1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3 * property.h - Unified device property interface.
4 *
5 * Copyright (C) 2014, Intel Corporation
6 * Authors: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
7 * Mika Westerberg <mika.westerberg@linux.intel.com>
8 */
9
10 #ifndef _LINUX_PROPERTY_H_
11 #define _LINUX_PROPERTY_H_
12
13 #include <linux/bits.h>
14 #include <linux/fwnode.h>
15 #include <linux/stddef.h>
16 #include <linux/types.h>
17
18 struct device;
19
20 enum dev_prop_type {
21 DEV_PROP_U8,
22 DEV_PROP_U16,
23 DEV_PROP_U32,
24 DEV_PROP_U64,
25 DEV_PROP_STRING,
26 DEV_PROP_REF,
27 };
28
29 enum dev_dma_attr {
30 DEV_DMA_NOT_SUPPORTED,
31 DEV_DMA_NON_COHERENT,
32 DEV_DMA_COHERENT,
33 };
34
35 const struct fwnode_handle *__dev_fwnode_const(const struct device *dev);
36 struct fwnode_handle *__dev_fwnode(struct device *dev);
37 #define dev_fwnode(dev) \
38 _Generic((dev), \
39 const struct device *: __dev_fwnode_const, \
40 struct device *: __dev_fwnode)(dev)
41
42 bool device_property_present(const struct device *dev, const char *propname);
43 int device_property_read_u8_array(const struct device *dev, const char *propname,
44 u8 *val, size_t nval);
45 int device_property_read_u16_array(const struct device *dev, const char *propname,
46 u16 *val, size_t nval);
47 int device_property_read_u32_array(const struct device *dev, const char *propname,
48 u32 *val, size_t nval);
49 int device_property_read_u64_array(const struct device *dev, const char *propname,
50 u64 *val, size_t nval);
51 int device_property_read_string_array(const struct device *dev, const char *propname,
52 const char **val, size_t nval);
53 int device_property_read_string(const struct device *dev, const char *propname,
54 const char **val);
55 int device_property_match_string(const struct device *dev,
56 const char *propname, const char *string);
57
58 bool fwnode_property_present(const struct fwnode_handle *fwnode,
59 const char *propname);
60 int fwnode_property_read_u8_array(const struct fwnode_handle *fwnode,
61 const char *propname, u8 *val,
62 size_t nval);
63 int fwnode_property_read_u16_array(const struct fwnode_handle *fwnode,
64 const char *propname, u16 *val,
65 size_t nval);
66 int fwnode_property_read_u32_array(const struct fwnode_handle *fwnode,
67 const char *propname, u32 *val,
68 size_t nval);
69 int fwnode_property_read_u64_array(const struct fwnode_handle *fwnode,
70 const char *propname, u64 *val,
71 size_t nval);
72 int fwnode_property_read_string_array(const struct fwnode_handle *fwnode,
73 const char *propname, const char **val,
74 size_t nval);
75 int fwnode_property_read_string(const struct fwnode_handle *fwnode,
76 const char *propname, const char **val);
77 int fwnode_property_match_string(const struct fwnode_handle *fwnode,
78 const char *propname, const char *string);
79
80 bool fwnode_device_is_available(const struct fwnode_handle *fwnode);
81
fwnode_device_is_big_endian(const struct fwnode_handle * fwnode)82 static inline bool fwnode_device_is_big_endian(const struct fwnode_handle *fwnode)
83 {
84 if (fwnode_property_present(fwnode, "big-endian"))
85 return true;
86 if (IS_ENABLED(CONFIG_CPU_BIG_ENDIAN) &&
87 fwnode_property_present(fwnode, "native-endian"))
88 return true;
89 return false;
90 }
91
92 static inline
fwnode_device_is_compatible(const struct fwnode_handle * fwnode,const char * compat)93 bool fwnode_device_is_compatible(const struct fwnode_handle *fwnode, const char *compat)
94 {
95 return fwnode_property_match_string(fwnode, "compatible", compat) >= 0;
96 }
97
98 /**
99 * device_is_big_endian - check if a device has BE registers
100 * @dev: Pointer to the struct device
101 *
102 * Returns: true if the device has a "big-endian" property, or if the kernel
103 * was compiled for BE *and* the device has a "native-endian" property.
104 * Returns false otherwise.
