12 files changed, 304 insertions, 281 deletions

diff --git a/drivers/acpi/acpi_lpss.c b/drivers/acpi/acpi_lpss.c
index 77186f084d3a..539e700de4d2 100644
--- a/drivers/acpi/acpi_lpss.c
+++ b/drivers/acpi/acpi_lpss.c
@@ -201,11 +201,19 @@ static void byt_i2c_setup(struct lpss_private_data *pdata)
 	writel(0, pdata->mmio_base + LPSS_I2C_ENABLE);
 }
 
-/* BSW PWM used for backlight control by the i915 driver */
+/*
+ * BSW PWM1 is used for backlight control by the i915 driver
+ * BSW PWM2 is used for backlight control for fixed (etched into the glass)
+ * touch controls on some models. These touch-controls have specialized
+ * drivers which know they need the "pwm_soc_lpss_2" con-id.
+ */
 static struct pwm_lookup bsw_pwm_lookup[] = {
 	PWM_LOOKUP_WITH_MODULE("80862288:00", 0, "0000:00:02.0",
 			       "pwm_soc_backlight", 0, PWM_POLARITY_NORMAL,
 			       "pwm-lpss-platform"),
+	PWM_LOOKUP_WITH_MODULE("80862289:00", 0, NULL,
+			       "pwm_soc_lpss_2", 0, PWM_POLARITY_NORMAL,
+			       "pwm-lpss-platform"),
 };
 
 static void bsw_pwm_setup(struct lpss_private_data *pdata)
diff --git a/drivers/acpi/acpica/achware.h b/drivers/acpi/acpica/achware.h
index ebf8fd373cf7..79bbfe00d241 100644
--- a/drivers/acpi/acpica/achware.h
+++ b/drivers/acpi/acpica/achware.h
@@ -101,8 +101,6 @@ acpi_status
 acpi_hw_get_gpe_status(struct acpi_gpe_event_info *gpe_event_info,
 		       acpi_event_status *event_status);
 
-acpi_status acpi_hw_disable_all_gpes(void);
-
 acpi_status acpi_hw_enable_all_runtime_gpes(void);
 
 acpi_status acpi_hw_enable_all_wakeup_gpes(void);
diff --git a/drivers/acpi/button.c b/drivers/acpi/button.c
index 952ecfa1cf85..1e76a64cce0a 100644
--- a/drivers/acpi/button.c
+++ b/drivers/acpi/button.c
@@ -78,6 +78,15 @@ static const struct dmi_system_id dmi_lid_quirks[] = {
 		.driver_data = (void *)(long)ACPI_BUTTON_LID_INIT_DISABLED,
 	},
 	{
+		/* Nextbook Ares 8A tablet, _LID device always reports lid closed */
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Insyde"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "CherryTrail"),
+			DMI_MATCH(DMI_BIOS_VERSION, "M882"),
+		},
+		.driver_data = (void *)(long)ACPI_BUTTON_LID_INIT_DISABLED,
+	},
+	{
 		/*
 		 * Lenovo Yoga 9 14ITL5, initial notification of the LID device
 		 * never happens.
diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
index 928899ab9502..8569f55e55b6 100644
--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -662,21 +662,6 @@ static void advance_transaction(struct acpi_ec *ec, bool interrupt)
 
 	ec_dbg_stm("%s (%d)", interrupt ? "IRQ" : "TASK", smp_processor_id());
 
-	/*
-	 * Clear GPE_STS upfront to allow subsequent hardware GPE_STS 0->1
-	 * changes to always trigger a GPE interrupt.
-	 *
-	 * GPE STS is a W1C register, which means:
-	 *
-	 * 1. Software can clear it without worrying about clearing the other
-	 *    GPEs' STS bits when the hardware sets them in parallel.
-	 *
-	 * 2. As long as software can ensure only clearing it when it is set,
-	 *    hardware won't set it in parallel.
-	 */
-	if (ec->gpe >= 0 && acpi_ec_gpe_status_set(ec))
-		acpi_clear_gpe(NULL, ec->gpe);
-
 	status = acpi_ec_read_status(ec);
 
 	/*
@@ -1287,6 +1272,22 @@ static void acpi_ec_handle_interrupt(struct acpi_ec *ec)
 	unsigned long flags;
 
 	spin_lock_irqsave(&ec->lock, flags);
+
+	/*
+	 * Clear GPE_STS upfront to allow subsequent hardware GPE_STS 0->1
+	 * changes to always trigger a GPE interrupt.
+	 *
+	 * GPE STS is a W1C register, which means:
+	 *
+	 * 1. Software can clear it without worrying about clearing the other
+	 *    GPEs' STS bits when the hardware sets them in parallel.
+	 *
+	 * 2. As long as software can ensure only clearing it when it is set,
+	 *    hardware won't set it in parallel.
+	 */
+	if (ec->gpe >= 0 && acpi_ec_gpe_status_set(ec))
+		acpi_clear_gpe(NULL, ec->gpe);
+
 	advance_transaction(ec, true);
 	spin_unlock_irqrestore(&ec->lock, flags);
 }
diff --git a/drivers/acpi/nfit/nfit.h b/drivers/acpi/nfit/nfit.h
index 6023ad61831a..573bc0de2990 100644
--- a/drivers/acpi/nfit/nfit.h
+++ b/drivers/acpi/nfit/nfit.h
@@ -347,4 +347,6 @@ int acpi_nfit_ctl(struct nvdimm_bus_descriptor *nd_desc, struct nvdimm *nvdimm,
 void acpi_nfit_desc_init(struct acpi_nfit_desc *acpi_desc, struct device *dev);
 bool intel_fwa_supported(struct nvdimm_bus *nvdimm_bus);
 extern struct device_attribute dev_attr_firmware_activate_noidle;
+void nfit_intel_shutdown_status(struct nfit_mem *nfit_mem);
+
 #endif /* __NFIT_H__ */
diff --git a/drivers/acpi/resource.c b/drivers/acpi/resource.c
index 0800a9d77558..1dd8d5aebf67 100644
--- a/drivers/acpi/resource.c
+++ b/drivers/acpi/resource.c
@@ -470,52 +470,6 @@ static const struct dmi_system_id asus_laptop[] = {
 	{ }
 };
 
