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Do a dma sync before the descriptors are chained together.

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I need to find a better place to do this..
This commit is contained in:
Adrian Chadd 2012-04-07 05:51:43 +00:00
parent e2e4a2c2a1
commit 4d7f883711
1 changed files with 3 additions and 0 deletions
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3
sys/dev/ath/if_ath_tx.c
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@ -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);
}
}