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=-9.0 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_PASS,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 CAA96C43381 for ; Mon, 4 Mar 2019 22:32:54 +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 74DE920823 for ; Mon, 4 Mar 2019 22:32:54 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="mzdsvUo5" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 74DE920823 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=PJGZBlyUVypzxXpXj7X3xyCvxf2v8aaJfxtYwHqecQk=; b=mzdsvUo5pL6Ryo Z+aqSeKsxWdmIbMn/2bM9r8w0sHgQFxb8zdcN7OwBfM2NxpQdFehXrZLjql/Lg+bu3b2J/8RSsA4D 5gAwvTOC+npb7gtoKzLyMCYACi2z5HQg6nqhwhUhQVsZmsLYTQsl51XYjFztPeAm4yECr0L39LEcc u1Ll+DgZW10Gd7iGeOPDYYMcg029Z3ZDsZF6R0oa4Vo39pREaXSgX4V4tckZeUIqrjx/RvKliqHaH b25zMK713nG02nxDuWYK1NNHxZ+lBwzDyy2dqUxhjljZZPlgAZGitsy61PavzuER075YrHNl1QHbS Xr+QcZUY0p6+u4ddWgkA==; 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 1h0w8g-0001qL-Tn; Mon, 04 Mar 2019 22:32:50 +0000 Received: from relay1-d.mail.gandi.net ([217.70.183.193]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1h0w7R-0000CG-HP; Mon, 04 Mar 2019 22:31:55 +0000 X-Originating-IP: 90.5.42.199 Received: from localhost.localdomain (atoulouse-657-1-1088-199.w90-5.abo.wanadoo.fr [90.5.42.199]) (Authenticated sender: miquel.raynal@bootlin.com) by relay1-d.mail.gandi.net (Postfix) with ESMTPSA id E05C8240003; Mon, 4 Mar 2019 22:31:26 +0000 (UTC) From: Miquel Raynal To: Boris Brezillon , Richard Weinberger , David Woodhouse , Brian Norris , Marek Vasut , Tudor Ambarus Subject: [PATCH v2 31/36] mtd: nand: Let on-die ECC engines be retrieved from the NAND core Date: Mon, 4 Mar 2019 23:28:36 +0100 Message-Id: <20190304222841.13899-32-miquel.raynal@bootlin.com> X-Mailer: git-send-email 2.19.1 In-Reply-To: <20190304222841.13899-1-miquel.raynal@bootlin.com> References: <20190304222841.13899-1-miquel.raynal@bootlin.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190304_143134_089688_45B5C6CE X-CRM114-Status: GOOD ( 10.10 ) 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: Vignesh R , Tudor Ambarus , Julien Su , Schrempf Frieder , Paul Cercueil , 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 boilerplate for the on-die ones. Signed-off-by: Miquel Raynal --- drivers/mtd/nand/ecc/engine.c | 6 ++++++ include/linux/mtd/nand.h | 1 + 2 files changed, 7 insertions(+) diff --git a/drivers/mtd/nand/ecc/engine.c b/drivers/mtd/nand/ecc/engine.c index 4345124e01bf..2464b7dea062 100644 --- a/drivers/mtd/nand/ecc/engine.c +++ b/drivers/mtd/nand/ecc/engine.c @@ -470,6 +470,12 @@ 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 c68060cebc86..3498d22fe893 100644 --- a/include/linux/mtd/nand.h +++ b/include/linux/mtd/nand.h @@ -248,6 +248,7 @@ 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 -- 2.19.1 ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/