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    SubjectRe: [PATCH] net: ethernet: mtk_eth_soc: implement Clause 45 MDIO access
    > +	if (phy_register & MII_ADDR_C45) {
    > + u8 dev_num = (phy_register >> 16) & 0x1f;
    > + u16 reg = (u16)(phy_register & 0xffff);

    Hi Daniel

    You can use the helpers

    mdio_phy_id_is_c45()
    mdio_phy_id_prtad()
    mdio_phy_id_devad()

    Andrew

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