1/*
2 * i2c-core.h - interfaces internal to the I2C framework
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12 * GNU General Public License for more details.
13 */
14
15#include <linux/rwsem.h>
16
17struct i2c_devinfo {
18	struct list_head	list;
19	int			busnum;
20	struct i2c_board_info	board_info;
21};
22
23/* board_lock protects board_list and first_dynamic_bus_num.
24 * only i2c core components are allowed to use these symbols.
25 */
26extern struct rw_semaphore	__i2c_board_lock;
27extern struct list_head	__i2c_board_list;
28extern int		__i2c_first_dynamic_bus_num;
29
30