[src/trunk]: src/sys/dev/pci Also disable MCR4INT in ubsec_detach() when appr...

[bad <bad%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/945752e501a1
branches:  trunk
changeset: 792215:945752e501a1
user:      bad <bad%NetBSD.org@localhost>
date:      Thu Dec 26 00:51:23 2013 +0000

description:
Also disable MCR4INT in ubsec_detach() when appropriate.

diffstat:

 sys/dev/pci/ubsec.c |  14 ++++++++++----
 1 files changed, 10 insertions(+), 4 deletions(-)

diffs (38 lines):

diff -r 79a033d578fa -r 945752e501a1 sys/dev/pci/ubsec.c
--- a/sys/dev/pci/ubsec.c       Thu Dec 26 00:19:07 2013 +0000
+++ b/sys/dev/pci/ubsec.c       Thu Dec 26 00:51:23 2013 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: ubsec.c,v 1.34 2013/11/17 23:20:18 bad Exp $   */
+/*     $NetBSD: ubsec.c,v 1.35 2013/12/26 00:51:23 bad Exp $   */
 /* $FreeBSD: src/sys/dev/ubsec/ubsec.c,v 1.6.2.6 2003/01/23 21:06:43 sam Exp $ */
 /*     $OpenBSD: ubsec.c,v 1.127 2003/06/04 14:04:58 jason Exp $       */
 
@@ -35,7 +35,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: ubsec.c,v 1.34 2013/11/17 23:20:18 bad Exp $");
+__KERNEL_RCSID(0, "$NetBSD: ubsec.c,v 1.35 2013/12/26 00:51:23 bad Exp $");
 
 #undef UBSEC_DEBUG
 
@@ -544,11 +544,17 @@
 {
        struct ubsec_softc *sc = device_private(self);
        struct ubsec_q *q, *qtmp;
+       volatile u_int32_t ctrl;
 
        /* disable interrupts */
        /* XXX wait/abort current ops? where is DMAERR enabled? */
-       WRITE_REG(sc, BS_CTRL, READ_REG(sc, BS_CTRL) &~
-           (BS_CTRL_MCR2INT | BS_CTRL_MCR1INT | BS_CTRL_DMAERR));
+       ctrl = READ_REG(sc, BS_CTRL);
+
+       ctrl &= ~(BS_CTRL_MCR2INT | BS_CTRL_MCR1INT | BS_CTRL_DMAERR);
+       if (sc->sc_flags & UBS_FLAGS_MULTIMCR)
+               ctrl &= ~BS_CTRL_MCR4INT;
+
+       WRITE_REG(sc, BS_CTRL, ctrl);
 
 #ifndef UBSEC_NO_RNG
        if (sc->sc_flags & UBS_FLAGS_RNG) {