From patchwork Thu Sep 19 19:31:05 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Miquel Raynal X-Patchwork-Id: 11153101 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id A1D1A17E6 for ; Thu, 19 Sep 2019 19:38:33 +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 8036821907 for ; Thu, 19 Sep 2019 19:38:33 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="vB2D+mlR" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8036821907 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-arm-kernel-bounces+patchwork-linux-arm=patchwork.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=lPJfISV1CbxBM3AIAfoH/QtZBV6IL+uFmHioT2DlnTo=; b=vB2D+mlRa5PC31 ENNAZBNbS6Gi+94Sgudz0ofRspXYWTLzE8a2g5BQGVMsWmAluZmQhoCssBl9d3D7i8Xnn0Vo4ffyg waIaV+hZJTZjULvRCicbmeg73EnHlOf0Xdy/rmB49qwh1W+jn1IhB8peytbTgj6vPK5vYLfN/r6UL OmheOVgHdbQwGuzjvU2PFSyIwSwqyvsVftLpb2t+PQEGDH9FNjxpHzYsLXJ37bJMJKsn5GNE4ER+t hdT4KRouYDvexUk4MR9+xUZQQC6hwFYmBxqORVcwLE2cQbVFMJErQMH3oRUWE06/PncdrPyM89/xx 4OdLhSUaiZL1y7cygP6Q==; 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 1iB2G7-0006Dj-5k; Thu, 19 Sep 2019 19:38:31 +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 1iB29o-0001u7-6n; Thu, 19 Sep 2019 19:32:01 +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 008C7240006; Thu, 19 Sep 2019 19:31:55 +0000 (UTC) From: Miquel Raynal To: Richard Weinberger , David Woodhouse , Brian Norris , Marek Vasut , Tudor Ambarus , Vignesh Raghavendra Subject: [PATCH v3 05/40] mtd: rawnand: Create a new enumeration to describe properly ECC types Date: Thu, 19 Sep 2019 21:31:05 +0200 Message-Id: <20190919193141.7865-6-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_123200_542663_FB718C5B X-CRM114-Status: GOOD ( 10.89 ) 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-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: 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-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Now that the misleading mix between ECC engine type and OOB placement has been addressed, add a new enumeration to properly define ECC types (also called provider or mode). Signed-off-by: Miquel Raynal Reviewed-by: Boris Brezillon --- drivers/mtd/nand/raw/nand_base.c | 7 +++++++ include/linux/mtd/rawnand.h | 16 ++++++++++++++++ 2 files changed, 23 insertions(+) diff --git a/drivers/mtd/nand/raw/nand_base.c b/drivers/mtd/nand/raw/nand_base.c index 9a05ebfc44d1..00a261284aad 100644 --- a/drivers/mtd/nand/raw/nand_base.c +++ b/drivers/mtd/nand/raw/nand_base.c @@ -4842,6 +4842,13 @@ static const char * const nand_ecc_modes[] = { [NAND_ECC_ON_DIE] = "on-die", }; +static const char * const nand_ecc_engine_providers[] = { + [NAND_NO_ECC_ENGINE] = "none", + [NAND_SOFT_ECC_ENGINE] = "soft", + [NAND_HW_ECC_ENGINE] = "hw", + [NAND_ON_DIE_ECC_ENGINE] = "on-die", +}; + static const char * const nand_ecc_engine_oob_placement[] = { [NAND_ECC_SYNDROME_OOB_PLACEMENT] = "hw_syndrome", [NAND_ECC_OOB_FIRST_PLACEMENT] = "hw_oob_first", diff --git a/include/linux/mtd/rawnand.h b/include/linux/mtd/rawnand.h index 1b462fb2ab77..23feab162bc2 100644 --- a/include/linux/mtd/rawnand.h +++ b/include/linux/mtd/rawnand.h @@ -93,6 +93,22 @@ enum nand_ecc_mode { NAND_ECC_ON_DIE, }; +/** + * enum nand_ecc_engine_type - NAND ECC engine type/provider + * @NAND_INVALID_ECC_ENGINE: Invalid value + * @NAND_NO_ECC_ENGINE: No ECC correction + * @NAND_SOFT_ECC_ENGINE: Software ECC correction + * @NAND_HW_ECC_ENGINE: Hardware (controller side) ECC correction + * @NAND_ON_DIE_ECC_ENGINE: Hardware (chip side) ECC correction + */ +enum nand_ecc_engine_type { + NAND_INVALID_ECC_ENGINE, + NAND_NO_ECC_ENGINE, + NAND_SOFT_ECC_ENGINE, + NAND_HW_ECC_ENGINE, + NAND_ON_DIE_ECC_ENGINE, +}; + /** * enum nand_ecc_engine_oob_placement - NAND ECC engine OOB placement * @NAND_ECC_DEFAULT_OOB_PLACEMENT: Standard layout, or not specified