[src/trunk]: src/sys/dev/i2o Don't mix BUS_DMASYNC_PREREAD and BUS_DMASYNC_PO...

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

details:   https://anonhg.NetBSD.org/src/rev/eb68f795b644
branches:  trunk
changeset: 752200:eb68f795b644
user:      asau <asau%NetBSD.org@localhost>
date:      Fri Feb 19 12:36:15 2010 +0000

description:
Don't mix BUS_DMASYNC_PREREAD and BUS_DMASYNC_POSTWRITE.
Suggested by <bouyer>, fixes PR kern/42662

diffstat:

 sys/dev/i2o/iop.c |  8 ++++----
 1 files changed, 4 insertions(+), 4 deletions(-)

diffs (36 lines):

diff -r df472002c48f -r eb68f795b644 sys/dev/i2o/iop.c
--- a/sys/dev/i2o/iop.c Fri Feb 19 11:15:23 2010 +0000
+++ b/sys/dev/i2o/iop.c Fri Feb 19 12:36:15 2010 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: iop.c,v 1.77 2009/10/21 21:12:05 rmind Exp $   */
+/*     $NetBSD: iop.c,v 1.78 2010/02/19 12:36:15 asau Exp $    */
 
 /*-
  * Copyright (c) 2000, 2001, 2002, 2007 The NetBSD Foundation, Inc.
@@ -34,7 +34,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: iop.c,v 1.77 2009/10/21 21:12:05 rmind Exp $");
+__KERNEL_RCSID(0, "$NetBSD: iop.c,v 1.78 2010/02/19 12:36:15 asau Exp $");
 
 #include "iop.h"
 
@@ -928,7 +928,7 @@
            BUS_DMASYNC_PREWRITE);
        memset(st, 0, sizeof(*st));
        bus_dmamap_sync(sc->sc_dmat, sc->sc_scr_dmamap, 0, sizeof(*st),
-           BUS_DMASYNC_PREREAD|BUS_DMASYNC_POSTWRITE);
+           BUS_DMASYNC_POSTWRITE);
 
        if ((rv = iop_post(sc, (u_int32_t *)&mf)) != 0)
                return (rv);
@@ -993,7 +993,7 @@
            BUS_DMASYNC_PREWRITE);
        *sw = 0;
        bus_dmamap_sync(sc->sc_dmat, sc->sc_scr_dmamap, 0, sizeof(*sw),
-           BUS_DMASYNC_PREREAD|BUS_DMASYNC_POSTWRITE);
+           BUS_DMASYNC_POSTWRITE);
 
        if ((rv = iop_post(sc, mb)) != 0)
                return (rv);