software node: Allow register and unregister software node groups (02094d54) · Commits · 戴 / test

drivers/base/swnode.c

+48 −0

Original line number	Diff line number	Diff line
		@@ -726,6 +726,54 @@ void software_node_unregister_nodes(const struct software_node *nodes)
		}
		EXPORT_SYMBOL_GPL(software_node_unregister_nodes);

		/**
		* software_node_register_node_group - Register a group of software nodes
		* @node_group: NULL terminated array of software node pointers to be registered
		*
		* Register multiple software nodes at once.
		*/
		int software_node_register_node_group(const struct software_node **node_group)
		{
		unsigned int i;
		int ret;

		if (!node_group)
		return 0;

		for (i = 0; node_group[i]; i++) {
		ret = software_node_register(node_group[i]);
		if (ret) {
		software_node_unregister_node_group(node_group);
		return ret;
		}
		}

		return 0;
		}
		EXPORT_SYMBOL_GPL(software_node_register_node_group);

		/**
		* software_node_unregister_node_group - Unregister a group of software nodes
		* @node_group: NULL terminated array of software node pointers to be unregistered
		*
		* Unregister multiple software nodes at once.
		*/
		void software_node_unregister_node_group(const struct software_node **node_group)
		{
		struct swnode *swnode;
		unsigned int i;

		if (!node_group)
		return;

		for (i = 0; node_group[i]; i++) {
		swnode = software_node_to_swnode(node_group[i]);
		if (swnode)
		fwnode_remove_software_node(&swnode->fwnode);
		}
		}
		EXPORT_SYMBOL_GPL(software_node_unregister_node_group);

		/**
		* software_node_register - Register static software node
		* @node: The software node to be registered

+3 −0

Original line number	Diff line number	Diff line
		@@ -440,6 +440,9 @@ software_node_find_by_name(const struct software_node *parent,
		int software_node_register_nodes(const struct software_node *nodes);
		void software_node_unregister_nodes(const struct software_node *nodes);

		int software_node_register_node_group(const struct software_node **node_group);
		void software_node_unregister_node_group(const struct software_node **node_group);

		int software_node_register(const struct software_node *node);

		int software_node_notify(struct device *dev, unsigned long action);