From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A773F39B4BB; Mon, 1 Jun 2026 16:54:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=90.155.50.34 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780332847; cv=none; b=Ov39bbFww1R+vAxjuqkufyncZOcK29dl9vGJ2jMpo3stIdRUt8qvx1aPbr6Bj1y07kMQsZPJnxBH9KZM2fYucPZQIZtyyJMLHBNKejfF92PVIbRf9LAJ3it8YfliIr7gdzgnEhlv2SHkyDpqs/Allff2n4GlCu/DXas1hu5Ftq0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780332847; c=relaxed/simple; bh=BaHPl2b/jO+xhJdx44dgLRKJvbOveIqbphK/IW0KPG0=; h=Message-ID:Subject:From:To:Cc:Date:In-Reply-To:References: Content-Type:MIME-Version; b=IqOt8SnzpcY3XE8bXG0iTD3NMveaabr3AsgY26w6GnfsSWYMTtkMkqxW0qTc510oe2ATSL8DfFF0WITUbsx5Ebn1SpDEGcrYPwaZ9oB0M3T1LrUEsgOEIq0QPi7BjRVnJ6ya2CSzkJehgWvQzH6Ksu3xxdVeaOWoFVoVcawXGSs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=infradead.org; spf=none smtp.mailfrom=casper.srs.infradead.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b=WbGf3Bp1; arc=none smtp.client-ip=90.155.50.34 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=infradead.org Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=casper.srs.infradead.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="WbGf3Bp1" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=MIME-Version:Content-Type:References: In-Reply-To:Date:Cc:To:From:Subject:Message-ID:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=BaHPl2b/jO+xhJdx44dgLRKJvbOveIqbphK/IW0KPG0=; b=WbGf3Bp1onixyilqJoFLMVuDDX xfwSGdsk87rzEOLDBdp4Bx2c89gOsDAGYPPAdkTfOITephPZag093OgWS3zSuJG/3GVKcUGFC255R BqIYZ8EvldiqEC4KO43RGxfX2YryTuqkrPAnZ3JLCFS3/HnM5+cShi7SckJP/RQT0ScA25etKqMWu CcPUd6IoxebwaMxR+v3PWZ5fZxSW/4f0d+Na04t/6qu1AjKjSxQFgsN90qdGU0J6RxfCe048Ih3HS 9DetvR7vgyZd2+mBBygfHDrLzC8BGl2IEb9jMPOix43F0xsKBc9KCFrHfQAv+k8KdhODb78VrzyKj jiP38LJw==; Received: from [2001:8b0:10b:5:5b40:b57d:669c:36f4] (helo=u09cd745991455d.ant.amazon.com) by casper.infradead.org with esmtpsa (Exim 4.99.1 #2 (Red Hat Linux)) id 1wU5te-00000000RBj-2Hjz; Mon, 01 Jun 2026 16:53:51 +0000 Message-ID: <0e023f951c102fe2ee7070e490c579783b2817d5.camel@infradead.org> Subject: Re: [PATCH v2 2/2] MAINTAINERS: update PTP maintainer entries after directory split From: David Woodhouse To: Richard Cochran Cc: Wen Gu , Jakub Kicinski , tglx@kernel.org, andrew+netdev@lunn.ch, davem@davemloft.net, edumazet@google.com, pabeni@redhat.com, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, jstultz@google.com, anna-maria@linutronix.de, frederic@kernel.org, daniel.lezcano@kernel.org, sboyd@kernel.org, vladimir.oltean@nxp.com, wei.fang@nxp.com, xiaoning.wang@nxp.com, jonathan.lemon@gmail.com, vadim.fedorenko@linux.dev, yangbo.lu@nxp.com, svens@linux.ibm.com, nick.shi@broadcom.com, ajay.kaher@broadcom.com, alexey.makhalov@broadcom.com, bcm-kernel-feedback-list@broadcom.com, linux-fpga@vger.kernel.org, imx@lists.linux.dev, linux-s390@vger.kernel.org, dust.li@linux.alibaba.com, xuanzhuo@linux.alibaba.com, mani@kernel.org, imran.shaik@oss.qualcomm.com, taniya.das@oss.qualcomm.com Date: Mon, 01 Jun 2026 17:53:49 +0100 In-Reply-To: References: <20260407104802.34429-1-guwen@linux.alibaba.com> <20260407104802.34429-3-guwen@linux.alibaba.com> <20260412084704.743482ad@kernel.org> <4B889ED5-D1F6-401D-B753-89AE2037F316@infradead.org> <20260412095301.4fe1fe65@kernel.org> <1088b07d760491deb461d6d01abca631e8f8d86c.camel@infradead.org> <3908843460c4864eef79cced40d897f793c7ae2a.camel@infradead.org> Content-Type: multipart/signed; micalg="sha-256"; protocol="application/pkcs7-signature"; boundary="=-VlDPaE1pzXHdYpveufIV" User-Agent: Evolution 3.52.3-0ubuntu1.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org. See http://www.infradead.org/rpr.html --=-VlDPaE1pzXHdYpveufIV Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Mon, 2026-06-01 at 08:20 -0700, Richard Cochran wrote: > On Mon, Jun 01, 2026 at 08:03:26AM +0100, David Woodhouse wrote: > > If we move all the plain non-network PHC drivers (which, as noted, > > is > > basically *all* of them) into a drivers/ subdirectory, then perhaps > > we >=20 > Sorry, just catching up here, so the idea is to have >=20 > =C2=A0linux/drivers/ptp/drivers=C2=A0 ? That is my current suggestion. It stems from Jakub's response in https://lore.kernel.org/all/20250815113814.5e135318@kernel.org/ that "I really wish someone stepped up and created a separate subsystem for all these cloud / vm clocks. They have nothing to do with PTP." There was some further bikeshedding in https://lore.kernel.org/netdev/0afe19db-9c7f-4228-9fc2-f7b34c4bc227@linux.a= libaba.com/ around how to split 'emulated' from other hardware drivers, but I don't much like that taxonomy. Some of these "virtual" clocks could just as easily exist in hardware with PTM too. My observation is that with the sole exception of ptp_inet.c, *all* of the actual PHC drivers that live in drivers/ptp instead of drivers/net are "pure clock" drivers, so perhaps we split those all out into drivers/ptp/drivers/ and exclude them from the netdev maintenance? I'm reluctantly prepared to host and help maintain a drivers tree if it's necessary, but equally as happy to let you own it.=20 --=-VlDPaE1pzXHdYpveufIV Content-Type: application/pkcs7-signature; name="smime.p7s" Content-Disposition: attachment; filename="smime.p7s" Content-Transfer-Encoding: base64 MIAGCSqGSIb3DQEHAqCAMIACAQExDzANBglghkgBZQMEAgEFADCABgkqhkiG9w0BBwEAAKCCD9Aw ggSOMIIDdqADAgECAhAOmiw0ECVD4cWj5DqVrT9PMA0GCSqGSIb3DQEBCwUAMGUxCzAJBgNVBAYT AlVTMRUwEwYDVQQKEwxEaWdpQ2VydCBJbmMxGTAXBgNVBAsTEHd3dy5kaWdpY2VydC5jb20xJDAi BgNVBAMTG0RpZ2lDZXJ0IEFzc3VyZWQgSUQgUm9vdCBDQTAeFw0yNDAxMzAwMDAwMDBaFw0zMTEx MDkyMzU5NTlaMEExCzAJBgNVBAYTAkFVMRAwDgYDVQQKEwdWZXJva2V5MSAwHgYDVQQDExdWZXJv a2V5IFNlY3VyZSBFbWFpbCBHMjCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAMjvgLKj jfhCFqxYyRiW8g3cNFAvltDbK5AzcOaR7yVzVGadr4YcCVxjKrEJOgi7WEOH8rUgCNB5cTD8N/Et GfZI+LGqSv0YtNa54T9D1AWJy08ZKkWvfGGIXN9UFAPMJ6OLLH/UUEgFa+7KlrEvMUupDFGnnR06 aDJAwtycb8yXtILj+TvfhLFhafxroXrflspavejQkEiHjNjtHnwbZ+o43g0/yxjwnarGI3kgcak7 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