Well, replying to myself: it doesn't even compile with CONFIG_CPU_FREQ=n On Tue, Mar 17, 2009 at 9:30 AM, Fabio Comolli <fabio.comolli@xxxxxxxxx> wrote: > Well, I see that this thread has resumed after three months of being idle. > Is there a chance that either Cristiano's or Tom's version can be included? > > By the way, I currently run my eeepc 900 with cpufreq disabled. > Looking at the patch, with Tom's mods to eeepc_laptop I could do the > same, am I right? I see only an include for cpufreq.h and nothing > else. > > Thanks, > Fabio > > > > On Mon, Mar 16, 2009 at 9:29 AM, Pavel Machek <pavel@xxxxxx> wrote: >> On Mon 2009-03-16 00:24:18, Len Brown wrote: >>> >>> On Tue, 2 Dec 2008, Pavel Machek wrote: >>> >>> > On Tue 2008-12-02 16:15:21, Matthew Garrett wrote: >>> > > On Sun, Nov 23, 2008 at 07:04:09PM +0100, Pavel Machek wrote: >>> > > >>> > > > Is this really needed? Could we simply talk to the cpu directly, >>> > > > without help of ACPI? >>> > > >>> > > No. The ACPI write ends up talking to the embedded controller and some >>> > > io ports. >>> > >>> > Oops... I always knew that eee-s are broken by design (reporting >>> > battery percent as mWh, etc...) but I did not realize how bad it >>> > is. (ACPI has perfectly standard cpu frequency scaling interface, even >>> > if it is not used too often these days....) >>> >>> Huh? >>> >>> What cpufreq driver is deployed more broadly than acpi-cpufreq? >>> AFAIK, Linux uses it on nearly every ACPI compliant Intel-based >>> system that has frequency scaling. >> >> Problem seems to be that eee uses custom ACPI methods >> (switch_to_fast_clock(0/1)-like), not anything acpi-cpufreq could >> drive... Broken by design :-(. >> Pavel >> -- >> (english) http://www.livejournal.com/~pavelmachek >> (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html >> -- >> To unsubscribe from this list: send the line "unsubscribe linux-kernel" in >> the body of a message to majordomo@xxxxxxxxxxxxxxx >> More majordomo info at http://vger.kernel.org/majordomo-info.html >> Please read the FAQ at http://www.tux.org/lkml/ >> > -- To unsubscribe from this list: send the line "unsubscribe cpufreq" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
