From: richard.zhao@linaro.org (Richard Zhao)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v4 4/7] cpufreq: add clk-reg cpufreq driver
Date: Sat, 24 Dec 2011 21:28:33 +0800 [thread overview]
Message-ID: <20111224132831.GB1803@richard-laptop> (raw)
In-Reply-To: <20111224122411.GA13778@sirena.org.uk>
On Sat, Dec 24, 2011 at 12:24:11PM +0000, Mark Brown wrote:
> On Sat, Dec 24, 2011 at 04:55:42PM +0800, Richard Zhao wrote:
> > On Fri, Dec 23, 2011 at 01:18:51PM +0000, Mark Brown wrote:
>
> > > > +- trans-latency : transition_latency, in unit of ns.
>
> > > trans-latency should really say what latency is being measured (the CPU
> > > core only or the whole operation).
>
> > dts only descibe hw info. so the transition latency is for hw.
> > - trans-latency : transition latency of HW, in unit of ns.
>
> The issue is that you need to clarify which hardware this is - it's the
> clocks only, not the time for regulators.
- trans-latency : transition latency of cpu freq and related regulator,
in unit of ns.
Does it look better?
If you think regulator thansition latency is board specific, then the board
dts can overrite it.
Thanks
Richard
next prev parent reply other threads:[~2011-12-24 13:28 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-12-22 7:09 [PATCH v4 0/7] add a generic cpufreq driver Richard Zhao
2011-12-22 7:09 ` [PATCH v4 1/7] ARM: add cpufreq transiton notifier to adjust loops_per_jiffy for smp Richard Zhao
2011-12-22 7:09 ` [PATCH v4 2/7] arm/imx: cpufreq: remove loops_per_jiffy recalculate " Richard Zhao
2011-12-22 7:09 ` [PATCH v4 3/7] cpufreq: OMAP: " Richard Zhao
2011-12-22 7:09 ` [PATCH v4 4/7] cpufreq: add clk-reg cpufreq driver Richard Zhao
2011-12-23 13:18 ` Mark Brown
2011-12-24 8:55 ` Richard Zhao
2011-12-24 12:24 ` Mark Brown
2011-12-24 13:28 ` Richard Zhao [this message]
2011-12-24 13:42 ` Mark Brown
2011-12-24 15:52 ` Richard Zhao
2011-12-26 11:10 ` Mark Brown
2011-12-26 13:44 ` Richard Zhao
2011-12-26 14:22 ` Mark Brown
2011-12-27 1:51 ` Richard Zhao
2011-12-27 10:53 ` Mark Brown
2012-01-03 9:06 ` Russell King - ARM Linux
2012-01-03 13:25 ` Richard Zhao
2012-01-03 13:47 ` Russell King - ARM Linux
2012-01-03 14:15 ` Richard Zhao
2012-01-03 20:26 ` Mark Brown
2011-12-24 13:10 ` Jamie Iles
2011-12-24 13:24 ` Richard Zhao
2011-12-22 7:09 ` [PATCH v4 5/7] dts/imx6q: add cpufreq property Richard Zhao
2011-12-22 7:09 ` [PATCH v4 6/7] arm/imx6q: register arm_clk as cpu to clkdev Richard Zhao
2011-12-22 7:09 ` [PATCH v4 7/7] arm/imx6q: select ARCH_HAS_CPUFREQ Richard Zhao
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