diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c
index 276d5a701dc37cfbebc828a88efc824abc163774..db677199403cfeb53ff3d3438283bb9b7821e4bc 100644
--- a/drivers/base/power/main.c
+++ b/drivers/base/power/main.c
@@ -407,7 +407,7 @@ static void pm_dev_err(struct device *dev, pm_message_t state, char *info,
 static void dpm_show_time(ktime_t starttime, pm_message_t state, char *info)
 {
 	ktime_t calltime;
-	s64 usecs64;
+	u64 usecs64;
 	int usecs;
 
 	calltime = ktime_get();