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gpio: devres: Use devres parent if undefined

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If the user did not pass a parent in the struct gpio_chip
then use the device used for devres as parent.

This is quite intuitive and can help avoiding having to
assign parent explicitly in every driver using devres
to add the gpiochip.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://patch.msgid.link/20260427-gpio-mmio-more-v3-1-fe1882351424@kernel.org
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>
This commit is contained in:
Linus Walleij
2026-04-27 10:47:57 +02:00
committed by Bartosz Golaszewski
parent be22c0f7f2
commit 575d985581
1 changed files with 7 additions and 0 deletions
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7
drivers/gpio/gpiolib-devres.c
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@@ -353,6 +353,13 @@ int devm_gpiochip_add_data_with_key(struct device *dev, struct gpio_chip *gc, vo
{
int ret;
/*
* We are passing the devres device here so if the user did not pass
* another parent, it's this one.
*/
if (!gc->parent)
gc->parent = dev;
ret = gpiochip_add_data_with_key(gc, data, lock_key, request_key);
if (ret < 0)
return ret;