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From: David Miller <davem@davemloft.net>
To: mchan@broadcom.com
Cc: netdev@vger.kernel.org
Subject: Re: [TG3]: Fix link problem on Dell's onboard 5906.
Date: Thu, 31 May 2007 14:50:24 -0700 (PDT)	[thread overview]
Message-ID: <20070531.145024.52169518.davem@davemloft.net> (raw)
In-Reply-To: <1180649019.20882.3.camel@dell>

From: "Michael Chan" <mchan@broadcom.com>
Date: Thu, 31 May 2007 15:03:39 -0700

> [TG3]: Fix link problem on Dell's onboard 5906.
> 
> The bug is caused by code that always set
> (TG3_FLAG_USE_MI_INTERRUPT | TG3_FLAG_USE_LINKCHG_REG) on all Dell's
> onboard devices.  With these 2 flags set, the link status is polled
> by tg3_timer() and will only work when the PHY is set up to interrupt
> the MAC on link changes.  This breaks 5906 because the 5906 PHY does
> not support TG3_FLAG_USE_MI_INTERRUPT the same as other PHYs.
> 
> For correctness, only Dell's onboard 5701 needs these 2 flags to be
> set.  This change will fix the 5906 problem and will change other
> Dell devices except 5700 and 5701 to use the more efficient
> interrupt-driven link changes.
> 
> Update version to 3.77.
> 
> Signed-off-by: Michael Chan <mchan@broadcom.com>

Patch applied, thanks for fixing this bug Michael.

That Dell onboard chip logic is definitely my fault :)

      reply	other threads:[~2007-05-31 21:50 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-05-31 22:03 [TG3]: Fix link problem on Dell's onboard 5906 Michael Chan
2007-05-31 21:50 ` David Miller [this message]

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