vsc85xx_sd6g_dft_cfg2_wr
ret = vsc85xx_sd6g_dft_cfg2_wr(phydev, 0, 2, 0, 0, 0, 1);
ret = vsc85xx_sd6g_dft_cfg2_wr(phydev, 0, 0, 0, 0, 0, 0);