Messages in this thread | | | Subject | Re: [PATCH] watchdog: mtk_wdt: Use MODE_KEY when stopping the watchdog | From | Guenter Roeck <> | Date | Wed, 18 Nov 2015 08:24:00 -0800 |
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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 <drinkcat@chromium.org>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
> --- > 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; >
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