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

Stephen Warren
2013-08-27T20:17:40Z

On 08/26/2013 08:07 AM, Lars Poeschel wrote:
> From: Linus Walleij <linus.walleij@linaro.org>
>
> Currently the kernel is ambigously treating GPIOs and interrupts
> from a GPIO controller: GPIOs and interrupts are treated as
> orthogonal. This unfortunately makes it unclear how to actually
> retrieve and request a GPIO line or interrupt from a GPIO
> controller in the device tree probe path.

I still think that this patch is the wrong approach. Instead, the logic
should be hooked into gpio_request() and request_irq(). This patch only
addresses DT, and ignores anything else, hence doesn't seem like the
right level of abstraction to plug in, since the issue is not related to DT.