[PATCH v3] arm64: dts: freescale: imx93-phycore-som: Delay the phy reset by a gpio

Andrew Lunn andrew at lunn.ch
Wed May 28 12:29:17 PDT 2025


> Yes, that's what I measured. For analysis, I added some debug outputs
> to
> the phy reset and the 1st phy register access. And as I can see, the
> phy register access happens when userland sets up the network:

Please repeat the measurements with NFS root.

You will find that the kernel brings the interface up right have
register_netdev() is called, and starts transmitting. It can happen
before register_netdev() even returns.

	Andrew



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