This is a note to let you know that I've just added the patch titled arm64: dts: allwinner: orangepi-zero-plus: fix PHY mode to the 5.10-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: arm64-dts-allwinner-orangepi-zero-plus-fix-phy-mode.patch and it can be found in the queue-5.10 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit 7b3551efc4d5a242ae198c1532f6206271da1808 Author: Robert Marko <robert.marko@xxxxxxxxxx> Date: Wed Nov 17 15:02:22 2021 +0100 arm64: dts: allwinner: orangepi-zero-plus: fix PHY mode [ Upstream commit 08d2061ff9c5319a07bf9ca6bbf11fdec68f704a ] Orange Pi Zero Plus uses a Realtek RTL8211E RGMII Gigabit PHY, but its currently set to plain RGMII mode meaning that it doesn't introduce delays. With this setup, TX packets are completely lost and changing the mode to RGMII-ID so the PHY will add delays internally fixes the issue. Fixes: a7affb13b271 ("arm64: allwinner: H5: Add Xunlong Orange Pi Zero Plus") Acked-by: Chen-Yu Tsai <wens@xxxxxxxx> Tested-by: Ron Goossens <rgoossens@xxxxxxxxx> Tested-by: Samuel Holland <samuel@xxxxxxxxxxxx> Signed-off-by: Robert Marko <robert.marko@xxxxxxxxxx> Signed-off-by: Maxime Ripard <maxime@xxxxxxxxxx> Link: https://lore.kernel.org/r/20211117140222.43692-1-robert.marko@xxxxxxxxxx Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h5-orangepi-zero-plus.dts b/arch/arm64/boot/dts/allwinner/sun50i-h5-orangepi-zero-plus.dts index ef5ca64442203..de448ca51e216 100644 --- a/arch/arm64/boot/dts/allwinner/sun50i-h5-orangepi-zero-plus.dts +++ b/arch/arm64/boot/dts/allwinner/sun50i-h5-orangepi-zero-plus.dts @@ -69,7 +69,7 @@ pinctrl-0 = <&emac_rgmii_pins>; phy-supply = <®_gmac_3v3>; phy-handle = <&ext_rgmii_phy>; - phy-mode = "rgmii"; + phy-mode = "rgmii-id"; status = "okay"; };