1 files changed, 2 insertions, 0 deletions

diff --git a/include/linux/i2c.h b/include/linux/i2c.h
index 839d0ea3dca3..50cbab4b62b0 100644
--- a/include/linux/i2c.h
+++ b/include/linux/i2c.h
@@ -35,6 +35,8 @@
 #include <linux/sched.h>        /* for completion */
 #include <linux/mutex.h>
 
+extern struct bus_type i2c_bus_type;
+
 /* --- General options ------------------------------------------------ */
 
 struct i2c_msg;