summaryrefslogtreecommitdiff
path: root/drivers/watchdog/sc520_wdt.c
diff options
context:
space:
mode:
authorAlexander Shiyan <shc_work@mail.ru>2014-02-15 13:22:49 +0400
committerWim Van Sebroeck <wim@iguana.be>2014-03-31 15:27:34 +0400
commita9ba8376e9e6f7d3d6dd5c2c6816e9a9358d38e8 (patch)
tree1d556375b34a96ab6c955679bcd918833f26df6c /drivers/watchdog/sc520_wdt.c
parentc303ca87653566db01fe5e49ac72a8b3dc1fb722 (diff)
downloadlinux-a9ba8376e9e6f7d3d6dd5c2c6816e9a9358d38e8.tar.xz
watchdog: sc520_wdt: Remove unused variable
Variable "dummy" is not used anywhere in the function wdt_config(). This patch removes this variable. Signed-off-by: Alexander Shiyan <shc_work@mail.ru> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Diffstat (limited to 'drivers/watchdog/sc520_wdt.c')
-rw-r--r--drivers/watchdog/sc520_wdt.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/watchdog/sc520_wdt.c b/drivers/watchdog/sc520_wdt.c
index f353e18b1a82..1cfd3f6a13d5 100644
--- a/drivers/watchdog/sc520_wdt.c
+++ b/drivers/watchdog/sc520_wdt.c
@@ -158,12 +158,11 @@ static void wdt_timer_ping(unsigned long data)
static void wdt_config(int writeval)
{
- __u16 dummy;
unsigned long flags;
/* buy some time (ping) */
spin_lock_irqsave(&wdt_spinlock, flags);
- dummy = readw(wdtmrctl); /* ensure write synchronization */
+ readw(wdtmrctl); /* ensure write synchronization */
writew(0xAAAA, wdtmrctl);
writew(0x5555, wdtmrctl);
/* unlock WDT = make WDT configuration register writable one time */