Hi Derek, kernel test robot noticed the following build warnings: [auto build test WARNING on groeck-staging/hwmon-next] [also build test WARNING on linus/master v6.11-rc3 next-20240815] [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/Derek-J-Clark/hwmon-oxp-sensors-Add-support-for-multiple-new-devices/20240815-111550 base: https://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging.git hwmon-next patch link: https://lore.kernel.org/r/20240815031358.21027-2-derekjohn.clark%40gmail.com patch subject: [PATCH 1/1] hwmon: (oxp-sensors) Add support for multiple new devices. config: i386-buildonly-randconfig-005-20240815 (https://download.01.org/0day-ci/archive/20240816/202408160329.TLNbIwRC-lkp@xxxxxxxxx/config) compiler: clang version 18.1.5 (https://github.com/llvm/llvm-project 617a15a9eac96088ae5e9134248d8236e34b91b1) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240816/202408160329.TLNbIwRC-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/202408160329.TLNbIwRC-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> drivers/hwmon/oxp-sensors.c:497:3: warning: unannotated fall-through between switch labels [-Wimplicit-fallthrough] 497 | default: | ^ drivers/hwmon/oxp-sensors.c:497:3: note: insert 'break;' to avoid fall-through 497 | default: | ^ | break; drivers/hwmon/oxp-sensors.c:564:3: warning: unannotated fall-through between switch labels [-Wimplicit-fallthrough] 564 | default: | ^ drivers/hwmon/oxp-sensors.c:564:3: note: insert 'break;' to avoid fall-through 564 | default: | ^ | break; drivers/hwmon/oxp-sensors.c:616:3: warning: unannotated fall-through between switch labels [-Wimplicit-fallthrough] 616 | default: | ^ drivers/hwmon/oxp-sensors.c:616:3: note: insert 'break;' to avoid fall-through 616 | default: | ^ | break; 3 warnings generated. vim +497 drivers/hwmon/oxp-sensors.c 464 465 static int oxp_platform_read(struct device *dev, enum hwmon_sensor_types type, 466 u32 attr, int channel, long *val) 467 { 468 int ret; 469 470 switch (type) { 471 case hwmon_fan: 472 switch (attr) { 473 case hwmon_fan_input: 474 switch (board) { 475 case orange_pi_neo: 476 return read_from_ec(ORANGEPI_SENSOR_FAN_REG, 2, val); 477 case aok_zoe_a1: 478 case aya_neo_2: 479 case aya_neo_2s: 480 case aya_neo_air: 481 case aya_neo_air_1s: 482 case aya_neo_air_plus_mendo: 483 case aya_neo_air_pro: 484 case aya_neo_flip: 485 case aya_neo_geek: 486 case aya_neo_geek_1s: 487 case aya_neo_kun: 488 case oxp_mini_amd: 489 case oxp_mini_amd_a07: 490 case oxp_2: 491 case oxp_fly: 492 case oxp_mini_amd_pro: 493 return read_from_ec(OXP_SENSOR_FAN_REG, 2, val); 494 default: 495 break; 496 } > 497 default: 498 break; 499 } 500 break; 501 case hwmon_pwm: 502 switch (attr) { 503 case hwmon_pwm_input: 504 switch (board) { 505 case orange_pi_neo: 506 ret = read_from_ec(ORANGEPI_SENSOR_PWM_REG, 1, val); 507 if (ret) 508 return ret; 509 /* scale from range [1-244] */ 510 *val = ((*val - 1) * 254 / 243) + 1; 511 break; 512 case aya_neo_2: 513 case aya_neo_2s: 514 case aya_neo_air: 515 case aya_neo_air_1s: 516 case aya_neo_air_plus_mendo: 517 case aya_neo_air_pro: 518 case aya_neo_flip: 519 case aya_neo_geek: 520 case aya_neo_geek_1s: 521 case aya_neo_kun: 522 case oxp_mini_amd: 523 case oxp_mini_amd_a07: 524 ret = read_from_ec(OXP_SENSOR_PWM_REG, 1, val); 525 if (ret) 526 return ret; 527 *val = (*val * 255) / 100; 528 break; 529 case aok_zoe_a1: 530 case oxp_2: 531 case oxp_fly: 532 case oxp_mini_amd_pro: 533 default: 534 ret = read_from_ec(OXP_SENSOR_PWM_REG, 1, val); 535 if (ret) 536 return ret; 537 break; 538 } 539 return 0; 540 case hwmon_pwm_enable: 541 switch (board) { 542 case orange_pi_neo: 543 return read_from_ec(ORANGEPI_SENSOR_PWM_ENABLE_REG, 1, val); 544 case aok_zoe_a1: 545 case aya_neo_2: 546 case aya_neo_2s: 547 case aya_neo_air: 548 case aya_neo_air_1s: 549 case aya_neo_air_plus_mendo: 550 case aya_neo_air_pro: 551 case aya_neo_flip: 552 case aya_neo_geek: 553 case aya_neo_geek_1s: 554 case aya_neo_kun: 555 case oxp_mini_amd: 556 case oxp_mini_amd_a07: 557 case oxp_2: 558 case oxp_fly: 559 case oxp_mini_amd_pro: 560 return read_from_ec(OXP_SENSOR_PWM_ENABLE_REG, 1, val); 561 default: 562 break; 563 } 564 default: 565 break; 566 } 567 break; 568 default: 569 break; 570 } 571 return -EOPNOTSUPP; 572 } 573 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki