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From: Naresh Kamboju <naresh.kamboju@linaro.org>
To: Joerg Roedel <joro@8bytes.org>
Cc: Poonam Aggrwal <poonam.aggrwal@nxp.com>,
	Rob Herring <robh@kernel.org>, Joerg Roedel <jroedel@suse.de>,
	Arnd Bergmann <arnd@arndb.de>,
	Richard Weinberger <richard@nod.at>,
	"Z.Q. Hou" <Zhiqiang.Hou@nxp.com>, Will Deacon <will@kernel.org>,
	open list <linux-kernel@vger.kernel.org>,
	lkft-triage@lists.linaro.org,
	"open list:IOMMU DRIVERS" <iommu@lists.linux-foundation.org>,
	Linux-Next Mailing List <linux-next@vger.kernel.org>,
	linux-mtd@lists.infradead.org,
	Miquel Raynal <miquel.raynal@bootlin.com>,
	Suram Suram <suram@nxp.com>,
	masonccyang@mxic.com.tw, Robin Murphy <robin.murphy@arm.com>
Subject: Re: arm-smmu 5000000.iommu: Cannot accommodate DMA offset for IOMMU page tables
Date: Fri, 9 Oct 2020 19:26:24 +0530
Message-ID: <CA+G9fYtG6Ro-NdrP89ipDyUqVVT2=_8pTvjTSeFcWr795bp8AA@mail.gmail.com> (raw)
In-Reply-To: <CA+G9fYu42j_B+Rg2nq+KKBiKLqxVEqabQ15CujyJ+o6jqRj2uQ@mail.gmail.com>

On Fri, 9 Oct 2020 at 19:24, Naresh Kamboju <naresh.kamboju@linaro.org> wrote:
>
>
>
> On Thu, 24 Sep 2020 at 15:26, Joerg Roedel <joro@8bytes.org> wrote:
> >
> > On Thu, Sep 24, 2020 at 10:36:47AM +0100, Robin Murphy wrote:
> > > Yes, the issue was introduced by one of the changes in "dma-mapping:
> > > introduce DMA range map, supplanting dma_pfn_offset", so it only existed in
> > > the dma-mapping/for-next branch anyway.
>

FYI,
The reported problem still exists on 5.9.0-rc8-next-20201009.

[    1.843814] Driver must set ecc.strength when using hardware ECC
[    1.849847] WARNING: CPU: 4 PID: 1 at
drivers/mtd/nand/raw/nand_base.c:5687 nand_scan_with_ids+0x1450/0x1470
[    1.859676] Modules linked in:
[    1.862730] CPU: 4 PID: 1 Comm: swapper/0 Not tainted
5.9.0-rc8-next-20201009 #1
[    1.870125] Hardware name: Freescale Layerscape 2088A RDB Board (DT)
[    1.876478] pstate: 40000005 (nZcv daif -PAN -UAO -TCO BTYPE=--)
[    1.882483] pc : nand_scan_with_ids+0x1450/0x1470
[    1.887183] lr : nand_scan_with_ids+0x1450/0x1470

full test log,
https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20201009/testrun/3284876/suite/linux-log-parser/test/check-kernel-warning-92014/log

> >
> > Okay, alright then.
> >

- Naresh

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Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-21 13:20 Naresh Kamboju
2020-09-21 14:51 ` Robin Murphy
2020-09-24  9:03 ` Joerg Roedel
2020-09-24  9:08   ` Robin Murphy
2020-09-24  9:25     ` Joerg Roedel
2020-09-24  9:36       ` Robin Murphy
2020-09-24  9:56         ` Joerg Roedel
2020-10-09 13:54           ` Naresh Kamboju
2020-10-09 13:56             ` Naresh Kamboju [this message]
2020-10-10 18:53               ` Stephen Rothwell
2020-10-11 20:36                 ` Jim Quinlan
2020-10-11 21:59                   ` Florian Fainelli
2020-10-14 12:28                     ` Fabio Estevam
2020-10-14 12:58                       ` Miquel Raynal
2020-10-15  7:48                 ` Christoph Hellwig
2020-10-15 18:17                   ` Florian Fainelli

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