Message ID | 20200324060123.1533917-2-tudor.ambarus@microchip.com |
---|---|
State | Accepted |
Delegated to: | Ambarus Tudor |
Headers | show
Return-Path: <linux-mtd-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org> X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (no SPF record) smtp.mailfrom=lists.infradead.org (client-ip=2607:7c80:54:e::133; helo=bombadil.infradead.org; envelope-from=linux-mtd-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org; receiver=<UNKNOWN>) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=microchip.com Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=lists.infradead.org header.i=@lists.infradead.org header.a=rsa-sha256 header.s=bombadil.20170209 header.b=kH6qIYQA; dkim=fail reason="signature verification failed" (1024-bit key; unprotected) header.d=microchiptechnology.onmicrosoft.com header.i=@microchiptechnology.onmicrosoft.com header.a=rsa-sha256 header.s=selector2-microchiptechnology-onmicrosoft-com header.b=ZTfTDWqk; dkim-atps=neutral Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:e::133]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 48mgcY16hgz9sSH for <incoming@patchwork.ozlabs.org>; Tue, 24 Mar 2020 17:01:49 +1100 (AEDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:In-Reply-To:References: Message-ID:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=HVVLp/CF/y2xQTcsx/jlPU7lUBS7fGG/DjK9Pdcuc5o=; b=kH6qIYQAvN66Q0 DH3V6wcBUo0WQVrnqGqrxYg7A9+uip14epA8w5+b39RG8P2iKANI49fTY2P4/EL+takHVavdYjymi miuSQXUMbRmsdV4T3JR/0wRWgpZJd0GbodRA9pTpfUhTB8Re2TZseXU4+lM4asKRM36RVidsveMHt uvPSb++pzT4vZwyjSQOr8zUEhgNbvMrFG5eJ1uWFuBtLBRIwHRX5fKHD3TsZUd4y9ectcfn70pHa0 +0419lsI3N/DtL/bYPX/2D+nMgDZ1CalS8afmjIguBsUEIQxDvJYPlDGyFwUs0vO6Yt2n3eG0Yr8I ERvchn59Ft1YThSiv7xg==; 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 1jGcd5-0005Jq-OJ; Tue, 24 Mar 2020 06:01:35 +0000 Received: from esa6.microchip.iphmx.com ([216.71.154.253]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jGcd3-0005J7-1N for linux-mtd@lists.infradead.org; Tue, 24 Mar 2020 06:01:34 +0000 IronPort-SDR: ApBAlFGFCm0yPBI+/ikwse2IwLWiy1umbjdzp8xHcP2ADxkh1zE3CqxivCfvpxi/NhyOuB92Nw PbLVTOQPG4sus9Uv+P5tiD6xO8k0mf7s7gU9aNf9+/PPDhogH7GW3pvfty6wlwOfD+ZKRWQQ97 9jFwvtLWj8D+ZFG2qifR4Wjp9e4cMrLHZN5XBw0081lR/b2mRfOadFXV7zy770GXn8ciyQD7Z9 +/uk4Ap3wg6WDbHUTZI6TEx+RLEjvKf/XdCCTgQdEDvcTdMVS9TokVI0r/BLY4tYUGeFLBbn+h uAE= X-IronPort-AV: E=Sophos;i="5.72,299,1580799600"; d="scan'208";a="6755189" Received: from smtpout.microchip.com (HELO email.microchip.com) ([198.175.253.82]) by esa6.microchip.iphmx.com with ESMTP/TLS/AES256-SHA256; 23 Mar 2020 23:01:31 -0700 Received: from chn-vm-ex01.mchp-main.com (10.10.85.143) by chn-vm-ex03.mchp-main.com (10.10.85.151) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1713.5; Mon, 23 Mar 2020 23:01:30 -0700 Received: from NAM12-DM6-obe.outbound.protection.outlook.com (10.10.215.89) by email.microchip.com (10.10.87.71) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1713.5 via Frontend Transport; Mon, 23 Mar 2020 23:01:36 -0700 