[src/trunk]: src/sys/dev/ic DMA-synchronize the Rx buffers before re-initiali...

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

details:   https://anonhg.NetBSD.org/src/rev/85ff8e32c0d4
branches:  trunk
changeset: 572189:85ff8e32c0d4
user:      dyoung <dyoung%NetBSD.org@localhost>
date:      Thu Dec 23 06:00:35 2004 +0000

description:
DMA-synchronize the Rx buffers before re-initializing them.
XXX not necessary?

diffstat:

 sys/dev/ic/rtw.c |  6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)

diffs (27 lines):

diff -r 4cc9b1a4252c -r 85ff8e32c0d4 sys/dev/ic/rtw.c
--- a/sys/dev/ic/rtw.c  Thu Dec 23 05:57:18 2004 +0000
+++ b/sys/dev/ic/rtw.c  Thu Dec 23 06:00:35 2004 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: rtw.c,v 1.16 2004/12/23 05:57:18 dyoung Exp $ */
+/* $NetBSD: rtw.c,v 1.17 2004/12/23 06:00:35 dyoung Exp $ */
 /*-
  * Copyright (c) 2004, 2005 David Young.  All rights reserved.
  *
@@ -34,7 +34,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: rtw.c,v 1.16 2004/12/23 05:57:18 dyoung Exp $");
+__KERNEL_RCSID(0, "$NetBSD: rtw.c,v 1.17 2004/12/23 06:00:35 dyoung Exp $");
 
 #include "bpfilter.h"
 
@@ -1521,6 +1521,8 @@
 
        rtw_txctl_blk_init_all(&sc->sc_txctl_blk[0]);
 
+       rtw_rxdescs_sync(sc->sc_dmat, sc->sc_desc_dmamap,
+           0, RTW_NRXDESC, BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE);
        rtw_rxctl_init_all(sc->sc_dmat, sc->sc_rxctl, &sc->sc_rxnext,
            sc->sc_dev.dv_xname);
        rtw_rxdesc_init_all(sc->sc_dmat, sc->sc_desc_dmamap,