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Re: [PATCH] watchdog: mtk_wdt: Use MODE_KEY when stopping the watchdog

From Matthias Brugger <matthias.bgg@gmail.com>
Newsgroups linux.kernel
Subject Re: [PATCH] watchdog: mtk_wdt: Use MODE_KEY when stopping the watchdog
Date 2015-11-20 18:00 +0100
Message-ID <qwXct-1li-3@gated-at.bofh.it> (permalink)
References <qw0YN-55X-1@gated-at.bofh.it> <qwdMl-5n6-3@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On 18/11/15 17:24, Guenter Roeck wrote:
> 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>

Acked-by: Matthias Brugger <matthias.bgg@gmail.com>

>
>> ---
>>   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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[PATCH] watchdog: mtk_wdt: Use MODE_KEY when stopping the watchdog Nicolas Boichat <drinkcat@chromium.org> - 2015-11-18 03:50 +0100
  Re: [PATCH] watchdog: mtk_wdt: Use MODE_KEY when stopping the  watchdog Guenter Roeck <linux@roeck-us.net> - 2015-11-18 17:30 +0100
    Re: [PATCH] watchdog: mtk_wdt: Use MODE_KEY when stopping the  watchdog Matthias Brugger <matthias.bgg@gmail.com> - 2015-11-20 18:00 +0100

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