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Commit 64b97594 authored by Viresh Kumar's avatar Viresh Kumar Committed by Jeff Garzik
Browse files

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



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: default avatarViresh Kumar <viresh.kumar@st.com>
Acked-by: default avatarTejun Heo <tj@kernel.org>
Signed-off-by: default avatarJeff Garzik <jgarzik@pobox.com>
parent 64a3903d

drivers/ata/libata-sff.c

+13 −2
Original line number Diff line number Diff line
@@ -1302,6 +1302,18 @@ int ata_sff_hsm_move(struct ata_port *ap, struct ata_queued_cmd *qc, 
}

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);

include/linux/libata.h

+3 −0
Original line number Diff line number Diff line
@@ -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);