From: Randy Dunlap <rdunlap@xxxxxxxxxxxxx> Fix build error on user-mode Linux, which does not set HAS_IOMEM, so devm_ioremap() is not available. Fixes this build error: ERROR: "devm_ioremap" [drivers/counter/ftm-quaddec.ko] undefined! Fixes: a3b9a99980d9 ("counter: add FlexTimer Module Quadrature decoder counter driver") Reported-by: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx> Signed-off-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx> Cc: Kjeld Flarup <kfa@xxxxxxxx> Cc: Patrick Havelange <patrick.havelange@xxxxxxxxxxxxx> Cc: William Breathitt Gray <vilhelm.gray@xxxxxxxxx> Cc: linux-iio@xxxxxxxxxxxxxxx --- BTW, please fix these lines to have ending '>' characters: MODULE_AUTHOR("Kjeld Flarup <kfa@xxxxxxxx"); MODULE_AUTHOR("Patrick Havelange <patrick.havelange@xxxxxxxxxxxxx"); drivers/counter/Kconfig | 1 + 1 file changed, 1 insertion(+) --- lnx-52-rc5.orig/drivers/counter/Kconfig +++ lnx-52-rc5/drivers/counter/Kconfig @@ -51,6 +51,7 @@ config STM32_LPTIMER_CNT config FTM_QUADDEC tristate "Flex Timer Module Quadrature decoder driver" + depends on HAS_IOMEM help Select this option to enable the Flex Timer Quadrature decoder driver.