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 v6.2 next-20230224] [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/20230224-213323 base: https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl.git devel patch link: https://lore.kernel.org/r/20230224133129.887203-4-eblanc%40baylibre.com patch subject: [PATCH INTERNAL v1 3/3] regulator: tps6594-regulator: Add driver for TI TPS6594 regulators config: sparc-allyesconfig (https://download.01.org/0day-ci/archive/20230225/202302250541.p9Kg2Tc6-lkp@xxxxxxxxx/config) compiler: sparc64-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/740925ed262d27dda4f7b9af4c0173a845fa0578 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/20230224-213323 git checkout 740925ed262d27dda4f7b9af4c0173a845fa0578 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=sparc olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=sparc 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/202302250541.p9Kg2Tc6-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): drivers/regulator/tps6594-regulator.c: In function 'tps6594_get_rdev_by_name': >> drivers/regulator/tps6594-regulator.c:342:59: warning: parameter 'dev' set but not used [-Wunused-but-set-parameter] 342 | struct regulator_dev *dev) | ~~~~~~~~~~~~~~~~~~~~~~^~~ drivers/regulator/tps6594-regulator.c: In function 'tps6594_regulator_probe': >> drivers/regulator/tps6594-regulator.c:493:26: warning: ordered comparison of pointer with integer zero [-Wextra] 493 | if (rdev < 0) { | ^ >> drivers/regulator/tps6594-regulator.c:381:13: warning: variable 'multi_phase_case' set but not used [-Wunused-but-set-variable] 381 | int multi_phase_case = 0xFFFF; | ^~~~~~~~~~~~~~~~ >> drivers/regulator/tps6594-regulator.c:377:31: warning: variable 'rdevmultitbl' set but not used [-Wunused-but-set-variable] 377 | struct regulator_dev *rdevmultitbl[MULTI_PHASE_NB]; | ^~~~~~~~~~~~ vim +/dev +342 drivers/regulator/tps6594-regulator.c 338 339 static int tps6594_get_rdev_by_name(const char *regulator_name, 340 struct regulator_dev *rdevbucktbl[BUCK_NB], 341 struct regulator_dev *rdevldotbl[LDO_NB], > 342 struct regulator_dev *dev) 343 { 344 int i; 345 346 for (i = 0; i <= BUCK_NB; i++) { 347 if (strcmp(regulator_name, buck_regs[i].name) == 0) { 348 dev = rdevbucktbl[i]; 349 return 0; 350 } 351 } 352 353 for (i = 0; i < ARRAY_SIZE(ldo_regs); i++) { 354 if (strcmp(regulator_name, ldo_regs[i].name) == 0) { 355 dev = rdevldotbl[i]; 356 return 0; 357 } 358 } 359 return -EINVAL; 360 } 361 362 static int tps6594_regulator_probe(struct platform_device *pdev) 363 { 364 struct tps6594 *tps = dev_get_drvdata(pdev->dev.parent); 365 struct regulator_dev *rdev; 366 struct regulator_config config = {}; 367 u8 buck_configured[BUCK_NB] = { 0 }; 368 u8 buck_multi[MULTI_PHASE_NB] = { 0 }; 369 int i; 370 int error; 371 int irq; 372 int ext_reg_irq_nb = 2; 373 struct tps6594_regulator_irq_data *irq_data; 374 struct tps6594_ext_regulator_irq_data *irq_ext_reg_data; 375 struct tps6594_regulator_irq_type *irq_type; 376 struct regulator_dev *rdevbucktbl[BUCK_NB]; > 377 struct regulator_dev *rdevmultitbl[MULTI_PHASE_NB]; 378 struct regulator_dev *rdevldotbl[LDO_NB]; 379 380 int multi_phase_id; > 381 int multi_phase_case = 0xFFFF; 382 383 config.dev = tps->dev; 384 config.driver_data = tps; 385 config.regmap = tps->regmap; 386 387 /* 388 * Switch case defines different possible multi phase config 389 * This is based on dts custom property: multi-phase-id 390 * Using compatible or device rev is a too complex alternative 391 * Default case is no Multiphase buck. 392 * In case of Multiphase configuration, value should be defined for 393 * buck_configured to avoid creating bucks for every buck in multiphase 394 */ 395 396 if (device_property_present(tps->dev, "ti,multi-phase-id")) { 397 device_property_read_u32(tps->dev, "ti,multi-phase-id", &multi_phase_id); 