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: Grant Likely <grant.likely@linaro.org>
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@ -324,11 +324,6 @@ struct of_prop_reconfig {
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struct property *old_prop;
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};
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extern int of_reconfig_notifier_register(struct notifier_block *);
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extern int of_reconfig_notifier_unregister(struct notifier_block *);
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extern int of_reconfig_notify(unsigned long, void *);
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extern int of_reconfig_get_state_change(unsigned long action, void *arg);
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extern int of_attach_node(struct device_node *);
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extern int of_detach_node(struct device_node *);
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@ -895,6 +890,11 @@ enum of_reconfig_change {
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};
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#ifdef CONFIG_OF_DYNAMIC
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extern int of_reconfig_notifier_register(struct notifier_block *);
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extern int of_reconfig_notifier_unregister(struct notifier_block *);
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extern int of_reconfig_notify(unsigned long, void *);
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extern int of_reconfig_get_state_change(unsigned long action, void *arg);
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extern void of_changeset_init(struct of_changeset *ocs);
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extern void of_changeset_destroy(struct of_changeset *ocs);
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extern int of_changeset_apply(struct of_changeset *ocs);
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@ -932,7 +932,24 @@ static inline int of_changeset_update_property(struct of_changeset *ocs,
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{
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return of_changeset_action(ocs, OF_RECONFIG_UPDATE_PROPERTY, np, prop);
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}
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#endif
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#else /* CONFIG_OF_DYNAMIC */
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static inline int of_reconfig_notifier_register(struct notifier_block *nb)
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{
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return -EINVAL;
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}
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static inline int of_reconfig_notifier_unregister(struct notifier_block *nb)
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{
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return -EINVAL;
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}
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static inline int of_reconfig_notify(unsigned long action, void *arg)
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{
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return -EINVAL;
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}
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static inline int of_reconfig_get_state_change(unsigned long action, void *arg)
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{
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return -EINVAL;
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}
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#endif /* CONFIG_OF_DYNAMIC */
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/* CONFIG_OF_RESOLVE api */
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extern int of_resolve_phandles(struct device_node *tree);
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