Re: [PATCH 2/2] hwmon: pmbus: adp1050 : Add driver support

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Hi Radu,

kernel test robot noticed the following build errors:

[auto build test ERROR on groeck-staging/hwmon-next]
[also build test ERROR on robh/for-next linus/master v6.8 next-20240318]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Radu-Sabau/dt-bindings-hwmon-pmbus-adp1050-add-bindings/20240318-202619
base:   https://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging.git hwmon-next
patch link:    https://lore.kernel.org/r/20240318112140.385244-3-radu.sabau%40analog.com
patch subject: [PATCH 2/2] hwmon: pmbus: adp1050 : Add driver support
config: hexagon-allmodconfig (https://download.01.org/0day-ci/archive/20240319/202403190800.h8cSGROp-lkp@xxxxxxxxx/config)
compiler: clang version 19.0.0git (https://github.com/llvm/llvm-project 8f68022f8e6e54d1aeae4ed301f5a015963089b7)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240319/202403190800.h8cSGROp-lkp@xxxxxxxxx/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202403190800.h8cSGROp-lkp@xxxxxxxxx/

All errors (new ones prefixed by >>):

   In file included from drivers/hwmon/pmbus/adp1050.c:9:
   In file included from include/linux/i2c.h:19:
   In file included from include/linux/regulator/consumer.h:35:
   In file included from include/linux/suspend.h:5:
   In file included from include/linux/swap.h:9:
   In file included from include/linux/memcontrol.h:13:
   In file included from include/linux/cgroup.h:26:
   In file included from include/linux/kernel_stat.h:9:
   In file included from include/linux/interrupt.h:11:
   In file included from include/linux/hardirq.h:11:
   In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1:
   In file included from include/asm-generic/hardirq.h:17:
   In file included from include/linux/irq.h:20:
   In file included from include/linux/io.h:13:
   In file included from arch/hexagon/include/asm/io.h:328:
   include/asm-generic/io.h:547:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
     547 |         val = __raw_readb(PCI_IOBASE + addr);
         |                           ~~~~~~~~~~ ^
   include/asm-generic/io.h:560:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
     560 |         val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr));
         |                                                         ~~~~~~~~~~ ^
   include/uapi/linux/byteorder/little_endian.h:37:51: note: expanded from macro '__le16_to_cpu'
      37 | #define __le16_to_cpu(x) ((__force __u16)(__le16)(x))
         |                                                   ^
   In file included from drivers/hwmon/pmbus/adp1050.c:9:
   In file included from include/linux/i2c.h:19:
   In file included from include/linux/regulator/consumer.h:35:
   In file included from include/linux/suspend.h:5:
   In file included from include/linux/swap.h:9:
   In file included from include/linux/memcontrol.h:13:
   In file included from include/linux/cgroup.h:26:
   In file included from include/linux/kernel_stat.h:9:
   In file included from include/linux/interrupt.h:11:
   In file included from include/linux/hardirq.h:11:
   In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1:
   In file included from include/asm-generic/hardirq.h:17:
   In file included from include/linux/irq.h:20:
   In file included from include/linux/io.h:13:
   In file included from arch/hexagon/include/asm/io.h:328:
   include/asm-generic/io.h:573:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
     573 |         val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr));
         |                                                         ~~~~~~~~~~ ^
   include/uapi/linux/byteorder/little_endian.h:35:51: note: expanded from macro '__le32_to_cpu'
      35 | #define __le32_to_cpu(x) ((__force __u32)(__le32)(x))
         |                                                   ^
   In file included from drivers/hwmon/pmbus/adp1050.c:9:
   In file included from include/linux/i2c.h:19:
   In file included from include/linux/regulator/consumer.h:35:
   In file included from include/linux/suspend.h:5:
   In file included from include/linux/swap.h:9:
   In file included from include/linux/memcontrol.h:13:
   In file included from include/linux/cgroup.h:26:
   In file included from include/linux/kernel_stat.h:9:
   In file included from include/linux/interrupt.h:11:
   In file included from include/linux/hardirq.h:11:
   In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1:
   In file included from include/asm-generic/hardirq.h:17:
   In file included from include/linux/irq.h:20:
   In file included from include/linux/io.h:13:
   In file included from arch/hexagon/include/asm/io.h:328:
   include/asm-generic/io.h:584:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
     584 |         __raw_writeb(value, PCI_IOBASE + addr);
         |                             ~~~~~~~~~~ ^
   include/asm-generic/io.h:594:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
     594 |         __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr);
         |                                                       ~~~~~~~~~~ ^
   include/asm-generic/io.h:604:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
     604 |         __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr);
         |                                                       ~~~~~~~~~~ ^
   In file included from drivers/hwmon/pmbus/adp1050.c:9:
   In file included from include/linux/i2c.h:19:
   In file included from include/linux/regulator/consumer.h:35:
   In file included from include/linux/suspend.h:5:
   In file included from include/linux/swap.h:9:
   In file included from include/linux/memcontrol.h:20:
   In file included from include/linux/mm.h:2188:
   include/linux/vmstat.h:522:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion]
     522 |         return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_"
         |                               ~~~~~~~~~~~ ^ ~~~
>> drivers/hwmon/pmbus/adp1050.c:47:60: error: too few arguments to function call, expected at least 3, have 2
      47 |                 dev_err_probe(&client->dev, "Device can't be unlocked.\n");
         |                 ~~~~~~~~~~~~~                                            ^
   include/linux/dev_printk.h:277:20: note: 'dev_err_probe' declared here
     277 | __printf(3, 4) int dev_err_probe(const struct device *dev, int err, const char *fmt, ...);
         |                    ^             ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/hwmon/pmbus/adp1050.c:53:63: error: too few arguments to function call, expected at least 3, have 2
      53 |                 dev_err_probe(&client->dev, "Device couldn't be unlocked.\n");
         |                 ~~~~~~~~~~~~~                                               ^
   include/linux/dev_printk.h:277:20: note: 'dev_err_probe' declared here
     277 | __printf(3, 4) int dev_err_probe(const struct device *dev, int err, const char *fmt, ...);
         |                    ^             ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   7 warnings and 2 errors generated.


