linux-kernel - Re: [PATCH 0/2] pinctrl: samsung: Split per ARMv7/v8 arch

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Date:   Wed, 24 May 2017 22:09:19 +0530
From:   Alim Akhtar <alim.akhtar@...il.com>
To:     Krzysztof Kozlowski <krzk@...nel.org>
Cc:     Tomasz Figa <tomasz.figa@...il.com>,
        Sylwester Nawrocki <s.nawrocki@...sung.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        Kukjin Kim <kgene@...nel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-samsung-soc@...r.kernel.org" 
        <linux-samsung-soc@...r.kernel.org>, linux-gpio@...r.kernel.org,
        Chanwoo Choi <cw00.choi@...sung.com>,
        Marek Szyprowski <m.szyprowski@...sung.com>,
        Alim Akhtar <alim.akhtar@...sung.com>,
        Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>
Subject: Re: [PATCH 0/2] pinctrl: samsung: Split per ARMv7/v8 arch

Hi Krzysztof,

On Wed, May 17, 2017 at 1:36 AM, Krzysztof Kozlowski <krzk@...nel.org> wrote:
> Hi,
>
> There will not be a shared image between ARMv7 and ARMv8 so there is no need to
> combine all of this into one driver.
>
> Splitting the data allows to make it more granular (e.g. code related to
> ARMv8 Exynos is self-contained), slightly speed up the compilation and
> reduce the effective size of compiled kernel.
>
> Diff of second patch is not nice... but it is the best I created.
> Experimenting with -B and -M resulted in detection of copy/rename but end
> diff was 60% bigger in lines of patch.
>
> Tests on ARMv8 would be much appreciated.
>
>
> Best regards,
> Krzysztof
>
>
> Krzysztof Kozlowski (2):
>   pinctrl: samsung: Add include guard to local header
>   pinctrl: samsung: Split Exynos drivers per ARMv7 and ARMv8
>
Patch: 2/2 was not applying cleanly on 4.12-rc1. Sorry if I am missing
any dependent patches.
Anyway with a minor conflict fix for 4.12-rc1, I am able to test this
series on exynos7 espresso board.
Looks good to me.
Feel free to add
Reviewed-by: Alim Akhtar <alim.akhtar@...sung.com>

As this works on exynos7, tested SD/eMMC card detection which depends
on pinctrl configs. So
Tested-by: Alim Akhtar <alim.akhtar@...sung.com>


>  drivers/pinctrl/samsung/Kconfig                |   10 +
>  drivers/pinctrl/samsung/Makefile               |    2 +
>  drivers/pinctrl/samsung/pinctrl-exynos-arm.c   |  815 +++++++++++++++++
>  drivers/pinctrl/samsung/pinctrl-exynos-arm64.c |  399 ++++++++
>  drivers/pinctrl/samsung/pinctrl-exynos.c       | 1163 +-----------------------
>  drivers/pinctrl/samsung/pinctrl-exynos.h       |   13 +
>  drivers/pinctrl/samsung/pinctrl-samsung.c      |    8 +-
>  7 files changed, 1250 insertions(+), 1160 deletions(-)
>  create mode 100644 drivers/pinctrl/samsung/pinctrl-exynos-arm.c
>  create mode 100644 drivers/pinctrl/samsung/pinctrl-exynos-arm64.c
>
> --
> 2.9.3
>
> --
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-- 
Regards,
Alim