linux-kernel - Re: arm-smmu 5000000.iommu: Cannot accommodate DMA offset for IOMMU page tables

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Date:   Wed, 14 Oct 2020 09:28:49 -0300
From:   Fabio Estevam <festevam@...il.com>
To:     Florian Fainelli <f.fainelli@...il.com>
Cc:     Jim Quinlan <james.quinlan@...adcom.com>,
        Stephen Rothwell <sfr@...b.auug.org.au>,
        abhimanyu.saini@....com, Ioana Ciornei <ioana.ciornei@....com>,
        Naresh Kamboju <naresh.kamboju@...aro.org>,
        Joerg Roedel <joro@...tes.org>,
        Robin Murphy <robin.murphy@....com>,
        Poonam Aggrwal <poonam.aggrwal@....com>,
        Rob Herring <robh@...nel.org>, Joerg Roedel <jroedel@...e.de>,
        Arnd Bergmann <arnd@...db.de>,
        Richard Weinberger <richard@....at>,
        open list <linux-kernel@...r.kernel.org>,
        lkft-triage@...ts.linaro.org,
        Linux-Next Mailing List <linux-next@...r.kernel.org>,
        linux-mtd@...ts.infradead.org,
        Miquel Raynal <miquel.raynal@...tlin.com>,
        Suram Suram <suram@....com>, masonccyang@...c.com.tw,
        Will Deacon <will@...nel.org>,
        "Z.Q. Hou" <Zhiqiang.Hou@....com>, Christoph Hellwig <hch@....de>
Subject: Re: arm-smmu 5000000.iommu: Cannot accommodate DMA offset for IOMMU
 page tables

Hi Florian,

On Sun, Oct 11, 2020 at 6:59 PM Florian Fainelli <f.fainelli@...il.com> 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

Thanks,

Fabio Estevam