diff --git a/drivers/usb/host/ehci.h b/drivers/usb/host/ehci.h
index bd6ff48..fa3129fe 100644
--- a/drivers/usb/host/ehci.h
+++ b/drivers/usb/host/ehci.h
@@ -87,6 +87,8 @@
 	union ehci_shadow	*pshadow;	/* mirror hw periodic table */
 	int			next_uframe;	/* scan periodic, start here */
 	unsigned		periodic_sched;	/* periodic activity count */
+	unsigned		uframe_periodic_max; /* max periodic time per uframe */
+
 
 	/* list of itds & sitds completed while clock_frame was still active */
 	struct list_head	cached_itd_list;