[PATCH 06/12] HID,wacom: Employ atomic_fetch_inc()

[Davidlohr Bueso]

Now that we have fetch_inc() we can stop using inc_return() - 1.

These are very similar to the existing OP-RETURN primitives we already
have, except they return the value of the atomic variable _before_
modification.

Cc: Jiri Kosina <jikos@xxxxxxxxxx>
Signed-off-by: Davidlohr Bueso <dbueso@xxxxxxx>
---
 drivers/hid/wacom_sys.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/hid/wacom_sys.c b/drivers/hid/wacom_sys.c
index 499cc8213cfe..88bde7687edd 100644
--- a/drivers/hid/wacom_sys.c
+++ b/drivers/hid/wacom_sys.c
@@ -1088,7 +1088,7 @@ static int wacom_initialize_battery(struct wacom *wacom)
 	if (wacom->wacom_wac.features.quirks & WACOM_QUIRK_BATTERY) {
 		struct power_supply_desc *bat_desc = &wacom->battery_desc;
 		struct power_supply_desc *ac_desc = &wacom->ac_desc;
-		n = atomic_inc_return(&battery_no) - 1;
+		n = atomic_fetch_inc(&battery_no);
 
 		bat_desc->properties = wacom_battery_props;
 		bat_desc->num_properties = ARRAY_SIZE(wacom_battery_props);
-- 
2.6.6