diff --git a/drivers/power/ds2760_battery.c b/drivers/power/ds2760_battery.c
index bdb9b7285b3..71be36f1870 100644
--- a/drivers/power/ds2760_battery.c
+++ b/drivers/power/ds2760_battery.c
@@ -262,7 +262,7 @@ static void ds2760_battery_work(struct work_struct *work)
 		struct ds2760_device_info, monitor_work.work);
 	const int interval = HZ * 60;
 
-	dev_dbg(di->dev, "%s\n", __FUNCTION__);
+	dev_dbg(di->dev, "%s\n", __func__);
 
 	ds2760_battery_update_status(di);
 	queue_delayed_work(di->monitor_wqueue, &di->monitor_work, interval);
@@ -275,7 +275,7 @@ static void ds2760_battery_external_power_changed(struct power_supply *psy)
 {
 	struct ds2760_device_info *di = to_ds2760_device_info(psy);
 
-	dev_dbg(di->dev, "%s\n", __FUNCTION__);
+	dev_dbg(di->dev, "%s\n", __func__);
 
 	cancel_delayed_work(&di->monitor_work);
 	queue_delayed_work(di->monitor_wqueue, &di->monitor_work, HZ/10);
diff --git a/drivers/power/power_supply_core.c b/drivers/power/power_supply_core.c
index 03d6a38464e..138dd76ee34 100644
--- a/drivers/power/power_supply_core.c
+++ b/drivers/power/power_supply_core.c
@@ -39,7 +39,7 @@ static void power_supply_changed_work(struct work_struct *work)
 	struct power_supply *psy = container_of(work, struct power_supply,
 						changed_work);
 
-	dev_dbg(psy->dev, "%s\n", __FUNCTION__);
+	dev_dbg(psy->dev, "%s\n", __func__);
 
 	class_for_each_device(power_supply_class, psy,
 			      __power_supply_changed_work);
@@ -51,7 +51,7 @@ static void power_supply_changed_work(struct work_struct *work)
 
 void power_supply_changed(struct power_supply *psy)
 {
-	dev_dbg(psy->dev, "%s\n", __FUNCTION__);
+	dev_dbg(psy->dev, "%s\n", __func__);
 
 	schedule_work(&psy->changed_work);
 }
@@ -82,7 +82,7 @@ int power_supply_am_i_supplied(struct power_supply *psy)
 	error = class_for_each_device(power_supply_class, psy,
 				      __power_supply_am_i_supplied);
 
-	dev_dbg(psy->dev, "%s %d\n", __FUNCTION__, error);
+	dev_dbg(psy->dev, "%s %d\n", __func__, error);
 
 	return error;
 }
diff --git a/drivers/power/power_supply_leds.c b/drivers/power/power_supply_leds.c
index fa3034f85c3..2dece40c544 100644
--- a/drivers/power/power_supply_leds.c
+++ b/drivers/power/power_supply_leds.c
@@ -24,7 +24,7 @@ static void power_supply_update_bat_leds(struct power_supply *psy)
 	if (psy->get_property(psy, POWER_SUPPLY_PROP_STATUS, &status))
 		return;
 
-	dev_dbg(psy->dev, "%s %d\n", __FUNCTION__, status.intval);
+	dev_dbg(psy->dev, "%s %d\n", __func__, status.intval);
 
 	switch (status.intval) {
 	case POWER_SUPPLY_STATUS_FULL:
@@ -101,7 +101,7 @@ static void power_supply_update_gen_leds(struct power_supply *psy)
 	if (psy->get_property(psy, POWER_SUPPLY_PROP_ONLINE, &online))
 		return;
 
-	dev_dbg(psy->dev, "%s %d\n", __FUNCTION__, online.intval);
+	dev_dbg(psy->dev, "%s %d\n", __func__, online.intval);
 
 	if (online.intval)
 		led_trigger_event(psy->online_trig, LED_FULL);