[libata] irq-pio: Fix merge mistake
authorJeff Garzik <jeff@garzik.org>
Sun, 2 Apr 2006 14:34:24 +0000 (10:34 -0400)
committerJeff Garzik <jeff@garzik.org>
Sun, 2 Apr 2006 14:34:24 +0000 (10:34 -0400)
drivers/scsi/libata-core.c
drivers/scsi/libata-eh.c

index 9de48dd4234a05d0ed55781c2f97e300b6818859..fc3e57f84268f82066a3cacbf49b09781ed21852 100644 (file)
@@ -4124,101 +4124,6 @@ fsm_start:
                goto fsm_start;
 }
 
-/**
- *     ata_qc_timeout - Handle timeout of queued command
- *     @qc: Command that timed out
- *
- *     Some part of the kernel (currently, only the SCSI layer)
- *     has noticed that the active command on port @ap has not
- *     completed after a specified length of time.  Handle this
- *     condition by disabling DMA (if necessary) and completing
- *     transactions, with error if necessary.
- *
- *     This also handles the case of the "lost interrupt", where
- *     for some reason (possibly hardware bug, possibly driver bug)
- *     an interrupt was not delivered to the driver, even though the
- *     transaction completed successfully.
- *
- *     LOCKING:
- *     Inherited from SCSI layer (none, can sleep)
- */
-
-static void ata_qc_timeout(struct ata_queued_cmd *qc)
-{
-       struct ata_port *ap = qc->ap;
-       struct ata_host_set *host_set = ap->host_set;
-       u8 host_stat = 0, drv_stat;
-       unsigned long flags;
-
-       DPRINTK("ENTER\n");
-
-       ap->hsm_task_state = HSM_ST_IDLE;
-
-       spin_lock_irqsave(&host_set->lock, flags);
-
-       switch (qc->tf.protocol) {
-
-       case ATA_PROT_DMA:
-       case ATA_PROT_ATAPI_DMA:
-               host_stat = ap->ops->bmdma_status(ap);
-
-               /* before we do anything else, clear DMA-Start bit */
-               ap->ops->bmdma_stop(qc);
-
-               /* fall through */
-
-       default:
-               ata_altstatus(ap);
-               drv_stat = ata_chk_status(ap);
-
-               /* ack bmdma irq events */
-               ap->ops->irq_clear(ap);
-
-               printk(KERN_ERR "ata%u: command 0x%x timeout, stat 0x%x host_stat 0x%x\n",
-                      ap->id, qc->tf.command, drv_stat, host_stat);
-
-               ap->hsm_task_state = HSM_ST_IDLE;
-
-               /* complete taskfile transaction */
-               qc->err_mask |= AC_ERR_TIMEOUT;
-               break;
-       }
-
-       spin_unlock_irqrestore(&host_set->lock, flags);
-
-       ata_eh_qc_complete(qc);
-
-       DPRINTK("EXIT\n");
-}
-
-/**
- *     ata_eng_timeout - Handle timeout of queued command
- *     @ap: Port on which timed-out command is active
- *
- *     Some part of the kernel (currently, only the SCSI layer)
- *     has noticed that the active command on port @ap has not
- *     completed after a specified length of time.  Handle this
- *     condition by disabling DMA (if necessary) and completing
- *     transactions, with error if necessary.
- *
- *     This also handles the case of the "lost interrupt", where
- *     for some reason (possibly hardware bug, possibly driver bug)
- *     an interrupt was not delivered to the driver, even though the
- *     transaction completed successfully.
- *
- *     LOCKING:
- *     Inherited from SCSI layer (none, can sleep)
- */
-
-void ata_eng_timeout(struct ata_port *ap)
-{
-       DPRINTK("ENTER\n");
-
-       ata_qc_timeout(ata_qc_from_tag(ap, ap->active_tag));
-
-       DPRINTK("EXIT\n");
-}
-
 /**
  *     ata_qc_new - Request an available ATA command, for queueing
  *     @ap: Port associated with device @dev
index e73f5612aea8f355d60eaced846307875c7e74f4..011e083b19e1063787aa5d7d2d16b9e675198699 100644 (file)
@@ -137,6 +137,7 @@ int ata_scsi_error(struct Scsi_Host *host)
  *     LOCKING:
  *     Inherited from SCSI layer (none, can sleep)
  */
+
 static void ata_qc_timeout(struct ata_queued_cmd *qc)
 {
        struct ata_port *ap = qc->ap;
@@ -171,8 +172,10 @@ static void ata_qc_timeout(struct ata_queued_cmd *qc)
                printk(KERN_ERR "ata%u: command 0x%x timeout, stat 0x%x host_stat 0x%x\n",
                       ap->id, qc->tf.command, drv_stat, host_stat);
 
+               ap->hsm_task_state = HSM_ST_IDLE;
+
                /* complete taskfile transaction */
-               qc->err_mask |= ac_err_mask(drv_stat);
+               qc->err_mask |= AC_ERR_TIMEOUT;
                break;
        }
 
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