[PATCH v5 01/15] gpio: guard gpiochip_irqchip_add_domain() with GPIOLIB_IRQCHIP

From: "Álvaro Fernández Rojas" <noltari@gmail.com>
To: "Linus Walleij" <linus.walleij@linaro.org>,
	"Rob Herring" <robh+dt@kernel.org>,
	"Michael Walle" <michael@walle.cc>,
	"Bartosz Golaszewski" <bgolaszewski@baylibre.com>,
	"Florian Fainelli" <f.fainelli@gmail.com>,
	bcm-kernel-feedback-list@broadcom.com,
	"Jonas Gorski" <jonas.gorski@gmail.com>,
	"Álvaro Fernández Rojas" <noltari@gmail.com>,
	"Necip Fazil Yildiran" <fazilyildiran@gmail.com>,
	"Andy Shevchenko" <andy.shevchenko@gmail.com>,
	linux-gpio@vger.kernel.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org
Subject: [PATCH v5 01/15] gpio: guard gpiochip_irqchip_add_domain() with GPIOLIB_IRQCHIP
Date: Sat,  6 Mar 2021 16:56:58 +0100	[thread overview]
Message-ID: <20210306155712.4298-2-noltari@gmail.com> (raw)
In-Reply-To: <20210306155712.4298-1-noltari@gmail.com>

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>
---
 v5: add missing Suggested-by tag
 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

