[PATCH] libata: move ata_irq_on() into libata-sff.c

ata_irq_on() isn't used outside of libata core layer.  The function is
TF/SFF interface specific but currently used by core path with some
hack too.  Move it from include/linux/libata.h to
drivers/ata/libata-sff.c.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

drivers/ata/libata-sff.c

@@ -38,6 +38,35 @@
 
 #include "libata.h"
 
+/**
+ *	ata_irq_on - Enable interrupts on a port.
+ *	@ap: Port on which interrupts are enabled.
+ *
+ *	Enable interrupts on a legacy IDE device using MMIO or PIO,
+ *	wait for idle, clear any pending interrupts.
+ *
+ *	LOCKING:
+ *	Inherited from caller.
+ */
+u8 ata_irq_on(struct ata_port *ap)
+{
+	struct ata_ioports *ioaddr = &ap->ioaddr;
+	u8 tmp;
+
+	ap->ctl &= ~ATA_NIEN;
+	ap->last_ctl = ap->ctl;
+
+	if (ap->flags & ATA_FLAG_MMIO)
+		writeb(ap->ctl, (void __iomem *) ioaddr->ctl_addr);
+	else
+		outb(ap->ctl, ioaddr->ctl_addr);
+	tmp = ata_wait_idle(ap);
+
+	ap->ops->irq_clear(ap);
+
+	return tmp;
+}
+
 /**
  *	ata_tf_load_pio - send taskfile registers to host controller
  *	@ap: Port to which output is sent

drivers/ata/libata.h

@@ -120,4 +120,7 @@ extern void ata_scsi_error(struct Scsi_Host *host);
 extern void ata_port_wait_eh(struct ata_port *ap);
 extern void ata_qc_schedule_eh(struct ata_queued_cmd *qc);
 
+/* libata-sff.c */
+extern u8 ata_irq_on(struct ata_port *ap);
+
 #endif /* __LIBATA_H__ */

include/linux/libata.h

@@ -1149,37 +1149,6 @@ static inline void ata_qc_reinit(struct ata_queued_cmd *qc)
 	qc->result_tf.feature = 0;
 }
 
-/**
- *	ata_irq_on - Enable interrupts on a port.
- *	@ap: Port on which interrupts are enabled.
- *
- *	Enable interrupts on a legacy IDE device using MMIO or PIO,
- *	wait for idle, clear any pending interrupts.
- *
- *	LOCKING:
- *	Inherited from caller.
- */
-
-static inline u8 ata_irq_on(struct ata_port *ap)
-{
-	struct ata_ioports *ioaddr = &ap->ioaddr;
-	u8 tmp;
-
-	ap->ctl &= ~ATA_NIEN;
-	ap->last_ctl = ap->ctl;
-
-	if (ap->flags & ATA_FLAG_MMIO)
-		writeb(ap->ctl, (void __iomem *) ioaddr->ctl_addr);
-	else
-		outb(ap->ctl, ioaddr->ctl_addr);
-	tmp = ata_wait_idle(ap);
-
-	ap->ops->irq_clear(ap);
-
-	return tmp;
-}
-
-
 /**
  *	ata_irq_ack - Acknowledge a device interrupt.
  *	@ap: Port on which interrupts are enabled.