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=-5.2 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_SANE_2 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 AFD7CC433ED for ; Thu, 1 Apr 2021 17:58:19 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5613661001 for ; Thu, 1 Apr 2021 17:58:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236039AbhDAR6N (ORCPT ); Thu, 1 Apr 2021 13:58:13 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33002 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236720AbhDARzK (ORCPT ); Thu, 1 Apr 2021 13:55:10 -0400 Received: from bhuna.collabora.co.uk (bhuna.collabora.co.uk [IPv6:2a00:1098:0:82:1000:25:2eeb:e3e3]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 633AEC02D567; Thu, 1 Apr 2021 08:50:57 -0700 (PDT) Received: from localhost (unknown [IPv6:2a01:e0a:2c:6930:5cf4:84a1:2763:fe0d]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) (Authenticated sender: bbrezillon) by bhuna.collabora.co.uk (Postfix) with ESMTPSA id 45ACE1F4687C; Thu, 1 Apr 2021 16:50:55 +0100 (BST) Date: Thu, 1 Apr 2021 17:50:52 +0200 From: Boris Brezillon To: Manivannan Sadhasivam Cc: Miquel Raynal , richard@nod.at, vigneshr@ti.com, robh+dt@kernel.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-mtd@lists.infradead.org, linux-kernel@vger.kernel.org, Daniele.Palmas@telit.com, bjorn.andersson@linaro.org Subject: Re: [PATCH v8 3/3] mtd: rawnand: Add support for secure regions in NAND memory Message-ID: <20210401175052.1ff2bad2@collabora.com> In-Reply-To: <20210401101812.GE14052@work> References: <20210323073930.89754-1-manivannan.sadhasivam@linaro.org> <20210323073930.89754-4-manivannan.sadhasivam@linaro.org> <20210323175715.38b4740a@xps13> <20210401101812.GE14052@work> Organization: Collabora X-Mailer: Claws Mail 3.17.8 (GTK+ 2.24.32; x86_64-redhat-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org On Thu, 1 Apr 2021 15:48:12 +0530 Manivannan Sadhasivam wrote: > static int nand_isbad_bbm(struct nand_chip *chip, loff_t ofs) > { > + struct mtd_info *mtd = nand_to_mtd(chip); > + int last_page = ((mtd->erasesize - mtd->writesize) >> > + chip->page_shift) & chip->pagemask; > int ret; > > if (chip->options & NAND_NO_BBM_QUIRK) > return 0; > > /* Check if the region is secured */ > - ret = nand_check_secure_region(chip, ofs, 0); > + ret = nand_check_secure_region(chip, ofs, last_page); or just: ret = nand_check_secure_region(chip, ofs, mtd->erasesize); > if (ret) > return ret; > > > */ > >