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libata: make ata_port_queue_task() an internal function

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ata_port_queue_task() served a single user:  ata_pio_task()

Rename to ata_pio_queue_task() and un-export it, as nobody outside of
libata-core.c uses it.

Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
This commit is contained in:
Jeff Garzik 2007-12-19 04:25:10 -05:00
parent d7b174500e
commit 442eacc362
2 changed files with 11 additions and 15 deletions
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24
drivers/ata/libata-core.c
View File

@ -1480,7 +1480,7 @@ unsigned long ata_id_xfermask(const u16 *id)
}
/**
* ata_port_queue_task - Queue port_task
* ata_pio_queue_task - Queue port_task
* @ap: The ata_port to queue port_task for
* @fn: workqueue function to be scheduled
* @data: data for @fn to use
@ -1492,16 +1492,15 @@ unsigned long ata_id_xfermask(const u16 *id)
* one task is active at any given time.
*
* libata core layer takes care of synchronization between
* port_task and EH. ata_port_queue_task() may be ignored for EH
* port_task and EH. ata_pio_queue_task() may be ignored for EH
* synchronization.
*
* LOCKING:
* Inherited from caller.
*/
void ata_port_queue_task(struct ata_port *ap, work_func_t fn, void *data,
unsigned long delay)
static void ata_pio_queue_task(struct ata_port *ap, void *data,
unsigned long delay)
{
PREPARE_DELAYED_WORK(&ap->port_task, fn);
ap->port_task_data = data;
/* may fail if ata_port_flush_task() in progress */
@ -5618,7 +5617,7 @@ static void ata_pio_task(struct work_struct *work)
msleep(2);
status = ata_busy_wait(ap, ATA_BUSY, 10);
if (status & ATA_BUSY) {
ata_port_queue_task(ap, ata_pio_task, qc, ATA_SHORT_PAUSE);
ata_pio_queue_task(ap, qc, ATA_SHORT_PAUSE);
return;
}
}
@ -6041,7 +6040,7 @@ 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, qc, 0);
ata_pio_queue_task(ap, qc, 0);
break;
@ -6063,7 +6062,7 @@ 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, qc, 0);
ata_pio_queue_task(ap, qc, 0);
/* always send first data block using
* the ata_pio_task() codepath.
@ -6073,7 +6072,7 @@ 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, qc, 0);
ata_pio_queue_task(ap, qc, 0);
/* if polling, ata_pio_task() handles the rest.
* otherwise, interrupt handler takes over from here.
@ -6094,7 +6093,7 @@ 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, qc, 0);
ata_pio_queue_task(ap, qc, 0);
break;
case ATAPI_PROT_DMA:
@ -6106,7 +6105,7 @@ 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, qc, 0);
ata_pio_queue_task(ap, qc, 0);
break;
default:
@ -6722,7 +6721,7 @@ struct ata_port *ata_port_alloc(struct ata_host *host)
ap->msg_enable = ATA_MSG_DRV | ATA_MSG_ERR | ATA_MSG_WARN;
#endif
INIT_DELAYED_WORK(&ap->port_task, NULL);
INIT_DELAYED_WORK(&ap->port_task, ata_pio_task);
INIT_DELAYED_WORK(&ap->hotplug_task, ata_scsi_hotplug);
INIT_WORK(&ap->scsi_rescan_task, ata_scsi_dev_rescan);
INIT_LIST_HEAD(&ap->eh_done_q);
@ -7599,7 +7598,6 @@ EXPORT_SYMBOL_GPL(ata_wait_register);
EXPORT_SYMBOL_GPL(ata_busy_sleep);
EXPORT_SYMBOL_GPL(ata_wait_after_reset);
EXPORT_SYMBOL_GPL(ata_wait_ready);
EXPORT_SYMBOL_GPL(ata_port_queue_task);
EXPORT_SYMBOL_GPL(ata_scsi_ioctl);
EXPORT_SYMBOL_GPL(ata_scsi_queuecmd);
EXPORT_SYMBOL_GPL(ata_scsi_slave_config);

2
include/linux/libata.h
View File

@ -847,8 +847,6 @@ extern int ata_busy_sleep(struct ata_port *ap,
unsigned long timeout_pat, unsigned long timeout);
extern void ata_wait_after_reset(struct ata_port *ap, unsigned long deadline);
extern int ata_wait_ready(struct ata_port *ap, unsigned long deadline);
extern void ata_port_queue_task(struct ata_port *ap, work_func_t fn,
void *data, unsigned long delay);
extern u32 ata_wait_register(void __iomem *reg, u32 mask, u32 val,
unsigned long interval_msec,
unsigned long timeout_msec);