diff --git a/include/linux/pm_domain.h b/include/linux/pm_domain.h
index fb809b9..a03a0ad 100644
--- a/include/linux/pm_domain.h
+++ b/include/linux/pm_domain.h
@@ -140,6 +140,7 @@
 
 extern bool default_stop_ok(struct device *dev);
 
+extern struct dev_power_governor pm_domain_always_on_gov;
 #else
 
 static inline struct generic_pm_domain *dev_to_genpd(struct device *dev)
@@ -193,6 +194,7 @@
 {
 	return false;
 }
+#define pm_domain_always_on_gov NULL
 #endif
 
 static inline int pm_genpd_remove_callbacks(struct device *dev)