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Date: Thu, 29 Aug 2013 16:00:06 +0530 From: Viresh Kumar <viresh.kumar@...aro.org> To: Sekhar Nori <nsekhar@...com> 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 <jesper.nilsson@...s.com>, John Crispin <blogic@...nwrt.org>, linux-cris-kernel@...s.com, linux-sh@...r.kernel.org, Mikael Starvik <starvik@...s.com>, Paul Mundt <lethal@...ux-sh.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? On 29 August 2013 15:53, Sekhar Nori <nsekhar@...com> wrote: > On DaVinci (DA850), there is an async domain available to keep some > peripheral clocks insulated from cpu frequency changes. But there are a > bunch of other clocks which do get affected by CPU frequency change > (they need to run at a fixed ratio to CPU frequency). My question wasn't about how peripherals are getting clocks.. but how CPUs are getting them.. Does all CPUs share clock line in Davinci? i.e. if we change freq of one cpu then freq of other one also gets changed? Or they are capable of running at different frequencies? -- viresh -- 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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