From patchwork Tue Jul 3 22:00:16 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Miquel Raynal X-Patchwork-Id: 938959 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) 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=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=bootlin.com Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="cV3RzfZ2"; dkim-atps=neutral Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:e::133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 41Kz145Cn7z9s4c for ; Wed, 4 Jul 2018 08:14:00 +1000 (AEST) 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:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:References: In-Reply-To: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=x6jsUBC6mlvizUSxSV7wiCTPhkX7x7V+B6HGBczmw9U=; b=cV3RzfZ2fctCOpNc61at8qNvvh P5WaVhbOrBBeMgNgUBhfy0EhNK80FCdc19JuXEdKPrlJiDI41WB2S01SyDv9BhS1zRyTbMU2KV6re uRsiD1NNOUiTGJ6BiQ3RXFIaUMd8dQFDQu5toyeh0pxJBThEhVcyN//g7fx8WhGNj8Dt2RQqLPbVM e3+fqokmqXUMzAeyQZeVkaoQDGGSO1iYVslRdu7IAAoNjEuFDAKKA1vUmyrubtk147SAOQF1OaAvV UyFVzEhNuGlD3dR9ovb7Pty83iAX+nryY8GjUYYjuXqyhnX75MchHeHDjQtKqm00NcY7ADYYc7vnH MGPyo9rQ==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1faTYZ-0007on-W8; Tue, 03 Jul 2018 22:13:56 +0000 Received: from mail.bootlin.com ([62.4.15.54]) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1faTMH-0004Yq-Cl; Tue, 03 Jul 2018 22:01:37 +0000 Received: by mail.bootlin.com (Postfix, from userid 110) id 75FD720935; Wed, 4 Jul 2018 00:01:09 +0200 (CEST) X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on mail.bootlin.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 (unknown [91.224.148.103]) by mail.bootlin.com (Postfix) with ESMTPSA id 0532220930; Wed, 4 Jul 2018 00:01:07 +0200 (CEST) From: Miquel Raynal To: Wenyou Yang , Josh Wu , Tudor Ambarus , Boris Brezillon , Miquel Raynal , Richard Weinberger , David Woodhouse , Brian Norris , Marek Vasut , Nicolas Ferre , Alexandre Belloni , Kamal Dasu , Masahiro Yamada , Han Xu , Harvey Hunt , Vladimir Zapolskiy , Sylvain Lemieux , Xiaolei Li , Matthias Brugger , Maxime Ripard , Chen-Yu Tsai , Marc Gonzalez , Mans Rullgard , Stefan Agner Subject: [PATCH v2 19/32] mtd: rawnand: s3c2410: convert driver to nand_scan() Date: Wed, 4 Jul 2018 00:00:16 +0200 Message-Id: <20180703220029.19565-20-miquel.raynal@bootlin.com> X-Mailer: git-send-email 2.14.1 In-Reply-To: <20180703220029.19565-1-miquel.raynal@bootlin.com> References: <20180703220029.19565-1-miquel.raynal@bootlin.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20180703_150114_390523_15D59D71 X-CRM114-Status: GOOD ( 16.52 ) X-Spam-Score: -0.0 (/) X-Spam-Report: SpamAssassin version 3.4.1 on bombadil.infradead.org summary: Content analysis details: (-0.0 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at http://www.dnswl.org/, no trust [62.4.15.54 listed in list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: bcm-kernel-feedback-list@broadcom.com, linux-mediatek@lists.infradead.org, linux-mtd@lists.infradead.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 Sender: "linux-mtd" Errors-To: linux-mtd-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org Two helpers have been added to the core to make ECC-related configuration between the detection phase and the final NAND scan. Use these hooks and convert the driver to just use nand_scan() instead of both nand_scan_ident() and nand_scan_tail(). Signed-off-by: Miquel Raynal --- drivers/mtd/nand/raw/s3c2410.c | 26 +++++++++----------------- 1 file changed, 9 insertions(+), 17 deletions(-) diff --git a/drivers/mtd/nand/raw/s3c2410.c b/drivers/mtd/nand/raw/s3c2410.c index 19661c5d3220..d656ea3a9ffe 100644 --- a/drivers/mtd/nand/raw/s3c2410.c +++ b/drivers/mtd/nand/raw/s3c2410.c @@ -915,20 +915,19 @@ static void s3c2410_nand_init_chip(struct s3c2410_nand_info *info, } /** - * s3c2410_nand_update_chip - post probe update - * @info: The controller instance. - * @nmtd: The driver version of the MTD instance. + * s3c2410_nand_attach_chip - Init the ECC engine after NAND scan + * @chip: The NAND chip * - * This routine is called after the chip probe has successfully completed - * and the relevant per-chip information updated. This call ensure that + * This hook is called by the core after the identification of the NAND chip, + * once the relevant per-chip information is up to date.. This call ensure that * we update the internal state accordingly. * * The internal state is currently limited to the ECC state information. */ -static int s3c2410_nand_update_chip(struct s3c2410_nand_info *info, - struct s3c2410_nand_mtd *nmtd) +static int s3c2410_nand_attach_chip(struct nand_chip *chip) { - struct nand_chip *chip = &nmtd->chip; + struct mtd_info *mtd = nand_to_mtd(chip); + struct s3c2410_nand_info *info = s3c2410_nand_mtd_toinfo(mtd); switch (chip->ecc.mode) { @@ -1161,15 +1160,8 @@ static int s3c24xx_nand_probe(struct platform_device *pdev) mtd->dev.parent = &pdev->dev; s3c2410_nand_init_chip(info, nmtd, sets); - err = nand_scan_ident(mtd, (sets) ? sets->nr_chips : 1, NULL); - if (err) - goto exit_error; - - err = s3c2410_nand_update_chip(info, nmtd); - if (err < 0) - goto exit_error; - - err = nand_scan_tail(mtd); + nmtd->chip.controller->attach_chip = s3c2410_nand_attach_chip; + err = nand_scan(mtd, sets ? sets->nr_chips : 1); if (err) goto exit_error;