[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>

1 files changed, 0 insertions, 31 deletions

diff --git a/include/linux/libata.h b/include/linux/libata.h
index 6c003d852a88..d3bf7b936c3f 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -1150,37 +1150,6 @@ static inline void ata_qc_reinit(struct ata_queued_cmd *qc)
 }
 
 /**
- *      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.
  *