[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>
diff --git a/drivers/scsi/libata-bmdma.c b/drivers/scsi/libata-bmdma.c
index e694f60..158f62db 100644
--- a/drivers/scsi/libata-bmdma.c
+++ b/drivers/scsi/libata-bmdma.c
@@ -872,50 +872,43 @@
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;
}