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,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 9239FC33C9E for ; Fri, 17 Jan 2020 21:44:10 +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 66E7D2072B for ; Fri, 17 Jan 2020 21:44:10 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="nE/aXwNS" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 66E7D2072B 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=Uv4fjTEY1HbNVHmA1oggTPonaRl/++sbqVgmzrWw9+E=; b=nE/aXwNSi/C563 f5VaQhXScBYm3iJq/6eLPCG5Snlpn+bJHVb1iK0LqZQrJ5TRNjFWn4jK4tdkncxNtSF27+lijN1YC mhRQXOEeRm6u27ONhNBcBaxdscNN9gnIqbSF4d6hlf/1IieOqOZ9waHrgoF7g11tnhgHGvLfYk/0o 0QRsSGTIgyOA5GEYpajgZw9NtH/97m8fa1PBsKslb3TtZPMOcOJm3XGQjLuabtjjyPtYAwxqCNetI jd1hp0l9XPRlDGpITUZ2fw0ksGD0RYqzY0fGzYFj0gAUsXXiTHfcW8LoNoSj/uvCwk3PUCRo+VlhK j/Sig1lBZ1V9Q0wOiZvQ==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1isZPK-0002Hj-GR; Fri, 17 Jan 2020 21:43:58 +0000 Received: from relay10.mail.gandi.net ([217.70.178.230]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1isZNh-0000jk-6K for linux-mtd@lists.infradead.org; Fri, 17 Jan 2020 21:42:18 +0000 Received: from xps13.lan (unknown [91.224.148.103]) (Authenticated sender: miquel.raynal@bootlin.com) by relay10.mail.gandi.net (Postfix) with ESMTPSA id 3D90E24000D; Fri, 17 Jan 2020 21:42:13 +0000 (UTC) From: Miquel Raynal To: Richard Weinberger , Vignesh Raghavendra , Tudor Ambarus , Subject: [PATCH v4 06/21] mtd: rawnand: Add an invalid ECC mode to discriminate with valid ones Date: Fri, 17 Jan 2020 22:41:36 +0100 Message-Id: <20200117214151.20767-7-miquel.raynal@bootlin.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200117214151.20767-1-miquel.raynal@bootlin.com> References: <20200117214151.20767-1-miquel.raynal@bootlin.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200117_134217_365029_8BA61FB5 X-CRM114-Status: GOOD ( 10.36 ) 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: Julien Su , Boris Brezillon , Mason Yang , Thomas Petazzoni , Miquel Raynal 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 NAND ECC modes (or providers) have their own enumeration but, unlike their algorithms counterpart, there is no invalid or uninitialized value to discriminate between an error and having chosen a no-ECC situation. Add an "invalid" entry for this purpose. Signed-off-by: Miquel Raynal Reviewed-by: Boris Brezillon --- drivers/mtd/nand/raw/nand_base.c | 2 +- include/linux/mtd/rawnand.h | 1 + 2 files changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/mtd/nand/raw/nand_base.c b/drivers/mtd/nand/raw/nand_base.c index 16b63ec0af05..7f7d704cc4f0 100644 --- a/drivers/mtd/nand/raw/nand_base.c +++ b/drivers/mtd/nand/raw/nand_base.c @@ -4784,7 +4784,7 @@ static int of_get_nand_ecc_mode(struct device_node *np) if (err < 0) return err; - for (i = 0; i < ARRAY_SIZE(nand_ecc_modes); i++) + for (i = NAND_ECC_NONE; i < ARRAY_SIZE(nand_ecc_modes); i++) if (!strcasecmp(pm, nand_ecc_modes[i])) return i; diff --git a/include/linux/mtd/rawnand.h b/include/linux/mtd/rawnand.h index b20e3b2f042d..c094408b330b 100644 --- a/include/linux/mtd/rawnand.h +++ b/include/linux/mtd/rawnand.h @@ -84,6 +84,7 @@ struct nand_chip; * Constants for ECC_MODES */ enum nand_ecc_mode { + NAND_ECC_INVALID, NAND_ECC_NONE, NAND_ECC_SOFT, NAND_ECC_HW, -- 2.20.1 ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/