[PATCH] ARM: pxa27x: fix ac97 controller warm reset code

[Robert Jarzmik]

Mike Dunn <mikedunn at newsguy.com> writes:

> This patch fixes some code that implements a work-around to a hardware bug in
> the ac97 controller on the pxa27x.  A bug in the controller's warm reset
> functionality requires that the mfp used by the controller as the AC97_RESET_n
> line be temporarily reconfigured as a generic output gpio (AF0) and manually
> held high for the duration of the warm reset cycle.  This is what was done in
> the original code, but it was broken long ago by commit
> fb1bf8cd13bfa7ed0364ab0d82f717fc020d35f6, which changed the mfp to a GPIO input
> instead of a high output.
>
> Signed-off-by: Mike Dunn <mikedunn at newsguy.com>

Acked-by: Robert Jarzmik <robert.jarzmik at free.fr>

As a side note, shouldn't this patch (as the other one on ALSA), once reviewed,
be submitted to stable kernel ?

Cheers.

-- 
Robert