Merge 4.18-rc7 into master to pick up the KVM dependcy

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

622 files changed, 6874 insertions, 4328 deletions

diff --git a/drivers/acpi/acpi_lpss.c b/drivers/acpi/acpi_lpss.c
index 38a286975c31..f8fecfec5df9 100644
--- a/drivers/acpi/acpi_lpss.c
+++ b/drivers/acpi/acpi_lpss.c
@@ -22,6 +22,7 @@
 #include <linux/pm_domain.h>
 #include <linux/pm_runtime.h>
 #include <linux/pwm.h>
+#include <linux/suspend.h>
 #include <linux/delay.h>
 
 #include "internal.h"
@@ -946,9 +947,10 @@ static void lpss_iosf_exit_d3_state(void)
 	mutex_unlock(&lpss_iosf_mutex);
 }
 
-static int acpi_lpss_suspend(struct device *dev, bool wakeup)
+static int acpi_lpss_suspend(struct device *dev, bool runtime)
 {
 	struct lpss_private_data *pdata = acpi_driver_data(ACPI_COMPANION(dev));
+	bool wakeup = runtime || device_may_wakeup(dev);
 	int ret;
 
 	if (pdata->dev_desc->flags & LPSS_SAVE_CTX)
@@ -961,13 +963,14 @@ static int acpi_lpss_suspend(struct device *dev, bool wakeup)
 	 * wrong status for devices being about to be powered off. See
 	 * lpss_iosf_enter_d3_state() for further information.
 	 */
-	if (lpss_quirks & LPSS_QUIRK_ALWAYS_POWER_ON && iosf_mbi_available())
+	if ((runtime || !pm_suspend_via_firmware()) &&
+	    lpss_quirks & LPSS_QUIRK_ALWAYS_POWER_ON && iosf_mbi_available())
 		lpss_iosf_enter_d3_state();
 
 	return ret;
 }
 
-static int acpi_lpss_resume(struct device *dev)
+static int acpi_lpss_resume(struct device *dev, bool runtime)
 {
 	struct lpss_private_data *pdata = acpi_driver_data(ACPI_COMPANION(dev));
 	int ret;
@@ -976,7 +979,8 @@ static int acpi_lpss_resume(struct device *dev)
 	 * This call is kept first to be in symmetry with
 	 * acpi_lpss_runtime_suspend() one.
 	 */
-	if (lpss_quirks & LPSS_QUIRK_ALWAYS_POWER_ON && iosf_mbi_available())
+	if ((runtime || !pm_resume_via_firmware()) &&
+	    lpss_quirks & LPSS_QUIRK_ALWAYS_POWER_ON && iosf_mbi_available())
 		lpss_iosf_exit_d3_state();
 
 	ret = acpi_dev_resume(dev);
@@ -1000,12 +1004,12 @@ static int acpi_lpss_suspend_late(struct device *dev)
 		return 0;
 
 	ret = pm_generic_suspend_late(dev);
-	return ret ? ret : acpi_lpss_suspend(dev, device_may_wakeup(dev));
+	return ret ? ret : acpi_lpss_suspend(dev, false);
 }
 
 static int acpi_lpss_resume_early(struct device *dev)
 {
-	int ret = acpi_lpss_resume(dev);
+	int ret = acpi_lpss_resume(dev, false);
 
 	return ret ? ret : pm_generic_resume_early(dev);
 }
@@ -1020,7 +1024,7 @@ static int acpi_lpss_runtime_suspend(struct device *dev)
 
 static int acpi_lpss_runtime_resume(struct device *dev)
 {
-	int ret = acpi_lpss_resume(dev);
+	int ret = acpi_lpss_resume(dev, true);
 
 	return ret ? ret : pm_generic_runtime_resume(dev);
 }
diff --git a/drivers/acpi/acpica/hwsleep.c b/drivers/acpi/acpica/hwsleep.c
index fc0c2e2328cd..fe9d46d81750 100644
--- a/drivers/acpi/acpica/hwsleep.c
+++ b/drivers/acpi/acpica/hwsleep.c
@@ -51,16 +51,23 @@ acpi_status acpi_hw_legacy_sleep(u8 sleep_state)
 		return_ACPI_STATUS(status);
 	}
 
-	/*
-	 * 1) Disable all GPEs
-	 * 2) Enable all wakeup GPEs
-	 */
+	/* Disable all GPEs */
 	status = acpi_hw_disable_all_gpes();
 	if (ACPI_FAILURE(status)) {
 		return_ACPI_STATUS(status);
 	}
+	/*
+	 * If the target sleep state is S5, clear all GPEs and fixed events too
+	 */
+	if (sleep_state == ACPI_STATE_S5) {
+		status = acpi_hw_clear_acpi_status();
+		if (ACPI_FAILURE(status)) {
+			return_ACPI_STATUS(status);
+		}
+	}
 	acpi_gbl_system_awake_and_running = FALSE;
 
+	 /* Enable all wakeup GPEs */
 	status = acpi_hw_enable_all_wakeup_gpes();
 	if (ACPI_FAILURE(status)) {
 		return_ACPI_STATUS(status);
diff --git a/drivers/acpi/acpica/psloop.c b/drivers/acpi/acpica/psloop.c
index bc5f05906bd1..ee840be150b5 100644
--- a/drivers/acpi/acpica/psloop.c
+++ b/drivers/acpi/acpica/psloop.c
@@ -497,6 +497,18 @@ acpi_status acpi_ps_parse_loop(struct acpi_walk_state *walk_state)
 			status =
 			    acpi_ps_create_op(walk_state, aml_op_start, &op);
 			if (ACPI_FAILURE(status)) {
+				/*
+				 * ACPI_PARSE_MODULE_LEVEL means that we are loading a table by
+				 * executing it as a control method. However, if we encounter
+				 * an error while loading the table, we need to keep trying to
+				 * load the table rather than aborting the table load. Set the
+				 * status to AE_OK to proceed with the table load.
+				 */
+				if ((walk_state->
+				     parse_flags & ACPI_PARSE_MODULE_LEVEL)
+				    && status == AE_ALREADY_EXISTS) {
+					status = AE_OK;
+				}
 				if (status == AE_CTRL_PARSE_CONTINUE) {
 					continue;
 				}
@@ -694,6 +706,20 @@ acpi_status acpi_ps_parse_loop(struct acpi_walk_state *walk_state)
 			    acpi_ps_next_parse_state(walk_state, op, status);
 			if (status == AE_CTRL_PENDING) {
 				status = AE_OK;
+			} else
+			    if ((walk_state->
+				 parse_flags & ACPI_PARSE_MODULE_LEVEL)
+				&& ACPI_FAILURE(status)) {
+				/*
+				 * ACPI_PARSE_MODULE_LEVEL means that we are loading a table by
+				 * executing it as a control method. However, if we encounter
+				 * an error while loading the table, we need to keep trying to
+				 * load the table rather than aborting the table load. Set the
+				 * status to AE_OK to proceed with the table load. If we get a
+				 * failure at this point, it means that the dispatcher got an
+				 * error while processing Op (most likely an AML operand error.
+				 */
+				status = AE_OK;
 			}
 		}
 
diff --git a/drivers/acpi/acpica/uterror.c b/drivers/acpi/acpica/uterror.c
index 5a64ddaed8a3..e47430272692 100644
--- a/drivers/acpi/acpica/uterror.c
+++ b/drivers/acpi/acpica/uterror.c
@@ -182,19 +182,19 @@ acpi_ut_prefixed_namespace_error(const char *module_name,
 	switch (lookup_status) {
 	case AE_ALREADY_EXISTS:
 
-		acpi_os_printf("\n" ACPI_MSG_BIOS_ERROR);
+		acpi_os_printf(ACPI_MSG_BIOS_ERROR);
 		message = "Failure creating";
 		break;
 
 	case AE_NOT_FOUND:
 
-		acpi_os_printf("\n" ACPI_MSG_BIOS_ERROR);
+		acpi_os_printf(ACPI_MSG_BIOS_ERROR);
 		message = "Could not resolve";
 		break;
 
 	default:
 
-		acpi_os_printf("\n" ACPI_MSG_ERROR);
+		acpi_os_printf(ACPI_MSG_ERROR);
 		message = "Failure resolving";
 		break;
 	}
diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c
index b0113a5802a3..d79ad844c78f 100644
--- a/drivers/acpi/battery.c
+++ b/drivers/acpi/battery.c
@@ -717,10 +717,11 @@ void battery_hook_register(struct acpi_battery_hook *hook)
 			 */
 			pr_err("extension failed to load: %s", hook->name);
 			__battery_hook_unregister(hook, 0);
-			return;
+			goto end;
 		}
 	}
 	pr_info("new extension: %s\n", hook->name);
+end:
 	mutex_unlock(&hook_mutex);
 }
 EXPORT_SYMBOL_GPL(battery_hook_register);
@@ -732,7 +733,7 @@ EXPORT_SYMBOL_GPL(battery_hook_register);
 */
 static void battery_hook_add_battery(struct acpi_battery *battery)
 {
-	struct acpi_battery_hook *hook_node;
+	struct acpi_battery_hook *hook_node, *tmp;
 
 	mutex_lock(&hook_mutex);
 	INIT_LIST_HEAD(&battery->list);
@@ -744,15 +745,15 @@ static void battery_hook_add_battery(struct acpi_battery *battery)
 	 * when a battery gets hotplugged or initialized
 	 * during the battery module initialization.
 	 */
-	list_for_each_entry(hook_node, &battery_hook_list, list) {
+	list_for_each_entry_safe(hook_node, tmp, &battery_hook_list, list) {
 		if (hook_node->add_battery(battery->bat)) {
 			/*
 			 * The notification of the extensions has failed, to
 			 * prevent further errors we will unload the extension.
 			 */
-			__battery_hook_unregister(hook_node, 0);
 			pr_err("error in extension, unloading: %s",
 					hook_node->name);
+			__battery_hook_unregister(hook_node, 0);
 		}
 	}
 	mutex_unlock(&hook_mutex);
diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
index bb94cf0731fe..917f77f4cb55 100644
--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -2037,6 +2037,17 @@ static inline void acpi_ec_query_exit(void)
 	}
 }
 
+static const struct dmi_system_id acpi_ec_no_wakeup[] = {
+	{
+		.ident = "Thinkpad X1 Carbon 6th",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+			DMI_MATCH(DMI_PRODUCT_FAMILY, "Thinkpad X1 Carbon 6th"),
+		},
+	},
+	{ },
+};
+
 int __init acpi_ec_init(void)
 {
 	int result;
@@ -2047,6 +2058,15 @@ int __init acpi_ec_init(void)
 	if (result)
 		return result;
 
+	/*
+	 * Disable EC wakeup on following systems to prevent periodic
+	 * wakeup from EC GPE.
+	 */
+	if (dmi_check_system(acpi_ec_no_wakeup)) {
+		ec_no_wakeup = true;
+		pr_debug("Disabling EC wakeup on suspend-to-idle\n");
+	}
+
 	/* Drivers must be started after acpi_ec_query_init() */
 	dsdt_fail = acpi_bus_register_driver(&acpi_ec_driver);
 	/*
diff --git a/drivers/acpi/nfit/core.c b/drivers/acpi/nfit/core.c
index d15814e1727f..7c479002e798 100644
--- a/drivers/acpi/nfit/core.c
+++ b/drivers/acpi/nfit/core.c
@@ -408,6 +408,8 @@ int acpi_nfit_ctl(struct nvdimm_bus_descriptor *nd_desc, struct nvdimm *nvdimm,
 	const guid_t *guid;
 	int rc, i;
 
+	if (cmd_rc)
+		*cmd_rc = -EINVAL;
 	func = cmd;
 	if (cmd == ND_CMD_CALL) {
 		call_pkg = buf;
@@ -518,6 +520,8 @@ int acpi_nfit_ctl(struct nvdimm_bus_descriptor *nd_desc, struct nvdimm *nvdimm,
 		 * If we return an error (like elsewhere) then caller wouldn't
 		 * be able to rely upon data returned to make calculation.
 		 */
+		if (cmd_rc)
+			*cmd_rc = 0;
 		return 0;
 	}
 
@@ -1273,7 +1277,7 @@ static ssize_t scrub_show(struct device *dev,
 
 		mutex_lock(&acpi_desc->init_mutex);
 		rc = sprintf(buf, "%d%s", acpi_desc->scrub_count,
-				work_busy(&acpi_desc->dwork.work)
+				acpi_desc->scrub_busy
 				&& !acpi_desc->cancel ? "+\n" : "\n");
 		mutex_unlock(&acpi_desc->init_mutex);
 	}
@@ -2939,6 +2943,32 @@ static unsigned int __acpi_nfit_scrub(struct acpi_nfit_desc *acpi_desc,
 	return 0;
 }
 
+static void __sched_ars(struct acpi_nfit_desc *acpi_desc, unsigned int tmo)
+{
+	lockdep_assert_held(&acpi_desc->init_mutex);
+
+	acpi_desc->scrub_busy = 1;
+	/* note this should only be set from within the workqueue */
+	if (tmo)
+		acpi_desc->scrub_tmo = tmo;
+	queue_delayed_work(nfit_wq, &acpi_desc->dwork, tmo * HZ);
+}
+
+static void sched_ars(struct acpi_nfit_desc *acpi_desc)
+{
+	__sched_ars(acpi_desc, 0);
+}
+
+static void notify_ars_done(struct acpi_nfit_desc *acpi_desc)
+{
+	lockdep_assert_held(&acpi_desc->init_mutex);
+
+	acpi_desc->scrub_busy = 0;
+	acpi_desc->scrub_count++;
+	if (acpi_desc->scrub_count_state)
+		sysfs_notify_dirent(acpi_desc->scrub_count_state);
+}
+
 static void acpi_nfit_scrub(struct work_struct *work)
 {
 	struct acpi_nfit_desc *acpi_desc;
@@ -2949,14 +2979,10 @@ static void acpi_nfit_scrub(struct work_struct *work)
 	mutex_lock(&acpi_desc->init_mutex);
 	query_rc = acpi_nfit_query_poison(acpi_desc);
 	tmo = __acpi_nfit_scrub(acpi_desc, query_rc);
-	if (tmo) {
-		queue_delayed_work(nfit_wq, &acpi_desc->dwork, tmo * HZ);
-		acpi_desc->scrub_tmo = tmo;
-	} else {
-		acpi_desc->scrub_count++;
-		if (acpi_desc->scrub_count_state)
-			sysfs_notify_dirent(acpi_desc->scrub_count_state);
-	}
+	if (tmo)
+		__sched_ars(acpi_desc, tmo);
+	else
+		notify_ars_done(acpi_desc);
 	memset(acpi_desc->ars_status, 0, acpi_desc->max_ars);
 	mutex_unlock(&acpi_desc->init_mutex);
 }
@@ -3037,7 +3063,7 @@ static int acpi_nfit_register_regions(struct acpi_nfit_desc *acpi_desc)
 			break;
 		}
 
-	queue_delayed_work(nfit_wq, &acpi_desc->dwork, 0);
+	sched_ars(acpi_desc);
 	return 0;
 }
 
@@ -3239,7 +3265,7 @@ int acpi_nfit_ars_rescan(struct acpi_nfit_desc *acpi_desc, unsigned long flags)
 		}
 	}
 	if (scheduled) {
-		queue_delayed_work(nfit_wq, &acpi_desc->dwork, 0);
+		sched_ars(acpi_desc);
 		dev_dbg(dev, "ars_scan triggered\n");
 	}
 	mutex_unlock(&acpi_desc->init_mutex);
diff --git a/drivers/acpi/nfit/nfit.h b/drivers/acpi/nfit/nfit.h
index 7d15856a739f..a97ff42fe311 100644
--- a/drivers/acpi/nfit/nfit.h
+++ b/drivers/acpi/nfit/nfit.h
@@ -203,6 +203,7 @@ struct acpi_nfit_desc {
 	unsigned int max_ars;
 	unsigned int scrub_count;
 	unsigned int scrub_mode;
+	unsigned int scrub_busy:1;
 	unsigned int cancel:1;
 	unsigned long dimm_cmd_force_en;
 	unsigned long bus_cmd_force_en;
diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
index 7ca41bf023c9..8df9abfa947b 100644
--- a/drivers/acpi/osl.c
+++ b/drivers/acpi/osl.c
@@ -45,6 +45,8 @@
 #include <linux/uaccess.h>
 #include <linux/io-64-nonatomic-lo-hi.h>
 
+#include "acpica/accommon.h"
+#include "acpica/acnamesp.h"
 #include "internal.h"
 
 #define _COMPONENT		ACPI_OS_SERVICES
@@ -1490,6 +1492,76 @@ int acpi_check_region(resource_size_t start, resource_size_t n,
 }
 EXPORT_SYMBOL(acpi_check_region);
 
+static acpi_status acpi_deactivate_mem_region(acpi_handle handle, u32 level,
+					      void *_res, void **return_value)
+{
+	struct acpi_mem_space_context **mem_ctx;
+	union acpi_operand_object *handler_obj;
+	union acpi_operand_object *region_obj2;
+	union acpi_operand_object *region_obj;
+	struct resource *res = _res;
+	acpi_status status;
+
+	region_obj = acpi_ns_get_attached_object(handle);
+	if (!region_obj)
+		return AE_OK;
+
+	handler_obj = region_obj->region.handler;
+	if (!handler_obj)
+		return AE_OK;
+
+	if (region_obj->region.space_id != ACPI_ADR_SPACE_SYSTEM_MEMORY)
+		return AE_OK;
+
+	if (!(region_obj->region.flags & AOPOBJ_SETUP_COMPLETE))
+		return AE_OK;
+
+	region_obj2 = acpi_ns_get_secondary_object(region_obj);
+	if (!region_obj2)
+		return AE_OK;
+
+	mem_ctx = (void *)&region_obj2->extra.region_context;
+
+	if (!(mem_ctx[0]->address >= res->start &&
+	      mem_ctx[0]->address < res->end))
+		return AE_OK;
+
+	status = handler_obj->address_space.setup(region_obj,
+						  ACPI_REGION_DEACTIVATE,
+						  NULL, (void **)mem_ctx);
+	if (ACPI_SUCCESS(status))
+		region_obj->region.flags &= ~(AOPOBJ_SETUP_COMPLETE);
+
+	return status;
+}
+
+/**
+ * acpi_release_memory - Release any mappings done to a memory region
+ * @handle: Handle to namespace node
+ * @res: Memory resource
+ * @level: A level that terminates the search
+ *
+ * Walks through @handle and unmaps all SystemMemory Operation Regions that
+ * overlap with @res and that have already been activated (mapped).
+ *
+ * This is a helper that allows drivers to place special requirements on memory
+ * region that may overlap with operation regions, primarily allowing them to
+ * safely map the region as non-cached memory.
+ *
+ * The unmapped Operation Regions will be automatically remapped next time they
+ * are called, so the drivers do not need to do anything else.
+ */
+acpi_status acpi_release_memory(acpi_handle handle, struct resource *res,
+				u32 level)
+{
+	if (!(res->flags & IORESOURCE_MEM))
+		return AE_TYPE;
+
+	return acpi_walk_namespace(ACPI_TYPE_REGION, handle, level,
+				   acpi_deactivate_mem_region, NULL, res, NULL);
+}
+EXPORT_SYMBOL_GPL(acpi_release_memory);
+
 /*
  * Let drivers know whether the resource checks are effective
  */
diff --git a/drivers/acpi/pptt.c b/drivers/acpi/pptt.c
index e5ea1974d1e3..d1e26cb599bf 100644
--- a/drivers/acpi/pptt.c
+++ b/drivers/acpi/pptt.c
@@ -481,8 +481,14 @@ static int topology_get_acpi_cpu_tag(struct acpi_table_header *table,
 	if (cpu_node) {
 		cpu_node = acpi_find_processor_package_id(table, cpu_node,
 							  level, flag);
-		/* Only the first level has a guaranteed id */
-		if (level == 0)
+		/*
+		 * As per specification if the processor structure represents
+		 * an actual processor, then ACPI processor ID must be valid.
+		 * For processor containers ACPI_PPTT_ACPI_PROCESSOR_ID_VALID
+		 * should be set if the UID is valid
+		 */
+		if (level == 0 ||
+		    cpu_node->flags & ACPI_PPTT_ACPI_PROCESSOR_ID_VALID)
 			return cpu_node->acpi_processor_id;
 		return ACPI_PTR_DIFF(cpu_node, table);
 	}
diff --git a/drivers/ata/Kconfig b/drivers/ata/Kconfig
index 2b16e7c8fff3..39b181d6bd0d 100644
--- a/drivers/ata/Kconfig
+++ b/drivers/ata/Kconfig
@@ -398,7 +398,6 @@ config SATA_DWC_VDEBUG
 
 config SATA_HIGHBANK
 	tristate "Calxeda Highbank SATA support"
-	depends on HAS_DMA
 	depends on ARCH_HIGHBANK || COMPILE_TEST
 	help
 	  This option enables support for the Calxeda Highbank SoC's
@@ -408,7 +407,6 @@ config SATA_HIGHBANK
 
 config SATA_MV
 	tristate "Marvell SATA support"
-	depends on HAS_DMA
 	depends on PCI || ARCH_DOVE || ARCH_MV78XX0 || \
 		   ARCH_MVEBU || ARCH_ORION5X || COMPILE_TEST
 	select GENERIC_PHY
diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index 738fb22978dd..b2b9eba1d214 100644
--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c
@@ -400,6 +400,7 @@ static const struct pci_device_id ahci_pci_tbl[] = {
 	{ PCI_VDEVICE(INTEL, 0x0f23), board_ahci_mobile }, /* Bay Trail AHCI */
 	{ PCI_VDEVICE(INTEL, 0x22a3), board_ahci_mobile }, /* Cherry Tr. AHCI */
 	{ PCI_VDEVICE(INTEL, 0x5ae3), board_ahci_mobile }, /* ApolloLake AHCI */
+	{ PCI_VDEVICE(INTEL, 0x34d3), board_ahci_mobile }, /* Ice Lake LP AHCI */
 
 	/* JMicron 360/1/3/5/6, match class to avoid IDE function */
 	{ PCI_VENDOR_ID_JMICRON, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
@@ -1280,6 +1281,59 @@ static bool ahci_broken_suspend(struct pci_dev *pdev)
 	return strcmp(buf, dmi->driver_data) < 0;
 }
 
+static bool ahci_broken_lpm(struct pci_dev *pdev)
+{
+	static const struct dmi_system_id sysids[] = {
+		/* Various Lenovo 50 series have LPM issues with older BIOSen */
+		{
+			.matches = {
+				DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+				DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad X250"),
+			},
+			.driver_data = "20180406", /* 1.31 */
+		},
+		{
+			.matches = {
+				DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+				DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad L450"),
+			},
+			.driver_data = "20180420", /* 1.28 */
+		},
+		{
+			.matches = {
+				DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+				DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T450s"),
+			},
+			.driver_data = "20180315", /* 1.33 */
+		},
+		{
+			.matches = {
+				DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+				DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad W541"),
+			},
+			/*
+			 * Note date based on release notes, 2.35 has been
+			 * reported to be good, but I've been unable to get
+			 * a hold of the reporter to get the DMI BIOS date.
+			 * TODO: fix this.
+			 */
+			.driver_data = "20180310", /* 2.35 */
+		},
+		{ }	/* terminate list */
+	};
+	const struct dmi_system_id *dmi = dmi_first_match(sysids);
+	int year, month, date;
+	char buf[9];
+
+	if (!dmi)
+		return false;
+
+	dmi_get_date(DMI_BIOS_DATE, &year, &month, &date);
+	snprintf(buf, sizeof(buf), "%04d%02d%02d", year, month, date);
+
+	return strcmp(buf, dmi->driver_data) < 0;
+}
+
 static bool ahci_broken_online(struct pci_dev *pdev)
 {
 #define ENCODE_BUSDEVFN(bus, slot, func)			\
@@ -1694,6 +1748,12 @@ static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 			"quirky BIOS, skipping spindown on poweroff\n");
 	}
 
+	if (ahci_broken_lpm(pdev)) {
+		pi.flags |= ATA_FLAG_NO_LPM;
+		dev_warn(&pdev->dev,
+			 "BIOS update required for Link Power Management support\n");
+	}
+
 	if (ahci_broken_suspend(pdev)) {
 		hpriv->flags |= AHCI_HFLAG_NO_SUSPEND;
 		dev_warn(&pdev->dev,
diff --git a/drivers/ata/ahci_mvebu.c b/drivers/ata/ahci_mvebu.c
index 0045dacd814b..72d90b4c3aae 100644
--- a/drivers/ata/ahci_mvebu.c
+++ b/drivers/ata/ahci_mvebu.c
@@ -82,7 +82,7 @@ static void ahci_mvebu_regret_option(struct ahci_host_priv *hpriv)
  *
  * Return: 0 on success; Error code otherwise.
  */
-int ahci_mvebu_stop_engine(struct ata_port *ap)
+static int ahci_mvebu_stop_engine(struct ata_port *ap)
 {
 	void __iomem *port_mmio = ahci_port_base(ap);
 	u32 tmp, port_fbs;
diff --git a/drivers/ata/libahci.c b/drivers/ata/libahci.c
index 965842a08743..09620c2ffa0f 100644
--- a/drivers/ata/libahci.c
+++ b/drivers/ata/libahci.c
@@ -35,6 +35,7 @@
 #include <linux/kernel.h>
 #include <linux/gfp.h>
 #include <linux/module.h>
+#include <linux/nospec.h>
 #include <linux/blkdev.h>
 #include <linux/delay.h>
 #include <linux/interrupt.h>
@@ -1146,10 +1147,12 @@ static ssize_t ahci_led_store(struct ata_port *ap, const char *buf,
 
 	/* get the slot number from the message */
 	pmp = (state & EM_MSG_LED_PMP_SLOT) >> 8;
-	if (pmp < EM_MAX_SLOTS)
+	if (pmp < EM_MAX_SLOTS) {
+		pmp = array_index_nospec(pmp, EM_MAX_SLOTS);
 		emp = &pp->em_priv[pmp];
-	else
+	} else {
 		return -EINVAL;
+	}
 
 	/* mask off the activity bits if we are in sw_activity
 	 * mode, user should turn off sw_activity before setting
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 27d15ed7fa3d..cc71c63df381 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -2493,6 +2493,9 @@ int ata_dev_configure(struct ata_device *dev)
 	    (id[ATA_ID_SATA_CAPABILITY] & 0xe) == 0x2)
 		dev->horkage |= ATA_HORKAGE_NOLPM;
 
+	if (ap->flags & ATA_FLAG_NO_LPM)
+		dev->horkage |= ATA_HORKAGE_NOLPM;
+
 	if (dev->horkage & ATA_HORKAGE_NOLPM) {
 		ata_dev_warn(dev, "LPM support broken, forcing max_power\n");
 		dev->link->ap->target_lpm_policy = ATA_LPM_MAX_POWER;
diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c
index d5412145d76d..01306c018398 100644
--- a/drivers/ata/libata-eh.c
+++ b/drivers/ata/libata-eh.c
@@ -614,8 +614,7 @@ void ata_scsi_cmd_error_handler(struct Scsi_Host *host, struct ata_port *ap,
 		list_for_each_entry_safe(scmd, tmp, eh_work_q, eh_entry) {
 			struct ata_queued_cmd *qc;
 
-			for (i = 0; i < ATA_MAX_QUEUE; i++) {
-				qc = __ata_qc_from_tag(ap, i);
+			ata_qc_for_each_raw(ap, qc, i) {
 				if (qc->flags & ATA_QCFLAG_ACTIVE &&
 				    qc->scsicmd == scmd)
 					break;
@@ -818,14 +817,13 @@ EXPORT_SYMBOL_GPL(ata_port_wait_eh);
 
 static int ata_eh_nr_in_flight(struct ata_port *ap)
 {
+	struct ata_queued_cmd *qc;
 	unsigned int tag;
 	int nr = 0;
 
 	/* count only non-internal commands */
-	for (tag = 0; tag < ATA_MAX_QUEUE; tag++) {
-		if (ata_tag_internal(tag))
-			continue;
-		if (ata_qc_from_tag(ap, tag))
+	ata_qc_for_each(ap, qc, tag) {
+		if (qc)
 			nr++;
 	}
 
@@ -847,13 +845,13 @@ void ata_eh_fastdrain_timerfn(struct timer_list *t)
 		goto out_unlock;
 
 	if (cnt == ap->fastdrain_cnt) {
+		struct ata_queued_cmd *qc;
 		unsigned int tag;
 
 		/* No progress during the last interval, tag all
 		 * in-flight qcs as timed out and freeze the port.
 		 */
-		for (tag = 0; tag < ATA_MAX_QUEUE; tag++) {
-			struct ata_queued_cmd *qc = ata_qc_from_tag(ap, tag);
+		ata_qc_for_each(ap, qc, tag) {
 			if (qc)
 				qc->err_mask |= AC_ERR_TIMEOUT;
 		}
@@ -999,6 +997,7 @@ void ata_port_schedule_eh(struct ata_port *ap)
 
 static int ata_do_link_abort(struct ata_port *ap, struct ata_link *link)
 {
+	struct ata_queued_cmd *qc;
 	int tag, nr_aborted = 0;
 
 	WARN_ON(!ap->ops->error_handler);
@@ -1007,9 +1006,7 @@ static int ata_do_link_abort(struct ata_port *ap, struct ata_link *link)
 	ata_eh_set_pending(ap, 0);
 
 	/* include internal tag in iteration */
-	for (tag = 0; tag <= ATA_MAX_QUEUE; tag++) {
-		struct ata_queued_cmd *qc = ata_qc_from_tag(ap, tag);
-
+	ata_qc_for_each_with_internal(ap, qc, tag) {
 		if (qc && (!link || qc->dev->link == link)) {
 			qc->flags |= ATA_QCFLAG_FAILED;
 			ata_qc_complete(qc);
@@ -1712,9 +1709,7 @@ void ata_eh_analyze_ncq_error(struct ata_link *link)
 		return;
 
 	/* has LLDD analyzed already? */
-	for (tag = 0; tag < ATA_MAX_QUEUE; tag++) {
-		qc = __ata_qc_from_tag(ap, tag);
-
+	ata_qc_for_each_raw(ap, qc, tag) {
 		if (!(qc->flags & ATA_QCFLAG_FAILED))
 			continue;
 
@@ -2136,6 +2131,7 @@ static void ata_eh_link_autopsy(struct ata_link *link)
 {
 	struct ata_port *ap = link->ap;
 	struct ata_eh_context *ehc = &link->eh_context;
+	struct ata_queued_cmd *qc;
 	struct ata_device *dev;
 	unsigned int all_err_mask = 0, eflags = 0;
 	int tag, nr_failed = 0, nr_quiet = 0;
@@ -2168,9 +2164,7 @@ static void ata_eh_link_autopsy(struct ata_link *link)
 
 	all_err_mask |= ehc->i.err_mask;
 
-	for (tag = 0; tag < ATA_MAX_QUEUE; tag++) {
-		struct ata_queued_cmd *qc = __ata_qc_from_tag(ap, tag);
-
+	ata_qc_for_each_raw(ap, qc, tag) {
 		if (!(qc->flags & ATA_QCFLAG_FAILED) ||
 		    ata_dev_phys_link(qc->dev) != link)
 			continue;
@@ -2436,6 +2430,7 @@ static void ata_eh_link_report(struct ata_link *link)
 {
 	struct ata_port *ap = link->ap;
 	struct ata_eh_context *ehc = &link->eh_context;
+	struct ata_queued_cmd *qc;
 	const char *frozen, *desc;
 	char tries_buf[6] = "";
 	int tag, nr_failed = 0;
@@ -2447,9 +2442,7 @@ static void ata_eh_link_report(struct ata_link *link)
 	if (ehc->i.desc[0] != '\0')
 		desc = ehc->i.desc;
 
-	for (tag = 0; tag < ATA_MAX_QUEUE; tag++) {
-		struct ata_queued_cmd *qc = __ata_qc_from_tag(ap, tag);
-
+	ata_qc_for_each_raw(ap, qc, tag) {
 		if (!(qc->flags & ATA_QCFLAG_FAILED) ||
 		    ata_dev_phys_link(qc->dev) != link ||
 		    ((qc->flags & ATA_QCFLAG_QUIET) &&
@@ -2511,8 +2504,7 @@ static void ata_eh_link_report(struct ata_link *link)
 		  ehc->i.serror & SERR_DEV_XCHG ? "DevExch " : "");
 #endif
 
-	for (tag = 0; tag < ATA_MAX_QUEUE; tag++) {
-		struct ata_queued_cmd *qc = __ata_qc_from_tag(ap, tag);
+	ata_qc_for_each_raw(ap, qc, tag) {
 		struct ata_taskfile *cmd = &qc->tf, *res = &qc->result_tf;
 		char data_buf[20] = "";
 		char cdb_buf[70] = "";
@@ -3992,12 +3984,11 @@ int ata_eh_recover(struct ata_port *ap, ata_prereset_fn_t prereset,
  */
 void ata_eh_finish(struct ata_port *ap)
 {
+	struct ata_queued_cmd *qc;
 	int tag;
 
 	/* retry or finish qcs */
-	for (tag = 0; tag < ATA_MAX_QUEUE; tag++) {
-		struct ata_queued_cmd *qc = __ata_qc_from_tag(ap, tag);
-
+	ata_qc_for_each_raw(ap, qc, tag) {
 		if (!(qc->flags & ATA_QCFLAG_FAILED))
 			continue;
 
diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c
index 6a91d04351d9..aad1b01447de 100644
--- a/drivers/ata/libata-scsi.c
+++ b/drivers/ata/libata-scsi.c
@@ -3805,10 +3805,20 @@ static unsigned int ata_scsi_zbc_out_xlat(struct ata_queued_cmd *qc)
 		 */
 		goto invalid_param_len;
 	}
-	if (block > dev->n_sectors)
-		goto out_of_range;
 
 	all = cdb[14] & 0x1;
+	if (all) {
+		/*
+		 * Ignore the block address (zone ID) as defined by ZBC.
+		 */
+		block = 0;
+	} else if (block >= dev->n_sectors) {
+		/*
+		 * Block must be a valid zone ID (a zone start LBA).
+		 */
+		fp = 2;
+		goto invalid_fld;
+	}
 
 	if (ata_ncq_enabled(qc->dev) &&
 	    ata_fpdma_zac_mgmt_out_supported(qc->dev)) {
@@ -3837,10 +3847,6 @@ static unsigned int ata_scsi_zbc_out_xlat(struct ata_queued_cmd *qc)
  invalid_fld:
 	ata_scsi_set_invalid_field(qc->dev, scmd, fp, 0xff);
 	return 1;
- out_of_range:
-	/* "Logical Block Address out of range" */
-	ata_scsi_set_sense(qc->dev, scmd, ILLEGAL_REQUEST, 0x21, 0x00);
-	return 1;
 invalid_param_len:
 	/* "Parameter list length error" */
 	ata_scsi_set_sense(qc->dev, scmd, ILLEGAL_REQUEST, 0x1a, 0x0);
diff --git a/drivers/ata/sata_fsl.c b/drivers/ata/sata_fsl.c
index b8d9cfc60374..4dc528bf8e85 100644
--- a/drivers/ata/sata_fsl.c
+++ b/drivers/ata/sata_fsl.c
@@ -395,12 +395,6 @@ static inline unsigned int sata_fsl_tag(unsigned int tag,
 {
 	/* We let libATA core do actual (queue) tag allocation */
 
-	/* all non NCQ/queued commands should have tag#0 */
-	if (ata_tag_internal(tag)) {
-		DPRINTK("mapping internal cmds to tag#0\n");
-		return 0;
-	}
-
 	if (unlikely(tag >= SATA_FSL_QUEUE_DEPTH)) {
 		DPRINTK("tag %d invalid : out of range\n", tag);
 		return 0;
@@ -1229,8 +1223,7 @@ static void sata_fsl_host_intr(struct ata_port *ap)
 
 	/* Workaround for data length mismatch errata */
 	if (unlikely(hstatus & INT_ON_DATA_LENGTH_MISMATCH)) {
-		for (tag = 0; tag < ATA_MAX_QUEUE; tag++) {
-			qc = ata_qc_from_tag(ap, tag);
+		ata_qc_for_each_with_internal(ap, qc, tag) {
 			if (qc && ata_is_atapi(qc->tf.protocol)) {
 				u32 hcontrol;
 				/* Set HControl[27] to clear error registers */
diff --git a/drivers/ata/sata_nv.c b/drivers/ata/sata_nv.c
index 10ae11aa1926..72c9b922a77b 100644
--- a/drivers/ata/sata_nv.c
+++ b/drivers/ata/sata_nv.c
@@ -675,7 +675,6 @@ static int nv_adma_slave_config(struct scsi_device *sdev)
 	struct ata_port *ap = ata_shost_to_port(sdev->host);
 	struct nv_adma_port_priv *pp = ap->private_data;
 	struct nv_adma_port_priv *port0, *port1;
-	struct scsi_device *sdev0, *sdev1;
 	struct pci_dev *pdev = to_pci_dev(ap->host->dev);
 	unsigned long segment_boundary, flags;
 	unsigned short sg_tablesize;
@@ -736,8 +735,6 @@ static int nv_adma_slave_config(struct scsi_device *sdev)
 
 	port0 = ap->host->ports[0]->private_data;
 	port1 = ap->host->ports[1]->private_data;
-	sdev0 = ap->host->ports[0]->link.device[0].sdev;
-	sdev1 = ap->host->ports[1]->link.device[0].sdev;
 	if ((port0->flags & NV_ADMA_ATAPI_SETUP_COMPLETE) ||
 	    (port1->flags & NV_ADMA_ATAPI_SETUP_COMPLETE)) {
 		/*
diff --git a/drivers/atm/iphase.c b/drivers/atm/iphase.c
index ff81a576347e..82532c299bb5 100644
--- a/drivers/atm/iphase.c
+++ b/drivers/atm/iphase.c
@@ -1618,7 +1618,7 @@ static int rx_init(struct atm_dev *dev)
 	skb_queue_head_init(&iadev->rx_dma_q);  
 	iadev->rx_free_desc_qhead = NULL;   
 
-	iadev->rx_open = kcalloc(4, iadev->num_vc, GFP_KERNEL);
+	iadev->rx_open = kcalloc(iadev->num_vc, sizeof(void *), GFP_KERNEL);
 	if (!iadev->rx_open) {
 		printk(KERN_ERR DEV_LABEL "itf %d couldn't get free page\n",
 		dev->number);  
diff --git a/drivers/atm/zatm.c b/drivers/atm/zatm.c
index a8d2eb0ceb8d..2c288d1f42bb 100644
--- a/drivers/atm/zatm.c
+++ b/drivers/atm/zatm.c
@@ -1483,6 +1483,8 @@ static int zatm_ioctl(struct atm_dev *dev,unsigned int cmd,void __user *arg)
 					return -EFAULT;
 				if (pool < 0 || pool > ZATM_LAST_POOL)
 					return -EINVAL;
+				pool = array_index_nospec(pool,
+							  ZATM_LAST_POOL + 1);
 				if (copy_from_user(&info,
 				    &((struct zatm_pool_req __user *) arg)->info,
 				    sizeof(info))) return -EFAULT;
diff --git a/drivers/base/Makefile b/drivers/base/Makefile
index b074f242a435..704f44295810 100644
--- a/drivers/base/Makefile
+++ b/drivers/base/Makefile
@@ -8,10 +8,7 @@ obj-y			:= component.o core.o bus.o dd.o syscore.o \
 			   topology.o container.o property.o cacheinfo.o \
 			   devcon.o
 obj-$(CONFIG_DEVTMPFS)	+= devtmpfs.o
-obj-$(CONFIG_DMA_CMA) += dma-contiguous.o
 obj-y			+= power/
-obj-$(CONFIG_HAS_DMA)	+= dma-mapping.o
-obj-$(CONFIG_HAVE_GENERIC_DMA_COHERENT) += dma-coherent.o
 obj-$(CONFIG_ISA_BUS_API)	+= isa.o
 obj-y				+= firmware_loader/
 obj-$(CONFIG_NUMA)	+= node.o
diff --git a/drivers/base/core.c b/drivers/base/core.c
index 36622b52e419..df3e1a44707a 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -236,6 +236,13 @@ struct device_link *device_link_add(struct device *consumer,
 			link->rpm_active = true;
 		}
 		pm_runtime_new_link(consumer);
+		/*
+		 * If the link is being added by the consumer driver at probe
+		 * time, balance the decrementation of the supplier's runtime PM
+		 * usage counter after consumer probe in driver_probe_device().
+		 */
+		if (consumer->links.status == DL_DEV_PROBING)
+			pm_runtime_get_noresume(supplier);
 	}
 	get_device(supplier);
 	link->supplier = supplier;
@@ -255,12 +262,12 @@ struct device_link *device_link_add(struct device *consumer,
 			switch (consumer->links.status) {
 			case DL_DEV_PROBING:
 				/*
-				 * Balance the decrementation of the supplier's
-				 * runtime PM usage counter after consumer probe
-				 * in driver_probe_device().
+				 * Some callers expect the link creation during
+				 * consumer driver probe to resume the supplier
+				 * even without DL_FLAG_RPM_ACTIVE.
 				 */
 				if (flags & DL_FLAG_PM_RUNTIME)
-					pm_runtime_get_sync(supplier);
+					pm_runtime_resume(supplier);
 
 				link->status = DL_STATE_CONSUMER_PROBE;
 				break;
diff --git a/drivers/base/dd.c b/drivers/base/dd.c
index 1435d7281c66..6ebcd65d64b6 100644
--- a/drivers/base/dd.c
+++ b/drivers/base/dd.c
@@ -434,14 +434,6 @@ re_probe:
 			goto probe_failed;
 	}
 
-	/*
-	 * Ensure devices are listed in devices_kset in correct order
-	 * It's important to move Dev to the end of devices_kset before
-	 * calling .probe, because it could be recursive and parent Dev
-	 * should always go first
-	 */
-	devices_kset_move_last(dev);
-
 	if (dev->bus->probe) {
 		ret = dev->bus->probe(dev);
 		if (ret)
diff --git a/drivers/base/dma-coherent.c b/drivers/base/dma-coherent.c
deleted file mode 100644
index 597d40893862..000000000000
--- a/drivers/base/dma-coherent.c
+++ /dev/null
@@ -1,434 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Coherent per-device memory handling.
- * Borrowed from i386
- */
-#include <linux/io.h>
-#include <linux/slab.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/dma-mapping.h>
-
-struct dma_coherent_mem {
-	void		*virt_base;
-	dma_addr_t	device_base;
-	unsigned long	pfn_base;
-	int		size;
-	int		flags;
-	unsigned long	*bitmap;
-	spinlock_t	spinlock;
-	bool		use_dev_dma_pfn_offset;
-};
-
-static struct dma_coherent_mem *dma_coherent_default_memory __ro_after_init;
-
-static inline struct dma_coherent_mem *dev_get_coherent_memory(struct device *dev)
-{
-	if (dev && dev->dma_mem)
-		return dev->dma_mem;
-	return NULL;
-}
-
-static inline dma_addr_t dma_get_device_base(struct device *dev,
-					     struct dma_coherent_mem * mem)
-{
-	if (mem->use_dev_dma_pfn_offset)
-		return (mem->pfn_base - dev->dma_pfn_offset) << PAGE_SHIFT;
-	else
-		return mem->device_base;
-}
-
-static int dma_init_coherent_memory(
-	phys_addr_t phys_addr, dma_addr_t device_addr, size_t size, int flags,
-	struct dma_coherent_mem **mem)
-{
-	struct dma_coherent_mem *dma_mem = NULL;
-	void __iomem *mem_base = NULL;
-	int pages = size >> PAGE_SHIFT;
-	int bitmap_size = BITS_TO_LONGS(pages) * sizeof(long);
-	int ret;
-
-	if (!size) {
-		ret = -EINVAL;
-		goto out;
-	}
-
-	mem_base = memremap(phys_addr, size, MEMREMAP_WC);
-	if (!mem_base) {
-		ret = -EINVAL;
-		goto out;
-	}
-	dma_mem = kzalloc(sizeof(struct dma_coherent_mem), GFP_KERNEL);
-	if (!dma_mem) {
-		ret = -ENOMEM;
-		goto out;
-	}
-	dma_mem->bitmap = kzalloc(bitmap_size, GFP_KERNEL);
-	if (!dma_mem->bitmap) {
-		ret = -ENOMEM;
-		goto out;
-	}
-
-	dma_mem->virt_base = mem_base;
-	dma_mem->device_base = device_addr;
-	dma_mem->pfn_base = PFN_DOWN(phys_addr);
-	dma_mem->size = pages;
-	dma_mem->flags = flags;
-	spin_lock_init(&dma_mem->spinlock);
-
-	*mem = dma_mem;
-	return 0;
-
-out:
-	kfree(dma_mem);
-	if (mem_base)
-		memunmap(mem_base);
-	return ret;
-}
-
-static void dma_release_coherent_memory(struct dma_coherent_mem *mem)
-{
-	if (!mem)
-		return;
-
-	memunmap(mem->virt_base);
-	kfree(mem->bitmap);
-	kfree(mem);
-}
-
-static int dma_assign_coherent_memory(struct device *dev,
-				      struct dma_coherent_mem *mem)
-{
-	if (!dev)
-		return -ENODEV;
-
-	if (dev->dma_mem)
-		return -EBUSY;
-
-	dev->dma_mem = mem;
-	return 0;
-}
-
-int dma_declare_coherent_memory(struct device *dev, phys_addr_t phys_addr,
-				dma_addr_t device_addr, size_t size, int flags)
-{
-	struct dma_coherent_mem *mem;
-	int ret;
-
-	ret = dma_init_coherent_memory(phys_addr, device_addr, size, flags, &mem);
-	if (ret)
-		return ret;
-
-	ret = dma_assign_coherent_memory(dev, mem);
-	if (ret)
-		dma_release_coherent_memory(mem);
-	return ret;
-}
-EXPORT_SYMBOL(dma_declare_coherent_memory);
-
-void dma_release_declared_memory(struct device *dev)
-{
-	struct dma_coherent_mem *mem = dev->dma_mem;
-
-	if (!mem)
-		return;
-	dma_release_coherent_memory(mem);
-	dev->dma_mem = NULL;
-}
-EXPORT_SYMBOL(dma_release_declared_memory);
-
-void *dma_mark_declared_memory_occupied(struct device *dev,
-					dma_addr_t device_addr, size_t size)
-{
-	struct dma_coherent_mem *mem = dev->dma_mem;
-	unsigned long flags;
-	int pos, err;
-
-	size += device_addr & ~PAGE_MASK;
-
-	if (!mem)
-		return ERR_PTR(-EINVAL);
-
-	spin_lock_irqsave(&mem->spinlock, flags);
-	pos = PFN_DOWN(device_addr - dma_get_device_base(dev, mem));
-	err = bitmap_allocate_region(mem->bitmap, pos, get_order(size));
-	spin_unlock_irqrestore(&mem->spinlock, flags);
-
-	if (err != 0)
-		return ERR_PTR(err);
-	return mem->virt_base + (pos << PAGE_SHIFT);
-}
-EXPORT_SYMBOL(dma_mark_declared_memory_occupied);
-
-static void *__dma_alloc_from_coherent(struct dma_coherent_mem *mem,
-		ssize_t size, dma_addr_t *dma_handle)
-{
-	int order = get_order(size);
-	unsigned long flags;
-	int pageno;
-	void *ret;
-
-	spin_lock_irqsave(&mem->spinlock, flags);
-
-	if (unlikely(size > (mem->size << PAGE_SHIFT)))
-		goto err;
-
-	pageno = bitmap_find_free_region(mem->bitmap, mem->size, order);
-	if (unlikely(pageno < 0))
-		goto err;
-
-	/*
-	 * Memory was found in the coherent area.
-	 */
-	*dma_handle = mem->device_base + (pageno << PAGE_SHIFT);
-	ret = mem->virt_base + (pageno << PAGE_SHIFT);
-	spin_unlock_irqrestore(&mem->spinlock, flags);
-	memset(ret, 0, size);
-	return ret;
-err:
-	spin_unlock_irqrestore(&mem->spinlock, flags);
-	return NULL;
-}
-
-/**
- * dma_alloc_from_dev_coherent() - allocate memory from device coherent pool
- * @dev:	device from which we allocate memory
- * @size:	size of requested memory area
- * @dma_handle:	This will be filled with the correct dma handle
- * @ret:	This pointer will be filled with the virtual address
- *		to allocated area.
- *
- * This function should be only called from per-arch dma_alloc_coherent()
- * to support allocation from per-device coherent memory pools.
- *
- * Returns 0 if dma_alloc_coherent should continue with allocating from
- * generic memory areas, or !0 if dma_alloc_coherent should return @ret.
- */
-int dma_alloc_from_dev_coherent(struct device *dev, ssize_t size,
-		dma_addr_t *dma_handle, void **ret)
-{
-	struct dma_coherent_mem *mem = dev_get_coherent_memory(dev);
-
-	if (!mem)
-		return 0;
-
-	*ret = __dma_alloc_from_coherent(mem, size, dma_handle);
-	if (*ret)
-		return 1;
-
-	/*
-	 * In the case where the allocation can not be satisfied from the
-	 * per-device area, try to fall back to generic memory if the
-	 * constraints allow it.
-	 */
-	return mem->flags & DMA_MEMORY_EXCLUSIVE;
-}
-EXPORT_SYMBOL(dma_alloc_from_dev_coherent);
-
-void *dma_alloc_from_global_coherent(ssize_t size, dma_addr_t *dma_handle)
-{
-	if (!dma_coherent_default_memory)
-		return NULL;
-
-	return __dma_alloc_from_coherent(dma_coherent_default_memory, size,
-			dma_handle);
-}
-
-static int __dma_release_from_coherent(struct dma_coherent_mem *mem,
-				       int order, void *vaddr)
-{
-	if (mem && vaddr >= mem->virt_base && vaddr <
-		   (mem->virt_base + (mem->size << PAGE_SHIFT))) {
-		int page = (vaddr - mem->virt_base) >> PAGE_SHIFT;
-		unsigned long flags;
-
-		spin_lock_irqsave(&mem->spinlock, flags);
-		bitmap_release_region(mem->bitmap, page, order);
-		spin_unlock_irqrestore(&mem->spinlock, flags);
-		return 1;
-	}
-	return 0;
-}
-
-/**
- * dma_release_from_dev_coherent() - free memory to device coherent memory pool
- * @dev:	device from which the memory was allocated
- * @order:	the order of pages allocated
- * @vaddr:	virtual address of allocated pages
- *
- * This checks whether the memory was allocated from the per-device
- * coherent memory pool and if so, releases that memory.
- *
- * Returns 1 if we correctly released the memory, or 0 if the caller should
- * proceed with releasing memory from generic pools.
- */
-int dma_release_from_dev_coherent(struct device *dev, int order, void *vaddr)
-{
-	struct dma_coherent_mem *mem = dev_get_coherent_memory(dev);
-
-	return __dma_release_from_coherent(mem, order, vaddr);
-}
-EXPORT_SYMBOL(dma_release_from_dev_coherent);
-
-int dma_release_from_global_coherent(int order, void *vaddr)
-{
-	if (!dma_coherent_default_memory)
-		return 0;
-
-	return __dma_release_from_coherent(dma_coherent_default_memory, order,
-			vaddr);
-}
-
-static int __dma_mmap_from_coherent(struct dma_coherent_mem *mem,
-		struct vm_area_struct *vma, void *vaddr, size_t size, int *ret)
-{
-	if (mem && vaddr >= mem->virt_base && vaddr + size <=
-		   (mem->virt_base + (mem->size << PAGE_SHIFT))) {
-		unsigned long off = vma->vm_pgoff;
-		int start = (vaddr - mem->virt_base) >> PAGE_SHIFT;
-		int user_count = vma_pages(vma);
-		int count = PAGE_ALIGN(size) >> PAGE_SHIFT;
-
-		*ret = -ENXIO;
-		if (off < count && user_count <= count - off) {
-			unsigned long pfn = mem->pfn_base + start + off;
-			*ret = remap_pfn_range(vma, vma->vm_start, pfn,
-					       user_count << PAGE_SHIFT,
-					       vma->vm_page_prot);
-		}
-		return 1;
-	}
-	return 0;
-}
-
-/**
- * dma_mmap_from_dev_coherent() - mmap memory from the device coherent pool
- * @dev:	device from which the memory was allocated
- * @vma:	vm_area for the userspace memory
- * @vaddr:	cpu address returned by dma_alloc_from_dev_coherent
- * @size:	size of the memory buffer allocated
- * @ret:	result from remap_pfn_range()
- *
- * This checks whether the memory was allocated from the per-device
- * coherent memory pool and if so, maps that memory to the provided vma.
- *
- * Returns 1 if @vaddr belongs to the device coherent pool and the caller
- * should return @ret, or 0 if they should proceed with mapping memory from
- * generic areas.
- */
-int dma_mmap_from_dev_coherent(struct device *dev, struct vm_area_struct *vma,
-			   void *vaddr, size_t size, int *ret)
-{
-	struct dma_coherent_mem *mem = dev_get_coherent_memory(dev);
-
-	return __dma_mmap_from_coherent(mem, vma, vaddr, size, ret);
-}
-EXPORT_SYMBOL(dma_mmap_from_dev_coherent);
-
-int dma_mmap_from_global_coherent(struct vm_area_struct *vma, void *vaddr,
-				   size_t size, int *ret)
-{
-	if (!dma_coherent_default_memory)
-		return 0;
-
-	return __dma_mmap_from_coherent(dma_coherent_default_memory, vma,
-					vaddr, size, ret);
-}
-
-/*
- * Support for reserved memory regions defined in device tree
- */
-#ifdef CONFIG_OF_RESERVED_MEM
-#include <linux/of.h>
-#include <linux/of_fdt.h>
-#include <linux/of_reserved_mem.h>
-
-static struct reserved_mem *dma_reserved_default_memory __initdata;
-
-static int rmem_dma_device_init(struct reserved_mem *rmem, struct device *dev)
-{
-	struct dma_coherent_mem *mem = rmem->priv;
-	int ret;
-
-	if (!mem) {
-		ret = dma_init_coherent_memory(rmem->base, rmem->base,
-					       rmem->size,
-					       DMA_MEMORY_EXCLUSIVE, &mem);
-		if (ret) {
-			pr_err("Reserved memory: failed to init DMA memory pool at %pa, size %ld MiB\n",
-				&rmem->base, (unsigned long)rmem->size / SZ_1M);
-			return ret;
-		}
-	}
-	mem->use_dev_dma_pfn_offset = true;
-	rmem->priv = mem;
-	dma_assign_coherent_memory(dev, mem);
-	return 0;
-}
-
-static void rmem_dma_device_release(struct reserved_mem *rmem,
-				    struct device *dev)
-{
-	if (dev)
-		dev->dma_mem = NULL;
-}
-
-static const struct reserved_mem_ops rmem_dma_ops = {
-	.device_init	= rmem_dma_device_init,
-	.device_release	= rmem_dma_device_release,
-};
-
-static int __init rmem_dma_setup(struct reserved_mem *rmem)
-{
-	unsigned long node = rmem->fdt_node;
-
-	if (of_get_flat_dt_prop(node, "reusable", NULL))
-		return -EINVAL;
-
-#ifdef CONFIG_ARM
-	if (!of_get_flat_dt_prop(node, "no-map", NULL)) {
-		pr_err("Reserved memory: regions without no-map are not yet supported\n");
-		return -EINVAL;
-	}
-
-	if (of_get_flat_dt_prop(node, "linux,dma-default", NULL)) {
-		WARN(dma_reserved_default_memory,
-		     "Reserved memory: region for default DMA coherent area is redefined\n");
-		dma_reserved_default_memory = rmem;
-	}
-#endif
-
-	rmem->ops = &rmem_dma_ops;
-	pr_info("Reserved memory: created DMA memory pool at %pa, size %ld MiB\n",
-		&rmem->base, (unsigned long)rmem->size / SZ_1M);
-	return 0;
-}
-
-static int __init dma_init_reserved_memory(void)
-{
-	const struct reserved_mem_ops *ops;
-	int ret;
-
-	if (!dma_reserved_default_memory)
-		return -ENOMEM;
-
-	ops = dma_reserved_default_memory->ops;
-
-	/*
-	 * We rely on rmem_dma_device_init() does not propagate error of
-	 * dma_assign_coherent_memory() for "NULL" device.
-	 */
-	ret = ops->device_init(dma_reserved_default_memory, NULL);
-
-	if (!ret) {
-		dma_coherent_default_memory = dma_reserved_default_memory->priv;
-		pr_info("DMA: default coherent area is set\n");
-	}
-
-	return ret;
-}
-
-core_initcall(dma_init_reserved_memory);
-
-RESERVEDMEM_OF_DECLARE(dma, "shared-dma-pool", rmem_dma_setup);
-#endif
diff --git a/drivers/base/dma-contiguous.c b/drivers/base/dma-contiguous.c
deleted file mode 100644
index d987dcd1bd56..000000000000
--- a/drivers/base/dma-contiguous.c
+++ /dev/null
@@ -1,278 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * Contiguous Memory Allocator for DMA mapping framework
- * Copyright (c) 2010-2011 by Samsung Electronics.
- * Written by:
- *	Marek Szyprowski <m.szyprowski@samsung.com>
- *	Michal Nazarewicz <mina86@mina86.com>
- */
-
-#define pr_fmt(fmt) "cma: " fmt
-
-#ifdef CONFIG_CMA_DEBUG
-#ifndef DEBUG
-#  define DEBUG
-#endif
-#endif
-
-#include <asm/page.h>
-#include <asm/dma-contiguous.h>
-
-#include <linux/memblock.h>
-#include <linux/err.h>
-#include <linux/sizes.h>
-#include <linux/dma-contiguous.h>
-#include <linux/cma.h>
-
-#ifdef CONFIG_CMA_SIZE_MBYTES
-#define CMA_SIZE_MBYTES CONFIG_CMA_SIZE_MBYTES
-#else
-#define CMA_SIZE_MBYTES 0
-#endif
-
-struct cma *dma_contiguous_default_area;
-
-/*
- * Default global CMA area size can be defined in kernel's .config.
- * This is useful mainly for distro maintainers to create a kernel
- * that works correctly for most supported systems.
- * The size can be set in bytes or as a percentage of the total memory
- * in the system.
- *
- * Users, who want to set the size of global CMA area for their system
- * should use cma= kernel parameter.
- */
-static const phys_addr_t size_bytes = (phys_addr_t)CMA_SIZE_MBYTES * SZ_1M;
-static phys_addr_t size_cmdline = -1;
-static phys_addr_t base_cmdline;
-static phys_addr_t limit_cmdline;
-
-static int __init early_cma(char *p)
-{
-	pr_debug("%s(%s)\n", __func__, p);
-	size_cmdline = memparse(p, &p);
-	if (*p != '@')
-		return 0;
-	base_cmdline = memparse(p + 1, &p);
-	if (*p != '-') {
-		limit_cmdline = base_cmdline + size_cmdline;
-		return 0;
-	}
-	limit_cmdline = memparse(p + 1, &p);
-
-	return 0;
-}
-early_param("cma", early_cma);
-
-#ifdef CONFIG_CMA_SIZE_PERCENTAGE
-
-static phys_addr_t __init __maybe_unused cma_early_percent_memory(void)
-{
-	struct memblock_region *reg;
-	unsigned long total_pages = 0;
-
-	/*
-	 * We cannot use memblock_phys_mem_size() here, because
-	 * memblock_analyze() has not been called yet.
-	 */
-	for_each_memblock(memory, reg)
-		total_pages += memblock_region_memory_end_pfn(reg) -
-			       memblock_region_memory_base_pfn(reg);
-
-	return (total_pages * CONFIG_CMA_SIZE_PERCENTAGE / 100) << PAGE_SHIFT;
-}
-
-#else
-
-static inline __maybe_unused phys_addr_t cma_early_percent_memory(void)
-{
-	return 0;
-}
-
-#endif
-
-/**
- * dma_contiguous_reserve() - reserve area(s) for contiguous memory handling
- * @limit: End address of the reserved memory (optional, 0 for any).
- *
- * This function reserves memory from early allocator. It should be
- * called by arch specific code once the early allocator (memblock or bootmem)
- * has been activated and all other subsystems have already allocated/reserved
- * memory.
- */
-void __init dma_contiguous_reserve(phys_addr_t limit)
-{
-	phys_addr_t selected_size = 0;
-	phys_addr_t selected_base = 0;
-	phys_addr_t selected_limit = limit;
-	bool fixed = false;
-
-	pr_debug("%s(limit %08lx)\n", __func__, (unsigned long)limit);
-
-	if (size_cmdline != -1) {
-		selected_size = size_cmdline;
-		selected_base = base_cmdline;
-		selected_limit = min_not_zero(limit_cmdline, limit);
-		if (base_cmdline + size_cmdline == limit_cmdline)
-			fixed = true;
-	} else {
-#ifdef CONFIG_CMA_SIZE_SEL_MBYTES
-		selected_size = size_bytes;
-#elif defined(CONFIG_CMA_SIZE_SEL_PERCENTAGE)
-		selected_size = cma_early_percent_memory();
-#elif defined(CONFIG_CMA_SIZE_SEL_MIN)
-		selected_size = min(size_bytes, cma_early_percent_memory());
-#elif defined(CONFIG_CMA_SIZE_SEL_MAX)
-		selected_size = max(size_bytes, cma_early_percent_memory());
-#endif
-	}
-
-	if (selected_size && !dma_contiguous_default_area) {
-		pr_debug("%s: reserving %ld MiB for global area\n", __func__,
-			 (unsigned long)selected_size / SZ_1M);
-
-		dma_contiguous_reserve_area(selected_size, selected_base,
-					    selected_limit,
-					    &dma_contiguous_default_area,
-					    fixed);
-	}
-}
-
-/**
- * dma_contiguous_reserve_area() - reserve custom contiguous area
- * @size: Size of the reserved area (in bytes),
- * @base: Base address of the reserved area optional, use 0 for any
- * @limit: End address of the reserved memory (optional, 0 for any).
- * @res_cma: Pointer to store the created cma region.
- * @fixed: hint about where to place the reserved area
- *
- * This function reserves memory from early allocator. It should be
- * called by arch specific code once the early allocator (memblock or bootmem)
- * has been activated and all other subsystems have already allocated/reserved
- * memory. This function allows to create custom reserved areas for specific
- * devices.
- *
- * If @fixed is true, reserve contiguous area at exactly @base.  If false,
- * reserve in range from @base to @limit.
- */
-int __init dma_contiguous_reserve_area(phys_addr_t size, phys_addr_t base,
-				       phys_addr_t limit, struct cma **res_cma,
-				       bool fixed)
-{
-	int ret;
-
-	ret = cma_declare_contiguous(base, size, limit, 0, 0, fixed,
-					"reserved", res_cma);
-	if (ret)
-		return ret;
-
-	/* Architecture specific contiguous memory fixup. */
-	dma_contiguous_early_fixup(cma_get_base(*res_cma),
-				cma_get_size(*res_cma));
-
-	return 0;
-}
-
-/**
- * dma_alloc_from_contiguous() - allocate pages from contiguous area
- * @dev:   Pointer to device for which the allocation is performed.
- * @count: Requested number of pages.
- * @align: Requested alignment of pages (in PAGE_SIZE order).
- * @gfp_mask: GFP flags to use for this allocation.
- *
- * This function allocates memory buffer for specified device. It uses
- * device specific contiguous memory area if available or the default
- * global one. Requires architecture specific dev_get_cma_area() helper
- * function.
- */
-struct page *dma_alloc_from_contiguous(struct device *dev, size_t count,
-				       unsigned int align, gfp_t gfp_mask)
-{
-	if (align > CONFIG_CMA_ALIGNMENT)
-		align = CONFIG_CMA_ALIGNMENT;
-
-	return cma_alloc(dev_get_cma_area(dev), count, align, gfp_mask);
-}
-
-/**
- * dma_release_from_contiguous() - release allocated pages
- * @dev:   Pointer to device for which the pages were allocated.
- * @pages: Allocated pages.
- * @count: Number of allocated pages.
- *
- * This function releases memory allocated by dma_alloc_from_contiguous().
- * It returns false when provided pages do not belong to contiguous area and
- * true otherwise.
- */
-bool dma_release_from_contiguous(struct device *dev, struct page *pages,
-				 int count)
-{
-	return cma_release(dev_get_cma_area(dev), pages, count);
-}
-
-/*
- * Support for reserved memory regions defined in device tree
- */
-#ifdef CONFIG_OF_RESERVED_MEM
-#include <linux/of.h>
-#include <linux/of_fdt.h>
-#include <linux/of_reserved_mem.h>
-
-#undef pr_fmt
-#define pr_fmt(fmt) fmt
-
-static int rmem_cma_device_init(struct reserved_mem *rmem, struct device *dev)
-{
-	dev_set_cma_area(dev, rmem->priv);
-	return 0;
-}
-
-static void rmem_cma_device_release(struct reserved_mem *rmem,
-				    struct device *dev)
-{
-	dev_set_cma_area(dev, NULL);
-}
-
-static const struct reserved_mem_ops rmem_cma_ops = {
-	.device_init	= rmem_cma_device_init,
-	.device_release = rmem_cma_device_release,
-};
-
-static int __init rmem_cma_setup(struct reserved_mem *rmem)
-{
-	phys_addr_t align = PAGE_SIZE << max(MAX_ORDER - 1, pageblock_order);
-	phys_addr_t mask = align - 1;
-	unsigned long node = rmem->fdt_node;
-	struct cma *cma;
-	int err;
-
-	if (!of_get_flat_dt_prop(node, "reusable", NULL) ||
-	    of_get_flat_dt_prop(node, "no-map", NULL))
-		return -EINVAL;
-
-	if ((rmem->base & mask) || (rmem->size & mask)) {
-		pr_err("Reserved memory: incorrect alignment of CMA region\n");
-		return -EINVAL;
-	}
-
-	err = cma_init_reserved_mem(rmem->base, rmem->size, 0, rmem->name, &cma);
-	if (err) {
-		pr_err("Reserved memory: unable to setup CMA region\n");
-		return err;
-	}
-	/* Architecture specific contiguous memory fixup. */
-	dma_contiguous_early_fixup(rmem->base, rmem->size);
-
-	if (of_get_flat_dt_prop(node, "linux,cma-default", NULL))
-		dma_contiguous_set_default(cma);
-
-	rmem->ops = &rmem_cma_ops;
-	rmem->priv = cma;
-
-	pr_info("Reserved memory: created CMA memory pool at %pa, size %ld MiB\n",
-		&rmem->base, (unsigned long)rmem->size / SZ_1M);
-
-	return 0;
-}
-RESERVEDMEM_OF_DECLARE(cma, "shared-dma-pool", rmem_cma_setup);
-#endif
diff --git a/drivers/base/dma-mapping.c b/drivers/base/dma-mapping.c
deleted file mode 100644
index f831a582209c..000000000000
--- a/drivers/base/dma-mapping.c
+++ /dev/null
@@ -1,345 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * drivers/base/dma-mapping.c - arch-independent dma-mapping routines
- *
- * Copyright (c) 2006  SUSE Linux Products GmbH
- * Copyright (c) 2006  Tejun Heo <teheo@suse.de>
- */
-
-#include <linux/acpi.h>
-#include <linux/dma-mapping.h>
-#include <linux/export.h>
-#include <linux/gfp.h>
-#include <linux/of_device.h>
-#include <linux/slab.h>
-#include <linux/vmalloc.h>
-
-/*
- * Managed DMA API
- */
-struct dma_devres {
-	size_t		size;
-	void		*vaddr;
-	dma_addr_t	dma_handle;
-	unsigned long	attrs;
-};
-
-static void dmam_release(struct device *dev, void *res)
-{
-	struct dma_devres *this = res;
-
-	dma_free_attrs(dev, this->size, this->vaddr, this->dma_handle,
-			this->attrs);
-}
-
-static int dmam_match(struct device *dev, void *res, void *match_data)
-{
-	struct dma_devres *this = res, *match = match_data;
-
-	if (this->vaddr == match->vaddr) {
-		WARN_ON(this->size != match->size ||
-			this->dma_handle != match->dma_handle);
-		return 1;
-	}
-	return 0;
-}
-
-/**
- * dmam_alloc_coherent - Managed dma_alloc_coherent()
- * @dev: Device to allocate coherent memory for
- * @size: Size of allocation
- * @dma_handle: Out argument for allocated DMA handle
- * @gfp: Allocation flags
- *
- * Managed dma_alloc_coherent().  Memory allocated using this function
- * will be automatically released on driver detach.
- *
- * RETURNS:
- * Pointer to allocated memory on success, NULL on failure.
- */
-void *dmam_alloc_coherent(struct device *dev, size_t size,
-			   dma_addr_t *dma_handle, gfp_t gfp)
-{
-	struct dma_devres *dr;
-	void *vaddr;
-
-	dr = devres_alloc(dmam_release, sizeof(*dr), gfp);
-	if (!dr)
-		return NULL;
-
-	vaddr = dma_alloc_coherent(dev, size, dma_handle, gfp);
-	if (!vaddr) {
-		devres_free(dr);
-		return NULL;
-	}
-
-	dr->vaddr = vaddr;
-	dr->dma_handle = *dma_handle;
-	dr->size = size;
-
-	devres_add(dev, dr);
-
-	return vaddr;
-}
-EXPORT_SYMBOL(dmam_alloc_coherent);
-
-/**
- * dmam_free_coherent - Managed dma_free_coherent()
- * @dev: Device to free coherent memory for
- * @size: Size of allocation
- * @vaddr: Virtual address of the memory to free
- * @dma_handle: DMA handle of the memory to free
- *
- * Managed dma_free_coherent().
- */
-void dmam_free_coherent(struct device *dev, size_t size, void *vaddr,
-			dma_addr_t dma_handle)
-{
-	struct dma_devres match_data = { size, vaddr, dma_handle };
-
-	dma_free_coherent(dev, size, vaddr, dma_handle);
-	WARN_ON(devres_destroy(dev, dmam_release, dmam_match, &match_data));
-}
-EXPORT_SYMBOL(dmam_free_coherent);
-
-/**
- * dmam_alloc_attrs - Managed dma_alloc_attrs()
- * @dev: Device to allocate non_coherent memory for
- * @size: Size of allocation
- * @dma_handle: Out argument for allocated DMA handle
- * @gfp: Allocation flags
- * @attrs: Flags in the DMA_ATTR_* namespace.
- *
- * Managed dma_alloc_attrs().  Memory allocated using this function will be
- * automatically released on driver detach.
- *
- * RETURNS:
- * Pointer to allocated memory on success, NULL on failure.
- */
-void *dmam_alloc_attrs(struct device *dev, size_t size, dma_addr_t *dma_handle,
-		gfp_t gfp, unsigned long attrs)
-{
-	struct dma_devres *dr;
-	void *vaddr;
-
-	dr = devres_alloc(dmam_release, sizeof(*dr), gfp);
-	if (!dr)
-		return NULL;
-
-	vaddr = dma_alloc_attrs(dev, size, dma_handle, gfp, attrs);
-	if (!vaddr) {
-		devres_free(dr);
-		return NULL;
-	}
-
-	dr->vaddr = vaddr;
-	dr->dma_handle = *dma_handle;
-	dr->size = size;
-	dr->attrs = attrs;
-
-	devres_add(dev, dr);
-
-	return vaddr;
-}
-EXPORT_SYMBOL(dmam_alloc_attrs);
-
-#ifdef CONFIG_HAVE_GENERIC_DMA_COHERENT
-
-static void dmam_coherent_decl_release(struct device *dev, void *res)
-{
-	dma_release_declared_memory(dev);
-}
-
-/**
- * dmam_declare_coherent_memory - Managed dma_declare_coherent_memory()
- * @dev: Device to declare coherent memory for
- * @phys_addr: Physical address of coherent memory to be declared
- * @device_addr: Device address of coherent memory to be declared
- * @size: Size of coherent memory to be declared
- * @flags: Flags
- *
- * Managed dma_declare_coherent_memory().
- *
- * RETURNS:
- * 0 on success, -errno on failure.
- */
-int dmam_declare_coherent_memory(struct device *dev, phys_addr_t phys_addr,
-				 dma_addr_t device_addr, size_t size, int flags)
-{
-	void *res;
-	int rc;
-
-	res = devres_alloc(dmam_coherent_decl_release, 0, GFP_KERNEL);
-	if (!res)
-		return -ENOMEM;
-
-	rc = dma_declare_coherent_memory(dev, phys_addr, device_addr, size,
-					 flags);
-	if (!rc)
-		devres_add(dev, res);
-	else
-		devres_free(res);
-
-	return rc;
-}
-EXPORT_SYMBOL(dmam_declare_coherent_memory);
-
-/**
- * dmam_release_declared_memory - Managed dma_release_declared_memory().
- * @dev: Device to release declared coherent memory for
- *
- * Managed dmam_release_declared_memory().
- */
-void dmam_release_declared_memory(struct device *dev)
-{
-	WARN_ON(devres_destroy(dev, dmam_coherent_decl_release, NULL, NULL));
-}
-EXPORT_SYMBOL(dmam_release_declared_memory);
-
-#endif
-
-/*
- * Create scatter-list for the already allocated DMA buffer.
- */
-int dma_common_get_sgtable(struct device *dev, struct sg_table *sgt,
-		 void *cpu_addr, dma_addr_t handle, size_t size)
-{
-	struct page *page = virt_to_page(cpu_addr);
-	int ret;
-
-	ret = sg_alloc_table(sgt, 1, GFP_KERNEL);
-	if (unlikely(ret))
-		return ret;
-
-	sg_set_page(sgt->sgl, page, PAGE_ALIGN(size), 0);
-	return 0;
-}
-EXPORT_SYMBOL(dma_common_get_sgtable);
-
-/*
- * Create userspace mapping for the DMA-coherent memory.
- */
-int dma_common_mmap(struct device *dev, struct vm_area_struct *vma,
-		    void *cpu_addr, dma_addr_t dma_addr, size_t size)
-{
-	int ret = -ENXIO;
-#ifndef CONFIG_ARCH_NO_COHERENT_DMA_MMAP
-	unsigned long user_count = vma_pages(vma);
-	unsigned long count = PAGE_ALIGN(size) >> PAGE_SHIFT;
-	unsigned long off = vma->vm_pgoff;
-
-	vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
-
-	if (dma_mmap_from_dev_coherent(dev, vma, cpu_addr, size, &ret))
-		return ret;
-
-	if (off < count && user_count <= (count - off))
-		ret = remap_pfn_range(vma, vma->vm_start,
-				      page_to_pfn(virt_to_page(cpu_addr)) + off,
-				      user_count << PAGE_SHIFT,
-				      vma->vm_page_prot);
-#endif	/* !CONFIG_ARCH_NO_COHERENT_DMA_MMAP */
-
-	return ret;
-}
-EXPORT_SYMBOL(dma_common_mmap);
-
-#ifdef CONFIG_MMU
-static struct vm_struct *__dma_common_pages_remap(struct page **pages,
-			size_t size, unsigned long vm_flags, pgprot_t prot,
-			const void *caller)
-{
-	struct vm_struct *area;
-
-	area = get_vm_area_caller(size, vm_flags, caller);
-	if (!area)
-		return NULL;
-
-	if (map_vm_area(area, prot, pages)) {
-		vunmap(area->addr);
-		return NULL;
-	}
-
-	return area;
-}
-
-/*
- * remaps an array of PAGE_SIZE pages into another vm_area
- * Cannot be used in non-sleeping contexts
- */
-void *dma_common_pages_remap(struct page **pages, size_t size,
-			unsigned long vm_flags, pgprot_t prot,
-			const void *caller)
-{
-	struct vm_struct *area;
-
-	area = __dma_common_pages_remap(pages, size, vm_flags, prot, caller);
-	if (!area)
-		return NULL;
-
-	area->pages = pages;
-
-	return area->addr;
-}
-
-/*
- * remaps an allocated contiguous region into another vm_area.
- * Cannot be used in non-sleeping contexts
- */
-
-void *dma_common_contiguous_remap(struct page *page, size_t size,
-			unsigned long vm_flags,
-			pgprot_t prot, const void *caller)
-{
-	int i;
-	struct page **pages;
-	struct vm_struct *area;
-
-	pages = kmalloc(sizeof(struct page *) << get_order(size), GFP_KERNEL);
-	if (!pages)
-		return NULL;
-
-	for (i = 0; i < (size >> PAGE_SHIFT); i++)
-		pages[i] = nth_page(page, i);
-
-	area = __dma_common_pages_remap(pages, size, vm_flags, prot, caller);
-
-	kfree(pages);
-
-	if (!area)
-		return NULL;
-	return area->addr;
-}
-
-/*
- * unmaps a range previously mapped by dma_common_*_remap
- */
-void dma_common_free_remap(void *cpu_addr, size_t size, unsigned long vm_flags)
-{
-	struct vm_struct *area = find_vm_area(cpu_addr);
-
-	if (!area || (area->flags & vm_flags) != vm_flags) {
-		WARN(1, "trying to free invalid coherent area: %p\n", cpu_addr);
-		return;
-	}
-
-	unmap_kernel_range((unsigned long)cpu_addr, PAGE_ALIGN(size));
-	vunmap(cpu_addr);
-}
-#endif
-
-/*
- * enables DMA API use for a device
- */
-int dma_configure(struct device *dev)
-{
-	if (dev->bus->dma_configure)
-		return dev->bus->dma_configure(dev);
-	return 0;
-}
-
-void dma_deconfigure(struct device *dev)
-{
-	of_dma_deconfigure(dev);
-	acpi_dma_deconfigure(dev);
-}
diff --git a/drivers/base/power/domain.c b/drivers/base/power/domain.c
index 4925af5c4cf0..9e8484189034 100644
--- a/drivers/base/power/domain.c
+++ b/drivers/base/power/domain.c
@@ -2235,7 +2235,7 @@ static void genpd_dev_pm_sync(struct device *dev)
 }
 
 static int __genpd_dev_pm_attach(struct device *dev, struct device_node *np,
-				 unsigned int index)
+				 unsigned int index, bool power_on)
 {
 	struct of_phandle_args pd_args;
 	struct generic_pm_domain *pd;
@@ -2271,9 +2271,11 @@ static int __genpd_dev_pm_attach(struct device *dev, struct device_node *np,
 	dev->pm_domain->detach = genpd_dev_pm_detach;
 	dev->pm_domain->sync = genpd_dev_pm_sync;
 
-	genpd_lock(pd);
-	ret = genpd_power_on(pd, 0);
-	genpd_unlock(pd);
+	if (power_on) {
+		genpd_lock(pd);
+		ret = genpd_power_on(pd, 0);
+		genpd_unlock(pd);
+	}
 
 	if (ret)
 		genpd_remove_device(pd, dev);
@@ -2307,7 +2309,7 @@ int genpd_dev_pm_attach(struct device *dev)
 				       "#power-domain-cells") != 1)
 		return 0;
 
-	return __genpd_dev_pm_attach(dev, dev->of_node, 0);
+	return __genpd_dev_pm_attach(dev, dev->of_node, 0, true);
 }
 EXPORT_SYMBOL_GPL(genpd_dev_pm_attach);
 
@@ -2359,14 +2361,14 @@ struct device *genpd_dev_pm_attach_by_id(struct device *dev,
 	}
 
 	/* Try to attach the device to the PM domain at the specified index. */
-	ret = __genpd_dev_pm_attach(genpd_dev, dev->of_node, index);
+	ret = __genpd_dev_pm_attach(genpd_dev, dev->of_node, index, false);
 	if (ret < 1) {
 		device_unregister(genpd_dev);
 		return ret ? ERR_PTR(ret) : NULL;
 	}
 
-	pm_runtime_set_active(genpd_dev);
 	pm_runtime_enable(genpd_dev);
+	genpd_queue_power_off_work(dev_to_genpd(genpd_dev));
 
 	return genpd_dev;
 }
@@ -2487,10 +2489,9 @@ EXPORT_SYMBOL_GPL(of_genpd_parse_idle_states);
  * power domain corresponding to a DT node's "required-opps" property.
  *
  * @dev: Device for which the performance-state needs to be found.
- * @opp_node: DT node where the "required-opps" property is present. This can be
+ * @np: DT node where the "required-opps" property is present. This can be
  *	the device node itself (if it doesn't have an OPP table) or a node
  *	within the OPP table of a device (if device has an OPP table).
- * @state: Pointer to return performance state.
  *
  * Returns performance state corresponding to the "required-opps" property of
  * a DT node. This calls platform specific genpd->opp_to_performance_state()
@@ -2499,7 +2500,7 @@ EXPORT_SYMBOL_GPL(of_genpd_parse_idle_states);
  * Returns performance state on success and 0 on failure.
  */
 unsigned int of_genpd_opp_to_performance_state(struct device *dev,
-					       struct device_node *opp_node)
+					       struct device_node *np)
 {
 	struct generic_pm_domain *genpd;
 	struct dev_pm_opp *opp;
@@ -2514,7 +2515,7 @@ unsigned int of_genpd_opp_to_performance_state(struct device *dev,
 
 	genpd_lock(genpd);
 
-	opp = of_dev_pm_opp_find_required_opp(&genpd->dev, opp_node);
+	opp = of_dev_pm_opp_find_required_opp(&genpd->dev, np);
 	if (IS_ERR(opp)) {
 		dev_err(dev, "Failed to find required OPP: %ld\n",
 			PTR_ERR(opp));
diff --git a/drivers/block/drbd/drbd_req.c b/drivers/block/drbd/drbd_req.c
index a47e4987ee46..d146fedc38bb 100644
--- a/drivers/block/drbd/drbd_req.c
+++ b/drivers/block/drbd/drbd_req.c
@@ -1244,8 +1244,8 @@ drbd_request_prepare(struct drbd_device *device, struct bio *bio, unsigned long
 	_drbd_start_io_acct(device, req);
 
 	/* process discards always from our submitter thread */
-	if ((bio_op(bio) & REQ_OP_WRITE_ZEROES) ||
-	    (bio_op(bio) & REQ_OP_DISCARD))
+	if (bio_op(bio) == REQ_OP_WRITE_ZEROES ||
+	    bio_op(bio) == REQ_OP_DISCARD)
 		goto queue_for_submitter_thread;
 
 	if (rw == WRITE && req->private_bio && req->i.size
diff --git a/drivers/block/drbd/drbd_worker.c b/drivers/block/drbd/drbd_worker.c
index 1476cb3439f4..5e793dd7adfb 100644
--- a/drivers/block/drbd/drbd_worker.c
+++ b/drivers/block/drbd/drbd_worker.c
@@ -282,8 +282,8 @@ void drbd_request_endio(struct bio *bio)
 		what = COMPLETED_OK;
 	}
 
-	bio_put(req->private_bio);
 	req->private_bio = ERR_PTR(blk_status_to_errno(bio->bi_status));
+	bio_put(bio);
 
 	/* not req_mod(), we need irqsave here! */
 	spin_lock_irqsave(&device->resource->req_lock, flags);
diff --git a/drivers/block/loop.c b/drivers/block/loop.c
index d6b6f434fd4b..4cb1d1be3cfb 100644
--- a/drivers/block/loop.c
+++ b/drivers/block/loop.c
@@ -1613,6 +1613,7 @@ static int lo_compat_ioctl(struct block_device *bdev, fmode_t mode,
 		arg = (unsigned long) compat_ptr(arg);
 	case LOOP_SET_FD:
 	case LOOP_CHANGE_FD:
+	case LOOP_SET_BLOCK_SIZE:
 		err = lo_ioctl(bdev, mode, cmd, arg);
 		break;
 	default:
diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c
index 3b7083b8ecbb..3fb95c8d9fd8 100644
--- a/drivers/block/nbd.c
+++ b/drivers/block/nbd.c
@@ -76,6 +76,7 @@ struct link_dead_args {
 #define NBD_HAS_CONFIG_REF		4
 #define NBD_BOUND			5
 #define NBD_DESTROY_ON_DISCONNECT	6
+#define NBD_DISCONNECT_ON_CLOSE 	7
 
 struct nbd_config {
 	u32 flags;
@@ -111,12 +112,16 @@ struct nbd_device {
 	struct task_struct *task_setup;
 };
 
+#define NBD_CMD_REQUEUED	1
+
 struct nbd_cmd {
 	struct nbd_device *nbd;
+	struct mutex lock;
 	int index;
 	int cookie;
-	struct completion send_complete;
 	blk_status_t status;
+	unsigned long flags;
+	u32 cmd_cookie;
 };
 
 #if IS_ENABLED(CONFIG_DEBUG_FS)
@@ -138,12 +143,42 @@ static void nbd_config_put(struct nbd_device *nbd);
 static void nbd_connect_reply(struct genl_info *info, int index);
 static int nbd_genl_status(struct sk_buff *skb, struct genl_info *info);
 static void nbd_dead_link_work(struct work_struct *work);
+static void nbd_disconnect_and_put(struct nbd_device *nbd);
 
 static inline struct device *nbd_to_dev(struct nbd_device *nbd)
 {
 	return disk_to_dev(nbd->disk);
 }
 
+static void nbd_requeue_cmd(struct nbd_cmd *cmd)
+{
+	struct request *req = blk_mq_rq_from_pdu(cmd);
+
+	if (!test_and_set_bit(NBD_CMD_REQUEUED, &cmd->flags))
+		blk_mq_requeue_request(req, true);
+}
+
+#define NBD_COOKIE_BITS 32
+
+static u64 nbd_cmd_handle(struct nbd_cmd *cmd)
+{
+	struct request *req = blk_mq_rq_from_pdu(cmd);
+	u32 tag = blk_mq_unique_tag(req);
+	u64 cookie = cmd->cmd_cookie;
+
+	return (cookie << NBD_COOKIE_BITS) | tag;
+}
+
+static u32 nbd_handle_to_tag(u64 handle)
+{
+	return (u32)handle;
+}
+
+static u32 nbd_handle_to_cookie(u64 handle)
+{
+	return (u32)(handle >> NBD_COOKIE_BITS);
+}
+
 static const char *nbdcmd_to_ascii(int cmd)
 {
 	switch (cmd) {
@@ -317,6 +352,9 @@ static enum blk_eh_timer_return nbd_xmit_timeout(struct request *req,
 	}
 	config = nbd->config;
 
+	if (!mutex_trylock(&cmd->lock))
+		return BLK_EH_RESET_TIMER;
+
 	if (config->num_connections > 1) {
 		dev_err_ratelimited(nbd_to_dev(nbd),
 				    "Connection timed out, retrying (%d/%d alive)\n",
@@ -341,7 +379,8 @@ static enum blk_eh_timer_return nbd_xmit_timeout(struct request *req,
 					nbd_mark_nsock_dead(nbd, nsock, 1);
 				mutex_unlock(&nsock->tx_lock);
 			}
-			blk_mq_requeue_request(req, true);
+			mutex_unlock(&cmd->lock);
+			nbd_requeue_cmd(cmd);
 			nbd_config_put(nbd);
 			return BLK_EH_DONE;
 		}
@@ -351,6 +390,7 @@ static enum blk_eh_timer_return nbd_xmit_timeout(struct request *req,
 	}
 	set_bit(NBD_TIMEDOUT, &config->runtime_flags);
 	cmd->status = BLK_STS_IOERR;
+	mutex_unlock(&cmd->lock);
 	sock_shutdown(nbd);
 	nbd_config_put(nbd);
 done:
@@ -428,9 +468,9 @@ static int nbd_send_cmd(struct nbd_device *nbd, struct nbd_cmd *cmd, int index)
 	struct iov_iter from;
 	unsigned long size = blk_rq_bytes(req);
 	struct bio *bio;
+	u64 handle;
 	u32 type;
 	u32 nbd_cmd_flags = 0;
-	u32 tag = blk_mq_unique_tag(req);
 	int sent = nsock->sent, skip = 0;
 
 	iov_iter_kvec(&from, WRITE | ITER_KVEC, &iov, 1, sizeof(request));
@@ -472,6 +512,8 @@ static int nbd_send_cmd(struct nbd_device *nbd, struct nbd_cmd *cmd, int index)
 			goto send_pages;
 		}
 		iov_iter_advance(&from, sent);
+	} else {
+		cmd->cmd_cookie++;
 	}
 	cmd->index = index;
 	cmd->cookie = nsock->cookie;
@@ -480,7 +522,8 @@ static int nbd_send_cmd(struct nbd_device *nbd, struct nbd_cmd *cmd, int index)
 		request.from = cpu_to_be64((u64)blk_rq_pos(req) << 9);
 		request.len = htonl(size);
 	}
-	memcpy(request.handle, &tag, sizeof(tag));
+	handle = nbd_cmd_handle(cmd);
+	memcpy(request.handle, &handle, sizeof(handle));
 
 	dev_dbg(nbd_to_dev(nbd), "request %p: sending control (%s@%llu,%uB)\n",
 		req, nbdcmd_to_ascii(type),
@@ -498,6 +541,7 @@ static int nbd_send_cmd(struct nbd_device *nbd, struct nbd_cmd *cmd, int index)
 				nsock->pending = req;
 				nsock->sent = sent;
 			}
+			set_bit(NBD_CMD_REQUEUED, &cmd->flags);
 			return BLK_STS_RESOURCE;
 		}
 		dev_err_ratelimited(disk_to_dev(nbd->disk),
@@ -539,6 +583,7 @@ send_pages:
 					 */
 					nsock->pending = req;
 					nsock->sent = sent;
+					set_bit(NBD_CMD_REQUEUED, &cmd->flags);
 					return BLK_STS_RESOURCE;
 				}
 				dev_err(disk_to_dev(nbd->disk),
@@ -571,10 +616,12 @@ static struct nbd_cmd *nbd_read_stat(struct nbd_device *nbd, int index)
 	struct nbd_reply reply;
 	struct nbd_cmd *cmd;
 	struct request *req = NULL;
+	u64 handle;
 	u16 hwq;
 	u32 tag;
 	struct kvec iov = {.iov_base = &reply, .iov_len = sizeof(reply)};
 	struct iov_iter to;
+	int ret = 0;
 
 	reply.magic = 0;
 	iov_iter_kvec(&to, READ | ITER_KVEC, &iov, 1, sizeof(reply));
@@ -592,8 +639,8 @@ static struct nbd_cmd *nbd_read_stat(struct nbd_device *nbd, int index)
 		return ERR_PTR(-EPROTO);
 	}
 
-	memcpy(&tag, reply.handle, sizeof(u32));
-
+	memcpy(&handle, reply.handle, sizeof(handle));
+	tag = nbd_handle_to_tag(handle);
 	hwq = blk_mq_unique_tag_to_hwq(tag);
 	if (hwq < nbd->tag_set.nr_hw_queues)
 		req = blk_mq_tag_to_rq(nbd->tag_set.tags[hwq],
@@ -604,11 +651,25 @@ static struct nbd_cmd *nbd_read_stat(struct nbd_device *nbd, int index)
 		return ERR_PTR(-ENOENT);
 	}
 	cmd = blk_mq_rq_to_pdu(req);
+
+	mutex_lock(&cmd->lock);
+	if (cmd->cmd_cookie != nbd_handle_to_cookie(handle)) {
+		dev_err(disk_to_dev(nbd->disk), "Double reply on req %p, cmd_cookie %u, handle cookie %u\n",
+			req, cmd->cmd_cookie, nbd_handle_to_cookie(handle));
+		ret = -ENOENT;
+		goto out;
+	}
+	if (test_bit(NBD_CMD_REQUEUED, &cmd->flags)) {
+		dev_err(disk_to_dev(nbd->disk), "Raced with timeout on req %p\n",
+			req);
+		ret = -ENOENT;
+		goto out;
+	}
 	if (ntohl(reply.error)) {
 		dev_err(disk_to_dev(nbd->disk), "Other side returned error (%d)\n",
 			ntohl(reply.error));
 		cmd->status = BLK_STS_IOERR;
-		return cmd;
+		goto out;
 	}
 
 	dev_dbg(nbd_to_dev(nbd), "request %p: got reply\n", req);
@@ -633,18 +694,18 @@ static struct nbd_cmd *nbd_read_stat(struct nbd_device *nbd, int index)
 				if (nbd_disconnected(config) ||
 				    config->num_connections <= 1) {
 					cmd->status = BLK_STS_IOERR;
-					return cmd;
+					goto out;
 				}
-				return ERR_PTR(-EIO);
+				ret = -EIO;
+				goto out;
 			}
 			dev_dbg(nbd_to_dev(nbd), "request %p: got %d bytes data\n",
 				req, bvec.bv_len);
 		}
-	} else {
-		/* See the comment in nbd_queue_rq. */
-		wait_for_completion(&cmd->send_complete);
 	}
-	return cmd;
+out:
+	mutex_unlock(&cmd->lock);
+	return ret ? ERR_PTR(ret) : cmd;
 }
 
 static void recv_work(struct work_struct *work)
@@ -803,7 +864,7 @@ again:
 	 */
 	blk_mq_start_request(req);
 	if (unlikely(nsock->pending && nsock->pending != req)) {
-		blk_mq_requeue_request(req, true);
+		nbd_requeue_cmd(cmd);
 		ret = 0;
 		goto out;
 	}
@@ -816,7 +877,7 @@ again:
 		dev_err_ratelimited(disk_to_dev(nbd->disk),
 				    "Request send failed, requeueing\n");
 		nbd_mark_nsock_dead(nbd, nsock, 1);
-		blk_mq_requeue_request(req, true);
+		nbd_requeue_cmd(cmd);
 		ret = 0;
 	}
 out:
@@ -840,7 +901,8 @@ static blk_status_t nbd_queue_rq(struct blk_mq_hw_ctx *hctx,
 	 * that the server is misbehaving (or there was an error) before we're
 	 * done sending everything over the wire.
 	 */
-	init_completion(&cmd->send_complete);
+	mutex_lock(&cmd->lock);
+	clear_bit(NBD_CMD_REQUEUED, &cmd->flags);
 
 	/* We can be called directly from the user space process, which means we
 	 * could possibly have signals pending so our sendmsg will fail.  In
@@ -852,7 +914,7 @@ static blk_status_t nbd_queue_rq(struct blk_mq_hw_ctx *hctx,
 		ret = BLK_STS_IOERR;
 	else if (!ret)
 		ret = BLK_STS_OK;
-	complete(&cmd->send_complete);
+	mutex_unlock(&cmd->lock);
 
 	return ret;
 }
@@ -1305,6 +1367,12 @@ out:
 static void nbd_release(struct gendisk *disk, fmode_t mode)
 {
 	struct nbd_device *nbd = disk->private_data;
+	struct block_device *bdev = bdget_disk(disk, 0);
+
+	if (test_bit(NBD_DISCONNECT_ON_CLOSE, &nbd->config->runtime_flags) &&
+			bdev->bd_openers == 0)
+		nbd_disconnect_and_put(nbd);
+
 	nbd_config_put(nbd);
 	nbd_put(nbd);
 }
@@ -1452,6 +1520,8 @@ static int nbd_init_request(struct blk_mq_tag_set *set, struct request *rq,
 {
 	struct nbd_cmd *cmd = blk_mq_rq_to_pdu(rq);
 	cmd->nbd = set->driver_data;
+	cmd->flags = 0;
+	mutex_init(&cmd->lock);
 	return 0;
 }
 
@@ -1705,6 +1775,10 @@ again:
 				&config->runtime_flags);
 			put_dev = true;
 		}
+		if (flags & NBD_CFLAG_DISCONNECT_ON_CLOSE) {
+			set_bit(NBD_DISCONNECT_ON_CLOSE,
+				&config->runtime_flags);
+		}
 	}
 
 	if (info->attrs[NBD_ATTR_SOCKETS]) {
@@ -1749,6 +1823,17 @@ out:
 	return ret;
 }
 
+static void nbd_disconnect_and_put(struct nbd_device *nbd)
+{
+	mutex_lock(&nbd->config_lock);
+	nbd_disconnect(nbd);
+	nbd_clear_sock(nbd);
+	mutex_unlock(&nbd->config_lock);
+	if (test_and_clear_bit(NBD_HAS_CONFIG_REF,
+			       &nbd->config->runtime_flags))
+		nbd_config_put(nbd);
+}
+
 static int nbd_genl_disconnect(struct sk_buff *skb, struct genl_info *info)
 {
 	struct nbd_device *nbd;
@@ -1781,13 +1866,7 @@ static int nbd_genl_disconnect(struct sk_buff *skb, struct genl_info *info)
 		nbd_put(nbd);
 		return 0;
 	}
-	mutex_lock(&nbd->config_lock);
-	nbd_disconnect(nbd);
-	nbd_clear_sock(nbd);
-	mutex_unlock(&nbd->config_lock);
-	if (test_and_clear_bit(NBD_HAS_CONFIG_REF,
-			       &nbd->config->runtime_flags))
-		nbd_config_put(nbd);
+	nbd_disconnect_and_put(nbd);
 	nbd_config_put(nbd);
 	nbd_put(nbd);
 	return 0;
@@ -1798,7 +1877,7 @@ static int nbd_genl_reconfigure(struct sk_buff *skb, struct genl_info *info)
 	struct nbd_device *nbd = NULL;
 	struct nbd_config *config;
 	int index;
-	int ret = -EINVAL;
+	int ret = 0;
 	bool put_dev = false;
 
 	if (!netlink_capable(skb, CAP_SYS_ADMIN))
@@ -1838,6 +1917,7 @@ static int nbd_genl_reconfigure(struct sk_buff *skb, struct genl_info *info)
 	    !nbd->task_recv) {
 		dev_err(nbd_to_dev(nbd),
 			"not configured, cannot reconfigure\n");
+		ret = -EINVAL;
 		goto out;
 	}
 
@@ -1862,6 +1942,14 @@ static int nbd_genl_reconfigure(struct sk_buff *skb, struct genl_info *info)
 					       &config->runtime_flags))
 				refcount_inc(&nbd->refs);
 		}
+
+		if (flags & NBD_CFLAG_DISCONNECT_ON_CLOSE) {
+			set_bit(NBD_DISCONNECT_ON_CLOSE,
+					&config->runtime_flags);
+		} else {
+			clear_bit(NBD_DISCONNECT_ON_CLOSE,
+					&config->runtime_flags);
+		}
 	}
 
 	if (info->attrs[NBD_ATTR_SOCKETS]) {
diff --git a/drivers/block/null_blk.c b/drivers/block/null_blk.c
index 7948049f6c43..042c778e5a4e 100644
--- a/drivers/block/null_blk.c
+++ b/drivers/block/null_blk.c
@@ -1365,7 +1365,7 @@ static blk_qc_t null_queue_bio(struct request_queue *q, struct bio *bio)
 static enum blk_eh_timer_return null_rq_timed_out_fn(struct request *rq)
 {
 	pr_info("null: rq %p timed out\n", rq);
-	blk_mq_complete_request(rq);
+	__blk_complete_request(rq);
 	return BLK_EH_DONE;
 }
 
diff --git a/drivers/bluetooth/hci_nokia.c b/drivers/bluetooth/hci_nokia.c
index 14d159e2042d..2dc33e65d2d0 100644
--- a/drivers/bluetooth/hci_nokia.c
+++ b/drivers/bluetooth/hci_nokia.c
@@ -29,7 +29,7 @@
 #include <linux/slab.h>
 #include <linux/string.h>
 #include <linux/types.h>
-#include <linux/unaligned/le_struct.h>
+#include <asm/unaligned.h>
 #include <net/bluetooth/bluetooth.h>
 #include <net/bluetooth/hci_core.h>
 
diff --git a/drivers/bus/ti-sysc.c b/drivers/bus/ti-sysc.c
index 1cc29629d238..80d60f43db56 100644
--- a/drivers/bus/ti-sysc.c
+++ b/drivers/bus/ti-sysc.c
@@ -169,9 +169,9 @@ static int sysc_get_clocks(struct sysc *ddata)
 	const char *name;
 	int nr_fck = 0, nr_ick = 0, i, error = 0;
 
-	ddata->clock_roles = devm_kzalloc(ddata->dev,
-					  sizeof(*ddata->clock_roles) *
+	ddata->clock_roles = devm_kcalloc(ddata->dev,
 					  SYSC_MAX_CLOCKS,
+					  sizeof(*ddata->clock_roles),
 					  GFP_KERNEL);
 	if (!ddata->clock_roles)
 		return -ENOMEM;
@@ -200,8 +200,8 @@ static int sysc_get_clocks(struct sysc *ddata)
 		return -EINVAL;
 	}
 
-	ddata->clocks = devm_kzalloc(ddata->dev,
-				     sizeof(*ddata->clocks) * ddata->nr_clocks,
+	ddata->clocks = devm_kcalloc(ddata->dev,
+				     ddata->nr_clocks, sizeof(*ddata->clocks),
 				     GFP_KERNEL);
 	if (!ddata->clocks)
 		return -ENOMEM;
diff --git a/drivers/char/agp/alpha-agp.c b/drivers/char/agp/alpha-agp.c
index 53fe633df1e8..c9bf2c219841 100644
--- a/drivers/char/agp/alpha-agp.c
+++ b/drivers/char/agp/alpha-agp.c
@@ -11,7 +11,7 @@
 
 #include "agp.h"
 
-static int alpha_core_agp_vm_fault(struct vm_fault *vmf)
+static vm_fault_t alpha_core_agp_vm_fault(struct vm_fault *vmf)
 {
 	alpha_agp_info *agp = agp_bridge->dev_private_data;
 	dma_addr_t dma_addr;
diff --git a/drivers/char/agp/amd64-agp.c b/drivers/char/agp/amd64-agp.c
index e50c29c97ca7..c69e39fdd02b 100644
--- a/drivers/char/agp/amd64-agp.c
+++ b/drivers/char/agp/amd64-agp.c
@@ -156,7 +156,7 @@ static u64 amd64_configure(struct pci_dev *hammer, u64 gatt_table)
 
 	/* Address to map to */
 	pci_read_config_dword(hammer, AMD64_GARTAPERTUREBASE, &tmp);
-	aperturebase = tmp << 25;
+	aperturebase = (u64)tmp << 25;
 	aper_base = (aperturebase & PCI_BASE_ADDRESS_MEM_MASK);
 
 	enable_gart_translation(hammer, gatt_table);
@@ -277,7 +277,7 @@ static int fix_northbridge(struct pci_dev *nb, struct pci_dev *agp, u16 cap)
 	pci_read_config_dword(nb, AMD64_GARTAPERTURECTL, &nb_order);
 	nb_order = (nb_order >> 1) & 7;
 	pci_read_config_dword(nb, AMD64_GARTAPERTUREBASE, &nb_base);
-	nb_aper = nb_base << 25;
+	nb_aper = (u64)nb_base << 25;
 
 	/* Northbridge seems to contain crap. Try the AGP bridge. */
 
diff --git a/drivers/char/hw_random/core.c b/drivers/char/hw_random/core.c
index 91bb98c42a1c..aaf9e5afaad4 100644
--- a/drivers/char/hw_random/core.c
+++ b/drivers/char/hw_random/core.c
@@ -516,11 +516,18 @@ EXPORT_SYMBOL_GPL(hwrng_register);
 
 void hwrng_unregister(struct hwrng *rng)
 {
+	int err;
+
 	mutex_lock(&rng_mutex);
 
 	list_del(&rng->list);
-	if (current_rng == rng)
-		enable_best_rng();
+	if (current_rng == rng) {
+		err = enable_best_rng();
+		if (err) {
+			drop_current_rng();
+			cur_rng_set_by_user = 0;
+		}
+	}
 
 	if (list_empty(&rng_list)) {
 		mutex_unlock(&rng_mutex);
diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c
index ad353be871bf..90ec010bffbd 100644
--- a/drivers/char/ipmi/ipmi_si_intf.c
+++ b/drivers/char/ipmi/ipmi_si_intf.c
@@ -2088,8 +2088,10 @@ static int try_smi_init(struct smi_info *new_smi)
 	return 0;
 
 out_err:
-	ipmi_unregister_smi(new_smi->intf);
-	new_smi->intf = NULL;
+	if (new_smi->intf) {
+		ipmi_unregister_smi(new_smi->intf);
+		new_smi->intf = NULL;
+	}
 
 	kfree(init_name);
 
diff --git a/drivers/char/ipmi/kcs_bmc.c b/drivers/char/ipmi/kcs_bmc.c
index fbfc05e3f3d1..bb882ab161fe 100644
--- a/drivers/char/ipmi/kcs_bmc.c
+++ b/drivers/char/ipmi/kcs_bmc.c
@@ -210,34 +210,23 @@ static void kcs_bmc_handle_cmd(struct kcs_bmc *kcs_bmc)
 int kcs_bmc_handle_event(struct kcs_bmc *kcs_bmc)
 {
 	unsigned long flags;
-	int ret = 0;
+	int ret = -ENODATA;
 	u8 status;
 
 	spin_lock_irqsave(&kcs_bmc->lock, flags);
 
-	if (!kcs_bmc->running) {
-		kcs_force_abort(kcs_bmc);
-		ret = -ENODEV;
-		goto out_unlock;
-	}
-
-	status = read_status(kcs_bmc) & (KCS_STATUS_IBF | KCS_STATUS_CMD_DAT);
-
-	switch (status) {
-	case KCS_STATUS_IBF | KCS_STATUS_CMD_DAT:
-		kcs_bmc_handle_cmd(kcs_bmc);
-		break;
-
-	case KCS_STATUS_IBF:
-		kcs_bmc_handle_data(kcs_bmc);
-		break;
+	status = read_status(kcs_bmc);
+	if (status & KCS_STATUS_IBF) {
+		if (!kcs_bmc->running)
+			kcs_force_abort(kcs_bmc);
+		else if (status & KCS_STATUS_CMD_DAT)
+			kcs_bmc_handle_cmd(kcs_bmc);
+		else
+			kcs_bmc_handle_data(kcs_bmc);
 
-	default:
-		ret = -ENODATA;
-		break;
+		ret = 0;
 	}
 
-out_unlock:
 	spin_unlock_irqrestore(&kcs_bmc->lock, flags);
 
 	return ret;
diff --git a/drivers/char/mem.c b/drivers/char/mem.c
index ffeb60d3434c..df66a9dd0aae 100644
--- a/drivers/char/mem.c
+++ b/drivers/char/mem.c
@@ -708,6 +708,7 @@ static int mmap_zero(struct file *file, struct vm_area_struct *vma)
 #endif
 	if (vma->vm_flags & VM_SHARED)
 		return shmem_zero_setup(vma);
+	vma_set_anonymous(vma);
 	return 0;
 }
 
diff --git a/drivers/char/random.c b/drivers/char/random.c
index a8fb0020ba5c..bd449ad52442 100644
--- a/drivers/char/random.c
+++ b/drivers/char/random.c
@@ -402,7 +402,8 @@ static struct poolinfo {
 /*
  * Static global variables
  */
-static DECLARE_WAIT_QUEUE_HEAD(random_wait);
+static DECLARE_WAIT_QUEUE_HEAD(random_read_wait);
+static DECLARE_WAIT_QUEUE_HEAD(random_write_wait);
 static struct fasync_struct *fasync;
 
 static DEFINE_SPINLOCK(random_ready_list_lock);
@@ -721,8 +722,8 @@ retry:
 
 		/* should we wake readers? */
 		if (entropy_bits >= random_read_wakeup_bits &&
-		    wq_has_sleeper(&random_wait)) {
-			wake_up_interruptible_poll(&random_wait, POLLIN);
+		    wq_has_sleeper(&random_read_wait)) {
+			wake_up_interruptible(&random_read_wait);
 			kill_fasync(&fasync, SIGIO, POLL_IN);
 		}
 		/* If the input pool is getting full, send some
@@ -1396,7 +1397,7 @@ retry:
 	trace_debit_entropy(r->name, 8 * ibytes);
 	if (ibytes &&
 	    (r->entropy_count >> ENTROPY_SHIFT) < random_write_wakeup_bits) {
-		wake_up_interruptible_poll(&random_wait, POLLOUT);
+		wake_up_interruptible(&random_write_wait);
 		kill_fasync(&fasync, SIGIO, POLL_OUT);
 	}
 
@@ -1838,7 +1839,7 @@ _random_read(int nonblock, char __user *buf, size_t nbytes)
 		if (nonblock)
 			return -EAGAIN;
 
-		wait_event_interruptible(random_wait,
+		wait_event_interruptible(random_read_wait,
 			ENTROPY_BITS(&input_pool) >=
 			random_read_wakeup_bits);
 		if (signal_pending(current))
@@ -1875,17 +1876,14 @@ urandom_read(struct file *file, char __user *buf, size_t nbytes, loff_t *ppos)
 	return ret;
 }
 
-static struct wait_queue_head *
-random_get_poll_head(struct file *file, __poll_t events)
-{
-	return &random_wait;
-}
-
 static __poll_t
-random_poll_mask(struct file *file, __poll_t events)
+random_poll(struct file *file, poll_table * wait)
 {
-	__poll_t mask = 0;
+	__poll_t mask;
 
+	poll_wait(file, &random_read_wait, wait);
+	poll_wait(file, &random_write_wait, wait);
+	mask = 0;
 	if (ENTROPY_BITS(&input_pool) >= random_read_wakeup_bits)
 		mask |= EPOLLIN | EPOLLRDNORM;
 	if (ENTROPY_BITS(&input_pool) < random_write_wakeup_bits)
@@ -1897,14 +1895,22 @@ static int
 write_pool(struct entropy_store *r, const char __user *buffer, size_t count)
 {
 	size_t bytes;
-	__u32 buf[16];
+	__u32 t, buf[16];
 	const char __user *p = buffer;
 
 	while (count > 0) {
+		int b, i = 0;
+
 		bytes = min(count, sizeof(buf));
 		if (copy_from_user(&buf, p, bytes))
 			return -EFAULT;
 
+		for (b = bytes ; b > 0 ; b -= sizeof(__u32), i++) {
+			if (!arch_get_random_int(&t))
+				break;
+			buf[i] ^= t;
+		}
+
 		count -= bytes;
 		p += bytes;
 
@@ -1992,8 +1998,7 @@ static int random_fasync(int fd, struct file *filp, int on)
 const struct file_operations random_fops = {
 	.read  = random_read,
 	.write = random_write,
-	.get_poll_head  = random_get_poll_head,
-	.poll_mask  = random_poll_mask,
+	.poll  = random_poll,
 	.unlocked_ioctl = random_ioctl,
 	.fasync = random_fasync,
 	.llseek = noop_llseek,
@@ -2326,7 +2331,7 @@ void add_hwgenerator_randomness(const char *buffer, size_t count,
 	 * We'll be woken up again once below random_write_wakeup_thresh,
 	 * or when the calling thread is about to terminate.
 	 */
-	wait_event_interruptible(random_wait, kthread_should_stop() ||
+	wait_event_interruptible(random_write_wait, kthread_should_stop() ||
 			ENTROPY_BITS(&input_pool) <= random_write_wakeup_bits);
 	mix_pool_bytes(poolp, buffer, count);
 	credit_entropy_bits(poolp, entropy);
diff --git a/drivers/clk/Makefile b/drivers/clk/Makefile
index ae40cbe770f0..0bb25dd009d1 100644
--- a/drivers/clk/Makefile
+++ b/drivers/clk/Makefile
@@ -96,7 +96,7 @@ obj-$(CONFIG_ARCH_SPRD)			+= sprd/
 obj-$(CONFIG_ARCH_STI)			+= st/
 obj-$(CONFIG_ARCH_STRATIX10)		+= socfpga/
 obj-$(CONFIG_ARCH_SUNXI)		+= sunxi/
-obj-$(CONFIG_ARCH_SUNXI)		+= sunxi-ng/
+obj-$(CONFIG_SUNXI_CCU)			+= sunxi-ng/
 obj-$(CONFIG_ARCH_TEGRA)		+= tegra/
 obj-y					+= ti/
 obj-$(CONFIG_CLK_UNIPHIER)		+= uniphier/
diff --git a/drivers/clk/clk-aspeed.c b/drivers/clk/clk-aspeed.c
index 38b366b00c57..7b70a074095d 100644
--- a/drivers/clk/clk-aspeed.c
+++ b/drivers/clk/clk-aspeed.c
@@ -24,7 +24,7 @@
 #define ASPEED_MPLL_PARAM	0x20
 #define ASPEED_HPLL_PARAM	0x24
 #define  AST2500_HPLL_BYPASS_EN	BIT(20)
-#define  AST2400_HPLL_STRAPPED	BIT(18)
+#define  AST2400_HPLL_PROGRAMMED BIT(18)
 #define  AST2400_HPLL_BYPASS_EN	BIT(17)
 #define ASPEED_MISC_CTRL	0x2c
 #define  UART_DIV13_EN		BIT(12)
@@ -91,8 +91,8 @@ static const struct aspeed_gate_data aspeed_gates[] = {
 	[ASPEED_CLK_GATE_GCLK] =	{  1,  7, "gclk-gate",		NULL,	0 }, /* 2D engine */
 	[ASPEED_CLK_GATE_MCLK] =	{  2, -1, "mclk-gate",		"mpll",	CLK_IS_CRITICAL }, /* SDRAM */
 	[ASPEED_CLK_GATE_VCLK] =	{  3,  6, "vclk-gate",		NULL,	0 }, /* Video Capture */
-	[ASPEED_CLK_GATE_BCLK] =	{  4,  8, "bclk-gate",		"bclk",	0 }, /* PCIe/PCI */
-	[ASPEED_CLK_GATE_DCLK] =	{  5, -1, "dclk-gate",		NULL,	0 }, /* DAC */
+	[ASPEED_CLK_GATE_BCLK] =	{  4,  8, "bclk-gate",		"bclk",	CLK_IS_CRITICAL }, /* PCIe/PCI */
+	[ASPEED_CLK_GATE_DCLK] =	{  5, -1, "dclk-gate",		NULL,	CLK_IS_CRITICAL }, /* DAC */
 	[ASPEED_CLK_GATE_REFCLK] =	{  6, -1, "refclk-gate",	"clkin", CLK_IS_CRITICAL },
 	[ASPEED_CLK_GATE_USBPORT2CLK] =	{  7,  3, "usb-port2-gate",	NULL,	0 }, /* USB2.0 Host port 2 */
 	[ASPEED_CLK_GATE_LCLK] =	{  8,  5, "lclk-gate",		NULL,	0 }, /* LPC */
@@ -212,9 +212,22 @@ static int aspeed_clk_is_enabled(struct clk_hw *hw)
 {
 	struct aspeed_clk_gate *gate = to_aspeed_clk_gate(hw);
 	u32 clk = BIT(gate->clock_idx);
+	u32 rst = BIT(gate->reset_idx);
 	u32 enval = (gate->flags & CLK_GATE_SET_TO_DISABLE) ? 0 : clk;
 	u32 reg;
 
+	/*
+	 * If the IP is in reset, treat the clock as not enabled,
+	 * this happens with some clocks such as the USB one when
+	 * coming from cold reset. Without this, aspeed_clk_enable()
+	 * will fail to lift the reset.
+	 */
+	if (gate->reset_idx >= 0) {
+		regmap_read(gate->map, ASPEED_RESET_CTRL, &reg);
+		if (reg & rst)
+			return 0;
+	}
+
 	regmap_read(gate->map, ASPEED_CLK_STOP_CTRL, &reg);
 
 	return ((reg & clk) == enval) ? 1 : 0;
@@ -565,29 +578,45 @@ builtin_platform_driver(aspeed_clk_driver);
 static void __init aspeed_ast2400_cc(struct regmap *map)
 {
 	struct clk_hw *hw;
-	u32 val, freq, div;
+	u32 val, div, clkin, hpll;
+	const u16 hpll_rates[][4] = {
+		{384, 360, 336, 408},
+		{400, 375, 350, 425},
+	};
+	int rate;
 
 	/*
 	 * CLKIN is the crystal oscillator, 24, 48 or 25MHz selected by
 	 * strapping
 	 */
 	regmap_read(map, ASPEED_STRAP, &val);
-	if (val & CLKIN_25MHZ_EN)
-		freq = 25000000;
-	else if (val & AST2400_CLK_SOURCE_SEL)
-		freq = 48000000;
-	else
-		freq = 24000000;
-	hw = clk_hw_register_fixed_rate(NULL, "clkin", NULL, 0, freq);
-	pr_debug("clkin @%u MHz\n", freq / 1000000);
+	rate = (val >> 8) & 3;
+	if (val & CLKIN_25MHZ_EN) {
+		clkin = 25000000;
+		hpll = hpll_rates[1][rate];
+	} else if (val & AST2400_CLK_SOURCE_SEL) {
+		clkin = 48000000;
+		hpll = hpll_rates[0][rate];
+	} else {
+		clkin = 24000000;
+		hpll = hpll_rates[0][rate];
+	}
+	hw = clk_hw_register_fixed_rate(NULL, "clkin", NULL, 0, clkin);
+	pr_debug("clkin @%u MHz\n", clkin / 1000000);
 
 	/*
 	 * High-speed PLL clock derived from the crystal. This the CPU clock,
-	 * and we assume that it is enabled
+	 * and we assume that it is enabled. It can be configured through the
+	 * HPLL_PARAM register, or set to a specified frequency by strapping.
 	 */
 	regmap_read(map, ASPEED_HPLL_PARAM, &val);
-	WARN(val & AST2400_HPLL_STRAPPED, "hpll is strapped not configured");
-	aspeed_clk_data->hws[ASPEED_CLK_HPLL] = aspeed_ast2400_calc_pll("hpll", val);
+	if (val & AST2400_HPLL_PROGRAMMED)
+		hw = aspeed_ast2400_calc_pll("hpll", val);
+	else
+		hw = clk_hw_register_fixed_rate(NULL, "hpll", "clkin", 0,
+				hpll * 1000000);
+
+	aspeed_clk_data->hws[ASPEED_CLK_HPLL] = hw;
 
 	/*
 	 * Strap bits 11:10 define the CPU/AHB clock frequency ratio (aka HCLK)
diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c
index 9760b526ca31..e2ed078abd90 100644
--- a/drivers/clk/clk.c
+++ b/drivers/clk/clk.c
@@ -24,7 +24,6 @@
 #include <linux/pm_runtime.h>
 #include <linux/sched.h>
 #include <linux/clkdev.h>
-#include <linux/stringify.h>
 
 #include "clk.h"
 
@@ -2559,7 +2558,7 @@ static const struct {
 	unsigned long flag;
 	const char *name;
 } clk_flags[] = {
-#define ENTRY(f) { f, __stringify(f) }
+#define ENTRY(f) { f, #f }
 	ENTRY(CLK_SET_RATE_GATE),
 	ENTRY(CLK_SET_PARENT_GATE),
 	ENTRY(CLK_SET_RATE_PARENT),
diff --git a/drivers/clk/davinci/da8xx-cfgchip.c b/drivers/clk/davinci/da8xx-cfgchip.c
index aae62a5b8734..d1bbee19ed0f 100644
--- a/drivers/clk/davinci/da8xx-cfgchip.c
+++ b/drivers/clk/davinci/da8xx-cfgchip.c
@@ -672,7 +672,7 @@ static int of_da8xx_usb_phy_clk_init(struct device *dev, struct regmap *regmap)
 
 	usb1 = da8xx_cfgchip_register_usb1_clk48(dev, regmap);
 	if (IS_ERR(usb1)) {
-		if (PTR_ERR(usb0) == -EPROBE_DEFER)
+		if (PTR_ERR(usb1) == -EPROBE_DEFER)
 			return -EPROBE_DEFER;
 
 		dev_warn(dev, "Failed to register usb1_clk48 (%ld)\n",
diff --git a/drivers/clk/davinci/psc.h b/drivers/clk/davinci/psc.h
index 6a42529d31a9..cc5614567a70 100644
--- a/drivers/clk/davinci/psc.h
+++ b/drivers/clk/davinci/psc.h
@@ -107,7 +107,7 @@ extern const struct davinci_psc_init_data of_da850_psc1_init_data;
 #ifdef CONFIG_ARCH_DAVINCI_DM355
 extern const struct davinci_psc_init_data dm355_psc_init_data;
 #endif
-#ifdef CONFIG_ARCH_DAVINCI_DM356
+#ifdef CONFIG_ARCH_DAVINCI_DM365
 extern const struct davinci_psc_init_data dm365_psc_init_data;
 #endif
 #ifdef CONFIG_ARCH_DAVINCI_DM644x
diff --git a/drivers/clk/meson/clk-audio-divider.c b/drivers/clk/meson/clk-audio-divider.c
index 58f546e04807..e4cf96ba704e 100644
--- a/drivers/clk/meson/clk-audio-divider.c
+++ b/drivers/clk/meson/clk-audio-divider.c
@@ -51,7 +51,7 @@ static unsigned long audio_divider_recalc_rate(struct clk_hw *hw,
 	struct meson_clk_audio_div_data *adiv = meson_clk_audio_div_data(clk);
 	unsigned long divider;
 
-	divider = meson_parm_read(clk->map, &adiv->div);
+	divider = meson_parm_read(clk->map, &adiv->div) + 1;
 
 	return DIV_ROUND_UP_ULL((u64)parent_rate, divider);
 }
diff --git a/drivers/clk/meson/gxbb.c b/drivers/clk/meson/gxbb.c
index 240658404367..177fffb9ebef 100644
--- a/drivers/clk/meson/gxbb.c
+++ b/drivers/clk/meson/gxbb.c
@@ -498,6 +498,7 @@ static struct clk_regmap gxbb_fclk_div2 = {
 		.ops = &clk_regmap_gate_ops,
 		.parent_names = (const char *[]){ "fclk_div2_div" },
 		.num_parents = 1,
+		.flags = CLK_IS_CRITICAL,
 	},
 };
 
diff --git a/drivers/clk/mvebu/armada-37xx-periph.c b/drivers/clk/mvebu/armada-37xx-periph.c
index 6860bd5a37c5..44e4e27eddad 100644
--- a/drivers/clk/mvebu/armada-37xx-periph.c
+++ b/drivers/clk/mvebu/armada-37xx-periph.c
@@ -35,6 +35,7 @@
 #define CLK_SEL		0x10
 #define CLK_DIS		0x14
 
+#define  ARMADA_37XX_DVFS_LOAD_1 1
 #define LOAD_LEVEL_NR	4
 
 #define ARMADA_37XX_NB_L0L1	0x18
@@ -507,6 +508,40 @@ static long clk_pm_cpu_round_rate(struct clk_hw *hw, unsigned long rate,
 	return -EINVAL;
 }
 
+/*
+ * Switching the CPU from the L2 or L3 frequencies (300 and 200 Mhz
+ * respectively) to L0 frequency (1.2 Ghz) requires a significant
+ * amount of time to let VDD stabilize to the appropriate
+ * voltage. This amount of time is large enough that it cannot be
+ * covered by the hardware countdown register. Due to this, the CPU
+ * might start operating at L0 before the voltage is stabilized,
+ * leading to CPU stalls.
+ *
+ * To work around this problem, we prevent switching directly from the
+ * L2/L3 frequencies to the L0 frequency, and instead switch to the L1
+ * frequency in-between. The sequence therefore becomes:
+ * 1. First switch from L2/L3(200/300MHz) to L1(600MHZ)
+ * 2. Sleep 20ms for stabling VDD voltage
+ * 3. Then switch from L1(600MHZ) to L0(1200Mhz).
+ */
+static void clk_pm_cpu_set_rate_wa(unsigned long rate, struct regmap *base)
+{
+	unsigned int cur_level;
+
+	if (rate != 1200 * 1000 * 1000)
+		return;
+
+	regmap_read(base, ARMADA_37XX_NB_CPU_LOAD, &cur_level);
+	cur_level &= ARMADA_37XX_NB_CPU_LOAD_MASK;
+	if (cur_level <= ARMADA_37XX_DVFS_LOAD_1)
+		return;
+
+	regmap_update_bits(base, ARMADA_37XX_NB_CPU_LOAD,
+			   ARMADA_37XX_NB_CPU_LOAD_MASK,
+			   ARMADA_37XX_DVFS_LOAD_1);
+	msleep(20);
+}
+
 static int clk_pm_cpu_set_rate(struct clk_hw *hw, unsigned long rate,
 			       unsigned long parent_rate)
 {
@@ -537,6 +572,9 @@ static int clk_pm_cpu_set_rate(struct clk_hw *hw, unsigned long rate,
 			 */
 			reg = ARMADA_37XX_NB_CPU_LOAD;
 			mask = ARMADA_37XX_NB_CPU_LOAD_MASK;
+
+			clk_pm_cpu_set_rate_wa(rate, base);
+
 			regmap_update_bits(base, reg, mask, load_level);
 
 			return rate;
diff --git a/drivers/clk/qcom/gcc-msm8996.c b/drivers/clk/qcom/gcc-msm8996.c
index 9f35b3fe1d97..ff8d66fd94e6 100644
--- a/drivers/clk/qcom/gcc-msm8996.c
+++ b/drivers/clk/qcom/gcc-msm8996.c
@@ -2781,6 +2781,7 @@ static struct clk_branch gcc_ufs_rx_cfg_clk = {
 
 static struct clk_branch gcc_ufs_tx_symbol_0_clk = {
 	.halt_reg = 0x75018,
+	.halt_check = BRANCH_HALT_SKIP,
 	.clkr = {
 		.enable_reg = 0x75018,
 		.enable_mask = BIT(0),
diff --git a/drivers/clk/qcom/mmcc-msm8996.c b/drivers/clk/qcom/mmcc-msm8996.c
index 1a25ee4f3658..4b20d1b67a1b 100644
--- a/drivers/clk/qcom/mmcc-msm8996.c
+++ b/drivers/clk/qcom/mmcc-msm8996.c
@@ -2910,6 +2910,7 @@ static struct gdsc mmagic_bimc_gdsc = {
 		.name = "mmagic_bimc",
 	},
 	.pwrsts = PWRSTS_OFF_ON,
+	.flags = ALWAYS_ON,
 };
 
 static struct gdsc mmagic_video_gdsc = {
diff --git a/drivers/clk/sunxi-ng/Makefile b/drivers/clk/sunxi-ng/Makefile
index acaa14cfa25c..49454700f2e5 100644
--- a/drivers/clk/sunxi-ng/Makefile
+++ b/drivers/clk/sunxi-ng/Makefile
@@ -1,24 +1,24 @@
 # SPDX-License-Identifier: GPL-2.0
 # Common objects
-lib-$(CONFIG_SUNXI_CCU)		+= ccu_common.o
-lib-$(CONFIG_SUNXI_CCU)		+= ccu_mmc_timing.o
-lib-$(CONFIG_SUNXI_CCU)		+= ccu_reset.o
+obj-y				+= ccu_common.o
+obj-y				+= ccu_mmc_timing.o
+obj-y				+= ccu_reset.o
 
 # Base clock types
-lib-$(CONFIG_SUNXI_CCU)		+= ccu_div.o
-lib-$(CONFIG_SUNXI_CCU)		+= ccu_frac.o
-lib-$(CONFIG_SUNXI_CCU)		+= ccu_gate.o
-lib-$(CONFIG_SUNXI_CCU)		+= ccu_mux.o
-lib-$(CONFIG_SUNXI_CCU)		+= ccu_mult.o
-lib-$(CONFIG_SUNXI_CCU)		+= ccu_phase.o
-lib-$(CONFIG_SUNXI_CCU)		+= ccu_sdm.o
+obj-y				+= ccu_div.o
+obj-y				+= ccu_frac.o
+obj-y				+= ccu_gate.o
+obj-y				+= ccu_mux.o
+obj-y				+= ccu_mult.o
+obj-y				+= ccu_phase.o
+obj-y				+= ccu_sdm.o
 
 # Multi-factor clocks
-lib-$(CONFIG_SUNXI_CCU)		+= ccu_nk.o
-lib-$(CONFIG_SUNXI_CCU)		+= ccu_nkm.o
-lib-$(CONFIG_SUNXI_CCU)		+= ccu_nkmp.o
-lib-$(CONFIG_SUNXI_CCU)		+= ccu_nm.o
-lib-$(CONFIG_SUNXI_CCU)		+= ccu_mp.o
+obj-y				+= ccu_nk.o
+obj-y				+= ccu_nkm.o
+obj-y				+= ccu_nkmp.o
+obj-y				+= ccu_nm.o
+obj-y				+= ccu_mp.o
 
 # SoC support
 obj-$(CONFIG_SUN50I_A64_CCU)	+= ccu-sun50i-a64.o
@@ -38,12 +38,3 @@ obj-$(CONFIG_SUN8I_R40_CCU)	+= ccu-sun8i-r40.o
 obj-$(CONFIG_SUN9I_A80_CCU)	+= ccu-sun9i-a80.o
 obj-$(CONFIG_SUN9I_A80_CCU)	+= ccu-sun9i-a80-de.o
 obj-$(CONFIG_SUN9I_A80_CCU)	+= ccu-sun9i-a80-usb.o
-
-# The lib-y file goals is supposed to work only in arch/*/lib or lib/. In our
-# case, we want to use that goal, but even though lib.a will be properly
-# generated, it will not be linked in, eventually resulting in a linker error
-# for missing symbols.
-#
-# We can work around that by explicitly adding lib.a to the obj-y goal. This is
-# an undocumented behaviour, but works well for now.
-obj-$(CONFIG_SUNXI_CCU)		+= lib.a
diff --git a/drivers/clocksource/arm_arch_timer.c b/drivers/clocksource/arm_arch_timer.c
index 57cb2f00fc07..d8c7f5750cdb 100644
--- a/drivers/clocksource/arm_arch_timer.c
+++ b/drivers/clocksource/arm_arch_timer.c
@@ -735,7 +735,7 @@ static void __arch_timer_setup(unsigned type,
 		clk->features |= CLOCK_EVT_FEAT_DYNIRQ;
 		clk->name = "arch_mem_timer";
 		clk->rating = 400;
-		clk->cpumask = cpu_all_mask;
+		clk->cpumask = cpu_possible_mask;
 		if (arch_timer_mem_use_virtual) {
 			clk->set_state_shutdown = arch_timer_shutdown_virt_mem;
 			clk->set_state_oneshot_stopped = arch_timer_shutdown_virt_mem;
diff --git a/drivers/clocksource/timer-stm32.c b/drivers/clocksource/timer-stm32.c
index e5cdc3af684c..2717f88c7904 100644
--- a/drivers/clocksource/timer-stm32.c
+++ b/drivers/clocksource/timer-stm32.c
@@ -304,8 +304,10 @@ static int __init stm32_timer_init(struct device_node *node)
 
 	to->private_data = kzalloc(sizeof(struct stm32_timer_private),
 				   GFP_KERNEL);
-	if (!to->private_data)
+	if (!to->private_data) {
+		ret = -ENOMEM;
 		goto deinit;
+	}
 
 	rstc = of_reset_control_get(node, NULL);
 	if (!IS_ERR(rstc)) {
diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c
index 1de5ec8d5ea3..3c3971256130 100644
--- a/drivers/cpufreq/intel_pstate.c
+++ b/drivers/cpufreq/intel_pstate.c
@@ -294,6 +294,7 @@ struct pstate_funcs {
 static struct pstate_funcs pstate_funcs __read_mostly;
 
 static int hwp_active __read_mostly;
+static int hwp_mode_bdw __read_mostly;
 static bool per_cpu_limits __read_mostly;
 static bool hwp_boost __read_mostly;
 
@@ -1413,7 +1414,15 @@ static void intel_pstate_get_cpu_pstates(struct cpudata *cpu)
 	cpu->pstate.turbo_pstate = pstate_funcs.get_turbo();
 	cpu->pstate.scaling = pstate_funcs.get_scaling();
 	cpu->pstate.max_freq = cpu->pstate.max_pstate * cpu->pstate.scaling;
-	cpu->pstate.turbo_freq = cpu->pstate.turbo_pstate * cpu->pstate.scaling;
+
+	if (hwp_active && !hwp_mode_bdw) {
+		unsigned int phy_max, current_max;
+
+		intel_pstate_get_hwp_max(cpu->cpu, &phy_max, &current_max);
+		cpu->pstate.turbo_freq = phy_max * cpu->pstate.scaling;
+	} else {
+		cpu->pstate.turbo_freq = cpu->pstate.turbo_pstate * cpu->pstate.scaling;
+	}
 
 	if (pstate_funcs.get_aperf_mperf_shift)
 		cpu->aperf_mperf_shift = pstate_funcs.get_aperf_mperf_shift();
@@ -2385,6 +2394,18 @@ static bool __init intel_pstate_no_acpi_pss(void)
 	return true;
 }
 
+static bool __init intel_pstate_no_acpi_pcch(void)
+{
+	acpi_status status;
+	acpi_handle handle;
+
+	status = acpi_get_handle(NULL, "\\_SB", &handle);
+	if (ACPI_FAILURE(status))
+		return true;
+
+	return !acpi_has_method(handle, "PCCH");
+}
+
 static bool __init intel_pstate_has_acpi_ppc(void)
 {
 	int i;
@@ -2444,7 +2465,10 @@ static bool __init intel_pstate_platform_pwr_mgmt_exists(void)
 
 	switch (plat_info[idx].data) {
 	case PSS:
-		return intel_pstate_no_acpi_pss();
+		if (!intel_pstate_no_acpi_pss())
+			return false;
+
+		return intel_pstate_no_acpi_pcch();
 	case PPC:
 		return intel_pstate_has_acpi_ppc() && !force_load;
 	}
@@ -2467,28 +2491,36 @@ static inline bool intel_pstate_has_acpi_ppc(void) { return false; }
 static inline void intel_pstate_request_control_from_smm(void) {}
 #endif /* CONFIG_ACPI */
 
+#define INTEL_PSTATE_HWP_BROADWELL	0x01
+
+#define ICPU_HWP(model, hwp_mode) \
+	{ X86_VENDOR_INTEL, 6, model, X86_FEATURE_HWP, hwp_mode }
+
 static const struct x86_cpu_id hwp_support_ids[] __initconst = {
-	{ X86_VENDOR_INTEL, 6, X86_MODEL_ANY, X86_FEATURE_HWP },
+	ICPU_HWP(INTEL_FAM6_BROADWELL_X, INTEL_PSTATE_HWP_BROADWELL),
+	ICPU_HWP(INTEL_FAM6_BROADWELL_XEON_D, INTEL_PSTATE_HWP_BROADWELL),
+	ICPU_HWP(X86_MODEL_ANY, 0),
 	{}
 };
 
 static int __init intel_pstate_init(void)
 {
+	const struct x86_cpu_id *id;
 	int rc;
 
 	if (no_load)
 		return -ENODEV;
 
-	if (x86_match_cpu(hwp_support_ids)) {
+	id = x86_match_cpu(hwp_support_ids);
+	if (id) {
 		copy_cpu_funcs(&core_funcs);
 		if (!no_hwp) {
 			hwp_active++;
+			hwp_mode_bdw = id->driver_data;
 			intel_pstate.attr = hwp_cpufreq_attrs;
 			goto hwp_cpu_matched;
 		}
 	} else {
-		const struct x86_cpu_id *id;
-
 		id = x86_match_cpu(intel_pstate_cpu_ids);
 		if (!id)
 			return -ENODEV;
diff --git a/drivers/cpufreq/pcc-cpufreq.c b/drivers/cpufreq/pcc-cpufreq.c
index 3f0ce2ae35ee..0c56c9759672 100644
--- a/drivers/cpufreq/pcc-cpufreq.c
+++ b/drivers/cpufreq/pcc-cpufreq.c
@@ -580,6 +580,10 @@ static int __init pcc_cpufreq_init(void)
 {
 	int ret;
 
+	/* Skip initialization if another cpufreq driver is there. */
+	if (cpufreq_get_current_driver())
+		return 0;
+
 	if (acpi_disabled)
 		return 0;
 
diff --git a/drivers/cpufreq/qcom-cpufreq-kryo.c b/drivers/cpufreq/qcom-cpufreq-kryo.c
index d049fe4b80c4..efc9a7ae4857 100644
--- a/drivers/cpufreq/qcom-cpufreq-kryo.c
+++ b/drivers/cpufreq/qcom-cpufreq-kryo.c
@@ -42,6 +42,8 @@ enum _msm8996_version {
 	NUM_OF_MSM8996_VERSIONS,
 };
 
+struct platform_device *cpufreq_dt_pdev, *kryo_cpufreq_pdev;
+
 static enum _msm8996_version __init qcom_cpufreq_kryo_get_msm_id(void)
 {
 	size_t len;
@@ -74,7 +76,6 @@ static enum _msm8996_version __init qcom_cpufreq_kryo_get_msm_id(void)
 static int qcom_cpufreq_kryo_probe(struct platform_device *pdev)
 {
 	struct opp_table *opp_tables[NR_CPUS] = {0};
-	struct platform_device *cpufreq_dt_pdev;
 	enum _msm8996_version msm8996_version;
 	struct nvmem_cell *speedbin_nvmem;
 	struct device_node *np;
@@ -86,8 +87,8 @@ static int qcom_cpufreq_kryo_probe(struct platform_device *pdev)
 	int ret;
 
 	cpu_dev = get_cpu_device(0);
-	if (NULL == cpu_dev)
-		ret = -ENODEV;
+	if (!cpu_dev)
+		return -ENODEV;
 
 	msm8996_version = qcom_cpufreq_kryo_get_msm_id();
 	if (NUM_OF_MSM8996_VERSIONS == msm8996_version) {
@@ -96,8 +97,8 @@ static int qcom_cpufreq_kryo_probe(struct platform_device *pdev)
 	}
 
 	np = dev_pm_opp_of_get_opp_desc_node(cpu_dev);
-	if (IS_ERR(np))
-		return PTR_ERR(np);
+	if (!np)
+		return -ENOENT;
 
 	ret = of_device_is_compatible(np, "operating-points-v2-kryo-cpu");
 	if (!ret) {
@@ -115,6 +116,8 @@ static int qcom_cpufreq_kryo_probe(struct platform_device *pdev)
 
 	speedbin = nvmem_cell_read(speedbin_nvmem, &len);
 	nvmem_cell_put(speedbin_nvmem);
+	if (IS_ERR(speedbin))
+		return PTR_ERR(speedbin);
 
 	switch (msm8996_version) {
 	case MSM8996_V3:
@@ -127,6 +130,7 @@ static int qcom_cpufreq_kryo_probe(struct platform_device *pdev)
 		BUG();
 		break;
 	}
+	kfree(speedbin);
 
 	for_each_possible_cpu(cpu) {
 		cpu_dev = get_cpu_device(cpu);
@@ -162,8 +166,15 @@ free_opp:
 	return ret;
 }
 
+static int qcom_cpufreq_kryo_remove(struct platform_device *pdev)
+{
+	platform_device_unregister(cpufreq_dt_pdev);
+	return 0;
+}
+
 static struct platform_driver qcom_cpufreq_kryo_driver = {
 	.probe = qcom_cpufreq_kryo_probe,
+	.remove = qcom_cpufreq_kryo_remove,
 	.driver = {
 		.name = "qcom-cpufreq-kryo",
 	},
@@ -172,6 +183,7 @@ static struct platform_driver qcom_cpufreq_kryo_driver = {
 static const struct of_device_id qcom_cpufreq_kryo_match_list[] __initconst = {
 	{ .compatible = "qcom,apq8096", },
 	{ .compatible = "qcom,msm8996", },
+	{}
 };
 
 /*
@@ -198,8 +210,9 @@ static int __init qcom_cpufreq_kryo_init(void)
 	if (unlikely(ret < 0))
 		return ret;
 
-	ret = PTR_ERR_OR_ZERO(platform_device_register_simple(
-		"qcom-cpufreq-kryo", -1, NULL, 0));
+	kryo_cpufreq_pdev = platform_device_register_simple(
+		"qcom-cpufreq-kryo", -1, NULL, 0);
+	ret = PTR_ERR_OR_ZERO(kryo_cpufreq_pdev);
 	if (0 == ret)
 		return 0;
 
@@ -208,5 +221,12 @@ static int __init qcom_cpufreq_kryo_init(void)
 }
 module_init(qcom_cpufreq_kryo_init);
 
+static void __init qcom_cpufreq_kryo_exit(void)
+{
+	platform_device_unregister(kryo_cpufreq_pdev);
+	platform_driver_unregister(&qcom_cpufreq_kryo_driver);
+}
+module_exit(qcom_cpufreq_kryo_exit);
+
 MODULE_DESCRIPTION("Qualcomm Technologies, Inc. Kryo CPUfreq driver");
 MODULE_LICENSE("GPL v2");
diff --git a/drivers/crypto/chelsio/chtls/chtls_io.c b/drivers/crypto/chelsio/chtls/chtls_io.c
index 00c7aab8e7d0..afebbd87c4aa 100644
--- a/drivers/crypto/chelsio/chtls/chtls_io.c
+++ b/drivers/crypto/chelsio/chtls/chtls_io.c
@@ -1548,15 +1548,14 @@ skip_copy:
 			tp->urg_data = 0;
 
 		if ((avail + offset) >= skb->len) {
-			if (likely(skb))
-				chtls_free_skb(sk, skb);
-			buffers_freed++;
 			if (ULP_SKB_CB(skb)->flags & ULPCB_FLAG_TLS_HDR) {
 				tp->copied_seq += skb->len;
 				hws->rcvpld = skb->hdr_len;
 			} else {
 				tp->copied_seq += hws->rcvpld;
 			}
+			chtls_free_skb(sk, skb);
+			buffers_freed++;
 			hws->copied_seq = 0;
 			if (copied >= target &&
 			    !skb_peek(&sk->sk_receive_queue))
diff --git a/drivers/dax/device.c b/drivers/dax/device.c
index de2f8297a210..108c37fca782 100644
--- a/drivers/dax/device.c
+++ b/drivers/dax/device.c
@@ -189,14 +189,16 @@ static int check_vma(struct dev_dax *dev_dax, struct vm_area_struct *vma,
 
 	/* prevent private mappings from being established */
 	if ((vma->vm_flags & VM_MAYSHARE) != VM_MAYSHARE) {
-		dev_info(dev, "%s: %s: fail, attempted private mapping\n",
+		dev_info_ratelimited(dev,
+				"%s: %s: fail, attempted private mapping\n",
 				current->comm, func);
 		return -EINVAL;
 	}
 
 	mask = dax_region->align - 1;
 	if (vma->vm_start & mask || vma->vm_end & mask) {
-		dev_info(dev, "%s: %s: fail, unaligned vma (%#lx - %#lx, %#lx)\n",
+		dev_info_ratelimited(dev,
+				"%s: %s: fail, unaligned vma (%#lx - %#lx, %#lx)\n",
 				current->comm, func, vma->vm_start, vma->vm_end,
 				mask);
 		return -EINVAL;
@@ -204,13 +206,15 @@ static int check_vma(struct dev_dax *dev_dax, struct vm_area_struct *vma,
 
 	if ((dax_region->pfn_flags & (PFN_DEV|PFN_MAP)) == PFN_DEV
 			&& (vma->vm_flags & VM_DONTCOPY) == 0) {
-		dev_info(dev, "%s: %s: fail, dax range requires MADV_DONTFORK\n",
+		dev_info_ratelimited(dev,
+				"%s: %s: fail, dax range requires MADV_DONTFORK\n",
 				current->comm, func);
 		return -EINVAL;
 	}
 
 	if (!vma_is_dax(vma)) {
-		dev_info(dev, "%s: %s: fail, vma is not DAX capable\n",
+		dev_info_ratelimited(dev,
+				"%s: %s: fail, vma is not DAX capable\n",
 				current->comm, func);
 		return -EINVAL;
 	}
diff --git a/drivers/dax/super.c b/drivers/dax/super.c
index 903d9c473749..45276abf03aa 100644
--- a/drivers/dax/super.c
+++ b/drivers/dax/super.c
@@ -86,6 +86,7 @@ bool __bdev_dax_supported(struct block_device *bdev, int blocksize)
 {
 	struct dax_device *dax_dev;
 	bool dax_enabled = false;
+	struct request_queue *q;
 	pgoff_t pgoff;
 	int err, id;
 	void *kaddr;
@@ -99,6 +100,13 @@ bool __bdev_dax_supported(struct block_device *bdev, int blocksize)
 		return false;
 	}
 
+	q = bdev_get_queue(bdev);
+	if (!q || !blk_queue_dax(q)) {
+		pr_debug("%s: error: request queue doesn't support dax\n",
+				bdevname(bdev, buf));
+		return false;
+	}
+
 	err = bdev_dax_pgoff(bdev, 0, PAGE_SIZE, &pgoff);
 	if (err) {
 		pr_debug("%s: error: unaligned partition for dax\n",
diff --git a/drivers/dma/k3dma.c b/drivers/dma/k3dma.c
index fa31cccbe04f..6bfa217ed6d0 100644
--- a/drivers/dma/k3dma.c
+++ b/drivers/dma/k3dma.c
@@ -794,7 +794,7 @@ static struct dma_chan *k3_of_dma_simple_xlate(struct of_phandle_args *dma_spec,
 	struct k3_dma_dev *d = ofdma->of_dma_data;
 	unsigned int request = dma_spec->args[0];
 
-	if (request > d->dma_requests)
+	if (request >= d->dma_requests)
 		return NULL;
 
 	return dma_get_slave_channel(&(d->chans[request].vc.chan));
diff --git a/drivers/dma/pl330.c b/drivers/dma/pl330.c
index defcdde4d358..de0957fe9668 100644
--- a/drivers/dma/pl330.c
+++ b/drivers/dma/pl330.c
@@ -3033,7 +3033,7 @@ pl330_probe(struct amba_device *adev, const struct amba_id *id)
 	pd->src_addr_widths = PL330_DMA_BUSWIDTHS;
 	pd->dst_addr_widths = PL330_DMA_BUSWIDTHS;
 	pd->directions = BIT(DMA_DEV_TO_MEM) | BIT(DMA_MEM_TO_DEV);
-	pd->residue_granularity = DMA_RESIDUE_GRANULARITY_SEGMENT;
+	pd->residue_granularity = DMA_RESIDUE_GRANULARITY_BURST;
 	pd->max_burst = ((pl330->quirks & PL330_QUIRK_BROKEN_NO_FLUSHP) ?
 			 1 : PL330_MAX_BURST);
 
diff --git a/drivers/dma/ti/omap-dma.c b/drivers/dma/ti/omap-dma.c
index 9b5ca8691f27..a4a931ddf6f6 100644
--- a/drivers/dma/ti/omap-dma.c
+++ b/drivers/dma/ti/omap-dma.c
@@ -1485,7 +1485,11 @@ static int omap_dma_probe(struct platform_device *pdev)
 	od->ddev.src_addr_widths = OMAP_DMA_BUSWIDTHS;
 	od->ddev.dst_addr_widths = OMAP_DMA_BUSWIDTHS;
 	od->ddev.directions = BIT(DMA_DEV_TO_MEM) | BIT(DMA_MEM_TO_DEV);
-	od->ddev.residue_granularity = DMA_RESIDUE_GRANULARITY_BURST;
+	if (__dma_omap15xx(od->plat->dma_attr))
+		od->ddev.residue_granularity =
+				DMA_RESIDUE_GRANULARITY_DESCRIPTOR;
+	else
+		od->ddev.residue_granularity = DMA_RESIDUE_GRANULARITY_BURST;
 	od->ddev.max_burst = SZ_16M - 1; /* CCEN: 24bit unsigned */
 	od->ddev.dev = &pdev->dev;
 	INIT_LIST_HEAD(&od->ddev.channels);
diff --git a/drivers/firmware/dmi-id.c b/drivers/firmware/dmi-id.c
index 951b6c79f166..624a11cb07e2 100644
--- a/drivers/firmware/dmi-id.c
+++ b/drivers/firmware/dmi-id.c
@@ -47,6 +47,7 @@ DEFINE_DMI_ATTR_WITH_SHOW(product_name,		0444, DMI_PRODUCT_NAME);
 DEFINE_DMI_ATTR_WITH_SHOW(product_version,	0444, DMI_PRODUCT_VERSION);
 DEFINE_DMI_ATTR_WITH_SHOW(product_serial,	0400, DMI_PRODUCT_SERIAL);
 DEFINE_DMI_ATTR_WITH_SHOW(product_uuid,		0400, DMI_PRODUCT_UUID);
+DEFINE_DMI_ATTR_WITH_SHOW(product_sku,		0444, DMI_PRODUCT_SKU);
 DEFINE_DMI_ATTR_WITH_SHOW(product_family,	0444, DMI_PRODUCT_FAMILY);
 DEFINE_DMI_ATTR_WITH_SHOW(board_vendor,		0444, DMI_BOARD_VENDOR);
 DEFINE_DMI_ATTR_WITH_SHOW(board_name,		0444, DMI_BOARD_NAME);
@@ -193,6 +194,7 @@ static void __init dmi_id_init_attr_table(void)
 	ADD_DMI_ATTR(product_serial,    DMI_PRODUCT_SERIAL);
 	ADD_DMI_ATTR(product_uuid,      DMI_PRODUCT_UUID);
 	ADD_DMI_ATTR(product_family,    DMI_PRODUCT_FAMILY);
+	ADD_DMI_ATTR(product_sku,       DMI_PRODUCT_SKU);
 	ADD_DMI_ATTR(board_vendor,      DMI_BOARD_VENDOR);
 	ADD_DMI_ATTR(board_name,        DMI_BOARD_NAME);
 	ADD_DMI_ATTR(board_version,     DMI_BOARD_VERSION);
diff --git a/drivers/firmware/dmi_scan.c b/drivers/firmware/dmi_scan.c
index 54e66adef252..f2483548cde9 100644
--- a/drivers/firmware/dmi_scan.c
+++ b/drivers/firmware/dmi_scan.c
@@ -447,6 +447,7 @@ static void __init dmi_decode(const struct dmi_header *dm, void *dummy)
 		dmi_save_ident(dm, DMI_PRODUCT_VERSION, 6);
 		dmi_save_ident(dm, DMI_PRODUCT_SERIAL, 7);
 		dmi_save_uuid(dm, DMI_PRODUCT_UUID, 8);
+		dmi_save_ident(dm, DMI_PRODUCT_SKU, 25);
 		dmi_save_ident(dm, DMI_PRODUCT_FAMILY, 26);
 		break;
 	case 2:		/* Base Board Information */
diff --git a/drivers/firmware/efi/libstub/tpm.c b/drivers/firmware/efi/libstub/tpm.c
index caa37a6dd9d4..a90b0b8fc69a 100644
--- a/drivers/firmware/efi/libstub/tpm.c
+++ b/drivers/firmware/efi/libstub/tpm.c
@@ -64,7 +64,7 @@ static void efi_retrieve_tpm2_eventlog_1_2(efi_system_table_t *sys_table_arg)
 	efi_guid_t tcg2_guid = EFI_TCG2_PROTOCOL_GUID;
 	efi_guid_t linux_eventlog_guid = LINUX_EFI_TPM_EVENT_LOG_GUID;
 	efi_status_t status;
-	efi_physical_addr_t log_location, log_last_entry;
+	efi_physical_addr_t log_location = 0, log_last_entry = 0;
 	struct linux_efi_tpm_eventlog *log_tbl = NULL;
 	unsigned long first_entry_addr, last_entry_addr;
 	size_t log_size, last_entry_size;
diff --git a/drivers/fpga/altera-cvp.c b/drivers/fpga/altera-cvp.c
index dd4edd8f22ce..7fa793672a7a 100644
--- a/drivers/fpga/altera-cvp.c
+++ b/drivers/fpga/altera-cvp.c
@@ -455,8 +455,10 @@ static int altera_cvp_probe(struct pci_dev *pdev,
 
 	mgr = fpga_mgr_create(&pdev->dev, conf->mgr_name,
 			      &altera_cvp_ops, conf);
-	if (!mgr)
-		return -ENOMEM;
+	if (!mgr) {
+		ret = -ENOMEM;
+		goto err_unmap;
+	}
 
 	pci_set_drvdata(pdev, mgr);
 
diff --git a/drivers/gpio/gpio-uniphier.c b/drivers/gpio/gpio-uniphier.c
index d3cf9502e7e7..58faeb1cef63 100644
--- a/drivers/gpio/gpio-uniphier.c
+++ b/drivers/gpio/gpio-uniphier.c
@@ -181,7 +181,11 @@ static int uniphier_gpio_to_irq(struct gpio_chip *chip, unsigned int offset)
 	fwspec.fwnode = of_node_to_fwnode(chip->parent->of_node);
 	fwspec.param_count = 2;
 	fwspec.param[0] = offset - UNIPHIER_GPIO_IRQ_OFFSET;
-	fwspec.param[1] = IRQ_TYPE_NONE;
+	/*
+	 * IRQ_TYPE_NONE is rejected by the parent irq domain. Set LEVEL_HIGH
+	 * temporarily. Anyway, ->irq_set_type() will override it later.
+	 */
+	fwspec.param[1] = IRQ_TYPE_LEVEL_HIGH;
 
 	return irq_create_fwspec_mapping(&fwspec);
 }
diff --git a/drivers/gpio/gpiolib-of.c b/drivers/gpio/gpiolib-of.c
index 28d968088131..53a14ee8ad6d 100644
--- a/drivers/gpio/gpiolib-of.c
+++ b/drivers/gpio/gpiolib-of.c
@@ -64,7 +64,8 @@ static void of_gpio_flags_quirks(struct device_node *np,
 	 * Note that active low is the default.
 	 */
 	if (IS_ENABLED(CONFIG_REGULATOR) &&
-	    (of_device_is_compatible(np, "reg-fixed-voltage") ||
+	    (of_device_is_compatible(np, "regulator-fixed") ||
+	     of_device_is_compatible(np, "reg-fixed-voltage") ||
 	     of_device_is_compatible(np, "regulator-gpio"))) {
 		/*
 		 * The regulator GPIO handles are specified such that the
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index a59c07590cee..7dcbac8af9a7 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -190,6 +190,7 @@ struct amdgpu_job;
 struct amdgpu_irq_src;
 struct amdgpu_fpriv;
 struct amdgpu_bo_va_mapping;
+struct amdgpu_atif;
 
 enum amdgpu_cp_irq {
 	AMDGPU_CP_IRQ_GFX_EOP = 0,
@@ -1269,43 +1270,6 @@ struct amdgpu_vram_scratch {
 /*
  * ACPI
  */
-struct amdgpu_atif_notification_cfg {
-	bool enabled;
-	int command_code;
-};
-
-struct amdgpu_atif_notifications {
-	bool display_switch;
-	bool expansion_mode_change;
-	bool thermal_state;
-	bool forced_power_state;
-	bool system_power_state;
-	bool display_conf_change;
-	bool px_gfx_switch;
-	bool brightness_change;
-	bool dgpu_display_event;
-};
-
-struct amdgpu_atif_functions {
-	bool system_params;
-	bool sbios_requests;
-	bool select_active_disp;
-	bool lid_state;
-	bool get_tv_standard;
-	bool set_tv_standard;
-	bool get_panel_expansion_mode;
-	bool set_panel_expansion_mode;
-	bool temperature_change;
-	bool graphics_device_types;
-};
-
-struct amdgpu_atif {
-	struct amdgpu_atif_notifications notifications;
-	struct amdgpu_atif_functions functions;
-	struct amdgpu_atif_notification_cfg notification_cfg;
-	struct amdgpu_encoder *encoder_for_bl;
-};
-
 struct amdgpu_atcs_functions {
 	bool get_ext_state;
 	bool pcie_perf_req;
@@ -1466,7 +1430,7 @@ struct amdgpu_device {
 #if defined(CONFIG_DEBUG_FS)
 	struct dentry			*debugfs_regs[AMDGPU_DEBUGFS_MAX_COMPONENTS];
 #endif
-	struct amdgpu_atif		atif;
+	struct amdgpu_atif		*atif;
 	struct amdgpu_atcs		atcs;
 	struct mutex			srbm_mutex;
 	/* GRBM index mutex. Protects concurrent access to GRBM index */
@@ -1894,6 +1858,12 @@ static inline bool amdgpu_atpx_dgpu_req_power_for_displays(void) { return false;
 static inline bool amdgpu_has_atpx(void) { return false; }
 #endif
 
