This config select's MFD_SYSCON, but does not depend on HAS_IOMEM. Compile testing on architecture without HAS_IOMEM causes "unmet direct dependencies" in Kconfig phase. Detected by "make ARCH=score allyesconfig". Signed-off-by: Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx> --- Arnd Bergmann and I discussed how to fix unmet dependency of MFD_SYSCON. https://lkml.org/lkml/2018/2/27/284 We agreed to add 'depends on HAS_IOMEM' to drivers causing unmet dependency. drivers/rtc/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig index 8ab5f0a5..d826e5d 100644 --- a/drivers/rtc/Kconfig +++ b/drivers/rtc/Kconfig @@ -1413,6 +1413,7 @@ config RTC_DRV_AT91RM9200 config RTC_DRV_AT91SAM9 tristate "AT91SAM9 RTT as RTC" depends on ARCH_AT91 || COMPILE_TEST + depends on HAS_IOMEM select MFD_SYSCON help Some AT91SAM9 SoCs provide an RTT (Real Time Timer) block which -- 2.7.4
