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Allocate the DMA memory shared between the host and the controller as

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coherent.

MFC after:	2 weeks
This commit is contained in:
Marius Strobl 2011-03-11 22:25:34 +00:00
parent a1dd7a55b0
commit 006aaeeadf
1 changed files with 4 additions and 4 deletions
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8
sys/dev/xl/if_xl.c
View file

@ -1317,8 +1317,8 @@ xl_attach(device_t dev)
}
error = bus_dmamem_alloc(sc->xl_ldata.xl_rx_tag,
(void **)&sc->xl_ldata.xl_rx_list, BUS_DMA_NOWAIT | BUS_DMA_ZERO,
&sc->xl_ldata.xl_rx_dmamap);
(void **)&sc->xl_ldata.xl_rx_list, BUS_DMA_NOWAIT |
BUS_DMA_COHERENT | BUS_DMA_ZERO, &sc->xl_ldata.xl_rx_dmamap);
if (error) {
device_printf(dev, "no memory for rx list buffers!\n");
bus_dma_tag_destroy(sc->xl_ldata.xl_rx_tag);
@ -1349,8 +1349,8 @@ xl_attach(device_t dev)
}
error = bus_dmamem_alloc(sc->xl_ldata.xl_tx_tag,
(void **)&sc->xl_ldata.xl_tx_list, BUS_DMA_NOWAIT | BUS_DMA_ZERO,
&sc->xl_ldata.xl_tx_dmamap);
(void **)&sc->xl_ldata.xl_tx_list, BUS_DMA_NOWAIT |
BUS_DMA_COHERENT | BUS_DMA_ZERO, &sc->xl_ldata.xl_tx_dmamap);
if (error) {
device_printf(dev, "no memory for list buffers!\n");
bus_dma_tag_destroy(sc->xl_ldata.xl_tx_tag);