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[2620:137:e000::1:20]) by mx.google.com with ESMTP id c11-20020a05640227cb00b004377a1786c5si25590543ede.634.2022.07.05.03.00.13; Tue, 05 Jul 2022 03:00:38 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232705AbiGEJvu (ORCPT + 99 others); Tue, 5 Jul 2022 05:51:50 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38986 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232145AbiGEJtr (ORCPT ); Tue, 5 Jul 2022 05:49:47 -0400 Received: from metis.ext.pengutronix.de (metis.ext.pengutronix.de [IPv6:2001:67c:670:201:290:27ff:fe1d:cc33]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 648A013CCB for ; Tue, 5 Jul 2022 02:49:35 -0700 (PDT) Received: from gallifrey.ext.pengutronix.de ([2001:67c:670:201:5054:ff:fe8d:eefb] helo=bjornoya.blackshift.org) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1o8fBS-0001vI-75; Tue, 05 Jul 2022 11:49:30 +0200 Received: from pengutronix.de (2a03-f580-87bc-d400-a082-c20a-3b95-9158.ip6.dokom21.de [IPv6:2a03:f580:87bc:d400:a082:c20a:3b95:9158]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-256) server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) (Authenticated sender: mkl-all@blackshift.org) by smtp.blackshift.org (Postfix) with ESMTPSA id 041E8A8764; Tue, 5 Jul 2022 09:49:27 +0000 (UTC) Date: Tue, 5 Jul 2022 11:49:27 +0200 From: Marc Kleine-Budde To: Geert Uytterhoeven Cc: Max Staudt , Wolfgang Grandegger , linux-can@vger.kernel.org, Vincent Mailhol , Oliver Neukum , Linux Kernel Mailing List , Vincent Mailhol , Greg Kroah-Hartman , Oliver Hartkopp Subject: Re: [PATCH v9] can, tty: can327 CAN/ldisc driver for ELM327 based OBD-II adapters Message-ID: <20220705094927.vgtxcjh4klw6dcg3@pengutronix.de> References: <20220618195031.10975-1-max@enpas.org> <20220627150557.qluqtejrddj5nfif@pengutronix.de> <20220627190126.4eb57a2b.max@enpas.org> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="upcj6ikityqz426n" Content-Disposition: inline In-Reply-To: X-SA-Exim-Connect-IP: 2001:67c:670:201:5054:ff:fe8d:eefb X-SA-Exim-Mail-From: mkl@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-kernel@vger.kernel.org X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00,RCVD_IN_DNSWL_MED, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --upcj6ikityqz426n Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On 05.07.2022 11:43:52, Geert Uytterhoeven wrote: > So development started before commit cd6484e1830be260 ("serdev: > Introduce new bus for serial attached devices"). I guess that is the > reason why this driver uses a line discipline, instead of the serial > bus? >=20 > I had a quick glance through the various revisions posted, and it > doesn't seem like anyone mentioned the serial bus. Would there be > any advantage in migrating to the serial bus? Does serial bus work with hot plug devices like USB Serial Adapters and/or devices that are not described in the device tree? regards, Marc --=20 Pengutronix e.K. | Marc Kleine-Budde | Embedded Linux | https://www.pengutronix.de | Vertretung West/Dortmund | Phone: +49-231-2826-924 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | --upcj6ikityqz426n Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEBsvAIBsPu6mG7thcrX5LkNig010FAmLECSUACgkQrX5LkNig 013x8QgAlkzZNjplXmSkbzLnfp5FyxE2SofCqbRT/uaQoymqG4Yr2TNTfm6iA9p2 vc/Dlp+91F+Efxp/Bx2ByYT0UA6Q23LZXF5m4l3b25fLy0HRGi9NiXNwFldbJNtg gyQdruRQJJrXxTmz1pZL0aAjgjX+TTrFRXpU0MYWVU9sB4Bbj7N3tnMLeOo88LLy +qNoFLQGodZI6Xfj/yvBrbnVtM8G/kkkcLCJyztht70gzacBT9X/xPadrwc1cA8J 8t5gpBQ5lTAdTsI8AcW633FZhI1WGpGQM1/gy+RM7z2HtEsCy0Fm1Yk/WzgS0CKL 7uyJOPsdXXL708fcrjyuo0yF3+ve/g== =Ke92 -----END PGP SIGNATURE----- --upcj6ikityqz426n--