diff --git a/[refs] b/[refs]
index ab3b762e51e3..72466ac02586 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 2eda013f4894bc200124f791a56c4defb613a0cc
+refs/heads/master: 4d922612df8bd1202a1f51d95b78aca3d67302cd
diff --git a/trunk/include/linux/usb.h b/trunk/include/linux/usb.h
index 27a4e16d2bf1..69d845739bc2 100644
--- a/trunk/include/linux/usb.h
+++ b/trunk/include/linux/usb.h
@@ -1073,6 +1073,7 @@ typedef void (*usb_complete_t)(struct urb *);
  *	which the host controller driver should use in preference to the
  *	transfer_buffer.
  * @sg: scatter gather buffer list
+ * @num_mapped_sgs: (internal) number of mapped sg entries
  * @num_sgs: number of entries in the sg list
  * @transfer_buffer_length: How big is transfer_buffer.  The transfer may
  *	be broken up into chunks according to the current maximum packet