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=-9.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 64115C3A59F for ; Mon, 26 Aug 2019 12:12:24 +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 33AC32184D for ; Mon, 26 Aug 2019 12:12:24 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="BHbivlbP"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=microchiptechnology.onmicrosoft.com header.i=@microchiptechnology.onmicrosoft.com header.b="UndrUTp2" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 33AC32184D Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=microchip.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-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=U7BqwiunU7ZyUV6GfHhTK3OU+dzKa4NoAG39icEXMCc=; b=BHbivlbPc7pU9C d6SGKLsH4wsP89EXcfU2CAYdEqnArMOd5vmJexGOc7FeK7a9NZdYpWhDepXRqUE2topbzi/KVpOPO nNacofzGJmst+lNC4e1lpLeG4KBOT4rhMJYXV5iuYcArqH8Yf9xyfUgwERxaczLg6ItEfdsRFkhpt ShoXxT+Q42Yv4+Yu6NvuAmCE5ZnH65w2D7J0mk2IAg1oi+bJF+YzwdvP2eq5DFU4nl2IR5nsyyjFN Tc4qevAX7HyZoCzmKEJjS1WvN+/2J0jB6JJPR3IBBYAsKHhl1H1/dPrJCgnQCirIaA1RslJM9Dixi VL8FRg7zGnm8E6sQYxNw==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92 #3 (Red Hat Linux)) id 1i2Dr1-0007MF-Mb; Mon, 26 Aug 2019 12:12:11 +0000 Received: from esa5.microchip.iphmx.com ([216.71.150.166]) by bombadil.infradead.org with esmtps (Exim 4.92 #3 (Red Hat Linux)) id 1i2Do8-0002ml-2O for linux-mtd@lists.infradead.org; Mon, 26 Aug 2019 12:09:18 +0000 Received-SPF: Pass (esa5.microchip.iphmx.com: domain of Tudor.Ambarus@microchip.com designates 198.175.253.82 as permitted sender) identity=mailfrom; client-ip=198.175.253.82; receiver=esa5.microchip.iphmx.com; envelope-from="Tudor.Ambarus@microchip.com"; x-sender="Tudor.Ambarus@microchip.com"; x-conformance=spf_only; x-record-type="v=spf1"; x-record-text="v=spf1 mx a:ushub1.microchip.com a:smtpout.microchip.com a:mx1.microchip.iphmx.com a:mx2.microchip.iphmx.com include:servers.mcsv.net include:mktomail.com include:spf.protection.outlook.com ~all" Received-SPF: None (esa5.microchip.iphmx.com: no sender authenticity information available from domain of postmaster@email.microchip.com) identity=helo; client-ip=198.175.253.82; receiver=esa5.microchip.iphmx.com; envelope-from="Tudor.Ambarus@microchip.com"; x-sender="postmaster@email.microchip.com"; x-conformance=spf_only Authentication-Results: esa5.microchip.iphmx.com; spf=Pass smtp.mailfrom=Tudor.Ambarus@microchip.com; spf=None smtp.helo=postmaster@email.microchip.com; dkim=pass (signature verified) header.i=@microchiptechnology.onmicrosoft.com; dmarc=pass (p=none dis=none) d=microchip.com IronPort-SDR: BfLMm0CpBFFNHxvKpMzywmsHmK4/VknBBSeV5KCIHA+WSC8gXF9ey6q8elxUrjI0fJZ8+RLcUi dix294OhckcPXkwPGBbmdif8OQL/eIn8T5eu3T5ozXme9RiPxYV3ZoSIVsmdImFTL8Y9BcpbBf HPXBMWK8wqUSGn6jj0wYm2r7VJvXC08GJR15aO3Y8xnncx1i6DaIF8rc1duRwiAGySKyeiW+B1 