Re: [PATCH] usb: musb: fix pm_runtime mismatch

[Sergei Shtylyov]

Hello.

On 16-12-2011 2:42, Felipe Contreras wrote:

> In musb_init_controller() there's a pm_runtime_put(), but there's no
> pm_runtime_get(), which creates a mismatch that causes the driver to
> sleep when it shouldn't.

> This was introduced in 7acc619, but it wasn't triggered until 18a2689
> was merged to Linus' branch at point 6899608.

   Please also specify the summaries for the commits you're mentioning.

> However, it seems most of the time this is used in a way that keeps the
> counter above 0, so nobody noticed. Also, it seems to depend on the
> configuration used.

> I found the problem by loading isp1704_charger before any usb gadgets:
> http://article.gmane.org/gmane.linux.kernel/1226122

> All versions after 2.6.39 are affected.

> Cc: stable@xxxxxxxxxxxxxxx
> Signed-off-by: Felipe Contreras<felipe.contreras@xxxxxxxxx>

WBR, Sergei
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