Re: [PATCH] fbdev: Have CONFIG_FB_NOTIFY be tristate

[kernel test robot <lkp@intel.com>]

Hi Florian,

kernel test robot noticed the following build errors:

[auto build test ERROR on drm-misc/drm-misc-next]
[also build test ERROR on drm-tip/drm-tip linus/master v6.9-rc6 next-20240503]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Florian-Fainelli/fbdev-Have-CONFIG_FB_NOTIFY-be-tristate/20240504-033139
base:   git://anongit.freedesktop.org/drm/drm-misc drm-misc-next
patch link:    https://lore.kernel.org/r/20240503192858.103640-1-florian.fainelli%40broadcom.com
patch subject: [PATCH] fbdev: Have CONFIG_FB_NOTIFY be tristate
config: powerpc-randconfig-001-20240504 (https://download.01.org/0day-ci/archive/20240504/202405041939.MNsieCv5-lkp@intel.com/config)
compiler: powerpc-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240504/202405041939.MNsieCv5-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202405041939.MNsieCv5-lkp@intel.com/

All errors (new ones prefixed by >>):

   powerpc-linux-ld: drivers/leds/trigger/ledtrig-backlight.o: in function `bl_trig_deactivate':
>> ledtrig-backlight.c:(.text+0x360): undefined reference to `fb_unregister_client'
   powerpc-linux-ld: drivers/leds/trigger/ledtrig-backlight.o: in function `bl_trig_activate':
>> ledtrig-backlight.c:(.text+0x3e8): undefined reference to `fb_register_client'

-- 
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https://github.com/intel/lkp-tests/wiki