Hi Christopher,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on linus/master]
[also build test ERROR on v4.16-rc5 next-20180315]
[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/Eddie-James/hwmon-ucd9000-Add-gpio-and-debugfs-interfaces/20180316-125048
config: x86_64-randconfig-x017-201810 (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 errors (new ones prefixed by >>):

   drivers/hwmon/pmbus/ucd9000.c: In function 'ucd9000_probe':
>> drivers/hwmon/pmbus/ucd9000.c:457:12: error: 'struct gpio_chip' has no 
>> member named 'of_node'
     data->gpio.of_node = client->dev.of_node;
               ^

vim +457 drivers/hwmon/pmbus/ucd9000.c

   308  
   309  static int ucd9000_probe(struct i2c_client *client,
   310                           const struct i2c_device_id *id)
   311  {
   312          u8 block_buffer[I2C_SMBUS_BLOCK_MAX + 1];
   313          struct ucd9000_data *data;
   314          struct pmbus_driver_info *info;
   315          const struct i2c_device_id *mid;
   316          enum chips chip;
   317          int i, ret;
   318  
   319          if (!i2c_check_functionality(client->adapter,
   320                                       I2C_FUNC_SMBUS_BYTE_DATA |
   321                                       I2C_FUNC_SMBUS_BLOCK_DATA))
   322                  return -ENODEV;
   323  
   324          ret = i2c_smbus_read_block_data(client, UCD9000_DEVICE_ID,
   325                                          block_buffer);
   326          if (ret < 0) {
   327                  dev_err(&client->dev, "Failed to read device ID\n");
   328                  return ret;
   329          }
   330          block_buffer[ret] = '\0';
   331          dev_info(&client->dev, "Device ID %s\n", block_buffer);
   332  
   333          for (mid = ucd9000_id; mid->name[0]; mid++) {
   334                  if (!strncasecmp(mid->name, block_buffer, 
strlen(mid->name)))
   335                          break;
   336          }
   337          if (!mid->name[0]) {
   338                  dev_err(&client->dev, "Unsupported device\n");
   339                  return -ENODEV;
   340          }
   341  
   342          if (client->dev.of_node)
   343                  chip = (enum 
chips)of_device_get_match_data(&client->dev);
   344          else
   345                  chip = id->driver_data;
   346  
   347          if (chip != ucd9000 && chip != mid->driver_data)
   348                  dev_notice(&client->dev,
   349                             "Device mismatch: Configured %s, detected 
%s\n",
   350                             id->name, mid->name);
   351  
   352          data = devm_kzalloc(&client->dev, sizeof(struct ucd9000_data),
   353                              GFP_KERNEL);
   354          if (!data)
   355                  return -ENOMEM;
   356          info = &data->info;
   357  
   358          ret = i2c_smbus_read_byte_data(client, UCD9000_NUM_PAGES);
   359          if (ret < 0) {
   360                  dev_err(&client->dev,
   361                          "Failed to read number of active pages\n");
   362                  return ret;
   363          }
   364          info->pages = ret;
   365          if (!info->pages) {
   366                  dev_err(&client->dev, "No pages configured\n");
   367                  return -ENODEV;
   368          }
   369  
   370          /* The internal temperature sensor is always active */
   371          info->func[0] = PMBUS_HAVE_TEMP;
   372  
   373          /* Everything else is configurable */
   374          ret = i2c_smbus_read_block_data(client, UCD9000_MONITOR_CONFIG,
   375                                          block_buffer);
   376          if (ret <= 0) {
   377                  dev_err(&client->dev, "Failed to read configuration 
data\n");
   378                  return -ENODEV;
   379          }
   380          for (i = 0; i < ret; i++) {
   381                  int page = UCD9000_MON_PAGE(block_buffer[i]);
   382  
   383                  if (page >= info->pages)
   384                          continue;
   385  
   386                  switch (UCD9000_MON_TYPE(block_buffer[i])) {
   387                  case UCD9000_MON_VOLTAGE:
   388                  case UCD9000_MON_VOLTAGE_HW:
   389                          info->func[page] |= PMBUS_HAVE_VOUT
   390                            | PMBUS_HAVE_STATUS_VOUT;
   391                          break;
   392                  case UCD9000_MON_TEMPERATURE:
   393                          info->func[page] |= PMBUS_HAVE_TEMP2
   394                            | PMBUS_HAVE_STATUS_TEMP;
   395                          break;
   396                  case UCD9000_MON_CURRENT:
   397                          info->func[page] |= PMBUS_HAVE_IOUT
   398                            | PMBUS_HAVE_STATUS_IOUT;
   399                          break;
   400                  default:
   401                          break;
   402                  }
   403          }
   404  
   405          /* Fan configuration */
   406          if (mid->driver_data == ucd90124) {
   407                  for (i = 0; i < UCD9000_NUM_FAN; i++) {
   408                          i2c_smbus_write_byte_data(client,
   409                                                    
UCD9000_FAN_CONFIG_INDEX, i);
   410                          ret = i2c_smbus_read_block_data(client,
   411                                                          
UCD9000_FAN_CONFIG,
   412                                                          
data->fan_data[i]);
   413                          if (ret < 0)
   414                                  return ret;
   415                  }
   416                  i2c_smbus_write_byte_data(client, 
UCD9000_FAN_CONFIG_INDEX, 0);
   417  
   418                  info->read_byte_data = ucd9000_read_byte_data;
   419                  info->func[0] |= PMBUS_HAVE_FAN12 | 
PMBUS_HAVE_STATUS_FAN12
   420                    | PMBUS_HAVE_FAN34 | PMBUS_HAVE_STATUS_FAN34;
   421          }
   422  
   423          /*
   424           * Note:
   425           *
   426           * Pinmux support has not been added to the new gpio_chip.
   427           * This support should be added when possible given the mux
   428           * behavior of these IO devices.
   429           */
   430          data->gpio.label = (const char *)&client->name;
   431          data->gpio.get_direction = ucd9000_gpio_get_direction;
   432          data->gpio.direction_input = ucd9000_gpio_direction_input;
   433          data->gpio.direction_output = ucd9000_gpio_direction_output;
   434          data->gpio.get = ucd9000_gpio_get;
   435          data->gpio.set = ucd9000_gpio_set;
   436          data->gpio.can_sleep = 1;
   437          data->gpio.base = -1;
   438  
   439          switch (mid->driver_data) {
   440          case ucd9090:
   441                  data->gpio.ngpio = UCD9090_NUM_GPIOS;
   442                  break;
   443          case ucd90120:
   444          case ucd90124:
   445          case ucd90160:
   446                  data->gpio.ngpio = UCD901XX_NUM_GPIOS;
   447                  break;
   448          case ucd90910:
   449                  data->gpio.ngpio = UCD90910_NUM_GPIOS;
   450                  break;
   451          default:
   452                  break;
   453          }
   454  
   455          data->gpio.parent = &client->dev;
   456          data->gpio.owner = THIS_MODULE;
 > 457          data->gpio.of_node = client->dev.of_node;
   458  
   459          if (data->gpio.ngpio) {
   460                  ret = devm_gpiochip_add_data(&client->dev, &data->gpio,
   461                                               client);
   462                  if (ret)
   463                          dev_warn(&client->dev, "Could not add gpiochip: 
%d\n",
   464                                   ret);
   465          }
   466  
   467          return pmbus_do_probe(client, mid, info);
   468  }
   469  

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

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