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@xxxxxxxxxxxxxxxxxxxx>" to register transition notifier before > register_driver(). Thanks, queue for 2.6.33. Ralf
