[kbuild-all] [ti:ti-rt-linux-5.4.y 2653/12234] drivers/crypto/sa2ul.c:473:31: sparse: sparse: cast to restricted __be32

tree: git://git.ti.com/ti-linux-kernel/ti-linux-kernel.git ti-rt-linux-5.4.y head: b956d57638aa031e0b660684c0152dd698ecf150 commit: 5b8516f3bedb3e1c273e7747b6e4a85c6e47907a [2653/12234] crypto: sa2ul: Add crypto driver config: xtensa-randconfig-s032-20201115 (attached as .config) compiler: xtensa-linux-gcc (GCC) 9.3.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.3-107-gaf3512a6-dirty git remote add ti git://git.ti.com/ti-linux-kernel/ti-linux-kernel.git git fetch --no-tags ti ti-rt-linux-5.4.y git checkout 5b8516f3bedb3e1c273e7747b6e4a85c6e47907a # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=xtensa If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; "sparse warnings: (new ones prefixed by >>)" drivers/crypto/sa2ul.c:503:41: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] @@ got restricted __be32 [usertype] @@ drivers/crypto/sa2ul.c:503:41: sparse: expected unsigned int [usertype] drivers/crypto/sa2ul.c:503:41: sparse: got restricted __be32 [usertype] drivers/crypto/sa2ul.c:364:22: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] @@ got restricted __be32 [usertype] @@ drivers/crypto/sa2ul.c:364:22: sparse: expected unsigned int [usertype] drivers/crypto/sa2ul.c:364:22: sparse: got restricted __be32 [usertype] drivers/crypto/sa2ul.c: note: in included file (through arch/xtensa/include/asm/io.h, include/linux/scatterlist.h, include/linux/dmapool.h): include/asm-generic/io.h:267:16: sparse: sparse: cast to restricted __le32 include/asm-generic/io.h:267:16: sparse: sparse: cast to restricted __le32 include/asm-generic/io.h:267:16: sparse: sparse: cast to restricted __le32 include/asm-generic/io.h:267:16: sparse: sparse: cast to restricted __le32 include/asm-generic/io.h:267:16: sparse: sparse: cast to restricted __le32 include/asm-generic/io.h:267:16: sparse: sparse: cast to restricted __le32 include/asm-generic/io.h:299:22: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned int [usertype] value @@ got restricted __le32 [usertype] @@ include/asm-generic/io.h:299:22: sparse: expected unsigned int [usertype] value include/asm-generic/io.h:299:22: sparse: got restricted __le32 [usertype] include/asm-generic/io.h:299:22: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned int [usertype] value @@ got restricted __le32 [usertype] @@ include/asm-generic/io.h:299:22: sparse: expected unsigned int [usertype] value include/asm-generic/io.h:299:22: sparse: got restricted __le32 [usertype] vim +473 drivers/crypto/sa2ul.c 369 370 /* Format general command label */ 371 static int sa_format_cmdl_gen(struct sa_cmdl_cfg *cfg, u8 *cmdl, 372 struct sa_cmdl_upd_info *upd_info) 373 { 374 u8 enc_offset = 0, auth_offset = 0, total = 0; 375 u8 enc_next_eng = SA_ENG_ID_OUTPORT2; 376 u8 auth_next_eng = SA_ENG_ID_OUTPORT2; 377 u32 *word_ptr = (u32 *)cmdl; 378 int i; 379 380 /* Clear the command label */ 381 memzero_explicit(cmdl, (SA_MAX_CMDL_WORDS * sizeof(u32))); 382 383 /* Iniialize the command update structure */ 384 memzero_explicit(upd_info, sizeof(*upd_info)); 385 386 if (cfg->enc1st) { 387 if (cfg->enc_eng_id != SA_ENG_ID_NONE) 388 auth_offset = SA_CMDL_HEADER_SIZE_BYTES; 389 390 if (cfg->iv_size) 391 auth_offset += cfg->iv_size; 392 393 if (cfg->auth_eng_id != SA_ENG_ID_NONE) 394 enc_next_eng = cfg->auth_eng_id; 395 else 396 enc_next_eng = SA_ENG_ID_OUTPORT2; 397 } else { 398 if (cfg->auth_eng_id != SA_ENG_ID_NONE) 399 enc_offset = SA_CMDL_HEADER_SIZE_BYTES; 400 401 if (cfg->auth_subkey_len) 402 enc_offset += cfg->auth_subkey_len; 403 404 if (cfg->enc_eng_id != SA_ENG_ID_NONE) 405 auth_next_eng = cfg->enc_eng_id; 406 else 407 auth_next_eng = SA_ENG_ID_OUTPORT2; 408 } 409 410 if (cfg->enc_eng_id != SA_ENG_ID_NONE) { 411 upd_info->flags |= SA_CMDL_UPD_ENC; 412 upd_info->enc_size.index = enc_offset >> 2; 413 upd_info->enc_offset.index = upd_info->enc_size.index + 1; 414 /* Encryption command label */ 415 cmdl[enc_offset + SA_CMDL_OFFSET_NESC] = enc_next_eng; 416 417 /* Encryption modes requiring IV */ 418 if (cfg->iv_size) { 419 upd_info->flags |= SA_CMDL_UPD_ENC_IV; 420 upd_info->enc_iv.index = 421 (enc_offset + SA_CMDL_HEADER_SIZE_BYTES) >> 2; 422 upd_info->enc_iv.size = cfg->iv_size; 423 424 cmdl[enc_offset + SA_CMDL_OFFSET_LABEL_LEN] = 425 SA_CMDL_HEADER_SIZE_BYTES + cfg->iv_size; 426 427 cmdl[enc_offset + SA_CMDL_OFFSET_OPTION_CTRL1] = 428 (SA_CTX_ENC_AUX2_OFFSET | (cfg->iv_size >> 3)); 429 enc_offset += SA_CMDL_HEADER_SIZE_BYTES + cfg->iv_size; 430 } else { 431 cmdl[enc_offset + SA_CMDL_OFFSET_LABEL_LEN] = 432 SA_CMDL_HEADER_SIZE_BYTES; 433 enc_offset += SA_CMDL_HEADER_SIZE_BYTES; 434 } 435 } 436 437 if (cfg->auth_eng_id != SA_ENG_ID_NONE) { 438 upd_info->flags |= SA_CMDL_UPD_AUTH; 439 upd_info->auth_size.index = auth_offset >> 2; 440 upd_info->auth_offset.index = upd_info->auth_size.index + 1; 441 cmdl[auth_offset + SA_CMDL_OFFSET_NESC] = auth_next_eng; 442 443 /* Algorithm with subkeys */ 444 if (cfg->aalg == SA_AALG_ID_AES_XCBC || 445 cfg->aalg == SA_AALG_ID_CMAC) { 446 upd_info->flags |= SA_CMDL_UPD_AUX_KEY; 447 upd_info->aux_key_info.index = 448 (auth_offset + SA_CMDL_HEADER_SIZE_BYTES) >> 2; 449 cmdl[auth_offset + SA_CMDL_OFFSET_LABEL_LEN] = 450 SA_CMDL_HEADER_SIZE_BYTES + 451 cfg->auth_subkey_len; 452 cmdl[auth_offset + SA_CMDL_OFFSET_OPTION_CTRL1] = 453 (SA_CTX_ENC_AUX1_OFFSET | 454 (cfg->auth_subkey_len >> 3)); 455 456 auth_offset += SA_CMDL_HEADER_SIZE_BYTES + 457 cfg->auth_subkey_len; 458 } else { 459 cmdl[auth_offset + SA_CMDL_OFFSET_LABEL_LEN] = 460 SA_CMDL_HEADER_SIZE_BYTES; 461 auth_offset += SA_CMDL_HEADER_SIZE_BYTES; 462 } 463 } 464 465 if (cfg->enc1st) 466 total = auth_offset; 467 else 468 total = enc_offset; 469 470 total = roundup(total, 8); 471 472 for (i = 0; i < total / 4; i++) 474 475 return total; 476 } 477 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org