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=-5.3 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, 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 6CFECC433E7 for ; Wed, 14 Oct 2020 13:25:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1D5A722202 for ; Wed, 14 Oct 2020 13:25:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727782AbgJNNZV convert rfc822-to-8bit (ORCPT ); Wed, 14 Oct 2020 09:25:21 -0400 Received: from mslow2.mail.gandi.net ([217.70.178.242]:50286 "EHLO mslow2.mail.gandi.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725944AbgJNNZV (ORCPT ); Wed, 14 Oct 2020 09:25:21 -0400 Received: from relay12.mail.gandi.net (unknown [217.70.178.232]) by mslow2.mail.gandi.net (Postfix) with ESMTP id 4F3193B5E05 for ; Wed, 14 Oct 2020 12:59:18 +0000 (UTC) Received: from xps13 (unknown [91.224.148.103]) (Authenticated sender: miquel.raynal@bootlin.com) by relay12.mail.gandi.net (Postfix) with ESMTPSA id B936D200013; Wed, 14 Oct 2020 12:58:47 +0000 (UTC) Date: Wed, 14 Oct 2020 14:58:46 +0200 From: Miquel Raynal To: Fabio Estevam Cc: Florian Fainelli , Jim Quinlan , Stephen Rothwell , abhimanyu.saini@nxp.com, Ioana Ciornei , Naresh Kamboju , Joerg Roedel , Robin Murphy , Poonam Aggrwal , Rob Herring , Joerg Roedel , Arnd Bergmann , Richard Weinberger , open list , lkft-triage@lists.linaro.org, Linux-Next Mailing List , linux-mtd@lists.infradead.org, Suram Suram , masonccyang@mxic.com.tw, Will Deacon , "Z.Q. Hou" , Christoph Hellwig Subject: Re: arm-smmu 5000000.iommu: Cannot accommodate DMA offset for IOMMU page tables Message-ID: <20201014145846.613977d5@xps13> In-Reply-To: References: <20200924090349.GF27174@8bytes.org> <20200924092546.GJ27174@8bytes.org> <20200924095629.GL27174@8bytes.org> <20201011055258.22337d66@canb.auug.org.au> Organization: Bootlin X-Mailer: Claws Mail 3.17.4 (GTK+ 2.24.32; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8BIT Precedence: bulk List-ID: X-Mailing-List: linux-next@vger.kernel.org Hello, Fabio Estevam wrote on Wed, 14 Oct 2020 09:28:49 -0300: > Hi Florian, > > On Sun, Oct 11, 2020 at 6:59 PM Florian Fainelli wrote: > > > however the NAND warning still remains. Someone else familiar with these > > NXP development boards should fix the DTS so as to provide the require > > ECC strength property. > > The ECC NAND warning looks like a regression. > > I had originally reported it for an imx27 board and now I also pointed > out that it also affects Layerscape: > https://lore.kernel.org/linux-mtd/20201013193652.0c535c7c@xps13/T/#m09fad7eacdf86aee0834bbd8863d6d5ee2e69f8c I think this thread initially reported two distinct defects, one has been solved, the second one is in my hands but I couldn't find the root cause yet. I tried to reproduce, without luck, with another NAND controller. If someone has an imx based board and a NAND controller on it, I would appreciate some help. Thanks, Miquèl 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=-5.3 required=3.0 tests=BAYES_00,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 7C8B9C433E7 for ; Wed, 14 Oct 2020 12:59:36 +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 BF2A920848 for ; Wed, 14 Oct 2020 12:59:35 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="te9Xwb3+" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org BF2A920848 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: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=AJk2Ju66uUwxPT3SZ54gaOMt7wUuBnsOCSzq9ApMK5s=; b=te9Xwb3+hPdVcvrO+K6PaUMX9 gfFdxgyskUTOWRwo+U7G8UIYv1iH+oLtk9oLPyNYL7iGXWr8S8RmjuaIInIe/PDJsfSgL91/Ntd4I z+uRHnmG+Tbxee4w2zFva0TPCg1ILmPvKUIuS6qVOrj/5mtlW1WaHm9uKneEHlfJLoHn3I45aWa3w s+aoomglDrjEUxUtHggw+NIl1YGcKIWo38M2dcZprJ6JaGloFfkpeWQRNAUdFYiGKpKpQuUAG7c4W DQyUva7LW2IRyc2r7RcdgG++HwxjaR9F5GPcNq6NP+DUv/4hoLzloFDELynbl5NxRTTYGcUIYuGeH JeXK1jt1Q==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kSgMu-0008KH-Qd; Wed, 14 Oct 2020 12:59:00 +0000 Received: from relay12.mail.gandi.net ([217.70.178.232]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1kSgMr-0008J3-Jq for linux-mtd@lists.infradead.org; Wed, 14 Oct 2020 12:58:58 +0000 Received: from xps13 (unknown [91.224.148.103]) (Authenticated sender: miquel.raynal@bootlin.com) by relay12.mail.gandi.net (Postfix) with ESMTPSA id B936D200013; Wed, 14 Oct 2020 12:58:47 +0000 (UTC) Date: Wed, 14 Oct 2020 14:58:46 +0200 From: Miquel Raynal To: Fabio Estevam Subject: Re: arm-smmu 5000000.iommu: Cannot accommodate DMA offset for IOMMU page tables Message-ID: <20201014145846.613977d5@xps13> In-Reply-To: References: <20200924090349.GF27174@8bytes.org> <20200924092546.GJ27174@8bytes.org> <20200924095629.GL27174@8bytes.org> <20201011055258.22337d66@canb.auug.org.au> 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-20201014_085857_740131_9BF45D63 X-CRM114-Status: GOOD ( 14.00 ) 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: lkft-triage@lists.linaro.org, linux-mtd@lists.infradead.org, Ioana Ciornei , Will Deacon , Christoph Hellwig , abhimanyu.saini@nxp.com, Stephen Rothwell , Florian Fainelli , Richard Weinberger , Naresh Kamboju , Linux-Next Mailing List , masonccyang@mxic.com.tw, Poonam Aggrwal , Joerg Roedel , Arnd Bergmann , Rob Herring , "Z.Q. Hou" , open list , Jim Quinlan , Suram Suram , Robin Murphy , Joerg Roedel Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-mtd" Errors-To: linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org SGVsbG8sCgpGYWJpbyBFc3RldmFtIDxmZXN0ZXZhbUBnbWFpbC5jb20+IHdyb3RlIG9uIFdlZCwg MTQgT2N0IDIwMjAgMDk6Mjg6NDkKLTAzMDA6Cgo+IEhpIEZsb3JpYW4sCj4gCj4gT24gU3VuLCBP Y3QgMTEsIDIwMjAgYXQgNjo1OSBQTSBGbG9yaWFuIEZhaW5lbGxpIDxmLmZhaW5lbGxpQGdtYWls LmNvbT4gd3JvdGU6Cj4gCj4gPiBob3dldmVyIHRoZSBOQU5EIHdhcm5pbmcgc3RpbGwgcmVtYWlu cy4gU29tZW9uZSBlbHNlIGZhbWlsaWFyIHdpdGggdGhlc2UKPiA+IE5YUCBkZXZlbG9wbWVudCBi b2FyZHMgc2hvdWxkIGZpeCB0aGUgRFRTIHNvIGFzIHRvIHByb3ZpZGUgdGhlIHJlcXVpcmUKPiA+ IEVDQyBzdHJlbmd0aCBwcm9wZXJ0eS4gIAo+IAo+IFRoZSBFQ0MgTkFORCB3YXJuaW5nIGxvb2tz IGxpa2UgYSByZWdyZXNzaW9uLgo+IAo+IEkgaGFkIG9yaWdpbmFsbHkgcmVwb3J0ZWQgaXQgZm9y IGFuIGlteDI3IGJvYXJkIGFuZCBub3cgSSBhbHNvIHBvaW50ZWQKPiBvdXQgdGhhdCBpdCBhbHNv IGFmZmVjdHMgTGF5ZXJzY2FwZToKPiBodHRwczovL2xvcmUua2VybmVsLm9yZy9saW51eC1tdGQv MjAyMDEwMTMxOTM2NTIuMGM1MzVjN2NAeHBzMTMvVC8jbTA5ZmFkN2VhY2RmODZhZWUwODM0YmJk ODg2M2Q2ZDVlZTJlNjlmOGMKCkkgdGhpbmsgdGhpcyB0aHJlYWQgaW5pdGlhbGx5IHJlcG9ydGVk IHR3byBkaXN0aW5jdCBkZWZlY3RzLCBvbmUgaGFzCmJlZW4gc29sdmVkLCB0aGUgc2Vjb25kIG9u ZSBpcyBpbiBteSBoYW5kcyBidXQgSSBjb3VsZG4ndCBmaW5kIHRoZSByb290CmNhdXNlIHlldC4g SSB0cmllZCB0byByZXByb2R1Y2UsIHdpdGhvdXQgbHVjaywgd2l0aCBhbm90aGVyIE5BTkQKY29u dHJvbGxlci4gSWYgc29tZW9uZSBoYXMgYW4gaW14IGJhc2VkIGJvYXJkIGFuZCBhIE5BTkQgY29u dHJvbGxlciBvbgppdCwgSSB3b3VsZCBhcHByZWNpYXRlIHNvbWUgaGVscC4KClRoYW5rcywKTWlx dcOobAoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fCkxpbnV4IE1URCBkaXNjdXNzaW9uIG1haWxpbmcgbGlzdApodHRwOi8vbGlzdHMuaW5mcmFk ZWFkLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2xpbnV4LW10ZC8K