Use Kconfig logic instead of a rude #error in the driver source, which breaks m68k-allmodconfig. Also remove the "default n", as that's the default. Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Sage Ahn <syahn@gctsemi.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>