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96 lines
3.3 KiB
96 lines
3.3 KiB
#ifndef _LINUX_OF_PRIVATE_H |
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#define _LINUX_OF_PRIVATE_H |
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/* |
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* Private symbols used by OF support code |
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* |
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* Paul Mackerras August 1996. |
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* Copyright (C) 1996-2005 Paul Mackerras. |
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License |
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* as published by the Free Software Foundation; either version |
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* 2 of the License, or (at your option) any later version. |
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*/ |
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/** |
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* struct alias_prop - Alias property in 'aliases' node |
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* @link: List node to link the structure in aliases_lookup list |
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* @alias: Alias property name |
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* @np: Pointer to device_node that the alias stands for |
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* @id: Index value from end of alias name |
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* @stem: Alias string without the index |
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* |
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* The structure represents one alias property of 'aliases' node as |
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* an entry in aliases_lookup list. |
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*/ |
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struct alias_prop { |
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struct list_head link; |
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const char *alias; |
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struct device_node *np; |
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int id; |
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char stem[0]; |
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}; |
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extern struct mutex of_mutex; |
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extern struct list_head aliases_lookup; |
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extern struct kset *of_kset; |
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static inline struct device_node *kobj_to_device_node(struct kobject *kobj) |
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{ |
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return container_of(kobj, struct device_node, kobj); |
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} |
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#if defined(CONFIG_OF_DYNAMIC) |
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extern int of_property_notify(int action, struct device_node *np, |
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struct property *prop, struct property *old_prop); |
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extern void of_node_release(struct kobject *kobj); |
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#else /* CONFIG_OF_DYNAMIC */ |
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static inline int of_property_notify(int action, struct device_node *np, |
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struct property *prop, struct property *old_prop) |
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{ |
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return 0; |
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} |
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#endif /* CONFIG_OF_DYNAMIC */ |
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/** |
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* General utilities for working with live trees. |
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* |
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* All functions with two leading underscores operate |
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* without taking node references, so you either have to |
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* own the devtree lock or work on detached trees only. |
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*/ |
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struct property *__of_prop_dup(const struct property *prop, gfp_t allocflags); |
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__printf(2, 3) struct device_node *__of_node_dup(const struct device_node *np, const char *fmt, ...); |
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extern const void *__of_get_property(const struct device_node *np, |
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const char *name, int *lenp); |
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extern int __of_add_property(struct device_node *np, struct property *prop); |
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extern int __of_add_property_sysfs(struct device_node *np, |
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struct property *prop); |
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extern int __of_remove_property(struct device_node *np, struct property *prop); |
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extern void __of_remove_property_sysfs(struct device_node *np, |
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struct property *prop); |
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extern int __of_update_property(struct device_node *np, |
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struct property *newprop, struct property **oldprop); |
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extern void __of_update_property_sysfs(struct device_node *np, |
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struct property *newprop, struct property *oldprop); |
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extern void __of_attach_node(struct device_node *np); |
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extern int __of_attach_node_sysfs(struct device_node *np); |
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extern void __of_detach_node(struct device_node *np); |
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extern void __of_detach_node_sysfs(struct device_node *np); |
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extern void __of_sysfs_remove_bin_file(struct device_node *np, |
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struct property *prop); |
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/* iterators for transactions, used for overlays */ |
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/* forward iterator */ |
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#define for_each_transaction_entry(_oft, _te) \ |
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list_for_each_entry(_te, &(_oft)->te_list, node) |
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/* reverse iterator */ |
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#define for_each_transaction_entry_reverse(_oft, _te) \ |
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list_for_each_entry_reverse(_te, &(_oft)->te_list, node) |
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#endif /* _LINUX_OF_PRIVATE_H */
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