Add missing HAS_IOMEM dependency for MFD_SYSCON to fix the um-allyesconfig build error:
drivers/mfd/syscon.c: In function 'of_syscon_register': drivers/mfd/syscon.c:67:9: error: implicit declaration of function 'ioremap' [-Werror=implicit-function-declaration] base = ioremap(res.start, resource_size(&res)); ^ drivers/mfd/syscon.c:67:7: warning: assignment makes pointer from integer without a cast [-Wint-conversion] base = ioremap(res.start, resource_size(&res)); ^ drivers/mfd/syscon.c:109:2: error: implicit declaration of function 'iounmap' [-Werror=implicit-function-declaration] iounmap(base); ^ Signed-off-by: Andy Yan <andy....@rock-chips.com> --- drivers/power/reset/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/power/reset/Kconfig b/drivers/power/reset/Kconfig index 7053abc..1388be3 100644 --- a/drivers/power/reset/Kconfig +++ b/drivers/power/reset/Kconfig @@ -190,6 +190,7 @@ config REBOOT_MODE config SYSCON_REBOOT_MODE tristate "Generic SYSCON regmap reboot mode driver" depends on OF + depends on HAS_IOMEM select REBOOT_MODE select MFD_SYSCON help -- 2.7.4