[PATCH] emac: fix mdio delay

Fixes MDIO delay. Please apply.
Signed-off-by: Ralph Siemsen <ralphs@netwinder.org>
Signed-off-by: Matt Porter <mporter@kernel.crashing.org>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>

drivers/net/ibm_emac/ibm_emac_core.c

@@ -475,8 +475,9 @@ void emac_phy_write(struct net_device *dev, int mii_id, int reg, int data)
 
 	out_be32(&emacp->em0stacr, stacr);
 
-	while (((stacr = in_be32(&emacp->em0stacr) & EMAC_STACR_OC) == 0)
-					&& (count++ < 5000))
+	count = 0;
+	while ((((stacr = in_be32(&emacp->em0stacr)) & EMAC_STACR_OC) == 0)
+					&& (count++ < MDIO_DELAY))
 		udelay(1);
 	MDIO_DEBUG((" (count was %d)\n", count));