-static const struct dmi_system_id lenovo_laptop[] = {
-	{
-		.ident = "LENOVO IdeaPad Flex 5 14ALC7",
-		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "82R9"),
-		},
-	},
-	{
-		.ident = "LENOVO IdeaPad Flex 5 16ALC7",
-		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "82RA"),
-		},
-	},
-	{ }
-};
-
-static const struct dmi_system_id tongfang_gm_rg[] = {
-	{
-		.ident = "TongFang GMxRGxx/XMG CORE 15 (M22)/TUXEDO Stellaris 15 Gen4 AMD",
-		.matches = {
-			DMI_MATCH(DMI_BOARD_NAME, "GMxRGxx"),
-		},
-	},
-	{ }
-};
-
-static const struct dmi_system_id maingear_laptop[] = {
-	{
-		.ident = "MAINGEAR Vector Pro 2 15",
-		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "Micro Electronics Inc"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "MG-VCP2-15A3070T"),
-		}
-	},
-	{
-		.ident = "MAINGEAR Vector Pro 2 17",
-		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "Micro Electronics Inc"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "MG-VCP2-17A3070T"),
-		},
-	},
-	{ }
-};
-
 static const struct dmi_system_id lg_laptop[] = {
 	{
 		.ident = "LG Electronics 17U70P",
@@ -539,10 +493,6 @@ struct irq_override_cmp {
 static const struct irq_override_cmp override_table[] = {
 	{ medion_laptop, 1, ACPI_LEVEL_SENSITIVE, ACPI_ACTIVE_LOW, 0, false },
 	{ asus_laptop, 1, ACPI_LEVEL_SENSITIVE, ACPI_ACTIVE_LOW, 0, false },
-	{ lenovo_laptop, 6, ACPI_LEVEL_SENSITIVE, ACPI_ACTIVE_LOW, 0, true },
-	{ lenovo_laptop, 10, ACPI_LEVEL_SENSITIVE, ACPI_ACTIVE_LOW, 0, true },
-	{ tongfang_gm_rg, 1, ACPI_EDGE_SENSITIVE, ACPI_ACTIVE_LOW, 1, true },
-	{ maingear_laptop, 1, ACPI_EDGE_SENSITIVE, ACPI_ACTIVE_LOW, 1, true },
 	{ lg_laptop, 1, ACPI_LEVEL_SENSITIVE, ACPI_ACTIVE_LOW, 0, false },
 };
 
@@ -562,16 +512,6 @@ static bool acpi_dev_irq_override(u32 gsi, u8 triggering, u8 polarity,
 			return entry->override;
 	}
 
-#ifdef CONFIG_X86
-	/*
-	 * IRQ override isn't needed on modern AMD Zen systems and
-	 * this override breaks active low IRQs on AMD Ryzen 6000 and
-	 * newer systems. Skip it.
-	 */
-	if (boot_cpu_has(X86_FEATURE_ZEN))
-		return false;
-#endif
-
 	return true;
 }
 
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index 0c6f06abe3f4..1c3e1e2bb0b5 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -2029,8 +2029,6 @@ static u32 acpi_scan_check_dep(acpi_handle handle, bool check_dep)
 	return count;
 }
 
-static bool acpi_bus_scan_second_pass;
-
 static acpi_status acpi_bus_check_add(acpi_handle handle, bool check_dep,
 				      struct acpi_device **adev_p)
 {
@@ -2050,10 +2048,8 @@ static acpi_status acpi_bus_check_add(acpi_handle handle, bool check_dep,
 			return AE_OK;
 
 		/* Bail out if there are dependencies. */
-		if (acpi_scan_check_dep(handle, check_dep) > 0) {
-			acpi_bus_scan_second_pass = true;
+		if (acpi_scan_check_dep(handle, check_dep) > 0)
 			return AE_CTRL_DEPTH;
-		}
 
 		fallthrough;
 	case ACPI_TYPE_ANY:	/* for ACPI_ROOT_OBJECT */
@@ -2301,6 +2297,12 @@ static bool acpi_scan_clear_dep_queue(struct acpi_device *adev)
 	return true;
 }
 
+static void acpi_scan_delete_dep_data(struct acpi_dep_data *dep)
+{
+	list_del(&dep->node);
+	kfree(dep);
+}
+
 static int acpi_scan_clear_dep(struct acpi_dep_data *dep, void *data)
 {
 	struct acpi_device *adev = acpi_get_acpi_dev(dep->consumer);
@@ -2311,8 +2313,10 @@ static int acpi_scan_clear_dep(struct acpi_dep_data *dep, void *data)
 			acpi_dev_put(adev);
 	}
 
-	list_del(&dep->node);
-	kfree(dep);
+	if (dep->free_when_met)
+		acpi_scan_delete_dep_data(dep);
+	else
+		dep->met = true;
 
 	return 0;
 }
@@ -2406,6 +2410,55 @@ struct acpi_device *acpi_dev_get_next_consumer_dev(struct acpi_device *supplier,
 }
 EXPORT_SYMBOL_GPL(acpi_dev_get_next_consumer_dev);
 
+static void acpi_scan_postponed_branch(acpi_handle handle)
+{
+	struct acpi_device *adev = NULL;
+
+	if (ACPI_FAILURE(acpi_bus_check_add(handle, false, &adev)))
+		return;
+
+	acpi_walk_namespace(ACPI_TYPE_ANY, handle, ACPI_UINT32_MAX,
+			    acpi_bus_check_add_2, NULL, NULL, (void **)&adev);
+	acpi_bus_attach(adev, NULL);
+}
+
+static void acpi_scan_postponed(void)
+{
+	struct acpi_dep_data *dep, *tmp;
+
+	mutex_lock(&acpi_dep_list_lock);
+
+	list_for_each_entry_safe(dep, tmp, &acpi_dep_list, node) {
+		acpi_handle handle = dep->consumer;
+
+		/*
+		 * In case there are multiple acpi_dep_list entries with the
+		 * same consumer, skip the current entry if the consumer device
+		 * object corresponding to it is present already.
+		 */
+		if (!acpi_fetch_acpi_dev(handle)) {
+			/*
+			 * Even though the lock is released here, tmp is
+			 * guaranteed to be valid, because none of the list
+			 * entries following dep is marked as "free when met"
+			 * and so they cannot be deleted.
+			 */
+			mutex_unlock(&acpi_dep_list_lock);
+
+			acpi_scan_postponed_branch(handle);
+
+			mutex_lock(&acpi_dep_list_lock);
+		}
+
+		if (dep->met)
+			acpi_scan_delete_dep_data(dep);
+		else
+			dep->free_when_met = true;
+	}
+
+	mutex_unlock(&acpi_dep_list_lock);
+}
+
 /**
  * acpi_bus_scan - Add ACPI device node objects in a given namespace scope.
  * @handle: Root of the namespace scope to scan.
@@ -2424,8 +2477,6 @@ int acpi_bus_scan(acpi_handle handle)
 {
 	struct acpi_device *device = NULL;
 
