Hi thermal-bot, Thank you for the patch! Yet something to improve: [auto build test ERROR on thermal/next] url: https://github.com/0day-ci/linux/commits/thermal-bot-for-Dmitry-Baryshkov... base: https://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux.git next config: xtensa-allyesconfig (attached as .config) compiler: xtensa-linux-gcc (GCC) 9.3.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/0day-ci/linux/commit/2ba8f2d19b304bc7ba06b875527258b02... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review thermal-bot-for-Dmitry-Baryshkov/iio-adc-qcom-vadc-common-use-fixp_linear_interpolate/20210219-045140 git checkout 2ba8f2d19b304bc7ba06b875527258b02bed2053 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=xtensa If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): drivers/iio/adc/qcom-vadc-common.c: In function 'qcom_vadc_map_voltage_temp': 158 | *output = fixp_linear_interpolate(pts[i - 1].x, pts[i - 1].y, | ^~~~~~~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +/fixp_linear_interpolate +158 drivers/iio/adc/qcom-vadc-common.c 121 122 static int qcom_vadc_map_voltage_temp(const struct vadc_map_pt *pts, 123 u32 tablesize, s32 input, int *output) 124 { 125 bool descending = 1; 126 u32 i = 0; 127 128 if (!pts) 129 return -EINVAL; 130 131 /* Check if table is descending or ascending */ 132 if (tablesize > 1) { 133 if (pts[0].x < pts[1].x) 134 descending = 0; 135 } 136 137 while (i < tablesize) { 138 if ((descending) && (pts[i].x < input)) { 139 /* table entry is less than measured*/ 140 /* value and table is descending, stop */ 141 break; 142 } else if ((!descending) && 143 (pts[i].x > input)) { 144 /* table entry is greater than measured*/ 145 /*value and table is ascending, stop */ 146 break; 147 } 148 i++; 149 } 150 151 if (i == 0) { 152 *output = pts[0].y; 153 } else if (i == tablesize) { 154 *output = pts[tablesize - 1].y; 155 } else { 156 /* result is between search_index and search_index-1 */ 157 /* interpolate linearly */ 159 pts[i].x, pts[i].y, 160 input); 161 } 162 163 return 0; 164 } 165 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org