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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: d74be6dfea ("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>
alistair/sunxi64-5.4-dsi
YueHaibing 2019-08-22 11:18:17 +08:00 committed by Linus Walleij
parent 7db47faae7
commit c7663fa2a6
2 changed files with 16 additions and 16 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
include/linux/gpio.h
View File

@ -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() */

19
include/linux/gpio/driver.h
View File

@ -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