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Message-ID: <7f2b38c2-f9bc-4030-8cb7-6042760d4992@stanley.mountain>
Date: Thu, 3 Oct 2024 14:27:42 +0300
From: Dan Carpenter <dan.carpenter@...aro.org>
To: oe-kbuild@...ts.linux.dev, Rosen Penev <rosenp@...il.com>,
linux-crypto@...r.kernel.org
Cc: lkp@...el.com, oe-kbuild-all@...ts.linux.dev,
Boris Brezillon <bbrezillon@...nel.org>,
Arnaud Ebalard <arno@...isbad.org>,
Srujana Challa <schalla@...vell.com>,
Herbert Xu <herbert@...dor.apana.org.au>,
Rosen Penev <rosenp@...il.com>,
Uwe Kleine-König <u.kleine-koenig@...gutronix.de>,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/5] crypto: cesa: use enabled variants for clk_get
Hi Rosen,
kernel test robot noticed the following build warnings:
https://git-scm.com/docs/git-format-patch#_base_tree_information]
url: https://github.com/intel-lab-lkp/linux/commits/Rosen-Penev/crypto-cesa-add-COMPILE_TEST/20241002-072835
base: https://git.kernel.org/pub/scm/linux/kernel/git/herbert/cryptodev-2.6.git master
patch link: https://lore.kernel.org/r/20241001232547.355947-3-rosenp%40gmail.com
patch subject: [PATCH 2/5] crypto: cesa: use enabled variants for clk_get
config: um-randconfig-r073-20241003 (https://download.01.org/0day-ci/archive/20241003/202410031841.JyZSemmn-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
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@...el.com>
| Reported-by: Dan Carpenter <dan.carpenter@...aro.org>
| Closes: https://lore.kernel.org/r/202410031841.JyZSemmn-lkp@intel.com/
smatch warnings:
drivers/crypto/marvell/cesa/cesa.c:517 mv_cesa_probe() warn: missing error code 'ret'
vim +/ret +517 drivers/crypto/marvell/cesa/cesa.c
f63601fd616ab3 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 432 static int mv_cesa_probe(struct platform_device *pdev)
f63601fd616ab3 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 433 {
0bf6948995f9f7 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 434 const struct mv_cesa_caps *caps = &orion_caps;
f63601fd616ab3 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 435 const struct mbus_dram_target_info *dram;
f63601fd616ab3 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 436 const struct of_device_id *match;
f63601fd616ab3 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 437 struct device *dev = &pdev->dev;
f63601fd616ab3 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 438 struct mv_cesa_dev *cesa;
f63601fd616ab3 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 439 struct mv_cesa_engine *engines;
28ee8b0912ca2f drivers/crypto/marvell/cesa/cesa.c Sven Auhagen 2020-07-21 440 int irq, ret, i, cpu;
f63601fd616ab3 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 441 u32 sram_size;
f63601fd616ab3 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 442
f63601fd616ab3 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 443 if (cesa_dev) {
f63601fd616ab3 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 444 dev_err(&pdev->dev, "Only one CESA device authorized\n");
f63601fd616ab3 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 445 return -EEXIST;
f63601fd616ab3 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 446 }
f63601fd616ab3 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 447
0bf6948995f9f7 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 448 if (dev->of_node) {
f63601fd616ab3 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 449 match = of_match_node(mv_cesa_of_match_table, dev->of_node);
f63601fd616ab3 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 450 if (!match || !match->data)
f63601fd616ab3 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 451 return -ENOTSUPP;
f63601fd616ab3 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 452
f63601fd616ab3 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 453 caps = match->data;
0bf6948995f9f7 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 454 }
0bf6948995f9f7 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 455
f63601fd616ab3 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 456 cesa = devm_kzalloc(dev, sizeof(*cesa), GFP_KERNEL);
f63601fd616ab3 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 457 if (!cesa)
f63601fd616ab3 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 458 return -ENOMEM;
f63601fd616ab3 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 459
f63601fd616ab3 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 460 cesa->caps = caps;
f63601fd616ab3 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 461 cesa->dev = dev;
f63601fd616ab3 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 462
f63601fd616ab3 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 463 sram_size = CESA_SA_DEFAULT_SRAM_SIZE;
f63601fd616ab3 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 464 of_property_read_u32(cesa->dev->of_node, "marvell,crypto-sram-size",
f63601fd616ab3 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 465 &sram_size);
f63601fd616ab3 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 466 if (sram_size < CESA_SA_MIN_SRAM_SIZE)
