| Message ID | 20230905185309.131295-6-brgl@bgdev.pl (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | gpio: convert users to gpio_device_find() and remove gpiochip_find() | expand |
On Tue, Sep 5, 2023 at 8:53 PM Bartosz Golaszewski <brgl@bgdev.pl> wrote: > From: Bartosz Golaszewski <bartosz.golaszewski@linaro.org> > > As the few users that need to get the reference to the GPIO device often > release it right after inspecting its properties, let's add support for > the automatic reference release to struct gpio_device. > > Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org> Needless to say, I'm a strong advocate for scoped resource management. Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Yours, Linus Walleij
diff --git a/include/linux/gpio/driver.h b/include/linux/gpio/driver.h index a769baf3d731..b2572b26c8e3 100644 --- a/include/linux/gpio/driver.h +++ b/include/linux/gpio/driver.h @@ -614,6 +614,8 @@ struct gpio_device *gpio_device_find_by_label(const char *label); struct gpio_device *gpio_device_get(struct gpio_device *gdev); void gpio_device_put(struct gpio_device *gdev); +DEFINE_FREE(gpio_device_put, struct gpio_device *, if (_T) gpio_device_put(_T)); + bool gpiochip_line_is_irq(struct gpio_chip *gc, unsigned int offset); int gpiochip_reqres_irq(struct gpio_chip *gc, unsigned int offset); void gpiochip_relres_irq(struct gpio_chip *gc, unsigned int offset);