I've applied your patches to a 2.6.12-rc2 tree, and all works fine with my ibook 2.2.
sleep / wakeup (to ram) works smoothly, no problems with hotplugging...
cpufreq works also correctly
I will check power savings today
hubert
Benjamin Herrenschmidt a �crit :
Hi !
There have been various reports of issues with sleep among others on iBook G3 equiped with the 750FX processor. Also, the cpufreq code on these so far didn't change the CPU voltage, which limited the actual power saving at low frequency.
I have uploaded various patches that should help fix these issues. Those patches are all against current linus bk and they should be all applied in the order below.
I would really appreciate some tests as I don't have access to any of these machines. I need to know if cpufreq works reliably with those patches and if the new voltage control makes any differnece on battery life (check power consumption in /proc/pmu/battery_*/current when running on battery) and I need to know if the patches are improving reliability of sleep/wakeup.
The 4 patches can be found at these URLs. If you had earlier versions of some of these, those patches replace them:
http://gate.crahsing.org/~benh/ppc32-750-errata-fix.diff http://gate.crahsing.org/~benh/ppc32-pmac-sleep-fix.diff http://gate.crahsing.org/~benh/cpufreq-add-suspend.diff http://gate.crahsing.org/~benh/ppc32-cpufreq-gpio-off.diff
Please, let me know asap,
Ben.
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