X-Git-Url: http://pileus.org/git/?a=blobdiff_plain;f=drivers%2Fi2c%2Fi2c-core.h;h=9f9c57ff6708506d5e5c916c956c2ce7bcf91ed0;hb=f652f6c5b7cfdf139f4155d78f397e99ae1c4acc;hp=cd5bff8748557377704015562ea05d07309d0b07;hpb=f697b677620d04d8c77841745727de85f7e948b1;p=~andy%2Flinux

diff --git a/drivers/i2c/i2c-core.h b/drivers/i2c/i2c-core.h
index cd5bff87485..9f9c57ff670 100644
--- a/drivers/i2c/i2c-core.h
+++ b/drivers/i2c/i2c-core.h
@@ -16,6 +16,8 @@
  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
 
+#include <linux/rwsem.h>
+
 struct i2c_devinfo {
 	struct list_head	list;
 	int			busnum;
@@ -25,7 +27,7 @@ struct i2c_devinfo {
 /* board_lock protects board_list and first_dynamic_bus_num.
  * only i2c core components are allowed to use these symbols.
  */
-extern struct mutex	__i2c_board_lock;
+extern struct rw_semaphore	__i2c_board_lock;
 extern struct list_head	__i2c_board_list;
 extern int		__i2c_first_dynamic_bus_num;