Re: [PATCH v2 2/2] nvmem: brcm_nvram: use bcm47xx buffered data

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

Hi,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on linus/master]
[also build test ERROR on v6.2-rc7 next-20230206]
[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/arinc9-unal-gmail-com/firmware-bcm47xx_nvram-allow-to-read-from-buffered-nvram-data/20230206-181817
patch link:    https://lore.kernel.org/r/20230206101642.22720-3-wdehoog%40exalondelft.nl
patch subject: [PATCH v2 2/2] nvmem: brcm_nvram: use bcm47xx buffered data
config: powerpc-allmodconfig (https://download.01.org/0day-ci/archive/20230207/202302070008.J1xnBnSn-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/33f35258e56cfe526d23f263596e9c76ea2d5925
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review arinc9-unal-gmail-com/firmware-bcm47xx_nvram-allow-to-read-from-buffered-nvram-data/20230206-181817
        git checkout 33f35258e56cfe526d23f263596e9c76ea2d5925
        # 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 <lkp@intel.com>

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

>> ERROR: modpost: "bcm47xx_nvram_read" [drivers/nvmem/nvmem_brcm_nvram.ko] undefined!

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