tree 46b6cb666c11a3f55b26cd7e73829b6fd130f649
parent c6b069e94601aea8887afbbd922afe20a3580a7d
author Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com> 1209159542 -0700
committer Jesse Barnes <jbarnes@virtuousgeek.org> 1209159542 -0700

pciehp: Add missing memory barrier

Fix the possible race condition between pcie_isr() and pciehp_write_cmd()
because of the lack of memory barrier.

Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by:  Kristen Carlson Accardi <kristen.c.accardi@intel.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>