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[PATCH] libata: allow ->probe_reset to return ATA_DEV_UNKNOWN 

This patch makes ata_bus_probe() normalize classes[] returned by
->probe_reset such that ->probe_reset can return ATA_DEV_UNKNOWN.
This eases implementation of ->probe_reset's which don't directly use
ata_drive_probe_reset().

Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
This commit is contained in:
Tejun Heo 2006-02-12 15:01:49 +09:00 committed by Jeff Garzik
parent bef4a456b8
commit 06ab78222b
1 changed files with 4 additions and 1 deletions
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5
drivers/scsi/libata-core.c
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@ -1142,8 +1142,11 @@ static int ata_bus_probe(struct ata_port *ap)
rc = ap->ops->probe_reset(ap, classes);
if (rc == 0) {
for (i = 0; i < ATA_MAX_DEVICES; i++)
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);