diff --git a/drivers/net/phy/marvell.c b/drivers/net/phy/marvell.c
index 1a72bebc588ac..4c5246fed69be 100644
--- a/drivers/net/phy/marvell.c
+++ b/drivers/net/phy/marvell.c
@@ -1706,7 +1706,7 @@ static int m88e1510_get_temp(struct phy_device *phydev, long *temp)
 	return ret;
 }
 
-int m88e1510_get_temp_critical(struct phy_device *phydev, long *temp)
+static int m88e1510_get_temp_critical(struct phy_device *phydev, long *temp)
 {
 	int oldpage;
 	int ret;
@@ -1737,7 +1737,7 @@ int m88e1510_get_temp_critical(struct phy_device *phydev, long *temp)
 	return ret;
 }
 
-int m88e1510_set_temp_critical(struct phy_device *phydev, long temp)
+static int m88e1510_set_temp_critical(struct phy_device *phydev, long temp)
 {
 	int oldpage;
 	int ret;
@@ -1767,7 +1767,7 @@ int m88e1510_set_temp_critical(struct phy_device *phydev, long temp)
 	return ret;
 }
 
-int m88e1510_get_temp_alarm(struct phy_device *phydev, long *alarm)
+static int m88e1510_get_temp_alarm(struct phy_device *phydev, long *alarm)
 {
 	int oldpage;
 	int ret;