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=e4GyQSr105r1mm5WFtMFCyWrtrmV1a978QnVcp8DWCSK1P64KwSHk43S2EqmosCabMiBkYitcB9qS9GprTSBQeI+D19jFUEMHuJC3vF6UhyeIDH1eTROzHD1HePYOHBSBO34XXfXNGPxdZVcpDacZutxQZKJk24wvr4AMig09A5OcWgYM4IU1Pq8GCFeEWHxZwwqWlUd3ACABCOmlIaF6KyqfVkzyKFQ3cMB6oSBkKYQM2PY5ayd/Q5hrW/WI40kEkTaa6mPV/ya3bwCKVV0qDCfFoIyXXKzzftFMVS7YYnLRXD+cuxMXYSURnLOjR7NQmpLpHm4pWwBJnTl7ZNxXA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=+0yuQeRRy3PQQGWjeJjMK/VJGqKtxHXYgo07cilrldU=; b=Vlguyr9w1ePaLCDkUdpHyllasA/05RZ5BO1zld2wy7gIBGqTBdXn8WgBhXrKdd3zQTR/ZjCX9+RDyiNYq/4nM0uVJvKstsz9PJDWs5zpVaO53jIKrKHchri/d1QgqD07L8wCz1F/iA3xALCyq3cUOW4SxBUen4oN1kTcj5H95r0jOAPPreGG9jKRCB7Mo7r75UOkiR9m4fLS3ZbiZAj0SkZ5oPL4Y/3j9QTythfhRHycKaWBOtvgaVKb3acyQDExCkNEl1rBDqxLunmBe7az0Mlwm8LgSTes6DWbbU0Tf0YteI/XGaIwzagyAgJMV7XkMxF1etDSikrcOcMm0uo78A== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=microchip.com; dmarc=pass action=none header.from=microchip.com; dkim=pass header.d=microchip.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=microchiptechnology.onmicrosoft.com; s=selector2-microchiptechnology-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=+0yuQeRRy3PQQGWjeJjMK/VJGqKtxHXYgo07cilrldU=; b=ZTfTDWqkxzPCpdImpL+eFJFfNmmTlsWQMzkPCBDLWjhBQC0yZsxDtfSnGdKpbzSXMQecCFqJWCw2bAPtbeLJDOCo2YAVKji1A0bvupXPfnu7J2EDC+b0ZLJyyZQlP/p0nw4yGQ6zE8J49+RwW4TpSBzLdZKDx4iUvRihVZm+DuQ= Received: from BY5PR11MB4419.namprd11.prod.outlook.com (2603:10b6:a03:1c8::13) by BY5PR11MB4184.namprd11.prod.outlook.com (2603:10b6:a03:192::33) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2835.22; Tue, 24 Mar 2020 06:01:29 +0000 Received: from BY5PR11MB4419.namprd11.prod.outlook.com ([fe80::e918:9196:b47e:9692]) by BY5PR11MB4419.namprd11.prod.outlook.com ([fe80::e918:9196:b47e:9692%3]) with mapi id 15.20.2835.021; Tue, 24 Mar 2020 06:01:29 +0000 From: <Tudor.Ambarus@microchip.com> To: <js07.lee@samsung.com>, <michael@walle.cc>, <vigneshr@ti.com> Subject: [PATCH v4 1/4] mtd: spi-nor: Set all BP bits to one when lock_len == mtd->size Thread-Topic: [PATCH v4 1/4] mtd: spi-nor: Set all BP bits to one when lock_len == mtd->size Thread-Index: AQHWAaGoiel0WgU8gkq6RhkBtK0jqQ== Date: Tue, 24 Mar 2020 06:01:28 +0000 Message-ID: <20200324060123.1533917-2-tudor.ambarus@microchip.com> References: <20200324060123.1533917-1-tudor.ambarus@microchip.com> In-Reply-To: <20200324060123.1533917-1-tudor.ambarus@microchip.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: spf=none (sender IP is ) smtp.mailfrom=Tudor.Ambarus@microchip.com; x-originating-ip: [94.177.32.156] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: a1de56e2-b8e1-45fc-5e3e-08d7cfb8cb72 x-ms-traffictypediagnostic: BY5PR11MB4184: x-ms-exchange-transport-forked: True x-microsoft-antispam-prvs: <BY5PR11MB4184E9AE4E0C49A3C4032FE1F0F10@BY5PR11MB4184.namprd11.prod.outlook.com> x-bypassexternaltag: True x-ms-oob-tlc-oobclassifiers: OLM:5797; x-forefront-prvs: 03524FBD26 x-forefront-antispam-report: SFV:NSPM; SFS:(10009020)(376002)(39850400004)(136003)(346002)(366004)(396003)(6512007)(8936002)(86362001)(2906002)(71200400001)(316002)(478600001)(54906003)(110136005)(81166006)(186003)(26005)(2616005)(76116006)(91956017)(6506007)(66476007)(64756008)(66446008)(66556008)(36756003)(6486002)(5660300002)(1076003)(8676002)(81156014)(4326008)(107886003)(66946007); DIR:OUT; SFP:1101; SCL:1; SRVR:BY5PR11MB4184; H:BY5PR11MB4419.namprd11.prod.outlook.com; FPR:; SPF:None; LANG:en; PTR:InfoNoRecords; received-spf: None (protection.outlook.com: microchip.