From e4e10d4f97c5aa7f38e6d3ce5ae414394dee753a Mon Sep 17 00:00:00 2001
From: jmcneill <jmcneill@NetBSD.org>
Date: Mon, 28 Jan 2008 00:47:05 +0000
Subject: [PATCH] Release port ownership on detach, so devices will be routed
 to companion controllers. This allows 'drvctl -d ehci0' to disable USB 2.0
 mode.

---
 sys/dev/usb/ehci.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/sys/dev/usb/ehci.c b/sys/dev/usb/ehci.c
index 5fd95361483d..0a47915fab33 100644
--- a/sys/dev/usb/ehci.c
+++ b/sys/dev/usb/ehci.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: ehci.c,v 1.127 2007/12/09 20:28:23 jmcneill Exp $ */
+/*	$NetBSD: ehci.c,v 1.128 2008/01/28 00:47:05 jmcneill Exp $ */
 
 /*
  * Copyright (c) 2004,2005 The NetBSD Foundation, Inc.
@@ -61,7 +61,7 @@
 */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: ehci.c,v 1.127 2007/12/09 20:28:23 jmcneill Exp $");
+__KERNEL_RCSID(0, "$NetBSD: ehci.c,v 1.128 2008/01/28 00:47:05 jmcneill Exp $");
 
 #include "ohci.h"
 #include "uhci.h"
@@ -930,6 +930,8 @@ ehci_detach(struct ehci_softc *sc, int flags)
 	/* XXX free other data structures XXX */
 	mutex_destroy(&sc->sc_doorbell_lock);
 
+	EOWRITE4(sc, EHCI_CONFIGFLAG, 0);
+
 	return (rv);
 }