uCy2MB+BxldqCcInBl/Dz/OV5YehQyUoYjllB3CPDV5dWeEiNC6dWij9wcy2W0+Bi1K0q+eDIP 9lg= X-IronPort-AV: E=Sophos;i="5.64,433,1559545200"; d="scan'208";a="44989697" Received: from smtpout.microchip.com (HELO email.microchip.com) ([198.175.253.82]) by esa5.microchip.iphmx.com with ESMTP/TLS/AES256-SHA256; 26 Aug 2019 05:09:10 -0700 Received: from chn-vm-ex02.mchp-main.com (10.10.85.144) 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, 26 Aug 2019 05:09:09 -0700 Received: from NAM02-BL2-obe.outbound.protection.outlook.com (10.10.215.89) by email.microchip.com (10.10.87.72) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256) id 15.1.1713.5 via Frontend Transport; Mon, 26 Aug 2019 05:09:08 -0700 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=kpx06c0Cw613h/pNsSQOqwR6VeAV3wXIhU0b+P0s5HBMc7PvGm3PGjyIi+QjpRXo7/6Rlv4BM+k4kuM2rgseMQ7HjCZVTQy6sUcT+KQu4UcmsmzK20WUMqfIvOL0T1vhPqDVOZDZz8tLx+TQ9nwXlAcJ4WXNvTo4pW02JWlgp0O60eVzWH785C7+eKAVBXwxW6wvDYb29R9uwS6CRN1uEYH4JuuVhoA9pB4EkCevW16ocM1T86YEIhabSWCf/RobHKyAy26DBNhOvpQMNnK8xjiQzXdV1zeoNbgpjciqqf/fR6id/Oj8mqJ++4vWFcvwUZkV/f+mnxBxt/wii1UBKA== 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=Tq2hOpJWptLTtqVywO/fAs3puBGR+PG/1p698ZvjECI=; b=ZU2V1v/G4DBN/HL7E7iYeBf/9RDMqlJAOHOQ14ST4hMn7IRIjOv+Is03UUkQypEcQUszCDDDeUXlIt1hkqnsakMQaL5KwB1u99k9LiEkPX12H0qz/75ZOMacOEusIqJYsbpr+NpZMTmcQxZ1EOuvp05Oz618PWMZ3RKOmPbNhSsMFtUeNTZRB82xnX0zy6nx2YDcpk+vGYwNv3o1572JT7CR7/Y8oYDSsmzEkrj/7L//fHDj6xf9UYWrVQ42miAx7PJXF72NE9nXEnb4hW9l346A/zMNxobxBVBHYEf5ShLaHCksDJoHlUJxY+dF9kduhdeSwRblICbwFFW2CKuBzQ== 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=Tq2hOpJWptLTtqVywO/fAs3puBGR+PG/1p698ZvjECI=; b=UndrUTp2KXe2/AaCfD+tTyQsrFYEneJpUMK3j/s3VKR4HvihkpCMvWs0CYW9DxqQS+Z9ge8asbL6Nir8Sz0Mx5bi+R2Mggpk0eP1Bj2Fhn/9yoZALIVfY1zmBkX4RvPymxzkeiNoFXRw9KdB4EM0v60kfjAn3CUKOiUZWwEITj8= Received: from MN2PR11MB4448.namprd11.prod.outlook.com (52.135.39.157) by MN2PR11MB3678.namprd11.prod.outlook.com (20.178.252.94) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2199.21; Mon, 26 Aug 2019 12:09:09 +0000 Received: from MN2PR11MB4448.namprd11.prod.outlook.com ([fe80::70c3:e929:4da2:60a5]) by MN2PR11MB4448.namprd11.prod.outlook.com ([fe80::70c3:e929:4da2:60a5%7]) with mapi id 15.20.2199.021; Mon, 26 Aug 2019 12:09:09 +0000 From: To: , , , , , , Subject: [RESEND PATCH v3 19/20] mtd: spi-nor: Introduce spi_nor_get_flash_info() Thread-Topic: [RESEND PATCH v3 19/20] mtd: spi-nor: Introduce spi_nor_get_flash_info() Thread-Index: AQHVXAcPi3T8X+P9M0ynbxQOIh0BzA== Date: Mon, 26 Aug 2019 12:09:07 +0000 Message-ID: <20190826120821.16351-20-tudor.ambarus@microchip.com> References: <20190826120821.16351-1-tudor.ambarus@microchip.com> In-Reply-To: <20190826120821.16351-1-tudor.ambarus@microchip.