summaryrefslogtreecommitdiff
path: root/drivers/pci
diff options
context:
space:
mode:
authorLuis Chamberlain <mcgrof@kernel.org>2021-06-22 19:28:23 -0700
committerAlex Williamson <alex.williamson@redhat.com>2021-06-24 13:32:31 -0600
commite3a9b1212b9d6cb20751196e338f4a5138d539d3 (patch)
tree88daa90a1b7f8af30010d12af9ca09dff5163ca5 /drivers/pci
parent0af5160edb87b1868eba514422d3991628a018f8 (diff)
PCI: Export pci_dev_trylock() and pci_dev_unlock()
Other places in the kernel use this form, and so just provide a common path for it. Acked-by: Bjorn Helgaas <bhelgaas@google.com> Signed-off-by: Luis Chamberlain <mcgrof@kernel.org> Reviewed-by: Cornelia Huck <cohuck@redhat.com> Link: https://lore.kernel.org/r/20210623022824.308041-2-mcgrof@kernel.org Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Diffstat (limited to 'drivers/pci')
-rw-r--r--drivers/pci/pci.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index b717680377a9..10f08ed3589f 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -5028,7 +5028,7 @@ static void pci_dev_lock(struct pci_dev *dev)
}
/* Return 1 on successful lock, 0 on contention */
-static int pci_dev_trylock(struct pci_dev *dev)
+int pci_dev_trylock(struct pci_dev *dev)
{
if (pci_cfg_access_trylock(dev)) {
if (device_trylock(&dev->dev))
@@ -5038,12 +5038,14 @@ static int pci_dev_trylock(struct pci_dev *dev)
return 0;
}
+EXPORT_SYMBOL_GPL(pci_dev_trylock);
-static void pci_dev_unlock(struct pci_dev *dev)
+void pci_dev_unlock(struct pci_dev *dev)
{
device_unlock(&dev->dev);
pci_cfg_access_unlock(dev);
}
+EXPORT_SYMBOL_GPL(pci_dev_unlock);
static void pci_dev_save_and_disable(struct pci_dev *dev)
{