Hi Dmitry, I love your patch! Perhaps something to improve: [auto build test WARNING on regulator/for-next] [cannot apply to v5.4-rc1 next-20191004] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' option to specify the base tree in git format-patch, please see https://stackoverflow.com/a/37406982] url: https://github.com/0day-ci/linux/commits/Dmitry-Torokhov/regulator-switch-to-using-devm_-fwnode_gpiod_get_index/20191005-085020 base: https://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator.git for-next config: nds32-allyesconfig (attached as .config) compiler: nds32le-linux-gcc (GCC) 8.1.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree GCC_VERSION=8.1.0 make.cross ARCH=nds32 If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): drivers/regulator/s5m8767.c: In function 's5m8767_pmic_dt_parse_pdata': drivers/regulator/s5m8767.c:570:30: error: implicit declaration of function 'devm_fwnode_gpiod_get'; did you mean 'devm_gpiod_get'? [-Werror=implicit-function-declaration] rdata->ext_control_gpiod = devm_fwnode_gpiod_get( ^~~~~~~~~~~~~~~~~~~~~ devm_gpiod_get >> drivers/regulator/s5m8767.c:570:28: warning: assignment to 'struct gpio_desc *' from 'int' makes pointer from integer without a cast [-Wint-conversion] rdata->ext_control_gpiod = devm_fwnode_gpiod_get( ^ cc1: some warnings being treated as errors vim +570 drivers/regulator/s5m8767.c 519 520 static int s5m8767_pmic_dt_parse_pdata(struct platform_device *pdev, 521 struct sec_platform_data *pdata) 522 { 523 struct sec_pmic_dev *iodev = dev_get_drvdata(pdev->dev.parent); 524 struct device_node *pmic_np, *regulators_np, *reg_np; 525 struct sec_regulator_data *rdata; 526 struct sec_opmode_data *rmode; 527 unsigned int i, dvs_voltage_nr = 8, ret; 528 529 pmic_np = iodev->dev->of_node; 530 if (!pmic_np) { 531 dev_err(iodev->dev, "could not find pmic sub-node\n"); 532 return -ENODEV; 533 } 534 535 regulators_np = of_get_child_by_name(pmic_np, "regulators"); 536 if (!regulators_np) { 537 dev_err(iodev->dev, "could not find regulators sub-node\n"); 538 return -EINVAL; 539 } 540 541 /* count the number of regulators to be supported in pmic */ 542 pdata->num_regulators = of_get_child_count(regulators_np); 543 544 rdata = devm_kcalloc(&pdev->dev, 545 pdata->num_regulators, sizeof(*rdata), 546 GFP_KERNEL); 547 if (!rdata) 548 return -ENOMEM; 549 550 rmode = devm_kcalloc(&pdev->dev, 551 pdata->num_regulators, sizeof(*rmode), 552 GFP_KERNEL); 553 if (!rmode) 554 return -ENOMEM; 555 556 pdata->regulators = rdata; 557 pdata->opmode = rmode; 558 for_each_child_of_node(regulators_np, reg_np) { 559 for (i = 0; i < ARRAY_SIZE(regulators); i++) 560 if (of_node_name_eq(reg_np, regulators[i].name)) 561 break; 562 563 if (i == ARRAY_SIZE(regulators)) { 564 dev_warn(iodev->dev, 565 "don't know how to configure regulator %pOFn\n", 566 reg_np); 567 continue; 568 } 569 > 570 rdata->ext_control_gpiod = devm_fwnode_gpiod_get( 571 &pdev->dev, 572 of_fwnode_handle(reg_np), 573 "s5m8767,pmic-ext-control", 574 GPIOD_OUT_HIGH | GPIOD_FLAGS_BIT_NONEXCLUSIVE, 575 "s5m8767"); 576 if (PTR_ERR(rdata->ext_control_gpiod) == -ENOENT) 