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=-2.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,SPF_PASS 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 67F0CC282C0 for ; Fri, 25 Jan 2019 14:10:54 +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 335BD218D0 for ; Fri, 25 Jan 2019 14:10:54 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="UxCIAWeD"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="Q7F6Ybej" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 335BD218D0 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org 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=3uAIHCxye3cXHpxQmXciagItiW37bGyIOx09pL0CEFE=; b=UxCIAWeDCd+uyW 7HJ/cwK1dlot7RDQ1HraSm72l14hD1kTWl8y0AxS97x+uphqZhlwy67G+Cos8fnxZUcPmeF8W/JRd yIsHUOog9svbxMLVixxrOcA+aRqETCknmawxXXsKhFdRLD+oeT66XRkg+50scAiI/4vlsP5K9WtuP fQyNLe5IYcsPiYg0+4kHvTcbZWzh4WU3owGcTNB49SsYFsw4kxErHc51DipuqjO3ix49G4EmTsnvM T+ijvE4AJo7DnMF0vBN3V49cfL3AhZ5ckmNl07YZnPZoKJBlBhRmjscJuotymTn/2pCjZkVQ8PRB5 w0+BAyS3PIyTJ3aawtqA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1gn2C3-0000xj-63; Fri, 25 Jan 2019 14:10:51 +0000 Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1gn2C0-0000xP-K6 for linux-mtd@lists.infradead.org; Fri, 25 Jan 2019 14:10:49 +0000 Received: from bbrezillon (91-160-177-164.subs.proxad.net [91.160.177.164]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id AF943218CD; Fri, 25 Jan 2019 14:10:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1548425448; bh=UNLO2s3EewM4E5JjNCDksfiKbvgV32mItwnDNIQphzM=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=Q7F6Ybejo+MzzfISpq1ATobsjQHhGpFVJozguFsb7n1AxYgEha6v9l8WglSnisic7 zViYZ1RkLWtdfZ1GT71h0ao6Jbh828OA91jgWWKD2/lQMH3xtTPiIl3Is/8WTB3rLj qFvkF1RR1BchA4bxO6jfpd2DQqzjOoFn0uBTurys= Date: Fri, 25 Jan 2019 15:10:41 +0100 From: Boris Brezillon To: "Bean Huo (beanhuo)" Subject: Re: [EXT] Re: [RESEND PATCH V2 2/2] mtd: core: NAND filling block Message-ID: <20190125151041.47928c62@bbrezillon> In-Reply-To: References: <20190118233943.5f003eef@bbrezillon> <20190121134423.6c1765a3@bbrezillon> X-Mailer: Claws Mail 3.16.0 (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-20190125_061048_678369_7BFED147 X-CRM114-Status: GOOD ( 10.07 ) X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: "richard@nod.at" , "boris.brezillon@bootlin.com" , "Zoltan Szubbocsev \(zszubbocsev\)" , "linux-mtd@lists.infradead.org" , "miquel.raynal@bootlin.com" , "tglx@linutronix.de" 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 Fri, 25 Jan 2019 13:39:13 +0000 "Bean Huo (beanhuo)" wrote: > >> > > >> it is still 15 pages, page0~page14. But it is now odd pages, there > >> will one less odd pages than even pages. > > > >Why only odd pages? You did not reply to this question yet, and I really want to > >understand why. > > > > Programming only odd pages will be effective, while reducing the number of programmed pages. > This is related to the proprietary device architecture and erase procedure. > I'm clearly not happy with this explanation, but it looks like I don't have a choice here. Please add a comment explaining that this is Micron black-magic and we have no choice but to trust you on that one because it's *confidential*. I hope you're right in your analysis... ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/