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=-2.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 autolearn=no 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 6DEF5C54FD0 for ; Mon, 27 Apr 2020 09:52:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 432C420663 for ; Mon, 27 Apr 2020 09:52:15 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="s1Zx9bZG" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726604AbgD0JwO (ORCPT ); Mon, 27 Apr 2020 05:52:14 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47302 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1726589AbgD0JwO (ORCPT ); Mon, 27 Apr 2020 05:52:14 -0400 Received: from mail-lf1-x143.google.com (mail-lf1-x143.google.com [IPv6:2a00:1450:4864:20::143]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 11EB5C0610D5; Mon, 27 Apr 2020 02:52:14 -0700 (PDT) Received: by mail-lf1-x143.google.com with SMTP id m2so13255498lfo.6; Mon, 27 Apr 2020 02:52:13 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=/1SDtO4Ad7MyXOywoaq5DD1Ze7Y/wDVd4q/zz16aaT4=; b=s1Zx9bZGzXF8XJY7Nn2UJcY/TsTM7XJe2efANkLHLqxaIPK2Ska0PJTbWs4J3EVtol cdoj2ZH940ZohXKwRpNz1ZmZ4MiLyzV8r/LuM5NfphG/6gm+0DovqqnxGZKqCdzx0RkT HzNZwHw4qz8gO70cUOodxIY3Zl+thFFcS8807UFd/ArIZPh6T2SEU9qxVT+UyQqWb+zV MAe8vJCoYNMXpOvP6uthVAYvuBGPodcN7K9JLS1qot4wT0yPiswagnVbZqNBWfjHF8jk GWkoOWr9bl1Xv6faS68mSLABOAFlTJ5hXNdPmDbkFYCt6Wyhok8zP/BsDk1/gjyJZWH9 +8Gw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=/1SDtO4Ad7MyXOywoaq5DD1Ze7Y/wDVd4q/zz16aaT4=; b=eazoQOFAf7WtwO2/Hpt0B7HshAi+GNrP1UCCYGsbl4TpAuL1o94V5IY8GAVsv8Lx6z oki4AAelbICKOkIU3yMdxlD8bkUvVOXXzEnt2SCXu7qi8GD3fM/b1NIt05hnmCOiki2r RH44DCswPJckt0DGQBBiJFz7yERYoZqr+gBxnWwYszYZBkVOIBRMXTLcJsLCnVlw/Dl2 TH65x/SiFPeKSO5UQsowWkMlo+jeBqMwdNMhGde/ISGM++8zYYgSB1Hj/qLi5Ly7cLtV sbUXctkmfOhlx9AETAauGBGlXpG5e4sBskawG46rgRmXYdW9FbKrnCl2ipbpvQJUxzh0 qXtg== X-Gm-Message-State: AGi0PuYKnj06UNYLgPMJQpxsZyzkpC9WF3jmuuxGcNAngs3ES6McLheX AXGQkuk4kL7DiqT49pzDpgoLJFQl X-Google-Smtp-Source: APiQypIrZKBB3s8eVZpVqi1XMC/roIR+Qb4Ack7/dTw+w7yQiAvQ0moOUKIy1RICEh0aIpzKAnwt1A== X-Received: by 2002:ac2:4c34:: with SMTP id u20mr15166804lfq.40.1587981132001; Mon, 27 Apr 2020 02:52:12 -0700 (PDT) Received: from [192.168.2.145] (ppp91-78-208-152.pppoe.mtu-net.ru. [91.78.208.152]) by smtp.googlemail.com with ESMTPSA id c10sm2737181lfc.7.2020.04.27.02.52.10 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 27 Apr 2020 02:52:11 -0700 (PDT) Subject: Re: [PATCH v2 1/2] i2c: tegra: Better handle case where CPU0 is busy for a long time To: Thierry Reding , Wolfram Sang Cc: Jon Hunter , Laxman Dewangan , Manikanta Maddireddy , Vidya Sagar , linux-i2c@vger.kernel.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org References: <6f07e5c8-7916-7ea2-2fe7-d05f8f011471@nvidia.com> <77a31b2f-f525-ba9e-f1ae-2b474465bde4@gmail.com> <470b4de4-e98a-1bdc-049e-6259ad603507@nvidia.com> <79f6560e-dbb5-0ae1-49f8-cf1cd95396ec@nvidia.com> <20200427074837.GC3451400@ulmo> From: Dmitry Osipenko Message-ID: Date: Mon, 27 Apr 2020 12:52:10 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.7.0 MIME-Version: 1.0 In-Reply-To: <20200427074837.GC3451400@ulmo> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Sender: linux-i2c-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-i2c@vger.kernel.org 27.04.2020 10:48, Thierry Reding пишет: ... >> Maybe but all these other problems appear to have existed for sometime >> now. We need to fix all, but for the moment we need to figure out what's >> best for v5.7. > > To me it doesn't sound like we have a good handle on what exactly is > going on here and we're mostly just poking around. > > And even if things weren't working quite properly before, it sounds to > me like this patch actually made things worse. There is a plenty of time to work on the proper fix now. To me it sounds like you're giving up on fixing the root of the problem, sorry.