From patchwork Thu Feb 21 13:02:05 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Miquel Raynal X-Patchwork-Id: 10824089 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 7F0A96C2 for ; Thu, 21 Feb 2019 13:03:31 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 6C10230A7F for ; Thu, 21 Feb 2019 13:03:31 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 6A13630A87; Thu, 21 Feb 2019 13:03:31 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 0DEEC30A7F for ; Thu, 21 Feb 2019 13:03:30 +0000 (UTC) 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: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:In-Reply-To:References: List-Owner; bh=ciHbiChmSZIFbtWLGqYRnehEbL2wxd0Od6jNQ/S58iU=; b=kCpdT4H1n14bE1 iN2WkZTdZGEBjGTs/HL7bgAlLNa6N7U5P8Xr4Qdkpkb/lQSmhwaS6r/i83a9HGjrpFrzMPojj8cIs SIEMObUtHVIAsyb/9s+ADu5/QsQqB1/t/uy84cQsA0SXfQxg4OEu9ufhkjs03kUv068Pyrv+1p6lr RcQZbttXmgNi8cILVsIPzPAZa68gjuGoe4r1U4bmbMTczf48ZVoGqgSNnYHdqvbf9INoI8XCBjYot jbq+17badSBAilV8BESdIahMUw1X79FZ0EPl5JTd2ywAF1xgv7lkPbglKYxnzvUKe1B+ctpscsmKP VVxBg2a0LFQFlr2ixmSg==; 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 1gwo0a-0001nd-C8; Thu, 21 Feb 2019 13:03:24 +0000 Received: from relay10.mail.gandi.net ([217.70.178.230]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1gwnzQ-0000Gk-7L; Thu, 21 Feb 2019 13:02:54 +0000 Received: from localhost.localdomain (aaubervilliers-681-1-81-190.w90-88.abo.wanadoo.fr [90.88.23.190]) (Authenticated sender: miquel.raynal@bootlin.com) by relay10.mail.gandi.net (Postfix) with ESMTPSA id BC634240017; Thu, 21 Feb 2019 13:02:07 +0000 (UTC) From: Miquel Raynal To: Boris Brezillon , Richard Weinberger , David Woodhouse , Brian Norris , Marek Vasut , Tudor Ambarus Subject: [RFC PATCH 27/27] mtd: spinand: Propagate ECC information to the MTD structure Date: Thu, 21 Feb 2019 14:02:05 +0100 Message-Id: <20190221130205.29029-1-miquel.raynal@bootlin.com> X-Mailer: git-send-email 2.19.1 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190221_050212_640223_FF2C049C X-CRM114-Status: GOOD ( 10.40 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Vignesh R , Tudor Ambarus , Julien Su , Schrempf Frieder , linux-mtd@lists.infradead.org, Thomas Petazzoni , Miquel Raynal , Mason Yang , linux-arm-kernel@lists.infradead.org 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 This is done by default in the raw NAND core (nand_base.c) but was missing in the SPI-NAND core. Without these two lines the ecc_strength and ecc_step_size values are not exported to the user through sysfs. This fix depends on recent changes and should not be backported as-is. Fixes: 7529df465248 ("mtd: nand: Add core infrastructure to support SPI NANDs") Signed-off-by: Miquel Raynal --- drivers/mtd/nand/spi/core.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/mtd/nand/spi/core.c b/drivers/mtd/nand/spi/core.c index 510a1201d6a7..15c82a51bc85 100644 --- a/drivers/mtd/nand/spi/core.c +++ b/drivers/mtd/nand/spi/core.c @@ -984,6 +984,10 @@ static int spinand_init(struct spinand_device *spinand) mtd->oobavail = ret; + /* Propagate ECC information to mtd_info */ + mtd->ecc_strength = nand->ecc.ctx.conf.strength; + mtd->ecc_step_size = nand->ecc.ctx.conf.step_size; + return 0; err_cleanup_ecc_engine: