lkml.org 
[lkml]   [2016]   [Jun]   [20]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 06/12] HID,wacom: Employ atomic_fetch_inc()
Date
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@kernel.org>
Signed-off-by: Davidlohr Bueso <dbueso@suse.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
\
 
 \ /
  Last update: 2016-06-20 22:41    [W:0.208 / U:0.964 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site