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- /*
- * 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.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
- #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;
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