On Wed, Apr 15, 2009 at 8:17 PM, Guennadi Liakhovetski
<[email protected]> wrote:
> Currently pcm990 camera bus-width management functions request a GPIO and 
> never
> free it again. With this approach the GPIO extender driver cannot be unloaded
> once camera drivers have been loaded, also unloading theb i2c-pxa bus driver
> produces errors, because the GPIO extender driver cannot unregister properly.
> Another problem is, that if camera drivers are once loaded before the GPIO
> extender driver, the platform code marks the GPIO unavailable and only a 
> reboot
> helps to recover. Adding an explicit free_bus method and using it in mt9m001
> and mt9v022 drivers fixes these problems.
>
> Signed-off-by: Guennadi Liakhovetski <[email protected]>
> ---
>
> Eric, need your ack for the arch/arm/mach-pxa part. Sascha's wouldn't hurt
> either:-)
>

Yes, the mach-pxa/ part looks OK to me.

Acked-by: Eric Miao <[email protected]>
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