diff --git a/drivers/acpi/acpi_lpss.c b/drivers/acpi/acpi_lpss.c
index 98a2ab3b6844284c87decd023b19f390f38ecc4d..7c3d1aae31eaf99e0c235a1b5ac8d74a8f29ff24 100644
--- a/drivers/acpi/acpi_lpss.c
+++ b/drivers/acpi/acpi_lpss.c
@@ -580,6 +580,7 @@ static bool acpi_lpss_dep(struct acpi_device *adev, acpi_handle handle)
 {
 	struct acpi_handle_list dep_devices;
 	acpi_status status;
+	bool ret = false;
 	int i;
 
 	if (!acpi_has_method(adev->handle, "_DEP"))
@@ -593,11 +594,14 @@ static bool acpi_lpss_dep(struct acpi_device *adev, acpi_handle handle)
 	}
 
 	for (i = 0; i < dep_devices.count; i++) {
-		if (dep_devices.handles[i] == handle)
-			return true;
+		if (dep_devices.handles[i] == handle) {
+			ret = true;
+			break;
+		}
 	}
 
-	return false;
+	acpi_handle_list_free(&dep_devices);
+	return ret;
 }
 
 static void acpi_lpss_link_consumer(struct device *dev1,
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index 515ce9476e0bd9f41ac4e3f96e0701aa2387617f..8cc937ef4e4ded096c79f995b321c3a5df6befbc 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -289,10 +289,10 @@ static int acpi_scan_hot_remove(struct acpi_device *device)
 	return 0;
 }
 
-static int acpi_scan_device_not_present(struct acpi_device *adev)
+static int acpi_scan_device_not_enumerated(struct acpi_device *adev)
 {
 	if (!acpi_device_enumerated(adev)) {
-		dev_warn(&adev->dev, "Still not present\n");
+		dev_warn(&adev->dev, "Still not enumerated\n");
 		return -EALREADY;
 	}
 	acpi_bus_trim(adev);
@@ -304,7 +304,7 @@ static int acpi_scan_device_check(struct acpi_device *adev)
 	int error;
 
 	acpi_bus_get_status(adev);
-	if (adev->status.present || adev->status.functional) {
+	if (acpi_device_is_present(adev)) {
 		/*
 		 * This function is only called for device objects for which
 		 * matching scan handlers exist.  The only situation in which
@@ -323,7 +323,7 @@ static int acpi_scan_device_check(struct acpi_device *adev)
 			return error;
 		}
 	} else {
-		error = acpi_scan_device_not_present(adev);
+		error = acpi_scan_device_not_enumerated(adev);
 	}
 	return error;
 }
@@ -334,8 +334,8 @@ static int acpi_scan_bus_check(struct acpi_device *adev, void *not_used)
 	int error;
 
 	acpi_bus_get_status(adev);
-	if (!(adev->status.present || adev->status.functional)) {
-		acpi_scan_device_not_present(adev);
+	if (!acpi_device_is_present(adev)) {
+		acpi_scan_device_not_enumerated(adev);
 		return 0;
 	}
 	if (handler && handler->hotplug.scan_dependent)
diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c
index 4148a79125adde681d029f5673f78aeb53f0bbbb..8db940f070e3f1c4e69f85d09f70654c9b9d9a48 100644
--- a/drivers/acpi/thermal.c
+++ b/drivers/acpi/thermal.c
@@ -82,7 +82,7 @@ MODULE_PARM_DESC(psv, "Disable or override all passive trip points.");
 static struct workqueue_struct *acpi_thermal_pm_queue;
 
 struct acpi_thermal_trip {
-	unsigned long temperature;
+	unsigned long temp_dk;
 	struct acpi_handle_list devices;
 };
 
@@ -100,20 +100,17 @@ struct acpi_thermal_active {
 struct acpi_thermal_trips {
 	struct acpi_thermal_passive passive;
 	struct acpi_thermal_active active[ACPI_THERMAL_MAX_ACTIVE];
-	bool critical_valid;
-	bool hot_valid;
 };
 
 struct acpi_thermal {
 	struct acpi_device *device;
 	acpi_bus_id name;
-	unsigned long temperature;
-	unsigned long last_temperature;
+	unsigned long temp_dk;
+	unsigned long last_temp_dk;
 	unsigned long polling_frequency;
 	volatile u8 zombie;
 	struct acpi_thermal_trips trips;
 	struct thermal_trip *trip_table;
-	struct acpi_handle_list devices;
 	struct thermal_zone_device *thermal_zone;
 	int kelvin_offset;	/* in millidegrees */
 	struct work_struct thermal_check_work;
@@ -133,16 +130,16 @@ static int acpi_thermal_get_temperature(struct acpi_thermal *tz)
 	if (!tz)
 		return -EINVAL;
 
-	tz->last_temperature = tz->temperature;
+	tz->last_temp_dk = tz->temp_dk;
 
 	status = acpi_evaluate_integer(tz->device->handle, "_TMP", NULL, &tmp);
 	if (ACPI_FAILURE(status))
 		return -ENODEV;
 
-	tz->temperature = tmp;
+	tz->temp_dk = tmp;
 
 	acpi_handle_debug(tz->device->handle, "Temperature is %lu dK\n",
-			  tz->temperature);
+			  tz->temp_dk);
 
 	return 0;
 }
@@ -168,16 +165,31 @@ static int acpi_thermal_get_polling_frequency(struct acpi_thermal *tz)
 
 static int acpi_thermal_temp(struct acpi_thermal *tz, int temp_deci_k)
 {
+	int temp;
+
 	if (temp_deci_k == THERMAL_TEMP_INVALID)
 		return THERMAL_TEMP_INVALID;
 
-	return deci_kelvin_to_millicelsius_with_offset(temp_deci_k,
+	temp = deci_kelvin_to_millicelsius_with_offset(temp_deci_k,
 						       tz->kelvin_offset);
+	if (temp <= 0)
+		return THERMAL_TEMP_INVALID;
+
+	return temp;
 }
 
 static bool acpi_thermal_trip_valid(struct acpi_thermal_trip *acpi_trip)
 {
-	return acpi_trip->temperature != THERMAL_TEMP_INVALID;
+	return acpi_trip->temp_dk != THERMAL_TEMP_INVALID;
+}
+
+static int active_trip_index(struct acpi_thermal *tz,
+			     struct acpi_thermal_trip *acpi_trip)
+{
+	struct acpi_thermal_active *active;
+
+	active = container_of(acpi_trip, struct acpi_thermal_active, trip);
+	return active - tz->trips.active;
 }
 
 static long get_passive_temp(struct acpi_thermal *tz)
@@ -192,14 +204,45 @@ static long get_passive_temp(struct acpi_thermal *tz)
 	return tmp;
 }
 
-static void acpi_thermal_update_passive_trip(struct acpi_thermal *tz)
+static long get_active_temp(struct acpi_thermal *tz, int index)
 {
-	struct acpi_thermal_trip *acpi_trip = &tz->trips.passive.trip;
+	char method[] = { '_', 'A', 'C', '0' + index, '\0' };
+	unsigned long long tmp;
+	acpi_status status;
 
-	if (!acpi_thermal_trip_valid(acpi_trip) || psv > 0)
-		return;
+	status = acpi_evaluate_integer(tz->device->handle, method, NULL, &tmp);
+	if (ACPI_FAILURE(status))
+		return THERMAL_TEMP_INVALID;
+
+	/*
+	 * If an override has been provided, apply it so there are no active
+	 * trips with thresholds greater than the override.
+	 */
+	if (act > 0) {
+		unsigned long long override = celsius_to_deci_kelvin(act);
+
+		if (tmp > override)
+			tmp = override;
+	}
+	return tmp;
+}
+
+static void acpi_thermal_update_trip(struct acpi_thermal *tz,
+				     const struct thermal_trip *trip)
+{
+	struct acpi_thermal_trip *acpi_trip = trip->priv;
+
+	if (trip->type == THERMAL_TRIP_PASSIVE) {
+		if (psv > 0)
+			return;
+
+		acpi_trip->temp_dk = get_passive_temp(tz);
+	} else {
+		int index = active_trip_index(tz, acpi_trip);
+
+		acpi_trip->temp_dk = get_active_temp(tz, index);
+	}
 
-	acpi_trip->temperature = get_passive_temp(tz);
 	if (!acpi_thermal_trip_valid(acpi_trip))
 		ACPI_THERMAL_TRIPS_EXCEPTION(tz, "state");
 }
@@ -208,7 +251,7 @@ static bool update_trip_devices(struct acpi_thermal *tz,
 				struct acpi_thermal_trip *acpi_trip,
 				int index, bool compare)
 {
-	struct acpi_handle_list devices;
+	struct acpi_handle_list devices = { 0 };
 	char method[] = "_PSL";
 	acpi_status status;
 
@@ -218,108 +261,65 @@ static bool update_trip_devices(struct acpi_thermal *tz,
 		method[3] = '0' + index;
 	}
 
-	memset(&devices, 0, sizeof(devices));
-
 	status = acpi_evaluate_reference(tz->device->handle, method, NULL, &devices);
 	if (ACPI_FAILURE(status)) {
 		acpi_handle_info(tz->device->handle, "%s evaluation failure\n", method);
 		return false;
 	}
 
-	if (compare && memcmp(&acpi_trip->devices, &devices, sizeof(devices)))
+	if (acpi_handle_list_equal(&acpi_trip->devices, &devices)) {
+		acpi_handle_list_free(&devices);
+		return true;
+	}
+
+	if (compare)
 		ACPI_THERMAL_TRIPS_EXCEPTION(tz, "device");
 
-	memcpy(&acpi_trip->devices, &devices, sizeof(devices));
+	acpi_handle_list_replace(&acpi_trip->devices, &devices);
 	return true;
 }
 
