linux-kernel - Re: [PATCH 2/2] [media] exynos-gsc: Fix imprecise external abort due disabled power domain

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Date:   Fri, 20 Jan 2017 10:36:46 -0300
From:   Javier Martinez Canillas <javier@....samsung.com>
To:     Marek Szyprowski <m.szyprowski@...sung.com>,
        linux-kernel@...r.kernel.org
Cc:     Inki Dae <inki.dae@...sung.com>,
        Andi Shyti <andi.shyti@...sung.com>,
        Shuah Khan <shuahkh@....samsung.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Kukjin Kim <kgene@...nel.org>,
        linux-samsung-soc@...r.kernel.org,
        Sylwester Nawrocki <s.nawrocki@...sung.com>,
        linux-media@...r.kernel.org, Krzysztof Kozlowski <krzk@...nel.org>,
        linux-arm-kernel@...ts.infradead.org,
        Ulf Hansson <ulf.hansson@...aro.org>
Subject: Re: [PATCH 2/2] [media] exynos-gsc: Fix imprecise external abort due
 disabled power domain

Hello Marek,

On 01/20/2017 05:08 AM, Marek Szyprowski wrote:

[snip]

>>
>> This seems to be caused by some needed clocks to access the power domains
>> to be gated, since I don't get these erros when passing clk_ignore_unused
>> as parameter in the kernel command line.
> 
> I think that those issues were fixes by the following patch:
> https://patchwork.kernel.org/patch/9484607/
> It still didn't reach mainline, but I hope it will go as a fix to v4.10.
> 

Argh, I missed on a first read that the patch you mentioned already marks
CLK_ACLK432_SCALER as CLK_IS_CRITICAL. So please also ignore my clk patch.

Sorry for the noise and the mess with these patches. Thought I also tested
on linux-next to see if the issue was solved there, but it seems I didn't.

Best regards,
-- 
Javier Martinez Canillas
Open Source Group
Samsung Research America