Hi Joshua, kernel test robot noticed the following build warnings: [auto build test WARNING on 1ebab783647a9e3bf357002d5c4ff060c8474a0a] url: https://github.com/intel-lab-lkp/linux/commits/Joshua-Felmeden/dt-bindings-iio-humidity-add-ENS210-sensor-family/20240719-210648 base: 1ebab783647a9e3bf357002d5c4ff060c8474a0a patch link: https://lore.kernel.org/r/20240719-ens21x-v4-2-6044e48a376a%40thegoodpenguin.co.uk patch subject: [PATCH v4 2/2] iio: humidity: Add support for ENS210 config: s390-allmodconfig (https://download.01.org/0day-ci/archive/20240720/202407201602.KrJ889wu-lkp@xxxxxxxxx/config) compiler: clang version 19.0.0git (https://github.com/llvm/llvm-project ad154281230d83ee551e12d5be48bb956ef47ed3) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240720/202407201602.KrJ889wu-lkp@xxxxxxxxx/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@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202407201602.KrJ889wu-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): In file included from drivers/iio/humidity/ens210.c:19: In file included from include/linux/i2c.h:13: In file included from include/linux/acpi.h:14: In file included from include/linux/device.h:32: In file included from include/linux/device/driver.h:21: In file included from include/linux/module.h:19: In file included from include/linux/elf.h:6: In file included from arch/s390/include/asm/elf.h:173: In file included from arch/s390/include/asm/mmu_context.h:11: In file included from arch/s390/include/asm/pgalloc.h:18: In file included from include/linux/mm.h:2258: include/linux/vmstat.h:500:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 500 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 501 | item]; | ~~~~ include/linux/vmstat.h:507:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 507 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 508 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ include/linux/vmstat.h:514:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 514 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_" | ~~~~~~~~~~~ ^ ~~~ include/linux/vmstat.h:519:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 519 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 520 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ include/linux/vmstat.h:528:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 528 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 529 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ >> drivers/iio/humidity/ens210.c:252:4: warning: format specifies type 'unsigned long' but the argument has underlying type 'unsigned int' [-Wformat] 251 | "Part ID does not match (0x%04x != 0x%04lx)\n", part_id, | ~~~~~ | %04x 252 | data->chip_info->part_id); | ^~~~~~~~~~~~~~~~~~~~~~~~ include/linux/dev_printk.h:160:67: note: expanded from macro 'dev_info' 160 | dev_printk_index_wrap(_dev_info, KERN_INFO, dev, dev_fmt(fmt), ##__VA_ARGS__) | ~~~ ^~~~~~~~~~~ include/linux/dev_printk.h:110:23: note: expanded from macro 'dev_printk_index_wrap' 110 | _p_func(dev, fmt, ##__VA_ARGS__); \ | ~~~ ^~~~~~~~~~~ drivers/iio/humidity/ens210.c:200:30: warning: unused variable 'id' [-Wunused-variable] 200 | const struct i2c_device_id *id = i2c_client_get_device_id(client); | ^~ 7 warnings generated. vim +252 drivers/iio/humidity/ens210.c 197 198 static int ens210_probe(struct i2c_client *client) 199 { 200 const struct i2c_device_id *id = i2c_client_get_device_id(client); 201 struct ens210_data *data; 202 struct iio_dev *indio_dev; 203 uint16_t part_id; 204 int ret; 205 206 if (!i2c_check_functionality(client->adapter, 207 I2C_FUNC_SMBUS_WRITE_BYTE_DATA | 208 I2C_FUNC_SMBUS_WRITE_BYTE | 209 I2C_FUNC_SMBUS_READ_I2C_BLOCK)) { 210 dev_err_probe(&client->dev, -EOPNOTSUPP, 211 "adapter does not support some i2c transactions\n"); 212 return -EOPNOTSUPP; 213 } 214 215 indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*data)); 216 if (!indio_dev) 217 return -ENOMEM; 218 219 data = iio_priv(indio_dev); 220 i2c_set_clientdata(client, indio_dev); 221 data->client = client; 222 mutex_init(&data->lock); 223 data->chip_info = i2c_get_match_data(client); 224 225 ret = devm_regulator_get_enable(&client->dev, "vdd"); 226 if (ret) 227 return ret; 228 229 /* reset device */ 230 ret = i2c_smbus_write_byte_data(client, ENS210_REG_SYS_CTRL, 231 ENS210_SYS_CTRL_SYS_RESET); 232 if (ret) 233 return ret; 234 235 /* wait for device to become active */ 236 usleep_range(4000, 5000); 237 238 /* disable low power mode */ 239 ret = i2c_smbus_write_byte_data(client, ENS210_REG_SYS_CTRL, 0x00); 240 if (ret) 241 return ret; 242 243 /* wait for device to finish */ 244 usleep_range(4000, 5000); 245 246 /* get part_id */ 247 part_id = i2c_smbus_read_word_data(client, ENS210_REG_PART_ID); 248 249 if (part_id != data->chip_info->part_id) { 250 dev_info(&client->dev, 251 "Part ID does not match (0x%04x != 0x%04lx)\n", part_id, > 252 data->chip_info->part_id); 253 } 254 255 /* reenable low power */ 256 ret = i2c_smbus_write_byte_data(client, ENS210_REG_SYS_CTRL, 257 ENS210_SYS_CTRL_LOW_POWER_ENABLE); 258 if (ret) 259 return ret; 260 261 indio_dev->name = data->chip_info->name; 262 indio_dev->modes = INDIO_DIRECT_MODE; 263 indio_dev->channels = ens210_channels; 264 indio_dev->num_channels = ARRAY_SIZE(ens210_channels); 265 indio_dev->info = &ens210_info; 266 267 return devm_iio_device_register(&client->dev, indio_dev); 268 } 269 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
