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- No need to bzero() the softc structure.

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- Use BUS_DMA_ZERO where appropriate.
This commit is contained in:
Maxime Henrion 2003-08-12 14:55:12 +00:00
parent 9bc72abc30
commit 445e4e83c5
1 changed files with 3 additions and 7 deletions
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10
sys/dev/tx/if_tx.c
View file

@ -234,7 +234,6 @@ epic_attach(dev)
unit = device_get_unit(dev);
/* Preinitialize softc structure. */
bzero(sc, sizeof(epic_softc_t));
sc->unit = unit;
sc->dev = dev;
@ -318,12 +317,11 @@ epic_attach(dev)
/* Allocate DMA safe memory and get the DMA addresses. */
error = bus_dmamem_alloc(sc->ftag, (void **)&sc->tx_flist,
BUS_DMA_NOWAIT, &sc->fmap);
BUS_DMA_NOWAIT | BUS_DMA_ZERO, &sc->fmap);
if (error) {
device_printf(dev, "couldn't allocate dma memory\n");
goto fail;
}
bzero(sc->tx_flist, sizeof(struct epic_frag_list) * TX_RING_SIZE);
error = bus_dmamap_load(sc->ftag, sc->fmap, sc->tx_flist,
sizeof(struct epic_frag_list) * TX_RING_SIZE, epic_dma_map_addr,
&sc->frag_addr, 0);
@ -332,12 +330,11 @@ epic_attach(dev)
goto fail;
}
error = bus_dmamem_alloc(sc->ttag, (void **)&sc->tx_desc,
BUS_DMA_NOWAIT, &sc->tmap);
BUS_DMA_NOWAIT | BUS_DMA_ZERO, &sc->tmap);
if (error) {
device_printf(dev, "couldn't allocate dma memory\n");
goto fail;
}
bzero(sc->tx_desc, sizeof(struct epic_tx_desc) * TX_RING_SIZE);
error = bus_dmamap_load(sc->ttag, sc->tmap, sc->tx_desc,
sizeof(struct epic_tx_desc) * TX_RING_SIZE, epic_dma_map_addr,
&sc->tx_addr, 0);
@ -346,12 +343,11 @@ epic_attach(dev)
goto fail;
}
error = bus_dmamem_alloc(sc->rtag, (void **)&sc->rx_desc,
BUS_DMA_NOWAIT, &sc->rmap);
BUS_DMA_NOWAIT | BUS_DMA_ZERO, &sc->rmap);
if (error) {
device_printf(dev, "couldn't allocate dma memory\n");
goto fail;
}
bzero(sc->rx_desc, sizeof(struct epic_rx_desc) * RX_RING_SIZE);
error = bus_dmamap_load(sc->rtag, sc->rmap, sc->rx_desc,
sizeof(struct epic_rx_desc) * RX_RING_SIZE, epic_dma_map_addr,
&sc->rx_addr, 0);