Messages in this thread | | | Date | Sat, 9 Jan 2021 06:30:04 +0800 | From | kernel test robot <> | Subject | Re: [PATCH 12/15] regulator: Support ROHM BD71815 regulators |
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Hi Matti,
I love your patch! Perhaps something to improve:
[auto build test WARNING on lee-mfd/for-mfd-next] [also build test WARNING on regulator/for-next abelloni/rtc-next v5.11-rc2 next-20210108] [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]
url: https://github.com/0day-ci/linux/commits/Matti-Vaittinen/Support-ROHM-BD71815-PMIC/20210108-215230 base: https://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd.git for-mfd-next config: powerpc64-allyesconfig (attached as .config) compiler: powerpc64-linux-gcc (GCC) 9.3.0 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/0day-ci/linux/commit/c84f932f4232b680eb9cc134cf94999bfda0a948 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Matti-Vaittinen/Support-ROHM-BD71815-PMIC/20210108-215230 git checkout c84f932f4232b680eb9cc134cf94999bfda0a948 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=powerpc64
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
>> drivers/regulator/bd71815-regulator.c:592:5: warning: no previous prototype for 'bd7181x_probe' [-Wmissing-prototypes] 592 | int bd7181x_probe(struct platform_device *pdev) | ^~~~~~~~~~~~~
vim +/bd7181x_probe +592 drivers/regulator/bd71815-regulator.c
591 > 592 int bd7181x_probe(struct platform_device *pdev) 593 { 594 struct bd71815_pmic *pmic; 595 struct regulator_config config = {}; 596 int i, ret; 597 struct gpio_desc *ldo4_en; 598 599 pmic = devm_kzalloc(&pdev->dev, sizeof(*pmic), GFP_KERNEL); 600 if (!pmic) 601 return -ENOMEM; 602 603 memcpy(pmic->descs, bd71815_regulators, sizeof(pmic->descs)); 604 605 pmic->dev = &pdev->dev; 606 pmic->regmap = dev_get_regmap(pdev->dev.parent, NULL); 607 if (!pmic->regmap) { 608 dev_err(pmic->dev, "No parent regmap\n"); 609 return -ENODEV; 610 } 611 platform_set_drvdata(pdev, pmic); 612 ldo4_en = devm_gpiod_get_from_of_node(&pdev->dev, 613 pdev->dev.parent->of_node, 614 "rohm,vsel-gpios", 0, 615 GPIOD_ASIS, "ldo4-en"); 616 617 if (IS_ERR(ldo4_en)) { 618 ret = PTR_ERR(ldo4_en); 619 if (ret != -ENOENT) 620 return ret; 621 ldo4_en = NULL; 622 } 623 624 /* Disable to go to ship-mode */ 625 ret = regmap_update_bits(pmic->regmap, BD71815_REG_PWRCTRL, RESTARTEN, 0); 626 if (ret) 627 return ret; 628 629 config.dev = pdev->dev.parent; 630 config.regmap = pmic->regmap; 631 632 for (i = 0; i < BD71815_REGULATOR_CNT; i++) { 633 struct regulator_desc *desc; 634 struct regulator_dev *rdev; 635 636 desc = &pmic->descs[i].desc; 637 if (i == BD71815_LDO4) 638 config.ena_gpiod = ldo4_en; 639 640 config.driver_data = pmic; 641 642 rdev = devm_regulator_register(&pdev->dev, desc, &config); 643 if (IS_ERR(rdev)) { 644 dev_err(&pdev->dev, 645 "failed to register %s regulator\n", 646 desc->name); 647 return PTR_ERR(rdev); 648 } 649 config.ena_gpiod = NULL; 650 pmic->rdev[i] = rdev; 651 } 652 return 0; 653 } 654
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