Hi Corentin, I love your patch! Perhaps something to improve:
[auto build test WARNING on sunxi/sunxi/for-next] [also build test WARNING on cryptodev/master crypto/master v5.8-rc2] [cannot apply to next-20200621] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Corentin-Labbe/crypto-allwinner-add-xRNG-and-hashes/20200622-033401 base: https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux.git sunxi/for-next config: x86_64-allyesconfig (attached as .config) compiler: clang version 11.0.0 (https://github.com/llvm/llvm-project ef455a55bcf2cfea04a99c361b182ad18b7f03f1) 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 x86_64 cross compiling tool for clang build # apt-get install binutils-x86-64-linux-gnu # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <l...@intel.com> All warnings (new ones prefixed by >>, old ones prefixed by <<): >> drivers/crypto/allwinner/sun8i-ce/sun8i-ce-core.c:818:26: warning: result of >> comparison of constant 255 with expression of type 'const char' is always >> false [-Wtautological-constant-out-of-range-compare] if (ce->variant->prng == CE_ID_NOTSUPP) { ~~~~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~ 1 warning generated. vim +818 drivers/crypto/allwinner/sun8i-ce/sun8i-ce-core.c 761 762 static int sun8i_ce_register_algs(struct sun8i_ce_dev *ce) 763 { 764 int ce_method, err, id, i; 765 766 for (i = 0; i < ARRAY_SIZE(ce_algs); i++) { 767 ce_algs[i].ce = ce; 768 switch (ce_algs[i].type) { 769 case CRYPTO_ALG_TYPE_SKCIPHER: 770 id = ce_algs[i].ce_algo_id; 771 ce_method = ce->variant->alg_cipher[id]; 772 if (ce_method == CE_ID_NOTSUPP) { 773 dev_dbg(ce->dev, 774 "DEBUG: Algo of %s not supported\n", 775 ce_algs[i].alg.skcipher.base.cra_name); 776 ce_algs[i].ce = NULL; 777 break; 778 } 779 id = ce_algs[i].ce_blockmode; 780 ce_method = ce->variant->op_mode[id]; 781 if (ce_method == CE_ID_NOTSUPP) { 782 dev_dbg(ce->dev, "DEBUG: Blockmode of %s not supported\n", 783 ce_algs[i].alg.skcipher.base.cra_name); 784 ce_algs[i].ce = NULL; 785 break; 786 } 787 dev_info(ce->dev, "Register %s\n", 788 ce_algs[i].alg.skcipher.base.cra_name); 789 err = crypto_register_skcipher(&ce_algs[i].alg.skcipher); 790 if (err) { 791 dev_err(ce->dev, "ERROR: Fail to register %s\n", 792 ce_algs[i].alg.skcipher.base.cra_name); 793 ce_algs[i].ce = NULL; 794 return err; 795 } 796 break; 797 case CRYPTO_ALG_TYPE_AHASH: 798 id = ce_algs[i].ce_algo_id; 799 ce_method = ce->variant->alg_hash[id]; 800 if (ce_method == CE_ID_NOTSUPP) { 801 dev_info(ce->dev, 802 "DEBUG: Algo of %s not supported\n", 803 ce_algs[i].alg.hash.halg.base.cra_name); 804 ce_algs[i].ce = NULL; 805 break; 806 } 807 dev_info(ce->dev, "Register %s\n", 808 ce_algs[i].alg.hash.halg.base.cra_name); 809 err = crypto_register_ahash(&ce_algs[i].alg.hash); 810 if (err) { 811 dev_err(ce->dev, "ERROR: Fail to register %s\n", 812 ce_algs[i].alg.hash.halg.base.cra_name); 813 ce_algs[i].ce = NULL; 814 return err; 815 } 816 break; 817 case CRYPTO_ALG_TYPE_RNG: > 818 if (ce->variant->prng == CE_ID_NOTSUPP) { 819 dev_info(ce->dev, 820 "DEBUG: Algo of %s not supported\n", 821 ce_algs[i].alg.rng.base.cra_name); 822 ce_algs[i].ce = NULL; 823 break; 824 } 825 dev_info(ce->dev, "Register %s\n", 826 ce_algs[i].alg.rng.base.cra_name); 827 err = crypto_register_rng(&ce_algs[i].alg.rng); 828 if (err) { 829 dev_err(ce->dev, "Fail to register %s\n", 830 ce_algs[i].alg.rng.base.cra_name); 831 ce_algs[i].ce = NULL; 832 } 833 break; 834 default: 835 ce_algs[i].ce = NULL; 836 dev_err(ce->dev, "ERROR: tried to register an unknown algo\n"); 837 } 838 } 839 return 0; 840 } 841 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org
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