f63601fd616ab3 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 467 sram_size = CESA_SA_MIN_SRAM_SIZE;
f63601fd616ab3 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 468
f63601fd616ab3 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 469 cesa->sram_size = sram_size;
a86854d0c599b3 drivers/crypto/marvell/cesa.c Kees Cook 2018-06-12 470 cesa->engines = devm_kcalloc(dev, caps->nengines, sizeof(*engines),
f63601fd616ab3 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 471 GFP_KERNEL);
f63601fd616ab3 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 472 if (!cesa->engines)
f63601fd616ab3 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 473 return -ENOMEM;
f63601fd616ab3 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 474
f63601fd616ab3 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 475 spin_lock_init(&cesa->lock);
bf8f91e711926c drivers/crypto/marvell/cesa.c Romain Perier 2016-06-21 476
3cea6b36a43405 drivers/crypto/marvell/cesa/cesa.c Zhang Qilong 2020-09-17 477 cesa->regs = devm_platform_ioremap_resource_byname(pdev, "regs");
f63601fd616ab3 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 478 if (IS_ERR(cesa->regs))
dfe97ad30e8c03 drivers/crypto/marvell/cesa.c Boris Brezillon 2016-03-17 479 return PTR_ERR(cesa->regs);
f63601fd616ab3 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 480
db509a45339fd7 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 481 ret = mv_cesa_dev_dma_init(cesa);
db509a45339fd7 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 482 if (ret)
db509a45339fd7 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 483 return ret;
db509a45339fd7 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 484
f63601fd616ab3 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 485 dram = mv_mbus_dram_info_nooverlap();
f63601fd616ab3 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 486
f63601fd616ab3 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 487 platform_set_drvdata(pdev, cesa);
f63601fd616ab3 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 488
f63601fd616ab3 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 489 for (i = 0; i < caps->nengines; i++) {
f63601fd616ab3 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 490 struct mv_cesa_engine *engine = &cesa->engines[i];
0501d0d1494900 drivers/crypto/marvell/cesa/cesa.c Herbert Xu 2023-10-27 491 char res_name[16];
f63601fd616ab3 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 492
f63601fd616ab3 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 493 engine->id = i;
f63601fd616ab3 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 494 spin_lock_init(&engine->lock);
f63601fd616ab3 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 495
f63601fd616ab3 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 496 ret = mv_cesa_get_sram(pdev, i);
f63601fd616ab3 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 497 if (ret)
f63601fd616ab3 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 498 goto err_cleanup;
f63601fd616ab3 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 499
f63601fd616ab3 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 500 irq = platform_get_irq(pdev, i);
f63601fd616ab3 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 501 if (irq < 0) {
f63601fd616ab3 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 502 ret = irq;
f63601fd616ab3 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 503 goto err_cleanup;
f63601fd616ab3 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 504 }
f63601fd616ab3 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 505
28ee8b0912ca2f drivers/crypto/marvell/cesa/cesa.c Sven Auhagen 2020-07-21 506 engine->irq = irq;
28ee8b0912ca2f drivers/crypto/marvell/cesa/cesa.c Sven Auhagen 2020-07-21 507
f63601fd616ab3 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 508 /*
f63601fd616ab3 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 509 * Not all platforms can gate the CESA clocks: do not complain
f63601fd616ab3 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 510 * if the clock does not exist.
f63601fd616ab3 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 511 */
0501d0d1494900 drivers/crypto/marvell/cesa/cesa.c Herbert Xu 2023-10-27 512 snprintf(res_name, sizeof(res_name), "cesa%u", i);
4d5eba631bcc35 drivers/crypto/marvell/cesa/cesa.c Rosen Penev 2024-10-01 513 engine->clk = devm_clk_get_optional_enabled(dev, res_name);
f63601fd616ab3 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 514 if (IS_ERR(engine->clk)) {
4d5eba631bcc35 drivers/crypto/marvell/cesa/cesa.c Rosen Penev 2024-10-01 515 engine->clk = devm_clk_get_optional_enabled(dev, NULL);
f63601fd616ab3 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 516 if (IS_ERR(engine->clk))
4d5eba631bcc35 drivers/crypto/marvell/cesa/cesa.c Rosen Penev 2024-10-01 @517 goto err_cleanup;
ret = PTR_ERR(engine->clk);
f63601fd616ab3 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 518 }
f63601fd616ab3 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 519
0501d0d1494900 drivers/crypto/marvell/cesa/cesa.c Herbert Xu 2023-10-27 520 snprintf(res_name, sizeof(res_name), "cesaz%u", i);
4d5eba631bcc35 drivers/crypto/marvell/cesa/cesa.c Rosen Penev 2024-10-01 521 engine->zclk = devm_clk_get_optional_enabled(dev, res_name);
f63601fd616ab3 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 522 if (IS_ERR(engine->zclk))
f63601fd616ab3 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 523 goto err_cleanup;
ret = PTR_ERR(engine->zclk);
f63601fd616ab3 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 524
f63601fd616ab3 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 525 engine->regs = cesa->regs + CESA_ENGINE_OFF(i);
f63601fd616ab3 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 526
db509a45339fd7 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 527 if (dram && cesa->caps->has_tdma)
21ec757d2dd865 drivers/crypto/marvell/cesa.c Romain Perier 2016-04-19 528 mv_cesa_conf_mbus_windows(engine, dram);
db509a45339fd7 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 529
21ec757d2dd865 drivers/crypto/marvell/cesa.c Romain Perier 2016-04-19 530 writel(0, engine->regs + CESA_SA_INT_STATUS);
f63601fd616ab3 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 531 writel(CESA_SA_CFG_STOP_DIG_ERR,
21ec757d2dd865 drivers/crypto/marvell/cesa.c Romain Perier 2016-04-19 532 engine->regs + CESA_SA_CFG);
f63601fd616ab3 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 533 writel(engine->sram_dma & CESA_SA_SRAM_MSK,
21ec757d2dd865 drivers/crypto/marvell/cesa.c Romain Perier 2016-04-19 534 engine->regs + CESA_SA_DESC_P0);
f63601fd616ab3 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 535
f63601fd616ab3 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 536 ret = devm_request_threaded_irq(dev, irq, NULL, mv_cesa_int,
f63601fd616ab3 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 537 IRQF_ONESHOT,
f63601fd616ab3 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 538 dev_name(&pdev->dev),
21ec757d2dd865 drivers/crypto/marvell/cesa.c Romain Perier 2016-04-19 539 engine);
f63601fd616ab3 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 540 if (ret)
f63601fd616ab3 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 541 goto err_cleanup;
bf8f91e711926c drivers/crypto/marvell/cesa.c Romain Perier 2016-06-21 542
28ee8b0912ca2f drivers/crypto/marvell/cesa/cesa.c Sven Auhagen 2020-07-21 543 /* Set affinity */
28ee8b0912ca2f drivers/crypto/marvell/cesa/cesa.c Sven Auhagen 2020-07-21 544 cpu = cpumask_local_spread(engine->id, NUMA_NO_NODE);
28ee8b0912ca2f drivers/crypto/marvell/cesa/cesa.c Sven Auhagen 2020-07-21 545 irq_set_affinity_hint(irq, get_cpu_mask(cpu));
28ee8b0912ca2f drivers/crypto/marvell/cesa/cesa.c Sven Auhagen 2020-07-21 546
bf8f91e711926c drivers/crypto/marvell/cesa.c Romain Perier 2016-06-21 547 crypto_init_queue(&engine->queue, CESA_CRYPTO_DEFAULT_MAX_QLEN);
bf8f91e711926c drivers/crypto/marvell/cesa.c Romain Perier 2016-06-21 548 atomic_set(&engine->load, 0);
85030c5168f1df drivers/crypto/marvell/cesa.c Romain Perier 2016-06-21 549 INIT_LIST_HEAD(&engine->complete_queue);
f63601fd616ab3 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 550 }
f63601fd616ab3 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 551
f63601fd616ab3 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 552 cesa_dev = cesa;
f63601fd616ab3 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 553
f63601fd616ab3 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 554 ret = mv_cesa_add_algs(cesa);
f63601fd616ab3 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 555 if (ret) {
f63601fd616ab3 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 556 cesa_dev = NULL;
f63601fd616ab3 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 557 goto err_cleanup;
f63601fd616ab3 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 558 }
f63601fd616ab3 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 559
f63601fd616ab3 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 560 dev_info(dev, "CESA device successfully registered\n");
f63601fd616ab3 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 561
f63601fd616ab3 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 562 return 0;
f63601fd616ab3 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 563
f63601fd616ab3 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 564 err_cleanup:
f63601fd616ab3 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 565 for (i = 0; i < caps->nengines; i++) {
f63601fd616ab3 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 566 mv_cesa_put_sram(pdev, i);
28ee8b0912ca2f drivers/crypto/marvell/cesa/cesa.c Sven Auhagen 2020-07-21 567 if (cesa->engines[i].irq > 0)
28ee8b0912ca2f drivers/crypto/marvell/cesa/cesa.c Sven Auhagen 2020-07-21 568 irq_set_affinity_hint(cesa->engines[i].irq, NULL);
f63601fd616ab3 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 569 }
f63601fd616ab3 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 570
f63601fd616ab3 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 571 return ret;
f63601fd616ab3 drivers/crypto/marvell/cesa.c Boris Brezillon 2015-06-18 572 }
--
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