Re: DP83867 ethernet PHY regression

From: Andrew Lunn
Date: Mon May 22 2023 - 11:16:14 EST


On Mon, May 22, 2023 at 04:58:46PM +0200, Francesco Dolcini wrote:
> Hello all,
> commit da9ef50f545f ("net: phy: dp83867: perform soft reset and retain
> established link") introduces a regression on my TI AM62 based board.
>
> I have a working DTS with Linux TI 5.10 downstream kernel branch, while
> testing the DTS with v6.4-rc in preparation of sending it to the mailing
> list I noticed that ethernet is working only on a cold poweron.

Do you have more details about how it does not work.

Please could you use:

mii-tool -vvv ethX

in both the good and bad state. The register values might give us a
clue.

Thanks
Andrew