From 49692ca1e686970bac5726c3fd925427bb3ae89d Mon Sep 17 00:00:00 2001
From: Matt Carlson <mcarlson@broadcom.com>
Date: Tue, 25 Jan 2011 15:58:52 +0000
Subject: [PATCH] tg3: Fix loopback tests

The half-duplex bit in the MAC MODE register will be set during the
loopback test if the external link is in half-duplex mode.  This will
cause the loopback test to fail on newer devices.  This patch turns the
half-duplex bit off for the test.

Also, newer devices fail the internal phy loopback test because the phy
link takes a little while to come up.  This patch adds code to wait for
the link before proceeding with the test.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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