From: Bruce Allan <bruce.w.allan@intel.com>
Date: Tue, 8 Dec 2009 07:28:20 +0000 (+0000)
Subject: e1000e: only perform ESB2 MDIC workaround on certain configurations
X-Git-Tag: v2.6.33-rc1~299^2~40
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3421eecdee750bafc78b12ac25b3e980195265eb;p=pandora-kernel.git

e1000e: only perform ESB2 MDIC workaround on certain configurations

A workaround added for all ESB2 devices (adds a delay for all MDIC accesses
which resolves an issue with the MDIC ready bit being set prematurely) is
applicable only to devices in which the MAC-PHY interconnect is not
operating in a certain mode with in-band MDIO.  Check the control register
for the operating mode and enable the workaround accordingly.

Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

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