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

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Date:   Tue, 03 Jan 2017 18:58:42 +0900
From:   Andi Shyti <andi.shyti@...sung.com>
To:     Krzysztof Kozlowski <krzk@...nel.org>
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

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.

Thanks,
Andi