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 <>

Arnd Bergmann and I discussed how to fix unmet dependency of MFD_SYSCON.

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
          Some AT91SAM9 SoCs provide an RTT (Real Time Timer) block which

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