netdev - Re: [PATCH net-next 1/2] net: sfp: VSOL V2801F / CarlitoxxPro CPGOS03-0490 v2.0 workaround

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Date:   Wed, 9 Dec 2020 11:20:13 +0000
From:   Russell King - ARM Linux admin <linux@...linux.org.uk>
To:     Andrew Lunn <andrew@...n.ch>
Cc:     Heiner Kallweit <hkallweit1@...il.com>,
        Pali Rohár <pali@...nel.org>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>, netdev@...r.kernel.org
Subject: Re: [PATCH net-next 1/2] net: sfp: VSOL V2801F / CarlitoxxPro
 CPGOS03-0490 v2.0 workaround

On Fri, Dec 04, 2020 at 04:31:52PM +0100, Andrew Lunn wrote:
> > +/* Some modules (Nokia 3FE46541AA) lock up if byte 0x51 is read as a
> > + * single read. Switch back to reading 16 byte blocks unless we have
> > + * a CarlitoxxPro module (rebranded VSOL V2801F). Even more annoyingly,
> > + * some VSOL V2801F have the vendor name changed to OEM.
> 
> Hi Russell
> 
> I guess it is more likely, the vendor name has not been changed _from_
> OEM.

That is very unclear what happened: it seems older dated modules used
VSOL and later ones use OEM, so I think the way I describe it is
likely accurate from what we can observe.

-- 
RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
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