Hi Esteban, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on linusw-pinctrl/devel] [also build test WARNING on linusw-pinctrl/for-next broonie-regulator/for-next abelloni/rtc-next linus/master v6.3-rc4 next-20230328] [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/Esteban-Blanc/rtc-tps6594-add-driver-for-TPS6594-PMIC-RTC/20230328-171612 base: https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl.git devel patch link: https://lore.kernel.org/r/20230328091448.648452-4-eblanc%40baylibre.com patch subject: [PATCH v2 3/3] regulator: tps6594-regulator: Add driver for TI TPS6594 regulators config: loongarch-allyesconfig (https://download.01.org/0day-ci/archive/20230329/202303290336.bSKllPZi-lkp@xxxxxxxxx/config) compiler: loongarch64-linux-gcc (GCC) 12.1.0 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 # https://github.com/intel-lab-lkp/linux/commit/842fe9039c5ca8c856ee7433c0dff43ee7f52cfe git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Esteban-Blanc/rtc-tps6594-add-driver-for-TPS6594-PMIC-RTC/20230328-171612 git checkout 842fe9039c5ca8c856ee7433c0dff43ee7f52cfe # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=loongarch olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=loongarch SHELL=/bin/bash drivers/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Link: https://lore.kernel.org/oe-kbuild-all/202303290336.bSKllPZi-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): drivers/regulator/tps6594-regulator.c: In function 'tps6594_regulator_probe': >> drivers/regulator/tps6594-regulator.c:423:31: warning: variable 'rdevldotbl' set but not used [-Wunused-but-set-variable] 423 | struct regulator_dev *rdevldotbl[LDO_NB]; | ^~~~~~~~~~ >> drivers/regulator/tps6594-regulator.c:422:31: warning: variable 'rdevmultitbl' set but not used [-Wunused-but-set-variable] 422 | struct regulator_dev *rdevmultitbl[MULTI_PHASE_NB]; | ^~~~~~~~~~~~ >> drivers/regulator/tps6594-regulator.c:421:31: warning: variable 'rdevbucktbl' set but not used [-Wunused-but-set-variable] 421 | struct regulator_dev *rdevbucktbl[BUCK_NB]; | ^~~~~~~~~~~ vim +/rdevldotbl +423 drivers/regulator/tps6594-regulator.c 405 406 static int tps6594_regulator_probe(struct platform_device *pdev) 407 { 408 struct tps6594 *tps = dev_get_drvdata(pdev->dev.parent); 409 struct regulator_dev *rdev; 410 struct regulator_config config = {}; 411 u8 buck_configured[BUCK_NB] = { 0 }; 412 u8 buck_multi[MULTI_PHASE_NB] = { 0 }; 413 int i, nranges; 414 int irq_idx = 0; 415 int buck_idx = 0; 416 int error, irq; 417 int ext_reg_irq_nb = 2; 418 struct tps6594_regulator_irq_data *irq_data; 419 struct tps6594_ext_regulator_irq_data *irq_ext_reg_data; 420 struct tps6594_regulator_irq_type *irq_type; > 421 struct regulator_dev *rdevbucktbl[BUCK_NB]; > 422 struct regulator_dev *rdevmultitbl[MULTI_PHASE_NB]; > 423 struct regulator_dev *rdevldotbl[LDO_NB]; 424 u32 multi_phase_id; 425 u32 multi_phase_id_tbl[2]; 426 427 config.dev = tps->dev; 428 config.driver_data = tps; 429 config.regmap = tps->regmap; 430 431 /* 432 * Switch case defines different possible multi phase config 433 * This is based on dts custom property: multi-phase-id 434 * Using compatible or device rev is a too complex alternative 435 * Default case is no Multiphase buck. 436 * In case of Multiphase configuration, value should be defined for 437 * buck_configured to avoid creating bucks for every buck in multiphase 438 */ 439 440 if (device_property_present(tps->dev, "ti,multi-phase-id")) { 441 nranges = device_property_count_u32(tps->dev, "ti,multi-phase-id"); 442 if (nranges < 1 || nranges > 2) { 443 dev_err(tps->dev, "%s port range: '%s' property\n", 444 nranges == -EINVAL ? "Missing" : "Invalid", 445 "ti,multi-phase-id"); 446 return -EINVAL; 447 } 448 error = device_property_read_u32_array(tps->dev, "ti,multi-phase-id", 449 multi_phase_id_tbl, nranges); 450 if (error) { 451 dev_err(tps->dev, "failed to parse '%s' property: %d\n", 452 "ti,multi-phase-id", error); 453 return error; 454 } 455 multi_phase_id = multi_phase_id_tbl[0]; 456 /* Only configuration multiphase buck12 & buck34 requires 2 arguments */ 457 if (nranges > 1 && multi_phase_id != 34) 458 multi_phase_id = multi_phase_id_tbl[1]; 459 460 switch (multi_phase_id) { 461 case 12: 462 buck_multi[0] = 1; 463 buck_configured[0] = 1; 464 buck_configured[1] = 1; 465 break; 466 /* multiphase buck34 is supported only with buck12 */ 467 case 34: 468 buck_multi[0] = 1; 469 buck_configured[0] = 1; 470 buck_configured[1] = 1; 471 buck_multi[1] = 1; 472 buck_configured[2] = 1; 473 buck_configured[3] = 1; 474 break; 475 case 123: 476 buck_multi[2] = 1; 477 buck_configured[0] = 1; 478 buck_configured[1] = 1; 479 buck_configured[2] = 1; 480 break; 481 case 1234: 482 buck_multi[3] = 1; 483 buck_configured[0] = 1; 484 buck_configured[1] = 1; 485 buck_configured[2] = 1; 486 buck_configured[3] = 1; 487 break; 488 } 489 } 490 491 if (tps->chip_id == LP8764X) 492 /* There is only 4 buck on LP8764X */ 493 buck_configured[4] = 1; 494 495 irq_data = devm_kmalloc(tps->dev, 496 ARRAY_SIZE(tps6594_bucks_irq_types) * 497 REGS_INT_NB * 498 sizeof(struct tps6594_regulator_irq_data) + 499 ARRAY_SIZE(tps6594_ldos_irq_types) * 500 REGS_INT_NB * 501 sizeof(struct tps6594_regulator_irq_data), 502 GFP_KERNEL); 503 if (!irq_data) 504 return -ENOMEM; 505 506 for (i = 0; i < MULTI_PHASE_NB; i++) { 507 if (buck_multi[i] == 0) 508 continue; 509 510 rdev = devm_regulator_register(&pdev->dev, &multi_regs[i], &config); 511 if (IS_ERR(rdev)) { 512 dev_err(tps->dev, "failed to register %s regulator\n", 513 pdev->name); 514 return PTR_ERR(rdev); 515 } 516 rdevmultitbl[i] = rdev; 517 /* config multiphase buck12+buck34 */ 518 if (i == 1) 519 buck_idx = 2; 520 error = tps6594_request_reg_irqs(pdev, rdev, irq_data, 521 tps6594_bucks_irq_types[buck_idx], &irq_idx); 522 if (error) 523 return error; 524 error = tps6594_request_reg_irqs(pdev, rdev, irq_data, 525 tps6594_bucks_irq_types[buck_idx + 1], &irq_idx); 526 if (error) 527 return error; 528 529 if (i == 2 || i == 3) { 530 error = tps6594_request_reg_irqs(pdev, rdev, irq_data, 531 tps6594_bucks_irq_types[buck_idx + 2], 532 &irq_idx); 533 if (error) 534 return error; 535 } 536 if (i == 3) { 537 error = tps6594_request_reg_irqs(pdev, rdev, irq_data, 538 tps6594_bucks_irq_types[buck_idx + 3], 539 &irq_idx); 540 if (error) 541 return error; 542 } 543 } 544 545 for (i = 0; i < BUCK_NB; i++) { 546 if (buck_configured[i] == 1) 547 continue; 548 549 rdev = devm_regulator_register(&pdev->dev, &buck_regs[i], &config); 550 if (IS_ERR(rdev)) { 551 dev_err(tps->dev, "failed to register %s regulator\n", 552 pdev->name); 553 return PTR_ERR(rdev); 554 } 555 rdevbucktbl[i] = rdev; 556 557 error = tps6594_request_reg_irqs(pdev, rdev, irq_data, 558 tps6594_bucks_irq_types[i], &irq_idx); 559 if (error) 560 return error; 561 } 562 563 /* LP8764X dosen't have LDO */ 564 if (tps->chip_id != LP8764X) { 565 for (i = 0; i < ARRAY_SIZE(ldo_regs); i++) { 566 rdev = devm_regulator_register(&pdev->dev, &ldo_regs[i], &config); 567 if (IS_ERR(rdev)) { 568 dev_err(tps->dev, 569 "failed to register %s regulator\n", 570 pdev->name); 571 return PTR_ERR(rdev); 572 } 573 rdevldotbl[i] = rdev; 574 error = tps6594_request_reg_irqs(pdev, rdev, irq_data, 575 tps6594_ldos_irq_types[i], 576 &irq_idx); 577 if (error) 578 return error; 579 } 580 } 581 582 if (tps->chip_id == LP8764X) 583 ext_reg_irq_nb = ARRAY_SIZE(tps6594_ext_regulator_irq_types); 584 585 irq_ext_reg_data = devm_kmalloc(tps->dev, 586 ext_reg_irq_nb * 587 sizeof(struct tps6594_ext_regulator_irq_data), 588 GFP_KERNEL); 589 if (!irq_ext_reg_data) 590 return -ENOMEM; 591 592 for (i = 0; i < ext_reg_irq_nb; ++i) { 593 irq_type = &tps6594_ext_regulator_irq_types[i]; 594 595 irq = platform_get_irq_byname(pdev, irq_type->irq_name); 596 if (irq < 0) 597 return -EINVAL; 598 599 irq_ext_reg_data[i].dev = tps->dev; 600 irq_ext_reg_data[i].type = irq_type; 601 602 error = devm_request_threaded_irq(tps->dev, irq, NULL, 603 tps6594_regulator_irq_handler, 604 IRQF_ONESHOT, 605 irq_type->irq_name, 606 &irq_ext_reg_data[i]); 607 if (error) { 608 dev_err(tps->dev, "failed to request %s IRQ %d: %d\n", 609 irq_type->irq_name, irq, error); 610 return error; 611 } 612 } 613 return 0; 614 } 615 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests
