Without .shutdown(), watchdog might reset the system during power off.
For example, if watchdog's timeout is set to 30s, then it is reset to
zero by mtk_wdt_ping(). During power off, no app will ping watchdog,
but watchdog is still running and may trigger reset.
Signed-off-by: NGreta Zhang <greta.zhang@mediatek.com>
Signed-off-by: NEddie Huang <eddie.huang@mediatek.com>
Acked-by: NMatthias Brugger <matthias.bgg@gmail.com>
Reviewed-by: NGuenter Roeck <linux@roeck-us.net>
Signed-off-by: NWim Van Sebroeck <wim@iguana.be>