linux-kernel - Re: [PATCH] dt-bindings: pinctrl: drive-strength doesn't default to 2 if unspecified

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 PHC
Open Source and information security mailing list archives

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

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

Date:   Sun, 16 Jan 2022 01:58:43 +0100
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Douglas Anderson <dianders@...omium.org>
Cc:     Bjorn Andersson <bjorn.andersson@...aro.org>,
        Stephen Boyd <swboyd@...omium.org>,
        Matthias Kaehlcke <mka@...omium.org>,
        linux-arm-msm@...r.kernel.org, Andy Gross <agross@...nel.org>,
        Rob Herring <robh+dt@...nel.org>, devicetree@...r.kernel.org,
        linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] dt-bindings: pinctrl: drive-strength doesn't default to 2
 if unspecified

On Tue, Jan 11, 2022 at 11:05 PM Douglas Anderson <dianders@...omium.org> wrote:

> If the drive-strength isn't specified in the device tree then it
> doesn't actually default to 2. Instead, it defaults to whatever the
> heck the BIOS left it at. If the BIOS doesn't touch it then that means
> it's whatever the heck the initial state of the pin was when the SoC
> booted.
>
> Reported-by: Matthias Kaehlcke <mka@...omium.org>
> Signed-off-by: Douglas Anderson <dianders@...omium.org>

Patch applied.

Yours,
Linus Walleij