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> 19 #include <linux/bitops.h> 20 #include <linux/errno.h> 21 #include <linux/kobject.h> 22 #include <linux/mod_devicetable.h> 23 #include <linux/spinlock.h> 24 #include <linux/topology.h> 25 #include <linux/notifier.h> 26 27 #include <asm/byteorder.h> 28 #include <asm/errno.h> 29 30 typedef u32 phandle; 31 typedef u32 ihandle; 32 33 struct property { 34 char *name; 35 int length; 36 void *value; 37 struct property *next; 38 unsigned long _flags; 39 unsigned int unique_id; 40 struct bin_attribute attr; 41 }; 42 43 #if defined(CONFIG_SPARC) 44 struct of_irq_controller; 45 #endif 46 47 struct device_node { 48 const char *name; 49 const char *type; 50 phandle phandle; 51 const char *full_name; 52 53 struct property *properties; 54 struct property *deadprops; /* removed properties */ 55 struct device_node *parent; 56 struct device_node *child; 57 struct device_node *sibling; 58 struct device_node *next; /* next device of same type */ 59 struct device_node *allnext; /* next in list of all nodes */ 60 struct kobject kobj; 61 unsigned long _flags; 62 void *data; 63 #if defined(CONFIG_SPARC) 64 const char *path_component_name; 65 unsigned int unique_id; 66 struct of_irq_controller *irq_trans; 67 #endif 68 }; 69 70 #define MAX_PHANDLE_ARGS 16 71 struct of_phandle_args { 72 struct device_node *np; 73 int args_count; 74 uint32_t args[MAX_PHANDLE_ARGS]; 75 }; 76 77 extern int of_node_add(struct device_node *node); 78 79 /* initialize a node */ 80 extern struct kobj_type of_node_ktype; 81 static inline void of_node_init(struct device_node *node) 82 { 83 kobject_init(&node->kobj, &of_node_ktype); 84 } 85 86 /* true when node is initialized */ 87 static inline int of_node_is_initialized(struct device_node *node) 88 { 89 return node && node->kobj.state_initialized; 90 } 91 92 /* true when node is attached (i.e. present on sysfs) */ 93 static inline int of_node_is_attached(struct device_node *node) 94 { 95 return node && node->kobj.state_in_sysfs; 96 } 97 98 #ifdef CONFIG_OF_DYNAMIC 99 extern struct device_node *of_node_get(struct device_node *node); 100 extern void of_node_put(struct device_node *node); 101 #else /* CONFIG_OF_DYNAMIC */ 102 /* Dummy ref counting routines - to be implemented later */ 103 static inline struct device_node *of_node_get(struct device_node *node) 104 { 105 return node; 106 } 107 static inline void of_node_put(struct device_node *node) { } 108 #endif /* !CONFIG_OF_DYNAMIC */ 109 110 #ifdef CONFIG_OF 111 112 /* Pointer for first entry in chain of all nodes. */ 113 extern struct device_node *of_allnodes; 114 extern struct device_node *of_chosen; 115 extern struct device_node *of_aliases; 116 extern raw_spinlock_t devtree_lock; 117 118 static inline bool of_have_populated_dt(void) 119 { 120 return of_allnodes != NULL; 121 } 122 123 static inline bool of_node_is_root(const struct device_node *node) 124 { 125 return node && (node->parent == NULL); 126 } 127 128 static inline int of_node_check_flag(struct device_node *n, unsigned long flag) 129 { 130 return test_bit(flag, &n->_flags); 131 } 132 133 static inline void of_node_set_flag(struct device_node *n, unsigned long flag) 134 { 135 set_bit(flag, &n->_flags); 136 } 137 138 static inline void of_node_clear_flag(struct device_node *n, unsigned long flag) 139 { 140 clear_bit(flag, &n->_flags); 141 } 142 143 static inline int of_property_check_flag(struct property *p, unsigned long flag) 144 { 145 return test_bit(flag, &p->_flags); 146 } 147 148 static inline void of_property_set_flag(struct property *p, unsigned long flag) 149 { 150 set_bit(flag, &p->_flags); 151 } 152 153 static inline void of_property_clear_flag(struct property *p, unsigned long flag) 154 { 155 clear_bit(flag, &p->_flags); 156 } 157 158 extern struct device_node *of_find_all_nodes(struct device_node *prev); 159 160 /* 161 * OF address retrieval & translation 162 */ 163 164 /* Helper to read a big number; size is in cells (not bytes) */ 165 static inline u64 of_read_number(const __be32 *cell, int size) 166 { 167 u64 r = 0; 168 while (size--) 169 r = (r << 32) | be32_to_cpu(*(cell++)); 170 return r; 171 } 172 173 /* Like of_read_number, but we want an unsigned long result */ 174 static inline unsigned long of_read_ulong(const __be32 *cell, int size) 175 { 176 /* toss away upper bits if unsigned long is smaller than u64 */ 177 return of_read_number(cell, size); 178 } 179 180 #if defined(CONFIG_SPARC) 181 #include <asm/prom.h> 182 #endif 183 184 /* Default #address and #size cells. Allow arch asm/prom.h to override */ 185 #if !defined(OF_ROOT_NODE_ADDR_CELLS_DEFAULT) 186 #define OF_ROOT_NODE_ADDR_CELLS_DEFAULT 1 187 #define OF_ROOT_NODE_SIZE_CELLS_DEFAULT 1 188 #endif 189 190 /* Default string compare functions, Allow arch asm/prom.h to override */ 191 #if !defined(of_compat_cmp) 192 #define of_compat_cmp(s1, s2, l) strcasecmp((s1), (s2)) 193 #define of_prop_cmp(s1, s2) strcmp((s1), (s2)) 194 #define of_node_cmp(s1, s2) strcasecmp((s1), (s2)) 195 #endif 196 197 /* flag descriptions */ 198 #define OF_DYNAMIC 1 /* node and properties were allocated via kmalloc */ 199 #define OF_DETACHED 2 /* node has been detached from the device tree */ 200 201 #define OF_IS_DYNAMIC(x) test_bit(OF_DYNAMIC, &x->_flags) 202 #define OF_MARK_DYNAMIC(x) set_bit(OF_DYNAMIC, &x->_flags) 203 204 #define OF_BAD_ADDR ((u64)-1) 205 206 static inline const char *of_node_full_name(const struct device_node *np) 207 { 208 return np ? np->full_name : "<no-node>"; 209 } 210 211 #define for_each_of_allnodes(dn) \ 212 for (dn = of_allnodes; dn; dn = dn->allnext) 213 extern struct device_node *of_find_node_by_name(struct device_node *from, 214 const char *name); 215 extern struct device_node *of_find_node_by_type(struct device_node *from, 216 const char *type); 217 extern struct device_node *of_find_compatible_node(struct device_node *from, 218 const char *type, const char *compat); 219 extern struct device_node *of_find_matching_node_and_match( 220 struct device_node *from, 221 const struct of_device_id *matches, 222 const struct of_device_id **match); 223 224 extern struct device_node *of_find_node_by_path(const char *path); 225 extern struct device_node *of_find_node_by_phandle(phandle handle); 226 extern struct device_node *of_get_parent(const struct device_node *node); 227 extern struct device_node *of_get_next_parent(struct device_node *node); 228 extern struct device_node *of_get_next_child(const struct device_node *node, 229 struct device_node *prev); 230 extern struct device_node *of_get_next_available_child( 231 const struct device_node *node, struct device_node *prev); 232 233 extern struct device_node *of_get_child_by_name(const struct device_node *node, 234 const char *name); 235 236 /* cache lookup */ 237 extern struct device_node *of_find_next_cache_node(const struct device_node *); 238 extern struct device_node *of_find_node_with_property( 239 struct device_node *from, const char *prop_name); 240 241 extern struct property *of_find_property(const struct device_node *np, 242 const char *name, 243 int *lenp); 244 extern int of_property_count_elems_of_size(const struct device_node *np, 245 const char *propname, int elem_size); 246 extern int of_property_read_u32_index(const struct device_node *np, 247 const char *propname, 248 u32 index, u32 *out_value); 249 extern int of_property_read_u8_array(const struct device_node *np, 250 const char *propname, u8 *out_values, size_t sz); 251 extern int of_property_read_u16_array(const struct device_node *np, 252 const char *propname, u16 *out_values, size_t sz); 253 extern int of_property_read_u32_array(const struct device_node *np, 254 const char *propname, 255 u32 *out_values, 256 size_t sz); 257 extern int of_property_read_u64(const struct device_node *np, 258 const char *propname, u64 *out_value); 259 260 extern int of_property_read_string(struct device_node *np, 261 const char *propname, 262 const char **out_string); 263 extern int of_property_read_string_index(struct device_node *np, 264 const char *propname, 265 int index, const char **output); 266 extern int of_property_match_string(struct device_node *np, 267 const char *propname, 268 const char *string); 269 extern int of_property_count_strings(struct device_node *np, 270 const char *propname); 271 extern int of_device_is_compatible(const struct device_node *device, 272 const char *); 273 extern int of_device_is_available(const struct device_node *device); 274 extern const void *of_get_property(const struct device_node *node, 275 const char *name, 276 int *lenp); 277 extern struct device_node *of_get_cpu_node(int cpu, unsigned int *thread); 278 #define for_each_property_of_node(dn, pp) \ 279 for (pp = dn->properties; pp != NULL; pp = pp->next) 280 281 extern int of_n_addr_cells(struct device_node *np); 282 extern int of_n_size_cells(struct device_node *np); 283 extern const struct of_device_id *of_match_node( 284 const struct of_device_id *matches, const struct device_node *node); 285 extern int of_modalias_node(struct device_node *node, char *modalias, int len); 286 extern void of_print_phandle_args(const char *msg, const struct of_phandle_args *args); 287 extern struct device_node *of_parse_phandle(const struct device_node *np, 288 const char *phandle_name, 289 int index); 290 extern int of_parse_phandle_with_args(const struct device_node *np, 291 const char *list_name, const char *cells_name, int index, 292 struct of_phandle_args *out_args); 293 extern int of_parse_phandle_with_fixed_args(const struct device_node *np, 294 const char *list_name, int cells_count, int index, 295 struct of_phandle_args *out_args); 296 extern int of_count_phandle_with_args(const struct device_node *np, 297 const char *list_name, const char *cells_name); 298 299 extern void of_alias_scan(void * (*dt_alloc)(u64 size, u64 align)); 300 extern int of_alias_get_id(struct device_node *np, const char *stem); 301 302 extern int of_machine_is_compatible(const char *compat); 303 304 extern int of_add_property(struct device_node *np, struct property *prop); 305 extern int of_remove_property(struct device_node *np, struct property *prop); 306 extern int of_update_property(struct device_node *np, struct property *newprop); 307 308 /* For updating the device tree at runtime */ 309 #define OF_RECONFIG_ATTACH_NODE 0x0001 310 #define OF_RECONFIG_DETACH_NODE 0x0002 311 #define OF_RECONFIG_ADD_PROPERTY 0x0003 312 #define OF_RECONFIG_REMOVE_PROPERTY 0x0004 313 #define OF_RECONFIG_UPDATE_PROPERTY 0x0005 314 315 struct of_prop_reconfig { 316 struct device_node *dn; 317 struct property *prop; 318 }; 319 320 extern int of_reconfig_notifier_register(struct notifier_block *); 321 extern int of_reconfig_notifier_unregister(struct notifier_block *); 322 extern int of_reconfig_notify(unsigned long, void *); 323 324 extern int of_attach_node(struct device_node *); 325 extern int of_detach_node(struct device_node *); 326 327 #define of_match_ptr(_ptr) (_ptr) 328 329 /* 330 * struct property *prop; 331 * const __be32 *p; 332 * u32 u; 333 * 334 * of_property_for_each_u32(np, "propname", prop, p, u) 335 * printk("U32 value: %x\n", u); 336 */ 337 const __be32 *of_prop_next_u32(struct property *prop, const __be32 *cur, 338 u32 *pu); 339 /* 340 * struct property *prop; 341 * const char *s; 342 * 343 * of_property_for_each_string(np, "propname", prop, s) 344 * printk("String value: %s\n", s); 345 */ 346 const char *of_prop_next_string(struct property *prop, const char *cur); 347 348 int of_device_is_stdout_path(struct device_node *dn); 349 350 #else /* CONFIG_OF */ 351 352 static inline const char* of_node_full_name(struct device_node *np) 353 { 354 return "<no-node>"; 355 } 356 357 static inline struct device_node *of_find_node_by_name(struct device_node *from, 358 const char *name) 359 { 360 return NULL; 361 } 