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SubjectRe: [PATCH 1/1] ARM: dts: Use more descriptive names for Exynos5420 PDs
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On wto, 2015-02-10 at 15:21 +0300, Sergei Shtylyov wrote:
> On 2/10/2015 3:17 PM, Krzysztof Kozlowski wrote:
>
> >>> Additionally (on Arndale Octa):
>
> >>> $ cat /sys/kernel/debug/pm_genpd/pm_genpd_summary
> >>> domain status slaves
> >>> /device runtime status
> >>> ----------------------------------------------------------------------
> >>> power-domain on
> >>> /devices/platform/amba/3880000.adma suspended
> >>> power-domain off
> >>> power-domain off
> >>> power-domain off
> >>> power-domain off
> >>> power-domain off
>
> >>> This really is not helpful. From the power domain debugfs code it is
> >>> complicated to extract of_node of power domain.
>
> >> You shouldn't need it.
>
> >>> It is easier to print
> >>> the name of power domain. But wait... all names are the same! :) So
> >>> why do we have the name in the first place?
>
> >> I'm not sure why the full platform device names aren't printed -- they
> >> should all be different.
>
> > This debugfs code iterates over list of generic_pm_domains (gpd_list). I
> > cannot find function for translating from genpd to its platform device
> > so only genpd->name can be printed.
>
> Then why power domains aren't just named with the platform device names?

Right, the mach-exynos/pm_domains.c set the name equal to OF node name.
I'll send a patch extending the name.

Best regards,
Krzysztof




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