El 4 mar 2021, a las 9:56, Álvaro Fernández Rojas [off-list ref] escribió:

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()")
Signed-off-by: Álvaro Fernández Rojas <redacted>
---
v4: add patch (fix include instead of gpio-regmap.c)

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 286de0520574..ecf0032a0995 100644
--- a/include/linux/gpio/driver.h
+++ b/include/linux/gpio/driver.h

@@ -624,8 +624,17 @@ void gpiochip_irq_domain_deactivate(struct irq_domain *domain,

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

int gpiochip_generic_request(struct gpio_chip *gc, unsigned int offset);
void gpiochip_generic_free(struct gpio_chip *gc, unsigned int offset);
-- 
2.20.1