[PATCH v2 2/2] watchdog: add wdt shutdown callback to disable wdt if enabled

Guenter Roeck linux at roeck-us.net
Mon Aug 10 21:42:20 PDT 2015


On 08/10/2015 09:28 PM, Daniel Kurtz wrote:
> Hi Guenter, Matthias,
>
> On Fri, Jul 24, 2015 at 1:37 AM, Matthias Brugger
> <matthias.bgg at gmail.com> wrote:
>> On Thursday, July 23, 2015 01:49:11 PM Eddie Huang wrote:
>>> From: Greta Zhang <greta.zhang at mediatek.com>
>>>
>>> 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: Greta Zhang <greta.zhang at mediatek.com>
>>> Signed-off-by: Eddie Huang <eddie.huang at mediatek.com>
>>> ---
>>>   drivers/watchdog/mtk_wdt.c | 9 +++++++++
>>>   1 file changed, 9 insertions(+)
>>
>> Acked-by: Matthias Brugger <matthias.bgg at gmail.com>
>
> is the plan to land these two patches via Guenter's watchdog tree [0]?
> [0] git://www.linux-watchdog.org/linux-watchdog.git
>
That is Wim's tree, and Wim is the maintainer ;-).

I have the patches queued in my tree [1], and I plan to send a pull request
to Wim this week or early next week.

Guenter

---
[1] https://git.kernel.org/cgit/linux/kernel/git/groeck/linux-staging.git/log/?h=watchdog-next




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