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trigger the softint processing on that child bus which is not detached yet 

fixes PR kern/53066 by Martin Husemann
This commit is contained in:
jdolecek 2018-04-22 07:47:14 +00:00
parent ad8ea1d746
commit 3996bedd21
1 changed files with 12 additions and 3 deletions
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15
sys/dev/usb/xhci.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: xhci.c,v 1.88 2018/04/21 15:53:24 jdolecek Exp $ */
/* $NetBSD: xhci.c,v 1.89 2018/04/22 07:47:14 jdolecek Exp $ */
/*
* Copyright (c) 2013 Jonathan A. Kollasch
@ -34,7 +34,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: xhci.c,v 1.88 2018/04/21 15:53:24 jdolecek Exp $");
__KERNEL_RCSID(0, "$NetBSD: xhci.c,v 1.89 2018/04/22 07:47:14 jdolecek Exp $");
#ifdef _KERNEL_OPT
#include "opt_usb.h"
@ -1236,7 +1236,16 @@ xhci_intr(void *v)
ret = xhci_intr1(sc);
if (ret) {
usb_schedsoftintr(&sc->sc_bus);
KASSERT(sc->sc_child || sc->sc_child2);
/*
* One of child busses could be already detached. It doesn't
* matter on which of the two the softintr is scheduled.
*/
if (sc->sc_child)
usb_schedsoftintr(&sc->sc_bus);
else
usb_schedsoftintr(&sc->sc_bus2);
}
done:
mutex_spin_exit(&sc->sc_intr_lock);