[PATCH] arc: Add "include chroot" for DT bindings

[Rob Herring]

On Tue, May 30, 2017 at 8:22 AM, Alexey Brodkin
<Alexey.Brodkin at synopsys.com> wrote:
> Basically this extends
> c58299aa8754 "kbuild: create an "include chroot" for DT bindings" for
> ARC where we extensively use Device Tree and there're good reasons
> to use DT bindings, especially if those are required.
>
> Otherwise on attempt to compile .dts with something like:
> -------------------->8---------------------
>  #include <dt-bindings/net/ti-dp83867.h>
> -------------------->8---------------------
>
> we inevitably see this compilation failure:
> -------------------->8---------------------
> arch/arc/boot/dts/hsdk.dts:16:40: fatal error: dt-bindings/net/ti-dp83867.h: No such file or directory
>  #include <dt-bindings/net/ti-dp83867.h>
>                                         ^
> compilation terminated.
> -------------------->8---------------------
>
> Signed-off-by: Alexey Brodkin <abrodkin at synopsys.com>
> Cc: Stephen Warren <swarren at wwwdotorg.org>
> Cc: Rob Herring <robh+dt at kernel.org>
> ---
>  arch/arc/boot/dts/include/dt-bindings | 1 +
>  1 file changed, 1 insertion(+)
>  create mode 120000 arch/arc/boot/dts/include/dt-bindings

I believe commit d5d332d3f7e8 ("devicetree: Move include prefixes from
arch to separate directory") does what you want.

Rob