From patchwork Thu Sep 19 19:31:32 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Miquel Raynal X-Patchwork-Id: 1164842 X-Patchwork-Delegate: miquel.raynal@bootlin.com 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="X/7Tge9R"; dkim-atps=neutral Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:e::133]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 46Z6wp4Pj8z9s4Y for ; Fri, 20 Sep 2019 05:53:46 +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:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version: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=M1VGsGTZw84FSsqV/y5gHbsKdpLMg/B/38DDQN92e1A=; b=X/7Tge9RydaCgg 61St0QzCcKHhr5x6ePNVY2lgfH6pKAxQ18JqEa4oVxciPMR3s34GENbclt0sQKH+d6nWHvVWSCXNG n7YkYgjatRsppONzfQvyH4cq6yPHC64eMHaJOFIBxZ/6KIWICAt1JiQ0k+bX0TOiM1JoLHpuft0kL wtbxH6Asjr8UakXnMNxoL7V5TcJ1bew3G8JDaHO+mWjtFhsOcaxIM/n026bId1VW2Q3Kk1cq08HjV E25HIHy5xCodRsGl6nawjzW1uVJ/vTds6Rrx926BxL1QUqLpAezrpPELNbOMoRGxZ5+YRrp5GzoPF aj2pv2wTI0VYogSEeTdw==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.2 #3 (Red Hat Linux)) id 1iB2Uo-0006NB-Pp; Thu, 19 Sep 2019 19:53:42 +0000 Received: from relay1-d.mail.gandi.net ([217.70.183.193]) by bombadil.infradead.org with esmtps (Exim 4.92.2 #3 (Red Hat Linux)) id 1iB2Ai-0002gA-Cf; Thu, 19 Sep 2019 19:32:58 +0000 X-Originating-IP: 91.224.148.103 Received: from localhost.localdomain (unknown [91.224.148.103]) (Authenticated sender: miquel.raynal@bootlin.com) by relay1-d.mail.gandi.net (Postfix) with ESMTPSA id 26558240006; Thu, 19 Sep 2019 19:32:52 +0000 (UTC) From: Miquel Raynal To: Richard Weinberger , David Woodhouse , Brian Norris , Marek Vasut , Tudor Ambarus , Vignesh Raghavendra Subject: [PATCH v3 32/40] mtd: nand: Let on-die ECC engines be retrieved from the NAND core Date: Thu, 19 Sep 2019 21:31:32 +0200 Message-Id: <20190919193141.7865-33-miquel.raynal@bootlin.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190919193141.7865-1-miquel.raynal@bootlin.com> References: <20190919193141.7865-1-miquel.raynal@bootlin.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190919_123257_105987_4F894D49 X-CRM114-Status: UNSURE ( 9.64 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -0.7 (/) X-Spam-Report: SpamAssassin version 3.4.2 on bombadil.infradead.org summary: Content analysis details: (-0.7 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.7 RCVD_IN_DNSWL_LOW RBL: Sender listed at https://www.dnswl.org/, low trust [217.70.183.193 listed in list.dnswl.org] 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record 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 , Julien Su , Schrempf Frieder , Paul Cercueil , Boris Brezillon , linux-mtd@lists.infradead.org, Thomas Petazzoni , Miquel Raynal , Mason Yang , linux-arm-kernel@lists.infradead.org Sender: "linux-mtd" Errors-To: linux-mtd-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org Before making use of the ECC engines, we must retrieve them. Add the necessary boilerplate. Signed-off-by: Miquel Raynal --- drivers/mtd/nand/ecc.c | 6 ++++++ include/linux/mtd/nand.h | 1 + 2 files changed, 7 insertions(+) diff --git a/drivers/mtd/nand/ecc.c b/drivers/mtd/nand/ecc.c index da3aa2379b94..4f869d33213d 100644 --- a/drivers/mtd/nand/ecc.c +++ b/drivers/mtd/nand/ecc.c @@ -500,6 +500,12 @@ struct nand_ecc_engine *nand_ecc_get_sw_engine(struct nand_device *nand) } EXPORT_SYMBOL(nand_ecc_get_sw_engine); +struct nand_ecc_engine *nand_ecc_get_ondie_engine(struct nand_device *nand) +{ + return nand->ecc.ondie_engine; +} +EXPORT_SYMBOL(nand_ecc_get_ondie_engine); + MODULE_LICENSE("GPL"); MODULE_AUTHOR("Miquel Raynal "); MODULE_DESCRIPTION("Generic ECC engine"); diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h index b410ef778e52..b25d17ef9714 100644 --- a/include/linux/mtd/nand.h +++ b/include/linux/mtd/nand.h @@ -273,6 +273,7 @@ int nand_ecc_finish_io_req(struct nand_device *nand, struct nand_page_io_req *req, void *oobbuf); bool nand_ecc_correction_is_enough(struct nand_device *nand); struct nand_ecc_engine *nand_ecc_get_sw_engine(struct nand_device *nand); +struct nand_ecc_engine *nand_ecc_get_ondie_engine(struct nand_device *nand); /** * struct nand_ecc - High-level ECC object