linux-kernel - Re: REGRESSION: [PATCH v5 3/3] gpiolib: Show correct direction from the beginning

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]

Date:   Fri, 12 Oct 2018 11:08:50 +0200
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Marcel Ziswiler <marcel.ziswiler@...adex.com>
Cc:     timur@...nel.org, Stephen Boyd <swboyd@...omium.org>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        jhugo@...eaurora.org,
        Ricardo Ribalda Delgado <ricardo.ribalda@...il.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: REGRESSION: [PATCH v5 3/3] gpiolib: Show correct direction from
 the beginning

On Fri, Oct 12, 2018 at 11:00 AM Marcel Ziswiler
<marcel.ziswiler@...adex.com> wrote:
> On Fri, 2018-10-05 at 08:53 +0200, Ricardo Ribalda Delgado wrote:
> > Current code assumes that the direction is input if direction_input
> > function is set.
> > This might not be the case on GPIOs with programmable direction.
>
> Unfortunately, this breaks at least Apalis T30 and Apalis TK1. Enabling
> earlycon reveals the following:

Does this (just applied) patch fix the issue?
https://marc.info/?l=linux-kernel&m=153932470412013&w=2

Yours,
Linus Walleij