Date:   Fri, 17 Mar 2023 20:38:49 -0700
From:   Richard Cochran <richardcochran@gmail.com>
To:     Vladimir Oltean <vladimir.oltean@nxp.com>
Cc:     =?iso-8859-1?Q?K=F6ry?= Maincent <kory.maincent@bootlin.com>,
        Oleksij Rempel <o.rempel@pengutronix.de>,
        Horatiu Vultur <horatiu.vultur@microchip.com>,
        Michael Walle <michael@walle.cc>, Andrew Lunn <andrew@lunn.ch>,
        Florian Fainelli <f.fainelli@gmail.com>,
        Heiner Kallweit <hkallweit1@gmail.com>, netdev@vger.kernel.org,
        devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
        linux-doc@vger.kernel.org, linux-omap@vger.kernel.org,
        Maxime Chevallier <maxime.chevallier@bootlin.com>,
        thomas.petazzoni@bootlin.com, Russell King <linux@armlinux.org.uk>,
        "David S. Miller" <davem@davemloft.net>,
        Eric Dumazet <edumazet@google.com>,
        Jakub Kicinski <kuba@kernel.org>,
        Paolo Abeni <pabeni@redhat.com>,
        Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Jonathan Corbet <corbet@lwn.net>,
        Jay Vosburgh <j.vosburgh@gmail.com>,
        Veaceslav Falico <vfalico@gmail.com>,
        Andy Gospodarek <andy@greyhouse.net>,
        Claudiu Manoil <claudiu.manoil@nxp.com>,
        Alexandre Belloni <alexandre.belloni@bootlin.com>,
        UNGLinuxDriver@microchip.com, Minghao Chi <chi.minghao@zte.com.cn>,
        Jie Wang <wangjie125@huawei.com>,
        Oleksij Rempel <linux@rempel-privat.de>,
        Sean Anderson <sean.anderson@seco.com>,
        "Gustavo A. R. Silva" <gustavoars@kernel.org>,
        Wolfram Sang <wsa+renesas@sang-engineering.com>,
        Alexander Lobakin <alexandr.lobakin@intel.com>,
        Marco Bonelli <marco@mebeim.net>
Subject: Re: [PATCH v3 3/5] net: Let the active time stamping layer be
 selectable.
Message-ID: <ZBUyST3kDP1ZE1lF@hoboy.vegasvil.org>
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 <20230313084059.GA11063@pengutronix.de>
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On Fri, Mar 17, 2023 at 05:21:50PM +0200, Vladimir Oltean wrote:
> On Thu, Mar 16, 2023 at 04:09:20PM +0100, K?ry Maincent wrote:
> > Was there any useful work that could be continued on managing timestamp through
> > NDOs. As it seem we will made some change to the timestamp API, maybe it is a
> > good time to also take care of this.
> 
> Not to my knowledge. Yes, I agree that it would be a good time to add an
> NDO for hwtimestamping (while keeping the ioctl fallback), then
> transitioning as many devices as we can, and removing the fallback when
> the transition is complete.

Um, user space ABI cannot be removed.

Thanks,
Richard