include/eeprom.h

   1 /* SPDX-License-Identifier: GPL-2.0+ */
   2 /*
   3  * (C) Copyright 2000-2009
   4  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
   5  */
   6
   7 #ifndef __EEPROM_LEGACY_H
   8 #define __EEPROM_LEGACY_H
   9
  10 #if defined(CONFIG_CMD_EEPROM) || defined(CONFIG_ENV_IS_IN_EEPROM)
  11 #include <linux/types.h>
  12
  13 void eeprom_init(int bus);
  14 int eeprom_read(uint dev_addr, uint offset, uchar *buffer, uint cnt);
  15 int eeprom_write(uint dev_addr, uint offset, uchar *buffer, uint cnt);
  16 #else
  17 /*
  18  * Some EEPROM code is depecated because it used the legacy I2C interface. Add
  19  * some macros here so we don't have to touch every one of those uses
  20  */
  21 #define eeprom_init(bus)
  22 #define eeprom_read(dev_addr, offset, buffer, cnt) (-ENOSYS)
  23 #define eeprom_write(dev_addr, offset, buffer, cnt) (-ENOSYS)
  24 #endif
  25
  26 #endif