diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c
index cad19e62537e..25c75dad8ec4 100644
--- a/drivers/acpi/thermal.c
+++ b/drivers/acpi/thermal.c
@@ -25,6 +25,7 @@
 #include <linux/kmod.h>
 #include <linux/reboot.h>
 #include <linux/device.h>
+#include <linux/platform_device.h>
 #include <linux/thermal.h>
 #include <linux/acpi.h>
 #include <linux/workqueue.h>
@@ -776,9 +777,10 @@ static void acpi_thermal_free_thermal_zone(struct acpi_thermal *tz)
 	kfree(tz);
 }
 
-static int acpi_thermal_add(struct acpi_device *device)
+static int acpi_thermal_probe(struct platform_device *pdev)
 {
 	struct thermal_trip trip_table[ACPI_THERMAL_MAX_NR_TRIPS] = { 0 };
+	struct acpi_device *device = ACPI_COMPANION(&pdev->dev);
 	struct acpi_thermal_trip *acpi_trip;
 	struct thermal_trip *trip;
 	struct acpi_thermal *tz;
@@ -794,11 +796,12 @@ static int acpi_thermal_add(struct acpi_device *device)
 	if (!tz)
 		return -ENOMEM;
 
+	platform_set_drvdata(pdev, tz);
+
 	tz->device = device;
 	strscpy(tz->name, device->pnp.bus_id);
 	strscpy(acpi_device_name(device), ACPI_THERMAL_DEVICE_NAME);
 	strscpy(acpi_device_class(device), ACPI_THERMAL_CLASS);
-	device->driver_data = tz;
 
 	acpi_thermal_aml_dependency_fix(tz);
 
@@ -895,16 +898,11 @@ static int acpi_thermal_add(struct acpi_device *device)
 	return result;
 }
 
-static void acpi_thermal_remove(struct acpi_device *device)
+static void acpi_thermal_remove(struct platform_device *pdev)
 {
-	struct acpi_thermal *tz;
+	struct acpi_thermal *tz = platform_get_drvdata(pdev);
 
-	if (!device || !acpi_driver_data(device))
-		return;
-
-	tz = acpi_driver_data(device);
-
-	acpi_dev_remove_notify_handler(device, ACPI_DEVICE_NOTIFY,
+	acpi_dev_remove_notify_handler(tz->device, ACPI_DEVICE_NOTIFY,
 				       acpi_thermal_notify);
 
 	flush_workqueue(acpi_thermal_pm_queue);
@@ -922,16 +920,9 @@ static int acpi_thermal_suspend(struct device *dev)
 
 static int acpi_thermal_resume(struct device *dev)
 {
-	struct acpi_thermal *tz;
+	struct acpi_thermal *tz = dev_get_drvdata(dev);
 	int i, j;
 
-	if (!dev)
-		return -EINVAL;
-
-	tz = acpi_driver_data(to_acpi_device(dev));
-	if (!tz)
-		return -EINVAL;
-
 	for (i = 0; i < ACPI_THERMAL_MAX_ACTIVE; i++) {
 		struct acpi_thermal_trip *acpi_trip = &tz->trips.active[i].trip;
 
@@ -958,15 +949,14 @@ static const struct acpi_device_id  thermal_device_ids[] = {
 };
 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,
-		},
-	.drv.pm = &acpi_thermal_pm,
+static struct platform_driver acpi_thermal_driver = {
+	.probe = acpi_thermal_probe,
+	.remove = acpi_thermal_remove,
+	.driver = {
+		.name = "acpi-thermal",
+		.acpi_match_table = thermal_device_ids,
+		.pm = &acpi_thermal_pm,
+	},
 };
 
 static int thermal_act(const struct dmi_system_id *d)
@@ -1064,7 +1054,7 @@ static int __init acpi_thermal_init(void)
 	if (!acpi_thermal_pm_queue)
 		return -ENODEV;
 
-	result = acpi_bus_register_driver(&acpi_thermal_driver);
+	result = platform_driver_register(&acpi_thermal_driver);
 	if (result < 0) {
 		destroy_workqueue(acpi_thermal_pm_queue);
 		return -ENODEV;
@@ -1075,7 +1065,7 @@ static int __init acpi_thermal_init(void)
 
 static void __exit acpi_thermal_exit(void)
 {
-	acpi_bus_unregister_driver(&acpi_thermal_driver);
+	platform_driver_unregister(&acpi_thermal_driver);
 	destroy_workqueue(acpi_thermal_pm_queue);
 }