Re: [PATCH] gpio: return NULL from gpiod_get_optional when GPIOLIB is disabled

[Alexandre Courbot <gnurou@xxxxxxxxx>]

On Fri, Feb 20, 2015 at 2:33 PM, Dmitry Torokhov
<dmitry.torokhov@xxxxxxxxx> wrote:
>> I should have commented at that time, but let's do it now: I agree
>> with the idea, but this leaves the door open to confusing situations
>> in case gpiolib was unintentionally disabled. Could you also add a
>> note in the documentation of this function to explain this behavior,
>> to spare a few headaches to users of this function?
>
> You mean the inline documentation in drivers/gpio/gpiolib.c and
> drivers/gpio/devres.c? I can certainly mention there that is GPIOLIB is disabled
> thy will return NULL unlike the non-optional variants.

I was thinking about Documentation/gpio/consumer.txt, but having a
note in the inline documentation as well certainly makes sense.
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