[frank-w-bpi-r2-4.14:5.15-rc 7/21] drivers/soc/mediatek/mtk-pmic-wrap.c:2112:16: error: no previous prototype for 'pwrap_node_to_regmap'

[frank-w-bpi-r2-4.14:5.15-rc 7/21] drivers/soc/mediatek/mtk-pmic-wrap.c:2112:16: error: no previous prototype for 'pwrap_node_to_regmap'

[kernel test robot]

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tree:   https://github.com/frank-w/BPI-R2-4.14 5.15-rc
head:   cfa07bcc9a852f495b9aea8f324121854b40d13b
commit: e01c5f1b881458c2738c2ba42fe073bb1de045b3 [7/21] mt6625l: add changes outside driver dir
config: arc-allyesconfig (attached as .config)
compiler: arceb-elf-gcc (GCC) 11.2.0
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/frank-w/BPI-R2-4.14/commit/e01c5f1b881458c2738c2ba42fe073bb1de045b3
        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-rc
        git checkout e01c5f1b881458c2738c2ba42fe073bb1de045b3
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=arc 

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 'pwrap_node_to_regmap' [-Werror=missing-prototypes]
    2112 | struct regmap *pwrap_node_to_regmap(struct device_node *np)
         |                ^~~~~~~~~~~~~~~~~~~~
   cc1: all warnings being treated as errors


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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