linux-kernel - Re: [PATCH 0/4] Fix Samsung pinctrl driver static allocation of GPIO base warning

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Message-ID: <c15cb2ef-81b4-4a07-94a1-4312e7886f4b@samsung.com>
Date:   Mon, 9 Oct 2023 12:02:58 +0200
From:   Marek Szyprowski <m.szyprowski@...sung.com>
To:     Mateusz Majewski <m.majewski2@...sung.com>,
        linux-arm-kernel@...ts.infradead.org,
        linux-samsung-soc@...r.kernel.org, linux-gpio@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     Tomasz Figa <tomasz.figa@...il.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Sylwester Nawrocki <s.nawrocki@...sung.com>,
        Alim Akhtar <alim.akhtar@...sung.com>,
        Linus Walleij <linus.walleij@...aro.org>
Subject: Re: [PATCH 0/4] Fix Samsung pinctrl driver static allocation of
 GPIO base warning

On 06.10.2023 14:55, Mateusz Majewski wrote:
> The object of this work is fixing the following warning, which appears
> on all targets using that driver:
>
> gpio gpiochip0: Static allocation of GPIO base is deprecated, use dynamic allocation.
>
> This needs a small refactor to how we interact with the pinctrl
> subsystem. Finally, we remove some bookkeeping that has only been
> necessary to allocate GPIO bases correctly.
>
> Mateusz Majewski (4):
>    pinctrl: samsung: defer pinctrl_enable
>    pinctrl: samsung: use add_pin_ranges method to add pinctrl ranges
>    pinctrl: samsung: choose GPIO numberspace base dynamically
>    pinctrl: samsung: do not offset pinctrl numberspaces
>
>   drivers/pinctrl/samsung/pinctrl-samsung.c | 56 ++++++++++++-----------
>   drivers/pinctrl/samsung/pinctrl-samsung.h |  4 +-
>   2 files changed, 31 insertions(+), 29 deletions(-)

Just to let everyone know - I've tested this patchset on our test farm 
and found no regressions on various Exynos based boards.

Tested-by: Marek Szyprowski <m.szyprowski@...sung.com>

Best regards
-- 
Marek Szyprowski, PhD
Samsung R&D Institute Poland