577 rdata->ext_control_gpiod = NULL; 578 else if (IS_ERR(rdata->ext_control_gpiod)) 579 return PTR_ERR(rdata->ext_control_gpiod); 580 581 rdata->id = i; 582 rdata->initdata = of_get_regulator_init_data( 583 &pdev->dev, reg_np, 584 ®ulators[i]); 585 rdata->reg_node = reg_np; 586 rdata++; 587 rmode->id = i; 588 if (of_property_read_u32(reg_np, "op_mode", 589 &rmode->mode)) { 590 dev_warn(iodev->dev, 591 "no op_mode property property at %pOF\n", 592 reg_np); 593 594 rmode->mode = S5M8767_OPMODE_NORMAL_MODE; 595 } 596 rmode++; 597 } 598 599 of_node_put(regulators_np); 600 601 if (of_get_property(pmic_np, "s5m8767,pmic-buck2-uses-gpio-dvs", NULL)) { 602 pdata->buck2_gpiodvs = true; 603 604 if (of_property_read_u32_array(pmic_np, 605 "s5m8767,pmic-buck2-dvs-voltage", 606 pdata->buck2_voltage, dvs_voltage_nr)) { 607 dev_err(iodev->dev, "buck2 voltages not specified\n"); 608 return -EINVAL; 609 } 610 } 611 612 if (of_get_property(pmic_np, "s5m8767,pmic-buck3-uses-gpio-dvs", NULL)) { 613 pdata->buck3_gpiodvs = true; 614 615 if (of_property_read_u32_array(pmic_np, 616 "s5m8767,pmic-buck3-dvs-voltage", 617 pdata->buck3_voltage, dvs_voltage_nr)) { 618 dev_err(iodev->dev, "buck3 voltages not specified\n"); 619 return -EINVAL; 620 } 621 } 622 623 if (of_get_property(pmic_np, "s5m8767,pmic-buck4-uses-gpio-dvs", NULL)) { 624 pdata->buck4_gpiodvs = true; 625 626 if (of_property_read_u32_array(pmic_np, 627 "s5m8767,pmic-buck4-dvs-voltage", 628 pdata->buck4_voltage, dvs_voltage_nr)) { 629 dev_err(iodev->dev, "buck4 voltages not specified\n"); 630 return -EINVAL; 631 } 632 } 633 634 if (pdata->buck2_gpiodvs || pdata->buck3_gpiodvs || 635 pdata->buck4_gpiodvs) { 636 ret = s5m8767_pmic_dt_parse_dvs_gpio(iodev, pdata, pmic_np); 637 if (ret) 638 return -EINVAL; 639 640 if (of_property_read_u32(pmic_np, 641 "s5m8767,pmic-buck-default-dvs-idx", 642 &pdata->buck_default_idx)) { 643 pdata->buck_default_idx = 0; 644 } else { 645 if (pdata->buck_default_idx >= 8) { 646 pdata->buck_default_idx = 0; 647 dev_info(iodev->dev, 648 "invalid value for default dvs index, use 0\n"); 649 } 650 } 651 } 652 653 ret = s5m8767_pmic_dt_parse_ds_gpio(iodev, pdata, pmic_np); 654 if (ret) 655 return -EINVAL; 656 657 if (of_get_property(pmic_np, "s5m8767,pmic-buck2-ramp-enable", NULL)) 658 pdata->buck2_ramp_enable = true; 659 660 if (of_get_property(pmic_np, "s5m8767,pmic-buck3-ramp-enable", NULL)) 661 pdata->buck3_ramp_enable = true; 662 663 if (of_get_property(pmic_np, "s5m8767,pmic-buck4-ramp-enable", NULL)) 664 pdata->buck4_ramp_enable = true; 665 666 if (pdata->buck2_ramp_enable || pdata->buck3_ramp_enable 667 || pdata->buck4_ramp_enable) { 668 if (of_property_read_u32(pmic_np, "s5m8767,pmic-buck-ramp-delay", 669 &pdata->buck_ramp_delay)) 670 pdata->buck_ramp_delay = 0; 671 } 672 673 return 0; 674 } 675 #else 676 static int s5m8767_pmic_dt_parse_pdata(struct platform_device *pdev, 677 struct sec_platform_data *pdata) 678 { 679 return 0; 680 } 681 #endif /* CONFIG_OF */ 682 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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