[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
More information about the linux-arm-kernel
mailing list