diff --git a/include/linux/pm_domain.h b/include/linux/pm_domain.h
index 2febe31..a7d6172 100644
--- a/include/linux/pm_domain.h
+++ b/include/linux/pm_domain.h
@@ -112,6 +112,7 @@
 	struct gpd_timing_data td;
 	struct notifier_block nb;
 	struct mutex lock;
+	unsigned int refcount;
 	bool need_restore;
 	bool always_on;
 };