On Sun 2006-09-17 17:10:36, Vitaly Wool wrote: > Pavel, > > On 9/17/06, Pavel Machek <pavel at ucw.cz> wrote: > >?? zaurus uses cpufreq just fine, and you could do that on omap. You'd > >not have powersavings coming out of powering down devices, but > >otherwise it should be doable. > > I do think you'd better broaden your views here ;) > cpufreq as it is is not well-suitable for complex power management > cases where you need to switch between multiple oscillators/clock > sources/PLLs etc to gain the most efficien power management. > Zaurus is not that complicated in PM AFAIK and I'm sure it could be > even better if it used PowerOP or similar solution. :) Well, I do think you'd better broaden your views here ;) Solutions you propose are not well-suitable for big systems, like 8 cpu server box with 40 PCI devices. What we need to do is something that works well from whole range, from 770 through thinkpad x60 to 8x Xeon server. Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
