On Tue, Nov 17, 2020 at 07:34:55PM +0100, Krzysztof Kozlowski wrote: > > Looking a bit further, I now find that we ended up disabling CONFIG_COMPILE_TEST > > entirely for arch/um, which is clearly an option that would also work for s390. > > Yes, that was the easier solution than to spread "depends on HAS_IOMEM" > all over Kconfigs. > > +Cc Greg KH, > > I got similar report around phy drivers: > https://lore.kernel.org/lkml/202011140335.tceVqHmN-lkp@xxxxxxxxx/ > > When reproducing this, I saw multiple unmet dependencies on s390 for > MFD_SYSCON and MFD_STM32_TIMERS. > > I suppose there is no point to fix them all because this will be > basically UML case, so HAS_IOMEM all over the tree. FWIW, I just replied a couple of minutes, but you might have missed that: --- I'll add a patch to the s390 tree which disables CONFIG_COMPILE_TEST for s390. I wouldn't like to start again chasing/adding missing 'select' or 'depends on' statements in various config files. ---