linux-kernel - Re: [PATCH v2 4/4] i2c: piix4: Register SPDs

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: <2bbdb1bd-ea4d-4c14-9ea7-9fce09ac76b7@roeck-us.net>
Date: Fri, 28 Jun 2024 16:09:09 -0700
From: Guenter Roeck <linux@...ck-us.net>
To: Thomas Weißschuh <linux@...ssschuh.net>,
 Andi Shyti <andi.shyti@...nel.org>, Jean Delvare <jdelvare@...e.com>
Cc: linux-i2c@...r.kernel.org, linux-kernel@...r.kernel.org,
 Wolfram Sang <wsa+renesas@...g-engineering.com>,
 Heiner Kallweit <hkallweit1@...il.com>
Subject: Re: [PATCH v2 4/4] i2c: piix4: Register SPDs

On 6/27/24 10:48, Thomas Weißschuh wrote:
> The piix4 I2C bus can carry SPDs, register them if present.
> Only look on bus 0, as this is where the SPDs seem to be located.
> 
> Only the first 8 slots are supported. If the system has more,
> then these will not be visible.
> 
> The AUX bus can not be probed as on some platforms it reports all
> devices present and all reads return "0".
> This would allow the ee1004 to be probed incorrectly.

Was this reported somewhere ? I don't see it happen on any of my systems
(of course that doesn't really mean anything).

> 
> Signed-off-by: Thomas Weißschuh <linux@...ssschuh.net>

Reviewed-and-tested-by: Guenter Roeck <linux@...ck-us.net>

Thanks,
Guenter