/* * 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 */