Subject: Re: [PATCH V6 net-next 06/11] net: Introduce a new MII time stamping interface.

From: Richard Cochran <[email-masked]>
Date: Fri, 20 Dec 2019 10:01:22 -0800

On Fri, Dec 20, 2019 at 04:33:59PM +0100, Andrew Lunn wrote:
> The Marvell PHY datasheets indicate they support PTP. I've not looked
> at how they implement it, and if the current model will work.

IIRC, those parts time stamp on the MII bus input, and not in the PHY
itself, and so they offer no advantage over MAC time stamping.  I
suspect that is why there has been so little interest.

Thanks,
Richard