netdev - Re: [PATCH v2] lxt PHY: Support for the buggy LXT973 rev A2

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:	Sat, 22 Sep 2012 18:21:38 +0200
From:	leroy christophe <christophe.leroy@....fr>
To:	Lutz Jaenicke <ljaenicke@...ominate.com>
CC:	David S Miller <davem@...emloft.net>, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] lxt PHY: Support for the buggy LXT973 rev A2


Le 10/09/2012 20:17, Lutz Jaenicke a écrit :
> On Mon, Sep 10, 2012 at 05:45:49PM +0200, Christophe Leroy wrote:
>> This patch adds proper handling of the buggy revision A2 of LXT973 phy, adding
>> precautions linked to ERRATA Item 4:
>>
>> Item 4: MDIO Interface and Repeated Polling
>> Problem: Repeated polling of odd-numbered registers via the MDIO interface
>> 	randomly returns the contents of the previous even register.
>> Implication: Managed applications may not obtain the correct register contents
>> 	when a particular register is monitored for device status.
>> Workaround: None.
>> Status: This erratum has been previously fixed (in rev A3)
> Hmm. Were did you get the hardware from? We have been using LXT973 in
> our products and the A2 was replaced by A3 in 2003.
>
> Best regards,
> 	Lutz
They are custom boards that my company manufactures. Most boards 
manufactured before 2006 or 2007 have this buggy chip.

Regards
Christophe
--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html