Re: [PATCH] de2104x: disable autonegotiation on broken hardware
From: David Miller
Date: Sat Sep 25 2010 - 01:40:54 EST
From: Ondrej Zary <linux@xxxxxxxxxxxxxxxxxxxx>
Date: Thu, 23 Sep 2010 23:18:08 +0200
> On Thursday 23 September 2010 23:03:13 Jeff Garzik wrote:
>> On Thu, Sep 23, 2010 at 4:59 PM, Ondrej Zary <linux@xxxxxxxxxxxxxxxxxxxx>
> wrote:
>> > At least on older 21041-AA chips (mine is rev. 11), TP duplex
>> > autonegotiation causes the card not to work at all (link is up but no
>> > packets are transmitted).
>> >
>> > de4x5 disables autonegotiation completely. But it seems to work on newer
>> > (21041-PA rev. 21) so disable it only on rev<20 chips.
>> >
>> > Signed-off-by: Ondrej Zary <linux@xxxxxxxxxxxxxxxxxxxx>
...
>> Interesting... I never knew about that quirk.
>
> This errata document says that autonegotiation is somehow broken but it does
> not specify it further:
> http://ftp.nluug.nl/ftp/ftp/pub/os/NetBSD/misc/dec-docs/ec-qd2ma-te.ps.gz
Applied, thanks guys!
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