1 files changed, 5 insertions, 2 deletions

diff --git a/include/linux/pm.h b/include/linux/pm.h
index a84118911ced..1abfe84f447d 100644
--- a/include/linux/pm.h
+++ b/include/linux/pm.h
@@ -559,7 +559,7 @@ extern void __suspend_report_result(const char *function, void *fn, int ret);
                 __suspend_report_result(__func__, fn, ret);             \
         } while (0)
 
-extern void device_pm_wait_for_dev(struct device *sub, struct device *dev);
+extern int device_pm_wait_for_dev(struct device *sub, struct device *dev);
 #else /* !CONFIG_PM_SLEEP */
 
 #define device_pm_lock() do {} while (0)
@@ -572,7 +572,10 @@ static inline int dpm_suspend_start(pm_message_t state)
 
 #define suspend_report_result(fn, ret)          do {} while (0)
 
-static inline void device_pm_wait_for_dev(struct device *a, struct device *b) {}
+static inline int device_pm_wait_for_dev(struct device *a, struct device *b)
+{
+        return 0;
+}
 #endif /* !CONFIG_PM_SLEEP */
 
 /* How to reorder dpm_list after device_move() */