+#if defined(CONFIG_VGA_SWITCHEROO) && defined(CONFIG_ACPI)
+void *amdgpu_atpx_get_dhandle(void);
+#else
+static inline void *amdgpu_atpx_get_dhandle(void) { return NULL; }
+#endif
+
 /*
  * KMS
  */
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c
index f4c474a95875..71efcf38f11b 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c
@@ -57,6 +57,10 @@
 #define ACP_I2S_COMP2_CAP_REG_OFFSET		0xa8
 #define ACP_I2S_COMP1_PLAY_REG_OFFSET		0x6c
 #define ACP_I2S_COMP2_PLAY_REG_OFFSET		0x68
+#define ACP_BT_PLAY_REGS_START			0x14970
+#define ACP_BT_PLAY_REGS_END			0x14a24
+#define ACP_BT_COMP1_REG_OFFSET			0xac
+#define ACP_BT_COMP2_REG_OFFSET			0xa8
 
 #define mmACP_PGFSM_RETAIN_REG			0x51c9
 #define mmACP_PGFSM_CONFIG_REG			0x51ca
@@ -77,7 +81,7 @@
 #define ACP_SOFT_RESET_DONE_TIME_OUT_VALUE	0x000000FF
 
 #define ACP_TIMEOUT_LOOP			0x000000FF
-#define ACP_DEVS				3
+#define ACP_DEVS				4
 #define ACP_SRC_ID				162
 
 enum {
@@ -316,14 +320,13 @@ static int acp_hw_init(void *handle)
 	if (adev->acp.acp_cell == NULL)
 		return -ENOMEM;
 
-	adev->acp.acp_res = kcalloc(4, sizeof(struct resource), GFP_KERNEL);
-
+	adev->acp.acp_res = kcalloc(5, sizeof(struct resource), GFP_KERNEL);
 	if (adev->acp.acp_res == NULL) {
 		kfree(adev->acp.acp_cell);
 		return -ENOMEM;
 	}
 
-	i2s_pdata = kcalloc(2, sizeof(struct i2s_platform_data), GFP_KERNEL);
+	i2s_pdata = kcalloc(3, sizeof(struct i2s_platform_data), GFP_KERNEL);
 	if (i2s_pdata == NULL) {
 		kfree(adev->acp.acp_res);
 		kfree(adev->acp.acp_cell);
@@ -358,6 +361,20 @@ static int acp_hw_init(void *handle)
 	i2s_pdata[1].i2s_reg_comp1 = ACP_I2S_COMP1_CAP_REG_OFFSET;
 	i2s_pdata[1].i2s_reg_comp2 = ACP_I2S_COMP2_CAP_REG_OFFSET;
 
+	i2s_pdata[2].quirks = DW_I2S_QUIRK_COMP_REG_OFFSET;
+	switch (adev->asic_type) {
+	case CHIP_STONEY:
+		i2s_pdata[2].quirks |= DW_I2S_QUIRK_16BIT_IDX_OVERRIDE;
+		break;
+	default:
+		break;
+	}
+
+	i2s_pdata[2].cap = DWC_I2S_PLAY | DWC_I2S_RECORD;
+	i2s_pdata[2].snd_rates = SNDRV_PCM_RATE_8000_96000;
+	i2s_pdata[2].i2s_reg_comp1 = ACP_BT_COMP1_REG_OFFSET;
+	i2s_pdata[2].i2s_reg_comp2 = ACP_BT_COMP2_REG_OFFSET;
+
 	adev->acp.acp_res[0].name = "acp2x_dma";
 	adev->acp.acp_res[0].flags = IORESOURCE_MEM;
 	adev->acp.acp_res[0].start = acp_base;
@@ -373,13 +390,18 @@ static int acp_hw_init(void *handle)
 	adev->acp.acp_res[2].start = acp_base + ACP_I2S_CAP_REGS_START;
 	adev->acp.acp_res[2].end = acp_base + ACP_I2S_CAP_REGS_END;
 
-	adev->acp.acp_res[3].name = "acp2x_dma_irq";
-	adev->acp.acp_res[3].flags = IORESOURCE_IRQ;
-	adev->acp.acp_res[3].start = amdgpu_irq_create_mapping(adev, 162);
-	adev->acp.acp_res[3].end = adev->acp.acp_res[3].start;
+	adev->acp.acp_res[3].name = "acp2x_dw_bt_i2s_play_cap";
+	adev->acp.acp_res[3].flags = IORESOURCE_MEM;
+	adev->acp.acp_res[3].start = acp_base + ACP_BT_PLAY_REGS_START;
+	adev->acp.acp_res[3].end = acp_base + ACP_BT_PLAY_REGS_END;
+
+	adev->acp.acp_res[4].name = "acp2x_dma_irq";
+	adev->acp.acp_res[4].flags = IORESOURCE_IRQ;
+	adev->acp.acp_res[4].start = amdgpu_irq_create_mapping(adev, 162);
+	adev->acp.acp_res[4].end = adev->acp.acp_res[4].start;
 
 	adev->acp.acp_cell[0].name = "acp_audio_dma";
-	adev->acp.acp_cell[0].num_resources = 4;
+	adev->acp.acp_cell[0].num_resources = 5;
 	adev->acp.acp_cell[0].resources = &adev->acp.acp_res[0];
 	adev->acp.acp_cell[0].platform_data = &adev->asic_type;
 	adev->acp.acp_cell[0].pdata_size = sizeof(adev->asic_type);
@@ -396,6 +418,12 @@ static int acp_hw_init(void *handle)
 	adev->acp.acp_cell[2].platform_data = &i2s_pdata[1];
 	adev->acp.acp_cell[2].pdata_size = sizeof(struct i2s_platform_data);
 
+	adev->acp.acp_cell[3].name = "designware-i2s";
+	adev->acp.acp_cell[3].num_resources = 1;
+	adev->acp.acp_cell[3].resources = &adev->acp.acp_res[3];
+	adev->acp.acp_cell[3].platform_data = &i2s_pdata[2];
+	adev->acp.acp_cell[3].pdata_size = sizeof(struct i2s_platform_data);
+
 	r = mfd_add_hotplug_devices(adev->acp.parent, adev->acp.acp_cell,
 								ACP_DEVS);
 	if (r)
@@ -451,7 +479,6 @@ static int acp_hw_init(void *handle)
 	val = cgs_read_register(adev->acp.cgs_device, mmACP_SOFT_RESET);
 	val &= ~ACP_SOFT_RESET__SoftResetAud_MASK;
 	cgs_write_register(adev->acp.cgs_device, mmACP_SOFT_RESET, val);
-
 	return 0;
 }
 
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c
index 8fa850a070e0..0d8c3fc6eace 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c
@@ -34,6 +34,45 @@
 #include "amd_acpi.h"
 #include "atom.h"
 
+struct amdgpu_atif_notification_cfg {
+	bool enabled;
+	int command_code;
+};
+
+struct amdgpu_atif_notifications {
+	bool display_switch;
+	bool expansion_mode_change;
+	bool thermal_state;
+	bool forced_power_state;
+	bool system_power_state;
+	bool display_conf_change;
+	bool px_gfx_switch;
+	bool brightness_change;
+	bool dgpu_display_event;
+};
+
+struct amdgpu_atif_functions {
+	bool system_params;
+	bool sbios_requests;
+	bool select_active_disp;
+	bool lid_state;
+	bool get_tv_standard;
+	bool set_tv_standard;
+	bool get_panel_expansion_mode;
+	bool set_panel_expansion_mode;
+	bool temperature_change;
+	bool graphics_device_types;
+};
+
+struct amdgpu_atif {
+	acpi_handle handle;
+
+	struct amdgpu_atif_notifications notifications;
+	struct amdgpu_atif_functions functions;
+	struct amdgpu_atif_notification_cfg notification_cfg;
+	struct amdgpu_encoder *encoder_for_bl;
+};
+
 /* Call the ATIF method
  */
 /**
@@ -46,8 +85,9 @@
  * Executes the requested ATIF function (all asics).
  * Returns a pointer to the acpi output buffer.
  */
-static union acpi_object *amdgpu_atif_call(acpi_handle handle, int function,
-		struct acpi_buffer *params)
+static union acpi_object *amdgpu_atif_call(struct amdgpu_atif *atif,
+					   int function,
+					   struct acpi_buffer *params)
 {
 	acpi_status status;
 	union acpi_object atif_arg_elements[2];
@@ -70,7 +110,8 @@ static union acpi_object *amdgpu_atif_call(acpi_handle handle, int function,
 		atif_arg_elements[1].integer.value = 0;
 	}
 
-	status = acpi_evaluate_object(handle, "ATIF", &atif_arg, &buffer);
+	status = acpi_evaluate_object(atif->handle, NULL, &atif_arg,
+				      &buffer);
 
 	/* Fail only if calling the method fails and ATIF is supported */
 	if (ACPI_FAILURE(status) && status != AE_NOT_FOUND) {
@@ -141,15 +182,14 @@ static void amdgpu_atif_parse_functions(struct amdgpu_atif_functions *f, u32 mas
  * (all asics).
  * returns 0 on success, error on failure.
  */
-static int amdgpu_atif_verify_interface(acpi_handle handle,
-		struct amdgpu_atif *atif)
+static int amdgpu_atif_verify_interface(struct amdgpu_atif *atif)
 {
 	union acpi_object *info;
 	struct atif_verify_interface output;
 	size_t size;
 	int err = 0;
 
-	info = amdgpu_atif_call(handle, ATIF_FUNCTION_VERIFY_INTERFACE, NULL);
+	info = amdgpu_atif_call(atif, ATIF_FUNCTION_VERIFY_INTERFACE, NULL);
 	if (!info)
 		return -EIO;
 
@@ -176,6 +216,35 @@ out:
 	return err;
 }
 
+static acpi_handle amdgpu_atif_probe_handle(acpi_handle dhandle)
+{
+	acpi_handle handle = NULL;
+	char acpi_method_name[255] = { 0 };
+	struct acpi_buffer buffer = { sizeof(acpi_method_name), acpi_method_name };
+	acpi_status status;
+
+	/* For PX/HG systems, ATIF and ATPX are in the iGPU's namespace, on dGPU only
+	 * systems, ATIF is in the dGPU's namespace.
+	 */
+	status = acpi_get_handle(dhandle, "ATIF", &handle);
+	if (ACPI_SUCCESS(status))
+		goto out;
+
+	if (amdgpu_has_atpx()) {
+		status = acpi_get_handle(amdgpu_atpx_get_dhandle(), "ATIF",
+					 &handle);
+		if (ACPI_SUCCESS(status))
+			goto out;
+	}
+
+	DRM_DEBUG_DRIVER("No ATIF handle found\n");
+	return NULL;
+out:
+	acpi_get_name(handle, ACPI_FULL_PATHNAME, &buffer);
+	DRM_DEBUG_DRIVER("Found ATIF handle %s\n", acpi_method_name);
+	return handle;
+}
+
 /**
  * amdgpu_atif_get_notification_params - determine notify configuration
  *
@@ -188,15 +257,16 @@ out:
  * where n is specified in the result if a notifier is used.
  * Returns 0 on success, error on failure.
  */
-static int amdgpu_atif_get_notification_params(acpi_handle handle,
-		struct amdgpu_atif_notification_cfg *n)
+static int amdgpu_atif_get_notification_params(struct amdgpu_atif *atif)
 {
 	union acpi_object *info;
+	struct amdgpu_atif_notification_cfg *n = &atif->notification_cfg;
 	struct atif_system_params params;
 	size_t size;
 	int err = 0;
 
-	info = amdgpu_atif_call(handle, ATIF_FUNCTION_GET_SYSTEM_PARAMETERS, NULL);
+	info = amdgpu_atif_call(atif, ATIF_FUNCTION_GET_SYSTEM_PARAMETERS,
+				NULL);
 	if (!info) {
 		err = -EIO;
 		goto out;
@@ -250,14 +320,15 @@ out:
  * (all asics).
  * Returns 0 on success, error on failure.
  */
-static int amdgpu_atif_get_sbios_requests(acpi_handle handle,
-		struct atif_sbios_requests *req)
+static int amdgpu_atif_get_sbios_requests(struct amdgpu_atif *atif,
+					  struct atif_sbios_requests *req)
 {
 	union acpi_object *info;
 	size_t size;
 	int count = 0;
 
-	info = amdgpu_atif_call(handle, ATIF_FUNCTION_GET_SYSTEM_BIOS_REQUESTS, NULL);
+	info = amdgpu_atif_call(atif, ATIF_FUNCTION_GET_SYSTEM_BIOS_REQUESTS,
+				NULL);
 	if (!info)
 		return -EIO;
 
@@ -290,11 +361,10 @@ out:
  * Returns NOTIFY code
  */
 static int amdgpu_atif_handler(struct amdgpu_device *adev,
-			struct acpi_bus_event *event)
+			       struct acpi_bus_event *event)
 {
-	struct amdgpu_atif *atif = &adev->atif;
+	struct amdgpu_atif *atif = adev->atif;
 	struct atif_sbios_requests req;
-	acpi_handle handle;
 	int count;
 
 	DRM_DEBUG_DRIVER("event, device_class = %s, type = %#x\n",
@@ -303,14 +373,14 @@ static int amdgpu_atif_handler(struct amdgpu_device *adev,
 	if (strcmp(event->device_class, ACPI_VIDEO_CLASS) != 0)
 		return NOTIFY_DONE;
 
-	if (!atif->notification_cfg.enabled ||
+	if (!atif ||
+	    !atif->notification_cfg.enabled ||
 	    event->type != atif->notification_cfg.command_code)
 		/* Not our event */
 		return NOTIFY_DONE;
 
 	/* Check pending SBIOS requests */
-	handle = ACPI_HANDLE(&adev->pdev->dev);
-	count = amdgpu_atif_get_sbios_requests(handle, &req);
+	count = amdgpu_atif_get_sbios_requests(atif, &req);
 
 	if (count <= 0)
 		return NOTIFY_DONE;
@@ -641,8 +711,8 @@ static int amdgpu_acpi_event(struct notifier_block *nb,
  */
 int amdgpu_acpi_init(struct amdgpu_device *adev)
 {
-	acpi_handle handle;
-	struct amdgpu_atif *atif = &adev->atif;
+	acpi_handle handle, atif_handle;
+	struct amdgpu_atif *atif;
 	struct amdgpu_atcs *atcs = &adev->atcs;
 	int ret;
 
@@ -658,12 +728,26 @@ int amdgpu_acpi_init(struct amdgpu_device *adev)
 		DRM_DEBUG_DRIVER("Call to ATCS verify_interface failed: %d\n", ret);
 	}
 
+	/* Probe for ATIF, and initialize it if found */
+	atif_handle = amdgpu_atif_probe_handle(handle);
+	if (!atif_handle)
+		goto out;
+
+	atif = kzalloc(sizeof(*atif), GFP_KERNEL);
+	if (!atif) {
+		DRM_WARN("Not enough memory to initialize ATIF\n");
+		goto out;
+	}
+	atif->handle = atif_handle;
+
 	/* Call the ATIF method */
-	ret = amdgpu_atif_verify_interface(handle, atif);
+	ret = amdgpu_atif_verify_interface(atif);
 	if (ret) {
 		DRM_DEBUG_DRIVER("Call to ATIF verify_interface failed: %d\n", ret);
+		kfree(atif);
 		goto out;
 	}
+	adev->atif = atif;
 
 	if (atif->notifications.brightness_change) {
 		struct drm_encoder *tmp;
@@ -693,8 +777,7 @@ int amdgpu_acpi_init(struct amdgpu_device *adev)
 	}
 
 	if (atif->functions.system_params) {
-		ret = amdgpu_atif_get_notification_params(handle,
-				&atif->notification_cfg);
+		ret = amdgpu_atif_get_notification_params(atif);
 		if (ret) {
 			DRM_DEBUG_DRIVER("Call to GET_SYSTEM_PARAMS failed: %d\n",
 					ret);
@@ -720,4 +803,6 @@ out:
 void amdgpu_acpi_fini(struct amdgpu_device *adev)
 {
 	unregister_acpi_notifier(&adev->acpi_nb);
+	if (adev->atif)
+		kfree(adev->atif);
 }
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c
index daa06e7c5bb7..ca8bf1c9a98e 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c
@@ -90,6 +90,12 @@ bool amdgpu_atpx_dgpu_req_power_for_displays(void) {
 	return amdgpu_atpx_priv.atpx.dgpu_req_power_for_displays;
 }
 
+#if defined(CONFIG_ACPI)
+void *amdgpu_atpx_get_dhandle(void) {
+	return amdgpu_atpx_priv.dhandle;
+}
+#endif
+
 /**
  * amdgpu_atpx_call - call an ATPX method
  *
@@ -569,6 +575,7 @@ static const struct amdgpu_px_quirk amdgpu_px_quirk_list[] = {
 	{ 0x1002, 0x6900, 0x1002, 0x0124, AMDGPU_PX_QUIRK_FORCE_ATPX },
 	{ 0x1002, 0x6900, 0x1028, 0x0812, AMDGPU_PX_QUIRK_FORCE_ATPX },
 	{ 0x1002, 0x6900, 0x1028, 0x0813, AMDGPU_PX_QUIRK_FORCE_ATPX },
+	{ 0x1002, 0x6900, 0x1025, 0x125A, AMDGPU_PX_QUIRK_FORCE_ATPX },
 	{ 0, 0, 0, 0, 0 },
 };
 
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
index 82312a7bc6ad..9c85a90be293 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
@@ -927,6 +927,10 @@ static int amdgpu_cs_ib_vm_chunk(struct amdgpu_device *adev,
 		r = amdgpu_bo_vm_update_pte(p);
 		if (r)
 			return r;
+
+		r = reservation_object_reserve_shared(vm->root.base.bo->tbo.resv);
+		if (r)
+			return r;
 	}
 
 	return amdgpu_cs_sync_rings(p);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 3317d1536f4f..2c5f093e79e3 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -2158,10 +2158,18 @@ bool amdgpu_device_asic_has_dc_support(enum amd_asic_type asic_type)
 	switch (asic_type) {
 #if defined(CONFIG_DRM_AMD_DC)
 	case CHIP_BONAIRE:
-	case CHIP_HAWAII:
 	case CHIP_KAVERI:
 	case CHIP_KABINI:
 	case CHIP_MULLINS:
+		/*
+		 * We have systems in the wild with these ASICs that require
+		 * LVDS and VGA support which is not supported with DC.
+		 *
+		 * Fallback to the non-DC driver here by default so as not to
+		 * cause regressions.
+		 */
+		return amdgpu_dc > 0;
+	case CHIP_HAWAII:
 	case CHIP_CARRIZO:
 	case CHIP_STONEY:
 	case CHIP_POLARIS10:
@@ -2739,6 +2747,9 @@ int amdgpu_device_resume(struct drm_device *dev, bool resume, bool fbcon)
 	if (r)
 		return r;
 
+	/* Make sure IB tests flushed */
+	flush_delayed_work(&adev->late_init_work);
+
 	/* blat the mode back in */
 	if (fbcon) {
 		if (!amdgpu_device_has_dc_support(adev)) {
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
index 39ec6b8890a1..e74d620d9699 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
@@ -376,7 +376,7 @@ int amdgpu_fence_driver_start_ring(struct amdgpu_ring *ring,
 	struct amdgpu_device *adev = ring->adev;
 	uint64_t index;
 
-	if (ring != &adev->uvd.inst[ring->me].ring) {
+	if (ring->funcs->type != AMDGPU_RING_TYPE_UVD) {
 		ring->fence_drv.cpu_addr = &adev->wb.wb[ring->fence_offs];
 		ring->fence_drv.gpu_addr = adev->wb.gpu_addr + (ring->fence_offs * 4);
 	} else {
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
index f70eeed9ed76..7aaa263ad8c7 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
@@ -231,6 +231,12 @@ int amdgpu_ib_schedule(struct amdgpu_ring *ring, unsigned num_ibs,
 	if (ib->flags & AMDGPU_IB_FLAG_TC_WB_NOT_INVALIDATE)
 		fence_flags |= AMDGPU_FENCE_FLAG_TC_WB_ONLY;
 
+	/* wrap the last IB with fence */
+	if (job && job->uf_addr) {
+		amdgpu_ring_emit_fence(ring, job->uf_addr, job->uf_sequence,
+				       fence_flags | AMDGPU_FENCE_FLAG_64BIT);
+	}
+
 	r = amdgpu_fence_emit(ring, f, fence_flags);
 	if (r) {
 		dev_err(adev->dev, "failed to emit fence (%d)\n", r);
@@ -243,12 +249,6 @@ int amdgpu_ib_schedule(struct amdgpu_ring *ring, unsigned num_ibs,
 	if (ring->funcs->insert_end)
 		ring->funcs->insert_end(ring);
 
-	/* wrap the last IB with fence */
-	if (job && job->uf_addr) {
-		amdgpu_ring_emit_fence(ring, job->uf_addr, job->uf_sequence,
-				       fence_flags | AMDGPU_FENCE_FLAG_64BIT);
-	}
-
 	if (patch_offset != ~0 && ring->funcs->patch_cond_exec)
 		amdgpu_ring_patch_cond_exec(ring, patch_offset);
 
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
index 5e4e1bd90383..3526efa8960e 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
@@ -762,8 +762,7 @@ int amdgpu_bo_pin_restricted(struct amdgpu_bo *bo, u32 domain,
 	domain = amdgpu_mem_type_to_domain(bo->tbo.mem.mem_type);
 	if (domain == AMDGPU_GEM_DOMAIN_VRAM) {
 		adev->vram_pin_size += amdgpu_bo_size(bo);
-		if (bo->flags & AMDGPU_GEM_CREATE_NO_CPU_ACCESS)
-			adev->invisible_pin_size += amdgpu_bo_size(bo);
+		adev->invisible_pin_size += amdgpu_vram_mgr_bo_invisible_size(bo);
 	} else if (domain == AMDGPU_GEM_DOMAIN_GTT) {
 		adev->gart_pin_size += amdgpu_bo_size(bo);
 	}
@@ -790,25 +789,22 @@ int amdgpu_bo_unpin(struct amdgpu_bo *bo)
 	bo->pin_count--;
 	if (bo->pin_count)
 		return 0;
-	for (i = 0; i < bo->placement.num_placement; i++) {
-		bo->placements[i].lpfn = 0;
-		bo->placements[i].flags &= ~TTM_PL_FLAG_NO_EVICT;
-	}
-	r = ttm_bo_validate(&bo->tbo, &bo->placement, &ctx);
-	if (unlikely(r)) {
-		dev_err(adev->dev, "%p validate failed for unpin\n", bo);
-		goto error;
-	}
 
 	if (bo->tbo.mem.mem_type == TTM_PL_VRAM) {
 		adev->vram_pin_size -= amdgpu_bo_size(bo);
-		if (bo->flags & AMDGPU_GEM_CREATE_NO_CPU_ACCESS)
-			adev->invisible_pin_size -= amdgpu_bo_size(bo);
+		adev->invisible_pin_size -= amdgpu_vram_mgr_bo_invisible_size(bo);
 	} else if (bo->tbo.mem.mem_type == TTM_PL_TT) {
 		adev->gart_pin_size -= amdgpu_bo_size(bo);
 	}
 
-error:
+	for (i = 0; i < bo->placement.num_placement; i++) {
+		bo->placements[i].lpfn = 0;
+		bo->placements[i].flags &= ~TTM_PL_FLAG_NO_EVICT;
+	}
+	r = ttm_bo_validate(&bo->tbo, &bo->placement, &ctx);
+	if (unlikely(r))
+		dev_err(adev->dev, "%p validate failed for unpin\n", bo);
+
 	return r;
 }
 
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
index b455da487782..fc818b4d849c 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
@@ -1882,7 +1882,7 @@ void amdgpu_pm_compute_clocks(struct amdgpu_device *adev)
 		if (!amdgpu_device_has_dc_support(adev)) {
 			mutex_lock(&adev->pm.mutex);
 			amdgpu_dpm_get_active_displays(adev);
-			adev->pm.pm_display_cfg.num_display = adev->pm.dpm.new_active_crtcs;
+			adev->pm.pm_display_cfg.num_display = adev->pm.dpm.new_active_crtc_count;
 			adev->pm.pm_display_cfg.vrefresh = amdgpu_dpm_get_vrefresh(adev);
 			adev->pm.pm_display_cfg.min_vblank_time = amdgpu_dpm_get_vblank_time(adev);
 			/* we have issues with mclk switching with refresh rates over 120 hz on the non-DC code. */
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h
index e969c879d87e..e5da4654b630 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h
@@ -73,6 +73,7 @@ bool amdgpu_gtt_mgr_has_gart_addr(struct ttm_mem_reg *mem);
 uint64_t amdgpu_gtt_mgr_usage(struct ttm_mem_type_manager *man);
 int amdgpu_gtt_mgr_recover(struct ttm_mem_type_manager *man);
 
+u64 amdgpu_vram_mgr_bo_invisible_size(struct amdgpu_bo *bo);
 uint64_t amdgpu_vram_mgr_usage(struct ttm_mem_type_manager *man);
 uint64_t amdgpu_vram_mgr_vis_usage(struct ttm_mem_type_manager *man);
 
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
index bcf68f80bbf0..3ff08e326838 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
@@ -130,7 +130,7 @@ int amdgpu_uvd_sw_init(struct amdgpu_device *adev)
 	unsigned version_major, version_minor, family_id;
 	int i, j, r;
 
-	INIT_DELAYED_WORK(&adev->uvd.inst->idle_work, amdgpu_uvd_idle_work_handler);
+	INIT_DELAYED_WORK(&adev->uvd.idle_work, amdgpu_uvd_idle_work_handler);
 
 	switch (adev->asic_type) {
 #ifdef CONFIG_DRM_AMDGPU_CIK
@@ -314,12 +314,12 @@ int amdgpu_uvd_suspend(struct amdgpu_device *adev)
 	void *ptr;
 	int i, j;
 
+	cancel_delayed_work_sync(&adev->uvd.idle_work);
+
 	for (j = 0; j < adev->uvd.num_uvd_inst; ++j) {
 		if (adev->uvd.inst[j].vcpu_bo == NULL)
 			continue;
 
-		cancel_delayed_work_sync(&adev->uvd.inst[j].idle_work);
-
 		/* only valid for physical mode */
 		if (adev->asic_type < CHIP_POLARIS10) {
 			for (i = 0; i < adev->uvd.max_handles; ++i)
@@ -1145,7 +1145,7 @@ int amdgpu_uvd_get_destroy_msg(struct amdgpu_ring *ring, uint32_t handle,
 static void amdgpu_uvd_idle_work_handler(struct work_struct *work)
 {
 	struct amdgpu_device *adev =
-		container_of(work, struct amdgpu_device, uvd.inst->idle_work.work);
+		container_of(work, struct amdgpu_device, uvd.idle_work.work);
 	unsigned fences = 0, i, j;
 
 	for (i = 0; i < adev->uvd.num_uvd_inst; ++i) {
@@ -1167,7 +1167,7 @@ static void amdgpu_uvd_idle_work_handler(struct work_struct *work)
 							       AMD_CG_STATE_GATE);
 		}
 	} else {
-		schedule_delayed_work(&adev->uvd.inst->idle_work, UVD_IDLE_TIMEOUT);
+		schedule_delayed_work(&adev->uvd.idle_work, UVD_IDLE_TIMEOUT);
 	}
 }
 
@@ -1179,7 +1179,7 @@ void amdgpu_uvd_ring_begin_use(struct amdgpu_ring *ring)
 	if (amdgpu_sriov_vf(adev))
 		return;
 
-	set_clocks = !cancel_delayed_work_sync(&adev->uvd.inst->idle_work);
+	set_clocks = !cancel_delayed_work_sync(&adev->uvd.idle_work);
 	if (set_clocks) {
 		if (adev->pm.dpm_enabled) {
 			amdgpu_dpm_enable_uvd(adev, true);
@@ -1196,7 +1196,7 @@ void amdgpu_uvd_ring_begin_use(struct amdgpu_ring *ring)
 void amdgpu_uvd_ring_end_use(struct amdgpu_ring *ring)
 {
 	if (!amdgpu_sriov_vf(ring->adev))
-		schedule_delayed_work(&ring->adev->uvd.inst->idle_work, UVD_IDLE_TIMEOUT);
+		schedule_delayed_work(&ring->adev->uvd.idle_work, UVD_IDLE_TIMEOUT);
 }
 
 /**
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.h
index b1579fba134c..8b23a1b00c76 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.h
@@ -44,7 +44,6 @@ struct amdgpu_uvd_inst {
 	void			*saved_bo;
 	atomic_t		handles[AMDGPU_MAX_UVD_HANDLES];
 	struct drm_file		*filp[AMDGPU_MAX_UVD_HANDLES];
-	struct delayed_work	idle_work;
 	struct amdgpu_ring	ring;
 	struct amdgpu_ring	ring_enc[AMDGPU_MAX_UVD_ENC_RINGS];
 	struct amdgpu_irq_src	irq;
@@ -62,6 +61,7 @@ struct amdgpu_uvd {
 	bool			address_64_bit;
 	bool			use_ctx_buf;
 	struct amdgpu_uvd_inst		inst[AMDGPU_MAX_UVD_INSTANCES];
+	struct delayed_work	idle_work;
 };
 
 int amdgpu_uvd_sw_init(struct amdgpu_device *adev);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c
index 127e87b470ff..1b4ad9b2a755 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c
@@ -52,7 +52,7 @@ int amdgpu_vcn_sw_init(struct amdgpu_device *adev)
 	unsigned long bo_size;
 	const char *fw_name;
 	const struct common_firmware_header *hdr;
-	unsigned version_major, version_minor, family_id;
+	unsigned char fw_check;
 	int r;
 
 	INIT_DELAYED_WORK(&adev->vcn.idle_work, amdgpu_vcn_idle_work_handler);
@@ -83,12 +83,33 @@ int amdgpu_vcn_sw_init(struct amdgpu_device *adev)
 
 	hdr = (const struct common_firmware_header *)adev->vcn.fw->data;
 	adev->vcn.fw_version = le32_to_cpu(hdr->ucode_version);
-	family_id = le32_to_cpu(hdr->ucode_version) & 0xff;
-	version_major = (le32_to_cpu(hdr->ucode_version) >> 24) & 0xff;
-	version_minor = (le32_to_cpu(hdr->ucode_version) >> 8) & 0xff;
-	DRM_INFO("Found VCN firmware Version: %hu.%hu Family ID: %hu\n",
-		version_major, version_minor, family_id);
 
+	/* Bit 20-23, it is encode major and non-zero for new naming convention.
+	 * This field is part of version minor and DRM_DISABLED_FLAG in old naming
+	 * convention. Since the l:wq!atest version minor is 0x5B and DRM_DISABLED_FLAG
+	 * is zero in old naming convention, this field is always zero so far.
+	 * These four bits are used to tell which naming convention is present.
+	 */
+	fw_check = (le32_to_cpu(hdr->ucode_version) >> 20) & 0xf;
+	if (fw_check) {
+		unsigned int dec_ver, enc_major, enc_minor, vep, fw_rev;
+
+		fw_rev = le32_to_cpu(hdr->ucode_version) & 0xfff;
+		enc_minor = (le32_to_cpu(hdr->ucode_version) >> 12) & 0xff;
+		enc_major = fw_check;
+		dec_ver = (le32_to_cpu(hdr->ucode_version) >> 24) & 0xf;
+		vep = (le32_to_cpu(hdr->ucode_version) >> 28) & 0xf;
+		DRM_INFO("Found VCN firmware Version ENC: %hu.%hu DEC: %hu VEP: %hu Revision: %hu\n",
+			enc_major, enc_minor, dec_ver, vep, fw_rev);
+	} else {
+		unsigned int version_major, version_minor, family_id;
+
+		family_id = le32_to_cpu(hdr->ucode_version) & 0xff;
+		version_major = (le32_to_cpu(hdr->ucode_version) >> 24) & 0xff;
+		version_minor = (le32_to_cpu(hdr->ucode_version) >> 8) & 0xff;
+		DRM_INFO("Found VCN firmware Version: %hu.%hu Family ID: %hu\n",
+			version_major, version_minor, family_id);
+	}
 
 	bo_size = AMDGPU_GPU_PAGE_ALIGN(le32_to_cpu(hdr->ucode_size_bytes) + 8)
 		  +  AMDGPU_VCN_STACK_SIZE + AMDGPU_VCN_HEAP_SIZE
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
index b0eb2f537392..fdcb498f6d19 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -107,6 +107,9 @@ static void amdgpu_vm_bo_base_init(struct amdgpu_vm_bo_base *base,
 		return;
 	list_add_tail(&base->bo_list, &bo->va);
 
+	if (bo->tbo.type == ttm_bo_type_kernel)
+		list_move(&base->vm_status, &vm->relocated);
+
 	if (bo->tbo.resv != vm->root.base.bo->tbo.resv)
 		return;
 
@@ -468,7 +471,6 @@ static int amdgpu_vm_alloc_levels(struct amdgpu_device *adev,
 			pt->parent = amdgpu_bo_ref(parent->base.bo);
 
 			amdgpu_vm_bo_base_init(&entry->base, vm, pt);
-			list_move(&entry->base.vm_status, &vm->relocated);
 		}
 
 		if (level < AMDGPU_VM_PTB) {
@@ -1463,7 +1465,9 @@ static int amdgpu_vm_bo_split_mapping(struct amdgpu_device *adev,
 			uint64_t count;
 
 			max_entries = min(max_entries, 16ull * 1024ull);
-			for (count = 1; count < max_entries; ++count) {
+			for (count = 1;
+			     count < max_entries / (PAGE_SIZE / AMDGPU_GPU_PAGE_SIZE);
+			     ++count) {
 				uint64_t idx = pfn + count;
 
 				if (pages_addr[idx] !=
@@ -1476,7 +1480,7 @@ static int amdgpu_vm_bo_split_mapping(struct amdgpu_device *adev,
 				dma_addr = pages_addr;
 			} else {
 				addr = pages_addr[pfn];
-				max_entries = count;
+				max_entries = count * (PAGE_SIZE / AMDGPU_GPU_PAGE_SIZE);
 			}
 
 		} else if (flags & AMDGPU_PTE_VALID) {
@@ -1491,7 +1495,7 @@ static int amdgpu_vm_bo_split_mapping(struct amdgpu_device *adev,
 		if (r)
 			return r;
 
-		pfn += last - start + 1;
+		pfn += (last - start + 1) / (PAGE_SIZE / AMDGPU_GPU_PAGE_SIZE);
 		if (nodes && nodes->size == pfn) {
 			pfn = 0;
 			++nodes;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c
index 9aca653bec07..b6333f92ba45 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c
@@ -97,6 +97,38 @@ static u64 amdgpu_vram_mgr_vis_size(struct amdgpu_device *adev,
 }
 
 /**
+ * amdgpu_vram_mgr_bo_invisible_size - CPU invisible BO size
+ *
+ * @bo: &amdgpu_bo buffer object (must be in VRAM)
+ *
+ * Returns:
+ * How much of the given &amdgpu_bo buffer object lies in CPU invisible VRAM.
+ */
+u64 amdgpu_vram_mgr_bo_invisible_size(struct amdgpu_bo *bo)
+{
+	struct amdgpu_device *adev = amdgpu_ttm_adev(bo->tbo.bdev);
+	struct ttm_mem_reg *mem = &bo->tbo.mem;
+	struct drm_mm_node *nodes = mem->mm_node;
+	unsigned pages = mem->num_pages;
+	u64 usage = 0;
+
+	if (adev->gmc.visible_vram_size == adev->gmc.real_vram_size)
+		return 0;
+
+	if (mem->start >= adev->gmc.visible_vram_size >> PAGE_SHIFT)
+		return amdgpu_bo_size(bo);
+
+	while (nodes && pages) {
+		usage += nodes->size << PAGE_SHIFT;
+		usage -= amdgpu_vram_mgr_vis_size(adev, nodes);
+		pages -= nodes->size;
+		++nodes;
+	}
+
+	return usage;
+}
+
+/**
  * amdgpu_vram_mgr_new - allocate new ranges
  *
  * @man: TTM memory type manager
@@ -135,7 +167,8 @@ static int amdgpu_vram_mgr_new(struct ttm_mem_type_manager *man,
 		num_nodes = DIV_ROUND_UP(mem->num_pages, pages_per_node);
 	}
 
-	nodes = kcalloc(num_nodes, sizeof(*nodes), GFP_KERNEL);
+	nodes = kvmalloc_array(num_nodes, sizeof(*nodes),
+			       GFP_KERNEL | __GFP_ZERO);
 	if (!nodes)
 		return -ENOMEM;
 
@@ -190,7 +223,7 @@ error:
 		drm_mm_remove_node(&nodes[i]);
 	spin_unlock(&mgr->lock);
 
-	kfree(nodes);
+	kvfree(nodes);
 	return r == -ENOSPC ? 0 : r;
 }
 
@@ -229,7 +262,7 @@ static void amdgpu_vram_mgr_del(struct ttm_mem_type_manager *man,
 	atomic64_sub(usage, &mgr->usage);
 	atomic64_sub(vis_usage, &mgr->vis_usage);
 
-	kfree(mem->mm_node);
+	kvfree(mem->mm_node);
 	mem->mm_node = NULL;
 }
 
diff --git a/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c b/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c
index 0999c843f623..a71b97519cc0 100644
--- a/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c
@@ -900,7 +900,7 @@ static const struct amdgpu_ring_funcs vce_v3_0_ring_phys_funcs = {
 	.emit_frame_size =
 		4 + /* vce_v3_0_emit_pipeline_sync */
 		6, /* amdgpu_vce_ring_emit_fence x1 no user fence */
-	.emit_ib_size = 5, /* vce_v3_0_ring_emit_ib */
+	.emit_ib_size = 4, /* amdgpu_vce_ring_emit_ib */
 	.emit_ib = amdgpu_vce_ring_emit_ib,
 	.emit_fence = amdgpu_vce_ring_emit_fence,
 	.test_ring = amdgpu_vce_ring_test_ring,
@@ -924,7 +924,7 @@ static const struct amdgpu_ring_funcs vce_v3_0_ring_vm_funcs = {
 		6 + /* vce_v3_0_emit_vm_flush */
 		4 + /* vce_v3_0_emit_pipeline_sync */
 		6 + 6, /* amdgpu_vce_ring_emit_fence x2 vm fence */
-	.emit_ib_size = 4, /* amdgpu_vce_ring_emit_ib */
+	.emit_ib_size = 5, /* vce_v3_0_ring_emit_ib */
 	.emit_ib = vce_v3_0_ring_emit_ib,
 	.emit_vm_flush = vce_v3_0_emit_vm_flush,
 	.emit_pipeline_sync = vce_v3_0_emit_pipeline_sync,
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index f9add85157e7..770c6b24be0b 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -2175,6 +2175,46 @@ get_output_color_space(const struct dc_crtc_timing *dc_crtc_timing)
 	return color_space;
 }
 
+static void reduce_mode_colour_depth(struct dc_crtc_timing *timing_out)
+{
+	if (timing_out->display_color_depth <= COLOR_DEPTH_888)
+		return;
+
+	timing_out->display_color_depth--;
+}
+
+static void adjust_colour_depth_from_display_info(struct dc_crtc_timing *timing_out,
+						const struct drm_display_info *info)
+{
+	int normalized_clk;
+	if (timing_out->display_color_depth <= COLOR_DEPTH_888)
+		return;
+	do {
+		normalized_clk = timing_out->pix_clk_khz;
+		/* YCbCr 4:2:0 requires additional adjustment of 1/2 */
+		if (timing_out->pixel_encoding == PIXEL_ENCODING_YCBCR420)
+			normalized_clk /= 2;
+		/* Adjusting pix clock following on HDMI spec based on colour depth */
+		switch (timing_out->display_color_depth) {
+		case COLOR_DEPTH_101010:
+			normalized_clk = (normalized_clk * 30) / 24;
+			break;
+		case COLOR_DEPTH_121212:
+			normalized_clk = (normalized_clk * 36) / 24;
+			break;
+		case COLOR_DEPTH_161616:
+			normalized_clk = (normalized_clk * 48) / 24;
+			break;
+		default:
+			return;
+		}
+		if (normalized_clk <= info->max_tmds_clock)
+			return;
+		reduce_mode_colour_depth(timing_out);
+
+	} while (timing_out->display_color_depth > COLOR_DEPTH_888);
+
+}
 /*****************************************************************************/
 
 static void
@@ -2183,6 +2223,7 @@ fill_stream_properties_from_drm_display_mode(struct dc_stream_state *stream,
 					     const struct drm_connector *connector)
 {
 	struct dc_crtc_timing *timing_out = &stream->timing;
+	const struct drm_display_info *info = &connector->display_info;
 
 	memset(timing_out, 0, sizeof(struct dc_crtc_timing));
 
@@ -2191,8 +2232,10 @@ fill_stream_properties_from_drm_display_mode(struct dc_stream_state *stream,
 	timing_out->v_border_top = 0;
 	timing_out->v_border_bottom = 0;
 	/* TODO: un-hardcode */
-
-	if ((connector->display_info.color_formats & DRM_COLOR_FORMAT_YCRCB444)
+	if (drm_mode_is_420_only(info, mode_in)
+			&& stream->sink->sink_signal == SIGNAL_TYPE_HDMI_TYPE_A)
+		timing_out->pixel_encoding = PIXEL_ENCODING_YCBCR420;
+	else if ((connector->display_info.color_formats & DRM_COLOR_FORMAT_YCRCB444)
 			&& stream->sink->sink_signal == SIGNAL_TYPE_HDMI_TYPE_A)
 		timing_out->pixel_encoding = PIXEL_ENCODING_YCBCR444;
 	else
@@ -2228,6 +2271,8 @@ fill_stream_properties_from_drm_display_mode(struct dc_stream_state *stream,
 
 	stream->out_transfer_func->type = TF_TYPE_PREDEFINED;
 	stream->out_transfer_func->tf = TRANSFER_FUNCTION_SRGB;
+	if (stream->sink->sink_signal == SIGNAL_TYPE_HDMI_TYPE_A)
+		adjust_colour_depth_from_display_info(timing_out, info);
 }
 
 static void fill_audio_info(struct audio_info *audio_info,
@@ -3928,10 +3973,11 @@ static void amdgpu_dm_do_flip(struct drm_crtc *crtc,
 	if (acrtc->base.state->event)
 		prepare_flip_isr(acrtc);
 
+	spin_unlock_irqrestore(&crtc->dev->event_lock, flags);
+
 	surface_updates->surface = dc_stream_get_status(acrtc_state->stream)->plane_states[0];
 	surface_updates->flip_addr = &addr;
 
-
 	dc_commit_updates_for_stream(adev->dm.dc,
 					     surface_updates,
 					     1,
@@ -3944,9 +3990,6 @@ static void amdgpu_dm_do_flip(struct drm_crtc *crtc,
 			 __func__,
 			 addr.address.grph.addr.high_part,
 			 addr.address.grph.addr.low_part);
-
-
-	spin_unlock_irqrestore(&crtc->dev->event_lock, flags);
 }
 
 /*
@@ -4206,6 +4249,7 @@ static void amdgpu_dm_atomic_commit_tail(struct drm_atomic_state *state)
 	struct drm_connector *connector;
 	struct drm_connector_state *old_con_state, *new_con_state;
 	struct dm_crtc_state *dm_old_crtc_state, *dm_new_crtc_state;
+	int crtc_disable_count = 0;
 
 	drm_atomic_helper_update_legacy_modeset_state(dev, state);
 
@@ -4410,6 +4454,9 @@ static void amdgpu_dm_atomic_commit_tail(struct drm_atomic_state *state)
 		struct amdgpu_crtc *acrtc = to_amdgpu_crtc(crtc);
 		bool modeset_needed;
 
+		if (old_crtc_state->active && !new_crtc_state->active)
+			crtc_disable_count++;
+
 		dm_new_crtc_state = to_dm_crtc_state(new_crtc_state);
 		dm_old_crtc_state = to_dm_crtc_state(old_crtc_state);
 		modeset_needed = modeset_required(
@@ -4463,11 +4510,9 @@ static void amdgpu_dm_atomic_commit_tail(struct drm_atomic_state *state)
 	 * so we can put the GPU into runtime suspend if we're not driving any
 	 * displays anymore
 	 */
+	for (i = 0; i < crtc_disable_count; i++)
+		pm_runtime_put_autosuspend(dev->dev);
 	pm_runtime_mark_last_busy(dev->dev);
-	for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i) {
-		if (old_crtc_state->active && !new_crtc_state->active)
-			pm_runtime_put_autosuspend(dev->dev);
-	}
 }
 
 
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
index 4304d9e408b8..ace9ad578ca0 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
@@ -83,22 +83,21 @@ static ssize_t dm_dp_aux_transfer(struct drm_dp_aux *aux,
 	enum i2c_mot_mode mot = (msg->request & DP_AUX_I2C_MOT) ?
 		I2C_MOT_TRUE : I2C_MOT_FALSE;
 	enum ddc_result res;
-	uint32_t read_bytes = msg->size;
+	ssize_t read_bytes;
 
 	if (WARN_ON(msg->size > 16))
 		return -E2BIG;
 
 	switch (msg->request & ~DP_AUX_I2C_MOT) {
 	case DP_AUX_NATIVE_READ:
-		res = dal_ddc_service_read_dpcd_data(
+		read_bytes = dal_ddc_service_read_dpcd_data(
 				TO_DM_AUX(aux)->ddc_service,
 				false,
 				I2C_MOT_UNDEF,
 				msg->address,
 				msg->buffer,
-				msg->size,
-				&read_bytes);
-		break;
+				msg->size);
+		return read_bytes;
 	case DP_AUX_NATIVE_WRITE:
 		res = dal_ddc_service_write_dpcd_data(
 				TO_DM_AUX(aux)->ddc_service,
@@ -109,15 +108,14 @@ static ssize_t dm_dp_aux_transfer(struct drm_dp_aux *aux,
 				msg->size);
 		break;
 	case DP_AUX_I2C_READ:
-		res = dal_ddc_service_read_dpcd_data(
+		read_bytes = dal_ddc_service_read_dpcd_data(
 				TO_DM_AUX(aux)->ddc_service,
 				true,
 				mot,
 				msg->address,
 				msg->buffer,
-				msg->size,
-				&read_bytes);
-		break;
+				msg->size);
+		return read_bytes;
 	case DP_AUX_I2C_WRITE:
 		res = dal_ddc_service_write_dpcd_data(
 				TO_DM_AUX(aux)->ddc_service,
@@ -139,9 +137,7 @@ static ssize_t dm_dp_aux_transfer(struct drm_dp_aux *aux,
 		 r == DDC_RESULT_SUCESSFULL);
 #endif
 
-	if (res != DDC_RESULT_SUCESSFULL)
-		return -EIO;
-	return read_bytes;
+	return msg->size;
 }
 
 static enum drm_connector_status
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_services.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_services.c
index 5a3346124a01..5a2e952c5bea 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_services.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_services.c
@@ -255,8 +255,9 @@ static void pp_to_dc_clock_levels_with_latency(
 			DC_DECODE_PP_CLOCK_TYPE(dc_clk_type));
 
 	for (i = 0; i < clk_level_info->num_levels; i++) {
-		DRM_DEBUG("DM_PPLIB:\t %d\n", pp_clks->data[i].clocks_in_khz);
-		clk_level_info->data[i].clocks_in_khz = pp_clks->data[i].clocks_in_khz;
+		DRM_DEBUG("DM_PPLIB:\t %d in 10kHz\n", pp_clks->data[i].clocks_in_khz);
+		/* translate 10kHz to kHz */
+		clk_level_info->data[i].clocks_in_khz = pp_clks->data[i].clocks_in_khz * 10;
 		clk_level_info->data[i].latency_in_us = pp_clks->data[i].latency_in_us;
 	}
 }
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_ddc.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_ddc.c
index ae48d603ebd6..49c2face1e7a 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_link_ddc.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_ddc.c
@@ -629,14 +629,13 @@ bool dal_ddc_service_query_ddc_data(
 	return ret;
 }
 
-enum ddc_result dal_ddc_service_read_dpcd_data(
+ssize_t dal_ddc_service_read_dpcd_data(
 	struct ddc_service *ddc,
 	bool i2c,
 	enum i2c_mot_mode mot,
 	uint32_t address,
 	uint8_t *data,
-	uint32_t len,
-	uint32_t *read)
+	uint32_t len)
 {
 	struct aux_payload read_payload = {
 		.i2c_over_aux = i2c,
@@ -653,8 +652,6 @@ enum ddc_result dal_ddc_service_read_dpcd_data(
 		.mot = mot
 	};
 
-	*read = 0;
-
 	if (len > DEFAULT_AUX_MAX_DATA_SIZE) {
 		BREAK_TO_DEBUGGER();
 		return DDC_RESULT_FAILED_INVALID_OPERATION;
@@ -664,8 +661,7 @@ enum ddc_result dal_ddc_service_read_dpcd_data(
 		ddc->ctx->i2caux,
 		ddc->ddc_pin,
 		&command)) {
-		*read = command.payloads->length;
-		return DDC_RESULT_SUCESSFULL;
+		return (ssize_t)command.payloads->length;
 	}
 
 	return DDC_RESULT_FAILED_OPERATION;
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
index 7857cb42b3e6..bdd121485cbc 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
@@ -1767,12 +1767,10 @@ static void dp_test_send_link_training(struct dc_link *link)
 	dp_retrain_link_dp_test(link, &link_settings, false);
 }
 
-/* TODO hbr2 compliance eye output is unstable
+/* TODO Raven hbr2 compliance eye output is unstable
  * (toggling on and off) with debugger break
  * This caueses intermittent PHY automation failure
  * Need to look into the root cause */
-static uint8_t force_tps4_for_cp2520 = 1;
-
 static void dp_test_send_phy_test_pattern(struct dc_link *link)
 {
 	union phy_test_pattern dpcd_test_pattern;
@@ -1832,13 +1830,13 @@ static void dp_test_send_phy_test_pattern(struct dc_link *link)
 		break;
 	case PHY_TEST_PATTERN_CP2520_1:
 		/* CP2520 pattern is unstable, temporarily use TPS4 instead */
-		test_pattern = (force_tps4_for_cp2520 == 1) ?
+		test_pattern = (link->dc->caps.force_dp_tps4_for_cp2520 == 1) ?
 				DP_TEST_PATTERN_TRAINING_PATTERN4 :
 				DP_TEST_PATTERN_HBR2_COMPLIANCE_EYE;
 		break;
 	case PHY_TEST_PATTERN_CP2520_2:
 		/* CP2520 pattern is unstable, temporarily use TPS4 instead */
-		test_pattern = (force_tps4_for_cp2520 == 1) ?
+		test_pattern = (link->dc->caps.force_dp_tps4_for_cp2520 == 1) ?
 				DP_TEST_PATTERN_TRAINING_PATTERN4 :
 				DP_TEST_PATTERN_HBR2_COMPLIANCE_EYE;
 		break;
diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h
index 9cfde0ccf4e9..53c71296f3dd 100644
--- a/drivers/gpu/drm/amd/display/dc/dc.h
+++ b/drivers/gpu/drm/amd/display/dc/dc.h
@@ -76,6 +76,7 @@ struct dc_caps {
 	bool is_apu;
 	bool dual_link_dvi;
 	bool post_blend_color_processing;
+	bool force_dp_tps4_for_cp2520;
 };
 
 struct dc_dcc_surface_param {
diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_mem_input.c b/drivers/gpu/drm/amd/display/dc/dce/dce_mem_input.c
index b235a75355b8..bae752332a9f 100644
--- a/drivers/gpu/drm/amd/display/dc/dce/dce_mem_input.c
+++ b/drivers/gpu/drm/amd/display/dc/dce/dce_mem_input.c
@@ -741,6 +741,29 @@ static struct mem_input_funcs dce_mi_funcs = {
 	.mem_input_is_flip_pending = dce_mi_is_flip_pending
 };
 
+static struct mem_input_funcs dce112_mi_funcs = {
+	.mem_input_program_display_marks = dce112_mi_program_display_marks,
+	.allocate_mem_input = dce_mi_allocate_dmif,
+	.free_mem_input = dce_mi_free_dmif,
+	.mem_input_program_surface_flip_and_addr =
+			dce_mi_program_surface_flip_and_addr,
+	.mem_input_program_pte_vm = dce_mi_program_pte_vm,
+	.mem_input_program_surface_config =
+			dce_mi_program_surface_config,
+	.mem_input_is_flip_pending = dce_mi_is_flip_pending
+};
+
+static struct mem_input_funcs dce120_mi_funcs = {
+	.mem_input_program_display_marks = dce120_mi_program_display_marks,
+	.allocate_mem_input = dce_mi_allocate_dmif,
+	.free_mem_input = dce_mi_free_dmif,
+	.mem_input_program_surface_flip_and_addr =
+			dce_mi_program_surface_flip_and_addr,
+	.mem_input_program_pte_vm = dce_mi_program_pte_vm,
+	.mem_input_program_surface_config =
+			dce_mi_program_surface_config,
+	.mem_input_is_flip_pending = dce_mi_is_flip_pending
+};
 
 void dce_mem_input_construct(
 	struct dce_mem_input *dce_mi,
@@ -769,7 +792,7 @@ void dce112_mem_input_construct(
 	const struct dce_mem_input_mask *mi_mask)
 {
 	dce_mem_input_construct(dce_mi, ctx, inst, regs, mi_shift, mi_mask);
-	dce_mi->base.funcs->mem_input_program_display_marks = dce112_mi_program_display_marks;
+	dce_mi->base.funcs = &dce112_mi_funcs;
 }
 
 void dce120_mem_input_construct(
@@ -781,5 +804,5 @@ void dce120_mem_input_construct(
 	const struct dce_mem_input_mask *mi_mask)
 {
 	dce_mem_input_construct(dce_mi, ctx, inst, regs, mi_shift, mi_mask);
-	dce_mi->base.funcs->mem_input_program_display_marks = dce120_mi_program_display_marks;
+	dce_mi->base.funcs = &dce120_mi_funcs;
 }
diff --git a/drivers/gpu/drm/amd/display/dc/dce100/dce100_resource.c b/drivers/gpu/drm/amd/display/dc/dce100/dce100_resource.c
index 38ec0d609297..344dd2e69e7c 100644
--- a/drivers/gpu/drm/amd/display/dc/dce100/dce100_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dce100/dce100_resource.c
@@ -678,9 +678,22 @@ bool dce100_validate_bandwidth(
 	struct dc  *dc,
 	struct dc_state *context)
 {
-	/* TODO implement when needed but for now hardcode max value*/
-	context->bw.dce.dispclk_khz = 681000;
-	context->bw.dce.yclk_khz = 250000 * MEMORY_TYPE_MULTIPLIER;
+	int i;
+	bool at_least_one_pipe = false;
+
+	for (i = 0; i < dc->res_pool->pipe_count; i++) {
+		if (context->res_ctx.pipe_ctx[i].stream)
+			at_least_one_pipe = true;
+	}
+
+	if (at_least_one_pipe) {
+		/* TODO implement when needed but for now hardcode max value*/
+		context->bw.dce.dispclk_khz = 681000;
+		context->bw.dce.yclk_khz = 250000 * MEMORY_TYPE_MULTIPLIER;
+	} else {
+		context->bw.dce.dispclk_khz = 0;
+		context->bw.dce.yclk_khz = 0;
+	}
 
 	return true;
 }
diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c
index df5cb2d1d164..34dac84066a0 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c
@@ -1027,6 +1027,8 @@ static bool construct(
 	dc->caps.max_slave_planes = 1;
 	dc->caps.is_apu = true;
 	dc->caps.post_blend_color_processing = false;
+	/* Raven DP PHY HBR2 eye diagram pattern is not stable. Use TP4 */
+	dc->caps.force_dp_tps4_for_cp2520 = true;
 
 	if (dc->ctx->dce_environment == DCE_ENV_PRODUCTION_DRV)
 		dc->debug = debug_defaults_drv;
diff --git a/drivers/gpu/drm/amd/display/dc/inc/dc_link_ddc.h b/drivers/gpu/drm/amd/display/dc/inc/dc_link_ddc.h
index 30b3a08b91be..090b7a8dd67b 100644
--- a/drivers/gpu/drm/amd/display/dc/inc/dc_link_ddc.h
+++ b/drivers/gpu/drm/amd/display/dc/inc/dc_link_ddc.h
@@ -102,14 +102,13 @@ bool dal_ddc_service_query_ddc_data(
 		uint8_t *read_buf,
 		uint32_t read_size);
 
-enum ddc_result dal_ddc_service_read_dpcd_data(
+ssize_t dal_ddc_service_read_dpcd_data(
 		struct ddc_service *ddc,
 		bool i2c,
 		enum i2c_mot_mode mot,
 		uint32_t address,
 		uint8_t *data,
-		uint32_t len,
-		uint32_t *read);
+		uint32_t len);
 
 enum ddc_result dal_ddc_service_write_dpcd_data(
 		struct ddc_service *ddc,
diff --git a/drivers/gpu/drm/amd/include/atomfirmware.h b/drivers/gpu/drm/amd/include/atomfirmware.h
index 092d800b703a..33b4de4ad66e 100644
--- a/drivers/gpu/drm/amd/include/atomfirmware.h
+++ b/drivers/gpu/drm/amd/include/atomfirmware.h
@@ -1433,7 +1433,10 @@ struct atom_smc_dpm_info_v4_1
 	uint8_t  acggfxclkspreadpercent;
 	uint16_t acggfxclkspreadfreq;
 
-	uint32_t boardreserved[10];
+	uint8_t Vr2_I2C_address;
+	uint8_t padding_vr2[3];
+
+	uint32_t boardreserved[9];
 };
 
 /* 
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/ppatomfwctrl.c b/drivers/gpu/drm/amd/powerplay/hwmgr/ppatomfwctrl.c
index 5325661fedff..d27c1c9df286 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/ppatomfwctrl.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/ppatomfwctrl.c
@@ -512,14 +512,82 @@ int pp_atomfwctrl_get_clk_information_by_clkid(struct pp_hwmgr *hwmgr, BIOS_CLKI
 	return 0;
 }
 
+static void pp_atomfwctrl_copy_vbios_bootup_values_3_2(struct pp_hwmgr *hwmgr,
+			struct pp_atomfwctrl_bios_boot_up_values *boot_values,
+			struct atom_firmware_info_v3_2 *fw_info)
+{
+	uint32_t frequency = 0;
+
+	boot_values->ulRevision = fw_info->firmware_revision;
+	boot_values->ulGfxClk   = fw_info->bootup_sclk_in10khz;
+	boot_values->ulUClk     = fw_info->bootup_mclk_in10khz;
+	boot_values->usVddc     = fw_info->bootup_vddc_mv;
+	boot_values->usVddci    = fw_info->bootup_vddci_mv;
+	boot_values->usMvddc    = fw_info->bootup_mvddc_mv;
+	boot_values->usVddGfx   = fw_info->bootup_vddgfx_mv;
+	boot_values->ucCoolingID = fw_info->coolingsolution_id;
+	boot_values->ulSocClk   = 0;
+	boot_values->ulDCEFClk   = 0;
+
+	if (!pp_atomfwctrl_get_clk_information_by_clkid(hwmgr, SMU11_SYSPLL0_SOCCLK_ID, &frequency))
+		boot_values->ulSocClk   = frequency;
+
+	if (!pp_atomfwctrl_get_clk_information_by_clkid(hwmgr, SMU11_SYSPLL0_DCEFCLK_ID, &frequency))
+		boot_values->ulDCEFClk  = frequency;
+
+	if (!pp_atomfwctrl_get_clk_information_by_clkid(hwmgr, SMU11_SYSPLL0_ECLK_ID, &frequency))
+		boot_values->ulEClk     = frequency;
+
+	if (!pp_atomfwctrl_get_clk_information_by_clkid(hwmgr, SMU11_SYSPLL0_VCLK_ID, &frequency))
+		boot_values->ulVClk     = frequency;
+
+	if (!pp_atomfwctrl_get_clk_information_by_clkid(hwmgr, SMU11_SYSPLL0_DCLK_ID, &frequency))
+		boot_values->ulDClk     = frequency;
+}
+
+static void pp_atomfwctrl_copy_vbios_bootup_values_3_1(struct pp_hwmgr *hwmgr,
+			struct pp_atomfwctrl_bios_boot_up_values *boot_values,
+			struct atom_firmware_info_v3_1 *fw_info)
+{
+	uint32_t frequency = 0;
+
+	boot_values->ulRevision = fw_info->firmware_revision;
+	boot_values->ulGfxClk   = fw_info->bootup_sclk_in10khz;
+	boot_values->ulUClk     = fw_info->bootup_mclk_in10khz;
+	boot_values->usVddc     = fw_info->bootup_vddc_mv;
+	boot_values->usVddci    = fw_info->bootup_vddci_mv;
+	boot_values->usMvddc    = fw_info->bootup_mvddc_mv;
+	boot_values->usVddGfx   = fw_info->bootup_vddgfx_mv;
+	boot_values->ucCoolingID = fw_info->coolingsolution_id;
+	boot_values->ulSocClk   = 0;
+	boot_values->ulDCEFClk   = 0;
+
+	if (!pp_atomfwctrl_get_clk_information_by_clkid(hwmgr, SMU9_SYSPLL0_SOCCLK_ID, &frequency))
+		boot_values->ulSocClk   = frequency;
+
+	if (!pp_atomfwctrl_get_clk_information_by_clkid(hwmgr, SMU9_SYSPLL0_DCEFCLK_ID, &frequency))
+		boot_values->ulDCEFClk  = frequency;
+
+	if (!pp_atomfwctrl_get_clk_information_by_clkid(hwmgr, SMU9_SYSPLL0_ECLK_ID, &frequency))
+		boot_values->ulEClk     = frequency;
+
+	if (!pp_atomfwctrl_get_clk_information_by_clkid(hwmgr, SMU9_SYSPLL0_VCLK_ID, &frequency))
+		boot_values->ulVClk     = frequency;
+
+	if (!pp_atomfwctrl_get_clk_information_by_clkid(hwmgr, SMU9_SYSPLL0_DCLK_ID, &frequency))
+		boot_values->ulDClk     = frequency;
+}
+
 int pp_atomfwctrl_get_vbios_bootup_values(struct pp_hwmgr *hwmgr,
 			struct pp_atomfwctrl_bios_boot_up_values *boot_values)
 {
-	struct atom_firmware_info_v3_1 *info = NULL;
+	struct atom_firmware_info_v3_2 *fwinfo_3_2;
+	struct atom_firmware_info_v3_1 *fwinfo_3_1;
+	struct atom_common_table_header *info = NULL;
 	uint16_t ix;
 
 	ix = GetIndexIntoMasterDataTable(firmwareinfo);
-	info = (struct atom_firmware_info_v3_1 *)
+	info = (struct atom_common_table_header *)
 		smu_atom_get_data_table(hwmgr->adev,
 				ix, NULL, NULL, NULL);
 
@@ -528,16 +596,18 @@ int pp_atomfwctrl_get_vbios_bootup_values(struct pp_hwmgr *hwmgr,
 		return -EINVAL;
 	}
 
-	boot_values->ulRevision = info->firmware_revision;
-	boot_values->ulGfxClk   = info->bootup_sclk_in10khz;
-	boot_values->ulUClk     = info->bootup_mclk_in10khz;
-	boot_values->usVddc     = info->bootup_vddc_mv;
-	boot_values->usVddci    = info->bootup_vddci_mv;
-	boot_values->usMvddc    = info->bootup_mvddc_mv;
-	boot_values->usVddGfx   = info->bootup_vddgfx_mv;
-	boot_values->ucCoolingID = info->coolingsolution_id;
-	boot_values->ulSocClk   = 0;
-	boot_values->ulDCEFClk   = 0;
+	if ((info->format_revision == 3) && (info->content_revision == 2)) {
+		fwinfo_3_2 = (struct atom_firmware_info_v3_2 *)info;
+		pp_atomfwctrl_copy_vbios_bootup_values_3_2(hwmgr,
+				boot_values, fwinfo_3_2);
+	} else if ((info->format_revision == 3) && (info->content_revision == 1)) {
+		fwinfo_3_1 = (struct atom_firmware_info_v3_1 *)info;
+		pp_atomfwctrl_copy_vbios_bootup_values_3_1(hwmgr,
+				boot_values, fwinfo_3_1);
+	} else {
+		pr_info("Fw info table revision does not match!");
+		return -EINVAL;
+	}
 
 	return 0;
 }
@@ -629,5 +699,7 @@ int pp_atomfwctrl_get_smc_dpm_information(struct pp_hwmgr *hwmgr,
 	param->acggfxclkspreadpercent = info->acggfxclkspreadpercent;
 	param->acggfxclkspreadfreq = info->acggfxclkspreadfreq;
 
+	param->Vr2_I2C_address = info->Vr2_I2C_address;
+
 	return 0;
 }
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/ppatomfwctrl.h b/drivers/gpu/drm/amd/powerplay/hwmgr/ppatomfwctrl.h
index fe10aa4db5e6..22e21668c93a 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/ppatomfwctrl.h
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/ppatomfwctrl.h
@@ -136,6 +136,9 @@ struct pp_atomfwctrl_bios_boot_up_values {
 	uint32_t   ulUClk;
 	uint32_t   ulSocClk;
 	uint32_t   ulDCEFClk;
+	uint32_t   ulEClk;
+	uint32_t   ulVClk;
+	uint32_t   ulDClk;
 	uint16_t   usVddc;
 	uint16_t   usVddci;
 	uint16_t   usMvddc;
@@ -207,6 +210,8 @@ struct pp_atomfwctrl_smc_dpm_parameters
 	uint8_t  acggfxclkspreadenabled;
 	uint8_t  acggfxclkspreadpercent;
 	uint16_t acggfxclkspreadfreq;
+
+	uint8_t Vr2_I2C_address;
 };
 
 int pp_atomfwctrl_get_gpu_pll_dividers_vega10(struct pp_hwmgr *hwmgr,
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_powertune.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_powertune.c
index dbe4b1f66784..22364875a943 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_powertune.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_powertune.c
@@ -1090,7 +1090,7 @@ static int vega10_disable_se_edc_config(struct pp_hwmgr *hwmgr)
 static int vega10_enable_psm_gc_edc_config(struct pp_hwmgr *hwmgr)
 {
 	struct amdgpu_device *adev = hwmgr->adev;
-	int result;
+	int result = 0;
 	uint32_t num_se = 0;
 	uint32_t count, data;
 
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c
index 782e2098824d..c98e5de777cd 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c
@@ -81,6 +81,7 @@ static void vega12_set_default_registry_data(struct pp_hwmgr *hwmgr)
 
 	data->registry_data.disallowed_features = 0x0;
 	data->registry_data.od_state_in_dc_support = 0;
+	data->registry_data.thermal_support = 1;
 	data->registry_data.skip_baco_hardware = 0;
 
 	data->registry_data.log_avfs_param = 0;
@@ -803,6 +804,9 @@ static int vega12_init_smc_table(struct pp_hwmgr *hwmgr)
 		data->vbios_boot_state.soc_clock = boot_up_values.ulSocClk;
 		data->vbios_boot_state.dcef_clock = boot_up_values.ulDCEFClk;
 		data->vbios_boot_state.uc_cooling_id = boot_up_values.ucCoolingID;
+		data->vbios_boot_state.eclock = boot_up_values.ulEClk;
+		data->vbios_boot_state.dclock = boot_up_values.ulDClk;
+		data->vbios_boot_state.vclock = boot_up_values.ulVClk;
 		smum_send_msg_to_smc_with_parameter(hwmgr,
 				PPSMC_MSG_SetMinDeepSleepDcefclk,
 			(uint32_t)(data->vbios_boot_state.dcef_clock / 100));
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.h b/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.h
index e81ded1ec198..49b38df8c7f2 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.h
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.h
@@ -167,6 +167,9 @@ struct vega12_vbios_boot_state {
 	uint32_t    mem_clock;
 	uint32_t    soc_clock;
 	uint32_t    dcef_clock;
+	uint32_t    eclock;
+	uint32_t    dclock;
+	uint32_t    vclock;
 };
 
 #define DPMTABLE_OD_UPDATE_SCLK     0x00000001
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_processpptables.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_processpptables.c
index 888ddca902d8..29914700ee82 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_processpptables.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_processpptables.c
@@ -230,6 +230,8 @@ static int append_vbios_pptable(struct pp_hwmgr *hwmgr, PPTable_t *ppsmc_pptable
 		ppsmc_pptable->AcgThresholdFreqLow = 0xFFFF;
 	}
 
+	ppsmc_pptable->Vr2_I2C_address = smc_dpm_table.Vr2_I2C_address;
+
 	return 0;
 }
 
diff --git a/drivers/gpu/drm/amd/powerplay/inc/vega12/smu9_driver_if.h b/drivers/gpu/drm/amd/powerplay/inc/vega12/smu9_driver_if.h
index 2f8a3b983cce..b08526fd1619 100644
--- a/drivers/gpu/drm/amd/powerplay/inc/vega12/smu9_driver_if.h
+++ b/drivers/gpu/drm/amd/powerplay/inc/vega12/smu9_driver_if.h
@@ -499,7 +499,10 @@ typedef struct {
 	uint8_t      AcgGfxclkSpreadPercent;
 	uint16_t     AcgGfxclkSpreadFreq;
 
-	uint32_t     BoardReserved[10];
+  uint8_t      Vr2_I2C_address;
+  uint8_t      padding_vr2[3];
+
+  uint32_t     BoardReserved[9];
 
 
   uint32_t     MmHubPadding[7];
diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/smu7_smumgr.c b/drivers/gpu/drm/amd/powerplay/smumgr/smu7_smumgr.c
index d644a9bb9078..9f407c48d4f0 100644
--- a/drivers/gpu/drm/amd/powerplay/smumgr/smu7_smumgr.c
+++ b/drivers/gpu/drm/amd/powerplay/smumgr/smu7_smumgr.c
@@ -381,6 +381,7 @@ int smu7_request_smu_load_fw(struct pp_hwmgr *hwmgr)
 	uint32_t fw_to_load;
 	int result = 0;
 	struct SMU_DRAMData_TOC *toc;
+	uint32_t num_entries = 0;
 
 	if (!hwmgr->reload_fw) {
 		pr_info("skip reloading...\n");
@@ -422,41 +423,41 @@ int smu7_request_smu_load_fw(struct pp_hwmgr *hwmgr)
 	}
 
 	toc = (struct SMU_DRAMData_TOC *)smu_data->header;
-	toc->num_entries = 0;
 	toc->structure_version = 1;
 
 	PP_ASSERT_WITH_CODE(0 == smu7_populate_single_firmware_entry(hwmgr,
-				UCODE_ID_RLC_G, &toc->entry[toc->num_entries++]),
+				UCODE_ID_RLC_G, &toc->entry[num_entries++]),
 				"Failed to Get Firmware Entry.", return -EINVAL);
 	PP_ASSERT_WITH_CODE(0 == smu7_populate_single_firmware_entry(hwmgr,
-				UCODE_ID_CP_CE, &toc->entry[toc->num_entries++]),
+				UCODE_ID_CP_CE, &toc->entry[num_entries++]),
 				"Failed to Get Firmware Entry.", return -EINVAL);
 	PP_ASSERT_WITH_CODE(0 == smu7_populate_single_firmware_entry(hwmgr,
-				UCODE_ID_CP_PFP, &toc->entry[toc->num_entries++]),
+				UCODE_ID_CP_PFP, &toc->entry[num_entries++]),
 				"Failed to Get Firmware Entry.", return -EINVAL);
 	PP_ASSERT_WITH_CODE(0 == smu7_populate_single_firmware_entry(hwmgr,
-				UCODE_ID_CP_ME, &toc->entry[toc->num_entries++]),
+				UCODE_ID_CP_ME, &toc->entry[num_entries++]),
 				"Failed to Get Firmware Entry.", return -EINVAL);
 	PP_ASSERT_WITH_CODE(0 == smu7_populate_single_firmware_entry(hwmgr,
-				UCODE_ID_CP_MEC, &toc->entry[toc->num_entries++]),
+				UCODE_ID_CP_MEC, &toc->entry[num_entries++]),
 				"Failed to Get Firmware Entry.", return -EINVAL);
 	PP_ASSERT_WITH_CODE(0 == smu7_populate_single_firmware_entry(hwmgr,
-				UCODE_ID_CP_MEC_JT1, &toc->entry[toc->num_entries++]),
+				UCODE_ID_CP_MEC_JT1, &toc->entry[num_entries++]),
 				"Failed to Get Firmware Entry.", return -EINVAL);
 	PP_ASSERT_WITH_CODE(0 == smu7_populate_single_firmware_entry(hwmgr,
-				UCODE_ID_CP_MEC_JT2, &toc->entry[toc->num_entries++]),
+				UCODE_ID_CP_MEC_JT2, &toc->entry[num_entries++]),
 				"Failed to Get Firmware Entry.", return -EINVAL);
 	PP_ASSERT_WITH_CODE(0 == smu7_populate_single_firmware_entry(hwmgr,
-				UCODE_ID_SDMA0, &toc->entry[toc->num_entries++]),
+				UCODE_ID_SDMA0, &toc->entry[num_entries++]),
 				"Failed to Get Firmware Entry.", return -EINVAL);
 	PP_ASSERT_WITH_CODE(0 == smu7_populate_single_firmware_entry(hwmgr,
-				UCODE_ID_SDMA1, &toc->entry[toc->num_entries++]),
+				UCODE_ID_SDMA1, &toc->entry[num_entries++]),
 				"Failed to Get Firmware Entry.", return -EINVAL);
 	if (!hwmgr->not_vf)
 		PP_ASSERT_WITH_CODE(0 == smu7_populate_single_firmware_entry(hwmgr,
-				UCODE_ID_MEC_STORAGE, &toc->entry[toc->num_entries++]),
+				UCODE_ID_MEC_STORAGE, &toc->entry[num_entries++]),
 				"Failed to Get Firmware Entry.", return -EINVAL);
 
+	toc->num_entries = num_entries;
 	smu7_send_msg_to_smc_with_parameter(hwmgr, PPSMC_MSG_DRV_DRAM_ADDR_HI, upper_32_bits(smu_data->header_buffer.mc_addr));
 	smu7_send_msg_to_smc_with_parameter(hwmgr, PPSMC_MSG_DRV_DRAM_ADDR_LO, lower_32_bits(smu_data->header_buffer.mc_addr));
 
diff --git a/drivers/gpu/drm/arm/malidp_drv.c b/drivers/gpu/drm/arm/malidp_drv.c
index 8d20faa198cf..0a788d76ed5f 100644
--- a/drivers/gpu/drm/arm/malidp_drv.c
+++ b/drivers/gpu/drm/arm/malidp_drv.c
@@ -278,7 +278,6 @@ static int malidp_init(struct drm_device *drm)
 
 static void malidp_fini(struct drm_device *drm)
 {
-	drm_atomic_helper_shutdown(drm);
 	drm_mode_config_cleanup(drm);
 }
 
@@ -646,6 +645,7 @@ vblank_fail:
 	malidp_de_irq_fini(drm);
 	drm->irq_enabled = false;
 irq_init_fail:
+	drm_atomic_helper_shutdown(drm);
 	component_unbind_all(dev, drm);
 bind_fail:
 	of_node_put(malidp->crtc.port);
@@ -681,6 +681,7 @@ static void malidp_unbind(struct device *dev)
 	malidp_se_irq_fini(drm);
 	malidp_de_irq_fini(drm);
 	drm->irq_enabled = false;
+	drm_atomic_helper_shutdown(drm);
 	component_unbind_all(dev, drm);
 	of_node_put(malidp->crtc.port);
 	malidp->crtc.port = NULL;
diff --git a/drivers/gpu/drm/arm/malidp_hw.c b/drivers/gpu/drm/arm/malidp_hw.c
index d789b46dc817..069783e715f1 100644
--- a/drivers/gpu/drm/arm/malidp_hw.c
+++ b/drivers/gpu/drm/arm/malidp_hw.c
@@ -634,7 +634,8 @@ const struct malidp_hw malidp_device[MALIDP_MAX_DEVICES] = {
 				.vsync_irq = MALIDP500_DE_IRQ_VSYNC,
 			},
 			.se_irq_map = {
-				.irq_mask = MALIDP500_SE_IRQ_CONF_MODE,
+				.irq_mask = MALIDP500_SE_IRQ_CONF_MODE |
+					    MALIDP500_SE_IRQ_GLOBAL,
 				.vsync_irq = 0,
 			},
 			.dc_irq_map = {
diff --git a/drivers/gpu/drm/arm/malidp_planes.c b/drivers/gpu/drm/arm/malidp_planes.c
index 7a44897c50fe..29409a65d864 100644
--- a/drivers/gpu/drm/arm/malidp_planes.c
+++ b/drivers/gpu/drm/arm/malidp_planes.c
@@ -23,6 +23,7 @@
 
 /* Layer specific register offsets */
 #define MALIDP_LAYER_FORMAT		0x000
+#define   LAYER_FORMAT_MASK		0x3f
 #define MALIDP_LAYER_CONTROL		0x004
 #define   LAYER_ENABLE			(1 << 0)
 #define   LAYER_FLOWCFG_MASK		7
@@ -235,8 +236,8 @@ static int malidp_de_plane_check(struct drm_plane *plane,
 	if (state->rotation & MALIDP_ROTATED_MASK) {
 		int val;
 
-		val = mp->hwdev->hw->rotmem_required(mp->hwdev, state->crtc_h,
-						     state->crtc_w,
+		val = mp->hwdev->hw->rotmem_required(mp->hwdev, state->crtc_w,
+						     state->crtc_h,
 						     fb->format->format);
 		if (val < 0)
 			return val;
@@ -337,7 +338,9 @@ static void malidp_de_plane_update(struct drm_plane *plane,
 	dest_w = plane->state->crtc_w;
 	dest_h = plane->state->crtc_h;
 
-	malidp_hw_write(mp->hwdev, ms->format, mp->layer->base);
+	val = malidp_hw_read(mp->hwdev, mp->layer->base);
+	val = (val & ~LAYER_FORMAT_MASK) | ms->format;
+	malidp_hw_write(mp->hwdev, val, mp->layer->base);
 
 	for (i = 0; i < ms->n_planes; i++) {
 		/* calculate the offset for the layer's plane registers */
diff --git a/drivers/gpu/drm/armada/armada_crtc.c b/drivers/gpu/drm/armada/armada_crtc.c
index 03eeee11dd5b..42a40daff132 100644
--- a/drivers/gpu/drm/armada/armada_crtc.c
+++ b/drivers/gpu/drm/armada/armada_crtc.c
@@ -519,8 +519,9 @@ static irqreturn_t armada_drm_irq(int irq, void *arg)
 	u32 v, stat = readl_relaxed(dcrtc->base + LCD_SPU_IRQ_ISR);
 
 	/*
-	 * This is rediculous - rather than writing bits to clear, we
-	 * have to set the actual status register value.  This is racy.
+	 * Reading the ISR appears to clear bits provided CLEAN_SPU_IRQ_ISR
+	 * is set.  Writing has some other effect to acknowledge the IRQ -
+	 * without this, we only get a single IRQ.
 	 */
 	writel_relaxed(0, dcrtc->base + LCD_SPU_IRQ_ISR);
 
@@ -1116,16 +1117,22 @@ armada_drm_crtc_set_property(struct drm_crtc *crtc,
 static int armada_drm_crtc_enable_vblank(struct drm_crtc *crtc)
 {
 	struct armada_crtc *dcrtc = drm_to_armada_crtc(crtc);
+	unsigned long flags;
 
+	spin_lock_irqsave(&dcrtc->irq_lock, flags);
 	armada_drm_crtc_enable_irq(dcrtc, VSYNC_IRQ_ENA);
+	spin_unlock_irqrestore(&dcrtc->irq_lock, flags);
 	return 0;
 }
 
 static void armada_drm_crtc_disable_vblank(struct drm_crtc *crtc)
 {
 	struct armada_crtc *dcrtc = drm_to_armada_crtc(crtc);
+	unsigned long flags;
 
+	spin_lock_irqsave(&dcrtc->irq_lock, flags);
 	armada_drm_crtc_disable_irq(dcrtc, VSYNC_IRQ_ENA);
+	spin_unlock_irqrestore(&dcrtc->irq_lock, flags);
 }
 
 static const struct drm_crtc_funcs armada_crtc_funcs = {
@@ -1415,6 +1422,7 @@ static int armada_drm_crtc_create(struct drm_device *drm, struct device *dev,
 		       CFG_PDWN64x66, dcrtc->base + LCD_SPU_SRAM_PARA1);
 	writel_relaxed(0x2032ff81, dcrtc->base + LCD_SPU_DMA_CTRL1);
 	writel_relaxed(dcrtc->irq_ena, dcrtc->base + LCD_SPU_IRQ_ENA);
+	readl_relaxed(dcrtc->base + LCD_SPU_IRQ_ISR);
 	writel_relaxed(0, dcrtc->base + LCD_SPU_IRQ_ISR);
 
 	ret = devm_request_irq(dev, irq, armada_drm_irq, 0, "armada_drm_crtc",
diff --git a/drivers/gpu/drm/armada/armada_hw.h b/drivers/gpu/drm/armada/armada_hw.h
index 27319a8335e2..345dc4d0851e 100644
--- a/drivers/gpu/drm/armada/armada_hw.h
+++ b/drivers/gpu/drm/armada/armada_hw.h
@@ -160,6 +160,7 @@ enum {
 	CFG_ALPHAM_GRA		= 0x1 << 16,
 	CFG_ALPHAM_CFG		= 0x2 << 16,
 	CFG_ALPHA_MASK		= 0xff << 8,
+#define CFG_ALPHA(x)		((x) << 8)
 	CFG_PIXCMD_MASK		= 0xff,
 };
 
diff --git a/drivers/gpu/drm/armada/armada_overlay.c b/drivers/gpu/drm/armada/armada_overlay.c
index c391955009d6..afa7ded3ae31 100644
--- a/drivers/gpu/drm/armada/armada_overlay.c
+++ b/drivers/gpu/drm/armada/armada_overlay.c
@@ -28,6 +28,7 @@ struct armada_ovl_plane_properties {
 	uint16_t contrast;
 	uint16_t saturation;
 	uint32_t colorkey_mode;
+	uint32_t colorkey_enable;
 };
 
 struct armada_ovl_plane {
@@ -54,11 +55,13 @@ armada_ovl_update_attr(struct armada_ovl_plane_properties *prop,
 	writel_relaxed(0x00002000, dcrtc->base + LCD_SPU_CBSH_HUE);
 
 	spin_lock_irq(&dcrtc->irq_lock);
-	armada_updatel(prop->colorkey_mode | CFG_ALPHAM_GRA,
-		     CFG_CKMODE_MASK | CFG_ALPHAM_MASK | CFG_ALPHA_MASK,
-		     dcrtc->base + LCD_SPU_DMA_CTRL1);
-
-	armada_updatel(ADV_GRACOLORKEY, 0, dcrtc->base + LCD_SPU_ADV_REG);
+	armada_updatel(prop->colorkey_mode,
+		       CFG_CKMODE_MASK | CFG_ALPHAM_MASK | CFG_ALPHA_MASK,
+		       dcrtc->base + LCD_SPU_DMA_CTRL1);
+	if (dcrtc->variant->has_spu_adv_reg)
+		armada_updatel(prop->colorkey_enable,
+			       ADV_GRACOLORKEY | ADV_VIDCOLORKEY,
+			       dcrtc->base + LCD_SPU_ADV_REG);
 	spin_unlock_irq(&dcrtc->irq_lock);
 }
 
@@ -321,8 +324,17 @@ static int armada_ovl_plane_set_property(struct drm_plane *plane,
 		dplane->prop.colorkey_vb |= K2B(val);
 		update_attr = true;
 	} else if (property == priv->colorkey_mode_prop) {
-		dplane->prop.colorkey_mode &= ~CFG_CKMODE_MASK;
-		dplane->prop.colorkey_mode |= CFG_CKMODE(val);
+		if (val == CKMODE_DISABLE) {
+			dplane->prop.colorkey_mode =
+				CFG_CKMODE(CKMODE_DISABLE) |
+				CFG_ALPHAM_CFG | CFG_ALPHA(255);
+			dplane->prop.colorkey_enable = 0;
+		} else {
+			dplane->prop.colorkey_mode =
+				CFG_CKMODE(val) |
+				CFG_ALPHAM_GRA | CFG_ALPHA(0);
+			dplane->prop.colorkey_enable = ADV_GRACOLORKEY;
+		}
 		update_attr = true;
 	} else if (property == priv->brightness_prop) {
 		dplane->prop.brightness = val - 256;
@@ -453,7 +465,9 @@ int armada_overlay_plane_create(struct drm_device *dev, unsigned long crtcs)
 	dplane->prop.colorkey_yr = 0xfefefe00;
 	dplane->prop.colorkey_ug = 0x01010100;
 	dplane->prop.colorkey_vb = 0x01010100;
-	dplane->prop.colorkey_mode = CFG_CKMODE(CKMODE_RGB);
+	dplane->prop.colorkey_mode = CFG_CKMODE(CKMODE_RGB) |
+				     CFG_ALPHAM_GRA | CFG_ALPHA(0);
+	dplane->prop.colorkey_enable = ADV_GRACOLORKEY;
 	dplane->prop.brightness = 0;
 	dplane->prop.contrast = 0x4000;
 	dplane->prop.saturation = 0x4000;
diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c
index 73c875db45f4..47e0992f3908 100644
--- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c
+++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c
@@ -839,7 +839,7 @@ static int atmel_hlcdc_plane_init_properties(struct atmel_hlcdc_plane *plane)
 			return ret;
 	}
 
-	if (desc->layout.xstride && desc->layout.pstride) {
+	if (desc->layout.xstride[0] && desc->layout.pstride[0]) {
 		int ret;
 
 		ret = drm_plane_create_rotation_property(&plane->base,
diff --git a/drivers/gpu/drm/bridge/sil-sii8620.c b/drivers/gpu/drm/bridge/sil-sii8620.c
index 7ab36042a822..a6e8f4591e63 100644
--- a/drivers/gpu/drm/bridge/sil-sii8620.c
+++ b/drivers/gpu/drm/bridge/sil-sii8620.c
@@ -14,6 +14,7 @@
 #include <drm/bridge/mhl.h>
 #include <drm/drm_crtc.h>
 #include <drm/drm_edid.h>
+#include <drm/drm_encoder.h>
 
 #include <linux/clk.h>
 #include <linux/delay.h>
@@ -36,8 +37,11 @@
 
 #define SII8620_BURST_BUF_LEN 288
 #define VAL_RX_HDMI_CTRL2_DEFVAL VAL_RX_HDMI_CTRL2_IDLE_CNT(3)
-#define MHL1_MAX_LCLK 225000
-#define MHL3_MAX_LCLK 600000
+
+#define MHL1_MAX_PCLK 75000
+#define MHL1_MAX_PCLK_PP_MODE 150000
+#define MHL3_MAX_PCLK 200000
+#define MHL3_MAX_PCLK_PP_MODE 300000
 
 enum sii8620_mode {
 	CM_DISCONNECTED,
@@ -69,9 +73,7 @@ struct sii8620 {
 	struct regulator_bulk_data supplies[2];
 	struct mutex lock; /* context lock, protects fields below */
 	int error;
-	int pixel_clock;
 	unsigned int use_packed_pixel:1;
-	int video_code;
 	enum sii8620_mode mode;
 	enum sii8620_sink_type sink_type;
 	u8 cbus_status;
@@ -79,7 +81,9 @@ struct sii8620 {
 	u8 xstat[MHL_XDS_SIZE];
 	u8 devcap[MHL_DCAP_SIZE];
 	u8 xdevcap[MHL_XDC_SIZE];
-	u8 avif[HDMI_INFOFRAME_SIZE(AVI)];
+	bool feature_complete;
+	bool devcap_read;
+	bool sink_detected;
 	struct edid *edid;
 	unsigned int gen2_write_burst:1;
 	enum sii8620_mt_state mt_state;
@@ -476,7 +480,7 @@ static void sii8620_update_array(u8 *dst, u8 *src, int count)
 	}
 }
 
-static void sii8620_sink_detected(struct sii8620 *ctx, int ret)
+static void sii8620_identify_sink(struct sii8620 *ctx)
 {
 	static const char * const sink_str[] = {
 		[SINK_NONE] = "NONE",
@@ -487,7 +491,7 @@ static void sii8620_sink_detected(struct sii8620 *ctx, int ret)
 	char sink_name[20];
 	struct device *dev = ctx->dev;
 
-	if (ret < 0)
+	if (!ctx->sink_detected || !ctx->devcap_read)
 		return;
 
 	sii8620_fetch_edid(ctx);
@@ -496,6 +500,7 @@ static void sii8620_sink_detected(struct sii8620 *ctx, int ret)
 		sii8620_mhl_disconnected(ctx);
 		return;
 	}
+	sii8620_set_upstream_edid(ctx);
 
 	if (drm_detect_hdmi_monitor(ctx->edid))
 		ctx->sink_type = SINK_HDMI;
@@ -508,53 +513,6 @@ static void sii8620_sink_detected(struct sii8620 *ctx, int ret)
 		 sink_str[ctx->sink_type], sink_name);
 }
 
-static void sii8620_hsic_init(struct sii8620 *ctx)
-{
-	if (!sii8620_is_mhl3(ctx))
-		return;
-
-	sii8620_write(ctx, REG_FCGC,
-		BIT_FCGC_HSIC_HOSTMODE | BIT_FCGC_HSIC_ENABLE);
-	sii8620_setbits(ctx, REG_HRXCTRL3,
-		BIT_HRXCTRL3_HRX_STAY_RESET | BIT_HRXCTRL3_STATUS_EN, ~0);
-	sii8620_setbits(ctx, REG_TTXNUMB, MSK_TTXNUMB_TTX_NUMBPS, 4);
-	sii8620_setbits(ctx, REG_TRXCTRL, BIT_TRXCTRL_TRX_FROM_SE_COC, ~0);
-	sii8620_setbits(ctx, REG_HTXCTRL, BIT_HTXCTRL_HTX_DRVCONN1, 0);
-	sii8620_setbits(ctx, REG_KEEPER, MSK_KEEPER_MODE, VAL_KEEPER_MODE_HOST);
-	sii8620_write_seq_static(ctx,
-		REG_TDMLLCTL, 0,
-		REG_UTSRST, BIT_UTSRST_HRX_SRST | BIT_UTSRST_HTX_SRST |
-			BIT_UTSRST_KEEPER_SRST | BIT_UTSRST_FC_SRST,
-		REG_UTSRST, BIT_UTSRST_HRX_SRST | BIT_UTSRST_HTX_SRST,
-		REG_HRXINTL, 0xff,
-		REG_HRXINTH, 0xff,
-		REG_TTXINTL, 0xff,
-		REG_TTXINTH, 0xff,
-		REG_TRXINTL, 0xff,
-		REG_TRXINTH, 0xff,
-		REG_HTXINTL, 0xff,
-		REG_HTXINTH, 0xff,
-		REG_FCINTR0, 0xff,
-		REG_FCINTR1, 0xff,
-		REG_FCINTR2, 0xff,
-		REG_FCINTR3, 0xff,
-		REG_FCINTR4, 0xff,
-		REG_FCINTR5, 0xff,
-		REG_FCINTR6, 0xff,
-		REG_FCINTR7, 0xff
-	);
-}
-
-static void sii8620_edid_read(struct sii8620 *ctx, int ret)
-{
-	if (ret < 0)
-		return;
-
-	sii8620_set_upstream_edid(ctx);
-	sii8620_hsic_init(ctx);
-	sii8620_enable_hpd(ctx);
-}
-
 static void sii8620_mr_devcap(struct sii8620 *ctx)
 {
 	u8 dcap[MHL_DCAP_SIZE];
@@ -570,6 +528,8 @@ static void sii8620_mr_devcap(struct sii8620 *ctx)
 		 dcap[MHL_DCAP_ADOPTER_ID_H], dcap[MHL_DCAP_ADOPTER_ID_L],
 		 dcap[MHL_DCAP_DEVICE_ID_H], dcap[MHL_DCAP_DEVICE_ID_L]);
 	sii8620_update_array(ctx->devcap, dcap, MHL_DCAP_SIZE);
+	ctx->devcap_read = true;
+	sii8620_identify_sink(ctx);
 }
 
 static void sii8620_mr_xdevcap(struct sii8620 *ctx)
@@ -807,6 +767,7 @@ static void sii8620_burst_rx_all(struct sii8620 *ctx)
 static void sii8620_fetch_edid(struct sii8620 *ctx)
 {
 	u8 lm_ddc, ddc_cmd, int3, cbus;
+	unsigned long timeout;
 	int fetched, i;
 	int edid_len = EDID_LENGTH;
 	u8 *edid;
@@ -856,23 +817,31 @@ static void sii8620_fetch_edid(struct sii8620 *ctx)
 			REG_DDC_CMD, ddc_cmd | VAL_DDC_CMD_ENH_DDC_READ_NO_ACK
 		);
 
-		do {
-			int3 = sii8620_readb(ctx, REG_INTR3);
+		int3 = 0;
+		timeout = jiffies + msecs_to_jiffies(200);
+		for (;;) {
 			cbus = sii8620_readb(ctx, REG_CBUS_STATUS);
-
-			if (int3 & BIT_DDC_CMD_DONE)
-				break;
-
-			if (!(cbus & BIT_CBUS_STATUS_CBUS_CONNECTED)) {
+			if (~cbus & BIT_CBUS_STATUS_CBUS_CONNECTED) {
+				kfree(edid);
+				edid = NULL;
+				goto end;
+			}
+			if (int3 & BIT_DDC_CMD_DONE) {
+				if (sii8620_readb(ctx, REG_DDC_DOUT_CNT)
+				    >= FETCH_SIZE)
+					break;
+			} else {
+				int3 = sii8620_readb(ctx, REG_INTR3);
+			}
+			if (time_is_before_jiffies(timeout)) {
+				ctx->error = -ETIMEDOUT;
+				dev_err(ctx->dev, "timeout during EDID read\n");
 				kfree(edid);
 				edid = NULL;
 				goto end;
 			}
-		} while (1);
-
-		sii8620_readb(ctx, REG_DDC_STATUS);
-		while (sii8620_readb(ctx, REG_DDC_DOUT_CNT) < FETCH_SIZE)
 			usleep_range(10, 20);
+		}
 
 		sii8620_read_buf(ctx, REG_DDC_DATA, edid + fetched, FETCH_SIZE);
 		if (fetched + FETCH_SIZE == EDID_LENGTH) {
@@ -971,8 +940,17 @@ static int sii8620_hw_on(struct sii8620 *ctx)
 	ret = regulator_bulk_enable(ARRAY_SIZE(ctx->supplies), ctx->supplies);
 	if (ret)
 		return ret;
+
 	usleep_range(10000, 20000);
-	return clk_prepare_enable(ctx->clk_xtal);
+	ret = clk_prepare_enable(ctx->clk_xtal);
+	if (ret)
+		return ret;
+
+	msleep(100);
+	gpiod_set_value(ctx->gpio_reset, 0);
+	msleep(100);
+
+	return 0;
 }
 
 static int sii8620_hw_off(struct sii8620 *ctx)
@@ -982,17 +960,6 @@ static int sii8620_hw_off(struct sii8620 *ctx)
 	return regulator_bulk_disable(ARRAY_SIZE(ctx->supplies), ctx->supplies);
 }
 
-static void sii8620_hw_reset(struct sii8620 *ctx)
-{
-	usleep_range(10000, 20000);
-	gpiod_set_value(ctx->gpio_reset, 0);
-	usleep_range(5000, 20000);
-	gpiod_set_value(ctx->gpio_reset, 1);
-	usleep_range(10000, 20000);
-	gpiod_set_value(ctx->gpio_reset, 0);
-	msleep(300);
-}
-
 static void sii8620_cbus_reset(struct sii8620 *ctx)
 {
 	sii8620_write(ctx, REG_PWD_SRST, BIT_PWD_SRST_CBUS_RST
@@ -1055,23 +1022,23 @@ static void sii8620_set_format(struct sii8620 *ctx)
 				BIT_M3_P0CTRL_MHL3_P0_PIXEL_MODE_PACKED,
 				ctx->use_packed_pixel ? ~0 : 0);
 	} else {
-		if (ctx->use_packed_pixel)
+		if (ctx->use_packed_pixel) {
 			sii8620_write_seq_static(ctx,
 				REG_VID_MODE, BIT_VID_MODE_M1080P,
 				REG_MHL_TOP_CTL, BIT_MHL_TOP_CTL_MHL_PP_SEL | 1,
 				REG_MHLTX_CTL6, 0x60
 			);
-		else
+		} else {
 			sii8620_write_seq_static(ctx,
 				REG_VID_MODE, 0,
 				REG_MHL_TOP_CTL, 1,
 				REG_MHLTX_CTL6, 0xa0
 			);
+		}
 	}
 
 	if (ctx->use_packed_pixel)
-		out_fmt = VAL_TPI_FORMAT(YCBCR422, FULL) |
-			BIT_TPI_OUTPUT_CSCMODE709;
+		out_fmt = VAL_TPI_FORMAT(YCBCR422, FULL);
 	else
 		out_fmt = VAL_TPI_FORMAT(RGB, FULL);
 
@@ -1128,18 +1095,28 @@ static ssize_t mhl3_infoframe_pack(struct mhl3_infoframe *frame,
 	return frm_len;
 }
 
-static void sii8620_set_infoframes(struct sii8620 *ctx)
+static void sii8620_set_infoframes(struct sii8620 *ctx,
+				   struct drm_display_mode *mode)
 {
 	struct mhl3_infoframe mhl_frm;
 	union hdmi_infoframe frm;
 	u8 buf[31];
 	int ret;
 
+	ret = drm_hdmi_avi_infoframe_from_display_mode(&frm.avi,
+						       mode,
+						       true);
+	if (ctx->use_packed_pixel)
+		frm.avi.colorspace = HDMI_COLORSPACE_YUV422;
+
+	if (!ret)
+		ret = hdmi_avi_infoframe_pack(&frm.avi, buf, ARRAY_SIZE(buf));
+	if (ret > 0)
+		sii8620_write_buf(ctx, REG_TPI_AVI_CHSUM, buf + 3, ret - 3);
+
 	if (!sii8620_is_mhl3(ctx) || !ctx->use_packed_pixel) {
 		sii8620_write(ctx, REG_TPI_SC,
 			BIT_TPI_SC_TPI_OUTPUT_MODE_0_HDMI);
-		sii8620_write_buf(ctx, REG_TPI_AVI_CHSUM, ctx->avif + 3,
-			ARRAY_SIZE(ctx->avif) - 3);
 		sii8620_write(ctx, REG_PKT_FILTER_0,
 			BIT_PKT_FILTER_0_DROP_CEA_GAMUT_PKT |
 			BIT_PKT_FILTER_0_DROP_MPEG_PKT |
@@ -1148,16 +1125,6 @@ static void sii8620_set_infoframes(struct sii8620 *ctx)
 		return;
 	}
 
-	ret = hdmi_avi_infoframe_init(&frm.avi);
-	frm.avi.colorspace = HDMI_COLORSPACE_YUV422;
-	frm.avi.active_aspect = HDMI_ACTIVE_ASPECT_PICTURE;
-	frm.avi.picture_aspect = HDMI_PICTURE_ASPECT_16_9;
-	frm.avi.colorimetry = HDMI_COLORIMETRY_ITU_709;
-	frm.avi.video_code = ctx->video_code;
-	if (!ret)
-		ret = hdmi_avi_infoframe_pack(&frm.avi, buf, ARRAY_SIZE(buf));
-	if (ret > 0)
-		sii8620_write_buf(ctx, REG_TPI_AVI_CHSUM, buf + 3, ret - 3);
 	sii8620_write(ctx, REG_PKT_FILTER_0,
 		BIT_PKT_FILTER_0_DROP_CEA_GAMUT_PKT |
 		BIT_PKT_FILTER_0_DROP_MPEG_PKT |
@@ -1177,6 +1144,9 @@ static void sii8620_set_infoframes(struct sii8620 *ctx)
 
 static void sii8620_start_video(struct sii8620 *ctx)
 {
+	struct drm_display_mode *mode =
+		&ctx->bridge.encoder->crtc->state->adjusted_mode;
+
 	if (!sii8620_is_mhl3(ctx))
 		sii8620_stop_video(ctx);
 
@@ -1195,8 +1165,14 @@ static void sii8620_start_video(struct sii8620 *ctx)
 	sii8620_set_format(ctx);
 
 	if (!sii8620_is_mhl3(ctx)) {
-		sii8620_mt_write_stat(ctx, MHL_DST_REG(LINK_MODE),
-			MHL_DST_LM_CLK_MODE_NORMAL | MHL_DST_LM_PATH_ENABLED);
+		u8 link_mode = MHL_DST_LM_PATH_ENABLED;
+
+		if (ctx->use_packed_pixel)
+			link_mode |= MHL_DST_LM_CLK_MODE_PACKED_PIXEL;
+		else
+			link_mode |= MHL_DST_LM_CLK_MODE_NORMAL;
+
+		sii8620_mt_write_stat(ctx, MHL_DST_REG(LINK_MODE), link_mode);
 		sii8620_set_auto_zone(ctx);
 	} else {
 		static const struct {
@@ -1213,10 +1189,10 @@ static void sii8620_start_video(struct sii8620 *ctx)
 			  MHL_XDS_LINK_RATE_6_0_GBPS, 0x40 },
 		};
 		u8 p0_ctrl = BIT_M3_P0CTRL_MHL3_P0_PORT_EN;
-		int clk = ctx->pixel_clock * (ctx->use_packed_pixel ? 2 : 3);
+		int clk = mode->clock * (ctx->use_packed_pixel ? 2 : 3);
 		int i;
 
-		for (i = 0; i < ARRAY_SIZE(clk_spec); ++i)
+		for (i = 0; i < ARRAY_SIZE(clk_spec) - 1; ++i)
 			if (clk < clk_spec[i].max_clk)
 				break;
 
@@ -1242,7 +1218,7 @@ static void sii8620_start_video(struct sii8620 *ctx)
 			clk_spec[i].link_rate);
 	}
 
-	sii8620_set_infoframes(ctx);
+	sii8620_set_infoframes(ctx, mode);
 }
 
 static void sii8620_disable_hpd(struct sii8620 *ctx)
@@ -1534,6 +1510,16 @@ static void sii8620_set_mode(struct sii8620 *ctx, enum sii8620_mode mode)
 	);
 }
 
+static void sii8620_hpd_unplugged(struct sii8620 *ctx)
+{
+	sii8620_disable_hpd(ctx);
+	ctx->sink_type = SINK_NONE;
+	ctx->sink_detected = false;
+	ctx->feature_complete = false;
+	kfree(ctx->edid);
+	ctx->edid = NULL;
+}
+
 static void sii8620_disconnect(struct sii8620 *ctx)
 {
 	sii8620_disable_gen2_write_burst(ctx);
@@ -1561,7 +1547,7 @@ static void sii8620_disconnect(struct sii8620 *ctx)
 		REG_MHL_DP_CTL6, 0x2A,
 		REG_MHL_DP_CTL7, 0x03
 	);
-	sii8620_disable_hpd(ctx);
+	sii8620_hpd_unplugged(ctx);
 	sii8620_write_seq_static(ctx,
 		REG_M3_CTRL, VAL_M3_CTRL_MHL3_VALUE,
 		REG_MHL_COC_CTL1, 0x07,
@@ -1609,10 +1595,8 @@ static void sii8620_disconnect(struct sii8620 *ctx)
 	memset(ctx->xstat, 0, sizeof(ctx->xstat));
 	memset(ctx->devcap, 0, sizeof(ctx->devcap));
 	memset(ctx->xdevcap, 0, sizeof(ctx->xdevcap));
+	ctx->devcap_read = false;
 	ctx->cbus_status = 0;
-	ctx->sink_type = SINK_NONE;
-	kfree(ctx->edid);
-	ctx->edid = NULL;
 	sii8620_mt_cleanup(ctx);
 }
 
@@ -1699,17 +1683,18 @@ static void sii8620_status_dcap_ready(struct sii8620 *ctx)
 
 static void sii8620_status_changed_path(struct sii8620 *ctx)
 {
-	if (ctx->stat[MHL_DST_LINK_MODE] & MHL_DST_LM_PATH_ENABLED) {
-		sii8620_mt_write_stat(ctx, MHL_DST_REG(LINK_MODE),
-				      MHL_DST_LM_CLK_MODE_NORMAL
-				      | MHL_DST_LM_PATH_ENABLED);
-		if (!sii8620_is_mhl3(ctx))
-			sii8620_mt_read_devcap(ctx, false);
-		sii8620_mt_set_cont(ctx, sii8620_sink_detected);
-	} else {
-		sii8620_mt_write_stat(ctx, MHL_DST_REG(LINK_MODE),
-				      MHL_DST_LM_CLK_MODE_NORMAL);
-	}
+	u8 link_mode;
+
+	if (ctx->use_packed_pixel)
+		link_mode = MHL_DST_LM_CLK_MODE_PACKED_PIXEL;
+	else
+		link_mode = MHL_DST_LM_CLK_MODE_NORMAL;
+
+	if (ctx->stat[MHL_DST_LINK_MODE] & MHL_DST_LM_PATH_ENABLED)
+		link_mode |= MHL_DST_LM_PATH_ENABLED;
+
+	sii8620_mt_write_stat(ctx, MHL_DST_REG(LINK_MODE),
+			      link_mode);
 }
 
 static void sii8620_msc_mr_write_stat(struct sii8620 *ctx)
@@ -1722,9 +1707,14 @@ static void sii8620_msc_mr_write_stat(struct sii8620 *ctx)
 	sii8620_update_array(ctx->stat, st, MHL_DST_SIZE);
 	sii8620_update_array(ctx->xstat, xst, MHL_XDS_SIZE);
 
-	if (ctx->stat[MHL_DST_CONNECTED_RDY] & MHL_DST_CONN_DCAP_RDY)
+	if (ctx->stat[MHL_DST_CONNECTED_RDY] & st[MHL_DST_CONNECTED_RDY] &
+	    MHL_DST_CONN_DCAP_RDY) {
 		sii8620_status_dcap_ready(ctx);
 
+		if (!sii8620_is_mhl3(ctx))
+			sii8620_mt_read_devcap(ctx, false);
+	}
+
 	if (st[MHL_DST_LINK_MODE] & MHL_DST_LM_PATH_ENABLED)
 		sii8620_status_changed_path(ctx);
 }
@@ -1808,8 +1798,11 @@ static void sii8620_msc_mr_set_int(struct sii8620 *ctx)
 	}
 	if (ints[MHL_INT_RCHANGE] & MHL_INT_RC_FEAT_REQ)
 		sii8620_send_features(ctx);
-	if (ints[MHL_INT_RCHANGE] & MHL_INT_RC_FEAT_COMPLETE)
-		sii8620_edid_read(ctx, 0);
+	if (ints[MHL_INT_RCHANGE] & MHL_INT_RC_FEAT_COMPLETE) {
+		ctx->feature_complete = true;
+		if (ctx->edid)
+			sii8620_enable_hpd(ctx);
+	}
 }
 
 static struct sii8620_mt_msg *sii8620_msc_msg_first(struct sii8620 *ctx)
@@ -1884,6 +1877,15 @@ static void sii8620_irq_msc(struct sii8620 *ctx)
 	if (stat & BIT_CBUS_MSC_MR_WRITE_STAT)
 		sii8620_msc_mr_write_stat(ctx);
 
+	if (stat & BIT_CBUS_HPD_CHG) {
+		if (ctx->cbus_status & BIT_CBUS_STATUS_CBUS_HPD) {
+			ctx->sink_detected = true;
+			sii8620_identify_sink(ctx);
+		} else {
+			sii8620_hpd_unplugged(ctx);
+		}
+	}
+
 	if (stat & BIT_CBUS_MSC_MR_SET_INT)
 		sii8620_msc_mr_set_int(ctx);
 
@@ -1931,14 +1933,6 @@ static void sii8620_irq_edid(struct sii8620 *ctx)
 		ctx->mt_state = MT_STATE_DONE;
 }
 
-static void sii8620_scdt_high(struct sii8620 *ctx)
-{
-	sii8620_write_seq_static(ctx,
-		REG_INTR8_MASK, BIT_CEA_NEW_AVI | BIT_CEA_NEW_VSI,
-		REG_TPI_SC, BIT_TPI_SC_TPI_OUTPUT_MODE_0_HDMI,
-	);
-}
-
 static void sii8620_irq_scdt(struct sii8620 *ctx)
 {
 	u8 stat = sii8620_readb(ctx, REG_INTR5);
@@ -1946,53 +1940,13 @@ static void sii8620_irq_scdt(struct sii8620 *ctx)
 	if (stat & BIT_INTR_SCDT_CHANGE) {
 		u8 cstat = sii8620_readb(ctx, REG_TMDS_CSTAT_P3);
 
-		if (cstat & BIT_TMDS_CSTAT_P3_SCDT) {
-			if (ctx->sink_type == SINK_HDMI)
-				/* enable infoframe interrupt */
-				sii8620_scdt_high(ctx);
-			else
-				sii8620_start_video(ctx);
-		}
+		if (cstat & BIT_TMDS_CSTAT_P3_SCDT)
+			sii8620_start_video(ctx);
 	}
 
 	sii8620_write(ctx, REG_INTR5, stat);
 }
 
-static void sii8620_new_vsi(struct sii8620 *ctx)
-{
-	u8 vsif[11];
-
-	sii8620_write(ctx, REG_RX_HDMI_CTRL2,
-		      VAL_RX_HDMI_CTRL2_DEFVAL |
-		      BIT_RX_HDMI_CTRL2_VSI_MON_SEL_VSI);
-	sii8620_read_buf(ctx, REG_RX_HDMI_MON_PKT_HEADER1, vsif,
-			 ARRAY_SIZE(vsif));
-}
-
-static void sii8620_new_avi(struct sii8620 *ctx)
-{
-	sii8620_write(ctx, REG_RX_HDMI_CTRL2, VAL_RX_HDMI_CTRL2_DEFVAL);
-	sii8620_read_buf(ctx, REG_RX_HDMI_MON_PKT_HEADER1, ctx->avif,
-			 ARRAY_SIZE(ctx->avif));
-}
-
-static void sii8620_irq_infr(struct sii8620 *ctx)
-{
-	u8 stat = sii8620_readb(ctx, REG_INTR8)
-		& (BIT_CEA_NEW_VSI | BIT_CEA_NEW_AVI);
-
-	sii8620_write(ctx, REG_INTR8, stat);
-
-	if (stat & BIT_CEA_NEW_VSI)
-		sii8620_new_vsi(ctx);
-
-	if (stat & BIT_CEA_NEW_AVI)
-		sii8620_new_avi(ctx);
-
-	if (stat & (BIT_CEA_NEW_VSI | BIT_CEA_NEW_AVI))
-		sii8620_start_video(ctx);
-}
-
 static void sii8620_got_xdevcap(struct sii8620 *ctx, int ret)
 {
 	if (ret < 0)
@@ -2043,11 +1997,11 @@ static void sii8620_irq_ddc(struct sii8620 *ctx)
 
 	if (stat & BIT_DDC_CMD_DONE) {
 		sii8620_write(ctx, REG_INTR3_MASK, 0);
-		if (sii8620_is_mhl3(ctx))
+		if (sii8620_is_mhl3(ctx) && !ctx->feature_complete)
 			sii8620_mt_set_int(ctx, MHL_INT_REG(RCHANGE),
 					   MHL_INT_RC_FEAT_REQ);
 		else
-			sii8620_edid_read(ctx, 0);
+			sii8620_enable_hpd(ctx);
 	}
 	sii8620_write(ctx, REG_INTR3, stat);
 }
@@ -2074,7 +2028,6 @@ static irqreturn_t sii8620_irq_thread(int irq, void *data)
 		{ BIT_FAST_INTR_STAT_EDID, sii8620_irq_edid },
 		{ BIT_FAST_INTR_STAT_DDC, sii8620_irq_ddc },
 		{ BIT_FAST_INTR_STAT_SCDT, sii8620_irq_scdt },
-		{ BIT_FAST_INTR_STAT_INFR, sii8620_irq_infr },
 	};
 	struct sii8620 *ctx = data;
 	u8 stats[LEN_FAST_INTR_STAT];
@@ -2112,7 +2065,6 @@ static void sii8620_cable_in(struct sii8620 *ctx)
 		dev_err(dev, "Error powering on, %d.\n", ret);
 		return;
 	}
-	sii8620_hw_reset(ctx);
 
 	sii8620_read_buf(ctx, REG_VND_IDL, ver, ARRAY_SIZE(ver));
 	ret = sii8620_clear_error(ctx);
@@ -2268,17 +2220,43 @@ static void sii8620_detach(struct drm_bridge *bridge)
 	rc_unregister_device(ctx->rc_dev);
 }
 
+static int sii8620_is_packing_required(struct sii8620 *ctx,
+				       const struct drm_display_mode *mode)
+{
+	int max_pclk, max_pclk_pp_mode;
+
+	if (sii8620_is_mhl3(ctx)) {
+		max_pclk = MHL3_MAX_PCLK;
+		max_pclk_pp_mode = MHL3_MAX_PCLK_PP_MODE;
+	} else {
+		max_pclk = MHL1_MAX_PCLK;
+		max_pclk_pp_mode = MHL1_MAX_PCLK_PP_MODE;
+	}
+
+	if (mode->clock < max_pclk)
+		return 0;
+	else if (mode->clock < max_pclk_pp_mode)
+		return 1;
+	else
+		return -1;
+}
+
 static enum drm_mode_status sii8620_mode_valid(struct drm_bridge *bridge,
 					 const struct drm_display_mode *mode)
 {
 	struct sii8620 *ctx = bridge_to_sii8620(bridge);
+	int pack_required = sii8620_is_packing_required(ctx, mode);
 	bool can_pack = ctx->devcap[MHL_DCAP_VID_LINK_MODE] &
 			MHL_DCAP_VID_LINK_PPIXEL;
-	unsigned int max_pclk = sii8620_is_mhl3(ctx) ? MHL3_MAX_LCLK :
-						       MHL1_MAX_LCLK;
-	max_pclk /= can_pack ? 2 : 3;
 
-	return (mode->clock > max_pclk) ? MODE_CLOCK_HIGH : MODE_OK;
+	switch (pack_required) {
+	case 0:
+		return MODE_OK;
+	case 1:
+		return (can_pack) ? MODE_OK : MODE_CLOCK_HIGH;
+	default:
+		return MODE_CLOCK_HIGH;
+	}
 }
 
 static bool sii8620_mode_fixup(struct drm_bridge *bridge,
@@ -2286,43 +2264,14 @@ static bool sii8620_mode_fixup(struct drm_bridge *bridge,
 			       struct drm_display_mode *adjusted_mode)
 {
 	struct sii8620 *ctx = bridge_to_sii8620(bridge);
-	int max_lclk;
-	bool ret = true;
 
 	mutex_lock(&ctx->lock);
 
-	max_lclk = sii8620_is_mhl3(ctx) ? MHL3_MAX_LCLK : MHL1_MAX_LCLK;
-	if (max_lclk > 3 * adjusted_mode->clock) {
-		ctx->use_packed_pixel = 0;
-		goto end;
-	}
-	if ((ctx->devcap[MHL_DCAP_VID_LINK_MODE] & MHL_DCAP_VID_LINK_PPIXEL) &&
-	    max_lclk > 2 * adjusted_mode->clock) {
-		ctx->use_packed_pixel = 1;
-		goto end;
-	}
-	ret = false;
-end:
-	if (ret) {
-		u8 vic = drm_match_cea_mode(adjusted_mode);
-
-		if (!vic) {
-			union hdmi_infoframe frm;
-			u8 mhl_vic[] = { 0, 95, 94, 93, 98 };
-
-			/* FIXME: We need the connector here */
-			drm_hdmi_vendor_infoframe_from_display_mode(
-				&frm.vendor.hdmi, NULL, adjusted_mode);
-			vic = frm.vendor.hdmi.vic;
-			if (vic >= ARRAY_SIZE(mhl_vic))
-				vic = 0;
-			vic = mhl_vic[vic];
-		}
-		ctx->video_code = vic;
-		ctx->pixel_clock = adjusted_mode->clock;
-	}
+	ctx->use_packed_pixel = sii8620_is_packing_required(ctx, adjusted_mode);
+
 	mutex_unlock(&ctx->lock);
-	return ret;
+
+	return true;
 }
 
 static const struct drm_bridge_funcs sii8620_bridge_funcs = {
diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c
index b553a6f2ff0e..7af748ed1c58 100644
--- a/drivers/gpu/drm/drm_drv.c
+++ b/drivers/gpu/drm/drm_drv.c
@@ -369,13 +369,6 @@ EXPORT_SYMBOL(drm_dev_exit);
  */
 void drm_dev_unplug(struct drm_device *dev)
 {
-	drm_dev_unregister(dev);
-
-	mutex_lock(&drm_global_mutex);
-	if (dev->open_count == 0)
-		drm_dev_put(dev);
-	mutex_unlock(&drm_global_mutex);
-
 	/*
 	 * After synchronizing any critical read section is guaranteed to see
 	 * the new value of ->unplugged, and any critical section which might
@@ -384,6 +377,13 @@ void drm_dev_unplug(struct drm_device *dev)
 	 */
 	dev->unplugged = true;
 	synchronize_srcu(&drm_unplug_srcu);
+
+	drm_dev_unregister(dev);
+
+	mutex_lock(&drm_global_mutex);
+	if (dev->open_count == 0)
+		drm_dev_put(dev);
+	mutex_unlock(&drm_global_mutex);
 }
 EXPORT_SYMBOL(drm_dev_unplug);
 
diff --git a/drivers/gpu/drm/drm_lease.c b/drivers/gpu/drm/drm_lease.c
index 50c73c0a20b9..d638c0fb3418 100644
--- a/drivers/gpu/drm/drm_lease.c
+++ b/drivers/gpu/drm/drm_lease.c
@@ -553,24 +553,13 @@ int drm_mode_create_lease_ioctl(struct drm_device *dev,
 
 	/* Clone the lessor file to create a new file for us */
 	DRM_DEBUG_LEASE("Allocating lease file\n");
-	path_get(&lessor_file->f_path);
-	lessee_file = alloc_file(&lessor_file->f_path,
-				 lessor_file->f_mode,
-				 fops_get(lessor_file->f_inode->i_fop));
-
+	lessee_file = filp_clone_open(lessor_file);
 	if (IS_ERR(lessee_file)) {
 		ret = PTR_ERR(lessee_file);
 		goto out_lessee;
 	}
 
-	/* Initialize the new file for DRM */
-	DRM_DEBUG_LEASE("Initializing the file with %p\n", lessee_file->f_op->open);
-	ret = lessee_file->f_op->open(lessee_file->f_inode, lessee_file);
-	if (ret)
-		goto out_lessee_file;
-
 	lessee_priv = lessee_file->private_data;
-
 	/* Change the file to a master one */
 	drm_master_put(&lessee_priv->master);
 	lessee_priv->master = lessee;
@@ -588,9 +577,6 @@ int drm_mode_create_lease_ioctl(struct drm_device *dev,
 	DRM_DEBUG_LEASE("drm_mode_create_lease_ioctl succeeded\n");
 	return 0;
 
-out_lessee_file:
-	fput(lessee_file);
-
 out_lessee:
 	drm_master_put(&lessee);
 
diff --git a/drivers/gpu/drm/drm_property.c b/drivers/gpu/drm/drm_property.c
index 1f8031e30f53..cdb10f885a4f 100644
--- a/drivers/gpu/drm/drm_property.c
+++ b/drivers/gpu/drm/drm_property.c
@@ -532,7 +532,7 @@ static void drm_property_free_blob(struct kref *kref)
 
 	drm_mode_object_unregister(blob->dev, &blob->base);
 
-	kfree(blob);
+	kvfree(blob);
 }
 
 /**
@@ -559,7 +559,7 @@ drm_property_create_blob(struct drm_device *dev, size_t length,
 	if (!length || length > ULONG_MAX - sizeof(struct drm_property_blob))
 		return ERR_PTR(-EINVAL);
 
-	blob = kzalloc(sizeof(struct drm_property_blob)+length, GFP_KERNEL);
+	blob = kvzalloc(sizeof(struct drm_property_blob)+length, GFP_KERNEL);
 	if (!blob)
 		return ERR_PTR(-ENOMEM);
 
@@ -576,7 +576,7 @@ drm_property_create_blob(struct drm_device *dev, size_t length,
 	ret = __drm_mode_object_add(dev, &blob->base, DRM_MODE_OBJECT_BLOB,
 				    true, drm_property_free_blob);
 	if (ret) {
-		kfree(blob);
+		kvfree(blob);
 		return ERR_PTR(-EINVAL);
 	}
 
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_drv.c b/drivers/gpu/drm/etnaviv/etnaviv_drv.c
index e5013a999147..540b59fb4103 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_drv.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_drv.c
@@ -631,8 +631,11 @@ static struct platform_driver etnaviv_platform_driver = {
 	},
 };
 
+static struct platform_device *etnaviv_drm;
+
 static int __init etnaviv_init(void)
 {
+	struct platform_device *pdev;
 	int ret;
 	struct device_node *np;
 
@@ -644,7 +647,7 @@ static int __init etnaviv_init(void)
 
 	ret = platform_driver_register(&etnaviv_platform_driver);
 	if (ret != 0)
-		platform_driver_unregister(&etnaviv_gpu_driver);
+		goto unregister_gpu_driver;
 
 	/*
 	 * If the DT contains at least one available GPU device, instantiate
@@ -653,20 +656,33 @@ static int __init etnaviv_init(void)
 	for_each_compatible_node(np, NULL, "vivante,gc") {
 		if (!of_device_is_available(np))
 			continue;
-
-		platform_device_register_simple("etnaviv", -1, NULL, 0);
+		pdev = platform_device_register_simple("etnaviv", -1,
+						       NULL, 0);
+		if (IS_ERR(pdev)) {
+			ret = PTR_ERR(pdev);
+			of_node_put(np);
+			goto unregister_platform_driver;
+		}
+		etnaviv_drm = pdev;
 		of_node_put(np);
 		break;
 	}
 
+	return 0;
+
+unregister_platform_driver:
+	platform_driver_unregister(&etnaviv_platform_driver);
+unregister_gpu_driver:
+	platform_driver_unregister(&etnaviv_gpu_driver);
 	return ret;
 }
 module_init(etnaviv_init);
 
 static void __exit etnaviv_exit(void)
 {
-	platform_driver_unregister(&etnaviv_gpu_driver);
+	platform_device_unregister(etnaviv_drm);
 	platform_driver_unregister(&etnaviv_platform_driver);
+	platform_driver_unregister(&etnaviv_gpu_driver);
 }
 module_exit(etnaviv_exit);
 
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gpu.h b/drivers/gpu/drm/etnaviv/etnaviv_gpu.h
index dd430f0f8ff5..90f17ff7888e 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_gpu.h
+++ b/drivers/gpu/drm/etnaviv/etnaviv_gpu.h
@@ -131,6 +131,9 @@ struct etnaviv_gpu {
 	struct work_struct sync_point_work;
 	int sync_point_event;
 
+	/* hang detection */
+	u32 hangcheck_dma_addr;
+
 	void __iomem *mmio;
 	int irq;
 
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_sched.c b/drivers/gpu/drm/etnaviv/etnaviv_sched.c
index a74eb57af15b..50d6b88cb7aa 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_sched.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_sched.c
@@ -10,6 +10,7 @@
 #include "etnaviv_gem.h"
 #include "etnaviv_gpu.h"
 #include "etnaviv_sched.h"
+#include "state.xml.h"
 
 static int etnaviv_job_hang_limit = 0;
 module_param_named(job_hang_limit, etnaviv_job_hang_limit, int , 0444);
@@ -85,6 +86,29 @@ static void etnaviv_sched_timedout_job(struct drm_sched_job *sched_job)
 {
 	struct etnaviv_gem_submit *submit = to_etnaviv_submit(sched_job);
 	struct etnaviv_gpu *gpu = submit->gpu;
+	u32 dma_addr;
+	int change;
+
+	/*
+	 * If the GPU managed to complete this jobs fence, the timout is
+	 * spurious. Bail out.
+	 */
+	if (fence_completed(gpu, submit->out_fence->seqno))
+		return;
+
+	/*
+	 * If the GPU is still making forward progress on the front-end (which
+	 * should never loop) we shift out the timeout to give it a chance to
+	 * finish the job.
+	 */
+	dma_addr = gpu_read(gpu, VIVS_FE_DMA_ADDRESS);
+	change = dma_addr - gpu->hangcheck_dma_addr;
+	if (change < 0 || change > 16) {
+		gpu->hangcheck_dma_addr = dma_addr;
+		schedule_delayed_work(&sched_job->work_tdr,
+				      sched_job->sched->timeout);
+		return;
+	}
 
 	/* block scheduler */
 	kthread_park(gpu->sched.thread);
diff --git a/drivers/gpu/drm/exynos/exynos5433_drm_decon.c b/drivers/gpu/drm/exynos/exynos5433_drm_decon.c
index 82c95c34447f..e868773ea509 100644
--- a/drivers/gpu/drm/exynos/exynos5433_drm_decon.c
+++ b/drivers/gpu/drm/exynos/exynos5433_drm_decon.c
@@ -265,7 +265,7 @@ static void decon_win_set_pixfmt(struct decon_context *ctx, unsigned int win,
 	unsigned long val;
 
 	val = readl(ctx->addr + DECON_WINCONx(win));
-	val &= ~WINCONx_BPPMODE_MASK;
+	val &= WINCONx_ENWIN_F;
 
 	switch (fb->format->format) {
 	case DRM_FORMAT_XRGB1555:
@@ -356,8 +356,8 @@ static void decon_update_plane(struct exynos_drm_crtc *crtc,
 		writel(val, ctx->addr + DECON_VIDOSDxB(win));
 	}
 
-	val = VIDOSD_Wx_ALPHA_R_F(0x0) | VIDOSD_Wx_ALPHA_G_F(0x0) |
-		VIDOSD_Wx_ALPHA_B_F(0x0);
+	val = VIDOSD_Wx_ALPHA_R_F(0xff) | VIDOSD_Wx_ALPHA_G_F(0xff) |
+		VIDOSD_Wx_ALPHA_B_F(0xff);
 	writel(val, ctx->addr + DECON_VIDOSDxC(win));
 
 	val = VIDOSD_Wx_ALPHA_R_F(0x0) | VIDOSD_Wx_ALPHA_G_F(0x0) |
diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.c b/drivers/gpu/drm/exynos/exynos_drm_drv.c
index a81b4a5e24a7..ed3cc2989f93 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_drv.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_drv.c
@@ -420,7 +420,7 @@ err_mode_config_cleanup:
 err_free_private:
 	kfree(private);
 err_free_drm:
-	drm_dev_unref(drm);
+	drm_dev_put(drm);
 
 	return ret;
 }
@@ -444,7 +444,7 @@ static void exynos_drm_unbind(struct device *dev)
 	drm->dev_private = NULL;
 	dev_set_drvdata(dev, NULL);
 
-	drm_dev_unref(drm);
+	drm_dev_put(drm);
 }
 
 static const struct component_master_ops exynos_drm_ops = {
diff --git a/drivers/gpu/drm/exynos/exynos_drm_fb.c b/drivers/gpu/drm/exynos/exynos_drm_fb.c
index 7fcc1a7ab1a0..27b7d34d776c 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_fb.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fb.c
@@ -138,7 +138,7 @@ exynos_user_fb_create(struct drm_device *dev, struct drm_file *file_priv,
 
 err:
 	while (i--)
-		drm_gem_object_unreference_unlocked(&exynos_gem[i]->base);
+		drm_gem_object_put_unlocked(&exynos_gem[i]->base);
 
 	return ERR_PTR(ret);
 }
diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimc.c b/drivers/gpu/drm/exynos/exynos_drm_fimc.c
index 6127ef25acd6..e8d0670bb5f8 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_fimc.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fimc.c
@@ -470,17 +470,18 @@ static void fimc_src_set_transf(struct fimc_context *ctx, unsigned int rotation)
 static void fimc_set_window(struct fimc_context *ctx,
 			    struct exynos_drm_ipp_buffer *buf)
 {
+	unsigned int real_width = buf->buf.pitch[0] / buf->format->cpp[0];
 	u32 cfg, h1, h2, v1, v2;
 
 	/* cropped image */
 	h1 = buf->rect.x;
-	h2 = buf->buf.width - buf->rect.w - buf->rect.x;
+	h2 = real_width - buf->rect.w - buf->rect.x;
 	v1 = buf->rect.y;
 	v2 = buf->buf.height - buf->rect.h - buf->rect.y;
 
 	DRM_DEBUG_KMS("x[%d]y[%d]w[%d]h[%d]hsize[%d]vsize[%d]\n",
 		buf->rect.x, buf->rect.y, buf->rect.w, buf->rect.h,
-		buf->buf.width, buf->buf.height);
+		real_width, buf->buf.height);
 	DRM_DEBUG_KMS("h1[%d]h2[%d]v1[%d]v2[%d]\n", h1, h2, v1, v2);
 
 	/*
@@ -503,12 +504,13 @@ static void fimc_set_window(struct fimc_context *ctx,
 static void fimc_src_set_size(struct fimc_context *ctx,
 			      struct exynos_drm_ipp_buffer *buf)
 {
+	unsigned int real_width = buf->buf.pitch[0] / buf->format->cpp[0];
 	u32 cfg;
 
-	DRM_DEBUG_KMS("hsize[%d]vsize[%d]\n", buf->buf.width, buf->buf.height);
+	DRM_DEBUG_KMS("hsize[%d]vsize[%d]\n", real_width, buf->buf.height);
 
 	/* original size */
-	cfg = (EXYNOS_ORGISIZE_HORIZONTAL(buf->buf.width) |
+	cfg = (EXYNOS_ORGISIZE_HORIZONTAL(real_width) |
 		EXYNOS_ORGISIZE_VERTICAL(buf->buf.height));
 
 	fimc_write(ctx, cfg, EXYNOS_ORGISIZE);
@@ -529,7 +531,7 @@ static void fimc_src_set_size(struct fimc_context *ctx,
 	 * for now, we support only ITU601 8 bit mode
 	 */
 	cfg = (EXYNOS_CISRCFMT_ITU601_8BIT |
-		EXYNOS_CISRCFMT_SOURCEHSIZE(buf->buf.width) |
+		EXYNOS_CISRCFMT_SOURCEHSIZE(real_width) |
 		EXYNOS_CISRCFMT_SOURCEVSIZE(buf->buf.height));
 	fimc_write(ctx, cfg, EXYNOS_CISRCFMT);
 
@@ -842,12 +844,13 @@ static void fimc_set_scaler(struct fimc_context *ctx, struct fimc_scaler *sc)
 static void fimc_dst_set_size(struct fimc_context *ctx,
 			     struct exynos_drm_ipp_buffer *buf)
 {
+	unsigned int real_width = buf->buf.pitch[0] / buf->format->cpp[0];
 	u32 cfg, cfg_ext;
 
-	DRM_DEBUG_KMS("hsize[%d]vsize[%d]\n", buf->buf.width, buf->buf.height);
+	DRM_DEBUG_KMS("hsize[%d]vsize[%d]\n", real_width, buf->buf.height);
 
 	/* original size */
-	cfg = (EXYNOS_ORGOSIZE_HORIZONTAL(buf->buf.width) |
+	cfg = (EXYNOS_ORGOSIZE_HORIZONTAL(real_width) |
 		EXYNOS_ORGOSIZE_VERTICAL(buf->buf.height));
 
 	fimc_write(ctx, cfg, EXYNOS_ORGOSIZE);
diff --git a/drivers/gpu/drm/exynos/exynos_drm_gem.c b/drivers/gpu/drm/exynos/exynos_drm_gem.c
index 6e1494fa71b4..bdf5a7655228 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_gem.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_gem.c
@@ -143,7 +143,7 @@ static int exynos_drm_gem_handle_create(struct drm_gem_object *obj,
 	DRM_DEBUG_KMS("gem handle = 0x%x\n", *handle);
 
 	/* drop reference from allocate - handle holds it now. */
-	drm_gem_object_unreference_unlocked(obj);
+	drm_gem_object_put_unlocked(obj);
 
 	return 0;
 }
@@ -186,7 +186,7 @@ unsigned long exynos_drm_gem_get_size(struct drm_device *dev,
 
 	exynos_gem = to_exynos_gem(obj);
 
-	drm_gem_object_unreference_unlocked(obj);
+	drm_gem_object_put_unlocked(obj);
 
 	return exynos_gem->size;
 }
@@ -329,13 +329,13 @@ void exynos_drm_gem_put_dma_addr(struct drm_device *dev,
 		return;
 	}
 
-	drm_gem_object_unreference_unlocked(obj);
+	drm_gem_object_put_unlocked(obj);
 
 	/*
 	 * decrease obj->refcount one more time because we has already
 	 * increased it at exynos_drm_gem_get_dma_addr().
 	 */
-	drm_gem_object_unreference_unlocked(obj);
+	drm_gem_object_put_unlocked(obj);
 }
 
 static int exynos_drm_gem_mmap_buffer(struct exynos_drm_gem *exynos_gem,
@@ -383,7 +383,7 @@ int exynos_drm_gem_get_ioctl(struct drm_device *dev, void *data,
 	args->flags = exynos_gem->flags;
 	args->size = exynos_gem->size;
 
-	drm_gem_object_unreference_unlocked(obj);
+	drm_gem_object_put_unlocked(obj);
 
 	return 0;
 }
diff --git a/drivers/gpu/drm/exynos/exynos_drm_gsc.c b/drivers/gpu/drm/exynos/exynos_drm_gsc.c
index 35ac66730563..7ba414b52faa 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_gsc.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_gsc.c
@@ -492,21 +492,25 @@ static void gsc_src_set_fmt(struct gsc_context *ctx, u32 fmt)
 			GSC_IN_CHROMA_ORDER_CRCB);
 		break;
 	case DRM_FORMAT_NV21:
+		cfg |= (GSC_IN_CHROMA_ORDER_CRCB | GSC_IN_YUV420_2P);
+		break;
 	case DRM_FORMAT_NV61:
-		cfg |= (GSC_IN_CHROMA_ORDER_CRCB |
-			GSC_IN_YUV420_2P);
+		cfg |= (GSC_IN_CHROMA_ORDER_CRCB | GSC_IN_YUV422_2P);
 		break;
 	case DRM_FORMAT_YUV422:
 		cfg |= GSC_IN_YUV422_3P;
 		break;
 	case DRM_FORMAT_YUV420:
+		cfg |= (GSC_IN_CHROMA_ORDER_CBCR | GSC_IN_YUV420_3P);
+		break;
 	case DRM_FORMAT_YVU420:
-		cfg |= GSC_IN_YUV420_3P;
+		cfg |= (GSC_IN_CHROMA_ORDER_CRCB | GSC_IN_YUV420_3P);
 		break;
 	case DRM_FORMAT_NV12:
+		cfg |= (GSC_IN_CHROMA_ORDER_CBCR | GSC_IN_YUV420_2P);
+		break;
 	case DRM_FORMAT_NV16:
-		cfg |= (GSC_IN_CHROMA_ORDER_CBCR |
-			GSC_IN_YUV420_2P);
+		cfg |= (GSC_IN_CHROMA_ORDER_CBCR | GSC_IN_YUV422_2P);
 		break;
 	}
 
@@ -523,30 +527,30 @@ static void gsc_src_set_transf(struct gsc_context *ctx, unsigned int rotation)
 
 	switch (degree) {
 	case DRM_MODE_ROTATE_0:
-		if (rotation & DRM_MODE_REFLECT_Y)
-			cfg |= GSC_IN_ROT_XFLIP;
 		if (rotation & DRM_MODE_REFLECT_X)
+			cfg |= GSC_IN_ROT_XFLIP;
+		if (rotation & DRM_MODE_REFLECT_Y)
 			cfg |= GSC_IN_ROT_YFLIP;
 		break;
 	case DRM_MODE_ROTATE_90:
 		cfg |= GSC_IN_ROT_90;
-		if (rotation & DRM_MODE_REFLECT_Y)
-			cfg |= GSC_IN_ROT_XFLIP;
 		if (rotation & DRM_MODE_REFLECT_X)
+			cfg |= GSC_IN_ROT_XFLIP;
+		if (rotation & DRM_MODE_REFLECT_Y)
 			cfg |= GSC_IN_ROT_YFLIP;
 		break;
 	case DRM_MODE_ROTATE_180:
 		cfg |= GSC_IN_ROT_180;
-		if (rotation & DRM_MODE_REFLECT_Y)
-			cfg &= ~GSC_IN_ROT_XFLIP;
 		if (rotation & DRM_MODE_REFLECT_X)
+			cfg &= ~GSC_IN_ROT_XFLIP;
+		if (rotation & DRM_MODE_REFLECT_Y)
 			cfg &= ~GSC_IN_ROT_YFLIP;
 		break;
 	case DRM_MODE_ROTATE_270:
 		cfg |= GSC_IN_ROT_270;
-		if (rotation & DRM_MODE_REFLECT_Y)
-			cfg &= ~GSC_IN_ROT_XFLIP;
 		if (rotation & DRM_MODE_REFLECT_X)
+			cfg &= ~GSC_IN_ROT_XFLIP;
+		if (rotation & DRM_MODE_REFLECT_Y)
 			cfg &= ~GSC_IN_ROT_YFLIP;
 		break;
 	}
@@ -577,7 +581,7 @@ static void gsc_src_set_size(struct gsc_context *ctx,
 	cfg &= ~(GSC_SRCIMG_HEIGHT_MASK |
 		GSC_SRCIMG_WIDTH_MASK);
 
-	cfg |= (GSC_SRCIMG_WIDTH(buf->buf.width) |
+	cfg |= (GSC_SRCIMG_WIDTH(buf->buf.pitch[0] / buf->format->cpp[0]) |
 		GSC_SRCIMG_HEIGHT(buf->buf.height));
 
 	gsc_write(cfg, GSC_SRCIMG_SIZE);
@@ -672,18 +676,25 @@ static void gsc_dst_set_fmt(struct gsc_context *ctx, u32 fmt)
 			GSC_OUT_CHROMA_ORDER_CRCB);
 		break;
 	case DRM_FORMAT_NV21:
-	case DRM_FORMAT_NV61:
 		cfg |= (GSC_OUT_CHROMA_ORDER_CRCB | GSC_OUT_YUV420_2P);
 		break;
+	case DRM_FORMAT_NV61:
+		cfg |= (GSC_OUT_CHROMA_ORDER_CRCB | GSC_OUT_YUV422_2P);
+		break;
 	case DRM_FORMAT_YUV422:
+		cfg |= GSC_OUT_YUV422_3P;
+		break;
 	case DRM_FORMAT_YUV420:
+		cfg |= (GSC_OUT_CHROMA_ORDER_CBCR | GSC_OUT_YUV420_3P);
+		break;
 	case DRM_FORMAT_YVU420:
-		cfg |= GSC_OUT_YUV420_3P;
+		cfg |= (GSC_OUT_CHROMA_ORDER_CRCB | GSC_OUT_YUV420_3P);
 		break;
 	case DRM_FORMAT_NV12:
+		cfg |= (GSC_OUT_CHROMA_ORDER_CBCR | GSC_OUT_YUV420_2P);
+		break;
 	case DRM_FORMAT_NV16:
-		cfg |= (GSC_OUT_CHROMA_ORDER_CBCR |
-			GSC_OUT_YUV420_2P);
+		cfg |= (GSC_OUT_CHROMA_ORDER_CBCR | GSC_OUT_YUV422_2P);
 		break;
 	}
 
@@ -868,7 +879,7 @@ static void gsc_dst_set_size(struct gsc_context *ctx,
 	/* original size */
 	cfg = gsc_read(GSC_DSTIMG_SIZE);
 	cfg &= ~(GSC_DSTIMG_HEIGHT_MASK | GSC_DSTIMG_WIDTH_MASK);
-	cfg |= GSC_DSTIMG_WIDTH(buf->buf.width) |
+	cfg |= GSC_DSTIMG_WIDTH(buf->buf.pitch[0] / buf->format->cpp[0]) |
 	       GSC_DSTIMG_HEIGHT(buf->buf.height);
 	gsc_write(cfg, GSC_DSTIMG_SIZE);
 
@@ -1341,7 +1352,7 @@ static const struct drm_exynos_ipp_limit gsc_5420_limits[] = {
 };
 
 static const struct drm_exynos_ipp_limit gsc_5433_limits[] = {
-	{ IPP_SIZE_LIMIT(BUFFER, .h = { 32, 8191, 2 }, .v = { 16, 8191, 2 }) },
+	{ IPP_SIZE_LIMIT(BUFFER, .h = { 32, 8191, 16 }, .v = { 16, 8191, 2 }) },
 	{ IPP_SIZE_LIMIT(AREA, .h = { 16, 4800, 1 }, .v = { 8, 3344, 1 }) },
 	{ IPP_SIZE_LIMIT(ROTATED, .h = { 32, 2047 }, .v = { 8, 8191 }) },
 	{ IPP_SCALE_LIMIT(.h = { (1 << 16) / 16, (1 << 16) * 8 },
diff --git a/drivers/gpu/drm/exynos/exynos_drm_ipp.c b/drivers/gpu/drm/exynos/exynos_drm_ipp.c
index 26374e58c557..b435db8fc916 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_ipp.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_ipp.c
@@ -345,27 +345,6 @@ static int exynos_drm_ipp_task_setup_buffer(struct exynos_drm_ipp_buffer *buf,
 	int ret = 0;
 	int i;
 
-	/* basic checks */
-	if (buf->buf.width == 0 || buf->buf.height == 0)
-		return -EINVAL;
-	buf->format = drm_format_info(buf->buf.fourcc);
-	for (i = 0; i < buf->format->num_planes; i++) {
-		unsigned int width = (i == 0) ? buf->buf.width :
-			     DIV_ROUND_UP(buf->buf.width, buf->format->hsub);
-
-		if (buf->buf.pitch[i] == 0)
-			buf->buf.pitch[i] = width * buf->format->cpp[i];
-		if (buf->buf.pitch[i] < width * buf->format->cpp[i])
-			return -EINVAL;
-		if (!buf->buf.gem_id[i])
-			return -ENOENT;
-	}
-
-	/* pitch for additional planes must match */
-	if (buf->format->num_planes > 2 &&
-	    buf->buf.pitch[1] != buf->buf.pitch[2])
-		return -EINVAL;
-
 	/* get GEM buffers and check their size */
 	for (i = 0; i < buf->format->num_planes; i++) {
 		unsigned int height = (i == 0) ? buf->buf.height :
@@ -428,7 +407,7 @@ enum drm_ipp_size_id {
 	IPP_LIMIT_BUFFER, IPP_LIMIT_AREA, IPP_LIMIT_ROTATED, IPP_LIMIT_MAX
 };
 
-static const enum drm_ipp_size_id limit_id_fallback[IPP_LIMIT_MAX][4] = {
+static const enum drm_exynos_ipp_limit_type limit_id_fallback[IPP_LIMIT_MAX][4] = {
 	[IPP_LIMIT_BUFFER]  = { DRM_EXYNOS_IPP_LIMIT_SIZE_BUFFER },
 	[IPP_LIMIT_AREA]    = { DRM_EXYNOS_IPP_LIMIT_SIZE_AREA,
 				DRM_EXYNOS_IPP_LIMIT_SIZE_BUFFER },
@@ -495,12 +474,13 @@ static int exynos_drm_ipp_check_size_limits(struct exynos_drm_ipp_buffer *buf,
 	enum drm_ipp_size_id id = rotate ? IPP_LIMIT_ROTATED : IPP_LIMIT_AREA;
 	struct drm_ipp_limit l;
 	struct drm_exynos_ipp_limit_val *lh = &l.h, *lv = &l.v;
+	int real_width = buf->buf.pitch[0] / buf->format->cpp[0];
 
 	if (!limits)
 		return 0;
 
 	__get_size_limit(limits, num_limits, IPP_LIMIT_BUFFER, &l);
-	if (!__size_limit_check(buf->buf.width, &l.h) ||
+	if (!__size_limit_check(real_width, &l.h) ||
 	    !__size_limit_check(buf->buf.height, &l.v))
 		return -EINVAL;
 
@@ -560,10 +540,62 @@ static int exynos_drm_ipp_check_scale_limits(
 	return 0;
 }
 
+static int exynos_drm_ipp_check_format(struct exynos_drm_ipp_task *task,
+				       struct exynos_drm_ipp_buffer *buf,
+				       struct exynos_drm_ipp_buffer *src,
+				       struct exynos_drm_ipp_buffer *dst,
+				       bool rotate, bool swap)
+{
+	const struct exynos_drm_ipp_formats *fmt;
+	int ret, i;
+
+	fmt = __ipp_format_get(task->ipp, buf->buf.fourcc, buf->buf.modifier,
+			       buf == src ? DRM_EXYNOS_IPP_FORMAT_SOURCE :
+					    DRM_EXYNOS_IPP_FORMAT_DESTINATION);
+	if (!fmt) {
+		DRM_DEBUG_DRIVER("Task %pK: %s format not supported\n", task,
+				 buf == src ? "src" : "dst");
+		return -EINVAL;
+	}
+
+	/* basic checks */
+	if (buf->buf.width == 0 || buf->buf.height == 0)
+		return -EINVAL;
+
+	buf->format = drm_format_info(buf->buf.fourcc);
+	for (i = 0; i < buf->format->num_planes; i++) {
+		unsigned int width = (i == 0) ? buf->buf.width :
+			     DIV_ROUND_UP(buf->buf.width, buf->format->hsub);
+
+		if (buf->buf.pitch[i] == 0)
+			buf->buf.pitch[i] = width * buf->format->cpp[i];
+		if (buf->buf.pitch[i] < width * buf->format->cpp[i])
+			return -EINVAL;
+		if (!buf->buf.gem_id[i])
+			return -ENOENT;
+	}
+
+	/* pitch for additional planes must match */
+	if (buf->format->num_planes > 2 &&
+	    buf->buf.pitch[1] != buf->buf.pitch[2])
+		return -EINVAL;
+
+	/* check driver limits */
+	ret = exynos_drm_ipp_check_size_limits(buf, fmt->limits,
+					       fmt->num_limits,
+					       rotate,
+					       buf == dst ? swap : false);
+	if (ret)
+		return ret;
+	ret = exynos_drm_ipp_check_scale_limits(&src->rect, &dst->rect,
+						fmt->limits,
+						fmt->num_limits, swap);
+	return ret;
+}
+
 static int exynos_drm_ipp_task_check(struct exynos_drm_ipp_task *task)
 {
 	struct exynos_drm_ipp *ipp = task->ipp;
-	const struct exynos_drm_ipp_formats *src_fmt, *dst_fmt;
 	struct exynos_drm_ipp_buffer *src = &task->src, *dst = &task->dst;
 	unsigned int rotation = task->transform.rotation;
 	int ret = 0;
@@ -607,37 +639,11 @@ static int exynos_drm_ipp_task_check(struct exynos_drm_ipp_task *task)
 		return -EINVAL;
 	}
 
-	src_fmt = __ipp_format_get(ipp, src->buf.fourcc, src->buf.modifier,
-				   DRM_EXYNOS_IPP_FORMAT_SOURCE);
-	if (!src_fmt) {
-		DRM_DEBUG_DRIVER("Task %pK: src format not supported\n", task);
-		return -EINVAL;
-	}
-	ret = exynos_drm_ipp_check_size_limits(src, src_fmt->limits,
-					       src_fmt->num_limits,
-					       rotate, false);
-	if (ret)
-		return ret;
-	ret = exynos_drm_ipp_check_scale_limits(&src->rect, &dst->rect,
-						src_fmt->limits,
-						src_fmt->num_limits, swap);
+	ret = exynos_drm_ipp_check_format(task, src, src, dst, rotate, swap);
 	if (ret)
 		return ret;
 
-	dst_fmt = __ipp_format_get(ipp, dst->buf.fourcc, dst->buf.modifier,
-				   DRM_EXYNOS_IPP_FORMAT_DESTINATION);
-	if (!dst_fmt) {
-		DRM_DEBUG_DRIVER("Task %pK: dst format not supported\n", task);
-		return -EINVAL;
-	}
-	ret = exynos_drm_ipp_check_size_limits(dst, dst_fmt->limits,
-					       dst_fmt->num_limits,
-					       false, swap);
-	if (ret)
-		return ret;
-	ret = exynos_drm_ipp_check_scale_limits(&src->rect, &dst->rect,
-						dst_fmt->limits,
-						dst_fmt->num_limits, swap);
+	ret = exynos_drm_ipp_check_format(task, dst, src, dst, false, swap);
 	if (ret)
 		return ret;
 
diff --git a/drivers/gpu/drm/exynos/exynos_drm_plane.c b/drivers/gpu/drm/exynos/exynos_drm_plane.c
index 38a2a7f1204b..7098c6d35266 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_plane.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_plane.c
@@ -132,7 +132,7 @@ static void exynos_drm_plane_reset(struct drm_plane *plane)
 	if (plane->state) {
 		exynos_state = to_exynos_plane_state(plane->state);
 		if (exynos_state->base.fb)
-			drm_framebuffer_unreference(exynos_state->base.fb);
+			drm_framebuffer_put(exynos_state->base.fb);
 		kfree(exynos_state);
 		plane->state = NULL;
 	}
diff --git a/drivers/gpu/drm/exynos/exynos_drm_rotator.c b/drivers/gpu/drm/exynos/exynos_drm_rotator.c
index 1a76dd3d52e1..a820a68429b9 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_rotator.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_rotator.c
@@ -168,9 +168,9 @@ static void rotator_dst_set_transf(struct rot_context *rot,
 	val &= ~ROT_CONTROL_FLIP_MASK;
 
 	if (rotation & DRM_MODE_REFLECT_X)
-		val |= ROT_CONTROL_FLIP_HORIZONTAL;
-	if (rotation & DRM_MODE_REFLECT_Y)
 		val |= ROT_CONTROL_FLIP_VERTICAL;
+	if (rotation & DRM_MODE_REFLECT_Y)
+		val |= ROT_CONTROL_FLIP_HORIZONTAL;
 
 	val &= ~ROT_CONTROL_ROT_MASK;
 
diff --git a/drivers/gpu/drm/exynos/exynos_drm_scaler.c b/drivers/gpu/drm/exynos/exynos_drm_scaler.c
index 91d4382343d0..0ddb6eec7b11 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_scaler.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_scaler.c
@@ -30,6 +30,7 @@
 #define scaler_write(cfg, offset)	writel(cfg, scaler->regs + (offset))
 #define SCALER_MAX_CLK			4
 #define SCALER_AUTOSUSPEND_DELAY	2000
+#define SCALER_RESET_WAIT_RETRIES	100
 
 struct scaler_data {
 	const char	*clk_name[SCALER_MAX_CLK];
@@ -51,9 +52,9 @@ struct scaler_context {
 static u32 scaler_get_format(u32 drm_fmt)
 {
 	switch (drm_fmt) {
-	case DRM_FORMAT_NV21:
-		return SCALER_YUV420_2P_UV;
 	case DRM_FORMAT_NV12:
+		return SCALER_YUV420_2P_UV;
+	case DRM_FORMAT_NV21:
 		return SCALER_YUV420_2P_VU;
 	case DRM_FORMAT_YUV420:
 		return SCALER_YUV420_3P;
@@ -63,15 +64,15 @@ static u32 scaler_get_format(u32 drm_fmt)
 		return SCALER_YUV422_1P_UYVY;
 	case DRM_FORMAT_YVYU:
 		return SCALER_YUV422_1P_YVYU;
-	case DRM_FORMAT_NV61:
-		return SCALER_YUV422_2P_UV;
 	case DRM_FORMAT_NV16:
+		return SCALER_YUV422_2P_UV;
+	case DRM_FORMAT_NV61:
 		return SCALER_YUV422_2P_VU;
 	case DRM_FORMAT_YUV422:
 		return SCALER_YUV422_3P;
-	case DRM_FORMAT_NV42:
-		return SCALER_YUV444_2P_UV;
 	case DRM_FORMAT_NV24:
+		return SCALER_YUV444_2P_UV;
+	case DRM_FORMAT_NV42:
 		return SCALER_YUV444_2P_VU;
 	case DRM_FORMAT_YUV444:
 		return SCALER_YUV444_3P;
@@ -100,6 +101,23 @@ static u32 scaler_get_format(u32 drm_fmt)
 	return 0;
 }
 
+static inline int scaler_reset(struct scaler_context *scaler)
+{
+	int retry = SCALER_RESET_WAIT_RETRIES;
+
+	scaler_write(SCALER_CFG_SOFT_RESET, SCALER_CFG);
+	do {
+		cpu_relax();
+	} while (retry > 1 &&
+		 scaler_read(SCALER_CFG) & SCALER_CFG_SOFT_RESET);
+	do {
+		cpu_relax();
+		scaler_write(1, SCALER_INT_EN);
+	} while (retry > 0 && scaler_read(SCALER_INT_EN) != 1);
+
+	return retry ? 0 : -EIO;
+}
+
 static inline void scaler_enable_int(struct scaler_context *scaler)
 {
 	u32 val;
@@ -354,9 +372,13 @@ static int scaler_commit(struct exynos_drm_ipp *ipp,
 	u32 dst_fmt = scaler_get_format(task->dst.buf.fourcc);
 	struct drm_exynos_ipp_task_rect *dst_pos = &task->dst.rect;
 
-	scaler->task = task;
-
 	pm_runtime_get_sync(scaler->dev);
+	if (scaler_reset(scaler)) {
+		pm_runtime_put(scaler->dev);
+		return -EIO;
+	}
+
+	scaler->task = task;
 
 	scaler_set_src_fmt(scaler, src_fmt);
 	scaler_set_src_base(scaler, &task->src);
@@ -394,7 +416,11 @@ static inline void scaler_disable_int(struct scaler_context *scaler)
 
 static inline u32 scaler_get_int_status(struct scaler_context *scaler)
 {
-	return scaler_read(SCALER_INT_STATUS);
+	u32 val = scaler_read(SCALER_INT_STATUS);
+
+	scaler_write(val, SCALER_INT_STATUS);
+
+	return val;
 }
 
 static inline int scaler_task_done(u32 val)
diff --git a/drivers/gpu/drm/exynos/regs-gsc.h b/drivers/gpu/drm/exynos/regs-gsc.h
index 4704a993cbb7..16b39734115c 100644
--- a/drivers/gpu/drm/exynos/regs-gsc.h
+++ b/drivers/gpu/drm/exynos/regs-gsc.h
@@ -138,6 +138,7 @@
 #define GSC_OUT_YUV420_3P		(3 << 4)
 #define GSC_OUT_YUV422_1P		(4 << 4)
 #define GSC_OUT_YUV422_2P		(5 << 4)
+#define GSC_OUT_YUV422_3P		(6 << 4)
 #define GSC_OUT_YUV444			(7 << 4)
 #define GSC_OUT_TILE_TYPE_MASK		(1 << 2)
 #define GSC_OUT_TILE_C_16x8		(0 << 2)
diff --git a/drivers/gpu/drm/i915/gvt/cmd_parser.c b/drivers/gpu/drm/i915/gvt/cmd_parser.c
index b51c05d03f14..7f562410f9cf 100644
--- a/drivers/gpu/drm/i915/gvt/cmd_parser.c
+++ b/drivers/gpu/drm/i915/gvt/cmd_parser.c
@@ -862,6 +862,7 @@ static int cmd_reg_handler(struct parser_exec_state *s,
 {
 	struct intel_vgpu *vgpu = s->vgpu;
 	struct intel_gvt *gvt = vgpu->gvt;
+	u32 ctx_sr_ctl;
 
 	if (offset + 4 > gvt->device_info.mmio_size) {
 		gvt_vgpu_err("%s access to (%x) outside of MMIO range\n",
@@ -894,6 +895,28 @@ static int cmd_reg_handler(struct parser_exec_state *s,
 		patch_value(s, cmd_ptr(s, index), VGT_PVINFO_PAGE);
 	}
 
+	/* TODO
+	 * Right now only scan LRI command on KBL and in inhibit context.
+	 * It's good enough to support initializing mmio by lri command in
+	 * vgpu inhibit context on KBL.
+	 */
+	if (IS_KABYLAKE(s->vgpu->gvt->dev_priv) &&
+			intel_gvt_mmio_is_in_ctx(gvt, offset) &&
+			!strncmp(cmd, "lri", 3)) {
+		intel_gvt_hypervisor_read_gpa(s->vgpu,
+			s->workload->ring_context_gpa + 12, &ctx_sr_ctl, 4);
+		/* check inhibit context */
+		if (ctx_sr_ctl & 1) {
+			u32 data = cmd_val(s, index + 1);
+
+			if (intel_gvt_mmio_has_mode_mask(s->vgpu->gvt, offset))
+				intel_vgpu_mask_mmio_write(vgpu,
+							offset, &data, 4);
+			else
+				vgpu_vreg(vgpu, offset) = data;
+		}
+	}
+
 	/* TODO: Update the global mask if this MMIO is a masked-MMIO */
 	intel_gvt_mmio_set_cmd_accessed(gvt, offset);
 	return 0;
diff --git a/drivers/gpu/drm/i915/gvt/display.c b/drivers/gpu/drm/i915/gvt/display.c
index 6d8180e8d1e2..4b072ade8c38 100644
--- a/drivers/gpu/drm/i915/gvt/display.c
+++ b/drivers/gpu/drm/i915/gvt/display.c
@@ -196,7 +196,7 @@ static void emulate_monitor_status_change(struct intel_vgpu *vgpu)
 			~(TRANS_DDI_BPC_MASK | TRANS_DDI_MODE_SELECT_MASK |
 			TRANS_DDI_PORT_MASK);
 		vgpu_vreg_t(vgpu, TRANS_DDI_FUNC_CTL(TRANSCODER_A)) |=
-			(TRANS_DDI_BPC_8 | TRANS_DDI_MODE_SELECT_DP_SST |
+			(TRANS_DDI_BPC_8 | TRANS_DDI_MODE_SELECT_DVI |
 			(PORT_B << TRANS_DDI_PORT_SHIFT) |
 			TRANS_DDI_FUNC_ENABLE);
 		if (IS_BROADWELL(dev_priv)) {
@@ -216,7 +216,7 @@ static void emulate_monitor_status_change(struct intel_vgpu *vgpu)
 			~(TRANS_DDI_BPC_MASK | TRANS_DDI_MODE_SELECT_MASK |
 			TRANS_DDI_PORT_MASK);
 		vgpu_vreg_t(vgpu, TRANS_DDI_FUNC_CTL(TRANSCODER_A)) |=
-			(TRANS_DDI_BPC_8 | TRANS_DDI_MODE_SELECT_DP_SST |
+			(TRANS_DDI_BPC_8 | TRANS_DDI_MODE_SELECT_DVI |
 			(PORT_C << TRANS_DDI_PORT_SHIFT) |
 			TRANS_DDI_FUNC_ENABLE);
 		if (IS_BROADWELL(dev_priv)) {
@@ -236,7 +236,7 @@ static void emulate_monitor_status_change(struct intel_vgpu *vgpu)
 			~(TRANS_DDI_BPC_MASK | TRANS_DDI_MODE_SELECT_MASK |
 			TRANS_DDI_PORT_MASK);
 		vgpu_vreg_t(vgpu, TRANS_DDI_FUNC_CTL(TRANSCODER_A)) |=
-			(TRANS_DDI_BPC_8 | TRANS_DDI_MODE_SELECT_DP_SST |
+			(TRANS_DDI_BPC_8 | TRANS_DDI_MODE_SELECT_DVI |
 			(PORT_D << TRANS_DDI_PORT_SHIFT) |
 			TRANS_DDI_FUNC_ENABLE);
 		if (IS_BROADWELL(dev_priv)) {
diff --git a/drivers/gpu/drm/i915/gvt/gtt.c b/drivers/gpu/drm/i915/gvt/gtt.c
index 23296547da95..4efec8fa6c1d 100644
--- a/drivers/gpu/drm/i915/gvt/gtt.c
+++ b/drivers/gpu/drm/i915/gvt/gtt.c
@@ -1592,6 +1592,7 @@ static struct intel_vgpu_mm *intel_vgpu_create_ggtt_mm(struct intel_vgpu *vgpu)
 		vgpu_free_mm(mm);
 		return ERR_PTR(-ENOMEM);
 	}
+	mm->ggtt_mm.last_partial_off = -1UL;
 
 	return mm;
 }
@@ -1616,6 +1617,7 @@ void _intel_vgpu_mm_release(struct kref *mm_ref)
 		invalidate_ppgtt_mm(mm);
 	} else {
 		vfree(mm->ggtt_mm.virtual_ggtt);
+		mm->ggtt_mm.last_partial_off = -1UL;
 	}
 
 	vgpu_free_mm(mm);
@@ -1868,6 +1870,62 @@ static int emulate_ggtt_mmio_write(struct intel_vgpu *vgpu, unsigned int off,
 	memcpy((void *)&e.val64 + (off & (info->gtt_entry_size - 1)), p_data,
 			bytes);
 
+	/* If ggtt entry size is 8 bytes, and it's split into two 4 bytes
+	 * write, we assume the two 4 bytes writes are consecutive.
+	 * Otherwise, we abort and report error
+	 */
+	if (bytes < info->gtt_entry_size) {
+		if (ggtt_mm->ggtt_mm.last_partial_off == -1UL) {
+			/* the first partial part*/
+			ggtt_mm->ggtt_mm.last_partial_off = off;
+			ggtt_mm->ggtt_mm.last_partial_data = e.val64;
+			return 0;
+		} else if ((g_gtt_index ==
+				(ggtt_mm->ggtt_mm.last_partial_off >>
+				info->gtt_entry_size_shift)) &&
+			(off !=	ggtt_mm->ggtt_mm.last_partial_off)) {
+			/* the second partial part */
+
+			int last_off = ggtt_mm->ggtt_mm.last_partial_off &
+				(info->gtt_entry_size - 1);
+
+			memcpy((void *)&e.val64 + last_off,
+				(void *)&ggtt_mm->ggtt_mm.last_partial_data +
+				last_off, bytes);
+
+			ggtt_mm->ggtt_mm.last_partial_off = -1UL;
+		} else {
+			int last_offset;
+
+			gvt_vgpu_err("failed to populate guest ggtt entry: abnormal ggtt entry write sequence, last_partial_off=%lx, offset=%x, bytes=%d, ggtt entry size=%d\n",
+					ggtt_mm->ggtt_mm.last_partial_off, off,
+					bytes, info->gtt_entry_size);
+
+			/* set host ggtt entry to scratch page and clear
+			 * virtual ggtt entry as not present for last
+			 * partially write offset
+			 */
+			last_offset = ggtt_mm->ggtt_mm.last_partial_off &
+					(~(info->gtt_entry_size - 1));
+
+			ggtt_get_host_entry(ggtt_mm, &m, last_offset);
+			ggtt_invalidate_pte(vgpu, &m);
+			ops->set_pfn(&m, gvt->gtt.scratch_mfn);
+			ops->clear_present(&m);
+			ggtt_set_host_entry(ggtt_mm, &m, last_offset);
+			ggtt_invalidate(gvt->dev_priv);
+
+			ggtt_get_guest_entry(ggtt_mm, &e, last_offset);
+			ops->clear_present(&e);
+			ggtt_set_guest_entry(ggtt_mm, &e, last_offset);
+
+			ggtt_mm->ggtt_mm.last_partial_off = off;
+			ggtt_mm->ggtt_mm.last_partial_data = e.val64;
+
+			return 0;
+		}
+	}
+
 	if (ops->test_present(&e)) {
 		gfn = ops->get_pfn(&e);
 		m = e;
diff --git a/drivers/gpu/drm/i915/gvt/gtt.h b/drivers/gpu/drm/i915/gvt/gtt.h
index 3792f2b7f4ff..97e62647418a 100644
--- a/drivers/gpu/drm/i915/gvt/gtt.h
+++ b/drivers/gpu/drm/i915/gvt/gtt.h
@@ -150,6 +150,8 @@ struct intel_vgpu_mm {
 		} ppgtt_mm;
 		struct {
 			void *virtual_ggtt;
+			unsigned long last_partial_off;
+			u64 last_partial_data;
 		} ggtt_mm;
 	};
 };
diff --git a/drivers/gpu/drm/i915/gvt/gvt.h b/drivers/gpu/drm/i915/gvt/gvt.h
index 05d15a095310..858967daf04b 100644
--- a/drivers/gpu/drm/i915/gvt/gvt.h
+++ b/drivers/gpu/drm/i915/gvt/gvt.h
@@ -268,6 +268,8 @@ struct intel_gvt_mmio {
 #define F_CMD_ACCESSED	(1 << 5)
 /* This reg could be accessed by unaligned address */
 #define F_UNALIGN	(1 << 6)
+/* This reg is saved/restored in context */
+#define F_IN_CTX	(1 << 7)
 
 	struct gvt_mmio_block *mmio_block;
 	unsigned int num_mmio_block;
@@ -639,6 +641,33 @@ static inline bool intel_gvt_mmio_has_mode_mask(
 	return gvt->mmio.mmio_attribute[offset >> 2] & F_MODE_MASK;
 }
 
+/**
+ * intel_gvt_mmio_is_in_ctx - check if a MMIO has in-ctx mask
+ * @gvt: a GVT device
+ * @offset: register offset
+ *
+ * Returns:
+ * True if a MMIO has a in-context mask, false if it isn't.
+ *
+ */
+static inline bool intel_gvt_mmio_is_in_ctx(
+			struct intel_gvt *gvt, unsigned int offset)
+{
+	return gvt->mmio.mmio_attribute[offset >> 2] & F_IN_CTX;
+}
+
+/**
+ * intel_gvt_mmio_set_in_ctx - mask a MMIO in logical context
+ * @gvt: a GVT device
+ * @offset: register offset
+ *
+ */
+static inline void intel_gvt_mmio_set_in_ctx(
+			struct intel_gvt *gvt, unsigned int offset)
+{
+	gvt->mmio.mmio_attribute[offset >> 2] |= F_IN_CTX;
+}
+
 int intel_gvt_debugfs_add_vgpu(struct intel_vgpu *vgpu);
 void intel_gvt_debugfs_remove_vgpu(struct intel_vgpu *vgpu);
 int intel_gvt_debugfs_init(struct intel_gvt *gvt);
diff --git a/drivers/gpu/drm/i915/gvt/handlers.c b/drivers/gpu/drm/i915/gvt/handlers.c
index bcbc47a88a70..8f1caacdc78a 100644
--- a/drivers/gpu/drm/i915/gvt/handlers.c
+++ b/drivers/gpu/drm/i915/gvt/handlers.c
@@ -3046,6 +3046,30 @@ int intel_vgpu_default_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
 }
 
 /**
+ * intel_vgpu_mask_mmio_write - write mask register
+ * @vgpu: a vGPU
+ * @offset: access offset
+ * @p_data: write data buffer
+ * @bytes: access data length
+ *
+ * Returns:
+ * Zero on success, negative error code if failed.
+ */
+int intel_vgpu_mask_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
+		void *p_data, unsigned int bytes)
+{
+	u32 mask, old_vreg;
+
+	old_vreg = vgpu_vreg(vgpu, offset);
+	write_vreg(vgpu, offset, p_data, bytes);
+	mask = vgpu_vreg(vgpu, offset) >> 16;
+	vgpu_vreg(vgpu, offset) = (old_vreg & ~mask) |
+				(vgpu_vreg(vgpu, offset) & mask);
+
+	return 0;
+}
+
+/**
  * intel_gvt_in_force_nonpriv_whitelist - if a mmio is in whitelist to be
  * force-nopriv register
  *
diff --git a/drivers/gpu/drm/i915/gvt/mmio.h b/drivers/gpu/drm/i915/gvt/mmio.h
index 71b620875943..dac8c6401e26 100644
--- a/drivers/gpu/drm/i915/gvt/mmio.h
+++ b/drivers/gpu/drm/i915/gvt/mmio.h
@@ -98,4 +98,6 @@ bool intel_gvt_in_force_nonpriv_whitelist(struct intel_gvt *gvt,
 int intel_vgpu_mmio_reg_rw(struct intel_vgpu *vgpu, unsigned int offset,
 			   void *pdata, unsigned int bytes, bool is_read);
 
+int intel_vgpu_mask_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
+				  void *p_data, unsigned int bytes);
 #endif
diff --git a/drivers/gpu/drm/i915/gvt/mmio_context.c b/drivers/gpu/drm/i915/gvt/mmio_context.c
index 0f949554d118..5ca9caf7552a 100644
--- a/drivers/gpu/drm/i915/gvt/mmio_context.c
+++ b/drivers/gpu/drm/i915/gvt/mmio_context.c
@@ -581,7 +581,9 @@ void intel_gvt_init_engine_mmio_context(struct intel_gvt *gvt)
 
 	for (mmio = gvt->engine_mmio_list.mmio;
 	     i915_mmio_reg_valid(mmio->reg); mmio++) {
-		if (mmio->in_context)
+		if (mmio->in_context) {
 			gvt->engine_mmio_list.ctx_mmio_count[mmio->ring_id]++;
+			intel_gvt_mmio_set_in_ctx(gvt, mmio->reg.reg);
+		}
 	}
 }
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 34c125e2d90c..71e1aa54f774 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -340,14 +340,21 @@ struct drm_i915_file_private {
 
 	unsigned int bsd_engine;
 
-/* Client can have a maximum of 3 contexts banned before
- * it is denied of creating new contexts. As one context
- * ban needs 4 consecutive hangs, and more if there is
- * progress in between, this is a last resort stop gap measure
- * to limit the badly behaving clients access to gpu.
+/*
+ * Every context ban increments per client ban score. Also
+ * hangs in short succession increments ban score. If ban threshold
+ * is reached, client is considered banned and submitting more work
+ * will fail. This is a stop gap measure to limit the badly behaving
+ * clients access to gpu. Note that unbannable contexts never increment
+ * the client ban score.
  */
-#define I915_MAX_CLIENT_CONTEXT_BANS 3
-	atomic_t context_bans;
+#define I915_CLIENT_SCORE_HANG_FAST	1
+#define   I915_CLIENT_FAST_HANG_JIFFIES (60 * HZ)
+#define I915_CLIENT_SCORE_CONTEXT_BAN   3
+#define I915_CLIENT_SCORE_BANNED	9
+	/** ban_score: Accumulated score of all ctx bans and fast hangs. */
+	atomic_t ban_score;
+	unsigned long hang_timestamp;
 };
 
 /* Interface history:
@@ -645,6 +652,7 @@ enum intel_sbi_destination {
 #define QUIRK_BACKLIGHT_PRESENT (1<<3)
 #define QUIRK_PIN_SWIZZLED_PAGES (1<<5)
 #define QUIRK_INCREASE_T12_DELAY (1<<6)
+#define QUIRK_INCREASE_DDI_DISABLED_TIME (1<<7)
 
 struct intel_fbdev;
 struct intel_fbc_work;
@@ -2238,9 +2246,6 @@ static inline struct scatterlist *____sg_next(struct scatterlist *sg)
  **/
 static inline struct scatterlist *__sg_next(struct scatterlist *sg)
 {
-#ifdef CONFIG_DEBUG_SG
-	BUG_ON(sg->sg_magic != SG_MAGIC);
-#endif
 	return sg_is_last(sg) ? NULL : ____sg_next(sg);
 }
 
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 3704f4c0c2c9..17c5097721e8 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -2002,7 +2002,6 @@ int i915_gem_fault(struct vm_fault *vmf)
 	bool write = !!(vmf->flags & FAULT_FLAG_WRITE);
 	struct i915_vma *vma;
 	pgoff_t page_offset;
-	unsigned int flags;
 	int ret;
 
 	/* We don't use vmf->pgoff since that has the fake offset */
@@ -2038,27 +2037,34 @@ int i915_gem_fault(struct vm_fault *vmf)
 		goto err_unlock;
 	}
 
-	/* If the object is smaller than a couple of partial vma, it is
-	 * not worth only creating a single partial vma - we may as well
-	 * clear enough space for the full object.
-	 */
-	flags = PIN_MAPPABLE;
-	if (obj->base.size > 2 * MIN_CHUNK_PAGES << PAGE_SHIFT)
-		flags |= PIN_NONBLOCK | PIN_NONFAULT;
 
 	/* Now pin it into the GTT as needed */
-	vma = i915_gem_object_ggtt_pin(obj, NULL, 0, 0, flags);
+	vma = i915_gem_object_ggtt_pin(obj, NULL, 0, 0,
+				       PIN_MAPPABLE |
+				       PIN_NONBLOCK |
+				       PIN_NONFAULT);
 	if (IS_ERR(vma)) {
 		/* Use a partial view if it is bigger than available space */
 		struct i915_ggtt_view view =
 			compute_partial_view(obj, page_offset, MIN_CHUNK_PAGES);
+		unsigned int flags;
 
-		/* Userspace is now writing through an untracked VMA, abandon
+		flags = PIN_MAPPABLE;
+		if (view.type == I915_GGTT_VIEW_NORMAL)
+			flags |= PIN_NONBLOCK; /* avoid warnings for pinned */
+
+		/*
+		 * Userspace is now writing through an untracked VMA, abandon
 		 * all hope that the hardware is able to track future writes.
 		 */
 		obj->frontbuffer_ggtt_origin = ORIGIN_CPU;
 
-		vma = i915_gem_object_ggtt_pin(obj, &view, 0, 0, PIN_MAPPABLE);
+		vma = i915_gem_object_ggtt_pin(obj, &view, 0, 0, flags);
+		if (IS_ERR(vma) && !view.type) {
+			flags = PIN_MAPPABLE;
+			view.type = I915_GGTT_VIEW_PARTIAL;
+			vma = i915_gem_object_ggtt_pin(obj, &view, 0, 0, flags);
+		}
 	}
 	if (IS_ERR(vma)) {
 		ret = PTR_ERR(vma);
@@ -2933,32 +2939,54 @@ i915_gem_object_pwrite_gtt(struct drm_i915_gem_object *obj,
 	return 0;
 }
 
+static void i915_gem_client_mark_guilty(struct drm_i915_file_private *file_priv,
+					const struct i915_gem_context *ctx)
+{
+	unsigned int score;
+	unsigned long prev_hang;
+
+	if (i915_gem_context_is_banned(ctx))
+		score = I915_CLIENT_SCORE_CONTEXT_BAN;
+	else
+		score = 0;
+
+	prev_hang = xchg(&file_priv->hang_timestamp, jiffies);
+	if (time_before(jiffies, prev_hang + I915_CLIENT_FAST_HANG_JIFFIES))
+		score += I915_CLIENT_SCORE_HANG_FAST;
+
+	if (score) {
+		atomic_add(score, &file_priv->ban_score);
+
+		DRM_DEBUG_DRIVER("client %s: gained %u ban score, now %u\n",
+				 ctx->name, score,
+				 atomic_read(&file_priv->ban_score));
+	}
+}
+
 static void i915_gem_context_mark_guilty(struct i915_gem_context *ctx)
 {
-	bool banned;
+	unsigned int score;
+	bool banned, bannable;
 
 	atomic_inc(&ctx->guilty_count);
 
-	banned = false;
-	if (i915_gem_context_is_bannable(ctx)) {
-		unsigned int score;
+	bannable = i915_gem_context_is_bannable(ctx);
+	score = atomic_add_return(CONTEXT_SCORE_GUILTY, &ctx->ban_score);
+	banned = score >= CONTEXT_SCORE_BAN_THRESHOLD;
 
-		score = atomic_add_return(CONTEXT_SCORE_GUILTY,
-					  &ctx->ban_score);
-		banned = score >= CONTEXT_SCORE_BAN_THRESHOLD;
+	DRM_DEBUG_DRIVER("context %s: guilty %d, score %u, ban %s\n",
+			 ctx->name, atomic_read(&ctx->guilty_count),
+			 score, yesno(banned && bannable));
 
-		DRM_DEBUG_DRIVER("context %s marked guilty (score %d) banned? %s\n",
-				 ctx->name, score, yesno(banned));
-	}
-	if (!banned)
+	/* Cool contexts don't accumulate client ban score */
+	if (!bannable)
 		return;
 
-	i915_gem_context_set_banned(ctx);
-	if (!IS_ERR_OR_NULL(ctx->file_priv)) {
-		atomic_inc(&ctx->file_priv->context_bans);
-		DRM_DEBUG_DRIVER("client %s has had %d context banned\n",
-				 ctx->name, atomic_read(&ctx->file_priv->context_bans));
-	}
+	if (banned)
+		i915_gem_context_set_banned(ctx);
+
+	if (!IS_ERR_OR_NULL(ctx->file_priv))
+		i915_gem_client_mark_guilty(ctx->file_priv, ctx);
 }
 
 static void i915_gem_context_mark_innocent(struct i915_gem_context *ctx)
@@ -5736,6 +5764,7 @@ int i915_gem_open(struct drm_i915_private *i915, struct drm_file *file)
 	INIT_LIST_HEAD(&file_priv->mm.request_list);
 
 	file_priv->bsd_engine = -1;
+	file_priv->hang_timestamp = jiffies;
 
 	ret = i915_gem_context_open(i915, file);
 	if (ret)
diff --git a/drivers/gpu/drm/i915/i915_gem_context.c b/drivers/gpu/drm/i915/i915_gem_context.c
index 33f8a4b3c981..060335d3d9e0 100644
--- a/drivers/gpu/drm/i915/i915_gem_context.c
+++ b/drivers/gpu/drm/i915/i915_gem_context.c
@@ -652,7 +652,7 @@ int i915_gem_switch_to_kernel_context(struct drm_i915_private *dev_priv)
 
 static bool client_is_banned(struct drm_i915_file_private *file_priv)
 {
-	return atomic_read(&file_priv->context_bans) > I915_MAX_CLIENT_CONTEXT_BANS;
+	return atomic_read(&file_priv->ban_score) >= I915_CLIENT_SCORE_BANNED;
 }
 
 int i915_gem_context_create_ioctl(struct drm_device *dev, void *data,
diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
index f627a8c47c58..22df17c8ca9b 100644
--- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c
+++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
@@ -489,7 +489,9 @@ eb_validate_vma(struct i915_execbuffer *eb,
 }
 
 static int
-eb_add_vma(struct i915_execbuffer *eb, unsigned int i, struct i915_vma *vma)
+eb_add_vma(struct i915_execbuffer *eb,
+	   unsigned int i, unsigned batch_idx,
+	   struct i915_vma *vma)
 {
 	struct drm_i915_gem_exec_object2 *entry = &eb->exec[i];
 	int err;
@@ -522,6 +524,24 @@ eb_add_vma(struct i915_execbuffer *eb, unsigned int i, struct i915_vma *vma)
 	eb->flags[i] = entry->flags;
 	vma->exec_flags = &eb->flags[i];
 
+	/*
+	 * SNA is doing fancy tricks with compressing batch buffers, which leads
+	 * to negative relocation deltas. Usually that works out ok since the
+	 * relocate address is still positive, except when the batch is placed
+	 * very low in the GTT. Ensure this doesn't happen.
+	 *
+	 * Note that actual hangs have only been observed on gen7, but for
+	 * paranoia do it everywhere.
+	 */
+	if (i == batch_idx) {
+		if (!(eb->flags[i] & EXEC_OBJECT_PINNED))
+			eb->flags[i] |= __EXEC_OBJECT_NEEDS_BIAS;
+		if (eb->reloc_cache.has_fence)
+			eb->flags[i] |= EXEC_OBJECT_NEEDS_FENCE;
+
+		eb->batch = vma;
+	}
+
 	err = 0;
 	if (eb_pin_vma(eb, entry, vma)) {
 		if (entry->offset != vma->node.start) {
@@ -716,7 +736,7 @@ static int eb_lookup_vmas(struct i915_execbuffer *eb)
 {
 	struct radix_tree_root *handles_vma = &eb->ctx->handles_vma;
 	struct drm_i915_gem_object *obj;
-	unsigned int i;
+	unsigned int i, batch;
 	int err;
 
 	if (unlikely(i915_gem_context_is_closed(eb->ctx)))
@@ -728,6 +748,8 @@ static int eb_lookup_vmas(struct i915_execbuffer *eb)
 	INIT_LIST_HEAD(&eb->relocs);
 	INIT_LIST_HEAD(&eb->unbound);
 
+	batch = eb_batch_index(eb);
+
 	for (i = 0; i < eb->buffer_count; i++) {
 		u32 handle = eb->exec[i].handle;
 		struct i915_lut_handle *lut;
@@ -770,33 +792,16 @@ static int eb_lookup_vmas(struct i915_execbuffer *eb)
 		lut->handle = handle;
 
 add_vma:
-		err = eb_add_vma(eb, i, vma);
+		err = eb_add_vma(eb, i, batch, vma);
 		if (unlikely(err))
 			goto err_vma;
 
 		GEM_BUG_ON(vma != eb->vma[i]);
 		GEM_BUG_ON(vma->exec_flags != &eb->flags[i]);
+		GEM_BUG_ON(drm_mm_node_allocated(&vma->node) &&
+			   eb_vma_misplaced(&eb->exec[i], vma, eb->flags[i]));
 	}
 
-	/* take note of the batch buffer before we might reorder the lists */
-	i = eb_batch_index(eb);
-	eb->batch = eb->vma[i];
-	GEM_BUG_ON(eb->batch->exec_flags != &eb->flags[i]);
-
-	/*
-	 * SNA is doing fancy tricks with compressing batch buffers, which leads
-	 * to negative relocation deltas. Usually that works out ok since the
-	 * relocate address is still positive, except when the batch is placed
-	 * very low in the GTT. Ensure this doesn't happen.
-	 *
-	 * Note that actual hangs have only been observed on gen7, but for
-	 * paranoia do it everywhere.
-	 */
-	if (!(eb->flags[i] & EXEC_OBJECT_PINNED))
-		eb->flags[i] |= __EXEC_OBJECT_NEEDS_BIAS;
-	if (eb->reloc_cache.has_fence)
-		eb->flags[i] |= EXEC_OBJECT_NEEDS_FENCE;
-
 	eb->args->flags |= __EXEC_VALIDATED;
 	return eb_reserve(eb);
 
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index f9bc3aaa90d0..c16cb025755e 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -1893,9 +1893,17 @@ static void i9xx_pipestat_irq_ack(struct drm_i915_private *dev_priv,
 
 		/*
 		 * Clear the PIPE*STAT regs before the IIR
+		 *
+		 * Toggle the enable bits to make sure we get an
+		 * edge in the ISR pipe event bit if we don't clear
+		 * all the enabled status bits. Otherwise the edge
+		 * triggered IIR on i965/g4x wouldn't notice that
+		 * an interrupt is still pending.
 		 */
-		if (pipe_stats[pipe])
-			I915_WRITE(reg, enable_mask | pipe_stats[pipe]);
+		if (pipe_stats[pipe]) {
+			I915_WRITE(reg, pipe_stats[pipe]);
+			I915_WRITE(reg, enable_mask);
+		}
 	}
 	spin_unlock(&dev_priv->irq_lock);
 }
@@ -1990,10 +1998,38 @@ static void valleyview_pipestat_irq_handler(struct drm_i915_private *dev_priv,
 
 static u32 i9xx_hpd_irq_ack(struct drm_i915_private *dev_priv)
 {
-	u32 hotplug_status = I915_READ(PORT_HOTPLUG_STAT);
+	u32 hotplug_status = 0, hotplug_status_mask;
+	int i;
 
-	if (hotplug_status)
+	if (IS_G4X(dev_priv) ||
+	    IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv))
+		hotplug_status_mask = HOTPLUG_INT_STATUS_G4X |
+			DP_AUX_CHANNEL_MASK_INT_STATUS_G4X;
+	else
+		hotplug_status_mask = HOTPLUG_INT_STATUS_I915;
+
+	/*
+	 * We absolutely have to clear all the pending interrupt
+	 * bits in PORT_HOTPLUG_STAT. Otherwise the ISR port
+	 * interrupt bit won't have an edge, and the i965/g4x
+	 * edge triggered IIR will not notice that an interrupt
+	 * is still pending. We can't use PORT_HOTPLUG_EN to
+	 * guarantee the edge as the act of toggling the enable
+	 * bits can itself generate a new hotplug interrupt :(
+	 */
+	for (i = 0; i < 10; i++) {
+		u32 tmp = I915_READ(PORT_HOTPLUG_STAT) & hotplug_status_mask;
+
+		if (tmp == 0)
+			return hotplug_status;
+
+		hotplug_status |= tmp;
 		I915_WRITE(PORT_HOTPLUG_STAT, hotplug_status);
+	}
+
+	WARN_ONCE(1,
+		  "PORT_HOTPLUG_STAT did not clear (0x%08x)\n",
+		  I915_READ(PORT_HOTPLUG_STAT));
 
 	return hotplug_status;
 }
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index f11bb213ec07..7720569f2024 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -2425,12 +2425,17 @@ enum i915_power_well_id {
 #define _3D_CHICKEN	_MMIO(0x2084)
 #define  _3D_CHICKEN_HIZ_PLANE_DISABLE_MSAA_4X_SNB	(1 << 10)
 #define _3D_CHICKEN2	_MMIO(0x208c)
+
+#define FF_SLICE_CHICKEN	_MMIO(0x2088)
+#define  FF_SLICE_CHICKEN_CL_PROVOKING_VERTEX_FIX	(1 << 1)
+
 /* Disables pipelining of read flushes past the SF-WIZ interface.
  * Required on all Ironlake steppings according to the B-Spec, but the
  * particular danger of not doing so is not specified.
  */
 # define _3D_CHICKEN2_WM_READ_PIPELINED			(1 << 14)
 #define _3D_CHICKEN3	_MMIO(0x2090)
+#define  _3D_CHICKEN_SF_PROVOKING_VERTEX_FIX		(1 << 12)
 #define  _3D_CHICKEN_SF_DISABLE_OBJEND_CULL		(1 << 10)
 #define  _3D_CHICKEN3_AA_LINE_QUALITY_FIX_ENABLE	(1 << 5)
 #define  _3D_CHICKEN3_SF_DISABLE_FASTCLIP_CULL		(1 << 5)
diff --git a/drivers/gpu/drm/i915/i915_vma.c b/drivers/gpu/drm/i915/i915_vma.c
index 9324d476e0a7..0531c01c3604 100644
--- a/drivers/gpu/drm/i915/i915_vma.c
+++ b/drivers/gpu/drm/i915/i915_vma.c
@@ -109,7 +109,7 @@ vma_create(struct drm_i915_gem_object *obj,
 						     obj->base.size >> PAGE_SHIFT));
 			vma->size = view->partial.size;
 			vma->size <<= PAGE_SHIFT;
-			GEM_BUG_ON(vma->size >= obj->base.size);
+			GEM_BUG_ON(vma->size > obj->base.size);
 		} else if (view->type == I915_GGTT_VIEW_ROTATED) {
 			vma->size = intel_rotation_info_size(&view->rotated);
 			vma->size <<= PAGE_SHIFT;
diff --git a/drivers/gpu/drm/i915/intel_crt.c b/drivers/gpu/drm/i915/intel_crt.c
index de0e22322c76..072b326d5ee0 100644
--- a/drivers/gpu/drm/i915/intel_crt.c
+++ b/drivers/gpu/drm/i915/intel_crt.c
@@ -304,6 +304,9 @@ intel_crt_mode_valid(struct drm_connector *connector,
 	int max_dotclk = dev_priv->max_dotclk_freq;
 	int max_clock;
 
+	if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
+		return MODE_NO_DBLESCAN;
+
 	if (mode->clock < 25000)
 		return MODE_CLOCK_LOW;
 
@@ -337,6 +340,12 @@ static bool intel_crt_compute_config(struct intel_encoder *encoder,
 				     struct intel_crtc_state *pipe_config,
 				     struct drm_connector_state *conn_state)
 {
+	struct drm_display_mode *adjusted_mode =
+		&pipe_config->base.adjusted_mode;
+
+	if (adjusted_mode->flags & DRM_MODE_FLAG_DBLSCAN)
+		return false;
+
 	return true;
 }
 
@@ -344,6 +353,12 @@ static bool pch_crt_compute_config(struct intel_encoder *encoder,
 				   struct intel_crtc_state *pipe_config,
 				   struct drm_connector_state *conn_state)
 {
+	struct drm_display_mode *adjusted_mode =
+		&pipe_config->base.adjusted_mode;
+
+	if (adjusted_mode->flags & DRM_MODE_FLAG_DBLSCAN)
+		return false;
+
 	pipe_config->has_pch_encoder = true;
 
 	return true;
@@ -354,6 +369,11 @@ static bool hsw_crt_compute_config(struct intel_encoder *encoder,
 				   struct drm_connector_state *conn_state)
 {
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
+	struct drm_display_mode *adjusted_mode =
+		&pipe_config->base.adjusted_mode;
+
+	if (adjusted_mode->flags & DRM_MODE_FLAG_DBLSCAN)
+		return false;
 
 	pipe_config->has_pch_encoder = true;
 
diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c
index f4a8598a2d39..fed26d6e4e27 100644
--- a/drivers/gpu/drm/i915/intel_ddi.c
+++ b/drivers/gpu/drm/i915/intel_ddi.c
@@ -1782,15 +1782,24 @@ void intel_ddi_enable_transcoder_func(const struct intel_crtc_state *crtc_state)
 	I915_WRITE(TRANS_DDI_FUNC_CTL(cpu_transcoder), temp);
 }
 
-void intel_ddi_disable_transcoder_func(struct drm_i915_private *dev_priv,
-				       enum transcoder cpu_transcoder)
+void intel_ddi_disable_transcoder_func(const struct intel_crtc_state *crtc_state)
 {
+	struct intel_crtc *crtc = to_intel_crtc(crtc_state->base.crtc);
+	struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
+	enum transcoder cpu_transcoder = crtc_state->cpu_transcoder;
 	i915_reg_t reg = TRANS_DDI_FUNC_CTL(cpu_transcoder);
 	uint32_t val = I915_READ(reg);
 
 	val &= ~(TRANS_DDI_FUNC_ENABLE | TRANS_DDI_PORT_MASK | TRANS_DDI_DP_VC_PAYLOAD_ALLOC);
 	val |= TRANS_DDI_PORT_NONE;
 	I915_WRITE(reg, val);
+
+	if (dev_priv->quirks & QUIRK_INCREASE_DDI_DISABLED_TIME &&
+	    intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI)) {
+		DRM_DEBUG_KMS("Quirk Increase DDI disabled time\n");
+		/* Quirk time at 100ms for reliable operation */
+		msleep(100);
+	}
 }
 
 int intel_ddi_toggle_hdcp_signalling(struct intel_encoder *intel_encoder,
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index dee3a8e659f1..dec0d60921bf 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -5809,7 +5809,7 @@ static void haswell_crtc_disable(struct intel_crtc_state *old_crtc_state,
 		intel_ddi_set_vc_payload_alloc(intel_crtc->config, false);
 
 	if (!transcoder_is_dsi(cpu_transcoder))
-		intel_ddi_disable_transcoder_func(dev_priv, cpu_transcoder);
+		intel_ddi_disable_transcoder_func(old_crtc_state);
 
 	if (INTEL_GEN(dev_priv) >= 9)
 		skylake_scaler_disable(intel_crtc);
@@ -14469,12 +14469,22 @@ static enum drm_mode_status
 intel_mode_valid(struct drm_device *dev,
 		 const struct drm_display_mode *mode)
 {
+	/*
+	 * Can't reject DBLSCAN here because Xorg ddxen can add piles
+	 * of DBLSCAN modes to the output's mode list when they detect
+	 * the scaling mode property on the connector. And they don't
+	 * ask the kernel to validate those modes in any way until
+	 * modeset time at which point the client gets a protocol error.
+	 * So in order to not upset those clients we silently ignore the
+	 * DBLSCAN flag on such connectors. For other connectors we will
+	 * reject modes with the DBLSCAN flag in encoder->compute_config().
+	 * And we always reject DBLSCAN modes in connector->mode_valid()
+	 * as we never want such modes on the connector's mode list.
+	 */
+
 	if (mode->vscan > 1)
 		return MODE_NO_VSCAN;
 
-	if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
-		return MODE_NO_DBLESCAN;
-
 	if (mode->flags & DRM_MODE_FLAG_HSKEW)
 		return MODE_H_ILLEGAL;
 
@@ -14636,6 +14646,18 @@ static void quirk_increase_t12_delay(struct drm_device *dev)
 	DRM_INFO("Applying T12 delay quirk\n");
 }
 
+/*
+ * GeminiLake NUC HDMI outputs require additional off time
+ * this allows the onboard retimer to correctly sync to signal
+ */
+static void quirk_increase_ddi_disabled_time(struct drm_device *dev)
+{
+	struct drm_i915_private *dev_priv = to_i915(dev);
+
+	dev_priv->quirks |= QUIRK_INCREASE_DDI_DISABLED_TIME;
+	DRM_INFO("Applying Increase DDI Disabled quirk\n");
+}
+
 struct intel_quirk {
 	int device;
 	int subsystem_vendor;
@@ -14722,6 +14744,13 @@ static struct intel_quirk intel_quirks[] = {
 
 	/* Toshiba Satellite P50-C-18C */
 	{ 0x191B, 0x1179, 0xF840, quirk_increase_t12_delay },
+
+	/* GeminiLake NUC */
+	{ 0x3185, 0x8086, 0x2072, quirk_increase_ddi_disabled_time },
+	{ 0x3184, 0x8086, 0x2072, quirk_increase_ddi_disabled_time },
+	/* ASRock ITX*/
+	{ 0x3185, 0x1849, 0x2212, quirk_increase_ddi_disabled_time },
+	{ 0x3184, 0x1849, 0x2212, quirk_increase_ddi_disabled_time },
 };
 
 static void intel_init_quirks(struct drm_device *dev)
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 8320f0e8e3be..16faea30114a 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -420,6 +420,9 @@ intel_dp_mode_valid(struct drm_connector *connector,
 	int max_rate, mode_rate, max_lanes, max_link_clock;
 	int max_dotclk;
 
+	if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
+		return MODE_NO_DBLESCAN;
+
 	max_dotclk = intel_dp_downstream_max_dotclock(intel_dp);
 
 	if (intel_dp_is_edp(intel_dp) && fixed_mode) {
@@ -1862,7 +1865,10 @@ intel_dp_compute_config(struct intel_encoder *encoder,
 						conn_state->scaling_mode);
 	}
 
-	if ((IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) &&
+	if (adjusted_mode->flags & DRM_MODE_FLAG_DBLSCAN)
+		return false;
+
+	if (HAS_GMCH_DISPLAY(dev_priv) &&
 	    adjusted_mode->flags & DRM_MODE_FLAG_INTERLACE)
 		return false;
 
@@ -2784,16 +2790,6 @@ static void g4x_disable_dp(struct intel_encoder *encoder,
 			   const struct drm_connector_state *old_conn_state)
 {
 	intel_disable_dp(encoder, old_crtc_state, old_conn_state);
-
-	/* disable the port before the pipe on g4x */
-	intel_dp_link_down(encoder, old_crtc_state);
-}
-
-static void ilk_disable_dp(struct intel_encoder *encoder,
-			   const struct intel_crtc_state *old_crtc_state,
-			   const struct drm_connector_state *old_conn_state)
-{
-	intel_disable_dp(encoder, old_crtc_state, old_conn_state);
 }
 
 static void vlv_disable_dp(struct intel_encoder *encoder,
@@ -2807,13 +2803,19 @@ static void vlv_disable_dp(struct intel_encoder *encoder,
 	intel_disable_dp(encoder, old_crtc_state, old_conn_state);
 }
 
-static void ilk_post_disable_dp(struct intel_encoder *encoder,
+static void g4x_post_disable_dp(struct intel_encoder *encoder,
 				const struct intel_crtc_state *old_crtc_state,
 				const struct drm_connector_state *old_conn_state)
 {
 	struct intel_dp *intel_dp = enc_to_intel_dp(&encoder->base);
 	enum port port = encoder->port;
 
+	/*
+	 * Bspec does not list a specific disable sequence for g4x DP.
+	 * Follow the ilk+ sequence (disable pipe before the port) for
+	 * g4x DP as it does not suffer from underruns like the normal
+	 * g4x modeset sequence (disable pipe after the port).
+	 */
 	intel_dp_link_down(encoder, old_crtc_state);
 
 	/* Only ilk+ has port A */
@@ -6337,7 +6339,7 @@ intel_dp_init_connector(struct intel_digital_port *intel_dig_port,
 	drm_connector_init(dev, connector, &intel_dp_connector_funcs, type);
 	drm_connector_helper_add(connector, &intel_dp_connector_helper_funcs);
 
-	if (!IS_VALLEYVIEW(dev_priv) && !IS_CHERRYVIEW(dev_priv))
+	if (!HAS_GMCH_DISPLAY(dev_priv))
 		connector->interlace_allowed = true;
 	connector->doublescan_allowed = 0;
 
@@ -6436,15 +6438,11 @@ bool intel_dp_init(struct drm_i915_private *dev_priv,
 		intel_encoder->enable = vlv_enable_dp;
 		intel_encoder->disable = vlv_disable_dp;
 		intel_encoder->post_disable = vlv_post_disable_dp;
-	} else if (INTEL_GEN(dev_priv) >= 5) {
-		intel_encoder->pre_enable = g4x_pre_enable_dp;
-		intel_encoder->enable = g4x_enable_dp;
-		intel_encoder->disable = ilk_disable_dp;
-		intel_encoder->post_disable = ilk_post_disable_dp;
 	} else {
 		intel_encoder->pre_enable = g4x_pre_enable_dp;
 		intel_encoder->enable = g4x_enable_dp;
 		intel_encoder->disable = g4x_disable_dp;
+		intel_encoder->post_disable = g4x_post_disable_dp;
 	}
 
 	intel_dig_port->dp.output_reg = output_reg;
diff --git a/drivers/gpu/drm/i915/intel_dp_mst.c b/drivers/gpu/drm/i915/intel_dp_mst.c
index 9e6956c08688..5890500a3a8b 100644
--- a/drivers/gpu/drm/i915/intel_dp_mst.c
+++ b/drivers/gpu/drm/i915/intel_dp_mst.c
@@ -48,6 +48,9 @@ static bool intel_dp_mst_compute_config(struct intel_encoder *encoder,
 	bool reduce_m_n = drm_dp_has_quirk(&intel_dp->desc,
 					   DP_DPCD_QUIRK_LIMITED_M_N);
 
+	if (adjusted_mode->flags & DRM_MODE_FLAG_DBLSCAN)
+		return false;
+
 	pipe_config->has_pch_encoder = false;
 	bpp = 24;
 	if (intel_dp->compliance.test_data.bpc) {
@@ -366,6 +369,9 @@ intel_dp_mst_mode_valid(struct drm_connector *connector,
 	if (!intel_dp)
 		return MODE_ERROR;
 
+	if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
+		return MODE_NO_DBLESCAN;
+
 	max_link_clock = intel_dp_max_link_rate(intel_dp);
 	max_lanes = intel_dp_max_lane_count(intel_dp);
 
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index 0361130500a6..b8eefbffc77d 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -1388,8 +1388,7 @@ void hsw_fdi_link_train(struct intel_crtc *crtc,
 void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port);
 bool intel_ddi_get_hw_state(struct intel_encoder *encoder, enum pipe *pipe);
 void intel_ddi_enable_transcoder_func(const struct intel_crtc_state *crtc_state);
-void intel_ddi_disable_transcoder_func(struct drm_i915_private *dev_priv,
-				       enum transcoder cpu_transcoder);
+void intel_ddi_disable_transcoder_func(const struct intel_crtc_state *crtc_state);
 void intel_ddi_enable_pipe_clock(const struct intel_crtc_state *crtc_state);
 void intel_ddi_disable_pipe_clock(const  struct intel_crtc_state *crtc_state);
 struct intel_encoder *
diff --git a/drivers/gpu/drm/i915/intel_dsi.c b/drivers/gpu/drm/i915/intel_dsi.c
index cf39ca90d887..f349b3920199 100644
--- a/drivers/gpu/drm/i915/intel_dsi.c
+++ b/drivers/gpu/drm/i915/intel_dsi.c
@@ -326,6 +326,9 @@ static bool intel_dsi_compute_config(struct intel_encoder *encoder,
 						conn_state->scaling_mode);
 	}
 
+	if (adjusted_mode->flags & DRM_MODE_FLAG_DBLSCAN)
+		return false;
+
 	/* DSI uses short packets for sync events, so clear mode flags for DSI */
 	adjusted_mode->flags = 0;
 
@@ -1266,6 +1269,9 @@ intel_dsi_mode_valid(struct drm_connector *connector,
 
 	DRM_DEBUG_KMS("\n");
 
+	if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
+		return MODE_NO_DBLESCAN;
+
 	if (fixed_mode) {
 		if (mode->hdisplay > fixed_mode->hdisplay)
 			return MODE_PANEL;
diff --git a/drivers/gpu/drm/i915/intel_dvo.c b/drivers/gpu/drm/i915/intel_dvo.c
index a70d767313aa..61d908e0df0e 100644
--- a/drivers/gpu/drm/i915/intel_dvo.c
+++ b/drivers/gpu/drm/i915/intel_dvo.c
@@ -219,6 +219,9 @@ intel_dvo_mode_valid(struct drm_connector *connector,
 	int max_dotclk = to_i915(connector->dev)->max_dotclk_freq;
 	int target_clock = mode->clock;
 
+	if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
+		return MODE_NO_DBLESCAN;
+
 	/* XXX: Validate clock range */
 
 	if (fixed_mode) {
@@ -254,6 +257,9 @@ static bool intel_dvo_compute_config(struct intel_encoder *encoder,
 	if (fixed_mode)
 		intel_fixed_panel_mode(fixed_mode, adjusted_mode);
 
+	if (adjusted_mode->flags & DRM_MODE_FLAG_DBLSCAN)
+		return false;
+
 	return true;
 }
 
diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c
index ee929f31f7db..d8cb53ef4351 100644
--- a/drivers/gpu/drm/i915/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/intel_hdmi.c
@@ -1557,6 +1557,9 @@ intel_hdmi_mode_valid(struct drm_connector *connector,
 	bool force_dvi =
 		READ_ONCE(to_intel_digital_connector_state(connector->state)->force_audio) == HDMI_AUDIO_OFF_DVI;
 
+	if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
+		return MODE_NO_DBLESCAN;
+
 	clock = mode->clock;
 
 	if ((mode->flags & DRM_MODE_FLAG_3D_MASK) == DRM_MODE_FLAG_3D_FRAME_PACKING)
@@ -1677,6 +1680,9 @@ bool intel_hdmi_compute_config(struct intel_encoder *encoder,
 	int desired_bpp;
 	bool force_dvi = intel_conn_state->force_audio == HDMI_AUDIO_OFF_DVI;
 
+	if (adjusted_mode->flags & DRM_MODE_FLAG_DBLSCAN)
+		return false;
+
 	pipe_config->has_hdmi_sink = !force_dvi && intel_hdmi->has_hdmi_sink;
 
 	if (pipe_config->has_hdmi_sink)
diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c
index 15434cad5430..7c4c8fb1dae4 100644
--- a/drivers/gpu/drm/i915/intel_lrc.c
+++ b/drivers/gpu/drm/i915/intel_lrc.c
@@ -1545,11 +1545,21 @@ static u32 *gen9_init_indirectctx_bb(struct intel_engine_cs *engine, u32 *batch)
 	/* WaFlushCoherentL3CacheLinesAtContextSwitch:skl,bxt,glk */
 	batch = gen8_emit_flush_coherentl3_wa(engine, batch);
 
+	*batch++ = MI_LOAD_REGISTER_IMM(3);
+
 	/* WaDisableGatherAtSetShaderCommonSlice:skl,bxt,kbl,glk */
-	*batch++ = MI_LOAD_REGISTER_IMM(1);
 	*batch++ = i915_mmio_reg_offset(COMMON_SLICE_CHICKEN2);
 	*batch++ = _MASKED_BIT_DISABLE(
 			GEN9_DISABLE_GATHER_AT_SET_SHADER_COMMON_SLICE);
+
+	/* BSpec: 11391 */
+	*batch++ = i915_mmio_reg_offset(FF_SLICE_CHICKEN);
+	*batch++ = _MASKED_BIT_ENABLE(FF_SLICE_CHICKEN_CL_PROVOKING_VERTEX_FIX);
+
+	/* BSpec: 11299 */
+	*batch++ = i915_mmio_reg_offset(_3D_CHICKEN3);
+	*batch++ = _MASKED_BIT_ENABLE(_3D_CHICKEN_SF_PROVOKING_VERTEX_FIX);
+
 	*batch++ = MI_NOOP;
 
 	/* WaClearSlmSpaceAtContextSwitch:kbl */
@@ -2641,10 +2651,8 @@ static int execlists_context_deferred_alloc(struct i915_gem_context *ctx,
 	context_size += LRC_HEADER_PAGES * PAGE_SIZE;
 
 	ctx_obj = i915_gem_object_create(ctx->i915, context_size);
-	if (IS_ERR(ctx_obj)) {
-		ret = PTR_ERR(ctx_obj);
-		goto error_deref_obj;
-	}
+	if (IS_ERR(ctx_obj))
+		return PTR_ERR(ctx_obj);
 
 	vma = i915_vma_instance(ctx_obj, &ctx->i915->ggtt.base, NULL);
 	if (IS_ERR(vma)) {
diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c
index d278f24ba6ae..48f618dc9abb 100644
--- a/drivers/gpu/drm/i915/intel_lvds.c
+++ b/drivers/gpu/drm/i915/intel_lvds.c
@@ -380,6 +380,8 @@ intel_lvds_mode_valid(struct drm_connector *connector,
 	struct drm_display_mode *fixed_mode = intel_connector->panel.fixed_mode;
 	int max_pixclk = to_i915(connector->dev)->max_dotclk_freq;
 
+	if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
+		return MODE_NO_DBLESCAN;
 	if (mode->hdisplay > fixed_mode->hdisplay)
 		return MODE_PANEL;
 	if (mode->vdisplay > fixed_mode->vdisplay)
@@ -429,6 +431,9 @@ static bool intel_lvds_compute_config(struct intel_encoder *intel_encoder,
 	intel_fixed_panel_mode(intel_connector->panel.fixed_mode,
 			       adjusted_mode);
 
+	if (adjusted_mode->flags & DRM_MODE_FLAG_DBLSCAN)
+		return false;
+
 	if (HAS_PCH_SPLIT(dev_priv)) {
 		pipe_config->has_pch_encoder = true;
 
diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c
index 25005023c243..26975df4e593 100644
--- a/drivers/gpu/drm/i915/intel_sdvo.c
+++ b/drivers/gpu/drm/i915/intel_sdvo.c
@@ -1160,6 +1160,9 @@ static bool intel_sdvo_compute_config(struct intel_encoder *encoder,
 							   adjusted_mode);
 	}
 
+	if (adjusted_mode->flags & DRM_MODE_FLAG_DBLSCAN)
+		return false;
+
 	/*
 	 * Make the CRTC code factor in the SDVO pixel multiplier.  The
 	 * SDVO device will factor out the multiplier during mode_set.
@@ -1621,6 +1624,9 @@ intel_sdvo_mode_valid(struct drm_connector *connector,
 	struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
 	int max_dotclk = to_i915(connector->dev)->max_dotclk_freq;
 
+	if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
+		return MODE_NO_DBLESCAN;
+
 	if (intel_sdvo->pixel_clock_min > mode->clock)
 		return MODE_CLOCK_LOW;
 
diff --git a/drivers/gpu/drm/i915/intel_tv.c b/drivers/gpu/drm/i915/intel_tv.c
index 885fc3809f7f..b55b5c157e38 100644
--- a/drivers/gpu/drm/i915/intel_tv.c
+++ b/drivers/gpu/drm/i915/intel_tv.c
@@ -850,6 +850,9 @@ intel_tv_mode_valid(struct drm_connector *connector,
 	const struct tv_mode *tv_mode = intel_tv_mode_find(connector->state);
 	int max_dotclk = to_i915(connector->dev)->max_dotclk_freq;
 
+	if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
+		return MODE_NO_DBLESCAN;
+
 	if (mode->clock > max_dotclk)
 		return MODE_CLOCK_HIGH;
 
@@ -877,16 +880,21 @@ intel_tv_compute_config(struct intel_encoder *encoder,
 			struct drm_connector_state *conn_state)
 {
 	const struct tv_mode *tv_mode = intel_tv_mode_find(conn_state);
+	struct drm_display_mode *adjusted_mode =
+		&pipe_config->base.adjusted_mode;
 
 	if (!tv_mode)
 		return false;
 
-	pipe_config->base.adjusted_mode.crtc_clock = tv_mode->clock;
+	if (adjusted_mode->flags & DRM_MODE_FLAG_DBLSCAN)
+		return false;
+
+	adjusted_mode->crtc_clock = tv_mode->clock;
 	DRM_DEBUG_KMS("forcing bpc to 8 for TV\n");
 	pipe_config->pipe_bpp = 8*3;
 
 	/* TV has it's own notion of sync and other mode flags, so clear them. */
-	pipe_config->base.adjusted_mode.flags = 0;
+	adjusted_mode->flags = 0;
 
 	/*
 	 * FIXME: We don't check whether the input mode is actually what we want
diff --git a/drivers/gpu/drm/imx/imx-ldb.c b/drivers/gpu/drm/imx/imx-ldb.c
index 56dd7a9a8e25..dd5312b02a8d 100644
--- a/drivers/gpu/drm/imx/imx-ldb.c
+++ b/drivers/gpu/drm/imx/imx-ldb.c
@@ -612,6 +612,9 @@ static int imx_ldb_bind(struct device *dev, struct device *master, void *data)
 		return PTR_ERR(imx_ldb->regmap);
 	}
 
+	/* disable LDB by resetting the control register to POR default */
+	regmap_write(imx_ldb->regmap, IOMUXC_GPR2, 0);
+
 	imx_ldb->dev = dev;
 
 	if (of_id)
@@ -652,14 +655,14 @@ static int imx_ldb_bind(struct device *dev, struct device *master, void *data)
 		if (ret || i < 0 || i > 1)
 			return -EINVAL;
 
+		if (!of_device_is_available(child))
+			continue;
+
 		if (dual && i > 0) {
 			dev_warn(dev, "dual-channel mode, ignoring second output\n");
 			continue;
 		}
 
-		if (!of_device_is_available(child))
-			continue;
-
 		channel = &imx_ldb->channel[i];
 		channel->ldb = imx_ldb;
 		channel->chno = i;
diff --git a/drivers/gpu/drm/meson/meson_drv.c b/drivers/gpu/drm/meson/meson_drv.c
index 32b1a6cdecfc..d3443125e661 100644
--- a/drivers/gpu/drm/meson/meson_drv.c
+++ b/drivers/gpu/drm/meson/meson_drv.c
@@ -197,8 +197,10 @@ static int meson_drv_bind_master(struct device *dev, bool has_components)
 	priv->io_base = regs;
 
 	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "hhi");
-	if (!res)
-		return -EINVAL;
+	if (!res) {
+		ret = -EINVAL;
+		goto free_drm;
+	}
 	/* Simply ioremap since it may be a shared register zone */
 	regs = devm_ioremap(dev, res->start, resource_size(res));
 	if (!regs) {
@@ -215,8 +217,10 @@ static int meson_drv_bind_master(struct device *dev, bool has_components)
 	}
 
 	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "dmc");
-	if (!res)
-		return -EINVAL;
+	if (!res) {
+		ret = -EINVAL;
+		goto free_drm;
+	}
 	/* Simply ioremap since it may be a shared register zone */
 	regs = devm_ioremap(dev, res->start, resource_size(res));
 	if (!regs) {
diff --git a/drivers/gpu/drm/nouveau/dispnv04/disp.c b/drivers/gpu/drm/nouveau/dispnv04/disp.c
index 501d2d290e9c..70dce544984e 100644
--- a/drivers/gpu/drm/nouveau/dispnv04/disp.c
+++ b/drivers/gpu/drm/nouveau/dispnv04/disp.c
@@ -55,6 +55,9 @@ nv04_display_create(struct drm_device *dev)
 	nouveau_display(dev)->init = nv04_display_init;
 	nouveau_display(dev)->fini = nv04_display_fini;
 
+	/* Pre-nv50 doesn't support atomic, so don't expose the ioctls */
+	dev->driver->driver_features &= ~DRIVER_ATOMIC;
+
 	nouveau_hw_save_vga_fonts(dev, 1);
 
 	nv04_crtc_create(dev, 0);
diff --git a/drivers/gpu/drm/nouveau/dispnv50/curs507a.c b/drivers/gpu/drm/nouveau/dispnv50/curs507a.c
index 291c08117ab6..397143b639c6 100644
--- a/drivers/gpu/drm/nouveau/dispnv50/curs507a.c
+++ b/drivers/gpu/drm/nouveau/dispnv50/curs507a.c
@@ -132,7 +132,7 @@ curs507a_new_(const struct nv50_wimm_func *func, struct nouveau_drm *drm,
 
 	nvif_object_map(&wndw->wimm.base.user, NULL, 0);
 	wndw->immd = func;
-	wndw->ctxdma.parent = &disp->core->chan.base.user;
+	wndw->ctxdma.parent = NULL;
 	return 0;
 }
 
diff --git a/drivers/gpu/drm/nouveau/dispnv50/disp.c b/drivers/gpu/drm/nouveau/dispnv50/disp.c
index b83465ae7c1b..9bae4db84cfb 100644
--- a/drivers/gpu/drm/nouveau/dispnv50/disp.c
+++ b/drivers/gpu/drm/nouveau/dispnv50/disp.c
@@ -1585,8 +1585,9 @@ nv50_pior_create(struct drm_connector *connector, struct dcb_output *dcbe)
  *****************************************************************************/
 
 static void
-nv50_disp_atomic_commit_core(struct nouveau_drm *drm, u32 *interlock)
+nv50_disp_atomic_commit_core(struct drm_atomic_state *state, u32 *interlock)
 {
+	struct nouveau_drm *drm = nouveau_drm(state->dev);
 	struct nv50_disp *disp = nv50_disp(drm->dev);
 	struct nv50_core *core = disp->core;
 	struct nv50_mstm *mstm;
@@ -1618,6 +1619,22 @@ nv50_disp_atomic_commit_core(struct nouveau_drm *drm, u32 *interlock)
 }
 
 static void
+nv50_disp_atomic_commit_wndw(struct drm_atomic_state *state, u32 *interlock)
+{
+	struct drm_plane_state *new_plane_state;
+	struct drm_plane *plane;
+	int i;
+
+	for_each_new_plane_in_state(state, plane, new_plane_state, i) {
+		struct nv50_wndw *wndw = nv50_wndw(plane);
+		if (interlock[wndw->interlock.type] & wndw->interlock.data) {
+			if (wndw->func->update)
+				wndw->func->update(wndw, interlock);
+		}
+	}
+}
+
+static void
 nv50_disp_atomic_commit_tail(struct drm_atomic_state *state)
 {
 	struct drm_device *dev = state->dev;
@@ -1684,7 +1701,8 @@ nv50_disp_atomic_commit_tail(struct drm_atomic_state *state)
 			help->disable(encoder);
 			interlock[NV50_DISP_INTERLOCK_CORE] |= 1;
 			if (outp->flush_disable) {
-				nv50_disp_atomic_commit_core(drm, interlock);
+				nv50_disp_atomic_commit_wndw(state, interlock);
+				nv50_disp_atomic_commit_core(state, interlock);
 				memset(interlock, 0x00, sizeof(interlock));
 			}
 		}
@@ -1693,15 +1711,8 @@ nv50_disp_atomic_commit_tail(struct drm_atomic_state *state)
 	/* Flush disable. */
 	if (interlock[NV50_DISP_INTERLOCK_CORE]) {
 		if (atom->flush_disable) {
-			for_each_new_plane_in_state(state, plane, new_plane_state, i) {
-				struct nv50_wndw *wndw = nv50_wndw(plane);
-				if (interlock[wndw->interlock.type] & wndw->interlock.data) {
-					if (wndw->func->update)
-						wndw->func->update(wndw, interlock);
-				}
-			}
-
-			nv50_disp_atomic_commit_core(drm, interlock);
+			nv50_disp_atomic_commit_wndw(state, interlock);
+			nv50_disp_atomic_commit_core(state, interlock);
 			memset(interlock, 0x00, sizeof(interlock));
 		}
 	}
@@ -1762,18 +1773,14 @@ nv50_disp_atomic_commit_tail(struct drm_atomic_state *state)
 	}
 
 	/* Flush update. */
-	for_each_new_plane_in_state(state, plane, new_plane_state, i) {
-		struct nv50_wndw *wndw = nv50_wndw(plane);
-		if (interlock[wndw->interlock.type] & wndw->interlock.data) {
-			if (wndw->func->update)
-				wndw->func->update(wndw, interlock);
-		}
-	}
+	nv50_disp_atomic_commit_wndw(state, interlock);
 
 	if (interlock[NV50_DISP_INTERLOCK_CORE]) {
 		if (interlock[NV50_DISP_INTERLOCK_BASE] ||
+		    interlock[NV50_DISP_INTERLOCK_OVLY] ||
+		    interlock[NV50_DISP_INTERLOCK_WNDW] ||
 		    !atom->state.legacy_cursor_update)
-			nv50_disp_atomic_commit_core(drm, interlock);
+			nv50_disp_atomic_commit_core(state, interlock);
 		else
 			disp->core->func->update(disp->core, interlock, false);
 	}
@@ -1871,7 +1878,7 @@ nv50_disp_atomic_commit(struct drm_device *dev,
 		nv50_disp_atomic_commit_tail(state);
 
 	drm_for_each_crtc(crtc, dev) {
-		if (crtc->state->enable) {
+		if (crtc->state->active) {
 			if (!drm->have_disp_power_ref) {
 				drm->have_disp_power_ref = true;
 				return 0;
@@ -2119,10 +2126,6 @@ nv50_display_destroy(struct drm_device *dev)
 	kfree(disp);
 }
 
-MODULE_PARM_DESC(atomic, "Expose atomic ioctl (default: disabled)");
-static int nouveau_atomic = 0;
-module_param_named(atomic, nouveau_atomic, int, 0400);
-
 int
 nv50_display_create(struct drm_device *dev)
 {
@@ -2147,8 +2150,6 @@ nv50_display_create(struct drm_device *dev)
 	disp->disp = &nouveau_display(dev)->disp;
 	dev->mode_config.funcs = &nv50_disp_func;
 	dev->driver->driver_features |= DRIVER_PREFER_XBGR_30BPP;
-	if (nouveau_atomic)
-		dev->driver->driver_features |= DRIVER_ATOMIC;
 
 	/* small shared memory area we use for notifiers and semaphores */
 	ret = nouveau_bo_new(&drm->client, 4096, 0x1000, TTM_PL_FLAG_VRAM,
diff --git a/drivers/gpu/drm/nouveau/dispnv50/wndw.c b/drivers/gpu/drm/nouveau/dispnv50/wndw.c
index 224963b533a6..c5a9bc1af5af 100644
--- a/drivers/gpu/drm/nouveau/dispnv50/wndw.c
+++ b/drivers/gpu/drm/nouveau/dispnv50/wndw.c
@@ -444,14 +444,17 @@ nv50_wndw_prepare_fb(struct drm_plane *plane, struct drm_plane_state *state)
 	if (ret)
 		return ret;
 
-	ctxdma = nv50_wndw_ctxdma_new(wndw, fb);
-	if (IS_ERR(ctxdma)) {
-		nouveau_bo_unpin(fb->nvbo);
-		return PTR_ERR(ctxdma);
+	if (wndw->ctxdma.parent) {
+		ctxdma = nv50_wndw_ctxdma_new(wndw, fb);
+		if (IS_ERR(ctxdma)) {
+			nouveau_bo_unpin(fb->nvbo);
+			return PTR_ERR(ctxdma);
+		}
+
+		asyw->image.handle[0] = ctxdma->object.handle;
 	}
 
 	asyw->state.fence = reservation_object_get_excl_rcu(fb->nvbo->bo.resv);
-	asyw->image.handle[0] = ctxdma->object.handle;
 	asyw->image.offset[0] = fb->nvbo->bo.offset;
 
 	if (wndw->func->prepare) {
diff --git a/drivers/gpu/drm/nouveau/nouveau_backlight.c b/drivers/gpu/drm/nouveau/nouveau_backlight.c
index debbbf0fd4bd..408b955e5c39 100644
--- a/drivers/gpu/drm/nouveau/nouveau_backlight.c
+++ b/drivers/gpu/drm/nouveau/nouveau_backlight.c
@@ -267,6 +267,7 @@ nouveau_backlight_init(struct drm_device *dev)
 	struct nouveau_drm *drm = nouveau_drm(dev);
 	struct nvif_device *device = &drm->client.device;
 	struct drm_connector *connector;
+	struct drm_connector_list_iter conn_iter;
 
 	INIT_LIST_HEAD(&drm->bl_connectors);
 
@@ -275,7 +276,8 @@ nouveau_backlight_init(struct drm_device *dev)
 		return 0;
 	}
 
-	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
+	drm_connector_list_iter_begin(dev, &conn_iter);
+	drm_for_each_connector_iter(connector, &conn_iter) {
 		if (connector->connector_type != DRM_MODE_CONNECTOR_LVDS &&
 		    connector->connector_type != DRM_MODE_CONNECTOR_eDP)
 			continue;
@@ -292,7 +294,7 @@ nouveau_backlight_init(struct drm_device *dev)
 			break;
 		}
 	}
-
+	drm_connector_list_iter_end(&conn_iter);
 
 	return 0;
 }
diff --git a/drivers/gpu/drm/nouveau/nouveau_connector.c b/drivers/gpu/drm/nouveau/nouveau_connector.c
index 7b557c354307..af68eae4c626 100644
--- a/drivers/gpu/drm/nouveau/nouveau_connector.c
+++ b/drivers/gpu/drm/nouveau/nouveau_connector.c
@@ -1208,14 +1208,19 @@ nouveau_connector_create(struct drm_device *dev, int index)
 	struct nouveau_display *disp = nouveau_display(dev);
 	struct nouveau_connector *nv_connector = NULL;
 	struct drm_connector *connector;
+	struct drm_connector_list_iter conn_iter;
 	int type, ret = 0;
 	bool dummy;
 
-	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
+	drm_connector_list_iter_begin(dev, &conn_iter);
+	nouveau_for_each_non_mst_connector_iter(connector, &conn_iter) {
 		nv_connector = nouveau_connector(connector);
-		if (nv_connector->index == index)
+		if (nv_connector->index == index) {
+			drm_connector_list_iter_end(&conn_iter);
 			return connector;
+		}
 	}
+	drm_connector_list_iter_end(&conn_iter);
 
 	nv_connector = kzalloc(sizeof(*nv_connector), GFP_KERNEL);
 	if (!nv_connector)
diff --git a/drivers/gpu/drm/nouveau/nouveau_connector.h b/drivers/gpu/drm/nouveau/nouveau_connector.h
index a4d1a059bd3d..dc7454e7f19a 100644
--- a/drivers/gpu/drm/nouveau/nouveau_connector.h
+++ b/drivers/gpu/drm/nouveau/nouveau_connector.h
@@ -33,6 +33,7 @@
 #include <drm/drm_encoder.h>
 #include <drm/drm_dp_helper.h>
 #include "nouveau_crtc.h"
+#include "nouveau_encoder.h"
 
 struct nvkm_i2c_port;
 
@@ -60,19 +61,46 @@ static inline struct nouveau_connector *nouveau_connector(
 	return container_of(con, struct nouveau_connector, base);
 }
 
+static inline bool
+nouveau_connector_is_mst(struct drm_connector *connector)
+{
+	const struct nouveau_encoder *nv_encoder;
+	const struct drm_encoder *encoder;
+
+	if (connector->connector_type != DRM_MODE_CONNECTOR_DisplayPort)
+		return false;
+
+	nv_encoder = find_encoder(connector, DCB_OUTPUT_ANY);
+	if (!nv_encoder)
+		return false;
+
+	encoder = &nv_encoder->base.base;
+	return encoder->encoder_type == DRM_MODE_ENCODER_DPMST;
+}
+
+#define nouveau_for_each_non_mst_connector_iter(connector, iter) \
+	drm_for_each_connector_iter(connector, iter) \
+		for_each_if(!nouveau_connector_is_mst(connector))
+
 static inline struct nouveau_connector *
 nouveau_crtc_connector_get(struct nouveau_crtc *nv_crtc)
 {
 	struct drm_device *dev = nv_crtc->base.dev;
 	struct drm_connector *connector;
+	struct drm_connector_list_iter conn_iter;
+	struct nouveau_connector *nv_connector = NULL;
 	struct drm_crtc *crtc = to_drm_crtc(nv_crtc);
 
-	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
-		if (connector->encoder && connector->encoder->crtc == crtc)
-			return nouveau_connector(connector);
+	drm_connector_list_iter_begin(dev, &conn_iter);
+	nouveau_for_each_non_mst_connector_iter(connector, &conn_iter) {
+		if (connector->encoder && connector->encoder->crtc == crtc) {
+			nv_connector = nouveau_connector(connector);
+			break;
+		}
 	}
+	drm_connector_list_iter_end(&conn_iter);
 
-	return NULL;
+	return nv_connector;
 }
 
 struct drm_connector *
diff --git a/drivers/gpu/drm/nouveau/nouveau_display.c b/drivers/gpu/drm/nouveau/nouveau_display.c
index 774b429142bc..ec7861457b84 100644
--- a/drivers/gpu/drm/nouveau/nouveau_display.c
+++ b/drivers/gpu/drm/nouveau/nouveau_display.c
@@ -404,6 +404,7 @@ nouveau_display_init(struct drm_device *dev)
 	struct nouveau_display *disp = nouveau_display(dev);
 	struct nouveau_drm *drm = nouveau_drm(dev);
 	struct drm_connector *connector;
+	struct drm_connector_list_iter conn_iter;
 	int ret;
 
 	ret = disp->init(dev);
@@ -411,10 +412,12 @@ nouveau_display_init(struct drm_device *dev)
 		return ret;
 
 	/* enable hotplug interrupts */
-	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
+	drm_connector_list_iter_begin(dev, &conn_iter);
+	nouveau_for_each_non_mst_connector_iter(connector, &conn_iter) {
 		struct nouveau_connector *conn = nouveau_connector(connector);
 		nvif_notify_get(&conn->hpd);
 	}
+	drm_connector_list_iter_end(&conn_iter);
 
 	/* enable flip completion events */
 	nvif_notify_get(&drm->flip);
@@ -427,6 +430,7 @@ nouveau_display_fini(struct drm_device *dev, bool suspend)
 	struct nouveau_display *disp = nouveau_display(dev);
 	struct nouveau_drm *drm = nouveau_drm(dev);
 	struct drm_connector *connector;
+	struct drm_connector_list_iter conn_iter;
 
 	if (!suspend) {
 		if (drm_drv_uses_atomic_modeset(dev))
@@ -439,10 +443,12 @@ nouveau_display_fini(struct drm_device *dev, bool suspend)
 	nvif_notify_put(&drm->flip);
 
 	/* disable hotplug interrupts */
-	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
+	drm_connector_list_iter_begin(dev, &conn_iter);
+	nouveau_for_each_non_mst_connector_iter(connector, &conn_iter) {
 		struct nouveau_connector *conn = nouveau_connector(connector);
 		nvif_notify_put(&conn->hpd);
 	}
+	drm_connector_list_iter_end(&conn_iter);
 
 	drm_kms_helper_poll_disable(dev);
 	disp->fini(dev);
diff --git a/drivers/gpu/drm/nouveau/nouveau_drm.c b/drivers/gpu/drm/nouveau/nouveau_drm.c
index 775443c9af94..f5d3158f0378 100644
--- a/drivers/gpu/drm/nouveau/nouveau_drm.c
+++ b/drivers/gpu/drm/nouveau/nouveau_drm.c
@@ -81,6 +81,10 @@ MODULE_PARM_DESC(modeset, "enable driver (default: auto, "
 int nouveau_modeset = -1;
 module_param_named(modeset, nouveau_modeset, int, 0400);
 
+MODULE_PARM_DESC(atomic, "Expose atomic ioctl (default: disabled)");
+static int nouveau_atomic = 0;
+module_param_named(atomic, nouveau_atomic, int, 0400);
+
 MODULE_PARM_DESC(runpm, "disable (0), force enable (1), optimus only default (-1)");
 static int nouveau_runtime_pm = -1;
 module_param_named(runpm, nouveau_runtime_pm, int, 0400);
@@ -509,6 +513,9 @@ static int nouveau_drm_probe(struct pci_dev *pdev,
 
 	pci_set_master(pdev);
 
+	if (nouveau_atomic)
+		driver_pci.driver_features |= DRIVER_ATOMIC;
+
 	ret = drm_get_pci_dev(pdev, pent, &driver_pci);
 	if (ret) {
 		nvkm_device_del(&device);
@@ -874,22 +881,11 @@ nouveau_pmops_runtime_resume(struct device *dev)
 static int
 nouveau_pmops_runtime_idle(struct device *dev)
 {
-	struct pci_dev *pdev = to_pci_dev(dev);
-	struct drm_device *drm_dev = pci_get_drvdata(pdev);
-	struct nouveau_drm *drm = nouveau_drm(drm_dev);
-	struct drm_crtc *crtc;
-
 	if (!nouveau_pmops_runtime()) {
 		pm_runtime_forbid(dev);
 		return -EBUSY;
 	}
 
-	list_for_each_entry(crtc, &drm->dev->mode_config.crtc_list, head) {
-		if (crtc->enabled) {
-			DRM_DEBUG_DRIVER("failing to power off - crtc active\n");
-			return -EBUSY;
-		}
-	}
 	pm_runtime_mark_last_busy(dev);
 	pm_runtime_autosuspend(dev);
 	/* we don't want the main rpm_idle to call suspend - we want to autosuspend */
diff --git a/drivers/gpu/drm/nouveau/nouveau_gem.c b/drivers/gpu/drm/nouveau/nouveau_gem.c
index 300daee74209..e6ccafcb9c41 100644
--- a/drivers/gpu/drm/nouveau/nouveau_gem.c
+++ b/drivers/gpu/drm/nouveau/nouveau_gem.c
@@ -616,7 +616,7 @@ nouveau_gem_pushbuf_reloc_apply(struct nouveau_cli *cli,
 		struct nouveau_bo *nvbo;
 		uint32_t data;
 
-		if (unlikely(r->bo_index > req->nr_buffers)) {
+		if (unlikely(r->bo_index >= req->nr_buffers)) {
 			NV_PRINTK(err, cli, "reloc bo index invalid\n");
 			ret = -EINVAL;
 			break;
@@ -626,7 +626,7 @@ nouveau_gem_pushbuf_reloc_apply(struct nouveau_cli *cli,
 		if (b->presumed.valid)
 			continue;
 
-		if (unlikely(r->reloc_bo_index > req->nr_buffers)) {
+		if (unlikely(r->reloc_bo_index >= req->nr_buffers)) {
 			NV_PRINTK(err, cli, "reloc container bo index invalid\n");
 			ret = -EINVAL;
 			break;
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/base.c b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/base.c
index 73b5d46104bd..434d2fc5bb1c 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/base.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/base.c
@@ -140,6 +140,9 @@ nvkm_fb_init(struct nvkm_subdev *subdev)
 	if (fb->func->init)
 		fb->func->init(fb);
 
+	if (fb->func->init_remapper)
+		fb->func->init_remapper(fb);
+
 	if (fb->func->init_page) {
 		ret = fb->func->init_page(fb);
 		if (WARN_ON(ret))
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/gp100.c b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/gp100.c
index dffe1f5e1071..8205ce436b3e 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/gp100.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/gp100.c
@@ -37,6 +37,14 @@ gp100_fb_init_unkn(struct nvkm_fb *base)
 }
 
 void
+gp100_fb_init_remapper(struct nvkm_fb *fb)
+{
+	struct nvkm_device *device = fb->subdev.device;
+	/* Disable address remapper. */
+	nvkm_mask(device, 0x100c14, 0x00040000, 0x00000000);
+}
+
+void
 gp100_fb_init(struct nvkm_fb *base)
 {
 	struct gf100_fb *fb = gf100_fb(base);
@@ -56,6 +64,7 @@ gp100_fb = {
 	.dtor = gf100_fb_dtor,
 	.oneinit = gf100_fb_oneinit,
 	.init = gp100_fb_init,
+	.init_remapper = gp100_fb_init_remapper,
 	.init_page = gm200_fb_init_page,
 	.init_unkn = gp100_fb_init_unkn,
 	.ram_new = gp100_ram_new,
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/gp102.c b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/gp102.c
index b84b9861ef26..b4d74e815674 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/gp102.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/gp102.c
@@ -31,6 +31,7 @@ gp102_fb = {
 	.dtor = gf100_fb_dtor,
 	.oneinit = gf100_fb_oneinit,
 	.init = gp100_fb_init,
+	.init_remapper = gp100_fb_init_remapper,
 	.init_page = gm200_fb_init_page,
 	.ram_new = gp100_ram_new,
 };
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/priv.h b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/priv.h
index 2857f31466bf..1e4ad61c19e1 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/priv.h
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/priv.h
@@ -11,6 +11,7 @@ struct nvkm_fb_func {
 	u32 (*tags)(struct nvkm_fb *);
 	int (*oneinit)(struct nvkm_fb *);
 	void (*init)(struct nvkm_fb *);
+	void (*init_remapper)(struct nvkm_fb *);
 	int (*init_page)(struct nvkm_fb *);
 	void (*init_unkn)(struct nvkm_fb *);
 	void (*intr)(struct nvkm_fb *);
@@ -69,5 +70,6 @@ int gf100_fb_init_page(struct nvkm_fb *);
 
 int gm200_fb_init_page(struct nvkm_fb *);
 
+void gp100_fb_init_remapper(struct nvkm_fb *);
 void gp100_fb_init_unkn(struct nvkm_fb *);
 #endif
diff --git a/drivers/gpu/drm/qxl/qxl_display.c b/drivers/gpu/drm/qxl/qxl_display.c
index b8cda9449241..768207fbbae3 100644
--- a/drivers/gpu/drm/qxl/qxl_display.c
+++ b/drivers/gpu/drm/qxl/qxl_display.c
@@ -623,7 +623,7 @@ static void qxl_cursor_atomic_update(struct drm_plane *plane,
 	struct qxl_cursor_cmd *cmd;
 	struct qxl_cursor *cursor;
 	struct drm_gem_object *obj;
-	struct qxl_bo *cursor_bo = NULL, *user_bo = NULL;
+	struct qxl_bo *cursor_bo = NULL, *user_bo = NULL, *old_cursor_bo = NULL;
 	int ret;
 	void *user_ptr;
 	int size = 64*64*4;
@@ -677,7 +677,7 @@ static void qxl_cursor_atomic_update(struct drm_plane *plane,
 							   cursor_bo, 0);
 		cmd->type = QXL_CURSOR_SET;
 
-		qxl_bo_unref(&qcrtc->cursor_bo);
+		old_cursor_bo = qcrtc->cursor_bo;
 		qcrtc->cursor_bo = cursor_bo;
 		cursor_bo = NULL;
 	} else {
@@ -697,6 +697,9 @@ static void qxl_cursor_atomic_update(struct drm_plane *plane,
 	qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false);
 	qxl_release_fence_buffer_objects(release);
 
+	if (old_cursor_bo)
+		qxl_bo_unref(&old_cursor_bo);
+
 	qxl_bo_unref(&cursor_bo);
 
 	return;
diff --git a/drivers/gpu/drm/sun4i/Makefile b/drivers/gpu/drm/sun4i/Makefile
index 2589f4acd5ae..9c81301d0eed 100644
--- a/drivers/gpu/drm/sun4i/Makefile
+++ b/drivers/gpu/drm/sun4i/Makefile
@@ -32,7 +32,10 @@ obj-$(CONFIG_DRM_SUN4I)		+= sun4i-tcon.o
 obj-$(CONFIG_DRM_SUN4I)		+= sun4i_tv.o
 obj-$(CONFIG_DRM_SUN4I)		+= sun6i_drc.o
 
-obj-$(CONFIG_DRM_SUN4I_BACKEND)	+= sun4i-backend.o sun4i-frontend.o
+obj-$(CONFIG_DRM_SUN4I_BACKEND)	+= sun4i-backend.o
+ifdef CONFIG_DRM_SUN4I_BACKEND
+obj-$(CONFIG_DRM_SUN4I)		+= sun4i-frontend.o
+endif
 obj-$(CONFIG_DRM_SUN4I_HDMI)	+= sun4i-drm-hdmi.o
 obj-$(CONFIG_DRM_SUN6I_DSI)	+= sun6i-dsi.o
 obj-$(CONFIG_DRM_SUN8I_DW_HDMI)	+= sun8i-drm-hdmi.o
diff --git a/drivers/gpu/drm/sun4i/sun4i_tcon.c b/drivers/gpu/drm/sun4i/sun4i_tcon.c
index 08747fc3ee71..8232b39e16ca 100644
--- a/drivers/gpu/drm/sun4i/sun4i_tcon.c
+++ b/drivers/gpu/drm/sun4i/sun4i_tcon.c
@@ -17,7 +17,6 @@
 #include <drm/drm_encoder.h>
 #include <drm/drm_modes.h>
 #include <drm/drm_of.h>
-#include <drm/drm_panel.h>
 
 #include <uapi/drm/drm_mode.h>
 
@@ -418,9 +417,6 @@ static void sun4i_tcon0_mode_set_lvds(struct sun4i_tcon *tcon,
 static void sun4i_tcon0_mode_set_rgb(struct sun4i_tcon *tcon,
 				     const struct drm_display_mode *mode)
 {
-	struct drm_panel *panel = tcon->panel;
-	struct drm_connector *connector = panel->connector;
-	struct drm_display_info display_info = connector->display_info;
 	unsigned int bp, hsync, vsync;
 	u8 clk_delay;
 	u32 val = 0;
@@ -478,27 +474,6 @@ static void sun4i_tcon0_mode_set_rgb(struct sun4i_tcon *tcon,
 	if (mode->flags & DRM_MODE_FLAG_PVSYNC)
 		val |= SUN4I_TCON0_IO_POL_VSYNC_POSITIVE;
 
-	/*
-	 * On A20 and similar SoCs, the only way to achieve Positive Edge
-	 * (Rising Edge), is setting dclk clock phase to 2/3(240°).
-	 * By default TCON works in Negative Edge(Falling Edge),
-	 * this is why phase is set to 0 in that case.
-	 * Unfortunately there's no way to logically invert dclk through
-	 * IO_POL register.
-	 * The only acceptable way to work, triple checked with scope,
-	 * is using clock phase set to 0° for Negative Edge and set to 240°
-	 * for Positive Edge.
-	 * On A33 and similar SoCs there would be a 90° phase option,
-	 * but it divides also dclk by 2.
-	 * Following code is a way to avoid quirks all around TCON
-	 * and DOTCLOCK drivers.
-	 */
-	if (display_info.bus_flags & DRM_BUS_FLAG_PIXDATA_POSEDGE)
-		clk_set_phase(tcon->dclk, 240);
-
-	if (display_info.bus_flags & DRM_BUS_FLAG_PIXDATA_NEGEDGE)
-		clk_set_phase(tcon->dclk, 0);
-
 	regmap_update_bits(tcon->regs, SUN4I_TCON0_IO_POL_REG,
 			   SUN4I_TCON0_IO_POL_HSYNC_POSITIVE | SUN4I_TCON0_IO_POL_VSYNC_POSITIVE,
 			   val);
diff --git a/drivers/gpu/drm/tegra/drm.c b/drivers/gpu/drm/tegra/drm.c
index 776c1513e582..a2bd5876c633 100644
--- a/drivers/gpu/drm/tegra/drm.c
+++ b/drivers/gpu/drm/tegra/drm.c
@@ -398,7 +398,7 @@ int tegra_drm_submit(struct tegra_drm_context *context,
 		 * unaligned offset is malformed and cause commands stream
 		 * corruption on the buffer address relocation.
 		 */
-		if (offset & 3 || offset >= obj->gem.size) {
+		if (offset & 3 || offset > obj->gem.size) {
 			err = -EINVAL;
 			goto fail;
 		}
diff --git a/drivers/gpu/drm/udl/udl_fb.c b/drivers/gpu/drm/udl/udl_fb.c
index 2ebdc6d5a76e..d5583190f3e4 100644
--- a/drivers/gpu/drm/udl/udl_fb.c
+++ b/drivers/gpu/drm/udl/udl_fb.c
@@ -137,7 +137,10 @@ int udl_handle_damage(struct udl_framebuffer *fb, int x, int y,
 
 	if (cmd > (char *) urb->transfer_buffer) {
 		/* Send partial buffer remaining before exiting */
-		int len = cmd - (char *) urb->transfer_buffer;
+		int len;
+		if (cmd < (char *) urb->transfer_buffer + urb->transfer_buffer_length)
+			*cmd++ = 0xAF;
+		len = cmd - (char *) urb->transfer_buffer;
 		ret = udl_submit_urb(dev, urb, len);
 		bytes_sent += len;
 	} else
diff --git a/drivers/gpu/drm/udl/udl_transfer.c b/drivers/gpu/drm/udl/udl_transfer.c
index 0c87b1ac6b68..b992644c17e6 100644
--- a/drivers/gpu/drm/udl/udl_transfer.c
+++ b/drivers/gpu/drm/udl/udl_transfer.c
@@ -153,11 +153,11 @@ static void udl_compress_hline16(
 		raw_pixels_count_byte = cmd++; /*  we'll know this later */
 		raw_pixel_start = pixel;
 
-		cmd_pixel_end = pixel + (min(MAX_CMD_PIXELS + 1,
-			min((int)(pixel_end - pixel) / bpp,
-			    (int)(cmd_buffer_end - cmd) / 2))) * bpp;
+		cmd_pixel_end = pixel + min3(MAX_CMD_PIXELS + 1UL,
+					(unsigned long)(pixel_end - pixel) / bpp,
+					(unsigned long)(cmd_buffer_end - 1 - cmd) / 2) * bpp;
 
-		prefetch_range((void *) pixel, (cmd_pixel_end - pixel) * bpp);
+		prefetch_range((void *) pixel, cmd_pixel_end - pixel);
 		pixel_val16 = get_pixel_val16(pixel, bpp);
 
 		while (pixel < cmd_pixel_end) {
@@ -193,6 +193,9 @@ static void udl_compress_hline16(
 		if (pixel > raw_pixel_start) {
 			/* finalize last RAW span */
 			*raw_pixels_count_byte = ((pixel-raw_pixel_start) / bpp) & 0xFF;
+		} else {
+			/* undo unused byte */
+			cmd--;
 		}
 
 		*cmd_pixels_count_byte = ((pixel - cmd_pixel_start) / bpp) & 0xFF;
diff --git a/drivers/gpu/host1x/dev.c b/drivers/gpu/host1x/dev.c
index f1d5f76e9c33..d88073e7d22d 100644
--- a/drivers/gpu/host1x/dev.c
+++ b/drivers/gpu/host1x/dev.c
@@ -218,6 +218,9 @@ static int host1x_probe(struct platform_device *pdev)
 		return err;
 	}
 
+	if (IS_ENABLED(CONFIG_TEGRA_HOST1X_FIREWALL))
+		goto skip_iommu;
+
 	host->group = iommu_group_get(&pdev->dev);
 	if (host->group) {
 		struct iommu_domain_geometry *geometry;
diff --git a/drivers/gpu/host1x/job.c b/drivers/gpu/host1x/job.c
index e2f4a4d93d20..527a1cddb14f 100644
--- a/drivers/gpu/host1x/job.c
+++ b/drivers/gpu/host1x/job.c
@@ -569,7 +569,8 @@ void host1x_job_unpin(struct host1x_job *job)
 	for (i = 0; i < job->num_unpins; i++) {
 		struct host1x_job_unpin_data *unpin = &job->unpins[i];
 
-		if (!IS_ENABLED(CONFIG_TEGRA_HOST1X_FIREWALL) && host->domain) {
+		if (!IS_ENABLED(CONFIG_TEGRA_HOST1X_FIREWALL) &&
+		    unpin->size && host->domain) {
 			iommu_unmap(host->domain, job->addr_phys[i],
 				    unpin->size);
 			free_iova(&host->iova,
diff --git a/drivers/gpu/ipu-v3/ipu-csi.c b/drivers/gpu/ipu-v3/ipu-csi.c
index caa05b0702e1..5450a2db1219 100644
--- a/drivers/gpu/ipu-v3/ipu-csi.c
+++ b/drivers/gpu/ipu-v3/ipu-csi.c
@@ -339,7 +339,8 @@ static void fill_csi_bus_cfg(struct ipu_csi_bus_config *csicfg,
 		break;
 	case V4L2_MBUS_BT656:
 		csicfg->ext_vsync = 0;
-		if (V4L2_FIELD_HAS_BOTH(mbus_fmt->field))
+		if (V4L2_FIELD_HAS_BOTH(mbus_fmt->field) ||
+		    mbus_fmt->field == V4L2_FIELD_ALTERNATE)
 			csicfg->clk_mode = IPU_CSI_CLK_MODE_CCIR656_INTERLACED;
 		else
 			csicfg->clk_mode = IPU_CSI_CLK_MODE_CCIR656_PROGRESSIVE;
diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index f858cc72011d..3942ee61bd1c 100644
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -1952,6 +1952,8 @@ static int hid_device_probe(struct device *dev)
 	}
 	hdev->io_started = false;
 
+	clear_bit(ffs(HID_STAT_REPROBED), &hdev->status);
+
 	if (!hdev->driver) {
 		id = hid_match_device(hdev, hdrv);
 		if (id == NULL) {
@@ -2215,7 +2217,8 @@ static int __hid_bus_reprobe_drivers(struct device *dev, void *data)
 	struct hid_device *hdev = to_hid_device(dev);
 
 	if (hdev->driver == hdrv &&
-	    !hdrv->match(hdev, hid_ignore_special_drivers))
+	    !hdrv->match(hdev, hid_ignore_special_drivers) &&
+	    !test_and_set_bit(ffs(HID_STAT_REPROBED), &hdev->status))
 		return device_reprobe(dev);
 
 	return 0;
diff --git a/drivers/hid/hid-debug.c b/drivers/hid/hid-debug.c
index 8469b6964ff6..b48100236df8 100644
--- a/drivers/hid/hid-debug.c
+++ b/drivers/hid/hid-debug.c
@@ -1154,6 +1154,8 @@ copy_rest:
 			goto out;
 		if (list->tail > list->head) {
 			len = list->tail - list->head;
+			if (len > count)
+				len = count;
 
 			if (copy_to_user(buffer + ret, &list->hid_debug_buf[list->head], len)) {
 				ret = -EFAULT;
@@ -1163,6 +1165,8 @@ copy_rest:
 			list->head += len;
 		} else {
 			len = HID_DEBUG_BUFSIZE - list->head;
+			if (len > count)
+				len = count;
 
 			if (copy_to_user(buffer, &list->hid_debug_buf[list->head], len)) {
 				ret = -EFAULT;
@@ -1170,7 +1174,9 @@ copy_rest:
 			}
 			list->head = 0;
 			ret += len;
-			goto copy_rest;
+			count -= len;
+			if (count > 0)
+				goto copy_rest;
 		}
 
 	}
diff --git a/drivers/hid/hid-google-hammer.c b/drivers/hid/hid-google-hammer.c
index 7b8e17b03cb8..6bf4da7ad63a 100644
--- a/drivers/hid/hid-google-hammer.c
+++ b/drivers/hid/hid-google-hammer.c
@@ -124,6 +124,8 @@ static const struct hid_device_id hammer_devices[] = {
 		     USB_VENDOR_ID_GOOGLE, USB_DEVICE_ID_GOOGLE_STAFF) },
 	{ HID_DEVICE(BUS_USB, HID_GROUP_GENERIC,
 		     USB_VENDOR_ID_GOOGLE, USB_DEVICE_ID_GOOGLE_WAND) },
+	{ HID_DEVICE(BUS_USB, HID_GROUP_GENERIC,
+		     USB_VENDOR_ID_GOOGLE, USB_DEVICE_ID_GOOGLE_WHISKERS) },
 	{ }
 };
 MODULE_DEVICE_TABLE(hid, hammer_devices);
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index a85634fe033f..c7981ddd8776 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -452,6 +452,7 @@
 #define USB_DEVICE_ID_GOOGLE_TOUCH_ROSE	0x5028
 #define USB_DEVICE_ID_GOOGLE_STAFF	0x502b
 #define USB_DEVICE_ID_GOOGLE_WAND	0x502d
+#define USB_DEVICE_ID_GOOGLE_WHISKERS	0x5030
 
 #define USB_VENDOR_ID_GOTOP		0x08f2
 #define USB_DEVICE_ID_SUPER_Q2		0x007f
diff --git a/drivers/hid/hid-steam.c b/drivers/hid/hid-steam.c
index cb86cc834201..0422ec2b13d2 100644
--- a/drivers/hid/hid-steam.c
+++ b/drivers/hid/hid-steam.c
@@ -573,7 +573,7 @@ static bool steam_is_valve_interface(struct hid_device *hdev)
 
 static int steam_client_ll_parse(struct hid_device *hdev)
 {
-	struct steam_device *steam = hid_get_drvdata(hdev);
+	struct steam_device *steam = hdev->driver_data;
 
 	return hid_parse_report(hdev, steam->hdev->dev_rdesc,
 			steam->hdev->dev_rsize);
@@ -590,7 +590,7 @@ static void steam_client_ll_stop(struct hid_device *hdev)
 
 static int steam_client_ll_open(struct hid_device *hdev)
 {
-	struct steam_device *steam = hid_get_drvdata(hdev);
+	struct steam_device *steam = hdev->driver_data;
 	int ret;
 
 	ret = hid_hw_open(steam->hdev);
@@ -605,7 +605,7 @@ static int steam_client_ll_open(struct hid_device *hdev)
 
 static void steam_client_ll_close(struct hid_device *hdev)
 {
-	struct steam_device *steam = hid_get_drvdata(hdev);
+	struct steam_device *steam = hdev->driver_data;
 
 	mutex_lock(&steam->mutex);
 	steam->client_opened = false;
@@ -623,7 +623,7 @@ static int steam_client_ll_raw_request(struct hid_device *hdev,
 				size_t count, unsigned char report_type,
 				int reqtype)
 {
-	struct steam_device *steam = hid_get_drvdata(hdev);
+	struct steam_device *steam = hdev->driver_data;
 
 	return hid_hw_raw_request(steam->hdev, reportnum, buf, count,
 			report_type, reqtype);
@@ -710,7 +710,7 @@ static int steam_probe(struct hid_device *hdev,
 		ret = PTR_ERR(steam->client_hdev);
 		goto client_hdev_fail;
 	}
-	hid_set_drvdata(steam->client_hdev, steam);
+	steam->client_hdev->driver_data = steam;
 
 	/*
 	 * With the real steam controller interface, do not connect hidraw.
diff --git a/drivers/hid/i2c-hid/i2c-hid.c b/drivers/hid/i2c-hid/i2c-hid.c
index c1652bb7bd15..eae0cb3ddec6 100644
--- a/drivers/hid/i2c-hid/i2c-hid.c
+++ b/drivers/hid/i2c-hid/i2c-hid.c
@@ -484,7 +484,7 @@ static void i2c_hid_get_input(struct i2c_hid *ihid)
 		return;
 	}
 
-	if ((ret_size > size) || (ret_size <= 2)) {
+	if ((ret_size > size) || (ret_size < 2)) {
 		dev_err(&ihid->client->dev, "%s: incomplete report (%d/%d)\n",
 			__func__, size, ret_size);
 		return;
diff --git a/drivers/hid/intel-ish-hid/ipc/pci-ish.c b/drivers/hid/intel-ish-hid/ipc/pci-ish.c
index 582e449be9fe..a2c53ea3b5ed 100644
--- a/drivers/hid/intel-ish-hid/ipc/pci-ish.c
+++ b/drivers/hid/intel-ish-hid/ipc/pci-ish.c
@@ -205,8 +205,7 @@ static void ish_remove(struct pci_dev *pdev)
 	kfree(ishtp_dev);
 }
 
-#ifdef CONFIG_PM
-static struct device *ish_resume_device;
+static struct device __maybe_unused *ish_resume_device;
 
 /* 50ms to get resume response */
 #define WAIT_FOR_RESUME_ACK_MS		50
@@ -220,7 +219,7 @@ static struct device *ish_resume_device;
  * in that case a simple resume message is enough, others we need
  * a reset sequence.
  */
-static void ish_resume_handler(struct work_struct *work)
+static void __maybe_unused ish_resume_handler(struct work_struct *work)
 {
 	struct pci_dev *pdev = to_pci_dev(ish_resume_device);
 	struct ishtp_device *dev = pci_get_drvdata(pdev);
@@ -262,7 +261,7 @@ static void ish_resume_handler(struct work_struct *work)
  *
  * Return: 0 to the pm core
  */
-static int ish_suspend(struct device *device)
+static int __maybe_unused ish_suspend(struct device *device)
 {
 	struct pci_dev *pdev = to_pci_dev(device);
 	struct ishtp_device *dev = pci_get_drvdata(pdev);
@@ -288,7 +287,7 @@ static int ish_suspend(struct device *device)
 	return 0;
 }
 
-static DECLARE_WORK(resume_work, ish_resume_handler);
+static __maybe_unused DECLARE_WORK(resume_work, ish_resume_handler);
 /**
  * ish_resume() - ISH resume callback
  * @device:	device pointer
@@ -297,7 +296,7 @@ static DECLARE_WORK(resume_work, ish_resume_handler);
  *
  * Return: 0 to the pm core
  */
-static int ish_resume(struct device *device)
+static int __maybe_unused ish_resume(struct device *device)
 {
 	struct pci_dev *pdev = to_pci_dev(device);
 	struct ishtp_device *dev = pci_get_drvdata(pdev);
@@ -311,21 +310,14 @@ static int ish_resume(struct device *device)
 	return 0;
 }
 
-static const struct dev_pm_ops ish_pm_ops = {
-	.suspend = ish_suspend,
-	.resume = ish_resume,
-};
-#define ISHTP_ISH_PM_OPS	(&ish_pm_ops)
-#else
-#define ISHTP_ISH_PM_OPS	NULL
-#endif /* CONFIG_PM */
+static SIMPLE_DEV_PM_OPS(ish_pm_ops, ish_suspend, ish_resume);
 
 static struct pci_driver ish_driver = {
 	.name = KBUILD_MODNAME,
 	.id_table = ish_pci_tbl,
 	.probe = ish_probe,
 	.remove = ish_remove,
-	.driver.pm = ISHTP_ISH_PM_OPS,
+	.driver.pm = &ish_pm_ops,
 };
 
 module_pci_driver(ish_driver);
diff --git a/drivers/hid/usbhid/hiddev.c b/drivers/hid/usbhid/hiddev.c
index e3ce233f8bdc..23872d08308c 100644
--- a/drivers/hid/usbhid/hiddev.c
+++ b/drivers/hid/usbhid/hiddev.c
@@ -36,6 +36,7 @@
 #include <linux/hiddev.h>
 #include <linux/compat.h>
 #include <linux/vmalloc.h>
+#include <linux/nospec.h>
 #include "usbhid.h"
 
 #ifdef CONFIG_USB_DYNAMIC_MINORS
@@ -469,10 +470,14 @@ static noinline int hiddev_ioctl_usage(struct hiddev *hiddev, unsigned int cmd,
 
 		if (uref->field_index >= report->maxfield)
 			goto inval;
+		uref->field_index = array_index_nospec(uref->field_index,
+						       report->maxfield);
 
 		field = report->field[uref->field_index];
 		if (uref->usage_index >= field->maxusage)
 			goto inval;
+		uref->usage_index = array_index_nospec(uref->usage_index,
+						       field->maxusage);
 
 		uref->usage_code = field->usage[uref->usage_index].hid;
 
@@ -499,6 +504,8 @@ static noinline int hiddev_ioctl_usage(struct hiddev *hiddev, unsigned int cmd,
 
 			if (uref->field_index >= report->maxfield)
 				goto inval;
+			uref->field_index = array_index_nospec(uref->field_index,
+							       report->maxfield);
 
 			field = report->field[uref->field_index];
 
@@ -753,6 +760,8 @@ static long hiddev_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 
 		if (finfo.field_index >= report->maxfield)
 			break;
+		finfo.field_index = array_index_nospec(finfo.field_index,
+						       report->maxfield);
 
 		field = report->field[finfo.field_index];
 		memset(&finfo, 0, sizeof(finfo));
@@ -797,6 +806,8 @@ static long hiddev_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 
 		if (cinfo.index >= hid->maxcollection)
 			break;
+		cinfo.index = array_index_nospec(cinfo.index,
+						 hid->maxcollection);
 
 		cinfo.type = hid->collection[cinfo.index].type;
 		cinfo.usage = hid->collection[cinfo.index].usage;
diff --git a/drivers/hid/wacom_sys.c b/drivers/hid/wacom_sys.c
index c101369b51de..d6797535fff9 100644
--- a/drivers/hid/wacom_sys.c
+++ b/drivers/hid/wacom_sys.c
@@ -395,6 +395,14 @@ static void wacom_usage_mapping(struct hid_device *hdev,
 		}
 	}
 
+	/* 2nd-generation Intuos Pro Large has incorrect Y maximum */
+	if (hdev->vendor == USB_VENDOR_ID_WACOM &&
+	    hdev->product == 0x0358 &&
+	    WACOM_PEN_FIELD(field) &&
+	    wacom_equivalent_usage(usage->hid) == HID_GD_Y) {
+		field->logical_maximum = 43200;
+	}
+
 	switch (usage->hid) {
 	case HID_GD_X:
 		features->x_max = field->logical_maximum;
diff --git a/drivers/hid/wacom_wac.c b/drivers/hid/wacom_wac.c
index 0bb44d0088ed..ad7afa74d365 100644
--- a/drivers/hid/wacom_wac.c
+++ b/drivers/hid/wacom_wac.c
@@ -3365,8 +3365,14 @@ void wacom_setup_device_quirks(struct wacom *wacom)
 			if (features->type >= INTUOSHT && features->type <= BAMBOO_PT)
 				features->device_type |= WACOM_DEVICETYPE_PAD;
 
-			features->x_max = 4096;
-			features->y_max = 4096;
+			if (features->type == INTUOSHT2) {
+				features->x_max = features->x_max / 10;
+				features->y_max = features->y_max / 10;
+			}
+			else {
+				features->x_max = 4096;
+				features->y_max = 4096;
+			}
 		}
 		else if (features->pktlen == WACOM_PKGLEN_BBTOUCH) {
 			features->device_type |= WACOM_DEVICETYPE_PAD;
diff --git a/drivers/hwmon/dell-smm-hwmon.c b/drivers/hwmon/dell-smm-hwmon.c
index bf3bb7e1adab..9d3ef879dc51 100644
--- a/drivers/hwmon/dell-smm-hwmon.c
+++ b/drivers/hwmon/dell-smm-hwmon.c
@@ -1074,6 +1074,13 @@ static struct dmi_system_id i8k_blacklist_fan_support_dmi_table[] __initdata = {
 			DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Vostro 3360"),
 		},
 	},
+	{
+		.ident = "Dell XPS13 9333",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+			DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "XPS13 9333"),
+		},
+	},
 	{ }
 };
 
diff --git a/drivers/hwmon/nct6775.c b/drivers/hwmon/nct6775.c
index 155d4d1d1585..f9d1349c3286 100644
--- a/drivers/hwmon/nct6775.c
+++ b/drivers/hwmon/nct6775.c
@@ -4175,7 +4175,7 @@ static int nct6775_probe(struct platform_device *pdev)
 	 * The temperature is already monitored if the respective bit in <mask>
 	 * is set.
 	 */
-	for (i = 0; i < 32; i++) {
+	for (i = 0; i < 31; i++) {
 		if (!(data->temp_mask & BIT(i + 1)))
 			continue;
 		if (!reg_temp_alternate[i])
diff --git a/drivers/i2c/algos/i2c-algo-bit.c b/drivers/i2c/algos/i2c-algo-bit.c
index 4a34f311e1ff..6ec65adaba49 100644
--- a/drivers/i2c/algos/i2c-algo-bit.c
+++ b/drivers/i2c/algos/i2c-algo-bit.c
@@ -647,10 +647,10 @@ static int __i2c_bit_add_bus(struct i2c_adapter *adap,
 	if (bit_adap->getscl == NULL)
 		adap->quirks = &i2c_bit_quirk_no_clk_stretch;
 
-	/* Bring bus to a known state. Looks like STOP if bus is not free yet */
-	setscl(bit_adap, 1);
-	udelay(bit_adap->udelay);
-	setsda(bit_adap, 1);
+	/*
+	 * We tried forcing SCL/SDA to an initial state here. But that caused a
+	 * regression, sadly. Check Bugzilla #200045 for details.
+	 */
 
 	ret = add_adapter(adap);
 	if (ret < 0)
diff --git a/drivers/i2c/busses/i2c-cht-wc.c b/drivers/i2c/busses/i2c-cht-wc.c
index 44cffad43701..c4d176f5ed79 100644
--- a/drivers/i2c/busses/i2c-cht-wc.c
+++ b/drivers/i2c/busses/i2c-cht-wc.c
@@ -234,7 +234,8 @@ static const struct irq_chip cht_wc_i2c_irq_chip = {
 	.name			= "cht_wc_ext_chrg_irq_chip",
 };
 
-static const char * const bq24190_suppliers[] = { "fusb302-typec-source" };
+static const char * const bq24190_suppliers[] = {
+	"tcpm-source-psy-i2c-fusb302" };
 
 static const struct property_entry bq24190_props[] = {
 	PROPERTY_ENTRY_STRING_ARRAY("supplied-from", bq24190_suppliers),
diff --git a/drivers/i2c/busses/i2c-davinci.c b/drivers/i2c/busses/i2c-davinci.c
index 75d6ab177055..7379043711df 100644
--- a/drivers/i2c/busses/i2c-davinci.c
+++ b/drivers/i2c/busses/i2c-davinci.c
@@ -237,12 +237,16 @@ static void i2c_davinci_calc_clk_dividers(struct davinci_i2c_dev *dev)
 	/*
 	 * It's not always possible to have 1 to 2 ratio when d=7, so fall back
 	 * to minimal possible clkh in this case.
+	 *
+	 * Note:
+	 * CLKH is not allowed to be 0, in this case I2C clock is not generated
+	 * at all
 	 */
-	if (clk >= clkl + d) {
+	if (clk > clkl + d) {
 		clkh = clk - clkl - d;
 		clkl -= d;
 	} else {
-		clkh = 0;
+		clkh = 1;
 		clkl = clk - (d << 1);
 	}
 
diff --git a/drivers/i2c/busses/i2c-gpio.c b/drivers/i2c/busses/i2c-gpio.c
index 005e6e0330c2..66f85bbf3591 100644
--- a/drivers/i2c/busses/i2c-gpio.c
+++ b/drivers/i2c/busses/i2c-gpio.c
@@ -279,9 +279,9 @@ static int i2c_gpio_probe(struct platform_device *pdev)
 	 * required for an I2C bus.
 	 */
 	if (pdata->scl_is_open_drain)
-		gflags = GPIOD_OUT_LOW;
+		gflags = GPIOD_OUT_HIGH;
 	else
-		gflags = GPIOD_OUT_LOW_OPEN_DRAIN;
+		gflags = GPIOD_OUT_HIGH_OPEN_DRAIN;
 	priv->scl = i2c_gpio_get_desc(dev, "scl", 1, gflags);
 	if (IS_ERR(priv->scl))
 		return PTR_ERR(priv->scl);
diff --git a/drivers/i2c/busses/i2c-imx.c b/drivers/i2c/busses/i2c-imx.c
index 0207e194f84b..498c5e891649 100644
--- a/drivers/i2c/busses/i2c-imx.c
+++ b/drivers/i2c/busses/i2c-imx.c
@@ -368,6 +368,7 @@ static int i2c_imx_dma_xfer(struct imx_i2c_struct *i2c_imx,
 		goto err_desc;
 	}
 
+	reinit_completion(&dma->cmd_complete);
 	txdesc->callback = i2c_imx_dma_callback;
 	txdesc->callback_param = i2c_imx;
 	if (dma_submit_error(dmaengine_submit(txdesc))) {
@@ -622,7 +623,6 @@ static int i2c_imx_dma_write(struct imx_i2c_struct *i2c_imx,
 	 * The first byte must be transmitted by the CPU.
 	 */
 	imx_i2c_write_reg(i2c_8bit_addr_from_msg(msgs), i2c_imx, IMX_I2C_I2DR);
-	reinit_completion(&i2c_imx->dma->cmd_complete);
 	time_left = wait_for_completion_timeout(
 				&i2c_imx->dma->cmd_complete,
 				msecs_to_jiffies(DMA_TIMEOUT));
@@ -681,7 +681,6 @@ static int i2c_imx_dma_read(struct imx_i2c_struct *i2c_imx,
 	if (result)
 		return result;
 
-	reinit_completion(&i2c_imx->dma->cmd_complete);
 	time_left = wait_for_completion_timeout(
 				&i2c_imx->dma->cmd_complete,
 				msecs_to_jiffies(DMA_TIMEOUT));
@@ -1010,7 +1009,7 @@ static int i2c_imx_init_recovery_info(struct imx_i2c_struct *i2c_imx,
 	i2c_imx->pinctrl_pins_gpio = pinctrl_lookup_state(i2c_imx->pinctrl,
 			"gpio");
 	rinfo->sda_gpiod = devm_gpiod_get(&pdev->dev, "sda", GPIOD_IN);
-	rinfo->scl_gpiod = devm_gpiod_get(&pdev->dev, "scl", GPIOD_OUT_HIGH);
+	rinfo->scl_gpiod = devm_gpiod_get(&pdev->dev, "scl", GPIOD_OUT_HIGH_OPEN_DRAIN);
 
 	if (PTR_ERR(rinfo->sda_gpiod) == -EPROBE_DEFER ||
 	    PTR_ERR(rinfo->scl_gpiod) == -EPROBE_DEFER) {
diff --git a/drivers/i2c/busses/i2c-rcar.c b/drivers/i2c/busses/i2c-rcar.c
index 5e310efd9446..3c1c817f6968 100644
--- a/drivers/i2c/busses/i2c-rcar.c
+++ b/drivers/i2c/busses/i2c-rcar.c
@@ -32,6 +32,7 @@
 #include <linux/of_device.h>
 #include <linux/platform_device.h>
 #include <linux/pm_runtime.h>
+#include <linux/reset.h>
 #include <linux/slab.h>
 
 /* register offsets */
@@ -111,8 +112,9 @@
 #define ID_ARBLOST	(1 << 3)
 #define ID_NACK		(1 << 4)
 /* persistent flags */
+#define ID_P_NO_RXDMA	(1 << 30) /* HW forbids RXDMA sometimes */
 #define ID_P_PM_BLOCKED	(1 << 31)
-#define ID_P_MASK	ID_P_PM_BLOCKED
+#define ID_P_MASK	(ID_P_PM_BLOCKED | ID_P_NO_RXDMA)
 
 enum rcar_i2c_type {
 	I2C_RCAR_GEN1,
@@ -141,6 +143,8 @@ struct rcar_i2c_priv {
 	struct dma_chan *dma_rx;
 	struct scatterlist sg;
 	enum dma_data_direction dma_direction;
+
+	struct reset_control *rstc;
 };
 
 #define rcar_i2c_priv_to_dev(p)		((p)->adap.dev.parent)
@@ -370,6 +374,11 @@ static void rcar_i2c_dma_unmap(struct rcar_i2c_priv *priv)
 	dma_unmap_single(chan->device->dev, sg_dma_address(&priv->sg),
 			 sg_dma_len(&priv->sg), priv->dma_direction);
 
+	/* Gen3 can only do one RXDMA per transfer and we just completed it */
+	if (priv->devtype == I2C_RCAR_GEN3 &&
+	    priv->dma_direction == DMA_FROM_DEVICE)
+		priv->flags |= ID_P_NO_RXDMA;
+
 	priv->dma_direction = DMA_NONE;
 }
 
@@ -407,8 +416,9 @@ static void rcar_i2c_dma(struct rcar_i2c_priv *priv)
 	unsigned char *buf;
 	int len;
 
-	/* Do not use DMA if it's not available or for messages < 8 bytes */
-	if (IS_ERR(chan) || msg->len < 8 || !(msg->flags & I2C_M_DMA_SAFE))
+	/* Do various checks to see if DMA is feasible at all */
+	if (IS_ERR(chan) || msg->len < 8 || !(msg->flags & I2C_M_DMA_SAFE) ||
+	    (read && priv->flags & ID_P_NO_RXDMA))
 		return;
 
 	if (read) {
@@ -739,6 +749,25 @@ static void rcar_i2c_release_dma(struct rcar_i2c_priv *priv)
 	}
 }
 
+/* I2C is a special case, we need to poll the status of a reset */
+static int rcar_i2c_do_reset(struct rcar_i2c_priv *priv)
+{
+	int i, ret;
+
+	ret = reset_control_reset(priv->rstc);
+	if (ret)
+		return ret;
+
+	for (i = 0; i < LOOP_TIMEOUT; i++) {
+		ret = reset_control_status(priv->rstc);
+		if (ret == 0)
+			return 0;
+		udelay(1);
+	}
+
+	return -ETIMEDOUT;
+}
+
 static int rcar_i2c_master_xfer(struct i2c_adapter *adap,
 				struct i2c_msg *msgs,
 				int num)
@@ -750,6 +779,16 @@ static int rcar_i2c_master_xfer(struct i2c_adapter *adap,
 
 	pm_runtime_get_sync(dev);
 
+	/* Gen3 needs a reset before allowing RXDMA once */
+	if (priv->devtype == I2C_RCAR_GEN3) {
+		priv->flags |= ID_P_NO_RXDMA;
+		if (!IS_ERR(priv->rstc)) {
+			ret = rcar_i2c_do_reset(priv);
+			if (ret == 0)
+				priv->flags &= ~ID_P_NO_RXDMA;
+		}
+	}
+
 	rcar_i2c_init(priv);
 
 	ret = rcar_i2c_bus_barrier(priv);
@@ -920,6 +959,15 @@ static int rcar_i2c_probe(struct platform_device *pdev)
 	if (ret < 0)
 		goto out_pm_put;
 
+	if (priv->devtype == I2C_RCAR_GEN3) {
+		priv->rstc = devm_reset_control_get_exclusive(&pdev->dev, NULL);
+		if (!IS_ERR(priv->rstc)) {
+			ret = reset_control_status(priv->rstc);
+			if (ret < 0)
+				priv->rstc = ERR_PTR(-ENOTSUPP);
+		}
+	}
+
 	/* Stay always active when multi-master to keep arbitration working */
 	if (of_property_read_bool(dev->of_node, "multi-master"))
 		priv->flags |= ID_P_PM_BLOCKED;
diff --git a/drivers/i2c/busses/i2c-stu300.c b/drivers/i2c/busses/i2c-stu300.c
index e866c481bfc3..fce52bdab2b7 100644
--- a/drivers/i2c/busses/i2c-stu300.c
+++ b/drivers/i2c/busses/i2c-stu300.c
@@ -127,7 +127,7 @@ enum stu300_error {
 
 /*
  * The number of address send athemps tried before giving up.
- * If the first one failes it seems like 5 to 8 attempts are required.
+ * If the first one fails it seems like 5 to 8 attempts are required.
  */
 #define NUM_ADDR_RESEND_ATTEMPTS 12
 
diff --git a/drivers/i2c/busses/i2c-tegra.c b/drivers/i2c/busses/i2c-tegra.c
index 5fccd1f1bca8..797def5319f1 100644
--- a/drivers/i2c/busses/i2c-tegra.c
+++ b/drivers/i2c/busses/i2c-tegra.c
@@ -545,6 +545,14 @@ static int tegra_i2c_disable_packet_mode(struct tegra_i2c_dev *i2c_dev)
 {
 	u32 cnfg;
 
+	/*
+	 * NACK interrupt is generated before the I2C controller generates
+	 * the STOP condition on the bus. So wait for 2 clock periods
+	 * before disabling the controller so that the STOP condition has
+	 * been delivered properly.
+	 */
+	udelay(DIV_ROUND_UP(2 * 1000000, i2c_dev->bus_clk_rate));
+
 	cnfg = i2c_readl(i2c_dev, I2C_CNFG);
 	if (cnfg & I2C_CNFG_PACKET_MODE_EN)
 		i2c_writel(i2c_dev, cnfg & ~I2C_CNFG_PACKET_MODE_EN, I2C_CNFG);
@@ -706,15 +714,6 @@ static int tegra_i2c_xfer_msg(struct tegra_i2c_dev *i2c_dev,
 	if (likely(i2c_dev->msg_err == I2C_ERR_NONE))
 		return 0;
 
-	/*
-	 * NACK interrupt is generated before the I2C controller generates
-	 * the STOP condition on the bus. So wait for 2 clock periods
-	 * before resetting the controller so that the STOP condition has
-	 * been delivered properly.
-	 */
-	if (i2c_dev->msg_err == I2C_ERR_NO_ACK)
-		udelay(DIV_ROUND_UP(2 * 1000000, i2c_dev->bus_clk_rate));
-
 	tegra_i2c_init(i2c_dev);
 	if (i2c_dev->msg_err == I2C_ERR_NO_ACK) {
 		if (msg->flags & I2C_M_IGNORE_NAK)
diff --git a/drivers/i2c/i2c-core-base.c b/drivers/i2c/i2c-core-base.c
index 31d16ada6e7d..301285c54603 100644
--- a/drivers/i2c/i2c-core-base.c
+++ b/drivers/i2c/i2c-core-base.c
@@ -198,7 +198,16 @@ int i2c_generic_scl_recovery(struct i2c_adapter *adap)
 
 		val = !val;
 		bri->set_scl(adap, val);
-		ndelay(RECOVERY_NDELAY);
+
+		/*
+		 * If we can set SDA, we will always create STOP here to ensure
+		 * the additional pulses will do no harm. This is achieved by
+		 * letting SDA follow SCL half a cycle later.
+		 */
+		ndelay(RECOVERY_NDELAY / 2);
+		if (bri->set_sda)
+			bri->set_sda(adap, val);
+		ndelay(RECOVERY_NDELAY / 2);
 	}
 
 	/* check if recovery actually succeeded */
diff --git a/drivers/i2c/i2c-core-smbus.c b/drivers/i2c/i2c-core-smbus.c
index f3f683041e7f..51970bae3c4a 100644
--- a/drivers/i2c/i2c-core-smbus.c
+++ b/drivers/i2c/i2c-core-smbus.c
@@ -465,15 +465,18 @@ static s32 i2c_smbus_xfer_emulated(struct i2c_adapter *adapter, u16 addr,
 
 	status = i2c_transfer(adapter, msg, num);
 	if (status < 0)
-		return status;
-	if (status != num)
-		return -EIO;
+		goto cleanup;
+	if (status != num) {
+		status = -EIO;
+		goto cleanup;
+	}
+	status = 0;
 
 	/* Check PEC if last message is a read */
 	if (i && (msg[num-1].flags & I2C_M_RD)) {
 		status = i2c_smbus_check_pec(partial_pec, &msg[num-1]);
 		if (status < 0)
-			return status;
+			goto cleanup;
 	}
 
 	if (read_write == I2C_SMBUS_READ)
@@ -499,12 +502,13 @@ static s32 i2c_smbus_xfer_emulated(struct i2c_adapter *adapter, u16 addr,
 			break;
 		}
 
+cleanup:
 	if (msg[0].flags & I2C_M_DMA_SAFE)
 		kfree(msg[0].buf);
 	if (msg[1].flags & I2C_M_DMA_SAFE)
 		kfree(msg[1].buf);
 
-	return 0;
+	return status;
 }
 
 /**
diff --git a/drivers/iio/accel/mma8452.c b/drivers/iio/accel/mma8452.c
index 7e3d82cff3d5..c149c9c360fc 100644
--- a/drivers/iio/accel/mma8452.c
+++ b/drivers/iio/accel/mma8452.c
@@ -1053,7 +1053,7 @@ static irqreturn_t mma8452_interrupt(int irq, void *p)
 	if (src < 0)
 		return IRQ_NONE;
 
-	if (!(src & data->chip_info->enabled_events))
+	if (!(src & (data->chip_info->enabled_events | MMA8452_INT_DRDY)))
 		return IRQ_NONE;
 
 	if (src & MMA8452_INT_DRDY) {
diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c b/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c
index f9c0624505a2..42618fe4f83e 100644
--- a/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c
+++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c
@@ -959,6 +959,8 @@ int inv_mpu_core_probe(struct regmap *regmap, int irq, const char *name,
 	}
 
 	irq_type = irqd_get_trigger_type(desc);
+	if (!irq_type)
+		irq_type = IRQF_TRIGGER_RISING;
 	if (irq_type == IRQF_TRIGGER_RISING)
 		st->irq_mask = INV_MPU6050_ACTIVE_HIGH;
 	else if (irq_type == IRQF_TRIGGER_FALLING)
diff --git a/drivers/iio/light/tsl2772.c b/drivers/iio/light/tsl2772.c
index 34d42a2504c9..df5b2a0da96c 100644
--- a/drivers/iio/light/tsl2772.c
+++ b/drivers/iio/light/tsl2772.c
@@ -582,6 +582,8 @@ static int tsl2772_als_calibrate(struct iio_dev *indio_dev)
 			"%s: failed to get lux\n", __func__);
 		return lux_val;
 	}
+	if (lux_val == 0)
+		return -ERANGE;
 
 	ret = (chip->settings.als_cal_target * chip->settings.als_gain_trim) /
 			lux_val;
diff --git a/drivers/iio/pressure/bmp280-core.c b/drivers/iio/pressure/bmp280-core.c
index 5ec3e41b65f2..fe87d27779d9 100644
--- a/drivers/iio/pressure/bmp280-core.c
+++ b/drivers/iio/pressure/bmp280-core.c
@@ -415,10 +415,9 @@ static int bmp280_read_humid(struct bmp280_data *data, int *val, int *val2)
 	}
 	comp_humidity = bmp280_compensate_humidity(data, adc_humidity);
 
-	*val = comp_humidity;
-	*val2 = 1024;
+	*val = comp_humidity * 1000 / 1024;
 
-	return IIO_VAL_FRACTIONAL;
+	return IIO_VAL_INT;
 }
 
 static int bmp280_read_raw(struct iio_dev *indio_dev,
diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c
index 3e90b6a1d9d2..cc06e8404e9b 100644
--- a/drivers/infiniband/core/uverbs_cmd.c
+++ b/drivers/infiniband/core/uverbs_cmd.c
@@ -3488,8 +3488,8 @@ int ib_uverbs_ex_create_flow(struct ib_uverbs_file *file,
 	struct ib_flow_attr		  *flow_attr;
 	struct ib_qp			  *qp;
 	struct ib_uflow_resources	  *uflow_res;
+	struct ib_uverbs_flow_spec_hdr	  *kern_spec;
 	int err = 0;
-	void *kern_spec;
 	void *ib_spec;
 	int i;
 
@@ -3538,8 +3538,8 @@ int ib_uverbs_ex_create_flow(struct ib_uverbs_file *file,
 		if (!kern_flow_attr)
 			return -ENOMEM;
 
-		memcpy(kern_flow_attr, &cmd.flow_attr, sizeof(*kern_flow_attr));
-		err = ib_copy_from_udata(kern_flow_attr + 1, ucore,
+		*kern_flow_attr = cmd.flow_attr;
+		err = ib_copy_from_udata(&kern_flow_attr->flow_specs, ucore,
 					 cmd.flow_attr.size);
 		if (err)
 			goto err_free_attr;
@@ -3559,6 +3559,11 @@ int ib_uverbs_ex_create_flow(struct ib_uverbs_file *file,
 		goto err_uobj;
 	}
 
+	if (qp->qp_type != IB_QPT_UD && qp->qp_type != IB_QPT_RAW_PACKET) {
+		err = -EINVAL;
+		goto err_put;
+	}
+
 	flow_attr = kzalloc(struct_size(flow_attr, flows,
 				cmd.flow_attr.num_of_specs), GFP_KERNEL);
 	if (!flow_attr) {
@@ -3578,21 +3583,22 @@ int ib_uverbs_ex_create_flow(struct ib_uverbs_file *file,
 	flow_attr->flags = kern_flow_attr->flags;
 	flow_attr->size = sizeof(*flow_attr);
 
-	kern_spec = kern_flow_attr + 1;
+	kern_spec = kern_flow_attr->flow_specs;
 	ib_spec = flow_attr + 1;
 	for (i = 0; i < flow_attr->num_of_specs &&
-	     cmd.flow_attr.size > offsetof(struct ib_uverbs_flow_spec, reserved) &&
-	     cmd.flow_attr.size >=
-	     ((struct ib_uverbs_flow_spec *)kern_spec)->size; i++) {
-		err = kern_spec_to_ib_spec(file->ucontext, kern_spec, ib_spec,
-					   uflow_res);
+			cmd.flow_attr.size >= sizeof(*kern_spec) &&
+			cmd.flow_attr.size >= kern_spec->size;
+	     i++) {
+		err = kern_spec_to_ib_spec(
+				file->ucontext, (struct ib_uverbs_flow_spec *)kern_spec,
+				ib_spec, uflow_res);
 		if (err)
 			goto err_free;
 
 		flow_attr->size +=
 			((union ib_flow_spec *) ib_spec)->size;
-		cmd.flow_attr.size -= ((struct ib_uverbs_flow_spec *)kern_spec)->size;
-		kern_spec += ((struct ib_uverbs_flow_spec *) kern_spec)->size;
+		cmd.flow_attr.size -= kern_spec->size;
+		kern_spec = ((void *)kern_spec) + kern_spec->size;
 		ib_spec += ((union ib_flow_spec *) ib_spec)->size;
 	}
 	if (cmd.flow_attr.size || (i != flow_attr->num_of_specs)) {
diff --git a/drivers/infiniband/core/uverbs_main.c b/drivers/infiniband/core/uverbs_main.c
index 3ae2339dd27a..2094d136513d 100644
--- a/drivers/infiniband/core/uverbs_main.c
+++ b/drivers/infiniband/core/uverbs_main.c
@@ -736,10 +736,6 @@ static ssize_t ib_uverbs_write(struct file *filp, const char __user *buf,
 	if (ret)
 		return ret;
 
-	if (!file->ucontext &&
-	    (command != IB_USER_VERBS_CMD_GET_CONTEXT || extended))
-		return -EINVAL;
-
 	if (extended) {
 		if (count < (sizeof(hdr) + sizeof(ex_hdr)))
 			return -EINVAL;
@@ -759,6 +755,16 @@ static ssize_t ib_uverbs_write(struct file *filp, const char __user *buf,
 		goto out;
 	}
 
+	/*
+	 * Must be after the ib_dev check, as once the RCU clears ib_dev ==
+	 * NULL means ucontext == NULL
+	 */
+	if (!file->ucontext &&
+	    (command != IB_USER_VERBS_CMD_GET_CONTEXT || extended)) {
+		ret = -EINVAL;
+		goto out;
+	}
+
 	if (!verify_command_mask(ib_dev, command, extended)) {
 		ret = -EOPNOTSUPP;
 		goto out;
diff --git a/drivers/infiniband/core/verbs.c b/drivers/infiniband/core/verbs.c
index 0b56828c1319..9d6beb948535 100644
--- a/drivers/infiniband/core/verbs.c
+++ b/drivers/infiniband/core/verbs.c
@@ -1562,11 +1562,12 @@ EXPORT_SYMBOL(ib_destroy_qp);
 
 /* Completion queues */
 
-struct ib_cq *ib_create_cq(struct ib_device *device,
-			   ib_comp_handler comp_handler,
-			   void (*event_handler)(struct ib_event *, void *),
-			   void *cq_context,
-			   const struct ib_cq_init_attr *cq_attr)
+struct ib_cq *__ib_create_cq(struct ib_device *device,
+			     ib_comp_handler comp_handler,
+			     void (*event_handler)(struct ib_event *, void *),
+			     void *cq_context,
+			     const struct ib_cq_init_attr *cq_attr,
+			     const char *caller)
 {
 	struct ib_cq *cq;
 
@@ -1580,12 +1581,13 @@ struct ib_cq *ib_create_cq(struct ib_device *device,
 		cq->cq_context    = cq_context;
 		atomic_set(&cq->usecnt, 0);
 		cq->res.type = RDMA_RESTRACK_CQ;
+		cq->res.kern_name = caller;
 		rdma_restrack_add(&cq->res);
 	}
 
 	return cq;
 }
-EXPORT_SYMBOL(ib_create_cq);
+EXPORT_SYMBOL(__ib_create_cq);
 
 int rdma_set_cq_moderation(struct ib_cq *cq, u16 cq_count, u16 cq_period)
 {
diff --git a/drivers/infiniband/hw/cxgb4/mem.c b/drivers/infiniband/hw/cxgb4/mem.c
index 1445918e3239..7b76e6f81aeb 100644
--- a/drivers/infiniband/hw/cxgb4/mem.c
+++ b/drivers/infiniband/hw/cxgb4/mem.c
@@ -774,7 +774,7 @@ static int c4iw_set_page(struct ib_mr *ibmr, u64 addr)
 {
 	struct c4iw_mr *mhp = to_c4iw_mr(ibmr);
 
-	if (unlikely(mhp->mpl_len == mhp->max_mpl_len))
+	if (unlikely(mhp->mpl_len == mhp->attr.pbl_size))
 		return -ENOMEM;
 
 	mhp->mpl[mhp->mpl_len++] = addr;
diff --git a/drivers/infiniband/hw/hfi1/rc.c b/drivers/infiniband/hw/hfi1/rc.c
index 1a1a47ac53c6..f15c93102081 100644
--- a/drivers/infiniband/hw/hfi1/rc.c
+++ b/drivers/infiniband/hw/hfi1/rc.c
@@ -271,7 +271,7 @@ int hfi1_make_rc_req(struct rvt_qp *qp, struct hfi1_pkt_state *ps)
 
 	lockdep_assert_held(&qp->s_lock);
 	ps->s_txreq = get_txreq(ps->dev, qp);
-	if (IS_ERR(ps->s_txreq))
+	if (!ps->s_txreq)
 		goto bail_no_tx;
 
 	if (priv->hdr_type == HFI1_PKT_TYPE_9B) {
diff --git a/drivers/infiniband/hw/hfi1/uc.c b/drivers/infiniband/hw/hfi1/uc.c
index b7b671017e59..e254dcec6f64 100644
--- a/drivers/infiniband/hw/hfi1/uc.c
+++ b/drivers/infiniband/hw/hfi1/uc.c
@@ -1,5 +1,5 @@
 /*
- * Copyright(c) 2015, 2016 Intel Corporation.
+ * Copyright(c) 2015 - 2018 Intel Corporation.
  *
  * This file is provided under a dual BSD/GPLv2 license.  When using or
  * redistributing this file, you may do so under either license.
@@ -72,7 +72,7 @@ int hfi1_make_uc_req(struct rvt_qp *qp, struct hfi1_pkt_state *ps)
 	int middle = 0;
 
 	ps->s_txreq = get_txreq(ps->dev, qp);
-	if (IS_ERR(ps->s_txreq))
+	if (!ps->s_txreq)
 		goto bail_no_tx;
 
 	if (!(ib_rvt_state_ops[qp->state] & RVT_PROCESS_SEND_OK)) {
diff --git a/drivers/infiniband/hw/hfi1/ud.c b/drivers/infiniband/hw/hfi1/ud.c
index 1ab332f1866e..70d39fc450a1 100644
--- a/drivers/infiniband/hw/hfi1/ud.c
+++ b/drivers/infiniband/hw/hfi1/ud.c
@@ -1,5 +1,5 @@
 /*
- * Copyright(c) 2015, 2016 Intel Corporation.
+ * Copyright(c) 2015 - 2018 Intel Corporation.
  *
  * This file is provided under a dual BSD/GPLv2 license.  When using or
  * redistributing this file, you may do so under either license.
@@ -503,7 +503,7 @@ int hfi1_make_ud_req(struct rvt_qp *qp, struct hfi1_pkt_state *ps)
 	u32 lid;
 
 	ps->s_txreq = get_txreq(ps->dev, qp);
-	if (IS_ERR(ps->s_txreq))
+	if (!ps->s_txreq)
 		goto bail_no_tx;
 
 	if (!(ib_rvt_state_ops[qp->state] & RVT_PROCESS_NEXT_SEND_OK)) {
diff --git a/drivers/infiniband/hw/hfi1/verbs_txreq.c b/drivers/infiniband/hw/hfi1/verbs_txreq.c
index 873e48ea923f..c4ab2d5b4502 100644
--- a/drivers/infiniband/hw/hfi1/verbs_txreq.c
+++ b/drivers/infiniband/hw/hfi1/verbs_txreq.c
@@ -1,5 +1,5 @@
 /*
- * Copyright(c) 2016 - 2017 Intel Corporation.
+ * Copyright(c) 2016 - 2018 Intel Corporation.
  *
  * This file is provided under a dual BSD/GPLv2 license.  When using or
  * redistributing this file, you may do so under either license.
@@ -94,7 +94,7 @@ struct verbs_txreq *__get_txreq(struct hfi1_ibdev *dev,
 				struct rvt_qp *qp)
 	__must_hold(&qp->s_lock)
 {
-	struct verbs_txreq *tx = ERR_PTR(-EBUSY);
+	struct verbs_txreq *tx = NULL;
 
 	write_seqlock(&dev->txwait_lock);
 	if (ib_rvt_state_ops[qp->state] & RVT_PROCESS_RECV_OK) {
diff --git a/drivers/infiniband/hw/hfi1/verbs_txreq.h b/drivers/infiniband/hw/hfi1/verbs_txreq.h
index 729244c3086c..1c19bbc764b2 100644
--- a/drivers/infiniband/hw/hfi1/verbs_txreq.h
+++ b/drivers/infiniband/hw/hfi1/verbs_txreq.h
@@ -1,5 +1,5 @@
 /*
- * Copyright(c) 2016 Intel Corporation.
+ * Copyright(c) 2016 - 2018 Intel Corporation.
  *
  * This file is provided under a dual BSD/GPLv2 license.  When using or
  * redistributing this file, you may do so under either license.
@@ -83,7 +83,7 @@ static inline struct verbs_txreq *get_txreq(struct hfi1_ibdev *dev,
 	if (unlikely(!tx)) {
 		/* call slow path to get the lock */
 		tx = __get_txreq(dev, qp);
-		if (IS_ERR(tx))
+		if (!tx)
 			return tx;
 	}
 	tx->qp = qp;
diff --git a/drivers/infiniband/hw/mlx4/mr.c b/drivers/infiniband/hw/mlx4/mr.c
index ed1f253faf97..c7c85c22e4e3 100644
--- a/drivers/infiniband/hw/mlx4/mr.c
+++ b/drivers/infiniband/hw/mlx4/mr.c
@@ -486,8 +486,11 @@ int mlx4_ib_rereg_user_mr(struct ib_mr *mr, int flags,
 	}
 
 	if (flags & IB_MR_REREG_ACCESS) {
-		if (ib_access_writable(mr_access_flags) && !mmr->umem->writable)
-			return -EPERM;
+		if (ib_access_writable(mr_access_flags) &&
+		    !mmr->umem->writable) {
+			err = -EPERM;
+			goto release_mpt_entry;
+		}
 
 		err = mlx4_mr_hw_change_access(dev->dev, *pmpt_entry,
 					       convert_access(mr_access_flags));
diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
index e52dd21519b4..b3ba9a222550 100644
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c
@@ -3199,8 +3199,8 @@ static int flow_counters_set_data(struct ib_counters *ibcounters,
 	if (!mcounters->hw_cntrs_hndl) {
 		mcounters->hw_cntrs_hndl = mlx5_fc_create(
 			to_mdev(ibcounters->device)->mdev, false);
-		if (!mcounters->hw_cntrs_hndl) {
-			ret = -ENOMEM;
+		if (IS_ERR(mcounters->hw_cntrs_hndl)) {
+			ret = PTR_ERR(mcounters->hw_cntrs_hndl);
 			goto free;
 		}
 		hw_hndl = true;
@@ -3546,29 +3546,35 @@ static struct ib_flow *mlx5_ib_create_flow(struct ib_qp *qp,
 			return ERR_PTR(-ENOMEM);
 
 		err = ib_copy_from_udata(ucmd, udata, required_ucmd_sz);
-		if (err) {
-			kfree(ucmd);
-			return ERR_PTR(err);
-		}
+		if (err)
+			goto free_ucmd;
 	}
 
-	if (flow_attr->priority > MLX5_IB_FLOW_LAST_PRIO)
-		return ERR_PTR(-ENOMEM);
+	if (flow_attr->priority > MLX5_IB_FLOW_LAST_PRIO) {
+		err = -ENOMEM;
+		goto free_ucmd;
+	}
 
 	if (domain != IB_FLOW_DOMAIN_USER ||
 	    flow_attr->port > dev->num_ports ||
 	    (flow_attr->flags & ~(IB_FLOW_ATTR_FLAGS_DONT_TRAP |
-				  IB_FLOW_ATTR_FLAGS_EGRESS)))
-		return ERR_PTR(-EINVAL);
+				  IB_FLOW_ATTR_FLAGS_EGRESS))) {
+		err = -EINVAL;
+		goto free_ucmd;
+	}
 
 	if (is_egress &&
 	    (flow_attr->type == IB_FLOW_ATTR_ALL_DEFAULT ||
-	     flow_attr->type == IB_FLOW_ATTR_MC_DEFAULT))
-		return ERR_PTR(-EINVAL);
+	     flow_attr->type == IB_FLOW_ATTR_MC_DEFAULT)) {
+		err = -EINVAL;
+		goto free_ucmd;
+	}
 
 	dst = kzalloc(sizeof(*dst), GFP_KERNEL);
-	if (!dst)
-		return ERR_PTR(-ENOMEM);
+	if (!dst) {
+		err = -ENOMEM;
+		goto free_ucmd;
+	}
 
 	mutex_lock(&dev->flow_db->lock);
 
@@ -3637,8 +3643,8 @@ destroy_ft:
 unlock:
 	mutex_unlock(&dev->flow_db->lock);
 	kfree(dst);
+free_ucmd:
 	kfree(ucmd);
-	kfree(handler);
 	return ERR_PTR(err);
 }
 
@@ -6107,7 +6113,7 @@ static void *mlx5_ib_add(struct mlx5_core_dev *mdev)
 	dev->num_ports = max(MLX5_CAP_GEN(mdev, num_ports),
 			     MLX5_CAP_GEN(mdev, num_vhca_ports));
 
-	if (MLX5_VPORT_MANAGER(mdev) &&
+	if (MLX5_ESWITCH_MANAGER(mdev) &&
 	    mlx5_ib_eswitch_mode(mdev->priv.eswitch) == SRIOV_OFFLOADS) {
 		dev->rep = mlx5_ib_vport_rep(mdev->priv.eswitch, 0);
 
diff --git a/drivers/infiniband/hw/mlx5/srq.c b/drivers/infiniband/hw/mlx5/srq.c
index 0af7b7905550..f5de5adc9b1a 100644
--- a/drivers/infiniband/hw/mlx5/srq.c
+++ b/drivers/infiniband/hw/mlx5/srq.c
@@ -266,18 +266,24 @@ struct ib_srq *mlx5_ib_create_srq(struct ib_pd *pd,
 
 	desc_size = sizeof(struct mlx5_wqe_srq_next_seg) +
 		    srq->msrq.max_gs * sizeof(struct mlx5_wqe_data_seg);
-	if (desc_size == 0 || srq->msrq.max_gs > desc_size)
-		return ERR_PTR(-EINVAL);
+	if (desc_size == 0 || srq->msrq.max_gs > desc_size) {
+		err = -EINVAL;
+		goto err_srq;
+	}
 	desc_size = roundup_pow_of_two(desc_size);
 	desc_size = max_t(size_t, 32, desc_size);
-	if (desc_size < sizeof(struct mlx5_wqe_srq_next_seg))
-		return ERR_PTR(-EINVAL);
+	if (desc_size < sizeof(struct mlx5_wqe_srq_next_seg)) {
+		err = -EINVAL;
+		goto err_srq;
+	}
 	srq->msrq.max_avail_gather = (desc_size - sizeof(struct mlx5_wqe_srq_next_seg)) /
 		sizeof(struct mlx5_wqe_data_seg);
 	srq->msrq.wqe_shift = ilog2(desc_size);
 	buf_size = srq->msrq.max * desc_size;
-	if (buf_size < desc_size)
-		return ERR_PTR(-EINVAL);
+	if (buf_size < desc_size) {
+		err = -EINVAL;
+		goto err_srq;
+	}
 	in.type = init_attr->srq_type;
 
 	if (pd->uobject)
diff --git a/drivers/infiniband/hw/qedr/verbs.c b/drivers/infiniband/hw/qedr/verbs.c
index f7ac8fc9b531..f07b8df96f43 100644
--- a/drivers/infiniband/hw/qedr/verbs.c
+++ b/drivers/infiniband/hw/qedr/verbs.c
@@ -1957,6 +1957,9 @@ int qedr_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
 	}
 
 	if (attr_mask & (IB_QP_AV | IB_QP_PATH_MTU)) {
+		if (rdma_protocol_iwarp(&dev->ibdev, 1))
+			return -EINVAL;
+
 		if (attr_mask & IB_QP_PATH_MTU) {
 			if (attr->path_mtu < IB_MTU_256 ||
 			    attr->path_mtu > IB_MTU_4096) {
diff --git a/drivers/infiniband/sw/rxe/rxe_req.c b/drivers/infiniband/sw/rxe/rxe_req.c
index f30eeba3f772..8be27238a86e 100644
--- a/drivers/infiniband/sw/rxe/rxe_req.c
+++ b/drivers/infiniband/sw/rxe/rxe_req.c
@@ -645,6 +645,9 @@ next_wqe:
 		} else {
 			goto exit;
 		}
+		if ((wqe->wr.send_flags & IB_SEND_SIGNALED) ||
+		    qp->sq_sig_type == IB_SIGNAL_ALL_WR)
+			rxe_run_task(&qp->comp.task, 1);
 		qp->req.wqe_index = next_index(qp->sq.queue,
 						qp->req.wqe_index);
 		goto next_wqe;
@@ -709,6 +712,7 @@ next_wqe:
 
 	if (fill_packet(qp, wqe, &pkt, skb, payload)) {
 		pr_debug("qp#%d Error during fill packet\n", qp_num(qp));
+		kfree_skb(skb);
 		goto err;
 	}
 
@@ -740,7 +744,6 @@ next_wqe:
 	goto next_wqe;
 
 err:
-	kfree_skb(skb);
 	wqe->status = IB_WC_LOC_PROT_ERR;
 	wqe->state = wqe_state_error;
 	__rxe_do_task(&qp->comp.task);
diff --git a/drivers/input/input-mt.c b/drivers/input/input-mt.c
index cf30523c6ef6..6c7326c93721 100644
--- a/drivers/input/input-mt.c
+++ b/drivers/input/input-mt.c
@@ -131,8 +131,10 @@ EXPORT_SYMBOL(input_mt_destroy_slots);
  * inactive, or if the tool type is changed, a new tracking id is
  * assigned to the slot. The tool type is only reported if the
  * corresponding absbit field is set.
+ *
+ * Returns true if contact is active.
  */
-void input_mt_report_slot_state(struct input_dev *dev,
+bool input_mt_report_slot_state(struct input_dev *dev,
 				unsigned int tool_type, bool active)
 {
 	struct input_mt *mt = dev->mt;
@@ -140,22 +142,24 @@ void input_mt_report_slot_state(struct input_dev *dev,
 	int id;
 
 	if (!mt)
-		return;
+		return false;
 
 	slot = &mt->slots[mt->slot];
 	slot->frame = mt->frame;
 
 	if (!active) {
 		input_event(dev, EV_ABS, ABS_MT_TRACKING_ID, -1);
-		return;
+		return false;
 	}
 
 	id = input_mt_get_value(slot, ABS_MT_TRACKING_ID);
-	if (id < 0 || input_mt_get_value(slot, ABS_MT_TOOL_TYPE) != tool_type)
+	if (id < 0)
 		id = input_mt_new_trkid(mt);
 
 	input_event(dev, EV_ABS, ABS_MT_TRACKING_ID, id);
 	input_event(dev, EV_ABS, ABS_MT_TOOL_TYPE, tool_type);
+
+	return true;
 }
 EXPORT_SYMBOL(input_mt_report_slot_state);
 
diff --git a/drivers/input/joystick/xpad.c b/drivers/input/joystick/xpad.c
index 48e36acbeb49..cd620e009bad 100644
--- a/drivers/input/joystick/xpad.c
+++ b/drivers/input/joystick/xpad.c
@@ -125,7 +125,7 @@ static const struct xpad_device {
 	u8 mapping;
 	u8 xtype;
 } xpad_device[] = {
-	{ 0x0079, 0x18d4, "GPD Win 2 Controller", 0, XTYPE_XBOX360 },
+	{ 0x0079, 0x18d4, "GPD Win 2 X-Box Controller", 0, XTYPE_XBOX360 },
 	{ 0x044f, 0x0f00, "Thrustmaster Wheel", 0, XTYPE_XBOX },
 	{ 0x044f, 0x0f03, "Thrustmaster Wheel", 0, XTYPE_XBOX },
 	{ 0x044f, 0x0f07, "Thrustmaster, Inc. Controller", 0, XTYPE_XBOX },
diff --git a/drivers/input/keyboard/goldfish_events.c b/drivers/input/keyboard/goldfish_events.c
index f6e643b589b6..e8dae6195b30 100644
--- a/drivers/input/keyboard/goldfish_events.c
+++ b/drivers/input/keyboard/goldfish_events.c
@@ -45,7 +45,7 @@ struct event_dev {
 static irqreturn_t events_interrupt(int irq, void *dev_id)
 {
 	struct event_dev *edev = dev_id;
-	unsigned type, code, value;
+	unsigned int type, code, value;
 
 	type = __raw_readl(edev->addr + REG_READ);
 	code = __raw_readl(edev->addr + REG_READ);
@@ -57,7 +57,7 @@ static irqreturn_t events_interrupt(int irq, void *dev_id)
 }
 
 static void events_import_bits(struct event_dev *edev,
-			unsigned long bits[], unsigned type, size_t count)
+			unsigned long bits[], unsigned int type, size_t count)
 {
 	void __iomem *addr = edev->addr;
 	int i, j;
@@ -99,6 +99,7 @@ static void events_import_abs_params(struct event_dev *edev)
 
 		for (j = 0; j < ARRAY_SIZE(val); j++) {
 			int offset = (i * ARRAY_SIZE(val) + j) * sizeof(u32);
+
 			val[j] = __raw_readl(edev->addr + REG_DATA + offset);
 		}
 
@@ -112,7 +113,7 @@ static int events_probe(struct platform_device *pdev)
 	struct input_dev *input_dev;
 	struct event_dev *edev;
 	struct resource *res;
-	unsigned keymapnamelen;
+	unsigned int keymapnamelen;
 	void __iomem *addr;
 	int irq;
 	int i;
@@ -150,7 +151,7 @@ static int events_probe(struct platform_device *pdev)
 	for (i = 0; i < keymapnamelen; i++)
 		edev->name[i] = __raw_readb(edev->addr + REG_DATA + i);
 
-	pr_debug("events_probe() keymap=%s\n", edev->name);
+	pr_debug("%s: keymap=%s\n", __func__, edev->name);
 
 	input_dev->name = edev->name;
 	input_dev->id.bustype = BUS_HOST;
diff --git a/drivers/input/misc/Kconfig b/drivers/input/misc/Kconfig
index c25606e00693..ca59a2be9bc5 100644
--- a/drivers/input/misc/Kconfig
+++ b/drivers/input/misc/Kconfig
@@ -841,4 +841,14 @@ config INPUT_RAVE_SP_PWRBUTTON
 	  To compile this driver as a module, choose M here: the
 	  module will be called rave-sp-pwrbutton.
 
