Received: by 2002:ac0:bc90:0:0:0:0:0 with SMTP id a16csp319473img; Wed, 27 Mar 2019 23:59:57 -0700 (PDT) X-Google-Smtp-Source: APXvYqwMlcqQLGOF308KQe+ME3XZ1+hhfXa+B9AF294O2830EhKv+b13GcHZDm9shZDH31iuqF76 X-Received: by 2002:a17:902:d211:: with SMTP id t17mr6049528ply.214.1553756396980; Wed, 27 Mar 2019 23:59:56 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1553756396; cv=none; d=google.com; s=arc-20160816; b=O+PR81x6jToJuoScMrnfR/sTUTSsTuMxR6TC79ci4jXsw2/z5IL9yv6mhuPepjdrzG EO8qyg1UM7rnMR0CHSdbGtvQzAkvLBOz7BSABG2MW2pbuT9F0YMI1eHRF1T+LbR+yNt5 hBm7OxWBGTLtBh44Wf2M/HK8wTjiCnzQ6LWbeP2JT9OVLWQ8KU4EvIb6q4hILZFJAjct HfTVcLseL7J+0CsR3PIQaLvRdH0GHOVdx0QhllnZKaW5XUD/30xT7y9px+W7DOd9SgEN hMo81ugKiUUuujBT+4+B+H/guOgqfhwvMWU83H6dy8h3QMKRneA2NVsZ8RiDAoblpD9W rPlw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-language :content-transfer-encoding:in-reply-to:mime-version:user-agent:date :message-id:from:references:to:subject:dkim-signature; bh=bG9nur6wczXHYH79nzV+JTWbgH4BaqrOp760u6uBeeU=; b=QrFO+ZlQCKfqsm/VZdhI8WNEvZPeb8KzlRkjI9rwVby8RPZ3npZngb5PHiECPT28XR DnrVQCDU592KXjJOSnWQywKTKxCFSVKtUp7CSOyYLE/yRlUsMG17OOwHLOHaLkT2FaxC MSa6smLGnSW6oOFONJHbTDRmkCrWWQkQld19OFORQbDoER2JoswFm8R75FeN1/z1qyoh ujutSuIXCaYRft36Mx/K2fNZ5L0vT4AqvlkInI3fOSMTvuTonnl4LvO5YLEOP2ez47yt Hr1gqJPAR3WqObf2qvrgsyGVIaKh9QKaxoKkR/4qme0rTAr2naNFvkERQhwtwTUDsMXP 4GNQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@gmail.com header.s=20161025 header.b=UIrJtXqm; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 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 vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id f3si20265460pfn.122.2019.03.27.23.59.41; Wed, 27 Mar 2019 23:59:56 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20161025 header.b=UIrJtXqm; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726382AbfC1G66 (ORCPT + 99 others); Thu, 28 Mar 2019 02:58:58 -0400 Received: from mail-lf1-f45.google.com ([209.85.167.45]:46452 "EHLO mail-lf1-f45.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725948AbfC1G65 (ORCPT ); Thu, 28 Mar 2019 02:58:57 -0400 Received: by mail-lf1-f45.google.com with SMTP id r25so13155483lfn.13; Wed, 27 Mar 2019 23:58:56 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:to:references:from:message-id:date:user-agent:mime-version :in-reply-to:content-transfer-encoding:content-language; bh=bG9nur6wczXHYH79nzV+JTWbgH4BaqrOp760u6uBeeU=; b=UIrJtXqmUZtXrc/A5rksh6cvrQ0aerTQrJp8H+scTBVUkUPzQw+/CHdXR8P+QhKW5K EPk3Zqp/haV0QPtJ49BU8ZqXI2EOx1XUEvDjc4aJ9cWw1kbTddWdNOiOW16ko5MhBV3f M6zrLxFtHZV/qnK8MhOwxm4t7FRBLxhZVHY/7CVep3+SLi/964b94nwgMypKlWr81Eqa zaQMaQZM/Cjtng1AoRzadwTW3R/MNrthTHP/P9YhEsIypJuSs/CKvp9kKS9gNRlBo+pz fIgU1nSesTx33e+56yt/9oiWPNKpRuEQBWjUHR1fTiftWTwTdPknDWK63ct436AIDA80 7g9Q== 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:content-transfer-encoding :content-language; bh=bG9nur6wczXHYH79nzV+JTWbgH4BaqrOp760u6uBeeU=; b=uWSfWy9GJ6LLB4PVjaFrNk9iLadVZVTtN4WDfZjO+0PTKCqvGNUoaxHhtigM4C5a2h S4xPb+IsAevG4g7TQuPa5dztJ6Xx12okPUNk2gnteCYMWcqchBejllrS8mS+tZRmJ0EU U2skLyM/7hyDcZ6XUIU1IgM93R6mGg8b5qPI3w8SHEUdjCbTew1/dM3FDR81wg02SZvB xbw/WXAwgrAUIkvY4LTswIJUzKQPy369NGyfTqka6BytCe6UU9KcIUgWFIrqLpz4WBhT X7PATRY+kC3A61wE81QbzJGQN8KrokblNqBqa/Qbp8m0VO5ehD3/PMgrMwNYZT5CbL4C Ry+Q== X-Gm-Message-State: APjAAAV5c46tEKVR4xr0dBkuXFCgn5w9BCXcUzhgPU3nYYQCqTWZbNV7 Jnr1Qul9kERTswIOcrqbsOU= X-Received: by 2002:a19:ec17:: with SMTP id b23mr19909696lfa.76.1553756335258; Wed, 27 Mar 2019 23:58:55 -0700 (PDT) Received: from [192.168.1.10] ([95.174.107.249]) by smtp.gmail.com with ESMTPSA id l15sm1618241ljh.62.2019.03.27.23.58.53 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 27 Mar 2019 23:58:54 -0700 (PDT) Subject: Re: Issues with i.MX SPI DMA transfers To: Aisheng Dong , "linux-kernel@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" , "linux-spi@vger.kernel.org" , dl-linux-imx , Fabio Estevam , Pengutronix Kernel Team , Sascha Hauer , Shawn Guo , Mark Brown , "dmaengine@vger.kernel.org" , Vinod Koul , Dan Williams , Andy Duan , Han Xu , Robin Gong , Clark Wang References: <08fcbd65-510f-84f8-d6d6-ff56aa9ca9ad@gmail.com> From: Igor Plyatov Message-ID: Date: Thu, 28 Mar 2019 09:58:52 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.5.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Content-Language: en-US Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Dear developers, I have update about these issues. 12 hours testing show very fast (some seconds) appearance of byte duplication at interface spi4 (alias for ecspi5), while interfaces spi0 (alias for ecspi1) and spi1 (alias for ecspi2) work flawless (at least without any other OS load). Looks like, ecspi5 has some different configuration in SPI or SDMA drivers or bug in SDMA script. Any ideas? Best wishes. -- Igor Plyatov