diff --git a/drivers/net/phy/phy-c45.c b/drivers/net/phy/phy-c45.c
index e17672bd180eb0174f1bc7d37d9af4cfa6a72267..1cf5e8ae46deef6ce06db9ae0bf5be5f88822207 100644
--- a/drivers/net/phy/phy-c45.c
+++ b/drivers/net/phy/phy-c45.c
@@ -248,15 +248,7 @@ int genphy_c45_read_lpa(struct phy_device *phydev)
 	if (val < 0)
 		return val;
 
-	if (val & MDIO_AN_10GBT_STAT_LP2_5G)
-		linkmode_set_bit(ETHTOOL_LINK_MODE_2500baseT_Full_BIT,
-				 phydev->lp_advertising);
-	if (val & MDIO_AN_10GBT_STAT_LP5G)
-		linkmode_set_bit(ETHTOOL_LINK_MODE_5000baseT_Full_BIT,
-				 phydev->lp_advertising);
-	if (val & MDIO_AN_10GBT_STAT_LP10G)
-		linkmode_set_bit(ETHTOOL_LINK_MODE_10000baseT_Full_BIT,
-				 phydev->lp_advertising);
+	mii_10gbt_stat_mod_linkmode_lpa_t(phydev->lp_advertising, val);
 
 	return 0;
 }
diff --git a/include/linux/mdio.h b/include/linux/mdio.h
index dd46828b4c476b9d15a7f8c211992734e13f05ec..3e99ae3ed87f67260aaca4654312ed1ca9f8809d 100644
--- a/include/linux/mdio.h
+++ b/include/linux/mdio.h
@@ -286,6 +286,25 @@ static inline u32 linkmode_adv_to_mii_10gbt_adv_t(unsigned long *advertising)
 	return result;
 }
 
+/**
+ * mii_10gbt_stat_mod_linkmode_lpa_t
+ * @advertising: target the linkmode advertisement settings
+ * @adv: value of the C45 10GBASE-T AN STATUS register
+ *
+ * A small helper function that translates C45 10GBASE-T AN STATUS register bits
+ * to linkmode advertisement settings. Other bits in advertising aren't changed.
+ */
+static inline void mii_10gbt_stat_mod_linkmode_lpa_t(unsigned long *advertising,
+						     u32 lpa)
+{
+	linkmode_mod_bit(ETHTOOL_LINK_MODE_2500baseT_Full_BIT,
+			 advertising, lpa & MDIO_AN_10GBT_STAT_LP2_5G);
+	linkmode_mod_bit(ETHTOOL_LINK_MODE_5000baseT_Full_BIT,
+			 advertising, lpa & MDIO_AN_10GBT_STAT_LP5G);
+	linkmode_mod_bit(ETHTOOL_LINK_MODE_10000baseT_Full_BIT,
+			 advertising, lpa & MDIO_AN_10GBT_STAT_LP10G);
+}
+
 int __mdiobus_read(struct mii_bus *bus, int addr, u32 regnum);
 int __mdiobus_write(struct mii_bus *bus, int addr, u32 regnum, u16 val);