Index: sys/dev/msk/if_msk.c
===================================================================
--- sys/dev/msk/if_msk.c	(revision 193879)
+++ sys/dev/msk/if_msk.c	(working copy)
@@ -673,8 +673,7 @@
 	}
 
 	bus_dmamap_sync(sc_if->msk_cdata.msk_rx_ring_tag,
-	    sc_if->msk_cdata.msk_rx_ring_map,
-	    BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
+	    sc_if->msk_cdata.msk_rx_ring_map, BUS_DMASYNC_PREWRITE);
 
 	/* Update prefetch unit. */
 	sc_if->msk_cdata.msk_rx_prod = MSK_RX_RING_CNT - 1;
@@ -712,8 +711,7 @@
 	}
 
 	bus_dmamap_sync(sc_if->msk_cdata.msk_jumbo_rx_ring_tag,
-	    sc_if->msk_cdata.msk_jumbo_rx_ring_map,
-	    BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
+	    sc_if->msk_cdata.msk_jumbo_rx_ring_map, BUS_DMASYNC_PREWRITE);
 
 	sc_if->msk_cdata.msk_rx_prod = MSK_JUMBO_RX_RING_CNT - 1;
 	CSR_WRITE_2(sc_if->msk_softc,
@@ -3365,12 +3363,11 @@
 		bus_dmamap_sync(
 		    sc_if->msk_cdata.msk_jumbo_rx_ring_tag,
 		    sc_if->msk_cdata.msk_jumbo_rx_ring_map,
-		    BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
+		    BUS_DMASYNC_PREWRITE);
 	else
 		bus_dmamap_sync(
 		    sc_if->msk_cdata.msk_rx_ring_tag,
-		    sc_if->msk_cdata.msk_rx_ring_map,
-		    BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
+		    sc_if->msk_cdata.msk_rx_ring_map, BUS_DMASYNC_PREWRITE);
 	CSR_WRITE_2(sc, Y2_PREF_Q_ADDR(sc_if->msk_rxq,
 	    PREF_UNIT_PUT_IDX_REG), sc_if->msk_cdata.msk_rx_prod);
 }
@@ -3391,7 +3388,6 @@
 	/* Sync status LEs. */
 	bus_dmamap_sync(sc->msk_stat_tag, sc->msk_stat_map,
 	    BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE);
-	/* XXX Sync Rx LEs here. */
 
 	rxput[MSK_PORT_A] = rxput[MSK_PORT_B] = 0;
 
@@ -3401,16 +3397,9 @@
 		control = le32toh(sd->msk_control);
 		if ((control & HW_OWNER) == 0)
 			break;
-		/*
-		 * Marvell's FreeBSD driver updates status LE after clearing
-		 * HW_OWNER. However we don't have a way to sync single LE
-		 * with bus_dma(9) API. bus_dma(9) provides a way to sync
-		 * an entire DMA map. So don't sync LE until we have a better
-		 * way to sync LEs.
-		 */
 		control &= ~HW_OWNER;
-		sd->msk_control = htole32(control);
 		status = le32toh(sd->msk_status);
+		sd->msk_control = 0;
 		len = control & STLE_LEN_MASK;
 		port = (control >> 16) & 0x01;
 		sc_if = sc->msk_if[port];
@@ -3467,8 +3456,9 @@
 			break;
 	}
 
+	bus_dmamap_sync(sc->msk_stat_tag, sc->msk_stat_map,
+	    BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
 	sc->msk_stat_cons = cons;
-	/* XXX We should sync status LEs here. See above notes. */
 
 	if (rxput[MSK_PORT_A] > 0)
 		msk_rxput(sc->msk_if[MSK_PORT_A]);