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-rw-r--r--include/linux/of.h29
1 files changed, 29 insertions, 0 deletions
diff --git a/include/linux/of.h b/include/linux/of.h
index a0f129284948..1fd08ca23106 100644
--- a/include/linux/of.h
+++ b/include/linux/of.h
@@ -235,6 +235,9 @@ extern struct device_node *of_find_node_with_property(
235extern struct property *of_find_property(const struct device_node *np, 235extern struct property *of_find_property(const struct device_node *np,
236 const char *name, 236 const char *name,
237 int *lenp); 237 int *lenp);
238extern int of_property_read_u32_index(const struct device_node *np,
239 const char *propname,
240 u32 index, u32 *out_value);
238extern int of_property_read_u8_array(const struct device_node *np, 241extern int of_property_read_u8_array(const struct device_node *np,
239 const char *propname, u8 *out_values, size_t sz); 242 const char *propname, u8 *out_values, size_t sz);
240extern int of_property_read_u16_array(const struct device_node *np, 243extern int of_property_read_u16_array(const struct device_node *np,
@@ -353,6 +356,11 @@ static inline struct device_node *of_find_node_by_name(struct device_node *from,
353 return NULL; 356 return NULL;
354} 357}
355 358
359static inline struct device_node *of_get_parent(const struct device_node *node)
360{
361 return NULL;
362}
363
356static inline bool of_have_populated_dt(void) 364static inline bool of_have_populated_dt(void)
357{ 365{
358 return false; 366 return false;
@@ -379,6 +387,11 @@ static inline int of_device_is_compatible(const struct device_node *device,
379 return 0; 387 return 0;
380} 388}
381 389
390static inline int of_device_is_available(const struct device_node *device)
391{
392 return 0;
393}
394
382static inline struct property *of_find_property(const struct device_node *np, 395static inline struct property *of_find_property(const struct device_node *np,
383 const char *name, 396 const char *name,
384 int *lenp) 397 int *lenp)
@@ -394,6 +407,12 @@ static inline struct device_node *of_find_compatible_node(
394 return NULL; 407 return NULL;
395} 408}
396 409
410static inline int of_property_read_u32_index(const struct device_node *np,
411 const char *propname, u32 index, u32 *out_value)
412{
413 return -ENOSYS;
414}
415
397static inline int of_property_read_u8_array(const struct device_node *np, 416static inline int of_property_read_u8_array(const struct device_node *np,
398 const char *propname, u8 *out_values, size_t sz) 417 const char *propname, u8 *out_values, size_t sz)
399{ 418{
@@ -540,4 +559,14 @@ static inline int of_property_read_u32(const struct device_node *np,
540 return of_property_read_u32_array(np, propname, out_value, 1); 559 return of_property_read_u32_array(np, propname, out_value, 1);
541} 560}
542 561
562#if defined(CONFIG_PROC_FS) && defined(CONFIG_PROC_DEVICETREE)
563extern void proc_device_tree_add_node(struct device_node *, struct proc_dir_entry *);
564extern void proc_device_tree_add_prop(struct proc_dir_entry *pde, struct property *prop);
565extern void proc_device_tree_remove_prop(struct proc_dir_entry *pde,
566 struct property *prop);
567extern void proc_device_tree_update_prop(struct proc_dir_entry *pde,
568 struct property *newprop,
569 struct property *oldprop);
570#endif
571
543#endif /* _LINUX_OF_H */ 572#endif /* _LINUX_OF_H */