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watchdog: mtk_wdt: Use MODE_KEY when stopping the watchdog
[firefly-linux-kernel-4.4.55.git]
/
drivers
/
watchdog
/
mtk_wdt.c
diff --git
a/drivers/watchdog/mtk_wdt.c
b/drivers/watchdog/mtk_wdt.c
index 6ad9df948711080ca3c87464d0195bdd3c0d9feb..b751f43d76ed5c9d8e168389a1238b9218bee46f 100644
(file)
--- 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;