On Tue, 2020-07-14 at 08:55 -0700, Jakub Kicinski wrote: > On Tue, 14 Jul 2020 14:35:16 +0000 Ooi, Joyce wrote: > > > I'm no device tree expert but these look like config options rather than > > > HW > > > description. They also don't appear to be documented in the next patch. > > > > The poll_freq are part of the msgdma prefetcher IP, whereby it > > specifies the frequency of descriptor polling operation. I can add > > the poll_freq description in the next patch. > > Is the value decided at the time of synthesis or can the driver choose > the value it wants?
It is not controlled at synthesis, this parameter should likely not be a devicetree parameter, perhaps just make it a module parameter with a default value. --dalon
