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-rc1 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 <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>, old ones prefixed by <<): >> drivers/crypto/allwinner/sun8i-ss/sun8i-ss-hash.c:175:5: warning: no previous prototype for function 'sun8i_ss_hash_digest_fb' [-Wmissing-prototypes] int sun8i_ss_hash_digest_fb(struct ahash_request *areq) ^ drivers/crypto/allwinner/sun8i-ss/sun8i-ss-hash.c:175:1: note: declare 'static' if the function is not intended to be used outside of this translation unit int sun8i_ss_hash_digest_fb(struct ahash_request *areq) ^ static 1 warning generated. vim +/sun8i_ss_hash_digest_fb +175 drivers/crypto/allwinner/sun8i-ss/sun8i-ss-hash.c 174 > 175 int sun8i_ss_hash_digest_fb(struct ahash_request *areq) 176 { 177 struct sun8i_ss_hash_reqctx *rctx = ahash_request_ctx(areq); 178 struct crypto_ahash *tfm = crypto_ahash_reqtfm(areq); 179 struct sun8i_ss_hash_tfm_ctx *tfmctx = crypto_ahash_ctx(tfm); 180 #ifdef CONFIG_CRYPTO_DEV_SUN8I_SS_DEBUG 181 struct ahash_alg *alg = __crypto_ahash_alg(tfm->base.__crt_alg); 182 struct sun8i_ss_alg_template *algt; 183 #endif 184 185 ahash_request_set_tfm(&rctx->fallback_req, tfmctx->fallback_tfm); 186 rctx->fallback_req.base.flags = areq->base.flags & 187 CRYPTO_TFM_REQ_MAY_SLEEP; 188 189 rctx->fallback_req.nbytes = areq->nbytes; 190 rctx->fallback_req.src = areq->src; 191 rctx->fallback_req.result = areq->result; 192 #ifdef CONFIG_CRYPTO_DEV_SUN8I_SS_DEBUG 193 algt = container_of(alg, struct sun8i_ss_alg_template, alg.hash); 194 algt->stat_fb++; 195 #endif 196 197 return crypto_ahash_digest(&rctx->fallback_req); 198 } 199 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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