The devres.o gets linked if HAS_IOMEM is present so on ARCH=um allyesconfig (COMPILE_TEST) failed on many files with:
drivers/built-in.o: In function `mtk_thermal_probe': mtk_thermal.c:(.text+0x394618): undefined reference to `devm_ioremap_resource' The users of devm_ioremap_resource() which are compile-testable should depend on HAS_IOMEM. Signed-off-by: Krzysztof Kozlowski <k.kozlow...@samsung.com> --- Changes since v1: 1. Don't duplicate Richard Weinberger's work: http://lkml.iu.edu/hypermail/linux/kernel/1601.3/01577.html --- drivers/nvmem/Kconfig | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/nvmem/Kconfig b/drivers/nvmem/Kconfig index 5bd18cc1a69c..4ef47d2a2ff3 100644 --- a/drivers/nvmem/Kconfig +++ b/drivers/nvmem/Kconfig @@ -28,6 +28,7 @@ config NVMEM_IMX_OCOTP config NVMEM_LPC18XX_EEPROM tristate "NXP LPC18XX EEPROM Memory Support" depends on ARCH_LPC18XX || COMPILE_TEST + depends on HAS_IOMEM help Say Y here to include support for NXP LPC18xx EEPROM memory found in NXP LPC185x/3x and LPC435x/3x/2x/1x devices. @@ -48,6 +49,7 @@ config NVMEM_MXS_OCOTP config MTK_EFUSE tristate "Mediatek SoCs EFUSE support" depends on ARCH_MEDIATEK || COMPILE_TEST + depends on HAS_IOMEM select REGMAP_MMIO help This is a driver to access hardware related data like sensor -- 2.5.0
