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SubjectRe: [PATCH] ALSA: hda: Fix crash due to jack poll in suspend
On Thu, 11 Aug 2022 07:27:04 +0200,
Mohan Kumar wrote:
>
> With jackpoll_in_suspend flag set, there is a possibility that
> jack poll worker thread will run even after system suspend was
> completed. Any register access after system pm callback flow
> will result in kernel crash as still jack poll worker thread
> tries to access registers.
>
> To fix the crash issue during system flow, cancel the jack poll
> worker thread during system pm prepare callback and cancel the
> worker thread at start of runtime suspend callback and re-schedule
> at last to avoid any unwarranted access of register by worker thread
> during suspend flow.
>
> Signed-off-by: Mohan Kumar <mkumard@nvidia.com>

Thanks, applied now with Fixes tag.


Takashi

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