diff options
| author | Jonas Gorski <jogo@openwrt.org> | 2015-10-11 17:34:17 +0200 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2015-10-16 22:15:51 +0200 |
| commit | da4002ee901205df4238dd9a63e5598064a0cd17 (patch) | |
| tree | 5a16c3b382c9a47c0367c8ddca32532a20971851 | |
| parent | 203f0daafdf228a7e4e90a714a2a085884d91ea4 (diff) | |
gpio: gpio-xz: use the generic request/free implementations
Instead of storing in the chip data whether the chip uses pinctrl and
conditionally call pinctrl_{request,free}_gpio, just don't populate
request/free in that case.
This makes the implementations trivial and the same as the generic
implementations, thus we can just use them.
Signed-off-by: Jonas Gorski <jogo@openwrt.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
| -rw-r--r-- | drivers/gpio/gpio-zx.c | 28 |
1 files changed, 4 insertions, 24 deletions
diff --git a/drivers/gpio/gpio-zx.c b/drivers/gpio/gpio-zx.c index 4b8a26910705..1dcf7a66dd36 100644 --- a/drivers/gpio/gpio-zx.c +++ b/drivers/gpio/gpio-zx.c @@ -41,7 +41,6 @@ struct zx_gpio { void __iomem *base; struct gpio_chip gc; - bool uses_pinctrl; }; static inline struct zx_gpio *to_zx(struct gpio_chip *gc) @@ -49,25 +48,6 @@ static inline struct zx_gpio *to_zx(struct gpio_chip *gc) return container_of(gc, struct zx_gpio, gc); } -static int zx_gpio_request(struct gpio_chip *gc, unsigned offset) -{ - struct zx_gpio *chip = to_zx(gc); - int gpio = gc->base + offset; - - if (chip->uses_pinctrl) - return pinctrl_request_gpio(gpio); - return 0; -} - -static void zx_gpio_free(struct gpio_chip *gc, unsigned offset) -{ - struct zx_gpio *chip = to_zx(gc); - int gpio = gc->base + offset; - - if (chip->uses_pinctrl) - pinctrl_free_gpio(gpio); -} - static int zx_direction_input(struct gpio_chip *gc, unsigned offset) { struct zx_gpio *chip = to_zx(gc); @@ -252,12 +232,12 @@ static int zx_gpio_probe(struct platform_device *pdev) return PTR_ERR(chip->base); spin_lock_init(&chip->lock); - if (of_property_read_bool(dev->of_node, "gpio-ranges")) - chip->uses_pinctrl = true; + if (of_property_read_bool(dev->of_node, "gpio-ranges")) { + chip->gc.request = gpiochip_generic_request; + chip->gc.free = gpiochip_generic_free; + } id = of_alias_get_id(dev->of_node, "gpio"); - chip->gc.request = zx_gpio_request; - chip->gc.free = zx_gpio_free; chip->gc.direction_input = zx_direction_input; chip->gc.direction_output = zx_direction_output; chip->gc.get = zx_get_value; |