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From: Viresh Kumar <viresh.kumar@linaro.org>
To: Zhang Rui <rui.zhang@intel.com>, Eduardo Valentin <edubezval@gmail.com>
Cc: Vincent Guittot <vincent.guittot@linaro.org>,
	linux-pm@vger.kernel.org, robh+dt@kernel.org,
	devicetree@vger.kernel.org, daniel.lezcano@linaro.org,
	Punit.Agrawal@arm.com, ionela.voinescu@arm.com
Subject: [Query] thermal: Who is using "cooling-{min|max}-level}" properties ?
Date: Wed, 7 Feb 2018 12:29:59 +0530	[thread overview]
Message-ID: <20180207065959.GN28462@vireshk-i7> (raw)

Looks like I am missing the obvious and sorry for the noise in advance.

But I couldn't find any code that parses the "cooling-{min|max}-level" DT
bindings in the kernel. Yeah, almost every ARM platform have these properties
set for their CPU nodes in DT, but I don't see how these are getting used.

I even tried to remove them for my hikey platform and everything worked as if
nothing has changed (which I was expecting anyway). The deal is that the
->get_max_state() callback of the cooling drivers are getting called to get the
range at runtime and none of them refers to these bindings.

Removing code is always fun and I would be happy to post a series to clean
things up if everyone agrees. Please let me know if my understanding is correct
and if it would be fine to remove these bindings completely.

Thanks.

-- 
viresh

             reply	other threads:[~2018-02-07  6:59 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-02-07  6:59 Viresh Kumar [this message]
2018-02-07 10:04 ` [Query] thermal: Who is using "cooling-{min|max}-level}" properties ? Daniel Lezcano
     [not found]   ` <c7bd6ed5-b93e-3a07-b4a2-4c3b1eef5fac-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
2018-02-07 10:24     ` Viresh Kumar
2018-02-07 10:45       ` Daniel Lezcano
2018-02-09  6:42         ` Viresh Kumar
2018-02-09  9:15           ` Daniel Lezcano
     [not found]             ` <539699c7-9509-dea2-2b31-c5f6749c99c4-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
2018-02-09  9:24               ` Viresh Kumar
2018-02-09 12:14                 ` Daniel Lezcano
     [not found]                   ` <5722441d-c8be-4d29-fab7-28b4e5716961-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
2018-02-12  6:10                     ` Viresh Kumar
2018-02-12  8:39                       ` Daniel Lezcano
2018-02-12  8:52                         ` Viresh Kumar
2018-02-12  9:52                           ` Daniel Lezcano
2018-02-12 10:17                             ` Viresh Kumar

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