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PCI: remove unnecessary volatile in PCIe hotplug struct controller
author
Ming Lei
<tom.leiming@gmail.com>
Wed, 16 Jul 2008 14:54:30 +0000
(22:54 +0800)
committer
Jesse Barnes
<jbarnes@virtuousgeek.org>
Wed, 16 Jul 2008 15:46:43 +0000
(08:46 -0700)
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>
drivers/pci/hotplug/pciehp.h
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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;
};