[PATCH v4 4/7] cpufreq: add clk-reg cpufreq driver

Richard Zhao richard.zhao at linaro.org
Sun Dec 25 00:28:53 EST 2011


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


More information about the devicetree-discuss mailing list