On archs like S390 or um this driver cannot build nor work. Make it depend on HAS_IOMEM to bypass build failures. drivers/staging/dgap/dgap_driver.c: In function ‘dgap_cleanup_board’: drivers/staging/dgap/dgap_driver.c:457:3: error: implicit declaration of function ‘iounmap’ [-Werror=implicit-function-declaration] drivers/staging/dgap/dgap_driver.c: In function ‘dgap_do_remap’: drivers/staging/dgap/dgap_driver.c:694:2: error: implicit declaration of function ‘ioremap’ [-Werror=implicit-function-declaration] Signed-off-by: Richard Weinberger <richard@xxxxxx> --- drivers/staging/dgap/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/staging/dgap/Kconfig b/drivers/staging/dgap/Kconfig index 31f1d75..3bbe9e1 100644 --- a/drivers/staging/dgap/Kconfig +++ b/drivers/staging/dgap/Kconfig @@ -1,6 +1,6 @@ config DGAP tristate "Digi EPCA PCI products" default n - depends on TTY + depends on TTY && HAS_IOMEM ---help--- Driver for the Digi International EPCA PCI based product line -- 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