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Use the BUS_DMA_ZERO flag.

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This commit is contained in:
Maxime Henrion 2003-07-27 14:00:02 +00:00
parent 42e85383ff
commit aafb3ebbe3
3 changed files with 4 additions and 8 deletions
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3
sys/dev/dc/if_dc.c
View File

@ -2131,7 +2131,7 @@ dc_attach(device_t dev)
goto fail;
}
error = bus_dmamem_alloc(sc->dc_ltag, (void **)&sc->dc_ldata,
BUS_DMA_NOWAIT, &sc->dc_lmap);
BUS_DMA_NOWAIT | BUS_DMA_ZERO, &sc->dc_lmap);
if (error) {
printf("dc%d: failed to allocate DMA safe memory\n", unit);
error = ENXIO;
@ -2145,7 +2145,6 @@ dc_attach(device_t dev)
error = ENXIO;
goto fail;
}
bzero(sc->dc_ldata, sizeof(struct dc_list_data));
/*
* Allocate a busdma tag and DMA safe memory for the multicast

6
sys/dev/fxp/if_fxp.c
View File

@ -642,7 +642,7 @@ fxp_attach(device_t dev)
}
error = bus_dmamem_alloc(sc->fxp_stag, (void **)&sc->fxp_stats,
BUS_DMA_NOWAIT, &sc->fxp_smap);
BUS_DMA_NOWAIT | BUS_DMA_ZERO, &sc->fxp_smap);
if (error)
goto fail;
error = bus_dmamap_load(sc->fxp_stag, sc->fxp_smap, sc->fxp_stats,
@ -651,7 +651,6 @@ fxp_attach(device_t dev)
device_printf(dev, "could not map the stats buffer\n");
goto fail;
}
bzero(sc->fxp_stats, sizeof(struct fxp_stats));
error = bus_dma_tag_create(NULL, 4, 0, BUS_SPACE_MAXADDR_32BIT,
BUS_SPACE_MAXADDR, NULL, NULL, FXP_TXCB_SZ, 1,
@ -662,10 +661,9 @@ fxp_attach(device_t dev)
}
error = bus_dmamem_alloc(sc->cbl_tag, (void **)&sc->fxp_desc.cbl_list,
BUS_DMA_NOWAIT, &sc->cbl_map);
BUS_DMA_NOWAIT | BUS_DMA_ZERO, &sc->cbl_map);
if (error)
goto fail;
bzero(sc->fxp_desc.cbl_list, FXP_TXCB_SZ);
error = bus_dmamap_load(sc->cbl_tag, sc->cbl_map,
sc->fxp_desc.cbl_list, FXP_TXCB_SZ, fxp_dma_map_addr,

3
sys/pci/if_dc.c
View File

@ -2131,7 +2131,7 @@ dc_attach(device_t dev)
goto fail;
}
error = bus_dmamem_alloc(sc->dc_ltag, (void **)&sc->dc_ldata,
BUS_DMA_NOWAIT, &sc->dc_lmap);
BUS_DMA_NOWAIT | BUS_DMA_ZERO, &sc->dc_lmap);
if (error) {
printf("dc%d: failed to allocate DMA safe memory\n", unit);
error = ENXIO;
@ -2145,7 +2145,6 @@ dc_attach(device_t dev)
error = ENXIO;
goto fail;
}
bzero(sc->dc_ldata, sizeof(struct dc_list_data));
/*
* Allocate a busdma tag and DMA safe memory for the multicast