linux-kernel - Re: [PATCH RESEND v2 4/5] iommu/tegra-smmu: Rework tegra_smmu_probe

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Date:   Fri, 5 Feb 2021 01:45:57 -0800
From:   Nicolin Chen <nicoleotsuka@...il.com>
To:     Guillaume Tucker <guillaume.tucker@...labora.com>
Cc:     will@...nel.org, linux-kernel@...r.kernel.org,
        iommu@...ts.linux-foundation.org, linux-tegra@...r.kernel.org,
        jonathanh@...dia.com, vdumpa@...dia.com, thierry.reding@...il.com,
        joro@...tes.org, kernel@...labora.com,
        Dmitry Osipenko <digetx@...il.com>,
        "kernelci-results@...ups.io" <kernelci-results@...ups.io>
Subject: Re: [PATCH RESEND v2 4/5] iommu/tegra-smmu: Rework
 tegra_smmu_probe_device()

Hi Guillaume,

On Thu, Feb 04, 2021 at 09:24:23PM -0800, Nicolin Chen wrote:
> > Please let us know if you need any help debugging this issue or
> > to try a fix on this platform.
> 
> Yes, I don't have any Tegra124 platform to run. It'd be very nice
> if you can run some debugging patch (I can provide you) and a fix
> after I root cause the issue.

Would it be possible for you to run with the given debugging patch?

It'd be nicer if I can get both logs of the vanilla kernel (failing)
and the commit-reverted version (passing), each applying this patch.

Thanks in advance!
Nicolin

View attachment "0001-iommu-debug-tegra-smmu.patch" of type "text/x-diff" (2367 bytes)