-static void acpi_thermal_update_trip_devices(struct acpi_thermal *tz, int index)
+static void acpi_thermal_update_trip_devices(struct acpi_thermal *tz,
+					     const struct thermal_trip *trip)
 {
-	struct acpi_thermal_trip *acpi_trip;
-
-	acpi_trip = index == ACPI_THERMAL_TRIP_PASSIVE ?
-			&tz->trips.passive.trip : &tz->trips.active[index].trip;
-	if (!acpi_thermal_trip_valid(acpi_trip))
-		return;
+	struct acpi_thermal_trip *acpi_trip = trip->priv;
+	int index = trip->type == THERMAL_TRIP_PASSIVE ?
+			ACPI_THERMAL_TRIP_PASSIVE : active_trip_index(tz, acpi_trip);
 
-	if (update_trip_devices(tz, acpi_trip, index, true)) {
+	if (update_trip_devices(tz, acpi_trip, index, true))
 		return;
-	}
 
-	acpi_trip->temperature = THERMAL_TEMP_INVALID;
+	acpi_trip->temp_dk = THERMAL_TEMP_INVALID;
 	ACPI_THERMAL_TRIPS_EXCEPTION(tz, "state");
 }
 
-static long get_active_temp(struct acpi_thermal *tz, int index)
-{
-	char method[] = { '_', 'A', 'C', '0' + index, '\0' };
-	unsigned long long tmp;
-	acpi_status status;
-
-	status = acpi_evaluate_integer(tz->device->handle, method, NULL, &tmp);
-	if (ACPI_FAILURE(status))
-		return THERMAL_TEMP_INVALID;
-
-	/*
-	 * If an override has been provided, apply it so there are no active
-	 * trips with thresholds greater than the override.
-	 */
-	if (act > 0) {
-		unsigned long long override = celsius_to_deci_kelvin(act);
-
-		if (tmp > override)
-			tmp = override;
-	}
-	return tmp;
-}
-
-static void acpi_thermal_update_active_trip(struct acpi_thermal *tz, int index)
-{
-	struct acpi_thermal_trip *acpi_trip = &tz->trips.active[index].trip;
-
-	if (!acpi_thermal_trip_valid(acpi_trip))
-		return;
-
-	acpi_trip->temperature = get_active_temp(tz, index);
-	if (!acpi_thermal_trip_valid(acpi_trip))
-		ACPI_THERMAL_TRIPS_EXCEPTION(tz, "state");
-}
+struct adjust_trip_data {
+	struct acpi_thermal *tz;
+	u32 event;
+};
 
 static int acpi_thermal_adjust_trip(struct thermal_trip *trip, void *data)
 {
 	struct acpi_thermal_trip *acpi_trip = trip->priv;
-	struct acpi_thermal *tz = data;
+	struct adjust_trip_data *atd = data;
+	struct acpi_thermal *tz = atd->tz;
 
-	if (!acpi_trip)
+	if (!acpi_trip || !acpi_thermal_trip_valid(acpi_trip))
 		return 0;
 
+	if (atd->event == ACPI_THERMAL_NOTIFY_THRESHOLDS)
+		acpi_thermal_update_trip(tz, trip);
+	else
+		acpi_thermal_update_trip_devices(tz, trip);
+
 	if (acpi_thermal_trip_valid(acpi_trip))
-		trip->temperature = acpi_thermal_temp(tz, acpi_trip->temperature);
+		trip->temperature = acpi_thermal_temp(tz, acpi_trip->temp_dk);
 	else
 		trip->temperature = THERMAL_TEMP_INVALID;
 
 	return 0;
 }
 
-static void acpi_thermal_adjust_thermal_zone(struct thermal_zone_device *thermal,
-					     unsigned long data)
-{
-	struct acpi_thermal *tz = thermal_zone_device_priv(thermal);
-	int i;
-
-	if (data == ACPI_THERMAL_NOTIFY_THRESHOLDS) {
-		acpi_thermal_update_passive_trip(tz);
-		for (i = 0; i < ACPI_THERMAL_MAX_ACTIVE; i++)
-			acpi_thermal_update_active_trip(tz, i);
-	} else {
-		acpi_thermal_update_trip_devices(tz, ACPI_THERMAL_TRIP_PASSIVE);
-		for (i = 0; i < ACPI_THERMAL_MAX_ACTIVE; i++)
-			acpi_thermal_update_trip_devices(tz, i);
-	}
-
-	for_each_thermal_trip(tz->thermal_zone, acpi_thermal_adjust_trip, tz);
-}
-
 static void acpi_queue_thermal_check(struct acpi_thermal *tz)
 {
 	if (!work_pending(&tz->thermal_check_work))
@@ -328,17 +328,18 @@ static void acpi_queue_thermal_check(struct acpi_thermal *tz)
 
 static void acpi_thermal_trips_update(struct acpi_thermal *tz, u32 event)
 {
+	struct adjust_trip_data atd = { .tz = tz, .event = event };
 	struct acpi_device *adev = tz->device;
 
 	/*
-	 * Use thermal_zone_device_exec() to carry out the trip points
+	 * Use thermal_zone_for_each_trip() to carry out the trip points
 	 * update, so as to protect thermal_get_trend() from getting stale
 	 * trip point temperatures and to prevent thermal_zone_device_update()
 	 * invoked from acpi_thermal_check_fn() from producing inconsistent
 	 * results.
 	 */
-	thermal_zone_device_exec(tz->thermal_zone,
-				 acpi_thermal_adjust_thermal_zone, event);
+	thermal_zone_for_each_trip(tz->thermal_zone,
+				   acpi_thermal_adjust_trip, &atd);
 	acpi_queue_thermal_check(tz);
 	acpi_bus_generate_netlink_event(adev->pnp.device_class,
 					dev_name(&adev->dev), event, 0);
@@ -355,13 +356,13 @@ static long acpi_thermal_get_critical_trip(struct acpi_thermal *tz)
 	}
 	if (crt == -1) {
 		acpi_handle_debug(tz->device->handle, "Critical threshold disabled\n");
-		goto fail;
+		return THERMAL_TEMP_INVALID;
 	}
 
 	status = acpi_evaluate_integer(tz->device->handle, "_CRT", NULL, &tmp);
 	if (ACPI_FAILURE(status)) {
 		acpi_handle_debug(tz->device->handle, "No critical threshold\n");
-		goto fail;
+		return THERMAL_TEMP_INVALID;
 	}
 	if (tmp <= 2732) {
 		/*
@@ -369,17 +370,12 @@ static long acpi_thermal_get_critical_trip(struct acpi_thermal *tz)
 		 * so discard them as invalid.
 		 */
 		pr_info(FW_BUG "Invalid critical threshold (%llu)\n", tmp);
-		goto fail;
+		return THERMAL_TEMP_INVALID;
 	}
 
 set:
-	tz->trips.critical_valid = true;
 	acpi_handle_debug(tz->device->handle, "Critical threshold [%llu]\n", tmp);
 	return tmp;
-
-fail:
-	tz->trips.critical_valid = false;
-	return THERMAL_TEMP_INVALID;
 }
 
 static long acpi_thermal_get_hot_trip(struct acpi_thermal *tz)
@@ -389,12 +385,10 @@ static long acpi_thermal_get_hot_trip(struct acpi_thermal *tz)
 
 	status = acpi_evaluate_integer(tz->device->handle, "_HOT", NULL, &tmp);
 	if (ACPI_FAILURE(status)) {
-		tz->trips.hot_valid = false;
 		acpi_handle_debug(tz->device->handle, "No hot threshold\n");
 		return THERMAL_TEMP_INVALID;
 	}
 
-	tz->trips.hot_valid = true;
 	acpi_handle_debug(tz->device->handle, "Hot threshold [%llu]\n", tmp);
 	return tmp;
 }
@@ -462,11 +456,11 @@ static bool acpi_thermal_init_trip(struct acpi_thermal *tz, int index)
 	if (!update_trip_devices(tz, acpi_trip, index, false))
 		goto fail;
 
-	acpi_trip->temperature = temp;
+	acpi_trip->temp_dk = temp;
 	return true;
 
 fail:
-	acpi_trip->temperature = THERMAL_TEMP_INVALID;
+	acpi_trip->temp_dk = THERMAL_TEMP_INVALID;
 	return false;
 }
 
@@ -487,7 +481,7 @@ static int acpi_thermal_get_trip_points(struct acpi_thermal *tz)
 	}
 
 	while (++i < ACPI_THERMAL_MAX_ACTIVE)
-		tz->trips.active[i].trip.temperature = THERMAL_TEMP_INVALID;
+		tz->trips.active[i].trip.temp_dk = THERMAL_TEMP_INVALID;
 
 	return count;
 }
@@ -506,7 +500,7 @@ static int thermal_get_temp(struct thermal_zone_device *thermal, int *temp)
 	if (result)
 		return result;
 
-	*temp = deci_kelvin_to_millicelsius_with_offset(tz->temperature,
+	*temp = deci_kelvin_to_millicelsius_with_offset(tz->temp_dk,
 							tz->kelvin_offset);
 	return 0;
 }
@@ -528,10 +522,10 @@ static int thermal_get_trend(struct thermal_zone_device *thermal,
 
 	switch (trip->type) {
 	case THERMAL_TRIP_PASSIVE:
-		t = tz->trips.passive.tc1 * (tz->temperature -
-						tz->last_temperature) +
-			tz->trips.passive.tc2 * (tz->temperature -
-						acpi_trip->temperature);
+		t = tz->trips.passive.tc1 * (tz->temp_dk -
+						tz->last_temp_dk) +
+			tz->trips.passive.tc2 * (tz->temp_dk -
+						acpi_trip->temp_dk);
 		if (t > 0)
 			*trend = THERMAL_TREND_RAISING;
 		else if (t < 0)
@@ -542,7 +536,7 @@ static int thermal_get_trend(struct thermal_zone_device *thermal,
 		return 0;
 
 	case THERMAL_TRIP_ACTIVE:
-		t = acpi_thermal_temp(tz, tz->temperature);
+		t = acpi_thermal_temp(tz, tz->temp_dk);
 		if (t <= trip->temperature)
 			break;
 
