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gpio: Make the vararg hacks not pass magic values 

Right now, in consumer.h, there's some vararg hacks that pass 0 as the
flags. What actually is passed however is GPIOD_ASIS, which naturally is
also 0. Using the define/enum rather then the magic 0 makes it the
define more readable to a passer by.

Signed-off-by: Olliver Schinagl <oliver@schinagl.nl>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Olliver Schinagl 2015-01-07 09:44:57 +01:00 committed by Linus Walleij
parent ffe4770b9b
commit d34541bc48
1 changed files with 9 additions and 8 deletions
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17
include/linux/gpio/consumer.h
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@ -340,31 +340,32 @@ static inline int desc_to_gpio(const struct gpio_desc *desc)
* etc.
*/
#define __gpiod_get(dev, con_id, flags, ...) __gpiod_get(dev, con_id, flags)
#define gpiod_get(varargs...) __gpiod_get(varargs, 0)
#define gpiod_get(varargs...) __gpiod_get(varargs, GPIOD_ASIS)
#define __gpiod_get_index(dev, con_id, index, flags, ...) \
__gpiod_get_index(dev, con_id, index, flags)
#define gpiod_get_index(varargs...) __gpiod_get_index(varargs, 0)
#define gpiod_get_index(varargs...) __gpiod_get_index(varargs, GPIOD_ASIS)
#define __gpiod_get_optional(dev, con_id, flags, ...) \
__gpiod_get_optional(dev, con_id, flags)
#define gpiod_get_optional(varargs...) __gpiod_get_optional(varargs, 0)
#define gpiod_get_optional(varargs...) __gpiod_get_optional(varargs, GPIOD_ASIS)
#define __gpiod_get_index_optional(dev, con_id, index, flags, ...) \
__gpiod_get_index_optional(dev, con_id, index, flags)
#define gpiod_get_index_optional(varargs...) \
__gpiod_get_index_optional(varargs, 0)
__gpiod_get_index_optional(varargs, GPIOD_ASIS)
#define __devm_gpiod_get(dev, con_id, flags, ...) \
__devm_gpiod_get(dev, con_id, flags)
#define devm_gpiod_get(varargs...) __devm_gpiod_get(varargs, 0)
#define devm_gpiod_get(varargs...) __devm_gpiod_get(varargs, GPIOD_ASIS)
#define __devm_gpiod_get_index(dev, con_id, index, flags, ...) \
__devm_gpiod_get_index(dev, con_id, index, flags)
#define devm_gpiod_get_index(varargs...) __devm_gpiod_get_index(varargs, 0)
#define devm_gpiod_get_index(varargs...) \
__devm_gpiod_get_index(varargs, GPIOD_ASIS)
#define __devm_gpiod_get_optional(dev, con_id, flags, ...) \
__devm_gpiod_get_optional(dev, con_id, flags)
#define devm_gpiod_get_optional(varargs...) \
__devm_gpiod_get_optional(varargs, 0)
__devm_gpiod_get_optional(varargs, GPIOD_ASIS)
#define __devm_gpiod_get_index_optional(dev, con_id, index, flags, ...) \
__devm_gpiod_get_index_optional(dev, con_id, index, flags)
#define devm_gpiod_get_index_optional(varargs...) \
__devm_gpiod_get_index_optional(varargs, 0)
__devm_gpiod_get_index_optional(varargs, GPIOD_ASIS)
#if IS_ENABLED(CONFIG_GPIOLIB) && IS_ENABLED(CONFIG_GPIO_SYSFS)