struct bus_type has a new callback for retrieving the IRQ affinity for a
device. Hook this callback up for PCI based devices.
Acked-by: Bjorn Helgaas<bhelgaas@xxxxxxxxxx>
Reviewed-by: Christoph Hellwig<hch@xxxxxx>
Reviewed-by: Hannes Reinecke<hare@xxxxxxx>
Reviewed-by: Ming Lei<ming.lei@xxxxxxxxxx>
Signed-off-by: Daniel Wagner<wagi@xxxxxxxxxx>
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