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libata-sff: add ata_sff_queue_work() & ata_sff_queue_delayed_work()

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This patch adds ata_sff_queue_work() & ata_sff_queue_delayed_work() routine in
libata-sff.c file. This routine can be used by ata drivers to use ata_sff_wq.

Signed-off-by: Viresh Kumar <viresh.kumar@st.com>
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
This commit is contained in:
Viresh Kumar 2011-02-22 14:32:38 +05:30 committed by Jeff Garzik
parent 64a3903d08
commit 64b9759425
2 changed files with 16 additions and 2 deletions
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15
drivers/ata/libata-sff.c
View file

@ -1302,6 +1302,18 @@ fsm_start:
}
EXPORT_SYMBOL_GPL(ata_sff_hsm_move);
void ata_sff_queue_work(struct work_struct *work)
{
queue_work(ata_sff_wq, work);
}
EXPORT_SYMBOL_GPL(ata_sff_queue_work);
void ata_sff_queue_delayed_work(struct delayed_work *dwork, unsigned long delay)
{
queue_delayed_work(ata_sff_wq, dwork, delay);
}
EXPORT_SYMBOL_GPL(ata_sff_queue_delayed_work);
void ata_sff_queue_pio_task(struct ata_link *link, unsigned long delay)
{
struct ata_port *ap = link->ap;
@ -1311,8 +1323,7 @@ void ata_sff_queue_pio_task(struct ata_link *link, unsigned long delay)
ap->sff_pio_task_link = link;
/* may fail if ata_sff_flush_pio_task() in progress */
queue_delayed_work(ata_sff_wq, &ap->sff_pio_task,
msecs_to_jiffies(delay));
ata_sff_queue_delayed_work(&ap->sff_pio_task, msecs_to_jiffies(delay));
}
EXPORT_SYMBOL_GPL(ata_sff_queue_pio_task);

3
include/linux/libata.h
View file

@ -1610,6 +1610,9 @@ extern void ata_sff_irq_on(struct ata_port *ap);
extern void ata_sff_irq_clear(struct ata_port *ap);
extern int ata_sff_hsm_move(struct ata_port *ap, struct ata_queued_cmd *qc,
u8 status, int in_wq);
extern void ata_sff_queue_work(struct work_struct *work);
extern void ata_sff_queue_delayed_work(struct delayed_work *dwork,
unsigned long delay);
extern void ata_sff_queue_pio_task(struct ata_link *link, unsigned long delay);
extern unsigned int ata_sff_qc_issue(struct ata_queued_cmd *qc);
extern bool ata_sff_qc_fill_rtf(struct ata_queued_cmd *qc);