From patchwork Sun Jun 24 21:27:22 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stefan Agner X-Patchwork-Id: 933987 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=devicetree-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=agner.ch Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (1024-bit key; secure) header.d=agner.ch header.i=@agner.ch header.b="TckV7yVF"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 41DQPj5xBjz9s31 for ; Mon, 25 Jun 2018 07:27:37 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751860AbeFXV1c (ORCPT ); Sun, 24 Jun 2018 17:27:32 -0400 Received: from mail.kmu-office.ch ([178.209.48.109]:37144 "EHLO mail.kmu-office.ch" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751813AbeFXV1b (ORCPT ); Sun, 24 Jun 2018 17:27:31 -0400 Received: from trochilidae.lan (unknown [IPv6:2a02:169:34d6:10::3]) by mail.kmu-office.ch (Postfix) with ESMTPSA id AA5455C1C06; Sun, 24 Jun 2018 23:27:29 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=agner.ch; s=dkim; t=1529875649; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:content-type:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=Sam56dJzffh/HgwJOXi79xAsu0HRMYX5+/Q/e7SsbuA=; b=TckV7yVF+vC0vjS+/JPM+KL3391hE0lTUf4PGLRgY7ruUadHMzKpyU6nDaA1fa1u2bGN7r 0P1PjyQv71EATgDnXK4WtAzKy9PGBeOTYW42Q1cQuV7OAHoP5m+WId8gCf4A/KLGd26q4F FN8PlMVNG6BF31/i8xNEUnj9DOQGURQ= From: Stefan Agner To: boris.brezillon@bootlin.com, dwmw2@infradead.org, computersforpeace@gmail.com, marek.vasut@gmail.com, robh+dt@kernel.org, mark.rutland@arm.com, thierry.reding@gmail.com Cc: dev@lynxeye.de, miquel.raynal@bootlin.com, richard@nod.at, marcel@ziswiler.com, krzk@kernel.org, digetx@gmail.com, benjamin.lindqvist@endian.se, jonathanh@nvidia.com, pdeschrijver@nvidia.com, pgaikwad@nvidia.com, mirza.krak@gmail.com, gaireg@gaireg.de, linux-mtd@lists.infradead.org, linux-tegra@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Stefan Agner Subject: [PATCH v8 1/6] mtd: rawnand: add Reed-Solomon error correction algorithm Date: Sun, 24 Jun 2018 23:27:22 +0200 Message-Id: <20180624212727.21672-2-stefan@agner.ch> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20180624212727.21672-1-stefan@agner.ch> References: <20180624212727.21672-1-stefan@agner.ch> X-Spamd-Result: default: False [-2.10 / 15.00]; TO_MATCH_ENVRCPT_ALL(0.00)[]; RCPT_COUNT_TWELVE(0.00)[24]; BAYES_HAM(-3.00)[100.00%]; TAGGED_RCPT(0.00)[dt]; MIME_GOOD(-0.10)[text/plain]; FROM_HAS_DN(0.00)[]; FROM_EQ_ENVFROM(0.00)[]; DKIM_SIGNED(0.00)[]; TO_DN_SOME(0.00)[]; RCVD_COUNT_ZERO(0.00)[0]; MID_CONTAINS_FROM(1.00)[]; ASN(0.00)[asn:13030, ipnet:2a02:169::/32, country:CH]; RCVD_TLS_ALL(0.00)[]; ARC_NA(0.00)[] Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Add Reed-Solomon (RS) to the enumeration of ECC algorithms. Signed-off-by: Stefan Agner Reviewed-by: Boris Brezillon Acked-by: Rob Herring --- Documentation/devicetree/bindings/mtd/nand.txt | 2 +- drivers/mtd/nand/raw/nand_base.c | 1 + include/linux/mtd/rawnand.h | 1 + 3 files changed, 3 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/mtd/nand.txt b/Documentation/devicetree/bindings/mtd/nand.txt index 8bb11d809429d..eaef8c657aa5c 100644 --- a/Documentation/devicetree/bindings/mtd/nand.txt +++ b/Documentation/devicetree/bindings/mtd/nand.txt @@ -25,7 +25,7 @@ Optional NAND chip properties: Deprecated values: "soft_bch": use "soft" and nand-ecc-algo instead - nand-ecc-algo: string, algorithm of NAND ECC. - Supported values are: "hamming", "bch". + Valid values are: "hamming", "bch", "rs". - nand-bus-width : 8 or 16 bus width if not present 8 - nand-on-flash-bbt: boolean to enable on flash bbt option if not present false diff --git a/drivers/mtd/nand/raw/nand_base.c b/drivers/mtd/nand/raw/nand_base.c index 10c4f9919850c..47e9cb9063da4 100644 --- a/drivers/mtd/nand/raw/nand_base.c +++ b/drivers/mtd/nand/raw/nand_base.c @@ -5777,6 +5777,7 @@ static int of_get_nand_ecc_mode(struct device_node *np) static const char * const nand_ecc_algos[] = { [NAND_ECC_HAMMING] = "hamming", [NAND_ECC_BCH] = "bch", + [NAND_ECC_RS] = "rs", }; static int of_get_nand_ecc_algo(struct device_node *np) diff --git a/include/linux/mtd/rawnand.h b/include/linux/mtd/rawnand.h index 3e8ec3b8a39c7..2d9cb7acbc3d8 100644 --- a/include/linux/mtd/rawnand.h +++ b/include/linux/mtd/rawnand.h @@ -121,6 +121,7 @@ enum nand_ecc_algo { NAND_ECC_UNKNOWN, NAND_ECC_HAMMING, NAND_ECC_BCH, + NAND_ECC_RS, }; /*