105 *
106 * Callers would nominally use ioread32be/iowrite32be if
107 * device_is_big_endian() == true, or readl/writel otherwise.
108 */
device_is_big_endian(const struct device * dev)109 static inline bool device_is_big_endian(const struct device *dev)
110 {
111 return fwnode_device_is_big_endian(dev_fwnode(dev));
112 }
113
114 /**
115 * device_is_compatible - match 'compatible' property of the device with a given string
116 * @dev: Pointer to the struct device
117 * @compat: The string to match 'compatible' property with
118 *
119 * Returns: true if matches, otherwise false.
120 */
device_is_compatible(const struct device * dev,const char * compat)121 static inline bool device_is_compatible(const struct device *dev, const char *compat)
122 {
123 return fwnode_device_is_compatible(dev_fwnode(dev), compat);
124 }
125
126 int fwnode_property_get_reference_args(const struct fwnode_handle *fwnode,
127 const char *prop, const char *nargs_prop,
128 unsigned int nargs, unsigned int index,
129 struct fwnode_reference_args *args);
130
131 struct fwnode_handle *fwnode_find_reference(const struct fwnode_handle *fwnode,
132 const char *name,
133 unsigned int index);
134
135 const char *fwnode_get_name(const struct fwnode_handle *fwnode);
136 const char *fwnode_get_name_prefix(const struct fwnode_handle *fwnode);
137
138 struct fwnode_handle *fwnode_get_parent(const struct fwnode_handle *fwnode);
139 struct fwnode_handle *fwnode_get_next_parent(struct fwnode_handle *fwnode);
140
141 #define fwnode_for_each_parent_node(fwnode, parent) \
142 for (parent = fwnode_get_parent(fwnode); parent; \
143 parent = fwnode_get_next_parent(parent))
144
145 struct device *fwnode_get_next_parent_dev(const struct fwnode_handle *fwnode);
146 unsigned int fwnode_count_parents(const struct fwnode_handle *fwn);
147 struct fwnode_handle *fwnode_get_nth_parent(struct fwnode_handle *fwn,
148 unsigned int depth);
149 bool fwnode_is_ancestor_of(const struct fwnode_handle *ancestor, const struct fwnode_handle *child);
150 struct fwnode_handle *fwnode_get_next_child_node(
151 const struct fwnode_handle *fwnode, struct fwnode_handle *child);
152 struct fwnode_handle *fwnode_get_next_available_child_node(
153 const struct fwnode_handle *fwnode, struct fwnode_handle *child);
154
155 #define fwnode_for_each_child_node(fwnode, child) \
156 for (child = fwnode_get_next_child_node(fwnode, NULL); child; \
157 child = fwnode_get_next_child_node(fwnode, child))
158
159 #define fwnode_for_each_available_child_node(fwnode, child) \
160 for (child = fwnode_get_next_available_child_node(fwnode, NULL); child;\
161 child = fwnode_get_next_available_child_node(fwnode, child))
162
163 struct fwnode_handle *device_get_next_child_node(const struct device *dev,
164 struct fwnode_handle *child);
165
166 #define device_for_each_child_node(dev, child) \
167 for (child = device_get_next_child_node(dev, NULL); child; \
168 child = device_get_next_child_node(dev, child))
169
170 struct fwnode_handle *fwnode_get_named_child_node(const struct fwnode_handle *fwnode,
171 const char *childname);
172 struct fwnode_handle *device_get_named_child_node(const struct device *dev,
173 const char *childname);
174
175 struct fwnode_handle *fwnode_handle_get(struct fwnode_handle *fwnode);
176 void fwnode_handle_put(struct fwnode_handle *fwnode);
177
178 int fwnode_irq_get(const struct fwnode_handle *fwnode, unsigned int index);
179 int fwnode_irq_get_byname(const struct fwnode_handle *fwnode, const char *name);
180
181 unsigned int device_get_child_node_count(const struct device *dev);
182
device_property_read_bool(const struct device * dev,const char * propname)183 static inline bool device_property_read_bool(const struct device *dev,
184 const char *propname)
185 {
186 return device_property_present(dev, propname);
187 }
188
