Re: Linux 5.10.23

[gregkh@linuxfoundation.org]

From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/Makefile b/Makefile
index 12a2a7271fcb..7fdb78b48f55 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 # SPDX-License-Identifier: GPL-2.0
 VERSION = 5
 PATCHLEVEL = 10
-SUBLEVEL = 22
+SUBLEVEL = 23
 EXTRAVERSION =
 NAME = Dare mighty things
 
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index afe4bc55d4eb..c1be64228327 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -950,8 +950,9 @@ choice
 	  that is selected here.
 
 config CPU_BIG_ENDIAN
-       bool "Build big-endian kernel"
-       help
+	bool "Build big-endian kernel"
+	depends on !LD_IS_LLD || LLD_VERSION >= 130000
+	help
 	  Say Y if you plan on running a kernel with a big-endian userspace.
 
 config CPU_LITTLE_ENDIAN
diff --git a/arch/parisc/Kconfig b/arch/parisc/Kconfig
index 04dc17d52ac2..14f3252f2da0 100644
--- a/arch/parisc/Kconfig
+++ b/arch/parisc/Kconfig
@@ -201,9 +201,12 @@ config PREFETCH
 	def_bool y
 	depends on PA8X00 || PA7200
 
+config PARISC_HUGE_KERNEL
+	def_bool y if !MODULES || UBSAN || FTRACE || COMPILE_TEST
+
 config MLONGCALLS
-	def_bool y if !MODULES || UBSAN || FTRACE
-	bool "Enable the -mlong-calls compiler option for big kernels" if MODULES && !UBSAN && !FTRACE
+	def_bool y if PARISC_HUGE_KERNEL
+	bool "Enable the -mlong-calls compiler option for big kernels" if !PARISC_HUGE_KERNEL
 	depends on PA8X00
 	help
 	  If you configure the kernel to include many drivers built-in instead
diff --git a/arch/x86/kvm/svm/svm.c b/arch/x86/kvm/svm/svm.c
index 76ab1ee0784a..642f0da31ac4 100644
--- a/arch/x86/kvm/svm/svm.c
+++ b/arch/x86/kvm/svm/svm.c
@@ -1192,6 +1192,7 @@ static void init_vmcb(struct vcpu_svm *svm)
 	init_sys_seg(&save->ldtr, SEG_TYPE_LDT);
 	init_sys_seg(&save->tr, SEG_TYPE_BUSY_TSS16);
 
+	svm_set_cr4(&svm->vcpu, 0);
 	svm_set_efer(&svm->vcpu, 0);
 	save->dr6 = 0xffff0ff0;
 	kvm_set_rflags(&svm->vcpu, 2);
diff --git a/arch/x86/kvm/x86.h b/arch/x86/kvm/x86.h
index e7ca622a468f..2249a7d7ca27 100644
--- a/arch/x86/kvm/x86.h
+++ b/arch/x86/kvm/x86.h
@@ -404,6 +404,8 @@ bool kvm_msr_allowed(struct kvm_vcpu *vcpu, u32 index, u32 type);
 		__reserved_bits |= X86_CR4_UMIP;        \
 	if (!__cpu_has(__c, X86_FEATURE_VMX))           \
 		__reserved_bits |= X86_CR4_VMXE;        \
+	if (!__cpu_has(__c, X86_FEATURE_PCID))          \
+		__reserved_bits |= X86_CR4_PCIDE;       \
 	__reserved_bits;                                \
 })
 
diff --git a/drivers/acpi/acpica/acobject.h b/drivers/acpi/acpica/acobject.h
index 9f0219a8cb98..dd7efafcb103 100644
--- a/drivers/acpi/acpica/acobject.h
+++ b/drivers/acpi/acpica/acobject.h
@@ -284,6 +284,7 @@ struct acpi_object_addr_handler {
 	acpi_adr_space_handler handler;
 	struct acpi_namespace_node *node;	/* Parent device */
 	void *context;
+	acpi_mutex context_mutex;
 	acpi_adr_space_setup setup;
 	union acpi_operand_object *region_list;	/* Regions using this handler */
 	union acpi_operand_object *next;
diff --git a/drivers/acpi/acpica/evhandler.c b/drivers/acpi/acpica/evhandler.c
index 5884eba047f7..3438dc187efb 100644
--- a/drivers/acpi/acpica/evhandler.c
+++ b/drivers/acpi/acpica/evhandler.c
@@ -489,6 +489,13 @@ acpi_ev_install_space_handler(struct acpi_namespace_node *node,
 
 	/* Init handler obj */
 
+	status =
+	    acpi_os_create_mutex(&handler_obj->address_space.context_mutex);
+	if (ACPI_FAILURE(status)) {
+		acpi_ut_remove_reference(handler_obj);
+		goto unlock_and_exit;
+	}
+
 	handler_obj->address_space.space_id = (u8)space_id;
 	handler_obj->address_space.handler_flags = flags;
 	handler_obj->address_space.region_list = NULL;
diff --git a/drivers/acpi/acpica/evregion.c b/drivers/acpi/acpica/evregion.c
index 738d4b231f34..980efc9bd5ee 100644
--- a/drivers/acpi/acpica/evregion.c
+++ b/drivers/acpi/acpica/evregion.c
@@ -111,6 +111,8 @@ acpi_ev_address_space_dispatch(union acpi_operand_object *region_obj,
 	union acpi_operand_object *region_obj2;
 	void *region_context = NULL;
 	struct acpi_connection_info *context;
+	acpi_mutex context_mutex;
+	u8 context_locked;
 	acpi_physical_address address;
 
 	ACPI_FUNCTION_TRACE(ev_address_space_dispatch);
@@ -135,6 +137,8 @@ acpi_ev_address_space_dispatch(union acpi_operand_object *region_obj,
 	}
 
 	context = handler_desc->address_space.context;
+	context_mutex = handler_desc->address_space.context_mutex;
+	context_locked = FALSE;
 
 	/*
 	 * It may be the case that the region has never been initialized.
@@ -203,6 +207,23 @@ acpi_ev_address_space_dispatch(union acpi_operand_object *region_obj,
 	handler = handler_desc->address_space.handler;
 	address = (region_obj->region.address + region_offset);
 
+	ACPI_DEBUG_PRINT((ACPI_DB_OPREGION,
+			  "Handler %p (@%p) Address %8.8X%8.8X [%s]\n",
+			  &region_obj->region.handler->address_space, handler,
+			  ACPI_FORMAT_UINT64(address),
+			  acpi_ut_get_region_name(region_obj->region.
+						  space_id)));
+
+	if (!(handler_desc->address_space.handler_flags &
+	      ACPI_ADDR_HANDLER_DEFAULT_INSTALLED)) {
+		/*
+		 * For handlers other than the default (supplied) handlers, we must
+		 * exit the interpreter because the handler *might* block -- we don't
+		 * know what it will do, so we can't hold the lock on the interpreter.
+		 */
+		acpi_ex_exit_interpreter();
+	}
+
 	/*
 	 * Special handling for generic_serial_bus and general_purpose_io:
 	 * There are three extra parameters that must be passed to the
@@ -211,6 +232,11 @@ acpi_ev_address_space_dispatch(union acpi_operand_object *region_obj,
 	 *   2) Length of the above buffer
 	 *   3) Actual access length from the access_as() op
 	 *
+	 * Since we pass these extra parameters via the context, which is
+	 * shared between threads, we must lock the context to avoid these
+	 * parameters being changed from another thread before the handler
+	 * has completed running.
+	 *
 	 * In addition, for general_purpose_io, the Address and bit_width fields
 	 * are defined as follows:
 	 *   1) Address is the pin number index of the field (bit offset from
@@ -220,6 +246,14 @@ acpi_ev_address_space_dispatch(union acpi_operand_object *region_obj,
 	if ((region_obj->region.space_id == ACPI_ADR_SPACE_GSBUS) &&
 	    context && field_obj) {
 
+		status =
+		    acpi_os_acquire_mutex(context_mutex, ACPI_WAIT_FOREVER);
+		if (ACPI_FAILURE(status)) {
+			goto re_enter_interpreter;
+		}
+
+		context_locked = TRUE;
+
 		/* Get the Connection (resource_template) buffer */
 
 		context->connection = field_obj->field.resource_buffer;
@@ -229,6 +263,14 @@ acpi_ev_address_space_dispatch(union acpi_operand_object *region_obj,
 	if ((region_obj->region.space_id == ACPI_ADR_SPACE_GPIO) &&
 	    context && field_obj) {
 
+		status =
+		    acpi_os_acquire_mutex(context_mutex, ACPI_WAIT_FOREVER);
+		if (ACPI_FAILURE(status)) {
+			goto re_enter_interpreter;
+		}
+
+		context_locked = TRUE;
+
 		/* Get the Connection (resource_template) buffer */
 
 		context->connection = field_obj->field.resource_buffer;
@@ -238,28 +280,15 @@ acpi_ev_address_space_dispatch(union acpi_operand_object *region_obj,
 		bit_width = field_obj->field.bit_length;
 	}
 
-	ACPI_DEBUG_PRINT((ACPI_DB_OPREGION,
-			  "Handler %p (@%p) Address %8.8X%8.8X [%s]\n",
-			  &region_obj->region.handler->address_space, handler,
-			  ACPI_FORMAT_UINT64(address),
-			  acpi_ut_get_region_name(region_obj->region.
-						  space_id)));
-
-	if (!(handler_desc->address_space.handler_flags &
-	      ACPI_ADDR_HANDLER_DEFAULT_INSTALLED)) {
-		/*
-		 * For handlers other than the default (supplied) handlers, we must
-		 * exit the interpreter because the handler *might* block -- we don't
-		 * know what it will do, so we can't hold the lock on the interpreter.
-		 */
-		acpi_ex_exit_interpreter();
-	}
-
 	/* Call the handler */
 
 	status = handler(function, address, bit_width, value, context,
 			 region_obj2->extra.region_context);
 
+	if (context_locked) {
+		acpi_os_release_mutex(context_mutex);
+	}
+
 	if (ACPI_FAILURE(status)) {
 		ACPI_EXCEPTION((AE_INFO, status, "Returned by Handler for [%s]",
 				acpi_ut_get_region_name(region_obj->region.
@@ -276,6 +305,7 @@ acpi_ev_address_space_dispatch(union acpi_operand_object *region_obj,
 		}
 	}
 
+re_enter_interpreter:
 	if (!(handler_desc->address_space.handler_flags &
 	      ACPI_ADDR_HANDLER_DEFAULT_INSTALLED)) {
 		/*
diff --git a/drivers/acpi/acpica/evxfregn.c b/drivers/acpi/acpica/evxfregn.c
index da97fd0c6b51..3bb06f17a18b 100644
--- a/drivers/acpi/acpica/evxfregn.c
+++ b/drivers/acpi/acpica/evxfregn.c
@@ -201,6 +201,8 @@ acpi_remove_address_space_handler(acpi_handle device,
 
 			/* Now we can delete the handler object */
 
+			acpi_os_release_mutex(handler_obj->address_space.
+					      context_mutex);
 			acpi_ut_remove_reference(handler_obj);
 			goto unlock_and_exit;
 		}
diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c
index 4f5463b2a217..811d298637cb 100644
--- a/drivers/acpi/video_detect.c
+++ b/drivers/acpi/video_detect.c
@@ -140,6 +140,13 @@ static const struct dmi_system_id video_detect_dmi_table[] = {
 	},
 	{
 	.callback = video_detect_force_vendor,
+	.ident = "GIGABYTE GB-BXBT-2807",
+	.matches = {
+		DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
+		DMI_MATCH(DMI_PRODUCT_NAME, "GB-BXBT-2807"),
+		},
+	},
+	{
 	.ident = "Sony VPCEH3U1E",
 	.matches = {
 		DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c
index 5c26c7d94173..ad47ff0d55c2 100644
--- a/drivers/bluetooth/hci_qca.c
+++ b/drivers/bluetooth/hci_qca.c
@@ -78,6 +78,7 @@ enum qca_flags {
 
 enum qca_capabilities {
 	QCA_CAP_WIDEBAND_SPEECH = BIT(0),
+	QCA_CAP_VALID_LE_STATES = BIT(1),
 };
 
 /* HCI_IBS transmit side sleep protocol states */
@@ -1782,7 +1783,7 @@ static const struct qca_device_data qca_soc_data_wcn3991 = {
 		{ "vddch0", 450000 },
 	},
 	.num_vregs = 4,
-	.capabilities = QCA_CAP_WIDEBAND_SPEECH,
+	.capabilities = QCA_CAP_WIDEBAND_SPEECH | QCA_CAP_VALID_LE_STATES,
 };
 
 static const struct qca_device_data qca_soc_data_wcn3998 = {
@@ -2019,11 +2020,17 @@ static int qca_serdev_probe(struct serdev_device *serdev)
 		hdev->shutdown = qca_power_off;
 	}
 
