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Date: Tue, 6 Dec 2022 12:48:27 +0200 From: Vladimir Oltean <olteanv@...il.com> To: Christian Eggers <ceggers@...i.de> Cc: linux-kernel@...r.kernel.org, netdev@...r.kernel.org, Arun Ramadoss <arun.ramadoss@...rochip.com>, woojung.huh@...rochip.com, UNGLinuxDriver@...rochip.com, andrew@...n.ch, vivien.didelot@...il.com, f.fainelli@...il.com, davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com, linux@...linux.org.uk, Tristram.Ha@...rochip.com, richardcochran@...il.com Subject: Re: [Patch net-next v2 01/13] net: dsa: microchip: ptp: add the posix clock support On Tue, Dec 06, 2022 at 11:37:26AM +0100, Christian Eggers wrote: > > v1 -> v2 > > - Deleted setting 8021_1as bit and added P2P bit in ksz_ptp_clock_register() > > did I miss the discussion about this change? I thought that the first goal is > to use KSZ switches as a boundary clock which implies using the 802.1AS feature. > > Using the KSZ in P2P transparent clock mode IMHO requires writing the peer delays > into switch registers (which needs to be implemented in a companion > application/script for ptp4p). > > As far as I remember, there is also no support using ptp4l with 1-step transparent > clock switches. If it was in response to something I said, I just asked to add a comment as to what the 802.1AS bit does, not to delete it...
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