They need HAS_IOMEM, so let them depend on it, the related error (with allmodconfig under um): MODPOST 1205 modules ERROR: "syscall" [fs/hostfs/hostfs.ko] undefined! ERROR: "devm_ioremap_resource" [drivers/watchdog/tegra_wdt.ko] undefined! ERROR: "devm_ioremap_resource" [drivers/watchdog/of_xilinx_wdt.ko] undefined! Signed-off-by: Chen Gang <gang.chen.5i5j@xxxxxxxxx> --- drivers/watchdog/Kconfig | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig index a51ccf3..d0ddf90 100644 --- a/drivers/watchdog/Kconfig +++ b/drivers/watchdog/Kconfig @@ -132,6 +132,7 @@ config WM8350_WATCHDOG config XILINX_WATCHDOG tristate "Xilinx Watchdog timer" + depends on HAS_IOMEM select WATCHDOG_CORE help Watchdog driver for the xps_timebase_wdt ip core. @@ -472,7 +473,7 @@ config SIRFSOC_WATCHDOG config TEGRA_WATCHDOG tristate "Tegra watchdog" - depends on ARCH_TEGRA || COMPILE_TEST + depends on (ARCH_TEGRA || COMPILE_TEST) && HAS_IOMEM select WATCHDOG_CORE help Say Y here to include support for the watchdog timer -- 1.9.3 -- To unsubscribe from this list: send the line "unsubscribe linux-watchdog" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html