From: Bruce Allan <bruce.w.allan@intel.com>
Date: Wed, 1 Jul 2009 13:28:50 +0000 (+0000)
Subject: e1000e: delay second read of PHY_STATUS register on failure of first read
X-Git-Tag: v2.6.31-rc3~70^2~12
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=906e8d9792b1c4a8b58c1383f4c00fc4c9936fc3;p=pandora-kernel.git

e1000e: delay second read of PHY_STATUS register on failure of first read

Some PHYs may require two reads of the PHY_STATUS register to determine the
link status.  If the PHY is being accessed by another thread it is possible
the first read could timeout and fail.  In this case, put a delay in so
the second read will pick up the correct link status.

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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