Re: [PATCH v3] gpio: interrupt consistency check for OF GPIO IRQs

Linus Walleij
2013-09-23T19:41:43Z

On Wed, Sep 11, 2013 at 9:43 PM, Stephen Warren <swarren-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org> wrote:
> On 09/10/2013 06:52 PM, Javier Martinez Canillas wrote:

>> I'm a bit confused now. Doesn't the fact that gpio_request() prevents
>> double-requests mean that the use-case that you say that have not been covered
>> by this patch can't actually happen?
>>
>> I mean, if when using board files an explicit call to gpio_request() is made by
>> platform code then a driver can't call gpio_request() for the same gpio. So this
>> patch shouldn't cause any regression since is just auto-requesting a GPIO when
>> is mapped as an IRQ in a DT which basically will be the same that was made by
>> board files before.
>
> I'm not familiar with the board file path; Linus describe this.

Oh um? Not following, that stuff is right above, what is unclear
about this that I need to describe?

Yours,
Linus Walleij
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