Hi Per-Daniel, kernel test robot noticed the following build warnings: [auto build test WARNING on 0c559323bbaabee7346c12e74b497e283aaafef5] url: https://github.com/intel-lab-lkp/linux/commits/Per-Daniel-Olsson/dt-bindings-iio-light-Document-TI-OPT4060-RGBW-sensor/20241006-005244 base: 0c559323bbaabee7346c12e74b497e283aaafef5 patch link: https://lore.kernel.org/r/20241005165119.3549472-3-perdaniel.olsson%40axis.com patch subject: [PATCH v2 2/2] iio: light: Add support for TI OPT4060 color sensor config: csky-randconfig-r122-20241007 (https://download.01.org/0day-ci/archive/20241007/202410072240.s3wGb17S-lkp@xxxxxxxxx/config) compiler: csky-linux-gcc (GCC) 14.1.0 reproduce: (https://download.01.org/0day-ci/archive/20241007/202410072240.s3wGb17S-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/202410072240.s3wGb17S-lkp@xxxxxxxxx/ sparse warnings: (new ones prefixed by >>) >> drivers/iio/light/opt4060.c:963:9: sparse: sparse: dereference of noderef expression >> drivers/iio/light/opt4060.c:963:9: sparse: sparse: dereference of noderef expression >> drivers/iio/light/opt4060.c:963:9: sparse: sparse: dereference of noderef expression vim +963 drivers/iio/light/opt4060.c 951 952 static irqreturn_t opt4060_trigger_handler(int irq, void *p) 953 { 954 struct iio_poll_func *pf = p; 955 struct iio_dev *idev = pf->indio_dev; 956 struct opt4060_chip *chip = iio_priv(idev); 957 struct opt4060_buffer raw; 958 int ret, chan; 959 int i = 0; 960 961 memset(&raw, 0, sizeof(raw)); 962 > 963 for_each_set_bit(chan, idev->active_scan_mask, idev->masklength) { 964 ret = opt4060_read_raw_value(chip, 965 opt4060_channels[chan].address, 966 &raw.chan[i++]); 967 if (ret) { 968 dev_err(chip->dev, "Reading raw channel data failed\n"); 969 goto err_read; 970 } 971 } 972 973 iio_push_to_buffers_with_timestamp(idev, &raw, pf->timestamp); 974 err_read: 975 iio_trigger_notify_done(idev->trig); 976 return IRQ_HANDLED; 977 } 978 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki