From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 611C2C3A5A6 for ; Thu, 19 Sep 2019 19:53:44 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 2FB6420678 for ; Thu, 19 Sep 2019 19:53:44 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="X/7Tge9R" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2FB6420678 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=bootlin.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org 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-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 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-mtd" Errors-To: linux-mtd-bounces+linux-mtd=archiver.kernel.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 -- 2.20.1 ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/