Re: [PATCH net-next v1 2/4] net: phy: micrel: lan8841: set default PTP latency values

From: Andrew Lunn
Date: Wed Apr 17 2024 - 16:23:33 EST


> > What affect does this have on systems which have already applied
> > adjustments in user space to correct for this? Will this cause
> > regressions for such systems?
>
> Yes.
>
> > I know Richard has rejected changes like this in the past.
>
> In this case I would need to extend the ethtool interface. The driver
> should provide recommended values and the user space can optionally
> read them and optionally write them to the HW.

I suggest you go read older messages from Richard. It was a discussion
with Microchip about one of their PHYs.

Andrew