drivers/of/of_private.h

Source file repositories/reference/linux-study-clean/drivers/of/of_private.h

File Facts

System
Linux kernel
Corpus path
drivers/of/of_private.h
Extension
.h
Size
7197 bytes
Lines
223
Domain
Driver Families
Bucket
drivers/of
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

struct alias_prop {
	struct list_head link;
	const char *alias;
	struct device_node *np;
	int id;
	char stem[];
};

#if defined(CONFIG_SPARC)
#define OF_ROOT_NODE_ADDR_CELLS_DEFAULT 2
#else
#define OF_ROOT_NODE_ADDR_CELLS_DEFAULT 1
#endif

#define OF_ROOT_NODE_SIZE_CELLS_DEFAULT 1

extern struct mutex of_mutex;
extern raw_spinlock_t devtree_lock;
extern struct list_head aliases_lookup;
extern struct kset *of_kset;

struct kunit;
extern void of_root_kunit_skip(struct kunit *test);

#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);
extern int __of_changeset_apply_entries(struct of_changeset *ocs,
					int *ret_revert);
extern int __of_changeset_apply_notify(struct of_changeset *ocs);
extern int __of_changeset_revert_entries(struct of_changeset *ocs,
					 int *ret_apply);
extern int __of_changeset_revert_notify(struct of_changeset *ocs);
#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 */

#if defined(CONFIG_OF_DYNAMIC) && defined(CONFIG_OF_ADDRESS)
void of_platform_register_reconfig_notifier(void);
#else
static inline void of_platform_register_reconfig_notifier(void) { }
#endif

#if defined(CONFIG_OF_KOBJ)
int of_node_is_attached(const struct device_node *node);
int __of_add_property_sysfs(struct device_node *np, struct property *pp);
void __of_remove_property_sysfs(struct device_node *np, const struct property *prop);
void __of_update_property_sysfs(struct device_node *np, struct property *newprop,
		const struct property *oldprop);
int __of_attach_node_sysfs(struct device_node *np);
void __of_detach_node_sysfs(struct device_node *np);
#else
static inline int __of_add_property_sysfs(struct device_node *np, struct property *pp)
{
	return 0;
}
static inline void __of_remove_property_sysfs(struct device_node *np, const struct property *prop) {}
static inline void __of_update_property_sysfs(struct device_node *np,
		struct property *newprop, const struct property *oldprop) {}
static inline int __of_attach_node_sysfs(struct device_node *np)
{
	return 0;
}
static inline void __of_detach_node_sysfs(struct device_node *np) {}
#endif

#if defined(CONFIG_OF_RESOLVE)
int of_resolve_phandles(struct device_node *tree);
#endif

void __of_phandle_cache_inv_entry(phandle handle);

#if defined(CONFIG_OF_OVERLAY)
void of_overlay_mutex_lock(void);
void of_overlay_mutex_unlock(void);
#else
static inline void of_overlay_mutex_lock(void) {};
static inline void of_overlay_mutex_unlock(void) {};
#endif

#if defined(CONFIG_OF_UNITTEST) && defined(CONFIG_OF_OVERLAY)
extern void __init unittest_unflatten_overlay_base(void);
#else
static inline void unittest_unflatten_overlay_base(void) {};
#endif

Annotation

Implementation Notes