pci_host_acpi_smccc_has_feature
if (!pci_host_acpi_smccc_has_feature(SMCCC_PCI_READ) ||
!pci_host_acpi_smccc_has_feature(SMCCC_PCI_WRITE)) {
if (pci_host_acpi_smccc_has_feature(SMCCC_PCI_GET_SEG_INFO) &&