diff --git a/arch/mips/mach-au1x00/au1x00_eth.c b/arch/mips/mach-au1x00/au1x00_eth.c
index 9216860..67f4953 100644
--- a/arch/mips/mach-au1x00/au1x00_eth.c
+++ b/arch/mips/mach-au1x00/au1x00_eth.c
@@ -73,9 +73,9 @@
 #define MAX_WAIT 1000
 
 #if defined(CONFIG_CMD_MII)
-int  au1x00_miiphy_read(const char *devname, unsigned char addr,
-		unsigned char reg, unsigned short * value)
+int au1x00_miiphy_read(struct mii_dev *bus, int addr, int devad, int reg)
 {
+	unsigned short value = 0;
 	volatile u32 *mii_control_reg = (volatile u32*)(ETH0_BASE+MAC_MII_CNTRL);
 	volatile u32 *mii_data_reg = (volatile u32*)(ETH0_BASE+MAC_MII_DATA);
 	u32 mii_control;
@@ -102,12 +102,12 @@
 			return -1;
 		}
 	}
-	*value = *mii_data_reg;
-	return 0;
+	value = *mii_data_reg;
+	return value;
 }
 
-int  au1x00_miiphy_write(const char *devname, unsigned char addr,
-		unsigned char reg, unsigned short value)
+int au1x00_miiphy_write(struct mii_dev *bus, int addr, int devad, int reg,
+			u16 value)
 {
 	volatile u32 *mii_control_reg = (volatile u32*)(ETH0_BASE+MAC_MII_CNTRL);
 	volatile u32 *mii_data_reg = (volatile u32*)(ETH0_BASE+MAC_MII_DATA);
@@ -290,8 +290,17 @@
 	eth_register(dev);
 
 #if defined(CONFIG_CMD_MII)
-	miiphy_register(dev->name,
-		au1x00_miiphy_read, au1x00_miiphy_write);
+	int retval;
+	struct mii_dev *mdiodev = mdio_alloc();
+	if (!mdiodev)
+		return -ENOMEM;
+	strncpy(mdiodev->name, dev->name, MDIO_NAME_LEN);
+	mdiodev->read = au1x00_miiphy_read;
+	mdiodev->write = au1x00_miiphy_write;
+
+	retval = mdio_register(mdiodev);
+	if (retval < 0)
+		return retval;
 #endif
 
 	return 1;
diff --git a/arch/powerpc/cpu/mpc8260/ether_fcc.c b/arch/powerpc/cpu/mpc8260/ether_fcc.c
index a11ad1e..072eb76 100644
--- a/arch/powerpc/cpu/mpc8260/ether_fcc.c
+++ b/arch/powerpc/cpu/mpc8260/ether_fcc.c
@@ -379,8 +379,17 @@
 
 #if (defined(CONFIG_MII) || defined(CONFIG_CMD_MII)) \
 		&& defined(CONFIG_BITBANGMII)
-		miiphy_register(dev->name,
-				bb_miiphy_read,	bb_miiphy_write);
+		int retval;
+		struct mii_dev *mdiodev = mdio_alloc();
+		if (!mdiodev)
+			return -ENOMEM;
+		strncpy(mdiodev->name, dev->name, MDIO_NAME_LEN);
+		mdiodev->read = bb_miiphy_read;
+		mdiodev->write = bb_miiphy_write;
+
+		retval = mdio_register(mdiodev);
+		if (retval < 0)
+			return retval;
 #endif
 	}
 
diff --git a/arch/powerpc/cpu/mpc85xx/ether_fcc.c b/arch/powerpc/cpu/mpc85xx/ether_fcc.c
index 51f1bee..7708f05 100644
--- a/arch/powerpc/cpu/mpc85xx/ether_fcc.c
+++ b/arch/powerpc/cpu/mpc85xx/ether_fcc.c
@@ -441,8 +441,17 @@
 
 #if (defined(CONFIG_MII) || defined(CONFIG_CMD_MII)) \
 		&& defined(CONFIG_BITBANGMII)
-		miiphy_register(dev->name,
-				bb_miiphy_read,	bb_miiphy_write);
+		int retval;
+		struct mii_dev *mdiodev = mdio_alloc();
+		if (!mdiodev)
+			return -ENOMEM;
+		strncpy(mdiodev->name, dev->name, MDIO_NAME_LEN);
+		mdiodev->read = bb_miiphy_read;
+		mdiodev->write = bb_miiphy_write;
+
+		retval = mdio_register(mdiodev);
+		if (retval < 0)
+			return retval;
 #endif
 	}
 
diff --git a/arch/powerpc/cpu/mpc8xx/fec.c b/arch/powerpc/cpu/mpc8xx/fec.c
index f1ae358..81bda06 100644
--- a/arch/powerpc/cpu/mpc8xx/fec.c
+++ b/arch/powerpc/cpu/mpc8xx/fec.c
@@ -47,10 +47,9 @@
 static int mii_discover_phy(struct eth_device *dev);
 #endif
 
-int fec8xx_miiphy_read(const char *devname, unsigned char addr,
-		unsigned char  reg, unsigned short *value);
-int fec8xx_miiphy_write(const char *devname, unsigned char  addr,
-		unsigned char  reg, unsigned short value);
+int fec8xx_miiphy_read(struct mii_dev *bus, int addr, int devad, int reg);
+int fec8xx_miiphy_write(struct mii_dev *bus, int addr, int devad, int reg,
+			u16 value);
 
 static struct ether_fcc_info_s
 {
@@ -170,8 +169,17 @@
 		eth_register(dev);
 
 #if defined(CONFIG_MII) || defined(CONFIG_CMD_MII)
-		miiphy_register(dev->name,
-			fec8xx_miiphy_read, fec8xx_miiphy_write);
+		int retval;
+		struct mii_dev *mdiodev = mdio_alloc();
+		if (!mdiodev)
+			return -ENOMEM;
+		strncpy(mdiodev->name, dev->name, MDIO_NAME_LEN);
+		mdiodev->read = fec8xx_miiphy_read;
+		mdiodev->write = fec8xx_miiphy_write;
+
+		retval = mdio_register(mdiodev);
+		if (retval < 0)
+			return retval;
 #endif
 	}
 	return 1;
@@ -894,9 +902,9 @@
  *	  Otherwise they hang in mii_send() !!! Sorry!
  *****************************************************************************/
 
-int fec8xx_miiphy_read(const char *devname, unsigned char addr,
-		unsigned char  reg, unsigned short *value)
+int fec8xx_miiphy_read(struct mii_dev *bus, int addr, int devad, int reg)
 {
+	unsigned short value = 0;
 	short rdreg;    /* register working value */
 
 #ifdef MII_DEBUG
@@ -904,15 +912,15 @@
 #endif
 	rdreg = mii_send(mk_mii_read(addr, reg));
 
-	*value = rdreg;
+	value = rdreg;
 #ifdef MII_DEBUG
-	printf ("0x%04x\n", *value);
+	printf ("0x%04x\n", value);
 #endif
-	return 0;
+	return value;
 }
 
-int fec8xx_miiphy_write(const char *devname, unsigned char  addr,
-		unsigned char  reg, unsigned short value)
+int fec8xx_miiphy_write(struct mii_dev *bus, int addr, int devad, int reg,
+			u16 value)
 {
 #ifdef MII_DEBUG
 	printf ("miiphy_write(0x%x) @ 0x%x = ", reg, addr);