summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authoradrian <adrian@FreeBSD.org>2012-04-07 05:51:43 +0000
committeradrian <adrian@FreeBSD.org>2012-04-07 05:51:43 +0000
commit1e4ae572e54eb1ca9e972fb19aefc3266395755b (patch)
treeb473449777f0e1952793d2553a543019d476a3ac
parent8b30efff05ea6c1b250b670afba98d8b6165d8e0 (diff)
downloadFreeBSD-src-1e4ae572e54eb1ca9e972fb19aefc3266395755b.zip
FreeBSD-src-1e4ae572e54eb1ca9e972fb19aefc3266395755b.tar.gz
Do a dma sync before the descriptors are chained together.
I need to find a better place to do this..
-rw-r--r--sys/dev/ath/if_ath_tx.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/sys/dev/ath/if_ath_tx.c b/sys/dev/ath/if_ath_tx.c
index d2602a7..d27df07 100644
--- a/sys/dev/ath/if_ath_tx.c
+++ b/sys/dev/ath/if_ath_tx.c
@@ -322,6 +322,7 @@ ath_tx_chaindesclist(struct ath_softc *sc, struct ath_buf *bf)
ds->ds_ctl0, ds->ds_ctl1, ds->ds_hw[0], ds->ds_hw[1]);
bf->bf_lastds = ds;
}
+ bus_dmamap_sync(sc->sc_dmat, bf->bf_dmamap, BUS_DMASYNC_PREWRITE);
}
/*
@@ -372,6 +373,8 @@ ath_tx_chaindesclist_subframe(struct ath_softc *sc, struct ath_buf *bf)
__func__, i, ds->ds_link, ds->ds_data,
ds->ds_ctl0, ds->ds_ctl1, ds->ds_hw[0], ds->ds_hw[1]);
bf->bf_lastds = ds;
+ bus_dmamap_sync(sc->sc_dmat, bf->bf_dmamap,
+ BUS_DMASYNC_PREWRITE);
}
}
OpenPOWER on IntegriCloud