Received: by 2002:a05:6a10:413:0:0:0:0 with SMTP id 19csp3513654pxp; Tue, 8 Mar 2022 16:20:38 -0800 (PST) X-Google-Smtp-Source: ABdhPJzcy28XMK2jEIZloHjdAYuERcQgK9p/NK105+AVDPN4rClgmQKLzmhy/SoYjOSZANIhtU1O X-Received: by 2002:a05:6a00:1d1f:b0:4f7:4605:8f44 with SMTP id a31-20020a056a001d1f00b004f746058f44mr1863352pfx.58.1646785238278; Tue, 08 Mar 2022 16:20:38 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1646785238; cv=none; d=google.com; s=arc-20160816; b=htLp4IrxxYrZlvM8iRyTYgGPOxYjMCur1/Ep7bPU2xKMx94XzwW2Y3sg2fZp1BNdnp 9k20SO2tUCk1XjbWL+EHTkdOPn3vBiWjI60L7aX/QBObNU+vWIIsxkcyjpiarqGBlmy9 kuXK84YkYP+taNeJAk2Ylb8tkpTOAsEtFG+KpJPktowzzTCNYGKJBmwOf1+XKskRlke+ BENwEs8LdFMecRlt8ihxERn0eoIL/M8+7ZpYa8KcxLf+cYaSJlszAGEjlCagY3AnO5hU NBbqPZv/5pNsmBDjxWD38NJrtSvTdcSkibnq6pGfgLTnZ3gEJwjZEWuNaL/aEaTAmtPZ gOfQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:cc:to:subject :message-id:date:from:in-reply-to:references:mime-version :dkim-signature; bh=W3N2onZNeXEWUzsjOhw5lgCOnooSllP3AJaBPnKLKa4=; b=LdhNLZQrCt2gMRuPKmoFtcbAtFYYFKtfkhVq8JQquSiLKcLYLjx+MTiP5X9ekKzV9d A3r+qG24smRrHxFxic5xAQvD1SEIH8m0Vepa62J/16OyvMpcRG1NlpoJR5iUmsoX+dLq D92dOkpxQXFs5oKK0pVLqaP8xZDJcvOzVHWGNuhoHcxXd0F0jcj/yVWhC1EYw9wzDXiR EHn9pNWUdd/oBfMon0/qhWhp+JbMiDQBeeRP+jGM/+ZUeqf8ELyNgkdispnOG+QJpDv8 1EWlASrd0MEHwrQaZjwUaIiJI6lmxLtuhsVjIHzZ2gcQggWFlDLQ8AnjKLE7s0Tn5IFA 5BGw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@gmail.com header.s=20210112 header.b=cF3pFpGg; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Return-Path: Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net. [2620:137:e000::1:18]) by mx.google.com with ESMTPS id oc3-20020a17090b1c0300b001bd14e030bcsi4072971pjb.148.2022.03.08.16.20.37 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 08 Mar 2022 16:20:38 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:18 as permitted sender) client-ip=2620:137:e000::1:18; Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20210112 header.b=cF3pFpGg; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id C9CF4FABDE; Tue, 8 Mar 2022 15:45:21 -0800 (PST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1347674AbiCHO4O (ORCPT + 99 others); Tue, 8 Mar 2022 09:56:14 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50444 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1347669AbiCHO4L (ORCPT ); Tue, 8 Mar 2022 09:56:11 -0500 Received: from mail-ed1-x532.google.com (mail-ed1-x532.google.com [IPv6:2a00:1450:4864:20::532]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 064284D614; Tue, 8 Mar 2022 06:55:15 -0800 (PST) Received: by mail-ed1-x532.google.com with SMTP id x5so24781095edd.11; Tue, 08 Mar 2022 06:55:14 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc:content-transfer-encoding; bh=W3N2onZNeXEWUzsjOhw5lgCOnooSllP3AJaBPnKLKa4=; b=cF3pFpGgsqh/x0O0WYaF1G/ds8gl5IPznUxWzBDUnwryuQjj2erEikKXEmJmDAEwac SqSiXNIJNgNK6/P7a6OmTsRygL8siE+jjxWC2jCvXYLAnO3Q8PLBXQbIUgW5Ch4jO4Sb eJ2baKwVhvQcJwoXaB3A5MynHxfdPwmqxNzUV7w1tFE2iA1UTg29aRMs8h9WxuUaAPj3 X1k/wm97jt6+aw5/6STGgqcA9xXm/hbxjZnmUr0JbEiyh4S7cOKlICT0gz0w8+jT5YSP vLhua+dZM/YObcOBwqkloUXb2JivS7+92w6lO5j3Q82O9qWuJd/g5CF2bPA7RJFzb+Mm 6MGQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc:content-transfer-encoding; bh=W3N2onZNeXEWUzsjOhw5lgCOnooSllP3AJaBPnKLKa4=; b=COrst7vNMuA3ev0QUJOVG8lC/0qR/ew9cpxbk9UsUDgBxZvwKjU00QaUA4eCpLGCWj d/MLxbpwCpKCplVaXvWredIQCq31ljFM17rEG6upX1RTFkJz7mXCQo4eNR4h6d/5FX5P nwfNBW6SF7MRh9l9EC1qznMpvAOTUzZ1VuaPyzG//PhLhl33+JoT4G9EDAH94vXjiqXw P+u67LbfvEcRk1AjzpgtI1y1BaxYNnuOTX2ujPNEr7BAOptZ4UF834F8AsdMxRr37t5K nMIfQSJbuzvYZgE2+LPyWXcfbxdbF8y4PNuyzfIjLD7vN3JBcispjTeDKhFWQkrkkohm jeig== X-Gm-Message-State: AOAM5300aMrBRrsk+lBjg40F7K6FiR6Jyawf+aVJ583bb6LHQN2oFIIN qVOq4KiXihNIVQj+T/o+pCrUjSz15kEyO1lMxZE= X-Received: by 2002:a05:6402:3589:b0:416:7de7:cdde with SMTP id y9-20020a056402358900b004167de7cddemr348358edc.218.1646751313432; Tue, 08 Mar 2022 06:55:13 -0800 (PST) MIME-Version: 1.0 References: <20220302095606.14818-1-ilpo.jarvinen@linux.intel.com> <20220302095606.14818-2-ilpo.jarvinen@linux.intel.com> <20220306184857.GA19394@wunner.de> <20220307191854.GA27748@wunner.de> <6931d6ad-7520-b585-a8ba-35349e730bb@linux.intel.com> <20220308122220.GA24694@wunner.de> <20220308145042.GA20520@wunner.de> In-Reply-To: <20220308145042.GA20520@wunner.de> From: Andy Shevchenko Date: Tue, 8 Mar 2022 16:53:56 +0200 Message-ID: Subject: Re: [PATCH 1/7] serial: 8250_dwlib: RS485 HW half duplex support To: Lukas Wunner Cc: =?UTF-8?Q?Ilpo_J=C3=A4rvinen?= , "open list:SERIAL DRIVERS" , Jiri Slaby , Greg Kroah-Hartman , Linux Kernel Mailing List , Johan Hovold , Heikki Krogerus , Raymond Tan , Heiko Stuebner Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Spam-Status: No, score=-1.7 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,RDNS_NONE, SPF_HELO_NONE,T_SCC_BODY_TEXT_LINE autolearn=no 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 On Tue, Mar 8, 2022 at 4:50 PM Lukas Wunner wrote: > On Tue, Mar 08, 2022 at 02:59:59PM +0200, Ilpo J=C3=A4rvinen wrote: ... > Of course, if hardware-assisted DE assertion requires a particular pinmux > state, we could double-check whether that pinmux state is set. I'm wondering how to achieve this. --=20 With Best Regards, Andy Shevchenko