U3P_U3_PHYA_REG0
mtk_phy_update_field(u3_banks->phya + U3P_U3_PHYA_REG0, P3A_RG_IEXT_INTR,
tmp = readl(u3_banks->phya + U3P_U3_PHYA_REG0);
mtk_phy_update_field(u3_banks->phya + U3P_U3_PHYA_REG0,
mtk_phy_update_field(phya + U3P_U3_PHYA_REG0, P3A_RG_CLKDRV_OFF, 0x1);