svn commit: r219992 - stable/8/sys/dev/stge

[Marius Strobl]

Author: marius
Date: Fri Mar 25 12:48:06 2011
New Revision: 219992
URL: http://svn.freebsd.org/changeset/base/219992

Log:
  MFC: r219545
  
  Allocate the DMA memory shared between the host and the controller as
  coherent.

Modified:
  stable/8/sys/dev/stge/if_stge.c
Directory Properties:
  stable/8/sys/   (props changed)
  stable/8/sys/amd64/include/xen/   (props changed)
  stable/8/sys/cddl/contrib/opensolaris/   (props changed)
  stable/8/sys/contrib/dev/acpica/   (props changed)
  stable/8/sys/contrib/pf/   (props changed)

Modified: stable/8/sys/dev/stge/if_stge.c
==============================================================================
--- stable/8/sys/dev/stge/if_stge.c	Fri Mar 25 12:47:01 2011	(r219991)
+++ stable/8/sys/dev/stge/if_stge.c	Fri Mar 25 12:48:06 2011	(r219992)
@@ -967,8 +967,8 @@ stge_dma_alloc(struct stge_softc *sc)
 
 	/* allocate DMA'able memory and load the DMA map for Tx ring. */
 	error = bus_dmamem_alloc(sc->sc_cdata.stge_tx_ring_tag,
-	    (void **)&sc->sc_rdata.stge_tx_ring, BUS_DMA_NOWAIT | BUS_DMA_ZERO,
-	    &sc->sc_cdata.stge_tx_ring_map);
+	    (void **)&sc->sc_rdata.stge_tx_ring, BUS_DMA_NOWAIT |
+	    BUS_DMA_COHERENT | BUS_DMA_ZERO, &sc->sc_cdata.stge_tx_ring_map);
 	if (error != 0) {
 		device_printf(sc->sc_dev,
 		    "failed to allocate DMA'able memory for Tx ring\n");
@@ -988,8 +988,8 @@ stge_dma_alloc(struct stge_softc *sc)
 
 	/* allocate DMA'able memory and load the DMA map for Rx ring. */
 	error = bus_dmamem_alloc(sc->sc_cdata.stge_rx_ring_tag,
-	    (void **)&sc->sc_rdata.stge_rx_ring, BUS_DMA_NOWAIT | BUS_DMA_ZERO,
-	    &sc->sc_cdata.stge_rx_ring_map);
+	    (void **)&sc->sc_rdata.stge_rx_ring, BUS_DMA_NOWAIT |
+	    BUS_DMA_COHERENT | BUS_DMA_ZERO, &sc->sc_cdata.stge_rx_ring_map);
 	if (error != 0) {
 		device_printf(sc->sc_dev,
 		    "failed to allocate DMA'able memory for Rx ring\n");