@@ -577,94 +571,72 @@ static void acpi_thermal_zone_device_critical(struct thermal_zone_device *therma
 	thermal_zone_device_critical(thermal);
 }
 
-static int acpi_thermal_cooling_device_cb(struct thermal_zone_device *thermal,
-					  struct thermal_cooling_device *cdev,
-					  bool bind)
+struct acpi_thermal_bind_data {
+	struct thermal_zone_device *thermal;
+	struct thermal_cooling_device *cdev;
+	bool bind;
+};
+
+static int bind_unbind_cdev_cb(struct thermal_trip *trip, void *arg)
 {
-	struct acpi_device *device = cdev->devdata;
-	struct acpi_thermal *tz = thermal_zone_device_priv(thermal);
-	struct acpi_thermal_trip *acpi_trip;
-	struct acpi_device *dev;
-	acpi_handle handle;
+	struct acpi_thermal_trip *acpi_trip = trip->priv;
+	struct acpi_thermal_bind_data *bd = arg;
+	struct thermal_zone_device *thermal = bd->thermal;
+	struct thermal_cooling_device *cdev = bd->cdev;
+	struct acpi_device *cdev_adev = cdev->devdata;
 	int i;
-	int j;
-	int trip = -1;
-	int result = 0;
 
-	if (tz->trips.critical_valid)
-		trip++;
+	/* Skip critical and hot trips. */
+	if (!acpi_trip)
+		return 0;
 
-	if (tz->trips.hot_valid)
-		trip++;
+	for (i = 0; i < acpi_trip->devices.count; i++) {
+		acpi_handle handle = acpi_trip->devices.handles[i];
+		struct acpi_device *adev = acpi_fetch_acpi_dev(handle);
 
-	acpi_trip = &tz->trips.passive.trip;
-	if (acpi_thermal_trip_valid(acpi_trip)) {
-		trip++;
-		for (i = 0; i < acpi_trip->devices.count; i++) {
-			handle = acpi_trip->devices.handles[i];
-			dev = acpi_fetch_acpi_dev(handle);
-			if (dev != device)
-				continue;
-
-			if (bind)
-				result = thermal_zone_bind_cooling_device(
-						thermal, trip, cdev,
-						THERMAL_NO_LIMIT,
-						THERMAL_NO_LIMIT,
-						THERMAL_WEIGHT_DEFAULT);
-			else
-				result =
-					thermal_zone_unbind_cooling_device(
-						thermal, trip, cdev);
-
-			if (result)
-				goto failed;
-		}
-	}
+		if (adev != cdev_adev)
+			continue;
 
-	for (i = 0; i < ACPI_THERMAL_MAX_ACTIVE; i++) {
-		acpi_trip = &tz->trips.active[i].trip;
-		if (!acpi_thermal_trip_valid(acpi_trip))
-			break;
+		if (bd->bind) {
+			int ret;
 
-		trip++;
-		for (j = 0; j < acpi_trip->devices.count; j++) {
-			handle = acpi_trip->devices.handles[j];
-			dev = acpi_fetch_acpi_dev(handle);
-			if (dev != device)
-				continue;
-
-			if (bind)
-				result = thermal_zone_bind_cooling_device(
-						thermal, trip, cdev,
-						THERMAL_NO_LIMIT,
-						THERMAL_NO_LIMIT,
-						THERMAL_WEIGHT_DEFAULT);
-			else
-				result = thermal_zone_unbind_cooling_device(
-						thermal, trip, cdev);
-
-			if (result)
-				goto failed;
+			ret = thermal_bind_cdev_to_trip(thermal, trip, cdev,
+							THERMAL_NO_LIMIT,
+							THERMAL_NO_LIMIT,
+							THERMAL_WEIGHT_DEFAULT);
+			if (ret)
+				return ret;
+		} else {
+			thermal_unbind_cdev_from_trip(thermal, trip, cdev);
 		}
 	}
 
-failed:
-	return result;
+	return 0;
+}
+
+static int acpi_thermal_bind_unbind_cdev(struct thermal_zone_device *thermal,
+					 struct thermal_cooling_device *cdev,
+					 bool bind)
+{
+	struct acpi_thermal_bind_data bd = {
+		.thermal = thermal, .cdev = cdev, .bind = bind
+	};
+
+	return for_each_thermal_trip(thermal, bind_unbind_cdev_cb, &bd);
 }
 
 static int
 acpi_thermal_bind_cooling_device(struct thermal_zone_device *thermal,
 				 struct thermal_cooling_device *cdev)
 {
-	return acpi_thermal_cooling_device_cb(thermal, cdev, true);
+	return acpi_thermal_bind_unbind_cdev(thermal, cdev, true);
 }
 
 static int
 acpi_thermal_unbind_cooling_device(struct thermal_zone_device *thermal,
 				   struct thermal_cooling_device *cdev)
 {
-	return acpi_thermal_cooling_device_cb(thermal, cdev, false);
+	return acpi_thermal_bind_unbind_cdev(thermal, cdev, false);
 }
 
 static struct thermal_zone_device_ops acpi_thermal_zone_ops = {
@@ -820,7 +792,7 @@ static void acpi_thermal_aml_dependency_fix(struct acpi_thermal *tz)
  */
 static void acpi_thermal_guess_offset(struct acpi_thermal *tz, long crit_temp)
 {
-	if (tz->trips.critical_valid && crit_temp % 5 == 1)
+	if (crit_temp != THERMAL_TEMP_INVALID && crit_temp % 5 == 1)
 		tz->kelvin_offset = 273100;
 	else
 		tz->kelvin_offset = 273200;
@@ -851,6 +823,17 @@ static void acpi_thermal_check_fn(struct work_struct *work)
 	mutex_unlock(&tz->thermal_check_lock);
 }
 
+static void acpi_thermal_free_thermal_zone(struct acpi_thermal *tz)
+{
+	int i;
+
+	acpi_handle_list_free(&tz->trips.passive.trip.devices);
+	for (i = 0; i < ACPI_THERMAL_MAX_ACTIVE; i++)
+		acpi_handle_list_free(&tz->trips.active[i].trip.devices);
+
+	kfree(tz);
+}
+
 static int acpi_thermal_add(struct acpi_device *device)
 {
 	struct acpi_thermal_trip *acpi_trip;
@@ -881,11 +864,11 @@ static int acpi_thermal_add(struct acpi_device *device)
 	trip_count = acpi_thermal_get_trip_points(tz);
 
 	crit_temp = acpi_thermal_get_critical_trip(tz);
-	if (tz->trips.critical_valid)
+	if (crit_temp != THERMAL_TEMP_INVALID)
 		trip_count++;
 
 	hot_temp = acpi_thermal_get_hot_trip(tz);
-	if (tz->trips.hot_valid)
+	if (hot_temp != THERMAL_TEMP_INVALID)
 		trip_count++;
 
 	if (!trip_count) {
@@ -919,13 +902,13 @@ static int acpi_thermal_add(struct acpi_device *device)
 
 	tz->trip_table = trip;
 
-	if (tz->trips.critical_valid) {
+	if (crit_temp != THERMAL_TEMP_INVALID) {
 		trip->type = THERMAL_TRIP_CRITICAL;
 		trip->temperature = acpi_thermal_temp(tz, crit_temp);
 		trip++;
 	}
 
-	if (tz->trips.hot_valid) {
+	if (hot_temp != THERMAL_TEMP_INVALID) {
 		trip->type = THERMAL_TRIP_HOT;
 		trip->temperature = acpi_thermal_temp(tz, hot_temp);
 		trip++;
@@ -936,7 +919,7 @@ static int acpi_thermal_add(struct acpi_device *device)
 		passive_delay = tz->trips.passive.delay;
 
 		trip->type = THERMAL_TRIP_PASSIVE;
-		trip->temperature = acpi_thermal_temp(tz, acpi_trip->temperature);
+		trip->temperature = acpi_thermal_temp(tz, acpi_trip->temp_dk);
 		trip->priv = acpi_trip;
 		trip++;
 	}
@@ -948,7 +931,7 @@ static int acpi_thermal_add(struct acpi_device *device)
 			break;
 
 		trip->type = THERMAL_TRIP_ACTIVE;
-		trip->temperature = acpi_thermal_temp(tz, acpi_trip->temperature);
+		trip->temperature = acpi_thermal_temp(tz, acpi_trip->temp_dk);
 		trip->priv = acpi_trip;
 		trip++;
 	}
@@ -962,7 +945,7 @@ static int acpi_thermal_add(struct acpi_device *device)
 	INIT_WORK(&tz->thermal_check_work, acpi_thermal_check_fn);
 
 	pr_info("%s [%s] (%ld C)\n", acpi_device_name(device),
-		acpi_device_bid(device), deci_kelvin_to_celsius(tz->temperature));
+		acpi_device_bid(device), deci_kelvin_to_celsius(tz->temp_dk));
 
 	result = acpi_dev_install_notify_handler(device, ACPI_DEVICE_NOTIFY,
 						 acpi_thermal_notify);
@@ -977,7 +960,7 @@ static int acpi_thermal_add(struct acpi_device *device)
 free_trips:
 	kfree(tz->trip_table);
 free_memory:
-	kfree(tz);
+	acpi_thermal_free_thermal_zone(tz);
 
 	return result;
 }
@@ -997,7 +980,7 @@ static void acpi_thermal_remove(struct acpi_device *device)
 	flush_workqueue(acpi_thermal_pm_queue);
 	acpi_thermal_unregister_thermal_zone(tz);
 	kfree(tz->trip_table);
-	kfree(tz);
+	acpi_thermal_free_thermal_zone(tz);
 }
 
