Hi, kernel test robot noticed the following build warnings: [auto build test WARNING on 577a66e2e634f712384c57a98f504c44ea4b47da] url: https://github.com/intel-lab-lkp/linux/commits/marius-cristea-microchip-com/dt-bindings-iio-adc-adding-support-for-PAC194X/20250317-171150 base: 577a66e2e634f712384c57a98f504c44ea4b47da patch link: https://lore.kernel.org/r/20250317090803.30003-3-marius.cristea%40microchip.com patch subject: [PATCH v2 2/2] iio: adc: adding support for PAC194X config: sparc-randconfig-r073-20250318 (https://download.01.org/0day-ci/archive/20250318/202503181451.vybqC7U2-lkp@xxxxxxxxx/config) compiler: sparc64-linux-gcc (GCC) 12.4.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250318/202503181451.vybqC7U2-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/202503181451.vybqC7U2-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> drivers/iio/adc/pac1944.c:614: warning: Function parameter or struct member 'active_channels_mask' not described in 'pac1944_chip_info' vim +614 drivers/iio/adc/pac1944.c 546 547 /** 548 * struct pac1944_chip_info - chip configuration 549 * @channels: array of values, true means that channel is active 550 * @iio_info: pointer to iio_info structure 551 * @client: a pointer to the i2c client associated with the device 552 * @lock: lock to prevent concurrent reads/writes 553 * @work_chip_rfsh: chip refresh workqueue implementation 554 * @phys_channels: number of physical channels for the device 555 * @active_channels: array of values, true means that channel is active 556 * @chip_variant: stores the type of the device 557 * @chip_revision: store the silicon revision version of the device 558 * @shunts: array of values, shunt resistor values 559 * @chip_reg_data: pointer to structure, containing data from the device registers 560 * @sample_rate_value: sampling frequency 561 * @labels: array of string, name of each channel 562 * @is_pac195x_family: true if device is part of the PAC195x family 563 * @sampling_mode: sampling mode used by the device 564 * @num_enabled_channels: count of how many chip channels are currently enabled 565 * @slow_alert1: snapshot of slow/alert register 566 * @gpio_alert2: snapshot of gpio/alert register 567 * @acc_fullness: snapshot of accumulator fullness limit register 568 * @overcurrent: array of values, overcurrent limit 569 * @undercurrent: array of values, undercurrent limit 570 * @overpower: array of values, overpower limit 571 * @overvoltage: array of values, overvoltage limit 572 * @undervoltage: array of values, undervoltage limit 573 * @oc_limit_nsamples: number of consecutive samples exceeding the overcurrent limit 574 * @uc_limit_nsamples: number of consecutive samples exceeding the undercurrent limit 575 * @op_limit_nsamples: number of consecutive samples exceeding the overpower limit 576 * @ov_limit_nsamples: number of consecutive samples exceeding the overvoltage limit 577 * @uv_limit_nsamples: number of consecutive samples exceeding the undervoltage limit 578 * @alert_enable: snapshot of alert enable register 579 * @enable_acc: array of values, true means that accumulation channel is measured 580 */ 581 struct pac1944_chip_info { 582 const struct iio_chan_spec *channels; 583 struct iio_info iio_info; 584 struct i2c_client *client; 585 struct mutex lock; /* lock to prevent concurrent reads/writes */ 586 struct delayed_work work_chip_rfsh; 587 u8 phys_channels; 588 bool active_channels[PAC1944_MAX_CH]; 589 unsigned long active_channels_mask; 590 u8 chip_variant; 591 u8 chip_revision; 592 u32 shunts[PAC1944_MAX_CH]; 593 struct reg_data chip_reg_data; 594 s32 sample_rate_value; 595 char *labels[PAC1944_MAX_CH]; 596 bool is_pac195x_family; 597 u8 sampling_mode; 598 u8 num_enabled_channels; 599 u32 slow_alert1; 600 u32 gpio_alert2; 601 u16 acc_fullness; 602 u16 overcurrent[PAC1944_MAX_CH]; 603 u16 undercurrent[PAC1944_MAX_CH]; 604 u32 overpower[PAC1944_MAX_CH]; 605 u16 overvoltage[PAC1944_MAX_CH]; 606 u16 undervoltage[PAC1944_MAX_CH]; 607 u8 oc_limit_nsamples[PAC1944_MAX_CH]; 608 u8 uc_limit_nsamples[PAC1944_MAX_CH]; 609 u8 op_limit_nsamples[PAC1944_MAX_CH]; 610 u8 ov_limit_nsamples[PAC1944_MAX_CH]; 611 u8 uv_limit_nsamples[PAC1944_MAX_CH]; 612 u32 alert_enable; 613 bool enable_acc[PAC1944_MAX_CH]; > 614 }; 615 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
