422  * alias device or RID appears on a different bus number. We also make the
425  * case is that of PCI->PCIe so we should always use the alias RID. This echoes
442  * pci_msi_domain_get_msi_rid - Get the MSI requester id (RID)
446  * The RID for a device is formed from the alias, with a firmware
449  * Returns: The RID.
454 	u32 rid = pci_dev_id(pdev);  in pci_msi_domain_get_msi_rid()  local
456 	pci_for_each_dma_alias(pdev, get_msi_id_cb, &rid);  in pci_msi_domain_get_msi_rid()
459 	rid = of_node ? of_msi_map_id(&pdev->dev, of_node, rid) :  in pci_msi_domain_get_msi_rid()
460 			iort_msi_map_id(&pdev->dev, rid);  in pci_msi_domain_get_msi_rid()
462 	return rid;  in pci_msi_domain_get_msi_rid()
477 	u32 rid = pci_dev_id(pdev);  in pci_msi_get_device_domain()  local
479 	pci_for_each_dma_alias(pdev, get_msi_id_cb, &rid);  in pci_msi_get_device_domain()
480 	dom = of_msi_map_get_device_domain(&pdev->dev, rid, DOMAIN_BUS_PCI_MSI);  in pci_msi_get_device_domain()
482 		dom = iort_get_device_domain(&pdev->dev, rid,  in pci_msi_get_device_domain()