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Subject[PATCH 5.10 377/530] gpio: guard gpiochip_irqchip_add_domain() with GPIOLIB_IRQCHIP
Date
From: Álvaro Fernández Rojas <noltari@gmail.com>

[ 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>
---
include/linux/gpio/driver.h | 9 +++++++++
1 file changed, 9 insertions(+)

diff --git a/include/linux/gpio/driver.h b/include/linux/gpio/driver.h
index 4a7e295c3640..8e144306e262 100644
--- a/include/linux/gpio/driver.h
+++ b/include/linux/gpio/driver.h
@@ -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

--
2.30.2


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