Re: [PATCH 4/4] mfd: eiois200: Add EIO-IS200 Series EC Core Driver

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

Hi,

kernel test robot noticed the following build warnings:

[auto build test WARNING on lee-mfd/for-mfd-next]
[also build test WARNING on linus/master next-20230907]
[cannot apply to lee-mfd/for-mfd-fixes v6.5]
[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/advantech-susiteam-gmail-com/mfd-eiois200-Insert-EIO-IS200-core-driver-to-Kconfig/20230907-111628
base:   https://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd.git for-mfd-next
patch link:    https://lore.kernel.org/r/20230907031320.6814-5-advantech.susiteam%40gmail.com
patch subject: [PATCH 4/4] mfd: eiois200: Add EIO-IS200 Series EC Core Driver
config: x86_64-randconfig-121-20230907 (https://download.01.org/0day-ci/archive/20230907/202309071936.oPUjyLt5-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.3.0-12) 11.3.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20230907/202309071936.oPUjyLt5-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/202309071936.oPUjyLt5-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
>> drivers/mfd/eiois200_core.c:58:21: sparse: sparse: symbol 'is200_range' was not declared. Should it be static?
>> drivers/mfd/eiois200_core.c:438:5: sparse: sparse: symbol 'eiois200_probe' was not declared. Should it be static?

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