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=DKIM_SIGNED,DKIM_VALID, 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 C477CC2D0C3 for ; Mon, 16 Dec 2019 18:47:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9C60D21582 for ; Mon, 16 Dec 2019 18:47:34 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=cogentembedded-com.20150623.gappssmtp.com header.i=@cogentembedded-com.20150623.gappssmtp.com header.b="dZKk5Aqv" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727531AbfLPSrd (ORCPT ); Mon, 16 Dec 2019 13:47:33 -0500 Received: from mail-lj1-f195.google.com ([209.85.208.195]:43891 "EHLO mail-lj1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728339AbfLPSrb (ORCPT ); Mon, 16 Dec 2019 13:47:31 -0500 Received: by mail-lj1-f195.google.com with SMTP id a13so7921892ljm.10 for ; Mon, 16 Dec 2019 10:47:29 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cogentembedded-com.20150623.gappssmtp.com; s=20150623; h=subject:to:cc:references:from:organization:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=ZzVqpm7vISxN2XVUCXGY2m/2XgAiTT0hZi9cW/dInYQ=; b=dZKk5AqvtPHFii8jZi+8J/lePw5/aQn7GaI4xJEsfiKeEXKxrjqY7SsMgUzuGBuAnJ lhHmUXQNOUmAKADBgGGctmtIDE3s/1+6pcASqF2hFgTu8mD30bn9yMBCo9ZTLNOxljHx QYDm+2L84AhvHNfnxjn+ViFTqrOeIfMOVPu7Prn88zScJX9hR2BR2hWtwKdwQrdLAV2Q eMvufEfsfkYQJhyt6Ah6X7ItvTdP8KnIZaJQ0bHcOQ1ywCsoMJ4rdxsO8mFO1zOkOPES nuI7/rn3Hlv7CyP/TU81LEOUpC8Pqo6udw7BvliaHjOa/FSQLmOs+87UyF19Vsk+bk65 Mi/g== 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:organization :message-id:date:user-agent:mime-version:in-reply-to :content-language:content-transfer-encoding; bh=ZzVqpm7vISxN2XVUCXGY2m/2XgAiTT0hZi9cW/dInYQ=; b=XwcipWt8Pm+nHhm0lJr36MjOoRVm9b5APJD+U0JD99XYMVxEJ3n9StbF636TgMH2lK ESfjEAcdtZYpmaNnHZw5fRi4D/0aLmp/GIaYrYbq0fNjTGL3aIRKk1MVz9cmKcO0E48y RTvCgd47ILrUmPTans9L7O1Y2XweGp62E8PTRrOdu1sVY+gEX7v/+3Fkt32DT6lBqBv9 ecAPBxQ30OL39n6aafAcT2w/agaChF0n0Z60R1ANENayWNdULqLJtlm4ddJQY7G3GxBl mB+lz8p8Pl47W2kYou7MQFdKsVax4XzpirUCOWa9iSr/4q6KD3+HF4fJ3exCsxUwIZkP g59g== X-Gm-Message-State: APjAAAWNpxif+AW9mtA4D4QU6BVcC/nOeqUOHnKkUwKGev0ZLPLv9Gzn XrmDireXd5SneEAcWKUOvt+AFrfL2+c= X-Google-Smtp-Source: APXvYqwA7Ysm4UNtu9E+akNwfRxfaN3bIefRHQCWigpiGZVf0Q7o0UssOPcmwHdK6c+oVuOA9w9V3Q== X-Received: by 2002:a2e:3a12:: with SMTP id h18mr379963lja.81.1576522049068; Mon, 16 Dec 2019 10:47:29 -0800 (PST) Received: from wasted.cogentembedded.com ([2a00:1fa0:48df:e424:ff05:dd96:8970:d4c9]) by smtp.gmail.com with ESMTPSA id g27sm9427223lfj.49.2019.12.16.10.47.27 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 16 Dec 2019 10:47:28 -0800 (PST) Subject: Re: [PATCH v2 1/6] spi: Add SPIBSC driver To: Chris Brandt , Mark Brown , Rob Herring , Mark Rutland , Geert Uytterhoeven , Michael Turquette , Stephen Boyd Cc: "linux-spi@vger.kernel.org" , "devicetree@vger.kernel.org" , "linux-renesas-soc@vger.kernel.org" , "linux-clk@vger.kernel.org" , Mason Yang References: <20191206134202.18784-1-chris.brandt@renesas.com> <20191206134202.18784-2-chris.brandt@renesas.com> <37c13497-d20f-583f-72d7-1e3c8a241990@cogentembedded.com> <7386b38f-2f52-39cb-3887-e97b024ec563@cogentembedded.com> <2e3211c6-59e8-3057-66a2-29b89a353b8a@cogentembedded.com> From: Sergei Shtylyov Organization: Cogent Embedded Message-ID: Date: Mon, 16 Dec 2019 21:47:26 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.2.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-MW Content-Transfer-Encoding: 7bit Sender: linux-clk-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-clk@vger.kernel.org On 12/13/2019 11:43 PM, Chris Brandt wrote: >> The patch isn't applicable as well, and the behaviour is the same as in >> 5.2.-rc6 based >> kernel --deleted file is back after remounting, sync or not... > > Do the basic R/W operations works? > > Here is the first test I do on my platforms. After I passed this, everything > else seems to worked pretty good (writing large files). > > $ flash_eraseall -j /dev/mtd4 > $ mount -t jffs2 /dev/mtdblock4 /mnt > $ echo "hello" > /mnt/hello.txt > $ sync This works but the created file doesn't survive a remount. > If the Flash was recognized at boot, then we know that the ID command (0x9F) > at least worked. Meaning read commands were at least working (which is the > difficult one for this HW...writing is easier) BTW, during boot I'm seeing with thsi driver: spi spi0.0: setup: ignoring unsupported mode bits 800 spi-nor spi0.0: Failed to parse optional parameter table: ff81 (The 2nd message is also seen with my drivers). > Chris MBR, Sergei