On 17-7-2016 23:45, Rob Herring wrote: > On Thu, Jul 07, 2016 at 10:46:28AM +0200, Arnd Bergmann wrote: >> On Wednesday, July 6, 2016 9:19:41 PM CEST Arend Van Spriel wrote: >>> On 6-7-2016 15:42, Arnd Bergmann wrote: >>>> On Wednesday, July 6, 2016 10:08:55 AM CEST Arend Van Spriel wrote: >>>>> On Tue, Jul 5, 2016 at 3:43 PM, Arnd Bergmann <arnd@xxxxxxxx> wrote: >>>> All existing uses of the model property in arch/arm/boot/dts and most of >>>> the ones in arch/powerpc/boot/dts are against the intended usage in >>>> one way or another, but adding different kind of incorrect usage won't >>>> improve that. >>>> >>>> The only way I can see the model property being used correctly would >>>> be to have it match the first entry in the compatible property, but >>>> that is completely redundant, so we tend to omit it, except for the >>>> root node in which it is required. For the root node however, the >>>> historic practice that has crept in on ARM is to put something completely >>>> different in there, which is a human-readable description of the >>>> machine rather than something we can use as a unique indentifier. >>>> >>>> I'd just consider the "model" property burned, and not use it for anything >>>> that doesn't already use it, just like we handle "device_type": a few >>>> things require it, nothing else should use it. >>> >>> If that is the agreed approach in devicetree arena I am fine with it. I >>> have been unaware of this and just looked at the suggestion from Jonas >>> seeing a solution to the problem at hand. >> >> I don't think it has been discussed or decided before as the question >> has not come up, so for now this is my personal view. Maybe one of >> the devicetree maintainers can comment on this. > > Back from vacation and getting caught up. > > I agree with Arnd here. In my view model is the OEM branding on the > device, compatible is the h/w. If you have different firmware related > files, that goes beyond OEM branding. Thanks, Rob We are talking about hardware variants here. So using the model property is off the table. Regards, Arend -- 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
