diff options
| -rw-r--r-- | drivers/scsi/libata-core.c | 46 |
1 files changed, 25 insertions, 21 deletions
diff --git a/drivers/scsi/libata-core.c b/drivers/scsi/libata-core.c index 10803f72c57..b710fc48074 100644 --- a/drivers/scsi/libata-core.c +++ b/drivers/scsi/libata-core.c @@ -1211,35 +1211,40 @@ err_out_nosup: static int ata_bus_probe(struct ata_port *ap) { - unsigned int i, found = 0; + unsigned int classes[ATA_MAX_DEVICES]; + unsigned int i, rc, found = 0; - if (ap->ops->probe_reset) { - unsigned int classes[ATA_MAX_DEVICES]; - int rc; - - ata_port_probe(ap); + ata_port_probe(ap); + /* reset */ + if (ap->ops->probe_reset) { rc = ap->ops->probe_reset(ap, classes); - if (rc == 0) { - for (i = 0; i < ATA_MAX_DEVICES; i++) { - if (classes[i] == ATA_DEV_UNKNOWN) - classes[i] = ATA_DEV_NONE; - ap->device[i].class = classes[i]; - } - } else { - printk(KERN_ERR "ata%u: probe reset failed, " - "disabling port\n", ap->id); - ata_port_disable(ap); + if (rc) { + printk("ata%u: reset failed (errno=%d)\n", ap->id, rc); + return rc; } - } else + + for (i = 0; i < ATA_MAX_DEVICES; i++) + if (classes[i] == ATA_DEV_UNKNOWN) + classes[i] = ATA_DEV_NONE; + } else { ap->ops->phy_reset(ap); - if (ap->flags & ATA_FLAG_PORT_DISABLED) - goto err_out; + for (i = 0; i < ATA_MAX_DEVICES; i++) { + if (!(ap->flags & ATA_FLAG_PORT_DISABLED)) + classes[i] = ap->device[i].class; + else + ap->device[i].class = ATA_DEV_UNKNOWN; + } + ata_port_probe(ap); + } + /* read IDENTIFY page and configure devices */ for (i = 0; i < ATA_MAX_DEVICES; i++) { struct ata_device *dev = &ap->device[i]; + dev->class = classes[i]; + if (!ata_dev_present(dev)) continue; @@ -1257,7 +1262,7 @@ static int ata_bus_probe(struct ata_port *ap) found = 1; } - if ((!found) || (ap->flags & ATA_FLAG_PORT_DISABLED)) + if (!found) goto err_out_disable; ata_set_mode(ap); @@ -1268,7 +1273,6 @@ static int ata_bus_probe(struct ata_port *ap) err_out_disable: ap->ops->port_disable(ap); -err_out: return -1; } |