-	/* Wideband speech support must be set per driver since it can't be
-	 * queried via hci.
-	 */
-	if (data && (data->capabilities & QCA_CAP_WIDEBAND_SPEECH))
-		set_bit(HCI_QUIRK_WIDEBAND_SPEECH_SUPPORTED, &hdev->quirks);
+	if (data) {
+		/* Wideband speech support must be set per driver since it can't
+		 * be queried via hci. Same with the valid le states quirk.
+		 */
+		if (data->capabilities & QCA_CAP_WIDEBAND_SPEECH)
+			set_bit(HCI_QUIRK_WIDEBAND_SPEECH_SUPPORTED,
+				&hdev->quirks);
+
+		if (data->capabilities & QCA_CAP_VALID_LE_STATES)
+			set_bit(HCI_QUIRK_VALID_LE_STATES, &hdev->quirks);
+	}
 
 	return 0;
 }
diff --git a/drivers/bus/ti-sysc.c b/drivers/bus/ti-sysc.c
index 92ecf1a78ec7..45f5530666d3 100644
--- a/drivers/bus/ti-sysc.c
+++ b/drivers/bus/ti-sysc.c
@@ -1379,6 +1379,8 @@ static const struct sysc_revision_quirk sysc_revision_quirks[] = {
 		   SYSC_QUIRK_CLKDM_NOAUTO),
 	SYSC_QUIRK("dwc3", 0x488c0000, 0, 0x10, -ENODEV, 0x500a0200, 0xffffffff,
 		   SYSC_QUIRK_CLKDM_NOAUTO),
+	SYSC_QUIRK("gpmc", 0, 0, 0x10, 0x14, 0x00000060, 0xffffffff,
+		   SYSC_QUIRK_GPMC_DEBUG),
 	SYSC_QUIRK("hdmi", 0, 0, 0x10, -ENODEV, 0x50030200, 0xffffffff,
 		   SYSC_QUIRK_OPT_CLKS_NEEDED),
 	SYSC_QUIRK("hdq1w", 0, 0, 0x14, 0x18, 0x00000006, 0xffffffff,
@@ -1814,6 +1816,14 @@ static void sysc_init_module_quirks(struct sysc *ddata)
 		return;
 	}
 
+#ifdef CONFIG_OMAP_GPMC_DEBUG
+	if (ddata->cfg.quirks & SYSC_QUIRK_GPMC_DEBUG) {
+		ddata->cfg.quirks |= SYSC_QUIRK_NO_RESET_ON_INIT;
+
+		return;
+	}
+#endif
+
 	if (ddata->cfg.quirks & SYSC_MODULE_QUIRK_I2C) {
 		ddata->pre_reset_quirk = sysc_pre_reset_quirk_i2c;
 		ddata->post_reset_quirk = sysc_post_reset_quirk_i2c;
diff --git a/drivers/gpu/drm/msm/adreno/a5xx_gpu.c b/drivers/gpu/drm/msm/adreno/a5xx_gpu.c
index 69ed2c609466..5e11cdb207d8 100644
--- a/drivers/gpu/drm/msm/adreno/a5xx_gpu.c
+++ b/drivers/gpu/drm/msm/adreno/a5xx_gpu.c
@@ -626,8 +626,6 @@ static int a5xx_hw_init(struct msm_gpu *gpu)
 	if (adreno_gpu->info->quirks & ADRENO_QUIRK_TWO_PASS_USE_WFI)
 		gpu_rmw(gpu, REG_A5XX_PC_DBG_ECO_CNTL, 0, (1 << 8));
 
-	gpu_write(gpu, REG_A5XX_PC_DBG_ECO_CNTL, 0xc0200100);
-
 	/* Enable USE_RETENTION_FLOPS */
 	gpu_write(gpu, REG_A5XX_CP_CHICKEN_DBG, 0x02000000);
 
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index 94180c63571e..06813f297dcc 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -359,6 +359,7 @@
 #define USB_DEVICE_ID_DRAGONRISE_DOLPHINBAR	0x1803
 #define USB_DEVICE_ID_DRAGONRISE_GAMECUBE1	0x1843
 #define USB_DEVICE_ID_DRAGONRISE_GAMECUBE2	0x1844
+#define USB_DEVICE_ID_DRAGONRISE_GAMECUBE3	0x1846
 
 #define USB_VENDOR_ID_DWAV		0x0eef
 #define USB_DEVICE_ID_EGALAX_TOUCHCONTROLLER	0x0001
@@ -638,6 +639,8 @@
 #define USB_DEVICE_ID_INNEX_GENESIS_ATARI	0x4745
 
 #define USB_VENDOR_ID_ITE               0x048d
+#define I2C_VENDOR_ID_ITE		0x103c
+#define I2C_DEVICE_ID_ITE_VOYO_WINPAD_A15	0x184f
 #define USB_DEVICE_ID_ITE_LENOVO_YOGA   0x8386
 #define USB_DEVICE_ID_ITE_LENOVO_YOGA2  0x8350
 #define I2C_DEVICE_ID_ITE_LENOVO_LEGION_Y720	0x837a
diff --git a/drivers/hid/hid-mf.c b/drivers/hid/hid-mf.c
index fc75f30f537c..92d7ecd41a78 100644
--- a/drivers/hid/hid-mf.c
+++ b/drivers/hid/hid-mf.c
@@ -153,6 +153,8 @@ static const struct hid_device_id mf_devices[] = {
 		.driver_data = HID_QUIRK_MULTI_INPUT },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, USB_DEVICE_ID_DRAGONRISE_GAMECUBE2),
 		.driver_data = 0 }, /* No quirk required */
+	{ HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, USB_DEVICE_ID_DRAGONRISE_GAMECUBE3),
+		.driver_data = HID_QUIRK_MULTI_INPUT },
 	{ }
 };
 MODULE_DEVICE_TABLE(hid, mf_devices);
diff --git a/drivers/hid/hid-quirks.c b/drivers/hid/hid-quirks.c
index bf7ecab5d9e5..2e38340e19df 100644
--- a/drivers/hid/hid-quirks.c
+++ b/drivers/hid/hid-quirks.c
@@ -72,6 +72,7 @@ static const struct hid_device_id hid_quirks[] = {
 	{ HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, USB_DEVICE_ID_REDRAGON_SEYMUR2), HID_QUIRK_INCREMENT_USAGE_ON_DUPLICATE },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, USB_DEVICE_ID_DRAGONRISE_DOLPHINBAR), HID_QUIRK_MULTI_INPUT },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, USB_DEVICE_ID_DRAGONRISE_GAMECUBE1), HID_QUIRK_MULTI_INPUT },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, USB_DEVICE_ID_DRAGONRISE_GAMECUBE3), HID_QUIRK_MULTI_INPUT },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, USB_DEVICE_ID_DRAGONRISE_PS3), HID_QUIRK_MULTI_INPUT },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, USB_DEVICE_ID_DRAGONRISE_WIIU), HID_QUIRK_MULTI_INPUT },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_DWAV, USB_DEVICE_ID_EGALAX_TOUCHCONTROLLER), HID_QUIRK_MULTI_INPUT | HID_QUIRK_NOGET },
@@ -484,6 +485,7 @@ static const struct hid_device_id hid_have_special_driver[] = {
 	{ HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, USB_DEVICE_ID_DRAGONRISE_DOLPHINBAR) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, USB_DEVICE_ID_DRAGONRISE_GAMECUBE1) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, USB_DEVICE_ID_DRAGONRISE_GAMECUBE2) },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, USB_DEVICE_ID_DRAGONRISE_GAMECUBE3) },
 #endif
 #if IS_ENABLED(CONFIG_HID_MICROSOFT)
 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_COMFORT_MOUSE_4500) },
diff --git a/drivers/hid/i2c-hid/i2c-hid-core.c b/drivers/hid/i2c-hid/i2c-hid-core.c
index aeff1ffb0c8b..cb7758d59014 100644
--- a/drivers/hid/i2c-hid/i2c-hid-core.c
+++ b/drivers/hid/i2c-hid/i2c-hid-core.c
@@ -171,6 +171,8 @@ static const struct i2c_hid_quirks {
 		I2C_HID_QUIRK_SET_PWR_WAKEUP_DEV },
 	{ I2C_VENDOR_ID_HANTICK, I2C_PRODUCT_ID_HANTICK_5288,
 		I2C_HID_QUIRK_NO_IRQ_AFTER_RESET },
+	{ I2C_VENDOR_ID_ITE, I2C_DEVICE_ID_ITE_VOYO_WINPAD_A15,
+		I2C_HID_QUIRK_NO_IRQ_AFTER_RESET },
 	{ I2C_VENDOR_ID_RAYDIUM, I2C_PRODUCT_ID_RAYDIUM_3118,
 		I2C_HID_QUIRK_NO_IRQ_AFTER_RESET },
 	{ USB_VENDOR_ID_ELAN, HID_ANY_ID,
diff --git a/drivers/iommu/amd/iommu.c b/drivers/iommu/amd/iommu.c
index b9cf59443843..5f1195791cb1 100644
--- a/drivers/iommu/amd/iommu.c
+++ b/drivers/iommu/amd/iommu.c
@@ -1503,6 +1503,10 @@ static bool increase_address_space(struct protection_domain *domain,
 	bool ret = true;
 	u64 *pte;
 
+	pte = (void *)get_zeroed_page(gfp);
+	if (!pte)
+		return false;
+
 	spin_lock_irqsave(&domain->lock, flags);
 
 	amd_iommu_domain_get_pgtable(domain, &pgtable);
@@ -1514,10 +1518,6 @@ static bool increase_address_space(struct protection_domain *domain,
 	if (WARN_ON_ONCE(pgtable.mode == PAGE_MODE_6_LEVEL))
 		goto out;
 
-	pte = (void *)get_zeroed_page(gfp);
-	if (!pte)
-		goto out;
-
 	*pte = PM_LEVEL_PDE(pgtable.mode, iommu_virt_to_phys(pgtable.root));
 
 	pgtable.root  = pte;
@@ -1531,10 +1531,12 @@ static bool increase_address_space(struct protection_domain *domain,
 	 */
 	amd_iommu_domain_set_pgtable(domain, pte, pgtable.mode);
 
+	pte = NULL;
 	ret = true;
 
 out:
 	spin_unlock_irqrestore(&domain->lock, flags);
+	free_page((unsigned long)pte);
 
 	return ret;
 }
diff --git a/drivers/media/pci/cx23885/cx23885-core.c b/drivers/media/pci/cx23885/cx23885-core.c
index 4b0c53f61fb7..4e8132d4b2df 100644
--- a/drivers/media/pci/cx23885/cx23885-core.c
+++ b/drivers/media/pci/cx23885/cx23885-core.c
@@ -2074,6 +2074,10 @@ static struct {
 	 * 0x1451 is PCI ID for the IOMMU found on Ryzen
 	 */
 	{ PCI_VENDOR_ID_AMD, 0x1451 },
+	/* According to sudo lspci -nn,
+	 * 0x1423 is the PCI ID for the IOMMU found on Kaveri
+	 */
+	{ PCI_VENDOR_ID_AMD, 0x1423 },
 };
 
 static bool cx23885_does_need_dma_reset(void)
diff --git a/drivers/misc/eeprom/eeprom_93xx46.c b/drivers/misc/eeprom/eeprom_93xx46.c
index d92c4d2c521a..6e5f544c9c73 100644
--- a/drivers/misc/eeprom/eeprom_93xx46.c
+++ b/drivers/misc/eeprom/eeprom_93xx46.c
@@ -35,6 +35,10 @@ static const struct eeprom_93xx46_devtype_data atmel_at93c46d_data = {
 		  EEPROM_93XX46_QUIRK_INSTRUCTION_LENGTH,
 };
 
+static const struct eeprom_93xx46_devtype_data microchip_93lc46b_data = {
+	.quirks = EEPROM_93XX46_QUIRK_EXTRA_READ_CYCLE,
+};
+
 struct eeprom_93xx46_dev {
 	struct spi_device *spi;
 	struct eeprom_93xx46_platform_data *pdata;
@@ -55,6 +59,11 @@ static inline bool has_quirk_instruction_length(struct eeprom_93xx46_dev *edev)
 	return edev->pdata->quirks & EEPROM_93XX46_QUIRK_INSTRUCTION_LENGTH;
 }
 
+static inline bool has_quirk_extra_read_cycle(struct eeprom_93xx46_dev *edev)
+{
+	return edev->pdata->quirks & EEPROM_93XX46_QUIRK_EXTRA_READ_CYCLE;
+}
+
 static int eeprom_93xx46_read(void *priv, unsigned int off,
 			      void *val, size_t count)
 {
@@ -96,6 +105,11 @@ static int eeprom_93xx46_read(void *priv, unsigned int off,
 		dev_dbg(&edev->spi->dev, "read cmd 0x%x, %d Hz\n",
 			cmd_addr, edev->spi->max_speed_hz);
 
+		if (has_quirk_extra_read_cycle(edev)) {
+			cmd_addr <<= 1;
+			bits += 1;
+		}
+
 		spi_message_init(&m);
 
 		t[0].tx_buf = (char *)&cmd_addr;
@@ -363,6 +377,7 @@ static void select_deassert(void *context)
 static const struct of_device_id eeprom_93xx46_of_table[] = {
 	{ .compatible = "eeprom-93xx46", },
 	{ .compatible = "atmel,at93c46d", .data = &atmel_at93c46d_data, },
+	{ .compatible = "microchip,93lc46b", .data = &microchip_93lc46b_data, },
 	{}
 };
 MODULE_DEVICE_TABLE(of, eeprom_93xx46_of_table);
diff --git a/drivers/mmc/host/sdhci-of-dwcmshc.c b/drivers/mmc/host/sdhci-of-dwcmshc.c
index d90020ed3622..59d8d96ce206 100644
--- a/drivers/mmc/host/sdhci-of-dwcmshc.c
+++ b/drivers/mmc/host/sdhci-of-dwcmshc.c
@@ -112,6 +112,7 @@ static const struct sdhci_ops sdhci_dwcmshc_ops = {
 static const struct sdhci_pltfm_data sdhci_dwcmshc_pdata = {
 	.ops = &sdhci_dwcmshc_ops,
 	.quirks = SDHCI_QUIRK_CAP_CLOCK_BASE_BROKEN,
+	.quirks2 = SDHCI_QUIRK2_PRESET_VALUE_BROKEN,
 };
 
 static int dwcmshc_probe(struct platform_device *pdev)
diff --git a/drivers/net/wireless/marvell/mwifiex/pcie.c b/drivers/net/wireless/marvell/mwifiex/pcie.c
index 6a10ff0377a2..33cf952cc01d 100644
--- a/drivers/net/wireless/marvell/mwifiex/pcie.c
+++ b/drivers/net/wireless/marvell/mwifiex/pcie.c
@@ -526,6 +526,8 @@ static void mwifiex_pcie_reset_prepare(struct pci_dev *pdev)
 	clear_bit(MWIFIEX_IFACE_WORK_DEVICE_DUMP, &card->work_flags);
 	clear_bit(MWIFIEX_IFACE_WORK_CARD_RESET, &card->work_flags);
 	mwifiex_dbg(adapter, INFO, "%s, successful\n", __func__);
+
+	card->pci_reset_ongoing = true;
 }
 
