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From: Stephen Boyd <sboyd@codeaurora.org>
To: Viresh Kumar <viresh.kumar@linaro.org>
Cc: Kevin Hilman <khilman@baylibre.com>,
	Vincent Guittot <vincent.guittot@linaro.org>,
	Rob Herring <robh@kernel.org>, Rafael Wysocki <rjw@rjwysocki.net>,
	"linaro-kernel@lists.linaro.org" <linaro-kernel@lists.linaro.org>,
	"linux-pm@vger.kernel.org" <linux-pm@vger.kernel.org>,
	linux-kernel <linux-kernel@vger.kernel.org>,
	Mark Rutland <mark.rutland@arm.com>,
	Ulf Hansson <ulf.hansson@linaro.org>,
	Lina Iyer <lina.iyer@linaro.org>,
	"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
	Nayak Rajendra <rnayak@codeaurora.org>
Subject: Re: [PATCH 1/2] PM / Domains: Introduce domain-performance-state binding
Date: Mon, 28 Nov 2016 10:27:57 -0800	[thread overview]
Message-ID: <4f815e31-22d0-fef7-953c-257fa2bbcb9d@codeaurora.org> (raw)
In-Reply-To: <20161124044020.GC9376@vireshk-i7>

On 11/23/2016 08:40 PM, Viresh Kumar wrote:
> On 23-11-16, 18:03, Stephen Boyd wrote:
>> On 11/23, Kevin Hilman wrote:
>>> Vincent Guittot <vincent.guittot@linaro.org> writes:
>>>> On 23 November 2016 at 16:51, Kevin Hilman <khilman@baylibre.com> wrote:
>>>>> Then, at least for this use case, we're talking about voltage, not some
>>>>> unspecified units.
>> In some cases we actually know the voltage of the domain and
>> would want to put some voltage mapping in DT. For example, level
>> 1 is voltage 2V and level 2 is voltage 2.5V.
> But even in these cases we wouldn't be using the voltage values within the
> kernel as we will be giving only a performance state to the M3 core, right?

Nope. In these cases we need to set a certain voltage and we do that by
requesting it via the M3 core.

-- 
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum,
a Linux Foundation Collaborative Project

  reply	other threads:[~2016-11-28 18:31 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-11-18  9:23 [PATCH 0/2] PM / Domains / OPP: Introduce domain-performance-state binding Viresh Kumar
2016-11-18  9:23 ` [PATCH 1/2] PM / Domains: " Viresh Kumar
2016-11-21 15:07   ` Rob Herring
2016-11-22  3:17     ` Viresh Kumar
2016-11-22 18:12       ` Kevin Hilman
2016-11-22 18:34         ` Vincent Guittot
2016-11-23  3:22           ` Viresh Kumar
2016-11-23 15:51           ` Kevin Hilman
2016-11-23 15:55             ` Vincent Guittot
2016-11-23 22:30               ` Kevin Hilman
2016-11-24  2:03                 ` Stephen Boyd
2016-11-24  4:40                   ` Viresh Kumar
2016-11-28 18:27                     ` Stephen Boyd [this message]
2016-11-29  6:57                       ` Viresh Kumar
2016-11-30  1:08                         ` Stephen Boyd
2016-12-02 10:47                           ` Viresh Kumar
2016-11-18  9:23 ` [PATCH 2/2] PM / OPP: Introduce domain-performance-state binding to OPP nodes Viresh Kumar

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