Hi Geert, On Wednesday, August 08, 2018, Geert Uytterhoeven wrote: > Suggestions for actions: > 1. Revert commit 7acece71a517cad8 ("serial: sh-sci: Remove > SCIx_RZ_SCIFA_REGTYPE"), as this is a dependency for step 2, > 2. Revert commit 2d4dd0da45401c7a ("serial: sh-sci: Allow for compressed > SCIF address"), to unbreak earlycon on RZ/A1, RZ/G, and R-Car SCIF > ports, Oh well. The idea of a shared SCIF regtype was a good idea...just too much baggage to deal with. > 4. Drop "renesas,scif" from the compatible value in the (not yet > submitted) r7s9210.dtsi (this may have to be clarified in the DT > bindings, although they already say "renesas,scif" is only meant for > ports compatible with the generic version, whatever that means ;-), As soon as I update to the new clock driver style and get that mainlined, then I can submit the r7s9210.dtsi. > 5. Add an OF_EARLYCON_DECLARE() for RZ/A2, setting port_cfg.regtype to > SCIx_RZ_SCIFA_REGTYPE, to (presumably) make earlycon work on RZ/A2, This is the one that I was happy to learn how to do it since originally I wasn't sure how I could get earlycon to work with the oddball RZ/A2 SCIF. Thanks, Chris