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=-0.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS 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 B050FC10F0B for ; Thu, 18 Apr 2019 06:30:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7572C214DA for ; Thu, 18 Apr 2019 06:30:34 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="tyMTGL9+" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388104AbfDRGad (ORCPT ); Thu, 18 Apr 2019 02:30:33 -0400 Received: from mail-lf1-f42.google.com ([209.85.167.42]:35122 "EHLO mail-lf1-f42.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726581AbfDRGad (ORCPT ); Thu, 18 Apr 2019 02:30:33 -0400 Received: by mail-lf1-f42.google.com with SMTP id j20so725291lfh.2; Wed, 17 Apr 2019 23:30:31 -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-transfer-encoding:content-language; bh=/8tISv3+dwO4wXuT3aBhX4D2Yc2gI6zorv3zXPymse4=; b=tyMTGL9+P1JncNTXFkC+lERqol2gKONuJwOC9gah9PaJPB579Q/OX8i1B2x2RAYeN8 U8WSAe7AESJbX3dyueJGQ9R0G0qVEr73DL1mildr6QoN++9pEasemtL0J08wUkTBCRxw mRNn7cEfCCzd3dT2wcj2p2XZ4RZoSblUIwr6AMuujW1eXVL5GCbsJj33AzpzGKf5OYqI MOS2UXcDfNAzdHdZz5jt6kj6pjHlWGDg3jUHF8/AOf8Or4XuP+oWAzQuamlHADgcLyH8 YagrF+Yg+UTeh5zvgQ6BoLi571/H6oQZXWuEbhbbBb/ets3Q6EM/bkfDmf7CxsS2/4Xn MUug== 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-transfer-encoding :content-language; bh=/8tISv3+dwO4wXuT3aBhX4D2Yc2gI6zorv3zXPymse4=; b=dO8pDHOgRcc3vgjatLuKGdzrtzIij336/wc4H3Euf3gwpg/q8MrwmPMYHt1FEgxllz +OM4FE4/NO25rZQVkbN2UU/bKGUBHjIuKWYMrj0wuZ2BwKs6+UkIy5LpcQ0/HgBM/rbe gt2dAPX9EJxHIAFNFuEdwWqfQg7Z/oKXdfwUerYwjsuvSZrWUDsZ1U9pIvgi/+2G/ZEQ Reb127SwBZcvKOB5NtBLz1eUreDlECQRWiYZo+KE2JMR4i1Al6qxqoFSuDGscsBydIVH WiHjdpl9dF0bJSJE1KWJStKyp/j4HpMoKw2KfnY6wLnhKXDGyfCJpUU+3cMiKeRKvOT0 pcPA== X-Gm-Message-State: APjAAAXNk+L52VtK6Wi91AT3t1gecO4G+d6Be2yWDjVsKpOwOeZ3FEWv AQ8zBZOS19wH95nHWn5cXpA= X-Google-Smtp-Source: APXvYqxBDQHhyd3NEcJI9VzhI+Zm+sCpEWBEM0dSD3lJN5z7hkLhDu2TTKEEbSSrbyxR+SfD9LMQaw== X-Received: by 2002:ac2:4551:: with SMTP id j17mr21174278lfm.141.1555569030929; Wed, 17 Apr 2019 23:30:30 -0700 (PDT) Received: from [192.168.1.10] ([95.174.107.249]) by smtp.gmail.com with ESMTPSA id i66sm209262lji.43.2019.04.17.23.30.29 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 17 Apr 2019 23:30:29 -0700 (PDT) Subject: Re: Issues with i.MX SPI DMA transfers To: Robin Gong Cc: =?UTF-8?Q?Uwe_Kleine-K=c3=b6nig?= , "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 , Clark Wang References: <08fcbd65-510f-84f8-d6d6-ff56aa9ca9ad@gmail.com> <20190328065247.uz73lap7ljf5q3tb@pengutronix.de> <95df9334-3d0c-7d13-e431-5a4aa2b9907e@gmail.com> From: Igor Plyatov Message-ID: Date: Thu, 18 Apr 2019 09:30:28 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.6.1 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 Robin, > Hi Igor, > Did you meet any issue with my latest patch? sorry, but unfortunately I have no time to test it. I have switched to PIO mode and continue other development. Maybe later I will find time to test DMA mode, but not sure when. Thank you for support! -- Igor Plyatov >> -----Original Message----- >> From: Robin Gong >> Sent: April 9, 2019 11:26> >> Hi Igor, >> Please have a try with the attached patches, and revert 25aaa75df1e6, >> ad0d92d7ba6a , dd4b487b32a3, df07101e1c4a before apply. Besides XCH, tx >> thresh should be set to 0 , now no failure caught on ecspi5. >>