The kpc2000 core makes calls against functions which are conditionally exported upon the kconfig symbols 'MFD_CORE' and 'UIO' being selected Therefore, in order to guarantee correct compilation, the 'KPC2000' kconfig symbol (which brings in that code) must explicitly select its hard dependencies. Signed-off-by: Geordan Neukum <gneukum1@xxxxxxxxx> --- drivers/staging/kpc2000/Kconfig | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/staging/kpc2000/Kconfig b/drivers/staging/kpc2000/Kconfig index fb5922928f47..8992dc67ff37 100644 --- a/drivers/staging/kpc2000/Kconfig +++ b/drivers/staging/kpc2000/Kconfig @@ -3,6 +3,8 @@ config KPC2000 bool "Daktronics KPC Device support" depends on PCI + select MFD_CORE + select UIO help Select this if you wish to use the Daktronics KPC PCI devices -- 2.21.0 _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel