diff options
Diffstat (limited to 'sys/dev/ata/ata-dma.c')
| -rw-r--r-- | sys/dev/ata/ata-dma.c | 17 |
1 files changed, 8 insertions, 9 deletions
diff --git a/sys/dev/ata/ata-dma.c b/sys/dev/ata/ata-dma.c index 770b13f..eae4348 100644 --- a/sys/dev/ata/ata-dma.c +++ b/sys/dev/ata/ata-dma.c @@ -78,7 +78,7 @@ ata_dmainit(device_t dev) ch->dma.segsize = 65536; ch->dma.max_iosize = 128 * DEV_BSIZE; ch->dma.max_address = BUS_SPACE_MAXADDR_32BIT; - ch->dma.dma_slots = 6; + ch->dma.dma_slots = 1; if (bus_dma_tag_create(bus_get_dma_tag(dev), ch->dma.alignment, 0, ch->dma.max_address, BUS_SPACE_MAXADDR, @@ -256,37 +256,36 @@ static int ata_dmaload(struct ata_request *request, void *addr, int *entries) { struct ata_channel *ch = device_get_softc(request->parent); - struct ata_device *atadev = device_get_softc(request->dev); struct ata_dmasetprd_args dspa; int error; ATA_DEBUG_RQ(request, "dmaload"); if (request->dma) { - device_printf(request->dev, + device_printf(request->parent, "FAILURE - already active DMA on this device\n"); return EIO; } if (!request->bytecount) { - device_printf(request->dev, + device_printf(request->parent, "FAILURE - zero length DMA transfer attempted\n"); return EIO; } if (request->bytecount & (ch->dma.alignment - 1)) { - device_printf(request->dev, + device_printf(request->parent, "FAILURE - odd-sized DMA transfer attempt %d %% %d\n", request->bytecount, ch->dma.alignment); return EIO; } if (request->bytecount > ch->dma.max_iosize) { - device_printf(request->dev, + device_printf(request->parent, "FAILURE - oversized DMA transfer attempt %d > %d\n", request->bytecount, ch->dma.max_iosize); return EIO; } - /* set our slot, unit for simplicity XXX SOS NCQ will change that */ - request->dma = &ch->dma.slot[atadev->unit]; + /* set our slot. XXX SOS NCQ will change that */ + request->dma = &ch->dma.slot[0]; if (addr) dspa.dmatab = addr; @@ -297,7 +296,7 @@ ata_dmaload(struct ata_request *request, void *addr, int *entries) request->data, request->bytecount, ch->dma.setprd, &dspa, BUS_DMA_NOWAIT)) || (error = dspa.error)) { - device_printf(request->dev, "FAILURE - load data\n"); + device_printf(request->parent, "FAILURE - load data\n"); goto error; } |
