From: Florian Fainelli <f.fainelli@gmail.com>
Date: Tue, 22 Jul 2014 00:42:39 +0000 (-0700)
Subject: net: bcmgenet: only update UMAC_CMD if something changed
X-Git-Tag: cleanup-for-v3.18~108^2~116
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=240524089d7a5c0396656574e299beb3a55461e3;p=pandora-kernel.git

net: bcmgenet: only update UMAC_CMD if something changed

The link adjustment callback can be called as frequently as desired
by the PHY library, as such, let's avoid doing a Read/Modify/Write
sequence if nothing changed, since these register accesses can be
expensive.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

Reading git-diff-tree failed