Hi Linus, 2017-09-27 22:42 GMT+09:00 Linus Walleij <linus.walleij@xxxxxxxxxx>: > On Wed, Sep 27, 2017 at 4:45 AM, Masahiro Yamada > <yamada.masahiro@xxxxxxxxxxxxx> wrote: > >> This GPIO controller is used on UniPhier SoC family. >> >> The vendor specific property "socionext,interrupt-ranges" is for >> specifying interrupt mapping to the parent interrupt controller >> because the mapping is not contiguous. It works like "ranges", >> but transforms "interrupts" instead of "reg". >> >> Signed-off-by: Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx> >> Acked-by: Rob Herring <robh@xxxxxxxxxx> > > I don't think Rob has seen the new interrupt range thing? > (It's not a big deal. Things like these are a bit fuzzy.) > >> + socionext,interrupt-ranges = <0 48 16>, <16 154 5>, <21 217 3>; > > If it is as you say, that other SoCs are doing the same, we should > think about creating a generic property for this. Like > hierarchy-interrupt-ranges or so. > > I kind of liked the old patch where it was just "interrupts" and > then you looked it up from the irq subsystem. (tglx even ACKed > the patch). > > But I want the DT people to say something here. > > Yours, > Linus Walleij I explained the technical background of this approach, but I have not had any comment. (DT people are silent, too) Is this driver applicable? -- Best Regards Masahiro Yamada -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html