On 17 January 2017 at 14:57, Cyrille Pitchen <cyrille.pitchen@xxxxxxxxx> wrote: > Le 17/01/2017 à 14:16, Rafał Miłecki a écrit : >> On 17 January 2017 at 12:03, Uwe Kleine-König >> <u.kleine-koenig@xxxxxxxxxxxxxx> wrote: >>> The MR25 family doesn't support JEDEC, so they need explicit mentioning >>> in the list of supported spi IDs. This makes it possible to add these >>> using for example: >>> >>> compatible = "everspin,mr25h40"; >> >> (...) >> >>> diff --git a/Documentation/devicetree/bindings/mtd/jedec,spi-nor.txt b/Documentation/devicetree/bindings/mtd/jedec,spi-nor.txt >>> index 2c91c03e7eb0..3e920ec5c4d3 100644 >>> --- a/Documentation/devicetree/bindings/mtd/jedec,spi-nor.txt >>> +++ b/Documentation/devicetree/bindings/mtd/jedec,spi-nor.txt >>> @@ -14,6 +14,8 @@ Required properties: >>> at25df641 >>> at26df081a >>> mr25h256 >>> + mr25h10 >>> + mr25h40 >>> mx25l4005a >>> mx25l1606e >>> mx25l6405d >> >> Uh, this is getting a never-ending-story... >> If these chipsets don't support JEDEC, should we keep them in jedec,spi-nor.txt? >> > > Maybe not but I think the new compatible strings should be documented > somewhere. Currently jedec,spi-nor.txt already documents all the > "m25p*-nonjedec" memories. So maybe just renaming the jedec,spi-nor.txt > file into spi-nor.txt or mtd,spi-nor.txt could be a solution. Otherwise, we > can let it as is. I have no idea of what would be the best solution. > > To be honest, I don't always fully understand the DT policy/philosophy and > its requirements. I just thought when a new property or a new value is > introduced it has to be documented. > Generally speaking, when DT is involved in some series of patches, it often > generates many discussions about the proper way to do thinks and about > choosing the best between many technically functional solutions. > > If you think jedec,spi-nor.txt is not suited to document the new value for > the compatible string, why not, I perfectly understand your point. > > I don't mind choosing another way. I just want to be sure that, if not all, > most of people agree on that solution and if possible, it is compliant with > DT policy so everybody is happy and works together. > That's why I involve DT people, even if it's a small detail, so they can > advise us. > > Anyway, at some point we have to take a decision to carry on thinks. > So actually, I would like to avoid a never-ending story :) Sounds OK to me, I'm not DT expert though ;) -- Rafał -- 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