Hi! > > If there are dependancies inherently linking core1 and core2, cpufreq > > should already be programming both parts. For example, the SA1100 > > driver programs both CPU and SDRAM controller. If there isn't any > > dependancy > > between them, I don't see the attraction of creating an artificial one > > in the way suggested for no real purpose. > > > > Things like voltage and frequency are closely tied together, so > > offering > > any means of controlling them independantly makes no sense afaics. > Yet a certain subsystem (for example an onboard camera, in a phone) > might require a higher voltage when it's active, effectively loosening > the tight coupling between freq and voltage that the porcessor is > enforcing. So... you expect userland to echo high > state before camera can be used? I'd rather have kernel automagically up the voltage when /dev/video0 is opened... Pavel -- Thanks for all the (sleeping) penguins.
