tree: https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git bleeding-edge head: 9808623e1bba7d929b50865d7e2d7042cd4e5e7b commit: 810fc8571f8b70a4263266d979f97edec2804574 [6/11] software node: balance refcount for managed sw nodes config: arc-randconfig-r001-20210916 (attached as .config) compiler: arc-elf-gcc (GCC) 11.2.0 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://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git/commi... git remote add rafael-pm https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git git fetch --no-tags rafael-pm bleeding-edge git checkout 810fc8571f8b70a4263266d979f97edec2804574 # save the attached .config to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=arc SHELL=/bin/bash drivers/ 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 >>): drivers/base/swnode.c: In function 'device_create_managed_software_node': 1120 | software_node_notify(dev, KOBJ_ADD); | ^~~~~~~~~~~~~~~~~~~~ In file included from drivers/base/swnode.c:14: drivers/base/base.h:206:6: note: declared here 206 | void software_node_notify(struct device *dev); | ^~~~~~~~~~~~~~~~~~~~ vim +/software_node_notify +1120 drivers/base/swnode.c 1085 1086 /** 1087 * device_create_managed_software_node - Create a software node for a device 1088 * @dev: The device the software node is assigned to. 1089 * @properties: Device properties for the software node. 1090 * @parent: Parent of the software node. 1091 * 1092 * Creates a software node as a managed resource for @dev, which means the 1093 * lifetime of the newly created software node is tied to the lifetime of @dev. 1094 * Software nodes created with this function should not be reused or shared 1095 * because of that. The function takes a deep copy of @properties for the 1096 * software node. 1097 * 1098 * Since the new software node is assigned directly to @dev, and since it should 1099 * not be shared, it is not returned to the caller. The function returns 0 on 1100 * success, and errno in case of an error. 1101 */ 1102 int device_create_managed_software_node(struct device *dev, 1103 const struct property_entry *properties, 1104 const struct software_node *parent) 1105 { 1106 struct fwnode_handle *p = software_node_fwnode(parent); 1107 struct fwnode_handle *fwnode; 1108 1109 if (parent && !p) 1110 return -EINVAL; 1111 1112 fwnode = fwnode_create_software_node(properties, p); 1113 if (IS_ERR(fwnode)) 1114 return PTR_ERR(fwnode); 1115 1116 to_swnode(fwnode)->managed = true; 1117 set_secondary_fwnode(dev, fwnode); 1118 1119 if (device_is_registered(dev)) 1121 1122 return 0; 1123 } 1124 EXPORT_SYMBOL_GPL(device_create_managed_software_node); 1125 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org