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-clientproxiedby: VI1PR09CA0046.eurprd09.prod.outlook.com (2603:10a6:802:28::14) To MN2PR11MB4448.namprd11.prod.outlook.com (2603:10b6:208:193::29) x-ms-exchange-messagesentrepresentingtype: 1 x-mailer: git-send-email 2.9.5 x-originating-ip: [94.177.32.156] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 0fdda10c-93c0-4daf-9bda-08d72a1e3223 x-microsoft-antispam: BCL:0; PCL:0; RULEID:(2390118)(7020095)(4652040)(8989299)(4534185)(4627221)(201703031133081)(201702281549075)(8990200)(5600166)(711020)(4605104)(1401327)(2017052603328)(7193020); SRVR:MN2PR11MB3678; x-ms-traffictypediagnostic: MN2PR11MB3678: x-ms-exchange-transport-forked: True x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:1824; x-forefront-prvs: 01415BB535 x-forefront-antispam-report: SFV:NSPM; SFS:(10009020)(376002)(396003)(366004)(346002)(39860400002)(136003)(189003)(52314003)(199004)(186003)(86362001)(305945005)(2906002)(7736002)(2201001)(6486002)(6436002)(6116002)(3846002)(66556008)(66946007)(66476007)(2501003)(66446008)(64756008)(5660300002)(71190400001)(14444005)(256004)(71200400001)(1076003)(6506007)(386003)(14454004)(107886003)(316002)(99286004)(76176011)(110136005)(52116002)(2616005)(476003)(486006)(53936002)(66066001)(8676002)(8936002)(81166006)(6512007)(4326008)(25786009)(36756003)(478600001)(81156014)(102836004)(50226002)(446003)(11346002)(26005); DIR:OUT; SFP:1101; SCL:1; SRVR:MN2PR11MB3678; H:MN2PR11MB4448.namprd11.prod.outlook.com; FPR:; SPF:None; LANG:en; PTR:InfoNoRecords; MX:1; A:1; received-spf: None (protection.outlook.com: microchip.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: yaTIfTFWyG6lgNytlVh6cgjVbAHjhYvq37rhYUp4oiHCS5T8IVr6uY3Ib0wZol2XYYhKcJvLdx5+5nVm4KNCylecEQEXfyLZQ+gm3Rcn/mYZg5WbWnP/OvPKJvr0Njkje5fRavXQz90Nep/hmMsbuKXFzGmnbzIbyILywTk/r0t38MAgMaE23jZdtyhnzH87XZuFMCZ7rR/zH+1g8DrKUjfAW/dtQW1rrcFn3B417DWnnXtvfUYxQTU0mWSd/24ANuzN/reUCc3iX3zZhyJQXRiLgI5GgedStndZS6Aan3Xq2JDtgvsOcZBtm5mLJ02vnNYQ/EjR5rgshuukiL+x1Pi/duEM/p125Z5H08C1R61qgV5/FPw11nfeEqOGSBM+6F6h83sWbBEJjop07YXp9JiZk4lkuWNpAZgLV4d6jcI= MIME-Version: 1.0 X-MS-Exchange-CrossTenant-Network-Message-Id: 0fdda10c-93c0-4daf-9bda-08d72a1e3223 X-MS-Exchange-CrossTenant-originalarrivaltime: 26 Aug 2019 12:09:07.6883 (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: 930zTI0U1seAQ2V+GCsak5DnLtLHsubZOG7tYtrS6LEb+g+Ygeq3tgN4JuM8h/DqqQE9wnxsKlRlH+VhJxH9KceNFgdwFcxuVKkjoBueOTM= X-MS-Exchange-Transport-CrossTenantHeadersStamped: MN2PR11MB3678 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190826_050912_360990_0DEF929A X-CRM114-Status: GOOD ( 10.55 ) 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: Tudor.Ambarus@microchip.com Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-mtd" Errors-To: linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org From: Tudor Ambarus Dedicate a function for getting the pointer to the flash_info const struct. Trim a bit the spi_nor_scan() huge function. Signed-off-by: Tudor Ambarus Reviewed-by: Boris Brezillon --- v3: no changes drivers/mtd/spi-nor/spi-nor.c | 76 +++++++++++++++++++++++++------------------ 1 file changed, 44 insertions(+), 32 deletions(-) diff --git a/drivers/mtd/spi-nor/spi-nor.c b/drivers/mtd/spi-nor/spi-nor.c index d13317d1f372..ec70b58294ec 100644 --- a/drivers/mtd/spi-nor/spi-nor.c +++ b/drivers/mtd/spi-nor/spi-nor.c @@ -4766,10 +4766,50 @@ static int spi_nor_set_addr_width(struct spi_nor *nor) return 0; } +static const struct flash_info *spi_nor_get_flash_info(struct spi_nor *nor, + const char *name) +{ + const struct flash_info *info = NULL; + + if (name) + info = spi_nor_match_id(name); + /* Try to auto-detect if chip name wasn't specified or not found */ + if (!info) + info = spi_nor_read_id(nor); + if (IS_ERR_OR_NULL(info)) + return ERR_PTR(-ENOENT); + + /* + * If caller has specified name of flash model that can normally be + * detected using JEDEC, let's verify it. + */ + if (name && info->id_len) { + const struct flash_info *jinfo; + + jinfo = spi_nor_read_id(nor); + if (IS_ERR(jinfo)) { + return jinfo; + } else if (jinfo != info) { + /* + * JEDEC knows better, so overwrite platform ID. We + * can't trust partitions any longer, but we'll let + * mtd apply them anyway, since some partitions may be + * marked read-only, and we don't want to lose that + * information, even if it's not 100% accurate. + */ + dev_warn(nor->dev, "found %s, expected %s\n", + jinfo->name, info->name); + info = jinfo; + } + } + + return info; +} + int spi_nor_scan(struct spi_nor *nor, const char *name, const struct spi_nor_hwcaps *hwcaps) { - const struct flash_info *info = NULL; + const struct flash_info *info; struct device *dev = nor->dev; struct mtd_info *mtd = &nor->mtd; struct device_node *np = spi_nor_get_flash_node(nor); @@ -4800,37 +4840,9 @@ int spi_nor_scan(struct spi_nor *nor, const char *name, if (!nor->bouncebuf) return -ENOMEM; - if (name) - info = spi_nor_match_id(name); - /* Try to auto-detect if chip name wasn't specified or not found */ - if (!info) - info = spi_nor_read_id(nor); - if (IS_ERR_OR_NULL(info)) - return -ENOENT; - - /* - * If caller has specified name of flash model that can normally be - * detected using JEDEC, let's verify it. - */ - if (name && info->id_len) { - const struct flash_info *jinfo; - - jinfo = spi_nor_read_id(nor); - if (IS_ERR(jinfo)) { - return PTR_ERR(jinfo); - } else if (jinfo != info) { - /* - * JEDEC knows better, so overwrite platform ID. We - * can't trust partitions any longer, but we'll let - * mtd apply them anyway, since some partitions may be - * marked read-only, and we don't want to lose that - * information, even if it's not 100% accurate. - */ - dev_warn(dev, "found %s, expected %s\n", - jinfo->name, info->name); - info = jinfo; - } - } + info = spi_nor_get_flash_info(nor, name); + if (IS_ERR(info)) + return PTR_ERR(info); nor->info = info; -- 2.9.5 ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/