Hi Keerthy, I love your patch! Perhaps something to improve: [auto build test WARNING on robh/for-next] [also build test WARNING on rafael-pm/thermal v5.15-rc7 next-20211025] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Keerthy/thermal-k3_j72xx_bandgap-Add-the-bandgap-driver-support/20211026-021100 base: https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next config: h8300-buildonly-randconfig-r002-20211026 (attached as .config) compiler: h8300-linux-gcc (GCC) 11.2.0 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/a60ffd2edff44c1ee199aa7ad3b847815aad93e7 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Keerthy/thermal-k3_j72xx_bandgap-Add-the-bandgap-driver-support/20211026-021100 git checkout a60ffd2edff44c1ee199aa7ad3b847815aad93e7 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=h8300 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All warnings (new ones prefixed by >>): >> drivers/thermal/k3_j72xx_bandgap.c:97:6: warning: no previous prototype for 'init_table' [-Wmissing-prototypes] 97 | void init_table(bool wa, int *mytable) | ^~~~~~~~~~ drivers/thermal/k3_j72xx_bandgap.c: In function 'prep_lookup_table': drivers/thermal/k3_j72xx_bandgap.c:148:13: warning: variable 'start_temp' set but not used [-Wunused-but-set-variable] 148 | int start_temp, inc, i; | ^~~~~~~~~~ drivers/thermal/k3_j72xx_bandgap.c: At top level: drivers/thermal/k3_j72xx_bandgap.c:227:5: warning: no previous prototype for 'two_cmp' [-Wmissing-prototypes] 227 | int two_cmp(int tmp, int mask) | ^~~~~~~ vim +/init_table +97 drivers/thermal/k3_j72xx_bandgap.c 96 > 97 void init_table(bool wa, int *mytable) 98 { 99 s64 *factors; 100 const int size = 1024; 101 int factors_size; 102 int i; 103 104 if (wa) { 105 factors_size = 3; 106 factors = pvt_wa_factors; 107 } else { 108 factors_size = 5; 109 factors = golden_factors; 110 } 111 112 for (i = 0; i < size; i++) 113 mytable[i] = compute_value(i, factors, factors_size, 13); 114 } 115 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org