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Date: Fri, 30 Aug 2013 15:48:28 +0900 From: Magnus Damm <magnus.damm@...il.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>, Jesper Nilsson <jesper.nilsson@...s.com>, Eric Miao <eric.y.miao@...il.com>, linux-cris-kernel@...s.com, SH-Linux <linux-sh@...r.kernel.org>, Benjamin Herrenschmidt <benh@...nel.crashing.org>, Miao Steven <realmz6@...il.com>, Sekhar Nori <nsekhar@...com>, Mikael Starvik <starvik@...s.com>, Paul Mundt <lethal@...ux-sh.org>, sparclinux@...r.kernel.org, Dave Jones <davej@...hat.com>, David Miller <davem@...emloft.net>, John Crispin <blogic@...nwrt.org> Subject: Re: [Query] CPUFreq: Does these machines have separate clock domains for CPUs? Hi Viresh, On Thu, Aug 29, 2013 at 7:15 PM, Viresh Kumar <viresh.kumar@...aro.org> wrote: > 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/sh-cpufreq.c ... The above SH cpufreq driver seems to be written with SMP in mind, but I would say SMP is a very rare case for SH. So I believe it can be considered as UP-only at this point. If Paul disagrees I'm quite sure he will tell us. Cheers, / magnus -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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