1 files changed, 19 insertions, 1 deletions

diff --git a/include/linux/pm.h b/include/linux/pm.h
index 18de9f893497..f497ed06ee15 100644
--- a/include/linux/pm.h
+++ b/include/linux/pm.h
@@ -423,6 +423,22 @@ enum rpm_request {
 
 struct wakeup_source;
 
+struct pm_domain_data {
+        struct list_head list_node;
+        struct device *dev;
+};
+
+struct pm_subsys_data {
+        spinlock_t lock;
+        unsigned int refcount;
+#ifdef CONFIG_PM_CLK
+        struct list_head clock_list;
+#endif
+#ifdef CONFIG_PM_GENERIC_DOMAINS
+        struct pm_domain_data *domain_data;
+#endif
+};
+
 struct dev_pm_info {
         pm_message_t            power_state;
         unsigned int            can_wakeup:1;
@@ -464,10 +480,12 @@ struct dev_pm_info {
         unsigned long           suspended_jiffies;
         unsigned long           accounting_timestamp;
 #endif
-        void                    *subsys_data;  /* Owned by the subsystem. */
+        struct pm_subsys_data   *subsys_data;  /* Owned by the subsystem. */
 };
 
 extern void update_pm_runtime_accounting(struct device *dev);
+extern int dev_pm_get_subsys_data(struct device *dev);
+extern int dev_pm_put_subsys_data(struct device *dev);
 
 /*
  * Power domains provide callbacks that are executed during system suspend,