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kernel/linux-rt-4.4.41/include/linux/bcm47xx_nvram.h 1.19 KB
5113f6f70   김현기   kernel add
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  /*
   *  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 */