pci_mcfg_lookup   126 arch/arm64/kernel/pci.c 	ret = pci_mcfg_lookup(root, &cfgres, &ecam_ops);
pci_mcfg_lookup    29 include/linux/pci-acpi.h extern int pci_mcfg_lookup(struct acpi_pci_root *root, struct resource *cfgres,