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

From: Rob Herring
Date: Tue May 30 2017 - 12:57:06 EST


On Tue, May 30, 2017 at 8:22 AM, Alexey Brodkin
<Alexey.Brodkin@xxxxxxxxxxxx> 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@xxxxxxxxxxxx>
> Cc: Stephen Warren <swarren@xxxxxxxxxxxxx>
> Cc: Rob Herring <robh+dt@xxxxxxxxxx>
> ---
> 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