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76c1ce78 SR |
1 | #ifndef _LINUX_OF_H |
2 | #define _LINUX_OF_H | |
3 | /* | |
4 | * Definitions for talking to the Open Firmware PROM on | |
5 | * Power Macintosh and other computers. | |
6 | * | |
7 | * Copyright (C) 1996-2005 Paul Mackerras. | |
8 | * | |
9 | * Updates for PPC64 by Peter Bergner & David Engebretsen, IBM Corp. | |
10 | * Updates for SPARC64 by David S. Miller | |
11 | * Derived from PowerPC and Sparc prom.h files by Stephen Rothwell, IBM Corp. | |
12 | * | |
13 | * This program is free software; you can redistribute it and/or | |
14 | * modify it under the terms of the GNU General Public License | |
15 | * as published by the Free Software Foundation; either version | |
16 | * 2 of the License, or (at your option) any later version. | |
17 | */ | |
18 | #include <linux/types.h> | |
1977f032 | 19 | #include <linux/bitops.h> |
e51130c0 | 20 | #include <linux/errno.h> |
75b57ecf | 21 | #include <linux/kobject.h> |
283029d1 | 22 | #include <linux/mod_devicetable.h> |
0d351c3e | 23 | #include <linux/spinlock.h> |
5ca4db61 | 24 | #include <linux/topology.h> |
1cf3d8b3 | 25 | #include <linux/notifier.h> |
b31384fa | 26 | #include <linux/property.h> |
7518b589 | 27 | #include <linux/list.h> |
76c1ce78 | 28 | |
2e89e685 | 29 | #include <asm/byteorder.h> |
d0a99402 | 30 | #include <asm/errno.h> |
2e89e685 | 31 | |
731581e6 GL |
32 | typedef u32 phandle; |
33 | typedef u32 ihandle; | |
34 | ||
35 | struct property { | |
36 | char *name; | |
37 | int length; | |
38 | void *value; | |
39 | struct property *next; | |
40 | unsigned long _flags; | |
41 | unsigned int unique_id; | |
75b57ecf | 42 | struct bin_attribute attr; |
731581e6 GL |
43 | }; |
44 | ||
6f192492 GL |
45 | #if defined(CONFIG_SPARC) |
46 | struct of_irq_controller; | |
47 | #endif | |
48 | ||
49 | struct device_node { | |
50 | const char *name; | |
51 | const char *type; | |
6016a363 | 52 | phandle phandle; |
c22618a1 | 53 | const char *full_name; |
8a0662d9 | 54 | struct fwnode_handle fwnode; |
6f192492 GL |
55 | |
56 | struct property *properties; | |
57 | struct property *deadprops; /* removed properties */ | |
58 | struct device_node *parent; | |
59 | struct device_node *child; | |
60 | struct device_node *sibling; | |
75b57ecf | 61 | struct kobject kobj; |
6f192492 GL |
62 | unsigned long _flags; |
63 | void *data; | |
64 | #if defined(CONFIG_SPARC) | |
c22618a1 | 65 | const char *path_component_name; |
6f192492 GL |
66 | unsigned int unique_id; |
67 | struct of_irq_controller *irq_trans; | |
68 | #endif | |
69 | }; | |
70 | ||
b66548e2 | 71 | #define MAX_PHANDLE_ARGS 16 |
15c9a0ac GL |
72 | struct of_phandle_args { |
73 | struct device_node *np; | |
74 | int args_count; | |
75 | uint32_t args[MAX_PHANDLE_ARGS]; | |
76 | }; | |
77 | ||
f5242e5a GL |
78 | struct of_reconfig_data { |
79 | struct device_node *dn; | |
80 | struct property *prop; | |
81 | struct property *old_prop; | |
82 | }; | |
83 | ||
0829f6d1 PA |
84 | /* initialize a node */ |
85 | extern struct kobj_type of_node_ktype; | |
86 | static inline void of_node_init(struct device_node *node) | |
87 | { | |
88 | kobject_init(&node->kobj, &of_node_ktype); | |
8a0662d9 | 89 | node->fwnode.type = FWNODE_OF; |
0829f6d1 PA |
90 | } |
91 | ||
92 | /* true when node is initialized */ | |
93 | static inline int of_node_is_initialized(struct device_node *node) | |
94 | { | |
95 | return node && node->kobj.state_initialized; | |
96 | } | |
97 | ||
98 | /* true when node is attached (i.e. present on sysfs) */ | |
99 | static inline int of_node_is_attached(struct device_node *node) | |
100 | { | |
101 | return node && node->kobj.state_in_sysfs; | |
102 | } | |
103 | ||
0f22dd39 GL |
104 | #ifdef CONFIG_OF_DYNAMIC |
105 | extern struct device_node *of_node_get(struct device_node *node); | |
106 | extern void of_node_put(struct device_node *node); | |
107 | #else /* CONFIG_OF_DYNAMIC */ | |
3ecdd051 RH |
108 | /* Dummy ref counting routines - to be implemented later */ |
109 | static inline struct device_node *of_node_get(struct device_node *node) | |
110 | { | |
111 | return node; | |
112 | } | |
0f22dd39 GL |
113 | static inline void of_node_put(struct device_node *node) { } |
114 | #endif /* !CONFIG_OF_DYNAMIC */ | |
3ecdd051 | 115 | |
41f88009 | 116 | /* Pointer for first entry in chain of all nodes. */ |
5063e25a | 117 | extern struct device_node *of_root; |
fc0bdae4 | 118 | extern struct device_node *of_chosen; |
611cad72 | 119 | extern struct device_node *of_aliases; |
a752ee56 | 120 | extern struct device_node *of_stdout; |
d6d3c4e6 | 121 | extern raw_spinlock_t devtree_lock; |
41f88009 | 122 | |
391b459d PA |
123 | /* flag descriptions (need to be visible even when !CONFIG_OF) */ |
124 | #define OF_DYNAMIC 1 /* node and properties were allocated via kmalloc */ | |
125 | #define OF_DETACHED 2 /* node has been detached from the device tree */ | |
126 | #define OF_POPULATED 3 /* device already created for the node */ | |
127 | #define OF_POPULATED_BUS 4 /* of_platform_populate recursed to children of this node */ | |
128 | ||
6d09dc6b | 129 | #ifdef CONFIG_OF |
194ec936 SH |
130 | void of_core_init(void); |
131 | ||
8a0662d9 RW |
132 | static inline bool is_of_node(struct fwnode_handle *fwnode) |
133 | { | |
134 | return fwnode && fwnode->type == FWNODE_OF; | |
135 | } | |
136 | ||
c181fb3e | 137 | static inline struct device_node *to_of_node(struct fwnode_handle *fwnode) |
8a0662d9 RW |
138 | { |
139 | return fwnode ? container_of(fwnode, struct device_node, fwnode) : NULL; | |
140 | } | |
141 | ||
3bcbaf6e SAS |
