[PATCH v5 02/10] regulator: Move OF-specific regulator lookup code to of_regulator.c

[kernel test robot]

Hi Chen-Yu,

kernel test robot noticed the following build errors:

[auto build test ERROR on broonie-regulator/for-next]
[also build test ERROR on robh/for-next wsa/i2c/for-next linus/master v6.11-rc5 next-20240826]
[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/Chen-Yu-Tsai/of-dynamic-Add-of_changeset_update_prop_string/20240826-105737
base:   https://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator.git for-next
patch link:    https://lore.kernel.org/r/20240822092006.3134096-3-wenst%40chromium.org
patch subject: [PATCH v5 02/10] regulator: Move OF-specific regulator lookup code to of_regulator.c
config: i386-buildonly-randconfig-003-20240826 (https://download.01.org/0day-ci/archive/20240826/202408262013.YYc4obi2-lkp@intel.com/config)
compiler: clang version 18.1.5 (https://github.com/llvm/llvm-project 617a15a9eac96088ae5e9134248d8236e34b91b1)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240826/202408262013.YYc4obi2-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 at intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202408262013.YYc4obi2-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from drivers/regulator/devres.c:15:
>> drivers/regulator/internal.h:87:9: error: incompatible integer to pointer conversion returning 'int' from a function with result type 'struct regulator_dev *' [-Wint-conversion]
      87 |         return -ENODEV;
         |                ^~~~~~~
   1 error generated.


vim +87 drivers/regulator/internal.h

    82	
    83	#else
    84	static inline struct regulator_dev *of_regulator_dev_lookup(struct device *dev,
    85								    const char *supply)
    86	{
  > 87		return -ENODEV;
    88	}
    89	

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