10.06.2021 09:43, Krzysztof Kozlowski пишет: > The stubs might be good idea anyway, but the driver explicitly needs for > runtime working reservedmem, so it should select it. The OF and reservedmem are both selected by the ARCH for the runtime use. They may not be selected in the case of compile-testing. Both OF core and reservedmem provide stubs needed for compile-testing, it's only the RESERVEDMEM_OF_DECLARE() that is missing the stub. Adding the missing stub should be a more appropriate solution than adding extra Kconfig dependencies, IMO.