[src/trunk]: src/sys/dev/marvell Add missing bus_dmamap_sync() for the RX buf...

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

details:   https://anonhg.NetBSD.org/src/rev/178aa0dedc45
branches:  trunk
changeset: 781437:178aa0dedc45
user:      msaitoh <msaitoh%NetBSD.org@localhost>
date:      Thu Sep 06 03:45:02 2012 +0000

description:
Add missing bus_dmamap_sync() for the RX buffer.

diffstat:

 sys/dev/marvell/if_mvgbe.c |  13 +++++++++----
 1 files changed, 9 insertions(+), 4 deletions(-)

diffs (44 lines):

diff -r 74535aca6bfe -r 178aa0dedc45 sys/dev/marvell/if_mvgbe.c
--- a/sys/dev/marvell/if_mvgbe.c        Thu Sep 06 03:05:41 2012 +0000
+++ b/sys/dev/marvell/if_mvgbe.c        Thu Sep 06 03:45:02 2012 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: if_mvgbe.c,v 1.18 2012/07/22 14:32:59 matt Exp $       */
+/*     $NetBSD: if_mvgbe.c,v 1.19 2012/09/06 03:45:02 msaitoh Exp $    */
 /*
  * Copyright (c) 2007, 2008 KIYOHARA Takashi
  * All rights reserved.
@@ -25,7 +25,7 @@
  * POSSIBILITY OF SUCH DAMAGE.
  */
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: if_mvgbe.c,v 1.18 2012/07/22 14:32:59 matt Exp $");
+__KERNEL_RCSID(0, "$NetBSD: if_mvgbe.c,v 1.19 2012/09/06 03:45:02 msaitoh Exp $");
 
 #include <sys/param.h>
 #include <sys/bus.h>
@@ -1293,6 +1293,7 @@
        struct mvgbe_chain *c;
        struct mvgbe_rx_desc *r;
        int align;
+       vaddr_t offset;
 
        if (m == NULL) {
                void *buf = NULL;
@@ -1335,11 +1336,15 @@
        c = &sc->sc_cdata.mvgbe_rx_chain[i];
        r = c->mvgbe_desc;
        c->mvgbe_mbuf = m_new;
-       r->bufptr = dmamap->dm_segs[0].ds_addr +
-           (((vaddr_t)m_new->m_data - (vaddr_t)sc->sc_cdata.mvgbe_jumbo_buf));
+       offset = (vaddr_t)m_new->m_data - (vaddr_t)sc->sc_cdata.mvgbe_jumbo_buf;
+       r->bufptr = dmamap->dm_segs[0].ds_addr + offset;
        r->bufsize = MVGBE_JLEN & ~MVGBE_RXBUF_MASK;
        r->cmdsts = MVGBE_BUFFER_OWNED_BY_DMA | MVGBE_RX_ENABLE_INTERRUPT;
 
+       /* Invalidate RX buffer */
+       bus_dmamap_sync(sc->sc_dmat, dmamap, offset, r->bufsize,
+           BUS_DMASYNC_PREREAD);
+
        MVGBE_CDRXSYNC(sc, i, BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
 
        return 0;