Re: [PATCH v6 5/8] gpiolib: Introduce gpiod_set_config()

From: Linus Walleij
Date: Thu Mar 26 2020 - 17:26:48 EST


On Tue, Mar 24, 2020 at 2:57 PM Geert Uytterhoeven
<geert+renesas@xxxxxxxxx> wrote:

> The GPIO Aggregator will need a method to forward a .set_config() call
> to its parent gpiochip. This requires obtaining the gpio_chip and
> offset for a given gpio_desc. While gpiod_to_chip() is public,
> gpio_chip_hwgpio() is not, so there is currently no method to obtain the
> needed GPIO offset parameter.
>
> Hence introduce a public gpiod_set_config() helper, which invokes the
> .set_config() callback through a gpio_desc pointer, like is done for
> most other gpio_chip callbacks.
>
> Rewrite the existing gpiod_set_debounce() helper as a wrapper around
> gpiod_set_config(), to avoid duplication.
>
> Signed-off-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
> ---
> v6:
> - New.

This is nice, I tried to actually just apply this (you also sent some
two cleanups that I tried to apply) byt Yue's cleanup patch
commit d18fddff061d2796525e6d4a958cb3d30aed8efd
"gpiolib: Remove duplicated function gpio_do_set_config()"
makes none of them apply :/

Yours,
Linus Walleij