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| author | Brian King <brking@us.ibm.com> | 2006-03-23 17:30:15 -0600 |
|---|---|---|
| committer | Jeff Garzik <jeff@garzik.org> | 2006-03-24 10:18:43 -0500 |
| commit | 2f1f610b62bce36d6d50857859091b8989c70267 (patch) | |
| tree | cc79a77d3bee9aa00976d25ae69fb1c5e80ba452 | |
| parent | 2af10a818de1658f818601c7098056d65a772bc5 (diff) | |
| download | linux-2f1f610b62bce36d6d50857859091b8989c70267.tar.gz linux-2f1f610b62bce36d6d50857859091b8989c70267.tar.bz2 linux-2f1f610b62bce36d6d50857859091b8989c70267.zip | |
[PATCH] libata: Remove dependence on host_set->dev for SAS
Remove some of the dependence on the host_set struct
in preparation for supporting SAS HBAs. Adds a struct device
pointer to the ata_port struct.
Signed-off-by: Brian King <brking@us.ibm.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
| -rw-r--r-- | drivers/scsi/libata-core.c | 13 | ||||
| -rw-r--r-- | include/linux/libata.h | 1 |
2 files changed, 8 insertions, 6 deletions
diff --git a/drivers/scsi/libata-core.c b/drivers/scsi/libata-core.c index 94ad4acf8a59..d279666dcb38 100644 --- a/drivers/scsi/libata-core.c +++ b/drivers/scsi/libata-core.c @@ -2856,7 +2856,7 @@ static void ata_sg_clean(struct ata_queued_cmd *qc) if (qc->flags & ATA_QCFLAG_SG) { if (qc->n_elem) - dma_unmap_sg(ap->host_set->dev, sg, qc->n_elem, dir); + dma_unmap_sg(ap->dev, sg, qc->n_elem, dir); /* restore last sg */ sg[qc->orig_n_elem - 1].length += qc->pad_len; if (pad_buf) { @@ -2867,7 +2867,7 @@ static void ata_sg_clean(struct ata_queued_cmd *qc) } } else { if (qc->n_elem) - dma_unmap_single(ap->host_set->dev, + dma_unmap_single(ap->dev, sg_dma_address(&sg[0]), sg_dma_len(&sg[0]), dir); /* restore sg */ @@ -3078,7 +3078,7 @@ static int ata_sg_setup_one(struct ata_queued_cmd *qc) goto skip_map; } - dma_address = dma_map_single(ap->host_set->dev, qc->buf_virt, + dma_address = dma_map_single(ap->dev, qc->buf_virt, sg->length, dir); if (dma_mapping_error(dma_address)) { /* restore sg */ @@ -3166,7 +3166,7 @@ static int ata_sg_setup(struct ata_queued_cmd *qc) } dir = qc->dma_dir; - n_elem = dma_map_sg(ap->host_set->dev, sg, pre_n_elem, dir); + n_elem = dma_map_sg(ap->dev, sg, pre_n_elem, dir); if (n_elem < 1) { /* restore last sg */ lsg->length += qc->pad_len; @@ -4381,7 +4381,7 @@ int ata_device_suspend(struct ata_port *ap, struct ata_device *dev, pm_message_t int ata_port_start (struct ata_port *ap) { - struct device *dev = ap->host_set->dev; + struct device *dev = ap->dev; int rc; ap->prd = dma_alloc_coherent(dev, ATA_PRD_TBL_SZ, &ap->prd_dma, GFP_KERNEL); @@ -4414,7 +4414,7 @@ int ata_port_start (struct ata_port *ap) void ata_port_stop (struct ata_port *ap) { - struct device *dev = ap->host_set->dev; + struct device *dev = ap->dev; dma_free_coherent(dev, ATA_PRD_TBL_SZ, ap->prd, ap->prd_dma); ata_pad_free(ap, dev); @@ -4480,6 +4480,7 @@ static void ata_host_init(struct ata_port *ap, struct Scsi_Host *host, ap->host = host; ap->ctl = ATA_DEVCTL_OBS; ap->host_set = host_set; + ap->dev = ent->dev; ap->port_no = port_no; ap->hard_port_no = ent->legacy_mode ? ent->hard_port_no : port_no; diff --git a/include/linux/libata.h b/include/linux/libata.h index 80c2339da67d..047192253c3a 100644 --- a/include/linux/libata.h +++ b/include/linux/libata.h @@ -400,6 +400,7 @@ struct ata_port { struct ata_host_stats stats; struct ata_host_set *host_set; + struct device *dev; struct work_struct port_task; |