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-rw-r--r--drivers/watchdog/mtk_wdt.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/watchdog/mtk_wdt.c b/drivers/watchdog/mtk_wdt.c
index 6ad9df948711..b751f43d76ed 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;