Merge branch 'devel-stable' into for-next

author: Russell King <rmk+kernel@arm.linux.org.uk> 2015-04-15 00:28:32 +0300
committer: Russell King <rmk+kernel@arm.linux.org.uk> 2015-04-15 00:28:32 +0300
commit: 4b2f8838479eb2abe042e094f7d2cced6d5ea772 (patch)
tree: 5ef3236b354a494c8d71a572896283e44989c696 /drivers
parent: c848791f0336914a3081ea3fe029cf177d81de81 (diff)
parent: 9fd85eb502a78bd812db58bd1f668b2a06ee30a5 (diff)
download: linux-4b2f8838479eb2abe042e094f7d2cced6d5ea772.tar.xz
314 files changed, 4015 insertions, 2582 deletions
diff --git a/drivers/acpi/acpi_lpss.c b/drivers/acpi/acpi_lpss.c
index 657964e8ab7e..37fb19047603 100644
--- a/drivers/acpi/acpi_lpss.c
+++ b/drivers/acpi/acpi_lpss.c
@@ -65,6 +65,7 @@ struct lpss_private_data;
 
 struct lpss_device_desc {
 	unsigned int flags;
+	const char *clk_con_id;
 	unsigned int prv_offset;
 	size_t prv_size_override;
 	void (*setup)(struct lpss_private_data *pdata);
@@ -140,6 +141,7 @@ static struct lpss_device_desc lpt_i2c_dev_desc = {
 
 static struct lpss_device_desc lpt_uart_dev_desc = {
 	.flags = LPSS_CLK | LPSS_CLK_GATE | LPSS_CLK_DIVIDER | LPSS_LTR,
+	.clk_con_id = "baudclk",
 	.prv_offset = 0x800,
 	.setup = lpss_uart_setup,
 };
@@ -156,6 +158,7 @@ static struct lpss_device_desc byt_pwm_dev_desc = {
 
 static struct lpss_device_desc byt_uart_dev_desc = {
 	.flags = LPSS_CLK | LPSS_CLK_GATE | LPSS_CLK_DIVIDER | LPSS_SAVE_CTX,
+	.clk_con_id = "baudclk",
 	.prv_offset = 0x800,
 	.setup = lpss_uart_setup,
 };
@@ -313,7 +316,7 @@ out:
 		return PTR_ERR(clk);
 
 	pdata->clk = clk;
-	clk_register_clkdev(clk, NULL, devname);
+	clk_register_clkdev(clk, dev_desc->clk_con_id, devname);
 	return 0;
 }
 
diff --git a/drivers/acpi/resource.c b/drivers/acpi/resource.c
index c723668e3e27..5589a6e2a023 100644
--- a/drivers/acpi/resource.c
+++ b/drivers/acpi/resource.c
@@ -42,8 +42,10 @@ static bool acpi_dev_resource_len_valid(u64 start, u64 end, u64 len, bool io)
 	 * CHECKME: len might be required to check versus a minimum
 	 * length as well. 1 for io is fine, but for memory it does
 	 * not make any sense at all.
+	 * Note: some BIOSes report incorrect length for ACPI address space
+	 * descriptor, so remove check of 'reslen == len' to avoid regression.
 	 */
-	if (len && reslen && reslen == len && start <= end)
+	if (len && reslen && start <= end)
 		return true;
 
 	pr_debug("ACPI: invalid or unassigned resource %s [%016llx - %016llx] length [%016llx]\n",
diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c
index debd30917010..26eb70c8f518 100644
--- a/drivers/acpi/video.c
+++ b/drivers/acpi/video.c
@@ -2110,7 +2110,8 @@ static int __init intel_opregion_present(void)
 
 int acpi_video_register(void)
 {
-	int result = 0;
+	int ret;
+
 	if (register_count) {
 		/*
 		 * if the function of acpi_video_register is already called,
@@ -2122,9 +2123,9 @@ int acpi_video_register(void)
 	mutex_init(&video_list_lock);
 	INIT_LIST_HEAD(&video_bus_head);
 
-	result = acpi_bus_register_driver(&acpi_video_bus);
-	if (result < 0)
-		return -ENODEV;
+	ret = acpi_bus_register_driver(&acpi_video_bus);
+	if (ret)
+		return ret;
 
 	/*
 	 * When the acpi_video_bus is loaded successfully, increase
@@ -2176,6 +2177,17 @@ EXPORT_SYMBOL(acpi_video_unregister_backlight);
 
 static int __init acpi_video_init(void)
 {
+	/*
+	 * Let the module load even if ACPI is disabled (e.g. due to
+	 * a broken BIOS) so that i915.ko can still be loaded on such
+	 * old systems without an AcpiOpRegion.
+	 *
+	 * acpi_video_register() will report -ENODEV later as well due
+	 * to acpi_disabled when i915.ko tries to register itself afterwards.
+	 */
+	if (acpi_disabled)
+		return 0;
+
 	dmi_check_system(video_dmi_table);
 
 	if (intel_opregion_present())
diff --git a/drivers/android/binder.c b/drivers/android/binder.c
index 33b09b6568a4..6607f3c6ace1 100644
--- a/drivers/android/binder.c
+++ b/drivers/android/binder.c
@@ -551,7 +551,6 @@ static int binder_update_page_range(struct binder_proc *proc, int allocate,
 {
 	void *page_addr;
 	unsigned long user_page_addr;
-	struct vm_struct tmp_area;
 	struct page **page;
 	struct mm_struct *mm;
 
@@ -600,10 +599,11 @@ static int binder_update_page_range(struct binder_proc *proc, int allocate,
 				proc->pid, page_addr);
 			goto err_alloc_page_failed;
 		}
-		tmp_area.addr = page_addr;
-		tmp_area.size = PAGE_SIZE + PAGE_SIZE /* guard page? */;
-		ret = map_vm_area(&tmp_area, PAGE_KERNEL, page);
-		if (ret) {
+		ret = map_kernel_range_noflush((unsigned long)page_addr,
+					PAGE_SIZE, PAGE_KERNEL, page);
+		flush_cache_vmap((unsigned long)page_addr,
+				(unsigned long)page_addr + PAGE_SIZE);
+		if (ret != 1) {
 			pr_err("%d: binder_alloc_buf failed to map page at %p in kernel\n",
 			       proc->pid, page_addr);
 			goto err_map_kernel_failed;
diff --git a/drivers/ata/sata_fsl.c b/drivers/ata/sata_fsl.c
index f9054cd36a72..5389579c5120 100644
--- a/drivers/ata/sata_fsl.c
+++ b/drivers/ata/sata_fsl.c
@@ -869,6 +869,8 @@ try_offline_again:
 	 */
 	ata_msleep(ap, 1);
 
+	sata_set_spd(link);
+
 	/*
 	 * Now, bring the host controller online again, this can take time
 	 * as PHY reset and communication establishment, 1st D2H FIS and
diff --git a/drivers/base/power/domain.c b/drivers/base/power/domain.c
index ba4abbe4693c..45937f88e77c 100644
--- a/drivers/base/power/domain.c
+++ b/drivers/base/power/domain.c
@@ -2242,7 +2242,7 @@ static void rtpm_status_str(struct seq_file *s, struct device *dev)
 }
 
 static int pm_genpd_summary_one(struct seq_file *s,
-		struct generic_pm_domain *gpd)
+				struct generic_pm_domain *genpd)
 {
 	static const char * const status_lookup[] = {
 		[GPD_STATE_ACTIVE] = "on",
@@ -2256,26 +2256,26 @@ static int pm_genpd_summary_one(struct seq_file *s,
 	struct gpd_link *link;
 	int ret;
 
-	ret = mutex_lock_interruptible(&gpd->lock);
+	ret = mutex_lock_interruptible(&genpd->lock);
 	if (ret)
 		return -ERESTARTSYS;
 
-	if (WARN_ON(gpd->status >= ARRAY_SIZE(status_lookup)))
+	if (WARN_ON(genpd->status >= ARRAY_SIZE(status_lookup)))
 		goto exit;
-	seq_printf(s, "%-30s  %-15s  ", gpd->name, status_lookup[gpd->status]);
+	seq_printf(s, "%-30s  %-15s  ", genpd->name, status_lookup[genpd->status]);
 
 	/*
 	 * Modifications on the list require holding locks on both
 	 * master and slave, so we are safe.
-	 * Also gpd->name is immutable.
+	 * Also genpd->name is immutable.
 	 */
-	list_for_each_entry(link, &gpd->master_links, master_node) {
+	list_for_each_entry(link, &genpd->master_links, master_node) {
 		seq_printf(s, "%s", link->slave->name);
-		if (!list_is_last(&link->master_node, &gpd->master_links))
+		if (!list_is_last(&link->master_node, &genpd->master_links))
 			seq_puts(s, ", ");
 	}
 
-	list_for_each_entry(pm_data, &gpd->dev_list, list_node) {
+	list_for_each_entry(pm_data, &genpd->dev_list, list_node) {
 		kobj_path = kobject_get_path(&pm_data->dev->kobj, GFP_KERNEL);
 		if (kobj_path == NULL)
 			continue;
@@ -2287,14 +2287,14 @@ static int pm_genpd_summary_one(struct seq_file *s,
 
 	seq_puts(s, "\n");
 exit:
-	mutex_unlock(&gpd->lock);
+	mutex_unlock(&genpd->lock);
 
 	return 0;
 }
 
 static int pm_genpd_summary_show(struct seq_file *s, void *data)
 {
-	struct generic_pm_domain *gpd;
+	struct generic_pm_domain *genpd;
 	int ret = 0;
 
 	seq_puts(s, "    domain                      status         slaves\n");
@@ -2305,8 +2305,8 @@ static int pm_genpd_summary_show(struct seq_file *s, void *data)
 	if (ret)
 		return -ERESTARTSYS;
 
-	list_for_each_entry(gpd, &gpd_list, gpd_list_node) {
-		ret = pm_genpd_summary_one(s, gpd);
+	list_for_each_entry(genpd, &gpd_list, gpd_list_node) {
+		ret = pm_genpd_summary_one(s, genpd);
 		if (ret)
 			break;
 	}
diff --git a/drivers/base/power/wakeup.c b/drivers/base/power/wakeup.c
index c2744b30d5d9..aab7158d2afe 100644
--- a/drivers/base/power/wakeup.c
+++ b/drivers/base/power/wakeup.c
@@ -730,6 +730,7 @@ void pm_system_wakeup(void)
 	pm_abort_suspend = true;
 	freeze_wake();
 }
+EXPORT_SYMBOL_GPL(pm_system_wakeup);
 
 void pm_wakeup_clear(void)
 {
diff --git a/drivers/block/nvme-core.c b/drivers/block/nvme-core.c
index b64bccbb78c9..ceb32dd52a6c 100644
--- a/drivers/block/nvme-core.c
+++ b/drivers/block/nvme-core.c
@@ -482,6 +482,7 @@ static int nvme_error_status(u16 status)
 	}
 }
 
+#ifdef CONFIG_BLK_DEV_INTEGRITY
 static void nvme_dif_prep(u32 p, u32 v, struct t10_pi_tuple *pi)
 {
 	if (be32_to_cpu(pi->ref_tag) == v)
@@ -538,6 +539,58 @@ static void nvme_dif_remap(struct request *req,
 	kunmap_atomic(pmap);
 }
 
+static int nvme_noop_verify(struct blk_integrity_iter *iter)
+{
+	return 0;
+}
+
+static int nvme_noop_generate(struct blk_integrity_iter *iter)
+{
+	return 0;
+}
+
+struct blk_integrity nvme_meta_noop = {
+	.name			= "NVME_META_NOOP",
+	.generate_fn		= nvme_noop_generate,
+	.verify_fn		= nvme_noop_verify,
+};
+
+static void nvme_init_integrity(struct nvme_ns *ns)
+{
+	struct blk_integrity integrity;
+
+	switch (ns->pi_type) {
+	case NVME_NS_DPS_PI_TYPE3:
+		integrity = t10_pi_type3_crc;
+		break;
+	case NVME_NS_DPS_PI_TYPE1:
+	case NVME_NS_DPS_PI_TYPE2:
+		integrity = t10_pi_type1_crc;
+		break;
+	default:
+		integrity = nvme_meta_noop;
+		break;
+	}
+	integrity.tuple_size = ns->ms;
+	blk_integrity_register(ns->disk, &integrity);
+	blk_queue_max_integrity_segments(ns->queue, 1);
+}
+#else /* CONFIG_BLK_DEV_INTEGRITY */
+static void nvme_dif_remap(struct request *req,
+			void (*dif_swap)(u32 p, u32 v, struct t10_pi_tuple *pi))
+{
+}
+static void nvme_dif_prep(u32 p, u32 v, struct t10_pi_tuple *pi)
+{
+}
+static void nvme_dif_complete(u32 p, u32 v, struct t10_pi_tuple *pi)
+{
+}
+static void nvme_init_integrity(struct nvme_ns *ns)
+{
+}
+#endif
+
 static void req_completion(struct nvme_queue *nvmeq, void *ctx,
 						struct nvme_completion *cqe)
 {
@@ -1959,43 +2012,6 @@ static void nvme_config_discard(struct nvme_ns *ns)
 	queue_flag_set_unlocked(QUEUE_FLAG_DISCARD, ns->queue);
 }
 
-static int nvme_noop_verify(struct blk_integrity_iter *iter)
-{
-	return 0;
-}
-
-static int nvme_noop_generate(struct blk_integrity_iter *iter)
-{
-	return 0;
-}
-
-struct blk_integrity nvme_meta_noop = {
-	.name			= "NVME_META_NOOP",
-	.generate_fn		= nvme_noop_generate,
-	.verify_fn		= nvme_noop_verify,
-};
-
-static void nvme_init_integrity(struct nvme_ns *ns)
-{
-	struct blk_integrity integrity;
-
-	switch (ns->pi_type) {
-	case NVME_NS_DPS_PI_TYPE3:
-		integrity = t10_pi_type3_crc;
-		break;
-	case NVME_NS_DPS_PI_TYPE1:
-	case NVME_NS_DPS_PI_TYPE2:
-		integrity = t10_pi_type1_crc;
-		break;
-	default:
-		integrity = nvme_meta_noop;
-		break;
-	}
-	integrity.tuple_size = ns->ms;
-	blk_integrity_register(ns->disk, &integrity);
-	blk_queue_max_integrity_segments(ns->queue, 1);
-}
-
 static int nvme_revalidate_disk(struct gendisk *disk)
 {
 	struct nvme_ns *ns = disk->private_data;
@@ -2036,7 +2052,8 @@ static int nvme_revalidate_disk(struct gendisk *disk)
 	pi_type = ns->ms == sizeof(struct t10_pi_tuple) ?
 					id->dps & NVME_NS_DPS_PI_MASK : 0;
 
-	if (disk->integrity && (ns->pi_type != pi_type || ns->ms != old_ms ||
+	if (blk_get_integrity(disk) && (ns->pi_type != pi_type ||
+				ns->ms != old_ms ||
 				bs != queue_logical_block_size(disk->queue) ||
 				(ns->ms && id->flbas & NVME_NS_FLBAS_META_EXT)))
 		blk_integrity_unregister(disk);
@@ -2044,11 +2061,11 @@ static int nvme_revalidate_disk(struct gendisk *disk)
 	ns->pi_type = pi_type;
 	blk_queue_logical_block_size(ns->queue, bs);
 
-	if (ns->ms && !disk->integrity && (disk->flags & GENHD_FL_UP) &&
+	if (ns->ms && !blk_get_integrity(disk) && (disk->flags & GENHD_FL_UP) &&
 				!(id->flbas & NVME_NS_FLBAS_META_EXT))
 		nvme_init_integrity(ns);
 
-	if (id->ncap == 0 || (ns->ms && !disk->integrity))
+	if (id->ncap == 0 || (ns->ms && !blk_get_integrity(disk)))
 		set_capacity(disk, 0);
 	else
 		set_capacity(disk, le64_to_cpup(&id->nsze) << (ns->lba_shift - 9));
@@ -2652,7 +2669,7 @@ static void nvme_dev_remove(struct nvme_dev *dev)
 
 	list_for_each_entry(ns, &dev->namespaces, list) {
 		if (ns->disk->flags & GENHD_FL_UP) {
-			if (ns->disk->integrity)
+			if (blk_get_integrity(ns->disk))
 				blk_integrity_unregister(ns->disk);
 			del_gendisk(ns->disk);
 		}
diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c
index 8e233edd7a09..871bd3550cb0 100644
--- a/drivers/block/zram/zram_drv.c
+++ b/drivers/block/zram/zram_drv.c
@@ -528,7 +528,7 @@ out_cleanup:
 static inline void update_used_max(struct zram *zram,
 					const unsigned long pages)
 {
-	int old_max, cur_max;
+	unsigned long old_max, cur_max;
 
 	old_max = atomic_long_read(&zram->stats.max_used_pages);
 
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index b87688881143..8bfc4c2bba87 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -272,6 +272,7 @@ static const struct usb_device_id blacklist_table[] = {
 	{ USB_DEVICE(0x1286, 0x2046), .driver_info = BTUSB_MARVELL },
 
 	/* Intel Bluetooth devices */
+	{ USB_DEVICE(0x8087, 0x07da), .driver_info = BTUSB_CSR },
 	{ USB_DEVICE(0x8087, 0x07dc), .driver_info = BTUSB_INTEL },
 	{ USB_DEVICE(0x8087, 0x0a2a), .driver_info = BTUSB_INTEL },
 	{ USB_DEVICE(0x8087, 0x0a2b), .driver_info = BTUSB_INTEL_NEW },
diff --git a/drivers/char/tpm/tpm-chip.c b/drivers/char/tpm/tpm-chip.c
index 1d278ccd751f..e096e9cddb40 100644
--- a/drivers/char/tpm/tpm-chip.c
+++ b/drivers/char/tpm/tpm-chip.c
@@ -140,24 +140,24 @@ static int tpm_dev_add_device(struct tpm_chip *chip)
 {
 	int rc;
 
-	rc = device_add(&chip->dev);
+	rc = cdev_add(&chip->cdev, chip->dev.devt, 1);
 	if (rc) {
 		dev_err(&chip->dev,
-			"unable to device_register() %s, major %d, minor %d, err=%d\n",
+			"unable to cdev_add() %s, major %d, minor %d, err=%d\n",
 			chip->devname, MAJOR(chip->dev.devt),
 			MINOR(chip->dev.devt), rc);
 
+		device_unregister(&chip->dev);
 		return rc;
 	}
 
-	rc = cdev_add(&chip->cdev, chip->dev.devt, 1);
+	rc = device_add(&chip->dev);
 	if (rc) {
 		dev_err(&chip->dev,
-			"unable to cdev_add() %s, major %d, minor %d, err=%d\n",
+			"unable to device_register() %s, major %d, minor %d, err=%d\n",
 			chip->devname, MAJOR(chip->dev.devt),
 			MINOR(chip->dev.devt), rc);
 
-		device_unregister(&chip->dev);
 		return rc;
 	}
 
@@ -174,27 +174,17 @@ static void tpm_dev_del_device(struct tpm_chip *chip)
  * tpm_chip_register() - create a character device for the TPM chip
  * @chip: TPM chip to use.
  *
- * Creates a character device for the TPM chip and adds sysfs interfaces for
- * the device, PPI and TCPA. As the last step this function adds the
- * chip to the list of TPM chips available for use.
+ * Creates a character device for the TPM chip and adds sysfs attributes for
+ * the device. As the last step this function adds the chip to the list of TPM
+ * chips available for in-kernel use.
  *
- * NOTE: This function should be only called after the chip initialization
- * is complete.
- *
- * Called from tpm_<specific>.c probe function only for devices
- * the driver has determined it should claim.  Prior to calling
- * this function the specific probe function has called pci_enable_device
- * upon errant exit from this function specific probe function should call
- * pci_disable_device
+ * This function should be only called after the chip initialization is
+ * complete.
  */
 int tpm_chip_register(struct tpm_chip *chip)
 {
 	int rc;
 
-	rc = tpm_dev_add_device(chip);
-	if (rc)
-		return rc;
-
 	/* Populate sysfs for TPM1 devices. */
 	if (!(chip->flags & TPM_CHIP_FLAG_TPM2)) {
 		rc = tpm_sysfs_add_device(chip);
@@ -208,6 +198,10 @@ int tpm_chip_register(struct tpm_chip *chip)
 		chip->bios_dir = tpm_bios_log_setup(chip->devname);
 	}
 
+	rc = tpm_dev_add_device(chip);
+	if (rc)
+		return rc;
+
 	/* Make the chip available. */
 	spin_lock(&driver_lock);
 	list_add_rcu(&chip->list, &tpm_chip_list);
diff --git a/drivers/char/tpm/tpm_ibmvtpm.c b/drivers/char/tpm/tpm_ibmvtpm.c
index b1e53e3aece5..42ffa5e7a1e0 100644
--- a/drivers/char/tpm/tpm_ibmvtpm.c
+++ b/drivers/char/tpm/tpm_ibmvtpm.c
@@ -124,7 +124,7 @@ static int tpm_ibmvtpm_send(struct tpm_chip *chip, u8 *buf, size_t count)
 {
 	struct ibmvtpm_dev *ibmvtpm;
 	struct ibmvtpm_crq crq;
-	u64 *word = (u64 *) &crq;
+	__be64 *word = (__be64 *)&crq;
 	int rc;
 
 	ibmvtpm = (struct ibmvtpm_dev *)TPM_VPRIV(chip);
@@ -145,11 +145,11 @@ static int tpm_ibmvtpm_send(struct tpm_chip *chip, u8 *buf, size_t count)
 	memcpy((void *)ibmvtpm->rtce_buf, (void *)buf, count);
 	crq.valid = (u8)IBMVTPM_VALID_CMD;
 	crq.msg = (u8)VTPM_TPM_COMMAND;
-	crq.len = (u16)count;
-	crq.data = ibmvtpm->rtce_dma_handle;
+	crq.len = cpu_to_be16(count);
+	crq.data = cpu_to_be32(ibmvtpm->rtce_dma_handle);
 
-	rc = ibmvtpm_send_crq(ibmvtpm->vdev, cpu_to_be64(word[0]),
-			      cpu_to_be64(word[1]));
+	rc = ibmvtpm_send_crq(ibmvtpm->vdev, be64_to_cpu(word[0]),
+			      be64_to_cpu(word[1]));
 	if (rc != H_SUCCESS) {
 		dev_err(ibmvtpm->dev, "tpm_ibmvtpm_send failed rc=%d\n", rc);
 		rc = 0;
diff --git a/drivers/char/tpm/tpm_ibmvtpm.h b/drivers/char/tpm/tpm_ibmvtpm.h
index f595f14426bf..6af92890518f 100644
--- a/drivers/char/tpm/tpm_ibmvtpm.h
+++ b/drivers/char/tpm/tpm_ibmvtpm.h
@@ -22,9 +22,9 @@
 struct ibmvtpm_crq {
 	u8 valid;
 	u8 msg;
-	u16 len;
-	u32 data;
-	u64 reserved;
+	__be16 len;
+	__be32 data;
+	__be64 reserved;
 } __attribute__((packed, aligned(8)));
 
 struct ibmvtpm_crq_queue {
diff --git a/drivers/clk/at91/pmc.c b/drivers/clk/at91/pmc.c
index f07c8152e5cc..3f27d21fb729 100644
--- a/drivers/clk/at91/pmc.c
+++ b/drivers/clk/at91/pmc.c
@@ -89,12 +89,29 @@ static int pmc_irq_set_type(struct irq_data *d, unsigned type)
 	return 0;
 }
 
+static void pmc_irq_suspend(struct irq_data *d)
+{
+	struct at91_pmc *pmc = irq_data_get_irq_chip_data(d);
+
+	pmc->imr = pmc_read(pmc, AT91_PMC_IMR);
+	pmc_write(pmc, AT91_PMC_IDR, pmc->imr);
+}
+
+static void pmc_irq_resume(struct irq_data *d)
+{
+	struct at91_pmc *pmc = irq_data_get_irq_chip_data(d);
+
+	pmc_write(pmc, AT91_PMC_IER, pmc->imr);
+}
+
 static struct irq_chip pmc_irq = {
 	.name = "PMC",
 	.irq_disable = pmc_irq_mask,
 	.irq_mask = pmc_irq_mask,
 	.irq_unmask = pmc_irq_unmask,
 	.irq_set_type = pmc_irq_set_type,
+	.irq_suspend = pmc_irq_suspend,
+	.irq_resume = pmc_irq_resume,
 };
 
 static struct lock_class_key pmc_lock_class;
@@ -224,7 +241,8 @@ static struct at91_pmc *__init at91_pmc_init(struct device_node *np,
 		goto out_free_pmc;
 
 	pmc_write(pmc, AT91_PMC_IDR, 0xffffffff);
-	if (request_irq(pmc->virq, pmc_irq_handler, IRQF_SHARED, "pmc", pmc))
+	if (request_irq(pmc->virq, pmc_irq_handler,
+			IRQF_SHARED | IRQF_COND_SUSPEND, "pmc", pmc))
 		goto out_remove_irqdomain;
 
 	return pmc;
diff --git a/drivers/clk/at91/pmc.h b/drivers/clk/at91/pmc.h
index 52d2041fa3f6..69abb08cf146 100644
--- a/drivers/clk/at91/pmc.h
+++ b/drivers/clk/at91/pmc.h
@@ -33,6 +33,7 @@ struct at91_pmc {
 	spinlock_t lock;
 	const struct at91_pmc_caps *caps;
 	struct irq_domain *irqdomain;
+	u32 imr;
 };
 
 static inline void pmc_lock(struct at91_pmc *pmc)
diff --git a/drivers/clk/clk-divider.c b/drivers/clk/clk-divider.c
index db7f8bce7467..25006a8bb8e6 100644
--- a/drivers/clk/clk-divider.c
+++ b/drivers/clk/clk-divider.c
@@ -144,12 +144,6 @@ static unsigned long clk_divider_recalc_rate(struct clk_hw *hw,
 				   divider->flags);
 }
 
-/*
- * The reverse of DIV_ROUND_UP: The maximum number which
- * divided by m is r
- */
-#define MULT_ROUND_UP(r, m) ((r) * (m) + (m) - 1)
-
 static bool _is_valid_table_div(const struct clk_div_table *table,
 							 unsigned int div)
 {
@@ -225,19 +219,24 @@ static int _div_round_closest(const struct clk_div_table *table,
 			      unsigned long parent_rate, unsigned long rate,
 			      unsigned long flags)
 {
-	int up, down, div;
+	int up, down;
+	unsigned long up_rate, down_rate;
 
-	up = down = div = DIV_ROUND_CLOSEST(parent_rate, rate);
+	up = DIV_ROUND_UP(parent_rate, rate);
+	down = parent_rate / rate;
 
 	if (flags & CLK_DIVIDER_POWER_OF_TWO) {
-		up = __roundup_pow_of_two(div);
-		down = __rounddown_pow_of_two(div);
+		up = __roundup_pow_of_two(up);
+		down = __rounddown_pow_of_two(down);
 	} else if (table) {
-		up = _round_up_table(table, div);
-		down = _round_down_table(table, div);
+		up = _round_up_table(table, up);
+		down = _round_down_table(table, down);
 	}
 
-	return (up - div) <= (div - down) ? up : down;
+	up_rate = DIV_ROUND_UP(parent_rate, up);
+	down_rate = DIV_ROUND_UP(parent_rate, down);
+
+	return (rate - up_rate) <= (down_rate - rate) ? up : down;
 }
 
 static int _div_round(const struct clk_div_table *table,
@@ -313,7 +312,7 @@ static int clk_divider_bestdiv(struct clk_hw *hw, unsigned long rate,
 			return i;
 		}
 		parent_rate = __clk_round_rate(__clk_get_parent(hw->clk),
-				MULT_ROUND_UP(rate, i));
+					       rate * i);
 		now = DIV_ROUND_UP(parent_rate, i);
 		if (_is_best_div(rate, now, best, flags)) {
 			bestdiv = i;
@@ -353,7 +352,7 @@ static long clk_divider_round_rate(struct clk_hw *hw, unsigned long rate,
 		bestdiv = readl(divider->reg) >> divider->shift;
 		bestdiv &= div_mask(divider->width);
 		bestdiv = _get_div(divider->table, bestdiv, divider->flags);
-		return bestdiv;
+		return DIV_ROUND_UP(*prate, bestdiv);
 	}
 
 	return divider_round_rate(hw, rate, prate, divider->table,
diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c
index eb0152961d3c..237f23f68bfc 100644
--- a/drivers/clk/clk.c
+++ b/drivers/clk/clk.c
@@ -1350,7 +1350,6 @@ static unsigned long clk_core_get_rate(struct clk_core *clk)
 
 	return rate;
 }
-EXPORT_SYMBOL_GPL(clk_core_get_rate);
 
 /**
  * clk_get_rate - return the rate of clk
@@ -2171,6 +2170,32 @@ int clk_get_phase(struct clk *clk)
 }
 
 /**
+ * clk_is_match - check if two clk's point to the same hardware clock
+ * @p: clk compared against q
+ * @q: clk compared against p
+ *
+ * Returns true if the two struct clk pointers both point to the same hardware
+ * clock node. Put differently, returns true if struct clk *p and struct clk *q
+ * share the same struct clk_core object.
+ *
+ * Returns false otherwise. Note that two NULL clks are treated as matching.
+ */
+bool clk_is_match(const struct clk *p, const struct clk *q)
+{
+	/* trivial case: identical struct clk's or both NULL */
+	if (p == q)
+		return true;
+
+	/* true if clk->core pointers match. Avoid derefing garbage */
+	if (!IS_ERR_OR_NULL(p) && !IS_ERR_OR_NULL(q))
+		if (p->core == q->core)
+			return true;
+
+	return false;
+}
+EXPORT_SYMBOL_GPL(clk_is_match);
+
+/**
  * __clk_init - initialize the data structures in a struct clk
  * @dev:	device initializing this clk, placeholder for now
  * @clk:	clk being initialized
diff --git a/drivers/clk/qcom/gcc-msm8960.c b/drivers/clk/qcom/gcc-msm8960.c
index b0b562b9ce0e..e60feffc10a1 100644
--- a/drivers/clk/qcom/gcc-msm8960.c
+++ b/drivers/clk/qcom/gcc-msm8960.c
@@ -48,6 +48,17 @@ static struct clk_pll pll3 = {
 	},
 };
 
+static struct clk_regmap pll4_vote = {
+	.enable_reg = 0x34c0,
+	.enable_mask = BIT(4),
+	.hw.init = &(struct clk_init_data){
+		.name = "pll4_vote",
+		.parent_names = (const char *[]){ "pll4" },
+		.num_parents = 1,
+		.ops = &clk_pll_vote_ops,
+	},
+};
+
 static struct clk_pll pll8 = {
 	.l_reg = 0x3144,
 	.m_reg = 0x3148,
@@ -3023,6 +3034,7 @@ static struct clk_branch rpm_msg_ram_h_clk = {
 
 static struct clk_regmap *gcc_msm8960_clks[] = {
 	[PLL3] = &pll3.clkr,
+	[PLL4_VOTE] = &pll4_vote,
 	[PLL8] = &pll8.clkr,
 	[PLL8_VOTE] = &pll8_vote,
 	[PLL14] = &pll14.clkr,
@@ -3247,6 +3259,7 @@ static const struct qcom_reset_map gcc_msm8960_resets[] = {
 
 static struct clk_regmap *gcc_apq8064_clks[] = {
 	[PLL3] = &pll3.clkr,
+	[PLL4_VOTE] = &pll4_vote,
 	[PLL8] = &pll8.clkr,
 	[PLL8_VOTE] = &pll8_vote,
 	[PLL14] = &pll14.clkr,
diff --git a/drivers/clk/qcom/lcc-ipq806x.c b/drivers/clk/qcom/lcc-ipq806x.c
index 121ffde25dc3..c9ff27b4648b 100644
--- a/drivers/clk/qcom/lcc-ipq806x.c
+++ b/drivers/clk/qcom/lcc-ipq806x.c
@@ -462,7 +462,6 @@ static struct platform_driver lcc_ipq806x_driver = {
 	.remove		= lcc_ipq806x_remove,
 	.driver		= {
 		.name	= "lcc-ipq806x",
-		.owner	= THIS_MODULE,
 		.of_match_table = lcc_ipq806x_match_table,
 	},
 };
diff --git a/drivers/clk/qcom/lcc-msm8960.c b/drivers/clk/qcom/lcc-msm8960.c
index a75a408cfccd..e2c863295f00 100644
--- a/drivers/clk/qcom/lcc-msm8960.c
+++ b/drivers/clk/qcom/lcc-msm8960.c
@@ -417,8 +417,8 @@ static struct clk_rcg slimbus_src = {
 		.mnctr_en_bit = 8,
 		.mnctr_reset_bit = 7,
 		.mnctr_mode_shift = 5,
-		.n_val_shift = 16,
-		.m_val_shift = 16,
+		.n_val_shift = 24,
+		.m_val_shift = 8,
 		.width = 8,
 	},
 	.p = {
@@ -547,7 +547,7 @@ static int lcc_msm8960_probe(struct platform_device *pdev)
 		return PTR_ERR(regmap);
 
 	/* Use the correct frequency plan depending on speed of PLL4 */
-	val = regmap_read(regmap, 0x4, &val);
+	regmap_read(regmap, 0x4, &val);
 	if (val == 0x12) {
 		slimbus_src.freq_tbl = clk_tbl_aif_osr_492;
 		mi2s_osr_src.freq_tbl = clk_tbl_aif_osr_492;
@@ -574,7 +574,6 @@ static struct platform_driver lcc_msm8960_driver = {
 	.remove		= lcc_msm8960_remove,
 	.driver		= {
 		.name	= "lcc-msm8960",
-		.owner	= THIS_MODULE,
 		.of_match_table = lcc_msm8960_match_table,
 	},
 };
diff --git a/drivers/clk/ti/fapll.c b/drivers/clk/ti/fapll.c
index 6ef89639a9f6..d21640634adf 100644
--- a/drivers/clk/ti/fapll.c
+++ b/drivers/clk/ti/fapll.c
@@ -84,7 +84,7 @@ static int ti_fapll_enable(struct clk_hw *hw)
 	struct fapll_data *fd = to_fapll(hw);
 	u32 v = readl_relaxed(fd->base);
 
-	v |= (1 << FAPLL_MAIN_PLLEN);
+	v |= FAPLL_MAIN_PLLEN;
 	writel_relaxed(v, fd->base);
 
 	return 0;
@@ -95,7 +95,7 @@ static void ti_fapll_disable(struct clk_hw *hw)
 	struct fapll_data *fd = to_fapll(hw);
 	u32 v = readl_relaxed(fd->base);
 
-	v &= ~(1 << FAPLL_MAIN_PLLEN);
+	v &= ~FAPLL_MAIN_PLLEN;
 	writel_relaxed(v, fd->base);
 }
 
@@ -104,7 +104,7 @@ static int ti_fapll_is_enabled(struct clk_hw *hw)
 	struct fapll_data *fd = to_fapll(hw);
 	u32 v = readl_relaxed(fd->base);
 
-	return v & (1 << FAPLL_MAIN_PLLEN);
+	return v & FAPLL_MAIN_PLLEN;
 }
 
 static unsigned long ti_fapll_recalc_rate(struct clk_hw *hw,
diff --git a/drivers/clocksource/Kconfig b/drivers/clocksource/Kconfig
index 1c2506f68122..68161f7a07d6 100644
--- a/drivers/clocksource/Kconfig
+++ b/drivers/clocksource/Kconfig
@@ -63,6 +63,11 @@ config VT8500_TIMER
 config CADENCE_TTC_TIMER
 	bool
 
+config ASM9260_TIMER
+	bool
+	select CLKSRC_MMIO
+	select CLKSRC_OF
+
 config CLKSRC_NOMADIK_MTU
 	bool
 	depends on (ARCH_NOMADIK || ARCH_U8500)
@@ -245,15 +250,4 @@ config CLKSRC_PXA
 	help
 	  This enables OST0 support available on PXA and SA-11x0
 	  platforms.
-
-config ASM9260_TIMER
-	bool "Alphascale ASM9260 timer driver"
-	depends on GENERIC_CLOCKEVENTS
-	select CLKSRC_MMIO
-	select CLKSRC_OF
-	default y if MACH_ASM9260
-	help
-	  This enables build of a clocksource and clockevent driver for
-	  the 32-bit System Timer hardware available on a Alphascale ASM9260.
-
 endmenu
diff --git a/drivers/clocksource/mtk_timer.c b/drivers/clocksource/mtk_timer.c
index 32a3d25795d3..68ab42356d0e 100644
--- a/drivers/clocksource/mtk_timer.c
+++ b/drivers/clocksource/mtk_timer.c
@@ -224,6 +224,8 @@ static void __init mtk_timer_init(struct device_node *node)
 	}
 	rate = clk_get_rate(clk);
 
+	mtk_timer_global_reset(evt);
+
 	if (request_irq(evt->dev.irq, mtk_timer_interrupt,
 			IRQF_TIMER | IRQF_IRQPOLL, "mtk_timer", evt)) {
 		pr_warn("failed to setup irq %d\n", evt->dev.irq);
@@ -232,8 +234,6 @@ static void __init mtk_timer_init(struct device_node *node)
 
 	evt->ticks_per_jiffy = DIV_ROUND_UP(rate, HZ);
 
-	mtk_timer_global_reset(evt);
-
 	/* Configure clock source */
 	mtk_timer_setup(evt, GPT_CLK_SRC, TIMER_CTRL_OP_FREERUN);
 	clocksource_mmio_init(evt->gpt_base + TIMER_CNT_REG(GPT_CLK_SRC),
@@ -241,10 +241,11 @@ static void __init mtk_timer_init(struct device_node *node)
 
 	/* Configure clock event */
 	mtk_timer_setup(evt, GPT_CLK_EVT, TIMER_CTRL_OP_REPEAT);
-	mtk_timer_enable_irq(evt, GPT_CLK_EVT);
-
 	clockevents_config_and_register(&evt->dev, rate, 0x3,
 					0xffffffff);
+
+	mtk_timer_enable_irq(evt, GPT_CLK_EVT);
+
 	return;
 
 err_clk_disable:
diff --git a/drivers/clocksource/pxa_timer.c b/drivers/clocksource/pxa_timer.c
index 941f3f344e08..d9438af2bbd6 100644
--- a/drivers/clocksource/pxa_timer.c
+++ b/drivers/clocksource/pxa_timer.c
@@ -163,7 +163,7 @@ static struct irqaction pxa_ost0_irq = {
 	.dev_id		= &ckevt_pxa_osmr0,
 };
 
-static void pxa_timer_common_init(int irq, unsigned long clock_tick_rate)
+static void __init pxa_timer_common_init(int irq, unsigned long clock_tick_rate)
 {
 	timer_writel(0, OIER);
 	timer_writel(OSSR_M0 | OSSR_M1 | OSSR_M2 | OSSR_M3, OSSR);
diff --git a/drivers/cpufreq/exynos-cpufreq.c b/drivers/cpufreq/exynos-cpufreq.c
index 5e98c6b1f284..82d2fbb20f7e 100644
--- a/drivers/cpufreq/exynos-cpufreq.c
+++ b/drivers/cpufreq/exynos-cpufreq.c
@@ -159,7 +159,7 @@ static struct cpufreq_driver exynos_driver = {
 
 static int exynos_cpufreq_probe(struct platform_device *pdev)
 {
-	struct device_node *cpus, *np;
+	struct device_node *cpu0;
 	int ret = -EINVAL;
 
 	exynos_info = kzalloc(sizeof(*exynos_info), GFP_KERNEL);
@@ -206,28 +206,19 @@ static int exynos_cpufreq_probe(struct platform_device *pdev)
 	if (ret)
 		goto err_cpufreq_reg;
 
-	cpus = of_find_node_by_path("/cpus");
-	if (!cpus) {
-		pr_err("failed to find cpus node\n");
+	cpu0 = of_get_cpu_node(0, NULL);
+	if (!cpu0) {
+		pr_err("failed to find cpu0 node\n");
 		return 0;
 	}
 
-	np = of_get_next_child(cpus, NULL);
-	if (!np) {
-		pr_err("failed to find cpus child node\n");
-		of_node_put(cpus);
-		return 0;
-	}
-
-	if (of_find_property(np, "#cooling-cells", NULL)) {
-		cdev = of_cpufreq_cooling_register(np,
+	if (of_find_property(cpu0, "#cooling-cells", NULL)) {
+		cdev = of_cpufreq_cooling_register(cpu0,
 						   cpu_present_mask);
 		if (IS_ERR(cdev))
 			pr_err("running cpufreq without cooling device: %ld\n",
 			       PTR_ERR(cdev));
 	}
-	of_node_put(np);
-	of_node_put(cpus);
 
 	return 0;
 
diff --git a/drivers/cpufreq/ppc-corenet-cpufreq.c b/drivers/cpufreq/ppc-corenet-cpufreq.c
index bee5df7794d3..7cb4b766cf94 100644
--- a/drivers/cpufreq/ppc-corenet-cpufreq.c
+++ b/drivers/cpufreq/ppc-corenet-cpufreq.c
@@ -22,6 +22,8 @@
 #include <linux/smp.h>
 #include <sysdev/fsl_soc.h>
 
+#include <asm/smp.h>	/* for get_hard_smp_processor_id() in UP configs */
+
 /**
  * struct cpu_data - per CPU data struct
  * @parent: the parent node of cpu clock
diff --git a/drivers/cpuidle/cpuidle.c b/drivers/cpuidle/cpuidle.c
index 4d534582514e..080bd2dbde4b 100644
--- a/drivers/cpuidle/cpuidle.c
+++ b/drivers/cpuidle/cpuidle.c
@@ -44,6 +44,12 @@ void disable_cpuidle(void)
 	off = 1;
 }
 
+bool cpuidle_not_available(struct cpuidle_driver *drv,
+			   struct cpuidle_device *dev)
+{
+	return off || !initialized || !drv || !dev || !dev->enabled;
+}
+
 /**
  * cpuidle_play_dead - cpu off-lining
  *
@@ -66,14 +72,8 @@ int cpuidle_play_dead(void)
 	return -ENODEV;
 }
 
-/**
- * cpuidle_find_deepest_state - Find deepest state meeting specific conditions.
- * @drv: cpuidle driver for the given CPU.
- * @dev: cpuidle device for the given CPU.
- * @freeze: Whether or not the state should be suitable for suspend-to-idle.
- */
-static int cpuidle_find_deepest_state(struct cpuidle_driver *drv,
-				      struct cpuidle_device *dev, bool freeze)
+static int find_deepest_state(struct cpuidle_driver *drv,
+			      struct cpuidle_device *dev, bool freeze)
 {
 	unsigned int latency_req = 0;
 	int i, ret = freeze ? -1 : CPUIDLE_DRIVER_STATE_START - 1;
@@ -92,6 +92,17 @@ static int cpuidle_find_deepest_state(struct cpuidle_driver *drv,
 	return ret;
 }
 
+/**
+ * cpuidle_find_deepest_state - Find the deepest available idle state.
+ * @drv: cpuidle driver for the given CPU.
+ * @dev: cpuidle device for the given CPU.
+ */
+int cpuidle_find_deepest_state(struct cpuidle_driver *drv,
+			       struct cpuidle_device *dev)
+{
+	return find_deepest_state(drv, dev, false);
+}
+
 static void enter_freeze_proper(struct cpuidle_driver *drv,
 				struct cpuidle_device *dev, int index)
 {
@@ -113,15 +124,14 @@ static void enter_freeze_proper(struct cpuidle_driver *drv,
 
 /**
  * cpuidle_enter_freeze - Enter an idle state suitable for suspend-to-idle.
+ * @drv: cpuidle driver for the given CPU.
+ * @dev: cpuidle device for the given CPU.
  *
  * If there are states with the ->enter_freeze callback, find the deepest of
- * them and enter it with frozen tick.  Otherwise, find the deepest state
- * available and enter it normally.
+ * them and enter it with frozen tick.
  */
-void cpuidle_enter_freeze(void)
+int cpuidle_enter_freeze(struct cpuidle_driver *drv, struct cpuidle_device *dev)
 {
-	struct cpuidle_device *dev = __this_cpu_read(cpuidle_devices);
-	struct cpuidle_driver *drv = cpuidle_get_cpu_driver(dev);
 	int index;
 
 	/*
@@ -129,24 +139,11 @@ void cpuidle_enter_freeze(void)
 	 * that interrupts won't be enabled when it exits and allows the tick to
 	 * be frozen safely.
 	 */
-	index = cpuidle_find_deepest_state(drv, dev, true);
-	if (index >= 0) {
-		enter_freeze_proper(drv, dev, index);
-		return;
-	}
-
-	/*
-	 * It is not safe to freeze the tick, find the deepest state available
-	 * at all and try to enter it normally.
-	 */
-	index = cpuidle_find_deepest_state(drv, dev, false);
+	index = find_deepest_state(drv, dev, true);
 	if (index >= 0)
-		cpuidle_enter(drv, dev, index);
-	else
-		arch_cpu_idle();
+		enter_freeze_proper(drv, dev, index);
 
-	/* Interrupts are enabled again here. */
-	local_irq_disable();
+	return index;
 }
 
 /**
@@ -205,12 +202,6 @@ int cpuidle_enter_state(struct cpuidle_device *dev, struct cpuidle_driver *drv,
  */
 int cpuidle_select(struct cpuidle_driver *drv, struct cpuidle_device *dev)
 {
-	if (off || !initialized)
-		return -ENODEV;
-
-	if (!drv || !dev || !dev->enabled)
-		return -EBUSY;
-
 	return cpuidle_curr_governor->select(drv, dev);
 }
 
diff --git a/drivers/dma-buf/fence.c b/drivers/dma-buf/fence.c
index e5541117b3e9..50ef8bd8708b 100644
--- a/drivers/dma-buf/fence.c
+++ b/drivers/dma-buf/fence.c
@@ -159,6 +159,9 @@ fence_wait_timeout(struct fence *fence, bool intr, signed long timeout)
 	if (WARN_ON(timeout < 0))
 		return -EINVAL;
 
+	if (timeout == 0)
+		return fence_is_signaled(fence);
+
 	trace_fence_wait_start(fence);
 	ret = fence->ops->wait(fence, intr, timeout);
 	trace_fence_wait_end(fence);
diff --git a/drivers/dma-buf/reservation.c b/drivers/dma-buf/reservation.c
index 3c97c8fa8d02..39920d77f288 100644
--- a/drivers/dma-buf/reservation.c
+++ b/drivers/dma-buf/reservation.c
@@ -327,6 +327,9 @@ long reservation_object_wait_timeout_rcu(struct reservation_object *obj,
 	unsigned seq, shared_count, i = 0;
 	long ret = timeout;
 
+	if (!timeout)
+		return reservation_object_test_signaled_rcu(obj, wait_all);
+
 retry:
 	fence = NULL;
 	shared_count = 0;
@@ -402,8 +405,6 @@ reservation_object_test_signaled_single(struct fence *passed_fence)
 	int ret = 1;
 
 	if (!test_bit(FENCE_FLAG_SIGNALED_BIT, &lfence->flags)) {
-		int ret;
-
 		fence = fence_get_rcu(lfence);
 		if (!fence)
 			return -1;
diff --git a/drivers/dma/at_xdmac.c b/drivers/dma/at_xdmac.c
index 09e2825a547a..d9891d3461f6 100644
--- a/drivers/dma/at_xdmac.c
+++ b/drivers/dma/at_xdmac.c
@@ -664,7 +664,6 @@ at_xdmac_prep_dma_cyclic(struct dma_chan *chan, dma_addr_t buf_addr,
 	struct at_xdmac_desc	*first = NULL, *prev = NULL;
 	unsigned int		periods = buf_len / period_len;
 	int			i;
-	u32			cfg;
 
 	dev_dbg(chan2dev(chan), "%s: buf_addr=%pad, buf_len=%zd, period_len=%zd, dir=%s, flags=0x%lx\n",
 		__func__, &buf_addr, buf_len, period_len,
@@ -700,17 +699,17 @@ at_xdmac_prep_dma_cyclic(struct dma_chan *chan, dma_addr_t buf_addr,
 		if (direction == DMA_DEV_TO_MEM) {
 			desc->lld.mbr_sa = atchan->per_src_addr;
 			desc->lld.mbr_da = buf_addr + i * period_len;
-			cfg = atchan->cfg[AT_XDMAC_DEV_TO_MEM_CFG];
+			desc->lld.mbr_cfg = atchan->cfg[AT_XDMAC_DEV_TO_MEM_CFG];
 		} else {
 			desc->lld.mbr_sa = buf_addr + i * period_len;
 			desc->lld.mbr_da = atchan->per_dst_addr;
-			cfg = atchan->cfg[AT_XDMAC_MEM_TO_DEV_CFG];
+			desc->lld.mbr_cfg = atchan->cfg[AT_XDMAC_MEM_TO_DEV_CFG];
 		}
 		desc->lld.mbr_ubc = AT_XDMAC_MBR_UBC_NDV1
 			| AT_XDMAC_MBR_UBC_NDEN
 			| AT_XDMAC_MBR_UBC_NSEN
 			| AT_XDMAC_MBR_UBC_NDE
-			| period_len >> at_xdmac_get_dwidth(cfg);
+			| period_len >> at_xdmac_get_dwidth(desc->lld.mbr_cfg);
 
 		dev_dbg(chan2dev(chan),
 			 "%s: lld: mbr_sa=%pad, mbr_da=%pad, mbr_ubc=0x%08x\n",
diff --git a/drivers/dma/dw/core.c b/drivers/dma/dw/core.c
index 455b7a4f1e87..a8ad05291b27 100644
--- a/drivers/dma/dw/core.c
+++ b/drivers/dma/dw/core.c
@@ -626,7 +626,7 @@ static irqreturn_t dw_dma_interrupt(int irq, void *dev_id)
 	dev_vdbg(dw->dma.dev, "%s: status=0x%x\n", __func__, status);
 
 	/* Check if we have any interrupt from the DMAC */
-	if (!status)
+	if (!status || !dw->in_use)
 		return IRQ_NONE;
 
 	/*
diff --git a/drivers/dma/ioat/dma_v3.c b/drivers/dma/ioat/dma_v3.c
index 77a6dcf25b98..194ec20c9408 100644
--- a/drivers/dma/ioat/dma_v3.c
+++ b/drivers/dma/ioat/dma_v3.c
@@ -230,6 +230,10 @@ static bool is_bwd_noraid(struct pci_dev *pdev)
 	switch (pdev->device) {
 	case PCI_DEVICE_ID_INTEL_IOAT_BWD2:
 	case PCI_DEVICE_ID_INTEL_IOAT_BWD3:
+	case PCI_DEVICE_ID_INTEL_IOAT_BDXDE0:
+	case PCI_DEVICE_ID_INTEL_IOAT_BDXDE1:
+	case PCI_DEVICE_ID_INTEL_IOAT_BDXDE2:
+	case PCI_DEVICE_ID_INTEL_IOAT_BDXDE3:
 		return true;
 	default:
 		return false;
diff --git a/drivers/dma/mmp_pdma.c b/drivers/dma/mmp_pdma.c
index 8926f271904e..eb410044e1af 100644
--- a/drivers/dma/mmp_pdma.c
+++ b/drivers/dma/mmp_pdma.c
@@ -219,6 +219,9 @@ static irqreturn_t mmp_pdma_int_handler(int irq, void *dev_id)
 
 	while (dint) {
 		i = __ffs(dint);
+		/* only handle interrupts belonging to pdma driver*/
+		if (i >= pdev->dma_channels)
+			break;
 		dint &= (dint - 1);
 		phy = &pdev->phy[i];
 		ret = mmp_pdma_chan_handler(irq, phy);
@@ -999,6 +1002,9 @@ static int mmp_pdma_probe(struct platform_device *op)
 	struct resource *iores;
 	int i, ret, irq = 0;
 	int dma_channels = 0, irq_num = 0;
+	const enum dma_slave_buswidth widths =
+		DMA_SLAVE_BUSWIDTH_1_BYTE   | DMA_SLAVE_BUSWIDTH_2_BYTES |
+		DMA_SLAVE_BUSWIDTH_4_BYTES;
 
 	pdev = devm_kzalloc(&op->dev, sizeof(*pdev), GFP_KERNEL);
 	if (!pdev)
@@ -1066,6 +1072,10 @@ static int mmp_pdma_probe(struct platform_device *op)
 	pdev->device.device_config = mmp_pdma_config;
 	pdev->device.device_terminate_all = mmp_pdma_terminate_all;
 	pdev->device.copy_align = PDMA_ALIGNMENT;
+	pdev->device.src_addr_widths = widths;
+	pdev->device.dst_addr_widths = widths;
+	pdev->device.directions = BIT(DMA_MEM_TO_DEV) | BIT(DMA_DEV_TO_MEM);
+	pdev->device.residue_granularity = DMA_RESIDUE_GRANULARITY_DESCRIPTOR;
 
 	if (pdev->dev->coherent_dma_mask)
 		dma_set_mask(pdev->dev, pdev->dev->coherent_dma_mask);
diff --git a/drivers/dma/mmp_tdma.c b/drivers/dma/mmp_tdma.c
index 70c2fa9963cd..b6f4e1fc9c78 100644
--- a/drivers/dma/mmp_tdma.c
+++ b/drivers/dma/mmp_tdma.c
@@ -110,7 +110,7 @@ struct mmp_tdma_chan {
 	struct tasklet_struct		tasklet;
 
 	struct mmp_tdma_desc		*desc_arr;
-	phys_addr_t			desc_arr_phys;
+	dma_addr_t			desc_arr_phys;
 	int				desc_num;
 	enum dma_transfer_direction	dir;
 	dma_addr_t			dev_addr;
@@ -166,9 +166,12 @@ static void mmp_tdma_enable_chan(struct mmp_tdma_chan *tdmac)
 static int mmp_tdma_disable_chan(struct dma_chan *chan)
 {
 	struct mmp_tdma_chan *tdmac = to_mmp_tdma_chan(chan);
+	u32 tdcr;
 
-	writel(readl(tdmac->reg_base + TDCR) & ~TDCR_CHANEN,
-					tdmac->reg_base + TDCR);
+	tdcr = readl(tdmac->reg_base + TDCR);
+	tdcr |= TDCR_ABR;
+	tdcr &= ~TDCR_CHANEN;
+	writel(tdcr, tdmac->reg_base + TDCR);
 
 	tdmac->status = DMA_COMPLETE;
 
@@ -296,12 +299,27 @@ static int mmp_tdma_clear_chan_irq(struct mmp_tdma_chan *tdmac)
 	return -EAGAIN;
 }
 
+static size_t mmp_tdma_get_pos(struct mmp_tdma_chan *tdmac)
+{
+	size_t reg;
+
+	if (tdmac->idx == 0) {
+		reg = __raw_readl(tdmac->reg_base + TDSAR);
+		reg -= tdmac->desc_arr[0].src_addr;
+	} else if (tdmac->idx == 1) {
+		reg = __raw_readl(tdmac->reg_base + TDDAR);
+		reg -= tdmac->desc_arr[0].dst_addr;
+	} else
+		return -EINVAL;
+
+	return reg;
+}
+
 static irqreturn_t mmp_tdma_chan_handler(int irq, void *dev_id)
 {
 	struct mmp_tdma_chan *tdmac = dev_id;
 
 	if (mmp_tdma_clear_chan_irq(tdmac) == 0) {
-		tdmac->pos = (tdmac->pos + tdmac->period_len) % tdmac->buf_len;
 		tasklet_schedule(&tdmac->tasklet);
 		return IRQ_HANDLED;
 	} else
@@ -343,7 +361,7 @@ static void mmp_tdma_free_descriptor(struct mmp_tdma_chan *tdmac)
 	int size = tdmac->desc_num * sizeof(struct mmp_tdma_desc);
 
 	gpool = tdmac->pool;
-	if (tdmac->desc_arr)
+	if (gpool && tdmac->desc_arr)
 		gen_pool_free(gpool, (unsigned long)tdmac->desc_arr,
 				size);
 	tdmac->desc_arr = NULL;
@@ -499,6 +517,7 @@ static enum dma_status mmp_tdma_tx_status(struct dma_chan *chan,
 {
 	struct mmp_tdma_chan *tdmac = to_mmp_tdma_chan(chan);
 
+	tdmac->pos = mmp_tdma_get_pos(tdmac);
 	dma_set_tx_state(txstate, chan->completed_cookie, chan->cookie,
 			 tdmac->buf_len - tdmac->pos);
 
@@ -610,7 +629,7 @@ static int mmp_tdma_probe(struct platform_device *pdev)
 	int i, ret;
 	int irq = 0, irq_num = 0;
 	int chan_num = TDMA_CHANNEL_NUM;
-	struct gen_pool *pool;
+	struct gen_pool *pool = NULL;
 
 	of_id = of_match_device(mmp_tdma_dt_ids, &pdev->dev);
 	if (of_id)
diff --git a/drivers/dma/qcom_bam_dma.c b/drivers/dma/qcom_bam_dma.c
index d7a33b3ac466..9c914d625906 100644
--- a/drivers/dma/qcom_bam_dma.c
+++ b/drivers/dma/qcom_bam_dma.c
@@ -162,9 +162,9 @@ static const struct reg_offset_data bam_v1_4_reg_info[] = {
 	[BAM_P_IRQ_STTS]	= { 0x1010, 0x1000, 0x00, 0x00 },
 	[BAM_P_IRQ_CLR]		= { 0x1014, 0x1000, 0x00, 0x00 },
 	[BAM_P_IRQ_EN]		= { 0x1018, 0x1000, 0x00, 0x00 },
-	[BAM_P_EVNT_DEST_ADDR]	= { 0x102C, 0x00, 0x1000, 0x00 },
-	[BAM_P_EVNT_REG]	= { 0x1018, 0x00, 0x1000, 0x00 },
-	[BAM_P_SW_OFSTS]	= { 0x1000, 0x00, 0x1000, 0x00 },
+	[BAM_P_EVNT_DEST_ADDR]	= { 0x182C, 0x00, 0x1000, 0x00 },
+	[BAM_P_EVNT_REG]	= { 0x1818, 0x00, 0x1000, 0x00 },
+	[BAM_P_SW_OFSTS]	= { 0x1800, 0x00, 0x1000, 0x00 },
 	[BAM_P_DATA_FIFO_ADDR]	= { 0x1824, 0x00, 0x1000, 0x00 },
 	[BAM_P_DESC_FIFO_ADDR]	= { 0x181C, 0x00, 0x1000, 0x00 },
 	[BAM_P_EVNT_GEN_TRSHLD]	= { 0x1828, 0x00, 0x1000, 0x00 },
@@ -1143,6 +1143,10 @@ static int bam_dma_probe(struct platform_device *pdev)
 	dma_cap_set(DMA_SLAVE, bdev->common.cap_mask);
 
 	/* initialize dmaengine apis */
+	bdev->common.directions = BIT(DMA_DEV_TO_MEM) | BIT(DMA_MEM_TO_DEV);
+	bdev->common.residue_granularity = DMA_RESIDUE_GRANULARITY_SEGMENT;
+	bdev->common.src_addr_widths = DMA_SLAVE_BUSWIDTH_4_BYTES;
+	bdev->common.dst_addr_widths = DMA_SLAVE_BUSWIDTH_4_BYTES;
 	bdev->common.device_alloc_chan_resources = bam_alloc_chan;
 	bdev->common.device_free_chan_resources = bam_free_chan;
 	bdev->common.device_prep_slave_sg = bam_prep_slave_sg;
diff --git a/drivers/dma/sh/shdmac.c b/drivers/dma/sh/shdmac.c
index b2431aa30033..9f1d4c7dbab8 100644
--- a/drivers/dma/sh/shdmac.c
+++ b/drivers/dma/sh/shdmac.c
@@ -582,15 +582,12 @@ static void sh_dmae_chan_remove(struct sh_dmae_device *shdev)
 	}
 }
 
-static void sh_dmae_shutdown(struct platform_device *pdev)
-{
-	struct sh_dmae_device *shdev = platform_get_drvdata(pdev);
-	sh_dmae_ctl_stop(shdev);
-}
-
 #ifdef CONFIG_PM
 static int sh_dmae_runtime_suspend(struct device *dev)
 {
+	struct sh_dmae_device *shdev = dev_get_drvdata(dev);
+
+	sh_dmae_ctl_stop(shdev);
 	return 0;
 }
 
@@ -605,6 +602,9 @@ static int sh_dmae_runtime_resume(struct device *dev)
 #ifdef CONFIG_PM_SLEEP
 static int sh_dmae_suspend(struct device *dev)
 {
+	struct sh_dmae_device *shdev = dev_get_drvdata(dev);
+
+	sh_dmae_ctl_stop(shdev);
 	return 0;
 }
 
@@ -929,13 +929,12 @@ static int sh_dmae_remove(struct platform_device *pdev)
 }
 
 static struct platform_driver sh_dmae_driver = {
-	.driver 	= {
+	.driver		= {
 		.pm	= &sh_dmae_pm,
 		.name	= SH_DMAE_DRV_NAME,
 		.of_match_table = sh_dmae_of_match,
 	},
 	.remove		= sh_dmae_remove,
-	.shutdown	= sh_dmae_shutdown,
 };
 
 static int __init sh_dmae_init(void)
diff --git a/drivers/firmware/dmi_scan.c b/drivers/firmware/dmi_scan.c
index c5f7b4e9eb6c..69fac068669f 100644
--- a/drivers/firmware/dmi_scan.c
+++ b/drivers/firmware/dmi_scan.c
@@ -78,7 +78,7 @@ static const char * __init dmi_string(const struct dmi_header *dm, u8 s)
  *	We have to be cautious here. We have seen BIOSes with DMI pointers
  *	pointing to completely the wrong place for example
  */
-static void dmi_table(u8 *buf, int len, int num,
+static void dmi_table(u8 *buf, u32 len, int num,
 		      void (*decode)(const struct dmi_header *, void *),
 		      void *private_data)
 {
@@ -93,12 +93,6 @@ static void dmi_table(u8 *buf, int len, int num,
 		const struct dmi_header *dm = (const struct dmi_header *)data;
 
 		/*
-		 * 7.45 End-of-Table (Type 127) [SMBIOS reference spec v3.0.0]
-		 */
-		if (dm->type == DMI_ENTRY_END_OF_TABLE)
-			break;
-
-		/*
 		 *  We want to know the total length (formatted area and
 		 *  strings) before decoding to make sure we won't run off the
 		 *  table in dmi_decode or dmi_string
@@ -108,13 +102,20 @@ static void dmi_table(u8 *buf, int len, int num,
 			data++;
 		if (data - buf < len - 1)
 			decode(dm, private_data);
+
+		/*
+		 * 7.45 End-of-Table (Type 127) [SMBIOS reference spec v3.0.0]
+		 */
+		if (dm->type == DMI_ENTRY_END_OF_TABLE)
+			break;
+
 		data += 2;
 		i++;
 	}
 }
 
 static phys_addr_t dmi_base;
-static u16 dmi_len;
+static u32 dmi_len;
 static u16 dmi_num;
 
 static int __init dmi_walk_early(void (*decode)(const struct dmi_header *,
diff --git a/drivers/firmware/efi/libstub/efi-stub-helper.c b/drivers/firmware/efi/libstub/efi-stub-helper.c
index 2fe195002021..f07d4a67fa76 100644
--- a/drivers/firmware/efi/libstub/efi-stub-helper.c
+++ b/drivers/firmware/efi/libstub/efi-stub-helper.c
@@ -179,12 +179,12 @@ again:
 		start = desc->phys_addr;
 		end = start + desc->num_pages * (1UL << EFI_PAGE_SHIFT);
 
-		if ((start + size) > end || (start + size) > max)
-			continue;
-
-		if (end - size > max)
+		if (end > max)
 			end = max;
 
+		if ((start + size) > end)
+			continue;
+
 		if (round_down(end - size, align) < start)
 			continue;
 
diff --git a/drivers/gpio/gpio-tps65912.c b/drivers/gpio/gpio-tps65912.c
index 472fb5b8779f..9cdbc0c9cb2d 100644
--- a/drivers/gpio/gpio-tps65912.c
+++ b/drivers/gpio/gpio-tps65912.c
@@ -26,9 +26,12 @@ struct tps65912_gpio_data {
 	struct gpio_chip gpio_chip;
 };
 
+#define to_tgd(gc) container_of(gc, struct tps65912_gpio_data, gpio_chip)
+
 static int tps65912_gpio_get(struct gpio_chip *gc, unsigned offset)
 {
-	struct tps65912 *tps65912 = container_of(gc, struct tps65912, gpio);
+	struct tps65912_gpio_data *tps65912_gpio = to_tgd(gc);
+	struct tps65912 *tps65912 = tps65912_gpio->tps65912;
 	int val;
 
 	val = tps65912_reg_read(tps65912, TPS65912_GPIO1 + offset);
@@ -42,7 +45,8 @@ static int tps65912_gpio_get(struct gpio_chip *gc, unsigned offset)
 static void tps65912_gpio_set(struct gpio_chip *gc, unsigned offset,
 			      int value)
 {
-	struct tps65912 *tps65912 = container_of(gc, struct tps65912, gpio);
+	struct tps65912_gpio_data *tps65912_gpio = to_tgd(gc);
+	struct tps65912 *tps65912 = tps65912_gpio->tps65912;
 
 	if (value)
 		tps65912_set_bits(tps65912, TPS65912_GPIO1 + offset,
@@ -55,7 +59,8 @@ static void tps65912_gpio_set(struct gpio_chip *gc, unsigned offset,
 static int tps65912_gpio_output(struct gpio_chip *gc, unsigned offset,
 				int value)
 {
-	struct tps65912 *tps65912 = container_of(gc, struct tps65912, gpio);
+	struct tps65912_gpio_data *tps65912_gpio = to_tgd(gc);
+	struct tps65912 *tps65912 = tps65912_gpio->tps65912;
 
 	/* Set the initial value */
 	tps65912_gpio_set(gc, offset, value);
@@ -66,7 +71,8 @@ static int tps65912_gpio_output(struct gpio_chip *gc, unsigned offset,
 
 static int tps65912_gpio_input(struct gpio_chip *gc, unsigned offset)
 {
-	struct tps65912 *tps65912 = container_of(gc, struct tps65912, gpio);
+	struct tps65912_gpio_data *tps65912_gpio = to_tgd(gc);
+	struct tps65912 *tps65912 = tps65912_gpio->tps65912;
 
 	return tps65912_clear_bits(tps65912, TPS65912_GPIO1 + offset,
 								GPIO_CFG_MASK);
diff --git a/drivers/gpio/gpiolib-of.c b/drivers/gpio/gpiolib-of.c
index 8cad8e400b44..4650bf830d6b 100644
--- a/drivers/gpio/gpiolib-of.c
+++ b/drivers/gpio/gpiolib-of.c
@@ -46,12 +46,13 @@ static int of_gpiochip_find_and_xlate(struct gpio_chip *gc, void *data)
 
 	ret = gc->of_xlate(gc, &gg_data->gpiospec, gg_data->flags);
 	if (ret < 0) {
-		/* We've found the gpio chip, but the translation failed.
-		 * Return true to stop looking and return the translation
-		 * error via out_gpio
+		/* We've found a gpio chip, but the translation failed.
+		 * Store translation error in out_gpio.
+		 * Return false to keep looking, as more than one gpio chip
+		 * could be registered per of-node.
 		 */
 		gg_data->out_gpio = ERR_PTR(ret);
-		return true;
+		return false;
 	 }
 
 	gg_data->out_gpio = gpiochip_get_desc(gc, ret);
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
index b3589d0e39b9..910ff8ab9c9c 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
@@ -62,12 +62,18 @@ enum KFD_MQD_TYPE get_mqd_type_from_queue_type(enum kfd_queue_type type)
 	return KFD_MQD_TYPE_CP;
 }
 
-static inline unsigned int get_first_pipe(struct device_queue_manager *dqm)
+unsigned int get_first_pipe(struct device_queue_manager *dqm)
 {
-	BUG_ON(!dqm);
+	BUG_ON(!dqm || !dqm->dev);
 	return dqm->dev->shared_resources.first_compute_pipe;
 }
 
+unsigned int get_pipes_num(struct device_queue_manager *dqm)
+{
+	BUG_ON(!dqm || !dqm->dev);
+	return dqm->dev->shared_resources.compute_pipe_count;
+}
+
 static inline unsigned int get_pipes_num_cpsch(void)
 {
 	return PIPE_PER_ME_CP_SCHEDULING;
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.h b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.h
index d64f86cda34f..488f51d19427 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.h
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.h
@@ -163,6 +163,8 @@ void program_sh_mem_settings(struct device_queue_manager *dqm,
 					struct qcm_process_device *qpd);
 int init_pipelines(struct device_queue_manager *dqm,
 		unsigned int pipes_num, unsigned int first_pipe);
+unsigned int get_first_pipe(struct device_queue_manager *dqm);
+unsigned int get_pipes_num(struct device_queue_manager *dqm);
 
 extern inline unsigned int get_sh_mem_bases_32(struct kfd_process_device *pdd)
 {
@@ -175,10 +177,4 @@ get_sh_mem_bases_nybble_64(struct kfd_process_device *pdd)
 	return (pdd->lds_base >> 60) & 0x0E;
 }
 
-extern inline unsigned int get_pipes_num(struct device_queue_manager *dqm)
-{
-	BUG_ON(!dqm || !dqm->dev);
-	return dqm->dev->shared_resources.compute_pipe_count;
-}
-
 #endif /* KFD_DEVICE_QUEUE_MANAGER_H_ */
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager_cik.c b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager_cik.c
index 6b072466e2a6..5469efe0523e 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager_cik.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager_cik.c
@@ -131,5 +131,5 @@ static int register_process_cik(struct device_queue_manager *dqm,
 
 static int initialize_cpsch_cik(struct device_queue_manager *dqm)
 {
-	return init_pipelines(dqm, get_pipes_num(dqm), 0);
+	return init_pipelines(dqm, get_pipes_num(dqm), get_first_pipe(dqm));
 }
diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c
index 0409b907de5d..b3e3068c6ec0 100644
--- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c
+++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c
@@ -153,7 +153,7 @@ static int atmel_hlcdc_crtc_mode_set(struct drm_crtc *c,
 		     (adj->crtc_hdisplay - 1) |
 		     ((adj->crtc_vdisplay - 1) << 16));
 
-	cfg = ATMEL_HLCDC_CLKPOL;
+	cfg = 0;
 
 	prate = clk_get_rate(crtc->dc->hlcdc->sys_clk);
 	mode_rate = mode->crtc_clock * 1000;
diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c
index 7320a6c6613f..c1cb17493e0d 100644
--- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c
+++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c
@@ -311,8 +311,6 @@ static int atmel_hlcdc_dc_load(struct drm_device *dev)
 
 	pm_runtime_enable(dev->dev);
 
-	pm_runtime_put_sync(dev->dev);
-
 	ret = atmel_hlcdc_dc_modeset_init(dev);
 	if (ret < 0) {
 		dev_err(dev->dev, "failed to initialize mode setting\n");
diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_layer.c b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_layer.c
index 063d2a7b941f..e79bd9ba474b 100644
--- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_layer.c
+++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_layer.c
@@ -311,7 +311,8 @@ int atmel_hlcdc_layer_disable(struct atmel_hlcdc_layer *layer)
 
 	/* Disable the layer */
 	regmap_write(regmap, desc->regs_offset + ATMEL_HLCDC_LAYER_CHDR,
-		     ATMEL_HLCDC_LAYER_RST);
+		     ATMEL_HLCDC_LAYER_RST | ATMEL_HLCDC_LAYER_A2Q |
+		     ATMEL_HLCDC_LAYER_UPDATE);
 
 	/* Clear all pending interrupts */
 	regmap_read(regmap, desc->regs_offset + ATMEL_HLCDC_LAYER_ISR, &isr);
diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
index 6b00173d1be4..f6d04c7b5115 100644
--- a/drivers/gpu/drm/drm_crtc.c
+++ b/drivers/gpu/drm/drm_crtc.c
@@ -43,9 +43,10 @@
 #include "drm_crtc_internal.h"
 #include "drm_internal.h"
 
-static struct drm_framebuffer *add_framebuffer_internal(struct drm_device *dev,
-							struct drm_mode_fb_cmd2 *r,
-							struct drm_file *file_priv);
+static struct drm_framebuffer *
+internal_framebuffer_create(struct drm_device *dev,
+			    struct drm_mode_fb_cmd2 *r,
+			    struct drm_file *file_priv);
 
 /* Avoid boilerplate.  I'm tired of typing. */
 #define DRM_ENUM_NAME_FN(fnname, list)				\
@@ -2127,7 +2128,6 @@ int drm_mode_getconnector(struct drm_device *dev, void *data,
 	DRM_DEBUG_KMS("[CONNECTOR:%d:?]\n", out_resp->connector_id);
 
 	mutex_lock(&dev->mode_config.mutex);
-	drm_modeset_lock(&dev->mode_config.connection_mutex, NULL);
 
 	connector = drm_connector_find(dev, out_resp->connector_id);
 	if (!connector) {
@@ -2157,6 +2157,8 @@ int drm_mode_getconnector(struct drm_device *dev, void *data,
 	out_resp->mm_height = connector->display_info.height_mm;
 	out_resp->subpixel = connector->display_info.subpixel_order;
 	out_resp->connection = connector->status;
+
+	drm_modeset_lock(&dev->mode_config.connection_mutex, NULL);
 	encoder = drm_connector_get_encoder(connector);
 	if (encoder)
 		out_resp->encoder_id = encoder->base.id;
@@ -2907,13 +2909,11 @@ static int drm_mode_cursor_universal(struct drm_crtc *crtc,
 	 */
 	if (req->flags & DRM_MODE_CURSOR_BO) {
 		if (req->handle) {
-			fb = add_framebuffer_internal(dev, &fbreq, file_priv);
+			fb = internal_framebuffer_create(dev, &fbreq, file_priv);
 			if (IS_ERR(fb)) {
 				DRM_DEBUG_KMS("failed to wrap cursor buffer in drm framebuffer\n");
 				return PTR_ERR(fb);
 			}
-
-			drm_framebuffer_reference(fb);
 		} else {
 			fb = NULL;
 		}
@@ -3266,9 +3266,10 @@ static int framebuffer_check(const struct drm_mode_fb_cmd2 *r)
 	return 0;
 }
 
-static struct drm_framebuffer *add_framebuffer_internal(struct drm_device *dev,
-							struct drm_mode_fb_cmd2 *r,
-							struct drm_file *file_priv)
+static struct drm_framebuffer *
+internal_framebuffer_create(struct drm_device *dev,
+			    struct drm_mode_fb_cmd2 *r,
+			    struct drm_file *file_priv)
 {
 	struct drm_mode_config *config = &dev->mode_config;
 	struct drm_framebuffer *fb;
@@ -3300,12 +3301,6 @@ static struct drm_framebuffer *add_framebuffer_internal(struct drm_device *dev,
 		return fb;
 	}
 
-	mutex_lock(&file_priv->fbs_lock);
-	r->fb_id = fb->base.id;
-	list_add(&fb->filp_head, &file_priv->fbs);
-	DRM_DEBUG_KMS("[FB:%d]\n", fb->base.id);
-	mutex_unlock(&file_priv->fbs_lock);
-
 	return fb;
 }
 
@@ -3327,15 +3322,24 @@ static struct drm_framebuffer *add_framebuffer_internal(struct drm_device *dev,
 int drm_mode_addfb2(struct drm_device *dev,
 		    void *data, struct drm_file *file_priv)
 {
+	struct drm_mode_fb_cmd2 *r = data;
 	struct drm_framebuffer *fb;
 
 	if (!drm_core_check_feature(dev, DRIVER_MODESET))
 		return -EINVAL;
 
-	fb = add_framebuffer_internal(dev, data, file_priv);
+	fb = internal_framebuffer_create(dev, r, file_priv);
 	if (IS_ERR(fb))
 		return PTR_ERR(fb);
 
+	/* Transfer ownership to the filp for reaping on close */
+
+	DRM_DEBUG_KMS("[FB:%d]\n", fb->base.id);
+	mutex_lock(&file_priv->fbs_lock);
+	r->fb_id = fb->base.id;
+	list_add(&fb->filp_head, &file_priv->fbs);
+	mutex_unlock(&file_priv->fbs_lock);
+
 	return 0;
 }
 
diff --git a/drivers/gpu/drm/drm_dp_mst_topology.c b/drivers/gpu/drm/drm_dp_mst_topology.c
index 9a5b68717ec8..379ab4555756 100644
--- a/drivers/gpu/drm/drm_dp_mst_topology.c
+++ b/drivers/gpu/drm/drm_dp_mst_topology.c
@@ -733,10 +733,14 @@ static bool check_txmsg_state(struct drm_dp_mst_topology_mgr *mgr,
 			      struct drm_dp_sideband_msg_tx *txmsg)
 {
 	bool ret;
-	mutex_lock(&mgr->qlock);
+
+	/*
+	 * All updates to txmsg->state are protected by mgr->qlock, and the two
+	 * cases we check here are terminal states. For those the barriers
+	 * provided by the wake_up/wait_event pair are enough.
+	 */
 	ret = (txmsg->state == DRM_DP_SIDEBAND_TX_RX ||
 	       txmsg->state == DRM_DP_SIDEBAND_TX_TIMEOUT);
-	mutex_unlock(&mgr->qlock);
 	return ret;
 }
 
@@ -1363,12 +1367,13 @@ static int process_single_tx_qlock(struct drm_dp_mst_topology_mgr *mgr,
 	return 0;
 }
 
-/* must be called holding qlock */
 static void process_single_down_tx_qlock(struct drm_dp_mst_topology_mgr *mgr)
 {
 	struct drm_dp_sideband_msg_tx *txmsg;
 	int ret;
 
+	WARN_ON(!mutex_is_locked(&mgr->qlock));
+
 	/* construct a chunk from the first msg in the tx_msg queue */
 	if (list_empty(&mgr->tx_msg_downq)) {
 		mgr->tx_down_in_progress = false;
diff --git a/drivers/gpu/drm/drm_mm.c b/drivers/gpu/drm/drm_mm.c
index 04a209e2b66d..1134526286c8 100644
--- a/drivers/gpu/drm/drm_mm.c
+++ b/drivers/gpu/drm/drm_mm.c
@@ -91,29 +91,29 @@
  */
 
 static struct drm_mm_node *drm_mm_search_free_generic(const struct drm_mm *mm,
-						unsigned long size,
+						u64 size,
 						unsigned alignment,
 						unsigned long color,
 						enum drm_mm_search_flags flags);
 static struct drm_mm_node *drm_mm_search_free_in_range_generic(const struct drm_mm *mm,
-						unsigned long size,
+						u64 size,
 						unsigned alignment,
 						unsigned long color,
-						unsigned long start,
-						unsigned long end,
+						u64 start,
+						u64 end,
 						enum drm_mm_search_flags flags);
 
 static void drm_mm_insert_helper(struct drm_mm_node *hole_node,
 				 struct drm_mm_node *node,
-				 unsigned long size, unsigned alignment,
+				 u64 size, unsigned alignment,
 				 unsigned long color,
 				 enum drm_mm_allocator_flags flags)
 {
 	struct drm_mm *mm = hole_node->mm;
-	unsigned long hole_start = drm_mm_hole_node_start(hole_node);
-	unsigned long hole_end = drm_mm_hole_node_end(hole_node);
-	unsigned long adj_start = hole_start;
-	unsigned long adj_end = hole_end;
+	u64 hole_start = drm_mm_hole_node_start(hole_node);
+	u64 hole_end = drm_mm_hole_node_end(hole_node);
+	u64 adj_start = hole_start;
+	u64 adj_end = hole_end;
 
 	BUG_ON(node->allocated);
 
@@ -124,12 +124,15 @@ static void drm_mm_insert_helper(struct drm_mm_node *hole_node,
 		adj_start = adj_end - size;
 
 	if (alignment) {
-		unsigned tmp = adj_start % alignment;
-		if (tmp) {
+		u64 tmp = adj_start;
+		unsigned rem;
+
+		rem = do_div(tmp, alignment);
+		if (rem) {
 			if (flags & DRM_MM_CREATE_TOP)
-				adj_start -= tmp;
+				adj_start -= rem;
 			else
-				adj_start += alignment - tmp;
+				adj_start += alignment - rem;
 		}
 	}
 
@@ -176,9 +179,9 @@ static void drm_mm_insert_helper(struct drm_mm_node *hole_node,
 int drm_mm_reserve_node(struct drm_mm *mm, struct drm_mm_node *node)
 {
 	struct drm_mm_node *hole;
-	unsigned long end = node->start + node->size;
-	unsigned long hole_start;
-	unsigned long hole_end;
+	u64 end = node->start + node->size;
+	u64 hole_start;
+	u64 hole_end;
 
 	BUG_ON(node == NULL);
 
@@ -227,7 +230,7 @@ EXPORT_SYMBOL(drm_mm_reserve_node);
  * 0 on success, -ENOSPC if there's no suitable hole.
  */
 int drm_mm_insert_node_generic(struct drm_mm *mm, struct drm_mm_node *node,
-			       unsigned long size, unsigned alignment,
+			       u64 size, unsigned alignment,
 			       unsigned long color,
 			       enum drm_mm_search_flags sflags,
 			       enum drm_mm_allocator_flags aflags)
@@ -246,16 +249,16 @@ EXPORT_SYMBOL(drm_mm_insert_node_generic);
 
 static void drm_mm_insert_helper_range(struct drm_mm_node *hole_node,
 				       struct drm_mm_node *node,
-				       unsigned long size, unsigned alignment,
+				       u64 size, unsigned alignment,
 				       unsigned long color,
-				       unsigned long start, unsigned long end,
+				       u64 start, u64 end,
 				       enum drm_mm_allocator_flags flags)
 {
 	struct drm_mm *mm = hole_node->mm;
-	unsigned long hole_start = drm_mm_hole_node_start(hole_node);
-	unsigned long hole_end = drm_mm_hole_node_end(hole_node);
-	unsigned long adj_start = hole_start;
-	unsigned long adj_end = hole_end;
+	u64 hole_start = drm_mm_hole_node_start(hole_node);
+	u64 hole_end = drm_mm_hole_node_end(hole_node);
+	u64 adj_start = hole_start;
+	u64 adj_end = hole_end;
 
 	BUG_ON(!hole_node->hole_follows || node->allocated);
 
@@ -271,12 +274,15 @@ static void drm_mm_insert_helper_range(struct drm_mm_node *hole_node,
 		mm->color_adjust(hole_node, color, &adj_start, &adj_end);
 
 	if (alignment) {
-		unsigned tmp = adj_start % alignment;
-		if (tmp) {
+		u64 tmp = adj_start;
+		unsigned rem;
+
+		rem = do_div(tmp, alignment);
+		if (rem) {
 			if (flags & DRM_MM_CREATE_TOP)
-				adj_start -= tmp;
+				adj_start -= rem;
 			else
-				adj_start += alignment - tmp;
+				adj_start += alignment - rem;
 		}
 	}
 
@@ -324,9 +330,9 @@ static void drm_mm_insert_helper_range(struct drm_mm_node *hole_node,
  * 0 on success, -ENOSPC if there's no suitable hole.
  */
 int drm_mm_insert_node_in_range_generic(struct drm_mm *mm, struct drm_mm_node *node,
-					unsigned long size, unsigned alignment,
+					u64 size, unsigned alignment,
 					unsigned long color,
-					unsigned long start, unsigned long end,
+					u64 start, u64 end,
 					enum drm_mm_search_flags sflags,
 					enum drm_mm_allocator_flags aflags)
 {
@@ -387,32 +393,34 @@ void drm_mm_remove_node(struct drm_mm_node *node)
 }
 EXPORT_SYMBOL(drm_mm_remove_node);
 
-static int check_free_hole(unsigned long start, unsigned long end,
-			   unsigned long size, unsigned alignment)
+static int check_free_hole(u64 start, u64 end, u64 size, unsigned alignment)
 {
 	if (end - start < size)
 		return 0;
 
 	if (alignment) {
-		unsigned tmp = start % alignment;
-		if (tmp)
-			start += alignment - tmp;
+		u64 tmp = start;
+		unsigned rem;
+
+		rem = do_div(tmp, alignment);
+		if (rem)
+			start += alignment - rem;
 	}
 
 	return end >= start + size;
 }
 
 static struct drm_mm_node *drm_mm_search_free_generic(const struct drm_mm *mm,
-						      unsigned long size,
+						      u64 size,
 						      unsigned alignment,
 						      unsigned long color,
 						      enum drm_mm_search_flags flags)
 {
 	struct drm_mm_node *entry;
 	struct drm_mm_node *best;
-	unsigned long adj_start;
-	unsigned long adj_end;
-	unsigned long best_size;
+	u64 adj_start;
+	u64 adj_end;
+	u64 best_size;
 
 	BUG_ON(mm->scanned_blocks);
 
@@ -421,7 +429,7 @@ static struct drm_mm_node *drm_mm_search_free_generic(const struct drm_mm *mm,
 
 	__drm_mm_for_each_hole(entry, mm, adj_start, adj_end,
 			       flags & DRM_MM_SEARCH_BELOW) {
-		unsigned long hole_size = adj_end - adj_start;
+		u64 hole_size = adj_end - adj_start;
 
 		if (mm->color_adjust) {
 			mm->color_adjust(entry, color, &adj_start, &adj_end);
@@ -445,18 +453,18 @@ static struct drm_mm_node *drm_mm_search_free_generic(const struct drm_mm *mm,
 }
 
 static struct drm_mm_node *drm_mm_search_free_in_range_generic(const struct drm_mm *mm,
-							unsigned long size,
+							u64 size,
 							unsigned alignment,
 							unsigned long color,
-							unsigned long start,
-							unsigned long end,
+							u64 start,
+							u64 end,
 							enum drm_mm_search_flags flags)
 {
 	struct drm_mm_node *entry;
 	struct drm_mm_node *best;
-	unsigned long adj_start;
-	unsigned long adj_end;
-	unsigned long best_size;
+	u64 adj_start;
+	u64 adj_end;
+	u64 best_size;
 
 	BUG_ON(mm->scanned_blocks);
 
@@ -465,7 +473,7 @@ static struct drm_mm_node *drm_mm_search_free_in_range_generic(const struct drm_
 
