[frank-w-bpi-r2-4.14:5.15-bpi-r2-pro-drm2 7/90] drivers/soc/mediatek/mtk-pmic-wrap.c:2112:16: error: no previous prototype for function 'pwrap_node_to_regmap'

[frank-w-bpi-r2-4.14:5.15-bpi-r2-pro-drm2 7/90] drivers/soc/mediatek/mtk-pmic-wrap.c:2112:16: error: no previous prototype for function 'pwrap_node_to_regmap'

[kernel test robot]

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tree:   https://github.com/frank-w/BPI-R2-4.14 5.15-bpi-r2-pro-drm2
head:   28cc1853049ee81c1aa4feea35f3772876d9622d
commit: c556ecefff90170aa42eea4bd5dbd578967b52b2 [7/90] mt6625l: add changes outside driver dir
config: hexagon-buildonly-randconfig-r003-20211025 (attached as .config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project a461fa64bb37cffd73f683c74f6b0780379fc2ca)
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/frank-w/BPI-R2-4.14/commit/c556ecefff90170aa42eea4bd5dbd578967b52b2
        git remote add frank-w-bpi-r2-4.14 https://github.com/frank-w/BPI-R2-4.14
        git fetch --no-tags frank-w-bpi-r2-4.14 5.15-bpi-r2-pro-drm2
        git checkout c556ecefff90170aa42eea4bd5dbd578967b52b2
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=hexagon 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

>> drivers/soc/mediatek/mtk-pmic-wrap.c:2112:16: error: no previous prototype for function 'pwrap_node_to_regmap' [-Werror,-Wmissing-prototypes]
   struct regmap *pwrap_node_to_regmap(struct device_node *np)
                  ^
   drivers/soc/mediatek/mtk-pmic-wrap.c:2112:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   struct regmap *pwrap_node_to_regmap(struct device_node *np)
   ^
   static 
   1 error generated.


vim +/pwrap_node_to_regmap +2112 drivers/soc/mediatek/mtk-pmic-wrap.c

  2111	
> 2112	struct regmap *pwrap_node_to_regmap(struct device_node *np)
  2113	{
  2114		struct platform_device *pdev;
  2115		struct pmic_wrapper *wrp;
  2116		pdev = of_find_device_by_node(np);
  2117		if (!pdev)
  2118			return ERR_PTR(-ENODEV);
  2119		wrp = platform_get_drvdata(pdev);
  2120		return wrp->regmap;
  2121	}
  2122	EXPORT_SYMBOL_GPL(pwrap_node_to_regmap);
  2123	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org

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