diff --git a/include/linux/pm_domain.h b/include/linux/pm_domain.h
index 97e3f8e..5f5154d 100644
--- a/include/linux/pm_domain.h
+++ b/include/linux/pm_domain.h
@@ -26,9 +26,8 @@
 struct generic_pm_domain {
 	struct dev_pm_domain domain;	/* PM domain operations */
 	struct list_head gpd_list_node;	/* Node in the global PM domains list */
-	struct list_head sd_node;	/* Node in the parent's subdomain list */
-	struct generic_pm_domain *parent;	/* Parent PM domain */
-	struct list_head sd_list;	/* List of dubdomains */
+	struct list_head master_links;	/* Links with PM domain as a master */
+	struct list_head slave_links;	/* Links with PM domain as a slave */
 	struct list_head dev_list;	/* List of devices */
 	struct mutex lock;
 	struct dev_power_governor *gov;
@@ -55,6 +54,13 @@
 	return container_of(pd, struct generic_pm_domain, domain);
 }
 
+struct gpd_link {
+	struct generic_pm_domain *master;
+	struct list_head master_node;
+	struct generic_pm_domain *slave;
+	struct list_head slave_node;
+};
+
 struct dev_list_entry {
 	struct list_head node;
 	struct device *dev;