 #ifdef CONFIG_PM_SLEEP
diff --git a/drivers/acpi/utils.c b/drivers/acpi/utils.c
index bf09c72e5bd6e25416e41792c21919b42753b9e4..3edae8afc1007947c9498d8a11cc909e389b3313 100644
--- a/drivers/acpi/utils.c
+++ b/drivers/acpi/utils.c
@@ -370,7 +370,8 @@ acpi_evaluate_reference(acpi_handle handle,
 		goto end;
 	}
 
-	if (package->package.count > ACPI_MAX_HANDLES) {
+	list->handles = kcalloc(package->package.count, sizeof(*list->handles), GFP_KERNEL);
+	if (!list->handles) {
 		kfree(package);
 		return AE_NO_MEMORY;
 	}
@@ -399,12 +400,13 @@ acpi_evaluate_reference(acpi_handle handle,
 		acpi_handle_debug(list->handles[i], "Found in reference list\n");
 	}
 
-      end:
 	if (ACPI_FAILURE(status)) {
 		list->count = 0;
-		//kfree(list->handles);
+		kfree(list->handles);
+		list->handles = NULL;
 	}
 
+end:
 	kfree(buffer.pointer);
 
 	return status;
@@ -412,6 +414,61 @@ acpi_evaluate_reference(acpi_handle handle,
 
 EXPORT_SYMBOL(acpi_evaluate_reference);
 
+/**
+ * acpi_handle_list_equal - Check if two ACPI handle lists are the same
+ * @list1: First list to compare.
+ * @list2: Second list to compare.
+ *
+ * Return true if the given ACPI handle lists are of the same size and
+ * contain the same ACPI handles in the same order.  Otherwise, return false.
+ */
+bool acpi_handle_list_equal(struct acpi_handle_list *list1,
+			    struct acpi_handle_list *list2)
+{
+	return list1->count == list2->count &&
+		!memcmp(list1->handles, list2->handles,
+		        list1->count * sizeof(acpi_handle));
+}
+EXPORT_SYMBOL_GPL(acpi_handle_list_equal);
+
+/**
+ * acpi_handle_list_replace - Replace one ACPI handle list with another
+ * @dst: ACPI handle list to replace.
+ * @src: Source ACPI handle list.
+ *
+ * Free the handles table in @dst, move the handles table from @src to @dst,
+ * copy count from @src to @dst and clear @src.
+ */
+void acpi_handle_list_replace(struct acpi_handle_list *dst,
+			      struct acpi_handle_list *src)
+{
+	if (dst->count)
+		kfree(dst->handles);
+
+	dst->count = src->count;
+	dst->handles = src->handles;
+
+	src->handles = NULL;
+	src->count = 0;
+}
+EXPORT_SYMBOL_GPL(acpi_handle_list_replace);
+
+/**
+ * acpi_handle_list_free - Free the handles table in an ACPI handle list
+ * @list: ACPI handle list to free.
+ *
+ * Free the handles table in @list and clear its count field.
+ */
+void acpi_handle_list_free(struct acpi_handle_list *list)
+{
+	if (!list->count)
+		return;
+
+	kfree(list->handles);
+	list->count = 0;
+}
+EXPORT_SYMBOL_GPL(acpi_handle_list_free);
+
 acpi_status
 acpi_get_physical_device_location(acpi_handle handle, struct acpi_pld_info **pld)
 {
diff --git a/drivers/platform/surface/surface_acpi_notify.c b/drivers/platform/surface/surface_acpi_notify.c
index 897cdd9c3aae8114194f3ff65ed43070e8487924..0412a644fecea0427b3ebfbfe80b659c84d441b9 100644
--- a/drivers/platform/surface/surface_acpi_notify.c
+++ b/drivers/platform/surface/surface_acpi_notify.c
@@ -741,6 +741,7 @@ static bool is_san_consumer(struct platform_device *pdev, acpi_handle handle)
 	struct acpi_handle_list dep_devices;
 	acpi_handle supplier = ACPI_HANDLE(&pdev->dev);
 	acpi_status status;
+	bool ret = false;
 	int i;
 
 	if (!acpi_has_method(handle, "_DEP"))
@@ -753,11 +754,14 @@ static bool is_san_consumer(struct platform_device *pdev, acpi_handle handle)
 	}
 
 	for (i = 0; i < dep_devices.count; i++) {
-		if (dep_devices.handles[i] == supplier)
-			return true;
+		if (dep_devices.handles[i] == supplier) {
+			ret = true;
+			break;
+		}
 	}
 
-	return false;
+	acpi_handle_list_free(&dep_devices);
+	return ret;
 }
 
 static acpi_status san_consumer_setup(acpi_handle handle, u32 lvl,
diff --git a/drivers/thermal/gov_bang_bang.c b/drivers/thermal/gov_bang_bang.c
index 49cdfaa3a9279331bae13d520feea150e1fc7e58..6ddf0accdc98f918fdad2d22aa8f525fd575c656 100644
--- a/drivers/thermal/gov_bang_bang.c
+++ b/drivers/thermal/gov_bang_bang.c
@@ -13,9 +13,10 @@
 
 #include "thermal_core.h"
 
-static int thermal_zone_trip_update(struct thermal_zone_device *tz, int trip_index)
+static int thermal_zone_trip_update(struct thermal_zone_device *tz,
+				    const struct thermal_trip *trip)
 {
-	const struct thermal_trip *trip = &tz->trips[trip_index];
+	int trip_index = thermal_zone_trip_id(tz, trip);
 	struct thermal_instance *instance;
 
 	if (!trip->hysteresis)
@@ -89,7 +90,8 @@ static int thermal_zone_trip_update(struct thermal_zone_device *tz, int trip_ind
  *     (trip_temp - hyst) so that the fan gets turned off again.
  *
  */
-static int bang_bang_control(struct thermal_zone_device *tz, int trip)
+static int bang_bang_control(struct thermal_zone_device *tz,
+			     const struct thermal_trip *trip)
 {
 	struct thermal_instance *instance;
 	int ret;
diff --git a/drivers/thermal/gov_fair_share.c b/drivers/thermal/gov_fair_share.c
index 2abeb8979f5002fdc497297f8e4130b9f29133fd..538abb7de4e2b1252376d343b81255bcbd33dfe8 100644
--- a/drivers/thermal/gov_fair_share.c
+++ b/drivers/thermal/gov_fair_share.c
@@ -15,29 +15,27 @@
 
 #include "thermal_core.h"
 
-/**
- * get_trip_level: - obtains the current trip level for a zone
- * @tz:		thermal zone device
- */
 static int get_trip_level(struct thermal_zone_device *tz)
 {
-	struct thermal_trip trip;
-	int count;
+	const struct thermal_trip *trip, *level_trip = NULL;
+	int trip_level;
 
-	for (count = 0; count < tz->num_trips; count++) {
-		__thermal_zone_get_trip(tz, count, &trip);
-		if (tz->temperature < trip.temperature)
+	for_each_trip(tz, trip) {
+		if (trip->temperature >= tz->temperature)
 			break;
+
+		level_trip = trip;
 	}
 
-	/*
-	 * count > 0 only if temperature is greater than first trip
-	 * point, in which case, trip_point = count - 1
-	 */
-	if (count > 0)
-		trace_thermal_zone_trip(tz, count - 1, trip.type);
+	/*  Bail out if the temperature is not greater than any trips. */
+	if (!level_trip)
+		return 0;
+
+	trip_level = thermal_zone_trip_id(tz, level_trip);
+
+	trace_thermal_zone_trip(tz, trip_level, level_trip->type);
 
-	return count;
+	return trip_level;
 }
 
 static long get_target_state(struct thermal_zone_device *tz,
@@ -49,7 +47,7 @@ static long get_target_state(struct thermal_zone_device *tz,
 /**
  * fair_share_throttle - throttles devices associated with the given zone
  * @tz: thermal_zone_device
- * @trip_index: trip point index
+ * @trip: trip point
  *
  * Throttling Logic: This uses three parameters to calculate the new
  * throttle state of the cooling devices associated with the given zone.
@@ -65,9 +63,9 @@ static long get_target_state(struct thermal_zone_device *tz,
  *	(Heavily assumes the trip points are in ascending order)
  * new_state of cooling device = P3 * P2 * P1
  */
-static int fair_share_throttle(struct thermal_zone_device *tz, int trip_index)
+static int fair_share_throttle(struct thermal_zone_device *tz,
+			       const struct thermal_trip *trip)
 {
-	const struct thermal_trip *trip = &tz->trips[trip_index];
 	struct thermal_instance *instance;
 	int total_weight = 0;
 	int total_instance = 0;
diff --git a/drivers/thermal/gov_power_allocator.c b/drivers/thermal/gov_power_allocator.c
index fc969642f70b721d76da1c961cbe987b9c83711f..931cd88425e49a7e656dc7b2ddf91e4169948921 100644
--- a/drivers/thermal/gov_power_allocator.c
+++ b/drivers/thermal/gov_power_allocator.c
@@ -16,8 +16,6 @@
 
 #include "thermal_core.h"
 
-#define INVALID_TRIP -1
-
 #define FRAC_BITS 10
 #define int_to_frac(x) ((x) << FRAC_BITS)
 #define frac_to_int(x) ((x) >> FRAC_BITS)
@@ -55,23 +53,23 @@ static inline s64 div_frac(s64 x, s64 y)
  * @err_integral:	accumulated error in the PID controller.
  * @prev_err:	error in the previous iteration of the PID controller.
  *		Used to calculate the derivative term.
+ * @sustainable_power:	Sustainable power (heat) that this thermal zone can
+ *			dissipate
  * @trip_switch_on:	first passive trip point of the thermal zone.  The
  *			governor switches on when this trip point is crossed.
  *			If the thermal zone only has one passive trip point,
- *			@trip_switch_on should be INVALID_TRIP.
+ *			@trip_switch_on should be NULL.
  * @trip_max_desired_temperature:	last passive trip point of the thermal
  *					zone.  The temperature we are
  *					controlling for.
- * @sustainable_power:	Sustainable power (heat) that this thermal zone can
- *			dissipate
  */
 struct power_allocator_params {
 	bool allocated_tzp;
 	s64 err_integral;
 	s32 prev_err;
-	int trip_switch_on;
-	int trip_max_desired_temperature;
 	u32 sustainable_power;
+	const struct thermal_trip *trip_switch_on;
+	const struct thermal_trip *trip_max_desired_temperature;
 };
 
