U3P_U3_PHYD_IMPCAL0
mtk_phy_update_field(u3_banks->phyd + U3P_U3_PHYD_IMPCAL0, P3D_RG_TX_IMPEL,
mtk_phy_set_bits(u3_banks->phyd + U3P_U3_PHYD_IMPCAL0, P3D_RG_FORCE_TX_IMPEL);
tmp = readl(u3_banks->phyd + U3P_U3_PHYD_IMPCAL0);
mtk_phy_update_field(phyd + U3P_U3_PHYD_IMPCAL0, P3D_RG_TX_IMPEL, val);
mtk_phy_set_bits(phyd + U3P_U3_PHYD_IMPCAL0, P3D_RG_FORCE_TX_IMPEL);