[alsa-devel] [PATCH 2/2] ASoC: DAPM - Make sure DAPM widget IO ops hold the component mutex.

Tabi Timur-B04825 B04825 at freescale.com
Sun Mar 11 14:58:59 CET 2012

Mark Brown wrote:
> I wonder if PowerPC mutexes are
> less forgiving here?

I'm still debugging this (although I have higher priority tasks to worry 
about, unfortunately), but it appears that the mutex is already taken when 
that code is executed.  Unfortunately, I have been unable to figure out 
where.  One second the 'count' value is 1, and then it suddenly becomes 
'0', and then mutex_lock() is called.

Timur Tabi
Linux kernel developer at Freescale

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