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    Subject[PATCH 5.10 092/563] arm64: dts: renesas: cat875: Add rx/tx delays
    Date
    From: Biju Das <biju.das.jz@bp.renesas.com>

    [ Upstream commit e1a9faddffe7e555304dc2e3284c84fbee0679ee ]

    The CAT875 sub board from Silicon Linux uses a Realtek PHY.

    The phy driver commit bbc4d71d63549bcd003 ("net: phy: realtek: fix
    rtl8211e rx/tx delay config") introduced NFS mount failures. Now it
    needs both rx/tx delays for the NFS mount to work.

    This patch fixes the NFS mount failure issue by adding "rgmii-id" mode
    to the avb device node.

    Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
    Fixes: bbc4d71d63549bcd ("net: phy: realtek: fix rtl8211e rx/tx delay config")
    Link: https://lore.kernel.org/r/20211115142830.12651-1-biju.das.jz@bp.renesas.com
    Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
    Signed-off-by: Sasha Levin <sashal@kernel.org>
    ---
    arch/arm64/boot/dts/renesas/cat875.dtsi | 1 +
    1 file changed, 1 insertion(+)

    diff --git a/arch/arm64/boot/dts/renesas/cat875.dtsi b/arch/arm64/boot/dts/renesas/cat875.dtsi
    index 801ea54b027c4..20f8adc635e72 100644
    --- a/arch/arm64/boot/dts/renesas/cat875.dtsi
    +++ b/arch/arm64/boot/dts/renesas/cat875.dtsi
    @@ -18,6 +18,7 @@
    pinctrl-names = "default";
    renesas,no-ether-link;
    phy-handle = <&phy0>;
    + phy-mode = "rgmii-id";
    status = "okay";

    phy0: ethernet-phy@0 {
    --
    2.34.1


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