PCI: remove unnecessary volatile in PCIe hotplug struct controller

Proper memory barriers have been added to order accesses
to ->cmd_busy, so volatile declaration for cmd_busy can
be removed.

Signed-off-by: Ming Lei <tom.leiming@gmail.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>

diff --git a/drivers/pci/hotplug/pciehp.h b/drivers/pci/hotplug/pciehp.h
index d17233a..e3a1e7e 100644 (file)
--- a/drivers/pci/hotplug/pciehp.h
+++ b/drivers/pci/hotplug/pciehp.h
@@ -97,7 +97,7 @@ struct controller {
        u32 slot_cap;
        u8 cap_base;
        struct timer_list poll_timer;
-       volatile int cmd_busy;
+       int cmd_busy;
        unsigned int no_cmd_complete:1;
 };