tree: https://git.kernel.org/pub/scm/linux/kernel/git/sashal/linux-stable.git queue-4.9 head: 308d4977f794c79237b96eaf6ab3ec4ef472d9d3 commit: c1cff716737c7ee5e93144ddaa520f1b396fcf82 [21/22] regulator: max77620: Use device_set_of_node_from_dev() config: arm-randconfig-r006-20210613 (attached as .config) compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project d2012d965d60c3258b3a69d024491698f8aec386) 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 # install arm cross compiling tool for clang build # apt-get install binutils-arm-linux-gnueabi # https://git.kernel.org/pub/scm/linux/kernel/git/sashal/linux-stable.git/c... git remote add sashal-linux-stable https://git.kernel.org/pub/scm/linux/kernel/git/sashal/linux-stable.git git fetch --no-tags sashal-linux-stable queue-4.9 git checkout c1cff716737c7ee5e93144ddaa520f1b396fcf82 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): device_set_of_node_from_dev(&pdev->dev, pdev->dev.parent); ^ 1 error generated. vim +/device_set_of_node_from_dev +757 drivers/regulator/max77620-regulator.c 718 719 static int max77620_regulator_probe(struct platform_device *pdev) 720 { 721 struct max77620_chip *max77620_chip = dev_get_drvdata(pdev->dev.parent); 722 struct max77620_regulator_info *rinfo; 723 struct device *dev = &pdev->dev; 724 struct regulator_config config = { }; 725 struct max77620_regulator *pmic; 726 int ret = 0; 727 int id; 728 729 pmic = devm_kzalloc(dev, sizeof(*pmic), GFP_KERNEL); 730 if (!pmic) 731 return -ENOMEM; 732 733 platform_set_drvdata(pdev, pmic); 734 pmic->dev = dev; 735 pmic->rmap = max77620_chip->rmap; 736 if (!dev->of_node) 737 dev->of_node = pdev->dev.parent->of_node; 738 739 switch (max77620_chip->chip_id) { 740 case MAX77620: 741 rinfo = max77620_regs_info; 742 break; 743 default: 744 rinfo = max20024_regs_info; 745 break; 746 } 747 748 config.regmap = pmic->rmap; 749 config.dev = dev; 750 config.driver_data = pmic; 751 752 /* 753 * Set of_node_reuse flag to prevent driver core from attempting to 754 * claim any pinmux resources already claimed by the parent device. 755 * Otherwise PMIC driver will fail to re-probe. 756 */ 758 759 for (id = 0; id < MAX77620_NUM_REGS; id++) { 760 struct regulator_dev *rdev; 761 struct regulator_desc *rdesc; 762 763 if ((max77620_chip->chip_id == MAX77620) && 764 (id == MAX77620_REGULATOR_ID_SD4)) 765 continue; 766 767 rdesc = &rinfo[id].desc; 768 pmic->rinfo[id] = &max77620_regs_info[id]; 769 pmic->enable_power_mode[id] = MAX77620_POWER_MODE_NORMAL; 770 771 ret = max77620_read_slew_rate(pmic, id); 772 if (ret < 0) 773 return ret; 774 775 rdev = devm_regulator_register(dev, rdesc, &config); 776 if (IS_ERR(rdev)) { 777 ret = PTR_ERR(rdev); 778 dev_err(dev, "Regulator registration %s failed: %d\n", 779 rdesc->name, ret); 780 return ret; 781 } 782 } 783 784 return 0; 785 } 786 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org