linux-kernel - Re: [PATCH v2] dtb: Create a common home for cross-architecture dtsi files.

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Date:	Fri, 31 Jul 2015 14:46:18 +0900
From:	Masahiro Yamada <yamada.masahiro@...ionext.com>
To:	Rob Herring <robherring2@...il.com>
Cc:	Ian Campbell <ian.campbell@...rix.com>,
	Mark Rutland <mark.rutland@....com>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
	Russell King <linux@....linux.org.uk>,
	Pawel Moll <pawel.moll@....com>,
	Linux Kbuild mailing list <linux-kbuild@...r.kernel.org>,
	Catalin Marinas <catalin.marinas@....com>,
	Kumar Gala <galak@...eaurora.org>,
	Liviu Dudau <liviu.dudau@....com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Will Deacon <will.deacon@....com>,
	Rob Herring <robh+dt@...nel.org>,
	Kristina Martsenko <kristina.martsenko@....com>,
	Sudeep Holla <sudeep.holla@....com>,
	Kevin Hilman <khilman@...aro.org>,
	linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH v2] dtb: Create a common home for cross-architecture dtsi files.

Hi.

2015-07-30 10:30 GMT+09:00 Masahiro Yamada <yamada.masahiro@...ionext.com>:
> Hi,
>
>
> 2015-07-30 0:23 GMT+09:00 Rob Herring <robherring2@...il.com>:
>> On Wed, Jul 29, 2015 at 8:22 AM, Ian Campbell <ian.campbell@...rix.com> wrote:
>>> On Wed, 2015-07-29 at 20:07 +0900, Masahiro Yamada wrote:
>>>> Hi Ian,
>>>>
>>>>
>>>> 2015-07-27 19:35 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.



BTW, is there any chance to merge arch/arm64 and arch/arm in the future?

For example, U-boot supports ARM64/32 in a single arch directory, arch/arm/.


I guess, the cross-arch home directory for DTSI would be only used to
share device trees between arm64 and arm32.





-- 
Best Regards
Masahiro Yamada
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