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-rw-r--r--arch/powerpc/include/asm/gpio.h56
1 files changed, 56 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/gpio.h b/arch/powerpc/include/asm/gpio.h
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+++ b/arch/powerpc/include/asm/gpio.h
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1/*
2 * Generic GPIO API implementation for PowerPC.
3 *
4 * Copyright (c) 2007-2008 MontaVista Software, Inc.
5 *
6 * Author: Anton Vorontsov <avorontsov@ru.mvista.com>
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 */
13
14#ifndef __ASM_POWERPC_GPIO_H
15#define __ASM_POWERPC_GPIO_H
16
17#include <linux/errno.h>
18#include <asm-generic/gpio.h>
19
20#ifdef CONFIG_GPIOLIB
21
22/*
23 * We don't (yet) implement inlined/rapid versions for on-chip gpios.
24 * Just call gpiolib.
25 */
26static inline int gpio_get_value(unsigned int gpio)
27{
28 return __gpio_get_value(gpio);
29}
30
31static inline void gpio_set_value(unsigned int gpio, int value)
32{
33 __gpio_set_value(gpio, value);
34}
35
36static inline int gpio_cansleep(unsigned int gpio)
37{
38 return __gpio_cansleep(gpio);
39}
40
41/*
42 * Not implemented, yet.
43 */
44static inline int gpio_to_irq(unsigned int gpio)
45{
46 return -ENOSYS;
47}
48
49static inline int irq_to_gpio(unsigned int irq)
50{
51 return -EINVAL;
52}
53
54#endif /* CONFIG_GPIOLIB */
55
56#endif /* __ASM_POWERPC_GPIO_H */