+config INPUT_SC27XX_VIBRA
+	tristate "Spreadtrum sc27xx vibrator support"
+	depends on MFD_SC27XX_PMIC || COMPILE_TEST
+	select INPUT_FF_MEMLESS
+	help
+	  This option enables support for Spreadtrum sc27xx vibrator driver.
+
+	  To compile this driver as a module, choose M here. The module will
+	  be called sc27xx_vibra.
+
 endif
diff --git a/drivers/input/misc/Makefile b/drivers/input/misc/Makefile
index 72cde28649e2..9d0f9d1ff68f 100644
--- a/drivers/input/misc/Makefile
+++ b/drivers/input/misc/Makefile
@@ -66,6 +66,7 @@ obj-$(CONFIG_INPUT_RETU_PWRBUTTON)	+= retu-pwrbutton.o
 obj-$(CONFIG_INPUT_AXP20X_PEK)		+= axp20x-pek.o
 obj-$(CONFIG_INPUT_GPIO_ROTARY_ENCODER)	+= rotary_encoder.o
 obj-$(CONFIG_INPUT_RK805_PWRKEY)	+= rk805-pwrkey.o
+obj-$(CONFIG_INPUT_SC27XX_VIBRA)	+= sc27xx-vibra.o
 obj-$(CONFIG_INPUT_SGI_BTNS)		+= sgi_btns.o
 obj-$(CONFIG_INPUT_SIRFSOC_ONKEY)	+= sirfsoc-onkey.o
 obj-$(CONFIG_INPUT_SOC_BUTTON_ARRAY)	+= soc_button_array.o
diff --git a/drivers/input/misc/sc27xx-vibra.c b/drivers/input/misc/sc27xx-vibra.c
new file mode 100644
index 000000000000..295251abbdac
--- /dev/null
+++ b/drivers/input/misc/sc27xx-vibra.c
@@ -0,0 +1,154 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2018 Spreadtrum Communications Inc.
+ */
+
+#include <linux/module.h>
+#include <linux/of_address.h>
+#include <linux/platform_device.h>
+#include <linux/regmap.h>
+#include <linux/input.h>
+#include <linux/workqueue.h>
+
+#define CUR_DRV_CAL_SEL		GENMASK(13, 12)
+#define SLP_LDOVIBR_PD_EN	BIT(9)
+#define LDO_VIBR_PD		BIT(8)
+
+struct vibra_info {
+	struct input_dev	*input_dev;
+	struct work_struct	play_work;
+	struct regmap		*regmap;
+	u32			base;
+	u32			strength;
+	bool			enabled;
+};
+
+static void sc27xx_vibra_set(struct vibra_info *info, bool on)
+{
+	if (on) {
+		regmap_update_bits(info->regmap, info->base, LDO_VIBR_PD, 0);
+		regmap_update_bits(info->regmap, info->base,
+				   SLP_LDOVIBR_PD_EN, 0);
+		info->enabled = true;
+	} else {
+		regmap_update_bits(info->regmap, info->base, LDO_VIBR_PD,
+				   LDO_VIBR_PD);
+		regmap_update_bits(info->regmap, info->base,
+				   SLP_LDOVIBR_PD_EN, SLP_LDOVIBR_PD_EN);
+		info->enabled = false;
+	}
+}
+
+static int sc27xx_vibra_hw_init(struct vibra_info *info)
+{
+	return regmap_update_bits(info->regmap, info->base, CUR_DRV_CAL_SEL, 0);
+}
+
+static void sc27xx_vibra_play_work(struct work_struct *work)
+{
+	struct vibra_info *info = container_of(work, struct vibra_info,
+					       play_work);
+
+	if (info->strength && !info->enabled)
+		sc27xx_vibra_set(info, true);
+	else if (info->strength == 0 && info->enabled)
+		sc27xx_vibra_set(info, false);
+}
+
+static int sc27xx_vibra_play(struct input_dev *input, void *data,
+			     struct ff_effect *effect)
+{
+	struct vibra_info *info = input_get_drvdata(input);
+
+	info->strength = effect->u.rumble.weak_magnitude;
+	schedule_work(&info->play_work);
+
+	return 0;
+}
+
+static void sc27xx_vibra_close(struct input_dev *input)
+{
+	struct vibra_info *info = input_get_drvdata(input);
+
+	cancel_work_sync(&info->play_work);
+	if (info->enabled)
+		sc27xx_vibra_set(info, false);
+}
+
+static int sc27xx_vibra_probe(struct platform_device *pdev)
+{
+	struct vibra_info *info;
+	int error;
+
+	info = devm_kzalloc(&pdev->dev, sizeof(*info), GFP_KERNEL);
+	if (!info)
+		return -ENOMEM;
+
+	info->regmap = dev_get_regmap(pdev->dev.parent, NULL);
+	if (!info->regmap) {
+		dev_err(&pdev->dev, "failed to get vibrator regmap.\n");
+		return -ENODEV;
+	}
+
+	error = device_property_read_u32(&pdev->dev, "reg", &info->base);
+	if (error) {
+		dev_err(&pdev->dev, "failed to get vibrator base address.\n");
+		return error;
+	}
+
+	info->input_dev = devm_input_allocate_device(&pdev->dev);
+	if (!info->input_dev) {
+		dev_err(&pdev->dev, "failed to allocate input device.\n");
+		return -ENOMEM;
+	}
+
+	info->input_dev->name = "sc27xx:vibrator";
+	info->input_dev->id.version = 0;
+	info->input_dev->close = sc27xx_vibra_close;
+
+	input_set_drvdata(info->input_dev, info);
+	input_set_capability(info->input_dev, EV_FF, FF_RUMBLE);
+	INIT_WORK(&info->play_work, sc27xx_vibra_play_work);
+	info->enabled = false;
+
+	error = sc27xx_vibra_hw_init(info);
+	if (error) {
+		dev_err(&pdev->dev, "failed to initialize the vibrator.\n");
+		return error;
+	}
+
+	error = input_ff_create_memless(info->input_dev, NULL,
+					sc27xx_vibra_play);
+	if (error) {
+		dev_err(&pdev->dev, "failed to register vibrator to FF.\n");
+		return error;
+	}
+
+	error = input_register_device(info->input_dev);
+	if (error) {
+		dev_err(&pdev->dev, "failed to register input device.\n");
+		return error;
+	}
+
+	return 0;
+}
+
+static const struct of_device_id sc27xx_vibra_of_match[] = {
+	{ .compatible = "sprd,sc2731-vibrator", },
+	{}
+};
+MODULE_DEVICE_TABLE(of, sc27xx_vibra_of_match);
+
+static struct platform_driver sc27xx_vibra_driver = {
+	.driver = {
+		.name = "sc27xx-vibrator",
+		.of_match_table = sc27xx_vibra_of_match,
+	},
+	.probe = sc27xx_vibra_probe,
+};
+
+module_platform_driver(sc27xx_vibra_driver);
+
+MODULE_DESCRIPTION("Spreadtrum SC27xx Vibrator Driver");
+MODULE_LICENSE("GPL v2");
+MODULE_AUTHOR("Xiaotong Lu <xiaotong.lu@spreadtrum.com>");
diff --git a/drivers/input/mouse/elan_i2c.h b/drivers/input/mouse/elan_i2c.h
index 599544c1a91c..243e0fa6e3e3 100644
--- a/drivers/input/mouse/elan_i2c.h
+++ b/drivers/input/mouse/elan_i2c.h
@@ -27,6 +27,8 @@
 #define ETP_DISABLE_POWER	0x0001
 #define ETP_PRESSURE_OFFSET	25
 
+#define ETP_CALIBRATE_MAX_LEN	3
+
 /* IAP Firmware handling */
 #define ETP_PRODUCT_ID_FORMAT_STRING	"%d.0"
 #define ETP_FW_NAME		"elan_i2c_" ETP_PRODUCT_ID_FORMAT_STRING ".bin"
diff --git a/drivers/input/mouse/elan_i2c_core.c b/drivers/input/mouse/elan_i2c_core.c
index 8ff75114e762..f5ae24865355 100644
--- a/drivers/input/mouse/elan_i2c_core.c
+++ b/drivers/input/mouse/elan_i2c_core.c
@@ -613,7 +613,7 @@ static ssize_t calibrate_store(struct device *dev,
 	int tries = 20;
 	int retval;
 	int error;
-	u8 val[3];
+	u8 val[ETP_CALIBRATE_MAX_LEN];
 
 	retval = mutex_lock_interruptible(&data->sysfs_mutex);
 	if (retval)
@@ -1345,6 +1345,9 @@ static const struct acpi_device_id elan_acpi_id[] = {
 	{ "ELAN060C", 0 },
 	{ "ELAN0611", 0 },
 	{ "ELAN0612", 0 },
+	{ "ELAN0618", 0 },
+	{ "ELAN061D", 0 },
+	{ "ELAN0622", 0 },
 	{ "ELAN1000", 0 },
 	{ }
 };
diff --git a/drivers/input/mouse/elan_i2c_smbus.c b/drivers/input/mouse/elan_i2c_smbus.c
index cfcb32559925..c060d270bc4d 100644
--- a/drivers/input/mouse/elan_i2c_smbus.c
+++ b/drivers/input/mouse/elan_i2c_smbus.c
@@ -56,7 +56,7 @@
 static int elan_smbus_initialize(struct i2c_client *client)
 {
 	u8 check[ETP_SMBUS_HELLOPACKET_LEN] = { 0x55, 0x55, 0x55, 0x55, 0x55 };
-	u8 values[ETP_SMBUS_HELLOPACKET_LEN] = { 0, 0, 0, 0, 0 };
+	u8 values[I2C_SMBUS_BLOCK_MAX] = {0};
 	int len, error;
 
 	/* Get hello packet */
@@ -117,12 +117,16 @@ static int elan_smbus_calibrate(struct i2c_client *client)
 static int elan_smbus_calibrate_result(struct i2c_client *client, u8 *val)
 {
 	int error;
+	u8 buf[I2C_SMBUS_BLOCK_MAX] = {0};
+
+	BUILD_BUG_ON(ETP_CALIBRATE_MAX_LEN > sizeof(buf));
 
 	error = i2c_smbus_read_block_data(client,
-					  ETP_SMBUS_CALIBRATE_QUERY, val);
+					  ETP_SMBUS_CALIBRATE_QUERY, buf);
 	if (error < 0)
 		return error;
 
+	memcpy(val, buf, ETP_CALIBRATE_MAX_LEN);
 	return 0;
 }
 
@@ -472,6 +476,8 @@ static int elan_smbus_get_report(struct i2c_client *client, u8 *report)
 {
 	int len;
 
+	BUILD_BUG_ON(I2C_SMBUS_BLOCK_MAX > ETP_SMBUS_REPORT_LEN);
+
 	len = i2c_smbus_read_block_data(client,
 					ETP_SMBUS_PACKET_QUERY,
 					&report[ETP_SMBUS_REPORT_OFFSET]);
diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c
index fb4d902c4403..dd85b16dc6f8 100644
--- a/drivers/input/mouse/elantech.c
+++ b/drivers/input/mouse/elantech.c
@@ -799,7 +799,7 @@ static int elantech_packet_check_v4(struct psmouse *psmouse)
 	else if (ic_version == 7 && etd->info.samples[1] == 0x2A)
 		sanity_check = ((packet[3] & 0x1c) == 0x10);
 	else
-		sanity_check = ((packet[0] & 0x0c) == 0x04 &&
+		sanity_check = ((packet[0] & 0x08) == 0x00 &&
 				(packet[3] & 0x1c) == 0x10);
 
 	if (!sanity_check)
@@ -1175,6 +1175,12 @@ static const struct dmi_system_id elantech_dmi_has_middle_button[] = {
 	{ }
 };
 
+static const char * const middle_button_pnp_ids[] = {
+	"LEN2131", /* ThinkPad P52 w/ NFC */
+	"LEN2132", /* ThinkPad P52 */
+	NULL
+};
+
 /*
  * Set the appropriate event bits for the input subsystem
  */
@@ -1194,7 +1200,8 @@ static int elantech_set_input_params(struct psmouse *psmouse)
 	__clear_bit(EV_REL, dev->evbit);
 
 	__set_bit(BTN_LEFT, dev->keybit);
-	if (dmi_check_system(elantech_dmi_has_middle_button))
+	if (dmi_check_system(elantech_dmi_has_middle_button) ||
+			psmouse_matches_pnp_id(psmouse, middle_button_pnp_ids))
 		__set_bit(BTN_MIDDLE, dev->keybit);
 	__set_bit(BTN_RIGHT, dev->keybit);
 
diff --git a/drivers/input/mouse/psmouse-base.c b/drivers/input/mouse/psmouse-base.c
index 5ff5b1952be0..d3ff1fc09af7 100644
--- a/drivers/input/mouse/psmouse-base.c
+++ b/drivers/input/mouse/psmouse-base.c
@@ -192,8 +192,8 @@ psmouse_ret_t psmouse_process_byte(struct psmouse *psmouse)
 			else
 				input_report_rel(dev, REL_WHEEL, -wheel);
 
-			input_report_key(dev, BTN_SIDE,  BIT(4));
-			input_report_key(dev, BTN_EXTRA, BIT(5));
+			input_report_key(dev, BTN_SIDE,  packet[3] & BIT(4));
+			input_report_key(dev, BTN_EXTRA, packet[3] & BIT(5));
 			break;
 		}
 		break;
@@ -203,13 +203,13 @@ psmouse_ret_t psmouse_process_byte(struct psmouse *psmouse)
 		input_report_rel(dev, REL_WHEEL, -(s8) packet[3]);
 
 		/* Extra buttons on Genius NewNet 3D */
-		input_report_key(dev, BTN_SIDE,  BIT(6));
-		input_report_key(dev, BTN_EXTRA, BIT(7));
+		input_report_key(dev, BTN_SIDE,  packet[0] & BIT(6));
+		input_report_key(dev, BTN_EXTRA, packet[0] & BIT(7));
 		break;
 
 	case PSMOUSE_THINKPS:
 		/* Extra button on ThinkingMouse */
-		input_report_key(dev, BTN_EXTRA, BIT(3));
+		input_report_key(dev, BTN_EXTRA, packet[0] & BIT(3));
 
 		/*
 		 * Without this bit of weirdness moving up gives wildly
@@ -223,7 +223,7 @@ psmouse_ret_t psmouse_process_byte(struct psmouse *psmouse)
 		 * Cortron PS2 Trackball reports SIDE button in the
 		 * 4th bit of the first byte.
 		 */
-		input_report_key(dev, BTN_SIDE, BIT(3));
+		input_report_key(dev, BTN_SIDE, packet[0] & BIT(3));
 		packet[0] |= BIT(3);
 		break;
 
diff --git a/drivers/input/rmi4/Kconfig b/drivers/input/rmi4/Kconfig
index 7172b88cd064..fad2eae4a118 100644
--- a/drivers/input/rmi4/Kconfig
+++ b/drivers/input/rmi4/Kconfig
@@ -3,6 +3,7 @@
 #
 config RMI4_CORE
 	tristate "Synaptics RMI4 bus support"
+	select IRQ_DOMAIN
 	help
 	  Say Y here if you want to support the Synaptics RMI4 bus.  This is
 	  required for all RMI4 device support.
diff --git a/drivers/input/rmi4/rmi_2d_sensor.c b/drivers/input/rmi4/rmi_2d_sensor.c
index 8bb866c7b985..8eeffa066022 100644
--- a/drivers/input/rmi4/rmi_2d_sensor.c
+++ b/drivers/input/rmi4/rmi_2d_sensor.c
@@ -32,15 +32,15 @@ void rmi_2d_sensor_abs_process(struct rmi_2d_sensor *sensor,
 	if (obj->type == RMI_2D_OBJECT_NONE)
 		return;
 
-	if (axis_align->swap_axes)
-		swap(obj->x, obj->y);
-
 	if (axis_align->flip_x)
 		obj->x = sensor->max_x - obj->x;
 
 	if (axis_align->flip_y)
 		obj->y = sensor->max_y - obj->y;
 
+	if (axis_align->swap_axes)
+		swap(obj->x, obj->y);
+
 	/*
 	 * Here checking if X offset or y offset are specified is
 	 * redundant. We just add the offsets or clip the values.
@@ -120,15 +120,15 @@ void rmi_2d_sensor_rel_report(struct rmi_2d_sensor *sensor, int x, int y)
 	x = min(RMI_2D_REL_POS_MAX, max(RMI_2D_REL_POS_MIN, (int)x));
 	y = min(RMI_2D_REL_POS_MAX, max(RMI_2D_REL_POS_MIN, (int)y));
 
-	if (axis_align->swap_axes)
-		swap(x, y);
-
 	if (axis_align->flip_x)
 		x = min(RMI_2D_REL_POS_MAX, -x);
 
 	if (axis_align->flip_y)
 		y = min(RMI_2D_REL_POS_MAX, -y);
 
+	if (axis_align->swap_axes)
+		swap(x, y);
+
 	if (x || y) {
 		input_report_rel(sensor->input, REL_X, x);
 		input_report_rel(sensor->input, REL_Y, y);
@@ -141,17 +141,10 @@ static void rmi_2d_sensor_set_input_params(struct rmi_2d_sensor *sensor)
 	struct input_dev *input = sensor->input;
 	int res_x;
 	int res_y;
+	int max_x, max_y;
 	int input_flags = 0;
 
 	if (sensor->report_abs) {
-		if (sensor->axis_align.swap_axes) {
-			swap(sensor->max_x, sensor->max_y);
-			swap(sensor->axis_align.clip_x_low,
-			     sensor->axis_align.clip_y_low);
-			swap(sensor->axis_align.clip_x_high,
-			     sensor->axis_align.clip_y_high);
-		}
-
 		sensor->min_x = sensor->axis_align.clip_x_low;
 		if (sensor->axis_align.clip_x_high)
 			sensor->max_x = min(sensor->max_x,
@@ -163,14 +156,19 @@ static void rmi_2d_sensor_set_input_params(struct rmi_2d_sensor *sensor)
 				sensor->axis_align.clip_y_high);
 
 		set_bit(EV_ABS, input->evbit);
-		input_set_abs_params(input, ABS_MT_POSITION_X, 0, sensor->max_x,
-					0, 0);
-		input_set_abs_params(input, ABS_MT_POSITION_Y, 0, sensor->max_y,
-					0, 0);
+
+		max_x = sensor->max_x;
+		max_y = sensor->max_y;
+		if (sensor->axis_align.swap_axes)
+			swap(max_x, max_y);
+		input_set_abs_params(input, ABS_MT_POSITION_X, 0, max_x, 0, 0);
+		input_set_abs_params(input, ABS_MT_POSITION_Y, 0, max_y, 0, 0);
 
 		if (sensor->x_mm && sensor->y_mm) {
 			res_x = (sensor->max_x - sensor->min_x) / sensor->x_mm;
 			res_y = (sensor->max_y - sensor->min_y) / sensor->y_mm;
+			if (sensor->axis_align.swap_axes)
+				swap(res_x, res_y);
 
 			input_abs_set_res(input, ABS_X, res_x);
 			input_abs_set_res(input, ABS_Y, res_y);
diff --git a/drivers/input/rmi4/rmi_bus.c b/drivers/input/rmi4/rmi_bus.c
index c5fa53adba8d..bd0d5ff01b08 100644
--- a/drivers/input/rmi4/rmi_bus.c
+++ b/drivers/input/rmi4/rmi_bus.c
@@ -9,6 +9,8 @@
 
 #include <linux/kernel.h>
 #include <linux/device.h>
+#include <linux/irq.h>
+#include <linux/irqdomain.h>
 #include <linux/list.h>
 #include <linux/pm.h>
 #include <linux/rmi.h>
@@ -167,6 +169,39 @@ static inline void rmi_function_of_probe(struct rmi_function *fn)
 {}
 #endif
 
+static struct irq_chip rmi_irq_chip = {
+	.name = "rmi4",
+};
+
+static int rmi_create_function_irq(struct rmi_function *fn,
+				   struct rmi_function_handler *handler)
+{
+	struct rmi_driver_data *drvdata = dev_get_drvdata(&fn->rmi_dev->dev);
+	int i, error;
+
+	for (i = 0; i < fn->num_of_irqs; i++) {
+		set_bit(fn->irq_pos + i, fn->irq_mask);
+
+		fn->irq[i] = irq_create_mapping(drvdata->irqdomain,
+						fn->irq_pos + i);
+
+		irq_set_chip_data(fn->irq[i], fn);
+		irq_set_chip_and_handler(fn->irq[i], &rmi_irq_chip,
+					 handle_simple_irq);
+		irq_set_nested_thread(fn->irq[i], 1);
+
+		error = devm_request_threaded_irq(&fn->dev, fn->irq[i], NULL,
+					handler->attention, IRQF_ONESHOT,
+					dev_name(&fn->dev), fn);
+		if (error) {
+			dev_err(&fn->dev, "Error %d registering IRQ\n", error);
+			return error;
+		}
+	}
+
+	return 0;
+}
+
 static int rmi_function_probe(struct device *dev)
 {
 	struct rmi_function *fn = to_rmi_function(dev);
@@ -178,7 +213,14 @@ static int rmi_function_probe(struct device *dev)
 
 	if (handler->probe) {
 		error = handler->probe(fn);
-		return error;
+		if (error)
+			return error;
+	}
+
+	if (fn->num_of_irqs && handler->attention) {
+		error = rmi_create_function_irq(fn, handler);
+		if (error)
+			return error;
 	}
 
 	return 0;
@@ -230,12 +272,18 @@ err_put_device:
 
 void rmi_unregister_function(struct rmi_function *fn)
 {
+	int i;
+
 	rmi_dbg(RMI_DEBUG_CORE, &fn->dev, "Unregistering F%02X.\n",
 			fn->fd.function_number);
 
 	device_del(&fn->dev);
 	of_node_put(fn->dev.of_node);
 	put_device(&fn->dev);
+
+	for (i = 0; i < fn->num_of_irqs; i++)
+		irq_dispose_mapping(fn->irq[i]);
+
 }
 
 /**
diff --git a/drivers/input/rmi4/rmi_bus.h b/drivers/input/rmi4/rmi_bus.h
index b7625a9ac66a..96383eab41ba 100644
--- a/drivers/input/rmi4/rmi_bus.h
+++ b/drivers/input/rmi4/rmi_bus.h
@@ -14,6 +14,12 @@
 
 struct rmi_device;
 
+/*
+ * The interrupt source count in the function descriptor can represent up to
+ * 6 interrupt sources in the normal manner.
+ */
+#define RMI_FN_MAX_IRQS	6
+
 /**
  * struct rmi_function - represents the implementation of an RMI4
  * function for a particular device (basically, a driver for that RMI4 function)
@@ -26,6 +32,7 @@ struct rmi_device;
  * @irq_pos: The position in the irq bitfield this function holds
  * @irq_mask: For convenience, can be used to mask IRQ bits off during ATTN
  * interrupt handling.
+ * @irqs: assigned virq numbers (up to num_of_irqs)
  *
  * @node: entry in device's list of functions
  */
@@ -36,6 +43,7 @@ struct rmi_function {
 	struct list_head node;
 
 	unsigned int num_of_irqs;
+	int irq[RMI_FN_MAX_IRQS];
 	unsigned int irq_pos;
 	unsigned long irq_mask[];
 };
@@ -76,7 +84,7 @@ struct rmi_function_handler {
 	void (*remove)(struct rmi_function *fn);
 	int (*config)(struct rmi_function *fn);
 	int (*reset)(struct rmi_function *fn);
-	int (*attention)(struct rmi_function *fn, unsigned long *irq_bits);
+	irqreturn_t (*attention)(int irq, void *ctx);
 	int (*suspend)(struct rmi_function *fn);
 	int (*resume)(struct rmi_function *fn);
 };
diff --git a/drivers/input/rmi4/rmi_driver.c b/drivers/input/rmi4/rmi_driver.c
index 7d29053dfb0f..fc3ab93b7aea 100644
--- a/drivers/input/rmi4/rmi_driver.c
+++ b/drivers/input/rmi4/rmi_driver.c
@@ -21,6 +21,7 @@
 #include <linux/pm.h>
 #include <linux/slab.h>
 #include <linux/of.h>
+#include <linux/irqdomain.h>
 #include <uapi/linux/input.h>
 #include <linux/rmi.h>
 #include "rmi_bus.h"
@@ -127,28 +128,11 @@ static int rmi_driver_process_config_requests(struct rmi_device *rmi_dev)
 	return 0;
 }
 
-static void process_one_interrupt(struct rmi_driver_data *data,
-				  struct rmi_function *fn)
-{
-	struct rmi_function_handler *fh;
-
-	if (!fn || !fn->dev.driver)
-		return;
-
-	fh = to_rmi_function_handler(fn->dev.driver);
-	if (fh->attention) {
-		bitmap_and(data->fn_irq_bits, data->irq_status, fn->irq_mask,
-				data->irq_count);
-		if (!bitmap_empty(data->fn_irq_bits, data->irq_count))
-			fh->attention(fn, data->fn_irq_bits);
-	}
-}
-
 static int rmi_process_interrupt_requests(struct rmi_device *rmi_dev)
 {
 	struct rmi_driver_data *data = dev_get_drvdata(&rmi_dev->dev);
 	struct device *dev = &rmi_dev->dev;
-	struct rmi_function *entry;
+	int i;
 	int error;
 
 	if (!data)
@@ -173,16 +157,8 @@ static int rmi_process_interrupt_requests(struct rmi_device *rmi_dev)
 	 */
 	mutex_unlock(&data->irq_mutex);
 
-	/*
-	 * It would be nice to be able to use irq_chip to handle these
-	 * nested IRQs.  Unfortunately, most of the current customers for
-	 * this driver are using older kernels (3.0.x) that don't support
-	 * the features required for that.  Once they've shifted to more
-	 * recent kernels (say, 3.3 and higher), this should be switched to
-	 * use irq_chip.
-	 */
-	list_for_each_entry(entry, &data->function_list, node)
-		process_one_interrupt(data, entry);
+	for_each_set_bit(i, data->irq_status, data->irq_count)
+		handle_nested_irq(irq_find_mapping(data->irqdomain, i));
 
 	if (data->input)
 		input_sync(data->input);
@@ -1001,9 +977,13 @@ EXPORT_SYMBOL_GPL(rmi_driver_resume);
 static int rmi_driver_remove(struct device *dev)
 {
 	struct rmi_device *rmi_dev = to_rmi_device(dev);
+	struct rmi_driver_data *data = dev_get_drvdata(&rmi_dev->dev);
 
 	rmi_disable_irq(rmi_dev, false);
 
+	irq_domain_remove(data->irqdomain);
+	data->irqdomain = NULL;
+
 	rmi_f34_remove_sysfs(rmi_dev);
 	rmi_free_function_list(rmi_dev);
 
@@ -1035,7 +1015,8 @@ int rmi_probe_interrupts(struct rmi_driver_data *data)
 {
 	struct rmi_device *rmi_dev = data->rmi_dev;
 	struct device *dev = &rmi_dev->dev;
-	int irq_count;
+	struct fwnode_handle *fwnode = rmi_dev->xport->dev->fwnode;
+	int irq_count = 0;
 	size_t size;
 	int retval;
 
@@ -1046,7 +1027,6 @@ int rmi_probe_interrupts(struct rmi_driver_data *data)
 	 * being accessed.
 	 */
 	rmi_dbg(RMI_DEBUG_CORE, dev, "%s: Counting IRQs.\n", __func__);
-	irq_count = 0;
 	data->bootloader_mode = false;
 
 	retval = rmi_scan_pdt(rmi_dev, &irq_count, rmi_count_irqs);
@@ -1058,6 +1038,15 @@ int rmi_probe_interrupts(struct rmi_driver_data *data)
 	if (data->bootloader_mode)
 		dev_warn(dev, "Device in bootloader mode.\n");
 
+	/* Allocate and register a linear revmap irq_domain */
+	data->irqdomain = irq_domain_create_linear(fwnode, irq_count,
+						   &irq_domain_simple_ops,
+						   data);
+	if (!data->irqdomain) {
+		dev_err(&rmi_dev->dev, "Failed to create IRQ domain\n");
+		return -ENOMEM;
+	}
+
 	data->irq_count = irq_count;
 	data->num_of_irq_regs = (data->irq_count + 7) / 8;
 
@@ -1080,10 +1069,9 @@ int rmi_init_functions(struct rmi_driver_data *data)
 {
 	struct rmi_device *rmi_dev = data->rmi_dev;
 	struct device *dev = &rmi_dev->dev;
-	int irq_count;
+	int irq_count = 0;
 	int retval;
 
-	irq_count = 0;
 	rmi_dbg(RMI_DEBUG_CORE, dev, "%s: Creating functions.\n", __func__);
 	retval = rmi_scan_pdt(rmi_dev, &irq_count, rmi_create_function);
 	if (retval < 0) {
diff --git a/drivers/input/rmi4/rmi_f01.c b/drivers/input/rmi4/rmi_f01.c
index 8a07ae147df6..4edaa14fe878 100644
--- a/drivers/input/rmi4/rmi_f01.c
+++ b/drivers/input/rmi4/rmi_f01.c
@@ -681,9 +681,9 @@ static int rmi_f01_resume(struct rmi_function *fn)
 	return 0;
 }
 
-static int rmi_f01_attention(struct rmi_function *fn,
-			     unsigned long *irq_bits)
+static irqreturn_t rmi_f01_attention(int irq, void *ctx)
 {
+	struct rmi_function *fn = ctx;
 	struct rmi_device *rmi_dev = fn->rmi_dev;
 	int error;
 	u8 device_status;
@@ -692,7 +692,7 @@ static int rmi_f01_attention(struct rmi_function *fn,
 	if (error) {
 		dev_err(&fn->dev,
 			"Failed to read device status: %d.\n", error);
-		return error;
+		return IRQ_RETVAL(error);
 	}
 
 	if (RMI_F01_STATUS_BOOTLOADER(device_status))
@@ -704,11 +704,11 @@ static int rmi_f01_attention(struct rmi_function *fn,
 		error = rmi_dev->driver->reset_handler(rmi_dev);
 		if (error) {
 			dev_err(&fn->dev, "Device reset failed: %d\n", error);
-			return error;
+			return IRQ_RETVAL(error);
 		}
 	}
 
-	return 0;
+	return IRQ_HANDLED;
 }
 
 struct rmi_function_handler rmi_f01_handler = {
diff --git a/drivers/input/rmi4/rmi_f03.c b/drivers/input/rmi4/rmi_f03.c
index 88822196d6b7..aaa1edc95522 100644
--- a/drivers/input/rmi4/rmi_f03.c
+++ b/drivers/input/rmi4/rmi_f03.c
@@ -244,8 +244,9 @@ static int rmi_f03_config(struct rmi_function *fn)
 	return 0;
 }
 
-static int rmi_f03_attention(struct rmi_function *fn, unsigned long *irq_bits)
+static irqreturn_t rmi_f03_attention(int irq, void *ctx)
 {
+	struct rmi_function *fn = ctx;
 	struct rmi_device *rmi_dev = fn->rmi_dev;
 	struct rmi_driver_data *drvdata = dev_get_drvdata(&rmi_dev->dev);
 	struct f03_data *f03 = dev_get_drvdata(&fn->dev);
@@ -262,7 +263,7 @@ static int rmi_f03_attention(struct rmi_function *fn, unsigned long *irq_bits)
 		/* First grab the data passed by the transport device */
 		if (drvdata->attn_data.size < ob_len) {
 			dev_warn(&fn->dev, "F03 interrupted, but data is missing!\n");
-			return 0;
+			return IRQ_HANDLED;
 		}
 
 		memcpy(obs, drvdata->attn_data.data, ob_len);
@@ -277,7 +278,7 @@ static int rmi_f03_attention(struct rmi_function *fn, unsigned long *irq_bits)
 				"%s: Failed to read F03 output buffers: %d\n",
 				__func__, error);
 			serio_interrupt(f03->serio, 0, SERIO_TIMEOUT);
-			return error;
+			return IRQ_RETVAL(error);
 		}
 	}
 
@@ -303,7 +304,7 @@ static int rmi_f03_attention(struct rmi_function *fn, unsigned long *irq_bits)
 		serio_interrupt(f03->serio, ob_data, serio_flags);
 	}
 
-	return 0;
+	return IRQ_HANDLED;
 }
 
 static void rmi_f03_remove(struct rmi_function *fn)
diff --git a/drivers/input/rmi4/rmi_f11.c b/drivers/input/rmi4/rmi_f11.c
index 12a233251793..df64d6aed4f7 100644
--- a/drivers/input/rmi4/rmi_f11.c
+++ b/drivers/input/rmi4/rmi_f11.c
@@ -570,9 +570,7 @@ static inline u8 rmi_f11_parse_finger_state(const u8 *f_state, u8 n_finger)
 }
 
 static void rmi_f11_finger_handler(struct f11_data *f11,
-				   struct rmi_2d_sensor *sensor,
-				   unsigned long *irq_bits, int num_irq_regs,
-				   int size)
+				   struct rmi_2d_sensor *sensor, int size)
 {
 	const u8 *f_state = f11->data.f_state;
 	u8 finger_state;
@@ -581,12 +579,7 @@ static void rmi_f11_finger_handler(struct f11_data *f11,
 	int rel_fingers;
 	int abs_size = sensor->nbr_fingers * RMI_F11_ABS_BYTES;
 
-	int abs_bits = bitmap_and(f11->result_bits, irq_bits, f11->abs_mask,
-				  num_irq_regs * 8);
-	int rel_bits = bitmap_and(f11->result_bits, irq_bits, f11->rel_mask,
-				  num_irq_regs * 8);
-
-	if (abs_bits) {
+	if (sensor->report_abs) {
 		if (abs_size > size)
 			abs_fingers = size / RMI_F11_ABS_BYTES;
 		else
@@ -604,19 +597,7 @@ static void rmi_f11_finger_handler(struct f11_data *f11,
 			rmi_f11_abs_pos_process(f11, sensor, &sensor->objs[i],
 							finger_state, i);
 		}
-	}
 
-	if (rel_bits) {
-		if ((abs_size + sensor->nbr_fingers * RMI_F11_REL_BYTES) > size)
-			rel_fingers = (size - abs_size) / RMI_F11_REL_BYTES;
-		else
-			rel_fingers = sensor->nbr_fingers;
-
-		for (i = 0; i < rel_fingers; i++)
-			rmi_f11_rel_pos_report(f11, i);
-	}
-
-	if (abs_bits) {
 		/*
 		 * the absolute part is made in 2 parts to allow the kernel
 		 * tracking to take place.
@@ -638,7 +619,16 @@ static void rmi_f11_finger_handler(struct f11_data *f11,
 		}
 
 		input_mt_sync_frame(sensor->input);
+	} else if (sensor->report_rel) {
+		if ((abs_size + sensor->nbr_fingers * RMI_F11_REL_BYTES) > size)
+			rel_fingers = (size - abs_size) / RMI_F11_REL_BYTES;
+		else
+			rel_fingers = sensor->nbr_fingers;
+
+		for (i = 0; i < rel_fingers; i++)
+			rmi_f11_rel_pos_report(f11, i);
 	}
+
 }
 
 static int f11_2d_construct_data(struct f11_data *f11)
@@ -1276,8 +1266,9 @@ static int rmi_f11_config(struct rmi_function *fn)
 	return 0;
 }
 
-static int rmi_f11_attention(struct rmi_function *fn, unsigned long *irq_bits)
+static irqreturn_t rmi_f11_attention(int irq, void *ctx)
 {
+	struct rmi_function *fn = ctx;
 	struct rmi_device *rmi_dev = fn->rmi_dev;
 	struct rmi_driver_data *drvdata = dev_get_drvdata(&rmi_dev->dev);
 	struct f11_data *f11 = dev_get_drvdata(&fn->dev);
@@ -1303,13 +1294,12 @@ static int rmi_f11_attention(struct rmi_function *fn, unsigned long *irq_bits)
 				data_base_addr, f11->sensor.data_pkt,
 				f11->sensor.pkt_size);
 		if (error < 0)
-			return error;
+			return IRQ_RETVAL(error);
 	}
 
-	rmi_f11_finger_handler(f11, &f11->sensor, irq_bits,
-				drvdata->num_of_irq_regs, valid_bytes);
+	rmi_f11_finger_handler(f11, &f11->sensor, valid_bytes);
 
-	return 0;
+	return IRQ_HANDLED;
 }
 
 static int rmi_f11_resume(struct rmi_function *fn)
diff --git a/drivers/input/rmi4/rmi_f12.c b/drivers/input/rmi4/rmi_f12.c
index a3d1aa88f2a9..5c7f48915779 100644
--- a/drivers/input/rmi4/rmi_f12.c
+++ b/drivers/input/rmi4/rmi_f12.c
@@ -197,10 +197,10 @@ static void rmi_f12_process_objects(struct f12_data *f12, u8 *data1, int size)
 		rmi_2d_sensor_abs_report(sensor, &sensor->objs[i], i);
 }
 
-static int rmi_f12_attention(struct rmi_function *fn,
-			     unsigned long *irq_nr_regs)
+static irqreturn_t rmi_f12_attention(int irq, void *ctx)
 {
 	int retval;
+	struct rmi_function *fn = ctx;
 	struct rmi_device *rmi_dev = fn->rmi_dev;
 	struct rmi_driver_data *drvdata = dev_get_drvdata(&rmi_dev->dev);
 	struct f12_data *f12 = dev_get_drvdata(&fn->dev);
@@ -222,7 +222,7 @@ static int rmi_f12_attention(struct rmi_function *fn,
 		if (retval < 0) {
 			dev_err(&fn->dev, "Failed to read object data. Code: %d.\n",
 				retval);
-			return retval;
+			return IRQ_RETVAL(retval);
 		}
 	}
 
@@ -232,7 +232,7 @@ static int rmi_f12_attention(struct rmi_function *fn,
 
 	input_mt_sync_frame(sensor->input);
 
-	return 0;
+	return IRQ_HANDLED;
 }
 
 static int rmi_f12_write_control_regs(struct rmi_function *fn)
diff --git a/drivers/input/rmi4/rmi_f30.c b/drivers/input/rmi4/rmi_f30.c
index 82e0f0d43d55..5e3ed5ac0c3e 100644
--- a/drivers/input/rmi4/rmi_f30.c
+++ b/drivers/input/rmi4/rmi_f30.c
@@ -122,8 +122,9 @@ static void rmi_f30_report_button(struct rmi_function *fn,
 	}
 }
 
-static int rmi_f30_attention(struct rmi_function *fn, unsigned long *irq_bits)
+static irqreturn_t rmi_f30_attention(int irq, void *ctx)
 {
+	struct rmi_function *fn = ctx;
 	struct f30_data *f30 = dev_get_drvdata(&fn->dev);
 	struct rmi_driver_data *drvdata = dev_get_drvdata(&fn->rmi_dev->dev);
 	int error;
@@ -134,7 +135,7 @@ static int rmi_f30_attention(struct rmi_function *fn, unsigned long *irq_bits)
 		if (drvdata->attn_data.size < f30->register_count) {
 			dev_warn(&fn->dev,
 				 "F30 interrupted, but data is missing\n");
-			return 0;
+			return IRQ_HANDLED;
 		}
 		memcpy(f30->data_regs, drvdata->attn_data.data,
 			f30->register_count);
@@ -147,7 +148,7 @@ static int rmi_f30_attention(struct rmi_function *fn, unsigned long *irq_bits)
 			dev_err(&fn->dev,
 				"%s: Failed to read F30 data registers: %d\n",
 				__func__, error);
-			return error;
+			return IRQ_RETVAL(error);
 		}
 	}
 
@@ -159,7 +160,7 @@ static int rmi_f30_attention(struct rmi_function *fn, unsigned long *irq_bits)
 			rmi_f03_commit_buttons(f30->f03);
 	}
 
-	return 0;
+	return IRQ_HANDLED;
 }
 
 static int rmi_f30_config(struct rmi_function *fn)
diff --git a/drivers/input/rmi4/rmi_f34.c b/drivers/input/rmi4/rmi_f34.c
index f1f5ac539d5d..87a7d4ba382d 100644
--- a/drivers/input/rmi4/rmi_f34.c
+++ b/drivers/input/rmi4/rmi_f34.c
@@ -100,8 +100,9 @@ static int rmi_f34_command(struct f34_data *f34, u8 command,
 	return 0;
 }
 
-static int rmi_f34_attention(struct rmi_function *fn, unsigned long *irq_bits)
+static irqreturn_t rmi_f34_attention(int irq, void *ctx)
 {
+	struct rmi_function *fn = ctx;
 	struct f34_data *f34 = dev_get_drvdata(&fn->dev);
 	int ret;
 	u8 status;
@@ -126,7 +127,7 @@ static int rmi_f34_attention(struct rmi_function *fn, unsigned long *irq_bits)
 			complete(&f34->v7.cmd_done);
 	}
 
-	return 0;
+	return IRQ_HANDLED;
 }
 
 static int rmi_f34_write_blocks(struct f34_data *f34, const void *data,
diff --git a/drivers/input/rmi4/rmi_f54.c b/drivers/input/rmi4/rmi_f54.c
index e8a59d164019..a6f515bcab22 100644
--- a/drivers/input/rmi4/rmi_f54.c
+++ b/drivers/input/rmi4/rmi_f54.c
@@ -610,11 +610,6 @@ error:
 	mutex_unlock(&f54->data_mutex);
 }
 
-static int rmi_f54_attention(struct rmi_function *fn, unsigned long *irqbits)
-{
-	return 0;
-}
-
 static int rmi_f54_config(struct rmi_function *fn)
 {
 	struct rmi_driver *drv = fn->rmi_dev->driver;
@@ -756,6 +751,5 @@ struct rmi_function_handler rmi_f54_handler = {
 	.func = 0x54,
 	.probe = rmi_f54_probe,
 	.config = rmi_f54_config,
-	.attention = rmi_f54_attention,
 	.remove = rmi_f54_remove,
 };
diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h
index b353d494ad40..136f6e7bf797 100644
--- a/drivers/input/serio/i8042-x86ia64io.h
+++ b/drivers/input/serio/i8042-x86ia64io.h
@@ -527,6 +527,13 @@ static const struct dmi_system_id __initconst i8042_dmi_nomux_table[] = {
 			DMI_MATCH(DMI_PRODUCT_NAME, "N24_25BU"),
 		},
 	},
+	{
+		/* Lenovo LaVie Z */
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+			DMI_MATCH(DMI_PRODUCT_VERSION, "Lenovo LaVie Z"),
+		},
+	},
 	{ }
 };
 
diff --git a/drivers/input/touchscreen/silead.c b/drivers/input/touchscreen/silead.c
index ff7043f74a3d..d196ac3d8b8c 100644
--- a/drivers/input/touchscreen/silead.c
+++ b/drivers/input/touchscreen/silead.c
@@ -603,6 +603,7 @@ static const struct acpi_device_id silead_ts_acpi_match[] = {
 	{ "GSL3692", 0 },
 	{ "MSSL1680", 0 },
 	{ "MSSL0001", 0 },
+	{ "MSSL0002", 0 },
 	{ }
 };
 MODULE_DEVICE_TABLE(acpi, silead_ts_acpi_match);
diff --git a/drivers/iommu/Kconfig b/drivers/iommu/Kconfig
index e055d228bfb9..689ffe538370 100644
--- a/drivers/iommu/Kconfig
+++ b/drivers/iommu/Kconfig
@@ -142,7 +142,6 @@ config DMAR_TABLE
 config INTEL_IOMMU
 	bool "Support for Intel IOMMU using DMA Remapping Devices"
 	depends on PCI_MSI && ACPI && (X86 || IA64_GENERIC)
-	select DMA_DIRECT_OPS
 	select IOMMU_API
 	select IOMMU_IOVA
 	select NEED_DMA_MAP_STATE
diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
index 14e4b3722428..115ff26e9ced 100644
--- a/drivers/iommu/intel-iommu.c
+++ b/drivers/iommu/intel-iommu.c
@@ -31,7 +31,6 @@
 #include <linux/pci.h>
 #include <linux/dmar.h>
 #include <linux/dma-mapping.h>
-#include <linux/dma-direct.h>
 #include <linux/mempool.h>
 #include <linux/memory.h>
 #include <linux/cpu.h>
@@ -485,14 +484,37 @@ static int dmar_forcedac;
 static int intel_iommu_strict;
 static int intel_iommu_superpage = 1;
 static int intel_iommu_ecs = 1;
+static int intel_iommu_pasid28;
 static int iommu_identity_mapping;
 
 #define IDENTMAP_ALL		1
 #define IDENTMAP_GFX		2
 #define IDENTMAP_AZALIA		4
 
-#define ecs_enabled(iommu)	(intel_iommu_ecs && ecap_ecs(iommu->ecap))
-#define pasid_enabled(iommu)	(ecs_enabled(iommu) && ecap_pasid(iommu->ecap))
+/* Broadwell and Skylake have broken ECS support — normal so-called "second
+ * level" translation of DMA requests-without-PASID doesn't actually happen
+ * unless you also set the NESTE bit in an extended context-entry. Which of
+ * course means that SVM doesn't work because it's trying to do nested
+ * translation of the physical addresses it finds in the process page tables,
+ * through the IOVA->phys mapping found in the "second level" page tables.
+ *
+ * The VT-d specification was retroactively changed to change the definition
+ * of the capability bits and pretend that Broadwell/Skylake never happened...
+ * but unfortunately the wrong bit was changed. It's ECS which is broken, but
+ * for some reason it was the PASID capability bit which was redefined (from
+ * bit 28 on BDW/SKL to bit 40 in future).
+ *
+ * So our test for ECS needs to eschew those implementations which set the old
+ * PASID capabiity bit 28, since those are the ones on which ECS is broken.
+ * Unless we are working around the 'pasid28' limitations, that is, by putting
+ * the device into passthrough mode for normal DMA and thus masking the bug.
+ */
+#define ecs_enabled(iommu) (intel_iommu_ecs && ecap_ecs(iommu->ecap) && \
+			    (intel_iommu_pasid28 || !ecap_broken_pasid(iommu->ecap)))
+/* PASID support is thus enabled if ECS is enabled and *either* of the old
+ * or new capability bits are set. */
+#define pasid_enabled(iommu) (ecs_enabled(iommu) &&			\
+			      (ecap_pasid(iommu->ecap) || ecap_broken_pasid(iommu->ecap)))
 
 int intel_iommu_gfx_mapped;
 EXPORT_SYMBOL_GPL(intel_iommu_gfx_mapped);
@@ -555,6 +577,11 @@ static int __init intel_iommu_setup(char *str)
 			printk(KERN_INFO
 				"Intel-IOMMU: disable extended context table support\n");
 			intel_iommu_ecs = 0;
+		} else if (!strncmp(str, "pasid28", 7)) {
+			printk(KERN_INFO
+				"Intel-IOMMU: enable pre-production PASID support\n");
+			intel_iommu_pasid28 = 1;
+			iommu_identity_mapping |= IDENTMAP_GFX;
 		} else if (!strncmp(str, "tboot_noforce", 13)) {
 			printk(KERN_INFO
 				"Intel-IOMMU: not forcing on after tboot. This could expose security risk for tboot\n");
@@ -3713,30 +3740,61 @@ static void *intel_alloc_coherent(struct device *dev, size_t size,
 				  dma_addr_t *dma_handle, gfp_t flags,
 				  unsigned long attrs)
 {
-	void *vaddr;
+	struct page *page = NULL;
+	int order;
 
-	vaddr = dma_direct_alloc(dev, size, dma_handle, flags, attrs);
-	if (iommu_no_mapping(dev) || !vaddr)
-		return vaddr;
+	size = PAGE_ALIGN(size);
+	order = get_order(size);
 
-	*dma_handle = __intel_map_single(dev, virt_to_phys(vaddr),
-			PAGE_ALIGN(size), DMA_BIDIRECTIONAL,
-			dev->coherent_dma_mask);
-	if (!*dma_handle)
-		goto out_free_pages;
-	return vaddr;
+	if (!iommu_no_mapping(dev))
+		flags &= ~(GFP_DMA | GFP_DMA32);
+	else if (dev->coherent_dma_mask < dma_get_required_mask(dev)) {
+		if (dev->coherent_dma_mask < DMA_BIT_MASK(32))
+			flags |= GFP_DMA;
+		else
+			flags |= GFP_DMA32;
+	}
+
+	if (gfpflags_allow_blocking(flags)) {
+		unsigned int count = size >> PAGE_SHIFT;
+
+		page = dma_alloc_from_contiguous(dev, count, order, flags);
+		if (page && iommu_no_mapping(dev) &&
+		    page_to_phys(page) + size > dev->coherent_dma_mask) {
+			dma_release_from_contiguous(dev, page, count);
+			page = NULL;
+		}
+	}
+
+	if (!page)
+		page = alloc_pages(flags, order);
+	if (!page)
+		return NULL;
+	memset(page_address(page), 0, size);
+
+	*dma_handle = __intel_map_single(dev, page_to_phys(page), size,
+					 DMA_BIDIRECTIONAL,
+					 dev->coherent_dma_mask);
+	if (*dma_handle)
+		return page_address(page);
+	if (!dma_release_from_contiguous(dev, page, size >> PAGE_SHIFT))
+		__free_pages(page, order);
 
-out_free_pages:
-	dma_direct_free(dev, size, vaddr, *dma_handle, attrs);
 	return NULL;
 }
 
 static void intel_free_coherent(struct device *dev, size_t size, void *vaddr,
 				dma_addr_t dma_handle, unsigned long attrs)
 {
-	if (!iommu_no_mapping(dev))
-		intel_unmap(dev, dma_handle, PAGE_ALIGN(size));
-	dma_direct_free(dev, size, vaddr, dma_handle, attrs);
+	int order;
+	struct page *page = virt_to_page(vaddr);
+
+	size = PAGE_ALIGN(size);
+	order = get_order(size);
+
+	intel_unmap(dev, dma_handle, size);
+	if (!dma_release_from_contiguous(dev, page, size >> PAGE_SHIFT))
+		__free_pages(page, order);
 }
 
 static void intel_unmap_sg(struct device *dev, struct scatterlist *sglist,
diff --git a/drivers/irqchip/irq-gic-v2m.c b/drivers/irqchip/irq-gic-v2m.c
index 0f52d44b3f69..f5fe0100f9ff 100644
--- a/drivers/irqchip/irq-gic-v2m.c
+++ b/drivers/irqchip/irq-gic-v2m.c
@@ -199,7 +199,7 @@ static int gicv2m_irq_domain_alloc(struct irq_domain *domain, unsigned int virq,
 
 fail:
 	irq_domain_free_irqs_parent(domain, virq, nr_irqs);
-	gicv2m_unalloc_msi(v2m, hwirq, get_count_order(nr_irqs));
+	gicv2m_unalloc_msi(v2m, hwirq, nr_irqs);
 	return err;
 }
 
diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c
index 5377d7e2afba..d7842d312d3e 100644
--- a/drivers/irqchip/irq-gic-v3-its.c
+++ b/drivers/irqchip/irq-gic-v3-its.c
@@ -182,6 +182,22 @@ static struct its_collection *dev_event_to_col(struct its_device *its_dev,
 	return its->collections + its_dev->event_map.col_map[event];
 }
 
+static struct its_collection *valid_col(struct its_collection *col)
+{
+	if (WARN_ON_ONCE(col->target_address & GENMASK_ULL(0, 15)))
+		return NULL;
+
+	return col;
+}
+
+static struct its_vpe *valid_vpe(struct its_node *its, struct its_vpe *vpe)
+{
+	if (valid_col(its->collections + vpe->col_idx))
+		return vpe;
+
+	return NULL;
+}
+
 /*
  * ITS command descriptors - parameters to be encoded in a command
  * block.
@@ -439,7 +455,7 @@ static struct its_collection *its_build_mapti_cmd(struct its_node *its,
 
 	its_fixup_cmd(cmd);
 
-	return col;
+	return valid_col(col);
 }
 
 static struct its_collection *its_build_movi_cmd(struct its_node *its,
@@ -458,7 +474,7 @@ static struct its_collection *its_build_movi_cmd(struct its_node *its,
 
 	its_fixup_cmd(cmd);
 
-	return col;
+	return valid_col(col);
 }
 
 static struct its_collection *its_build_discard_cmd(struct its_node *its,
@@ -476,7 +492,7 @@ static struct its_collection *its_build_discard_cmd(struct its_node *its,
 
 	its_fixup_cmd(cmd);
 
-	return col;
+	return valid_col(col);
 }
 
 static struct its_collection *its_build_inv_cmd(struct its_node *its,
@@ -494,7 +510,7 @@ static struct its_collection *its_build_inv_cmd(struct its_node *its,
 
 	its_fixup_cmd(cmd);
 
-	return col;
+	return valid_col(col);
 }
 
 static struct its_collection *its_build_int_cmd(struct its_node *its,
@@ -512,7 +528,7 @@ static struct its_collection *its_build_int_cmd(struct its_node *its,
 
 	its_fixup_cmd(cmd);
 
-	return col;
+	return valid_col(col);
 }
 
 static struct its_collection *its_build_clear_cmd(struct its_node *its,
@@ -530,7 +546,7 @@ static struct its_collection *its_build_clear_cmd(struct its_node *its,
 
 	its_fixup_cmd(cmd);
 
-	return col;
+	return valid_col(col);
 }
 
 static struct its_collection *its_build_invall_cmd(struct its_node *its,
@@ -554,7 +570,7 @@ static struct its_vpe *its_build_vinvall_cmd(struct its_node *its,
 
 	its_fixup_cmd(cmd);
 
-	return desc->its_vinvall_cmd.vpe;
+	return valid_vpe(its, desc->its_vinvall_cmd.vpe);
 }
 
 static struct its_vpe *its_build_vmapp_cmd(struct its_node *its,
@@ -576,7 +592,7 @@ static struct its_vpe *its_build_vmapp_cmd(struct its_node *its,
 
 	its_fixup_cmd(cmd);
 
-	return desc->its_vmapp_cmd.vpe;
+	return valid_vpe(its, desc->its_vmapp_cmd.vpe);
 }
 
 static struct its_vpe *its_build_vmapti_cmd(struct its_node *its,
@@ -599,7 +615,7 @@ static struct its_vpe *its_build_vmapti_cmd(struct its_node *its,
 
 	its_fixup_cmd(cmd);
 
-	return desc->its_vmapti_cmd.vpe;
+	return valid_vpe(its, desc->its_vmapti_cmd.vpe);
 }
 
 static struct its_vpe *its_build_vmovi_cmd(struct its_node *its,
@@ -622,7 +638,7 @@ static struct its_vpe *its_build_vmovi_cmd(struct its_node *its,
 
 	its_fixup_cmd(cmd);
 
-	return desc->its_vmovi_cmd.vpe;
+	return valid_vpe(its, desc->its_vmovi_cmd.vpe);
 }
 
 static struct its_vpe *its_build_vmovp_cmd(struct its_node *its,
@@ -640,7 +656,7 @@ static struct its_vpe *its_build_vmovp_cmd(struct its_node *its,
 
 	its_fixup_cmd(cmd);
 
-	return desc->its_vmovp_cmd.vpe;
+	return valid_vpe(its, desc->its_vmovp_cmd.vpe);
 }
 
 static u64 its_cmd_ptr_to_offset(struct its_node *its,
@@ -1824,11 +1840,16 @@ static int its_alloc_tables(struct its_node *its)
 
 static int its_alloc_collections(struct its_node *its)
 {
+	int i;
+
 	its->collections = kcalloc(nr_cpu_ids, sizeof(*its->collections),
 				   GFP_KERNEL);
 	if (!its->collections)
 		return -ENOMEM;
 
+	for (i = 0; i < nr_cpu_ids; i++)
+		its->collections[i].target_address = ~0ULL;
+
 	return 0;
 }
 
@@ -2310,7 +2331,14 @@ static int its_irq_domain_activate(struct irq_domain *domain,
 		cpu_mask = cpumask_of_node(its_dev->its->numa_node);
 
 	/* Bind the LPI to the first possible CPU */
-	cpu = cpumask_first(cpu_mask);
+	cpu = cpumask_first_and(cpu_mask, cpu_online_mask);
+	if (cpu >= nr_cpu_ids) {
+		if (its_dev->its->flags & ITS_FLAGS_WORKAROUND_CAVIUM_23144)
+			return -EINVAL;
+
+		cpu = cpumask_first(cpu_online_mask);
+	}
+
 	its_dev->event_map.col_map[event] = cpu;
 	irq_data_update_effective_affinity(d, cpumask_of(cpu));
 
@@ -3399,6 +3427,16 @@ static int redist_disable_lpis(void)
 	u64 timeout = USEC_PER_SEC;
 	u64 val;
 
+	/*
+	 * If coming via a CPU hotplug event, we don't need to disable
+	 * LPIs before trying to re-enable them. They are already
+	 * configured and all is well in the world. Detect this case
+	 * by checking the allocation of the pending table for the
+	 * current CPU.
+	 */
+	if (gic_data_rdist()->pend_page)
+		return 0;
+
 	if (!gic_rdists_supports_plpis()) {
 		pr_info("CPU%d: LPIs not supported\n", smp_processor_id());
 		return -ENXIO;
diff --git a/drivers/irqchip/irq-ls-scfg-msi.c b/drivers/irqchip/irq-ls-scfg-msi.c
index 1ec3bfe56693..c671b3212010 100644
--- a/drivers/irqchip/irq-ls-scfg-msi.c
+++ b/drivers/irqchip/irq-ls-scfg-msi.c
@@ -93,8 +93,12 @@ static void ls_scfg_msi_compose_msg(struct irq_data *data, struct msi_msg *msg)
 	msg->address_lo = lower_32_bits(msi_data->msiir_addr);
 	msg->data = data->hwirq;
 
-	if (msi_affinity_flag)
-		msg->data |= cpumask_first(data->common->affinity);
+	if (msi_affinity_flag) {
+		const struct cpumask *mask;
+
+		mask = irq_data_get_effective_affinity_mask(data);
+		msg->data |= cpumask_first(mask);
+	}
 
 	iommu_dma_map_msi_msg(data->irq, msg);
 }
@@ -121,7 +125,7 @@ static int ls_scfg_msi_set_affinity(struct irq_data *irq_data,
 		return -EINVAL;
 	}
 
-	cpumask_copy(irq_data->common->affinity, mask);
+	irq_data_update_effective_affinity(irq_data, cpumask_of(cpu));
 
 	return IRQ_SET_MASK_OK;
 }
diff --git a/drivers/isdn/mISDN/socket.c b/drivers/isdn/mISDN/socket.c
index 98f90aadd141..18c0a1281914 100644
--- a/drivers/isdn/mISDN/socket.c
+++ b/drivers/isdn/mISDN/socket.c
@@ -588,7 +588,7 @@ static const struct proto_ops data_sock_ops = {
 	.getname	= data_sock_getname,
 	.sendmsg	= mISDN_sock_sendmsg,
 	.recvmsg	= mISDN_sock_recvmsg,
-	.poll_mask	= datagram_poll_mask,
+	.poll		= datagram_poll,
 	.listen		= sock_no_listen,
 	.shutdown	= sock_no_shutdown,
 	.setsockopt	= data_sock_setsockopt,
diff --git a/drivers/lightnvm/Kconfig b/drivers/lightnvm/Kconfig
index 10c08982185a..9c03f35d9df1 100644
--- a/drivers/lightnvm/Kconfig
+++ b/drivers/lightnvm/Kconfig
@@ -4,7 +4,7 @@
 
 menuconfig NVM
 	bool "Open-Channel SSD target support"
-	depends on BLOCK && HAS_DMA && PCI
+	depends on BLOCK && PCI
 	select BLK_DEV_NVME
 	help
 	  Say Y here to get to enable Open-channel SSDs.
diff --git a/drivers/md/dm-raid.c b/drivers/md/dm-raid.c
index ab13fcec3fca..75df4c9d8b54 100644
--- a/drivers/md/dm-raid.c
+++ b/drivers/md/dm-raid.c
@@ -588,7 +588,7 @@ static const char *raid10_md_layout_to_format(int layout)
 }
 
 /* Return md raid10 algorithm for @name */
-static const int raid10_name_to_format(const char *name)
+static int raid10_name_to_format(const char *name)
 {
 	if (!strcasecmp(name, "near"))
 		return ALGORITHM_RAID10_NEAR;
diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c
index 938766794c2e..3d0e2c198f06 100644
--- a/drivers/md/dm-table.c
+++ b/drivers/md/dm-table.c
@@ -885,9 +885,7 @@ EXPORT_SYMBOL_GPL(dm_table_set_type);
 static int device_supports_dax(struct dm_target *ti, struct dm_dev *dev,
 			       sector_t start, sector_t len, void *data)
 {
-	struct request_queue *q = bdev_get_queue(dev->bdev);
-
-	return q && blk_queue_dax(q);
+	return bdev_dax_supported(dev->bdev, PAGE_SIZE);
 }
 
 static bool dm_table_supports_dax(struct dm_table *t)
@@ -1907,6 +1905,9 @@ void dm_table_set_restrictions(struct dm_table *t, struct request_queue *q,
 
 	if (dm_table_supports_dax(t))
 		blk_queue_flag_set(QUEUE_FLAG_DAX, q);
+	else
+		blk_queue_flag_clear(QUEUE_FLAG_DAX, q);
+
 	if (dm_table_supports_dax_write_cache(t))
 		dax_write_cache(t->md->dax_dev, true);
 
diff --git a/drivers/md/dm-thin-metadata.c b/drivers/md/dm-thin-metadata.c
index 36ef284ad086..72142021b5c9 100644
--- a/drivers/md/dm-thin-metadata.c
+++ b/drivers/md/dm-thin-metadata.c
@@ -776,7 +776,6 @@ static int __write_changed_details(struct dm_pool_metadata *pmd)
 static int __commit_transaction(struct dm_pool_metadata *pmd)
 {
 	int r;
-	size_t metadata_len, data_len;
 	struct thin_disk_superblock *disk_super;
 	struct dm_block *sblock;
 
@@ -797,14 +796,6 @@ static int __commit_transaction(struct dm_pool_metadata *pmd)
 	if (r < 0)
 		return r;
 
-	r = dm_sm_root_size(pmd->metadata_sm, &metadata_len);
-	if (r < 0)
-		return r;
-
-	r = dm_sm_root_size(pmd->data_sm, &data_len);
-	if (r < 0)
-		return r;
-
 	r = save_sm_roots(pmd);
 	if (r < 0)
 		return r;
diff --git a/drivers/md/dm-thin.c b/drivers/md/dm-thin.c
index 7945238df1c0..b900723bbd0f 100644
--- a/drivers/md/dm-thin.c
+++ b/drivers/md/dm-thin.c
@@ -1386,6 +1386,8 @@ static void schedule_external_copy(struct thin_c *tc, dm_block_t virt_block,
 
 static void set_pool_mode(struct pool *pool, enum pool_mode new_mode);
 
+static void requeue_bios(struct pool *pool);
+
 static void check_for_space(struct pool *pool)
 {
 	int r;
@@ -1398,8 +1400,10 @@ static void check_for_space(struct pool *pool)
 	if (r)
 		return;
 
-	if (nr_free)
+	if (nr_free) {
 		set_pool_mode(pool, PM_WRITE);
+		requeue_bios(pool);
+	}
 }
 
 /*
@@ -1476,7 +1480,10 @@ static int alloc_data_block(struct thin_c *tc, dm_block_t *result)
 
 	r = dm_pool_alloc_data_block(pool->pmd, result);
 	if (r) {
-		metadata_operation_failed(pool, "dm_pool_alloc_data_block", r);
+		if (r == -ENOSPC)
+			set_pool_mode(pool, PM_OUT_OF_DATA_SPACE);
+		else
+			metadata_operation_failed(pool, "dm_pool_alloc_data_block", r);
 		return r;
 	}
 
diff --git a/drivers/md/dm-writecache.c b/drivers/md/dm-writecache.c
index 5961c7794ef3..87107c995cb5 100644
--- a/drivers/md/dm-writecache.c
+++ b/drivers/md/dm-writecache.c
@@ -136,6 +136,7 @@ struct dm_writecache {
 	struct dm_target *ti;
 	struct dm_dev *dev;
 	struct dm_dev *ssd_dev;
+	sector_t start_sector;
 	void *memory_map;
 	uint64_t memory_map_size;
 	size_t metadata_sectors;
@@ -259,7 +260,7 @@ static int persistent_memory_claim(struct dm_writecache *wc)
 	if (da != p) {
 		long i;
 		wc->memory_map = NULL;
-		pages = kvmalloc(p * sizeof(struct page *), GFP_KERNEL);
+		pages = kvmalloc_array(p, sizeof(struct page *), GFP_KERNEL);
 		if (!pages) {
 			r = -ENOMEM;
 			goto err2;
@@ -293,6 +294,10 @@ static int persistent_memory_claim(struct dm_writecache *wc)
 	}
 
 	dax_read_unlock(id);
+
+	wc->memory_map += (size_t)wc->start_sector << SECTOR_SHIFT;
+	wc->memory_map_size -= (size_t)wc->start_sector << SECTOR_SHIFT;
+
 	return 0;
 err3:
 	kvfree(pages);
@@ -311,7 +316,7 @@ static int persistent_memory_claim(struct dm_writecache *wc)
 static void persistent_memory_release(struct dm_writecache *wc)
 {
 	if (wc->memory_vmapped)
-		vunmap(wc->memory_map);
+		vunmap(wc->memory_map - ((size_t)wc->start_sector << SECTOR_SHIFT));
 }
 
 static struct page *persistent_memory_page(void *addr)
@@ -359,7 +364,7 @@ static void *memory_data(struct dm_writecache *wc, struct wc_entry *e)
 
 static sector_t cache_sector(struct dm_writecache *wc, struct wc_entry *e)
 {
-	return wc->metadata_sectors +
+	return wc->start_sector + wc->metadata_sectors +
 		((sector_t)e->index << (wc->block_size_bits - SECTOR_SHIFT));
 }
 
@@ -471,6 +476,7 @@ static void ssd_commit_flushed(struct dm_writecache *wc)
 		if (unlikely(region.sector + region.count > wc->metadata_sectors))
 			region.count = wc->metadata_sectors - region.sector;
 
+		region.sector += wc->start_sector;
 		atomic_inc(&endio.count);
 		req.bi_op = REQ_OP_WRITE;
 		req.bi_op_flags = REQ_SYNC;
@@ -859,7 +865,7 @@ static int writecache_alloc_entries(struct dm_writecache *wc)
 
 	if (wc->entries)
 		return 0;
-	wc->entries = vmalloc(sizeof(struct wc_entry) * wc->n_blocks);
+	wc->entries = vmalloc(array_size(sizeof(struct wc_entry), wc->n_blocks));
 	if (!wc->entries)
 		return -ENOMEM;
 	for (b = 0; b < wc->n_blocks; b++) {
@@ -1481,9 +1487,9 @@ static void __writecache_writeback_pmem(struct dm_writecache *wc, struct writeba
 		wb->bio.bi_iter.bi_sector = read_original_sector(wc, e);
 		wb->page_offset = PAGE_SIZE;
 		if (max_pages <= WB_LIST_INLINE ||
-		    unlikely(!(wb->wc_list = kmalloc(max_pages * sizeof(struct wc_entry *),
-						     GFP_NOIO | __GFP_NORETRY |
-						     __GFP_NOMEMALLOC | __GFP_NOWARN)))) {
+		    unlikely(!(wb->wc_list = kmalloc_array(max_pages, sizeof(struct wc_entry *),
+							   GFP_NOIO | __GFP_NORETRY |
+							   __GFP_NOMEMALLOC | __GFP_NOWARN)))) {
 			wb->wc_list = wb->wc_list_inline;
 			max_pages = WB_LIST_INLINE;
 		}
@@ -1946,14 +1952,6 @@ static int writecache_ctr(struct dm_target *ti, unsigned argc, char **argv)
 	}
 	wc->memory_map_size = i_size_read(wc->ssd_dev->bdev->bd_inode);
 
-	if (WC_MODE_PMEM(wc)) {
-		r = persistent_memory_claim(wc);
-		if (r) {
-			ti->error = "Unable to map persistent memory for cache";
-			goto bad;
-		}
-	}
-
 	/*
 	 * Parse the cache block size
 	 */
@@ -1982,7 +1980,16 @@ static int writecache_ctr(struct dm_target *ti, unsigned argc, char **argv)
 
 	while (opt_params) {
 		string = dm_shift_arg(&as), opt_params--;
-		if (!strcasecmp(string, "high_watermark") && opt_params >= 1) {
+		if (!strcasecmp(string, "start_sector") && opt_params >= 1) {
+			unsigned long long start_sector;
+			string = dm_shift_arg(&as), opt_params--;
+			if (sscanf(string, "%llu%c", &start_sector, &dummy) != 1)
+				goto invalid_optional;
+			wc->start_sector = start_sector;
+			if (wc->start_sector != start_sector ||
+			    wc->start_sector >= wc->memory_map_size >> SECTOR_SHIFT)
+				goto invalid_optional;
+		} else if (!strcasecmp(string, "high_watermark") && opt_params >= 1) {
 			string = dm_shift_arg(&as), opt_params--;
 			if (sscanf(string, "%d%c", &high_wm_percent, &dummy) != 1)
 				goto invalid_optional;
@@ -2039,12 +2046,20 @@ invalid_optional:
 		goto bad;
 	}
 
-	if (!WC_MODE_PMEM(wc)) {
+	if (WC_MODE_PMEM(wc)) {
+		r = persistent_memory_claim(wc);
+		if (r) {
+			ti->error = "Unable to map persistent memory for cache";
+			goto bad;
+		}
+	} else {
 		struct dm_io_region region;
 		struct dm_io_request req;
 		size_t n_blocks, n_metadata_blocks;
 		uint64_t n_bitmap_bits;
 
+		wc->memory_map_size -= (uint64_t)wc->start_sector << SECTOR_SHIFT;
+
 		bio_list_init(&wc->flush_list);
 		wc->flush_thread = kthread_create(writecache_flush_thread, wc, "dm_writecache_flush");
 		if (IS_ERR(wc->flush_thread)) {
@@ -2097,7 +2112,7 @@ invalid_optional:
 		}
 
 		region.bdev = wc->ssd_dev->bdev;
-		region.sector = 0;
+		region.sector = wc->start_sector;
 		region.count = wc->metadata_sectors;
 		req.bi_op = REQ_OP_READ;
 		req.bi_op_flags = REQ_SYNC;
@@ -2265,7 +2280,7 @@ static void writecache_status(struct dm_target *ti, status_type_t type,
 
 static struct target_type writecache_target = {
 	.name			= "writecache",
-	.version		= {1, 0, 0},
+	.version		= {1, 1, 0},
 	.module			= THIS_MODULE,
 	.ctr			= writecache_ctr,
 	.dtr			= writecache_dtr,
diff --git a/drivers/md/dm-zoned-target.c b/drivers/md/dm-zoned-target.c
index 3c0e45f4dcf5..a44183ff4be0 100644
--- a/drivers/md/dm-zoned-target.c
+++ b/drivers/md/dm-zoned-target.c
@@ -787,7 +787,7 @@ static int dmz_ctr(struct dm_target *ti, unsigned int argc, char **argv)
 
 	/* Chunk BIO work */
 	mutex_init(&dmz->chunk_lock);
-	INIT_RADIX_TREE(&dmz->chunk_rxtree, GFP_KERNEL);
+	INIT_RADIX_TREE(&dmz->chunk_rxtree, GFP_NOIO);
 	dmz->chunk_wq = alloc_workqueue("dmz_cwq_%s", WQ_MEM_RECLAIM | WQ_UNBOUND,
 					0, dev->name);
 	if (!dmz->chunk_wq) {
diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index e65429a29c06..b0dd7027848b 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -1056,8 +1056,7 @@ static long dm_dax_direct_access(struct dax_device *dax_dev, pgoff_t pgoff,
 	if (len < 1)
 		goto out;
 	nr_pages = min(len, nr_pages);
-	if (ti->type->direct_access)
-		ret = ti->type->direct_access(ti, pgoff, nr_pages, kaddr, pfn);
+	ret = ti->type->direct_access(ti, pgoff, nr_pages, kaddr, pfn);
 
  out:
 	dm_put_live_table(md, srcu_idx);
@@ -1606,10 +1605,9 @@ static blk_qc_t __split_and_process_bio(struct mapped_device *md,
 				 * the usage of io->orig_bio in dm_remap_zone_report()
 				 * won't be affected by this reassignment.
 				 */
-				struct bio *b = bio_clone_bioset(bio, GFP_NOIO,
-								 &md->queue->bio_split);
+				struct bio *b = bio_split(bio, bio_sectors(bio) - ci.sector_count,
+							  GFP_NOIO, &md->queue->bio_split);
 				ci.io->orig_bio = b;
-				bio_advance(bio, (bio_sectors(bio) - ci.sector_count) << 9);
 				bio_chain(b, bio);
 				ret = generic_make_request(bio);
 				break;
diff --git a/drivers/md/md.c b/drivers/md/md.c
index 29b0cd9ec951..994aed2f9dff 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -5547,7 +5547,8 @@ int md_run(struct mddev *mddev)
 		else
 			pr_warn("md: personality for level %s is not loaded!\n",
 				mddev->clevel);
-		return -EINVAL;
+		err = -EINVAL;
+		goto abort;
 	}
 	spin_unlock(&pers_lock);
 	if (mddev->level != pers->level) {
@@ -5560,7 +5561,8 @@ int md_run(struct mddev *mddev)
 	    pers->start_reshape == NULL) {
 		/* This personality cannot handle reshaping... */
 		module_put(pers->owner);
-		return -EINVAL;
+		err = -EINVAL;
+		goto abort;
 	}
 
 	if (pers->sync_request) {
@@ -5629,7 +5631,7 @@ int md_run(struct mddev *mddev)
 		mddev->private = NULL;
 		module_put(pers->owner);
 		bitmap_destroy(mddev);
-		return err;
+		goto abort;
 	}
 	if (mddev->queue) {
 		bool nonrot = true;
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index 478cf446827f..35bd3a62451b 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -3893,6 +3893,13 @@ static int raid10_run(struct mddev *mddev)
 			    disk->rdev->saved_raid_disk < 0)
 				conf->fullsync = 1;
 		}
+
+		if (disk->replacement &&
+		    !test_bit(In_sync, &disk->replacement->flags) &&
+		    disk->replacement->saved_raid_disk < 0) {
+			conf->fullsync = 1;
+		}
+
 		disk->recovery_disabled = mddev->recovery_disabled - 1;
 	}
 
diff --git a/drivers/media/rc/bpf-lirc.c b/drivers/media/rc/bpf-lirc.c
index 40826bba06b6..fcfab6635f9c 100644
--- a/drivers/media/rc/bpf-lirc.c
+++ b/drivers/media/rc/bpf-lirc.c
@@ -207,29 +207,19 @@ void lirc_bpf_free(struct rc_dev *rcdev)
 	bpf_prog_array_free(rcdev->raw->progs);
 }
 
-int lirc_prog_attach(const union bpf_attr *attr)
+int lirc_prog_attach(const union bpf_attr *attr, struct bpf_prog *prog)
 {
-	struct bpf_prog *prog;
 	struct rc_dev *rcdev;
 	int ret;
 
 	if (attr->attach_flags)
 		return -EINVAL;
 
-	prog = bpf_prog_get_type(attr->attach_bpf_fd,
-				 BPF_PROG_TYPE_LIRC_MODE2);
-	if (IS_ERR(prog))
-		return PTR_ERR(prog);
-
 	rcdev = rc_dev_get_from_fd(attr->target_fd);
-	if (IS_ERR(rcdev)) {
-		bpf_prog_put(prog);
+	if (IS_ERR(rcdev))
 		return PTR_ERR(rcdev);
-	}
 
 	ret = lirc_bpf_attach(rcdev, prog);
-	if (ret)
-		bpf_prog_put(prog);
 
 	put_device(&rcdev->dev);
 
diff --git a/drivers/misc/cxl/api.c b/drivers/misc/cxl/api.c
index 753b1a698fc4..6b16946f9b05 100644
--- a/drivers/misc/cxl/api.c
+++ b/drivers/misc/cxl/api.c
@@ -103,15 +103,15 @@ static struct file *cxl_getfile(const char *name,
 	d_instantiate(path.dentry, inode);
 
 	file = alloc_file(&path, OPEN_FMODE(flags), fops);
-	if (IS_ERR(file))
-		goto err_dput;
+	if (IS_ERR(file)) {
+		path_put(&path);
+		goto err_fs;
+	}
 	file->f_flags = flags & (O_ACCMODE | O_NONBLOCK);
 	file->private_data = priv;
 
 	return file;
 
-err_dput:
-	path_put(&path);
 err_inode:
 	iput(inode);
 err_fs:
diff --git a/drivers/misc/ibmasm/ibmasmfs.c b/drivers/misc/ibmasm/ibmasmfs.c
index e05c3245930a..fa840666bdd1 100644
--- a/drivers/misc/ibmasm/ibmasmfs.c
+++ b/drivers/misc/ibmasm/ibmasmfs.c
@@ -507,35 +507,14 @@ static int remote_settings_file_close(struct inode *inode, struct file *file)
 static ssize_t remote_settings_file_read(struct file *file, char __user *buf, size_t count, loff_t *offset)
 {
 	void __iomem *address = (void __iomem *)file->private_data;
-	unsigned char *page;
-	int retval;
 	int len = 0;
 	unsigned int value;
-
-	if (*offset < 0)
-		return -EINVAL;
-	if (count == 0 || count > 1024)
-		return 0;
-	if (*offset != 0)
-		return 0;
-
-	page = (unsigned char *)__get_free_page(GFP_KERNEL);
-	if (!page)
-		return -ENOMEM;
+	char lbuf[20];
 
 	value = readl(address);
-	len = sprintf(page, "%d\n", value);
-
-	if (copy_to_user(buf, page, len)) {
-		retval = -EFAULT;
-		goto exit;
-	}
-	*offset += len;
-	retval = len;
+	len = snprintf(lbuf, sizeof(lbuf), "%d\n", value);
 
-exit:
-	free_page((unsigned long)page);
-	return retval;
+	return simple_read_from_buffer(buf, count, offset, lbuf, len);
 }
 
 static ssize_t remote_settings_file_write(struct file *file, const char __user *ubuff, size_t count, loff_t *offset)
diff --git a/drivers/misc/mei/interrupt.c b/drivers/misc/mei/interrupt.c
index b0b8f18a85e3..6649f0d56d2f 100644
--- a/drivers/misc/mei/interrupt.c
+++ b/drivers/misc/mei/interrupt.c
@@ -310,8 +310,11 @@ int mei_irq_read_handler(struct mei_device *dev,
 	if (&cl->link == &dev->file_list) {
 		/* A message for not connected fixed address clients
 		 * should be silently discarded
+		 * On power down client may be force cleaned,
+		 * silently discard such messages
 		 */
-		if (hdr_is_fixed(mei_hdr)) {
+		if (hdr_is_fixed(mei_hdr) ||
+		    dev->dev_state == MEI_DEV_POWER_DOWN) {
 			mei_irq_discard_msg(dev, mei_hdr);
 			ret = 0;
 			goto reset_slots;
diff --git a/drivers/misc/vmw_balloon.c b/drivers/misc/vmw_balloon.c
index efd733472a35..56c6f79a5c5a 100644
--- a/drivers/misc/vmw_balloon.c
+++ b/drivers/misc/vmw_balloon.c
@@ -467,7 +467,7 @@ static int vmballoon_send_batched_lock(struct vmballoon *b,
 		unsigned int num_pages, bool is_2m_pages, unsigned int *target)
 {
 	unsigned long status;
-	unsigned long pfn = page_to_pfn(b->page);
+	unsigned long pfn = PHYS_PFN(virt_to_phys(b->batch_page));
 
 	STATS_INC(b->stats.lock[is_2m_pages]);
 
@@ -515,7 +515,7 @@ static bool vmballoon_send_batched_unlock(struct vmballoon *b,
 		unsigned int num_pages, bool is_2m_pages, unsigned int *target)
 {
 	unsigned long status;
-	unsigned long pfn = page_to_pfn(b->page);
+	unsigned long pfn = PHYS_PFN(virt_to_phys(b->batch_page));
 
 	STATS_INC(b->stats.unlock[is_2m_pages]);
 
diff --git a/drivers/mmc/core/slot-gpio.c b/drivers/mmc/core/slot-gpio.c
index ef05e0039378..2a833686784b 100644
--- a/drivers/mmc/core/slot-gpio.c
+++ b/drivers/mmc/core/slot-gpio.c
@@ -27,8 +27,8 @@ struct mmc_gpio {
 	bool override_cd_active_level;
 	irqreturn_t (*cd_gpio_isr)(int irq, void *dev_id);
 	char *ro_label;
-	char cd_label[0];
 	u32 cd_debounce_delay_ms;
+	char cd_label[];
 };
 
 static irqreturn_t mmc_gpio_cd_irqt(int irq, void *dev_id)
diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c
index 623f4d27fa01..80dc2fd6576c 100644
--- a/drivers/mmc/host/dw_mmc.c
+++ b/drivers/mmc/host/dw_mmc.c
@@ -1065,8 +1065,8 @@ static void dw_mci_ctrl_thld(struct dw_mci *host, struct mmc_data *data)
 	 * It's used when HS400 mode is enabled.
 	 */
 	if (data->flags & MMC_DATA_WRITE &&
-		!(host->timing != MMC_TIMING_MMC_HS400))
-		return;
+		host->timing != MMC_TIMING_MMC_HS400)
+		goto disable;
 
 	if (data->flags & MMC_DATA_WRITE)
 		enable = SDMMC_CARD_WR_THR_EN;
@@ -1074,7 +1074,8 @@ static void dw_mci_ctrl_thld(struct dw_mci *host, struct mmc_data *data)
 		enable = SDMMC_CARD_RD_THR_EN;
 
 	if (host->timing != MMC_TIMING_MMC_HS200 &&
-	    host->timing != MMC_TIMING_UHS_SDR104)
+	    host->timing != MMC_TIMING_UHS_SDR104 &&
+	    host->timing != MMC_TIMING_MMC_HS400)
 		goto disable;
 
 	blksz_depth = blksz / (1 << host->data_shift);
diff --git a/drivers/mmc/host/renesas_sdhi_internal_dmac.c b/drivers/mmc/host/renesas_sdhi_internal_dmac.c
index f7f9773d161f..d032bd63444d 100644
--- a/drivers/mmc/host/renesas_sdhi_internal_dmac.c
+++ b/drivers/mmc/host/renesas_sdhi_internal_dmac.c
@@ -139,8 +139,7 @@ renesas_sdhi_internal_dmac_abort_dma(struct tmio_mmc_host *host) {
 	renesas_sdhi_internal_dmac_dm_write(host, DM_CM_RST,
 					    RST_RESERVED_BITS | val);
 
-	if (host->data && host->data->flags & MMC_DATA_READ)
-		clear_bit(SDHI_INTERNAL_DMAC_RX_IN_USE, &global_flags);
+	clear_bit(SDHI_INTERNAL_DMAC_RX_IN_USE, &global_flags);
 
 	renesas_sdhi_internal_dmac_enable_dma(host, true);
 }
@@ -164,17 +163,14 @@ renesas_sdhi_internal_dmac_start_dma(struct tmio_mmc_host *host,
 		goto force_pio;
 
 	/* This DMAC cannot handle if buffer is not 8-bytes alignment */
-	if (!IS_ALIGNED(sg_dma_address(sg), 8)) {
-		dma_unmap_sg(&host->pdev->dev, sg, host->sg_len,
-			     mmc_get_dma_dir(data));
-		goto force_pio;
-	}
+	if (!IS_ALIGNED(sg_dma_address(sg), 8))
+		goto force_pio_with_unmap;
 
 	if (data->flags & MMC_DATA_READ) {
 		dtran_mode |= DTRAN_MODE_CH_NUM_CH1;
 		if (test_bit(SDHI_INTERNAL_DMAC_ONE_RX_ONLY, &global_flags) &&
 		    test_and_set_bit(SDHI_INTERNAL_DMAC_RX_IN_USE, &global_flags))
-			goto force_pio;
+			goto force_pio_with_unmap;
 	} else {
 		dtran_mode |= DTRAN_MODE_CH_NUM_CH0;
 	}
@@ -189,6 +185,9 @@ renesas_sdhi_internal_dmac_start_dma(struct tmio_mmc_host *host,
 
 	return;
 
+force_pio_with_unmap:
+	dma_unmap_sg(&host->pdev->dev, sg, host->sg_len, mmc_get_dma_dir(data));
+
 force_pio:
 	host->force_pio = true;
 	renesas_sdhi_internal_dmac_enable_dma(host, false);
diff --git a/drivers/mmc/host/sdhci-esdhc-imx.c b/drivers/mmc/host/sdhci-esdhc-imx.c
index d6aef70d34fa..4eb3d29ecde1 100644
--- a/drivers/mmc/host/sdhci-esdhc-imx.c
+++ b/drivers/mmc/host/sdhci-esdhc-imx.c
@@ -312,6 +312,15 @@ static u32 esdhc_readl_le(struct sdhci_host *host, int reg)
 
 			if (imx_data->socdata->flags & ESDHC_FLAG_HS400)
 				val |= SDHCI_SUPPORT_HS400;
+
+			/*
+			 * Do not advertise faster UHS modes if there are no
+			 * pinctrl states for 100MHz/200MHz.
+			 */
+			if (IS_ERR_OR_NULL(imx_data->pins_100mhz) ||
+			    IS_ERR_OR_NULL(imx_data->pins_200mhz))
+				val &= ~(SDHCI_SUPPORT_SDR50 | SDHCI_SUPPORT_DDR50
+					 | SDHCI_SUPPORT_SDR104 | SDHCI_SUPPORT_HS400);
 		}
 	}
 
@@ -1158,18 +1167,6 @@ sdhci_esdhc_imx_probe_dt(struct platform_device *pdev,
 						ESDHC_PINCTRL_STATE_100MHZ);
 		imx_data->pins_200mhz = pinctrl_lookup_state(imx_data->pinctrl,
 						ESDHC_PINCTRL_STATE_200MHZ);
-		if (IS_ERR(imx_data->pins_100mhz) ||
-				IS_ERR(imx_data->pins_200mhz)) {
-			dev_warn(mmc_dev(host->mmc),
-				"could not get ultra high speed state, work on normal mode\n");
-			/*
-			 * fall back to not supporting uhs by specifying no
-			 * 1.8v quirk
-			 */
-			host->quirks2 |= SDHCI_QUIRK2_NO_1_8_V;
-		}
-	} else {
-		host->quirks2 |= SDHCI_QUIRK2_NO_1_8_V;
 	}
 
 	/* call to generic mmc_of_parse to support additional capabilities */
diff --git a/drivers/mmc/host/sunxi-mmc.c b/drivers/mmc/host/sunxi-mmc.c
index e7472590f2ed..8e7f3e35ee3d 100644
--- a/drivers/mmc/host/sunxi-mmc.c
+++ b/drivers/mmc/host/sunxi-mmc.c
@@ -1446,6 +1446,7 @@ static int sunxi_mmc_runtime_resume(struct device *dev)
 	sunxi_mmc_init_host(host);
 	sunxi_mmc_set_bus_width(host, mmc->ios.bus_width);
 	sunxi_mmc_set_clk(host, &mmc->ios);
+	enable_irq(host->irq);
 
 	return 0;
 }
@@ -1455,6 +1456,12 @@ static int sunxi_mmc_runtime_suspend(struct device *dev)
 	struct mmc_host	*mmc = dev_get_drvdata(dev);
 	struct sunxi_mmc_host *host = mmc_priv(mmc);
 
+	/*
+	 * When clocks are off, it's possible receiving
+	 * fake interrupts, which will stall the system.
+	 * Disabling the irq  will prevent this.
+	 */
+	disable_irq(host->irq);
 	sunxi_mmc_reset_host(host);
 	sunxi_mmc_disable(host);
 
diff --git a/drivers/mtd/chips/cfi_cmdset_0002.c b/drivers/mtd/chips/cfi_cmdset_0002.c
index a0c655628d6d..1b64ac8c5bc8 100644
--- a/drivers/mtd/chips/cfi_cmdset_0002.c
+++ b/drivers/mtd/chips/cfi_cmdset_0002.c
@@ -2526,7 +2526,7 @@ static int cfi_atmel_unlock(struct mtd_info *mtd, loff_t ofs, uint64_t len)
 
 struct ppb_lock {
 	struct flchip *chip;
-	loff_t offset;
+	unsigned long adr;
 	int locked;
 };
 
@@ -2544,8 +2544,9 @@ static int __maybe_unused do_ppb_xxlock(struct map_info *map,
 	unsigned long timeo;
 	int ret;
 
+	adr += chip->start;
 	mutex_lock(&chip->mutex);
-	ret = get_chip(map, chip, adr + chip->start, FL_LOCKING);
+	ret = get_chip(map, chip, adr, FL_LOCKING);
 	if (ret) {
 		mutex_unlock(&chip->mutex);
 		return ret;
@@ -2563,8 +2564,8 @@ static int __maybe_unused do_ppb_xxlock(struct map_info *map,
 
 	if (thunk == DO_XXLOCK_ONEBLOCK_LOCK) {
 		chip->state = FL_LOCKING;
-		map_write(map, CMD(0xA0), chip->start + adr);
-		map_write(map, CMD(0x00), chip->start + adr);
+		map_write(map, CMD(0xA0), adr);
+		map_write(map, CMD(0x00), adr);
 	} else if (thunk == DO_XXLOCK_ONEBLOCK_UNLOCK) {
 		/*
 		 * Unlocking of one specific sector is not supported, so we
@@ -2602,7 +2603,7 @@ static int __maybe_unused do_ppb_xxlock(struct map_info *map,
 	map_write(map, CMD(0x00), chip->start);
 
 	chip->state = FL_READY;
-	put_chip(map, chip, adr + chip->start);
+	put_chip(map, chip, adr);
 	mutex_unlock(&chip->mutex);
 
 	return ret;
@@ -2659,9 +2660,9 @@ static int __maybe_unused cfi_ppb_unlock(struct mtd_info *mtd, loff_t ofs,
 		 * sectors shall be unlocked, so lets keep their locking
 		 * status at "unlocked" (locked=0) for the final re-locking.
 		 */
-		if ((adr < ofs) || (adr >= (ofs + len))) {
+		if ((offset < ofs) || (offset >= (ofs + len))) {
 			sect[sectors].chip = &cfi->chips[chipnum];
-			sect[sectors].offset = offset;
+			sect[sectors].adr = adr;
 			sect[sectors].locked = do_ppb_xxlock(
 				map, &cfi->chips[chipnum], adr, 0,
 				DO_XXLOCK_ONEBLOCK_GETLOCK);
@@ -2675,6 +2676,8 @@ static int __maybe_unused cfi_ppb_unlock(struct mtd_info *mtd, loff_t ofs,
 			i++;
 
 		if (adr >> cfi->chipshift) {
+			if (offset >= (ofs + len))
+				break;
 			adr = 0;
 			chipnum++;
 
@@ -2705,7 +2708,7 @@ static int __maybe_unused cfi_ppb_unlock(struct mtd_info *mtd, loff_t ofs,
 	 */
 	for (i = 0; i < sectors; i++) {
 		if (sect[i].locked)
-			do_ppb_xxlock(map, sect[i].chip, sect[i].offset, 0,
+			do_ppb_xxlock(map, sect[i].chip, sect[i].adr, 0,
 				      DO_XXLOCK_ONEBLOCK_LOCK);
 	}
 
diff --git a/drivers/mtd/devices/mtd_dataflash.c b/drivers/mtd/devices/mtd_dataflash.c
index 3a6f450d1093..53febe8a68c3 100644
--- a/drivers/mtd/devices/mtd_dataflash.c
+++ b/drivers/mtd/devices/mtd_dataflash.c
@@ -733,8 +733,8 @@ static struct flash_info dataflash_data[] = {
 	{ "AT45DB642x",  0x1f2800, 8192, 1056, 11, SUP_POW2PS},
 	{ "at45db642d",  0x1f2800, 8192, 1024, 10, SUP_POW2PS | IS_POW2PS},
 
-	{ "AT45DB641E",  0x1f28000100, 32768, 264, 9, SUP_EXTID | SUP_POW2PS},
-	{ "at45db641e",  0x1f28000100, 32768, 256, 8, SUP_EXTID | SUP_POW2PS | IS_POW2PS},
+	{ "AT45DB641E",  0x1f28000100ULL, 32768, 264, 9, SUP_EXTID | SUP_POW2PS},
+	{ "at45db641e",  0x1f28000100ULL, 32768, 256, 8, SUP_EXTID | SUP_POW2PS | IS_POW2PS},
 };
 
 static struct flash_info *jedec_lookup(struct spi_device *spi,
diff --git a/drivers/mtd/nand/raw/denali_dt.c b/drivers/mtd/nand/raw/denali_dt.c
index cfd33e6ca77f..5869e90cc14b 100644
--- a/drivers/mtd/nand/raw/denali_dt.c
+++ b/drivers/mtd/nand/raw/denali_dt.c
@@ -123,7 +123,11 @@ static int denali_dt_probe(struct platform_device *pdev)
 	if (ret)
 		return ret;
 
-	denali->clk_x_rate = clk_get_rate(dt->clk);
+	/*
+	 * Hardcode the clock rate for the backward compatibility.
+	 * This works for both SOCFPGA and UniPhier.
+	 */
+	denali->clk_x_rate = 200000000;
 
 	ret = denali_init(denali);
 	if (ret)
diff --git a/drivers/mtd/nand/raw/mxc_nand.c b/drivers/mtd/nand/raw/mxc_nand.c
index 45786e707b7b..26cef218bb43 100644
--- a/drivers/mtd/nand/raw/mxc_nand.c
+++ b/drivers/mtd/nand/raw/mxc_nand.c
@@ -48,7 +48,7 @@
 #define NFC_V1_V2_CONFIG		(host->regs + 0x0a)
 #define NFC_V1_V2_ECC_STATUS_RESULT	(host->regs + 0x0c)
 #define NFC_V1_V2_RSLTMAIN_AREA		(host->regs + 0x0e)
-#define NFC_V1_V2_RSLTSPARE_AREA	(host->regs + 0x10)
+#define NFC_V21_RSLTSPARE_AREA		(host->regs + 0x10)
 #define NFC_V1_V2_WRPROT		(host->regs + 0x12)
 #define NFC_V1_UNLOCKSTART_BLKADDR	(host->regs + 0x14)
 #define NFC_V1_UNLOCKEND_BLKADDR	(host->regs + 0x16)
@@ -1274,6 +1274,9 @@ static void preset_v2(struct mtd_info *mtd)
 	writew(config1, NFC_V1_V2_CONFIG1);
 	/* preset operation */
 
+	/* spare area size in 16-bit half-words */
+	writew(mtd->oobsize / 2, NFC_V21_RSLTSPARE_AREA);
+
 	/* Unlock the internal RAM Buffer */
 	writew(0x2, NFC_V1_V2_CONFIG);
 
diff --git a/drivers/mtd/nand/raw/nand_base.c b/drivers/mtd/nand/raw/nand_base.c
index 10c4f9919850..b01d15ec4c56 100644
--- a/drivers/mtd/nand/raw/nand_base.c
+++ b/drivers/mtd/nand/raw/nand_base.c
@@ -440,7 +440,7 @@ static int nand_block_bad(struct mtd_info *mtd, loff_t ofs)
 
 	for (; page < page_end; page++) {
 		res = chip->ecc.read_oob(mtd, chip, page);
-		if (res)
+		if (res < 0)
 			return res;
 
 		bad = chip->oob_poi[chip->badblockpos];
diff --git a/drivers/mtd/nand/raw/nand_macronix.c b/drivers/mtd/nand/raw/nand_macronix.c
index 7ed1f87e742a..49c546c97c6f 100644
--- a/drivers/mtd/nand/raw/nand_macronix.c
+++ b/drivers/mtd/nand/raw/nand_macronix.c
@@ -17,23 +17,47 @@
 
 #include <linux/mtd/rawnand.h>
 
+/*
+ * Macronix AC series does not support using SET/GET_FEATURES to change
+ * the timings unlike what is declared in the parameter page. Unflag
+ * this feature to avoid unnecessary downturns.
+ */
+static void macronix_nand_fix_broken_get_timings(struct nand_chip *chip)
+{
+	unsigned int i;
+	static const char * const broken_get_timings[] = {
+		"MX30LF1G18AC",
+		"MX30LF1G28AC",
+		"MX30LF2G18AC",
+		"MX30LF2G28AC",
+		"MX30LF4G18AC",
+		"MX30LF4G28AC",
+		"MX60LF8G18AC",
+	};
+
+	if (!chip->parameters.supports_set_get_features)
+		return;
+
+	for (i = 0; i < ARRAY_SIZE(broken_get_timings); i++) {
+		if (!strcmp(broken_get_timings[i], chip->parameters.model))
+			break;
+	}
+
+	if (i == ARRAY_SIZE(broken_get_timings))
+		return;
+
+	bitmap_clear(chip->parameters.get_feature_list,
+		     ONFI_FEATURE_ADDR_TIMING_MODE, 1);
+	bitmap_clear(chip->parameters.set_feature_list,
+		     ONFI_FEATURE_ADDR_TIMING_MODE, 1);
+}
+
 static int macronix_nand_init(struct nand_chip *chip)
 {
 	if (nand_is_slc(chip))
 		chip->bbt_options |= NAND_BBT_SCAN2NDPAGE;
 
-	/*
-	 * MX30LF2G18AC chip does not support using SET/GET_FEATURES to change
-	 * the timings unlike what is declared in the parameter page. Unflag
-	 * this feature to avoid unnecessary downturns.
-	 */
-	if (chip->parameters.supports_set_get_features &&
-	    !strcmp("MX30LF2G18AC", chip->parameters.model)) {
-		bitmap_clear(chip->parameters.get_feature_list,
-			     ONFI_FEATURE_ADDR_TIMING_MODE, 1);
-		bitmap_clear(chip->parameters.set_feature_list,
-			     ONFI_FEATURE_ADDR_TIMING_MODE, 1);
-	}
+	macronix_nand_fix_broken_get_timings(chip);
 
 	return 0;
 }
diff --git a/drivers/mtd/nand/raw/nand_micron.c b/drivers/mtd/nand/raw/nand_micron.c
index 0af45b134c0c..5ec4c90a637d 100644
--- a/drivers/mtd/nand/raw/nand_micron.c
+++ b/drivers/mtd/nand/raw/nand_micron.c
@@ -66,7 +66,9 @@ static int micron_nand_onfi_init(struct nand_chip *chip)
 
 	if (p->supports_set_get_features) {
 		set_bit(ONFI_FEATURE_ADDR_READ_RETRY, p->set_feature_list);
+		set_bit(ONFI_FEATURE_ON_DIE_ECC, p->set_feature_list);
 		set_bit(ONFI_FEATURE_ADDR_READ_RETRY, p->get_feature_list);
+		set_bit(ONFI_FEATURE_ON_DIE_ECC, p->get_feature_list);
 	}
 
 	return 0;
diff --git a/drivers/mtd/spi-nor/cadence-quadspi.c b/drivers/mtd/spi-nor/cadence-quadspi.c
index c3f7aaa5d18f..d7e10b36a0b9 100644
--- a/drivers/mtd/spi-nor/cadence-quadspi.c
+++ b/drivers/mtd/spi-nor/cadence-quadspi.c
@@ -926,10 +926,12 @@ static ssize_t cqspi_write(struct spi_nor *nor, loff_t to,
 	if (ret)
 		return ret;
 
-	if (f_pdata->use_direct_mode)
+	if (f_pdata->use_direct_mode) {
 		memcpy_toio(cqspi->ahb_base + to, buf, len);
-	else
+		ret = cqspi_wait_idle(cqspi);
+	} else {
 		ret = cqspi_indirect_write_execute(nor, to, buf, len);
+	}
 	if (ret)
 		return ret;
 
diff --git a/drivers/net/bonding/bond_options.c b/drivers/net/bonding/bond_options.c
index 98663c50ded0..4d5d01cb8141 100644
--- a/drivers/net/bonding/bond_options.c
+++ b/drivers/net/bonding/bond_options.c
@@ -743,15 +743,20 @@ const struct bond_option *bond_opt_get(unsigned int option)
 static int bond_option_mode_set(struct bonding *bond,
 				const struct bond_opt_value *newval)
 {
-	if (!bond_mode_uses_arp(newval->value) && bond->params.arp_interval) {
-		netdev_dbg(bond->dev, "%s mode is incompatible with arp monitoring, start mii monitoring\n",
-			   newval->string);
-		/* disable arp monitoring */
-		bond->params.arp_interval = 0;
-		/* set miimon to default value */
-		bond->params.miimon = BOND_DEFAULT_MIIMON;
-		netdev_dbg(bond->dev, "Setting MII monitoring interval to %d\n",
-			   bond->params.miimon);
+	if (!bond_mode_uses_arp(newval->value)) {
+		if (bond->params.arp_interval) {
+			netdev_dbg(bond->dev, "%s mode is incompatible with arp monitoring, start mii monitoring\n",
+				   newval->string);
+			/* disable arp monitoring */
+			bond->params.arp_interval = 0;
+		}
+
+		if (!bond->params.miimon) {
+			/* set miimon to default value */
+			bond->params.miimon = BOND_DEFAULT_MIIMON;
+			netdev_dbg(bond->dev, "Setting MII monitoring interval to %d\n",
+				   bond->params.miimon);
+		}
 	}
 
 	if (newval->value == BOND_MODE_ALB)
diff --git a/drivers/net/can/m_can/m_can.c b/drivers/net/can/m_can/m_can.c
index b397a33f3d32..9b449400376b 100644
--- a/drivers/net/can/m_can/m_can.c
+++ b/drivers/net/can/m_can/m_can.c
@@ -634,10 +634,12 @@ static int m_can_clk_start(struct m_can_priv *priv)
 	int err;
 
 	err = pm_runtime_get_sync(priv->device);
-	if (err)
+	if (err < 0) {
 		pm_runtime_put_noidle(priv->device);
+		return err;
+	}
 
-	return err;
+	return 0;
 }
 
 static void m_can_clk_stop(struct m_can_priv *priv)
@@ -1109,7 +1111,8 @@ static void m_can_chip_config(struct net_device *dev)
 
 	} else {
 	/* Version 3.1.x or 3.2.x */
-		cccr &= ~(CCCR_TEST | CCCR_MON | CCCR_BRSE | CCCR_FDOE);
+		cccr &= ~(CCCR_TEST | CCCR_MON | CCCR_BRSE | CCCR_FDOE |
+			  CCCR_NISO);
 
 		/* Only 3.2.x has NISO Bit implemented */
 		if (priv->can.ctrlmode & CAN_CTRLMODE_FD_NON_ISO)
@@ -1642,8 +1645,6 @@ static int m_can_plat_probe(struct platform_device *pdev)
 	priv->can.clock.freq = clk_get_rate(cclk);
 	priv->mram_base = mram_addr;
 
-	m_can_of_parse_mram(priv, mram_config_vals);
-
 	platform_set_drvdata(pdev, dev);
 	SET_NETDEV_DEV(dev, &pdev->dev);
 
@@ -1666,6 +1667,8 @@ static int m_can_plat_probe(struct platform_device *pdev)
 		goto clk_disable;
 	}
 
+	m_can_of_parse_mram(priv, mram_config_vals);
+
 	devm_can_led_init(dev);
 
 	of_can_transceiver(dev);
@@ -1687,8 +1690,6 @@ failed_ret:
 	return ret;
 }
 
-/* TODO: runtime PM with power down or sleep mode  */
-
 static __maybe_unused int m_can_suspend(struct device *dev)
 {
 	struct net_device *ndev = dev_get_drvdata(dev);
@@ -1715,8 +1716,6 @@ static __maybe_unused int m_can_resume(struct device *dev)
 
 	pinctrl_pm_select_default_state(dev);
 
-	m_can_init_ram(priv);
-
 	priv->can.state = CAN_STATE_ERROR_ACTIVE;
 
 	if (netif_running(ndev)) {
@@ -1726,6 +1725,7 @@ static __maybe_unused int m_can_resume(struct device *dev)
 		if (ret)
 			return ret;
 
+		m_can_init_ram(priv);
 		m_can_start(ndev);
 		netif_device_attach(ndev);
 		netif_start_queue(ndev);
diff --git a/drivers/net/can/mscan/mpc5xxx_can.c b/drivers/net/can/mscan/mpc5xxx_can.c
index c7427bdd3a4b..2949a381a94d 100644
--- a/drivers/net/can/mscan/mpc5xxx_can.c
+++ b/drivers/net/can/mscan/mpc5xxx_can.c
@@ -86,6 +86,11 @@ static u32 mpc52xx_can_get_clock(struct platform_device *ofdev,
 		return 0;
 	}
 	cdm = of_iomap(np_cdm, 0);
+	if (!cdm) {
+		of_node_put(np_cdm);
+		dev_err(&ofdev->dev, "can't map clock node!\n");
+		return 0;
+	}
 
 	if (in_8(&cdm->ipb_clk_sel) & 0x1)
 		freq *= 2;
diff --git a/drivers/net/can/peak_canfd/peak_pciefd_main.c b/drivers/net/can/peak_canfd/peak_pciefd_main.c
index b9e28578bc7b..455a3797a200 100644
--- a/drivers/net/can/peak_canfd/peak_pciefd_main.c
+++ b/drivers/net/can/peak_canfd/peak_pciefd_main.c
@@ -58,6 +58,10 @@ MODULE_LICENSE("GPL v2");
 #define PCIEFD_REG_SYS_VER1		0x0040	/* version reg #1 */
 #define PCIEFD_REG_SYS_VER2		0x0044	/* version reg #2 */
 
+#define PCIEFD_FW_VERSION(x, y, z)	(((u32)(x) << 24) | \
+					 ((u32)(y) << 16) | \
+					 ((u32)(z) << 8))
+
 /* System Control Registers Bits */
 #define PCIEFD_SYS_CTL_TS_RST		0x00000001	/* timestamp clock */
 #define PCIEFD_SYS_CTL_CLK_EN		0x00000002	/* system clock */
@@ -782,6 +786,21 @@ static int peak_pciefd_probe(struct pci_dev *pdev,
 		 "%ux CAN-FD PCAN-PCIe FPGA v%u.%u.%u:\n", can_count,
 		 hw_ver_major, hw_ver_minor, hw_ver_sub);
 
+#ifdef CONFIG_ARCH_DMA_ADDR_T_64BIT
+	/* FW < v3.3.0 DMA logic doesn't handle correctly the mix of 32-bit and
+	 * 64-bit logical addresses: this workaround forces usage of 32-bit
+	 * DMA addresses only when such a fw is detected.
+	 */
+	if (PCIEFD_FW_VERSION(hw_ver_major, hw_ver_minor, hw_ver_sub) <
+	    PCIEFD_FW_VERSION(3, 3, 0)) {
+		err = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32));
+		if (err)
+			dev_warn(&pdev->dev,
+				 "warning: can't set DMA mask %llxh (err %d)\n",
+				 DMA_BIT_MASK(32), err);
+	}
+#endif
+
 	/* stop system clock */
 	pciefd_sys_writereg(pciefd, PCIEFD_SYS_CTL_CLK_EN,
 			    PCIEFD_REG_SYS_CTL_CLR);
diff --git a/drivers/net/can/xilinx_can.c b/drivers/net/can/xilinx_can.c
index 89aec07c225f..5a24039733ef 100644
--- a/drivers/net/can/xilinx_can.c
+++ b/drivers/net/can/xilinx_can.c
@@ -2,6 +2,7 @@
  *
  * Copyright (C) 2012 - 2014 Xilinx, Inc.
  * Copyright (C) 2009 PetaLogix. All rights reserved.
+ * Copyright (C) 2017 Sandvik Mining and Construction Oy
  *
  * Description:
  * This driver is developed for Axi CAN IP and for Zynq CANPS Controller.
@@ -25,8 +26,10 @@
 #include <linux/module.h>
 #include <linux/netdevice.h>
 #include <linux/of.h>
+#include <linux/of_device.h>
 #include <linux/platform_device.h>
 #include <linux/skbuff.h>
+#include <linux/spinlock.h>
 #include <linux/string.h>
 #include <linux/types.h>
 #include <linux/can/dev.h>
@@ -101,7 +104,7 @@ enum xcan_reg {
 #define XCAN_INTR_ALL		(XCAN_IXR_TXOK_MASK | XCAN_IXR_BSOFF_MASK |\
 				 XCAN_IXR_WKUP_MASK | XCAN_IXR_SLP_MASK | \
 				 XCAN_IXR_RXNEMP_MASK | XCAN_IXR_ERROR_MASK | \
-				 XCAN_IXR_ARBLST_MASK | XCAN_IXR_RXOK_MASK)
+				 XCAN_IXR_RXOFLW_MASK | XCAN_IXR_ARBLST_MASK)
 
 /* CAN register bit shift - XCAN_<REG>_<BIT>_SHIFT */
 #define XCAN_BTR_SJW_SHIFT		7  /* Synchronous jump width */
@@ -118,6 +121,7 @@ enum xcan_reg {
 /**
  * struct xcan_priv - This definition define CAN driver instance
  * @can:			CAN private data structure.
+ * @tx_lock:			Lock for synchronizing TX interrupt handling
  * @tx_head:			Tx CAN packets ready to send on the queue
  * @tx_tail:			Tx CAN packets successfully sended on the queue
  * @tx_max:			Maximum number packets the driver can send
@@ -132,6 +136,7 @@ enum xcan_reg {
  */
 struct xcan_priv {
 	struct can_priv can;
+	spinlock_t tx_lock;
 	unsigned int tx_head;
 	unsigned int tx_tail;
 	unsigned int tx_max;
@@ -159,6 +164,11 @@ static const struct can_bittiming_const xcan_bittiming_const = {
 	.brp_inc = 1,
 };
 
+#define XCAN_CAP_WATERMARK	0x0001
+struct xcan_devtype_data {
+	unsigned int caps;
+};
+
 /**
  * xcan_write_reg_le - Write a value to the device register little endian
  * @priv:	Driver private data structure
@@ -238,6 +248,10 @@ static int set_reset_mode(struct net_device *ndev)
 		usleep_range(500, 10000);
 	}
 
+	/* reset clears FIFOs */
+	priv->tx_head = 0;
+	priv->tx_tail = 0;
+
 	return 0;
 }
 
@@ -392,6 +406,7 @@ static int xcan_start_xmit(struct sk_buff *skb, struct net_device *ndev)
 	struct net_device_stats *stats = &ndev->stats;
 	struct can_frame *cf = (struct can_frame *)skb->data;
 	u32 id, dlc, data[2] = {0, 0};
+	unsigned long flags;
 
 	if (can_dropped_invalid_skb(ndev, skb))
 		return NETDEV_TX_OK;
@@ -439,6 +454,9 @@ static int xcan_start_xmit(struct sk_buff *skb, struct net_device *ndev)
 		data[1] = be32_to_cpup((__be32 *)(cf->data + 4));
 
 	can_put_echo_skb(skb, ndev, priv->tx_head % priv->tx_max);
+
+	spin_lock_irqsave(&priv->tx_lock, flags);
+
 	priv->tx_head++;
 
 	/* Write the Frame to Xilinx CAN TX FIFO */
@@ -454,10 +472,16 @@ static int xcan_start_xmit(struct sk_buff *skb, struct net_device *ndev)
 		stats->tx_bytes += cf->can_dlc;
 	}
 
+	/* Clear TX-FIFO-empty interrupt for xcan_tx_interrupt() */
+	if (priv->tx_max > 1)
+		priv->write_reg(priv, XCAN_ICR_OFFSET, XCAN_IXR_TXFEMP_MASK);
+
 	/* Check if the TX buffer is full */
 	if ((priv->tx_head - priv->tx_tail) == priv->tx_max)
 		netif_stop_queue(ndev);
 
+	spin_unlock_irqrestore(&priv->tx_lock, flags);
+
 	return NETDEV_TX_OK;
 }
 
@@ -530,6 +554,123 @@ static int xcan_rx(struct net_device *ndev)
 }
 
 /**
+ * xcan_current_error_state - Get current error state from HW
+ * @ndev:	Pointer to net_device structure
+ *
+ * Checks the current CAN error state from the HW. Note that this
+ * only checks for ERROR_PASSIVE and ERROR_WARNING.
+ *
+ * Return:
+ * ERROR_PASSIVE or ERROR_WARNING if either is active, ERROR_ACTIVE
+ * otherwise.
+ */
+static enum can_state xcan_current_error_state(struct net_device *ndev)
+{
+	struct xcan_priv *priv = netdev_priv(ndev);
+	u32 status = priv->read_reg(priv, XCAN_SR_OFFSET);
+
+	if ((status & XCAN_SR_ESTAT_MASK) == XCAN_SR_ESTAT_MASK)
+		return CAN_STATE_ERROR_PASSIVE;
+	else if (status & XCAN_SR_ERRWRN_MASK)
+		return CAN_STATE_ERROR_WARNING;
+	else
+		return CAN_STATE_ERROR_ACTIVE;
+}
+
+/**
+ * xcan_set_error_state - Set new CAN error state
+ * @ndev:	Pointer to net_device structure
+ * @new_state:	The new CAN state to be set
+ * @cf:		Error frame to be populated or NULL
+ *
+ * Set new CAN error state for the device, updating statistics and
+ * populating the error frame if given.
+ */
+static void xcan_set_error_state(struct net_device *ndev,
+				 enum can_state new_state,
+				 struct can_frame *cf)
+{
+	struct xcan_priv *priv = netdev_priv(ndev);
+	u32 ecr = priv->read_reg(priv, XCAN_ECR_OFFSET);
+	u32 txerr = ecr & XCAN_ECR_TEC_MASK;
+	u32 rxerr = (ecr & XCAN_ECR_REC_MASK) >> XCAN_ESR_REC_SHIFT;
+
+	priv->can.state = new_state;
+
+	if (cf) {
+		cf->can_id |= CAN_ERR_CRTL;
+		cf->data[6] = txerr;
+		cf->data[7] = rxerr;
+	}
+
+	switch (new_state) {
+	case CAN_STATE_ERROR_PASSIVE:
+		priv->can.can_stats.error_passive++;
+		if (cf)
+			cf->data[1] = (rxerr > 127) ?
+					CAN_ERR_CRTL_RX_PASSIVE :
+					CAN_ERR_CRTL_TX_PASSIVE;
+		break;
+	case CAN_STATE_ERROR_WARNING:
+		priv->can.can_stats.error_warning++;
+		if (cf)
+			cf->data[1] |= (txerr > rxerr) ?
+					CAN_ERR_CRTL_TX_WARNING :
+					CAN_ERR_CRTL_RX_WARNING;
+		break;
+	case CAN_STATE_ERROR_ACTIVE:
+		if (cf)
+			cf->data[1] |= CAN_ERR_CRTL_ACTIVE;
+		break;
+	default:
+		/* non-ERROR states are handled elsewhere */
+		WARN_ON(1);
+		break;
+	}
+}
+
+/**
+ * xcan_update_error_state_after_rxtx - Update CAN error state after RX/TX
+ * @ndev:	Pointer to net_device structure
+ *
+ * If the device is in a ERROR-WARNING or ERROR-PASSIVE state, check if
+ * the performed RX/TX has caused it to drop to a lesser state and set
+ * the interface state accordingly.
+ */
+static void xcan_update_error_state_after_rxtx(struct net_device *ndev)
+{
+	struct xcan_priv *priv = netdev_priv(ndev);
+	enum can_state old_state = priv->can.state;
+	enum can_state new_state;
+
+	/* changing error state due to successful frame RX/TX can only
+	 * occur from these states
+	 */
+	if (old_state != CAN_STATE_ERROR_WARNING &&
+	    old_state != CAN_STATE_ERROR_PASSIVE)
+		return;
+
+	new_state = xcan_current_error_state(ndev);
+
+	if (new_state != old_state) {
+		struct sk_buff *skb;
+		struct can_frame *cf;
+
+		skb = alloc_can_err_skb(ndev, &cf);
+
+		xcan_set_error_state(ndev, new_state, skb ? cf : NULL);
+
+		if (skb) {
+			struct net_device_stats *stats = &ndev->stats;
+
+			stats->rx_packets++;
+			stats->rx_bytes += cf->can_dlc;
+			netif_rx(skb);
+		}
+	}
+}
+
+/**
  * xcan_err_interrupt - error frame Isr
  * @ndev:	net_device pointer
  * @isr:	interrupt status register value
@@ -544,16 +685,12 @@ static void xcan_err_interrupt(struct net_device *ndev, u32 isr)
 	struct net_device_stats *stats = &ndev->stats;
 	struct can_frame *cf;
 	struct sk_buff *skb;
-	u32 err_status, status, txerr = 0, rxerr = 0;
+	u32 err_status;
 
 	skb = alloc_can_err_skb(ndev, &cf);
 
 	err_status = priv->read_reg(priv, XCAN_ESR_OFFSET);
 	priv->write_reg(priv, XCAN_ESR_OFFSET, err_status);
-	txerr = priv->read_reg(priv, XCAN_ECR_OFFSET) & XCAN_ECR_TEC_MASK;
-	rxerr = ((priv->read_reg(priv, XCAN_ECR_OFFSET) &
-			XCAN_ECR_REC_MASK) >> XCAN_ESR_REC_SHIFT);
-	status = priv->read_reg(priv, XCAN_SR_OFFSET);
 
 	if (isr & XCAN_IXR_BSOFF_MASK) {
 		priv->can.state = CAN_STATE_BUS_OFF;
@@ -563,28 +700,10 @@ static void xcan_err_interrupt(struct net_device *ndev, u32 isr)
 		can_bus_off(ndev);
 		if (skb)
 			cf->can_id |= CAN_ERR_BUSOFF;
-	} else if ((status & XCAN_SR_ESTAT_MASK) == XCAN_SR_ESTAT_MASK) {
-		priv->can.state = CAN_STATE_ERROR_PASSIVE;
-		priv->can.can_stats.error_passive++;
-		if (skb) {
-			cf->can_id |= CAN_ERR_CRTL;
-			cf->data[1] = (rxerr > 127) ?
-					CAN_ERR_CRTL_RX_PASSIVE :
-					CAN_ERR_CRTL_TX_PASSIVE;
-			cf->data[6] = txerr;
-			cf->data[7] = rxerr;
-		}
-	} else if (status & XCAN_SR_ERRWRN_MASK) {
-		priv->can.state = CAN_STATE_ERROR_WARNING;
-		priv->can.can_stats.error_warning++;
-		if (skb) {
-			cf->can_id |= CAN_ERR_CRTL;
-			cf->data[1] |= (txerr > rxerr) ?
-					CAN_ERR_CRTL_TX_WARNING :
-					CAN_ERR_CRTL_RX_WARNING;
-			cf->data[6] = txerr;
-			cf->data[7] = rxerr;
-		}
+	} else {
+		enum can_state new_state = xcan_current_error_state(ndev);
+
+		xcan_set_error_state(ndev, new_state, skb ? cf : NULL);
 	}
 
 	/* Check for Arbitration lost interrupt */
@@ -600,7 +719,6 @@ static void xcan_err_interrupt(struct net_device *ndev, u32 isr)
 	if (isr & XCAN_IXR_RXOFLW_MASK) {
 		stats->rx_over_errors++;
 		stats->rx_errors++;
-		priv->write_reg(priv, XCAN_SRR_OFFSET, XCAN_SRR_RESET_MASK);
 		if (skb) {
 			cf->can_id |= CAN_ERR_CRTL;
 			cf->data[1] |= CAN_ERR_CRTL_RX_OVERFLOW;
@@ -709,26 +827,20 @@ static int xcan_rx_poll(struct napi_struct *napi, int quota)
 
 	isr = priv->read_reg(priv, XCAN_ISR_OFFSET);
 	while ((isr & XCAN_IXR_RXNEMP_MASK) && (work_done < quota)) {
-		if (isr & XCAN_IXR_RXOK_MASK) {
-			priv->write_reg(priv, XCAN_ICR_OFFSET,
-				XCAN_IXR_RXOK_MASK);
-			work_done += xcan_rx(ndev);
-		} else {
-			priv->write_reg(priv, XCAN_ICR_OFFSET,
-				XCAN_IXR_RXNEMP_MASK);
-			break;
-		}
+		work_done += xcan_rx(ndev);
 		priv->write_reg(priv, XCAN_ICR_OFFSET, XCAN_IXR_RXNEMP_MASK);
 		isr = priv->read_reg(priv, XCAN_ISR_OFFSET);
 	}
 
-	if (work_done)
+	if (work_done) {
 		can_led_event(ndev, CAN_LED_EVENT_RX);
+		xcan_update_error_state_after_rxtx(ndev);
+	}
 
 	if (work_done < quota) {
 		napi_complete_done(napi, work_done);
 		ier = priv->read_reg(priv, XCAN_IER_OFFSET);
-		ier |= (XCAN_IXR_RXOK_MASK | XCAN_IXR_RXNEMP_MASK);
+		ier |= XCAN_IXR_RXNEMP_MASK;
 		priv->write_reg(priv, XCAN_IER_OFFSET, ier);
 	}
 	return work_done;
@@ -743,18 +855,71 @@ static void xcan_tx_interrupt(struct net_device *ndev, u32 isr)
 {
 	struct xcan_priv *priv = netdev_priv(ndev);
 	struct net_device_stats *stats = &ndev->stats;
+	unsigned int frames_in_fifo;
+	int frames_sent = 1; /* TXOK => at least 1 frame was sent */
+	unsigned long flags;
+	int retries = 0;
+
+	/* Synchronize with xmit as we need to know the exact number
+	 * of frames in the FIFO to stay in sync due to the TXFEMP
+	 * handling.
+	 * This also prevents a race between netif_wake_queue() and
+	 * netif_stop_queue().
+	 */
+	spin_lock_irqsave(&priv->tx_lock, flags);
+
+	frames_in_fifo = priv->tx_head - priv->tx_tail;
+
+	if (WARN_ON_ONCE(frames_in_fifo == 0)) {
+		/* clear TXOK anyway to avoid getting back here */
+		priv->write_reg(priv, XCAN_ICR_OFFSET, XCAN_IXR_TXOK_MASK);
+		spin_unlock_irqrestore(&priv->tx_lock, flags);
+		return;
+	}
+
+	/* Check if 2 frames were sent (TXOK only means that at least 1
+	 * frame was sent).
+	 */
+	if (frames_in_fifo > 1) {
+		WARN_ON(frames_in_fifo > priv->tx_max);
+
+		/* Synchronize TXOK and isr so that after the loop:
+		 * (1) isr variable is up-to-date at least up to TXOK clear
+		 *     time. This avoids us clearing a TXOK of a second frame
+		 *     but not noticing that the FIFO is now empty and thus
+		 *     marking only a single frame as sent.
+		 * (2) No TXOK is left. Having one could mean leaving a
+		 *     stray TXOK as we might process the associated frame
+		 *     via TXFEMP handling as we read TXFEMP *after* TXOK
+		 *     clear to satisfy (1).
+		 */
+		while ((isr & XCAN_IXR_TXOK_MASK) && !WARN_ON(++retries == 100)) {
+			priv->write_reg(priv, XCAN_ICR_OFFSET, XCAN_IXR_TXOK_MASK);
+			isr = priv->read_reg(priv, XCAN_ISR_OFFSET);
+		}
 
-	while ((priv->tx_head - priv->tx_tail > 0) &&
-			(isr & XCAN_IXR_TXOK_MASK)) {
+		if (isr & XCAN_IXR_TXFEMP_MASK) {
+			/* nothing in FIFO anymore */
+			frames_sent = frames_in_fifo;
+		}
+	} else {
+		/* single frame in fifo, just clear TXOK */
 		priv->write_reg(priv, XCAN_ICR_OFFSET, XCAN_IXR_TXOK_MASK);
+	}
+
+	while (frames_sent--) {
 		can_get_echo_skb(ndev, priv->tx_tail %
 					priv->tx_max);
 		priv->tx_tail++;
 		stats->tx_packets++;
-		isr = priv->read_reg(priv, XCAN_ISR_OFFSET);
 	}
-	can_led_event(ndev, CAN_LED_EVENT_TX);
+
 	netif_wake_queue(ndev);
+
+	spin_unlock_irqrestore(&priv->tx_lock, flags);
+
+	can_led_event(ndev, CAN_LED_EVENT_TX);
+	xcan_update_error_state_after_rxtx(ndev);
 }
 
 /**
@@ -773,6 +938,7 @@ static irqreturn_t xcan_interrupt(int irq, void *dev_id)
 	struct net_device *ndev = (struct net_device *)dev_id;
 	struct xcan_priv *priv = netdev_priv(ndev);
 	u32 isr, ier;
+	u32 isr_errors;
 
 	/* Get the interrupt status from Xilinx CAN */
 	isr = priv->read_reg(priv, XCAN_ISR_OFFSET);
@@ -791,18 +957,17 @@ static irqreturn_t xcan_interrupt(int irq, void *dev_id)
 		xcan_tx_interrupt(ndev, isr);
 
 	/* Check for the type of error interrupt and Processing it */
-	if (isr & (XCAN_IXR_ERROR_MASK | XCAN_IXR_RXOFLW_MASK |
-			XCAN_IXR_BSOFF_MASK | XCAN_IXR_ARBLST_MASK)) {
-		priv->write_reg(priv, XCAN_ICR_OFFSET, (XCAN_IXR_ERROR_MASK |
-				XCAN_IXR_RXOFLW_MASK | XCAN_IXR_BSOFF_MASK |
-				XCAN_IXR_ARBLST_MASK));
+	isr_errors = isr & (XCAN_IXR_ERROR_MASK | XCAN_IXR_RXOFLW_MASK |
+			    XCAN_IXR_BSOFF_MASK | XCAN_IXR_ARBLST_MASK);
+	if (isr_errors) {
+		priv->write_reg(priv, XCAN_ICR_OFFSET, isr_errors);
 		xcan_err_interrupt(ndev, isr);
 	}
 
 	/* Check for the type of receive interrupt and Processing it */
-	if (isr & (XCAN_IXR_RXNEMP_MASK | XCAN_IXR_RXOK_MASK)) {
+	if (isr & XCAN_IXR_RXNEMP_MASK) {
 		ier = priv->read_reg(priv, XCAN_IER_OFFSET);
-		ier &= ~(XCAN_IXR_RXNEMP_MASK | XCAN_IXR_RXOK_MASK);
+		ier &= ~XCAN_IXR_RXNEMP_MASK;
 		priv->write_reg(priv, XCAN_IER_OFFSET, ier);
 		napi_schedule(&priv->napi);
 	}
@@ -819,13 +984,9 @@ static irqreturn_t xcan_interrupt(int irq, void *dev_id)
 static void xcan_chip_stop(struct net_device *ndev)
 {
 	struct xcan_priv *priv = netdev_priv(ndev);
-	u32 ier;
 
 	/* Disable interrupts and leave the can in configuration mode */
-	ier = priv->read_reg(priv, XCAN_IER_OFFSET);
-	ier &= ~XCAN_INTR_ALL;
-	priv->write_reg(priv, XCAN_IER_OFFSET, ier);
-	priv->write_reg(priv, XCAN_SRR_OFFSET, XCAN_SRR_RESET_MASK);
+	set_reset_mode(ndev);
 	priv->can.state = CAN_STATE_STOPPED;
 }
 
@@ -958,10 +1119,15 @@ static const struct net_device_ops xcan_netdev_ops = {
  */
 static int __maybe_unused xcan_suspend(struct device *dev)
 {
-	if (!device_may_wakeup(dev))
-		return pm_runtime_force_suspend(dev);
+	struct net_device *ndev = dev_get_drvdata(dev);
 
-	return 0;
+	if (netif_running(ndev)) {
+		netif_stop_queue(ndev);
+		netif_device_detach(ndev);
+		xcan_chip_stop(ndev);
+	}
+
+	return pm_runtime_force_suspend(dev);
 }
 
 /**
@@ -973,11 +1139,27 @@ static int __maybe_unused xcan_suspend(struct device *dev)
  */
 static int __maybe_unused xcan_resume(struct device *dev)
 {
-	if (!device_may_wakeup(dev))
-		return pm_runtime_force_resume(dev);
+	struct net_device *ndev = dev_get_drvdata(dev);
+	int ret;
 
-	return 0;
+	ret = pm_runtime_force_resume(dev);
+	if (ret) {
+		dev_err(dev, "pm_runtime_force_resume failed on resume\n");
+		return ret;
+	}
+
+	if (netif_running(ndev)) {
+		ret = xcan_chip_start(ndev);
+		if (ret) {
+			dev_err(dev, "xcan_chip_start failed on resume\n");
+			return ret;
+		}
+
+		netif_device_attach(ndev);
+		netif_start_queue(ndev);
+	}
 
+	return 0;
 }
 
 /**
@@ -992,14 +1174,6 @@ static int __maybe_unused xcan_runtime_suspend(struct device *dev)
 	struct net_device *ndev = dev_get_drvdata(dev);
 	struct xcan_priv *priv = netdev_priv(ndev);
 
-	if (netif_running(ndev)) {
-		netif_stop_queue(ndev);
-		netif_device_detach(ndev);
-	}
-
-	priv->write_reg(priv, XCAN_MSR_OFFSET, XCAN_MSR_SLEEP_MASK);
-	priv->can.state = CAN_STATE_SLEEPING;
-
 	clk_disable_unprepare(priv->bus_clk);
 	clk_disable_unprepare(priv->can_clk);
 
@@ -1018,7 +1192,6 @@ static int __maybe_unused xcan_runtime_resume(struct device *dev)
 	struct net_device *ndev = dev_get_drvdata(dev);
 	struct xcan_priv *priv = netdev_priv(ndev);
 	int ret;
-	u32 isr, status;
 
 	ret = clk_prepare_enable(priv->bus_clk);
 	if (ret) {
@@ -1032,27 +1205,6 @@ static int __maybe_unused xcan_runtime_resume(struct device *dev)
 		return ret;
 	}
 
-	priv->write_reg(priv, XCAN_SRR_OFFSET, XCAN_SRR_RESET_MASK);
-	isr = priv->read_reg(priv, XCAN_ISR_OFFSET);
-	status = priv->read_reg(priv, XCAN_SR_OFFSET);
-
-	if (netif_running(ndev)) {
-		if (isr & XCAN_IXR_BSOFF_MASK) {
-			priv->can.state = CAN_STATE_BUS_OFF;
-			priv->write_reg(priv, XCAN_SRR_OFFSET,
-					XCAN_SRR_RESET_MASK);
-		} else if ((status & XCAN_SR_ESTAT_MASK) ==
-					XCAN_SR_ESTAT_MASK) {
-			priv->can.state = CAN_STATE_ERROR_PASSIVE;
-		} else if (status & XCAN_SR_ERRWRN_MASK) {
-			priv->can.state = CAN_STATE_ERROR_WARNING;
-		} else {
-			priv->can.state = CAN_STATE_ERROR_ACTIVE;
-		}
-		netif_device_attach(ndev);
-		netif_start_queue(ndev);
-	}
-
 	return 0;
 }
 
@@ -1061,6 +1213,18 @@ static const struct dev_pm_ops xcan_dev_pm_ops = {
 	SET_RUNTIME_PM_OPS(xcan_runtime_suspend, xcan_runtime_resume, NULL)
 };
 
+static const struct xcan_devtype_data xcan_zynq_data = {
+	.caps = XCAN_CAP_WATERMARK,
+};
+
+/* Match table for OF platform binding */
+static const struct of_device_id xcan_of_match[] = {
+	{ .compatible = "xlnx,zynq-can-1.0", .data = &xcan_zynq_data },
+	{ .compatible = "xlnx,axi-can-1.00.a", },
+	{ /* end of list */ },
+};
+MODULE_DEVICE_TABLE(of, xcan_of_match);
+
 /**
  * xcan_probe - Platform registration call
  * @pdev:	Handle to the platform device structure
@@ -1075,8 +1239,10 @@ static int xcan_probe(struct platform_device *pdev)
 	struct resource *res; /* IO mem resources */
 	struct net_device *ndev;
 	struct xcan_priv *priv;
+	const struct of_device_id *of_id;
+	int caps = 0;
 	void __iomem *addr;
-	int ret, rx_max, tx_max;
+	int ret, rx_max, tx_max, tx_fifo_depth;
 
 	/* Get the virtual base address for the device */
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
@@ -1086,7 +1252,8 @@ static int xcan_probe(struct platform_device *pdev)
 		goto err;
 	}
 
-	ret = of_property_read_u32(pdev->dev.of_node, "tx-fifo-depth", &tx_max);
+	ret = of_property_read_u32(pdev->dev.of_node, "tx-fifo-depth",
+				   &tx_fifo_depth);
 	if (ret < 0)
 		goto err;
 
@@ -1094,6 +1261,30 @@ static int xcan_probe(struct platform_device *pdev)
 	if (ret < 0)
 		goto err;
 
+	of_id = of_match_device(xcan_of_match, &pdev->dev);
+	if (of_id) {
+		const struct xcan_devtype_data *devtype_data = of_id->data;
+
+		if (devtype_data)
+			caps = devtype_data->caps;
+	}
+
+	/* There is no way to directly figure out how many frames have been
+	 * sent when the TXOK interrupt is processed. If watermark programming
+	 * is supported, we can have 2 frames in the FIFO and use TXFEMP
+	 * to determine if 1 or 2 frames have been sent.
+	 * Theoretically we should be able to use TXFWMEMP to determine up
+	 * to 3 frames, but it seems that after putting a second frame in the
+	 * FIFO, with watermark at 2 frames, it can happen that TXFWMEMP (less
+	 * than 2 frames in FIFO) is set anyway with no TXOK (a frame was
+	 * sent), which is not a sensible state - possibly TXFWMEMP is not
+	 * completely synchronized with the rest of the bits?
+	 */
+	if (caps & XCAN_CAP_WATERMARK)
+		tx_max = min(tx_fifo_depth, 2);
+	else
+		tx_max = 1;
+
 	/* Create a CAN device instance */
 	ndev = alloc_candev(sizeof(struct xcan_priv), tx_max);
 	if (!ndev)
@@ -1108,6 +1299,7 @@ static int xcan_probe(struct platform_device *pdev)
 					CAN_CTRLMODE_BERR_REPORTING;
 	priv->reg_base = addr;
 	priv->tx_max = tx_max;
+	spin_lock_init(&priv->tx_lock);
 
 	/* Get IRQ for the device */
 	ndev->irq = platform_get_irq(pdev, 0);
@@ -1172,9 +1364,9 @@ static int xcan_probe(struct platform_device *pdev)
 
 	pm_runtime_put(&pdev->dev);
 
-	netdev_dbg(ndev, "reg_base=0x%p irq=%d clock=%d, tx fifo depth:%d\n",
+	netdev_dbg(ndev, "reg_base=0x%p irq=%d clock=%d, tx fifo depth: actual %d, using %d\n",
 			priv->reg_base, ndev->irq, priv->can.clock.freq,
-			priv->tx_max);
+			tx_fifo_depth, priv->tx_max);
 
 	return 0;
 
@@ -1208,14 +1400,6 @@ static int xcan_remove(struct platform_device *pdev)
 	return 0;
 }
 
-/* Match table for OF platform binding */
-static const struct of_device_id xcan_of_match[] = {
-	{ .compatible = "xlnx,zynq-can-1.0", },
-	{ .compatible = "xlnx,axi-can-1.00.a", },
-	{ /* end of list */ },
-};
-MODULE_DEVICE_TABLE(of, xcan_of_match);
-
 static struct platform_driver xcan_driver = {
 	.probe = xcan_probe,
 	.remove	= xcan_remove,
diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c
index 437cd6eb4faa..9ef07a06aceb 100644
--- a/drivers/net/dsa/mv88e6xxx/chip.c
+++ b/drivers/net/dsa/mv88e6xxx/chip.c
@@ -343,6 +343,7 @@ static const struct irq_domain_ops mv88e6xxx_g1_irq_domain_ops = {
 	.xlate	= irq_domain_xlate_twocell,
 };
 
+/* To be called with reg_lock held */
 static void mv88e6xxx_g1_irq_free_common(struct mv88e6xxx_chip *chip)
 {
 	int irq, virq;
@@ -362,9 +363,15 @@ static void mv88e6xxx_g1_irq_free_common(struct mv88e6xxx_chip *chip)
 
 static void mv88e6xxx_g1_irq_free(struct mv88e6xxx_chip *chip)
 {
-	mv88e6xxx_g1_irq_free_common(chip);
-
+	/*
+	 * free_irq must be called without reg_lock taken because the irq
+	 * handler takes this lock, too.
+	 */
 	free_irq(chip->irq, chip);
+
+	mutex_lock(&chip->reg_lock);
+	mv88e6xxx_g1_irq_free_common(chip);
+	mutex_unlock(&chip->reg_lock);
 }
 
 static int mv88e6xxx_g1_irq_setup_common(struct mv88e6xxx_chip *chip)
@@ -469,10 +476,12 @@ static int mv88e6xxx_irq_poll_setup(struct mv88e6xxx_chip *chip)
 
 static void mv88e6xxx_irq_poll_free(struct mv88e6xxx_chip *chip)
 {
-	mv88e6xxx_g1_irq_free_common(chip);
-
 	kthread_cancel_delayed_work_sync(&chip->irq_poll_work);
 	kthread_destroy_worker(chip->kworker);
+
+	mutex_lock(&chip->reg_lock);
+	mv88e6xxx_g1_irq_free_common(chip);
+	mutex_unlock(&chip->reg_lock);
 }
 
 int mv88e6xxx_wait(struct mv88e6xxx_chip *chip, int addr, int reg, u16 mask)
@@ -4506,12 +4515,10 @@ out_g2_irq:
 	if (chip->info->g2_irqs > 0)
 		mv88e6xxx_g2_irq_free(chip);
 out_g1_irq:
-	mutex_lock(&chip->reg_lock);
 	if (chip->irq > 0)
 		mv88e6xxx_g1_irq_free(chip);
 	else
 		mv88e6xxx_irq_poll_free(chip);
-	mutex_unlock(&chip->reg_lock);
 out:
 	if (pdata)
 		dev_put(pdata->netdev);
@@ -4539,12 +4546,10 @@ static void mv88e6xxx_remove(struct mdio_device *mdiodev)
 	if (chip->info->g2_irqs > 0)
 		mv88e6xxx_g2_irq_free(chip);
 
-	mutex_lock(&chip->reg_lock);
 	if (chip->irq > 0)
 		mv88e6xxx_g1_irq_free(chip);
 	else
 		mv88e6xxx_irq_poll_free(chip);
-	mutex_unlock(&chip->reg_lock);
 }
 
 static const struct of_device_id mv88e6xxx_of_match[] = {
diff --git a/drivers/net/ethernet/3com/Kconfig b/drivers/net/ethernet/3com/Kconfig
index 5b7658bcf020..5c3ef9fc8207 100644
--- a/drivers/net/ethernet/3com/Kconfig
+++ b/drivers/net/ethernet/3com/Kconfig
@@ -32,7 +32,7 @@ config EL3
 
 config 3C515
 	tristate "3c515 ISA \"Fast EtherLink\""
-	depends on ISA && ISA_DMA_API
+	depends on ISA && ISA_DMA_API && !PPC32
 	---help---
 	  If you have a 3Com ISA EtherLink XL "Corkscrew" 3c515 Fast Ethernet
 	  network card, say Y here.
diff --git a/drivers/net/ethernet/amd/Kconfig b/drivers/net/ethernet/amd/Kconfig
index d5c15e8bb3de..9e5cf5583c87 100644
--- a/drivers/net/ethernet/amd/Kconfig
+++ b/drivers/net/ethernet/amd/Kconfig
@@ -44,7 +44,7 @@ config AMD8111_ETH
 
 config LANCE
 	tristate "AMD LANCE and PCnet (AT1500 and NE2100) support"
-	depends on ISA && ISA_DMA_API && !ARM
+	depends on ISA && ISA_DMA_API && !ARM && !PPC32
 	---help---
 	  If you have a network (Ethernet) card of this type, say Y here.
 	  Some LinkSys cards are of this type.
@@ -138,7 +138,7 @@ config PCMCIA_NMCLAN
 
 config NI65
 	tristate "NI6510 support"
-	depends on ISA && ISA_DMA_API && !ARM
+	depends on ISA && ISA_DMA_API && !ARM && !PPC32
 	---help---
 	  If you have a network (Ethernet) card of this type, say Y here.
 
