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 <l...@intel.com>

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-...@lists.01.org

Attachment: .config.gz
Description: application/gzip

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