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authorJeff Garzik <jeff@garzik.org>2006-04-02 10:34:24 -0400
committerJeff Garzik <jeff@garzik.org>2006-04-02 10:34:24 -0400
commitc13b56a1130bbfacfb588de100e5a248383805a6 (patch)
tree7f10fbcb822fe50225a3ae6f4644775b72c6290c /drivers/scsi/libata-core.c
parent029f5468b5b5f93a09bf90326fdcb9124079658d (diff)
downloadlinux-c13b56a1130bbfacfb588de100e5a248383805a6.tar.gz
[libata] irq-pio: Fix merge mistake
Diffstat (limited to 'drivers/scsi/libata-core.c')
-rw-r--r--drivers/scsi/libata-core.c95
1 files changed, 0 insertions, 95 deletions
diff --git a/drivers/scsi/libata-core.c b/drivers/scsi/libata-core.c
index 9de48dd4234a0..fc3e57f84268f 100644
--- a/drivers/scsi/libata-core.c
+++ b/drivers/scsi/libata-core.c
@@ -4125,101 +4125,6 @@ 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
* @dev: Device from whom we request an available command structure