diff --git a/drivers/base/power/domain.c b/drivers/base/power/domain.c
index 4b5714199490802d626df3c34952925be0ee6e77..69142d2f64dc5c071737e22a8b55e27094049b91 100644
--- a/drivers/base/power/domain.c
+++ b/drivers/base/power/domain.c
@@ -2383,7 +2383,7 @@ EXPORT_SYMBOL_GPL(genpd_dev_pm_attach_by_id);
  * power-domain-names DT property. For further description see
  * genpd_dev_pm_attach_by_id().
  */
-struct device *genpd_dev_pm_attach_by_name(struct device *dev, char *name)
+struct device *genpd_dev_pm_attach_by_name(struct device *dev, const char *name)
 {
 	int index;
 
diff --git a/include/linux/pm_domain.h b/include/linux/pm_domain.h
index 776c546d581afb4064d977e4f4f729a69ea68f0a..ebd9589979af91e647637d78b0dd3d3bba196345 100644
--- a/include/linux/pm_domain.h
+++ b/include/linux/pm_domain.h
@@ -240,7 +240,7 @@ int genpd_dev_pm_attach(struct device *dev);
 struct device *genpd_dev_pm_attach_by_id(struct device *dev,
 					 unsigned int index);
 struct device *genpd_dev_pm_attach_by_name(struct device *dev,
-					   char *name);
+					   const char *name);
 #else /* !CONFIG_PM_GENERIC_DOMAINS_OF */
 static inline int of_genpd_add_provider_simple(struct device_node *np,
 					struct generic_pm_domain *genpd)
@@ -293,7 +293,7 @@ static inline struct device *genpd_dev_pm_attach_by_id(struct device *dev,
 }
 
 static inline struct device *genpd_dev_pm_attach_by_name(struct device *dev,
-							 char *name)
+							 const char *name)
 {
 	return NULL;
 }