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=-2.2 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_2 autolearn=no 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 3EB9DC38A2A for ; Thu, 7 May 2020 14:12:38 +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 0E3172082E for ; Thu, 7 May 2020 14:12:38 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="nqocvMan" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0E3172082E 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:Subject:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=qfinQDiBPV83kEkLR31xeOkhznJnnMKFyWnH2zyVPsE=; b=nqocvManu/K0ee CO1F80s4NJRhNd7I/Ju6f4by6RuODvdVe/OKUtCNY79iVEwnb5uotS5ZKgBfXuqrFENPFmCeXUw6M vjswrwcJwvyx0wNCKrDFmDp1buoJbGcwPTNNAcUvgtdCvtwV/KqknIW+BQ3jExgGDXAxirySFnmGL Bz56te65ZQPhOjmB/fOdxRgP7JRXVQ/o+ua/xKXQF1LhpXGlKP1PreoZWT0RKDs6/tXX2GrflZ1cS L/+azW+Sw31AZXxsvJ6I4/SZDUC81ByPNwFZZKvUCO4jCIPuNeCn3qgLumYMXTE6G/iWLD/B02DJm OHvx2Ginynf3Ctv9yWhA==; 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 1jWhGE-00076i-UA; Thu, 07 May 2020 14:12:26 +0000 Received: from relay12.mail.gandi.net ([217.70.178.232]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jWhG7-0006zw-Tj for linux-mtd@lists.infradead.org; Thu, 07 May 2020 14:12:21 +0000 Received: from xps13 (unknown [91.224.148.103]) (Authenticated sender: miquel.raynal@bootlin.com) by relay12.mail.gandi.net (Postfix) with ESMTPSA id 0FDB2200004; Thu, 7 May 2020 14:12:13 +0000 (UTC) Date: Thu, 7 May 2020 16:12:12 +0200 From: Miquel Raynal To: Boris Brezillon Subject: Re: [PATCH v3 4/8] mtd: rawnand: Add nand_extract_bits() Message-ID: <20200507161212.40551eb5@xps13> In-Reply-To: <20200507134959.38bbcdc4@collabora.com> References: <20200507110034.14736-1-miquel.raynal@bootlin.com> <20200507110034.14736-5-miquel.raynal@bootlin.com> <20200507134959.38bbcdc4@collabora.com> Organization: Bootlin X-Mailer: Claws Mail 3.17.4 (GTK+ 2.24.32; x86_64-pc-linux-gnu) MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200507_071220_115474_F8324146 X-CRM114-Status: GOOD ( 11.08 ) 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: Mark Rutland , devicetree@vger.kernel.org, Michal Simek , Vignesh Raghavendra , Tudor Ambarus , Richard Weinberger , Rob Herring , linux-mtd@lists.infradead.org, Thomas Petazzoni , Naga Sureshkumar Relli 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 Boris Brezillon wrote on Thu, 7 May 2020 13:49:59 +0200: > On Thu, 7 May 2020 13:00:30 +0200 > Miquel Raynal wrote: > > > There are cases where ECC bytes are not byte-aligned. Indeed, BCH > > implies using a number of ECC bits, which are not always a multiple of > > 8. We then need a helper like nand_extract_bits() to extract these > > syndromes from a buffer. > > Do you plan to send a patch to make the GPMI driver use this helper? I will have a look at it. ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/