 /*
@@ -554,6 +556,8 @@ static void mwifiex_pcie_reset_done(struct pci_dev *pdev)
 		dev_err(&pdev->dev, "reinit failed: %d\n", ret);
 	else
 		mwifiex_dbg(adapter, INFO, "%s, successful\n", __func__);
+
+	card->pci_reset_ongoing = false;
 }
 
 static const struct pci_error_handlers mwifiex_pcie_err_handler = {
@@ -3142,7 +3146,19 @@ static void mwifiex_cleanup_pcie(struct mwifiex_adapter *adapter)
 	int ret;
 	u32 fw_status;
 
-	cancel_work_sync(&card->work);
+	/* Perform the cancel_work_sync() only when we're not resetting
+	 * the card. It's because that function never returns if we're
+	 * in reset path. If we're here when resetting the card, it means
+	 * that we failed to reset the card (reset failure path).
+	 */
+	if (!card->pci_reset_ongoing) {
+		mwifiex_dbg(adapter, MSG, "performing cancel_work_sync()...\n");
+		cancel_work_sync(&card->work);
+		mwifiex_dbg(adapter, MSG, "cancel_work_sync() done\n");
+	} else {
+		mwifiex_dbg(adapter, MSG,
+			    "skipped cancel_work_sync() because we're in card reset failure path\n");
+	}
 
 	ret = mwifiex_read_reg(adapter, reg->fw_status, &fw_status);
 	if (fw_status == FIRMWARE_READY_PCIE) {
diff --git a/drivers/net/wireless/marvell/mwifiex/pcie.h b/drivers/net/wireless/marvell/mwifiex/pcie.h
index 843d57eda820..5ed613d65709 100644
--- a/drivers/net/wireless/marvell/mwifiex/pcie.h
+++ b/drivers/net/wireless/marvell/mwifiex/pcie.h
@@ -242,6 +242,8 @@ struct pcie_service_card {
 	struct mwifiex_msix_context share_irq_ctx;
 	struct work_struct work;
 	unsigned long work_flags;
+
+	bool pci_reset_ongoing;
 };
 
 static inline int
diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c
index 4a33287371bd..99c59f93a064 100644
--- a/drivers/nvme/host/pci.c
+++ b/drivers/nvme/host/pci.c
@@ -3235,7 +3235,8 @@ static const struct pci_device_id nvme_id_table[] = {
 	{ PCI_DEVICE(0x126f, 0x2263),	/* Silicon Motion unidentified */
 		.driver_data = NVME_QUIRK_NO_NS_DESC_LIST, },
 	{ PCI_DEVICE(0x1bb1, 0x0100),   /* Seagate Nytro Flash Storage */
-		.driver_data = NVME_QUIRK_DELAY_BEFORE_CHK_RDY, },
+		.driver_data = NVME_QUIRK_DELAY_BEFORE_CHK_RDY |
+				NVME_QUIRK_NO_NS_DESC_LIST, },
 	{ PCI_DEVICE(0x1c58, 0x0003),	/* HGST adapter */
 		.driver_data = NVME_QUIRK_DELAY_BEFORE_CHK_RDY, },
 	{ PCI_DEVICE(0x1c58, 0x0023),	/* WDC SN200 adapter */
@@ -3249,6 +3250,9 @@ static const struct pci_device_id nvme_id_table[] = {
 				NVME_QUIRK_IGNORE_DEV_SUBNQN, },
 	{ PCI_DEVICE(0x1987, 0x5016),	/* Phison E16 */
 		.driver_data = NVME_QUIRK_IGNORE_DEV_SUBNQN, },
+	{ PCI_DEVICE(0x1b4b, 0x1092),	/* Lexar 256 GB SSD */
+		.driver_data = NVME_QUIRK_NO_NS_DESC_LIST |
+				NVME_QUIRK_IGNORE_DEV_SUBNQN, },
 	{ PCI_DEVICE(0x1d1d, 0x1f1f),	/* LighNVM qemu device */
 		.driver_data = NVME_QUIRK_LIGHTNVM, },
 	{ PCI_DEVICE(0x1d1d, 0x2807),	/* CNEX WL */
@@ -3264,6 +3268,8 @@ static const struct pci_device_id nvme_id_table[] = {
 		.driver_data = NVME_QUIRK_DISABLE_WRITE_ZEROES, },
 	{ PCI_DEVICE(0x15b7, 0x2001),   /*  Sandisk Skyhawk */
 		.driver_data = NVME_QUIRK_DISABLE_WRITE_ZEROES, },
+	{ PCI_DEVICE(0x2646, 0x2262),   /* KINGSTON SKC2000 NVMe SSD */
+		.driver_data = NVME_QUIRK_NO_DEEPEST_PS, },
 	{ PCI_DEVICE(0x2646, 0x2263),   /* KINGSTON A2000 NVMe SSD  */
 		.driver_data = NVME_QUIRK_NO_DEEPEST_PS, },
 	{ PCI_DEVICE(PCI_VENDOR_ID_APPLE, 0x2001),
diff --git a/drivers/pci/controller/cadence/pci-j721e.c b/drivers/pci/controller/cadence/pci-j721e.c
index 586b9d69fa5e..d34ca0fda0f6 100644
--- a/drivers/pci/controller/cadence/pci-j721e.c
+++ b/drivers/pci/controller/cadence/pci-j721e.c
@@ -63,6 +63,7 @@ enum j721e_pcie_mode {
 
 struct j721e_pcie_data {
 	enum j721e_pcie_mode	mode;
+	bool quirk_retrain_flag;
 };
 
 static inline u32 j721e_pcie_user_readl(struct j721e_pcie *pcie, u32 offset)
@@ -270,6 +271,7 @@ static struct pci_ops cdns_ti_pcie_host_ops = {
 
 static const struct j721e_pcie_data j721e_pcie_rc_data = {
 	.mode = PCI_MODE_RC,
+	.quirk_retrain_flag = true,
 };
 
 static const struct j721e_pcie_data j721e_pcie_ep_data = {
@@ -378,6 +380,7 @@ static int j721e_pcie_probe(struct platform_device *pdev)
 
 		bridge->ops = &cdns_ti_pcie_host_ops;
 		rc = pci_host_bridge_priv(bridge);
+		rc->quirk_retrain_flag = data->quirk_retrain_flag;
 
 		cdns_pcie = &rc->pcie;
 		cdns_pcie->dev = dev;
diff --git a/drivers/pci/controller/cadence/pcie-cadence-host.c b/drivers/pci/controller/cadence/pcie-cadence-host.c
index 1cb7cfc75d6e..73dcf8cf98fb 100644
--- a/drivers/pci/controller/cadence/pcie-cadence-host.c
+++ b/drivers/pci/controller/cadence/pcie-cadence-host.c
@@ -77,6 +77,68 @@ static struct pci_ops cdns_pcie_host_ops = {
 	.write		= pci_generic_config_write,
 };
 
+static int cdns_pcie_host_wait_for_link(struct cdns_pcie *pcie)
+{
+	struct device *dev = pcie->dev;
+	int retries;
+
+	/* Check if the link is up or not */
+	for (retries = 0; retries < LINK_WAIT_MAX_RETRIES; retries++) {
+		if (cdns_pcie_link_up(pcie)) {
+			dev_info(dev, "Link up\n");
+			return 0;
+		}
+		usleep_range(LINK_WAIT_USLEEP_MIN, LINK_WAIT_USLEEP_MAX);
+	}
+
+	return -ETIMEDOUT;
+}
+
+static int cdns_pcie_retrain(struct cdns_pcie *pcie)
+{
+	u32 lnk_cap_sls, pcie_cap_off = CDNS_PCIE_RP_CAP_OFFSET;
+	u16 lnk_stat, lnk_ctl;
+	int ret = 0;
+
+	/*
+	 * Set retrain bit if current speed is 2.5 GB/s,
+	 * but the PCIe root port support is > 2.5 GB/s.
+	 */
+
+	lnk_cap_sls = cdns_pcie_readl(pcie, (CDNS_PCIE_RP_BASE + pcie_cap_off +
+					     PCI_EXP_LNKCAP));
+	if ((lnk_cap_sls & PCI_EXP_LNKCAP_SLS) <= PCI_EXP_LNKCAP_SLS_2_5GB)
+		return ret;
+
+	lnk_stat = cdns_pcie_rp_readw(pcie, pcie_cap_off + PCI_EXP_LNKSTA);
+	if ((lnk_stat & PCI_EXP_LNKSTA_CLS) == PCI_EXP_LNKSTA_CLS_2_5GB) {
+		lnk_ctl = cdns_pcie_rp_readw(pcie,
+					     pcie_cap_off + PCI_EXP_LNKCTL);
+		lnk_ctl |= PCI_EXP_LNKCTL_RL;
+		cdns_pcie_rp_writew(pcie, pcie_cap_off + PCI_EXP_LNKCTL,
+				    lnk_ctl);
+
+		ret = cdns_pcie_host_wait_for_link(pcie);
+	}
+	return ret;
+}
+
+static int cdns_pcie_host_start_link(struct cdns_pcie_rc *rc)
+{
+	struct cdns_pcie *pcie = &rc->pcie;
+	int ret;
+
+	ret = cdns_pcie_host_wait_for_link(pcie);
+
+	/*
+	 * Retrain link for Gen2 training defect
+	 * if quirk flag is set.
+	 */
+	if (!ret && rc->quirk_retrain_flag)
+		ret = cdns_pcie_retrain(pcie);
+
+	return ret;
+}
 
 static int cdns_pcie_host_init_root_port(struct cdns_pcie_rc *rc)
 {
@@ -399,23 +461,6 @@ static int cdns_pcie_host_init(struct device *dev,
 	return cdns_pcie_host_init_address_translation(rc);
 }
 
-static int cdns_pcie_host_wait_for_link(struct cdns_pcie *pcie)
-{
-	struct device *dev = pcie->dev;
-	int retries;
-
-	/* Check if the link is up or not */
-	for (retries = 0; retries < LINK_WAIT_MAX_RETRIES; retries++) {
-		if (cdns_pcie_link_up(pcie)) {
-			dev_info(dev, "Link up\n");
-			return 0;
-		}
-		usleep_range(LINK_WAIT_USLEEP_MIN, LINK_WAIT_USLEEP_MAX);
-	}
-
-	return -ETIMEDOUT;
-}
-
 int cdns_pcie_host_setup(struct cdns_pcie_rc *rc)
 {
 	struct device *dev = rc->pcie.dev;
@@ -458,7 +503,7 @@ int cdns_pcie_host_setup(struct cdns_pcie_rc *rc)
 		return ret;
 	}
 
-	ret = cdns_pcie_host_wait_for_link(pcie);
+	ret = cdns_pcie_host_start_link(rc);
 	if (ret)
 		dev_dbg(dev, "PCIe link never came up\n");
 
diff --git a/drivers/pci/controller/cadence/pcie-cadence.h b/drivers/pci/controller/cadence/pcie-cadence.h
index feed1e3038f4..6705a5fedfbb 100644
--- a/drivers/pci/controller/cadence/pcie-cadence.h
+++ b/drivers/pci/controller/cadence/pcie-cadence.h
@@ -119,7 +119,7 @@
  * Root Port Registers (PCI configuration space for the root port function)
  */
 #define CDNS_PCIE_RP_BASE	0x00200000
-
+#define CDNS_PCIE_RP_CAP_OFFSET 0xc0
 
 /*
  * Address Translation Registers
@@ -290,6 +290,7 @@ struct cdns_pcie {
  * @device_id: PCI device ID
  * @avail_ib_bar: Satus of RP_BAR0, RP_BAR1 and	RP_NO_BAR if it's free or
  *                available
+ * @quirk_retrain_flag: Retrain link as quirk for PCIe Gen2
  */
 struct cdns_pcie_rc {
 	struct cdns_pcie	pcie;
@@ -298,6 +299,7 @@ struct cdns_pcie_rc {
 	u32			vendor_id;
 	u32			device_id;
 	bool			avail_ib_bar[CDNS_PCIE_RP_MAX_IB];
+	bool                    quirk_retrain_flag;
 };
 
 /**
@@ -413,6 +415,13 @@ static inline void cdns_pcie_rp_writew(struct cdns_pcie *pcie,
 	cdns_pcie_write_sz(addr, 0x2, value);
 }
 
