linux-kernel - Re: [PATCH v3 1/2] net: fec: restore handling of PHY reset line as optional

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:   Thu, 2 Feb 2023 10:45:23 +0100
From:   Marc Kleine-Budde <mkl@...gutronix.de>
To:     Dmitry Torokhov <dmitry.torokhov@...il.com>
Cc:     Wei Fang <wei.fang@....com>, Jakub Kicinski <kuba@...nel.org>,
        Andrew Lunn <andrew@...n.ch>, Arnd Bergmann <arnd@...db.de>,
        Shenwei Wang <shenwei.wang@....com>,
        Clark Wang <xiaoning.wang@....com>,
        NXP Linux Team <linux-imx@....com>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Paolo Abeni <pabeni@...hat.com>, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 1/2] net: fec: restore handling of PHY reset line as
 optional

On 01.02.2023 13:53:19, Dmitry Torokhov wrote:
> Conversion of the driver to gpiod API done in 468ba54bd616 ("fec:
> convert to gpio descriptor") incorrectly made reset line mandatory and
> resulted in aborting driver probe in cases where reset line was not
> specified (note: this way of specifying PHY reset line is actually
> deprecated).
> 
> Switch to using devm_gpiod_get_optional() and skip manipulating reset
> line if it can not be located.
> 
> Fixes: 468ba54bd616 ("fec: convert to gpio descriptor")
> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@...il.com>

Reported-by: Marc Kleine-Budde <mkl@...gutronix.de>
Tested-by: Marc Kleine-Budde <mkl@...gutronix.de>

Marc

-- 
Pengutronix e.K.                 | Marc Kleine-Budde           |
Embedded Linux                   | https://www.pengutronix.de  |
Vertretung West/Dortmund         | Phone: +49-231-2826-924     |
Amtsgericht Hildesheim, HRA 2686 | Fax:   +49-5121-206917-5555 |

Download attachment "signature.asc" of type "application/pgp-signature" (489 bytes)