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam: BCL:0; x-microsoft-antispam-message-info: 4derfIaJo1CFGmy17UlXpaeSfO+Tp5lojBU/WJkBtamkU8Eip9ZVOs/FuIg2Z7UaPdgfK5ZasvszjGhsRF/zr6bBSsM4PNJNsBKr+7XJTUiuPRqTmbIMBXy3jhR3bSilS+ISHBfo/nChuw4sP9l2Mv2FN0+UdmbtCFSTuIXSa0KQyXg2hzlNjF3KquZptVM1s4BgJjfKd0MXXgPFx1MS34zPxJQTbR57dBWrrYvxzNTt21MqKc03JAgGljxiwLrHc9vNWIOtdEAnV1G+gOmT63fVj7H5ppVKn3Qrere+rMY0DhJY9k1N8Ob1omDXpizuq3g89hCavMMTSlA2z+AKO6lkH1RpFsaftwISnnuwiJepo4g6XBETLfCcA+erIeyVpLtMgqjkp+fTLsQQzYX2XLdDsfECPvIqBz9SwoMN36SF0dqdA7VLvBEh1t35HIfR x-ms-exchange-antispam-messagedata: 5Xn/bZh0CXNHtk2JNt/r42YgJjvMndPpcUrqMD6sx7n7PpwHATIskV9naY03CF2EmeXYe/dwNsLI8iUzIpqrBueNy9XvCOYfEaweI6Y+pGCqZ2XSDwofR5Wqbv7LY1YfFwRS+vxcHMmkjS2lCtIhPA== MIME-Version: 1.0 X-MS-Exchange-CrossTenant-Network-Message-Id: a1de56e2-b8e1-45fc-5e3e-08d7cfb8cb72 X-MS-Exchange-CrossTenant-originalarrivaltime: 24 Mar 2020 06:01:28.9167 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 3f4057f3-b418-4d4e-ba84-d55b4e897d88 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: kgOW+AV1wGjN0d5nGlbTgARQ2JKy7xd/kmJkK1vsqEaZsvHhFoS0IZKisX3G1lR9oxp02Rl+NLRWpfHQ0bjsWM6Kkad9oZADXkXtpifZX9A= X-MS-Exchange-Transport-CrossTenantHeadersStamped: BY5PR11MB4184 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200323_230133_134869_8512A82D X-CRM114-Status: GOOD ( 10.49 ) X-Spam-Score: -2.3 (--) X-Spam-Report: SpamAssassin version 3.4.3 on bombadil.infradead.org summary: Content analysis details: (-2.3 points) pts rule name description ---- ---------------------- -------------------------------------------------- -2.3 RCVD_IN_DNSWL_MED RBL: Sender listed at https://www.dnswl.org/, medium trust [216.71.154.253 listed in list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux MTD discussion mailing list <linux-mtd.lists.infradead.org> List-Unsubscribe: <http://lists.infradead.org/mailman/options/linux-mtd>, <mailto:linux-mtd-request@lists.infradead.org?subject=unsubscribe> List-Archive: <http://lists.infradead.org/pipermail/linux-mtd/> List-Post: <mailto:linux-mtd@lists.infradead.org> List-Help: <mailto:linux-mtd-request@lists.infradead.org?subject=help> List-Subscribe: <http://lists.infradead.org/mailman/listinfo/linux-mtd>, <mailto:linux-mtd-request@lists.infradead.org?subject=subscribe> Cc: linux-mtd@lists.infradead.org, Tudor.Ambarus@microchip.com Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-mtd" <linux-mtd-bounces@lists.infradead.org> Errors-To: linux-mtd-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org |
Series |
Add SR 4bit block protection support
|
expand
|
diff --git a/drivers/mtd/spi-nor/core.c b/drivers/mtd/spi-nor/core.c index e0021dd34bfe..bc57b1b5ec62 100644 --- a/drivers/mtd/spi-nor/core.c +++ b/drivers/mtd/spi-nor/core.c @@ -1682,13 +1682,19 @@ static int spi_nor_sr_lock(struct spi_nor *nor, loff_t ofs, uint64_t len) * * pow = ceil(log2(size / len)) = log2(size) - floor(log2(len)) */ - pow = ilog2(mtd->size) - ilog2(lock_len); - val = mask - (pow << SR_BP_SHIFT); - if (val & ~mask) - return -EINVAL; - /* Don't "lock" with no region! */ - if (!(val & mask)) - return -EINVAL; + if (lock_len == mtd->size) { + val = mask; + } else { + pow = ilog2(mtd->size) - ilog2(lock_len); + val = mask - (pow << SR_BP_SHIFT); + + if (val & ~mask) + return -EINVAL; + + /* Don't "lock" with no region! */ + if (!(val & mask)) + return -EINVAL; + } status_new = (status_old & ~mask & ~tb_mask) | val;