Commit 5f829e40 authored by Wolfram Sang's avatar Wolfram Sang Committed by Linus Torvalds
Browse files

gpiolib: add missing functions to generic fallback 



Signed-off-by: default avatarWolfram Sang <w.sang@pengutronix.de>
Cc: David Brownell <dbrownell@users.sourceforge.net>
Cc: Greg KH <gregkh@suse.de>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 0fdae42d

include/linux/gpio.h

+20 −0
Original line number Diff line number Diff line
@@ -13,6 +13,7 @@ 
#include <linux/errno.h>



struct device;

struct gpio;

struct gpio_chip;



/*
@@ -34,6 +35,17 @@ static inline int __must_check gpio_request(unsigned gpio, const char *label) 
	return -ENOSYS;

}



static inline int __must_check gpio_request_one(unsigned gpio,

					unsigned long flags, const char *label)

{

	return -ENOSYS;

}



static inline int __must_check gpio_request_array(struct gpio *array, size_t num)

{

	return -ENOSYS;

}



static inline void gpio_free(unsigned gpio)

{

	might_sleep();
@@ -42,6 +54,14 @@ static inline void gpio_free(unsigned gpio) 
	WARN_ON(1);

}



static inline void gpio_free_array(struct gpio *array, size_t num)

{

	might_sleep();



	/* GPIO can never have been requested */

	WARN_ON(1);

}



static inline int __must_check gpio_direction_input(unsigned gpio)

{

	return -ENOSYS;