 /**
@@ -90,14 +88,12 @@ static u32 estimate_sustainable_power(struct thermal_zone_device *tz)
 	u32 sustainable_power = 0;
 	struct thermal_instance *instance;
 	struct power_allocator_params *params = tz->governor_data;
-	const struct thermal_trip *trip_max_desired_temperature =
-			&tz->trips[params->trip_max_desired_temperature];
 
 	list_for_each_entry(instance, &tz->thermal_instances, tz_node) {
 		struct thermal_cooling_device *cdev = instance->cdev;
 		u32 min_power;
 
-		if (instance->trip != trip_max_desired_temperature)
+		if (instance->trip != params->trip_max_desired_temperature)
 			continue;
 
 		if (!cdev_is_power_actor(cdev))
@@ -116,24 +112,22 @@ static u32 estimate_sustainable_power(struct thermal_zone_device *tz)
  * estimate_pid_constants() - Estimate the constants for the PID controller
  * @tz:		thermal zone for which to estimate the constants
  * @sustainable_power:	sustainable power for the thermal zone
- * @trip_switch_on:	trip point number for the switch on temperature
+ * @trip_switch_on:	trip point for the switch on temperature
  * @control_temp:	target temperature for the power allocator governor
  *
  * This function is used to update the estimation of the PID
  * controller constants in struct thermal_zone_parameters.
  */
 static void estimate_pid_constants(struct thermal_zone_device *tz,
-				   u32 sustainable_power, int trip_switch_on,
+				   u32 sustainable_power,
+				   const struct thermal_trip *trip_switch_on,
 				   int control_temp)
 {
-	struct thermal_trip trip;
 	u32 temperature_threshold = control_temp;
-	int ret;
 	s32 k_i;
 
-	ret = __thermal_zone_get_trip(tz, trip_switch_on, &trip);
-	if (!ret)
-		temperature_threshold -= trip.temperature;
+	if (trip_switch_on)
+		temperature_threshold -= trip_switch_on->temperature;
 
 	/*
 	 * estimate_pid_constants() tries to find appropriate default
@@ -386,7 +380,7 @@ static int allocate_power(struct thermal_zone_device *tz,
 	struct thermal_instance *instance;
 	struct power_allocator_params *params = tz->governor_data;
 	const struct thermal_trip *trip_max_desired_temperature =
-			&tz->trips[params->trip_max_desired_temperature];
+					params->trip_max_desired_temperature;
 	u32 *req_power, *max_power, *granted_power, *extra_actor_power;
 	u32 *weighted_req_power;
 	u32 total_req_power, max_allocatable_power, total_weighted_req_power;
@@ -496,7 +490,7 @@ static int allocate_power(struct thermal_zone_device *tz,
 }
 
 /**
- * get_governor_trips() - get the number of the two trip points that are key for this governor
+ * get_governor_trips() - get the two trip points that are key for this governor
  * @tz:	thermal zone to operate on
  * @params:	pointer to private data for this governor
  *
@@ -513,46 +507,36 @@ static int allocate_power(struct thermal_zone_device *tz,
 static void get_governor_trips(struct thermal_zone_device *tz,
 			       struct power_allocator_params *params)
 {
-	int i, last_active, last_passive;
-	bool found_first_passive;
-
-	found_first_passive = false;
-	last_active = INVALID_TRIP;
-	last_passive = INVALID_TRIP;
-
-	for (i = 0; i < tz->num_trips; i++) {
-		struct thermal_trip trip;
-		int ret;
-
-		ret = __thermal_zone_get_trip(tz, i, &trip);
-		if (ret) {
-			dev_warn(&tz->device,
-				 "Failed to get trip point %d type: %d\n", i,
-				 ret);
-			continue;
-		}
-
-		if (trip.type == THERMAL_TRIP_PASSIVE) {
-			if (!found_first_passive) {
-				params->trip_switch_on = i;
-				found_first_passive = true;
-			} else  {
-				last_passive = i;
+	const struct thermal_trip *first_passive = NULL;
+	const struct thermal_trip *last_passive = NULL;
+	const struct thermal_trip *last_active = NULL;
+	const struct thermal_trip *trip;
+
+	for_each_trip(tz, trip) {
+		switch (trip->type) {
+		case THERMAL_TRIP_PASSIVE:
+			if (!first_passive) {
+				first_passive = trip;
+				break;
 			}
-		} else if (trip.type == THERMAL_TRIP_ACTIVE) {
-			last_active = i;
-		} else {
+			last_passive = trip;
+			break;
+		case THERMAL_TRIP_ACTIVE:
+			last_active = trip;
+			break;
+		default:
 			break;
 		}
 	}
 
-	if (last_passive != INVALID_TRIP) {
+	if (last_passive) {
+		params->trip_switch_on = first_passive;
 		params->trip_max_desired_temperature = last_passive;
-	} else if (found_first_passive) {
-		params->trip_max_desired_temperature = params->trip_switch_on;
-		params->trip_switch_on = INVALID_TRIP;
+	} else if (first_passive) {
+		params->trip_switch_on = NULL;
+		params->trip_max_desired_temperature = first_passive;
 	} else {
-		params->trip_switch_on = INVALID_TRIP;
+		params->trip_switch_on = NULL;
 		params->trip_max_desired_temperature = last_active;
 	}
 }
@@ -567,14 +551,12 @@ static void allow_maximum_power(struct thermal_zone_device *tz, bool update)
 {
 	struct thermal_instance *instance;
 	struct power_allocator_params *params = tz->governor_data;
-	const struct thermal_trip *trip_max_desired_temperature =
-			&tz->trips[params->trip_max_desired_temperature];
 	u32 req_power;
 
 	list_for_each_entry(instance, &tz->thermal_instances, tz_node) {
 		struct thermal_cooling_device *cdev = instance->cdev;
 
-		if ((instance->trip != trip_max_desired_temperature) ||
+		if (instance->trip != params->trip_max_desired_temperature ||
 		    (!cdev_is_power_actor(instance->cdev)))
 			continue;
 
@@ -636,7 +618,6 @@ static int power_allocator_bind(struct thermal_zone_device *tz)
 {
 	int ret;
 	struct power_allocator_params *params;
-	struct thermal_trip trip;
 
 	ret = check_power_actors(tz);
 	if (ret)
@@ -661,13 +642,11 @@ static int power_allocator_bind(struct thermal_zone_device *tz)
 
 	get_governor_trips(tz, params);
 
-	if (tz->num_trips > 0) {
-		ret = __thermal_zone_get_trip(tz, params->trip_max_desired_temperature,
-					      &trip);
-		if (!ret)
-			estimate_pid_constants(tz, tz->tzp->sustainable_power,
-					       params->trip_switch_on,
-					       trip.temperature);
+	if (params->trip_max_desired_temperature) {
+		int temp = params->trip_max_desired_temperature->temperature;
+
+		estimate_pid_constants(tz, tz->tzp->sustainable_power,
+				       params->trip_switch_on, temp);
 	}
 
 	reset_pid_controller(params);
@@ -697,11 +676,10 @@ static void power_allocator_unbind(struct thermal_zone_device *tz)
 	tz->governor_data = NULL;
 }
 
-static int power_allocator_throttle(struct thermal_zone_device *tz, int trip_id)
+static int power_allocator_throttle(struct thermal_zone_device *tz,
+				    const struct thermal_trip *trip)
 {
 	struct power_allocator_params *params = tz->governor_data;
-	struct thermal_trip trip;
-	int ret;
 	bool update;
 
 	lockdep_assert_held(&tz->lock);
@@ -710,11 +688,11 @@ static int power_allocator_throttle(struct thermal_zone_device *tz, int trip_id)
 	 * We get called for every trip point but we only need to do
 	 * our calculations once
 	 */
-	if (trip_id != params->trip_max_desired_temperature)
+	if (trip != params->trip_max_desired_temperature)
 		return 0;
 
-	ret = __thermal_zone_get_trip(tz, params->trip_switch_on, &trip);
-	if (!ret && (tz->temperature < trip.temperature)) {
+	trip = params->trip_switch_on;
+	if (trip && tz->temperature < trip->temperature) {
 		update = tz->passive;
 		tz->passive = 0;
 		reset_pid_controller(params);
@@ -724,14 +702,7 @@ static int power_allocator_throttle(struct thermal_zone_device *tz, int trip_id)
 
 	tz->passive = 1;
 
-	ret = __thermal_zone_get_trip(tz, params->trip_max_desired_temperature, &trip);
-	if (ret) {
-		dev_warn(&tz->device, "Failed to get the maximum desired temperature: %d\n",
-			 ret);
-		return ret;
-	}
-
-	return allocate_power(tz, trip.temperature);
+	return allocate_power(tz, params->trip_max_desired_temperature->temperature);
 }
 
 static struct thermal_governor thermal_gov_power_allocator = {
diff --git a/drivers/thermal/gov_step_wise.c b/drivers/thermal/gov_step_wise.c
index 849dc1ec8d27c85610b12a1d908a4074d65ffdff..5436aa58d41ec78e353335f76d878f72890915f2 100644
--- a/drivers/thermal/gov_step_wise.c
+++ b/drivers/thermal/gov_step_wise.c
@@ -68,26 +68,16 @@ static unsigned long get_target_state(struct thermal_instance *instance,
 	return next_target;
 }
 
