Re: [PATCH 3/3] platform/chrome: cros_ec_chardev: Consume cros_ec_device via ref_proxy

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

Hi Tzung-Bi,

kernel test robot noticed the following build errors:

[auto build test ERROR on chrome-platform/for-next]
[also build test ERROR on next-20250815]
[cannot apply to chrome-platform/for-firmware-next akpm-mm/mm-nonmm-unstable akpm-mm/mm-everything linus/master v6.17-rc1]
[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/Tzung-Bi-Shih/lib-Add-ref_proxy-module/20250814-172126
base:   https://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux.git for-next
patch link:    https://lore.kernel.org/r/20250814091020.1302888-4-tzungbi%40kernel.org
patch subject: [PATCH 3/3] platform/chrome: cros_ec_chardev: Consume cros_ec_device via ref_proxy
config: hexagon-randconfig-r072-20250815 (https://download.01.org/0day-ci/archive/20250816/202508160456.eajfX7vH-lkp@intel.com/config)
compiler: clang version 22.0.0git (https://github.com/llvm/llvm-project 93d24b6b7b148c47a2fa228a4ef31524fa1d9f3f)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250816/202508160456.eajfX7vH-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/202508160456.eajfX7vH-lkp@intel.com/

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

>> ERROR: modpost: "ref_proxy_get" [drivers/platform/chrome/cros_ec_chardev.ko] undefined!
>> ERROR: modpost: "ref_proxy_put" [drivers/platform/chrome/cros_ec_chardev.ko] undefined!
>> ERROR: modpost: "ref_proxy_alloc" [drivers/platform/chrome/cros_ec_chardev.ko] undefined!
>> ERROR: modpost: "ref_proxy_free" [drivers/platform/chrome/cros_ec_chardev.ko] undefined!

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