 	__drm_mm_for_each_hole(entry, mm, adj_start, adj_end,
 			       flags & DRM_MM_SEARCH_BELOW) {
-		unsigned long hole_size = adj_end - adj_start;
+		u64 hole_size = adj_end - adj_start;
 
 		if (adj_start < start)
 			adj_start = start;
@@ -561,7 +569,7 @@ EXPORT_SYMBOL(drm_mm_replace_node);
  * adding/removing nodes to/from the scan list are allowed.
  */
 void drm_mm_init_scan(struct drm_mm *mm,
-		      unsigned long size,
+		      u64 size,
 		      unsigned alignment,
 		      unsigned long color)
 {
@@ -594,11 +602,11 @@ EXPORT_SYMBOL(drm_mm_init_scan);
  * adding/removing nodes to/from the scan list are allowed.
  */
 void drm_mm_init_scan_with_range(struct drm_mm *mm,
-				 unsigned long size,
+				 u64 size,
 				 unsigned alignment,
 				 unsigned long color,
-				 unsigned long start,
-				 unsigned long end)
+				 u64 start,
+				 u64 end)
 {
 	mm->scan_color = color;
 	mm->scan_alignment = alignment;
@@ -627,8 +635,8 @@ bool drm_mm_scan_add_block(struct drm_mm_node *node)
 {
 	struct drm_mm *mm = node->mm;
 	struct drm_mm_node *prev_node;
-	unsigned long hole_start, hole_end;
-	unsigned long adj_start, adj_end;
+	u64 hole_start, hole_end;
+	u64 adj_start, adj_end;
 
 	mm->scanned_blocks++;
 
@@ -731,7 +739,7 @@ EXPORT_SYMBOL(drm_mm_clean);
  *
  * Note that @mm must be cleared to 0 before calling this function.
  */
-void drm_mm_init(struct drm_mm * mm, unsigned long start, unsigned long size)
+void drm_mm_init(struct drm_mm * mm, u64 start, u64 size)
 {
 	INIT_LIST_HEAD(&mm->hole_stack);
 	mm->scanned_blocks = 0;
@@ -766,18 +774,17 @@ void drm_mm_takedown(struct drm_mm * mm)
 }
 EXPORT_SYMBOL(drm_mm_takedown);
 
-static unsigned long drm_mm_debug_hole(struct drm_mm_node *entry,
-				       const char *prefix)
+static u64 drm_mm_debug_hole(struct drm_mm_node *entry,
+				     const char *prefix)
 {
-	unsigned long hole_start, hole_end, hole_size;
+	u64 hole_start, hole_end, hole_size;
 
 	if (entry->hole_follows) {
 		hole_start = drm_mm_hole_node_start(entry);
 		hole_end = drm_mm_hole_node_end(entry);
 		hole_size = hole_end - hole_start;
-		printk(KERN_DEBUG "%s 0x%08lx-0x%08lx: %8lu: free\n",
-			prefix, hole_start, hole_end,
-			hole_size);
+		pr_debug("%s %#llx-%#llx: %llu: free\n", prefix, hole_start,
+			 hole_end, hole_size);
 		return hole_size;
 	}
 
@@ -792,35 +799,34 @@ static unsigned long drm_mm_debug_hole(struct drm_mm_node *entry,
 void drm_mm_debug_table(struct drm_mm *mm, const char *prefix)
 {
 	struct drm_mm_node *entry;
-	unsigned long total_used = 0, total_free = 0, total = 0;
+	u64 total_used = 0, total_free = 0, total = 0;
 
 	total_free += drm_mm_debug_hole(&mm->head_node, prefix);
 
 	drm_mm_for_each_node(entry, mm) {
-		printk(KERN_DEBUG "%s 0x%08lx-0x%08lx: %8lu: used\n",
-			prefix, entry->start, entry->start + entry->size,
-			entry->size);
+		pr_debug("%s %#llx-%#llx: %llu: used\n", prefix, entry->start,
+			 entry->start + entry->size, entry->size);
 		total_used += entry->size;
 		total_free += drm_mm_debug_hole(entry, prefix);
 	}
 	total = total_free + total_used;
 
-	printk(KERN_DEBUG "%s total: %lu, used %lu free %lu\n", prefix, total,
-		total_used, total_free);
+	pr_debug("%s total: %llu, used %llu free %llu\n", prefix, total,
+		 total_used, total_free);
 }
 EXPORT_SYMBOL(drm_mm_debug_table);
 
 #if defined(CONFIG_DEBUG_FS)
-static unsigned long drm_mm_dump_hole(struct seq_file *m, struct drm_mm_node *entry)
+static u64 drm_mm_dump_hole(struct seq_file *m, struct drm_mm_node *entry)
 {
-	unsigned long hole_start, hole_end, hole_size;
+	u64 hole_start, hole_end, hole_size;
 
 	if (entry->hole_follows) {
 		hole_start = drm_mm_hole_node_start(entry);
 		hole_end = drm_mm_hole_node_end(entry);
 		hole_size = hole_end - hole_start;
-		seq_printf(m, "0x%08lx-0x%08lx: 0x%08lx: free\n",
-				hole_start, hole_end, hole_size);
+		seq_printf(m, "%#llx-%#llx: %llu: free\n", hole_start,
+			   hole_end, hole_size);
 		return hole_size;
 	}
 
@@ -835,20 +841,20 @@ static unsigned long drm_mm_dump_hole(struct seq_file *m, struct drm_mm_node *en
 int drm_mm_dump_table(struct seq_file *m, struct drm_mm *mm)
 {
 	struct drm_mm_node *entry;
-	unsigned long total_used = 0, total_free = 0, total = 0;
+	u64 total_used = 0, total_free = 0, total = 0;
 
 	total_free += drm_mm_dump_hole(m, &mm->head_node);
 
 	drm_mm_for_each_node(entry, mm) {
-		seq_printf(m, "0x%08lx-0x%08lx: 0x%08lx: used\n",
-				entry->start, entry->start + entry->size,
-				entry->size);
+		seq_printf(m, "%#016llx-%#016llx: %llu: used\n", entry->start,
+			   entry->start + entry->size, entry->size);
 		total_used += entry->size;
 		total_free += drm_mm_dump_hole(m, entry);
 	}
 	total = total_free + total_used;
 
-	seq_printf(m, "total: %lu, used %lu free %lu\n", total, total_used, total_free);
+	seq_printf(m, "total: %llu, used %llu free %llu\n", total,
+		   total_used, total_free);
 	return 0;
 }
 EXPORT_SYMBOL(drm_mm_dump_table);
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index 96e811fe24ca..e8b18e542da4 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -152,12 +152,12 @@ describe_obj(struct seq_file *m, struct drm_i915_gem_object *obj)
 			seq_puts(m, " (pp");
 		else
 			seq_puts(m, " (g");
-		seq_printf(m, "gtt offset: %08lx, size: %08lx, type: %u)",
+		seq_printf(m, "gtt offset: %08llx, size: %08llx, type: %u)",
 			   vma->node.start, vma->node.size,
 			   vma->ggtt_view.type);
 	}
 	if (obj->stolen)
-		seq_printf(m, " (stolen: %08lx)", obj->stolen->start);
+		seq_printf(m, " (stolen: %08llx)", obj->stolen->start);
 	if (obj->pin_mappable || obj->fault_mappable) {
 		char s[3], *t = s;
 		if (obj->pin_mappable)
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index 8039cec71fc2..cc6ea53d2b81 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -622,7 +622,7 @@ static int i915_drm_suspend(struct drm_device *dev)
 	return 0;
 }
 
-static int i915_drm_suspend_late(struct drm_device *drm_dev)
+static int i915_drm_suspend_late(struct drm_device *drm_dev, bool hibernation)
 {
 	struct drm_i915_private *dev_priv = drm_dev->dev_private;
 	int ret;
@@ -636,7 +636,17 @@ static int i915_drm_suspend_late(struct drm_device *drm_dev)
 	}
 
 	pci_disable_device(drm_dev->pdev);
-	pci_set_power_state(drm_dev->pdev, PCI_D3hot);
+	/*
+	 * During hibernation on some GEN4 platforms the BIOS may try to access
+	 * the device even though it's already in D3 and hang the machine. So
+	 * leave the device in D0 on those platforms and hope the BIOS will
+	 * power down the device properly. Platforms where this was seen:
+	 * Lenovo Thinkpad X301, X61s
+	 */
+	if (!(hibernation &&
+	      drm_dev->pdev->subsystem_vendor == PCI_VENDOR_ID_LENOVO &&
+	      INTEL_INFO(dev_priv)->gen == 4))
+		pci_set_power_state(drm_dev->pdev, PCI_D3hot);
 
 	return 0;
 }
@@ -662,7 +672,7 @@ int i915_suspend_legacy(struct drm_device *dev, pm_message_t state)
 	if (error)
 		return error;
 
-	return i915_drm_suspend_late(dev);
+	return i915_drm_suspend_late(dev, false);
 }
 
 static int i915_drm_resume(struct drm_device *dev)
@@ -950,7 +960,17 @@ static int i915_pm_suspend_late(struct device *dev)
 	if (drm_dev->switch_power_state == DRM_SWITCH_POWER_OFF)
 		return 0;
 
-	return i915_drm_suspend_late(drm_dev);
+	return i915_drm_suspend_late(drm_dev, false);
+}
+
+static int i915_pm_poweroff_late(struct device *dev)
+{
+	struct drm_device *drm_dev = dev_to_i915(dev)->dev;
+
+	if (drm_dev->switch_power_state == DRM_SWITCH_POWER_OFF)
+		return 0;
+
+	return i915_drm_suspend_late(drm_dev, true);
 }
 
 static int i915_pm_resume_early(struct device *dev)
@@ -1520,7 +1540,7 @@ static const struct dev_pm_ops i915_pm_ops = {
 	.thaw_early = i915_pm_resume_early,
 	.thaw = i915_pm_resume,
 	.poweroff = i915_pm_suspend,
-	.poweroff_late = i915_pm_suspend_late,
+	.poweroff_late = i915_pm_poweroff_late,
 	.restore_early = i915_pm_resume_early,
 	.restore = i915_pm_resume,
 
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index f2a825e39646..8727086cf48c 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -2114,6 +2114,9 @@ void i915_gem_track_fb(struct drm_i915_gem_object *old,
  * number comparisons on buffer last_read|write_seqno. It also allows an
  * emission time to be associated with the request for tracking how far ahead
  * of the GPU the submission is.
+ *
+ * The requests are reference counted, so upon creation they should have an
+ * initial reference taken using kref_init
  */
 struct drm_i915_gem_request {
 	struct kref ref;
@@ -2137,7 +2140,16 @@ struct drm_i915_gem_request {
 	/** Position in the ringbuffer of the end of the whole request */
 	u32 tail;
 
-	/** Context related to this request */
+	/**
+	 * Context related to this request
+	 * Contexts are refcounted, so when this request is associated with a
+	 * context, we must increment the context's refcount, to guarantee that
+	 * it persists while any request is linked to it. Requests themselves
+	 * are also refcounted, so the request will only be freed when the last
+	 * reference to it is dismissed, and the code in
+	 * i915_gem_request_free() will then decrement the refcount on the
+	 * context.
+	 */
 	struct intel_context *ctx;
 
 	/** Batch buffer related to this request if any */
@@ -2374,6 +2386,7 @@ struct drm_i915_cmd_table {
 				 (INTEL_DEVID(dev) & 0xFF00) == 0x0C00)
 #define IS_BDW_ULT(dev)		(IS_BROADWELL(dev) && \
 				 ((INTEL_DEVID(dev) & 0xf) == 0x6 ||	\
+				 (INTEL_DEVID(dev) & 0xf) == 0xb ||	\
 				 (INTEL_DEVID(dev) & 0xf) == 0xe))
 #define IS_BDW_GT3(dev)		(IS_BROADWELL(dev) && \
 				 (INTEL_DEVID(dev) & 0x00F0) == 0x0020)
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index c26d36cc4b31..5b205863b659 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -2659,8 +2659,7 @@ static void i915_gem_reset_ring_cleanup(struct drm_i915_private *dev_priv,
 		if (submit_req->ctx != ring->default_context)
 			intel_lr_context_unpin(ring, submit_req->ctx);
 
-		i915_gem_context_unreference(submit_req->ctx);
-		kfree(submit_req);
+		i915_gem_request_unreference(submit_req);
 	}
 
 	/*
@@ -2937,9 +2936,9 @@ i915_gem_wait_ioctl(struct drm_device *dev, void *data, struct drm_file *file)
 	req = obj->last_read_req;
 
 	/* Do this after OLR check to make sure we make forward progress polling
-	 * on this IOCTL with a timeout <=0 (like busy ioctl)
+	 * on this IOCTL with a timeout == 0 (like busy ioctl)
 	 */
-	if (args->timeout_ns <= 0) {
+	if (args->timeout_ns == 0) {
 		ret = -ETIME;
 		goto out;
 	}
@@ -2949,7 +2948,8 @@ i915_gem_wait_ioctl(struct drm_device *dev, void *data, struct drm_file *file)
 	i915_gem_request_reference(req);
 	mutex_unlock(&dev->struct_mutex);
 
-	ret = __i915_wait_request(req, reset_counter, true, &args->timeout_ns,
+	ret = __i915_wait_request(req, reset_counter, true,
+				  args->timeout_ns > 0 ? &args->timeout_ns : NULL,
 				  file->driver_priv);
 	mutex_lock(&dev->struct_mutex);
 	i915_gem_request_unreference(req);
@@ -4793,6 +4793,9 @@ i915_gem_init_hw(struct drm_device *dev)
 	if (INTEL_INFO(dev)->gen < 6 && !intel_enable_gtt())
 		return -EIO;
 
+	/* Double layer security blanket, see i915_gem_init() */
+	intel_uncore_forcewake_get(dev_priv, FORCEWAKE_ALL);
+
 	if (dev_priv->ellc_size)
 		I915_WRITE(HSW_IDICR, I915_READ(HSW_IDICR) | IDIHASHMSK(0xf));
 
@@ -4825,7 +4828,7 @@ i915_gem_init_hw(struct drm_device *dev)
 	for_each_ring(ring, dev_priv, i) {
 		ret = ring->init_hw(ring);
 		if (ret)
-			return ret;
+			goto out;
 	}
 
 	for (i = 0; i < NUM_L3_SLICES(dev); i++)
@@ -4842,9 +4845,11 @@ i915_gem_init_hw(struct drm_device *dev)
 		DRM_ERROR("Context enable failed %d\n", ret);
 		i915_gem_cleanup_ringbuffer(dev);
 
-		return ret;
+		goto out;
 	}
 
+out:
+	intel_uncore_forcewake_put(dev_priv, FORCEWAKE_ALL);
 	return ret;
 }
 
@@ -4878,6 +4883,14 @@ int i915_gem_init(struct drm_device *dev)
 		dev_priv->gt.stop_ring = intel_logical_ring_stop;
 	}
 
+	/* This is just a security blanket to placate dragons.
+	 * On some systems, we very sporadically observe that the first TLBs
+	 * used by the CS may be stale, despite us poking the TLB reset. If
+	 * we hold the forcewake during initialisation these problems
+	 * just magically go away.
+	 */
+	intel_uncore_forcewake_get(dev_priv, FORCEWAKE_ALL);
+
 	ret = i915_gem_init_userptr(dev);
 	if (ret)
 		goto out_unlock;
@@ -4904,6 +4917,7 @@ int i915_gem_init(struct drm_device *dev)
 	}
 
 out_unlock:
+	intel_uncore_forcewake_put(dev_priv, FORCEWAKE_ALL);
 	mutex_unlock(&dev->struct_mutex);
 
 	return ret;
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c
index 746f77fb57a3..dccdc8aad2e2 100644
--- a/drivers/gpu/drm/i915/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
@@ -1145,7 +1145,7 @@ static int gen6_ppgtt_init(struct i915_hw_ppgtt *ppgtt)
 
 	ppgtt->base.clear_range(&ppgtt->base, 0, ppgtt->base.total, true);
 
-	DRM_DEBUG_DRIVER("Allocated pde space (%ldM) at GTT entry: %lx\n",
+	DRM_DEBUG_DRIVER("Allocated pde space (%lldM) at GTT entry: %llx\n",
 			 ppgtt->node.size >> 20,
 			 ppgtt->node.start / PAGE_SIZE);
 
@@ -1713,8 +1713,8 @@ void i915_gem_gtt_finish_object(struct drm_i915_gem_object *obj)
 
 static void i915_gtt_color_adjust(struct drm_mm_node *node,
 				  unsigned long color,
-				  unsigned long *start,
-				  unsigned long *end)
+				  u64 *start,
+				  u64 *end)
 {
 	if (node->color != color)
 		*start += 4096;
diff --git a/drivers/gpu/drm/i915/i915_gem_stolen.c b/drivers/gpu/drm/i915/i915_gem_stolen.c
index a2045848bd1a..9c6f93ec886b 100644
--- a/drivers/gpu/drm/i915/i915_gem_stolen.c
+++ b/drivers/gpu/drm/i915/i915_gem_stolen.c
@@ -485,10 +485,8 @@ i915_gem_object_create_stolen_for_preallocated(struct drm_device *dev,
 			stolen_offset, gtt_offset, size);
 
 	/* KISS and expect everything to be page-aligned */
-	BUG_ON(stolen_offset & 4095);
-	BUG_ON(size & 4095);
-
-	if (WARN_ON(size == 0))
+	if (WARN_ON(size == 0) || WARN_ON(size & 4095) ||
+	    WARN_ON(stolen_offset & 4095))
 		return NULL;
 
 	stolen = kzalloc(sizeof(*stolen), GFP_KERNEL);
diff --git a/drivers/gpu/drm/i915/i915_gem_tiling.c b/drivers/gpu/drm/i915/i915_gem_tiling.c
index 7a24bd1a51f6..6377b22269ad 100644
--- a/drivers/gpu/drm/i915/i915_gem_tiling.c
+++ b/drivers/gpu/drm/i915/i915_gem_tiling.c
@@ -335,9 +335,10 @@ i915_gem_set_tiling(struct drm_device *dev, void *data,
 		return -EINVAL;
 	}
 
+	mutex_lock(&dev->struct_mutex);
 	if (i915_gem_obj_is_pinned(obj) || obj->framebuffer_references) {
-		drm_gem_object_unreference_unlocked(&obj->base);
-		return -EBUSY;
+		ret = -EBUSY;
+		goto err;
 	}
 
 	if (args->tiling_mode == I915_TILING_NONE) {
@@ -369,7 +370,6 @@ i915_gem_set_tiling(struct drm_device *dev, void *data,
 		}
 	}
 
-	mutex_lock(&dev->struct_mutex);
 	if (args->tiling_mode != obj->tiling_mode ||
 	    args->stride != obj->stride) {
 		/* We need to rebind the object if its current allocation
@@ -424,6 +424,7 @@ i915_gem_set_tiling(struct drm_device *dev, void *data,
 		obj->bit_17 = NULL;
 	}
 
+err:
 	drm_gem_object_unreference(&obj->base);
 	mutex_unlock(&dev->struct_mutex);
 
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index 4145d95902f5..ede5bbbd8a08 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -1892,6 +1892,9 @@ static irqreturn_t valleyview_irq_handler(int irq, void *arg)
 	u32 iir, gt_iir, pm_iir;
 	irqreturn_t ret = IRQ_NONE;
 
+	if (!intel_irqs_enabled(dev_priv))
+		return IRQ_NONE;
+
 	while (true) {
 		/* Find, clear, then process each source of interrupt */
 
@@ -1936,6 +1939,9 @@ static irqreturn_t cherryview_irq_handler(int irq, void *arg)
 	u32 master_ctl, iir;
 	irqreturn_t ret = IRQ_NONE;
 
+	if (!intel_irqs_enabled(dev_priv))
+		return IRQ_NONE;
+
 	for (;;) {
 		master_ctl = I915_READ(GEN8_MASTER_IRQ) & ~GEN8_MASTER_IRQ_CONTROL;
 		iir = I915_READ(VLV_IIR);
@@ -2208,6 +2214,9 @@ static irqreturn_t ironlake_irq_handler(int irq, void *arg)
 	u32 de_iir, gt_iir, de_ier, sde_ier = 0;
 	irqreturn_t ret = IRQ_NONE;
 
+	if (!intel_irqs_enabled(dev_priv))
+		return IRQ_NONE;
+
 	/* We get interrupts on unclaimed registers, so check for this before we
 	 * do any I915_{READ,WRITE}. */
 	intel_uncore_check_errors(dev);
@@ -2279,6 +2288,9 @@ static irqreturn_t gen8_irq_handler(int irq, void *arg)
 	enum pipe pipe;
 	u32 aux_mask = GEN8_AUX_CHANNEL_A;
 
+	if (!intel_irqs_enabled(dev_priv))
+		return IRQ_NONE;
+
 	if (IS_GEN9(dev))
 		aux_mask |=  GEN9_AUX_CHANNEL_B | GEN9_AUX_CHANNEL_C |
 			GEN9_AUX_CHANNEL_D;
@@ -3771,6 +3783,9 @@ static irqreturn_t i8xx_irq_handler(int irq, void *arg)
 		I915_DISPLAY_PLANE_A_FLIP_PENDING_INTERRUPT |
 		I915_DISPLAY_PLANE_B_FLIP_PENDING_INTERRUPT;
 
+	if (!intel_irqs_enabled(dev_priv))
+		return IRQ_NONE;
+
 	iir = I915_READ16(IIR);
 	if (iir == 0)
 		return IRQ_NONE;
@@ -3951,6 +3966,9 @@ static irqreturn_t i915_irq_handler(int irq, void *arg)
 		I915_DISPLAY_PLANE_B_FLIP_PENDING_INTERRUPT;
 	int pipe, ret = IRQ_NONE;
 
+	if (!intel_irqs_enabled(dev_priv))
+		return IRQ_NONE;
+
 	iir = I915_READ(IIR);
 	do {
 		bool irq_received = (iir & ~flip_mask) != 0;
@@ -4171,6 +4189,9 @@ static irqreturn_t i965_irq_handler(int irq, void *arg)
 		I915_DISPLAY_PLANE_A_FLIP_PENDING_INTERRUPT |
 		I915_DISPLAY_PLANE_B_FLIP_PENDING_INTERRUPT;
 
+	if (!intel_irqs_enabled(dev_priv))
+		return IRQ_NONE;
+
 	iir = I915_READ(IIR);
 
 	for (;;) {
@@ -4520,6 +4541,7 @@ void intel_runtime_pm_disable_interrupts(struct drm_i915_private *dev_priv)
 {
 	dev_priv->dev->driver->irq_uninstall(dev_priv->dev);
 	dev_priv->pm.irqs_enabled = false;
+	synchronize_irq(dev_priv->dev->irq);
 }
 
 /**
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 3d220a67f865..9943c20a741d 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -2371,13 +2371,19 @@ intel_alloc_plane_obj(struct intel_crtc *crtc,
 	struct drm_device *dev = crtc->base.dev;
 	struct drm_i915_gem_object *obj = NULL;
 	struct drm_mode_fb_cmd2 mode_cmd = { 0 };
-	u32 base = plane_config->base;
+	u32 base_aligned = round_down(plane_config->base, PAGE_SIZE);
+	u32 size_aligned = round_up(plane_config->base + plane_config->size,
+				    PAGE_SIZE);
+
+	size_aligned -= base_aligned;
 
 	if (plane_config->size == 0)
 		return false;
 
-	obj = i915_gem_object_create_stolen_for_preallocated(dev, base, base,
-							     plane_config->size);
+	obj = i915_gem_object_create_stolen_for_preallocated(dev,
+							     base_aligned,
+							     base_aligned,
+							     size_aligned);
 	if (!obj)
 		return false;
 
@@ -2725,10 +2731,19 @@ static void skylake_update_primary_plane(struct drm_crtc *crtc,
 	case DRM_FORMAT_XRGB8888:
 		plane_ctl |= PLANE_CTL_FORMAT_XRGB_8888;
 		break;
+	case DRM_FORMAT_ARGB8888:
+		plane_ctl |= PLANE_CTL_FORMAT_XRGB_8888;
+		plane_ctl |= PLANE_CTL_ALPHA_SW_PREMULTIPLY;
+		break;
 	case DRM_FORMAT_XBGR8888:
 		plane_ctl |= PLANE_CTL_ORDER_RGBX;
 		plane_ctl |= PLANE_CTL_FORMAT_XRGB_8888;
 		break;
+	case DRM_FORMAT_ABGR8888:
+		plane_ctl |= PLANE_CTL_ORDER_RGBX;
+		plane_ctl |= PLANE_CTL_FORMAT_XRGB_8888;
+		plane_ctl |= PLANE_CTL_ALPHA_SW_PREMULTIPLY;
+		break;
 	case DRM_FORMAT_XRGB2101010:
 		plane_ctl |= PLANE_CTL_FORMAT_XRGB_2101010;
 		break;
@@ -6627,7 +6642,7 @@ i9xx_get_initial_plane_config(struct intel_crtc *crtc,
 	aligned_height = intel_fb_align_height(dev, fb->height,
 					       plane_config->tiling);
 
-	plane_config->size = PAGE_ALIGN(fb->pitches[0] * aligned_height);
+	plane_config->size = fb->pitches[0] * aligned_height;
 
 	DRM_DEBUG_KMS("pipe/plane %c/%d with fb: size=%dx%d@%d, offset=%x, pitch %d, size 0x%x\n",
 		      pipe_name(pipe), plane, fb->width, fb->height,
@@ -7664,7 +7679,7 @@ skylake_get_initial_plane_config(struct intel_crtc *crtc,
 	aligned_height = intel_fb_align_height(dev, fb->height,
 					       plane_config->tiling);
 
-	plane_config->size = ALIGN(fb->pitches[0] * aligned_height, PAGE_SIZE);
+	plane_config->size = fb->pitches[0] * aligned_height;
 
 	DRM_DEBUG_KMS("pipe %c with fb: size=%dx%d@%d, offset=%x, pitch %d, size 0x%x\n",
 		      pipe_name(pipe), fb->width, fb->height,
@@ -7755,7 +7770,7 @@ ironlake_get_initial_plane_config(struct intel_crtc *crtc,
 	aligned_height = intel_fb_align_height(dev, fb->height,
 					       plane_config->tiling);
 
-	plane_config->size = PAGE_ALIGN(fb->pitches[0] * aligned_height);
+	plane_config->size = fb->pitches[0] * aligned_height;
 
 	DRM_DEBUG_KMS("pipe %c with fb: size=%dx%d@%d, offset=%x, pitch %d, size 0x%x\n",
 		      pipe_name(pipe), fb->width, fb->height,
@@ -8698,6 +8713,7 @@ retry:
 			old->release_fb->funcs->destroy(old->release_fb);
 		goto fail;
 	}
+	crtc->primary->crtc = crtc;
 
 	/* let the connector get through one full cycle before testing */
 	intel_wait_for_vblank(dev, intel_crtc->pipe);
@@ -9700,7 +9716,7 @@ void intel_check_page_flip(struct drm_device *dev, int pipe)
 	struct drm_crtc *crtc = dev_priv->pipe_to_crtc_mapping[pipe];
 	struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
 
-	WARN_ON(!in_irq());
+	WARN_ON(!in_interrupt());
 
 	if (crtc == NULL)
 		return;
@@ -12182,9 +12198,6 @@ intel_check_cursor_plane(struct drm_plane *plane,
 		return -ENOMEM;
 	}
 
-	if (fb == crtc->cursor->fb)
-		return 0;
-
 	/* we only need to pin inside GTT if cursor is non-phy */
 	mutex_lock(&dev->struct_mutex);
 	if (!INTEL_INFO(dev)->cursor_needs_physical && obj->tiling_mode) {
@@ -13096,6 +13109,9 @@ static struct intel_quirk intel_quirks[] = {
 
 	/* HP Chromebook 14 (Celeron 2955U) */
 	{ 0x0a06, 0x103c, 0x21ed, quirk_backlight_present },
+
+	/* Dell Chromebook 11 */
+	{ 0x0a06, 0x1028, 0x0a35, quirk_backlight_present },
 };
 
 static void intel_init_quirks(struct drm_device *dev)
diff --git a/drivers/gpu/drm/i915/intel_fifo_underrun.c b/drivers/gpu/drm/i915/intel_fifo_underrun.c
index 04e248dd2259..54daa66c6970 100644
--- a/drivers/gpu/drm/i915/intel_fifo_underrun.c
+++ b/drivers/gpu/drm/i915/intel_fifo_underrun.c
@@ -282,16 +282,6 @@ bool intel_set_cpu_fifo_underrun_reporting(struct drm_i915_private *dev_priv,
 	return ret;
 }
 
-static bool
-__cpu_fifo_underrun_reporting_enabled(struct drm_i915_private *dev_priv,
-				      enum pipe pipe)
-{
-	struct drm_crtc *crtc = dev_priv->pipe_to_crtc_mapping[pipe];
-	struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
-
-	return !intel_crtc->cpu_fifo_underrun_disabled;
-}
-
 /**
  * intel_set_pch_fifo_underrun_reporting - set PCH fifo underrun reporting state
  * @dev_priv: i915 device instance
@@ -352,9 +342,15 @@ bool intel_set_pch_fifo_underrun_reporting(struct drm_i915_private *dev_priv,
 void intel_cpu_fifo_underrun_irq_handler(struct drm_i915_private *dev_priv,
 					 enum pipe pipe)
 {
+	struct drm_crtc *crtc = dev_priv->pipe_to_crtc_mapping[pipe];
+
+	/* We may be called too early in init, thanks BIOS! */
+	if (crtc == NULL)
+		return;
+
 	/* GMCH can't disable fifo underruns, filter them. */
 	if (HAS_GMCH_DISPLAY(dev_priv->dev) &&
-	    !__cpu_fifo_underrun_reporting_enabled(dev_priv, pipe))
+	    to_intel_crtc(crtc)->cpu_fifo_underrun_disabled)
 		return;
 
 	if (intel_set_cpu_fifo_underrun_reporting(dev_priv, pipe, false))
diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c
index 0f358c5999ec..e8d3da9f3373 100644
--- a/drivers/gpu/drm/i915/intel_lrc.c
+++ b/drivers/gpu/drm/i915/intel_lrc.c
@@ -503,18 +503,19 @@ static int execlists_context_queue(struct intel_engine_cs *ring,
 		 * If there isn't a request associated with this submission,
 		 * create one as a temporary holder.
 		 */
-		WARN(1, "execlist context submission without request");
 		request = kzalloc(sizeof(*request), GFP_KERNEL);
 		if (request == NULL)
 			return -ENOMEM;
 		request->ring = ring;
 		request->ctx = to;
+		kref_init(&request->ref);
+		request->uniq = dev_priv->request_uniq++;
+		i915_gem_context_reference(request->ctx);
 	} else {
+		i915_gem_request_reference(request);
 		WARN_ON(to != request->ctx);
 	}
 	request->tail = tail;
-	i915_gem_request_reference(request);
-	i915_gem_context_reference(request->ctx);
 
 	intel_runtime_pm_get(dev_priv);
 
@@ -731,7 +732,6 @@ void intel_execlists_retire_requests(struct intel_engine_cs *ring)
 		if (ctx_obj && (ctx != ring->default_context))
 			intel_lr_context_unpin(ring, ctx);
 		intel_runtime_pm_put(dev_priv);
-		i915_gem_context_unreference(ctx);
 		list_del(&req->execlist_link);
 		i915_gem_request_unreference(req);
 	}
diff --git a/drivers/gpu/drm/i915/intel_uncore.c b/drivers/gpu/drm/i915/intel_uncore.c
index c47a3baa53d5..4e8fb891d4ea 100644
--- a/drivers/gpu/drm/i915/intel_uncore.c
+++ b/drivers/gpu/drm/i915/intel_uncore.c
@@ -1048,8 +1048,14 @@ static void intel_uncore_fw_domains_init(struct drm_device *dev)
 
 		/* We need to init first for ECOBUS access and then
 		 * determine later if we want to reinit, in case of MT access is
-		 * not working
+		 * not working. In this stage we don't know which flavour this
+		 * ivb is, so it is better to reset also the gen6 fw registers
+		 * before the ecobus check.
 		 */
+
+		__raw_i915_write32(dev_priv, FORCEWAKE, 0);
+		__raw_posting_read(dev_priv, ECOBUS);
+
 		fw_domain_init(dev_priv, FW_DOMAIN_ID_RENDER,
 			       FORCEWAKE_MT, FORCEWAKE_MT_ACK);
 
diff --git a/drivers/gpu/drm/imx/dw_hdmi-imx.c b/drivers/gpu/drm/imx/dw_hdmi-imx.c
index 121d30ca2d44..87fe8ed92ebe 100644
--- a/drivers/gpu/drm/imx/dw_hdmi-imx.c
+++ b/drivers/gpu/drm/imx/dw_hdmi-imx.c
@@ -70,7 +70,9 @@ static const struct dw_hdmi_curr_ctrl imx_cur_ctr[] = {
 		118800000, { 0x091c, 0x091c, 0x06dc },
 	}, {
 		216000000, { 0x06dc, 0x0b5c, 0x091c },
-	}
+	}, {
+		~0UL, { 0x0000, 0x0000, 0x0000 },
+	},
 };
 
 static const struct dw_hdmi_sym_term imx_sym_term[] = {
@@ -136,11 +138,34 @@ static struct drm_encoder_funcs dw_hdmi_imx_encoder_funcs = {
 	.destroy = drm_encoder_cleanup,
 };
 
+static enum drm_mode_status imx6q_hdmi_mode_valid(struct drm_connector *con,
+						  struct drm_display_mode *mode)
+{
+	if (mode->clock < 13500)
+		return MODE_CLOCK_LOW;
+	if (mode->clock > 266000)
+		return MODE_CLOCK_HIGH;
+
+	return MODE_OK;
+}
+
+static enum drm_mode_status imx6dl_hdmi_mode_valid(struct drm_connector *con,
+						   struct drm_display_mode *mode)
+{
+	if (mode->clock < 13500)
+		return MODE_CLOCK_LOW;
+	if (mode->clock > 270000)
+		return MODE_CLOCK_HIGH;
+
+	return MODE_OK;
+}
+
 static struct dw_hdmi_plat_data imx6q_hdmi_drv_data = {
-	.mpll_cfg = imx_mpll_cfg,
-	.cur_ctr  = imx_cur_ctr,
-	.sym_term = imx_sym_term,
-	.dev_type = IMX6Q_HDMI,
+	.mpll_cfg   = imx_mpll_cfg,
+	.cur_ctr    = imx_cur_ctr,
+	.sym_term   = imx_sym_term,
+	.dev_type   = IMX6Q_HDMI,
+	.mode_valid = imx6q_hdmi_mode_valid,
 };
 
 static struct dw_hdmi_plat_data imx6dl_hdmi_drv_data = {
@@ -148,6 +173,7 @@ static struct dw_hdmi_plat_data imx6dl_hdmi_drv_data = {
 	.cur_ctr  = imx_cur_ctr,
 	.sym_term = imx_sym_term,
 	.dev_type = IMX6DL_HDMI,
+	.mode_valid = imx6dl_hdmi_mode_valid,
 };
 
 static const struct of_device_id dw_hdmi_imx_dt_ids[] = {
diff --git a/drivers/gpu/drm/imx/imx-ldb.c b/drivers/gpu/drm/imx/imx-ldb.c
index 1b86aac0b341..2d6dc94e1e64 100644
--- a/drivers/gpu/drm/imx/imx-ldb.c
+++ b/drivers/gpu/drm/imx/imx-ldb.c
@@ -163,22 +163,7 @@ static void imx_ldb_encoder_prepare(struct drm_encoder *encoder)
 {
 	struct imx_ldb_channel *imx_ldb_ch = enc_to_imx_ldb_ch(encoder);
 	struct imx_ldb *ldb = imx_ldb_ch->ldb;
-	struct drm_display_mode *mode = &encoder->crtc->hwmode;
 	u32 pixel_fmt;
-	unsigned long serial_clk;
-	unsigned long di_clk = mode->clock * 1000;
-	int mux = imx_drm_encoder_get_mux_id(imx_ldb_ch->child, encoder);
-
-	if (ldb->ldb_ctrl & LDB_SPLIT_MODE_EN) {
-		/* dual channel LVDS mode */
-		serial_clk = 3500UL * mode->clock;
-		imx_ldb_set_clock(ldb, mux, 0, serial_clk, di_clk);
-		imx_ldb_set_clock(ldb, mux, 1, serial_clk, di_clk);
-	} else {
-		serial_clk = 7000UL * mode->clock;
-		imx_ldb_set_clock(ldb, mux, imx_ldb_ch->chno, serial_clk,
-				di_clk);
-	}
 
 	switch (imx_ldb_ch->chno) {
 	case 0:
@@ -247,6 +232,9 @@ static void imx_ldb_encoder_mode_set(struct drm_encoder *encoder,
 	struct imx_ldb_channel *imx_ldb_ch = enc_to_imx_ldb_ch(encoder);
 	struct imx_ldb *ldb = imx_ldb_ch->ldb;
 	int dual = ldb->ldb_ctrl & LDB_SPLIT_MODE_EN;
+	unsigned long serial_clk;
+	unsigned long di_clk = mode->clock * 1000;
+	int mux = imx_drm_encoder_get_mux_id(imx_ldb_ch->child, encoder);
 
 	if (mode->clock > 170000) {
 		dev_warn(ldb->dev,
@@ -257,6 +245,16 @@ static void imx_ldb_encoder_mode_set(struct drm_encoder *encoder,
 			 "%s: mode exceeds 85 MHz pixel clock\n", __func__);
 	}
 
+	if (dual) {
+		serial_clk = 3500UL * mode->clock;
+		imx_ldb_set_clock(ldb, mux, 0, serial_clk, di_clk);
+		imx_ldb_set_clock(ldb, mux, 1, serial_clk, di_clk);
+	} else {
+		serial_clk = 7000UL * mode->clock;
+		imx_ldb_set_clock(ldb, mux, imx_ldb_ch->chno, serial_clk,
+				  di_clk);
+	}
+
 	/* FIXME - assumes straight connections DI0 --> CH0, DI1 --> CH1 */
 	if (imx_ldb_ch == &ldb->channel[0]) {
 		if (mode->flags & DRM_MODE_FLAG_NVSYNC)
diff --git a/drivers/gpu/drm/imx/parallel-display.c b/drivers/gpu/drm/imx/parallel-display.c
index 5e83e007080f..900dda6a8e71 100644
--- a/drivers/gpu/drm/imx/parallel-display.c
+++ b/drivers/gpu/drm/imx/parallel-display.c
@@ -236,8 +236,11 @@ static int imx_pd_bind(struct device *dev, struct device *master, void *data)
 	}
 
 	panel_node = of_parse_phandle(np, "fsl,panel", 0);
-	if (panel_node)
+	if (panel_node) {
 		imxpd->panel = of_drm_find_panel(panel_node);
+		if (!imxpd->panel)
+			return -EPROBE_DEFER;
+	}
 
 	imxpd->dev = dev;
 
diff --git a/drivers/gpu/drm/msm/mdp/mdp4/mdp4_irq.c b/drivers/gpu/drm/msm/mdp/mdp4/mdp4_irq.c
index 8edd531cb621..7369ee7f0c55 100644
--- a/drivers/gpu/drm/msm/mdp/mdp4/mdp4_irq.c
+++ b/drivers/gpu/drm/msm/mdp/mdp4/mdp4_irq.c
@@ -32,7 +32,10 @@ static void mdp4_irq_error_handler(struct mdp_irq *irq, uint32_t irqstatus)
 void mdp4_irq_preinstall(struct msm_kms *kms)
 {
 	struct mdp4_kms *mdp4_kms = to_mdp4_kms(to_mdp_kms(kms));
+	mdp4_enable(mdp4_kms);
 	mdp4_write(mdp4_kms, REG_MDP4_INTR_CLEAR, 0xffffffff);
+	mdp4_write(mdp4_kms, REG_MDP4_INTR_ENABLE, 0x00000000);
+	mdp4_disable(mdp4_kms);
 }
 
 int mdp4_irq_postinstall(struct msm_kms *kms)
@@ -53,7 +56,9 @@ int mdp4_irq_postinstall(struct msm_kms *kms)
 void mdp4_irq_uninstall(struct msm_kms *kms)
 {
 	struct mdp4_kms *mdp4_kms = to_mdp4_kms(to_mdp_kms(kms));
+	mdp4_enable(mdp4_kms);
 	mdp4_write(mdp4_kms, REG_MDP4_INTR_ENABLE, 0x00000000);
+	mdp4_disable(mdp4_kms);
 }
 
 irqreturn_t mdp4_irq(struct msm_kms *kms)
diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5.xml.h b/drivers/gpu/drm/msm/mdp/mdp5/mdp5.xml.h
index 09b4a25eb553..c276624290af 100644
--- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5.xml.h
+++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5.xml.h
@@ -8,17 +8,9 @@ http://github.com/freedreno/envytools/
 git clone https://github.com/freedreno/envytools.git
 
 The rules-ng-ng source files this header was generated from are:
-- /home/robclark/src/freedreno/envytools/rnndb/msm.xml                 (    676 bytes, from 2014-12-05 15:34:49)
-- /home/robclark/src/freedreno/envytools/rnndb/freedreno_copyright.xml (   1453 bytes, from 2013-03-31 16:51:27)
-- /home/robclark/src/freedreno/envytools/rnndb/mdp/mdp4.xml            (  20908 bytes, from 2014-12-08 16:13:00)
-- /home/robclark/src/freedreno/envytools/rnndb/mdp/mdp_common.xml      (   2357 bytes, from 2014-12-08 16:13:00)
-- /home/robclark/src/freedreno/envytools/rnndb/mdp/mdp5.xml            (  27208 bytes, from 2015-01-13 23:56:11)
-- /home/robclark/src/freedreno/envytools/rnndb/dsi/dsi.xml             (  11712 bytes, from 2013-08-17 17:13:43)
-- /home/robclark/src/freedreno/envytools/rnndb/dsi/sfpb.xml            (    344 bytes, from 2013-08-11 19:26:32)
-- /home/robclark/src/freedreno/envytools/rnndb/dsi/mmss_cc.xml         (   1686 bytes, from 2014-10-31 16:48:57)
-- /home/robclark/src/freedreno/envytools/rnndb/hdmi/qfprom.xml         (    600 bytes, from 2013-07-05 19:21:12)
-- /home/robclark/src/freedreno/envytools/rnndb/hdmi/hdmi.xml           (  26848 bytes, from 2015-01-13 23:55:57)
-- /home/robclark/src/freedreno/envytools/rnndb/edp/edp.xml             (   8253 bytes, from 2014-12-08 16:13:00)
+- /local/mnt2/workspace2/sviau/envytools/rnndb/mdp/mdp5.xml            (  27229 bytes, from 2015-02-10 17:00:41)
+- /local/mnt2/workspace2/sviau/envytools/rnndb/freedreno_copyright.xml (   1453 bytes, from 2014-06-02 18:31:15)
+- /local/mnt2/workspace2/sviau/envytools/rnndb/mdp/mdp_common.xml      (   2357 bytes, from 2015-01-23 16:20:19)
 
 Copyright (C) 2013-2015 by the following authors:
 - Rob Clark <robdclark@gmail.com> (robclark)
@@ -910,6 +902,7 @@ static inline uint32_t __offset_LM(uint32_t idx)
 		case 2: return (mdp5_cfg->lm.base[2]);
 		case 3: return (mdp5_cfg->lm.base[3]);
 		case 4: return (mdp5_cfg->lm.base[4]);
+		case 5: return (mdp5_cfg->lm.base[5]);
 		default: return INVALID_IDX(idx);
 	}
 }
diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_crtc.c b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_crtc.c
index 46fac545dc2b..2f2863cf8b45 100644
--- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_crtc.c
+++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_crtc.c
@@ -62,8 +62,8 @@ struct mdp5_crtc {
 
 		/* current cursor being scanned out: */
 		struct drm_gem_object *scanout_bo;
-		uint32_t width;
-		uint32_t height;
+		uint32_t width, height;
+		uint32_t x, y;
 	} cursor;
 };
 #define to_mdp5_crtc(x) container_of(x, struct mdp5_crtc, base)
@@ -103,8 +103,8 @@ static void crtc_flush_all(struct drm_crtc *crtc)
 	struct drm_plane *plane;
 	uint32_t flush_mask = 0;
 
-	/* we could have already released CTL in the disable path: */
-	if (!mdp5_crtc->ctl)
+	/* this should not happen: */
+	if (WARN_ON(!mdp5_crtc->ctl))
 		return;
 
 	drm_atomic_crtc_for_each_plane(plane, crtc) {
@@ -143,6 +143,11 @@ static void complete_flip(struct drm_crtc *crtc, struct drm_file *file)
 	drm_atomic_crtc_for_each_plane(plane, crtc) {
 		mdp5_plane_complete_flip(plane);
 	}
+
+	if (mdp5_crtc->ctl && !crtc->state->enable) {
+		mdp5_ctl_release(mdp5_crtc->ctl);
+		mdp5_crtc->ctl = NULL;
+	}
 }
 
 static void unref_cursor_worker(struct drm_flip_work *work, void *val)
@@ -386,14 +391,17 @@ static void mdp5_crtc_atomic_flush(struct drm_crtc *crtc)
 	mdp5_crtc->event = crtc->state->event;
 	spin_unlock_irqrestore(&dev->event_lock, flags);
 
+	/*
+	 * If no CTL has been allocated in mdp5_crtc_atomic_check(),
+	 * it means we are trying to flush a CRTC whose state is disabled:
+	 * nothing else needs to be done.
+	 */
+	if (unlikely(!mdp5_crtc->ctl))
+		return;
+
 	blend_setup(crtc);
 	crtc_flush_all(crtc);
 	request_pending(crtc, PENDING_FLIP);
-
-	if (mdp5_crtc->ctl && !crtc->state->enable) {
-		mdp5_ctl_release(mdp5_crtc->ctl);
-		mdp5_crtc->ctl = NULL;
-	}
 }
 
 static int mdp5_crtc_set_property(struct drm_crtc *crtc,
@@ -403,6 +411,32 @@ static int mdp5_crtc_set_property(struct drm_crtc *crtc,
 	return -EINVAL;
 }
 
+static void get_roi(struct drm_crtc *crtc, uint32_t *roi_w, uint32_t *roi_h)
+{
+	struct mdp5_crtc *mdp5_crtc = to_mdp5_crtc(crtc);
+	uint32_t xres = crtc->mode.hdisplay;
+	uint32_t yres = crtc->mode.vdisplay;
+
+	/*
+	 * Cursor Region Of Interest (ROI) is a plane read from cursor
+	 * buffer to render. The ROI region is determined by the visibility of
+	 * the cursor point. In the default Cursor image the cursor point will
+	 * be at the top left of the cursor image, unless it is specified
+	 * otherwise using hotspot feature.
+	 *
+	 * If the cursor point reaches the right (xres - x < cursor.width) or
+	 * bottom (yres - y < cursor.height) boundary of the screen, then ROI
+	 * width and ROI height need to be evaluated to crop the cursor image
+	 * accordingly.
+	 * (xres-x) will be new cursor width when x > (xres - cursor.width)
+	 * (yres-y) will be new cursor height when y > (yres - cursor.height)
+	 */
+	*roi_w = min(mdp5_crtc->cursor.width, xres -
+			mdp5_crtc->cursor.x);
+	*roi_h = min(mdp5_crtc->cursor.height, yres -
+			mdp5_crtc->cursor.y);
+}
+
 static int mdp5_crtc_cursor_set(struct drm_crtc *crtc,
 		struct drm_file *file, uint32_t handle,
 		uint32_t width, uint32_t height)
@@ -416,6 +450,7 @@ static int mdp5_crtc_cursor_set(struct drm_crtc *crtc,
 	unsigned int depth;
 	enum mdp5_cursor_alpha cur_alpha = CURSOR_ALPHA_PER_PIXEL;
 	uint32_t flush_mask = mdp_ctl_flush_mask_cursor(0);
+	uint32_t roi_w, roi_h;
 	unsigned long flags;
 
 	if ((width > CURSOR_WIDTH) || (height > CURSOR_HEIGHT)) {
@@ -446,6 +481,12 @@ static int mdp5_crtc_cursor_set(struct drm_crtc *crtc,
 	spin_lock_irqsave(&mdp5_crtc->cursor.lock, flags);
 	old_bo = mdp5_crtc->cursor.scanout_bo;
 
+	mdp5_crtc->cursor.scanout_bo = cursor_bo;
+	mdp5_crtc->cursor.width = width;
+	mdp5_crtc->cursor.height = height;
+
+	get_roi(crtc, &roi_w, &roi_h);
+
 	mdp5_write(mdp5_kms, REG_MDP5_LM_CURSOR_STRIDE(lm), stride);
 	mdp5_write(mdp5_kms, REG_MDP5_LM_CURSOR_FORMAT(lm),
 			MDP5_LM_CURSOR_FORMAT_FORMAT(CURSOR_FMT_ARGB8888));
@@ -453,19 +494,14 @@ static int mdp5_crtc_cursor_set(struct drm_crtc *crtc,
 			MDP5_LM_CURSOR_IMG_SIZE_SRC_H(height) |
 			MDP5_LM_CURSOR_IMG_SIZE_SRC_W(width));
 	mdp5_write(mdp5_kms, REG_MDP5_LM_CURSOR_SIZE(lm),
-			MDP5_LM_CURSOR_SIZE_ROI_H(height) |
-			MDP5_LM_CURSOR_SIZE_ROI_W(width));
+			MDP5_LM_CURSOR_SIZE_ROI_H(roi_h) |
+			MDP5_LM_CURSOR_SIZE_ROI_W(roi_w));
 	mdp5_write(mdp5_kms, REG_MDP5_LM_CURSOR_BASE_ADDR(lm), cursor_addr);
 
-
 	blendcfg = MDP5_LM_CURSOR_BLEND_CONFIG_BLEND_EN;
-	blendcfg |= MDP5_LM_CURSOR_BLEND_CONFIG_BLEND_TRANSP_EN;
 	blendcfg |= MDP5_LM_CURSOR_BLEND_CONFIG_BLEND_ALPHA_SEL(cur_alpha);
 	mdp5_write(mdp5_kms, REG_MDP5_LM_CURSOR_BLEND_CONFIG(lm), blendcfg);
 
-	mdp5_crtc->cursor.scanout_bo = cursor_bo;
-	mdp5_crtc->cursor.width = width;
-	mdp5_crtc->cursor.height = height;
 	spin_unlock_irqrestore(&mdp5_crtc->cursor.lock, flags);
 
 	ret = mdp5_ctl_set_cursor(mdp5_crtc->ctl, true);
@@ -489,31 +525,18 @@ static int mdp5_crtc_cursor_move(struct drm_crtc *crtc, int x, int y)
 	struct mdp5_kms *mdp5_kms = get_kms(crtc);
 	struct mdp5_crtc *mdp5_crtc = to_mdp5_crtc(crtc);
 	uint32_t flush_mask = mdp_ctl_flush_mask_cursor(0);
-	uint32_t xres = crtc->mode.hdisplay;
-	uint32_t yres = crtc->mode.vdisplay;
 	uint32_t roi_w;
 	uint32_t roi_h;
 	unsigned long flags;
 
-	x = (x > 0) ? x : 0;
-	y = (y > 0) ? y : 0;
+	/* In case the CRTC is disabled, just drop the cursor update */
+	if (unlikely(!crtc->state->enable))
+		return 0;
 
-	/*
-	 * Cursor Region Of Interest (ROI) is a plane read from cursor
-	 * buffer to render. The ROI region is determined by the visiblity of
-	 * the cursor point. In the default Cursor image the cursor point will
-	 * be at the top left of the cursor image, unless it is specified
-	 * otherwise using hotspot feature.
-	 *
-	 * If the cursor point reaches the right (xres - x < cursor.width) or
-	 * bottom (yres - y < cursor.height) boundary of the screen, then ROI
-	 * width and ROI height need to be evaluated to crop the cursor image
-	 * accordingly.
-	 * (xres-x) will be new cursor width when x > (xres - cursor.width)
-	 * (yres-y) will be new cursor height when y > (yres - cursor.height)
-	 */
-	roi_w = min(mdp5_crtc->cursor.width, xres - x);
-	roi_h = min(mdp5_crtc->cursor.height, yres - y);
+	mdp5_crtc->cursor.x = x = max(x, 0);
+	mdp5_crtc->cursor.y = y = max(y, 0);
+
+	get_roi(crtc, &roi_w, &roi_h);
 
 	spin_lock_irqsave(&mdp5_crtc->cursor.lock, flags);
 	mdp5_write(mdp5_kms, REG_MDP5_LM_CURSOR_SIZE(mdp5_crtc->lm),
@@ -544,8 +567,8 @@ static const struct drm_crtc_funcs mdp5_crtc_funcs = {
 static const struct drm_crtc_helper_funcs mdp5_crtc_helper_funcs = {
 	.mode_fixup = mdp5_crtc_mode_fixup,
 	.mode_set_nofb = mdp5_crtc_mode_set_nofb,
-	.prepare = mdp5_crtc_disable,
-	.commit = mdp5_crtc_enable,
+	.disable = mdp5_crtc_disable,
+	.enable = mdp5_crtc_enable,
 	.atomic_check = mdp5_crtc_atomic_check,
 	.atomic_begin = mdp5_crtc_atomic_begin,
 	.atomic_flush = mdp5_crtc_atomic_flush,
diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_encoder.c b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_encoder.c
index d6a14bb99988..af0e02fa4f48 100644
--- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_encoder.c
+++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_encoder.c
@@ -267,14 +267,14 @@ static void mdp5_encoder_enable(struct drm_encoder *encoder)
 	mdp5_write(mdp5_kms, REG_MDP5_INTF_TIMING_ENGINE_EN(intf), 1);
 	spin_unlock_irqrestore(&mdp5_encoder->intf_lock, flags);
 
-	mdp5_encoder->enabled = false;
+	mdp5_encoder->enabled = true;
 }
 
 static const struct drm_encoder_helper_funcs mdp5_encoder_helper_funcs = {
 	.mode_fixup = mdp5_encoder_mode_fixup,
 	.mode_set = mdp5_encoder_mode_set,
-	.prepare = mdp5_encoder_disable,
-	.commit = mdp5_encoder_enable,
+	.disable = mdp5_encoder_disable,
+	.enable = mdp5_encoder_enable,
 };
 
 /* initialize encoder */
diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_irq.c b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_irq.c
index 70ac81edd40f..a9407105b9b7 100644
--- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_irq.c
+++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_irq.c
@@ -34,7 +34,10 @@ static void mdp5_irq_error_handler(struct mdp_irq *irq, uint32_t irqstatus)
 void mdp5_irq_preinstall(struct msm_kms *kms)
 {
 	struct mdp5_kms *mdp5_kms = to_mdp5_kms(to_mdp_kms(kms));
+	mdp5_enable(mdp5_kms);
 	mdp5_write(mdp5_kms, REG_MDP5_INTR_CLEAR, 0xffffffff);
+	mdp5_write(mdp5_kms, REG_MDP5_INTR_EN, 0x00000000);
+	mdp5_disable(mdp5_kms);
 }
 
 int mdp5_irq_postinstall(struct msm_kms *kms)
@@ -57,7 +60,9 @@ int mdp5_irq_postinstall(struct msm_kms *kms)
 void mdp5_irq_uninstall(struct msm_kms *kms)
 {
 	struct mdp5_kms *mdp5_kms = to_mdp5_kms(to_mdp_kms(kms));
+	mdp5_enable(mdp5_kms);
 	mdp5_write(mdp5_kms, REG_MDP5_INTR_EN, 0x00000000);
+	mdp5_disable(mdp5_kms);
 }
 
 static void mdp5_irq_mdp(struct mdp_kms *mdp_kms)
diff --git a/drivers/gpu/drm/msm/msm_atomic.c b/drivers/gpu/drm/msm/msm_atomic.c
index 871aa2108dc6..18fd643b6e69 100644
--- a/drivers/gpu/drm/msm/msm_atomic.c
+++ b/drivers/gpu/drm/msm/msm_atomic.c
@@ -219,8 +219,10 @@ int msm_atomic_commit(struct drm_device *dev,
 	 * mark our set of crtc's as busy:
 	 */
 	ret = start_atomic(dev->dev_private, c->crtc_mask);
-	if (ret)
+	if (ret) {
+		kfree(c);
 		return ret;
+	}
 
 	/*
 	 * This is the point of no return - everything below never fails except
diff --git a/drivers/gpu/drm/nouveau/nouveau_fbcon.c b/drivers/gpu/drm/nouveau/nouveau_fbcon.c
index 79924e4b1b49..6751553abe4a 100644
--- a/drivers/gpu/drm/nouveau/nouveau_fbcon.c
+++ b/drivers/gpu/drm/nouveau/nouveau_fbcon.c
@@ -418,7 +418,7 @@ nouveau_fbcon_create(struct drm_fb_helper *helper,
 	nouveau_fbcon_zfill(dev, fbcon);
 
 	/* To allow resizeing without swapping buffers */
-	NV_INFO(drm, "allocated %dx%d fb: 0x%lx, bo %p\n",
+	NV_INFO(drm, "allocated %dx%d fb: 0x%llx, bo %p\n",
 		nouveau_fb->base.width, nouveau_fb->base.height,
 		nvbo->bo.offset, nvbo);
 
diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c
index ed644a4f6f57..86807ee91bd1 100644
--- a/drivers/gpu/drm/radeon/atombios_crtc.c
+++ b/drivers/gpu/drm/radeon/atombios_crtc.c
@@ -1405,6 +1405,9 @@ static int dce4_crtc_do_set_base(struct drm_crtc *crtc,
 	       (x << 16) | y);
 	viewport_w = crtc->mode.hdisplay;
 	viewport_h = (crtc->mode.vdisplay + 1) & ~1;
+	if ((rdev->family >= CHIP_BONAIRE) &&
+	    (crtc->mode.flags & DRM_MODE_FLAG_INTERLACE))
+		viewport_h *= 2;
 	WREG32(EVERGREEN_VIEWPORT_SIZE + radeon_crtc->crtc_offset,
 	       (viewport_w << 16) | viewport_h);
 
diff --git a/drivers/gpu/drm/radeon/atombios_dp.c b/drivers/gpu/drm/radeon/atombios_dp.c
index 5bf825dfaa09..8d74de82456e 100644
--- a/drivers/gpu/drm/radeon/atombios_dp.c
+++ b/drivers/gpu/drm/radeon/atombios_dp.c
@@ -178,6 +178,13 @@ radeon_dp_aux_transfer(struct drm_dp_aux *aux, struct drm_dp_aux_msg *msg)
 	switch (msg->request & ~DP_AUX_I2C_MOT) {
 	case DP_AUX_NATIVE_WRITE:
 	case DP_AUX_I2C_WRITE:
+		/* The atom implementation only supports writes with a max payload of
+		 * 12 bytes since it uses 4 bits for the total count (header + payload)
+		 * in the parameter space.  The atom interface supports 16 byte
+		 * payloads for reads. The hw itself supports up to 16 bytes of payload.
+		 */
+		if (WARN_ON_ONCE(msg->size > 12))
+			return -E2BIG;
 		/* tx_size needs to be 4 even for bare address packets since the atom
 		 * table needs the info in tx_buf[3].
 		 */
diff --git a/drivers/gpu/drm/radeon/atombios_encoders.c b/drivers/gpu/drm/radeon/atombios_encoders.c
index 7c9df1eac065..c39c1d0d9d4e 100644
--- a/drivers/gpu/drm/radeon/atombios_encoders.c
+++ b/drivers/gpu/drm/radeon/atombios_encoders.c
@@ -731,7 +731,9 @@ atombios_get_encoder_mode(struct drm_encoder *encoder)
 		dig_connector = radeon_connector->con_priv;
 		if ((dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
 		    (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP)) {
-			if (radeon_audio != 0 && ASIC_IS_DCE4(rdev) && !ASIC_IS_DCE5(rdev))
+			if (radeon_audio != 0 &&
+			    drm_detect_monitor_audio(radeon_connector_edid(connector)) &&
+			    ASIC_IS_DCE4(rdev) && !ASIC_IS_DCE5(rdev))
 				return ATOM_ENCODER_MODE_DP_AUDIO;
 			return ATOM_ENCODER_MODE_DP;
 		} else if (radeon_audio != 0) {
@@ -747,7 +749,9 @@ atombios_get_encoder_mode(struct drm_encoder *encoder)
 		}
 		break;
 	case DRM_MODE_CONNECTOR_eDP:
-		if (radeon_audio != 0 && ASIC_IS_DCE4(rdev) && !ASIC_IS_DCE5(rdev))
+		if (radeon_audio != 0 &&
+		    drm_detect_monitor_audio(radeon_connector_edid(connector)) &&
+		    ASIC_IS_DCE4(rdev) && !ASIC_IS_DCE5(rdev))
 			return ATOM_ENCODER_MODE_DP_AUDIO;
 		return ATOM_ENCODER_MODE_DP;
 	case DRM_MODE_CONNECTOR_DVIA:
@@ -1622,7 +1626,6 @@ radeon_atom_encoder_dpms_dig(struct drm_encoder *encoder, int mode)
 	struct radeon_connector *radeon_connector = NULL;
 	struct radeon_connector_atom_dig *radeon_dig_connector = NULL;
 	bool travis_quirk = false;
-	int encoder_mode;
 
 	if (connector) {
 		radeon_connector = to_radeon_connector(connector);
@@ -1718,11 +1721,6 @@ radeon_atom_encoder_dpms_dig(struct drm_encoder *encoder, int mode)
 		}
 		break;
 	}
-
-	encoder_mode = atombios_get_encoder_mode(encoder);
-	if (radeon_audio != 0 &&
-		(encoder_mode == ATOM_ENCODER_MODE_HDMI || ENCODER_MODE_IS_DP(encoder_mode)))
-		radeon_audio_dpms(encoder, mode);
 }
 
 static void
@@ -1731,10 +1729,19 @@ radeon_atom_encoder_dpms(struct drm_encoder *encoder, int mode)
 	struct drm_device *dev = encoder->dev;
 	struct radeon_device *rdev = dev->dev_private;
 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
+	struct drm_connector *connector = radeon_get_connector_for_encoder(encoder);
+	int encoder_mode = atombios_get_encoder_mode(encoder);
 
 	DRM_DEBUG_KMS("encoder dpms %d to mode %d, devices %08x, active_devices %08x\n",
 		  radeon_encoder->encoder_id, mode, radeon_encoder->devices,
 		  radeon_encoder->active_device);
+
+	if (connector && (radeon_audio != 0) &&
+	    ((encoder_mode == ATOM_ENCODER_MODE_HDMI) ||
+	     (ENCODER_MODE_IS_DP(encoder_mode) &&
+	      drm_detect_monitor_audio(radeon_connector_edid(connector)))))
+		radeon_audio_dpms(encoder, mode);
+
 	switch (radeon_encoder->encoder_id) {
 	case ENCODER_OBJECT_ID_INTERNAL_TMDS1:
 	case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_TMDS1:
@@ -2136,6 +2143,7 @@ radeon_atom_encoder_mode_set(struct drm_encoder *encoder,
 	struct drm_device *dev = encoder->dev;
 	struct radeon_device *rdev = dev->dev_private;
 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
+	struct drm_connector *connector = radeon_get_connector_for_encoder(encoder);
 	int encoder_mode;
 
 	radeon_encoder->pixel_clock = adjusted_mode->clock;
@@ -2163,10 +2171,6 @@ radeon_atom_encoder_mode_set(struct drm_encoder *encoder,
 	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
 	case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_LVTMA:
 		/* handled in dpms */
-		encoder_mode = atombios_get_encoder_mode(encoder);
-		if (radeon_audio != 0 &&
-			(encoder_mode == ATOM_ENCODER_MODE_HDMI || ENCODER_MODE_IS_DP(encoder_mode)))
-			radeon_audio_mode_set(encoder, adjusted_mode);
 		break;
 	case ENCODER_OBJECT_ID_INTERNAL_DDI:
 	case ENCODER_OBJECT_ID_INTERNAL_DVO1:
@@ -2188,6 +2192,13 @@ radeon_atom_encoder_mode_set(struct drm_encoder *encoder,
 	}
 
 	atombios_apply_encoder_quirks(encoder, adjusted_mode);
+
+	encoder_mode = atombios_get_encoder_mode(encoder);
+	if (connector && (radeon_audio != 0) &&
+	    ((encoder_mode == ATOM_ENCODER_MODE_HDMI) ||
+	     (ENCODER_MODE_IS_DP(encoder_mode) &&
+	      drm_detect_monitor_audio(radeon_connector_edid(connector)))))
+		radeon_audio_mode_set(encoder, adjusted_mode);
 }
 
 static bool
diff --git a/drivers/gpu/drm/radeon/cik.c b/drivers/gpu/drm/radeon/cik.c
index e6a4ba236c70..3e670d344a20 100644
--- a/drivers/gpu/drm/radeon/cik.c
+++ b/drivers/gpu/drm/radeon/cik.c
@@ -3613,6 +3613,8 @@ static void cik_gpu_init(struct radeon_device *rdev)
 	}
 
 	WREG32(GRBM_CNTL, GRBM_READ_TIMEOUT(0xff));
+	WREG32(SRBM_INT_CNTL, 0x1);
+	WREG32(SRBM_INT_ACK, 0x1);
 
 	WREG32(BIF_FB_EN, FB_READ_EN | FB_WRITE_EN);
 
@@ -7230,6 +7232,8 @@ static void cik_disable_interrupt_state(struct radeon_device *rdev)
 	WREG32(CP_ME2_PIPE3_INT_CNTL, 0);
 	/* grbm */
 	WREG32(GRBM_INT_CNTL, 0);
+	/* SRBM */
+	WREG32(SRBM_INT_CNTL, 0);
 	/* vline/vblank, etc. */
 	WREG32(LB_INTERRUPT_MASK + EVERGREEN_CRTC0_REGISTER_OFFSET, 0);
 	WREG32(LB_INTERRUPT_MASK + EVERGREEN_CRTC1_REGISTER_OFFSET, 0);
@@ -7551,6 +7555,9 @@ int cik_irq_set(struct radeon_device *rdev)
 	WREG32(DC_HPD5_INT_CONTROL, hpd5);
 	WREG32(DC_HPD6_INT_CONTROL, hpd6);
 
+	/* posting read */
+	RREG32(SRBM_STATUS);
+
 	return 0;
 }
 
@@ -8046,6 +8053,10 @@ restart_ih:
 				break;
 			}
 			break;
+		case 96:
+			DRM_ERROR("SRBM_READ_ERROR: 0x%x\n", RREG32(SRBM_READ_ERROR));
+			WREG32(SRBM_INT_ACK, 0x1);
+			break;
 		case 124: /* UVD */
 			DRM_DEBUG("IH: UVD int: 0x%08x\n", src_data);
 			radeon_fence_process(rdev, R600_RING_TYPE_UVD_INDEX);
diff --git a/drivers/gpu/drm/radeon/cikd.h b/drivers/gpu/drm/radeon/cikd.h
index 03003f8a6de6..c648e1996dab 100644
--- a/drivers/gpu/drm/radeon/cikd.h
+++ b/drivers/gpu/drm/radeon/cikd.h
@@ -482,6 +482,10 @@
 #define		SOFT_RESET_ORB				(1 << 23)
 #define		SOFT_RESET_VCE				(1 << 24)
 
+#define SRBM_READ_ERROR					0xE98
+#define SRBM_INT_CNTL					0xEA0
+#define SRBM_INT_ACK					0xEA8
+
 #define VM_L2_CNTL					0x1400
 #define		ENABLE_L2_CACHE					(1 << 0)
 #define		ENABLE_L2_FRAGMENT_PROCESSING			(1 << 1)
diff --git a/drivers/gpu/drm/radeon/dce6_afmt.c b/drivers/gpu/drm/radeon/dce6_afmt.c
index 192c80389151..3adc2afe32aa 100644
--- a/drivers/gpu/drm/radeon/dce6_afmt.c
+++ b/drivers/gpu/drm/radeon/dce6_afmt.c
@@ -26,6 +26,9 @@
 #include "radeon_audio.h"
 #include "sid.h"
 
+#define DCE8_DCCG_AUDIO_DTO1_PHASE	0x05b8
+#define DCE8_DCCG_AUDIO_DTO1_MODULE	0x05bc
+
 u32 dce6_endpoint_rreg(struct radeon_device *rdev,
 			      u32 block_offset, u32 reg)
 {
@@ -252,72 +255,67 @@ void dce6_audio_enable(struct radeon_device *rdev,
 void dce6_hdmi_audio_set_dto(struct radeon_device *rdev,
 	struct radeon_crtc *crtc, unsigned int clock)
 {
-    /* Two dtos; generally use dto0 for HDMI */
+	/* Two dtos; generally use dto0 for HDMI */
 	u32 value = 0;
 
-    if (crtc)
+	if (crtc)
 		value |= DCCG_AUDIO_DTO0_SOURCE_SEL(crtc->crtc_id);
 
 	WREG32(DCCG_AUDIO_DTO_SOURCE, value);
 
-    /* Express [24MHz / target pixel clock] as an exact rational
-     * number (coefficient of two integer numbers.  DCCG_AUDIO_DTOx_PHASE
-     * is the numerator, DCCG_AUDIO_DTOx_MODULE is the denominator
-     */
-    WREG32(DCCG_AUDIO_DTO0_PHASE, 24000);
-    WREG32(DCCG_AUDIO_DTO0_MODULE, clock);
+	/* Express [24MHz / target pixel clock] as an exact rational
+	 * number (coefficient of two integer numbers.  DCCG_AUDIO_DTOx_PHASE
+	 * is the numerator, DCCG_AUDIO_DTOx_MODULE is the denominator
+	 */
+	WREG32(DCCG_AUDIO_DTO0_PHASE, 24000);
+	WREG32(DCCG_AUDIO_DTO0_MODULE, clock);
 }
 
 void dce6_dp_audio_set_dto(struct radeon_device *rdev,
 	struct radeon_crtc *crtc, unsigned int clock)
 {
-    /* Two dtos; generally use dto1 for DP */
+	/* Two dtos; generally use dto1 for DP */
 	u32 value = 0;
 	value |= DCCG_AUDIO_DTO_SEL;
 
-    if (crtc)
+	if (crtc)
 		value |= DCCG_AUDIO_DTO0_SOURCE_SEL(crtc->crtc_id);
 
 	WREG32(DCCG_AUDIO_DTO_SOURCE, value);
 
-    /* Express [24MHz / target pixel clock] as an exact rational
-     * number (coefficient of two integer numbers.  DCCG_AUDIO_DTOx_PHASE
-     * is the numerator, DCCG_AUDIO_DTOx_MODULE is the denominator
-     */
-    WREG32(DCCG_AUDIO_DTO1_PHASE, 24000);
-    WREG32(DCCG_AUDIO_DTO1_MODULE, clock);
+	/* Express [24MHz / target pixel clock] as an exact rational
+	 * number (coefficient of two integer numbers.  DCCG_AUDIO_DTOx_PHASE
+	 * is the numerator, DCCG_AUDIO_DTOx_MODULE is the denominator
+	 */
+	if (ASIC_IS_DCE8(rdev)) {
+		WREG32(DCE8_DCCG_AUDIO_DTO1_PHASE, 24000);
+		WREG32(DCE8_DCCG_AUDIO_DTO1_MODULE, clock);
+	} else {
+		WREG32(DCCG_AUDIO_DTO1_PHASE, 24000);
+		WREG32(DCCG_AUDIO_DTO1_MODULE, clock);
+	}
 }
 
-void dce6_enable_dp_audio_packets(struct drm_encoder *encoder, bool enable)
+void dce6_dp_enable(struct drm_encoder *encoder, bool enable)
 {
 	struct drm_device *dev = encoder->dev;
 	struct radeon_device *rdev = dev->dev_private;
 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 	struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
-	uint32_t offset;
 
 	if (!dig || !dig->afmt)
 		return;
 
-	offset = dig->afmt->offset;
-
 	if (enable) {
-        if (dig->afmt->enabled)
-            return;
-
-		WREG32(EVERGREEN_DP_SEC_TIMESTAMP + offset, EVERGREEN_DP_SEC_TIMESTAMP_MODE(1));
-		WREG32(EVERGREEN_DP_SEC_CNTL + offset,
-			EVERGREEN_DP_SEC_ASP_ENABLE |		/* Audio packet transmission */
-			EVERGREEN_DP_SEC_ATP_ENABLE |		/* Audio timestamp packet transmission */
-			EVERGREEN_DP_SEC_AIP_ENABLE |		/* Audio infoframe packet transmission */
-			EVERGREEN_DP_SEC_STREAM_ENABLE);	/* Master enable for secondary stream engine */
-		radeon_audio_enable(rdev, dig->afmt->pin, true);
+		WREG32(EVERGREEN_DP_SEC_TIMESTAMP + dig->afmt->offset,
+		       EVERGREEN_DP_SEC_TIMESTAMP_MODE(1));
+		WREG32(EVERGREEN_DP_SEC_CNTL + dig->afmt->offset,
+		       EVERGREEN_DP_SEC_ASP_ENABLE |		/* Audio packet transmission */
+		       EVERGREEN_DP_SEC_ATP_ENABLE |		/* Audio timestamp packet transmission */
+		       EVERGREEN_DP_SEC_AIP_ENABLE |		/* Audio infoframe packet transmission */
+		       EVERGREEN_DP_SEC_STREAM_ENABLE);	/* Master enable for secondary stream engine */
 	} else {
-		if (!dig->afmt->enabled)
-			return;
-
-		WREG32(EVERGREEN_DP_SEC_CNTL + offset, 0);
-		radeon_audio_enable(rdev, dig->afmt->pin, false);
+		WREG32(EVERGREEN_DP_SEC_CNTL + dig->afmt->offset, 0);
 	}
 
 	dig->afmt->enabled = enable;
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index 78600f534c80..973df064c14f 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -3253,6 +3253,8 @@ static void evergreen_gpu_init(struct radeon_device *rdev)
 	}
 
 	WREG32(GRBM_CNTL, GRBM_READ_TIMEOUT(0xff));
+	WREG32(SRBM_INT_CNTL, 0x1);
+	WREG32(SRBM_INT_ACK, 0x1);
 
 	evergreen_fix_pci_max_read_req_size(rdev);
 
@@ -4324,6 +4326,7 @@ void evergreen_disable_interrupt_state(struct radeon_device *rdev)
 	tmp = RREG32(DMA_CNTL) & ~TRAP_ENABLE;
 	WREG32(DMA_CNTL, tmp);
 	WREG32(GRBM_INT_CNTL, 0);
+	WREG32(SRBM_INT_CNTL, 0);
 	WREG32(INT_MASK + EVERGREEN_CRTC0_REGISTER_OFFSET, 0);
 	WREG32(INT_MASK + EVERGREEN_CRTC1_REGISTER_OFFSET, 0);
 	if (rdev->num_crtc >= 4) {
@@ -4590,6 +4593,9 @@ int evergreen_irq_set(struct radeon_device *rdev)
 	WREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET, afmt5);
 	WREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET, afmt6);
 
+	/* posting read */
+	RREG32(SRBM_STATUS);
+
 	return 0;
 }
 
@@ -5066,6 +5072,10 @@ restart_ih:
 				DRM_ERROR("Unhandled interrupt: %d %d\n", src_id, src_data);
 				break;
 			}
+		case 96:
+			DRM_ERROR("SRBM_READ_ERROR: 0x%x\n", RREG32(SRBM_READ_ERROR));
+			WREG32(SRBM_INT_ACK, 0x1);
+			break;
 		case 124: /* UVD */
 			DRM_DEBUG("IH: UVD int: 0x%08x\n", src_data);
 			radeon_fence_process(rdev, R600_RING_TYPE_UVD_INDEX);
diff --git a/drivers/gpu/drm/radeon/evergreen_hdmi.c b/drivers/gpu/drm/radeon/evergreen_hdmi.c
index 1d9aebc79595..c18d4ecbd95d 100644
--- a/drivers/gpu/drm/radeon/evergreen_hdmi.c
+++ b/drivers/gpu/drm/radeon/evergreen_hdmi.c
@@ -272,7 +272,7 @@ void dce4_hdmi_audio_set_dto(struct radeon_device *rdev,
 }
 
 void dce4_dp_audio_set_dto(struct radeon_device *rdev,
-	struct radeon_crtc *crtc, unsigned int clock)
+			   struct radeon_crtc *crtc, unsigned int clock)
 {
 	u32 value;
 
@@ -294,7 +294,7 @@ void dce4_dp_audio_set_dto(struct radeon_device *rdev,
 	 * is the numerator, DCCG_AUDIO_DTOx_MODULE is the denominator
 	 */
 	WREG32(DCCG_AUDIO_DTO1_PHASE, 24000);
-	WREG32(DCCG_AUDIO_DTO1_MODULE, rdev->clock.max_pixel_clock * 10);
+	WREG32(DCCG_AUDIO_DTO1_MODULE, clock);
 }
 
 void dce4_set_vbi_packet(struct drm_encoder *encoder, u32 offset)
@@ -350,20 +350,9 @@ void dce4_set_audio_packet(struct drm_encoder *encoder, u32 offset)
 	struct drm_device *dev = encoder->dev;
 	struct radeon_device *rdev = dev->dev_private;
 
-	WREG32(HDMI_INFOFRAME_CONTROL0 + offset,
-		HDMI_AUDIO_INFO_SEND | /* enable audio info frames (frames won't be set until audio is enabled) */
-		HDMI_AUDIO_INFO_CONT); /* required for audio info values to be updated */
-
 	WREG32(AFMT_INFOFRAME_CONTROL0 + offset,
 		AFMT_AUDIO_INFO_UPDATE); /* required for audio info values to be updated */
 
-	WREG32(HDMI_INFOFRAME_CONTROL1 + offset,
-		HDMI_AUDIO_INFO_LINE(2)); /* anything other than 0 */
-
-	WREG32(HDMI_AUDIO_PACKET_CONTROL + offset,
-		HDMI_AUDIO_DELAY_EN(1) | /* set the default audio delay */
-		HDMI_AUDIO_PACKETS_PER_LINE(3)); /* should be suffient for all audio modes and small enough for all hblanks */
-
 	WREG32(AFMT_60958_0 + offset,
 		AFMT_60958_CS_CHANNEL_NUMBER_L(1));
 
@@ -408,15 +397,19 @@ void evergreen_hdmi_enable(struct drm_encoder *encoder, bool enable)
 	if (!dig || !dig->afmt)
 		return;
 
-	/* Silent, r600_hdmi_enable will raise WARN for us */
-	if (enable && dig->afmt->enabled)
-		return;
-	if (!enable && !dig->afmt->enabled)
-		return;
+	if (enable) {
+		WREG32(HDMI_INFOFRAME_CONTROL1 + dig->afmt->offset,
+		       HDMI_AUDIO_INFO_LINE(2)); /* anything other than 0 */
+
+		WREG32(HDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset,
+		       HDMI_AUDIO_DELAY_EN(1) | /* set the default audio delay */
+		       HDMI_AUDIO_PACKETS_PER_LINE(3)); /* should be suffient for all audio modes and small enough for all hblanks */
 
-	if (!enable && dig->afmt->pin) {
-		radeon_audio_enable(rdev, dig->afmt->pin, 0);
-		dig->afmt->pin = NULL;
+		WREG32(HDMI_INFOFRAME_CONTROL0 + dig->afmt->offset,
+		       HDMI_AUDIO_INFO_SEND | /* enable audio info frames (frames won't be set until audio is enabled) */
+		       HDMI_AUDIO_INFO_CONT); /* required for audio info values to be updated */
+	} else {
+		WREG32(HDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, 0);
 	}
 
 	dig->afmt->enabled = enable;
@@ -425,33 +418,28 @@ void evergreen_hdmi_enable(struct drm_encoder *encoder, bool enable)
 		  enable ? "En" : "Dis", dig->afmt->offset, radeon_encoder->encoder_id);
 }
 
-void evergreen_enable_dp_audio_packets(struct drm_encoder *encoder, bool enable)
+void evergreen_dp_enable(struct drm_encoder *encoder, bool enable)
 {
 	struct drm_device *dev = encoder->dev;
 	struct radeon_device *rdev = dev->dev_private;
 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 	struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
-	uint32_t offset;
 
 	if (!dig || !dig->afmt)
 		return;
 
-	offset = dig->afmt->offset;
-
 	if (enable) {
 		struct drm_connector *connector = radeon_get_connector_for_encoder(encoder);
 		struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 		struct radeon_connector_atom_dig *dig_connector;
 		uint32_t val;
 
-		if (dig->afmt->enabled)
-			return;
-
-		WREG32(EVERGREEN_DP_SEC_TIMESTAMP + offset, EVERGREEN_DP_SEC_TIMESTAMP_MODE(1));
+		WREG32(EVERGREEN_DP_SEC_TIMESTAMP + dig->afmt->offset,
+		       EVERGREEN_DP_SEC_TIMESTAMP_MODE(1));
 
 		if (radeon_connector->con_priv) {
 			dig_connector = radeon_connector->con_priv;
-			val = RREG32(EVERGREEN_DP_SEC_AUD_N + offset);
+			val = RREG32(EVERGREEN_DP_SEC_AUD_N + dig->afmt->offset);
 			val &= ~EVERGREEN_DP_SEC_N_BASE_MULTIPLE(0xf);
 
 			if (dig_connector->dp_clock == 162000)
@@ -459,21 +447,16 @@ void evergreen_enable_dp_audio_packets(struct drm_encoder *encoder, bool enable)
 			else
 				val |= EVERGREEN_DP_SEC_N_BASE_MULTIPLE(5);
 
-			WREG32(EVERGREEN_DP_SEC_AUD_N + offset, val);
+			WREG32(EVERGREEN_DP_SEC_AUD_N + dig->afmt->offset, val);
 		}
 
-		WREG32(EVERGREEN_DP_SEC_CNTL + offset,
+		WREG32(EVERGREEN_DP_SEC_CNTL + dig->afmt->offset,
 			EVERGREEN_DP_SEC_ASP_ENABLE |		/* Audio packet transmission */
 			EVERGREEN_DP_SEC_ATP_ENABLE |		/* Audio timestamp packet transmission */
 			EVERGREEN_DP_SEC_AIP_ENABLE |		/* Audio infoframe packet transmission */
 			EVERGREEN_DP_SEC_STREAM_ENABLE);	/* Master enable for secondary stream engine */
-		radeon_audio_enable(rdev, dig->afmt->pin, 0xf);
 	} else {
-		if (!dig->afmt->enabled)
-			return;
-
-		WREG32(EVERGREEN_DP_SEC_CNTL + offset, 0);
-		radeon_audio_enable(rdev, dig->afmt->pin, 0);
+		WREG32(EVERGREEN_DP_SEC_CNTL + dig->afmt->offset, 0);
 	}
 
 	dig->afmt->enabled = enable;
diff --git a/drivers/gpu/drm/radeon/evergreend.h b/drivers/gpu/drm/radeon/evergreend.h
index ee83d2a88750..a8d1d5240fcb 100644
--- a/drivers/gpu/drm/radeon/evergreend.h
+++ b/drivers/gpu/drm/radeon/evergreend.h
@@ -1191,6 +1191,10 @@
 #define		SOFT_RESET_REGBB			(1 << 22)
 #define		SOFT_RESET_ORB				(1 << 23)
 
+#define SRBM_READ_ERROR					0xE98
+#define SRBM_INT_CNTL					0xEA0
+#define SRBM_INT_ACK					0xEA8
+
 /* display watermarks */
 #define	DC_LB_MEMORY_SPLIT				  0x6b0c
 #define	PRIORITY_A_CNT			                  0x6b18
diff --git a/drivers/gpu/drm/radeon/ni.c b/drivers/gpu/drm/radeon/ni.c
index 24242a7f0ac3..dab00812abaa 100644
--- a/drivers/gpu/drm/radeon/ni.c
+++ b/drivers/gpu/drm/radeon/ni.c
@@ -962,6 +962,8 @@ static void cayman_gpu_init(struct radeon_device *rdev)
 	}
 
 	WREG32(GRBM_CNTL, GRBM_READ_TIMEOUT(0xff));
+	WREG32(SRBM_INT_CNTL, 0x1);
+	WREG32(SRBM_INT_ACK, 0x1);
 
 	evergreen_fix_pci_max_read_req_size(rdev);
 
@@ -1086,12 +1088,12 @@ static void cayman_gpu_init(struct radeon_device *rdev)
 
 	if ((rdev->config.cayman.max_backends_per_se == 1) &&
 	    (rdev->flags & RADEON_IS_IGP)) {
-		if ((disabled_rb_mask & 3) == 1) {
-			/* RB0 disabled, RB1 enabled */
-			tmp = 0x11111111;
-		} else {
+		if ((disabled_rb_mask & 3) == 2) {
 			/* RB1 disabled, RB0 enabled */
 			tmp = 0x00000000;
+		} else {
+			/* RB0 disabled, RB1 enabled */
+			tmp = 0x11111111;
 		}
 	} else {
 		tmp = gb_addr_config & NUM_PIPES_MASK;
diff --git a/drivers/gpu/drm/radeon/nid.h b/drivers/gpu/drm/radeon/nid.h
index ad7125486894..6b44580440d0 100644
--- a/drivers/gpu/drm/radeon/nid.h
+++ b/drivers/gpu/drm/radeon/nid.h
@@ -82,6 +82,10 @@
 #define		SOFT_RESET_REGBB			(1 << 22)
 #define		SOFT_RESET_ORB				(1 << 23)
 
+#define SRBM_READ_ERROR					0xE98
+#define SRBM_INT_CNTL					0xEA0
+#define SRBM_INT_ACK					0xEA8
+
 #define	SRBM_STATUS2				        0x0EC4
 #define		DMA_BUSY 				(1 << 5)
 #define		DMA1_BUSY 				(1 << 6)
diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c
index 279801ca5110..04f2514f7564 100644
--- a/drivers/gpu/drm/radeon/r100.c
+++ b/drivers/gpu/drm/radeon/r100.c
@@ -728,6 +728,10 @@ int r100_irq_set(struct radeon_device *rdev)
 		tmp |= RADEON_FP2_DETECT_MASK;
 	}
 	WREG32(RADEON_GEN_INT_CNTL, tmp);
+
+	/* read back to post the write */
+	RREG32(RADEON_GEN_INT_CNTL);
+
 	return 0;
 }
 
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index 07a71a2488c9..2fcad344492f 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -3784,6 +3784,9 @@ int r600_irq_set(struct radeon_device *rdev)
 		WREG32(RV770_CG_THERMAL_INT, thermal_int);
 	}
 
+	/* posting read */
+	RREG32(R_000E50_SRBM_STATUS);
+
 	return 0;
 }
 
diff --git a/drivers/gpu/drm/radeon/r600_dpm.c b/drivers/gpu/drm/radeon/r600_dpm.c
index 843b65f46ece..fa2154493cf1 100644
--- a/drivers/gpu/drm/radeon/r600_dpm.c
+++ b/drivers/gpu/drm/radeon/r600_dpm.c
@@ -188,7 +188,7 @@ u32 r600_dpm_get_vrefresh(struct radeon_device *rdev)
 		list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
 			radeon_crtc = to_radeon_crtc(crtc);
 			if (crtc->enabled && radeon_crtc->enabled && radeon_crtc->hw_mode.clock) {
-				vrefresh = radeon_crtc->hw_mode.vrefresh;
+				vrefresh = drm_mode_vrefresh(&radeon_crtc->hw_mode);
 				break;
 			}
 		}
diff --git a/drivers/gpu/drm/radeon/r600_hdmi.c b/drivers/gpu/drm/radeon/r600_hdmi.c
index 62c91ed669ce..dd6606b8e23c 100644
--- a/drivers/gpu/drm/radeon/r600_hdmi.c
+++ b/drivers/gpu/drm/radeon/r600_hdmi.c
@@ -476,17 +476,6 @@ void r600_hdmi_enable(struct drm_encoder *encoder, bool enable)
 	if (!dig || !dig->afmt)
 		return;
 
-	/* Silent, r600_hdmi_enable will raise WARN for us */
-	if (enable && dig->afmt->enabled)
-		return;
-	if (!enable && !dig->afmt->enabled)
-		return;
-
-	if (!enable && dig->afmt->pin) {
-		radeon_audio_enable(rdev, dig->afmt->pin, 0);
-		dig->afmt->pin = NULL;
-	}
-
 	/* Older chipsets require setting HDMI and routing manually */
 	if (!ASIC_IS_DCE3(rdev)) {
 		if (enable)
diff --git a/drivers/gpu/drm/radeon/radeon_audio.c b/drivers/gpu/drm/radeon/radeon_audio.c
index a3ceef6d9632..b21ef69a34ac 100644
--- a/drivers/gpu/drm/radeon/radeon_audio.c
+++ b/drivers/gpu/drm/radeon/radeon_audio.c
@@ -101,8 +101,8 @@ static void radeon_audio_dp_mode_set(struct drm_encoder *encoder,
 	struct drm_display_mode *mode);
 void r600_hdmi_enable(struct drm_encoder *encoder, bool enable);
 void evergreen_hdmi_enable(struct drm_encoder *encoder, bool enable);
-void evergreen_enable_dp_audio_packets(struct drm_encoder *encoder, bool enable);
-void dce6_enable_dp_audio_packets(struct drm_encoder *encoder, bool enable);
+void evergreen_dp_enable(struct drm_encoder *encoder, bool enable);
+void dce6_dp_enable(struct drm_encoder *encoder, bool enable);
 
 static const u32 pin_offsets[7] =
 {
@@ -210,7 +210,7 @@ static struct radeon_audio_funcs dce4_dp_funcs = {
 	.set_avi_packet = evergreen_set_avi_packet,
 	.set_audio_packet = dce4_set_audio_packet,
 	.mode_set = radeon_audio_dp_mode_set,
-	.dpms = evergreen_enable_dp_audio_packets,
+	.dpms = evergreen_dp_enable,
 };
 
 static struct radeon_audio_funcs dce6_hdmi_funcs = {
@@ -240,7 +240,7 @@ static struct radeon_audio_funcs dce6_dp_funcs = {
 	.set_avi_packet = evergreen_set_avi_packet,
 	.set_audio_packet = dce4_set_audio_packet,
 	.mode_set = radeon_audio_dp_mode_set,
-	.dpms = dce6_enable_dp_audio_packets,
+	.dpms = dce6_dp_enable,
 };
 
 static void radeon_audio_interface_init(struct radeon_device *rdev)
@@ -452,7 +452,7 @@ void radeon_audio_enable(struct radeon_device *rdev,
 }
 
 void radeon_audio_detect(struct drm_connector *connector,
-	enum drm_connector_status status)
+			 enum drm_connector_status status)
 {
 	struct radeon_device *rdev;
 	struct radeon_encoder *radeon_encoder;
@@ -483,14 +483,11 @@ void radeon_audio_detect(struct drm_connector *connector,
 		else
 			radeon_encoder->audio = rdev->audio.hdmi_funcs;
 
-		radeon_audio_write_speaker_allocation(connector->encoder);
-		radeon_audio_write_sad_regs(connector->encoder);
-		if (connector->encoder->crtc)
-			radeon_audio_write_latency_fields(connector->encoder,
-				&connector->encoder->crtc->mode);
+		dig->afmt->pin = radeon_audio_get_pin(connector->encoder);
 		radeon_audio_enable(rdev, dig->afmt->pin, 0xf);
 	} else {
 		radeon_audio_enable(rdev, dig->afmt->pin, 0);
+		dig->afmt->pin = NULL;
 	}
 }
 
@@ -694,23 +691,22 @@ static void radeon_audio_set_mute(struct drm_encoder *encoder, bool mute)
  * update the info frames with the data from the current display mode
  */
 static void radeon_audio_hdmi_mode_set(struct drm_encoder *encoder,
-	struct drm_display_mode *mode)
+				       struct drm_display_mode *mode)
 {
-	struct radeon_device *rdev = encoder->dev->dev_private;
 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 	struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
 
 	if (!dig || !dig->afmt)
 		return;
 
-	/* disable audio prior to setting up hw */
-	dig->afmt->pin = radeon_audio_get_pin(encoder);
-	radeon_audio_enable(rdev, dig->afmt->pin, 0);
+	radeon_audio_set_mute(encoder, true);
 
+	radeon_audio_write_speaker_allocation(encoder);
+	radeon_audio_write_sad_regs(encoder);
+	radeon_audio_write_latency_fields(encoder, mode);
 	radeon_audio_set_dto(encoder, mode->clock);
 	radeon_audio_set_vbi_packet(encoder);
 	radeon_hdmi_set_color_depth(encoder);
-	radeon_audio_set_mute(encoder, false);
 	radeon_audio_update_acr(encoder, mode->clock);
 	radeon_audio_set_audio_packet(encoder);
 	radeon_audio_select_pin(encoder);
@@ -718,8 +714,7 @@ static void radeon_audio_hdmi_mode_set(struct drm_encoder *encoder,
 	if (radeon_audio_set_avi_packet(encoder, mode) < 0)
 		return;
 
-	/* enable audio after to setting up hw */
-	radeon_audio_enable(rdev, dig->afmt->pin, 0xf);
+	radeon_audio_set_mute(encoder, false);
 }
 
 static void radeon_audio_dp_mode_set(struct drm_encoder *encoder,
@@ -729,23 +724,26 @@ static void radeon_audio_dp_mode_set(struct drm_encoder *encoder,
 	struct radeon_device *rdev = dev->dev_private;
 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 	struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
+	struct drm_connector *connector = radeon_get_connector_for_encoder(encoder);
+	struct radeon_connector *radeon_connector = to_radeon_connector(connector);
+	struct radeon_connector_atom_dig *dig_connector =
+		radeon_connector->con_priv;
 
 	if (!dig || !dig->afmt)
 		return;
 
-	/* disable audio prior to setting up hw */
-	dig->afmt->pin = radeon_audio_get_pin(encoder);
-	radeon_audio_enable(rdev, dig->afmt->pin, 0);
-
-	radeon_audio_set_dto(encoder, rdev->clock.default_dispclk * 10);
+	radeon_audio_write_speaker_allocation(encoder);
+	radeon_audio_write_sad_regs(encoder);
+	radeon_audio_write_latency_fields(encoder, mode);
+	if (rdev->clock.dp_extclk || ASIC_IS_DCE5(rdev))
+		radeon_audio_set_dto(encoder, rdev->clock.default_dispclk * 10);
+	else
+		radeon_audio_set_dto(encoder, dig_connector->dp_clock);
 	radeon_audio_set_audio_packet(encoder);
 	radeon_audio_select_pin(encoder);
 
 	if (radeon_audio_set_avi_packet(encoder, mode) < 0)
 		return;
-
-	/* enable audio after to setting up hw */
-	radeon_audio_enable(rdev, dig->afmt->pin, 0xf);
 }
 
 void radeon_audio_mode_set(struct drm_encoder *encoder,
diff --git a/drivers/gpu/drm/radeon/radeon_cs.c b/drivers/gpu/drm/radeon/radeon_cs.c
index c830863bc98a..4d0f96cc3da4 100644
--- a/drivers/gpu/drm/radeon/radeon_cs.c
+++ b/drivers/gpu/drm/radeon/radeon_cs.c
@@ -256,11 +256,13 @@ int radeon_cs_parser_init(struct radeon_cs_parser *p, void *data)
 	u32 ring = RADEON_CS_RING_GFX;
 	s32 priority = 0;
 
+	INIT_LIST_HEAD(&p->validated);
+
 	if (!cs->num_chunks) {
 		return 0;
 	}
+
 	/* get chunks */
-	INIT_LIST_HEAD(&p->validated);
 	p->idx = 0;
 	p->ib.sa_bo = NULL;
 	p->const_ib.sa_bo = NULL;
@@ -715,6 +717,7 @@ int radeon_cs_packet_parse(struct radeon_cs_parser *p,
 	struct radeon_cs_chunk *ib_chunk = p->chunk_ib;
 	struct radeon_device *rdev = p->rdev;
 	uint32_t header;
+	int ret = 0, i;
 
 	if (idx >= ib_chunk->length_dw) {
 		DRM_ERROR("Can not parse packet at %d after CS end %d !\n",
@@ -743,14 +746,25 @@ int radeon_cs_packet_parse(struct radeon_cs_parser *p,
 		break;
 	default:
 		DRM_ERROR("Unknown packet type %d at %d !\n", pkt->type, idx);
-		return -EINVAL;
+		ret = -EINVAL;
+		goto dump_ib;
 	}
 	if ((pkt->count + 1 + pkt->idx) >= ib_chunk->length_dw) {
 		DRM_ERROR("Packet (%d:%d:%d) end after CS buffer (%d) !\n",
 			  pkt->idx, pkt->type, pkt->count, ib_chunk->length_dw);
-		return -EINVAL;
+		ret = -EINVAL;
+		goto dump_ib;
 	}
 	return 0;
+
+dump_ib:
+	for (i = 0; i < ib_chunk->length_dw; i++) {
+		if (i == idx)
+			printk("\t0x%08x <---\n", radeon_get_ib_value(p, i));
+		else
+			printk("\t0x%08x\n", radeon_get_ib_value(p, i));
+	}
+	return ret;
 }
 
 /**
diff --git a/drivers/gpu/drm/radeon/radeon_encoders.c b/drivers/gpu/drm/radeon/radeon_encoders.c
index 6b670b0bc47b..3a297037cc17 100644
--- a/drivers/gpu/drm/radeon/radeon_encoders.c
+++ b/drivers/gpu/drm/radeon/radeon_encoders.c
@@ -179,9 +179,12 @@ static void radeon_encoder_add_backlight(struct radeon_encoder *radeon_encoder,
 		    (rdev->pdev->subsystem_vendor == 0x1734) &&
 		    (rdev->pdev->subsystem_device == 0x1107))
 			use_bl = false;
+/* Older PPC macs use on-GPU backlight controller */
+#ifndef CONFIG_PPC_PMAC
 		/* disable native backlight control on older asics */
 		else if (rdev->family < CHIP_R600)
 			use_bl = false;
+#endif
 		else
 			use_bl = true;
 	}
diff --git a/drivers/gpu/drm/radeon/radeon_fence.c b/drivers/gpu/drm/radeon/radeon_fence.c
index d13d1b5a859f..df09ca7c4889 100644
--- a/drivers/gpu/drm/radeon/radeon_fence.c
+++ b/drivers/gpu/drm/radeon/radeon_fence.c
@@ -1030,37 +1030,59 @@ static inline bool radeon_test_signaled(struct radeon_fence *fence)
 	return test_bit(FENCE_FLAG_SIGNALED_BIT, &fence->base.flags);
 }
 
+struct radeon_wait_cb {
+	struct fence_cb base;
+	struct task_struct *task;
+};
+
+static void
+radeon_fence_wait_cb(struct fence *fence, struct fence_cb *cb)
+{
+	struct radeon_wait_cb *wait =
+		container_of(cb, struct radeon_wait_cb, base);
+
+	wake_up_process(wait->task);
+}
+
 static signed long radeon_fence_default_wait(struct fence *f, bool intr,
 					     signed long t)
 {
 	struct radeon_fence *fence = to_radeon_fence(f);
 	struct radeon_device *rdev = fence->rdev;
-	bool signaled;
+	struct radeon_wait_cb cb;
 
-	fence_enable_sw_signaling(&fence->base);
+	cb.task = current;
 
-	/*
-	 * This function has to return -EDEADLK, but cannot hold
-	 * exclusive_lock during the wait because some callers
-	 * may already hold it. This means checking needs_reset without
-	 * lock, and not fiddling with any gpu internals.
-	 *
-	 * The callback installed with fence_enable_sw_signaling will
-	 * run before our wait_event_*timeout call, so we will see
-	 * both the signaled fence and the changes to needs_reset.
-	 */
+	if (fence_add_callback(f, &cb.base, radeon_fence_wait_cb))
+		return t;
+
+	while (t > 0) {
+		if (intr)
+			set_current_state(TASK_INTERRUPTIBLE);
+		else
+			set_current_state(TASK_UNINTERRUPTIBLE);
+
+		/*
+		 * radeon_test_signaled must be called after
+		 * set_current_state to prevent a race with wake_up_process
+		 */
+		if (radeon_test_signaled(fence))
+			break;
+
+		if (rdev->needs_reset) {
+			t = -EDEADLK;
+			break;
+		}
+
+		t = schedule_timeout(t);
+
+		if (t > 0 && intr && signal_pending(current))
+			t = -ERESTARTSYS;
+	}
+
+	__set_current_state(TASK_RUNNING);
+	fence_remove_callback(f, &cb.base);
 
-	if (intr)
-		t = wait_event_interruptible_timeout(rdev->fence_queue,
-			((signaled = radeon_test_signaled(fence)) ||
-			 rdev->needs_reset), t);
-	else
-		t = wait_event_timeout(rdev->fence_queue,
-			((signaled = radeon_test_signaled(fence)) ||
-			 rdev->needs_reset), t);
-
-	if (t > 0 && !signaled)
-		return -EDEADLK;
 	return t;
 }
 
diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c
index 9f758d39420d..33cf4108386d 100644
--- a/drivers/gpu/drm/radeon/radeon_pm.c
+++ b/drivers/gpu/drm/radeon/radeon_pm.c
@@ -852,6 +852,12 @@ static struct radeon_ps *radeon_dpm_pick_power_state(struct radeon_device *rdev,
 			single_display = false;
 	}
 
+	/* 120hz tends to be problematic even if they are under the
+	 * vblank limit.
+	 */
+	if (single_display && (r600_dpm_get_vrefresh(rdev) >= 120))
+		single_display = false;
+
 	/* certain older asics have a separare 3D performance state,
 	 * so try that first if the user selected performance
 	 */
diff --git a/drivers/gpu/drm/radeon/rs600.c b/drivers/gpu/drm/radeon/rs600.c
index d81182ad53ec..97a904835759 100644
--- a/drivers/gpu/drm/radeon/rs600.c
+++ b/drivers/gpu/drm/radeon/rs600.c
@@ -694,6 +694,10 @@ int rs600_irq_set(struct radeon_device *rdev)
 	WREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL, hpd2);
 	if (ASIC_IS_DCE2(rdev))
 		WREG32(R_007408_HDMI0_AUDIO_PACKET_CONTROL, hdmi0);
+
+	/* posting read */
+	RREG32(R_000040_GEN_INT_CNTL);
+
 	return 0;
 }
 
diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c
index 73107fe9e46f..a7fb2735d4a9 100644
--- a/drivers/gpu/drm/radeon/si.c
+++ b/drivers/gpu/drm/radeon/si.c
@@ -3162,6 +3162,8 @@ static void si_gpu_init(struct radeon_device *rdev)
 	}
 
 	WREG32(GRBM_CNTL, GRBM_READ_TIMEOUT(0xff));
+	WREG32(SRBM_INT_CNTL, 1);
+	WREG32(SRBM_INT_ACK, 1);
 
 	evergreen_fix_pci_max_read_req_size(rdev);
 
@@ -4699,12 +4701,6 @@ int si_ib_parse(struct radeon_device *rdev, struct radeon_ib *ib)
 		switch (pkt.type) {
 		case RADEON_PACKET_TYPE0:
 			dev_err(rdev->dev, "Packet0 not allowed!\n");
-			for (i = 0; i < ib->length_dw; i++) {
-				if (i == idx)
-					printk("\t0x%08x <---\n", ib->ptr[i]);
-				else
-					printk("\t0x%08x\n", ib->ptr[i]);
-			}
 			ret = -EINVAL;
 			break;
 		case RADEON_PACKET_TYPE2:
@@ -4736,8 +4732,15 @@ int si_ib_parse(struct radeon_device *rdev, struct radeon_ib *ib)
 			ret = -EINVAL;
 			break;
 		}
-		if (ret)
+		if (ret) {
+			for (i = 0; i < ib->length_dw; i++) {
+				if (i == idx)
+					printk("\t0x%08x <---\n", ib->ptr[i]);
+				else
+					printk("\t0x%08x\n", ib->ptr[i]);
+			}
 			break;
+		}
 	} while (idx < ib->length_dw);
 
 	return ret;
@@ -5910,6 +5913,7 @@ static void si_disable_interrupt_state(struct radeon_device *rdev)
 	tmp = RREG32(DMA_CNTL + DMA1_REGISTER_OFFSET) & ~TRAP_ENABLE;
 	WREG32(DMA_CNTL + DMA1_REGISTER_OFFSET, tmp);
 	WREG32(GRBM_INT_CNTL, 0);
+	WREG32(SRBM_INT_CNTL, 0);
 	if (rdev->num_crtc >= 2) {
 		WREG32(INT_MASK + EVERGREEN_CRTC0_REGISTER_OFFSET, 0);
 		WREG32(INT_MASK + EVERGREEN_CRTC1_REGISTER_OFFSET, 0);
@@ -6199,6 +6203,9 @@ int si_irq_set(struct radeon_device *rdev)
 
 	WREG32(CG_THERMAL_INT, thermal_int);
 
+	/* posting read */
+	RREG32(SRBM_STATUS);
+
 	return 0;
 }
 
@@ -6609,6 +6616,10 @@ restart_ih:
 				break;
 			}
 			break;
+		case 96:
+			DRM_ERROR("SRBM_READ_ERROR: 0x%x\n", RREG32(SRBM_READ_ERROR));
+			WREG32(SRBM_INT_ACK, 0x1);
+			break;
 		case 124: /* UVD */
 			DRM_DEBUG("IH: UVD int: 0x%08x\n", src_data);
 			radeon_fence_process(rdev, R600_RING_TYPE_UVD_INDEX);
@@ -7119,8 +7130,7 @@ int si_set_uvd_clocks(struct radeon_device *rdev, u32 vclk, u32 dclk)
 	WREG32_P(CG_UPLL_FUNC_CNTL, UPLL_BYPASS_EN_MASK, ~UPLL_BYPASS_EN_MASK);
 
 	if (!vclk || !dclk) {
-		/* keep the Bypass mode, put PLL to sleep */
-		WREG32_P(CG_UPLL_FUNC_CNTL, UPLL_SLEEP_MASK, ~UPLL_SLEEP_MASK);
+		/* keep the Bypass mode */
 		return 0;
 	}
 
@@ -7136,8 +7146,7 @@ int si_set_uvd_clocks(struct radeon_device *rdev, u32 vclk, u32 dclk)
 	/* set VCO_MODE to 1 */
 	WREG32_P(CG_UPLL_FUNC_CNTL, UPLL_VCO_MODE_MASK, ~UPLL_VCO_MODE_MASK);
 
-	/* toggle UPLL_SLEEP to 1 then back to 0 */
-	WREG32_P(CG_UPLL_FUNC_CNTL, UPLL_SLEEP_MASK, ~UPLL_SLEEP_MASK);
+	/* disable sleep mode */
 	WREG32_P(CG_UPLL_FUNC_CNTL, 0, ~UPLL_SLEEP_MASK);
 
 	/* deassert UPLL_RESET */
diff --git a/drivers/gpu/drm/radeon/sid.h b/drivers/gpu/drm/radeon/sid.h
index cbd91d226f3c..99a9835c9f61 100644
--- a/drivers/gpu/drm/radeon/sid.h
+++ b/drivers/gpu/drm/radeon/sid.h
@@ -358,6 +358,10 @@
 #define	CC_SYS_RB_BACKEND_DISABLE			0xe80
 #define	GC_USER_SYS_RB_BACKEND_DISABLE			0xe84
 
+#define SRBM_READ_ERROR					0xE98
+#define SRBM_INT_CNTL					0xEA0
+#define SRBM_INT_ACK					0xEA8
+
 #define	SRBM_STATUS2				        0x0EC4
 #define		DMA_BUSY 				(1 << 5)
 #define		DMA1_BUSY 				(1 << 6)
@@ -908,8 +912,8 @@
 
 #define DCCG_AUDIO_DTO0_PHASE                           0x05b0
 #define DCCG_AUDIO_DTO0_MODULE                          0x05b4
-#define DCCG_AUDIO_DTO1_PHASE                           0x05b8
-#define DCCG_AUDIO_DTO1_MODULE                          0x05bc
+#define DCCG_AUDIO_DTO1_PHASE                           0x05c0
+#define DCCG_AUDIO_DTO1_MODULE                          0x05c4
 
 #define AFMT_AUDIO_SRC_CONTROL                          0x713c
 #define		AFMT_AUDIO_SRC_SELECT(x)		(((x) & 7) << 0)
diff --git a/drivers/gpu/drm/tegra/dc.c b/drivers/gpu/drm/tegra/dc.c
index 3aaa84ae2681..1a52522f5da7 100644
--- a/drivers/gpu/drm/tegra/dc.c
+++ b/drivers/gpu/drm/tegra/dc.c
@@ -997,8 +997,10 @@ static void tegra_crtc_reset(struct drm_crtc *crtc)
 	crtc->state = NULL;
 
 	state = kzalloc(sizeof(*state), GFP_KERNEL);
-	if (state)
+	if (state) {
 		crtc->state = &state->base;
+		crtc->state->crtc = crtc;
+	}
 }
 
 static struct drm_crtc_state *
@@ -1012,6 +1014,7 @@ tegra_crtc_atomic_duplicate_state(struct drm_crtc *crtc)
 		return NULL;
 
 	copy->base.mode_changed = false;
+	copy->base.active_changed = false;
 	copy->base.planes_changed = false;
 	copy->base.event = NULL;
 
@@ -1227,9 +1230,6 @@ static void tegra_crtc_mode_set_nofb(struct drm_crtc *crtc)
 	/* program display mode */
 	tegra_dc_set_timings(dc, mode);
 
-	if (dc->soc->supports_border_color)
-		tegra_dc_writel(dc, 0, DC_DISP_BORDER_COLOR);
-
 	/* interlacing isn't supported yet, so disable it */
 	if (dc->soc->supports_interlacing) {
 		value = tegra_dc_readl(dc, DC_DISP_INTERLACE_CONTROL);
@@ -1252,42 +1252,7 @@ static void tegra_crtc_mode_set_nofb(struct drm_crtc *crtc)
 
 static void tegra_crtc_prepare(struct drm_crtc *crtc)
 {
-	struct tegra_dc *dc = to_tegra_dc(crtc);
-	unsigned int syncpt;
-	unsigned long value;
-
 	drm_crtc_vblank_off(crtc);
-
-	if (dc->pipe)
-		syncpt = SYNCPT_VBLANK1;
-	else
-		syncpt = SYNCPT_VBLANK0;
-
-	/* initialize display controller */
-	tegra_dc_writel(dc, 0x00000100, DC_CMD_GENERAL_INCR_SYNCPT_CNTRL);
-	tegra_dc_writel(dc, 0x100 | syncpt, DC_CMD_CONT_SYNCPT_VSYNC);
-
-	value = WIN_A_UF_INT | WIN_B_UF_INT | WIN_C_UF_INT | WIN_A_OF_INT;
-	tegra_dc_writel(dc, value, DC_CMD_INT_TYPE);
-
-	value = WIN_A_UF_INT | WIN_B_UF_INT | WIN_C_UF_INT |
-		WIN_A_OF_INT | WIN_B_OF_INT | WIN_C_OF_INT;
-	tegra_dc_writel(dc, value, DC_CMD_INT_POLARITY);
-
-	/* initialize timer */
-	value = CURSOR_THRESHOLD(0) | WINDOW_A_THRESHOLD(0x20) |
-		WINDOW_B_THRESHOLD(0x20) | WINDOW_C_THRESHOLD(0x20);
-	tegra_dc_writel(dc, value, DC_DISP_DISP_MEM_HIGH_PRIORITY);
-
-	value = CURSOR_THRESHOLD(0) | WINDOW_A_THRESHOLD(1) |
-		WINDOW_B_THRESHOLD(1) | WINDOW_C_THRESHOLD(1);
-	tegra_dc_writel(dc, value, DC_DISP_DISP_MEM_HIGH_PRIORITY_TIMER);
-
-	value = VBLANK_INT | WIN_A_UF_INT | WIN_B_UF_INT | WIN_C_UF_INT;
-	tegra_dc_writel(dc, value, DC_CMD_INT_ENABLE);
-
-	value = WIN_A_UF_INT | WIN_B_UF_INT | WIN_C_UF_INT;
-	tegra_dc_writel(dc, value, DC_CMD_INT_MASK);
 }
 
 static void tegra_crtc_commit(struct drm_crtc *crtc)
@@ -1664,6 +1629,8 @@ static int tegra_dc_init(struct host1x_client *client)
 	struct tegra_drm *tegra = drm->dev_private;
 	struct drm_plane *primary = NULL;
 	struct drm_plane *cursor = NULL;
+	unsigned int syncpt;
+	u32 value;
 	int err;
 
 	if (tegra->domain) {
@@ -1730,6 +1697,40 @@ static int tegra_dc_init(struct host1x_client *client)
 		goto cleanup;
 	}
 
+	/* initialize display controller */
+	if (dc->pipe)
+		syncpt = SYNCPT_VBLANK1;
+	else
+		syncpt = SYNCPT_VBLANK0;
+
+	tegra_dc_writel(dc, 0x00000100, DC_CMD_GENERAL_INCR_SYNCPT_CNTRL);
+	tegra_dc_writel(dc, 0x100 | syncpt, DC_CMD_CONT_SYNCPT_VSYNC);
+
+	value = WIN_A_UF_INT | WIN_B_UF_INT | WIN_C_UF_INT | WIN_A_OF_INT;
+	tegra_dc_writel(dc, value, DC_CMD_INT_TYPE);
+
+	value = WIN_A_UF_INT | WIN_B_UF_INT | WIN_C_UF_INT |
+		WIN_A_OF_INT | WIN_B_OF_INT | WIN_C_OF_INT;
+	tegra_dc_writel(dc, value, DC_CMD_INT_POLARITY);
+
+	/* initialize timer */
+	value = CURSOR_THRESHOLD(0) | WINDOW_A_THRESHOLD(0x20) |
+		WINDOW_B_THRESHOLD(0x20) | WINDOW_C_THRESHOLD(0x20);
+	tegra_dc_writel(dc, value, DC_DISP_DISP_MEM_HIGH_PRIORITY);
+
+	value = CURSOR_THRESHOLD(0) | WINDOW_A_THRESHOLD(1) |
+		WINDOW_B_THRESHOLD(1) | WINDOW_C_THRESHOLD(1);
+	tegra_dc_writel(dc, value, DC_DISP_DISP_MEM_HIGH_PRIORITY_TIMER);
+
+	value = VBLANK_INT | WIN_A_UF_INT | WIN_B_UF_INT | WIN_C_UF_INT;
+	tegra_dc_writel(dc, value, DC_CMD_INT_ENABLE);
+
+	value = WIN_A_UF_INT | WIN_B_UF_INT | WIN_C_UF_INT;
+	tegra_dc_writel(dc, value, DC_CMD_INT_MASK);
+
+	if (dc->soc->supports_border_color)
+		tegra_dc_writel(dc, 0, DC_DISP_BORDER_COLOR);
+
 	return 0;
 
 cleanup:
diff --git a/drivers/gpu/drm/tegra/hdmi.c b/drivers/gpu/drm/tegra/hdmi.c
index 7e06657ae58b..7eaaee74a039 100644
--- a/drivers/gpu/drm/tegra/hdmi.c
+++ b/drivers/gpu/drm/tegra/hdmi.c
@@ -851,6 +851,14 @@ static void tegra_hdmi_encoder_mode_set(struct drm_encoder *encoder,
 	h_back_porch = mode->htotal - mode->hsync_end;
 	h_front_porch = mode->hsync_start - mode->hdisplay;
 
+	err = clk_set_rate(hdmi->clk, pclk);
+	if (err < 0) {
+		dev_err(hdmi->dev, "failed to set HDMI clock frequency: %d\n",
+			err);
+	}
+
+	DRM_DEBUG_KMS("HDMI clock rate: %lu Hz\n", clk_get_rate(hdmi->clk));
+
 	/* power up sequence */
 	value = tegra_hdmi_readl(hdmi, HDMI_NV_PDISP_SOR_PLL0);
 	value &= ~SOR_PLL_PDBG;
diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index d395b0bef73b..8d9b7de25613 100644
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -74,7 +74,7 @@ static void ttm_mem_type_debug(struct ttm_bo_device *bdev, int mem_type)
 	pr_err("    has_type: %d\n", man->has_type);
 	pr_err("    use_type: %d\n", man->use_type);
 	pr_err("    flags: 0x%08X\n", man->flags);
-	pr_err("    gpu_offset: 0x%08lX\n", man->gpu_offset);
+	pr_err("    gpu_offset: 0x%08llX\n", man->gpu_offset);
 	pr_err("    size: %llu\n", man->size);
 	pr_err("    available_caching: 0x%08X\n", man->available_caching);
 	pr_err("    default_caching: 0x%08X\n", man->default_caching);
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
index 6c6b655defcf..e13b9cbc304e 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
@@ -725,32 +725,6 @@ static int vmw_driver_load(struct drm_device *dev, unsigned long chipset)
 		goto out_err1;
 	}
 
-	ret = ttm_bo_init_mm(&dev_priv->bdev, TTM_PL_VRAM,
-			     (dev_priv->vram_size >> PAGE_SHIFT));
-	if (unlikely(ret != 0)) {
-		DRM_ERROR("Failed initializing memory manager for VRAM.\n");
-		goto out_err2;
-	}
-
-	dev_priv->has_gmr = true;
-	if (((dev_priv->capabilities & (SVGA_CAP_GMR | SVGA_CAP_GMR2)) == 0) ||
-	    refuse_dma || ttm_bo_init_mm(&dev_priv->bdev, VMW_PL_GMR,
-					 VMW_PL_GMR) != 0) {
-		DRM_INFO("No GMR memory available. "
-			 "Graphics memory resources are very limited.\n");
-		dev_priv->has_gmr = false;
-	}
-
-	if (dev_priv->capabilities & SVGA_CAP_GBOBJECTS) {
-		dev_priv->has_mob = true;
-		if (ttm_bo_init_mm(&dev_priv->bdev, VMW_PL_MOB,
-				   VMW_PL_MOB) != 0) {
-			DRM_INFO("No MOB memory available. "
-				 "3D will be disabled.\n");
-			dev_priv->has_mob = false;
-		}
-	}
-
 	dev_priv->mmio_mtrr = arch_phys_wc_add(dev_priv->mmio_start,
 					       dev_priv->mmio_size);
 
@@ -813,6 +787,33 @@ static int vmw_driver_load(struct drm_device *dev, unsigned long chipset)
 		goto out_no_fman;
 	}
 
+
+	ret = ttm_bo_init_mm(&dev_priv->bdev, TTM_PL_VRAM,
+			     (dev_priv->vram_size >> PAGE_SHIFT));
+	if (unlikely(ret != 0)) {
+		DRM_ERROR("Failed initializing memory manager for VRAM.\n");
+		goto out_no_vram;
+	}
+
+	dev_priv->has_gmr = true;
+	if (((dev_priv->capabilities & (SVGA_CAP_GMR | SVGA_CAP_GMR2)) == 0) ||
+	    refuse_dma || ttm_bo_init_mm(&dev_priv->bdev, VMW_PL_GMR,
+					 VMW_PL_GMR) != 0) {
+		DRM_INFO("No GMR memory available. "
+			 "Graphics memory resources are very limited.\n");
+		dev_priv->has_gmr = false;
+	}
+
+	if (dev_priv->capabilities & SVGA_CAP_GBOBJECTS) {
+		dev_priv->has_mob = true;
+		if (ttm_bo_init_mm(&dev_priv->bdev, VMW_PL_MOB,
+				   VMW_PL_MOB) != 0) {
+			DRM_INFO("No MOB memory available. "
+				 "3D will be disabled.\n");
+			dev_priv->has_mob = false;
+		}
+	}
+
 	vmw_kms_save_vga(dev_priv);
 
 	/* Start kms and overlay systems, needs fifo. */
@@ -838,6 +839,12 @@ out_no_fifo:
 	vmw_kms_close(dev_priv);
 out_no_kms:
 	vmw_kms_restore_vga(dev_priv);
+	if (dev_priv->has_mob)
+		(void) ttm_bo_clean_mm(&dev_priv->bdev, VMW_PL_MOB);
+	if (dev_priv->has_gmr)
+		(void) ttm_bo_clean_mm(&dev_priv->bdev, VMW_PL_GMR);
+	(void)ttm_bo_clean_mm(&dev_priv->bdev, TTM_PL_VRAM);
+out_no_vram:
 	vmw_fence_manager_takedown(dev_priv->fman);
 out_no_fman:
 	if (dev_priv->capabilities & SVGA_CAP_IRQMASK)
@@ -853,12 +860,6 @@ out_err4:
 	iounmap(dev_priv->mmio_virt);
 out_err3:
 	arch_phys_wc_del(dev_priv->mmio_mtrr);
-	if (dev_priv->has_mob)
-		(void) ttm_bo_clean_mm(&dev_priv->bdev, VMW_PL_MOB);
-	if (dev_priv->has_gmr)
-		(void) ttm_bo_clean_mm(&dev_priv->bdev, VMW_PL_GMR);
-	(void)ttm_bo_clean_mm(&dev_priv->bdev, TTM_PL_VRAM);
-out_err2:
 	(void)ttm_bo_device_release(&dev_priv->bdev);
 out_err1:
 	vmw_ttm_global_release(dev_priv);
@@ -887,6 +888,13 @@ static int vmw_driver_unload(struct drm_device *dev)
 	}
 	vmw_kms_close(dev_priv);
 	vmw_overlay_close(dev_priv);
+
+	if (dev_priv->has_mob)
+		(void) ttm_bo_clean_mm(&dev_priv->bdev, VMW_PL_MOB);
+	if (dev_priv->has_gmr)
+		(void)ttm_bo_clean_mm(&dev_priv->bdev, VMW_PL_GMR);
+	(void)ttm_bo_clean_mm(&dev_priv->bdev, TTM_PL_VRAM);
+
 	vmw_fence_manager_takedown(dev_priv->fman);
 	if (dev_priv->capabilities & SVGA_CAP_IRQMASK)
 		drm_irq_uninstall(dev_priv->dev);
@@ -898,11 +906,6 @@ static int vmw_driver_unload(struct drm_device *dev)
 	ttm_object_device_release(&dev_priv->tdev);
 	iounmap(dev_priv->mmio_virt);
 	arch_phys_wc_del(dev_priv->mmio_mtrr);
-	if (dev_priv->has_mob)
-		(void) ttm_bo_clean_mm(&dev_priv->bdev, VMW_PL_MOB);
-	if (dev_priv->has_gmr)
-		(void)ttm_bo_clean_mm(&dev_priv->bdev, VMW_PL_GMR);
-	(void)ttm_bo_clean_mm(&dev_priv->bdev, TTM_PL_VRAM);
 	(void)ttm_bo_device_release(&dev_priv->bdev);
 	vmw_ttm_global_release(dev_priv);
 
@@ -1235,6 +1238,7 @@ static void vmw_remove(struct pci_dev *pdev)
 {
 	struct drm_device *dev = pci_get_drvdata(pdev);
 
+	pci_disable_device(pdev);
 	drm_put_dev(dev);
 }
 
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
index 33176d05db35..654c8daeb5ab 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
@@ -890,7 +890,8 @@ static int vmw_translate_mob_ptr(struct vmw_private *dev_priv,
 	ret = vmw_user_dmabuf_lookup(sw_context->fp->tfile, handle, &vmw_bo);
 	if (unlikely(ret != 0)) {
 		DRM_ERROR("Could not find or use MOB buffer.\n");
-		return -EINVAL;
+		ret = -EINVAL;
+		goto out_no_reloc;
 	}
 	bo = &vmw_bo->base;
 
@@ -914,7 +915,7 @@ static int vmw_translate_mob_ptr(struct vmw_private *dev_priv,
 
 out_no_reloc:
 	vmw_dmabuf_unreference(&vmw_bo);
-	vmw_bo_p = NULL;
+	*vmw_bo_p = NULL;
 	return ret;
 }
 
@@ -951,7 +952,8 @@ static int vmw_translate_guest_ptr(struct vmw_private *dev_priv,
 	ret = vmw_user_dmabuf_lookup(sw_context->fp->tfile, handle, &vmw_bo);
 	if (unlikely(ret != 0)) {
 		DRM_ERROR("Could not find or use GMR region.\n");
-		return -EINVAL;
+		ret = -EINVAL;
+		goto out_no_reloc;
 	}
 	bo = &vmw_bo->base;
 
@@ -974,7 +976,7 @@ static int vmw_translate_guest_ptr(struct vmw_private *dev_priv,
 
 out_no_reloc:
 	vmw_dmabuf_unreference(&vmw_bo);
-	vmw_bo_p = NULL;
+	*vmw_bo_p = NULL;
 	return ret;
 }
 
@@ -2780,13 +2782,11 @@ int vmw_execbuf_ioctl(struct drm_device *dev, void *data,
 				  NULL, arg->command_size, arg->throttle_us,
 				  (void __user *)(unsigned long)arg->fence_rep,
 				  NULL);
-
+	ttm_read_unlock(&dev_priv->reservation_sem);
 	if (unlikely(ret != 0))
-		goto out_unlock;
+		return ret;
 
 	vmw_kms_cursor_post_execbuf(dev_priv);
 
-out_unlock:
-	ttm_read_unlock(&dev_priv->reservation_sem);
-	return ret;
+	return 0;
 }
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
index 8725b79e7847..07cda8cbbddb 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
@@ -2033,23 +2033,17 @@ int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data,
 	int i;
 	struct drm_mode_config *mode_config = &dev->mode_config;
 
-	ret = ttm_read_lock(&dev_priv->reservation_sem, true);
-	if (unlikely(ret != 0))
-		return ret;
-
 	if (!arg->num_outputs) {
 		struct drm_vmw_rect def_rect = {0, 0, 800, 600};
 		vmw_du_update_layout(dev_priv, 1, &def_rect);
-		goto out_unlock;
+		return 0;
 	}
 
 	rects_size = arg->num_outputs * sizeof(struct drm_vmw_rect);
 	rects = kcalloc(arg->num_outputs, sizeof(struct drm_vmw_rect),
 			GFP_KERNEL);
-	if (unlikely(!rects)) {
-		ret = -ENOMEM;
-		goto out_unlock;
-	}
+	if (unlikely(!rects))
+		return -ENOMEM;
 
 	user_rects = (void __user *)(unsigned long)arg->rects;
 	ret = copy_from_user(rects, user_rects, rects_size);
@@ -2074,7 +2068,5 @@ int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data,
 
 out_free:
 	kfree(rects);
-out_unlock:
-	ttm_read_unlock(&dev_priv->reservation_sem);
 	return ret;
 }
diff --git a/drivers/gpu/ipu-v3/ipu-di.c b/drivers/gpu/ipu-v3/ipu-di.c
index b61d6be97602..3ddfb3d0b64d 100644
--- a/drivers/gpu/ipu-v3/ipu-di.c
+++ b/drivers/gpu/ipu-v3/ipu-di.c
@@ -459,6 +459,8 @@ static void ipu_di_config_clock(struct ipu_di *di,
 
 		clkrate = clk_get_rate(di->clk_ipu);
 		div = DIV_ROUND_CLOSEST(clkrate, sig->mode.pixelclock);
+		if (div == 0)
+			div = 1;
 		rate = clkrate / div;
 
 		error = rate / (sig->mode.pixelclock / 1000);
diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index db4fb6e1cc5b..7c669c328c4c 100644
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -1872,6 +1872,7 @@ static const struct hid_device_id hid_have_special_driver[] = {
 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_SIDEWINDER_GV) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K_JP) },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE7K) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_LK6K) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_USB) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_3K) },
@@ -1926,6 +1927,7 @@ static const struct hid_device_id hid_have_special_driver[] = {
 #endif
 #if IS_ENABLED(CONFIG_HID_SAITEK)
 	{ HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_PS1000) },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_RAT7_OLD) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_RAT7) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_MMO7) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_MADCATZ, USB_DEVICE_ID_MADCATZ_RAT9) },
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index 46edb4d3ed28..204312bfab2c 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -654,6 +654,7 @@
 #define USB_DEVICE_ID_MS_LK6K		0x00f9
 #define USB_DEVICE_ID_MS_PRESENTER_8K_BT	0x0701
 #define USB_DEVICE_ID_MS_PRESENTER_8K_USB	0x0713
+#define USB_DEVICE_ID_MS_NE7K		0x071d
 #define USB_DEVICE_ID_MS_DIGITAL_MEDIA_3K	0x0730
 #define USB_DEVICE_ID_MS_COMFORT_MOUSE_4500	0x076c
 #define USB_DEVICE_ID_MS_SURFACE_PRO_2   0x0799
@@ -802,6 +803,7 @@
 #define USB_VENDOR_ID_SAITEK		0x06a3
 #define USB_DEVICE_ID_SAITEK_RUMBLEPAD	0xff17
 #define USB_DEVICE_ID_SAITEK_PS1000	0x0621
+#define USB_DEVICE_ID_SAITEK_RAT7_OLD	0x0ccb
 #define USB_DEVICE_ID_SAITEK_RAT7	0x0cd7
 #define USB_DEVICE_ID_SAITEK_MMO7	0x0cd0
 
diff --git a/drivers/hid/hid-microsoft.c b/drivers/hid/hid-microsoft.c
index fbaea6eb882e..af935eb198c9 100644
--- a/drivers/hid/hid-microsoft.c
+++ b/drivers/hid/hid-microsoft.c
@@ -264,6 +264,8 @@ static const struct hid_device_id ms_devices[] = {
 		.driver_data = MS_ERGONOMY },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K_JP),
 		.driver_data = MS_ERGONOMY },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE7K),
+		.driver_data = MS_ERGONOMY },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_LK6K),
 		.driver_data = MS_ERGONOMY | MS_RDESC },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_USB),
diff --git a/drivers/hid/hid-saitek.c b/drivers/hid/hid-saitek.c
index 5632c54eadf0..a014f21275d8 100644
--- a/drivers/hid/hid-saitek.c
+++ b/drivers/hid/hid-saitek.c
@@ -177,6 +177,8 @@ static int saitek_event(struct hid_device *hdev, struct hid_field *field,
 static const struct hid_device_id saitek_devices[] = {
 	{ HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_PS1000),
 		.driver_data = SAITEK_FIX_PS1000 },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_RAT7_OLD),
+		.driver_data = SAITEK_RELEASE_MODE_RAT7 },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_RAT7),
 		.driver_data = SAITEK_RELEASE_MODE_RAT7 },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_MADCATZ, USB_DEVICE_ID_MADCATZ_RAT9),
diff --git a/drivers/hid/hid-sensor-hub.c b/drivers/hid/hid-sensor-hub.c
index 6a58b6c723aa..e54ce1097e2c 100644
--- a/drivers/hid/hid-sensor-hub.c
+++ b/drivers/hid/hid-sensor-hub.c
@@ -135,8 +135,9 @@ static struct hid_sensor_hub_callbacks *sensor_hub_get_callback(
 {
 	struct hid_sensor_hub_callbacks_list *callback;
 	struct sensor_hub_data *pdata = hid_get_drvdata(hdev);
+	unsigned long flags;
 
-	spin_lock(&pdata->dyn_callback_lock);
+	spin_lock_irqsave(&pdata->dyn_callback_lock, flags);
 	list_for_each_entry(callback, &pdata->dyn_callback_list, list)
 		if (callback->usage_id == usage_id &&
 			(collection_index >=
@@ -145,10 +146,11 @@ static struct hid_sensor_hub_callbacks *sensor_hub_get_callback(
 				callback->hsdev->end_collection_index)) {
 			*priv = callback->priv;
 			*hsdev = callback->hsdev;
-			spin_unlock(&pdata->dyn_callback_lock);
+			spin_unlock_irqrestore(&pdata->dyn_callback_lock,
+					       flags);
 			return callback->usage_callback;
 		}
-	spin_unlock(&pdata->dyn_callback_lock);
+	spin_unlock_irqrestore(&pdata->dyn_callback_lock, flags);
 
 	return NULL;
 }
diff --git a/drivers/hid/hid-sony.c b/drivers/hid/hid-sony.c
index 31e9d2561106..1896c019e302 100644
--- a/drivers/hid/hid-sony.c
+++ b/drivers/hid/hid-sony.c
@@ -804,7 +804,7 @@ union sixaxis_output_report_01 {
 #define DS4_REPORT_0x81_SIZE 7
 #define SIXAXIS_REPORT_0xF2_SIZE 18
 
-static spinlock_t sony_dev_list_lock;
+static DEFINE_SPINLOCK(sony_dev_list_lock);
 static LIST_HEAD(sony_device_list);
 static DEFINE_IDA(sony_device_id_allocator);
 
@@ -1944,6 +1944,8 @@ static int sony_probe(struct hid_device *hdev, const struct hid_device_id *id)
 		return -ENOMEM;
 	}
 
+	spin_lock_init(&sc->lock);
+
 	sc->quirks = quirks;
 	hid_set_drvdata(hdev, sc);
 	sc->hdev = hdev;
@@ -2147,8 +2149,8 @@ static void __exit sony_exit(void)
 {
 	dbg_hid("Sony:%s\n", __func__);
 
-	ida_destroy(&sony_device_id_allocator);
 	hid_unregister_driver(&sony_driver);
+	ida_destroy(&sony_device_id_allocator);
 }
 module_init(sony_init);
 module_exit(sony_exit);
diff --git a/drivers/hid/i2c-hid/i2c-hid.c b/drivers/hid/i2c-hid/i2c-hid.c
index d43e967e7533..36053f33d6d9 100644
--- a/drivers/hid/i2c-hid/i2c-hid.c
+++ b/drivers/hid/i2c-hid/i2c-hid.c
@@ -370,7 +370,10 @@ static int i2c_hid_hwreset(struct i2c_client *client)
 static void i2c_hid_get_input(struct i2c_hid *ihid)
 {
 	int ret, ret_size;
-	int size = ihid->bufsize;
+	int size = le16_to_cpu(ihid->hdesc.wMaxInputLength);
+
+	if (size > ihid->bufsize)
+		size = ihid->bufsize;
 
 	ret = i2c_master_recv(ihid->client, ihid->inbuf, size);
 	if (ret != size) {
@@ -785,7 +788,7 @@ static int i2c_hid_init_irq(struct i2c_client *client)
 	dev_dbg(&client->dev, "Requesting IRQ: %d\n", client->irq);
 
 	ret = request_threaded_irq(client->irq, NULL, i2c_hid_irq,
-			IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
+			IRQF_TRIGGER_LOW | IRQF_ONESHOT,
 			client->name, ihid);
 	if (ret < 0) {
 		dev_warn(&client->dev,
diff --git a/drivers/hid/wacom_wac.c b/drivers/hid/wacom_wac.c
index 1a6507999a65..046351cf17f3 100644
--- a/drivers/hid/wacom_wac.c
+++ b/drivers/hid/wacom_wac.c
@@ -778,6 +778,11 @@ static int wacom_intuos_irq(struct wacom_wac *wacom)
 			input_report_abs(input, ABS_X, be16_to_cpup((__be16 *)&data[4]));
 			input_report_abs(input, ABS_Y, be16_to_cpup((__be16 *)&data[6]));
 			input_report_abs(input, ABS_Z, be16_to_cpup((__be16 *)&data[8]));
+			if ((data[2] & 0x07) | data[4] | data[5] | data[6] | data[7] | data[8] | data[9]) {
+				input_report_abs(input, ABS_MISC, PAD_DEVICE_ID);
+			} else {
+				input_report_abs(input, ABS_MISC, 0);
+			}
 		} else if (features->type == CINTIQ_HYBRID) {
 			/*
 			 * Do not send hardware buttons under Android. They
@@ -2725,9 +2730,9 @@ static const struct wacom_features wacom_features_0xF6 =
 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0xf8, .touch_max = 10,
 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
 static const struct wacom_features wacom_features_0x32A =
-	{ "Wacom Cintiq 27QHD", 119740, 67520, 2047,
-	  63, WACOM_27QHD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES,
-	  WACOM_27QHD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES };
+	{ "Wacom Cintiq 27QHD", 119740, 67520, 2047, 63,
+	  WACOM_27QHD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES,
+	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET };
 static const struct wacom_features wacom_features_0x32B =
 	{ "Wacom Cintiq 27QHD touch", 119740, 67520, 2047, 63,
 	  WACOM_27QHD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES,
diff --git a/drivers/hwmon/ads7828.c b/drivers/hwmon/ads7828.c
index bce4e9ff21bf..6c99ee7bafa3 100644
--- a/drivers/hwmon/ads7828.c
+++ b/drivers/hwmon/ads7828.c
@@ -147,6 +147,9 @@ static int ads7828_probe(struct i2c_client *client,
 						    &ads2830_regmap_config);
 	}
 
+	if (IS_ERR(data->regmap))
+		return PTR_ERR(data->regmap);
+
 	data->cmd_byte = ext_vref ? ADS7828_CMD_PD1 : ADS7828_CMD_PD3;
 	if (!diff_input)
 		data->cmd_byte |= ADS7828_CMD_SD_SE;
diff --git a/drivers/i2c/busses/i2c-designware-baytrail.c b/drivers/i2c/busses/i2c-designware-baytrail.c
index 5f1ff4cc5c34..7d7ae97476e2 100644
--- a/drivers/i2c/busses/i2c-designware-baytrail.c
+++ b/drivers/i2c/busses/i2c-designware-baytrail.c
@@ -17,27 +17,31 @@
 #include <linux/acpi.h>
 #include <linux/i2c.h>
 #include <linux/interrupt.h>
+
 #include <asm/iosf_mbi.h>
+
 #include "i2c-designware-core.h"
 
 #define SEMAPHORE_TIMEOUT	100
 #define PUNIT_SEMAPHORE		0x7
+#define PUNIT_SEMAPHORE_BIT	BIT(0)
+#define PUNIT_SEMAPHORE_ACQUIRE	BIT(1)
 
 static unsigned long acquired;
 
 static int get_sem(struct device *dev, u32 *sem)
 {
-	u32 reg_val;
+	u32 data;
 	int ret;
 
 	ret = iosf_mbi_read(BT_MBI_UNIT_PMC, BT_MBI_BUNIT_READ, PUNIT_SEMAPHORE,
-			    &reg_val);
+				&data);
 	if (ret) {
 		dev_err(dev, "iosf failed to read punit semaphore\n");
 		return ret;
 	}
 
-	*sem = reg_val & 0x1;
+	*sem = data & PUNIT_SEMAPHORE_BIT;
 
 	return 0;
 }
@@ -52,27 +56,29 @@ static void reset_semaphore(struct device *dev)
 		return;
 	}
 
-	data = data & 0xfffffffe;
+	data &= ~PUNIT_SEMAPHORE_BIT;
 	if (iosf_mbi_write(BT_MBI_UNIT_PMC, BT_MBI_BUNIT_WRITE,
-				 PUNIT_SEMAPHORE, data))
+				PUNIT_SEMAPHORE, data))
 		dev_err(dev, "iosf failed to reset punit semaphore during write\n");
 }
 
-int baytrail_i2c_acquire(struct dw_i2c_dev *dev)
+static int baytrail_i2c_acquire(struct dw_i2c_dev *dev)
 {
-	u32 sem = 0;
+	u32 sem;
 	int ret;
 	unsigned long start, end;
 
+	might_sleep();
+
 	if (!dev || !dev->dev)
 		return -ENODEV;
 
-	if (!dev->acquire_lock)
+	if (!dev->release_lock)
 		return 0;
 
-	/* host driver writes 0x2 to side band semaphore register */
+	/* host driver writes to side band semaphore register */
 	ret = iosf_mbi_write(BT_MBI_UNIT_PMC, BT_MBI_BUNIT_WRITE,
-				 PUNIT_SEMAPHORE, 0x2);
+				PUNIT_SEMAPHORE, PUNIT_SEMAPHORE_ACQUIRE);
 	if (ret) {
 		dev_err(dev->dev, "iosf punit semaphore request failed\n");
 		return ret;
@@ -81,7 +87,7 @@ int baytrail_i2c_acquire(struct dw_i2c_dev *dev)
 	/* host driver waits for bit 0 to be set in semaphore register */
 	start = jiffies;
 	end = start + msecs_to_jiffies(SEMAPHORE_TIMEOUT);
-	while (!time_after(jiffies, end)) {
+	do {
 		ret = get_sem(dev->dev, &sem);
 		if (!ret && sem) {
 			acquired = jiffies;
@@ -91,14 +97,14 @@ int baytrail_i2c_acquire(struct dw_i2c_dev *dev)
 		}
 
 		usleep_range(1000, 2000);
-	}
+	} while (time_before(jiffies, end));
 
 	dev_err(dev->dev, "punit semaphore timed out, resetting\n");
 	reset_semaphore(dev->dev);
 
 	ret = iosf_mbi_read(BT_MBI_UNIT_PMC, BT_MBI_BUNIT_READ,
-		PUNIT_SEMAPHORE, &sem);
-	if (!ret)
+				PUNIT_SEMAPHORE, &sem);
+	if (ret)
 		dev_err(dev->dev, "iosf failed to read punit semaphore\n");
 	else
 		dev_err(dev->dev, "PUNIT SEM: %d\n", sem);
@@ -107,9 +113,8 @@ int baytrail_i2c_acquire(struct dw_i2c_dev *dev)
 
 	return -ETIMEDOUT;
 }
-EXPORT_SYMBOL(baytrail_i2c_acquire);
 
-void baytrail_i2c_release(struct dw_i2c_dev *dev)
+static void baytrail_i2c_release(struct dw_i2c_dev *dev)
 {
 	if (!dev || !dev->dev)
 		return;
@@ -121,7 +126,6 @@ void baytrail_i2c_release(struct dw_i2c_dev *dev)
 	dev_dbg(dev->dev, "punit semaphore held for %ums\n",
 		jiffies_to_msecs(jiffies - acquired));
 }
-EXPORT_SYMBOL(baytrail_i2c_release);
 
 int i2c_dw_eval_lock_support(struct dw_i2c_dev *dev)
 {
@@ -137,7 +141,6 @@ int i2c_dw_eval_lock_support(struct dw_i2c_dev *dev)
 		return 0;
 
 	status = acpi_evaluate_integer(handle, "_SEM", NULL, &shared_host);
-
 	if (ACPI_FAILURE(status))
 		return 0;
 
@@ -153,7 +156,6 @@ int i2c_dw_eval_lock_support(struct dw_i2c_dev *dev)
 
 	return 0;
 }
-EXPORT_SYMBOL(i2c_dw_eval_lock_support);
 
 MODULE_AUTHOR("David E. Box <david.e.box@linux.intel.com>");
 MODULE_DESCRIPTION("Baytrail I2C Semaphore driver");
diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c
index 210cf4874cb7..edf274cabe81 100644
--- a/drivers/i2c/i2c-core.c
+++ b/drivers/i2c/i2c-core.c
@@ -679,9 +679,6 @@ static int i2c_device_remove(struct device *dev)
 		status = driver->remove(client);
 	}
 
-	if (dev->of_node)
-		irq_dispose_mapping(client->irq);
-
 	dev_pm_domain_detach(&client->dev, true);
 	return status;
 }
diff --git a/drivers/iio/adc/mcp3422.c b/drivers/iio/adc/mcp3422.c
index 51672256072b..b96c636470ef 100644
--- a/drivers/iio/adc/mcp3422.c
+++ b/drivers/iio/adc/mcp3422.c
@@ -58,20 +58,11 @@
 		.info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SAMP_FREQ), \
 	}
 
-/* LSB is in nV to eliminate floating point */
-static const u32 rates_to_lsb[] = {1000000, 250000, 62500, 15625};
-
-/*
- *  scales calculated as:
- *  rates_to_lsb[sample_rate] / (1 << pga);
- *  pga is 1 for 0, 2
- */
-
 static const int mcp3422_scales[4][4] = {
-	{ 1000000, 250000, 62500, 15625 },
-	{ 500000 , 125000, 31250, 7812 },
-	{ 250000 , 62500 , 15625, 3906 },
-	{ 125000 , 31250 , 7812 , 1953 } };
+	{ 1000000, 500000, 250000, 125000 },
+	{ 250000 , 125000, 62500 , 31250  },
+	{ 62500  , 31250 , 15625 , 7812   },
+	{ 15625  , 7812  , 3906  , 1953   } };
 
 /* Constant msleep times for data acquisitions */
 static const int mcp3422_read_times[4] = {
diff --git a/drivers/iio/adc/qcom-spmi-iadc.c b/drivers/iio/adc/qcom-spmi-iadc.c
index b9666f2f5e51..fabd24edc2a1 100644
--- a/drivers/iio/adc/qcom-spmi-iadc.c
+++ b/drivers/iio/adc/qcom-spmi-iadc.c
@@ -296,7 +296,8 @@ static int iadc_do_conversion(struct iadc_chip *iadc, int chan, u16 *data)
 	if (iadc->poll_eoc) {
 		ret = iadc_poll_wait_eoc(iadc, wait);
 	} else {
-		ret = wait_for_completion_timeout(&iadc->complete, wait);
+		ret = wait_for_completion_timeout(&iadc->complete,
+			usecs_to_jiffies(wait));
 		if (!ret)
 			ret = -ETIMEDOUT;
 		else
diff --git a/drivers/iio/common/ssp_sensors/ssp_dev.c b/drivers/iio/common/ssp_sensors/ssp_dev.c
index 52d70435f5a1..55a90082a29b 100644
--- a/drivers/iio/common/ssp_sensors/ssp_dev.c
+++ b/drivers/iio/common/ssp_sensors/ssp_dev.c
@@ -640,6 +640,7 @@ static int ssp_remove(struct spi_device *spi)
 	return 0;
 }
 
+#ifdef CONFIG_PM_SLEEP
 static int ssp_suspend(struct device *dev)
 {
 	int ret;
@@ -688,6 +689,7 @@ static int ssp_resume(struct device *dev)
 
 	return 0;
 }
+#endif /* CONFIG_PM_SLEEP */
 
 static const struct dev_pm_ops ssp_pm_ops = {
 	SET_SYSTEM_SLEEP_PM_OPS(ssp_suspend, ssp_resume)
diff --git a/drivers/iio/dac/ad5686.c b/drivers/iio/dac/ad5686.c
index f57562aa396f..15c73e20272d 100644
--- a/drivers/iio/dac/ad5686.c
+++ b/drivers/iio/dac/ad5686.c
@@ -322,7 +322,7 @@ static int ad5686_probe(struct spi_device *spi)
 	st = iio_priv(indio_dev);
 	spi_set_drvdata(spi, indio_dev);
 
-	st->reg = devm_regulator_get(&spi->dev, "vcc");
+	st->reg = devm_regulator_get_optional(&spi->dev, "vcc");
 	if (!IS_ERR(st->reg)) {
 		ret = regulator_enable(st->reg);
 		if (ret)
diff --git a/drivers/iio/humidity/dht11.c b/drivers/iio/humidity/dht11.c
index 623c145d8a97..7d79a1ac5f5f 100644
--- a/drivers/iio/humidity/dht11.c
+++ b/drivers/iio/humidity/dht11.c
@@ -29,6 +29,7 @@
 #include <linux/wait.h>
 #include <linux/bitops.h>
 #include <linux/completion.h>
+#include <linux/mutex.h>
 #include <linux/delay.h>
 #include <linux/gpio.h>
 #include <linux/of_gpio.h>
@@ -39,8 +40,12 @@
 
 #define DHT11_DATA_VALID_TIME	2000000000  /* 2s in ns */
 
-#define DHT11_EDGES_PREAMBLE 4
+#define DHT11_EDGES_PREAMBLE 2
 #define DHT11_BITS_PER_READ 40
+/*
+ * Note that when reading the sensor actually 84 edges are detected, but
+ * since the last edge is not significant, we only store 83:
+ */
 #define DHT11_EDGES_PER_READ (2*DHT11_BITS_PER_READ + DHT11_EDGES_PREAMBLE + 1)
 
 /* Data transmission timing (nano seconds) */
@@ -57,6 +62,7 @@ struct dht11 {
 	int				irq;
 
 	struct completion		completion;
+	struct mutex			lock;
 
 	s64				timestamp;
 	int				temperature;
@@ -88,7 +94,7 @@ static int dht11_decode(struct dht11 *dht11, int offset)
 	unsigned char temp_int, temp_dec, hum_int, hum_dec, checksum;
 
 	/* Calculate timestamp resolution */
-	for (i = 0; i < dht11->num_edges; ++i) {
+	for (i = 1; i < dht11->num_edges; ++i) {
 		t = dht11->edges[i].ts - dht11->edges[i-1].ts;
 		if (t > 0 && t < timeres)
 			timeres = t;
@@ -138,6 +144,27 @@ static int dht11_decode(struct dht11 *dht11, int offset)
 	return 0;
 }
 
+/*
+ * IRQ handler called on GPIO edges
+ */
+static irqreturn_t dht11_handle_irq(int irq, void *data)
+{
+	struct iio_dev *iio = data;
+	struct dht11 *dht11 = iio_priv(iio);
+
+	/* TODO: Consider making the handler safe for IRQ sharing */
+	if (dht11->num_edges < DHT11_EDGES_PER_READ && dht11->num_edges >= 0) {
+		dht11->edges[dht11->num_edges].ts = iio_get_time_ns();
+		dht11->edges[dht11->num_edges++].value =
+						gpio_get_value(dht11->gpio);
+
+		if (dht11->num_edges >= DHT11_EDGES_PER_READ)
+			complete(&dht11->completion);
+	}
+
+	return IRQ_HANDLED;
+}
+
 static int dht11_read_raw(struct iio_dev *iio_dev,
 			const struct iio_chan_spec *chan,
 			int *val, int *val2, long m)
@@ -145,6 +172,7 @@ static int dht11_read_raw(struct iio_dev *iio_dev,
 	struct dht11 *dht11 = iio_priv(iio_dev);
 	int ret;
 
+	mutex_lock(&dht11->lock);
 	if (dht11->timestamp + DHT11_DATA_VALID_TIME < iio_get_time_ns()) {
 		reinit_completion(&dht11->completion);
 
@@ -157,8 +185,17 @@ static int dht11_read_raw(struct iio_dev *iio_dev,
 		if (ret)
 			goto err;
 
+		ret = request_irq(dht11->irq, dht11_handle_irq,
+				  IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
+				  iio_dev->name, iio_dev);
+		if (ret)
+			goto err;
+
 		ret = wait_for_completion_killable_timeout(&dht11->completion,
 								 HZ);
+
+		free_irq(dht11->irq, iio_dev);
+
 		if (ret == 0 && dht11->num_edges < DHT11_EDGES_PER_READ - 1) {
 			dev_err(&iio_dev->dev,
 					"Only %d signal edges detected\n",
@@ -185,6 +222,7 @@ static int dht11_read_raw(struct iio_dev *iio_dev,
 		ret = -EINVAL;
 err:
 	dht11->num_edges = -1;
+	mutex_unlock(&dht11->lock);
 	return ret;
 }
 
@@ -193,27 +231,6 @@ static const struct iio_info dht11_iio_info = {
 	.read_raw		= dht11_read_raw,
 };
 
-/*
- * IRQ handler called on GPIO edges
-*/
-static irqreturn_t dht11_handle_irq(int irq, void *data)
-{
-	struct iio_dev *iio = data;
-	struct dht11 *dht11 = iio_priv(iio);
-
-	/* TODO: Consider making the handler safe for IRQ sharing */
-	if (dht11->num_edges < DHT11_EDGES_PER_READ && dht11->num_edges >= 0) {
-		dht11->edges[dht11->num_edges].ts = iio_get_time_ns();
-		dht11->edges[dht11->num_edges++].value =
-						gpio_get_value(dht11->gpio);
-
-		if (dht11->num_edges >= DHT11_EDGES_PER_READ)
-			complete(&dht11->completion);
-	}
-
-	return IRQ_HANDLED;
-}
-
 static const struct iio_chan_spec dht11_chan_spec[] = {
 	{ .type = IIO_TEMP,
 		.info_mask_separate = BIT(IIO_CHAN_INFO_PROCESSED), },
@@ -256,11 +273,6 @@ static int dht11_probe(struct platform_device *pdev)
 		dev_err(dev, "GPIO %d has no interrupt\n", dht11->gpio);
 		return -EINVAL;
 	}
-	ret = devm_request_irq(dev, dht11->irq, dht11_handle_irq,
-				IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
-				pdev->name, iio);
-	if (ret)
-		return ret;
 
 	dht11->timestamp = iio_get_time_ns() - DHT11_DATA_VALID_TIME - 1;
 	dht11->num_edges = -1;
@@ -268,6 +280,7 @@ static int dht11_probe(struct platform_device *pdev)
 	platform_set_drvdata(pdev, iio);
 
 	init_completion(&dht11->completion);
+	mutex_init(&dht11->lock);
 	iio->name = pdev->name;
 	iio->dev.parent = &pdev->dev;
 	iio->info = &dht11_iio_info;
diff --git a/drivers/iio/humidity/si7020.c b/drivers/iio/humidity/si7020.c
index b54164677b89..fa3b809aff5e 100644
--- a/drivers/iio/humidity/si7020.c
+++ b/drivers/iio/humidity/si7020.c
@@ -45,12 +45,12 @@ static int si7020_read_raw(struct iio_dev *indio_dev,
 			   struct iio_chan_spec const *chan, int *val,
 			   int *val2, long mask)
 {
-	struct i2c_client *client = iio_priv(indio_dev);
+	struct i2c_client **client = iio_priv(indio_dev);
 	int ret;
 
 	switch (mask) {
 	case IIO_CHAN_INFO_RAW:
-		ret = i2c_smbus_read_word_data(client,
+		ret = i2c_smbus_read_word_data(*client,
 					       chan->type == IIO_TEMP ?
 					       SI7020CMD_TEMP_HOLD :
 					       SI7020CMD_RH_HOLD);
@@ -126,7 +126,7 @@ static int si7020_probe(struct i2c_client *client,
 	/* Wait the maximum power-up time after software reset. */
 	msleep(15);
 
-	indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*client));
+	indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*data));
 	if (!indio_dev)
 		return -ENOMEM;
 
diff --git a/drivers/iio/imu/adis16400_core.c b/drivers/iio/imu/adis16400_core.c
index b70873de04ea..fa795dcd5f75 100644
--- a/drivers/iio/imu/adis16400_core.c
+++ b/drivers/iio/imu/adis16400_core.c
@@ -26,6 +26,7 @@
 #include <linux/list.h>
 #include <linux/module.h>
 #include <linux/debugfs.h>
+#include <linux/bitops.h>
 
 #include <linux/iio/iio.h>
 #include <linux/iio/sysfs.h>
@@ -414,7 +415,7 @@ static int adis16400_read_raw(struct iio_dev *indio_dev,
 		mutex_unlock(&indio_dev->mlock);
 		if (ret)
 			return ret;
-		val16 = ((val16 & 0xFFF) << 4) >> 4;
+		val16 = sign_extend32(val16, 11);
 		*val = val16;
 		return IIO_VAL_INT;
 	case IIO_CHAN_INFO_OFFSET:
diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c b/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c
index f73e60b7a796..d8d5bed65e07 100644
--- a/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c
+++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c
@@ -780,7 +780,11 @@ static int inv_mpu_probe(struct i2c_client *client,
 
 	i2c_set_clientdata(client, indio_dev);
 	indio_dev->dev.parent = &client->dev;
-	indio_dev->name = id->name;
+	/* id will be NULL when enumerated via ACPI */
+	if (id)
+		indio_dev->name = (char *)id->name;
+	else
+		indio_dev->name = (char *)dev_name(&client->dev);
 	indio_dev->channels = inv_mpu_channels;
 	indio_dev->num_channels = ARRAY_SIZE(inv_mpu_channels);
 
diff --git a/drivers/iio/light/Kconfig b/drivers/iio/light/Kconfig
index ae68c64bdad3..a224afd6380c 100644
--- a/drivers/iio/light/Kconfig
+++ b/drivers/iio/light/Kconfig
@@ -73,6 +73,7 @@ config CM36651
 config GP2AP020A00F
 	tristate "Sharp GP2AP020A00F Proximity/ALS sensor"
 	depends on I2C
+	select REGMAP_I2C
 	select IIO_BUFFER
 	select IIO_TRIGGERED_BUFFER
 	select IRQ_WORK
@@ -126,6 +127,7 @@ config HID_SENSOR_PROX
 config JSA1212
 	tristate "JSA1212 ALS and proximity sensor driver"
 	depends on I2C
+	select REGMAP_I2C
 	help
 	 Say Y here if you want to build a IIO driver for JSA1212
 	 proximity & ALS sensor device.
diff --git a/drivers/iio/magnetometer/Kconfig b/drivers/iio/magnetometer/Kconfig
index 4c7a4c52dd06..a5d6de72c523 100644
--- a/drivers/iio/magnetometer/Kconfig
+++ b/drivers/iio/magnetometer/Kconfig
@@ -18,6 +18,8 @@ config AK8975
 
 config AK09911
 	tristate "Asahi Kasei AK09911 3-axis Compass"
+	depends on I2C
+	depends on GPIOLIB
 	select AK8975
 	help
 	  Deprecated: AK09911 is now supported by AK8975 driver.
diff --git a/drivers/input/keyboard/tc3589x-keypad.c b/drivers/input/keyboard/tc3589x-keypad.c
index 8ff612d160b0..563932500ff1 100644
--- a/drivers/input/keyboard/tc3589x-keypad.c
+++ b/drivers/input/keyboard/tc3589x-keypad.c
@@ -411,9 +411,9 @@ static int tc3589x_keypad_probe(struct platform_device *pdev)
 
 	input_set_drvdata(input, keypad);
 
-	error = request_threaded_irq(irq, NULL,
-			tc3589x_keypad_irq, plat->irqtype,
-			"tc3589x-keypad", keypad);
+	error = request_threaded_irq(irq, NULL, tc3589x_keypad_irq,
+				     plat->irqtype | IRQF_ONESHOT,
+				     "tc3589x-keypad", keypad);
 	if (error < 0) {
 		dev_err(&pdev->dev,
 				"Could not allocate irq %d,error %d\n",
diff --git a/drivers/input/misc/mma8450.c b/drivers/input/misc/mma8450.c
index 59d4dcddf6de..98228773a111 100644
--- a/drivers/input/misc/mma8450.c
+++ b/drivers/input/misc/mma8450.c
@@ -187,6 +187,7 @@ static int mma8450_probe(struct i2c_client *c,
 	idev->private		= m;
 	idev->input->name	= MMA8450_DRV_NAME;
 	idev->input->id.bustype	= BUS_I2C;
+	idev->input->dev.parent = &c->dev;
 	idev->poll		= mma8450_poll;
 	idev->poll_interval	= POLL_INTERVAL;
 	idev->poll_interval_max	= POLL_INTERVAL_MAX;
diff --git a/drivers/input/mouse/alps.c b/drivers/input/mouse/alps.c
index d28726a0ef85..1bd15ebc01f2 100644
--- a/drivers/input/mouse/alps.c
+++ b/drivers/input/mouse/alps.c
@@ -2605,8 +2605,10 @@ int alps_detect(struct psmouse *psmouse, bool set_properties)
 		return -ENOMEM;
 
 	error = alps_identify(psmouse, priv);
-	if (error)
+	if (error) {
+		kfree(priv);
 		return error;
+	}
 
 	if (set_properties) {
 		psmouse->vendor = "ALPS";
diff --git a/drivers/input/mouse/cyapa_gen3.c b/drivers/input/mouse/cyapa_gen3.c
index 77e9d70a986b..1e2291c378fe 100644
--- a/drivers/input/mouse/cyapa_gen3.c
+++ b/drivers/input/mouse/cyapa_gen3.c
@@ -20,7 +20,7 @@
 #include <linux/input/mt.h>
 #include <linux/module.h>
 #include <linux/slab.h>
-#include <linux/unaligned/access_ok.h>
+#include <asm/unaligned.h>
 #include "cyapa.h"
 
 
diff --git a/drivers/input/mouse/cyapa_gen5.c b/drivers/input/mouse/cyapa_gen5.c
index ddf5393a1180..5b611dd71e79 100644
--- a/drivers/input/mouse/cyapa_gen5.c
+++ b/drivers/input/mouse/cyapa_gen5.c
@@ -17,7 +17,7 @@
 #include <linux/mutex.h>
 #include <linux/completion.h>
 #include <linux/slab.h>
-#include <linux/unaligned/access_ok.h>
+#include <asm/unaligned.h>
 #include <linux/crc-itu-t.h>
 #include "cyapa.h"
 
@@ -1926,7 +1926,7 @@ static int cyapa_gen5_read_idac_data(struct cyapa *cyapa,
 				electrodes_tx = cyapa->electrodes_x;
 			max_element_cnt = ((cyapa->aligned_electrodes_rx + 7) &
 						~7u) * electrodes_tx;
-		} else if (idac_data_type == GEN5_RETRIEVE_SELF_CAP_PWC_DATA) {
+		} else {
 			offset = 2;
 			max_element_cnt = cyapa->electrodes_x +
 						cyapa->electrodes_y;
diff --git a/drivers/input/mouse/focaltech.c b/drivers/input/mouse/focaltech.c
index 757f78a94aec..23d259416f2f 100644
--- a/drivers/input/mouse/focaltech.c
+++ b/drivers/input/mouse/focaltech.c
@@ -67,9 +67,6 @@ static void focaltech_reset(struct psmouse *psmouse)
 
 #define FOC_MAX_FINGERS 5
 
-#define FOC_MAX_X 2431
-#define FOC_MAX_Y 1663
-
 /*
  * Current state of a single finger on the touchpad.
  */
@@ -129,9 +126,17 @@ static void focaltech_report_state(struct psmouse *psmouse)
 		input_mt_slot(dev, i);
 		input_mt_report_slot_state(dev, MT_TOOL_FINGER, active);
 		if (active) {
-			input_report_abs(dev, ABS_MT_POSITION_X, finger->x);
+			unsigned int clamped_x, clamped_y;
+			/*
+			 * The touchpad might report invalid data, so we clamp
+			 * the resulting values so that we do not confuse
+			 * userspace.
+			 */
+			clamped_x = clamp(finger->x, 0U, priv->x_max);
+			clamped_y = clamp(finger->y, 0U, priv->y_max);
+			input_report_abs(dev, ABS_MT_POSITION_X, clamped_x);
 			input_report_abs(dev, ABS_MT_POSITION_Y,
-					 FOC_MAX_Y - finger->y);
+					 priv->y_max - clamped_y);
 		}
 	}
 	input_mt_report_pointer_emulation(dev, true);
@@ -180,16 +185,6 @@ static void focaltech_process_abs_packet(struct psmouse *psmouse,
 
 	state->pressed = (packet[0] >> 4) & 1;
 
-	/*
-	 * packet[5] contains some kind of tool size in the most
-	 * significant nibble. 0xff is a special value (latching) that
-	 * signals a large contact area.
-	 */
-	if (packet[5] == 0xff) {
-		state->fingers[finger].valid = false;
-		return;
-	}
-
 	state->fingers[finger].x = ((packet[1] & 0xf) << 8) | packet[2];
 	state->fingers[finger].y = (packet[3] << 8) | packet[4];
 	state->fingers[finger].valid = true;
@@ -381,6 +376,23 @@ static int focaltech_read_size(struct psmouse *psmouse)
 
 	return 0;
 }
+
+void focaltech_set_resolution(struct psmouse *psmouse, unsigned int resolution)
+{
+	/* not supported yet */
+}
+
+static void focaltech_set_rate(struct psmouse *psmouse, unsigned int rate)
+{
+	/* not supported yet */
+}
+
+static void focaltech_set_scale(struct psmouse *psmouse,
+				enum psmouse_scale scale)
+{
+	/* not supported yet */
+}
+
 int focaltech_init(struct psmouse *psmouse)
 {
 	struct focaltech_data *priv;
@@ -415,6 +427,14 @@ int focaltech_init(struct psmouse *psmouse)
 	psmouse->cleanup = focaltech_reset;
 	/* resync is not supported yet */
 	psmouse->resync_time = 0;
+	/*
+	 * rate/resolution/scale changes are not supported yet, and
+	 * the generic implementations of these functions seem to
+	 * confuse some touchpads
+	 */
+	psmouse->set_resolution = focaltech_set_resolution;
+	psmouse->set_rate = focaltech_set_rate;
+	psmouse->set_scale = focaltech_set_scale;
 
 	return 0;
 
diff --git a/drivers/input/mouse/psmouse-base.c b/drivers/input/mouse/psmouse-base.c
index 4ccd01d7a48d..8bc61237bc1b 100644
--- a/drivers/input/mouse/psmouse-base.c
+++ b/drivers/input/mouse/psmouse-base.c
@@ -454,6 +454,17 @@ static void psmouse_set_rate(struct psmouse *psmouse, unsigned int rate)
 }
 
 /*
+ * Here we set the mouse scaling.
+ */
+
+static void psmouse_set_scale(struct psmouse *psmouse, enum psmouse_scale scale)
+{
+	ps2_command(&psmouse->ps2dev, NULL,
+		    scale == PSMOUSE_SCALE21 ? PSMOUSE_CMD_SETSCALE21 :
+					       PSMOUSE_CMD_SETSCALE11);
+}
+
+/*
  * psmouse_poll() - default poll handler. Everyone except for ALPS uses it.
  */
 
@@ -689,6 +700,7 @@ static void psmouse_apply_defaults(struct psmouse *psmouse)
 
 	psmouse->set_rate = psmouse_set_rate;
 	psmouse->set_resolution = psmouse_set_resolution;
+	psmouse->set_scale = psmouse_set_scale;
 	psmouse->poll = psmouse_poll;
 	psmouse->protocol_handler = psmouse_process_byte;
 	psmouse->pktsize = 3;
@@ -1160,7 +1172,7 @@ static void psmouse_initialize(struct psmouse *psmouse)
 	if (psmouse_max_proto != PSMOUSE_PS2) {
 		psmouse->set_rate(psmouse, psmouse->rate);
 		psmouse->set_resolution(psmouse, psmouse->resolution);
-		ps2_command(&psmouse->ps2dev, NULL, PSMOUSE_CMD_SETSCALE11);
+		psmouse->set_scale(psmouse, PSMOUSE_SCALE11);
 	}
 }
 
diff --git a/drivers/input/mouse/psmouse.h b/drivers/input/mouse/psmouse.h
index c2ff137ecbdb..d02e1bdc9ae4 100644
--- a/drivers/input/mouse/psmouse.h
+++ b/drivers/input/mouse/psmouse.h
@@ -36,6 +36,11 @@ typedef enum {
 	PSMOUSE_FULL_PACKET
 } psmouse_ret_t;
 
+enum psmouse_scale {
+	PSMOUSE_SCALE11,
+	PSMOUSE_SCALE21
+};
+
 struct psmouse {
 	void *private;
 	struct input_dev *dev;
@@ -67,6 +72,7 @@ struct psmouse {
 	psmouse_ret_t (*protocol_handler)(struct psmouse *psmouse);
 	void (*set_rate)(struct psmouse *psmouse, unsigned int rate);
 	void (*set_resolution)(struct psmouse *psmouse, unsigned int resolution);
+	void (*set_scale)(struct psmouse *psmouse, enum psmouse_scale scale);
 
 	int (*reconnect)(struct psmouse *psmouse);
 	void (*disconnect)(struct psmouse *psmouse);
diff --git a/drivers/input/touchscreen/Kconfig b/drivers/input/touchscreen/Kconfig
index 58917525126e..6261fd6d7c3c 100644
--- a/drivers/input/touchscreen/Kconfig
+++ b/drivers/input/touchscreen/Kconfig
@@ -943,6 +943,7 @@ config TOUCHSCREEN_SUN4I
 	tristate "Allwinner sun4i resistive touchscreen controller support"
 	depends on ARCH_SUNXI || COMPILE_TEST
 	depends on HWMON
+	depends on THERMAL || !THERMAL_OF
 	help
 	  This selects support for the resistive touchscreen controller
 	  found on Allwinner sunxi SoCs.
diff --git a/drivers/iommu/Kconfig b/drivers/iommu/Kconfig
index baa0d9786f50..1ae4e547b419 100644
--- a/drivers/iommu/Kconfig
+++ b/drivers/iommu/Kconfig
@@ -23,6 +23,7 @@ config IOMMU_IO_PGTABLE
 config IOMMU_IO_PGTABLE_LPAE
 	bool "ARMv7/v8 Long Descriptor Format"
 	select IOMMU_IO_PGTABLE
+	depends on ARM || ARM64 || COMPILE_TEST
 	help
 	  Enable support for the ARM long descriptor pagetable format.
 	  This allocator supports 4K/2M/1G, 16K/32M and 64K/512M page
@@ -63,6 +64,7 @@ config MSM_IOMMU
 	bool "MSM IOMMU Support"
 	depends on ARM
 	depends on ARCH_MSM8X60 || ARCH_MSM8960 || COMPILE_TEST
+	depends on BROKEN
 	select IOMMU_API
 	help
 	  Support for the IOMMUs found on certain Qualcomm SOCs.
diff --git a/drivers/iommu/exynos-iommu.c b/drivers/iommu/exynos-iommu.c
index 7ce52737c7a1..dc14fec4ede1 100644
--- a/drivers/iommu/exynos-iommu.c
+++ b/drivers/iommu/exynos-iommu.c
@@ -1186,8 +1186,15 @@ static const struct iommu_ops exynos_iommu_ops = {
 
 static int __init exynos_iommu_init(void)
 {
+	struct device_node *np;
 	int ret;
 
+	np = of_find_matching_node(NULL, sysmmu_of_match);
+	if (!np)
+		return 0;
+
+	of_node_put(np);
+
 	lv2table_kmem_cache = kmem_cache_create("exynos-iommu-lv2table",
 				LV2TABLE_SIZE, LV2TABLE_SIZE, 0, NULL);
 	if (!lv2table_kmem_cache) {
diff --git a/drivers/iommu/io-pgtable-arm.c b/drivers/iommu/io-pgtable-arm.c
index 5a500edf00cc..b610a8dee238 100644
--- a/drivers/iommu/io-pgtable-arm.c
+++ b/drivers/iommu/io-pgtable-arm.c
@@ -56,7 +56,8 @@
 	((((d)->levels - ((l) - ARM_LPAE_START_LVL(d) + 1))		\
 	  * (d)->bits_per_level) + (d)->pg_shift)
 
-#define ARM_LPAE_PAGES_PER_PGD(d)	((d)->pgd_size >> (d)->pg_shift)
+#define ARM_LPAE_PAGES_PER_PGD(d)					\
+	DIV_ROUND_UP((d)->pgd_size, 1UL << (d)->pg_shift)
 
 /*
  * Calculate the index at level l used to map virtual address a using the
@@ -66,7 +67,7 @@
 	((l) == ARM_LPAE_START_LVL(d) ? ilog2(ARM_LPAE_PAGES_PER_PGD(d)) : 0)
 
 #define ARM_LPAE_LVL_IDX(a,l,d)						\
-	(((a) >> ARM_LPAE_LVL_SHIFT(l,d)) &				\
+	(((u64)(a) >> ARM_LPAE_LVL_SHIFT(l,d)) &			\
 	 ((1 << ((d)->bits_per_level + ARM_LPAE_PGD_IDX(l,d))) - 1))
 
 /* Calculate the block/page mapping size at level l for pagetable in d. */
diff --git a/drivers/iommu/omap-iommu.c b/drivers/iommu/omap-iommu.c
index f59f857b702e..a4ba851825c2 100644
--- a/drivers/iommu/omap-iommu.c
+++ b/drivers/iommu/omap-iommu.c
@@ -1376,6 +1376,13 @@ static int __init omap_iommu_init(void)
 	struct kmem_cache *p;
 	const unsigned long flags = SLAB_HWCACHE_ALIGN;
 	size_t align = 1 << 10; /* L2 pagetable alignement */
+	struct device_node *np;
+
+	np = of_find_matching_node(NULL, omap_iommu_of_match);
+	if (!np)
+		return 0;
+
+	of_node_put(np);
 
 	p = kmem_cache_create("iopte_cache", IOPTE_TABLE_SIZE, align, flags,
 			      iopte_cachep_ctor);
diff --git a/drivers/iommu/rockchip-iommu.c b/drivers/iommu/rockchip-iommu.c
index 6a8b1ec4a48a..9f74fddcd304 100644
--- a/drivers/iommu/rockchip-iommu.c
+++ b/drivers/iommu/rockchip-iommu.c
@@ -1015,8 +1015,15 @@ static struct platform_driver rk_iommu_driver = {
 
 static int __init rk_iommu_init(void)
 {
+	struct device_node *np;
 	int ret;
 
