diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c
index 6590bb5cb688..b708b66fef94 100644
--- a/drivers/thermal/thermal_core.c
+++ b/drivers/thermal/thermal_core.c
@@ -941,7 +941,7 @@ static void bind_cdev(struct thermal_cooling_device *cdev)
  */
 static struct thermal_cooling_device *
 __thermal_cooling_device_register(struct device_node *np,
-				  char *type, void *devdata,
+				  const char *type, void *devdata,
 				  const struct thermal_cooling_device_ops *ops)
 {
 	struct thermal_cooling_device *cdev;
@@ -1015,7 +1015,7 @@ __thermal_cooling_device_register(struct device_node *np,
  * ERR_PTR. Caller must check return value with IS_ERR*() helpers.
  */
 struct thermal_cooling_device *
-thermal_cooling_device_register(char *type, void *devdata,
+thermal_cooling_device_register(const char *type, void *devdata,
 				const struct thermal_cooling_device_ops *ops)
 {
 	return __thermal_cooling_device_register(NULL, type, devdata, ops);
@@ -1039,7 +1039,7 @@ EXPORT_SYMBOL_GPL(thermal_cooling_device_register);
  */
 struct thermal_cooling_device *
 thermal_of_cooling_device_register(struct device_node *np,
-				   char *type, void *devdata,
+				   const char *type, void *devdata,
 				   const struct thermal_cooling_device_ops *ops)
 {
 	return __thermal_cooling_device_register(np, type, devdata, ops);
diff --git a/include/linux/thermal.h b/include/linux/thermal.h
index 5f4705f46c2f..42ddaafe7705 100644
--- a/include/linux/thermal.h
+++ b/include/linux/thermal.h
@@ -442,10 +442,10 @@ void thermal_zone_device_update(struct thermal_zone_device *,
 				enum thermal_notify_event);
 void thermal_zone_set_trips(struct thermal_zone_device *);
 
-struct thermal_cooling_device *thermal_cooling_device_register(char *, void *,
-		const struct thermal_cooling_device_ops *);
+struct thermal_cooling_device *thermal_cooling_device_register(const char *,
+		void *, const struct thermal_cooling_device_ops *);
 struct thermal_cooling_device *
-thermal_of_cooling_device_register(struct device_node *np, char *, void *,
+thermal_of_cooling_device_register(struct device_node *np, const char *, void *,
 				   const struct thermal_cooling_device_ops *);
 void thermal_cooling_device_unregister(struct thermal_cooling_device *);
 struct thermal_zone_device *thermal_zone_get_zone_by_name(const char *name);