-	acpi_bus_scan_second_pass = false;
-
 	/* Pass 1: Avoid enumerating devices with missing dependencies. */
 
 	if (ACPI_SUCCESS(acpi_bus_check_add(handle, true, &device)))
@@ -2438,19 +2489,9 @@ int acpi_bus_scan(acpi_handle handle)
 
 	acpi_bus_attach(device, (void *)true);
 
-	if (!acpi_bus_scan_second_pass)
-		return 0;
-
 	/* Pass 2: Enumerate all of the remaining devices. */
 
-	device = NULL;
-
-	if (ACPI_SUCCESS(acpi_bus_check_add(handle, false, &device)))
-		acpi_walk_namespace(ACPI_TYPE_ANY, handle, ACPI_UINT32_MAX,
-				    acpi_bus_check_add_2, NULL, NULL,
-				    (void **)&device);
-
-	acpi_bus_attach(device, NULL);
+	acpi_scan_postponed();
 
 	return 0;
 }
diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c
index 72470b9f16c4..808484d11209 100644
--- a/drivers/acpi/sleep.c
+++ b/drivers/acpi/sleep.c
@@ -636,11 +636,19 @@ static int acpi_suspend_enter(suspend_state_t pm_state)
 	}
 
 	/*
-	 * Disable and clear GPE status before interrupt is enabled. Some GPEs
-	 * (like wakeup GPE) haven't handler, this can avoid such GPE misfire.
-	 * acpi_leave_sleep_state will reenable specific GPEs later
+	 * Disable all GPE and clear their status bits before interrupts are
+	 * enabled. Some GPEs (like wakeup GPEs) have no handlers and this can
+	 * prevent them from producing spurious interrups.
+	 *
+	 * acpi_leave_sleep_state() will reenable specific GPEs later.
+	 *
+	 * Because this code runs on one CPU with disabled interrupts (all of
+	 * the other CPUs are offline at this time), it need not acquire any
+	 * sleeping locks which may trigger an implicit preemption point even
+	 * if there is no contention, so avoid doing that by using a low-level
+	 * library routine here.
 	 */
-	acpi_disable_all_gpes();
+	acpi_hw_disable_all_gpes();
 	/* Allow EC transactions to happen. */
 	acpi_ec_unblock_transactions();
 
@@ -840,7 +848,7 @@ void __weak acpi_s2idle_setup(void)
 	s2idle_set_ops(&acpi_s2idle_ops);
 }
 
-static void acpi_sleep_suspend_setup(void)
+static void __init acpi_sleep_suspend_setup(void)
 {
 	bool suspend_ops_needed = false;
 	int i;
diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c
index 4720a3649a61..f9f6ebb08fdb 100644
--- a/drivers/acpi/thermal.c
+++ b/drivers/acpi/thermal.c
@@ -40,12 +40,35 @@
 #define ACPI_THERMAL_NOTIFY_HOT		0xF1
 #define ACPI_THERMAL_MODE_ACTIVE	0x00
 
-#define ACPI_THERMAL_MAX_ACTIVE	10
-#define ACPI_THERMAL_MAX_LIMIT_STR_LEN 65
+#define ACPI_THERMAL_MAX_ACTIVE		10
+#define ACPI_THERMAL_MAX_LIMIT_STR_LEN	65
 
-MODULE_AUTHOR("Paul Diefenbaugh");
-MODULE_DESCRIPTION("ACPI Thermal Zone Driver");
-MODULE_LICENSE("GPL");
+#define ACPI_TRIPS_CRITICAL	BIT(0)
+#define ACPI_TRIPS_HOT		BIT(1)
+#define ACPI_TRIPS_PASSIVE	BIT(2)
+#define ACPI_TRIPS_ACTIVE	BIT(3)
+#define ACPI_TRIPS_DEVICES	BIT(4)
+
+#define ACPI_TRIPS_THRESHOLDS	(ACPI_TRIPS_PASSIVE | ACPI_TRIPS_ACTIVE)
+
+#define ACPI_TRIPS_INIT		(ACPI_TRIPS_CRITICAL | ACPI_TRIPS_HOT | \
+				 ACPI_TRIPS_PASSIVE | ACPI_TRIPS_ACTIVE | \
+				 ACPI_TRIPS_DEVICES)
+
+/*
+ * This exception is thrown out in two cases:
+ * 1.An invalid trip point becomes invalid or a valid trip point becomes invalid
+ *   when re-evaluating the AML code.
+ * 2.TODO: Devices listed in _PSL, _ALx, _TZD may change.
+ *   We need to re-bind the cooling devices of a thermal zone when this occurs.
+ */
+#define ACPI_THERMAL_TRIPS_EXCEPTION(flags, tz, str) \
+do { \
+	if (flags != ACPI_TRIPS_INIT) \
+		acpi_handle_info(tz->device->handle, \
+			"ACPI thermal trip point %s changed\n" \
+			"Please report to linux-acpi@vger.kernel.org\n", str); \
+} while (0)
 
 static int act;
 module_param(act, int, 0644);
@@ -73,75 +96,30 @@ MODULE_PARM_DESC(psv, "Disable or override all passive trip points.");
 
 static struct workqueue_struct *acpi_thermal_pm_queue;
 
-static int acpi_thermal_add(struct acpi_device *device);
-static void acpi_thermal_remove(struct acpi_device *device);
-static void acpi_thermal_notify(struct acpi_device *device, u32 event);
-
-static const struct acpi_device_id  thermal_device_ids[] = {
-	{ACPI_THERMAL_HID, 0},
-	{"", 0},
-};
-MODULE_DEVICE_TABLE(acpi, thermal_device_ids);
-
-#ifdef CONFIG_PM_SLEEP
-static int acpi_thermal_suspend(struct device *dev);
-static int acpi_thermal_resume(struct device *dev);
-#else
-#define acpi_thermal_suspend NULL
-#define acpi_thermal_resume NULL
-#endif
-static SIMPLE_DEV_PM_OPS(acpi_thermal_pm, acpi_thermal_suspend, acpi_thermal_resume);
-
-static struct acpi_driver acpi_thermal_driver = {
-	.name = "thermal",
-	.class = ACPI_THERMAL_CLASS,
-	.ids = thermal_device_ids,
-	.ops = {
-		.add = acpi_thermal_add,
-		.remove = acpi_thermal_remove,
-		.notify = acpi_thermal_notify,
-		},
-	.drv.pm = &acpi_thermal_pm,
-};
-
-struct acpi_thermal_state {
-	u8 critical:1;
-	u8 hot:1;
-	u8 passive:1;
-	u8 active:1;
-	u8 reserved:4;
-	int active_index;
-};
-
-struct acpi_thermal_state_flags {
-	u8 valid:1;
-	u8 enabled:1;
-	u8 reserved:6;
-};
-
 struct acpi_thermal_critical {
-	struct acpi_thermal_state_flags flags;
 	unsigned long temperature;
+	bool valid;
 };
 
