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gpio: drop devm_gpiochip_remove()

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There is hardly any reason to call devm_gpiochip_remove() because the
driver core handles calling gpiochip_remove() automatically.

To make it harder to introduce new (and probably unneeded) callers, drop
the function.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Uwe Kleine-König 2018-10-05 21:42:06 +02:00 committed by Linus Walleij
parent 2545194564
commit 48207d7595
3 changed files with 1 additions and 19 deletions
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1
Documentation/driver-model/devres.txt
View File

@ -255,7 +255,6 @@ GPIO
devm_gpiod_get_optional()
devm_gpiod_put()
devm_gpiochip_add_data()
devm_gpiochip_remove()
devm_gpio_request()
devm_gpio_request_one()
devm_gpio_free()

18
drivers/gpio/gpiolib.c
View File

@ -1524,6 +1524,7 @@ static int devm_gpio_chip_match(struct device *dev, void *res, void *data)
return *r == data;
}
/**
* devm_gpiochip_add_data() - Resource manager gpiochip_add_data()
* @dev: pointer to the device that gpio_chip belongs to.
@ -1563,23 +1564,6 @@ int devm_gpiochip_add_data(struct device *dev, struct gpio_chip *chip,
}
EXPORT_SYMBOL_GPL(devm_gpiochip_add_data);
/**
* devm_gpiochip_remove() - Resource manager of gpiochip_remove()
* @dev: device for which which resource was allocated
* @chip: the chip to remove
*
* A gpio_chip with any GPIOs still requested may not be removed.
*/
void devm_gpiochip_remove(struct device *dev, struct gpio_chip *chip)
{
int ret;
ret = devres_release(dev, devm_gpio_chip_release,
devm_gpio_chip_match, chip);
WARN_ON(ret);
}
EXPORT_SYMBOL_GPL(devm_gpiochip_remove);
/**
* gpiochip_find() - iterator for locating a specific gpio_chip
* @data: data to pass to match function

1
include/linux/gpio/driver.h
View File

@ -422,7 +422,6 @@ static inline int gpiochip_add(struct gpio_chip *chip)
extern void gpiochip_remove(struct gpio_chip *chip);
extern int devm_gpiochip_add_data(struct device *dev, struct gpio_chip *chip,
void *data);
extern void devm_gpiochip_remove(struct device *dev, struct gpio_chip *chip);
extern struct gpio_chip *gpiochip_find(void *data,
int (*match)(struct gpio_chip *chip, void *data));