pci_ss.add(when: 'CONFIG_PCI_BONITO', if_true: files('bonito.c'))
pci_ss.add(when: 'CONFIG_PCI_EXPRESS_DESIGNWARE', if_true: files('designware.c'))
pci_ss.add(when: 'CONFIG_PCI_EXPRESS_GENERIC_BRIDGE', if_true: files('gpex.c'))
-pci_ss.add(when: 'CONFIG_ACPI', if_true: files('gpex-acpi.c'))
+pci_ss.add(when: ['CONFIG_PCI_EXPRESS_GENERIC_BRIDGE', 'CONFIG_ACPI'], if_true: files('gpex-acpi.c'))
pci_ss.add(when: 'CONFIG_PCI_EXPRESS_Q35', if_true: files('q35.c'))
pci_ss.add(when: 'CONFIG_PCI_EXPRESS_XILINX', if_true: files('xilinx-pcie.c'))
pci_ss.add(when: 'CONFIG_PCI_I440FX', if_true: files('i440fx.c'))