Replace EEE ethtool helpers with linkmode variants. This will
reduce similar code snippets and prepare ethtool EEE interface to linkmode
migration.

Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
---
 drivers/net/ethernet/intel/igc/igc_ethtool.c | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/drivers/net/ethernet/intel/igc/igc_ethtool.c b/drivers/net/ethernet/intel/igc/igc_ethtool.c
index 5a26a7805ef8..b23e904fc347 100644
--- a/drivers/net/ethernet/intel/igc/igc_ethtool.c
+++ b/drivers/net/ethernet/intel/igc/igc_ethtool.c
@@ -1582,12 +1582,14 @@ static int igc_ethtool_get_eee(struct net_device *netdev,
 			       struct ethtool_eee *edata)
 {
 	struct igc_adapter *adapter = netdev_priv(netdev);
+	__ETHTOOL_DECLARE_LINK_MODE_MASK(adv) = {};
 	struct igc_hw *hw = &adapter->hw;
 	u32 eeer;
 
-	if (hw->dev_spec._base.eee_enable)
-		edata->advertised =
-			mmd_eee_adv_to_ethtool_adv_t(adapter->eee_advert);
+	if (hw->dev_spec._base.eee_enable) {
+		mii_eee_100_10000_adv_mod_linkmode_t(adv, adapter->eee_advert);
+		ethtool_convert_link_mode_to_legacy_u32(&edata->advertised, adv);
+	}
 
 	*edata = adapter->eee;
 	edata->supported = SUPPORTED_Autoneg;
@@ -1623,6 +1625,7 @@ static int igc_ethtool_set_eee(struct net_device *netdev,
 			       struct ethtool_eee *edata)
 {
 	struct igc_adapter *adapter = netdev_priv(netdev);
+	__ETHTOOL_DECLARE_LINK_MODE_MASK(adv) = {};
 	struct igc_hw *hw = &adapter->hw;
 	struct ethtool_eee eee_curr;
 	s32 ret_val;
@@ -1655,7 +1658,8 @@ static int igc_ethtool_set_eee(struct net_device *netdev,
 		return -EINVAL;
 	}
 
-	adapter->eee_advert = ethtool_adv_to_mmd_eee_adv_t(edata->advertised);
+	adv[0] = edata->advertised;
+	adapter->eee_advert = linkmode_adv_to_mii_eee_100_10000_adv_t(adv);
 	if (hw->dev_spec._base.eee_enable != edata->eee_enabled) {
 		hw->dev_spec._base.eee_enable = edata->eee_enabled;
 		adapter->flags |= IGC_FLAG_EEE;
-- 
2.30.2