Re: [PATCH net-next] Revert "net: ethernet: ti: am65-cpsw: fixup PHY mode for fixed RGMII TX delay"

From: Jakub Kicinski

Date: Thu Sep 18 2025 - 10:56:53 EST


On Mon, 04 Aug 2025 15:45:08 +0200 Matthias Schiffer wrote:
> > > Disabling the TX delay may or may not result in an operational system.
> > > This holds true for all SoCs with various CPSW instances that are
> > > programmed by the am65-cpsw-nuss.c driver along with the phy-gmii-sel.c
> > > driver.
> >
> > In that case u-boot shall be fixed, soon. And to workaround older
> > u-boot versions, linux shall always enable that delay, like Andrew
> > proposed.
>
> I can submit my patch for U-Boot some time this week, probably tomorrow. Do you
> also want me to take care of the Linux side for enabling the MAC delay?

What's the conclusion with this regression?
If we need a fix in Linux it'd be great to have it before v6.17 is cut.