msi_create_irq_domain
dmar_domain = msi_create_irq_domain(fn, &dmar_msi_domain_info,
d = msi_create_irq_domain(fn, domain_info, parent);
d = msi_create_irq_domain(fn, &xen_pci_msi_domain_info, NULL);
cdx_msi_domain = msi_create_irq_domain(fwnode_handle, &cdx_msi_domain_info, parent);
domain = msi_create_irq_domain(fwnode, info, parent);
struct irq_domain *msi_create_irq_domain(struct fwnode_handle *fwnode,