Hi Martin,

FYI, the error/warning still remains.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   7a308bb3016f57e5be11a677d15b821536419d36
commit: 8d021d71b3247937a26ffdf313fd53a9d58778b7 drm/nouveau/drm/nouveau: add a LED driver for the NVIDIA logo
date:   3 months ago
config: x86_64-randconfig-ne0-01230633 (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
reproduce:
        git checkout 8d021d71b3247937a26ffdf313fd53a9d58778b7
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All errors (new ones prefixed by >>):

   drivers/built-in.o: In function `nouveau_do_suspend':
>> nouveau_drm.c:(.text+0x976bd1): undefined reference to `nouveau_led_suspend'
   drivers/built-in.o: In function `nouveau_do_resume':
>> nouveau_drm.c:(.text+0x97757f): undefined reference to `nouveau_led_resume'
   drivers/built-in.o: In function `nouveau_drm_unload':
>> nouveau_drm.c:(.text+0x97813b): undefined reference to `nouveau_led_fini'
   drivers/built-in.o: In function `nouveau_drm_load':
>> nouveau_drm.c:(.text+0x9797ea): undefined reference to `nouveau_led_init'

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