From 0712c17ef94b8599a1342b561fbbf1ac8d84a55f Mon Sep 17 00:00:00 2001
From: mglocker <mglocker@openbsd.org>
Date: Wed, 24 Nov 2021 21:47:14 +0000
Subject: [PATCH] Fix panic when running utvfu(4) on xhci(4).

tested and ok ian@
---
 sys/dev/usb/utvfu.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/sys/dev/usb/utvfu.h b/sys/dev/usb/utvfu.h
index 0e89cd2f526..dbf08dda5a0 100644
--- a/sys/dev/usb/utvfu.h
+++ b/sys/dev/usb/utvfu.h
@@ -1,4 +1,4 @@
-/*	$OpenBSD: utvfu.h,v 1.3 2016/06/13 19:52:21 mglocker Exp $ */
+/*	$OpenBSD: utvfu.h,v 1.4 2021/11/24 21:47:14 mglocker Exp $ */
 /*
  * Copyright (c) 2013 Lubomir Rintel
  * All rights reserved.
@@ -57,7 +57,7 @@
  * Number of concurrent isochronous urbs submitted.
  * Higher numbers was seen to overly saturate the USB bus.
  */
-#define UTVFU_ISOC_TRANSFERS	16
+#define UTVFU_ISOC_TRANSFERS	3
 #define UTVFU_ISOC_PACKETS	8
 
 #define UTVFU_CHUNK_SIZE	256
-- 
2.20.1