Re: [PATCH] regulator: TPS6287X: Use min/max uV to get VRANGE

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

Hi Jonas,

kernel test robot noticed the following build errors:

[auto build test ERROR on adc218676eef25575469234709c2d87185ca223a]

url:    https://github.com/intel-lab-lkp/linux/commits/Jonas-Andreasson/regulator-TPS6287X-Use-min-max-uV-to-get-VRANGE/20250115-175832
base:   adc218676eef25575469234709c2d87185ca223a
patch link:    https://lore.kernel.org/r/20250115-tps-fix-v1-1-2bd7b316409d%40axis.com
patch subject: [PATCH] regulator: TPS6287X: Use min/max uV to get VRANGE
config: i386-randconfig-002-20250116 (https://download.01.org/0day-ci/archive/20250118/202501181129.ygE03Iho-lkp@intel.com/config)
compiler: clang version 19.1.3 (https://github.com/llvm/llvm-project ab51eccf88f5321e7c60591c5546b254b6afab99)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250118/202501181129.ygE03Iho-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/202501181129.ygE03Iho-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from drivers/regulator/tps6287x-regulator.c:10:
   In file included from include/linux/i2c.h:19:
   In file included from include/linux/regulator/consumer.h:35:
   In file included from include/linux/suspend.h:5:
   In file included from include/linux/swap.h:9:
   In file included from include/linux/memcontrol.h:21:
   In file included from include/linux/mm.h:2213:
   include/linux/vmstat.h:518:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion]
     518 |         return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_"
         |                               ~~~~~~~~~~~ ^ ~~~
>> drivers/regulator/tps6287x-regulator.c:203:49: error: passing 'const struct regulator_desc *' to parameter of type 'struct regulator_desc *' discards qualifiers [-Werror,-Wincompatible-pointer-types-discards-qualifiers]
     203 |         reg_data->range = tps6287x_best_range(&config, &tps6287x_reg);
         |                                                        ^~~~~~~~~~~~~
   drivers/regulator/tps6287x-regulator.c:59:88: note: passing argument to parameter 'desc' here
      59 | static int tps6287x_best_range(struct regulator_config *config, struct regulator_desc *desc)
         |                                                                                        ^
   1 warning and 1 error generated.


vim +203 drivers/regulator/tps6287x-regulator.c

   179	
   180	static int tps6287x_i2c_probe(struct i2c_client *i2c)
   181	{
   182		struct device *dev = &i2c->dev;
   183		struct regulator_config config = {};
   184		struct tps6287x_reg_data *reg_data;
   185		struct regulator_dev *rdev;
   186	
   187		reg_data = devm_kzalloc(dev, sizeof(struct tps6287x_reg_data), GFP_KERNEL);
   188	
   189		if (!reg_data)
   190			return -ENOMEM;
   191	
   192		config.regmap = devm_regmap_init_i2c(i2c, &tps6287x_regmap_config);
   193		if (IS_ERR(config.regmap)) {
   194			dev_err(dev, "Failed to init i2c\n");
   195			return PTR_ERR(config.regmap);
   196		}
   197	
   198		config.dev = dev;
   199		config.of_node = dev->of_node;
   200		config.init_data = of_get_regulator_init_data(dev, dev->of_node,
   201							      &tps6287x_reg);
   202	
 > 203		reg_data->range = tps6287x_best_range(&config, &tps6287x_reg);
   204	
   205		rdev = devm_regulator_register(dev, &tps6287x_reg, &config);
   206		if (IS_ERR(rdev)) {
   207			dev_err(dev, "Failed to register regulator\n");
   208			return PTR_ERR(rdev);
   209		}
   210	
   211		rdev->reg_data = (void *)reg_data;
   212		dev_dbg(dev, "Probed regulator\n");
   213	
   214		return 0;
   215	}
   216	

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