[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-Id: <1466453164-13185-7-git-send-email-dave@stgolabs.net>
Date: Mon, 20 Jun 2016 13:05:58 -0700
From: Davidlohr Bueso <dave@...olabs.net>
To: peterz@...radead.org, mingo@...nel.org
Cc: davem@...emloft.net, cw00.choi@...sung.com,
dougthompson@...ssion.com, bp@...en8.de, mchehab@....samsung.com,
gregkh@...uxfoundation.org, pfg@....com, jikos@...nel.org,
hans.verkuil@...co.com, awalls@...metrocast.net,
dledford@...hat.com, sean.hefty@...el.com, kys@...rosoft.com,
heiko.carstens@...ibm.com, James.Bottomley@...senPartnership.com,
sumit.semwal@...aro.org, schwidefsky@...ibm.com,
linux-kernel@...r.kernel.org, dave@...olabs.net,
Davidlohr Bueso <dbueso@...e.de>
Subject: [PATCH 06/12] HID,wacom: Employ atomic_fetch_inc()
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@...nel.org>
Signed-off-by: Davidlohr Bueso <dbueso@...e.de>
---
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
Powered by blists - more mailing lists