linux-kernel - Re: [PATCH 2/2] cpufreq: cpu0: Extend support beyond CPU0

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Message-ID: <CAKohponvN3rAvJrfi4TojFcq5gq7r2oNE4Q0_NtwBHmEZ8waBA@mail.gmail.com>
Date:	Fri, 27 Jun 2014 07:45:55 +0530
From:	Viresh Kumar <viresh.kumar@...aro.org>
To:	Mike Turquette <mturquette@...aro.org>
Cc:	Stephen Boyd <sboyd@...eaurora.org>,
	"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-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	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>,
	Mark Brown <broonie@...nel.org>,
	Mark Rutland <Mark.Rutland@....com>
Subject: Re: [PATCH 2/2] cpufreq: cpu0: Extend support beyond CPU0

On 27 June 2014 07:23, Mike Turquette <mturquette@...aro.org> wrote:
>> but it isn't future-proof if/when the clock framework starts returning
>> dynamically allocated clock pointers for each clk_get() invocation.
>> Maybe we need a function in the common clock framework that tells us if
>> the clocks are the same either via DT or by taking two clock pointers?
>
> I looked through the patch briefly and did not see why we would need to
> do this. Any hint?

We want to know which CPUs are sharing clock line, so that we can
fill affected-cpus field of cpufreq core.
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