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ced4eec9 SM |
1 | #ifndef _LINUX_OF_PRIVATE_H |
2 | #define _LINUX_OF_PRIVATE_H | |
3 | /* | |
4 | * Private symbols used by OF support code | |
5 | * | |
6 | * Paul Mackerras August 1996. | |
7 | * Copyright (C) 1996-2005 Paul Mackerras. | |
8 | * | |
9 | * This program is free software; you can redistribute it and/or | |
10 | * modify it under the terms of the GNU General Public License | |
11 | * as published by the Free Software Foundation; either version | |
12 | * 2 of the License, or (at your option) any later version. | |
13 | */ | |
14 | ||
15 | /** | |
16 | * struct alias_prop - Alias property in 'aliases' node | |
17 | * @link: List node to link the structure in aliases_lookup list | |
18 | * @alias: Alias property name | |
19 | * @np: Pointer to device_node that the alias stands for | |
20 | * @id: Index value from end of alias name | |
21 | * @stem: Alias string without the index | |
22 | * | |
23 | * The structure represents one alias property of 'aliases' node as | |
24 | * an entry in aliases_lookup list. | |
25 | */ | |
26 | struct alias_prop { | |
27 | struct list_head link; | |
28 | const char *alias; | |
29 | struct device_node *np; | |
30 | int id; | |
31 | char stem[0]; | |
32 | }; | |
33 | ||
c05aba2b | 34 | extern struct mutex of_mutex; |
ced4eec9 | 35 | extern struct list_head aliases_lookup; |
6afc0dc3 GL |
36 | |
37 | static inline struct device_node *kobj_to_device_node(struct kobject *kobj) | |
38 | { | |
39 | return container_of(kobj, struct device_node, kobj); | |
40 | } | |
41 | ||
42 | #if defined(CONFIG_OF_DYNAMIC) | |
43 | extern int of_property_notify(int action, struct device_node *np, | |
44 | struct property *prop); | |
45 | extern void of_node_release(struct kobject *kobj); | |
46 | #else /* CONFIG_OF_DYNAMIC */ | |
47 | static inline int of_property_notify(int action, struct device_node *np, | |
48 | struct property *prop) | |
49 | { | |
50 | return 0; | |
51 | } | |
52 | #endif /* CONFIG_OF_DYNAMIC */ | |
53 | ||
69843396 PA |
54 | /** |
55 | * General utilities for working with live trees. | |
56 | * | |
57 | * All functions with two leading underscores operate | |
58 | * without taking node references, so you either have to | |
59 | * own the devtree lock or work on detached trees only. | |
60 | */ | |
61 | struct property *__of_prop_dup(const struct property *prop, gfp_t allocflags); | |
62 | struct device_node *__of_node_alloc(const char *full_name, gfp_t allocflags); | |
63 | ||
d8c50088 PA |
64 | extern int __of_add_property(struct device_node *np, struct property *prop); |
65 | extern int __of_remove_property(struct device_node *np, struct property *prop); | |
66 | extern int __of_update_property(struct device_node *np, | |
67 | struct property *newprop, struct property **oldprop); | |
68 | ||
69 | extern void __of_attach_node(struct device_node *np); | |
70 | extern void __of_detach_node(struct device_node *np); | |
71 | ||
ced4eec9 | 72 | #endif /* _LINUX_OF_PRIVATE_H */ |