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gpio: generic: provide to_gpio_generic_chip()

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Provide a helper allowing to convert a struct gpio_chip address to the
struct gpio_generic_chip that wraps it.

Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20250825-gpio-mmio-gpio-conv-v1-1-356b4b1d5110@linaro.org
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
This commit is contained in:
Bartosz Golaszewski 2025-08-25 11:48:42 +02:00
parent c48156d111
commit 6e376f245f
1 changed files with 6 additions and 0 deletions
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6
include/linux/gpio/generic.h
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@ -55,6 +55,12 @@ struct gpio_generic_chip {
struct gpio_chip gc;
};
static inline struct gpio_generic_chip *
to_gpio_generic_chip(struct gpio_chip *gc)
{
return container_of(gc, struct gpio_generic_chip, gc);
}
/**
* gpio_generic_chip_init() - Initialize a generic GPIO chip.
* @chip: Generic GPIO chip to set up.