Hi Geert, On Sat, Sep 06, 2014 at 08:10:13PM +0200, Geert Uytterhoeven wrote: > Hi Eduardo, > > On Sat, Sep 6, 2014 at 6:13 PM, Eduardo Valentin <edubezval@xxxxxxxxx> wrote: > > On Thu, Aug 28, 2014 at 10:12:32AM +0200, Geert Uytterhoeven wrote: > >> - r8a7792 (R-Car V2H) > >> - r8a7793 (R-Car M2-N) > >> - r8a7794 (R-Car E2) > >> > >> r8a7791 is now called "R-Car M2-W". > >> > >> Signed-off-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx> > > > > I don't have any concerns on this patch and will be adding to my next > > branch. But before that, I have one simple question. Although the > > Thanks! > > > binding description mention about soc types, the rcar thermal driver do > > not differentiate soc types, only supports the "renesas,rcar-thermal" > > compatible. > > > > Do you care explaining why we need the soc specific compatibles? > > The reason we also have the SoC-specific values is that we are not > 100% sure the thermal IP cores in the Renesas R-Car Gen1 and R-Car Gen2 > series are really identical. > > Currently the driver treats all of them the same, but if we ever discover > a difference, and the driver needs to start distinguishing among different > versions, we will need to have the SoC-specific values in the DTSes to > do so. In this case, wouldn't make sense to find out first the differences before changing DT documentation? Otherwise, you may also figure out that there is no difference and then send a patch to remove the changes you are sending now (or even removing the -<soc specific> parts). > > I hope this explains our rationale. > > Gr{oetje,eeting}s, > > Geert > > -- > Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx > > In personal conversations with technical people, I call myself a hacker. But > when I'm talking to journalists I just say "programmer" or something like that. > -- Linus Torvalds -- 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