[gpio:gpio-descriptors-regulator-fixup 4/10] drivers//regulator/max77686-regulator.c:258:23: error: implicit declaration of function 'gpiod_get_from_of_node'; did you mean 'devm_gpiod_get_from_of_node'?

[kbuild test robot <lkp@xxxxxxxxx>]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio.git gpio-descriptors-regulator-fixup
head:   0aaccc590e7a2f0d6f846c9e3698168e6d0c01f8
commit: 7f5a6c795962dd351402f6513757e0c3ce1ae188 [4/10] regulator: max77686: Let core handle GPIO descriptor
config: i386-randconfig-x002-201847 (attached as .config)
compiler: gcc-7 (Debian 7.3.0-1) 7.3.0
reproduce:
        git checkout 7f5a6c795962dd351402f6513757e0c3ce1ae188
        # save the attached .config to linux build tree
        make ARCH=i386 

Note: the gpio/gpio-descriptors-regulator-fixup HEAD 0aaccc590e7a2f0d6f846c9e3698168e6d0c01f8 builds fine.
      It only hurts bisectibility.

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

   drivers//regulator/max77686-regulator.c: In function 'max77686_of_parse_cb':
>> drivers//regulator/max77686-regulator.c:258:23: error: implicit declaration of function 'gpiod_get_from_of_node'; did you mean 'devm_gpiod_get_from_of_node'? [-Werror=implicit-function-declaration]
      config->ena_gpiod = gpiod_get_from_of_node(max77686->dev,
                          ^~~~~~~~~~~~~~~~~~~~~~
                          devm_gpiod_get_from_of_node
>> drivers//regulator/max77686-regulator.c:258:21: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
      config->ena_gpiod = gpiod_get_from_of_node(max77686->dev,
                        ^
   cc1: some warnings being treated as errors

vim +258 drivers//regulator/max77686-regulator.c

   247	
   248	static int max77686_of_parse_cb(struct device_node *np,
   249			const struct regulator_desc *desc,
   250			struct regulator_config *config)
   251	{
   252		struct max77686_data *max77686 = config->driver_data;
   253	
   254		switch (desc->id) {
   255		case MAX77686_BUCK8:
   256		case MAX77686_BUCK9:
   257		case MAX77686_LDO20 ... MAX77686_LDO22:
 > 258			config->ena_gpiod = gpiod_get_from_of_node(max77686->dev,
   259					np,
   260					"maxim,ena",
   261					0,
   262					GPIOD_OUT_HIGH | GPIOD_FLAGS_BIT_NONEXCLUSIVE,
   263					"max77686-regulator");
   264			if (IS_ERR(config->ena_gpiod))
   265				config->ena_gpiod = NULL;
   266			break;
   267		default:
   268			return 0;
   269		}
   270	
   271		if (config->ena_gpiod) {
   272			set_bit(desc->id, max77686->gpio_enabled);
   273	
   274			return regmap_update_bits(config->regmap, desc->enable_reg,
   275						  desc->enable_mask,
   276						  MAX77686_GPIO_CONTROL);
   277		}
   278	
   279		return 0;
   280	}
   281	

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