PCI: Document pci_bus_for_each_resource()

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There might be confusion about why pci_bus_for_each_resource() uses
Logical OR. Document the entire macro and explain how it works and why the
conditional needs to be like that.

Link: https://lore.kernel.org/r/20230330162434.35055-5-andriy.shevchenko@linux.intel.com
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>

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Andy Shevchenko 2023-03-30 19:24:31 +03:00 • committed by Bjorn Helgaas

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commit ceb928be5c

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include/linux/pci.h

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