diff --git a/drivers/staging/greybus/greybus_protocols.h b/drivers/staging/greybus/greybus_protocols.h
index 61fe9dce6ec0..9708e934242f 100644
--- a/drivers/staging/greybus/greybus_protocols.h
+++ b/drivers/staging/greybus/greybus_protocols.h
@@ -64,9 +64,9 @@
  * CONTROL and SVC protocols for communication between AP and SVC.
  */
 #define GB_SVC_BUNDLE_ID			0
-#define GB_SVC_CPORT_ID				2
+#define GB_SVC_CPORT_ID				0
 #define GB_CONTROL_BUNDLE_ID			0
-#define GB_CONTROL_CPORT_ID			2
+#define GB_CONTROL_CPORT_ID			0
 
 
 /* Control Protocol */