On archs like S390 or um this driver cannot build nor work. Make it depend on HAS_IOMEM to bypass build failures. drivers/staging/iio/adc/spear_adc.c: In function ‘spear_adc_probe’: drivers/staging/iio/adc/spear_adc.c:393:2: error: implicit declaration of function ‘iounmap’ [-Werror=implicit-function-declaration Signed-off-by: Richard Weinberger <richard@xxxxxx> --- drivers/staging/iio/adc/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/staging/iio/adc/Kconfig b/drivers/staging/iio/adc/Kconfig index e3d6430..7d5d675 100644 --- a/drivers/staging/iio/adc/Kconfig +++ b/drivers/staging/iio/adc/Kconfig @@ -128,6 +128,7 @@ config MXS_LRADC config SPEAR_ADC tristate "ST SPEAr ADC" depends on PLAT_SPEAR || COMPILE_TEST + depends on HAS_IOMEM help Say yes here to build support for the integrated ADC inside the ST SPEAr SoC. Provides direct access via sysfs. -- 1.8.1.4 -- To unsubscribe from this list: send the line "unsubscribe linux-iio" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html