Hi Mariel, kernel test robot noticed the following build errors: [auto build test ERROR on c4b43d8336e52dce6d124e428aa3b71703e62647] url: https://github.com/intel-lab-lkp/linux/commits/Mariel-Tinaco/dt-bindings-iio-dac-add-docs-for-ad8460/20240904-103413 base: c4b43d8336e52dce6d124e428aa3b71703e62647 patch link: https://lore.kernel.org/r/20240904023040.23352-3-Mariel.Tinaco%40analog.com patch subject: [PATCH v3 2/2] iio: dac: support the ad8460 Waveform DAC config: x86_64-allyesconfig (https://download.01.org/0day-ci/archive/20240905/202409050100.CGStaazP-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/20240905/202409050100.CGStaazP-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/202409050100.CGStaazP-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): >> drivers/iio/dac/ad8460.c:165:9: error: call to undeclared function 'get_unaligned_le16'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 165 | *val = get_unaligned_le16(state->spi_tx_buf); | ^ >> drivers/iio/dac/ad8460.c:172:2: error: call to undeclared function 'put_unaligned_le16'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 172 | put_unaligned_le16(FIELD_PREP(AD8460_DATA_BYTE_FULL_MSK, val), | ^ 2 errors generated. vim +/get_unaligned_le16 +165 drivers/iio/dac/ad8460.c 155 156 static int ad8460_get_hvdac_word(struct ad8460_state *state, int index, int *val) 157 { 158 int ret; 159 160 ret = regmap_bulk_read(state->regmap, AD8460_HVDAC_DATA_WORD_LOW(index), 161 &state->spi_tx_buf, AD8460_DATA_BYTE_WORD_LENGTH); 162 if (ret) 163 return ret; 164 > 165 *val = get_unaligned_le16(state->spi_tx_buf); 166 167 return ret; 168 } 169 170 static int ad8460_set_hvdac_word(struct ad8460_state *state, int index, int val) 171 { > 172 put_unaligned_le16(FIELD_PREP(AD8460_DATA_BYTE_FULL_MSK, val), 173 &state->spi_tx_buf); 174 175 return regmap_bulk_write(state->regmap, AD8460_HVDAC_DATA_WORD_LOW(index), 176 state->spi_tx_buf, AD8460_DATA_BYTE_WORD_LENGTH); 177 } 178 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
