Re: [RESEND PATCH] regulator: userspace-consumer: Retrieve supplies from DT

[kernel test robot <lkp@intel.com>]

Hi Naresh,

kernel test robot noticed the following build errors:

[auto build test ERROR on 8950c4a350c188deb5f5b05df3244d4db82fe3d8]

url:    https://github.com/intel-lab-lkp/linux/commits/Naresh-Solanki/regulator-userspace-consumer-Retrieve-supplies-from-DT/20230829-222520
base:   8950c4a350c188deb5f5b05df3244d4db82fe3d8
patch link:    https://lore.kernel.org/r/20230829141413.2605621-1-Naresh.Solanki%409elements.com
patch subject: [RESEND PATCH] regulator: userspace-consumer: Retrieve supplies from DT
config: i386-buildonly-randconfig-001-20230830 (https://download.01.org/0day-ci/archive/20230830/202308301833.WqS6n2RU-lkp@intel.com/config)
compiler: clang version 16.0.4 (https://github.com/llvm/llvm-project.git ae42196bc493ffe877a7e3dff8be32035dea4d07)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20230830/202308301833.WqS6n2RU-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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202308301833.WqS6n2RU-lkp@intel.com/

All errors (new ones prefixed by >>):

>> drivers/regulator/userspace-consumer.c:164:2: error: call to undeclared function 'for_each_property_of_node'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
           for_each_property_of_node(pdev->dev.of_node, prop) {
           ^
>> drivers/regulator/userspace-consumer.c:164:52: error: expected ';' after expression
           for_each_property_of_node(pdev->dev.of_node, prop) {
                                                             ^
                                                             ;
   drivers/regulator/userspace-consumer.c:200:3: error: call to undeclared function 'for_each_property_of_node'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
                   for_each_property_of_node(pdev->dev.of_node, prop) {
                   ^
   drivers/regulator/userspace-consumer.c:200:53: error: expected ';' after expression
                   for_each_property_of_node(pdev->dev.of_node, prop) {
                                                                     ^
                                                                     ;
   4 errors generated.


vim +/for_each_property_of_node +164 drivers/regulator/userspace-consumer.c

   158	
   159	static int get_num_supplies(struct platform_device *pdev)
   160	{
   161		struct  property *prop;
   162		int num_supplies = 0;
   163	
 > 164		for_each_property_of_node(pdev->dev.of_node, prop) {
   165			const char *prop_name = prop->name;
   166			int len = strlen(prop_name);
   167	
   168			if (len > SUPPLY_SUFFIX_LEN && \
   169			    strcmp(prop_name + len - SUPPLY_SUFFIX_LEN, SUPPLY_SUFFIX) == 0) {
   170				num_supplies++;
   171			}
   172		}
   173		return num_supplies;
   174	}
   175	

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