The devres.o gets linked if HAS_IOMEM is present so on ARCH=um allyesconfig (COMPILE_TEST) failed with:
Signed-off-by: Krzysztof Kozlowski <[email protected]> --- drivers/mailbox/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/mailbox/Kconfig b/drivers/mailbox/Kconfig index 5305923752d2..acdffc3d686b 100644 --- a/drivers/mailbox/Kconfig +++ b/drivers/mailbox/Kconfig @@ -46,6 +46,7 @@ config OMAP_MBOX_KFIFO_SIZE config ROCKCHIP_MBOX bool "Rockchip Soc Intergrated Mailbox Support" depends on ARCH_ROCKCHIP || COMPILE_TEST + depends on HAS_IOMEM help This driver provides support for inter-processor communication between CPU cores and MCU processor on Some Rockchip SOCs. -- 2.5.0

