| /* |
| * i2c-core.h - interfaces internal to the I2C framework |
| * |
| * 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. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| */ |
| |
| #include <linux/rwsem.h> |
| |
| struct i2c_devinfo { |
| struct list_head list; |
| int busnum; |
| struct i2c_board_info board_info; |
| }; |
| |
| /* board_lock protects board_list and first_dynamic_bus_num. |
| * only i2c core components are allowed to use these symbols. |
| */ |
| extern struct rw_semaphore __i2c_board_lock; |
| extern struct list_head __i2c_board_list; |
| extern int __i2c_first_dynamic_bus_num; |
| |