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libata: schedule probing after SError access failure during autopsy 

If SError isn't accessible, EH can't tell whether hotplug has happened
or not.  Report SError read failure with AC_ERR_OTHER and schedule
probing with hardreset.  This will be mainly useful for PMPs.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
This commit is contained in:
Tejun Heo 2007-07-16 14:29:41 +09:00 committed by Jeff Garzik
parent fccb6ea5c2
commit 4e57c517b3
1 changed files with 5 additions and 1 deletions
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6
drivers/ata/libata-eh.c
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@ -1478,8 +1478,12 @@ static void ata_eh_autopsy(struct ata_port *ap)
if (rc == 0) {
ehc->i.serror |= serror;
ata_eh_analyze_serror(ap);
} else if (rc != -EOPNOTSUPP)
} else if (rc != -EOPNOTSUPP) {
/* SError read failed, force hardreset and probing */
ata_ehi_schedule_probe(&ehc->i);
ehc->i.action |= ATA_EH_HARDRESET;
ehc->i.err_mask |= AC_ERR_OTHER;
}
/* analyze NCQ failure */
ata_eh_analyze_ncq_error(ap);