Hi Ivan, kernel test robot noticed the following build warnings: [auto build test WARNING on jic23-iio/togreg] [also build test WARNING on robh/for-next linus/master v6.6-rc5 next-20231009] [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/Ivan-Mikhaylov/dt-bindings-adc-provide-max34408-9-device-tree-binding-document/20231008-074933 base: https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git togreg patch link: https://lore.kernel.org/r/20231007234838.8748-3-fr0st61te%40gmail.com patch subject: [PATCH v5 2/2] iio: adc: Add driver support for MAX34408/9 config: powerpc-allmodconfig (https://download.01.org/0day-ci/archive/20231009/202310091704.gr3fx4Vo-lkp@xxxxxxxxx/config) compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project.git 4a5ac14ee968ff0ad5d2cc1ffa0299048db4c88a) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231009/202310091704.gr3fx4Vo-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/202310091704.gr3fx4Vo-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> drivers/iio/adc/max34408.c:240:31: warning: variable 'i' is uninitialized when used here [-Wuninitialized] 240 | &max34408->input_rsense[i]); | ^ drivers/iio/adc/max34408.c:215:11: note: initialize the variable 'i' to silence this warning 215 | int rc, i; | ^ | = 0 1 warning generated. vim +/i +240 drivers/iio/adc/max34408.c 205 206 static int max34408_probe(struct i2c_client *client) 207 { 208 const struct max34408_adc_model_data *model_data; 209 struct device *dev = &client->dev; 210 const struct of_device_id *match; 211 struct max34408_data *max34408; 212 struct fwnode_handle *node; 213 struct iio_dev *indio_dev; 214 struct regmap *regmap; 215 int rc, i; 216 217 match = i2c_of_match_device(max34408_of_match, client); 218 if (!match) 219 return -EINVAL; 220 model_data = i2c_get_match_data(client); 221 222 regmap = devm_regmap_init_i2c(client, &max34408_regmap_config); 223 if (IS_ERR(regmap)) { 224 dev_err_probe(dev, PTR_ERR(regmap), 225 "regmap_init failed\n"); 226 return PTR_ERR(regmap); 227 } 228 229 indio_dev = devm_iio_device_alloc(dev, sizeof(*max34408)); 230 if (!indio_dev) 231 return -ENOMEM; 232 233 max34408 = iio_priv(indio_dev); 234 max34408->regmap = regmap; 235 max34408->dev = dev; 236 mutex_init(&max34408->lock); 237 238 device_for_each_child_node(dev, node) { 239 fwnode_property_read_u32(node, "maxim,rsense-val-micro-ohms", > 240 &max34408->input_rsense[i]); 241 i++; 242 } 243 244 /* disable ALERT and averaging */ 245 rc = regmap_write(max34408->regmap, MAX34408_CONTROL_REG, 0x0); 246 if (rc) 247 return rc; 248 249 indio_dev->channels = model_data->channels; 250 indio_dev->num_channels = model_data->num_channels; 251 indio_dev->name = model_data->model_name; 252 253 indio_dev->info = &max34408_info; 254 indio_dev->modes = INDIO_DIRECT_MODE; 255 256 return devm_iio_device_register(dev, indio_dev); 257 } 258 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
