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gpiolib: Remove unused devm_gpio_request()

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Remove devm_gpio_request() due to lack of users.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20250531212331.3635269-3-andriy.shevchenko@linux.intel.com
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
This commit is contained in:
Andy Shevchenko 2025-06-01 00:21:39 +03:00 • committed by Bartosz Golaszewski
parent 32f6d31dc0
commit a558931338
3 changed files with 0 additions and 47 deletions
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1
Documentation/driver-api/driver-model/devres.rst
View file

@ -275,7 +275,6 @@ GPIO
devm_gpiod_put()
devm_gpiod_unhinge()
devm_gpiochip_add_data()
devm_gpio_request()
devm_gpio_request_one()
I2C

38
drivers/gpio/gpiolib-legacy.c
View file

@ -85,44 +85,6 @@ static void devm_gpio_release(struct device *dev, void *res)
gpio_free(*gpio);
}
/**
* devm_gpio_request - request a GPIO for a managed device
* @dev: device to request the GPIO for
* @gpio: GPIO to allocate
* @label: the name of the requested GPIO
*
* Except for the extra @dev argument, this function takes the
* same arguments and performs the same function as gpio_request().
* GPIOs requested with this function will be automatically freed
* on driver detach.
*
* **DEPRECATED** This function is deprecated and must not be used in new code.
*
* Returns:
* 0 on success, or negative errno on failure.
*/
int devm_gpio_request(struct device *dev, unsigned gpio, const char *label)
{
unsigned *dr;
int rc;
dr = devres_alloc(devm_gpio_release, sizeof(unsigned), GFP_KERNEL);
if (!dr)
return -ENOMEM;
rc = gpio_request(gpio, label);
if (rc) {
devres_free(dr);
return rc;
}
*dr = gpio;
devres_add(dev, dr);
return 0;
}
EXPORT_SYMBOL_GPL(devm_gpio_request);
/**
* devm_gpio_request_one - request a single GPIO with initial setup
* @dev: device to request for

8
include/linux/gpio.h
View file

@ -110,7 +110,6 @@ static inline int gpio_to_irq(unsigned gpio)
int gpio_request_one(unsigned gpio, unsigned long flags, const char *label);
int devm_gpio_request(struct device *dev, unsigned gpio, const char *label);
int devm_gpio_request_one(struct device *dev, unsigned gpio,
unsigned long flags, const char *label);
@ -188,13 +187,6 @@ static inline int gpio_to_irq(unsigned gpio)
return -EINVAL;
}
static inline int devm_gpio_request(struct device *dev, unsigned gpio,
const char *label)
{
WARN_ON(1);
return -EINVAL;
}
static inline int devm_gpio_request_one(struct device *dev, unsigned gpio,
unsigned long flags, const char *label)
{