diff options
author | Tejun Heo <tj@kernel.org> | 2010-05-10 19:41:41 (GMT) |
---|---|---|
committer | Jeff Garzik <jgarzik@redhat.com> | 2010-05-19 17:38:54 (GMT) |
commit | f60d70113fa04e32aee2dedbf304a48469c9c45c (patch) | |
tree | 6e74f483773dfae0adda0faa8754b5ce6129d8f7 /drivers/ata | |
parent | f47451c45fe0032ef491aaf3e0623fa0154e156d (diff) | |
download | linux-f60d70113fa04e32aee2dedbf304a48469c9c45c.tar.xz |
libata-sff: prd is BMDMA specific
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>
Diffstat (limited to 'drivers/ata')
-rw-r--r-- | drivers/ata/libata-sff.c | 27 | ||||
-rw-r--r-- | drivers/ata/pata_ns87415.c | 2 | ||||
-rw-r--r-- | drivers/ata/pata_scc.c | 4 | ||||
-rw-r--r-- | drivers/ata/sata_nv.c | 4 | ||||
-rw-r--r-- | drivers/ata/sata_promise.c | 21 | ||||
-rw-r--r-- | drivers/ata/sata_sil.c | 6 | ||||
-rw-r--r-- | drivers/ata/sata_svw.c | 2 |
7 files changed, 35 insertions, 31 deletions
diff --git a/drivers/ata/libata-sff.c b/drivers/ata/libata-sff.c index a58693b..6f52b59 100644 --- a/drivers/ata/libata-sff.c +++ b/drivers/ata/libata-sff.c @@ -2650,6 +2650,7 @@ EXPORT_SYMBOL_GPL(ata_bmdma32_port_ops); static void ata_bmdma_fill_sg(struct ata_queued_cmd *qc) { struct ata_port *ap = qc->ap; + struct ata_bmdma_prd *prd = ap->bmdma_prd; struct scatterlist *sg; unsigned int si, pi; @@ -2671,8 +2672,8 @@ static void ata_bmdma_fill_sg(struct ata_queued_cmd *qc) if ((offset + sg_len) > 0x10000) len = 0x10000 - offset; - ap->prd[pi].addr = cpu_to_le32(addr); - ap->prd[pi].flags_len = cpu_to_le32(len & 0xffff); + prd[pi].addr = cpu_to_le32(addr); + prd[pi].flags_len = cpu_to_le32(len & 0xffff); VPRINTK("PRD[%u] = (0x%X, 0x%X)\n", pi, addr, len); pi++; @@ -2681,7 +2682,7 @@ static void ata_bmdma_fill_sg(struct ata_queued_cmd *qc) } } - ap->prd[pi - 1].flags_len |= cpu_to_le32(ATA_PRD_EOT); + prd[pi - 1].flags_len |= cpu_to_le32(ATA_PRD_EOT); } /** @@ -2700,6 +2701,7 @@ static void ata_bmdma_fill_sg(struct ata_queued_cmd *qc) static void ata_bmdma_fill_sg_dumb(struct ata_queued_cmd *qc) { struct ata_port *ap = qc->ap; + struct ata_bmdma_prd *prd = ap->bmdma_prd; struct scatterlist *sg; unsigned int si, pi; @@ -2722,16 +2724,16 @@ static void ata_bmdma_fill_sg_dumb(struct ata_queued_cmd *qc) len = 0x10000 - offset; blen = len & 0xffff; - ap->prd[pi].addr = cpu_to_le32(addr); + prd[pi].addr = cpu_to_le32(addr); if (blen == 0) { /* Some PATA chipsets like the CS5530 can't cope with 0x0000 meaning 64K as the spec says */ - ap->prd[pi].flags_len = cpu_to_le32(0x8000); + prd[pi].flags_len = cpu_to_le32(0x8000); blen = 0x8000; - ap->prd[++pi].addr = cpu_to_le32(addr + 0x8000); + prd[++pi].addr = cpu_to_le32(addr + 0x8000); } - ap->prd[pi].flags_len = cpu_to_le32(blen); + prd[pi].flags_len = cpu_to_le32(blen); VPRINTK("PRD[%u] = (0x%X, 0x%X)\n", pi, addr, len); pi++; @@ -2740,7 +2742,7 @@ static void ata_bmdma_fill_sg_dumb(struct ata_queued_cmd *qc) } } - ap->prd[pi - 1].flags_len |= cpu_to_le32(ATA_PRD_EOT); + prd[pi - 1].flags_len |= cpu_to_le32(ATA_PRD_EOT); } /** @@ -2872,7 +2874,7 @@ void ata_bmdma_setup(struct ata_queued_cmd *qc) /* load PRD table addr. */ mb(); /* make sure PRD table writes are visible to controller */ - iowrite32(ap->prd_dma, ap->ioaddr.bmdma_addr + ATA_DMA_TABLE_OFS); + iowrite32(ap->bmdma_prd_dma, ap->ioaddr.bmdma_addr + ATA_DMA_TABLE_OFS); /* specify data direction, triple-check start bit is clear */ dmactl = ioread8(ap->ioaddr.bmdma_addr + ATA_DMA_CMD); @@ -2977,9 +2979,10 @@ EXPORT_SYMBOL_GPL(ata_bmdma_status); int ata_bmdma_port_start(struct ata_port *ap) { if (ap->mwdma_mask || ap->udma_mask) { - ap->prd = dmam_alloc_coherent(ap->host->dev, ATA_PRD_TBL_SZ, - &ap->prd_dma, GFP_KERNEL); - if (!ap->prd) + ap->bmdma_prd = + dmam_alloc_coherent(ap->host->dev, ATA_PRD_TBL_SZ, + &ap->bmdma_prd_dma, GFP_KERNEL); + if (!ap->bmdma_prd) return -ENOMEM; } diff --git a/drivers/ata/pata_ns87415.c b/drivers/ata/pata_ns87415.c index 830431f..fdbba2d 100644 --- a/drivers/ata/pata_ns87415.c +++ b/drivers/ata/pata_ns87415.c @@ -126,7 +126,7 @@ static void ns87415_bmdma_setup(struct ata_queued_cmd *qc) /* load PRD table addr. */ mb(); /* make sure PRD table writes are visible to controller */ - iowrite32(ap->prd_dma, ap->ioaddr.bmdma_addr + ATA_DMA_TABLE_OFS); + iowrite32(ap->bmdma_prd_dma, ap->ioaddr.bmdma_addr + ATA_DMA_TABLE_OFS); /* specify data direction, triple-check start bit is clear */ dmactl = ioread8(ap->ioaddr.bmdma_addr + ATA_DMA_CMD); diff --git a/drivers/ata/pata_scc.c b/drivers/ata/pata_scc.c index 93f690e..6f6193b 100644 --- a/drivers/ata/pata_scc.c +++ b/drivers/ata/pata_scc.c @@ -441,7 +441,7 @@ static void scc_bmdma_setup (struct ata_queued_cmd *qc) void __iomem *mmio = ap->ioaddr.bmdma_addr; /* load PRD table addr */ - out_be32(mmio + SCC_DMA_TABLE_OFS, ap->prd_dma); + out_be32(mmio + SCC_DMA_TABLE_OFS, ap->bmdma_prd_dma); /* specify data direction, triple-check start bit is clear */ dmactl = in_be32(mmio + SCC_DMA_CMD); @@ -905,7 +905,7 @@ static int scc_port_start (struct ata_port *ap) if (rc) return rc; - out_be32(mmio + SCC_DMA_PTERADD, ap->prd_dma); + out_be32(mmio + SCC_DMA_PTERADD, ap->bmdma_prd_dma); return 0; } diff --git a/drivers/ata/sata_nv.c b/drivers/ata/sata_nv.c index 7a283d5..4863a62 100644 --- a/drivers/ata/sata_nv.c +++ b/drivers/ata/sata_nv.c @@ -272,7 +272,7 @@ enum ncq_saw_flag_list { }; struct nv_swncq_port_priv { - struct ata_prd *prd; /* our SG list */ + struct ata_bmdma_prd *prd; /* our SG list */ dma_addr_t prd_dma; /* and its DMA mapping */ void __iomem *sactive_block; void __iomem *irq_block; @@ -2027,7 +2027,7 @@ static void nv_swncq_fill_sg(struct ata_queued_cmd *qc) struct ata_port *ap = qc->ap; struct scatterlist *sg; struct nv_swncq_port_priv *pp = ap->private_data; - struct ata_prd *prd; + struct ata_bmdma_prd *prd; unsigned int si, idx; prd = pp->prd + ATA_MAX_PRD * qc->tag; diff --git a/drivers/ata/sata_promise.c b/drivers/ata/sata_promise.c index 09a6179..f03ad48 100644 --- a/drivers/ata/sata_promise.c +++ b/drivers/ata/sata_promise.c @@ -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); diff --git a/drivers/ata/sata_sil.c b/drivers/ata/sata_sil.c index 9c367f7..2dda312 100644 --- a/drivers/ata/sata_sil.c +++ b/drivers/ata/sata_sil.c @@ -284,7 +284,7 @@ static void sil_bmdma_setup(struct ata_queued_cmd *qc) void __iomem *bmdma = ap->ioaddr.bmdma_addr; /* load PRD table addr. */ - iowrite32(ap->prd_dma, bmdma + ATA_DMA_TABLE_OFS); + iowrite32(ap->bmdma_prd_dma, bmdma + ATA_DMA_TABLE_OFS); /* issue r/w command */ ap->ops->sff_exec_command(ap, &qc->tf); @@ -311,10 +311,10 @@ static void sil_fill_sg(struct ata_queued_cmd *qc) { struct scatterlist *sg; struct ata_port *ap = qc->ap; - struct ata_prd *prd, *last_prd = NULL; + struct ata_bmdma_prd *prd, *last_prd = NULL; unsigned int si; - prd = &ap->prd[0]; + prd = &ap->bmdma_prd[0]; for_each_sg(qc->sg, sg, qc->n_elem, si) { /* Note h/w doesn't support 64-bit, so we unconditionally * truncate dma_addr_t to u32. diff --git a/drivers/ata/sata_svw.c b/drivers/ata/sata_svw.c index 7257f2d..101fd6a 100644 --- a/drivers/ata/sata_svw.c +++ b/drivers/ata/sata_svw.c @@ -224,7 +224,7 @@ static void k2_bmdma_setup_mmio(struct ata_queued_cmd *qc) /* load PRD table addr. */ mb(); /* make sure PRD table writes are visible to controller */ - writel(ap->prd_dma, mmio + ATA_DMA_TABLE_OFS); + writel(ap->bmdma_prd_dma, mmio + ATA_DMA_TABLE_OFS); /* specify data direction, triple-check start bit is clear */ dmactl = readb(mmio + ATA_DMA_CMD); |