2 * i2c-core.h - interfaces internal to the I2C framework
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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.
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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.
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16 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
19 #include <linux/rwsem.h>
22 struct list_head list;
24 struct i2c_board_info board_info;
27 /* board_lock protects board_list and first_dynamic_bus_num.
28 * only i2c core components are allowed to use these symbols.
30 extern struct rw_semaphore __i2c_board_lock;
31 extern struct list_head __i2c_board_list;
32 extern int __i2c_first_dynamic_bus_num;