|  | /* | 
|  | *  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 __BCM47XX_NVRAM_H | 
|  | #define __BCM47XX_NVRAM_H | 
|  |  | 
|  | #include <linux/types.h> | 
|  | #include <linux/kernel.h> | 
|  | #include <linux/vmalloc.h> | 
|  |  | 
|  | #ifdef CONFIG_BCM47XX_NVRAM | 
|  | int bcm47xx_nvram_init_from_mem(u32 base, u32 lim); | 
|  | int bcm47xx_nvram_getenv(const char *name, char *val, size_t val_len); | 
|  | int bcm47xx_nvram_gpio_pin(const char *name); | 
|  | char *bcm47xx_nvram_get_contents(size_t *val_len); | 
|  | static inline void bcm47xx_nvram_release_contents(char *nvram) | 
|  | { | 
|  | vfree(nvram); | 
|  | }; | 
|  | #else | 
|  | static inline int bcm47xx_nvram_init_from_mem(u32 base, u32 lim) | 
|  | { | 
|  | return -ENOTSUPP; | 
|  | }; | 
|  | static inline int bcm47xx_nvram_getenv(const char *name, char *val, | 
|  | size_t val_len) | 
|  | { | 
|  | return -ENOTSUPP; | 
|  | }; | 
|  | static inline int bcm47xx_nvram_gpio_pin(const char *name) | 
|  | { | 
|  | return -ENOTSUPP; | 
|  | }; | 
|  |  | 
|  | static inline char *bcm47xx_nvram_get_contents(size_t *val_len) | 
|  | { | 
|  | return NULL; | 
|  | }; | 
|  |  | 
|  | static inline void bcm47xx_nvram_release_contents(char *nvram) | 
|  | { | 
|  | }; | 
|  | #endif | 
|  |  | 
|  | #endif /* __BCM47XX_NVRAM_H */ |