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/*
* An inteface for configuring a hardware via u-boot environment.
*
* Copyright (c) 2009 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 _HWCONFIG_H
#define _HWCONFIG_H
#include <linux/types.h>
#include <asm/errno.h>
#ifdef CONFIG_HWCONFIG
extern int hwconfig(const char *opt);
extern const char *hwconfig_arg(const char *opt, size_t *arglen);
extern int hwconfig_arg_cmp(const char *opt, const char *arg);
extern int hwconfig_sub(const char *opt, const char *subopt);
extern const char *hwconfig_subarg(const char *opt, const char *subopt,
size_t *subarglen);
extern int hwconfig_subarg_cmp(const char *opt, const char *subopt,
const char *subarg);
#else
static inline int hwconfig(const char *opt)
{
return -ENOSYS;
}
static inline const char *hwconfig_arg(const char *opt, size_t *arglen)
{
*arglen = 0;
return "";
}
static inline int hwconfig_arg_cmp(const char *opt, const char *arg)
{
return -ENOSYS;
}
static inline int hwconfig_sub(const char *opt, const char *subopt)
{
return -ENOSYS;
}
static inline const char *hwconfig_subarg(const char *opt, const char *subopt,
size_t *subarglen)
{
*subarglen = 0;
return "";
}
static inline int hwconfig_subarg_cmp(const char *opt, const char *subopt,
const char *subarg)
{
return -ENOSYS;
}
#endif /* CONFIG_HWCONFIG */
#endif /* _HWCONFIG_H */
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