PCI: pciehp: remove crit_sect mutex

The crit_sect mutex defined in struct controller is to serialize
hot-plug operations against multiple slots under the same bus. But,
since PCIe doesnstream port has only one slot at most, it is
meaningless and we don't need it.

Acked-by: Alex Chiang <achiang@hp.com>
Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>

1 files changed, 0 insertions, 1 deletions

diff --git a/drivers/pci/hotplug/pciehp.h b/drivers/pci/hotplug/pciehp.h
index 2509984d9611..720844e0389d 100644
--- a/drivers/pci/hotplug/pciehp.h
+++ b/drivers/pci/hotplug/pciehp.h
@@ -88,7 +88,6 @@ struct event_info {
 };
 
 struct controller {
-        struct mutex crit_sect;         /* critical section mutex */
         struct mutex ctrl_lock;         /* controller lock */
         struct pci_dev *pci_dev;
         struct pcie_device *pcie;       /* PCI Express port service */