--- linux-2.6.11-bk7/drivers/net/ibm_emac/ibm_emac_core.c	2005-03-11 16:25:19.000000000 -0700
+++ linux-2.6.11-bk7-440ep/drivers/net/ibm_emac/ibm_emac_core.c	2005-03-11 16:26:19.000000000 -0700
@@ -315,7 +315,7 @@ static int emac_init_zmii(struct ocp_dev
 		zmii->base->fer &= ~ZMII_FER_MASK(input);
 		zmii->base->fer |= zmii_enable[input][mode];
 	} else {
-		switch ((zmii->base->fer & ZMII_FER_MASK(input)) << (4 * input)) {
+		switch (((zmii->base->fer & ZMII_FER_MASK(input)) << (4 * input)) & ~ZMII_MDI0) {
 		case ZMII_MII0:
 			mode = MII;
 			break;