Re: [PATCH v3 2/2] platform/apple-gmux: use apple_brightness to save brightness to EFI

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

Hi Atharva,

kernel test robot noticed the following build errors:

[auto build test ERROR on efi/next]
[also build test ERROR on linus/master v7.0-rc4 next-20260313]
[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/Atharva-Tiwari/efi-Save-Brightness-using-EFI-on-Macs/20260316-084441
base:   https://git.kernel.org/pub/scm/linux/kernel/git/efi/efi.git next
patch link:    https://lore.kernel.org/r/20260315222020.24341-3-atharvatiwarilinuxdev%40gmail.com
patch subject: [PATCH v3 2/2] platform/apple-gmux: use apple_brightness to save brightness to EFI
config: x86_64-rhel-9.4 (https://download.01.org/0day-ci/archive/20260316/202603161105.ILZkpASC-lkp@intel.com/config)
compiler: gcc-14 (Debian 14.2.0-19) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260316/202603161105.ILZkpASC-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/202603161105.ILZkpASC-lkp@intel.com/

All errors (new ones prefixed by >>, old ones prefixed by <<):

>> ERROR: modpost: "apple_brightness_shutdown" [drivers/platform/x86/apple-gmux.ko] undefined!

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki