gpio: Move gpiochip_lock/unlock_as_irq to gpio/driver.h

If CONFIG_GPIOLIB is not, gpiochip_lock/unlock_as_irq will
conflict as this:

In file included from sound/soc/codecs/wm5100.c:18:0:
./include/linux/gpio.h:224:19: error: static declaration of gpiochip_lock_as_irq follows non-static declaration
 static inline int gpiochip_lock_as_irq(struct gpio_chip *chip,
                   ^~~~~~~~~~~~~~~~~~~~
In file included from sound/soc/codecs/wm5100.c:17:0:
./include/linux/gpio/driver.h:494:5: note: previous declaration of gpiochip_lock_as_irq was here
 int gpiochip_lock_as_irq(struct gpio_chip *chip, unsigned int offset);
     ^~~~~~~~~~~~~~~~~~~~
In file included from sound/soc/codecs/wm5100.c:18:0:
./include/linux/gpio.h:231:20: error: static declaration of gpiochip_unlock_as_irq follows non-static declaration
 static inline void gpiochip_unlock_as_irq(struct gpio_chip *chip,
                    ^~~~~~~~~~~~~~~~~~~~~~
In file included from sound/soc/codecs/wm5100.c:17:0:
./include/linux/gpio/driver.h:495:6: note: previous declaration of gpiochip_unlock_as_irq was here
 void gpiochip_unlock_as_irq(struct gpio_chip *chip, unsigned int offset);
     ^~~~~~~~~~~~~~~~~~~~~~

Move them to gpio/driver.h and use CONFIG_GPIOLIB guard this.

Reported-by: Hulk Robot <hulkci@huawei.com>
Fixes: d74be6dfea1b ("gpio: remove gpiod_lock/unlock_as_irq()")
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Link: https://lore.kernel.org/r/20190822031817.32888-1-yuehaibing@huawei.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

diff --git a/include/linux/gpio.h b/include/linux/gpio.h
index 40915b4..d20e224 100644 (file)
--- a/include/linux/gpio.h
+++ b/include/linux/gpio.h
@@ -221,19 +221,6 @@ static inline int gpio_to_irq(unsigned gpio)
        return -EINVAL;
 }
 
-static inline int gpiochip_lock_as_irq(struct gpio_chip *chip,
-                                      unsigned int offset)
-{
-       WARN_ON(1);
-       return -EINVAL;
-}
-
-static inline void gpiochip_unlock_as_irq(struct gpio_chip *chip,
-                                         unsigned int offset)
-{
-       WARN_ON(1);
-}
-
 static inline int irq_to_gpio(unsigned irq)
 {
        /* irq can never have been returned from gpio_to_irq() */

diff --git a/include/linux/gpio/driver.h b/include/linux/gpio/driver.h
index 340121c..8d06a05 100644 (file)
--- a/include/linux/gpio/driver.h
+++ b/include/linux/gpio/driver.h
@@ -495,9 +495,6 @@ extern int devm_gpiochip_add_data(struct device *dev, struct gpio_chip *chip,
 extern struct gpio_chip *gpiochip_find(void *data,
                              int (*match)(struct gpio_chip *chip, void *data));
 
-/* lock/unlock as IRQ */
-int gpiochip_lock_as_irq(struct gpio_chip *chip, unsigned int offset);
-void gpiochip_unlock_as_irq(struct gpio_chip *chip, unsigned int offset);
 bool gpiochip_line_is_irq(struct gpio_chip *chip, unsigned int offset);
 int gpiochip_reqres_irq(struct gpio_chip *chip, unsigned int offset);
 void gpiochip_relres_irq(struct gpio_chip *chip, unsigned int offset);
@@ -723,6 +720,10 @@ void gpiochip_free_own_desc(struct gpio_desc *desc);
 void devprop_gpiochip_set_names(struct gpio_chip *chip,
                                const struct fwnode_handle *fwnode);
 
+/* lock/unlock as IRQ */
+int gpiochip_lock_as_irq(struct gpio_chip *chip, unsigned int offset);
+void gpiochip_unlock_as_irq(struct gpio_chip *chip, unsigned int offset);
+
 #else /* CONFIG_GPIOLIB */
 
 static inline struct gpio_chip *gpiod_to_chip(const struct gpio_desc *desc)
@@ -732,6 +733,18 @@ static inline struct gpio_chip *gpiod_to_chip(const struct gpio_desc *desc)
        return ERR_PTR(-ENODEV);
 }
 
+static inline int gpiochip_lock_as_irq(struct gpio_chip *chip,
+                                      unsigned int offset)
+{
+       WARN_ON(1);
+       return -EINVAL;
+}
+
+static inline void gpiochip_unlock_as_irq(struct gpio_chip *chip,
+                                         unsigned int offset)
+{
+       WARN_ON(1);
+}
 #endif /* CONFIG_GPIOLIB */
 
 #endif