diff --git a/drivers/net/ethernet/ibm/emac/phy.c b/drivers/net/ethernet/ibm/emac/phy.c
index 5b88cc690c22..35865d05fccd 100644
--- a/drivers/net/ethernet/ibm/emac/phy.c
+++ b/drivers/net/ethernet/ibm/emac/phy.c
@@ -276,7 +276,7 @@ static int genmii_read_link(struct mii_phy *phy)
 }
 
 /* Generic implementation for most 10/100/1000 PHYs */
-static struct mii_phy_ops generic_phy_ops = {
+static const struct mii_phy_ops generic_phy_ops = {
 	.setup_aneg	= genmii_setup_aneg,
 	.setup_forced	= genmii_setup_forced,
 	.poll_link	= genmii_poll_link,
@@ -340,7 +340,7 @@ static int cis8201_init(struct mii_phy *phy)
 	return 0;
 }
 
-static struct mii_phy_ops cis8201_phy_ops = {
+static const struct mii_phy_ops cis8201_phy_ops = {
 	.init		= cis8201_init,
 	.setup_aneg	= genmii_setup_aneg,
 	.setup_forced	= genmii_setup_forced,
@@ -420,7 +420,7 @@ static int et1011c_init(struct mii_phy *phy)
 	return 0;
 }
 
-static struct mii_phy_ops et1011c_phy_ops = {
+static const struct mii_phy_ops et1011c_phy_ops = {
 	.init		= et1011c_init,
 	.setup_aneg	= genmii_setup_aneg,
 	.setup_forced	= genmii_setup_forced,
@@ -439,7 +439,7 @@ static struct mii_phy_def et1011c_phy_def = {
 
 
 
-static struct mii_phy_ops m88e1111_phy_ops = {
+static const struct mii_phy_ops m88e1111_phy_ops = {
 	.init		= m88e1111_init,
 	.setup_aneg	= genmii_setup_aneg,
 	.setup_forced	= genmii_setup_forced,
@@ -455,7 +455,7 @@ static struct mii_phy_def m88e1111_phy_def = {
 	.ops		= &m88e1111_phy_ops,
 };
 
-static struct mii_phy_ops m88e1112_phy_ops = {
+static const struct mii_phy_ops m88e1112_phy_ops = {
 	.init		= m88e1112_init,
 	.setup_aneg	= genmii_setup_aneg,
 	.setup_forced	= genmii_setup_forced,
@@ -480,7 +480,7 @@ static int ar8035_init(struct mii_phy *phy)
 	return 0;
 }
 
-static struct mii_phy_ops ar8035_phy_ops = {
+static const struct mii_phy_ops ar8035_phy_ops = {
 	.init		= ar8035_init,
 	.setup_aneg	= genmii_setup_aneg,
 	.setup_forced	= genmii_setup_forced,