+static inline u16 cdns_pcie_rp_readw(struct cdns_pcie *pcie, u32 reg)
+{
+	void __iomem *addr = pcie->reg_base + CDNS_PCIE_RP_BASE + reg;
+
+	return cdns_pcie_read_sz(addr, 0x2);
+}
+
 /* Endpoint Function register access */
 static inline void cdns_pcie_ep_fn_writeb(struct cdns_pcie *pcie, u8 fn,
 					  u32 reg, u8 value)
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index fb1dc11e7cc5..b570f297e3ec 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -3998,6 +3998,9 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_MARVELL_EXT, 0x9183,
 /* https://bugzilla.kernel.org/show_bug.cgi?id=42679#c46 */
 DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_MARVELL_EXT, 0x91a0,
 			 quirk_dma_func1_alias);
+/* https://bugzilla.kernel.org/show_bug.cgi?id=42679#c135 */
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_MARVELL_EXT, 0x9215,
+			 quirk_dma_func1_alias);
 /* https://bugzilla.kernel.org/show_bug.cgi?id=42679#c127 */
 DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_MARVELL_EXT, 0x9220,
 			 quirk_dma_func1_alias);
diff --git a/drivers/platform/x86/acer-wmi.c b/drivers/platform/x86/acer-wmi.c
index 5592a929b593..80983f9dfcd5 100644
--- a/drivers/platform/x86/acer-wmi.c
+++ b/drivers/platform/x86/acer-wmi.c
@@ -30,6 +30,7 @@
 #include <linux/input/sparse-keymap.h>
 #include <acpi/video.h>
 
+ACPI_MODULE_NAME(KBUILD_MODNAME);
 MODULE_AUTHOR("Carlos Corbacho");
 MODULE_DESCRIPTION("Acer Laptop WMI Extras Driver");
 MODULE_LICENSE("GPL");
@@ -80,7 +81,7 @@ MODULE_ALIAS("wmi:676AA15E-6A47-4D9F-A2CC-1E6D18D14026");
 
 enum acer_wmi_event_ids {
 	WMID_HOTKEY_EVENT = 0x1,
-	WMID_ACCEL_EVENT = 0x5,
+	WMID_ACCEL_OR_KBD_DOCK_EVENT = 0x5,
 };
 
 static const struct key_entry acer_wmi_keymap[] __initconst = {
@@ -128,7 +129,9 @@ struct event_return_value {
 	u8 function;
 	u8 key_num;
 	u16 device_state;
-	u32 reserved;
+	u16 reserved1;
+	u8 kbd_dock_state;
+	u8 reserved2;
 } __attribute__((packed));
 
 /*
@@ -206,14 +209,13 @@ struct hotkey_function_type_aa {
 /*
  * Interface capability flags
  */
-#define ACER_CAP_MAILLED		(1<<0)
-#define ACER_CAP_WIRELESS		(1<<1)
-#define ACER_CAP_BLUETOOTH		(1<<2)
-#define ACER_CAP_BRIGHTNESS		(1<<3)
-#define ACER_CAP_THREEG			(1<<4)
-#define ACER_CAP_ACCEL			(1<<5)
-#define ACER_CAP_RFBTN			(1<<6)
-#define ACER_CAP_ANY			(0xFFFFFFFF)
+#define ACER_CAP_MAILLED		BIT(0)
+#define ACER_CAP_WIRELESS		BIT(1)
+#define ACER_CAP_BLUETOOTH		BIT(2)
+#define ACER_CAP_BRIGHTNESS		BIT(3)
+#define ACER_CAP_THREEG			BIT(4)
+#define ACER_CAP_SET_FUNCTION_MODE	BIT(5)
+#define ACER_CAP_KBD_DOCK		BIT(6)
 
 /*
  * Interface type flags
@@ -236,6 +238,7 @@ static int mailled = -1;
 static int brightness = -1;
 static int threeg = -1;
 static int force_series;
+static int force_caps = -1;
 static bool ec_raw_mode;
 static bool has_type_aa;
 static u16 commun_func_bitmap;
@@ -245,11 +248,13 @@ module_param(mailled, int, 0444);
 module_param(brightness, int, 0444);
 module_param(threeg, int, 0444);
 module_param(force_series, int, 0444);
+module_param(force_caps, int, 0444);
 module_param(ec_raw_mode, bool, 0444);
 MODULE_PARM_DESC(mailled, "Set initial state of Mail LED");
 MODULE_PARM_DESC(brightness, "Set initial LCD backlight brightness");
 MODULE_PARM_DESC(threeg, "Set initial state of 3G hardware");
 MODULE_PARM_DESC(force_series, "Force a different laptop series");
+MODULE_PARM_DESC(force_caps, "Force the capability bitmask to this value");
 MODULE_PARM_DESC(ec_raw_mode, "Enable EC raw mode");
 
 struct acer_data {
@@ -319,6 +324,15 @@ static int __init dmi_matched(const struct dmi_system_id *dmi)
 	return 1;
 }
 
+static int __init set_force_caps(const struct dmi_system_id *dmi)
+{
+	if (force_caps == -1) {
+		force_caps = (uintptr_t)dmi->driver_data;
+		pr_info("Found %s, set force_caps to 0x%x\n", dmi->ident, force_caps);
+	}
+	return 1;
+}
+
 static struct quirk_entry quirk_unknown = {
 };
 
@@ -497,6 +511,33 @@ static const struct dmi_system_id acer_quirks[] __initconst = {
 		},
 		.driver_data = &quirk_acer_travelmate_2490,
 	},
+	{
+		.callback = set_force_caps,
+		.ident = "Acer Aspire Switch 10E SW3-016",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "Aspire SW3-016"),
+		},
+		.driver_data = (void *)ACER_CAP_KBD_DOCK,
+	},
+	{
+		.callback = set_force_caps,
+		.ident = "Acer Aspire Switch 10 SW5-012",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "Aspire SW5-012"),
+		},
+		.driver_data = (void *)ACER_CAP_KBD_DOCK,
+	},
+	{
+		.callback = set_force_caps,
+		.ident = "Acer One 10 (S1003)",
+		.matches = {
+			DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Acer"),
+			DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "One S1003"),
+		},
+		.driver_data = (void *)ACER_CAP_KBD_DOCK,
+	},
 	{}
 };
 
@@ -1253,10 +1294,8 @@ static void __init type_aa_dmi_decode(const struct dmi_header *header, void *d)
 		interface->capability |= ACER_CAP_THREEG;
 	if (type_aa->commun_func_bitmap & ACER_WMID3_GDS_BLUETOOTH)
 		interface->capability |= ACER_CAP_BLUETOOTH;
-	if (type_aa->commun_func_bitmap & ACER_WMID3_GDS_RFBTN) {
-		interface->capability |= ACER_CAP_RFBTN;
+	if (type_aa->commun_func_bitmap & ACER_WMID3_GDS_RFBTN)
 		commun_func_bitmap &= ~ACER_WMID3_GDS_RFBTN;
-	}
 
 	commun_fn_key_number = type_aa->commun_fn_key_number;
 }
@@ -1520,7 +1559,7 @@ static int acer_gsensor_event(void)
 	struct acpi_buffer output;
 	union acpi_object out_obj[5];
 
-	if (!has_cap(ACER_CAP_ACCEL))
+	if (!acer_wmi_accel_dev)
 		return -1;
 
 	output.length = sizeof(out_obj);
@@ -1543,6 +1582,71 @@ static int acer_gsensor_event(void)
 	return 0;
 }
 
+/*
+ * Switch series keyboard dock status
+ */
+static int acer_kbd_dock_state_to_sw_tablet_mode(u8 kbd_dock_state)
+{
+	switch (kbd_dock_state) {
+	case 0x01: /* Docked, traditional clamshell laptop mode */
+		return 0;
+	case 0x04: /* Stand-alone tablet */
+	case 0x40: /* Docked, tent mode, keyboard not usable */
+		return 1;
+	default:
+		pr_warn("Unknown kbd_dock_state 0x%02x\n", kbd_dock_state);
+	}
+
+	return 0;
+}
+
+static void acer_kbd_dock_get_initial_state(void)
+{
+	u8 *output, input[8] = { 0x05, 0x00, };
+	struct acpi_buffer input_buf = { sizeof(input), input };
+	struct acpi_buffer output_buf = { ACPI_ALLOCATE_BUFFER, NULL };
+	union acpi_object *obj;
+	acpi_status status;
+	int sw_tablet_mode;
+
+	status = wmi_evaluate_method(WMID_GUID3, 0, 0x2, &input_buf, &output_buf);
+	if (ACPI_FAILURE(status)) {
+		ACPI_EXCEPTION((AE_INFO, status, "Error getting keyboard-dock initial status"));
+		return;
+	}
+
+	obj = output_buf.pointer;
+	if (!obj || obj->type != ACPI_TYPE_BUFFER || obj->buffer.length != 8) {
+		pr_err("Unexpected output format getting keyboard-dock initial status\n");
+		goto out_free_obj;
+	}
+
+	output = obj->buffer.pointer;
+	if (output[0] != 0x00 || (output[3] != 0x05 && output[3] != 0x45)) {
+		pr_err("Unexpected output [0]=0x%02x [3]=0x%02x getting keyboard-dock initial status\n",
+		       output[0], output[3]);
+		goto out_free_obj;
+	}
+
+	sw_tablet_mode = acer_kbd_dock_state_to_sw_tablet_mode(output[4]);
+	input_report_switch(acer_wmi_input_dev, SW_TABLET_MODE, sw_tablet_mode);
+
+out_free_obj:
+	kfree(obj);
+}
+
+static void acer_kbd_dock_event(const struct event_return_value *event)
+{
+	int sw_tablet_mode;
+
+	if (!has_cap(ACER_CAP_KBD_DOCK))
+		return;
+
+	sw_tablet_mode = acer_kbd_dock_state_to_sw_tablet_mode(event->kbd_dock_state);
+	input_report_switch(acer_wmi_input_dev, SW_TABLET_MODE, sw_tablet_mode);
+	input_sync(acer_wmi_input_dev);
+}
+
 /*
  * Rfkill devices
  */
@@ -1770,8 +1874,9 @@ static void acer_wmi_notify(u32 value, void *context)
 			sparse_keymap_report_event(acer_wmi_input_dev, scancode, 1, true);
 		}
 		break;
-	case WMID_ACCEL_EVENT:
+	case WMID_ACCEL_OR_KBD_DOCK_EVENT:
 		acer_gsensor_event();
+		acer_kbd_dock_event(&return_value);
 		break;
 	default:
 		pr_warn("Unknown function number - %d - %d\n",
@@ -1894,8 +1999,6 @@ static int __init acer_wmi_accel_setup(void)
 	gsensor_handle = acpi_device_handle(adev);
 	acpi_dev_put(adev);
 
-	interface->capability |= ACER_CAP_ACCEL;
-
 	acer_wmi_accel_dev = input_allocate_device();
 	if (!acer_wmi_accel_dev)
 		return -ENOMEM;
@@ -1921,11 +2024,6 @@ static int __init acer_wmi_accel_setup(void)
 	return err;
 }
 
-static void acer_wmi_accel_destroy(void)
-{
-	input_unregister_device(acer_wmi_accel_dev);
-}
-
 static int __init acer_wmi_input_setup(void)
 {
 	acpi_status status;
@@ -1943,6 +2041,9 @@ static int __init acer_wmi_input_setup(void)
 	if (err)
 		goto err_free_dev;
 
+	if (has_cap(ACER_CAP_KBD_DOCK))
+		input_set_capability(acer_wmi_input_dev, EV_SW, SW_TABLET_MODE);
+
 	status = wmi_install_notify_handler(ACERWMID_EVENT_GUID,
 						acer_wmi_notify, NULL);
 	if (ACPI_FAILURE(status)) {
@@ -1950,6 +2051,9 @@ static int __init acer_wmi_input_setup(void)
 		goto err_free_dev;
 	}
 
+	if (has_cap(ACER_CAP_KBD_DOCK))
+		acer_kbd_dock_get_initial_state();
+
 	err = input_register_device(acer_wmi_input_dev);
 	if (err)
 		goto err_uninstall_notifier;
@@ -2080,7 +2184,7 @@ static int acer_resume(struct device *dev)
 	if (has_cap(ACER_CAP_BRIGHTNESS))
 		set_u32(data->brightness, ACER_CAP_BRIGHTNESS);
 
-	if (has_cap(ACER_CAP_ACCEL))
+	if (acer_wmi_accel_dev)
 		acer_gsensor_init();
 
 	return 0;
@@ -2181,7 +2285,7 @@ static int __init acer_wmi_init(void)
 		}
 		/* WMID always provides brightness methods */
 		interface->capability |= ACER_CAP_BRIGHTNESS;
-	} else if (!wmi_has_guid(WMID_GUID2) && interface && !has_type_aa) {
+	} else if (!wmi_has_guid(WMID_GUID2) && interface && !has_type_aa && force_caps == -1) {
 		pr_err("No WMID device detection method found\n");
 		return -ENODEV;
 	}
@@ -2211,7 +2315,14 @@ static int __init acer_wmi_init(void)
 	if (acpi_video_get_backlight_type() != acpi_backlight_vendor)
 		interface->capability &= ~ACER_CAP_BRIGHTNESS;
 
-	if (wmi_has_guid(WMID_GUID3)) {
+	if (wmi_has_guid(WMID_GUID3))
+		interface->capability |= ACER_CAP_SET_FUNCTION_MODE;
+
+	if (force_caps != -1)
+		interface->capability = force_caps;
+
+	if (wmi_has_guid(WMID_GUID3) &&
+	    (interface->capability & ACER_CAP_SET_FUNCTION_MODE)) {
 		if (ACPI_FAILURE(acer_wmi_enable_rf_button()))
 			pr_warn("Cannot enable RF Button Driver\n");
 
@@ -2270,8 +2381,8 @@ static int __init acer_wmi_init(void)
 error_platform_register:
 	if (wmi_has_guid(ACERWMID_EVENT_GUID))
 		acer_wmi_input_destroy();
-	if (has_cap(ACER_CAP_ACCEL))
-		acer_wmi_accel_destroy();
+	if (acer_wmi_accel_dev)
+		input_unregister_device(acer_wmi_accel_dev);
 
 	return err;
 }
@@ -2281,8 +2392,8 @@ static void __exit acer_wmi_exit(void)
 	if (wmi_has_guid(ACERWMID_EVENT_GUID))
 		acer_wmi_input_destroy();
 
-	if (has_cap(ACER_CAP_ACCEL))
-		acer_wmi_accel_destroy();
+	if (acer_wmi_accel_dev)
+		input_unregister_device(acer_wmi_accel_dev);
 
 	remove_debugfs();
 	platform_device_unregister(acer_platform_device);
diff --git a/drivers/scsi/ufs/ufs-exynos.c b/drivers/scsi/ufs/ufs-exynos.c
index 5e6b95dbb578..f54b494ca448 100644
--- a/drivers/scsi/ufs/ufs-exynos.c
+++ b/drivers/scsi/ufs/ufs-exynos.c
@@ -653,6 +653,11 @@ static int exynos_ufs_pre_pwr_mode(struct ufs_hba *hba,
 		}
 	}
 
+	/* setting for three timeout values for traffic class #0 */
+	ufshcd_dme_set(hba, UIC_ARG_MIB(PA_PWRMODEUSERDATA0), 8064);
+	ufshcd_dme_set(hba, UIC_ARG_MIB(PA_PWRMODEUSERDATA1), 28224);
+	ufshcd_dme_set(hba, UIC_ARG_MIB(PA_PWRMODEUSERDATA2), 20160);
+
 	return 0;
 out:
 	return ret;
@@ -1249,7 +1254,9 @@ struct exynos_ufs_drv_data exynos_ufs_drvs = {
 				  UFSHCI_QUIRK_BROKEN_HCE |
 				  UFSHCI_QUIRK_SKIP_RESET_INTR_AGGR |
 				  UFSHCD_QUIRK_BROKEN_OCS_FATAL_ERROR |
-				  UFSHCI_QUIRK_SKIP_MANUAL_WB_FLUSH_CTRL,
+				  UFSHCI_QUIRK_SKIP_MANUAL_WB_FLUSH_CTRL |
+				  UFSHCD_QUIRK_SKIP_DEF_UNIPRO_TIMEOUT_SETTING |
+				  UFSHCD_QUIRK_ALIGN_SG_WITH_PAGE_SIZE,
 	.opts			= EXYNOS_UFS_OPT_HAS_APB_CLK_CTRL |
 				  EXYNOS_UFS_OPT_BROKEN_AUTO_CLK_CTRL |
 				  EXYNOS_UFS_OPT_BROKEN_RX_SEL_IDX |
diff --git a/drivers/scsi/ufs/ufs-mediatek.c b/drivers/scsi/ufs/ufs-mediatek.c
index 914a827a93ee..934713472ebc 100644
--- a/drivers/scsi/ufs/ufs-mediatek.c
+++ b/drivers/scsi/ufs/ufs-mediatek.c
@@ -566,6 +566,7 @@ static int ufs_mtk_init(struct ufs_hba *hba)
 
 	/* Enable WriteBooster */
 	hba->caps |= UFSHCD_CAP_WB_EN;
+	hba->quirks |= UFSHCI_QUIRK_SKIP_MANUAL_WB_FLUSH_CTRL;
 	hba->vps->wb_flush_threshold = UFS_WB_BUF_REMAIN_PERCENT(80);
 
 	/*
diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
index 813289328467..5a7cc2e42ffd 100644
--- a/drivers/scsi/ufs/ufshcd.c
+++ b/drivers/scsi/ufs/ufshcd.c
@@ -4153,25 +4153,27 @@ static int ufshcd_change_power_mode(struct ufs_hba *hba,
 		ufshcd_dme_set(hba, UIC_ARG_MIB(PA_HSSERIES),
 						pwr_mode->hs_rate);
 
-	ufshcd_dme_set(hba, UIC_ARG_MIB(PA_PWRMODEUSERDATA0),
-			DL_FC0ProtectionTimeOutVal_Default);
-	ufshcd_dme_set(hba, UIC_ARG_MIB(PA_PWRMODEUSERDATA1),
-			DL_TC0ReplayTimeOutVal_Default);
-	ufshcd_dme_set(hba, UIC_ARG_MIB(PA_PWRMODEUSERDATA2),
-			DL_AFC0ReqTimeOutVal_Default);
-	ufshcd_dme_set(hba, UIC_ARG_MIB(PA_PWRMODEUSERDATA3),
-			DL_FC1ProtectionTimeOutVal_Default);
-	ufshcd_dme_set(hba, UIC_ARG_MIB(PA_PWRMODEUSERDATA4),
-			DL_TC1ReplayTimeOutVal_Default);
-	ufshcd_dme_set(hba, UIC_ARG_MIB(PA_PWRMODEUSERDATA5),
-			DL_AFC1ReqTimeOutVal_Default);
-
-	ufshcd_dme_set(hba, UIC_ARG_MIB(DME_LocalFC0ProtectionTimeOutVal),
-			DL_FC0ProtectionTimeOutVal_Default);
-	ufshcd_dme_set(hba, UIC_ARG_MIB(DME_LocalTC0ReplayTimeOutVal),
-			DL_TC0ReplayTimeOutVal_Default);
-	ufshcd_dme_set(hba, UIC_ARG_MIB(DME_LocalAFC0ReqTimeOutVal),
-			DL_AFC0ReqTimeOutVal_Default);
+	if (!(hba->quirks & UFSHCD_QUIRK_SKIP_DEF_UNIPRO_TIMEOUT_SETTING)) {
+		ufshcd_dme_set(hba, UIC_ARG_MIB(PA_PWRMODEUSERDATA0),
+				DL_FC0ProtectionTimeOutVal_Default);
+		ufshcd_dme_set(hba, UIC_ARG_MIB(PA_PWRMODEUSERDATA1),
+				DL_TC0ReplayTimeOutVal_Default);
+		ufshcd_dme_set(hba, UIC_ARG_MIB(PA_PWRMODEUSERDATA2),
+				DL_AFC0ReqTimeOutVal_Default);
+		ufshcd_dme_set(hba, UIC_ARG_MIB(PA_PWRMODEUSERDATA3),
+				DL_FC1ProtectionTimeOutVal_Default);
+		ufshcd_dme_set(hba, UIC_ARG_MIB(PA_PWRMODEUSERDATA4),
+				DL_TC1ReplayTimeOutVal_Default);
+		ufshcd_dme_set(hba, UIC_ARG_MIB(PA_PWRMODEUSERDATA5),
+				DL_AFC1ReqTimeOutVal_Default);
+
+		ufshcd_dme_set(hba, UIC_ARG_MIB(DME_LocalFC0ProtectionTimeOutVal),
+				DL_FC0ProtectionTimeOutVal_Default);
+		ufshcd_dme_set(hba, UIC_ARG_MIB(DME_LocalTC0ReplayTimeOutVal),
+				DL_TC0ReplayTimeOutVal_Default);
+		ufshcd_dme_set(hba, UIC_ARG_MIB(DME_LocalAFC0ReqTimeOutVal),
+				DL_AFC0ReqTimeOutVal_Default);
+	}
 
 	ret = ufshcd_uic_change_pwr_mode(hba, pwr_mode->pwr_rx << 4
 			| pwr_mode->pwr_tx);
@@ -4746,6 +4748,8 @@ static int ufshcd_slave_configure(struct scsi_device *sdev)
 	struct request_queue *q = sdev->request_queue;
 
 	blk_queue_update_dma_pad(q, PRDT_DATA_BYTE_COUNT_PAD - 1);
+	if (hba->quirks & UFSHCD_QUIRK_ALIGN_SG_WITH_PAGE_SIZE)
+		blk_queue_update_dma_alignment(q, PAGE_SIZE - 1);
 
 	if (ufshcd_is_rpm_autosuspend_allowed(hba))
 		sdev->rpm_autosuspend = 1;
diff --git a/drivers/scsi/ufs/ufshcd.h b/drivers/scsi/ufs/ufshcd.h
index 6c62a281c863..812aa348751e 100644
--- a/drivers/scsi/ufs/ufshcd.h
+++ b/drivers/scsi/ufs/ufshcd.h
@@ -544,6 +544,16 @@ enum ufshcd_quirks {
 	 */
 	UFSHCI_QUIRK_SKIP_MANUAL_WB_FLUSH_CTRL		= 1 << 12,
 
+	/*
+	 * This quirk needs to disable unipro timeout values
+	 * before power mode change
+	 */
+	UFSHCD_QUIRK_SKIP_DEF_UNIPRO_TIMEOUT_SETTING = 1 << 13,
+
+	/*
+	 * This quirk allows only sg entries aligned with page size.
+	 */
+	UFSHCD_QUIRK_ALIGN_SG_WITH_PAGE_SIZE		= 1 << 14,
 };
 
 enum ufshcd_caps {
diff --git a/drivers/usb/cdns3/core.c b/drivers/usb/cdns3/core.c
index 039ab5d2435e..6eeb7ed8e91f 100644
--- a/drivers/usb/cdns3/core.c
+++ b/drivers/usb/cdns3/core.c
@@ -569,7 +569,8 @@ static int cdns3_probe(struct platform_device *pdev)
 	device_set_wakeup_capable(dev, true);
 	pm_runtime_set_active(dev);
 	pm_runtime_enable(dev);
-	pm_runtime_forbid(dev);
+	if (!(cdns->pdata && (cdns->pdata->quirks & CDNS3_DEFAULT_PM_RUNTIME_ALLOW)))
+		pm_runtime_forbid(dev);
 
 	/*
 	 * The controller needs less time between bus and controller suspend,
diff --git a/drivers/usb/cdns3/core.h b/drivers/usb/cdns3/core.h
index 8a40d53d5ede..3176f924293a 100644
--- a/drivers/usb/cdns3/core.h
+++ b/drivers/usb/cdns3/core.h
@@ -42,6 +42,8 @@ struct cdns3_role_driver {
 struct cdns3_platform_data {
 	int (*platform_suspend)(struct device *dev,
 			bool suspend, bool wakeup);
+	unsigned long quirks;
+#define CDNS3_DEFAULT_PM_RUNTIME_ALLOW	BIT(0)
 };
 
 /**
@@ -73,6 +75,7 @@ struct cdns3_platform_data {
  * @wakeup_pending: wakeup interrupt pending
  * @pdata: platform data from glue layer
  * @lock: spinlock structure
+ * @xhci_plat_data: xhci private data structure pointer
  */
 struct cdns3 {
 	struct device			*dev;
@@ -106,6 +109,7 @@ struct cdns3 {
 	bool				wakeup_pending;
 	struct cdns3_platform_data	*pdata;
 	spinlock_t			lock;
+	struct xhci_plat_priv		*xhci_plat_data;
 };
 
 int cdns3_hw_role_switch(struct cdns3 *cdns);
diff --git a/drivers/usb/cdns3/host-export.h b/drivers/usb/cdns3/host-export.h
index ae11810f8826..26041718a086 100644
--- a/drivers/usb/cdns3/host-export.h
+++ b/drivers/usb/cdns3/host-export.h
@@ -9,9 +9,11 @@
 #ifndef __LINUX_CDNS3_HOST_EXPORT
 #define __LINUX_CDNS3_HOST_EXPORT
 
+struct usb_hcd;
 #ifdef CONFIG_USB_CDNS3_HOST
 
 int cdns3_host_init(struct cdns3 *cdns);
+int xhci_cdns3_suspend_quirk(struct usb_hcd *hcd);
 
 #else
 
@@ -21,6 +23,10 @@ static inline int cdns3_host_init(struct cdns3 *cdns)
 }
 
 static inline void cdns3_host_exit(struct cdns3 *cdns) { }
+static inline int xhci_cdns3_suspend_quirk(struct usb_hcd *hcd)
+{
+	return 0;
+}
 
 #endif /* CONFIG_USB_CDNS3_HOST */
 
diff --git a/drivers/usb/cdns3/host.c b/drivers/usb/cdns3/host.c
index b3e2cb69762c..102977790d60 100644
--- a/drivers/usb/cdns3/host.c
+++ b/drivers/usb/cdns3/host.c
@@ -14,6 +14,19 @@
 #include "drd.h"
 #include "host-export.h"
 #include <linux/usb/hcd.h>
+#include "../host/xhci.h"
+#include "../host/xhci-plat.h"
+
+#define XECP_PORT_CAP_REG	0x8000
+#define XECP_AUX_CTRL_REG1	0x8120
+
+#define CFG_RXDET_P3_EN		BIT(15)
+#define LPM_2_STB_SWITCH_EN	BIT(25)
+
+static const struct xhci_plat_priv xhci_plat_cdns3_xhci = {
+	.quirks = XHCI_SKIP_PHY_INIT,
+	.suspend_quirk = xhci_cdns3_suspend_quirk,
+};
 
 static int __cdns3_host_init(struct cdns3 *cdns)
 {
@@ -39,10 +52,25 @@ static int __cdns3_host_init(struct cdns3 *cdns)
 		goto err1;
 	}
 
+	cdns->xhci_plat_data = kmemdup(&xhci_plat_cdns3_xhci,
+			sizeof(struct xhci_plat_priv), GFP_KERNEL);
+	if (!cdns->xhci_plat_data) {
+		ret = -ENOMEM;
+		goto err1;
+	}
+
+	if (cdns->pdata && (cdns->pdata->quirks & CDNS3_DEFAULT_PM_RUNTIME_ALLOW))
+		cdns->xhci_plat_data->quirks |= XHCI_DEFAULT_PM_RUNTIME_ALLOW;
+
+	ret = platform_device_add_data(xhci, cdns->xhci_plat_data,
+			sizeof(struct xhci_plat_priv));
+	if (ret)
+		goto free_memory;
+
 	ret = platform_device_add(xhci);
 	if (ret) {
 		dev_err(cdns->dev, "failed to register xHCI device\n");
-		goto err1;
+		goto free_memory;
 	}
 
 	/* Glue needs to access xHCI region register for Power management */
@@ -51,13 +79,43 @@ static int __cdns3_host_init(struct cdns3 *cdns)
 		cdns->xhci_regs = hcd->regs;
 
 	return 0;
+
+free_memory:
+	kfree(cdns->xhci_plat_data);
 err1:
 	platform_device_put(xhci);
 	return ret;
 }
 
+int xhci_cdns3_suspend_quirk(struct usb_hcd *hcd)
+{
+	struct xhci_hcd	*xhci = hcd_to_xhci(hcd);
+	u32 value;
+
+	if (pm_runtime_status_suspended(hcd->self.controller))
+		return 0;
+
+	/* set usbcmd.EU3S */
+	value = readl(&xhci->op_regs->command);
+	value |= CMD_PM_INDEX;
+	writel(value, &xhci->op_regs->command);
+
+	if (hcd->regs) {
+		value = readl(hcd->regs + XECP_AUX_CTRL_REG1);
+		value |= CFG_RXDET_P3_EN;
+		writel(value, hcd->regs + XECP_AUX_CTRL_REG1);
+
+		value = readl(hcd->regs + XECP_PORT_CAP_REG);
+		value |= LPM_2_STB_SWITCH_EN;
+		writel(value, hcd->regs + XECP_PORT_CAP_REG);
+	}
+
+	return 0;
+}
+
 static void cdns3_host_exit(struct cdns3 *cdns)
 {
+	kfree(cdns->xhci_plat_data);
 	platform_device_unregister(cdns->host_dev);
 	cdns->host_dev = NULL;
 	cdns3_drd_host_off(cdns);
diff --git a/fs/btrfs/delayed-inode.c b/fs/btrfs/delayed-inode.c
index 36e0de34ec68..4e2cce5ca7f6 100644
--- a/fs/btrfs/delayed-inode.c
+++ b/fs/btrfs/delayed-inode.c
@@ -627,7 +627,8 @@ static int btrfs_delayed_inode_reserve_metadata(
 	 */
 	if (!src_rsv || (!trans->bytes_reserved &&
 			 src_rsv->type != BTRFS_BLOCK_RSV_DELALLOC)) {
-		ret = btrfs_qgroup_reserve_meta_prealloc(root, num_bytes, true);
+		ret = btrfs_qgroup_reserve_meta(root, num_bytes,
+					  BTRFS_QGROUP_RSV_META_PREALLOC, true);
 		if (ret < 0)
 			return ret;
 		ret = btrfs_block_rsv_add(root, dst_rsv, num_bytes,
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 9b3df72ceffb..cbeb0cdaca7a 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -5798,7 +5798,7 @@ static int btrfs_dirty_inode(struct inode *inode)
 		return PTR_ERR(trans);
 
 	ret = btrfs_update_inode(trans, root, inode);
-	if (ret && ret == -ENOSPC) {
+	if (ret && (ret == -ENOSPC || ret == -EDQUOT)) {
 		/* whoops, lets try again with the full transaction */
 		btrfs_end_transaction(trans);
 		trans = btrfs_start_transaction(root, 1);
diff --git a/fs/btrfs/qgroup.c b/fs/btrfs/qgroup.c
index d504a9a20751..cd9b1a16489b 100644
--- a/fs/btrfs/qgroup.c
+++ b/fs/btrfs/qgroup.c
@@ -3875,8 +3875,8 @@ static int sub_root_meta_rsv(struct btrfs_root *root, int num_bytes,
 	return num_bytes;
 }
 
-static int qgroup_reserve_meta(struct btrfs_root *root, int num_bytes,
-				enum btrfs_qgroup_rsv_type type, bool enforce)
+int btrfs_qgroup_reserve_meta(struct btrfs_root *root, int num_bytes,
+			      enum btrfs_qgroup_rsv_type type, bool enforce)
 {
 	struct btrfs_fs_info *fs_info = root->fs_info;
 	int ret;
@@ -3907,14 +3907,14 @@ int __btrfs_qgroup_reserve_meta(struct btrfs_root *root, int num_bytes,
 {
 	int ret;
 
-	ret = qgroup_reserve_meta(root, num_bytes, type, enforce);
+	ret = btrfs_qgroup_reserve_meta(root, num_bytes, type, enforce);
 	if (ret <= 0 && ret != -EDQUOT)
 		return ret;
 
 	ret = try_flush_qgroup(root);
 	if (ret < 0)
 		return ret;
-	return qgroup_reserve_meta(root, num_bytes, type, enforce);
+	return btrfs_qgroup_reserve_meta(root, num_bytes, type, enforce);
 }
 
 void btrfs_qgroup_free_meta_all_pertrans(struct btrfs_root *root)
diff --git a/fs/btrfs/qgroup.h b/fs/btrfs/qgroup.h
index 50dea9a2d8fb..7283e4f549af 100644
--- a/fs/btrfs/qgroup.h
+++ b/fs/btrfs/qgroup.h
@@ -361,6 +361,8 @@ int btrfs_qgroup_release_data(struct btrfs_inode *inode, u64 start, u64 len);
 int btrfs_qgroup_free_data(struct btrfs_inode *inode,
 			   struct extent_changeset *reserved, u64 start,
 			   u64 len);
+int btrfs_qgroup_reserve_meta(struct btrfs_root *root, int num_bytes,
+			      enum btrfs_qgroup_rsv_type type, bool enforce);
 int __btrfs_qgroup_reserve_meta(struct btrfs_root *root, int num_bytes,
 				enum btrfs_qgroup_rsv_type type, bool enforce);
 /* Reserve metadata space for pertrans and prealloc type */
diff --git a/include/linux/eeprom_93xx46.h b/include/linux/eeprom_93xx46.h
index eec7928ff8fe..99580c22f91a 100644
--- a/include/linux/eeprom_93xx46.h
+++ b/include/linux/eeprom_93xx46.h
@@ -16,6 +16,8 @@ struct eeprom_93xx46_platform_data {
 #define EEPROM_93XX46_QUIRK_SINGLE_WORD_READ		(1 << 0)
 /* Instructions such as EWEN are (addrlen + 2) in length. */
 #define EEPROM_93XX46_QUIRK_INSTRUCTION_LENGTH		(1 << 1)
+/* Add extra cycle after address during a read */
+#define EEPROM_93XX46_QUIRK_EXTRA_READ_CYCLE		BIT(2)
 
 	/*
 	 * optional hooks to control additional logic
diff --git a/include/linux/platform_data/ti-sysc.h b/include/linux/platform_data/ti-sysc.h
index 240dce553a0b..fafc1beea504 100644
--- a/include/linux/platform_data/ti-sysc.h
+++ b/include/linux/platform_data/ti-sysc.h
@@ -50,6 +50,7 @@ struct sysc_regbits {
 	s8 emufree_shift;
 };
 
+#define SYSC_QUIRK_GPMC_DEBUG		BIT(26)
 #define SYSC_MODULE_QUIRK_ENA_RESETDONE	BIT(25)
 #define SYSC_MODULE_QUIRK_PRUSS		BIT(24)
 #define SYSC_MODULE_QUIRK_DSS_RESET	BIT(23)
diff --git a/sound/soc/intel/boards/bytcr_rt5640.c b/sound/soc/intel/boards/bytcr_rt5640.c
index 3af4cb87032c..d56db9f34373 100644
--- a/sound/soc/intel/boards/bytcr_rt5640.c
+++ b/sound/soc/intel/boards/bytcr_rt5640.c
@@ -437,6 +437,18 @@ static const struct dmi_system_id byt_rt5640_quirk_table[] = {
 					BYT_RT5640_SSP0_AIF1 |
 					BYT_RT5640_MCLK_EN),
 	},
+	{
+		.matches = {
+			DMI_EXACT_MATCH(DMI_SYS_VENDOR, "ARCHOS"),
+			DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "ARCHOS 140 CESIUM"),
+		},
+		.driver_data = (void *)(BYT_RT5640_IN1_MAP |
+					BYT_RT5640_JD_SRC_JD2_IN4N |
+					BYT_RT5640_OVCD_TH_2000UA |
+					BYT_RT5640_OVCD_SF_0P75 |
+					BYT_RT5640_SSP0_AIF1 |
+					BYT_RT5640_MCLK_EN),
+	},
 	{
 		.matches = {
 			DMI_EXACT_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
diff --git a/sound/soc/intel/boards/sof_sdw.c b/sound/soc/intel/boards/sof_sdw.c
index 0f1d845a0cca..1d7677376e74 100644
--- a/sound/soc/intel/boards/sof_sdw.c
+++ b/sound/soc/intel/boards/sof_sdw.c
@@ -48,26 +48,14 @@ static int sof_sdw_quirk_cb(const struct dmi_system_id *id)
 }
 
 static const struct dmi_system_id sof_sdw_quirk_table[] = {
+	/* CometLake devices */
 	{
 		.callback = sof_sdw_quirk_cb,
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
-			DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0A3E")
-		},
-		.driver_data = (void *)(SOF_SDW_TGL_HDMI |
-					SOF_RT711_JD_SRC_JD2 |
-					SOF_RT715_DAI_ID_FIX),
-	},
-	{
-		.callback = sof_sdw_quirk_cb,
-		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
-			DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0A5E")
+			DMI_MATCH(DMI_SYS_VENDOR, "Intel Corporation"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "CometLake Client"),
 		},
-		.driver_data = (void *)(SOF_SDW_TGL_HDMI |
-					SOF_RT711_JD_SRC_JD2 |
-					SOF_RT715_DAI_ID_FIX |
-					SOF_SDW_FOUR_SPK),
+		.driver_data = (void *)SOF_SDW_PCH_DMIC,
 	},
 	{
 		.callback = sof_sdw_quirk_cb,
@@ -98,7 +86,7 @@ static const struct dmi_system_id sof_sdw_quirk_table[] = {
 					SOF_RT715_DAI_ID_FIX |
 					SOF_SDW_FOUR_SPK),
 	},
-		{
+	{
 		.callback = sof_sdw_quirk_cb,
 		.matches = {
 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
@@ -108,6 +96,16 @@ static const struct dmi_system_id sof_sdw_quirk_table[] = {
 					SOF_RT715_DAI_ID_FIX |
 					SOF_SDW_FOUR_SPK),
 	},
+	/* IceLake devices */
+	{
+		.callback = sof_sdw_quirk_cb,
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Intel Corporation"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "Ice Lake Client"),
+		},
+		.driver_data = (void *)SOF_SDW_PCH_DMIC,
+	},
+	/* TigerLake devices */
 	{
 		.callback = sof_sdw_quirk_cb,
 		.matches = {
@@ -123,18 +121,23 @@ static const struct dmi_system_id sof_sdw_quirk_table[] = {
 	{
 		.callback = sof_sdw_quirk_cb,
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "Intel Corporation"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "Ice Lake Client"),
+			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
+			DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0A3E")
 		},
-		.driver_data = (void *)SOF_SDW_PCH_DMIC,
+		.driver_data = (void *)(SOF_SDW_TGL_HDMI |
+					SOF_RT711_JD_SRC_JD2 |
+					SOF_RT715_DAI_ID_FIX),
 	},
 	{
 		.callback = sof_sdw_quirk_cb,
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "Intel Corporation"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "CometLake Client"),
+			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
+			DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0A5E")
 		},
-		.driver_data = (void *)SOF_SDW_PCH_DMIC,
+		.driver_data = (void *)(SOF_SDW_TGL_HDMI |
+					SOF_RT711_JD_SRC_JD2 |
+					SOF_RT715_DAI_ID_FIX |
+					SOF_SDW_FOUR_SPK),
 	},
 	{
 		.callback = sof_sdw_quirk_cb,
@@ -156,7 +159,34 @@ static const struct dmi_system_id sof_sdw_quirk_table[] = {
 					SOF_SDW_PCH_DMIC |
 					SOF_SDW_FOUR_SPK),
 	},
-
+	{
+		/*
+		 * this entry covers multiple HP SKUs. The family name
+		 * does not seem robust enough, so we use a partial
+		 * match that ignores the product name suffix
+		 * (e.g. 15-eb1xxx, 14t-ea000 or 13-aw2xxx)
+		 */
+		.callback = sof_sdw_quirk_cb,
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "HP"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "HP Spectre x360 Convertible"),
+		},
+		.driver_data = (void *)(SOF_SDW_TGL_HDMI |
+					SOF_SDW_PCH_DMIC |
+					SOF_RT711_JD_SRC_JD2),
+	},
+	/* TigerLake-SDCA devices */
+	{
+		.callback = sof_sdw_quirk_cb,
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
+			DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0A32")
+		},
+		.driver_data = (void *)(SOF_SDW_TGL_HDMI |
+					SOF_RT711_JD_SRC_JD2 |
+					SOF_RT715_DAI_ID_FIX |
+					SOF_SDW_FOUR_SPK),
+	},
 	{}
 };
 
diff --git a/sound/soc/sof/intel/Kconfig b/sound/soc/sof/intel/Kconfig
index de7ff2d097ab..6708a2c5a838 100644
--- a/sound/soc/sof/intel/Kconfig
+++ b/sound/soc/sof/intel/Kconfig
@@ -84,7 +84,7 @@ config SND_SOC_SOF_BAYTRAIL
 
 config SND_SOC_SOF_BROADWELL_SUPPORT
 	bool "SOF support for Broadwell"
-	depends on SND_SOC_INTEL_HASWELL=n
+	depends on SND_SOC_INTEL_CATPT=n
 	help
 	  This adds support for Sound Open Firmware for Intel(R) platforms
 	  using the Broadwell processors.
diff --git a/sound/usb/mixer_quirks.c b/sound/usb/mixer_quirks.c
index df036a359f2f..448de77f43fd 100644
--- a/sound/usb/mixer_quirks.c
+++ b/sound/usb/mixer_quirks.c
@@ -2603,141 +2603,251 @@ static int snd_bbfpro_controls_create(struct usb_mixer_interface *mixer)
 }
 
 /*
- * Pioneer DJ DJM-250MK2 and maybe other DJM models
+ * Pioneer DJ DJM Mixers
  *
- * For playback, no duplicate mapping should be set.
- * There are three mixer stereo channels (CH1, CH2, AUX)
- * and three stereo sources (Playback 1-2, Playback 3-4, Playback 5-6).
- * Each channel should be mapped just once to one source.
- * If mapped multiple times, only one source will play on given channel
- * (sources are not mixed together).
+ * These devices generally have options for soft-switching the playback and
+ * capture sources in addition to the recording level. Although different
+ * devices have different configurations, there seems to be canonical values
+ * for specific capture/playback types:  See the definitions of these below.
  *
- * For recording, duplicate mapping is OK. We will get the same signal multiple times.
- *
- * Channels 7-8 are in both directions fixed to FX SEND / FX RETURN.
- *
- * See also notes in the quirks-table.h file.
+ * The wValue is masked with the stereo channel number. e.g. Setting Ch2 to
+ * capture phono would be 0x0203. Capture, playback and capture level have
+ * different wIndexes.
  */
 
-struct snd_pioneer_djm_option {
-	const u16 wIndex;
-	const u16 wValue;
+// Capture types
+#define SND_DJM_CAP_LINE	0x00
+#define SND_DJM_CAP_CDLINE	0x01
+#define SND_DJM_CAP_DIGITAL	0x02
+#define SND_DJM_CAP_PHONO	0x03
+#define SND_DJM_CAP_PFADER	0x06
+#define SND_DJM_CAP_XFADERA	0x07
+#define SND_DJM_CAP_XFADERB	0x08
+#define SND_DJM_CAP_MIC		0x09
+#define SND_DJM_CAP_AUX		0x0d
+#define SND_DJM_CAP_RECOUT	0x0a
+#define SND_DJM_CAP_NONE	0x0f
+#define SND_DJM_CAP_CH1PFADER	0x11
+#define SND_DJM_CAP_CH2PFADER	0x12
+#define SND_DJM_CAP_CH3PFADER	0x13
+#define SND_DJM_CAP_CH4PFADER	0x14
+
+// Playback types
+#define SND_DJM_PB_CH1		0x00
+#define SND_DJM_PB_CH2		0x01
+#define SND_DJM_PB_AUX		0x04
+
+#define SND_DJM_WINDEX_CAP	0x8002
+#define SND_DJM_WINDEX_CAPLVL	0x8003
+#define SND_DJM_WINDEX_PB	0x8016
+
+// kcontrol->private_value layout
+#define SND_DJM_VALUE_MASK	0x0000ffff
+#define SND_DJM_GROUP_MASK	0x00ff0000
+#define SND_DJM_DEVICE_MASK	0xff000000
+#define SND_DJM_GROUP_SHIFT	16
+#define SND_DJM_DEVICE_SHIFT	24
+
+// device table index
+#define SND_DJM_250MK2_IDX	0x0
+#define SND_DJM_750_IDX		0x1
+#define SND_DJM_900NXS2_IDX	0x2
+
+
+#define SND_DJM_CTL(_name, suffix, _default_value, _windex) { \
+	.name = _name, \
+	.options = snd_djm_opts_##suffix, \
+	.noptions = ARRAY_SIZE(snd_djm_opts_##suffix), \
+	.default_value = _default_value, \
+	.wIndex = _windex }
+
+#define SND_DJM_DEVICE(suffix) { \
+	.controls = snd_djm_ctls_##suffix, \
+	.ncontrols = ARRAY_SIZE(snd_djm_ctls_##suffix) }
+
+
+struct snd_djm_device {
 	const char *name;
+	const struct snd_djm_ctl *controls;
+	size_t ncontrols;
 };
 
-static const struct snd_pioneer_djm_option snd_pioneer_djm_options_capture_level[] = {
-	{ .name =  "-5 dB",                  .wValue = 0x0300, .wIndex = 0x8003 },
-	{ .name = "-10 dB",                  .wValue = 0x0200, .wIndex = 0x8003 },
-	{ .name = "-15 dB",                  .wValue = 0x0100, .wIndex = 0x8003 },
-	{ .name = "-19 dB",                  .wValue = 0x0000, .wIndex = 0x8003 }
+struct snd_djm_ctl {
+	const char *name;
+	const u16 *options;
+	size_t noptions;
+	u16 default_value;
+	u16 wIndex;
 };
 
-static const struct snd_pioneer_djm_option snd_pioneer_djm_options_capture_ch12[] = {
-	{ .name =  "CH1 Control Tone PHONO", .wValue = 0x0103, .wIndex = 0x8002 },
-	{ .name =  "CH1 Control Tone LINE",  .wValue = 0x0100, .wIndex = 0x8002 },
-	{ .name =  "Post CH1 Fader",         .wValue = 0x0106, .wIndex = 0x8002 },
-	{ .name =  "Cross Fader A",          .wValue = 0x0107, .wIndex = 0x8002 },
-	{ .name =  "Cross Fader B",          .wValue = 0x0108, .wIndex = 0x8002 },
-	{ .name =  "MIC",                    .wValue = 0x0109, .wIndex = 0x8002 },
-	{ .name =  "AUX",                    .wValue = 0x010d, .wIndex = 0x8002 },
-	{ .name =  "REC OUT",                .wValue = 0x010a, .wIndex = 0x8002 }
+static const char *snd_djm_get_label_caplevel(u16 wvalue)
+{
+	switch (wvalue) {
+	case 0x0000:	return "-19dB";
+	case 0x0100:	return "-15dB";
+	case 0x0200:	return "-10dB";
+	case 0x0300:	return "-5dB";
+	default:	return NULL;
+	}
 };
 
-static const struct snd_pioneer_djm_option snd_pioneer_djm_options_capture_ch34[] = {
-	{ .name =  "CH2 Control Tone PHONO", .wValue = 0x0203, .wIndex = 0x8002 },
-	{ .name =  "CH2 Control Tone LINE",  .wValue = 0x0200, .wIndex = 0x8002 },
-	{ .name =  "Post CH2 Fader",         .wValue = 0x0206, .wIndex = 0x8002 },
-	{ .name =  "Cross Fader A",          .wValue = 0x0207, .wIndex = 0x8002 },
-	{ .name =  "Cross Fader B",          .wValue = 0x0208, .wIndex = 0x8002 },
-	{ .name =  "MIC",                    .wValue = 0x0209, .wIndex = 0x8002 },
-	{ .name =  "AUX",                    .wValue = 0x020d, .wIndex = 0x8002 },
-	{ .name =  "REC OUT",                .wValue = 0x020a, .wIndex = 0x8002 }
+static const char *snd_djm_get_label_cap(u16 wvalue)
+{
+	switch (wvalue & 0x00ff) {
+	case SND_DJM_CAP_LINE:		return "Control Tone LINE";
+	case SND_DJM_CAP_CDLINE:	return "Control Tone CD/LINE";
+	case SND_DJM_CAP_DIGITAL:	return "Control Tone DIGITAL";
+	case SND_DJM_CAP_PHONO:		return "Control Tone PHONO";
+	case SND_DJM_CAP_PFADER:	return "Post Fader";
+	case SND_DJM_CAP_XFADERA:	return "Cross Fader A";
+	case SND_DJM_CAP_XFADERB:	return "Cross Fader B";
+	case SND_DJM_CAP_MIC:		return "Mic";
+	case SND_DJM_CAP_RECOUT:	return "Rec Out";
+	case SND_DJM_CAP_AUX:		return "Aux";
+	case SND_DJM_CAP_NONE:		return "None";
+	case SND_DJM_CAP_CH1PFADER:	return "Post Fader Ch1";
+	case SND_DJM_CAP_CH2PFADER:	return "Post Fader Ch2";
+	case SND_DJM_CAP_CH3PFADER:	return "Post Fader Ch3";
+	case SND_DJM_CAP_CH4PFADER:	return "Post Fader Ch4";
+	default:			return NULL;
+	}
 };
 
-static const struct snd_pioneer_djm_option snd_pioneer_djm_options_capture_ch56[] = {
-	{ .name =  "REC OUT",                .wValue = 0x030a, .wIndex = 0x8002 },
-	{ .name =  "Post CH1 Fader",         .wValue = 0x0311, .wIndex = 0x8002 },
-	{ .name =  "Post CH2 Fader",         .wValue = 0x0312, .wIndex = 0x8002 },
-	{ .name =  "Cross Fader A",          .wValue = 0x0307, .wIndex = 0x8002 },
-	{ .name =  "Cross Fader B",          .wValue = 0x0308, .wIndex = 0x8002 },
-	{ .name =  "MIC",                    .wValue = 0x0309, .wIndex = 0x8002 },
-	{ .name =  "AUX",                    .wValue = 0x030d, .wIndex = 0x8002 }
+static const char *snd_djm_get_label_pb(u16 wvalue)
+{
+	switch (wvalue & 0x00ff) {
+	case SND_DJM_PB_CH1:	return "Ch1";
+	case SND_DJM_PB_CH2:	return "Ch2";
+	case SND_DJM_PB_AUX:	return "Aux";
+	default:		return NULL;
+	}
 };
 
-static const struct snd_pioneer_djm_option snd_pioneer_djm_options_playback_12[] = {
-	{ .name =  "CH1",                    .wValue = 0x0100, .wIndex = 0x8016 },
-	{ .name =  "CH2",                    .wValue = 0x0101, .wIndex = 0x8016 },
-	{ .name =  "AUX",                    .wValue = 0x0104, .wIndex = 0x8016 }
+static const char *snd_djm_get_label(u16 wvalue, u16 windex)
+{
+	switch (windex) {
+	case SND_DJM_WINDEX_CAPLVL:	return snd_djm_get_label_caplevel(wvalue);
+	case SND_DJM_WINDEX_CAP:	return snd_djm_get_label_cap(wvalue);
+	case SND_DJM_WINDEX_PB:		return snd_djm_get_label_pb(wvalue);
+	default:			return NULL;
+	}
 };
 
-static const struct snd_pioneer_djm_option snd_pioneer_djm_options_playback_34[] = {
-	{ .name =  "CH1",                    .wValue = 0x0200, .wIndex = 0x8016 },
-	{ .name =  "CH2",                    .wValue = 0x0201, .wIndex = 0x8016 },
-	{ .name =  "AUX",                    .wValue = 0x0204, .wIndex = 0x8016 }
+
+// DJM-250MK2
+static const u16 snd_djm_opts_cap_level[] = {
+	0x0000, 0x0100, 0x0200, 0x0300 };
+
+static const u16 snd_djm_opts_250mk2_cap1[] = {
+	0x0103, 0x0100, 0x0106, 0x0107, 0x0108, 0x0109, 0x010d, 0x010a };
+
+static const u16 snd_djm_opts_250mk2_cap2[] = {
+	0x0203, 0x0200, 0x0206, 0x0207, 0x0208, 0x0209, 0x020d, 0x020a };
+
+static const u16 snd_djm_opts_250mk2_cap3[] = {
+	0x030a, 0x0311, 0x0312, 0x0307, 0x0308, 0x0309, 0x030d };
+
+static const u16 snd_djm_opts_250mk2_pb1[] = { 0x0100, 0x0101, 0x0104 };
+static const u16 snd_djm_opts_250mk2_pb2[] = { 0x0200, 0x0201, 0x0204 };
+static const u16 snd_djm_opts_250mk2_pb3[] = { 0x0300, 0x0301, 0x0304 };
+
+static const struct snd_djm_ctl snd_djm_ctls_250mk2[] = {
+	SND_DJM_CTL("Capture Level", cap_level, 0, SND_DJM_WINDEX_CAPLVL),
+	SND_DJM_CTL("Ch1 Input",   250mk2_cap1, 2, SND_DJM_WINDEX_CAP),
+	SND_DJM_CTL("Ch2 Input",   250mk2_cap2, 2, SND_DJM_WINDEX_CAP),
+	SND_DJM_CTL("Ch3 Input",   250mk2_cap3, 0, SND_DJM_WINDEX_CAP),
+	SND_DJM_CTL("Ch1 Output",   250mk2_pb1, 0, SND_DJM_WINDEX_PB),
+	SND_DJM_CTL("Ch2 Output",   250mk2_pb2, 1, SND_DJM_WINDEX_PB),
+	SND_DJM_CTL("Ch3 Output",   250mk2_pb3, 2, SND_DJM_WINDEX_PB)
 };
 
-static const struct snd_pioneer_djm_option snd_pioneer_djm_options_playback_56[] = {
-	{ .name =  "CH1",                    .wValue = 0x0300, .wIndex = 0x8016 },
-	{ .name =  "CH2",                    .wValue = 0x0301, .wIndex = 0x8016 },
-	{ .name =  "AUX",                    .wValue = 0x0304, .wIndex = 0x8016 }
+
+// DJM-750
+static const u16 snd_djm_opts_750_cap1[] = {
+	0x0101, 0x0103, 0x0106, 0x0107, 0x0108, 0x0109, 0x010a, 0x010f };
+static const u16 snd_djm_opts_750_cap2[] = {
+	0x0200, 0x0201, 0x0206, 0x0207, 0x0208, 0x0209, 0x020a, 0x020f };
+static const u16 snd_djm_opts_750_cap3[] = {
+	0x0300, 0x0301, 0x0306, 0x0307, 0x0308, 0x0309, 0x030a, 0x030f };
+static const u16 snd_djm_opts_750_cap4[] = {
+	0x0401, 0x0403, 0x0406, 0x0407, 0x0408, 0x0409, 0x040a, 0x040f };
+
+static const struct snd_djm_ctl snd_djm_ctls_750[] = {
+	SND_DJM_CTL("Capture Level", cap_level, 0, SND_DJM_WINDEX_CAPLVL),
+	SND_DJM_CTL("Ch1 Input",   750_cap1, 2, SND_DJM_WINDEX_CAP),
+	SND_DJM_CTL("Ch2 Input",   750_cap2, 2, SND_DJM_WINDEX_CAP),
+	SND_DJM_CTL("Ch3 Input",   750_cap3, 0, SND_DJM_WINDEX_CAP),
+	SND_DJM_CTL("Ch4 Input",   750_cap4, 0, SND_DJM_WINDEX_CAP)
 };
 
-struct snd_pioneer_djm_option_group {
-	const char *name;
-	const struct snd_pioneer_djm_option *options;
-	const size_t count;
-	const u16 default_value;
+
+// DJM-900NXS2
+static const u16 snd_djm_opts_900nxs2_cap1[] = {
+	0x0100, 0x0102, 0x0103, 0x0106, 0x0107, 0x0108, 0x0109, 0x010a };
+static const u16 snd_djm_opts_900nxs2_cap2[] = {
+	0x0200, 0x0202, 0x0203, 0x0206, 0x0207, 0x0208, 0x0209, 0x020a };
+static const u16 snd_djm_opts_900nxs2_cap3[] = {
+	0x0300, 0x0302, 0x0303, 0x0306, 0x0307, 0x0308, 0x0309, 0x030a };
+static const u16 snd_djm_opts_900nxs2_cap4[] = {
+	0x0400, 0x0402, 0x0403, 0x0406, 0x0407, 0x0408, 0x0409, 0x040a };
+static const u16 snd_djm_opts_900nxs2_cap5[] = {
+	0x0507, 0x0508, 0x0509, 0x050a, 0x0511, 0x0512, 0x0513, 0x0514 };
+
+static const struct snd_djm_ctl snd_djm_ctls_900nxs2[] = {
+	SND_DJM_CTL("Capture Level", cap_level, 0, SND_DJM_WINDEX_CAPLVL),
+	SND_DJM_CTL("Ch1 Input",   900nxs2_cap1, 2, SND_DJM_WINDEX_CAP),
+	SND_DJM_CTL("Ch2 Input",   900nxs2_cap2, 2, SND_DJM_WINDEX_CAP),
+	SND_DJM_CTL("Ch3 Input",   900nxs2_cap3, 2, SND_DJM_WINDEX_CAP),
+	SND_DJM_CTL("Ch4 Input",   900nxs2_cap4, 2, SND_DJM_WINDEX_CAP),
+	SND_DJM_CTL("Ch5 Input",   900nxs2_cap5, 3, SND_DJM_WINDEX_CAP)
 };
 
-#define snd_pioneer_djm_option_group_item(_name, suffix, _default_value) { \
-	.name = _name, \
-	.options = snd_pioneer_djm_options_##suffix, \
-	.count = ARRAY_SIZE(snd_pioneer_djm_options_##suffix), \
-	.default_value = _default_value }
-
-static const struct snd_pioneer_djm_option_group snd_pioneer_djm_option_groups[] = {
-	snd_pioneer_djm_option_group_item("Master Capture Level Capture Switch", capture_level, 0),
-	snd_pioneer_djm_option_group_item("Capture 1-2 Capture Switch",          capture_ch12,  2),
-	snd_pioneer_djm_option_group_item("Capture 3-4 Capture Switch",          capture_ch34,  2),
-	snd_pioneer_djm_option_group_item("Capture 5-6 Capture Switch",          capture_ch56,  0),
-	snd_pioneer_djm_option_group_item("Playback 1-2 Playback Switch",        playback_12,   0),
-	snd_pioneer_djm_option_group_item("Playback 3-4 Playback Switch",        playback_34,   1),
-	snd_pioneer_djm_option_group_item("Playback 5-6 Playback Switch",        playback_56,   2)
+
+static const struct snd_djm_device snd_djm_devices[] = {
+	SND_DJM_DEVICE(250mk2),
+	SND_DJM_DEVICE(750),
+	SND_DJM_DEVICE(900nxs2)
 };
 
-// layout of the kcontrol->private_value:
-#define SND_PIONEER_DJM_VALUE_MASK 0x0000ffff
-#define SND_PIONEER_DJM_GROUP_MASK 0xffff0000
-#define SND_PIONEER_DJM_GROUP_SHIFT 16
 
-static int snd_pioneer_djm_controls_info(struct snd_kcontrol *kctl, struct snd_ctl_elem_info *info)
+static int snd_djm_controls_info(struct snd_kcontrol *kctl,
+				struct snd_ctl_elem_info *info)
 {
-	u16 group_index = kctl->private_value >> SND_PIONEER_DJM_GROUP_SHIFT;
-	size_t count;
+	unsigned long private_value = kctl->private_value;
+	u8 device_idx = (private_value & SND_DJM_DEVICE_MASK) >> SND_DJM_DEVICE_SHIFT;
+	u8 ctl_idx = (private_value & SND_DJM_GROUP_MASK) >> SND_DJM_GROUP_SHIFT;
+	const struct snd_djm_device *device = &snd_djm_devices[device_idx];
 	const char *name;
-	const struct snd_pioneer_djm_option_group *group;
+	const struct snd_djm_ctl *ctl;
+	size_t noptions;
 
-	if (group_index >= ARRAY_SIZE(snd_pioneer_djm_option_groups))
+	if (ctl_idx >= device->ncontrols)
+		return -EINVAL;
+
+	ctl = &device->controls[ctl_idx];
+	noptions = ctl->noptions;
+	if (info->value.enumerated.item >= noptions)
+		info->value.enumerated.item = noptions - 1;
+
+	name = snd_djm_get_label(ctl->options[info->value.enumerated.item],
+				ctl->wIndex);
+	if (!name)
 		return -EINVAL;
 
-	group = &snd_pioneer_djm_option_groups[group_index];
-	count = group->count;
-	if (info->value.enumerated.item >= count)
-		info->value.enumerated.item = count - 1;
-	name = group->options[info->value.enumerated.item].name;
 	strlcpy(info->value.enumerated.name, name, sizeof(info->value.enumerated.name));
 	info->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
 	info->count = 1;
-	info->value.enumerated.items = count;
+	info->value.enumerated.items = noptions;
 	return 0;
 }
 
-static int snd_pioneer_djm_controls_update(struct usb_mixer_interface *mixer, u16 group, u16 value)
+static int snd_djm_controls_update(struct usb_mixer_interface *mixer,
+				u8 device_idx, u8 group, u16 value)
 {
 	int err;
+	const struct snd_djm_device *device = &snd_djm_devices[device_idx];
 
-	if (group >= ARRAY_SIZE(snd_pioneer_djm_option_groups)
-			|| value >= snd_pioneer_djm_option_groups[group].count)
+	if ((group >= device->ncontrols) || value >= device->controls[group].noptions)
 		return -EINVAL;
 
 	err = snd_usb_lock_shutdown(mixer->chip);
@@ -2748,63 +2858,76 @@ static int snd_pioneer_djm_controls_update(struct usb_mixer_interface *mixer, u1
 		mixer->chip->dev, usb_sndctrlpipe(mixer->chip->dev, 0),
 		USB_REQ_SET_FEATURE,
 		USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
-		snd_pioneer_djm_option_groups[group].options[value].wValue,
-		snd_pioneer_djm_option_groups[group].options[value].wIndex,
+		device->controls[group].options[value],
+		device->controls[group].wIndex,
 		NULL, 0);
 
 	snd_usb_unlock_shutdown(mixer->chip);
 	return err;
 }
 
-static int snd_pioneer_djm_controls_get(struct snd_kcontrol *kctl, struct snd_ctl_elem_value *elem)
+static int snd_djm_controls_get(struct snd_kcontrol *kctl,
+				struct snd_ctl_elem_value *elem)
 {
-	elem->value.enumerated.item[0] = kctl->private_value & SND_PIONEER_DJM_VALUE_MASK;
+	elem->value.enumerated.item[0] = kctl->private_value & SND_DJM_VALUE_MASK;
 	return 0;
 }
 
-static int snd_pioneer_djm_controls_put(struct snd_kcontrol *kctl, struct snd_ctl_elem_value *elem)
+static int snd_djm_controls_put(struct snd_kcontrol *kctl, struct snd_ctl_elem_value *elem)
 {
 	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kctl);
 	struct usb_mixer_interface *mixer = list->mixer;
 	unsigned long private_value = kctl->private_value;
-	u16 group = (private_value & SND_PIONEER_DJM_GROUP_MASK) >> SND_PIONEER_DJM_GROUP_SHIFT;
+
+	u8 device = (private_value & SND_DJM_DEVICE_MASK) >> SND_DJM_DEVICE_SHIFT;
+	u8 group = (private_value & SND_DJM_GROUP_MASK) >> SND_DJM_GROUP_SHIFT;
 	u16 value = elem->value.enumerated.item[0];
 
-	kctl->private_value = (group << SND_PIONEER_DJM_GROUP_SHIFT) | value;
+	kctl->private_value = ((device << SND_DJM_DEVICE_SHIFT) |
+			      (group << SND_DJM_GROUP_SHIFT) |
+			      value);
 
-	return snd_pioneer_djm_controls_update(mixer, group, value);
+	return snd_djm_controls_update(mixer, device, group, value);
 }
 
-static int snd_pioneer_djm_controls_resume(struct usb_mixer_elem_list *list)
+static int snd_djm_controls_resume(struct usb_mixer_elem_list *list)
 {
 	unsigned long private_value = list->kctl->private_value;
-	u16 group = (private_value & SND_PIONEER_DJM_GROUP_MASK) >> SND_PIONEER_DJM_GROUP_SHIFT;
-	u16 value = (private_value & SND_PIONEER_DJM_VALUE_MASK);
+	u8 device = (private_value & SND_DJM_DEVICE_MASK) >> SND_DJM_DEVICE_SHIFT;
+	u8 group = (private_value & SND_DJM_GROUP_MASK) >> SND_DJM_GROUP_SHIFT;
+	u16 value = (private_value & SND_DJM_VALUE_MASK);
 
-	return snd_pioneer_djm_controls_update(list->mixer, group, value);
+	return snd_djm_controls_update(list->mixer, device, group, value);
 }
 
-static int snd_pioneer_djm_controls_create(struct usb_mixer_interface *mixer)
+static int snd_djm_controls_create(struct usb_mixer_interface *mixer,
+		const u8 device_idx)
 {
 	int err, i;
-	const struct snd_pioneer_djm_option_group *group;
+	u16 value;
+
+	const struct snd_djm_device *device = &snd_djm_devices[device_idx];
+
 	struct snd_kcontrol_new knew = {
 		.iface  = SNDRV_CTL_ELEM_IFACE_MIXER,
 		.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
 		.index = 0,
-		.info = snd_pioneer_djm_controls_info,
-		.get  = snd_pioneer_djm_controls_get,
-		.put  = snd_pioneer_djm_controls_put
+		.info = snd_djm_controls_info,
+		.get  = snd_djm_controls_get,
+		.put  = snd_djm_controls_put
 	};
 
-	for (i = 0; i < ARRAY_SIZE(snd_pioneer_djm_option_groups); i++) {
-		group = &snd_pioneer_djm_option_groups[i];
-		knew.name = group->name;
-		knew.private_value = (i << SND_PIONEER_DJM_GROUP_SHIFT) | group->default_value;
-		err = snd_pioneer_djm_controls_update(mixer, i, group->default_value);
+	for (i = 0; i < device->ncontrols; i++) {
+		value = device->controls[i].default_value;
+		knew.name = device->controls[i].name;
+		knew.private_value = (
+			(device_idx << SND_DJM_DEVICE_SHIFT) |
+			(i << SND_DJM_GROUP_SHIFT) |
+			value);
+		err = snd_djm_controls_update(mixer, device_idx, i, value);
 		if (err)
 			return err;
-		err = add_single_ctl_with_resume(mixer, 0, snd_pioneer_djm_controls_resume,
+		err = add_single_ctl_with_resume(mixer, 0, snd_djm_controls_resume,
 						 &knew, NULL);
 		if (err)
 			return err;
@@ -2917,7 +3040,13 @@ int snd_usb_mixer_apply_create_quirk(struct usb_mixer_interface *mixer)
 		err = snd_bbfpro_controls_create(mixer);
 		break;
 	case USB_ID(0x2b73, 0x0017): /* Pioneer DJ DJM-250MK2 */
-		err = snd_pioneer_djm_controls_create(mixer);
+		err = snd_djm_controls_create(mixer, SND_DJM_250MK2_IDX);
+		break;
+	case USB_ID(0x08e4, 0x017f): /* Pioneer DJ DJM-750 */
+		err = snd_djm_controls_create(mixer, SND_DJM_750_IDX);
+		break;
+	case USB_ID(0x2b73, 0x000a): /* Pioneer DJ DJM-900NXS2 */
+		err = snd_djm_controls_create(mixer, SND_DJM_900NXS2_IDX);
 		break;
 	}