[PATCH 3/5] gpio/omap: Add DT support to GPIO driver

[Javier Martinez Canillas]

On Wed, Apr 17, 2013 at 3:52 PM, Jon Hunter <jon-hunter at ti.com> wrote:
>
> On 04/17/2013 08:42 AM, Javier Martinez Canillas wrote:
>> On Wed, Apr 17, 2013 at 3:25 PM, Jon Hunter <jon-hunter at ti.com> wrote:
>>>
>>> On 04/17/2013 02:55 AM, Javier Martinez Canillas wrote:
>>>
>>> ...
>>>
>>>> There are so many patches flying around in this thread that I missed it :-)
>>>>
>>>> Sorry about that...
>>>
>>> No problem.
>>>
>>>>> I was trying to see if we could find a common solution that everyone
>>>>> could use as it seems that ideally we should all be requesting the gpio.
>>>>>
>>>>> Cheers
>>>>> Jon
>>>>>
>>>>> [1] http://marc.info/?l=linux-arm-kernel&m=136606204823845&w=1
>>>>
>>>> btw, I shared the latest patch with only build testing it, but today I
>>>> gave a try and I found a problem with this approach. The .xlate
>>>> function is being called twice for each GPIO-IRQ so the first time
>>>> gpio_request_one() succeeds but the second time it fails returning
>>>> -EBUSY.
>>>
>>> I tried it and I did not see that. I don't see the below warning either.
>>>
>>
>> weird, I wonder what's different here.
>
> I am testing on an omap4-sdp which uses a spi based ethernet device.
> However, I could try with the omap3430-sdp which uses gpmc.
>

Thanks, that would be great and it could be a difference.

But don't worry I'll to test it more extensively when I have some free
time. I just shared here in case you had the same issue.

> Cheers
> Jon

Thanks a lot for your help,
Jaiver