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-rw-r--r--drivers/pci/probe.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index 6d3cae0362c9..fe5b05bd1887 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -999,6 +999,8 @@ static unsigned int pci_scan_child_bus_extend(struct pci_bus *bus,
* already configured by the BIOS and after we are done with all of
* them, we proceed to assigning numbers to the remaining buses in
* order to avoid overlaps between old and new bus numbers.
+ *
+ * Return: New subordinate number covering all buses behind this bridge.
*/
static int pci_scan_bridge_extend(struct pci_bus *bus, struct pci_dev *dev,
int max, unsigned int available_buses,
@@ -1231,6 +1233,8 @@ out:
* already configured by the BIOS and after we are done with all of
* them, we proceed to assigning numbers to the remaining buses in
* order to avoid overlaps between old and new bus numbers.
+ *
+ * Return: New subordinate number covering all buses behind this bridge.
*/
int pci_scan_bridge(struct pci_bus *bus, struct pci_dev *dev, int max, int pass)
{