Re: [PATCH] gpiolib: devres: release GPIOs in devm_gpiod_put_array()

["André Draszik" <andre.draszik@linaro.org>]

On Tue, 2025-07-15 at 17:00 +0100, André Draszik wrote:
> devm_gpiod_put_array() is meant to undo the effects of
> devm_gpiod_get_array() - in particular, it should release the GPIOs
> contained in the array acquired with the latter. It is meant to be the
> resource-managed version of gpiod_put_array(), and it should behave
> similar to the non-array version devm_gpiod_put().
> 
> Since commit d1d52c6622a6 ("gpiolib: devres: Finish the conversion to
> use devm_add_action()") it doesn't do that anymore, it just removes the
> devres action and frees associated memory, but it doesn't actually
> release the GPIOs.
> 
> Fix by switching from devm_remove_action() to devm_release_action(),
> which will in addition invoke the action to release the GPIOs.
> 
> Fixes: d1d52c6622a6 ("gpiolib: devres: Finish the conversion to use devm_add_action()")

The culprit only exists in 6.16-rc for now, and it shouldn't be
backported to older kernels, hence I didn't add CC: stable, hoping
the patch can make it into the 6.16 release

Please let me know if that is unlikely and I shall send a v2 with
Cc: stable instead.

Cheers,
Andre'