Hi Geert, On Thursday 20 Apr 2017 12:11:41 Geert Uytterhoeven wrote: > On Thu, Apr 20, 2017 at 12:02 PM, Laurent Pinchart wrote: > > On Thursday 20 Apr 2017 11:49:06 Geert Uytterhoeven wrote: > >> Group the AVB pins into similar groups as found in other sh-pfc drivers. > >> The pins can not be muxed between functions other than AVB, but their > >> drive strengths can be controlled. > >> > >> The group avb_mdc containing ADV_MDC and ADV_MDIO is called avb_mdio on > >> other SoCs. In pfc-r8a7796 the avb_mdc group already existed and is in > >> use in DT. Therefore add the ADV_MDIO pin to the existing group instead > >> of renaming it. > > > > This clearly shows that we need a few kernel releases to test PFC-related > > code and DT before we can commit to an ABI. How do you think we should > > handle this ? > > That's a difficult question ;-) > > For now I'd like to treat R-Car M3-W the same as H3. I still believe we should introduce some kind of unstable period for DT bindings, during which they will be merged in mainline but still subject to modification. It could just be a few kernel releases. -- Regards, Laurent Pinchart