142 | static inline bool of_have_populated_dt(void) |
143 | { | |
5063e25a | 144 | return of_root != NULL; |
3bcbaf6e SAS |
145 | } |
146 | ||
035ebefc AS |
147 | static inline bool of_node_is_root(const struct device_node *node) |
148 | { | |
149 | return node && (node->parent == NULL); | |
150 | } | |
151 | ||
50436312 GL |
152 | static inline int of_node_check_flag(struct device_node *n, unsigned long flag) |
153 | { | |
154 | return test_bit(flag, &n->_flags); | |
155 | } | |
156 | ||
c6e126de PM |
157 | static inline int of_node_test_and_set_flag(struct device_node *n, |
158 | unsigned long flag) | |
159 | { | |
160 | return test_and_set_bit(flag, &n->_flags); | |
161 | } | |
162 | ||
50436312 GL |
163 | static inline void of_node_set_flag(struct device_node *n, unsigned long flag) |
164 | { | |
165 | set_bit(flag, &n->_flags); | |
166 | } | |
167 | ||
588453c6 PA |
168 | static inline void of_node_clear_flag(struct device_node *n, unsigned long flag) |
169 | { | |
170 | clear_bit(flag, &n->_flags); | |
171 | } | |
172 | ||
173 | static inline int of_property_check_flag(struct property *p, unsigned long flag) | |
174 | { | |
175 | return test_bit(flag, &p->_flags); | |
176 | } | |
177 | ||
178 | static inline void of_property_set_flag(struct property *p, unsigned long flag) | |
179 | { | |
180 | set_bit(flag, &p->_flags); | |
181 | } | |
182 | ||
183 | static inline void of_property_clear_flag(struct property *p, unsigned long flag) | |
184 | { | |
185 | clear_bit(flag, &p->_flags); | |
186 | } | |
187 | ||
5063e25a | 188 | extern struct device_node *__of_find_all_nodes(struct device_node *prev); |
e91edcf5 GL |
189 | extern struct device_node *of_find_all_nodes(struct device_node *prev); |
190 | ||
b6caf2ad | 191 | /* |
3d6b8828 | 192 | * OF address retrieval & translation |
b6caf2ad GL |
193 | */ |
194 | ||
195 | /* Helper to read a big number; size is in cells (not bytes) */ | |
2e89e685 | 196 | static inline u64 of_read_number(const __be32 *cell, int size) |
b6caf2ad GL |
197 | { |
198 | u64 r = 0; | |
199 | while (size--) | |
2e89e685 | 200 | r = (r << 32) | be32_to_cpu(*(cell++)); |
b6caf2ad GL |
201 | return r; |
202 | } | |
203 | ||
204 | /* Like of_read_number, but we want an unsigned long result */ | |
2e89e685 | 205 | static inline unsigned long of_read_ulong(const __be32 *cell, int size) |
b6caf2ad | 206 | { |
2be09cb9 GL |
207 | /* toss away upper bits if unsigned long is smaller than u64 */ |
208 | return of_read_number(cell, size); | |
b6caf2ad | 209 | } |
b6caf2ad | 210 | |
b5b4bb3f | 211 | #if defined(CONFIG_SPARC) |
76c1ce78 | 212 | #include <asm/prom.h> |
b5b4bb3f | 213 | #endif |
76c1ce78 | 214 | |
7c7b60cb GL |
215 | /* Default #address and #size cells. Allow arch asm/prom.h to override */ |
216 | #if !defined(OF_ROOT_NODE_ADDR_CELLS_DEFAULT) | |
217 | #define OF_ROOT_NODE_ADDR_CELLS_DEFAULT 1 | |
218 | #define OF_ROOT_NODE_SIZE_CELLS_DEFAULT 1 | |
219 | #endif | |
220 | ||
221 | /* Default string compare functions, Allow arch asm/prom.h to override */ | |
222 | #if !defined(of_compat_cmp) | |
1976152f | 223 | #define of_compat_cmp(s1, s2, l) strcasecmp((s1), (s2)) |
7c7b60cb GL |
224 | #define of_prop_cmp(s1, s2) strcmp((s1), (s2)) |
225 | #define of_node_cmp(s1, s2) strcasecmp((s1), (s2)) | |
226 | #endif | |
227 | ||
61e955db GL |
228 | #define OF_IS_DYNAMIC(x) test_bit(OF_DYNAMIC, &x->_flags) |
229 | #define OF_MARK_DYNAMIC(x) set_bit(OF_DYNAMIC, &x->_flags) | |
230 | ||
76c1ce78 SR |
231 | #define OF_BAD_ADDR ((u64)-1) |
232 | ||
c0a05bf0 | 233 | static inline const char *of_node_full_name(const struct device_node *np) |
74a7f084 GL |
234 | { |
235 | return np ? np->full_name : "<no-node>"; | |
236 | } | |
237 | ||
5063e25a GL |
238 | #define for_each_of_allnodes_from(from, dn) \ |
239 | for (dn = __of_find_all_nodes(from); dn; dn = __of_find_all_nodes(dn)) | |
240 | #define for_each_of_allnodes(dn) for_each_of_allnodes_from(NULL, dn) | |
76c1ce78 SR |
241 | extern struct device_node *of_find_node_by_name(struct device_node *from, |
242 | const char *name); | |
76c1ce78 SR |
243 | extern struct device_node *of_find_node_by_type(struct device_node *from, |
244 | const char *type); | |
76c1ce78 SR |
245 | extern struct device_node *of_find_compatible_node(struct device_node *from, |
246 | const char *type, const char *compat); | |
50c8af4c SW |
247 | extern struct device_node *of_find_matching_node_and_match( |
248 | struct device_node *from, | |
249 | const struct of_device_id *matches, | |
250 | const struct of_device_id **match); | |
662372e4 | 251 | |
75c28c09 LL |
252 | extern struct device_node *of_find_node_opts_by_path(const char *path, |
253 | const char **opts); | |
254 | static inline struct device_node *of_find_node_by_path(const char *path) | |
255 | { | |
256 | return of_find_node_opts_by_path(path, NULL); | |
257 | } | |
258 | ||
76c1ce78 SR |
259 | extern struct device_node *of_find_node_by_phandle(phandle handle); |
260 | extern struct device_node *of_get_parent(const struct device_node *node); | |
f4eb0107 | 261 | extern struct device_node *of_get_next_parent(struct device_node *node); |
76c1ce78 SR |
262 | extern struct device_node *of_get_next_child(const struct device_node *node, |
263 | struct device_node *prev); | |
3296193d TT |
264 | extern struct device_node *of_get_next_available_child( |
265 | const struct device_node *node, struct device_node *prev); | |
266 | ||
9c19761a SK |
267 | extern struct device_node *of_get_child_by_name(const struct device_node *node, |
268 | const char *name); | |
954e04b9 | 269 | |
a3e31b45 SH |
270 | /* cache lookup */ |
