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| author |   Mika Westerberg <mika.westerberg@linux.intel.com> | 2018-05-28 15:47:56 +0300 |
|---|---|---|
| committer |   Bjorn Helgaas <bhelgaas@google.com> | 2018-06-04 12:08:06 -0500 |
| commit | 70f7880d2d3175cecc73b0b41fd07e58e6df5fff (patch) | |
| tree | 7df6c3aeb28f649c2fd8bd9f1a1f3a2bba947090 /drivers/pci | |
| parent | PCI: Move resource distribution for single bridge outside loop (diff) | |
| download | linux-dev-70f7880d2d3175cecc73b0b41fd07e58e6df5fff.tar.xz linux-dev-70f7880d2d3175cecc73b0b41fd07e58e6df5fff.zip | |
PCI: Improve pci_scan_bridge() and pci_scan_bridge_extend() doc
It is not immediately clear what the two functions actually return so
add kernel-doc comment explaining it a bit better.
Suggested-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Diffstat (limited to 'drivers/pci')
| -rw-r--r-- | drivers/pci/probe.c | 4 |
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) { |