Re: [PATCH net-next v3 00/12] net: dsa: microchip: PTP support for KSZ956x

From: Christian Eggers
Date: Thu Nov 19 2020 - 00:30:35 EST


Hi Vladimir,

On Thursday, 19 November 2020, 00:40:18 CET, Vladimir Oltean wrote:
> On Wed, Nov 18, 2020 at 09:30:01PM +0100, Christian Eggers wrote:
> > This series adds support for PTP to the KSZ956x and KSZ9477 devices.
> >
> > There is only little documentation for PTP available on the data sheet
> > [1] (more or less only the register reference). Questions to the
> > Microchip support were seldom answered comprehensively or in reasonable
> > time. So this is more or less the result of reverse engineering.
>
> [...]
> One thing that should definitely not be part of this series though is
> patch 11/12. Christian, given the conversation we had on your previous
> patch:
> https://lore.kernel.org/netdev/20201113025311.jpkplhmacjz6lkc5@skbuf/
sorry, I didn't read that carefully enough. Some of the other requested changes
were quite challenging for me. Additionally, finding the UDP checksum bug
needed some time for identifying because I didn't recognize that when it got
introduced.

> as well as the documentation patch that was submitted in the meantime:
> https://lore.kernel.org/netdev/20201117213826.18235-1-a.fatoum@xxxxxxxxxxxxxx/
I am not subscribed to the list.

> obviously you chose to completely disregard that. May we know why? How
> are you even making use of the PTP_CLK_REQ_PPS feature?
Of course I will drop that patch from the next series.

regards
Christian