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authorTejun Heo <htejun@gmail.com>2006-08-10 16:59:14 +0900
committerTejun Heo <htejun@gmail.com>2006-08-10 16:59:14 +0900
commitc4b01f1de254820175fe2d02b4cf7c0fab335846 (patch)
tree316335e3faa6ee6d1dcb3c102d95d7a9d4cf575b /drivers
parentdd5b06c490de72440ec39f814de99a714a45a1a9 (diff)
downloadlinux-c4b01f1de254820175fe2d02b4cf7c0fab335846.tar.gz
linux-c4b01f1de254820175fe2d02b4cf7c0fab335846.tar.xz
[PATCH] libata: use dummy port for stolen legacy ports
Use dummy port for stolen legacy ports. This makes ap->port_no always equal ap->hard_port_no. Signed-off-by: Tejun Heo <htejun@gmail.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/scsi/libata-bmdma.c41
-rw-r--r--drivers/scsi/libata-core.c2
2 files changed, 17 insertions, 26 deletions
diff --git a/drivers/scsi/libata-bmdma.c b/drivers/scsi/libata-bmdma.c
index e694f6075c3b..158f62dbf21b 100644
--- a/drivers/scsi/libata-bmdma.c
+++ b/drivers/scsi/libata-bmdma.c
@@ -872,50 +872,43 @@ static struct ata_probe_ent *ata_pci_init_legacy_port(struct pci_dev *pdev,
struct ata_probe_ent *probe_ent;
unsigned long bmdma = pci_resource_start(pdev, 4);
- int port_num = 0;
-
probe_ent = ata_probe_ent_alloc(pci_dev_to_dev(pdev), port[0]);
if (!probe_ent)
return NULL;
- probe_ent->legacy_mode = 1;
- probe_ent->hard_port_no = 0;
+ probe_ent->n_ports = 2;
probe_ent->private_data = port[0]->private_data;
if (port_mask & ATA_PORT_PRIMARY) {
probe_ent->irq = 14;
- probe_ent->port[port_num].cmd_addr = ATA_PRIMARY_CMD;
- probe_ent->port[port_num].altstatus_addr =
- probe_ent->port[port_num].ctl_addr = ATA_PRIMARY_CTL;
+ probe_ent->port[0].cmd_addr = ATA_PRIMARY_CMD;
+ probe_ent->port[0].altstatus_addr =
+ probe_ent->port[0].ctl_addr = ATA_PRIMARY_CTL;
if (bmdma) {
probe_ent->port[0].bmdma_addr = bmdma;
if (inb(bmdma + 2) & 0x80)
probe_ent->host_set_flags |= ATA_HOST_SIMPLEX;
}
- ata_std_ports(&probe_ent->port[port_num]);
- port_num ++;
- }
+ ata_std_ports(&probe_ent->port[0]);
+ } else
+ probe_ent->dummy_port_mask |= ATA_PORT_PRIMARY;
+
if (port_mask & ATA_PORT_SECONDARY) {
- if (port_num == 1)
+ if (probe_ent->irq)
probe_ent->irq2 = 15;
- else {
- /* Secondary only. IRQ 15 only and "first" port is port 1 */
+ else
probe_ent->irq = 15;
- probe_ent->hard_port_no = 1;
- }
- probe_ent->port[port_num].cmd_addr = ATA_SECONDARY_CMD;
- probe_ent->port[port_num].altstatus_addr =
- probe_ent->port[port_num].ctl_addr = ATA_SECONDARY_CTL;
+ probe_ent->port[1].cmd_addr = ATA_SECONDARY_CMD;
+ probe_ent->port[1].altstatus_addr =
+ probe_ent->port[1].ctl_addr = ATA_SECONDARY_CTL;
if (bmdma) {
- probe_ent->port[port_num].bmdma_addr = bmdma + 8;
+ probe_ent->port[1].bmdma_addr = bmdma + 8;
if (inb(bmdma + 10) & 0x80)
probe_ent->host_set_flags |= ATA_HOST_SIMPLEX;
}
- ata_std_ports(&probe_ent->port[port_num]);
- port_num ++;
- }
-
- probe_ent->n_ports = port_num;
+ ata_std_ports(&probe_ent->port[1]);
+ } else
+ probe_ent->dummy_port_mask |= ATA_PORT_SECONDARY;
return probe_ent;
}
diff --git a/drivers/scsi/libata-core.c b/drivers/scsi/libata-core.c
index f2e7e2f13db9..2ef86b4e7f6d 100644
--- a/drivers/scsi/libata-core.c
+++ b/drivers/scsi/libata-core.c
@@ -5224,8 +5224,6 @@ void ata_port_init(struct ata_port *ap, struct ata_host_set *host_set,
ap->dev = ent->dev;
ap->port_no = port_no;
ap->hard_port_no = port_no;
- if (ent->legacy_mode)
- ap->hard_port_no += ent->hard_port_no;
ap->pio_mask = ent->pio_mask;
ap->mwdma_mask = ent->mwdma_mask;
ap->udma_mask = ent->udma_mask;