diff options
Diffstat (limited to 'drivers/ata/libata-sff.c')
| -rw-r--r-- | drivers/ata/libata-sff.c | 24 |
1 files changed, 21 insertions, 3 deletions
diff --git a/drivers/ata/libata-sff.c b/drivers/ata/libata-sff.c index 2a4c516894f0..9033d164c4ec 100644 --- a/drivers/ata/libata-sff.c +++ b/drivers/ata/libata-sff.c @@ -1227,10 +1227,19 @@ fsm_start: /* ATA PIO protocol */ if (unlikely((status & ATA_DRQ) == 0)) { /* handle BSY=0, DRQ=0 as error */ - if (likely(status & (ATA_ERR | ATA_DF))) + if (likely(status & (ATA_ERR | ATA_DF))) { /* device stops HSM for abort/error */ qc->err_mask |= AC_ERR_DEV; - else { + + /* If diagnostic failed and this is + * IDENTIFY, it's likely a phantom + * device. Mark hint. + */ + if (qc->dev->horkage & + ATA_HORKAGE_DIAGNOSTIC) + qc->err_mask |= + AC_ERR_NODEV_HINT; + } else { /* HSM violation. Let EH handle this. * Phantom devices also trigger this * condition. Mark hint. @@ -2153,8 +2162,17 @@ void ata_sff_error_handler(struct ata_port *ap) */ void ata_sff_post_internal_cmd(struct ata_queued_cmd *qc) { - if (qc->ap->ioaddr.bmdma_addr) + struct ata_port *ap = qc->ap; + unsigned long flags; + + spin_lock_irqsave(ap->lock, flags); + + ap->hsm_task_state = HSM_ST_IDLE; + + if (ap->ioaddr.bmdma_addr) ata_bmdma_stop(qc); + + spin_unlock_irqrestore(ap->lock, flags); } /** |