From: Koki Sanagi <sanagi.koki@jp.fujitsu.com>
Date: Wed, 4 Jan 2012 20:23:38 +0000 (+0000)
Subject: igb: reset PHY after recovering from PHY power down
X-Git-Tag: v3.3-rc1~182^2~15
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a95a07445ee97a2fef65befafbadcc30ca1bd145;p=pandora-kernel.git

igb: reset PHY after recovering from PHY power down

According to 82576_Datasheet.pdf, PHY setting is lost after PHY power down.
So resetting PHY is needed when recovering from PHY power down to set a default
setting to PHY register.
Owing to this lack, NIC doesn't link up in some rare situation.

Signed-off-by: Koki Sanagi <sanagi.koki@jp.fujitsu.com>
Tested-by: Aaron Brown <aaron.f.brown@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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