On Sun, Sep 24, 2017 at 02:07:27PM +0200, Marek Vasut wrote: > On 09/24/2017 01:36 PM, Tom Rini wrote: > > On Sun, Sep 24, 2017 at 10:28:18AM +0200, Marek Vasut wrote: > >> On 09/24/2017 05:22 AM, Tom Rini wrote: > >>> On Sat, Sep 23, 2017 at 09:07:02PM -0500, Robert Nelson wrote: > >>>> On Sat, Sep 23, 2017 at 8:49 PM, Bin Meng <bmeng...@gmail.com> wrote: > >>>>> Hi Tom, > >>>>> > >>>>> On Sun, Sep 24, 2017 at 12:10 AM, Tom Rini <tr...@konsulko.com> wrote: > >>>>>> On Sat, Sep 23, 2017 at 03:04:39PM +0200, Marek Vasut wrote: > >>>>>>> On 09/23/2017 02:56 PM, Tom Rini wrote: > >>>>>>>> On Sat, Sep 23, 2017 at 12:39:44PM +0200, Marek Vasut wrote: > >>>>>>>>> On 09/22/2017 04:20 PM, Tom Rini wrote: > >>>>>>>>>> On Fri, Sep 15, 2017 at 01:15:25PM -0400, Tom Rini wrote: > >>>>>>>>>> > >>>>>>>>>>> With support for overlays and calling the -@ flag to dtc we need > >>>>>>>>>>> to have > >>>>>>>>>>> at least 1.4.3 available now. > >>>>>>>>>>> > >>>>>>>>>>> Cc: Simon Glass <s...@chromium.org> > >>>>>>>>>>> Reported-by: Stephen Warren <swar...@wwwdotorg.org> > >>>>>>>>>>> Signed-off-by: Tom Rini <tr...@konsulko.com> > >>>>>>>>>> > >>>>>>>>>> Applied to u-boot/master, thanks! > >>>>>>>>> > >>>>>>>>> Debian still only has 1.4.2 even in unstable, so u-boot/master no > >>>>>>>>> longer > >>>>>>>>> builds on any debian system. > >>>>>>>> > >>>>>>>> Then perhaps we need to mirror the kernel and provide / build dtc, > >>>>>>>> but > >>>>>>>> allow for people to override it. > >>>>>>> > >>>>>>> What about allowing old DTC version if DTOs are not in use ? > >>>>>> > >>>>>> If you can re-work the logic for that, sure, thanks! > >>>>>> > >>>>> > >>>>> Ubuntu 16.04 LTS is still at dtc v1.4.0, so it's broken there too. > >>>> > >>>> Maybe it's just time to embed a copy of dtc into u-boot (like the > >>>> kernel, especially since we use so many features...)? > >>> > >>> That is my intention at this point, and I'm testing a small series to do > >>> that now (the last pain point looks to have been the patch that allows > >>> 'DTC' to be over-ridden for FreeBSD). > >> > >> cfr my comment about vendoring , I'd really hate to go down that path. > >> Chrome does that and look what came out of it -- outdated patched > >> packages in the chrome codebase, with debian trying hard to unbundle > >> that stuff again. > > > > Yes, but we're going to do it all the same. We're tied to some of the > > tools we need and vendors aren't keeping pace with them either. dtc > > 1.4.0 (Ubuntu 16.04) is from 2013. dtc 1.4.3 is from last December. > > The new DTC version is only mandated by DTO support, which is not used > by anyone to my knowledge at this point. Whoever wants to use DTO, > should have new enough DTC and I'm fine with the build failing if they > don't.
Why yes, there is a chicken-and-egg problem with DTO support and adoption. Happily, Google has picked it up as part of how things are to be done with Android 8 so it should finally see wider adoption. -- Tom
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