diff --git a/arch/powerpc/cpu/mpc8xx/fec.c b/arch/powerpc/cpu/mpc8xx/fec.c
index 81bda06..0940906 100644
--- a/arch/powerpc/cpu/mpc8xx/fec.c
+++ b/arch/powerpc/cpu/mpc8xx/fec.c
@@ -6,10 +6,12 @@
  */
 
 #include <common.h>
-#include <malloc.h>
+#include <command.h>
 #include <commproc.h>
+#include <malloc.h>
 #include <net.h>
-#include <command.h>
+
+#include <phy.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
diff --git a/board/gdsys/405ex/io64.c b/board/gdsys/405ex/io64.c
index 6a83788..848cdde 100644
--- a/board/gdsys/405ex/io64.c
+++ b/board/gdsys/405ex/io64.c
@@ -264,8 +264,7 @@
 		putc(slash[k % 8]);
 	}
 
-	int retval;
-	struct mii_dev *mdiodev = mdio_alloc();
+	mdiodev = mdio_alloc();
 	if (!mdiodev)
 		return -ENOMEM;
 	strncpy(mdiodev->name, CONFIG_SYS_GBIT_MII1_BUSNAME, MDIO_NAME_LEN);
diff --git a/drivers/net/bfin_mac.c b/drivers/net/bfin_mac.c
index 6d40370..26a626b 100644
--- a/drivers/net/bfin_mac.c
+++ b/drivers/net/bfin_mac.c
@@ -13,6 +13,7 @@
 #include <command.h>
 #include <malloc.h>
 #include <miiphy.h>
+#include <linux/mdio.h>
 #include <linux/mii.h>
 
 #include <asm/blackfin.h>
@@ -126,6 +127,8 @@
 	retval = mdio_register(mdiodev);
 	if (retval < 0)
 		return retval;
+
+	dev->priv = mdiodev;
 #endif
 
 	return 0;
@@ -234,8 +237,9 @@
 static int bfin_miiphy_init(struct eth_device *dev, int *opmode)
 {
 	const unsigned short pins[] = CONFIG_BFIN_MAC_PINS;
-	u16 phydat;
+	int phydat;
 	size_t count;
+	struct mii_dev *mdiodev = dev->priv;
 
 	/* Enable PHY output */
 	bfin_write_VR_CTL(bfin_read_VR_CTL() | CLKBUFOE);
@@ -248,12 +252,15 @@
 	bfin_write_EMAC_SYSCTL(RXDWA | RXCKS | SET_MDCDIV(MDC_FREQ_TO_DIV(CONFIG_PHY_CLOCK_FREQ)));
 
 	/* turn on auto-negotiation and wait for link to come up */
-	bfin_miiphy_write(dev->name, CONFIG_PHY_ADDR, MII_BMCR, BMCR_ANENABLE);
+	bfin_miiphy_write(mdiodev, CONFIG_PHY_ADDR, MDIO_DEVAD_NONE, MII_BMCR,
+			  BMCR_ANENABLE);
 	count = 0;
 	while (1) {
 		++count;
-		if (bfin_miiphy_read(dev->name, CONFIG_PHY_ADDR, MII_BMSR, &phydat))
-			return -1;
+		phydat = bfin_miiphy_read(mdiodev, CONFIG_PHY_ADDR,
+					  MDIO_DEVAD_NONE, MII_BMSR);
+		if (phydat < 0)
+			return phydat;
 		if (phydat & BMSR_LSTATUS)
 			break;
 		if (count > 30000) {
@@ -264,8 +271,10 @@
 	}
 
 	/* see what kind of link we have */
-	if (bfin_miiphy_read(dev->name, CONFIG_PHY_ADDR, MII_LPA, &phydat))
-		return -1;
+	phydat = bfin_miiphy_read(mdiodev, CONFIG_PHY_ADDR, MDIO_DEVAD_NONE,
+				  MII_LPA);
+	if (phydat < 0)
+		return phydat;
 	if (phydat & LPA_DUPLEX)
 		*opmode = FDMODE;
 	else
diff --git a/drivers/net/davinci_emac.c b/drivers/net/davinci_emac.c
index 7eda93f..ca457b8 100644
--- a/drivers/net/davinci_emac.c
+++ b/drivers/net/davinci_emac.c
@@ -243,11 +243,10 @@
 
 	if (tmp & MDIO_USERACCESS0_ACK) {
 		*data = tmp & 0xffff;
-		return(1);
+		return 0;
 	}
 
