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=-14.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, 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 B0D8AC433E2 for ; Mon, 7 Sep 2020 07:26:28 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (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 1B1BD20757 for ; Mon, 7 Sep 2020 07:26:28 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="I+JTj8F+" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1B1BD20757 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=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type: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:Cc:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=jbuz0TiSBpSMBPYuNY9C2Up/XNjDRIWE6/otKP2ggCU=; b=I+JTj8F+tKRSsXhxdiDkzmGb+v Odfqp3IKGEce+bXIRQB33jRPATwtme4UTYDYyaeOZaUfFfvyic5ZqjGQ6U7z47DymKKCvhclqQVBV YJQz3Ac5hPLIb8xqzjNVlRKns1XBlEk0MBVDL+gyT9mIUa15ANKmF19SoPy2mkDP1pMZF3w+hnSB4 oAdBU9Xf0js8PbCCWOqErCRSitHUTMK4pOC8LhU4n6JCEBUBYnnYIj/vFp6mOhU2t6/jFyHcoJuVY 3fb22M+RD5O2huRFh04FNP1z/s3GKeH0Cs1uV7vtyMKQj8bYfbaP59haAOAv7/vecIVNEvvGqAkCh jXROCn2A==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kFBWs-0004Hi-O7; Mon, 07 Sep 2020 07:25:30 +0000 Received: from relay5-d.mail.gandi.net ([217.70.183.197]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1kFBVf-0003Xj-J4 for linux-mtd@lists.infradead.org; Mon, 07 Sep 2020 07:24:17 +0000 X-Originating-IP: 91.224.148.103 Received: from localhost.localdomain (unknown [91.224.148.103]) (Authenticated sender: miquel.raynal@bootlin.com) by relay5-d.mail.gandi.net (Postfix) with ESMTPSA id 10C461C0018; Mon, 7 Sep 2020 07:24:13 +0000 (UTC) From: Miquel Raynal To: Miquel Raynal , Richard Weinberger , Vignesh Raghavendra , Tudor Ambarus , linux-mtd@lists.infradead.org Subject: Re: [PATCH v13 11/20] mtd: nand: Create a helper to extract the ECC configuration Date: Mon, 7 Sep 2020 09:24:13 +0200 Message-Id: <20200907072413.4910-1-miquel.raynal@bootlin.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200827085208.16276-12-miquel.raynal@bootlin.com> References: MIME-Version: 1.0 X-linux-mtd-patch-notification: thanks X-linux-mtd-patch-commit: 8f27947f2ea51f14340c5743ed6c865edaaba372 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200907_032416_673414_8BF4277D X-CRM114-Status: UNSURE ( 9.11 ) X-CRM114-Notice: Please train this message. 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: , 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 On Thu, 2020-08-27 at 08:51:59 UTC, Miquel Raynal wrote: > Despite its current name, the eccreq field actually encodes both the > NAND requirements and the final ECC configuration. That works fine when > using on-die ECC since those 2 concepts match perfectly, but it starts > being a problem as soon as we use on-host ECC engines, where we're not > guaranteed to have a perfect match. > > Let's hide the ECC configuration access behind a helper so we can later > split those 2 concepts. > > Signed-off-by: Miquel Raynal Applied to https://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux.git nand/next. Miquel ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/