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ARM64: dts: meson-axg: fix ethernet stability issue

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Like the odroid-c2 and wetek, the s400 uses the RTL8211F and seems to
suffer from the kind of stability issue.

Doing an iperf3 download test, we can see a significant number of LPI
interrupts on the tx path. After a short while (5 to 15 seconds), the
network connection dies. If using rootfs over NFS, the connection may
also break during the boot sequence.

We still don't have a real explanation for this problem so let's disable
EEE once again.

Fixes: f6f6ac914b ("ARM64: dts: meson-axg: enable ethernet for A113D S400 board")
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
This commit is contained in:
Jerome Brunet 2018-06-25 14:56:53 +02:00 committed by Kevin Hilman
parent 48e21ded04
commit 6d28d57751
1 changed files with 14 additions and 1 deletions
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15
arch/arm64/boot/dts/amlogic/meson-axg-s400.dts
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@ -66,9 +66,22 @@ wifi32k: wifi32k {
&ethmac {
status = "okay";
phy-mode = "rgmii";
pinctrl-0 = <&eth_rgmii_y_pins>;
pinctrl-names = "default";
phy-handle = <&eth_phy0>;
phy-mode = "rgmii";
mdio {
compatible = "snps,dwmac-mdio";
#address-cells = <1>;
#size-cells = <0>;
eth_phy0: ethernet-phy@0 {
/* Realtek RTL8211F (0x001cc916) */
reg = <0>;
eee-broken-1000t;
};
};
};
&uart_A {