From: Anton Vorontsov <avorontsov@ru.mvista.com>
Date: Thu, 24 Dec 2009 05:31:20 +0000 (+0000)
Subject: ucc_geth: Don't needlessly change MAC settings in adjust_link()
X-Git-Tag: v2.6.33-rc3~44^2~6
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=08fafd8461c0ca8d1b389b7dc11d17e7b2331282;p=pandora-kernel.git

ucc_geth: Don't needlessly change MAC settings in adjust_link()

If PHY doesn't have an IRQ, phylib would poll for link changes, and
would call adjust_link() every second. In that case we disable and
enable the controller every second.

Let's better check if there is actually anything changed, and, if so,
change the MAC settings.

Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

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