diff options
Diffstat (limited to 'drivers/watchdog/sc520_wdt.c')
| -rw-r--r-- | drivers/watchdog/sc520_wdt.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/watchdog/sc520_wdt.c b/drivers/watchdog/sc520_wdt.c index f353e18b1a8..1cfd3f6a13d 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 */ |