Lines Matching defs:root
46 struct acpi_pci_root *root = acpi_driver_data(adev);
48 return root->segment;
71 entry->offset = ci->root->mcfg_addr & GENMASK_ULL(63, 40);
156 pci_acpi_setup_ecam_mapping(struct acpi_pci_root *root)
159 u16 seg = root->segment;
160 struct device *dev = &root->device->dev;
162 struct resource *bus_res = &root->secondary;
166 ret = pci_mcfg_lookup(root, &cfgres, &ecam_ops);
170 root->mcfg_addr = mcfg_addr_init(0);
178 cfgres.start = root->mcfg_addr + (bus_res->start << bus_shift);
193 struct pci_bus *pci_acpi_scan_root(struct acpi_pci_root *root)
198 int domain = root->segment;
199 int busnum = root->secondary.start;
213 info->cfg = pci_acpi_setup_ecam_mapping(root);
231 bus = acpi_pci_root_create(root, root_ops,