Hi Sakari > > > > I'm not familiar with fwnode, but in my quick check, it seems it is easy > > > > to expand fwnode side functions if of_graph side function exist ? > > > > > > That would be one way to do that, yes, but I suggested using the existing > > > endpoint iterators as that would keep the firmware specific implementation > > > more simple. The (slight) drawback is that for each node returned, you'd > > > need to check its parent (i.e. port node) is the same as the port you're > > > interested in. The alternative may involve reworking the struct > > > fwnode_operations interface somewhat, including swnode, DT and ACPI > > > implementations. > > > > > > > But we still need the of_* versions, don't we, for patches 4 to 13? > > Yes, my comment was indeed about the fwnode property API only. Thank you for your suggestion. But I'm not familiar with fwnode, and it seems we still need of_*, I will keep current style (= non fwnode) in v3 Thank you for your help !! Best regards --- Renesas Electronics Ph.D. Kuninori Morimoto