[PATCH] watchdog: mtk_wdt: Use MODE_KEY when stopping the watchdog
Nicolas Boichat
drinkcat at chromium.org
Tue Nov 17 18:45:01 PST 2015
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 <drinkcat at chromium.org>
---
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;
--
2.6.0.rc2.230.g3dd15c0
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