[PATCH v2 6/9] kbuild: consolidate Devicetree dtb build rules

[Paul Burton]

Hi Rob,

On Wed, Sep 05, 2018 at 06:53:24PM -0500, Rob Herring wrote:
> There is nothing arch specific about building dtb files other than their
> location under /arch/*/boot/dts/. Keeping each arch aligned is a pain.
> The dependencies and supported targets are all slightly different.
> Also, a cross-compiler for each arch is needed, but really the host
> compiler preprocessor is perfectly fine for building dtbs. Move the
> build rules to a common location and remove the arch specific ones. This
> is done in a single step to avoid warnings about overriding rules.
> 
> The build dependencies had been a mixture of 'scripts' and/or 'prepare'.
> These pull in several dependencies some of which need a target compiler
> (specifically devicetable-offsets.h) and aren't needed to build dtbs.
> All that is really needed is dtc, so adjust the dependencies to only be
> dtc.
> 
> This change enables support 'dtbs_install' on some arches which were
> missing the target.
> 
>%
> Signed-off-by: Rob Herring <robh at kernel.org>
> ---
> Please ack so I can take the whole series via the DT tree.

For MIPS:

    Acked-by: Paul Burton <paul.burton at mips.com>

Thanks,
    Paul