diff options
| author | Tejun Heo <htejun@gmail.com> | 2006-08-10 16:59:14 +0900 |
|---|---|---|
| committer | Tejun Heo <htejun@gmail.com> | 2006-08-10 16:59:14 +0900 |
| commit | c4b01f1de254820175fe2d02b4cf7c0fab335846 (patch) | |
| tree | 316335e3faa6ee6d1dcb3c102d95d7a9d4cf575b /drivers/scsi/libata-bmdma.c | |
| parent | dd5b06c490de72440ec39f814de99a714a45a1a9 (diff) | |
[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/scsi/libata-bmdma.c')
| -rw-r--r-- | drivers/scsi/libata-bmdma.c | 41 |
1 files changed, 17 insertions, 24 deletions
diff --git a/drivers/scsi/libata-bmdma.c b/drivers/scsi/libata-bmdma.c index e694f6075c3..158f62dbf21 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; } |