398 switch (multi_phase_id) { 399 case 12: 400 buck_multi[0] = 1; 401 buck_configured[0] = 1; 402 buck_configured[1] = 1; 403 multi_phase_case = TPS6594_BUCK_12; 404 break; 405 case 34: 406 buck_multi[1] = 1; 407 buck_configured[2] = 1; 408 buck_configured[3] = 1; 409 multi_phase_case = TPS6594_BUCK_34; 410 break; 411 case 123: 412 buck_multi[2] = 1; 413 buck_configured[0] = 1; 414 buck_configured[1] = 1; 415 buck_configured[2] = 1; 416 multi_phase_case = TPS6594_BUCK_123; 417 break; 418 case 1234: 419 buck_multi[3] = 1; 420 buck_configured[0] = 1; 421 buck_configured[1] = 1; 422 buck_configured[2] = 1; 423 buck_configured[3] = 1; 424 multi_phase_case = TPS6594_BUCK_1234; 425 break; 426 } 427 } 428 429 for (i = 0; i < MULTI_PHASE_NB; i++) { 430 if (buck_multi[i] == 0) 431 continue; 432 433 rdev = devm_regulator_register(&pdev->dev, &multi_regs[i], &config); 434 if (IS_ERR(rdev)) { 435 dev_err(tps->dev, "failed to register %s regulator\n", 436 pdev->name); 437 return PTR_ERR(rdev); 438 } 439 rdevmultitbl[i] = rdev; 440 } 441 442 if (tps->chip_id == LP8764X) 443 /* There is only 4 buck on LP8764X */ 444 buck_configured[4] = 1; 445 446 for (i = 0; i < BUCK_NB; i++) { 447 if (buck_configured[i] == 1) 448 continue; 449 450 rdev = devm_regulator_register(&pdev->dev, &buck_regs[i], &config); 451 if (IS_ERR(rdev)) { 452 dev_err(tps->dev, "failed to register %s regulator\n", 453 pdev->name); 454 return PTR_ERR(rdev); 455 } 456 rdevbucktbl[i] = rdev; 457 } 458 459 /* LP8764X dosen't have LDO */ 460 if (tps->chip_id != LP8764X) { 461 for (i = 0; i < ARRAY_SIZE(ldo_regs); i++) { 462 rdev = devm_regulator_register(&pdev->dev, &ldo_regs[i], &config); 463 if (IS_ERR(rdev)) { 464 dev_err(tps->dev, 465 "failed to register %s regulator\n", 466 pdev->name); 467 return PTR_ERR(rdev); 468 } 469 rdevldotbl[i] = rdev; 470 } 471 } 472 473 irq_data = devm_kmalloc(tps->dev, 474 ARRAY_SIZE(tps6594_regulator_irq_types) * 475 sizeof(struct tps6594_regulator_irq_data), 476 GFP_KERNEL); 477 if (!irq_data) 478 return -ENOMEM; 479 480 for (i = 0; i < ARRAY_SIZE(tps6594_regulator_irq_types); ++i) { 481 irq_type = &tps6594_regulator_irq_types[i]; 482 483 irq = platform_get_irq_byname(pdev, irq_type->irq_name); 484 if (irq < 0) 485 return -EINVAL; 486 487 irq_data[i].dev = tps->dev; 488 irq_data[i].type = irq_type; 489 490 tps6594_get_rdev_by_name(irq_type->regulator_name, rdevbucktbl, 491 rdevldotbl, rdev); 492 > 493 if (rdev < 0) { 494 dev_err(tps->dev, "Failed to get rdev for %s\n", 495 irq_type->regulator_name); 496 return -EINVAL; 497 } 498 irq_data[i].rdev = rdev; 499 500 error = devm_request_threaded_irq(tps->dev, irq, NULL, 501 tps6594_regulator_irq_handler, 502 IRQF_ONESHOT, 503 irq_type->irq_name, 504 &irq_data[i]); 505 if (error) { 506 dev_err(tps->dev, "failed to request %s IRQ %d: %d\n", 507 irq_type->irq_name, irq, error); 508 return error; 509 } 510 } 511 512 if (tps->chip_id == LP8764X) 513 ext_reg_irq_nb = ARRAY_SIZE(tps6594_ext_regulator_irq_types); 514 515 irq_ext_reg_data = devm_kmalloc(tps->dev, 516 ext_reg_irq_nb * 517 sizeof(struct tps6594_ext_regulator_irq_data), 518 GFP_KERNEL); 519 if (!irq_ext_reg_data) 520 return -ENOMEM; 521 522 for (i = 0; i < ext_reg_irq_nb; ++i) { 523 irq_type = &tps6594_ext_regulator_irq_types[i]; 524 525 irq = platform_get_irq_byname(pdev, irq_type->irq_name); 526 if (irq < 0) 527 return -EINVAL; 528 529 irq_ext_reg_data[i].dev = tps->dev; 530 irq_ext_reg_data[i].type = irq_type; 531 532 error = devm_request_threaded_irq(tps->dev, irq, NULL, 533 tps6594_regulator_irq_handler, 534 IRQF_ONESHOT, 535 irq_type->irq_name, 536 &irq_ext_reg_data[i]); 537 if (error) { 538 dev_err(tps->dev, "failed to request %s IRQ %d: %d\n", 539 irq_type->irq_name, irq, error); 540 return error; 541 } 542 } 543 544 return 0; 545 } 546 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests
