Re: [PATCH 1/1] cpufreq: eeepc 900 frequency scaling driver

Pavel Machek
2008-12-02T20:15:07Z

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....)

Sorry for the noise.
Pavel

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