Hi Matti,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on regulator/for-next]
[also build test WARNING on next-20180913]
[cannot apply to v4.19-rc3]
[if your patch is applied to the wrong git tree, please drop us a note to help 
improve the system]

url:    
https://github.com/0day-ci/linux/commits/Matti-Vaittinen/regulator-mfd-dt_bindings-bd718x7-Support-ROHM-bd71847/20180914-000129
base:   https://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator.git 
for-next
config: x86_64-randconfig-x010-201836 (attached as .config)
compiler: gcc-7 (Debian 7.3.0-1) 7.3.0
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All warnings (new ones prefixed by >>):

   drivers/mfd/rohm-bd718x7.c: In function 'bd71837_i2c_probe':
>> drivers/mfd/rohm-bd718x7.c:100:23: warning: cast from pointer to integer of 
>> different size [-Wpointer-to-int-cast]
     bd71837->chip_type = (unsigned int)of_device_get_match_data(&i2c->dev);
                          ^
   Cyclomatic Complexity 1 include/linux/err.h:PTR_ERR
   Cyclomatic Complexity 1 include/linux/device.h:dev_set_drvdata
   Cyclomatic Complexity 1 drivers/mfd/rohm-bd718x7.c:bd71837_i2c_init
   Cyclomatic Complexity 1 include/linux/device.h:devm_kzalloc
   Cyclomatic Complexity 1 include/linux/err.h:IS_ERR
   Cyclomatic Complexity 9 drivers/mfd/rohm-bd718x7.c:bd71837_i2c_probe
   Cyclomatic Complexity 1 drivers/mfd/rohm-bd718x7.c:bd71837_i2c_exit

vim +100 drivers/mfd/rohm-bd718x7.c

    82  
    83  static int bd71837_i2c_probe(struct i2c_client *i2c,
    84                              const struct i2c_device_id *id)
    85  {
    86          struct bd71837 *bd71837;
    87          int ret;
    88  
    89          if (!i2c->irq) {
    90                  dev_err(&i2c->dev, "No IRQ configured\n");
    91                  return -EINVAL;
    92          }
    93  
    94          bd71837 = devm_kzalloc(&i2c->dev, sizeof(struct bd71837), 
GFP_KERNEL);
    95  
    96          if (!bd71837)
    97                  return -ENOMEM;
    98  
    99          bd71837->chip_irq = i2c->irq;
 > 100          bd71837->chip_type = (unsigned 
 > int)of_device_get_match_data(&i2c->dev);
   101          bd71837->dev = &i2c->dev;
   102          dev_set_drvdata(&i2c->dev, bd71837);
   103  
   104          bd71837->regmap = devm_regmap_init_i2c(i2c, 
&bd71837_regmap_config);
   105          if (IS_ERR(bd71837->regmap)) {
   106                  dev_err(&i2c->dev, "regmap initialization failed\n");
   107                  return PTR_ERR(bd71837->regmap);
   108          }
   109  
   110          ret = devm_regmap_add_irq_chip(&i2c->dev, bd71837->regmap,
   111                                         bd71837->chip_irq, IRQF_ONESHOT, 
0,
   112                                         &bd71837_irq_chip, 
&bd71837->irq_data);
   113          if (ret) {
   114                  dev_err(&i2c->dev, "Failed to add irq_chip\n");
   115                  return ret;
   116          }
   117  
   118          /* Configure short press to 10 milliseconds */
   119          ret = regmap_update_bits(bd71837->regmap,
   120                                   BD718XX_REG_PWRONCONFIG0,
   121                                   BD718XX_PWRBTN_PRESS_DURATION_MASK,
   122                                   BD718XX_PWRBTN_SHORT_PRESS_10MS);
   123          if (ret) {
   124                  dev_err(&i2c->dev,
   125                          "Failed to configure button short press 
timeout\n");
   126                  return ret;
   127          }
   128  
   129          /* Configure long press to 10 seconds */
   130          ret = regmap_update_bits(bd71837->regmap,
   131                                   BD718XX_REG_PWRONCONFIG1,
   132                                   BD718XX_PWRBTN_PRESS_DURATION_MASK,
   133                                   BD718XX_PWRBTN_LONG_PRESS_10S);
   134  
   135          if (ret) {
   136                  dev_err(&i2c->dev,
   137                          "Failed to configure button long press 
timeout\n");
   138                  return ret;
   139          }
   140  
   141          ret = regmap_irq_get_virq(bd71837->irq_data, 
BD71837_INT_PWRBTN_S);
   142  
   143          if (ret < 0) {
   144                  dev_err(&i2c->dev, "Failed to get the IRQ\n");
   145                  return ret;
   146          }
   147  
   148          button.irq = ret;
   149  
   150          ret = devm_mfd_add_devices(bd71837->dev, PLATFORM_DEVID_AUTO,
   151                                     bd71837_mfd_cells,
   152                                     ARRAY_SIZE(bd71837_mfd_cells), NULL, 
0,
   153                                     
regmap_irq_get_domain(bd71837->irq_data));
   154          if (ret)
   155                  dev_err(&i2c->dev, "Failed to create subdevices\n");
   156  
   157          return ret;
   158  }
   159  

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

Attachment: .config.gz
Description: application/gzip

Reply via email to