* Tomi Valkeinen <tomi.valkeinen@xxxxxx> [140311 03:19]: > On 10/03/14 17:41, Tony Lindgren wrote: > > >>> How about do a pull request for just the .dts changes against current > >>> omap-for-v3.15/dt branch ASAP for me so I can pull it in? That is assuming > >>> that just the .dts changes alone won't break anything. > >> > >> Unfortunately they do break. At least pinmuxing is moved from the global > >> definitions to be handled by the respective display drivers, and there > >> are some regulator_name hacks that the DT patches remove. > > > > OK. Will that cause regressions for omap3 as that's still also booting > > in legacy mode? > > No, I don't think so. The problems revolve around the pdata-quirks, with > current DSS support when booting with DT. It's rather difficult to split > the series so that it could be merged freely in multiple parts. > > If I split the series into three parts: 1) .dts changes 2) main DSS DT > changes 3) removal of pdata-quirks etc, I run into problems. Both 1) and > 2) work fine individually, but when both are merged, there are two > competing systems, the proper DT stuff and the pdata-quirks stuff. And I > haven't found out a simple way to manage that, as the whole display > support is split into multiple independent devices. > > One option would be to combine 1) and 3), so that when they are merged, > there would be proper DT data, and the pdata-quirks would be removed so > that it wouldn't be messing everything up. But that would, of course, > mean that after merging 1+3, the display wouldn't work on those boards > that rely on pdata-quirks, until 2) is merged. OK, best to keep the series together then. > >> I think those changes could be removed from my patches, and then added > >> back later when everything else has been merged. > > > > Or you could have a second branch that also merges in omap-for-v3.15/dt > > branch that you can send later towards the merge window after the arm-soc > > changes have been merged. If you want to do that, then feel free to add > > my ack also for the .dts changes: > > > > Acked-by: Tony Lindgren <tony@xxxxxxxxxxx> > > > > If however those changes get postponed to v3.16, it's best that you'll > > redo the branch as I'm sure we'll have other merge issues for v3.16. > > Ok. At the moment I feel that the easiest option would be to keep the > DSS DT series as it is, but merge omap-for-v3.15/dt to it and solve the > conflicts. I'd keep that branch separate from the fbdev changes, so that > I could send the DSS DT pull request later, when arm-soc has been pulled. OK makes sense to me. > >> The bigger issue is that suddenly there's lots of discussion about the > >> display DT bindings. If those are not resolved very soon, I guess I have > >> no choice but to again skip the merge window for the DSS DT changes. > > > > OK, some of these more bindings can take easily six months to reach > > some kind of resolution. You may be able to use TI specific unstable > > bindings meanwhile if that makese sense. > > Yep. I don't know... If the whole port/endpoint system that I currently > use is changed totally, it might be painful to support both the TI > specific bindings with the old format and the newer format. OK that's up you guys in the display land, I have not followed the latest bindings discussion. Regards, Tony -- 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
