Author: adrian
Date: Sat Apr 7 05:51:43 2012
New Revision: 233990
URL: http://svn.freebsd.org/changeset/base/233990
Log:
Do a dma sync before the descriptors are chained together.
I need to find a better place to do this..
Modified:
head/sys/dev/ath/if_ath_tx.c
Modified: head/sys/dev/ath/if_ath_tx.c
==============================================================================
--- head/sys/dev/ath/if_ath_tx.c Sat Apr 7 05:48:26 2012
(r233989)
+++ head/sys/dev/ath/if_ath_tx.c Sat Apr 7 05:51:43 2012
(r233990)
@@ -322,6 +322,7 @@ ath_tx_chaindesclist(struct ath_softc *s
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
__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);
}
}
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