Hi Ivaylo, kernel test robot noticed the following build warnings: [auto build test WARNING on robh/for-next] [also build test WARNING on linus/master v6.14-rc4 next-20250228] [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/Ivaylo-Ivanov/dt-bindings-phy-rename-qcom-snps-eusb2-phy-binding-to-snps-eusb2-phy/20250223-202709 base: https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next patch link: https://lore.kernel.org/r/20250223122227.725233-6-ivo.ivanov.ivanov1%40gmail.com patch subject: [PATCH v2 5/8] phy: phy-snps-eusb2: make repeater optional config: microblaze-randconfig-r123-20250302 (https://download.01.org/0day-ci/archive/20250302/202503020920.Kw0H8Acs-lkp@xxxxxxxxx/config) compiler: microblaze-linux-gcc (GCC) 14.2.0 reproduce: (https://download.01.org/0day-ci/archive/20250302/202503020920.Kw0H8Acs-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/202503020920.Kw0H8Acs-lkp@xxxxxxxxx/ sparse warnings: (new ones prefixed by >>) >> drivers/phy/phy-snps-eusb2.c:464:59: sparse: sparse: Using plain integer as NULL pointer vim +464 drivers/phy/phy-snps-eusb2.c 398 399 static int snps_eusb2_hsphy_probe(struct platform_device *pdev) 400 { 401 struct device *dev = &pdev->dev; 402 struct device_node *np = dev->of_node; 403 struct snps_eusb2_hsphy *phy; 404 struct phy_provider *phy_provider; 405 struct phy *generic_phy; 406 const struct snps_eusb2_phy_drvdata *drv_data; 407 int ret, i; 408 int num; 409 410 phy = devm_kzalloc(dev, sizeof(*phy), GFP_KERNEL); 411 if (!phy) 412 return -ENOMEM; 413 414 drv_data = of_device_get_match_data(dev); 415 if (!drv_data) 416 return -EINVAL; 417 phy->data = drv_data; 418 419 phy->base = devm_platform_ioremap_resource(pdev, 0); 420 if (IS_ERR(phy->base)) 421 return PTR_ERR(phy->base); 422 423 phy->phy_reset = devm_reset_control_get_exclusive(dev, NULL); 424 if (IS_ERR(phy->phy_reset)) 425 return PTR_ERR(phy->phy_reset); 426 427 phy->clks = devm_kcalloc(dev, 428 phy->data->num_clks, 429 sizeof(*phy->clks), 430 GFP_KERNEL); 431 if (!phy->clks) 432 return -ENOMEM; 433 434 for (int i = 0; i < phy->data->num_clks; ++i) 435 phy->clks[i].id = phy->data->clk_names[i]; 436 437 ret = devm_clk_bulk_get(dev, phy->data->num_clks, 438 phy->clks); 439 if (ret) 440 return dev_err_probe(dev, ret, 441 "failed to get phy clock(s)\n"); 442 443 phy->ref_clk = NULL; 444 for (int i = 0; i < phy->data->num_clks; ++i) { 445 if (!strcmp(phy->clks[i].id, "ref")) { 446 phy->ref_clk = phy->clks[i].clk; 447 break; 448 } 449 } 450 451 if (IS_ERR_OR_NULL(phy->ref_clk)) 452 return dev_err_probe(dev, PTR_ERR(phy->ref_clk), 453 "failed to get ref clk\n"); 454 455 num = ARRAY_SIZE(phy->vregs); 456 for (i = 0; i < num; i++) 457 phy->vregs[i].supply = eusb2_hsphy_vreg_names[i]; 458 459 ret = devm_regulator_bulk_get(dev, num, phy->vregs); 460 if (ret) 461 return dev_err_probe(dev, ret, 462 "failed to get regulator supplies\n"); 463 > 464 phy->repeater = devm_of_phy_optional_get(dev, np, 0); 465 if (IS_ERR(phy->repeater)) 466 return dev_err_probe(dev, PTR_ERR(phy->repeater), 467 "failed to get repeater\n"); 468 469 generic_phy = devm_phy_create(dev, NULL, &snps_eusb2_hsphy_ops); 470 if (IS_ERR(generic_phy)) { 471 dev_err(dev, "failed to create phy %d\n", ret); 472 return PTR_ERR(generic_phy); 473 } 474 475 dev_set_drvdata(dev, phy); 476 phy_set_drvdata(generic_phy, phy); 477 478 phy_provider = devm_of_phy_provider_register(dev, of_phy_simple_xlate); 479 if (IS_ERR(phy_provider)) 480 return PTR_ERR(phy_provider); 481 482 dev_info(dev, "Registered Snps-eUSB2 phy\n"); 483 484 return 0; 485 } 486 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki