Hi Geetha, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on net-next/master] url: https://github.com/0day-ci/linux/commits/Geetha-sowjanya/Add-Marvell-CN10... base: https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git e4b62cf7559f2ef9a022de235e5a09a8d7ded520 config: arm64-randconfig-r012-20210209 (attached as .config) compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project c9439ca36342fb6013187d0a69aef92736951476) 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 # install arm64 cross compiling tool for clang build # apt-get install binutils-aarch64-linux-gnu # https://github.com/0day-ci/linux/commit/afa77ec1a9bc63606c505997158f4d394... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Geetha-sowjanya/Add-Marvell-CN10K-support/20210212-001410 git checkout afa77ec1a9bc63606c505997158f4d3940439f01 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm64 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 >>): mac_ops = get_mac_ops(rvu_cgx_pdata(cgx_id, rvu)); ^~~~~~ drivers/net/ethernet/marvell/octeontx2/af/rvu_cgx.c:726:11: note: initialize the variable 'cgx_id' to silence this warning u8 cgx_id, lmac_id; ^ = '\0' lmac_id, en); ^~~~~~~ drivers/net/ethernet/marvell/octeontx2/af/rvu_cgx.c:726:20: note: initialize the variable 'lmac_id' to silence this warning u8 cgx_id, lmac_id; ^ = '\0' 2 warnings generated. vim +/cgx_id +731 drivers/net/ethernet/marvell/octeontx2/af/rvu_cgx.c 722 723 static int rvu_cgx_config_intlbk(struct rvu *rvu, u16 pcifunc, bool en) 724 { 725 struct mac_ops *mac_ops; 726 u8 cgx_id, lmac_id; 727 728 if (!is_cgx_config_permitted(rvu, pcifunc)) 729 return -EPERM; 730 732 733 return mac_ops->mac_lmac_intl_lbk(rvu_cgx_pdata(cgx_id, rvu), 735 } 736 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org