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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id EC95CC433FE for ; Wed, 16 Mar 2022 15:55:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1357351AbiCPP4S (ORCPT ); Wed, 16 Mar 2022 11:56:18 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46112 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1349797AbiCPP4S (ORCPT ); Wed, 16 Mar 2022 11:56:18 -0400 Received: from mail-pl1-x62f.google.com (mail-pl1-x62f.google.com [IPv6:2607:f8b0:4864:20::62f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7531A5F4FC for ; Wed, 16 Mar 2022 08:55:04 -0700 (PDT) Received: by mail-pl1-x62f.google.com with SMTP id n2so2151224plf.4 for ; Wed, 16 Mar 2022 08:55:04 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=0/CrJ94TqaNXmyTFPfjBpxHH39VvVuJcaB748yr+PE4=; b=PU9Ue48X8/hZy9/1+cZ0ROnUN8cmI/3hLwf9JxIKTS2E0FGlK/mU6X7Si0yxyWChvz EqPKno21P6FIfQrmc3DEsNLa7EUqp9eTs41m1UubwX1/8BvjObth8dg2APr6xRFVPkOv 4M/6y4lCdEZFG1P1MAFn/C4D4bdijYgY0PQI62zhXLiX/TodC1zd1WXeuZG6vPpdM+Dk 2bq6y25hQrSirhcJFI8A2ARDa/UlGdpfzVRcOT25ZJYVcEDCqA76GuAp1uoBPjj8oYG8 dM2rMZnTo7UHrx+j3cLfviJ46pw35lIvl1cPifSvW1QkGt/W69AxYh54uVfNEC0CW6/V U8gA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=0/CrJ94TqaNXmyTFPfjBpxHH39VvVuJcaB748yr+PE4=; b=lsT2N3Q69FmIerfwieixAgGIXFjqRm0ELv3Kp6/sRRGOKyelgJHmjr1+g8TDtZTfu/ D7ckeMtwTHxK61qBFUMXjU+vicWl2y82QxgBV2SZxqRPzYCle2C+NilkgbfoQ6aEoYP1 DfgpwY4tHhkm6wFEexcPN4fn8WcPI3YL47mVwshUQNbFD96bV7oaYEKJKxqaeq9LJqF4 ig2cbl08kMRqCqyUsHYciSKUqsRoUcyYSRpu7JqU7D62Alei6GspvqDZsaC7xpWBvQhG unjWsP1lOYQKGgL7V+InteTAoIS65CMUz6gDCAb5R+viInI3qdm9V56T9VmN8unGV66L ipXQ== X-Gm-Message-State: AOAM532+OmDSmYHKylp9KYKjEXEd2gpdEX3PSdxcLfwLZ2mdtxBplbNW U3Vg/DY0DNGNnM6sbF/ZSFg= X-Google-Smtp-Source: ABdhPJzWo9ycpAb0FxfucGSEx3TuQGbM2XFExqWWirujFURthZj7AfTEgawOve1rKjgioqVmyl//Ng== X-Received: by 2002:a17:90a:ab08:b0:1b9:c59:82c3 with SMTP id m8-20020a17090aab0800b001b90c5982c3mr10802071pjq.95.1647446103800; Wed, 16 Mar 2022 08:55:03 -0700 (PDT) Received: from tokunori-desktop.flets-east.jp ([240b:10:2720:5500:9500:ad27:b03f:5499]) by smtp.gmail.com with ESMTPSA id x29-20020aa79a5d000000b004f0ef1822d3sm3427852pfj.128.2022.03.16.08.55.01 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 16 Mar 2022 08:55:03 -0700 (PDT) From: Tokunori Ikegami To: miquel.raynal@bootlin.com Cc: linux-mtd@lists.infradead.org, Tokunori Ikegami , Ahmad Fatoum , stable@vger.kernel.org Subject: [PATCH v4 0/3] mtd: cfi_cmdset_0002: Use chip_ready() for write on S29GL064N Date: Thu, 17 Mar 2022 00:54:52 +0900 Message-Id: <20220316155455.162362-1-ikegami.t@gmail.com> X-Mailer: git-send-email 2.32.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org As pointed out by this bug report [1], buffered writes are now broken on S29GL064N. This issue comes from a rework which switched from using chip_good() to chip_ready(), because DQ true data 0xFF is read on S29GL064N and an error returned by chip_good(). One way to solve the issue is to revert the change partially to use chip_ready for S29GL064N. [1] https://lore.kernel.org/r/b687c259-6413-26c9-d4c9-b3afa69ea124@pengutronix.de/ Fixes: dfeae1073583("mtd: cfi_cmdset_0002: Change write buffer to check correct value") Signed-off-by: Tokunori Ikegami Tested-by: Ahmad Fatoum Cc: stable@vger.kernel.org Tokunori Ikegami (3): mtd: cfi_cmdset_0002: Move and rename chip_check/chip_ready/chip_good_for_write mtd: cfi_cmdset_0002: Use chip_ready() for write on S29GL064N mtd: cfi_cmdset_0002: Add S29GL064N ID definition drivers/mtd/chips/cfi_cmdset_0002.c | 93 +++++++++++++++-------------- 1 file changed, 49 insertions(+), 44 deletions(-) -- 2.32.0