 struct acpi_thermal_hot {
-	struct acpi_thermal_state_flags flags;
 	unsigned long temperature;
+	bool valid;
 };
 
 struct acpi_thermal_passive {
-	struct acpi_thermal_state_flags flags;
+	struct acpi_handle_list devices;
 	unsigned long temperature;
 	unsigned long tc1;
 	unsigned long tc2;
 	unsigned long tsp;
-	struct acpi_handle_list devices;
+	bool valid;
 };
 
 struct acpi_thermal_active {
-	struct acpi_thermal_state_flags flags;
-	unsigned long temperature;
 	struct acpi_handle_list devices;
+	unsigned long temperature;
+	bool valid;
+	bool enabled;
 };
 
 struct acpi_thermal_trips {
@@ -151,12 +129,6 @@ struct acpi_thermal_trips {
 	struct acpi_thermal_active active[ACPI_THERMAL_MAX_ACTIVE];
 };
 
-struct acpi_thermal_flags {
-	u8 cooling_mode:1;	/* _SCP */
-	u8 devices:1;		/* _TZD */
-	u8 reserved:6;
-};
-
 struct acpi_thermal {
 	struct acpi_device *device;
 	acpi_bus_id name;
@@ -164,8 +136,6 @@ struct acpi_thermal {
 	unsigned long last_temperature;
 	unsigned long polling_frequency;
 	volatile u8 zombie;
-	struct acpi_thermal_flags flags;
-	struct acpi_thermal_state state;
 	struct acpi_thermal_trips trips;
 	struct acpi_handle_list devices;
 	struct thermal_zone_device *thermal_zone;
@@ -220,52 +190,12 @@ static int acpi_thermal_get_polling_frequency(struct acpi_thermal *tz)
 	return 0;
 }
 
-static int acpi_thermal_set_cooling_mode(struct acpi_thermal *tz, int mode)
-{
-	if (!tz)
-		return -EINVAL;
-
-	if (ACPI_FAILURE(acpi_execute_simple_method(tz->device->handle,
-						    "_SCP", mode)))
-		return -ENODEV;
-
-	return 0;
-}
-
-#define ACPI_TRIPS_CRITICAL	0x01
-#define ACPI_TRIPS_HOT		0x02
-#define ACPI_TRIPS_PASSIVE	0x04
-#define ACPI_TRIPS_ACTIVE	0x08
-#define ACPI_TRIPS_DEVICES	0x10
-
-#define ACPI_TRIPS_REFRESH_THRESHOLDS	(ACPI_TRIPS_PASSIVE | ACPI_TRIPS_ACTIVE)
-#define ACPI_TRIPS_REFRESH_DEVICES	ACPI_TRIPS_DEVICES
-
-#define ACPI_TRIPS_INIT      (ACPI_TRIPS_CRITICAL | ACPI_TRIPS_HOT |	\
-			      ACPI_TRIPS_PASSIVE | ACPI_TRIPS_ACTIVE |	\
-			      ACPI_TRIPS_DEVICES)
-
-/*
- * This exception is thrown out in two cases:
- * 1.An invalid trip point becomes invalid or a valid trip point becomes invalid
- *   when re-evaluating the AML code.
- * 2.TODO: Devices listed in _PSL, _ALx, _TZD may change.
- *   We need to re-bind the cooling devices of a thermal zone when this occurs.
- */
-#define ACPI_THERMAL_TRIPS_EXCEPTION(flags, tz, str)	\
-do {	\
-	if (flags != ACPI_TRIPS_INIT)	\
-		acpi_handle_info(tz->device->handle,	\
-		"ACPI thermal trip point %s changed\n"	\
-		"Please report to linux-acpi@vger.kernel.org\n", str); \
-} while (0)
-
 static int acpi_thermal_trips_update(struct acpi_thermal *tz, int flag)
 {
 	acpi_status status;
 	unsigned long long tmp;
 	struct acpi_handle_list devices;
-	int valid = 0;
+	bool valid = false;
 	int i;
 
 	/* Critical Shutdown */
@@ -279,21 +209,21 @@ static int acpi_thermal_trips_update(struct acpi_thermal *tz, int flag)
 		 * ... so lets discard those as invalid.
 		 */
 		if (ACPI_FAILURE(status)) {
-			tz->trips.critical.flags.valid = 0;
+			tz->trips.critical.valid = false;
 			acpi_handle_debug(tz->device->handle,
 					  "No critical threshold\n");
 		} else if (tmp <= 2732) {
 			pr_info(FW_BUG "Invalid critical threshold (%llu)\n", tmp);
-			tz->trips.critical.flags.valid = 0;
+			tz->trips.critical.valid = false;
 		} else {
-			tz->trips.critical.flags.valid = 1;
+			tz->trips.critical.valid = true;
 			acpi_handle_debug(tz->device->handle,
 					  "Found critical threshold [%lu]\n",
 					  tz->trips.critical.temperature);
 		}
-		if (tz->trips.critical.flags.valid) {
+		if (tz->trips.critical.valid) {
 			if (crt == -1) {
-				tz->trips.critical.flags.valid = 0;
+				tz->trips.critical.valid = false;
 			} else if (crt > 0) {
 				unsigned long crt_k = celsius_to_deci_kelvin(crt);
 
@@ -312,12 +242,12 @@ static int acpi_thermal_trips_update(struct acpi_thermal *tz, int flag)
 	if (flag & ACPI_TRIPS_HOT) {
 		status = acpi_evaluate_integer(tz->device->handle, "_HOT", NULL, &tmp);
 		if (ACPI_FAILURE(status)) {
-			tz->trips.hot.flags.valid = 0;
+			tz->trips.hot.valid = false;
 			acpi_handle_debug(tz->device->handle,
 					  "No hot threshold\n");
 		} else {
 			tz->trips.hot.temperature = tmp;
-			tz->trips.hot.flags.valid = 1;
+			tz->trips.hot.valid = true;
 			acpi_handle_debug(tz->device->handle,
 					  "Found hot threshold [%lu]\n",
 					  tz->trips.hot.temperature);
@@ -325,9 +255,9 @@ static int acpi_thermal_trips_update(struct acpi_thermal *tz, int flag)
 	}
 
