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gpio: guard gpiochip_irqchip_add_domain() with GPIOLIB_IRQCHIP

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[ Upstream commit 9c7d24693d864f90b27aad5d15fbfe226c02898b ]

The current code doesn't check if GPIOLIB_IRQCHIP is enabled, which results in
a compilation error when trying to build gpio-regmap if CONFIG_GPIOLIB_IRQCHIP
isn't enabled.

Fixes: 6a45b0e2589f ("gpiolib: Introduce gpiochip_irqchip_add_domain()")
Suggested-by: Michael Walle <michael@walle.cc>
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Michael Walle <michael@walle.cc>
Acked-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Link: https://lore.kernel.org/r/20210324081923.20379-2-noltari@gmail.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Álvaro Fernández Rojas 2021-03-24 09:19:02 +01:00 committed by Greg Kroah-Hartman
parent 9becf957e0
commit afb3416c4f
1 changed files with 9 additions and 0 deletions
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9
include/linux/gpio/driver.h
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@ -637,8 +637,17 @@ int gpiochip_irqchip_add_key(struct gpio_chip *gc,
bool gpiochip_irqchip_irq_valid(const struct gpio_chip *gc,
unsigned int offset);
#ifdef CONFIG_GPIOLIB_IRQCHIP
int gpiochip_irqchip_add_domain(struct gpio_chip *gc,
struct irq_domain *domain);
#else
static inline int gpiochip_irqchip_add_domain(struct gpio_chip *gc,
struct irq_domain *domain)
{
WARN_ON(1);
return -EINVAL;
}
#endif
#ifdef CONFIG_LOCKDEP