+	np = of_find_matching_node(NULL, rk_iommu_dt_ids);
+	if (!np)
+		return 0;
+
+	of_node_put(np);
+
 	ret = bus_set_iommu(&platform_bus_type, &rk_iommu_ops);
 	if (ret)
 		return ret;
diff --git a/drivers/irqchip/irq-armada-370-xp.c b/drivers/irqchip/irq-armada-370-xp.c
index 463c235acbdc..4387dae14e45 100644
--- a/drivers/irqchip/irq-armada-370-xp.c
+++ b/drivers/irqchip/irq-armada-370-xp.c
@@ -69,6 +69,7 @@ static void __iomem *per_cpu_int_base;
 static void __iomem *main_int_base;
 static struct irq_domain *armada_370_xp_mpic_domain;
 static u32 doorbell_mask_reg;
+static int parent_irq;
 #ifdef CONFIG_PCI_MSI
 static struct irq_domain *armada_370_xp_msi_domain;
 static DECLARE_BITMAP(msi_used, PCI_MSI_DOORBELL_NR);
@@ -356,6 +357,7 @@ static int armada_xp_mpic_secondary_init(struct notifier_block *nfb,
 {
 	if (action == CPU_STARTING || action == CPU_STARTING_FROZEN)
 		armada_xp_mpic_smp_cpu_init();
+
 	return NOTIFY_OK;
 }
 
@@ -364,6 +366,20 @@ static struct notifier_block armada_370_xp_mpic_cpu_notifier = {
 	.priority = 100,
 };
 
+static int mpic_cascaded_secondary_init(struct notifier_block *nfb,
+					unsigned long action, void *hcpu)
+{
+	if (action == CPU_STARTING || action == CPU_STARTING_FROZEN)
+		enable_percpu_irq(parent_irq, IRQ_TYPE_NONE);
+
+	return NOTIFY_OK;
+}
+
+static struct notifier_block mpic_cascaded_cpu_notifier = {
+	.notifier_call = mpic_cascaded_secondary_init,
+	.priority = 100,
+};
+
 #endif /* CONFIG_SMP */
 
 static struct irq_domain_ops armada_370_xp_mpic_irq_ops = {
@@ -539,7 +555,7 @@ static int __init armada_370_xp_mpic_of_init(struct device_node *node,
 					     struct device_node *parent)
 {
 	struct resource main_int_res, per_cpu_int_res;
-	int parent_irq, nr_irqs, i;
+	int nr_irqs, i;
 	u32 control;
 
 	BUG_ON(of_address_to_resource(node, 0, &main_int_res));
@@ -587,6 +603,9 @@ static int __init armada_370_xp_mpic_of_init(struct device_node *node,
 		register_cpu_notifier(&armada_370_xp_mpic_cpu_notifier);
 #endif
 	} else {
+#ifdef CONFIG_SMP
+		register_cpu_notifier(&mpic_cascaded_cpu_notifier);
+#endif
 		irq_set_chained_handler(parent_irq,
 					armada_370_xp_mpic_handle_cascade_irq);
 	}
diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c
index d8996bdf0f61..596b0a9eee99 100644
--- a/drivers/irqchip/irq-gic-v3-its.c
+++ b/drivers/irqchip/irq-gic-v3-its.c
@@ -416,13 +416,14 @@ static void its_send_single_command(struct its_node *its,
 {
 	struct its_cmd_block *cmd, *sync_cmd, *next_cmd;
 	struct its_collection *sync_col;
+	unsigned long flags;
 
-	raw_spin_lock(&its->lock);
+	raw_spin_lock_irqsave(&its->lock, flags);
 
 	cmd = its_allocate_entry(its);
 	if (!cmd) {		/* We're soooooo screewed... */
 		pr_err_ratelimited("ITS can't allocate, dropping command\n");
-		raw_spin_unlock(&its->lock);
+		raw_spin_unlock_irqrestore(&its->lock, flags);
 		return;
 	}
 	sync_col = builder(cmd, desc);
@@ -442,7 +443,7 @@ static void its_send_single_command(struct its_node *its,
 
 post:
 	next_cmd = its_post_commands(its);
-	raw_spin_unlock(&its->lock);
+	raw_spin_unlock_irqrestore(&its->lock, flags);
 
 	its_wait_for_range_completion(its, cmd, next_cmd);
 }
@@ -799,21 +800,43 @@ static int its_alloc_tables(struct its_node *its)
 {
 	int err;
 	int i;
-	int psz = PAGE_SIZE;
+	int psz = SZ_64K;
 	u64 shr = GITS_BASER_InnerShareable;
 
 	for (i = 0; i < GITS_BASER_NR_REGS; i++) {
 		u64 val = readq_relaxed(its->base + GITS_BASER + i * 8);
 		u64 type = GITS_BASER_TYPE(val);
 		u64 entry_size = GITS_BASER_ENTRY_SIZE(val);
+		int order = get_order(psz);
+		int alloc_size;
 		u64 tmp;
 		void *base;
 
 		if (type == GITS_BASER_TYPE_NONE)
 			continue;
 
-		/* We're lazy and only allocate a single page for now */
-		base = (void *)get_zeroed_page(GFP_KERNEL);
+		/*
+		 * Allocate as many entries as required to fit the
+		 * range of device IDs that the ITS can grok... The ID
+		 * space being incredibly sparse, this results in a
+		 * massive waste of memory.
+		 *
+		 * For other tables, only allocate a single page.
+		 */
+		if (type == GITS_BASER_TYPE_DEVICE) {
+			u64 typer = readq_relaxed(its->base + GITS_TYPER);
+			u32 ids = GITS_TYPER_DEVBITS(typer);
+
+			order = get_order((1UL << ids) * entry_size);
+			if (order >= MAX_ORDER) {
+				order = MAX_ORDER - 1;
+				pr_warn("%s: Device Table too large, reduce its page order to %u\n",
+					its->msi_chip.of_node->full_name, order);
+			}
+		}
+
+		alloc_size = (1 << order) * PAGE_SIZE;
+		base = (void *)__get_free_pages(GFP_KERNEL | __GFP_ZERO, order);
 		if (!base) {
 			err = -ENOMEM;
 			goto out_free;
@@ -841,7 +864,7 @@ retry_baser:
 			break;
 		}
 
-		val |= (PAGE_SIZE / psz) - 1;
+		val |= (alloc_size / psz) - 1;
 
 		writeq_relaxed(val, its->base + GITS_BASER + i * 8);
 		tmp = readq_relaxed(its->base + GITS_BASER + i * 8);
@@ -882,7 +905,7 @@ retry_baser:
 		}
 
 		pr_info("ITS: allocated %d %s @%lx (psz %dK, shr %d)\n",
-			(int)(PAGE_SIZE / entry_size),
+			(int)(alloc_size / entry_size),
 			its_base_type_string[type],
 			(unsigned long)virt_to_phys(base),
 			psz / SZ_1K, (int)shr >> GITS_BASER_SHAREABILITY_SHIFT);
@@ -1020,8 +1043,9 @@ static void its_cpu_init_collection(void)
 static struct its_device *its_find_device(struct its_node *its, u32 dev_id)
 {
 	struct its_device *its_dev = NULL, *tmp;
+	unsigned long flags;
 
-	raw_spin_lock(&its->lock);
+	raw_spin_lock_irqsave(&its->lock, flags);
 
 	list_for_each_entry(tmp, &its->its_device_list, entry) {
 		if (tmp->device_id == dev_id) {
@@ -1030,7 +1054,7 @@ static struct its_device *its_find_device(struct its_node *its, u32 dev_id)
 		}
 	}
 
-	raw_spin_unlock(&its->lock);
+	raw_spin_unlock_irqrestore(&its->lock, flags);
 
 	return its_dev;
 }
@@ -1040,6 +1064,7 @@ static struct its_device *its_create_device(struct its_node *its, u32 dev_id,
 {
 	struct its_device *dev;
 	unsigned long *lpi_map;
+	unsigned long flags;
 	void *itt;
 	int lpi_base;
 	int nr_lpis;
@@ -1056,7 +1081,7 @@ static struct its_device *its_create_device(struct its_node *its, u32 dev_id,
 	nr_ites = max(2UL, roundup_pow_of_two(nvecs));
 	sz = nr_ites * its->ite_size;
 	sz = max(sz, ITS_ITT_ALIGN) + ITS_ITT_ALIGN - 1;
-	itt = kmalloc(sz, GFP_KERNEL);
+	itt = kzalloc(sz, GFP_KERNEL);
 	lpi_map = its_lpi_alloc_chunks(nvecs, &lpi_base, &nr_lpis);
 
 	if (!dev || !itt || !lpi_map) {
@@ -1075,9 +1100,9 @@ static struct its_device *its_create_device(struct its_node *its, u32 dev_id,
 	dev->device_id = dev_id;
 	INIT_LIST_HEAD(&dev->entry);
 
-	raw_spin_lock(&its->lock);
+	raw_spin_lock_irqsave(&its->lock, flags);
 	list_add(&dev->entry, &its->its_device_list);
-	raw_spin_unlock(&its->lock);
+	raw_spin_unlock_irqrestore(&its->lock, flags);
 
 	/* Bind the device to the first possible CPU */
 	cpu = cpumask_first(cpu_online_mask);
@@ -1091,9 +1116,11 @@ static struct its_device *its_create_device(struct its_node *its, u32 dev_id,
 
 static void its_free_device(struct its_device *its_dev)
 {
-	raw_spin_lock(&its_dev->its->lock);
+	unsigned long flags;
+
+	raw_spin_lock_irqsave(&its_dev->its->lock, flags);
 	list_del(&its_dev->entry);
-	raw_spin_unlock(&its_dev->its->lock);
+	raw_spin_unlock_irqrestore(&its_dev->its->lock, flags);
 	kfree(its_dev->itt);
 	kfree(its_dev);
 }
@@ -1112,31 +1139,69 @@ static int its_alloc_device_irq(struct its_device *dev, irq_hw_number_t *hwirq)
 	return 0;
 }
 
+struct its_pci_alias {
+	struct pci_dev	*pdev;
+	u32		dev_id;
+	u32		count;
+};
+
+static int its_pci_msi_vec_count(struct pci_dev *pdev)
+{
+	int msi, msix;
+
+	msi = max(pci_msi_vec_count(pdev), 0);
+	msix = max(pci_msix_vec_count(pdev), 0);
+
+	return max(msi, msix);
+}
+
+static int its_get_pci_alias(struct pci_dev *pdev, u16 alias, void *data)
+{
+	struct its_pci_alias *dev_alias = data;
+
+	dev_alias->dev_id = alias;
+	if (pdev != dev_alias->pdev)
+		dev_alias->count += its_pci_msi_vec_count(dev_alias->pdev);
+
+	return 0;
+}
+
 static int its_msi_prepare(struct irq_domain *domain, struct device *dev,
 			   int nvec, msi_alloc_info_t *info)
 {
 	struct pci_dev *pdev;
 	struct its_node *its;
-	u32 dev_id;
 	struct its_device *its_dev;
+	struct its_pci_alias dev_alias;
 
 	if (!dev_is_pci(dev))
 		return -EINVAL;
 
 	pdev = to_pci_dev(dev);
-	dev_id = PCI_DEVID(pdev->bus->number, pdev->devfn);
+	dev_alias.pdev = pdev;
+	dev_alias.count = nvec;
+
+	pci_for_each_dma_alias(pdev, its_get_pci_alias, &dev_alias);
 	its = domain->parent->host_data;
 
-	its_dev = its_find_device(its, dev_id);
-	if (WARN_ON(its_dev))
-		return -EINVAL;
+	its_dev = its_find_device(its, dev_alias.dev_id);
+	if (its_dev) {
+		/*
+		 * We already have seen this ID, probably through
+		 * another alias (PCI bridge of some sort). No need to
+		 * create the device.
+		 */
+		dev_dbg(dev, "Reusing ITT for devID %x\n", dev_alias.dev_id);
+		goto out;
+	}
 
-	its_dev = its_create_device(its, dev_id, nvec);
+	its_dev = its_create_device(its, dev_alias.dev_id, dev_alias.count);
 	if (!its_dev)
 		return -ENOMEM;
 
-	dev_dbg(&pdev->dev, "ITT %d entries, %d bits\n", nvec, ilog2(nvec));
-
+	dev_dbg(&pdev->dev, "ITT %d entries, %d bits\n",
+		dev_alias.count, ilog2(dev_alias.count));
+out:
 	info->scratchpad[0].ptr = its_dev;
 	info->scratchpad[1].ptr = dev;
 	return 0;
@@ -1255,6 +1320,34 @@ static const struct irq_domain_ops its_domain_ops = {
 	.deactivate		= its_irq_domain_deactivate,
 };
 
+static int its_force_quiescent(void __iomem *base)
+{
+	u32 count = 1000000;	/* 1s */
+	u32 val;
+
+	val = readl_relaxed(base + GITS_CTLR);
+	if (val & GITS_CTLR_QUIESCENT)
+		return 0;
+
+	/* Disable the generation of all interrupts to this ITS */
+	val &= ~GITS_CTLR_ENABLE;
+	writel_relaxed(val, base + GITS_CTLR);
+
+	/* Poll GITS_CTLR and wait until ITS becomes quiescent */
+	while (1) {
+		val = readl_relaxed(base + GITS_CTLR);
+		if (val & GITS_CTLR_QUIESCENT)
+			return 0;
+
+		count--;
+		if (!count)
+			return -EBUSY;
+
+		cpu_relax();
+		udelay(1);
+	}
+}
+
 static int its_probe(struct device_node *node, struct irq_domain *parent)
 {
 	struct resource res;
@@ -1283,6 +1376,13 @@ static int its_probe(struct device_node *node, struct irq_domain *parent)
 		goto out_unmap;
 	}
 
+	err = its_force_quiescent(its_base);
+	if (err) {
+		pr_warn("%s: failed to quiesce, giving up\n",
+			node->full_name);
+		goto out_unmap;
+	}
+
 	pr_info("ITS: %s\n", node->full_name);
 
 	its = kzalloc(sizeof(*its), GFP_KERNEL);
@@ -1323,7 +1423,7 @@ static int its_probe(struct device_node *node, struct irq_domain *parent)
 	writeq_relaxed(baser, its->base + GITS_CBASER);
 	tmp = readq_relaxed(its->base + GITS_CBASER);
 	writeq_relaxed(0, its->base + GITS_CWRITER);
-	writel_relaxed(1, its->base + GITS_CTLR);
+	writel_relaxed(GITS_CTLR_ENABLE, its->base + GITS_CTLR);
 
 	if ((tmp ^ baser) & GITS_BASER_SHAREABILITY_MASK) {
 		pr_info("ITS: using cache flushing for cmd queue\n");
@@ -1382,12 +1482,11 @@ static bool gic_rdists_supports_plpis(void)
 
 int its_cpu_init(void)
 {
-	if (!gic_rdists_supports_plpis()) {
-		pr_info("CPU%d: LPIs not supported\n", smp_processor_id());
-		return -ENXIO;
-	}
-
 	if (!list_empty(&its_nodes)) {
+		if (!gic_rdists_supports_plpis()) {
+			pr_info("CPU%d: LPIs not supported\n", smp_processor_id());
+			return -ENXIO;
+		}
 		its_cpu_init_lpis();
 		its_cpu_init_collection();
 	}
diff --git a/drivers/irqchip/irq-gic-v3.c b/drivers/irqchip/irq-gic-v3.c
index 1c6dea2fbc34..fd8850def1b8 100644
--- a/drivers/irqchip/irq-gic-v3.c
+++ b/drivers/irqchip/irq-gic-v3.c
@@ -466,7 +466,7 @@ static u16 gic_compute_target_list(int *base_cpu, const struct cpumask *mask,
 		tlist |= 1 << (mpidr & 0xf);
 
 		cpu = cpumask_next(cpu, mask);
-		if (cpu == nr_cpu_ids)
+		if (cpu >= nr_cpu_ids)
 			goto out;
 
 		mpidr = cpu_logical_map(cpu);
diff --git a/drivers/irqchip/irq-gic.c b/drivers/irqchip/irq-gic.c
index 4634cf7d0ec3..471e1cdc1933 100644
--- a/drivers/irqchip/irq-gic.c
+++ b/drivers/irqchip/irq-gic.c
@@ -154,23 +154,25 @@ static inline unsigned int gic_irq(struct irq_data *d)
 static void gic_mask_irq(struct irq_data *d)
 {
 	u32 mask = 1 << (gic_irq(d) % 32);
+	unsigned long flags;
 
-	raw_spin_lock(&irq_controller_lock);
+	raw_spin_lock_irqsave(&irq_controller_lock, flags);
 	writel_relaxed(mask, gic_dist_base(d) + GIC_DIST_ENABLE_CLEAR + (gic_irq(d) / 32) * 4);
 	if (gic_arch_extn.irq_mask)
 		gic_arch_extn.irq_mask(d);
-	raw_spin_unlock(&irq_controller_lock);
+	raw_spin_unlock_irqrestore(&irq_controller_lock, flags);
 }
 
 static void gic_unmask_irq(struct irq_data *d)
 {
 	u32 mask = 1 << (gic_irq(d) % 32);
+	unsigned long flags;
 
-	raw_spin_lock(&irq_controller_lock);
+	raw_spin_lock_irqsave(&irq_controller_lock, flags);
 	if (gic_arch_extn.irq_unmask)
 		gic_arch_extn.irq_unmask(d);
 	writel_relaxed(mask, gic_dist_base(d) + GIC_DIST_ENABLE_SET + (gic_irq(d) / 32) * 4);
-	raw_spin_unlock(&irq_controller_lock);
+	raw_spin_unlock_irqrestore(&irq_controller_lock, flags);
 }
 
 static void gic_eoi_irq(struct irq_data *d)
@@ -188,6 +190,7 @@ static int gic_set_type(struct irq_data *d, unsigned int type)
 {
 	void __iomem *base = gic_dist_base(d);
 	unsigned int gicirq = gic_irq(d);
+	unsigned long flags;
 	int ret;
 
 	/* Interrupt configuration for SGIs can't be changed */
@@ -199,14 +202,14 @@ static int gic_set_type(struct irq_data *d, unsigned int type)
 			    type != IRQ_TYPE_EDGE_RISING)
 		return -EINVAL;
 
-	raw_spin_lock(&irq_controller_lock);
+	raw_spin_lock_irqsave(&irq_controller_lock, flags);
 
 	if (gic_arch_extn.irq_set_type)
 		gic_arch_extn.irq_set_type(d, type);
 
 	ret = gic_configure_irq(gicirq, type, base, NULL);
 
-	raw_spin_unlock(&irq_controller_lock);
+	raw_spin_unlock_irqrestore(&irq_controller_lock, flags);
 
 	return ret;
 }
@@ -227,6 +230,7 @@ static int gic_set_affinity(struct irq_data *d, const struct cpumask *mask_val,
 	void __iomem *reg = gic_dist_base(d) + GIC_DIST_TARGET + (gic_irq(d) & ~3);
 	unsigned int cpu, shift = (gic_irq(d) % 4) * 8;
 	u32 val, mask, bit;
+	unsigned long flags;
 
 	if (!force)
 		cpu = cpumask_any_and(mask_val, cpu_online_mask);
@@ -236,12 +240,12 @@ static int gic_set_affinity(struct irq_data *d, const struct cpumask *mask_val,
 	if (cpu >= NR_GIC_CPU_IF || cpu >= nr_cpu_ids)
 		return -EINVAL;
 
-	raw_spin_lock(&irq_controller_lock);
+	raw_spin_lock_irqsave(&irq_controller_lock, flags);
 	mask = 0xff << shift;
 	bit = gic_cpu_map[cpu] << shift;
 	val = readl_relaxed(reg) & ~mask;
 	writel_relaxed(val | bit, reg);
-	raw_spin_unlock(&irq_controller_lock);
+	raw_spin_unlock_irqrestore(&irq_controller_lock, flags);
 
 	return IRQ_SET_MASK_OK;
 }
diff --git a/drivers/isdn/hardware/mISDN/hfcpci.c b/drivers/isdn/hardware/mISDN/hfcpci.c
index 3c92780bda09..ff48da61c94c 100644
--- a/drivers/isdn/hardware/mISDN/hfcpci.c
+++ b/drivers/isdn/hardware/mISDN/hfcpci.c
@@ -1755,7 +1755,7 @@ init_card(struct hfc_pci *hc)
 		enable_hwirq(hc);
 		spin_unlock_irqrestore(&hc->lock, flags);
 		/* Timeout 80ms */
-		current->state = TASK_UNINTERRUPTIBLE;
+		set_current_state(TASK_UNINTERRUPTIBLE);
 		schedule_timeout((80 * HZ) / 1000);
 		printk(KERN_INFO "HFC PCI: IRQ %d count %d\n",
 		       hc->irq, hc->irqcnt);
diff --git a/drivers/md/md.c b/drivers/md/md.c
index c8d2bac4e28b..cadf9cc02b25 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -2555,7 +2555,7 @@ state_store(struct md_rdev *rdev, const char *buf, size_t len)
 	return err ? err : len;
 }
 static struct rdev_sysfs_entry rdev_state =
-__ATTR(state, S_IRUGO|S_IWUSR, state_show, state_store);
+__ATTR_PREALLOC(state, S_IRUGO|S_IWUSR, state_show, state_store);
 
 static ssize_t
 errors_show(struct md_rdev *rdev, char *page)
@@ -3638,7 +3638,8 @@ resync_start_store(struct mddev *mddev, const char *buf, size_t len)
 	return err ?: len;
 }
 static struct md_sysfs_entry md_resync_start =
-__ATTR(resync_start, S_IRUGO|S_IWUSR, resync_start_show, resync_start_store);
+__ATTR_PREALLOC(resync_start, S_IRUGO|S_IWUSR,
+		resync_start_show, resync_start_store);
 
 /*
  * The array state can be:
@@ -3851,7 +3852,7 @@ array_state_store(struct mddev *mddev, const char *buf, size_t len)
 	return err ?: len;
 }
 static struct md_sysfs_entry md_array_state =
-__ATTR(array_state, S_IRUGO|S_IWUSR, array_state_show, array_state_store);
+__ATTR_PREALLOC(array_state, S_IRUGO|S_IWUSR, array_state_show, array_state_store);
 
 static ssize_t
 max_corrected_read_errors_show(struct mddev *mddev, char *page) {
@@ -4101,7 +4102,7 @@ out_unlock:
 }
 
 static struct md_sysfs_entry md_metadata =
-__ATTR(metadata_version, S_IRUGO|S_IWUSR, metadata_show, metadata_store);
+__ATTR_PREALLOC(metadata_version, S_IRUGO|S_IWUSR, metadata_show, metadata_store);
 
 static ssize_t
 action_show(struct mddev *mddev, char *page)
@@ -4189,7 +4190,7 @@ action_store(struct mddev *mddev, const char *page, size_t len)
 }
 
 static struct md_sysfs_entry md_scan_mode =
-__ATTR(sync_action, S_IRUGO|S_IWUSR, action_show, action_store);
+__ATTR_PREALLOC(sync_action, S_IRUGO|S_IWUSR, action_show, action_store);
 
 static ssize_t
 last_sync_action_show(struct mddev *mddev, char *page)
@@ -4335,7 +4336,8 @@ sync_completed_show(struct mddev *mddev, char *page)
 	return sprintf(page, "%llu / %llu\n", resync, max_sectors);
 }
 
-static struct md_sysfs_entry md_sync_completed = __ATTR_RO(sync_completed);
+static struct md_sysfs_entry md_sync_completed =
+	__ATTR_PREALLOC(sync_completed, S_IRUGO, sync_completed_show, NULL);
 
 static ssize_t
 min_sync_show(struct mddev *mddev, char *page)
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index 4153da5d4011..d34e238afa54 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -560,7 +560,7 @@ static int read_balance(struct r1conf *conf, struct r1bio *r1_bio, int *max_sect
 		if (test_bit(WriteMostly, &rdev->flags)) {
 			/* Don't balance among write-mostly, just
 			 * use the first as a last resort */
-			if (best_disk < 0) {
+			if (best_dist_disk < 0) {
 				if (is_badblock(rdev, this_sector, sectors,
 						&first_bad, &bad_sectors)) {
 					if (first_bad < this_sector)
@@ -569,7 +569,8 @@ static int read_balance(struct r1conf *conf, struct r1bio *r1_bio, int *max_sect
 					best_good_sectors = first_bad - this_sector;
 				} else
 					best_good_sectors = sectors;
-				best_disk = disk;
+				best_dist_disk = disk;
+				best_pending_disk = disk;
 			}
 			continue;
 		}
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index e75d48c0421a..cd2f96b2c572 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -5121,12 +5121,17 @@ static inline sector_t sync_request(struct mddev *mddev, sector_t sector_nr, int
 		schedule_timeout_uninterruptible(1);
 	}
 	/* Need to check if array will still be degraded after recovery/resync
-	 * We don't need to check the 'failed' flag as when that gets set,
-	 * recovery aborts.
+	 * Note in case of > 1 drive failures it's possible we're rebuilding
+	 * one drive while leaving another faulty drive in array.
 	 */
-	for (i = 0; i < conf->raid_disks; i++)
-		if (conf->disks[i].rdev == NULL)
+	rcu_read_lock();
+	for (i = 0; i < conf->raid_disks; i++) {
+		struct md_rdev *rdev = ACCESS_ONCE(conf->disks[i].rdev);
+
+		if (rdev == NULL || test_bit(Faulty, &rdev->flags))
 			still_degraded = 1;
+	}
+	rcu_read_unlock();
 
 	bitmap_start_sync(mddev->bitmap, sector_nr, &sync_blocks, still_degraded);
 
diff --git a/drivers/misc/mei/init.c b/drivers/misc/mei/init.c
index 9306219d5675..6ad049a08e4d 100644
--- a/drivers/misc/mei/init.c
+++ b/drivers/misc/mei/init.c
@@ -341,6 +341,8 @@ void mei_stop(struct mei_device *dev)
 
 	dev->dev_state = MEI_DEV_POWER_DOWN;
 	mei_reset(dev);
+	/* move device to disabled state unconditionally */
+	dev->dev_state = MEI_DEV_DISABLED;
 
 	mutex_unlock(&dev->device_lock);
 
diff --git a/drivers/mtd/nand/Kconfig b/drivers/mtd/nand/Kconfig
index 5b76a173cd95..5897d8d8fa5a 100644
--- a/drivers/mtd/nand/Kconfig
+++ b/drivers/mtd/nand/Kconfig
@@ -526,6 +526,7 @@ config MTD_NAND_SUNXI
 
 config MTD_NAND_HISI504
 	tristate "Support for NAND controller on Hisilicon SoC Hip04"
+	depends on HAS_DMA
 	help
 	  Enables support for NAND controller on Hisilicon SoC Hip04.
 
diff --git a/drivers/mtd/nand/pxa3xx_nand.c b/drivers/mtd/nand/pxa3xx_nand.c
index 96b0b1d27df1..10b1f7a4fe50 100644
--- a/drivers/mtd/nand/pxa3xx_nand.c
+++ b/drivers/mtd/nand/pxa3xx_nand.c
@@ -480,6 +480,42 @@ static void disable_int(struct pxa3xx_nand_info *info, uint32_t int_mask)
 	nand_writel(info, NDCR, ndcr | int_mask);
 }
 
+static void drain_fifo(struct pxa3xx_nand_info *info, void *data, int len)
+{
+	if (info->ecc_bch) {
+		int timeout;
+
+		/*
+		 * According to the datasheet, when reading from NDDB
+		 * with BCH enabled, after each 32 bytes reads, we
+		 * have to make sure that the NDSR.RDDREQ bit is set.
+		 *
+		 * Drain the FIFO 8 32 bits reads at a time, and skip
+		 * the polling on the last read.
+		 */
+		while (len > 8) {
+			__raw_readsl(info->mmio_base + NDDB, data, 8);
+
+			for (timeout = 0;
+			     !(nand_readl(info, NDSR) & NDSR_RDDREQ);
+			     timeout++) {
+				if (timeout >= 5) {
+					dev_err(&info->pdev->dev,
+						"Timeout on RDDREQ while draining the FIFO\n");
+					return;
+				}
+
+				mdelay(1);
+			}
+
+			data += 32;
+			len -= 8;
+		}
+	}
+
+	__raw_readsl(info->mmio_base + NDDB, data, len);
+}
+
 static void handle_data_pio(struct pxa3xx_nand_info *info)
 {
 	unsigned int do_bytes = min(info->data_size, info->chunk_size);
@@ -496,14 +532,14 @@ static void handle_data_pio(struct pxa3xx_nand_info *info)
 				      DIV_ROUND_UP(info->oob_size, 4));
 		break;
 	case STATE_PIO_READING:
-		__raw_readsl(info->mmio_base + NDDB,
-			     info->data_buff + info->data_buff_pos,
-			     DIV_ROUND_UP(do_bytes, 4));
+		drain_fifo(info,
+			   info->data_buff + info->data_buff_pos,
+			   DIV_ROUND_UP(do_bytes, 4));
 
 		if (info->oob_size > 0)
-			__raw_readsl(info->mmio_base + NDDB,
-				     info->oob_buff + info->oob_buff_pos,
-				     DIV_ROUND_UP(info->oob_size, 4));
+			drain_fifo(info,
+				   info->oob_buff + info->oob_buff_pos,
+				   DIV_ROUND_UP(info->oob_size, 4));
 		break;
 	default:
 		dev_err(&info->pdev->dev, "%s: invalid state %d\n", __func__,
@@ -1572,6 +1608,8 @@ static int alloc_nand_resource(struct platform_device *pdev)
 	int ret, irq, cs;
 
 	pdata = dev_get_platdata(&pdev->dev);
+	if (pdata->num_cs <= 0)
+		return -ENODEV;
 	info = devm_kzalloc(&pdev->dev, sizeof(*info) + (sizeof(*mtd) +
 			    sizeof(*host)) * pdata->num_cs, GFP_KERNEL);
 	if (!info)
diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig
index 84673ebcf428..df51d6025a90 100644
--- a/drivers/net/Kconfig
+++ b/drivers/net/Kconfig
@@ -157,7 +157,7 @@ config IPVLAN
       making it transparent to the connected L2 switch.
 
       Ipvlan devices can be added using the "ip" command from the
-      iproute2 package starting with the iproute2-X.Y.ZZ release:
+      iproute2 package starting with the iproute2-3.19 release:
 
       "ip link add link <main-dev> [ NAME ] type ipvlan"
 
diff --git a/drivers/net/appletalk/Kconfig b/drivers/net/appletalk/Kconfig
index 4ce6ca5f3d36..dc6b78e5342f 100644
--- a/drivers/net/appletalk/Kconfig
+++ b/drivers/net/appletalk/Kconfig
@@ -40,7 +40,7 @@ config DEV_APPLETALK
 
 config LTPC
 	tristate "Apple/Farallon LocalTalk PC support"
-	depends on DEV_APPLETALK && (ISA || EISA) && ISA_DMA_API
+	depends on DEV_APPLETALK && (ISA || EISA) && ISA_DMA_API && VIRT_TO_BUS
 	help
 	  This allows you to use the AppleTalk PC card to connect to LocalTalk
 	  networks. The card is also known as the Farallon PhoneNet PC card.
diff --git a/drivers/net/can/dev.c b/drivers/net/can/dev.c
index 3c82e02e3dae..b0f69248cb71 100644
--- a/drivers/net/can/dev.c
+++ b/drivers/net/can/dev.c
@@ -579,6 +579,10 @@ struct sk_buff *alloc_can_skb(struct net_device *dev, struct can_frame **cf)
 	skb->pkt_type = PACKET_BROADCAST;
 	skb->ip_summed = CHECKSUM_UNNECESSARY;
 
+	skb_reset_mac_header(skb);
+	skb_reset_network_header(skb);
+	skb_reset_transport_header(skb);
+
 	can_skb_reserve(skb);
 	can_skb_prv(skb)->ifindex = dev->ifindex;
 
@@ -603,6 +607,10 @@ struct sk_buff *alloc_canfd_skb(struct net_device *dev,
 	skb->pkt_type = PACKET_BROADCAST;
 	skb->ip_summed = CHECKSUM_UNNECESSARY;
 
+	skb_reset_mac_header(skb);
+	skb_reset_network_header(skb);
+	skb_reset_transport_header(skb);
+
 	can_skb_reserve(skb);
 	can_skb_prv(skb)->ifindex = dev->ifindex;
 
diff --git a/drivers/net/can/usb/kvaser_usb.c b/drivers/net/can/usb/kvaser_usb.c
index 2928f7003041..a316fa4b91ab 100644
--- a/drivers/net/can/usb/kvaser_usb.c
+++ b/drivers/net/can/usb/kvaser_usb.c
@@ -14,6 +14,7 @@
  * Copyright (C) 2015 Valeo S.A.
  */
 
+#include <linux/kernel.h>
 #include <linux/completion.h>
 #include <linux/module.h>
 #include <linux/netdevice.h>
@@ -584,8 +585,15 @@ static int kvaser_usb_wait_msg(const struct kvaser_usb *dev, u8 id,
 		while (pos <= actual_len - MSG_HEADER_LEN) {
 			tmp = buf + pos;
 
-			if (!tmp->len)
-				break;
+			/* Handle messages crossing the USB endpoint max packet
+			 * size boundary. Check kvaser_usb_read_bulk_callback()
+			 * for further details.
+			 */
+			if (tmp->len == 0) {
+				pos = round_up(pos,
+					       dev->bulk_in->wMaxPacketSize);
+				continue;
+			}
 
 			if (pos + tmp->len > actual_len) {
 				dev_err(dev->udev->dev.parent,
@@ -787,7 +795,6 @@ static int kvaser_usb_simple_msg_async(struct kvaser_usb_net_priv *priv,
 		netdev_err(netdev, "Error transmitting URB\n");
 		usb_unanchor_urb(urb);
 		usb_free_urb(urb);
-		kfree(buf);
 		return err;
 	}
 
@@ -1317,8 +1324,19 @@ static void kvaser_usb_read_bulk_callback(struct urb *urb)
 	while (pos <= urb->actual_length - MSG_HEADER_LEN) {
 		msg = urb->transfer_buffer + pos;
 
-		if (!msg->len)
-			break;
+		/* The Kvaser firmware can only read and write messages that
+		 * does not cross the USB's endpoint wMaxPacketSize boundary.
+		 * If a follow-up command crosses such boundary, firmware puts
+		 * a placeholder zero-length command in its place then aligns
+		 * the real command to the next max packet size.
+		 *
+		 * Handle such cases or we're going to miss a significant
+		 * number of events in case of a heavy rx load on the bus.
+		 */
+		if (msg->len == 0) {
+			pos = round_up(pos, dev->bulk_in->wMaxPacketSize);
+			continue;
+		}
 
 		if (pos + msg->len > urb->actual_length) {
 			dev_err(dev->udev->dev.parent, "Format error\n");
@@ -1326,7 +1344,6 @@ static void kvaser_usb_read_bulk_callback(struct urb *urb)
 		}
 
 		kvaser_usb_handle_message(dev, msg);
-
 		pos += msg->len;
 	}
 
@@ -1615,8 +1632,7 @@ static netdev_tx_t kvaser_usb_start_xmit(struct sk_buff *skb,
 	struct urb *urb;
 	void *buf;
 	struct kvaser_msg *msg;
-	int i, err;
-	int ret = NETDEV_TX_OK;
+	int i, err, ret = NETDEV_TX_OK;
 	u8 *msg_tx_can_flags = NULL;		/* GCC */
 
 	if (can_dropped_invalid_skb(netdev, skb))
@@ -1634,7 +1650,7 @@ static netdev_tx_t kvaser_usb_start_xmit(struct sk_buff *skb,
 	if (!buf) {
 		stats->tx_dropped++;
 		dev_kfree_skb(skb);
-		goto nobufmem;
+		goto freeurb;
 	}
 
 	msg = buf;
@@ -1681,8 +1697,10 @@ static netdev_tx_t kvaser_usb_start_xmit(struct sk_buff *skb,
 	/* This should never happen; it implies a flow control bug */
 	if (!context) {
 		netdev_warn(netdev, "cannot find free context\n");
+
+		kfree(buf);
 		ret =  NETDEV_TX_BUSY;
-		goto releasebuf;
+		goto freeurb;
 	}
 
 	context->priv = priv;
@@ -1719,16 +1737,12 @@ static netdev_tx_t kvaser_usb_start_xmit(struct sk_buff *skb,
 		else
 			netdev_warn(netdev, "Failed tx_urb %d\n", err);
 
-		goto releasebuf;
+		goto freeurb;
 	}
 
-	usb_free_urb(urb);
-
-	return NETDEV_TX_OK;
+	ret = NETDEV_TX_OK;
 
-releasebuf:
-	kfree(buf);
-nobufmem:
+freeurb:
 	usb_free_urb(urb);
 	return ret;
 }
diff --git a/drivers/net/can/usb/peak_usb/pcan_usb_fd.c b/drivers/net/can/usb/peak_usb/pcan_usb_fd.c
index 962c3f027383..0bac0f14edc3 100644
--- a/drivers/net/can/usb/peak_usb/pcan_usb_fd.c
+++ b/drivers/net/can/usb/peak_usb/pcan_usb_fd.c
@@ -879,6 +879,10 @@ static int pcan_usb_fd_init(struct peak_usb_device *dev)
 
 		pdev->usb_if = ppdev->usb_if;
 		pdev->cmd_buffer_addr = ppdev->cmd_buffer_addr;
+
+		/* do a copy of the ctrlmode[_supported] too */
+		dev->can.ctrlmode = ppdev->dev.can.ctrlmode;
+		dev->can.ctrlmode_supported = ppdev->dev.can.ctrlmode_supported;
 	}
 
 	pdev->usb_if->dev[dev->ctrl_idx] = dev;
diff --git a/drivers/net/dsa/bcm_sf2.h b/drivers/net/dsa/bcm_sf2.h
index ee9f650d5026..7b7053d3c5fa 100644
--- a/drivers/net/dsa/bcm_sf2.h
+++ b/drivers/net/dsa/bcm_sf2.h
@@ -105,8 +105,8 @@ static inline u64 name##_readq(struct bcm_sf2_priv *priv, u32 off)	\
 {									\
 	u32 indir, dir;							\
 	spin_lock(&priv->indir_lock);					\
-	indir = reg_readl(priv, REG_DIR_DATA_READ);			\
 	dir = __raw_readl(priv->name + off);				\
+	indir = reg_readl(priv, REG_DIR_DATA_READ);			\
 	spin_unlock(&priv->indir_lock);					\
 	return (u64)indir << 32 | dir;					\
 }									\
diff --git a/drivers/net/ethernet/8390/axnet_cs.c b/drivers/net/ethernet/8390/axnet_cs.c
index 7769c05543f1..ec6eac1f8c95 100644
--- a/drivers/net/ethernet/8390/axnet_cs.c
+++ b/drivers/net/ethernet/8390/axnet_cs.c
@@ -484,11 +484,8 @@ static int axnet_open(struct net_device *dev)
     link->open++;
 
     info->link_status = 0x00;
-    init_timer(&info->watchdog);
-    info->watchdog.function = ei_watchdog;
-    info->watchdog.data = (u_long)dev;
-    info->watchdog.expires = jiffies + HZ;
-    add_timer(&info->watchdog);
+    setup_timer(&info->watchdog, ei_watchdog, (u_long)dev);
+    mod_timer(&info->watchdog, jiffies + HZ);
 
     return ax_open(dev);
 } /* axnet_open */
diff --git a/drivers/net/ethernet/8390/pcnet_cs.c b/drivers/net/ethernet/8390/pcnet_cs.c
index 9fb7b9d4fd6c..2777289a26c0 100644
--- a/drivers/net/ethernet/8390/pcnet_cs.c
+++ b/drivers/net/ethernet/8390/pcnet_cs.c
@@ -918,11 +918,8 @@ static int pcnet_open(struct net_device *dev)
 
     info->phy_id = info->eth_phy;
     info->link_status = 0x00;
-    init_timer(&info->watchdog);
-    info->watchdog.function = ei_watchdog;
-    info->watchdog.data = (u_long)dev;
-    info->watchdog.expires = jiffies + HZ;
-    add_timer(&info->watchdog);
+    setup_timer(&info->watchdog, ei_watchdog, (u_long)dev);
+    mod_timer(&info->watchdog, jiffies + HZ);
 
     return ei_open(dev);
 } /* pcnet_open */
diff --git a/drivers/net/ethernet/altera/altera_tse_main.c b/drivers/net/ethernet/altera/altera_tse_main.c
index 760c72c6e2ac..6725dc00750b 100644
--- a/drivers/net/ethernet/altera/altera_tse_main.c
+++ b/drivers/net/ethernet/altera/altera_tse_main.c
@@ -376,7 +376,8 @@ static int tse_rx(struct altera_tse_private *priv, int limit)
 	u16 pktlength;
 	u16 pktstatus;
 
-	while ((rxstatus = priv->dmaops->get_rx_status(priv)) != 0) {
+	while (((rxstatus = priv->dmaops->get_rx_status(priv)) != 0) &&
+	       (count < limit))  {
 		pktstatus = rxstatus >> 16;
 		pktlength = rxstatus & 0xffff;
 
@@ -491,28 +492,27 @@ static int tse_poll(struct napi_struct *napi, int budget)
 	struct altera_tse_private *priv =
 			container_of(napi, struct altera_tse_private, napi);
 	int rxcomplete = 0;
-	int txcomplete = 0;
 	unsigned long int flags;
 
-	txcomplete = tse_tx_complete(priv);
+	tse_tx_complete(priv);
 
 	rxcomplete = tse_rx(priv, budget);
 
-	if (rxcomplete >= budget || txcomplete > 0)
-		return rxcomplete;
+	if (rxcomplete < budget) {
 
-	napi_gro_flush(napi, false);
-	__napi_complete(napi);
+		napi_gro_flush(napi, false);
+		__napi_complete(napi);
 
-	netdev_dbg(priv->dev,
-		   "NAPI Complete, did %d packets with budget %d\n",
-		   txcomplete+rxcomplete, budget);
+		netdev_dbg(priv->dev,
+			   "NAPI Complete, did %d packets with budget %d\n",
+			   rxcomplete, budget);
 
-	spin_lock_irqsave(&priv->rxdma_irq_lock, flags);
-	priv->dmaops->enable_rxirq(priv);
-	priv->dmaops->enable_txirq(priv);
-	spin_unlock_irqrestore(&priv->rxdma_irq_lock, flags);
-	return rxcomplete + txcomplete;
+		spin_lock_irqsave(&priv->rxdma_irq_lock, flags);
+		priv->dmaops->enable_rxirq(priv);
+		priv->dmaops->enable_txirq(priv);
+		spin_unlock_irqrestore(&priv->rxdma_irq_lock, flags);
+	}
+	return rxcomplete;
 }
 
 /* DMA TX & RX FIFO interrupt routing
@@ -521,7 +521,6 @@ static irqreturn_t altera_isr(int irq, void *dev_id)
 {
 	struct net_device *dev = dev_id;
 	struct altera_tse_private *priv;
-	unsigned long int flags;
 
 	if (unlikely(!dev)) {
 		pr_err("%s: invalid dev pointer\n", __func__);
@@ -529,20 +528,20 @@ static irqreturn_t altera_isr(int irq, void *dev_id)
 	}
 	priv = netdev_priv(dev);
 
-	/* turn off desc irqs and enable napi rx */
-	spin_lock_irqsave(&priv->rxdma_irq_lock, flags);
+	spin_lock(&priv->rxdma_irq_lock);
+	/* reset IRQs */
+	priv->dmaops->clear_rxirq(priv);
+	priv->dmaops->clear_txirq(priv);
+	spin_unlock(&priv->rxdma_irq_lock);
 
 	if (likely(napi_schedule_prep(&priv->napi))) {
+		spin_lock(&priv->rxdma_irq_lock);
 		priv->dmaops->disable_rxirq(priv);
 		priv->dmaops->disable_txirq(priv);
+		spin_unlock(&priv->rxdma_irq_lock);
 		__napi_schedule(&priv->napi);
 	}
 
-	/* reset IRQs */
-	priv->dmaops->clear_rxirq(priv);
-	priv->dmaops->clear_txirq(priv);
-
-	spin_unlock_irqrestore(&priv->rxdma_irq_lock, flags);
 
 	return IRQ_HANDLED;
 }
@@ -1399,7 +1398,7 @@ static int altera_tse_probe(struct platform_device *pdev)
 	}
 
 	if (of_property_read_u32(pdev->dev.of_node, "tx-fifo-depth",
-				 &priv->rx_fifo_depth)) {
+				 &priv->tx_fifo_depth)) {
 		dev_err(&pdev->dev, "cannot obtain tx-fifo-depth\n");
 		ret = -ENXIO;
 		goto err_free_netdev;
diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-drv.c b/drivers/net/ethernet/amd/xgbe/xgbe-drv.c
index b93d4404d975..885b02b5be07 100644
--- a/drivers/net/ethernet/amd/xgbe/xgbe-drv.c
+++ b/drivers/net/ethernet/amd/xgbe/xgbe-drv.c
@@ -609,6 +609,68 @@ static void xgbe_napi_disable(struct xgbe_prv_data *pdata, unsigned int del)
 	}
 }
 
+static int xgbe_request_irqs(struct xgbe_prv_data *pdata)
+{
+	struct xgbe_channel *channel;
+	struct net_device *netdev = pdata->netdev;
+	unsigned int i;
+	int ret;
+
+	ret = devm_request_irq(pdata->dev, pdata->dev_irq, xgbe_isr, 0,
+			       netdev->name, pdata);
+	if (ret) {
+		netdev_alert(netdev, "error requesting irq %d\n",
+			     pdata->dev_irq);
+		return ret;
+	}
+
+	if (!pdata->per_channel_irq)
+		return 0;
+
+	channel = pdata->channel;
+	for (i = 0; i < pdata->channel_count; i++, channel++) {
+		snprintf(channel->dma_irq_name,
+			 sizeof(channel->dma_irq_name) - 1,
+			 "%s-TxRx-%u", netdev_name(netdev),
+			 channel->queue_index);
+
+		ret = devm_request_irq(pdata->dev, channel->dma_irq,
+				       xgbe_dma_isr, 0,
+				       channel->dma_irq_name, channel);
+		if (ret) {
+			netdev_alert(netdev, "error requesting irq %d\n",
+				     channel->dma_irq);
+			goto err_irq;
+		}
+	}
+
+	return 0;
+
+err_irq:
+	/* Using an unsigned int, 'i' will go to UINT_MAX and exit */
+	for (i--, channel--; i < pdata->channel_count; i--, channel--)
+		devm_free_irq(pdata->dev, channel->dma_irq, channel);
+
+	devm_free_irq(pdata->dev, pdata->dev_irq, pdata);
+
+	return ret;
+}
+
+static void xgbe_free_irqs(struct xgbe_prv_data *pdata)
+{
+	struct xgbe_channel *channel;
+	unsigned int i;
+
+	devm_free_irq(pdata->dev, pdata->dev_irq, pdata);
+
+	if (!pdata->per_channel_irq)
+		return;
+
+	channel = pdata->channel;
+	for (i = 0; i < pdata->channel_count; i++, channel++)
+		devm_free_irq(pdata->dev, channel->dma_irq, channel);
+}
+
 void xgbe_init_tx_coalesce(struct xgbe_prv_data *pdata)
 {
 	struct xgbe_hw_if *hw_if = &pdata->hw_if;
@@ -810,20 +872,20 @@ int xgbe_powerdown(struct net_device *netdev, unsigned int caller)
 		return -EINVAL;
 	}
 
-	phy_stop(pdata->phydev);
-
 	spin_lock_irqsave(&pdata->lock, flags);
 
 	if (caller == XGMAC_DRIVER_CONTEXT)
 		netif_device_detach(netdev);
 
 	netif_tx_stop_all_queues(netdev);
-	xgbe_napi_disable(pdata, 0);
 
-	/* Powerdown Tx/Rx */
 	hw_if->powerdown_tx(pdata);
 	hw_if->powerdown_rx(pdata);
 
+	xgbe_napi_disable(pdata, 0);
+
+	phy_stop(pdata->phydev);
+
 	pdata->power_down = 1;
 
 	spin_unlock_irqrestore(&pdata->lock, flags);
@@ -854,14 +916,14 @@ int xgbe_powerup(struct net_device *netdev, unsigned int caller)
 
 	phy_start(pdata->phydev);
 
-	/* Enable Tx/Rx */
+	xgbe_napi_enable(pdata, 0);
+
 	hw_if->powerup_tx(pdata);
 	hw_if->powerup_rx(pdata);
 
 	if (caller == XGMAC_DRIVER_CONTEXT)
 		netif_device_attach(netdev);
 
-	xgbe_napi_enable(pdata, 0);
 	netif_tx_start_all_queues(netdev);
 
 	spin_unlock_irqrestore(&pdata->lock, flags);
@@ -875,6 +937,7 @@ static int xgbe_start(struct xgbe_prv_data *pdata)
 {
 	struct xgbe_hw_if *hw_if = &pdata->hw_if;
 	struct net_device *netdev = pdata->netdev;
+	int ret;
 
 	DBGPR("-->xgbe_start\n");
 
@@ -884,17 +947,31 @@ static int xgbe_start(struct xgbe_prv_data *pdata)
 
 	phy_start(pdata->phydev);
 
+	xgbe_napi_enable(pdata, 1);
+
+	ret = xgbe_request_irqs(pdata);
+	if (ret)
+		goto err_napi;
+
 	hw_if->enable_tx(pdata);
 	hw_if->enable_rx(pdata);
 
 	xgbe_init_tx_timers(pdata);
 
-	xgbe_napi_enable(pdata, 1);
 	netif_tx_start_all_queues(netdev);
 
 	DBGPR("<--xgbe_start\n");
 
 	return 0;
+
+err_napi:
+	xgbe_napi_disable(pdata, 1);
+
+	phy_stop(pdata->phydev);
+
+	hw_if->exit(pdata);
+
+	return ret;
 }
 
 static void xgbe_stop(struct xgbe_prv_data *pdata)
@@ -907,16 +984,21 @@ static void xgbe_stop(struct xgbe_prv_data *pdata)
 
 	DBGPR("-->xgbe_stop\n");
 
-	phy_stop(pdata->phydev);
-
 	netif_tx_stop_all_queues(netdev);
-	xgbe_napi_disable(pdata, 1);
 
 	xgbe_stop_tx_timers(pdata);
 
 	hw_if->disable_tx(pdata);
 	hw_if->disable_rx(pdata);
 
+	xgbe_free_irqs(pdata);
+
+	xgbe_napi_disable(pdata, 1);
+
+	phy_stop(pdata->phydev);
+
+	hw_if->exit(pdata);
+
 	channel = pdata->channel;
 	for (i = 0; i < pdata->channel_count; i++, channel++) {
 		if (!channel->tx_ring)
@@ -931,10 +1013,6 @@ static void xgbe_stop(struct xgbe_prv_data *pdata)
 
 static void xgbe_restart_dev(struct xgbe_prv_data *pdata)
 {
-	struct xgbe_channel *channel;
-	struct xgbe_hw_if *hw_if = &pdata->hw_if;
-	unsigned int i;
-
 	DBGPR("-->xgbe_restart_dev\n");
 
 	/* If not running, "restart" will happen on open */
@@ -942,19 +1020,10 @@ static void xgbe_restart_dev(struct xgbe_prv_data *pdata)
 		return;
 
 	xgbe_stop(pdata);
-	synchronize_irq(pdata->dev_irq);
-	if (pdata->per_channel_irq) {
-		channel = pdata->channel;
-		for (i = 0; i < pdata->channel_count; i++, channel++)
-			synchronize_irq(channel->dma_irq);
-	}
 
 	xgbe_free_tx_data(pdata);
 	xgbe_free_rx_data(pdata);
 
-	/* Issue software reset to device */
-	hw_if->exit(pdata);
-
 	xgbe_start(pdata);
 
 	DBGPR("<--xgbe_restart_dev\n");
@@ -1283,10 +1352,7 @@ static void xgbe_packet_info(struct xgbe_prv_data *pdata,
 static int xgbe_open(struct net_device *netdev)
 {
 	struct xgbe_prv_data *pdata = netdev_priv(netdev);
-	struct xgbe_hw_if *hw_if = &pdata->hw_if;
 	struct xgbe_desc_if *desc_if = &pdata->desc_if;
-	struct xgbe_channel *channel = NULL;
-	unsigned int i = 0;
 	int ret;
 
 	DBGPR("-->xgbe_open\n");
@@ -1329,55 +1395,14 @@ static int xgbe_open(struct net_device *netdev)
 	INIT_WORK(&pdata->restart_work, xgbe_restart);
 	INIT_WORK(&pdata->tx_tstamp_work, xgbe_tx_tstamp);
 
-	/* Request interrupts */
-	ret = devm_request_irq(pdata->dev, pdata->dev_irq, xgbe_isr, 0,
-			       netdev->name, pdata);
-	if (ret) {
-		netdev_alert(netdev, "error requesting irq %d\n",
-			     pdata->dev_irq);
-		goto err_rings;
-	}
-
-	if (pdata->per_channel_irq) {
-		channel = pdata->channel;
-		for (i = 0; i < pdata->channel_count; i++, channel++) {
-			snprintf(channel->dma_irq_name,
-				 sizeof(channel->dma_irq_name) - 1,
-				 "%s-TxRx-%u", netdev_name(netdev),
-				 channel->queue_index);
-
-			ret = devm_request_irq(pdata->dev, channel->dma_irq,
-					       xgbe_dma_isr, 0,
-					       channel->dma_irq_name, channel);
-			if (ret) {
-				netdev_alert(netdev,
-					     "error requesting irq %d\n",
-					     channel->dma_irq);
-				goto err_irq;
-			}
-		}
-	}
-
 	ret = xgbe_start(pdata);
 	if (ret)
-		goto err_start;
+		goto err_rings;
 
 	DBGPR("<--xgbe_open\n");
 
 	return 0;
 
-err_start:
-	hw_if->exit(pdata);
-
-err_irq:
-	if (pdata->per_channel_irq) {
-		/* Using an unsigned int, 'i' will go to UINT_MAX and exit */
-		for (i--, channel--; i < pdata->channel_count; i--, channel--)
-			devm_free_irq(pdata->dev, channel->dma_irq, channel);
-	}
-
-	devm_free_irq(pdata->dev, pdata->dev_irq, pdata);
-
 err_rings:
 	desc_if->free_ring_resources(pdata);
 
@@ -1399,30 +1424,16 @@ err_phy_init:
 static int xgbe_close(struct net_device *netdev)
 {
 	struct xgbe_prv_data *pdata = netdev_priv(netdev);
-	struct xgbe_hw_if *hw_if = &pdata->hw_if;
 	struct xgbe_desc_if *desc_if = &pdata->desc_if;
-	struct xgbe_channel *channel;
-	unsigned int i;
 
 	DBGPR("-->xgbe_close\n");
 
 	/* Stop the device */
 	xgbe_stop(pdata);
 
-	/* Issue software reset to device */
-	hw_if->exit(pdata);
-
 	/* Free the ring descriptors and buffers */
 	desc_if->free_ring_resources(pdata);
 
-	/* Release the interrupts */
-	devm_free_irq(pdata->dev, pdata->dev_irq, pdata);
-	if (pdata->per_channel_irq) {
-		channel = pdata->channel;
-		for (i = 0; i < pdata->channel_count; i++, channel++)
-			devm_free_irq(pdata->dev, channel->dma_irq, channel);
-	}
-
 	/* Free the channel and ring structures */
 	xgbe_free_channels(pdata);
 
diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c b/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c
index 869d97fcf781..b927021c6c40 100644
--- a/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c
+++ b/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c
@@ -593,7 +593,7 @@ static int xgene_enet_reset(struct xgene_enet_pdata *pdata)
 	if (!xgene_ring_mgr_init(pdata))
 		return -ENODEV;
 
-	if (!efi_enabled(EFI_BOOT)) {
+	if (pdata->clk) {
 		clk_prepare_enable(pdata->clk);
 		clk_disable_unprepare(pdata->clk);
 		clk_prepare_enable(pdata->clk);
diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_main.c b/drivers/net/ethernet/apm/xgene/xgene_enet_main.c
index 4de62b210c85..635a83be7e5e 100644
--- a/drivers/net/ethernet/apm/xgene/xgene_enet_main.c
+++ b/drivers/net/ethernet/apm/xgene/xgene_enet_main.c
@@ -1025,6 +1025,8 @@ static int xgene_enet_remove(struct platform_device *pdev)
 #ifdef CONFIG_ACPI
 static const struct acpi_device_id xgene_enet_acpi_match[] = {
 	{ "APMC0D05", },
+	{ "APMC0D30", },
+	{ "APMC0D31", },
 	{ }
 };
 MODULE_DEVICE_TABLE(acpi, xgene_enet_acpi_match);
@@ -1033,6 +1035,8 @@ MODULE_DEVICE_TABLE(acpi, xgene_enet_acpi_match);
 #ifdef CONFIG_OF
 static struct of_device_id xgene_enet_of_match[] = {
 	{.compatible = "apm,xgene-enet",},
+	{.compatible = "apm,xgene1-sgenet",},
+	{.compatible = "apm,xgene1-xgenet",},
 	{},
 };
 
diff --git a/drivers/net/ethernet/broadcom/bcm63xx_enet.c b/drivers/net/ethernet/broadcom/bcm63xx_enet.c
index 21206d33b638..a7f2cc3e485e 100644
--- a/drivers/net/ethernet/broadcom/bcm63xx_enet.c
+++ b/drivers/net/ethernet/broadcom/bcm63xx_enet.c
@@ -486,7 +486,7 @@ static int bcm_enet_poll(struct napi_struct *napi, int budget)
 {
 	struct bcm_enet_priv *priv;
 	struct net_device *dev;
-	int tx_work_done, rx_work_done;
+	int rx_work_done;
 
 	priv = container_of(napi, struct bcm_enet_priv, napi);
 	dev = priv->net_dev;
@@ -498,14 +498,14 @@ static int bcm_enet_poll(struct napi_struct *napi, int budget)
 			 ENETDMAC_IR, priv->tx_chan);
 
 	/* reclaim sent skb */
-	tx_work_done = bcm_enet_tx_reclaim(dev, 0);
+	bcm_enet_tx_reclaim(dev, 0);
 
 	spin_lock(&priv->rx_lock);
 	rx_work_done = bcm_enet_receive_queue(dev, budget);
 	spin_unlock(&priv->rx_lock);
 
-	if (rx_work_done >= budget || tx_work_done > 0) {
-		/* rx/tx queue is not yet empty/clean */
+	if (rx_work_done >= budget) {
+		/* rx queue is not yet empty/clean */
 		return rx_work_done;
 	}
 
diff --git a/drivers/net/ethernet/broadcom/bcmsysport.c b/drivers/net/ethernet/broadcom/bcmsysport.c
index 5b308a4a4d0e..783543ad1fcf 100644
--- a/drivers/net/ethernet/broadcom/bcmsysport.c
+++ b/drivers/net/ethernet/broadcom/bcmsysport.c
@@ -274,9 +274,9 @@ static const struct bcm_sysport_stats bcm_sysport_gstrings_stats[] = {
 	/* RBUF misc statistics */
 	STAT_RBUF("rbuf_ovflow_cnt", mib.rbuf_ovflow_cnt, RBUF_OVFL_DISC_CNTR),
 	STAT_RBUF("rbuf_err_cnt", mib.rbuf_err_cnt, RBUF_ERR_PKT_CNTR),
-	STAT_MIB_RX("alloc_rx_buff_failed", mib.alloc_rx_buff_failed),
-	STAT_MIB_RX("rx_dma_failed", mib.rx_dma_failed),
-	STAT_MIB_TX("tx_dma_failed", mib.tx_dma_failed),
+	STAT_MIB_SOFT("alloc_rx_buff_failed", mib.alloc_rx_buff_failed),
+	STAT_MIB_SOFT("rx_dma_failed", mib.rx_dma_failed),
+	STAT_MIB_SOFT("tx_dma_failed", mib.tx_dma_failed),
 };
 
 #define BCM_SYSPORT_STATS_LEN	ARRAY_SIZE(bcm_sysport_gstrings_stats)
@@ -345,6 +345,7 @@ static void bcm_sysport_update_mib_counters(struct bcm_sysport_priv *priv)
 		s = &bcm_sysport_gstrings_stats[i];
 		switch (s->type) {
 		case BCM_SYSPORT_STAT_NETDEV:
+		case BCM_SYSPORT_STAT_SOFT:
 			continue;
 		case BCM_SYSPORT_STAT_MIB_RX:
 		case BCM_SYSPORT_STAT_MIB_TX:
diff --git a/drivers/net/ethernet/broadcom/bcmsysport.h b/drivers/net/ethernet/broadcom/bcmsysport.h
index fc19417d82a5..7e3d87a88c76 100644
--- a/drivers/net/ethernet/broadcom/bcmsysport.h
+++ b/drivers/net/ethernet/broadcom/bcmsysport.h
@@ -570,6 +570,7 @@ enum bcm_sysport_stat_type {
 	BCM_SYSPORT_STAT_RUNT,
 	BCM_SYSPORT_STAT_RXCHK,
 	BCM_SYSPORT_STAT_RBUF,
+	BCM_SYSPORT_STAT_SOFT,
 };
 
 /* Macros to help define ethtool statistics */
@@ -590,6 +591,7 @@ enum bcm_sysport_stat_type {
 #define STAT_MIB_RX(str, m) STAT_MIB(str, m, BCM_SYSPORT_STAT_MIB_RX)
 #define STAT_MIB_TX(str, m) STAT_MIB(str, m, BCM_SYSPORT_STAT_MIB_TX)
 #define STAT_RUNT(str, m) STAT_MIB(str, m, BCM_SYSPORT_STAT_RUNT)
+#define STAT_MIB_SOFT(str, m) STAT_MIB(str, m, BCM_SYSPORT_STAT_SOFT)
 
 #define STAT_RXCHK(str, m, ofs) { \
 	.stat_string = str, \
diff --git a/drivers/net/ethernet/broadcom/bgmac.c b/drivers/net/ethernet/broadcom/bgmac.c
index 676ffe093180..0469f72c6e7e 100644
--- a/drivers/net/ethernet/broadcom/bgmac.c
+++ b/drivers/net/ethernet/broadcom/bgmac.c
@@ -302,9 +302,6 @@ static int bgmac_dma_rx_skb_for_slot(struct bgmac *bgmac,
 	slot->skb = skb;
 	slot->dma_addr = dma_addr;
 
-	if (slot->dma_addr & 0xC0000000)
-		bgmac_warn(bgmac, "DMA address using 0xC0000000 bit(s), it may need translation trick\n");
-
 	return 0;
 }
 
@@ -505,8 +502,6 @@ static int bgmac_dma_alloc(struct bgmac *bgmac)
 				  ring->mmio_base);
 			goto err_dma_free;
 		}
-		if (ring->dma_base & 0xC0000000)
-			bgmac_warn(bgmac, "DMA address using 0xC0000000 bit(s), it may need translation trick\n");
 
 		ring->unaligned = bgmac_dma_unaligned(bgmac, ring,
 						      BGMAC_DMA_RING_TX);
@@ -536,8 +531,6 @@ static int bgmac_dma_alloc(struct bgmac *bgmac)
 			err = -ENOMEM;
 			goto err_dma_free;
 		}
-		if (ring->dma_base & 0xC0000000)
-			bgmac_warn(bgmac, "DMA address using 0xC0000000 bit(s), it may need translation trick\n");
 
 		ring->unaligned = bgmac_dma_unaligned(bgmac, ring,
 						      BGMAC_DMA_RING_RX);
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
index 7155e1d2c208..bef750a09027 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
@@ -12722,6 +12722,9 @@ static int bnx2x_init_dev(struct bnx2x *bp, struct pci_dev *pdev,
 	pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
 			       PCICFG_VENDOR_ID_OFFSET);
 
+	/* Set PCIe reset type to fundamental for EEH recovery */
+	pdev->needs_freset = 1;
+
 	/* AER (Advanced Error reporting) configuration */
 	rc = pci_enable_pcie_error_reporting(pdev);
 	if (!rc)
diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.c b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
index ff83c46bc389..6befde61c203 100644
--- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c
+++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
@@ -487,6 +487,7 @@ enum bcmgenet_stat_type {
 	BCMGENET_STAT_MIB_TX,
 	BCMGENET_STAT_RUNT,
 	BCMGENET_STAT_MISC,
+	BCMGENET_STAT_SOFT,
 };
 
 struct bcmgenet_stats {
@@ -515,6 +516,7 @@ struct bcmgenet_stats {
 #define STAT_GENET_MIB_RX(str, m) STAT_GENET_MIB(str, m, BCMGENET_STAT_MIB_RX)
 #define STAT_GENET_MIB_TX(str, m) STAT_GENET_MIB(str, m, BCMGENET_STAT_MIB_TX)
 #define STAT_GENET_RUNT(str, m) STAT_GENET_MIB(str, m, BCMGENET_STAT_RUNT)
+#define STAT_GENET_SOFT_MIB(str, m) STAT_GENET_MIB(str, m, BCMGENET_STAT_SOFT)
 
 #define STAT_GENET_MISC(str, m, offset) { \
 	.stat_string = str, \
@@ -614,9 +616,9 @@ static const struct bcmgenet_stats bcmgenet_gstrings_stats[] = {
 			UMAC_RBUF_OVFL_CNT),
 	STAT_GENET_MISC("rbuf_err_cnt", mib.rbuf_err_cnt, UMAC_RBUF_ERR_CNT),
 	STAT_GENET_MISC("mdf_err_cnt", mib.mdf_err_cnt, UMAC_MDF_ERR_CNT),
-	STAT_GENET_MIB_RX("alloc_rx_buff_failed", mib.alloc_rx_buff_failed),
-	STAT_GENET_MIB_RX("rx_dma_failed", mib.rx_dma_failed),
-	STAT_GENET_MIB_TX("tx_dma_failed", mib.tx_dma_failed),
+	STAT_GENET_SOFT_MIB("alloc_rx_buff_failed", mib.alloc_rx_buff_failed),
+	STAT_GENET_SOFT_MIB("rx_dma_failed", mib.rx_dma_failed),
+	STAT_GENET_SOFT_MIB("tx_dma_failed", mib.tx_dma_failed),
 };
 
 #define BCMGENET_STATS_LEN	ARRAY_SIZE(bcmgenet_gstrings_stats)
@@ -668,6 +670,7 @@ static void bcmgenet_update_mib_counters(struct bcmgenet_priv *priv)
 		s = &bcmgenet_gstrings_stats[i];
 		switch (s->type) {
 		case BCMGENET_STAT_NETDEV:
+		case BCMGENET_STAT_SOFT:
 			continue;
 		case BCMGENET_STAT_MIB_RX:
 		case BCMGENET_STAT_MIB_TX:
@@ -971,13 +974,14 @@ static inline void bcmgenet_tx_ring_int_disable(struct bcmgenet_priv *priv,
 }
 
 /* Unlocked version of the reclaim routine */
-static void __bcmgenet_tx_reclaim(struct net_device *dev,
-				  struct bcmgenet_tx_ring *ring)
+static unsigned int __bcmgenet_tx_reclaim(struct net_device *dev,
+					  struct bcmgenet_tx_ring *ring)
 {
 	struct bcmgenet_priv *priv = netdev_priv(dev);
 	int last_tx_cn, last_c_index, num_tx_bds;
 	struct enet_cb *tx_cb_ptr;
 	struct netdev_queue *txq;
+	unsigned int pkts_compl = 0;
 	unsigned int bds_compl;
 	unsigned int c_index;
 
@@ -1005,6 +1009,7 @@ static void __bcmgenet_tx_reclaim(struct net_device *dev,
 		tx_cb_ptr = ring->cbs + last_c_index;
 		bds_compl = 0;
 		if (tx_cb_ptr->skb) {
+			pkts_compl++;
 			bds_compl = skb_shinfo(tx_cb_ptr->skb)->nr_frags + 1;
 			dev->stats.tx_bytes += tx_cb_ptr->skb->len;
 			dma_unmap_single(&dev->dev,
@@ -1028,23 +1033,45 @@ static void __bcmgenet_tx_reclaim(struct net_device *dev,
 		last_c_index &= (num_tx_bds - 1);
 	}
 
-	if (ring->free_bds > (MAX_SKB_FRAGS + 1))
-		ring->int_disable(priv, ring);
-
-	if (netif_tx_queue_stopped(txq))
-		netif_tx_wake_queue(txq);
+	if (ring->free_bds > (MAX_SKB_FRAGS + 1)) {
+		if (netif_tx_queue_stopped(txq))
+			netif_tx_wake_queue(txq);
+	}
 
 	ring->c_index = c_index;
+
+	return pkts_compl;
 }
 
-static void bcmgenet_tx_reclaim(struct net_device *dev,
+static unsigned int bcmgenet_tx_reclaim(struct net_device *dev,
 				struct bcmgenet_tx_ring *ring)
 {
+	unsigned int released;
 	unsigned long flags;
 
 	spin_lock_irqsave(&ring->lock, flags);
-	__bcmgenet_tx_reclaim(dev, ring);
+	released = __bcmgenet_tx_reclaim(dev, ring);
 	spin_unlock_irqrestore(&ring->lock, flags);
+
+	return released;
+}
+
+static int bcmgenet_tx_poll(struct napi_struct *napi, int budget)
+{
+	struct bcmgenet_tx_ring *ring =
+		container_of(napi, struct bcmgenet_tx_ring, napi);
+	unsigned int work_done = 0;
+
+	work_done = bcmgenet_tx_reclaim(ring->priv->dev, ring);
+
+	if (work_done == 0) {
+		napi_complete(napi);
+		ring->int_enable(ring->priv, ring);
+
+		return 0;
+	}
+
+	return budget;
 }
 
 static void bcmgenet_tx_reclaim_all(struct net_device *dev)
@@ -1302,10 +1329,8 @@ static netdev_tx_t bcmgenet_xmit(struct sk_buff *skb, struct net_device *dev)
 	bcmgenet_tdma_ring_writel(priv, ring->index,
 				  ring->prod_index, TDMA_PROD_INDEX);
 
-	if (ring->free_bds <= (MAX_SKB_FRAGS + 1)) {
+	if (ring->free_bds <= (MAX_SKB_FRAGS + 1))
 		netif_tx_stop_queue(txq);
-		ring->int_enable(priv, ring);
-	}
 
 out:
 	spin_unlock_irqrestore(&ring->lock, flags);
@@ -1621,6 +1646,7 @@ static int init_umac(struct bcmgenet_priv *priv)
 	struct device *kdev = &priv->pdev->dev;
 	int ret;
 	u32 reg, cpu_mask_clear;
+	int index;
 
 	dev_dbg(&priv->pdev->dev, "bcmgenet: init_umac\n");
 
@@ -1647,7 +1673,7 @@ static int init_umac(struct bcmgenet_priv *priv)
 
 	bcmgenet_intr_disable(priv);
 
-	cpu_mask_clear = UMAC_IRQ_RXDMA_BDONE;
+	cpu_mask_clear = UMAC_IRQ_RXDMA_BDONE | UMAC_IRQ_TXDMA_BDONE;
 
 	dev_dbg(kdev, "%s:Enabling RXDMA_BDONE interrupt\n", __func__);
 
@@ -1674,6 +1700,10 @@ static int init_umac(struct bcmgenet_priv *priv)
 
 	bcmgenet_intrl2_0_writel(priv, cpu_mask_clear, INTRL2_CPU_MASK_CLEAR);
 
+	for (index = 0; index < priv->hw_params->tx_queues; index++)
+		bcmgenet_intrl2_1_writel(priv, (1 << index),
+					 INTRL2_CPU_MASK_CLEAR);
+
 	/* Enable rx/tx engine.*/
 	dev_dbg(kdev, "done init umac\n");
 
@@ -1693,6 +1723,8 @@ static void bcmgenet_init_tx_ring(struct bcmgenet_priv *priv,
 	unsigned int first_bd;
 
 	spin_lock_init(&ring->lock);
+	ring->priv = priv;
+	netif_napi_add(priv->dev, &ring->napi, bcmgenet_tx_poll, 64);
 	ring->index = index;
 	if (index == DESC_INDEX) {
 		ring->queue = 0;
@@ -1738,6 +1770,17 @@ static void bcmgenet_init_tx_ring(struct bcmgenet_priv *priv,
 				  TDMA_WRITE_PTR);
 	bcmgenet_tdma_ring_writel(priv, index, end_ptr * words_per_bd - 1,
 				  DMA_END_ADDR);
+
+	napi_enable(&ring->napi);
+}
+
+static void bcmgenet_fini_tx_ring(struct bcmgenet_priv *priv,
+				  unsigned int index)
+{
+	struct bcmgenet_tx_ring *ring = &priv->tx_rings[index];
+
+	napi_disable(&ring->napi);
+	netif_napi_del(&ring->napi);
 }
 
 /* Initialize a RDMA ring */
@@ -1907,7 +1950,7 @@ static int bcmgenet_dma_teardown(struct bcmgenet_priv *priv)
 	return ret;
 }
 
-static void bcmgenet_fini_dma(struct bcmgenet_priv *priv)
+static void __bcmgenet_fini_dma(struct bcmgenet_priv *priv)
 {
 	int i;
 
@@ -1926,6 +1969,18 @@ static void bcmgenet_fini_dma(struct bcmgenet_priv *priv)
 	kfree(priv->tx_cbs);
 }
 
+static void bcmgenet_fini_dma(struct bcmgenet_priv *priv)
+{
+	int i;
+
+	bcmgenet_fini_tx_ring(priv, DESC_INDEX);
+
+	for (i = 0; i < priv->hw_params->tx_queues; i++)
+		bcmgenet_fini_tx_ring(priv, i);
+
+	__bcmgenet_fini_dma(priv);
+}
+
 /* init_edma: Initialize DMA control register */
 static int bcmgenet_init_dma(struct bcmgenet_priv *priv)
 {
@@ -1952,7 +2007,7 @@ static int bcmgenet_init_dma(struct bcmgenet_priv *priv)
 	priv->tx_cbs = kcalloc(priv->num_tx_bds, sizeof(struct enet_cb),
 			       GFP_KERNEL);
 	if (!priv->tx_cbs) {
-		bcmgenet_fini_dma(priv);
+		__bcmgenet_fini_dma(priv);
 		return -ENOMEM;
 	}
 
@@ -1975,9 +2030,6 @@ static int bcmgenet_poll(struct napi_struct *napi, int budget)
 			struct bcmgenet_priv, napi);
 	unsigned int work_done;
 
-	/* tx reclaim */
-	bcmgenet_tx_reclaim(priv->dev, &priv->tx_rings[DESC_INDEX]);
-
 	work_done = bcmgenet_desc_rx(priv, budget);
 
 	/* Advancing our consumer index*/
@@ -2022,28 +2074,34 @@ static void bcmgenet_irq_task(struct work_struct *work)
 static irqreturn_t bcmgenet_isr1(int irq, void *dev_id)
 {
 	struct bcmgenet_priv *priv = dev_id;
+	struct bcmgenet_tx_ring *ring;
 	unsigned int index;
 
 	/* Save irq status for bottom-half processing. */
 	priv->irq1_stat =
 		bcmgenet_intrl2_1_readl(priv, INTRL2_CPU_STAT) &
-		~priv->int1_mask;
+		~bcmgenet_intrl2_1_readl(priv, INTRL2_CPU_MASK_STATUS);
 	/* clear interrupts */
 	bcmgenet_intrl2_1_writel(priv, priv->irq1_stat, INTRL2_CPU_CLEAR);
 
 	netif_dbg(priv, intr, priv->dev,
 		  "%s: IRQ=0x%x\n", __func__, priv->irq1_stat);
+
 	/* Check the MBDONE interrupts.
 	 * packet is done, reclaim descriptors
 	 */
-	if (priv->irq1_stat & 0x0000ffff) {
-		index = 0;
-		for (index = 0; index < 16; index++) {
-			if (priv->irq1_stat & (1 << index))
-				bcmgenet_tx_reclaim(priv->dev,
-						    &priv->tx_rings[index]);
+	for (index = 0; index < priv->hw_params->tx_queues; index++) {
+		if (!(priv->irq1_stat & BIT(index)))
+			continue;
+
+		ring = &priv->tx_rings[index];
+
+		if (likely(napi_schedule_prep(&ring->napi))) {
+			ring->int_disable(priv, ring);
+			__napi_schedule(&ring->napi);
 		}
 	}
+
 	return IRQ_HANDLED;
 }
 
@@ -2075,8 +2133,12 @@ static irqreturn_t bcmgenet_isr0(int irq, void *dev_id)
 	}
 	if (priv->irq0_stat &
 			(UMAC_IRQ_TXDMA_BDONE | UMAC_IRQ_TXDMA_PDONE)) {
-		/* Tx reclaim */
-		bcmgenet_tx_reclaim(priv->dev, &priv->tx_rings[DESC_INDEX]);
+		struct bcmgenet_tx_ring *ring = &priv->tx_rings[DESC_INDEX];
+
+		if (likely(napi_schedule_prep(&ring->napi))) {
+			ring->int_disable(priv, ring);
+			__napi_schedule(&ring->napi);
+		}
 	}
 	if (priv->irq0_stat & (UMAC_IRQ_PHY_DET_R |
 				UMAC_IRQ_PHY_DET_F |
diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.h b/drivers/net/ethernet/broadcom/genet/bcmgenet.h
index b36ddec0cc0a..0d370d168aee 100644
--- a/drivers/net/ethernet/broadcom/genet/bcmgenet.h
+++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.h
@@ -520,6 +520,7 @@ struct bcmgenet_hw_params {
 
 struct bcmgenet_tx_ring {
 	spinlock_t	lock;		/* ring lock */
+	struct napi_struct napi;	/* NAPI per tx queue */
 	unsigned int	index;		/* ring index */
 	unsigned int	queue;		/* queue index */
 	struct enet_cb	*cbs;		/* tx ring buffer control block*/
@@ -534,6 +535,7 @@ struct bcmgenet_tx_ring {
 			   struct bcmgenet_tx_ring *);
 	void (*int_disable)(struct bcmgenet_priv *priv,
 			    struct bcmgenet_tx_ring *);
+	struct bcmgenet_priv *priv;
 };
 
 /* device context */
diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet_wol.c b/drivers/net/ethernet/broadcom/genet/bcmgenet_wol.c
index 149a0d70c108..b97122926d3a 100644
--- a/drivers/net/ethernet/broadcom/genet/bcmgenet_wol.c
+++ b/drivers/net/ethernet/broadcom/genet/bcmgenet_wol.c
@@ -73,15 +73,17 @@ int bcmgenet_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
 	if (wol->wolopts & ~(WAKE_MAGIC | WAKE_MAGICSECURE))
 		return -EINVAL;
 
+	reg = bcmgenet_umac_readl(priv, UMAC_MPD_CTRL);
 	if (wol->wolopts & WAKE_MAGICSECURE) {
 		bcmgenet_umac_writel(priv, get_unaligned_be16(&wol->sopass[0]),
 				     UMAC_MPD_PW_MS);
 		bcmgenet_umac_writel(priv, get_unaligned_be32(&wol->sopass[2]),
 				     UMAC_MPD_PW_LS);
-		reg = bcmgenet_umac_readl(priv, UMAC_MPD_CTRL);
 		reg |= MPD_PW_EN;
-		bcmgenet_umac_writel(priv, reg, UMAC_MPD_CTRL);
+	} else {
+		reg &= ~MPD_PW_EN;
 	}
+	bcmgenet_umac_writel(priv, reg, UMAC_MPD_CTRL);
 
 	/* Flag the device and relevant IRQ as wakeup capable */
 	if (wol->wolopts) {
diff --git a/drivers/net/ethernet/cadence/macb.c b/drivers/net/ethernet/cadence/macb.c
index ad76b8e35a00..81d41539fcba 100644
--- a/drivers/net/ethernet/cadence/macb.c
+++ b/drivers/net/ethernet/cadence/macb.c
@@ -2113,17 +2113,17 @@ static const struct net_device_ops macb_netdev_ops = {
 };
 
 #if defined(CONFIG_OF)
-static struct macb_config pc302gem_config = {
+static const struct macb_config pc302gem_config = {
 	.caps = MACB_CAPS_SG_DISABLED | MACB_CAPS_GIGABIT_MODE_AVAILABLE,
 	.dma_burst_length = 16,
 };
 
-static struct macb_config sama5d3_config = {
+static const struct macb_config sama5d3_config = {
 	.caps = MACB_CAPS_SG_DISABLED | MACB_CAPS_GIGABIT_MODE_AVAILABLE,
 	.dma_burst_length = 16,
 };
 
-static struct macb_config sama5d4_config = {
+static const struct macb_config sama5d4_config = {
 	.caps = 0,
 	.dma_burst_length = 4,
 };
@@ -2154,7 +2154,7 @@ static void macb_configure_caps(struct macb *bp)
 	if (bp->pdev->dev.of_node) {
 		match = of_match_node(macb_dt_ids, bp->pdev->dev.of_node);
 		if (match && match->data) {
-			config = (const struct macb_config *)match->data;
+			config = match->data;
 
 			bp->caps = config->caps;
 			/*
diff --git a/drivers/net/ethernet/cadence/macb.h b/drivers/net/ethernet/cadence/macb.h
index 31dc080f2437..ff85619a9732 100644
--- a/drivers/net/ethernet/cadence/macb.h
+++ b/drivers/net/ethernet/cadence/macb.h
@@ -351,7 +351,7 @@
 
 /* Bitfields in MID */
 #define MACB_IDNUM_OFFSET			16
-#define MACB_IDNUM_SIZE				16
+#define MACB_IDNUM_SIZE				12
 #define MACB_REV_OFFSET				0
 #define MACB_REV_SIZE				16
 
diff --git a/drivers/net/ethernet/chelsio/cxgb4/clip_tbl.c b/drivers/net/ethernet/chelsio/cxgb4/clip_tbl.c
index 9062a8434246..c308429dd9c7 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/clip_tbl.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/clip_tbl.c
@@ -35,10 +35,10 @@ static inline unsigned int ipv6_clip_hash(struct clip_tbl *d, const u32 *key)
 }
 
 static unsigned int clip_addr_hash(struct clip_tbl *ctbl, const u32 *addr,
-				   int addr_len)
+				   u8 v6)
 {
-	return addr_len == 4 ? ipv4_clip_hash(ctbl, addr) :
-				ipv6_clip_hash(ctbl, addr);
+	return v6 ? ipv6_clip_hash(ctbl, addr) :
+			ipv4_clip_hash(ctbl, addr);
 }
 
 static int clip6_get_mbox(const struct net_device *dev,
@@ -78,23 +78,22 @@ int cxgb4_clip_get(const struct net_device *dev, const u32 *lip, u8 v6)
 	struct clip_entry *ce, *cte;
 	u32 *addr = (u32 *)lip;
 	int hash;
-	int addr_len;
-	int ret = 0;
+	int ret = -1;
 
 	if (!ctbl)
 		return 0;
 
-	if (v6)
-		addr_len = 16;
-	else
-		addr_len = 4;
-
-	hash = clip_addr_hash(ctbl, addr, addr_len);
+	hash = clip_addr_hash(ctbl, addr, v6);
 
 	read_lock_bh(&ctbl->lock);
 	list_for_each_entry(cte, &ctbl->hash_list[hash], list) {
-		if (addr_len == cte->addr_len &&
-		    memcmp(lip, cte->addr, cte->addr_len) == 0) {
+		if (cte->addr6.sin6_family == AF_INET6 && v6)
+			ret = memcmp(lip, cte->addr6.sin6_addr.s6_addr,
+				     sizeof(struct in6_addr));
+		else if (cte->addr.sin_family == AF_INET && !v6)
+			ret = memcmp(lip, (char *)(&cte->addr.sin_addr),
+				     sizeof(struct in_addr));
+		if (!ret) {
 			ce = cte;
 			read_unlock_bh(&ctbl->lock);
 			goto found;
@@ -111,15 +110,20 @@ int cxgb4_clip_get(const struct net_device *dev, const u32 *lip, u8 v6)
 		spin_lock_init(&ce->lock);
 		atomic_set(&ce->refcnt, 0);
 		atomic_dec(&ctbl->nfree);
-		ce->addr_len = addr_len;
-		memcpy(ce->addr, lip, addr_len);
 		list_add_tail(&ce->list, &ctbl->hash_list[hash]);
 		if (v6) {
+			ce->addr6.sin6_family = AF_INET6;
+			memcpy(ce->addr6.sin6_addr.s6_addr,
+			       lip, sizeof(struct in6_addr));
 			ret = clip6_get_mbox(dev, (const struct in6_addr *)lip);
 			if (ret) {
 				write_unlock_bh(&ctbl->lock);
 				return ret;
 			}
+		} else {
+			ce->addr.sin_family = AF_INET;
+			memcpy((char *)(&ce->addr.sin_addr), lip,
+			       sizeof(struct in_addr));
 		}
 	} else {
 		write_unlock_bh(&ctbl->lock);
@@ -140,19 +144,19 @@ void cxgb4_clip_release(const struct net_device *dev, const u32 *lip, u8 v6)
 	struct clip_entry *ce, *cte;
 	u32 *addr = (u32 *)lip;
 	int hash;
-	int addr_len;
-
-	if (v6)
-		addr_len = 16;
-	else
-		addr_len = 4;
+	int ret = -1;
 
