mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-10-29 23:53:32 +00:00
81ee42baa4
Allow people to use gpiolib on Alpha if they want to, mostly for build coverage. The header is a stright copy of that for Microblaze, which in turn was taken from PowerPC. [akpm@linux-foundation.org: define GENERIC_GPIO] Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Cc: Richard Henderson <rth@twiddle.net> Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru> Cc: Matt Turner <mattst88@gmail.com> Acked-by: Grant Likely <grant.likely@secretlab.ca> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
55 lines
1.2 KiB
C
55 lines
1.2 KiB
C
/*
|
|
* Generic GPIO API implementation for Alpha.
|
|
*
|
|
* A stright copy of that for PowerPC which was:
|
|
*
|
|
* Copyright (c) 2007-2008 MontaVista Software, Inc.
|
|
*
|
|
* Author: Anton Vorontsov <avorontsov@ru.mvista.com>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*/
|
|
|
|
#ifndef _ASM_ALPHA_GPIO_H
|
|
#define _ASM_ALPHA_GPIO_H
|
|
|
|
#include <linux/errno.h>
|
|
#include <asm-generic/gpio.h>
|
|
|
|
#ifdef CONFIG_GPIOLIB
|
|
|
|
/*
|
|
* We don't (yet) implement inlined/rapid versions for on-chip gpios.
|
|
* Just call gpiolib.
|
|
*/
|
|
static inline int gpio_get_value(unsigned int gpio)
|
|
{
|
|
return __gpio_get_value(gpio);
|
|
}
|
|
|
|
static inline void gpio_set_value(unsigned int gpio, int value)
|
|
{
|
|
__gpio_set_value(gpio, value);
|
|
}
|
|
|
|
static inline int gpio_cansleep(unsigned int gpio)
|
|
{
|
|
return __gpio_cansleep(gpio);
|
|
}
|
|
|
|
static inline int gpio_to_irq(unsigned int gpio)
|
|
{
|
|
return __gpio_to_irq(gpio);
|
|
}
|
|
|
|
static inline int irq_to_gpio(unsigned int irq)
|
|
{
|
|
return -EINVAL;
|
|
}
|
|
|
|
#endif /* CONFIG_GPIOLIB */
|
|
|
|
#endif /* _ASM_ALPHA_GPIO_H */
|