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authorbouyer <bouyer@NetBSD.org>2010-02-21 14:16:47 +0000
committerbouyer <bouyer@NetBSD.org>2010-02-21 14:16:47 +0000
commit80f97b6e051c0e1afe5a9dff86c013e26475be4f (patch)
tree99950ccc53db0fee619206ef219d4c07071cb5b7 /sys/dev
parent03c7f48412cdf71c5f52e2486b07fbfe305f0f1a (diff)
Fix bus_dmamap_sync(): it should be a BUS_DMASYNC_POSTWRITE after
writing to DMA memory. Found by code inspection.
Diffstat (limited to 'sys/dev')
-rw-r--r--sys/dev/i2o/iop.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/sys/dev/i2o/iop.c b/sys/dev/i2o/iop.c
index 0c530aef87e..50662a8ab82 100644
--- a/sys/dev/i2o/iop.c
+++ b/sys/dev/i2o/iop.c
@@ -1,4 +1,4 @@
-/* $NetBSD: iop.c,v 1.78 2010/02/19 12:36:15 asau Exp $ */
+/* $NetBSD: iop.c,v 1.79 2010/02/21 14:16:47 bouyer 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 1.78 2010/02/19 12:36:15 asau Exp $");
+__KERNEL_RCSID(0, "$NetBSD: iop.c,v 1.79 2010/02/21 14:16:47 bouyer Exp $");
#include "iop.h"
@@ -1538,7 +1538,7 @@ iop_reset(struct iop_softc *sc)
BUS_DMASYNC_PREWRITE);
*sw = htole32(0);
bus_dmamap_sync(sc->sc_dmat, sc->sc_scr_dmamap, 0, sizeof(*sw),
- BUS_DMASYNC_PREWRITE|BUS_DMASYNC_PREREAD);
+ BUS_DMASYNC_POSTWRITE);
if ((rv = iop_post(sc, (u_int32_t *)&mf)))
return (rv);