linux-kernel - Re: [PATCH 07/14] cpufreq: cpu0: OPPs can be populated at runtime

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Message-ID: <CAKohpomff9PGBzkZKXxctVSgNyPzWR_8fUn9xnKb-sC8jR=uvA@mail.gmail.com>
Date:	Wed, 2 Jul 2014 07:33:01 +0530
From:	Viresh Kumar <viresh.kumar@...aro.org>
To:	Stephen Boyd <sboyd@...eaurora.org>
Cc:	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	Shawn Guo <shawn.guo@...aro.org>,
	Lists linaro-kernel <linaro-kernel@...ts.linaro.org>,
	"linux-pm@...r.kernel.org" <linux-pm@...r.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Arvind Chauhan <arvind.chauhan@....com>,
	linux-arm-msm@...r.kernel.org, Sachin Kamat <spk.linux@...il.com>,
	Thomas P Abraham <thomas.ab@...sung.com>,
	Nishanth Menon <nm@...com>, Tomasz Figa <t.figa@...sung.com>
Subject: Re: [PATCH 07/14] cpufreq: cpu0: OPPs can be populated at runtime

On 1 July 2014 23:32, Stephen Boyd <sboyd@...eaurora.org> wrote:
> Please update the binding as well to indicate that this property is now
> optional.

Does this look fine..

diff --git a/Documentation/devicetree/bindings/cpufreq/cpufreq-cpu0.txt
b/Documentation/devicetree/bindings/cpufreq/cpufreq-cpu0.txt
index f055515..366690c 100644
--- a/Documentation/devicetree/bindings/cpufreq/cpufreq-cpu0.txt
+++ b/Documentation/devicetree/bindings/cpufreq/cpufreq-cpu0.txt
@@ -8,10 +8,12 @@ Both required and optional properties listed below
must be defined
 under node /cpus/cpu@0.

 Required properties:
-- operating-points: Refer to Documentation/devicetree/bindings/power/opp.txt
-  for details
+- None

 Optional properties:
+- operating-points: Refer to
Documentation/devicetree/bindings/power/opp.txt for
+  details. OPPs *must* be supplied either via DT, i.e. this property, or
+  populated at runtime.
 - clock-latency: Specify the possible maximum transition latency for clock,
   in unit of nanoseconds.
 - voltage-tolerance: Specify the CPU voltage tolerance in percentage.
--
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