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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; |
8a2b22a2 GL |
36 | extern struct kset *of_kset; |
37 | ||
6afc0dc3 GL |
38 | |
39 | static inline struct device_node *kobj_to_device_node(struct kobject *kobj) | |
40 | { | |
41 | return container_of(kobj, struct device_node, kobj); | |
42 | } | |
43 | ||
44 | #if defined(CONFIG_OF_DYNAMIC) | |
45 | extern int of_property_notify(int action, struct device_node *np, | |
259092a3 | 46 | struct property *prop, struct property *old_prop); |
6afc0dc3 GL |
47 | extern void of_node_release(struct kobject *kobj); |
48 | #else /* CONFIG_OF_DYNAMIC */ | |
49 | static inline int of_property_notify(int action, struct device_node *np, | |
259092a3 | 50 | struct property *prop, struct property *old_prop) |
6afc0dc3 GL |
51 | { |
52 | return 0; | |
53 | } | |
54 | #endif /* CONFIG_OF_DYNAMIC */ | |
55 | ||
69843396 PA |
56 | /** |
57 | * General utilities for working with live trees. | |
58 | * | |
59 | * All functions with two leading underscores operate | |
60 | * without taking node references, so you either have to | |
61 | * own the devtree lock or work on detached trees only. | |
62 | */ | |
63 | struct property *__of_prop_dup(const struct property *prop, gfp_t allocflags); | |
e5179581 | 64 | __printf(2, 3) struct device_node *__of_node_dup(const struct device_node *np, const char *fmt, ...); |
69843396 | 65 | |
a25095d4 GL |
66 | extern const void *__of_get_property(const struct device_node *np, |
67 | const char *name, int *lenp); | |
d8c50088 | 68 | extern int __of_add_property(struct device_node *np, struct property *prop); |
8a2b22a2 GL |
69 | extern int __of_add_property_sysfs(struct device_node *np, |
70 | struct property *prop); | |
d8c50088 | 71 | extern int __of_remove_property(struct device_node *np, struct property *prop); |
8a2b22a2 GL |
72 | extern void __of_remove_property_sysfs(struct device_node *np, |
73 | struct property *prop); | |
d8c50088 PA |
74 | extern int __of_update_property(struct device_node *np, |
75 | struct property *newprop, struct property **oldprop); | |
8a2b22a2 GL |
76 | extern void __of_update_property_sysfs(struct device_node *np, |
77 | struct property *newprop, struct property *oldprop); | |
d8c50088 PA |
78 | |
79 | extern void __of_attach_node(struct device_node *np); | |
8a2b22a2 | 80 | extern int __of_attach_node_sysfs(struct device_node *np); |
d8c50088 | 81 | extern void __of_detach_node(struct device_node *np); |
8a2b22a2 | 82 | extern void __of_detach_node_sysfs(struct device_node *np); |
d8c50088 | 83 | |
201c910b PA |
84 | /* iterators for transactions, used for overlays */ |
85 | /* forward iterator */ | |
86 | #define for_each_transaction_entry(_oft, _te) \ | |
87 | list_for_each_entry(_te, &(_oft)->te_list, node) | |
88 | ||
89 | /* reverse iterator */ | |
90 | #define for_each_transaction_entry_reverse(_oft, _te) \ | |
91 | list_for_each_entry_reverse(_te, &(_oft)->te_list, node) | |
92 | ||
ced4eec9 | 93 | #endif /* _LINUX_OF_PRIVATE_H */ |