Messages in this thread | | | Date | Mon, 10 Sep 2012 20:17:47 +0200 | From | Lutz Jaenicke <> | Subject | Re: [PATCH v2] lxt PHY: Support for the buggy LXT973 rev A2 |
| |
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 -- Dr.-Ing. Lutz Jänicke CTO Innominate Security Technologies AG /protecting industrial networks/ tel: +49.30.921028-200 fax: +49.30.921028-020 Rudower Chaussee 13 D-12489 Berlin, Germany www.innominate.com
Register Court: AG Charlottenburg, HR B 81603 Management Board: Dirk Seewald Chairman of the Supervisory Board: Christoph Leifer -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |