linux-kernel - Re: [PATCH v4] dtb: Create a common home for cross-architecture dtsi files.

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Date:	Tue, 11 Aug 2015 13:00:06 +0900
From:	Masahiro Yamada <yamada.masahiro@...ionext.com>
To:	Ian Campbell <ian.campbell@...rix.com>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Kumar Gala <galak@...eaurora.org>,
	Liviu Dudau <liviu.dudau@....com>,
	Sudeep Holla <sudeep.holla@....com>,
	Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
	Russell King <linux@....linux.org.uk>,
	Catalin Marinas <catalin.marinas@....com>,
	Will Deacon <will.deacon@....com>,
	Kristina Martsenko <kristina.martsenko@....com>,
	Kevin Hilman <khilman@...aro.org>, devicetree@...r.kernel.org,
	linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
	Linux Kbuild mailing list <linux-kbuild@...r.kernel.org>
Subject: Re: [PATCH v4] dtb: Create a common home for cross-architecture dtsi files.

Hi

2015-08-04 1:06 GMT+09:00 Ian Campbell <ian.campbell@...rix.com>:
> Commit 9ccd608070b6 ("arm64: dts: add device tree for ARM SMM-A53x2 on
> LogicTile Express 20MG") added a new dts file to arch/arm64 which
> included "../../../../arm/boot/dts/vexpress-v2m-rs1.dtsi", i.e. a
> .dtsi supplied by arch/arm.
>
> Unfortunately this causes some issues for the split device tree
> repository[0], since things get moved around there. In that context
> the new .dts ends up at src/arm64/arm/vexpress-v2f-1xv7-ca53x2.dts
> while the include is at src/arm/vexpress-v2m-rs1.dtsi.
>
> The sharing of the .dtsi is legitimate since the baseboard is the same
> for various vexpress systems whatever processor they use.
>
> Rather than using ../../ tricks to pickup .dtsi files from another
> arch this patch creates a new directory kernel/dts as a home for such
> cross-arch .dtsi files and arranges for it to be in the include path
> for both dtc and cpp. The dtsi file itself is moved into a vendor
> subdir in this case "arm" (the vendor, not the ARCH=).


Question:
If this patch is applied, which directory will be created in
device-tree-rebasing?
src/kernel/, src/common/, or something else?
Either will do, of course.


Another nit:
I just noticed a period at the end of the commit subject.
Re-post would not be needed only for such a minor thing,
but please try best to remember to drop it when this patch is applied.




-- 
Best Regards
Masahiro Yamada
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