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    SubjectRe: [RFC PATCH v3 net-next 10/10] docs: devicetree: add documentation for the VSC7512 SPI device
    On Fri, Aug 13, 2021 at 07:50:03PM -0700, Colin Foster wrote:
    > +* phy_mode = "sgmii": on ports 0, 1, 2, 3

    > + port@0 {
    > + reg = <0>;
    > + ethernet = <&mac>;
    > + phy-mode = "sgmii";
    > +
    > + fixed-link {
    > + speed = <100>;
    > + full-duplex;
    > + };
    > + };

    Your driver is unconditionally setting up the NPI port at gigabit and
    you claim it works, yet the device tree sees a 100Mbps fixed-link? Which
    one is right, what speed does the port operate at?

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