[alsa-devel] [PATCH 6/7] ALSA: hda/tegra: fix kernel panic

[Takashi Iwai]

On Mon, 21 Jan 2019 18:41:36 +0100,
Sameer Pujar wrote:
> 
> Kernel panic is seen during device boot. It appears that before the
> probe completes, runtime callbacks happen and the device setup is not
> done yet. This could be initiated from framework through exposed
> callbacks. This issue can be fixed by having a flag to indicate
> completion of device probe. Hence 'probed' flag is introduced to notify
> completion of probe and runtime callbacks can check this flag before
> doing any device access.

Such a fix should be rather folded into the previous, especially if
you know it's already broken :)

And, IMO, it's better to put such a check into runtime_idle callback
instead of doing in each (runtime_)suspend/resume callback.


thanks,

Takashi