@@ -173,7 +173,7 @@ config SUNLANCE
 
 config AMD_XGBE
 	tristate "AMD 10GbE Ethernet driver"
-	depends on ((OF_NET && OF_ADDRESS) || ACPI || PCI) && HAS_IOMEM && HAS_DMA
+	depends on ((OF_NET && OF_ADDRESS) || ACPI || PCI) && HAS_IOMEM
 	depends on X86 || ARM64 || COMPILE_TEST
 	select BITREVERSE
 	select CRC32
diff --git a/drivers/net/ethernet/apm/xgene-v2/Kconfig b/drivers/net/ethernet/apm/xgene-v2/Kconfig
index 1205861b6318..eedd3f3dd22e 100644
--- a/drivers/net/ethernet/apm/xgene-v2/Kconfig
+++ b/drivers/net/ethernet/apm/xgene-v2/Kconfig
@@ -1,6 +1,5 @@
 config NET_XGENE_V2
 	tristate "APM X-Gene SoC Ethernet-v2 Driver"
-	depends on HAS_DMA
 	depends on ARCH_XGENE || COMPILE_TEST
 	help
 	  This is the Ethernet driver for the on-chip ethernet interface
diff --git a/drivers/net/ethernet/apm/xgene/Kconfig b/drivers/net/ethernet/apm/xgene/Kconfig
index afccb033177b..e4e33c900b57 100644
--- a/drivers/net/ethernet/apm/xgene/Kconfig
+++ b/drivers/net/ethernet/apm/xgene/Kconfig
@@ -1,6 +1,5 @@
 config NET_XGENE
 	tristate "APM X-Gene SoC Ethernet Driver"
-	depends on HAS_DMA
 	depends on ARCH_XGENE || COMPILE_TEST
 	select PHYLIB
 	select MDIO_XGENE
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_cfg.h b/drivers/net/ethernet/aquantia/atlantic/aq_cfg.h
index fc7383106946..91eb8910b1c9 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_cfg.h
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_cfg.h
@@ -63,8 +63,6 @@
 
 #define AQ_CFG_NAPI_WEIGHT     64U
 
-#define AQ_CFG_MULTICAST_ADDRESS_MAX     32U
-
 /*#define AQ_CFG_MAC_ADDR_PERMANENT {0x30, 0x0E, 0xE3, 0x12, 0x34, 0x56}*/
 
 #define AQ_NIC_FC_OFF    0U
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_hw.h b/drivers/net/ethernet/aquantia/atlantic/aq_hw.h
index a2d416b24ffc..2c6ebd91a9f2 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_hw.h
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_hw.h
@@ -98,6 +98,8 @@ struct aq_stats_s {
 #define AQ_HW_MEDIA_TYPE_TP    1U
 #define AQ_HW_MEDIA_TYPE_FIBRE 2U
 
+#define AQ_HW_MULTICAST_ADDRESS_MAX     32U
+
 struct aq_hw_s {
 	atomic_t flags;
 	u8 rbl_enabled:1;
@@ -177,7 +179,7 @@ struct aq_hw_ops {
 				    unsigned int packet_filter);
 
 	int (*hw_multicast_list_set)(struct aq_hw_s *self,
-				     u8 ar_mac[AQ_CFG_MULTICAST_ADDRESS_MAX]
+				     u8 ar_mac[AQ_HW_MULTICAST_ADDRESS_MAX]
 				     [ETH_ALEN],
 				     u32 count);
 
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_main.c b/drivers/net/ethernet/aquantia/atlantic/aq_main.c
index ba5fe8c4125d..e3ae29e523f0 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_main.c
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_main.c
@@ -135,17 +135,10 @@ err_exit:
 static void aq_ndev_set_multicast_settings(struct net_device *ndev)
 {
 	struct aq_nic_s *aq_nic = netdev_priv(ndev);
-	int err = 0;
 
-	err = aq_nic_set_packet_filter(aq_nic, ndev->flags);
-	if (err < 0)
-		return;
+	aq_nic_set_packet_filter(aq_nic, ndev->flags);
 
-	if (netdev_mc_count(ndev)) {
-		err = aq_nic_set_multicast_list(aq_nic, ndev);
-		if (err < 0)
-			return;
-	}
+	aq_nic_set_multicast_list(aq_nic, ndev);
 }
 
 static const struct net_device_ops aq_ndev_ops = {
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_nic.c b/drivers/net/ethernet/aquantia/atlantic/aq_nic.c
index 1a1a6380c128..7a22d0257e04 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_nic.c
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_nic.c
@@ -563,34 +563,41 @@ err_exit:
 
 int aq_nic_set_multicast_list(struct aq_nic_s *self, struct net_device *ndev)
 {
+	unsigned int packet_filter = self->packet_filter;
 	struct netdev_hw_addr *ha = NULL;
 	unsigned int i = 0U;
 
-	self->mc_list.count = 0U;
-
-	netdev_for_each_mc_addr(ha, ndev) {
-		ether_addr_copy(self->mc_list.ar[i++], ha->addr);
-		++self->mc_list.count;
+	self->mc_list.count = 0;
+	if (netdev_uc_count(ndev) > AQ_HW_MULTICAST_ADDRESS_MAX) {
+		packet_filter |= IFF_PROMISC;
+	} else {
+		netdev_for_each_uc_addr(ha, ndev) {
+			ether_addr_copy(self->mc_list.ar[i++], ha->addr);
 
-		if (i >= AQ_CFG_MULTICAST_ADDRESS_MAX)
-			break;
+			if (i >= AQ_HW_MULTICAST_ADDRESS_MAX)
+				break;
+		}
 	}
 
-	if (i >= AQ_CFG_MULTICAST_ADDRESS_MAX) {
-		/* Number of filters is too big: atlantic does not support this.
-		 * Force all multi filter to support this.
-		 * With this we disable all UC filters and setup "all pass"
-		 * multicast mask
-		 */
-		self->packet_filter |= IFF_ALLMULTI;
-		self->aq_nic_cfg.mc_list_count = 0;
-		return self->aq_hw_ops->hw_packet_filter_set(self->aq_hw,
-							     self->packet_filter);
+	if (i + netdev_mc_count(ndev) > AQ_HW_MULTICAST_ADDRESS_MAX) {
+		packet_filter |= IFF_ALLMULTI;
 	} else {
-		return self->aq_hw_ops->hw_multicast_list_set(self->aq_hw,
-						    self->mc_list.ar,
-						    self->mc_list.count);
+		netdev_for_each_mc_addr(ha, ndev) {
+			ether_addr_copy(self->mc_list.ar[i++], ha->addr);
+
+			if (i >= AQ_HW_MULTICAST_ADDRESS_MAX)
+				break;
+		}
+	}
+
+	if (i > 0 && i < AQ_HW_MULTICAST_ADDRESS_MAX) {
+		packet_filter |= IFF_MULTICAST;
+		self->mc_list.count = i;
+		self->aq_hw_ops->hw_multicast_list_set(self->aq_hw,
+						       self->mc_list.ar,
+						       self->mc_list.count);
 	}
+	return aq_nic_set_packet_filter(self, packet_filter);
 }
 
 int aq_nic_set_mtu(struct aq_nic_s *self, int new_mtu)
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_nic.h b/drivers/net/ethernet/aquantia/atlantic/aq_nic.h
index faa533a0ec47..fecfc401f95d 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_nic.h
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_nic.h
@@ -75,7 +75,7 @@ struct aq_nic_s {
 	struct aq_hw_link_status_s link_status;
 	struct {
 		u32 count;
-		u8 ar[AQ_CFG_MULTICAST_ADDRESS_MAX][ETH_ALEN];
+		u8 ar[AQ_HW_MULTICAST_ADDRESS_MAX][ETH_ALEN];
 	} mc_list;
 
 	struct pci_dev *pdev;
diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_a0.c b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_a0.c
index 67e2f9fb9402..8cc6abadc03b 100644
--- a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_a0.c
+++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_a0.c
@@ -765,7 +765,7 @@ static int hw_atl_a0_hw_packet_filter_set(struct aq_hw_s *self,
 
 static int hw_atl_a0_hw_multicast_list_set(struct aq_hw_s *self,
 					   u8 ar_mac
-					   [AQ_CFG_MULTICAST_ADDRESS_MAX]
+					   [AQ_HW_MULTICAST_ADDRESS_MAX]
 					   [ETH_ALEN],
 					   u32 count)
 {
diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c
index 819f6bcf9b4e..956860a69797 100644
--- a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c
+++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c
@@ -784,7 +784,7 @@ static int hw_atl_b0_hw_packet_filter_set(struct aq_hw_s *self,
 
 static int hw_atl_b0_hw_multicast_list_set(struct aq_hw_s *self,
 					   u8 ar_mac
-					   [AQ_CFG_MULTICAST_ADDRESS_MAX]
+					   [AQ_HW_MULTICAST_ADDRESS_MAX]
 					   [ETH_ALEN],
 					   u32 count)
 {
@@ -812,7 +812,7 @@ static int hw_atl_b0_hw_multicast_list_set(struct aq_hw_s *self,
 
 		hw_atl_rpfl2_uc_flr_en_set(self,
 					   (self->aq_nic_cfg->is_mc_list_enabled),
-				    HW_ATL_B0_MAC_MIN + i);
+					   HW_ATL_B0_MAC_MIN + i);
 	}
 
 	err = aq_hw_err_from_flags(self);
diff --git a/drivers/net/ethernet/arc/Kconfig b/drivers/net/ethernet/arc/Kconfig
index e743ddf46343..5d0ab8e74b68 100644
--- a/drivers/net/ethernet/arc/Kconfig
+++ b/drivers/net/ethernet/arc/Kconfig
@@ -24,7 +24,8 @@ config ARC_EMAC_CORE
 config ARC_EMAC
 	tristate "ARC EMAC support"
 	select ARC_EMAC_CORE
-	depends on OF_IRQ && OF_NET && HAS_DMA && (ARC || COMPILE_TEST)
+	depends on OF_IRQ && OF_NET
+	depends on ARC || COMPILE_TEST
 	---help---
 	  On some legacy ARC (Synopsys) FPGA boards such as ARCAngel4/ML50x
 	  non-standard on-chip ethernet device ARC EMAC 10/100 is used.
@@ -33,7 +34,8 @@ config ARC_EMAC
 config EMAC_ROCKCHIP
 	tristate "Rockchip EMAC support"
 	select ARC_EMAC_CORE
-	depends on OF_IRQ && OF_NET && REGULATOR && HAS_DMA && (ARCH_ROCKCHIP || COMPILE_TEST)
+	depends on OF_IRQ && OF_NET && REGULATOR
+	depends on ARCH_ROCKCHIP || COMPILE_TEST
 	---help---
 	  Support for Rockchip RK3036/RK3066/RK3188 EMAC ethernet controllers.
 	  This selects Rockchip SoC glue layer support for the
diff --git a/drivers/net/ethernet/atheros/alx/main.c b/drivers/net/ethernet/atheros/alx/main.c
index 567ee54504bc..5e5022fa1d04 100644
--- a/drivers/net/ethernet/atheros/alx/main.c
+++ b/drivers/net/ethernet/atheros/alx/main.c
@@ -1897,13 +1897,19 @@ static int alx_resume(struct device *dev)
 	struct pci_dev *pdev = to_pci_dev(dev);
 	struct alx_priv *alx = pci_get_drvdata(pdev);
 	struct alx_hw *hw = &alx->hw;
+	int err;
 
 	alx_reset_phy(hw);
 
 	if (!netif_running(alx->dev))
 		return 0;
 	netif_device_attach(alx->dev);
-	return __alx_open(alx, true);
+
+	rtnl_lock();
+	err = __alx_open(alx, true);
+	rtnl_unlock();
+
+	return err;
 }
 
 static SIMPLE_DEV_PM_OPS(alx_pm_ops, alx_suspend, alx_resume);
diff --git a/drivers/net/ethernet/atheros/atl1c/atl1c_main.c b/drivers/net/ethernet/atheros/atl1c/atl1c_main.c
index 94270f654b3b..7087b88550db 100644
--- a/drivers/net/ethernet/atheros/atl1c/atl1c_main.c
+++ b/drivers/net/ethernet/atheros/atl1c/atl1c_main.c
@@ -1686,6 +1686,7 @@ static struct sk_buff *atl1c_alloc_skb(struct atl1c_adapter *adapter)
 	skb = build_skb(page_address(page) + adapter->rx_page_offset,
 			adapter->rx_frag_size);
 	if (likely(skb)) {
+		skb_reserve(skb, NET_SKB_PAD);
 		adapter->rx_page_offset += adapter->rx_frag_size;
 		if (adapter->rx_page_offset >= PAGE_SIZE)
 			adapter->rx_page = NULL;
diff --git a/drivers/net/ethernet/broadcom/Kconfig b/drivers/net/ethernet/broadcom/Kconfig
index af75156919ed..4c3bfde6e8de 100644
--- a/drivers/net/ethernet/broadcom/Kconfig
+++ b/drivers/net/ethernet/broadcom/Kconfig
@@ -157,7 +157,6 @@ config BGMAC
 config BGMAC_BCMA
 	tristate "Broadcom iProc GBit BCMA support"
 	depends on BCMA && BCMA_HOST_SOC
-	depends on HAS_DMA
 	depends on BCM47XX || ARCH_BCM_5301X || COMPILE_TEST
 	select BGMAC
 	select PHYLIB
@@ -170,7 +169,6 @@ config BGMAC_BCMA
 
 config BGMAC_PLATFORM
 	tristate "Broadcom iProc GBit platform support"
-	depends on HAS_DMA
 	depends on ARCH_BCM_IPROC || COMPILE_TEST
 	depends on OF
 	select BGMAC
diff --git a/drivers/net/ethernet/broadcom/bcmsysport.c b/drivers/net/ethernet/broadcom/bcmsysport.c
index d5fca2e5a9bc..a1f60f89e059 100644
--- a/drivers/net/ethernet/broadcom/bcmsysport.c
+++ b/drivers/net/ethernet/broadcom/bcmsysport.c
@@ -1946,8 +1946,8 @@ static int bcm_sysport_open(struct net_device *dev)
 	if (!priv->is_lite)
 		priv->crc_fwd = !!(umac_readl(priv, UMAC_CMD) & CMD_CRC_FWD);
 	else
-		priv->crc_fwd = !!(gib_readl(priv, GIB_CONTROL) &
-				   GIB_FCS_STRIP);
+		priv->crc_fwd = !((gib_readl(priv, GIB_CONTROL) &
+				  GIB_FCS_STRIP) >> GIB_FCS_STRIP_SHIFT);
 
 	phydev = of_phy_connect(dev, priv->phy_dn, bcm_sysport_adj_link,
 				0, priv->phy_interface);
diff --git a/drivers/net/ethernet/broadcom/bcmsysport.h b/drivers/net/ethernet/broadcom/bcmsysport.h
index d6e5d0cbf3a3..cf440b91fd04 100644
--- a/drivers/net/ethernet/broadcom/bcmsysport.h
+++ b/drivers/net/ethernet/broadcom/bcmsysport.h
@@ -278,7 +278,8 @@ struct bcm_rsb {
 #define  GIB_GTX_CLK_EXT_CLK		(0 << GIB_GTX_CLK_SEL_SHIFT)
 #define  GIB_GTX_CLK_125MHZ		(1 << GIB_GTX_CLK_SEL_SHIFT)
 #define  GIB_GTX_CLK_250MHZ		(2 << GIB_GTX_CLK_SEL_SHIFT)
-#define  GIB_FCS_STRIP			(1 << 6)
+#define  GIB_FCS_STRIP_SHIFT		6
+#define  GIB_FCS_STRIP			(1 << GIB_FCS_STRIP_SHIFT)
 #define  GIB_LCL_LOOP_EN		(1 << 7)
 #define  GIB_LCL_LOOP_TXEN		(1 << 8)
 #define  GIB_RMT_LOOP_EN		(1 << 9)
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h
index d847e1b9c37b..be1506169076 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h
@@ -1533,6 +1533,7 @@ struct bnx2x {
 	struct link_vars	link_vars;
 	u32			link_cnt;
 	struct bnx2x_link_report_data last_reported_link;
+	bool			force_link_down;
 
 	struct mdio_if_info	mdio;
 
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
index 8cd73ff5debc..af7b5a4d8ba0 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
@@ -1261,6 +1261,11 @@ void __bnx2x_link_report(struct bnx2x *bp)
 {
 	struct bnx2x_link_report_data cur_data;
 
+	if (bp->force_link_down) {
+		bp->link_vars.link_up = 0;
+		return;
+	}
+
 	/* reread mf_cfg */
 	if (IS_PF(bp) && !CHIP_IS_E1(bp))
 		bnx2x_read_mf_cfg(bp);
@@ -2817,6 +2822,7 @@ int bnx2x_nic_load(struct bnx2x *bp, int load_mode)
 		bp->pending_max = 0;
 	}
 
+	bp->force_link_down = false;
 	if (bp->port.pmf) {
 		rc = bnx2x_initial_phy_init(bp, load_mode);
 		if (rc)
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c
index da18aa239acb..a4a90b6cdb46 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c
@@ -3388,14 +3388,18 @@ static int bnx2x_set_rss_flags(struct bnx2x *bp, struct ethtool_rxnfc *info)
 			DP(BNX2X_MSG_ETHTOOL,
 			   "rss re-configured, UDP 4-tupple %s\n",
 			   udp_rss_requested ? "enabled" : "disabled");
-			return bnx2x_rss(bp, &bp->rss_conf_obj, false, true);
+			if (bp->state == BNX2X_STATE_OPEN)
+				return bnx2x_rss(bp, &bp->rss_conf_obj, false,
+						 true);
 		} else if ((info->flow_type == UDP_V6_FLOW) &&
 			   (bp->rss_conf_obj.udp_rss_v6 != udp_rss_requested)) {
 			bp->rss_conf_obj.udp_rss_v6 = udp_rss_requested;
 			DP(BNX2X_MSG_ETHTOOL,
 			   "rss re-configured, UDP 4-tupple %s\n",
 			   udp_rss_requested ? "enabled" : "disabled");
-			return bnx2x_rss(bp, &bp->rss_conf_obj, false, true);
+			if (bp->state == BNX2X_STATE_OPEN)
+				return bnx2x_rss(bp, &bp->rss_conf_obj, false,
+						 true);
 		}
 		return 0;
 
@@ -3509,7 +3513,10 @@ static int bnx2x_set_rxfh(struct net_device *dev, const u32 *indir,
 		bp->rss_conf_obj.ind_table[i] = indir[i] + bp->fp->cl_id;
 	}
 
-	return bnx2x_config_rss_eth(bp, false);
+	if (bp->state == BNX2X_STATE_OPEN)
+		return bnx2x_config_rss_eth(bp, false);
+
+	return 0;
 }
 
 /**
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
index 5b1ed240bf18..57348f2b49a3 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
@@ -10279,6 +10279,12 @@ static void bnx2x_sp_rtnl_task(struct work_struct *work)
 		bp->sp_rtnl_state = 0;
 		smp_mb();
 
+		/* Immediately indicate link as down */
+		bp->link_vars.link_up = 0;
+		bp->force_link_down = true;
+		netif_carrier_off(bp->dev);
+		BNX2X_ERR("Indicating link is down due to Tx-timeout\n");
+
 		bnx2x_nic_unload(bp, UNLOAD_NORMAL, true);
 		/* When ret value shows failure of allocation failure,
 		 * the nic is rebooted again. If open still fails, a error
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
index 176fc9f4d7de..4394c1162be4 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
@@ -5712,7 +5712,9 @@ static int bnxt_init_chip(struct bnxt *bp, bool irq_re_init)
 	}
 	vnic->uc_filter_count = 1;
 
-	vnic->rx_mask = CFA_L2_SET_RX_MASK_REQ_MASK_BCAST;
+	vnic->rx_mask = 0;
+	if (bp->dev->flags & IFF_BROADCAST)
+		vnic->rx_mask |= CFA_L2_SET_RX_MASK_REQ_MASK_BCAST;
 
 	if ((bp->dev->flags & IFF_PROMISC) && bnxt_promisc_ok(bp))
 		vnic->rx_mask |= CFA_L2_SET_RX_MASK_REQ_MASK_PROMISCUOUS;
@@ -5917,7 +5919,7 @@ unsigned int bnxt_get_max_func_irqs(struct bnxt *bp)
 	return min_t(unsigned int, hw_resc->max_irqs, hw_resc->max_cp_rings);
 }
 
-void bnxt_set_max_func_irqs(struct bnxt *bp, unsigned int max_irqs)
+static void bnxt_set_max_func_irqs(struct bnxt *bp, unsigned int max_irqs)
 {
 	bp->hw_resc.max_irqs = max_irqs;
 }
@@ -6888,7 +6890,7 @@ static int __bnxt_open_nic(struct bnxt *bp, bool irq_re_init, bool link_re_init)
 		rc = bnxt_request_irq(bp);
 		if (rc) {
 			netdev_err(bp->dev, "bnxt_request_irq err: %x\n", rc);
-			goto open_err;
+			goto open_err_irq;
 		}
 	}
 
@@ -6928,6 +6930,8 @@ static int __bnxt_open_nic(struct bnxt *bp, bool irq_re_init, bool link_re_init)
 open_err:
 	bnxt_debug_dev_exit(bp);
 	bnxt_disable_napi(bp);
+
+open_err_irq:
 	bnxt_del_napi(bp);
 
 open_err_free_mem:
@@ -7214,13 +7218,16 @@ static void bnxt_set_rx_mode(struct net_device *dev)
 
 	mask &= ~(CFA_L2_SET_RX_MASK_REQ_MASK_PROMISCUOUS |
 		  CFA_L2_SET_RX_MASK_REQ_MASK_MCAST |
-		  CFA_L2_SET_RX_MASK_REQ_MASK_ALL_MCAST);
+		  CFA_L2_SET_RX_MASK_REQ_MASK_ALL_MCAST |
+		  CFA_L2_SET_RX_MASK_REQ_MASK_BCAST);
 
 	if ((dev->flags & IFF_PROMISC) && bnxt_promisc_ok(bp))
 		mask |= CFA_L2_SET_RX_MASK_REQ_MASK_PROMISCUOUS;
 
 	uc_update = bnxt_uc_list_updated(bp);
 
+	if (dev->flags & IFF_BROADCAST)
+		mask |= CFA_L2_SET_RX_MASK_REQ_MASK_BCAST;
 	if (dev->flags & IFF_ALLMULTI) {
 		mask |= CFA_L2_SET_RX_MASK_REQ_MASK_ALL_MCAST;
 		vnic->mc_list_count = 0;
@@ -8502,11 +8509,11 @@ int bnxt_get_max_rings(struct bnxt *bp, int *max_rx, int *max_tx, bool shared)
 	int rx, tx, cp;
 
 	_bnxt_get_max_rings(bp, &rx, &tx, &cp);
+	*max_rx = rx;
+	*max_tx = tx;
 	if (!rx || !tx || !cp)
 		return -ENOMEM;
 
-	*max_rx = rx;
-	*max_tx = tx;
 	return bnxt_trim_rings(bp, max_rx, max_tx, cp, shared);
 }
 
@@ -8520,8 +8527,11 @@ static int bnxt_get_dflt_rings(struct bnxt *bp, int *max_rx, int *max_tx,
 		/* Not enough rings, try disabling agg rings. */
 		bp->flags &= ~BNXT_FLAG_AGG_RINGS;
 		rc = bnxt_get_max_rings(bp, max_rx, max_tx, shared);
-		if (rc)
+		if (rc) {
+			/* set BNXT_FLAG_AGG_RINGS back for consistency */
+			bp->flags |= BNXT_FLAG_AGG_RINGS;
 			return rc;
+		}
 		bp->flags |= BNXT_FLAG_NO_AGG_RINGS;
 		bp->dev->hw_features &= ~(NETIF_F_LRO | NETIF_F_GRO_HW);
 		bp->dev->features &= ~(NETIF_F_LRO | NETIF_F_GRO_HW);
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.h b/drivers/net/ethernet/broadcom/bnxt/bnxt.h
index 9b14eb610b9f..91575ef97c8c 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.h
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.h
@@ -1470,7 +1470,6 @@ void bnxt_set_max_func_stat_ctxs(struct bnxt *bp, unsigned int max);
 unsigned int bnxt_get_max_func_cp_rings(struct bnxt *bp);
 void bnxt_set_max_func_cp_rings(struct bnxt *bp, unsigned int max);
 unsigned int bnxt_get_max_func_irqs(struct bnxt *bp);
-void bnxt_set_max_func_irqs(struct bnxt *bp, unsigned int max);
 int bnxt_get_avail_msix(struct bnxt *bp, int num);
 int bnxt_reserve_rings(struct bnxt *bp);
 void bnxt_tx_disable(struct bnxt *bp);
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_tc.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_tc.c
index 795f45024c20..491bd40a254d 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_tc.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_tc.c
@@ -27,6 +27,15 @@
 #define BNXT_FID_INVALID			0xffff
 #define VLAN_TCI(vid, prio)	((vid) | ((prio) << VLAN_PRIO_SHIFT))
 
+#define is_vlan_pcp_wildcarded(vlan_tci_mask)	\
+	((ntohs(vlan_tci_mask) & VLAN_PRIO_MASK) == 0x0000)
+#define is_vlan_pcp_exactmatch(vlan_tci_mask)	\
+	((ntohs(vlan_tci_mask) & VLAN_PRIO_MASK) == VLAN_PRIO_MASK)
+#define is_vlan_pcp_zero(vlan_tci)	\
+	((ntohs(vlan_tci) & VLAN_PRIO_MASK) == 0x0000)
+#define is_vid_exactmatch(vlan_tci_mask)	\
+	((ntohs(vlan_tci_mask) & VLAN_VID_MASK) == VLAN_VID_MASK)
+
 /* Return the dst fid of the func for flow forwarding
  * For PFs: src_fid is the fid of the PF
  * For VF-reps: src_fid the fid of the VF
@@ -389,6 +398,21 @@ static bool is_exactmatch(void *mask, int len)
 	return true;
 }
 
+static bool is_vlan_tci_allowed(__be16  vlan_tci_mask,
+				__be16  vlan_tci)
+{
+	/* VLAN priority must be either exactly zero or fully wildcarded and
+	 * VLAN id must be exact match.
+	 */
+	if (is_vid_exactmatch(vlan_tci_mask) &&
+	    ((is_vlan_pcp_exactmatch(vlan_tci_mask) &&
+	      is_vlan_pcp_zero(vlan_tci)) ||
+	     is_vlan_pcp_wildcarded(vlan_tci_mask)))
+		return true;
+
+	return false;
+}
+
 static bool bits_set(void *key, int len)
 {
 	const u8 *p = key;
@@ -803,9 +827,9 @@ static bool bnxt_tc_can_offload(struct bnxt *bp, struct bnxt_tc_flow *flow)
 	/* Currently VLAN fields cannot be partial wildcard */
 	if (bits_set(&flow->l2_key.inner_vlan_tci,
 		     sizeof(flow->l2_key.inner_vlan_tci)) &&
-	    !is_exactmatch(&flow->l2_mask.inner_vlan_tci,
-			   sizeof(flow->l2_mask.inner_vlan_tci))) {
-		netdev_info(bp->dev, "Wildcard match unsupported for VLAN TCI\n");
+	    !is_vlan_tci_allowed(flow->l2_mask.inner_vlan_tci,
+				 flow->l2_key.inner_vlan_tci)) {
+		netdev_info(bp->dev, "Unsupported VLAN TCI\n");
 		return false;
 	}
 	if (bits_set(&flow->l2_key.inner_vlan_tpid,
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.c
index 347e4f946eb2..840f6e505f73 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.c
@@ -169,7 +169,6 @@ static int bnxt_req_msix_vecs(struct bnxt_en_dev *edev, int ulp_id,
 		edev->ulp_tbl[ulp_id].msix_requested = avail_msix;
 	}
 	bnxt_fill_msix_vecs(bp, ent);
-	bnxt_set_max_func_irqs(bp, bnxt_get_max_func_irqs(bp) - avail_msix);
 	bnxt_set_max_func_cp_rings(bp, max_cp_rings - avail_msix);
 	edev->flags |= BNXT_EN_FLAG_MSIX_REQUESTED;
 	return avail_msix;
@@ -192,7 +191,6 @@ static int bnxt_free_msix_vecs(struct bnxt_en_dev *edev, int ulp_id)
 	msix_requested = edev->ulp_tbl[ulp_id].msix_requested;
 	bnxt_set_max_func_cp_rings(bp, max_cp_rings + msix_requested);
 	edev->ulp_tbl[ulp_id].msix_requested = 0;
-	bnxt_set_max_func_irqs(bp, bnxt_get_max_func_irqs(bp) + msix_requested);
 	edev->flags &= ~BNXT_EN_FLAG_MSIX_REQUESTED;
 	if (netif_running(dev)) {
 		bnxt_close_nic(bp, true, false);
diff --git a/drivers/net/ethernet/broadcom/cnic.c b/drivers/net/ethernet/broadcom/cnic.c
index 30273a7717e2..4fd829b5e65d 100644
--- a/drivers/net/ethernet/broadcom/cnic.c
+++ b/drivers/net/ethernet/broadcom/cnic.c
@@ -660,7 +660,7 @@ static int cnic_init_id_tbl(struct cnic_id_tbl *id_tbl, u32 size, u32 start_id,
 	id_tbl->max = size;
 	id_tbl->next = next;
 	spin_lock_init(&id_tbl->lock);
-	id_tbl->table = kcalloc(DIV_ROUND_UP(size, 32), 4, GFP_KERNEL);
+	id_tbl->table = kcalloc(BITS_TO_LONGS(size), sizeof(long), GFP_KERNEL);
 	if (!id_tbl->table)
 		return -ENOMEM;
 
diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c
index 3be87efdc93d..aa1374d0af93 100644
--- a/drivers/net/ethernet/broadcom/tg3.c
+++ b/drivers/net/ethernet/broadcom/tg3.c
@@ -6,11 +6,15 @@
  * Copyright (C) 2004 Sun Microsystems Inc.
  * Copyright (C) 2005-2016 Broadcom Corporation.
  * Copyright (C) 2016-2017 Broadcom Limited.
+ * Copyright (C) 2018 Broadcom. All Rights Reserved. The term "Broadcom"
+ * refers to Broadcom Inc. and/or its subsidiaries.
  *
  * Firmware is:
  *	Derived from proprietary unpublished source code,
  *	Copyright (C) 2000-2016 Broadcom Corporation.
  *	Copyright (C) 2016-2017 Broadcom Ltd.
+ *	Copyright (C) 2018 Broadcom. All Rights Reserved. The term "Broadcom"
+ *	refers to Broadcom Inc. and/or its subsidiaries.
  *
  *	Permission is hereby granted for the distribution of this firmware
  *	data in hexadecimal or equivalent format, provided this copyright
@@ -9290,6 +9294,15 @@ static int tg3_chip_reset(struct tg3 *tp)
 
 	tg3_restore_clk(tp);
 
+	/* Increase the core clock speed to fix tx timeout issue for 5762
+	 * with 100Mbps link speed.
+	 */
+	if (tg3_asic_rev(tp) == ASIC_REV_5762) {
+		val = tr32(TG3_CPMU_CLCK_ORIDE_ENABLE);
+		tw32(TG3_CPMU_CLCK_ORIDE_ENABLE, val |
+		     TG3_CPMU_MAC_ORIDE_ENABLE);
+	}
+
 	/* Reprobe ASF enable state.  */
 	tg3_flag_clear(tp, ENABLE_ASF);
 	tp->phy_flags &= ~(TG3_PHYFLG_1G_ON_VAUX_OK |
diff --git a/drivers/net/ethernet/broadcom/tg3.h b/drivers/net/ethernet/broadcom/tg3.h
index 1d61aa3efda1..a772a33b685c 100644
--- a/drivers/net/ethernet/broadcom/tg3.h
+++ b/drivers/net/ethernet/broadcom/tg3.h
@@ -7,6 +7,8 @@
  * Copyright (C) 2004 Sun Microsystems Inc.
  * Copyright (C) 2007-2016 Broadcom Corporation.
  * Copyright (C) 2016-2017 Broadcom Limited.
+ * Copyright (C) 2018 Broadcom. All Rights Reserved. The term "Broadcom"
+ * refers to Broadcom Inc. and/or its subsidiaries.
  */
 
 #ifndef _T3_H
diff --git a/drivers/net/ethernet/cadence/macb.h b/drivers/net/ethernet/cadence/macb.h
index 86659823b259..3d45f4c92cf6 100644
--- a/drivers/net/ethernet/cadence/macb.h
+++ b/drivers/net/ethernet/cadence/macb.h
@@ -166,6 +166,7 @@
 #define GEM_DCFG6		0x0294 /* Design Config 6 */
 #define GEM_DCFG7		0x0298 /* Design Config 7 */
 #define GEM_DCFG8		0x029C /* Design Config 8 */
+#define GEM_DCFG10		0x02A4 /* Design Config 10 */
 
 #define GEM_TXBDCTRL	0x04cc /* TX Buffer Descriptor control register */
 #define GEM_RXBDCTRL	0x04d0 /* RX Buffer Descriptor control register */
@@ -490,6 +491,12 @@
 #define GEM_SCR2CMP_OFFSET			0
 #define GEM_SCR2CMP_SIZE			8
 
+/* Bitfields in DCFG10 */
+#define GEM_TXBD_RDBUFF_OFFSET			12
+#define GEM_TXBD_RDBUFF_SIZE			4
+#define GEM_RXBD_RDBUFF_OFFSET			8
+#define GEM_RXBD_RDBUFF_SIZE			4
+
 /* Bitfields in TISUBN */
 #define GEM_SUBNSINCR_OFFSET			0
 #define GEM_SUBNSINCR_SIZE			16
@@ -635,6 +642,7 @@
 #define MACB_CAPS_USRIO_DISABLED		0x00000010
 #define MACB_CAPS_JUMBO				0x00000020
 #define MACB_CAPS_GEM_HAS_PTP			0x00000040
+#define MACB_CAPS_BD_RD_PREFETCH		0x00000080
 #define MACB_CAPS_FIFO_MODE			0x10000000
 #define MACB_CAPS_GIGABIT_MODE_AVAILABLE	0x20000000
 #define MACB_CAPS_SG_DISABLED			0x40000000
@@ -1203,6 +1211,9 @@ struct macb {
 	unsigned int max_tuples;
 
 	struct tasklet_struct	hresp_err_tasklet;
+
+	int	rx_bd_rd_prefetch;
+	int	tx_bd_rd_prefetch;
 };
 
 #ifdef CONFIG_MACB_USE_HWSTAMP
diff --git a/drivers/net/ethernet/cadence/macb_main.c b/drivers/net/ethernet/cadence/macb_main.c
index 3e93df5d4e3b..a6c911bb5ce2 100644
--- a/drivers/net/ethernet/cadence/macb_main.c
+++ b/drivers/net/ethernet/cadence/macb_main.c
@@ -1811,23 +1811,25 @@ static void macb_free_consistent(struct macb *bp)
 {
 	struct macb_queue *queue;
 	unsigned int q;
+	int size;
 
-	queue = &bp->queues[0];
 	bp->macbgem_ops.mog_free_rx_buffers(bp);
-	if (queue->rx_ring) {
-		dma_free_coherent(&bp->pdev->dev, RX_RING_BYTES(bp),
-				queue->rx_ring, queue->rx_ring_dma);
-		queue->rx_ring = NULL;
-	}
 
 	for (q = 0, queue = bp->queues; q < bp->num_queues; ++q, ++queue) {
 		kfree(queue->tx_skb);
 		queue->tx_skb = NULL;
 		if (queue->tx_ring) {
-			dma_free_coherent(&bp->pdev->dev, TX_RING_BYTES(bp),
+			size = TX_RING_BYTES(bp) + bp->tx_bd_rd_prefetch;
+			dma_free_coherent(&bp->pdev->dev, size,
 					  queue->tx_ring, queue->tx_ring_dma);
 			queue->tx_ring = NULL;
 		}
+		if (queue->rx_ring) {
+			size = RX_RING_BYTES(bp) + bp->rx_bd_rd_prefetch;
+			dma_free_coherent(&bp->pdev->dev, size,
+					  queue->rx_ring, queue->rx_ring_dma);
+			queue->rx_ring = NULL;
+		}
 	}
 }
 
@@ -1874,7 +1876,7 @@ static int macb_alloc_consistent(struct macb *bp)
 	int size;
 
 	for (q = 0, queue = bp->queues; q < bp->num_queues; ++q, ++queue) {
-		size = TX_RING_BYTES(bp);
+		size = TX_RING_BYTES(bp) + bp->tx_bd_rd_prefetch;
 		queue->tx_ring = dma_alloc_coherent(&bp->pdev->dev, size,
 						    &queue->tx_ring_dma,
 						    GFP_KERNEL);
@@ -1890,7 +1892,7 @@ static int macb_alloc_consistent(struct macb *bp)
 		if (!queue->tx_skb)
 			goto out_err;
 
-		size = RX_RING_BYTES(bp);
+		size = RX_RING_BYTES(bp) + bp->rx_bd_rd_prefetch;
 		queue->rx_ring = dma_alloc_coherent(&bp->pdev->dev, size,
 						 &queue->rx_ring_dma, GFP_KERNEL);
 		if (!queue->rx_ring)
@@ -3726,6 +3728,8 @@ static int at91ether_init(struct platform_device *pdev)
 	int err;
 	u32 reg;
 
+	bp->queues[0].bp = bp;
+
 	dev->netdev_ops = &at91ether_netdev_ops;
 	dev->ethtool_ops = &macb_ethtool_ops;
 
@@ -3795,7 +3799,7 @@ static const struct macb_config np4_config = {
 static const struct macb_config zynqmp_config = {
 	.caps = MACB_CAPS_GIGABIT_MODE_AVAILABLE |
 			MACB_CAPS_JUMBO |
-			MACB_CAPS_GEM_HAS_PTP,
+			MACB_CAPS_GEM_HAS_PTP | MACB_CAPS_BD_RD_PREFETCH,
 	.dma_burst_length = 16,
 	.clk_init = macb_clk_init,
 	.init = macb_init,
@@ -3856,7 +3860,7 @@ static int macb_probe(struct platform_device *pdev)
 	void __iomem *mem;
 	const char *mac;
 	struct macb *bp;
-	int err;
+	int err, val;
 
 	regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	mem = devm_ioremap_resource(&pdev->dev, regs);
@@ -3945,6 +3949,18 @@ static int macb_probe(struct platform_device *pdev)
 	else
 		dev->max_mtu = ETH_DATA_LEN;
 
+	if (bp->caps & MACB_CAPS_BD_RD_PREFETCH) {
+		val = GEM_BFEXT(RXBD_RDBUFF, gem_readl(bp, DCFG10));
+		if (val)
+			bp->rx_bd_rd_prefetch = (2 << (val - 1)) *
+						macb_dma_desc_get_size(bp);
+
+		val = GEM_BFEXT(TXBD_RDBUFF, gem_readl(bp, DCFG10));
+		if (val)
+			bp->tx_bd_rd_prefetch = (2 << (val - 1)) *
+						macb_dma_desc_get_size(bp);
+	}
+
 	mac = of_get_mac_address(np);
 	if (mac) {
 		ether_addr_copy(bp->dev->dev_addr, mac);
diff --git a/drivers/net/ethernet/cadence/macb_ptp.c b/drivers/net/ethernet/cadence/macb_ptp.c
index 2220c771092b..678835136bf8 100644
--- a/drivers/net/ethernet/cadence/macb_ptp.c
+++ b/drivers/net/ethernet/cadence/macb_ptp.c
@@ -170,10 +170,7 @@ static int gem_ptp_adjtime(struct ptp_clock_info *ptp, s64 delta)
 
 	if (delta > TSU_NSEC_MAX_VAL) {
 		gem_tsu_get_time(&bp->ptp_clock_info, &now);
-		if (sign)
-			now = timespec64_sub(now, then);
-		else
-			now = timespec64_add(now, then);
+		now = timespec64_add(now, then);
 
 		gem_tsu_set_time(&bp->ptp_clock_info,
 				 (const struct timespec64 *)&now);
diff --git a/drivers/net/ethernet/calxeda/Kconfig b/drivers/net/ethernet/calxeda/Kconfig
index 07d2201530d2..9fdd496b90ff 100644
--- a/drivers/net/ethernet/calxeda/Kconfig
+++ b/drivers/net/ethernet/calxeda/Kconfig
@@ -1,6 +1,6 @@
 config NET_CALXEDA_XGMAC
 	tristate "Calxeda 1G/10G XGMAC Ethernet driver"
-	depends on HAS_IOMEM && HAS_DMA
+	depends on HAS_IOMEM
 	depends on ARCH_HIGHBANK || COMPILE_TEST
 	select CRC32
 	help
diff --git a/drivers/net/ethernet/cavium/Kconfig b/drivers/net/ethernet/cavium/Kconfig
index 043e3c11c42b..92d88c5f76fb 100644
--- a/drivers/net/ethernet/cavium/Kconfig
+++ b/drivers/net/ethernet/cavium/Kconfig
@@ -15,7 +15,7 @@ if NET_VENDOR_CAVIUM
 
 config THUNDER_NIC_PF
 	tristate "Thunder Physical function driver"
-	depends on 64BIT
+	depends on 64BIT && PCI
 	select THUNDER_NIC_BGX
 	---help---
 	  This driver supports Thunder's NIC physical function.
@@ -28,13 +28,13 @@ config THUNDER_NIC_PF
 config THUNDER_NIC_VF
 	tristate "Thunder Virtual function driver"
 	imply CAVIUM_PTP
-	depends on 64BIT
+	depends on 64BIT && PCI
 	---help---
 	  This driver supports Thunder's NIC virtual function
 
 config	THUNDER_NIC_BGX
 	tristate "Thunder MAC interface driver (BGX)"
-	depends on 64BIT
+	depends on 64BIT && PCI
 	select PHYLIB
 	select MDIO_THUNDER
 	select THUNDER_NIC_RGX
@@ -44,7 +44,7 @@ config	THUNDER_NIC_BGX
 
 config	THUNDER_NIC_RGX
 	tristate "Thunder MAC interface driver (RGX)"
-	depends on 64BIT
+	depends on 64BIT && PCI
 	select PHYLIB
 	select MDIO_THUNDER
 	---help---
@@ -53,7 +53,7 @@ config	THUNDER_NIC_RGX
 
 config CAVIUM_PTP
 	tristate "Cavium PTP coprocessor as PTP clock"
-	depends on 64BIT
+	depends on 64BIT && PCI
 	imply PTP_1588_CLOCK
 	default y
 	---help---
@@ -65,7 +65,7 @@ config CAVIUM_PTP
 
 config LIQUIDIO
 	tristate "Cavium LiquidIO support"
-	depends on 64BIT
+	depends on 64BIT && PCI
 	depends on MAY_USE_DEVLINK
 	imply PTP_1588_CLOCK
 	select FW_LOADER
diff --git a/drivers/net/ethernet/cavium/liquidio/lio_main.c b/drivers/net/ethernet/cavium/liquidio/lio_main.c
index 8a815bb57177..7e8454d3b1ad 100644
--- a/drivers/net/ethernet/cavium/liquidio/lio_main.c
+++ b/drivers/net/ethernet/cavium/liquidio/lio_main.c
@@ -91,6 +91,9 @@ static int octeon_console_debug_enabled(u32 console)
  */
 #define LIO_SYNC_OCTEON_TIME_INTERVAL_MS 60000
 
+/* time to wait for possible in-flight requests in milliseconds */
+#define WAIT_INFLIGHT_REQUEST	msecs_to_jiffies(1000)
+
 struct lio_trusted_vf_ctx {
 	struct completion complete;
 	int status;
@@ -259,7 +262,7 @@ static inline void pcierror_quiesce_device(struct octeon_device *oct)
 	force_io_queues_off(oct);
 
 	/* To allow for in-flight requests */
-	schedule_timeout_uninterruptible(100);
+	schedule_timeout_uninterruptible(WAIT_INFLIGHT_REQUEST);
 
 	if (wait_for_pending_requests(oct))
 		dev_err(&oct->pci_dev->dev, "There were pending requests\n");
diff --git a/drivers/net/ethernet/cavium/octeon/octeon_mgmt.c b/drivers/net/ethernet/cavium/octeon/octeon_mgmt.c
index 3f6afb54a5eb..bb43ddb7539e 100644
--- a/drivers/net/ethernet/cavium/octeon/octeon_mgmt.c
+++ b/drivers/net/ethernet/cavium/octeon/octeon_mgmt.c
@@ -643,13 +643,21 @@ static int octeon_mgmt_set_mac_address(struct net_device *netdev, void *addr)
 static int octeon_mgmt_change_mtu(struct net_device *netdev, int new_mtu)
 {
 	struct octeon_mgmt *p = netdev_priv(netdev);
-	int size_without_fcs = new_mtu + OCTEON_MGMT_RX_HEADROOM;
+	int max_packet = new_mtu + ETH_HLEN + ETH_FCS_LEN;
 
 	netdev->mtu = new_mtu;
 
-	cvmx_write_csr(p->agl + AGL_GMX_RX_FRM_MAX, size_without_fcs);
+	/* HW lifts the limit if the frame is VLAN tagged
+	 * (+4 bytes per each tag, up to two tags)
+	 */
+	cvmx_write_csr(p->agl + AGL_GMX_RX_FRM_MAX, max_packet);
+	/* Set the hardware to truncate packets larger than the MTU. The jabber
+	 * register must be set to a multiple of 8 bytes, so round up. JABBER is
+	 * an unconditional limit, so we need to account for two possible VLAN
+	 * tags.
+	 */
 	cvmx_write_csr(p->agl + AGL_GMX_RX_JABBER,
-		       (size_without_fcs + 7) & 0xfff8);
+		       (max_packet + 7 + VLAN_HLEN * 2) & 0xfff8);
 
 	return 0;
 }
diff --git a/drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c b/drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c
index 7b795edd9d3a..a19172dbe6be 100644
--- a/drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c
+++ b/drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c
@@ -51,6 +51,7 @@
 #include <linux/sched.h>
 #include <linux/slab.h>
 #include <linux/uaccess.h>
+#include <linux/nospec.h>
 
 #include "common.h"
 #include "cxgb3_ioctl.h"
@@ -2268,6 +2269,7 @@ static int cxgb_extension_ioctl(struct net_device *dev, void __user *useraddr)
 
 		if (t.qset_idx >= nqsets)
 			return -EINVAL;
+		t.qset_idx = array_index_nospec(t.qset_idx, nqsets);
 
 		q = &adapter->params.sge.qset[q1 + t.qset_idx];
 		t.rspq_size = q->rspq_size;
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
index dd04a2f89ce6..bc03c175a3cd 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
@@ -263,7 +263,7 @@ static void dcb_tx_queue_prio_enable(struct net_device *dev, int enable)
 				"Can't %s DCB Priority on port %d, TX Queue %d: err=%d\n",
 				enable ? "set" : "unset", pi->port_id, i, -err);
 		else
-			txq->dcb_prio = value;
+			txq->dcb_prio = enable ? value : 0;
 	}
 }
 
diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
index 974a868a4824..3720c3e11ebb 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
@@ -8702,7 +8702,7 @@ static int t4_get_flash_params(struct adapter *adap)
 	};
 
 	unsigned int part, manufacturer;
-	unsigned int density, size;
+	unsigned int density, size = 0;
 	u32 flashid = 0;
 	int ret;
 
@@ -8772,11 +8772,6 @@ static int t4_get_flash_params(struct adapter *adap)
 		case 0x22: /* 256MB */
 			size = 1 << 28;
 			break;
-
-		default:
-			dev_err(adap->pdev_dev, "Micron Flash Part has bad size, ID = %#x, Density code = %#x\n",
-				flashid, density);
-			return -EINVAL;
 		}
 		break;
 	}
@@ -8792,10 +8787,6 @@ static int t4_get_flash_params(struct adapter *adap)
 		case 0x17: /* 64MB */
 			size = 1 << 26;
 			break;
-		default:
-			dev_err(adap->pdev_dev, "ISSI Flash Part has bad size, ID = %#x, Density code = %#x\n",
-				flashid, density);
-			return -EINVAL;
 		}
 		break;
 	}
@@ -8811,10 +8802,6 @@ static int t4_get_flash_params(struct adapter *adap)
 		case 0x18: /* 16MB */
 			size = 1 << 24;
 			break;
-		default:
-			dev_err(adap->pdev_dev, "Macronix Flash Part has bad size, ID = %#x, Density code = %#x\n",
-				flashid, density);
-			return -EINVAL;
 		}
 		break;
 	}
@@ -8830,17 +8817,21 @@ static int t4_get_flash_params(struct adapter *adap)
 		case 0x18: /* 16MB */
 			size = 1 << 24;
 			break;
-		default:
-			dev_err(adap->pdev_dev, "Winbond Flash Part has bad size, ID = %#x, Density code = %#x\n",
-				flashid, density);
-			return -EINVAL;
 		}
 		break;
 	}
-	default:
-		dev_err(adap->pdev_dev, "Unsupported Flash Part, ID = %#x\n",
-			flashid);
-		return -EINVAL;
+	}
+
+	/* If we didn't recognize the FLASH part, that's no real issue: the
+	 * Hardware/Software contract says that Hardware will _*ALWAYS*_
+	 * use a FLASH part which is at least 4MB in size and has 64KB
+	 * sectors.  The unrecognized FLASH part is likely to be much larger
+	 * than 4MB, but that's all we really need.
+	 */
+	if (size == 0) {
+		dev_warn(adap->pdev_dev, "Unknown Flash Part, ID = %#x, assuming 4MB\n",
+			 flashid);
+		size = 1 << 22;
 	}
 
 	/* Store decoded Flash size and fall through into vetting code. */
diff --git a/drivers/net/ethernet/cirrus/Kconfig b/drivers/net/ethernet/cirrus/Kconfig
index 5ab912937aff..ec0b545197e2 100644
--- a/drivers/net/ethernet/cirrus/Kconfig
+++ b/drivers/net/ethernet/cirrus/Kconfig
@@ -19,6 +19,7 @@ if NET_VENDOR_CIRRUS
 config CS89x0
 	tristate "CS89x0 support"
 	depends on ISA || EISA || ARM
+	depends on !PPC32
 	---help---
 	  Support for CS89x0 chipset based Ethernet cards. If you have a
 	  network (Ethernet) card of this type, say Y and read the file
diff --git a/drivers/net/ethernet/cisco/enic/enic_clsf.c b/drivers/net/ethernet/cisco/enic/enic_clsf.c
index 973c1fb70d09..99038dfc7fbe 100644
--- a/drivers/net/ethernet/cisco/enic/enic_clsf.c
+++ b/drivers/net/ethernet/cisco/enic/enic_clsf.c
@@ -79,7 +79,6 @@ void enic_rfs_flw_tbl_init(struct enic *enic)
 	enic->rfs_h.max = enic->config.num_arfs;
 	enic->rfs_h.free = enic->rfs_h.max;
 	enic->rfs_h.toclean = 0;
-	enic_rfs_timer_start(enic);
 }
 
 void enic_rfs_flw_tbl_free(struct enic *enic)
@@ -88,7 +87,6 @@ void enic_rfs_flw_tbl_free(struct enic *enic)
 
 	enic_rfs_timer_stop(enic);
 	spin_lock_bh(&enic->rfs_h.lock);
-	enic->rfs_h.free = 0;
 	for (i = 0; i < (1 << ENIC_RFS_FLW_BITSHIFT); i++) {
 		struct hlist_head *hhead;
 		struct hlist_node *tmp;
@@ -99,6 +97,7 @@ void enic_rfs_flw_tbl_free(struct enic *enic)
 			enic_delfltr(enic, n->fltr_id);
 			hlist_del(&n->node);
 			kfree(n);
+			enic->rfs_h.free++;
 		}
 	}
 	spin_unlock_bh(&enic->rfs_h.lock);
diff --git a/drivers/net/ethernet/cisco/enic/enic_main.c b/drivers/net/ethernet/cisco/enic/enic_main.c
index 30d2eaa18c04..90c645b8538e 100644
--- a/drivers/net/ethernet/cisco/enic/enic_main.c
+++ b/drivers/net/ethernet/cisco/enic/enic_main.c
@@ -1920,7 +1920,7 @@ static int enic_open(struct net_device *netdev)
 {
 	struct enic *enic = netdev_priv(netdev);
 	unsigned int i;
-	int err;
+	int err, ret;
 
 	err = enic_request_intr(enic);
 	if (err) {
@@ -1971,16 +1971,15 @@ static int enic_open(struct net_device *netdev)
 		vnic_intr_unmask(&enic->intr[i]);
 
 	enic_notify_timer_start(enic);
-	enic_rfs_flw_tbl_init(enic);
+	enic_rfs_timer_start(enic);
 
 	return 0;
 
 err_out_free_rq:
 	for (i = 0; i < enic->rq_count; i++) {
-		err = vnic_rq_disable(&enic->rq[i]);
-		if (err)
-			return err;
-		vnic_rq_clean(&enic->rq[i], enic_free_rq_buf);
+		ret = vnic_rq_disable(&enic->rq[i]);
+		if (!ret)
+			vnic_rq_clean(&enic->rq[i], enic_free_rq_buf);
 	}
 	enic_dev_notify_unset(enic);
 err_out_free_intr:
@@ -2904,6 +2903,7 @@ static int enic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 
 	timer_setup(&enic->notify_timer, enic_notify_timer, 0);
 
+	enic_rfs_flw_tbl_init(enic);
 	enic_set_rx_coal_setting(enic);
 	INIT_WORK(&enic->reset, enic_reset);
 	INIT_WORK(&enic->tx_hang_reset, enic_tx_hang_reset);
diff --git a/drivers/net/ethernet/faraday/ftgmac100.c b/drivers/net/ethernet/faraday/ftgmac100.c
index 78db8e62a83f..ed6c76d20b45 100644
--- a/drivers/net/ethernet/faraday/ftgmac100.c
+++ b/drivers/net/ethernet/faraday/ftgmac100.c
@@ -1735,8 +1735,8 @@ static void ftgmac100_ncsi_handler(struct ncsi_dev *nd)
 	if (unlikely(nd->state != ncsi_dev_state_functional))
 		return;
 
-	netdev_info(nd->dev, "NCSI interface %s\n",
-		    nd->link_up ? "up" : "down");
+	netdev_dbg(nd->dev, "NCSI interface %s\n",
+		   nd->link_up ? "up" : "down");
 }
 
 static void ftgmac100_setup_clk(struct ftgmac100 *priv)
diff --git a/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c b/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c
index 5f4e1ffa7b95..ab02057ac730 100644
--- a/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c
+++ b/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c
@@ -125,6 +125,9 @@ MODULE_PARM_DESC(tx_timeout, "The Tx timeout in ms");
 /* Default alignment for start of data in an Rx FD */
 #define DPAA_FD_DATA_ALIGNMENT  16
 
+/* The DPAA requires 256 bytes reserved and mapped for the SGT */
+#define DPAA_SGT_SIZE 256
+
 /* Values for the L3R field of the FM Parse Results
  */
 /* L3 Type field: First IP Present IPv4 */
@@ -1617,8 +1620,8 @@ static struct sk_buff *dpaa_cleanup_tx_fd(const struct dpaa_priv *priv,
 
 	if (unlikely(qm_fd_get_format(fd) == qm_fd_sg)) {
 		nr_frags = skb_shinfo(skb)->nr_frags;
-		dma_unmap_single(dev, addr, qm_fd_get_offset(fd) +
-				 sizeof(struct qm_sg_entry) * (1 + nr_frags),
+		dma_unmap_single(dev, addr,
+				 qm_fd_get_offset(fd) + DPAA_SGT_SIZE,
 				 dma_dir);
 
 		/* The sgt buffer has been allocated with netdev_alloc_frag(),
@@ -1903,8 +1906,7 @@ static int skb_to_sg_fd(struct dpaa_priv *priv,
 	void *sgt_buf;
 
 	/* get a page frag to store the SGTable */
-	sz = SKB_DATA_ALIGN(priv->tx_headroom +
-		sizeof(struct qm_sg_entry) * (1 + nr_frags));
+	sz = SKB_DATA_ALIGN(priv->tx_headroom + DPAA_SGT_SIZE);
 	sgt_buf = netdev_alloc_frag(sz);
 	if (unlikely(!sgt_buf)) {
 		netdev_err(net_dev, "netdev_alloc_frag() failed for size %d\n",
@@ -1972,9 +1974,8 @@ static int skb_to_sg_fd(struct dpaa_priv *priv,
 	skbh = (struct sk_buff **)buffer_start;
 	*skbh = skb;
 
-	addr = dma_map_single(dev, buffer_start, priv->tx_headroom +
-			      sizeof(struct qm_sg_entry) * (1 + nr_frags),
-			      dma_dir);
+	addr = dma_map_single(dev, buffer_start,
+			      priv->tx_headroom + DPAA_SGT_SIZE, dma_dir);
 	if (unlikely(dma_mapping_error(dev, addr))) {
 		dev_err(dev, "DMA mapping failed");
 		err = -EINVAL;
diff --git a/drivers/net/ethernet/freescale/fman/fman_port.c b/drivers/net/ethernet/freescale/fman/fman_port.c
index ce6e24c74978..ecbf6187e13a 100644
--- a/drivers/net/ethernet/freescale/fman/fman_port.c
+++ b/drivers/net/ethernet/freescale/fman/fman_port.c
@@ -324,6 +324,10 @@ struct fman_port_qmi_regs {
 #define HWP_HXS_PHE_REPORT 0x00000800
 #define HWP_HXS_PCAC_PSTAT 0x00000100
 #define HWP_HXS_PCAC_PSTOP 0x00000001
+#define HWP_HXS_TCP_OFFSET 0xA
+#define HWP_HXS_UDP_OFFSET 0xB
+#define HWP_HXS_SH_PAD_REM 0x80000000
+
 struct fman_port_hwp_regs {
 	struct {
 		u32 ssa; /* Soft Sequence Attachment */
@@ -728,6 +732,10 @@ static void init_hwp(struct fman_port *port)
 		iowrite32be(0xffffffff, &regs->pmda[i].lcv);
 	}
 
+	/* Short packet padding removal from checksum calculation */
+	iowrite32be(HWP_HXS_SH_PAD_REM, &regs->pmda[HWP_HXS_TCP_OFFSET].ssa);
+	iowrite32be(HWP_HXS_SH_PAD_REM, &regs->pmda[HWP_HXS_UDP_OFFSET].ssa);
+
 	start_port_hwp(port);
 }
 
diff --git a/drivers/net/ethernet/hisilicon/Kconfig b/drivers/net/ethernet/hisilicon/Kconfig
index 8bcf470ff5f3..fb1a7251f45d 100644
--- a/drivers/net/ethernet/hisilicon/Kconfig
+++ b/drivers/net/ethernet/hisilicon/Kconfig
@@ -5,7 +5,7 @@
 config NET_VENDOR_HISILICON
 	bool "Hisilicon devices"
 	default y
-	depends on (OF || ACPI) && HAS_DMA
+	depends on OF || ACPI
 	depends on ARM || ARM64 || COMPILE_TEST
 	---help---
 	  If you have a network (Ethernet) card belonging to this class, say Y.
diff --git a/drivers/net/ethernet/huawei/hinic/hinic_rx.c b/drivers/net/ethernet/huawei/hinic/hinic_rx.c
index e2e5cdc7119c..4c0f7eda1166 100644
--- a/drivers/net/ethernet/huawei/hinic/hinic_rx.c
+++ b/drivers/net/ethernet/huawei/hinic/hinic_rx.c
@@ -439,6 +439,7 @@ static void rx_free_irq(struct hinic_rxq *rxq)
 {
 	struct hinic_rq *rq = rxq->rq;
 
+	irq_set_affinity_hint(rq->irq, NULL);
 	free_irq(rq->irq, rxq);
 	rx_del_napi(rxq);
 }
diff --git a/drivers/net/ethernet/huawei/hinic/hinic_tx.c b/drivers/net/ethernet/huawei/hinic/hinic_tx.c
index 9128858479c4..2353ec829c04 100644
--- a/drivers/net/ethernet/huawei/hinic/hinic_tx.c
+++ b/drivers/net/ethernet/huawei/hinic/hinic_tx.c
@@ -229,6 +229,7 @@ netdev_tx_t hinic_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
 		txq->txq_stats.tx_busy++;
 		u64_stats_update_end(&txq->txq_stats.syncp);
 		err = NETDEV_TX_BUSY;
+		wqe_size = 0;
 		goto flush_skbs;
 	}
 
diff --git a/drivers/net/ethernet/ibm/ibmvnic.c b/drivers/net/ethernet/ibm/ibmvnic.c
index d0e196bff081..ffe7acbeaa22 100644
--- a/drivers/net/ethernet/ibm/ibmvnic.c
+++ b/drivers/net/ethernet/ibm/ibmvnic.c
@@ -329,7 +329,8 @@ static void replenish_rx_pool(struct ibmvnic_adapter *adapter,
 	return;
 
 failure:
-	dev_info(dev, "replenish pools failure\n");
+	if (lpar_rc != H_PARAMETER && lpar_rc != H_CLOSED)
+		dev_err_ratelimited(dev, "rx: replenish packet buffer failed\n");
 	pool->free_map[pool->next_free] = index;
 	pool->rx_buff[index].skb = NULL;
 
@@ -1617,7 +1618,8 @@ static int ibmvnic_xmit(struct sk_buff *skb, struct net_device *netdev)
 				      &tx_crq);
 	}
 	if (lpar_rc != H_SUCCESS) {
-		dev_err(dev, "tx failed with code %ld\n", lpar_rc);
+		if (lpar_rc != H_CLOSED && lpar_rc != H_PARAMETER)
+			dev_err_ratelimited(dev, "tx: send failed\n");
 		dev_kfree_skb_any(skb);
 		tx_buff->skb = NULL;
 
@@ -1825,8 +1827,8 @@ static int do_reset(struct ibmvnic_adapter *adapter,
 
 		rc = ibmvnic_login(netdev);
 		if (rc) {
-			adapter->state = VNIC_PROBED;
-			return 0;
+			adapter->state = reset_state;
+			return rc;
 		}
 
 		if (adapter->reset_reason == VNIC_RESET_CHANGE_PARAM ||
@@ -3204,6 +3206,25 @@ static union ibmvnic_crq *ibmvnic_next_crq(struct ibmvnic_adapter *adapter)
 	return crq;
 }
 
+static void print_subcrq_error(struct device *dev, int rc, const char *func)
+{
+	switch (rc) {
+	case H_PARAMETER:
+		dev_warn_ratelimited(dev,
+				     "%s failed: Send request is malformed or adapter failover pending. (rc=%d)\n",
+				     func, rc);
+		break;
+	case H_CLOSED:
+		dev_warn_ratelimited(dev,
+				     "%s failed: Backing queue closed. Adapter is down or failover pending. (rc=%d)\n",
+				     func, rc);
+		break;
+	default:
+		dev_err_ratelimited(dev, "%s failed: (rc=%d)\n", func, rc);
+		break;
+	}
+}
+
 static int send_subcrq(struct ibmvnic_adapter *adapter, u64 remote_handle,
 		       union sub_crq *sub_crq)
 {
@@ -3230,11 +3251,8 @@ static int send_subcrq(struct ibmvnic_adapter *adapter, u64 remote_handle,
 				cpu_to_be64(u64_crq[2]),
 				cpu_to_be64(u64_crq[3]));
 
-	if (rc) {
-		if (rc == H_CLOSED)
-			dev_warn(dev, "CRQ Queue closed\n");
-		dev_err(dev, "Send error (rc=%d)\n", rc);
-	}
+	if (rc)
+		print_subcrq_error(dev, rc, __func__);
 
 	return rc;
 }
@@ -3252,11 +3270,8 @@ static int send_subcrq_indirect(struct ibmvnic_adapter *adapter,
 				cpu_to_be64(remote_handle),
 				ioba, num_entries);
 
-	if (rc) {
-		if (rc == H_CLOSED)
-			dev_warn(dev, "CRQ Queue closed\n");
-		dev_err(dev, "Send (indirect) error (rc=%d)\n", rc);
-	}
+	if (rc)
+		print_subcrq_error(dev, rc, __func__);
 
 	return rc;
 }
diff --git a/drivers/net/ethernet/intel/i40e/i40e_txrx.c b/drivers/net/ethernet/intel/i40e/i40e_txrx.c
index 8ffb7454e67c..b151ae316546 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_txrx.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_txrx.c
@@ -2103,9 +2103,8 @@ static struct sk_buff *i40e_build_skb(struct i40e_ring *rx_ring,
 	unsigned int truesize = i40e_rx_pg_size(rx_ring) / 2;
 #else
 	unsigned int truesize = SKB_DATA_ALIGN(sizeof(struct skb_shared_info)) +
-				SKB_DATA_ALIGN(I40E_SKB_PAD +
-					       (xdp->data_end -
-						xdp->data_hard_start));
+				SKB_DATA_ALIGN(xdp->data_end -
+					       xdp->data_hard_start);
 #endif
 	struct sk_buff *skb;
 
@@ -2124,7 +2123,7 @@ static struct sk_buff *i40e_build_skb(struct i40e_ring *rx_ring,
 		return NULL;
 
 	/* update pointers within the skb to store the data */
-	skb_reserve(skb, I40E_SKB_PAD + (xdp->data - xdp->data_hard_start));
+	skb_reserve(skb, xdp->data - xdp->data_hard_start);
 	__skb_put(skb, xdp->data_end - xdp->data);
 	if (metasize)
 		skb_metadata_set(skb, metasize);
@@ -2200,9 +2199,10 @@ static bool i40e_is_non_eop(struct i40e_ring *rx_ring,
 	return true;
 }
 
-#define I40E_XDP_PASS 0
-#define I40E_XDP_CONSUMED 1
-#define I40E_XDP_TX 2
+#define I40E_XDP_PASS		0
+#define I40E_XDP_CONSUMED	BIT(0)
+#define I40E_XDP_TX		BIT(1)
+#define I40E_XDP_REDIR		BIT(2)
 
 static int i40e_xmit_xdp_ring(struct xdp_frame *xdpf,
 			      struct i40e_ring *xdp_ring);
@@ -2249,7 +2249,7 @@ static struct sk_buff *i40e_run_xdp(struct i40e_ring *rx_ring,
 		break;
 	case XDP_REDIRECT:
 		err = xdp_do_redirect(rx_ring->netdev, xdp, xdp_prog);
-		result = !err ? I40E_XDP_TX : I40E_XDP_CONSUMED;
+		result = !err ? I40E_XDP_REDIR : I40E_XDP_CONSUMED;
 		break;
 	default:
 		bpf_warn_invalid_xdp_action(act);
@@ -2312,7 +2312,8 @@ static int i40e_clean_rx_irq(struct i40e_ring *rx_ring, int budget)
 	unsigned int total_rx_bytes = 0, total_rx_packets = 0;
 	struct sk_buff *skb = rx_ring->skb;
 	u16 cleaned_count = I40E_DESC_UNUSED(rx_ring);
-	bool failure = false, xdp_xmit = false;
+	unsigned int xdp_xmit = 0;
+	bool failure = false;
 	struct xdp_buff xdp;
 
 	xdp.rxq = &rx_ring->xdp_rxq;
@@ -2373,8 +2374,10 @@ static int i40e_clean_rx_irq(struct i40e_ring *rx_ring, int budget)
 		}
 
 		if (IS_ERR(skb)) {
-			if (PTR_ERR(skb) == -I40E_XDP_TX) {
-				xdp_xmit = true;
+			unsigned int xdp_res = -PTR_ERR(skb);
+
+			if (xdp_res & (I40E_XDP_TX | I40E_XDP_REDIR)) {
+				xdp_xmit |= xdp_res;
 				i40e_rx_buffer_flip(rx_ring, rx_buffer, size);
 			} else {
 				rx_buffer->pagecnt_bias++;
@@ -2428,12 +2431,14 @@ static int i40e_clean_rx_irq(struct i40e_ring *rx_ring, int budget)
 		total_rx_packets++;
 	}
 
-	if (xdp_xmit) {
+	if (xdp_xmit & I40E_XDP_REDIR)
+		xdp_do_flush_map();
+
+	if (xdp_xmit & I40E_XDP_TX) {
 		struct i40e_ring *xdp_ring =
 			rx_ring->vsi->xdp_rings[rx_ring->queue_index];
 
 		i40e_xdp_ring_update_tail(xdp_ring);
-		xdp_do_flush_map();
 	}
 
 	rx_ring->skb = skb;
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c
index 3f5c350716bb..0bd1294ba517 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c
@@ -1871,7 +1871,12 @@ s32 ixgbe_set_rar_generic(struct ixgbe_hw *hw, u32 index, u8 *addr, u32 vmdq,
 	if (enable_addr != 0)
 		rar_high |= IXGBE_RAH_AV;
 
+	/* Record lower 32 bits of MAC address and then make
+	 * sure that write is flushed to hardware before writing
+	 * the upper 16 bits and setting the valid bit.
+	 */
 	IXGBE_WRITE_REG(hw, IXGBE_RAL(index), rar_low);
+	IXGBE_WRITE_FLUSH(hw);
 	IXGBE_WRITE_REG(hw, IXGBE_RAH(index), rar_high);
 
 	return 0;
@@ -1903,8 +1908,13 @@ s32 ixgbe_clear_rar_generic(struct ixgbe_hw *hw, u32 index)
 	rar_high = IXGBE_READ_REG(hw, IXGBE_RAH(index));
 	rar_high &= ~(0x0000FFFF | IXGBE_RAH_AV);
 
-	IXGBE_WRITE_REG(hw, IXGBE_RAL(index), 0);
+	/* Clear the address valid bit and upper 16 bits of the address
+	 * before clearing the lower bits. This way we aren't updating
+	 * a live filter.
+	 */
 	IXGBE_WRITE_REG(hw, IXGBE_RAH(index), rar_high);
+	IXGBE_WRITE_FLUSH(hw);
+	IXGBE_WRITE_REG(hw, IXGBE_RAL(index), 0);
 
 	/* clear VMDq pool/queue selection for this RAR */
 	hw->mac.ops.clear_vmdq(hw, index, IXGBE_CLEAR_VMDQ_ALL);
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.c
index c116f459945d..da4322e4daed 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.c
@@ -839,7 +839,7 @@ int ixgbe_ipsec_tx(struct ixgbe_ring *tx_ring,
 	}
 
 	itd->sa_idx = xs->xso.offload_handle - IXGBE_IPSEC_BASE_TX_INDEX;
-	if (unlikely(itd->sa_idx > IXGBE_IPSEC_MAX_SA_COUNT)) {
+	if (unlikely(itd->sa_idx >= IXGBE_IPSEC_MAX_SA_COUNT)) {
 		netdev_err(tx_ring->netdev, "%s: bad sa_idx=%d handle=%lu\n",
 			   __func__, itd->sa_idx, xs->xso.offload_handle);
 		return 0;
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
index 3e87dbbc9024..62e57b05a0ae 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
@@ -2186,9 +2186,10 @@ static struct sk_buff *ixgbe_build_skb(struct ixgbe_ring *rx_ring,
 	return skb;
 }
 
-#define IXGBE_XDP_PASS 0
-#define IXGBE_XDP_CONSUMED 1
-#define IXGBE_XDP_TX 2
+#define IXGBE_XDP_PASS		0
+#define IXGBE_XDP_CONSUMED	BIT(0)
+#define IXGBE_XDP_TX		BIT(1)
+#define IXGBE_XDP_REDIR		BIT(2)
 
 static int ixgbe_xmit_xdp_ring(struct ixgbe_adapter *adapter,
 			       struct xdp_frame *xdpf);
@@ -2225,7 +2226,7 @@ static struct sk_buff *ixgbe_run_xdp(struct ixgbe_adapter *adapter,
 	case XDP_REDIRECT:
 		err = xdp_do_redirect(adapter->netdev, xdp, xdp_prog);
 		if (!err)
-			result = IXGBE_XDP_TX;
+			result = IXGBE_XDP_REDIR;
 		else
 			result = IXGBE_XDP_CONSUMED;
 		break;
@@ -2285,7 +2286,7 @@ static int ixgbe_clean_rx_irq(struct ixgbe_q_vector *q_vector,
 	unsigned int mss = 0;
 #endif /* IXGBE_FCOE */
 	u16 cleaned_count = ixgbe_desc_unused(rx_ring);
-	bool xdp_xmit = false;
+	unsigned int xdp_xmit = 0;
 	struct xdp_buff xdp;
 
 	xdp.rxq = &rx_ring->xdp_rxq;
@@ -2328,8 +2329,10 @@ static int ixgbe_clean_rx_irq(struct ixgbe_q_vector *q_vector,
 		}
 
 		if (IS_ERR(skb)) {
-			if (PTR_ERR(skb) == -IXGBE_XDP_TX) {
-				xdp_xmit = true;
+			unsigned int xdp_res = -PTR_ERR(skb);
+
+			if (xdp_res & (IXGBE_XDP_TX | IXGBE_XDP_REDIR)) {
+				xdp_xmit |= xdp_res;
 				ixgbe_rx_buffer_flip(rx_ring, rx_buffer, size);
 			} else {
 				rx_buffer->pagecnt_bias++;
@@ -2401,7 +2404,10 @@ static int ixgbe_clean_rx_irq(struct ixgbe_q_vector *q_vector,
 		total_rx_packets++;
 	}
 
-	if (xdp_xmit) {
+	if (xdp_xmit & IXGBE_XDP_REDIR)
+		xdp_do_flush_map();
+
+	if (xdp_xmit & IXGBE_XDP_TX) {
 		struct ixgbe_ring *ring = adapter->xdp_ring[smp_processor_id()];
 
 		/* Force memory writes to complete before letting h/w
@@ -2409,8 +2415,6 @@ static int ixgbe_clean_rx_irq(struct ixgbe_q_vector *q_vector,
 		 */
 		wmb();
 		writel(ring->next_to_use, ring->tail);
-
-		xdp_do_flush_map();
 	}
 
 	u64_stats_update_begin(&rx_ring->syncp);
diff --git a/drivers/net/ethernet/marvell/Kconfig b/drivers/net/ethernet/marvell/Kconfig
index cc2f7701e71e..f33fd22b351c 100644
--- a/drivers/net/ethernet/marvell/Kconfig
+++ b/drivers/net/ethernet/marvell/Kconfig
@@ -18,8 +18,8 @@ if NET_VENDOR_MARVELL
 
 config MV643XX_ETH
 	tristate "Marvell Discovery (643XX) and Orion ethernet support"
-	depends on (MV64X60 || PPC32 || PLAT_ORION || COMPILE_TEST) && INET
-	depends on HAS_DMA
+	depends on MV64X60 || PPC32 || PLAT_ORION || COMPILE_TEST
+	depends on INET
 	select PHYLIB
 	select MVMDIO
 	---help---
@@ -58,7 +58,6 @@ config MVNETA_BM_ENABLE
 config MVNETA
 	tristate "Marvell Armada 370/38x/XP/37xx network interface support"
 	depends on ARCH_MVEBU || COMPILE_TEST
-	depends on HAS_DMA
 	select MVMDIO
 	select PHYLINK
 	---help---
@@ -84,7 +83,6 @@ config MVNETA_BM
 config MVPP2
 	tristate "Marvell Armada 375/7K/8K network interface support"
 	depends on ARCH_MVEBU || COMPILE_TEST
-	depends on HAS_DMA
 	select MVMDIO
 	select PHYLINK
 	---help---
@@ -93,7 +91,7 @@ config MVPP2
 
 config PXA168_ETH
 	tristate "Marvell pxa168 ethernet support"
-	depends on HAS_IOMEM && HAS_DMA
+	depends on HAS_IOMEM
 	depends on CPU_PXA168 || ARCH_BERLIN || COMPILE_TEST
 	select PHYLIB
 	---help---
diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c
index 17a904cc6a5e..0ad2f3f7da85 100644
--- a/drivers/net/ethernet/marvell/mvneta.c
+++ b/drivers/net/ethernet/marvell/mvneta.c
@@ -1932,7 +1932,7 @@ static int mvneta_rx_swbm(struct mvneta_port *pp, int rx_todo,
 		rx_bytes = rx_desc->data_size - (ETH_FCS_LEN + MVNETA_MH_SIZE);
 		index = rx_desc - rxq->descs;
 		data = rxq->buf_virt_addr[index];
-		phys_addr = rx_desc->buf_phys_addr;
+		phys_addr = rx_desc->buf_phys_addr - pp->rx_offset_correction;
 
 		if (!mvneta_rxq_desc_is_first_last(rx_status) ||
 		    (rx_status & MVNETA_RXD_ERR_SUMMARY)) {
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_rx.c b/drivers/net/ethernet/mellanox/mlx4/en_rx.c
index 9f54ccbddea7..3360f7b9ee73 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_rx.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_rx.c
@@ -474,10 +474,10 @@ static int mlx4_en_complete_rx_desc(struct mlx4_en_priv *priv,
 {
 	const struct mlx4_en_frag_info *frag_info = priv->frag_info;
 	unsigned int truesize = 0;
+	bool release = true;
 	int nr, frag_size;
 	struct page *page;
 	dma_addr_t dma;
-	bool release;
 
 	/* Collect used fragments while replacing them in the HW descriptors */
 	for (nr = 0;; frags++) {
@@ -500,7 +500,11 @@ static int mlx4_en_complete_rx_desc(struct mlx4_en_priv *priv,
 			release = page_count(page) != 1 ||
 				  page_is_pfmemalloc(page) ||
 				  page_to_nid(page) != numa_mem_id();
-		} else {
+		} else if (!priv->rx_headroom) {
+			/* rx_headroom for non XDP setup is always 0.
+			 * When XDP is set, the above condition will
+			 * guarantee page is always released.
+			 */
 			u32 sz_align = ALIGN(frag_size, SMP_CACHE_BYTES);
 
 			frags->page_offset += sz_align;
diff --git a/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c b/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c
index 7b1b5ac986d0..31bd56727022 100644
--- a/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c
+++ b/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c
@@ -2958,7 +2958,7 @@ int mlx4_RST2INIT_QP_wrapper(struct mlx4_dev *dev, int slave,
 	u32 srqn = qp_get_srqn(qpc) & 0xffffff;
 	int use_srq = (qp_get_srqn(qpc) >> 24) & 1;
 	struct res_srq *srq;
-	int local_qpn = be32_to_cpu(qpc->local_qpn) & 0xffffff;
+	int local_qpn = vhcr->in_modifier & 0xffffff;
 
 	err = adjust_qp_sched_queue(dev, slave, qpc, inbox);
 	if (err)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/alloc.c b/drivers/net/ethernet/mellanox/mlx5/core/alloc.c
index 323ffe8bf7e4..456f30007ad6 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/alloc.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/alloc.c
@@ -123,7 +123,7 @@ int mlx5_frag_buf_alloc_node(struct mlx5_core_dev *dev, int size,
 	int i;
 
 	buf->size = size;
-	buf->npages = 1 << get_order(size);
+	buf->npages = DIV_ROUND_UP(size, PAGE_SIZE);
 	buf->page_shift = PAGE_SHIFT;
 	buf->frags = kcalloc(buf->npages, sizeof(struct mlx5_buf_list),
 			     GFP_KERNEL);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c
index 487388aed98f..384c1fa49081 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c
@@ -807,6 +807,7 @@ static void cmd_work_handler(struct work_struct *work)
 	unsigned long flags;
 	bool poll_cmd = ent->polling;
 	int alloc_ret;
+	int cmd_mode;
 
 	sem = ent->page_queue ? &cmd->pages_sem : &cmd->sem;
 	down(sem);
@@ -853,6 +854,7 @@ static void cmd_work_handler(struct work_struct *work)
 	set_signature(ent, !cmd->checksum_disabled);
 	dump_command(dev, ent, 1);
 	ent->ts1 = ktime_get_ns();
+	cmd_mode = cmd->mode;
 
 	if (ent->callback)
 		schedule_delayed_work(&ent->cb_timeout_work, cb_timeout);
@@ -877,7 +879,7 @@ static void cmd_work_handler(struct work_struct *work)
 	iowrite32be(1 << ent->idx, &dev->iseg->cmd_dbell);
 	mmiowb();
 	/* if not in polling don't use ent after this point */
-	if (cmd->mode == CMD_MODE_POLLING || poll_cmd) {
+	if (cmd_mode == CMD_MODE_POLLING || poll_cmd) {
 		poll_timeout(ent);
 		/* make sure we read the descriptor after ownership is SW */
 		rmb();
@@ -1276,7 +1278,7 @@ static ssize_t outlen_write(struct file *filp, const char __user *buf,
 {
 	struct mlx5_core_dev *dev = filp->private_data;
 	struct mlx5_cmd_debug *dbg = &dev->cmd.dbg;
-	char outlen_str[8];
+	char outlen_str[8] = {0};
 	int outlen;
 	void *ptr;
 	int err;
@@ -1291,8 +1293,6 @@ static ssize_t outlen_write(struct file *filp, const char __user *buf,
 	if (copy_from_user(outlen_str, buf, count))
 		return -EFAULT;
 
-	outlen_str[7] = 0;
-
 	err = sscanf(outlen_str, "%d", &outlen);
 	if (err < 0)
 		return err;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_arfs.c b/drivers/net/ethernet/mellanox/mlx5/core/en_arfs.c
index 75e4308ba786..d258bb679271 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_arfs.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_arfs.c
@@ -381,14 +381,14 @@ static void arfs_may_expire_flow(struct mlx5e_priv *priv)
 	HLIST_HEAD(del_list);
 	spin_lock_bh(&priv->fs.arfs.arfs_lock);
 	mlx5e_for_each_arfs_rule(arfs_rule, htmp, priv->fs.arfs.arfs_tables, i, j) {
-		if (quota++ > MLX5E_ARFS_EXPIRY_QUOTA)
-			break;
 		if (!work_pending(&arfs_rule->arfs_work) &&
 		    rps_may_expire_flow(priv->netdev,
 					arfs_rule->rxq, arfs_rule->flow_id,
 					arfs_rule->filter_id)) {
 			hlist_del_init(&arfs_rule->hlist);
 			hlist_add_head(&arfs_rule->hlist, &del_list);
+			if (quota++ > MLX5E_ARFS_EXPIRY_QUOTA)
+				break;
 		}
 	}
 	spin_unlock_bh(&priv->fs.arfs.arfs_lock);
@@ -711,6 +711,9 @@ int mlx5e_rx_flow_steer(struct net_device *dev, const struct sk_buff *skb,
 	    skb->protocol != htons(ETH_P_IPV6))
 		return -EPROTONOSUPPORT;
 
+	if (skb->encapsulation)
+		return -EPROTONOSUPPORT;
+
 	arfs_t = arfs_get_table(arfs, arfs_get_ip_proto(skb), skb->protocol);
 	if (!arfs_t)
 		return -EPROTONOSUPPORT;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c b/drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c
index 0a52f31fef37..86bc9ac99586 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c
@@ -275,7 +275,8 @@ int mlx5e_dcbnl_ieee_setets_core(struct mlx5e_priv *priv, struct ieee_ets *ets)
 }
 
 static int mlx5e_dbcnl_validate_ets(struct net_device *netdev,
-				    struct ieee_ets *ets)
+				    struct ieee_ets *ets,
+				    bool zero_sum_allowed)
 {
 	bool have_ets_tc = false;
 	int bw_sum = 0;
@@ -300,8 +301,9 @@ static int mlx5e_dbcnl_validate_ets(struct net_device *netdev,
 	}
 
 	if (have_ets_tc && bw_sum != 100) {
-		netdev_err(netdev,
-			   "Failed to validate ETS: BW sum is illegal\n");
+		if (bw_sum || (!bw_sum && !zero_sum_allowed))
+			netdev_err(netdev,
+				   "Failed to validate ETS: BW sum is illegal\n");
 		return -EINVAL;
 	}
 	return 0;
@@ -316,7 +318,7 @@ static int mlx5e_dcbnl_ieee_setets(struct net_device *netdev,
 	if (!MLX5_CAP_GEN(priv->mdev, ets))
 		return -EOPNOTSUPP;
 
-	err = mlx5e_dbcnl_validate_ets(netdev, ets);
+	err = mlx5e_dbcnl_validate_ets(netdev, ets, false);
 	if (err)
 		return err;
 
@@ -642,12 +644,9 @@ static u8 mlx5e_dcbnl_setall(struct net_device *netdev)
 			  ets.prio_tc[i]);
 	}
 
-	err = mlx5e_dbcnl_validate_ets(netdev, &ets);
-	if (err) {
-		netdev_err(netdev,
-			   "%s, Failed to validate ETS: %d\n", __func__, err);
+	err = mlx5e_dbcnl_validate_ets(netdev, &ets, true);
+	if (err)
 		goto out;
-	}
 
 	err = mlx5e_dcbnl_ieee_setets_core(priv, &ets);
 	if (err) {
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
index 56c1b6f5593e..dae4156a710d 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
@@ -2846,7 +2846,7 @@ void mlx5e_activate_priv_channels(struct mlx5e_priv *priv)
 	mlx5e_activate_channels(&priv->channels);
 	netif_tx_start_all_queues(priv->netdev);
 
-	if (MLX5_VPORT_MANAGER(priv->mdev))
+	if (MLX5_ESWITCH_MANAGER(priv->mdev))
 		mlx5e_add_sqs_fwd_rules(priv);
 
 	mlx5e_wait_channels_min_rx_wqes(&priv->channels);
@@ -2857,7 +2857,7 @@ void mlx5e_deactivate_priv_channels(struct mlx5e_priv *priv)
 {
 	mlx5e_redirect_rqts_to_drop(priv);
 
-	if (MLX5_VPORT_MANAGER(priv->mdev))
+	if (MLX5_ESWITCH_MANAGER(priv->mdev))
 		mlx5e_remove_sqs_fwd_rules(priv);
 
 	/* FIXME: This is a W/A only for tx timeout watch dog false alarm when
@@ -4597,7 +4597,7 @@ static void mlx5e_build_nic_netdev(struct net_device *netdev)
 	mlx5e_set_netdev_dev_addr(netdev);
 
 #if IS_ENABLED(CONFIG_MLX5_ESWITCH)
-	if (MLX5_VPORT_MANAGER(mdev))
+	if (MLX5_ESWITCH_MANAGER(mdev))
 		netdev->switchdev_ops = &mlx5e_switchdev_ops;
 #endif
 
@@ -4753,7 +4753,7 @@ static void mlx5e_nic_enable(struct mlx5e_priv *priv)
 
 	mlx5e_enable_async_events(priv);
 
-	if (MLX5_VPORT_MANAGER(priv->mdev))
+	if (MLX5_ESWITCH_MANAGER(priv->mdev))
 		mlx5e_register_vport_reps(priv);
 
 	if (netdev->reg_state != NETREG_REGISTERED)
@@ -4788,7 +4788,7 @@ static void mlx5e_nic_disable(struct mlx5e_priv *priv)
 
 	queue_work(priv->wq, &priv->set_rx_mode_work);
 
-	if (MLX5_VPORT_MANAGER(priv->mdev))
+	if (MLX5_ESWITCH_MANAGER(priv->mdev))
 		mlx5e_unregister_vport_reps(priv);
 
 	mlx5e_disable_async_events(priv);
@@ -4972,7 +4972,7 @@ static void *mlx5e_add(struct mlx5_core_dev *mdev)
 		return NULL;
 
 #ifdef CONFIG_MLX5_ESWITCH
-	if (MLX5_VPORT_MANAGER(mdev)) {
+	if (MLX5_ESWITCH_MANAGER(mdev)) {
 		rpriv = mlx5e_alloc_nic_rep_priv(mdev);
 		if (!rpriv) {
 			mlx5_core_warn(mdev, "Failed to alloc NIC rep priv data\n");
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c
index 57987f6546e8..2b8040a3cdbd 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c
@@ -823,7 +823,7 @@ bool mlx5e_is_uplink_rep(struct mlx5e_priv *priv)
 	struct mlx5e_rep_priv *rpriv = priv->ppriv;
 	struct mlx5_eswitch_rep *rep;
 
-	if (!MLX5_CAP_GEN(priv->mdev, vport_group_manager))
+	if (!MLX5_ESWITCH_MANAGER(priv->mdev))
 		return false;
 
 	rep = rpriv->rep;
@@ -837,8 +837,12 @@ bool mlx5e_is_uplink_rep(struct mlx5e_priv *priv)
 static bool mlx5e_is_vf_vport_rep(struct mlx5e_priv *priv)
 {
 	struct mlx5e_rep_priv *rpriv = priv->ppriv;
-	struct mlx5_eswitch_rep *rep = rpriv->rep;
+	struct mlx5_eswitch_rep *rep;
 
+	if (!MLX5_ESWITCH_MANAGER(priv->mdev))
+		return false;
+
+	rep = rpriv->rep;
 	if (rep && rep->vport != FDB_UPLINK_VPORT)
 		return true;
 
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
index 0edf4751a8ba..3a2c4e548226 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
@@ -1957,6 +1957,10 @@ static bool actions_match_supported(struct mlx5e_priv *priv,
 	else
 		actions = flow->nic_attr->action;
 
+	if (flow->flags & MLX5E_TC_FLOW_EGRESS &&
+	    !(actions & MLX5_FLOW_CONTEXT_ACTION_DECAP))
+		return false;
+
 	if (actions & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR)
 		return modify_header_match_supported(&parse_attr->spec, exts);
 
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
index f63dfbcd29fe..dd01ad4c0b54 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
@@ -1594,17 +1594,15 @@ static void esw_disable_vport(struct mlx5_eswitch *esw, int vport_num)
 }
 
 /* Public E-Switch API */
-#define ESW_ALLOWED(esw) ((esw) && MLX5_VPORT_MANAGER((esw)->dev))
+#define ESW_ALLOWED(esw) ((esw) && MLX5_ESWITCH_MANAGER((esw)->dev))
+
 
 int mlx5_eswitch_enable_sriov(struct mlx5_eswitch *esw, int nvfs, int mode)
 {
 	int err;
 	int i, enabled_events;
 
-	if (!ESW_ALLOWED(esw))
-		return 0;
-
-	if (!MLX5_CAP_GEN(esw->dev, eswitch_flow_table) ||
+	if (!ESW_ALLOWED(esw) ||
 	    !MLX5_CAP_ESW_FLOWTABLE_FDB(esw->dev, ft_support)) {
 		esw_warn(esw->dev, "E-Switch FDB is not supported, aborting ...\n");
 		return -EOPNOTSUPP;
@@ -1806,7 +1804,7 @@ int mlx5_eswitch_set_vport_mac(struct mlx5_eswitch *esw,
 	u64 node_guid;
 	int err = 0;
 
-	if (!ESW_ALLOWED(esw))
+	if (!MLX5_CAP_GEN(esw->dev, vport_group_manager))
 		return -EPERM;
 	if (!LEGAL_VPORT(esw, vport) || is_multicast_ether_addr(mac))
 		return -EINVAL;
@@ -1883,7 +1881,7 @@ int mlx5_eswitch_get_vport_config(struct mlx5_eswitch *esw,
 {
 	struct mlx5_vport *evport;
 
-	if (!ESW_ALLOWED(esw))
+	if (!MLX5_CAP_GEN(esw->dev, vport_group_manager))
 		return -EPERM;
 	if (!LEGAL_VPORT(esw, vport))
 		return -EINVAL;
@@ -2218,6 +2216,6 @@ free_out:
 
 u8 mlx5_eswitch_mode(struct mlx5_eswitch *esw)
 {
-	return esw->mode;
+	return ESW_ALLOWED(esw) ? esw->mode : SRIOV_NONE;
 }
 EXPORT_SYMBOL_GPL(mlx5_eswitch_mode);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
index cecd201f0b73..91f1209886ff 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
@@ -1079,8 +1079,8 @@ static int mlx5_devlink_eswitch_check(struct devlink *devlink)
 	if (MLX5_CAP_GEN(dev, port_type) != MLX5_CAP_PORT_TYPE_ETH)
 		return -EOPNOTSUPP;
 
-	if (!MLX5_CAP_GEN(dev, vport_group_manager))
-		return -EOPNOTSUPP;
+	if(!MLX5_ESWITCH_MANAGER(dev))
+		return -EPERM;
 
 	if (dev->priv.eswitch->mode == SRIOV_NONE)
 		return -EOPNOTSUPP;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c
index 49a75d31185e..6ddb2565884d 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c
@@ -32,6 +32,7 @@
 
 #include <linux/mutex.h>
 #include <linux/mlx5/driver.h>
+#include <linux/mlx5/eswitch.h>
 
 #include "mlx5_core.h"
 #include "fs_core.h"
@@ -1886,7 +1887,7 @@ mlx5_add_flow_rules(struct mlx5_flow_table *ft,
 	if (flow_act->action == MLX5_FLOW_CONTEXT_ACTION_FWD_NEXT_PRIO) {
 		if (!fwd_next_prio_supported(ft))
 			return ERR_PTR(-EOPNOTSUPP);
-		if (dest)
+		if (dest_num)
 			return ERR_PTR(-EINVAL);
 		mutex_lock(&root->chain_lock);
 		next_ft = find_next_chained_ft(prio);
@@ -2652,7 +2653,7 @@ int mlx5_init_fs(struct mlx5_core_dev *dev)
 			goto err;
 	}
 
-	if (MLX5_CAP_GEN(dev, eswitch_flow_table)) {
+	if (MLX5_ESWITCH_MANAGER(dev)) {
 		if (MLX5_CAP_ESW_FLOWTABLE_FDB(dev, ft_support)) {
 			err = init_fdb_root_ns(steering);
 			if (err)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fw.c b/drivers/net/ethernet/mellanox/mlx5/core/fw.c
index afd9f4fa22f4..41ad24f0de2c 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/fw.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/fw.c
@@ -32,6 +32,7 @@
 
 #include <linux/mlx5/driver.h>
 #include <linux/mlx5/cmd.h>
+#include <linux/mlx5/eswitch.h>
 #include <linux/module.h>
 #include "mlx5_core.h"
 #include "../../mlxfw/mlxfw.h"
@@ -159,13 +160,13 @@ int mlx5_query_hca_caps(struct mlx5_core_dev *dev)
 	}
 
 	if (MLX5_CAP_GEN(dev, vport_group_manager) &&
-	    MLX5_CAP_GEN(dev, eswitch_flow_table)) {
+	    MLX5_ESWITCH_MANAGER(dev)) {
 		err = mlx5_core_get_caps(dev, MLX5_CAP_ESWITCH_FLOW_TABLE);
 		if (err)
 			return err;
 	}
 
-	if (MLX5_CAP_GEN(dev, eswitch_flow_table)) {
+	if (MLX5_ESWITCH_MANAGER(dev)) {
 		err = mlx5_core_get_caps(dev, MLX5_CAP_ESWITCH);
 		if (err)
 			return err;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lib/clock.c b/drivers/net/ethernet/mellanox/mlx5/core/lib/clock.c
index 1e062e6b2587..3f767cde4c1d 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/lib/clock.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/lib/clock.c
@@ -488,6 +488,7 @@ void mlx5_pps_event(struct mlx5_core_dev *mdev,
 void mlx5_init_clock(struct mlx5_core_dev *mdev)
 {
 	struct mlx5_clock *clock = &mdev->clock;
+	u64 overflow_cycles;
 	u64 ns;
 	u64 frac = 0;
 	u32 dev_freq;
@@ -511,10 +512,17 @@ void mlx5_init_clock(struct mlx5_core_dev *mdev)
 
 	/* Calculate period in seconds to call the overflow watchdog - to make
 	 * sure counter is checked at least once every wrap around.
+	 * The period is calculated as the minimum between max HW cycles count
+	 * (The clock source mask) and max amount of cycles that can be
+	 * multiplied by clock multiplier where the result doesn't exceed
+	 * 64bits.
 	 */
-	ns = cyclecounter_cyc2ns(&clock->cycles, clock->cycles.mask,
+	overflow_cycles = div64_u64(~0ULL >> 1, clock->cycles.mult);
+	overflow_cycles = min(overflow_cycles, clock->cycles.mask >> 1);
+
+	ns = cyclecounter_cyc2ns(&clock->cycles, overflow_cycles,
 				 frac, &frac);
-	do_div(ns, NSEC_PER_SEC / 2 / HZ);
+	do_div(ns, NSEC_PER_SEC / HZ);
 	clock->overflow_period = ns;
 
 	mdev->clock_info_page = alloc_page(GFP_KERNEL);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lib/mpfs.c b/drivers/net/ethernet/mellanox/mlx5/core/lib/mpfs.c
index 7cb67122e8b5..98359559c77e 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/lib/mpfs.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/lib/mpfs.c
@@ -33,6 +33,7 @@
 #include <linux/etherdevice.h>
 #include <linux/mlx5/driver.h>
 #include <linux/mlx5/mlx5_ifc.h>
+#include <linux/mlx5/eswitch.h>
 #include "mlx5_core.h"
 #include "lib/mpfs.h"
 
@@ -98,7 +99,7 @@ int mlx5_mpfs_init(struct mlx5_core_dev *dev)
 	int l2table_size = 1 << MLX5_CAP_GEN(dev, log_max_l2_table);
 	struct mlx5_mpfs *mpfs;
 
-	if (!MLX5_VPORT_MANAGER(dev))
+	if (!MLX5_ESWITCH_MANAGER(dev))
 		return 0;
 
 	mpfs = kzalloc(sizeof(*mpfs), GFP_KERNEL);
@@ -122,7 +123,7 @@ void mlx5_mpfs_cleanup(struct mlx5_core_dev *dev)
 {
 	struct mlx5_mpfs *mpfs = dev->priv.mpfs;
 
-	if (!MLX5_VPORT_MANAGER(dev))
+	if (!MLX5_ESWITCH_MANAGER(dev))
 		return;
 
 	WARN_ON(!hlist_empty(mpfs->hash));
@@ -137,7 +138,7 @@ int mlx5_mpfs_add_mac(struct mlx5_core_dev *dev, u8 *mac)
 	u32 index;
 	int err;
 
-	if (!MLX5_VPORT_MANAGER(dev))
+	if (!MLX5_ESWITCH_MANAGER(dev))
 		return 0;
 
 	mutex_lock(&mpfs->lock);
@@ -179,7 +180,7 @@ int mlx5_mpfs_del_mac(struct mlx5_core_dev *dev, u8 *mac)
 	int err = 0;
 	u32 index;
 
-	if (!MLX5_VPORT_MANAGER(dev))
+	if (!MLX5_ESWITCH_MANAGER(dev))
 		return 0;
 
 	mutex_lock(&mpfs->lock);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/port.c b/drivers/net/ethernet/mellanox/mlx5/core/port.c
index fa9d0760dd36..31a9cbd85689 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/port.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/port.c
@@ -701,7 +701,7 @@ EXPORT_SYMBOL_GPL(mlx5_query_port_prio_tc);
 static int mlx5_set_port_qetcr_reg(struct mlx5_core_dev *mdev, u32 *in,
 				   int inlen)
 {
-	u32 out[MLX5_ST_SZ_DW(qtct_reg)];
+	u32 out[MLX5_ST_SZ_DW(qetc_reg)];
 
 	if (!MLX5_CAP_GEN(mdev, ets))
 		return -EOPNOTSUPP;
@@ -713,7 +713,7 @@ static int mlx5_set_port_qetcr_reg(struct mlx5_core_dev *mdev, u32 *in,
 static int mlx5_query_port_qetcr_reg(struct mlx5_core_dev *mdev, u32 *out,
 				     int outlen)
 {
-	u32 in[MLX5_ST_SZ_DW(qtct_reg)];
+	u32 in[MLX5_ST_SZ_DW(qetc_reg)];
 
 	if (!MLX5_CAP_GEN(mdev, ets))
 		return -EOPNOTSUPP;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/sriov.c b/drivers/net/ethernet/mellanox/mlx5/core/sriov.c
index 2a8b529ce6dd..a0674962f02c 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/sriov.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/sriov.c
@@ -88,6 +88,9 @@ static int mlx5_device_enable_sriov(struct mlx5_core_dev *dev, int num_vfs)
 		return -EBUSY;
 	}
 
+	if (!MLX5_ESWITCH_MANAGER(dev))
+		goto enable_vfs_hca;
+
 	err = mlx5_eswitch_enable_sriov(dev->priv.eswitch, num_vfs, SRIOV_LEGACY);
 	if (err) {
 		mlx5_core_warn(dev,
@@ -95,6 +98,7 @@ static int mlx5_device_enable_sriov(struct mlx5_core_dev *dev, int num_vfs)
 		return err;
 	}
 
+enable_vfs_hca:
 	for (vf = 0; vf < num_vfs; vf++) {
 		err = mlx5_core_enable_hca(dev, vf + 1);
 		if (err) {
@@ -140,7 +144,8 @@ static void mlx5_device_disable_sriov(struct mlx5_core_dev *dev)
 	}
 
 out:
-	mlx5_eswitch_disable_sriov(dev->priv.eswitch);
+	if (MLX5_ESWITCH_MANAGER(dev))
+		mlx5_eswitch_disable_sriov(dev->priv.eswitch);
 
 	if (mlx5_wait_for_vf_pages(dev))
 		mlx5_core_warn(dev, "timeout reclaiming VFs pages\n");
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/vport.c b/drivers/net/ethernet/mellanox/mlx5/core/vport.c
index 719cecb182c6..7eecd5b07bb1 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/vport.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/vport.c
@@ -549,8 +549,6 @@ int mlx5_modify_nic_vport_node_guid(struct mlx5_core_dev *mdev,
 		return -EINVAL;
 	if (!MLX5_CAP_GEN(mdev, vport_group_manager))
 		return -EACCES;
-	if (!MLX5_CAP_ESW(mdev, nic_vport_node_guid_modify))
-		return -EOPNOTSUPP;
 
 	in = kvzalloc(inlen, GFP_KERNEL);
 	if (!in)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/wq.c b/drivers/net/ethernet/mellanox/mlx5/core/wq.c
index b97bb72b4db4..86478a6b99c5 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/wq.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/wq.c
@@ -113,35 +113,45 @@ err_db_free:
 	return err;
 }
 
-static void mlx5e_qp_set_frag_buf(struct mlx5_frag_buf *buf,
-				  struct mlx5_wq_qp *qp)
+static void mlx5_qp_set_frag_buf(struct mlx5_frag_buf *buf,
+				 struct mlx5_wq_qp *qp)
 {
+	struct mlx5_frag_buf_ctrl *sq_fbc;
 	struct mlx5_frag_buf *rqb, *sqb;
 
-	rqb = &qp->rq.fbc.frag_buf;
+	rqb  = &qp->rq.fbc.frag_buf;
 	*rqb = *buf;
 	rqb->size   = mlx5_wq_cyc_get_byte_size(&qp->rq);
-	rqb->npages = 1 << get_order(rqb->size);
+	rqb->npages = DIV_ROUND_UP(rqb->size, PAGE_SIZE);
 
-	sqb = &qp->sq.fbc.frag_buf;
-	*sqb = *buf;
-	sqb->size   = mlx5_wq_cyc_get_byte_size(&qp->rq);
-	sqb->npages = 1 << get_order(sqb->size);
+	sq_fbc = &qp->sq.fbc;
+	sqb    = &sq_fbc->frag_buf;
+	*sqb   = *buf;
+	sqb->size   = mlx5_wq_cyc_get_byte_size(&qp->sq);
+	sqb->npages = DIV_ROUND_UP(sqb->size, PAGE_SIZE);
 	sqb->frags += rqb->npages; /* first part is for the rq */
+	if (sq_fbc->strides_offset)
+		sqb->frags--;
 }
 
 int mlx5_wq_qp_create(struct mlx5_core_dev *mdev, struct mlx5_wq_param *param,
 		      void *qpc, struct mlx5_wq_qp *wq,
 		      struct mlx5_wq_ctrl *wq_ctrl)
 {
+	u32 sq_strides_offset;
 	int err;
 
 	mlx5_fill_fbc(MLX5_GET(qpc, qpc, log_rq_stride) + 4,
 		      MLX5_GET(qpc, qpc, log_rq_size),
 		      &wq->rq.fbc);
-	mlx5_fill_fbc(ilog2(MLX5_SEND_WQE_BB),
-		      MLX5_GET(qpc, qpc, log_sq_size),
-		      &wq->sq.fbc);
+
+	sq_strides_offset =
+		((wq->rq.fbc.frag_sz_m1 + 1) % PAGE_SIZE) / MLX5_SEND_WQE_BB;
+
+	mlx5_fill_fbc_offset(ilog2(MLX5_SEND_WQE_BB),
+			     MLX5_GET(qpc, qpc, log_sq_size),
+			     sq_strides_offset,
+			     &wq->sq.fbc);
 
 	err = mlx5_db_alloc_node(mdev, &wq_ctrl->db, param->db_numa_node);
 	if (err) {
@@ -156,7 +166,7 @@ int mlx5_wq_qp_create(struct mlx5_core_dev *mdev, struct mlx5_wq_param *param,
 		goto err_db_free;
 	}
 
-	mlx5e_qp_set_frag_buf(&wq_ctrl->buf, wq);
+	mlx5_qp_set_frag_buf(&wq_ctrl->buf, wq);
 
 	wq->rq.db  = &wq_ctrl->db.db[MLX5_RCV_DBR];
 	wq->sq.db  = &wq_ctrl->db.db[MLX5_SND_DBR];
diff --git a/drivers/net/ethernet/mellanox/mlxsw/Kconfig b/drivers/net/ethernet/mellanox/mlxsw/Kconfig
index f4d9c9975ac3..82827a8d3d67 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/Kconfig
+++ b/drivers/net/ethernet/mellanox/mlxsw/Kconfig
@@ -30,7 +30,7 @@ config MLXSW_CORE_THERMAL
 
 config MLXSW_PCI
 	tristate "PCI bus implementation for Mellanox Technologies Switch ASICs"
-	depends on PCI && HAS_DMA && HAS_IOMEM && MLXSW_CORE
+	depends on PCI && HAS_IOMEM && MLXSW_CORE
 	default m
 	---help---
 	  This is PCI bus implementation for Mellanox Technologies Switch ASICs.
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
index 6aaaf3d9ba31..77b2adb29341 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
@@ -4756,6 +4756,12 @@ static void mlxsw_sp_rt6_destroy(struct mlxsw_sp_rt6 *mlxsw_sp_rt6)
 	kfree(mlxsw_sp_rt6);
 }
 
+static bool mlxsw_sp_fib6_rt_can_mp(const struct fib6_info *rt)
+{
+	/* RTF_CACHE routes are ignored */
+	return (rt->fib6_flags & (RTF_GATEWAY | RTF_ADDRCONF)) == RTF_GATEWAY;
+}
+
 static struct fib6_info *
 mlxsw_sp_fib6_entry_rt(const struct mlxsw_sp_fib6_entry *fib6_entry)
 {
@@ -4765,11 +4771,11 @@ mlxsw_sp_fib6_entry_rt(const struct mlxsw_sp_fib6_entry *fib6_entry)
 
 static struct mlxsw_sp_fib6_entry *
 mlxsw_sp_fib6_node_mp_entry_find(const struct mlxsw_sp_fib_node *fib_node,
-				 const struct fib6_info *nrt, bool append)
+				 const struct fib6_info *nrt, bool replace)
 {
 	struct mlxsw_sp_fib6_entry *fib6_entry;
 
-	if (!append)
+	if (!mlxsw_sp_fib6_rt_can_mp(nrt) || replace)
 		return NULL;
 
 	list_for_each_entry(fib6_entry, &fib_node->entry_list, common.list) {
@@ -4784,7 +4790,8 @@ mlxsw_sp_fib6_node_mp_entry_find(const struct mlxsw_sp_fib_node *fib_node,
 			break;
 		if (rt->fib6_metric < nrt->fib6_metric)
 			continue;
-		if (rt->fib6_metric == nrt->fib6_metric)
+		if (rt->fib6_metric == nrt->fib6_metric &&
+		    mlxsw_sp_fib6_rt_can_mp(rt))
 			return fib6_entry;
 		if (rt->fib6_metric > nrt->fib6_metric)
 			break;
@@ -5163,7 +5170,7 @@ static struct mlxsw_sp_fib6_entry *
 mlxsw_sp_fib6_node_entry_find(const struct mlxsw_sp_fib_node *fib_node,
 			      const struct fib6_info *nrt, bool replace)
 {
-	struct mlxsw_sp_fib6_entry *fib6_entry;
+	struct mlxsw_sp_fib6_entry *fib6_entry, *fallback = NULL;
 
 	list_for_each_entry(fib6_entry, &fib_node->entry_list, common.list) {
 		struct fib6_info *rt = mlxsw_sp_fib6_entry_rt(fib6_entry);
@@ -5172,13 +5179,18 @@ mlxsw_sp_fib6_node_entry_find(const struct mlxsw_sp_fib_node *fib_node,
 			continue;
 		if (rt->fib6_table->tb6_id != nrt->fib6_table->tb6_id)
 			break;
-		if (replace && rt->fib6_metric == nrt->fib6_metric)
-			return fib6_entry;
+		if (replace && rt->fib6_metric == nrt->fib6_metric) {
+			if (mlxsw_sp_fib6_rt_can_mp(rt) ==
+			    mlxsw_sp_fib6_rt_can_mp(nrt))
+				return fib6_entry;
+			if (mlxsw_sp_fib6_rt_can_mp(nrt))
+				fallback = fallback ?: fib6_entry;
+		}
 		if (rt->fib6_metric > nrt->fib6_metric)
-			return fib6_entry;
+			return fallback ?: fib6_entry;
 	}
 
-	return NULL;
+	return fallback;
 }
 
 static int
@@ -5304,8 +5316,7 @@ static void mlxsw_sp_fib6_entry_replace(struct mlxsw_sp *mlxsw_sp,
 }
 
 static int mlxsw_sp_router_fib6_add(struct mlxsw_sp *mlxsw_sp,
-				    struct fib6_info *rt, bool replace,
-				    bool append)
+				    struct fib6_info *rt, bool replace)
 {
 	struct mlxsw_sp_fib6_entry *fib6_entry;
 	struct mlxsw_sp_fib_node *fib_node;
@@ -5331,7 +5342,7 @@ static int mlxsw_sp_router_fib6_add(struct mlxsw_sp *mlxsw_sp,
 	/* Before creating a new entry, try to append route to an existing
 	 * multipath entry.
 	 */
-	fib6_entry = mlxsw_sp_fib6_node_mp_entry_find(fib_node, rt, append);
+	fib6_entry = mlxsw_sp_fib6_node_mp_entry_find(fib_node, rt, replace);
 	if (fib6_entry) {
 		err = mlxsw_sp_fib6_entry_nexthop_add(mlxsw_sp, fib6_entry, rt);
 		if (err)
@@ -5339,14 +5350,6 @@ static int mlxsw_sp_router_fib6_add(struct mlxsw_sp *mlxsw_sp,
 		return 0;
 	}
 
-	/* We received an append event, yet did not find any route to
-	 * append to.
-	 */
-	if (WARN_ON(append)) {
-		err = -EINVAL;
-		goto err_fib6_entry_append;
-	}
-
 	fib6_entry = mlxsw_sp_fib6_entry_create(mlxsw_sp, fib_node, rt);
 	if (IS_ERR(fib6_entry)) {
 		err = PTR_ERR(fib6_entry);
@@ -5364,7 +5367,6 @@ static int mlxsw_sp_router_fib6_add(struct mlxsw_sp *mlxsw_sp,
 err_fib6_node_entry_link:
 	mlxsw_sp_fib6_entry_destroy(mlxsw_sp, fib6_entry);
 err_fib6_entry_create:
-err_fib6_entry_append:
 err_fib6_entry_nexthop_add:
 	mlxsw_sp_fib_node_put(mlxsw_sp, fib_node);
 	return err;
@@ -5715,7 +5717,7 @@ static void mlxsw_sp_router_fib6_event_work(struct work_struct *work)
 	struct mlxsw_sp_fib_event_work *fib_work =
 		container_of(work, struct mlxsw_sp_fib_event_work, work);
 	struct mlxsw_sp *mlxsw_sp = fib_work->mlxsw_sp;
-	bool replace, append;
+	bool replace;
 	int err;
 
 	rtnl_lock();
@@ -5726,10 +5728,8 @@ static void mlxsw_sp_router_fib6_event_work(struct work_struct *work)
 	case FIB_EVENT_ENTRY_APPEND: /* fall through */
 	case FIB_EVENT_ENTRY_ADD:
 		replace = fib_work->event == FIB_EVENT_ENTRY_REPLACE;
-		append = fib_work->event == FIB_EVENT_ENTRY_APPEND;
 		err = mlxsw_sp_router_fib6_add(mlxsw_sp,
-					       fib_work->fen6_info.rt, replace,
-					       append);
+					       fib_work->fen6_info.rt, replace);
 		if (err)
 			mlxsw_sp_router_fib_abort(mlxsw_sp);
 		mlxsw_sp_rt6_release(fib_work->fen6_info.rt);
diff --git a/drivers/net/ethernet/mscc/ocelot.c b/drivers/net/ethernet/mscc/ocelot.c
index fb2c8f8071e6..776a8a9be8e3 100644
--- a/drivers/net/ethernet/mscc/ocelot.c
+++ b/drivers/net/ethernet/mscc/ocelot.c
@@ -344,10 +344,9 @@ static int ocelot_port_stop(struct net_device *dev)
 static int ocelot_gen_ifh(u32 *ifh, struct frame_info *info)
 {
 	ifh[0] = IFH_INJ_BYPASS;
-	ifh[1] = (0xff00 & info->port) >> 8;
+	ifh[1] = (0xf00 & info->port) >> 8;
 	ifh[2] = (0xff & info->port) << 24;
-	ifh[3] = IFH_INJ_POP_CNT_DISABLE | (info->cpuq << 20) |
-		 (info->tag_type << 16) | info->vid;
+	ifh[3] = (info->tag_type << 16) | info->vid;
 
 	return 0;
 }
@@ -370,11 +369,13 @@ static int ocelot_port_xmit(struct sk_buff *skb, struct net_device *dev)
 			 QS_INJ_CTRL_SOF, QS_INJ_CTRL, grp);
 
 	info.port = BIT(port->chip_port);
-	info.cpuq = 0xff;
+	info.tag_type = IFH_TAG_TYPE_C;
+	info.vid = skb_vlan_tag_get(skb);
 	ocelot_gen_ifh(ifh, &info);
 
 	for (i = 0; i < IFH_LEN; i++)
-		ocelot_write_rix(ocelot, ifh[i], QS_INJ_WR, grp);
+		ocelot_write_rix(ocelot, (__force u32)cpu_to_be32(ifh[i]),
+				 QS_INJ_WR, grp);
 
 	count = (skb->len + 3) / 4;
 	last = skb->len % 4;
diff --git a/drivers/net/ethernet/netronome/nfp/bpf/main.c b/drivers/net/ethernet/netronome/nfp/bpf/main.c
index fcdfb8e7fdea..40216d56dddc 100644
--- a/drivers/net/ethernet/netronome/nfp/bpf/main.c
+++ b/drivers/net/ethernet/netronome/nfp/bpf/main.c
@@ -81,10 +81,10 @@ nfp_bpf_xdp_offload(struct nfp_app *app, struct nfp_net *nn,
 
 	ret = nfp_net_bpf_offload(nn, prog, running, extack);
 	/* Stop offload if replace not possible */
-	if (ret && prog)
-		nfp_bpf_xdp_offload(app, nn, NULL, extack);
+	if (ret)
+		return ret;
 
-	nn->dp.bpf_offload_xdp = prog && !ret;
+	nn->dp.bpf_offload_xdp = !!prog;
 	return ret;
 }
 
@@ -202,6 +202,9 @@ static int nfp_bpf_setup_tc_block(struct net_device *netdev,
 	if (f->binder_type != TCF_BLOCK_BINDER_TYPE_CLSACT_INGRESS)
 		return -EOPNOTSUPP;
 
+	if (tcf_block_shared(f->block))
+		return -EOPNOTSUPP;
+
 	switch (f->command) {
 	case TC_BLOCK_BIND:
 		return tcf_block_cb_register(f->block,
diff --git a/drivers/net/ethernet/netronome/nfp/flower/match.c b/drivers/net/ethernet/netronome/nfp/flower/match.c
index 91935405f586..84f7a5dbea9d 100644
--- a/drivers/net/ethernet/netronome/nfp/flower/match.c
+++ b/drivers/net/ethernet/netronome/nfp/flower/match.c
@@ -123,6 +123,20 @@ nfp_flower_compile_mac(struct nfp_flower_mac_mpls *frame,
 			 NFP_FLOWER_MASK_MPLS_Q;
 
 		frame->mpls_lse = cpu_to_be32(t_mpls);
+	} else if (dissector_uses_key(flow->dissector,
+				      FLOW_DISSECTOR_KEY_BASIC)) {
+		/* Check for mpls ether type and set NFP_FLOWER_MASK_MPLS_Q
+		 * bit, which indicates an mpls ether type but without any
+		 * mpls fields.
+		 */
+		struct flow_dissector_key_basic *key_basic;
+
+		key_basic = skb_flow_dissector_target(flow->dissector,
+						      FLOW_DISSECTOR_KEY_BASIC,
+						      flow->key);
+		if (key_basic->n_proto == cpu_to_be16(ETH_P_MPLS_UC) ||
+		    key_basic->n_proto == cpu_to_be16(ETH_P_MPLS_MC))
+			frame->mpls_lse = cpu_to_be32(NFP_FLOWER_MASK_MPLS_Q);
 	}
 }
 
diff --git a/drivers/net/ethernet/netronome/nfp/flower/offload.c b/drivers/net/ethernet/netronome/nfp/flower/offload.c
index c42e64f32333..525057bee0ed 100644
--- a/drivers/net/ethernet/netronome/nfp/flower/offload.c
+++ b/drivers/net/ethernet/netronome/nfp/flower/offload.c
@@ -264,6 +264,14 @@ nfp_flower_calculate_key_layers(struct nfp_app *app,
 		case cpu_to_be16(ETH_P_ARP):
 			return -EOPNOTSUPP;
 
+		case cpu_to_be16(ETH_P_MPLS_UC):
+		case cpu_to_be16(ETH_P_MPLS_MC):
+			if (!(key_layer & NFP_FLOWER_LAYER_MAC)) {
+				key_layer |= NFP_FLOWER_LAYER_MAC;
+				key_size += sizeof(struct nfp_flower_mac_mpls);
+			}
+			break;
+
 		/* Will be included in layer 2. */
 		case cpu_to_be16(ETH_P_8021Q):
 			break;
@@ -623,6 +631,9 @@ static int nfp_flower_setup_tc_block(struct net_device *netdev,
 	if (f->binder_type != TCF_BLOCK_BINDER_TYPE_CLSACT_INGRESS)
 		return -EOPNOTSUPP;
 
+	if (tcf_block_shared(f->block))
+		return -EOPNOTSUPP;
+
 	switch (f->command) {
 	case TC_BLOCK_BIND:
 		return tcf_block_cb_register(f->block,
diff --git a/drivers/net/ethernet/netronome/nfp/flower/tunnel_conf.c b/drivers/net/ethernet/netronome/nfp/flower/tunnel_conf.c
index 78afe75129ab..382bb93cb090 100644
--- a/drivers/net/ethernet/netronome/nfp/flower/tunnel_conf.c
+++ b/drivers/net/ethernet/netronome/nfp/flower/tunnel_conf.c
@@ -317,7 +317,7 @@ nfp_tun_write_neigh(struct net_device *netdev, struct nfp_app *app,
 	payload.dst_ipv4 = flow->daddr;
 
 	/* If entry has expired send dst IP with all other fields 0. */
-	if (!(neigh->nud_state & NUD_VALID)) {
+	if (!(neigh->nud_state & NUD_VALID) || neigh->dead) {
 		nfp_tun_del_route_from_cache(app, payload.dst_ipv4);
 		/* Trigger ARP to verify invalid neighbour state. */
 		neigh_event_send(neigh, NULL);
diff --git a/drivers/net/ethernet/netronome/nfp/nfp_main.c b/drivers/net/ethernet/netronome/nfp/nfp_main.c
index 46b76d5a726c..152283d7e59c 100644
--- a/drivers/net/ethernet/netronome/nfp/nfp_main.c
+++ b/drivers/net/ethernet/netronome/nfp/nfp_main.c
@@ -240,7 +240,6 @@ static int nfp_pcie_sriov_read_nfd_limit(struct nfp_pf *pf)
 		return pci_sriov_set_totalvfs(pf->pdev, pf->limit_vfs);
 
 	pf->limit_vfs = ~0;
-	pci_sriov_set_totalvfs(pf->pdev, 0); /* 0 is unset */
 	/* Allow any setting for backwards compatibility if symbol not found */
 	if (err == -ENOENT)
 		return 0;
@@ -668,7 +667,7 @@ static int nfp_pci_probe(struct pci_dev *pdev,
 
 	err = nfp_net_pci_probe(pf);
 	if (err)
-		goto err_sriov_unlimit;
+		goto err_fw_unload;
 
 	err = nfp_hwmon_register(pf);
 	if (err) {
@@ -680,8 +679,6 @@ static int nfp_pci_probe(struct pci_dev *pdev,
 
 err_net_remove:
 	nfp_net_pci_remove(pf);
-err_sriov_unlimit:
-	pci_sriov_set_totalvfs(pf->pdev, 0);
 err_fw_unload:
 	kfree(pf->rtbl);
 	nfp_mip_close(pf->mip);
@@ -715,7 +712,6 @@ static void nfp_pci_remove(struct pci_dev *pdev)
 	nfp_hwmon_unregister(pf);
 
 	nfp_pcie_sriov_disable(pdev);
-	pci_sriov_set_totalvfs(pf->pdev, 0);
 
 	nfp_net_pci_remove(pf);
 
diff --git a/drivers/net/ethernet/netronome/nfp/nfpcore/nfp_nffw.c b/drivers/net/ethernet/netronome/nfp/nfpcore/nfp_nffw.c
index cd34097b79f1..37a6d7822a38 100644
--- a/drivers/net/ethernet/netronome/nfp/nfpcore/nfp_nffw.c
+++ b/drivers/net/ethernet/netronome/nfp/nfpcore/nfp_nffw.c
@@ -232,7 +232,7 @@ struct nfp_nffw_info *nfp_nffw_info_open(struct nfp_cpp *cpp)
 	err = nfp_cpp_read(cpp, nfp_resource_cpp_id(state->res),
 			   nfp_resource_address(state->res),
 			   fwinf, sizeof(*fwinf));
-	if (err < sizeof(*fwinf))
+	if (err < (int)sizeof(*fwinf))
 		goto err_release;
 
 	if (!nffw_res_flg_init_get(fwinf))
diff --git a/drivers/net/ethernet/qlogic/qed/qed.h b/drivers/net/ethernet/qlogic/qed/qed.h
index 00db3401b898..1dfaccd151f0 100644
--- a/drivers/net/ethernet/qlogic/qed/qed.h
+++ b/drivers/net/ethernet/qlogic/qed/qed.h
@@ -502,6 +502,7 @@ enum BAR_ID {
 struct qed_nvm_image_info {
 	u32 num_images;
 	struct bist_nvm_image_att *image_att;
+	bool valid;
 };
 
 #define DRV_MODULE_VERSION		      \
diff --git a/drivers/net/ethernet/qlogic/qed/qed_dcbx.c b/drivers/net/ethernet/qlogic/qed/qed_dcbx.c
index 8f31406ec894..e0680ce91328 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_dcbx.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_dcbx.c
@@ -255,9 +255,8 @@ qed_dcbx_get_app_protocol_type(struct qed_hwfn *p_hwfn,
 		*type = DCBX_PROTOCOL_ROCE_V2;
 	} else {
 		*type = DCBX_MAX_PROTOCOL_TYPE;
-		DP_ERR(p_hwfn,
-		       "No action required, App TLV id = 0x%x app_prio_bitmap = 0x%x\n",
-		       id, app_prio_bitmap);
+		DP_ERR(p_hwfn, "No action required, App TLV entry = 0x%x\n",
+		       app_prio_bitmap);
 		return false;
 	}
 
@@ -710,9 +709,9 @@ qed_dcbx_get_local_lldp_params(struct qed_hwfn *p_hwfn,
 	p_local = &p_hwfn->p_dcbx_info->lldp_local[LLDP_NEAREST_BRIDGE];
 
 	memcpy(params->lldp_local.local_chassis_id, p_local->local_chassis_id,
-	       ARRAY_SIZE(p_local->local_chassis_id));
+	       sizeof(p_local->local_chassis_id));
 	memcpy(params->lldp_local.local_port_id, p_local->local_port_id,
-	       ARRAY_SIZE(p_local->local_port_id));
+	       sizeof(p_local->local_port_id));
 }
 
 static void
@@ -724,9 +723,9 @@ qed_dcbx_get_remote_lldp_params(struct qed_hwfn *p_hwfn,
 	p_remote = &p_hwfn->p_dcbx_info->lldp_remote[LLDP_NEAREST_BRIDGE];
 
 	memcpy(params->lldp_remote.peer_chassis_id, p_remote->peer_chassis_id,
-	       ARRAY_SIZE(p_remote->peer_chassis_id));
+	       sizeof(p_remote->peer_chassis_id));
 	memcpy(params->lldp_remote.peer_port_id, p_remote->peer_port_id,
-	       ARRAY_SIZE(p_remote->peer_port_id));
+	       sizeof(p_remote->peer_port_id));
 }
 
 static int
@@ -1479,8 +1478,8 @@ static u8 qed_dcbnl_getcap(struct qed_dev *cdev, int capid, u8 *cap)
 		*cap = 0x80;
 		break;
 	case DCB_CAP_ATTR_DCBX:
-		*cap = (DCB_CAP_DCBX_LLD_MANAGED | DCB_CAP_DCBX_VER_CEE |
-			DCB_CAP_DCBX_VER_IEEE | DCB_CAP_DCBX_STATIC);
+		*cap = (DCB_CAP_DCBX_VER_CEE | DCB_CAP_DCBX_VER_IEEE |
+			DCB_CAP_DCBX_STATIC);
 		break;
 	default:
 		*cap = false;
@@ -1548,8 +1547,6 @@ static u8 qed_dcbnl_getdcbx(struct qed_dev *cdev)
 	if (!dcbx_info)
 		return 0;
 
-	if (dcbx_info->operational.enabled)
-		mode |= DCB_CAP_DCBX_LLD_MANAGED;
 	if (dcbx_info->operational.ieee)
 		mode |= DCB_CAP_DCBX_VER_IEEE;
 	if (dcbx_info->operational.cee)
diff --git a/drivers/net/ethernet/qlogic/qed/qed_debug.c b/drivers/net/ethernet/qlogic/qed/qed_debug.c
index a14e48489029..4340c4c90bcb 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_debug.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_debug.c
@@ -6723,7 +6723,7 @@ static enum dbg_status qed_parse_mcp_trace_buf(u8 *trace_buf,
 		format_idx = header & MFW_TRACE_EVENTID_MASK;
 
 		/* Skip message if its index doesn't exist in the meta data */
-		if (format_idx > s_mcp_trace_meta.formats_num) {
+		if (format_idx >= s_mcp_trace_meta.formats_num) {
 			u8 format_size =
 				(u8)((header & MFW_TRACE_PRM_SIZE_MASK) >>
 				     MFW_TRACE_PRM_SIZE_SHIFT);
diff --git a/drivers/net/ethernet/qlogic/qed/qed_dev.c b/drivers/net/ethernet/qlogic/qed/qed_dev.c
index 329781cda77f..e5249b4741d0 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_dev.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_dev.c
@@ -1804,7 +1804,7 @@ int qed_hw_init(struct qed_dev *cdev, struct qed_hw_init_params *p_params)
 			DP_INFO(p_hwfn, "Failed to update driver state\n");
 
 		rc = qed_mcp_ov_update_eswitch(p_hwfn, p_hwfn->p_main_ptt,
-					       QED_OV_ESWITCH_VEB);
+					       QED_OV_ESWITCH_NONE);
 		if (rc)
 			DP_INFO(p_hwfn, "Failed to update eswitch mode\n");
 	}
diff --git a/drivers/net/ethernet/qlogic/qed/qed_l2.c b/drivers/net/ethernet/qlogic/qed/qed_l2.c
index 99973e10b179..5ede6408649d 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_l2.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_l2.c
@@ -665,7 +665,7 @@ qed_sp_update_mcast_bin(struct qed_hwfn *p_hwfn,
 
 	p_ramrod->common.update_approx_mcast_flg = 1;
 	for (i = 0; i < ETH_MULTICAST_MAC_BINS_IN_REGS; i++) {
-		u32 *p_bins = (u32 *)p_params->bins;
+		u32 *p_bins = p_params->bins;
 
 		p_ramrod->approx_mcast.bins[i] = cpu_to_le32(p_bins[i]);
 	}
@@ -1476,8 +1476,8 @@ qed_sp_eth_filter_mcast(struct qed_hwfn *p_hwfn,
 			enum spq_mode comp_mode,
 			struct qed_spq_comp_cb *p_comp_data)
 {
-	unsigned long bins[ETH_MULTICAST_MAC_BINS_IN_REGS];
 	struct vport_update_ramrod_data *p_ramrod = NULL;
+	u32 bins[ETH_MULTICAST_MAC_BINS_IN_REGS];
 	struct qed_spq_entry *p_ent = NULL;
 	struct qed_sp_init_data init_data;
 	u8 abs_vport_id = 0;
@@ -1513,26 +1513,25 @@ qed_sp_eth_filter_mcast(struct qed_hwfn *p_hwfn,
 	/* explicitly clear out the entire vector */
 	memset(&p_ramrod->approx_mcast.bins, 0,
 	       sizeof(p_ramrod->approx_mcast.bins));
-	memset(bins, 0, sizeof(unsigned long) *
-	       ETH_MULTICAST_MAC_BINS_IN_REGS);
+	memset(bins, 0, sizeof(bins));
 	/* filter ADD op is explicit set op and it removes
 	 *  any existing filters for the vport
 	 */
 	if (p_filter_cmd->opcode == QED_FILTER_ADD) {
 		for (i = 0; i < p_filter_cmd->num_mc_addrs; i++) {
-			u32 bit;
+			u32 bit, nbits;
 
 			bit = qed_mcast_bin_from_mac(p_filter_cmd->mac[i]);
-			__set_bit(bit, bins);
+			nbits = sizeof(u32) * BITS_PER_BYTE;
+			bins[bit / nbits] |= 1 << (bit % nbits);
 		}
 
 		/* Convert to correct endianity */
 		for (i = 0; i < ETH_MULTICAST_MAC_BINS_IN_REGS; i++) {
 			struct vport_update_ramrod_mcast *p_ramrod_bins;
-			u32 *p_bins = (u32 *)bins;
 
 			p_ramrod_bins = &p_ramrod->approx_mcast;
-			p_ramrod_bins->bins[i] = cpu_to_le32(p_bins[i]);
+			p_ramrod_bins->bins[i] = cpu_to_le32(bins[i]);
 		}
 	}
 
diff --git a/drivers/net/ethernet/qlogic/qed/qed_l2.h b/drivers/net/ethernet/qlogic/qed/qed_l2.h
index 806a8da257e9..8d80f1095d17 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_l2.h
+++ b/drivers/net/ethernet/qlogic/qed/qed_l2.h
@@ -215,7 +215,7 @@ struct qed_sp_vport_update_params {
 	u8				anti_spoofing_en;
 	u8				update_accept_any_vlan_flg;
 	u8				accept_any_vlan;
-	unsigned long			bins[8];
+	u32				bins[8];
 	struct qed_rss_params		*rss_params;
 	struct qed_filter_accept_flags	accept_flags;
 	struct qed_sge_tpa_params	*sge_tpa_params;
diff --git a/drivers/net/ethernet/qlogic/qed/qed_ll2.c b/drivers/net/ethernet/qlogic/qed/qed_ll2.c
index c97ebd681c47..012973d75ad0 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_ll2.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_ll2.c
@@ -201,8 +201,9 @@ void qed_ll2b_complete_rx_packet(void *cxt, struct qed_ll2_comp_rx_data *data)
 
 	skb = build_skb(buffer->data, 0);
 	if (!skb) {
-		rc = -ENOMEM;
-		goto out_post;
+		DP_INFO(cdev, "Failed to build SKB\n");
+		kfree(buffer->data);
+		goto out_post1;
 	}
 
 	data->u.placement_offset += NET_SKB_PAD;
@@ -224,8 +225,14 @@ void qed_ll2b_complete_rx_packet(void *cxt, struct qed_ll2_comp_rx_data *data)
 		cdev->ll2->cbs->rx_cb(cdev->ll2->cb_cookie, skb,
 				      data->opaque_data_0,
 				      data->opaque_data_1);
+	} else {
+		DP_VERBOSE(p_hwfn, (NETIF_MSG_RX_STATUS | NETIF_MSG_PKTDATA |
+				    QED_MSG_LL2 | QED_MSG_STORAGE),
+			   "Dropping the packet\n");
+		kfree(buffer->data);
 	}
 
+out_post1:
 	/* Update Buffer information and update FW producer */
 	buffer->data = new_data;
 	buffer->phys_addr = new_phys_addr;
diff --git a/drivers/net/ethernet/qlogic/qed/qed_main.c b/drivers/net/ethernet/qlogic/qed/qed_main.c
index b04d57ca5176..758a9a5127fa 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_main.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_main.c
@@ -371,7 +371,7 @@ static struct qed_dev *qed_probe(struct pci_dev *pdev,
 		goto err2;
 	}
 
-	DP_INFO(cdev, "qed_probe completed successffuly\n");
+	DP_INFO(cdev, "qed_probe completed successfully\n");
 
 	return cdev;
 
@@ -567,8 +567,16 @@ static irqreturn_t qed_single_int(int irq, void *dev_instance)
 		/* Fastpath interrupts */
 		for (j = 0; j < 64; j++) {
 			if ((0x2ULL << j) & status) {
-				hwfn->simd_proto_handler[j].func(
-					hwfn->simd_proto_handler[j].token);
+				struct qed_simd_fp_handler *p_handler =
+					&hwfn->simd_proto_handler[j];
+
+				if (p_handler->func)
+					p_handler->func(p_handler->token);
+				else
+					DP_NOTICE(hwfn,
+						  "Not calling fastpath handler as it is NULL [handler #%d, status 0x%llx]\n",
+						  j, status);
+
 				status &= ~(0x2ULL << j);
 				rc = IRQ_HANDLED;
 			}
@@ -781,6 +789,14 @@ static int qed_slowpath_setup_int(struct qed_dev *cdev,
 	/* We want a minimum of one slowpath and one fastpath vector per hwfn */
 	cdev->int_params.in.min_msix_cnt = cdev->num_hwfns * 2;
 
+	if (is_kdump_kernel()) {
+		DP_INFO(cdev,
+			"Kdump kernel: Limit the max number of requested MSI-X vectors to %hd\n",
+			cdev->int_params.in.min_msix_cnt);
+		cdev->int_params.in.num_vectors =
+			cdev->int_params.in.min_msix_cnt;
+	}
+
 	rc = qed_set_int_mode(cdev, false);
 	if (rc)  {
 		DP_ERR(cdev, "qed_slowpath_setup_int ERR\n");
diff --git a/drivers/net/ethernet/qlogic/qed/qed_mcp.c b/drivers/net/ethernet/qlogic/qed/qed_mcp.c
index 4e0b443c9519..cdd645024a32 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_mcp.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_mcp.c
@@ -592,6 +592,9 @@ int qed_mcp_nvm_wr_cmd(struct qed_hwfn *p_hwfn,
 	*o_mcp_resp = mb_params.mcp_resp;
 	*o_mcp_param = mb_params.mcp_param;
 
+	/* nvm_info needs to be updated */
+	p_hwfn->nvm_info.valid = false;
+
 	return 0;
 }
 
@@ -1208,6 +1211,7 @@ static void qed_mcp_handle_link_change(struct qed_hwfn *p_hwfn,
 		break;
 	default:
 		p_link->speed = 0;
+		p_link->link_up = 0;
 	}
 
 	if (p_link->link_up && p_link->speed)
@@ -1305,9 +1309,15 @@ int qed_mcp_set_link(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, bool b_up)
 	phy_cfg.pause |= (params->pause.forced_tx) ? ETH_PAUSE_TX : 0;
 	phy_cfg.adv_speed = params->speed.advertised_speeds;
 	phy_cfg.loopback_mode = params->loopback_mode;
-	if (p_hwfn->mcp_info->capabilities & FW_MB_PARAM_FEATURE_SUPPORT_EEE) {
-		if (params->eee.enable)
-			phy_cfg.eee_cfg |= EEE_CFG_EEE_ENABLED;
+
+	/* There are MFWs that share this capability regardless of whether
+	 * this is feasible or not. And given that at the very least adv_caps
+	 * would be set internally by qed, we want to make sure LFA would
+	 * still work.
+	 */
+	if ((p_hwfn->mcp_info->capabilities &
+	     FW_MB_PARAM_FEATURE_SUPPORT_EEE) && params->eee.enable) {
+		phy_cfg.eee_cfg |= EEE_CFG_EEE_ENABLED;
 		if (params->eee.tx_lpi_enable)
 			phy_cfg.eee_cfg |= EEE_CFG_TX_LPI;
 		if (params->eee.adv_caps & QED_EEE_1G_ADV)
@@ -2555,11 +2565,14 @@ int qed_mcp_bist_nvm_get_image_att(struct qed_hwfn *p_hwfn,
 
 int qed_mcp_nvm_info_populate(struct qed_hwfn *p_hwfn)
 {
-	struct qed_nvm_image_info *nvm_info = &p_hwfn->nvm_info;
+	struct qed_nvm_image_info nvm_info;
 	struct qed_ptt *p_ptt;
 	int rc;
 	u32 i;
 
+	if (p_hwfn->nvm_info.valid)
+		return 0;
+
 	p_ptt = qed_ptt_acquire(p_hwfn);
 	if (!p_ptt) {
 		DP_ERR(p_hwfn, "failed to acquire ptt\n");
@@ -2567,29 +2580,29 @@ int qed_mcp_nvm_info_populate(struct qed_hwfn *p_hwfn)
 	}
 
 	/* Acquire from MFW the amount of available images */
-	nvm_info->num_images = 0;
+	nvm_info.num_images = 0;
 	rc = qed_mcp_bist_nvm_get_num_images(p_hwfn,
-					     p_ptt, &nvm_info->num_images);
+					     p_ptt, &nvm_info.num_images);
 	if (rc == -EOPNOTSUPP) {
 		DP_INFO(p_hwfn, "DRV_MSG_CODE_BIST_TEST is not supported\n");
 		goto out;
-	} else if (rc || !nvm_info->num_images) {
+	} else if (rc || !nvm_info.num_images) {
 		DP_ERR(p_hwfn, "Failed getting number of images\n");
 		goto err0;
 	}
 
-	nvm_info->image_att = kmalloc_array(nvm_info->num_images,
-					    sizeof(struct bist_nvm_image_att),
-					    GFP_KERNEL);
-	if (!nvm_info->image_att) {
+	nvm_info.image_att = kmalloc_array(nvm_info.num_images,
+					   sizeof(struct bist_nvm_image_att),
+					   GFP_KERNEL);
+	if (!nvm_info.image_att) {
 		rc = -ENOMEM;
 		goto err0;
 	}
 
 	/* Iterate over images and get their attributes */
-	for (i = 0; i < nvm_info->num_images; i++) {
+	for (i = 0; i < nvm_info.num_images; i++) {
 		rc = qed_mcp_bist_nvm_get_image_att(p_hwfn, p_ptt,
-						    &nvm_info->image_att[i], i);
+						    &nvm_info.image_att[i], i);
 		if (rc) {
 			DP_ERR(p_hwfn,
 			       "Failed getting image index %d attributes\n", i);
@@ -2597,14 +2610,22 @@ int qed_mcp_nvm_info_populate(struct qed_hwfn *p_hwfn)
 		}
 
 		DP_VERBOSE(p_hwfn, QED_MSG_SP, "image index %d, size %x\n", i,
-			   nvm_info->image_att[i].len);
+			   nvm_info.image_att[i].len);
 	}
 out:
+	/* Update hwfn's nvm_info */
+	if (nvm_info.num_images) {
+		p_hwfn->nvm_info.num_images = nvm_info.num_images;
+		kfree(p_hwfn->nvm_info.image_att);
+		p_hwfn->nvm_info.image_att = nvm_info.image_att;
+		p_hwfn->nvm_info.valid = true;
+	}
+
 	qed_ptt_release(p_hwfn, p_ptt);
 	return 0;
 
 err1:
-	kfree(nvm_info->image_att);
+	kfree(nvm_info.image_att);
 err0:
 	qed_ptt_release(p_hwfn, p_ptt);
 	return rc;
@@ -2641,6 +2662,7 @@ qed_mcp_get_nvm_image_att(struct qed_hwfn *p_hwfn,
 		return -EINVAL;
 	}
 
+	qed_mcp_nvm_info_populate(p_hwfn);
 	for (i = 0; i < p_hwfn->nvm_info.num_images; i++)
 		if (type == p_hwfn->nvm_info.image_att[i].image_type)
 			break;
diff --git a/drivers/net/ethernet/qlogic/qed/qed_sriov.c b/drivers/net/ethernet/qlogic/qed/qed_sriov.c
index f01bf52bc381..26e918d7f2f9 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_sriov.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_sriov.c
@@ -2831,7 +2831,7 @@ qed_iov_vp_update_mcast_bin_param(struct qed_hwfn *p_hwfn,
 
 	p_data->update_approx_mcast_flg = 1;
 	memcpy(p_data->bins, p_mcast_tlv->bins,
-	       sizeof(unsigned long) * ETH_MULTICAST_MAC_BINS_IN_REGS);
+	       sizeof(u32) * ETH_MULTICAST_MAC_BINS_IN_REGS);
 	*tlvs_mask |= 1 << QED_IOV_VP_UPDATE_MCAST;
 }
 
@@ -4513,6 +4513,8 @@ static void qed_sriov_enable_qid_config(struct qed_hwfn *hwfn,
 static int qed_sriov_enable(struct qed_dev *cdev, int num)
 {
 	struct qed_iov_vf_init_params params;
+	struct qed_hwfn *hwfn;
+	struct qed_ptt *ptt;
 	int i, j, rc;
 
 	if (num >= RESC_NUM(&cdev->hwfns[0], QED_VPORT)) {
@@ -4525,8 +4527,8 @@ static int qed_sriov_enable(struct qed_dev *cdev, int num)
 
 	/* Initialize HW for VF access */
 	for_each_hwfn(cdev, j) {
-		struct qed_hwfn *hwfn = &cdev->hwfns[j];
-		struct qed_ptt *ptt = qed_ptt_acquire(hwfn);
+		hwfn = &cdev->hwfns[j];
+		ptt = qed_ptt_acquire(hwfn);
 
 		/* Make sure not to use more than 16 queues per VF */
 		params.num_queues = min_t(int,
@@ -4562,6 +4564,19 @@ static int qed_sriov_enable(struct qed_dev *cdev, int num)
 		goto err;
 	}
 
+	hwfn = QED_LEADING_HWFN(cdev);
+	ptt = qed_ptt_acquire(hwfn);
+	if (!ptt) {
+		DP_ERR(hwfn, "Failed to acquire ptt\n");
+		rc = -EBUSY;
+		goto err;
+	}
+
+	rc = qed_mcp_ov_update_eswitch(hwfn, ptt, QED_OV_ESWITCH_VEB);
+	if (rc)
+		DP_INFO(cdev, "Failed to update eswitch mode\n");
+	qed_ptt_release(hwfn, ptt);
+
 	return num;
 
 err:
diff --git a/drivers/net/ethernet/qlogic/qed/qed_vf.c b/drivers/net/ethernet/qlogic/qed/qed_vf.c
index 2d7fcd6a0777..be6ddde1a104 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_vf.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_vf.c
@@ -1126,7 +1126,7 @@ int qed_vf_pf_vport_update(struct qed_hwfn *p_hwfn,
 		resp_size += sizeof(struct pfvf_def_resp_tlv);
 
 		memcpy(p_mcast_tlv->bins, p_params->bins,
-		       sizeof(unsigned long) * ETH_MULTICAST_MAC_BINS_IN_REGS);
+		       sizeof(u32) * ETH_MULTICAST_MAC_BINS_IN_REGS);
 	}
 
 	update_rx = p_params->accept_flags.update_rx_mode_config;
@@ -1272,7 +1272,7 @@ void qed_vf_pf_filter_mcast(struct qed_hwfn *p_hwfn,
 			u32 bit;
 
 			bit = qed_mcast_bin_from_mac(p_filter_cmd->mac[i]);
-			__set_bit(bit, sp_params.bins);
+			sp_params.bins[bit / 32] |= 1 << (bit % 32);
 		}
 	}
 
diff --git a/drivers/net/ethernet/qlogic/qed/qed_vf.h b/drivers/net/ethernet/qlogic/qed/qed_vf.h
index 4f05d5eb3cf5..033409db86ae 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_vf.h
+++ b/drivers/net/ethernet/qlogic/qed/qed_vf.h
@@ -392,7 +392,12 @@ struct vfpf_vport_update_mcast_bin_tlv {
 	struct channel_tlv tl;
 	u8 padding[4];
 
-	u64 bins[8];
+	/* There are only 256 approx bins, and in HSI they're divided into
+	 * 32-bit values. As old VFs used to set-bit to the values on its side,
+	 * the upper half of the array is never expected to contain any data.
+	 */
+	u64 bins[4];
+	u64 obsolete_bins[4];
 };
 
 struct vfpf_vport_update_accept_param_tlv {
diff --git a/drivers/net/ethernet/qlogic/qede/qede_ptp.c b/drivers/net/ethernet/qlogic/qede/qede_ptp.c
index 02adb513f475..013ff567283c 100644
--- a/drivers/net/ethernet/qlogic/qede/qede_ptp.c
+++ b/drivers/net/ethernet/qlogic/qede/qede_ptp.c
@@ -337,8 +337,14 @@ int qede_ptp_get_ts_info(struct qede_dev *edev, struct ethtool_ts_info *info)
 {
 	struct qede_ptp *ptp = edev->ptp;
 
-	if (!ptp)
-		return -EIO;
+	if (!ptp) {
+		info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE |
+					SOF_TIMESTAMPING_RX_SOFTWARE |
+					SOF_TIMESTAMPING_SOFTWARE;
+		info->phc_index = -1;
+
+		return 0;
+	}
 
 	info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE |
 				SOF_TIMESTAMPING_RX_SOFTWARE |
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sysfs.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sysfs.c
index 891f03a7a33d..8d7b9bb910f2 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sysfs.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sysfs.c
@@ -1128,6 +1128,8 @@ static ssize_t qlcnic_83xx_sysfs_flash_write_handler(struct file *filp,
 	struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
 
 	ret = kstrtoul(buf, 16, &data);
+	if (ret)
+		return ret;
 
 	switch (data) {
 	case QLC_83XX_FLASH_SECTOR_ERASE_CMD:
diff --git a/drivers/net/ethernet/qualcomm/qca_spi.c b/drivers/net/ethernet/qualcomm/qca_spi.c
index 5803cd6db406..206f0266463e 100644
--- a/drivers/net/ethernet/qualcomm/qca_spi.c
+++ b/drivers/net/ethernet/qualcomm/qca_spi.c
@@ -658,7 +658,7 @@ qcaspi_netdev_open(struct net_device *dev)
 		return ret;
 	}
 
-	netif_start_queue(qca->net_dev);
+	/* SPI thread takes care of TX queue */
 
 	return 0;
 }
@@ -760,6 +760,9 @@ qcaspi_netdev_tx_timeout(struct net_device *dev)
 	qca->net_dev->stats.tx_errors++;
 	/* Trigger tx queue flush and QCA7000 reset */
 	qca->sync = QCASPI_SYNC_UNKNOWN;
+
+	if (qca->spi_thread)
+		wake_up_process(qca->spi_thread);
 }
 
 static int
@@ -878,22 +881,22 @@ qca_spi_probe(struct spi_device *spi)
 
 	if ((qcaspi_clkspeed < QCASPI_CLK_SPEED_MIN) ||
 	    (qcaspi_clkspeed > QCASPI_CLK_SPEED_MAX)) {
-		dev_info(&spi->dev, "Invalid clkspeed: %d\n",
-			 qcaspi_clkspeed);
+		dev_err(&spi->dev, "Invalid clkspeed: %d\n",
+			qcaspi_clkspeed);
 		return -EINVAL;
 	}
 
 	if ((qcaspi_burst_len < QCASPI_BURST_LEN_MIN) ||
 	    (qcaspi_burst_len > QCASPI_BURST_LEN_MAX)) {
-		dev_info(&spi->dev, "Invalid burst len: %d\n",
-			 qcaspi_burst_len);
+		dev_err(&spi->dev, "Invalid burst len: %d\n",
+			qcaspi_burst_len);
 		return -EINVAL;
 	}
 
 	if ((qcaspi_pluggable < QCASPI_PLUGGABLE_MIN) ||
 	    (qcaspi_pluggable > QCASPI_PLUGGABLE_MAX)) {
-		dev_info(&spi->dev, "Invalid pluggable: %d\n",
-			 qcaspi_pluggable);
+		dev_err(&spi->dev, "Invalid pluggable: %d\n",
+			qcaspi_pluggable);
 		return -EINVAL;
 	}
 
@@ -955,8 +958,8 @@ qca_spi_probe(struct spi_device *spi)
 	}
 
 	if (register_netdev(qcaspi_devs)) {
-		dev_info(&spi->dev, "Unable to register net device %s\n",
-			 qcaspi_devs->name);
+		dev_err(&spi->dev, "Unable to register net device %s\n",
+			qcaspi_devs->name);
 		free_netdev(qcaspi_devs);
 		return -EFAULT;
 	}
diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c
index 75dfac0248f4..eaedc11ed686 100644
--- a/drivers/net/ethernet/realtek/r8169.c
+++ b/drivers/net/ethernet/realtek/r8169.c
@@ -7148,7 +7148,7 @@ static void rtl8169_netpoll(struct net_device *dev)
 {
 	struct rtl8169_private *tp = netdev_priv(dev);
 
-	rtl8169_interrupt(pci_irq_vector(tp->pci_dev, 0), dev);
+	rtl8169_interrupt(pci_irq_vector(tp->pci_dev, 0), tp);
 }
 #endif
 
@@ -7734,8 +7734,7 @@ static int rtl_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 		return rc;
 	}
 
-	/* override BIOS settings, use userspace tools to enable WOL */
-	__rtl8169_set_wol(tp, 0);
+	tp->saved_wolopts = __rtl8169_get_wol(tp);
 
 	if (rtl_tbi_enabled(tp)) {
 		tp->set_speed = rtl8169_set_speed_tbi;
@@ -7789,6 +7788,7 @@ static int rtl_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 		NETIF_F_HW_VLAN_CTAG_RX;
 	dev->vlan_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO |
 		NETIF_F_HIGHDMA;
+	dev->priv_flags |= IFF_LIVE_ADDR_CHANGE;
 
 	tp->cp_cmd |= RxChkSum | RxVlan;
 
diff --git a/drivers/net/ethernet/renesas/Kconfig b/drivers/net/ethernet/renesas/Kconfig
index 27be51f0a421..f3f7477043ce 100644
--- a/drivers/net/ethernet/renesas/Kconfig
+++ b/drivers/net/ethernet/renesas/Kconfig
@@ -17,7 +17,6 @@ if NET_VENDOR_RENESAS
 
 config SH_ETH
 	tristate "Renesas SuperH Ethernet support"
-	depends on HAS_DMA
 	depends on ARCH_RENESAS || SUPERH || COMPILE_TEST
 	select CRC32
 	select MII
@@ -31,7 +30,6 @@ config SH_ETH
 
 config RAVB
 	tristate "Renesas Ethernet AVB support"
-	depends on HAS_DMA
 	depends on ARCH_RENESAS || COMPILE_TEST
 	select CRC32
 	select MII
diff --git a/drivers/net/ethernet/renesas/ravb_main.c b/drivers/net/ethernet/renesas/ravb_main.c
index 68f122140966..0d811c02ff34 100644
--- a/drivers/net/ethernet/renesas/ravb_main.c
+++ b/drivers/net/ethernet/renesas/ravb_main.c
@@ -980,6 +980,13 @@ static void ravb_adjust_link(struct net_device *ndev)
 	struct ravb_private *priv = netdev_priv(ndev);
 	struct phy_device *phydev = ndev->phydev;
 	bool new_state = false;
+	unsigned long flags;
+
+	spin_lock_irqsave(&priv->lock, flags);
+
+	/* Disable TX and RX right over here, if E-MAC change is ignored */
+	if (priv->no_avb_link)
+		ravb_rcv_snd_disable(ndev);
 
 	if (phydev->link) {
 		if (phydev->duplex != priv->duplex) {
@@ -997,18 +1004,21 @@ static void ravb_adjust_link(struct net_device *ndev)
 			ravb_modify(ndev, ECMR, ECMR_TXF, 0);
 			new_state = true;
 			priv->link = phydev->link;
-			if (priv->no_avb_link)
-				ravb_rcv_snd_enable(ndev);
 		}
 	} else if (priv->link) {
 		new_state = true;
 		priv->link = 0;
 		priv->speed = 0;
 		priv->duplex = -1;
-		if (priv->no_avb_link)
-			ravb_rcv_snd_disable(ndev);
 	}
 
+	/* Enable TX and RX right over here, if E-MAC change is ignored */
+	if (priv->no_avb_link && phydev->link)
+		ravb_rcv_snd_enable(ndev);
+
+	mmiowb();
+	spin_unlock_irqrestore(&priv->lock, flags);
+
 	if (new_state && netif_msg_link(priv))
 		phy_print_status(phydev);
 }
@@ -1096,75 +1106,6 @@ static int ravb_phy_start(struct net_device *ndev)
 	return 0;
 }
 
-static int ravb_get_link_ksettings(struct net_device *ndev,
-				   struct ethtool_link_ksettings *cmd)
-{
-	struct ravb_private *priv = netdev_priv(ndev);
-	unsigned long flags;
-
-	if (!ndev->phydev)
-		return -ENODEV;
-
-	spin_lock_irqsave(&priv->lock, flags);
-	phy_ethtool_ksettings_get(ndev->phydev, cmd);
-	spin_unlock_irqrestore(&priv->lock, flags);
-
-	return 0;
-}
-
-static int ravb_set_link_ksettings(struct net_device *ndev,
-				   const struct ethtool_link_ksettings *cmd)
-{
-	struct ravb_private *priv = netdev_priv(ndev);
-	unsigned long flags;
-	int error;
-
-	if (!ndev->phydev)
-		return -ENODEV;
-
-	spin_lock_irqsave(&priv->lock, flags);
-
-	/* Disable TX and RX */
-	ravb_rcv_snd_disable(ndev);
-
-	error = phy_ethtool_ksettings_set(ndev->phydev, cmd);
-	if (error)
-		goto error_exit;
-
-	if (cmd->base.duplex == DUPLEX_FULL)
-		priv->duplex = 1;
-	else
-		priv->duplex = 0;
-
-	ravb_set_duplex(ndev);
-
-error_exit:
-	mdelay(1);
-
-	/* Enable TX and RX */
-	ravb_rcv_snd_enable(ndev);
-
-	mmiowb();
-	spin_unlock_irqrestore(&priv->lock, flags);
-
-	return error;
-}
-
-static int ravb_nway_reset(struct net_device *ndev)
-{
-	struct ravb_private *priv = netdev_priv(ndev);
-	int error = -ENODEV;
-	unsigned long flags;
-
-	if (ndev->phydev) {
-		spin_lock_irqsave(&priv->lock, flags);
-		error = phy_start_aneg(ndev->phydev);
-		spin_unlock_irqrestore(&priv->lock, flags);
-	}
-
-	return error;
-}
-
 static u32 ravb_get_msglevel(struct net_device *ndev)
 {
 	struct ravb_private *priv = netdev_priv(ndev);
@@ -1377,7 +1318,7 @@ static int ravb_set_wol(struct net_device *ndev, struct ethtool_wolinfo *wol)
 }
 
 static const struct ethtool_ops ravb_ethtool_ops = {
-	.nway_reset		= ravb_nway_reset,
+	.nway_reset		= phy_ethtool_nway_reset,
 	.get_msglevel		= ravb_get_msglevel,
 	.set_msglevel		= ravb_set_msglevel,
 	.get_link		= ethtool_op_get_link,
@@ -1387,8 +1328,8 @@ static const struct ethtool_ops ravb_ethtool_ops = {
 	.get_ringparam		= ravb_get_ringparam,
 	.set_ringparam		= ravb_set_ringparam,
 	.get_ts_info		= ravb_get_ts_info,
-	.get_link_ksettings	= ravb_get_link_ksettings,
-	.set_link_ksettings	= ravb_set_link_ksettings,
+	.get_link_ksettings	= phy_ethtool_get_link_ksettings,
+	.set_link_ksettings	= phy_ethtool_set_link_ksettings,
 	.get_wol		= ravb_get_wol,
 	.set_wol		= ravb_set_wol,
 };
diff --git a/drivers/net/ethernet/renesas/sh_eth.c b/drivers/net/ethernet/renesas/sh_eth.c
index e9007b613f17..5614fd231bbe 100644
--- a/drivers/net/ethernet/renesas/sh_eth.c
+++ b/drivers/net/ethernet/renesas/sh_eth.c
@@ -1927,8 +1927,15 @@ static void sh_eth_adjust_link(struct net_device *ndev)
 {
 	struct sh_eth_private *mdp = netdev_priv(ndev);
 	struct phy_device *phydev = ndev->phydev;
+	unsigned long flags;
 	int new_state = 0;
 
+	spin_lock_irqsave(&mdp->lock, flags);
+
+	/* Disable TX and RX right over here, if E-MAC change is ignored */
+	if (mdp->cd->no_psr || mdp->no_ether_link)
+		sh_eth_rcv_snd_disable(ndev);
+
 	if (phydev->link) {
 		if (phydev->duplex != mdp->duplex) {
 			new_state = 1;
@@ -1947,18 +1954,21 @@ static void sh_eth_adjust_link(struct net_device *ndev)
 			sh_eth_modify(ndev, ECMR, ECMR_TXF, 0);
 			new_state = 1;
 			mdp->link = phydev->link;
-			if (mdp->cd->no_psr || mdp->no_ether_link)
-				sh_eth_rcv_snd_enable(ndev);
 		}
 	} else if (mdp->link) {
 		new_state = 1;
 		mdp->link = 0;
 		mdp->speed = 0;
 		mdp->duplex = -1;
-		if (mdp->cd->no_psr || mdp->no_ether_link)
-			sh_eth_rcv_snd_disable(ndev);
 	}
 
+	/* Enable TX and RX right over here, if E-MAC change is ignored */
+	if ((mdp->cd->no_psr || mdp->no_ether_link) && phydev->link)
+		sh_eth_rcv_snd_enable(ndev);
+
+	mmiowb();
+	spin_unlock_irqrestore(&mdp->lock, flags);
+
 	if (new_state && netif_msg_link(mdp))
 		phy_print_status(phydev);
 }
@@ -2030,60 +2040,6 @@ static int sh_eth_phy_start(struct net_device *ndev)
 	return 0;
 }
 
-static int sh_eth_get_link_ksettings(struct net_device *ndev,
-				     struct ethtool_link_ksettings *cmd)
-{
-	struct sh_eth_private *mdp = netdev_priv(ndev);
-	unsigned long flags;
-
-	if (!ndev->phydev)
-		return -ENODEV;
-
-	spin_lock_irqsave(&mdp->lock, flags);
-	phy_ethtool_ksettings_get(ndev->phydev, cmd);
-	spin_unlock_irqrestore(&mdp->lock, flags);
-
-	return 0;
-}
-
-static int sh_eth_set_link_ksettings(struct net_device *ndev,
-				     const struct ethtool_link_ksettings *cmd)
-{
-	struct sh_eth_private *mdp = netdev_priv(ndev);
-	unsigned long flags;
-	int ret;
-
-	if (!ndev->phydev)
-		return -ENODEV;
-
-	spin_lock_irqsave(&mdp->lock, flags);
-
-	/* disable tx and rx */
-	sh_eth_rcv_snd_disable(ndev);
-
-	ret = phy_ethtool_ksettings_set(ndev->phydev, cmd);
-	if (ret)
-		goto error_exit;
-
-	if (cmd->base.duplex == DUPLEX_FULL)
-		mdp->duplex = 1;
-	else
-		mdp->duplex = 0;
-
-	if (mdp->cd->set_duplex)
-		mdp->cd->set_duplex(ndev);
-
-error_exit:
-	mdelay(1);
-
-	/* enable tx and rx */
-	sh_eth_rcv_snd_enable(ndev);
-
-	spin_unlock_irqrestore(&mdp->lock, flags);
-
-	return ret;
-}
-
 /* If it is ever necessary to increase SH_ETH_REG_DUMP_MAX_REGS, the
  * version must be bumped as well.  Just adding registers up to that
  * limit is fine, as long as the existing register indices don't
@@ -2263,22 +2219,6 @@ static void sh_eth_get_regs(struct net_device *ndev, struct ethtool_regs *regs,
 	pm_runtime_put_sync(&mdp->pdev->dev);
 }
 
-static int sh_eth_nway_reset(struct net_device *ndev)
-{
-	struct sh_eth_private *mdp = netdev_priv(ndev);
-	unsigned long flags;
-	int ret;
-
-	if (!ndev->phydev)
-		return -ENODEV;
-
-	spin_lock_irqsave(&mdp->lock, flags);
-	ret = phy_start_aneg(ndev->phydev);
-	spin_unlock_irqrestore(&mdp->lock, flags);
-
-	return ret;
-}
-
 static u32 sh_eth_get_msglevel(struct net_device *ndev)
 {
 	struct sh_eth_private *mdp = netdev_priv(ndev);
@@ -2429,7 +2369,7 @@ static int sh_eth_set_wol(struct net_device *ndev, struct ethtool_wolinfo *wol)
 static const struct ethtool_ops sh_eth_ethtool_ops = {
 	.get_regs_len	= sh_eth_get_regs_len,
 	.get_regs	= sh_eth_get_regs,
-	.nway_reset	= sh_eth_nway_reset,
+	.nway_reset	= phy_ethtool_nway_reset,
 	.get_msglevel	= sh_eth_get_msglevel,
 	.set_msglevel	= sh_eth_set_msglevel,
 	.get_link	= ethtool_op_get_link,
@@ -2438,8 +2378,8 @@ static const struct ethtool_ops sh_eth_ethtool_ops = {
 	.get_sset_count     = sh_eth_get_sset_count,
 	.get_ringparam	= sh_eth_get_ringparam,
 	.set_ringparam	= sh_eth_set_ringparam,
-	.get_link_ksettings = sh_eth_get_link_ksettings,
-	.set_link_ksettings = sh_eth_set_link_ksettings,
+	.get_link_ksettings = phy_ethtool_get_link_ksettings,
+	.set_link_ksettings = phy_ethtool_set_link_ksettings,
 	.get_wol	= sh_eth_get_wol,
 	.set_wol	= sh_eth_set_wol,
 };
diff --git a/drivers/net/ethernet/sfc/ef10.c b/drivers/net/ethernet/sfc/ef10.c
index 23f0785c0573..7eeac3d6cfe8 100644
--- a/drivers/net/ethernet/sfc/ef10.c
+++ b/drivers/net/ethernet/sfc/ef10.c
@@ -4288,9 +4288,9 @@ static int efx_ef10_filter_pri(struct efx_ef10_filter_table *table,
 	return -EPROTONOSUPPORT;
 }
 
-static s32 efx_ef10_filter_insert(struct efx_nic *efx,
-				  struct efx_filter_spec *spec,
-				  bool replace_equal)
+static s32 efx_ef10_filter_insert_locked(struct efx_nic *efx,
+					 struct efx_filter_spec *spec,
+					 bool replace_equal)
 {
 	DECLARE_BITMAP(mc_rem_map, EFX_EF10_FILTER_SEARCH_LIMIT);
 	struct efx_ef10_nic_data *nic_data = efx->nic_data;
@@ -4307,7 +4307,7 @@ static s32 efx_ef10_filter_insert(struct efx_nic *efx,
 	bool is_mc_recip;
 	s32 rc;
 
-	down_read(&efx->filter_sem);
+	WARN_ON(!rwsem_is_locked(&efx->filter_sem));
 	table = efx->filter_state;
 	down_write(&table->lock);
 
@@ -4498,10 +4498,22 @@ out_unlock:
 	if (rss_locked)
 		mutex_unlock(&efx->rss_lock);
 	up_write(&table->lock);
-	up_read(&efx->filter_sem);
 	return rc;
 }
 
+static s32 efx_ef10_filter_insert(struct efx_nic *efx,
+				  struct efx_filter_spec *spec,
+				  bool replace_equal)
+{
+	s32 ret;
+
+	down_read(&efx->filter_sem);
+	ret = efx_ef10_filter_insert_locked(efx, spec, replace_equal);
+	up_read(&efx->filter_sem);
+
+	return ret;
+}
+
 static void efx_ef10_filter_update_rx_scatter(struct efx_nic *efx)
 {
 	/* no need to do anything here on EF10 */
@@ -5285,7 +5297,7 @@ static int efx_ef10_filter_insert_addr_list(struct efx_nic *efx,
 		EFX_WARN_ON_PARANOID(ids[i] != EFX_EF10_FILTER_ID_INVALID);
 		efx_filter_init_rx(&spec, EFX_FILTER_PRI_AUTO, filter_flags, 0);
 		efx_filter_set_eth_local(&spec, vlan->vid, addr_list[i].addr);
-		rc = efx_ef10_filter_insert(efx, &spec, true);
+		rc = efx_ef10_filter_insert_locked(efx, &spec, true);
 		if (rc < 0) {
 			if (rollback) {
 				netif_info(efx, drv, efx->net_dev,
@@ -5314,7 +5326,7 @@ static int efx_ef10_filter_insert_addr_list(struct efx_nic *efx,
 		efx_filter_init_rx(&spec, EFX_FILTER_PRI_AUTO, filter_flags, 0);
 		eth_broadcast_addr(baddr);
 		efx_filter_set_eth_local(&spec, vlan->vid, baddr);
-		rc = efx_ef10_filter_insert(efx, &spec, true);
+		rc = efx_ef10_filter_insert_locked(efx, &spec, true);
 		if (rc < 0) {
 			netif_warn(efx, drv, efx->net_dev,
 				   "Broadcast filter insert failed rc=%d\n", rc);
@@ -5370,7 +5382,7 @@ static int efx_ef10_filter_insert_def(struct efx_nic *efx,
 	if (vlan->vid != EFX_FILTER_VID_UNSPEC)
 		efx_filter_set_eth_local(&spec, vlan->vid, NULL);
 
-	rc = efx_ef10_filter_insert(efx, &spec, true);
+	rc = efx_ef10_filter_insert_locked(efx, &spec, true);
 	if (rc < 0) {
 		const char *um = multicast ? "Multicast" : "Unicast";
 		const char *encap_name = "";
@@ -5430,7 +5442,7 @@ static int efx_ef10_filter_insert_def(struct efx_nic *efx,
 					   filter_flags, 0);
 			eth_broadcast_addr(baddr);
 			efx_filter_set_eth_local(&spec, vlan->vid, baddr);
-			rc = efx_ef10_filter_insert(efx, &spec, true);
+			rc = efx_ef10_filter_insert_locked(efx, &spec, true);
 			if (rc < 0) {
 				netif_warn(efx, drv, efx->net_dev,
 					   "Broadcast filter insert failed rc=%d\n",
diff --git a/drivers/net/ethernet/sfc/efx.c b/drivers/net/ethernet/sfc/efx.c
index ad4a354ce570..ce3a177081a8 100644
--- a/drivers/net/ethernet/sfc/efx.c
+++ b/drivers/net/ethernet/sfc/efx.c
@@ -1871,12 +1871,6 @@ static void efx_remove_filters(struct efx_nic *efx)
 	up_write(&efx->filter_sem);
 }
 
-static void efx_restore_filters(struct efx_nic *efx)
-{
-	down_read(&efx->filter_sem);
-	efx->type->filter_table_restore(efx);
-	up_read(&efx->filter_sem);
-}
 
 /**************************************************************************
  *
@@ -2688,6 +2682,7 @@ void efx_reset_down(struct efx_nic *efx, enum reset_type method)
 	efx_disable_interrupts(efx);
 
 	mutex_lock(&efx->mac_lock);
+	down_write(&efx->filter_sem);
 	mutex_lock(&efx->rss_lock);
 	if (efx->port_initialized && method != RESET_TYPE_INVISIBLE &&
 	    method != RESET_TYPE_DATAPATH)
@@ -2745,9 +2740,8 @@ int efx_reset_up(struct efx_nic *efx, enum reset_type method, bool ok)
 	if (efx->type->rx_restore_rss_contexts)
 		efx->type->rx_restore_rss_contexts(efx);
 	mutex_unlock(&efx->rss_lock);
-	down_read(&efx->filter_sem);
-	efx_restore_filters(efx);
-	up_read(&efx->filter_sem);
+	efx->type->filter_table_restore(efx);
+	up_write(&efx->filter_sem);
 	if (efx->type->sriov_reset)
 		efx->type->sriov_reset(efx);
 
@@ -2764,6 +2758,7 @@ fail:
 	efx->port_initialized = false;
 
 	mutex_unlock(&efx->rss_lock);
+	up_write(&efx->filter_sem);
 	mutex_unlock(&efx->mac_lock);
 
 	return rc;
@@ -3180,6 +3175,7 @@ bool efx_rps_check_rule(struct efx_arfs_rule *rule, unsigned int filter_idx,
 	return true;
 }
 
+static
 struct hlist_head *efx_rps_hash_bucket(struct efx_nic *efx,
 				       const struct efx_filter_spec *spec)
 {
@@ -3472,7 +3468,9 @@ static int efx_pci_probe_main(struct efx_nic *efx)
 
 	efx_init_napi(efx);
 
+	down_write(&efx->filter_sem);
 	rc = efx->type->init(efx);
+	up_write(&efx->filter_sem);
 	if (rc) {
 		netif_err(efx, probe, efx->net_dev,
 			  "failed to initialise NIC\n");
@@ -3764,7 +3762,9 @@ static int efx_pm_resume(struct device *dev)
 	rc = efx->type->reset(efx, RESET_TYPE_ALL);
 	if (rc)
 		return rc;
+	down_write(&efx->filter_sem);
 	rc = efx->type->init(efx);
+	up_write(&efx->filter_sem);
 	if (rc)
 		return rc;
 	rc = efx_pm_thaw(dev);
diff --git a/drivers/net/ethernet/sfc/farch.c b/drivers/net/ethernet/sfc/farch.c
index 8edf20967c82..e045a5d6b938 100644
--- a/drivers/net/ethernet/sfc/farch.c
+++ b/drivers/net/ethernet/sfc/farch.c
@@ -2794,6 +2794,7 @@ int efx_farch_filter_table_probe(struct efx_nic *efx)
 	if (!state)
 		return -ENOMEM;
 	efx->filter_state = state;
+	init_rwsem(&state->lock);
 
 	table = &state->table[EFX_FARCH_FILTER_TABLE_RX_IP];
 	table->id = EFX_FARCH_FILTER_TABLE_RX_IP;
diff --git a/drivers/net/ethernet/stmicro/stmmac/Kconfig b/drivers/net/ethernet/stmicro/stmmac/Kconfig
index cb5b0f58c395..edf20361ea5f 100644
--- a/drivers/net/ethernet/stmicro/stmmac/Kconfig
+++ b/drivers/net/ethernet/stmicro/stmmac/Kconfig
@@ -111,7 +111,7 @@ config DWMAC_ROCKCHIP
 config DWMAC_SOCFPGA
 	tristate "SOCFPGA dwmac support"
 	default ARCH_SOCFPGA
-	depends on OF && (ARCH_SOCFPGA || COMPILE_TEST)
+	depends on OF && (ARCH_SOCFPGA || ARCH_STRATIX10 || COMPILE_TEST)
 	select MFD_SYSCON
 	help
 	  Support for ethernet controller on Altera SOCFPGA
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c
index 6e359572b9f0..5b3b06a0a3bf 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c
@@ -55,6 +55,7 @@ struct socfpga_dwmac {
 	struct	device *dev;
 	struct regmap *sys_mgr_base_addr;
 	struct reset_control *stmmac_rst;
+	struct reset_control *stmmac_ocp_rst;
 	void __iomem *splitter_base;
 	bool f2h_ptp_ref_clk;
 	struct tse_pcs pcs;
@@ -262,8 +263,8 @@ static int socfpga_dwmac_set_phy_mode(struct socfpga_dwmac *dwmac)
 		val = SYSMGR_EMACGRP_CTRL_PHYSEL_ENUM_GMII_MII;
 
 	/* Assert reset to the enet controller before changing the phy mode */
-	if (dwmac->stmmac_rst)
-		reset_control_assert(dwmac->stmmac_rst);
+	reset_control_assert(dwmac->stmmac_ocp_rst);
+	reset_control_assert(dwmac->stmmac_rst);
 
 	regmap_read(sys_mgr_base_addr, reg_offset, &ctrl);
 	ctrl &= ~(SYSMGR_EMACGRP_CTRL_PHYSEL_MASK << reg_shift);
@@ -288,8 +289,8 @@ static int socfpga_dwmac_set_phy_mode(struct socfpga_dwmac *dwmac)
 	/* Deassert reset for the phy configuration to be sampled by
 	 * the enet controller, and operation to start in requested mode
 	 */
-	if (dwmac->stmmac_rst)
-		reset_control_deassert(dwmac->stmmac_rst);
+	reset_control_deassert(dwmac->stmmac_ocp_rst);
+	reset_control_deassert(dwmac->stmmac_rst);
 	if (phymode == PHY_INTERFACE_MODE_SGMII) {
 		if (tse_pcs_init(dwmac->pcs.tse_pcs_base, &dwmac->pcs) != 0) {
 			dev_err(dwmac->dev, "Unable to initialize TSE PCS");
@@ -324,6 +325,15 @@ static int socfpga_dwmac_probe(struct platform_device *pdev)
 		goto err_remove_config_dt;
 	}
 
+	dwmac->stmmac_ocp_rst = devm_reset_control_get_optional(dev, "stmmaceth-ocp");
+	if (IS_ERR(dwmac->stmmac_ocp_rst)) {
+		ret = PTR_ERR(dwmac->stmmac_ocp_rst);
+		dev_err(dev, "error getting reset control of ocp %d\n", ret);
+		goto err_remove_config_dt;
+	}
+
+	reset_control_deassert(dwmac->stmmac_ocp_rst);
+
 	ret = socfpga_dwmac_parse_data(dwmac, dev);
 	if (ret) {
 		dev_err(dev, "Unable to parse OF data\n");
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c
index 2e6e2a96b4f2..f9a61f90cfbc 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c
@@ -37,7 +37,7 @@
  *		is done in the "stmmac files"
  */
 
-/* struct emac_variant - Descrive dwmac-sun8i hardware variant
+/* struct emac_variant - Describe dwmac-sun8i hardware variant
  * @default_syscon_value:	The default value of the EMAC register in syscon
  *				This value is used for disabling properly EMAC
  *				and used as a good starting value in case of the
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac4_dma.c b/drivers/net/ethernet/stmicro/stmmac/dwmac4_dma.c
index d37f17ca62fe..65bc3556bd8f 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac4_dma.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4_dma.c
@@ -407,6 +407,16 @@ static void dwmac4_enable_tso(void __iomem *ioaddr, bool en, u32 chan)
 	}
 }
 
+static void dwmac4_set_bfsize(void __iomem *ioaddr, int bfsize, u32 chan)
+{
+	u32 value = readl(ioaddr + DMA_CHAN_RX_CONTROL(chan));
+
+	value &= ~DMA_RBSZ_MASK;
+	value |= (bfsize << DMA_RBSZ_SHIFT) & DMA_RBSZ_MASK;
+
+	writel(value, ioaddr + DMA_CHAN_RX_CONTROL(chan));
+}
+
 const struct stmmac_dma_ops dwmac4_dma_ops = {
 	.reset = dwmac4_dma_reset,
 	.init = dwmac4_dma_init,
@@ -431,6 +441,7 @@ const struct stmmac_dma_ops dwmac4_dma_ops = {
 	.set_rx_tail_ptr = dwmac4_set_rx_tail_ptr,
 	.set_tx_tail_ptr = dwmac4_set_tx_tail_ptr,
 	.enable_tso = dwmac4_enable_tso,
+	.set_bfsize = dwmac4_set_bfsize,
 };
 
 const struct stmmac_dma_ops dwmac410_dma_ops = {
@@ -457,4 +468,5 @@ const struct stmmac_dma_ops dwmac410_dma_ops = {
 	.set_rx_tail_ptr = dwmac4_set_rx_tail_ptr,
 	.set_tx_tail_ptr = dwmac4_set_tx_tail_ptr,
 	.enable_tso = dwmac4_enable_tso,
+	.set_bfsize = dwmac4_set_bfsize,
 };
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac4_dma.h b/drivers/net/ethernet/stmicro/stmmac/dwmac4_dma.h
index c63c1fe3f26b..22a4a6dbb1a4 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac4_dma.h
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4_dma.h
@@ -120,6 +120,8 @@
 
 /* DMA Rx Channel X Control register defines */
 #define DMA_CONTROL_SR			BIT(0)
+#define DMA_RBSZ_MASK			GENMASK(14, 1)
+#define DMA_RBSZ_SHIFT			1
 
 /* Interrupt status per channel */
 #define DMA_CHAN_STATUS_REB		GENMASK(21, 19)
diff --git a/drivers/net/ethernet/stmicro/stmmac/hwif.h b/drivers/net/ethernet/stmicro/stmmac/hwif.h
index e44e7b26ce82..fe8b536b13f8 100644
--- a/drivers/net/ethernet/stmicro/stmmac/hwif.h
+++ b/drivers/net/ethernet/stmicro/stmmac/hwif.h
@@ -183,6 +183,7 @@ struct stmmac_dma_ops {
 	void (*set_rx_tail_ptr)(void __iomem *ioaddr, u32 tail_ptr, u32 chan);
 	void (*set_tx_tail_ptr)(void __iomem *ioaddr, u32 tail_ptr, u32 chan);
 	void (*enable_tso)(void __iomem *ioaddr, bool en, u32 chan);
+	void (*set_bfsize)(void __iomem *ioaddr, int bfsize, u32 chan);
 };
 
 #define stmmac_reset(__priv, __args...) \
@@ -235,6 +236,8 @@ struct stmmac_dma_ops {
 	stmmac_do_void_callback(__priv, dma, set_tx_tail_ptr, __args)
 #define stmmac_enable_tso(__priv, __args...) \
 	stmmac_do_void_callback(__priv, dma, enable_tso, __args)
+#define stmmac_set_dma_bfsize(__priv, __args...) \
+	stmmac_do_void_callback(__priv, dma, set_bfsize, __args)
 
 struct mac_device_info;
 struct net_device;
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index e79b0d7b388a..60f59abab009 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -928,6 +928,7 @@ static void stmmac_check_pcs_mode(struct stmmac_priv *priv)
 static int stmmac_init_phy(struct net_device *dev)
 {
 	struct stmmac_priv *priv = netdev_priv(dev);
+	u32 tx_cnt = priv->plat->tx_queues_to_use;
 	struct phy_device *phydev;
 	char phy_id_fmt[MII_BUS_ID_SIZE + 3];
 	char bus_id[MII_BUS_ID_SIZE];
@@ -969,6 +970,15 @@ static int stmmac_init_phy(struct net_device *dev)
 					 SUPPORTED_1000baseT_Full);
 
 	/*
+	 * Half-duplex mode not supported with multiqueue
+	 * half-duplex can only works with single queue
+	 */
+	if (tx_cnt > 1)
+		phydev->supported &= ~(SUPPORTED_1000baseT_Half |
+				       SUPPORTED_100baseT_Half |
+				       SUPPORTED_10baseT_Half);
+
+	/*
 	 * Broken HW is sometimes missing the pull-up resistor on the
 	 * MDIO line, which results in reads to non-existent devices returning
 	 * 0 rather than 0xffff. Catch this here and treat 0 as a non-existent
@@ -1794,6 +1804,8 @@ static void stmmac_dma_operation_mode(struct stmmac_priv *priv)
 
 		stmmac_dma_rx_mode(priv, priv->ioaddr, rxmode, chan,
 				rxfifosz, qmode);
+		stmmac_set_dma_bfsize(priv, priv->ioaddr, priv->dma_buf_sz,
+				chan);
 	}
 
 	for (chan = 0; chan < tx_channels_count; chan++) {
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
index 6d141f3931eb..72da77b94ecd 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
@@ -94,7 +94,6 @@ static int dwmac1000_validate_ucast_entries(int ucast_entries)
 /**
  * stmmac_axi_setup - parse DT parameters for programming the AXI register
  * @pdev: platform device
- * @priv: driver private struct.
  * Description:
  * if required, from device-tree the AXI internal register can be tuned
  * by using platform parameters.
diff --git a/drivers/net/ethernet/sun/sungem.c b/drivers/net/ethernet/sun/sungem.c
index 7a16d40a72d1..b9221fc1674d 100644
--- a/drivers/net/ethernet/sun/sungem.c
+++ b/drivers/net/ethernet/sun/sungem.c
@@ -60,8 +60,7 @@
 #include <linux/sungem_phy.h>
 #include "sungem.h"
 
-/* Stripping FCS is causing problems, disabled for now */
-#undef STRIP_FCS
+#define STRIP_FCS
 
 #define DEFAULT_MSG	(NETIF_MSG_DRV		| \
 			 NETIF_MSG_PROBE	| \
@@ -435,7 +434,7 @@ static int gem_rxmac_reset(struct gem *gp)
 	writel(desc_dma & 0xffffffff, gp->regs + RXDMA_DBLOW);
 	writel(RX_RING_SIZE - 4, gp->regs + RXDMA_KICK);
 	val = (RXDMA_CFG_BASE | (RX_OFFSET << 10) |
-	       ((14 / 2) << 13) | RXDMA_CFG_FTHRESH_128);
+	       (ETH_HLEN << 13) | RXDMA_CFG_FTHRESH_128);
 	writel(val, gp->regs + RXDMA_CFG);
 	if (readl(gp->regs + GREG_BIFCFG) & GREG_BIFCFG_M66EN)
 		writel(((5 & RXDMA_BLANK_IPKTS) |
@@ -760,7 +759,6 @@ static int gem_rx(struct gem *gp, int work_to_do)
 	struct net_device *dev = gp->dev;
 	int entry, drops, work_done = 0;
 	u32 done;
-	__sum16 csum;
 
 	if (netif_msg_rx_status(gp))
 		printk(KERN_DEBUG "%s: rx interrupt, done: %d, rx_new: %d\n",
@@ -855,9 +853,13 @@ static int gem_rx(struct gem *gp, int work_to_do)
 			skb = copy_skb;
 		}
 
-		csum = (__force __sum16)htons((status & RXDCTRL_TCPCSUM) ^ 0xffff);
-		skb->csum = csum_unfold(csum);
-		skb->ip_summed = CHECKSUM_COMPLETE;
+		if (likely(dev->features & NETIF_F_RXCSUM)) {
+			__sum16 csum;
+
+			csum = (__force __sum16)htons((status & RXDCTRL_TCPCSUM) ^ 0xffff);
+			skb->csum = csum_unfold(csum);
+			skb->ip_summed = CHECKSUM_COMPLETE;
+		}
 		skb->protocol = eth_type_trans(skb, gp->dev);
 
 		napi_gro_receive(&gp->napi, skb);
@@ -1761,7 +1763,7 @@ static void gem_init_dma(struct gem *gp)
 	writel(0, gp->regs + TXDMA_KICK);
 
 	val = (RXDMA_CFG_BASE | (RX_OFFSET << 10) |
-	       ((14 / 2) << 13) | RXDMA_CFG_FTHRESH_128);
+	       (ETH_HLEN << 13) | RXDMA_CFG_FTHRESH_128);
 	writel(val, gp->regs + RXDMA_CFG);
 
 	writel(desc_dma >> 32, gp->regs + RXDMA_DBHI);
@@ -2985,8 +2987,8 @@ static int gem_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 	pci_set_drvdata(pdev, dev);
 
 	/* We can do scatter/gather and HW checksum */
-	dev->hw_features = NETIF_F_SG | NETIF_F_HW_CSUM;
-	dev->features |= dev->hw_features | NETIF_F_RXCSUM;
+	dev->hw_features = NETIF_F_SG | NETIF_F_HW_CSUM | NETIF_F_RXCSUM;
+	dev->features = dev->hw_features;
 	if (pci_using_dac)
 		dev->features |= NETIF_F_HIGHDMA;
 
diff --git a/drivers/net/ethernet/ti/davinci_cpdma.c b/drivers/net/ethernet/ti/davinci_cpdma.c
index cdbddf16dd29..4f1267477aa4 100644
--- a/drivers/net/ethernet/ti/davinci_cpdma.c
+++ b/drivers/net/ethernet/ti/davinci_cpdma.c
@@ -205,7 +205,7 @@ static void cpdma_desc_pool_destroy(struct cpdma_ctlr *ctlr)
  * devices (e.g. cpsw switches) use plain old memory.  Descriptor pools
  * abstract out these details
  */
-int cpdma_desc_pool_create(struct cpdma_ctlr *ctlr)
+static int cpdma_desc_pool_create(struct cpdma_ctlr *ctlr)
 {
 	struct cpdma_params *cpdma_params = &ctlr->params;
 	struct cpdma_desc_pool *pool;
diff --git a/drivers/net/ethernet/ti/davinci_emac.c b/drivers/net/ethernet/ti/davinci_emac.c
index 06d7c9e4dcda..f270beebb428 100644
--- a/drivers/net/ethernet/ti/davinci_emac.c
+++ b/drivers/net/ethernet/ti/davinci_emac.c
@@ -1385,6 +1385,15 @@ static int emac_devioctl(struct net_device *ndev, struct ifreq *ifrq, int cmd)
 		return -EOPNOTSUPP;
 }
 
+static int match_first_device(struct device *dev, void *data)
+{
+	if (dev->parent && dev->parent->of_node)
+		return of_device_is_compatible(dev->parent->of_node,
+					       "ti,davinci_mdio");
+
+	return !strncmp(dev_name(dev), "davinci_mdio", 12);
+}
+
 /**
  * emac_dev_open - EMAC device open
  * @ndev: The DaVinci EMAC network adapter
@@ -1484,8 +1493,14 @@ static int emac_dev_open(struct net_device *ndev)
 
 	/* use the first phy on the bus if pdata did not give us a phy id */
 	if (!phydev && !priv->phy_id) {
-		phy = bus_find_device_by_name(&mdio_bus_type, NULL,
-					      "davinci_mdio");
+		/* NOTE: we can't use bus_find_device_by_name() here because
+		 * the device name is not guaranteed to be 'davinci_mdio'. On
+		 * some systems it can be 'davinci_mdio.0' so we need to use
+		 * strncmp() against the first part of the string to correctly
+		 * match it.
+		 */
+		phy = bus_find_device(&mdio_bus_type, NULL, NULL,
+				      match_first_device);
 		if (phy) {
 			priv->phy_id = dev_name(phy);
 			if (!priv->phy_id || !*priv->phy_id)
diff --git a/drivers/net/ethernet/xilinx/xilinx_axienet_mdio.c b/drivers/net/ethernet/xilinx/xilinx_axienet_mdio.c
index 16c3bfbe1992..757a3b37ae8a 100644
--- a/drivers/net/ethernet/xilinx/xilinx_axienet_mdio.c
+++ b/drivers/net/ethernet/xilinx/xilinx_axienet_mdio.c
@@ -218,6 +218,7 @@ issue:
 	ret = of_mdiobus_register(bus, np1);
 	if (ret) {
 		mdiobus_free(bus);
+		lp->mii_bus = NULL;
 		return ret;
 	}
 	return 0;
diff --git a/drivers/net/geneve.c b/drivers/net/geneve.c
index 750eaa53bf0c..ada33c2d9ac2 100644
--- a/drivers/net/geneve.c
+++ b/drivers/net/geneve.c
@@ -476,7 +476,7 @@ static struct sk_buff **geneve_gro_receive(struct sock *sk,
 out_unlock:
 	rcu_read_unlock();
 out:
-	NAPI_GRO_CB(skb)->flush |= flush;
+	skb_gro_flush_final(skb, pp, flush);
 
 	return pp;
 }
diff --git a/drivers/net/hamradio/bpqether.c b/drivers/net/hamradio/bpqether.c
index f347fd9c5b28..777fa59f5e0c 100644
--- a/drivers/net/hamradio/bpqether.c
+++ b/drivers/net/hamradio/bpqether.c
@@ -89,10 +89,6 @@
 static const char banner[] __initconst = KERN_INFO \
 	"AX.25: bpqether driver version 004\n";
 
-static char bcast_addr[6]={0xFF,0xFF,0xFF,0xFF,0xFF,0xFF};
-
-static char bpq_eth_addr[6];
-
 static int bpq_rcv(struct sk_buff *, struct net_device *, struct packet_type *, struct net_device *);
 static int bpq_device_event(struct notifier_block *, unsigned long, void *);
 
@@ -501,8 +497,8 @@ static int bpq_new_device(struct net_device *edev)
 	bpq->ethdev = edev;
 	bpq->axdev = ndev;
 
-	memcpy(bpq->dest_addr, bcast_addr, sizeof(bpq_eth_addr));
-	memcpy(bpq->acpt_addr, bcast_addr, sizeof(bpq_eth_addr));
+	eth_broadcast_addr(bpq->dest_addr);
+	eth_broadcast_addr(bpq->acpt_addr);
 
 	err = register_netdevice(ndev);
 	if (err)
diff --git a/drivers/net/hyperv/hyperv_net.h b/drivers/net/hyperv/hyperv_net.h
index 1a924b867b07..4b6e308199d2 100644
--- a/drivers/net/hyperv/hyperv_net.h
+++ b/drivers/net/hyperv/hyperv_net.h
@@ -210,7 +210,7 @@ int netvsc_recv_callback(struct net_device *net,
 void netvsc_channel_cb(void *context);
 int netvsc_poll(struct napi_struct *napi, int budget);
 
-void rndis_set_subchannel(struct work_struct *w);
+int rndis_set_subchannel(struct net_device *ndev, struct netvsc_device *nvdev);
 int rndis_filter_open(struct netvsc_device *nvdev);
 int rndis_filter_close(struct netvsc_device *nvdev);
 struct netvsc_device *rndis_filter_device_add(struct hv_device *dev,
diff --git a/drivers/net/hyperv/netvsc.c b/drivers/net/hyperv/netvsc.c
index 5d5bd513847f..31c3d77b4733 100644
--- a/drivers/net/hyperv/netvsc.c
+++ b/drivers/net/hyperv/netvsc.c
@@ -65,6 +65,41 @@ void netvsc_switch_datapath(struct net_device *ndev, bool vf)
 			       VM_PKT_DATA_INBAND, 0);
 }
 
+/* Worker to setup sub channels on initial setup
+ * Initial hotplug event occurs in softirq context
+ * and can't wait for channels.
+ */
+static void netvsc_subchan_work(struct work_struct *w)
+{
+	struct netvsc_device *nvdev =
+		container_of(w, struct netvsc_device, subchan_work);
+	struct rndis_device *rdev;
+	int i, ret;
+
+	/* Avoid deadlock with device removal already under RTNL */
+	if (!rtnl_trylock()) {
+		schedule_work(w);
+		return;
+	}
+
+	rdev = nvdev->extension;
+	if (rdev) {
+		ret = rndis_set_subchannel(rdev->ndev, nvdev);
+		if (ret == 0) {
+			netif_device_attach(rdev->ndev);
+		} else {
+			/* fallback to only primary channel */
+			for (i = 1; i < nvdev->num_chn; i++)
+				netif_napi_del(&nvdev->chan_table[i].napi);
+
+			nvdev->max_chn = 1;
+			nvdev->num_chn = 1;
+		}
+	}
+
+	rtnl_unlock();
+}
+
 static struct netvsc_device *alloc_net_device(void)
 {
 	struct netvsc_device *net_device;
@@ -81,7 +116,7 @@ static struct netvsc_device *alloc_net_device(void)
 
 	init_completion(&net_device->channel_init_wait);
 	init_waitqueue_head(&net_device->subchan_open);
-	INIT_WORK(&net_device->subchan_work, rndis_set_subchannel);
+	INIT_WORK(&net_device->subchan_work, netvsc_subchan_work);
 
 	return net_device;
 }
@@ -1239,6 +1274,7 @@ int netvsc_poll(struct napi_struct *napi, int budget)
 	struct hv_device *device = netvsc_channel_to_device(channel);
 	struct net_device *ndev = hv_get_drvdata(device);
 	int work_done = 0;
+	int ret;
 
 	/* If starting a new interval */
 	if (!nvchan->desc)
@@ -1250,16 +1286,18 @@ int netvsc_poll(struct napi_struct *napi, int budget)
 		nvchan->desc = hv_pkt_iter_next(channel, nvchan->desc);
 	}
 
-	/* If send of pending receive completions suceeded
-	 *   and did not exhaust NAPI budget this time
-	 *   and not doing busy poll
+	/* Send any pending receive completions */
+	ret = send_recv_completions(ndev, net_device, nvchan);
+
+	/* If it did not exhaust NAPI budget this time
+	 *  and not doing busy poll
 	 * then re-enable host interrupts
-	 *     and reschedule if ring is not empty.
+	 *  and reschedule if ring is not empty
+	 *   or sending receive completion failed.
 	 */
-	if (send_recv_completions(ndev, net_device, nvchan) == 0 &&
-	    work_done < budget &&
+	if (work_done < budget &&
 	    napi_complete_done(napi, work_done) &&
-	    hv_end_read(&channel->inbound) &&
+	    (ret || hv_end_read(&channel->inbound)) &&
 	    napi_schedule_prep(napi)) {
 		hv_begin_read(&channel->inbound);
 		__napi_schedule(napi);
diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c
index fe2256bf1d13..dd1d6e115145 100644
--- a/drivers/net/hyperv/netvsc_drv.c
+++ b/drivers/net/hyperv/netvsc_drv.c
@@ -905,8 +905,20 @@ static int netvsc_attach(struct net_device *ndev,
 	if (IS_ERR(nvdev))
 		return PTR_ERR(nvdev);
 
-	/* Note: enable and attach happen when sub-channels setup */
+	if (nvdev->num_chn > 1) {
+		ret = rndis_set_subchannel(ndev, nvdev);
+
+		/* if unavailable, just proceed with one queue */
+		if (ret) {
+			nvdev->max_chn = 1;
+			nvdev->num_chn = 1;
+		}
+	}
+
+	/* In any case device is now ready */
+	netif_device_attach(ndev);
 
+	/* Note: enable and attach happen when sub-channels setup */
 	netif_carrier_off(ndev);
 
 	if (netif_running(ndev)) {
@@ -2089,6 +2101,9 @@ static int netvsc_probe(struct hv_device *dev,
 
 	memcpy(net->dev_addr, device_info.mac_adr, ETH_ALEN);
 
+	if (nvdev->num_chn > 1)
+		schedule_work(&nvdev->subchan_work);
+
 	/* hw_features computed in rndis_netdev_set_hwcaps() */
 	net->features = net->hw_features |
 		NETIF_F_HIGHDMA | NETIF_F_SG |
diff --git a/drivers/net/hyperv/rndis_filter.c b/drivers/net/hyperv/rndis_filter.c
index 5428bb261102..408ece27131c 100644
--- a/drivers/net/hyperv/rndis_filter.c
+++ b/drivers/net/hyperv/rndis_filter.c
@@ -1062,29 +1062,15 @@ static void netvsc_sc_open(struct vmbus_channel *new_sc)
  * This breaks overlap of processing the host message for the
  * new primary channel with the initialization of sub-channels.
  */
-void rndis_set_subchannel(struct work_struct *w)
+int rndis_set_subchannel(struct net_device *ndev, struct netvsc_device *nvdev)
 {
-	struct netvsc_device *nvdev
-		= container_of(w, struct netvsc_device, subchan_work);
 	struct nvsp_message *init_packet = &nvdev->channel_init_pkt;
-	struct net_device_context *ndev_ctx;
-	struct rndis_device *rdev;
-	struct net_device *ndev;
-	struct hv_device *hv_dev;
+	struct net_device_context *ndev_ctx = netdev_priv(ndev);
+	struct hv_device *hv_dev = ndev_ctx->device_ctx;
+	struct rndis_device *rdev = nvdev->extension;
 	int i, ret;
 
-	if (!rtnl_trylock()) {
-		schedule_work(w);
-		return;
-	}
-
-	rdev = nvdev->extension;
-	if (!rdev)
-		goto unlock;	/* device was removed */
-
-	ndev = rdev->ndev;
-	ndev_ctx = netdev_priv(ndev);
-	hv_dev = ndev_ctx->device_ctx;
+	ASSERT_RTNL();
 
 	memset(init_packet, 0, sizeof(struct nvsp_message));
 	init_packet->hdr.msg_type = NVSP_MSG5_TYPE_SUBCHANNEL;
@@ -1100,13 +1086,13 @@ void rndis_set_subchannel(struct work_struct *w)
 			       VMBUS_DATA_PACKET_FLAG_COMPLETION_REQUESTED);
 	if (ret) {
 		netdev_err(ndev, "sub channel allocate send failed: %d\n", ret);
-		goto failed;
+		return ret;
 	}
 
 	wait_for_completion(&nvdev->channel_init_wait);
 	if (init_packet->msg.v5_msg.subchn_comp.status != NVSP_STAT_SUCCESS) {
 		netdev_err(ndev, "sub channel request failed\n");
-		goto failed;
+		return -EIO;
 	}
 
 	nvdev->num_chn = 1 +
@@ -1125,21 +1111,7 @@ void rndis_set_subchannel(struct work_struct *w)
 	for (i = 0; i < VRSS_SEND_TAB_SIZE; i++)
 		ndev_ctx->tx_table[i] = i % nvdev->num_chn;
 
-	netif_device_attach(ndev);
-	rtnl_unlock();
-	return;
-
-failed:
-	/* fallback to only primary channel */
-	for (i = 1; i < nvdev->num_chn; i++)
-		netif_napi_del(&nvdev->chan_table[i].napi);
-
-	nvdev->max_chn = 1;
-	nvdev->num_chn = 1;
-
-	netif_device_attach(ndev);
-unlock:
-	rtnl_unlock();
+	return 0;
 }
 
 static int rndis_netdev_set_hwcaps(struct rndis_device *rndis_device,
@@ -1360,21 +1332,13 @@ struct netvsc_device *rndis_filter_device_add(struct hv_device *dev,
 		netif_napi_add(net, &net_device->chan_table[i].napi,
 			       netvsc_poll, NAPI_POLL_WEIGHT);
 
-	if (net_device->num_chn > 1)
-		schedule_work(&net_device->subchan_work);
+	return net_device;
 
 out:
-	/* if unavailable, just proceed with one queue */
-	if (ret) {
-		net_device->max_chn = 1;
-		net_device->num_chn = 1;
-	}
-
-	/* No sub channels, device is ready */
-	if (net_device->num_chn == 1)
-		netif_device_attach(net);
-
-	return net_device;
+	/* setting up multiple channels failed */
+	net_device->max_chn = 1;
+	net_device->num_chn = 1;
+	return 0;
 
 err_dev_remv:
 	rndis_filter_device_remove(dev, net_device);
diff --git a/drivers/net/ieee802154/adf7242.c b/drivers/net/ieee802154/adf7242.c
index 64f1b1e77bc0..23a52b9293f3 100644
--- a/drivers/net/ieee802154/adf7242.c
+++ b/drivers/net/ieee802154/adf7242.c
@@ -275,6 +275,8 @@ struct adf7242_local {
 	struct spi_message stat_msg;
 	struct spi_transfer stat_xfer;
 	struct dentry *debugfs_root;
+	struct delayed_work work;
+	struct workqueue_struct *wqueue;
 	unsigned long flags;
 	int tx_stat;
 	bool promiscuous;
@@ -575,10 +577,26 @@ static int adf7242_cmd_rx(struct adf7242_local *lp)
 	/* Wait until the ACK is sent */
 	adf7242_wait_status(lp, RC_STATUS_PHY_RDY, RC_STATUS_MASK, __LINE__);
 	adf7242_clear_irqstat(lp);
+	mod_delayed_work(lp->wqueue, &lp->work, msecs_to_jiffies(400));
 
 	return adf7242_cmd(lp, CMD_RC_RX);
 }
 
+static void adf7242_rx_cal_work(struct work_struct *work)
+{
+	struct adf7242_local *lp =
+	container_of(work, struct adf7242_local, work.work);
+
+	/* Reissuing RC_RX every 400ms - to adjust for offset
+	 * drift in receiver (datasheet page 61, OCL section)
+	 */
+
+	if (!test_bit(FLAG_XMIT, &lp->flags)) {
+		adf7242_cmd(lp, CMD_RC_PHY_RDY);
+		adf7242_cmd_rx(lp);
+	}
+}
+
 static int adf7242_set_txpower(struct ieee802154_hw *hw, int mbm)
 {
 	struct adf7242_local *lp = hw->priv;
@@ -686,7 +704,7 @@ static int adf7242_start(struct ieee802154_hw *hw)
 	enable_irq(lp->spi->irq);
 	set_bit(FLAG_START, &lp->flags);
 
-	return adf7242_cmd(lp, CMD_RC_RX);
+	return adf7242_cmd_rx(lp);
 }
 
 static void adf7242_stop(struct ieee802154_hw *hw)
@@ -694,6 +712,7 @@ static void adf7242_stop(struct ieee802154_hw *hw)
 	struct adf7242_local *lp = hw->priv;
 
 	disable_irq(lp->spi->irq);
+	cancel_delayed_work_sync(&lp->work);
 	adf7242_cmd(lp, CMD_RC_IDLE);
 	clear_bit(FLAG_START, &lp->flags);
 	adf7242_clear_irqstat(lp);
@@ -719,7 +738,10 @@ static int adf7242_channel(struct ieee802154_hw *hw, u8 page, u8 channel)
 	adf7242_write_reg(lp, REG_CH_FREQ1, freq >> 8);
 	adf7242_write_reg(lp, REG_CH_FREQ2, freq >> 16);
 
-	return adf7242_cmd(lp, CMD_RC_RX);
+	if (test_bit(FLAG_START, &lp->flags))
+		return adf7242_cmd_rx(lp);
+	else
+		return adf7242_cmd(lp, CMD_RC_PHY_RDY);
 }
 
 static int adf7242_set_hw_addr_filt(struct ieee802154_hw *hw,
@@ -814,6 +836,7 @@ static int adf7242_xmit(struct ieee802154_hw *hw, struct sk_buff *skb)
 	/* ensure existing instances of the IRQ handler have completed */
 	disable_irq(lp->spi->irq);
 	set_bit(FLAG_XMIT, &lp->flags);
+	cancel_delayed_work_sync(&lp->work);
 	reinit_completion(&lp->tx_complete);
 	adf7242_cmd(lp, CMD_RC_PHY_RDY);
 	adf7242_clear_irqstat(lp);
@@ -952,6 +975,7 @@ static irqreturn_t adf7242_isr(int irq, void *data)
 	unsigned int xmit;
 	u8 irq1;
 
+	mod_delayed_work(lp->wqueue, &lp->work, msecs_to_jiffies(400));
 	adf7242_read_reg(lp, REG_IRQ1_SRC1, &irq1);
 
 	if (!(irq1 & (IRQ_RX_PKT_RCVD | IRQ_CSMA_CA)))
@@ -1241,6 +1265,9 @@ static int adf7242_probe(struct spi_device *spi)
 	spi_message_add_tail(&lp->stat_xfer, &lp->stat_msg);
 
 	spi_set_drvdata(spi, lp);
+	INIT_DELAYED_WORK(&lp->work, adf7242_rx_cal_work);
+	lp->wqueue = alloc_ordered_workqueue(dev_name(&spi->dev),
+					     WQ_MEM_RECLAIM);
 
 	ret = adf7242_hw_init(lp);
 	if (ret)
@@ -1284,6 +1311,9 @@ static int adf7242_remove(struct spi_device *spi)
 	if (!IS_ERR_OR_NULL(lp->debugfs_root))
 		debugfs_remove_recursive(lp->debugfs_root);
 
+	cancel_delayed_work_sync(&lp->work);
+	destroy_workqueue(lp->wqueue);
+
 	ieee802154_unregister_hw(lp->hw);
 	mutex_destroy(&lp->bmux);
 	ieee802154_free_hw(lp->hw);
diff --git a/drivers/net/ieee802154/at86rf230.c b/drivers/net/ieee802154/at86rf230.c
index 77abedf0b524..3d9e91579866 100644
--- a/drivers/net/ieee802154/at86rf230.c
+++ b/drivers/net/ieee802154/at86rf230.c
@@ -940,7 +940,7 @@ at86rf230_xmit(struct ieee802154_hw *hw, struct sk_buff *skb)
 static int
 at86rf230_ed(struct ieee802154_hw *hw, u8 *level)
 {
-	BUG_ON(!level);
+	WARN_ON(!level);
 	*level = 0xbe;
 	return 0;
 }
@@ -1121,8 +1121,7 @@ at86rf230_set_hw_addr_filt(struct ieee802154_hw *hw,
 	if (changed & IEEE802154_AFILT_SADDR_CHANGED) {
 		u16 addr = le16_to_cpu(filt->short_addr);
 
-		dev_vdbg(&lp->spi->dev,
-			 "at86rf230_set_hw_addr_filt called for saddr\n");
+		dev_vdbg(&lp->spi->dev, "%s called for saddr\n", __func__);
 		__at86rf230_write(lp, RG_SHORT_ADDR_0, addr);
 		__at86rf230_write(lp, RG_SHORT_ADDR_1, addr >> 8);
 	}
@@ -1130,8 +1129,7 @@ at86rf230_set_hw_addr_filt(struct ieee802154_hw *hw,
 	if (changed & IEEE802154_AFILT_PANID_CHANGED) {
 		u16 pan = le16_to_cpu(filt->pan_id);
 
-		dev_vdbg(&lp->spi->dev,
-			 "at86rf230_set_hw_addr_filt called for pan id\n");
+		dev_vdbg(&lp->spi->dev, "%s called for pan id\n", __func__);
 		__at86rf230_write(lp, RG_PAN_ID_0, pan);
 		__at86rf230_write(lp, RG_PAN_ID_1, pan >> 8);
 	}
@@ -1140,15 +1138,13 @@ at86rf230_set_hw_addr_filt(struct ieee802154_hw *hw,
 		u8 i, addr[8];
 
 		memcpy(addr, &filt->ieee_addr, 8);
-		dev_vdbg(&lp->spi->dev,
-			 "at86rf230_set_hw_addr_filt called for IEEE addr\n");
+		dev_vdbg(&lp->spi->dev, "%s called for IEEE addr\n", __func__);
 		for (i = 0; i < 8; i++)
 			__at86rf230_write(lp, RG_IEEE_ADDR_0 + i, addr[i]);
 	}
 
 	if (changed & IEEE802154_AFILT_PANC_CHANGED) {
-		dev_vdbg(&lp->spi->dev,
-			 "at86rf230_set_hw_addr_filt called for panc change\n");
+		dev_vdbg(&lp->spi->dev, "%s called for panc change\n", __func__);
 		if (filt->pan_coord)
 			at86rf230_write_subreg(lp, SR_AACK_I_AM_COORD, 1);
 		else
@@ -1252,7 +1248,6 @@ at86rf230_set_cca_mode(struct ieee802154_hw *hw,
 	return at86rf230_write_subreg(lp, SR_CCA_MODE, val);
 }
 
-
 static int
 at86rf230_set_cca_ed_level(struct ieee802154_hw *hw, s32 mbm)
 {
diff --git a/drivers/net/ieee802154/fakelb.c b/drivers/net/ieee802154/fakelb.c
index 0d673f7682ee..176395e4b7bb 100644
--- a/drivers/net/ieee802154/fakelb.c
+++ b/drivers/net/ieee802154/fakelb.c
@@ -49,7 +49,7 @@ struct fakelb_phy {
 
 static int fakelb_hw_ed(struct ieee802154_hw *hw, u8 *level)
 {
-	BUG_ON(!level);
+	WARN_ON(!level);
 	*level = 0xbe;
 
 	return 0;
diff --git a/drivers/net/ieee802154/mcr20a.c b/drivers/net/ieee802154/mcr20a.c
index de0d7f28a181..e428277781ac 100644
--- a/drivers/net/ieee802154/mcr20a.c
+++ b/drivers/net/ieee802154/mcr20a.c
@@ -15,10 +15,11 @@
  */
 #include <linux/kernel.h>
 #include <linux/module.h>
-#include <linux/gpio.h>
+#include <linux/gpio/consumer.h>
 #include <linux/spi/spi.h>
 #include <linux/workqueue.h>
 #include <linux/interrupt.h>
+#include <linux/irq.h>
 #include <linux/skbuff.h>
 #include <linux/of_gpio.h>
 #include <linux/regmap.h>
diff --git a/drivers/net/ipvlan/ipvlan_main.c b/drivers/net/ipvlan/ipvlan_main.c
index 4377c26f714d..4a949569ec4c 100644
--- a/drivers/net/ipvlan/ipvlan_main.c
+++ b/drivers/net/ipvlan/ipvlan_main.c
@@ -75,10 +75,23 @@ static int ipvlan_set_port_mode(struct ipvl_port *port, u16 nval)
 {
 	struct ipvl_dev *ipvlan;
 	struct net_device *mdev = port->dev;
-	int err = 0;
+	unsigned int flags;
+	int err;
 
 	ASSERT_RTNL();
 	if (port->mode != nval) {
+		list_for_each_entry(ipvlan, &port->ipvlans, pnode) {
+			flags = ipvlan->dev->flags;
+			if (nval == IPVLAN_MODE_L3 || nval == IPVLAN_MODE_L3S) {
+				err = dev_change_flags(ipvlan->dev,
+						       flags | IFF_NOARP);
+			} else {
+				err = dev_change_flags(ipvlan->dev,
+						       flags & ~IFF_NOARP);
+			}
+			if (unlikely(err))
+				goto fail;
+		}
 		if (nval == IPVLAN_MODE_L3S) {
 			/* New mode is L3S */
 			err = ipvlan_register_nf_hook(read_pnet(&port->pnet));
@@ -86,21 +99,28 @@ static int ipvlan_set_port_mode(struct ipvl_port *port, u16 nval)
 				mdev->l3mdev_ops = &ipvl_l3mdev_ops;
 				mdev->priv_flags |= IFF_L3MDEV_MASTER;
 			} else
-				return err;
+				goto fail;
 		} else if (port->mode == IPVLAN_MODE_L3S) {
 			/* Old mode was L3S */
 			mdev->priv_flags &= ~IFF_L3MDEV_MASTER;
 			ipvlan_unregister_nf_hook(read_pnet(&port->pnet));
 			mdev->l3mdev_ops = NULL;
 		}
-		list_for_each_entry(ipvlan, &port->ipvlans, pnode) {
-			if (nval == IPVLAN_MODE_L3 || nval == IPVLAN_MODE_L3S)
-				ipvlan->dev->flags |= IFF_NOARP;
-			else
-				ipvlan->dev->flags &= ~IFF_NOARP;
-		}
 		port->mode = nval;
 	}
+	return 0;
+
+fail:
+	/* Undo the flags changes that have been done so far. */
+	list_for_each_entry_continue_reverse(ipvlan, &port->ipvlans, pnode) {
+		flags = ipvlan->dev->flags;
+		if (port->mode == IPVLAN_MODE_L3 ||
+		    port->mode == IPVLAN_MODE_L3S)
+			dev_change_flags(ipvlan->dev, flags | IFF_NOARP);
+		else
+			dev_change_flags(ipvlan->dev, flags & ~IFF_NOARP);
+	}
+
 	return err;
 }
 
@@ -594,7 +614,8 @@ int ipvlan_link_new(struct net *src_net, struct net_device *dev,
 	ipvlan->phy_dev = phy_dev;
 	ipvlan->dev = dev;
 	ipvlan->sfeatures = IPVLAN_FEATURES;
-	ipvlan_adjust_mtu(ipvlan, phy_dev);
+	if (!tb[IFLA_MTU])
+		ipvlan_adjust_mtu(ipvlan, phy_dev);
 	INIT_LIST_HEAD(&ipvlan->addrs);
 	spin_lock_init(&ipvlan->addrs_lock);
 
@@ -693,6 +714,7 @@ void ipvlan_link_setup(struct net_device *dev)
 {
 	ether_setup(dev);
 
+	dev->max_mtu = ETH_MAX_MTU;
 	dev->priv_flags &= ~(IFF_XMIT_DST_RELEASE | IFF_TX_SKB_SHARING);
 	dev->priv_flags |= IFF_UNICAST_FLT | IFF_NO_QUEUE;
 	dev->netdev_ops = &ipvlan_netdev_ops;
diff --git a/drivers/net/net_failover.c b/drivers/net/net_failover.c
index 83f7420ddea5..4f390fa557e4 100644
--- a/drivers/net/net_failover.c
+++ b/drivers/net/net_failover.c
@@ -527,7 +527,7 @@ static int net_failover_slave_register(struct net_device *slave_dev,
 
 	netif_addr_lock_bh(failover_dev);
 	dev_uc_sync_multiple(slave_dev, failover_dev);
-	dev_uc_sync_multiple(slave_dev, failover_dev);
+	dev_mc_sync_multiple(slave_dev, failover_dev);
 	netif_addr_unlock_bh(failover_dev);
 
 	err = vlan_vids_add_by_dev(slave_dev, failover_dev);
diff --git a/drivers/net/phy/dp83tc811.c b/drivers/net/phy/dp83tc811.c
index 081d99aa3985..49ac678eb2dc 100644
--- a/drivers/net/phy/dp83tc811.c
+++ b/drivers/net/phy/dp83tc811.c
@@ -222,7 +222,7 @@ static int dp83811_config_intr(struct phy_device *phydev)
 		if (err < 0)
 			return err;
 
-		err = phy_write(phydev, MII_DP83811_INT_STAT1, 0);
+		err = phy_write(phydev, MII_DP83811_INT_STAT2, 0);
 	}
 
 	return err;
diff --git a/drivers/net/phy/marvell.c b/drivers/net/phy/marvell.c
index b8f57e9b9379..1cd439bdf608 100644
--- a/drivers/net/phy/marvell.c
+++ b/drivers/net/phy/marvell.c
@@ -130,8 +130,9 @@
 #define MII_88E1318S_PHY_WOL_CTRL_CLEAR_WOL_STATUS		BIT(12)
 #define MII_88E1318S_PHY_WOL_CTRL_MAGIC_PACKET_MATCH_ENABLE	BIT(14)
 
-#define MII_88E1121_PHY_LED_CTRL	16
+#define MII_PHY_LED_CTRL	        16
 #define MII_88E1121_PHY_LED_DEF		0x0030
+#define MII_88E1510_PHY_LED_DEF		0x1177
 
 #define MII_M1011_PHY_STATUS		0x11
 #define MII_M1011_PHY_STATUS_1000	0x8000
@@ -632,8 +633,40 @@ error:
 	return err;
 }
 
+static void marvell_config_led(struct phy_device *phydev)
+{
+	u16 def_config;
+	int err;
+
+	switch (MARVELL_PHY_FAMILY_ID(phydev->phy_id)) {
+	/* Default PHY LED config: LED[0] .. Link, LED[1] .. Activity */
+	case MARVELL_PHY_FAMILY_ID(MARVELL_PHY_ID_88E1121R):
+	case MARVELL_PHY_FAMILY_ID(MARVELL_PHY_ID_88E1318S):
+		def_config = MII_88E1121_PHY_LED_DEF;
+		break;
+	/* Default PHY LED config:
+	 * LED[0] .. 1000Mbps Link
+	 * LED[1] .. 100Mbps Link
+	 * LED[2] .. Blink, Activity
+	 */
+	case MARVELL_PHY_FAMILY_ID(MARVELL_PHY_ID_88E1510):
+		def_config = MII_88E1510_PHY_LED_DEF;
+		break;
+	default:
+		return;
+	}
+
+	err = phy_write_paged(phydev, MII_MARVELL_LED_PAGE, MII_PHY_LED_CTRL,
+			      def_config);
+	if (err < 0)
+		pr_warn("Fail to config marvell phy LED.\n");
+}
+
 static int marvell_config_init(struct phy_device *phydev)
 {
+	/* Set defalut LED */
+	marvell_config_led(phydev);
+
 	/* Set registers from marvell,reg-init DT property */
 	return marvell_of_reg_init(phydev);
 }
@@ -813,21 +846,6 @@ static int m88e1111_config_init(struct phy_device *phydev)
 	return genphy_soft_reset(phydev);
 }
 
-static int m88e1121_config_init(struct phy_device *phydev)
-{
-	int err;
-
-	/* Default PHY LED config: LED[0] .. Link, LED[1] .. Activity */
-	err = phy_write_paged(phydev, MII_MARVELL_LED_PAGE,
-			      MII_88E1121_PHY_LED_CTRL,
-			      MII_88E1121_PHY_LED_DEF);
-	if (err < 0)
-		return err;
-
-	/* Set marvell,reg-init configuration from device tree */
-	return marvell_config_init(phydev);
-}
-
 static int m88e1318_config_init(struct phy_device *phydev)
 {
 	if (phy_interrupt_is_valid(phydev)) {
@@ -841,7 +859,7 @@ static int m88e1318_config_init(struct phy_device *phydev)
 			return err;
 	}
 
-	return m88e1121_config_init(phydev);
+	return marvell_config_init(phydev);
 }
 
 static int m88e1510_config_init(struct phy_device *phydev)
@@ -2087,7 +2105,7 @@ static struct phy_driver marvell_drivers[] = {
 		.features = PHY_GBIT_FEATURES,
 		.flags = PHY_HAS_INTERRUPT,
 		.probe = &m88e1121_probe,
-		.config_init = &m88e1121_config_init,
+		.config_init = &marvell_config_init,
 		.config_aneg = &m88e1121_config_aneg,
 		.read_status = &marvell_read_status,
 		.ack_interrupt = &marvell_ack_interrupt,
diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c
index 537297d2b4b4..6c9b24fe3148 100644
--- a/drivers/net/phy/phy.c
+++ b/drivers/net/phy/phy.c
@@ -514,7 +514,7 @@ static int phy_start_aneg_priv(struct phy_device *phydev, bool sync)
 	 * negotiation may already be done and aneg interrupt may not be
 	 * generated.
 	 */
-	if (phy_interrupt_is_valid(phydev) && (phydev->state == PHY_AN)) {
+	if (phydev->irq != PHY_POLL && phydev->state == PHY_AN) {
 		err = phy_aneg_done(phydev);
 		if (err > 0) {
 			trigger = true;
diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c
index bd0f339f69fd..b9f5f40a7ac1 100644
--- a/drivers/net/phy/phy_device.c
+++ b/drivers/net/phy/phy_device.c
@@ -1724,11 +1724,8 @@ EXPORT_SYMBOL(genphy_loopback);
 
 static int __set_phy_supported(struct phy_device *phydev, u32 max_speed)
 {
-	/* The default values for phydev->supported are provided by the PHY
-	 * driver "features" member, we want to reset to sane defaults first
-	 * before supporting higher speeds.
-	 */
-	phydev->supported &= PHY_DEFAULT_FEATURES;
+	phydev->supported &= ~(PHY_1000BT_FEATURES | PHY_100BT_FEATURES |
+			       PHY_10BT_FEATURES);
 
 	switch (max_speed) {
 	default:
diff --git a/drivers/net/phy/sfp-bus.c b/drivers/net/phy/sfp-bus.c
index d437f4f5ed52..740655261e5b 100644
--- a/drivers/net/phy/sfp-bus.c
+++ b/drivers/net/phy/sfp-bus.c
@@ -349,7 +349,6 @@ static int sfp_register_bus(struct sfp_bus *bus)
 	}
 	if (bus->started)
 		bus->socket_ops->start(bus->sfp);
-	bus->netdev->sfp_bus = bus;
 	bus->registered = true;
 	return 0;
 }
@@ -364,7 +363,6 @@ static void sfp_unregister_bus(struct sfp_bus *bus)
 		if (bus->phydev && ops && ops->disconnect_phy)
 			ops->disconnect_phy(bus->upstream);
 	}
-	bus->netdev->sfp_bus = NULL;
 	bus->registered = false;
 }
 
@@ -436,6 +434,14 @@ void sfp_upstream_stop(struct sfp_bus *bus)
 }
 EXPORT_SYMBOL_GPL(sfp_upstream_stop);
 
+static void sfp_upstream_clear(struct sfp_bus *bus)
+{
+	bus->upstream_ops = NULL;
+	bus->upstream = NULL;
+	bus->netdev->sfp_bus = NULL;
+	bus->netdev = NULL;
+}
+
 /**
  * sfp_register_upstream() - Register the neighbouring device
  * @fwnode: firmware node for the SFP bus
@@ -461,9 +467,13 @@ struct sfp_bus *sfp_register_upstream(struct fwnode_handle *fwnode,
 		bus->upstream_ops = ops;
 		bus->upstream = upstream;
 		bus->netdev = ndev;
+		ndev->sfp_bus = bus;
 
-		if (bus->sfp)
+		if (bus->sfp) {
 			ret = sfp_register_bus(bus);
+			if (ret)
+				sfp_upstream_clear(bus);
+		}
 		rtnl_unlock();
 	}
 
@@ -488,8 +498,7 @@ void sfp_unregister_upstream(struct sfp_bus *bus)
 	rtnl_lock();
 	if (bus->sfp)
 		sfp_unregister_bus(bus);
-	bus->upstream = NULL;
-	bus->netdev = NULL;
+	sfp_upstream_clear(bus);
 	rtnl_unlock();
 
 	sfp_bus_put(bus);
@@ -561,6 +570,13 @@ void sfp_module_remove(struct sfp_bus *bus)
 }
 EXPORT_SYMBOL_GPL(sfp_module_remove);
 
+static void sfp_socket_clear(struct sfp_bus *bus)
+{
+	bus->sfp_dev = NULL;
+	bus->sfp = NULL;
+	bus->socket_ops = NULL;
+}
+
 struct sfp_bus *sfp_register_socket(struct device *dev, struct sfp *sfp,
 				    const struct sfp_socket_ops *ops)
 {
@@ -573,8 +589,11 @@ struct sfp_bus *sfp_register_socket(struct device *dev, struct sfp *sfp,
 		bus->sfp = sfp;
 		bus->socket_ops = ops;
 
-		if (bus->netdev)
+		if (bus->netdev) {
 			ret = sfp_register_bus(bus);
+			if (ret)
+				sfp_socket_clear(bus);
+		}
 		rtnl_unlock();
 	}
 
@@ -592,9 +611,7 @@ void sfp_unregister_socket(struct sfp_bus *bus)
 	rtnl_lock();
 	if (bus->netdev)
 		sfp_unregister_bus(bus);
-	bus->sfp_dev = NULL;
-	bus->sfp = NULL;
-	bus->socket_ops = NULL;
+	sfp_socket_clear(bus);
 	rtnl_unlock();
 
 	sfp_bus_put(bus);
diff --git a/drivers/net/ppp/pppoe.c b/drivers/net/ppp/pppoe.c
index de51e8f70f44..ce61231e96ea 100644
--- a/drivers/net/ppp/pppoe.c
+++ b/drivers/net/ppp/pppoe.c
@@ -1107,7 +1107,7 @@ static const struct proto_ops pppoe_ops = {
 	.socketpair	= sock_no_socketpair,
 	.accept		= sock_no_accept,
 	.getname	= pppoe_getname,
-	.poll_mask	= datagram_poll_mask,
+	.poll		= datagram_poll,
 	.listen		= sock_no_listen,
 	.shutdown	= sock_no_shutdown,
 	.setsockopt	= sock_no_setsockopt,
diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index a192a017cc68..f5727baac84a 100644
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -1688,7 +1688,7 @@ static struct sk_buff *tun_build_skb(struct tun_struct *tun,
 		case XDP_TX:
 			get_page(alloc_frag->page);
 			alloc_frag->offset += buflen;
-			if (tun_xdp_tx(tun->dev, &xdp))
+			if (tun_xdp_tx(tun->dev, &xdp) < 0)
 				goto err_redirect;
 			rcu_read_unlock();
 			local_bh_enable();
diff --git a/drivers/net/usb/asix_devices.c b/drivers/net/usb/asix_devices.c
index 3d4f7959dabb..b1b3d8f7e67d 100644
--- a/drivers/net/usb/asix_devices.c
+++ b/drivers/net/usb/asix_devices.c
@@ -642,10 +642,12 @@ static void ax88772_restore_phy(struct usbnet *dev)
 				     priv->presvd_phy_advertise);
 
 		/* Restore BMCR */
+		if (priv->presvd_phy_bmcr & BMCR_ANENABLE)
+			priv->presvd_phy_bmcr |= BMCR_ANRESTART;
+
 		asix_mdio_write_nopm(dev->net, dev->mii.phy_id, MII_BMCR,
 				     priv->presvd_phy_bmcr);
 
-		mii_nway_restart(&dev->mii);
 		priv->presvd_phy_advertise = 0;
 		priv->presvd_phy_bmcr = 0;
 	}
diff --git a/drivers/net/usb/cdc_ncm.c b/drivers/net/usb/cdc_ncm.c
index b0e8b9613054..1eaec648bd1f 100644
--- a/drivers/net/usb/cdc_ncm.c
+++ b/drivers/net/usb/cdc_ncm.c
@@ -967,8 +967,7 @@ void cdc_ncm_unbind(struct usbnet *dev, struct usb_interface *intf)
 
 	atomic_set(&ctx->stop, 1);
 
-	if (hrtimer_active(&ctx->tx_timer))
-		hrtimer_cancel(&ctx->tx_timer);
+	hrtimer_cancel(&ctx->tx_timer);
 
 	tasklet_kill(&ctx->bh);
 
diff --git a/drivers/net/usb/lan78xx.c b/drivers/net/usb/lan78xx.c
index 8dff87ec6d99..ed10d49eb5e0 100644
--- a/drivers/net/usb/lan78xx.c
+++ b/drivers/net/usb/lan78xx.c
@@ -64,6 +64,7 @@
 #define DEFAULT_RX_CSUM_ENABLE		(true)
 #define DEFAULT_TSO_CSUM_ENABLE		(true)
 #define DEFAULT_VLAN_FILTER_ENABLE	(true)
+#define DEFAULT_VLAN_RX_OFFLOAD		(true)
 #define TX_OVERHEAD			(8)
 #define RXW_PADDING			2
 
@@ -2298,7 +2299,7 @@ static int lan78xx_change_mtu(struct net_device *netdev, int new_mtu)
 	if ((ll_mtu % dev->maxpacket) == 0)
 		return -EDOM;
 
-	ret = lan78xx_set_rx_max_frame_length(dev, new_mtu + ETH_HLEN);
+	ret = lan78xx_set_rx_max_frame_length(dev, new_mtu + VLAN_ETH_HLEN);
 
 	netdev->mtu = new_mtu;
 
@@ -2364,6 +2365,11 @@ static int lan78xx_set_features(struct net_device *netdev,
 	}
 
 	if (features & NETIF_F_HW_VLAN_CTAG_RX)
+		pdata->rfe_ctl |= RFE_CTL_VLAN_STRIP_;
+	else
+		pdata->rfe_ctl &= ~RFE_CTL_VLAN_STRIP_;
+
+	if (features & NETIF_F_HW_VLAN_CTAG_FILTER)
 		pdata->rfe_ctl |= RFE_CTL_VLAN_FILTER_;
 	else
 		pdata->rfe_ctl &= ~RFE_CTL_VLAN_FILTER_;
@@ -2587,7 +2593,8 @@ static int lan78xx_reset(struct lan78xx_net *dev)
 	buf |= FCT_TX_CTL_EN_;
 	ret = lan78xx_write_reg(dev, FCT_TX_CTL, buf);
 
-	ret = lan78xx_set_rx_max_frame_length(dev, dev->net->mtu + ETH_HLEN);
+	ret = lan78xx_set_rx_max_frame_length(dev,
+					      dev->net->mtu + VLAN_ETH_HLEN);
 
 	ret = lan78xx_read_reg(dev, MAC_RX, &buf);
 	buf |= MAC_RX_RXEN_;
@@ -2975,6 +2982,12 @@ static int lan78xx_bind(struct lan78xx_net *dev, struct usb_interface *intf)
 	if (DEFAULT_TSO_CSUM_ENABLE)
 		dev->net->features |= NETIF_F_TSO | NETIF_F_TSO6 | NETIF_F_SG;
 
+	if (DEFAULT_VLAN_RX_OFFLOAD)
+		dev->net->features |= NETIF_F_HW_VLAN_CTAG_RX;
+
+	if (DEFAULT_VLAN_FILTER_ENABLE)
+		dev->net->features |= NETIF_F_HW_VLAN_CTAG_FILTER;
+
 	dev->net->hw_features = dev->net->features;
 
 	ret = lan78xx_setup_irq_domain(dev);
@@ -3039,8 +3052,13 @@ static void lan78xx_rx_csum_offload(struct lan78xx_net *dev,
 				    struct sk_buff *skb,
 				    u32 rx_cmd_a, u32 rx_cmd_b)
 {
+	/* HW Checksum offload appears to be flawed if used when not stripping
+	 * VLAN headers. Drop back to S/W checksums under these conditions.
+	 */
 	if (!(dev->net->features & NETIF_F_RXCSUM) ||
-	    unlikely(rx_cmd_a & RX_CMD_A_ICSM_)) {
+	    unlikely(rx_cmd_a & RX_CMD_A_ICSM_) ||
+	    ((rx_cmd_a & RX_CMD_A_FVTG_) &&
+	     !(dev->net->features & NETIF_F_HW_VLAN_CTAG_RX))) {
 		skb->ip_summed = CHECKSUM_NONE;
 	} else {
 		skb->csum = ntohs((u16)(rx_cmd_b >> RX_CMD_B_CSUM_SHIFT_));
@@ -3048,6 +3066,16 @@ static void lan78xx_rx_csum_offload(struct lan78xx_net *dev,
 	}
 }
 
+static void lan78xx_rx_vlan_offload(struct lan78xx_net *dev,
+				    struct sk_buff *skb,
+				    u32 rx_cmd_a, u32 rx_cmd_b)
+{
+	if ((dev->net->features & NETIF_F_HW_VLAN_CTAG_RX) &&
+	    (rx_cmd_a & RX_CMD_A_FVTG_))
+		__vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q),
+				       (rx_cmd_b & 0xffff));
+}
+
 static void lan78xx_skb_return(struct lan78xx_net *dev, struct sk_buff *skb)
 {
 	int		status;
@@ -3112,6 +3140,8 @@ static int lan78xx_rx(struct lan78xx_net *dev, struct sk_buff *skb)
 			if (skb->len == size) {
 				lan78xx_rx_csum_offload(dev, skb,
 							rx_cmd_a, rx_cmd_b);
+				lan78xx_rx_vlan_offload(dev, skb,
+							rx_cmd_a, rx_cmd_b);
 
 				skb_trim(skb, skb->len - 4); /* remove fcs */
 				skb->truesize = size + sizeof(struct sk_buff);
@@ -3130,6 +3160,7 @@ static int lan78xx_rx(struct lan78xx_net *dev, struct sk_buff *skb)
 			skb_set_tail_pointer(skb2, size);
 
 			lan78xx_rx_csum_offload(dev, skb2, rx_cmd_a, rx_cmd_b);
+			lan78xx_rx_vlan_offload(dev, skb2, rx_cmd_a, rx_cmd_b);
 
 			skb_trim(skb2, skb2->len - 4); /* remove fcs */
 			skb2->truesize = size + sizeof(struct sk_buff);
@@ -3313,6 +3344,7 @@ static void lan78xx_tx_bh(struct lan78xx_net *dev)
 	pkt_cnt = 0;
 	count = 0;
 	length = 0;
+	spin_lock_irqsave(&tqp->lock, flags);
 	for (skb = tqp->next; pkt_cnt < tqp->qlen; skb = skb->next) {
 		if (skb_is_gso(skb)) {
 			if (pkt_cnt) {
@@ -3321,7 +3353,8 @@ static void lan78xx_tx_bh(struct lan78xx_net *dev)
 			}
 			count = 1;
 			length = skb->len - TX_OVERHEAD;
-			skb2 = skb_dequeue(tqp);
+			__skb_unlink(skb, tqp);
+			spin_unlock_irqrestore(&tqp->lock, flags);
 			goto gso_skb;
 		}
 
@@ -3330,6 +3363,7 @@ static void lan78xx_tx_bh(struct lan78xx_net *dev)
 		skb_totallen = skb->len + roundup(skb_totallen, sizeof(u32));
 		pkt_cnt++;
 	}
+	spin_unlock_irqrestore(&tqp->lock, flags);
 
 	/* copy to a single skb */
 	skb = alloc_skb(skb_totallen, GFP_ATOMIC);
diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c
index 8e8b51f171f4..cb0cc30c3d6a 100644
--- a/drivers/net/usb/qmi_wwan.c
+++ b/drivers/net/usb/qmi_wwan.c
@@ -1246,12 +1246,14 @@ static const struct usb_device_id products[] = {
 	{QMI_FIXED_INTF(0x413c, 0x81b3, 8)},	/* Dell Wireless 5809e Gobi(TM) 4G LTE Mobile Broadband Card (rev3) */
 	{QMI_FIXED_INTF(0x413c, 0x81b6, 8)},	/* Dell Wireless 5811e */
 	{QMI_FIXED_INTF(0x413c, 0x81b6, 10)},	/* Dell Wireless 5811e */
+	{QMI_FIXED_INTF(0x413c, 0x81d7, 0)},	/* Dell Wireless 5821e */
 	{QMI_FIXED_INTF(0x03f0, 0x4e1d, 8)},	/* HP lt4111 LTE/EV-DO/HSPA+ Gobi 4G Module */
 	{QMI_FIXED_INTF(0x03f0, 0x9d1d, 1)},	/* HP lt4120 Snapdragon X5 LTE */
 	{QMI_FIXED_INTF(0x22de, 0x9061, 3)},	/* WeTelecom WPD-600N */
 	{QMI_QUIRK_SET_DTR(0x1e0e, 0x9001, 5)},	/* SIMCom 7100E, 7230E, 7600E ++ */
 	{QMI_QUIRK_SET_DTR(0x2c7c, 0x0125, 4)},	/* Quectel EC25, EC20 R2.0  Mini PCIe */
 	{QMI_QUIRK_SET_DTR(0x2c7c, 0x0121, 4)},	/* Quectel EC21 Mini PCIe */
+	{QMI_QUIRK_SET_DTR(0x2c7c, 0x0191, 4)},	/* Quectel EG91 */
 	{QMI_FIXED_INTF(0x2c7c, 0x0296, 4)},	/* Quectel BG96 */
 	{QMI_QUIRK_SET_DTR(0x2c7c, 0x0306, 4)},	/* Quectel EP06 Mini PCIe */
 
diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c
index 86f7196f9d91..2a58607a6aea 100644
--- a/drivers/net/usb/r8152.c
+++ b/drivers/net/usb/r8152.c
@@ -3962,7 +3962,8 @@ static int rtl8152_close(struct net_device *netdev)
 #ifdef CONFIG_PM_SLEEP
 	unregister_pm_notifier(&tp->pm_notifier);
 #endif
-	napi_disable(&tp->napi);
+	if (!test_bit(RTL8152_UNPLUG, &tp->flags))
+		napi_disable(&tp->napi);
 	clear_bit(WORK_ENABLE, &tp->flags);
 	usb_kill_urb(tp->intr_urb);
 	cancel_delayed_work_sync(&tp->schedule);
diff --git a/drivers/net/usb/rtl8150.c b/drivers/net/usb/rtl8150.c
index 5f565bd574da..48ba80a8ca5c 100644
--- a/drivers/net/usb/rtl8150.c
+++ b/drivers/net/usb/rtl8150.c
@@ -681,7 +681,7 @@ static void rtl8150_set_multicast(struct net_device *netdev)
 		   (netdev->flags & IFF_ALLMULTI)) {
 		rx_creg &= 0xfffe;
 		rx_creg |= 0x0002;
-		dev_info(&netdev->dev, "%s: allmulti set\n", netdev->name);
+		dev_dbg(&netdev->dev, "%s: allmulti set\n", netdev->name);
 	} else {
 		/* ~RX_MULTICAST, ~RX_PROMISCUOUS */
 		rx_creg &= 0x00fc;
diff --git a/drivers/net/usb/smsc75xx.c b/drivers/net/usb/smsc75xx.c
index 7a6a1fe79309..05553d252446 100644
--- a/drivers/net/usb/smsc75xx.c
+++ b/drivers/net/usb/smsc75xx.c
@@ -82,6 +82,9 @@ static bool turbo_mode = true;
 module_param(turbo_mode, bool, 0644);
 MODULE_PARM_DESC(turbo_mode, "Enable multiple frames per Rx transaction");
 
+static int smsc75xx_link_ok_nopm(struct usbnet *dev);
+static int smsc75xx_phy_gig_workaround(struct usbnet *dev);
+
 static int __must_check __smsc75xx_read_reg(struct usbnet *dev, u32 index,
 					    u32 *data, int in_pm)
 {
@@ -852,6 +855,9 @@ static int smsc75xx_phy_initialize(struct usbnet *dev)
 		return -EIO;
 	}
 
+	/* phy workaround for gig link */
+	smsc75xx_phy_gig_workaround(dev);
+
 	smsc75xx_mdio_write(dev->net, dev->mii.phy_id, MII_ADVERTISE,
 		ADVERTISE_ALL | ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP |
 		ADVERTISE_PAUSE_ASYM);
@@ -987,6 +993,62 @@ static int smsc75xx_wait_ready(struct usbnet *dev, int in_pm)
 	return -EIO;
 }
 
+static int smsc75xx_phy_gig_workaround(struct usbnet *dev)
+{
+	struct mii_if_info *mii = &dev->mii;
+	int ret = 0, timeout = 0;
+	u32 buf, link_up = 0;
+
+	/* Set the phy in Gig loopback */
+	smsc75xx_mdio_write(dev->net, mii->phy_id, MII_BMCR, 0x4040);
+
+	/* Wait for the link up */
+	do {
+		link_up = smsc75xx_link_ok_nopm(dev);
+		usleep_range(10000, 20000);
+		timeout++;
+	} while ((!link_up) && (timeout < 1000));
+
+	if (timeout >= 1000) {
+		netdev_warn(dev->net, "Timeout waiting for PHY link up\n");
+		return -EIO;
+	}
+
+	/* phy reset */
+	ret = smsc75xx_read_reg(dev, PMT_CTL, &buf);
+	if (ret < 0) {
+		netdev_warn(dev->net, "Failed to read PMT_CTL: %d\n", ret);
+		return ret;
+	}
+
+	buf |= PMT_CTL_PHY_RST;
+
+	ret = smsc75xx_write_reg(dev, PMT_CTL, buf);
+	if (ret < 0) {
+		netdev_warn(dev->net, "Failed to write PMT_CTL: %d\n", ret);
+		return ret;
+	}
+
+	timeout = 0;
+	do {
+		usleep_range(10000, 20000);
+		ret = smsc75xx_read_reg(dev, PMT_CTL, &buf);
+		if (ret < 0) {
+			netdev_warn(dev->net, "Failed to read PMT_CTL: %d\n",
+				    ret);
+			return ret;
+		}
+		timeout++;
+	} while ((buf & PMT_CTL_PHY_RST) && (timeout < 100));
+
+	if (timeout >= 100) {
+		netdev_warn(dev->net, "timeout waiting for PHY Reset\n");
+		return -EIO;
+	}
+
+	return 0;
+}
+
 static int smsc75xx_reset(struct usbnet *dev)
 {
 	struct smsc75xx_priv *pdata = (struct smsc75xx_priv *)(dev->data[0]);
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index b6c9a2af3732..53085c63277b 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -53,6 +53,10 @@ module_param(napi_tx, bool, 0644);
 /* Amount of XDP headroom to prepend to packets for use by xdp_adjust_head */
 #define VIRTIO_XDP_HEADROOM 256
 
+/* Separating two types of XDP xmit */
+#define VIRTIO_XDP_TX		BIT(0)
+#define VIRTIO_XDP_REDIR	BIT(1)
+
 /* RX packet size EWMA. The average packet size is used to determine the packet
  * buffer size when refilling RX rings. As the entire RX ring may be refilled
  * at once, the weight is chosen so that the EWMA will be insensitive to short-
@@ -582,7 +586,7 @@ static struct sk_buff *receive_small(struct net_device *dev,
 				     struct receive_queue *rq,
 				     void *buf, void *ctx,
 				     unsigned int len,
-				     bool *xdp_xmit)
+				     unsigned int *xdp_xmit)
 {
 	struct sk_buff *skb;
 	struct bpf_prog *xdp_prog;
@@ -654,14 +658,14 @@ static struct sk_buff *receive_small(struct net_device *dev,
 				trace_xdp_exception(vi->dev, xdp_prog, act);
 				goto err_xdp;
 			}
-			*xdp_xmit = true;
+			*xdp_xmit |= VIRTIO_XDP_TX;
 			rcu_read_unlock();
 			goto xdp_xmit;
 		case XDP_REDIRECT:
 			err = xdp_do_redirect(dev, &xdp, xdp_prog);
 			if (err)
 				goto err_xdp;
-			*xdp_xmit = true;
+			*xdp_xmit |= VIRTIO_XDP_REDIR;
 			rcu_read_unlock();
 			goto xdp_xmit;
 		default:
@@ -723,7 +727,7 @@ static struct sk_buff *receive_mergeable(struct net_device *dev,
 					 void *buf,
 					 void *ctx,
 					 unsigned int len,
-					 bool *xdp_xmit)
+					 unsigned int *xdp_xmit)
 {
 	struct virtio_net_hdr_mrg_rxbuf *hdr = buf;
 	u16 num_buf = virtio16_to_cpu(vi->vdev, hdr->num_buffers);
@@ -818,7 +822,7 @@ static struct sk_buff *receive_mergeable(struct net_device *dev,
 					put_page(xdp_page);
 				goto err_xdp;
 			}
-			*xdp_xmit = true;
+			*xdp_xmit |= VIRTIO_XDP_TX;
 			if (unlikely(xdp_page != page))
 				put_page(page);
 			rcu_read_unlock();
@@ -830,7 +834,7 @@ static struct sk_buff *receive_mergeable(struct net_device *dev,
 					put_page(xdp_page);
 				goto err_xdp;
 			}
-			*xdp_xmit = true;
+			*xdp_xmit |= VIRTIO_XDP_REDIR;
 			if (unlikely(xdp_page != page))
 				put_page(page);
 			rcu_read_unlock();
@@ -939,7 +943,8 @@ xdp_xmit:
 }
 
 static int receive_buf(struct virtnet_info *vi, struct receive_queue *rq,
-		       void *buf, unsigned int len, void **ctx, bool *xdp_xmit)
+		       void *buf, unsigned int len, void **ctx,
+		       unsigned int *xdp_xmit)
 {
 	struct net_device *dev = vi->dev;
 	struct sk_buff *skb;
@@ -1232,7 +1237,8 @@ static void refill_work(struct work_struct *work)
 	}
 }
 
-static int virtnet_receive(struct receive_queue *rq, int budget, bool *xdp_xmit)
+static int virtnet_receive(struct receive_queue *rq, int budget,
+			   unsigned int *xdp_xmit)
 {
 	struct virtnet_info *vi = rq->vq->vdev->priv;
 	unsigned int len, received = 0, bytes = 0;
@@ -1321,7 +1327,7 @@ static int virtnet_poll(struct napi_struct *napi, int budget)
 	struct virtnet_info *vi = rq->vq->vdev->priv;
 	struct send_queue *sq;
 	unsigned int received, qp;
-	bool xdp_xmit = false;
+	unsigned int xdp_xmit = 0;
 
 	virtnet_poll_cleantx(rq);
 
@@ -1331,12 +1337,14 @@ static int virtnet_poll(struct napi_struct *napi, int budget)
 	if (received < budget)
 		virtqueue_napi_complete(napi, rq->vq, received);
 
-	if (xdp_xmit) {
+	if (xdp_xmit & VIRTIO_XDP_REDIR)
+		xdp_do_flush_map();
+
+	if (xdp_xmit & VIRTIO_XDP_TX) {
 		qp = vi->curr_queue_pairs - vi->xdp_queue_pairs +
 		     smp_processor_id();
 		sq = &vi->sq[qp];
 		virtqueue_kick(sq->vq);
-		xdp_do_flush_map();
 	}
 
 	return received;
diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c
index aee0e60471f1..e857cb3335f6 100644
--- a/drivers/net/vxlan.c
+++ b/drivers/net/vxlan.c
@@ -623,9 +623,7 @@ static struct sk_buff **vxlan_gro_receive(struct sock *sk,
 	flush = 0;
 
 out:
-	skb_gro_remcsum_cleanup(skb, &grc);
-	skb->remcsum_offload = 0;
-	NAPI_GRO_CB(skb)->flush |= flush;
+	skb_gro_flush_final_remcsum(skb, pp, flush, &grc);
 
 	return pp;
 }
@@ -638,9 +636,62 @@ static int vxlan_gro_complete(struct sock *sk, struct sk_buff *skb, int nhoff)
 	return eth_gro_complete(skb, nhoff + sizeof(struct vxlanhdr));
 }
 
-/* Add new entry to forwarding table -- assumes lock held */
+static struct vxlan_fdb *vxlan_fdb_alloc(struct vxlan_dev *vxlan,
+					 const u8 *mac, __u16 state,
+					 __be32 src_vni, __u8 ndm_flags)
+{
+	struct vxlan_fdb *f;
+
+	f = kmalloc(sizeof(*f), GFP_ATOMIC);
+	if (!f)
+		return NULL;
+	f->state = state;
+	f->flags = ndm_flags;
+	f->updated = f->used = jiffies;
+	f->vni = src_vni;
+	INIT_LIST_HEAD(&f->remotes);
+	memcpy(f->eth_addr, mac, ETH_ALEN);
+
+	return f;
+}
+
 static int vxlan_fdb_create(struct vxlan_dev *vxlan,
 			    const u8 *mac, union vxlan_addr *ip,
+			    __u16 state, __be16 port, __be32 src_vni,
+			    __be32 vni, __u32 ifindex, __u8 ndm_flags,
+			    struct vxlan_fdb **fdb)
+{
+	struct vxlan_rdst *rd = NULL;
+	struct vxlan_fdb *f;
+	int rc;
+
+	if (vxlan->cfg.addrmax &&
+	    vxlan->addrcnt >= vxlan->cfg.addrmax)
+		return -ENOSPC;
+
+	netdev_dbg(vxlan->dev, "add %pM -> %pIS\n", mac, ip);
+	f = vxlan_fdb_alloc(vxlan, mac, state, src_vni, ndm_flags);
+	if (!f)
+		return -ENOMEM;
+
+	rc = vxlan_fdb_append(f, ip, port, vni, ifindex, &rd);
+	if (rc < 0) {
+		kfree(f);
+		return rc;
+	}
+
+	++vxlan->addrcnt;
+	hlist_add_head_rcu(&f->hlist,
+			   vxlan_fdb_head(vxlan, mac, src_vni));
+
+	*fdb = f;
+
+	return 0;
+}
+
+/* Add new entry to forwarding table -- assumes lock held */
+static int vxlan_fdb_update(struct vxlan_dev *vxlan,
+			    const u8 *mac, union vxlan_addr *ip,
 			    __u16 state, __u16 flags,
 			    __be16 port, __be32 src_vni, __be32 vni,
 			    __u32 ifindex, __u8 ndm_flags)
@@ -689,37 +740,17 @@ static int vxlan_fdb_create(struct vxlan_dev *vxlan,
 		if (!(flags & NLM_F_CREATE))
 			return -ENOENT;
 
-		if (vxlan->cfg.addrmax &&
-		    vxlan->addrcnt >= vxlan->cfg.addrmax)
-			return -ENOSPC;
-
 		/* Disallow replace to add a multicast entry */
 		if ((flags & NLM_F_REPLACE) &&
 		    (is_multicast_ether_addr(mac) || is_zero_ether_addr(mac)))
 			return -EOPNOTSUPP;
 
 		netdev_dbg(vxlan->dev, "add %pM -> %pIS\n", mac, ip);
-		f = kmalloc(sizeof(*f), GFP_ATOMIC);
-		if (!f)
-			return -ENOMEM;
-
-		notify = 1;
-		f->state = state;
-		f->flags = ndm_flags;
-		f->updated = f->used = jiffies;
-		f->vni = src_vni;
-		INIT_LIST_HEAD(&f->remotes);
-		memcpy(f->eth_addr, mac, ETH_ALEN);
-
-		rc = vxlan_fdb_append(f, ip, port, vni, ifindex, &rd);
-		if (rc < 0) {
-			kfree(f);
+		rc = vxlan_fdb_create(vxlan, mac, ip, state, port, src_vni,
+				      vni, ifindex, ndm_flags, &f);
+		if (rc < 0)
 			return rc;
-		}
-
-		++vxlan->addrcnt;
-		hlist_add_head_rcu(&f->hlist,
-				   vxlan_fdb_head(vxlan, mac, src_vni));
+		notify = 1;
 	}
 
 	if (notify) {
@@ -743,13 +774,15 @@ static void vxlan_fdb_free(struct rcu_head *head)
 	kfree(f);
 }
 
-static void vxlan_fdb_destroy(struct vxlan_dev *vxlan, struct vxlan_fdb *f)
+static void vxlan_fdb_destroy(struct vxlan_dev *vxlan, struct vxlan_fdb *f,
+			      bool do_notify)
 {
 	netdev_dbg(vxlan->dev,
 		    "delete %pM\n", f->eth_addr);
 
 	--vxlan->addrcnt;
-	vxlan_fdb_notify(vxlan, f, first_remote_rtnl(f), RTM_DELNEIGH);
+	if (do_notify)
+		vxlan_fdb_notify(vxlan, f, first_remote_rtnl(f), RTM_DELNEIGH);
 
 	hlist_del_rcu(&f->hlist);
 	call_rcu(&f->rcu, vxlan_fdb_free);
@@ -865,7 +898,7 @@ static int vxlan_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],
 		return -EAFNOSUPPORT;
 
 	spin_lock_bh(&vxlan->hash_lock);
-	err = vxlan_fdb_create(vxlan, addr, &ip, ndm->ndm_state, flags,
+	err = vxlan_fdb_update(vxlan, addr, &ip, ndm->ndm_state, flags,
 			       port, src_vni, vni, ifindex, ndm->ndm_flags);
 	spin_unlock_bh(&vxlan->hash_lock);
 
@@ -899,7 +932,7 @@ static int __vxlan_fdb_delete(struct vxlan_dev *vxlan,
 		goto out;
 	}
 
-	vxlan_fdb_destroy(vxlan, f);
+	vxlan_fdb_destroy(vxlan, f, true);
 
 out:
 	return 0;
@@ -1008,7 +1041,7 @@ static bool vxlan_snoop(struct net_device *dev,
 
 		/* close off race between vxlan_flush and incoming packets */
 		if (netif_running(dev))
-			vxlan_fdb_create(vxlan, src_mac, src_ip,
+			vxlan_fdb_update(vxlan, src_mac, src_ip,
 					 NUD_REACHABLE,
 					 NLM_F_EXCL|NLM_F_CREATE,
 					 vxlan->cfg.dst_port,
@@ -2366,7 +2399,7 @@ static void vxlan_cleanup(struct timer_list *t)
 					   "garbage collect %pM\n",
 					   f->eth_addr);
 				f->state = NUD_STALE;
-				vxlan_fdb_destroy(vxlan, f);
+				vxlan_fdb_destroy(vxlan, f, true);
 			} else if (time_before(timeout, next_timer))
 				next_timer = timeout;
 		}
@@ -2417,7 +2450,7 @@ static void vxlan_fdb_delete_default(struct vxlan_dev *vxlan, __be32 vni)
 	spin_lock_bh(&vxlan->hash_lock);
 	f = __vxlan_find_mac(vxlan, all_zeros_mac, vni);
 	if (f)
-		vxlan_fdb_destroy(vxlan, f);
+		vxlan_fdb_destroy(vxlan, f, true);
 	spin_unlock_bh(&vxlan->hash_lock);
 }
 
@@ -2471,7 +2504,7 @@ static void vxlan_flush(struct vxlan_dev *vxlan, bool do_all)
 				continue;
 			/* the all_zeros_mac entry is deleted at vxlan_uninit */
 			if (!is_zero_ether_addr(f->eth_addr))
-				vxlan_fdb_destroy(vxlan, f);
+				vxlan_fdb_destroy(vxlan, f, true);
 		}
 	}
 	spin_unlock_bh(&vxlan->hash_lock);
@@ -3162,6 +3195,7 @@ static int __vxlan_dev_create(struct net *net, struct net_device *dev,
 {
 	struct vxlan_net *vn = net_generic(net, vxlan_net_id);
 	struct vxlan_dev *vxlan = netdev_priv(dev);
+	struct vxlan_fdb *f = NULL;
 	int err;
 
 	err = vxlan_dev_configure(net, dev, conf, false, extack);
@@ -3175,24 +3209,35 @@ static int __vxlan_dev_create(struct net *net, struct net_device *dev,
 		err = vxlan_fdb_create(vxlan, all_zeros_mac,
 				       &vxlan->default_dst.remote_ip,
 				       NUD_REACHABLE | NUD_PERMANENT,
-				       NLM_F_EXCL | NLM_F_CREATE,
 				       vxlan->cfg.dst_port,
 				       vxlan->default_dst.remote_vni,
 				       vxlan->default_dst.remote_vni,
 				       vxlan->default_dst.remote_ifindex,
-				       NTF_SELF);
+				       NTF_SELF, &f);
 		if (err)
 			return err;
 	}
 
 	err = register_netdevice(dev);
+	if (err)
+		goto errout;
+
+	err = rtnl_configure_link(dev, NULL);
 	if (err) {
-		vxlan_fdb_delete_default(vxlan, vxlan->default_dst.remote_vni);
-		return err;
+		unregister_netdevice(dev);
+		goto errout;
 	}
 
+	/* notify default fdb entry */
+	if (f)
+		vxlan_fdb_notify(vxlan, f, first_remote_rtnl(f), RTM_NEWNEIGH);
+
 	list_add(&vxlan->next, &vn->vxlan_list);
 	return 0;
+errout:
+	if (f)
+		vxlan_fdb_destroy(vxlan, f, false);
+	return err;
 }
 
 static int vxlan_nl2conf(struct nlattr *tb[], struct nlattr *data[],
@@ -3427,6 +3472,7 @@ static int vxlan_changelink(struct net_device *dev, struct nlattr *tb[],
 	struct vxlan_rdst *dst = &vxlan->default_dst;
 	struct vxlan_rdst old_dst;
 	struct vxlan_config conf;
+	struct vxlan_fdb *f = NULL;
 	int err;
 
 	err = vxlan_nl2conf(tb, data,
@@ -3455,16 +3501,16 @@ static int vxlan_changelink(struct net_device *dev, struct nlattr *tb[],
 			err = vxlan_fdb_create(vxlan, all_zeros_mac,
 					       &dst->remote_ip,
 					       NUD_REACHABLE | NUD_PERMANENT,
-					       NLM_F_CREATE | NLM_F_APPEND,
 					       vxlan->cfg.dst_port,
 					       dst->remote_vni,
 					       dst->remote_vni,
 					       dst->remote_ifindex,
-					       NTF_SELF);
+					       NTF_SELF, &f);
 			if (err) {
 				spin_unlock_bh(&vxlan->hash_lock);
 				return err;
 			}
+			vxlan_fdb_notify(vxlan, f, first_remote_rtnl(f), RTM_NEWNEIGH);
 		}
 		spin_unlock_bh(&vxlan->hash_lock);
 	}
diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c
index e9c2fb318c03..836e0a47b94a 100644
--- a/drivers/net/wireless/ath/ath10k/mac.c
+++ b/drivers/net/wireless/ath/ath10k/mac.c
@@ -6058,8 +6058,19 @@ static void ath10k_sta_rc_update_wk(struct work_struct *wk)
 			   ath10k_mac_max_vht_nss(vht_mcs_mask)));
 
 	if (changed & IEEE80211_RC_BW_CHANGED) {
-		ath10k_dbg(ar, ATH10K_DBG_MAC, "mac update sta %pM peer bw %d\n",
-			   sta->addr, bw);
+		enum wmi_phy_mode mode;
+
+		mode = chan_to_phymode(&def);
+		ath10k_dbg(ar, ATH10K_DBG_MAC, "mac update sta %pM peer bw %d phymode %d\n",
+				sta->addr, bw, mode);
+
+		err = ath10k_wmi_peer_set_param(ar, arvif->vdev_id, sta->addr,
+				WMI_PEER_PHYMODE, mode);
+		if (err) {
+			ath10k_warn(ar, "failed to update STA %pM peer phymode %d: %d\n",
+					sta->addr, mode, err);
+			goto exit;
+		}
 
 		err = ath10k_wmi_peer_set_param(ar, arvif->vdev_id, sta->addr,
 						WMI_PEER_CHAN_WIDTH, bw);
@@ -6100,6 +6111,7 @@ static void ath10k_sta_rc_update_wk(struct work_struct *wk)
 				    sta->addr);
 	}
 
+exit:
 	mutex_unlock(&ar->conf_mutex);
 }
 
diff --git a/drivers/net/wireless/ath/ath10k/wmi.h b/drivers/net/wireless/ath/ath10k/wmi.h
index b48db54e9865..d68afb65402a 100644
--- a/drivers/net/wireless/ath/ath10k/wmi.h
+++ b/drivers/net/wireless/ath/ath10k/wmi.h
@@ -6144,6 +6144,7 @@ enum wmi_peer_param {
 	WMI_PEER_NSS        = 0x5,
 	WMI_PEER_USE_4ADDR  = 0x6,
 	WMI_PEER_DEBUG      = 0xa,
+	WMI_PEER_PHYMODE    = 0xd,
 	WMI_PEER_DUMMY_VAR  = 0xff, /* dummy parameter for STA PS workaround */
 };
 
diff --git a/drivers/net/wireless/ath/wcn36xx/testmode.c b/drivers/net/wireless/ath/wcn36xx/testmode.c
index 1279064a3b71..51a038022c8b 100644
--- a/drivers/net/wireless/ath/wcn36xx/testmode.c
+++ b/drivers/net/wireless/ath/wcn36xx/testmode.c
@@ -1,4 +1,4 @@
-/*
+/*
  * Copyright (c) 2018, The Linux Foundation. All rights reserved.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
diff --git a/drivers/net/wireless/broadcom/brcm80211/Kconfig b/drivers/net/wireless/broadcom/brcm80211/Kconfig
index 9d99eb42d917..6acba67bca07 100644
--- a/drivers/net/wireless/broadcom/brcm80211/Kconfig
+++ b/drivers/net/wireless/broadcom/brcm80211/Kconfig
@@ -60,7 +60,6 @@ config BRCMFMAC_PCIE
 	bool "PCIE bus interface support for FullMAC driver"
 	depends on BRCMFMAC
 	depends on PCI
-	depends on HAS_DMA
 	select BRCMFMAC_PROTO_MSGBUF
 	select FW_LOADER
 	---help---
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
index c99a191e8d69..a907d7b065fa 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
@@ -4296,6 +4296,13 @@ void brcmf_sdio_remove(struct brcmf_sdio *bus)
 	brcmf_dbg(TRACE, "Enter\n");
 
 	if (bus) {
+		/* Stop watchdog task */
+		if (bus->watchdog_tsk) {
+			send_sig(SIGTERM, bus->watchdog_tsk, 1);
+			kthread_stop(bus->watchdog_tsk);
+			bus->watchdog_tsk = NULL;
+		}
+
 		/* De-register interrupt handler */
 		brcmf_sdiod_intr_unregister(bus->sdiodev);
 
diff --git a/drivers/net/wireless/marvell/mwifiex/usb.c b/drivers/net/wireless/marvell/mwifiex/usb.c
index 6e3cf9817730..88f4c89f89ba 100644
--- a/drivers/net/wireless/marvell/mwifiex/usb.c
+++ b/drivers/net/wireless/marvell/mwifiex/usb.c
@@ -644,11 +644,6 @@ static void mwifiex_usb_disconnect(struct usb_interface *intf)
 					 MWIFIEX_FUNC_SHUTDOWN);
 	}
 
-	if (adapter->workqueue)
-		flush_workqueue(adapter->workqueue);
-
-	mwifiex_usb_free(card);
-
 	mwifiex_dbg(adapter, FATAL,
 		    "%s: removing card\n", __func__);
 	mwifiex_remove_card(adapter);
@@ -1356,6 +1351,8 @@ static void mwifiex_unregister_dev(struct mwifiex_adapter *adapter)
 {
 	struct usb_card_rec *card = (struct usb_card_rec *)adapter->card;
 
+	mwifiex_usb_free(card);
+
 	mwifiex_usb_cleanup_tx_aggr(adapter);
 
 	card->adapter = NULL;
diff --git a/drivers/net/wireless/mediatek/mt7601u/phy.c b/drivers/net/wireless/mediatek/mt7601u/phy.c
index 9d2f9a776ef1..b804abd464ae 100644
--- a/drivers/net/wireless/mediatek/mt7601u/phy.c
+++ b/drivers/net/wireless/mediatek/mt7601u/phy.c
@@ -986,13 +986,15 @@ static void mt7601u_agc_tune(struct mt7601u_dev *dev)
 	 */
 	spin_lock_bh(&dev->con_mon_lock);
 	avg_rssi = ewma_rssi_read(&dev->avg_rssi);
-	WARN_ON_ONCE(avg_rssi == 0);
+	spin_unlock_bh(&dev->con_mon_lock);
+	if (avg_rssi == 0)
+		return;
+
 	avg_rssi = -avg_rssi;
 	if (avg_rssi <= -70)
 		val -= 0x20;
 	else if (avg_rssi <= -60)
 		val -= 0x10;
-	spin_unlock_bh(&dev->con_mon_lock);
 
 	if (val != mt7601u_bbp_rr(dev, 66))
 		mt7601u_bbp_wr(dev, 66, val);
diff --git a/drivers/net/wireless/quantenna/qtnfmac/Kconfig b/drivers/net/wireless/quantenna/qtnfmac/Kconfig
index 025fa6018550..8d1492a90bd1 100644
--- a/drivers/net/wireless/quantenna/qtnfmac/Kconfig
+++ b/drivers/net/wireless/quantenna/qtnfmac/Kconfig
@@ -7,7 +7,7 @@ config QTNFMAC
 config QTNFMAC_PEARL_PCIE
 	tristate "Quantenna QSR10g PCIe support"
 	default n
-	depends on HAS_DMA && PCI && CFG80211
+	depends on PCI && CFG80211
 	select QTNFMAC
 	select FW_LOADER
 	select CRC32
diff --git a/drivers/net/wireless/quantenna/qtnfmac/cfg80211.c b/drivers/net/wireless/quantenna/qtnfmac/cfg80211.c
index 220e2b710208..ae0ca8006849 100644
--- a/drivers/net/wireless/quantenna/qtnfmac/cfg80211.c
+++ b/drivers/net/wireless/quantenna/qtnfmac/cfg80211.c
@@ -654,8 +654,7 @@ qtnf_disconnect(struct wiphy *wiphy, struct net_device *dev,
 	vif = qtnf_mac_get_base_vif(mac);
 	if (!vif) {
 		pr_err("MAC%u: primary VIF is not configured\n", mac->macid);
-		ret = -EFAULT;
-		goto out;
+		return -EFAULT;
 	}
 
 	if (vif->wdev.iftype != NL80211_IFTYPE_STATION) {
diff --git a/drivers/net/wireless/realtek/rtlwifi/base.c b/drivers/net/wireless/realtek/rtlwifi/base.c
index 39c817eddd78..54c9f6ab0c8c 100644
--- a/drivers/net/wireless/realtek/rtlwifi/base.c
+++ b/drivers/net/wireless/realtek/rtlwifi/base.c
@@ -484,18 +484,21 @@ static void _rtl_init_deferred_work(struct ieee80211_hw *hw)
 
 }
 
-void rtl_deinit_deferred_work(struct ieee80211_hw *hw)
+void rtl_deinit_deferred_work(struct ieee80211_hw *hw, bool ips_wq)
 {
 	struct rtl_priv *rtlpriv = rtl_priv(hw);
 
 	del_timer_sync(&rtlpriv->works.watchdog_timer);
 
-	cancel_delayed_work(&rtlpriv->works.watchdog_wq);
-	cancel_delayed_work(&rtlpriv->works.ips_nic_off_wq);
-	cancel_delayed_work(&rtlpriv->works.ps_work);
-	cancel_delayed_work(&rtlpriv->works.ps_rfon_wq);
-	cancel_delayed_work(&rtlpriv->works.fwevt_wq);
-	cancel_delayed_work(&rtlpriv->works.c2hcmd_wq);
+	cancel_delayed_work_sync(&rtlpriv->works.watchdog_wq);
+	if (ips_wq)
+		cancel_delayed_work(&rtlpriv->works.ips_nic_off_wq);
+	else
+		cancel_delayed_work_sync(&rtlpriv->works.ips_nic_off_wq);
+	cancel_delayed_work_sync(&rtlpriv->works.ps_work);
+	cancel_delayed_work_sync(&rtlpriv->works.ps_rfon_wq);
+	cancel_delayed_work_sync(&rtlpriv->works.fwevt_wq);
+	cancel_delayed_work_sync(&rtlpriv->works.c2hcmd_wq);
 }
 EXPORT_SYMBOL_GPL(rtl_deinit_deferred_work);
 
diff --git a/drivers/net/wireless/realtek/rtlwifi/base.h b/drivers/net/wireless/realtek/rtlwifi/base.h
index 912f205779c3..a7ae40eaa3cd 100644
--- a/drivers/net/wireless/realtek/rtlwifi/base.h
+++ b/drivers/net/wireless/realtek/rtlwifi/base.h
@@ -121,7 +121,7 @@ void rtl_init_rfkill(struct ieee80211_hw *hw);
 void rtl_deinit_rfkill(struct ieee80211_hw *hw);
 
 void rtl_watch_dog_timer_callback(struct timer_list *t);
-void rtl_deinit_deferred_work(struct ieee80211_hw *hw);
+void rtl_deinit_deferred_work(struct ieee80211_hw *hw, bool ips_wq);
 
 bool rtl_action_proc(struct ieee80211_hw *hw, struct sk_buff *skb, u8 is_tx);
 int rtlwifi_rate_mapping(struct ieee80211_hw *hw, bool isht,
diff --git a/drivers/net/wireless/realtek/rtlwifi/core.c b/drivers/net/wireless/realtek/rtlwifi/core.c
index cfea57efa7f4..4bf7967590ca 100644
--- a/drivers/net/wireless/realtek/rtlwifi/core.c
+++ b/drivers/net/wireless/realtek/rtlwifi/core.c
@@ -130,7 +130,6 @@ found_alt:
 		       firmware->size);
 		rtlpriv->rtlhal.wowlan_fwsize = firmware->size;
 	}
-	rtlpriv->rtlhal.fwsize = firmware->size;
 	release_firmware(firmware);
 }
 
@@ -196,7 +195,7 @@ static void rtl_op_stop(struct ieee80211_hw *hw)
 		/* reset sec info */
 		rtl_cam_reset_sec_info(hw);
 
-		rtl_deinit_deferred_work(hw);
+		rtl_deinit_deferred_work(hw, false);
 	}
 	rtlpriv->intf_ops->adapter_stop(hw);
 
diff --git a/drivers/net/wireless/realtek/rtlwifi/pci.c b/drivers/net/wireless/realtek/rtlwifi/pci.c
index ae13bcfb3bf0..5d1fda16fc8c 100644
--- a/drivers/net/wireless/realtek/rtlwifi/pci.c
+++ b/drivers/net/wireless/realtek/rtlwifi/pci.c
@@ -2377,7 +2377,7 @@ void rtl_pci_disconnect(struct pci_dev *pdev)
 		ieee80211_unregister_hw(hw);
 		rtlmac->mac80211_registered = 0;
 	} else {
-		rtl_deinit_deferred_work(hw);
+		rtl_deinit_deferred_work(hw, false);
 		rtlpriv->intf_ops->adapter_stop(hw);
 	}
 	rtlpriv->cfg->ops->disable_interrupt(hw);
diff --git a/drivers/net/wireless/realtek/rtlwifi/ps.c b/drivers/net/wireless/realtek/rtlwifi/ps.c
index 71af24e2e051..479a4cfc245d 100644
--- a/drivers/net/wireless/realtek/rtlwifi/ps.c
+++ b/drivers/net/wireless/realtek/rtlwifi/ps.c
@@ -71,7 +71,7 @@ bool rtl_ps_disable_nic(struct ieee80211_hw *hw)
 	struct rtl_priv *rtlpriv = rtl_priv(hw);
 
 	/*<1> Stop all timer */
-	rtl_deinit_deferred_work(hw);
+	rtl_deinit_deferred_work(hw, true);
 
 	/*<2> Disable Interrupt */
 	rtlpriv->cfg->ops->disable_interrupt(hw);
@@ -292,7 +292,7 @@ void rtl_ips_nic_on(struct ieee80211_hw *hw)
 	struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
 	enum rf_pwrstate rtstate;
 
-	cancel_delayed_work(&rtlpriv->works.ips_nic_off_wq);
+	cancel_delayed_work_sync(&rtlpriv->works.ips_nic_off_wq);
 
 	mutex_lock(&rtlpriv->locks.ips_mutex);
 	if (ppsc->inactiveps) {
diff --git a/drivers/net/wireless/realtek/rtlwifi/usb.c b/drivers/net/wireless/realtek/rtlwifi/usb.c
index f9faffc498bc..2ac5004d7a40 100644
--- a/drivers/net/wireless/realtek/rtlwifi/usb.c
+++ b/drivers/net/wireless/realtek/rtlwifi/usb.c
@@ -1132,7 +1132,7 @@ void rtl_usb_disconnect(struct usb_interface *intf)
 		ieee80211_unregister_hw(hw);
 		rtlmac->mac80211_registered = 0;
 	} else {
-		rtl_deinit_deferred_work(hw);
+		rtl_deinit_deferred_work(hw, false);
 		rtlpriv->intf_ops->adapter_stop(hw);
 	}
 	/*deinit rfkill */
diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c
index 922ce0abf5cf..a57daecf1d57 100644
--- a/drivers/net/xen-netfront.c
+++ b/drivers/net/xen-netfront.c
@@ -1810,7 +1810,7 @@ static int talk_to_netback(struct xenbus_device *dev,
 	err = xen_net_read_mac(dev, info->netdev->dev_addr);
 	if (err) {
 		xenbus_dev_fatal(dev, err, "parsing %s/mac", dev->nodename);
-		goto out;
+		goto out_unlocked;
 	}
 
 	rtnl_lock();
@@ -1925,6 +1925,7 @@ abort_transaction_no_dev_fatal:
 	xennet_destroy_queues(info);
  out:
 	rtnl_unlock();
+out_unlocked:
 	device_unregister(&dev->dev);
 	return err;
 }
@@ -1950,10 +1951,6 @@ static int xennet_connect(struct net_device *dev)
 	/* talk_to_netback() sets the correct number of queues */
 	num_queues = dev->real_num_tx_queues;
 
-	rtnl_lock();
-	netdev_update_features(dev);
-	rtnl_unlock();
-
 	if (dev->reg_state == NETREG_UNINITIALIZED) {
 		err = register_netdev(dev);
 		if (err) {
@@ -1963,6 +1960,10 @@ static int xennet_connect(struct net_device *dev)
 		}
 	}
 
+	rtnl_lock();
+	netdev_update_features(dev);
+	rtnl_unlock();
+
 	/*
 	 * All public and private state should now be sane.  Get
 	 * ready to start sending and receiving packets and give the driver
diff --git a/drivers/nfc/pn533/usb.c b/drivers/nfc/pn533/usb.c
index d5553c47014f..5d823e965883 100644
--- a/drivers/nfc/pn533/usb.c
+++ b/drivers/nfc/pn533/usb.c
@@ -74,7 +74,7 @@ static void pn533_recv_response(struct urb *urb)
 	struct sk_buff *skb = NULL;
 
 	if (!urb->status) {
-		skb = alloc_skb(urb->actual_length, GFP_KERNEL);
+		skb = alloc_skb(urb->actual_length, GFP_ATOMIC);
 		if (!skb) {
 			nfc_err(&phy->udev->dev, "failed to alloc memory\n");
 		} else {
@@ -186,7 +186,7 @@ static int pn533_usb_send_frame(struct pn533 *dev,
 
 	if (dev->protocol_type == PN533_PROTO_REQ_RESP) {
 		/* request for response for sent packet directly */
-		rc = pn533_submit_urb_for_response(phy, GFP_ATOMIC);
+		rc = pn533_submit_urb_for_response(phy, GFP_KERNEL);
 		if (rc)
 			goto error;
 	} else if (dev->protocol_type == PN533_PROTO_REQ_ACK_RESP) {
diff --git a/drivers/nvdimm/claim.c b/drivers/nvdimm/claim.c
index 2e96b34bc936..fb667bf469c7 100644
--- a/drivers/nvdimm/claim.c
+++ b/drivers/nvdimm/claim.c
@@ -278,6 +278,7 @@ static int nsio_rw_bytes(struct nd_namespace_common *ndns,
 			return -EIO;
 		if (memcpy_mcsafe(buf, nsio->addr + offset, size) != 0)
 			return -EIO;
+		return 0;
 	}
 
 	if (unlikely(is_bad_pmem(&nsio->bb, sector, sz_align))) {
diff --git a/drivers/nvdimm/pmem.c b/drivers/nvdimm/pmem.c
index 68940356cad3..8b1fd7f1a224 100644
--- a/drivers/nvdimm/pmem.c
+++ b/drivers/nvdimm/pmem.c
@@ -414,7 +414,8 @@ static int pmem_attach_disk(struct device *dev,
 	blk_queue_logical_block_size(q, pmem_sector_size(ndns));
 	blk_queue_max_hw_sectors(q, UINT_MAX);
 	blk_queue_flag_set(QUEUE_FLAG_NONROT, q);
-	blk_queue_flag_set(QUEUE_FLAG_DAX, q);
+	if (pmem->pfn_flags & PFN_MAP)
+		blk_queue_flag_set(QUEUE_FLAG_DAX, q);
 	q->queuedata = pmem;
 
 	disk = alloc_disk_node(0, nid);
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index 21710a7460c8..bf65501e6ed6 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -100,6 +100,22 @@ static struct class *nvme_subsys_class;
 static void nvme_ns_remove(struct nvme_ns *ns);
 static int nvme_revalidate_disk(struct gendisk *disk);
 static void nvme_put_subsystem(struct nvme_subsystem *subsys);
+static void nvme_remove_invalid_namespaces(struct nvme_ctrl *ctrl,
+					   unsigned nsid);
+
+static void nvme_set_queue_dying(struct nvme_ns *ns)
+{
+	/*
+	 * Revalidating a dead namespace sets capacity to 0. This will end
+	 * buffered writers dirtying pages that can't be synced.
+	 */
+	if (!ns->disk || test_and_set_bit(NVME_NS_DEAD, &ns->flags))
+		return;
+	revalidate_disk(ns->disk);
+	blk_set_queue_dying(ns->queue);
+	/* Forcibly unquiesce queues to avoid blocking dispatch */
+	blk_mq_unquiesce_queue(ns->queue);
+}
 
 static void nvme_queue_scan(struct nvme_ctrl *ctrl)
 {
@@ -1044,14 +1060,17 @@ EXPORT_SYMBOL_GPL(nvme_set_queue_count);
 
 static void nvme_enable_aen(struct nvme_ctrl *ctrl)
 {
-	u32 result;
+	u32 result, supported_aens = ctrl->oaes & NVME_AEN_SUPPORTED;
 	int status;
 
-	status = nvme_set_features(ctrl, NVME_FEAT_ASYNC_EVENT,
-			ctrl->oaes & NVME_AEN_SUPPORTED, NULL, 0, &result);
+	if (!supported_aens)
+		return;
+
+	status = nvme_set_features(ctrl, NVME_FEAT_ASYNC_EVENT, supported_aens,
+			NULL, 0, &result);
 	if (status)
 		dev_warn(ctrl->device, "Failed to configure AEN (cfg %x)\n",
-			 ctrl->oaes & NVME_AEN_SUPPORTED);
+			 supported_aens);
 }
 
 static int nvme_submit_io(struct nvme_ns *ns, struct nvme_user_io __user *uio)
@@ -1151,19 +1170,15 @@ static u32 nvme_passthru_start(struct nvme_ctrl *ctrl, struct nvme_ns *ns,
 
 static void nvme_update_formats(struct nvme_ctrl *ctrl)
 {
-	struct nvme_ns *ns, *next;
-	LIST_HEAD(rm_list);
+	struct nvme_ns *ns;
 
-	down_write(&ctrl->namespaces_rwsem);
-	list_for_each_entry(ns, &ctrl->namespaces, list) {
-		if (ns->disk && nvme_revalidate_disk(ns->disk)) {
-			list_move_tail(&ns->list, &rm_list);
-		}
-	}
-	up_write(&ctrl->namespaces_rwsem);
+	down_read(&ctrl->namespaces_rwsem);
+	list_for_each_entry(ns, &ctrl->namespaces, list)
+		if (ns->disk && nvme_revalidate_disk(ns->disk))
+			nvme_set_queue_dying(ns);
+	up_read(&ctrl->namespaces_rwsem);
 
-	list_for_each_entry_safe(ns, next, &rm_list, list)
-		nvme_ns_remove(ns);
+	nvme_remove_invalid_namespaces(ctrl, NVME_NSID_ALL);
 }
 
 static void nvme_passthru_end(struct nvme_ctrl *ctrl, u32 effects)
@@ -1218,7 +1233,7 @@ static int nvme_user_cmd(struct nvme_ctrl *ctrl, struct nvme_ns *ns,
 	effects = nvme_passthru_start(ctrl, ns, cmd.opcode);
 	status = nvme_submit_user_cmd(ns ? ns->queue : ctrl->admin_q, &c,
 			(void __user *)(uintptr_t)cmd.addr, cmd.data_len,
-			(void __user *)(uintptr_t)cmd.metadata, cmd.metadata,
+			(void __user *)(uintptr_t)cmd.metadata, cmd.metadata_len,
 			0, &cmd.result, timeout);
 	nvme_passthru_end(ctrl, effects);
 
@@ -1808,6 +1823,7 @@ static void nvme_set_queue_limits(struct nvme_ctrl *ctrl,
 		u32 max_segments =
 			(ctrl->max_hw_sectors / (ctrl->page_size >> 9)) + 1;
 
+		max_segments = min_not_zero(max_segments, ctrl->max_segments);
 		blk_queue_max_hw_sectors(q, ctrl->max_hw_sectors);
 		blk_queue_max_segments(q, min_t(u32, max_segments, USHRT_MAX));
 	}
@@ -3137,7 +3153,7 @@ static void nvme_remove_invalid_namespaces(struct nvme_ctrl *ctrl,
 
 	down_write(&ctrl->namespaces_rwsem);
 	list_for_each_entry_safe(ns, next, &ctrl->namespaces, list) {
-		if (ns->head->ns_id > nsid)
+		if (ns->head->ns_id > nsid || test_bit(NVME_NS_DEAD, &ns->flags))
 			list_move_tail(&ns->list, &rm_list);
 	}
 	up_write(&ctrl->namespaces_rwsem);
@@ -3541,19 +3557,9 @@ void nvme_kill_queues(struct nvme_ctrl *ctrl)
 	if (ctrl->admin_q)
 		blk_mq_unquiesce_queue(ctrl->admin_q);
 
-	list_for_each_entry(ns, &ctrl->namespaces, list) {
-		/*
-		 * Revalidating a dead namespace sets capacity to 0. This will
-		 * end buffered writers dirtying pages that can't be synced.
-		 */
-		if (!ns->disk || test_and_set_bit(NVME_NS_DEAD, &ns->flags))
-			continue;
-		revalidate_disk(ns->disk);
-		blk_set_queue_dying(ns->queue);
+	list_for_each_entry(ns, &ctrl->namespaces, list)
+		nvme_set_queue_dying(ns);
 
-		/* Forcibly unquiesce queues to avoid blocking dispatch */
-		blk_mq_unquiesce_queue(ns->queue);
-	}
 	up_read(&ctrl->namespaces_rwsem);
 }
 EXPORT_SYMBOL_GPL(nvme_kill_queues);
diff --git a/drivers/nvme/host/fabrics.c b/drivers/nvme/host/fabrics.c
index 903eb4545e26..f7efe5a58cc7 100644
--- a/drivers/nvme/host/fabrics.c
+++ b/drivers/nvme/host/fabrics.c
@@ -539,14 +539,18 @@ static struct nvmf_transport_ops *nvmf_lookup_transport(
 /*
  * For something we're not in a state to send to the device the default action
  * is to busy it and retry it after the controller state is recovered.  However,
- * anything marked for failfast or nvme multipath is immediately failed.
+ * if the controller is deleting or if anything is marked for failfast or
+ * nvme multipath it is immediately failed.
  *
  * Note: commands used to initialize the controller will be marked for failfast.
  * Note: nvme cli/ioctl commands are marked for failfast.
  */
-blk_status_t nvmf_fail_nonready_command(struct request *rq)
+blk_status_t nvmf_fail_nonready_command(struct nvme_ctrl *ctrl,
+		struct request *rq)
 {
-	if (!blk_noretry_request(rq) && !(rq->cmd_flags & REQ_NVME_MPATH))
+	if (ctrl->state != NVME_CTRL_DELETING &&
+	    ctrl->state != NVME_CTRL_DEAD &&
+	    !blk_noretry_request(rq) && !(rq->cmd_flags & REQ_NVME_MPATH))
 		return BLK_STS_RESOURCE;
 	nvme_req(rq)->status = NVME_SC_ABORT_REQ;
 	return BLK_STS_IOERR;
diff --git a/drivers/nvme/host/fabrics.h b/drivers/nvme/host/fabrics.h
index e1818a27aa2d..aa2fdb2a2e8f 100644
--- a/drivers/nvme/host/fabrics.h
+++ b/drivers/nvme/host/fabrics.h
@@ -162,7 +162,8 @@ void nvmf_unregister_transport(struct nvmf_transport_ops *ops);
 void nvmf_free_options(struct nvmf_ctrl_options *opts);
 int nvmf_get_address(struct nvme_ctrl *ctrl, char *buf, int size);
 bool nvmf_should_reconnect(struct nvme_ctrl *ctrl);
-blk_status_t nvmf_fail_nonready_command(struct request *rq);
+blk_status_t nvmf_fail_nonready_command(struct nvme_ctrl *ctrl,
+		struct request *rq);
 bool __nvmf_check_ready(struct nvme_ctrl *ctrl, struct request *rq,
 		bool queue_live);
 
diff --git a/drivers/nvme/host/fc.c b/drivers/nvme/host/fc.c
index b528a2f5826c..9bac912173ba 100644
--- a/drivers/nvme/host/fc.c
+++ b/drivers/nvme/host/fc.c
@@ -2272,7 +2272,7 @@ nvme_fc_queue_rq(struct blk_mq_hw_ctx *hctx,
 
 	if (ctrl->rport->remoteport.port_state != FC_OBJSTATE_ONLINE ||
 	    !nvmf_check_ready(&queue->ctrl->ctrl, rq, queue_ready))
-		return nvmf_fail_nonready_command(rq);
+		return nvmf_fail_nonready_command(&queue->ctrl->ctrl, rq);
 
 	ret = nvme_setup_cmd(ns, rq, sqe);
 	if (ret)
@@ -2790,6 +2790,9 @@ nvme_fc_delete_association(struct nvme_fc_ctrl *ctrl)
 	/* re-enable the admin_q so anything new can fast fail */
 	blk_mq_unquiesce_queue(ctrl->ctrl.admin_q);
 
+	/* resume the io queues so that things will fast fail */
+	nvme_start_queues(&ctrl->ctrl);
+
 	nvme_fc_ctlr_inactive_on_rport(ctrl);
 }
 
@@ -2804,9 +2807,6 @@ nvme_fc_delete_ctrl(struct nvme_ctrl *nctrl)
 	 * waiting for io to terminate
 	 */
 	nvme_fc_delete_association(ctrl);
-
-	/* resume the io queues so that things will fast fail */
-	nvme_start_queues(nctrl);
 }
 
 static void
diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h
index 231807cbc849..0c4a33df3b2f 100644
--- a/drivers/nvme/host/nvme.h
+++ b/drivers/nvme/host/nvme.h
@@ -170,6 +170,7 @@ struct nvme_ctrl {
 	u64 cap;
 	u32 page_size;
 	u32 max_hw_sectors;
+	u32 max_segments;
 	u16 oncs;
 	u16 oacs;
 	u16 nssa;
diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c
index fc33804662e7..ddd441b1516a 100644
--- a/drivers/nvme/host/pci.c
+++ b/drivers/nvme/host/pci.c
@@ -38,6 +38,13 @@
 
 #define SGES_PER_PAGE	(PAGE_SIZE / sizeof(struct nvme_sgl_desc))
 
+/*
+ * These can be higher, but we need to ensure that any command doesn't
+ * require an sg allocation that needs more than a page of data.
+ */
+#define NVME_MAX_KB_SZ	4096
+#define NVME_MAX_SEGS	127
+
 static int use_threaded_interrupts;
 module_param(use_threaded_interrupts, int, 0);
 
@@ -100,6 +107,8 @@ struct nvme_dev {
 	struct nvme_ctrl ctrl;
 	struct completion ioq_wait;
 
+	mempool_t *iod_mempool;
+
 	/* shadow doorbell buffer support: */
 	u32 *dbbuf_dbs;
 	dma_addr_t dbbuf_dbs_dma_addr;
@@ -477,10 +486,7 @@ static blk_status_t nvme_init_iod(struct request *rq, struct nvme_dev *dev)
 	iod->use_sgl = nvme_pci_use_sgls(dev, rq);
 
 	if (nseg > NVME_INT_PAGES || size > NVME_INT_BYTES(dev)) {
-		size_t alloc_size = nvme_pci_iod_alloc_size(dev, size, nseg,
-				iod->use_sgl);
-
-		iod->sg = kmalloc(alloc_size, GFP_ATOMIC);
+		iod->sg = mempool_alloc(dev->iod_mempool, GFP_ATOMIC);
 		if (!iod->sg)
 			return BLK_STS_RESOURCE;
 	} else {
@@ -526,7 +532,7 @@ static void nvme_free_iod(struct nvme_dev *dev, struct request *req)
 	}
 
 	if (iod->sg != iod->inline_sg)
-		kfree(iod->sg);
+		mempool_free(iod->sg, dev->iod_mempool);
 }
 
 #ifdef CONFIG_BLK_DEV_INTEGRITY
@@ -2280,6 +2286,7 @@ static void nvme_pci_free_ctrl(struct nvme_ctrl *ctrl)
 		blk_put_queue(dev->ctrl.admin_q);
 	kfree(dev->queues);
 	free_opal_dev(dev->ctrl.opal_dev);
+	mempool_destroy(dev->iod_mempool);
 	kfree(dev);
 }
 
@@ -2289,6 +2296,7 @@ static void nvme_remove_dead_ctrl(struct nvme_dev *dev, int status)
 
 	nvme_get_ctrl(&dev->ctrl);
 	nvme_dev_disable(dev, false);
+	nvme_kill_queues(&dev->ctrl);
 	if (!queue_work(nvme_wq, &dev->remove_work))
 		nvme_put_ctrl(&dev->ctrl);
 }
@@ -2333,6 +2341,13 @@ static void nvme_reset_work(struct work_struct *work)
 	if (result)
 		goto out;
 
+	/*
+	 * Limit the max command size to prevent iod->sg allocations going
+	 * over a single page.
+	 */
+	dev->ctrl.max_hw_sectors = NVME_MAX_KB_SZ << 1;
+	dev->ctrl.max_segments = NVME_MAX_SEGS;
+
 	result = nvme_init_identify(&dev->ctrl);
 	if (result)
 		goto out;
@@ -2405,7 +2420,6 @@ static void nvme_remove_dead_ctrl_work(struct work_struct *work)
 	struct nvme_dev *dev = container_of(work, struct nvme_dev, remove_work);
 	struct pci_dev *pdev = to_pci_dev(dev->dev);
 
-	nvme_kill_queues(&dev->ctrl);
 	if (pci_get_drvdata(pdev))
 		device_release_driver(&pdev->dev);
 	nvme_put_ctrl(&dev->ctrl);
@@ -2509,6 +2523,7 @@ static int nvme_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 	int node, result = -ENOMEM;
 	struct nvme_dev *dev;
 	unsigned long quirks = id->driver_data;
+	size_t alloc_size;
 
 	node = dev_to_node(&pdev->dev);
 	if (node == NUMA_NO_NODE)
@@ -2541,10 +2556,27 @@ static int nvme_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 
 	quirks |= check_vendor_combination_bug(pdev);
 
+	/*
+	 * Double check that our mempool alloc size will cover the biggest
+	 * command we support.
+	 */
+	alloc_size = nvme_pci_iod_alloc_size(dev, NVME_MAX_KB_SZ,
+						NVME_MAX_SEGS, true);
+	WARN_ON_ONCE(alloc_size > PAGE_SIZE);
+
+	dev->iod_mempool = mempool_create_node(1, mempool_kmalloc,
+						mempool_kfree,
+						(void *) alloc_size,
+						GFP_KERNEL, node);
+	if (!dev->iod_mempool) {
+		result = -ENOMEM;
+		goto release_pools;
+	}
+
 	result = nvme_init_ctrl(&dev->ctrl, &pdev->dev, &nvme_pci_ctrl_ops,
 			quirks);
 	if (result)
-		goto release_pools;
+		goto release_mempool;
 
 	dev_info(dev->ctrl.device, "pci function %s\n", dev_name(&pdev->dev));
 
@@ -2553,6 +2585,8 @@ static int nvme_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 
 	return 0;
 
+ release_mempool:
+	mempool_destroy(dev->iod_mempool);
  release_pools:
 	nvme_release_prp_pools(dev);
  unmap:
diff --git a/drivers/nvme/host/rdma.c b/drivers/nvme/host/rdma.c
index c9424da0d23e..66ec5985c9f3 100644
--- a/drivers/nvme/host/rdma.c
+++ b/drivers/nvme/host/rdma.c
@@ -560,12 +560,6 @@ static void nvme_rdma_free_queue(struct nvme_rdma_queue *queue)
 	if (!test_and_clear_bit(NVME_RDMA_Q_ALLOCATED, &queue->flags))
 		return;
 
-	if (nvme_rdma_queue_idx(queue) == 0) {
-		nvme_rdma_free_qe(queue->device->dev,
-			&queue->ctrl->async_event_sqe,
-			sizeof(struct nvme_command), DMA_TO_DEVICE);
-	}
-
 	nvme_rdma_destroy_queue_ib(queue);
 	rdma_destroy_id(queue->cm_id);
 }
@@ -698,7 +692,7 @@ static struct blk_mq_tag_set *nvme_rdma_alloc_tagset(struct nvme_ctrl *nctrl,
 		set = &ctrl->tag_set;
 		memset(set, 0, sizeof(*set));
 		set->ops = &nvme_rdma_mq_ops;
-		set->queue_depth = nctrl->opts->queue_size;
+		set->queue_depth = nctrl->sqsize + 1;
 		set->reserved_tags = 1; /* fabric connect */
 		set->numa_node = NUMA_NO_NODE;
 		set->flags = BLK_MQ_F_SHOULD_MERGE;
@@ -734,11 +728,15 @@ out:
 static void nvme_rdma_destroy_admin_queue(struct nvme_rdma_ctrl *ctrl,
 		bool remove)
 {
-	nvme_rdma_stop_queue(&ctrl->queues[0]);
 	if (remove) {
 		blk_cleanup_queue(ctrl->ctrl.admin_q);
 		nvme_rdma_free_tagset(&ctrl->ctrl, ctrl->ctrl.admin_tagset);
 	}
+	if (ctrl->async_event_sqe.data) {
+		nvme_rdma_free_qe(ctrl->device->dev, &ctrl->async_event_sqe,
+				sizeof(struct nvme_command), DMA_TO_DEVICE);
+		ctrl->async_event_sqe.data = NULL;
+	}
 	nvme_rdma_free_queue(&ctrl->queues[0]);
 }
 
@@ -755,11 +753,16 @@ static int nvme_rdma_configure_admin_queue(struct nvme_rdma_ctrl *ctrl,
 
 	ctrl->max_fr_pages = nvme_rdma_get_max_fr_pages(ctrl->device->dev);
 
+	error = nvme_rdma_alloc_qe(ctrl->device->dev, &ctrl->async_event_sqe,
+			sizeof(struct nvme_command), DMA_TO_DEVICE);
+	if (error)
+		goto out_free_queue;
+
 	if (new) {
 		ctrl->ctrl.admin_tagset = nvme_rdma_alloc_tagset(&ctrl->ctrl, true);
 		if (IS_ERR(ctrl->ctrl.admin_tagset)) {
 			error = PTR_ERR(ctrl->ctrl.admin_tagset);
-			goto out_free_queue;
+			goto out_free_async_qe;
 		}
 
 		ctrl->ctrl.admin_q = blk_mq_init_queue(&ctrl->admin_tag_set);
@@ -795,12 +798,6 @@ static int nvme_rdma_configure_admin_queue(struct nvme_rdma_ctrl *ctrl,
 	if (error)
 		goto out_stop_queue;
 
-	error = nvme_rdma_alloc_qe(ctrl->queues[0].device->dev,
-			&ctrl->async_event_sqe, sizeof(struct nvme_command),
-			DMA_TO_DEVICE);
-	if (error)
-		goto out_stop_queue;
-
 	return 0;
 
 out_stop_queue:
@@ -811,6 +808,9 @@ out_cleanup_queue:
 out_free_tagset:
 	if (new)
 		nvme_rdma_free_tagset(&ctrl->ctrl, ctrl->ctrl.admin_tagset);
+out_free_async_qe:
+	nvme_rdma_free_qe(ctrl->device->dev, &ctrl->async_event_sqe,
+		sizeof(struct nvme_command), DMA_TO_DEVICE);
 out_free_queue:
 	nvme_rdma_free_queue(&ctrl->queues[0]);
 	return error;
@@ -819,7 +819,6 @@ out_free_queue:
 static void nvme_rdma_destroy_io_queues(struct nvme_rdma_ctrl *ctrl,
 		bool remove)
 {
-	nvme_rdma_stop_io_queues(ctrl);
 	if (remove) {
 		blk_cleanup_queue(ctrl->ctrl.connect_q);
 		nvme_rdma_free_tagset(&ctrl->ctrl, ctrl->ctrl.tagset);
@@ -888,9 +887,9 @@ static void nvme_rdma_free_ctrl(struct nvme_ctrl *nctrl)
 	list_del(&ctrl->list);
 	mutex_unlock(&nvme_rdma_ctrl_mutex);
 
-	kfree(ctrl->queues);
 	nvmf_free_options(nctrl->opts);
 free_ctrl:
+	kfree(ctrl->queues);
 	kfree(ctrl);
 }
 
@@ -949,6 +948,7 @@ static void nvme_rdma_reconnect_ctrl_work(struct work_struct *work)
 	return;
 
 destroy_admin:
+	nvme_rdma_stop_queue(&ctrl->queues[0]);
 	nvme_rdma_destroy_admin_queue(ctrl, false);
 requeue:
 	dev_info(ctrl->ctrl.device, "Failed reconnect attempt %d\n",
@@ -965,12 +965,14 @@ static void nvme_rdma_error_recovery_work(struct work_struct *work)
 
 	if (ctrl->ctrl.queue_count > 1) {
 		nvme_stop_queues(&ctrl->ctrl);
+		nvme_rdma_stop_io_queues(ctrl);
 		blk_mq_tagset_busy_iter(&ctrl->tag_set,
 					nvme_cancel_request, &ctrl->ctrl);
 		nvme_rdma_destroy_io_queues(ctrl, false);
 	}
 
 	blk_mq_quiesce_queue(ctrl->ctrl.admin_q);
+	nvme_rdma_stop_queue(&ctrl->queues[0]);
 	blk_mq_tagset_busy_iter(&ctrl->admin_tag_set,
 				nvme_cancel_request, &ctrl->ctrl);
 	nvme_rdma_destroy_admin_queue(ctrl, false);
@@ -1637,7 +1639,7 @@ static blk_status_t nvme_rdma_queue_rq(struct blk_mq_hw_ctx *hctx,
 	WARN_ON_ONCE(rq->tag < 0);
 
 	if (!nvmf_check_ready(&queue->ctrl->ctrl, rq, queue_ready))
-		return nvmf_fail_nonready_command(rq);
+		return nvmf_fail_nonready_command(&queue->ctrl->ctrl, rq);
 
 	dev = queue->device->dev;
 	ib_dma_sync_single_for_cpu(dev, sqe->dma,
@@ -1736,6 +1738,7 @@ static void nvme_rdma_shutdown_ctrl(struct nvme_rdma_ctrl *ctrl, bool shutdown)
 {
 	if (ctrl->ctrl.queue_count > 1) {
 		nvme_stop_queues(&ctrl->ctrl);
+		nvme_rdma_stop_io_queues(ctrl);
 		blk_mq_tagset_busy_iter(&ctrl->tag_set,
 					nvme_cancel_request, &ctrl->ctrl);
 		nvme_rdma_destroy_io_queues(ctrl, shutdown);
@@ -1747,6 +1750,7 @@ static void nvme_rdma_shutdown_ctrl(struct nvme_rdma_ctrl *ctrl, bool shutdown)
 		nvme_disable_ctrl(&ctrl->ctrl, ctrl->ctrl.cap);
 
 	blk_mq_quiesce_queue(ctrl->ctrl.admin_q);
+	nvme_rdma_stop_queue(&ctrl->queues[0]);
 	blk_mq_tagset_busy_iter(&ctrl->admin_tag_set,
 				nvme_cancel_request, &ctrl->ctrl);
 	blk_mq_unquiesce_queue(ctrl->ctrl.admin_q);
@@ -1932,11 +1936,6 @@ static struct nvme_ctrl *nvme_rdma_create_ctrl(struct device *dev,
 		goto out_free_ctrl;
 	}
 
-	ret = nvme_init_ctrl(&ctrl->ctrl, dev, &nvme_rdma_ctrl_ops,
-				0 /* no quirks, we're perfect! */);
-	if (ret)
-		goto out_free_ctrl;
-
 	INIT_DELAYED_WORK(&ctrl->reconnect_work,
 			nvme_rdma_reconnect_ctrl_work);
 	INIT_WORK(&ctrl->err_work, nvme_rdma_error_recovery_work);
@@ -1950,14 +1949,19 @@ static struct nvme_ctrl *nvme_rdma_create_ctrl(struct device *dev,
 	ctrl->queues = kcalloc(ctrl->ctrl.queue_count, sizeof(*ctrl->queues),
 				GFP_KERNEL);
 	if (!ctrl->queues)
-		goto out_uninit_ctrl;
+		goto out_free_ctrl;
+
+	ret = nvme_init_ctrl(&ctrl->ctrl, dev, &nvme_rdma_ctrl_ops,
+				0 /* no quirks, we're perfect! */);
+	if (ret)
+		goto out_kfree_queues;
 
 	changed = nvme_change_ctrl_state(&ctrl->ctrl, NVME_CTRL_CONNECTING);
 	WARN_ON_ONCE(!changed);
 
 	ret = nvme_rdma_configure_admin_queue(ctrl, true);
 	if (ret)
-		goto out_kfree_queues;
+		goto out_uninit_ctrl;
 
 	/* sanity check icdoff */
 	if (ctrl->ctrl.icdoff) {
@@ -1974,20 +1978,19 @@ static struct nvme_ctrl *nvme_rdma_create_ctrl(struct device *dev,
 		goto out_remove_admin_queue;
 	}
 
-	if (opts->queue_size > ctrl->ctrl.maxcmd) {
-		/* warn if maxcmd is lower than queue_size */
-		dev_warn(ctrl->ctrl.device,
-			"queue_size %zu > ctrl maxcmd %u, clamping down\n",
-			opts->queue_size, ctrl->ctrl.maxcmd);
-		opts->queue_size = ctrl->ctrl.maxcmd;
-	}
-
+	/* only warn if argument is too large here, will clamp later */
 	if (opts->queue_size > ctrl->ctrl.sqsize + 1) {
-		/* warn if sqsize is lower than queue_size */
 		dev_warn(ctrl->ctrl.device,
 			"queue_size %zu > ctrl sqsize %u, clamping down\n",
 			opts->queue_size, ctrl->ctrl.sqsize + 1);
-		opts->queue_size = ctrl->ctrl.sqsize + 1;
+	}
+
+	/* warn if maxcmd is lower than sqsize+1 */
+	if (ctrl->ctrl.sqsize + 1 > ctrl->ctrl.maxcmd) {
+		dev_warn(ctrl->ctrl.device,
+			"sqsize %u > ctrl maxcmd %u, clamping down\n",
+			ctrl->ctrl.sqsize + 1, ctrl->ctrl.maxcmd);
+		ctrl->ctrl.sqsize = ctrl->ctrl.maxcmd - 1;
 	}
 
 	if (opts->nr_io_queues) {
@@ -2013,15 +2016,16 @@ static struct nvme_ctrl *nvme_rdma_create_ctrl(struct device *dev,
 	return &ctrl->ctrl;
 
 out_remove_admin_queue:
+	nvme_rdma_stop_queue(&ctrl->queues[0]);
 	nvme_rdma_destroy_admin_queue(ctrl, true);
-out_kfree_queues:
-	kfree(ctrl->queues);
 out_uninit_ctrl:
 	nvme_uninit_ctrl(&ctrl->ctrl);
 	nvme_put_ctrl(&ctrl->ctrl);
 	if (ret > 0)
 		ret = -EIO;
 	return ERR_PTR(ret);
+out_kfree_queues:
+	kfree(ctrl->queues);
 out_free_ctrl:
 	kfree(ctrl);
 	return ERR_PTR(ret);
diff --git a/drivers/nvme/target/configfs.c b/drivers/nvme/target/configfs.c
index d3f3b3ec4d1a..ebea1373d1b7 100644
--- a/drivers/nvme/target/configfs.c
+++ b/drivers/nvme/target/configfs.c
@@ -282,6 +282,7 @@ static ssize_t nvmet_ns_device_path_store(struct config_item *item,
 {
 	struct nvmet_ns *ns = to_nvmet_ns(item);
 	struct nvmet_subsys *subsys = ns->subsys;
+	size_t len;
 	int ret;
 
 	mutex_lock(&subsys->lock);
@@ -289,10 +290,14 @@ static ssize_t nvmet_ns_device_path_store(struct config_item *item,
 	if (ns->enabled)
 		goto out_unlock;
 
-	kfree(ns->device_path);
+	ret = -EINVAL;
+	len = strcspn(page, "\n");
+	if (!len)
+		goto out_unlock;
 
+	kfree(ns->device_path);
 	ret = -ENOMEM;
-	ns->device_path = kstrndup(page, strcspn(page, "\n"), GFP_KERNEL);
+	ns->device_path = kstrndup(page, len, GFP_KERNEL);
 	if (!ns->device_path)
 		goto out_unlock;
 
diff --git a/drivers/nvme/target/core.c b/drivers/nvme/target/core.c
index a03da764ecae..9838103f2d62 100644
--- a/drivers/nvme/target/core.c
+++ b/drivers/nvme/target/core.c
@@ -339,7 +339,7 @@ int nvmet_ns_enable(struct nvmet_ns *ns)
 		goto out_unlock;
 
 	ret = nvmet_bdev_ns_enable(ns);
-	if (ret)
+	if (ret == -ENOTBLK)
 		ret = nvmet_file_ns_enable(ns);
 	if (ret)
 		goto out_unlock;
@@ -686,6 +686,14 @@ static void nvmet_start_ctrl(struct nvmet_ctrl *ctrl)
 	}
 
 	ctrl->csts = NVME_CSTS_RDY;
+
+	/*
+	 * Controllers that are not yet enabled should not really enforce the
+	 * keep alive timeout, but we still want to track a timeout and cleanup
+	 * in case a host died before it enabled the controller.  Hence, simply
+	 * reset the keep alive timer when the controller is enabled.
+	 */
+	mod_delayed_work(system_wq, &ctrl->ka_work, ctrl->kato * HZ);
 }
 
 static void nvmet_clear_ctrl(struct nvmet_ctrl *ctrl)
diff --git a/drivers/nvme/target/fc.c b/drivers/nvme/target/fc.c
index 408279cb6f2c..29b4b236afd8 100644
--- a/drivers/nvme/target/fc.c
+++ b/drivers/nvme/target/fc.c
@@ -58,8 +58,8 @@ struct nvmet_fc_ls_iod {
 	struct work_struct		work;
 } __aligned(sizeof(unsigned long long));
 
+/* desired maximum for a single sequence - if sg list allows it */
 #define NVMET_FC_MAX_SEQ_LENGTH		(256 * 1024)
-#define NVMET_FC_MAX_XFR_SGENTS		(NVMET_FC_MAX_SEQ_LENGTH / PAGE_SIZE)
 
 enum nvmet_fcp_datadir {
 	NVMET_FCP_NODATA,
@@ -74,6 +74,7 @@ struct nvmet_fc_fcp_iod {
 	struct nvme_fc_cmd_iu		cmdiubuf;
 	struct nvme_fc_ersp_iu		rspiubuf;
 	dma_addr_t			rspdma;
+	struct scatterlist		*next_sg;
 	struct scatterlist		*data_sg;
 	int				data_sg_cnt;
 	u32				offset;
@@ -1025,8 +1026,7 @@ nvmet_fc_register_targetport(struct nvmet_fc_port_info *pinfo,
 	INIT_LIST_HEAD(&newrec->assoc_list);
 	kref_init(&newrec->ref);
 	ida_init(&newrec->assoc_cnt);
-	newrec->max_sg_cnt = min_t(u32, NVMET_FC_MAX_XFR_SGENTS,
-					template->max_sgl_segments);
+	newrec->max_sg_cnt = template->max_sgl_segments;
 
 	ret = nvmet_fc_alloc_ls_iodlist(newrec);
 	if (ret) {
@@ -1722,6 +1722,7 @@ nvmet_fc_alloc_tgt_pgs(struct nvmet_fc_fcp_iod *fod)
 				((fod->io_dir == NVMET_FCP_WRITE) ?
 					DMA_FROM_DEVICE : DMA_TO_DEVICE));
 				/* note: write from initiator perspective */
+	fod->next_sg = fod->data_sg;
 
 	return 0;
 
@@ -1866,24 +1867,49 @@ nvmet_fc_transfer_fcp_data(struct nvmet_fc_tgtport *tgtport,
 				struct nvmet_fc_fcp_iod *fod, u8 op)
 {
 	struct nvmefc_tgt_fcp_req *fcpreq = fod->fcpreq;
+	struct scatterlist *sg = fod->next_sg;
 	unsigned long flags;
-	u32 tlen;
+	u32 remaininglen = fod->req.transfer_len - fod->offset;
+	u32 tlen = 0;
 	int ret;
 
 	fcpreq->op = op;
 	fcpreq->offset = fod->offset;
 	fcpreq->timeout = NVME_FC_TGTOP_TIMEOUT_SEC;
 
-	tlen = min_t(u32, tgtport->max_sg_cnt * PAGE_SIZE,
-			(fod->req.transfer_len - fod->offset));
+	/*
+	 * for next sequence:
+	 *  break at a sg element boundary
+	 *  attempt to keep sequence length capped at
+	 *    NVMET_FC_MAX_SEQ_LENGTH but allow sequence to
+	 *    be longer if a single sg element is larger
+	 *    than that amount. This is done to avoid creating
+	 *    a new sg list to use for the tgtport api.
+	 */
+	fcpreq->sg = sg;
+	fcpreq->sg_cnt = 0;
+	while (tlen < remaininglen &&
+	       fcpreq->sg_cnt < tgtport->max_sg_cnt &&
+	       tlen + sg_dma_len(sg) < NVMET_FC_MAX_SEQ_LENGTH) {
+		fcpreq->sg_cnt++;
+		tlen += sg_dma_len(sg);
+		sg = sg_next(sg);
+	}
+	if (tlen < remaininglen && fcpreq->sg_cnt == 0) {
+		fcpreq->sg_cnt++;
+		tlen += min_t(u32, sg_dma_len(sg), remaininglen);
+		sg = sg_next(sg);
+	}
+	if (tlen < remaininglen)
+		fod->next_sg = sg;
+	else
+		fod->next_sg = NULL;
+
 	fcpreq->transfer_length = tlen;
 	fcpreq->transferred_length = 0;
 	fcpreq->fcp_error = 0;
 	fcpreq->rsplen = 0;
 
-	fcpreq->sg = &fod->data_sg[fod->offset / PAGE_SIZE];
-	fcpreq->sg_cnt = DIV_ROUND_UP(tlen, PAGE_SIZE);
-
 	/*
 	 * If the last READDATA request: check if LLDD supports
 	 * combined xfr with response.
diff --git a/drivers/nvme/target/loop.c b/drivers/nvme/target/loop.c
index d8d91f04bd7e..ae7586b8be07 100644
--- a/drivers/nvme/target/loop.c
+++ b/drivers/nvme/target/loop.c
@@ -162,7 +162,7 @@ static blk_status_t nvme_loop_queue_rq(struct blk_mq_hw_ctx *hctx,
 	blk_status_t ret;
 
 	if (!nvmf_check_ready(&queue->ctrl->ctrl, req, queue_ready))
-		return nvmf_fail_nonready_command(req);
+		return nvmf_fail_nonready_command(&queue->ctrl->ctrl, req);
 
 	ret = nvme_setup_cmd(ns, req, &iod->cmd);
 	if (ret)
diff --git a/drivers/nvmem/core.c b/drivers/nvmem/core.c
index b5b0cdc21d01..514d1dfc5630 100644
--- a/drivers/nvmem/core.c
+++ b/drivers/nvmem/core.c
@@ -936,6 +936,10 @@ struct nvmem_cell *nvmem_cell_get(struct device *dev, const char *cell_id)
 			return cell;
 	}
 
+	/* NULL cell_id only allowed for device tree; invalid otherwise */
+	if (!cell_id)
+		return ERR_PTR(-EINVAL);
+
 	return nvmem_cell_get_from_list(cell_id);
 }
 EXPORT_SYMBOL_GPL(nvmem_cell_get);
diff --git a/drivers/of/base.c b/drivers/of/base.c
index 848f549164cd..466e3c8582f0 100644
--- a/drivers/of/base.c
+++ b/drivers/of/base.c
@@ -102,7 +102,7 @@ static u32 phandle_cache_mask;
  *   - the phandle lookup overhead reduction provided by the cache
  *     will likely be less
  */
-static void of_populate_phandle_cache(void)
+void of_populate_phandle_cache(void)
 {
 	unsigned long flags;
 	u32 cache_entries;
@@ -134,8 +134,7 @@ out:
 	raw_spin_unlock_irqrestore(&devtree_lock, flags);
 }
 
-#ifndef CONFIG_MODULES
-static int __init of_free_phandle_cache(void)
+int of_free_phandle_cache(void)
 {
 	unsigned long flags;
 
@@ -148,6 +147,7 @@ static int __init of_free_phandle_cache(void)
 
 	return 0;
 }
+#if !defined(CONFIG_MODULES)
 late_initcall_sync(of_free_phandle_cache);
 #endif
 
diff --git a/drivers/of/of_private.h b/drivers/of/of_private.h
index 891d780c076a..216175d11d3d 100644
--- a/drivers/of/of_private.h
+++ b/drivers/of/of_private.h
@@ -79,6 +79,8 @@ int of_resolve_phandles(struct device_node *tree);
 #if defined(CONFIG_OF_OVERLAY)
 void of_overlay_mutex_lock(void);
 void of_overlay_mutex_unlock(void);
+int of_free_phandle_cache(void);
+void of_populate_phandle_cache(void);
 #else
 static inline void of_overlay_mutex_lock(void) {};
 static inline void of_overlay_mutex_unlock(void) {};
diff --git a/drivers/of/overlay.c b/drivers/of/overlay.c
index 7baa53e5b1d7..eda57ef12fd0 100644
--- a/drivers/of/overlay.c
+++ b/drivers/of/overlay.c
@@ -804,6 +804,8 @@ static int of_overlay_apply(const void *fdt, struct device_node *tree,
 		goto err_free_overlay_changeset;
 	}
 
+	of_populate_phandle_cache();
+
 	ret = __of_changeset_apply_notify(&ovcs->cset);
 	if (ret)
 		pr_err("overlay changeset entry notify error %d\n", ret);
@@ -1046,8 +1048,17 @@ int of_overlay_remove(int *ovcs_id)
 
 	list_del(&ovcs->ovcs_list);
 
+	/*
+	 * Disable phandle cache.  Avoids race condition that would arise
+	 * from removing cache entry when the associated node is deleted.
+	 */
+	of_free_phandle_cache();
+
 	ret_apply = 0;
 	ret = __of_changeset_revert_entries(&ovcs->cset, &ret_apply);
+
+	of_populate_phandle_cache();
+
 	if (ret) {
 		if (ret_apply)
 			devicetree_state_flags |= DTSF_REVERT_FAIL;
diff --git a/drivers/opp/core.c b/drivers/opp/core.c
index ab2f3fead6b1..31ff03dbeb83 100644
--- a/drivers/opp/core.c
+++ b/drivers/opp/core.c
@@ -598,7 +598,7 @@ static int _generic_set_opp_regulator(const struct opp_table *opp_table,
 	}
 
 	/* Scaling up? Scale voltage before frequency */
-	if (freq > old_freq) {
+	if (freq >= old_freq) {
 		ret = _set_opp_voltage(dev, reg, new_supply);
 		if (ret)
 			goto restore_voltage;
diff --git a/drivers/pci/Makefile b/drivers/pci/Makefile
index 535201984b8b..1b2cfe51e8d7 100644
--- a/drivers/pci/Makefile
+++ b/drivers/pci/Makefile
@@ -28,10 +28,10 @@ obj-$(CONFIG_PCI_PF_STUB)	+= pci-pf-stub.o
 obj-$(CONFIG_PCI_ECAM)		+= ecam.o
 obj-$(CONFIG_XEN_PCIDEV_FRONTEND) += xen-pcifront.o
 
-obj-y				+= controller/
-obj-y				+= switch/
-
 # Endpoint library must be initialized before its users
 obj-$(CONFIG_PCI_ENDPOINT)	+= endpoint/
 
+obj-y				+= controller/
+obj-y				+= switch/
+
 ccflags-$(CONFIG_PCI_DEBUG) := -DDEBUG
diff --git a/drivers/pci/controller/Kconfig b/drivers/pci/controller/Kconfig
index 18fa09b3ac8f..cc9fa02d32a0 100644
--- a/drivers/pci/controller/Kconfig
+++ b/drivers/pci/controller/Kconfig
@@ -96,7 +96,6 @@ config PCI_HOST_GENERIC
 	depends on OF
 	select PCI_HOST_COMMON
 	select IRQ_DOMAIN
-	select PCI_DOMAINS
 	help
 	  Say Y here if you want to support a simple generic PCI host
 	  controller, such as the one emulated by kvmtool.
@@ -138,7 +137,6 @@ config PCI_VERSATILE
 
 config PCIE_IPROC
 	tristate
-	select PCI_DOMAINS
 	help
 	  This enables the iProc PCIe core controller support for Broadcom's
 	  iProc family of SoCs. An appropriate bus interface driver needs
@@ -176,7 +174,6 @@ config PCIE_IPROC_MSI
 config PCIE_ALTERA
 	bool "Altera PCIe controller"
 	depends on ARM || NIOS2 || COMPILE_TEST
-	select PCI_DOMAINS
 	help
 	  Say Y here if you want to enable PCIe controller support on Altera
 	  FPGA.
diff --git a/drivers/pci/controller/dwc/Kconfig b/drivers/pci/controller/dwc/Kconfig
index 16f52c626b4b..91b0194240a5 100644
--- a/drivers/pci/controller/dwc/Kconfig
+++ b/drivers/pci/controller/dwc/Kconfig
@@ -58,7 +58,6 @@ config PCIE_DW_PLAT_HOST
 	depends on PCI && PCI_MSI_IRQ_DOMAIN
 	select PCIE_DW_HOST
 	select PCIE_DW_PLAT
-	default y
 	help
 	  Enables support for the PCIe controller in the Designware IP to
 	  work in host mode. There are two instances of PCIe controller in
diff --git a/drivers/pci/controller/dwc/pcie-designware-host.c b/drivers/pci/controller/dwc/pcie-designware-host.c
index 781aa03aeede..29a05759a294 100644
--- a/drivers/pci/controller/dwc/pcie-designware-host.c
+++ b/drivers/pci/controller/dwc/pcie-designware-host.c
@@ -363,7 +363,8 @@ int dw_pcie_host_init(struct pcie_port *pp)
 	resource_list_for_each_entry_safe(win, tmp, &bridge->windows) {
 		switch (resource_type(win->res)) {
 		case IORESOURCE_IO:
-			ret = pci_remap_iospace(win->res, pp->io_base);
+			ret = devm_pci_remap_iospace(dev, win->res,
+						     pp->io_base);
 			if (ret) {
 				dev_warn(dev, "Error %d: failed to map resource %pR\n",
 					 ret, win->res);
diff --git a/drivers/pci/controller/pci-aardvark.c b/drivers/pci/controller/pci-aardvark.c
index d3172d5d3d35..0fae816fba39 100644
--- a/drivers/pci/controller/pci-aardvark.c
+++ b/drivers/pci/controller/pci-aardvark.c
@@ -849,7 +849,7 @@ static int advk_pcie_parse_request_of_pci_ranges(struct advk_pcie *pcie)
 					     0,	0xF8000000, 0,
 					     lower_32_bits(res->start),
 					     OB_PCIE_IO);
-			err = pci_remap_iospace(res, iobase);
+			err = devm_pci_remap_iospace(dev, res, iobase);
 			if (err) {
 				dev_warn(dev, "error %d: failed to map resource %pR\n",
 					 err, res);
diff --git a/drivers/pci/controller/pci-ftpci100.c b/drivers/pci/controller/pci-ftpci100.c
index a1ebe9ed441f..bf5ece5d9291 100644
--- a/drivers/pci/controller/pci-ftpci100.c
+++ b/drivers/pci/controller/pci-ftpci100.c
@@ -355,11 +355,13 @@ static int faraday_pci_setup_cascaded_irq(struct faraday_pci *p)
 	irq = of_irq_get(intc, 0);
 	if (irq <= 0) {
 		dev_err(p->dev, "failed to get parent IRQ\n");
+		of_node_put(intc);
 		return irq ?: -EINVAL;
 	}
 
 	p->irqdomain = irq_domain_add_linear(intc, PCI_NUM_INTX,
 					     &faraday_pci_irqdomain_ops, p);
+	of_node_put(intc);
 	if (!p->irqdomain) {
 		dev_err(p->dev, "failed to create Gemini PCI IRQ domain\n");
 		return -EINVAL;
@@ -501,7 +503,7 @@ static int faraday_pci_probe(struct platform_device *pdev)
 				dev_err(dev, "illegal IO mem size\n");
 				return -EINVAL;
 			}
-			ret = pci_remap_iospace(io, io_base);
+			ret = devm_pci_remap_iospace(dev, io, io_base);
 			if (ret) {
 				dev_warn(dev, "error %d: failed to map resource %pR\n",
 					 ret, io);
diff --git a/drivers/pci/controller/pci-hyperv.c b/drivers/pci/controller/pci-hyperv.c
index fadc305533d9..d4d4a55f09f8 100644
--- a/drivers/pci/controller/pci-hyperv.c
+++ b/drivers/pci/controller/pci-hyperv.c
@@ -1074,6 +1074,7 @@ static void hv_compose_msi_msg(struct irq_data *data, struct msi_msg *msg)
 	struct pci_bus *pbus;
 	struct pci_dev *pdev;
 	struct cpumask *dest;
+	unsigned long flags;
 	struct compose_comp_ctxt comp;
 	struct tran_int_desc *int_desc;
 	struct {
@@ -1165,14 +1166,15 @@ static void hv_compose_msi_msg(struct irq_data *data, struct msi_msg *msg)
 		 * the channel callback directly when channel->target_cpu is
 		 * the current CPU. When the higher level interrupt code
 		 * calls us with interrupt enabled, let's add the
-		 * local_bh_disable()/enable() to avoid race.
+		 * local_irq_save()/restore() to avoid race:
+		 * hv_pci_onchannelcallback() can also run in tasklet.
 		 */
-		local_bh_disable();
+		local_irq_save(flags);
 
 		if (hbus->hdev->channel->target_cpu == smp_processor_id())
 			hv_pci_onchannelcallback(hbus);
 