device_property_read_u8(const struct device * dev,const char * propname,u8 * val)189 static inline int device_property_read_u8(const struct device *dev,
190 const char *propname, u8 *val)
191 {
192 return device_property_read_u8_array(dev, propname, val, 1);
193 }
194
device_property_read_u16(const struct device * dev,const char * propname,u16 * val)195 static inline int device_property_read_u16(const struct device *dev,
196 const char *propname, u16 *val)
197 {
198 return device_property_read_u16_array(dev, propname, val, 1);
199 }
200
device_property_read_u32(const struct device * dev,const char * propname,u32 * val)201 static inline int device_property_read_u32(const struct device *dev,
202 const char *propname, u32 *val)
203 {
204 return device_property_read_u32_array(dev, propname, val, 1);
205 }
206
device_property_read_u64(const struct device * dev,const char * propname,u64 * val)207 static inline int device_property_read_u64(const struct device *dev,
208 const char *propname, u64 *val)
209 {
210 return device_property_read_u64_array(dev, propname, val, 1);
211 }
212
device_property_count_u8(const struct device * dev,const char * propname)213 static inline int device_property_count_u8(const struct device *dev, const char *propname)
214 {
215 return device_property_read_u8_array(dev, propname, NULL, 0);
216 }
217
device_property_count_u16(const struct device * dev,const char * propname)218 static inline int device_property_count_u16(const struct device *dev, const char *propname)
219 {
220 return device_property_read_u16_array(dev, propname, NULL, 0);
221 }
222
device_property_count_u32(const struct device * dev,const char * propname)223 static inline int device_property_count_u32(const struct device *dev, const char *propname)
224 {
225 return device_property_read_u32_array(dev, propname, NULL, 0);
226 }
227
device_property_count_u64(const struct device * dev,const char * propname)228 static inline int device_property_count_u64(const struct device *dev, const char *propname)
229 {
230 return device_property_read_u64_array(dev, propname, NULL, 0);
231 }
232
device_property_string_array_count(const struct device * dev,const char * propname)233 static inline int device_property_string_array_count(const struct device *dev,
234 const char *propname)
235 {
236 return device_property_read_string_array(dev, propname, NULL, 0);
237 }
238
fwnode_property_read_bool(const struct fwnode_handle * fwnode,const char * propname)239 static inline bool fwnode_property_read_bool(const struct fwnode_handle *fwnode,
240 const char *propname)
241 {
242 return fwnode_property_present(fwnode, propname);
243 }
244
fwnode_property_read_u8(const struct fwnode_handle * fwnode,const char * propname,u8 * val)245 static inline int fwnode_property_read_u8(const struct fwnode_handle *fwnode,
246 const char *propname, u8 *val)
247 {
248 return fwnode_property_read_u8_array(fwnode, propname, val, 1);
249 }
250
fwnode_property_read_u16(const struct fwnode_handle * fwnode,const char * propname,u16 * val)251 static inline int fwnode_property_read_u16(const struct fwnode_handle *fwnode,
252 const char *propname, u16 *val)
253 {
254 return fwnode_property_read_u16_array(fwnode, propname, val, 1);
255 }
256
fwnode_property_read_u32(const struct fwnode_handle * fwnode,const char * propname,u32 * val)257 static inline int fwnode_property_read_u32(const struct fwnode_handle *fwnode,
258 const char *propname, u32 *val)
259 {
260 return fwnode_property_read_u32_array(fwnode, propname, val, 1);
261 }
262
fwnode_property_read_u64(const struct fwnode_handle * fwnode,const char * propname,u64 * val)263 static inline int fwnode_property_read_u64(const struct fwnode_handle *fwnode,
264 const char *propname, u64 *val)
265 {
266 return fwnode_property_read_u64_array(fwnode, propname, val, 1);
267 }
268
fwnode_property_count_u8(const struct fwnode_handle * fwnode,const char * propname)269 static inline int fwnode_property_count_u8(const struct fwnode_handle *fwnode,
270 const char *propname)
271 {
272 return fwnode_property_read_u8_array(fwnode, propname, NULL, 0);
273 }
274
fwnode_property_count_u16(const struct fwnode_handle * fwnode,const char * propname)275 static inline int fwnode_property_count_u16(const struct fwnode_handle *fwnode,
276 const char *propname)
277 {
278 return fwnode_property_read_u16_array(fwnode, propname, NULL, 0);
279 }
280
fwnode_property_count_u32(const struct fwnode_handle * fwnode,const char * propname)281 static inline int fwnode_property_count_u32(const struct fwnode_handle *fwnode,
282 const char *propname)
283 {
284 return fwnode_property_read_u32_array(fwnode, propname, NULL, 0);
285 }
286
fwnode_property_count_u64(const struct fwnode_handle * fwnode,const char * propname)287 static inline int fwnode_property_count_u64(const struct fwnode_handle *fwnode,
288 const char *propname)
289 {
290 return fwnode_property_read_u64_array(fwnode, propname, NULL, 0);
291 }
292
293 static inline int
fwnode_property_string_array_count(const struct fwnode_handle * fwnode,const char * propname)294 fwnode_property_string_array_count(const struct fwnode_handle *fwnode,
295 const char *propname)
296 {
297 return fwnode_property_read_string_array(fwnode, propname, NULL, 0);
298 }
299
300 struct software_node;
301
302 /**
303 * struct software_node_ref_args - Reference property with additional arguments
304 * @node: Reference to a software node
305 * @nargs: Number of elements in @args array
306 * @args: Integer arguments
307 */
308 struct software_node_ref_args {
309 const struct software_node *node;
310 unsigned int nargs;
311 u64 args[NR_FWNODE_REFERENCE_ARGS];
312 };
313
314 #define SOFTWARE_NODE_REFERENCE(_ref_, ...) \
315 (const struct software_node_ref_args) { \
316 .node = _ref_, \
317 .nargs = ARRAY_SIZE(((u64[]){ 0, ##__VA_ARGS__ })) - 1, \
318 .args = { __VA_ARGS__ }, \
319 }
320
321 /**
322 * struct property_entry - "Built-in" device property representation.
323 * @name: Name of the property.
324 * @length: Length of data making up the value.
325 * @is_inline: True when the property value is stored inline.
326 * @type: Type of the data in unions.
327 * @pointer: Pointer to the property when it is not stored inline.
328 * @value: Value of the property when it is stored inline.
329 */
330 struct property_entry {
331 const char *name;
332 size_t length;
333 bool is_inline;
334 enum dev_prop_type type;
335 union {
336 const void *pointer;
337 union {
338 u8 u8_data[sizeof(u64) / sizeof(u8)];
339 u16 u16_data[sizeof(u64) / sizeof(u16)];
340 u32 u32_data[sizeof(u64) / sizeof(u32)];
341 u64 u64_data[sizeof(u64) / sizeof(u64)];
342 const char *str[sizeof(u64) / sizeof(char *)];
343 } value;
344 };
345 };
346
347 /*
348 * Note: the below initializers for the anonymous union are carefully
349 * crafted to avoid gcc-4.4.4's problems with initialization of anon unions
350 * and structs.
351 */
352 #define __PROPERTY_ENTRY_ARRAY_LEN(_name_, _elem_, _Type_, _val_, _len_) \
353 (struct property_entry) { \
354 .name = _name_, \
355 .length = (_len_) * sizeof_field(struct property_entry, value._elem_[0]), \
356 .type = DEV_PROP_##_Type_, \
357 { .pointer = _val_ }, \
358 }
359
360 #define PROPERTY_ENTRY_U8_ARRAY_LEN(_name_, _val_, _len_) \
361 __PROPERTY_ENTRY_ARRAY_LEN(_name_, u8_data, U8, _val_, _len_)
362 #define PROPERTY_ENTRY_U16_ARRAY_LEN(_name_, _val_, _len_) \
363 __PROPERTY_ENTRY_ARRAY_LEN(_name_, u16_data, U16, _val_, _len_)
364 #define PROPERTY_ENTRY_U32_ARRAY_LEN(_name_, _val_, _len_) \
365 __PROPERTY_ENTRY_ARRAY_LEN(_name_, u32_data, U32, _val_, _len_)
366 #define PROPERTY_ENTRY_U64_ARRAY_LEN(_name_, _val_, _len_) \
367 __PROPERTY_ENTRY_ARRAY_LEN(_name_, u64_data, U64, _val_, _len_)
368 #define PROPERTY_ENTRY_STRING_ARRAY_LEN(_name_, _val_, _len_) \
369 __PROPERTY_ENTRY_ARRAY_LEN(_name_, str, STRING, _val_, _len_)
370
371 #define PROPERTY_ENTRY_REF_ARRAY_LEN(_name_, _val_, _len_) \
372 (struct property_entry) { \
373 .name = _name_, \
374 .length = (_len_) * sizeof(struct software_node_ref_args), \
375 .type = DEV_PROP_REF, \
376 { .pointer = _val_ }, \
377 }
378
379 #define PROPERTY_ENTRY_U8_ARRAY(_name_, _val_) \
380 PROPERTY_ENTRY_U8_ARRAY_LEN(_name_, _val_, ARRAY_SIZE(_val_))
381 #define PROPERTY_ENTRY_U16_ARRAY(_name_, _val_) \
382 PROPERTY_ENTRY_U16_ARRAY_LEN(_name_, _val_, ARRAY_SIZE(_val_))
383 #define PROPERTY_ENTRY_U32_ARRAY(_name_, _val_) \
384 PROPERTY_ENTRY_U32_ARRAY_LEN(_name_, _val_, ARRAY_SIZE(_val_))
385 #define PROPERTY_ENTRY_U64_ARRAY(_name_, _val_) \
386 PROPERTY_ENTRY_U64_ARRAY_LEN(_name_, _val_, ARRAY_SIZE(_val_))
387 #define PROPERTY_ENTRY_STRING_ARRAY(_name_, _val_) \
388 PROPERTY_ENTRY_STRING_ARRAY_LEN(_name_, _val_, ARRAY_SIZE(_val_))
389 #define PROPERTY_ENTRY_REF_ARRAY(_name_, _val_) \
390 PROPERTY_ENTRY_REF_ARRAY_LEN(_name_, _val_, ARRAY_SIZE(_val_))
391
392 #define __PROPERTY_ENTRY_ELEMENT(_name_, _elem_, _Type_, _val_) \
393 (struct property_entry) { \
394 .name = _name_, \
395 .length = sizeof_field(struct property_entry, value._elem_[0]), \
396 .is_inline = true, \
397 .type = DEV_PROP_##_Type_, \
398 { .value = { ._elem_[0] = _val_ } }, \
399 }
400
401 #define PROPERTY_ENTRY_U8(_name_, _val_) \
402 __PROPERTY_ENTRY_ELEMENT(_name_, u8_data, U8, _val_)
403 #define PROPERTY_ENTRY_U16(_name_, _val_) \
404 __PROPERTY_ENTRY_ELEMENT(_name_, u16_data, U16, _val_)
405 #define PROPERTY_ENTRY_U32(_name_, _val_) \
406 __PROPERTY_ENTRY_ELEMENT(_name_, u32_data, U32, _val_)
407 #define PROPERTY_ENTRY_U64(_name_, _val_) \
408 __PROPERTY_ENTRY_ELEMENT(_name_, u64_data, U64, _val_)
409 #define PROPERTY_ENTRY_STRING(_name_, _val_) \
410 __PROPERTY_ENTRY_ELEMENT(_name_, str, STRING, _val_)
411
412 #define PROPERTY_ENTRY_REF(_name_, _ref_, ...) \
413 (struct property_entry) { \
414 .name = _name_, \
415 .length = sizeof(struct software_node_ref_args), \
416 .type = DEV_PROP_REF, \
417 { .pointer = &SOFTWARE_NODE_REFERENCE(_ref_, ##__VA_ARGS__), }, \
418 }
419
420 #define PROPERTY_ENTRY_BOOL(_name_) \
421 (struct property_entry) { \
422 .name = _name_, \
423 .is_inline = true, \
424 }
425
426 struct property_entry *
427 property_entries_dup(const struct property_entry *properties);
428 void property_entries_free(const struct property_entry *properties);
429
430 bool device_dma_supported(const struct device *dev);
431 enum dev_dma_attr device_get_dma_attr(const struct device *dev);
432
433 const void *device_get_match_data(const struct device *dev);
434
435 int device_get_phy_mode(struct device *dev);
436 int fwnode_get_phy_mode(const struct fwnode_handle *fwnode);
437
438 void __iomem *fwnode_iomap(struct fwnode_handle *fwnode, int index);
439
440 struct fwnode_handle *fwnode_graph_get_next_endpoint(
441 const struct fwnode_handle *fwnode, struct fwnode_handle *prev);
442 struct fwnode_handle *
443 fwnode_graph_get_port_parent(const struct fwnode_handle *fwnode);
444 struct fwnode_handle *fwnode_graph_get_remote_port_parent(
445 const struct fwnode_handle *fwnode);
446 struct fwnode_handle *fwnode_graph_get_remote_port(
447 const struct fwnode_handle *fwnode);
448 struct fwnode_handle *fwnode_graph_get_remote_endpoint(
449 const struct fwnode_handle *fwnode);
450
fwnode_graph_is_endpoint(const struct fwnode_handle * fwnode)451 static inline bool fwnode_graph_is_endpoint(const struct fwnode_handle *fwnode)
452 {
453 return fwnode_property_present(fwnode, "remote-endpoint");
454 }
455
456 /*
457 * Fwnode lookup flags
458 *
459 * @FWNODE_GRAPH_ENDPOINT_NEXT: In the case of no exact match, look for the
460 * closest endpoint ID greater than the specified
461 * one.
