ACPI: PCI: lookup _PRT entry by PCI dev and pin, not segment/bus/dev/pin
There's no reason to pass around segment, bus, and device independently
when we can just pass the pci_dev pointer, which carries all those
already.
The pci_dev contains an interrupt pin, too, but we still have to pass both
the pci_dev and the pin because when we use a bridge to derive an IRQ, we
need the pin from the downstream device, not the bridge.
Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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