[PATCH RESEND v9 1/2] gpio: Adjust of_xlate API to support multiple GPIO chips

Roland Stigge stigge at antcom.de
Fri May 18 04:03:22 EDT 2012


Hi Grant,

On 05/17/2012 10:37 PM, Grant Likely wrote:
> On Wed, 16 May 2012 22:40:31 +0200, Roland Stigge <stigge at antcom.de> wrote:
>> This patch changes the of_xlate API to make it possible to manipulate the
>> actual used gc. This way, multiple GPIO banks can be supported with the same DT
>> registered GPIO controller.
>>
>> The issue was discussed upon the integration of LPC32xx's DT support for its
>> GPIO (see separate patch).
>>
>> Signed-off-by: Roland Stigge <stigge at antcom.de>
> 
> I still wasn't happy with this approach, so I bugged Arnd and we
> discussed some options.  So, I think I've got a better solution that
> doesn't change the signature of of_xlate.  Instead it allows of_xlate
> to return an error code and still have multiple banks referring to the
> same gpio_chip.
> 
> I've just posted the series.  Can you try it out and make sure it
> works for you?

Works fine, just consider the little compile error bugfix, see next mail.

Thanks,

Roland



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