Hi Radu, kernel test robot noticed the following build errors: [auto build test ERROR on groeck-staging/hwmon-next] [also build test ERROR on linus/master v6.10-rc1 next-20240529] [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/drivers-hwmon-max31827-Add-PEC-support/20240530-192727 base: https://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging.git hwmon-next patch link: https://lore.kernel.org/r/20240530112505.14831-1-radu.sabau%40analog.com patch subject: [PATCH v5] drivers: hwmon: max31827: Add PEC support config: hexagon-allmodconfig (https://download.01.org/0day-ci/archive/20240531/202405311134.f2ALUwLL-lkp@xxxxxxxxx/config) compiler: clang version 19.0.0git (https://github.com/llvm/llvm-project bafda89a0944d947fc4b3b5663185e07a397ac30) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240531/202405311134.f2ALUwLL-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/202405311134.f2ALUwLL-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): In file included from drivers/hwmon/max31827.c:12: 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/max31827.c:12: 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/max31827.c:12: 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/max31827.c:12: 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:21: In file included from include/linux/mm.h:2208: 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/max31827.c:336:32: error: declaration of anonymous struct must be a definition 336 | static int max31827_chip_write(struct *regmap, u32 attr, long val) | ^ >> drivers/hwmon/max31827.c:339:7: error: use of undeclared identifier 'hwmon_chip_pec'; did you mean 'hwmon_chip'? 339 | case hwmon_chip_pec: | ^~~~~~~~~~~~~~ | hwmon_chip include/linux/hwmon.h:21:2: note: 'hwmon_chip' declared here 21 | hwmon_chip, | ^ >> drivers/hwmon/max31827.c:340:29: error: use of undeclared identifier 'regmap' 340 | return regmap_update_bits(regmap, MAX31827_CONFIGURATION_REG, | ^ >> drivers/hwmon/max31827.c:341:8: error: use of undeclared identifier 'MAX38127_CONFIGURATION_PEC_EN_MASK' 341 | MAX38127_CONFIGURATION_PEC_EN_MASK, | ^ drivers/hwmon/max31827.c:342:14: error: use of undeclared identifier 'MAX38127_CONFIGURATION_PEC_EN_MASK' 342 | val ? MAX38127_CONFIGURATION_PEC_EN_MASK : 0); | ^ >> drivers/hwmon/max31827.c:357:48: error: too many arguments to function call, expected 2, have 3 357 | return max31827_chip_write(st->regmap, attr, val); | ~~~~~~~~~~~~~~~~~~~ ^~~ drivers/hwmon/max31827.c:336:12: note: 'max31827_chip_write' declared here 336 | static int max31827_chip_write(struct *regmap, u32 attr, long val) | ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ >> drivers/hwmon/max31827.c:399:7: error: duplicate case value 'hwmon_chip' 399 | case hwmon_chip: | ^ drivers/hwmon/max31827.c:356:7: note: previous case defined here 356 | case hwmon_chip: | ^ >> drivers/hwmon/max31827.c:601:53: error: use of undeclared identifier 'HWMON_C_PEC' 601 | HWMON_CHANNEL_INFO(chip, HWMON_C_UPDATE_INTERVAL | HWMON_C_PEC), | ^ 7 warnings and 8 errors generated. vim +336 drivers/hwmon/max31827.c 335 > 336 static int max31827_chip_write(struct *regmap, u32 attr, long val) 337 { 338 switch (attr) { > 339 case hwmon_chip_pec: > 340 return regmap_update_bits(regmap, MAX31827_CONFIGURATION_REG, > 341 MAX38127_CONFIGURATION_PEC_EN_MASK, > 342 val ? MAX38127_CONFIGURATION_PEC_EN_MASK : 0); 343 default: 344 return -EOPNOTSUPP; 345 } 346 } 347 348 static int max31827_write(struct device *dev, enum hwmon_sensor_types type, 349 u32 attr, int channel, long val) 350 { 351 struct max31827_state *st = dev_get_drvdata(dev); 352 int res = 1; 353 int ret; 354 355 switch (type) { 356 case hwmon_chip: > 357 return max31827_chip_write(st->regmap, attr, val); 358 case hwmon_temp: 359 switch (attr) { 360 case hwmon_temp_enable: 361 if (val >> 1) 362 return -EINVAL; 363 364 mutex_lock(&st->lock); 365 /** 366 * The chip should not be enabled while a conversion is 367 * performed. Neither should the chip be enabled when 368 * the alarm values are changed. 369 */ 370 371 st->enable = val; 372 373 ret = regmap_update_bits(st->regmap, 374 MAX31827_CONFIGURATION_REG, 375 MAX31827_CONFIGURATION_1SHOT_MASK | 376 MAX31827_CONFIGURATION_CNV_RATE_MASK, 377 MAX31827_DEVICE_ENABLE(val)); 378 379 mutex_unlock(&st->lock); 380 381 return ret; 382 383 case hwmon_temp_max: 384 return write_alarm_val(st, MAX31827_TH_REG, val); 385 386 case hwmon_temp_max_hyst: 387 return write_alarm_val(st, MAX31827_TH_HYST_REG, val); 388 389 case hwmon_temp_min: 390 return write_alarm_val(st, MAX31827_TL_REG, val); 391 392 case hwmon_temp_min_hyst: 393 return write_alarm_val(st, MAX31827_TL_HYST_REG, val); 394 395 default: 396 return -EOPNOTSUPP; 397 } 398 > 399 case hwmon_chip: 400 if (attr == hwmon_chip_update_interval) { 401 if (!st->enable) 402 return -EINVAL; 403 404 /* 405 * Convert the desired conversion rate into register 406 * bits. res is already initialized with 1. 407 * 408 * This was inspired by lm73 driver. 409 */ 410 while (res < ARRAY_SIZE(max31827_conversions) && 411 val < max31827_conversions[res]) 412 res++; 413 414 if (res == ARRAY_SIZE(max31827_conversions)) 415 res = ARRAY_SIZE(max31827_conversions) - 1; 416 417 res = FIELD_PREP(MAX31827_CONFIGURATION_CNV_RATE_MASK, 418 res); 419 420 ret = regmap_update_bits(st->regmap, 421 MAX31827_CONFIGURATION_REG, 422 MAX31827_CONFIGURATION_CNV_RATE_MASK, 423 res); 424 if (ret) 425 return ret; 426 427 st->update_interval = val; 428 } 429 break; 430 431 default: 432 return -EOPNOTSUPP; 433 } 434 435 return 0; 436 } 437 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki