Hi Eddie,

I love your patch! Perhaps something to improve:

[auto build test WARNING on linus/master]
[cannot apply to v5.3-rc6 next-20190830]
[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/pmbus-ibm-cffps-Add-support-for-version-2-of-PSU/20190901-151755
config: x86_64-randconfig-s0-09021304 (attached as .config)
compiler: gcc-7 (Debian 7.4.0-11) 7.4.0
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <l...@intel.com>

All warnings (new ones prefixed by >>):

   drivers/hwmon/pmbus/ibm-cffps.c: In function 'ibm_cffps_probe':
>> drivers/hwmon/pmbus/ibm-cffps.c:404:8: warning: cast from pointer to integer 
>> of different size [-Wpointer-to-int-cast]
      vs = (int)md;
           ^

vim +404 drivers/hwmon/pmbus/ibm-cffps.c

   393  
   394  static int ibm_cffps_probe(struct i2c_client *client,
   395                             const struct i2c_device_id *id)
   396  {
   397          int i, rc, vs;
   398          struct dentry *debugfs;
   399          struct dentry *ibm_cffps_dir;
   400          struct ibm_cffps *psu;
   401          const void *md = of_device_get_match_data(&client->dev);
   402  
   403          if (md)
 > 404                  vs = (int)md;
   405          else if (id)
   406                  vs = (int)id->driver_data;
   407          else
   408                  vs = 1;
   409  
   410          client->dev.platform_data = &ibm_cffps_pdata;
   411          rc = pmbus_do_probe(client, id, &ibm_cffps_info[vs - 1]);
   412          if (rc)
   413                  return rc;
   414  
   415          /*
   416           * Don't fail the probe if there isn't enough memory for leds 
and
   417           * debugfs.
   418           */
   419          psu = devm_kzalloc(&client->dev, sizeof(*psu), GFP_KERNEL);
   420          if (!psu)
   421                  return 0;
   422  
   423          psu->version = vs;
   424          psu->client = client;
   425          mutex_init(&psu->input_history.update_lock);
   426          psu->input_history.last_update = jiffies - HZ;
   427  
   428          ibm_cffps_create_led_class(psu);
   429  
   430          /* Don't fail the probe if we can't create debugfs */
   431          debugfs = pmbus_get_debugfs_dir(client);
   432          if (!debugfs)
   433                  return 0;
   434  
   435          ibm_cffps_dir = debugfs_create_dir(client->name, debugfs);
   436          if (!ibm_cffps_dir)
   437                  return 0;
   438  
   439          for (i = 0; i < CFFPS_DEBUGFS_NUM_ENTRIES; ++i)
   440                  psu->debugfs_entries[i] = i;
   441  
   442          debugfs_create_file("input_history", 0444, ibm_cffps_dir,
   443                              
&psu->debugfs_entries[CFFPS_DEBUGFS_INPUT_HISTORY],
   444                              &ibm_cffps_fops);
   445          debugfs_create_file("fru", 0444, ibm_cffps_dir,
   446                              &psu->debugfs_entries[CFFPS_DEBUGFS_FRU],
   447                              &ibm_cffps_fops);
   448          debugfs_create_file("part_number", 0444, ibm_cffps_dir,
   449                              &psu->debugfs_entries[CFFPS_DEBUGFS_PN],
   450                              &ibm_cffps_fops);
   451          debugfs_create_file("serial_number", 0444, ibm_cffps_dir,
   452                              &psu->debugfs_entries[CFFPS_DEBUGFS_SN],
   453                              &ibm_cffps_fops);
   454          debugfs_create_file("ccin", 0444, ibm_cffps_dir,
   455                              &psu->debugfs_entries[CFFPS_DEBUGFS_CCIN],
   456                              &ibm_cffps_fops);
   457          debugfs_create_file("fw_version", 0444, ibm_cffps_dir,
   458                              &psu->debugfs_entries[CFFPS_DEBUGFS_FW],
   459                              &ibm_cffps_fops);
   460  
   461          return 0;
   462  }
   463  

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

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