271 | extern struct device_node *of_find_next_cache_node(const struct device_node *); | |
1e291b14 ME |
272 | extern struct device_node *of_find_node_with_property( |
273 | struct device_node *from, const char *prop_name); | |
1e291b14 | 274 | |
76c1ce78 SR |
275 | extern struct property *of_find_property(const struct device_node *np, |
276 | const char *name, | |
277 | int *lenp); | |
ad54a0cf HS |
278 | extern int of_property_count_elems_of_size(const struct device_node *np, |
279 | const char *propname, int elem_size); | |
3daf3726 TP |
280 | extern int of_property_read_u32_index(const struct device_node *np, |
281 | const char *propname, | |
282 | u32 index, u32 *out_value); | |
be193249 VK |
283 | extern int of_property_read_u8_array(const struct device_node *np, |
284 | const char *propname, u8 *out_values, size_t sz); | |
285 | extern int of_property_read_u16_array(const struct device_node *np, | |
286 | const char *propname, u16 *out_values, size_t sz); | |
0e373639 | 287 | extern int of_property_read_u32_array(const struct device_node *np, |
aac285c6 | 288 | const char *propname, |
0e373639 RH |
289 | u32 *out_values, |
290 | size_t sz); | |
4cd7f7a3 JI |
291 | extern int of_property_read_u64(const struct device_node *np, |
292 | const char *propname, u64 *out_value); | |
b31384fa RW |
293 | extern int of_property_read_u64_array(const struct device_node *np, |
294 | const char *propname, | |
295 | u64 *out_values, | |
296 | size_t sz); | |
0e373639 | 297 | |
aac285c6 JI |
298 | extern int of_property_read_string(struct device_node *np, |
299 | const char *propname, | |
300 | const char **out_string); | |
7aff0fe3 GL |
301 | extern int of_property_match_string(struct device_node *np, |
302 | const char *propname, | |
303 | const char *string); | |
a87fa1d8 GL |
304 | extern int of_property_read_string_helper(struct device_node *np, |
305 | const char *propname, | |
306 | const char **out_strs, size_t sz, int index); | |
76c1ce78 SR |
307 | extern int of_device_is_compatible(const struct device_node *device, |
308 | const char *); | |
53a4ab96 | 309 | extern bool of_device_is_available(const struct device_node *device); |
37786c7f | 310 | extern bool of_device_is_big_endian(const struct device_node *device); |
76c1ce78 SR |
311 | extern const void *of_get_property(const struct device_node *node, |
312 | const char *name, | |
313 | int *lenp); | |
183912d3 | 314 | extern struct device_node *of_get_cpu_node(int cpu, unsigned int *thread); |
8af0da93 DA |
315 | #define for_each_property_of_node(dn, pp) \ |
316 | for (pp = dn->properties; pp != NULL; pp = pp->next) | |
611cad72 | 317 | |
76c1ce78 SR |
318 | extern int of_n_addr_cells(struct device_node *np); |
319 | extern int of_n_size_cells(struct device_node *np); | |
283029d1 GL |
320 | extern const struct of_device_id *of_match_node( |
321 | const struct of_device_id *matches, const struct device_node *node); | |
3f07af49 | 322 | extern int of_modalias_node(struct device_node *node, char *modalias, int len); |
624cfca5 | 323 | extern void of_print_phandle_args(const char *msg, const struct of_phandle_args *args); |
b8fbdc42 | 324 | extern struct device_node *of_parse_phandle(const struct device_node *np, |
739649c5 GL |
325 | const char *phandle_name, |
326 | int index); | |
93c667ca | 327 | extern int of_parse_phandle_with_args(const struct device_node *np, |
64b60e09 | 328 | const char *list_name, const char *cells_name, int index, |
15c9a0ac | 329 | struct of_phandle_args *out_args); |
035fd948 SW |
330 | extern int of_parse_phandle_with_fixed_args(const struct device_node *np, |
331 | const char *list_name, int cells_count, int index, | |
332 | struct of_phandle_args *out_args); | |
bd69f73f GL |
333 | extern int of_count_phandle_with_args(const struct device_node *np, |
334 | const char *list_name, const char *cells_name); | |
76c1ce78 | 335 | |
611cad72 SG |
336 | extern void of_alias_scan(void * (*dt_alloc)(u64 size, u64 align)); |
337 | extern int of_alias_get_id(struct device_node *np, const char *stem); | |
351d224f | 338 | extern int of_alias_get_highest_id(const char *stem); |
611cad72 | 339 | |
21b082ec GL |
340 | extern int of_machine_is_compatible(const char *compat); |
341 | ||
79d1c712 NF |
342 | extern int of_add_property(struct device_node *np, struct property *prop); |
343 | extern int of_remove_property(struct device_node *np, struct property *prop); | |
344 | extern int of_update_property(struct device_node *np, struct property *newprop); | |
21b082ec | 345 | |
fcdeb7fe | 346 | /* For updating the device tree at runtime */ |
1cf3d8b3 NF |
347 | #define OF_RECONFIG_ATTACH_NODE 0x0001 |
348 | #define OF_RECONFIG_DETACH_NODE 0x0002 | |
349 | #define OF_RECONFIG_ADD_PROPERTY 0x0003 | |
350 | #define OF_RECONFIG_REMOVE_PROPERTY 0x0004 | |
351 | #define OF_RECONFIG_UPDATE_PROPERTY 0x0005 | |
352 | ||
1cf3d8b3 NF |
353 | extern int of_attach_node(struct device_node *); |
354 | extern int of_detach_node(struct device_node *); | |
fcdeb7fe | 355 | |
3a1e362e | 356 | #define of_match_ptr(_ptr) (_ptr) |
c541adc6 SW |
357 | |
358 | /* | |
359 | * struct property *prop; | |
360 | * const __be32 *p; | |
361 | * u32 u; | |
362 | * | |
363 | * of_property_for_each_u32(np, "propname", prop, p, u) | |
364 | * printk("U32 value: %x\n", u); | |
365 | */ | |
366 | const __be32 *of_prop_next_u32(struct property *prop, const __be32 *cur, | |
367 | u32 *pu); | |
c541adc6 SW |
368 | /* |
369 | * struct property *prop; | |
370 | * const char *s; | |
371 | * | |
372 | * of_property_for_each_string(np, "propname", prop, s) | |
373 | * printk("String value: %s\n", s); | |
374 | */ | |
375 | const char *of_prop_next_string(struct property *prop, const char *cur); | |
c541adc6 | 376 | |
3482f2c5 | 377 | bool of_console_check(struct device_node *dn, char *name, int index); |
5c19e952 | 378 | |
b98c0239 | 379 | #else /* CONFIG_OF */ |
3bcbaf6e | 380 | |
194ec936 SH |
381 | static inline void of_core_init(void) |
382 | { | |
383 | } | |
384 | ||
8a0662d9 RW |
385 | static inline bool is_of_node(struct fwnode_handle *fwnode) |
386 | { | |
387 | return false; | |
388 | } | |
389 | ||
c181fb3e | 390 | static inline struct device_node *to_of_node(struct fwnode_handle *fwnode) |
8a0662d9 RW |
391 | { |
392 | return NULL; | |
393 | } | |
394 | ||
4c358e15 | 395 | static inline const char* of_node_full_name(const struct device_node *np) |
74a7f084 GL |
396 | { |
397 | return "<no-node>"; | |
398 | } | |
399 | ||
1cc44f43 PU |
400 | static inline struct device_node *of_find_node_by_name(struct device_node *from, |
401 | const char *name) | |
402 | { | |
403 | return NULL; | |
404 | } | |
405 | ||
662372e4 RH |
406 | static inline struct device_node *of_find_node_by_type(struct device_node *from, |
407 | const char *type) | |
066ec1dd AS |
408 | { |
409 | return NULL; | |
410 | } | |
411 | ||
662372e4 RH |
412 | static inline struct device_node *of_find_matching_node_and_match( |
413 | struct device_node *from, | |
414 | const struct of_device_id *matches, | |
415 | const struct of_device_id **match) | |
3bcbaf6e | 416 | { |
662372e4 | 417 | return NULL; |
3bcbaf6e SAS |
418 | } |
419 | ||
20cd477c AS |
420 | static inline struct device_node *of_find_node_by_path(const char *path) |
421 | { | |
422 | return NULL; | |
423 | } | |
424 | ||
75c28c09 LL |
425 | static inline struct device_node *of_find_node_opts_by_path(const char *path, |
426 | const char **opts) | |
427 | { | |
428 | return NULL; | |
429 | } | |
430 | ||
ce16b9d2 SA |
431 | static inline struct device_node *of_find_node_by_phandle(phandle handle) |
432 | { | |
433 | return NULL; | |
434 | } | |
435 | ||
662372e4 | 436 | static inline struct device_node *of_get_parent(const struct device_node *node) |
00b2c76a | 437 | { |
662372e4 | 438 | return NULL; |
00b2c76a DH |
439 | } |
440 | ||
662372e4 RH |
441 | static inline struct device_node *of_get_next_child( |
442 | const struct device_node *node, struct device_node *prev) | |
443 | { | |
444 | return NULL; | |
445 | } | |
aba3dfff | 446 | |
662372e4 RH |
447 | static inline struct device_node *of_get_next_available_child( |
448 | const struct device_node *node, struct device_node *prev) | |
449 | { | |
450 | return NULL; | |
451 | } | |
f6f0747e | 452 | |
662372e4 RH |
453 | static inline struct device_node *of_find_node_with_property( |
454 | struct device_node *from, const char *prop_name) | |
25c040c9 OJ |
455 | { |
456 | return NULL; | |
457 | } | |
458 | ||
662372e4 | 459 | static inline bool of_have_populated_dt(void) |
183f1d0c | 460 | { |
662372e4 | 461 | return false; |
183f1d0c DA |
462 | } |
463 | ||
662372e4 RH |
464 | static inline struct device_node *of_get_child_by_name( |
465 | const struct device_node *node, | |
466 | const char *name) | |
954e04b9 | 467 | { |
662372e4 | 468 | return NULL; |
954e04b9 BW |
469 | } |
470 | ||
36a0904e RN |
471 | static inline int of_device_is_compatible(const struct device_node *device, |
472 | const char *name) | |
473 | { | |
474 | return 0; | |
475 | } | |
476 | ||
53a4ab96 | 477 | static inline bool of_device_is_available(const struct device_node *device) |
d7195696 | 478 | { |
53a4ab96 | 479 | return false; |
d7195696 RH |
480 | } |
481 | ||
37786c7f KC |
482 | static inline bool of_device_is_big_endian(const struct device_node *device) |
483 | { | |
484 | return false; | |
d7195696 RH |
485 | } |
486 | ||
aba3dfff SW |
487 | static inline struct property *of_find_property(const struct device_node *np, |
488 | const char *name, | |
489 | int *lenp) | |
490 | { | |
491 | return NULL; | |
492 | } | |
493 | ||
2261cc62 SG |
494 | static inline struct device_node *of_find_compatible_node( |
495 | struct device_node *from, | |
496 | const char *type, | |
497 | const char *compat) | |
498 | { | |
499 | return NULL; | |
500 | } | |
501 | ||
ad54a0cf HS |
502 | static inline int of_property_count_elems_of_size(const struct device_node *np, |
503 | const char *propname, int elem_size) | |
504 | { | |
505 | return -ENOSYS; | |
506 | } | |
507 | ||
3daf3726 TP |
508 | static inline int of_property_read_u32_index(const struct device_node *np, |
509 | const char *propname, u32 index, u32 *out_value) | |
510 | { | |
511 | return -ENOSYS; | |
512 | } | |
513 | ||
be193249 VK |
514 | static inline int of_property_read_u8_array(const struct device_node *np, |
515 | const char *propname, u8 *out_values, size_t sz) | |
516 | { | |
517 | return -ENOSYS; | |
518 | } | |
519 | ||
520 | static inline int of_property_read_u16_array(const struct device_node *np, | |
521 | const char *propname, u16 *out_values, size_t sz) | |
522 | { | |
523 | return -ENOSYS; | |
524 | } | |
525 | ||
b98c0239 | 526 | static inline int of_property_read_u32_array(const struct device_node *np, |
aac285c6 JI |
527 | const char *propname, |
528 | u32 *out_values, size_t sz) | |
b98c0239 SG |
529 | { |
530 | return -ENOSYS; | |
531 | } | |
532 | ||
b31384fa RW |
533 | static inline int of_property_read_u64_array(const struct device_node *np, |
534 | const char *propname, | |
535 | u64 *out_values, size_t sz) | |
536 | { | |
537 | return -ENOSYS; | |
538 | } | |
539 | ||
b98c0239 | 540 | static inline int of_property_read_string(struct device_node *np, |
aac285c6 JI |
541 | const char *propname, |
542 | const char **out_string) | |
b98c0239 SG |
543 | { |
544 | return -ENOSYS; | |
545 | } | |
546 | ||
a87fa1d8 GL |
547 | static inline int of_property_read_string_helper(struct device_node *np, |
548 | const char *propname, | |
549 | const char **out_strs, size_t sz, int index) | |
4fcd15a0 BC |
550 | { |
551 | return -ENOSYS; | |
552 | } | |
553 | ||
89272b8c SW |
554 | static inline const void *of_get_property(const struct device_node *node, |
555 | const char *name, | |
556 | int *lenp) | |
557 | { | |
558 | return NULL; | |
559 | } | |
560 | ||
183912d3 SH |
561 | static inline struct device_node *of_get_cpu_node(int cpu, |
562 | unsigned int *thread) | |
563 | { | |
564 | return NULL; | |
565 | } | |
566 | ||
4cd7f7a3 JI |
567 | static inline int of_property_read_u64(const struct device_node *np, |
568 | const char *propname, u64 *out_value) | |
569 | { | |
570 | return -ENOSYS; | |
571 | } | |
572 | ||
bd3d5500 TR |
573 | static inline int of_property_match_string(struct device_node *np, |
574 | const char *propname, | |
575 | const char *string) | |
576 | { | |
577 | return -ENOSYS; | |
578 | } | |
579 | ||
b8fbdc42 | 580 | static inline struct device_node *of_parse_phandle(const struct device_node *np, |
36a0904e RN |
581 | const char *phandle_name, |
582 | int index) | |
583 | { | |
584 | return NULL; | |
585 | } | |
586 | ||
e05e5070 TR |
587 | static inline int of_parse_phandle_with_args(struct device_node *np, |
588 | const char *list_name, | |
589 | const char *cells_name, | |
590 | int index, | |
591 | struct of_phandle_args *out_args) | |
592 | { | |
593 | return -ENOSYS; | |
594 | } | |
595 | ||
035fd948 SW |
596 | static inline int of_parse_phandle_with_fixed_args(const struct device_node *np, |
597 | const char *list_name, int cells_count, int index, | |
598 | struct of_phandle_args *out_args) | |
599 | { | |
600 | return -ENOSYS; | |
601 | } | |
602 | ||
bd69f73f GL |
603 | static inline int of_count_phandle_with_args(struct device_node *np, |
604 | const char *list_name, | |
605 | const char *cells_name) | |
606 | { | |
607 | return -ENOSYS; | |
608 | } | |
609 | ||
ed5f886d NF |
610 | static inline int of_alias_get_id(struct device_node *np, const char *stem) |
611 | { | |
612 | return -ENOSYS; | |
613 | } | |
614 | ||
351d224f WS |
615 | static inline int of_alias_get_highest_id(const char *stem) |
616 | { | |
617 | return -ENOSYS; | |
618 | } | |
619 | ||
50e07f88 SW |
620 | static inline int of_machine_is_compatible(const char *compat) |
621 | { | |
622 | return 0; | |
623 | } | |
624 | ||
3482f2c5 | 625 | static inline bool of_console_check(const struct device_node *dn, const char *name, int index) |
5c19e952 | 626 | { |
3482f2c5 | 627 | return false; |
5c19e952 SH |
628 | } |
629 | ||
2adfffa2 SAS |
630 | static inline const __be32 *of_prop_next_u32(struct property *prop, |
631 | const __be32 *cur, u32 *pu) | |
632 | { | |
633 | return NULL; | |
634 | } | |
635 | ||
636 | static inline const char *of_prop_next_string(struct property *prop, | |
637 | const char *cur) | |
638 | { | |
639 | return NULL; | |
640 | } | |
641 | ||
0384e8c6 PA |
642 | static inline int of_node_check_flag(struct device_node *n, unsigned long flag) |
643 | { | |
644 | return 0; | |
645 | } | |
646 | ||
647 | static inline int of_node_test_and_set_flag(struct device_node *n, | |
648 | unsigned long flag) | |
649 | { | |
650 | return 0; | |
651 | } | |
652 | ||
653 | static inline void of_node_set_flag(struct device_node *n, unsigned long flag) | |
654 | { | |
655 | } | |
656 | ||
657 | static inline void of_node_clear_flag(struct device_node *n, unsigned long flag) | |
658 | { | |
659 | } | |
660 | ||
661 | static inline int of_property_check_flag(struct property *p, unsigned long flag) | |
662 | { | |
663 | return 0; | |
664 | } | |
665 | ||
666 | static inline void of_property_set_flag(struct property *p, unsigned long flag) | |
667 | { | |
668 | } | |
669 | ||
670 | static inline void of_property_clear_flag(struct property *p, unsigned long flag) | |
671 | { | |
672 | } | |
673 | ||
3a1e362e | 674 | #define of_match_ptr(_ptr) NULL |
5762c205 | 675 | #define of_match_node(_matches, _node) NULL |
9dfbf207 | 676 | #endif /* CONFIG_OF */ |
b98c0239 | 677 | |
0c3f061c RH |
678 | #if defined(CONFIG_OF) && defined(CONFIG_NUMA) |
679 | extern int of_node_to_nid(struct device_node *np); | |
680 | #else | |
c8fff7bc KK |
681 | static inline int of_node_to_nid(struct device_node *device) |
682 | { | |
683 | return NUMA_NO_NODE; | |
684 | } | |
5ca4db61 PM |
685 | #endif |
686 | ||
662372e4 RH |
687 | static inline struct device_node *of_find_matching_node( |
688 | struct device_node *from, | |
689 | const struct of_device_id *matches) | |
690 | { | |
691 | return of_find_matching_node_and_match(from, matches, NULL); | |
692 | } | |
693 | ||
ad54a0cf HS |
694 | /** |
695 | * of_property_count_u8_elems - Count the number of u8 elements in a property | |
696 | * | |
697 | * @np: device node from which the property value is to be read. | |
698 | * @propname: name of the property to be searched. | |
699 | * | |
700 | * Search for a property in a device node and count the number of u8 elements | |
701 | * in it. Returns number of elements on sucess, -EINVAL if the property does | |
702 | * not exist or its length does not match a multiple of u8 and -ENODATA if the | |
703 | * property does not have a value. | |
704 | */ | |
705 | static inline int of_property_count_u8_elems(const struct device_node *np, | |
706 | const char *propname) | |
707 | { | |
708 | return of_property_count_elems_of_size(np, propname, sizeof(u8)); | |
709 | } | |
