pci_walk_bus
pci_walk_bus(dev->bus, sb1250_bus_dma_limit, &exclude);
pci_walk_bus(bridge->bus, um_pci_map_iomem_walk, &data);
pci_walk_bus(dev->subordinate, via_no_dac_cb, NULL);
pci_walk_bus(bus, count_dports, &ctx);
pci_walk_bus(bus, hisi_ptt_init_filters, hisi_ptt);
pci_walk_bus(alias_dev->subordinate,
EXPORT_SYMBOL_GPL(pci_walk_bus);
pci_walk_bus(pp->bridge->bus, qcom_pcie_enable_aspm, NULL);
pci_walk_bus(bridge->bus, __pci_host_common_d3cold_possible, &flags);
pci_walk_bus(hbus->bridge->bus, hv_pci_restore_msi_msg, NULL);
pci_walk_bus(bridge->bus, pci_dev_may_wakeup,
pci_walk_bus(vmd->bus, vmd_pm_enable_quirk, &features);
pci_walk_bus(dev->subordinate, pci_dev_set_disconnected,
pci_walk_bus(ctrl->pcie->port->subordinate,
pci_walk_bus(parent, pci_dev_set_disconnected, NULL);
pci_walk_bus(pci_dev->subordinate, pci_dev_set_disconnected,
pci_walk_bus(bus, pci_resume_one, NULL);
pci_walk_bus(bus, __pci_dev_set_current_state, &state);
pci_walk_bus(bus, __pci_dev_set_current_state, &state);
pci_walk_bus(bus, pci_pme_wakeup, (void *)true);
pci_walk_bus(bridge->subordinate, pci_dev_check_d3cold,
pci_walk_bus(parent->subordinate, find_device_iter, e_info);
pci_walk_bus(pdev->subordinate, clear_status_iter,
pci_walk_bus(bridge->subordinate, cb, userdata);
pci_walk_bus(port->subordinate, pcie_pme_can_wakeup, NULL);
pci_walk_bus(bus, cb, rcec_data);
pci_walk_bus(rcec->bus, cb, rcec_data);
pci_walk_bus(bus, pcie_find_smpss, &smpss);
pci_walk_bus(bus, pcie_bus_configure_set, &smpss);
pci_walk_bus(bridge->bus, pci_configure_extended_tags, NULL);
pci_walk_bus(bus, iov_resources_unassigned, &unassigned);
pci_walk_bus(pdev->subordinate, cb, data);
pci_walk_bus(b, pcifront_claim_resource, pdev);
pci_walk_bus(b, pcifront_claim_resource, pdev);
pci_walk_bus(bus, nhi_pci_check_iommu_pdev, &port_ok);
pci_walk_bus(pdev->bus, vfio_pci_walk_wrapper, &walk);
void pci_walk_bus(struct pci_bus *top, int (*cb)(struct pci_dev *, void *),