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Date:	Wed, 18 Jan 2012 16:41:45 -0500 (EST)
From:	David Miller <>
Cc:,,,,,,,,, David.Laight@...LAB.COM,
Subject: Re: [PATCH] pch_gbe: Do not abort probe on bad MAC

From: Darren Hart <>
Date: Mon, 16 Jan 2012 11:50:19 -0800

> If the MAC is invalid or not implemented, do not abort the probe. Issue
> a warning and prevent bringing the interface up until a MAC is set manually
> (via ifconfig $IFACE hw ether $MAC).
> Tested on two platforms, one with a valid MAC, the other without a MAC. The real
> MAC is used if present, the interface fails to come up until the MAC is set on
> the other. They successfully get an IP over DHCP and pass a simple ping and
> login over ssh test.
> This is meant to allow the Inforce SYS940X development board:
> (and others suffering from a missing MAC) to work with the mainline kernel.
> Without this patch, the probe will fail and the interface will not be created,
> preventing the user from configuring the MAC manually.
> This does not make any attempt to address a missing or invalid MAC for the
> pch_phub driver.
> Signed-off-by: Darren Hart <>

Applied, thanks.
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