-	hash = clip_addr_hash(ctbl, addr, addr_len);
+	hash = clip_addr_hash(ctbl, addr, v6);
 
 	read_lock_bh(&ctbl->lock);
 	list_for_each_entry(cte, &ctbl->hash_list[hash], list) {
-		if (addr_len == cte->addr_len &&
-		    memcmp(lip, cte->addr, cte->addr_len) == 0) {
+		if (cte->addr6.sin6_family == AF_INET6 && v6)
+			ret = memcmp(lip, cte->addr6.sin6_addr.s6_addr,
+				     sizeof(struct in6_addr));
+		else if (cte->addr.sin_family == AF_INET && !v6)
+			ret = memcmp(lip, (char *)(&cte->addr.sin_addr),
+				     sizeof(struct in_addr));
+		if (!ret) {
 			ce = cte;
 			read_unlock_bh(&ctbl->lock);
 			goto found;
@@ -249,10 +253,7 @@ int clip_tbl_show(struct seq_file *seq, void *v)
 	for (i = 0 ; i < ctbl->clipt_size;  ++i) {
 		list_for_each_entry(ce, &ctbl->hash_list[i], list) {
 			ip[0] = '\0';
-			if (ce->addr_len == 16)
-				sprintf(ip, "%pI6c", ce->addr);
-			else
-				sprintf(ip, "%pI4c", ce->addr);
+			sprintf(ip, "%pISc", &ce->addr);
 			seq_printf(seq, "%-25s   %u\n", ip,
 				   atomic_read(&ce->refcnt));
 		}
diff --git a/drivers/net/ethernet/chelsio/cxgb4/clip_tbl.h b/drivers/net/ethernet/chelsio/cxgb4/clip_tbl.h
index 2eaba0161cf8..35eb43c6bcbb 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/clip_tbl.h
+++ b/drivers/net/ethernet/chelsio/cxgb4/clip_tbl.h
@@ -14,8 +14,10 @@ struct clip_entry {
 	spinlock_t lock;	/* Hold while modifying clip reference */
 	atomic_t refcnt;
 	struct list_head list;
-	u32 addr[4];
-	int addr_len;
+	union {
+		struct sockaddr_in addr;
+		struct sockaddr_in6 addr6;
+	};
 };
 
 struct clip_tbl {
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h b/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h
index d6cda17efe6e..97842d03675b 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h
@@ -1103,7 +1103,7 @@ int t4_restart_aneg(struct adapter *adap, unsigned int mbox, unsigned int port);
 #define T4_MEMORY_WRITE	0
 #define T4_MEMORY_READ	1
 int t4_memory_rw(struct adapter *adap, int win, int mtype, u32 addr, u32 len,
-		 __be32 *buf, int dir);
+		 void *buf, int dir);
 static inline int t4_memory_write(struct adapter *adap, int mtype, u32 addr,
 				  u32 len, __be32 *buf)
 {
diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
index 4d643b65265e..853c38997c82 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
@@ -449,7 +449,7 @@ int t4_edc_read(struct adapter *adap, int idx, u32 addr, __be32 *data, u64 *ecc)
  *	@mtype: memory type: MEM_EDC0, MEM_EDC1 or MEM_MC
  *	@addr: address within indicated memory type
  *	@len: amount of memory to transfer
- *	@buf: host memory buffer
+ *	@hbuf: host memory buffer
  *	@dir: direction of transfer T4_MEMORY_READ (1) or T4_MEMORY_WRITE (0)
  *
  *	Reads/writes an [almost] arbitrary memory region in the firmware: the
@@ -460,15 +460,17 @@ int t4_edc_read(struct adapter *adap, int idx, u32 addr, __be32 *data, u64 *ecc)
  *	caller's responsibility to perform appropriate byte order conversions.
  */
 int t4_memory_rw(struct adapter *adap, int win, int mtype, u32 addr,
-		 u32 len, __be32 *buf, int dir)
+		 u32 len, void *hbuf, int dir)
 {
 	u32 pos, offset, resid, memoffset;
 	u32 edc_size, mc_size, win_pf, mem_reg, mem_aperture, mem_base;
+	u32 *buf;
 
 	/* Argument sanity checks ...
 	 */
-	if (addr & 0x3)
+	if (addr & 0x3 || (uintptr_t)hbuf & 0x3)
 		return -EINVAL;
+	buf = (u32 *)hbuf;
 
 	/* It's convenient to be able to handle lengths which aren't a
 	 * multiple of 32-bits because we often end up transferring files to
@@ -532,14 +534,45 @@ int t4_memory_rw(struct adapter *adap, int win, int mtype, u32 addr,
 
 	/* Transfer data to/from the adapter as long as there's an integral
 	 * number of 32-bit transfers to complete.
+	 *
+	 * A note on Endianness issues:
+	 *
+	 * The "register" reads and writes below from/to the PCI-E Memory
+	 * Window invoke the standard adapter Big-Endian to PCI-E Link
+	 * Little-Endian "swizzel."  As a result, if we have the following
+	 * data in adapter memory:
+	 *
+	 *     Memory:  ... | b0 | b1 | b2 | b3 | ...
+	 *     Address:      i+0  i+1  i+2  i+3
+	 *
+	 * Then a read of the adapter memory via the PCI-E Memory Window
+	 * will yield:
+	 *
+	 *     x = readl(i)
+	 *         31                  0
+	 *         [ b3 | b2 | b1 | b0 ]
+	 *
+	 * If this value is stored into local memory on a Little-Endian system
+	 * it will show up correctly in local memory as:
+	 *
+	 *     ( ..., b0, b1, b2, b3, ... )
+	 *
+	 * But on a Big-Endian system, the store will show up in memory
+	 * incorrectly swizzled as:
+	 *
+	 *     ( ..., b3, b2, b1, b0, ... )
+	 *
+	 * So we need to account for this in the reads and writes to the
+	 * PCI-E Memory Window below by undoing the register read/write
+	 * swizzels.
 	 */
 	while (len > 0) {
 		if (dir == T4_MEMORY_READ)
-			*buf++ = (__force __be32) t4_read_reg(adap,
-							mem_base + offset);
+			*buf++ = le32_to_cpu((__force __le32)t4_read_reg(adap,
+						mem_base + offset));
 		else
 			t4_write_reg(adap, mem_base + offset,
-				     (__force u32) *buf++);
+				     (__force u32)cpu_to_le32(*buf++));
 		offset += sizeof(__be32);
 		len -= sizeof(__be32);
 
@@ -568,15 +601,16 @@ int t4_memory_rw(struct adapter *adap, int win, int mtype, u32 addr,
 	 */
 	if (resid) {
 		union {
-			__be32 word;
+			u32 word;
 			char byte[4];
 		} last;
 		unsigned char *bp;
 		int i;
 
 		if (dir == T4_MEMORY_READ) {
-			last.word = (__force __be32) t4_read_reg(adap,
-							mem_base + offset);
+			last.word = le32_to_cpu(
+					(__force __le32)t4_read_reg(adap,
+						mem_base + offset));
 			for (bp = (unsigned char *)buf, i = resid; i < 4; i++)
 				bp[i] = last.byte[i];
 		} else {
@@ -584,7 +618,7 @@ int t4_memory_rw(struct adapter *adap, int win, int mtype, u32 addr,
 			for (i = resid; i < 4; i++)
 				last.byte[i] = 0;
 			t4_write_reg(adap, mem_base + offset,
-				     (__force u32) last.word);
+				     (__force u32)cpu_to_le32(last.word));
 		}
 	}
 
diff --git a/drivers/net/ethernet/cisco/enic/enic_main.c b/drivers/net/ethernet/cisco/enic/enic_main.c
index 9cbe038a388e..a5179bfcdc2c 100644
--- a/drivers/net/ethernet/cisco/enic/enic_main.c
+++ b/drivers/net/ethernet/cisco/enic/enic_main.c
@@ -272,8 +272,8 @@ static irqreturn_t enic_isr_legacy(int irq, void *data)
 	}
 
 	if (ENIC_TEST_INTR(pba, notify_intr)) {
-		vnic_intr_return_all_credits(&enic->intr[notify_intr]);
 		enic_notify_check(enic);
+		vnic_intr_return_all_credits(&enic->intr[notify_intr]);
 	}
 
 	if (ENIC_TEST_INTR(pba, err_intr)) {
@@ -346,8 +346,8 @@ static irqreturn_t enic_isr_msix_notify(int irq, void *data)
 	struct enic *enic = data;
 	unsigned int intr = enic_msix_notify_intr(enic);
 
-	vnic_intr_return_all_credits(&enic->intr[intr]);
 	enic_notify_check(enic);
+	vnic_intr_return_all_credits(&enic->intr[intr]);
 
 	return IRQ_HANDLED;
 }
diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c
index 9bb6220663b2..99492b7e3713 100644
--- a/drivers/net/ethernet/freescale/fec_main.c
+++ b/drivers/net/ethernet/freescale/fec_main.c
@@ -1597,7 +1597,7 @@ fec_enet_interrupt(int irq, void *dev_id)
 	writel(int_events, fep->hwp + FEC_IEVENT);
 	fec_enet_collect_events(fep, int_events);
 
-	if (fep->work_tx || fep->work_rx) {
+	if ((fep->work_tx || fep->work_rx) && fep->link) {
 		ret = IRQ_HANDLED;
 
 		if (napi_schedule_prep(&fep->napi)) {
@@ -3383,7 +3383,6 @@ fec_drv_remove(struct platform_device *pdev)
 		regulator_disable(fep->reg_phy);
 	if (fep->ptp_clock)
 		ptp_clock_unregister(fep->ptp_clock);
-	fec_enet_clk_enable(ndev, false);
 	of_node_put(fep->phy_node);
 	free_netdev(ndev);
 
diff --git a/drivers/net/ethernet/freescale/gianfar.c b/drivers/net/ethernet/freescale/gianfar.c
index 43df78882e48..7bf3682cdf47 100644
--- a/drivers/net/ethernet/freescale/gianfar.c
+++ b/drivers/net/ethernet/freescale/gianfar.c
@@ -747,6 +747,18 @@ static int gfar_parse_group(struct device_node *np,
 	return 0;
 }
 
+static int gfar_of_group_count(struct device_node *np)
+{
+	struct device_node *child;
+	int num = 0;
+
+	for_each_available_child_of_node(np, child)
+		if (!of_node_cmp(child->name, "queue-group"))
+			num++;
+
+	return num;
+}
+
 static int gfar_of_init(struct platform_device *ofdev, struct net_device **pdev)
 {
 	const char *model;
@@ -784,7 +796,7 @@ static int gfar_of_init(struct platform_device *ofdev, struct net_device **pdev)
 		num_rx_qs = 1;
 	} else { /* MQ_MG_MODE */
 		/* get the actual number of supported groups */
-		unsigned int num_grps = of_get_available_child_count(np);
+		unsigned int num_grps = gfar_of_group_count(np);
 
 		if (num_grps == 0 || num_grps > MAXGROUPS) {
 			dev_err(&ofdev->dev, "Invalid # of int groups(%d)\n",
@@ -851,7 +863,10 @@ static int gfar_of_init(struct platform_device *ofdev, struct net_device **pdev)
 
 	/* Parse and initialize group specific information */
 	if (priv->mode == MQ_MG_MODE) {
-		for_each_child_of_node(np, child) {
+		for_each_available_child_of_node(np, child) {
+			if (of_node_cmp(child->name, "queue-group"))
+				continue;
+
 			err = gfar_parse_group(child, priv, model);
 			if (err)
 				goto err_grp_init;
@@ -3162,8 +3177,8 @@ static void adjust_link(struct net_device *dev)
 	struct phy_device *phydev = priv->phydev;
 
 	if (unlikely(phydev->link != priv->oldlink ||
-		     phydev->duplex != priv->oldduplex ||
-		     phydev->speed != priv->oldspeed))
+		     (phydev->link && (phydev->duplex != priv->oldduplex ||
+				       phydev->speed != priv->oldspeed))))
 		gfar_update_link_state(priv);
 }
 
diff --git a/drivers/net/ethernet/ibm/ehea/ehea_main.c b/drivers/net/ethernet/ibm/ehea/ehea_main.c
index e8a1adb7a962..c05e50759621 100644
--- a/drivers/net/ethernet/ibm/ehea/ehea_main.c
+++ b/drivers/net/ethernet/ibm/ehea/ehea_main.c
@@ -3262,6 +3262,139 @@ static void ehea_remove_device_sysfs(struct platform_device *dev)
 	device_remove_file(&dev->dev, &dev_attr_remove_port);
 }
 
+static int ehea_reboot_notifier(struct notifier_block *nb,
+				unsigned long action, void *unused)
+{
+	if (action == SYS_RESTART) {
+		pr_info("Reboot: freeing all eHEA resources\n");
+		ibmebus_unregister_driver(&ehea_driver);
+	}
+	return NOTIFY_DONE;
+}
+
+static struct notifier_block ehea_reboot_nb = {
+	.notifier_call = ehea_reboot_notifier,
+};
+
+static int ehea_mem_notifier(struct notifier_block *nb,
+			     unsigned long action, void *data)
+{
+	int ret = NOTIFY_BAD;
+	struct memory_notify *arg = data;
+
+	mutex_lock(&dlpar_mem_lock);
+
+	switch (action) {
+	case MEM_CANCEL_OFFLINE:
+		pr_info("memory offlining canceled");
+		/* Fall through: re-add canceled memory block */
+
+	case MEM_ONLINE:
+		pr_info("memory is going online");
+		set_bit(__EHEA_STOP_XFER, &ehea_driver_flags);
+		if (ehea_add_sect_bmap(arg->start_pfn, arg->nr_pages))
+			goto out_unlock;
+		ehea_rereg_mrs();
+		break;
+
+	case MEM_GOING_OFFLINE:
+		pr_info("memory is going offline");
+		set_bit(__EHEA_STOP_XFER, &ehea_driver_flags);
+		if (ehea_rem_sect_bmap(arg->start_pfn, arg->nr_pages))
+			goto out_unlock;
+		ehea_rereg_mrs();
+		break;
+
+	default:
+		break;
+	}
+
+	ehea_update_firmware_handles();
+	ret = NOTIFY_OK;
+
+out_unlock:
+	mutex_unlock(&dlpar_mem_lock);
+	return ret;
+}
+
+static struct notifier_block ehea_mem_nb = {
+	.notifier_call = ehea_mem_notifier,
+};
+
+static void ehea_crash_handler(void)
+{
+	int i;
+
+	if (ehea_fw_handles.arr)
+		for (i = 0; i < ehea_fw_handles.num_entries; i++)
+			ehea_h_free_resource(ehea_fw_handles.arr[i].adh,
+					     ehea_fw_handles.arr[i].fwh,
+					     FORCE_FREE);
+
+	if (ehea_bcmc_regs.arr)
+		for (i = 0; i < ehea_bcmc_regs.num_entries; i++)
+			ehea_h_reg_dereg_bcmc(ehea_bcmc_regs.arr[i].adh,
+					      ehea_bcmc_regs.arr[i].port_id,
+					      ehea_bcmc_regs.arr[i].reg_type,
+					      ehea_bcmc_regs.arr[i].macaddr,
+					      0, H_DEREG_BCMC);
+}
+
+static atomic_t ehea_memory_hooks_registered;
+
+/* Register memory hooks on probe of first adapter */
+static int ehea_register_memory_hooks(void)
+{
+	int ret = 0;
+
+	if (atomic_inc_and_test(&ehea_memory_hooks_registered))
+		return 0;
+
+	ret = ehea_create_busmap();
+	if (ret) {
+		pr_info("ehea_create_busmap failed\n");
+		goto out;
+	}
+
+	ret = register_reboot_notifier(&ehea_reboot_nb);
+	if (ret) {
+		pr_info("register_reboot_notifier failed\n");
+		goto out;
+	}
+
+	ret = register_memory_notifier(&ehea_mem_nb);
+	if (ret) {
+		pr_info("register_memory_notifier failed\n");
+		goto out2;
+	}
+
+	ret = crash_shutdown_register(ehea_crash_handler);
+	if (ret) {
+		pr_info("crash_shutdown_register failed\n");
+		goto out3;
+	}
+
+	return 0;
+
+out3:
+	unregister_memory_notifier(&ehea_mem_nb);
+out2:
+	unregister_reboot_notifier(&ehea_reboot_nb);
+out:
+	return ret;
+}
+
+static void ehea_unregister_memory_hooks(void)
+{
+	if (atomic_read(&ehea_memory_hooks_registered))
+		return;
+
+	unregister_reboot_notifier(&ehea_reboot_nb);
+	if (crash_shutdown_unregister(ehea_crash_handler))
+		pr_info("failed unregistering crash handler\n");
+	unregister_memory_notifier(&ehea_mem_nb);
+}
+
 static int ehea_probe_adapter(struct platform_device *dev)
 {
 	struct ehea_adapter *adapter;
@@ -3269,6 +3402,10 @@ static int ehea_probe_adapter(struct platform_device *dev)
 	int ret;
 	int i;
 
+	ret = ehea_register_memory_hooks();
+	if (ret)
+		return ret;
+
 	if (!dev || !dev->dev.of_node) {
 		pr_err("Invalid ibmebus device probed\n");
 		return -EINVAL;
@@ -3392,81 +3529,6 @@ static int ehea_remove(struct platform_device *dev)
 	return 0;
 }
 
-static void ehea_crash_handler(void)
-{
-	int i;
-
-	if (ehea_fw_handles.arr)
-		for (i = 0; i < ehea_fw_handles.num_entries; i++)
-			ehea_h_free_resource(ehea_fw_handles.arr[i].adh,
-					     ehea_fw_handles.arr[i].fwh,
-					     FORCE_FREE);
-
-	if (ehea_bcmc_regs.arr)
-		for (i = 0; i < ehea_bcmc_regs.num_entries; i++)
-			ehea_h_reg_dereg_bcmc(ehea_bcmc_regs.arr[i].adh,
-					      ehea_bcmc_regs.arr[i].port_id,
-					      ehea_bcmc_regs.arr[i].reg_type,
-					      ehea_bcmc_regs.arr[i].macaddr,
-					      0, H_DEREG_BCMC);
-}
-
-static int ehea_mem_notifier(struct notifier_block *nb,
-                             unsigned long action, void *data)
-{
-	int ret = NOTIFY_BAD;
-	struct memory_notify *arg = data;
-
-	mutex_lock(&dlpar_mem_lock);
-
-	switch (action) {
-	case MEM_CANCEL_OFFLINE:
-		pr_info("memory offlining canceled");
-		/* Readd canceled memory block */
-	case MEM_ONLINE:
-		pr_info("memory is going online");
-		set_bit(__EHEA_STOP_XFER, &ehea_driver_flags);
-		if (ehea_add_sect_bmap(arg->start_pfn, arg->nr_pages))
-			goto out_unlock;
-		ehea_rereg_mrs();
-		break;
-	case MEM_GOING_OFFLINE:
-		pr_info("memory is going offline");
-		set_bit(__EHEA_STOP_XFER, &ehea_driver_flags);
-		if (ehea_rem_sect_bmap(arg->start_pfn, arg->nr_pages))
-			goto out_unlock;
-		ehea_rereg_mrs();
-		break;
-	default:
-		break;
-	}
-
-	ehea_update_firmware_handles();
-	ret = NOTIFY_OK;
-
-out_unlock:
-	mutex_unlock(&dlpar_mem_lock);
-	return ret;
-}
-
-static struct notifier_block ehea_mem_nb = {
-	.notifier_call = ehea_mem_notifier,
-};
-
-static int ehea_reboot_notifier(struct notifier_block *nb,
-				unsigned long action, void *unused)
-{
-	if (action == SYS_RESTART) {
-		pr_info("Reboot: freeing all eHEA resources\n");
-		ibmebus_unregister_driver(&ehea_driver);
-	}
-	return NOTIFY_DONE;
-}
-
-static struct notifier_block ehea_reboot_nb = {
-	.notifier_call = ehea_reboot_notifier,
-};
-
 static int check_module_parm(void)
 {
 	int ret = 0;
@@ -3520,26 +3582,10 @@ static int __init ehea_module_init(void)
 	if (ret)
 		goto out;
 
-	ret = ehea_create_busmap();
-	if (ret)
-		goto out;
-
-	ret = register_reboot_notifier(&ehea_reboot_nb);
-	if (ret)
-		pr_info("failed registering reboot notifier\n");
-
-	ret = register_memory_notifier(&ehea_mem_nb);
-	if (ret)
-		pr_info("failed registering memory remove notifier\n");
-
-	ret = crash_shutdown_register(ehea_crash_handler);
-	if (ret)
-		pr_info("failed registering crash handler\n");
-
 	ret = ibmebus_register_driver(&ehea_driver);
 	if (ret) {
 		pr_err("failed registering eHEA device driver on ebus\n");
-		goto out2;
+		goto out;
 	}
 
 	ret = driver_create_file(&ehea_driver.driver,
@@ -3547,32 +3593,22 @@ static int __init ehea_module_init(void)
 	if (ret) {
 		pr_err("failed to register capabilities attribute, ret=%d\n",
 		       ret);
-		goto out3;
+		goto out2;
 	}
 
 	return ret;
 
-out3:
-	ibmebus_unregister_driver(&ehea_driver);
 out2:
-	unregister_memory_notifier(&ehea_mem_nb);
-	unregister_reboot_notifier(&ehea_reboot_nb);
-	crash_shutdown_unregister(ehea_crash_handler);
+	ibmebus_unregister_driver(&ehea_driver);
 out:
 	return ret;
 }
 
 static void __exit ehea_module_exit(void)
 {
-	int ret;
-
 	driver_remove_file(&ehea_driver.driver, &driver_attr_capabilities);
 	ibmebus_unregister_driver(&ehea_driver);
-	unregister_reboot_notifier(&ehea_reboot_nb);
-	ret = crash_shutdown_unregister(ehea_crash_handler);
-	if (ret)
-		pr_info("failed unregistering crash handler\n");
-	unregister_memory_notifier(&ehea_mem_nb);
+	ehea_unregister_memory_hooks();
 	kfree(ehea_fw_handles.arr);
 	kfree(ehea_bcmc_regs.arr);
 	ehea_destroy_busmap();
diff --git a/drivers/net/ethernet/ibm/ibmveth.c b/drivers/net/ethernet/ibm/ibmveth.c
index 21978cc019e7..072426a72745 100644
--- a/drivers/net/ethernet/ibm/ibmveth.c
+++ b/drivers/net/ethernet/ibm/ibmveth.c
@@ -1327,6 +1327,28 @@ static unsigned long ibmveth_get_desired_dma(struct vio_dev *vdev)
 	return ret;
 }
 
+static int ibmveth_set_mac_addr(struct net_device *dev, void *p)
+{
+	struct ibmveth_adapter *adapter = netdev_priv(dev);
+	struct sockaddr *addr = p;
+	u64 mac_address;
+	int rc;
+
+	if (!is_valid_ether_addr(addr->sa_data))
+		return -EADDRNOTAVAIL;
+
+	mac_address = ibmveth_encode_mac_addr(addr->sa_data);
+	rc = h_change_logical_lan_mac(adapter->vdev->unit_address, mac_address);
+	if (rc) {
+		netdev_err(adapter->netdev, "h_change_logical_lan_mac failed with rc=%d\n", rc);
+		return rc;
+	}
+
+	ether_addr_copy(dev->dev_addr, addr->sa_data);
+
+	return 0;
+}
+
 static const struct net_device_ops ibmveth_netdev_ops = {
 	.ndo_open		= ibmveth_open,
 	.ndo_stop		= ibmveth_close,
@@ -1337,7 +1359,7 @@ static const struct net_device_ops ibmveth_netdev_ops = {
 	.ndo_fix_features	= ibmveth_fix_features,
 	.ndo_set_features	= ibmveth_set_features,
 	.ndo_validate_addr	= eth_validate_addr,
-	.ndo_set_mac_address	= eth_mac_addr,
+	.ndo_set_mac_address    = ibmveth_set_mac_addr,
 #ifdef CONFIG_NET_POLL_CONTROLLER
 	.ndo_poll_controller	= ibmveth_poll_controller,
 #endif
diff --git a/drivers/net/ethernet/intel/i40e/i40e_common.c b/drivers/net/ethernet/intel/i40e/i40e_common.c
index 11a9ffebf8d8..6aea65dae5ed 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_common.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_common.c
@@ -868,8 +868,9 @@ i40e_status i40e_pf_reset(struct i40e_hw *hw)
 	 * The grst delay value is in 100ms units, and we'll wait a
 	 * couple counts longer to be sure we don't just miss the end.
 	 */
-	grst_del = rd32(hw, I40E_GLGEN_RSTCTL) & I40E_GLGEN_RSTCTL_GRSTDEL_MASK
-			>> I40E_GLGEN_RSTCTL_GRSTDEL_SHIFT;
+	grst_del = (rd32(hw, I40E_GLGEN_RSTCTL) &
+		    I40E_GLGEN_RSTCTL_GRSTDEL_MASK) >>
+		    I40E_GLGEN_RSTCTL_GRSTDEL_SHIFT;
 	for (cnt = 0; cnt < grst_del + 2; cnt++) {
 		reg = rd32(hw, I40E_GLGEN_RSTAT);
 		if (!(reg & I40E_GLGEN_RSTAT_DEVSTATE_MASK))
@@ -2846,7 +2847,7 @@ i40e_status i40e_aq_add_udp_tunnel(struct i40e_hw *hw,
 
 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
 
-	if (!status)
+	if (!status && filter_index)
 		*filter_index = resp->index;
 
 	return status;
diff --git a/drivers/net/ethernet/intel/i40e/i40e_dcb_nl.c b/drivers/net/ethernet/intel/i40e/i40e_dcb_nl.c
index 183dcb63ce98..a11c70ca5a28 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_dcb_nl.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_dcb_nl.c
@@ -40,7 +40,7 @@ static void i40e_get_pfc_delay(struct i40e_hw *hw, u16 *delay)
 	u32 val;
 
 	val = rd32(hw, I40E_PRTDCB_GENC);
-	*delay = (u16)(val & I40E_PRTDCB_GENC_PFCLDA_MASK >>
+	*delay = (u16)((val & I40E_PRTDCB_GENC_PFCLDA_MASK) >>
 		       I40E_PRTDCB_GENC_PFCLDA_SHIFT);
 }
 
diff --git a/drivers/net/ethernet/intel/i40e/i40e_debugfs.c b/drivers/net/ethernet/intel/i40e/i40e_debugfs.c
index 61236f983971..c17ee77100d3 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_debugfs.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_debugfs.c
@@ -989,8 +989,10 @@ static ssize_t i40e_dbg_command_write(struct file *filp,
 	if (!cmd_buf)
 		return count;
 	bytes_not_copied = copy_from_user(cmd_buf, buffer, count);
-	if (bytes_not_copied < 0)
+	if (bytes_not_copied < 0) {
+		kfree(cmd_buf);
 		return bytes_not_copied;
+	}
 	if (bytes_not_copied > 0)
 		count -= bytes_not_copied;
 	cmd_buf[count] = '\0';
diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c
index cbe281be1c9f..dadda3c5d658 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_main.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
@@ -1512,7 +1512,12 @@ static void i40e_vsi_setup_queue_map(struct i40e_vsi *vsi,
 	vsi->tc_config.numtc = numtc;
 	vsi->tc_config.enabled_tc = enabled_tc ? enabled_tc : 1;
 	/* Number of queues per enabled TC */
-	num_tc_qps = vsi->alloc_queue_pairs/numtc;
+	/* In MFP case we can have a much lower count of MSIx
+	 * vectors available and so we need to lower the used
+	 * q count.
+	 */
+	qcount = min_t(int, vsi->alloc_queue_pairs, pf->num_lan_msix);
+	num_tc_qps = qcount / numtc;
 	num_tc_qps = min_t(int, num_tc_qps, I40E_MAX_QUEUES_PER_TC);
 
 	/* Setup queue offset/count for all TCs for given VSI */
@@ -2684,8 +2689,15 @@ static void i40e_vsi_config_dcb_rings(struct i40e_vsi *vsi)
 	u16 qoffset, qcount;
 	int i, n;
 
-	if (!(vsi->back->flags & I40E_FLAG_DCB_ENABLED))
-		return;
+	if (!(vsi->back->flags & I40E_FLAG_DCB_ENABLED)) {
+		/* Reset the TC information */
+		for (i = 0; i < vsi->num_queue_pairs; i++) {
+			rx_ring = vsi->rx_rings[i];
+			tx_ring = vsi->tx_rings[i];
+			rx_ring->dcb_tc = 0;
+			tx_ring->dcb_tc = 0;
+		}
+	}
 
 	for (n = 0; n < I40E_MAX_TRAFFIC_CLASS; n++) {
 		if (!(vsi->tc_config.enabled_tc & (1 << n)))
@@ -3830,6 +3842,12 @@ static void i40e_clear_interrupt_scheme(struct i40e_pf *pf)
 {
 	int i;
 
+	i40e_stop_misc_vector(pf);
+	if (pf->flags & I40E_FLAG_MSIX_ENABLED) {
+		synchronize_irq(pf->msix_entries[0].vector);
+		free_irq(pf->msix_entries[0].vector, pf);
+	}
+
 	i40e_put_lump(pf->irq_pile, 0, I40E_PILE_VALID_BIT-1);
 	for (i = 0; i < pf->num_alloc_vsi; i++)
 		if (pf->vsi[i])
@@ -5254,8 +5272,14 @@ static int i40e_handle_lldp_event(struct i40e_pf *pf,
 
 	/* Wait for the PF's Tx queues to be disabled */
 	ret = i40e_pf_wait_txq_disabled(pf);
-	if (!ret)
+	if (ret) {
+		/* Schedule PF reset to recover */
+		set_bit(__I40E_PF_RESET_REQUESTED, &pf->state);
+		i40e_service_event_schedule(pf);
+	} else {
 		i40e_pf_unquiesce_all_vsi(pf);
+	}
+
 exit:
 	return ret;
 }
@@ -5587,7 +5611,8 @@ static void i40e_check_hang_subtask(struct i40e_pf *pf)
 	int i, v;
 
 	/* If we're down or resetting, just bail */
-	if (test_bit(__I40E_CONFIG_BUSY, &pf->state))
+	if (test_bit(__I40E_DOWN, &pf->state) ||
+	    test_bit(__I40E_CONFIG_BUSY, &pf->state))
 		return;
 
 	/* for each VSI/netdev
@@ -9533,6 +9558,7 @@ static void i40e_remove(struct pci_dev *pdev)
 	set_bit(__I40E_DOWN, &pf->state);
 	del_timer_sync(&pf->service_timer);
 	cancel_work_sync(&pf->service_task);
+	i40e_fdir_teardown(pf);
 
 	if (pf->flags & I40E_FLAG_SRIOV_ENABLED) {
 		i40e_free_vfs(pf);
@@ -9559,12 +9585,6 @@ static void i40e_remove(struct pci_dev *pdev)
 	if (pf->vsi[pf->lan_vsi])
 		i40e_vsi_release(pf->vsi[pf->lan_vsi]);
 
-	i40e_stop_misc_vector(pf);
-	if (pf->flags & I40E_FLAG_MSIX_ENABLED) {
-		synchronize_irq(pf->msix_entries[0].vector);
-		free_irq(pf->msix_entries[0].vector, pf);
-	}
-
 	/* shutdown and destroy the HMC */
 	if (pf->hw.hmc.hmc_obj) {
 		ret_code = i40e_shutdown_lan_hmc(&pf->hw);
@@ -9718,6 +9738,8 @@ static void i40e_shutdown(struct pci_dev *pdev)
 	wr32(hw, I40E_PFPM_APM, (pf->wol_en ? I40E_PFPM_APM_APME_MASK : 0));
 	wr32(hw, I40E_PFPM_WUFC, (pf->wol_en ? I40E_PFPM_WUFC_MAG_MASK : 0));
 
+	i40e_clear_interrupt_scheme(pf);
+
 	if (system_state == SYSTEM_POWER_OFF) {
 		pci_wake_from_d3(pdev, pf->wol_en);
 		pci_set_power_state(pdev, PCI_D3hot);
diff --git a/drivers/net/ethernet/intel/i40e/i40e_nvm.c b/drivers/net/ethernet/intel/i40e/i40e_nvm.c
index 3e70f2e45a47..5defe0d63514 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_nvm.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_nvm.c
@@ -679,9 +679,11 @@ static i40e_status i40e_nvmupd_state_writing(struct i40e_hw *hw,
 {
 	i40e_status status;
 	enum i40e_nvmupd_cmd upd_cmd;
+	bool retry_attempt = false;
 
 	upd_cmd = i40e_nvmupd_validate_command(hw, cmd, errno);
 
+retry:
 	switch (upd_cmd) {
 	case I40E_NVMUPD_WRITE_CON:
 		status = i40e_nvmupd_nvm_write(hw, cmd, bytes, errno);
@@ -725,6 +727,39 @@ static i40e_status i40e_nvmupd_state_writing(struct i40e_hw *hw,
 		*errno = -ESRCH;
 		break;
 	}
+
+	/* In some circumstances, a multi-write transaction takes longer
+	 * than the default 3 minute timeout on the write semaphore.  If
+	 * the write failed with an EBUSY status, this is likely the problem,
+	 * so here we try to reacquire the semaphore then retry the write.
+	 * We only do one retry, then give up.
+	 */
+	if (status && (hw->aq.asq_last_status == I40E_AQ_RC_EBUSY) &&
+	    !retry_attempt) {
+		i40e_status old_status = status;
+		u32 old_asq_status = hw->aq.asq_last_status;
+		u32 gtime;
+
+		gtime = rd32(hw, I40E_GLVFGEN_TIMER);
+		if (gtime >= hw->nvm.hw_semaphore_timeout) {
+			i40e_debug(hw, I40E_DEBUG_ALL,
+				   "NVMUPD: write semaphore expired (%d >= %lld), retrying\n",
+				   gtime, hw->nvm.hw_semaphore_timeout);
+			i40e_release_nvm(hw);
+			status = i40e_acquire_nvm(hw, I40E_RESOURCE_WRITE);
+			if (status) {
+				i40e_debug(hw, I40E_DEBUG_ALL,
+					   "NVMUPD: write semaphore reacquire failed aq_err = %d\n",
+					   hw->aq.asq_last_status);
+				status = old_status;
+				hw->aq.asq_last_status = old_asq_status;
+			} else {
+				retry_attempt = true;
+				goto retry;
+			}
+		}
+	}
+
 	return status;
 }
 
diff --git a/drivers/net/ethernet/intel/i40e/i40e_txrx.c b/drivers/net/ethernet/intel/i40e/i40e_txrx.c
index 2206d2d36f0f..bbf1b1247ac4 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_txrx.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_txrx.c
@@ -586,6 +586,20 @@ void i40e_free_tx_resources(struct i40e_ring *tx_ring)
 }
 
 /**
+ * i40e_get_head - Retrieve head from head writeback
+ * @tx_ring:  tx ring to fetch head of
+ *
+ * Returns value of Tx ring head based on value stored
+ * in head write-back location
+ **/
+static inline u32 i40e_get_head(struct i40e_ring *tx_ring)
+{
+	void *head = (struct i40e_tx_desc *)tx_ring->desc + tx_ring->count;
+
+	return le32_to_cpu(*(volatile __le32 *)head);
+}
+
+/**
  * i40e_get_tx_pending - how many tx descriptors not processed
  * @tx_ring: the ring of descriptors
  *
@@ -594,10 +608,16 @@ void i40e_free_tx_resources(struct i40e_ring *tx_ring)
  **/
 static u32 i40e_get_tx_pending(struct i40e_ring *ring)
 {
-	u32 ntu = ((ring->next_to_clean <= ring->next_to_use)
-			? ring->next_to_use
-			: ring->next_to_use + ring->count);
-	return ntu - ring->next_to_clean;
+	u32 head, tail;
+
+	head = i40e_get_head(ring);
+	tail = readl(ring->tail);
+
+	if (head != tail)
+		return (head < tail) ?
+			tail - head : (tail + ring->count - head);
+
+	return 0;
 }
 
 /**
@@ -606,6 +626,8 @@ static u32 i40e_get_tx_pending(struct i40e_ring *ring)
  **/
 static bool i40e_check_tx_hang(struct i40e_ring *tx_ring)
 {
+	u32 tx_done = tx_ring->stats.packets;
+	u32 tx_done_old = tx_ring->tx_stats.tx_done_old;
 	u32 tx_pending = i40e_get_tx_pending(tx_ring);
 	struct i40e_pf *pf = tx_ring->vsi->back;
 	bool ret = false;
@@ -623,41 +645,25 @@ static bool i40e_check_tx_hang(struct i40e_ring *tx_ring)
 	 * run the check_tx_hang logic with a transmit completion
 	 * pending but without time to complete it yet.
 	 */
-	if ((tx_ring->tx_stats.tx_done_old == tx_ring->stats.packets) &&
-	    (tx_pending >= I40E_MIN_DESC_PENDING)) {
+	if ((tx_done_old == tx_done) && tx_pending) {
 		/* make sure it is true for two checks in a row */
 		ret = test_and_set_bit(__I40E_HANG_CHECK_ARMED,
 				       &tx_ring->state);
-	} else if ((tx_ring->tx_stats.tx_done_old == tx_ring->stats.packets) &&
-		   (tx_pending < I40E_MIN_DESC_PENDING) &&
-		   (tx_pending > 0)) {
+	} else if (tx_done_old == tx_done &&
+		   (tx_pending < I40E_MIN_DESC_PENDING) && (tx_pending > 0)) {
 		if (I40E_DEBUG_FLOW & pf->hw.debug_mask)
 			dev_info(tx_ring->dev, "HW needs some more descs to do a cacheline flush. tx_pending %d, queue %d",
 				 tx_pending, tx_ring->queue_index);
 		pf->tx_sluggish_count++;
 	} else {
 		/* update completed stats and disarm the hang check */
-		tx_ring->tx_stats.tx_done_old = tx_ring->stats.packets;
+		tx_ring->tx_stats.tx_done_old = tx_done;
 		clear_bit(__I40E_HANG_CHECK_ARMED, &tx_ring->state);
 	}
 
 	return ret;
 }
 
-/**
- * i40e_get_head - Retrieve head from head writeback
- * @tx_ring:  tx ring to fetch head of
- *
- * Returns value of Tx ring head based on value stored
- * in head write-back location
- **/
-static inline u32 i40e_get_head(struct i40e_ring *tx_ring)
-{
-	void *head = (struct i40e_tx_desc *)tx_ring->desc + tx_ring->count;
-
-	return le32_to_cpu(*(volatile __le32 *)head);
-}
-
 #define WB_STRIDE 0x3
 
 /**
@@ -2140,6 +2146,67 @@ static int i40e_maybe_stop_tx(struct i40e_ring *tx_ring, int size)
 }
 
 /**
+ * i40e_chk_linearize - Check if there are more than 8 fragments per packet
+ * @skb:      send buffer
+ * @tx_flags: collected send information
+ * @hdr_len:  size of the packet header
+ *
+ * Note: Our HW can't scatter-gather more than 8 fragments to build
+ * a packet on the wire and so we need to figure out the cases where we
+ * need to linearize the skb.
+ **/
+static bool i40e_chk_linearize(struct sk_buff *skb, u32 tx_flags,
+			       const u8 hdr_len)
+{
+	struct skb_frag_struct *frag;
+	bool linearize = false;
+	unsigned int size = 0;
+	u16 num_frags;
+	u16 gso_segs;
+
+	num_frags = skb_shinfo(skb)->nr_frags;
+	gso_segs = skb_shinfo(skb)->gso_segs;
+
+	if (tx_flags & (I40E_TX_FLAGS_TSO | I40E_TX_FLAGS_FSO)) {
+		u16 j = 1;
+
+		if (num_frags < (I40E_MAX_BUFFER_TXD))
+			goto linearize_chk_done;
+		/* try the simple math, if we have too many frags per segment */
+		if (DIV_ROUND_UP((num_frags + gso_segs), gso_segs) >
+		    I40E_MAX_BUFFER_TXD) {
+			linearize = true;
+			goto linearize_chk_done;
+		}
+		frag = &skb_shinfo(skb)->frags[0];
+		size = hdr_len;
+		/* we might still have more fragments per segment */
+		do {
+			size += skb_frag_size(frag);
+			frag++; j++;
+			if (j == I40E_MAX_BUFFER_TXD) {
+				if (size < skb_shinfo(skb)->gso_size) {
+					linearize = true;
+					break;
+				}
+				j = 1;
+				size -= skb_shinfo(skb)->gso_size;
+				if (size)
+					j++;
+				size += hdr_len;
+			}
+			num_frags--;
+		} while (num_frags);
+	} else {
+		if (num_frags >= I40E_MAX_BUFFER_TXD)
+			linearize = true;
+	}
+
+linearize_chk_done:
+	return linearize;
+}
+
+/**
  * i40e_tx_map - Build the Tx descriptor
  * @tx_ring:  ring to send buffer on
  * @skb:      send buffer
@@ -2396,6 +2463,10 @@ static netdev_tx_t i40e_xmit_frame_ring(struct sk_buff *skb,
 	if (tsyn)
 		tx_flags |= I40E_TX_FLAGS_TSYN;
 
+	if (i40e_chk_linearize(skb, tx_flags, hdr_len))
+		if (skb_linearize(skb))
+			goto out_drop;
+
 	skb_tx_timestamp(skb);
 
 	/* always enable CRC insertion offload */
diff --git a/drivers/net/ethernet/intel/i40e/i40e_txrx.h b/drivers/net/ethernet/intel/i40e/i40e_txrx.h
index 18b00231d2f1..dff0baeb1ecc 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_txrx.h
+++ b/drivers/net/ethernet/intel/i40e/i40e_txrx.h
@@ -112,6 +112,7 @@ enum i40e_dyn_idx_t {
 
 #define i40e_rx_desc i40e_32byte_rx_desc
 
+#define I40E_MAX_BUFFER_TXD	8
 #define I40E_MIN_TX_LEN		17
 #define I40E_MAX_DATA_PER_TXD	8192
 
diff --git a/drivers/net/ethernet/intel/i40evf/i40e_txrx.c b/drivers/net/ethernet/intel/i40evf/i40e_txrx.c
index 29004382f462..708891571dae 100644
--- a/drivers/net/ethernet/intel/i40evf/i40e_txrx.c
+++ b/drivers/net/ethernet/intel/i40evf/i40e_txrx.c
@@ -126,6 +126,20 @@ void i40evf_free_tx_resources(struct i40e_ring *tx_ring)
 }
 
 /**
+ * i40e_get_head - Retrieve head from head writeback
+ * @tx_ring:  tx ring to fetch head of
+ *
+ * Returns value of Tx ring head based on value stored
+ * in head write-back location
+ **/
+static inline u32 i40e_get_head(struct i40e_ring *tx_ring)
+{
+	void *head = (struct i40e_tx_desc *)tx_ring->desc + tx_ring->count;
+
+	return le32_to_cpu(*(volatile __le32 *)head);
+}
+
+/**
  * i40e_get_tx_pending - how many tx descriptors not processed
  * @tx_ring: the ring of descriptors
  *
@@ -134,10 +148,16 @@ void i40evf_free_tx_resources(struct i40e_ring *tx_ring)
  **/
 static u32 i40e_get_tx_pending(struct i40e_ring *ring)
 {
-	u32 ntu = ((ring->next_to_clean <= ring->next_to_use)
-			? ring->next_to_use
-			: ring->next_to_use + ring->count);
-	return ntu - ring->next_to_clean;
+	u32 head, tail;
+
+	head = i40e_get_head(ring);
+	tail = readl(ring->tail);
+
+	if (head != tail)
+		return (head < tail) ?
+			tail - head : (tail + ring->count - head);
+
+	return 0;
 }
 
 /**
@@ -146,6 +166,8 @@ static u32 i40e_get_tx_pending(struct i40e_ring *ring)
  **/
 static bool i40e_check_tx_hang(struct i40e_ring *tx_ring)
 {
+	u32 tx_done = tx_ring->stats.packets;
+	u32 tx_done_old = tx_ring->tx_stats.tx_done_old;
 	u32 tx_pending = i40e_get_tx_pending(tx_ring);
 	bool ret = false;
 
@@ -162,36 +184,20 @@ static bool i40e_check_tx_hang(struct i40e_ring *tx_ring)
 	 * run the check_tx_hang logic with a transmit completion
 	 * pending but without time to complete it yet.
 	 */
-	if ((tx_ring->tx_stats.tx_done_old == tx_ring->stats.packets) &&
-	    (tx_pending >= I40E_MIN_DESC_PENDING)) {
+	if ((tx_done_old == tx_done) && tx_pending) {
 		/* make sure it is true for two checks in a row */
 		ret = test_and_set_bit(__I40E_HANG_CHECK_ARMED,
 				       &tx_ring->state);
-	} else if (!(tx_ring->tx_stats.tx_done_old == tx_ring->stats.packets) ||
-		   !(tx_pending < I40E_MIN_DESC_PENDING) ||
-		   !(tx_pending > 0)) {
+	} else if (tx_done_old == tx_done &&
+		   (tx_pending < I40E_MIN_DESC_PENDING) && (tx_pending > 0)) {
 		/* update completed stats and disarm the hang check */
-		tx_ring->tx_stats.tx_done_old = tx_ring->stats.packets;
+		tx_ring->tx_stats.tx_done_old = tx_done;
 		clear_bit(__I40E_HANG_CHECK_ARMED, &tx_ring->state);
 	}
 
 	return ret;
 }
 
-/**
- * i40e_get_head - Retrieve head from head writeback
- * @tx_ring:  tx ring to fetch head of
- *
- * Returns value of Tx ring head based on value stored
- * in head write-back location
- **/
-static inline u32 i40e_get_head(struct i40e_ring *tx_ring)
-{
-	void *head = (struct i40e_tx_desc *)tx_ring->desc + tx_ring->count;
-
-	return le32_to_cpu(*(volatile __le32 *)head);
-}
-
 #define WB_STRIDE 0x3
 
 /**
@@ -1206,17 +1212,16 @@ static int i40e_tso(struct i40e_ring *tx_ring, struct sk_buff *skb,
 	if (err < 0)
 		return err;
 
-	if (protocol == htons(ETH_P_IP)) {
-		iph = skb->encapsulation ? inner_ip_hdr(skb) : ip_hdr(skb);
+	iph = skb->encapsulation ? inner_ip_hdr(skb) : ip_hdr(skb);
+	ipv6h = skb->encapsulation ? inner_ipv6_hdr(skb) : ipv6_hdr(skb);
+
+	if (iph->version == 4) {
 		tcph = skb->encapsulation ? inner_tcp_hdr(skb) : tcp_hdr(skb);
 		iph->tot_len = 0;
 		iph->check = 0;
 		tcph->check = ~csum_tcpudp_magic(iph->saddr, iph->daddr,
 						 0, IPPROTO_TCP, 0);
-	} else if (skb_is_gso_v6(skb)) {
-
-		ipv6h = skb->encapsulation ? inner_ipv6_hdr(skb)
-					   : ipv6_hdr(skb);
+	} else if (ipv6h->version == 6) {
 		tcph = skb->encapsulation ? inner_tcp_hdr(skb) : tcp_hdr(skb);
 		ipv6h->payload_len = 0;
 		tcph->check = ~csum_ipv6_magic(&ipv6h->saddr, &ipv6h->daddr,
@@ -1274,13 +1279,9 @@ static void i40e_tx_enable_csum(struct sk_buff *skb, u32 tx_flags,
 					 I40E_TX_CTX_EXT_IP_IPV4_NO_CSUM;
 			}
 		} else if (tx_flags & I40E_TX_FLAGS_IPV6) {
-			if (tx_flags & I40E_TX_FLAGS_TSO) {
-				*cd_tunneling |= I40E_TX_CTX_EXT_IP_IPV6;
+			*cd_tunneling |= I40E_TX_CTX_EXT_IP_IPV6;
+			if (tx_flags & I40E_TX_FLAGS_TSO)
 				ip_hdr(skb)->check = 0;
-			} else {
-				*cd_tunneling |=
-					 I40E_TX_CTX_EXT_IP_IPV4_NO_CSUM;
-			}
 		}
 
 		/* Now set the ctx descriptor fields */
@@ -1290,6 +1291,11 @@ static void i40e_tx_enable_csum(struct sk_buff *skb, u32 tx_flags,
 				   ((skb_inner_network_offset(skb) -
 					skb_transport_offset(skb)) >> 1) <<
 				   I40E_TXD_CTX_QW0_NATLEN_SHIFT;
+		if (this_ip_hdr->version == 6) {
+			tx_flags &= ~I40E_TX_FLAGS_IPV4;
+			tx_flags |= I40E_TX_FLAGS_IPV6;
+		}
+
 
 	} else {
 		network_hdr_len = skb_network_header_len(skb);
@@ -1380,6 +1386,67 @@ static void i40e_create_tx_ctx(struct i40e_ring *tx_ring,
 	context_desc->type_cmd_tso_mss = cpu_to_le64(cd_type_cmd_tso_mss);
 }
 
+ /**
+ * i40e_chk_linearize - Check if there are more than 8 fragments per packet
+ * @skb:      send buffer
+ * @tx_flags: collected send information
+ * @hdr_len:  size of the packet header
+ *
+ * Note: Our HW can't scatter-gather more than 8 fragments to build
+ * a packet on the wire and so we need to figure out the cases where we
+ * need to linearize the skb.
+ **/
+static bool i40e_chk_linearize(struct sk_buff *skb, u32 tx_flags,
+			       const u8 hdr_len)
+{
+	struct skb_frag_struct *frag;
+	bool linearize = false;
+	unsigned int size = 0;
+	u16 num_frags;
+	u16 gso_segs;
+
+	num_frags = skb_shinfo(skb)->nr_frags;
+	gso_segs = skb_shinfo(skb)->gso_segs;
+
+	if (tx_flags & (I40E_TX_FLAGS_TSO | I40E_TX_FLAGS_FSO)) {
+		u16 j = 1;
+
+		if (num_frags < (I40E_MAX_BUFFER_TXD))
+			goto linearize_chk_done;
+		/* try the simple math, if we have too many frags per segment */
+		if (DIV_ROUND_UP((num_frags + gso_segs), gso_segs) >
+		    I40E_MAX_BUFFER_TXD) {
+			linearize = true;
+			goto linearize_chk_done;
+		}
+		frag = &skb_shinfo(skb)->frags[0];
+		size = hdr_len;
+		/* we might still have more fragments per segment */
+		do {
+			size += skb_frag_size(frag);
+			frag++; j++;
+			if (j == I40E_MAX_BUFFER_TXD) {
+				if (size < skb_shinfo(skb)->gso_size) {
+					linearize = true;
+					break;
+				}
+				j = 1;
+				size -= skb_shinfo(skb)->gso_size;
+				if (size)
+					j++;
+				size += hdr_len;
+			}
+			num_frags--;
+		} while (num_frags);
+	} else {
+		if (num_frags >= I40E_MAX_BUFFER_TXD)
+			linearize = true;
+	}
+
+linearize_chk_done:
+	return linearize;
+}
+
 /**
  * i40e_tx_map - Build the Tx descriptor
  * @tx_ring:  ring to send buffer on
@@ -1654,6 +1721,10 @@ static netdev_tx_t i40e_xmit_frame_ring(struct sk_buff *skb,
 	else if (tso)
 		tx_flags |= I40E_TX_FLAGS_TSO;
 
+	if (i40e_chk_linearize(skb, tx_flags, hdr_len))
+		if (skb_linearize(skb))
+			goto out_drop;
+
 	skb_tx_timestamp(skb);
 
 	/* always enable CRC insertion offload */
diff --git a/drivers/net/ethernet/intel/i40evf/i40e_txrx.h b/drivers/net/ethernet/intel/i40evf/i40e_txrx.h
index 4e15903b2b6d..c950a038237c 100644
--- a/drivers/net/ethernet/intel/i40evf/i40e_txrx.h
+++ b/drivers/net/ethernet/intel/i40evf/i40e_txrx.h
@@ -112,6 +112,7 @@ enum i40e_dyn_idx_t {
 
 #define i40e_rx_desc i40e_32byte_rx_desc
 
+#define I40E_MAX_BUFFER_TXD	8
 #define I40E_MIN_TX_LEN		17
 #define I40E_MAX_DATA_PER_TXD	8192
 
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_selftest.c b/drivers/net/ethernet/mellanox/mlx4/en_selftest.c
index 2d8ee66138e8..a61009f4b2df 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_selftest.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_selftest.c
@@ -81,12 +81,14 @@ static int mlx4_en_test_loopback(struct mlx4_en_priv *priv)
 {
 	u32 loopback_ok = 0;
 	int i;
-
+	bool gro_enabled;
 
         priv->loopback_ok = 0;
 	priv->validate_loopback = 1;
+	gro_enabled = priv->dev->features & NETIF_F_GRO;
 
 	mlx4_en_update_loopback_state(priv->dev, priv->dev->features);
+	priv->dev->features &= ~NETIF_F_GRO;
 
 	/* xmit */
 	if (mlx4_en_test_loopback_xmit(priv)) {
@@ -108,6 +110,10 @@ static int mlx4_en_test_loopback(struct mlx4_en_priv *priv)
 mlx4_en_test_loopback_exit:
 
 	priv->validate_loopback = 0;
+
+	if (gro_enabled)
+		priv->dev->features |= NETIF_F_GRO;
+
 	mlx4_en_update_loopback_state(priv->dev, priv->dev->features);
 	return !loopback_ok;
 }
diff --git a/drivers/net/ethernet/mellanox/mlx4/qp.c b/drivers/net/ethernet/mellanox/mlx4/qp.c
index 2bb8553bd905..eda29dbbfcd2 100644
--- a/drivers/net/ethernet/mellanox/mlx4/qp.c
+++ b/drivers/net/ethernet/mellanox/mlx4/qp.c
@@ -412,7 +412,6 @@ err_icm:
 
 EXPORT_SYMBOL_GPL(mlx4_qp_alloc);
 
-#define MLX4_UPDATE_QP_SUPPORTED_ATTRS MLX4_UPDATE_QP_SMAC
 int mlx4_update_qp(struct mlx4_dev *dev, u32 qpn,
 		   enum mlx4_update_qp_attr attr,
 		   struct mlx4_update_qp_params *params)
diff --git a/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c b/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c
index 486e3d26cd4a..d97ca88c55b5 100644
--- a/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c
+++ b/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c
@@ -713,7 +713,7 @@ static int update_vport_qp_param(struct mlx4_dev *dev,
 	struct mlx4_vport_oper_state *vp_oper;
 	struct mlx4_priv *priv;
 	u32 qp_type;
-	int port;
+	int port, err = 0;
 
 	port = (qpc->pri_path.sched_queue & 0x40) ? 2 : 1;
 	priv = mlx4_priv(dev);
@@ -738,7 +738,9 @@ static int update_vport_qp_param(struct mlx4_dev *dev,
 			} else {
 				struct mlx4_update_qp_params params = {.flags = 0};
 
-				mlx4_update_qp(dev, qpn, MLX4_UPDATE_QP_VSD, &params);
+				err = mlx4_update_qp(dev, qpn, MLX4_UPDATE_QP_VSD, &params);
+				if (err)
+					goto out;
 			}
 		}
 
@@ -773,7 +775,8 @@ static int update_vport_qp_param(struct mlx4_dev *dev,
 		qpc->pri_path.feup |= MLX4_FSM_FORCE_ETH_SRC_MAC;
 		qpc->pri_path.grh_mylmc = (0x80 & qpc->pri_path.grh_mylmc) + vp_oper->mac_idx;
 	}
-	return 0;
+out:
+	return err;
 }
 
 static int mpt_mask(struct mlx4_dev *dev)
diff --git a/drivers/net/ethernet/pasemi/pasemi_mac.c b/drivers/net/ethernet/pasemi/pasemi_mac.c
index 44e8d7d25547..57a6e6cd74fc 100644
--- a/drivers/net/ethernet/pasemi/pasemi_mac.c
+++ b/drivers/net/ethernet/pasemi/pasemi_mac.c
@@ -1239,11 +1239,9 @@ static int pasemi_mac_open(struct net_device *dev)
 	if (mac->phydev)
 		phy_start(mac->phydev);
 
-	init_timer(&mac->tx->clean_timer);
-	mac->tx->clean_timer.function = pasemi_mac_tx_timer;
-	mac->tx->clean_timer.data = (unsigned long)mac->tx;
-	mac->tx->clean_timer.expires = jiffies+HZ;
-	add_timer(&mac->tx->clean_timer);
+	setup_timer(&mac->tx->clean_timer, pasemi_mac_tx_timer,
+		    (unsigned long)mac->tx);
+	mod_timer(&mac->tx->clean_timer, jiffies + HZ);
 
 	return 0;
 
diff --git a/drivers/net/ethernet/qlogic/netxen/netxen_nic.h b/drivers/net/ethernet/qlogic/netxen/netxen_nic.h
index 6e426ae94692..0a5e204a0179 100644
--- a/drivers/net/ethernet/qlogic/netxen/netxen_nic.h
+++ b/drivers/net/ethernet/qlogic/netxen/netxen_nic.h
@@ -354,7 +354,7 @@ struct cmd_desc_type0 {
 
 } __attribute__ ((aligned(64)));
 
-/* Note: sizeof(rcv_desc) should always be a mutliple of 2 */
+/* Note: sizeof(rcv_desc) should always be a multiple of 2 */
 struct rcv_desc {
 	__le16 reference_handle;
 	__le16 reserved;
@@ -499,7 +499,7 @@ struct uni_data_desc{
 #define NETXEN_IMAGE_START	0x43000	/* compressed image */
 #define NETXEN_SECONDARY_START	0x200000	/* backup images */
 #define NETXEN_PXE_START	0x3E0000	/* PXE boot rom */
-#define NETXEN_USER_START	0x3E8000	/* Firmare info */
+#define NETXEN_USER_START	0x3E8000	/* Firmware info */
 #define NETXEN_FIXED_START	0x3F0000	/* backup of crbinit */
 #define NETXEN_USER_START_OLD	NETXEN_PXE_START /* very old flash */
 
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h b/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h
index fa4317611fd6..f221126a5c4e 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h
@@ -314,7 +314,7 @@ struct qlcnic_fdt {
 #define QLCNIC_BRDCFG_START	0x4000		/* board config */
 #define QLCNIC_BOOTLD_START	0x10000		/* bootld */
 #define QLCNIC_IMAGE_START	0x43000		/* compressed image */
-#define QLCNIC_USER_START	0x3E8000	/* Firmare info */
+#define QLCNIC_USER_START	0x3E8000	/* Firmware info */
 
 #define QLCNIC_FW_VERSION_OFFSET	(QLCNIC_USER_START+0x408)
 #define QLCNIC_FW_SIZE_OFFSET		(QLCNIC_USER_START+0x40c)
diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c
index ad0020af2193..c70ab40d8698 100644
--- a/drivers/net/ethernet/realtek/r8169.c
+++ b/drivers/net/ethernet/realtek/r8169.c
@@ -2561,7 +2561,7 @@ static int rtl_check_firmware(struct rtl8169_private *tp, struct rtl_fw *rtl_fw)
 	int rc = -EINVAL;
 
 	if (!rtl_fw_format_ok(tp, rtl_fw)) {
-		netif_err(tp, ifup, dev, "invalid firwmare\n");
+		netif_err(tp, ifup, dev, "invalid firmware\n");
 		goto out;
 	}
 
@@ -5067,8 +5067,6 @@ static void rtl_hw_reset(struct rtl8169_private *tp)
 	RTL_W8(ChipCmd, CmdReset);
 
 	rtl_udelay_loop_wait_low(tp, &rtl_chipcmd_cond, 100, 100);
-
-	netdev_reset_queue(tp->dev);
 }
 
 static void rtl_request_uncached_firmware(struct rtl8169_private *tp)
@@ -7049,7 +7047,6 @@ static netdev_tx_t rtl8169_start_xmit(struct sk_buff *skb,
 	u32 status, len;
 	u32 opts[2];
 	int frags;
-	bool stop_queue;
 
 	if (unlikely(!TX_FRAGS_READY_FOR(tp, skb_shinfo(skb)->nr_frags))) {
 		netif_err(tp, drv, dev, "BUG! Tx Ring full when queue awake!\n");
@@ -7090,8 +7087,6 @@ static netdev_tx_t rtl8169_start_xmit(struct sk_buff *skb,
 
 	txd->opts2 = cpu_to_le32(opts[1]);
 
-	netdev_sent_queue(dev, skb->len);
-
 	skb_tx_timestamp(skb);
 
 	/* Force memory writes to complete before releasing descriptor */
@@ -7106,16 +7101,11 @@ static netdev_tx_t rtl8169_start_xmit(struct sk_buff *skb,
 
 	tp->cur_tx += frags + 1;
 
-	stop_queue = !TX_FRAGS_READY_FOR(tp, MAX_SKB_FRAGS);
+	RTL_W8(TxPoll, NPQ);
 
-	if (!skb->xmit_more || stop_queue ||
-	    netif_xmit_stopped(netdev_get_tx_queue(dev, 0))) {
-		RTL_W8(TxPoll, NPQ);
-
-		mmiowb();
-	}
+	mmiowb();
 
-	if (stop_queue) {
+	if (!TX_FRAGS_READY_FOR(tp, MAX_SKB_FRAGS)) {
 		/* Avoid wrongly optimistic queue wake-up: rtl_tx thread must
 		 * not miss a ring update when it notices a stopped queue.
 		 */
@@ -7198,7 +7188,6 @@ static void rtl8169_pcierr_interrupt(struct net_device *dev)
 static void rtl_tx(struct net_device *dev, struct rtl8169_private *tp)
 {
 	unsigned int dirty_tx, tx_left;
-	unsigned int bytes_compl = 0, pkts_compl = 0;
 
 	dirty_tx = tp->dirty_tx;
 	smp_rmb();
@@ -7222,8 +7211,10 @@ static void rtl_tx(struct net_device *dev, struct rtl8169_private *tp)
 		rtl8169_unmap_tx_skb(&tp->pci_dev->dev, tx_skb,
 				     tp->TxDescArray + entry);
 		if (status & LastFrag) {
-			pkts_compl++;
-			bytes_compl += tx_skb->skb->len;
+			u64_stats_update_begin(&tp->tx_stats.syncp);
+			tp->tx_stats.packets++;
+			tp->tx_stats.bytes += tx_skb->skb->len;
+			u64_stats_update_end(&tp->tx_stats.syncp);
 			dev_kfree_skb_any(tx_skb->skb);
 			tx_skb->skb = NULL;
 		}
@@ -7232,13 +7223,6 @@ static void rtl_tx(struct net_device *dev, struct rtl8169_private *tp)
 	}
 
 	if (tp->dirty_tx != dirty_tx) {
-		netdev_completed_queue(tp->dev, pkts_compl, bytes_compl);
-
-		u64_stats_update_begin(&tp->tx_stats.syncp);
-		tp->tx_stats.packets += pkts_compl;
-		tp->tx_stats.bytes += bytes_compl;
-		u64_stats_update_end(&tp->tx_stats.syncp);
-
 		tp->dirty_tx = dirty_tx;
 		/* Sync with rtl8169_start_xmit:
 		 * - publish dirty_tx ring index (write barrier)
diff --git a/drivers/net/ethernet/renesas/sh_eth.c b/drivers/net/ethernet/renesas/sh_eth.c
index 4da8bd263997..736d5d1624a1 100644
--- a/drivers/net/ethernet/renesas/sh_eth.c
+++ b/drivers/net/ethernet/renesas/sh_eth.c
@@ -508,7 +508,6 @@ static struct sh_eth_cpu_data r8a779x_data = {
 	.tpauser	= 1,
 	.hw_swap	= 1,
 	.rmiimode	= 1,
-	.shift_rd0	= 1,
 };
 
 static void sh_eth_set_rate_sh7724(struct net_device *ndev)
@@ -1392,6 +1391,9 @@ static void sh_eth_dev_exit(struct net_device *ndev)
 	msleep(2); /* max frame time at 10 Mbps < 1250 us */
 	sh_eth_get_stats(ndev);
 	sh_eth_reset(ndev);
+
+	/* Set MAC address again */
+	update_mac_address(ndev);
 }
 
 /* free Tx skb function */
@@ -1407,6 +1409,8 @@ static int sh_eth_txfree(struct net_device *ndev)
 		txdesc = &mdp->tx_ring[entry];
 		if (txdesc->status & cpu_to_edmac(mdp, TD_TACT))
 			break;
+		/* TACT bit must be checked before all the following reads */
+		rmb();
 		/* Free the original skb. */
 		if (mdp->tx_skbuff[entry]) {
 			dma_unmap_single(&ndev->dev, txdesc->addr,
@@ -1444,6 +1448,8 @@ static int sh_eth_rx(struct net_device *ndev, u32 intr_status, int *quota)
 	limit = boguscnt;
 	rxdesc = &mdp->rx_ring[entry];
 	while (!(rxdesc->status & cpu_to_edmac(mdp, RD_RACT))) {
+		/* RACT bit must be checked before all the following reads */
+		rmb();
 		desc_status = edmac_to_cpu(mdp, rxdesc->status);
 		pkt_len = rxdesc->frame_length;
 
@@ -1455,8 +1461,8 @@ static int sh_eth_rx(struct net_device *ndev, u32 intr_status, int *quota)
 
 		/* In case of almost all GETHER/ETHERs, the Receive Frame State
 		 * (RFS) bits in the Receive Descriptor 0 are from bit 9 to
-		 * bit 0. However, in case of the R8A7740, R8A779x, and
-		 * R7S72100 the RFS bits are from bit 25 to bit 16. So, the
+		 * bit 0. However, in case of the R8A7740 and R7S72100
+		 * the RFS bits are from bit 25 to bit 16. So, the
 		 * driver needs right shifting by 16.
 		 */
 		if (mdp->cd->shift_rd0)
@@ -1523,6 +1529,7 @@ static int sh_eth_rx(struct net_device *ndev, u32 intr_status, int *quota)
 			skb_checksum_none_assert(skb);
 			rxdesc->addr = dma_addr;
 		}
+		wmb(); /* RACT bit must be set after all the above writes */
 		if (entry >= mdp->num_rx_ring - 1)
 			rxdesc->status |=
 				cpu_to_edmac(mdp, RD_RACT | RD_RFP | RD_RDEL);
@@ -1535,7 +1542,7 @@ static int sh_eth_rx(struct net_device *ndev, u32 intr_status, int *quota)
 	/* If we don't need to check status, don't. -KDU */
 	if (!(sh_eth_read(ndev, EDRRR) & EDRRR_R)) {
 		/* fix the values for the next receiving if RDE is set */
-		if (intr_status & EESR_RDE) {
+		if (intr_status & EESR_RDE && mdp->reg_offset[RDFAR] != 0) {
 			u32 count = (sh_eth_read(ndev, RDFAR) -
 				     sh_eth_read(ndev, RDLAR)) >> 4;
 
@@ -2174,7 +2181,7 @@ static int sh_eth_start_xmit(struct sk_buff *skb, struct net_device *ndev)
 	}
 	spin_unlock_irqrestore(&mdp->lock, flags);
 
-	if (skb_padto(skb, ETH_ZLEN))
+	if (skb_put_padto(skb, ETH_ZLEN))
 		return NETDEV_TX_OK;
 
 	entry = mdp->cur_tx % mdp->num_tx_ring;
@@ -2192,6 +2199,7 @@ static int sh_eth_start_xmit(struct sk_buff *skb, struct net_device *ndev)
 	}
 	txdesc->buffer_length = skb->len;
 
+	wmb(); /* TACT bit must be set after all the above writes */
 	if (entry >= mdp->num_tx_ring - 1)
 		txdesc->status |= cpu_to_edmac(mdp, TD_TACT | TD_TDLE);
 	else
diff --git a/drivers/net/ethernet/rocker/rocker.c b/drivers/net/ethernet/rocker/rocker.c
index 34389b6aa67c..9fb6948e14c6 100644
--- a/drivers/net/ethernet/rocker/rocker.c
+++ b/drivers/net/ethernet/rocker/rocker.c
@@ -1257,9 +1257,9 @@ static void rocker_port_set_enable(struct rocker_port *rocker_port, bool enable)
 	u64 val = rocker_read64(rocker_port->rocker, PORT_PHYS_ENABLE);
 
 	if (enable)
-		val |= 1 << rocker_port->lport;
+		val |= 1ULL << rocker_port->lport;
 	else
-		val &= ~(1 << rocker_port->lport);
+		val &= ~(1ULL << rocker_port->lport);
 	rocker_write64(rocker_port->rocker, PORT_PHYS_ENABLE, val);
 }
 
@@ -4201,6 +4201,8 @@ static int rocker_probe_ports(struct rocker *rocker)
 
 	alloc_size = sizeof(struct rocker_port *) * rocker->port_count;
 	rocker->ports = kmalloc(alloc_size, GFP_KERNEL);
+	if (!rocker->ports)
+		return -ENOMEM;
 	for (i = 0; i < rocker->port_count; i++) {
 		err = rocker_probe_port(rocker, i);
 		if (err)
diff --git a/drivers/net/ethernet/smsc/smc91c92_cs.c b/drivers/net/ethernet/smsc/smc91c92_cs.c
index 6b33127ab352..3449893aea8d 100644
--- a/drivers/net/ethernet/smsc/smc91c92_cs.c
+++ b/drivers/net/ethernet/smsc/smc91c92_cs.c
@@ -1070,11 +1070,8 @@ static int smc_open(struct net_device *dev)
     smc->packets_waiting = 0;
 
     smc_reset(dev);
-    init_timer(&smc->media);
-    smc->media.function = media_check;
-    smc->media.data = (u_long) dev;
-    smc->media.expires = jiffies + HZ;
-    add_timer(&smc->media);
+    setup_timer(&smc->media, media_check, (u_long)dev);
+    mod_timer(&smc->media, jiffies + HZ);
 
     return 0;
 } /* smc_open */
diff --git a/drivers/net/ethernet/smsc/smc91x.c b/drivers/net/ethernet/smsc/smc91x.c
index 88a55f95fe09..5d093dc0f5f5 100644
--- a/drivers/net/ethernet/smsc/smc91x.c
+++ b/drivers/net/ethernet/smsc/smc91x.c
@@ -91,6 +91,11 @@ static const char version[] =
 
 #include "smc91x.h"
 
+#if defined(CONFIG_ASSABET_NEPONSET)
+#include <mach/assabet.h>
+#include <mach/neponset.h>
+#endif
+
 #ifndef SMC_NOWAIT
 # define SMC_NOWAIT		0
 #endif
@@ -2355,8 +2360,9 @@ static int smc_drv_probe(struct platform_device *pdev)
 	ret = smc_request_attrib(pdev, ndev);
 	if (ret)
 		goto out_release_io;
-#if defined(CONFIG_SA1100_ASSABET)
-	neponset_ncr_set(NCR_ENET_OSC_EN);
+#if defined(CONFIG_ASSABET_NEPONSET)
+	if (machine_is_assabet() && machine_has_neponset())
+		neponset_ncr_set(NCR_ENET_OSC_EN);
 #endif
 	platform_set_drvdata(pdev, ndev);
 	ret = smc_enable_device(pdev);
diff --git a/drivers/net/ethernet/smsc/smc91x.h b/drivers/net/ethernet/smsc/smc91x.h
index be67baf5f677..3a18501d1068 100644
--- a/drivers/net/ethernet/smsc/smc91x.h
+++ b/drivers/net/ethernet/smsc/smc91x.h
@@ -39,14 +39,7 @@
  * Define your architecture specific bus configuration parameters here.
  */
 
-#if defined(CONFIG_ARCH_LUBBOCK) ||\
-    defined(CONFIG_MACH_MAINSTONE) ||\
-    defined(CONFIG_MACH_ZYLONITE) ||\
-    defined(CONFIG_MACH_LITTLETON) ||\
-    defined(CONFIG_MACH_ZYLONITE2) ||\
-    defined(CONFIG_ARCH_VIPER) ||\
-    defined(CONFIG_MACH_STARGATE2) ||\
-    defined(CONFIG_ARCH_VERSATILE)
+#if defined(CONFIG_ARM)
 
 #include <asm/mach-types.h>
 
@@ -74,95 +67,8 @@
 /* We actually can't write halfwords properly if not word aligned */
 static inline void SMC_outw(u16 val, void __iomem *ioaddr, int reg)
 {
-	if ((machine_is_mainstone() || machine_is_stargate2()) && reg & 2) {
-		unsigned int v = val << 16;
-		v |= readl(ioaddr + (reg & ~2)) & 0xffff;
-		writel(v, ioaddr + (reg & ~2));
-	} else {
-		writew(val, ioaddr + reg);
-	}
-}
-
-#elif defined(CONFIG_SA1100_PLEB)
-/* We can only do 16-bit reads and writes in the static memory space. */
-#define SMC_CAN_USE_8BIT	1
-#define SMC_CAN_USE_16BIT	1
-#define SMC_CAN_USE_32BIT	0
-#define SMC_IO_SHIFT		0
-#define SMC_NOWAIT		1
-
-#define SMC_inb(a, r)		readb((a) + (r))
-#define SMC_insb(a, r, p, l)	readsb((a) + (r), p, (l))
-#define SMC_inw(a, r)		readw((a) + (r))
-#define SMC_insw(a, r, p, l)	readsw((a) + (r), p, l)
-#define SMC_outb(v, a, r)	writeb(v, (a) + (r))
-#define SMC_outsb(a, r, p, l)	writesb((a) + (r), p, (l))
-#define SMC_outw(v, a, r)	writew(v, (a) + (r))
-#define SMC_outsw(a, r, p, l)	writesw((a) + (r), p, l)
-
-#define SMC_IRQ_FLAGS		(-1)
-
-#elif defined(CONFIG_SA1100_ASSABET)
-
-#include <mach/neponset.h>
-
-/* We can only do 8-bit reads and writes in the static memory space. */
-#define SMC_CAN_USE_8BIT	1
-#define SMC_CAN_USE_16BIT	0
-#define SMC_CAN_USE_32BIT	0
-#define SMC_NOWAIT		1
-
-/* The first two address lines aren't connected... */
-#define SMC_IO_SHIFT		2
-
-#define SMC_inb(a, r)		readb((a) + (r))
-#define SMC_outb(v, a, r)	writeb(v, (a) + (r))
-#define SMC_insb(a, r, p, l)	readsb((a) + (r), p, (l))
-#define SMC_outsb(a, r, p, l)	writesb((a) + (r), p, (l))
-#define SMC_IRQ_FLAGS		(-1)	/* from resource */
-
-#elif	defined(CONFIG_MACH_LOGICPD_PXA270) ||	\
-	defined(CONFIG_MACH_NOMADIK_8815NHK)
-
-#define SMC_CAN_USE_8BIT	0
-#define SMC_CAN_USE_16BIT	1
-#define SMC_CAN_USE_32BIT	0
-#define SMC_IO_SHIFT		0
-#define SMC_NOWAIT		1
-
-#define SMC_inw(a, r)		readw((a) + (r))
-#define SMC_outw(v, a, r)	writew(v, (a) + (r))
-#define SMC_insw(a, r, p, l)	readsw((a) + (r), p, l)
-#define SMC_outsw(a, r, p, l)	writesw((a) + (r), p, l)
-
-#elif	defined(CONFIG_ARCH_INNOKOM) || \
-	defined(CONFIG_ARCH_PXA_IDP) || \
-	defined(CONFIG_ARCH_RAMSES) || \
-	defined(CONFIG_ARCH_PCM027)
-
-#define SMC_CAN_USE_8BIT	1
-#define SMC_CAN_USE_16BIT	1
-#define SMC_CAN_USE_32BIT	1
-#define SMC_IO_SHIFT		0
-#define SMC_NOWAIT		1
-#define SMC_USE_PXA_DMA		1
-
-#define SMC_inb(a, r)		readb((a) + (r))
-#define SMC_inw(a, r)		readw((a) + (r))
-#define SMC_inl(a, r)		readl((a) + (r))
-#define SMC_outb(v, a, r)	writeb(v, (a) + (r))
-#define SMC_outl(v, a, r)	writel(v, (a) + (r))
-#define SMC_insl(a, r, p, l)	readsl((a) + (r), p, l)
-#define SMC_outsl(a, r, p, l)	writesl((a) + (r), p, l)
-#define SMC_insw(a, r, p, l)	readsw((a) + (r), p, l)
-#define SMC_outsw(a, r, p, l)	writesw((a) + (r), p, l)
-#define SMC_IRQ_FLAGS		(-1)	/* from resource */
-
-/* We actually can't write halfwords properly if not word aligned */
-static inline void
-SMC_outw(u16 val, void __iomem *ioaddr, int reg)
-{
-	if (reg & 2) {
+	if ((machine_is_mainstone() || machine_is_stargate2() ||
+	     machine_is_pxa_idp()) && reg & 2) {
 		unsigned int v = val << 16;
 		v |= readl(ioaddr + (reg & ~2)) & 0xffff;
 		writel(v, ioaddr + (reg & ~2));
@@ -237,20 +143,6 @@ SMC_outw(u16 val, void __iomem *ioaddr, int reg)
 #define RPC_LSA_DEFAULT         RPC_LED_100_10
 #define RPC_LSB_DEFAULT         RPC_LED_TX_RX
 
-#elif defined(CONFIG_ARCH_MSM)
-
-#define SMC_CAN_USE_8BIT	0
-#define SMC_CAN_USE_16BIT	1
-#define SMC_CAN_USE_32BIT	0
-#define SMC_NOWAIT		1
-
-#define SMC_inw(a, r)		readw((a) + (r))
-#define SMC_outw(v, a, r)	writew(v, (a) + (r))
-#define SMC_insw(a, r, p, l)	readsw((a) + (r), p, l)
-#define SMC_outsw(a, r, p, l)	writesw((a) + (r), p, l)
-
-#define SMC_IRQ_FLAGS		IRQF_TRIGGER_HIGH
-
 #elif defined(CONFIG_COLDFIRE)
 
 #define SMC_CAN_USE_8BIT	0
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index 55e89b3838f1..a0ea84fe6519 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -310,11 +310,11 @@ bool stmmac_eee_init(struct stmmac_priv *priv)
 		spin_lock_irqsave(&priv->lock, flags);
 		if (!priv->eee_active) {
 			priv->eee_active = 1;
-			init_timer(&priv->eee_ctrl_timer);
-			priv->eee_ctrl_timer.function = stmmac_eee_ctrl_timer;
-			priv->eee_ctrl_timer.data = (unsigned long)priv;
-			priv->eee_ctrl_timer.expires = STMMAC_LPI_T(eee_timer);
-			add_timer(&priv->eee_ctrl_timer);
+			setup_timer(&priv->eee_ctrl_timer,
+				    stmmac_eee_ctrl_timer,
+				    (unsigned long)priv);
+			mod_timer(&priv->eee_ctrl_timer,
+				  STMMAC_LPI_T(eee_timer));
 
 			priv->hw->mac->set_eee_timer(priv->hw,
 						     STMMAC_DEFAULT_LIT_LS,
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
index fb846ebba1d9..f9b42f11950f 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
@@ -272,6 +272,37 @@ static int stmmac_pltfr_probe(struct platform_device *pdev)
 	struct stmmac_priv *priv = NULL;
 	struct plat_stmmacenet_data *plat_dat = NULL;
 	const char *mac = NULL;
+	int irq, wol_irq, lpi_irq;
+
+	/* Get IRQ information early to have an ability to ask for deferred
+	 * probe if needed before we went too far with resource allocation.
+	 */
+	irq = platform_get_irq_byname(pdev, "macirq");
+	if (irq < 0) {
+		if (irq != -EPROBE_DEFER) {
+			dev_err(dev,
+				"MAC IRQ configuration information not found\n");
+		}
+		return irq;
+	}
+
+	/* On some platforms e.g. SPEAr the wake up irq differs from the mac irq
+	 * The external wake up irq can be passed through the platform code
+	 * named as "eth_wake_irq"
+	 *
+	 * In case the wake up interrupt is not passed from the platform
+	 * so the driver will continue to use the mac irq (ndev->irq)
+	 */
+	wol_irq = platform_get_irq_byname(pdev, "eth_wake_irq");
+	if (wol_irq < 0) {
+		if (wol_irq == -EPROBE_DEFER)
+			return -EPROBE_DEFER;
+		wol_irq = irq;
+	}
+
+	lpi_irq = platform_get_irq_byname(pdev, "eth_lpi");
+	if (lpi_irq == -EPROBE_DEFER)
+		return -EPROBE_DEFER;
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	addr = devm_ioremap_resource(dev, res);
@@ -323,39 +354,15 @@ static int stmmac_pltfr_probe(struct platform_device *pdev)
 		return PTR_ERR(priv);
 	}
 
+	/* Copy IRQ values to priv structure which is now avaialble */
+	priv->dev->irq = irq;
+	priv->wol_irq = wol_irq;
+	priv->lpi_irq = lpi_irq;
+
 	/* Get MAC address if available (DT) */
 	if (mac)
 		memcpy(priv->dev->dev_addr, mac, ETH_ALEN);
 
-	/* Get the MAC information */
-	priv->dev->irq = platform_get_irq_byname(pdev, "macirq");
-	if (priv->dev->irq < 0) {
-		if (priv->dev->irq != -EPROBE_DEFER) {
-			netdev_err(priv->dev,
-				   "MAC IRQ configuration information not found\n");
-		}
-		return priv->dev->irq;
-	}
-
-	/*
-	 * On some platforms e.g. SPEAr the wake up irq differs from the mac irq
-	 * The external wake up irq can be passed through the platform code
-	 * named as "eth_wake_irq"
-	 *
-	 * In case the wake up interrupt is not passed from the platform
-	 * so the driver will continue to use the mac irq (ndev->irq)
-	 */
-	priv->wol_irq = platform_get_irq_byname(pdev, "eth_wake_irq");
-	if (priv->wol_irq < 0) {
-		if (priv->wol_irq == -EPROBE_DEFER)
-			return -EPROBE_DEFER;
-		priv->wol_irq = priv->dev->irq;
-	}
-
-	priv->lpi_irq = platform_get_irq_byname(pdev, "eth_lpi");
-	if (priv->lpi_irq == -EPROBE_DEFER)
-		return -EPROBE_DEFER;
-
 	platform_set_drvdata(pdev, priv->dev);
 
 	pr_debug("STMMAC platform driver registration completed");
diff --git a/drivers/net/ethernet/sun/niu.c b/drivers/net/ethernet/sun/niu.c
index 4b51f903fb73..0c5842aeb807 100644
--- a/drivers/net/ethernet/sun/niu.c
+++ b/drivers/net/ethernet/sun/niu.c
@@ -6989,10 +6989,10 @@ static int niu_class_to_ethflow(u64 class, int *flow_type)
 		*flow_type = IP_USER_FLOW;
 		break;
 	default:
-		return 0;
+		return -EINVAL;
 	}
 
-	return 1;
+	return 0;
 }
 
 static int niu_ethflow_to_class(int flow_type, u64 *class)
@@ -7198,11 +7198,9 @@ static int niu_get_ethtool_tcam_entry(struct niu *np,
 	class = (tp->key[0] & TCAM_V4KEY0_CLASS_CODE) >>
 		TCAM_V4KEY0_CLASS_CODE_SHIFT;
 	ret = niu_class_to_ethflow(class, &fsp->flow_type);
-
 	if (ret < 0) {
 		netdev_info(np->dev, "niu%d: niu_class_to_ethflow failed\n",
 			    parent->index);
-		ret = -EINVAL;
 		goto out;
 	}
 
diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c
index 7d8dd0d2182e..a1bbaf6352ba 100644
--- a/drivers/net/ethernet/ti/cpsw.c
+++ b/drivers/net/ethernet/ti/cpsw.c
@@ -1103,7 +1103,7 @@ static inline void cpsw_add_dual_emac_def_ale_entries(
 	cpsw_ale_add_mcast(priv->ale, priv->ndev->broadcast,
 			   port_mask, ALE_VLAN, slave->port_vlan, 0);
 	cpsw_ale_add_ucast(priv->ale, priv->mac_addr,
-		priv->host_port, ALE_VLAN, slave->port_vlan);
+		priv->host_port, ALE_VLAN | ALE_SECURE, slave->port_vlan);
 }
 
 static void soft_reset_slave(struct cpsw_slave *slave)
@@ -2466,6 +2466,7 @@ static int cpsw_remove(struct platform_device *pdev)
 	return 0;
 }
 
+#ifdef CONFIG_PM_SLEEP
 static int cpsw_suspend(struct device *dev)
 {
 	struct platform_device	*pdev = to_platform_device(dev);
@@ -2518,11 +2519,9 @@ static int cpsw_resume(struct device *dev)
 	}
 	return 0;
 }
+#endif
 
-static const struct dev_pm_ops cpsw_pm_ops = {
-	.suspend	= cpsw_suspend,
-	.resume		= cpsw_resume,
-};
+static SIMPLE_DEV_PM_OPS(cpsw_pm_ops, cpsw_suspend, cpsw_resume);
 
 static const struct of_device_id cpsw_of_mtable[] = {
 	{ .compatible = "ti,cpsw", },
diff --git a/drivers/net/ethernet/ti/davinci_mdio.c b/drivers/net/ethernet/ti/davinci_mdio.c
index 98655b44b97e..c00084d689f3 100644
--- a/drivers/net/ethernet/ti/davinci_mdio.c
+++ b/drivers/net/ethernet/ti/davinci_mdio.c
@@ -423,6 +423,7 @@ static int davinci_mdio_remove(struct platform_device *pdev)
 	return 0;
 }
 
+#ifdef CONFIG_PM_SLEEP
 static int davinci_mdio_suspend(struct device *dev)
 {
 	struct davinci_mdio_data *data = dev_get_drvdata(dev);
@@ -464,10 +465,10 @@ static int davinci_mdio_resume(struct device *dev)
 
 	return 0;
 }
+#endif
 
 static const struct dev_pm_ops davinci_mdio_pm_ops = {
-	.suspend_late	= davinci_mdio_suspend,
-	.resume_early	= davinci_mdio_resume,
+	SET_LATE_SYSTEM_SLEEP_PM_OPS(davinci_mdio_suspend, davinci_mdio_resume)
 };
 
 #if IS_ENABLED(CONFIG_OF)
diff --git a/drivers/net/ethernet/xscale/ixp4xx_eth.c b/drivers/net/ethernet/xscale/ixp4xx_eth.c
index f7e0f0f7c2e2..9e16a2819d48 100644
--- a/drivers/net/ethernet/xscale/ixp4xx_eth.c
+++ b/drivers/net/ethernet/xscale/ixp4xx_eth.c
@@ -938,7 +938,7 @@ static void eth_set_mcast_list(struct net_device *dev)
 	int i;
 	static const u8 allmulti[] = { 0x01, 0x00, 0x00, 0x00, 0x00, 0x00 };
 
-	if (dev->flags & IFF_ALLMULTI) {
+	if ((dev->flags & IFF_ALLMULTI) && !(dev->flags & IFF_PROMISC)) {
 		for (i = 0; i < ETH_ALEN; i++) {
 			__raw_writel(allmulti[i], &port->regs->mcast_addr[i]);
 			__raw_writel(allmulti[i], &port->regs->mcast_mask[i]);
diff --git a/drivers/net/macvtap.c b/drivers/net/macvtap.c
index e40fdfccc9c1..27ecc5c4fa26 100644
--- a/drivers/net/macvtap.c
+++ b/drivers/net/macvtap.c
@@ -654,11 +654,14 @@ static void macvtap_skb_to_vnet_hdr(struct macvtap_queue *q,
 	} /* else everything is zero */
 }
 
+/* Neighbour code has some assumptions on HH_DATA_MOD alignment */
+#define MACVTAP_RESERVE HH_DATA_OFF(ETH_HLEN)
+
 /* Get packet from user space buffer */
 static ssize_t macvtap_get_user(struct macvtap_queue *q, struct msghdr *m,
 				struct iov_iter *from, int noblock)
 {
-	int good_linear = SKB_MAX_HEAD(NET_IP_ALIGN);
+	int good_linear = SKB_MAX_HEAD(MACVTAP_RESERVE);
 	struct sk_buff *skb;
 	struct macvlan_dev *vlan;
 	unsigned long total_len = iov_iter_count(from);
@@ -722,7 +725,7 @@ static ssize_t macvtap_get_user(struct macvtap_queue *q, struct msghdr *m,
 			linear = macvtap16_to_cpu(q, vnet_hdr.hdr_len);
 	}
 
-	skb = macvtap_alloc_skb(&q->sk, NET_IP_ALIGN, copylen,
+	skb = macvtap_alloc_skb(&q->sk, MACVTAP_RESERVE, copylen,
 				linear, noblock, &err);
 	if (!skb)
 		goto err;
diff --git a/drivers/net/phy/amd-xgbe-phy.c b/drivers/net/phy/amd-xgbe-phy.c
index 9e3af54c9010..32efbd48f326 100644
--- a/drivers/net/phy/amd-xgbe-phy.c
+++ b/drivers/net/phy/amd-xgbe-phy.c
@@ -92,6 +92,8 @@ MODULE_DESCRIPTION("AMD 10GbE (amd-xgbe) PHY driver");
 #define XGBE_PHY_CDR_RATE_PROPERTY	"amd,serdes-cdr-rate"
 #define XGBE_PHY_PQ_SKEW_PROPERTY	"amd,serdes-pq-skew"
 #define XGBE_PHY_TX_AMP_PROPERTY	"amd,serdes-tx-amp"
+#define XGBE_PHY_DFE_CFG_PROPERTY	"amd,serdes-dfe-tap-config"
+#define XGBE_PHY_DFE_ENA_PROPERTY	"amd,serdes-dfe-tap-enable"
 
 #define XGBE_PHY_SPEEDS			3
 #define XGBE_PHY_SPEED_1000		0
@@ -177,10 +179,12 @@ MODULE_DESCRIPTION("AMD 10GbE (amd-xgbe) PHY driver");
 #define SPEED_10000_BLWC		0
 #define SPEED_10000_CDR			0x7
 #define SPEED_10000_PLL			0x1
-#define SPEED_10000_PQ			0x1e
+#define SPEED_10000_PQ			0x12
 #define SPEED_10000_RATE		0x0
 #define SPEED_10000_TXAMP		0xa
 #define SPEED_10000_WORD		0x7
+#define SPEED_10000_DFE_TAP_CONFIG	0x1
+#define SPEED_10000_DFE_TAP_ENABLE	0x7f
 
 #define SPEED_2500_BLWC			1
 #define SPEED_2500_CDR			0x2
@@ -189,6 +193,8 @@ MODULE_DESCRIPTION("AMD 10GbE (amd-xgbe) PHY driver");
 #define SPEED_2500_RATE			0x1
 #define SPEED_2500_TXAMP		0xf
 #define SPEED_2500_WORD			0x1
+#define SPEED_2500_DFE_TAP_CONFIG	0x3
+#define SPEED_2500_DFE_TAP_ENABLE	0x0
 
 #define SPEED_1000_BLWC			1
 #define SPEED_1000_CDR			0x2
@@ -197,16 +203,25 @@ MODULE_DESCRIPTION("AMD 10GbE (amd-xgbe) PHY driver");
 #define SPEED_1000_RATE			0x3
 #define SPEED_1000_TXAMP		0xf
 #define SPEED_1000_WORD			0x1
+#define SPEED_1000_DFE_TAP_CONFIG	0x3
+#define SPEED_1000_DFE_TAP_ENABLE	0x0
 
 /* SerDes RxTx register offsets */
+#define RXTX_REG6			0x0018
 #define RXTX_REG20			0x0050
+#define RXTX_REG22			0x0058
 #define RXTX_REG114			0x01c8
+#define RXTX_REG129			0x0204
 
 /* SerDes RxTx register entry bit positions and sizes */
+#define RXTX_REG6_RESETB_RXD_INDEX	8
+#define RXTX_REG6_RESETB_RXD_WIDTH	1
 #define RXTX_REG20_BLWC_ENA_INDEX	2
 #define RXTX_REG20_BLWC_ENA_WIDTH	1
 #define RXTX_REG114_PQ_REG_INDEX	9
 #define RXTX_REG114_PQ_REG_WIDTH	7
+#define RXTX_REG129_RXDFE_CONFIG_INDEX	14
+#define RXTX_REG129_RXDFE_CONFIG_WIDTH	2
 
 /* Bit setting and getting macros
  *  The get macro will extract the current bit field value from within
@@ -333,6 +348,18 @@ static const u32 amd_xgbe_phy_serdes_tx_amp[] = {
 	SPEED_10000_TXAMP,
 };
 
+static const u32 amd_xgbe_phy_serdes_dfe_tap_cfg[] = {
+	SPEED_1000_DFE_TAP_CONFIG,
+	SPEED_2500_DFE_TAP_CONFIG,
+	SPEED_10000_DFE_TAP_CONFIG,
+};
+
+static const u32 amd_xgbe_phy_serdes_dfe_tap_ena[] = {
+	SPEED_1000_DFE_TAP_ENABLE,
+	SPEED_2500_DFE_TAP_ENABLE,
+	SPEED_10000_DFE_TAP_ENABLE,
+};
+
 enum amd_xgbe_phy_an {
 	AMD_XGBE_AN_READY = 0,
 	AMD_XGBE_AN_PAGE_RECEIVED,
@@ -393,6 +420,8 @@ struct amd_xgbe_phy_priv {
 	u32 serdes_cdr_rate[XGBE_PHY_SPEEDS];
 	u32 serdes_pq_skew[XGBE_PHY_SPEEDS];
 	u32 serdes_tx_amp[XGBE_PHY_SPEEDS];
+	u32 serdes_dfe_tap_cfg[XGBE_PHY_SPEEDS];
+	u32 serdes_dfe_tap_ena[XGBE_PHY_SPEEDS];
 
 	/* Auto-negotiation state machine support */
 	struct mutex an_mutex;
@@ -481,11 +510,16 @@ static void amd_xgbe_phy_serdes_complete_ratechange(struct phy_device *phydev)
 		status = XSIR0_IOREAD(priv, SIR0_STATUS);
 		if (XSIR_GET_BITS(status, SIR0_STATUS, RX_READY) &&
 		    XSIR_GET_BITS(status, SIR0_STATUS, TX_READY))
-			return;
+			goto rx_reset;
 	}
 
 	netdev_dbg(phydev->attached_dev, "SerDes rx/tx not ready (%#hx)\n",
 		   status);
+
+rx_reset:
+	/* Perform Rx reset for the DFE changes */
+	XRXTX_IOWRITE_BITS(priv, RXTX_REG6, RESETB_RXD, 0);
+	XRXTX_IOWRITE_BITS(priv, RXTX_REG6, RESETB_RXD, 1);
 }
 
 static int amd_xgbe_phy_xgmii_mode(struct phy_device *phydev)
@@ -534,6 +568,10 @@ static int amd_xgbe_phy_xgmii_mode(struct phy_device *phydev)
 			   priv->serdes_blwc[XGBE_PHY_SPEED_10000]);
 	XRXTX_IOWRITE_BITS(priv, RXTX_REG114, PQ_REG,
 			   priv->serdes_pq_skew[XGBE_PHY_SPEED_10000]);
+	XRXTX_IOWRITE_BITS(priv, RXTX_REG129, RXDFE_CONFIG,
+			   priv->serdes_dfe_tap_cfg[XGBE_PHY_SPEED_10000]);
+	XRXTX_IOWRITE(priv, RXTX_REG22,
+		      priv->serdes_dfe_tap_ena[XGBE_PHY_SPEED_10000]);
 
 	amd_xgbe_phy_serdes_complete_ratechange(phydev);
 
@@ -586,6 +624,10 @@ static int amd_xgbe_phy_gmii_2500_mode(struct phy_device *phydev)
 			   priv->serdes_blwc[XGBE_PHY_SPEED_2500]);
 	XRXTX_IOWRITE_BITS(priv, RXTX_REG114, PQ_REG,
 			   priv->serdes_pq_skew[XGBE_PHY_SPEED_2500]);
+	XRXTX_IOWRITE_BITS(priv, RXTX_REG129, RXDFE_CONFIG,
+			   priv->serdes_dfe_tap_cfg[XGBE_PHY_SPEED_2500]);
+	XRXTX_IOWRITE(priv, RXTX_REG22,
+		      priv->serdes_dfe_tap_ena[XGBE_PHY_SPEED_2500]);
 
 	amd_xgbe_phy_serdes_complete_ratechange(phydev);
 
@@ -638,6 +680,10 @@ static int amd_xgbe_phy_gmii_mode(struct phy_device *phydev)
 			   priv->serdes_blwc[XGBE_PHY_SPEED_1000]);
 	XRXTX_IOWRITE_BITS(priv, RXTX_REG114, PQ_REG,
 			   priv->serdes_pq_skew[XGBE_PHY_SPEED_1000]);
+	XRXTX_IOWRITE_BITS(priv, RXTX_REG129, RXDFE_CONFIG,
+			   priv->serdes_dfe_tap_cfg[XGBE_PHY_SPEED_1000]);
+	XRXTX_IOWRITE(priv, RXTX_REG22,
+		      priv->serdes_dfe_tap_ena[XGBE_PHY_SPEED_1000]);
 
 	amd_xgbe_phy_serdes_complete_ratechange(phydev);
 
@@ -1668,6 +1714,38 @@ static int amd_xgbe_phy_probe(struct phy_device *phydev)
 		       sizeof(priv->serdes_tx_amp));
 	}
 
+	if (device_property_present(phy_dev, XGBE_PHY_DFE_CFG_PROPERTY)) {
+		ret = device_property_read_u32_array(phy_dev,
+						     XGBE_PHY_DFE_CFG_PROPERTY,
+						     priv->serdes_dfe_tap_cfg,
+						     XGBE_PHY_SPEEDS);
+		if (ret) {
+			dev_err(dev, "invalid %s property\n",
+				XGBE_PHY_DFE_CFG_PROPERTY);
+			goto err_sir1;
+		}
+	} else {
+		memcpy(priv->serdes_dfe_tap_cfg,
+		       amd_xgbe_phy_serdes_dfe_tap_cfg,
+		       sizeof(priv->serdes_dfe_tap_cfg));
+	}
+
+	if (device_property_present(phy_dev, XGBE_PHY_DFE_ENA_PROPERTY)) {
+		ret = device_property_read_u32_array(phy_dev,
+						     XGBE_PHY_DFE_ENA_PROPERTY,
+						     priv->serdes_dfe_tap_ena,
+						     XGBE_PHY_SPEEDS);
+		if (ret) {
+			dev_err(dev, "invalid %s property\n",
+				XGBE_PHY_DFE_ENA_PROPERTY);
+			goto err_sir1;
+		}
+	} else {
+		memcpy(priv->serdes_dfe_tap_ena,
+		       amd_xgbe_phy_serdes_dfe_tap_ena,
+		       sizeof(priv->serdes_dfe_tap_ena));
+	}
+
 	phydev->priv = priv;
 
 	if (!priv->adev || acpi_disabled)
diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c
index cdcac6aa4260..52cd8db2c57d 100644
--- a/drivers/net/phy/phy.c
+++ b/drivers/net/phy/phy.c
@@ -236,6 +236,25 @@ static inline unsigned int phy_find_valid(unsigned int idx, u32 features)
 }
 
 /**
+ * phy_check_valid - check if there is a valid PHY setting which matches
+ *		     speed, duplex, and feature mask
+ * @speed: speed to match
+ * @duplex: duplex to match
+ * @features: A mask of the valid settings
+ *
+ * Description: Returns true if there is a valid setting, false otherwise.
+ */
+static inline bool phy_check_valid(int speed, int duplex, u32 features)
+{
+	unsigned int idx;
+
+	idx = phy_find_valid(phy_find_setting(speed, duplex), features);
+
+	return settings[idx].speed == speed && settings[idx].duplex == duplex &&
+		(settings[idx].setting & features);
+}
+
+/**
  * phy_sanitize_settings - make sure the PHY is set to supported speed and duplex
  * @phydev: the target phy_device struct
  *
@@ -1045,7 +1064,6 @@ int phy_init_eee(struct phy_device *phydev, bool clk_stop_enable)
 		int eee_lp, eee_cap, eee_adv;
 		u32 lp, cap, adv;
 		int status;
-		unsigned int idx;
 
 		/* Read phy status to properly get the right settings */
 		status = phy_read_status(phydev);
@@ -1077,8 +1095,7 @@ int phy_init_eee(struct phy_device *phydev, bool clk_stop_enable)
 
 		adv = mmd_eee_adv_to_ethtool_adv_t(eee_adv);
 		lp = mmd_eee_adv_to_ethtool_adv_t(eee_lp);
-		idx = phy_find_setting(phydev->speed, phydev->duplex);
-		if (!(lp & adv & settings[idx].setting))
+		if (!phy_check_valid(phydev->speed, phydev->duplex, lp & adv))
 			goto eee_exit_err;
 
 		if (clk_stop_enable) {
diff --git a/drivers/net/team/team.c b/drivers/net/team/team.c
index 0e62274e884a..7d394846afc2 100644
--- a/drivers/net/team/team.c
+++ b/drivers/net/team/team.c
@@ -43,9 +43,7 @@
 
 static struct team_port *team_port_get_rcu(const struct net_device *dev)
 {
-	struct team_port *port = rcu_dereference(dev->rx_handler_data);
-
-	return team_port_exists(dev) ? port : NULL;
+	return rcu_dereference(dev->rx_handler_data);
 }
 
 static struct team_port *team_port_get_rtnl(const struct net_device *dev)
@@ -1732,11 +1730,11 @@ static int team_set_mac_address(struct net_device *dev, void *p)
 	if (dev->type == ARPHRD_ETHER && !is_valid_ether_addr(addr->sa_data))
 		return -EADDRNOTAVAIL;
 	memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
-	rcu_read_lock();
-	list_for_each_entry_rcu(port, &team->port_list, list)
+	mutex_lock(&team->lock);
+	list_for_each_entry(port, &team->port_list, list)
 		if (team->ops.port_change_dev_addr)
 			team->ops.port_change_dev_addr(team, port);
-	rcu_read_unlock();
+	mutex_unlock(&team->lock);
 	return 0;
 }
 
diff --git a/drivers/net/usb/Kconfig b/drivers/net/usb/Kconfig
index 3bd9678315ad..7ba8d0885f12 100644
--- a/drivers/net/usb/Kconfig
+++ b/drivers/net/usb/Kconfig
@@ -161,6 +161,7 @@ config USB_NET_AX8817X
 	    * Linksys USB200M
 	    * Netgear FA120
 	    * Sitecom LN-029
+	    * Sitecom LN-028
 	    * Intellinet USB 2.0 Ethernet
 	    * ST Lab USB 2.0 Ethernet
 	    * TrendNet TU2-ET100
diff --git a/drivers/net/usb/asix_devices.c b/drivers/net/usb/asix_devices.c
index bf49792062a2..1173a24feda3 100644
--- a/drivers/net/usb/asix_devices.c
+++ b/drivers/net/usb/asix_devices.c
@@ -979,6 +979,10 @@ static const struct usb_device_id	products [] = {
 	USB_DEVICE (0x0df6, 0x0056),
 	.driver_info =  (unsigned long) &ax88178_info,
 }, {
+	// Sitecom LN-028 "USB 2.0 10/100/1000 Ethernet adapter"
+	USB_DEVICE (0x0df6, 0x061c),
+	.driver_info =  (unsigned long) &ax88178_info,
+}, {
 	// corega FEther USB2-TX
 	USB_DEVICE (0x07aa, 0x0017),
 	.driver_info =  (unsigned long) &ax8817x_info,
diff --git a/drivers/net/usb/hso.c b/drivers/net/usb/hso.c
index 9cdfb3fe9c15..778e91531fac 100644
--- a/drivers/net/usb/hso.c
+++ b/drivers/net/usb/hso.c
@@ -1594,7 +1594,7 @@ hso_wait_modem_status(struct hso_serial *serial, unsigned long arg)
 		}
 		cprev = cnow;
 	}
-	current->state = TASK_RUNNING;
+	__set_current_state(TASK_RUNNING);
 	remove_wait_queue(&tiocmget->waitq, &wait);
 
 	return ret;
diff --git a/drivers/net/usb/plusb.c b/drivers/net/usb/plusb.c
index 3d18bb0eee85..1bfe0fcaccf5 100644
--- a/drivers/net/usb/plusb.c
+++ b/drivers/net/usb/plusb.c
@@ -134,6 +134,11 @@ static const struct usb_device_id	products [] = {
 }, {
 	USB_DEVICE(0x050d, 0x258a),     /* Belkin F5U258/F5U279 (PL-25A1) */
 	.driver_info =  (unsigned long) &prolific_info,
+}, {
+	USB_DEVICE(0x3923, 0x7825),     /* National Instruments USB
+					 * Host-to-Host Cable
+					 */
+	.driver_info =  (unsigned long) &prolific_info,
 },
 
 	{ },		// END
diff --git a/drivers/net/wan/cosa.c b/drivers/net/wan/cosa.c
index 83c39e2858bf..88d121d43c08 100644
--- a/drivers/net/wan/cosa.c
+++ b/drivers/net/wan/cosa.c
@@ -806,21 +806,21 @@ static ssize_t cosa_read(struct file *file,
 	spin_lock_irqsave(&cosa->lock, flags);
 	add_wait_queue(&chan->rxwaitq, &wait);
 	while (!chan->rx_status) {
-		current->state = TASK_INTERRUPTIBLE;
+		set_current_state(TASK_INTERRUPTIBLE);
 		spin_unlock_irqrestore(&cosa->lock, flags);
 		schedule();
 		spin_lock_irqsave(&cosa->lock, flags);
 		if (signal_pending(current) && chan->rx_status == 0) {
 			chan->rx_status = 1;
 			remove_wait_queue(&chan->rxwaitq, &wait);
-			current->state = TASK_RUNNING;
+			__set_current_state(TASK_RUNNING);
 			spin_unlock_irqrestore(&cosa->lock, flags);
 			mutex_unlock(&chan->rlock);
 			return -ERESTARTSYS;
 		}
 	}
 	remove_wait_queue(&chan->rxwaitq, &wait);
-	current->state = TASK_RUNNING;
+	__set_current_state(TASK_RUNNING);
 	kbuf = chan->rxdata;
 	count = chan->rxsize;
 	spin_unlock_irqrestore(&cosa->lock, flags);
@@ -890,14 +890,14 @@ static ssize_t cosa_write(struct file *file,
 	spin_lock_irqsave(&cosa->lock, flags);
 	add_wait_queue(&chan->txwaitq, &wait);
 	while (!chan->tx_status) {
-		current->state = TASK_INTERRUPTIBLE;
+		set_current_state(TASK_INTERRUPTIBLE);
 		spin_unlock_irqrestore(&cosa->lock, flags);
 		schedule();
 		spin_lock_irqsave(&cosa->lock, flags);
 		if (signal_pending(current) && chan->tx_status == 0) {
 			chan->tx_status = 1;
 			remove_wait_queue(&chan->txwaitq, &wait);
-			current->state = TASK_RUNNING;
+			__set_current_state(TASK_RUNNING);
 			chan->tx_status = 1;
 			spin_unlock_irqrestore(&cosa->lock, flags);
 			up(&chan->wsem);
@@ -905,7 +905,7 @@ static ssize_t cosa_write(struct file *file,
 		}
 	}
 	remove_wait_queue(&chan->txwaitq, &wait);
-	current->state = TASK_RUNNING;
+	__set_current_state(TASK_RUNNING);
 	up(&chan->wsem);
 	spin_unlock_irqrestore(&cosa->lock, flags);
 	kfree(kbuf);
diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c
index 4a4c6586a8d2..8908be6dbc48 100644
--- a/drivers/net/wireless/mac80211_hwsim.c
+++ b/drivers/net/wireless/mac80211_hwsim.c
@@ -946,7 +946,8 @@ static void mac80211_hwsim_tx_frame_nl(struct ieee80211_hw *hw,
 		goto nla_put_failure;
 
 	genlmsg_end(skb, msg_head);
-	genlmsg_unicast(&init_net, skb, dst_portid);
+	if (genlmsg_unicast(&init_net, skb, dst_portid))
+		goto err_free_txskb;
 
 	/* Enqueue the packet */
 	skb_queue_tail(&data->pending, my_skb);
@@ -955,6 +956,8 @@ static void mac80211_hwsim_tx_frame_nl(struct ieee80211_hw *hw,
 	return;
 
 nla_put_failure:
+	nlmsg_free(skb);
+err_free_txskb:
 	printk(KERN_DEBUG "mac80211_hwsim: error occurred in %s\n", __func__);
 	ieee80211_free_txskb(hw, my_skb);
 	data->tx_failed++;
diff --git a/drivers/net/xen-netback/interface.c b/drivers/net/xen-netback/interface.c
index f38227afe099..3aa8648080c8 100644
--- a/drivers/net/xen-netback/interface.c
+++ b/drivers/net/xen-netback/interface.c
@@ -340,12 +340,11 @@ static void xenvif_get_ethtool_stats(struct net_device *dev,
 	unsigned int num_queues = vif->num_queues;
 	int i;
 	unsigned int queue_index;
-	struct xenvif_stats *vif_stats;
 
 	for (i = 0; i < ARRAY_SIZE(xenvif_stats); i++) {
 		unsigned long accum = 0;
 		for (queue_index = 0; queue_index < num_queues; ++queue_index) {
-			vif_stats = &vif->queues[queue_index].stats;
+			void *vif_stats = &vif->queues[queue_index].stats;
 			accum += *(unsigned long *)(vif_stats + xenvif_stats[i].offset);
 		}
 		data[i] = accum;
diff --git a/drivers/net/xen-netback/netback.c b/drivers/net/xen-netback/netback.c
index f7a31d2cb3f1..cab9f5257f57 100644
--- a/drivers/net/xen-netback/netback.c
+++ b/drivers/net/xen-netback/netback.c
@@ -655,9 +655,15 @@ static void xenvif_tx_err(struct xenvif_queue *queue,
 	unsigned long flags;
 
 	do {
+		int notify;
+
 		spin_lock_irqsave(&queue->response_lock, flags);
 		make_tx_response(queue, txp, XEN_NETIF_RSP_ERROR);
+		RING_PUSH_RESPONSES_AND_CHECK_NOTIFY(&queue->tx, notify);
 		spin_unlock_irqrestore(&queue->response_lock, flags);
+		if (notify)
+			notify_remote_via_irq(queue->tx_irq);
+
 		if (cons == end)
 			break;
 		txp = RING_GET_REQUEST(&queue->tx, cons++);
@@ -1343,7 +1349,7 @@ static int xenvif_handle_frag_list(struct xenvif_queue *queue, struct sk_buff *s
 {
 	unsigned int offset = skb_headlen(skb);
 	skb_frag_t frags[MAX_SKB_FRAGS];
-	int i;
+	int i, f;
 	struct ubuf_info *uarg;
 	struct sk_buff *nskb = skb_shinfo(skb)->frag_list;
 
@@ -1383,23 +1389,25 @@ static int xenvif_handle_frag_list(struct xenvif_queue *queue, struct sk_buff *s
 		frags[i].page_offset = 0;
 		skb_frag_size_set(&frags[i], len);
 	}
-	/* swap out with old one */
-	memcpy(skb_shinfo(skb)->frags,
-	       frags,
-	       i * sizeof(skb_frag_t));
-	skb_shinfo(skb)->nr_frags = i;
-	skb->truesize += i * PAGE_SIZE;
 
-	/* remove traces of mapped pages and frag_list */
+	/* Copied all the bits from the frag list -- free it. */
 	skb_frag_list_init(skb);
+	xenvif_skb_zerocopy_prepare(queue, nskb);
+	kfree_skb(nskb);
+
+	/* Release all the original (foreign) frags. */
+	for (f = 0; f < skb_shinfo(skb)->nr_frags; f++)
+		skb_frag_unref(skb, f);
 	uarg = skb_shinfo(skb)->destructor_arg;
 	/* increase inflight counter to offset decrement in callback */
 	atomic_inc(&queue->inflight_packets);
 	uarg->callback(uarg, true);
 	skb_shinfo(skb)->destructor_arg = NULL;
 
-	xenvif_skb_zerocopy_prepare(queue, nskb);
-	kfree_skb(nskb);
+	/* Fill the skb with the new (local) frags. */
+	memcpy(skb_shinfo(skb)->frags, frags, i * sizeof(skb_frag_t));
+	skb_shinfo(skb)->nr_frags = i;
+	skb->truesize += i * PAGE_SIZE;
 
 	return 0;
 }
@@ -1649,17 +1657,28 @@ static void xenvif_idx_release(struct xenvif_queue *queue, u16 pending_idx,
 {
 	struct pending_tx_info *pending_tx_info;
 	pending_ring_idx_t index;
+	int notify;
 	unsigned long flags;
 
 	pending_tx_info = &queue->pending_tx_info[pending_idx];
+
 	spin_lock_irqsave(&queue->response_lock, flags);
+
 	make_tx_response(queue, &pending_tx_info->req, status);
-	index = pending_index(queue->pending_prod);
+
+	/* Release the pending index before pusing the Tx response so
+	 * its available before a new Tx request is pushed by the
+	 * frontend.
+	 */
+	index = pending_index(queue->pending_prod++);
 	queue->pending_ring[index] = pending_idx;
-	/* TX shouldn't use the index before we give it back here */
-	mb();
-	queue->pending_prod++;
+
+	RING_PUSH_RESPONSES_AND_CHECK_NOTIFY(&queue->tx, notify);
+
 	spin_unlock_irqrestore(&queue->response_lock, flags);
+
+	if (notify)
+		notify_remote_via_irq(queue->tx_irq);
 }
 
 
@@ -1669,7 +1688,6 @@ static void make_tx_response(struct xenvif_queue *queue,
 {
 	RING_IDX i = queue->tx.rsp_prod_pvt;
 	struct xen_netif_tx_response *resp;
-	int notify;
 
 	resp = RING_GET_RESPONSE(&queue->tx, i);
 	resp->id     = txp->id;
@@ -1679,9 +1697,6 @@ static void make_tx_response(struct xenvif_queue *queue,
 		RING_GET_RESPONSE(&queue->tx, ++i)->status = XEN_NETIF_RSP_NULL;
 
 	queue->tx.rsp_prod_pvt = ++i;
-	RING_PUSH_RESPONSES_AND_CHECK_NOTIFY(&queue->tx, notify);
-	if (notify)
-		notify_remote_via_irq(queue->tx_irq);
 }
 
 static struct xen_netif_rx_response *make_rx_response(struct xenvif_queue *queue,
diff --git a/drivers/of/Kconfig b/drivers/of/Kconfig
index 38d1c51f58b1..7bcaeec876c0 100644
--- a/drivers/of/Kconfig
+++ b/drivers/of/Kconfig
@@ -84,8 +84,7 @@ config OF_RESOLVE
 	bool
 
 config OF_OVERLAY
-	bool
-	depends on OF
+	bool "Device Tree overlays"
 	select OF_DYNAMIC
 	select OF_RESOLVE
 
diff --git a/drivers/of/base.c b/drivers/of/base.c
index 0a8aeb8523fe..adb8764861c0 100644
--- a/drivers/of/base.c
+++ b/drivers/of/base.c
@@ -714,16 +714,17 @@ static struct device_node *__of_find_node_by_path(struct device_node *parent,
 						const char *path)
 {
 	struct device_node *child;
-	int len = strchrnul(path, '/') - path;
-	int term;
+	int len;
+	const char *end;
 
+	end = strchr(path, ':');
+	if (!end)
+		end = strchrnul(path, '/');
+
+	len = end - path;
 	if (!len)
 		return NULL;
 
-	term = strchrnul(path, ':') - path;
-	if (term < len)
-		len = term;
-
 	__for_each_child_of_node(parent, child) {
 		const char *name = strrchr(child->full_name, '/');
 		if (WARN(!name, "malformed device_node %s\n", child->full_name))
@@ -768,8 +769,12 @@ struct device_node *of_find_node_opts_by_path(const char *path, const char **opt
 
 	/* The path could begin with an alias */
 	if (*path != '/') {
-		char *p = strchrnul(path, '/');
-		int len = separator ? separator - path : p - path;
+		int len;
+		const char *p = separator;
+
+		if (!p)
+			p = strchrnul(path, '/');
+		len = p - path;
 
 		/* of_aliases must not be NULL */
 		if (!of_aliases)
@@ -794,6 +799,8 @@ struct device_node *of_find_node_opts_by_path(const char *path, const char **opt
 		path++; /* Increment past '/' delimiter */
 		np = __of_find_node_by_path(np, path);
 		path = strchrnul(path, '/');
+		if (separator && separator < path)
+			break;
 	}
 	raw_spin_unlock_irqrestore(&devtree_lock, flags);
 	return np;
@@ -1886,8 +1893,10 @@ void of_alias_scan(void * (*dt_alloc)(u64 size, u64 align))
 			name = of_get_property(of_chosen, "linux,stdout-path", NULL);
 		if (IS_ENABLED(CONFIG_PPC) && !name)
 			name = of_get_property(of_aliases, "stdout", NULL);
-		if (name)
+		if (name) {
 			of_stdout = of_find_node_opts_by_path(name, &of_stdout_options);
+			add_preferred_console("stdout-path", 0, NULL);
+		}
 	}
 
 	if (!of_aliases)
diff --git a/drivers/of/overlay.c b/drivers/of/overlay.c
index 352b4f28f82c..dee9270ba547 100644
--- a/drivers/of/overlay.c
+++ b/drivers/of/overlay.c
@@ -19,6 +19,7 @@
 #include <linux/string.h>
 #include <linux/slab.h>
 #include <linux/err.h>
+#include <linux/idr.h>
 
 #include "of_private.h"
 
@@ -85,7 +86,7 @@ static int of_overlay_apply_single_device_node(struct of_overlay *ov,
 		struct device_node *target, struct device_node *child)
 {
 	const char *cname;
-	struct device_node *tchild, *grandchild;
+	struct device_node *tchild;
 	int ret = 0;
 
 	cname = kbasename(child->full_name);
diff --git a/drivers/of/unittest.c b/drivers/of/unittest.c
index 0cf9a236d438..aba8946cac46 100644
--- a/drivers/of/unittest.c
+++ b/drivers/of/unittest.c
@@ -92,6 +92,11 @@ static void __init of_selftest_find_node_by_name(void)
 		 "option path test failed\n");
 	of_node_put(np);
 
+	np = of_find_node_opts_by_path("/testcase-data:test/option", &options);
+	selftest(np && !strcmp("test/option", options),
+		 "option path test, subcase #1 failed\n");
+	of_node_put(np);
+
 	np = of_find_node_opts_by_path("/testcase-data:testoption", NULL);
 	selftest(np, "NULL option path test failed\n");
 	of_node_put(np);
@@ -102,6 +107,12 @@ static void __init of_selftest_find_node_by_name(void)
 		 "option alias path test failed\n");
 	of_node_put(np);
 
+	np = of_find_node_opts_by_path("testcase-alias:test/alias/option",
+				       &options);
+	selftest(np && !strcmp("test/alias/option", options),
+		 "option alias path test, subcase #1 failed\n");
+	of_node_put(np);
+
 	np = of_find_node_opts_by_path("testcase-alias:testaliasoption", NULL);
 	selftest(np, "NULL option alias path test failed\n");
 	of_node_put(np);
@@ -378,9 +389,9 @@ static void __init of_selftest_property_string(void)
 	rc = of_property_match_string(np, "phandle-list-names", "first");
 	selftest(rc == 0, "first expected:0 got:%i\n", rc);
 	rc = of_property_match_string(np, "phandle-list-names", "second");
-	selftest(rc == 1, "second expected:0 got:%i\n", rc);
+	selftest(rc == 1, "second expected:1 got:%i\n", rc);
 	rc = of_property_match_string(np, "phandle-list-names", "third");
-	selftest(rc == 2, "third expected:0 got:%i\n", rc);
+	selftest(rc == 2, "third expected:2 got:%i\n", rc);
 	rc = of_property_match_string(np, "phandle-list-names", "fourth");
 	selftest(rc == -ENODATA, "unmatched string; rc=%i\n", rc);
 	rc = of_property_match_string(np, "missing-property", "blah");
@@ -478,7 +489,6 @@ static void __init of_selftest_changeset(void)
 	struct device_node *n1, *n2, *n21, *nremove, *parent, *np;
 	struct of_changeset chgset;
 
-	of_changeset_init(&chgset);
 	n1 = __of_node_dup(NULL, "/testcase-data/changeset/n1");
 	selftest(n1, "testcase setup failure\n");
 	n2 = __of_node_dup(NULL, "/testcase-data/changeset/n2");
@@ -979,7 +989,7 @@ static int of_path_platform_device_exists(const char *path)
 	return pdev != NULL;
 }
 
-#if IS_ENABLED(CONFIG_I2C)
+#if IS_BUILTIN(CONFIG_I2C)
 
 /* get the i2c client device instantiated at the path */
 static struct i2c_client *of_path_to_i2c_client(const char *path)
@@ -1445,7 +1455,7 @@ static void of_selftest_overlay_11(void)
 		return;
 }
 
-#if IS_ENABLED(CONFIG_I2C) && IS_ENABLED(CONFIG_OF_OVERLAY)
+#if IS_BUILTIN(CONFIG_I2C) && IS_ENABLED(CONFIG_OF_OVERLAY)
 
 struct selftest_i2c_bus_data {
 	struct platform_device	*pdev;
@@ -1584,7 +1594,7 @@ static struct i2c_driver selftest_i2c_dev_driver = {
 	.id_table = selftest_i2c_dev_id,
 };
 
-#if IS_ENABLED(CONFIG_I2C_MUX)
+#if IS_BUILTIN(CONFIG_I2C_MUX)
 
 struct selftest_i2c_mux_data {
 	int nchans;
@@ -1695,7 +1705,7 @@ static int of_selftest_overlay_i2c_init(void)
 			"could not register selftest i2c bus driver\n"))
 		return ret;
 
-#if IS_ENABLED(CONFIG_I2C_MUX)
+#if IS_BUILTIN(CONFIG_I2C_MUX)
 	ret = i2c_add_driver(&selftest_i2c_mux_driver);
 	if (selftest(ret == 0,
 			"could not register selftest i2c mux driver\n"))
@@ -1707,7 +1717,7 @@ static int of_selftest_overlay_i2c_init(void)
 
 static void of_selftest_overlay_i2c_cleanup(void)
 {
-#if IS_ENABLED(CONFIG_I2C_MUX)
+#if IS_BUILTIN(CONFIG_I2C_MUX)
 	i2c_del_driver(&selftest_i2c_mux_driver);
 #endif
 	platform_driver_unregister(&selftest_i2c_bus_driver);
@@ -1814,7 +1824,7 @@ static void __init of_selftest_overlay(void)
 	of_selftest_overlay_10();
 	of_selftest_overlay_11();
 
-#if IS_ENABLED(CONFIG_I2C)
+#if IS_BUILTIN(CONFIG_I2C)
 	if (selftest(of_selftest_overlay_i2c_init() == 0, "i2c init failed\n"))
 		goto out;
 
diff --git a/drivers/pci/host/pci-versatile.c b/drivers/pci/host/pci-versatile.c
index 1ec694a52379..464bf492ee2a 100644
--- a/drivers/pci/host/pci-versatile.c
+++ b/drivers/pci/host/pci-versatile.c
@@ -80,7 +80,7 @@ static int versatile_pci_parse_request_of_pci_ranges(struct device *dev,
 	if (err)
 		return err;
 
-	resource_list_for_each_entry(win, res, list) {
+	resource_list_for_each_entry(win, res) {
 		struct resource *parent, *res = win->res;
 
 		switch (resource_type(res)) {
diff --git a/drivers/pci/host/pci-xgene.c b/drivers/pci/host/pci-xgene.c
index aab55474dd0d..ee082c0366ec 100644
--- a/drivers/pci/host/pci-xgene.c
+++ b/drivers/pci/host/pci-xgene.c
@@ -127,7 +127,7 @@ static bool xgene_pcie_hide_rc_bars(struct pci_bus *bus, int offset)
 	return false;
 }
 
-static int xgene_pcie_map_bus(struct pci_bus *bus, unsigned int devfn,
+static void __iomem *xgene_pcie_map_bus(struct pci_bus *bus, unsigned int devfn,
 			      int offset)
 {
 	struct xgene_pcie_port *port = bus->sysdata;
@@ -137,7 +137,7 @@ static int xgene_pcie_map_bus(struct pci_bus *bus, unsigned int devfn,
 		return NULL;
 
 	xgene_pcie_set_rtdid_reg(bus, devfn);
-	return xgene_pcie_get_cfg_base(bus);
+	return xgene_pcie_get_cfg_base(bus) + offset;
 }
 
 static struct pci_ops xgene_pcie_ops = {
diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c
index aa012fb3834b..312f23a8429c 100644
--- a/drivers/pci/pci-sysfs.c
+++ b/drivers/pci/pci-sysfs.c
@@ -521,7 +521,8 @@ static ssize_t driver_override_store(struct device *dev,
 	struct pci_dev *pdev = to_pci_dev(dev);
 	char *driver_override, *old = pdev->driver_override, *cp;
 
-	if (count > PATH_MAX)
+	/* We need to keep extra room for a newline */
+	if (count >= (PAGE_SIZE - 1))
 		return -EINVAL;
 
 	driver_override = kstrndup(buf, count, GFP_KERNEL);
@@ -549,7 +550,7 @@ static ssize_t driver_override_show(struct device *dev,
 {
 	struct pci_dev *pdev = to_pci_dev(dev);
 
-	return sprintf(buf, "%s\n", pdev->driver_override);
+	return snprintf(buf, PAGE_SIZE, "%s\n", pdev->driver_override);
 }
 static DEVICE_ATTR_RW(driver_override);
 
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index b899947d839d..1245dca79009 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -3444,13 +3444,6 @@ static umode_t regulator_attr_is_visible(struct kobject *kobj,
 	if (attr == &dev_attr_requested_microamps.attr)
 		return rdev->desc->type == REGULATOR_CURRENT ? mode : 0;
 
-	/* all the other attributes exist to support constraints;
-	 * don't show them if there are no constraints, or if the
-	 * relevant supporting methods are missing.
-	 */
-	if (!rdev->constraints)
-		return 0;
-
 	/* constraints need specific supporting methods */
 	if (attr == &dev_attr_min_microvolts.attr ||
 	    attr == &dev_attr_max_microvolts.attr)
diff --git a/drivers/regulator/da9210-regulator.c b/drivers/regulator/da9210-regulator.c
index bc6100103f7f..f0489cb9018b 100644
--- a/drivers/regulator/da9210-regulator.c
+++ b/drivers/regulator/da9210-regulator.c
@@ -152,6 +152,15 @@ static int da9210_i2c_probe(struct i2c_client *i2c,
 	config.regmap = chip->regmap;
 	config.of_node = dev->of_node;
 
+	/* Mask all interrupt sources to deassert interrupt line */
+	error = regmap_write(chip->regmap, DA9210_REG_MASK_A, ~0);
+	if (!error)
+		error = regmap_write(chip->regmap, DA9210_REG_MASK_B, ~0);
+	if (error) {
+		dev_err(&i2c->dev, "Failed to write to mask reg: %d\n", error);
+		return error;
+	}
+
 	rdev = devm_regulator_register(&i2c->dev, &da9210_reg, &config);
 	if (IS_ERR(rdev)) {
 		dev_err(&i2c->dev, "Failed to register DA9210 regulator\n");
diff --git a/drivers/regulator/rk808-regulator.c b/drivers/regulator/rk808-regulator.c
index 1f93b752a81c..3fd44353cc80 100644
--- a/drivers/regulator/rk808-regulator.c
+++ b/drivers/regulator/rk808-regulator.c
@@ -235,6 +235,7 @@ static const struct regulator_desc rk808_reg[] = {
 		.vsel_mask = RK808_LDO_VSEL_MASK,
 		.enable_reg = RK808_LDO_EN_REG,
 		.enable_mask = BIT(0),
+		.enable_time = 400,
 		.owner = THIS_MODULE,
 	}, {
 		.name = "LDO_REG2",
@@ -249,6 +250,7 @@ static const struct regulator_desc rk808_reg[] = {
 		.vsel_mask = RK808_LDO_VSEL_MASK,
 		.enable_reg = RK808_LDO_EN_REG,
 		.enable_mask = BIT(1),
+		.enable_time = 400,
 		.owner = THIS_MODULE,
 	}, {
 		.name = "LDO_REG3",
@@ -263,6 +265,7 @@ static const struct regulator_desc rk808_reg[] = {
 		.vsel_mask = RK808_BUCK4_VSEL_MASK,
 		.enable_reg = RK808_LDO_EN_REG,
 		.enable_mask = BIT(2),
+		.enable_time = 400,
 		.owner = THIS_MODULE,
 	}, {
 		.name = "LDO_REG4",
@@ -277,6 +280,7 @@ static const struct regulator_desc rk808_reg[] = {
 		.vsel_mask = RK808_LDO_VSEL_MASK,
 		.enable_reg = RK808_LDO_EN_REG,
 		.enable_mask = BIT(3),
+		.enable_time = 400,
 		.owner = THIS_MODULE,
 	}, {
 		.name = "LDO_REG5",
@@ -291,6 +295,7 @@ static const struct regulator_desc rk808_reg[] = {
 		.vsel_mask = RK808_LDO_VSEL_MASK,
 		.enable_reg = RK808_LDO_EN_REG,
 		.enable_mask = BIT(4),
+		.enable_time = 400,
 		.owner = THIS_MODULE,
 	}, {
 		.name = "LDO_REG6",
@@ -305,6 +310,7 @@ static const struct regulator_desc rk808_reg[] = {
 		.vsel_mask = RK808_LDO_VSEL_MASK,
 		.enable_reg = RK808_LDO_EN_REG,
 		.enable_mask = BIT(5),
+		.enable_time = 400,
 		.owner = THIS_MODULE,
 	}, {
 		.name = "LDO_REG7",
@@ -319,6 +325,7 @@ static const struct regulator_desc rk808_reg[] = {
 		.vsel_mask = RK808_LDO_VSEL_MASK,
 		.enable_reg = RK808_LDO_EN_REG,
 		.enable_mask = BIT(6),
+		.enable_time = 400,
 		.owner = THIS_MODULE,
 	}, {
 		.name = "LDO_REG8",
@@ -333,6 +340,7 @@ static const struct regulator_desc rk808_reg[] = {
 		.vsel_mask = RK808_LDO_VSEL_MASK,
 		.enable_reg = RK808_LDO_EN_REG,
 		.enable_mask = BIT(7),
+		.enable_time = 400,
 		.owner = THIS_MODULE,
 	}, {
 		.name = "SWITCH_REG1",
diff --git a/drivers/rtc/rtc-at91rm9200.c b/drivers/rtc/rtc-at91rm9200.c
index 70a5d94cc766..b4f7744f6751 100644
--- a/drivers/rtc/rtc-at91rm9200.c
+++ b/drivers/rtc/rtc-at91rm9200.c
@@ -31,6 +31,7 @@
 #include <linux/io.h>
 #include <linux/of.h>
 #include <linux/of_device.h>
+#include <linux/suspend.h>
 #include <linux/uaccess.h>
 
 #include "rtc-at91rm9200.h"
@@ -54,6 +55,10 @@ static void __iomem *at91_rtc_regs;
 static int irq;
 static DEFINE_SPINLOCK(at91_rtc_lock);
 static u32 at91_rtc_shadow_imr;
+static bool suspended;
+static DEFINE_SPINLOCK(suspended_lock);
+static unsigned long cached_events;
+static u32 at91_rtc_imr;
 
 static void at91_rtc_write_ier(u32 mask)
 {
@@ -290,7 +295,9 @@ static irqreturn_t at91_rtc_interrupt(int irq, void *dev_id)
 	struct rtc_device *rtc = platform_get_drvdata(pdev);
 	unsigned int rtsr;
 	unsigned long events = 0;
+	int ret = IRQ_NONE;
 
+	spin_lock(&suspended_lock);
 	rtsr = at91_rtc_read(AT91_RTC_SR) & at91_rtc_read_imr();
 	if (rtsr) {		/* this interrupt is shared!  Is it ours? */
 		if (rtsr & AT91_RTC_ALARM)
@@ -304,14 +311,22 @@ static irqreturn_t at91_rtc_interrupt(int irq, void *dev_id)
 
 		at91_rtc_write(AT91_RTC_SCCR, rtsr);	/* clear status reg */
 
-		rtc_update_irq(rtc, 1, events);
+		if (!suspended) {
+			rtc_update_irq(rtc, 1, events);
 
-		dev_dbg(&pdev->dev, "%s(): num=%ld, events=0x%02lx\n", __func__,
-			events >> 8, events & 0x000000FF);
+			dev_dbg(&pdev->dev, "%s(): num=%ld, events=0x%02lx\n",
+				__func__, events >> 8, events & 0x000000FF);
+		} else {
+			cached_events |= events;
+			at91_rtc_write_idr(at91_rtc_imr);
+			pm_system_wakeup();
+		}
 
-		return IRQ_HANDLED;
+		ret = IRQ_HANDLED;
 	}
-	return IRQ_NONE;		/* not handled */
+	spin_lock(&suspended_lock);
+
+	return ret;
 }
 
 static const struct at91_rtc_config at91rm9200_config = {
@@ -401,8 +416,8 @@ static int __init at91_rtc_probe(struct platform_device *pdev)
 					AT91_RTC_CALEV);
 
 	ret = devm_request_irq(&pdev->dev, irq, at91_rtc_interrupt,
-				IRQF_SHARED,
-				"at91_rtc", pdev);
+			       IRQF_SHARED | IRQF_COND_SUSPEND,
+			       "at91_rtc", pdev);
 	if (ret) {
 		dev_err(&pdev->dev, "IRQ %d already in use.\n", irq);
 		return ret;
@@ -454,8 +469,6 @@ static void at91_rtc_shutdown(struct platform_device *pdev)
 
 /* AT91RM9200 RTC Power management control */
 
-static u32 at91_rtc_imr;
-
 static int at91_rtc_suspend(struct device *dev)
 {
 	/* this IRQ is shared with DBGU and other hardware which isn't
@@ -464,21 +477,42 @@ static int at91_rtc_suspend(struct device *dev)
 	at91_rtc_imr = at91_rtc_read_imr()
 			& (AT91_RTC_ALARM|AT91_RTC_SECEV);
 	if (at91_rtc_imr) {
-		if (device_may_wakeup(dev))
+		if (device_may_wakeup(dev)) {
+			unsigned long flags;
+
 			enable_irq_wake(irq);
-		else
+
+			spin_lock_irqsave(&suspended_lock, flags);
+			suspended = true;
+			spin_unlock_irqrestore(&suspended_lock, flags);
+		} else {
 			at91_rtc_write_idr(at91_rtc_imr);
+		}
 	}
 	return 0;
 }
 
 static int at91_rtc_resume(struct device *dev)
 {
+	struct rtc_device *rtc = dev_get_drvdata(dev);
+
 	if (at91_rtc_imr) {
-		if (device_may_wakeup(dev))
+		if (device_may_wakeup(dev)) {
+			unsigned long flags;
+
+			spin_lock_irqsave(&suspended_lock, flags);
+
+			if (cached_events) {
+				rtc_update_irq(rtc, 1, cached_events);
+				cached_events = 0;
+			}
+
+			suspended = false;
+			spin_unlock_irqrestore(&suspended_lock, flags);
+
 			disable_irq_wake(irq);
-		else
-			at91_rtc_write_ier(at91_rtc_imr);
+		}
+		at91_rtc_write_ier(at91_rtc_imr);
 	}
 	return 0;
 }
diff --git a/drivers/rtc/rtc-at91sam9.c b/drivers/rtc/rtc-at91sam9.c
index 2183fd2750ab..5ccaee32df72 100644
--- a/drivers/rtc/rtc-at91sam9.c
+++ b/drivers/rtc/rtc-at91sam9.c
@@ -23,6 +23,7 @@
 #include <linux/io.h>
 #include <linux/mfd/syscon.h>
 #include <linux/regmap.h>
+#include <linux/suspend.h>
 #include <linux/clk.h>
 
 /*
@@ -77,6 +78,9 @@ struct sam9_rtc {
 	unsigned int		gpbr_offset;
 	int 			irq;
 	struct clk		*sclk;
+	bool			suspended;
+	unsigned long		events;
+	spinlock_t		lock;
 };
 
 #define rtt_readl(rtc, field) \
@@ -271,14 +275,9 @@ static int at91_rtc_proc(struct device *dev, struct seq_file *seq)
 	return 0;
 }
 
-/*
- * IRQ handler for the RTC
- */
-static irqreturn_t at91_rtc_interrupt(int irq, void *_rtc)
+static irqreturn_t at91_rtc_cache_events(struct sam9_rtc *rtc)
 {
-	struct sam9_rtc *rtc = _rtc;
 	u32 sr, mr;
-	unsigned long events = 0;
 
 	/* Shared interrupt may be for another device.  Note: reading
 	 * SR clears it, so we must only read it in this irq handler!
@@ -290,18 +289,54 @@ static irqreturn_t at91_rtc_interrupt(int irq, void *_rtc)
 
 	/* alarm status */
 	if (sr & AT91_RTT_ALMS)
-		events |= (RTC_AF | RTC_IRQF);
+		rtc->events |= (RTC_AF | RTC_IRQF);
 
 	/* timer update/increment */
 	if (sr & AT91_RTT_RTTINC)
-		events |= (RTC_UF | RTC_IRQF);
+		rtc->events |= (RTC_UF | RTC_IRQF);
+
+	return IRQ_HANDLED;
+}
+
+static void at91_rtc_flush_events(struct sam9_rtc *rtc)
+{
+	if (!rtc->events)
+		return;
 
-	rtc_update_irq(rtc->rtcdev, 1, events);
+	rtc_update_irq(rtc->rtcdev, 1, rtc->events);
+	rtc->events = 0;
 
 	pr_debug("%s: num=%ld, events=0x%02lx\n", __func__,
-		events >> 8, events & 0x000000FF);
+		rtc->events >> 8, rtc->events & 0x000000FF);
+}
 
-	return IRQ_HANDLED;
+/*
+ * IRQ handler for the RTC
+ */
+static irqreturn_t at91_rtc_interrupt(int irq, void *_rtc)
+{
+	struct sam9_rtc *rtc = _rtc;
+	int ret;
+
+	spin_lock(&rtc->lock);
+
+	ret = at91_rtc_cache_events(rtc);
+
+	/* We're called in suspended state */
+	if (rtc->suspended) {
+		/* Mask irqs coming from this peripheral */
+		rtt_writel(rtc, MR,
+			   rtt_readl(rtc, MR) &
+			   ~(AT91_RTT_ALMIEN | AT91_RTT_RTTINCIEN));
+		/* Trigger a system wakeup */
+		pm_system_wakeup();
+	} else {
+		at91_rtc_flush_events(rtc);
+	}
+
+	spin_unlock(&rtc->lock);
+
+	return ret;
 }
 
 static const struct rtc_class_ops at91_rtc_ops = {
@@ -421,7 +456,8 @@ static int at91_rtc_probe(struct platform_device *pdev)
 
 	/* register irq handler after we know what name we'll use */
 	ret = devm_request_irq(&pdev->dev, rtc->irq, at91_rtc_interrupt,
-				IRQF_SHARED, dev_name(&rtc->rtcdev->dev), rtc);
+			       IRQF_SHARED | IRQF_COND_SUSPEND,
+			       dev_name(&rtc->rtcdev->dev), rtc);
 	if (ret) {
 		dev_dbg(&pdev->dev, "can't share IRQ %d?\n", rtc->irq);
 		return ret;
@@ -482,7 +518,12 @@ static int at91_rtc_suspend(struct device *dev)
 	rtc->imr = mr & (AT91_RTT_ALMIEN | AT91_RTT_RTTINCIEN);
 	if (rtc->imr) {
 		if (device_may_wakeup(dev) && (mr & AT91_RTT_ALMIEN)) {
+			unsigned long flags;
+
 			enable_irq_wake(rtc->irq);
+			spin_lock_irqsave(&rtc->lock, flags);
+			rtc->suspended = true;
+			spin_unlock_irqrestore(&rtc->lock, flags);
 			/* don't let RTTINC cause wakeups */
 			if (mr & AT91_RTT_RTTINCIEN)
 				rtt_writel(rtc, MR, mr & ~AT91_RTT_RTTINCIEN);
@@ -499,10 +540,18 @@ static int at91_rtc_resume(struct device *dev)
 	u32		mr;
 
 	if (rtc->imr) {
+		unsigned long flags;
+
 		if (device_may_wakeup(dev))
 			disable_irq_wake(rtc->irq);
 		mr = rtt_readl(rtc, MR);
 		rtt_writel(rtc, MR, mr | rtc->imr);
+
+		spin_lock_irqsave(&rtc->lock, flags);
+		rtc->suspended = false;
+		at91_rtc_cache_events(rtc);
+		at91_rtc_flush_events(rtc);
+		spin_unlock_irqrestore(&rtc->lock, flags);
 	}
 
 	return 0;
diff --git a/drivers/rtc/rtc-ds1685.c b/drivers/rtc/rtc-ds1685.c
index 8c3bfcb115b7..803869c7d7c2 100644
--- a/drivers/rtc/rtc-ds1685.c
+++ b/drivers/rtc/rtc-ds1685.c
@@ -399,21 +399,21 @@ ds1685_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alrm)
 	 * of this RTC chip.  We check for it anyways in case support is
 	 * added in the future.
 	 */
-	if (unlikely((seconds >= 0xc0) && (seconds <= 0xff)))
+	if (unlikely(seconds >= 0xc0))
 		alrm->time.tm_sec = -1;
 	else
 		alrm->time.tm_sec = ds1685_rtc_bcd2bin(rtc, seconds,
 						       RTC_SECS_BCD_MASK,
 						       RTC_SECS_BIN_MASK);
 
-	if (unlikely((minutes >= 0xc0) && (minutes <= 0xff)))
+	if (unlikely(minutes >= 0xc0))
 		alrm->time.tm_min = -1;
 	else
 		alrm->time.tm_min = ds1685_rtc_bcd2bin(rtc, minutes,
 						       RTC_MINS_BCD_MASK,
 						       RTC_MINS_BIN_MASK);
 
-	if (unlikely((hours >= 0xc0) && (hours <= 0xff)))
+	if (unlikely(hours >= 0xc0))
 		alrm->time.tm_hour = -1;
 	else
 		alrm->time.tm_hour = ds1685_rtc_bcd2bin(rtc, hours,
@@ -472,13 +472,13 @@ ds1685_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alrm)
 	 * field, and we only support four fields.  We put the support
 	 * here anyways for the future.
 	 */
-	if (unlikely((seconds >= 0xc0) && (seconds <= 0xff)))
+	if (unlikely(seconds >= 0xc0))
 		seconds = 0xff;
 
-	if (unlikely((minutes >= 0xc0) && (minutes <= 0xff)))
+	if (unlikely(minutes >= 0xc0))
 		minutes = 0xff;
 
-	if (unlikely((hours >= 0xc0) && (hours <= 0xff)))
+	if (unlikely(hours >= 0xc0))
 		hours = 0xff;
 
 	alrm->time.tm_mon	= -1;
@@ -528,7 +528,6 @@ ds1685_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alrm)
 /* ----------------------------------------------------------------------- */
 /* /dev/rtcX Interface functions */
 
-#ifdef CONFIG_RTC_INTF_DEV
 /**
  * ds1685_rtc_alarm_irq_enable - replaces ioctl() RTC_AIE on/off.
  * @dev: pointer to device structure.
@@ -557,7 +556,6 @@ ds1685_rtc_alarm_irq_enable(struct device *dev, unsigned int enabled)
 
 	return 0;
 }
-#endif
 /* ----------------------------------------------------------------------- */
 
 
@@ -1612,7 +1610,7 @@ ds1685_rtc_sysfs_time_regs_show(struct device *dev,
 		ds1685_rtc_sysfs_time_regs_lookup(attr->attr.name, false);
 
 	/* Make sure we actually matched something. */
-	if (!bcd_reg_info && !bin_reg_info)
+	if (!bcd_reg_info || !bin_reg_info)
 		return -EINVAL;
 
 	/* bcd_reg_info->reg == bin_reg_info->reg. */
@@ -1650,7 +1648,7 @@ ds1685_rtc_sysfs_time_regs_store(struct device *dev,
 		return -EINVAL;
 
 	/* Make sure we actually matched something. */
-	if (!bcd_reg_info && !bin_reg_info)
+	if (!bcd_reg_info || !bin_reg_info)
 		return -EINVAL;
 
 	/* Check for a valid range. */
diff --git a/drivers/rtc/rtc-s3c.c b/drivers/rtc/rtc-s3c.c
index 4241eeab3386..f4cf6851fae9 100644
--- a/drivers/rtc/rtc-s3c.c
+++ b/drivers/rtc/rtc-s3c.c
@@ -849,6 +849,7 @@ static struct s3c_rtc_data const s3c2443_rtc_data = {
 
 static struct s3c_rtc_data const s3c6410_rtc_data = {
 	.max_user_freq		= 32768,
+	.needs_src_clk		= true,
 	.irq_handler		= s3c6410_rtc_irq,
 	.set_freq		= s3c6410_rtc_setfreq,
 	.enable_tick		= s3c6410_rtc_enable_tick,
diff --git a/drivers/s390/block/dcssblk.c b/drivers/s390/block/dcssblk.c
index 96128cb009f3..da212813f2d5 100644
--- a/drivers/s390/block/dcssblk.c
+++ b/drivers/s390/block/dcssblk.c
@@ -547,7 +547,7 @@ dcssblk_add_store(struct device *dev, struct device_attribute *attr, const char
 	 * parse input
 	 */
 	num_of_segments = 0;
-	for (i = 0; ((buf[i] != '\0') && (buf[i] != '\n') && i < count); i++) {
+	for (i = 0; (i < count && (buf[i] != '\0') && (buf[i] != '\n')); i++) {
 		for (j = i; (buf[j] != ':') &&
 			(buf[j] != '\0') &&
 			(buf[j] != '\n') &&
diff --git a/drivers/s390/block/scm_blk_cluster.c b/drivers/s390/block/scm_blk_cluster.c
index 09db45296eed..7497ddde2dd6 100644
--- a/drivers/s390/block/scm_blk_cluster.c
+++ b/drivers/s390/block/scm_blk_cluster.c
@@ -92,7 +92,7 @@ bool scm_reserve_cluster(struct scm_request *scmrq)
 			add = 0;
 			continue;
 		}
-		for (pos = 0; pos <= iter->aob->request.msb_count; pos++) {
+		for (pos = 0; pos < iter->aob->request.msb_count; pos++) {
 			if (clusters_intersect(req, iter->request[pos]) &&
 			    (rq_data_dir(req) == WRITE ||
 			     rq_data_dir(iter->request[pos]) == WRITE)) {
diff --git a/drivers/scsi/libsas/sas_discover.c b/drivers/scsi/libsas/sas_discover.c
index 62b58d38ce2e..60de66252fa2 100644
--- a/drivers/scsi/libsas/sas_discover.c
+++ b/drivers/scsi/libsas/sas_discover.c
@@ -500,6 +500,7 @@ static void sas_revalidate_domain(struct work_struct *work)
 	struct sas_discovery_event *ev = to_sas_discovery_event(work);
 	struct asd_sas_port *port = ev->port;
 	struct sas_ha_struct *ha = port->ha;
+	struct domain_device *ddev = port->port_dev;
 
 	/* prevent revalidation from finding sata links in recovery */
 	mutex_lock(&ha->disco_mutex);
@@ -514,8 +515,9 @@ static void sas_revalidate_domain(struct work_struct *work)
 	SAS_DPRINTK("REVALIDATING DOMAIN on port %d, pid:%d\n", port->id,
 		    task_pid_nr(current));
 
-	if (port->port_dev)
-		res = sas_ex_revalidate_domain(port->port_dev);
+	if (ddev && (ddev->dev_type == SAS_FANOUT_EXPANDER_DEVICE ||
+		     ddev->dev_type == SAS_EDGE_EXPANDER_DEVICE))
+		res = sas_ex_revalidate_domain(ddev);
 
 	SAS_DPRINTK("done REVALIDATING DOMAIN on port %d, pid:%d, res 0x%x\n",
 		    port->id, task_pid_nr(current), res);
diff --git a/drivers/sh/pm_runtime.c b/drivers/sh/pm_runtime.c
index f3ee439d6f0e..cd4c293f0dd0 100644
--- a/drivers/sh/pm_runtime.c
+++ b/drivers/sh/pm_runtime.c
@@ -81,7 +81,9 @@ static int __init sh_pm_runtime_init(void)
 		if (!of_machine_is_compatible("renesas,emev2") &&
 		    !of_machine_is_compatible("renesas,r7s72100") &&
 		    !of_machine_is_compatible("renesas,r8a73a4") &&
+#ifndef CONFIG_PM_GENERIC_DOMAINS_OF
 		    !of_machine_is_compatible("renesas,r8a7740") &&
+#endif
 		    !of_machine_is_compatible("renesas,r8a7778") &&
 		    !of_machine_is_compatible("renesas,r8a7779") &&
 		    !of_machine_is_compatible("renesas,r8a7790") &&
diff --git a/drivers/spi/spi-atmel.c b/drivers/spi/spi-atmel.c
index 9af7841f2e8c..06de34001c66 100644
--- a/drivers/spi/spi-atmel.c
+++ b/drivers/spi/spi-atmel.c
@@ -764,17 +764,17 @@ static void atmel_spi_pdc_next_xfer(struct spi_master *master,
 			(unsigned long long)xfer->rx_dma);
 	}
 
-	/* REVISIT: We're waiting for ENDRX before we start the next
+	/* REVISIT: We're waiting for RXBUFF before we start the next
 	 * transfer because we need to handle some difficult timing
-	 * issues otherwise. If we wait for ENDTX in one transfer and
-	 * then starts waiting for ENDRX in the next, it's difficult
-	 * to tell the difference between the ENDRX interrupt we're
-	 * actually waiting for and the ENDRX interrupt of the
+	 * issues otherwise. If we wait for TXBUFE in one transfer and
+	 * then starts waiting for RXBUFF in the next, it's difficult
+	 * to tell the difference between the RXBUFF interrupt we're
+	 * actually waiting for and the RXBUFF interrupt of the
 	 * previous transfer.
 	 *
 	 * It should be doable, though. Just not now...
 	 */
-	spi_writel(as, IER, SPI_BIT(ENDRX) | SPI_BIT(OVRES));
+	spi_writel(as, IER, SPI_BIT(RXBUFF) | SPI_BIT(OVRES));
 	spi_writel(as, PTCR, SPI_BIT(TXTEN) | SPI_BIT(RXTEN));
 }
 
diff --git a/drivers/spi/spi-dw-mid.c b/drivers/spi/spi-dw-mid.c
index a0197fd4e95c..3ce39d10fafb 100644
--- a/drivers/spi/spi-dw-mid.c
+++ b/drivers/spi/spi-dw-mid.c
@@ -139,6 +139,9 @@ static struct dma_async_tx_descriptor *dw_spi_dma_prepare_tx(struct dw_spi *dws)
 				1,
 				DMA_MEM_TO_DEV,
 				DMA_PREP_INTERRUPT | DMA_CTRL_ACK);
+	if (!txdesc)
+		return NULL;
+
 	txdesc->callback = dw_spi_dma_tx_done;
 	txdesc->callback_param = dws;
 
@@ -184,6 +187,9 @@ static struct dma_async_tx_descriptor *dw_spi_dma_prepare_rx(struct dw_spi *dws)
 				1,
 				DMA_DEV_TO_MEM,
 				DMA_PREP_INTERRUPT | DMA_CTRL_ACK);
+	if (!rxdesc)
+		return NULL;
+
 	rxdesc->callback = dw_spi_dma_rx_done;
 	rxdesc->callback_param = dws;
 
diff --git a/drivers/spi/spi-dw-pci.c b/drivers/spi/spi-dw-pci.c
index 5ba331047cbe..6d331e0db331 100644
--- a/drivers/spi/spi-dw-pci.c
+++ b/drivers/spi/spi-dw-pci.c
@@ -36,13 +36,13 @@ struct spi_pci_desc {
 
 static struct spi_pci_desc spi_pci_mid_desc_1 = {
 	.setup = dw_spi_mid_init,
-	.num_cs = 32,
+	.num_cs = 5,
 	.bus_num = 0,
 };
 
 static struct spi_pci_desc spi_pci_mid_desc_2 = {
 	.setup = dw_spi_mid_init,
-	.num_cs = 4,
+	.num_cs = 2,
 	.bus_num = 1,
 };
 
diff --git a/drivers/spi/spi-dw.c b/drivers/spi/spi-dw.c
index 5a97a62b298a..4847afba89f4 100644
--- a/drivers/spi/spi-dw.c
+++ b/drivers/spi/spi-dw.c
@@ -621,14 +621,14 @@ static void spi_hw_init(struct device *dev, struct dw_spi *dws)
 	if (!dws->fifo_len) {
 		u32 fifo;
 
-		for (fifo = 2; fifo <= 256; fifo++) {
+		for (fifo = 1; fifo < 256; fifo++) {
 			dw_writew(dws, DW_SPI_TXFLTR, fifo);
 			if (fifo != dw_readw(dws, DW_SPI_TXFLTR))
 				break;
 		}
 		dw_writew(dws, DW_SPI_TXFLTR, 0);
 
-		dws->fifo_len = (fifo == 2) ? 0 : fifo - 1;
+		dws->fifo_len = (fifo == 1) ? 0 : fifo;
 		dev_dbg(dev, "Detected FIFO size: %u bytes\n", dws->fifo_len);
 	}
 }
diff --git a/drivers/spi/spi-img-spfi.c b/drivers/spi/spi-img-spfi.c
index c01567d53581..e649bc7d4c08 100644
--- a/drivers/spi/spi-img-spfi.c
+++ b/drivers/spi/spi-img-spfi.c
@@ -459,6 +459,13 @@ static int img_spfi_transfer_one(struct spi_master *master,
 	unsigned long flags;
 	int ret;
 
+	if (xfer->len > SPFI_TRANSACTION_TSIZE_MASK) {
+		dev_err(spfi->dev,
+			"Transfer length (%d) is greater than the max supported (%d)",
+			xfer->len, SPFI_TRANSACTION_TSIZE_MASK);
+		return -EINVAL;
+	}
+
 	/*
 	 * Stop all DMA and reset the controller if the previous transaction
 	 * timed-out and never completed it's DMA.
diff --git a/drivers/spi/spi-pl022.c b/drivers/spi/spi-pl022.c
index 89ca162801da..ee513a85296b 100644
--- a/drivers/spi/spi-pl022.c
+++ b/drivers/spi/spi-pl022.c
@@ -534,12 +534,12 @@ static void giveback(struct pl022 *pl022)
 	pl022->cur_msg = NULL;
 	pl022->cur_transfer = NULL;
 	pl022->cur_chip = NULL;
-	spi_finalize_current_message(pl022->master);
 
 	/* disable the SPI/SSP operation */
 	writew((readw(SSP_CR1(pl022->virtbase)) &
 		(~SSP_CR1_MASK_SSE)), SSP_CR1(pl022->virtbase));
 
+	spi_finalize_current_message(pl022->master);
 }
 
 /**
diff --git a/drivers/spi/spi-ti-qspi.c b/drivers/spi/spi-ti-qspi.c
index 884a716e50cb..5c0616870358 100644
--- a/drivers/spi/spi-ti-qspi.c
+++ b/drivers/spi/spi-ti-qspi.c
@@ -101,6 +101,7 @@ struct ti_qspi {
 #define QSPI_FLEN(n)			((n - 1) << 0)
 
 /* STATUS REGISTER */
+#define BUSY				0x01
 #define WC				0x02
 
 /* INTERRUPT REGISTER */
@@ -199,6 +200,21 @@ static void ti_qspi_restore_ctx(struct ti_qspi *qspi)
 	ti_qspi_write(qspi, ctx_reg->clkctrl, QSPI_SPI_CLOCK_CNTRL_REG);
 }
 
+static inline u32 qspi_is_busy(struct ti_qspi *qspi)
+{
+	u32 stat;
+	unsigned long timeout = jiffies + QSPI_COMPLETION_TIMEOUT;
+
+	stat = ti_qspi_read(qspi, QSPI_SPI_STATUS_REG);
+	while ((stat & BUSY) && time_after(timeout, jiffies)) {
+		cpu_relax();
+		stat = ti_qspi_read(qspi, QSPI_SPI_STATUS_REG);
+	}
+
+	WARN(stat & BUSY, "qspi busy\n");
+	return stat & BUSY;
+}
+
 static int qspi_write_msg(struct ti_qspi *qspi, struct spi_transfer *t)
 {
 	int wlen, count;
@@ -211,6 +227,9 @@ static int qspi_write_msg(struct ti_qspi *qspi, struct spi_transfer *t)
 	wlen = t->bits_per_word >> 3;	/* in bytes */
 
 	while (count) {
+		if (qspi_is_busy(qspi))
+			return -EBUSY;
+
 		switch (wlen) {
 		case 1:
 			dev_dbg(qspi->dev, "tx cmd %08x dc %08x data %02x\n",
@@ -266,6 +285,9 @@ static int qspi_read_msg(struct ti_qspi *qspi, struct spi_transfer *t)
 
 	while (count) {
 		dev_dbg(qspi->dev, "rx cmd %08x dc %08x\n", cmd, qspi->dc);
+		if (qspi_is_busy(qspi))
+			return -EBUSY;
+
 		ti_qspi_write(qspi, cmd, QSPI_SPI_CMD_REG);
 		if (!wait_for_completion_timeout(&qspi->transfer_complete,
 						 QSPI_COMPLETION_TIMEOUT)) {
diff --git a/drivers/staging/comedi/drivers/adv_pci1710.c b/drivers/staging/comedi/drivers/adv_pci1710.c
index 9800c01e6fb9..3f72451d2de0 100644
--- a/drivers/staging/comedi/drivers/adv_pci1710.c
+++ b/drivers/staging/comedi/drivers/adv_pci1710.c
@@ -426,7 +426,6 @@ static int pci171x_ai_insn_read(struct comedi_device *dev,
 				unsigned int *data)
 {
 	struct pci1710_private *devpriv = dev->private;
-	unsigned int chan = CR_CHAN(insn->chanspec);
 	int ret = 0;
 	int i;
 
@@ -447,7 +446,7 @@ static int pci171x_ai_insn_read(struct comedi_device *dev,
 		if (ret)
 			break;
 
-		ret = pci171x_ai_read_sample(dev, s, chan, &val);
+		ret = pci171x_ai_read_sample(dev, s, 0, &val);
 		if (ret)
 			break;
 
diff --git a/drivers/staging/comedi/drivers/comedi_isadma.c b/drivers/staging/comedi/drivers/comedi_isadma.c
index dbdea71d6b95..e856f01ca077 100644
--- a/drivers/staging/comedi/drivers/comedi_isadma.c
+++ b/drivers/staging/comedi/drivers/comedi_isadma.c
@@ -91,9 +91,10 @@ unsigned int comedi_isadma_disable_on_sample(unsigned int dma_chan,
 			stalled++;
 			if (stalled > 10)
 				break;
+		} else {
+			residue = new_residue;
+			stalled = 0;
 		}
-		residue = new_residue;
-		stalled = 0;
 	}
 	return residue;
 }
diff --git a/drivers/staging/comedi/drivers/vmk80xx.c b/drivers/staging/comedi/drivers/vmk80xx.c
index e37118321a27..a0906685e27f 100644
--- a/drivers/staging/comedi/drivers/vmk80xx.c
+++ b/drivers/staging/comedi/drivers/vmk80xx.c
@@ -103,11 +103,6 @@ enum vmk80xx_model {
 	VMK8061_MODEL
 };
 
-struct firmware_version {
-	unsigned char ic3_vers[32];	/* USB-Controller */
-	unsigned char ic6_vers[32];	/* CPU */
-};
-
 static const struct comedi_lrange vmk8061_range = {
 	2, {
 		UNI_RANGE(5),
@@ -156,68 +151,12 @@ static const struct vmk80xx_board vmk80xx_boardinfo[] = {
 struct vmk80xx_private {
 	struct usb_endpoint_descriptor *ep_rx;
 	struct usb_endpoint_descriptor *ep_tx;
-	struct firmware_version fw;
 	struct semaphore limit_sem;
 	unsigned char *usb_rx_buf;
 	unsigned char *usb_tx_buf;
 	enum vmk80xx_model model;
 };
 
-static int vmk80xx_check_data_link(struct comedi_device *dev)
-{
-	struct vmk80xx_private *devpriv = dev->private;
-	struct usb_device *usb = comedi_to_usb_dev(dev);
-	unsigned int tx_pipe;
-	unsigned int rx_pipe;
-	unsigned char tx[1];
-	unsigned char rx[2];
-
-	tx_pipe = usb_sndbulkpipe(usb, 0x01);
-	rx_pipe = usb_rcvbulkpipe(usb, 0x81);
-
-	tx[0] = VMK8061_CMD_RD_PWR_STAT;
-
-	/*
-	 * Check that IC6 (PIC16F871) is powered and
-	 * running and the data link between IC3 and
-	 * IC6 is working properly
-	 */
-	usb_bulk_msg(usb, tx_pipe, tx, 1, NULL, devpriv->ep_tx->bInterval);
-	usb_bulk_msg(usb, rx_pipe, rx, 2, NULL, HZ * 10);
-
-	return (int)rx[1];
-}
-
-static void vmk80xx_read_eeprom(struct comedi_device *dev, int flag)
-{
-	struct vmk80xx_private *devpriv = dev->private;
-	struct usb_device *usb = comedi_to_usb_dev(dev);
-	unsigned int tx_pipe;
-	unsigned int rx_pipe;
-	unsigned char tx[1];
-	unsigned char rx[64];
-	int cnt;
-
-	tx_pipe = usb_sndbulkpipe(usb, 0x01);
-	rx_pipe = usb_rcvbulkpipe(usb, 0x81);
-
-	tx[0] = VMK8061_CMD_RD_VERSION;
-
-	/*
-	 * Read the firmware version info of IC3 and
-	 * IC6 from the internal EEPROM of the IC
-	 */
-	usb_bulk_msg(usb, tx_pipe, tx, 1, NULL, devpriv->ep_tx->bInterval);
-	usb_bulk_msg(usb, rx_pipe, rx, 64, &cnt, HZ * 10);
-
-	rx[cnt] = '\0';
-
-	if (flag & IC3_VERSION)
-		strncpy(devpriv->fw.ic3_vers, rx + 1, 24);
-	else			/* IC6_VERSION */
-		strncpy(devpriv->fw.ic6_vers, rx + 25, 24);
-}
-
 static void vmk80xx_do_bulk_msg(struct comedi_device *dev)
 {
 	struct vmk80xx_private *devpriv = dev->private;
@@ -878,16 +817,6 @@ static int vmk80xx_auto_attach(struct comedi_device *dev,
 
 	usb_set_intfdata(intf, devpriv);
 
-	if (devpriv->model == VMK8061_MODEL) {
-		vmk80xx_read_eeprom(dev, IC3_VERSION);
-		dev_info(&intf->dev, "%s\n", devpriv->fw.ic3_vers);
-
-		if (vmk80xx_check_data_link(dev)) {
-			vmk80xx_read_eeprom(dev, IC6_VERSION);
-			dev_info(&intf->dev, "%s\n", devpriv->fw.ic6_vers);
-		}
-	}
-
 	if (devpriv->model == VMK8055_MODEL)
 		vmk80xx_reset_device(dev);
 
diff --git a/drivers/staging/iio/adc/mxs-lradc.c b/drivers/staging/iio/adc/mxs-lradc.c
index d9d6fad7cb00..816174388f13 100644
--- a/drivers/staging/iio/adc/mxs-lradc.c
+++ b/drivers/staging/iio/adc/mxs-lradc.c
@@ -214,11 +214,17 @@ struct mxs_lradc {
 	unsigned long		is_divided;
 
 	/*
-	 * Touchscreen LRADC channels receives a private slot in the CTRL4
-	 * register, the slot #7. Therefore only 7 slots instead of 8 in the
-	 * CTRL4 register can be mapped to LRADC channels when using the
-	 * touchscreen.
-	 *
+	 * When the touchscreen is enabled, we give it two private virtual
+	 * channels: #6 and #7. This means that only 6 virtual channels (instead
+	 * of 8) will be available for buffered capture.
+	 */
+#define TOUCHSCREEN_VCHANNEL1		7
+#define TOUCHSCREEN_VCHANNEL2		6
+#define BUFFER_VCHANS_LIMITED		0x3f
+#define BUFFER_VCHANS_ALL		0xff
+	u8			buffer_vchans;
+
+	/*
 	 * Furthermore, certain LRADC channels are shared between touchscreen
 	 * and/or touch-buttons and generic LRADC block. Therefore when using
 	 * either of these, these channels are not available for the regular
@@ -342,6 +348,9 @@ struct mxs_lradc {
 #define	LRADC_CTRL4				0x140
 #define	LRADC_CTRL4_LRADCSELECT_MASK(n)		(0xf << ((n) * 4))
 #define	LRADC_CTRL4_LRADCSELECT_OFFSET(n)	((n) * 4)
+#define	LRADC_CTRL4_LRADCSELECT(n, x) \
+				(((x) << LRADC_CTRL4_LRADCSELECT_OFFSET(n)) & \
+				LRADC_CTRL4_LRADCSELECT_MASK(n))
 
 #define LRADC_RESOLUTION			12
 #define LRADC_SINGLE_SAMPLE_MASK		((1 << LRADC_RESOLUTION) - 1)
@@ -416,6 +425,14 @@ static bool mxs_lradc_check_touch_event(struct mxs_lradc *lradc)
 					LRADC_STATUS_TOUCH_DETECT_RAW);
 }
 
+static void mxs_lradc_map_channel(struct mxs_lradc *lradc, unsigned vch,
+				  unsigned ch)
+{
+	mxs_lradc_reg_clear(lradc, LRADC_CTRL4_LRADCSELECT_MASK(vch),
+				LRADC_CTRL4);
+	mxs_lradc_reg_set(lradc, LRADC_CTRL4_LRADCSELECT(vch, ch), LRADC_CTRL4);
+}
+
 static void mxs_lradc_setup_ts_channel(struct mxs_lradc *lradc, unsigned ch)
 {
 	/*
@@ -450,12 +467,8 @@ static void mxs_lradc_setup_ts_channel(struct mxs_lradc *lradc, unsigned ch)
 		LRADC_DELAY_DELAY(lradc->over_sample_delay - 1),
 			LRADC_DELAY(3));
 
-	mxs_lradc_reg_clear(lradc, LRADC_CTRL1_LRADC_IRQ(2) |
-			LRADC_CTRL1_LRADC_IRQ(3) | LRADC_CTRL1_LRADC_IRQ(4) |
-			LRADC_CTRL1_LRADC_IRQ(5), LRADC_CTRL1);
+	mxs_lradc_reg_clear(lradc, LRADC_CTRL1_LRADC_IRQ(ch), LRADC_CTRL1);
 
-	/* wake us again, when the complete conversion is done */
-	mxs_lradc_reg_set(lradc, LRADC_CTRL1_LRADC_IRQ_EN(ch), LRADC_CTRL1);
 	/*
 	 * after changing the touchscreen plates setting
 	 * the signals need some initial time to settle. Start the
@@ -509,12 +522,8 @@ static void mxs_lradc_setup_ts_pressure(struct mxs_lradc *lradc, unsigned ch1,
 		LRADC_DELAY_DELAY(lradc->over_sample_delay - 1),
 					LRADC_DELAY(3));
 
-	mxs_lradc_reg_clear(lradc, LRADC_CTRL1_LRADC_IRQ(2) |
-			LRADC_CTRL1_LRADC_IRQ(3) | LRADC_CTRL1_LRADC_IRQ(4) |
-			LRADC_CTRL1_LRADC_IRQ(5), LRADC_CTRL1);
+	mxs_lradc_reg_clear(lradc, LRADC_CTRL1_LRADC_IRQ(ch2), LRADC_CTRL1);
 
-	/* wake us again, when the conversions are done */
-	mxs_lradc_reg_set(lradc, LRADC_CTRL1_LRADC_IRQ_EN(ch2), LRADC_CTRL1);
 	/*
 	 * after changing the touchscreen plates setting
 	 * the signals need some initial time to settle. Start the
@@ -580,36 +589,6 @@ static unsigned mxs_lradc_read_ts_pressure(struct mxs_lradc *lradc,
 #define TS_CH_XM 4
 #define TS_CH_YM 5
 
-static int mxs_lradc_read_ts_channel(struct mxs_lradc *lradc)
-{
-	u32 reg;
-	int val;
-
-	reg = readl(lradc->base + LRADC_CTRL1);
-
-	/* only channels 3 to 5 are of interest here */
-	if (reg & LRADC_CTRL1_LRADC_IRQ(TS_CH_YP)) {
-		mxs_lradc_reg_clear(lradc, LRADC_CTRL1_LRADC_IRQ_EN(TS_CH_YP) |
-			LRADC_CTRL1_LRADC_IRQ(TS_CH_YP), LRADC_CTRL1);
-		val = mxs_lradc_read_raw_channel(lradc, TS_CH_YP);
-	} else if (reg & LRADC_CTRL1_LRADC_IRQ(TS_CH_XM)) {
-		mxs_lradc_reg_clear(lradc, LRADC_CTRL1_LRADC_IRQ_EN(TS_CH_XM) |
-			LRADC_CTRL1_LRADC_IRQ(TS_CH_XM), LRADC_CTRL1);
-		val = mxs_lradc_read_raw_channel(lradc, TS_CH_XM);
-	} else if (reg & LRADC_CTRL1_LRADC_IRQ(TS_CH_YM)) {
-		mxs_lradc_reg_clear(lradc, LRADC_CTRL1_LRADC_IRQ_EN(TS_CH_YM) |
-			LRADC_CTRL1_LRADC_IRQ(TS_CH_YM), LRADC_CTRL1);
-		val = mxs_lradc_read_raw_channel(lradc, TS_CH_YM);
-	} else {
-		return -EIO;
-	}
-
-	mxs_lradc_reg_wrt(lradc, 0, LRADC_DELAY(2));
-	mxs_lradc_reg_wrt(lradc, 0, LRADC_DELAY(3));
-
-	return val;
-}
-
 /*
  * YP(open)--+-------------+
  *           |             |--+
@@ -653,7 +632,8 @@ static void mxs_lradc_prepare_x_pos(struct mxs_lradc *lradc)
 	mxs_lradc_reg_set(lradc, mxs_lradc_drive_x_plate(lradc), LRADC_CTRL0);
 
 	lradc->cur_plate = LRADC_SAMPLE_X;
-	mxs_lradc_setup_ts_channel(lradc, TS_CH_YP);
+	mxs_lradc_map_channel(lradc, TOUCHSCREEN_VCHANNEL1, TS_CH_YP);
+	mxs_lradc_setup_ts_channel(lradc, TOUCHSCREEN_VCHANNEL1);
 }
 
 /*
@@ -674,7 +654,8 @@ static void mxs_lradc_prepare_y_pos(struct mxs_lradc *lradc)
 	mxs_lradc_reg_set(lradc, mxs_lradc_drive_y_plate(lradc), LRADC_CTRL0);
 
 	lradc->cur_plate = LRADC_SAMPLE_Y;
-	mxs_lradc_setup_ts_channel(lradc, TS_CH_XM);
+	mxs_lradc_map_channel(lradc, TOUCHSCREEN_VCHANNEL1, TS_CH_XM);
+	mxs_lradc_setup_ts_channel(lradc, TOUCHSCREEN_VCHANNEL1);
 }
 
 /*
@@ -695,7 +676,10 @@ static void mxs_lradc_prepare_pressure(struct mxs_lradc *lradc)
 	mxs_lradc_reg_set(lradc, mxs_lradc_drive_pressure(lradc), LRADC_CTRL0);
 
 	lradc->cur_plate = LRADC_SAMPLE_PRESSURE;
-	mxs_lradc_setup_ts_pressure(lradc, TS_CH_XP, TS_CH_YM);
+	mxs_lradc_map_channel(lradc, TOUCHSCREEN_VCHANNEL1, TS_CH_YM);
+	mxs_lradc_map_channel(lradc, TOUCHSCREEN_VCHANNEL2, TS_CH_XP);
+	mxs_lradc_setup_ts_pressure(lradc, TOUCHSCREEN_VCHANNEL2,
+						TOUCHSCREEN_VCHANNEL1);
 }
 
 static void mxs_lradc_enable_touch_detection(struct mxs_lradc *lradc)
@@ -708,6 +692,19 @@ static void mxs_lradc_enable_touch_detection(struct mxs_lradc *lradc)
 	mxs_lradc_reg_set(lradc, LRADC_CTRL1_TOUCH_DETECT_IRQ_EN, LRADC_CTRL1);
 }
 
+static void mxs_lradc_start_touch_event(struct mxs_lradc *lradc)
+{
+	mxs_lradc_reg_clear(lradc, LRADC_CTRL1_TOUCH_DETECT_IRQ_EN,
+				LRADC_CTRL1);
+	mxs_lradc_reg_set(lradc,
+		LRADC_CTRL1_LRADC_IRQ_EN(TOUCHSCREEN_VCHANNEL1), LRADC_CTRL1);
+	/*
+	 * start with the Y-pos, because it uses nearly the same plate
+	 * settings like the touch detection
+	 */
+	mxs_lradc_prepare_y_pos(lradc);
+}
+
 static void mxs_lradc_report_ts_event(struct mxs_lradc *lradc)
 {
 	input_report_abs(lradc->ts_input, ABS_X, lradc->ts_x_pos);
@@ -725,10 +722,12 @@ static void mxs_lradc_complete_touch_event(struct mxs_lradc *lradc)
 	 * start a dummy conversion to burn time to settle the signals
 	 * note: we are not interested in the conversion's value
 	 */
-	mxs_lradc_reg_wrt(lradc, 0, LRADC_CH(5));
-	mxs_lradc_reg_clear(lradc, LRADC_CTRL1_LRADC_IRQ(5), LRADC_CTRL1);
-	mxs_lradc_reg_set(lradc, LRADC_CTRL1_LRADC_IRQ_EN(5), LRADC_CTRL1);
-	mxs_lradc_reg_wrt(lradc, LRADC_DELAY_TRIGGER(1 << 5) |
+	mxs_lradc_reg_wrt(lradc, 0, LRADC_CH(TOUCHSCREEN_VCHANNEL1));
+	mxs_lradc_reg_clear(lradc,
+		LRADC_CTRL1_LRADC_IRQ(TOUCHSCREEN_VCHANNEL1) |
+		LRADC_CTRL1_LRADC_IRQ(TOUCHSCREEN_VCHANNEL2), LRADC_CTRL1);
+	mxs_lradc_reg_wrt(lradc,
+		LRADC_DELAY_TRIGGER(1 << TOUCHSCREEN_VCHANNEL1) |
 		LRADC_DELAY_KICK | LRADC_DELAY_DELAY(10), /* waste 5 ms */
 			LRADC_DELAY(2));
 }
@@ -760,59 +759,45 @@ static void mxs_lradc_finish_touch_event(struct mxs_lradc *lradc, bool valid)
 
 	/* if it is released, wait for the next touch via IRQ */
 	lradc->cur_plate = LRADC_TOUCH;
-	mxs_lradc_reg_clear(lradc, LRADC_CTRL1_TOUCH_DETECT_IRQ, LRADC_CTRL1);
+	mxs_lradc_reg_wrt(lradc, 0, LRADC_DELAY(2));
+	mxs_lradc_reg_wrt(lradc, 0, LRADC_DELAY(3));
+	mxs_lradc_reg_clear(lradc, LRADC_CTRL1_TOUCH_DETECT_IRQ |
+		LRADC_CTRL1_LRADC_IRQ_EN(TOUCHSCREEN_VCHANNEL1) |
+		LRADC_CTRL1_LRADC_IRQ(TOUCHSCREEN_VCHANNEL1), LRADC_CTRL1);
 	mxs_lradc_reg_set(lradc, LRADC_CTRL1_TOUCH_DETECT_IRQ_EN, LRADC_CTRL1);
 }
 
 /* touchscreen's state machine */
 static void mxs_lradc_handle_touch(struct mxs_lradc *lradc)
 {
-	int val;
-
 	switch (lradc->cur_plate) {
 	case LRADC_TOUCH:
-		/*
-		 * start with the Y-pos, because it uses nearly the same plate
-		 * settings like the touch detection
-		 */
-		if (mxs_lradc_check_touch_event(lradc)) {
-			mxs_lradc_reg_clear(lradc,
-					LRADC_CTRL1_TOUCH_DETECT_IRQ_EN,
-					LRADC_CTRL1);
-			mxs_lradc_prepare_y_pos(lradc);
-		}
+		if (mxs_lradc_check_touch_event(lradc))
+			mxs_lradc_start_touch_event(lradc);
 		mxs_lradc_reg_clear(lradc, LRADC_CTRL1_TOUCH_DETECT_IRQ,
 					LRADC_CTRL1);
 		return;
 
 	case LRADC_SAMPLE_Y:
-		val = mxs_lradc_read_ts_channel(lradc);
-		if (val < 0) {
-			mxs_lradc_enable_touch_detection(lradc); /* re-start */
-			return;
-		}
-		lradc->ts_y_pos = val;
+		lradc->ts_y_pos = mxs_lradc_read_raw_channel(lradc,
+							TOUCHSCREEN_VCHANNEL1);
 		mxs_lradc_prepare_x_pos(lradc);
 		return;
 
 	case LRADC_SAMPLE_X:
-		val = mxs_lradc_read_ts_channel(lradc);
-		if (val < 0) {
-			mxs_lradc_enable_touch_detection(lradc); /* re-start */
-			return;
-		}
-		lradc->ts_x_pos = val;
+		lradc->ts_x_pos = mxs_lradc_read_raw_channel(lradc,
+							TOUCHSCREEN_VCHANNEL1);
 		mxs_lradc_prepare_pressure(lradc);
 		return;
 
 	case LRADC_SAMPLE_PRESSURE:
-		lradc->ts_pressure =
-			mxs_lradc_read_ts_pressure(lradc, TS_CH_XP, TS_CH_YM);
+		lradc->ts_pressure = mxs_lradc_read_ts_pressure(lradc,
+							TOUCHSCREEN_VCHANNEL2,
+							TOUCHSCREEN_VCHANNEL1);
 		mxs_lradc_complete_touch_event(lradc);
 		return;
 
 	case LRADC_SAMPLE_VALID:
-		val = mxs_lradc_read_ts_channel(lradc); /* ignore the value */
 		mxs_lradc_finish_touch_event(lradc, 1);
 		break;
 	}
@@ -844,9 +829,9 @@ static int mxs_lradc_read_single(struct iio_dev *iio_dev, int chan, int *val)
 	 * used if doing raw sampling.
 	 */
 	if (lradc->soc == IMX28_LRADC)
-		mxs_lradc_reg_clear(lradc, LRADC_CTRL1_MX28_LRADC_IRQ_EN_MASK,
+		mxs_lradc_reg_clear(lradc, LRADC_CTRL1_LRADC_IRQ_EN(0),
 			LRADC_CTRL1);
-	mxs_lradc_reg_clear(lradc, 0xff, LRADC_CTRL0);
+	mxs_lradc_reg_clear(lradc, 0x1, LRADC_CTRL0);
 
 	/* Enable / disable the divider per requirement */
 	if (test_bit(chan, &lradc->is_divided))
@@ -1090,9 +1075,8 @@ static void mxs_lradc_disable_ts(struct mxs_lradc *lradc)
 {
 	/* stop all interrupts from firing */
 	mxs_lradc_reg_clear(lradc, LRADC_CTRL1_TOUCH_DETECT_IRQ_EN |
-		LRADC_CTRL1_LRADC_IRQ_EN(2) | LRADC_CTRL1_LRADC_IRQ_EN(3) |
-		LRADC_CTRL1_LRADC_IRQ_EN(4) | LRADC_CTRL1_LRADC_IRQ_EN(5),
-		LRADC_CTRL1);
+		LRADC_CTRL1_LRADC_IRQ_EN(TOUCHSCREEN_VCHANNEL1) |
+		LRADC_CTRL1_LRADC_IRQ_EN(TOUCHSCREEN_VCHANNEL2), LRADC_CTRL1);
 
 	/* Power-down touchscreen touch-detect circuitry. */
 	mxs_lradc_reg_clear(lradc, mxs_lradc_plate_mask(lradc), LRADC_CTRL0);
@@ -1158,26 +1142,31 @@ static irqreturn_t mxs_lradc_handle_irq(int irq, void *data)
 	struct iio_dev *iio = data;
 	struct mxs_lradc *lradc = iio_priv(iio);
 	unsigned long reg = readl(lradc->base + LRADC_CTRL1);
+	uint32_t clr_irq = mxs_lradc_irq_mask(lradc);
 	const uint32_t ts_irq_mask =
 		LRADC_CTRL1_TOUCH_DETECT_IRQ |
-		LRADC_CTRL1_LRADC_IRQ(2) |
-		LRADC_CTRL1_LRADC_IRQ(3) |
-		LRADC_CTRL1_LRADC_IRQ(4) |
-		LRADC_CTRL1_LRADC_IRQ(5);
+		LRADC_CTRL1_LRADC_IRQ(TOUCHSCREEN_VCHANNEL1) |
+		LRADC_CTRL1_LRADC_IRQ(TOUCHSCREEN_VCHANNEL2);
 
 	if (!(reg & mxs_lradc_irq_mask(lradc)))
 		return IRQ_NONE;
 
-	if (lradc->use_touchscreen && (reg & ts_irq_mask))
+	if (lradc->use_touchscreen && (reg & ts_irq_mask)) {
 		mxs_lradc_handle_touch(lradc);
 
-	if (iio_buffer_enabled(iio))
-		iio_trigger_poll(iio->trig);
-	else if (reg & LRADC_CTRL1_LRADC_IRQ(0))
+		/* Make sure we don't clear the next conversion's interrupt. */
+		clr_irq &= ~(LRADC_CTRL1_LRADC_IRQ(TOUCHSCREEN_VCHANNEL1) |
+				LRADC_CTRL1_LRADC_IRQ(TOUCHSCREEN_VCHANNEL2));
+	}
+
+	if (iio_buffer_enabled(iio)) {
+		if (reg & lradc->buffer_vchans)
+			iio_trigger_poll(iio->trig);
+	} else if (reg & LRADC_CTRL1_LRADC_IRQ(0)) {
 		complete(&lradc->completion);
+	}
 
-	mxs_lradc_reg_clear(lradc, reg & mxs_lradc_irq_mask(lradc),
-			LRADC_CTRL1);
+	mxs_lradc_reg_clear(lradc, reg & clr_irq, LRADC_CTRL1);
 
 	return IRQ_HANDLED;
 }
@@ -1289,9 +1278,10 @@ static int mxs_lradc_buffer_preenable(struct iio_dev *iio)
 	}
 
 	if (lradc->soc == IMX28_LRADC)
-		mxs_lradc_reg_clear(lradc, LRADC_CTRL1_MX28_LRADC_IRQ_EN_MASK,
-							LRADC_CTRL1);
-	mxs_lradc_reg_clear(lradc, 0xff, LRADC_CTRL0);
+		mxs_lradc_reg_clear(lradc,
+			lradc->buffer_vchans << LRADC_CTRL1_LRADC_IRQ_EN_OFFSET,
+			LRADC_CTRL1);
+	mxs_lradc_reg_clear(lradc, lradc->buffer_vchans, LRADC_CTRL0);
 
 	for_each_set_bit(chan, iio->active_scan_mask, LRADC_MAX_TOTAL_CHANS) {
 		ctrl4_set |= chan << LRADC_CTRL4_LRADCSELECT_OFFSET(ofs);
@@ -1324,10 +1314,11 @@ static int mxs_lradc_buffer_postdisable(struct iio_dev *iio)
 	mxs_lradc_reg_clear(lradc, LRADC_DELAY_TRIGGER_LRADCS_MASK |
 					LRADC_DELAY_KICK, LRADC_DELAY(0));
 
-	mxs_lradc_reg_clear(lradc, 0xff, LRADC_CTRL0);
+	mxs_lradc_reg_clear(lradc, lradc->buffer_vchans, LRADC_CTRL0);
 	if (lradc->soc == IMX28_LRADC)
-		mxs_lradc_reg_clear(lradc, LRADC_CTRL1_MX28_LRADC_IRQ_EN_MASK,
-					LRADC_CTRL1);
+		mxs_lradc_reg_clear(lradc,
+			lradc->buffer_vchans << LRADC_CTRL1_LRADC_IRQ_EN_OFFSET,
+			LRADC_CTRL1);
 
 	kfree(lradc->buffer);
 	mutex_unlock(&lradc->lock);
@@ -1353,7 +1344,7 @@ static bool mxs_lradc_validate_scan_mask(struct iio_dev *iio,
 	if (lradc->use_touchbutton)
 		rsvd_chans++;
 	if (lradc->use_touchscreen)
-		rsvd_chans++;
+		rsvd_chans += 2;
 
 	/* Test for attempts to map channels with special mode of operation. */
 	if (bitmap_intersects(mask, &rsvd_mask, LRADC_MAX_TOTAL_CHANS))
@@ -1413,6 +1404,13 @@ static const struct iio_chan_spec mxs_lradc_chan_spec[] = {
 		.channel = 8,
 		.scan_type = {.sign = 'u', .realbits = 18, .storagebits = 32,},
 	},
+	/* Hidden channel to keep indexes */
+	{
+		.type = IIO_TEMP,
+		.indexed = 1,
+		.scan_index = -1,
+		.channel = 9,
+	},
 	MXS_ADC_CHAN(10, IIO_VOLTAGE),	/* VDDIO */
 	MXS_ADC_CHAN(11, IIO_VOLTAGE),	/* VTH */
 	MXS_ADC_CHAN(12, IIO_VOLTAGE),	/* VDDA */
@@ -1583,6 +1581,11 @@ static int mxs_lradc_probe(struct platform_device *pdev)
 
 	touch_ret = mxs_lradc_probe_touchscreen(lradc, node);
 
+	if (touch_ret == 0)
+		lradc->buffer_vchans = BUFFER_VCHANS_LIMITED;
+	else
+		lradc->buffer_vchans = BUFFER_VCHANS_ALL;
+
 	/* Grab all IRQ sources */
 	for (i = 0; i < of_cfg->irq_count; i++) {
 		lradc->irq[i] = platform_get_irq(pdev, i);
diff --git a/drivers/staging/iio/resolver/ad2s1200.c b/drivers/staging/iio/resolver/ad2s1200.c
index 017d2f8379b7..c17893b4918c 100644
--- a/drivers/staging/iio/resolver/ad2s1200.c
+++ b/drivers/staging/iio/resolver/ad2s1200.c
@@ -18,6 +18,7 @@
 #include <linux/delay.h>
 #include <linux/gpio.h>
 #include <linux/module.h>
+#include <linux/bitops.h>
 
 #include <linux/iio/iio.h>
 #include <linux/iio/sysfs.h>
@@ -68,7 +69,7 @@ static int ad2s1200_read_raw(struct iio_dev *indio_dev,
 		break;
 	case IIO_ANGL_VEL:
 		vel = (((s16)(st->rx[0])) << 4) | ((st->rx[1] & 0xF0) >> 4);
-		vel = (vel << 4) >> 4;
+		vel = sign_extend32(vel, 11);
 		*val = vel;
 		break;
 	default:
diff --git a/drivers/thermal/int340x_thermal/int3400_thermal.c b/drivers/thermal/int340x_thermal/int3400_thermal.c
index 25d244cbbe8f..031018e7a65b 100644
--- a/drivers/thermal/int340x_thermal/int3400_thermal.c
+++ b/drivers/thermal/int340x_thermal/int3400_thermal.c
@@ -262,13 +262,12 @@ static int int3400_thermal_probe(struct platform_device *pdev)
 	result = acpi_parse_art(priv->adev->handle, &priv->art_count,
 				&priv->arts, true);
 	if (result)
-		goto free_priv;
-
+		dev_dbg(&pdev->dev, "_ART table parsing error\n");
 
 	result = acpi_parse_trt(priv->adev->handle, &priv->trt_count,
 				&priv->trts, true);
 	if (result)
-		goto free_art;
+		dev_dbg(&pdev->dev, "_TRT table parsing error\n");
 
 	platform_set_drvdata(pdev, priv);
 
@@ -281,7 +280,7 @@ static int int3400_thermal_probe(struct platform_device *pdev)
 						&int3400_thermal_params, 0, 0);
 	if (IS_ERR(priv->thermal)) {
 		result = PTR_ERR(priv->thermal);
-		goto free_trt;
+		goto free_art_trt;
 	}
 
 	priv->rel_misc_dev_res = acpi_thermal_rel_misc_device_add(
@@ -295,9 +294,8 @@ static int int3400_thermal_probe(struct platform_device *pdev)
 
 free_zone:
 	thermal_zone_device_unregister(priv->thermal);
-free_trt:
+free_art_trt:
 	kfree(priv->trts);
-free_art:
 	kfree(priv->arts);
 free_priv:
 	kfree(priv);
diff --git a/drivers/thermal/int340x_thermal/int340x_thermal_zone.c b/drivers/thermal/int340x_thermal/int340x_thermal_zone.c
index f88b08877025..1e25133d35e2 100644
--- a/drivers/thermal/int340x_thermal/int340x_thermal_zone.c
+++ b/drivers/thermal/int340x_thermal/int340x_thermal_zone.c
@@ -208,7 +208,7 @@ struct int34x_thermal_zone *int340x_thermal_zone_add(struct acpi_device *adev,
 				trip_cnt, GFP_KERNEL);
 		if (!int34x_thermal_zone->aux_trips) {
 			ret = -ENOMEM;
-			goto free_mem;
+			goto err_trip_alloc;
 		}
 		trip_mask = BIT(trip_cnt) - 1;
 		int34x_thermal_zone->aux_trip_nr = trip_cnt;
@@ -248,14 +248,15 @@ struct int34x_thermal_zone *int340x_thermal_zone_add(struct acpi_device *adev,
 						0, 0);
 	if (IS_ERR(int34x_thermal_zone->zone)) {
 		ret = PTR_ERR(int34x_thermal_zone->zone);
-		goto free_lpat;
+		goto err_thermal_zone;
 	}
 
 	return int34x_thermal_zone;
 
-free_lpat:
+err_thermal_zone:
 	acpi_lpat_free_conversion_table(int34x_thermal_zone->lpat_table);
-free_mem:
+	kfree(int34x_thermal_zone->aux_trips);
+err_trip_alloc:
 	kfree(int34x_thermal_zone);
 	return ERR_PTR(ret);
 }
@@ -266,6 +267,7 @@ void int340x_thermal_zone_remove(struct int34x_thermal_zone
 {
 	thermal_zone_device_unregister(int34x_thermal_zone->zone);
 	acpi_lpat_free_conversion_table(int34x_thermal_zone->lpat_table);
+	kfree(int34x_thermal_zone->aux_trips);
 	kfree(int34x_thermal_zone);
 }
 EXPORT_SYMBOL_GPL(int340x_thermal_zone_remove);
diff --git a/drivers/thermal/intel_powerclamp.c b/drivers/thermal/intel_powerclamp.c
index 6ceebd659dd4..12623bc02f46 100644
--- a/drivers/thermal/intel_powerclamp.c
+++ b/drivers/thermal/intel_powerclamp.c
@@ -688,6 +688,7 @@ static const struct x86_cpu_id intel_powerclamp_ids[] = {
 	{ X86_VENDOR_INTEL, 6, 0x45},
 	{ X86_VENDOR_INTEL, 6, 0x46},
 	{ X86_VENDOR_INTEL, 6, 0x4c},
+	{ X86_VENDOR_INTEL, 6, 0x4d},
 	{ X86_VENDOR_INTEL, 6, 0x56},
 	{}
 };
diff --git a/drivers/thermal/rcar_thermal.c b/drivers/thermal/rcar_thermal.c
index 2580a4872f90..fe4e767018c4 100644
--- a/drivers/thermal/rcar_thermal.c
+++ b/drivers/thermal/rcar_thermal.c
@@ -387,21 +387,9 @@ static int rcar_thermal_probe(struct platform_device *pdev)
 
 	irq = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
 	if (irq) {
-		int ret;
-
 		/*
 		 * platform has IRQ support.
 		 * Then, driver uses common registers
-		 */
-
-		ret = devm_request_irq(dev, irq->start, rcar_thermal_irq, 0,
-				       dev_name(dev), common);
-		if (ret) {
-			dev_err(dev, "irq request failed\n ");
-			return ret;
-		}
-
-		/*
 		 * rcar_has_irq_support() will be enabled
 		 */
 		res = platform_get_resource(pdev, IORESOURCE_MEM, mres++);
@@ -456,8 +444,16 @@ static int rcar_thermal_probe(struct platform_device *pdev)
 	}
 
 	/* enable temperature comparation */
-	if (irq)
+	if (irq) {
+		ret = devm_request_irq(dev, irq->start, rcar_thermal_irq, 0,
+				       dev_name(dev), common);
+		if (ret) {
+			dev_err(dev, "irq request failed\n ");
+			goto error_unregister;
+		}
+
 		rcar_thermal_common_write(common, ENR, enr_bits);
+	}
 
 	platform_set_drvdata(pdev, common);
 
@@ -467,9 +463,9 @@ static int rcar_thermal_probe(struct platform_device *pdev)
 
 error_unregister:
 	rcar_thermal_for_each_priv(priv, common) {
-		thermal_zone_device_unregister(priv->zone);
 		if (rcar_has_irq_support(priv))
 			rcar_thermal_irq_disable(priv);
+		thermal_zone_device_unregister(priv->zone);
 	}
 
 	pm_runtime_put(dev);
@@ -485,9 +481,9 @@ static int rcar_thermal_remove(struct platform_device *pdev)
 	struct rcar_thermal_priv *priv;
 
 	rcar_thermal_for_each_priv(priv, common) {
-		thermal_zone_device_unregister(priv->zone);
 		if (rcar_has_irq_support(priv))
 			rcar_thermal_irq_disable(priv);
+		thermal_zone_device_unregister(priv->zone);
 	}
 
 	pm_runtime_put(dev);
diff --git a/drivers/thermal/samsung/exynos_tmu.c b/drivers/thermal/samsung/exynos_tmu.c
index 933cd80a6bc5..1d30b0975651 100644
--- a/drivers/thermal/samsung/exynos_tmu.c
+++ b/drivers/thermal/samsung/exynos_tmu.c
@@ -682,6 +682,7 @@ static void exynos7_tmu_control(struct platform_device *pdev, bool on)
 
 	if (on) {
 		con |= (1 << EXYNOS_TMU_CORE_EN_SHIFT);
+		con |= (1 << EXYNOS7_PD_DET_EN_SHIFT);
 		interrupt_en =
 			(of_thermal_is_trip_valid(tz, 7)
 			<< EXYNOS7_TMU_INTEN_RISE7_SHIFT) |
@@ -704,9 +705,9 @@ static void exynos7_tmu_control(struct platform_device *pdev, bool on)
 			interrupt_en << EXYNOS_TMU_INTEN_FALL0_SHIFT;
 	} else {
 		con &= ~(1 << EXYNOS_TMU_CORE_EN_SHIFT);
+		con &= ~(1 << EXYNOS7_PD_DET_EN_SHIFT);
 		interrupt_en = 0; /* Disable all interrupts */
 	}
-	con |= 1 << EXYNOS7_PD_DET_EN_SHIFT;
 
 	writel(interrupt_en, data->base + EXYNOS7_TMU_REG_INTEN);
 	writel(con, data->base + EXYNOS_TMU_REG_CONTROL);
@@ -918,34 +919,16 @@ static irqreturn_t exynos_tmu_irq(int irq, void *id)
 }
 
 static const struct of_device_id exynos_tmu_match[] = {
-	{
-		.compatible = "samsung,exynos3250-tmu",
-	},
-	{
-		.compatible = "samsung,exynos4210-tmu",
-	},
-	{
-		.compatible = "samsung,exynos4412-tmu",
-	},
-	{
-		.compatible = "samsung,exynos5250-tmu",
-	},
-	{
-		.compatible = "samsung,exynos5260-tmu",
-	},
-	{
-		.compatible = "samsung,exynos5420-tmu",
-	},
-	{
-		.compatible = "samsung,exynos5420-tmu-ext-triminfo",
-	},
-	{
-		.compatible = "samsung,exynos5440-tmu",
-	},
-	{
-		.compatible = "samsung,exynos7-tmu",
-	},
-	{},
+	{ .compatible = "samsung,exynos3250-tmu", },
+	{ .compatible = "samsung,exynos4210-tmu", },
+	{ .compatible = "samsung,exynos4412-tmu", },
+	{ .compatible = "samsung,exynos5250-tmu", },
+	{ .compatible = "samsung,exynos5260-tmu", },
+	{ .compatible = "samsung,exynos5420-tmu", },
+	{ .compatible = "samsung,exynos5420-tmu-ext-triminfo", },
+	{ .compatible = "samsung,exynos5440-tmu", },
+	{ .compatible = "samsung,exynos7-tmu", },
+	{ /* sentinel */ },
 };
 MODULE_DEVICE_TABLE(of, exynos_tmu_match);
 
diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c
index 48491d1a81d6..174d3bcf8bd7 100644
--- a/drivers/thermal/thermal_core.c
+++ b/drivers/thermal/thermal_core.c
@@ -899,6 +899,22 @@ thermal_cooling_device_trip_point_show(struct device *dev,
 		return sprintf(buf, "%d\n", instance->trip);
 }
 
+static struct attribute *cooling_device_attrs[] = {
+	&dev_attr_cdev_type.attr,
+	&dev_attr_max_state.attr,
+	&dev_attr_cur_state.attr,
+	NULL,
+};
+
+static const struct attribute_group cooling_device_attr_group = {
+	.attrs = cooling_device_attrs,
+};
+
+static const struct attribute_group *cooling_device_attr_groups[] = {
+	&cooling_device_attr_group,
+	NULL,
+};
+
 /* Device management */
 
 /**
@@ -1130,6 +1146,7 @@ __thermal_cooling_device_register(struct device_node *np,
 	cdev->ops = ops;
 	cdev->updated = false;
 	cdev->device.class = &thermal_class;
+	cdev->device.groups = cooling_device_attr_groups;
 	cdev->devdata = devdata;
 	dev_set_name(&cdev->device, "cooling_device%d", cdev->id);
 	result = device_register(&cdev->device);
@@ -1139,21 +1156,6 @@ __thermal_cooling_device_register(struct device_node *np,
 		return ERR_PTR(result);
 	}
 
-	/* sys I/F */
-	if (type) {
-		result = device_create_file(&cdev->device, &dev_attr_cdev_type);
-		if (result)
-			goto unregister;
-	}
-
-	result = device_create_file(&cdev->device, &dev_attr_max_state);
-	if (result)
-		goto unregister;
-
-	result = device_create_file(&cdev->device, &dev_attr_cur_state);
-	if (result)
-		goto unregister;
-
 	/* Add 'this' new cdev to the global cdev list */
 	mutex_lock(&thermal_list_lock);
 	list_add(&cdev->node, &thermal_cdev_list);
@@ -1163,11 +1165,6 @@ __thermal_cooling_device_register(struct device_node *np,
 	bind_cdev(cdev);
 
 	return cdev;
-
-unregister:
-	release_idr(&thermal_cdev_idr, &thermal_idr_lock, cdev->id);
-	device_unregister(&cdev->device);
-	return ERR_PTR(result);
 }
 
 /**
diff --git a/drivers/thermal/ti-soc-thermal/ti-bandgap.c b/drivers/thermal/ti-soc-thermal/ti-bandgap.c
index 634b6ce0e63a..62a5d449c388 100644
--- a/drivers/thermal/ti-soc-thermal/ti-bandgap.c
+++ b/drivers/thermal/ti-soc-thermal/ti-bandgap.c
@@ -1402,7 +1402,7 @@ int ti_bandgap_remove(struct platform_device *pdev)
 	return 0;
 }
 
-#ifdef CONFIG_PM
+#ifdef CONFIG_PM_SLEEP
 static int ti_bandgap_save_ctxt(struct ti_bandgap *bgp)
 {
 	int i;
diff --git a/drivers/thermal/ti-soc-thermal/ti-thermal-common.c b/drivers/thermal/ti-soc-thermal/ti-thermal-common.c
index 3fb054a10f6a..a38c1756442a 100644
--- a/drivers/thermal/ti-soc-thermal/ti-thermal-common.c
+++ b/drivers/thermal/ti-soc-thermal/ti-thermal-common.c
@@ -429,7 +429,7 @@ int ti_thermal_unregister_cpu_cooling(struct ti_bandgap *bgp, int id)
 
 	data = ti_bandgap_get_sensor_data(bgp, id);
 
-	if (data && data->cool_dev)
+	if (data)
 		cpufreq_cooling_unregister(data->cool_dev);
 
 	return 0;
diff --git a/drivers/tty/bfin_jtag_comm.c b/drivers/tty/bfin_jtag_comm.c
index d7b198c400c7..ce24182f8514 100644
--- a/drivers/tty/bfin_jtag_comm.c
+++ b/drivers/tty/bfin_jtag_comm.c
@@ -210,18 +210,6 @@ bfin_jc_chars_in_buffer(struct tty_struct *tty)
 	return circ_cnt(&bfin_jc_write_buf);
 }
 
-static void
-bfin_jc_wait_until_sent(struct tty_struct *tty, int timeout)
-{
-	unsigned long expire = jiffies + timeout;
-	while (!circ_empty(&bfin_jc_write_buf)) {
-		if (signal_pending(current))
-			break;
-		if (time_after(jiffies, expire))
-			break;
-	}
-}
-
 static const struct tty_operations bfin_jc_ops = {
 	.open            = bfin_jc_open,
 	.close           = bfin_jc_close,
@@ -230,7 +218,6 @@ static const struct tty_operations bfin_jc_ops = {
 	.flush_chars     = bfin_jc_flush_chars,
 	.write_room      = bfin_jc_write_room,
 	.chars_in_buffer = bfin_jc_chars_in_buffer,
-	.wait_until_sent = bfin_jc_wait_until_sent,
 };
 
 static int __init bfin_jc_init(void)
diff --git a/drivers/tty/serial/8250/8250_core.c b/drivers/tty/serial/8250/8250_core.c
index e3b9570a1eff..deae122c9c4b 100644
--- a/drivers/tty/serial/8250/8250_core.c
+++ b/drivers/tty/serial/8250/8250_core.c
@@ -2138,8 +2138,8 @@ int serial8250_do_startup(struct uart_port *port)
 	/*
 	 * Clear the interrupt registers.
 	 */
-	if (serial_port_in(port, UART_LSR) & UART_LSR_DR)
-		serial_port_in(port, UART_RX);
+	serial_port_in(port, UART_LSR);
+	serial_port_in(port, UART_RX);
 	serial_port_in(port, UART_IIR);
 	serial_port_in(port, UART_MSR);
 
@@ -2300,8 +2300,8 @@ dont_test_tx_en:
 	 * saved flags to avoid getting false values from polling
 	 * routines or the previous session.
 	 */
-	if (serial_port_in(port, UART_LSR) & UART_LSR_DR)
-		serial_port_in(port, UART_RX);
+	serial_port_in(port, UART_LSR);
+	serial_port_in(port, UART_RX);
 	serial_port_in(port, UART_IIR);
 	serial_port_in(port, UART_MSR);
 	up->lsr_saved_flags = 0;
@@ -2394,8 +2394,7 @@ void serial8250_do_shutdown(struct uart_port *port)
 	 * Read data port to reset things, and then unlink from
 	 * the IRQ chain.
 	 */
-	if (serial_port_in(port, UART_LSR) & UART_LSR_DR)
-		serial_port_in(port, UART_RX);
+	serial_port_in(port, UART_RX);
 	serial8250_rpm_put(up);
 
 	del_timer_sync(&up->timer);
diff --git a/drivers/tty/serial/8250/8250_dw.c b/drivers/tty/serial/8250/8250_dw.c
index e60116235836..2ab229ddee38 100644
--- a/drivers/tty/serial/8250/8250_dw.c
+++ b/drivers/tty/serial/8250/8250_dw.c
@@ -59,6 +59,8 @@ struct dw8250_data {
 	u8			usr_reg;
 	int			last_mcr;
 	int			line;
+	int			msr_mask_on;
+	int			msr_mask_off;
 	struct clk		*clk;
 	struct clk		*pclk;
 	struct reset_control	*rst;
@@ -81,6 +83,12 @@ static inline int dw8250_modify_msr(struct uart_port *p, int offset, int value)
 		value &= ~UART_MSR_DCTS;
 	}
 
+	/* Override any modem control signals if needed */
+	if (offset == UART_MSR) {
+		value |= d->msr_mask_on;
+		value &= ~d->msr_mask_off;
+	}
+
 	return value;
 }
 
@@ -334,6 +342,30 @@ static int dw8250_probe_of(struct uart_port *p,
 	if (id >= 0)
 		p->line = id;
 
+	if (of_property_read_bool(np, "dcd-override")) {
+		/* Always report DCD as active */
+		data->msr_mask_on |= UART_MSR_DCD;
+		data->msr_mask_off |= UART_MSR_DDCD;
+	}
+
+	if (of_property_read_bool(np, "dsr-override")) {
+		/* Always report DSR as active */
+		data->msr_mask_on |= UART_MSR_DSR;
+		data->msr_mask_off |= UART_MSR_DDSR;
+	}
+
+	if (of_property_read_bool(np, "cts-override")) {
+		/* Always report DSR as active */
+		data->msr_mask_on |= UART_MSR_DSR;
+		data->msr_mask_off |= UART_MSR_DDSR;
+	}
+
+	if (of_property_read_bool(np, "ri-override")) {
+		/* Always report Ring indicator as inactive */
+		data->msr_mask_off |= UART_MSR_RI;
+		data->msr_mask_off |= UART_MSR_TERI;
+	}
+
 	/* clock got configured through clk api, all done */
 	if (p->uartclk)
 		return 0;
diff --git a/drivers/tty/serial/8250/8250_pci.c b/drivers/tty/serial/8250/8250_pci.c
index daf2c82984e9..892eb32cdef4 100644
--- a/drivers/tty/serial/8250/8250_pci.c
+++ b/drivers/tty/serial/8250/8250_pci.c
@@ -69,7 +69,7 @@ static void moan_device(const char *str, struct pci_dev *dev)
 	       "Please send the output of lspci -vv, this\n"
 	       "message (0x%04x,0x%04x,0x%04x,0x%04x), the\n"
 	       "manufacturer and name of serial board or\n"
-	       "modem board to rmk+serial@arm.linux.org.uk.\n",
+	       "modem board to <linux-serial@vger.kernel.org>.\n",
 	       pci_name(dev), str, dev->vendor, dev->device,
 	       dev->subsystem_vendor, dev->subsystem_device);
 }
@@ -1989,13 +1989,6 @@ static struct pci_serial_quirk pci_serial_quirks[] __refdata = {
 	},
 	{
 		.vendor		= PCI_VENDOR_ID_INTEL,
-		.device		= PCI_DEVICE_ID_INTEL_QRK_UART,
-		.subvendor	= PCI_ANY_ID,
-		.subdevice	= PCI_ANY_ID,
-		.setup		= pci_default_setup,
-	},
-	{
-		.vendor		= PCI_VENDOR_ID_INTEL,
 		.device		= PCI_DEVICE_ID_INTEL_BSW_UART1,
 		.subvendor	= PCI_ANY_ID,
 		.subdevice	= PCI_ANY_ID,
@@ -2201,13 +2194,6 @@ static struct pci_serial_quirk pci_serial_quirks[] __refdata = {
 	 */
 	{
 		.vendor		= PCI_VENDOR_ID_PLX,
-		.device		= PCI_DEVICE_ID_PLX_9030,
-		.subvendor	= PCI_SUBVENDOR_ID_PERLE,
-		.subdevice	= PCI_ANY_ID,
-		.setup		= pci_default_setup,
-	},
-	{
-		.vendor		= PCI_VENDOR_ID_PLX,
 		.device		= PCI_DEVICE_ID_PLX_9050,
 		.subvendor	= PCI_SUBVENDOR_ID_EXSYS,
 		.subdevice	= PCI_SUBDEVICE_ID_EXSYS_4055,
@@ -5415,10 +5401,6 @@ static struct pci_device_id serial_pci_tbl[] = {
 		PCI_ANY_ID, PCI_ANY_ID,
 		0, 0, pbn_b0_bt_2_115200 },
 
-	{	PCI_VENDOR_ID_WCH, PCI_DEVICE_ID_WCH_CH352_2S,
-		PCI_ANY_ID, PCI_ANY_ID,
-		0, 0, pbn_b0_bt_2_115200 },
-
 	{	PCIE_VENDOR_ID_WCH, PCIE_DEVICE_ID_WCH_CH384_4S,
 		PCI_ANY_ID, PCI_ANY_ID,
 		0, 0, pbn_wch384_4 },
diff --git a/drivers/tty/serial/atmel_serial.c b/drivers/tty/serial/atmel_serial.c
index 846552bff67d..4e959c43f680 100644
--- a/drivers/tty/serial/atmel_serial.c
+++ b/drivers/tty/serial/atmel_serial.c
@@ -47,6 +47,7 @@
 #include <linux/gpio/consumer.h>
 #include <linux/err.h>
 #include <linux/irq.h>
+#include <linux/suspend.h>
 
 #include <asm/io.h>
 #include <asm/ioctls.h>
@@ -173,6 +174,12 @@ struct atmel_uart_port {
 	bool			ms_irq_enabled;
 	bool			is_usart;	/* usart or uart */
 	struct timer_list	uart_timer;	/* uart timer */
+
+	bool			suspended;
+	unsigned int		pending;
+	unsigned int		pending_status;
+	spinlock_t		lock_suspended;
+
 	int (*prepare_rx)(struct uart_port *port);
 	int (*prepare_tx)(struct uart_port *port);
 	void (*schedule_rx)(struct uart_port *port);
@@ -1179,12 +1186,15 @@ static irqreturn_t atmel_interrupt(int irq, void *dev_id)
 {
 	struct uart_port *port = dev_id;
 	struct atmel_uart_port *atmel_port = to_atmel_uart_port(port);
-	unsigned int status, pending, pass_counter = 0;
+	unsigned int status, pending, mask, pass_counter = 0;
 	bool gpio_handled = false;
 
+	spin_lock(&atmel_port->lock_suspended);
+
 	do {
 		status = atmel_get_lines_status(port);
-		pending = status & UART_GET_IMR(port);
+		mask = UART_GET_IMR(port);
+		pending = status & mask;
 		if (!gpio_handled) {
 			/*
 			 * Dealing with GPIO interrupt
@@ -1206,11 +1216,21 @@ static irqreturn_t atmel_interrupt(int irq, void *dev_id)
 		if (!pending)
 			break;
 
+		if (atmel_port->suspended) {
+			atmel_port->pending |= pending;
+			atmel_port->pending_status = status;
+			UART_PUT_IDR(port, mask);
+			pm_system_wakeup();
+			break;
+		}
+
 		atmel_handle_receive(port, pending);
 		atmel_handle_status(port, pending, status);
 		atmel_handle_transmit(port, pending);
 	} while (pass_counter++ < ATMEL_ISR_PASS_LIMIT);
 
+	spin_unlock(&atmel_port->lock_suspended);
+
 	return pass_counter ? IRQ_HANDLED : IRQ_NONE;
 }
 
@@ -1742,7 +1762,8 @@ static int atmel_startup(struct uart_port *port)
 	/*
 	 * Allocate the IRQ
 	 */
-	retval = request_irq(port->irq, atmel_interrupt, IRQF_SHARED,
+	retval = request_irq(port->irq, atmel_interrupt,
+			IRQF_SHARED | IRQF_COND_SUSPEND,
 			tty ? tty->name : "atmel_serial", port);
 	if (retval) {
 		dev_err(port->dev, "atmel_startup - Can't get irq\n");
@@ -2513,8 +2534,14 @@ static int atmel_serial_suspend(struct platform_device *pdev,
 
 	/* we can not wake up if we're running on slow clock */
 	atmel_port->may_wakeup = device_may_wakeup(&pdev->dev);
-	if (atmel_serial_clk_will_stop())
+	if (atmel_serial_clk_will_stop()) {
+		unsigned long flags;
+
+		spin_lock_irqsave(&atmel_port->lock_suspended, flags);
+		atmel_port->suspended = true;
+		spin_unlock_irqrestore(&atmel_port->lock_suspended, flags);
 		device_set_wakeup_enable(&pdev->dev, 0);
+	}
 
 	uart_suspend_port(&atmel_uart, port);
 
@@ -2525,6 +2552,18 @@ static int atmel_serial_resume(struct platform_device *pdev)
 {
 	struct uart_port *port = platform_get_drvdata(pdev);
 	struct atmel_uart_port *atmel_port = to_atmel_uart_port(port);
+	unsigned long flags;
+
+	spin_lock_irqsave(&atmel_port->lock_suspended, flags);
+	if (atmel_port->pending) {
+		atmel_handle_receive(port, atmel_port->pending);
+		atmel_handle_status(port, atmel_port->pending,
+				    atmel_port->pending_status);
+		atmel_handle_transmit(port, atmel_port->pending);
+		atmel_port->pending = 0;
+	}
+	atmel_port->suspended = false;
+	spin_unlock_irqrestore(&atmel_port->lock_suspended, flags);
 
 	uart_resume_port(&atmel_uart, port);
 	device_set_wakeup_enable(&pdev->dev, atmel_port->may_wakeup);
@@ -2593,6 +2632,8 @@ static int atmel_serial_probe(struct platform_device *pdev)
 	port->backup_imr = 0;
 	port->uart.line = ret;
 
+	spin_lock_init(&port->lock_suspended);
+
 	ret = atmel_init_gpios(port, &pdev->dev);
 	if (ret < 0)
 		dev_err(&pdev->dev, "%s",
diff --git a/drivers/tty/serial/of_serial.c b/drivers/tty/serial/of_serial.c
index 7ff61e24a195..33fb94f78967 100644
--- a/drivers/tty/serial/of_serial.c
+++ b/drivers/tty/serial/of_serial.c
@@ -133,10 +133,6 @@ static int of_platform_serial_setup(struct platform_device *ofdev,
 	if (of_find_property(np, "no-loopback-test", NULL))
 		port->flags |= UPF_SKIP_TEST;
 
-	ret = of_alias_get_id(np, "serial");
-	if (ret >= 0)
-		port->line = ret;
-
 	port->dev = &ofdev->dev;
 
 	switch (type) {
diff --git a/drivers/tty/serial/sprd_serial.c b/drivers/tty/serial/sprd_serial.c
index 594b63331ef4..bca975f5093b 100644
--- a/drivers/tty/serial/sprd_serial.c
+++ b/drivers/tty/serial/sprd_serial.c
@@ -293,8 +293,10 @@ static irqreturn_t sprd_handle_irq(int irq, void *dev_id)
 
 	ims = serial_in(port, SPRD_IMSR);
 
-	if (!ims)
+	if (!ims) {
+		spin_unlock(&port->lock);
 		return IRQ_NONE;
+	}
 
 	serial_out(port, SPRD_ICLR, ~0);
 
diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c
index 51f066aa375e..2bb4dfc02873 100644
--- a/drivers/tty/tty_io.c
+++ b/drivers/tty/tty_io.c
@@ -1028,8 +1028,8 @@ EXPORT_SYMBOL(start_tty);
 /* We limit tty time update visibility to every 8 seconds or so. */
 static void tty_update_time(struct timespec *time)
 {
-	unsigned long sec = get_seconds() & ~7;
-	if ((long)(sec - time->tv_sec) > 0)
+	unsigned long sec = get_seconds();
+	if (abs(sec - time->tv_sec) & ~7)
 		time->tv_sec = sec;
 }
 
diff --git a/drivers/tty/tty_ioctl.c b/drivers/tty/tty_ioctl.c
index a5cf253b2544..632fc8152061 100644
--- a/drivers/tty/tty_ioctl.c
+++ b/drivers/tty/tty_ioctl.c
@@ -217,11 +217,17 @@ void tty_wait_until_sent(struct tty_struct *tty, long timeout)
 #endif
 	if (!timeout)
 		timeout = MAX_SCHEDULE_TIMEOUT;
-	if (wait_event_interruptible_timeout(tty->write_wait,
-			!tty_chars_in_buffer(tty), timeout) >= 0) {
-		if (tty->ops->wait_until_sent)
-			tty->ops->wait_until_sent(tty, timeout);
-	}
+
+	timeout = wait_event_interruptible_timeout(tty->write_wait,
+			!tty_chars_in_buffer(tty), timeout);
+	if (timeout <= 0)
+		return;
+
+	if (timeout == MAX_SCHEDULE_TIMEOUT)
+		timeout = 0;
+
+	if (tty->ops->wait_until_sent)
+		tty->ops->wait_until_sent(tty, timeout);
 }
 EXPORT_SYMBOL(tty_wait_until_sent);
 
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index e78720b59d67..683617714e7c 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -1650,6 +1650,8 @@ static int acm_reset_resume(struct usb_interface *intf)
 
 static const struct usb_device_id acm_ids[] = {
 	/* quirky and broken devices */
+	{ USB_DEVICE(0x076d, 0x0006), /* Denso Cradle CU-321 */
+	.driver_info = NO_UNION_NORMAL, },/* has no union descriptor */
 	{ USB_DEVICE(0x17ef, 0x7000), /* Lenovo USB modem */
 	.driver_info = NO_UNION_NORMAL, },/* has no union descriptor */
 	{ USB_DEVICE(0x0870, 0x0001), /* Metricom GS Modem */
diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c
index 66abdbcfbfa5..11635537c052 100644
--- a/drivers/usb/core/devio.c
+++ b/drivers/usb/core/devio.c
@@ -501,6 +501,7 @@ static void async_completed(struct urb *urb)
 	as->status = urb->status;
 	signr = as->signr;
 	if (signr) {
+		memset(&sinfo, 0, sizeof(sinfo));
 		sinfo.si_signo = as->signr;
 		sinfo.si_errno = as->status;
 		sinfo.si_code = SI_ASYNCIO;
@@ -2382,6 +2383,7 @@ static void usbdev_remove(struct usb_device *udev)
 		wake_up_all(&ps->wait);
 		list_del_init(&ps->list);
 		if (ps->discsignr) {
+			memset(&sinfo, 0, sizeof(sinfo));
 			sinfo.si_signo = ps->discsignr;
 			sinfo.si_errno = EPIPE;
 			sinfo.si_code = SI_ASYNCIO;
diff --git a/drivers/usb/dwc3/dwc3-omap.c b/drivers/usb/dwc3/dwc3-omap.c
index 172d64e585b6..52e0c4e5e48e 100644
--- a/drivers/usb/dwc3/dwc3-omap.c
+++ b/drivers/usb/dwc3/dwc3-omap.c
@@ -205,6 +205,18 @@ static void dwc3_omap_write_irq0_set(struct dwc3_omap *omap, u32 value)
 						omap->irq0_offset, value);
 }
 
+static void dwc3_omap_write_irqmisc_clr(struct dwc3_omap *omap, u32 value)
+{
+	dwc3_omap_writel(omap->base, USBOTGSS_IRQENABLE_CLR_MISC +
+						omap->irqmisc_offset, value);
+}
+
+static void dwc3_omap_write_irq0_clr(struct dwc3_omap *omap, u32 value)
+{
+	dwc3_omap_writel(omap->base, USBOTGSS_IRQENABLE_CLR_0 -
+						omap->irq0_offset, value);
+}
+
 static void dwc3_omap_set_mailbox(struct dwc3_omap *omap,
 	enum omap_dwc3_vbus_id_status status)
 {
@@ -345,9 +357,23 @@ static void dwc3_omap_enable_irqs(struct dwc3_omap *omap)
 
 static void dwc3_omap_disable_irqs(struct dwc3_omap *omap)
 {
+	u32			reg;
+
 	/* disable all IRQs */
-	dwc3_omap_write_irqmisc_set(omap, 0x00);
-	dwc3_omap_write_irq0_set(omap, 0x00);
+	reg = USBOTGSS_IRQO_COREIRQ_ST;
+	dwc3_omap_write_irq0_clr(omap, reg);
+
+	reg = (USBOTGSS_IRQMISC_OEVT |
+			USBOTGSS_IRQMISC_DRVVBUS_RISE |
+			USBOTGSS_IRQMISC_CHRGVBUS_RISE |
+			USBOTGSS_IRQMISC_DISCHRGVBUS_RISE |
+			USBOTGSS_IRQMISC_IDPULLUP_RISE |
+			USBOTGSS_IRQMISC_DRVVBUS_FALL |
+			USBOTGSS_IRQMISC_CHRGVBUS_FALL |
+			USBOTGSS_IRQMISC_DISCHRGVBUS_FALL |
+			USBOTGSS_IRQMISC_IDPULLUP_FALL);
+
+	dwc3_omap_write_irqmisc_clr(omap, reg);
 }
 
 static u64 dwc3_omap_dma_mask = DMA_BIT_MASK(32);
diff --git a/drivers/usb/gadget/configfs.c b/drivers/usb/gadget/configfs.c
index 75648145dc1b..c42765b3a060 100644
--- a/drivers/usb/gadget/configfs.c
+++ b/drivers/usb/gadget/configfs.c
@@ -1161,7 +1161,6 @@ static ssize_t interf_grp_compatible_id_store(struct usb_os_desc *desc,
 	if (desc->opts_mutex)
 		mutex_lock(desc->opts_mutex);
 	memcpy(desc->ext_compat_id, page, l);
-	desc->ext_compat_id[l] = '\0';
 
 	if (desc->opts_mutex)
 		mutex_unlock(desc->opts_mutex);
@@ -1192,7 +1191,6 @@ static ssize_t interf_grp_sub_compatible_id_store(struct usb_os_desc *desc,
 	if (desc->opts_mutex)
 		mutex_lock(desc->opts_mutex);
 	memcpy(desc->ext_compat_id + 8, page, l);
-	desc->ext_compat_id[l + 8] = '\0';
 
 	if (desc->opts_mutex)
 		mutex_unlock(desc->opts_mutex);
diff --git a/drivers/usb/gadget/function/f_fs.c b/drivers/usb/gadget/function/f_fs.c
index af98b096af2f..175c9956cbe3 100644
--- a/drivers/usb/gadget/function/f_fs.c
+++ b/drivers/usb/gadget/function/f_fs.c
@@ -144,10 +144,9 @@ struct ffs_io_data {
 	bool read;
 
 	struct kiocb *kiocb;
-	const struct iovec *iovec;
-	unsigned long nr_segs;
-	char __user *buf;
-	size_t len;
+	struct iov_iter data;
+	const void *to_free;
+	char *buf;
 
 	struct mm_struct *mm;
 	struct work_struct work;
@@ -649,29 +648,10 @@ static void ffs_user_copy_worker(struct work_struct *work)
 					 io_data->req->actual;
 
 	if (io_data->read && ret > 0) {
-		int i;
-		size_t pos = 0;
-
-		/*
-		 * Since req->length may be bigger than io_data->len (after
-		 * being rounded up to maxpacketsize), we may end up with more
-		 * data then user space has space for.
-		 */
-		ret = min_t(int, ret, io_data->len);
-
 		use_mm(io_data->mm);
-		for (i = 0; i < io_data->nr_segs; i++) {
-			size_t len = min_t(size_t, ret - pos,
-					io_data->iovec[i].iov_len);
-			if (!len)
-				break;
-			if (unlikely(copy_to_user(io_data->iovec[i].iov_base,
-						 &io_data->buf[pos], len))) {
-				ret = -EFAULT;
-				break;
-			}
-			pos += len;
-		}
+		ret = copy_to_iter(io_data->buf, ret, &io_data->data);
+		if (iov_iter_count(&io_data->data))
+			ret = -EFAULT;
 		unuse_mm(io_data->mm);
 	}
 
@@ -684,7 +664,7 @@ static void ffs_user_copy_worker(struct work_struct *work)
 
 	io_data->kiocb->private = NULL;
 	if (io_data->read)
-		kfree(io_data->iovec);
+		kfree(io_data->to_free);
 	kfree(io_data->buf);
 	kfree(io_data);
 }
@@ -743,6 +723,7 @@ static ssize_t ffs_epfile_io(struct file *file, struct ffs_io_data *io_data)
 		 * before the waiting completes, so do not assign to 'gadget' earlier
 		 */
 		struct usb_gadget *gadget = epfile->ffs->gadget;
+		size_t copied;
 
 		spin_lock_irq(&epfile->ffs->eps_lock);
 		/* In the meantime, endpoint got disabled or changed. */
@@ -750,34 +731,21 @@ static ssize_t ffs_epfile_io(struct file *file, struct ffs_io_data *io_data)
 			spin_unlock_irq(&epfile->ffs->eps_lock);
 			return -ESHUTDOWN;
 		}
+		data_len = iov_iter_count(&io_data->data);
 		/*
 		 * Controller may require buffer size to be aligned to
 		 * maxpacketsize of an out endpoint.
 		 */
-		data_len = io_data->read ?
-			   usb_ep_align_maybe(gadget, ep->ep, io_data->len) :
-			   io_data->len;
+		if (io_data->read)
+			data_len = usb_ep_align_maybe(gadget, ep->ep, data_len);
 		spin_unlock_irq(&epfile->ffs->eps_lock);
 
 		data = kmalloc(data_len, GFP_KERNEL);
 		if (unlikely(!data))
 			return -ENOMEM;
-		if (io_data->aio && !io_data->read) {
-			int i;
-			size_t pos = 0;
-			for (i = 0; i < io_data->nr_segs; i++) {
-				if (unlikely(copy_from_user(&data[pos],
-					     io_data->iovec[i].iov_base,
-					     io_data->iovec[i].iov_len))) {
-					ret = -EFAULT;
-					goto error;
-				}
-				pos += io_data->iovec[i].iov_len;
-			}
-		} else {
-			if (!io_data->read &&
-			    unlikely(__copy_from_user(data, io_data->buf,
-						      io_data->len))) {
+		if (!io_data->read) {
+			copied = copy_from_iter(data, data_len, &io_data->data);
+			if (copied != data_len) {
 				ret = -EFAULT;
 				goto error;
 			}
@@ -876,10 +844,8 @@ static ssize_t ffs_epfile_io(struct file *file, struct ffs_io_data *io_data)
 				 */
 				ret = ep->status;
 				if (io_data->read && ret > 0) {
-					ret = min_t(size_t, ret, io_data->len);
-
-					if (unlikely(copy_to_user(io_data->buf,
-						data, ret)))
+					ret = copy_to_iter(data, ret, &io_data->data);
+					if (unlikely(iov_iter_count(&io_data->data)))
 						ret = -EFAULT;
 				}
 			}
@@ -898,37 +864,6 @@ error:
 	return ret;
 }
 
-static ssize_t
-ffs_epfile_write(struct file *file, const char __user *buf, size_t len,
-		 loff_t *ptr)
-{
-	struct ffs_io_data io_data;
-
-	ENTER();
-
-	io_data.aio = false;
-	io_data.read = false;
-	io_data.buf = (char * __user)buf;
-	io_data.len = len;
-
-	return ffs_epfile_io(file, &io_data);
-}
-
-static ssize_t
-ffs_epfile_read(struct file *file, char __user *buf, size_t len, loff_t *ptr)
-{
-	struct ffs_io_data io_data;
-
-	ENTER();
-
-	io_data.aio = false;
-	io_data.read = true;
-	io_data.buf = buf;
-	io_data.len = len;
-
-	return ffs_epfile_io(file, &io_data);
-}
-
 static int
 ffs_epfile_open(struct inode *inode, struct file *file)
 {
@@ -965,67 +900,86 @@ static int ffs_aio_cancel(struct kiocb *kiocb)
 	return value;
 }
 
-static ssize_t ffs_epfile_aio_write(struct kiocb *kiocb,
-				    const struct iovec *iovec,
-				    unsigned long nr_segs, loff_t loff)
+static ssize_t ffs_epfile_write_iter(struct kiocb *kiocb, struct iov_iter *from)
 {
-	struct ffs_io_data *io_data;
+	struct ffs_io_data io_data, *p = &io_data;
+	ssize_t res;
 
 	ENTER();
 
-	io_data = kmalloc(sizeof(*io_data), GFP_KERNEL);
-	if (unlikely(!io_data))
-		return -ENOMEM;
+	if (!is_sync_kiocb(kiocb)) {
+		p = kmalloc(sizeof(io_data), GFP_KERNEL);
+		if (unlikely(!p))
+			return -ENOMEM;
+		p->aio = true;
+	} else {
+		p->aio = false;
+	}
 
-	io_data->aio = true;
-	io_data->read = false;
-	io_data->kiocb = kiocb;
-	io_data->iovec = iovec;
-	io_data->nr_segs = nr_segs;
-	io_data->len = kiocb->ki_nbytes;
-	io_data->mm = current->mm;
+	p->read = false;
+	p->kiocb = kiocb;
+	p->data = *from;
+	p->mm = current->mm;
 
-	kiocb->private = io_data;
+	kiocb->private = p;
 
 	kiocb_set_cancel_fn(kiocb, ffs_aio_cancel);
 
-	return ffs_epfile_io(kiocb->ki_filp, io_data);
+	res = ffs_epfile_io(kiocb->ki_filp, p);
+	if (res == -EIOCBQUEUED)
+		return res;
+	if (p->aio)
+		kfree(p);
+	else
+		*from = p->data;
+	return res;
 }
 
-static ssize_t ffs_epfile_aio_read(struct kiocb *kiocb,
-				   const struct iovec *iovec,
-				   unsigned long nr_segs, loff_t loff)
+static ssize_t ffs_epfile_read_iter(struct kiocb *kiocb, struct iov_iter *to)
 {
-	struct ffs_io_data *io_data;
-	struct iovec *iovec_copy;
+	struct ffs_io_data io_data, *p = &io_data;
+	ssize_t res;
 
 	ENTER();
 
-	iovec_copy = kmalloc_array(nr_segs, sizeof(*iovec_copy), GFP_KERNEL);
-	if (unlikely(!iovec_copy))
-		return -ENOMEM;
-
-	memcpy(iovec_copy, iovec, sizeof(struct iovec)*nr_segs);
-
-	io_data = kmalloc(sizeof(*io_data), GFP_KERNEL);
-	if (unlikely(!io_data)) {
-		kfree(iovec_copy);
-		return -ENOMEM;
+	if (!is_sync_kiocb(kiocb)) {
+		p = kmalloc(sizeof(io_data), GFP_KERNEL);
+		if (unlikely(!p))
+			return -ENOMEM;
+		p->aio = true;
+	} else {
+		p->aio = false;
 	}
 
-	io_data->aio = true;
-	io_data->read = true;
-	io_data->kiocb = kiocb;
-	io_data->iovec = iovec_copy;
-	io_data->nr_segs = nr_segs;
-	io_data->len = kiocb->ki_nbytes;
-	io_data->mm = current->mm;
+	p->read = true;
+	p->kiocb = kiocb;
+	if (p->aio) {
+		p->to_free = dup_iter(&p->data, to, GFP_KERNEL);
+		if (!p->to_free) {
+			kfree(p);
+			return -ENOMEM;
+		}
+	} else {
+		p->data = *to;
+		p->to_free = NULL;
+	}
+	p->mm = current->mm;
 
-	kiocb->private = io_data;
+	kiocb->private = p;
 
 	kiocb_set_cancel_fn(kiocb, ffs_aio_cancel);
 
-	return ffs_epfile_io(kiocb->ki_filp, io_data);
+	res = ffs_epfile_io(kiocb->ki_filp, p);
+	if (res == -EIOCBQUEUED)
+		return res;
+
+	if (p->aio) {
+		kfree(p->to_free);
+		kfree(p);
+	} else {
+		*to = p->data;
+	}
+	return res;
 }
 
 static int
@@ -1105,10 +1059,10 @@ static const struct file_operations ffs_epfile_operations = {
 	.llseek =	no_llseek,
 
 	.open =		ffs_epfile_open,
-	.write =	ffs_epfile_write,
-	.read =		ffs_epfile_read,
-	.aio_write =	ffs_epfile_aio_write,
-	.aio_read =	ffs_epfile_aio_read,
+	.write =	new_sync_write,
+	.read =		new_sync_read,
+	.write_iter =	ffs_epfile_write_iter,
+	.read_iter =	ffs_epfile_read_iter,
 	.release =	ffs_epfile_release,
 	.unlocked_ioctl =	ffs_epfile_ioctl,
 };
diff --git a/drivers/usb/gadget/function/f_hid.c b/drivers/usb/gadget/function/f_hid.c
index 426d69a9c018..a2612fb79eff 100644
--- a/drivers/usb/gadget/function/f_hid.c
+++ b/drivers/usb/gadget/function/f_hid.c
@@ -569,7 +569,7 @@ fail:
 	return status;
 }
 
-const struct file_operations f_hidg_fops = {
+static const struct file_operations f_hidg_fops = {
 	.owner		= THIS_MODULE,
 	.open		= f_hidg_open,
 	.release	= f_hidg_release,
diff --git a/drivers/usb/gadget/function/f_phonet.c b/drivers/usb/gadget/function/f_phonet.c
index c89e96cfa3e4..c0c3ef272714 100644
--- a/drivers/usb/gadget/function/f_phonet.c
+++ b/drivers/usb/gadget/function/f_phonet.c
@@ -417,7 +417,10 @@ static int pn_set_alt(struct usb_function *f, unsigned intf, unsigned alt)
 			return -EINVAL;
 
 		spin_lock(&port->lock);
-		__pn_reset(f);
+
+		if (fp->in_ep->driver_data)
+			__pn_reset(f);
+
 		if (alt == 1) {
 			int i;
 
diff --git a/drivers/usb/gadget/function/f_sourcesink.c b/drivers/usb/gadget/function/f_sourcesink.c
index e07c50ced64d..e3dae47baef3 100644
--- a/drivers/usb/gadget/function/f_sourcesink.c
+++ b/drivers/usb/gadget/function/f_sourcesink.c
@@ -344,7 +344,7 @@ static struct usb_endpoint_descriptor ss_int_source_desc = {
 	.bInterval =		USB_MS_TO_SS_INTERVAL(GZERO_INT_INTERVAL),
 };
 
-struct usb_ss_ep_comp_descriptor ss_int_source_comp_desc = {
+static struct usb_ss_ep_comp_descriptor ss_int_source_comp_desc = {
 	.bLength =		USB_DT_SS_EP_COMP_SIZE,
 	.bDescriptorType =	USB_DT_SS_ENDPOINT_COMP,
 
@@ -362,7 +362,7 @@ static struct usb_endpoint_descriptor ss_int_sink_desc = {
 	.bInterval =		USB_MS_TO_SS_INTERVAL(GZERO_INT_INTERVAL),
 };
 
-struct usb_ss_ep_comp_descriptor ss_int_sink_comp_desc = {
+static struct usb_ss_ep_comp_descriptor ss_int_sink_comp_desc = {
 	.bLength =		USB_DT_SS_EP_COMP_SIZE,
 	.bDescriptorType =	USB_DT_SS_ENDPOINT_COMP,
 
diff --git a/drivers/usb/gadget/function/f_uac2.c b/drivers/usb/gadget/function/f_uac2.c
index 33e16658e5cf..6d3eb8b00a48 100644
--- a/drivers/usb/gadget/function/f_uac2.c
+++ b/drivers/usb/gadget/function/f_uac2.c
@@ -54,7 +54,7 @@
 #define UNFLW_CTRL	8
 #define OVFLW_CTRL	10
 
-const char *uac2_name = "snd_uac2";
+static const char *uac2_name = "snd_uac2";
 
 struct uac2_req {
 	struct uac2_rtd_params *pp; /* parent param */
@@ -634,7 +634,7 @@ static struct usb_interface_descriptor std_ac_if_desc = {
 };
 
 /* Clock source for IN traffic */
-struct uac_clock_source_descriptor in_clk_src_desc = {
+static struct uac_clock_source_descriptor in_clk_src_desc = {
 	.bLength = sizeof in_clk_src_desc,
 	.bDescriptorType = USB_DT_CS_INTERFACE,
 
@@ -646,7 +646,7 @@ struct uac_clock_source_descriptor in_clk_src_desc = {
 };
 
 /* Clock source for OUT traffic */
-struct uac_clock_source_descriptor out_clk_src_desc = {
+static struct uac_clock_source_descriptor out_clk_src_desc = {
 	.bLength = sizeof out_clk_src_desc,
 	.bDescriptorType = USB_DT_CS_INTERFACE,
 
@@ -658,7 +658,7 @@ struct uac_clock_source_descriptor out_clk_src_desc = {
 };
 
 /* Input Terminal for USB_OUT */
-struct uac2_input_terminal_descriptor usb_out_it_desc = {
+static struct uac2_input_terminal_descriptor usb_out_it_desc = {
 	.bLength = sizeof usb_out_it_desc,
 	.bDescriptorType = USB_DT_CS_INTERFACE,
 
@@ -672,7 +672,7 @@ struct uac2_input_terminal_descriptor usb_out_it_desc = {
 };
 
 /* Input Terminal for I/O-In */
-struct uac2_input_terminal_descriptor io_in_it_desc = {
+static struct uac2_input_terminal_descriptor io_in_it_desc = {
 	.bLength = sizeof io_in_it_desc,
 	.bDescriptorType = USB_DT_CS_INTERFACE,
 
@@ -686,7 +686,7 @@ struct uac2_input_terminal_descriptor io_in_it_desc = {
 };
 
 /* Ouput Terminal for USB_IN */
-struct uac2_output_terminal_descriptor usb_in_ot_desc = {
+static struct uac2_output_terminal_descriptor usb_in_ot_desc = {
 	.bLength = sizeof usb_in_ot_desc,
 	.bDescriptorType = USB_DT_CS_INTERFACE,
 
@@ -700,7 +700,7 @@ struct uac2_output_terminal_descriptor usb_in_ot_desc = {
 };
 
 /* Ouput Terminal for I/O-Out */
-struct uac2_output_terminal_descriptor io_out_ot_desc = {
+static struct uac2_output_terminal_descriptor io_out_ot_desc = {
 	.bLength = sizeof io_out_ot_desc,
 	.bDescriptorType = USB_DT_CS_INTERFACE,
 
@@ -713,7 +713,7 @@ struct uac2_output_terminal_descriptor io_out_ot_desc = {
 	.bmControls = (CONTROL_RDWR << COPY_CTRL),
 };
 
-struct uac2_ac_header_descriptor ac_hdr_desc = {
+static struct uac2_ac_header_descriptor ac_hdr_desc = {
 	.bLength = sizeof ac_hdr_desc,
 	.bDescriptorType = USB_DT_CS_INTERFACE,
 
@@ -751,7 +751,7 @@ static struct usb_interface_descriptor std_as_out_if1_desc = {
 };
 
 /* Audio Stream OUT Intface Desc */
-struct uac2_as_header_descriptor as_out_hdr_desc = {
+static struct uac2_as_header_descriptor as_out_hdr_desc = {
 	.bLength = sizeof as_out_hdr_desc,
 	.bDescriptorType = USB_DT_CS_INTERFACE,
 
@@ -764,7 +764,7 @@ struct uac2_as_header_descriptor as_out_hdr_desc = {
 };
 
 /* Audio USB_OUT Format */
-struct uac2_format_type_i_descriptor as_out_fmt1_desc = {
+static struct uac2_format_type_i_descriptor as_out_fmt1_desc = {
 	.bLength = sizeof as_out_fmt1_desc,
 	.bDescriptorType = USB_DT_CS_INTERFACE,
 	.bDescriptorSubtype = UAC_FORMAT_TYPE,
@@ -772,7 +772,7 @@ struct uac2_format_type_i_descriptor as_out_fmt1_desc = {
 };
 
 /* STD AS ISO OUT Endpoint */
-struct usb_endpoint_descriptor fs_epout_desc = {
+static struct usb_endpoint_descriptor fs_epout_desc = {
 	.bLength = USB_DT_ENDPOINT_SIZE,
 	.bDescriptorType = USB_DT_ENDPOINT,
 
@@ -782,7 +782,7 @@ struct usb_endpoint_descriptor fs_epout_desc = {
 	.bInterval = 1,
 };
 
-struct usb_endpoint_descriptor hs_epout_desc = {
+static struct usb_endpoint_descriptor hs_epout_desc = {
 	.bLength = USB_DT_ENDPOINT_SIZE,
 	.bDescriptorType = USB_DT_ENDPOINT,
 
@@ -828,7 +828,7 @@ static struct usb_interface_descriptor std_as_in_if1_desc = {
 };
 
 /* Audio Stream IN Intface Desc */
-struct uac2_as_header_descriptor as_in_hdr_desc = {
+static struct uac2_as_header_descriptor as_in_hdr_desc = {
 	.bLength = sizeof as_in_hdr_desc,
 	.bDescriptorType = USB_DT_CS_INTERFACE,
 
@@ -841,7 +841,7 @@ struct uac2_as_header_descriptor as_in_hdr_desc = {
 };
 
 /* Audio USB_IN Format */
-struct uac2_format_type_i_descriptor as_in_fmt1_desc = {
+static struct uac2_format_type_i_descriptor as_in_fmt1_desc = {
 	.bLength = sizeof as_in_fmt1_desc,
 	.bDescriptorType = USB_DT_CS_INTERFACE,
 	.bDescriptorSubtype = UAC_FORMAT_TYPE,
@@ -849,7 +849,7 @@ struct uac2_format_type_i_descriptor as_in_fmt1_desc = {
 };
 
 /* STD AS ISO IN Endpoint */
-struct usb_endpoint_descriptor fs_epin_desc = {
+static struct usb_endpoint_descriptor fs_epin_desc = {
 	.bLength = USB_DT_ENDPOINT_SIZE,
 	.bDescriptorType = USB_DT_ENDPOINT,
 
@@ -859,7 +859,7 @@ struct usb_endpoint_descriptor fs_epin_desc = {
 	.bInterval = 1,
 };
 
-struct usb_endpoint_descriptor hs_epin_desc = {
+static struct usb_endpoint_descriptor hs_epin_desc = {
 	.bLength = USB_DT_ENDPOINT_SIZE,
 	.bDescriptorType = USB_DT_ENDPOINT,
 
@@ -1563,7 +1563,7 @@ static void afunc_unbind(struct usb_configuration *c, struct usb_function *f)
 		agdev->out_ep->driver_data = NULL;
 }
 
-struct usb_function *afunc_alloc(struct usb_function_instance *fi)
+static struct usb_function *afunc_alloc(struct usb_function_instance *fi)
 {
 	struct audio_dev *agdev;
 	struct f_uac2_opts *opts;
diff --git a/drivers/usb/gadget/function/uvc_v4l2.c b/drivers/usb/gadget/function/uvc_v4l2.c
index 5aad7fededa5..8b818fd027b3 100644
--- a/drivers/usb/gadget/function/uvc_v4l2.c
+++ b/drivers/usb/gadget/function/uvc_v4l2.c
@@ -27,6 +27,7 @@
 #include "uvc.h"
 #include "uvc_queue.h"
 #include "uvc_video.h"
+#include "uvc_v4l2.h"
 
 /* --------------------------------------------------------------------------
  * Requests handling
diff --git a/drivers/usb/gadget/function/uvc_video.c b/drivers/usb/gadget/function/uvc_video.c
index 9cb86bc1a9a5..50a5e637ca35 100644
--- a/drivers/usb/gadget/function/uvc_video.c
+++ b/drivers/usb/gadget/function/uvc_video.c
@@ -21,6 +21,7 @@
 
 #include "uvc.h"
 #include "uvc_queue.h"
+#include "uvc_video.h"
 
 /* --------------------------------------------------------------------------
  * Video codecs
diff --git a/drivers/usb/gadget/legacy/g_ffs.c b/drivers/usb/gadget/legacy/g_ffs.c
index 06acfa55864a..b01b88e1b716 100644
--- a/drivers/usb/gadget/legacy/g_ffs.c
+++ b/drivers/usb/gadget/legacy/g_ffs.c
@@ -133,7 +133,9 @@ struct gfs_configuration {
 	struct usb_configuration c;
 	int (*eth)(struct usb_configuration *c);
 	int num;
-} gfs_configurations[] = {
+};
+
+static struct gfs_configuration gfs_configurations[] = {
 #ifdef CONFIG_USB_FUNCTIONFS_RNDIS
 	{
 		.eth		= bind_rndis_config,
@@ -278,7 +280,7 @@ static void *functionfs_acquire_dev(struct ffs_dev *dev)
 	if (!try_module_get(THIS_MODULE))
 		return ERR_PTR(-ENOENT);
 	
-	return 0;
+	return NULL;
 }
 
 static void functionfs_release_dev(struct ffs_dev *dev)
diff --git a/drivers/usb/gadget/legacy/inode.c b/drivers/usb/gadget/legacy/inode.c
index db49ec4c748e..200f9a584064 100644
--- a/drivers/usb/gadget/legacy/inode.c
+++ b/drivers/usb/gadget/legacy/inode.c
@@ -74,6 +74,8 @@ MODULE_DESCRIPTION (DRIVER_DESC);
 MODULE_AUTHOR ("David Brownell");
 MODULE_LICENSE ("GPL");
 
+static int ep_open(struct inode *, struct file *);
+
 
 /*----------------------------------------------------------------------*/
 
@@ -283,14 +285,15 @@ static void epio_complete (struct usb_ep *ep, struct usb_request *req)
  * still need dev->lock to use epdata->ep.
  */
 static int
-get_ready_ep (unsigned f_flags, struct ep_data *epdata)
+get_ready_ep (unsigned f_flags, struct ep_data *epdata, bool is_write)
 {
 	int	val;
 
 	if (f_flags & O_NONBLOCK) {
 		if (!mutex_trylock(&epdata->lock))
 			goto nonblock;
-		if (epdata->state != STATE_EP_ENABLED) {
+		if (epdata->state != STATE_EP_ENABLED &&
+		    (!is_write || epdata->state != STATE_EP_READY)) {
 			mutex_unlock(&epdata->lock);
 nonblock:
 			val = -EAGAIN;
@@ -305,18 +308,20 @@ nonblock:
 
 	switch (epdata->state) {
 	case STATE_EP_ENABLED:
+		return 0;
+	case STATE_EP_READY:			/* not configured yet */
+		if (is_write)
+			return 0;
+		// FALLTHRU
+	case STATE_EP_UNBOUND:			/* clean disconnect */
 		break;
 	// case STATE_EP_DISABLED:		/* "can't happen" */
-	// case STATE_EP_READY:			/* "can't happen" */
 	default:				/* error! */
 		pr_debug ("%s: ep %p not available, state %d\n",
 				shortname, epdata, epdata->state);
-		// FALLTHROUGH
-	case STATE_EP_UNBOUND:			/* clean disconnect */
-		val = -ENODEV;
-		mutex_unlock(&epdata->lock);
 	}
-	return val;
+	mutex_unlock(&epdata->lock);
+	return -ENODEV;
 }
 
 static ssize_t
@@ -363,97 +368,6 @@ ep_io (struct ep_data *epdata, void *buf, unsigned len)
 	return value;
 }
 
-
-/* handle a synchronous OUT bulk/intr/iso transfer */
-static ssize_t
-ep_read (struct file *fd, char __user *buf, size_t len, loff_t *ptr)
-{
-	struct ep_data		*data = fd->private_data;
-	void			*kbuf;
-	ssize_t			value;
-
-	if ((value = get_ready_ep (fd->f_flags, data)) < 0)
-		return value;
-
-	/* halt any endpoint by doing a "wrong direction" i/o call */
-	if (usb_endpoint_dir_in(&data->desc)) {
-		if (usb_endpoint_xfer_isoc(&data->desc)) {
-			mutex_unlock(&data->lock);
-			return -EINVAL;
-		}
-		DBG (data->dev, "%s halt\n", data->name);
-		spin_lock_irq (&data->dev->lock);
-		if (likely (data->ep != NULL))
-			usb_ep_set_halt (data->ep);
-		spin_unlock_irq (&data->dev->lock);
-		mutex_unlock(&data->lock);
-		return -EBADMSG;
-	}
-
-	/* FIXME readahead for O_NONBLOCK and poll(); careful with ZLPs */
-
-	value = -ENOMEM;
-	kbuf = kmalloc (len, GFP_KERNEL);
-	if (unlikely (!kbuf))
-		goto free1;
-
-	value = ep_io (data, kbuf, len);
-	VDEBUG (data->dev, "%s read %zu OUT, status %d\n",
-		data->name, len, (int) value);
-	if (value >= 0 && copy_to_user (buf, kbuf, value))
-		value = -EFAULT;
-
-free1:
-	mutex_unlock(&data->lock);
-	kfree (kbuf);
-	return value;
-}
-
-/* handle a synchronous IN bulk/intr/iso transfer */
-static ssize_t
-ep_write (struct file *fd, const char __user *buf, size_t len, loff_t *ptr)
-{
-	struct ep_data		*data = fd->private_data;
-	void			*kbuf;
-	ssize_t			value;
-
-	if ((value = get_ready_ep (fd->f_flags, data)) < 0)
-		return value;
-
-	/* halt any endpoint by doing a "wrong direction" i/o call */
-	if (!usb_endpoint_dir_in(&data->desc)) {
-		if (usb_endpoint_xfer_isoc(&data->desc)) {
-			mutex_unlock(&data->lock);
-			return -EINVAL;
-		}
-		DBG (data->dev, "%s halt\n", data->name);
-		spin_lock_irq (&data->dev->lock);
-		if (likely (data->ep != NULL))
-			usb_ep_set_halt (data->ep);
-		spin_unlock_irq (&data->dev->lock);
-		mutex_unlock(&data->lock);
-		return -EBADMSG;
-	}
-
-	/* FIXME writebehind for O_NONBLOCK and poll(), qlen = 1 */
-
-	value = -ENOMEM;
-	kbuf = memdup_user(buf, len);
-	if (IS_ERR(kbuf)) {
-		value = PTR_ERR(kbuf);
-		kbuf = NULL;
-		goto free1;
-	}
-
-	value = ep_io (data, kbuf, len);
-	VDEBUG (data->dev, "%s write %zu IN, status %d\n",
-		data->name, len, (int) value);
-free1:
-	mutex_unlock(&data->lock);
-	kfree (kbuf);
-	return value;
-}
-
 static int
 ep_release (struct inode *inode, struct file *fd)
 {
@@ -481,7 +395,7 @@ static long ep_ioctl(struct file *fd, unsigned code, unsigned long value)
 	struct ep_data		*data = fd->private_data;
 	int			status;
 
-	if ((status = get_ready_ep (fd->f_flags, data)) < 0)
+	if ((status = get_ready_ep (fd->f_flags, data, false)) < 0)
 		return status;
 
 	spin_lock_irq (&data->dev->lock);
@@ -517,8 +431,8 @@ struct kiocb_priv {
 	struct mm_struct	*mm;
 	struct work_struct	work;
 	void			*buf;
-	const struct iovec	*iv;
-	unsigned long		nr_segs;
+	struct iov_iter		to;
+	const void		*to_free;
 	unsigned		actual;
 };
 
@@ -541,35 +455,6 @@ static int ep_aio_cancel(struct kiocb *iocb)
 	return value;
 }
 
-static ssize_t ep_copy_to_user(struct kiocb_priv *priv)
-{
-	ssize_t			len, total;
-	void			*to_copy;
-	int			i;
-
-	/* copy stuff into user buffers */
-	total = priv->actual;
-	len = 0;
-	to_copy = priv->buf;
-	for (i=0; i < priv->nr_segs; i++) {
-		ssize_t this = min((ssize_t)(priv->iv[i].iov_len), total);
-
-		if (copy_to_user(priv->iv[i].iov_base, to_copy, this)) {
-			if (len == 0)
-				len = -EFAULT;
-			break;
-		}
-
-		total -= this;
-		len += this;
-		to_copy += this;
-		if (total == 0)
-			break;
-	}
-
-	return len;
-}
-
 static void ep_user_copy_worker(struct work_struct *work)
 {
 	struct kiocb_priv *priv = container_of(work, struct kiocb_priv, work);
@@ -578,13 +463,16 @@ static void ep_user_copy_worker(struct work_struct *work)
 	size_t ret;
 
 	use_mm(mm);
-	ret = ep_copy_to_user(priv);
+	ret = copy_to_iter(priv->buf, priv->actual, &priv->to);
 	unuse_mm(mm);
+	if (!ret)
+		ret = -EFAULT;
 
 	/* completing the iocb can drop the ctx and mm, don't touch mm after */
 	aio_complete(iocb, ret, ret);
 
 	kfree(priv->buf);
+	kfree(priv->to_free);
 	kfree(priv);
 }
 
@@ -603,8 +491,9 @@ static void ep_aio_complete(struct usb_ep *ep, struct usb_request *req)
 	 * don't need to copy anything to userspace, so we can
 	 * complete the aio request immediately.
 	 */
-	if (priv->iv == NULL || unlikely(req->actual == 0)) {
+	if (priv->to_free == NULL || unlikely(req->actual == 0)) {
 		kfree(req->buf);
+		kfree(priv->to_free);
 		kfree(priv);
 		iocb->private = NULL;
 		/* aio_complete() reports bytes-transferred _and_ faults */
@@ -618,6 +507,7 @@ static void ep_aio_complete(struct usb_ep *ep, struct usb_request *req)
 
 		priv->buf = req->buf;
 		priv->actual = req->actual;
+		INIT_WORK(&priv->work, ep_user_copy_worker);
 		schedule_work(&priv->work);
 	}
 	spin_unlock(&epdata->dev->lock);
@@ -626,38 +516,17 @@ static void ep_aio_complete(struct usb_ep *ep, struct usb_request *req)
 	put_ep(epdata);
 }
 
-static ssize_t
-ep_aio_rwtail(
-	struct kiocb	*iocb,
-	char		*buf,
-	size_t		len,
-	struct ep_data	*epdata,
-	const struct iovec *iv,
-	unsigned long	nr_segs
-)
+static ssize_t ep_aio(struct kiocb *iocb,
+		      struct kiocb_priv *priv,
+		      struct ep_data *epdata,
+		      char *buf,
+		      size_t len)
 {
-	struct kiocb_priv	*priv;
-	struct usb_request	*req;
-	ssize_t			value;
+	struct usb_request *req;
+	ssize_t value;
 
-	priv = kmalloc(sizeof *priv, GFP_KERNEL);
-	if (!priv) {
-		value = -ENOMEM;
-fail:
-		kfree(buf);
-		return value;
-	}
 	iocb->private = priv;
 	priv->iocb = iocb;
-	priv->iv = iv;
-	priv->nr_segs = nr_segs;
-	INIT_WORK(&priv->work, ep_user_copy_worker);
-
-	value = get_ready_ep(iocb->ki_filp->f_flags, epdata);
-	if (unlikely(value < 0)) {
-		kfree(priv);
-		goto fail;
-	}
 
 	kiocb_set_cancel_fn(iocb, ep_aio_cancel);
 	get_ep(epdata);
@@ -669,75 +538,154 @@ fail:
 	 * allocate or submit those if the host disconnected.
 	 */
 	spin_lock_irq(&epdata->dev->lock);
-	if (likely(epdata->ep)) {
-		req = usb_ep_alloc_request(epdata->ep, GFP_ATOMIC);
-		if (likely(req)) {
-			priv->req = req;
-			req->buf = buf;
-			req->length = len;
-			req->complete = ep_aio_complete;
-			req->context = iocb;
-			value = usb_ep_queue(epdata->ep, req, GFP_ATOMIC);
-			if (unlikely(0 != value))
-				usb_ep_free_request(epdata->ep, req);
-		} else
-			value = -EAGAIN;
-	} else
-		value = -ENODEV;
-	spin_unlock_irq(&epdata->dev->lock);
+	value = -ENODEV;
+	if (unlikely(epdata->ep))
+		goto fail;
 
-	mutex_unlock(&epdata->lock);
+	req = usb_ep_alloc_request(epdata->ep, GFP_ATOMIC);
+	value = -ENOMEM;
+	if (unlikely(!req))
+		goto fail;
 
-	if (unlikely(value)) {
-		kfree(priv);
-		put_ep(epdata);
-	} else
-		value = -EIOCBQUEUED;
+	priv->req = req;
+	req->buf = buf;
+	req->length = len;
+	req->complete = ep_aio_complete;
+	req->context = iocb;
+	value = usb_ep_queue(epdata->ep, req, GFP_ATOMIC);
+	if (unlikely(0 != value)) {
+		usb_ep_free_request(epdata->ep, req);
+		goto fail;
+	}
+	spin_unlock_irq(&epdata->dev->lock);
+	return -EIOCBQUEUED;
+
+fail:
+	spin_unlock_irq(&epdata->dev->lock);
+	kfree(priv->to_free);
+	kfree(priv);
+	put_ep(epdata);
 	return value;
 }
 
 static ssize_t
-ep_aio_read(struct kiocb *iocb, const struct iovec *iov,
-		unsigned long nr_segs, loff_t o)
+ep_read_iter(struct kiocb *iocb, struct iov_iter *to)
 {
-	struct ep_data		*epdata = iocb->ki_filp->private_data;
-	char			*buf;
+	struct file *file = iocb->ki_filp;
+	struct ep_data *epdata = file->private_data;
+	size_t len = iov_iter_count(to);
+	ssize_t value;
+	char *buf;
 
-	if (unlikely(usb_endpoint_dir_in(&epdata->desc)))
-		return -EINVAL;
+	if ((value = get_ready_ep(file->f_flags, epdata, false)) < 0)
+		return value;
 
-	buf = kmalloc(iocb->ki_nbytes, GFP_KERNEL);
-	if (unlikely(!buf))
-		return -ENOMEM;
+	/* halt any endpoint by doing a "wrong direction" i/o call */
+	if (usb_endpoint_dir_in(&epdata->desc)) {
+		if (usb_endpoint_xfer_isoc(&epdata->desc) ||
+		    !is_sync_kiocb(iocb)) {
+			mutex_unlock(&epdata->lock);
+			return -EINVAL;
+		}
+		DBG (epdata->dev, "%s halt\n", epdata->name);
+		spin_lock_irq(&epdata->dev->lock);
+		if (likely(epdata->ep != NULL))
+			usb_ep_set_halt(epdata->ep);
+		spin_unlock_irq(&epdata->dev->lock);
+		mutex_unlock(&epdata->lock);
+		return -EBADMSG;
+	}
 
-	return ep_aio_rwtail(iocb, buf, iocb->ki_nbytes, epdata, iov, nr_segs);
+	buf = kmalloc(len, GFP_KERNEL);
+	if (unlikely(!buf)) {
+		mutex_unlock(&epdata->lock);
+		return -ENOMEM;
+	}
+	if (is_sync_kiocb(iocb)) {
+		value = ep_io(epdata, buf, len);
+		if (value >= 0 && copy_to_iter(buf, value, to))
+			value = -EFAULT;
+	} else {
+		struct kiocb_priv *priv = kzalloc(sizeof *priv, GFP_KERNEL);
+		value = -ENOMEM;
+		if (!priv)
+			goto fail;
+		priv->to_free = dup_iter(&priv->to, to, GFP_KERNEL);
+		if (!priv->to_free) {
+			kfree(priv);
+			goto fail;
+		}
+		value = ep_aio(iocb, priv, epdata, buf, len);
+		if (value == -EIOCBQUEUED)
+			buf = NULL;
+	}
+fail:
+	kfree(buf);
+	mutex_unlock(&epdata->lock);
+	return value;
 }
 
+static ssize_t ep_config(struct ep_data *, const char *, size_t);
+
 static ssize_t
-ep_aio_write(struct kiocb *iocb, const struct iovec *iov,
-		unsigned long nr_segs, loff_t o)
+ep_write_iter(struct kiocb *iocb, struct iov_iter *from)
 {
-	struct ep_data		*epdata = iocb->ki_filp->private_data;
-	char			*buf;
-	size_t			len = 0;
-	int			i = 0;
+	struct file *file = iocb->ki_filp;
+	struct ep_data *epdata = file->private_data;
+	size_t len = iov_iter_count(from);
+	bool configured;
+	ssize_t value;
+	char *buf;
+
+	if ((value = get_ready_ep(file->f_flags, epdata, true)) < 0)
+		return value;
 
-	if (unlikely(!usb_endpoint_dir_in(&epdata->desc)))
-		return -EINVAL;
+	configured = epdata->state == STATE_EP_ENABLED;
 
-	buf = kmalloc(iocb->ki_nbytes, GFP_KERNEL);
-	if (unlikely(!buf))
+	/* halt any endpoint by doing a "wrong direction" i/o call */
+	if (configured && !usb_endpoint_dir_in(&epdata->desc)) {
+		if (usb_endpoint_xfer_isoc(&epdata->desc) ||
+		    !is_sync_kiocb(iocb)) {
+			mutex_unlock(&epdata->lock);
+			return -EINVAL;
+		}
+		DBG (epdata->dev, "%s halt\n", epdata->name);
+		spin_lock_irq(&epdata->dev->lock);
+		if (likely(epdata->ep != NULL))
+			usb_ep_set_halt(epdata->ep);
+		spin_unlock_irq(&epdata->dev->lock);
+		mutex_unlock(&epdata->lock);
+		return -EBADMSG;
+	}
+
+	buf = kmalloc(len, GFP_KERNEL);
+	if (unlikely(!buf)) {
+		mutex_unlock(&epdata->lock);
 		return -ENOMEM;
+	}
 
-	for (i=0; i < nr_segs; i++) {
-		if (unlikely(copy_from_user(&buf[len], iov[i].iov_base,
-				iov[i].iov_len) != 0)) {
-			kfree(buf);
-			return -EFAULT;
+	if (unlikely(copy_from_iter(buf, len, from) != len)) {
+		value = -EFAULT;
+		goto out;
+	}
+
+	if (unlikely(!configured)) {
+		value = ep_config(epdata, buf, len);
+	} else if (is_sync_kiocb(iocb)) {
+		value = ep_io(epdata, buf, len);
+	} else {
+		struct kiocb_priv *priv = kzalloc(sizeof *priv, GFP_KERNEL);
+		value = -ENOMEM;
+		if (priv) {
+			value = ep_aio(iocb, priv, epdata, buf, len);
+			if (value == -EIOCBQUEUED)
+				buf = NULL;
 		}
-		len += iov[i].iov_len;
 	}
-	return ep_aio_rwtail(iocb, buf, len, epdata, NULL, 0);
+out:
+	kfree(buf);
+	mutex_unlock(&epdata->lock);
+	return value;
 }
 
 /*----------------------------------------------------------------------*/
@@ -745,15 +693,15 @@ ep_aio_write(struct kiocb *iocb, const struct iovec *iov,
 /* used after endpoint configuration */
 static const struct file_operations ep_io_operations = {
 	.owner =	THIS_MODULE,
-	.llseek =	no_llseek,
 
-	.read =		ep_read,
-	.write =	ep_write,
-	.unlocked_ioctl = ep_ioctl,
+	.open =		ep_open,
 	.release =	ep_release,
-
-	.aio_read =	ep_aio_read,
-	.aio_write =	ep_aio_write,
+	.llseek =	no_llseek,
+	.read =		new_sync_read,
+	.write =	new_sync_write,
+	.unlocked_ioctl = ep_ioctl,
+	.read_iter =	ep_read_iter,
+	.write_iter =	ep_write_iter,
 };
 
 /* ENDPOINT INITIALIZATION
@@ -770,17 +718,12 @@ static const struct file_operations ep_io_operations = {
  * speed descriptor, then optional high speed descriptor.
  */
 static ssize_t
-ep_config (struct file *fd, const char __user *buf, size_t len, loff_t *ptr)
+ep_config (struct ep_data *data, const char *buf, size_t len)
 {
-	struct ep_data		*data = fd->private_data;
 	struct usb_ep		*ep;
 	u32			tag;
 	int			value, length = len;
 
-	value = mutex_lock_interruptible(&data->lock);
-	if (value < 0)
-		return value;
-
 	if (data->state != STATE_EP_READY) {
 		value = -EL2HLT;
 		goto fail;
@@ -791,9 +734,7 @@ ep_config (struct file *fd, const char __user *buf, size_t len, loff_t *ptr)
 		goto fail0;
 
 	/* we might need to change message format someday */
-	if (copy_from_user (&tag, buf, 4)) {
-		goto fail1;
-	}
+	memcpy(&tag, buf, 4);
 	if (tag != 1) {
 		DBG(data->dev, "config %s, bad tag %d\n", data->name, tag);
 		goto fail0;
@@ -806,19 +747,15 @@ ep_config (struct file *fd, const char __user *buf, size_t len, loff_t *ptr)
 	 */
 
 	/* full/low speed descriptor, then high speed */
-	if (copy_from_user (&data->desc, buf, USB_DT_ENDPOINT_SIZE)) {
-		goto fail1;
-	}
+	memcpy(&data->desc, buf, USB_DT_ENDPOINT_SIZE);
 	if (data->desc.bLength != USB_DT_ENDPOINT_SIZE
 			|| data->desc.bDescriptorType != USB_DT_ENDPOINT)
 		goto fail0;
 	if (len != USB_DT_ENDPOINT_SIZE) {
 		if (len != 2 * USB_DT_ENDPOINT_SIZE)
 			goto fail0;
-		if (copy_from_user (&data->hs_desc, buf + USB_DT_ENDPOINT_SIZE,
-					USB_DT_ENDPOINT_SIZE)) {
-			goto fail1;
-		}
+		memcpy(&data->hs_desc, buf + USB_DT_ENDPOINT_SIZE,
+			USB_DT_ENDPOINT_SIZE);
 		if (data->hs_desc.bLength != USB_DT_ENDPOINT_SIZE
 				|| data->hs_desc.bDescriptorType
 					!= USB_DT_ENDPOINT) {
@@ -840,24 +777,20 @@ ep_config (struct file *fd, const char __user *buf, size_t len, loff_t *ptr)
 	case USB_SPEED_LOW:
 	case USB_SPEED_FULL:
 		ep->desc = &data->desc;
-		value = usb_ep_enable(ep);
-		if (value == 0)
-			data->state = STATE_EP_ENABLED;
 		break;
 	case USB_SPEED_HIGH:
 		/* fails if caller didn't provide that descriptor... */
 		ep->desc = &data->hs_desc;
-		value = usb_ep_enable(ep);
-		if (value == 0)
-			data->state = STATE_EP_ENABLED;
 		break;
 	default:
 		DBG(data->dev, "unconnected, %s init abandoned\n",
 				data->name);
 		value = -EINVAL;
+		goto gone;
 	}
+	value = usb_ep_enable(ep);
 	if (value == 0) {
-		fd->f_op = &ep_io_operations;
+		data->state = STATE_EP_ENABLED;
 		value = length;
 	}
 gone:
@@ -867,14 +800,10 @@ fail:
 		data->desc.bDescriptorType = 0;
 		data->hs_desc.bDescriptorType = 0;
 	}
-	mutex_unlock(&data->lock);
 	return value;
 fail0:
 	value = -EINVAL;
 	goto fail;
-fail1:
-	value = -EFAULT;
-	goto fail;
 }
 
 static int
@@ -902,15 +831,6 @@ ep_open (struct inode *inode, struct file *fd)
 	return value;
 }
 
-/* used before endpoint configuration */
-static const struct file_operations ep_config_operations = {
-	.llseek =	no_llseek,
-
-	.open =		ep_open,
-	.write =	ep_config,
-	.release =	ep_release,
-};
-
 /*----------------------------------------------------------------------*/
 
 /* EP0 IMPLEMENTATION can be partly in userspace.
@@ -989,6 +909,10 @@ ep0_read (struct file *fd, char __user *buf, size_t len, loff_t *ptr)
 	enum ep0_state			state;
 
 	spin_lock_irq (&dev->lock);
+	if (dev->state <= STATE_DEV_OPENED) {
+		retval = -EINVAL;
+		goto done;
+	}
 
 	/* report fd mode change before acting on it */
 	if (dev->setup_abort) {
@@ -1187,8 +1111,6 @@ ep0_write (struct file *fd, const char __user *buf, size_t len, loff_t *ptr)
 	struct dev_data		*dev = fd->private_data;
 	ssize_t			retval = -ESRCH;
 
-	spin_lock_irq (&dev->lock);
-
 	/* report fd mode change before acting on it */
 	if (dev->setup_abort) {
 		dev->setup_abort = 0;
@@ -1234,7 +1156,6 @@ ep0_write (struct file *fd, const char __user *buf, size_t len, loff_t *ptr)
 	} else
 		DBG (dev, "fail %s, state %d\n", __func__, dev->state);
 
-	spin_unlock_irq (&dev->lock);
 	return retval;
 }
 
@@ -1281,6 +1202,9 @@ ep0_poll (struct file *fd, poll_table *wait)
        struct dev_data         *dev = fd->private_data;
        int                     mask = 0;
 
+	if (dev->state <= STATE_DEV_OPENED)
+		return DEFAULT_POLLMASK;
+
        poll_wait(fd, &dev->wait, wait);
 
        spin_lock_irq (&dev->lock);
@@ -1316,19 +1240,6 @@ static long dev_ioctl (struct file *fd, unsigned code, unsigned long value)
 	return ret;
 }
 
-/* used after device configuration */
-static const struct file_operations ep0_io_operations = {
-	.owner =	THIS_MODULE,
-	.llseek =	no_llseek,
-
-	.read =		ep0_read,
-	.write =	ep0_write,
-	.fasync =	ep0_fasync,
-	.poll =		ep0_poll,
-	.unlocked_ioctl =	dev_ioctl,
-	.release =	dev_release,
-};
-
 /*----------------------------------------------------------------------*/
 
 /* The in-kernel gadget driver handles most ep0 issues, in particular
@@ -1650,7 +1561,7 @@ static int activate_ep_files (struct dev_data *dev)
 			goto enomem1;
 
 		data->dentry = gadgetfs_create_file (dev->sb, data->name,
-				data, &ep_config_operations);
+				data, &ep_io_operations);
 		if (!data->dentry)
 			goto enomem2;
 		list_add_tail (&data->epfiles, &dev->epfiles);
@@ -1852,6 +1763,14 @@ dev_config (struct file *fd, const char __user *buf, size_t len, loff_t *ptr)
 	u32			tag;
 	char			*kbuf;
 
+	spin_lock_irq(&dev->lock);
+	if (dev->state > STATE_DEV_OPENED) {
+		value = ep0_write(fd, buf, len, ptr);
+		spin_unlock_irq(&dev->lock);
+		return value;
+	}
+	spin_unlock_irq(&dev->lock);
+
 	if (len < (USB_DT_CONFIG_SIZE + USB_DT_DEVICE_SIZE + 4))
 		return -EINVAL;
 
@@ -1925,7 +1844,6 @@ dev_config (struct file *fd, const char __user *buf, size_t len, loff_t *ptr)
 		 * on, they can work ... except in cleanup paths that
 		 * kick in after the ep0 descriptor is closed.
 		 */
-		fd->f_op = &ep0_io_operations;
 		value = len;
 	}
 	return value;
@@ -1956,12 +1874,14 @@ dev_open (struct inode *inode, struct file *fd)
 	return value;
 }
 
-static const struct file_operations dev_init_operations = {
+static const struct file_operations ep0_operations = {
 	.llseek =	no_llseek,
 
 	.open =		dev_open,
+	.read =		ep0_read,
 	.write =	dev_config,
 	.fasync =	ep0_fasync,
+	.poll =		ep0_poll,
 	.unlocked_ioctl = dev_ioctl,
 	.release =	dev_release,
 };
@@ -2077,7 +1997,7 @@ gadgetfs_fill_super (struct super_block *sb, void *opts, int silent)
 		goto Enomem;
 
 	dev->sb = sb;
-	dev->dentry = gadgetfs_create_file(sb, CHIP, dev, &dev_init_operations);
+	dev->dentry = gadgetfs_create_file(sb, CHIP, dev, &ep0_operations);
 	if (!dev->dentry) {
 		put_dev(dev);
 		goto Enomem;
diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c
index 7f76c8a12f89..fd53c9ebd662 100644
--- a/drivers/usb/host/xhci-pci.c
+++ b/drivers/usb/host/xhci-pci.c
@@ -37,6 +37,9 @@
 
 #define PCI_DEVICE_ID_INTEL_LYNXPOINT_XHCI	0x8c31
 #define PCI_DEVICE_ID_INTEL_LYNXPOINT_LP_XHCI	0x9c31
+#define PCI_DEVICE_ID_INTEL_CHERRYVIEW_XHCI		0x22b5
+#define PCI_DEVICE_ID_INTEL_SUNRISEPOINT_H_XHCI		0xa12f
+#define PCI_DEVICE_ID_INTEL_SUNRISEPOINT_LP_XHCI	0x9d2f
 
 static const char hcd_name[] = "xhci_hcd";
 
@@ -133,6 +136,12 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci)
 		pdev->device == PCI_DEVICE_ID_INTEL_LYNXPOINT_LP_XHCI) {
 		xhci->quirks |= XHCI_SPURIOUS_REBOOT;
 	}
+	if (pdev->vendor == PCI_VENDOR_ID_INTEL &&
+		(pdev->device == PCI_DEVICE_ID_INTEL_SUNRISEPOINT_LP_XHCI ||
+		 pdev->device == PCI_DEVICE_ID_INTEL_SUNRISEPOINT_H_XHCI ||
+		 pdev->device == PCI_DEVICE_ID_INTEL_CHERRYVIEW_XHCI)) {
+		xhci->quirks |= XHCI_PME_STUCK_QUIRK;
+	}
 	if (pdev->vendor == PCI_VENDOR_ID_ETRON &&
 			pdev->device == PCI_DEVICE_ID_EJ168) {
 		xhci->quirks |= XHCI_RESET_ON_RESUME;
@@ -159,6 +168,21 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci)
 				"QUIRK: Resetting on resume");
 }
 
+/*
+ * Make sure PME works on some Intel xHCI controllers by writing 1 to clear
+ * the Internal PME flag bit in vendor specific PMCTRL register at offset 0x80a4
+ */
+static void xhci_pme_quirk(struct xhci_hcd *xhci)
+{
+	u32 val;
+	void __iomem *reg;
+
+	reg = (void __iomem *) xhci->cap_regs + 0x80a4;
+	val = readl(reg);
+	writel(val | BIT(28), reg);
+	readl(reg);
+}
+
 /* called during probe() after chip reset completes */
 static int xhci_pci_setup(struct usb_hcd *hcd)
 {
@@ -283,6 +307,9 @@ static int xhci_pci_suspend(struct usb_hcd *hcd, bool do_wakeup)
 	if (xhci->quirks & XHCI_COMP_MODE_QUIRK)
 		pdev->no_d3cold = true;
 
+	if (xhci->quirks & XHCI_PME_STUCK_QUIRK)
+		xhci_pme_quirk(xhci);
+
 	return xhci_suspend(xhci, do_wakeup);
 }
 
@@ -313,6 +340,9 @@ static int xhci_pci_resume(struct usb_hcd *hcd, bool hibernated)
 	if (pdev->vendor == PCI_VENDOR_ID_INTEL)
 		usb_enable_intel_xhci_ports(pdev);
 
+	if (xhci->quirks & XHCI_PME_STUCK_QUIRK)
+		xhci_pme_quirk(xhci);
+
 	retval = xhci_resume(xhci, hibernated);
 	return retval;
 }
diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c
index 08d402b15482..0e11d61408ff 100644
--- a/drivers/usb/host/xhci-plat.c
+++ b/drivers/usb/host/xhci-plat.c
@@ -83,16 +83,6 @@ static int xhci_plat_probe(struct platform_device *pdev)
 	if (irq < 0)
 		return -ENODEV;
 
-
-	if (of_device_is_compatible(pdev->dev.of_node,
-				    "marvell,armada-375-xhci") ||
-	    of_device_is_compatible(pdev->dev.of_node,
-				    "marvell,armada-380-xhci")) {
-		ret = xhci_mvebu_mbus_init_quirk(pdev);
-		if (ret)
-			return ret;
-	}
-
 	/* Initialize dma_mask and coherent_dma_mask to 32-bits */
 	ret = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32));
 	if (ret)
@@ -127,6 +117,15 @@ static int xhci_plat_probe(struct platform_device *pdev)
 			goto put_hcd;
 	}
 
+	if (of_device_is_compatible(pdev->dev.of_node,
+				    "marvell,armada-375-xhci") ||
+	    of_device_is_compatible(pdev->dev.of_node,
+				    "marvell,armada-380-xhci")) {
+		ret = xhci_mvebu_mbus_init_quirk(pdev);
+		if (ret)
+			goto disable_clk;
+	}
+
 	ret = usb_add_hcd(hcd, irq, IRQF_SHARED);
 	if (ret)
 		goto disable_clk;
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index 88da8d629820..5fb66db89e05 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -1729,7 +1729,7 @@ static void xhci_cleanup_halted_endpoint(struct xhci_hcd *xhci,
 	if (!command)
 		return;
 
-	ep->ep_state |= EP_HALTED;
+	ep->ep_state |= EP_HALTED | EP_RECENTLY_HALTED;
 	ep->stopped_stream = stream_id;
 
 	xhci_queue_reset_ep(xhci, command, slot_id, ep_index);
@@ -1946,7 +1946,7 @@ static int process_ctrl_td(struct xhci_hcd *xhci, struct xhci_td *td,
 	if (event_trb != ep_ring->dequeue) {
 		/* The event was for the status stage */
 		if (event_trb == td->last_trb) {
-			if (td->urb->actual_length != 0) {
+			if (td->urb_length_set) {
 				/* Don't overwrite a previously set error code
 				 */
 				if ((*status == -EINPROGRESS || *status == 0) &&
@@ -1960,7 +1960,13 @@ static int process_ctrl_td(struct xhci_hcd *xhci, struct xhci_td *td,
 					td->urb->transfer_buffer_length;
 			}
 		} else {
-		/* Maybe the event was for the data stage? */
+			/*
+			 * Maybe the event was for the data stage? If so, update
+			 * already the actual_length of the URB and flag it as
+			 * set, so that it is not overwritten in the event for
+			 * the last TRB.
+			 */
+			td->urb_length_set = true;
 			td->urb->actual_length =
 				td->urb->transfer_buffer_length -
 				EVENT_TRB_LEN(le32_to_cpu(event->transfer_len));
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index ec8ac1674854..b06d1a53652d 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -1338,6 +1338,12 @@ int xhci_urb_enqueue(struct usb_hcd *hcd, struct urb *urb, gfp_t mem_flags)
 		goto exit;
 	}
 
+	/* Reject urb if endpoint is in soft reset, queue must stay empty */
+	if (xhci->devs[slot_id]->eps[ep_index].ep_state & EP_CONFIG_PENDING) {
+		xhci_warn(xhci, "Can't enqueue URB while ep is in soft reset\n");
+		ret = -EINVAL;
+	}
+
 	if (usb_endpoint_xfer_isoc(&urb->ep->desc))
 		size = urb->number_of_packets;
 	else
@@ -2948,23 +2954,36 @@ void xhci_cleanup_stalled_ring(struct xhci_hcd *xhci,
 	}
 }
 
-/* Called when clearing halted device. The core should have sent the control
+/* Called after clearing a halted device. USB core should have sent the control
  * message to clear the device halt condition. The host side of the halt should
- * already be cleared with a reset endpoint command issued when the STALL tx
- * event was received.
- *
- * Context: in_interrupt
+ * already be cleared with a reset endpoint command issued immediately when the
+ * STALL tx event was received.
  */
 
 void xhci_endpoint_reset(struct usb_hcd *hcd,
 		struct usb_host_endpoint *ep)
 {
 	struct xhci_hcd *xhci;
+	struct usb_device *udev;
+	struct xhci_virt_device *virt_dev;
+	struct xhci_virt_ep *virt_ep;
+	struct xhci_input_control_ctx *ctrl_ctx;
+	struct xhci_command *command;
+	unsigned int ep_index, ep_state;
+	unsigned long flags;
+	u32 ep_flag;
 
 	xhci = hcd_to_xhci(hcd);
+	udev = (struct usb_device *) ep->hcpriv;
+	if (!ep->hcpriv)
+		return;
+	virt_dev = xhci->devs[udev->slot_id];
+	ep_index = xhci_get_endpoint_index(&ep->desc);
+	virt_ep = &virt_dev->eps[ep_index];
+	ep_state = virt_ep->ep_state;
 
 	/*
-	 * We might need to implement the config ep cmd in xhci 4.8.1 note:
+	 * Implement the config ep command in xhci 4.6.8 additional note:
 	 * The Reset Endpoint Command may only be issued to endpoints in the
 	 * Halted state. If software wishes reset the Data Toggle or Sequence
 	 * Number of an endpoint that isn't in the Halted state, then software
@@ -2972,9 +2991,72 @@ void xhci_endpoint_reset(struct usb_hcd *hcd,
 	 * for the target endpoint. that is in the Stopped state.
 	 */
 
-	/* For now just print debug to follow the situation */
-	xhci_dbg(xhci, "Endpoint 0x%x ep reset callback called\n",
-		 ep->desc.bEndpointAddress);
+	if (ep_state & SET_DEQ_PENDING || ep_state & EP_RECENTLY_HALTED) {
+		virt_ep->ep_state &= ~EP_RECENTLY_HALTED;
+		xhci_dbg(xhci, "ep recently halted, no toggle reset needed\n");
+		return;
+	}
+
+	/* Only interrupt and bulk ep's use Data toggle, USB2 spec 5.5.4-> */
+	if (usb_endpoint_xfer_control(&ep->desc) ||
+	    usb_endpoint_xfer_isoc(&ep->desc))
+		return;
+
+	ep_flag = xhci_get_endpoint_flag(&ep->desc);
+
+	if (ep_flag == SLOT_FLAG || ep_flag == EP0_FLAG)
+		return;
+
+	command = xhci_alloc_command(xhci, true, true, GFP_NOWAIT);
+	if (!command) {
+		xhci_err(xhci, "Could not allocate xHCI command structure.\n");
+		return;
+	}
+
+	spin_lock_irqsave(&xhci->lock, flags);
+
+	/* block ringing ep doorbell */
+	virt_ep->ep_state |= EP_CONFIG_PENDING;
+
+	/*
+	 * Make sure endpoint ring is empty before resetting the toggle/seq.
+	 * Driver is required to synchronously cancel all transfer request.
+	 *
+	 * xhci 4.6.6 says we can issue a configure endpoint command on a
+	 * running endpoint ring as long as it's idle (queue empty)
+	 */
+
+	if (!list_empty(&virt_ep->ring->td_list)) {
+		dev_err(&udev->dev, "EP not empty, refuse reset\n");
+		spin_unlock_irqrestore(&xhci->lock, flags);
+		goto cleanup;
+	}
+
+	xhci_dbg(xhci, "Reset toggle/seq for slot %d, ep_index: %d\n",
+		 udev->slot_id, ep_index);
+
+	ctrl_ctx = xhci_get_input_control_ctx(command->in_ctx);
+	if (!ctrl_ctx) {
+		xhci_err(xhci, "Could not get input context, bad type. virt_dev: %p, in_ctx %p\n",
+			 virt_dev, virt_dev->in_ctx);
+		spin_unlock_irqrestore(&xhci->lock, flags);
+		goto cleanup;
+	}
+	xhci_setup_input_ctx_for_config_ep(xhci, command->in_ctx,
+					   virt_dev->out_ctx, ctrl_ctx,
+					   ep_flag, ep_flag);
+	xhci_endpoint_copy(xhci, command->in_ctx, virt_dev->out_ctx, ep_index);
+
+	xhci_queue_configure_endpoint(xhci, command, command->in_ctx->dma,
+				     udev->slot_id, false);
+	xhci_ring_cmd_db(xhci);
+	spin_unlock_irqrestore(&xhci->lock, flags);
+
+	wait_for_completion(command->completion);
+
+cleanup:
+	virt_ep->ep_state &= ~EP_CONFIG_PENDING;
+	xhci_free_command(xhci, command);
 }
 
 static int xhci_check_streams_endpoint(struct xhci_hcd *xhci,
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h
index 974514762a14..265ab1771d24 100644
--- a/drivers/usb/host/xhci.h
+++ b/drivers/usb/host/xhci.h
@@ -1,3 +1,4 @@
+
 /*
  * xHCI host controller driver
  *
@@ -88,9 +89,10 @@ struct xhci_cap_regs {
 #define HCS_IST(p)		(((p) >> 0) & 0xf)
 /* bits 4:7, max number of Event Ring segments */
 #define HCS_ERST_MAX(p)		(((p) >> 4) & 0xf)
+/* bits 21:25 Hi 5 bits of Scratchpad buffers SW must allocate for the HW */
 /* bit 26 Scratchpad restore - for save/restore HW state - not used yet */
-/* bits 27:31 number of Scratchpad buffers SW must allocate for the HW */
-#define HCS_MAX_SCRATCHPAD(p)   (((p) >> 27) & 0x1f)
+/* bits 27:31 Lo 5 bits of Scratchpad buffers SW must allocate for the HW */
+#define HCS_MAX_SCRATCHPAD(p)   ((((p) >> 16) & 0x3e0) | (((p) >> 27) & 0x1f))
 
 /* HCSPARAMS3 - hcs_params3 - bitmasks */
 /* bits 0:7, Max U1 to U0 latency for the roothub ports */
@@ -863,6 +865,8 @@ struct xhci_virt_ep {
 #define EP_HAS_STREAMS		(1 << 4)
 /* Transitioning the endpoint to not using streams, don't enqueue URBs */
 #define EP_GETTING_NO_STREAMS	(1 << 5)
+#define EP_RECENTLY_HALTED	(1 << 6)
+#define EP_CONFIG_PENDING	(1 << 7)
 	/* ----  Related to URB cancellation ---- */
 	struct list_head	cancelled_td_list;
 	struct xhci_td		*stopped_td;
@@ -1288,6 +1292,8 @@ struct xhci_td {
 	struct xhci_segment	*start_seg;
 	union xhci_trb		*first_trb;
 	union xhci_trb		*last_trb;
+	/* actual_length of the URB has already been set */
+	bool			urb_length_set;
 };
 
 /* xHCI command default timeout value */
@@ -1560,6 +1566,7 @@ struct xhci_hcd {
 #define XHCI_SPURIOUS_WAKEUP	(1 << 18)
 /* For controllers with a broken beyond repair streams implementation */
 #define XHCI_BROKEN_STREAMS	(1 << 19)
+#define XHCI_PME_STUCK_QUIRK	(1 << 20)
 	unsigned int		num_active_eps;
 	unsigned int		limit_active_eps;
 	/* There are two roothubs to keep track of bus suspend info for */
diff --git a/drivers/usb/isp1760/isp1760-hcd.c b/drivers/usb/isp1760/isp1760-hcd.c
index eba9b82e2d70..3cb98b1d5d29 100644
--- a/drivers/usb/isp1760/isp1760-hcd.c
+++ b/drivers/usb/isp1760/isp1760-hcd.c
@@ -1274,7 +1274,7 @@ static void errata2_function(unsigned long data)
 	for (slot = 0; slot < 32; slot++)
 		if (priv->atl_slots[slot].qh && time_after(jiffies,
 					priv->atl_slots[slot].timestamp +
-					SLOT_TIMEOUT * HZ / 1000)) {
+					msecs_to_jiffies(SLOT_TIMEOUT))) {
 			ptd_read(hcd->regs, ATL_PTD_OFFSET, slot, &ptd);
 			if (!FROM_DW0_VALID(ptd.dw0) &&
 					!FROM_DW3_ACTIVE(ptd.dw3))
@@ -1286,7 +1286,7 @@ static void errata2_function(unsigned long data)
 
 	spin_unlock_irqrestore(&priv->lock, spinflags);
 
-	errata2_timer.expires = jiffies + SLOT_CHECK_PERIOD * HZ / 1000;
+	errata2_timer.expires = jiffies + msecs_to_jiffies(SLOT_CHECK_PERIOD);
 	add_timer(&errata2_timer);
 }
 
@@ -1336,7 +1336,7 @@ static int isp1760_run(struct usb_hcd *hcd)
 		return retval;
 
 	setup_timer(&errata2_timer, errata2_function, (unsigned long)hcd);
-	errata2_timer.expires = jiffies + SLOT_CHECK_PERIOD * HZ / 1000;
+	errata2_timer.expires = jiffies + msecs_to_jiffies(SLOT_CHECK_PERIOD);
 	add_timer(&errata2_timer);
 
 	chipid = reg_read32(hcd->regs, HC_CHIP_ID_REG);
diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c
index e6f4cbfeed97..067920f2d570 100644
--- a/drivers/usb/musb/musb_core.c
+++ b/drivers/usb/musb/musb_core.c
@@ -1969,10 +1969,6 @@ musb_init_controller(struct device *dev, int nIrq, void __iomem *ctrl)
 		goto fail0;
 	}
 
-	pm_runtime_use_autosuspend(musb->controller);
-	pm_runtime_set_autosuspend_delay(musb->controller, 200);
-	pm_runtime_enable(musb->controller);
-
 	spin_lock_init(&musb->lock);
 	musb->board_set_power = plat->set_power;
 	musb->min_power = plat->min_power;
@@ -1991,6 +1987,12 @@ musb_init_controller(struct device *dev, int nIrq, void __iomem *ctrl)
 	musb_readl = musb_default_readl;
 	musb_writel = musb_default_writel;
 
+	/* We need musb_read/write functions initialized for PM */
+	pm_runtime_use_autosuspend(musb->controller);
+	pm_runtime_set_autosuspend_delay(musb->controller, 200);
+	pm_runtime_irq_safe(musb->controller);
+	pm_runtime_enable(musb->controller);
+
 	/* The musb_platform_init() call:
 	 *   - adjusts musb->mregs
 	 *   - sets the musb->isr
diff --git a/drivers/usb/musb/musb_dsps.c b/drivers/usb/musb/musb_dsps.c
index 53bd0e71d19f..a900c9877195 100644
--- a/drivers/usb/musb/musb_dsps.c
+++ b/drivers/usb/musb/musb_dsps.c
@@ -457,12 +457,27 @@ static int dsps_musb_init(struct musb *musb)
 	if (IS_ERR(musb->xceiv))
 		return PTR_ERR(musb->xceiv);
 
+	musb->phy = devm_phy_get(dev->parent, "usb2-phy");
+
 	/* Returns zero if e.g. not clocked */
 	rev = dsps_readl(reg_base, wrp->revision);
 	if (!rev)
 		return -ENODEV;
 
 	usb_phy_init(musb->xceiv);
+	if (IS_ERR(musb->phy))  {
+		musb->phy = NULL;
+	} else {
+		ret = phy_init(musb->phy);
+		if (ret < 0)
+			return ret;
+		ret = phy_power_on(musb->phy);
+		if (ret) {
+			phy_exit(musb->phy);
+			return ret;
+		}
+	}
+
 	setup_timer(&glue->timer, otg_timer, (unsigned long) musb);
 
 	/* Reset the musb */
@@ -502,6 +517,8 @@ static int dsps_musb_exit(struct musb *musb)
 
 	del_timer_sync(&glue->timer);
 	usb_phy_shutdown(musb->xceiv);
+	phy_power_off(musb->phy);
+	phy_exit(musb->phy);
 	debugfs_remove_recursive(glue->dbgfs_root);
 
 	return 0;
@@ -610,7 +627,7 @@ static int dsps_musb_reset(struct musb *musb)
 	struct device *dev = musb->controller;
 	struct dsps_glue *glue = dev_get_drvdata(dev->parent);
 	const struct dsps_musb_wrapper *wrp = glue->wrp;
-	int session_restart = 0;
+	int session_restart = 0, error;
 
 	if (glue->sw_babble_enabled)
 		session_restart = sw_babble_control(musb);
@@ -624,8 +641,14 @@ static int dsps_musb_reset(struct musb *musb)
 		dsps_writel(musb->ctrl_base, wrp->control, (1 << wrp->reset));
 		usleep_range(100, 200);
 		usb_phy_shutdown(musb->xceiv);
+		error = phy_power_off(musb->phy);
+		if (error)
+			dev_err(dev, "phy shutdown failed: %i\n", error);
 		usleep_range(100, 200);
 		usb_phy_init(musb->xceiv);
+		error = phy_power_on(musb->phy);
+		if (error)
+			dev_err(dev, "phy powerup failed: %i\n", error);
 		session_restart = 1;
 	}
 
@@ -687,7 +710,7 @@ static int dsps_create_musb_pdev(struct dsps_glue *glue,
 	struct musb_hdrc_config	*config;
 	struct platform_device *musb;
 	struct device_node *dn = parent->dev.of_node;
-	int ret;
+	int ret, val;
 
 	memset(resources, 0, sizeof(resources));
 	res = platform_get_resource_byname(parent, IORESOURCE_MEM, "mc");
@@ -739,7 +762,10 @@ static int dsps_create_musb_pdev(struct dsps_glue *glue,
 	pdata.mode = get_musb_port_mode(dev);
 	/* DT keeps this entry in mA, musb expects it as per USB spec */
 	pdata.power = get_int_prop(dn, "mentor,power") / 2;
-	config->multipoint = of_property_read_bool(dn, "mentor,multipoint");
+
+	ret = of_property_read_u32(dn, "mentor,multipoint", &val);
+	if (!ret && val)
+		config->multipoint = true;
 
 	ret = platform_device_add_data(musb, &pdata, sizeof(pdata));
 	if (ret) {
diff --git a/drivers/usb/musb/musb_host.c b/drivers/usb/musb/musb_host.c
index 883a9adfdfff..c3d5fc9dfb5b 100644
--- a/drivers/usb/musb/musb_host.c
+++ b/drivers/usb/musb/musb_host.c
@@ -2613,7 +2613,7 @@ static const struct hc_driver musb_hc_driver = {
 	.description		= "musb-hcd",
 	.product_desc		= "MUSB HDRC host driver",
 	.hcd_priv_size		= sizeof(struct musb *),
-	.flags			= HCD_USB2 | HCD_MEMORY,
+	.flags			= HCD_USB2 | HCD_MEMORY | HCD_BH,
 
 	/* not using irq handler or reset hooks from usbcore, since
 	 * those must be shared with peripheral code for OTG configs
diff --git a/drivers/usb/musb/omap2430.c b/drivers/usb/musb/omap2430.c
index 763649eb4987..cc752d8c7773 100644
--- a/drivers/usb/musb/omap2430.c
+++ b/drivers/usb/musb/omap2430.c
@@ -516,7 +516,7 @@ static int omap2430_probe(struct platform_device *pdev)
 	struct omap2430_glue		*glue;
 	struct device_node		*np = pdev->dev.of_node;
 	struct musb_hdrc_config		*config;
-	int				ret = -ENOMEM;
+	int				ret = -ENOMEM, val;
 
 	glue = devm_kzalloc(&pdev->dev, sizeof(*glue), GFP_KERNEL);
 	if (!glue)
@@ -559,7 +559,10 @@ static int omap2430_probe(struct platform_device *pdev)
 		of_property_read_u32(np, "num-eps", (u32 *)&config->num_eps);
 		of_property_read_u32(np, "ram-bits", (u32 *)&config->ram_bits);
 		of_property_read_u32(np, "power", (u32 *)&pdata->power);
-		config->multipoint = of_property_read_bool(np, "multipoint");
+
+		ret = of_property_read_u32(np, "multipoint", &val);
+		if (!ret && val)
+			config->multipoint = true;
 
 		pdata->board_data	= data;
 		pdata->config		= config;
diff --git a/drivers/usb/renesas_usbhs/Kconfig b/drivers/usb/renesas_usbhs/Kconfig
index de83b9d0cd5c..ebc99ee076ce 100644
--- a/drivers/usb/renesas_usbhs/Kconfig
+++ b/drivers/usb/renesas_usbhs/Kconfig
@@ -6,6 +6,7 @@ config USB_RENESAS_USBHS
 	tristate 'Renesas USBHS controller'
 	depends on USB_GADGET
 	depends on ARCH_SHMOBILE || SUPERH || COMPILE_TEST
+	depends on EXTCON || !EXTCON # if EXTCON=m, USBHS cannot be built-in
 	default n
 	help
 	  Renesas USBHS is a discrete USB host and peripheral controller chip
diff --git a/drivers/usb/serial/bus.c b/drivers/usb/serial/bus.c
index 9374bd2aba20..8936a83c96cd 100644
--- a/drivers/usb/serial/bus.c
+++ b/drivers/usb/serial/bus.c
@@ -38,56 +38,51 @@ static int usb_serial_device_match(struct device *dev,
 	return 0;
 }
 
-static ssize_t port_number_show(struct device *dev,
-				struct device_attribute *attr, char *buf)
-{
-	struct usb_serial_port *port = to_usb_serial_port(dev);
-
-	return sprintf(buf, "%d\n", port->port_number);
-}
-static DEVICE_ATTR_RO(port_number);
-
 static int usb_serial_device_probe(struct device *dev)
 {
 	struct usb_serial_driver *driver;
 	struct usb_serial_port *port;
+	struct device *tty_dev;
 	int retval = 0;
 	int minor;
 
 	port = to_usb_serial_port(dev);
-	if (!port) {
-		retval = -ENODEV;
-		goto exit;
-	}
+	if (!port)
+		return -ENODEV;
 
 	/* make sure suspend/resume doesn't race against port_probe */
 	retval = usb_autopm_get_interface(port->serial->interface);
 	if (retval)
-		goto exit;
+		return retval;
 
 	driver = port->serial->type;
 	if (driver->port_probe) {
 		retval = driver->port_probe(port);
 		if (retval)
-			goto exit_with_autopm;
+			goto err_autopm_put;
 	}
 
-	retval = device_create_file(dev, &dev_attr_port_number);
-	if (retval) {
-		if (driver->port_remove)
-			retval = driver->port_remove(port);
-		goto exit_with_autopm;
+	minor = port->minor;
+	tty_dev = tty_register_device(usb_serial_tty_driver, minor, dev);
+	if (IS_ERR(tty_dev)) {
+		retval = PTR_ERR(tty_dev);
+		goto err_port_remove;
 	}
 
-	minor = port->minor;
-	tty_register_device(usb_serial_tty_driver, minor, dev);
+	usb_autopm_put_interface(port->serial->interface);
+
 	dev_info(&port->serial->dev->dev,
 		 "%s converter now attached to ttyUSB%d\n",
 		 driver->description, minor);
 
-exit_with_autopm:
+	return 0;
+
+err_port_remove:
+	if (driver->port_remove)
+		driver->port_remove(port);
+err_autopm_put:
 	usb_autopm_put_interface(port->serial->interface);
-exit:
+
 	return retval;
 }
 
@@ -114,8 +109,6 @@ static int usb_serial_device_remove(struct device *dev)
 	minor = port->minor;
 	tty_unregister_device(usb_serial_tty_driver, minor);
 
-	device_remove_file(&port->dev, &dev_attr_port_number);
-
 	driver = port->serial->type;
 	if (driver->port_remove)
 		retval = driver->port_remove(port);
diff --git a/drivers/usb/serial/ch341.c b/drivers/usb/serial/ch341.c
index 2d72aa3564a3..ede4f5fcfadd 100644
--- a/drivers/usb/serial/ch341.c
+++ b/drivers/usb/serial/ch341.c
@@ -84,6 +84,10 @@ struct ch341_private {
 	u8 line_status; /* active status of modem control inputs */
 };
 
+static void ch341_set_termios(struct tty_struct *tty,
+			      struct usb_serial_port *port,
+			      struct ktermios *old_termios);
+
 static int ch341_control_out(struct usb_device *dev, u8 request,
 			     u16 value, u16 index)
 {
@@ -309,19 +313,12 @@ static int ch341_open(struct tty_struct *tty, struct usb_serial_port *port)
 	struct ch341_private *priv = usb_get_serial_port_data(port);
 	int r;
 
-	priv->baud_rate = DEFAULT_BAUD_RATE;
-
 	r = ch341_configure(serial->dev, priv);
 	if (r)
 		goto out;
 
-	r = ch341_set_handshake(serial->dev, priv->line_control);
-	if (r)
-		goto out;
-
-	r = ch341_set_baudrate(serial->dev, priv);
-	if (r)
-		goto out;
+	if (tty)
+		ch341_set_termios(tty, port, NULL);
 
 	dev_dbg(&port->dev, "%s - submitting interrupt urb\n", __func__);
 	r = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL);
diff --git a/drivers/usb/serial/console.c b/drivers/usb/serial/console.c
index 29fa1c3d0089..3806e7014199 100644
--- a/drivers/usb/serial/console.c
+++ b/drivers/usb/serial/console.c
@@ -14,6 +14,7 @@
 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 
 #include <linux/kernel.h>
+#include <linux/module.h>
 #include <linux/slab.h>
 #include <linux/tty.h>
 #include <linux/console.h>
@@ -144,6 +145,7 @@ static int usb_console_setup(struct console *co, char *options)
 			init_ldsem(&tty->ldisc_sem);
 			INIT_LIST_HEAD(&tty->tty_files);
 			kref_get(&tty->driver->kref);
+			__module_get(tty->driver->owner);
 			tty->ops = &usb_console_fake_tty_ops;
 			if (tty_init_termios(tty)) {
 				retval = -ENOMEM;
diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c
index f40c856ff758..84ce2d74894c 100644
--- a/drivers/usb/serial/cp210x.c
+++ b/drivers/usb/serial/cp210x.c
@@ -147,6 +147,8 @@ static const struct usb_device_id id_table[] = {
 	{ USB_DEVICE(0x166A, 0x0305) }, /* Clipsal C-5000CT2 C-Bus Spectrum Colour Touchscreen */
 	{ USB_DEVICE(0x166A, 0x0401) }, /* Clipsal L51xx C-Bus Architectural Dimmer */
 	{ USB_DEVICE(0x166A, 0x0101) }, /* Clipsal 5560884 C-Bus Multi-room Audio Matrix Switcher */
+	{ USB_DEVICE(0x16C0, 0x09B0) }, /* Lunatico Seletek */
+	{ USB_DEVICE(0x16C0, 0x09B1) }, /* Lunatico Seletek */
 	{ USB_DEVICE(0x16D6, 0x0001) }, /* Jablotron serial interface */
 	{ USB_DEVICE(0x16DC, 0x0010) }, /* W-IE-NE-R Plein & Baus GmbH PL512 Power Supply */
 	{ USB_DEVICE(0x16DC, 0x0011) }, /* W-IE-NE-R Plein & Baus GmbH RCM Remote Control for MARATON Power Supply */
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index 1ebb351b9e9a..3086dec0ef53 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -799,6 +799,8 @@ static const struct usb_device_id id_table_combined[] = {
 	{ USB_DEVICE(FTDI_VID, FTDI_ELSTER_UNICOM_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_PROPOX_JTAGCABLEII_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_PROPOX_ISPCABLEIII_PID) },
+	{ USB_DEVICE(FTDI_VID, CYBER_CORTEX_AV_PID),
+		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
 	{ USB_DEVICE(OLIMEX_VID, OLIMEX_ARM_USB_OCD_PID),
 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
 	{ USB_DEVICE(OLIMEX_VID, OLIMEX_ARM_USB_OCD_H_PID),
@@ -978,6 +980,23 @@ static const struct usb_device_id id_table_combined[] = {
 	{ USB_DEVICE_INTERFACE_NUMBER(INFINEON_VID, INFINEON_TRIBOARD_PID, 1) },
 	/* GE Healthcare devices */
 	{ USB_DEVICE(GE_HEALTHCARE_VID, GE_HEALTHCARE_NEMO_TRACKER_PID) },
+	/* Active Research (Actisense) devices */
+	{ USB_DEVICE(FTDI_VID, ACTISENSE_NDC_PID) },
+	{ USB_DEVICE(FTDI_VID, ACTISENSE_USG_PID) },
+	{ USB_DEVICE(FTDI_VID, ACTISENSE_NGT_PID) },
+	{ USB_DEVICE(FTDI_VID, ACTISENSE_NGW_PID) },
+	{ USB_DEVICE(FTDI_VID, ACTISENSE_D9AC_PID) },
+	{ USB_DEVICE(FTDI_VID, ACTISENSE_D9AD_PID) },
+	{ USB_DEVICE(FTDI_VID, ACTISENSE_D9AE_PID) },
+	{ USB_DEVICE(FTDI_VID, ACTISENSE_D9AF_PID) },
+	{ USB_DEVICE(FTDI_VID, CHETCO_SEAGAUGE_PID) },
+	{ USB_DEVICE(FTDI_VID, CHETCO_SEASWITCH_PID) },
+	{ USB_DEVICE(FTDI_VID, CHETCO_SEASMART_NMEA2000_PID) },
+	{ USB_DEVICE(FTDI_VID, CHETCO_SEASMART_ETHERNET_PID) },
+	{ USB_DEVICE(FTDI_VID, CHETCO_SEASMART_WIFI_PID) },
+	{ USB_DEVICE(FTDI_VID, CHETCO_SEASMART_DISPLAY_PID) },
+	{ USB_DEVICE(FTDI_VID, CHETCO_SEASMART_LITE_PID) },
+	{ USB_DEVICE(FTDI_VID, CHETCO_SEASMART_ANALOG_PID) },
 	{ }					/* Terminating entry */
 };
 
diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h
index e52409c9be99..56b1b55c4751 100644
--- a/drivers/usb/serial/ftdi_sio_ids.h
+++ b/drivers/usb/serial/ftdi_sio_ids.h
@@ -38,6 +38,9 @@
 
 #define FTDI_LUMEL_PD12_PID	0x6002
 
+/* Cyber Cortex AV by Fabulous Silicon (http://fabuloussilicon.com) */
+#define CYBER_CORTEX_AV_PID	0x8698
+
 /*
  * Marvell OpenRD Base, Client
  * http://www.open-rd.org
@@ -1438,3 +1441,23 @@
  */
 #define GE_HEALTHCARE_VID		0x1901
 #define GE_HEALTHCARE_NEMO_TRACKER_PID	0x0015
+
+/*
+ * Active Research (Actisense) devices
+ */
+#define ACTISENSE_NDC_PID		0xD9A8 /* NDC USB Serial Adapter */
+#define ACTISENSE_USG_PID		0xD9A9 /* USG USB Serial Adapter */
+#define ACTISENSE_NGT_PID		0xD9AA /* NGT NMEA2000 Interface */
+#define ACTISENSE_NGW_PID		0xD9AB /* NGW NMEA2000 Gateway */
+#define ACTISENSE_D9AC_PID		0xD9AC /* Actisense Reserved */
+#define ACTISENSE_D9AD_PID		0xD9AD /* Actisense Reserved */
+#define ACTISENSE_D9AE_PID		0xD9AE /* Actisense Reserved */
+#define ACTISENSE_D9AF_PID		0xD9AF /* Actisense Reserved */
+#define CHETCO_SEAGAUGE_PID		0xA548 /* SeaGauge USB Adapter */
+#define CHETCO_SEASWITCH_PID		0xA549 /* SeaSwitch USB Adapter */
+#define CHETCO_SEASMART_NMEA2000_PID	0xA54A /* SeaSmart NMEA2000 Gateway */
+#define CHETCO_SEASMART_ETHERNET_PID	0xA54B /* SeaSmart Ethernet Gateway */
+#define CHETCO_SEASMART_WIFI_PID	0xA5AC /* SeaSmart Wifi Gateway */
+#define CHETCO_SEASMART_DISPLAY_PID	0xA5AD /* SeaSmart NMEA2000 Display */
+#define CHETCO_SEASMART_LITE_PID	0xA5AE /* SeaSmart Lite USB Adapter */
+#define CHETCO_SEASMART_ANALOG_PID	0xA5AF /* SeaSmart Analog Adapter */
diff --git a/drivers/usb/serial/generic.c b/drivers/usb/serial/generic.c
index ccf1df7c4b80..54e170dd3dad 100644
--- a/drivers/usb/serial/generic.c
+++ b/drivers/usb/serial/generic.c
@@ -258,7 +258,8 @@ void usb_serial_generic_wait_until_sent(struct tty_struct *tty, long timeout)
 	 * character or at least one jiffy.
 	 */
 	period = max_t(unsigned long, (10 * HZ / bps), 1);
-	period = min_t(unsigned long, period, timeout);
+	if (timeout)
+		period = min_t(unsigned long, period, timeout);
 
 	dev_dbg(&port->dev, "%s - timeout = %u ms, period = %u ms\n",
 					__func__, jiffies_to_msecs(timeout),
@@ -268,7 +269,7 @@ void usb_serial_generic_wait_until_sent(struct tty_struct *tty, long timeout)
 		schedule_timeout_interruptible(period);
 		if (signal_pending(current))
 			break;
-		if (time_after(jiffies, expire))
+		if (timeout && time_after(jiffies, expire))
 			break;
 	}
 }
diff --git a/drivers/usb/serial/mxuport.c b/drivers/usb/serial/mxuport.c
index ab1d690274ae..460a40669967 100644
--- a/drivers/usb/serial/mxuport.c
+++ b/drivers/usb/serial/mxuport.c
@@ -1284,7 +1284,8 @@ static int mxuport_open(struct tty_struct *tty, struct usb_serial_port *port)
 	}
 
 	/* Initial port termios */
-	mxuport_set_termios(tty, port, NULL);
+	if (tty)
+		mxuport_set_termios(tty, port, NULL);
 
 	/*
 	 * TODO: use RQ_VENDOR_GET_MSR, once we know what it
diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c
index 0f872e6b2c87..829604d11f3f 100644
--- a/drivers/usb/serial/pl2303.c
+++ b/drivers/usb/serial/pl2303.c
@@ -132,6 +132,7 @@ MODULE_DEVICE_TABLE(usb, id_table);
 #define UART_OVERRUN_ERROR		0x40
 #define UART_CTS			0x80
 
+static void pl2303_set_break(struct usb_serial_port *port, bool enable);
 
 enum pl2303_type {
 	TYPE_01,	/* Type 0 and 1 (difference unknown) */
@@ -615,6 +616,7 @@ static void pl2303_close(struct usb_serial_port *port)
 {
 	usb_serial_generic_close(port);
 	usb_kill_urb(port->interrupt_in_urb);
+	pl2303_set_break(port, false);
 }
 
 static int pl2303_open(struct tty_struct *tty, struct usb_serial_port *port)
@@ -741,17 +743,16 @@ static int pl2303_ioctl(struct tty_struct *tty,
 	return -ENOIOCTLCMD;
 }
 
-static void pl2303_break_ctl(struct tty_struct *tty, int break_state)
+static void pl2303_set_break(struct usb_serial_port *port, bool enable)
 {
-	struct usb_serial_port *port = tty->driver_data;
 	struct usb_serial *serial = port->serial;
 	u16 state;
 	int result;
 
-	if (break_state == 0)
-		state = BREAK_OFF;
-	else
+	if (enable)
 		state = BREAK_ON;
+	else
+		state = BREAK_OFF;
 
 	dev_dbg(&port->dev, "%s - turning break %s\n", __func__,
 			state == BREAK_OFF ? "off" : "on");
@@ -763,6 +764,13 @@ static void pl2303_break_ctl(struct tty_struct *tty, int break_state)
 		dev_err(&port->dev, "error sending break = %d\n", result);
 }
 
+static void pl2303_break_ctl(struct tty_struct *tty, int state)
+{
+	struct usb_serial_port *port = tty->driver_data;
+
+	pl2303_set_break(port, state);
+}
+
 static void pl2303_update_line_status(struct usb_serial_port *port,
 				      unsigned char *data,
 				      unsigned int actual_length)
diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c
index 475723c006f9..529066bbc7e8 100644
--- a/drivers/usb/serial/usb-serial.c
+++ b/drivers/usb/serial/usb-serial.c
@@ -687,6 +687,21 @@ static void serial_port_dtr_rts(struct tty_port *port, int on)
 		drv->dtr_rts(p, on);
 }
 
+static ssize_t port_number_show(struct device *dev,
+				struct device_attribute *attr, char *buf)
+{
+	struct usb_serial_port *port = to_usb_serial_port(dev);
+
+	return sprintf(buf, "%u\n", port->port_number);
+}
+static DEVICE_ATTR_RO(port_number);
+
+static struct attribute *usb_serial_port_attrs[] = {
+	&dev_attr_port_number.attr,
+	NULL
+};
+ATTRIBUTE_GROUPS(usb_serial_port);
+
 static const struct tty_port_operations serial_port_ops = {
 	.carrier_raised		= serial_port_carrier_raised,
 	.dtr_rts		= serial_port_dtr_rts,
@@ -902,6 +917,7 @@ static int usb_serial_probe(struct usb_interface *interface,
 		port->dev.driver = NULL;
 		port->dev.bus = &usb_serial_bus_type;
 		port->dev.release = &usb_serial_port_release;
+		port->dev.groups = usb_serial_port_groups;
 		device_initialize(&port->dev);
 	}
 
@@ -940,8 +956,9 @@ static int usb_serial_probe(struct usb_interface *interface,
 		port = serial->port[i];
 		if (kfifo_alloc(&port->write_fifo, PAGE_SIZE, GFP_KERNEL))
 			goto probe_error;
-		buffer_size = max_t(int, serial->type->bulk_out_size,
-						usb_endpoint_maxp(endpoint));
+		buffer_size = serial->type->bulk_out_size;
+		if (!buffer_size)
+			buffer_size = usb_endpoint_maxp(endpoint);
 		port->bulk_out_size = buffer_size;
 		port->bulk_out_endpointAddress = endpoint->bEndpointAddress;
 
diff --git a/drivers/usb/storage/unusual_uas.h b/drivers/usb/storage/unusual_uas.h
index dbc00e56c7f5..82570425fdfe 100644
--- a/drivers/usb/storage/unusual_uas.h
+++ b/drivers/usb/storage/unusual_uas.h
@@ -113,6 +113,13 @@ UNUSUAL_DEV(0x0bc2, 0xab2a, 0x0000, 0x9999,
 		USB_SC_DEVICE, USB_PR_DEVICE, NULL,
 		US_FL_NO_ATA_1X),
 
+/* Reported-by: Tom Arild Naess <tanaess@gmail.com> */
+UNUSUAL_DEV(0x152d, 0x0539, 0x0000, 0x9999,
+		"JMicron",
+		"JMS539",
+		USB_SC_DEVICE, USB_PR_DEVICE, NULL,
+		US_FL_NO_REPORT_OPCODES),
+
 /* Reported-by: Claudio Bizzarri <claudio.bizzarri@gmail.com> */
 UNUSUAL_DEV(0x152d, 0x0567, 0x0000, 0x9999,
 		"JMicron",
diff --git a/drivers/usb/storage/usb.c b/drivers/usb/storage/usb.c
index d468d02179f4..5600c33fcadb 100644
--- a/drivers/usb/storage/usb.c
+++ b/drivers/usb/storage/usb.c
@@ -889,6 +889,12 @@ static void usb_stor_scan_dwork(struct work_struct *work)
 	    !(us->fflags & US_FL_SCM_MULT_TARG)) {
 		mutex_lock(&us->dev_mutex);
 		us->max_lun = usb_stor_Bulk_max_lun(us);
+		/*
+		 * Allow proper scanning of devices that present more than 8 LUNs
+		 * While not affecting other devices that may need the previous behavior
+		 */
+		if (us->max_lun >= 8)
+			us_to_host(us)->max_lun = us->max_lun+1;
 		mutex_unlock(&us->dev_mutex);
 	}
 	scsi_scan_host(us_to_host(us));
diff --git a/drivers/vfio/pci/vfio_pci_intrs.c b/drivers/vfio/pci/vfio_pci_intrs.c
index f88bfdf5b6a0..2027a27546ef 100644
--- a/drivers/vfio/pci/vfio_pci_intrs.c
+++ b/drivers/vfio/pci/vfio_pci_intrs.c
@@ -868,12 +868,14 @@ int vfio_pci_set_irqs_ioctl(struct vfio_pci_device *vdev, uint32_t flags,
 				func = vfio_pci_set_err_trigger;
 			break;
 		}
+		break;
 	case VFIO_PCI_REQ_IRQ_INDEX:
 		switch (flags & VFIO_IRQ_SET_ACTION_TYPE_MASK) {
 		case VFIO_IRQ_SET_ACTION_TRIGGER:
 			func = vfio_pci_set_req_trigger;
 			break;
 		}
+		break;
 	}
 
 	if (!func)
diff --git a/drivers/vhost/net.c b/drivers/vhost/net.c
index afa06d28725d..2bbfc25e582c 100644
--- a/drivers/vhost/net.c
+++ b/drivers/vhost/net.c
@@ -591,11 +591,6 @@ static void handle_rx(struct vhost_net *net)
 			 * TODO: support TSO.
 			 */
 			iov_iter_advance(&msg.msg_iter, vhost_hlen);
-		} else {
-			/* It'll come from socket; we'll need to patch
-			 * ->num_buffers over if VIRTIO_NET_F_MRG_RXBUF
-			 */
-			iov_iter_advance(&fixup, sizeof(hdr));
 		}
 		err = sock->ops->recvmsg(NULL, sock, &msg,
 					 sock_len, MSG_DONTWAIT | MSG_TRUNC);
@@ -609,17 +604,25 @@ static void handle_rx(struct vhost_net *net)
 			continue;
 		}
 		/* Supply virtio_net_hdr if VHOST_NET_F_VIRTIO_NET_HDR */
-		if (unlikely(vhost_hlen) &&
-		    copy_to_iter(&hdr, sizeof(hdr), &fixup) != sizeof(hdr)) {
-			vq_err(vq, "Unable to write vnet_hdr at addr %p\n",
-			       vq->iov->iov_base);
-			break;
+		if (unlikely(vhost_hlen)) {
+			if (copy_to_iter(&hdr, sizeof(hdr),
+					 &fixup) != sizeof(hdr)) {
+				vq_err(vq, "Unable to write vnet_hdr "
+				       "at addr %p\n", vq->iov->iov_base);
+				break;
+			}
+		} else {
+			/* Header came from socket; we'll need to patch
+			 * ->num_buffers over if VIRTIO_NET_F_MRG_RXBUF
+			 */
+			iov_iter_advance(&fixup, sizeof(hdr));
 		}
 		/* TODO: Should check and handle checksum. */
 
 		num_buffers = cpu_to_vhost16(vq, headcount);
 		if (likely(mergeable) &&
-		    copy_to_iter(&num_buffers, 2, &fixup) != 2) {
+		    copy_to_iter(&num_buffers, sizeof num_buffers,
+				 &fixup) != sizeof num_buffers) {
 			vq_err(vq, "Failed num_buffers write");
 			vhost_discard_vq_desc(vq, headcount);
 			break;
diff --git a/drivers/video/fbdev/amba-clcd.c b/drivers/video/fbdev/amba-clcd.c
index 32c0b6b28097..9362424c2340 100644
--- a/drivers/video/fbdev/amba-clcd.c
+++ b/drivers/video/fbdev/amba-clcd.c
@@ -599,6 +599,9 @@ static int clcdfb_of_get_mode(struct device *dev, struct device_node *endpoint,
 
 	len = clcdfb_snprintf_mode(NULL, 0, mode);
 	name = devm_kzalloc(dev, len + 1, GFP_KERNEL);
+	if (!name)
+		return -ENOMEM;
+
 	clcdfb_snprintf_mode(name, len + 1, mode);
 	mode->name = name;
 
diff --git a/drivers/video/fbdev/core/fbmon.c b/drivers/video/fbdev/core/fbmon.c
index 95338593ebf4..868facdec638 100644
--- a/drivers/video/fbdev/core/fbmon.c
+++ b/drivers/video/fbdev/core/fbmon.c
@@ -624,9 +624,6 @@ static struct fb_videomode *fb_create_modedb(unsigned char *edid, int *dbsize,
 	int num = 0, i, first = 1;
 	int ver, rev;
 
-	ver = edid[EDID_STRUCT_VERSION];
-	rev = edid[EDID_STRUCT_REVISION];
-
 	mode = kzalloc(50 * sizeof(struct fb_videomode), GFP_KERNEL);
 	if (mode == NULL)
 		return NULL;
@@ -637,6 +634,9 @@ static struct fb_videomode *fb_create_modedb(unsigned char *edid, int *dbsize,
 		return NULL;
 	}
 
+	ver = edid[EDID_STRUCT_VERSION];
+	rev = edid[EDID_STRUCT_REVISION];
+
 	*dbsize = 0;
 
 	DPRINTK("   Detailed Timings\n");
diff --git a/drivers/video/fbdev/omap2/dss/display-sysfs.c b/drivers/video/fbdev/omap2/dss/display-sysfs.c
index 5a2095a98ed8..12186557a9d4 100644
--- a/drivers/video/fbdev/omap2/dss/display-sysfs.c
+++ b/drivers/video/fbdev/omap2/dss/display-sysfs.c
@@ -28,44 +28,22 @@
 #include <video/omapdss.h>
 #include "dss.h"
 
-static struct omap_dss_device *to_dss_device_sysfs(struct device *dev)
+static ssize_t display_name_show(struct omap_dss_device *dssdev, char *buf)
 {
-	struct omap_dss_device *dssdev = NULL;
-
-	for_each_dss_dev(dssdev) {
-		if (dssdev->dev == dev) {
-			omap_dss_put_device(dssdev);
-			return dssdev;
-		}
-	}
-
-	return NULL;
-}
-
-static ssize_t display_name_show(struct device *dev,
-		struct device_attribute *attr, char *buf)
-{
-	struct omap_dss_device *dssdev = to_dss_device_sysfs(dev);
-
 	return snprintf(buf, PAGE_SIZE, "%s\n",
 			dssdev->name ?
 			dssdev->name : "");
 }
 
-static ssize_t display_enabled_show(struct device *dev,
-		struct device_attribute *attr, char *buf)
+static ssize_t display_enabled_show(struct omap_dss_device *dssdev, char *buf)
 {
-	struct omap_dss_device *dssdev = to_dss_device_sysfs(dev);
-
 	return snprintf(buf, PAGE_SIZE, "%d\n",
 			omapdss_device_is_enabled(dssdev));
 }
 
-static ssize_t display_enabled_store(struct device *dev,
-		struct device_attribute *attr,
+static ssize_t display_enabled_store(struct omap_dss_device *dssdev,
 		const char *buf, size_t size)
 {
-	struct omap_dss_device *dssdev = to_dss_device_sysfs(dev);
 	int r;
 	bool enable;
 
@@ -90,19 +68,16 @@ static ssize_t display_enabled_store(struct device *dev,
 	return size;
 }
 
-static ssize_t display_tear_show(struct device *dev,
-		struct device_attribute *attr, char *buf)
+static ssize_t display_tear_show(struct omap_dss_device *dssdev, char *buf)
 {
-	struct omap_dss_device *dssdev = to_dss_device_sysfs(dev);
 	return snprintf(buf, PAGE_SIZE, "%d\n",
 			dssdev->driver->get_te ?
 			dssdev->driver->get_te(dssdev) : 0);
 }
 
-static ssize_t display_tear_store(struct device *dev,
-		struct device_attribute *attr, const char *buf, size_t size)
+static ssize_t display_tear_store(struct omap_dss_device *dssdev,
+	const char *buf, size_t size)
 {
-	struct omap_dss_device *dssdev = to_dss_device_sysfs(dev);
 	int r;
 	bool te;
 
@@ -120,10 +95,8 @@ static ssize_t display_tear_store(struct device *dev,
 	return size;
 }
 
-static ssize_t display_timings_show(struct device *dev,
-		struct device_attribute *attr, char *buf)
+static ssize_t display_timings_show(struct omap_dss_device *dssdev, char *buf)
 {
-	struct omap_dss_device *dssdev = to_dss_device_sysfs(dev);
 	struct omap_video_timings t;
 
 	if (!dssdev->driver->get_timings)
@@ -137,10 +110,9 @@ static ssize_t display_timings_show(struct device *dev,
 			t.y_res, t.vfp, t.vbp, t.vsw);
 }
 
-static ssize_t display_timings_store(struct device *dev,
-		struct device_attribute *attr, const char *buf, size_t size)
+static ssize_t display_timings_store(struct omap_dss_device *dssdev,
+	const char *buf, size_t size)
 {
-	struct omap_dss_device *dssdev = to_dss_device_sysfs(dev);
 	struct omap_video_timings t = dssdev->panel.timings;
 	int r, found;
 
@@ -176,10 +148,8 @@ static ssize_t display_timings_store(struct device *dev,
 	return size;
 }
 
-static ssize_t display_rotate_show(struct device *dev,
-		struct device_attribute *attr, char *buf)
+static ssize_t display_rotate_show(struct omap_dss_device *dssdev, char *buf)
 {
-	struct omap_dss_device *dssdev = to_dss_device_sysfs(dev);
 	int rotate;
 	if (!dssdev->driver->get_rotate)
 		return -ENOENT;
@@ -187,10 +157,9 @@ static ssize_t display_rotate_show(struct device *dev,
 	return snprintf(buf, PAGE_SIZE, "%u\n", rotate);
 }
 
-static ssize_t display_rotate_store(struct device *dev,
-		struct device_attribute *attr, const char *buf, size_t size)
+static ssize_t display_rotate_store(struct omap_dss_device *dssdev,
+	const char *buf, size_t size)
 {
-	struct omap_dss_device *dssdev = to_dss_device_sysfs(dev);
 	int rot, r;
 
 	if (!dssdev->driver->set_rotate || !dssdev->driver->get_rotate)
@@ -207,10 +176,8 @@ static ssize_t display_rotate_store(struct device *dev,
 	return size;
 }
 
-static ssize_t display_mirror_show(struct device *dev,
-		struct device_attribute *attr, char *buf)
+static ssize_t display_mirror_show(struct omap_dss_device *dssdev, char *buf)
 {
-	struct omap_dss_device *dssdev = to_dss_device_sysfs(dev);
 	int mirror;
 	if (!dssdev->driver->get_mirror)
 		return -ENOENT;
@@ -218,10 +185,9 @@ static ssize_t display_mirror_show(struct device *dev,
 	return snprintf(buf, PAGE_SIZE, "%u\n", mirror);
 }
 
-static ssize_t display_mirror_store(struct device *dev,
-		struct device_attribute *attr, const char *buf, size_t size)
+static ssize_t display_mirror_store(struct omap_dss_device *dssdev,
+	const char *buf, size_t size)
 {
-	struct omap_dss_device *dssdev = to_dss_device_sysfs(dev);
 	int r;
 	bool mirror;
 
@@ -239,10 +205,8 @@ static ssize_t display_mirror_store(struct device *dev,
 	return size;
 }
 
-static ssize_t display_wss_show(struct device *dev,
-		struct device_attribute *attr, char *buf)
+static ssize_t display_wss_show(struct omap_dss_device *dssdev, char *buf)
 {
-	struct omap_dss_device *dssdev = to_dss_device_sysfs(dev);
 	unsigned int wss;
 
 	if (!dssdev->driver->get_wss)
@@ -253,10 +217,9 @@ static ssize_t display_wss_show(struct device *dev,
 	return snprintf(buf, PAGE_SIZE, "0x%05x\n", wss);
 }
 
-static ssize_t display_wss_store(struct device *dev,
-		struct device_attribute *attr, const char *buf, size_t size)
+static ssize_t display_wss_store(struct omap_dss_device *dssdev,
+	const char *buf, size_t size)
 {
-	struct omap_dss_device *dssdev = to_dss_device_sysfs(dev);
 	u32 wss;
 	int r;
 
@@ -277,50 +240,94 @@ static ssize_t display_wss_store(struct device *dev,
 	return size;
 }
 
-static DEVICE_ATTR(display_name, S_IRUGO, display_name_show, NULL);
-static DEVICE_ATTR(enabled, S_IRUGO|S_IWUSR,
+struct display_attribute {
+	struct attribute attr;
+	ssize_t (*show)(struct omap_dss_device *, char *);
+	ssize_t	(*store)(struct omap_dss_device *, const char *, size_t);
+};
+
+#define DISPLAY_ATTR(_name, _mode, _show, _store) \
+	struct display_attribute display_attr_##_name = \
+	__ATTR(_name, _mode, _show, _store)
+
+static DISPLAY_ATTR(name, S_IRUGO, display_name_show, NULL);
+static DISPLAY_ATTR(display_name, S_IRUGO, display_name_show, NULL);
+static DISPLAY_ATTR(enabled, S_IRUGO|S_IWUSR,
 		display_enabled_show, display_enabled_store);
-static DEVICE_ATTR(tear_elim, S_IRUGO|S_IWUSR,
+static DISPLAY_ATTR(tear_elim, S_IRUGO|S_IWUSR,
 		display_tear_show, display_tear_store);
-static DEVICE_ATTR(timings, S_IRUGO|S_IWUSR,
+static DISPLAY_ATTR(timings, S_IRUGO|S_IWUSR,
 		display_timings_show, display_timings_store);
-static DEVICE_ATTR(rotate, S_IRUGO|S_IWUSR,
+static DISPLAY_ATTR(rotate, S_IRUGO|S_IWUSR,
 		display_rotate_show, display_rotate_store);
-static DEVICE_ATTR(mirror, S_IRUGO|S_IWUSR,
+static DISPLAY_ATTR(mirror, S_IRUGO|S_IWUSR,
 		display_mirror_show, display_mirror_store);
-static DEVICE_ATTR(wss, S_IRUGO|S_IWUSR,
+static DISPLAY_ATTR(wss, S_IRUGO|S_IWUSR,
 		display_wss_show, display_wss_store);
 
-static const struct attribute *display_sysfs_attrs[] = {
-	&dev_attr_display_name.attr,
-	&dev_attr_enabled.attr,
-	&dev_attr_tear_elim.attr,
-	&dev_attr_timings.attr,
-	&dev_attr_rotate.attr,
-	&dev_attr_mirror.attr,
-	&dev_attr_wss.attr,
+static struct attribute *display_sysfs_attrs[] = {
+	&display_attr_name.attr,
+	&display_attr_display_name.attr,
+	&display_attr_enabled.attr,
+	&display_attr_tear_elim.attr,
+	&display_attr_timings.attr,
+	&display_attr_rotate.attr,
+	&display_attr_mirror.attr,
+	&display_attr_wss.attr,
 	NULL
 };
 
+static ssize_t display_attr_show(struct kobject *kobj, struct attribute *attr,
+		char *buf)
+{
+	struct omap_dss_device *dssdev;
+	struct display_attribute *display_attr;
+
+	dssdev = container_of(kobj, struct omap_dss_device, kobj);
+	display_attr = container_of(attr, struct display_attribute, attr);
+
+	if (!display_attr->show)
+		return -ENOENT;
+
+	return display_attr->show(dssdev, buf);
+}
+
+static ssize_t display_attr_store(struct kobject *kobj, struct attribute *attr,
+		const char *buf, size_t size)
+{
+	struct omap_dss_device *dssdev;
+	struct display_attribute *display_attr;
+
+	dssdev = container_of(kobj, struct omap_dss_device, kobj);
+	display_attr = container_of(attr, struct display_attribute, attr);
+
+	if (!display_attr->store)
+		return -ENOENT;
+
+	return display_attr->store(dssdev, buf, size);
+}
+
+static const struct sysfs_ops display_sysfs_ops = {
+	.show = display_attr_show,
+	.store = display_attr_store,
+};
+
+static struct kobj_type display_ktype = {
+	.sysfs_ops = &display_sysfs_ops,
+	.default_attrs = display_sysfs_attrs,
+};
+
 int display_init_sysfs(struct platform_device *pdev)
 {
 	struct omap_dss_device *dssdev = NULL;
 	int r;
 
 	for_each_dss_dev(dssdev) {
-		struct kobject *kobj = &dssdev->dev->kobj;
-
-		r = sysfs_create_files(kobj, display_sysfs_attrs);
+		r = kobject_init_and_add(&dssdev->kobj, &display_ktype,
+			&pdev->dev.kobj, dssdev->alias);
 		if (r) {
 			DSSERR("failed to create sysfs files\n");
-			goto err;
-		}
-
-		r = sysfs_create_link(&pdev->dev.kobj, kobj, dssdev->alias);
-		if (r) {
-			sysfs_remove_files(kobj, display_sysfs_attrs);
-
-			DSSERR("failed to create sysfs display link\n");
+			omap_dss_put_device(dssdev);
 			goto err;
 		}
 	}
@@ -338,8 +345,12 @@ void display_uninit_sysfs(struct platform_device *pdev)
 	struct omap_dss_device *dssdev = NULL;
 
 	for_each_dss_dev(dssdev) {
-		sysfs_remove_link(&pdev->dev.kobj, dssdev->alias);
-		sysfs_remove_files(&dssdev->dev->kobj,
-				display_sysfs_attrs);
+		if (kobject_name(&dssdev->kobj) == NULL)
+			continue;
+
+		kobject_del(&dssdev->kobj);
+		kobject_put(&dssdev->kobj);
+
+		memset(&dssdev->kobj, 0, sizeof(dssdev->kobj));
 	}
 }
diff --git a/drivers/watchdog/at91sam9_wdt.c b/drivers/watchdog/at91sam9_wdt.c
index 6df940528fd2..1443b3c391de 100644
--- a/drivers/watchdog/at91sam9_wdt.c
+++ b/drivers/watchdog/at91sam9_wdt.c
@@ -208,7 +208,8 @@ static int at91_wdt_init(struct platform_device *pdev, struct at91wdt *wdt)
 
 	if ((tmp & AT91_WDT_WDFIEN) && wdt->irq) {
 		err = request_irq(wdt->irq, wdt_interrupt,
-				  IRQF_SHARED | IRQF_IRQPOLL,
+				  IRQF_SHARED | IRQF_IRQPOLL |
+				  IRQF_NO_SUSPEND,
 				  pdev->name, wdt);
 		if (err)
 			return err;
diff --git a/drivers/xen/Makefile b/drivers/xen/Makefile
index 2140398a2a8c..2ccd3592d41f 100644
--- a/drivers/xen/Makefile
+++ b/drivers/xen/Makefile
@@ -2,7 +2,7 @@ ifeq ($(filter y, $(CONFIG_ARM) $(CONFIG_ARM64)),)
 obj-$(CONFIG_HOTPLUG_CPU)		+= cpu_hotplug.o
 endif
 obj-$(CONFIG_X86)			+= fallback.o
-obj-y	+= grant-table.o features.o balloon.o manage.o
+obj-y	+= grant-table.o features.o balloon.o manage.o preempt.o
 obj-y	+= events/
 obj-y	+= xenbus/
 
diff --git a/drivers/xen/events/events_base.c b/drivers/xen/events/events_base.c
index b4bca2d4a7e5..70fba973a107 100644
--- a/drivers/xen/events/events_base.c
+++ b/drivers/xen/events/events_base.c
@@ -526,20 +526,26 @@ static unsigned int __startup_pirq(unsigned int irq)
 	pirq_query_unmask(irq);
 
 	rc = set_evtchn_to_irq(evtchn, irq);
-	if (rc != 0) {
-		pr_err("irq%d: Failed to set port to irq mapping (%d)\n",
-		       irq, rc);
-		xen_evtchn_close(evtchn);
-		return 0;
-	}
+	if (rc)
+		goto err;
+
 	bind_evtchn_to_cpu(evtchn, 0);
 	info->evtchn = evtchn;
 
+	rc = xen_evtchn_port_setup(info);
+	if (rc)
+		goto err;
+
 out:
 	unmask_evtchn(evtchn);
 	eoi_pirq(irq_get_irq_data(irq));
 
 	return 0;
+
+err:
+	pr_err("irq%d: Failed to set port to irq mapping (%d)\n", irq, rc);
+	xen_evtchn_close(evtchn);
+	return 0;
 }
 
 static unsigned int startup_pirq(struct irq_data *data)
diff --git a/drivers/xen/preempt.c b/drivers/xen/preempt.c
new file mode 100644
index 000000000000..a1800c150839
--- /dev/null
+++ b/drivers/xen/preempt.c
@@ -0,0 +1,44 @@
+/*
+ * Preemptible hypercalls
+ *
+ * Copyright (C) 2014 Citrix Systems R&D ltd.
+ *
+ * This source code 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/sched.h>
+#include <xen/xen-ops.h>
+
+#ifndef CONFIG_PREEMPT
+
+/*
+ * Some hypercalls issued by the toolstack can take many 10s of
+ * seconds. Allow tasks running hypercalls via the privcmd driver to
+ * be voluntarily preempted even if full kernel preemption is
+ * disabled.
+ *
+ * Such preemptible hypercalls are bracketed by
+ * xen_preemptible_hcall_begin() and xen_preemptible_hcall_end()
+ * calls.
+ */
+
+DEFINE_PER_CPU(bool, xen_in_preemptible_hcall);
+EXPORT_SYMBOL_GPL(xen_in_preemptible_hcall);
+
+asmlinkage __visible void xen_maybe_preempt_hcall(void)
+{
+	if (unlikely(__this_cpu_read(xen_in_preemptible_hcall)
+		     && should_resched())) {
+		/*
+		 * Clear flag as we may be rescheduled on a different
+		 * cpu.
+		 */
+		__this_cpu_write(xen_in_preemptible_hcall, false);
+		_cond_resched();
+		__this_cpu_write(xen_in_preemptible_hcall, true);
+	}
+}
+#endif /* CONFIG_PREEMPT */
diff --git a/drivers/xen/privcmd.c b/drivers/xen/privcmd.c
index 569a13b9e856..59ac71c4a043 100644
--- a/drivers/xen/privcmd.c
+++ b/drivers/xen/privcmd.c
@@ -56,10 +56,12 @@ static long privcmd_ioctl_hypercall(void __user *udata)
 	if (copy_from_user(&hypercall, udata, sizeof(hypercall)))
 		return -EFAULT;
 
+	xen_preemptible_hcall_begin();
 	ret = privcmd_call(hypercall.op,
 			   hypercall.arg[0], hypercall.arg[1],
 			   hypercall.arg[2], hypercall.arg[3],
 			   hypercall.arg[4]);
+	xen_preemptible_hcall_end();
 
 	return ret;
 }
diff --git a/drivers/xen/xen-pciback/conf_space.c b/drivers/xen/xen-pciback/conf_space.c
index 46ae0f9f02ad..75fe3d466515 100644
--- a/drivers/xen/xen-pciback/conf_space.c
+++ b/drivers/xen/xen-pciback/conf_space.c
@@ -16,7 +16,7 @@
 #include "conf_space.h"
 #include "conf_space_quirks.h"
 
-static bool permissive;
+bool permissive;
 module_param(permissive, bool, 0644);
 
 /* This is where xen_pcibk_read_config_byte, xen_pcibk_read_config_word,
diff --git a/drivers/xen/xen-pciback/conf_space.h b/drivers/xen/xen-pciback/conf_space.h
index e56c934ad137..2e1d73d1d5d0 100644
--- a/drivers/xen/xen-pciback/conf_space.h
+++ b/drivers/xen/xen-pciback/conf_space.h
@@ -64,6 +64,8 @@ struct config_field_entry {
 	void *data;
 };
 
+extern bool permissive;
+
 #define OFFSET(cfg_entry) ((cfg_entry)->base_offset+(cfg_entry)->field->offset)
 
 /* Add fields to a device - the add_fields macro expects to get a pointer to
diff --git a/drivers/xen/xen-pciback/conf_space_header.c b/drivers/xen/xen-pciback/conf_space_header.c
index c5ee82587e8c..2d7369391472 100644
--- a/drivers/xen/xen-pciback/conf_space_header.c
+++ b/drivers/xen/xen-pciback/conf_space_header.c
@@ -11,6 +11,10 @@
 #include "pciback.h"
 #include "conf_space.h"
 
+struct pci_cmd_info {
+	u16 val;
+};
+
 struct pci_bar_info {
 	u32 val;
 	u32 len_val;
@@ -20,22 +24,36 @@ struct pci_bar_info {
 #define is_enable_cmd(value) ((value)&(PCI_COMMAND_MEMORY|PCI_COMMAND_IO))
 #define is_master_cmd(value) ((value)&PCI_COMMAND_MASTER)
 
-static int command_read(struct pci_dev *dev, int offset, u16 *value, void *data)
+/* Bits guests are allowed to control in permissive mode. */
+#define PCI_COMMAND_GUEST (PCI_COMMAND_MASTER|PCI_COMMAND_SPECIAL| \
+			   PCI_COMMAND_INVALIDATE|PCI_COMMAND_VGA_PALETTE| \
+			   PCI_COMMAND_WAIT|PCI_COMMAND_FAST_BACK)
+
+static void *command_init(struct pci_dev *dev, int offset)
 {
-	int i;
-	int ret;
-
-	ret = xen_pcibk_read_config_word(dev, offset, value, data);
-	if (!pci_is_enabled(dev))
-		return ret;
-
-	for (i = 0; i < PCI_ROM_RESOURCE; i++) {
-		if (dev->resource[i].flags & IORESOURCE_IO)
-			*value |= PCI_COMMAND_IO;
-		if (dev->resource[i].flags & IORESOURCE_MEM)
-			*value |= PCI_COMMAND_MEMORY;
+	struct pci_cmd_info *cmd = kmalloc(sizeof(*cmd), GFP_KERNEL);
+	int err;
+
+	if (!cmd)
+		return ERR_PTR(-ENOMEM);
+
+	err = pci_read_config_word(dev, PCI_COMMAND, &cmd->val);
+	if (err) {
+		kfree(cmd);
+		return ERR_PTR(err);
 	}
 
+	return cmd;
+}
+
+static int command_read(struct pci_dev *dev, int offset, u16 *value, void *data)
+{
+	int ret = pci_read_config_word(dev, offset, value);
+	const struct pci_cmd_info *cmd = data;
+
+	*value &= PCI_COMMAND_GUEST;
+	*value |= cmd->val & ~PCI_COMMAND_GUEST;
+
 	return ret;
 }
 
@@ -43,6 +61,8 @@ static int command_write(struct pci_dev *dev, int offset, u16 value, void *data)
 {
 	struct xen_pcibk_dev_data *dev_data;
 	int err;
+	u16 val;
+	struct pci_cmd_info *cmd = data;
 
 	dev_data = pci_get_drvdata(dev);
 	if (!pci_is_enabled(dev) && is_enable_cmd(value)) {
@@ -83,6 +103,19 @@ static int command_write(struct pci_dev *dev, int offset, u16 value, void *data)
 		}
 	}
 
+	cmd->val = value;
+
+	if (!permissive && (!dev_data || !dev_data->permissive))
+		return 0;
+
+	/* Only allow the guest to control certain bits. */
+	err = pci_read_config_word(dev, offset, &val);
+	if (err || val == value)
+		return err;
+
+	value &= PCI_COMMAND_GUEST;
+	value |= val & ~PCI_COMMAND_GUEST;
+
 	return pci_write_config_word(dev, offset, value);
 }
 
@@ -282,6 +315,8 @@ static const struct config_field header_common[] = {
 	{
 	 .offset    = PCI_COMMAND,
 	 .size      = 2,
+	 .init      = command_init,
+	 .release   = bar_release,
 	 .u.w.read  = command_read,
 	 .u.w.write = command_write,
 	},
diff --git a/drivers/xen/xen-scsiback.c b/drivers/xen/xen-scsiback.c
index 61653a03a8f5..9faca6a60bb0 100644
--- a/drivers/xen/xen-scsiback.c
+++ b/drivers/xen/xen-scsiback.c
@@ -709,12 +709,11 @@ static int prepare_pending_reqs(struct vscsibk_info *info,
 static int scsiback_do_cmd_fn(struct vscsibk_info *info)
 {
 	struct vscsiif_back_ring *ring = &info->ring;
-	struct vscsiif_request *ring_req;
+	struct vscsiif_request ring_req;
 	struct vscsibk_pend *pending_req;
 	RING_IDX rc, rp;
 	int err, more_to_do;
 	uint32_t result;
-	uint8_t act;
 
 	rc = ring->req_cons;
 	rp = ring->sring->req_prod;
@@ -735,11 +734,10 @@ static int scsiback_do_cmd_fn(struct vscsibk_info *info)
 		if (!pending_req)
 			return 1;
 
-		ring_req = RING_GET_REQUEST(ring, rc);
+		ring_req = *RING_GET_REQUEST(ring, rc);
 		ring->req_cons = ++rc;
 
-		act = ring_req->act;
-		err = prepare_pending_reqs(info, ring_req, pending_req);
+		err = prepare_pending_reqs(info, &ring_req, pending_req);
 		if (err) {
 			switch (err) {
 			case -ENODEV:
@@ -755,9 +753,9 @@ static int scsiback_do_cmd_fn(struct vscsibk_info *info)
 			return 1;
 		}
 
-		switch (act) {
+		switch (ring_req.act) {
 		case VSCSIIF_ACT_SCSI_CDB:
-			if (scsiback_gnttab_data_map(ring_req, pending_req)) {
+			if (scsiback_gnttab_data_map(&ring_req, pending_req)) {
 				scsiback_fast_flush_area(pending_req);
 				scsiback_do_resp_with_sense(NULL,
 					DRIVER_ERROR << 24, 0, pending_req);
@@ -768,7 +766,7 @@ static int scsiback_do_cmd_fn(struct vscsibk_info *info)
 			break;
 		case VSCSIIF_ACT_SCSI_ABORT:
 			scsiback_device_action(pending_req, TMR_ABORT_TASK,
-				ring_req->ref_rqid);
+				ring_req.ref_rqid);
 			break;
 		case VSCSIIF_ACT_SCSI_RESET:
 			scsiback_device_action(pending_req, TMR_LUN_RESET, 0);
author	Russell King <rmk+kernel@arm.linux.org.uk>	2015-04-15 00:28:32 +0300
committer	Russell King <rmk+kernel@arm.linux.org.uk>	2015-04-15 00:28:32 +0300
commit	4b2f8838479eb2abe042e094f7d2cced6d5ea772 (patch)
tree	5ef3236b354a494c8d71a572896283e44989c696 /drivers
parent	c848791f0336914a3081ea3fe029cf177d81de81 (diff)
parent	9fd85eb502a78bd812db58bd1f668b2a06ee30a5 (diff)
download	linux-4b2f8838479eb2abe042e094f7d2cced6d5ea772.tar.xz