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authorIngo Molnar <mingo@elte.hu>2009-07-01 09:56:10 +0200
committerIngo Molnar <mingo@elte.hu>2009-07-01 09:56:26 +0200
commit087021ba41e9481202103d51d3dd0c4706899a2b (patch)
treebf5d67420fd176682a1f8f1e9342ad397c23937a /drivers/pci/access.c
parentfb9c818873a788c5c01c9868cc6050df96e2c7df (diff)
parente83c2b0ff325f52dda1aff3572d0e1516216c54b (diff)
downloadop-kernel-dev-087021ba41e9481202103d51d3dd0c4706899a2b.zip
op-kernel-dev-087021ba41e9481202103d51d3dd0c4706899a2b.tar.gz
Merge branch 'linus' into perfcounters/urgent
Merge reason: this branch was on a .30-ish base before, update it to an almost-.31-rc2 upstream base to pick up fixes. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/pci/access.c')
-rw-r--r--drivers/pci/access.c19
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/pci/access.c b/drivers/pci/access.c
index 0f37065..db23200 100644
--- a/drivers/pci/access.c
+++ b/drivers/pci/access.c
@@ -66,6 +66,25 @@ EXPORT_SYMBOL(pci_bus_write_config_byte);
EXPORT_SYMBOL(pci_bus_write_config_word);
EXPORT_SYMBOL(pci_bus_write_config_dword);
+/**
+ * pci_bus_set_ops - Set raw operations of pci bus
+ * @bus: pci bus struct
+ * @ops: new raw operations
+ *
+ * Return previous raw operations
+ */
+struct pci_ops *pci_bus_set_ops(struct pci_bus *bus, struct pci_ops *ops)
+{
+ struct pci_ops *old_ops;
+ unsigned long flags;
+
+ spin_lock_irqsave(&pci_lock, flags);
+ old_ops = bus->ops;
+ bus->ops = ops;
+ spin_unlock_irqrestore(&pci_lock, flags);
+ return old_ops;
+}
+EXPORT_SYMBOL(pci_bus_set_ops);
/**
* pci_read_vpd - Read one entry from Vital Product Data
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