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firewire: fw-sbp2: convert to new SCSI data buffer accessors 

Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
This commit is contained in:
Stefan Richter 2007-07-16 21:05:41 +02:00
parent 9c9bdf4d50
commit 412edf654a
1 changed files with 7 additions and 9 deletions
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16
drivers/firewire/fw-sbp2.c
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@ -840,7 +840,6 @@ complete_command_orb(struct sbp2_orb *base_orb, struct sbp2_status *status)
container_of(base_orb, struct sbp2_command_orb, base); container_of(base_orb, struct sbp2_command_orb, base);
struct fw_unit *unit = orb->unit; struct fw_unit *unit = orb->unit;
struct fw_device *device = fw_device(unit->device.parent); struct fw_device *device = fw_device(unit->device.parent);
struct scatterlist *sg;
int result; int result;
if (status != NULL) { if (status != NULL) {
@ -876,11 +875,10 @@ complete_command_orb(struct sbp2_orb *base_orb, struct sbp2_status *status)
dma_unmap_single(device->card->device, orb->base.request_bus, dma_unmap_single(device->card->device, orb->base.request_bus,
sizeof(orb->request), DMA_TO_DEVICE); sizeof(orb->request), DMA_TO_DEVICE);
if (orb->cmd->use_sg > 0) { if (scsi_sg_count(orb->cmd) > 0)
sg = (struct scatterlist *)orb->cmd->request_buffer; dma_unmap_sg(device->card->device, scsi_sglist(orb->cmd),
dma_unmap_sg(device->card->device, sg, orb->cmd->use_sg, scsi_sg_count(orb->cmd),
orb->cmd->sc_data_direction); orb->cmd->sc_data_direction);
}
if (orb->page_table_bus != 0) if (orb->page_table_bus != 0)
dma_unmap_single(device->card->device, orb->page_table_bus, dma_unmap_single(device->card->device, orb->page_table_bus,
@ -901,8 +899,8 @@ static int sbp2_command_orb_map_scatterlist(struct sbp2_command_orb *orb)
int sg_len, l, i, j, count; int sg_len, l, i, j, count;
dma_addr_t sg_addr; dma_addr_t sg_addr;
sg = (struct scatterlist *)orb->cmd->request_buffer; sg = scsi_sglist(orb->cmd);
count = dma_map_sg(device->card->device, sg, orb->cmd->use_sg, count = dma_map_sg(device->card->device, sg, scsi_sg_count(orb->cmd),
orb->cmd->sc_data_direction); orb->cmd->sc_data_direction);
if (count == 0) if (count == 0)
goto fail; goto fail;
@ -971,7 +969,7 @@ static int sbp2_command_orb_map_scatterlist(struct sbp2_command_orb *orb)
return 0; return 0;
fail_page_table: fail_page_table:
dma_unmap_sg(device->card->device, sg, orb->cmd->use_sg, dma_unmap_sg(device->card->device, sg, scsi_sg_count(orb->cmd),
orb->cmd->sc_data_direction); orb->cmd->sc_data_direction);
fail: fail:
return -ENOMEM; return -ENOMEM;
@ -1031,7 +1029,7 @@ static int sbp2_scsi_queuecommand(struct scsi_cmnd *cmd, scsi_done_fn_t done)
orb->request.misc |= orb->request.misc |=
COMMAND_ORB_DIRECTION(SBP2_DIRECTION_TO_MEDIA); COMMAND_ORB_DIRECTION(SBP2_DIRECTION_TO_MEDIA);
if (cmd->use_sg && sbp2_command_orb_map_scatterlist(orb) < 0) if (scsi_sg_count(cmd) && sbp2_command_orb_map_scatterlist(orb) < 0)
goto fail_mapping; goto fail_mapping;
fw_memcpy_to_be32(&orb->request, &orb->request, sizeof(orb->request)); fw_memcpy_to_be32(&orb->request, &orb->request, sizeof(orb->request));