1 files changed, 16 insertions, 0 deletions

diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index 7b70312181d7..7d55039ffa05 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -2262,6 +2262,22 @@ int __pci_reset_function(struct pci_dev *dev)
 EXPORT_SYMBOL_GPL(__pci_reset_function);
 
 /**
+ * pci_probe_reset_function - check whether the device can be safely reset
+ * @dev: PCI device to reset
+ *
+ * Some devices allow an individual function to be reset without affecting
+ * other functions in the same device.  The PCI device must be responsive
+ * to PCI config space in order to use this function.
+ *
+ * Returns 0 if the device function can be reset or negative if the
+ * device doesn't support resetting a single function.
+ */
+int pci_probe_reset_function(struct pci_dev *dev)
+{
+        return pci_dev_reset(dev, 1);
+}
+
+/**
  * pci_reset_function - quiesce and reset a PCI device function
  * @dev: PCI device to reset
  *