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
27