libata: set_mode, Fix the FIXME

When set_mode() changed ->set_mode didn't adapt. This makes the needed
changes and removes the relevant FIXME case.

Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
diff --git a/drivers/ata/pata_it821x.c b/drivers/ata/pata_it821x.c
index 0b56ff3..e8afd48 100644
--- a/drivers/ata/pata_it821x.c
+++ b/drivers/ata/pata_it821x.c
@@ -476,6 +476,7 @@
 /**
  *	it821x_smart_set_mode	-	mode setting
  *	@ap: interface to set up
+ *	@unused: device that failed (error only)
  *
  *	Use a non standard set_mode function. We don't want to be tuned.
  *	The BIOS configured everything. Our job is not to fiddle. We
@@ -483,7 +484,7 @@
  *	and respect them.
  */
 
-static void it821x_smart_set_mode(struct ata_port *ap)
+static int it821x_smart_set_mode(struct ata_port *ap, struct ata_device **unused)
 {
 	int dma_enabled = 0;
 	int i;
@@ -512,6 +513,7 @@
 			}
 		}
 	}
+	return 0;
 }
 
 /**