710 | ||
711 | /** | |
712 | * of_property_count_u16_elems - Count the number of u16 elements in a property | |
713 | * | |
714 | * @np: device node from which the property value is to be read. | |
715 | * @propname: name of the property to be searched. | |
716 | * | |
717 | * Search for a property in a device node and count the number of u16 elements | |
718 | * in it. Returns number of elements on sucess, -EINVAL if the property does | |
719 | * not exist or its length does not match a multiple of u16 and -ENODATA if the | |
720 | * property does not have a value. | |
721 | */ | |
722 | static inline int of_property_count_u16_elems(const struct device_node *np, | |
723 | const char *propname) | |
724 | { | |
725 | return of_property_count_elems_of_size(np, propname, sizeof(u16)); | |
726 | } | |
727 | ||
728 | /** | |
729 | * of_property_count_u32_elems - Count the number of u32 elements in a property | |
730 | * | |
731 | * @np: device node from which the property value is to be read. | |
732 | * @propname: name of the property to be searched. | |
733 | * | |
734 | * Search for a property in a device node and count the number of u32 elements | |
735 | * in it. Returns number of elements on sucess, -EINVAL if the property does | |
736 | * not exist or its length does not match a multiple of u32 and -ENODATA if the | |
737 | * property does not have a value. | |
738 | */ | |
739 | static inline int of_property_count_u32_elems(const struct device_node *np, | |
740 | const char *propname) | |
741 | { | |
742 | return of_property_count_elems_of_size(np, propname, sizeof(u32)); | |
743 | } | |
744 | ||
745 | /** | |
746 | * of_property_count_u64_elems - Count the number of u64 elements in a property | |
747 | * | |
748 | * @np: device node from which the property value is to be read. | |
749 | * @propname: name of the property to be searched. | |
750 | * | |
751 | * Search for a property in a device node and count the number of u64 elements | |
752 | * in it. Returns number of elements on sucess, -EINVAL if the property does | |
753 | * not exist or its length does not match a multiple of u64 and -ENODATA if the | |
754 | * property does not have a value. | |
755 | */ | |
756 | static inline int of_property_count_u64_elems(const struct device_node *np, | |
757 | const char *propname) | |
758 | { | |
759 | return of_property_count_elems_of_size(np, propname, sizeof(u64)); | |
760 | } | |
761 | ||
a87fa1d8 GL |
762 | /** |
763 | * of_property_read_string_array() - Read an array of strings from a multiple | |
764 | * strings property. | |
765 | * @np: device node from which the property value is to be read. | |
766 | * @propname: name of the property to be searched. | |
767 | * @out_strs: output array of string pointers. | |
768 | * @sz: number of array elements to read. | |
769 | * | |
770 | * Search for a property in a device tree node and retrieve a list of | |
771 | * terminated string values (pointer to data, not a copy) in that property. | |
772 | * | |
773 | * If @out_strs is NULL, the number of strings in the property is returned. | |
774 | */ | |
775 | static inline int of_property_read_string_array(struct device_node *np, | |
776 | const char *propname, const char **out_strs, | |
777 | size_t sz) | |
778 | { | |
779 | return of_property_read_string_helper(np, propname, out_strs, sz, 0); | |
780 | } | |
781 | ||
782 | /** | |
783 | * of_property_count_strings() - Find and return the number of strings from a | |
784 | * multiple strings property. | |
785 | * @np: device node from which the property value is to be read. | |
786 | * @propname: name of the property to be searched. | |
787 | * | |
788 | * Search for a property in a device tree node and retrieve the number of null | |
789 | * terminated string contain in it. Returns the number of strings on | |
790 | * success, -EINVAL if the property does not exist, -ENODATA if property | |
791 | * does not have a value, and -EILSEQ if the string is not null-terminated | |
792 | * within the length of the property data. | |
793 | */ | |
794 | static inline int of_property_count_strings(struct device_node *np, | |
795 | const char *propname) | |
796 | { | |
797 | return of_property_read_string_helper(np, propname, NULL, 0, 0); | |
798 | } | |
799 | ||
800 | /** | |
801 | * of_property_read_string_index() - Find and read a string from a multiple | |
802 | * strings property. | |
803 | * @np: device node from which the property value is to be read. | |
804 | * @propname: name of the property to be searched. | |
805 | * @index: index of the string in the list of strings | |
806 | * @out_string: pointer to null terminated return string, modified only if | |
807 | * return value is 0. | |
808 | * | |
809 | * Search for a property in a device tree node and retrieve a null | |
810 | * terminated string value (pointer to data, not a copy) in the list of strings | |
811 | * contained in that property. | |
812 | * Returns 0 on success, -EINVAL if the property does not exist, -ENODATA if | |
813 | * property does not have a value, and -EILSEQ if the string is not | |
814 | * null-terminated within the length of the property data. | |
815 | * | |
816 | * The out_string pointer is modified only if a valid string can be decoded. | |
817 | */ | |
818 | static inline int of_property_read_string_index(struct device_node *np, | |
819 | const char *propname, | |
820 | int index, const char **output) | |
821 | { | |
822 | int rc = of_property_read_string_helper(np, propname, output, 1, index); | |
823 | return rc < 0 ? rc : 0; | |
824 | } | |
825 | ||
fa4d34cc JCPV |
826 | /** |
