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Controller updates RFA via DMA so driver needs synchronization.

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Add missing BUS_DMASYNC_POSTWRITE and BUS_DMASYNC_PREREAD.
This commit is contained in:
yongari 2010-05-14 16:55:13 +00:00
parent c472f73fed
commit ac29b33354
1 changed files with 2 additions and 2 deletions
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4
sys/dev/fxp/if_fxp.c
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@ -1899,7 +1899,7 @@ fxp_intr_body(struct fxp_softc *sc, struct ifnet *ifp, uint8_t statack,
rfa = (struct fxp_rfa *)(m->m_ext.ext_buf +
RFA_ALIGNMENT_FUDGE);
bus_dmamap_sync(sc->fxp_rxmtag, rxp->rx_map,
BUS_DMASYNC_POSTREAD);
BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE);
#ifdef DEVICE_POLLING /* loop at most count times if count >=0 */
if (count >= 0 && count-- == 0) {
@ -2659,7 +2659,7 @@ fxp_add_rfabuf(struct fxp_softc *sc, struct fxp_rx *rxp)
le32enc(&p_rfa->link_addr, rxp->rx_addr);
p_rfa->rfa_control = 0;
bus_dmamap_sync(sc->fxp_rxmtag, p_rx->rx_map,
BUS_DMASYNC_PREWRITE);
BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
} else {
rxp->rx_next = NULL;
sc->fxp_desc.rx_head = rxp;