linux-kernel - RE: [PATCH v1] pinctrl: samsung: Finish initializing the gpios before registering them

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: <000001d8a15c$da89d980$8f9d8c80$@samsung.com>
Date:   Wed, 27 Jul 2022 11:01:58 +0900
From:   "Chanho Park" <chanho61.park@...sung.com>
To:     "'Saravana Kannan'" <saravanak@...gle.com>,
        "'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>
Cc:     <kernel-team@...roid.com>, <linux-arm-kernel@...ts.infradead.org>,
        <linux-samsung-soc@...r.kernel.org>, <linux-gpio@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH v1] pinctrl: samsung: Finish initializing the gpios
 before registering them

> Subject: [PATCH v1] pinctrl: samsung: Finish initializing the gpios before
> registering them
> 
> As soon as a gpio is registered, it should be usable by a consumer. So, do
> all the initialization before registering the gpios. Without this change,
> a consumer can request a GPIO IRQ and have the gpio to IRQ mapping fail.
> 
> Signed-off-by: Saravana Kannan <saravanak@...gle.com>

Make sense for me and I tested this on my Exynos Auto v9 SADK board.

Reviewed-by: Chanho Park <chanho61.park@...sung.com>
Tested-by: Chanho Park <chanho61.park@...sung.com>

Best Regards,
Chanho Park