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=-12.3 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_SANE_1 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 57B3FC4361B for ; Thu, 17 Dec 2020 19:12:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 02DC3239E4 for ; Thu, 17 Dec 2020 19:12:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730073AbgLQTMR (ORCPT ); Thu, 17 Dec 2020 14:12:17 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51890 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730436AbgLQTMQ (ORCPT ); Thu, 17 Dec 2020 14:12:16 -0500 Received: from mail-pl1-x633.google.com (mail-pl1-x633.google.com [IPv6:2607:f8b0:4864:20::633]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7DEBAC0617A7 for ; Thu, 17 Dec 2020 11:11:36 -0800 (PST) Received: by mail-pl1-x633.google.com with SMTP id 4so29765plk.5 for ; Thu, 17 Dec 2020 11:11:36 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=broadcom.com; s=google; h=subject:to:references:from:message-id:date:user-agent:mime-version :in-reply-to; bh=w6Y5dVodJg7NGyGrDapL29dhygM6+dpwE6U7NTYVpEw=; b=PH29CFyJ7NmEDPEhcZ4IfhjFnpwMoKiiJcH2wKmlWxzokjoy1JYGFOEqGL7B7pBG0h IEmg7mxmADzNXNT/eyoW59YkcAQZf4p0RuK9DDEXf4HOFWl9GAzUE6qTQD5ONOCdf/i3 Y6fc3TTxHBUVlrQH+hxaD8G6FM2Jg8TGGAg1I= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:references:from:message-id:date :user-agent:mime-version:in-reply-to; bh=w6Y5dVodJg7NGyGrDapL29dhygM6+dpwE6U7NTYVpEw=; b=R+EEWKnAdTw2vHcW2rr7SRmK70o/IuAnoTFA97ObDmTJ2yrNaNU3wfTl4pAuQx+vtd aZhHwX2oF2Unt2pe+gv9bbd0WSEUDLiihVDIxjJSj1BsX12uUyXFpAyql1fM3OUetWjZ 6GJM4Y5a4eOT7p8rqadtJ8DpCwGARr03bHtLvR7ZQ0KygZcl1a1hvnjVKW/EPj1hoywl qhmRC38B5tK3h+sk3ssvdeIrfaFhdyCQR9B/na2Ny00khukhN/D9gw8aaPG9RHT8p3rL qnQWp8+FODaTw5xh7N37ni/xPCVBloQTeBr/Xrhvsk13vGwmFs6sSgKfCFm5yi24++O7 XJLQ== X-Gm-Message-State: AOAM533ojWYgEQnG67zrjz6hevdNB8szdQTo5Zw+gQ5PhYSWfW5nWcYa ciDkoNx2WsrOMk+Wd6tnYEleaa4Ajp/azGh7IHDMqstmwSH1cf741vDaFH1+UioCHnTAoBMOr9m vld+kt0IXHaszG70= X-Google-Smtp-Source: ABdhPJxRZPGqiK4LSHHy1mDhb5ERt2GuK652RVIc1YuV8SPbmhNggvO8A43AEZStOSI8cVB/zq9ORQ== X-Received: by 2002:a17:90a:6486:: with SMTP id h6mr656107pjj.142.1608232295586; Thu, 17 Dec 2020 11:11:35 -0800 (PST) Received: from [10.136.50.213] ([192.19.228.250]) by smtp.gmail.com with ESMTPSA id i130sm6352463pfe.94.2020.12.17.11.11.32 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 17 Dec 2020 11:11:34 -0800 (PST) Subject: Re: [PATCH v3 5/6] i2c: iproc: handle master read request To: Rayagonda Kokatanur , Wolfram Sang , Dhananjay Phadke , Andy Shevchenko , BCM Kernel Feedback , Brendan Higgins , Florian Fainelli , linux-arm Mailing List , linux-i2c , Linux Kernel Mailing List , Lori Hikichi , Ray Jui , Scott Branden References: <38a23afc-57da-a01f-286c-15f8b3d61705@broadcom.com> <1605316659-3422-1-git-send-email-dphadke@linux.microsoft.com> <20201202143505.GA874@kunai> <23a2f2e8-06ad-c728-98eb-91b164572ba4@broadcom.com> From: Ray Jui Message-ID: <35541129-df37-fa6f-5dae-34eb34a78731@broadcom.com> Date: Thu, 17 Dec 2020 11:11:31 -0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.5.1 MIME-Version: 1.0 In-Reply-To: Content-Type: multipart/signed; protocol="application/pkcs7-signature"; micalg=sha-256; boundary="000000000000bb290d05b6adc2e2" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --000000000000bb290d05b6adc2e2 Content-Type: text/plain; charset="UTF-8" Content-Language: en-US On 12/16/2020 8:08 PM, Rayagonda Kokatanur wrote: > On Wed, Dec 2, 2020 at 11:14 PM Ray Jui wrote: >> >> >> >> On 12/2/2020 6:35 AM, Wolfram Sang wrote: >>> >>>> All review comments are scattered now, please let me know what has to be >>>> done further, >>>> Are we going to change the tasklet to irq thread ? >>>> Are we going to remove batching 64 packets if transaction > 64B and use rx >>>> fifo threshold ? >>>> >>>> I don't see any issue with current code but if it has to change we need a >>>> valid reason for the same. >>>> If nothing to be done, please acknowledge the patch. >>> >>> Valid request. Has there been any news? >>> >> >> Sorry for the delay. I just replied. > > This patch is tested and validated with all corner cases and its working. > Can we merge this and take up any improvement as part of separate patch? > I think that makes sense, and I'm okay with these patches going in as they are now. Acked-by: Ray Jui But please help to collect precise FIFO access timing (later when you have time), that would allow us to know if the current defer-to-tasklet (instead of thread) based approach makes sense or not. Thanks, Ray > Thanks, > Rayagonda > >> >> >> Thanks, >> >> Ray -- This electronic communication and the information and any files transmitted with it, or attached to it, are confidential and are intended solely for the use of the individual or entity to whom it is addressed and may contain information that is confidential, legally privileged, protected by privacy laws, or otherwise restricted from disclosure to anyone else. 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