From patchwork Wed Mar 30 16:14:56 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Boris Brezillon X-Patchwork-Id: 603525 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 3qZtzG22JMz9t0s for ; Thu, 31 Mar 2016 03:54:34 +1100 (AEDT) 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 1alJMo-0006h9-Ho; Wed, 30 Mar 2016 16:53:14 +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 1alInf-00006p-CY; Wed, 30 Mar 2016 16:17:01 +0000 Received: by mail.free-electrons.com (Postfix, from userid 110) id 8498A1846; Wed, 30 Mar 2016 18:16:37 +0200 (CEST) X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on mail.free-electrons.com X-Spam-Level: X-Spam-Status: No, score=-1.0 required=5.0 tests=ALL_TRUSTED,SHORTCIRCUIT, URIBL_BLOCKED shortcircuit=ham autolearn=disabled version=3.4.0 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 1232E1BB9; Wed, 30 Mar 2016 18:15:41 +0200 (CEST) From: Boris Brezillon To: David Woodhouse , Brian Norris , linux-mtd@lists.infradead.org, Boris Brezillon , Richard Weinberger Subject: [PATCH v5 41/50] mtd: nand: s3c2410: switch to mtd_ooblayout_ops Date: Wed, 30 Mar 2016 18:14:56 +0200 Message-Id: <1459354505-32551-42-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_091656_086057_2F767CB2 X-CRM114-Status: GOOD ( 15.99 ) X-Spam-Score: -2.9 (--) X-Spam-Report: SpamAssassin version 3.4.0 on bombadil.infradead.org summary: Content analysis details: (-2.9 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at http://www.dnswl.org/, no trust [37.187.137.238 listed in list.dnswl.org] -1.0 RP_MATCHES_RCVD Envelope sender domain matches handover relay domain -0.0 SPF_PASS SPF: sender matches SPF record -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: Linux MTD discussion mailing list 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-mtd" Errors-To: linux-mtd-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org Implementing the mtd_ooblayout_ops interface is the new way of exposing ECC/OOB layout to MTD users. Signed-off-by: Boris Brezillon --- drivers/mtd/nand/s3c2410.c | 32 +++++++++++++++++++++++++++----- 1 file changed, 27 insertions(+), 5 deletions(-) diff --git a/drivers/mtd/nand/s3c2410.c b/drivers/mtd/nand/s3c2410.c index 9c9397b..700c097 100644 --- a/drivers/mtd/nand/s3c2410.c +++ b/drivers/mtd/nand/s3c2410.c @@ -84,11 +84,33 @@ /* new oob placement block for use with hardware ecc generation */ +static int s3c2410_ooblayout_ecc(struct mtd_info *mtd, int section, + struct mtd_oob_region *oobregion) +{ + if (section) + return -ERANGE; + + oobregion->offset = 0; + oobregion->length = 3; + + return 0; +} + +static int s3c2410_ooblayout_free(struct mtd_info *mtd, int section, + struct mtd_oob_region *oobregion) +{ + if (section) + return -ERANGE; + + oobregion->offset = 8; + oobregion->length = 8; + + return 0; +} -static struct nand_ecclayout nand_hw_eccoob = { - .eccbytes = 3, - .eccpos = {0, 1, 2}, - .oobfree = {{8, 8}} +static const struct mtd_ooblayout_ops s3c2410_ooblayout_ops = { + .ecc = s3c2410_ooblayout_ecc, + .free = s3c2410_ooblayout_free, }; /* controller and mtd information */ @@ -919,7 +941,7 @@ static void s3c2410_nand_update_chip(struct s3c2410_nand_info *info, } else { chip->ecc.size = 512; chip->ecc.bytes = 3; - chip->ecc.layout = &nand_hw_eccoob; + mtd_set_ooblayout(nand_to_mtd(chip), &s3c2410_ooblayout_ops); } }