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1 | /* | |
2 | * This program is free software; you can redistribute it and/or modify it | |
3 | * under the terms of the GNU General Public License as published by the | |
4 | * Free Software Foundation; either version 2 of the License, or (at your | |
5 | * option) any later version. | |
6 | */ | |
7 | ||
8 | #ifndef __BCM47XX_NVRAM_H | |
9 | #define __BCM47XX_NVRAM_H | |
10 | ||
11 | #include <linux/errno.h> | |
12 | #include <linux/types.h> | |
13 | #include <linux/kernel.h> | |
14 | #include <linux/vmalloc.h> | |
15 | ||
16 | #ifdef CONFIG_BCM47XX_NVRAM | |
17 | int bcm47xx_nvram_init_from_mem(u32 base, u32 lim); | |
18 | int bcm47xx_nvram_getenv(const char *name, char *val, size_t val_len); | |
19 | int bcm47xx_nvram_gpio_pin(const char *name); | |
20 | char *bcm47xx_nvram_get_contents(size_t *val_len); | |
21 | static inline void bcm47xx_nvram_release_contents(char *nvram) | |
22 | { | |
23 | vfree(nvram); | |
24 | }; | |
25 | #else | |
26 | static inline int bcm47xx_nvram_init_from_mem(u32 base, u32 lim) | |
27 | { | |
28 | return -ENOTSUPP; | |
29 | }; | |
30 | static inline int bcm47xx_nvram_getenv(const char *name, char *val, | |
31 | size_t val_len) | |
32 | { | |
33 | return -ENOTSUPP; | |
34 | }; | |
35 | static inline int bcm47xx_nvram_gpio_pin(const char *name) | |
36 | { | |
37 | return -ENOTSUPP; | |
38 | }; | |
39 | ||
40 | static inline char *bcm47xx_nvram_get_contents(size_t *val_len) | |
41 | { | |
42 | return NULL; | |
43 | }; | |
44 | ||
45 | static inline void bcm47xx_nvram_release_contents(char *nvram) | |
46 | { | |
47 | }; | |
48 | #endif | |
49 | ||
50 | #endif /* __BCM47XX_NVRAM_H */ |