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

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Hello Marek,

On 01/20/2017 05:37 AM, Marek Szyprowski wrote:

[snip]

>>   I'll post a proper patch for the exynos5800.dtsi, to override the
>> clocks in the gsc_pd device node.
>>
>> I also see that the two power domains that fail to be disabled msc_pd
>> (power-domain@10044120) and isp_pd (power-domain@10044020) don't have
>> clocks defined in the exynos54xx.dtsi. I'll add clocks for those too.
> 
> Please send this patch instead of adding more clocks to the power domains.
> This way we will avoid adding more dependencies to userspace (DT ABI).
> Likely those clocks are also needed to access any device in that power
> domains.
> 
> Later, once the runtime PM for clocks get merged, a patch for exynos542x
> clocks driver can be made to replace IS_CRITICAL with proper runtime
> handling.
> 

Ok, I thought that we didn't want to mark more clocks as CLK_IGNORE_UNUSED
or CLK_IS_CRITICAL but I agree this can be done as a temporary workaround
until a proper runtime PM based solution gets merged.

> Best regards

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