362 363 static inline struct device_node *of_find_node_by_type(struct device_node *from, 364 const char *type) 365 { 366 return NULL; 367 } 368 369 static inline struct device_node *of_find_matching_node_and_match( 370 struct device_node *from, 371 const struct of_device_id *matches, 372 const struct of_device_id **match) 373 { 374 return NULL; 375 } 376 377 static inline struct device_node *of_find_node_by_path(const char *path) 378 { 379 return NULL; 380 } 381 382 static inline struct device_node *of_get_parent(const struct device_node *node) 383 { 384 return NULL; 385 } 386 387 static inline struct device_node *of_get_next_child( 388 const struct device_node *node, struct device_node *prev) 389 { 390 return NULL; 391 } 392 393 static inline struct device_node *of_get_next_available_child( 394 const struct device_node *node, struct device_node *prev) 395 { 396 return NULL; 397 } 398 399 static inline struct device_node *of_find_node_with_property( 400 struct device_node *from, const char *prop_name) 401 { 402 return NULL; 403 } 404 405 static inline bool of_have_populated_dt(void) 406 { 407 return false; 408 } 409 410 static inline struct device_node *of_get_child_by_name( 411 const struct device_node *node, 412 const char *name) 413 { 414 return NULL; 415 } 416 417 static inline int of_device_is_compatible(const struct device_node *device, 418 const char *name) 419 { 420 return 0; 421 } 422 423 static inline int of_device_is_available(const struct device_node *device) 424 { 425 return 0; 426 } 427 428 static inline struct property *of_find_property(const struct device_node *np, 429 const char *name, 430 int *lenp) 431 { 432 return NULL; 433 } 434 435 static inline struct device_node *of_find_compatible_node( 436 struct device_node *from, 437 const char *type, 438 const char *compat) 439 { 440 return NULL; 441 } 442 443 static inline int of_property_count_elems_of_size(const struct device_node *np, 444 const char *propname, int elem_size) 445 { 446 return -ENOSYS; 447 } 448 449 static inline int of_property_read_u32_index(const struct device_node *np, 450 const char *propname, u32 index, u32 *out_value) 451 { 452 return -ENOSYS; 453 } 454 455 static inline int of_property_read_u8_array(const struct device_node *np, 456 const char *propname, u8 *out_values, size_t sz) 457 { 458 return -ENOSYS; 459 } 460 461 static inline int of_property_read_u16_array(const struct device_node *np, 462 const char *propname, u16 *out_values, size_t sz) 463 { 464 return -ENOSYS; 465 } 466 467 static inline int of_property_read_u32_array(const struct device_node *np, 468 const char *propname, 469 u32 *out_values, size_t sz) 470 { 471 return -ENOSYS; 472 } 473 474 static inline int of_property_read_string(struct device_node *np, 475 const char *propname, 476 const char **out_string) 477 { 478 return -ENOSYS; 479 } 480 481 static inline int of_property_read_string_index(struct device_node *np, 482 const char *propname, int index, 483 const char **out_string) 484 { 485 return -ENOSYS; 486 } 487 488 static inline int of_property_count_strings(struct device_node *np, 489 const char *propname) 490 { 491 return -ENOSYS; 492 } 493 494 static inline const void *of_get_property(const struct device_node *node, 495 const char *name, 496 int *lenp) 497 { 498 return NULL; 499 } 500 501 static inline struct device_node *of_get_cpu_node(int cpu, 502 unsigned int *thread) 503 { 504 return NULL; 505 } 506 507 static inline int of_property_read_u64(const struct device_node *np, 508 const char *propname, u64 *out_value) 509 { 510 return -ENOSYS; 511 } 512 513 static inline int of_property_match_string(struct device_node *np, 514 const char *propname, 515 const char *string) 516 { 517 return -ENOSYS; 518 } 519 520 static inline struct device_node *of_parse_phandle(const struct device_node *np, 521 const char *phandle_name, 522 int index) 523 { 524 return NULL; 525 } 526 527 static inline int of_parse_phandle_with_args(struct device_node *np, 528 const char *list_name, 529 const char *cells_name, 530 int index, 531 struct of_phandle_args *out_args) 532 { 533 return -ENOSYS; 534 } 535 536 static inline int of_parse_phandle_with_fixed_args(const struct device_node *np, 537 const char *list_name, int cells_count, int index, 538 struct of_phandle_args *out_args) 539 { 540 return -ENOSYS; 541 } 542 543 static inline int of_count_phandle_with_args(struct device_node *np, 544 const char *list_name, 545 const char *cells_name) 546 { 547 return -ENOSYS; 548 } 549 550 static inline int of_alias_get_id(struct device_node *np, const char *stem) 551 { 552 return -ENOSYS; 553 } 554 555 static inline int of_machine_is_compatible(const char *compat) 556 { 557 return 0; 558 } 559 560 static inline int of_device_is_stdout_path(struct device_node *dn) 561 { 562 return 0; 563 } 564 565 static inline const __be32 *of_prop_next_u32(struct property *prop, 566 const __be32 *cur, u32 *pu) 567 { 568 return NULL; 569 } 570 571 static inline const char *of_prop_next_string(struct property *prop, 572 const char *cur) 573 { 574 return NULL; 575 } 576 577 #define of_match_ptr(_ptr) NULL 578 #define of_match_node(_matches, _node) NULL 579 #endif /* CONFIG_OF */ 580 581 #if defined(CONFIG_OF) && defined(CONFIG_NUMA) 582 extern int of_node_to_nid(struct device_node *np); 583 #else 584 static inline int of_node_to_nid(struct device_node *device) { return 0; } 585 #endif 586 587 static inline struct device_node *of_find_matching_node( 588 struct device_node *from, 589 const struct of_device_id *matches) 590 { 591 return of_find_matching_node_and_match(from, matches, NULL); 592 } 593 594 /** 595 * of_property_count_u8_elems - Count the number of u8 elements in a property 596 * 597 * @np: device node from which the property value is to be read. 598 * @propname: name of the property to be searched. 599 * 600 * Search for a property in a device node and count the number of u8 elements 601 * in it. Returns number of elements on sucess, -EINVAL if the property does 602 * not exist or its length does not match a multiple of u8 and -ENODATA if the 603 * property does not have a value. 604 */ 605 static inline int of_property_count_u8_elems(const struct device_node *np, 606 const char *propname) 607 { 608 return of_property_count_elems_of_size(np, propname, sizeof(u8)); 609 } 610 611 /** 612 * of_property_count_u16_elems - Count the number of u16 elements in a property 613 * 614 * @np: device node from which the property value is to be read. 615 * @propname: name of the property to be searched. 616 * 617 * Search for a property in a device node and count the number of u16 elements 618 * in it. Returns number of elements on sucess, -EINVAL if the property does 619 * not exist or its length does not match a multiple of u16 and -ENODATA if the 620 * property does not have a value. 621 */ 622 static inline int of_property_count_u16_elems(const struct device_node *np, 623 const char *propname) 624 { 625 return of_property_count_elems_of_size(np, propname, sizeof(u16)); 626 } 627 628 /** 629 * of_property_count_u32_elems - Count the number of u32 elements in a property 630 * 631 * @np: device node from which the property value is to be read. 632 * @propname: name of the property to be searched. 633 * 634 * Search for a property in a device node and count the number of u32 elements 635 * in it. Returns number of elements on sucess, -EINVAL if the property does 636 * not exist or its length does not match a multiple of u32 and -ENODATA if the 637 * property does not have a value. 638 */ 639 static inline int of_property_count_u32_elems(const struct device_node *np, 640 const char *propname) 641 { 642 return of_property_count_elems_of_size(np, propname, sizeof(u32)); 643 } 644 645 /** 646 * of_property_count_u64_elems - Count the number of u64 elements in a property 647 * 648 * @np: device node from which the property value is to be read. 649 * @propname: name of the property to be searched. 