ide: set hwif->expiry prior to calling [__]ide_set_handler()

* Set hwif->expiry prior to calling [__]ide_set_handler()
  and drop 'expiry' argument.

* Set hwif->expiry to NULL in ide_{timer_expiry,intr}()
  and remove 'hwif->expiry = NULL' assignments.

There should be no functional changes caused by this patch.

Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
diff --git a/include/linux/ide.h b/include/linux/ide.h
index e339d66..476f598 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -1135,10 +1135,8 @@
 int ide_end_rq(ide_drive_t *, struct request *, int, unsigned int);
 void ide_kill_rq(ide_drive_t *, struct request *);
 
-void __ide_set_handler(ide_drive_t *, ide_handler_t *, unsigned int,
-		       ide_expiry_t *);
-void ide_set_handler(ide_drive_t *, ide_handler_t *, unsigned int,
-		     ide_expiry_t *);
+void __ide_set_handler(ide_drive_t *, ide_handler_t *, unsigned int);
+void ide_set_handler(ide_drive_t *, ide_handler_t *, unsigned int);
 
 void ide_execute_command(ide_drive_t *, u8, ide_handler_t *, unsigned int,
 			 ide_expiry_t *);