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libata-sff: prd is BMDMA specific

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struct ata_prd and ap->prd are BMDMA specific.  Add bmdma_ prefix to
them and move them inside CONFIG_ATA_SFF.

Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
This commit is contained in:
Tejun Heo
2010-05-10 21:41:41 +02:00
committed by Jeff Garzik
parent f47451c45f
commit f60d70113f
9 changed files with 38 additions and 35 deletions
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21
drivers/ata/sata_promise.c
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@ -500,7 +500,7 @@ static int pdc_sata_scr_write(struct ata_link *link,
static void pdc_atapi_pkt(struct ata_queued_cmd *qc)
{
struct ata_port *ap = qc->ap;
dma_addr_t sg_table = ap->prd_dma;
dma_addr_t sg_table = ap->bmdma_prd_dma;
unsigned int cdb_len = qc->dev->cdb_len;
u8 *cdb = qc->cdb;
struct pdc_port_priv *pp = ap->private_data;
@ -588,6 +588,7 @@ static void pdc_atapi_pkt(struct ata_queued_cmd *qc)
static void pdc_fill_sg(struct ata_queued_cmd *qc)
{
struct ata_port *ap = qc->ap;
struct ata_bmdma_prd *prd = ap->bmdma_prd;
struct scatterlist *sg;
const u32 SG_COUNT_ASIC_BUG = 41*4;
unsigned int si, idx;
@ -614,8 +615,8 @@ static void pdc_fill_sg(struct ata_queued_cmd *qc)
if ((offset + sg_len) > 0x10000)
len = 0x10000 - offset;
ap->prd[idx].addr = cpu_to_le32(addr);
ap->prd[idx].flags_len = cpu_to_le32(len & 0xffff);
prd[idx].addr = cpu_to_le32(addr);
prd[idx].flags_len = cpu_to_le32(len & 0xffff);
VPRINTK("PRD[%u] = (0x%X, 0x%X)\n", idx, addr, len);
idx++;
@ -624,27 +625,27 @@ static void pdc_fill_sg(struct ata_queued_cmd *qc)
}
}
len = le32_to_cpu(ap->prd[idx - 1].flags_len);
len = le32_to_cpu(prd[idx - 1].flags_len);
if (len > SG_COUNT_ASIC_BUG) {
u32 addr;
VPRINTK("Splitting last PRD.\n");
addr = le32_to_cpu(ap->prd[idx - 1].addr);
ap->prd[idx - 1].flags_len = cpu_to_le32(len - SG_COUNT_ASIC_BUG);
addr = le32_to_cpu(prd[idx - 1].addr);
prd[idx - 1].flags_len = cpu_to_le32(len - SG_COUNT_ASIC_BUG);
VPRINTK("PRD[%u] = (0x%X, 0x%X)\n", idx - 1, addr, SG_COUNT_ASIC_BUG);
addr = addr + len - SG_COUNT_ASIC_BUG;
len = SG_COUNT_ASIC_BUG;
ap->prd[idx].addr = cpu_to_le32(addr);
ap->prd[idx].flags_len = cpu_to_le32(len);
prd[idx].addr = cpu_to_le32(addr);
prd[idx].flags_len = cpu_to_le32(len);
VPRINTK("PRD[%u] = (0x%X, 0x%X)\n", idx, addr, len);
idx++;
}
ap->prd[idx - 1].flags_len |= cpu_to_le32(ATA_PRD_EOT);
prd[idx - 1].flags_len |= cpu_to_le32(ATA_PRD_EOT);
}
static void pdc_qc_prep(struct ata_queued_cmd *qc)
@ -659,7 +660,7 @@ static void pdc_qc_prep(struct ata_queued_cmd *qc)
pdc_fill_sg(qc);
/*FALLTHROUGH*/
case ATA_PROT_NODATA:
i = pdc_pkt_header(&qc->tf, qc->ap->prd_dma,
i = pdc_pkt_header(&qc->tf, qc->ap->bmdma_prd_dma,
qc->dev->devno, pp->pkt);
if (qc->tf.flags & ATA_TFLAG_LBA48)
i = pdc_prep_lba48(&qc->tf, pp->pkt, i);