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Tip revision: ea5f6ad9ad9645733b72ab53a98e719b460d36a6 authored by Linus Torvalds on 16 May 2024, 16:14:50 UTC
Merge tag 'platform-drivers-x86-v6.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86
Tip revision: ea5f6ad
of_gpio.h
/* SPDX-License-Identifier: GPL-2.0+ */
/*
 * OF helpers for the GPIO API
 *
 * Copyright (c) 2007-2008  MontaVista Software, Inc.
 *
 * Author: Anton Vorontsov <avorontsov@ru.mvista.com>
 */

#ifndef __LINUX_OF_GPIO_H
#define __LINUX_OF_GPIO_H

#include <linux/compiler.h>
#include <linux/gpio/driver.h>
#include <linux/gpio.h>		/* FIXME: Shouldn't be here */
#include <linux/of.h>

struct device_node;

#ifdef CONFIG_OF_GPIO

extern int of_get_named_gpio(const struct device_node *np,
			     const char *list_name, int index);

#else /* CONFIG_OF_GPIO */

#include <linux/errno.h>

/* Drivers may not strictly depend on the GPIO support, so let them link. */
static inline int of_get_named_gpio(const struct device_node *np,
                                   const char *propname, int index)
{
	return -ENOSYS;
}

#endif /* CONFIG_OF_GPIO */

#endif /* __LINUX_OF_GPIO_H */
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