u-boot/include/hwconfig.h
Tom Rini 83d290c56f SPDX: Convert all of our single license tags to Linux Kernel style
When U-Boot started using SPDX tags we were among the early adopters and
there weren't a lot of other examples to borrow from.  So we picked the
area of the file that usually had a full license text and replaced it
with an appropriate SPDX-License-Identifier: entry.  Since then, the
Linux Kernel has adopted SPDX tags and they place it as the very first
line in a file (except where shebangs are used, then it's second line)
and with slightly different comment styles than us.

In part due to community overlap, in part due to better tag visibility
and in part for other minor reasons, switch over to that style.

This commit changes all instances where we have a single declared
license in the tag as both the before and after are identical in tag
contents.  There's also a few places where I found we did not have a tag
and have introduced one.

Signed-off-by: Tom Rini <trini@konsulko.com>
2018-05-07 09:34:12 -04:00

100 lines
2.4 KiB
C

/* SPDX-License-Identifier: GPL-2.0+ */
/*
* An inteface for configuring a hardware via u-boot environment.
*
* Copyright (c) 2009 MontaVista Software, Inc.
* Copyright 2011 Freescale Semiconductor, Inc.
*
* Author: Anton Vorontsov <avorontsov@ru.mvista.com>
*/
#ifndef _HWCONFIG_H
#define _HWCONFIG_H
#include <linux/types.h>
#include <linux/errno.h>
#ifdef CONFIG_HWCONFIG
extern int hwconfig_f(const char *opt, char *buf);
extern const char *hwconfig_arg_f(const char *opt, size_t *arglen, char *buf);
extern int hwconfig_arg_cmp_f(const char *opt, const char *arg, char *buf);
extern int hwconfig_sub_f(const char *opt, const char *subopt, char *buf);
extern const char *hwconfig_subarg_f(const char *opt, const char *subopt,
size_t *subarglen, char *buf);
extern int hwconfig_subarg_cmp_f(const char *opt, const char *subopt,
const char *subarg, char *buf);
#else
static inline int hwconfig_f(const char *opt, char *buf)
{
return -ENOSYS;
}
static inline const char *hwconfig_arg_f(const char *opt, size_t *arglen,
char *buf)
{
*arglen = 0;
return "";
}
static inline int hwconfig_arg_cmp_f(const char *opt, const char *arg,
char *buf)
{
return -ENOSYS;
}
static inline int hwconfig_sub_f(const char *opt, const char *subopt, char *buf)
{
return -ENOSYS;
}
static inline const char *hwconfig_subarg_f(const char *opt, const char *subopt,
size_t *subarglen, char *buf)
{
*subarglen = 0;
return "";
}
static inline int hwconfig_subarg_cmp_f(const char *opt, const char *subopt,
const char *subarg, char *buf)
{
return -ENOSYS;
}
#endif /* CONFIG_HWCONFIG */
static inline int hwconfig(const char *opt)
{
return hwconfig_f(opt, NULL);
}
static inline const char *hwconfig_arg(const char *opt, size_t *arglen)
{
return hwconfig_arg_f(opt, arglen, NULL);
}
static inline int hwconfig_arg_cmp(const char *opt, const char *arg)
{
return hwconfig_arg_cmp_f(opt, arg, NULL);
}
static inline int hwconfig_sub(const char *opt, const char *subopt)
{
return hwconfig_sub_f(opt, subopt, NULL);
}
static inline const char *hwconfig_subarg(const char *opt, const char *subopt,
size_t *subarglen)
{
return hwconfig_subarg_f(opt, subopt, subarglen, NULL);
}
static inline int hwconfig_subarg_cmp(const char *opt, const char *subopt,
const char *subarg)
{
return hwconfig_subarg_cmp_f(opt, subopt, subarg, NULL);
}
#endif /* _HWCONFIG_H */