PHY_MARV_AUNE_ADV
gm_phy_write(hw, port, PHY_MARV_AUNE_ADV,
gm_phy_write(hw, port, PHY_MARV_AUNE_ADV, adv);
ctrl = gm_phy_read(hw, port, PHY_MARV_AUNE_ADV);
gm_phy_write(hw, port, PHY_MARV_AUNE_ADV, ctrl);
advert = gm_phy_read(hw, port, PHY_MARV_AUNE_ADV);
gm_phy_write(hw, port, PHY_MARV_AUNE_ADV, adv);