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| author |   Bartosz Golaszewski <bartosz.golaszewski@linaro.org> | 2023-10-11 15:02:02 +0200 |
|---|---|---|
| committer | Bartosz Golaszewski <bartosz.golaszewski@linaro.org> | 2023-10-13 08:50:01 +0200 |
| commit | 1559d14977b694570f010854b8192e6de034bc27 (patch) | |
| tree | a42340abd3c23a1485fad6ad3ed881a7cfe435b1 /include/linux/gpio | |
| parent | gpio: hisi: Fix format specifier (diff) | |
| download | wireguard-linux-1559d14977b694570f010854b8192e6de034bc27.tar.xz wireguard-linux-1559d14977b694570f010854b8192e6de034bc27.zip | |
gpiolib: provide gpio_device_to_device()
There are users in the kernel who need to retrieve the address of the
struct device backing the GPIO device. Currently they needlessly poke in
the internals of GPIOLIB. Add a dedicated getter function.
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Reviewed-by: Peter Rosin <peda@axentia.se>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'include/linux/gpio')
| -rw-r--r-- | include/linux/gpio/driver.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/gpio/driver.h b/include/linux/gpio/driver.h index ae4162d3f1d3..0e40098aa283 100644 --- a/include/linux/gpio/driver.h +++ b/include/linux/gpio/driver.h @@ -619,6 +619,8 @@ void gpio_device_put(struct gpio_device *gdev); DEFINE_FREE(gpio_device_put, struct gpio_device *, if (IS_ERR_OR_NULL(_T)) gpio_device_put(_T)); +struct device *gpio_device_to_device(struct gpio_device *gdev); + 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); |