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 7AF46C433E2 for ; Mon, 7 Sep 2020 07:26:05 +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 DBB3A20757 for ; Mon, 7 Sep 2020 07:26:04 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="BIP/VLFf" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org DBB3A20757 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=H67Xc+wkFChmGM4GgaW2+/zuJk1DWEJKcipsSxMuaPY=; b=BIP/VLFfXX2wbx8lBCbkDRyynt HeIenqXq6thNa06kS7bphQMIsWabpLcn+3LPy/UZ0iIMed6x5bWSTIXH1qq43Dy35V9zqXRyTQRKY ayYsJvQSKzQdOfScSISNu5gWSUX7iI1Uo6v4OZgdWXVPzxNgL6JA3MRQ0Swf1ux62QFlxjSUAfdhW LETtn/W9GGB1oOwtwEbGnB2JIy8p/EtvNu+WhsKrXRMccYjpwXN7AAew+jzyXhHZa603HrQTB8myf Ph1sjXCi1/BGumB7OhK+qFNozV5uPH1sbhpH8jB9UaT0I8IfTacp81KOvLI3rcZQe8/FV141/8/+h WdyQcYTw==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kFBWO-0003zB-Tw; Mon, 07 Sep 2020 07:25:00 +0000 Received: from relay1-d.mail.gandi.net ([217.70.183.193]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1kFBVU-0003Pn-0s for linux-mtd@lists.infradead.org; Mon, 07 Sep 2020 07:24:05 +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 33B8F240012; Mon, 7 Sep 2020 07:24:02 +0000 (UTC) From: Miquel Raynal To: Miquel Raynal , Richard Weinberger , Vignesh Raghavendra , Tudor Ambarus , linux-mtd@lists.infradead.org Subject: Re: [PATCH v13 13/20] mtd: nand: Create helpers to set/extract the ECC requirements Date: Mon, 7 Sep 2020 09:24:01 +0200 Message-Id: <20200907072401.4753-1-miquel.raynal@bootlin.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200827085208.16276-14-miquel.raynal@bootlin.com> References: MIME-Version: 1.0 X-linux-mtd-patch-notification: thanks X-linux-mtd-patch-commit: 657132e90e75695bc2714ebb89d7f25bd498cea5 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200907_032404_163995_E4E3AB66 X-CRM114-Status: UNSURE ( 9.58 ) 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 08:52:01 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 requirements access behind helpers so we can later > split those 2 concepts. As the structures have not been clarified yet, > these helpers access the same internal variable as > nanddev_get_ecc_conf() for now. > > 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/