forked from Minki/linux
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>
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@ -999,6 +999,8 @@ static unsigned int pci_scan_child_bus_extend(struct pci_bus *bus,
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* already configured by the BIOS and after we are done with all of
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* them, we proceed to assigning numbers to the remaining buses in
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* order to avoid overlaps between old and new bus numbers.
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*
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* Return: New subordinate number covering all buses behind this bridge.
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*/
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static int pci_scan_bridge_extend(struct pci_bus *bus, struct pci_dev *dev,
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int max, unsigned int available_buses,
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@ -1231,6 +1233,8 @@ out:
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* already configured by the BIOS and after we are done with all of
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* them, we proceed to assigning numbers to the remaining buses in
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* order to avoid overlaps between old and new bus numbers.
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*
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* Return: New subordinate number covering all buses behind this bridge.
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*/
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int pci_scan_bridge(struct pci_bus *bus, struct pci_dev *dev, int max, int pass)
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{
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