bus_start 21 drivers/acpi/pci_mcfg.c u8 bus_start; bus_start 210 drivers/acpi/pci_mcfg.c if (e->segment == seg && e->bus_start <= bus_res->start && bus_start 262 drivers/acpi/pci_mcfg.c e->bus_start = mptr->start_bus_number;