Subject: Colibri PXA320 Power management question

From: [email-masked] (Mark Brown)
Date: Mon, 6 Sep 2010 12:30:37 +0100

On Mon, Sep 06, 2010 at 07:09:44PM +0800, Eric Miao wrote:
> On Mon, Sep 6, 2010 at 6:13 PM, Mark Brown

> > 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.

> It doesn't need to. There is actually an internal command table, and
> not really sure about the mapping scheme though, but when software
> then has only to care about the frequencies, and voltages will be
> adjusted accordingly.

Ah, I'm misremembering the PXA implementation for the i.MX one - the
i.MX version of this feature had a governor rather than just doing a
lookup from the frequency to a voltage.