[PATCH 2/3] gpio: of: support gpio-ranges for multiple gpiochip devices

[Bartosz Golaszewski]

On Wed, Apr 24, 2024 at 8:51 PM Doug Berger <opendmb at gmail.com> wrote:
>
> Some drivers (e.g. gpio-mt7621 and gpio-brcmstb) have multiple
> gpiochip banks within a single device. Unfortunately, the
> gpio-ranges property of the device node was being applied to
> every gpiochip of the device with device relative GPIO offset
> values rather than gpiochip relative GPIO offset values.
>
> This commit makes use of the gpio_chip offset value which can be
> non-zero for such devices to split the device node gpio-ranges
> property into GPIO offset ranges that can be applied to each
> of the relevant gpiochips of the device.
>
> Signed-off-by: Doug Berger <opendmb at gmail.com>
> ---

This is a good improvement, thanks!

Bart