Re: [PATCH v1 3/3] [loongson] 2f: add CPUFreq support

[Ralf Baechle <ralf@linux-mips.org>]

On Tue, Nov 17, 2009 at 01:32:59AM +0800, Wu Zhangjin wrote:

> Subject: [PATCH v1 3/3] [loongson] 2f: add CPUFreq support
> 
> Loongson2f add a new capability to dynamicly scale cpu frequency. And
> when we put it into wait mode via setting the frequency as ZERO, it will
> wait there until an external interrupt take place, which will help
> saving power for us.
> 
> And as the last patch described, to enable this support, an external
> timer is needed to avoid getting wrong system time when using the MIPS
> Timer, 'Cause the MIPS Timer's frequency is half of the cpu frequency,
> when the cpu frequency is changed, the MIPS Timer will be not accuracy.
> 
> This version incorporates the feedback from "Dominik Brodowski
> <linux@dominikbrodowski.net>" to register transition notifier before
> register_driver().

Thanks, queue for 2.6.33.

  Ralf