--- e18c6773809f47f740988f96d66634a586d24cdb
+++ 5aeabd8bda513a09388d96a3b2922d90d736903c
@@ -543,6 +543,7 @@ static int ehci_init(struct usb_hcd *hcd
 	 */
 	ehci->periodic_size = DEFAULT_I_TDPS;
 	INIT_LIST_HEAD(&ehci->cached_itd_list);
+	INIT_LIST_HEAD(&ehci->cached_sitd_list);
 	if ((retval = ehci_mem_init(ehci, GFP_KERNEL)) < 0)
 		return retval;
 
@@ -993,7 +994,7 @@ rescan:
 	/* endpoints can be iso streams.  for now, we don't
 	 * accelerate iso completions ... so spin a while.
 	 */
-	if (qh->hw->hw_info1 == 0) {
+	if (qh->hw == NULL) {
 		ehci_vdbg (ehci, "iso delay\n");
 		goto idle_timeout;
 	}