MSCC_PHY_ANA_ETH1_NTX_PROT
vsc85xx_ts_write_csr(phydev, blk, MSCC_PHY_ANA_ETH1_NTX_PROT, 0);
val = vsc85xx_ts_read_csr(phydev, EGRESS, MSCC_PHY_ANA_ETH1_NTX_PROT);
vsc85xx_ts_write_csr(phydev, EGRESS, MSCC_PHY_ANA_ETH1_NTX_PROT, val);
val = vsc85xx_ts_read_csr(phydev, blk, MSCC_PHY_ANA_ETH1_NTX_PROT);
vsc85xx_ts_write_csr(phydev, blk, MSCC_PHY_ANA_ETH1_NTX_PROT, val);