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    Subject[PATCH 5.14 145/334] arm64: dts: renesas: hihope-rzg2-ex: Add EtherAVB internal rx delay
    Date
    From: Biju Das <biju.das.jz@bp.renesas.com>

    [ Upstream commit c96ca5604a889a142d6b60889cc6da48498806e9 ]

    Hihope boards use Realtek PHY. From the very beginning it use only
    tx delays. However the phy driver commit bbc4d71d63549bcd003
    ("net: phy: realtek: fix rtl8211e rx/tx delay config") introduced
    NFS mount failure. Now it needs rx delay inaddition to tx delay
    for NFS mount to work. This patch fixes NFS mount failure issue
    by adding MAC internal rx delay.

    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/20210721180632.15080-1-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/hihope-rzg2-ex.dtsi | 1 +
    1 file changed, 1 insertion(+)

    diff --git a/arch/arm64/boot/dts/renesas/hihope-rzg2-ex.dtsi b/arch/arm64/boot/dts/renesas/hihope-rzg2-ex.dtsi
    index 202c4fc88bd5..dde3a07bc417 100644
    --- a/arch/arm64/boot/dts/renesas/hihope-rzg2-ex.dtsi
    +++ b/arch/arm64/boot/dts/renesas/hihope-rzg2-ex.dtsi
    @@ -20,6 +20,7 @@
    pinctrl-names = "default";
    phy-handle = <&phy0>;
    tx-internal-delay-ps = <2000>;
    + rx-internal-delay-ps = <1800>;
    status = "okay";

    phy0: ethernet-phy@0 {
    --
    2.30.2


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