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Subject: Re: [PATCH v2 00/10] Exynos IOMMU: proper runtime PM support (use
 device dependencies)
To: Tobias Jakobi <tjakobi@math.uni-bielefeld.de>, linux-pm@vger.kernel.org,
        linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org,
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References: <1466144820-6286-1-git-send-email-m.szyprowski@samsung.com>
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Cc: Joerg Roedel <joro@8bytes.org>, Inki Dae <inki.dae@samsung.com>,
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        Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>,
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From: Marek Szyprowski <m.szyprowski@samsung.com>
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Date: Mon, 18 Jul 2016 12:32:14 +0200
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Hi Tobias,


On 2016-07-15 15:21, Tobias Jakobi wrote:
> Tobias Jakobi wrote:
>> Hello Marek,
>>
>> I've tested the patchset on 4.7-rc7 and noticed that it breaks reboot on
>> my ODROID-X2.
>>
>> Going to check where exactly things break.
> Sadly it's the last patch where everything comes together:
> "iommu/exynos: Add proper runtime pm support"
>
> I still have to check if forcing runpm status to 'on' makes a
> difference. I suspect that the aggressive clock gating might be the reason?

Thanks for testing. I will check this issue. Could you send me your .config?

Best regards
-- 
Marek Szyprowski, PhD
Samsung R&D Institute Poland