net: mii: remove mii_lpa_mod_linkmode_lpa_sgmii()

Vladimir points out that since we removed mii_lpa_to_linkmode_lpa_sgmii(),
mii_lpa_mod_linkmode_lpa_sgmii() is also no longer called.
Suggested-by: Vladimir Oltean <olteanv@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

include/linux/mii.h

@@ -354,39 +354,6 @@ static inline u32 mii_adv_to_ethtool_adv_x(u32 adv)
 	return result;
 }
 
-/**
- * mii_lpa_mod_linkmode_adv_sgmii
- * @lp_advertising: pointer to destination link mode.
- * @lpa: value of the MII_LPA register
- *
- * A small helper function that translates MII_LPA bits to
- * linkmode advertisement settings for SGMII.
- * Leaves other bits unchanged.
- */
-static inline void
-mii_lpa_mod_linkmode_lpa_sgmii(unsigned long *lp_advertising, u32 lpa)
-{
-	u32 speed_duplex = lpa & LPA_SGMII_DPX_SPD_MASK;
-
-	linkmode_mod_bit(ETHTOOL_LINK_MODE_1000baseT_Half_BIT, lp_advertising,
-			 speed_duplex == LPA_SGMII_1000HALF);
-
-	linkmode_mod_bit(ETHTOOL_LINK_MODE_1000baseT_Full_BIT, lp_advertising,
-			 speed_duplex == LPA_SGMII_1000FULL);
-
-	linkmode_mod_bit(ETHTOOL_LINK_MODE_100baseT_Half_BIT, lp_advertising,
-			 speed_duplex == LPA_SGMII_100HALF);
-
-	linkmode_mod_bit(ETHTOOL_LINK_MODE_100baseT_Full_BIT, lp_advertising,
-			 speed_duplex == LPA_SGMII_100FULL);
-
-	linkmode_mod_bit(ETHTOOL_LINK_MODE_10baseT_Half_BIT, lp_advertising,
-			 speed_duplex == LPA_SGMII_10HALF);
-
-	linkmode_mod_bit(ETHTOOL_LINK_MODE_10baseT_Full_BIT, lp_advertising,
-			 speed_duplex == LPA_SGMII_10FULL);
-}
-
 /**
  * mii_adv_mod_linkmode_adv_t
  * @advertising:pointer to destination link mode.