From patchwork Mon Mar 4 22:28:36 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Miquel Raynal X-Patchwork-Id: 10838733 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 6A3F317E0 for ; Mon, 4 Mar 2019 22:32:42 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 532C22BB87 for ; Mon, 4 Mar 2019 22:32:42 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 5104C2BB9C; Mon, 4 Mar 2019 22:32:42 +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 000CA2BB64 for ; Mon, 4 Mar 2019 22:32:41 +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: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=mGPuUR3J4aV7DCFNHrvK5OjK2JYkPPpFllY3eYoUtcU=; b=id6672DMUtMJMl 9Ro+ZhQICYErPDZoEo6xeUMHdXDKoR5VPE5uNJQLxTinSYshjdMZIFtNuLbuzeVkgOlnFAvYmqyN8 8aZ+L8uSepiLSeLozM1o0u+bk8IowQsyZt4s/+DjCfmFw5x6EA5RlVj6m4ylFSIaFRg5wpOVgysBf eqYNIDcdbTSQW+D3HXxc5CeiIKk3qshASopquOgc8jWDM3glZqGDirJJg25enh/sH2rkei0kZ3C6f /XgOLFp2oQdMJIN+tiyihtObtIXeZFr3yqlbaCWLhw5PUzupp8sMIeRUV/DTYmNuccZQQddNOFfL4 NWdXFTHfWpA4zKOA0TaA==; 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 1h0w8U-0001Yg-76; Mon, 04 Mar 2019 22:32:38 +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-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 , Paul Cercueil , 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 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