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: Viresh Kumar <viresh.kumar@st.com>
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
diff --git a/drivers/ata/libata-sff.c b/drivers/ata/libata-sff.c
index e75a02d..cf7acbc 100644
--- a/drivers/ata/libata-sff.c
+++ b/drivers/ata/libata-sff.c
@@ -1302,6 +1302,18 @@
}
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 @@
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);
diff --git a/include/linux/libata.h b/include/linux/libata.h
index 71333aa..c71f469 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -1610,6 +1610,9 @@
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);