Re: [PATCH] gpio: Move gpiochip_lock/unlock_as_irq to gpio/driver.h

From: Linus Walleij
Date: Fri Aug 23 2019 - 06:00:42 EST


On Thu, Aug 22, 2019 at 5:19 AM YueHaibing <yuehaibing@xxxxxxxxxx> wrote:

> 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@xxxxxxxxxx>
> Fixes: d74be6dfea1b ("gpio: remove gpiod_lock/unlock_as_irq()")
> Signed-off-by: YueHaibing <yuehaibing@xxxxxxxxxx>

Patch applied with some fuzzing.

Yours,
Linus Walleij