From mboxrd@z Thu Jan  1 00:00:00 1970
From: Roger Luethi <rl@hellgate.ch>
Subject: pci-skeleton duplex check
Date: Wed, 11 Dec 2002 14:24:36 +0100
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pci-skeleton (and some other net drivers) figure out the duplex setting
like this (leaving duplex locks out here):

int duplex = (lpar & 0x0100) || (lpar & 0x01C0) == 0x0040;

If we get past the first condition, we already know bit 8 must be 0. Why do
we check again in the second condition?

Roger