Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id C8D19C433F5 for ; Thu, 13 Jan 2022 11:12:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234052AbiAMLMk (ORCPT ); Thu, 13 Jan 2022 06:12:40 -0500 Received: from mail-ed1-f48.google.com ([209.85.208.48]:42889 "EHLO mail-ed1-f48.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230151AbiAMLMj (ORCPT ); Thu, 13 Jan 2022 06:12:39 -0500 Received: by mail-ed1-f48.google.com with SMTP id i5so21702926edf.9; Thu, 13 Jan 2022 03:12:39 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:message-id:date:mime-version:user-agent:subject :content-language:to:cc:references:from:in-reply-to :content-transfer-encoding; bh=+I640+M7ZrIju3BDmTll+98qG/6MsN0P8dYMqkWxIVA=; b=6OTDxeG4ZiZXVAGIz2mruI61Ycb6IebAplVUDd834ScEBp6C7U1ZsFglQGjoTmMv0r iSLtjV/qHbszYaXYLqXsYfmysF19dcSb/G0hpY0LddJIyz/N2vtnYvSqQFmcFBOvLTFo jmkbjqQTfS9tjQjaJb6x5mGW8OErhFq8cr1UxnHPCsEkHkogtItTxmVOk4qxGwyVydD5 OFwqbveCA3GP86y83pRQX987cAGV4KLIvatEn9OQv71+frc6wECGphneMDOC9vdElsc6 hzlewbGxwLyYqObKADmYOb4UTu/9FRGv/Tg5hVe5JZ0zMuHiZ4RIFnpTx0B3ELpAVIyj YmfQ== X-Gm-Message-State: AOAM533d277zclM5nJGqOubHtTC6DdC6anD/4yhxXqadAhqS3Sp7mfQb D6IgWofYKJoJK+y59t0lDuE= X-Google-Smtp-Source: ABdhPJz2jyQ9iYcZAeaS/pWcrDxuda4YOQusK6OFqAKFAgoWpZR8W9h3cNgpKyQimCRjw6iha60Gng== X-Received: by 2002:a17:906:6996:: with SMTP id i22mr3234069ejr.293.1642072358424; Thu, 13 Jan 2022 03:12:38 -0800 (PST) Received: from ?IPV6:2a0b:e7c0:0:107::49? ([2a0b:e7c0:0:107::49]) by smtp.gmail.com with ESMTPSA id qk34sm758939ejc.143.2022.01.13.03.12.37 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 13 Jan 2022 03:12:37 -0800 (PST) Message-ID: <2cde3ff0-5180-7c1e-82fd-7b58e41d462a@kernel.org> Date: Thu, 13 Jan 2022 12:12:36 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.4.1 Subject: Re: [PATCH v6 2/2] serial:sunplus-uart:Add Sunplus SoC UART Driver Content-Language: en-US To: hammer hsieh Cc: Greg KH , robh+dt@kernel.org, linux-serial@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, p.zabel@pengutronix.de, wells.lu@sunplus.com, "hammer.hsieh" References: <1641979444-11661-1-git-send-email-hammerh0314@gmail.com> <1641979444-11661-3-git-send-email-hammerh0314@gmail.com> From: Jiri Slaby In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 13. 01. 22, 11:56, hammer hsieh wrote: >> Could you explain me what posted write is and how does it not matter in >> this case? >> > > Each UART ISC register contains No, you still don't follow what I write. Use your favorite web search for "posted write" and/or consult with your HW team. -- js suse labs