On 19/06/18 10:40, Quentin Perret wrote: > Hi Pavan, > > On Tuesday 19 Jun 2018 at 14:48:41 (+0530), Pavan Kondeti wrote:
[...] > > There seems to be a sysfs interface exposed by this driver to change > > cpu_scale. > > Should we worry about it? I don't know what is the usecase for changing the > > cpu_scale from user space. > > This is something I've been wondering as well. TBH, I'm not sure what to > do in this case. And I'm not sure to know what is the use-case either. > Debugging purpose I assume ? > > Juri, did you have a specific use-case for this feature when the > arch_topology driver was first introduced ? Or was it just to align > with the existing arm/arm64 code ? It was requested (IIRC) because DT might have bogus values and not be easily modifiable. So, this is another way to get things right for your platform at runtime.
