Hi Dmitry,

I love your patch! Yet something to improve:

[auto build test ERROR on regulator/for-next]
[cannot apply to v5.4-rc1 next-20191004]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see https://stackoverflow.com/a/37406982]

url:    https://github.com/0day-ci/linux/commits/Dmitry-Torokhov/regulator-switch-to-using-devm_-fwnode_gpiod_get_index/20191005-085020
base:   https://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator.git for-next
config: sh-allmodconfig (attached as .config)
compiler: sh4-linux-gcc (GCC) 7.4.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        GCC_VERSION=7.4.0 make.cross ARCH=sh 

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

All error/warnings (new ones prefixed by >>):

   drivers/regulator/slg51000-regulator.c: In function 'slg51000_of_parse_cb':
>> drivers/regulator/slg51000-regulator.c:203:14: error: implicit declaration of function 'fwnode_gpiod_get_index'; did you mean 'devm_gpiod_get_index'? [-Werror=implicit-function-declaration]
     ena_gpiod = fwnode_gpiod_get_index(of_fwnode_handle(np), "enable", 0,
                 ^~~~~~~~~~~~~~~~~~~~~~
                 devm_gpiod_get_index
>> drivers/regulator/slg51000-regulator.c:203:12: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
     ena_gpiod = fwnode_gpiod_get_index(of_fwnode_handle(np), "enable", 0,
               ^
   cc1: some warnings being treated as errors

vim +203 drivers/regulator/slg51000-regulator.c

   196	
   197	static int slg51000_of_parse_cb(struct device_node *np,
   198					const struct regulator_desc *desc,
   199					struct regulator_config *config)
   200	{
   201		struct gpio_desc *ena_gpiod;
   202	
 > 203		ena_gpiod = fwnode_gpiod_get_index(of_fwnode_handle(np), "enable", 0,
   204						   GPIOD_OUT_LOW |
   205							GPIOD_FLAGS_BIT_NONEXCLUSIVE,
   206						   "gpio-en-ldo");
   207		if (!IS_ERR(ena_gpiod))
   208			config->ena_gpiod = ena_gpiod;
   209	
   210		return 0;
   211	}
   212	

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