Hi Leo, kernel test robot noticed the following build warnings: [auto build test WARNING on groeck-staging/hwmon-next] [also build test WARNING on linus/master v6.13-rc7 next-20250117] [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/Leo-Yang/dt-bindings-hwmon-ti-ina2xx-Add-INA233-device/20250115-095801 base: https://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging.git hwmon-next patch link: https://lore.kernel.org/r/20250115015519.950795-3-leo.yang.sy0%40gmail.com patch subject: [PATCH v3 2/2] hwmon: Add driver for TI INA233 Current and Power Monitor config: s390-allmodconfig (https://download.01.org/0day-ci/archive/20250118/202501180656.96daAp3W-lkp@xxxxxxxxx/config) compiler: clang version 19.1.3 (https://github.com/llvm/llvm-project ab51eccf88f5321e7c60591c5546b254b6afab99) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250118/202501180656.96daAp3W-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/202501180656.96daAp3W-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): In file included from drivers/hwmon/pmbus/ina233.c:9: In file included from include/linux/i2c.h:13: In file included from include/linux/acpi.h:14: In file included from include/linux/device.h:32: In file included from include/linux/device/driver.h:21: In file included from include/linux/module.h:19: In file included from include/linux/elf.h:6: In file included from arch/s390/include/asm/elf.h:181: In file included from arch/s390/include/asm/mmu_context.h:11: In file included from arch/s390/include/asm/pgalloc.h:18: In file included from include/linux/mm.h:2223: include/linux/vmstat.h:504:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 504 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 505 | item]; | ~~~~ include/linux/vmstat.h:511:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 511 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 512 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ include/linux/vmstat.h:518:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 518 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_" | ~~~~~~~~~~~ ^ ~~~ include/linux/vmstat.h:524:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 524 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 525 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ >> drivers/hwmon/pmbus/ina233.c:147:10: warning: format specifies type 'unsigned long' but the argument has type 'u32' (aka 'unsigned int') [-Wformat] 146 | "The product of Current_LSB %lu and shunt resistor %lu exceed MFR_CALIBRATION register limit.\n", | ~~~ | %u 147 | current_lsb, rshunt); | ^~~~~~~~~~~ drivers/hwmon/pmbus/ina233.c:147:23: warning: format specifies type 'unsigned long' but the argument has type 'u32' (aka 'unsigned int') [-Wformat] 146 | "The product of Current_LSB %lu and shunt resistor %lu exceed MFR_CALIBRATION register limit.\n", | ~~~ | %u 147 | current_lsb, rshunt); | ^~~~~~ drivers/hwmon/pmbus/ina233.c:153:17: warning: format specifies type 'unsigned long' but the argument has type 'u32' (aka 'unsigned int') [-Wformat] 152 | dev_dbg(dev, "power monitor %s (Rshunt = %lu uOhm, Current_LSB = %lu uA/bit)\n", | ~~~ | %u 153 | client->name, rshunt, current_lsb); | ^~~~~~ include/linux/dev_printk.h:165:39: note: expanded from macro 'dev_dbg' 165 | dynamic_dev_dbg(dev, dev_fmt(fmt), ##__VA_ARGS__) | ~~~ ^~~~~~~~~~~ include/linux/dynamic_debug.h:274:19: note: expanded from macro 'dynamic_dev_dbg' 274 | dev, fmt, ##__VA_ARGS__) | ~~~ ^~~~~~~~~~~ include/linux/dynamic_debug.h:250:59: note: expanded from macro '_dynamic_func_call' 250 | _dynamic_func_call_cls(_DPRINTK_CLASS_DFLT, fmt, func, ##__VA_ARGS__) | ^~~~~~~~~~~ include/linux/dynamic_debug.h:248:65: note: expanded from macro '_dynamic_func_call_cls' 248 | __dynamic_func_call_cls(__UNIQUE_ID(ddebug), cls, fmt, func, ##__VA_ARGS__) | ^~~~~~~~~~~ include/linux/dynamic_debug.h:224:15: note: expanded from macro '__dynamic_func_call_cls' 224 | func(&id, ##__VA_ARGS__); \ | ^~~~~~~~~~~ drivers/hwmon/pmbus/ina233.c:153:25: warning: format specifies type 'unsigned long' but the argument has type 'u32' (aka 'unsigned int') [-Wformat] 152 | dev_dbg(dev, "power monitor %s (Rshunt = %lu uOhm, Current_LSB = %lu uA/bit)\n", | ~~~ | %u 153 | client->name, rshunt, current_lsb); | ^~~~~~~~~~~ include/linux/dev_printk.h:165:39: note: expanded from macro 'dev_dbg' 165 | dynamic_dev_dbg(dev, dev_fmt(fmt), ##__VA_ARGS__) | ~~~ ^~~~~~~~~~~ include/linux/dynamic_debug.h:274:19: note: expanded from macro 'dynamic_dev_dbg' 274 | dev, fmt, ##__VA_ARGS__) | ~~~ ^~~~~~~~~~~ include/linux/dynamic_debug.h:250:59: note: expanded from macro '_dynamic_func_call' 250 | _dynamic_func_call_cls(_DPRINTK_CLASS_DFLT, fmt, func, ##__VA_ARGS__) | ^~~~~~~~~~~ include/linux/dynamic_debug.h:248:65: note: expanded from macro '_dynamic_func_call_cls' 248 | __dynamic_func_call_cls(__UNIQUE_ID(ddebug), cls, fmt, func, ##__VA_ARGS__) | ^~~~~~~~~~~ include/linux/dynamic_debug.h:224:15: note: expanded from macro '__dynamic_func_call_cls' 224 | func(&id, ##__VA_ARGS__); \ | ^~~~~~~~~~~ 8 warnings generated. vim +147 drivers/hwmon/pmbus/ina233.c 81 82 static int ina233_probe(struct i2c_client *client) 83 { 84 struct device *dev = &client->dev; 85 int ret, m, R; 86 u32 rshunt; 87 u32 current_lsb; 88 u16 calibration; 89 struct pmbus_driver_info *info; 90 91 info = devm_kzalloc(dev, sizeof(struct pmbus_driver_info), 92 GFP_KERNEL); 93 if (!info) 94 return -ENOMEM; 95 96 info->pages = 1; 97 info->format[PSC_VOLTAGE_IN] = direct; 98 info->format[PSC_VOLTAGE_OUT] = direct; 99 info->format[PSC_CURRENT_OUT] = direct; 100 info->format[PSC_POWER] = direct; 101 info->func[0] = PMBUS_HAVE_VIN | PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_INPUT 102 | PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT 103 | PMBUS_HAVE_POUT 104 | PMBUS_HAVE_VMON | PMBUS_HAVE_STATUS_VMON; 105 info->m[PSC_VOLTAGE_IN] = 8; 106 info->R[PSC_VOLTAGE_IN] = 2; 107 info->m[PSC_VOLTAGE_OUT] = 8; 108 info->R[PSC_VOLTAGE_OUT] = 2; 109 info->read_word_data = ina233_read_word_data; 110 111 /* If INA233 skips current/power, shunt-resistor and current-lsb aren't needed. */ 112 /* read rshunt value (uOhm) */ 113 ret = device_property_read_u32(dev, "shunt-resistor", &rshunt); 114 if (ret) { 115 if (ret != -EINVAL) 116 return dev_err_probe(dev, ret, "Shunt resistor property read fail.\n"); 117 rshunt = INA233_RSHUNT_DEFAULT; 118 } 119 120 /* read current_lsb value (uA) */ 121 ret = device_property_read_u32(dev, "ti,current-lsb-microamp", ¤t_lsb); 122 if (ret) { 123 if (ret != -EINVAL) 124 return dev_err_probe(dev, ret, "Current_LSB property read fail.\n"); 125 current_lsb = INA233_CURRENT_LSB_DEFAULT; 126 } 127 128 if (!rshunt || !current_lsb) 129 return dev_err_probe(dev, -EINVAL, 130 "Shunt resistor and Current_LSB cannot be zero.\n"); 131 132 /* calculate current coefficient */ 133 calculate_coef(&m, &R, current_lsb, 1); 134 info->m[PSC_CURRENT_OUT] = m; 135 info->R[PSC_CURRENT_OUT] = R; 136 137 /* calculate power coefficient */ 138 calculate_coef(&m, &R, current_lsb, 25); 139 info->m[PSC_POWER] = m; 140 info->R[PSC_POWER] = R; 141 142 /* write MFR_CALIBRATION register, Apply formula from spec with unit scaling. */ 143 calibration = div64_u64(5120000000ULL, (u64)rshunt * current_lsb); 144 if (calibration > 0x7FFF) 145 return dev_err_probe(dev, -EINVAL, 146 "The product of Current_LSB %lu and shunt resistor %lu exceed MFR_CALIBRATION register limit.\n", > 147 current_lsb, rshunt); 148 ret = i2c_smbus_write_word_data(client, MFR_CALIBRATION, calibration); 149 if (ret < 0) 150 return dev_err_probe(dev, ret, "Unable to write calibration.\n"); 151 152 dev_dbg(dev, "power monitor %s (Rshunt = %lu uOhm, Current_LSB = %lu uA/bit)\n", 153 client->name, rshunt, current_lsb); 154 155 return pmbus_do_probe(client, info); 156 } 157 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki