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From: Stephen Boyd <sboyd@codeaurora.org>
To: Sudeep Holla <sudeep.holla@arm.com>
Cc: Viresh Kumar <viresh.kumar@linaro.org>,
	"linux-pm@vger.kernel.org" <linux-pm@vger.kernel.org>,
	Lists linaro-kernel <linaro-kernel@lists.linaro.org>,
	Michael Turquette <mturquette@baylibre.com>,
	"Rafael J. Wysocki" <rjw@rjwysocki.net>,
	Mark Brown <broonie@kernel.org>,
	"Nayak, Rajendra" <rnayak@codeaurora.org>,
	Georgi Djakov <georgi.djakov@linaro.org>,
	Bjorn Andersson <bjorn.andersson@linaro.org>
Subject: Re: [Discussion] Performance levels of power domains
Date: Thu, 27 Oct 2016 17:22:02 -0700	[thread overview]
Message-ID: <20161028002202.GM26139@codeaurora.org> (raw)
In-Reply-To: <c11971ea-59aa-690a-95a3-d645ebb0074a@arm.com>

On 10/26, Sudeep Holla wrote:
> 
> 
> On 26/10/16 12:16, Viresh Kumar wrote:
> >On 26-10-16, 12:09, Sudeep Holla wrote:
> 
> [...]
> 
> >>I am mainly interested as there are efforts to standardize these
> >>communication with M3 and there's WIP protocol development[1]. It would
> >>be good to see if this user-case is also considered.
> >
> >What do you mean by that ?
> 
> Basically I wanted to know more details so that such system are also
> considered(I agree it may not have any impact on the protocol at all,
> but still good to consider them) when designing this new SCMI protocol.
> 

There are a couple different wire protocols used to communicate
with the RPM on these platforms. The first one is at
drivers/mfd/qcom_rpm.c, and the second one is at
drivers/soc/qcom/smd-rpm.c. Bjorn upstreamed these drivers based
on the codeaurora sources.

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

  reply	other threads:[~2016-10-28  0:29 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-10-26 10:52 [Discussion] Performance levels of power domains Viresh Kumar
2016-10-26 11:09 ` Sudeep Holla
2016-10-26 11:16   ` Viresh Kumar
2016-10-26 11:21     ` Sudeep Holla
2016-10-28  0:22       ` Stephen Boyd [this message]
2016-10-28  8:52         ` Sudeep Holla
2016-10-26 19:00 ` Kevin Hilman
2016-10-27  3:46   ` Viresh Kumar
2016-10-27  7:17     ` Vincent Guittot
2016-10-27  8:28       ` Viresh Kumar
2016-10-27 10:14     ` Rafael J. Wysocki
2016-10-27  7:13   ` Vincent Guittot
2016-10-27 10:11   ` Rafael J. Wysocki
2016-10-27 10:23     ` Viresh Kumar
2016-10-27 10:26       ` Rafael J. Wysocki
2016-10-27 11:46     ` Ulf Hansson
2016-10-28  4:02       ` Viresh Kumar
2016-10-27 13:12     ` Sudeep K N
2016-10-27 17:24     ` Kevin Hilman
2016-11-09 11:46     ` Viresh Kumar
2016-11-10 19:14       ` Kevin Hilman

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