vim +47 drivers/hwmon/pmbus/adp1050.c

    32	
    33	static int adp1050_probe(struct i2c_client *client)
    34	{
    35		u32 vin_scale_monitor, iin_scale_monitor;
    36		int ret;
    37	
    38		if (!i2c_check_functionality(client->adapter,
    39					     I2C_FUNC_SMBUS_WRITE_WORD_DATA))
    40			return -ENODEV;
    41	
    42		/* Unlock CHIP's password in order to be able to read/write to it's
    43		 * VIN_SCALE and IIN_SCALE registers.
    44		*/
    45		ret = i2c_smbus_write_word_data(client, ADP1050_CHIP_PASSWORD, 0xFFFF);
    46		if (ret < 0) {
  > 47			dev_err_probe(&client->dev, "Device can't be unlocked.\n");
    48			return ret;
    49		}
    50	
    51		ret = i2c_smbus_write_word_data(client, ADP1050_CHIP_PASSWORD, 0xFFFF);
    52		if (ret < 0) {
    53			dev_err_probe(&client->dev, "Device couldn't be unlocked.\n");
    54			return ret;
    55		}
    56	
    57		/* If adi,vin-scale-monitor isn't set or is set to 0 means that the
    58		 * VIN monitor isn't used, therefore 0 is used as scale in order
    59		 * for the readings to return 0.
    60		*/
    61		if (device_property_read_u32(&client->dev, "adi,vin-scale-monitor",
    62					     &vin_scale_monitor))
    63			vin_scale_monitor = 0;
    64	
    65		/* If adi,iin-scale-monitor isn't set or is set to 0 means that the
    66		 * IIN monitor isn't used, therefore 0 is used as scale in order
    67		 * for the readings to return 0.
    68		*/
    69		if (device_property_read_u32(&client->dev, "adi,iin-scale-monitor",
    70					     &iin_scale_monitor))
    71			iin_scale_monitor = 0;
    72	
    73		ret = i2c_smbus_write_word_data(client, ADP1050_VIN_SCALE_MONITOR,
    74						vin_scale_monitor);
    75		if (ret < 0)
    76			return ret;
    77	
    78		ret = i2c_smbus_write_word_data(client, ADP1050_IIN_SCALE_MONITOR,
    79						iin_scale_monitor);
    80		if (ret < 0)
    81			return ret;
    82	
    83		return pmbus_do_probe(client, &adp1050_info);
    84	}
    85	

-- 
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https://github.com/intel/lkp-tests/wiki




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