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

[Florian Fainelli]

On 3/9/2022 11:43 AM, Stefan Wahren 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.

For both patches, with and without 'gpio-ranges' for pinctrl-bcm2835.c:

Reviewed-by: Florian Fainelli <f.fainelli at gmail.com>
Tested-by: Florian Fainelli <f.fainelli at gmail.com>

Thanks a lot Stefan!
-- 
Florian