Hi Akhil, kernel test robot noticed the following build warnings: [auto build test WARNING on herbert-cryptodev-2.6/master] [also build test WARNING on drm/drm-next arm64/for-next/core robh/for-next linus/master v6.7-rc5 next-20231214] [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#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Akhil-R/dt-bindings-crypto-Add-Tegra-SE-DT-binding-doc/20231213-202407 base: https://git.kernel.org/pub/scm/linux/kernel/git/herbert/cryptodev-2.6.git master patch link: https://lore.kernel.org/r/20231213122030.11734-4-akhilrajeev%40nvidia.com patch subject: [PATCH 3/5] crypto: tegra: Add Tegra Security Engine driver config: parisc-allmodconfig (https://download.01.org/0day-ci/archive/20231215/202312150118.ydw2nowl-lkp@xxxxxxxxx/config) compiler: hppa-linux-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231215/202312150118.ydw2nowl-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202312150118.ydw2nowl-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): In file included from drivers/crypto/tegra/tegra-se-hash.c:22: drivers/crypto/tegra/tegra-se-hash.c: In function 'tegra_sha_get_config': drivers/crypto/tegra/tegra-se.h:55:57: error: implicit declaration of function 'FIELD_PREP' [-Werror=implicit-function-declaration] 55 | #define SE_SHA_CFG_ENC_ALG(x) FIELD_PREP(GENMASK(15, 12), x) | ^~~~~~~~~~ drivers/crypto/tegra/tegra-se.h:59:57: note: in expansion of macro 'SE_SHA_CFG_ENC_ALG' 59 | #define SE_SHA_ENC_ALG_SHA SE_SHA_CFG_ENC_ALG(3) | ^~~~~~~~~~~~~~~~~~ drivers/crypto/tegra/tegra-se-hash.c:53:24: note: in expansion of macro 'SE_SHA_ENC_ALG_SHA' 53 | cfg |= SE_SHA_ENC_ALG_SHA; | ^~~~~~~~~~~~~~~~~~ drivers/crypto/tegra/tegra-se-hash.c: In function 'tegra_sha_init': >> drivers/crypto/tegra/tegra-se-hash.c:457:21: warning: variable 'algname' set but not used [-Wunused-but-set-variable] 457 | const char *algname; | ^~~~~~~ cc1: some warnings being treated as errors vim +/algname +457 drivers/crypto/tegra/tegra-se-hash.c 450 451 static int tegra_sha_init(struct ahash_request *req) 452 { 453 struct tegra_sha_reqctx *rctx = ahash_request_ctx(req); 454 struct crypto_ahash *tfm = crypto_ahash_reqtfm(req); 455 struct tegra_sha_ctx *ctx = crypto_ahash_ctx(tfm); 456 struct tegra_se *se = ctx->se; > 457 const char *algname; 458 459 if (ctx->fallback) 460 return tegra_sha_fallback_init(req); 461 462 algname = crypto_tfm_alg_name(&tfm->base); 463 464 rctx->total_len = 0; 465 rctx->datbuf.size = 0; 466 rctx->residue.size = 0; 467 rctx->key_id = ctx->key_id; 468 rctx->task = SHA_FIRST; 469 rctx->alg = ctx->alg; 470 rctx->blk_size = crypto_ahash_blocksize(tfm); 471 rctx->digest.size = crypto_ahash_digestsize(tfm); 472 473 rctx->digest.buf = dma_alloc_coherent(se->dev, rctx->digest.size, 474 &rctx->digest.addr, GFP_KERNEL); 475 if (!rctx->digest.buf) 476 goto digbuf_fail; 477 478 rctx->residue.buf = dma_alloc_coherent(se->dev, rctx->blk_size, 479 &rctx->residue.addr, GFP_KERNEL); 480 if (!rctx->residue.buf) 481 goto resbuf_fail; 482 483 rctx->datbuf.buf = dma_alloc_coherent(se->dev, SE_SHA_BUFLEN, 484 &rctx->datbuf.addr, GFP_KERNEL); 485 if (!rctx->datbuf.buf) 486 goto datbuf_fail; 487 488 return 0; 489 490 datbuf_fail: 491 dma_free_coherent(se->dev, rctx->blk_size, rctx->residue.buf, 492 rctx->residue.addr); 493 resbuf_fail: 494 dma_free_coherent(se->dev, SE_SHA_BUFLEN, rctx->datbuf.buf, 495 rctx->datbuf.addr); 496 digbuf_fail: 497 return -ENOMEM; 498 } 499 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki