linux-kernel - Re: [Query] CPUFreq: Does these machines have separate clock domains for CPUs?

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Date:	Fri, 30 Aug 2013 06:21:19 +0200
From:	Mikael Starvik <mikael.starvik@...s.com>
To:	Viresh Kumar <viresh.kumar@...aro.org>
CC:	"linux-pm@...r.kernel.org" <linux-pm@...r.kernel.org>,
	"cpufreq@...r.kernel.org" <cpufreq@...r.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	David Miller <davem@...emloft.net>,
	Eric Miao <eric.y.miao@...il.com>,
	Jesper Nilsson <jespern@...s.com>,
	John Crispin <blogic@...nwrt.org>,
	linux-cris-kernel <linux-cris-kernel@...s.com>,
	"linux-sh@...r.kernel.org" <linux-sh@...r.kernel.org>,
	Paul Mundt <lethal@...ux-sh.org>, Sekhar Nori <nsekhar@...com>,
	"sparclinux@...r.kernel.org" <sparclinux@...r.kernel.org>,
	Miao Steven <realmz6@...il.com>, Dave Jones <davej@...hat.com>
Subject: Re: [Query] CPUFreq: Does these machines have separate clock
 domains for CPUs?

Cris are also UP

29 aug 2013 kl. 12:16 skrev "Viresh Kumar" <viresh.kumar@...aro.org>:

> Hi,
> 
> I have been doing some CPUFreq cleanup work and
> wanted to know if the below mentioned machines have separate
> clock domains for their CPUs or all share the same domain?
> 
> So, that we can use some generic routines for these drivers which
> would eventually do:
> 
> cpumask_setall(policy->cpus);
> 
> And I wanted to make sure that this doesn't break them.. :)
> 
> ......
> 
> The drivers are:
> 
> drivers/cpufreq/at32ap-cpufreq.c
> drivers/cpufreq/blackfin-cpufreq.c
> drivers/cpufreq/cris-artpec3-cpufreq.c
> drivers/cpufreq/cris-etraxfs-cpufreq.c
> drivers/cpufreq/davinci-cpufreq.c
> drivers/cpufreq/e_powersaver.c
> drivers/cpufreq/elanfreq.c
> drivers/cpufreq/longhaul.c
> drivers/cpufreq/loongson2_cpufreq.c
> drivers/cpufreq/pmac32-cpufreq.c
> drivers/cpufreq/powernow-k6.c
> drivers/cpufreq/powernow-k7.c
> drivers/cpufreq/pxa2xx-cpufreq.c
> drivers/cpufreq/pxa3xx-cpufreq.c
> drivers/cpufreq/sc520_freq.c
> drivers/cpufreq/sh-cpufreq.c
> drivers/cpufreq/sparc-us2e-cpufreq.c
> drivers/cpufreq/sparc-us3-cpufreq.c
> 
> --
> Viresh
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