Hi Thara, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on cryptodev/master] [also build test WARNING on next-20210416] [cannot apply to crypto/master sparc-next/master v5.12-rc7] [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/Thara-Gopinath/Add-support-for-A... base: https://git.kernel.org/pub/scm/linux/kernel/git/herbert/cryptodev-2.6.git master config: riscv-randconfig-r014-20210417 (attached as .config) compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project f549176ad976caa3e19edd036df9a7e12770af7c) 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 riscv cross compiling tool for clang build # apt-get install binutils-riscv64-linux-gnu # https://github.com/0day-ci/linux/commit/a623bcea70ec36a4169fc0c3e7c6e9541... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Thara-Gopinath/Add-support-for-AEAD-algorithms-in-Qualcomm-Crypto-Engine-driver/20210417-212646 git checkout a623bcea70ec36a4169fc0c3e7c6e95412f81218 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=riscv 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 >>): static const u32 std_iv_sha1[SHA256_DIGEST_SIZE / sizeof(u32)] = { ^ static const u32 std_iv_sha256[SHA256_DIGEST_SIZE / sizeof(u32)] = { ^ drivers/crypto/qce/common.c:49:1: warning: unused function 'qce_clear_array' [-Wunused-function] qce_clear_array(struct qce_device *qce, u32 offset, unsigned int len) ^ drivers/crypto/qce/common.c:89:21: warning: unused function 'qce_be32_to_cpu_array' [-Wunused-function] static unsigned int qce_be32_to_cpu_array(u32 *dst, const u8 *src, unsigned int len) ^ 4 warnings generated. vim +/std_iv_sha1 +20 drivers/crypto/qce/common.c 19 21 SHA1_H0, SHA1_H1, SHA1_H2, SHA1_H3, SHA1_H4, 0, 0, 0 22 }; 23 25 SHA256_H0, SHA256_H1, SHA256_H2, SHA256_H3, 26 SHA256_H4, SHA256_H5, SHA256_H6, SHA256_H7 27 }; 28 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org