_card_rec *)adapter->card;
-
-	card->adapter = adapter;
-	adapter->dev = &card->udev->dev;
-
-	switch (le16_to_cpu(card->udev->descriptor.idProduct)) {
-	case USB8997_PID_1:
-	case USB8997_PID_2:
-		adapter->tx_buf_size = MWIFIEX_TX_DATA_BUF_SIZE_4K;
-		strcpy(adapter->fw_name, USB8997_DEFAULT_FW_NAME);
-		adapter->ext_scan = true;
-		break;
-	case USB8766_PID_1:
-	case USB8766_PID_2:
-		adapter->tx_buf_size = MWIFIEX_TX_DATA_BUF_SIZE_2K;
-		strcpy(adapter->fw_name, USB8766_DEFAULT_FW_NAME);
-		adapter->ext_scan = true;
-		break;
-	case USB8801_PID_1:
-	case USB8801_PID_2:
-		adapter->tx_buf_size = MWIFIEX_TX_DATA_BUF_SIZE_2K;
-		strcpy(adapter->fw_name, USB8801_DEFAULT_FW_NAME);
-		adapter->ext_scan = false;
-		break;
-	case USB8797_PID_1:
-	case USB8797_PID_2:
-	default:
-		adapter->tx_buf_size = MWIFIEX_TX_DATA_BUF_SIZE_2K;
-		strcpy(adapter->fw_name, USB8797_DEFAULT_FW_NAME);
-		break;
-	}
-
-	adapter->usb_mc_status = false;
-	adapter->usb_mc_setup = false;
-
-	return 0;
-}
-
-static void mwifiex_unregister_dev(struct mwifiex_adapter *adapter)
-{
-	struct usb_card_rec *card = (struct usb_card_rec *)adapter->card;
-
-	card->adapter = NULL;
-}
-
-static int mwifiex_prog_fw_w_helper(struct mwifiex_adapter *adapter,
-				    struct mwifiex_fw_image *fw)
-{
-	int ret = 0;
-	u8 *firmware = fw->fw_buf, *recv_buff;
-	u32 retries = USB8XXX_FW_MAX_RETRY, dlen;
-	u32 fw_seqnum = 0, tlen = 0, dnld_cmd = 0;
-	struct fw_data *fwdata;
-	struct fw_sync_header sync_fw;
-	u8 check_winner = 1;
-
-	if (!firmware) {
-		mwifiex_dbg(adapter, ERROR,
-			    "No firmware image found! Terminating download\n");
-		ret = -1;
-		goto fw_exit;
-	}
-
-	/* Allocate memory for transmit */
-	fwdata = kzalloc(FW_DNLD_TX_BUF_SIZE, GFP_KERNEL);
-	if (!fwdata) {
-		ret = -ENOMEM;
-		goto fw_exit;
-	}
-
-	/* Allocate memory for receive */
-	recv_buff = kzalloc(FW_DNLD_RX_BUF_SIZE, GFP_KERNEL);
-	if (!recv_buff)
-		goto cleanup;
-
-	do {
-		/* Send pseudo data to check winner status first */
-		if (check_winner) {
-			memset(&fwdata->fw_hdr, 0, sizeof(struct fw_header));
-			dlen = 0;
-		} else {
-			/* copy the header of the fw_data to get the length */
-			memcpy(&fwdata->fw_hdr, &firmware[tlen],
-			       sizeof(struct fw_header));
-
-			dlen = le32_to_cpu(fwdata->fw_hdr.data_len);
-			dnld_cmd = le32_to_cpu(fwdata->fw_hdr.dnld_cmd);
-			tlen += sizeof(struct fw_header);
-
-			memcpy(fwdata->data, &firmware[tlen], dlen);
-
-			fwdata->seq_num = cpu_to_le32(fw_seqnum);
-			tlen += dlen;
-		}
-
-		/* If the send/receive fails or CRC occurs then retry */
-		while (retries--) {
-			u8 *buf = (u8 *)fwdata;
-			u32 len = FW_DATA_XMIT_SIZE;
-
-			/* send the firmware block */
-			ret = mwifiex_write_data_sync(adapter, buf, &len,
-						MWIFIEX_USB_EP_CMD_EVENT,
-						MWIFIEX_USB_TIMEOUT);
-			if (ret) {
-				mwifiex_dbg(adapter, ERROR,
-					    "write_data_sync: failed: %d\n",
-					    ret);
-				continue;
-			}
-
-			buf = recv_buff;
-			len = FW_DNLD_RX_BUF_SIZE;
-
-			/* Receive the firmware block response */
-			ret = mwifiex_read_data_sync(adapter, buf, &len,
-						MWIFIEX_USB_EP_CMD_EVENT,
-						MWIFIEX_USB_TIMEOUT);
-			if (ret) {
-				mwifiex_dbg(adapter, ERROR,
-					    "read_data_sync: failed: %d\n",
-					    ret);
-				continue;
-			}
-
-			memcpy(&sync_fw, recv_buff,
-			       sizeof(struct fw_sync_header));
-
-			/* check 1st firmware block resp for highest bit set */
-			if (check_winner) {
-				if (le32_to_cpu(sync_fw.cmd) & 0x80000000) {
-					mwifiex_dbg(adapter, WARN,
-						    "USB is not the winner %#x\n",
-						    sync_fw.cmd);
-
-					/* returning success */
-					ret = 0;
-					goto cleanup;
-				}
-
-				mwifiex_dbg(adapter, MSG,
-					    "start to download FW...\n");
-
-				check_winner = 0;
-				break;
-			}
-
-			/* check the firmware block response for CRC errors */
-			if (sync_fw.cmd) {
-				mwifiex_dbg(adapter, ERROR,
-					    "FW received block with CRC %#x\n",
-					    sync_fw.cmd);
-				ret = -1;
-				continue;
-			}
-
-			retries = USB8XXX_FW_MAX_RETRY;
-			break;
-		}
-		fw_seqnum++;
-	} while ((dnld_cmd != FW_HAS_LAST_BLOCK) && retries);
-
-cleanup:
-	mwifiex_dbg(adapter, MSG,
-		    "info: FW download over, size %d bytes\n", tlen);
-
-	kfree(recv_buff);
-	kfree(fwdata);
-
-	if (retries)
-		ret = 0;
-fw_exit:
-	return ret;
-}
-
-static int mwifiex_usb_dnld_fw(struct mwifiex_adapter *adapter,
-			struct mwifiex_fw_image *fw)
-{
-	int ret;
-	struct usb_card_rec *card = (struct usb_card_rec *)adapter->card;
-
-	if (card->usb_boot_state == USB8XXX_FW_DNLD) {
-		ret = mwifiex_prog_fw_w_helper(adapter, fw);
-		if (ret)
-			return -1;
-
-		/* Boot state changes after successful firmware download */
-		if (card->usb_boot_state == USB8XXX_FW_DNLD)
-			return -1;
-	}
-
-	ret = mwifiex_usb_rx_init(adapter);
-	if (!ret)
-		ret = mwifiex_usb_tx_init(adapter);
-
-	return ret;
-}
-
-static void mwifiex_submit_rx_urb(struct mwifiex_adapter *adapter, u8 ep)
-{
-	struct usb_card_rec *card = (struct usb_card_rec *)adapter->card;
-
-	skb_push(card->rx_cmd.skb, INTF_HEADER_LEN);
-	if ((ep == card->rx_cmd_ep) &&
-	    (!atomic_read(&card->rx_cmd_urb_pending)))
-		mwifiex_usb_submit_rx_urb(&card->rx_cmd,
-					  MWIFIEX_RX_CMD_BUF_SIZE);
-
-	return;
-}
-
-static int mwifiex_usb_cmd_event_complete(struct mwifiex_adapter *adapter,
-				       struct sk_buff *skb)
-{
-	mwifiex_submit_rx_urb(adapter, MWIFIEX_USB_EP_CMD_EVENT);
-
-	return 0;
-}
-
-/* This function wakes up the card. */
-static int mwifiex_pm_wakeup_card(struct mwifiex_adapter *adapter)
-{
-	/* Simulation of HS_AWAKE event */
-	adapter->pm_wakeup_fw_try = false;
-	del_timer(&adapter->wakeup_timer);
-	adapter->pm_wakeup_card_req = false;
-	adapter->ps_state = PS_STATE_AWAKE;
-
-	return 0;
-}
-
-static void mwifiex_usb_submit_rem_rx_urbs(struct mwifiex_adapter *adapter)
-{
-	struct usb_card_rec *card = (struct usb_card_rec *)adapter->card;
-	int i;
-	struct urb_context *ctx;
-
-	for (i = 0; i < MWIFIEX_RX_DATA_URB; i++) {
-		if (card->rx_data_list[i].skb)
-			continue;
-		ctx = &card->rx_data_list[i];
-		mwifiex_usb_submit_rx_urb(ctx, MWIFIEX_RX_DATA_BUF_SIZE);
-	}
-}
-
-/* This function is called after the card has woken up. */
-static inline int
-mwifiex_pm_wakeup_card_complete(struct mwifiex_adapter *adapter)
-{
-	return 0;
-}
-
-static struct mwifiex_if_ops usb_ops = {
-	.register_dev =		mwifiex_register_dev,
-	.unregister_dev =	mwifiex_unregister_dev,
-	.wakeup =		mwifiex_pm_wakeup_card,
-	.wakeup_complete =	mwifiex_pm_wakeup_card_complete,
-
-	/* USB specific */
-	.dnld_fw =		mwifiex_usb_dnld_fw,
-	.cmdrsp_complete =	mwifiex_usb_cmd_event_complete,
-	.event_complete =	mwifiex_usb_cmd_event_complete,
-	.host_to_card =		mwifiex_usb_host_to_card,
-	.submit_rem_rx_urbs =	mwifiex_usb_submit_rem_rx_urbs,
-	.multi_port_resync =	mwifiex_usb_port_resync,
-	.is_port_ready =	mwifiex_usb_is_port_ready,
-};
-
-/* This function initializes the USB driver module.
- *
- * This initiates the semaphore and registers the device with
- * USB bus.
- */
-static int mwifiex_usb_init_module(void)
-{
-	int ret;
-
-	pr_debug("Marvell USB8797 Driver\n");
-
-	sema_init(&add_remove_card_sem, 1);
-
-	ret = usb_register(&mwifiex_usb_driver);
-	if (ret)
-		pr_err("Driver register failed!\n");
-	else
-		pr_debug("info: Driver registered successfully!\n");
-
-	return ret;
-}
-
-/* This function cleans up the USB driver.
- *
- * The following major steps are followed in .disconnect for cleanup:
- *      - Resume the device if its suspended
- *      - Disconnect the device if connected
- *      - Shutdown the firmware
- *      - Unregister the device from USB bus.
- */
-static void mwifiex_usb_cleanup_module(void)
-{
-	if (!down_interruptible(&add_remove_card_sem))
-		up(&add_remove_card_sem);
-
-	/* set the flag as user is removing this module */
-	user_rmmod = 1;
-
-	usb_deregister(&mwifiex_usb_driver);
-}
-
-module_init(mwifiex_usb_init_module);
-module_exit(mwifiex_usb_cleanup_module);
-
-MODULE_AUTHOR("Marvell International Ltd.");
-MODULE_DESCRIPTION("Marvell WiFi-Ex USB Driver version" USB_VERSION);
-MODULE_VERSION(USB_VERSION);
-MODULE_LICENSE("GPL v2");
-MODULE_FIRMWARE(USB8766_DEFAULT_FW_NAME);
-MODULE_FIRMWARE(USB8797_DEFAULT_FW_NAME);
-MODULE_FIRMWARE(USB8801_DEFAULT_FW_NAME);
-MODULE_FIRMWARE(USB8997_DEFAULT_FW_NAME);