net: sfp: restore sfp_quirk_oem_2_5g dropped by 2.5g sfp rollball change

Author: frank-w

drivers/net/phy/sfp.c

@@ -466,6 +466,22 @@ static void sfp_quirk_2500basex(const struct sfp_eeprom_id *id,
 	__set_bit(PHY_INTERFACE_MODE_2500BASEX, caps->interfaces);
 }
 
+static void sfp_quirk_disable_autoneg(const struct sfp_eeprom_id *id,
+				      struct sfp_module_caps *caps)
+{
+	linkmode_clear_bit(ETHTOOL_LINK_MODE_Autoneg_BIT, caps->link_modes);
+}
+
+static void sfp_quirk_oem_2_5g(const struct sfp_eeprom_id *id,
+			       struct sfp_module_caps *caps)
+{
+	/* Copper 2.5G SFP */
+	linkmode_set_bit(ETHTOOL_LINK_MODE_2500baseT_Full_BIT,
+			 caps->link_modes);
+	__set_bit(PHY_INTERFACE_MODE_2500BASEX, caps->interfaces);
+	sfp_quirk_disable_autoneg(id, caps);
+}
+
 static void sfp_quirk_ubnt_uf_instant(const struct sfp_eeprom_id *id,
 				      struct sfp_module_caps *caps)
 {