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Commit f6892d19 authored by Grant Likely's avatar Grant Likely
Browse files

of/reconfig: Add empty stubs for the of_reconfig methods 



To simplify subsystem setup code, make empty stubs for the
of_reconfig_*() methods. This is particularly useful for registering and
unregistering the notifiers so that it doesn't impact the flow of the
subsystem setup code.

Signed-off-by: default avatarGrant Likely <grant.likely@linaro.org>
parent b53a2340

include/linux/of.h

+23 −6
Original line number Diff line number Diff line
@@ -324,11 +324,6 @@ struct of_prop_reconfig { 
	struct property		*old_prop;

};



extern int of_reconfig_notifier_register(struct notifier_block *);

extern int of_reconfig_notifier_unregister(struct notifier_block *);

extern int of_reconfig_notify(unsigned long, void *);

extern int of_reconfig_get_state_change(unsigned long action, void *arg);



extern int of_attach_node(struct device_node *);

extern int of_detach_node(struct device_node *);
@@ -895,6 +890,11 @@ enum of_reconfig_change { 
};



#ifdef CONFIG_OF_DYNAMIC

extern int of_reconfig_notifier_register(struct notifier_block *);

extern int of_reconfig_notifier_unregister(struct notifier_block *);

extern int of_reconfig_notify(unsigned long, void *);

extern int of_reconfig_get_state_change(unsigned long action, void *arg);



extern void of_changeset_init(struct of_changeset *ocs);

extern void of_changeset_destroy(struct of_changeset *ocs);

extern int of_changeset_apply(struct of_changeset *ocs);
@@ -932,7 +932,24 @@ static inline int of_changeset_update_property(struct of_changeset *ocs, 
{

	return of_changeset_action(ocs, OF_RECONFIG_UPDATE_PROPERTY, np, prop);

}

#endif

#else /* CONFIG_OF_DYNAMIC */

static inline int of_reconfig_notifier_register(struct notifier_block *nb)

{

	return -EINVAL;

}

static inline int of_reconfig_notifier_unregister(struct notifier_block *nb)

{

	return -EINVAL;

}

static inline int of_reconfig_notify(unsigned long action, void *arg)

{

	return -EINVAL;

}

static inline int of_reconfig_get_state_change(unsigned long action, void *arg)

{

	return -EINVAL;

}

#endif /* CONFIG_OF_DYNAMIC */



/* CONFIG_OF_RESOLVE api */

extern int of_resolve_phandles(struct device_node *tree);