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author | Axel Lin <axel.lin@ingics.com> | 2013-03-15 20:52:07 +0800 |
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committer | Linus Walleij <linus.walleij@linaro.org> | 2013-03-27 22:51:18 +0100 |
commit | 22ce4464fad1c0a90ed5c9a745a1fceabf69283d (patch) | |
tree | 05625a4bfb41ca8aa8cd08c593c7fd7f541ab855 /drivers/gpio/gpio-pl061.c | |
parent | 8b0ef2580f7ffdd0018332ab9c085729afa59f75 (diff) | |
download | op-kernel-dev-22ce4464fad1c0a90ed5c9a745a1fceabf69283d.zip op-kernel-dev-22ce4464fad1c0a90ed5c9a745a1fceabf69283d.tar.gz |
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>
Diffstat (limited to 'drivers/gpio/gpio-pl061.c')
-rw-r--r-- | drivers/gpio/gpio-pl061.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/gpio/gpio-pl061.c b/drivers/gpio/gpio-pl061.c index 06ed257..d7008df 100644 --- a/drivers/gpio/gpio-pl061.c +++ b/drivers/gpio/gpio-pl061.c @@ -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; |