Re: Incorrect mdelay() results on Power Managed Machines x86

Dave Zarzycki
2001-03-23T06:47:36Z

On Thu, 22 Mar 2001, Alan Cox wrote:

> This is commonly done using the speedstep feature on intel cpus. Speedstep
> can generate events so the OS knows about it but Intel are not telling
> people about how this works.
<...snip...>
> We certainly could recalibrate the clock if we could get events out of
> ACPI, APM or some other source.

Specific events for Speedstep on/off would be nice, but in practice, can
we re-calibrate when ever there is a change in the power status (on
battery, charging, etc.)?

davez

--
Dave Zarzycki