diff --git a/drivers/power/supply/cw2015_battery.c b/drivers/power/supply/cw2015_battery.c
index 8603da6f459309f371fbf9ca9324fef2d3d48f3c..19f62ea957ee17489e2854004d3148c08a165d4b 100644
--- a/drivers/power/supply/cw2015_battery.c
+++ b/drivers/power/supply/cw2015_battery.c
@@ -93,7 +93,7 @@ static int cw_read_word(struct cw_battery *cw_bat, u8 reg, u16 *val)
 	return 0;
 }
 
-int cw_update_profile(struct cw_battery *cw_bat)
+static int cw_update_profile(struct cw_battery *cw_bat)
 {
 	int ret;
 	unsigned int reg_val;
@@ -709,7 +709,7 @@ static int __maybe_unused cw_bat_resume(struct device *dev)
 	return 0;
 }
 
-SIMPLE_DEV_PM_OPS(cw_bat_pm_ops, cw_bat_suspend, cw_bat_resume);
+static SIMPLE_DEV_PM_OPS(cw_bat_pm_ops, cw_bat_suspend, cw_bat_resume);
 
 static int cw_bat_remove(struct i2c_client *client)
 {