alx_setup_speed_duplex
ret = alx_setup_speed_duplex(hw, adv_cfg, hw->flowctrl);
err = alx_setup_speed_duplex(hw, hw->adv_cfg, fc);
int alx_setup_speed_duplex(struct alx_hw *hw, u32 ethadv, u8 flowctrl);
err = alx_setup_speed_duplex(hw, hw->adv_cfg, hw->flowctrl);