Lines Matching defs:root
44 struct acpi_pci_root *root = acpi_driver_data(adev);
46 return root->segment;
69 entry->offset = ci->root->mcfg_addr & GENMASK_ULL(63, 40);
154 pci_acpi_setup_ecam_mapping(struct acpi_pci_root *root)
157 u16 seg = root->segment;
158 struct device *dev = &root->device->dev;
160 struct resource *bus_res = &root->secondary;
164 ret = pci_mcfg_lookup(root, &cfgres, &ecam_ops);
168 root->mcfg_addr = mcfg_addr_init(0);
176 cfgres.start = root->mcfg_addr + (bus_res->start << bus_shift);
191 struct pci_bus *pci_acpi_scan_root(struct acpi_pci_root *root)
196 int domain = root->segment;
197 int busnum = root->secondary.start;
212 info->cfg = pci_acpi_setup_ecam_mapping(root);
230 bus = acpi_pci_root_create(root, root_ops,