[OpenWrt-Devel] ethernet broken on ath79/tl-wr2543nd since upgrade to kernel 5.4

[Luiz Angelo Daros de Luca]

Hello,

Since upgrade to kernel 5.4, I got no network with tp-link tl-wr2543nd. It
failed to initialize ethernet driver:

With 5.4:

[    0.747634] rtl8367 rtl8367: cannot find mdio node phandle
[    0.753186] rtl8367 rtl8367: using GPIO pins 1 (SDA) and 6 (SCK)
[    0.759900] rtl8367 rtl8367: RTL8367R ver. 0 chip found
[    2.584910] random: fast init done
[    2.799942] libphy: rtl8367: probed
[    2.839257] libphy: Fixed MDIO Bus: probed
[    2.847887] ag71xx: probe of 19000000.eth failed with error -2

With 4.19:

[    0.744922] rtl8367 rtl8367: cannot find mdio node phandle
[    0.750555] rtl8367 rtl8367: using GPIO pins 1 (SDA) and 6 (SCK)
[    0.757212] rtl8367 rtl8367: RTL8367R ver. 0 chip found
[    2.586809] random: fast init done
[    2.801820] libphy: rtl8367: probed
[    2.840548] libphy: Fixed MDIO Bus: probed
[    3.217608] ag71xx 19000000.eth: connected to PHY at fixed-0:00
[uid=00000000, driv]
[    3.227646] eth0: Atheros AG71xx at 0xb9000000, irq 4, mode: rgmii

I'm using serial interface and I'm testing using initram.

Wireless and swconfig seems to be OK. However, I get not eth0.
Does anyone have a clue where it is broken?

Regards,

---
     Luiz Angelo Daros de Luca
            luizluca at gmail.com
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