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authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>2020-04-08 19:09:02 +0300
committerAndy Shevchenko <andriy.shevchenko@linux.intel.com>2020-04-20 14:41:56 +0300
commit02094d54870590a667f822e4032bbd1ba6c48d00 (patch)
tree9d3bcbcd2307c77280560827edba97116061483b /drivers/base/swnode.c
parent96489ae170fb30b62f817c86c8e64b150b55a7ff (diff)
downloadlinux-02094d54870590a667f822e4032bbd1ba6c48d00.tar.xz
software node: Allow register and unregister software node groups
Sometimes it's more convenient to register a set of individual software nodes grouped together. Add couple of functions for that. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Acked-by: Rafael J. Wysocki <rjw@rjwysocki.net> Reviewed-by: Hans de Goede <hdegoede@redhat.com> Tested-by: Hans de Goede <hdegoede@redhat.com> Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Diffstat (limited to 'drivers/base/swnode.c')
-rw-r--r--drivers/base/swnode.c48
1 files changed, 48 insertions, 0 deletions
diff --git a/drivers/base/swnode.c b/drivers/base/swnode.c
index de8d3543e8fe..2079937ddb51 100644
--- a/drivers/base/swnode.c
+++ b/drivers/base/swnode.c
@@ -727,6 +727,54 @@ 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
*/