From a9ba8376e9e6f7d3d6dd5c2c6816e9a9358d38e8 Mon Sep 17 00:00:00 2001 From: Alexander Shiyan Date: Sat, 15 Feb 2014 13:22:49 +0400 Subject: [PATCH] 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 Reviewed-by: Guenter Roeck Signed-off-by: Wim Van Sebroeck --- drivers/watchdog/sc520_wdt.c | 3 +-- 1 file changed, 1 insertion(+), 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 */