From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4F082C10F0E for ; Mon, 15 Apr 2019 13:15:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2856C20693 for ; Mon, 15 Apr 2019 13:15:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727451AbfDONPZ (ORCPT ); Mon, 15 Apr 2019 09:15:25 -0400 Received: from mout.kundenserver.de ([212.227.126.134]:38549 "EHLO mout.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726095AbfDONPY (ORCPT ); Mon, 15 Apr 2019 09:15:24 -0400 Received: from [192.168.1.110] ([95.115.91.41]) by mrelayeu.kundenserver.de (mreue010 [212.227.15.167]) with ESMTPSA (Nemesis) id 1MmDVA-1gXvCf2ElM-00iDzG; Mon, 15 Apr 2019 15:14:53 +0200 Subject: Re: [PATCH 2/2] tty: add rpmsg driver To: Arnaud Pouliquen , xiang xiao Cc: Fabien Dessenne , Ohad Ben-Cohen , Bjorn Andersson , Greg Kroah-Hartman , Jiri Slaby , linux-kernel@vger.kernel.org, linux-remoteproc@vger.kernel.org, Benjamin Gaignard References: <1553183239-13253-1-git-send-email-fabien.dessenne@st.com> <1553183239-13253-3-git-send-email-fabien.dessenne@st.com> <4857555a-812d-0b96-9a70-2984ffb50ca9@st.com> <770c71bc-f387-62b6-f799-07ba6446e7e8@st.com> <760819dc-4c26-b492-a0ba-8b27c189d5b1@st.com> <596f9e4d-2db1-8040-211b-173ad19d9d0e@st.com> <45511e33-df29-1a3c-66a1-151dc42bf10d@st.com> <6351cde2-7470-40f5-9f3a-c872cb193e50@st.com> From: "Enrico Weigelt, metux IT consult" Organization: metux IT consult Message-ID: <0c1d34df-7aeb-648b-b118-cf608e6ba636@metux.net> Date: Mon, 15 Apr 2019 15:14:50 +0200 User-Agent: Mozilla/5.0 (X11; Linux i686 on x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.2.1 MIME-Version: 1.0 In-Reply-To: <6351cde2-7470-40f5-9f3a-c872cb193e50@st.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-Provags-ID: V03:K1:AYYFxpP0IE3ZsicftjdMNMp5yGC7g8Ed8x5g8IgaojRPa7IR1Wt UaFg8wrDbytxhEuR0dwlgbovgK6nxm7bTdFcW9kX3Ln6M8r4Z0pbZhzg5LKT74OtLq2JCEi Z3wY0ArZBi/j7W6H4Q5p+RDWidqbAFVmbWpdM6bDRZ0tKM7UhC4ROntoaGSL9PhG6gixYoG XtWGERFMGfJ5SSFddYhDQ== X-UI-Out-Filterresults: notjunk:1;V03:K0:/TSdYI90Kzo=:3eG3ujCn8GBT6MF0Fv8SWZ 8OWQXcA1v7NQBjxvHb2gOEoZ0kNy1LkCvKHaeZ6co/Pec3WD1sfuWewEiKRaFE9d4s2kBmo2D Z+UGipCvp7ueZ4njCsU2/MTYmBaIWM0Yr0bLcaJ5dtf5TDxQYv3Dd7ZR3TBFW5LIhqZHr7uBk 9Z8dqidir1l0WzMUiJSxB5yZbSyVyQ6LTi1d9LQ4mrHmEQ2r0NLXWdYfO3ZdBZlFcE31NQCiZ 9IzdLPVdYeEC6/vzOD8I7agXd/BcsX3jGRwbWtez7cDWINCWlbjXbcA5av1BNZjVlezSlbDrL e0gRmRSLmJzgJwgGhGiUZZRJCyj11gG1hzPn31oFAfkQzBjtjW1BRlUoklwt8wsbPrYk1MRYZ gGTqPuESMXauIhuECmhknb5FxKuB2FlLNweSN253BhW1X/eGtJonXjxXiOSEY5gQ6dKTbkS3z WAyowHr6lnJ1eCQTHtjy3DRLia66jFEr9MBPDwpKc9AG4SkY5iskaTAfRDYv7YeNpf8Mcw3OG f0AvYjIn/EJKdRqfvz2Hq7OSyAuVPN1YPgUOvx0gqdo+2C9OrYggY/k2j2GhpQ2BqjptQ3fAR le1y9862hyAuIv6lHjUrh7CVJuvsIUxyi45RgBTGRHR9yKlxUvshSK4Kvv+T2Gx1qM7rld6io aQC1esr/JNYsAYyajMOnbcIuWle36MrRgdcfNOC5Cfuensu+rmYUYnho5H1v8pMMtfzUM1Lrg PsSmUgc42h9UQniEgIJoRRQ0VtUUW4kifZrnJmItasCG8XJ3cPJKJJj9S/0= Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 12.04.19 18:00, Arnaud Pouliquen wrote: Hi folks, Haven't followed the whole thread, but I've got the impression that the device is emulating an uart - if that's the case wouldn't it be better to implement a serial driver, instead of tty directly (which IMHO should make it also usable for serbus-based devices) ? --mtx -- Enrico Weigelt, metux IT consult Free software and Linux embedded engineering info@metux.net -- +49-151-27565287