From patchwork Wed Mar 30 16:14:32 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Boris BREZILLON X-Patchwork-Id: 8700281 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 3E2739F44D for ; Wed, 30 Mar 2016 16:32:57 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 66F8A20138 for ; Wed, 30 Mar 2016 16:32:56 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id D67F420225 for ; Wed, 30 Mar 2016 16:32:53 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1alJ12-0007ba-El; Wed, 30 Mar 2016 16:30:44 +0000 Received: from down.free-electrons.com ([37.187.137.238] helo=mail.free-electrons.com) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1alImm-000835-QR; Wed, 30 Mar 2016 16:16:03 +0000 Received: by mail.free-electrons.com (Postfix, from userid 110) id ED08B1851; Wed, 30 Mar 2016 18:15:31 +0200 (CEST) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 Received: from localhost.localdomain (LMontsouris-657-1-184-87.w90-63.abo.wanadoo.fr [90.63.216.87]) by mail.free-electrons.com (Postfix) with ESMTPSA id 49221254; Wed, 30 Mar 2016 18:15:20 +0200 (CEST) From: Boris Brezillon To: David Woodhouse , Brian Norris , linux-mtd@lists.infradead.org, Boris Brezillon , Richard Weinberger Subject: [PATCH v5 17/50] mtd: docg3: switch to mtd_ooblayout_ops Date: Wed, 30 Mar 2016 18:14:32 +0200 Message-Id: <1459354505-32551-18-git-send-email-boris.brezillon@free-electrons.com> X-Mailer: git-send-email 2.5.0 In-Reply-To: <1459354505-32551-1-git-send-email-boris.brezillon@free-electrons.com> References: <1459354505-32551-1-git-send-email-boris.brezillon@free-electrons.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20160330_091601_332560_339A6CD8 X-CRM114-Status: GOOD ( 16.85 ) X-Spam-Score: -2.9 (--) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-mips@linux-mips.org, Krzysztof Kozlowski , Harvey Hunt , Nicolas Ferre , Stefan Agner , linux-sunxi@googlegroups.com, Alexandre Belloni , punnaiah choudary kalluri , Robert Jarzmik , devel@driverdev.osuosl.org, Archit Taneja , linux-samsung-soc@vger.kernel.org, Kamal Dasu , Josh Wu , Chen-Yu Tsai , Kukjin Kim , bcm-kernel-feedback-list@broadcom.com, Ezequiel Garcia , Huang Shijie , Jean-Christophe Plagniol-Villard , Haojian Zhuang , Han Xu , linux-arm-kernel@lists.infradead.org, Priit Laes , Greg Kroah-Hartman , linux-kernel@vger.kernel.org, Ralf Baechle , Wenyou Yang , Kyungmin Park , linux-api@vger.kernel.org, Maxime Ripard , Daniel Mack MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP Replace the nand_ecclayout definition by the equivalent mtd_ooblayout_ops definition. Signed-off-by: Boris Brezillon Acked-by: Robert Jarzmik --- drivers/mtd/devices/docg3.c | 46 ++++++++++++++++++++++++++++++++++----------- 1 file changed, 35 insertions(+), 11 deletions(-) diff --git a/drivers/mtd/devices/docg3.c b/drivers/mtd/devices/docg3.c index 6b516e1..b833e6c 100644 --- a/drivers/mtd/devices/docg3.c +++ b/drivers/mtd/devices/docg3.c @@ -67,16 +67,40 @@ module_param(reliable_mode, uint, 0); MODULE_PARM_DESC(reliable_mode, "Set the docg3 mode (0=normal MLC, 1=fast, " "2=reliable) : MLC normal operations are in normal mode"); -/** - * struct docg3_oobinfo - DiskOnChip G3 OOB layout - * @eccbytes: 8 bytes are used (1 for Hamming ECC, 7 for BCH ECC) - * @eccpos: ecc positions (byte 7 is Hamming ECC, byte 8-14 are BCH ECC) - * @oobfree: free pageinfo bytes (byte 0 until byte 6, byte 15 - */ -static struct nand_ecclayout docg3_oobinfo = { - .eccbytes = 8, - .eccpos = {7, 8, 9, 10, 11, 12, 13, 14}, - .oobfree = {{0, 7}, {15, 1} }, +static int docg3_ooblayout_ecc(struct mtd_info *mtd, int section, + struct mtd_oob_region *oobregion) +{ + if (section) + return -ERANGE; + + /* byte 7 is Hamming ECC, byte 8-14 are BCH ECC */ + oobregion->offset = 7; + oobregion->length = 8; + + return 0; +} + +static int docg3_ooblayout_free(struct mtd_info *mtd, int section, + struct mtd_oob_region *oobregion) +{ + if (section > 1) + return -ERANGE; + + /* free bytes: byte 0 until byte 6, byte 15 */ + if (!section) { + oobregion->offset = 0; + oobregion->length = 7; + } else { + oobregion->offset = 15; + oobregion->length = 1; + } + + return 0; +} + +static const struct mtd_ooblayout_ops nand_ooblayout_docg3_ops = { + .ecc = docg3_ooblayout_ecc, + .free = docg3_ooblayout_free, }; static inline u8 doc_readb(struct docg3 *docg3, u16 reg) @@ -1857,7 +1881,7 @@ static int __init doc_set_driver_info(int chip_id, struct mtd_info *mtd) mtd->_read_oob = doc_read_oob; mtd->_write_oob = doc_write_oob; mtd->_block_isbad = doc_block_isbad; - mtd_set_ecclayout(mtd, &docg3_oobinfo); + mtd_set_ooblayout(mtd, &nand_ooblayout_docg3_ops); mtd->oobavail = 8; mtd->ecc_strength = DOC_ECC_BCH_T;