462 * @FWNODE_GRAPH_DEVICE_DISABLED: That the device to which the remote
463 * endpoint of the given endpoint belongs to,
464 * may be disabled, or that the endpoint is not
465 * connected.
466 */
467 #define FWNODE_GRAPH_ENDPOINT_NEXT BIT(0)
468 #define FWNODE_GRAPH_DEVICE_DISABLED BIT(1)
469
470 struct fwnode_handle *
471 fwnode_graph_get_endpoint_by_id(const struct fwnode_handle *fwnode,
472 u32 port, u32 endpoint, unsigned long flags);
473 unsigned int fwnode_graph_get_endpoint_count(const struct fwnode_handle *fwnode,
474 unsigned long flags);
475
476 #define fwnode_graph_for_each_endpoint(fwnode, child) \
477 for (child = fwnode_graph_get_next_endpoint(fwnode, NULL); child; \
478 child = fwnode_graph_get_next_endpoint(fwnode, child))
479
480 int fwnode_graph_parse_endpoint(const struct fwnode_handle *fwnode,
481 struct fwnode_endpoint *endpoint);
482
483 typedef void *(*devcon_match_fn_t)(const struct fwnode_handle *fwnode, const char *id,
484 void *data);
485
486 void *fwnode_connection_find_match(const struct fwnode_handle *fwnode,
487 const char *con_id, void *data,
488 devcon_match_fn_t match);
489
device_connection_find_match(const struct device * dev,const char * con_id,void * data,devcon_match_fn_t match)490 static inline void *device_connection_find_match(const struct device *dev,
491 const char *con_id, void *data,
492 devcon_match_fn_t match)
493 {
494 return fwnode_connection_find_match(dev_fwnode(dev), con_id, data, match);
495 }
496
497 int fwnode_connection_find_matches(const struct fwnode_handle *fwnode,
498 const char *con_id, void *data,
499 devcon_match_fn_t match,
500 void **matches, unsigned int matches_len);
501
502 /* -------------------------------------------------------------------------- */
503 /* Software fwnode support - when HW description is incomplete or missing */
504
505 /**
506 * struct software_node - Software node description
507 * @name: Name of the software node
508 * @parent: Parent of the software node
509 * @properties: Array of device properties
510 */
511 struct software_node {
512 const char *name;
513 const struct software_node *parent;
514 const struct property_entry *properties;
515 };
516
517 bool is_software_node(const struct fwnode_handle *fwnode);
518 const struct software_node *
519 to_software_node(const struct fwnode_handle *fwnode);
520 struct fwnode_handle *software_node_fwnode(const struct software_node *node);
521
522 const struct software_node *
523 software_node_find_by_name(const struct software_node *parent,
524 const char *name);
525
526 int software_node_register_node_group(const struct software_node **node_group);
527 void software_node_unregister_node_group(const struct software_node **node_group);
528
529 int software_node_register(const struct software_node *node);
530 void software_node_unregister(const struct software_node *node);
531
532 struct fwnode_handle *
533 fwnode_create_software_node(const struct property_entry *properties,
534 const struct fwnode_handle *parent);
535 void fwnode_remove_software_node(struct fwnode_handle *fwnode);
536
537 int device_add_software_node(struct device *dev, const struct software_node *node);
538 void device_remove_software_node(struct device *dev);
539
540 int device_create_managed_software_node(struct device *dev,
541 const struct property_entry *properties,
542 const struct software_node *parent);
543
544 #endif /* _LINUX_PROPERTY_H_ */
545