diff --git a/drivers/net/phy/mscc.c b/drivers/net/phy/mscc.c
index 49dc23117732ba03fd65a37d23f68d960f23629f..3c7b02bb5c3868285998ea24b9be1df9135f8b45 100644
--- a/drivers/net/phy/mscc.c
+++ b/drivers/net/phy/mscc.c
@@ -129,7 +129,7 @@ struct vsc8531_private {
 #ifdef CONFIG_OF_MDIO
 struct vsc8531_edge_rate_table {
 	u32 vddmac;
-	u8 slowdown[8];
+	u32 slowdown[8];
 };
 
 static const struct vsc8531_edge_rate_table edge_table[] = {
@@ -386,8 +386,7 @@ static void vsc85xx_wol_get(struct phy_device *phydev,
 #ifdef CONFIG_OF_MDIO
 static int vsc85xx_edge_rate_magic_get(struct phy_device *phydev)
 {
-	u8 sd;
-	u32 vdd;
+	u32 vdd, sd;
 	int rc, i, j;
 	struct device *dev = &phydev->mdio.dev;
 	struct device_node *of_node = dev->of_node;
@@ -400,7 +399,7 @@ static int vsc85xx_edge_rate_magic_get(struct phy_device *phydev)
 	if (rc != 0)
 		vdd = MSCC_VDDMAC_3300;
 
-	rc = of_property_read_u8(of_node, "vsc8531,edge-slowdown", &sd);
+	rc = of_property_read_u32(of_node, "vsc8531,edge-slowdown", &sd);
 	if (rc != 0)
 		sd = 0;