diff options
Diffstat (limited to 'drivers/watchdog/sp805_wdt.c')
| -rw-r--r-- | drivers/watchdog/sp805_wdt.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/watchdog/sp805_wdt.c b/drivers/watchdog/sp805_wdt.c index 0d80e08b6439..cc2cfbe33b30 100644 --- a/drivers/watchdog/sp805_wdt.c +++ b/drivers/watchdog/sp805_wdt.c @@ -134,6 +134,8 @@ static void wdt_enable(void) writel(INT_ENABLE | RESET_ENABLE, wdt->base + WDTCONTROL); writel(LOCK, wdt->base + WDTLOCK); + /* Flush posted writes. */ + readl(wdt->base + WDTLOCK); spin_unlock(&wdt->lock); } @@ -144,9 +146,10 @@ static void wdt_disable(void) writel(UNLOCK, wdt->base + WDTLOCK); writel(0, wdt->base + WDTCONTROL); - writel(0, wdt->base + WDTLOAD); writel(LOCK, wdt->base + WDTLOCK); + /* Flush posted writes. */ + readl(wdt->base + WDTLOCK); spin_unlock(&wdt->lock); } |