[PATCH 1/3] cpufreq: pmac64: speed up frequency switch

Benjamin Herrenschmidt benh at kernel.crashing.org
Fri Aug 16 08:14:32 EST 2013


On Thu, 2013-08-15 at 23:10 +0300, Aaro Koskinen wrote:

> I guess we should keep the current 12us latency in g5_neo2_cpufreq_init()
> (although I doubt it's correct...), and only add the new 10ms latency
> value to g5_pm72_cpufreq_init() - that way we can enable the older systems
> to use ondemand (despite long latencies), while not risking regressing
> any of the current functionality.
> 
> I'll resend the series with the changes.

Well, mine is a 11,2, it's not a neo2.

I suppose we could try to measure the latency :-)

Cheers,
Ben.




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