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: m68k-allmodconfig (https://download.01.org/0day-ci/archive/20240319/202403190552.U4RHYvqc-lkp@xxxxxxxxx/config)
compiler: m68k-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240319/202403190552.U4RHYvqc-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/202403190552.U4RHYvqc-lkp@xxxxxxxxx/

All error/warnings (new ones prefixed by >>):

   drivers/hwmon/pmbus/adp1050.c: In function 'adp1050_probe':
>> drivers/hwmon/pmbus/adp1050.c:47:45: warning: passing argument 2 of 'dev_err_probe' makes integer from pointer without a cast [-Wint-conversion]
      47 |                 dev_err_probe(&client->dev, "Device can't be unlocked.\n");
         |                                             ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
         |                                             |
         |                                             char *
   In file included from include/linux/device.h:15,
                    from include/linux/acpi.h:14,
                    from include/linux/i2c.h:13,
                    from drivers/hwmon/pmbus/adp1050.c:9:
   include/linux/dev_printk.h:277:64: note: expected 'int' but argument is of type 'char *'
     277 | __printf(3, 4) int dev_err_probe(const struct device *dev, int err, const char *fmt, ...);
         |                                                            ~~~~^~~
>> drivers/hwmon/pmbus/adp1050.c:47:17: error: too few arguments to function 'dev_err_probe'
      47 |                 dev_err_probe(&client->dev, "Device can't be unlocked.\n");
         |                 ^~~~~~~~~~~~~
   include/linux/dev_printk.h:277:20: note: declared here
     277 | __printf(3, 4) int dev_err_probe(const struct device *dev, int err, const char *fmt, ...);
         |                    ^~~~~~~~~~~~~
   drivers/hwmon/pmbus/adp1050.c:53:45: warning: passing argument 2 of 'dev_err_probe' makes integer from pointer without a cast [-Wint-conversion]
      53 |                 dev_err_probe(&client->dev, "Device couldn't be unlocked.\n");
         |                                             ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
         |                                             |
         |                                             char *
   include/linux/dev_printk.h:277:64: note: expected 'int' but argument is of type 'char *'
     277 | __printf(3, 4) int dev_err_probe(const struct device *dev, int err, const char *fmt, ...);
         |                                                            ~~~~^~~
   drivers/hwmon/pmbus/adp1050.c:53:17: error: too few arguments to function 'dev_err_probe'
      53 |                 dev_err_probe(&client->dev, "Device couldn't be unlocked.\n");
         |                 ^~~~~~~~~~~~~
   include/linux/dev_printk.h:277:20: note: declared here
     277 | __printf(3, 4) int dev_err_probe(const struct device *dev, int err, const char *fmt, ...);
         |                    ^~~~~~~~~~~~~


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

   > 9	#include <linux/i2c.h>
    10	#include <linux/init.h>
    11	#include <linux/kernel.h>
    12	#include <linux/module.h>
    13	#include <linux/of.h>
    14	#include "pmbus.h"
    15	
    16	#define ADP1050_CHIP_PASSWORD		0xD7
    17	
    18	#define ADP1050_VIN_SCALE_MONITOR	0xD8
    19	#define ADP1050_IIN_SCALE_MONITOR	0xD9
    20	
    21	static struct pmbus_driver_info adp1050_info = {
    22		.pages = 1,
    23		.format[PSC_VOLTAGE_IN] = linear,
    24		.format[PSC_VOLTAGE_OUT] = linear,
    25		.format[PSC_CURRENT_IN] = linear,
    26		.format[PSC_TEMPERATURE] = linear,
    27		.func[0] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT
    28			| PMBUS_HAVE_VIN | PMBUS_HAVE_STATUS_INPUT
    29			| PMBUS_HAVE_IIN | PMBUS_HAVE_TEMP
    30			| PMBUS_HAVE_STATUS_TEMP,
    31	};
    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	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki




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