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gpio: pl061: Add pl061_gpio_free() 

commit 39b70ee051 "gpio: pl061: bind pinctrl by gpio request"
adds pl061_gpio_request() to request pinctrl.
Thus we need to add corresponding pl061_gpio_free() to free the pin.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Axel Lin 2013-03-15 20:52:07 +08:00 committed by Linus Walleij
parent 8b0ef2580f
commit 22ce4464fa
1 changed files with 8 additions and 0 deletions
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8
drivers/gpio/gpio-pl061.c
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@ -72,6 +72,13 @@ static int pl061_gpio_request(struct gpio_chip *chip, unsigned offset)
return pinctrl_request_gpio(gpio);
}
static void pl061_gpio_free(struct gpio_chip *chip, unsigned offset)
{
int gpio = chip->base + offset;
pinctrl_free_gpio(gpio);
}
static int pl061_direction_input(struct gpio_chip *gc, unsigned offset)
{
struct pl061_gpio *chip = container_of(gc, struct pl061_gpio, gc);
@ -287,6 +294,7 @@ static int pl061_probe(struct amba_device *adev, const struct amba_id *id)
spin_lock_init(&chip->lock);
chip->gc.request = pl061_gpio_request;
chip->gc.free = pl061_gpio_free;
chip->gc.direction_input = pl061_direction_input;
chip->gc.direction_output = pl061_direction_output;
chip->gc.get = pl061_get_value;