-	*data = -1;
-	return(0);
+	return -EIO;
 }
 
 /* Write to a PHY register via MDIO inteface. Blocks until operation is complete. */
@@ -268,7 +267,7 @@
 	while (readl(&adap_mdio->USERACCESS0) & MDIO_USERACCESS0_GO)
 		;
 
-	return(1);
+	return 0;
 }
 
 /* PHY functions for a generic PHY */
@@ -394,7 +393,7 @@
 				int reg)
 {
 	unsigned short value = 0;
-	int retval = (davinci_eth_phy_read(addr, reg, &value) ? 0 : 1);
+	int retval = davinci_eth_phy_read(addr, reg, &value);
 	if (retval < 0)
 		return retval;
 	return value;
@@ -403,7 +402,7 @@
 static int davinci_mii_phy_write(struct mii_dev *bus, int addr, int devad,
 				 int reg, u16 value)
 {
-	return(davinci_eth_phy_write(addr, reg, value) ? 0 : 1);
+	return davinci_eth_phy_write(addr, reg, value);
 }
 #endif
 
diff --git a/drivers/net/ep93xx_eth.c b/drivers/net/ep93xx_eth.c
index 0021911..a94191b 100644
--- a/drivers/net/ep93xx_eth.c
+++ b/drivers/net/ep93xx_eth.c
@@ -566,7 +566,6 @@
 	BUG_ON(bus->name == NULL);
 	BUG_ON(addr > MII_ADDRESS_MAX);
 	BUG_ON(reg > MII_REGISTER_MAX);
-	BUG_ON(&value == NULL);
 
 	/*
 	 * Save the current SelfCTL register value.  Set MAC to suppress
diff --git a/drivers/net/lpc32xx_eth.c b/drivers/net/lpc32xx_eth.c
index 36af795..2dd69f3 100644
--- a/drivers/net/lpc32xx_eth.c
+++ b/drivers/net/lpc32xx_eth.c
@@ -336,25 +336,6 @@
 }
 #endif
 
-#if defined(CONFIG_PHYLIB)
-int lpc32xx_eth_phy_read(struct mii_dev *bus, int phy_addr, int dev_addr,
-	int reg_addr)
-{
-	u16 data;
-	int ret;
-	ret = mii_reg_read(bus->name, phy_addr, reg_addr, &data);
-	if (ret)
-		return ret;
-	return data;
-}
-
-int lpc32xx_eth_phy_write(struct mii_dev *bus, int phy_addr, int dev_addr,
-	int reg_addr, u16 data)
-{
-	return mii_reg_write(bus->name, phy_addr, reg_addr, data);
-}
-#endif
-
 /*
  * Provide default Ethernet buffers base address if target did not.
  * Locate buffers in SRAM at 0x00001000 to avoid cache issues and
@@ -583,8 +564,8 @@
 		printf("mdio_alloc failed\n");
 		return -ENOMEM;
 	}
-	bus->read = lpc32xx_eth_phy_read;
-	bus->write = lpc32xx_eth_phy_write;
+	bus->read = mii_reg_read;
+	bus->write = mii_reg_write;
 	strcpy(bus->name, dev->name);
 
 	ret = mdio_register(bus);
diff --git a/drivers/net/smc911x.c b/drivers/net/smc911x.c
index c788f3b..feae8c0 100644
--- a/drivers/net/smc911x.c
+++ b/drivers/net/smc911x.c
@@ -230,7 +230,7 @@
 			return retval;
 		return val;
 	}
-	return -1;
+	return -ENODEV;
 }
 /* wrapper for smc911x_eth_phy_write */
 static int smc911x_miiphy_write(struct mii_dev *bus, int phy, int devad,
@@ -239,7 +239,7 @@
 	struct eth_device *dev = eth_get_dev_by_name(bus->name);
 	if (dev)
 		return smc911x_eth_phy_write(dev, phy, reg, val);
-	return -1;
+	return -ENODEV;
 }
 #endif
 
diff --git a/drivers/qe/uec.c b/drivers/qe/uec.c
index d838520..468c92e 100644
--- a/drivers/qe/uec.c
+++ b/drivers/qe/uec.c
@@ -628,7 +628,7 @@
 	unsigned short value = 0;
 	int devindex = 0;
 
-	if (bus->name == NULL || &value == NULL) {
+	if (bus->name == NULL) {
 		debug("%s: NULL pointer given\n", __FUNCTION__);
 	} else {
 		devindex = uec_miiphy_find_dev_by_name(bus->name);