[PATCH v1 0/4] gpio: Unify the GPIO controller node check

[Bartosz Golaszewski]

On Mon, 24 Aug 2026 09:42:31 +0200, Andy Shevchenko
<andriy.shevchenko at linux.intel.com> said:
> There are handful of drivers perform the same check in different variations
> over and over with a potential to make subtle mistakes. Unify the check by
> providing a new helper and convert a few users as an example.
>
> Andy Shevchenko (4):
>   gpio: Split fwnode_is_gpiochip() helper
>   gpio: shared: Replace open coded fwnode_is_gpiochip()
>   pinctrl: ma35: Replace open coded fwnode_is_gpiochip()
>   pinctrl: pistachio: Replace open coded fwnode_is_gpiochip()
>
>  drivers/gpio/gpiolib-shared.c          | 6 ++----
>  drivers/pinctrl/nuvoton/pinctrl-ma35.c | 4 ++--
>  drivers/pinctrl/pinctrl-pistachio.c    | 2 +-
>  include/linux/gpio/driver.h            | 7 ++++++-
>  4 files changed, 11 insertions(+), 8 deletions(-)
>
> --
> 2.50.1
>
>

I like it. With an Ack from Linus, I can take the series through the GPIO tree.

Bart