 	/* Passive (optional) */
-	if (((flag & ACPI_TRIPS_PASSIVE) && tz->trips.passive.flags.valid) ||
+	if (((flag & ACPI_TRIPS_PASSIVE) && tz->trips.passive.valid) ||
 	    flag == ACPI_TRIPS_INIT) {
-		valid = tz->trips.passive.flags.valid;
+		valid = tz->trips.passive.valid;
 		if (psv == -1) {
 			status = AE_SUPPORT;
 		} else if (psv > 0) {
@@ -339,44 +269,44 @@ static int acpi_thermal_trips_update(struct acpi_thermal *tz, int flag)
 		}
 
 		if (ACPI_FAILURE(status)) {
-			tz->trips.passive.flags.valid = 0;
+			tz->trips.passive.valid = false;
 		} else {
 			tz->trips.passive.temperature = tmp;
-			tz->trips.passive.flags.valid = 1;
+			tz->trips.passive.valid = true;
 			if (flag == ACPI_TRIPS_INIT) {
 				status = acpi_evaluate_integer(tz->device->handle,
 							       "_TC1", NULL, &tmp);
 				if (ACPI_FAILURE(status))
-					tz->trips.passive.flags.valid = 0;
+					tz->trips.passive.valid = false;
 				else
 					tz->trips.passive.tc1 = tmp;
 
 				status = acpi_evaluate_integer(tz->device->handle,
 							       "_TC2", NULL, &tmp);
 				if (ACPI_FAILURE(status))
-					tz->trips.passive.flags.valid = 0;
+					tz->trips.passive.valid = false;
 				else
 					tz->trips.passive.tc2 = tmp;
 
 				status = acpi_evaluate_integer(tz->device->handle,
 							       "_TSP", NULL, &tmp);
 				if (ACPI_FAILURE(status))
-					tz->trips.passive.flags.valid = 0;
+					tz->trips.passive.valid = false;
 				else
 					tz->trips.passive.tsp = tmp;
 			}
 		}
 	}
-	if ((flag & ACPI_TRIPS_DEVICES) && tz->trips.passive.flags.valid) {
+	if ((flag & ACPI_TRIPS_DEVICES) && tz->trips.passive.valid) {
 		memset(&devices, 0, sizeof(struct acpi_handle_list));
 		status = acpi_evaluate_reference(tz->device->handle, "_PSL",
 						 NULL, &devices);
 		if (ACPI_FAILURE(status)) {
 			acpi_handle_info(tz->device->handle,
 					 "Invalid passive threshold\n");
-			tz->trips.passive.flags.valid = 0;
+			tz->trips.passive.valid = false;
 		} else {
-			tz->trips.passive.flags.valid = 1;
+			tz->trips.passive.valid = true;
 		}
 
 		if (memcmp(&tz->trips.passive.devices, &devices,
@@ -387,24 +317,24 @@ static int acpi_thermal_trips_update(struct acpi_thermal *tz, int flag)
 		}
 	}
 	if ((flag & ACPI_TRIPS_PASSIVE) || (flag & ACPI_TRIPS_DEVICES)) {
-		if (valid != tz->trips.passive.flags.valid)
+		if (valid != tz->trips.passive.valid)
 			ACPI_THERMAL_TRIPS_EXCEPTION(flag, tz, "state");
 	}
 
 	/* Active (optional) */
 	for (i = 0; i < ACPI_THERMAL_MAX_ACTIVE; i++) {
 		char name[5] = { '_', 'A', 'C', ('0' + i), '\0' };
-		valid = tz->trips.active[i].flags.valid;
+		valid = tz->trips.active[i].valid;
 
 		if (act == -1)
 			break; /* disable all active trip points */
 
 		if (flag == ACPI_TRIPS_INIT || ((flag & ACPI_TRIPS_ACTIVE) &&
-		    tz->trips.active[i].flags.valid)) {
+		    tz->trips.active[i].valid)) {
 			status = acpi_evaluate_integer(tz->device->handle,
 						       name, NULL, &tmp);
 			if (ACPI_FAILURE(status)) {
-				tz->trips.active[i].flags.valid = 0;
+				tz->trips.active[i].valid = false;
 				if (i == 0)
 					break;
 
@@ -426,21 +356,21 @@ static int acpi_thermal_trips_update(struct acpi_thermal *tz, int flag)
 				break;
 			} else {
 				tz->trips.active[i].temperature = tmp;
-				tz->trips.active[i].flags.valid = 1;
+				tz->trips.active[i].valid = true;
 			}
 		}
 
 		name[2] = 'L';
-		if ((flag & ACPI_TRIPS_DEVICES) && tz->trips.active[i].flags.valid) {
+		if ((flag & ACPI_TRIPS_DEVICES) && tz->trips.active[i].valid) {
 			memset(&devices, 0, sizeof(struct acpi_handle_list));
 			status = acpi_evaluate_reference(tz->device->handle,
 							 name, NULL, &devices);
 			if (ACPI_FAILURE(status)) {
 				acpi_handle_info(tz->device->handle,
 						 "Invalid active%d threshold\n", i);
-				tz->trips.active[i].flags.valid = 0;
+				tz->trips.active[i].valid = false;
 			} else {
-				tz->trips.active[i].flags.valid = 1;
+				tz->trips.active[i].valid = true;
 			}
 
 			if (memcmp(&tz->trips.active[i].devices, &devices,
@@ -451,10 +381,10 @@ static int acpi_thermal_trips_update(struct acpi_thermal *tz, int flag)
 			}
 		}
 		if ((flag & ACPI_TRIPS_ACTIVE) || (flag & ACPI_TRIPS_DEVICES))
-			if (valid != tz->trips.active[i].flags.valid)
+			if (valid != tz->trips.active[i].valid)
 				ACPI_THERMAL_TRIPS_EXCEPTION(flag, tz, "state");
 
-		if (!tz->trips.active[i].flags.valid)
+		if (!tz->trips.active[i].valid)
 			break;
 	}
 
@@ -474,17 +404,18 @@ static int acpi_thermal_trips_update(struct acpi_thermal *tz, int flag)
 
 static int acpi_thermal_get_trip_points(struct acpi_thermal *tz)
 {
-	int i, valid, ret = acpi_thermal_trips_update(tz, ACPI_TRIPS_INIT);
+	int i, ret = acpi_thermal_trips_update(tz, ACPI_TRIPS_INIT);
+	bool valid;
 
 	if (ret)
 		return ret;
 
-	valid = tz->trips.critical.flags.valid |
-		tz->trips.hot.flags.valid |
-		tz->trips.passive.flags.valid;
+	valid = tz->trips.critical.valid |
+		tz->trips.hot.valid |
+		tz->trips.passive.valid;
 
 	for (i = 0; i < ACPI_THERMAL_MAX_ACTIVE; i++)
-		valid |= tz->trips.active[i].flags.valid;
+		valid = valid || tz->trips.active[i].valid;
 
 	if (!valid) {
 		pr_warn(FW_BUG "No valid trip found\n");
@@ -521,7 +452,7 @@ static int thermal_get_trip_type(struct thermal_zone_device *thermal,
 	if (!tz || trip < 0)
 		return -EINVAL;
 
-	if (tz->trips.critical.flags.valid) {
+	if (tz->trips.critical.valid) {
 		if (!trip) {
 			*type = THERMAL_TRIP_CRITICAL;
 			return 0;
@@ -529,7 +460,7 @@ static int thermal_get_trip_type(struct thermal_zone_device *thermal,
 		trip--;
 	}
 
-	if (tz->trips.hot.flags.valid) {
+	if (tz->trips.hot.valid) {
 		if (!trip) {
 			*type = THERMAL_TRIP_HOT;
 			return 0;
@@ -537,7 +468,7 @@ static int thermal_get_trip_type(struct thermal_zone_device *thermal,
 		trip--;
 	}
 
-	if (tz->trips.passive.flags.valid) {
+	if (tz->trips.passive.valid) {
 		if (!trip) {
 			*type = THERMAL_TRIP_PASSIVE;
 			return 0;
@@ -545,7 +476,7 @@ static int thermal_get_trip_type(struct thermal_zone_device *thermal,
 		trip--;
 	}
 
-	for (i = 0; i < ACPI_THERMAL_MAX_ACTIVE && tz->trips.active[i].flags.valid; i++) {
+	for (i = 0; i < ACPI_THERMAL_MAX_ACTIVE && tz->trips.active[i].valid; i++) {
 		if (!trip) {
 			*type = THERMAL_TRIP_ACTIVE;
 			return 0;
@@ -565,7 +496,7 @@ static int thermal_get_trip_temp(struct thermal_zone_device *thermal,
 	if (!tz || trip < 0)
 		return -EINVAL;
 
-	if (tz->trips.critical.flags.valid) {
+	if (tz->trips.critical.valid) {
 		if (!trip) {
 			*temp = deci_kelvin_to_millicelsius_with_offset(
 					tz->trips.critical.temperature,
@@ -575,7 +506,7 @@ static int thermal_get_trip_temp(struct thermal_zone_device *thermal,
 		trip--;
 	}
 
-	if (tz->trips.hot.flags.valid) {
+	if (tz->trips.hot.valid) {
 		if (!trip) {
 			*temp = deci_kelvin_to_millicelsius_with_offset(
 					tz->trips.hot.temperature,
@@ -585,7 +516,7 @@ static int thermal_get_trip_temp(struct thermal_zone_device *thermal,
 		trip--;
 	}
 
-	if (tz->trips.passive.flags.valid) {
+	if (tz->trips.passive.valid) {
 		if (!trip) {
 			*temp = deci_kelvin_to_millicelsius_with_offset(
 					tz->trips.passive.temperature,
@@ -596,7 +527,7 @@ static int thermal_get_trip_temp(struct thermal_zone_device *thermal,
 	}
 
 	for (i = 0; i < ACPI_THERMAL_MAX_ACTIVE &&
-		tz->trips.active[i].flags.valid; i++) {
+		tz->trips.active[i].valid; i++) {
 		if (!trip) {
 			*temp = deci_kelvin_to_millicelsius_with_offset(
 					tz->trips.active[i].temperature,
@@ -614,7 +545,7 @@ static int thermal_get_crit_temp(struct thermal_zone_device *thermal,
 {
 	struct acpi_thermal *tz = thermal_zone_device_priv(thermal);
 
-	if (tz->trips.critical.flags.valid) {
+	if (tz->trips.critical.valid) {
 		*temperature = deci_kelvin_to_millicelsius_with_offset(
 					tz->trips.critical.temperature,
 					tz->kelvin_offset);
@@ -700,13 +631,13 @@ static int acpi_thermal_cooling_device_cb(struct thermal_zone_device *thermal,
 	int trip = -1;
 	int result = 0;
 
-	if (tz->trips.critical.flags.valid)
+	if (tz->trips.critical.valid)
 		trip++;
 
-	if (tz->trips.hot.flags.valid)
+	if (tz->trips.hot.valid)
 		trip++;
 
-	if (tz->trips.passive.flags.valid) {
+	if (tz->trips.passive.valid) {
 		trip++;
 		for (i = 0; i < tz->trips.passive.devices.count; i++) {
 			handle = tz->trips.passive.devices.handles[i];
@@ -731,7 +662,7 @@ static int acpi_thermal_cooling_device_cb(struct thermal_zone_device *thermal,
 	}
 
 	for (i = 0; i < ACPI_THERMAL_MAX_ACTIVE; i++) {
-		if (!tz->trips.active[i].flags.valid)
+		if (!tz->trips.active[i].valid)
 			break;
 
 		trip++;
@@ -819,19 +750,19 @@ static int acpi_thermal_register_thermal_zone(struct acpi_thermal *tz)
 	acpi_status status;
 	int i;
 
-	if (tz->trips.critical.flags.valid)
+	if (tz->trips.critical.valid)
 		trips++;
 
-	if (tz->trips.hot.flags.valid)
+	if (tz->trips.hot.valid)
 		trips++;
 
-	if (tz->trips.passive.flags.valid)
+	if (tz->trips.passive.valid)
 		trips++;
 
-	for (i = 0; i < ACPI_THERMAL_MAX_ACTIVE && tz->trips.active[i].flags.valid;
+	for (i = 0; i < ACPI_THERMAL_MAX_ACTIVE && tz->trips.active[i].valid;
 	     i++, trips++);
 
-	if (tz->trips.passive.flags.valid)
+	if (tz->trips.passive.valid)
 		tz->thermal_zone = thermal_zone_device_register("acpitz", trips, 0, tz,
 								&acpi_thermal_zone_ops, NULL,
 								tz->trips.passive.tsp * 100,
@@ -906,13 +837,13 @@ static void acpi_thermal_notify(struct acpi_device *device, u32 event)
 		acpi_queue_thermal_check(tz);
 		break;
 	case ACPI_THERMAL_NOTIFY_THRESHOLDS:
-		acpi_thermal_trips_update(tz, ACPI_TRIPS_REFRESH_THRESHOLDS);
+		acpi_thermal_trips_update(tz, ACPI_TRIPS_THRESHOLDS);
 		acpi_queue_thermal_check(tz);
 		acpi_bus_generate_netlink_event(device->pnp.device_class,
 						dev_name(&device->dev), event, 0);
 		break;
 	case ACPI_THERMAL_NOTIFY_DEVICES:
-		acpi_thermal_trips_update(tz, ACPI_TRIPS_REFRESH_DEVICES);
+		acpi_thermal_trips_update(tz, ACPI_TRIPS_DEVICES);
 		acpi_queue_thermal_check(tz);
 		acpi_bus_generate_netlink_event(device->pnp.device_class,
 						dev_name(&device->dev), event, 0);
@@ -976,9 +907,8 @@ static int acpi_thermal_get_info(struct acpi_thermal *tz)
 		return result;
 
 	/* Set the cooling mode [_SCP] to active cooling (default) */
-	result = acpi_thermal_set_cooling_mode(tz, ACPI_THERMAL_MODE_ACTIVE);
-	if (!result)
-		tz->flags.cooling_mode = 1;
+	acpi_execute_simple_method(tz->device->handle, "_SCP",
+				   ACPI_THERMAL_MODE_ACTIVE);
 
 	/* Get default polling frequency [_TZP] (optional) */
 	if (tzp)
@@ -1001,7 +931,7 @@ static int acpi_thermal_get_info(struct acpi_thermal *tz)
  */
 static void acpi_thermal_guess_offset(struct acpi_thermal *tz)
 {
-	if (tz->trips.critical.flags.valid &&
+	if (tz->trips.critical.valid &&
 	    (tz->trips.critical.temperature % 5) == 1)
 		tz->kelvin_offset = 273100;
 	else
@@ -1110,27 +1040,48 @@ static int acpi_thermal_resume(struct device *dev)
 		return -EINVAL;
 
 	for (i = 0; i < ACPI_THERMAL_MAX_ACTIVE; i++) {
-		if (!tz->trips.active[i].flags.valid)
+		if (!tz->trips.active[i].valid)
 			break;
 
-		tz->trips.active[i].flags.enabled = 1;
+		tz->trips.active[i].enabled = true;
 		for (j = 0; j < tz->trips.active[i].devices.count; j++) {
 			result = acpi_bus_update_power(
 					tz->trips.active[i].devices.handles[j],
 					&power_state);
 			if (result || (power_state != ACPI_STATE_D0)) {
-				tz->trips.active[i].flags.enabled = 0;
+				tz->trips.active[i].enabled = false;
 				break;
 			}
 		}
-		tz->state.active |= tz->trips.active[i].flags.enabled;
 	}
 
 	acpi_queue_thermal_check(tz);
 
 	return AE_OK;
 }
+#else
+#define acpi_thermal_suspend	NULL
+#define acpi_thermal_resume	NULL
 #endif
+static SIMPLE_DEV_PM_OPS(acpi_thermal_pm, acpi_thermal_suspend, acpi_thermal_resume);
+
+static const struct acpi_device_id  thermal_device_ids[] = {
+	{ACPI_THERMAL_HID, 0},
+	{"", 0},
+};
+MODULE_DEVICE_TABLE(acpi, thermal_device_ids);
+
+static struct acpi_driver acpi_thermal_driver = {
+	.name = "thermal",
+	.class = ACPI_THERMAL_CLASS,
+	.ids = thermal_device_ids,
+	.ops = {
+		.add = acpi_thermal_add,
+		.remove = acpi_thermal_remove,
+		.notify = acpi_thermal_notify,
+		},
+	.drv.pm = &acpi_thermal_pm,
+};
 
 static int thermal_act(const struct dmi_system_id *d) {
 	if (act == 0) {
@@ -1236,3 +1187,7 @@ static void __exit acpi_thermal_exit(void)
 
 module_init(acpi_thermal_init);
 module_exit(acpi_thermal_exit);
+
+MODULE_AUTHOR("Paul Diefenbaugh");
+MODULE_DESCRIPTION("ACPI Thermal Zone Driver");
+MODULE_LICENSE("GPL");
diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c
index bcc25d457581..18cc08c858cf 100644
--- a/drivers/acpi/video_detect.c
+++ b/drivers/acpi/video_detect.c
@@ -471,6 +471,22 @@ static const struct dmi_system_id video_detect_dmi_table[] = {
 		},
 	},
 	{
+	 .callback = video_detect_force_native,
+	 /* Lenovo ThinkPad X131e (3371 AMD version) */
+	 .matches = {
+		DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+		DMI_MATCH(DMI_PRODUCT_NAME, "3371"),
+		},
+	},
+	{
+	 .callback = video_detect_force_native,
+	 /* Apple iMac11,3 */
+	 .matches = {
+		DMI_MATCH(DMI_SYS_VENDOR, "Apple Inc."),
+		DMI_MATCH(DMI_PRODUCT_NAME, "iMac11,3"),
+		},
+	},
+	{
 	 /* https://bugzilla.redhat.com/show_bug.cgi?id=1217249 */
 	 .callback = video_detect_force_native,
 	 /* Apple MacBook Pro 12,1 */
@@ -514,6 +530,14 @@ static const struct dmi_system_id video_detect_dmi_table[] = {
 	},
 	{
 	 .callback = video_detect_force_native,
+	 /* Dell Studio 1569 */
+	 .matches = {
+		DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+		DMI_MATCH(DMI_PRODUCT_NAME, "Studio 1569"),
+		},
+	},
+	{
+	 .callback = video_detect_force_native,
 	 /* Acer Aspire 3830TG */
 	 .matches = {
 		DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
@@ -828,6 +852,27 @@ enum acpi_backlight_type __acpi_video_get_backlight_type(bool native, bool *auto
 	if (native_available)
 		return acpi_backlight_native;
 
+	/*
+	 * The vendor specific BIOS interfaces are only necessary for
+	 * laptops from before ~2008.
+	 *
+	 * For laptops from ~2008 till ~2023 this point is never reached
+	 * because on those (video_caps & ACPI_VIDEO_BACKLIGHT) above is true.
+	 *
+	 * Laptops from after ~2023 no longer support ACPI_VIDEO_BACKLIGHT,
+	 * if this point is reached on those, this likely means that
+	 * the GPU kms driver which sets native_available has not loaded yet.
+	 *
+	 * Returning acpi_backlight_vendor in this case is known to sometimes
+	 * cause a non working vendor specific /sys/class/backlight device to
+	 * get registered.
+	 *
+	 * Return acpi_backlight_none on laptops with ACPI tables written
+	 * for Windows 8 (laptops from after ~2012) to avoid this problem.
+	 */
+	if (acpi_osi_is_win8())
+		return acpi_backlight_none;
+
 	/* No ACPI video/native (old hw), use vendor specific fw methods. */
 	return acpi_backlight_vendor;
 }
diff --git a/drivers/acpi/x86/s2idle.c b/drivers/acpi/x86/s2idle.c
index e499c60c4579..7214197c15a0 100644
--- a/drivers/acpi/x86/s2idle.c
+++ b/drivers/acpi/x86/s2idle.c
@@ -485,11 +485,11 @@ int acpi_s2idle_prepare_late(void)
 					ACPI_LPS0_ENTRY,
 					lps0_dsm_func_mask, lps0_dsm_guid);
 	if (lps0_dsm_func_mask_microsoft > 0) {
-		acpi_sleep_run_lps0_dsm(ACPI_LPS0_ENTRY,
-				lps0_dsm_func_mask_microsoft, lps0_dsm_guid_microsoft);
 		/* modern standby entry */
 		acpi_sleep_run_lps0_dsm(ACPI_LPS0_MS_ENTRY,
 				lps0_dsm_func_mask_microsoft, lps0_dsm_guid_microsoft);
+		acpi_sleep_run_lps0_dsm(ACPI_LPS0_ENTRY,
+				lps0_dsm_func_mask_microsoft, lps0_dsm_guid_microsoft);
 	}
 
 	list_for_each_entry(handler, &lps0_s2idle_devops_head, list_node) {
@@ -524,11 +524,6 @@ void acpi_s2idle_restore_early(void)
 		if (handler->restore)
 			handler->restore();
 
-	/* Modern standby exit */
-	if (lps0_dsm_func_mask_microsoft > 0)
-		acpi_sleep_run_lps0_dsm(ACPI_LPS0_MS_EXIT,
-				lps0_dsm_func_mask_microsoft, lps0_dsm_guid_microsoft);
-
 	/* LPS0 exit */
 	if (lps0_dsm_func_mask > 0)
 		acpi_sleep_run_lps0_dsm(acpi_s2idle_vendor_amd() ?
@@ -539,6 +534,11 @@ void acpi_s2idle_restore_early(void)
 		acpi_sleep_run_lps0_dsm(ACPI_LPS0_EXIT,
 				lps0_dsm_func_mask_microsoft, lps0_dsm_guid_microsoft);
 
+	/* Modern standby exit */
+	if (lps0_dsm_func_mask_microsoft > 0)
+		acpi_sleep_run_lps0_dsm(ACPI_LPS0_MS_EXIT,
+				lps0_dsm_func_mask_microsoft, lps0_dsm_guid_microsoft);
+
 	/* Screen on */
 	if (lps0_dsm_func_mask_microsoft > 0)
 		acpi_sleep_run_lps0_dsm(ACPI_LPS0_SCREEN_ON,
diff --git a/drivers/acpi/x86/utils.c b/drivers/acpi/x86/utils.c
index 9c2d6f35f88a..c2b925f8cd4e 100644
--- a/drivers/acpi/x86/utils.c
+++ b/drivers/acpi/x86/utils.c
@@ -259,10 +259,11 @@ bool force_storage_d3(void)
  * drivers/platform/x86/x86-android-tablets.c kernel module.
  */
 #define ACPI_QUIRK_SKIP_I2C_CLIENTS				BIT(0)
-#define ACPI_QUIRK_UART1_TTY_UART2_SKIP				BIT(1)
-#define ACPI_QUIRK_SKIP_ACPI_AC_AND_BATTERY			BIT(2)
-#define ACPI_QUIRK_USE_ACPI_AC_AND_BATTERY			BIT(3)
-#define ACPI_QUIRK_SKIP_GPIO_EVENT_HANDLERS			BIT(4)
+#define ACPI_QUIRK_UART1_SKIP					BIT(1)
+#define ACPI_QUIRK_UART1_TTY_UART2_SKIP				BIT(2)
+#define ACPI_QUIRK_SKIP_ACPI_AC_AND_BATTERY			BIT(3)
+#define ACPI_QUIRK_USE_ACPI_AC_AND_BATTERY			BIT(4)
+#define ACPI_QUIRK_SKIP_GPIO_EVENT_HANDLERS			BIT(5)
 
 static const struct dmi_system_id acpi_quirk_skip_dmi_ids[] = {
 	/*
@@ -319,6 +320,7 @@ static const struct dmi_system_id acpi_quirk_skip_dmi_ids[] = {
 			DMI_EXACT_MATCH(DMI_PRODUCT_VERSION, "YETI-11"),
 		},
 		.driver_data = (void *)(ACPI_QUIRK_SKIP_I2C_CLIENTS |
+					ACPI_QUIRK_UART1_SKIP |
 					ACPI_QUIRK_SKIP_ACPI_AC_AND_BATTERY |
 					ACPI_QUIRK_SKIP_GPIO_EVENT_HANDLERS),
 	},
@@ -365,7 +367,7 @@ static const struct dmi_system_id acpi_quirk_skip_dmi_ids[] = {
 					ACPI_QUIRK_SKIP_ACPI_AC_AND_BATTERY),
 	},
 	{
-		/* Nextbook Ares 8 */
+		/* Nextbook Ares 8 (BYT version)*/
 		.matches = {
 			DMI_MATCH(DMI_SYS_VENDOR, "Insyde"),
 			DMI_MATCH(DMI_PRODUCT_NAME, "M890BAP"),
@@ -375,6 +377,16 @@ static const struct dmi_system_id acpi_quirk_skip_dmi_ids[] = {
 					ACPI_QUIRK_SKIP_GPIO_EVENT_HANDLERS),
 	},
 	{
+		/* Nextbook Ares 8A (CHT version)*/
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Insyde"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "CherryTrail"),
+			DMI_MATCH(DMI_BIOS_VERSION, "M882"),
+		},
+		.driver_data = (void *)(ACPI_QUIRK_SKIP_I2C_CLIENTS |
+					ACPI_QUIRK_SKIP_ACPI_AC_AND_BATTERY),
+	},
+	{
 		/* Whitelabel (sold as various brands) TM800A550L */
 		.matches = {
 			DMI_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"),
@@ -392,6 +404,7 @@ static const struct dmi_system_id acpi_quirk_skip_dmi_ids[] = {
 #if IS_ENABLED(CONFIG_X86_ANDROID_TABLETS)
 static const struct acpi_device_id i2c_acpi_known_good_ids[] = {
 	{ "10EC5640", 0 }, /* RealTek ALC5640 audio codec */
+	{ "10EC5651", 0 }, /* RealTek ALC5651 audio codec */
 	{ "INT33F4", 0 },  /* X-Powers AXP288 PMIC */
 	{ "INT33FD", 0 },  /* Intel Crystal Cove PMIC */
 	{ "INT34D3", 0 },  /* Intel Whiskey Cove PMIC */
@@ -438,6 +451,9 @@ int acpi_quirk_skip_serdev_enumeration(struct device *controller_parent, bool *s
 	if (dmi_id)
 		quirks = (unsigned long)dmi_id->driver_data;
 
+	if ((quirks & ACPI_QUIRK_UART1_SKIP) && uid == 1)
+		*skip = true;
+
 	if (quirks & ACPI_QUIRK_UART1_TTY_UART2_SKIP) {
 		if (uid == 1)
 			return -ENODEV; /* Create tty cdev instead of serdev */