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From: sergei.shtylyov@cogentembedded.com (Sergei Shtylyov)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 1/1] ARM: dts: Use more descriptive names for Exynos5420 PDs
Date: Tue, 10 Feb 2015 15:21:05 +0300	[thread overview]
Message-ID: <54D9F7B1.3030106@cogentembedded.com> (raw)
In-Reply-To: <1423570670.6241.2.camel@AMDC1943>

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

  reply	other threads:[~2015-02-10 12:21 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-02-06 17:37 [PATCH 1/1] ARM: dts: Use more descriptive names for Exynos5420 PDs Javier Martinez Canillas
2015-02-06 19:09 ` Sergei Shtylyov
2015-02-06 20:50   ` Javier Martinez Canillas
2015-02-10 11:46     ` Krzysztof Kozlowski
2015-02-10 11:55       ` Sergei Shtylyov
2015-02-10 12:17         ` Krzysztof Kozlowski
2015-02-10 12:21           ` Sergei Shtylyov [this message]
2015-02-10 12:30             ` Krzysztof Kozlowski
2015-02-10 12:46               ` Javier Martinez Canillas
2015-02-10 13:00                 ` Sylwester Nawrocki
2015-02-10 13:14                   ` Krzysztof Kozlowski
2015-02-10 14:08                     ` Sylwester Nawrocki

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