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=-2.3 required=3.0 tests=DKIMWL_WL_HIGH,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 0A2E8C33CB1 for ; Wed, 15 Jan 2020 09:28:59 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id C9594207FF for ; Wed, 15 Jan 2020 09:28:58 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="JyYrykEh" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C9594207FF Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=huawei.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender:Content-Type: Content-Transfer-Encoding:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:Date:Message-ID:References: To:From:Subject:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=wJ8nYRtaLlBlgF7Q59lXUkMF9zKjqN94dpvgUi9akVQ=; b=JyYrykEhrOExVScUsiOJ2jD+d lWbDl/8BzqG1IgWriAWXjXBj5Zrd+t4M4t8qDMXYKL71Cuho86yBpa1F4uO6kGd7pv8ptYTswQLMT B5pPQM61hTYPwFIyIt6DaRif/IX3RtyNF1JrvqaV/UgFz0x+tTMq4YEaPsDr8q2f4Ue73wTtd918P h+BodzBO5+OUGRNpmLPZIEzKlwCU58k2y1tjF3jVEkj7YsW6vUyXZUV674J2ycWAYVEwBqKyAqsnJ +uVQ62DyrP0OsFAl1cn5WmltKmPQSEjrisG+4J7rpHR3WcX+4EEt9FA6KfpX9ZbH6OS7noVcpaTGd FdIbYYErA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1ireyj-00075D-Pm; Wed, 15 Jan 2020 09:28:45 +0000 Received: from lhrrgout.huawei.com ([185.176.76.210] helo=huawei.com) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1ireyd-00074r-Vi for linux-mtd@lists.infradead.org; Wed, 15 Jan 2020 09:28:44 +0000 Received: from LHREML713-CAH.china.huawei.com (unknown [172.18.7.106]) by Forcepoint Email with ESMTP id 6350F9ED83CE5BC66AB3; Wed, 15 Jan 2020 09:28:36 +0000 (GMT) Received: from lhreml724-chm.china.huawei.com (10.201.108.75) by LHREML713-CAH.china.huawei.com (10.201.108.36) with Microsoft SMTP Server (TLS) id 14.3.408.0; Wed, 15 Jan 2020 09:28:36 +0000 Received: from [127.0.0.1] (10.202.226.43) by lhreml724-chm.china.huawei.com (10.201.108.75) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1713.5; Wed, 15 Jan 2020 09:28:35 +0000 Subject: Re: flash_lock issue for n25q 128mb spi nor part From: John Garry To: References: <6667f429-4732-d098-843a-7a030010f192@ti.com> <3245882.KdgdznRmvK@localhost.localdomain> <1e034044-decb-be72-9455-33f0a6f7fc12@huawei.com> Message-ID: <8ab0407a-b5ca-63ca-76a9-36ca961d20ca@huawei.com> Date: Wed, 15 Jan 2020 09:28:25 +0000 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.1.2 MIME-Version: 1.0 In-Reply-To: <1e034044-decb-be72-9455-33f0a6f7fc12@huawei.com> Content-Language: en-US X-Originating-IP: [10.202.226.43] X-ClientProxiedBy: lhreml730-chm.china.huawei.com (10.201.108.81) To lhreml724-chm.china.huawei.com (10.201.108.75) X-CFilter-Loop: Reflected X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200115_012840_170304_CFEEFB8E X-CRM114-Status: GOOD ( 11.31 ) X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: vigneshr@ti.com, chenxiang , fengsheng5@huawei.com, broonie@kernel.org, linux-mtd@lists.infradead.org, js07.lee@samsung.com Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "linux-mtd" Errors-To: linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org On 10/01/2020 11:56, John Garry wrote: > On 10/01/2020 11:51, Tudor.Ambarus@microchip.com wrote: >> On Thursday, January 9, 2020 12:36:11 PM EET John Garry wrote: >>> Apart from this issue, on another topic, is there any special reason >> >> Ups, I forgot about this. I had a patch for it, let me find it. > > ok, cool > >> >>> which we don't support status register.BP3? Is it that it is not >>> adjacent to BP2 in the register, so makes handling trickier? >> >> Jungseung worked in the past for adding BP3 support. He have just sent >> a new >> patch set for addressing this, feedback is welcomed: >> https://patchwork.ozlabs.org/project/linux-mtd/list/?series=152401 > > oh, great. I'll have a look. > > Thanks, > John Hi guys, It turns out now that we may need support a macronix part also - mx25u12835f. Do you know why flash locking is not supported yet in the kernel for macronix parts? Did no one get around to it? Or just a technical issue? Cheers, John ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/