[PATCH 1/1] ARM: dts: Use more descriptive names for Exynos5420 PDs
Sergei Shtylyov
sergei.shtylyov at cogentembedded.com
Tue Feb 10 04:21:05 PST 2015
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?
> Best regards,
> Krzysztof
WBR, Sergei
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