From: Yanir Lubetkin <yanirx.lubetkin@intel.com>
Date: Tue, 9 Jun 2015 22:15:05 +0000 (+0300)
Subject: e1000e: fix locking issue with e1000e_disable_aspm
X-Git-Tag: omap-for-v4.2/fixes-rc1^2~57^2~13^2~7
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=beb0a1520bec17cfaf0c3c77bbdd56cbf942883a;p=pandora-kernel.git

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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