[PATCH 0/9] dts: Move to SoC-specific build rules

[Simon Glass]

Hi Tom,

On Thu, Dec 28, 2023 at 2:23 PM Tom Rini <trini at konsulko.com> wrote:
>
> On Thu, Dec 28, 2023 at 01:37:07PM +0000, Simon Glass wrote:
> > Hi Tom,
> >
> > On Wed, Dec 27, 2023 at 1:21 PM Tom Rini <trini at konsulko.com> wrote:
> > >
> > > On Wed, Dec 27, 2023 at 08:23:56AM +0000, Simon Glass wrote:
> > >
> > > > U-Boot builds devicetree binaries from its source tree. As part of the
> > > > Kconfig conversion, the Makefiles were updated to align with how this
> > > > is done in Linux: a single target for each SoC is used to build all the
> > > > .dtb files for that SoC.
> > > >
> > > > Since then, the Makefiles have devolved in some cases, resulting in
> > > > lots of target-specific build rules. Also Linux has moved to using
> > > > subdirectories for each vendor.
> > > >
> > > > Recent work aims to allow U-Boot to directly use devicetree files from
> > > > Linux. This would be easier if the directory structure were the same.
> > > > Another recent discussion involved dropping the build rules altogether.
> > > >
> > > > This series makes a start at cleaning up some of the build rules, to
> > > > reduce the amount of code and make it easier to add new boards for the
> > > > same SoC.
> > > >
> > > > One issue is that the ARCH_xxx Kconfig options between U-Boot and Linux
> > > > are not always the same. Given the large number of SoCs and boards
> > > > supported by U-Boot, it would be useful to align these where possible.
> > >
> > > I don't know why we should start with this now, and further not being on
> > > top of Sumit's series to remove our duplicate dts files. And that's
> > > where we can have the conversation about for which cases it even makes
> > > sense to build all of the dts files for a given SoC.
> >
> > This is a completely different series - there are no conflicts with
> > Sumit's series so it can be applied before or after it.
> >
> > My goal here is to clean up our build rules, rather than just throwing
> > them all away, for reasons we have discussed previously. I filed [1]
> > to track that.
>
> Yes, I'm saying we shouldn't be doing anything this series does until
> after Sumit's series has landed. Along with the fact that I don't like
> what's going on in this series.

This seems to again be the disagreement over whether a single DT
should be build for each board, or all the DTs for an SoC?

Regards,
Simon