[PATCH RFC 0/2] gpiolib: of: Introduce hook for missing gpio-ranges

[Linus Walleij]

On Wed, Mar 9, 2022 at 8:44 PM Stefan Wahren <stefan.wahren at i2se.com> wrote:

> This patch series tries to provide backward compatibility for DTB which
> lacks the gpio-ranges property.
>
> The commit ("pinctrl: msm: fix gpio-hog related boot issues") by Christian
> Lamparter already contains a fallback in case the gpio-ranges property
> is missing. But this approach doesn't work on BCM2835 with a gpio-hog
> defined for the SoC GPIOs.
>
> Based Christian's on explanation i conclude that the fallback must happen
> during the gpiochip_add() call and not afterwards. So the approach is to
> call an optional hook, which can be implemented in the platform driver.
>
> This series has been tested on Raspberry Pi 3 B Plus.
>
> Stefan Wahren (2):
>   gpiolib: of: Introduce hook for missing gpio-ranges
>   pinctrl: bcm2835: implement hook for missing gpio-ranges

Looks good to me, is this something I should apply to the pinctrl
tree or should I wait for a non-RFC version?

Yours,
Linus Walleij