On Sat, 18 Sep 2010, Raj Kumar wrote: > Hi Alan, > > > > I have question regarding the CPU frequency subsystem through which the frequency of the CPU is scaled. > > e.g. If we have device driver (X device contains processor) that wants to scale its own processor based > > upon the workload, (DVFS driver for this processor is implemented and registered with cpufreq subsystem) > > then X device driver when detects waorkload, Can this X device driver call policy governor APIS for scaling clock or > > this X device driver can directly calls DVFS driver APIs directly? I don't know. I have never used cpufreq and I don't know how it works. > I just want to know from our device driver how do call DVFS driver if DVFS driver is registered with cpu frequency subsystem? Then you should ask somebody else. Alan Stern _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/linux-pm
