diff --git a/drivers/net/au1000_eth.c b/drivers/net/au1000_eth.c
index 7db3c8a..f0b6879 100644
--- a/drivers/net/au1000_eth.c
+++ b/drivers/net/au1000_eth.c
@@ -360,7 +360,8 @@
 	BUG_ON(!phydev);
 	BUG_ON(phydev->attached_dev);
 
-	phydev = phy_connect(dev, phydev->dev.bus_id, &au1000_adjust_link, 0);
+	phydev = phy_connect(dev, phydev->dev.bus_id, &au1000_adjust_link, 0,
+			PHY_INTERFACE_MODE_MII);
 
 	if (IS_ERR(phydev)) {
 		printk(KERN_ERR "%s: Could not attach to PHY\n", dev->name);
diff --git a/drivers/net/fs_enet/fs_enet-main.c b/drivers/net/fs_enet/fs_enet-main.c
index cb39587..889d3a1 100644
--- a/drivers/net/fs_enet/fs_enet-main.c
+++ b/drivers/net/fs_enet/fs_enet-main.c
@@ -779,7 +779,8 @@
 	fep->oldspeed = 0;
 	fep->oldduplex = -1;
 	if(fep->fpi->bus_id)
-		phydev = phy_connect(dev, fep->fpi->bus_id, &fs_adjust_link, 0);
+		phydev = phy_connect(dev, fep->fpi->bus_id, &fs_adjust_link, 0,
+				PHY_INTERFACE_MODE_MII);
 	else {
 		printk("No phy bus ID specified in BSP code\n");
 		return -EINVAL;
diff --git a/drivers/net/gianfar.c b/drivers/net/gianfar.c
index 6bf18c8..baa3514 100644
--- a/drivers/net/gianfar.c
+++ b/drivers/net/gianfar.c
@@ -9,7 +9,7 @@
  * Author: Andy Fleming
  * Maintainer: Kumar Gala
  *
- * Copyright (c) 2002-2004 Freescale Semiconductor, Inc.
+ * Copyright (c) 2002-2006 Freescale Semiconductor, Inc.
  *
  * This program is free software; you can redistribute  it and/or modify it
  * under  the terms of  the GNU General  Public License as published by the
@@ -398,6 +398,38 @@
 }
 
 
+/* Reads the controller's registers to determine what interface
+ * connects it to the PHY.
+ */
+static phy_interface_t gfar_get_interface(struct net_device *dev)
+{
+	struct gfar_private *priv = netdev_priv(dev);
+	u32 ecntrl = gfar_read(&priv->regs->ecntrl);
+
+	if (ecntrl & ECNTRL_SGMII_MODE)
+		return PHY_INTERFACE_MODE_SGMII;
+
+	if (ecntrl & ECNTRL_TBI_MODE) {
+		if (ecntrl & ECNTRL_REDUCED_MODE)
+			return PHY_INTERFACE_MODE_RTBI;
+		else
+			return PHY_INTERFACE_MODE_TBI;
+	}
+
+	if (ecntrl & ECNTRL_REDUCED_MODE) {
+		if (ecntrl & ECNTRL_REDUCED_MII_MODE)
+			return PHY_INTERFACE_MODE_RMII;
+		else
+			return PHY_INTERFACE_MODE_RGMII;
+	}
+
+	if (priv->einfo->device_flags & FSL_GIANFAR_DEV_HAS_GIGABIT)
+		return PHY_INTERFACE_MODE_GMII;
+
+	return PHY_INTERFACE_MODE_MII;
+}
+
+
 /* Initializes driver's PHY state, and attaches to the PHY.
  * Returns 0 on success.
  */
@@ -409,6 +441,7 @@
 		SUPPORTED_1000baseT_Full : 0;
 	struct phy_device *phydev;
 	char phy_id[BUS_ID_SIZE];
+	phy_interface_t interface;
 
 	priv->oldlink = 0;
 	priv->oldspeed = 0;
@@ -416,7 +449,9 @@
 
 	snprintf(phy_id, BUS_ID_SIZE, PHY_ID_FMT, priv->einfo->bus_id, priv->einfo->phy_id);
 
-	phydev = phy_connect(dev, phy_id, &adjust_link, 0);
+	interface = gfar_get_interface(dev);
+
+	phydev = phy_connect(dev, phy_id, &adjust_link, 0, interface);
 
 	if (IS_ERR(phydev)) {
 		printk(KERN_ERR "%s: Could not attach to PHY\n", dev->name);
diff --git a/drivers/net/gianfar.h b/drivers/net/gianfar.h
index 9e81a50..39e9e32 100644
--- a/drivers/net/gianfar.h
+++ b/drivers/net/gianfar.h
@@ -160,7 +160,10 @@
 
 #define ECNTRL_INIT_SETTINGS	0x00001000
 #define ECNTRL_TBI_MODE         0x00000020
+#define ECNTRL_REDUCED_MODE	0x00000010
 #define ECNTRL_R100		0x00000008
+#define ECNTRL_REDUCED_MII_MODE	0x00000004
+#define ECNTRL_SGMII_MODE	0x00000002
 
 #define MRBLR_INIT_SETTINGS	DEFAULT_RX_BUFFER_SIZE
 
diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c
index 2a08b2b..b01fc70 100644
--- a/drivers/net/phy/phy_device.c
+++ b/drivers/net/phy/phy_device.c
@@ -59,6 +59,7 @@
 	dev->duplex = -1;
 	dev->pause = dev->asym_pause = 0;
 	dev->link = 1;
+	dev->interface = PHY_INTERFACE_MODE_GMII;
 
 	dev->autoneg = AUTONEG_ENABLE;
 
@@ -137,11 +138,12 @@
  *   the desired functionality.
  */
 struct phy_device * phy_connect(struct net_device *dev, const char *phy_id,
-		void (*handler)(struct net_device *), u32 flags)
+		void (*handler)(struct net_device *), u32 flags,
+		u32 interface)
 {
 	struct phy_device *phydev;
 
-	phydev = phy_attach(dev, phy_id, flags);
+	phydev = phy_attach(dev, phy_id, flags, interface);
 
 	if (IS_ERR(phydev))
 		return phydev;
@@ -186,7 +188,7 @@
 }
 
 struct phy_device *phy_attach(struct net_device *dev,
-		const char *phy_id, u32 flags)
+		const char *phy_id, u32 flags, u32 interface)
 {
 	struct bus_type *bus = &mdio_bus_type;
 	struct phy_device *phydev;
@@ -231,6 +233,20 @@
 
 	phydev->dev_flags = flags;
 
+	phydev->interface = interface;
+
+	/* Do initial configuration here, now that
+	 * we have certain key parameters
+	 * (dev_flags and interface) */
+	if (phydev->drv->config_init) {
+		int err;
+
+		err = phydev->drv->config_init(phydev);
+
+		if (err < 0)
+			return ERR_PTR(err);
+	}
+
 	return phydev;
 }
 EXPORT_SYMBOL(phy_attach);
@@ -612,13 +628,8 @@
 
 	spin_unlock(&phydev->lock);
 
-	if (err < 0)
-		return err;
-
-	if (phydev->drv->config_init)
-		err = phydev->drv->config_init(phydev);
-
 	return err;
+
 }
 
 static int phy_remove(struct device *dev)