Re: [PATCH v2 2/3] 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 f9a1d31874c383f58bb4f89bfe79b764682cd026]

url:    https://github.com/intel-lab-lkp/linux/commits/Naresh-Solanki/regulator-userspace-consumer-Retrieve-supplies-from-DT/20231004-201151
base:   f9a1d31874c383f58bb4f89bfe79b764682cd026
patch link:    https://lore.kernel.org/r/20231004121010.1192344-2-naresh.solanki%409elements.com
patch subject: [PATCH v2 2/3] regulator: userspace-consumer: Retrieve supplies from DT
config: i386-buildonly-randconfig-003-20231004 (https://download.01.org/0day-ci/archive/20231005/202310050133.mv0eecfC-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231005/202310050133.mv0eecfC-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/202310050133.mv0eecfC-lkp@intel.com/

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

   drivers/regulator/userspace-consumer.c: In function 'get_num_supplies':
>> drivers/regulator/userspace-consumer.c:139:9: error: implicit declaration of function 'for_each_property_of_node'; did you mean 'for_each_child_of_node'? [-Werror=implicit-function-declaration]
     139 |         for_each_property_of_node(pdev->dev.of_node, prop) {
         |         ^~~~~~~~~~~~~~~~~~~~~~~~~
         |         for_each_child_of_node
>> drivers/regulator/userspace-consumer.c:139:59: error: expected ';' before '{' token
     139 |         for_each_property_of_node(pdev->dev.of_node, prop) {
         |                                                           ^~
         |                                                           ;
   drivers/regulator/userspace-consumer.c:137:13: warning: unused variable 'num_supplies' [-Wunused-variable]
     137 |         int num_supplies = 0;
         |             ^~~~~~~~~~~~
   drivers/regulator/userspace-consumer.c:144:1: error: no return statement in function returning non-void [-Werror=return-type]
     144 | }
         | ^
   drivers/regulator/userspace-consumer.c: In function 'regulator_userspace_consumer_probe':
   drivers/regulator/userspace-consumer.c:170:67: error: expected ';' before '{' token
     170 |                 for_each_property_of_node(pdev->dev.of_node, prop) {
         |                                                                   ^~
         |                                                                   ;
   drivers/regulator/userspace-consumer.c: At top level:
>> drivers/regulator/userspace-consumer.c:121:15: warning: 'prop_supply_name' defined but not used [-Wunused-function]
     121 | static size_t prop_supply_name(char *prop_name)
         |               ^~~~~~~~~~~~~~~~
   cc1: some warnings being treated as errors


vim +139 drivers/regulator/userspace-consumer.c

   120	
 > 121	static size_t prop_supply_name(char *prop_name)
   122	{
   123		int len = strlen(prop_name);
   124	
   125		if (len <= SUPPLY_SUFFIX_LEN)
   126			return 0;
   127	
   128		if (strcmp(prop_name + len - SUPPLY_SUFFIX_LEN, SUPPLY_SUFFIX) == 0)
   129			return len - SUPPLY_SUFFIX_LEN;
   130	
   131		return 0;
   132	}
   133	
   134	static int get_num_supplies(struct platform_device *pdev)
   135	{
   136		struct  property *prop;
   137		int num_supplies = 0;
   138	
 > 139		for_each_property_of_node(pdev->dev.of_node, prop) {
   140			if (prop_supply_name(prop->name))
   141				num_supplies++;
   142		}
   143		return num_supplies;
   144	}
   145	

-- 
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