-static void update_passive_instance(struct thermal_zone_device *tz,
-				enum thermal_trip_type type, int value)
+static void thermal_zone_trip_update(struct thermal_zone_device *tz,
+				     const struct thermal_trip *trip)
 {
-	/*
-	 * If value is +1, activate a passive instance.
-	 * If value is -1, deactivate a passive instance.
-	 */
-	if (type == THERMAL_TRIP_PASSIVE)
-		tz->passive += value;
-}
-
-static void thermal_zone_trip_update(struct thermal_zone_device *tz, int trip_id)
-{
-	const struct thermal_trip *trip = &tz->trips[trip_id];
+	int trip_id = thermal_zone_trip_id(tz, trip);
 	enum thermal_trend trend;
 	struct thermal_instance *instance;
 	bool throttle = false;
 	int old_target;
 
-	trend = get_tz_trend(tz, trip_id);
+	trend = get_tz_trend(tz, trip);
 
 	if (tz->temperature >= trip->temperature) {
 		throttle = true;
@@ -109,14 +99,17 @@ static void thermal_zone_trip_update(struct thermal_zone_device *tz, int trip_id
 		if (instance->initialized && old_target == instance->target)
 			continue;
 
-		/* Activate a passive thermal instance */
 		if (old_target == THERMAL_NO_TARGET &&
-			instance->target != THERMAL_NO_TARGET)
-			update_passive_instance(tz, trip->type, 1);
-		/* Deactivate a passive thermal instance */
-		else if (old_target != THERMAL_NO_TARGET &&
-			instance->target == THERMAL_NO_TARGET)
-			update_passive_instance(tz, trip->type, -1);
+		    instance->target != THERMAL_NO_TARGET) {
+			/* Activate a passive thermal instance */
+			if (trip->type == THERMAL_TRIP_PASSIVE)
+				tz->passive++;
+		} else if (old_target != THERMAL_NO_TARGET &&
+			   instance->target == THERMAL_NO_TARGET) {
+			/* Deactivate a passive thermal instance */
+			if (trip->type == THERMAL_TRIP_PASSIVE)
+				tz->passive--;
+		}
 
 		instance->initialized = true;
 		mutex_lock(&instance->cdev->lock);
@@ -128,7 +121,7 @@ static void thermal_zone_trip_update(struct thermal_zone_device *tz, int trip_id
 /**
  * step_wise_throttle - throttles devices associated with the given zone
  * @tz: thermal_zone_device
- * @trip: trip point index
+ * @trip: trip point
  *
  * Throttling Logic: This uses the trend of the thermal zone to throttle.
  * If the thermal zone is 'heating up' this throttles all the cooling
@@ -136,7 +129,8 @@ static void thermal_zone_trip_update(struct thermal_zone_device *tz, int trip_id
  * step. If the zone is 'cooling down' it brings back the performance of
  * the devices by one step.
  */
-static int step_wise_throttle(struct thermal_zone_device *tz, int trip)
+static int step_wise_throttle(struct thermal_zone_device *tz,
+			      const struct thermal_trip *trip)
 {
 	struct thermal_instance *instance;
 
diff --git a/drivers/thermal/gov_user_space.c b/drivers/thermal/gov_user_space.c
index 8bc1c22aaf03807345cf90cb7a413e91326f59a1..7a1790b7e8f5570a8655d193edde14c06bf02d32 100644
--- a/drivers/thermal/gov_user_space.c
+++ b/drivers/thermal/gov_user_space.c
@@ -25,11 +25,12 @@ static int user_space_bind(struct thermal_zone_device *tz)
 /**
  * notify_user_space - Notifies user space about thermal events
  * @tz: thermal_zone_device
- * @trip: trip point index
+ * @trip: trip point
  *
  * This function notifies the user space through UEvents.
  */
-static int notify_user_space(struct thermal_zone_device *tz, int trip)
+static int notify_user_space(struct thermal_zone_device *tz,
+			     const struct thermal_trip *trip)
 {
 	char *thermal_prop[5];
 	int i;
@@ -38,7 +39,8 @@ static int notify_user_space(struct thermal_zone_device *tz, int trip)
 
 	thermal_prop[0] = kasprintf(GFP_KERNEL, "NAME=%s", tz->type);
 	thermal_prop[1] = kasprintf(GFP_KERNEL, "TEMP=%d", tz->temperature);
-	thermal_prop[2] = kasprintf(GFP_KERNEL, "TRIP=%d", trip);
+	thermal_prop[2] = kasprintf(GFP_KERNEL, "TRIP=%d",
+				    thermal_zone_trip_id(tz, trip));
 	thermal_prop[3] = kasprintf(GFP_KERNEL, "EVENT=%d", tz->notify_event);
 	thermal_prop[4] = NULL;
 	kobject_uevent_env(&tz->device.kobj, KOBJ_CHANGE, thermal_prop);
diff --git a/drivers/thermal/intel/int340x_thermal/int340x_thermal_zone.c b/drivers/thermal/intel/int340x_thermal/int340x_thermal_zone.c
index 89cf007146ead3f0ff4d7321b4b8c27b1836504b..a03b67579dd9d68835dc32a7bdf6fd4d74ccc164 100644
--- a/drivers/thermal/intel/int340x_thermal/int340x_thermal_zone.c
+++ b/drivers/thermal/intel/int340x_thermal/int340x_thermal_zone.c
@@ -67,6 +67,16 @@ static struct thermal_zone_device_ops int340x_thermal_zone_ops = {
 	.critical	= int340x_thermal_critical,
 };
 
+static inline void *int_to_trip_priv(int i)
+{
+	return (void *)(long)i;
+}
+
+static inline int trip_priv_to_int(const struct thermal_trip *trip)
+{
+	return (long)trip->priv;
+}
+
 static int int340x_thermal_read_trips(struct acpi_device *zone_adev,
 				      struct thermal_trip *zone_trips,
 				      int trip_cnt)
@@ -101,6 +111,7 @@ static int int340x_thermal_read_trips(struct acpi_device *zone_adev,
 			break;
 
 		zone_trips[trip_cnt].type = THERMAL_TRIP_ACTIVE;
+		zone_trips[trip_cnt].priv = int_to_trip_priv(i);
 		trip_cnt++;
 	}
 
@@ -212,45 +223,40 @@ void int340x_thermal_zone_remove(struct int34x_thermal_zone *int34x_zone)
 }
 EXPORT_SYMBOL_GPL(int340x_thermal_zone_remove);
 
-void int340x_thermal_update_trips(struct int34x_thermal_zone *int34x_zone)
+static int int340x_update_one_trip(struct thermal_trip *trip, void *arg)
 {
-	struct acpi_device *zone_adev = int34x_zone->adev;
-	struct thermal_trip *zone_trips = int34x_zone->trips;
-	int trip_cnt = int34x_zone->zone->num_trips;
-	int act_trip_nr = 0;
-	int i;
-
-	mutex_lock(&int34x_zone->zone->lock);
-
-	for (i = int34x_zone->aux_trip_nr; i < trip_cnt; i++) {
-		int temp, err;
-
-		switch (zone_trips[i].type) {
-		case THERMAL_TRIP_CRITICAL:
-			err = thermal_acpi_critical_trip_temp(zone_adev, &temp);
-			break;
-		case THERMAL_TRIP_HOT:
-			err = thermal_acpi_hot_trip_temp(zone_adev, &temp);
-			break;
-		case THERMAL_TRIP_PASSIVE:
-			err = thermal_acpi_passive_trip_temp(zone_adev, &temp);
-			break;
-		case THERMAL_TRIP_ACTIVE:
-			err = thermal_acpi_active_trip_temp(zone_adev, act_trip_nr++,
-							    &temp);
-			break;
-		default:
-			err = -ENODEV;
-		}
-		if (err) {
-			zone_trips[i].temperature = THERMAL_TEMP_INVALID;
-			continue;
-		}
-
-		zone_trips[i].temperature = temp;
+	struct acpi_device *zone_adev = arg;
+	int temp, err;
+
+	switch (trip->type) {
+	case THERMAL_TRIP_CRITICAL:
+		err = thermal_acpi_critical_trip_temp(zone_adev, &temp);
+		break;
+	case THERMAL_TRIP_HOT:
+		err = thermal_acpi_hot_trip_temp(zone_adev, &temp);
+		break;
+	case THERMAL_TRIP_PASSIVE:
+		err = thermal_acpi_passive_trip_temp(zone_adev, &temp);
+		break;
+	case THERMAL_TRIP_ACTIVE:
+		err = thermal_acpi_active_trip_temp(zone_adev,
+						    trip_priv_to_int(trip),
+						    &temp);
+		break;
+	default:
+		err = -ENODEV;
 	}
+	if (err)
+		temp = THERMAL_TEMP_INVALID;
 
-	mutex_unlock(&int34x_zone->zone->lock);
+	trip->temperature = temp;
+	return 0;
+}
+
+void int340x_thermal_update_trips(struct int34x_thermal_zone *int34x_zone)
+{
+	thermal_zone_for_each_trip(int34x_zone->zone, int340x_update_one_trip,
+				   int34x_zone->adev);
 }
 EXPORT_SYMBOL_GPL(int340x_thermal_update_trips);
 
diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c
index dad909547179f8d283645681fd1bd995bd09fe1c..bd3f4bb85a4444e7144203cd1000a22e312ddc1a 100644
--- a/drivers/thermal/thermal_core.c
+++ b/drivers/thermal/thermal_core.c
@@ -305,7 +305,8 @@ static void monitor_thermal_zone(struct thermal_zone_device *tz)
 		thermal_zone_device_set_polling(tz, tz->polling_delay_jiffies);
 }
 
-static void handle_non_critical_trips(struct thermal_zone_device *tz, int trip)
+static void handle_non_critical_trips(struct thermal_zone_device *tz,
+				      const struct thermal_trip *trip)
 {
 	tz->governor ? tz->governor->throttle(tz, trip) :
 		       def_governor->throttle(tz, trip);
@@ -327,48 +328,43 @@ void thermal_zone_device_critical(struct thermal_zone_device *tz)
 EXPORT_SYMBOL(thermal_zone_device_critical);
 
 static void handle_critical_trips(struct thermal_zone_device *tz,
-				  int trip, int trip_temp, enum thermal_trip_type trip_type)
+				  const struct thermal_trip *trip)
 {
 	/* If we have not crossed the trip_temp, we do not care. */
-	if (trip_temp <= 0 || tz->temperature < trip_temp)
+	if (trip->temperature <= 0 || tz->temperature < trip->temperature)
 		return;
 
