diff options
Diffstat (limited to 'drivers/of/of_private.h')
| -rw-r--r-- | drivers/of/of_private.h | 59 |
1 files changed, 58 insertions, 1 deletions
diff --git a/drivers/of/of_private.h b/drivers/of/of_private.h index ff350c8fa7ac..8e882e706cd8 100644 --- a/drivers/of/of_private.h +++ b/drivers/of/of_private.h @@ -31,6 +31,63 @@ struct alias_prop { char stem[0]; }; -extern struct mutex of_aliases_mutex; +extern struct mutex of_mutex; extern struct list_head aliases_lookup; +extern struct kset *of_kset; + + +static inline struct device_node *kobj_to_device_node(struct kobject *kobj) +{ + return container_of(kobj, struct device_node, kobj); +} + +#if defined(CONFIG_OF_DYNAMIC) +extern int of_property_notify(int action, struct device_node *np, + struct property *prop, struct property *old_prop); +extern void of_node_release(struct kobject *kobj); +#else /* CONFIG_OF_DYNAMIC */ +static inline int of_property_notify(int action, struct device_node *np, + struct property *prop, struct property *old_prop) +{ + return 0; +} +#endif /* CONFIG_OF_DYNAMIC */ + +/** + * General utilities for working with live trees. + * + * All functions with two leading underscores operate + * without taking node references, so you either have to + * own the devtree lock or work on detached trees only. + */ +struct property *__of_prop_dup(const struct property *prop, gfp_t allocflags); +__printf(2, 3) struct device_node *__of_node_dup(const struct device_node *np, const char *fmt, ...); + +extern const void *__of_get_property(const struct device_node *np, + const char *name, int *lenp); +extern int __of_add_property(struct device_node *np, struct property *prop); +extern int __of_add_property_sysfs(struct device_node *np, + struct property *prop); +extern int __of_remove_property(struct device_node *np, struct property *prop); +extern void __of_remove_property_sysfs(struct device_node *np, + struct property *prop); +extern int __of_update_property(struct device_node *np, + struct property *newprop, struct property **oldprop); +extern void __of_update_property_sysfs(struct device_node *np, + struct property *newprop, struct property *oldprop); + +extern void __of_attach_node(struct device_node *np); +extern int __of_attach_node_sysfs(struct device_node *np); +extern void __of_detach_node(struct device_node *np); +extern void __of_detach_node_sysfs(struct device_node *np); + +/* iterators for transactions, used for overlays */ +/* forward iterator */ +#define for_each_transaction_entry(_oft, _te) \ + list_for_each_entry(_te, &(_oft)->te_list, node) + +/* reverse iterator */ +#define for_each_transaction_entry_reverse(_oft, _te) \ + list_for_each_entry_reverse(_te, &(_oft)->te_list, node) + #endif /* _LINUX_OF_PRIVATE_H */ |