Hi Jishnu, kernel test robot noticed the following build warnings: [auto build test WARNING on 6fb2fa9805c501d9ade047fc511961f3273cdcb5] url: https://github.com/intel-lab-lkp/linux/commits/Jishnu-Prakash/dt-bindings-iio-adc-Move-QCOM-ADC-bindings-to-iio-adc-folder/20241031-030237 base: 6fb2fa9805c501d9ade047fc511961f3273cdcb5 patch link: https://lore.kernel.org/r/20241030185854.4015348-4-quic_jprakash%40quicinc.com patch subject: [PATCH V4 3/4] iio: adc: Add support for QCOM PMIC5 Gen3 ADC config: i386-allyesconfig (https://download.01.org/0day-ci/archive/20241102/202411021830.6iNtNN1E-lkp@xxxxxxxxx/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241102/202411021830.6iNtNN1E-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/202411021830.6iNtNN1E-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> drivers/iio/adc/qcom-spmi-adc5-gen3.c:31: warning: Cannot understand * @adc_tm: indicates TM type if the channel is used for TM measurements. on line 31 - I thought it was a doc line >> drivers/iio/adc/qcom-spmi-adc5-gen3.c:70: warning: Function parameter or struct member 'dev_data' not described in 'adc5_chip' >> drivers/iio/adc/qcom-spmi-adc5-gen3.c:70: warning: Function parameter or struct member 'tm_aux' not described in 'adc5_chip' vim +31 drivers/iio/adc/qcom-spmi-adc5-gen3.c 29 30 /** > 31 * @adc_tm: indicates TM type if the channel is used for TM measurements. 32 * @chip: pointer to top-level ADC device structure. 33 */ 34 35 struct adc5_channel_prop { 36 struct adc5_channel_common_prop common_props; 37 int adc_tm; 38 struct adc5_chip *chip; 39 }; 40 41 /** 42 * struct adc5_chip - ADC private structure. 43 * @dev: SPMI ADC5 Gen3 device. 44 * @num_sdams: number of SDAMs (Shared Direct Access Memory Module) being used. 45 * @nchannels: number of ADC channels. 46 * @chan_props: array of ADC channel properties. 47 * @iio_chans: array of IIO channels specification. 48 * @complete: ADC result notification after interrupt is received. 49 * @lock: ADC lock for access to the peripheral, to prevent concurrent 50 * requests from multiple clients. 51 * @n_tm_channels: number of ADC channels used for TM measurements. 52 * @data: software configuration data. 53 */ 54 struct adc5_chip { 55 struct device *dev; 56 struct adc5_device_data dev_data; 57 unsigned int num_sdams; 58 unsigned int nchannels; 59 struct adc5_channel_prop *chan_props; 60 struct iio_chan_spec *iio_chans; 61 struct completion complete; 62 /* 63 * lock for access to the peripheral, to prevent concurrent 64 * requests from multiple clients. 65 */ 66 struct mutex lock; 67 const struct adc5_data *data; 68 unsigned int n_tm_channels; 69 struct auxiliary_device *tm_aux; > 70 }; 71 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki