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/drivers/ide/ide-eh.c b/drivers/ide/ide-eh.c
index aff1a9b..1166497 100644
--- a/drivers/ide/ide-eh.c
+++ b/drivers/ide/ide-eh.c
@@ -175,8 +175,7 @@
 		printk(KERN_INFO "%s: ATAPI reset complete\n", drive->name);
 	else {
 		if (time_before(jiffies, hwif->poll_timeout)) {
-			ide_set_handler(drive, &atapi_reset_pollfunc, HZ/20,
-					NULL);
+			ide_set_handler(drive, &atapi_reset_pollfunc, HZ/20);
 			/* continue polling */
 			return ide_started;
 		}
@@ -238,7 +237,7 @@
 
 	if (!OK_STAT(tmp, 0, ATA_BUSY)) {
 		if (time_before(jiffies, hwif->poll_timeout)) {
-			ide_set_handler(drive, &reset_pollfunc, HZ/20, NULL);
+			ide_set_handler(drive, &reset_pollfunc, HZ/20);
 			/* continue polling */
 			return ide_started;
 		}
@@ -355,7 +354,7 @@
 		ndelay(400);
 		hwif->poll_timeout = jiffies + WAIT_WORSTCASE;
 		hwif->polling = 1;
-		__ide_set_handler(drive, &atapi_reset_pollfunc, HZ/20, NULL);
+		__ide_set_handler(drive, &atapi_reset_pollfunc, HZ/20);
 		spin_unlock_irqrestore(&hwif->lock, flags);
 		return ide_started;
 	}
@@ -415,7 +414,7 @@
 	udelay(10);
 	hwif->poll_timeout = jiffies + WAIT_WORSTCASE;
 	hwif->polling = 1;
-	__ide_set_handler(drive, &reset_pollfunc, HZ/20, NULL);
+	__ide_set_handler(drive, &reset_pollfunc, HZ/20);
 
 	/*
 	 * Some weird controller like resetting themselves to a strange