Re: [PATCH v4 01/15] gpio: guard gpiochip_irqchip_add_domain() with GPIOLIB_IRQCHIP

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Add missing tag:

Suggested-by: Michael Walle <michael@xxxxxxxx>

> El 4 mar 2021, a las 9:56, Álvaro Fernández Rojas <noltari@xxxxxxxxx> 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 <noltari@xxxxxxxxx>
> ---
> 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
> 





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