From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mout02.posteo.de (mout02.posteo.de [185.67.36.66]) (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 A2A1140149A for ; Mon, 11 May 2026 14:54:38 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.67.36.66 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778511281; cv=none; b=HE8r4L2m9yJLgd78uZvcQwfTUSO9N8KldBZpyLvDVXU+L2TYbGR3ZvvRF8eyNvVDvHfEjrw6A6mhcYmbXm64haveMFnpRq7Uc8V8lVWg6FUmgF/ZvsCkReOfqCN1DbVlp7yBqHM57qtaC+gyLVdgp31SgJKiaQjsFXlkqZhB0bY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778511281; c=relaxed/simple; bh=TpIGitQPS+l65xYL29D0NyyGS06BiAlFP4avKJ2ywDI=; h=Message-ID:Subject:From:To:Cc:Date:In-Reply-To:References: Content-Type:MIME-Version; b=n07fUvMiXwt/pzfxSnujD9QF+htld1trqERZEUBXUbirzN9XNvK9Y/s2A4oXsxvLsgc5htbHiMNJFg+5jJEPlMUMmN+Mb90LoV2vaS/ly0WrVAYgTNgQ9qTCQwaHT39dC4YOcAWiHtKrYaYpqsPkzc+ckEdEHeRrlLD1janV6kY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=posteo.de; spf=pass smtp.mailfrom=posteo.de; dkim=pass (2048-bit key) header.d=posteo.de header.i=@posteo.de header.b=kWB32BFY; arc=none smtp.client-ip=185.67.36.66 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=posteo.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=posteo.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=posteo.de header.i=@posteo.de header.b="kWB32BFY" Received: from submission (posteo.de [185.67.36.169]) by mout02.posteo.de (Postfix) with ESMTPS id 49E34240101 for ; Mon, 11 May 2026 16:54:26 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=posteo.de; s=2017; t=1778511266; bh=TpIGitQPS+l65xYL29D0NyyGS06BiAlFP4avKJ2ywDI=; h=Message-ID:Subject:From:To:Cc:Date:Autocrypt:Content-Type: MIME-Version:OpenPGP:From; b=kWB32BFYEZB5xfowoDcFJ4+p6qFeUCM8ebf9+DchWTBMq9DTQNAZWEnfk7a8mIb5R iCQJzcv/24M6C8ZcJhXwd/sDjBbdqnqucWJQ0Gbo/sUom2o4yLC+m8ZAPL7+/zkQKM Ca60rMnHwtNr8upgrb6+BmTBb5UnOGuwQEnZ3bCbdSxI0KB+mHxpXnlx6sQnm1Buxq VwApVz7zePq/y59H24i6Ixf2jwPYtgaOi0JItSUQvZPoN9agSnZWlQbrqubDOrYdh7 TuzYJuqZZKeELlck6F3Qii8lGN+S3T89XEQPDMyL7REEnQ+1VLFvYJ7hI91jj5yUAU eTqRyUaMyS5Xw== Received: from customer (localhost [127.0.0.1]) by submission (posteo.de) with ESMTPSA id 4gDjRf30nYz9rxF; Mon, 11 May 2026 16:54:22 +0200 (CEST) Message-ID: Subject: Re: [PATCH v7 0/4] rust: add basic serial device bus abstractions From: Markus Probst To: Rob Herring Cc: Greg Kroah-Hartman , Jiri Slaby , Miguel Ojeda , Gary Guo , =?ISO-8859-1?Q?Bj=F6rn?= Roy Baron , Benno Lossin , Andreas Hindborg , Alice Ryhl , Trevor Gross , Danilo Krummrich , Kari Argillander , "Rafael J. Wysocki" , Viresh Kumar , Boqun Feng , David Airlie , Simona Vetter , linux-serial@vger.kernel.org, linux-kernel@vger.kernel.org, rust-for-linux@vger.kernel.org, linux-pm@vger.kernel.org, driver-core@lists.linux.dev, dri-devel@lists.freedesktop.org Date: Mon, 11 May 2026 14:54:25 +0000 In-Reply-To: <20260430195858.GA1650658-robh@kernel.org> References: <20260429-rust_serdev-v7-0-0d89c791b5c8@posteo.de> <20260430195858.GA1650658-robh@kernel.org> Autocrypt: addr=markus.probst@posteo.de; prefer-encrypt=mutual; keydata=mQINBGiDvXgBEADAXUceKafpl46S35UmDh2wRvvx+UfZbcTjeQOlSwKP7YVJ4JOZrVs93 qReNLkOWguIqPBxR9blQ4nyYrqSCV+MMw/3ifyXIm6Pw2YRUDg+WTEOjTixRCoWDgUj1nOsvJ9tVA m76Ww+/pAnepVRafMID0rqEfD9oGv1YrfpeFJhyE2zUw3SyyNLIKWD6QeLRhKQRbSnsXhGLFBXCqt 9k5JARhgQof9zvztcCVlT5KVvuyfC4H+HzeGmu9201BVyihJwKdcKPq+n/aY5FUVxNTgtI9f8wIbm fAjaoT1pjXSp+dszakA98fhONM98pOq723o/1ZGMZukyXFfsDGtA3BB79HoopHKujLGWAGskzClwT jRQxBqxh/U/lL1pc+0xPWikTNCmtziCOvv0KA0arDOMQlyFvImzX6oGVgE4ksKQYbMZ3Ikw6L1Rv1 J+FvN0aNwOKgL2ztBRYscUGcQvA0Zo1fGCAn/BLEJvQYShWKeKqjyncVGoXFsz2AcuFKe1pwETSsN 6OZncjy32e4ktgs07cWBfx0v62b8md36jau+B6RVnnodaA8++oXl3FRwiEW8XfXWIjy4umIv93tb8 8ekYsfOfWkTSewZYXGoqe4RtK80ulMHb/dh2FZQIFyRdN4HOmB4FYO5sEYFr9YjHLmDkrUgNodJCX CeMe4BO4iaxUQARAQABtCdNYXJrdXMgUHJvYnN0IDxtYXJrdXMucHJvYnN0QHBvc3Rlby5kZT6JAl QEEwEIAD4CGwMFCwkIBwICIgIGFQoJCAsCBBYCAwECHgcCF4AWIQSCdBjE9KxY53IwxHM0dh/4561 D0gUCaIZ9HQIZAQAKCRA0dh/4561D0pKmD/92zsCfbD+SrvBpNWtbit7J9wFBNr9qSFFm2n/65qen NNWKDrCzDsjRbALMHSO8nigMWzjofbVjj8Nf7SDcdapRjrMCnidS0DuW3pZBo6W0sZqV/fLx+AzgQ 7PAr6jtBbUoKW/GCGHLLtb6Hv+zjL17KGVO0DdQeoHEXMa48mJh8rS7VlUzVtpbxsWbb1wRZJTD88 ALDOLTWGqMbCTFDKFfGcqBLdUT13vx706Q29wrDiogmQhLGYKc6fQzpHhCLNhHTl8ZVLuKVY3wTT+ f9TzW1BDzFTAe3ZXsKhrzF+ud7vr6ff9p1Zl+Nujz94EDYHi/5Yrtp//+N/ZjDGDmqZOEA86/Gybu 6XE/v4S85ls0cAe37WTqsMCJjVRMP52r7Y1AuOONJDe3sIsDge++XFhwfGPbZwBnwd4gEVcdrKhnO ntuP9TvBMFWeTvtLqlWJUt7n8f/ELCcGoO5acai1iZ59GC81GLl2izObOLNjyv3G6hia/w50Mw9MU dAdZQ2MxM6k+x4L5XeysdcR/2AydVLtu2LGFOrKyEe0M9XmlE6OvziWXvVVwomvTN3LaNUmaINhr7 pHTFwDiZCSWKnwnvD2+jA1trKq1xKUQY1uGW9XgSj98pKyixHWoeEpydr+alSTB43c3m0351/9rYT TTi4KSk73wtapPKtaoIR3rOFHLQXbWFya3VzLnByb2JzdEBwb3N0ZW8uZGWJAlEEEwEIADsWIQSCd BjE9KxY53IwxHM0dh/4561D0gUCaIO9eAIbAwULCQgHAgIiAgYVCgkICwIEFgIDAQIeBwIXgAAKCR A0dh/4561D0oHZEACEmk5Ng9+OXoVxJJ+c9slBI2lYxyBO84qkWjoJ/0GpwoHk1IpyL+i+kF1Bb7y Hx9Tiz8ENYX7xIPTZzS8hXs1ksuo76FQUyD6onA/69xZIrYZ0NSA5HUo62qzzMSZL7od5e12R6OPR lR0PIuc4ecOGCEq3BLRPfZSYrL54tiase8HubXsvb6EBQ8jPI8ZUlr96ZqFEwrQZF/3ihyV6LILLk geExgwlTzo5Wv3piOXPTITBuzuFhBJqEnT25q2j8OumGQ+ri8oVeAzx24g1kc11pwpR0sowfa5MvZ WrrBcaIL7uJfR/ig7FyGnTQ1nS3btf3p0v8A3fc4eUu/K2No3l2huJp3+LHhCmpmeykOhSB63Mj3s 3Q87LD0HE0HBkTEMwp+sD97ZRpO67H5shzJRanUaDTb/mREfzpJmRT1uuec0X2zItL7a6itgMJvYI KG29aJLX3fTzzVzFGPgzVZYEdhu4y53p0qEGrrC1JtKR6DRPE1hb/OdWOkjmJ75+PPLD9U5IuRd6y sHJWsEBR1F0wkMPkEofWsvMYJzWXx/rvTWO8N4D6HigTgBXAXNgbc3IHpHlkvKoBJptv6DRVRtIrz 0G0cfBY0Sm7he4N2IYDWWdGnPBZ3rlLSdj5EiBU2YWgIgtLrb8ZNJ3ZlhYluGnBJDGRqy2jC9s1jY 66sLA9rQZMHhJTzMyIDwweGlvMzJAcG9zdGVvLmV1PokCbQQTAQgAVxYhBIJ0GMT0rFjncjDEczR2 H/jnrUPSBQJpa71VGxSAAAAAAAQADm1hbnUyLDIuNSsxLjExLDIsMgIbAwULCQgHAgIiAgYVCgkIC wIEFgIDAQIeBwIXgAAKCRA0dh/4561D0gKJD/9uOQKYlsDoQX65Gd0LiMT0C+5vXgr3VI0PHDOwcv 51fJ3A1vNyPZRFPGrz8+mDEXUQOF/INfnz5Tu1QHwf+iYcWcTGAN/FHgVR6ET6VBNU2hJaKhu+Ggo kjYyJTOvyX+3yNRUfSny0GjTjIPuPTErjqmHF+BtjXslpgwqnNMznf3lRIuUjRORupos6p3k1DndE 5vzUTmXSvMyXyOD2KhBl/kL76k0bHYyAQytZPag12pltrtFbA/r2phDGN2si8PooDT99bSTJjaM45 MTAAHbHKJfvgfK41bNFD5mMtpWpL195XRtS0Nrxdg3PaYBxN5gtTG0RyZfpYRlkdEhm+jj/8RxuSG i/qdhRdbiI7K2IELWeQVHSNDi9JabR/UzlR4NSnhfAjRIVlRM+eFbUl8XwxwVrAkojF5IraH2qRvg VCmuFsHUW07FUlrDrzpjXsD73cKppoFGDCdDR0BHJepXbFLS9+AqkT+guRJlnCTg2p+TQtnbwPgKp Vj98JixovCl99zRYTsL2bRNU5+q8iET65VMJ1ydyNanvLd5vI/NqDkXhlXLsGmdaDTtu4R21PkToX dQNGrZ91M9nlIBKw8Y7c7xZ4098qX2b8JX/CxD+gC1r4C8vuA3GkhFLx+KlkON7LyiJPkrePp6Qky jfGillcaQOqFZ3WwVqyzG1BUfTow== Content-Type: multipart/signed; micalg="pgp-sha256"; protocol="application/pgp-signature"; boundary="=-hDVNd50c7cn2pQHHfTMl" Precedence: bulk X-Mailing-List: linux-serial@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 OpenPGP: url=https://posteo.de/keys/markus.probst@posteo.de.asc; preference=encrypt --=-hDVNd50c7cn2pQHHfTMl Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Thu, 2026-04-30 at 14:58 -0500, Rob Herring wrote: > On Wed, Apr 29, 2026 at 08:21:30PM +0200, Markus Probst wrote: > > This patch series adds the serdev device bus rust abstraction into the > > kernel. > >=20 > > This abstraction will be used by a driver, > > which targets the MCU devices in Synology devices. > >=20 > > Kari Argillander also messaged me, stating that he wants to write a > > watchdog driver with this abstraction (needing initial device data). > >=20 > > @Rob: Are you willing to maintain these rust abstractions yourself, > > as you are the expert on this subsystem, otherwise I would take care of > > it with a "SERIAL DEVICE BUS [RUST]" section in the MAINTAINERS file. I= n > > the second case, I assume you are going to pick those patches as-is int= o > > your tree, after they have been reviewed? >=20 > Well I can ignore the Rust part as much as I ignore the C serdev part...= =20 > Honestly, I need to find someone else to maintain all of it as I don't= =20 > really have the bandwidth. I don't think we should split it though. I could maintain both C and Rust. However my knowledge regarding the tty subsystem is very limited, so I would need to heavily rely on kernel documentation. Thanks - Markus Probst >=20 > And I don't have a tree for serdev. Greg picks up the serdev patches. If= =20 > the Rust folks are fine with them, then I am. >=20 > Rob --=-hDVNd50c7cn2pQHHfTMl Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- iQJPBAABCAA5FiEEgnQYxPSsWOdyMMRzNHYf+OetQ9IFAmoB7X0bFIAAAAAABAAO bWFudTIsMi41KzEuMTIsMiwyAAoJEDR2H/jnrUPST9IP/0MZdTYVvpOx0BsQaHF/ +frOQadjjWHu49gobdboY7cKhmmHlYUzlKDGDFSvsqHXbq5LUjYgierU42jMZ0wC lMMApEvlGrMJstar62HcHgaA586CD2zxRMTrGfFu+1y93GlSYHU7KS9CuIy6BvK4 pmP3Q4LP2PGbG7TCd2hso5MIl351mMBkMKuaPICFxyfviQvVeYE5TVK7AL792VvV FLnCv87PRvDZ/GRfZKyvx+E1KG7Yfu1XGoob1/1h6ifw7wNQ+bIjvx3+vtKNOjrF pt/JYgijkOuJBsQDWnz5wI0Qv96YTBHgEt87BvnQjxthuur0b2oPQgeZ6fen4w3X Z9DAIyNEpklHULovuoR0DOkJ5qRyrwGx7VjOBtPlq/yGTkQPPlZ2u8Q9zf6UicCM Y5DXZQL4F/n6i6HmZmm9tcC3sW++HBkgDaETFz/XfWX+Yrk6aze4ChGklIZO96WW a5UQiG0ytULXxAUzWAI4lcVArdZeJx7h1Iu4U5e1sgCezo5HBsC5gyk20L5hq1z1 K2pEJEiS7YREaFvjMP9K65CQT74f3nzfwFiCfn/1IuzMd/Pu8QOPaJjBFJahjjwJ ljerP8O6cJkTFNw0fySmiaCPk9wSQBpOnG/gDiHfAHKbfpNwrRFHjwBe3767/dl/ p7Vjc23uIYaww2yo6lXSOos/ =AJzm -----END PGP SIGNATURE----- --=-hDVNd50c7cn2pQHHfTMl--