Author: marius
Date: Fri Mar 11 22:23:46 2011
New Revision: 219545
URL: http://svn.freebsd.org/changeset/base/219545
Log:
Allocate the DMA memory shared between the host and the controller as
coherent.
MFC after: 2 weeks
Modified:
head/sys/dev/stge/if_stge.c
Modified: head/sys/dev/stge/if_stge.c
==============================================================================
--- head/sys/dev/stge/if_stge.c Fri Mar 11 22:21:12 2011 (r219544)
+++ head/sys/dev/stge/if_stge.c Fri Mar 11 22:23:46 2011 (r219545)
@@ -960,8 +960,8 @@ 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");
@@ -981,8 +981,8 @@ 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");
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