827 | * of_property_read_bool - Findfrom a property | |
828 | * @np: device node from which the property value is to be read. | |
829 | * @propname: name of the property to be searched. | |
830 | * | |
831 | * Search for a property in a device node. | |
31712c98 | 832 | * Returns true if the property exists false otherwise. |
fa4d34cc JCPV |
833 | */ |
834 | static inline bool of_property_read_bool(const struct device_node *np, | |
835 | const char *propname) | |
836 | { | |
837 | struct property *prop = of_find_property(np, propname, NULL); | |
838 | ||
839 | return prop ? true : false; | |
840 | } | |
841 | ||
be193249 VK |
842 | static inline int of_property_read_u8(const struct device_node *np, |
843 | const char *propname, | |
844 | u8 *out_value) | |
845 | { | |
846 | return of_property_read_u8_array(np, propname, out_value, 1); | |
847 | } | |
848 | ||
849 | static inline int of_property_read_u16(const struct device_node *np, | |
850 | const char *propname, | |
851 | u16 *out_value) | |
852 | { | |
853 | return of_property_read_u16_array(np, propname, out_value, 1); | |
854 | } | |
855 | ||
b98c0239 | 856 | static inline int of_property_read_u32(const struct device_node *np, |
aac285c6 | 857 | const char *propname, |
b98c0239 SG |
858 | u32 *out_value) |
859 | { | |
860 | return of_property_read_u32_array(np, propname, out_value, 1); | |
861 | } | |
862 | ||
e7a00e42 SR |
863 | static inline int of_property_read_s32(const struct device_node *np, |
864 | const char *propname, | |
865 | s32 *out_value) | |
866 | { | |
867 | return of_property_read_u32(np, propname, (u32*) out_value); | |
868 | } | |
869 | ||
2adfffa2 SAS |
870 | #define of_property_for_each_u32(np, propname, prop, p, u) \ |
871 | for (prop = of_find_property(np, propname, NULL), \ | |
872 | p = of_prop_next_u32(prop, NULL, &u); \ | |
873 | p; \ | |
874 | p = of_prop_next_u32(prop, p, &u)) | |
875 | ||
876 | #define of_property_for_each_string(np, propname, prop, s) \ | |
877 | for (prop = of_find_property(np, propname, NULL), \ | |
878 | s = of_prop_next_string(prop, NULL); \ | |
879 | s; \ | |
880 | s = of_prop_next_string(prop, s)) | |
881 | ||
662372e4 RH |
882 | #define for_each_node_by_name(dn, name) \ |
883 | for (dn = of_find_node_by_name(NULL, name); dn; \ | |
884 | dn = of_find_node_by_name(dn, name)) | |
885 | #define for_each_node_by_type(dn, type) \ | |
886 | for (dn = of_find_node_by_type(NULL, type); dn; \ | |
887 | dn = of_find_node_by_type(dn, type)) | |
888 | #define for_each_compatible_node(dn, type, compatible) \ | |
889 | for (dn = of_find_compatible_node(NULL, type, compatible); dn; \ | |
890 | dn = of_find_compatible_node(dn, type, compatible)) | |
891 | #define for_each_matching_node(dn, matches) \ | |
892 | for (dn = of_find_matching_node(NULL, matches); dn; \ | |
893 | dn = of_find_matching_node(dn, matches)) | |
894 | #define for_each_matching_node_and_match(dn, matches, match) \ | |
895 | for (dn = of_find_matching_node_and_match(NULL, matches, match); \ | |
896 | dn; dn = of_find_matching_node_and_match(dn, matches, match)) | |
897 | ||
898 | #define for_each_child_of_node(parent, child) \ | |
899 | for (child = of_get_next_child(parent, NULL); child != NULL; \ | |
900 | child = of_get_next_child(parent, child)) | |
901 | #define for_each_available_child_of_node(parent, child) \ | |
902 | for (child = of_get_next_available_child(parent, NULL); child != NULL; \ | |
903 | child = of_get_next_available_child(parent, child)) | |
904 | ||
905 | #define for_each_node_with_property(dn, prop_name) \ | |
906 | for (dn = of_find_node_with_property(NULL, prop_name); dn; \ | |
907 | dn = of_find_node_with_property(dn, prop_name)) | |
908 | ||
909 | static inline int of_get_child_count(const struct device_node *np) | |
910 | { | |
911 | struct device_node *child; | |
912 | int num = 0; | |
913 | ||
914 | for_each_child_of_node(np, child) | |
915 | num++; | |
916 | ||
917 | return num; | |
918 | } | |
919 | ||
920 | static inline int of_get_available_child_count(const struct device_node *np) | |
921 | { | |
922 | struct device_node *child; | |
923 | int num = 0; | |
924 | ||
925 | for_each_available_child_of_node(np, child) | |
926 | num++; | |
927 | ||
928 | return num; | |
929 | } | |
930 | ||
54196ccb RH |
931 | #ifdef CONFIG_OF |
932 | #define _OF_DECLARE(table, name, compat, fn, fn_type) \ | |
933 | static const struct of_device_id __of_table_##name \ | |
934 | __used __section(__##table##_of_table) \ | |
935 | = { .compatible = compat, \ | |
936 | .data = (fn == (fn_type)NULL) ? fn : fn } | |
937 | #else | |
5f563585 | 938 | #define _OF_DECLARE(table, name, compat, fn, fn_type) \ |
54196ccb RH |
939 | static const struct of_device_id __of_table_##name \ |
940 | __attribute__((unused)) \ | |
941 | = { .compatible = compat, \ | |
942 | .data = (fn == (fn_type)NULL) ? fn : fn } | |
943 | #endif | |
944 | ||
945 | typedef int (*of_init_fn_2)(struct device_node *, struct device_node *); | |
946 | typedef void (*of_init_fn_1)(struct device_node *); | |
947 | ||
948 | #define OF_DECLARE_1(table, name, compat, fn) \ | |
949 | _OF_DECLARE(table, name, compat, fn, of_init_fn_1) | |
950 | #define OF_DECLARE_2(table, name, compat, fn) \ | |
951 | _OF_DECLARE(table, name, compat, fn, of_init_fn_2) | |
952 | ||
201c910b PA |
953 | /** |
954 | * struct of_changeset_entry - Holds a changeset entry | |
955 | * | |
956 | * @node: list_head for the log list | |
957 | * @action: notifier action | |
958 | * @np: pointer to the device node affected | |
959 | * @prop: pointer to the property affected | |
960 | * @old_prop: hold a pointer to the original property | |
