1 #ifndef _LINUX_OF_PRIVATE_H
2 #define _LINUX_OF_PRIVATE_H
4 * Private symbols used by OF support code
6 * Paul Mackerras August 1996.
7 * Copyright (C) 1996-2005 Paul Mackerras.
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.
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
23 * The structure represents one alias property of 'aliases' node as
24 * an entry in aliases_lookup list.
27 struct list_head link
;
29 struct device_node
*np
;
34 extern struct mutex of_mutex
;
35 extern struct list_head aliases_lookup
;
36 extern struct kset
*of_kset
;
39 static inline struct device_node
*kobj_to_device_node(struct kobject
*kobj
)
41 return container_of(kobj
, struct device_node
, kobj
);
44 #if defined(CONFIG_OF_DYNAMIC)
45 extern int of_property_notify(int action
, struct device_node
*np
,
46 struct property
*prop
, struct property
*old_prop
);
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
,
50 struct property
*prop
, struct property
*old_prop
)
54 #endif /* CONFIG_OF_DYNAMIC */
57 * General utilities for working with live trees.
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.
63 struct property
*__of_prop_dup(const struct property
*prop
, gfp_t allocflags
);
64 __printf(2, 3) struct device_node
*__of_node_dup(const struct device_node
*np
, const char *fmt
, ...);
66 extern const void *__of_get_property(const struct device_node
*np
,
67 const char *name
, int *lenp
);
68 extern int __of_add_property(struct device_node
*np
, struct property
*prop
);
69 extern int __of_add_property_sysfs(struct device_node
*np
,
70 struct property
*prop
);
71 extern int __of_remove_property(struct device_node
*np
, struct property
*prop
);
72 extern void __of_remove_property_sysfs(struct device_node
*np
,
73 struct property
*prop
);
74 extern int __of_update_property(struct device_node
*np
,
75 struct property
*newprop
, struct property
**oldprop
);
76 extern void __of_update_property_sysfs(struct device_node
*np
,
77 struct property
*newprop
, struct property
*oldprop
);
79 extern void __of_attach_node(struct device_node
*np
);
80 extern int __of_attach_node_sysfs(struct device_node
*np
);
81 extern void __of_detach_node(struct device_node
*np
);
82 extern void __of_detach_node_sysfs(struct device_node
*np
);
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)
89 /* reverse iterator */
90 #define for_each_transaction_entry_reverse(_oft, _te) \
91 list_for_each_entry_reverse(_te, &(_oft)->te_list, node)
93 #endif /* _LINUX_OF_PRIVATE_H */
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