Hi Esteban, kernel test robot noticed the following build errors: [auto build test ERROR on a64dcfb451e254085a7daee5fe51bf22959d52d3] url: https://github.com/intel-lab-lkp/linux/commits/Esteban-Blanc/dt-bindings-iio-adc-add-ADI-ad4030-ad4630-and-ad4632/20250214-202727 base: a64dcfb451e254085a7daee5fe51bf22959d52d3 patch link: https://lore.kernel.org/r/20250214-eblanc-ad4630_v1-v4-3-135dd66cab6a%40baylibre.com patch subject: [PATCH v4 3/6] iio: adc: ad4030: add averaging support config: hexagon-allyesconfig (https://download.01.org/0day-ci/archive/20250216/202502160351.NQfCUpV9-lkp@xxxxxxxxx/config) compiler: clang version 18.1.8 (https://github.com/llvm/llvm-project 3b5b5c1ec4a3095ab096dd780e84d7ab81f3d7ff) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250216/202502160351.NQfCUpV9-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/202502160351.NQfCUpV9-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): >> drivers/iio/adc/ad4030.c:375:13: error: assigning to 'struct iio_scan_type *' from 'const struct iio_scan_type *' discards qualifiers [-Werror,-Wincompatible-pointer-types-discards-qualifiers] 375 | scan_type = iio_get_current_scan_type(indio_dev, | ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 376 | st->chip->channels); | ~~~~~~~~~~~~~~~~~~~ 1 error generated. vim +375 drivers/iio/adc/ad4030.c 365 366 static int ad4030_get_chan_scale(struct iio_dev *indio_dev, 367 struct iio_chan_spec const *chan, 368 int *val, 369 int *val2) 370 { 371 struct ad4030_state *st = iio_priv(indio_dev); 372 struct iio_scan_type *scan_type; 373 374 if (chan->differential) { > 375 scan_type = iio_get_current_scan_type(indio_dev, 376 st->chip->channels); 377 *val = (st->vref_uv * 2) / MILLI; 378 *val2 = scan_type->realbits; 379 return IIO_VAL_FRACTIONAL_LOG2; 380 } 381 382 *val = st->vref_uv / MILLI; 383 *val2 = chan->scan_type.realbits; 384 return IIO_VAL_FRACTIONAL_LOG2; 385 } 386 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki