linux-kernel - Re: [RFC 1/2] Makefile: Add arch/arch/$(hdr-arch)/boot in header include path

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Message-ID: <511E617E.6080206@wwwdotorg.org>
Date:	Fri, 15 Feb 2013 09:25:34 -0700
From:	Stephen Warren <swarren@...dotorg.org>
To:	Hiroshi Doyu <hdoyu@...dia.com>
CC:	linux-arm-kernel@...ts.infradead.org, linux-tegra@...r.kernel.org,
	Michal Marek <mmarek@...e.cz>,
	Stephen Warren <swarren@...dia.com>,
	Mike Turquette <mturquette@...aro.org>,
	Peter De Schrijver <pdeschrijver@...dia.com>,
	Prashant Gaikwad <pgaikwad@...dia.com>,
	Joseph Lo <josephl@...dia.com>, linux-kbuild@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Grant Likely <grant.likely@...retlab.ca>,
	Rob Herring <rob.herring@...xeda.com>,
	devicetree-discuss <devicetree-discuss@...ts.ozlabs.org>
Subject: Re: [RFC 1/2] Makefile: Add arch/arch/$(hdr-arch)/boot in header
 include path

On 02/15/2013 01:52 AM, Hiroshi Doyu wrote:
> With a new feature dtc+cpp, DT can introduces some definitions in its
> header files for their own. Some of those DT info can be used in
> kernel source as well, instead of having the duplicate info in kernel
> headers. This patch allows kernel source to include those DT
> headers. For example:
> 
> + #include <dts/tegra20-car.h>

Since this is devicetree-related, the DT maintainers should also be
CC'd. I've added them on this email, hence quoting the entire patch.

> 
> Signed-off-by: Hiroshi Doyu <hdoyu@...dia.com>
> ---
>  Makefile |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/Makefile b/Makefile
> index 0b4bf62..7f54cdb 100644
> --- a/Makefile
> +++ b/Makefile
> @@ -364,7 +364,7 @@ LINUXINCLUDE    := \
>  		-I$(srctree)/arch/$(hdr-arch)/include \
>  		-Iarch/$(hdr-arch)/include/generated \
>  		$(if $(KBUILD_SRC), -I$(srctree)/include) \
> -		-Iinclude \
> +		-Iinclude -Iarch/$(hdr-arch)/boot \
>  		$(USERINCLUDE)
>  
>  KBUILD_CPPFLAGS := -D__KERNEL__
> 

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