Re: [RFC PATCH net-next v3 4/5] net: dsa: qca8k: flag QCA8337 internal CPU PHYs for SmartSpeed

[Ziyang Huang]

在 2026/9/24 5:58, Yongzhao Chen 写道:
> In a diagnostic boot on one RA74, PHY4 initially advertised 1000BASE-T
> full duplex, but a later read showed that advertisement cleared.
> Clearing SmartSpeed before the initial reset preserved the 1 Gb/s link
> on that board. This observation does not establish the root cause of the
> advertisement loss or prove that a delayed conduit PHY caused it.

Have you correct the DAC settings of the IPQ5018 PHY ?

Most of the IPQ5018 devices which use PHY-to-PHY CPU link require to 
adjust it.

But some don't need. What's more, maybe some need different values.

NOTE: Setting a large value may damage the SoC. Please check the vendor 
dts.