linux-kernel - Re: [PATCH v2] pinctrl: samsung: fix missing GPIOLIB on ARM64 Exynos config

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <CAK8P3a0QRgv3ebv_=UYHb61PdqprB0wC+mfQpsGHsw3KqQSo7w@mail.gmail.com>
Date:   Wed, 20 Apr 2022 22:44:30 +0200
From:   Arnd Bergmann <arnd@...db.de>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Cc:     Alim Akhtar <alim.akhtar@...sung.com>,
        Tomasz Figa <tomasz.figa@...il.com>,
        Sylwester Nawrocki <s.nawrocki@...sung.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        "moderated list:ARM/SAMSUNG EXYNOS ARM ARCHITECTURES" 
        <linux-samsung-soc@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        Arnd Bergmann <arnd@...db.de>,
        Necip Fazil Yildiran <fazilyildiran@...il.com>,
        "# 3.4.x" <stable@...r.kernel.org>
Subject: Re: [PATCH v2] pinctrl: samsung: fix missing GPIOLIB on ARM64 Exynos config

On Wed, Apr 20, 2022 at 4:14 PM Krzysztof Kozlowski
<krzysztof.kozlowski@...aro.org> wrote:
>
> The Samsung pinctrl drivers depend on OF_GPIO, which is part of GPIOLIB.
> ARMv7 Exynos platform selects GPIOLIB and Samsung pinctrl drivers. ARMv8
> Exynos selects only the latter leading to possible wrong configuration
> on ARMv8 build:
>
>   WARNING: unmet direct dependencies detected for PINCTRL_EXYNOS
>     Depends on [n]: PINCTRL [=y] && OF_GPIO [=n] && (ARCH_EXYNOS [=y] || ARCH_S5PV210 || COMPILE_TEST [=y])
>     Selected by [y]:
>     - ARCH_EXYNOS [=y]
>
> Always select the GPIOLIB from the Samsung pinctrl drivers to fix the
> issue.  This requires removing of OF_GPIO dependency (to avoid recursive
> dependency), so add dependency on OF for COMPILE_TEST cases.
>
> Reported-by: Necip Fazil Yildiran <fazilyildiran@...il.com>
> Fixes: eed6b3eb20b9 ("arm64: Split out platform options to separate Kconfig")
> Cc: <stable@...r.kernel.org>
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>

Looks good to me,

Reviewed-by: Arnd Bergmann <arnd@...db.de>