[RFC 3/3] gpiolib: coldfire: remove custom asm/gpio.h

[Linus Walleij]

On Fri, Nov 5, 2021 at 2:05 PM Arnd Bergmann <arnd at kernel.org> wrote:

> From: Arnd Bergmann <arnd at arndb.de>
>
> Now that coldfire is the only user of a custom asm/gpio.h, it seems
> better to remove this as well, and have the same interface everywhere.
>
> For the gpio_get_value()/gpio_set_value()/gpio_to_irq(), gpio_cansleep()
> functions, the custom version is only a micro-optimization to inline the
> function for constant GPIO numbers. However, in the coldfire defconfigs,
> I was unable to find a single instance where this micro-optimization
> was even used, so to my best knowledge removing this has no downsides.
>
> The custom gpio_request_one() function is even less useful, as it is
> guarded by an #ifdef that is never true.
>
> Signed-off-by: Arnd Bergmann <arnd at arndb.de>

Reviewed-by: Linus Walleij <linus.walleij at linaro.org>

Yours,
Linus Walleij