power: replace remaining __FUNCTION__ occurrences

__FUNCTION__ is gcc-specific, use __func__

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Cc: Greg KH <greg@kroah.com>
Cc: "Rafael J. Wysocki" <rjw@sisk.pl>
Cc: Len Brown <lenb@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/power/ds2760_battery.c b/drivers/power/ds2760_battery.c
index bdb9b72..71be36f 100644
--- a/drivers/power/ds2760_battery.c
+++ b/drivers/power/ds2760_battery.c
@@ -262,7 +262,7 @@
 		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 @@
 {
 	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);