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@xxxxxxxxx> --- drivers/ata/libata-eh.c | 6 +++++- 1 files changed, 5 insertions(+), 1 deletions(-) diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c index a5a8f84..e7e2ba2 100644 --- a/drivers/ata/libata-eh.c +++ b/drivers/ata/libata-eh.c @@ -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); -- 1.5.0.3 - To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html