linux-kernel - Re: [PATCH 3/4] arm64: dts: exynos: make tm2 and tm2e independent from each other

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Date:   Tue, 3 Jan 2017 12:01:19 +0200
From:   Krzysztof Kozlowski <krzk@...nel.org>
To:     Andi Shyti <andi.shyti@...sung.com>
Cc:     Jaechul Lee <jcsing.lee@...sung.com>,
        Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will.deacon@....com>,
        Kukjin Kim <kgene@...nel.org>,
        Javier Martinez Canillas <javier@....samsung.com>,
        Chanwoo Choi <cw00.choi@...sung.com>, beomho.seo@...sung.com,
        galaxyra@...il.com, linux-arm-kernel@...ts.infradead.org,
        linux-input@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-samsung-soc@...r.kernel.org
Subject: Re: [PATCH 3/4] arm64: dts: exynos: make tm2 and tm2e independent
 from each other

On Tue, Jan 3, 2017 at 11:58 AM, Andi Shyti <andi.shyti@...sung.com> wrote:
> Hi Krzysztof,
>
>> > Currently tm2e dts includes tm2 but there are some differences
>> > between the two boards and tm2 has some properties that tm2e
>> > doesn't have.
>> >
>> > That's why it's important to keep the two dts files independent
>> > and put all the commonalities in a tm2-common.dtsi file.
>> >
>> > Signed-off-by: Andi Shyti <andi.shyti@...sung.com>
>> > Signed-off-by: Jaechul Lee <jcsing.lee@...sung.com>
>> > ---
>> >  .../boot/dts/exynos/exynos5433-tm2-common.dtsi     | 1046 ++++++++++++++++++++
>> >  arch/arm64/boot/dts/exynos/exynos5433-tm2.dts      | 1033 +------------------
>> >  arch/arm64/boot/dts/exynos/exynos5433-tm2e.dts     |    2 +-
>> >  3 files changed, 1049 insertions(+), 1032 deletions(-)
>> >  create mode 100644 arch/arm64/boot/dts/exynos/exynos5433-tm2-common.dtsi
>>
>> I would like to see here the rename and diff from it. Not entire delta
>> (deletions and addons). It is not possible to compare it... I think
>> git supports it by default with similarity of 50%.
>
> I understand, it's indeed quite cryptic to understand. But all
> the diff algorithms (patience, minimal, histogram, myers) give
> the same result. I don't know how to make it better.
>
> I could split this patch, but this also means breaking tm2's
> functionality, which looks worse.
>
> Please tell me if you know a better way for generating the patch.

git format-patch -M95%?

Krzysztof