[PATCH] watchdog: mtk_wdt: Use MODE_KEY when stopping the watchdog
From: linux@roeck-us.net (Guenter Roeck)
Date: 2015-11-18 16:24:08
Also in:
linux-mediatek, linux-watchdog, lkml
On 11/17/2015 06:45 PM, Nicolas Boichat wrote:
WDT_MODE value need to be or-ed with MODE_KEY when setting watchdog mode. Add it to mtk_wdt_stop function, so that the watchdog can be stopped (e.g. during suspend). Signed-off-by: Nicolas Boichat <redacted>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
quoted hunk ↗ jump to hunk
--- drivers/watchdog/mtk_wdt.c | 1 + 1 file changed, 1 insertion(+)diff --git a/drivers/watchdog/mtk_wdt.c b/drivers/watchdog/mtk_wdt.c index 6ad9df9..b751f43 100644 --- a/drivers/watchdog/mtk_wdt.c +++ b/drivers/watchdog/mtk_wdt.c@@ -123,6 +123,7 @@ static int mtk_wdt_stop(struct watchdog_device *wdt_dev) reg = readl(wdt_base + WDT_MODE); reg &= ~WDT_MODE_EN; + reg |= WDT_MODE_KEY; iowrite32(reg, wdt_base + WDT_MODE); return 0;