Hi Iskren, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on b36c969764ab12faebb74711c942fa3e6eaf1e96] url: https://github.com/0day-ci/linux/commits/Iskren-Chernev/power-supply-max17040-support-compatible-devices/20200907-112145 base: b36c969764ab12faebb74711c942fa3e6eaf1e96 config: x86_64-randconfig-r026-20200907 (attached as .config) compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project ab68517e6b7e51b84c4b0e813a30258ec1ce5da5) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # install x86_64 cross compiling tool for clang build # apt-get install binutils-x86-64-linux-gnu # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): >> drivers/power/supply/max17040_battery.c:410:13: warning: cast to smaller integer type 'enum chip_id' from 'const void *' [-Wvoid-pointer-to-enum-cast] chip_id = (enum chip_id) of_device_get_match_data(&client->dev); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 1 warning generated. # https://github.com/0day-ci/linux/commit/20c853834c05ddde6df590b46b94ef66477df1d0 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Iskren-Chernev/power-supply-max17040-support-compatible-devices/20200907-112145 git checkout 20c853834c05ddde6df590b46b94ef66477df1d0 vim +410 drivers/power/supply/max17040_battery.c 385 386 static int max17040_probe(struct i2c_client *client, 387 const struct i2c_device_id *id) 388 { 389 struct i2c_adapter *adapter = client->adapter; 390 struct power_supply_config psy_cfg = {}; 391 struct max17040_chip *chip; 392 enum chip_id chip_id; 393 int ret; 394 395 if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE)) 396 return -EIO; 397 398 chip = devm_kzalloc(&client->dev, sizeof(*chip), GFP_KERNEL); 399 if (!chip) 400 return -ENOMEM; 401 402 chip->client = client; 403 chip->regmap = devm_regmap_init_i2c(client, &max17040_regmap); 404 chip->pdata = client->dev.platform_data; 405 chip_id = (enum chip_id) id->driver_data; 406 if (client->dev.of_node) { 407 ret = max17040_get_of_data(chip); 408 if (ret) 409 return ret; > 410 chip_id = (enum chip_id) of_device_get_match_data(&client->dev); 411 } 412 chip->data = max17040_family[chip_id]; 413 414 i2c_set_clientdata(client, chip); 415 psy_cfg.drv_data = chip; 416 417 chip->battery = devm_power_supply_register(&client->dev, 418 &max17040_battery_desc, &psy_cfg); 419 if (IS_ERR(chip->battery)) { 420 dev_err(&client->dev, "failed: power supply register\n"); 421 return PTR_ERR(chip->battery); 422 } 423 424 ret = max17040_get_version(chip); 425 if (ret < 0) 426 return ret; 427 dev_dbg(&chip->client->dev, "MAX17040 Fuel-Gauge Ver 0x%x\n", ret); 428 429 if (chip_id == ID_MAX17040 || chip_id == ID_MAX17041) 430 max17040_reset(chip); 431 432 /* check interrupt */ 433 if (client->irq && chip->data.has_low_soc_alert) { 434 ret = max17040_set_low_soc_alert(chip, chip->low_soc_alert); 435 if (ret) { 436 dev_err(&client->dev, 437 "Failed to set low SOC alert: err %d\n", ret); 438 return ret; 439 } 440 441 ret = max17040_enable_alert_irq(chip); 442 if (ret) { 443 client->irq = 0; 444 dev_warn(&client->dev, 445 "Failed to get IRQ err %d\n", ret); 446 } 447 } 448 449 INIT_DEFERRABLE_WORK(&chip->work, max17040_work); 450 ret = devm_add_action(&client->dev, max17040_stop_work, chip); 451 if (ret) 452 return ret; 453 max17040_queue_work(chip); 454 455 return 0; 456 } 457 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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