650 * 651 * Search for a property in a device node and count the number of u64 elements 652 * in it. Returns number of elements on sucess, -EINVAL if the property does 653 * not exist or its length does not match a multiple of u64 and -ENODATA if the 654 * property does not have a value. 655 */ 656 static inline int of_property_count_u64_elems(const struct device_node *np, 657 const char *propname) 658 { 659 return of_property_count_elems_of_size(np, propname, sizeof(u64)); 660 } 661 662 /** 663 * of_property_read_bool - Findfrom a property 664 * @np: device node from which the property value is to be read. 665 * @propname: name of the property to be searched. 666 * 667 * Search for a property in a device node. 668 * Returns true if the property exist false otherwise. 669 */ 670 static inline bool of_property_read_bool(const struct device_node *np, 671 const char *propname) 672 { 673 struct property *prop = of_find_property(np, propname, NULL); 674 675 return prop ? true : false; 676 } 677 678 static inline int of_property_read_u8(const struct device_node *np, 679 const char *propname, 680 u8 *out_value) 681 { 682 return of_property_read_u8_array(np, propname, out_value, 1); 683 } 684 685 static inline int of_property_read_u16(const struct device_node *np, 686 const char *propname, 687 u16 *out_value) 688 { 689 return of_property_read_u16_array(np, propname, out_value, 1); 690 } 691 692 static inline int of_property_read_u32(const struct device_node *np, 693 const char *propname, 694 u32 *out_value) 695 { 696 return of_property_read_u32_array(np, propname, out_value, 1); 697 } 698 699 #define of_property_for_each_u32(np, propname, prop, p, u) \ 700 for (prop = of_find_property(np, propname, NULL), \ 701 p = of_prop_next_u32(prop, NULL, &u); \ 702 p; \ 703 p = of_prop_next_u32(prop, p, &u)) 704 705 #define of_property_for_each_string(np, propname, prop, s) \ 706 for (prop = of_find_property(np, propname, NULL), \ 707 s = of_prop_next_string(prop, NULL); \ 708 s; \ 709 s = of_prop_next_string(prop, s)) 710 711 #define for_each_node_by_name(dn, name) \ 712 for (dn = of_find_node_by_name(NULL, name); dn; \ 713 dn = of_find_node_by_name(dn, name)) 714 #define for_each_node_by_type(dn, type) \ 715 for (dn = of_find_node_by_type(NULL, type); dn; \ 716 dn = of_find_node_by_type(dn, type)) 717 #define for_each_compatible_node(dn, type, compatible) \ 718 for (dn = of_find_compatible_node(NULL, type, compatible); dn; \ 719 dn = of_find_compatible_node(dn, type, compatible)) 720 #define for_each_matching_node(dn, matches) \ 721 for (dn = of_find_matching_node(NULL, matches); dn; \ 722 dn = of_find_matching_node(dn, matches)) 723 #define for_each_matching_node_and_match(dn, matches, match) \ 724 for (dn = of_find_matching_node_and_match(NULL, matches, match); \ 725 dn; dn = of_find_matching_node_and_match(dn, matches, match)) 726 727 #define for_each_child_of_node(parent, child) \ 728 for (child = of_get_next_child(parent, NULL); child != NULL; \ 729 child = of_get_next_child(parent, child)) 730 #define for_each_available_child_of_node(parent, child) \ 731 for (child = of_get_next_available_child(parent, NULL); child != NULL; \ 732 child = of_get_next_available_child(parent, child)) 733 734 #define for_each_node_with_property(dn, prop_name) \ 735 for (dn = of_find_node_with_property(NULL, prop_name); dn; \ 736 dn = of_find_node_with_property(dn, prop_name)) 737 738 static inline int of_get_child_count(const struct device_node *np) 739 { 740 struct device_node *child; 741 int num = 0; 742 743 for_each_child_of_node(np, child) 744 num++; 745 746 return num; 747 } 748 749 static inline int of_get_available_child_count(const struct device_node *np) 750 { 751 struct device_node *child; 752 int num = 0; 753 754 for_each_available_child_of_node(np, child) 755 num++; 756 757 return num; 758 } 759 760 #endif /* _LINUX_OF_H */ 761