Quoting Baoquan He (2023-07-07 06:58:51) > On s390 systems (aka mainframes), it has classic channel devices for > networking and permanent storage that are currently even more common > than PCI devices. Hence it could have a fully functional s390 kernel > with CONFIG_PCI=n, then the relevant iomem mapping functions > [including ioremap(), devm_ioremap(), etc.] are not available. > > Here let COMMON_CLK_FIXED_MMIO depend on HAS_IOMEM so that it won't > be built to cause below compiling error if PCI is unset: > > ------ Applied to clk-fixes
