On Tue, Oct 20, 2020 at 02:01:55PM +0300, Andy Shevchenko wrote: > On Tue, Oct 20, 2020 at 01:05:10PM +0300, Sakari Ailus wrote: > > On Mon, Oct 19, 2020 at 11:58:55PM +0100, Daniel Scally wrote: > > > Software nodes that are children of another software node should be > > > unregistered before their parent. To allow easy unregistering of an array > > > of software_nodes ordered parent to child, add a helper function to loop > > > over and unregister nodes in such an array in reverse order. > > ... > > > > + * software_node_unregister_nodes_reverse - Unregister an array of software > > > + * nodes in reverse order. > > > + * @nodes: Array of software nodes to be unregistered. > > > + * > > > + * NOTE: The same warning applies as with software_node_unregister_nodes. > > > + * Unless you are _sure_ that the array of nodes is ordered parent to child > > > + * it is wiser to remove them individually in the correct order. > > > > Could the default order in software_node_unregister_nodes() be reversed > > instead? There are no users so this should be easy to change. > > > > Doing this only one way may require enforcing the registration order in > > software_node_register_nodes(), but the end result would be safer. > > > > What do you think? > > Will work for me (I would also hear Heikki). > > But in such case let's change the order of > software_node_unregister_node_group() for the sake of consistency. But either way we will need a note to describe the ordering. -- With Best Regards, Andy Shevchenko