Hi Sumit, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on robh/for-next] [also build test WARNING on tegra-drm/drm/tegra/for-next v5.16-rc5 next-20211217] [cannot apply to tegra/for-next] [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/Sumit-Gupta/CBB-driver-for-Tegra... base: https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next config: arm64-allyesconfig (https://download.01.org/0day-ci/archive/20211218/202112180744.BM6U6RpD-lk...) compiler: aarch64-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/79bd78736f10c5f36ba4a18c6d313d62c... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Sumit-Gupta/CBB-driver-for-Tegra194-Tegra234-Tegra-Grace/20211217-200840 git checkout 79bd78736f10c5f36ba4a18c6d313d62cae7b010 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=arm64 SHELL=/bin/bash drivers/soc/tegra/cbb/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): drivers/soc/tegra/cbb/tegra234-cbb.c: In function 'print_errlog_err': 260 | u8 beat_size = 0, access_type = 0, access_id = 0; | ^~~~~~~~~ vim +/access_id +260 drivers/soc/tegra/cbb/tegra234-cbb.c 255 256 static void print_errlog_err(struct seq_file *file, struct tegra_cbb_errmon_record *errmon) 257 { 258 u8 cache_type = 0, prot_type = 0, burst_length = 0; 259 u8 mstr_id = 0, grpsec = 0, vqc = 0, falconsec = 0; 261 u8 slave_id = 0, fab_id = 0, burst_type = 0; 262 char fabric_name[20]; 263 264 mstr_id = FIELD_GET(FAB_EM_EL_MSTRID, errmon->mn_user_bits); 265 vqc = FIELD_GET(FAB_EM_EL_VQC, errmon->mn_user_bits); 266 grpsec = FIELD_GET(FAB_EM_EL_GRPSEC, errmon->mn_user_bits); 267 falconsec = FIELD_GET(FAB_EM_EL_FALCONSEC, errmon->mn_user_bits); 268 269 fab_id = FIELD_GET(FAB_EM_EL_FABID, errmon->mn_attr2); 270 slave_id = FIELD_GET(FAB_EM_EL_SLAVEID, errmon->mn_attr2); 271 272 access_id = FIELD_GET(FAB_EM_EL_ACCESSID, errmon->mn_attr1); 273 274 cache_type = FIELD_GET(FAB_EM_EL_AXCACHE, errmon->mn_attr0); 275 prot_type = FIELD_GET(FAB_EM_EL_AXPROT, errmon->mn_attr0); 276 burst_length = FIELD_GET(FAB_EM_EL_BURSTLENGTH, errmon->mn_attr0); 277 burst_type = FIELD_GET(FAB_EM_EL_BURSTTYPE, errmon->mn_attr0); 278 beat_size = FIELD_GET(FAB_EM_EL_BEATSIZE, errmon->mn_attr0); 279 access_type = FIELD_GET(FAB_EM_EL_ACCESSTYPE, errmon->mn_attr0); 280 281 print_cbb_err(file, "\t First logged Err Code : %s\n", 282 t234_errmon_errors[errmon->err_type].errcode); 283 284 print_cbb_err(file, "\t MASTER_ID\t\t: %s\n", errmon->tegra_cbb_master_id[mstr_id]); 285 print_cbb_err(file, "\t Address\t\t: 0x%llx\n", (u64)errmon->addr_access); 286 287 print_cache(file, cache_type); 288 print_prot(file, prot_type); 289 290 print_cbb_err(file, "\t Access_Type\t\t: %s", (access_type) ? "Write\n" : "Read\n"); 291 292 if (fab_id == PSC_FAB_ID) 293 strcpy(fabric_name, "psc-fabric"); 294 else if (fab_id == FSI_FAB_ID) 295 strcpy(fabric_name, "fsi-fabric"); 296 else 297 strcpy(fabric_name, errmon->name); 298 299 print_cbb_err(file, "\t Fabric\t\t: %s\n", fabric_name); 300 print_cbb_err(file, "\t Slave_Id\t\t: 0x%x\n", slave_id); 301 print_cbb_err(file, "\t Burst_length\t\t: 0x%x\n", burst_length); 302 print_cbb_err(file, "\t Burst_type\t\t: 0x%x\n", burst_type); 303 print_cbb_err(file, "\t Beat_size\t\t: 0x%x\n", beat_size); 304 print_cbb_err(file, "\t VQC\t\t\t: 0x%x\n", vqc); 305 print_cbb_err(file, "\t GRPSEC\t\t: 0x%x\n", grpsec); 306 print_cbb_err(file, "\t FALCONSEC\t\t: 0x%x\n", falconsec); 307 308 if ((fab_id == PSC_FAB_ID) || (fab_id == FSI_FAB_ID)) 309 return; 310 311 if (!strcmp(errmon->noc_errors[errmon->err_type].errcode, "TIMEOUT_ERR")) { 312 tegra234_lookup_slave_timeout(file, errmon, slave_id, fab_id); 313 return; 314 } 315 print_cbb_err(file, "\t Slave\t\t\t: %s\n", errmon->sn_addr_map[slave_id].slave_name); 316 } 317 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org