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Date: Fri, 31 Jul 2015 14:46:18 +0900
Message-ID: <CAK7LNAQ4hT133v0iH7z6JxfaBDjrGgaX2M9pA9H=sPxsmorDNw@mail.gmail.com>
Subject: Re: [PATCH v2] dtb: Create a common home for cross-architecture dtsi files.
From: Masahiro Yamada <yamada.masahiro@socionext.com>
To: Rob Herring <robherring2@gmail.com>
Cc: Ian Campbell <ian.campbell@citrix.com>,
        Mark Rutland <mark.rutland@arm.com>,
        "devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
        Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
        Russell King <linux@arm.linux.org.uk>, Pawel Moll <pawel.moll@arm.com>,
        Linux Kbuild mailing list <linux-kbuild@vger.kernel.org>,
        Catalin Marinas <catalin.marinas@arm.com>,
        Kumar Gala <galak@codeaurora.org>, Liviu Dudau <liviu.dudau@arm.com>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        Will Deacon <will.deacon@arm.com>, Rob Herring <robh+dt@kernel.org>,
        Kristina Martsenko <kristina.martsenko@arm.com>,
        Sudeep Holla <sudeep.holla@arm.com>, Kevin Hilman <khilman@linaro.org>,
        linux-arm-kernel <linux-arm-kernel@lists.infradead.org>
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Hi.

2015-07-30 10:30 GMT+09:00 Masahiro Yamada <yamada.masahiro@socionext.com>:
> Hi,
>
>
> 2015-07-30 0:23 GMT+09:00 Rob Herring <robherring2@gmail.com>:
>> On Wed, Jul 29, 2015 at 8:22 AM, Ian Campbell <ian.campbell@citrix.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@citrix.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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