netdev - Re: [Patch net-next v4 00/13] net: dsa: microchip: add PTP support for KSZ9563/KSZ8563 and LAN937x

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Message-ID: <20221212154723.4a7cebcf@kernel.org>
Date:   Mon, 12 Dec 2022 15:47:23 -0800
From:   Jakub Kicinski <kuba@...nel.org>
To:     Arun Ramadoss <arun.ramadoss@...rochip.com>
Cc:     <linux-kernel@...r.kernel.org>, <netdev@...r.kernel.org>,
        <woojung.huh@...rochip.com>, <UNGLinuxDriver@...rochip.com>,
        <andrew@...n.ch>, <vivien.didelot@...il.com>,
        <f.fainelli@...il.com>, <olteanv@...il.com>, <davem@...emloft.net>,
        <edumazet@...gle.com>, <pabeni@...hat.com>,
        <linux@...linux.org.uk>, <Tristram.Ha@...rochip.com>,
        <richardcochran@...il.com>, <ceggers@...i.de>
Subject: Re: [Patch net-next v4 00/13] net: dsa: microchip: add PTP support
 for KSZ9563/KSZ8563 and LAN937x

On Mon, 12 Dec 2022 15:56:26 +0530 Arun Ramadoss wrote:
> KSZ9563/KSZ8563 and  LAN937x switch are capable for supporting IEEE 1588 PTP
> protocol.  LAN937x has the same PTP register set similar to KSZ9563, hence the
> implementation has been made common for the KSZ switches.  KSZ9563 does not
> support two step timestamping but LAN937x supports both.  Tested the 1step &
> 2step p2p timestamping in LAN937x and p2p1step timestamping in KSZ9563.
> 
> This patch series is based on the Christian Eggers PTP support for KSZ9563.
> Applied the Christian patch and updated as per the latest refactoring of KSZ
> series code. The features added on top are PTP packet Interrupt
> implementation based on nested handler, LAN937x two step timestamping and
> programmable per_out pins.

The merge window has now begun, this set is rather large and Linus said
that he will be particularly strict about applying patches late:

https://lore.kernel.org/all/CAHk-=wj_HcgFZNyZHTLJ7qC2613zphKDtLh6ndciwopZRfH0aQ@mail.gmail.com/

So let's defer this for after 6.2-rc1 is cut. Feed free to switch to
RFC postings if you want to keep revising the set and make review
progress during the merge window.