From 709576bb305ad43af426b0feb29dc3f18b28a8eb Mon Sep 17 00:00:00 2001
From: kettenis <kettenis@openbsd.org>
Date: Sun, 1 Jan 2023 21:45:40 +0000
Subject: [PATCH] Clear status bits when we receive a host system error. 
 Otherwise the interrupt keeps firing even if the hos controller has been
 declared dead.

ok mpi@
---
 sys/dev/usb/xhci.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/sys/dev/usb/xhci.c b/sys/dev/usb/xhci.c
index 05f5479aa6f..518a569240d 100644
--- a/sys/dev/usb/xhci.c
+++ b/sys/dev/usb/xhci.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: xhci.c,v 1.127 2022/12/12 19:18:25 kettenis Exp $ */
+/* $OpenBSD: xhci.c,v 1.128 2023/01/01 21:45:40 kettenis Exp $ */
 
 /*
  * Copyright (c) 2014-2015 Martin Pieuchot
@@ -628,6 +628,7 @@ xhci_intr1(struct xhci_softc *sc)
 	if (intrs & XHCI_STS_HSE) {
 		printf("%s: host system error\n", DEVNAME(sc));
 		sc->sc_bus.dying = 1;
+		XOWRITE4(sc, XHCI_USBSTS, intrs);
 		return (1);
 	}
 
-- 
2.20.1