diff --git a/drivers/net/bcm-sf2-eth-gmac.c b/drivers/net/bcm-sf2-eth-gmac.c
index 977feec..f2853cf 100644
--- a/drivers/net/bcm-sf2-eth-gmac.c
+++ b/drivers/net/bcm-sf2-eth-gmac.c
@@ -596,12 +596,10 @@
 	return tmp & (1 << GMAC_MII_BUSY_SHIFT);
 }
 
-int gmac_miiphy_read(const char *devname, unsigned char phyaddr,
-			unsigned char reg, unsigned short *value)
+int gmac_miiphy_read(struct mii_dev *bus, int phyaddr, int devad, int reg)
 {
 	uint32_t tmp = 0;
-
-	(void)devname;
+	u16 value = 0;
 
 	/* Busy wait timeout is 1ms */
 	if (gmac_mii_busywait(1000)) {
@@ -621,18 +619,16 @@
 		return -1;
 	}
 
-	*value = readl(GMAC_MII_DATA_ADDR) & 0xffff;
-	debug("MII read data 0x%x\n", *value);
-	return 0;
+	value = readl(GMAC_MII_DATA_ADDR) & 0xffff;
+	debug("MII read data 0x%x\n", value);
+	return value;
 }
 
-int gmac_miiphy_write(const char *devname, unsigned char phyaddr,
-			 unsigned char reg, unsigned short value)
+int gmac_miiphy_write(struct mii_dev *bus, int phyaddr, int devad, int reg,
+		      u16 value)
 {
 	uint32_t tmp = 0;
 
-	(void)devname;
-
 	/* Busy wait timeout is 1ms */
 	if (gmac_mii_busywait(1000)) {
 		error("%s: Prepare MII write: MII/MDIO busy\n", __func__);