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-Tegra194-Tegra234-Tegra-Grace/20211217-200840 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/20211218/202112180528.6oINgaDF-lkp@xxxxxxxxx/config) 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/4289c950622627160bdc937ad22a311db38f4ca8 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 4289c950622627160bdc937ad22a311db38f4ca8 # 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@xxxxxxxxx> All warnings (new ones prefixed by >>): drivers/soc/tegra/cbb/tegra-cbb.c: In function 'print_cbb_err': >> drivers/soc/tegra/cbb/tegra-cbb.c:31:17: warning: function 'print_cbb_err' might be a candidate for 'gnu_printf' format attribute [-Wsuggest-attribute=format] 31 | seq_vprintf(file, fmt, args); | ^~~~~~~~~~~ vim +31 drivers/soc/tegra/cbb/tegra-cbb.c 22 23 void print_cbb_err(struct seq_file *file, const char *fmt, ...) 24 { 25 va_list args; 26 struct va_format vaf; 27 28 va_start(args, fmt); 29 30 if (file) { > 31 seq_vprintf(file, fmt, args); 32 } else { 33 vaf.fmt = fmt; 34 vaf.va = &args; 35 pr_crit("%pV", &vaf); 36 } 37 38 va_end(args); 39 } 40 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx