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=-2.2 required=3.0 tests=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 99858C28CBC for ; Wed, 6 May 2020 07:40:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7C52A20714 for ; Wed, 6 May 2020 07:40:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727067AbgEFHkV (ORCPT ); Wed, 6 May 2020 03:40:21 -0400 Received: from mga05.intel.com ([192.55.52.43]:36587 "EHLO mga05.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726897AbgEFHkU (ORCPT ); Wed, 6 May 2020 03:40:20 -0400 IronPort-SDR: zFFu9M223WP0/MMosOpIwwvy7gNJt+Sjab1hBN8ElUy2a5R3CuKTGRK3Tj0C2X+8rzOYhcFPvt eCRfF9dRP8pg== X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by fmsmga105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 May 2020 00:40:19 -0700 IronPort-SDR: QirAKY4LxgsJS8I4FdkzFFbfa513ClR/a4N5rxqtKlnQNz8Mz423RJZrNTJ9kiB9uoLAP3i3Ot Xtdn6vKb03ng== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.73,358,1583222400"; d="scan'208";a="251127777" Received: from linux.intel.com ([10.54.29.200]) by fmsmga008.fm.intel.com with ESMTP; 06 May 2020 00:40:18 -0700 Received: from [10.213.154.130] (ekotax-mobl.gar.corp.intel.com [10.213.154.130]) by linux.intel.com (Postfix) with ESMTP id 50A6658048A; Wed, 6 May 2020 00:40:16 -0700 (PDT) Subject: Re: [PATCH 1/4] spi: lantiq: Synchronize interrupt handlers and transfers To: Mark Brown Cc: Daniel Schwierzeck , robh@kernel.org, linux-spi@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, hauke@hauke-m.de, andriy.shevchenko@intel.com, cheol.yong.kim@intel.com, chuanhua.lei@linux.intel.com, qi-ming.wu@intel.com References: <3bf88d24b9cad9f3df1da8ed65bf55c05693b0f2.1587702428.git.eswara.kota@linux.intel.com> <310ca761-e7ae-1192-99fd-a1960697806b@gmail.com> <46f31699-e781-ae33-3ee5-d51e6940ee43@linux.intel.com> <20200429121310.GH4201@sirena.org.uk> <28f6511e-fe85-a834-1652-fd70def9ca88@linux.intel.com> <20200505112339.GC5377@sirena.org.uk> From: Dilip Kota Message-ID: Date: Wed, 6 May 2020 15:40:15 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.7.0 MIME-Version: 1.0 In-Reply-To: <20200505112339.GC5377@sirena.org.uk> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit Content-Language: en-US Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org On 5/5/2020 7:23 PM, Mark Brown wrote: > On Mon, May 04, 2020 at 06:15:47PM +0800, Dilip Kota wrote: >> On 4/29/2020 8:13 PM, Mark Brown wrote: > >> I just tried to get the history of removing workqueue in SPI driver, on >> GRX500 (earlier chipset of LGM) the SPI transfers got timedout with >> workqueues during regression testing. Once changed to threaded IRQs >> transfers are working successfully. > That doesn't really explain why though, it just explains what. I didnt find more information about it. I will work to reproduce the issue and share the detailed information sooner i get the accessibility of the SoC (because of covid19 doing wfh) Regards, Dilip