1 /* SPDX-License-Identifier: GPL-2.0+ */
8  * Copyright (C) 1996-2005 Paul Mackerras.
109 	kobject_init(&node->kobj, &of_node_ktype);  in of_node_init()
111 	fwnode_init(&node->fwnode, &of_fwnode_ops);  in of_node_init()
115 #define of_node_kobj(n) (&(n)->kobj)
124 /* Dummy ref counting routines - to be implemented later */
150 #define OF_BAD_ADDR	((u64)-1)
157 	return !IS_ERR_OR_NULL(fwnode) && fwnode->ops == &of_fwnode_ops;  in is_of_node()
175 			&__of_fwnode_handle_node->fwnode : NULL;	\
185 	return node && (node->parent == NULL);  in of_node_is_root()
190 	return test_bit(flag, &n->_flags);  in of_node_check_flag()
196 	return test_and_set_bit(flag, &n->_flags);  in of_node_test_and_set_flag()
201 	set_bit(flag, &n->_flags);  in of_node_set_flag()
206 	clear_bit(flag, &n->_flags);  in of_node_clear_flag()
212 	return test_bit(flag, &p->_flags);  in of_property_check_flag()
217 	set_bit(flag, &p->_flags);  in of_property_set_flag()
222 	clear_bit(flag, &p->_flags);  in of_property_clear_flag()
237 	for (; size--; cell++)  in of_read_number()
253 #define OF_IS_DYNAMIC(x) test_bit(OF_DYNAMIC, &x->_flags)
254 #define OF_MARK_DYNAMIC(x) set_bit(OF_DYNAMIC, &x->_flags)
261 	return np ? np->full_name : "<no-node>";  in of_node_full_name()
358 	for (pp = dn->properties; pp != NULL; pp = pp->next)
419  * of_property_read_u8_array - Find and read an array of u8 from a property.
426  * Search for a property in a device node and read 8-bit value(s) from
432  * Return: 0 on success, -EINVAL if the property does not exist,
433  * -ENODATA if property does not have a value, and -EOVERFLOW if the
451  * of_property_read_u16_array - Find and read an array of u16 from a property.
458  * Search for a property in a device node and read 16-bit value(s) from
464  * Return: 0 on success, -EINVAL if the property does not exist,
465  * -ENODATA if property does not have a value, and -EOVERFLOW if the
483  * of_property_read_u32_array - Find and read an array of 32 bit integers
491  * Search for a property in a device node and read 32-bit value(s) from
494  * Return: 0 on success, -EINVAL if the property does not exist,
495  * -ENODATA if property does not have a value, and -EOVERFLOW if the
513  * of_property_read_u64_array - Find and read an array of 64 bit integers
521  * Search for a property in a device node and read 64-bit value(s) from
524  * Return: 0 on success, -EINVAL if the property does not exist,
525  * -ENODATA if property does not have a value, and -EOVERFLOW if the
606 	return "<no-node>";  in of_node_full_name()
733 	return -ENOSYS;  in of_property_count_elems_of_size()
739 	return -ENOSYS;  in of_property_read_u8_array()
745 	return -ENOSYS;  in of_property_read_u16_array()
752 	return -ENOSYS;  in of_property_read_u32_array()
759 	return -ENOSYS;  in of_property_read_u64_array()
765 	return -ENOSYS;  in of_property_read_u32_index()
771 	return -ENOSYS;  in of_property_read_u64_index()
812 	return -ENOSYS;  in of_property_read_variable_u8_array()
819 	return -ENOSYS;  in of_property_read_variable_u16_array()
828 	return -ENOSYS;  in of_property_read_variable_u32_array()
834 	return -ENOSYS;  in of_property_read_u64()
843 	return -ENOSYS;  in of_property_read_variable_u64_array()
850 	return -ENOSYS;  in of_property_read_string()
857 	return -ENOSYS;  in of_property_match_string()
864 	return -ENOSYS;  in of_property_read_string_helper()
880 	return -ENOSYS;  in of_parse_phandle_with_args()
889 	return -ENOSYS;  in of_parse_phandle_with_args_map()
896 	return -ENOSYS;  in of_parse_phandle_with_fixed_args()
903 	return -ENOSYS;  in of_count_phandle_with_args()
912 	return -ENOSYS;  in of_phandle_iterator_init()
917 	return -ENOSYS;  in of_phandle_iterator_next()
929 	return -ENOSYS;  in of_alias_get_id()
934 	return -ENOSYS;  in of_alias_get_highest_id()
941 	return -ENOSYS;  in of_alias_get_alias_list()
1010 	return -ENODEV;  in of_cpu_node_to_id()
1017 	return -EINVAL;  in of_map_id()
1038 	return p1->length == p2->length &&  in of_prop_val_eq()
1039 	       !memcmp(p1->value, p2->value, (size_t)p1->length);  in of_prop_val_eq()
1056 	return -ENOSYS;  in of_numa_init()
1080  * of_property_count_u8_elems - Count the number of u8 elements in a property
1088  * Return: The number of elements on sucess, -EINVAL if the property does
1089  * not exist or its length does not match a multiple of u8 and -ENODATA if the
1099  * of_property_count_u16_elems - Count the number of u16 elements in a property
1107  * Return: The number of elements on sucess, -EINVAL if the property does
1108  * not exist or its length does not match a multiple of u16 and -ENODATA if the
1118  * of_property_count_u32_elems - Count the number of u32 elements in a property
1126  * Return: The number of elements on sucess, -EINVAL if the property does
1127  * not exist or its length does not match a multiple of u32 and -ENODATA if the
1137  * of_property_count_u64_elems - Count the number of u64 elements in a property
1145  * Return: The number of elements on sucess, -EINVAL if the property does
1146  * not exist or its length does not match a multiple of u64 and -ENODATA if the
1156  * of_property_read_string_array() - Read an array of strings from a multiple
1157  * strings property.
1166  * Return: If @out_strs is NULL, the number of strings in the property is returned.
1176  * of_property_count_strings() - Find and return the number of strings from a
1177  * multiple strings property.
1184  * Return: The number of strings on success, -EINVAL if the property does not
1185  * exist, -ENODATA if property does not have a value, and -EILSEQ if the string
1186  * is not null-terminated within the length of the property data.
1195  * of_property_read_string_index() - Find and read a string from a multiple
1196  * strings property.
1199  * @index:	index of the string in the list of strings
1204  * terminated string value (pointer to data, not a copy) in the list of strings
1207  * Return: 0 on success, -EINVAL if the property does not exist, -ENODATA if
1208  * property does not have a value, and -EILSEQ if the string is not
1209  * null-terminated within the length of the property data.
1222  * of_property_read_bool - Find a property
1318 	int num = 0;  in of_get_child_count()  local
1321 		num++;  in of_get_child_count()
1323 	return num;  in of_get_child_count()
1329 	int num = 0;  in of_get_available_child_count()  local
1332 		num++;  in of_get_available_child_count()
1334 	return num;  in of_get_available_child_count()
1367  * struct of_changeset_entry	- Holds a changeset entry
1389  * struct of_changeset - changeset tracker structure
1394  * live tree. In case of an error, changes are rolled-back.
1455 	return -EINVAL;  in of_reconfig_notifier_register()
1459 	return -EINVAL;  in of_reconfig_notifier_unregister()
1464 	return -EINVAL;  in of_reconfig_notify()
1469 	return -EINVAL;  in of_reconfig_get_state_change()
1474  * of_device_is_system_power_controller - Tells if system-power-controller is found for device_node
1481 	return of_property_read_bool(np, "system-power-controller");  in of_device_is_system_power_controller()
1515 	return -ENOTSUPP;  in of_overlay_fdt_apply()
1520 	return -ENOTSUPP;  in of_overlay_remove()
1525 	return -ENOTSUPP;  in of_overlay_remove_all()