-	trace_thermal_zone_trip(tz, trip, trip_type);
+	trace_thermal_zone_trip(tz, thermal_zone_trip_id(tz, trip), trip->type);
 
-	if (trip_type == THERMAL_TRIP_HOT && tz->ops->hot)
-		tz->ops->hot(tz);
-	else if (trip_type == THERMAL_TRIP_CRITICAL)
+	if (trip->type == THERMAL_TRIP_CRITICAL)
 		tz->ops->critical(tz);
+	else if (tz->ops->hot)
+		tz->ops->hot(tz);
 }
 
-static void handle_thermal_trip(struct thermal_zone_device *tz, int trip_id)
+static void handle_thermal_trip(struct thermal_zone_device *tz,
+				const struct thermal_trip *trip)
 {
-	struct thermal_trip trip;
-
-	/* Ignore disabled trip points */
-	if (test_bit(trip_id, &tz->trips_disabled))
-		return;
-
-	__thermal_zone_get_trip(tz, trip_id, &trip);
-
-	if (trip.temperature == THERMAL_TEMP_INVALID)
+	if (trip->temperature == THERMAL_TEMP_INVALID)
 		return;
 
 	if (tz->last_temperature != THERMAL_TEMP_INVALID) {
-		if (tz->last_temperature < trip.temperature &&
-		    tz->temperature >= trip.temperature)
-			thermal_notify_tz_trip_up(tz->id, trip_id,
+		if (tz->last_temperature < trip->temperature &&
+		    tz->temperature >= trip->temperature)
+			thermal_notify_tz_trip_up(tz->id,
+						  thermal_zone_trip_id(tz, trip),
 						  tz->temperature);
-		if (tz->last_temperature >= trip.temperature &&
-		    tz->temperature < (trip.temperature - trip.hysteresis))
-			thermal_notify_tz_trip_down(tz->id, trip_id,
+		if (tz->last_temperature >= trip->temperature &&
+		    tz->temperature < trip->temperature - trip->hysteresis)
+			thermal_notify_tz_trip_down(tz->id,
+						    thermal_zone_trip_id(tz, trip),
 						    tz->temperature);
 	}
 
-	if (trip.type == THERMAL_TRIP_CRITICAL || trip.type == THERMAL_TRIP_HOT)
-		handle_critical_trips(tz, trip_id, trip.temperature, trip.type);
+	if (trip->type == THERMAL_TRIP_CRITICAL || trip->type == THERMAL_TRIP_HOT)
+		handle_critical_trips(tz, trip);
 	else
-		handle_non_critical_trips(tz, trip_id);
+		handle_non_critical_trips(tz, trip);
 }
 
 static void update_temperature(struct thermal_zone_device *tz)
@@ -405,7 +401,7 @@ static void thermal_zone_device_init(struct thermal_zone_device *tz)
 void __thermal_zone_device_update(struct thermal_zone_device *tz,
 				  enum thermal_notify_event event)
 {
-	int count;
+	const struct thermal_trip *trip;
 
 	if (tz->suspended)
 		return;
@@ -424,8 +420,8 @@ void __thermal_zone_device_update(struct thermal_zone_device *tz,
 
 	tz->notify_event = event;
 
-	for (count = 0; count < tz->num_trips; count++)
-		handle_thermal_trip(tz, count);
+	for_each_trip(tz, trip)
+		handle_thermal_trip(tz, trip);
 
 	monitor_thermal_zone(tz);
 }
@@ -502,25 +498,6 @@ void thermal_zone_device_update(struct thermal_zone_device *tz,
 }
 EXPORT_SYMBOL_GPL(thermal_zone_device_update);
 
-/**
- * thermal_zone_device_exec - Run a callback under the zone lock.
- * @tz: Thermal zone.
- * @cb: Callback to run.
- * @data: Data to pass to the callback.
- */
-void thermal_zone_device_exec(struct thermal_zone_device *tz,
-			      void (*cb)(struct thermal_zone_device *,
-					 unsigned long),
-			      unsigned long data)
-{
-	mutex_lock(&tz->lock);
-
-	cb(tz, data);
-
-	mutex_unlock(&tz->lock);
-}
-EXPORT_SYMBOL_GPL(thermal_zone_device_exec);
-
 static void thermal_zone_device_check(struct work_struct *work)
 {
 	struct thermal_zone_device *tz = container_of(work, struct
@@ -607,10 +584,9 @@ struct thermal_zone_device *thermal_zone_get_by_id(int id)
  */
 
 /**
- * thermal_zone_bind_cooling_device() - bind a cooling device to a thermal zone
+ * thermal_bind_cdev_to_trip - bind a cooling device to a thermal zone
  * @tz:		pointer to struct thermal_zone_device
- * @trip_index:	indicates which trip point the cooling devices is
- *		associated with in this thermal zone.
+ * @trip:	trip point the cooling devices is associated with in this zone.
  * @cdev:	pointer to struct thermal_cooling_device
  * @upper:	the Maximum cooling state for this trip point.
  *		THERMAL_NO_LIMIT means no upper limit,
@@ -628,8 +604,8 @@ struct thermal_zone_device *thermal_zone_get_by_id(int id)
  *
  * Return: 0 on success, the proper error value otherwise.
  */
-int thermal_zone_bind_cooling_device(struct thermal_zone_device *tz,
-				     int trip_index,
+int thermal_bind_cdev_to_trip(struct thermal_zone_device *tz,
+				     const struct thermal_trip *trip,
 				     struct thermal_cooling_device *cdev,
 				     unsigned long upper, unsigned long lower,
 				     unsigned int weight)
@@ -638,15 +614,9 @@ int thermal_zone_bind_cooling_device(struct thermal_zone_device *tz,
 	struct thermal_instance *pos;
 	struct thermal_zone_device *pos1;
 	struct thermal_cooling_device *pos2;
-	const struct thermal_trip *trip;
 	bool upper_no_limit;
 	int result;
 
-	if (trip_index >= tz->num_trips || trip_index < 0)
-		return -EINVAL;
-
-	trip = &tz->trips[trip_index];
-
 	list_for_each_entry(pos1, &thermal_tz_list, node) {
 		if (pos1 == tz)
 			break;
@@ -745,14 +715,26 @@ int thermal_zone_bind_cooling_device(struct thermal_zone_device *tz,
 	kfree(dev);
 	return result;
 }
+EXPORT_SYMBOL_GPL(thermal_bind_cdev_to_trip);
+
+int thermal_zone_bind_cooling_device(struct thermal_zone_device *tz,
+				     int trip_index,
+				     struct thermal_cooling_device *cdev,
+				     unsigned long upper, unsigned long lower,
+				     unsigned int weight)
+{
+	if (trip_index < 0 || trip_index >= tz->num_trips)
+		return -EINVAL;
+
+	return thermal_bind_cdev_to_trip(tz, &tz->trips[trip_index], cdev,
+					 upper, lower, weight);
+}
 EXPORT_SYMBOL_GPL(thermal_zone_bind_cooling_device);
 
 /**
- * thermal_zone_unbind_cooling_device() - unbind a cooling device from a
- *					  thermal zone.
+ * thermal_unbind_cdev_from_trip - unbind a cooling device from a thermal zone.
  * @tz:		pointer to a struct thermal_zone_device.
- * @trip_index:	indicates which trip point the cooling devices is
- *		associated with in this thermal zone.
+ * @trip:	trip point the cooling devices is associated with in this zone.
  * @cdev:	pointer to a struct thermal_cooling_device.
  *
  * This interface function unbind a thermal cooling device from the certain
@@ -761,16 +743,14 @@ EXPORT_SYMBOL_GPL(thermal_zone_bind_cooling_device);
  *
  * Return: 0 on success, the proper error value otherwise.
  */
-int thermal_zone_unbind_cooling_device(struct thermal_zone_device *tz,
-				       int trip_index,
-				       struct thermal_cooling_device *cdev)
+int thermal_unbind_cdev_from_trip(struct thermal_zone_device *tz,
+				  const struct thermal_trip *trip,
+				  struct thermal_cooling_device *cdev)
 {
 	struct thermal_instance *pos, *next;
-	const struct thermal_trip *trip;
 
 	mutex_lock(&tz->lock);
 	mutex_lock(&cdev->lock);
-	trip = &tz->trips[trip_index];
 	list_for_each_entry_safe(pos, next, &tz->thermal_instances, tz_node) {
 		if (pos->tz == tz && pos->trip == trip && pos->cdev == cdev) {
 			list_del(&pos->tz_node);
@@ -793,6 +773,17 @@ int thermal_zone_unbind_cooling_device(struct thermal_zone_device *tz,
 	kfree(pos);
 	return 0;
 }
+EXPORT_SYMBOL_GPL(thermal_unbind_cdev_from_trip);
+
+int thermal_zone_unbind_cooling_device(struct thermal_zone_device *tz,
+				       int trip_index,
+				       struct thermal_cooling_device *cdev)
+{
+	if (trip_index < 0 || trip_index >= tz->num_trips)
+		return -EINVAL;
+
+	return thermal_unbind_cdev_from_trip(tz, &tz->trips[trip_index], cdev);
+}
 EXPORT_SYMBOL_GPL(thermal_zone_unbind_cooling_device);
 
 static void thermal_release(struct device *dev)
@@ -1241,7 +1232,6 @@ thermal_zone_device_register_with_trips(const char *type, struct thermal_trip *t
 	struct thermal_zone_device *tz;
 	int id;
 	int result;
-	int count;
 	struct thermal_governor *governor;
 
 	if (!type || strlen(type) == 0) {
@@ -1341,14 +1331,6 @@ thermal_zone_device_register_with_trips(const char *type, struct thermal_trip *t
 	if (result)
 		goto release_device;
 
-	for (count = 0; count < num_trips; count++) {
-		struct thermal_trip trip;
-
-		result = thermal_zone_get_trip(tz, count, &trip);
-		if (result || !trip.temperature)
-			set_bit(count, &tz->trips_disabled);
-	}
-
 	/* Update 'this' zone's governor information */
 	mutex_lock(&thermal_governor_lock);
 
diff --git a/drivers/thermal/thermal_core.h b/drivers/thermal/thermal_core.h
index 024e82ebf5920f109a0a29dd07b9ab627259f52d..0a3b3ec5120ba74018a28a2da8985d7f831112c8 100644
--- a/drivers/thermal/thermal_core.h
+++ b/drivers/thermal/thermal_core.h
@@ -70,7 +70,7 @@ static inline bool cdev_is_power_actor(struct thermal_cooling_device *cdev)
 void thermal_cdev_update(struct thermal_cooling_device *);
 void __thermal_cdev_update(struct thermal_cooling_device *cdev);
 
-int get_tz_trend(struct thermal_zone_device *tz, int trip_index);
+int get_tz_trend(struct thermal_zone_device *tz, const struct thermal_trip *trip);
 
 struct thermal_instance *
 get_thermal_instance(struct thermal_zone_device *tz,
@@ -116,6 +116,9 @@ void __thermal_zone_device_update(struct thermal_zone_device *tz,
 				  enum thermal_notify_event event);
 
 /* Helpers */
+#define for_each_trip(__tz, __trip)	\
+	for (__trip = __tz->trips; __trip - __tz->trips < __tz->num_trips; __trip++)
+
 void __thermal_zone_set_trips(struct thermal_zone_device *tz);
 int __thermal_zone_get_trip(struct thermal_zone_device *tz, int trip_id,
 			    struct thermal_trip *trip);
diff --git a/drivers/thermal/thermal_helpers.c b/drivers/thermal/thermal_helpers.c
index c1d0af73c85d6f83b8730fd8af2712f482d57108..69e8ea4aa908bdb33f093315a867e22efae9070a 100644
--- a/drivers/thermal/thermal_helpers.c
+++ b/drivers/thermal/thermal_helpers.c
@@ -22,9 +22,8 @@
 #include "thermal_core.h"
 #include "thermal_trace.h"
 
-int get_tz_trend(struct thermal_zone_device *tz, int trip_index)
+int get_tz_trend(struct thermal_zone_device *tz, const struct thermal_trip *trip)
 {
-	struct thermal_trip *trip = tz->trips ? &tz->trips[trip_index] : NULL;
 	enum thermal_trend trend;
 
 	if (tz->emul_temperature || !tz->ops->get_trend ||
diff --git a/drivers/thermal/thermal_trip.c b/drivers/thermal/thermal_trip.c
index afc9499128c29ba7aa4ff0cc3fb9318403c9c2aa..e42456442c68e0f7e9faa1498d5cfd4b845a7925 100644
--- a/drivers/thermal/thermal_trip.c
+++ b/drivers/thermal/thermal_trip.c
@@ -13,12 +13,11 @@ int for_each_thermal_trip(struct thermal_zone_device *tz,
 			  int (*cb)(struct thermal_trip *, void *),
 			  void *data)
 {
-	int i, ret;
-
-	lockdep_assert_held(&tz->lock);
+	struct thermal_trip *trip;
+	int ret;
 
-	for (i = 0; i < tz->num_trips; i++) {
-		ret = cb(&tz->trips[i], data);
+	for_each_trip(tz, trip) {
+		ret = cb(trip, data);
 		if (ret)
 			return ret;
 	}
@@ -27,6 +26,20 @@ int for_each_thermal_trip(struct thermal_zone_device *tz,
 }
 EXPORT_SYMBOL_GPL(for_each_thermal_trip);
 
+int thermal_zone_for_each_trip(struct thermal_zone_device *tz,
+			       int (*cb)(struct thermal_trip *, void *),
+			       void *data)
+{
+	int ret;
+
+	mutex_lock(&tz->lock);
+	ret = for_each_thermal_trip(tz, cb, data);
+	mutex_unlock(&tz->lock);
+
+	return ret;
+}
+EXPORT_SYMBOL_GPL(thermal_zone_for_each_trip);
+
 int thermal_zone_get_num_trips(struct thermal_zone_device *tz)
 {
 	return tz->num_trips;
@@ -176,12 +189,9 @@ int thermal_zone_set_trip(struct thermal_zone_device *tz, int trip_id,
 int thermal_zone_trip_id(struct thermal_zone_device *tz,
 			 const struct thermal_trip *trip)
 {
-	int i;
-
-	for (i = 0; i < tz->num_trips; i++) {
-		if (&tz->trips[i] == trip)
-			return i;
-	}
-
-	return -ENODATA;
+	/*
+	 * Assume the trip to be located within the bounds of the thermal
+	 * zone's trips[] table.
+	 */
+	return trip - tz->trips;
 }
diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h
index 9cb733b2329ea3c7977ebc1fce143338d93fba59..5968192e674caf95ebbec7be416cb528d7367b65 100644
--- a/include/acpi/acpi_bus.h
+++ b/include/acpi/acpi_bus.h
@@ -17,11 +17,9 @@
 #include <linux/property.h>
 #include <linux/types.h>
 
-/* TBD: Make dynamic */
-#define ACPI_MAX_HANDLES	10
 struct acpi_handle_list {
 	u32 count;
-	acpi_handle handles[ACPI_MAX_HANDLES];
+	acpi_handle *handles;
 };
 
 /* acpi_utils.h */
@@ -37,6 +35,11 @@ acpi_evaluate_reference(acpi_handle handle,
 			acpi_string pathname,
 			struct acpi_object_list *arguments,
 			struct acpi_handle_list *list);
+bool acpi_handle_list_equal(struct acpi_handle_list *list1,
+			    struct acpi_handle_list *list2);
+void acpi_handle_list_replace(struct acpi_handle_list *dst,
+			      struct acpi_handle_list *src);
+void acpi_handle_list_free(struct acpi_handle_list *list);
 acpi_status
 acpi_evaluate_ost(acpi_handle handle, u32 source_event, u32 status_code,
 		  struct acpi_buffer *status_buf);
diff --git a/include/linux/thermal.h b/include/linux/thermal.h
index 2e9d18ba465314e8bd80151e465fe357efbcf4fc..578e3d0d6f851368eb58c264f1310eaa8fa6abdf 100644
--- a/include/linux/thermal.h
+++ b/include/linux/thermal.h
@@ -123,7 +123,6 @@ struct thermal_cooling_device {
  * @devdata:	private pointer for device private data
  * @trips:	an array of struct thermal_trip
  * @num_trips:	number of trip points the thermal zone supports
- * @trips_disabled;	bitmap for disabled trips
  * @passive_delay_jiffies: number of jiffies to wait between polls when
  *			performing passive cooling.
  * @polling_delay_jiffies: number of jiffies to wait between polls when
@@ -166,7 +165,6 @@ struct thermal_zone_device {
 	void *devdata;
 	struct thermal_trip *trips;
 	int num_trips;
-	unsigned long trips_disabled;	/* bitmap for disabled trips */
 	unsigned long passive_delay_jiffies;
 	unsigned long polling_delay_jiffies;
 	int temperature;
@@ -205,7 +203,8 @@ struct thermal_governor {
 	char name[THERMAL_NAME_LENGTH];
 	int (*bind_to_tz)(struct thermal_zone_device *tz);
 	void (*unbind_from_tz)(struct thermal_zone_device *tz);
-	int (*throttle)(struct thermal_zone_device *tz, int trip);
+	int (*throttle)(struct thermal_zone_device *tz,
+			const struct thermal_trip *trip);
 	struct list_head	governor_list;
 };
 
@@ -292,6 +291,9 @@ int thermal_zone_set_trip(struct thermal_zone_device *tz, int trip_id,
 int for_each_thermal_trip(struct thermal_zone_device *tz,
 			  int (*cb)(struct thermal_trip *, void *),
 			  void *data);
+int thermal_zone_for_each_trip(struct thermal_zone_device *tz,
+			       int (*cb)(struct thermal_trip *, void *),
+			       void *data);
 int thermal_zone_get_num_trips(struct thermal_zone_device *tz);
 
 int thermal_zone_get_crit_temp(struct thermal_zone_device *tz, int *temp);
@@ -326,18 +328,22 @@ const char *thermal_zone_device_type(struct thermal_zone_device *tzd);
 int thermal_zone_device_id(struct thermal_zone_device *tzd);
 struct device *thermal_zone_device(struct thermal_zone_device *tzd);
 
+int thermal_bind_cdev_to_trip(struct thermal_zone_device *tz,
+			      const struct thermal_trip *trip,
+			      struct thermal_cooling_device *cdev,
+			      unsigned long upper, unsigned long lower,
+			      unsigned int weight);
 int thermal_zone_bind_cooling_device(struct thermal_zone_device *, int,
 				     struct thermal_cooling_device *,
 				     unsigned long, unsigned long,
 				     unsigned int);
+int thermal_unbind_cdev_from_trip(struct thermal_zone_device *tz,
+				  const struct thermal_trip *trip,
+				  struct thermal_cooling_device *cdev);
 int thermal_zone_unbind_cooling_device(struct thermal_zone_device *, int,
 				       struct thermal_cooling_device *);
 void thermal_zone_device_update(struct thermal_zone_device *,
 				enum thermal_notify_event);
-void thermal_zone_device_exec(struct thermal_zone_device *tz,
-			      void (*cb)(struct thermal_zone_device *,
-					 unsigned long),
-			      unsigned long data);
 
 struct thermal_cooling_device *thermal_cooling_device_register(const char *,
 		void *, const struct thermal_cooling_device_ops *);