Hi Eddie,

I love your patch! Yet something to improve:

[auto build test ERROR on robh/for-next]
[also build test ERROR on linus/master v6.2 next-20230222]
[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/Eddie-James/fsi-Move-fsi_slave-structure-definition-to-header/20230222-052904
base:   https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next
patch link:    https://lore.kernel.org/r/20230221212622.3897097-5-eajames%40linux.ibm.com
patch subject: [PATCH v5 4/6] fsi: Add I2C Responder SCOM driver
config: powerpc-allmodconfig (https://download.01.org/0day-ci/archive/20230222/202302222352.9rPqJxAV-lkp@intel.com/config)
compiler: powerpc-linux-gcc (GCC) 12.1.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://github.com/intel-lab-lkp/linux/commit/210010944ddca8e974ec4f5141a00c38eddf5b8e
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Eddie-James/fsi-Move-fsi_slave-structure-definition-to-header/20230222-052904
        git checkout 210010944ddca8e974ec4f5141a00c38eddf5b8e
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=powerpc olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=powerpc SHELL=/bin/bash

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot [off-list ref]
| Link: https://lore.kernel.org/oe-kbuild-all/202302222352.9rPqJxAV-lkp@intel.com/ (local)

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

quoted

ERROR: modpost: "fsi_master_i2cr_write" [drivers/fsi/i2cr-scom.ko] undefined!
ERROR: modpost: "fsi_master_i2cr_read" [drivers/fsi/i2cr-scom.ko] undefined!

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