-		local_bh_enable();
+		local_irq_restore(flags);
 
 		if (hpdev->state == hv_pcichild_ejecting) {
 			dev_err_once(&hbus->hdev->device,
diff --git a/drivers/pci/controller/pci-v3-semi.c b/drivers/pci/controller/pci-v3-semi.c
index 68b8bfbdb867..d219404bad92 100644
--- a/drivers/pci/controller/pci-v3-semi.c
+++ b/drivers/pci/controller/pci-v3-semi.c
@@ -537,7 +537,7 @@ static int v3_pci_setup_resource(struct v3_pci *v3,
 		v3->io_bus_addr = io->start - win->offset;
 		dev_dbg(dev, "I/O window %pR, bus addr %pap\n",
 			io, &v3->io_bus_addr);
-		ret = pci_remap_iospace(io, io_base);
+		ret = devm_pci_remap_iospace(dev, io, io_base);
 		if (ret) {
 			dev_warn(dev,
 				 "error %d: failed to map resource %pR\n",
diff --git a/drivers/pci/controller/pci-versatile.c b/drivers/pci/controller/pci-versatile.c
index 994f32061b32..f59ad2728c0b 100644
--- a/drivers/pci/controller/pci-versatile.c
+++ b/drivers/pci/controller/pci-versatile.c
@@ -82,7 +82,7 @@ static int versatile_pci_parse_request_of_pci_ranges(struct device *dev,
 
 		switch (resource_type(res)) {
 		case IORESOURCE_IO:
-			err = pci_remap_iospace(res, iobase);
+			err = devm_pci_remap_iospace(dev, res, iobase);
 			if (err) {
 				dev_warn(dev, "error %d: failed to map resource %pR\n",
 					 err, res);
diff --git a/drivers/pci/controller/pci-xgene.c b/drivers/pci/controller/pci-xgene.c
index d854d67e873c..ffda3e8b4742 100644
--- a/drivers/pci/controller/pci-xgene.c
+++ b/drivers/pci/controller/pci-xgene.c
@@ -423,7 +423,7 @@ static int xgene_pcie_map_ranges(struct xgene_pcie_port *port,
 		case IORESOURCE_IO:
 			xgene_pcie_setup_ob_reg(port, res, OMR3BARL, io_base,
 						res->start - window->offset);
-			ret = pci_remap_iospace(res, io_base);
+			ret = devm_pci_remap_iospace(dev, res, io_base);
 			if (ret < 0)
 				return ret;
 			break;
diff --git a/drivers/pci/controller/pcie-mediatek.c b/drivers/pci/controller/pcie-mediatek.c
index 0baabe30858f..861dda69f366 100644
--- a/drivers/pci/controller/pcie-mediatek.c
+++ b/drivers/pci/controller/pcie-mediatek.c
@@ -1109,7 +1109,7 @@ static int mtk_pcie_request_resources(struct mtk_pcie *pcie)
 	if (err < 0)
 		return err;
 
-	pci_remap_iospace(&pcie->pio, pcie->io.start);
+	devm_pci_remap_iospace(dev, &pcie->pio, pcie->io.start);
 
 	return 0;
 }
diff --git a/drivers/pci/controller/pcie-rcar.c b/drivers/pci/controller/pcie-rcar.c
index 874d75c9ee4a..c8febb009454 100644
--- a/drivers/pci/controller/pcie-rcar.c
+++ b/drivers/pci/controller/pcie-rcar.c
@@ -680,7 +680,11 @@ static int rcar_pcie_phy_init_gen3(struct rcar_pcie *pcie)
 	if (err)
 		return err;
 
-	return phy_power_on(pcie->phy);
+	err = phy_power_on(pcie->phy);
+	if (err)
+		phy_exit(pcie->phy);
+
+	return err;
 }
 
 static int rcar_msi_alloc(struct rcar_msi *chip)
@@ -1165,7 +1169,7 @@ static int rcar_pcie_probe(struct platform_device *pdev)
 	if (rcar_pcie_hw_init(pcie)) {
 		dev_info(dev, "PCIe link down\n");
 		err = -ENODEV;
-		goto err_clk_disable;
+		goto err_phy_shutdown;
 	}
 
 	data = rcar_pci_read_reg(pcie, MACSR);
@@ -1177,7 +1181,7 @@ static int rcar_pcie_probe(struct platform_device *pdev)
 			dev_err(dev,
 				"failed to enable MSI support: %d\n",
 				err);
-			goto err_clk_disable;
+			goto err_phy_shutdown;
 		}
 	}
 
@@ -1191,6 +1195,12 @@ err_msi_teardown:
 	if (IS_ENABLED(CONFIG_PCI_MSI))
 		rcar_pcie_teardown_msi(pcie);
 
+err_phy_shutdown:
+	if (pcie->phy) {
+		phy_power_off(pcie->phy);
+		phy_exit(pcie->phy);
+	}
+
 err_clk_disable:
 	clk_disable_unprepare(pcie->bus_clk);
 
diff --git a/drivers/pci/controller/pcie-xilinx-nwl.c b/drivers/pci/controller/pcie-xilinx-nwl.c
index 6a4bbb5b3de0..fb32840ce8e6 100644
--- a/drivers/pci/controller/pcie-xilinx-nwl.c
+++ b/drivers/pci/controller/pcie-xilinx-nwl.c
@@ -559,7 +559,7 @@ static int nwl_pcie_init_irq_domain(struct nwl_pcie *pcie)
 							PCI_NUM_INTX,
 							&legacy_domain_ops,
 							pcie);
-
+	of_node_put(legacy_intc_node);
 	if (!pcie->legacy_irq_domain) {
 		dev_err(dev, "failed to create IRQ domain\n");
 		return -ENOMEM;
diff --git a/drivers/pci/controller/pcie-xilinx.c b/drivers/pci/controller/pcie-xilinx.c
index b110a3a814e3..7b1389d8e2a5 100644
--- a/drivers/pci/controller/pcie-xilinx.c
+++ b/drivers/pci/controller/pcie-xilinx.c
@@ -509,6 +509,7 @@ static int xilinx_pcie_init_irq_domain(struct xilinx_pcie_port *port)
 	port->leg_domain = irq_domain_add_linear(pcie_intc_node, PCI_NUM_INTX,
 						 &intx_domain_ops,
 						 port);
+	of_node_put(pcie_intc_node);
 	if (!port->leg_domain) {
 		dev_err(dev, "Failed to get a INTx IRQ domain\n");
 		return -ENODEV;
diff --git a/drivers/pci/endpoint/pci-epf-core.c b/drivers/pci/endpoint/pci-epf-core.c
index 523a8cab3bfb..825fa24427a3 100644
--- a/drivers/pci/endpoint/pci-epf-core.c
+++ b/drivers/pci/endpoint/pci-epf-core.c
@@ -137,6 +137,20 @@ void *pci_epf_alloc_space(struct pci_epf *epf, size_t size, enum pci_barno bar)
 }
 EXPORT_SYMBOL_GPL(pci_epf_alloc_space);
 
+static void pci_epf_remove_cfs(struct pci_epf_driver *driver)
+{
+	struct config_group *group, *tmp;
+
+	if (!IS_ENABLED(CONFIG_PCI_ENDPOINT_CONFIGFS))
+		return;
+
+	mutex_lock(&pci_epf_mutex);
+	list_for_each_entry_safe(group, tmp, &driver->epf_group, group_entry)
+		pci_ep_cfs_remove_epf_group(group);
+	list_del(&driver->epf_group);
+	mutex_unlock(&pci_epf_mutex);
+}
+
 /**
  * pci_epf_unregister_driver() - unregister the PCI EPF driver
  * @driver: the PCI EPF driver that has to be unregistered
@@ -145,17 +159,38 @@ EXPORT_SYMBOL_GPL(pci_epf_alloc_space);
  */
 void pci_epf_unregister_driver(struct pci_epf_driver *driver)
 {
-	struct config_group *group;
-
-	mutex_lock(&pci_epf_mutex);
-	list_for_each_entry(group, &driver->epf_group, group_entry)
-		pci_ep_cfs_remove_epf_group(group);
-	list_del(&driver->epf_group);
-	mutex_unlock(&pci_epf_mutex);
+	pci_epf_remove_cfs(driver);
 	driver_unregister(&driver->driver);
 }
 EXPORT_SYMBOL_GPL(pci_epf_unregister_driver);
 
+static int pci_epf_add_cfs(struct pci_epf_driver *driver)
+{
+	struct config_group *group;
+	const struct pci_epf_device_id *id;
+
+	if (!IS_ENABLED(CONFIG_PCI_ENDPOINT_CONFIGFS))
+		return 0;
+
+	INIT_LIST_HEAD(&driver->epf_group);
+
+	id = driver->id_table;
+	while (id->name[0]) {
+		group = pci_ep_cfs_add_epf_group(id->name);
+		if (IS_ERR(group)) {
+			pci_epf_remove_cfs(driver);
+			return PTR_ERR(group);
+		}
+
+		mutex_lock(&pci_epf_mutex);
+		list_add_tail(&group->group_entry, &driver->epf_group);
+		mutex_unlock(&pci_epf_mutex);
+		id++;
+	}
+
+	return 0;
+}
+
 /**
  * __pci_epf_register_driver() - register a new PCI EPF driver
  * @driver: structure representing PCI EPF driver
@@ -167,8 +202,6 @@ int __pci_epf_register_driver(struct pci_epf_driver *driver,
 			      struct module *owner)
 {
 	int ret;
-	struct config_group *group;
-	const struct pci_epf_device_id *id;
 
 	if (!driver->ops)
 		return -EINVAL;
@@ -183,16 +216,7 @@ int __pci_epf_register_driver(struct pci_epf_driver *driver,
 	if (ret)
 		return ret;
 
-	INIT_LIST_HEAD(&driver->epf_group);
-
-	id = driver->id_table;
-	while (id->name[0]) {
-		group = pci_ep_cfs_add_epf_group(id->name);
-		mutex_lock(&pci_epf_mutex);
-		list_add_tail(&group->group_entry, &driver->epf_group);
-		mutex_unlock(&pci_epf_mutex);
-		id++;
-	}
+	pci_epf_add_cfs(driver);
 
 	return 0;
 }
diff --git a/drivers/pci/hotplug/acpi_pcihp.c b/drivers/pci/hotplug/acpi_pcihp.c
index 3979f89b250a..5bd6c1573295 100644
--- a/drivers/pci/hotplug/acpi_pcihp.c
+++ b/drivers/pci/hotplug/acpi_pcihp.c
@@ -7,7 +7,6 @@
  * All rights reserved.
  *
  * Send feedback to <kristen.c.accardi@intel.com>
- *
  */
 
 #include <linux/module.h>
@@ -87,8 +86,17 @@ int acpi_get_hp_hw_control_from_firmware(struct pci_dev *pdev)
 		return 0;
 
 	/* If _OSC exists, we should not evaluate OSHP */
+
+	/*
+	 * If there's no ACPI host bridge (i.e., ACPI support is compiled
+	 * into the kernel but the hardware platform doesn't support ACPI),
+	 * there's nothing to do here.
+	 */
 	host = pci_find_host_bridge(pdev->bus);
 	root = acpi_pci_find_root(ACPI_HANDLE(&host->dev));
+	if (!root)
+		return 0;
+
 	if (root->osc_support_set)
 		goto no_control;
 
diff --git a/drivers/pci/iov.c b/drivers/pci/iov.c
index d0d73dbbd5ca..0f04ae648cf1 100644
--- a/drivers/pci/iov.c
+++ b/drivers/pci/iov.c
@@ -575,6 +575,22 @@ void pci_iov_release(struct pci_dev *dev)
 }
 
 /**
+ * pci_iov_remove - clean up SR-IOV state after PF driver is detached
+ * @dev: the PCI device
+ */
+void pci_iov_remove(struct pci_dev *dev)
+{
+	struct pci_sriov *iov = dev->sriov;
+
+	if (!dev->is_physfn)
+		return;
+
+	iov->driver_max_VFs = iov->total_VFs;
+	if (iov->num_VFs)
+		pci_warn(dev, "driver left SR-IOV enabled after remove\n");
+}
+
+/**
  * pci_iov_update_resource - update a VF BAR
  * @dev: the PCI device
  * @resno: the resource number
diff --git a/drivers/pci/of.c b/drivers/pci/of.c
index d088c9147f10..69a60d6ebd73 100644
--- a/drivers/pci/of.c
+++ b/drivers/pci/of.c
@@ -612,7 +612,7 @@ int pci_parse_request_of_pci_ranges(struct device *dev,
 
 		switch (resource_type(res)) {
 		case IORESOURCE_IO:
-			err = pci_remap_iospace(res, iobase);
+			err = devm_pci_remap_iospace(dev, res, iobase);
 			if (err) {
 				dev_warn(dev, "error %d: failed to map resource %pR\n",
 					 err, res);
diff --git a/drivers/pci/pci-acpi.c b/drivers/pci/pci-acpi.c
index 65113b6eed14..89ee6a2b6eb8 100644
--- a/drivers/pci/pci-acpi.c
+++ b/drivers/pci/pci-acpi.c
@@ -629,6 +629,18 @@ static bool acpi_pci_need_resume(struct pci_dev *dev)
 {
 	struct acpi_device *adev = ACPI_COMPANION(&dev->dev);
 
+	/*
+	 * In some cases (eg. Samsung 305V4A) leaving a bridge in suspend over
+	 * system-wide suspend/resume confuses the platform firmware, so avoid
+	 * doing that, unless the bridge has a driver that should take care of
+	 * the PM handling.  According to Section 16.1.6 of ACPI 6.2, endpoint
+	 * devices are expected to be in D3 before invoking the S3 entry path
+	 * from the firmware, so they should not be affected by this issue.
+	 */
+	if (pci_is_bridge(dev) && !dev->driver &&
+	    acpi_target_system_state() != ACPI_STATE_S0)
+		return true;
+
 	if (!adev || !acpi_device_power_manageable(adev))
 		return false;
 
diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c
index c125d53033c6..6792292b5fc7 100644
--- a/drivers/pci/pci-driver.c
+++ b/drivers/pci/pci-driver.c
@@ -445,6 +445,7 @@ static int pci_device_remove(struct device *dev)
 		}
 		pcibios_free_irq(pci_dev);
 		pci_dev->driver = NULL;
+		pci_iov_remove(pci_dev);
 	}
 
 	/* Undo the runtime PM settings in local_pci_probe() */
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index 97acba712e4e..316496e99da9 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -3579,6 +3579,44 @@ void pci_unmap_iospace(struct resource *res)
 }
 EXPORT_SYMBOL(pci_unmap_iospace);
 
+static void devm_pci_unmap_iospace(struct device *dev, void *ptr)
+{
+	struct resource **res = ptr;
+
+	pci_unmap_iospace(*res);
+}
+
+/**
+ * devm_pci_remap_iospace - Managed pci_remap_iospace()
+ * @dev: Generic device to remap IO address for
+ * @res: Resource describing the I/O space
+ * @phys_addr: physical address of range to be mapped
+ *
+ * Managed pci_remap_iospace().  Map is automatically unmapped on driver
+ * detach.
+ */
+int devm_pci_remap_iospace(struct device *dev, const struct resource *res,
+			   phys_addr_t phys_addr)
+{
+	const struct resource **ptr;
+	int error;
+
+	ptr = devres_alloc(devm_pci_unmap_iospace, sizeof(*ptr), GFP_KERNEL);
+	if (!ptr)
+		return -ENOMEM;
+
+	error = pci_remap_iospace(res, phys_addr);
+	if (error) {
+		devres_free(ptr);
+	} else	{
+		*ptr = res;
+		devres_add(dev, ptr);
+	}
+
+	return error;
+}
+EXPORT_SYMBOL(devm_pci_remap_iospace);
+
 /**
  * devm_pci_remap_cfgspace - Managed pci_remap_cfgspace()
  * @dev: Generic device to remap IO address for
diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h
index c358e7a07f3f..882f1f9596df 100644
--- a/drivers/pci/pci.h
+++ b/drivers/pci/pci.h
@@ -311,6 +311,7 @@ static inline void pci_restore_ats_state(struct pci_dev *dev)
 #ifdef CONFIG_PCI_IOV
 int pci_iov_init(struct pci_dev *dev);
 void pci_iov_release(struct pci_dev *dev);
+void pci_iov_remove(struct pci_dev *dev);
 void pci_iov_update_resource(struct pci_dev *dev, int resno);
 resource_size_t pci_sriov_resource_alignment(struct pci_dev *dev, int resno);
 void pci_restore_iov_state(struct pci_dev *dev);
@@ -325,6 +326,9 @@ static inline void pci_iov_release(struct pci_dev *dev)
 
 {
 }
+static inline void pci_iov_remove(struct pci_dev *dev)
+{
+}
 static inline void pci_restore_iov_state(struct pci_dev *dev)
 {
 }
diff --git a/drivers/pci/pcie/err.c b/drivers/pci/pcie/err.c
index f7ce0cb0b0b7..f02e334beb45 100644
--- a/drivers/pci/pcie/err.c
+++ b/drivers/pci/pcie/err.c
@@ -295,6 +295,7 @@ void pcie_do_fatal_recovery(struct pci_dev *dev, u32 service)
 
 	parent = udev->subordinate;
 	pci_lock_rescan_remove();
+	pci_dev_get(dev);
 	list_for_each_entry_safe_reverse(pdev, temp, &parent->devices,
 					 bus_list) {
 		pci_dev_get(pdev);
@@ -328,6 +329,7 @@ void pcie_do_fatal_recovery(struct pci_dev *dev, u32 service)
 		pci_info(dev, "Device recovery from fatal error failed\n");
 	}
 
+	pci_dev_put(dev);
 	pci_unlock_rescan_remove();
 }
 
diff --git a/drivers/perf/xgene_pmu.c b/drivers/perf/xgene_pmu.c
index 6bdb1dad805f..0e31f1392a53 100644
--- a/drivers/perf/xgene_pmu.c
+++ b/drivers/perf/xgene_pmu.c
@@ -1463,7 +1463,7 @@ static char *xgene_pmu_dev_name(struct device *dev, u32 type, int id)
 	case PMU_TYPE_IOB:
 		return devm_kasprintf(dev, GFP_KERNEL, "iob%d", id);
 	case PMU_TYPE_IOB_SLOW:
-		return devm_kasprintf(dev, GFP_KERNEL, "iob-slow%d", id);
+		return devm_kasprintf(dev, GFP_KERNEL, "iob_slow%d", id);
 	case PMU_TYPE_MCB:
 		return devm_kasprintf(dev, GFP_KERNEL, "mcb%d", id);
 	case PMU_TYPE_MC:
diff --git a/drivers/phy/broadcom/phy-brcm-usb-init.c b/drivers/phy/broadcom/phy-brcm-usb-init.c
index 1b7febc43da9..29d2c3b1913a 100644
--- a/drivers/phy/broadcom/phy-brcm-usb-init.c
+++ b/drivers/phy/broadcom/phy-brcm-usb-init.c
@@ -962,6 +962,10 @@ void brcm_usb_init_xhci(struct brcm_usb_init_params *params)
 {
 	void __iomem *ctrl = params->ctrl_regs;
 
+	USB_CTRL_UNSET(ctrl, USB30_PCTL, PHY3_IDDQ_OVERRIDE);
+	/* 1 millisecond - for USB clocks to settle down */
+	usleep_range(1000, 2000);
+
 	if (BRCM_ID(params->family_id) == 0x7366) {
 		/*
 		 * The PHY3_SOFT_RESETB bits default to the wrong state.
diff --git a/drivers/phy/motorola/phy-mapphone-mdm6600.c b/drivers/phy/motorola/phy-mapphone-mdm6600.c
index 23705e1a0023..0075fb0bef8c 100644
--- a/drivers/phy/motorola/phy-mapphone-mdm6600.c
+++ b/drivers/phy/motorola/phy-mapphone-mdm6600.c
@@ -182,13 +182,13 @@ static void phy_mdm6600_status(struct work_struct *work)
 	ddata = container_of(work, struct phy_mdm6600, status_work.work);
 	dev = ddata->dev;
 
-	error = gpiod_get_array_value_cansleep(PHY_MDM6600_NR_CMD_LINES,
+	error = gpiod_get_array_value_cansleep(PHY_MDM6600_NR_STATUS_LINES,
 					       ddata->status_gpios->desc,
 					       values);
 	if (error)
 		return;
 
-	for (i = 0; i < PHY_MDM6600_NR_CMD_LINES; i++) {
+	for (i = 0; i < PHY_MDM6600_NR_STATUS_LINES; i++) {
 		val |= values[i] << i;
 		dev_dbg(ddata->dev, "XXX %s: i: %i values[i]: %i val: %i\n",
 			__func__, i, values[i], val);
diff --git a/drivers/pinctrl/actions/pinctrl-owl.c b/drivers/pinctrl/actions/pinctrl-owl.c
index 76243caa08c6..b5c880b50bb3 100644
--- a/drivers/pinctrl/actions/pinctrl-owl.c
+++ b/drivers/pinctrl/actions/pinctrl-owl.c
@@ -333,7 +333,7 @@ static int owl_pin_config_set(struct pinctrl_dev *pctrldev,
 	unsigned long flags;
 	unsigned int param;
 	u32 reg, bit, width, arg;
-	int ret, i;
+	int ret = 0, i;
 
 	info = &pctrl->soc->padinfo[pin];
 
diff --git a/drivers/pinctrl/bcm/pinctrl-nsp-mux.c b/drivers/pinctrl/bcm/pinctrl-nsp-mux.c
index 35c17653c694..87618a4e90e4 100644
--- a/drivers/pinctrl/bcm/pinctrl-nsp-mux.c
+++ b/drivers/pinctrl/bcm/pinctrl-nsp-mux.c
@@ -460,8 +460,8 @@ static int nsp_pinmux_enable(struct pinctrl_dev *pctrl_dev,
 	const struct nsp_pin_function *func;
 	const struct nsp_pin_group *grp;
 
-	if (grp_select > pinctrl->num_groups ||
-		func_select > pinctrl->num_functions)
+	if (grp_select >= pinctrl->num_groups ||
+	    func_select >= pinctrl->num_functions)
 		return -EINVAL;
 
 	func = &pinctrl->functions[func_select];
@@ -577,6 +577,8 @@ static int nsp_pinmux_probe(struct platform_device *pdev)
 		return PTR_ERR(pinctrl->base0);
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
+	if (!res)
+		return -EINVAL;
 	pinctrl->base1 = devm_ioremap_nocache(&pdev->dev, res->start,
 					      resource_size(res));
 	if (!pinctrl->base1) {
diff --git a/drivers/pinctrl/devicetree.c b/drivers/pinctrl/devicetree.c
index b601039d6c69..c4aa411f5935 100644
--- a/drivers/pinctrl/devicetree.c
+++ b/drivers/pinctrl/devicetree.c
@@ -101,10 +101,11 @@ struct pinctrl_dev *of_pinctrl_get(struct device_node *np)
 }
 
 static int dt_to_map_one_config(struct pinctrl *p,
-				struct pinctrl_dev *pctldev,
+				struct pinctrl_dev *hog_pctldev,
 				const char *statename,
 				struct device_node *np_config)
 {
+	struct pinctrl_dev *pctldev = NULL;
 	struct device_node *np_pctldev;
 	const struct pinctrl_ops *ops;
 	int ret;
@@ -123,8 +124,10 @@ static int dt_to_map_one_config(struct pinctrl *p,
 			return -EPROBE_DEFER;
 		}
 		/* If we're creating a hog we can use the passed pctldev */
-		if (pctldev && (np_pctldev == p->dev->of_node))
+		if (hog_pctldev && (np_pctldev == p->dev->of_node)) {
+			pctldev = hog_pctldev;
 			break;
+		}
 		pctldev = get_pinctrl_dev_from_of_node(np_pctldev);
 		if (pctldev)
 			break;
diff --git a/drivers/pinctrl/mediatek/pinctrl-mt7622.c b/drivers/pinctrl/mediatek/pinctrl-mt7622.c
index ad6da1184c9f..4c4740ffeb9c 100644
--- a/drivers/pinctrl/mediatek/pinctrl-mt7622.c
+++ b/drivers/pinctrl/mediatek/pinctrl-mt7622.c
@@ -1424,7 +1424,7 @@ static struct pinctrl_desc mtk_desc = {
 
 static int mtk_gpio_get(struct gpio_chip *chip, unsigned int gpio)
 {
-	struct mtk_pinctrl *hw = dev_get_drvdata(chip->parent);
+	struct mtk_pinctrl *hw = gpiochip_get_data(chip);
 	int value, err;
 
 	err = mtk_hw_get_value(hw, gpio, PINCTRL_PIN_REG_DI, &value);
@@ -1436,7 +1436,7 @@ static int mtk_gpio_get(struct gpio_chip *chip, unsigned int gpio)
 
 static void mtk_gpio_set(struct gpio_chip *chip, unsigned int gpio, int value)
 {
-	struct mtk_pinctrl *hw = dev_get_drvdata(chip->parent);
+	struct mtk_pinctrl *hw = gpiochip_get_data(chip);
 
 	mtk_hw_set_value(hw, gpio, PINCTRL_PIN_REG_DO, !!value);
 }
@@ -1459,6 +1459,9 @@ static int mtk_gpio_to_irq(struct gpio_chip *chip, unsigned int offset)
 	struct mtk_pinctrl *hw = gpiochip_get_data(chip);
 	unsigned long eint_n;
 
+	if (!hw->eint)
+		return -ENOTSUPP;
+
 	eint_n = offset;
 
 	return mtk_eint_find_irq(hw->eint, eint_n);
@@ -1471,7 +1474,8 @@ static int mtk_gpio_set_config(struct gpio_chip *chip, unsigned int offset,
 	unsigned long eint_n;
 	u32 debounce;
 
-	if (pinconf_to_config_param(config) != PIN_CONFIG_INPUT_DEBOUNCE)
+	if (!hw->eint ||
+	    pinconf_to_config_param(config) != PIN_CONFIG_INPUT_DEBOUNCE)
 		return -ENOTSUPP;
 
 	debounce = pinconf_to_config_argument(config);
@@ -1504,11 +1508,20 @@ static int mtk_build_gpiochip(struct mtk_pinctrl *hw, struct device_node *np)
 	if (ret < 0)
 		return ret;
 
-	ret = gpiochip_add_pin_range(chip, dev_name(hw->dev), 0, 0,
-				     chip->ngpio);
-	if (ret < 0) {
-		gpiochip_remove(chip);
-		return ret;
+	/* Just for backward compatible for these old pinctrl nodes without
+	 * "gpio-ranges" property. Otherwise, called directly from a
+	 * DeviceTree-supported pinctrl driver is DEPRECATED.
+	 * Please see Section 2.1 of
+	 * Documentation/devicetree/bindings/gpio/gpio.txt on how to
+	 * bind pinctrl and gpio drivers via the "gpio-ranges" property.
+	 */
+	if (!of_find_property(np, "gpio-ranges", NULL)) {
+		ret = gpiochip_add_pin_range(chip, dev_name(hw->dev), 0, 0,
+					     chip->ngpio);
+		if (ret < 0) {
+			gpiochip_remove(chip);
+			return ret;
+		}
 	}
 
 	return 0;
@@ -1691,15 +1704,16 @@ static int mtk_pinctrl_probe(struct platform_device *pdev)
 	mtk_desc.custom_conf_items = mtk_conf_items;
 #endif
 
-	hw->pctrl = devm_pinctrl_register(&pdev->dev, &mtk_desc, hw);
-	if (IS_ERR(hw->pctrl))
-		return PTR_ERR(hw->pctrl);
+	err = devm_pinctrl_register_and_init(&pdev->dev, &mtk_desc, hw,
+					     &hw->pctrl);
+	if (err)
+		return err;
 
 	/* Setup groups descriptions per SoC types */
 	err = mtk_build_groups(hw);
 	if (err) {
 		dev_err(&pdev->dev, "Failed to build groups\n");
-		return 0;
+		return err;
 	}
 
 	/* Setup functions descriptions per SoC types */
@@ -1709,17 +1723,25 @@ static int mtk_pinctrl_probe(struct platform_device *pdev)
 		return err;
 	}
 
-	err = mtk_build_gpiochip(hw, pdev->dev.of_node);
-	if (err) {
-		dev_err(&pdev->dev, "Failed to add gpio_chip\n");
+	/* For able to make pinctrl_claim_hogs, we must not enable pinctrl
+	 * until all groups and functions are being added one.
+	 */
+	err = pinctrl_enable(hw->pctrl);
+	if (err)
 		return err;
-	}
 
 	err = mtk_build_eint(hw, pdev);
 	if (err)
 		dev_warn(&pdev->dev,
 			 "Failed to add EINT, but pinctrl still can work\n");
 
+	/* Build gpiochip should be after pinctrl_enable is done */
+	err = mtk_build_gpiochip(hw, pdev->dev.of_node);
+	if (err) {
+		dev_err(&pdev->dev, "Failed to add gpio_chip\n");
+		return err;
+	}
+
 	platform_set_drvdata(pdev, hw);
 
 	return 0;
diff --git a/drivers/pinctrl/mediatek/pinctrl-mtk-common.c b/drivers/pinctrl/mediatek/pinctrl-mtk-common.c
index b3799695d8db..16ff56f93501 100644
--- a/drivers/pinctrl/mediatek/pinctrl-mtk-common.c
+++ b/drivers/pinctrl/mediatek/pinctrl-mtk-common.c
@@ -1000,11 +1000,6 @@ static int mtk_eint_init(struct mtk_pinctrl *pctl, struct platform_device *pdev)
 		return -ENOMEM;
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!res) {
-		dev_err(&pdev->dev, "Unable to get eint resource\n");
-		return -ENODEV;
-	}
-
 	pctl->eint->base = devm_ioremap_resource(&pdev->dev, res);
 	if (IS_ERR(pctl->eint->base))
 		return PTR_ERR(pctl->eint->base);
diff --git a/drivers/pinctrl/pinctrl-ingenic.c b/drivers/pinctrl/pinctrl-ingenic.c
index a1d7156d0a43..6a1b6058b991 100644
--- a/drivers/pinctrl/pinctrl-ingenic.c
+++ b/drivers/pinctrl/pinctrl-ingenic.c
@@ -536,7 +536,7 @@ static int ingenic_pinmux_gpio_set_direction(struct pinctrl_dev *pctldev,
 		ingenic_config_pin(jzpc, pin, JZ4770_GPIO_PAT1, input);
 	} else {
 		ingenic_config_pin(jzpc, pin, JZ4740_GPIO_SELECT, false);
-		ingenic_config_pin(jzpc, pin, JZ4740_GPIO_DIR, input);
+		ingenic_config_pin(jzpc, pin, JZ4740_GPIO_DIR, !input);
 		ingenic_config_pin(jzpc, pin, JZ4740_GPIO_FUNC, false);
 	}
 
diff --git a/drivers/pinctrl/pinctrl-single.c b/drivers/pinctrl/pinctrl-single.c
index b3153c095199..e5647dac0818 100644
--- a/drivers/pinctrl/pinctrl-single.c
+++ b/drivers/pinctrl/pinctrl-single.c
@@ -1590,8 +1590,11 @@ static int pcs_save_context(struct pcs_device *pcs)
 
 	mux_bytes = pcs->width / BITS_PER_BYTE;
 
-	if (!pcs->saved_vals)
+	if (!pcs->saved_vals) {
 		pcs->saved_vals = devm_kzalloc(pcs->dev, pcs->size, GFP_ATOMIC);
+		if (!pcs->saved_vals)
+			return -ENOMEM;
+	}
 
 	switch (pcs->width) {
 	case 64:
@@ -1651,8 +1654,13 @@ static int pinctrl_single_suspend(struct platform_device *pdev,
 	if (!pcs)
 		return -EINVAL;
 
-	if (pcs->flags & PCS_CONTEXT_LOSS_OFF)
-		pcs_save_context(pcs);
+	if (pcs->flags & PCS_CONTEXT_LOSS_OFF) {
+		int ret;
+
+		ret = pcs_save_context(pcs);
+		if (ret < 0)
+			return ret;
+	}
 
 	return pinctrl_force_sleep(pcs->pctl);
 }
diff --git a/drivers/pinctrl/sh-pfc/pfc-r8a77970.c b/drivers/pinctrl/sh-pfc/pfc-r8a77970.c
index b02caf316711..eeb58b3bbc9a 100644
--- a/drivers/pinctrl/sh-pfc/pfc-r8a77970.c
+++ b/drivers/pinctrl/sh-pfc/pfc-r8a77970.c
@@ -21,15 +21,13 @@
 #include "core.h"
 #include "sh_pfc.h"
 
-#define CFG_FLAGS SH_PFC_PIN_CFG_DRIVE_STRENGTH
-
 #define CPU_ALL_PORT(fn, sfx)						\
-	PORT_GP_CFG_22(0, fn, sfx, CFG_FLAGS | SH_PFC_PIN_CFG_IO_VOLTAGE), \
-	PORT_GP_CFG_28(1, fn, sfx, CFG_FLAGS),				\
-	PORT_GP_CFG_17(2, fn, sfx, CFG_FLAGS | SH_PFC_PIN_CFG_IO_VOLTAGE), \
-	PORT_GP_CFG_17(3, fn, sfx, CFG_FLAGS | SH_PFC_PIN_CFG_IO_VOLTAGE), \
-	PORT_GP_CFG_6(4,  fn, sfx, CFG_FLAGS),				\
-	PORT_GP_CFG_15(5, fn, sfx, CFG_FLAGS)
+	PORT_GP_CFG_22(0, fn, sfx, SH_PFC_PIN_CFG_IO_VOLTAGE),		\
+	PORT_GP_28(1, fn, sfx),						\
+	PORT_GP_CFG_17(2, fn, sfx, SH_PFC_PIN_CFG_IO_VOLTAGE),		\
+	PORT_GP_CFG_17(3, fn, sfx, SH_PFC_PIN_CFG_IO_VOLTAGE),		\
+	PORT_GP_6(4,  fn, sfx),						\
+	PORT_GP_15(5, fn, sfx)
 /*
  * F_() : just information
  * FM() : macro for FN_xxx / xxx_MARK
diff --git a/drivers/platform/x86/dell-laptop.c b/drivers/platform/x86/dell-laptop.c
index f1fa8612db40..06978c14c83b 100644
--- a/drivers/platform/x86/dell-laptop.c
+++ b/drivers/platform/x86/dell-laptop.c
@@ -2185,7 +2185,7 @@ static int __init dell_init(void)
 		dell_fill_request(&buffer, token->location, 0, 0, 0);
 		ret = dell_send_request(&buffer,
 					CLASS_TOKEN_READ, SELECT_TOKEN_AC);
-		if (ret)
+		if (ret == 0)
 			max_intensity = buffer.output[3];
 	}
 
diff --git a/drivers/ptp/ptp_chardev.c b/drivers/ptp/ptp_chardev.c
index 767c485af59b..01b0e2bb3319 100644
--- a/drivers/ptp/ptp_chardev.c
+++ b/drivers/ptp/ptp_chardev.c
@@ -89,6 +89,7 @@ int ptp_set_pinfunc(struct ptp_clock *ptp, unsigned int pin,
 	case PTP_PF_PHYSYNC:
 		if (chan != 0)
 			return -EINVAL;
+		break;
 	default:
 		return -EINVAL;
 	}
@@ -221,7 +222,7 @@ long ptp_ioctl(struct posix_clock *pc, unsigned int cmd, unsigned long arg)
 		}
 		pct = &sysoff->ts[0];
 		for (i = 0; i < sysoff->n_samples; i++) {
-			getnstimeofday64(&ts);
+			ktime_get_real_ts64(&ts);
 			pct->sec = ts.tv_sec;
 			pct->nsec = ts.tv_nsec;
 			pct++;
@@ -230,7 +231,7 @@ long ptp_ioctl(struct posix_clock *pc, unsigned int cmd, unsigned long arg)
 			pct->nsec = ts.tv_nsec;
 			pct++;
 		}
-		getnstimeofday64(&ts);
+		ktime_get_real_ts64(&ts);
 		pct->sec = ts.tv_sec;
 		pct->nsec = ts.tv_nsec;
 		if (copy_to_user((void __user *)arg, sysoff, sizeof(*sysoff)))
diff --git a/drivers/ptp/ptp_qoriq.c b/drivers/ptp/ptp_qoriq.c
index 1468a1642b49..e8652c148c52 100644
--- a/drivers/ptp/ptp_qoriq.c
+++ b/drivers/ptp/ptp_qoriq.c
@@ -374,7 +374,7 @@ static int qoriq_ptp_probe(struct platform_device *dev)
 		pr_err("ioremap ptp registers failed\n");
 		goto no_ioremap;
 	}
-	getnstimeofday64(&now);
+	ktime_get_real_ts64(&now);
 	ptp_qoriq_settime(&qoriq_ptp->caps, &now);
 
 	tmr_ctrl =
diff --git a/drivers/rtc/interface.c b/drivers/rtc/interface.c
index 6d4012dd6922..bac1eeb3d312 100644
--- a/drivers/rtc/interface.c
+++ b/drivers/rtc/interface.c
@@ -265,8 +265,10 @@ int __rtc_read_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm)
 			return err;
 
 		/* full-function RTCs won't have such missing fields */
-		if (rtc_valid_tm(&alarm->time) == 0)
+		if (rtc_valid_tm(&alarm->time) == 0) {
+			rtc_add_offset(rtc, &alarm->time);
 			return 0;
+		}
 
 		/* get the "after" timestamp, to detect wrapped fields */
 		err = rtc_read_time(rtc, &now);
@@ -409,7 +411,6 @@ static int __rtc_set_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm)
 	if (err)
 		return err;
 
-	rtc_subtract_offset(rtc, &alarm->time);
 	scheduled = rtc_tm_to_time64(&alarm->time);
 
 	/* Make sure we're not setting alarms in the past */
@@ -426,6 +427,8 @@ static int __rtc_set_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm)
 	 * over right here, before we set the alarm.
 	 */
 
+	rtc_subtract_offset(rtc, &alarm->time);
+
 	if (!rtc->ops)
 		err = -ENODEV;
 	else if (!rtc->ops->set_alarm)
@@ -467,7 +470,6 @@ int rtc_set_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm)
 
 	mutex_unlock(&rtc->ops_lock);
 
-	rtc_add_offset(rtc, &alarm->time);
 	return err;
 }
 EXPORT_SYMBOL_GPL(rtc_set_alarm);
diff --git a/drivers/rtc/rtc-mrst.c b/drivers/rtc/rtc-mrst.c
index 097a4d4e2aba..1925aaf09093 100644
--- a/drivers/rtc/rtc-mrst.c
+++ b/drivers/rtc/rtc-mrst.c
@@ -367,10 +367,8 @@ static int vrtc_mrst_do_probe(struct device *dev, struct resource *iomem,
 	}
 
 	retval = rtc_register_device(mrst_rtc.rtc);
-	if (retval) {
-		retval = PTR_ERR(mrst_rtc.rtc);
+	if (retval)
 		goto cleanup0;
-	}
 
 	dev_dbg(dev, "initialised\n");
 	return 0;
diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c
index 73cce3ecb97f..a9f60d0ee02e 100644
--- a/drivers/s390/block/dasd.c
+++ b/drivers/s390/block/dasd.c
@@ -41,6 +41,15 @@
 
 #define DASD_DIAG_MOD		"dasd_diag_mod"
 
+static unsigned int queue_depth = 32;
+static unsigned int nr_hw_queues = 4;
+
+module_param(queue_depth, uint, 0444);
+MODULE_PARM_DESC(queue_depth, "Default queue depth for new DASD devices");
+
+module_param(nr_hw_queues, uint, 0444);
+MODULE_PARM_DESC(nr_hw_queues, "Default number of hardware queues for new DASD devices");
+
 /*
  * SECTION: exported variables of dasd.c
  */
@@ -1222,80 +1231,37 @@ static void dasd_hosts_init(struct dentry *base_dentry,
 		device->hosts_dentry = pde;
 }
 
-/*
- * Allocate memory for a channel program with 'cplength' channel
- * command words and 'datasize' additional space. There are two
- * variantes: 1) dasd_kmalloc_request uses kmalloc to get the needed
- * memory and 2) dasd_smalloc_request uses the static ccw memory
- * that gets allocated for each device.
- */
-struct dasd_ccw_req *dasd_kmalloc_request(int magic, int cplength,
-					  int datasize,
-					  struct dasd_device *device)
-{
-	struct dasd_ccw_req *cqr;
-
-	/* Sanity checks */
-	BUG_ON(datasize > PAGE_SIZE ||
-	     (cplength*sizeof(struct ccw1)) > PAGE_SIZE);
-
-	cqr = kzalloc(sizeof(struct dasd_ccw_req), GFP_ATOMIC);
-	if (cqr == NULL)
-		return ERR_PTR(-ENOMEM);
-	cqr->cpaddr = NULL;
-	if (cplength > 0) {
-		cqr->cpaddr = kcalloc(cplength, sizeof(struct ccw1),
-				      GFP_ATOMIC | GFP_DMA);
-		if (cqr->cpaddr == NULL) {
-			kfree(cqr);
-			return ERR_PTR(-ENOMEM);
-		}
-	}
-	cqr->data = NULL;
-	if (datasize > 0) {
-		cqr->data = kzalloc(datasize, GFP_ATOMIC | GFP_DMA);
-		if (cqr->data == NULL) {
-			kfree(cqr->cpaddr);
-			kfree(cqr);
-			return ERR_PTR(-ENOMEM);
-		}
-	}
-	cqr->magic =  magic;
-	set_bit(DASD_CQR_FLAGS_USE_ERP, &cqr->flags);
-	dasd_get_device(device);
-	return cqr;
-}
-EXPORT_SYMBOL(dasd_kmalloc_request);
-
-struct dasd_ccw_req *dasd_smalloc_request(int magic, int cplength,
-					  int datasize,
-					  struct dasd_device *device)
+struct dasd_ccw_req *dasd_smalloc_request(int magic, int cplength, int datasize,
+					  struct dasd_device *device,
+					  struct dasd_ccw_req *cqr)
 {
 	unsigned long flags;
-	struct dasd_ccw_req *cqr;
-	char *data;
-	int size;
+	char *data, *chunk;
+	int size = 0;
 
-	size = (sizeof(struct dasd_ccw_req) + 7L) & -8L;
 	if (cplength > 0)
 		size += cplength * sizeof(struct ccw1);
 	if (datasize > 0)
 		size += datasize;
+	if (!cqr)
+		size += (sizeof(*cqr) + 7L) & -8L;
+
 	spin_lock_irqsave(&device->mem_lock, flags);
-	cqr = (struct dasd_ccw_req *)
-		dasd_alloc_chunk(&device->ccw_chunks, size);
+	data = chunk = dasd_alloc_chunk(&device->ccw_chunks, size);
 	spin_unlock_irqrestore(&device->mem_lock, flags);
-	if (cqr == NULL)
+	if (!chunk)
 		return ERR_PTR(-ENOMEM);
-	memset(cqr, 0, sizeof(struct dasd_ccw_req));
-	data = (char *) cqr + ((sizeof(struct dasd_ccw_req) + 7L) & -8L);
-	cqr->cpaddr = NULL;
+	if (!cqr) {
+		cqr = (void *) data;
+		data += (sizeof(*cqr) + 7L) & -8L;
+	}
+	memset(cqr, 0, sizeof(*cqr));
+	cqr->mem_chunk = chunk;
 	if (cplength > 0) {
-		cqr->cpaddr = (struct ccw1 *) data;
-		data += cplength*sizeof(struct ccw1);
-		memset(cqr->cpaddr, 0, cplength*sizeof(struct ccw1));
+		cqr->cpaddr = data;
+		data += cplength * sizeof(struct ccw1);
+		memset(cqr->cpaddr, 0, cplength * sizeof(struct ccw1));
 	}
-	cqr->data = NULL;
 	if (datasize > 0) {
 		cqr->data = data;
  		memset(cqr->data, 0, datasize);
@@ -1307,33 +1273,12 @@ struct dasd_ccw_req *dasd_smalloc_request(int magic, int cplength,
 }
 EXPORT_SYMBOL(dasd_smalloc_request);
 
-/*
- * Free memory of a channel program. This function needs to free all the
- * idal lists that might have been created by dasd_set_cda and the
- * struct dasd_ccw_req itself.
- */
-void dasd_kfree_request(struct dasd_ccw_req *cqr, struct dasd_device *device)
-{
-	struct ccw1 *ccw;
-
-	/* Clear any idals used for the request. */
-	ccw = cqr->cpaddr;
-	do {
-		clear_normalized_cda(ccw);
-	} while (ccw++->flags & (CCW_FLAG_CC | CCW_FLAG_DC));
-	kfree(cqr->cpaddr);
-	kfree(cqr->data);
-	kfree(cqr);
-	dasd_put_device(device);
-}
-EXPORT_SYMBOL(dasd_kfree_request);
-
 void dasd_sfree_request(struct dasd_ccw_req *cqr, struct dasd_device *device)
 {
 	unsigned long flags;
 
 	spin_lock_irqsave(&device->mem_lock, flags);
-	dasd_free_chunk(&device->ccw_chunks, cqr);
+	dasd_free_chunk(&device->ccw_chunks, cqr->mem_chunk);
 	spin_unlock_irqrestore(&device->mem_lock, flags);
 	dasd_put_device(device);
 }
@@ -1885,6 +1830,33 @@ static void __dasd_device_process_ccw_queue(struct dasd_device *device,
 	}
 }
 
+static void __dasd_process_cqr(struct dasd_device *device,
+			       struct dasd_ccw_req *cqr)
+{
+	char errorstring[ERRORLENGTH];
+
+	switch (cqr->status) {
+	case DASD_CQR_SUCCESS:
+		cqr->status = DASD_CQR_DONE;
+		break;
+	case DASD_CQR_ERROR:
+		cqr->status = DASD_CQR_NEED_ERP;
+		break;
+	case DASD_CQR_CLEARED:
+		cqr->status = DASD_CQR_TERMINATED;
+		break;
+	default:
+		/* internal error 12 - wrong cqr status*/
+		snprintf(errorstring, ERRORLENGTH, "12 %p %x02", cqr, cqr->status);
+		dev_err(&device->cdev->dev,
+			"An error occurred in the DASD device driver, "
+			"reason=%s\n", errorstring);
+		BUG();
+	}
+	if (cqr->callback)
+		cqr->callback(cqr, cqr->callback_data);
+}
+
 /*
  * the cqrs from the final queue are returned to the upper layer
  * by setting a dasd_block state and calling the callback function
@@ -1895,40 +1867,18 @@ static void __dasd_device_process_final_queue(struct dasd_device *device,
 	struct list_head *l, *n;
 	struct dasd_ccw_req *cqr;
 	struct dasd_block *block;
-	void (*callback)(struct dasd_ccw_req *, void *data);
-	void *callback_data;
-	char errorstring[ERRORLENGTH];
 
 	list_for_each_safe(l, n, final_queue) {
 		cqr = list_entry(l, struct dasd_ccw_req, devlist);
 		list_del_init(&cqr->devlist);
 		block = cqr->block;
-		callback = cqr->callback;
-		callback_data = cqr->callback_data;
-		if (block)
+		if (!block) {
+			__dasd_process_cqr(device, cqr);
+		} else {
 			spin_lock_bh(&block->queue_lock);
-		switch (cqr->status) {
-		case DASD_CQR_SUCCESS:
-			cqr->status = DASD_CQR_DONE;
-			break;
-		case DASD_CQR_ERROR:
-			cqr->status = DASD_CQR_NEED_ERP;
-			break;
-		case DASD_CQR_CLEARED:
-			cqr->status = DASD_CQR_TERMINATED;
-			break;
-		default:
-			/* internal error 12 - wrong cqr status*/
-			snprintf(errorstring, ERRORLENGTH, "12 %p %x02", cqr, cqr->status);
-			dev_err(&device->cdev->dev,
-				"An error occurred in the DASD device driver, "
-				"reason=%s\n", errorstring);
-			BUG();
-		}
-		if (cqr->callback != NULL)
-			(callback)(cqr, callback_data);
-		if (block)
+			__dasd_process_cqr(device, cqr);
 			spin_unlock_bh(&block->queue_lock);
+		}
 	}
 }
 
@@ -3041,7 +2991,6 @@ static blk_status_t do_dasd_request(struct blk_mq_hw_ctx *hctx,
 	cqr->callback_data = req;
 	cqr->status = DASD_CQR_FILLED;
 	cqr->dq = dq;
-	*((struct dasd_ccw_req **) blk_mq_rq_to_pdu(req)) = cqr;
 
 	blk_mq_start_request(req);
 	spin_lock(&block->queue_lock);
@@ -3072,7 +3021,7 @@ enum blk_eh_timer_return dasd_times_out(struct request *req, bool reserved)
 	unsigned long flags;
 	int rc = 0;
 
-	cqr = *((struct dasd_ccw_req **) blk_mq_rq_to_pdu(req));
+	cqr = blk_mq_rq_to_pdu(req);
 	if (!cqr)
 		return BLK_EH_DONE;
 
@@ -3174,9 +3123,9 @@ static int dasd_alloc_queue(struct dasd_block *block)
 	int rc;
 
 	block->tag_set.ops = &dasd_mq_ops;
-	block->tag_set.cmd_size = sizeof(struct dasd_ccw_req *);
-	block->tag_set.nr_hw_queues = DASD_NR_HW_QUEUES;
-	block->tag_set.queue_depth = DASD_MAX_LCU_DEV * DASD_REQ_PER_DEV;
+	block->tag_set.cmd_size = sizeof(struct dasd_ccw_req);
+	block->tag_set.nr_hw_queues = nr_hw_queues;
+	block->tag_set.queue_depth = queue_depth;
 	block->tag_set.flags = BLK_MQ_F_SHOULD_MERGE;
 
 	rc = blk_mq_alloc_tag_set(&block->tag_set);
@@ -4038,7 +3987,8 @@ static struct dasd_ccw_req *dasd_generic_build_rdc(struct dasd_device *device,
 	struct ccw1 *ccw;
 	unsigned long *idaw;
 
-	cqr = dasd_smalloc_request(magic, 1 /* RDC */, rdc_buffer_size, device);
+	cqr = dasd_smalloc_request(magic, 1 /* RDC */, rdc_buffer_size, device,
+				   NULL);
 
 	if (IS_ERR(cqr)) {
 		/* internal error 13 - Allocating the RDC request failed*/
diff --git a/drivers/s390/block/dasd_alias.c b/drivers/s390/block/dasd_alias.c
index 5e963fe0e38d..e36a114354fc 100644
--- a/drivers/s390/block/dasd_alias.c
+++ b/drivers/s390/block/dasd_alias.c
@@ -407,9 +407,9 @@ static int read_unit_address_configuration(struct dasd_device *device,
 	int rc;
 	unsigned long flags;
 
-	cqr = dasd_kmalloc_request(DASD_ECKD_MAGIC, 1 /* PSF */	+ 1 /* RSSD */,
+	cqr = dasd_smalloc_request(DASD_ECKD_MAGIC, 1 /* PSF */	+ 1 /* RSSD */,
 				   (sizeof(struct dasd_psf_prssd_data)),
-				   device);
+				   device, NULL);
 	if (IS_ERR(cqr))
 		return PTR_ERR(cqr);
 	cqr->startdev = device;
@@ -457,7 +457,7 @@ static int read_unit_address_configuration(struct dasd_device *device,
 		lcu->flags |= NEED_UAC_UPDATE;
 		spin_unlock_irqrestore(&lcu->lock, flags);
 	}
-	dasd_kfree_request(cqr, cqr->memdev);
+	dasd_sfree_request(cqr, cqr->memdev);
 	return rc;
 }
 
diff --git a/drivers/s390/block/dasd_diag.c b/drivers/s390/block/dasd_diag.c
index 131f1989f6f3..e1fe02477ea8 100644
--- a/drivers/s390/block/dasd_diag.c
+++ b/drivers/s390/block/dasd_diag.c
@@ -536,7 +536,8 @@ static struct dasd_ccw_req *dasd_diag_build_cp(struct dasd_device *memdev,
 	/* Build the request */
 	datasize = sizeof(struct dasd_diag_req) +
 		count*sizeof(struct dasd_diag_bio);
-	cqr = dasd_smalloc_request(DASD_DIAG_MAGIC, 0, datasize, memdev);
+	cqr = dasd_smalloc_request(DASD_DIAG_MAGIC, 0, datasize, memdev,
+				   blk_mq_rq_to_pdu(req));
 	if (IS_ERR(cqr))
 		return cqr;
 
diff --git a/drivers/s390/block/dasd_eckd.c b/drivers/s390/block/dasd_eckd.c
index be208e7adcb4..bbf95b78ef5d 100644
--- a/drivers/s390/block/dasd_eckd.c
+++ b/drivers/s390/block/dasd_eckd.c
@@ -886,7 +886,7 @@ static int dasd_eckd_read_conf_lpm(struct dasd_device *device,
 	}
 	cqr = dasd_smalloc_request(DASD_ECKD_MAGIC, 1 /* RCD */,
 				   0, /* use rcd_buf as data ara */
-				   device);
+				   device, NULL);
 	if (IS_ERR(cqr)) {
 		DBF_DEV_EVENT(DBF_WARNING, device, "%s",
 			      "Could not allocate RCD request");
@@ -1442,7 +1442,7 @@ static int dasd_eckd_read_features(struct dasd_device *device)
 	cqr = dasd_smalloc_request(DASD_ECKD_MAGIC, 1 /* PSF */	+ 1 /* RSSD */,
 				   (sizeof(struct dasd_psf_prssd_data) +
 				    sizeof(struct dasd_rssd_features)),
-				   device);
+				   device, NULL);
 	if (IS_ERR(cqr)) {
 		DBF_EVENT_DEVID(DBF_WARNING, device->cdev, "%s", "Could not "
 				"allocate initialization request");
@@ -1504,7 +1504,7 @@ static struct dasd_ccw_req *dasd_eckd_build_psf_ssc(struct dasd_device *device,
 
 	cqr = dasd_smalloc_request(DASD_ECKD_MAGIC, 1 /* PSF */ ,
 				  sizeof(struct dasd_psf_ssc_data),
-				  device);
+				   device, NULL);
 
 	if (IS_ERR(cqr)) {
 		DBF_DEV_EVENT(DBF_WARNING, device, "%s",
@@ -1815,7 +1815,8 @@ dasd_eckd_analysis_ccw(struct dasd_device *device)
 
 	cplength = 8;
 	datasize = sizeof(struct DE_eckd_data) + 2*sizeof(struct LO_eckd_data);
-	cqr = dasd_smalloc_request(DASD_ECKD_MAGIC, cplength, datasize, device);
+	cqr = dasd_smalloc_request(DASD_ECKD_MAGIC, cplength, datasize, device,
+				   NULL);
 	if (IS_ERR(cqr))
 		return cqr;
 	ccw = cqr->cpaddr;
@@ -2092,7 +2093,8 @@ dasd_eckd_build_check_tcw(struct dasd_device *base, struct format_data_t *fdata,
 	 */
 	itcw_size = itcw_calc_size(0, count, 0);
 
-	cqr = dasd_smalloc_request(DASD_ECKD_MAGIC, 0, itcw_size, startdev);
+	cqr = dasd_smalloc_request(DASD_ECKD_MAGIC, 0, itcw_size, startdev,
+				   NULL);
 	if (IS_ERR(cqr))
 		return cqr;
 
@@ -2186,7 +2188,7 @@ dasd_eckd_build_check(struct dasd_device *base, struct format_data_t *fdata,
 	cplength += count;
 
 	cqr = dasd_smalloc_request(DASD_ECKD_MAGIC, cplength, datasize,
-				  startdev);
+				   startdev, NULL);
 	if (IS_ERR(cqr))
 		return cqr;
 
@@ -2332,7 +2334,7 @@ dasd_eckd_build_format(struct dasd_device *base,
 	}
 	/* Allocate the format ccw request. */
 	fcp = dasd_smalloc_request(DASD_ECKD_MAGIC, cplength,
-				   datasize, startdev);
+				   datasize, startdev, NULL);
 	if (IS_ERR(fcp))
 		return fcp;
 
@@ -3103,7 +3105,7 @@ static struct dasd_ccw_req *dasd_eckd_build_cp_cmd_single(
 	}
 	/* Allocate the ccw request. */
 	cqr = dasd_smalloc_request(DASD_ECKD_MAGIC, cplength, datasize,
-				   startdev);
+				   startdev, blk_mq_rq_to_pdu(req));
 	if (IS_ERR(cqr))
 		return cqr;
 	ccw = cqr->cpaddr;
@@ -3262,7 +3264,7 @@ static struct dasd_ccw_req *dasd_eckd_build_cp_cmd_track(
 
 	/* Allocate the ccw request. */
 	cqr = dasd_smalloc_request(DASD_ECKD_MAGIC, cplength, datasize,
-				   startdev);
+				   startdev, blk_mq_rq_to_pdu(req));
 	if (IS_ERR(cqr))
 		return cqr;
 	ccw = cqr->cpaddr;
@@ -3595,7 +3597,8 @@ static struct dasd_ccw_req *dasd_eckd_build_cp_tpm_track(
 
 	/* Allocate the ccw request. */
 	itcw_size = itcw_calc_size(0, ctidaw, 0);
-	cqr = dasd_smalloc_request(DASD_ECKD_MAGIC, 0, itcw_size, startdev);
+	cqr = dasd_smalloc_request(DASD_ECKD_MAGIC, 0, itcw_size, startdev,
+				   blk_mq_rq_to_pdu(req));
 	if (IS_ERR(cqr))
 		return cqr;
 
@@ -3862,7 +3865,7 @@ static struct dasd_ccw_req *dasd_eckd_build_cp_raw(struct dasd_device *startdev,
 
 	/* Allocate the ccw request. */
 	cqr = dasd_smalloc_request(DASD_ECKD_MAGIC, cplength,
-				   datasize, startdev);
+				   datasize, startdev, blk_mq_rq_to_pdu(req));
 	if (IS_ERR(cqr))
 		return cqr;
 
@@ -4102,7 +4105,7 @@ dasd_eckd_release(struct dasd_device *device)
 		return -EACCES;
 
 	useglobal = 0;
-	cqr = dasd_smalloc_request(DASD_ECKD_MAGIC, 1, 32, device);
+	cqr = dasd_smalloc_request(DASD_ECKD_MAGIC, 1, 32, device, NULL);
 	if (IS_ERR(cqr)) {
 		mutex_lock(&dasd_reserve_mutex);
 		useglobal = 1;
@@ -4157,7 +4160,7 @@ dasd_eckd_reserve(struct dasd_device *device)
 		return -EACCES;
 
 	useglobal = 0;
-	cqr = dasd_smalloc_request(DASD_ECKD_MAGIC, 1, 32, device);
+	cqr = dasd_smalloc_request(DASD_ECKD_MAGIC, 1, 32, device, NULL);
 	if (IS_ERR(cqr)) {
 		mutex_lock(&dasd_reserve_mutex);
 		useglobal = 1;
@@ -4211,7 +4214,7 @@ dasd_eckd_steal_lock(struct dasd_device *device)
 		return -EACCES;
 
 	useglobal = 0;
-	cqr = dasd_smalloc_request(DASD_ECKD_MAGIC, 1, 32, device);
+	cqr = dasd_smalloc_request(DASD_ECKD_MAGIC, 1, 32, device, NULL);
 	if (IS_ERR(cqr)) {
 		mutex_lock(&dasd_reserve_mutex);
 		useglobal = 1;
@@ -4271,7 +4274,8 @@ static int dasd_eckd_snid(struct dasd_device *device,
 
 	useglobal = 0;
 	cqr = dasd_smalloc_request(DASD_ECKD_MAGIC, 1,
-				   sizeof(struct dasd_snid_data), device);
+				   sizeof(struct dasd_snid_data), device,
+				   NULL);
 	if (IS_ERR(cqr)) {
 		mutex_lock(&dasd_reserve_mutex);
 		useglobal = 1;
@@ -4331,7 +4335,7 @@ dasd_eckd_performance(struct dasd_device *device, void __user *argp)
 	cqr = dasd_smalloc_request(DASD_ECKD_MAGIC, 1 /* PSF */  + 1 /* RSSD */,
 				   (sizeof(struct dasd_psf_prssd_data) +
 				    sizeof(struct dasd_rssd_perf_stats_t)),
-				   device);
+				   device, NULL);
 	if (IS_ERR(cqr)) {
 		DBF_DEV_EVENT(DBF_WARNING, device, "%s",
 			    "Could not allocate initialization request");
@@ -4477,7 +4481,7 @@ static int dasd_symm_io(struct dasd_device *device, void __user *argp)
 	psf1 = psf_data[1];
 
 	/* setup CCWs for PSF + RSSD */
-	cqr = dasd_smalloc_request(DASD_ECKD_MAGIC, 2 , 0, device);
+	cqr = dasd_smalloc_request(DASD_ECKD_MAGIC, 2, 0, device, NULL);
 	if (IS_ERR(cqr)) {
 		DBF_DEV_EVENT(DBF_WARNING, device, "%s",
 			"Could not allocate initialization request");
@@ -5037,7 +5041,7 @@ static int dasd_eckd_read_message_buffer(struct dasd_device *device,
 	cqr = dasd_smalloc_request(DASD_ECKD_MAGIC, 1 /* PSF */	+ 1 /* RSSD */,
 				   (sizeof(struct dasd_psf_prssd_data) +
 				    sizeof(struct dasd_rssd_messages)),
-				   device);
+				   device, NULL);
 	if (IS_ERR(cqr)) {
 		DBF_EVENT_DEVID(DBF_WARNING, device->cdev, "%s",
 				"Could not allocate read message buffer request");
@@ -5126,7 +5130,7 @@ static int dasd_eckd_query_host_access(struct dasd_device *device,
 
 	cqr = dasd_smalloc_request(DASD_ECKD_MAGIC, 1 /* PSF */	+ 1 /* RSSD */,
 				   sizeof(struct dasd_psf_prssd_data) + 1,
-				   device);
+				   device, NULL);
 	if (IS_ERR(cqr)) {
 		DBF_EVENT_DEVID(DBF_WARNING, device->cdev, "%s",
 				"Could not allocate read message buffer request");
@@ -5284,8 +5288,8 @@ dasd_eckd_psf_cuir_response(struct dasd_device *device, int response,
 	int rc;
 
 	cqr = dasd_smalloc_request(DASD_ECKD_MAGIC, 1 /* PSF */ ,
-				  sizeof(struct dasd_psf_cuir_response),
-				  device);
+				   sizeof(struct dasd_psf_cuir_response),
+				   device, NULL);
 
 	if (IS_ERR(cqr)) {
 		DBF_DEV_EVENT(DBF_WARNING, device, "%s",
diff --git a/drivers/s390/block/dasd_eer.c b/drivers/s390/block/dasd_eer.c
index 0af8c5295b65..6ef8714dc693 100644
--- a/drivers/s390/block/dasd_eer.c
+++ b/drivers/s390/block/dasd_eer.c
@@ -447,7 +447,7 @@ static void dasd_eer_snss_cb(struct dasd_ccw_req *cqr, void *data)
 		 * is a new ccw in device->eer_cqr. Free the "old"
 		 * snss request now.
 		 */
-		dasd_kfree_request(cqr, device);
+		dasd_sfree_request(cqr, device);
 }
 
 /*
@@ -472,8 +472,8 @@ int dasd_eer_enable(struct dasd_device *device)
 	if (rc)
 		goto out;
 
-	cqr = dasd_kmalloc_request(DASD_ECKD_MAGIC, 1 /* SNSS */,
-				   SNSS_DATA_SIZE, device);
+	cqr = dasd_smalloc_request(DASD_ECKD_MAGIC, 1 /* SNSS */,
+				   SNSS_DATA_SIZE, device, NULL);
 	if (IS_ERR(cqr)) {
 		rc = -ENOMEM;
 		cqr = NULL;
@@ -505,7 +505,7 @@ out:
 	spin_unlock_irqrestore(get_ccwdev_lock(device->cdev), flags);
 
 	if (cqr)
-		dasd_kfree_request(cqr, device);
+		dasd_sfree_request(cqr, device);
 
 	return rc;
 }
@@ -528,7 +528,7 @@ void dasd_eer_disable(struct dasd_device *device)
 	in_use = test_and_clear_bit(DASD_FLAG_EER_IN_USE, &device->flags);
 	spin_unlock_irqrestore(get_ccwdev_lock(device->cdev), flags);
 	if (cqr && !in_use)
-		dasd_kfree_request(cqr, device);
+		dasd_sfree_request(cqr, device);
 }
 
 /*
diff --git a/drivers/s390/block/dasd_fba.c b/drivers/s390/block/dasd_fba.c
index a6b132f7e869..56007a3e7f11 100644
--- a/drivers/s390/block/dasd_fba.c
+++ b/drivers/s390/block/dasd_fba.c
@@ -356,7 +356,8 @@ static struct dasd_ccw_req *dasd_fba_build_cp_discard(
 	datasize = sizeof(struct DE_fba_data) +
 		nr_ccws * (sizeof(struct LO_fba_data) + sizeof(struct ccw1));
 
-	cqr = dasd_smalloc_request(DASD_FBA_MAGIC, cplength, datasize, memdev);
+	cqr = dasd_smalloc_request(DASD_FBA_MAGIC, cplength, datasize, memdev,
+				   blk_mq_rq_to_pdu(req));
 	if (IS_ERR(cqr))
 		return cqr;
 
@@ -490,7 +491,8 @@ static struct dasd_ccw_req *dasd_fba_build_cp_regular(
 		datasize += (count - 1)*sizeof(struct LO_fba_data);
 	}
 	/* Allocate the ccw request. */
-	cqr = dasd_smalloc_request(DASD_FBA_MAGIC, cplength, datasize, memdev);
+	cqr = dasd_smalloc_request(DASD_FBA_MAGIC, cplength, datasize, memdev,
+				   blk_mq_rq_to_pdu(req));
 	if (IS_ERR(cqr))
 		return cqr;
 	ccw = cqr->cpaddr;
diff --git a/drivers/s390/block/dasd_int.h b/drivers/s390/block/dasd_int.h
index 96709b1a7bf8..de6b96036aa4 100644
--- a/drivers/s390/block/dasd_int.h
+++ b/drivers/s390/block/dasd_int.h
@@ -158,40 +158,33 @@ do { \
 
 struct dasd_ccw_req {
 	unsigned int magic;		/* Eye catcher */
+	int intrc;			/* internal error, e.g. from start_IO */
 	struct list_head devlist;	/* for dasd_device request queue */
 	struct list_head blocklist;	/* for dasd_block request queue */
-
-	/* Where to execute what... */
 	struct dasd_block *block;	/* the originating block device */
 	struct dasd_device *memdev;	/* the device used to allocate this */
 	struct dasd_device *startdev;	/* device the request is started on */
 	struct dasd_device *basedev;	/* base device if no block->base */
 	void *cpaddr;			/* address of ccw or tcw */
+	short retries;			/* A retry counter */
 	unsigned char cpmode;		/* 0 = cmd mode, 1 = itcw */
 	char status;			/* status of this request */
-	short retries;			/* A retry counter */
+	char lpm;			/* logical path mask */
 	unsigned long flags;        	/* flags of this request */
 	struct dasd_queue *dq;
-
-	/* ... and how */
 	unsigned long starttime;	/* jiffies time of request start */
 	unsigned long expires;		/* expiration period in jiffies */
-	char lpm;			/* logical path mask */
 	void *data;			/* pointer to data area */
-
-	/* these are important for recovering erroneous requests          */
-	int intrc;			/* internal error, e.g. from start_IO */
 	struct irb irb;			/* device status in case of an error */
 	struct dasd_ccw_req *refers;	/* ERP-chain queueing. */
 	void *function; 		/* originating ERP action */
+	void *mem_chunk;
 
-	/* these are for statistics only */
 	unsigned long buildclk;		/* TOD-clock of request generation */
 	unsigned long startclk;		/* TOD-clock of request start */
 	unsigned long stopclk;		/* TOD-clock of request interrupt */
 	unsigned long endclk;		/* TOD-clock of request termination */
 
-        /* Callback that is called after reaching final status. */
 	void (*callback)(struct dasd_ccw_req *, void *data);
 	void *callback_data;
 };
@@ -235,14 +228,6 @@ struct dasd_ccw_req {
 #define DASD_CQR_SUPPRESS_IL	6	/* Suppress 'Incorrect Length' error */
 #define DASD_CQR_SUPPRESS_CR	7	/* Suppress 'Command Reject' error */
 
-/*
- * There is no reliable way to determine the number of available CPUs on
- * LPAR but there is no big performance difference between 1 and the
- * maximum CPU number.
- * 64 is a good trade off performance wise.
- */
-#define DASD_NR_HW_QUEUES 64
-#define DASD_MAX_LCU_DEV 256
 #define DASD_REQ_PER_DEV 4
 
 /* Signature for error recovery functions. */
@@ -714,19 +699,10 @@ extern const struct block_device_operations dasd_device_operations;
 extern struct kmem_cache *dasd_page_cache;
 
 struct dasd_ccw_req *
-dasd_kmalloc_request(int , int, int, struct dasd_device *);
-struct dasd_ccw_req *
-dasd_smalloc_request(int , int, int, struct dasd_device *);
-void dasd_kfree_request(struct dasd_ccw_req *, struct dasd_device *);
+dasd_smalloc_request(int, int, int, struct dasd_device *, struct dasd_ccw_req *);
 void dasd_sfree_request(struct dasd_ccw_req *, struct dasd_device *);
 void dasd_wakeup_cb(struct dasd_ccw_req *, void *);
 
-static inline int
-dasd_kmalloc_set_cda(struct ccw1 *ccw, void *cda, struct dasd_device *device)
-{
-	return set_normalized_cda(ccw, cda);
-}
-
 struct dasd_device *dasd_alloc_device(void);
 void dasd_free_device(struct dasd_device *);
 
diff --git a/drivers/s390/cio/Makefile b/drivers/s390/cio/Makefile
index a070ef0efe65..f230516abb96 100644
--- a/drivers/s390/cio/Makefile
+++ b/drivers/s390/cio/Makefile
@@ -5,6 +5,7 @@
 
 # The following is required for define_trace.h to find ./trace.h
 CFLAGS_trace.o := -I$(src)
+CFLAGS_vfio_ccw_fsm.o := -I$(src)
 
 obj-y += airq.o blacklist.o chsc.o cio.o css.o chp.o idset.o isc.o \
 	fcx.o itcw.o crw.o ccwreq.o trace.o ioasm.o
diff --git a/drivers/s390/cio/vfio_ccw_cp.c b/drivers/s390/cio/vfio_ccw_cp.c
index dce92b2a895d..dbe7c7ac9ac8 100644
--- a/drivers/s390/cio/vfio_ccw_cp.c
+++ b/drivers/s390/cio/vfio_ccw_cp.c
@@ -23,9 +23,13 @@
 #define CCWCHAIN_LEN_MAX	256
 
 struct pfn_array {
+	/* Starting guest physical I/O address. */
 	unsigned long		pa_iova;
+	/* Array that stores PFNs of the pages need to pin. */
 	unsigned long		*pa_iova_pfn;
+	/* Array that receives PFNs of the pages pinned. */
 	unsigned long		*pa_pfn;
+	/* Number of pages pinned from @pa_iova. */
 	int			pa_nr;
 };
 
@@ -46,70 +50,33 @@ struct ccwchain {
 };
 
 /*
- * pfn_array_pin() - pin user pages in memory
+ * pfn_array_alloc_pin() - alloc memory for PFNs, then pin user pages in memory
  * @pa: pfn_array on which to perform the operation
  * @mdev: the mediated device to perform pin/unpin operations
+ * @iova: target guest physical address
+ * @len: number of bytes that should be pinned from @iova
  *
- * Attempt to pin user pages in memory.
+ * Attempt to allocate memory for PFNs, and pin user pages in memory.
  *
  * Usage of pfn_array:
- * @pa->pa_iova     starting guest physical I/O address. Assigned by caller.
- * @pa->pa_iova_pfn array that stores PFNs of the pages need to pin. Allocated
- *                  by caller.
- * @pa->pa_pfn      array that receives PFNs of the pages pinned. Allocated by
- *                  caller.
- * @pa->pa_nr       number of pages from @pa->pa_iova to pin. Assigned by
- *                  caller.
- *                  number of pages pinned. Assigned by callee.
+ * We expect (pa_nr == 0) and (pa_iova_pfn == NULL), any field in
+ * this structure will be filled in by this function.
  *
  * Returns:
  *   Number of pages pinned on success.
- *   If @pa->pa_nr is 0 or negative, returns 0.
+ *   If @pa->pa_nr is not 0, or @pa->pa_iova_pfn is not NULL initially,
+ *   returns -EINVAL.
  *   If no pages were pinned, returns -errno.
  */
-static int pfn_array_pin(struct pfn_array *pa, struct device *mdev)
-{
-	int i, ret;
-
-	if (pa->pa_nr <= 0) {
-		pa->pa_nr = 0;
-		return 0;
-	}
-
-	pa->pa_iova_pfn[0] = pa->pa_iova >> PAGE_SHIFT;
-	for (i = 1; i < pa->pa_nr; i++)
-		pa->pa_iova_pfn[i] = pa->pa_iova_pfn[i - 1] + 1;
-
-	ret = vfio_pin_pages(mdev, pa->pa_iova_pfn, pa->pa_nr,
-			     IOMMU_READ | IOMMU_WRITE, pa->pa_pfn);
-
-	if (ret > 0 && ret != pa->pa_nr) {
-		vfio_unpin_pages(mdev, pa->pa_iova_pfn, ret);
-		pa->pa_nr = 0;
-		return 0;
-	}
-
-	return ret;
-}
-
-/* Unpin the pages before releasing the memory. */
-static void pfn_array_unpin_free(struct pfn_array *pa, struct device *mdev)
-{
-	vfio_unpin_pages(mdev, pa->pa_iova_pfn, pa->pa_nr);
-	pa->pa_nr = 0;
-	kfree(pa->pa_iova_pfn);
-}
-
-/* Alloc memory for PFNs, then pin pages with them. */
 static int pfn_array_alloc_pin(struct pfn_array *pa, struct device *mdev,
 			       u64 iova, unsigned int len)
 {
-	int ret = 0;
+	int i, ret = 0;
 
 	if (!len)
 		return 0;
 
-	if (pa->pa_nr)
+	if (pa->pa_nr || pa->pa_iova_pfn)
 		return -EINVAL;
 
 	pa->pa_iova = iova;
@@ -126,18 +93,39 @@ static int pfn_array_alloc_pin(struct pfn_array *pa, struct device *mdev,
 		return -ENOMEM;
 	pa->pa_pfn = pa->pa_iova_pfn + pa->pa_nr;
 
-	ret = pfn_array_pin(pa, mdev);
+	pa->pa_iova_pfn[0] = pa->pa_iova >> PAGE_SHIFT;
+	for (i = 1; i < pa->pa_nr; i++)
+		pa->pa_iova_pfn[i] = pa->pa_iova_pfn[i - 1] + 1;
 
-	if (ret > 0)
-		return ret;
-	else if (!ret)
+	ret = vfio_pin_pages(mdev, pa->pa_iova_pfn, pa->pa_nr,
+			     IOMMU_READ | IOMMU_WRITE, pa->pa_pfn);
+
+	if (ret < 0) {
+		goto err_out;
+	} else if (ret > 0 && ret != pa->pa_nr) {
+		vfio_unpin_pages(mdev, pa->pa_iova_pfn, ret);
 		ret = -EINVAL;
+		goto err_out;
+	}
 
+	return ret;
+
+err_out:
+	pa->pa_nr = 0;
 	kfree(pa->pa_iova_pfn);
+	pa->pa_iova_pfn = NULL;
 
 	return ret;
 }
 
+/* Unpin the pages before releasing the memory. */
+static void pfn_array_unpin_free(struct pfn_array *pa, struct device *mdev)
+{
+	vfio_unpin_pages(mdev, pa->pa_iova_pfn, pa->pa_nr);
+	pa->pa_nr = 0;
+	kfree(pa->pa_iova_pfn);
+}
+
 static int pfn_array_table_init(struct pfn_array_table *pat, int nr)
 {
 	pat->pat_pa = kcalloc(nr, sizeof(*pat->pat_pa), GFP_KERNEL);
@@ -365,6 +353,9 @@ static void cp_unpin_free(struct channel_program *cp)
  * This is the chain length not considering any TICs.
  * You need to do a new round for each TIC target.
  *
+ * The program is also validated for absence of not yet supported
+ * indirect data addressing scenarios.
+ *
  * Returns: the length of the ccw chain or -errno.
  */
 static int ccwchain_calc_length(u64 iova, struct channel_program *cp)
@@ -391,6 +382,14 @@ static int ccwchain_calc_length(u64 iova, struct channel_program *cp)
 	do {
 		cnt++;
 
+		/*
+		 * As we don't want to fail direct addressing even if the
+		 * orb specified one of the unsupported formats, we defer
+		 * checking for IDAWs in unsupported formats to here.
+		 */
+		if ((!cp->orb.cmd.c64 || cp->orb.cmd.i2k) && ccw_is_idal(ccw))
+			return -EOPNOTSUPP;
+
 		if ((!ccw_is_chain(ccw)) && (!ccw_is_tic(ccw)))
 			break;
 
@@ -503,7 +502,7 @@ static int ccwchain_fetch_direct(struct ccwchain *chain,
 	struct ccw1 *ccw;
 	struct pfn_array_table *pat;
 	unsigned long *idaws;
-	int idaw_nr;
+	int ret;
 
 	ccw = chain->ch_ccw + idx;
 
@@ -523,18 +522,19 @@ static int ccwchain_fetch_direct(struct ccwchain *chain,
 	 * needed when translating a direct ccw to a idal ccw.
 	 */
 	pat = chain->ch_pat + idx;
-	if (pfn_array_table_init(pat, 1))
-		return -ENOMEM;
-	idaw_nr = pfn_array_alloc_pin(pat->pat_pa, cp->mdev,
-				      ccw->cda, ccw->count);
-	if (idaw_nr < 0)
-		return idaw_nr;
+	ret = pfn_array_table_init(pat, 1);
+	if (ret)
+		goto out_init;
+
+	ret = pfn_array_alloc_pin(pat->pat_pa, cp->mdev, ccw->cda, ccw->count);
+	if (ret < 0)
+		goto out_init;
 
 	/* Translate this direct ccw to a idal ccw. */
-	idaws = kcalloc(idaw_nr, sizeof(*idaws), GFP_DMA | GFP_KERNEL);
+	idaws = kcalloc(ret, sizeof(*idaws), GFP_DMA | GFP_KERNEL);
 	if (!idaws) {
-		pfn_array_table_unpin_free(pat, cp->mdev);
-		return -ENOMEM;
+		ret = -ENOMEM;
+		goto out_unpin;
 	}
 	ccw->cda = (__u32) virt_to_phys(idaws);
 	ccw->flags |= CCW_FLAG_IDA;
@@ -542,6 +542,12 @@ static int ccwchain_fetch_direct(struct ccwchain *chain,
 	pfn_array_table_idal_create_words(pat, idaws);
 
 	return 0;
+
+out_unpin:
+	pfn_array_table_unpin_free(pat, cp->mdev);
+out_init:
+	ccw->cda = 0;
+	return ret;
 }
 
 static int ccwchain_fetch_idal(struct ccwchain *chain,
@@ -571,7 +577,7 @@ static int ccwchain_fetch_idal(struct ccwchain *chain,
 	pat = chain->ch_pat + idx;
 	ret = pfn_array_table_init(pat, idaw_nr);
 	if (ret)
-		return ret;
+		goto out_init;
 
 	/* Translate idal ccw to use new allocated idaws. */
 	idaws = kzalloc(idaw_len, GFP_DMA | GFP_KERNEL);
@@ -603,6 +609,8 @@ out_free_idaws:
 	kfree(idaws);
 out_unpin:
 	pfn_array_table_unpin_free(pat, cp->mdev);
+out_init:
+	ccw->cda = 0;
 	return ret;
 }
 
@@ -656,10 +664,8 @@ int cp_init(struct channel_program *cp, struct device *mdev, union orb *orb)
 	/*
 	 * XXX:
 	 * Only support prefetch enable mode now.
-	 * Only support 64bit addressing idal.
-	 * Only support 4k IDAW.
 	 */
-	if (!orb->cmd.pfch || !orb->cmd.c64 || orb->cmd.i2k)
+	if (!orb->cmd.pfch)
 		return -EOPNOTSUPP;
 
 	INIT_LIST_HEAD(&cp->ccwchain_list);
@@ -688,6 +694,10 @@ int cp_init(struct channel_program *cp, struct device *mdev, union orb *orb)
 	ret = ccwchain_loop_tic(chain, cp);
 	if (ret)
 		cp_unpin_free(cp);
+	/* It is safe to force: if not set but idals used
+	 * ccwchain_calc_length returns an error.
+	 */
+	cp->orb.cmd.c64 = 1;
 
 	return ret;
 }
diff --git a/drivers/s390/cio/vfio_ccw_drv.c b/drivers/s390/cio/vfio_ccw_drv.c
index ea6a2d0b2894..770fa9cfc310 100644
--- a/drivers/s390/cio/vfio_ccw_drv.c
+++ b/drivers/s390/cio/vfio_ccw_drv.c
@@ -177,6 +177,7 @@ static int vfio_ccw_sch_event(struct subchannel *sch, int process)
 {
 	struct vfio_ccw_private *private = dev_get_drvdata(&sch->dev);
 	unsigned long flags;
+	int rc = -EAGAIN;
 
 	spin_lock_irqsave(sch->lock, flags);
 	if (!device_is_registered(&sch->dev))
@@ -187,6 +188,7 @@ static int vfio_ccw_sch_event(struct subchannel *sch, int process)
 
 	if (cio_update_schib(sch)) {
 		vfio_ccw_fsm_event(private, VFIO_CCW_EVENT_NOT_OPER);
+		rc = 0;
 		goto out_unlock;
 	}
 
@@ -195,11 +197,12 @@ static int vfio_ccw_sch_event(struct subchannel *sch, int process)
 		private->state = private->mdev ? VFIO_CCW_STATE_IDLE :
 				 VFIO_CCW_STATE_STANDBY;
 	}
+	rc = 0;
 
 out_unlock:
 	spin_unlock_irqrestore(sch->lock, flags);
 
-	return 0;
+	return rc;
 }
 
 static struct css_device_id vfio_ccw_sch_ids[] = {
diff --git a/drivers/s390/cio/vfio_ccw_fsm.c b/drivers/s390/cio/vfio_ccw_fsm.c
index 3c800642134e..797a82731159 100644
--- a/drivers/s390/cio/vfio_ccw_fsm.c
+++ b/drivers/s390/cio/vfio_ccw_fsm.c
@@ -13,6 +13,9 @@
 #include "ioasm.h"
 #include "vfio_ccw_private.h"
 
+#define CREATE_TRACE_POINTS
+#include "vfio_ccw_trace.h"
+
 static int fsm_io_helper(struct vfio_ccw_private *private)
 {
 	struct subchannel *sch;
@@ -110,6 +113,10 @@ static void fsm_disabled_irq(struct vfio_ccw_private *private,
 	 */
 	cio_disable_subchannel(sch);
 }
+inline struct subchannel_id get_schid(struct vfio_ccw_private *p)
+{
+	return p->sch->schid;
+}
 
 /*
  * Deal with the ccw command request from the userspace.
@@ -121,6 +128,7 @@ static void fsm_io_request(struct vfio_ccw_private *private,
 	union scsw *scsw = &private->scsw;
 	struct ccw_io_region *io_region = &private->io_region;
 	struct mdev_device *mdev = private->mdev;
+	char *errstr = "request";
 
 	private->state = VFIO_CCW_STATE_BOXED;
 
@@ -132,15 +140,19 @@ static void fsm_io_request(struct vfio_ccw_private *private,
 		/* Don't try to build a cp if transport mode is specified. */
 		if (orb->tm.b) {
 			io_region->ret_code = -EOPNOTSUPP;
+			errstr = "transport mode";
 			goto err_out;
 		}
 		io_region->ret_code = cp_init(&private->cp, mdev_dev(mdev),
 					      orb);
-		if (io_region->ret_code)
+		if (io_region->ret_code) {
+			errstr = "cp init";
 			goto err_out;
+		}
 
 		io_region->ret_code = cp_prefetch(&private->cp);
 		if (io_region->ret_code) {
+			errstr = "cp prefetch";
 			cp_free(&private->cp);
 			goto err_out;
 		}
@@ -148,6 +160,7 @@ static void fsm_io_request(struct vfio_ccw_private *private,
 		/* Start channel program and wait for I/O interrupt. */
 		io_region->ret_code = fsm_io_helper(private);
 		if (io_region->ret_code) {
+			errstr = "cp fsm_io_helper";
 			cp_free(&private->cp);
 			goto err_out;
 		}
@@ -164,6 +177,8 @@ static void fsm_io_request(struct vfio_ccw_private *private,
 
 err_out:
 	private->state = VFIO_CCW_STATE_IDLE;
+	trace_vfio_ccw_io_fctl(scsw->cmd.fctl, get_schid(private),
+			       io_region->ret_code, errstr);
 }
 
 /*
diff --git a/drivers/s390/cio/vfio_ccw_trace.h b/drivers/s390/cio/vfio_ccw_trace.h
new file mode 100644
index 000000000000..b1da53ddec1f
--- /dev/null
+++ b/drivers/s390/cio/vfio_ccw_trace.h
@@ -0,0 +1,54 @@
+/* SPDX-License-Identifier: GPL-2.0
+ * Tracepoints for vfio_ccw driver
+ *
+ * Copyright IBM Corp. 2018
+ *
+ * Author(s): Dong Jia Shi <bjsdjshi@linux.vnet.ibm.com>
+ *            Halil Pasic <pasic@linux.vnet.ibm.com>
+ */
+
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM vfio_ccw
+
+#if !defined(_VFIO_CCW_TRACE_) || defined(TRACE_HEADER_MULTI_READ)
+#define _VFIO_CCW_TRACE_
+
+#include <linux/tracepoint.h>
+
+TRACE_EVENT(vfio_ccw_io_fctl,
+	TP_PROTO(int fctl, struct subchannel_id schid, int errno, char *errstr),
+	TP_ARGS(fctl, schid, errno, errstr),
+
+	TP_STRUCT__entry(
+		__field(int, fctl)
+		__field_struct(struct subchannel_id, schid)
+		__field(int, errno)
+		__field(char*, errstr)
+	),
+
+	TP_fast_assign(
+		__entry->fctl = fctl;
+		__entry->schid = schid;
+		__entry->errno = errno;
+		__entry->errstr = errstr;
+	),
+
+	TP_printk("schid=%x.%x.%04x fctl=%x errno=%d info=%s",
+		  __entry->schid.cssid,
+		  __entry->schid.ssid,
+		  __entry->schid.sch_no,
+		  __entry->fctl,
+		  __entry->errno,
+		  __entry->errstr)
+);
+
+#endif /* _VFIO_CCW_TRACE_ */
+
+/* This part must be outside protection */
+
+#undef TRACE_INCLUDE_PATH
+#define TRACE_INCLUDE_PATH .
+#undef TRACE_INCLUDE_FILE
+#define TRACE_INCLUDE_FILE vfio_ccw_trace
+
+#include <trace/define_trace.h>
diff --git a/drivers/s390/net/qeth_core.h b/drivers/s390/net/qeth_core.h
index 2a5fec55bf60..a246a618f9a4 100644
--- a/drivers/s390/net/qeth_core.h
+++ b/drivers/s390/net/qeth_core.h
@@ -829,6 +829,17 @@ struct qeth_trap_id {
 /*some helper functions*/
 #define QETH_CARD_IFNAME(card) (((card)->dev)? (card)->dev->name : "")
 
+static inline void qeth_scrub_qdio_buffer(struct qdio_buffer *buf,
+					  unsigned int elements)
+{
+	unsigned int i;
+
+	for (i = 0; i < elements; i++)
+		memset(&buf->element[i], 0, sizeof(struct qdio_buffer_element));
+	buf->element[14].sflags = 0;
+	buf->element[15].sflags = 0;
+}
+
 /**
  * qeth_get_elements_for_range() -	find number of SBALEs to cover range.
  * @start:				Start of the address range.
@@ -1029,7 +1040,7 @@ struct qeth_cmd_buffer *qeth_get_setassparms_cmd(struct qeth_card *,
 						 __u16, __u16,
 						 enum qeth_prot_versions);
 int qeth_set_features(struct net_device *, netdev_features_t);
-void qeth_recover_features(struct net_device *dev);
+void qeth_enable_hw_features(struct net_device *dev);
 netdev_features_t qeth_fix_features(struct net_device *, netdev_features_t);
 netdev_features_t qeth_features_check(struct sk_buff *skb,
 				      struct net_device *dev,
diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c
index 8e1474f1ffac..d01ac29fd986 100644
--- a/drivers/s390/net/qeth_core_main.c
+++ b/drivers/s390/net/qeth_core_main.c
@@ -73,9 +73,6 @@ static void qeth_notify_skbs(struct qeth_qdio_out_q *queue,
 		struct qeth_qdio_out_buffer *buf,
 		enum iucv_tx_notify notification);
 static void qeth_release_skbs(struct qeth_qdio_out_buffer *buf);
-static void qeth_clear_output_buffer(struct qeth_qdio_out_q *queue,
-		struct qeth_qdio_out_buffer *buf,
-		enum qeth_qdio_buffer_states newbufstate);
 static int qeth_init_qdio_out_buf(struct qeth_qdio_out_q *, int);
 
 struct workqueue_struct *qeth_wq;
@@ -489,6 +486,7 @@ static void qeth_qdio_handle_aob(struct qeth_card *card,
 	struct qaob *aob;
 	struct qeth_qdio_out_buffer *buffer;
 	enum iucv_tx_notify notification;
+	unsigned int i;
 
 	aob = (struct qaob *) phys_to_virt(phys_aob_addr);
 	QETH_CARD_TEXT(card, 5, "haob");
@@ -513,10 +511,18 @@ static void qeth_qdio_handle_aob(struct qeth_card *card,
 	qeth_notify_skbs(buffer->q, buffer, notification);
 
 	buffer->aob = NULL;
-	qeth_clear_output_buffer(buffer->q, buffer,
-				 QETH_QDIO_BUF_HANDLED_DELAYED);
+	/* Free dangling allocations. The attached skbs are handled by
+	 * qeth_cleanup_handled_pending().
+	 */
+	for (i = 0;
+	     i < aob->sb_count && i < QETH_MAX_BUFFER_ELEMENTS(card);
+	     i++) {
+		if (aob->sba[i] && buffer->is_header[i])
+			kmem_cache_free(qeth_core_header_cache,
+					(void *) aob->sba[i]);
+	}
+	atomic_set(&buffer->state, QETH_QDIO_BUF_HANDLED_DELAYED);
 
-	/* from here on: do not touch buffer anymore */
 	qdio_release_aob(aob);
 }
 
@@ -3759,6 +3765,10 @@ static void qeth_qdio_output_handler(struct ccw_device *ccwdev,
 			QETH_CARD_TEXT(queue->card, 5, "aob");
 			QETH_CARD_TEXT_(queue->card, 5, "%lx",
 					virt_to_phys(buffer->aob));
+
+			/* prepare the queue slot for re-use: */
+			qeth_scrub_qdio_buffer(buffer->buffer,
+					       QETH_MAX_BUFFER_ELEMENTS(card));
 			if (qeth_init_qdio_out_buf(queue, bidx)) {
 				QETH_CARD_TEXT(card, 2, "outofbuf");
 				qeth_schedule_recovery(card);
@@ -4834,7 +4844,7 @@ int qeth_vm_request_mac(struct qeth_card *card)
 		goto out;
 	}
 
-	ccw_device_get_id(CARD_RDEV(card), &id);
+	ccw_device_get_id(CARD_DDEV(card), &id);
 	request->resp_buf_len = sizeof(*response);
 	request->resp_version = DIAG26C_VERSION2;
 	request->op_code = DIAG26C_GET_MAC;
@@ -6459,28 +6469,27 @@ static int qeth_set_ipa_rx_csum(struct qeth_card *card, bool on)
 #define QETH_HW_FEATURES (NETIF_F_RXCSUM | NETIF_F_IP_CSUM | NETIF_F_TSO | \
 			  NETIF_F_IPV6_CSUM)
 /**
- * qeth_recover_features() - Restore device features after recovery
- * @dev:	the recovering net_device
- *
- * Caller must hold rtnl lock.
+ * qeth_enable_hw_features() - (Re-)Enable HW functions for device features
+ * @dev:	a net_device
  */
-void qeth_recover_features(struct net_device *dev)
+void qeth_enable_hw_features(struct net_device *dev)
 {
-	netdev_features_t features = dev->features;
 	struct qeth_card *card = dev->ml_priv;
+	netdev_features_t features;
 
+	rtnl_lock();
+	features = dev->features;
 	/* force-off any feature that needs an IPA sequence.
 	 * netdev_update_features() will restart them.
 	 */
 	dev->features &= ~QETH_HW_FEATURES;
 	netdev_update_features(dev);
-
-	if (features == dev->features)
-		return;
-	dev_warn(&card->gdev->dev,
-		 "Device recovery failed to restore all offload features\n");
+	if (features != dev->features)
+		dev_warn(&card->gdev->dev,
+			 "Device recovery failed to restore all offload features\n");
+	rtnl_unlock();
 }
-EXPORT_SYMBOL_GPL(qeth_recover_features);
+EXPORT_SYMBOL_GPL(qeth_enable_hw_features);
 
 int qeth_set_features(struct net_device *dev, netdev_features_t features)
 {
diff --git a/drivers/s390/net/qeth_l2_main.c b/drivers/s390/net/qeth_l2_main.c
index a7cb37da6a21..2487f0aeb165 100644
--- a/drivers/s390/net/qeth_l2_main.c
+++ b/drivers/s390/net/qeth_l2_main.c
@@ -140,7 +140,7 @@ static int qeth_l2_send_setmac(struct qeth_card *card, __u8 *mac)
 
 static int qeth_l2_write_mac(struct qeth_card *card, u8 *mac)
 {
-	enum qeth_ipa_cmds cmd = is_multicast_ether_addr_64bits(mac) ?
+	enum qeth_ipa_cmds cmd = is_multicast_ether_addr(mac) ?
 					IPA_CMD_SETGMAC : IPA_CMD_SETVMAC;
 	int rc;
 
@@ -157,7 +157,7 @@ static int qeth_l2_write_mac(struct qeth_card *card, u8 *mac)
 
 static int qeth_l2_remove_mac(struct qeth_card *card, u8 *mac)
 {
-	enum qeth_ipa_cmds cmd = is_multicast_ether_addr_64bits(mac) ?
+	enum qeth_ipa_cmds cmd = is_multicast_ether_addr(mac) ?
 					IPA_CMD_DELGMAC : IPA_CMD_DELVMAC;
 	int rc;
 
@@ -501,27 +501,34 @@ static int qeth_l2_set_mac_address(struct net_device *dev, void *p)
 		return -ERESTARTSYS;
 	}
 
+	/* avoid racing against concurrent state change: */
+	if (!mutex_trylock(&card->conf_mutex))
+		return -EAGAIN;
+
 	if (!qeth_card_hw_is_reachable(card)) {
 		ether_addr_copy(dev->dev_addr, addr->sa_data);
-		return 0;
+		goto out_unlock;
 	}
 
 	/* don't register the same address twice */
 	if (ether_addr_equal_64bits(dev->dev_addr, addr->sa_data) &&
 	    (card->info.mac_bits & QETH_LAYER2_MAC_REGISTERED))
-		return 0;
+		goto out_unlock;
 
 	/* add the new address, switch over, drop the old */
 	rc = qeth_l2_send_setmac(card, addr->sa_data);
 	if (rc)
-		return rc;
+		goto out_unlock;
 	ether_addr_copy(old_addr, dev->dev_addr);
 	ether_addr_copy(dev->dev_addr, addr->sa_data);
 
 	if (card->info.mac_bits & QETH_LAYER2_MAC_REGISTERED)
 		qeth_l2_remove_mac(card, old_addr);
 	card->info.mac_bits |= QETH_LAYER2_MAC_REGISTERED;
-	return 0;
+
+out_unlock:
+	mutex_unlock(&card->conf_mutex);
+	return rc;
 }
 
 static void qeth_promisc_to_bridge(struct qeth_card *card)
@@ -1112,6 +1119,8 @@ static int __qeth_l2_set_online(struct ccwgroup_device *gdev, int recovery_mode)
 		netif_carrier_off(card->dev);
 
 	qeth_set_allowed_threads(card, 0xffffffff, 0);
+
+	qeth_enable_hw_features(card->dev);
 	if (recover_flag == CARD_STATE_RECOVER) {
 		if (recovery_mode &&
 		    card->info.type != QETH_CARD_TYPE_OSN) {
@@ -1123,9 +1132,6 @@ static int __qeth_l2_set_online(struct ccwgroup_device *gdev, int recovery_mode)
 		}
 		/* this also sets saved unicast addresses */
 		qeth_l2_set_rx_mode(card->dev);
-		rtnl_lock();
-		qeth_recover_features(card->dev);
-		rtnl_unlock();
 	}
 	/* let user_space know that device is online */
 	kobject_uevent(&gdev->dev.kobj, KOBJ_CHANGE);
diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c
index e7fa479adf47..5905dc63e256 100644
--- a/drivers/s390/net/qeth_l3_main.c
+++ b/drivers/s390/net/qeth_l3_main.c
@@ -2662,6 +2662,8 @@ static int __qeth_l3_set_online(struct ccwgroup_device *gdev, int recovery_mode)
 		netif_carrier_on(card->dev);
 	else
 		netif_carrier_off(card->dev);
+
+	qeth_enable_hw_features(card->dev);
 	if (recover_flag == CARD_STATE_RECOVER) {
 		rtnl_lock();
 		if (recovery_mode)
@@ -2669,7 +2671,6 @@ static int __qeth_l3_set_online(struct ccwgroup_device *gdev, int recovery_mode)
 		else
 			dev_open(card->dev);
 		qeth_l3_set_rx_mode(card->dev);
-		qeth_recover_features(card->dev);
 		rtnl_unlock();
 	}
 	qeth_trace_features(card);
diff --git a/drivers/scsi/aacraid/aachba.c b/drivers/scsi/aacraid/aachba.c
index a9831bd37a73..a57f3a7d4748 100644
--- a/drivers/scsi/aacraid/aachba.c
+++ b/drivers/scsi/aacraid/aachba.c
@@ -1974,7 +1974,6 @@ static void aac_set_safw_attr_all_targets(struct aac_dev *dev)
 	u32 lun_count, nexus;
 	u32 i, bus, target;
 	u8 expose_flag, attribs;
-	u8 devtype;
 
 	lun_count = aac_get_safw_phys_lun_count(dev);
 
@@ -1992,23 +1991,23 @@ static void aac_set_safw_attr_all_targets(struct aac_dev *dev)
 			continue;
 
 		if (expose_flag != 0) {
-			devtype = AAC_DEVTYPE_RAID_MEMBER;
-			goto update_devtype;
+			dev->hba_map[bus][target].devtype =
+				AAC_DEVTYPE_RAID_MEMBER;
+			continue;
 		}
 
 		if (nexus != 0 && (attribs & 8)) {
-			devtype = AAC_DEVTYPE_NATIVE_RAW;
+			dev->hba_map[bus][target].devtype =
+				AAC_DEVTYPE_NATIVE_RAW;
 			dev->hba_map[bus][target].rmw_nexus =
 					nexus;
 		} else
-			devtype = AAC_DEVTYPE_ARC_RAW;
+			dev->hba_map[bus][target].devtype =
+				AAC_DEVTYPE_ARC_RAW;
 
 		dev->hba_map[bus][target].scan_counter = dev->scan_counter;
 
 		aac_set_safw_target_qd(dev, bus, target);
-
-update_devtype:
-		dev->hba_map[bus][target].devtype = devtype;
 	}
 }
 
diff --git a/drivers/scsi/cxlflash/main.h b/drivers/scsi/cxlflash/main.h
index 2a3977823812..a39be94d110c 100644
--- a/drivers/scsi/cxlflash/main.h
+++ b/drivers/scsi/cxlflash/main.h
@@ -107,12 +107,12 @@ cxlflash_assign_ops(struct dev_dependent_vals *ddv)
 {
 	const struct cxlflash_backend_ops *ops = NULL;
 
-#ifdef CONFIG_OCXL
+#ifdef CONFIG_OCXL_BASE
 	if (ddv->flags & CXLFLASH_OCXL_DEV)
 		ops = &cxlflash_ocxl_ops;
 #endif
 
-#ifdef CONFIG_CXL
+#ifdef CONFIG_CXL_BASE
 	if (!(ddv->flags & CXLFLASH_OCXL_DEV))
 		ops = &cxlflash_cxl_ops;
 #endif
diff --git a/drivers/scsi/cxlflash/ocxl_hw.c b/drivers/scsi/cxlflash/ocxl_hw.c
index 0a95b5f25380..497a68389461 100644
--- a/drivers/scsi/cxlflash/ocxl_hw.c
+++ b/drivers/scsi/cxlflash/ocxl_hw.c
@@ -134,15 +134,14 @@ static struct file *ocxlflash_getfile(struct device *dev, const char *name,
 		rc = PTR_ERR(file);
 		dev_err(dev, "%s: alloc_file failed rc=%d\n",
 			__func__, rc);
-		goto err5;
+		path_put(&path);
+		goto err3;
 	}
 
 	file->f_flags = flags & (O_ACCMODE | O_NONBLOCK);
 	file->private_data = priv;
 out:
 	return file;
-err5:
-	path_put(&path);
 err4:
 	iput(inode);
 err3:
diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c
index 15c7f3b6f35e..58bb70b886d7 100644
--- a/drivers/scsi/hpsa.c
+++ b/drivers/scsi/hpsa.c
@@ -3440,11 +3440,11 @@ static void hpsa_get_enclosure_info(struct ctlr_info *h,
 	struct ext_report_lun_entry *rle = &rlep->LUN[rle_index];
 	u16 bmic_device_index = 0;
 
-	bmic_device_index = GET_BMIC_DRIVE_NUMBER(&rle->lunid[0]);
-
-	encl_dev->sas_address =
+	encl_dev->eli =
 		hpsa_get_enclosure_logical_identifier(h, scsi3addr);
 
+	bmic_device_index = GET_BMIC_DRIVE_NUMBER(&rle->lunid[0]);
+
 	if (encl_dev->target == -1 || encl_dev->lun == -1) {
 		rc = IO_OK;
 		goto out;
@@ -9697,7 +9697,24 @@ hpsa_sas_get_linkerrors(struct sas_phy *phy)
 static int
 hpsa_sas_get_enclosure_identifier(struct sas_rphy *rphy, u64 *identifier)
 {
-	*identifier = rphy->identify.sas_address;
+	struct Scsi_Host *shost = phy_to_shost(rphy);
+	struct ctlr_info *h;
+	struct hpsa_scsi_dev_t *sd;
+
+	if (!shost)
+		return -ENXIO;
+
+	h = shost_to_hba(shost);
+
+	if (!h)
+		return -ENXIO;
+
+	sd = hpsa_find_device_by_sas_rphy(h, rphy);
+	if (!sd)
+		return -ENXIO;
+
+	*identifier = sd->eli;
+
 	return 0;
 }
 
diff --git a/drivers/scsi/hpsa.h b/drivers/scsi/hpsa.h
index fb9f5e7f8209..59e023696fff 100644
--- a/drivers/scsi/hpsa.h
+++ b/drivers/scsi/hpsa.h
@@ -68,6 +68,7 @@ struct hpsa_scsi_dev_t {
 #define RAID_CTLR_LUNID "\0\0\0\0\0\0\0\0"
 	unsigned char device_id[16];    /* from inquiry pg. 0x83 */
 	u64 sas_address;
+	u64 eli;			/* from report diags. */
 	unsigned char vendor[8];        /* bytes 8-15 of inquiry data */
 	unsigned char model[16];        /* bytes 16-31 of inquiry data */
 	unsigned char rev;		/* byte 2 of inquiry data */
diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c
index 0a9b8b387bd2..02d65dce74e5 100644
--- a/drivers/scsi/ipr.c
+++ b/drivers/scsi/ipr.c
@@ -760,7 +760,6 @@ static void ipr_mask_and_clear_interrupts(struct ipr_ioa_cfg *ioa_cfg,
 		ioa_cfg->hrrq[i].allow_interrupts = 0;
 		spin_unlock(&ioa_cfg->hrrq[i]._lock);
 	}
-	wmb();
 
 	/* Set interrupt mask to stop all new interrupts */
 	if (ioa_cfg->sis64)
@@ -8403,7 +8402,6 @@ static int ipr_reset_enable_ioa(struct ipr_cmnd *ipr_cmd)
 		ioa_cfg->hrrq[i].allow_interrupts = 1;
 		spin_unlock(&ioa_cfg->hrrq[i]._lock);
 	}
-	wmb();
 	if (ioa_cfg->sis64) {
 		/* Set the adapter to the correct endian mode. */
 		writel(IPR_ENDIAN_SWAP_KEY, ioa_cfg->regs.endian_swap_reg);
diff --git a/drivers/scsi/qedf/qedf_main.c b/drivers/scsi/qedf/qedf_main.c
index 90394cef0f41..0a5dd5595dd3 100644
--- a/drivers/scsi/qedf/qedf_main.c
+++ b/drivers/scsi/qedf/qedf_main.c
@@ -3295,6 +3295,11 @@ static int __qedf_probe(struct pci_dev *pdev, int mode)
 
 	init_completion(&qedf->flogi_compl);
 
+	status = qed_ops->common->update_drv_state(qedf->cdev, true);
+	if (status)
+		QEDF_ERR(&(qedf->dbg_ctx),
+			"Failed to send drv state to MFW.\n");
+
 	memset(&link_params, 0, sizeof(struct qed_link_params));
 	link_params.link_up = true;
 	status = qed_ops->common->set_link(qedf->cdev, &link_params);
@@ -3343,6 +3348,7 @@ static int qedf_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 static void __qedf_remove(struct pci_dev *pdev, int mode)
 {
 	struct qedf_ctx *qedf;
+	int rc;
 
 	if (!pdev) {
 		QEDF_ERR(NULL, "pdev is NULL.\n");
@@ -3437,6 +3443,12 @@ static void __qedf_remove(struct pci_dev *pdev, int mode)
 		qed_ops->common->set_power_state(qedf->cdev, PCI_D0);
 		pci_set_drvdata(pdev, NULL);
 	}
+
+	rc = qed_ops->common->update_drv_state(qedf->cdev, false);
+	if (rc)
+		QEDF_ERR(&(qedf->dbg_ctx),
+			"Failed to send drv state to MFW.\n");
+
 	qed_ops->common->slowpath_stop(qedf->cdev);
 	qed_ops->common->remove(qedf->cdev);
 
diff --git a/drivers/scsi/qedi/qedi_main.c b/drivers/scsi/qedi/qedi_main.c
index cf274a79e77a..091ec1207bea 100644
--- a/drivers/scsi/qedi/qedi_main.c
+++ b/drivers/scsi/qedi/qedi_main.c
@@ -2273,6 +2273,7 @@ kset_free:
 static void __qedi_remove(struct pci_dev *pdev, int mode)
 {
 	struct qedi_ctx *qedi = pci_get_drvdata(pdev);
+	int rval;
 
 	if (qedi->tmf_thread) {
 		flush_workqueue(qedi->tmf_thread);
@@ -2302,6 +2303,10 @@ static void __qedi_remove(struct pci_dev *pdev, int mode)
 	if (mode == QEDI_MODE_NORMAL)
 		qedi_free_iscsi_pf_param(qedi);
 
+	rval = qedi_ops->common->update_drv_state(qedi->cdev, false);
+	if (rval)
+		QEDI_ERR(&qedi->dbg_ctx, "Failed to send drv state to MFW\n");
+
 	if (!test_bit(QEDI_IN_OFFLINE, &qedi->flags)) {
 		qedi_ops->common->slowpath_stop(qedi->cdev);
 		qedi_ops->common->remove(qedi->cdev);
@@ -2576,6 +2581,12 @@ static int __qedi_probe(struct pci_dev *pdev, int mode)
 		if (qedi_setup_boot_info(qedi))
 			QEDI_ERR(&qedi->dbg_ctx,
 				 "No iSCSI boot target configured\n");
+
+		rc = qedi_ops->common->update_drv_state(qedi->cdev, true);
+		if (rc)
+			QEDI_ERR(&qedi->dbg_ctx,
+				 "Failed to send drv state to MFW\n");
+
 	}
 
 	return 0;
diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h
index 9442e18aef6f..0f94b1d62d3f 100644
--- a/drivers/scsi/qla2xxx/qla_def.h
+++ b/drivers/scsi/qla2xxx/qla_def.h
@@ -361,6 +361,8 @@ struct ct_arg {
 	dma_addr_t	rsp_dma;
 	u32		req_size;
 	u32		rsp_size;
+	u32		req_allocated_size;
+	u32		rsp_allocated_size;
 	void		*req;
 	void		*rsp;
 	port_id_t	id;
diff --git a/drivers/scsi/qla2xxx/qla_gs.c b/drivers/scsi/qla2xxx/qla_gs.c
index 4bc2b66b299f..2c35b0b2baa0 100644
--- a/drivers/scsi/qla2xxx/qla_gs.c
+++ b/drivers/scsi/qla2xxx/qla_gs.c
@@ -556,7 +556,7 @@ err2:
 		/* please ignore kernel warning. otherwise, we have mem leak. */
 		if (sp->u.iocb_cmd.u.ctarg.req) {
 			dma_free_coherent(&vha->hw->pdev->dev,
-			    sizeof(struct ct_sns_pkt),
+			    sp->u.iocb_cmd.u.ctarg.req_allocated_size,
 			    sp->u.iocb_cmd.u.ctarg.req,
 			    sp->u.iocb_cmd.u.ctarg.req_dma);
 			sp->u.iocb_cmd.u.ctarg.req = NULL;
@@ -564,7 +564,7 @@ err2:
 
 		if (sp->u.iocb_cmd.u.ctarg.rsp) {
 			dma_free_coherent(&vha->hw->pdev->dev,
-			    sizeof(struct ct_sns_pkt),
+			    sp->u.iocb_cmd.u.ctarg.rsp_allocated_size,
 			    sp->u.iocb_cmd.u.ctarg.rsp,
 			    sp->u.iocb_cmd.u.ctarg.rsp_dma);
 			sp->u.iocb_cmd.u.ctarg.rsp = NULL;
@@ -617,6 +617,7 @@ static int qla_async_rftid(scsi_qla_host_t *vha, port_id_t *d_id)
 	sp->u.iocb_cmd.u.ctarg.req = dma_alloc_coherent(&vha->hw->pdev->dev,
 	    sizeof(struct ct_sns_pkt), &sp->u.iocb_cmd.u.ctarg.req_dma,
 	    GFP_KERNEL);
+	sp->u.iocb_cmd.u.ctarg.req_allocated_size = sizeof(struct ct_sns_pkt);
 	if (!sp->u.iocb_cmd.u.ctarg.req) {
 		ql_log(ql_log_warn, vha, 0xd041,
 		    "%s: Failed to allocate ct_sns request.\n",
@@ -627,6 +628,7 @@ static int qla_async_rftid(scsi_qla_host_t *vha, port_id_t *d_id)
 	sp->u.iocb_cmd.u.ctarg.rsp = dma_alloc_coherent(&vha->hw->pdev->dev,
 	    sizeof(struct ct_sns_pkt), &sp->u.iocb_cmd.u.ctarg.rsp_dma,
 	    GFP_KERNEL);
+	sp->u.iocb_cmd.u.ctarg.rsp_allocated_size = sizeof(struct ct_sns_pkt);
 	if (!sp->u.iocb_cmd.u.ctarg.rsp) {
 		ql_log(ql_log_warn, vha, 0xd042,
 		    "%s: Failed to allocate ct_sns request.\n",
@@ -712,6 +714,7 @@ static int qla_async_rffid(scsi_qla_host_t *vha, port_id_t *d_id,
 	sp->u.iocb_cmd.u.ctarg.req = dma_alloc_coherent(&vha->hw->pdev->dev,
 	    sizeof(struct ct_sns_pkt), &sp->u.iocb_cmd.u.ctarg.req_dma,
 	    GFP_KERNEL);
+	sp->u.iocb_cmd.u.ctarg.req_allocated_size = sizeof(struct ct_sns_pkt);
 	if (!sp->u.iocb_cmd.u.ctarg.req) {
 		ql_log(ql_log_warn, vha, 0xd041,
 		    "%s: Failed to allocate ct_sns request.\n",
@@ -722,6 +725,7 @@ static int qla_async_rffid(scsi_qla_host_t *vha, port_id_t *d_id,
 	sp->u.iocb_cmd.u.ctarg.rsp = dma_alloc_coherent(&vha->hw->pdev->dev,
 	    sizeof(struct ct_sns_pkt), &sp->u.iocb_cmd.u.ctarg.rsp_dma,
 	    GFP_KERNEL);
+	sp->u.iocb_cmd.u.ctarg.rsp_allocated_size = sizeof(struct ct_sns_pkt);
 	if (!sp->u.iocb_cmd.u.ctarg.rsp) {
 		ql_log(ql_log_warn, vha, 0xd042,
 		    "%s: Failed to allocate ct_sns request.\n",
@@ -802,6 +806,7 @@ static int qla_async_rnnid(scsi_qla_host_t *vha, port_id_t *d_id,
 	sp->u.iocb_cmd.u.ctarg.req = dma_alloc_coherent(&vha->hw->pdev->dev,
 	    sizeof(struct ct_sns_pkt), &sp->u.iocb_cmd.u.ctarg.req_dma,
 	    GFP_KERNEL);
+	sp->u.iocb_cmd.u.ctarg.req_allocated_size = sizeof(struct ct_sns_pkt);
 	if (!sp->u.iocb_cmd.u.ctarg.req) {
 		ql_log(ql_log_warn, vha, 0xd041,
 		    "%s: Failed to allocate ct_sns request.\n",
@@ -812,6 +817,7 @@ static int qla_async_rnnid(scsi_qla_host_t *vha, port_id_t *d_id,
 	sp->u.iocb_cmd.u.ctarg.rsp = dma_alloc_coherent(&vha->hw->pdev->dev,
 	    sizeof(struct ct_sns_pkt), &sp->u.iocb_cmd.u.ctarg.rsp_dma,
 	    GFP_KERNEL);
+	sp->u.iocb_cmd.u.ctarg.rsp_allocated_size = sizeof(struct ct_sns_pkt);
 	if (!sp->u.iocb_cmd.u.ctarg.rsp) {
 		ql_log(ql_log_warn, vha, 0xd042,
 		    "%s: Failed to allocate ct_sns request.\n",
@@ -909,6 +915,7 @@ static int qla_async_rsnn_nn(scsi_qla_host_t *vha)
 	sp->u.iocb_cmd.u.ctarg.req = dma_alloc_coherent(&vha->hw->pdev->dev,
 	    sizeof(struct ct_sns_pkt), &sp->u.iocb_cmd.u.ctarg.req_dma,
 	    GFP_KERNEL);
+	sp->u.iocb_cmd.u.ctarg.req_allocated_size = sizeof(struct ct_sns_pkt);
 	if (!sp->u.iocb_cmd.u.ctarg.req) {
 		ql_log(ql_log_warn, vha, 0xd041,
 		    "%s: Failed to allocate ct_sns request.\n",
@@ -919,6 +926,7 @@ static int qla_async_rsnn_nn(scsi_qla_host_t *vha)
 	sp->u.iocb_cmd.u.ctarg.rsp = dma_alloc_coherent(&vha->hw->pdev->dev,
 	    sizeof(struct ct_sns_pkt), &sp->u.iocb_cmd.u.ctarg.rsp_dma,
 	    GFP_KERNEL);
+	sp->u.iocb_cmd.u.ctarg.rsp_allocated_size = sizeof(struct ct_sns_pkt);
 	if (!sp->u.iocb_cmd.u.ctarg.rsp) {
 		ql_log(ql_log_warn, vha, 0xd042,
 		    "%s: Failed to allocate ct_sns request.\n",
@@ -3388,14 +3396,14 @@ void qla24xx_sp_unmap(scsi_qla_host_t *vha, srb_t *sp)
 {
 	if (sp->u.iocb_cmd.u.ctarg.req) {
 		dma_free_coherent(&vha->hw->pdev->dev,
-			sizeof(struct ct_sns_pkt),
+			sp->u.iocb_cmd.u.ctarg.req_allocated_size,
 			sp->u.iocb_cmd.u.ctarg.req,
 			sp->u.iocb_cmd.u.ctarg.req_dma);
 		sp->u.iocb_cmd.u.ctarg.req = NULL;
 	}
 	if (sp->u.iocb_cmd.u.ctarg.rsp) {
 		dma_free_coherent(&vha->hw->pdev->dev,
-			sizeof(struct ct_sns_pkt),
+			sp->u.iocb_cmd.u.ctarg.rsp_allocated_size,
 			sp->u.iocb_cmd.u.ctarg.rsp,
 			sp->u.iocb_cmd.u.ctarg.rsp_dma);
 		sp->u.iocb_cmd.u.ctarg.rsp = NULL;
@@ -3596,14 +3604,14 @@ static void qla2x00_async_gpnid_sp_done(void *s, int res)
 		/* please ignore kernel warning. otherwise, we have mem leak. */
 		if (sp->u.iocb_cmd.u.ctarg.req) {
 			dma_free_coherent(&vha->hw->pdev->dev,
-				sizeof(struct ct_sns_pkt),
+				sp->u.iocb_cmd.u.ctarg.req_allocated_size,
 				sp->u.iocb_cmd.u.ctarg.req,
 				sp->u.iocb_cmd.u.ctarg.req_dma);
 			sp->u.iocb_cmd.u.ctarg.req = NULL;
 		}
 		if (sp->u.iocb_cmd.u.ctarg.rsp) {
 			dma_free_coherent(&vha->hw->pdev->dev,
-				sizeof(struct ct_sns_pkt),
+				sp->u.iocb_cmd.u.ctarg.rsp_allocated_size,
 				sp->u.iocb_cmd.u.ctarg.rsp,
 				sp->u.iocb_cmd.u.ctarg.rsp_dma);
 			sp->u.iocb_cmd.u.ctarg.rsp = NULL;
@@ -3654,6 +3662,7 @@ int qla24xx_async_gpnid(scsi_qla_host_t *vha, port_id_t *id)
 	sp->u.iocb_cmd.u.ctarg.req = dma_alloc_coherent(&vha->hw->pdev->dev,
 		sizeof(struct ct_sns_pkt), &sp->u.iocb_cmd.u.ctarg.req_dma,
 		GFP_KERNEL);
+	sp->u.iocb_cmd.u.ctarg.req_allocated_size = sizeof(struct ct_sns_pkt);
 	if (!sp->u.iocb_cmd.u.ctarg.req) {
 		ql_log(ql_log_warn, vha, 0xd041,
 		    "Failed to allocate ct_sns request.\n");
@@ -3663,6 +3672,7 @@ int qla24xx_async_gpnid(scsi_qla_host_t *vha, port_id_t *id)
 	sp->u.iocb_cmd.u.ctarg.rsp = dma_alloc_coherent(&vha->hw->pdev->dev,
 		sizeof(struct ct_sns_pkt), &sp->u.iocb_cmd.u.ctarg.rsp_dma,
 		GFP_KERNEL);
+	sp->u.iocb_cmd.u.ctarg.rsp_allocated_size = sizeof(struct ct_sns_pkt);
 	if (!sp->u.iocb_cmd.u.ctarg.rsp) {
 		ql_log(ql_log_warn, vha, 0xd042,
 		    "Failed to allocate ct_sns request.\n");
@@ -4142,14 +4152,14 @@ static void qla2x00_async_gpnft_gnnft_sp_done(void *s, int res)
 			 */
 			if (sp->u.iocb_cmd.u.ctarg.req) {
 				dma_free_coherent(&vha->hw->pdev->dev,
-				    sizeof(struct ct_sns_pkt),
+				    sp->u.iocb_cmd.u.ctarg.req_allocated_size,
 				    sp->u.iocb_cmd.u.ctarg.req,
 				    sp->u.iocb_cmd.u.ctarg.req_dma);
 				sp->u.iocb_cmd.u.ctarg.req = NULL;
 			}
 			if (sp->u.iocb_cmd.u.ctarg.rsp) {
 				dma_free_coherent(&vha->hw->pdev->dev,
-				    sizeof(struct ct_sns_pkt),
+				    sp->u.iocb_cmd.u.ctarg.rsp_allocated_size,
 				    sp->u.iocb_cmd.u.ctarg.rsp,
 				    sp->u.iocb_cmd.u.ctarg.rsp_dma);
 				sp->u.iocb_cmd.u.ctarg.rsp = NULL;
@@ -4179,14 +4189,14 @@ static void qla2x00_async_gpnft_gnnft_sp_done(void *s, int res)
 		/* please ignore kernel warning. Otherwise, we have mem leak. */
 		if (sp->u.iocb_cmd.u.ctarg.req) {
 			dma_free_coherent(&vha->hw->pdev->dev,
-			    sizeof(struct ct_sns_pkt),
+			    sp->u.iocb_cmd.u.ctarg.req_allocated_size,
 			    sp->u.iocb_cmd.u.ctarg.req,
 			    sp->u.iocb_cmd.u.ctarg.req_dma);
 			sp->u.iocb_cmd.u.ctarg.req = NULL;
 		}
 		if (sp->u.iocb_cmd.u.ctarg.rsp) {
 			dma_free_coherent(&vha->hw->pdev->dev,
-			    sizeof(struct ct_sns_pkt),
+			    sp->u.iocb_cmd.u.ctarg.rsp_allocated_size,
 			    sp->u.iocb_cmd.u.ctarg.rsp,
 			    sp->u.iocb_cmd.u.ctarg.rsp_dma);
 			sp->u.iocb_cmd.u.ctarg.rsp = NULL;
@@ -4281,14 +4291,14 @@ static int qla24xx_async_gnnft(scsi_qla_host_t *vha, struct srb *sp,
 done_free_sp:
 	if (sp->u.iocb_cmd.u.ctarg.req) {
 		dma_free_coherent(&vha->hw->pdev->dev,
-		    sizeof(struct ct_sns_pkt),
+		    sp->u.iocb_cmd.u.ctarg.req_allocated_size,
 		    sp->u.iocb_cmd.u.ctarg.req,
 		    sp->u.iocb_cmd.u.ctarg.req_dma);
 		sp->u.iocb_cmd.u.ctarg.req = NULL;
 	}
 	if (sp->u.iocb_cmd.u.ctarg.rsp) {
 		dma_free_coherent(&vha->hw->pdev->dev,
-		    sizeof(struct ct_sns_pkt),
+		    sp->u.iocb_cmd.u.ctarg.rsp_allocated_size,
 		    sp->u.iocb_cmd.u.ctarg.rsp,
 		    sp->u.iocb_cmd.u.ctarg.rsp_dma);
 		sp->u.iocb_cmd.u.ctarg.rsp = NULL;
@@ -4349,6 +4359,7 @@ int qla24xx_async_gpnft(scsi_qla_host_t *vha, u8 fc4_type, srb_t *sp)
 		sp->u.iocb_cmd.u.ctarg.req = dma_zalloc_coherent(
 			&vha->hw->pdev->dev, sizeof(struct ct_sns_pkt),
 			&sp->u.iocb_cmd.u.ctarg.req_dma, GFP_KERNEL);
+		sp->u.iocb_cmd.u.ctarg.req_allocated_size = sizeof(struct ct_sns_pkt);
 		if (!sp->u.iocb_cmd.u.ctarg.req) {
 			ql_log(ql_log_warn, vha, 0xffff,
 			    "Failed to allocate ct_sns request.\n");
@@ -4366,6 +4377,7 @@ int qla24xx_async_gpnft(scsi_qla_host_t *vha, u8 fc4_type, srb_t *sp)
 		sp->u.iocb_cmd.u.ctarg.rsp = dma_zalloc_coherent(
 			&vha->hw->pdev->dev, rspsz,
 			&sp->u.iocb_cmd.u.ctarg.rsp_dma, GFP_KERNEL);
+		sp->u.iocb_cmd.u.ctarg.rsp_allocated_size = sizeof(struct ct_sns_pkt);
 		if (!sp->u.iocb_cmd.u.ctarg.rsp) {
 			ql_log(ql_log_warn, vha, 0xffff,
 			    "Failed to allocate ct_sns request.\n");
@@ -4425,14 +4437,14 @@ int qla24xx_async_gpnft(scsi_qla_host_t *vha, u8 fc4_type, srb_t *sp)
 done_free_sp:
 	if (sp->u.iocb_cmd.u.ctarg.req) {
 		dma_free_coherent(&vha->hw->pdev->dev,
-		    sizeof(struct ct_sns_pkt),
+		    sp->u.iocb_cmd.u.ctarg.req_allocated_size,
 		    sp->u.iocb_cmd.u.ctarg.req,
 		    sp->u.iocb_cmd.u.ctarg.req_dma);
 		sp->u.iocb_cmd.u.ctarg.req = NULL;
 	}
 	if (sp->u.iocb_cmd.u.ctarg.rsp) {
 		dma_free_coherent(&vha->hw->pdev->dev,
-		    sizeof(struct ct_sns_pkt),
+		    sp->u.iocb_cmd.u.ctarg.rsp_allocated_size,
 		    sp->u.iocb_cmd.u.ctarg.rsp,
 		    sp->u.iocb_cmd.u.ctarg.rsp_dma);
 		sp->u.iocb_cmd.u.ctarg.rsp = NULL;
diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
index 7b675243bd16..db0e3279e07a 100644
--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -591,12 +591,14 @@ static void qla24xx_handle_gnl_done_event(scsi_qla_host_t *vha,
 				conflict_fcport =
 					qla2x00_find_fcport_by_wwpn(vha,
 					    e->port_name, 0);
-				ql_dbg(ql_dbg_disc, vha, 0x20e6,
-				    "%s %d %8phC post del sess\n",
-				    __func__, __LINE__,
-				    conflict_fcport->port_name);
-				qlt_schedule_sess_for_deletion
-					(conflict_fcport);
+				if (conflict_fcport) {
+					qlt_schedule_sess_for_deletion
+						(conflict_fcport);
+					ql_dbg(ql_dbg_disc, vha, 0x20e6,
+					    "%s %d %8phC post del sess\n",
+					    __func__, __LINE__,
+					    conflict_fcport->port_name);
+				}
 			}
 
 			/* FW already picked this loop id for another fcport */
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index e881fce7477a..9f309e572be4 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -3180,6 +3180,8 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
 	    "req->req_q_in=%p req->req_q_out=%p rsp->rsp_q_in=%p rsp->rsp_q_out=%p.\n",
 	    req->req_q_in, req->req_q_out, rsp->rsp_q_in, rsp->rsp_q_out);
 
+	ha->wq = alloc_workqueue("qla2xxx_wq", 0, 0);
+
 	if (ha->isp_ops->initialize_adapter(base_vha)) {
 		ql_log(ql_log_fatal, base_vha, 0x00d6,
 		    "Failed to initialize adapter - Adapter flags %x.\n",
@@ -3216,8 +3218,6 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
 	    host->can_queue, base_vha->req,
 	    base_vha->mgmt_svr_loop_id, host->sg_tablesize);
 
-	ha->wq = alloc_workqueue("qla2xxx_wq", 0, 0);
-
 	if (ha->mqenable) {
 		bool mq = false;
 		bool startit = false;
diff --git a/drivers/scsi/qla2xxx/qla_target.c b/drivers/scsi/qla2xxx/qla_target.c
index 0fea2e2326be..1027b0cb7fa3 100644
--- a/drivers/scsi/qla2xxx/qla_target.c
+++ b/drivers/scsi/qla2xxx/qla_target.c
@@ -1224,7 +1224,6 @@ static void qla24xx_chk_fcp_state(struct fc_port *sess)
 void qlt_schedule_sess_for_deletion(struct fc_port *sess)
 {
 	struct qla_tgt *tgt = sess->tgt;
-	struct qla_hw_data *ha = sess->vha->hw;
 	unsigned long flags;
 
 	if (sess->disc_state == DSC_DELETE_PEND)
@@ -1241,16 +1240,16 @@ void qlt_schedule_sess_for_deletion(struct fc_port *sess)
 			return;
 	}
 
-	spin_lock_irqsave(&ha->tgt.sess_lock, flags);
 	if (sess->deleted == QLA_SESS_DELETED)
 		sess->logout_on_delete = 0;
 
+	spin_lock_irqsave(&sess->vha->work_lock, flags);
 	if (sess->deleted == QLA_SESS_DELETION_IN_PROGRESS) {
-		spin_unlock_irqrestore(&ha->tgt.sess_lock, flags);
+		spin_unlock_irqrestore(&sess->vha->work_lock, flags);
 		return;
 	}
 	sess->deleted = QLA_SESS_DELETION_IN_PROGRESS;
-	spin_unlock_irqrestore(&ha->tgt.sess_lock, flags);
+	spin_unlock_irqrestore(&sess->vha->work_lock, flags);
 
 	sess->disc_state = DSC_DELETE_PEND;
 
diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c
index 24d7496cd9e2..364e71861bfd 100644
--- a/drivers/scsi/scsi_debug.c
+++ b/drivers/scsi/scsi_debug.c
@@ -5507,9 +5507,9 @@ static void __exit scsi_debug_exit(void)
 	int k = sdebug_add_host;
 
 	stop_all_queued();
-	free_all_queued();
 	for (; k; k--)
 		sdebug_remove_adapter();
+	free_all_queued();
 	driver_unregister(&sdebug_driverfs_driver);
 	bus_unregister(&pseudo_lld_bus);
 	root_device_unregister(pseudo_primary);
diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c
index 8932ae81a15a..2715cdaa669c 100644
--- a/drivers/scsi/scsi_error.c
+++ b/drivers/scsi/scsi_error.c
@@ -296,6 +296,20 @@ enum blk_eh_timer_return scsi_times_out(struct request *req)
 		rtn = host->hostt->eh_timed_out(scmd);
 
 	if (rtn == BLK_EH_DONE) {
+		/*
+		 * For blk-mq, we must set the request state to complete now
+		 * before sending the request to the scsi error handler. This
+		 * will prevent a use-after-free in the event the LLD manages
+		 * to complete the request before the error handler finishes
+		 * processing this timed out request.
+		 *
+		 * If the request was already completed, then the LLD beat the
+		 * time out handler from transferring the request to the scsi
+		 * error handler. In that case we can return immediately as no
+		 * further action is required.
+		 */
+		if (req->q->mq_ops && !blk_mq_mark_complete(req))
+			return rtn;
 		if (scsi_abort_command(scmd) != SUCCESS) {
 			set_host_byte(scmd, DID_TIME_OUT);
 			scsi_eh_scmd_add(scmd);
diff --git a/drivers/scsi/scsi_transport_fc.c b/drivers/scsi/scsi_transport_fc.c
index 1da3d71e9f61..13948102ca29 100644
--- a/drivers/scsi/scsi_transport_fc.c
+++ b/drivers/scsi/scsi_transport_fc.c
@@ -3592,7 +3592,7 @@ fc_bsg_job_timeout(struct request *req)
 
 	/* the blk_end_sync_io() doesn't check the error */
 	if (inflight)
-		blk_mq_complete_request(req);
+		__blk_complete_request(req);
 	return BLK_EH_DONE;
 }
 
diff --git a/drivers/scsi/sd_zbc.c b/drivers/scsi/sd_zbc.c
index a14fef11776e..2bf3bf73886e 100644
--- a/drivers/scsi/sd_zbc.c
+++ b/drivers/scsi/sd_zbc.c
@@ -391,7 +391,8 @@ static int sd_zbc_check_capacity(struct scsi_disk *sdkp, unsigned char *buf)
  * Check that all zones of the device are equal. The last zone can however
  * be smaller. The zone size must also be a power of two number of LBAs.
  *
- * Returns the zone size in bytes upon success or an error code upon failure.
+ * Returns the zone size in number of blocks upon success or an error code
+ * upon failure.
  */
 static s64 sd_zbc_check_zone_size(struct scsi_disk *sdkp)
 {
@@ -401,7 +402,7 @@ static s64 sd_zbc_check_zone_size(struct scsi_disk *sdkp)
 	unsigned char *rec;
 	unsigned int buf_len;
 	unsigned int list_length;
-	int ret;
+	s64 ret;
 	u8 same;
 
 	/* Get a buffer */
diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c
index 53ae52dbff84..cd2fdac000c9 100644
--- a/drivers/scsi/sg.c
+++ b/drivers/scsi/sg.c
@@ -51,6 +51,7 @@ static int sg_version_num = 30536;	/* 2 digits for each component */
 #include <linux/atomic.h>
 #include <linux/ratelimit.h>
 #include <linux/uio.h>
+#include <linux/cred.h> /* for sg_check_file_access() */
 
 #include "scsi.h"
 #include <scsi/scsi_dbg.h>
@@ -209,6 +210,33 @@ static void sg_device_destroy(struct kref *kref);
 	sdev_prefix_printk(prefix, (sdp)->device,		\
 			   (sdp)->disk->disk_name, fmt, ##a)
 
+/*
+ * The SCSI interfaces that use read() and write() as an asynchronous variant of
+ * ioctl(..., SG_IO, ...) are fundamentally unsafe, since there are lots of ways
+ * to trigger read() and write() calls from various contexts with elevated
+ * privileges. This can lead to kernel memory corruption (e.g. if these
+ * interfaces are called through splice()) and privilege escalation inside
+ * userspace (e.g. if a process with access to such a device passes a file
+ * descriptor to a SUID binary as stdin/stdout/stderr).
+ *
+ * This function provides protection for the legacy API by restricting the
+ * calling context.
+ */
+static int sg_check_file_access(struct file *filp, const char *caller)
+{
+	if (filp->f_cred != current_real_cred()) {
+		pr_err_once("%s: process %d (%s) changed security contexts after opening file descriptor, this is not allowed.\n",
+			caller, task_tgid_vnr(current), current->comm);
+		return -EPERM;
+	}
+	if (uaccess_kernel()) {
+		pr_err_once("%s: process %d (%s) called from kernel context, this is not allowed.\n",
+			caller, task_tgid_vnr(current), current->comm);
+		return -EACCES;
+	}
+	return 0;
+}
+
 static int sg_allow_access(struct file *filp, unsigned char *cmd)
 {
 	struct sg_fd *sfp = filp->private_data;
@@ -393,6 +421,14 @@ sg_read(struct file *filp, char __user *buf, size_t count, loff_t * ppos)
 	struct sg_header *old_hdr = NULL;
 	int retval = 0;
 
+	/*
+	 * This could cause a response to be stranded. Close the associated
+	 * file descriptor to free up any resources being held.
+	 */
+	retval = sg_check_file_access(filp, __func__);
+	if (retval)
+		return retval;
+
 	if ((!(sfp = (Sg_fd *) filp->private_data)) || (!(sdp = sfp->parentdp)))
 		return -ENXIO;
 	SCSI_LOG_TIMEOUT(3, sg_printk(KERN_INFO, sdp,
@@ -580,9 +616,11 @@ sg_write(struct file *filp, const char __user *buf, size_t count, loff_t * ppos)
 	struct sg_header old_hdr;
 	sg_io_hdr_t *hp;
 	unsigned char cmnd[SG_MAX_CDB_SIZE];
+	int retval;
 
-	if (unlikely(uaccess_kernel()))
-		return -EINVAL;
+	retval = sg_check_file_access(filp, __func__);
+	if (retval)
+		return retval;
 
 	if ((!(sfp = (Sg_fd *) filp->private_data)) || (!(sdp = sfp->parentdp)))
 		return -ENXIO;
diff --git a/drivers/scsi/xen-scsifront.c b/drivers/scsi/xen-scsifront.c
index 36f59a1be7e9..61389bdc7926 100644
--- a/drivers/scsi/xen-scsifront.c
+++ b/drivers/scsi/xen-scsifront.c
@@ -654,10 +654,17 @@ static int scsifront_dev_reset_handler(struct scsi_cmnd *sc)
 static int scsifront_sdev_configure(struct scsi_device *sdev)
 {
 	struct vscsifrnt_info *info = shost_priv(sdev->host);
+	int err;
 
-	if (info && current == info->curr)
-		xenbus_printf(XBT_NIL, info->dev->nodename,
+	if (info && current == info->curr) {
+		err = xenbus_printf(XBT_NIL, info->dev->nodename,
 			      info->dev_state_path, "%d", XenbusStateConnected);
+		if (err) {
+			xenbus_dev_error(info->dev, err,
+				"%s: writing dev_state_path", __func__);
+			return err;
+		}
+	}
 
 	return 0;
 }
@@ -665,10 +672,15 @@ static int scsifront_sdev_configure(struct scsi_device *sdev)
 static void scsifront_sdev_destroy(struct scsi_device *sdev)
 {
 	struct vscsifrnt_info *info = shost_priv(sdev->host);
+	int err;
 
-	if (info && current == info->curr)
-		xenbus_printf(XBT_NIL, info->dev->nodename,
+	if (info && current == info->curr) {
+		err = xenbus_printf(XBT_NIL, info->dev->nodename,
 			      info->dev_state_path, "%d", XenbusStateClosed);
+		if (err)
+			xenbus_dev_error(info->dev, err,
+				"%s: writing dev_state_path", __func__);
+	}
 }
 
 static struct scsi_host_template scsifront_sht = {
@@ -1003,9 +1015,12 @@ static void scsifront_do_lun_hotplug(struct vscsifrnt_info *info, int op)
 
 			if (scsi_add_device(info->host, chn, tgt, lun)) {
 				dev_err(&dev->dev, "scsi_add_device\n");
-				xenbus_printf(XBT_NIL, dev->nodename,
+				err = xenbus_printf(XBT_NIL, dev->nodename,
 					      info->dev_state_path,
 					      "%d", XenbusStateClosed);
+				if (err)
+					xenbus_dev_error(dev, err,
+						"%s: writing dev_state_path", __func__);
 			}
 			break;
 		case VSCSIFRONT_OP_DEL_LUN:
@@ -1019,10 +1034,14 @@ static void scsifront_do_lun_hotplug(struct vscsifrnt_info *info, int op)
 			}
 			break;
 		case VSCSIFRONT_OP_READD_LUN:
-			if (device_state == XenbusStateConnected)
-				xenbus_printf(XBT_NIL, dev->nodename,
+			if (device_state == XenbusStateConnected) {
+				err = xenbus_printf(XBT_NIL, dev->nodename,
 					      info->dev_state_path,
 					      "%d", XenbusStateConnected);
+				if (err)
+					xenbus_dev_error(dev, err,
+						"%s: writing dev_state_path", __func__);
+			}
 			break;
 		default:
 			break;
diff --git a/drivers/soc/imx/gpc.c b/drivers/soc/imx/gpc.c
index 32f0748fd067..0097a939487f 100644
--- a/drivers/soc/imx/gpc.c
+++ b/drivers/soc/imx/gpc.c
@@ -27,9 +27,16 @@
 #define GPC_PGC_SW2ISO_SHIFT	0x8
 #define GPC_PGC_SW_SHIFT	0x0
 
+#define GPC_PGC_PCI_PDN		0x200
+#define GPC_PGC_PCI_SR		0x20c
+
 #define GPC_PGC_GPU_PDN		0x260
 #define GPC_PGC_GPU_PUPSCR	0x264
 #define GPC_PGC_GPU_PDNSCR	0x268
+#define GPC_PGC_GPU_SR		0x26c
+
+#define GPC_PGC_DISP_PDN	0x240
+#define GPC_PGC_DISP_SR		0x24c
 
 #define GPU_VPU_PUP_REQ		BIT(1)
 #define GPU_VPU_PDN_REQ		BIT(0)
@@ -318,10 +325,24 @@ static const struct of_device_id imx_gpc_dt_ids[] = {
 	{ }
 };
 
+static const struct regmap_range yes_ranges[] = {
+	regmap_reg_range(GPC_CNTR, GPC_CNTR),
+	regmap_reg_range(GPC_PGC_PCI_PDN, GPC_PGC_PCI_SR),
+	regmap_reg_range(GPC_PGC_GPU_PDN, GPC_PGC_GPU_SR),
+	regmap_reg_range(GPC_PGC_DISP_PDN, GPC_PGC_DISP_SR),
+};
+
+static const struct regmap_access_table access_table = {
+	.yes_ranges	= yes_ranges,
+	.n_yes_ranges	= ARRAY_SIZE(yes_ranges),
+};
+
 static const struct regmap_config imx_gpc_regmap_config = {
 	.reg_bits = 32,
 	.val_bits = 32,
 	.reg_stride = 4,
+	.rd_table = &access_table,
+	.wr_table = &access_table,
 	.max_register = 0x2ac,
 };
 
diff --git a/drivers/soc/imx/gpcv2.c b/drivers/soc/imx/gpcv2.c
index f4e3bd40c72e..6ef18cf8f243 100644
--- a/drivers/soc/imx/gpcv2.c
+++ b/drivers/soc/imx/gpcv2.c
@@ -39,10 +39,15 @@
 
 #define GPC_M4_PU_PDN_FLG		0x1bc
 
-
-#define PGC_MIPI			4
-#define PGC_PCIE			5
-#define PGC_USB_HSIC			8
+/*
+ * The PGC offset values in Reference Manual
+ * (Rev. 1, 01/2018 and the older ones) GPC chapter's
+ * GPC_PGC memory map are incorrect, below offset
+ * values are from design RTL.
+ */
+#define PGC_MIPI			16
+#define PGC_PCIE			17
+#define PGC_USB_HSIC			20
 #define GPC_PGC_CTRL(n)			(0x800 + (n) * 0x40)
 #define GPC_PGC_SR(n)			(GPC_PGC_CTRL(n) + 0xc)
 
diff --git a/drivers/soc/qcom/Kconfig b/drivers/soc/qcom/Kconfig
index 9dc02f390ba3..5856e792d09c 100644
--- a/drivers/soc/qcom/Kconfig
+++ b/drivers/soc/qcom/Kconfig
@@ -5,7 +5,8 @@ menu "Qualcomm SoC drivers"
 
 config QCOM_COMMAND_DB
 	bool "Qualcomm Command DB"
-	depends on (ARCH_QCOM && OF) || COMPILE_TEST
+	depends on ARCH_QCOM || COMPILE_TEST
+	depends on OF_RESERVED_MEM
 	help
 	  Command DB queries shared memory by key string for shared system
 	  resources. Platform drivers that require to set state of a shared
diff --git a/drivers/soc/renesas/rcar-sysc.c b/drivers/soc/renesas/rcar-sysc.c
index 95120acc4d80..50d03d8b4f9a 100644
--- a/drivers/soc/renesas/rcar-sysc.c
+++ b/drivers/soc/renesas/rcar-sysc.c
@@ -194,11 +194,12 @@ static int rcar_sysc_pd_power_on(struct generic_pm_domain *genpd)
 
 static bool has_cpg_mstp;
 
-static void __init rcar_sysc_pd_setup(struct rcar_sysc_pd *pd)
+static int __init rcar_sysc_pd_setup(struct rcar_sysc_pd *pd)
 {
 	struct generic_pm_domain *genpd = &pd->genpd;
 	const char *name = pd->genpd.name;
 	struct dev_power_governor *gov = &simple_qos_governor;
+	int error;
 
 	if (pd->flags & PD_CPU) {
 		/*
@@ -251,7 +252,11 @@ static void __init rcar_sysc_pd_setup(struct rcar_sysc_pd *pd)
 	rcar_sysc_power_up(&pd->ch);
 
 finalize:
-	pm_genpd_init(genpd, gov, false);
+	error = pm_genpd_init(genpd, gov, false);
+	if (error)
+		pr_err("Failed to init PM domain %s: %d\n", name, error);
+
+	return error;
 }
 
 static const struct of_device_id rcar_sysc_matches[] __initconst = {
@@ -375,6 +380,9 @@ static int __init rcar_sysc_pd_init(void)
 	pr_debug("%pOF: syscier = 0x%08x\n", np, syscier);
 	iowrite32(syscier, base + SYSCIER);
 
+	/*
+	 * First, create all PM domains
+	 */
 	for (i = 0; i < info->num_areas; i++) {
 		const struct rcar_sysc_area *area = &info->areas[i];
 		struct rcar_sysc_pd *pd;
@@ -397,14 +405,29 @@ static int __init rcar_sysc_pd_init(void)
 		pd->ch.isr_bit = area->isr_bit;
 		pd->flags = area->flags;
 
-		rcar_sysc_pd_setup(pd);
-		if (area->parent >= 0)
-			pm_genpd_add_subdomain(domains->domains[area->parent],
-					       &pd->genpd);
+		error = rcar_sysc_pd_setup(pd);
+		if (error)
+			goto out_put;
 
 		domains->domains[area->isr_bit] = &pd->genpd;
 	}
 
+	/*
+	 * Second, link all PM domains to their parents
+	 */
+	for (i = 0; i < info->num_areas; i++) {
+		const struct rcar_sysc_area *area = &info->areas[i];
+
+		if (!area->name || area->parent < 0)
+			continue;
+
+		error = pm_genpd_add_subdomain(domains->domains[area->parent],
+					       domains->domains[area->isr_bit]);
+		if (error)
+			pr_warn("Failed to add PM subdomain %s to parent %u\n",
+				area->name, area->parent);
+	}
+
 	error = of_genpd_add_provider_onecell(np, &domains->onecell_data);
 
 out_put:
diff --git a/drivers/staging/android/ion/ion_heap.c b/drivers/staging/android/ion/ion_heap.c
index e8c440329708..31db510018a9 100644
--- a/drivers/staging/android/ion/ion_heap.c
+++ b/drivers/staging/android/ion/ion_heap.c
@@ -30,7 +30,7 @@ void *ion_heap_map_kernel(struct ion_heap *heap,
 	struct page **tmp = pages;
 
 	if (!pages)
-		return NULL;
+		return ERR_PTR(-ENOMEM);
 
 	if (buffer->flags & ION_FLAG_CACHED)
 		pgprot = PAGE_KERNEL;
diff --git a/drivers/staging/comedi/drivers/quatech_daqp_cs.c b/drivers/staging/comedi/drivers/quatech_daqp_cs.c
index ea194aa01a64..257b0daff01f 100644
--- a/drivers/staging/comedi/drivers/quatech_daqp_cs.c
+++ b/drivers/staging/comedi/drivers/quatech_daqp_cs.c
@@ -642,7 +642,7 @@ static int daqp_ao_insn_write(struct comedi_device *dev,
 	/* Make sure D/A update mode is direct update */
 	outb(0, dev->iobase + DAQP_AUX_REG);
 
-	for (i = 0; i > insn->n; i++) {
+	for (i = 0; i < insn->n; i++) {
 		unsigned int val = data[i];
 		int ret;
 
diff --git a/drivers/staging/ks7010/ks_hostif.c b/drivers/staging/ks7010/ks_hostif.c
index 0ecffab52ec2..abdaf7cf8162 100644
--- a/drivers/staging/ks7010/ks_hostif.c
+++ b/drivers/staging/ks7010/ks_hostif.c
@@ -1842,15 +1842,15 @@ void hostif_sme_multicast_set(struct ks_wlan_private *priv)
 	memset(set_address, 0, NIC_MAX_MCAST_LIST * ETH_ALEN);
 
 	if (dev->flags & IFF_PROMISC) {
-		hostif_mib_set_request_bool(priv, LOCAL_MULTICAST_FILTER,
-					    MCAST_FILTER_PROMISC);
+		hostif_mib_set_request_int(priv, LOCAL_MULTICAST_FILTER,
+					   MCAST_FILTER_PROMISC);
 		goto spin_unlock;
 	}
 
 	if ((netdev_mc_count(dev) > NIC_MAX_MCAST_LIST) ||
 	    (dev->flags & IFF_ALLMULTI)) {
-		hostif_mib_set_request_bool(priv, LOCAL_MULTICAST_FILTER,
-					    MCAST_FILTER_MCASTALL);
+		hostif_mib_set_request_int(priv, LOCAL_MULTICAST_FILTER,
+					   MCAST_FILTER_MCASTALL);
 		goto spin_unlock;
 	}
 
@@ -1866,8 +1866,8 @@ void hostif_sme_multicast_set(struct ks_wlan_private *priv)
 					       ETH_ALEN * mc_count);
 	} else {
 		priv->sme_i.sme_flag |= SME_MULTICAST;
-		hostif_mib_set_request_bool(priv, LOCAL_MULTICAST_FILTER,
-					    MCAST_FILTER_MCAST);
+		hostif_mib_set_request_int(priv, LOCAL_MULTICAST_FILTER,
+					   MCAST_FILTER_MCAST);
 	}
 
 spin_unlock:
diff --git a/drivers/staging/media/omap4iss/iss_video.c b/drivers/staging/media/omap4iss/iss_video.c
index a3a83424a926..16478fe9e3f8 100644
--- a/drivers/staging/media/omap4iss/iss_video.c
+++ b/drivers/staging/media/omap4iss/iss_video.c
@@ -11,7 +11,6 @@
  * (at your option) any later version.
  */
 
-#include <asm/cacheflush.h>
 #include <linux/clk.h>
 #include <linux/mm.h>
 #include <linux/pagemap.h>
@@ -24,6 +23,8 @@
 #include <media/v4l2-ioctl.h>
 #include <media/v4l2-mc.h>
 
+#include <asm/cacheflush.h>
+
 #include "iss_video.h"
 #include "iss.h"
 
diff --git a/drivers/staging/rtl8188eu/Kconfig b/drivers/staging/rtl8188eu/Kconfig
index 673fdce25530..ff7832798a77 100644
--- a/drivers/staging/rtl8188eu/Kconfig
+++ b/drivers/staging/rtl8188eu/Kconfig
@@ -7,7 +7,6 @@ config R8188EU
 	select LIB80211
 	select LIB80211_CRYPT_WEP
 	select LIB80211_CRYPT_CCMP
-	select LIB80211_CRYPT_TKIP
 	---help---
 	This option adds the Realtek RTL8188EU USB device such as TP-Link TL-WN725N.
 	If built as a module, it will be called r8188eu.
diff --git a/drivers/staging/rtl8188eu/core/rtw_recv.c b/drivers/staging/rtl8188eu/core/rtw_recv.c
index 05936a45eb93..c6857a5be12a 100644
--- a/drivers/staging/rtl8188eu/core/rtw_recv.c
+++ b/drivers/staging/rtl8188eu/core/rtw_recv.c
@@ -23,7 +23,6 @@
 #include <mon.h>
 #include <wifi.h>
 #include <linux/vmalloc.h>
-#include <net/lib80211.h>
 
 #define ETHERNET_HEADER_SIZE	14	/*  Ethernet Header Length */
 #define LLC_HEADER_SIZE			6	/*  LLC Header Length */
@@ -221,20 +220,31 @@ u32 rtw_free_uc_swdec_pending_queue(struct adapter *adapter)
 static int recvframe_chkmic(struct adapter *adapter,
 			    struct recv_frame *precvframe)
 {
-	int res = _SUCCESS;
-	struct rx_pkt_attrib *prxattrib = &precvframe->attrib;
-	struct sta_info *stainfo = rtw_get_stainfo(&adapter->stapriv, prxattrib->ta);
+	int	i, res = _SUCCESS;
+	u32	datalen;
+	u8	miccode[8];
+	u8	bmic_err = false, brpt_micerror = true;
+	u8	*pframe, *payload, *pframemic;
+	u8	*mickey;
+	struct	sta_info		*stainfo;
+	struct	rx_pkt_attrib	*prxattrib = &precvframe->attrib;
+	struct	security_priv	*psecuritypriv = &adapter->securitypriv;
+
+	struct mlme_ext_priv	*pmlmeext = &adapter->mlmeextpriv;
+	struct mlme_ext_info	*pmlmeinfo = &(pmlmeext->mlmext_info);
+
+	stainfo = rtw_get_stainfo(&adapter->stapriv, &prxattrib->ta[0]);
 
 	if (prxattrib->encrypt == _TKIP_) {
+		RT_TRACE(_module_rtl871x_recv_c_, _drv_info_,
+			 ("\n %s: prxattrib->encrypt==_TKIP_\n", __func__));
+		RT_TRACE(_module_rtl871x_recv_c_, _drv_info_,
+			 ("\n %s: da=0x%02x:0x%02x:0x%02x:0x%02x:0x%02x:0x%02x\n",
+			  __func__, prxattrib->ra[0], prxattrib->ra[1], prxattrib->ra[2],
+			  prxattrib->ra[3], prxattrib->ra[4], prxattrib->ra[5]));
+
+		/* calculate mic code */
 		if (stainfo) {
-			int key_idx;
-			const int iv_len = 8, icv_len = 4, key_length = 32;
-			struct sk_buff *skb = precvframe->pkt;
-			u8 key[32], iv[8], icv[4], *pframe = skb->data;
-			void *crypto_private = NULL;
-			struct lib80211_crypto_ops *crypto_ops = try_then_request_module(lib80211_get_crypto_ops("TKIP"), "lib80211_crypt_tkip");
-			struct security_priv *psecuritypriv = &adapter->securitypriv;
-
 			if (IS_MCAST(prxattrib->ra)) {
 				if (!psecuritypriv) {
 					res = _FAIL;
@@ -243,58 +253,115 @@ static int recvframe_chkmic(struct adapter *adapter,
 					DBG_88E("\n %s: didn't install group key!!!!!!!!!!\n", __func__);
 					goto exit;
 				}
-				key_idx = prxattrib->key_index;
-				memcpy(key, psecuritypriv->dot118021XGrpKey[key_idx].skey, 16);
-				memcpy(key + 16, psecuritypriv->dot118021XGrprxmickey[key_idx].skey, 16);
+				mickey = &psecuritypriv->dot118021XGrprxmickey[prxattrib->key_index].skey[0];
+
+				RT_TRACE(_module_rtl871x_recv_c_, _drv_info_,
+					 ("\n %s: bcmc key\n", __func__));
 			} else {
-				key_idx = 0;
-				memcpy(key, stainfo->dot118021x_UncstKey.skey, 16);
-				memcpy(key + 16, stainfo->dot11tkiprxmickey.skey, 16);
+				mickey = &stainfo->dot11tkiprxmickey.skey[0];
+				RT_TRACE(_module_rtl871x_recv_c_, _drv_err_,
+					 ("\n %s: unicast key\n", __func__));
 			}
 
-			if (!crypto_ops) {
-				res = _FAIL;
-				goto exit_lib80211_tkip;
-			}
+			/* icv_len included the mic code */
+			datalen = precvframe->pkt->len-prxattrib->hdrlen -
+				  prxattrib->iv_len-prxattrib->icv_len-8;
+			pframe = precvframe->pkt->data;
+			payload = pframe+prxattrib->hdrlen+prxattrib->iv_len;
 
-			memcpy(iv, pframe + prxattrib->hdrlen, iv_len);
-			memcpy(icv, pframe + skb->len - icv_len, icv_len);
-			memmove(pframe + iv_len, pframe, prxattrib->hdrlen);
+			RT_TRACE(_module_rtl871x_recv_c_, _drv_info_, ("\n prxattrib->iv_len=%d prxattrib->icv_len=%d\n", prxattrib->iv_len, prxattrib->icv_len));
+			rtw_seccalctkipmic(mickey, pframe, payload, datalen, &miccode[0],
+					   (unsigned char)prxattrib->priority); /* care the length of the data */
 
