Colibri PXA320 Power management question

Mark Brown broonie at opensource.wolfsonmicro.com
Mon Sep 6 06:13:21 EDT 2010


On Thu, Sep 02, 2010 at 06:43:02PM +0300, Mike Rapoport wrote:
> Mark Brown wrote:

> >Yes, exactly - what I'm saying is that Linux is set up to use cpufreq
> >rather than rely on the built in stuff.

> There's no contradiction here. The PXA3XX cpufreq implementation
> could trigger automatic voltage scaling.

That'd be slightly entertaining, though, since IIRC the hardware
implementation isn't really set up for being constrained - it doesn't
expect to be cooperating with software governors.



More information about the linux-arm-kernel mailing list