961 | * | |
962 | * Every modification of the device tree during a changeset | |
963 | * is held in a list of of_changeset_entry structures. | |
964 | * That way we can recover from a partial application, or we can | |
965 | * revert the changeset | |
966 | */ | |
967 | struct of_changeset_entry { | |
968 | struct list_head node; | |
969 | unsigned long action; | |
970 | struct device_node *np; | |
971 | struct property *prop; | |
972 | struct property *old_prop; | |
973 | }; | |
974 | ||
975 | /** | |
976 | * struct of_changeset - changeset tracker structure | |
977 | * | |
978 | * @entries: list_head for the changeset entries | |
979 | * | |
980 | * changesets are a convenient way to apply bulk changes to the | |
981 | * live tree. In case of an error, changes are rolled-back. | |
982 | * changesets live on after initial application, and if not | |
983 | * destroyed after use, they can be reverted in one single call. | |
984 | */ | |
985 | struct of_changeset { | |
986 | struct list_head entries; | |
987 | }; | |
988 | ||
b53a2340 PA |
989 | enum of_reconfig_change { |
990 | OF_RECONFIG_NO_CHANGE = 0, | |
991 | OF_RECONFIG_CHANGE_ADD, | |
992 | OF_RECONFIG_CHANGE_REMOVE, | |
993 | }; | |
994 | ||
201c910b | 995 | #ifdef CONFIG_OF_DYNAMIC |
f6892d19 GL |
996 | extern int of_reconfig_notifier_register(struct notifier_block *); |
997 | extern int of_reconfig_notifier_unregister(struct notifier_block *); | |
f5242e5a GL |
998 | extern int of_reconfig_notify(unsigned long, struct of_reconfig_data *rd); |
999 | extern int of_reconfig_get_state_change(unsigned long action, | |
1000 | struct of_reconfig_data *arg); | |
f6892d19 | 1001 | |
201c910b PA |
1002 | extern void of_changeset_init(struct of_changeset *ocs); |
1003 | extern void of_changeset_destroy(struct of_changeset *ocs); | |
1004 | extern int of_changeset_apply(struct of_changeset *ocs); | |
1005 | extern int of_changeset_revert(struct of_changeset *ocs); | |
1006 | extern int of_changeset_action(struct of_changeset *ocs, | |
1007 | unsigned long action, struct device_node *np, | |
1008 | struct property *prop); | |
1009 | ||
1010 | static inline int of_changeset_attach_node(struct of_changeset *ocs, | |
1011 | struct device_node *np) | |
1012 | { | |
1013 | return of_changeset_action(ocs, OF_RECONFIG_ATTACH_NODE, np, NULL); | |
1014 | } | |
1015 | ||
1016 | static inline int of_changeset_detach_node(struct of_changeset *ocs, | |
1017 | struct device_node *np) | |
1018 | { | |
1019 | return of_changeset_action(ocs, OF_RECONFIG_DETACH_NODE, np, NULL); | |
1020 | } | |
1021 | ||
1022 | static inline int of_changeset_add_property(struct of_changeset *ocs, | |
1023 | struct device_node *np, struct property *prop) | |
1024 | { | |
1025 | return of_changeset_action(ocs, OF_RECONFIG_ADD_PROPERTY, np, prop); | |
1026 | } | |
1027 | ||
1028 | static inline int of_changeset_remove_property(struct of_changeset *ocs, | |
1029 | struct device_node *np, struct property *prop) | |
1030 | { | |
1031 | return of_changeset_action(ocs, OF_RECONFIG_REMOVE_PROPERTY, np, prop); | |
1032 | } | |
1033 | ||
1034 | static inline int of_changeset_update_property(struct of_changeset *ocs, | |
1035 | struct device_node *np, struct property *prop) | |
1036 | { | |
1037 | return of_changeset_action(ocs, OF_RECONFIG_UPDATE_PROPERTY, np, prop); | |
1038 | } | |
f6892d19 GL |
1039 | #else /* CONFIG_OF_DYNAMIC */ |
1040 | static inline int of_reconfig_notifier_register(struct notifier_block *nb) | |
1041 | { | |
1042 | return -EINVAL; | |
1043 | } | |
1044 | static inline int of_reconfig_notifier_unregister(struct notifier_block *nb) | |
1045 | { | |
1046 | return -EINVAL; | |
1047 | } | |
f5242e5a GL |
1048 | static inline int of_reconfig_notify(unsigned long action, |
1049 | struct of_reconfig_data *arg) | |
f6892d19 GL |
1050 | { |
1051 | return -EINVAL; | |
1052 | } | |
f5242e5a GL |
1053 | static inline int of_reconfig_get_state_change(unsigned long action, |
1054 | struct of_reconfig_data *arg) | |
f6892d19 GL |
1055 | { |
1056 | return -EINVAL; | |
1057 | } | |
1058 | #endif /* CONFIG_OF_DYNAMIC */ | |
201c910b | 1059 | |
7941b27b PA |
1060 | /* CONFIG_OF_RESOLVE api */ |
1061 | extern int of_resolve_phandles(struct device_node *tree); | |
1062 | ||
a4b4e046 | 1063 | /** |
8f73110f | 1064 | * of_device_is_system_power_controller - Tells if system-power-controller is found for device_node |
a4b4e046 RP |
1065 | * @np: Pointer to the given device_node |
1066 | * | |
1067 | * return true if present false otherwise | |
1068 | */ | |
8f73110f | 1069 | static inline bool of_device_is_system_power_controller(const struct device_node *np) |
a4b4e046 | 1070 | { |
8f73110f | 1071 | return of_property_read_bool(np, "system-power-controller"); |
a4b4e046 RP |
1072 | } |
1073 | ||
7518b589 PA |
1074 | /** |
1075 | * Overlay support | |
1076 | */ | |
1077 | ||
1078 | #ifdef CONFIG_OF_OVERLAY | |
1079 | ||
1080 | /* ID based overlays; the API for external users */ | |
1081 | int of_overlay_create(struct device_node *tree); | |
1082 | int of_overlay_destroy(int id); | |
1083 | int of_overlay_destroy_all(void); | |
1084 | ||
1085 | #else | |
1086 | ||
1087 | static inline int of_overlay_create(struct device_node *tree) | |
1088 | { | |
1089 | return -ENOTSUPP; | |
1090 | } | |
1091 | ||
1092 | static inline int of_overlay_destroy(int id) | |
1093 | { | |
1094 | return -ENOTSUPP; | |
1095 | } | |
1096 | ||
1097 | static inline int of_overlay_destroy_all(void) | |
1098 | { | |
1099 | return -ENOTSUPP; | |
1100 | } | |
1101 | ||
1102 | #endif | |
1103 | ||
76c1ce78 | 1104 | #endif /* _LINUX_OF_H */ |