diff --git a/drivers/base/power/domain.c b/drivers/base/power/domain.c
index 1aed94c73cfc63c161a2ba61b9e0be47dc69062f..1f1a7d85f29de6d687580bac6b1d5595df9da25f 100644
--- a/drivers/base/power/domain.c
+++ b/drivers/base/power/domain.c
@@ -37,7 +37,7 @@ static void genpd_sd_counter_dec(struct generic_pm_domain *genpd)
  * Restore power to @genpd and all of its parents so that it is possible to
  * resume a device belonging to it.
  */
-static int pm_genpd_poweron(struct generic_pm_domain *genpd)
+int pm_genpd_poweron(struct generic_pm_domain *genpd)
 {
 	int ret = 0;
 
diff --git a/include/linux/pm_domain.h b/include/linux/pm_domain.h
index 98491ee35102979c10ee3de9574aad37706538ab..14fb0953fa478b81e792849703c4398a3e5fdc7a 100644
--- a/include/linux/pm_domain.h
+++ b/include/linux/pm_domain.h
@@ -63,6 +63,7 @@ extern int pm_genpd_remove_subdomain(struct generic_pm_domain *genpd,
 				     struct generic_pm_domain *target);
 extern void pm_genpd_init(struct generic_pm_domain *genpd,
 			  struct dev_power_governor *gov, bool is_off);
+extern int pm_genpd_poweron(struct generic_pm_domain *genpd);
 #else
 static inline int pm_genpd_add_device(struct generic_pm_domain *genpd,
 				      struct device *dev)
@@ -86,6 +87,10 @@ static inline int pm_genpd_remove_subdomain(struct generic_pm_domain *genpd,
 }
 static inline void pm_genpd_init(struct generic_pm_domain *genpd,
 				 struct dev_power_governor *gov, bool is_off) {}
+static inline int pm_genpd_poweron(struct generic_pm_domain *genpd)
+{
+	return -ENOSYS;
+}
 #endif
 
 #endif /* _LINUX_PM_DOMAIN_H */