On Sat, Dec 16, 2017 at 3:00 AM, kbuild test robot <fengguang.wu@xxxxxxxxx> wrote: > tree: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty.git tty-next > head: 38d5583ff8900c543322a74471b436d1b8b4018a > commit: f6731485a51978ca0931c787fcb8a0bc4dcc9303 [23/34] tty: serial: sh-sci: Hide number of ports config question > config: ia64-allyesconfig (attached as .config) > compiler: ia64-linux-gcc (GCC) 7.2.0 > reproduce: > wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross > chmod +x ~/bin/make.cross > git checkout f6731485a51978ca0931c787fcb8a0bc4dcc9303 > # save the attached .config to linux build tree > make.cross ARCH=ia64 > > All errors (new ones prefixed by >>): > > .config:3814:warning: symbol value '' invalid for SERIAL_SH_SCI_NR_UARTS config SERIAL_SH_SCI_NR_UARTS int "Maximum number of SCI(F) serial ports" if EXPERT depends on SERIAL_SH_SCI default "3" if H8300 default "10" if SUPERH default "18" if ARCH_RENESAS Doh, if test compiling for non-H8300/SUPERH/ARCH_RENESAS, "int" doesn't assign a sane numerical default value to the symbol, but an empty string :-( So we do need e.g. default "2" at the bottom. Greg: Do you want a v2, or an incremental patch? Thanks, and sorry for missing this. Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds