target/linux/bcm53xx/files/include/linux/bcm47xx_nvram.h

   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/types.h>
  12 #include <linux/kernel.h>
  13
  14 #ifdef CONFIG_BCM47XX_NVRAM
  15 int bcm47xx_nvram_init_from_mem(u32 base, u32 lim);
  16 int bcm47xx_nvram_getenv(const char *name, char *val, size_t val_len);
  17 int bcm47xx_nvram_gpio_pin(const char *name);
  18 #else
  19 static inline int bcm47xx_nvram_init_from_mem(u32 base, u32 lim)
  20 {
  21         return -ENOTSUPP;
  22 };
  23 static inline int bcm47xx_nvram_getenv(const char *name, char *val,
  24                                        size_t val_len)
  25 {
  26         return -ENOTSUPP;
  27 };
  28 static inline int bcm47xx_nvram_gpio_pin(const char *name)
  29 {
  30         return -ENOTSUPP;
  31 };
  32 #endif
  33
  34 #endif /* __BCM47XX_NVRAM_H */