From beb0a1520bec17cfaf0c3c77bbdd56cbf942883a Mon Sep 17 00:00:00 2001
From: Yanir Lubetkin <yanirx.lubetkin@intel.com>
Date: Wed, 10 Jun 2015 01:15:05 +0300
Subject: [PATCH] e1000e: fix locking issue with e1000e_disable_aspm

e1000e_disable_aspm called pci_disable_link_state_locked which requires
pci_bus_sem to be held, but is also called from places where this semaphore
was not previously acquired. This patch implements two flavors of
disable_aspm, one that acquires the lock, and the other (_locked) which
should be called when the semaphore is already acquired.

Signed-off-by: Yanir Lubetkin <yanirx.lubetkin@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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