-			skb_pull(skb, iv_len);
-			skb_trim(skb, skb->len - icv_len);
+			pframemic = payload+datalen;
 
-			crypto_private = crypto_ops->init(key_idx);
-			if (!crypto_private) {
-				res = _FAIL;
-				goto exit_lib80211_tkip;
-			}
-			if (crypto_ops->set_key(key, key_length, NULL, crypto_private) < 0) {
-				res = _FAIL;
-				goto exit_lib80211_tkip;
-			}
-			if (crypto_ops->decrypt_msdu(skb, key_idx, prxattrib->hdrlen, crypto_private)) {
-				res = _FAIL;
-				goto exit_lib80211_tkip;
+			bmic_err = false;
+
+			for (i = 0; i < 8; i++) {
+				if (miccode[i] != *(pframemic+i)) {
+					RT_TRACE(_module_rtl871x_recv_c_, _drv_err_,
+						 ("%s: miccode[%d](%02x)!=*(pframemic+%d)(%02x) ",
+						  __func__, i, miccode[i], i, *(pframemic + i)));
+					bmic_err = true;
+				}
 			}
 
-			memmove(pframe, pframe + iv_len, prxattrib->hdrlen);
-			skb_push(skb, iv_len);
-			skb_put(skb, icv_len);
+			if (bmic_err) {
+				RT_TRACE(_module_rtl871x_recv_c_, _drv_err_,
+					 ("\n *(pframemic-8)-*(pframemic-1)=0x%02x:0x%02x:0x%02x:0x%02x:0x%02x:0x%02x:0x%02x:0x%02x\n",
+					 *(pframemic-8), *(pframemic-7), *(pframemic-6),
+					 *(pframemic-5), *(pframemic-4), *(pframemic-3),
+					 *(pframemic-2), *(pframemic-1)));
+				RT_TRACE(_module_rtl871x_recv_c_, _drv_err_,
+					 ("\n *(pframemic-16)-*(pframemic-9)=0x%02x:0x%02x:0x%02x:0x%02x:0x%02x:0x%02x:0x%02x:0x%02x\n",
+					 *(pframemic-16), *(pframemic-15), *(pframemic-14),
+					 *(pframemic-13), *(pframemic-12), *(pframemic-11),
+					 *(pframemic-10), *(pframemic-9)));
+				{
+					uint i;
 
-			memcpy(pframe + prxattrib->hdrlen, iv, iv_len);
-			memcpy(pframe + skb->len - icv_len, icv, icv_len);
+					RT_TRACE(_module_rtl871x_recv_c_, _drv_err_,
+						 ("\n ======demp packet (len=%d)======\n",
+						 precvframe->pkt->len));
+					for (i = 0; i < precvframe->pkt->len; i += 8) {
+						RT_TRACE(_module_rtl871x_recv_c_,
+							 _drv_err_,
+							 ("0x%02x:0x%02x:0x%02x:0x%02x:0x%02x:0x%02x:0x%02x:0x%02x",
+							 *(precvframe->pkt->data+i),
+							 *(precvframe->pkt->data+i+1),
+							 *(precvframe->pkt->data+i+2),
+							 *(precvframe->pkt->data+i+3),
+							 *(precvframe->pkt->data+i+4),
+							 *(precvframe->pkt->data+i+5),
+							 *(precvframe->pkt->data+i+6),
+							 *(precvframe->pkt->data+i+7)));
+					}
+					RT_TRACE(_module_rtl871x_recv_c_,
+						 _drv_err_,
+						 ("\n ====== demp packet end [len=%d]======\n",
+						 precvframe->pkt->len));
+					RT_TRACE(_module_rtl871x_recv_c_,
+						 _drv_err_,
+						 ("\n hrdlen=%d,\n",
+						 prxattrib->hdrlen));
+				}
 
-exit_lib80211_tkip:
-			if (crypto_ops && crypto_private)
-				crypto_ops->deinit(crypto_private);
+				RT_TRACE(_module_rtl871x_recv_c_, _drv_err_,
+					 ("ra=0x%.2x 0x%.2x 0x%.2x 0x%.2x 0x%.2x 0x%.2x psecuritypriv->binstallGrpkey=%d ",
+					 prxattrib->ra[0], prxattrib->ra[1], prxattrib->ra[2],
+					 prxattrib->ra[3], prxattrib->ra[4], prxattrib->ra[5], psecuritypriv->binstallGrpkey));
+
+				/*  double check key_index for some timing issue , */
+				/*  cannot compare with psecuritypriv->dot118021XGrpKeyid also cause timing issue */
+				if ((IS_MCAST(prxattrib->ra) == true)  && (prxattrib->key_index != pmlmeinfo->key_index))
+					brpt_micerror = false;
+
+				if ((prxattrib->bdecrypted) && (brpt_micerror)) {
+					rtw_handle_tkip_mic_err(adapter, (u8)IS_MCAST(prxattrib->ra));
+					RT_TRACE(_module_rtl871x_recv_c_, _drv_err_, (" mic error :prxattrib->bdecrypted=%d ", prxattrib->bdecrypted));
+					DBG_88E(" mic error :prxattrib->bdecrypted=%d\n", prxattrib->bdecrypted);
+				} else {
+					RT_TRACE(_module_rtl871x_recv_c_, _drv_err_, (" mic error :prxattrib->bdecrypted=%d ", prxattrib->bdecrypted));
+					DBG_88E(" mic error :prxattrib->bdecrypted=%d\n", prxattrib->bdecrypted);
+				}
+				res = _FAIL;
+			} else {
+				/* mic checked ok */
+				if ((!psecuritypriv->bcheck_grpkey) && (IS_MCAST(prxattrib->ra))) {
+					psecuritypriv->bcheck_grpkey = true;
+					RT_TRACE(_module_rtl871x_recv_c_, _drv_err_, ("psecuritypriv->bcheck_grpkey = true"));
+				}
+			}
 		} else {
 			RT_TRACE(_module_rtl871x_recv_c_, _drv_err_,
 				 ("%s: rtw_get_stainfo==NULL!!!\n", __func__));
 		}
+
+		skb_trim(precvframe->pkt, precvframe->pkt->len - 8);
 	}
 
 exit:
+
 	return res;
 }
 
diff --git a/drivers/staging/rtl8188eu/core/rtw_security.c b/drivers/staging/rtl8188eu/core/rtw_security.c
index bfe0b217e679..67a2490f055e 100644
--- a/drivers/staging/rtl8188eu/core/rtw_security.c
+++ b/drivers/staging/rtl8188eu/core/rtw_security.c
@@ -650,71 +650,71 @@ u32	rtw_tkip_encrypt(struct adapter *padapter, u8 *pxmitframe)
 	return res;
 }
 
+/* The hlen isn't include the IV */
 u32 rtw_tkip_decrypt(struct adapter *padapter, u8 *precvframe)
-{
-	struct rx_pkt_attrib *prxattrib = &((struct recv_frame *)precvframe)->attrib;
-	u32 res = _SUCCESS;
+{																	/*  exclude ICV */
+	u16 pnl;
+	u32 pnh;
+	u8   rc4key[16];
+	u8   ttkey[16];
+	u8	crc[4];
+	struct arc4context mycontext;
+	int			length;
+
+	u8	*pframe, *payload, *iv, *prwskey;
+	union pn48 dot11txpn;
+	struct	sta_info		*stainfo;
+	struct	rx_pkt_attrib	 *prxattrib = &((struct recv_frame *)precvframe)->attrib;
+	struct	security_priv	*psecuritypriv = &padapter->securitypriv;
+	u32		res = _SUCCESS;
+
+
+	pframe = (unsigned char *)((struct recv_frame *)precvframe)->pkt->data;
 
 	/* 4 start to decrypt recvframe */
 	if (prxattrib->encrypt == _TKIP_) {
-		struct sta_info *stainfo = rtw_get_stainfo(&padapter->stapriv, prxattrib->ta);
-
+		stainfo = rtw_get_stainfo(&padapter->stapriv, &prxattrib->ta[0]);
 		if (stainfo) {
-			int key_idx;
-			const int iv_len = 8, icv_len = 4, key_length = 32;
-			void *crypto_private = NULL;
-			struct sk_buff *skb = ((struct recv_frame *)precvframe)->pkt;
-			u8 key[32], iv[8], icv[4], *pframe = skb->data;
-			struct lib80211_crypto_ops *crypto_ops = try_then_request_module(lib80211_get_crypto_ops("TKIP"), "lib80211_crypt_tkip");
-			struct security_priv *psecuritypriv = &padapter->securitypriv;
-
 			if (IS_MCAST(prxattrib->ra)) {
 				if (!psecuritypriv->binstallGrpkey) {
 					res = _FAIL;
 					DBG_88E("%s:rx bc/mc packets, but didn't install group key!!!!!!!!!!\n", __func__);
 					goto exit;
 				}
-				key_idx = prxattrib->key_index;
-				memcpy(key, psecuritypriv->dot118021XGrpKey[key_idx].skey, 16);
-				memcpy(key + 16, psecuritypriv->dot118021XGrprxmickey[key_idx].skey, 16);
+				prwskey = psecuritypriv->dot118021XGrpKey[prxattrib->key_index].skey;
 			} else {
-				key_idx = 0;
-				memcpy(key, stainfo->dot118021x_UncstKey.skey, 16);
-				memcpy(key + 16, stainfo->dot11tkiprxmickey.skey, 16);
+				RT_TRACE(_module_rtl871x_security_c_, _drv_err_, ("%s: stainfo!= NULL!!!\n", __func__));
+				prwskey = &stainfo->dot118021x_UncstKey.skey[0];
 			}
 
-			if (!crypto_ops) {
-				res = _FAIL;
-				goto exit_lib80211_tkip;
-			}
+			iv = pframe+prxattrib->hdrlen;
+			payload = pframe+prxattrib->iv_len+prxattrib->hdrlen;
+			length = ((struct recv_frame *)precvframe)->pkt->len-prxattrib->hdrlen-prxattrib->iv_len;
 
-			memcpy(iv, pframe + prxattrib->hdrlen, iv_len);
-			memcpy(icv, pframe + skb->len - icv_len, icv_len);
+			GET_TKIP_PN(iv, dot11txpn);
 
-			crypto_private = crypto_ops->init(key_idx);
-			if (!crypto_private) {
-				res = _FAIL;
-				goto exit_lib80211_tkip;
-			}
-			if (crypto_ops->set_key(key, key_length, NULL, crypto_private) < 0) {
-				res = _FAIL;
-				goto exit_lib80211_tkip;
-			}
-			if (crypto_ops->decrypt_mpdu(skb, prxattrib->hdrlen, crypto_private)) {
-				res = _FAIL;
-				goto exit_lib80211_tkip;
-			}
+			pnl = (u16)(dot11txpn.val);
+			pnh = (u32)(dot11txpn.val>>16);
 
-			memmove(pframe, pframe + iv_len, prxattrib->hdrlen);
-			skb_push(skb, iv_len);
-			skb_put(skb, icv_len);
+			phase1((u16 *)&ttkey[0], prwskey, &prxattrib->ta[0], pnh);
+			phase2(&rc4key[0], prwskey, (unsigned short *)&ttkey[0], pnl);
 
-			memcpy(pframe + prxattrib->hdrlen, iv, iv_len);
-			memcpy(pframe + skb->len - icv_len, icv, icv_len);
+			/* 4 decrypt payload include icv */
 
-exit_lib80211_tkip:
-			if (crypto_ops && crypto_private)
-				crypto_ops->deinit(crypto_private);
+			arcfour_init(&mycontext, rc4key, 16);
+			arcfour_encrypt(&mycontext, payload, payload, length);
+
+			*((__le32 *)crc) = getcrc32(payload, length-4);
+
+			if (crc[3] != payload[length-1] ||
+			    crc[2] != payload[length-2] ||
+			    crc[1] != payload[length-3] ||
+			    crc[0] != payload[length-4]) {
+				RT_TRACE(_module_rtl871x_security_c_, _drv_err_,
+					 ("rtw_wep_decrypt:icv error crc (%4ph)!=payload (%4ph)\n",
+					 &crc, &payload[length-4]));
+				res = _FAIL;
+			}
 		} else {
 			RT_TRACE(_module_rtl871x_security_c_, _drv_err_, ("rtw_tkip_decrypt: stainfo==NULL!!!\n"));
 			res = _FAIL;
diff --git a/drivers/staging/rtl8723bs/core/rtw_ap.c b/drivers/staging/rtl8723bs/core/rtw_ap.c
index 45c05527a57a..faf4b4158cfa 100644
--- a/drivers/staging/rtl8723bs/core/rtw_ap.c
+++ b/drivers/staging/rtl8723bs/core/rtw_ap.c
@@ -1051,7 +1051,7 @@ int rtw_check_beacon_data(struct adapter *padapter, u8 *pbuf,  int len)
 		return _FAIL;
 
 
-	if (len > MAX_IE_SZ)
+	if (len < 0 || len > MAX_IE_SZ)
 		return _FAIL;
 
 	pbss_network->IELength = len;
diff --git a/drivers/staging/rtlwifi/rtl8822be/hw.c b/drivers/staging/rtlwifi/rtl8822be/hw.c
index 7947edb239a1..88ba5b2fea6a 100644
--- a/drivers/staging/rtlwifi/rtl8822be/hw.c
+++ b/drivers/staging/rtlwifi/rtl8822be/hw.c
@@ -803,7 +803,7 @@ static void _rtl8822be_enable_aspm_back_door(struct ieee80211_hw *hw)
 		return;
 
 	pci_read_config_byte(rtlpci->pdev, 0x70f, &tmp);
-	pci_write_config_byte(rtlpci->pdev, 0x70f, tmp | BIT(7));
+	pci_write_config_byte(rtlpci->pdev, 0x70f, tmp | ASPM_L1_LATENCY << 3);
 
 	pci_read_config_byte(rtlpci->pdev, 0x719, &tmp);
 	pci_write_config_byte(rtlpci->pdev, 0x719, tmp | BIT(3) | BIT(4));
diff --git a/drivers/staging/rtlwifi/wifi.h b/drivers/staging/rtlwifi/wifi.h
index 012fb618840b..a45f0eb69d3f 100644
--- a/drivers/staging/rtlwifi/wifi.h
+++ b/drivers/staging/rtlwifi/wifi.h
@@ -88,6 +88,7 @@
 #define RTL_USB_MAX_RX_COUNT			100
 #define QBSS_LOAD_SIZE				5
 #define MAX_WMMELE_LENGTH			64
+#define ASPM_L1_LATENCY				7
 
 #define TOTAL_CAM_ENTRY				32
 
diff --git a/drivers/staging/speakup/speakup_soft.c b/drivers/staging/speakup/speakup_soft.c
index a61bc41b82d7..947c79532e10 100644
--- a/drivers/staging/speakup/speakup_soft.c
+++ b/drivers/staging/speakup/speakup_soft.c
@@ -198,11 +198,15 @@ static ssize_t softsynthx_read(struct file *fp, char __user *buf, size_t count,
 	int chars_sent = 0;
 	char __user *cp;
 	char *init;
+	size_t bytes_per_ch = unicode ? 3 : 1;
 	u16 ch;
 	int empty;
 	unsigned long flags;
 	DEFINE_WAIT(wait);
 
+	if (count < bytes_per_ch)
+		return -EINVAL;
+
 	spin_lock_irqsave(&speakup_info.spinlock, flags);
 	while (1) {
 		prepare_to_wait(&speakup_event, &wait, TASK_INTERRUPTIBLE);
@@ -228,7 +232,7 @@ static ssize_t softsynthx_read(struct file *fp, char __user *buf, size_t count,
 	init = get_initstring();
 
 	/* Keep 3 bytes available for a 16bit UTF-8-encoded character */
-	while (chars_sent <= count - 3) {
+	while (chars_sent <= count - bytes_per_ch) {
 		if (speakup_info.flushing) {
 			speakup_info.flushing = 0;
 			ch = '\x18';
diff --git a/drivers/staging/typec/Kconfig b/drivers/staging/typec/Kconfig
index 3aa981fbc8f5..e45ed08a5166 100644
--- a/drivers/staging/typec/Kconfig
+++ b/drivers/staging/typec/Kconfig
@@ -11,6 +11,7 @@ config TYPEC_TCPCI
 
 config TYPEC_RT1711H
 	tristate "Richtek RT1711H Type-C chip driver"
+	depends on I2C
 	select TYPEC_TCPCI
 	help
 	  Richtek RT1711H Type-C chip driver that works with
diff --git a/drivers/target/target_core_pr.c b/drivers/target/target_core_pr.c
index 01ac306131c1..10db5656fd5d 100644
--- a/drivers/target/target_core_pr.c
+++ b/drivers/target/target_core_pr.c
@@ -3727,11 +3727,16 @@ core_scsi3_pri_read_keys(struct se_cmd *cmd)
 		 * Check for overflow of 8byte PRI READ_KEYS payload and
 		 * next reservation key list descriptor.
 		 */
-		if ((add_len + 8) > (cmd->data_length - 8))
-			break;
-
-		put_unaligned_be64(pr_reg->pr_res_key, &buf[off]);
-		off += 8;
+		if (off + 8 <= cmd->data_length) {
+			put_unaligned_be64(pr_reg->pr_res_key, &buf[off]);
+			off += 8;
+		}
+		/*
+		 * SPC5r17: 6.16.2 READ KEYS service action
+		 * The ADDITIONAL LENGTH field indicates the number of bytes in
+		 * the Reservation key list. The contents of the ADDITIONAL
+		 * LENGTH field are not altered based on the allocation length
+		 */
 		add_len += 8;
 	}
 	spin_unlock(&dev->t10_pr.registration_lock);
diff --git a/drivers/target/target_core_user.c b/drivers/target/target_core_user.c
index 7f96dfa32b9c..d8dc3d22051f 100644
--- a/drivers/target/target_core_user.c
+++ b/drivers/target/target_core_user.c
@@ -656,7 +656,7 @@ static void scatter_data_area(struct tcmu_dev *udev,
 }
 
 static void gather_data_area(struct tcmu_dev *udev, struct tcmu_cmd *cmd,
-			     bool bidi)
+			     bool bidi, uint32_t read_len)
 {
 	struct se_cmd *se_cmd = cmd->se_cmd;
 	int i, dbi;
@@ -689,7 +689,7 @@ static void gather_data_area(struct tcmu_dev *udev, struct tcmu_cmd *cmd,
 	for_each_sg(data_sg, sg, data_nents, i) {
 		int sg_remaining = sg->length;
 		to = kmap_atomic(sg_page(sg)) + sg->offset;
-		while (sg_remaining > 0) {
+		while (sg_remaining > 0 && read_len > 0) {
 			if (block_remaining == 0) {
 				if (from)
 					kunmap_atomic(from);
@@ -701,6 +701,8 @@ static void gather_data_area(struct tcmu_dev *udev, struct tcmu_cmd *cmd,
 			}
 			copy_bytes = min_t(size_t, sg_remaining,
 					block_remaining);
+			if (read_len < copy_bytes)
+				copy_bytes = read_len;
 			offset = DATA_BLOCK_SIZE - block_remaining;
 			tcmu_flush_dcache_range(from, copy_bytes);
 			memcpy(to + sg->length - sg_remaining, from + offset,
@@ -708,8 +710,11 @@ static void gather_data_area(struct tcmu_dev *udev, struct tcmu_cmd *cmd,
 
 			sg_remaining -= copy_bytes;
 			block_remaining -= copy_bytes;
+			read_len -= copy_bytes;
 		}
 		kunmap_atomic(to - sg->offset);
+		if (read_len == 0)
+			break;
 	}
 	if (from)
 		kunmap_atomic(from);
@@ -1042,6 +1047,8 @@ static void tcmu_handle_completion(struct tcmu_cmd *cmd, struct tcmu_cmd_entry *
 {
 	struct se_cmd *se_cmd = cmd->se_cmd;
 	struct tcmu_dev *udev = cmd->tcmu_dev;
+	bool read_len_valid = false;
+	uint32_t read_len = se_cmd->data_length;
 
 	/*
 	 * cmd has been completed already from timeout, just reclaim
@@ -1056,13 +1063,28 @@ static void tcmu_handle_completion(struct tcmu_cmd *cmd, struct tcmu_cmd_entry *
 		pr_warn("TCMU: Userspace set UNKNOWN_OP flag on se_cmd %p\n",
 			cmd->se_cmd);
 		entry->rsp.scsi_status = SAM_STAT_CHECK_CONDITION;
-	} else if (entry->rsp.scsi_status == SAM_STAT_CHECK_CONDITION) {
+		goto done;
+	}
+
+	if (se_cmd->data_direction == DMA_FROM_DEVICE &&
+	    (entry->hdr.uflags & TCMU_UFLAG_READ_LEN) && entry->rsp.read_len) {
+		read_len_valid = true;
+		if (entry->rsp.read_len < read_len)
+			read_len = entry->rsp.read_len;
+	}
+
+	if (entry->rsp.scsi_status == SAM_STAT_CHECK_CONDITION) {
 		transport_copy_sense_to_cmd(se_cmd, entry->rsp.sense_buffer);
-	} else if (se_cmd->se_cmd_flags & SCF_BIDI) {
+		if (!read_len_valid )
+			goto done;
+		else
+			se_cmd->se_cmd_flags |= SCF_TREAT_READ_AS_NORMAL;
+	}
+	if (se_cmd->se_cmd_flags & SCF_BIDI) {
 		/* Get Data-In buffer before clean up */
-		gather_data_area(udev, cmd, true);
+		gather_data_area(udev, cmd, true, read_len);
 	} else if (se_cmd->data_direction == DMA_FROM_DEVICE) {
-		gather_data_area(udev, cmd, false);
+		gather_data_area(udev, cmd, false, read_len);
 	} else if (se_cmd->data_direction == DMA_TO_DEVICE) {
 		/* TODO: */
 	} else if (se_cmd->data_direction != DMA_NONE) {
@@ -1070,7 +1092,13 @@ static void tcmu_handle_completion(struct tcmu_cmd *cmd, struct tcmu_cmd_entry *
 			se_cmd->data_direction);
 	}
 
-	target_complete_cmd(cmd->se_cmd, entry->rsp.scsi_status);
+done:
+	if (read_len_valid) {
+		pr_debug("read_len = %d\n", read_len);
+		target_complete_cmd_with_length(cmd->se_cmd,
+					entry->rsp.scsi_status, read_len);
+	} else
+		target_complete_cmd(cmd->se_cmd, entry->rsp.scsi_status);
 
 out:
 	cmd->se_cmd = NULL;
@@ -1740,7 +1768,7 @@ static int tcmu_configure_device(struct se_device *dev)
 	/* Initialise the mailbox of the ring buffer */
 	mb = udev->mb_addr;
 	mb->version = TCMU_MAILBOX_VERSION;
-	mb->flags = TCMU_MAILBOX_FLAG_CAP_OOOC;
+	mb->flags = TCMU_MAILBOX_FLAG_CAP_OOOC | TCMU_MAILBOX_FLAG_CAP_READ_LEN;
 	mb->cmdr_off = CMDR_OFF;
 	mb->cmdr_size = udev->cmdr_size;
 
diff --git a/drivers/thunderbolt/domain.c b/drivers/thunderbolt/domain.c
index 6281266b8ec0..a923ebdeb73c 100644
--- a/drivers/thunderbolt/domain.c
+++ b/drivers/thunderbolt/domain.c
@@ -213,6 +213,10 @@ static ssize_t boot_acl_store(struct device *dev, struct device_attribute *attr,
 		goto err_free_acl;
 	}
 	ret = tb->cm_ops->set_boot_acl(tb, acl, tb->nboot_acl);
+	if (!ret) {
+		/* Notify userspace about the change */
+		kobject_uevent(&tb->dev.kobj, KOBJ_CHANGE);
+	}
 	mutex_unlock(&tb->lock);
 
 err_free_acl:
diff --git a/drivers/tty/n_tty.c b/drivers/tty/n_tty.c
index cbe98bc2b998..431742201709 100644
--- a/drivers/tty/n_tty.c
+++ b/drivers/tty/n_tty.c
@@ -124,6 +124,8 @@ struct n_tty_data {
 	struct mutex output_lock;
 };
 
+#define MASK(x) ((x) & (N_TTY_BUF_SIZE - 1))
+
 static inline size_t read_cnt(struct n_tty_data *ldata)
 {
 	return ldata->read_head - ldata->read_tail;
@@ -141,6 +143,7 @@ static inline unsigned char *read_buf_addr(struct n_tty_data *ldata, size_t i)
 
 static inline unsigned char echo_buf(struct n_tty_data *ldata, size_t i)
 {
+	smp_rmb(); /* Matches smp_wmb() in add_echo_byte(). */
 	return ldata->echo_buf[i & (N_TTY_BUF_SIZE - 1)];
 }
 
@@ -316,9 +319,7 @@ static inline void put_tty_queue(unsigned char c, struct n_tty_data *ldata)
 static void reset_buffer_flags(struct n_tty_data *ldata)
 {
 	ldata->read_head = ldata->canon_head = ldata->read_tail = 0;
-	ldata->echo_head = ldata->echo_tail = ldata->echo_commit = 0;
 	ldata->commit_head = 0;
-	ldata->echo_mark = 0;
 	ldata->line_start = 0;
 
 	ldata->erasing = 0;
@@ -617,13 +618,20 @@ static size_t __process_echoes(struct tty_struct *tty)
 	old_space = space = tty_write_room(tty);
 
 	tail = ldata->echo_tail;
-	while (ldata->echo_commit != tail) {
+	while (MASK(ldata->echo_commit) != MASK(tail)) {
 		c = echo_buf(ldata, tail);
 		if (c == ECHO_OP_START) {
 			unsigned char op;
 			int no_space_left = 0;
 
 			/*
+			 * Since add_echo_byte() is called without holding
+			 * output_lock, we might see only portion of multi-byte
+			 * operation.
+			 */
+			if (MASK(ldata->echo_commit) == MASK(tail + 1))
+				goto not_yet_stored;
+			/*
 			 * If the buffer byte is the start of a multi-byte
 			 * operation, get the next byte, which is either the
 			 * op code or a control character value.
@@ -634,6 +642,8 @@ static size_t __process_echoes(struct tty_struct *tty)
 				unsigned int num_chars, num_bs;
 
 			case ECHO_OP_ERASE_TAB:
+				if (MASK(ldata->echo_commit) == MASK(tail + 2))
+					goto not_yet_stored;
 				num_chars = echo_buf(ldata, tail + 2);
 
 				/*
@@ -728,7 +738,8 @@ static size_t __process_echoes(struct tty_struct *tty)
 	/* If the echo buffer is nearly full (so that the possibility exists
 	 * of echo overrun before the next commit), then discard enough
 	 * data at the tail to prevent a subsequent overrun */
-	while (ldata->echo_commit - tail >= ECHO_DISCARD_WATERMARK) {
+	while (ldata->echo_commit > tail &&
+	       ldata->echo_commit - tail >= ECHO_DISCARD_WATERMARK) {
 		if (echo_buf(ldata, tail) == ECHO_OP_START) {
 			if (echo_buf(ldata, tail + 1) == ECHO_OP_ERASE_TAB)
 				tail += 3;
@@ -738,6 +749,7 @@ static size_t __process_echoes(struct tty_struct *tty)
 			tail++;
 	}
 
+ not_yet_stored:
 	ldata->echo_tail = tail;
 	return old_space - space;
 }
@@ -748,6 +760,7 @@ static void commit_echoes(struct tty_struct *tty)
 	size_t nr, old, echoed;
 	size_t head;
 
+	mutex_lock(&ldata->output_lock);
 	head = ldata->echo_head;
 	ldata->echo_mark = head;
 	old = ldata->echo_commit - ldata->echo_tail;
@@ -756,10 +769,12 @@ static void commit_echoes(struct tty_struct *tty)
 	 * is over the threshold (and try again each time another
 	 * block is accumulated) */
 	nr = head - ldata->echo_tail;
-	if (nr < ECHO_COMMIT_WATERMARK || (nr % ECHO_BLOCK > old % ECHO_BLOCK))
+	if (nr < ECHO_COMMIT_WATERMARK ||
+	    (nr % ECHO_BLOCK > old % ECHO_BLOCK)) {
+		mutex_unlock(&ldata->output_lock);
 		return;
+	}
 
-	mutex_lock(&ldata->output_lock);
 	ldata->echo_commit = head;
 	echoed = __process_echoes(tty);
 	mutex_unlock(&ldata->output_lock);
@@ -810,7 +825,9 @@ static void flush_echoes(struct tty_struct *tty)
 
 static inline void add_echo_byte(unsigned char c, struct n_tty_data *ldata)
 {
-	*echo_buf_addr(ldata, ldata->echo_head++) = c;
+	*echo_buf_addr(ldata, ldata->echo_head) = c;
+	smp_wmb(); /* Matches smp_rmb() in echo_buf(). */
+	ldata->echo_head++;
 }
 
 /**
@@ -978,14 +995,15 @@ static void eraser(unsigned char c, struct tty_struct *tty)
 	}
 
 	seen_alnums = 0;
-	while (ldata->read_head != ldata->canon_head) {
+	while (MASK(ldata->read_head) != MASK(ldata->canon_head)) {
 		head = ldata->read_head;
 
 		/* erase a single possibly multibyte character */
 		do {
 			head--;
 			c = read_buf(ldata, head);
-		} while (is_continuation(c, tty) && head != ldata->canon_head);
+		} while (is_continuation(c, tty) &&
+			 MASK(head) != MASK(ldata->canon_head));
 
 		/* do not partially erase */
 		if (is_continuation(c, tty))
@@ -1027,7 +1045,7 @@ static void eraser(unsigned char c, struct tty_struct *tty)
 				 * This info is used to go back the correct
 				 * number of columns.
 				 */
-				while (tail != ldata->canon_head) {
+				while (MASK(tail) != MASK(ldata->canon_head)) {
 					tail--;
 					c = read_buf(ldata, tail);
 					if (c == '\t') {
@@ -1302,7 +1320,7 @@ n_tty_receive_char_special(struct tty_struct *tty, unsigned char c)
 			finish_erasing(ldata);
 			echo_char(c, tty);
 			echo_char_raw('\n', ldata);
-			while (tail != ldata->read_head) {
+			while (MASK(tail) != MASK(ldata->read_head)) {
 				echo_char(read_buf(ldata, tail), tty);
 				tail++;
 			}
@@ -1878,30 +1896,21 @@ static int n_tty_open(struct tty_struct *tty)
 	struct n_tty_data *ldata;
 
 	/* Currently a malloc failure here can panic */
-	ldata = vmalloc(sizeof(*ldata));
+	ldata = vzalloc(sizeof(*ldata));
 	if (!ldata)
-		goto err;
+		return -ENOMEM;
 
 	ldata->overrun_time = jiffies;
 	mutex_init(&ldata->atomic_read_lock);
 	mutex_init(&ldata->output_lock);
 
 	tty->disc_data = ldata;
-	reset_buffer_flags(tty->disc_data);
-	ldata->column = 0;
-	ldata->canon_column = 0;
-	ldata->num_overrun = 0;
-	ldata->no_room = 0;
-	ldata->lnext = 0;
 	tty->closing = 0;
 	/* indicate buffer work may resume */
 	clear_bit(TTY_LDISC_HALTED, &tty->flags);
 	n_tty_set_termios(tty, NULL);
 	tty_unthrottle(tty);
-
 	return 0;
-err:
-	return -ENOMEM;
 }
 
 static inline int input_available_p(struct tty_struct *tty, int poll)
@@ -2411,7 +2420,7 @@ static unsigned long inq_canon(struct n_tty_data *ldata)
 	tail = ldata->read_tail;
 	nr = head - tail;
 	/* Skip EOF-chars.. */
-	while (head != tail) {
+	while (MASK(head) != MASK(tail)) {
 		if (test_bit(tail & (N_TTY_BUF_SIZE - 1), ldata->read_flags) &&
 		    read_buf(ldata, tail) == __DISABLED_CHAR)
 			nr--;
diff --git a/drivers/tty/serdev/core.c b/drivers/tty/serdev/core.c
index df93b727e984..9e59f4788589 100644
--- a/drivers/tty/serdev/core.c
+++ b/drivers/tty/serdev/core.c
@@ -617,6 +617,7 @@ EXPORT_SYMBOL_GPL(__serdev_device_driver_register);
 static void __exit serdev_exit(void)
 {
 	bus_unregister(&serdev_bus_type);
+	ida_destroy(&ctrl_ida);
 }
 module_exit(serdev_exit);
 
diff --git a/drivers/tty/serial/8250/8250_pci.c b/drivers/tty/serial/8250/8250_pci.c
index 3296a05cda2d..f80a300b5d68 100644
--- a/drivers/tty/serial/8250/8250_pci.c
+++ b/drivers/tty/serial/8250/8250_pci.c
@@ -3339,9 +3339,7 @@ static const struct pci_device_id blacklist[] = {
 	/* multi-io cards handled by parport_serial */
 	{ PCI_DEVICE(0x4348, 0x7053), }, /* WCH CH353 2S1P */
 	{ PCI_DEVICE(0x4348, 0x5053), }, /* WCH CH353 1S1P */
-	{ PCI_DEVICE(0x4348, 0x7173), }, /* WCH CH355 4S */
 	{ PCI_DEVICE(0x1c00, 0x3250), }, /* WCH CH382 2S1P */
-	{ PCI_DEVICE(0x1c00, 0x3470), }, /* WCH CH384 4S */
 
 	/* Moxa Smartio MUE boards handled by 8250_moxa */
 	{ PCI_VDEVICE(MOXA, 0x1024), },
diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
index 1eb1a376a041..15eb6c829d39 100644
--- a/drivers/tty/vt/vt.c
+++ b/drivers/tty/vt/vt.c
@@ -784,7 +784,7 @@ int vc_allocate(unsigned int currcons)	/* return 0 on success */
 	if (!*vc->vc_uni_pagedir_loc)
 		con_set_default_unimap(vc);
 
-	vc->vc_screenbuf = kmalloc(vc->vc_screenbuf_size, GFP_KERNEL);
+	vc->vc_screenbuf = kzalloc(vc->vc_screenbuf_size, GFP_KERNEL);
 	if (!vc->vc_screenbuf)
 		goto err_free;
 
@@ -871,7 +871,7 @@ static int vc_do_resize(struct tty_struct *tty, struct vc_data *vc,
 
 	if (new_screen_size > (4 << 20))
 		return -EINVAL;
-	newscreen = kmalloc(new_screen_size, GFP_USER);
+	newscreen = kzalloc(new_screen_size, GFP_USER);
 	if (!newscreen)
 		return -ENOMEM;
 
diff --git a/drivers/uio/uio.c b/drivers/uio/uio.c
index e8f4ac9400ea..5d421d7e8904 100644
--- a/drivers/uio/uio.c
+++ b/drivers/uio/uio.c
@@ -215,7 +215,20 @@ static ssize_t name_show(struct device *dev,
 			 struct device_attribute *attr, char *buf)
 {
 	struct uio_device *idev = dev_get_drvdata(dev);
-	return sprintf(buf, "%s\n", idev->info->name);
+	int ret;
+
+	mutex_lock(&idev->info_lock);
+	if (!idev->info) {
+		ret = -EINVAL;
+		dev_err(dev, "the device has been unregistered\n");
+		goto out;
+	}
+
+	ret = sprintf(buf, "%s\n", idev->info->name);
+
+out:
+	mutex_unlock(&idev->info_lock);
+	return ret;
 }
 static DEVICE_ATTR_RO(name);
 
@@ -223,7 +236,20 @@ static ssize_t version_show(struct device *dev,
 			    struct device_attribute *attr, char *buf)
 {
 	struct uio_device *idev = dev_get_drvdata(dev);
-	return sprintf(buf, "%s\n", idev->info->version);
+	int ret;
+
+	mutex_lock(&idev->info_lock);
+	if (!idev->info) {
+		ret = -EINVAL;
+		dev_err(dev, "the device has been unregistered\n");
+		goto out;
+	}
+
+	ret = sprintf(buf, "%s\n", idev->info->version);
+
+out:
+	mutex_unlock(&idev->info_lock);
+	return ret;
 }
 static DEVICE_ATTR_RO(version);
 
@@ -415,11 +441,15 @@ EXPORT_SYMBOL_GPL(uio_event_notify);
 static irqreturn_t uio_interrupt(int irq, void *dev_id)
 {
 	struct uio_device *idev = (struct uio_device *)dev_id;
-	irqreturn_t ret = idev->info->handler(irq, idev->info);
+	irqreturn_t ret;
 
+	mutex_lock(&idev->info_lock);
+
+	ret = idev->info->handler(irq, idev->info);
 	if (ret == IRQ_HANDLED)
 		uio_event_notify(idev->info);
 
+	mutex_unlock(&idev->info_lock);
 	return ret;
 }
 
@@ -433,7 +463,6 @@ static int uio_open(struct inode *inode, struct file *filep)
 	struct uio_device *idev;
 	struct uio_listener *listener;
 	int ret = 0;
-	unsigned long flags;
 
 	mutex_lock(&minor_lock);
 	idev = idr_find(&uio_idr, iminor(inode));
@@ -460,10 +489,16 @@ static int uio_open(struct inode *inode, struct file *filep)
 	listener->event_count = atomic_read(&idev->event);
 	filep->private_data = listener;
 
-	spin_lock_irqsave(&idev->info_lock, flags);
+	mutex_lock(&idev->info_lock);
+	if (!idev->info) {
+		mutex_unlock(&idev->info_lock);
+		ret = -EINVAL;
+		goto err_alloc_listener;
+	}
+
 	if (idev->info && idev->info->open)
 		ret = idev->info->open(idev->info, inode);
-	spin_unlock_irqrestore(&idev->info_lock, flags);
+	mutex_unlock(&idev->info_lock);
 	if (ret)
 		goto err_infoopen;
 
@@ -495,12 +530,11 @@ static int uio_release(struct inode *inode, struct file *filep)
 	int ret = 0;
 	struct uio_listener *listener = filep->private_data;
 	struct uio_device *idev = listener->dev;
-	unsigned long flags;
 
-	spin_lock_irqsave(&idev->info_lock, flags);
+	mutex_lock(&idev->info_lock);
 	if (idev->info && idev->info->release)
 		ret = idev->info->release(idev->info, inode);
-	spin_unlock_irqrestore(&idev->info_lock, flags);
+	mutex_unlock(&idev->info_lock);
 
 	module_put(idev->owner);
 	kfree(listener);
@@ -513,12 +547,11 @@ static __poll_t uio_poll(struct file *filep, poll_table *wait)
 	struct uio_listener *listener = filep->private_data;
 	struct uio_device *idev = listener->dev;
 	__poll_t ret = 0;
-	unsigned long flags;
 
-	spin_lock_irqsave(&idev->info_lock, flags);
+	mutex_lock(&idev->info_lock);
 	if (!idev->info || !idev->info->irq)
 		ret = -EIO;
-	spin_unlock_irqrestore(&idev->info_lock, flags);
+	mutex_unlock(&idev->info_lock);
 
 	if (ret)
 		return ret;
@@ -537,12 +570,11 @@ static ssize_t uio_read(struct file *filep, char __user *buf,
 	DECLARE_WAITQUEUE(wait, current);
 	ssize_t retval = 0;
 	s32 event_count;
-	unsigned long flags;
 
-	spin_lock_irqsave(&idev->info_lock, flags);
+	mutex_lock(&idev->info_lock);
 	if (!idev->info || !idev->info->irq)
 		retval = -EIO;
-	spin_unlock_irqrestore(&idev->info_lock, flags);
+	mutex_unlock(&idev->info_lock);
 
 	if (retval)
 		return retval;
@@ -592,9 +624,13 @@ static ssize_t uio_write(struct file *filep, const char __user *buf,
 	struct uio_device *idev = listener->dev;
 	ssize_t retval;
 	s32 irq_on;
-	unsigned long flags;
 
-	spin_lock_irqsave(&idev->info_lock, flags);
+	mutex_lock(&idev->info_lock);
+	if (!idev->info) {
+		retval = -EINVAL;
+		goto out;
+	}
+
 	if (!idev->info || !idev->info->irq) {
 		retval = -EIO;
 		goto out;
@@ -618,7 +654,7 @@ static ssize_t uio_write(struct file *filep, const char __user *buf,
 	retval = idev->info->irqcontrol(idev->info, irq_on);
 
 out:
-	spin_unlock_irqrestore(&idev->info_lock, flags);
+	mutex_unlock(&idev->info_lock);
 	return retval ? retval : sizeof(s32);
 }
 
@@ -640,10 +676,20 @@ static vm_fault_t uio_vma_fault(struct vm_fault *vmf)
 	struct page *page;
 	unsigned long offset;
 	void *addr;
+	int ret = 0;
+	int mi;
 
-	int mi = uio_find_mem_index(vmf->vma);
-	if (mi < 0)
-		return VM_FAULT_SIGBUS;
+	mutex_lock(&idev->info_lock);
+	if (!idev->info) {
+		ret = VM_FAULT_SIGBUS;
+		goto out;
+	}
+
+	mi = uio_find_mem_index(vmf->vma);
+	if (mi < 0) {
+		ret = VM_FAULT_SIGBUS;
+		goto out;
+	}
 
 	/*
 	 * We need to subtract mi because userspace uses offset = N*PAGE_SIZE
@@ -658,7 +704,11 @@ static vm_fault_t uio_vma_fault(struct vm_fault *vmf)
 		page = vmalloc_to_page(addr);
 	get_page(page);
 	vmf->page = page;
-	return 0;
+
+out:
+	mutex_unlock(&idev->info_lock);
+
+	return ret;
 }
 
 static const struct vm_operations_struct uio_logical_vm_ops = {
@@ -683,6 +733,7 @@ static int uio_mmap_physical(struct vm_area_struct *vma)
 	struct uio_device *idev = vma->vm_private_data;
 	int mi = uio_find_mem_index(vma);
 	struct uio_mem *mem;
+
 	if (mi < 0)
 		return -EINVAL;
 	mem = idev->info->mem + mi;
@@ -724,30 +775,46 @@ static int uio_mmap(struct file *filep, struct vm_area_struct *vma)
 
 	vma->vm_private_data = idev;
 
+	mutex_lock(&idev->info_lock);
+	if (!idev->info) {
+		ret = -EINVAL;
+		goto out;
+	}
+
 	mi = uio_find_mem_index(vma);
-	if (mi < 0)
-		return -EINVAL;
+	if (mi < 0) {
+		ret = -EINVAL;
+		goto out;
+	}
 
 	requested_pages = vma_pages(vma);
 	actual_pages = ((idev->info->mem[mi].addr & ~PAGE_MASK)
 			+ idev->info->mem[mi].size + PAGE_SIZE -1) >> PAGE_SHIFT;
-	if (requested_pages > actual_pages)
-		return -EINVAL;
+	if (requested_pages > actual_pages) {
+		ret = -EINVAL;
+		goto out;
+	}
 
 	if (idev->info->mmap) {
 		ret = idev->info->mmap(idev->info, vma);
-		return ret;
+		goto out;
 	}
 
 	switch (idev->info->mem[mi].memtype) {
 		case UIO_MEM_PHYS:
-			return uio_mmap_physical(vma);
+			ret = uio_mmap_physical(vma);
+			break;
 		case UIO_MEM_LOGICAL:
 		case UIO_MEM_VIRTUAL:
-			return uio_mmap_logical(vma);
+			ret = uio_mmap_logical(vma);
+			break;
 		default:
-			return -EINVAL;
+			ret = -EINVAL;
 	}
+
+out:
+	mutex_unlock(&idev->info_lock);
+	return 0;
 }
 
 static const struct file_operations uio_fops = {
@@ -865,7 +932,7 @@ int __uio_register_device(struct module *owner,
 
 	idev->owner = owner;
 	idev->info = info;
-	spin_lock_init(&idev->info_lock);
+	mutex_init(&idev->info_lock);
 	init_waitqueue_head(&idev->wait);
 	atomic_set(&idev->event, 0);
 
@@ -902,8 +969,9 @@ int __uio_register_device(struct module *owner,
 		 * FDs at the time of unregister and therefore may not be
 		 * freed until they are released.
 		 */
-		ret = request_irq(info->irq, uio_interrupt,
-				  info->irq_flags, info->name, idev);
+		ret = request_threaded_irq(info->irq, NULL, uio_interrupt,
+					   info->irq_flags, info->name, idev);
+
 		if (ret)
 			goto err_request_irq;
 	}
@@ -928,7 +996,6 @@ EXPORT_SYMBOL_GPL(__uio_register_device);
 void uio_unregister_device(struct uio_info *info)
 {
 	struct uio_device *idev;
-	unsigned long flags;
 
 	if (!info || !info->uio_dev)
 		return;
@@ -937,14 +1004,14 @@ void uio_unregister_device(struct uio_info *info)
 
 	uio_free_minor(idev);
 
+	mutex_lock(&idev->info_lock);
 	uio_dev_del_attributes(idev);
 
 	if (info->irq && info->irq != UIO_IRQ_CUSTOM)
 		free_irq(info->irq, idev);
 
-	spin_lock_irqsave(&idev->info_lock, flags);
 	idev->info = NULL;
-	spin_unlock_irqrestore(&idev->info_lock, flags);
+	mutex_unlock(&idev->info_lock);
 
 	device_unregister(&idev->dev);
 
diff --git a/drivers/usb/chipidea/Kconfig b/drivers/usb/chipidea/Kconfig
index 785f0ed037f7..ee34e9046f7e 100644
--- a/drivers/usb/chipidea/Kconfig
+++ b/drivers/usb/chipidea/Kconfig
@@ -3,6 +3,7 @@ config USB_CHIPIDEA
 	depends on ((USB_EHCI_HCD && USB_GADGET) || (USB_EHCI_HCD && !USB_GADGET) || (!USB_EHCI_HCD && USB_GADGET)) && HAS_DMA
 	select EXTCON
 	select RESET_CONTROLLER
+	select USB_ULPI_BUS
 	help
 	  Say Y here if your system has a dual role high speed USB
 	  controller based on ChipIdea silicon IP. It supports:
@@ -38,12 +39,4 @@ config USB_CHIPIDEA_HOST
 	help
 	  Say Y here to enable host controller functionality of the
 	  ChipIdea driver.
-
-config USB_CHIPIDEA_ULPI
-	bool "ChipIdea ULPI PHY support"
-	depends on USB_ULPI_BUS=y || USB_ULPI_BUS=USB_CHIPIDEA
-	help
-	  Say Y here if you have a ULPI PHY attached to your ChipIdea
-	  controller.
-
 endif
diff --git a/drivers/usb/chipidea/Makefile b/drivers/usb/chipidea/Makefile
index e3d5e728fa53..12df94f78f72 100644
--- a/drivers/usb/chipidea/Makefile
+++ b/drivers/usb/chipidea/Makefile
@@ -1,11 +1,10 @@
 # SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_USB_CHIPIDEA)		+= ci_hdrc.o
 
-ci_hdrc-y				:= core.o otg.o debug.o
+ci_hdrc-y				:= core.o otg.o debug.o ulpi.o
 ci_hdrc-$(CONFIG_USB_CHIPIDEA_UDC)	+= udc.o
 ci_hdrc-$(CONFIG_USB_CHIPIDEA_HOST)	+= host.o
 ci_hdrc-$(CONFIG_USB_OTG_FSM)		+= otg_fsm.o
-ci_hdrc-$(CONFIG_USB_CHIPIDEA_ULPI)	+= ulpi.o
 
 # Glue/Bridge layers go here
 
diff --git a/drivers/usb/chipidea/ci.h b/drivers/usb/chipidea/ci.h
index 0bf244d50544..6a2cc5cd0281 100644
--- a/drivers/usb/chipidea/ci.h
+++ b/drivers/usb/chipidea/ci.h
@@ -240,10 +240,8 @@ struct ci_hdrc {
 
 	struct ci_hdrc_platform_data	*platdata;
 	int				vbus_active;
-#ifdef CONFIG_USB_CHIPIDEA_ULPI
 	struct ulpi			*ulpi;
 	struct ulpi_ops 		ulpi_ops;
-#endif
 	struct phy			*phy;
 	/* old usb_phy interface */
 	struct usb_phy			*usb_phy;
@@ -426,15 +424,9 @@ static inline bool ci_otg_is_fsm_mode(struct ci_hdrc *ci)
 #endif
 }
 
-#if IS_ENABLED(CONFIG_USB_CHIPIDEA_ULPI)
 int ci_ulpi_init(struct ci_hdrc *ci);
 void ci_ulpi_exit(struct ci_hdrc *ci);
 int ci_ulpi_resume(struct ci_hdrc *ci);
-#else
-static inline int ci_ulpi_init(struct ci_hdrc *ci) { return 0; }
-static inline void ci_ulpi_exit(struct ci_hdrc *ci) { }
-static inline int ci_ulpi_resume(struct ci_hdrc *ci) { return 0; }
-#endif
 
 u32 hw_read_intr_enable(struct ci_hdrc *ci);
 
diff --git a/drivers/usb/chipidea/host.c b/drivers/usb/chipidea/host.c
index af45aa3222b5..4638d9b066be 100644
--- a/drivers/usb/chipidea/host.c
+++ b/drivers/usb/chipidea/host.c
@@ -124,8 +124,11 @@ static int host_start(struct ci_hdrc *ci)
 
 	hcd->power_budget = ci->platdata->power_budget;
 	hcd->tpl_support = ci->platdata->tpl_support;
-	if (ci->phy || ci->usb_phy)
+	if (ci->phy || ci->usb_phy) {
 		hcd->skip_phy_initialization = 1;
+		if (ci->usb_phy)
+			hcd->usb_phy = ci->usb_phy;
+	}
 
 	ehci = hcd_to_ehci(hcd);
 	ehci->caps = ci->hw_bank.cap;
diff --git a/drivers/usb/chipidea/ulpi.c b/drivers/usb/chipidea/ulpi.c
index 6da42dcd2888..dfec07e8ae1d 100644
--- a/drivers/usb/chipidea/ulpi.c
+++ b/drivers/usb/chipidea/ulpi.c
@@ -95,6 +95,9 @@ int ci_ulpi_resume(struct ci_hdrc *ci)
 {
 	int cnt = 100000;
 
+	if (ci->platdata->phy_mode != USBPHY_INTERFACE_MODE_ULPI)
+		return 0;
+
 	while (cnt-- > 0) {
 		if (hw_read(ci, OP_ULPI_VIEWPORT, ULPI_SYNC_STATE))
 			return 0;
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index 7b366a6c0b49..75c4623ad779 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -1758,6 +1758,9 @@ static const struct usb_device_id acm_ids[] = {
 	{ USB_DEVICE(0x11ca, 0x0201), /* VeriFone Mx870 Gadget Serial */
 	.driver_info = SINGLE_RX_URB,
 	},
+	{ USB_DEVICE(0x1965, 0x0018), /* Uniden UBC125XLT */
+	.driver_info = NO_UNION_NORMAL, /* has no union descriptor */
+	},
 	{ USB_DEVICE(0x22b8, 0x7000), /* Motorola Q Phone */
 	.driver_info = NO_UNION_NORMAL, /* has no union descriptor */
 	},
@@ -1828,6 +1831,9 @@ static const struct usb_device_id acm_ids[] = {
 	{ USB_DEVICE(0x09d8, 0x0320), /* Elatec GmbH TWN3 */
 	.driver_info = NO_UNION_NORMAL, /* has misplaced union descriptor */
 	},
+	{ USB_DEVICE(0x0ca6, 0xa050), /* Castles VEGA3000 */
+	.driver_info = NO_UNION_NORMAL, /* reports zero length descriptor */
+	},
 
 	{ USB_DEVICE(0x2912, 0x0001), /* ATOL FPrint */
 	.driver_info = CLEAR_HALT_CONDITIONS,
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index fcae521df29b..1fb266809966 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -1142,10 +1142,14 @@ static void hub_activate(struct usb_hub *hub, enum hub_activation_type type)
 
 		if (!udev || udev->state == USB_STATE_NOTATTACHED) {
 			/* Tell hub_wq to disconnect the device or
-			 * check for a new connection
+			 * check for a new connection or over current condition.
+			 * Based on USB2.0 Spec Section 11.12.5,
+			 * C_PORT_OVER_CURRENT could be set while
+			 * PORT_OVER_CURRENT is not. So check for any of them.
 			 */
 			if (udev || (portstatus & USB_PORT_STAT_CONNECTION) ||
-			    (portstatus & USB_PORT_STAT_OVERCURRENT))
+			    (portstatus & USB_PORT_STAT_OVERCURRENT) ||
+			    (portchange & USB_PORT_STAT_C_OVERCURRENT))
 				set_bit(port1, hub->change_bits);
 
 		} else if (portstatus & USB_PORT_STAT_ENABLE) {
diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c
index c55def2f1320..097057d2eacf 100644
--- a/drivers/usb/core/quirks.c
+++ b/drivers/usb/core/quirks.c
@@ -378,6 +378,10 @@ static const struct usb_device_id usb_quirk_list[] = {
 	/* Corsair K70 RGB */
 	{ USB_DEVICE(0x1b1c, 0x1b13), .driver_info = USB_QUIRK_DELAY_INIT },
 
+	/* Corsair Strafe */
+	{ USB_DEVICE(0x1b1c, 0x1b15), .driver_info = USB_QUIRK_DELAY_INIT |
+	  USB_QUIRK_DELAY_CTRL_MSG },
+
 	/* Corsair Strafe RGB */
 	{ USB_DEVICE(0x1b1c, 0x1b20), .driver_info = USB_QUIRK_DELAY_INIT |
 	  USB_QUIRK_DELAY_CTRL_MSG },
diff --git a/drivers/usb/dwc2/core.h b/drivers/usb/dwc2/core.h
index 4a56ac772a3c..71b3b08ad516 100644
--- a/drivers/usb/dwc2/core.h
+++ b/drivers/usb/dwc2/core.h
@@ -1004,6 +1004,7 @@ struct dwc2_hregs_backup {
  * @frame_list_sz:      Frame list size
  * @desc_gen_cache:     Kmem cache for generic descriptors
  * @desc_hsisoc_cache:  Kmem cache for hs isochronous descriptors
+ * @unaligned_cache:    Kmem cache for DMA mode to handle non-aligned buf
  *
  * These are for peripheral mode:
  *
@@ -1177,6 +1178,8 @@ struct dwc2_hsotg {
 	u32 frame_list_sz;
 	struct kmem_cache *desc_gen_cache;
 	struct kmem_cache *desc_hsisoc_cache;
+	struct kmem_cache *unaligned_cache;
+#define DWC2_KMEM_UNALIGNED_BUF_SIZE 1024
 
 #endif /* CONFIG_USB_DWC2_HOST || CONFIG_USB_DWC2_DUAL_ROLE */
 
diff --git a/drivers/usb/dwc2/gadget.c b/drivers/usb/dwc2/gadget.c
index f0d9ccf1d665..cefc99ae69b2 100644
--- a/drivers/usb/dwc2/gadget.c
+++ b/drivers/usb/dwc2/gadget.c
@@ -812,6 +812,7 @@ static int dwc2_gadget_fill_isoc_desc(struct dwc2_hsotg_ep *hs_ep,
 	u32 index;
 	u32 maxsize = 0;
 	u32 mask = 0;
+	u8 pid = 0;
 
 	maxsize = dwc2_gadget_get_desc_params(hs_ep, &mask);
 
@@ -840,7 +841,11 @@ static int dwc2_gadget_fill_isoc_desc(struct dwc2_hsotg_ep *hs_ep,
 			 ((len << DEV_DMA_NBYTES_SHIFT) & mask));
 
 	if (hs_ep->dir_in) {
-		desc->status |= ((hs_ep->mc << DEV_DMA_ISOC_PID_SHIFT) &
+		if (len)
+			pid = DIV_ROUND_UP(len, hs_ep->ep.maxpacket);
+		else
+			pid = 1;
+		desc->status |= ((pid << DEV_DMA_ISOC_PID_SHIFT) &
 				 DEV_DMA_ISOC_PID_MASK) |
 				((len % hs_ep->ep.maxpacket) ?
 				 DEV_DMA_SHORT : 0) |
@@ -884,6 +889,7 @@ static void dwc2_gadget_start_isoc_ddma(struct dwc2_hsotg_ep *hs_ep)
 	struct dwc2_dma_desc *desc;
 
 	if (list_empty(&hs_ep->queue)) {
+		hs_ep->target_frame = TARGET_FRAME_INITIAL;
 		dev_dbg(hsotg->dev, "%s: No requests in queue\n", __func__);
 		return;
 	}
@@ -2755,8 +2761,6 @@ static void dwc2_gadget_handle_out_token_ep_disabled(struct dwc2_hsotg_ep *ep)
 	 */
 	tmp = dwc2_hsotg_read_frameno(hsotg);
 
-	dwc2_hsotg_complete_request(hsotg, ep, get_ep_head(ep), 0);
-
 	if (using_desc_dma(hsotg)) {
 		if (ep->target_frame == TARGET_FRAME_INITIAL) {
 			/* Start first ISO Out */
@@ -2817,9 +2821,6 @@ static void dwc2_gadget_handle_nak(struct dwc2_hsotg_ep *hs_ep)
 
 		tmp = dwc2_hsotg_read_frameno(hsotg);
 		if (using_desc_dma(hsotg)) {
-			dwc2_hsotg_complete_request(hsotg, hs_ep,
-						    get_ep_head(hs_ep), 0);
-
 			hs_ep->target_frame = tmp;
 			dwc2_gadget_incr_frame_num(hs_ep);
 			dwc2_gadget_start_isoc_ddma(hs_ep);
@@ -3429,7 +3430,7 @@ static void dwc2_gadget_handle_incomplete_isoc_in(struct dwc2_hsotg *hsotg)
 	for (idx = 1; idx < hsotg->num_of_eps; idx++) {
 		hs_ep = hsotg->eps_in[idx];
 		/* Proceed only unmasked ISOC EPs */
-		if (!hs_ep->isochronous || (BIT(idx) & ~daintmsk))
+		if ((BIT(idx) & ~daintmsk) || !hs_ep->isochronous)
 			continue;
 
 		epctrl = dwc2_readl(hsotg->regs + DIEPCTL(idx));
@@ -3475,7 +3476,7 @@ static void dwc2_gadget_handle_incomplete_isoc_out(struct dwc2_hsotg *hsotg)
 	for (idx = 1; idx < hsotg->num_of_eps; idx++) {
 		hs_ep = hsotg->eps_out[idx];
 		/* Proceed only unmasked ISOC EPs */
-		if (!hs_ep->isochronous || (BIT(idx) & ~daintmsk))
+		if ((BIT(idx) & ~daintmsk) || !hs_ep->isochronous)
 			continue;
 
 		epctrl = dwc2_readl(hsotg->regs + DOEPCTL(idx));
@@ -3649,7 +3650,7 @@ irq_retry:
 		for (idx = 1; idx < hsotg->num_of_eps; idx++) {
 			hs_ep = hsotg->eps_out[idx];
 			/* Proceed only unmasked ISOC EPs */
-			if (!hs_ep->isochronous || (BIT(idx) & ~daintmsk))
+			if ((BIT(idx) & ~daintmsk) || !hs_ep->isochronous)
 				continue;
 
 			epctrl = dwc2_readl(hsotg->regs + DOEPCTL(idx));
@@ -4739,9 +4740,11 @@ int dwc2_gadget_init(struct dwc2_hsotg *hsotg)
 	}
 
 	ret = usb_add_gadget_udc(dev, &hsotg->gadget);
-	if (ret)
+	if (ret) {
+		dwc2_hsotg_ep_free_request(&hsotg->eps_out[0]->ep,
+					   hsotg->ctrl_req);
 		return ret;
-
+	}
 	dwc2_hsotg_dump(hsotg);
 
 	return 0;
@@ -4755,6 +4758,7 @@ int dwc2_gadget_init(struct dwc2_hsotg *hsotg)
 int dwc2_hsotg_remove(struct dwc2_hsotg *hsotg)
 {
 	usb_del_gadget_udc(&hsotg->gadget);
+	dwc2_hsotg_ep_free_request(&hsotg->eps_out[0]->ep, hsotg->ctrl_req);
 
 	return 0;
 }
diff --git a/drivers/usb/dwc2/hcd.c b/drivers/usb/dwc2/hcd.c
index edaf0b6af4f0..6e2cdd7b93d4 100644
--- a/drivers/usb/dwc2/hcd.c
+++ b/drivers/usb/dwc2/hcd.c
@@ -1567,11 +1567,20 @@ static void dwc2_hc_start_transfer(struct dwc2_hsotg *hsotg,
 	}
 
 	if (hsotg->params.host_dma) {
-		dwc2_writel((u32)chan->xfer_dma,
-			    hsotg->regs + HCDMA(chan->hc_num));
+		dma_addr_t dma_addr;
+
+		if (chan->align_buf) {
+			if (dbg_hc(chan))
+				dev_vdbg(hsotg->dev, "align_buf\n");
+			dma_addr = chan->align_buf;
+		} else {
+			dma_addr = chan->xfer_dma;
+		}
+		dwc2_writel((u32)dma_addr, hsotg->regs + HCDMA(chan->hc_num));
+
 		if (dbg_hc(chan))
 			dev_vdbg(hsotg->dev, "Wrote %08lx to HCDMA(%d)\n",
-				 (unsigned long)chan->xfer_dma, chan->hc_num);
+				 (unsigned long)dma_addr, chan->hc_num);
 	}
 
 	/* Start the split */
@@ -2625,36 +2634,66 @@ static void dwc2_hc_init_xfer(struct dwc2_hsotg *hsotg,
 	}
 }
 
-#define DWC2_USB_DMA_ALIGN 4
+static int dwc2_alloc_split_dma_aligned_buf(struct dwc2_hsotg *hsotg,
+					    struct dwc2_qh *qh,
+					    struct dwc2_host_chan *chan)
+{
+	if (!hsotg->unaligned_cache ||
+	    chan->max_packet > DWC2_KMEM_UNALIGNED_BUF_SIZE)
+		return -ENOMEM;
 
-struct dma_aligned_buffer {
-	void *kmalloc_ptr;
-	void *old_xfer_buffer;
-	u8 data[0];
-};
+	if (!qh->dw_align_buf) {
+		qh->dw_align_buf = kmem_cache_alloc(hsotg->unaligned_cache,
+						    GFP_ATOMIC | GFP_DMA);
+		if (!qh->dw_align_buf)
+			return -ENOMEM;
+	}
+
+	qh->dw_align_buf_dma = dma_map_single(hsotg->dev, qh->dw_align_buf,
+					      DWC2_KMEM_UNALIGNED_BUF_SIZE,
+					      DMA_FROM_DEVICE);
+
+	if (dma_mapping_error(hsotg->dev, qh->dw_align_buf_dma)) {
+		dev_err(hsotg->dev, "can't map align_buf\n");
+		chan->align_buf = 0;
+		return -EINVAL;
+	}
+
+	chan->align_buf = qh->dw_align_buf_dma;
+	return 0;
+}
+
+#define DWC2_USB_DMA_ALIGN 4
 
 static void dwc2_free_dma_aligned_buffer(struct urb *urb)
 {
-	struct dma_aligned_buffer *temp;
+	void *stored_xfer_buffer;
+	size_t length;
 
 	if (!(urb->transfer_flags & URB_ALIGNED_TEMP_BUFFER))
 		return;
 
-	temp = container_of(urb->transfer_buffer,
-			    struct dma_aligned_buffer, data);
+	/* Restore urb->transfer_buffer from the end of the allocated area */
+	memcpy(&stored_xfer_buffer, urb->transfer_buffer +
+	       urb->transfer_buffer_length, sizeof(urb->transfer_buffer));
 
-	if (usb_urb_dir_in(urb))
-		memcpy(temp->old_xfer_buffer, temp->data,
-		       urb->transfer_buffer_length);
-	urb->transfer_buffer = temp->old_xfer_buffer;
-	kfree(temp->kmalloc_ptr);
+	if (usb_urb_dir_in(urb)) {
+		if (usb_pipeisoc(urb->pipe))
+			length = urb->transfer_buffer_length;
+		else
+			length = urb->actual_length;
+
+		memcpy(stored_xfer_buffer, urb->transfer_buffer, length);
+	}
+	kfree(urb->transfer_buffer);
+	urb->transfer_buffer = stored_xfer_buffer;
 
 	urb->transfer_flags &= ~URB_ALIGNED_TEMP_BUFFER;
 }
 
 static int dwc2_alloc_dma_aligned_buffer(struct urb *urb, gfp_t mem_flags)
 {
-	struct dma_aligned_buffer *temp, *kmalloc_ptr;
+	void *kmalloc_ptr;
 	size_t kmalloc_size;
 
 	if (urb->num_sgs || urb->sg ||
@@ -2662,22 +2701,29 @@ static int dwc2_alloc_dma_aligned_buffer(struct urb *urb, gfp_t mem_flags)
 	    !((uintptr_t)urb->transfer_buffer & (DWC2_USB_DMA_ALIGN - 1)))
 		return 0;
 
-	/* Allocate a buffer with enough padding for alignment */
+	/*
+	 * Allocate a buffer with enough padding for original transfer_buffer
+	 * pointer. This allocation is guaranteed to be aligned properly for
+	 * DMA
+	 */
 	kmalloc_size = urb->transfer_buffer_length +
-		sizeof(struct dma_aligned_buffer) + DWC2_USB_DMA_ALIGN - 1;
+		sizeof(urb->transfer_buffer);
 
 	kmalloc_ptr = kmalloc(kmalloc_size, mem_flags);
 	if (!kmalloc_ptr)
 		return -ENOMEM;
 
-	/* Position our struct dma_aligned_buffer such that data is aligned */
-	temp = PTR_ALIGN(kmalloc_ptr + 1, DWC2_USB_DMA_ALIGN) - 1;
-	temp->kmalloc_ptr = kmalloc_ptr;
-	temp->old_xfer_buffer = urb->transfer_buffer;
+	/*
+	 * Position value of original urb->transfer_buffer pointer to the end
+	 * of allocation for later referencing
+	 */
+	memcpy(kmalloc_ptr + urb->transfer_buffer_length,
+	       &urb->transfer_buffer, sizeof(urb->transfer_buffer));
+
 	if (usb_urb_dir_out(urb))
-		memcpy(temp->data, urb->transfer_buffer,
+		memcpy(kmalloc_ptr, urb->transfer_buffer,
 		       urb->transfer_buffer_length);
-	urb->transfer_buffer = temp->data;
+	urb->transfer_buffer = kmalloc_ptr;
 
 	urb->transfer_flags |= URB_ALIGNED_TEMP_BUFFER;
 
@@ -2802,6 +2848,32 @@ static int dwc2_assign_and_init_hc(struct dwc2_hsotg *hsotg, struct dwc2_qh *qh)
 	/* Set the transfer attributes */
 	dwc2_hc_init_xfer(hsotg, chan, qtd);
 
+	/* For non-dword aligned buffers */
+	if (hsotg->params.host_dma && qh->do_split &&
+	    chan->ep_is_in && (chan->xfer_dma & 0x3)) {
+		dev_vdbg(hsotg->dev, "Non-aligned buffer\n");
+		if (dwc2_alloc_split_dma_aligned_buf(hsotg, qh, chan)) {
+			dev_err(hsotg->dev,
+				"Failed to allocate memory to handle non-aligned buffer\n");
+			/* Add channel back to free list */
+			chan->align_buf = 0;
+			chan->multi_count = 0;
+			list_add_tail(&chan->hc_list_entry,
+				      &hsotg->free_hc_list);
+			qtd->in_process = 0;
+			qh->channel = NULL;
+			return -ENOMEM;
+		}
+	} else {
+		/*
+		 * We assume that DMA is always aligned in non-split
+		 * case or split out case. Warn if not.
+		 */
+		WARN_ON_ONCE(hsotg->params.host_dma &&
+			     (chan->xfer_dma & 0x3));
+		chan->align_buf = 0;
+	}
+
 	if (chan->ep_type == USB_ENDPOINT_XFER_INT ||
 	    chan->ep_type == USB_ENDPOINT_XFER_ISOC)
 		/*
@@ -5246,6 +5318,19 @@ int dwc2_hcd_init(struct dwc2_hsotg *hsotg)
 		}
 	}
 
+	if (hsotg->params.host_dma) {
+		/*
+		 * Create kmem caches to handle non-aligned buffer
+		 * in Buffer DMA mode.
+		 */
+		hsotg->unaligned_cache = kmem_cache_create("dwc2-unaligned-dma",
+						DWC2_KMEM_UNALIGNED_BUF_SIZE, 4,
+						SLAB_CACHE_DMA, NULL);
+		if (!hsotg->unaligned_cache)
+			dev_err(hsotg->dev,
+				"unable to create dwc2 unaligned cache\n");
+	}
+
 	hsotg->otg_port = 1;
 	hsotg->frame_list = NULL;
 	hsotg->frame_list_dma = 0;
@@ -5280,8 +5365,9 @@ int dwc2_hcd_init(struct dwc2_hsotg *hsotg)
 	return 0;
 
 error4:
-	kmem_cache_destroy(hsotg->desc_gen_cache);
+	kmem_cache_destroy(hsotg->unaligned_cache);
 	kmem_cache_destroy(hsotg->desc_hsisoc_cache);
+	kmem_cache_destroy(hsotg->desc_gen_cache);
 error3:
 	dwc2_hcd_release(hsotg);
 error2:
@@ -5322,8 +5408,9 @@ void dwc2_hcd_remove(struct dwc2_hsotg *hsotg)
 	usb_remove_hcd(hcd);
 	hsotg->priv = NULL;
 
-	kmem_cache_destroy(hsotg->desc_gen_cache);
+	kmem_cache_destroy(hsotg->unaligned_cache);
 	kmem_cache_destroy(hsotg->desc_hsisoc_cache);
+	kmem_cache_destroy(hsotg->desc_gen_cache);
 
 	dwc2_hcd_release(hsotg);
 	usb_put_hcd(hcd);
@@ -5435,7 +5522,7 @@ int dwc2_host_enter_hibernation(struct dwc2_hsotg *hsotg)
 	dwc2_writel(hprt0, hsotg->regs + HPRT0);
 
 	/* Wait for the HPRT0.PrtSusp register field to be set */
-	if (dwc2_hsotg_wait_bit_set(hsotg, HPRT0, HPRT0_SUSP, 300))
+	if (dwc2_hsotg_wait_bit_set(hsotg, HPRT0, HPRT0_SUSP, 3000))
 		dev_warn(hsotg->dev, "Suspend wasn't generated\n");
 
 	/*
@@ -5616,6 +5703,8 @@ int dwc2_host_exit_hibernation(struct dwc2_hsotg *hsotg, int rem_wakeup,
 		return ret;
 	}
 
+	dwc2_hcd_rem_wakeup(hsotg);
+
 	hsotg->hibernated = 0;
 	hsotg->bus_suspended = 0;
 	hsotg->lx_state = DWC2_L0;
diff --git a/drivers/usb/dwc2/hcd.h b/drivers/usb/dwc2/hcd.h
index 7db1ee7e7a77..5502a501f516 100644
--- a/drivers/usb/dwc2/hcd.h
+++ b/drivers/usb/dwc2/hcd.h
@@ -76,6 +76,8 @@ struct dwc2_qh;
  *                      (micro)frame
  * @xfer_buf:           Pointer to current transfer buffer position
  * @xfer_dma:           DMA address of xfer_buf
+ * @align_buf:          In Buffer DMA mode this will be used if xfer_buf is not
+ *                      DWORD aligned
  * @xfer_len:           Total number of bytes to transfer
  * @xfer_count:         Number of bytes transferred so far
  * @start_pkt_count:    Packet count at start of transfer
@@ -133,6 +135,7 @@ struct dwc2_host_chan {
 
 	u8 *xfer_buf;
 	dma_addr_t xfer_dma;
+	dma_addr_t align_buf;
 	u32 xfer_len;
 	u32 xfer_count;
 	u16 start_pkt_count;
@@ -302,6 +305,9 @@ struct dwc2_hs_transfer_time {
  *                           speed.  Note that this is in "schedule slice" which
  *                           is tightly packed.
  * @ntd:                Actual number of transfer descriptors in a list
+ * @dw_align_buf:       Used instead of original buffer if its physical address
+ *                      is not dword-aligned
+ * @dw_align_buf_dma:   DMA address for dw_align_buf
  * @qtd_list:           List of QTDs for this QH
  * @channel:            Host channel currently processing transfers for this QH
  * @qh_list_entry:      Entry for QH in either the periodic or non-periodic
@@ -350,6 +356,8 @@ struct dwc2_qh {
 	struct dwc2_hs_transfer_time hs_transfers[DWC2_HS_SCHEDULE_UFRAMES];
 	u32 ls_start_schedule_slice;
 	u16 ntd;
+	u8 *dw_align_buf;
+	dma_addr_t dw_align_buf_dma;
 	struct list_head qtd_list;
 	struct dwc2_host_chan *channel;
 	struct list_head qh_list_entry;
diff --git a/drivers/usb/dwc2/hcd_intr.c b/drivers/usb/dwc2/hcd_intr.c
index fbea5e3fb947..8ce10caf3e19 100644
--- a/drivers/usb/dwc2/hcd_intr.c
+++ b/drivers/usb/dwc2/hcd_intr.c
@@ -942,14 +942,21 @@ static int dwc2_xfercomp_isoc_split_in(struct dwc2_hsotg *hsotg,
 	frame_desc = &qtd->urb->iso_descs[qtd->isoc_frame_index];
 	len = dwc2_get_actual_xfer_length(hsotg, chan, chnum, qtd,
 					  DWC2_HC_XFER_COMPLETE, NULL);
-	if (!len) {
+	if (!len && !qtd->isoc_split_offset) {
 		qtd->complete_split = 0;
-		qtd->isoc_split_offset = 0;
 		return 0;
 	}
 
 	frame_desc->actual_length += len;
 
+	if (chan->align_buf) {
+		dev_vdbg(hsotg->dev, "non-aligned buffer\n");
+		dma_unmap_single(hsotg->dev, chan->qh->dw_align_buf_dma,
+				 DWC2_KMEM_UNALIGNED_BUF_SIZE, DMA_FROM_DEVICE);
+		memcpy(qtd->urb->buf + (chan->xfer_dma - qtd->urb->dma),
+		       chan->qh->dw_align_buf, len);
+	}
+
 	qtd->isoc_split_offset += len;
 
 	hctsiz = dwc2_readl(hsotg->regs + HCTSIZ(chnum));
@@ -1224,7 +1231,10 @@ static void dwc2_hc_nak_intr(struct dwc2_hsotg *hsotg,
 	 * avoid interrupt storms we'll wait before retrying if we've got
 	 * several NAKs. If we didn't do this we'd retry directly from the
 	 * interrupt handler and could end up quickly getting another
-	 * interrupt (another NAK), which we'd retry.
+	 * interrupt (another NAK), which we'd retry. Note that we do not
+	 * delay retries for IN parts of control requests, as those are expected
+	 * to complete fairly quickly, and if we delay them we risk confusing
+	 * the device and cause it issue STALL.
 	 *
 	 * Note that in DMA mode software only gets involved to re-send NAKed
 	 * transfers for split transactions, so we only need to apply this
@@ -1237,7 +1247,9 @@ static void dwc2_hc_nak_intr(struct dwc2_hsotg *hsotg,
 			qtd->error_count = 0;
 		qtd->complete_split = 0;
 		qtd->num_naks++;
-		qtd->qh->want_wait = qtd->num_naks >= DWC2_NAKS_BEFORE_DELAY;
+		qtd->qh->want_wait = qtd->num_naks >= DWC2_NAKS_BEFORE_DELAY &&
+				!(chan->ep_type == USB_ENDPOINT_XFER_CONTROL &&
+				  chan->ep_is_in);
 		dwc2_halt_channel(hsotg, chan, qtd, DWC2_HC_XFER_NAK);
 		goto handle_nak_done;
 	}
diff --git a/drivers/usb/dwc2/hcd_queue.c b/drivers/usb/dwc2/hcd_queue.c
index d7c3d6c776d8..301ced1618f8 100644
--- a/drivers/usb/dwc2/hcd_queue.c
+++ b/drivers/usb/dwc2/hcd_queue.c
@@ -383,7 +383,7 @@ static unsigned long *dwc2_get_ls_map(struct dwc2_hsotg *hsotg,
 	/* Get the map and adjust if this is a multi_tt hub */
 	map = qh->dwc_tt->periodic_bitmaps;
 	if (qh->dwc_tt->usb_tt->multi)
-		map += DWC2_ELEMENTS_PER_LS_BITMAP * qh->ttport;
+		map += DWC2_ELEMENTS_PER_LS_BITMAP * (qh->ttport - 1);
 
 	return map;
 }
@@ -1696,6 +1696,9 @@ void dwc2_hcd_qh_free(struct dwc2_hsotg *hsotg, struct dwc2_qh *qh)
 
 	if (qh->desc_list)
 		dwc2_hcd_qh_free_ddma(hsotg, qh);
+	else if (hsotg->unaligned_cache && qh->dw_align_buf)
+		kmem_cache_free(hsotg->unaligned_cache, qh->dw_align_buf);
+
 	kfree(qh);
 }
 
diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
index ea91310113b9..103807587dc6 100644
--- a/drivers/usb/dwc3/core.c
+++ b/drivers/usb/dwc3/core.c
@@ -1272,7 +1272,6 @@ static int dwc3_probe(struct platform_device *pdev)
 	if (!dwc->clks)
 		return -ENOMEM;
 
-	dwc->num_clks = ARRAY_SIZE(dwc3_core_clks);
 	dwc->dev = dev;
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
@@ -1307,15 +1306,19 @@ static int dwc3_probe(struct platform_device *pdev)
 	if (IS_ERR(dwc->reset))
 		return PTR_ERR(dwc->reset);
 
-	ret = clk_bulk_get(dev, dwc->num_clks, dwc->clks);
-	if (ret == -EPROBE_DEFER)
-		return ret;
-	/*
-	 * Clocks are optional, but new DT platforms should support all clocks
-	 * as required by the DT-binding.
-	 */
-	if (ret)
-		dwc->num_clks = 0;
+	if (dev->of_node) {
+		dwc->num_clks = ARRAY_SIZE(dwc3_core_clks);
+
+		ret = clk_bulk_get(dev, dwc->num_clks, dwc->clks);
+		if (ret == -EPROBE_DEFER)
+			return ret;
+		/*
+		 * Clocks are optional, but new DT platforms should support all
+		 * clocks as required by the DT-binding.
+		 */
+		if (ret)
+			dwc->num_clks = 0;
+	}
 
 	ret = reset_control_deassert(dwc->reset);
 	if (ret)
diff --git a/drivers/usb/dwc3/dwc3-of-simple.c b/drivers/usb/dwc3/dwc3-of-simple.c
index 6b3ccd542bd7..dbeff5e6ad14 100644
--- a/drivers/usb/dwc3/dwc3-of-simple.c
+++ b/drivers/usb/dwc3/dwc3-of-simple.c
@@ -165,8 +165,9 @@ static int dwc3_of_simple_remove(struct platform_device *pdev)
 
 	reset_control_put(simple->resets);
 
-	pm_runtime_put_sync(dev);
 	pm_runtime_disable(dev);
+	pm_runtime_put_noidle(dev);
+	pm_runtime_set_suspended(dev);
 
 	return 0;
 }
diff --git a/drivers/usb/dwc3/dwc3-pci.c b/drivers/usb/dwc3/dwc3-pci.c
index c961a94d136b..f57e7c94b8e5 100644
--- a/drivers/usb/dwc3/dwc3-pci.c
+++ b/drivers/usb/dwc3/dwc3-pci.c
@@ -34,6 +34,7 @@
 #define PCI_DEVICE_ID_INTEL_GLK			0x31aa
 #define PCI_DEVICE_ID_INTEL_CNPLP		0x9dee
 #define PCI_DEVICE_ID_INTEL_CNPH		0xa36e
+#define PCI_DEVICE_ID_INTEL_ICLLP		0x34ee
 
 #define PCI_INTEL_BXT_DSM_GUID		"732b85d5-b7a7-4a1b-9ba0-4bbd00ffd511"
 #define PCI_INTEL_BXT_FUNC_PMU_PWR	4
@@ -289,6 +290,7 @@ static const struct pci_device_id dwc3_pci_id_table[] = {
 	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_GLK), },
 	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_CNPLP), },
 	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_CNPH), },
+	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICLLP), },
 	{ PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_NL_USB), },
 	{  }	/* Terminating Entry */
 };
diff --git a/drivers/usb/dwc3/dwc3-qcom.c b/drivers/usb/dwc3/dwc3-qcom.c
index b0e67ab2f98c..a6d0203e40b6 100644
--- a/drivers/usb/dwc3/dwc3-qcom.c
+++ b/drivers/usb/dwc3/dwc3-qcom.c
@@ -490,6 +490,7 @@ static int dwc3_qcom_probe(struct platform_device *pdev)
 	qcom->dwc3 = of_find_device_by_node(dwc3_np);
 	if (!qcom->dwc3) {
 		dev_err(&pdev->dev, "failed to get dwc3 platform device\n");
+		ret = -ENODEV;
 		goto depopulate;
 	}
 
@@ -547,8 +548,7 @@ static int dwc3_qcom_remove(struct platform_device *pdev)
 	return 0;
 }
 
-#ifdef CONFIG_PM_SLEEP
-static int dwc3_qcom_pm_suspend(struct device *dev)
+static int __maybe_unused dwc3_qcom_pm_suspend(struct device *dev)
 {
 	struct dwc3_qcom *qcom = dev_get_drvdata(dev);
 	int ret = 0;
@@ -560,7 +560,7 @@ static int dwc3_qcom_pm_suspend(struct device *dev)
 	return ret;
 }
 
-static int dwc3_qcom_pm_resume(struct device *dev)
+static int __maybe_unused dwc3_qcom_pm_resume(struct device *dev)
 {
 	struct dwc3_qcom *qcom = dev_get_drvdata(dev);
 	int ret;
@@ -571,23 +571,20 @@ static int dwc3_qcom_pm_resume(struct device *dev)
 
 	return ret;
 }
-#endif
 
-#ifdef CONFIG_PM
-static int dwc3_qcom_runtime_suspend(struct device *dev)
+static int __maybe_unused dwc3_qcom_runtime_suspend(struct device *dev)
 {
 	struct dwc3_qcom *qcom = dev_get_drvdata(dev);
 
 	return dwc3_qcom_suspend(qcom);
 }
 
-static int dwc3_qcom_runtime_resume(struct device *dev)
+static int __maybe_unused dwc3_qcom_runtime_resume(struct device *dev)
 {
 	struct dwc3_qcom *qcom = dev_get_drvdata(dev);
 
 	return dwc3_qcom_resume(qcom);
 }
-#endif
 
 static const struct dev_pm_ops dwc3_qcom_dev_pm_ops = {
 	SET_SYSTEM_SLEEP_PM_OPS(dwc3_qcom_pm_suspend, dwc3_qcom_pm_resume)
diff --git a/drivers/usb/dwc3/ep0.c b/drivers/usb/dwc3/ep0.c
index c77ff50a88a2..8efde178eef4 100644
--- a/drivers/usb/dwc3/ep0.c
+++ b/drivers/usb/dwc3/ep0.c
@@ -973,15 +973,12 @@ static void __dwc3_ep0_do_control_data(struct dwc3 *dwc,
 		ret = dwc3_ep0_start_trans(dep);
 	} else if (IS_ALIGNED(req->request.length, dep->endpoint.maxpacket) &&
 		   req->request.length && req->request.zero) {
-		u32	maxpacket;
 
 		ret = usb_gadget_map_request_by_dev(dwc->sysdev,
 				&req->request, dep->number);
 		if (ret)
 			return;
 
-		maxpacket = dep->endpoint.maxpacket;
-
 		/* prepare normal TRB */
 		dwc3_ep0_prepare_one_trb(dep, req->request.dma,
 					 req->request.length,
diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c
index f242c2bcea81..b8a15840b4ff 100644
--- a/drivers/usb/gadget/composite.c
+++ b/drivers/usb/gadget/composite.c
@@ -1719,6 +1719,8 @@ composite_setup(struct usb_gadget *gadget, const struct usb_ctrlrequest *ctrl)
 		 */
 		if (w_value && !f->get_alt)
 			break;
+
+		spin_lock(&cdev->lock);
 		value = f->set_alt(f, w_index, w_value);
 		if (value == USB_GADGET_DELAYED_STATUS) {
 			DBG(cdev,
@@ -1728,6 +1730,7 @@ composite_setup(struct usb_gadget *gadget, const struct usb_ctrlrequest *ctrl)
 			DBG(cdev, "delayed_status count %d\n",
 					cdev->delayed_status);
 		}
+		spin_unlock(&cdev->lock);
 		break;
 	case USB_REQ_GET_INTERFACE:
 		if (ctrl->bRequestType != (USB_DIR_IN|USB_RECIP_INTERFACE))
@@ -1816,7 +1819,6 @@ unknown:
 		if (cdev->use_os_string && cdev->os_desc_config &&
 		    (ctrl->bRequestType & USB_TYPE_VENDOR) &&
 		    ctrl->bRequest == cdev->b_vendor_code) {
-			struct usb_request		*req;
 			struct usb_configuration	*os_desc_cfg;
 			u8				*buf;
 			int				interface;
diff --git a/drivers/usb/gadget/function/f_fs.c b/drivers/usb/gadget/function/f_fs.c
index dce9d12c7981..3ada83d81bda 100644
--- a/drivers/usb/gadget/function/f_fs.c
+++ b/drivers/usb/gadget/function/f_fs.c
@@ -215,6 +215,7 @@ struct ffs_io_data {
 
 	struct mm_struct *mm;
 	struct work_struct work;
+	struct work_struct cancellation_work;
 
 	struct usb_ep *ep;
 	struct usb_request *req;
@@ -1072,22 +1073,31 @@ ffs_epfile_open(struct inode *inode, struct file *file)
 	return 0;
 }
 
+static void ffs_aio_cancel_worker(struct work_struct *work)
+{
+	struct ffs_io_data *io_data = container_of(work, struct ffs_io_data,
+						   cancellation_work);
+
+	ENTER();
+
+	usb_ep_dequeue(io_data->ep, io_data->req);
+}
+
 static int ffs_aio_cancel(struct kiocb *kiocb)
 {
 	struct ffs_io_data *io_data = kiocb->private;
-	struct ffs_epfile *epfile = kiocb->ki_filp->private_data;
+	struct ffs_data *ffs = io_data->ffs;
 	int value;
 
 	ENTER();
 
-	spin_lock_irq(&epfile->ffs->eps_lock);
-
-	if (likely(io_data && io_data->ep && io_data->req))
-		value = usb_ep_dequeue(io_data->ep, io_data->req);
-	else
+	if (likely(io_data && io_data->ep && io_data->req)) {
+		INIT_WORK(&io_data->cancellation_work, ffs_aio_cancel_worker);
+		queue_work(ffs->io_completion_wq, &io_data->cancellation_work);
+		value = -EINPROGRESS;
+	} else {
 		value = -EINVAL;
-
-	spin_unlock_irq(&epfile->ffs->eps_lock);
+	}
 
 	return value;
 }
@@ -3253,7 +3263,7 @@ static int ffs_func_setup(struct usb_function *f,
 	__ffs_event_add(ffs, FUNCTIONFS_SETUP);
 	spin_unlock_irqrestore(&ffs->ev.waitq.lock, flags);
 
-	return USB_GADGET_DELAYED_STATUS;
+	return creq->wLength == 0 ? USB_GADGET_DELAYED_STATUS : 0;
 }
 
 static bool ffs_func_req_match(struct usb_function *f,
diff --git a/drivers/usb/gadget/function/f_uac2.c b/drivers/usb/gadget/function/f_uac2.c
index d2dc1f00180b..d582921f7257 100644
--- a/drivers/usb/gadget/function/f_uac2.c
+++ b/drivers/usb/gadget/function/f_uac2.c
@@ -438,14 +438,14 @@ static struct usb_descriptor_header *hs_audio_desc[] = {
 };
 
 struct cntrl_cur_lay3 {
-	__u32	dCUR;
+	__le32	dCUR;
 };
 
 struct cntrl_range_lay3 {
-	__u16	wNumSubRanges;
-	__u32	dMIN;
-	__u32	dMAX;
-	__u32	dRES;
+	__le16	wNumSubRanges;
+	__le32	dMIN;
+	__le32	dMAX;
+	__le32	dRES;
 } __packed;
 
 static void set_ep_max_packet_size(const struct f_uac2_opts *uac2_opts,
@@ -559,13 +559,13 @@ afunc_bind(struct usb_configuration *cfg, struct usb_function *fn)
 	agdev->out_ep = usb_ep_autoconfig(gadget, &fs_epout_desc);
 	if (!agdev->out_ep) {
 		dev_err(dev, "%s:%d Error!\n", __func__, __LINE__);
-		return ret;
+		return -ENODEV;
 	}
 
 	agdev->in_ep = usb_ep_autoconfig(gadget, &fs_epin_desc);
 	if (!agdev->in_ep) {
 		dev_err(dev, "%s:%d Error!\n", __func__, __LINE__);
-		return ret;
+		return -ENODEV;
 	}
 
 	agdev->in_ep_maxpsize = max_t(u16,
@@ -703,9 +703,9 @@ in_rq_cur(struct usb_function *fn, const struct usb_ctrlrequest *cr)
 		memset(&c, 0, sizeof(struct cntrl_cur_lay3));
 
 		if (entity_id == USB_IN_CLK_ID)
-			c.dCUR = p_srate;
+			c.dCUR = cpu_to_le32(p_srate);
 		else if (entity_id == USB_OUT_CLK_ID)
-			c.dCUR = c_srate;
+			c.dCUR = cpu_to_le32(c_srate);
 
 		value = min_t(unsigned, w_length, sizeof c);
 		memcpy(req->buf, &c, value);
@@ -742,15 +742,15 @@ in_rq_range(struct usb_function *fn, const struct usb_ctrlrequest *cr)
 
 	if (control_selector == UAC2_CS_CONTROL_SAM_FREQ) {
 		if (entity_id == USB_IN_CLK_ID)
-			r.dMIN = p_srate;
+			r.dMIN = cpu_to_le32(p_srate);
 		else if (entity_id == USB_OUT_CLK_ID)
-			r.dMIN = c_srate;
+			r.dMIN = cpu_to_le32(c_srate);
 		else
 			return -EOPNOTSUPP;
 
 		r.dMAX = r.dMIN;
 		r.dRES = 0;
-		r.wNumSubRanges = 1;
+		r.wNumSubRanges = cpu_to_le16(1);
 
 		value = min_t(unsigned, w_length, sizeof r);
 		memcpy(req->buf, &r, value);
diff --git a/drivers/usb/gadget/function/u_audio.c b/drivers/usb/gadget/function/u_audio.c
index a72295c953bb..fb5ed97572e5 100644
--- a/drivers/usb/gadget/function/u_audio.c
+++ b/drivers/usb/gadget/function/u_audio.c
@@ -32,9 +32,6 @@ struct uac_req {
 struct uac_rtd_params {
 	struct snd_uac_chip *uac; /* parent chip */
 	bool ep_enabled; /* if the ep is enabled */
-	/* Size of the ring buffer */
-	size_t dma_bytes;
-	unsigned char *dma_area;
 
 	struct snd_pcm_substream *ss;
 
@@ -43,8 +40,6 @@ struct uac_rtd_params {
 
 	void *rbuf;
 
-	size_t period_size;
-
 	unsigned max_psize;	/* MaxPacketSize of endpoint */
 	struct uac_req *ureq;
 
@@ -84,12 +79,12 @@ static const struct snd_pcm_hardware uac_pcm_hardware = {
 static void u_audio_iso_complete(struct usb_ep *ep, struct usb_request *req)
 {
 	unsigned pending;
-	unsigned long flags;
+	unsigned long flags, flags2;
 	unsigned int hw_ptr;
-	bool update_alsa = false;
 	int status = req->status;
 	struct uac_req *ur = req->context;
 	struct snd_pcm_substream *substream;
+	struct snd_pcm_runtime *runtime;
 	struct uac_rtd_params *prm = ur->pp;
 	struct snd_uac_chip *uac = prm->uac;
 
@@ -111,6 +106,14 @@ static void u_audio_iso_complete(struct usb_ep *ep, struct usb_request *req)
 	if (!substream)
 		goto exit;
 
+	snd_pcm_stream_lock_irqsave(substream, flags2);
+
+	runtime = substream->runtime;
+	if (!runtime || !snd_pcm_running(substream)) {
+		snd_pcm_stream_unlock_irqrestore(substream, flags2);
+		goto exit;
+	}
+
 	spin_lock_irqsave(&prm->lock, flags);
 
 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
@@ -137,43 +140,46 @@ static void u_audio_iso_complete(struct usb_ep *ep, struct usb_request *req)
 		req->actual = req->length;
 	}
 
-	pending = prm->hw_ptr % prm->period_size;
-	pending += req->actual;
-	if (pending >= prm->period_size)
-		update_alsa = true;
-
 	hw_ptr = prm->hw_ptr;
-	prm->hw_ptr = (prm->hw_ptr + req->actual) % prm->dma_bytes;
 
 	spin_unlock_irqrestore(&prm->lock, flags);
 
 	/* Pack USB load in ALSA ring buffer */
-	pending = prm->dma_bytes - hw_ptr;
+	pending = runtime->dma_bytes - hw_ptr;
 
 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
 		if (unlikely(pending < req->actual)) {
-			memcpy(req->buf, prm->dma_area + hw_ptr, pending);
-			memcpy(req->buf + pending, prm->dma_area,
+			memcpy(req->buf, runtime->dma_area + hw_ptr, pending);
+			memcpy(req->buf + pending, runtime->dma_area,
 			       req->actual - pending);
 		} else {
-			memcpy(req->buf, prm->dma_area + hw_ptr, req->actual);
+			memcpy(req->buf, runtime->dma_area + hw_ptr,
+			       req->actual);
 		}
 	} else {
 		if (unlikely(pending < req->actual)) {
-			memcpy(prm->dma_area + hw_ptr, req->buf, pending);
-			memcpy(prm->dma_area, req->buf + pending,
+			memcpy(runtime->dma_area + hw_ptr, req->buf, pending);
+			memcpy(runtime->dma_area, req->buf + pending,
 			       req->actual - pending);
 		} else {
-			memcpy(prm->dma_area + hw_ptr, req->buf, req->actual);
+			memcpy(runtime->dma_area + hw_ptr, req->buf,
+			       req->actual);
 		}
 	}
 
+	spin_lock_irqsave(&prm->lock, flags);
+	/* update hw_ptr after data is copied to memory */
+	prm->hw_ptr = (hw_ptr + req->actual) % runtime->dma_bytes;
+	hw_ptr = prm->hw_ptr;
+	spin_unlock_irqrestore(&prm->lock, flags);
+	snd_pcm_stream_unlock_irqrestore(substream, flags2);
+
+	if ((hw_ptr % snd_pcm_lib_period_bytes(substream)) < req->actual)
+		snd_pcm_period_elapsed(substream);
+
 exit:
 	if (usb_ep_queue(ep, req, GFP_ATOMIC))
 		dev_err(uac->card->dev, "%d Error!\n", __LINE__);
-
-	if (update_alsa)
-		snd_pcm_period_elapsed(substream);
 }
 
 static int uac_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
@@ -236,40 +242,12 @@ static snd_pcm_uframes_t uac_pcm_pointer(struct snd_pcm_substream *substream)
 static int uac_pcm_hw_params(struct snd_pcm_substream *substream,
 			       struct snd_pcm_hw_params *hw_params)
 {
-	struct snd_uac_chip *uac = snd_pcm_substream_chip(substream);
-	struct uac_rtd_params *prm;
-	int err;
-
-	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
-		prm = &uac->p_prm;
-	else
-		prm = &uac->c_prm;
-
-	err = snd_pcm_lib_malloc_pages(substream,
+	return snd_pcm_lib_malloc_pages(substream,
 					params_buffer_bytes(hw_params));
-	if (err >= 0) {
-		prm->dma_bytes = substream->runtime->dma_bytes;
-		prm->dma_area = substream->runtime->dma_area;
-		prm->period_size = params_period_bytes(hw_params);
-	}
-
-	return err;
 }
 
 static int uac_pcm_hw_free(struct snd_pcm_substream *substream)
 {
-	struct snd_uac_chip *uac = snd_pcm_substream_chip(substream);
-	struct uac_rtd_params *prm;
-
-	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
-		prm = &uac->p_prm;
-	else
-		prm = &uac->c_prm;
-
-	prm->dma_area = NULL;
-	prm->dma_bytes = 0;
-	prm->period_size = 0;
-
 	return snd_pcm_lib_free_pages(substream);
 }
 
@@ -595,15 +573,15 @@ int g_audio_setup(struct g_audio *g_audio, const char *pcm_name,
 	if (err < 0)
 		goto snd_fail;
 
-	strcpy(pcm->name, pcm_name);
+	strlcpy(pcm->name, pcm_name, sizeof(pcm->name));
 	pcm->private_data = uac;
 	uac->pcm = pcm;
 
 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &uac_pcm_ops);
 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &uac_pcm_ops);
 
-	strcpy(card->driver, card_name);
-	strcpy(card->shortname, card_name);
+	strlcpy(card->driver, card_name, sizeof(card->driver));
+	strlcpy(card->shortname, card_name, sizeof(card->shortname));
 	sprintf(card->longname, "%s %i", card_name, card->dev->id);
 
 	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_CONTINUOUS,
diff --git a/drivers/usb/gadget/udc/aspeed-vhub/Kconfig b/drivers/usb/gadget/udc/aspeed-vhub/Kconfig
index f0cdf89b8503..83ba8a2eb6af 100644
--- a/drivers/usb/gadget/udc/aspeed-vhub/Kconfig
+++ b/drivers/usb/gadget/udc/aspeed-vhub/Kconfig
@@ -2,6 +2,7 @@
 config USB_ASPEED_VHUB
 	tristate "Aspeed vHub UDC driver"
 	depends on ARCH_ASPEED || COMPILE_TEST
+	depends on USB_LIBCOMPOSITE
 	help
 	  USB peripheral controller for the Aspeed AST2500 family
 	  SoCs supporting the "vHub" functionality and USB2.0
diff --git a/drivers/usb/gadget/udc/aspeed-vhub/ep0.c b/drivers/usb/gadget/udc/aspeed-vhub/ep0.c
index 20ffb03ff6ac..e2927fb083cf 100644
--- a/drivers/usb/gadget/udc/aspeed-vhub/ep0.c
+++ b/drivers/usb/gadget/udc/aspeed-vhub/ep0.c
@@ -108,6 +108,13 @@ void ast_vhub_ep0_handle_setup(struct ast_vhub_ep *ep)
 	/* Check our state, cancel pending requests if needed */
 	if (ep->ep0.state != ep0_state_token) {
 		EPDBG(ep, "wrong state\n");
+		ast_vhub_nuke(ep, -EIO);
+
+		/*
+		 * Accept the packet regardless, this seems to happen
+		 * when stalling a SETUP packet that has an OUT data
+		 * phase.
+		 */
 		ast_vhub_nuke(ep, 0);
 		goto stall;
 	}
@@ -212,6 +219,8 @@ static void ast_vhub_ep0_do_send(struct ast_vhub_ep *ep,
 	if (chunk && req->req.buf)
 		memcpy(ep->buf, req->req.buf + req->req.actual, chunk);
 
+	vhub_dma_workaround(ep->buf);
+
 	/* Remember chunk size and trigger send */
 	reg = VHUB_EP0_SET_TX_LEN(chunk);
 	writel(reg, ep->ep0.ctlstat);
@@ -224,7 +233,7 @@ static void ast_vhub_ep0_rx_prime(struct ast_vhub_ep *ep)
 	EPVDBG(ep, "rx prime\n");
 
 	/* Prime endpoint for receiving data */
-	writel(VHUB_EP0_RX_BUFF_RDY, ep->ep0.ctlstat + AST_VHUB_EP0_CTRL);
+	writel(VHUB_EP0_RX_BUFF_RDY, ep->ep0.ctlstat);
 }
 
 static void ast_vhub_ep0_do_receive(struct ast_vhub_ep *ep, struct ast_vhub_req *req,
diff --git a/drivers/usb/gadget/udc/aspeed-vhub/epn.c b/drivers/usb/gadget/udc/aspeed-vhub/epn.c
index 80c9feac5147..5939eb1e97f2 100644
--- a/drivers/usb/gadget/udc/aspeed-vhub/epn.c
+++ b/drivers/usb/gadget/udc/aspeed-vhub/epn.c
@@ -66,11 +66,16 @@ static void ast_vhub_epn_kick(struct ast_vhub_ep *ep, struct ast_vhub_req *req)
 	if (!req->req.dma) {
 
 		/* For IN transfers, copy data over first */
-		if (ep->epn.is_in)
+		if (ep->epn.is_in) {
 			memcpy(ep->buf, req->req.buf + act, chunk);
+			vhub_dma_workaround(ep->buf);
+		}
 		writel(ep->buf_dma, ep->epn.regs + AST_VHUB_EP_DESC_BASE);
-	} else
+	} else {
+		if (ep->epn.is_in)
+			vhub_dma_workaround(req->req.buf);
 		writel(req->req.dma + act, ep->epn.regs + AST_VHUB_EP_DESC_BASE);
+	}
 
 	/* Start DMA */
 	req->active = true;
@@ -161,6 +166,7 @@ static inline unsigned int ast_vhub_count_free_descs(struct ast_vhub_ep *ep)
 static void ast_vhub_epn_kick_desc(struct ast_vhub_ep *ep,
 				   struct ast_vhub_req *req)
 {
+	struct ast_vhub_desc *desc = NULL;
 	unsigned int act = req->act_count;
 	unsigned int len = req->req.length;
 	unsigned int chunk;
@@ -177,7 +183,6 @@ static void ast_vhub_epn_kick_desc(struct ast_vhub_ep *ep,
 
 	/* While we can create descriptors */
 	while (ast_vhub_count_free_descs(ep) && req->last_desc < 0) {
-		struct ast_vhub_desc *desc;
 		unsigned int d_num;
 
 		/* Grab next free descriptor */
@@ -227,6 +232,9 @@ static void ast_vhub_epn_kick_desc(struct ast_vhub_ep *ep,
 		req->act_count = act = act + chunk;
 	}
 
+	if (likely(desc))
+		vhub_dma_workaround(desc);
+
 	/* Tell HW about new descriptors */
 	writel(VHUB_EP_DMA_SET_CPU_WPTR(ep->epn.d_next),
 	       ep->epn.regs + AST_VHUB_EP_DESC_STATUS);
diff --git a/drivers/usb/gadget/udc/aspeed-vhub/vhub.h b/drivers/usb/gadget/udc/aspeed-vhub/vhub.h
index 2b040257bc1f..4ed03d33a5a9 100644
--- a/drivers/usb/gadget/udc/aspeed-vhub/vhub.h
+++ b/drivers/usb/gadget/udc/aspeed-vhub/vhub.h
@@ -462,6 +462,39 @@ enum std_req_rc {
 #define DDBG(d, fmt, ...)	do { } while(0)
 #endif
 
+static inline void vhub_dma_workaround(void *addr)
+{
+	/*
+	 * This works around a confirmed HW issue with the Aspeed chip.
+	 *
+	 * The core uses a different bus to memory than the AHB going to
+	 * the USB device controller. Due to the latter having a higher
+	 * priority than the core for arbitration on that bus, it's
+	 * possible for an MMIO to the device, followed by a DMA by the
+	 * device from memory to all be performed and services before
+	 * a previous store to memory gets completed.
+	 *
+	 * This the following scenario can happen:
+	 *
+	 *    - Driver writes to a DMA descriptor (Mbus)
+	 *    - Driver writes to the MMIO register to start the DMA (AHB)
+	 *    - The gadget sees the second write and sends a read of the
+	 *      descriptor to the memory controller (Mbus)
+	 *    - The gadget hits memory before the descriptor write
+	 *      causing it to read an obsolete value.
+	 *
+	 * Thankfully the problem is limited to the USB gadget device, other
+	 * masters in the SoC all have a lower priority than the core, thus
+	 * ensuring that the store by the core arrives first.
+	 *
+	 * The workaround consists of using a dummy read of the memory before
+	 * doing the MMIO writes. This will ensure that the previous writes
+	 * have been "pushed out".
+	 */
+	mb();
+	(void)__raw_readl((void __iomem *)addr);
+}
+
 /* core.c */
 void ast_vhub_done(struct ast_vhub_ep *ep, struct ast_vhub_req *req,
 		   int status);
diff --git a/drivers/usb/gadget/udc/r8a66597-udc.c b/drivers/usb/gadget/udc/r8a66597-udc.c
index a3ecce62662b..11e25a3f4f1f 100644
--- a/drivers/usb/gadget/udc/r8a66597-udc.c
+++ b/drivers/usb/gadget/udc/r8a66597-udc.c
@@ -832,11 +832,11 @@ static void init_controller(struct r8a66597 *r8a66597)
 
 		r8a66597_bset(r8a66597, XCKE, SYSCFG0);
 
-		msleep(3);
+		mdelay(3);
 
 		r8a66597_bset(r8a66597, PLLC, SYSCFG0);
 
-		msleep(1);
+		mdelay(1);
 
 		r8a66597_bset(r8a66597, SCKE, SYSCFG0);
 
@@ -1190,7 +1190,7 @@ __acquires(r8a66597->lock)
 	r8a66597->ep0_req->length = 2;
 	/* AV: what happens if we get called again before that gets through? */
 	spin_unlock(&r8a66597->lock);
-	r8a66597_queue(r8a66597->gadget.ep0, r8a66597->ep0_req, GFP_KERNEL);
+	r8a66597_queue(r8a66597->gadget.ep0, r8a66597->ep0_req, GFP_ATOMIC);
 	spin_lock(&r8a66597->lock);
 }
 
diff --git a/drivers/usb/host/xhci-dbgcap.c b/drivers/usb/host/xhci-dbgcap.c
index 1fbfd89d0a0f..387f124a8334 100644
--- a/drivers/usb/host/xhci-dbgcap.c
+++ b/drivers/usb/host/xhci-dbgcap.c
@@ -508,16 +508,18 @@ static int xhci_do_dbc_start(struct xhci_hcd *xhci)
 	return 0;
 }
 
-static void xhci_do_dbc_stop(struct xhci_hcd *xhci)
+static int xhci_do_dbc_stop(struct xhci_hcd *xhci)
 {
 	struct xhci_dbc		*dbc = xhci->dbc;
 
 	if (dbc->state == DS_DISABLED)
-		return;
+		return -1;
 
 	writel(0, &dbc->regs->control);
 	xhci_dbc_mem_cleanup(xhci);
 	dbc->state = DS_DISABLED;
+
+	return 0;
 }
 
 static int xhci_dbc_start(struct xhci_hcd *xhci)
@@ -544,6 +546,7 @@ static int xhci_dbc_start(struct xhci_hcd *xhci)
 
 static void xhci_dbc_stop(struct xhci_hcd *xhci)
 {
+	int ret;
 	unsigned long		flags;
 	struct xhci_dbc		*dbc = xhci->dbc;
 	struct dbc_port		*port = &dbc->port;
@@ -556,10 +559,11 @@ static void xhci_dbc_stop(struct xhci_hcd *xhci)
 		xhci_dbc_tty_unregister_device(xhci);
 
 	spin_lock_irqsave(&dbc->lock, flags);
-	xhci_do_dbc_stop(xhci);
+	ret = xhci_do_dbc_stop(xhci);
 	spin_unlock_irqrestore(&dbc->lock, flags);
 
-	pm_runtime_put_sync(xhci_to_hcd(xhci)->self.controller);
+	if (!ret)
+		pm_runtime_put_sync(xhci_to_hcd(xhci)->self.controller);
 }
 
 static void
diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c
index acbd3d7b8828..ef350c33dc4a 100644
--- a/drivers/usb/host/xhci-mem.c
+++ b/drivers/usb/host/xhci-mem.c
@@ -595,7 +595,7 @@ struct xhci_ring *xhci_stream_id_to_ring(
 	if (!ep->stream_info)
 		return NULL;
 
-	if (stream_id > ep->stream_info->num_streams)
+	if (stream_id >= ep->stream_info->num_streams)
 		return NULL;
 	return ep->stream_info->stream_rings[stream_id];
 }
@@ -886,12 +886,12 @@ void xhci_free_virt_device(struct xhci_hcd *xhci, int slot_id)
 
 	dev = xhci->devs[slot_id];
 
-	trace_xhci_free_virt_device(dev);
-
 	xhci->dcbaa->dev_context_ptrs[slot_id] = 0;
 	if (!dev)
 		return;
 
+	trace_xhci_free_virt_device(dev);
+
 	if (dev->tt_info)
 		old_active_eps = dev->tt_info->active_eps;
 
diff --git a/drivers/usb/host/xhci-tegra.c b/drivers/usb/host/xhci-tegra.c
index a8c1d073cba0..4b463e5202a4 100644
--- a/drivers/usb/host/xhci-tegra.c
+++ b/drivers/usb/host/xhci-tegra.c
@@ -481,7 +481,7 @@ static void tegra_xusb_mbox_handle(struct tegra_xusb *tegra,
 	unsigned long mask;
 	unsigned int port;
 	bool idle, enable;
-	int err;
+	int err = 0;
 
 	memset(&rsp, 0, sizeof(rsp));
 
@@ -1223,10 +1223,10 @@ disable_rpm:
 	pm_runtime_disable(&pdev->dev);
 	usb_put_hcd(tegra->hcd);
 disable_xusbc:
-	if (!&pdev->dev.pm_domain)
+	if (!pdev->dev.pm_domain)
 		tegra_powergate_power_off(TEGRA_POWERGATE_XUSBC);
 disable_xusba:
-	if (!&pdev->dev.pm_domain)
+	if (!pdev->dev.pm_domain)
 		tegra_powergate_power_off(TEGRA_POWERGATE_XUSBA);
 put_padctl:
 	tegra_xusb_padctl_put(tegra->padctl);
diff --git a/drivers/usb/host/xhci-trace.h b/drivers/usb/host/xhci-trace.h
index 410544ffe78f..88b427434bd8 100644
--- a/drivers/usb/host/xhci-trace.h
+++ b/drivers/usb/host/xhci-trace.h
@@ -171,6 +171,37 @@ DEFINE_EVENT(xhci_log_trb, xhci_dbc_gadget_ep_queue,
 	TP_ARGS(ring, trb)
 );
 
+DECLARE_EVENT_CLASS(xhci_log_free_virt_dev,
+	TP_PROTO(struct xhci_virt_device *vdev),
+	TP_ARGS(vdev),
+	TP_STRUCT__entry(
+		__field(void *, vdev)
+		__field(unsigned long long, out_ctx)
+		__field(unsigned long long, in_ctx)
+		__field(u8, fake_port)
+		__field(u8, real_port)
+		__field(u16, current_mel)
+
+	),
+	TP_fast_assign(
+		__entry->vdev = vdev;
+		__entry->in_ctx = (unsigned long long) vdev->in_ctx->dma;
+		__entry->out_ctx = (unsigned long long) vdev->out_ctx->dma;
+		__entry->fake_port = (u8) vdev->fake_port;
+		__entry->real_port = (u8) vdev->real_port;
+		__entry->current_mel = (u16) vdev->current_mel;
+		),
+	TP_printk("vdev %p ctx %llx | %llx fake_port %d real_port %d current_mel %d",
+		__entry->vdev, __entry->in_ctx, __entry->out_ctx,
+		__entry->fake_port, __entry->real_port, __entry->current_mel
+	)
+);
+
+DEFINE_EVENT(xhci_log_free_virt_dev, xhci_free_virt_device,
+	TP_PROTO(struct xhci_virt_device *vdev),
+	TP_ARGS(vdev)
+);
+
 DECLARE_EVENT_CLASS(xhci_log_virt_dev,
 	TP_PROTO(struct xhci_virt_device *vdev),
 	TP_ARGS(vdev),
@@ -208,11 +239,6 @@ DEFINE_EVENT(xhci_log_virt_dev, xhci_alloc_virt_device,
 	TP_ARGS(vdev)
 );
 
-DEFINE_EVENT(xhci_log_virt_dev, xhci_free_virt_device,
-	TP_PROTO(struct xhci_virt_device *vdev),
-	TP_ARGS(vdev)
-);
-
 DEFINE_EVENT(xhci_log_virt_dev, xhci_setup_device,
 	TP_PROTO(struct xhci_virt_device *vdev),
 	TP_ARGS(vdev)
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index 8c8da2d657fa..68e6132aa8b2 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -908,6 +908,41 @@ static void xhci_disable_port_wake_on_bits(struct xhci_hcd *xhci)
 	spin_unlock_irqrestore(&xhci->lock, flags);
 }
 
+static bool xhci_pending_portevent(struct xhci_hcd *xhci)
+{
+	struct xhci_port	**ports;
+	int			port_index;
+	u32			status;
+	u32			portsc;
+
+	status = readl(&xhci->op_regs->status);
+	if (status & STS_EINT)
+		return true;
+	/*
+	 * Checking STS_EINT is not enough as there is a lag between a change
+	 * bit being set and the Port Status Change Event that it generated
+	 * being written to the Event Ring. See note in xhci 1.1 section 4.19.2.
+	 */
+
+	port_index = xhci->usb2_rhub.num_ports;
+	ports = xhci->usb2_rhub.ports;
+	while (port_index--) {
+		portsc = readl(ports[port_index]->addr);
+		if (portsc & PORT_CHANGE_MASK ||
+		    (portsc & PORT_PLS_MASK) == XDEV_RESUME)
+			return true;
+	}
+	port_index = xhci->usb3_rhub.num_ports;
+	ports = xhci->usb3_rhub.ports;
+	while (port_index--) {
+		portsc = readl(ports[port_index]->addr);
+		if (portsc & PORT_CHANGE_MASK ||
+		    (portsc & PORT_PLS_MASK) == XDEV_RESUME)
+			return true;
+	}
+	return false;
+}
+
 /*
  * Stop HC (not bus-specific)
  *
@@ -1009,7 +1044,7 @@ EXPORT_SYMBOL_GPL(xhci_suspend);
  */
 int xhci_resume(struct xhci_hcd *xhci, bool hibernated)
 {
-	u32			command, temp = 0, status;
+	u32			command, temp = 0;
 	struct usb_hcd		*hcd = xhci_to_hcd(xhci);
 	struct usb_hcd		*secondary_hcd;
 	int			retval = 0;
@@ -1043,8 +1078,13 @@ int xhci_resume(struct xhci_hcd *xhci, bool hibernated)
 		command = readl(&xhci->op_regs->command);
 		command |= CMD_CRS;
 		writel(command, &xhci->op_regs->command);
+		/*
+		 * Some controllers take up to 55+ ms to complete the controller
+		 * restore so setting the timeout to 100ms. Xhci specification
+		 * doesn't mention any timeout value.
+		 */
 		if (xhci_handshake(&xhci->op_regs->status,
-			      STS_RESTORE, 0, 10 * 1000)) {
+			      STS_RESTORE, 0, 100 * 1000)) {
 			xhci_warn(xhci, "WARN: xHC restore state timeout\n");
 			spin_unlock_irq(&xhci->lock);
 			return -ETIMEDOUT;
@@ -1134,8 +1174,7 @@ int xhci_resume(struct xhci_hcd *xhci, bool hibernated)
  done:
 	if (retval == 0) {
 		/* Resume root hubs only when have pending events. */
-		status = readl(&xhci->op_regs->status);
-		if (status & STS_EINT) {
+		if (xhci_pending_portevent(xhci)) {
 			usb_hcd_resume_root_hub(xhci->shared_hcd);
 			usb_hcd_resume_root_hub(hcd);
 		}
@@ -3012,6 +3051,7 @@ static void xhci_endpoint_reset(struct usb_hcd *hcd,
 	if (!list_empty(&ep->ring->td_list)) {
 		dev_err(&udev->dev, "EP not empty, refuse reset\n");
 		spin_unlock_irqrestore(&xhci->lock, flags);
+		xhci_free_command(xhci, cfg_cmd);
 		goto cleanup;
 	}
 	xhci_queue_stop_endpoint(xhci, stop_cmd, udev->slot_id, ep_index, 0);
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h
index 939e2f86b595..841e89ffe2e9 100644
--- a/drivers/usb/host/xhci.h
+++ b/drivers/usb/host/xhci.h
@@ -382,6 +382,10 @@ struct xhci_op_regs {
 #define PORT_PLC	(1 << 22)
 /* port configure error change - port failed to configure its link partner */
 #define PORT_CEC	(1 << 23)
+#define PORT_CHANGE_MASK	(PORT_CSC | PORT_PEC | PORT_WRC | PORT_OCC | \
+				 PORT_RC | PORT_PLC | PORT_CEC)
+
+
 /* Cold Attach Status - xHC can set this bit to report device attached during
  * Sx state. Warm port reset should be perfomed to clear this bit and move port
  * to connected state.
diff --git a/drivers/usb/misc/yurex.c b/drivers/usb/misc/yurex.c
index 8abb6cbbd98a..3be40eaa1ac9 100644
--- a/drivers/usb/misc/yurex.c
+++ b/drivers/usb/misc/yurex.c
@@ -396,8 +396,7 @@ static ssize_t yurex_read(struct file *file, char __user *buffer, size_t count,
 			  loff_t *ppos)
 {
 	struct usb_yurex *dev;
-	int retval = 0;
-	int bytes_read = 0;
+	int len = 0;
 	char in_buffer[20];
 	unsigned long flags;
 
@@ -405,26 +404,16 @@ static ssize_t yurex_read(struct file *file, char __user *buffer, size_t count,
 
 	mutex_lock(&dev->io_mutex);
 	if (!dev->interface) {		/* already disconnected */
-		retval = -ENODEV;
-		goto exit;
+		mutex_unlock(&dev->io_mutex);
+		return -ENODEV;
 	}
 
 	spin_lock_irqsave(&dev->lock, flags);
-	bytes_read = snprintf(in_buffer, 20, "%lld\n", dev->bbu);
+	len = snprintf(in_buffer, 20, "%lld\n", dev->bbu);
 	spin_unlock_irqrestore(&dev->lock, flags);
-
-	if (*ppos < bytes_read) {
-		if (copy_to_user(buffer, in_buffer + *ppos, bytes_read - *ppos))
-			retval = -EFAULT;
-		else {
-			retval = bytes_read - *ppos;
-			*ppos += bytes_read;
-		}
-	}
-
-exit:
 	mutex_unlock(&dev->io_mutex);
-	return retval;
+
+	return simple_read_from_buffer(buffer, count, ppos, in_buffer, len);
 }
 
 static ssize_t yurex_write(struct file *file, const char __user *user_buffer,
diff --git a/drivers/usb/phy/phy-fsl-usb.c b/drivers/usb/phy/phy-fsl-usb.c
index 900875f326d7..f7c96d209eda 100644
--- a/drivers/usb/phy/phy-fsl-usb.c
+++ b/drivers/usb/phy/phy-fsl-usb.c
@@ -861,6 +861,7 @@ int usb_otg_start(struct platform_device *pdev)
 	if (pdata->init && pdata->init(pdev) != 0)
 		return -EINVAL;
 
+#ifdef CONFIG_PPC32
 	if (pdata->big_endian_mmio) {
 		_fsl_readl = _fsl_readl_be;
 		_fsl_writel = _fsl_writel_be;
@@ -868,6 +869,7 @@ int usb_otg_start(struct platform_device *pdev)
 		_fsl_readl = _fsl_readl_le;
 		_fsl_writel = _fsl_writel_le;
 	}
+#endif
 
 	/* request irq */
 	p_otg->irq = platform_get_irq(pdev, 0);
@@ -958,7 +960,7 @@ int usb_otg_start(struct platform_device *pdev)
 /*
  * state file in sysfs
  */
-static int show_fsl_usb2_otg_state(struct device *dev,
+static ssize_t show_fsl_usb2_otg_state(struct device *dev,
 				   struct device_attribute *attr, char *buf)
 {
 	struct otg_fsm *fsm = &fsl_otg_dev->fsm;
diff --git a/drivers/usb/serial/ch341.c b/drivers/usb/serial/ch341.c
index bdd7a5ad3bf1..3bb1fff02bed 100644
--- a/drivers/usb/serial/ch341.c
+++ b/drivers/usb/serial/ch341.c
@@ -128,7 +128,7 @@ static int ch341_control_in(struct usb_device *dev,
 	r = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), request,
 			    USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
 			    value, index, buf, bufsize, DEFAULT_TIMEOUT);
-	if (r < bufsize) {
+	if (r < (int)bufsize) {
 		if (r >= 0) {
 			dev_err(&dev->dev,
 				"short control message received (%d < %u)\n",
diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c
index eb6c26cbe579..626a29d9aa58 100644
--- a/drivers/usb/serial/cp210x.c
+++ b/drivers/usb/serial/cp210x.c
@@ -95,6 +95,9 @@ static const struct usb_device_id id_table[] = {
 	{ USB_DEVICE(0x10C4, 0x8156) }, /* B&G H3000 link cable */
 	{ USB_DEVICE(0x10C4, 0x815E) }, /* Helicomm IP-Link 1220-DVM */
 	{ USB_DEVICE(0x10C4, 0x815F) }, /* Timewave HamLinkUSB */
+	{ USB_DEVICE(0x10C4, 0x817C) }, /* CESINEL MEDCAL N Power Quality Monitor */
+	{ USB_DEVICE(0x10C4, 0x817D) }, /* CESINEL MEDCAL NT Power Quality Monitor */
+	{ USB_DEVICE(0x10C4, 0x817E) }, /* CESINEL MEDCAL S Power Quality Monitor */
 	{ USB_DEVICE(0x10C4, 0x818B) }, /* AVIT Research USB to TTL */
 	{ USB_DEVICE(0x10C4, 0x819F) }, /* MJS USB Toslink Switcher */
 	{ USB_DEVICE(0x10C4, 0x81A6) }, /* ThinkOptics WavIt */
@@ -112,6 +115,9 @@ static const struct usb_device_id id_table[] = {
 	{ USB_DEVICE(0x10C4, 0x826B) }, /* Cygnal Integrated Products, Inc., Fasttrax GPS demonstration module */
 	{ USB_DEVICE(0x10C4, 0x8281) }, /* Nanotec Plug & Drive */
 	{ USB_DEVICE(0x10C4, 0x8293) }, /* Telegesis ETRX2USB */
+	{ USB_DEVICE(0x10C4, 0x82EF) }, /* CESINEL FALCO 6105 AC Power Supply */
+	{ USB_DEVICE(0x10C4, 0x82F1) }, /* CESINEL MEDCAL EFD Earth Fault Detector */
+	{ USB_DEVICE(0x10C4, 0x82F2) }, /* CESINEL MEDCAL ST Network Analyzer */
 	{ USB_DEVICE(0x10C4, 0x82F4) }, /* Starizona MicroTouch */
 	{ USB_DEVICE(0x10C4, 0x82F9) }, /* Procyon AVS */
 	{ USB_DEVICE(0x10C4, 0x8341) }, /* Siemens MC35PU GPRS Modem */
@@ -124,7 +130,9 @@ static const struct usb_device_id id_table[] = {
 	{ USB_DEVICE(0x10C4, 0x8470) }, /* Juniper Networks BX Series System Console */
 	{ USB_DEVICE(0x10C4, 0x8477) }, /* Balluff RFID */
 	{ USB_DEVICE(0x10C4, 0x84B6) }, /* Starizona Hyperion */
+	{ USB_DEVICE(0x10C4, 0x851E) }, /* CESINEL MEDCAL PT Network Analyzer */
 	{ USB_DEVICE(0x10C4, 0x85A7) }, /* LifeScan OneTouch Verio IQ */
+	{ USB_DEVICE(0x10C4, 0x85B8) }, /* CESINEL ReCon T Energy Logger */
 	{ USB_DEVICE(0x10C4, 0x85EA) }, /* AC-Services IBUS-IF */
 	{ USB_DEVICE(0x10C4, 0x85EB) }, /* AC-Services CIS-IBUS */
 	{ USB_DEVICE(0x10C4, 0x85F8) }, /* Virtenio Preon32 */
@@ -134,17 +142,24 @@ static const struct usb_device_id id_table[] = {
 	{ USB_DEVICE(0x10C4, 0x8857) },	/* CEL EM357 ZigBee USB Stick */
 	{ USB_DEVICE(0x10C4, 0x88A4) }, /* MMB Networks ZigBee USB Device */
 	{ USB_DEVICE(0x10C4, 0x88A5) }, /* Planet Innovation Ingeni ZigBee USB Device */
+	{ USB_DEVICE(0x10C4, 0x88FB) }, /* CESINEL MEDCAL STII Network Analyzer */
+	{ USB_DEVICE(0x10C4, 0x8938) }, /* CESINEL MEDCAL S II Network Analyzer */
 	{ USB_DEVICE(0x10C4, 0x8946) }, /* Ketra N1 Wireless Interface */
 	{ USB_DEVICE(0x10C4, 0x8962) }, /* Brim Brothers charging dock */
 	{ USB_DEVICE(0x10C4, 0x8977) },	/* CEL MeshWorks DevKit Device */
 	{ USB_DEVICE(0x10C4, 0x8998) }, /* KCF Technologies PRN */
+	{ USB_DEVICE(0x10C4, 0x89A4) }, /* CESINEL FTBC Flexible Thyristor Bridge Controller */
+	{ USB_DEVICE(0x10C4, 0x89FB) }, /* Qivicon ZigBee USB Radio Stick */
 	{ USB_DEVICE(0x10C4, 0x8A2A) }, /* HubZ dual ZigBee and Z-Wave dongle */
 	{ USB_DEVICE(0x10C4, 0x8A5E) }, /* CEL EM3588 ZigBee USB Stick Long Range */
 	{ USB_DEVICE(0x10C4, 0x8B34) }, /* Qivicon ZigBee USB Radio Stick */
 	{ USB_DEVICE(0x10C4, 0xEA60) }, /* Silicon Labs factory default */
 	{ USB_DEVICE(0x10C4, 0xEA61) }, /* Silicon Labs factory default */
+	{ USB_DEVICE(0x10C4, 0xEA63) }, /* Silicon Labs Windows Update (CP2101-4/CP2102N) */
 	{ USB_DEVICE(0x10C4, 0xEA70) }, /* Silicon Labs factory default */
 	{ USB_DEVICE(0x10C4, 0xEA71) }, /* Infinity GPS-MIC-1 Radio Monophone */
+	{ USB_DEVICE(0x10C4, 0xEA7A) }, /* Silicon Labs Windows Update (CP2105) */
+	{ USB_DEVICE(0x10C4, 0xEA7B) }, /* Silicon Labs Windows Update (CP2108) */
 	{ USB_DEVICE(0x10C4, 0xF001) }, /* Elan Digital Systems USBscope50 */
 	{ USB_DEVICE(0x10C4, 0xF002) }, /* Elan Digital Systems USBwave12 */
 	{ USB_DEVICE(0x10C4, 0xF003) }, /* Elan Digital Systems USBpulse100 */
diff --git a/drivers/usb/serial/keyspan_pda.c b/drivers/usb/serial/keyspan_pda.c
index 5169624d8b11..38d43c4b7ce5 100644
--- a/drivers/usb/serial/keyspan_pda.c
+++ b/drivers/usb/serial/keyspan_pda.c
@@ -369,8 +369,10 @@ static int keyspan_pda_get_modem_info(struct usb_serial *serial,
 			     3, /* get pins */
 			     USB_TYPE_VENDOR|USB_RECIP_INTERFACE|USB_DIR_IN,
 			     0, 0, data, 1, 2000);
-	if (rc >= 0)
+	if (rc == 1)
 		*value = *data;
+	else if (rc >= 0)
+		rc = -EIO;
 
 	kfree(data);
 	return rc;
diff --git a/drivers/usb/serial/mos7840.c b/drivers/usb/serial/mos7840.c
index fdceb46d9fc6..b580b4c7fa48 100644
--- a/drivers/usb/serial/mos7840.c
+++ b/drivers/usb/serial/mos7840.c
@@ -468,6 +468,9 @@ static void mos7840_control_callback(struct urb *urb)
 	}
 
 	dev_dbg(dev, "%s urb buffer size is %d\n", __func__, urb->actual_length);
+	if (urb->actual_length < 1)
+		goto out;
+
 	dev_dbg(dev, "%s mos7840_port->MsrLsr is %d port %d\n", __func__,
 		mos7840_port->MsrLsr, mos7840_port->port_num);
 	data = urb->transfer_buffer;
diff --git a/drivers/usb/typec/tcpm.c b/drivers/usb/typec/tcpm.c
index 8a201dd53d36..d1d20252bad8 100644
--- a/drivers/usb/typec/tcpm.c
+++ b/drivers/usb/typec/tcpm.c
@@ -418,17 +418,18 @@ static void _tcpm_log(struct tcpm_port *port, const char *fmt, va_list args)
 	u64 ts_nsec = local_clock();
 	unsigned long rem_nsec;
 
+	mutex_lock(&port->logbuffer_lock);
 	if (!port->logbuffer[port->logbuffer_head]) {
 		port->logbuffer[port->logbuffer_head] =
 				kzalloc(LOG_BUFFER_ENTRY_SIZE, GFP_KERNEL);
-		if (!port->logbuffer[port->logbuffer_head])
+		if (!port->logbuffer[port->logbuffer_head]) {
+			mutex_unlock(&port->logbuffer_lock);
 			return;
+		}
 	}
 
 	vsnprintf(tmpbuffer, sizeof(tmpbuffer), fmt, args);
 
-	mutex_lock(&port->logbuffer_lock);
-
 	if (tcpm_log_full(port)) {
 		port->logbuffer_head = max(port->logbuffer_head - 1, 0);
 		strcpy(tmpbuffer, "overflow");
@@ -724,6 +725,9 @@ static int tcpm_set_current_limit(struct tcpm_port *port, u32 max_ma, u32 mv)
 
 	tcpm_log(port, "Setting voltage/current limit %u mV %u mA", mv, max_ma);
 
+	port->supply_voltage = mv;
+	port->current_limit = max_ma;
+
 	if (port->tcpc->set_current_limit)
 		ret = port->tcpc->set_current_limit(port->tcpc, max_ma, mv);
 
@@ -2136,7 +2140,7 @@ static unsigned int tcpm_pd_select_pps_apdo(struct tcpm_port *port)
 			 * PPS APDO. Again skip the first sink PDO as this will
 			 * always be 5V 3A.
 			 */
-			for (j = i; j < port->nr_snk_pdo; j++) {
+			for (j = 1; j < port->nr_snk_pdo; j++) {
 				pdo = port->snk_pdo[j];
 
 				switch (pdo_type(pdo)) {
@@ -2594,8 +2598,6 @@ static void tcpm_reset_port(struct tcpm_port *port)
 	tcpm_set_attached_state(port, false);
 	port->try_src_count = 0;
 	port->try_snk_count = 0;
-	port->supply_voltage = 0;
-	port->current_limit = 0;
 	port->usb_type = POWER_SUPPLY_USB_TYPE_C;
 
 	power_supply_changed(port->psy);
@@ -3043,7 +3045,8 @@ static void run_state_machine(struct tcpm_port *port)
 		    tcpm_port_is_sink(port) &&
 		    time_is_after_jiffies(port->delayed_runtime)) {
 			tcpm_set_state(port, SNK_DISCOVERY,
-				       port->delayed_runtime - jiffies);
+				       jiffies_to_msecs(port->delayed_runtime -
+							jiffies));
 			break;
 		}
 		tcpm_set_state(port, unattached_state(port), 0);
diff --git a/drivers/usb/typec/ucsi/ucsi.c b/drivers/usb/typec/ucsi/ucsi.c
index bd5cca5632b3..8d0a6fe748bd 100644
--- a/drivers/usb/typec/ucsi/ucsi.c
+++ b/drivers/usb/typec/ucsi/ucsi.c
@@ -350,6 +350,19 @@ static void ucsi_connector_change(struct work_struct *work)
 	}
 
 	if (con->status.change & UCSI_CONSTAT_CONNECT_CHANGE) {
+		typec_set_pwr_role(con->port, con->status.pwr_dir);
+
+		switch (con->status.partner_type) {
+		case UCSI_CONSTAT_PARTNER_TYPE_UFP:
+			typec_set_data_role(con->port, TYPEC_HOST);
+			break;
+		case UCSI_CONSTAT_PARTNER_TYPE_DFP:
+			typec_set_data_role(con->port, TYPEC_DEVICE);
+			break;
+		default:
+			break;
+		}
+
 		if (con->status.connected)
 			ucsi_register_partner(con);
 		else
diff --git a/drivers/usb/typec/ucsi/ucsi_acpi.c b/drivers/usb/typec/ucsi/ucsi_acpi.c
index 44eb4e1ea817..a18112a83fae 100644
--- a/drivers/usb/typec/ucsi/ucsi_acpi.c
+++ b/drivers/usb/typec/ucsi/ucsi_acpi.c
@@ -79,6 +79,11 @@ static int ucsi_acpi_probe(struct platform_device *pdev)
 		return -ENODEV;
 	}
 
+	/* This will make sure we can use ioremap_nocache() */
+	status = acpi_release_memory(ACPI_HANDLE(&pdev->dev), res, 1);
+	if (ACPI_FAILURE(status))
+		return -ENOMEM;
+
 	/*
 	 * NOTE: The memory region for the data structures is used also in an
 	 * operation region, which means ACPI has already reserved it. Therefore
diff --git a/drivers/vfio/pci/Kconfig b/drivers/vfio/pci/Kconfig
index 24ee2605b9f0..42dc1d3d71cf 100644
--- a/drivers/vfio/pci/Kconfig
+++ b/drivers/vfio/pci/Kconfig
@@ -28,5 +28,13 @@ config VFIO_PCI_INTX
 	def_bool y if !S390
 
 config VFIO_PCI_IGD
-	depends on VFIO_PCI
-	def_bool y if X86
+	bool "VFIO PCI extensions for Intel graphics (GVT-d)"
+	depends on VFIO_PCI && X86
+	default y
+	help
+	  Support for Intel IGD specific extensions to enable direct
+	  assignment to virtual machines.  This includes exposing an IGD
+	  specific firmware table and read-only copies of the host bridge
+	  and LPC bridge config space.
+
+	  To enable Intel IGD assignment through vfio-pci, say Y.
diff --git a/drivers/vfio/pci/vfio_pci.c b/drivers/vfio/pci/vfio_pci.c
index b423a309a6e0..125b58eff936 100644
--- a/drivers/vfio/pci/vfio_pci.c
+++ b/drivers/vfio/pci/vfio_pci.c
@@ -28,6 +28,7 @@
 #include <linux/uaccess.h>
 #include <linux/vfio.h>
 #include <linux/vgaarb.h>
+#include <linux/nospec.h>
 
 #include "vfio_pci_private.h"
 
@@ -727,6 +728,9 @@ static long vfio_pci_ioctl(void *device_data,
 			if (info.index >=
 			    VFIO_PCI_NUM_REGIONS + vdev->num_regions)
 				return -EINVAL;
+			info.index = array_index_nospec(info.index,
+							VFIO_PCI_NUM_REGIONS +
+							vdev->num_regions);
 
 			i = info.index - VFIO_PCI_NUM_REGIONS;
 
diff --git a/drivers/vfio/vfio_iommu_spapr_tce.c b/drivers/vfio/vfio_iommu_spapr_tce.c
index 759a5bdd40e1..7cd63b0c1a46 100644
--- a/drivers/vfio/vfio_iommu_spapr_tce.c
+++ b/drivers/vfio/vfio_iommu_spapr_tce.c
@@ -457,17 +457,17 @@ static void tce_iommu_unuse_page(struct tce_container *container,
 }
 
 static int tce_iommu_prereg_ua_to_hpa(struct tce_container *container,
-		unsigned long tce, unsigned long size,
+		unsigned long tce, unsigned long shift,
 		unsigned long *phpa, struct mm_iommu_table_group_mem_t **pmem)
 {
 	long ret = 0;
 	struct mm_iommu_table_group_mem_t *mem;
 
-	mem = mm_iommu_lookup(container->mm, tce, size);
+	mem = mm_iommu_lookup(container->mm, tce, 1ULL << shift);
 	if (!mem)
 		return -EINVAL;
 
-	ret = mm_iommu_ua_to_hpa(mem, tce, phpa);
+	ret = mm_iommu_ua_to_hpa(mem, tce, shift, phpa);
 	if (ret)
 		return -EINVAL;
 
@@ -487,7 +487,7 @@ static void tce_iommu_unuse_page_v2(struct tce_container *container,
 	if (!pua)
 		return;
 
-	ret = tce_iommu_prereg_ua_to_hpa(container, *pua, IOMMU_PAGE_SIZE(tbl),
+	ret = tce_iommu_prereg_ua_to_hpa(container, *pua, tbl->it_page_shift,
 			&hpa, &mem);
 	if (ret)
 		pr_debug("%s: tce %lx at #%lx was not cached, ret=%d\n",
@@ -611,7 +611,7 @@ static long tce_iommu_build_v2(struct tce_container *container,
 				entry + i);
 
 		ret = tce_iommu_prereg_ua_to_hpa(container,
-				tce, IOMMU_PAGE_SIZE(tbl), &hpa, &mem);
+				tce, tbl->it_page_shift, &hpa, &mem);
 		if (ret)
 			break;
 
diff --git a/drivers/vfio/vfio_iommu_type1.c b/drivers/vfio/vfio_iommu_type1.c
index 2c75b33db4ac..3e5b17710a4f 100644
--- a/drivers/vfio/vfio_iommu_type1.c
+++ b/drivers/vfio/vfio_iommu_type1.c
@@ -343,18 +343,16 @@ static int vaddr_get_pfn(struct mm_struct *mm, unsigned long vaddr,
 	struct page *page[1];
 	struct vm_area_struct *vma;
 	struct vm_area_struct *vmas[1];
+	unsigned int flags = 0;
 	int ret;
 
+	if (prot & IOMMU_WRITE)
+		flags |= FOLL_WRITE;
+
+	down_read(&mm->mmap_sem);
 	if (mm == current->mm) {
-		ret = get_user_pages_longterm(vaddr, 1, !!(prot & IOMMU_WRITE),
-					      page, vmas);
+		ret = get_user_pages_longterm(vaddr, 1, flags, page, vmas);
 	} else {
-		unsigned int flags = 0;
-
-		if (prot & IOMMU_WRITE)
-			flags |= FOLL_WRITE;
-
-		down_read(&mm->mmap_sem);
 		ret = get_user_pages_remote(NULL, mm, vaddr, 1, flags, page,
 					    vmas, NULL);
 		/*
@@ -368,8 +366,8 @@ static int vaddr_get_pfn(struct mm_struct *mm, unsigned long vaddr,
 			ret = -EOPNOTSUPP;
 			put_page(page[0]);
 		}
-		up_read(&mm->mmap_sem);
 	}
+	up_read(&mm->mmap_sem);
 
 	if (ret == 1) {
 		*pfn = page_to_pfn(page[0]);
diff --git a/drivers/vhost/net.c b/drivers/vhost/net.c
index 686dc670fd29..29756d88799b 100644
--- a/drivers/vhost/net.c
+++ b/drivers/vhost/net.c
@@ -1226,7 +1226,8 @@ err_used:
 	if (ubufs)
 		vhost_net_ubuf_put_wait_and_free(ubufs);
 err_ubufs:
-	sockfd_put(sock);
+	if (sock)
+		sockfd_put(sock);
 err_vq:
 	mutex_unlock(&vq->mutex);
 err:
diff --git a/drivers/xen/Makefile b/drivers/xen/Makefile
index 451e833f5931..48b154276179 100644
--- a/drivers/xen/Makefile
+++ b/drivers/xen/Makefile
@@ -41,4 +41,4 @@ obj-$(CONFIG_XEN_PVCALLS_FRONTEND)	+= pvcalls-front.o
 xen-evtchn-y				:= evtchn.o
 xen-gntdev-y				:= gntdev.o
 xen-gntalloc-y				:= gntalloc.o
-xen-privcmd-y				:= privcmd.o
+xen-privcmd-y				:= privcmd.o privcmd-buf.o
diff --git a/drivers/xen/events/events_base.c b/drivers/xen/events/events_base.c
index 762378f1811c..08e4af04d6f2 100644
--- a/drivers/xen/events/events_base.c
+++ b/drivers/xen/events/events_base.c
@@ -628,8 +628,6 @@ static void __unbind_from_irq(unsigned int irq)
 		xen_irq_info_cleanup(info);
 	}
 
-	BUG_ON(info_for_irq(irq)->type == IRQT_UNBOUND);
-
 	xen_free_irq(irq);
 }
 
diff --git a/drivers/xen/grant-table.c b/drivers/xen/grant-table.c
index 2473b0a9e6e4..ba9f3eec2bd0 100644
--- a/drivers/xen/grant-table.c
+++ b/drivers/xen/grant-table.c
@@ -799,7 +799,7 @@ int gnttab_alloc_pages(int nr_pages, struct page **pages)
 
 	return 0;
 }
-EXPORT_SYMBOL(gnttab_alloc_pages);
+EXPORT_SYMBOL_GPL(gnttab_alloc_pages);
 
 /**
  * gnttab_free_pages - free pages allocated by gnttab_alloc_pages()
@@ -820,7 +820,7 @@ void gnttab_free_pages(int nr_pages, struct page **pages)
 	}
 	free_xenballooned_pages(nr_pages, pages);
 }
-EXPORT_SYMBOL(gnttab_free_pages);
+EXPORT_SYMBOL_GPL(gnttab_free_pages);
 
 /* Handling of paged out grant targets (GNTST_eagain) */
 #define MAX_DELAY 256
diff --git a/drivers/xen/manage.c b/drivers/xen/manage.c
index 8835065029d3..c93d8ef8df34 100644
--- a/drivers/xen/manage.c
+++ b/drivers/xen/manage.c
@@ -289,8 +289,15 @@ static void sysrq_handler(struct xenbus_watch *watch, const char *path,
 		return;
 	}
 
-	if (sysrq_key != '\0')
-		xenbus_printf(xbt, "control", "sysrq", "%c", '\0');
+	if (sysrq_key != '\0') {
+		err = xenbus_printf(xbt, "control", "sysrq", "%c", '\0');
+		if (err) {
+			pr_err("%s: Error %d writing sysrq in control/sysrq\n",
+			       __func__, err);
+			xenbus_transaction_end(xbt, 1);
+			return;
+		}
+	}
 
 	err = xenbus_transaction_end(xbt, 0);
 	if (err == -EAGAIN)
@@ -342,7 +349,12 @@ static int setup_shutdown_watcher(void)
 			continue;
 		snprintf(node, FEATURE_PATH_SIZE, "feature-%s",
 			 shutdown_handlers[idx].command);
-		xenbus_printf(XBT_NIL, "control", node, "%u", 1);
+		err = xenbus_printf(XBT_NIL, "control", node, "%u", 1);
+		if (err) {
+			pr_err("%s: Error %d writing %s\n", __func__,
+				err, node);
+			return err;
+		}
 	}
 
 	return 0;
diff --git a/drivers/xen/privcmd-buf.c b/drivers/xen/privcmd-buf.c
new file mode 100644
index 000000000000..df1ed37c3269
--- /dev/null
+++ b/drivers/xen/privcmd-buf.c
@@ -0,0 +1,210 @@
+// SPDX-License-Identifier: GPL-2.0 OR MIT
+
+/******************************************************************************
+ * privcmd-buf.c
+ *
+ * Mmap of hypercall buffers.
+ *
+ * Copyright (c) 2018 Juergen Gross
+ */
+
+#define pr_fmt(fmt) "xen:" KBUILD_MODNAME ": " fmt
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/list.h>
+#include <linux/miscdevice.h>
+#include <linux/mm.h>
+#include <linux/slab.h>
+
+#include "privcmd.h"
+
+MODULE_LICENSE("GPL");
+
+static unsigned int limit = 64;
+module_param(limit, uint, 0644);
+MODULE_PARM_DESC(limit, "Maximum number of pages that may be allocated by "
+			"the privcmd-buf device per open file");
+
+struct privcmd_buf_private {
+	struct mutex lock;
+	struct list_head list;
+	unsigned int allocated;
+};
+
+struct privcmd_buf_vma_private {
+	struct privcmd_buf_private *file_priv;
+	struct list_head list;
+	unsigned int users;
+	unsigned int n_pages;
+	struct page *pages[];
+};
+
+static int privcmd_buf_open(struct inode *ino, struct file *file)
+{
+	struct privcmd_buf_private *file_priv;
+
+	file_priv = kzalloc(sizeof(*file_priv), GFP_KERNEL);
+	if (!file_priv)
+		return -ENOMEM;
+
+	mutex_init(&file_priv->lock);
+	INIT_LIST_HEAD(&file_priv->list);
+
+	file->private_data = file_priv;
+
+	return 0;
+}
+
+static void privcmd_buf_vmapriv_free(struct privcmd_buf_vma_private *vma_priv)
+{
+	unsigned int i;
+
+	vma_priv->file_priv->allocated -= vma_priv->n_pages;
+
+	list_del(&vma_priv->list);
+
+	for (i = 0; i < vma_priv->n_pages; i++)
+		if (vma_priv->pages[i])
+			__free_page(vma_priv->pages[i]);
+
+	kfree(vma_priv);
+}
+
+static int privcmd_buf_release(struct inode *ino, struct file *file)
+{
+	struct privcmd_buf_private *file_priv = file->private_data;
+	struct privcmd_buf_vma_private *vma_priv;
+
+	mutex_lock(&file_priv->lock);
+
+	while (!list_empty(&file_priv->list)) {
+		vma_priv = list_first_entry(&file_priv->list,
+					    struct privcmd_buf_vma_private,
+					    list);
+		privcmd_buf_vmapriv_free(vma_priv);
+	}
+
+	mutex_unlock(&file_priv->lock);
+
+	kfree(file_priv);
+
+	return 0;
+}
+
+static void privcmd_buf_vma_open(struct vm_area_struct *vma)
+{
+	struct privcmd_buf_vma_private *vma_priv = vma->vm_private_data;
+
+	if (!vma_priv)
+		return;
+
+	mutex_lock(&vma_priv->file_priv->lock);
+	vma_priv->users++;
+	mutex_unlock(&vma_priv->file_priv->lock);
+}
+
+static void privcmd_buf_vma_close(struct vm_area_struct *vma)
+{
+	struct privcmd_buf_vma_private *vma_priv = vma->vm_private_data;
+	struct privcmd_buf_private *file_priv;
+
+	if (!vma_priv)
+		return;
+
+	file_priv = vma_priv->file_priv;
+
+	mutex_lock(&file_priv->lock);
+
+	vma_priv->users--;
+	if (!vma_priv->users)
+		privcmd_buf_vmapriv_free(vma_priv);
+
+	mutex_unlock(&file_priv->lock);
+}
+
+static vm_fault_t privcmd_buf_vma_fault(struct vm_fault *vmf)
+{
+	pr_debug("fault: vma=%p %lx-%lx, pgoff=%lx, uv=%p\n",
+		 vmf->vma, vmf->vma->vm_start, vmf->vma->vm_end,
+		 vmf->pgoff, (void *)vmf->address);
+
+	return VM_FAULT_SIGBUS;
+}
+
+static const struct vm_operations_struct privcmd_buf_vm_ops = {
+	.open = privcmd_buf_vma_open,
+	.close = privcmd_buf_vma_close,
+	.fault = privcmd_buf_vma_fault,
+};
+
+static int privcmd_buf_mmap(struct file *file, struct vm_area_struct *vma)
+{
+	struct privcmd_buf_private *file_priv = file->private_data;
+	struct privcmd_buf_vma_private *vma_priv;
+	unsigned long count = vma_pages(vma);
+	unsigned int i;
+	int ret = 0;
+
+	if (!(vma->vm_flags & VM_SHARED) || count > limit ||
+	    file_priv->allocated + count > limit)
+		return -EINVAL;
+
+	vma_priv = kzalloc(sizeof(*vma_priv) + count * sizeof(void *),
+			   GFP_KERNEL);
+	if (!vma_priv)
+		return -ENOMEM;
+
+	vma_priv->n_pages = count;
+	count = 0;
+	for (i = 0; i < vma_priv->n_pages; i++) {
+		vma_priv->pages[i] = alloc_page(GFP_KERNEL | __GFP_ZERO);
+		if (!vma_priv->pages[i])
+			break;
+		count++;
+	}
+
+	mutex_lock(&file_priv->lock);
+
+	file_priv->allocated += count;
+
+	vma_priv->file_priv = file_priv;
+	vma_priv->users = 1;
+
+	vma->vm_flags |= VM_IO | VM_DONTEXPAND;
+	vma->vm_ops = &privcmd_buf_vm_ops;
+	vma->vm_private_data = vma_priv;
+
+	list_add(&vma_priv->list, &file_priv->list);
+
+	if (vma_priv->n_pages != count)
+		ret = -ENOMEM;
+	else
+		for (i = 0; i < vma_priv->n_pages; i++) {
+			ret = vm_insert_page(vma, vma->vm_start + i * PAGE_SIZE,
+					     vma_priv->pages[i]);
+			if (ret)
+				break;
+		}
+
+	if (ret)
+		privcmd_buf_vmapriv_free(vma_priv);
+
+	mutex_unlock(&file_priv->lock);
+
+	return ret;
+}
+
+const struct file_operations xen_privcmdbuf_fops = {
+	.owner = THIS_MODULE,
+	.open = privcmd_buf_open,
+	.release = privcmd_buf_release,
+	.mmap = privcmd_buf_mmap,
+};
+EXPORT_SYMBOL_GPL(xen_privcmdbuf_fops);
+
+struct miscdevice xen_privcmdbuf_dev = {
+	.minor = MISC_DYNAMIC_MINOR,
+	.name = "xen/hypercall",
+	.fops = &xen_privcmdbuf_fops,
+};
diff --git a/drivers/xen/privcmd.c b/drivers/xen/privcmd.c
index 8ae0349d9f0a..7e6e682104dc 100644
--- a/drivers/xen/privcmd.c
+++ b/drivers/xen/privcmd.c
@@ -1007,12 +1007,21 @@ static int __init privcmd_init(void)
 		pr_err("Could not register Xen privcmd device\n");
 		return err;
 	}
+
+	err = misc_register(&xen_privcmdbuf_dev);
+	if (err != 0) {
+		pr_err("Could not register Xen hypercall-buf device\n");
+		misc_deregister(&privcmd_dev);
+		return err;
+	}
+
 	return 0;
 }
 
 static void __exit privcmd_exit(void)
 {
 	misc_deregister(&privcmd_dev);
+	misc_deregister(&xen_privcmdbuf_dev);
 }
 
 module_init(privcmd_init);
diff --git a/drivers/xen/privcmd.h b/drivers/xen/privcmd.h
index 14facaeed36f..0dd9f8f67ee3 100644
--- a/drivers/xen/privcmd.h
+++ b/drivers/xen/privcmd.h
@@ -1,3 +1,6 @@
 #include <linux/fs.h>
 
 extern const struct file_operations xen_privcmd_fops;
+extern const struct file_operations xen_privcmdbuf_fops;
+
+extern struct miscdevice xen_privcmdbuf_dev;
diff --git a/drivers/xen/xen-scsiback.c b/drivers/xen/xen-scsiback.c
index 7bc88fd43cfc..e2f3e8b0fba9 100644
--- a/drivers/xen/xen-scsiback.c
+++ b/drivers/xen/xen-scsiback.c
@@ -1012,6 +1012,7 @@ static void scsiback_do_add_lun(struct vscsibk_info *info, const char *state,
 {
 	struct v2p_entry *entry;
 	unsigned long flags;
+	int err;
 
 	if (try) {
 		spin_lock_irqsave(&info->v2p_lock, flags);
@@ -1027,8 +1028,11 @@ static void scsiback_do_add_lun(struct vscsibk_info *info, const char *state,
 			scsiback_del_translation_entry(info, vir);
 		}
 	} else if (!try) {
-		xenbus_printf(XBT_NIL, info->dev->nodename, state,
+		err = xenbus_printf(XBT_NIL, info->dev->nodename, state,
 			      "%d", XenbusStateClosed);
+		if (err)
+			xenbus_dev_error(info->dev, err,
+				"%s: writing %s", __func__, state);
 	}
 }
 
@@ -1067,8 +1071,11 @@ static void scsiback_do_1lun_hotplug(struct vscsibk_info *info, int op,
 	snprintf(str, sizeof(str), "vscsi-devs/%s/p-dev", ent);
 	val = xenbus_read(XBT_NIL, dev->nodename, str, NULL);
 	if (IS_ERR(val)) {
-		xenbus_printf(XBT_NIL, dev->nodename, state,
+		err = xenbus_printf(XBT_NIL, dev->nodename, state,
 			      "%d", XenbusStateClosed);
+		if (err)
+			xenbus_dev_error(info->dev, err,
+				"%s: writing %s", __func__, state);
 		return;
 	}
 	strlcpy(phy, val, VSCSI_NAMELEN);
@@ -1079,8 +1086,11 @@ static void scsiback_do_1lun_hotplug(struct vscsibk_info *info, int op,
 	err = xenbus_scanf(XBT_NIL, dev->nodename, str, "%u:%u:%u:%u",
 			   &vir.hst, &vir.chn, &vir.tgt, &vir.lun);
 	if (XENBUS_EXIST_ERR(err)) {
-		xenbus_printf(XBT_NIL, dev->nodename, state,
+		err = xenbus_printf(XBT_NIL, dev->nodename, state,
 			      "%d", XenbusStateClosed);
+		if (err)
+			xenbus_dev_error(info->dev, err,
+				"%s: writing %s", __func__, state);
 		return;
 	}