LXR linux/include/linux/bcm47xx

   1/* SPDX-License-Identifier: GPL-2.0-or-later */
   2/*
   3 */
   4
   5#ifndef __BCM47XX_NVRAM_H
   6#define __BCM47XX_NVRAM_H
   7
   8#include <linux/errno.h>
   9#include <linux/types.h>
  10#include <linux/kernel.h>
  11#include <linux/vmalloc.h>
  12
  13#ifdef CONFIG_BCM47XX_NVRAM
  14int bcm47xx_nvram_init_from_mem(u32 base, u32 lim);
  15int bcm47xx_nvram_getenv(const char *name, char *val, size_t val_len);
  16int bcm47xx_nvram_gpio_pin(const char *name);
  17char *bcm47xx_nvram_get_contents(size_t *val_len);
  18static inline void bcm47xx_nvram_release_contents(char *nvram)
  19{
  20        vfree(nvram);
  21};
  22#else
  23static inline int bcm47xx_nvram_init_from_mem(u32 base, u32 lim)
  24{
  25        return -ENOTSUPP;
  26};
  27static inline int bcm47xx_nvram_getenv(const char *name, char *val,
  28                                       size_t val_len)
  29{
  30        return -ENOTSUPP;
  31};
  32static inline int bcm47xx_nvram_gpio_pin(const char *name)
  33{
  34        return -ENOTSUPP;
  35};
  36
  37static inline char *bcm47xx_nvram_get_contents(size_t *val_len)
  38{
  39        return NULL;
  40};
  41
  42static inline void bcm47xx_nvram_release_contents(char *nvram)
  43{
  44};
  45#endif
  46
  47#endif /* __BCM47XX_NVRAM_H */
  48