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[PATCH] libata-dev: irq-pio minor fix 2

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irq-pio minor fix 2:
- Use qc as data for ata_pio_task().

Signed-off-by: Albert Lee <albertcc@tw.ibm.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
This commit is contained in:
Albert Lee 2006-04-03 18:31:44 +08:00 committed by Jeff Garzik
parent 4332a771f4
commit 31ce6daefe
1 changed files with 6 additions and 9 deletions
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15
drivers/scsi/libata-core.c
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@ -4097,9 +4097,6 @@ static void ata_pio_task(void *_data)
fsm_start:
WARN_ON(ap->hsm_task_state == HSM_ST_IDLE);
qc = ata_qc_from_tag(ap, ap->active_tag);
WARN_ON(qc == NULL);
/*
* This is purely heuristic. This is a fast path.
* Sometimes when we enter, BSY will be cleared in
@ -4112,7 +4109,7 @@ static void ata_pio_task(void *_data)
msleep(2);
status = ata_busy_wait(ap, ATA_BUSY, 10);
if (status & ATA_BUSY) {
ata_port_queue_task(ap, ata_pio_task, ap, ATA_SHORT_PAUSE);
ata_port_queue_task(ap, ata_pio_task, qc, ATA_SHORT_PAUSE);
return;
}
}
@ -4347,7 +4344,7 @@ unsigned int ata_qc_issue_prot(struct ata_queued_cmd *qc)
ap->hsm_task_state = HSM_ST_LAST;
if (qc->tf.flags & ATA_TFLAG_POLLING)
ata_port_queue_task(ap, ata_pio_task, ap, 0);
ata_port_queue_task(ap, ata_pio_task, qc, 0);
break;
@ -4369,7 +4366,7 @@ unsigned int ata_qc_issue_prot(struct ata_queued_cmd *qc)
if (qc->tf.flags & ATA_TFLAG_WRITE) {
/* PIO data out protocol */
ap->hsm_task_state = HSM_ST_FIRST;
ata_port_queue_task(ap, ata_pio_task, ap, 0);
ata_port_queue_task(ap, ata_pio_task, qc, 0);
/* always send first data block using
* the ata_pio_task() codepath.
@ -4379,7 +4376,7 @@ unsigned int ata_qc_issue_prot(struct ata_queued_cmd *qc)
ap->hsm_task_state = HSM_ST;
if (qc->tf.flags & ATA_TFLAG_POLLING)
ata_port_queue_task(ap, ata_pio_task, ap, 0);
ata_port_queue_task(ap, ata_pio_task, qc, 0);
/* if polling, ata_pio_task() handles the rest.
* otherwise, interrupt handler takes over from here.
@ -4400,7 +4397,7 @@ unsigned int ata_qc_issue_prot(struct ata_queued_cmd *qc)
/* send cdb by polling if no cdb interrupt */
if ((!(qc->dev->flags & ATA_DFLAG_CDB_INTR)) ||
(qc->tf.flags & ATA_TFLAG_POLLING))
ata_port_queue_task(ap, ata_pio_task, ap, 0);
ata_port_queue_task(ap, ata_pio_task, qc, 0);
break;
case ATA_PROT_ATAPI_DMA:
@ -4412,7 +4409,7 @@ unsigned int ata_qc_issue_prot(struct ata_queued_cmd *qc)
/* send cdb by polling if no cdb interrupt */
if (!(qc->dev->flags & ATA_DFLAG_CDB_INTR))
ata_port_queue_task(ap, ata_pio_task, ap, 0);
ata_port_queue_task(ap, ata_pio_task, qc, 0);
break;
default: