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-rw-r--r--drivers/pci/pci.c3
-rw-r--r--include/linux/pci.h1
2 files changed, 3 insertions, 1 deletions
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index da75c422ba85..193bfcda9c26 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -5074,12 +5074,13 @@ static int pci_reset_bus_function(struct pci_dev *dev, bool probe)
return pci_parent_bus_reset(dev, probe);
}
-static void pci_dev_lock(struct pci_dev *dev)
+void pci_dev_lock(struct pci_dev *dev)
{
pci_cfg_access_lock(dev);
/* block PM suspend, driver probe, etc. */
device_lock(&dev->dev);
}
+EXPORT_SYMBOL_GPL(pci_dev_lock);
/* Return 1 on successful lock, 0 on contention */
int pci_dev_trylock(struct pci_dev *dev)
diff --git a/include/linux/pci.h b/include/linux/pci.h
index b4dbcc86b3f1..d307b071b65e 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -1664,6 +1664,7 @@ void pci_cfg_access_lock(struct pci_dev *dev);
bool pci_cfg_access_trylock(struct pci_dev *dev);
void pci_cfg_access_unlock(struct pci_dev *dev);
+void pci_dev_lock(struct pci_dev *dev);
int pci_dev_trylock(struct pci_dev *dev);
void pci_dev_unlock(struct pci_dev *dev);