of/i2c: Fix module load order issue caused by of_i2c.c

[firefly-linux-kernel-4.4.55.git] / drivers / i2c / i2c-core.h

diff --git a/drivers/i2c/i2c-core.h b/drivers/i2c/i2c-core.h
index cd5bff8748557377704015562ea05d07309d0b07..9f9c57ff6708506d5e5c916c956c2ce7bcf91ed0 100644 (file)
--- 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;