pci_host_bridge_of_msi_domain 79 drivers/pci/of.c struct irq_domain *pci_host_bridge_of_msi_domain(struct pci_bus *bus) pci_host_bridge_of_msi_domain 2288 include/linux/pci.h pci_host_bridge_of_msi_domain(struct pci_bus *bus) { return NULL; }