- if (!SCpnt->use_sg) {
-
- /* If we get here with PCI_DMA_NONE, pci_map_single triggers a BUG() */
- if (!SCpnt->request_bufflen)
- pci_dir = PCI_DMA_BIDIRECTIONAL;
-
- if (SCpnt->request_buffer)
- cpp->data_address = H2DEV(pci_map_single(ha->pdev,
- SCpnt->
- request_buffer,
- SCpnt->
- request_bufflen,
- pci_dir));
-
- cpp->data_len = H2DEV(SCpnt->request_bufflen);
- return;
- }
-
- sgpnt = (struct scatterlist *)SCpnt->request_buffer;
- count = pci_map_sg(ha->pdev, sgpnt, SCpnt->use_sg, pci_dir);
-
- for (k = 0; k < count; k++) {
- cpp->sglist[k].address = H2DEV(sg_dma_address(&sgpnt[k]));
- cpp->sglist[k].num_bytes = H2DEV(sg_dma_len(&sgpnt[k]));
+ count = scsi_dma_map(SCpnt);
+ BUG_ON(count < 0);
+ scsi_for_each_sg(SCpnt, sg, count, k) {
+ cpp->sglist[k].address = H2DEV(sg_dma_address(sg));
+ cpp->sglist[k].num_bytes = H2DEV(sg_dma_len(sg));