Linux Kernel has of_get_next_available_child().
Add more generic __of_get_next_status_child() to enable to use same
logic for other status.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx>
Tested-by: Yusuke Goda <yusuke.goda.sx@xxxxxxxxxxx>
---
drivers/of/base.c | 29 ++++++++++++++++++-----------
1 file changed, 18 insertions(+), 11 deletions(-)
diff --git a/drivers/of/base.c b/drivers/of/base.c
index 3cb467a7e747..d0f7e7c890f1 100644
--- a/drivers/of/base.c
+++ b/drivers/of/base.c
@@ -612,16 +612,9 @@ struct device_node *of_get_next_child(const struct device_node *node,
}
EXPORT_SYMBOL(of_get_next_child);
-/**
- * of_get_next_available_child - Find the next available child node
- * @node: parent node
- * @prev: previous child of the parent node, or NULL to get first
- *
- * This function is like of_get_next_child(), except that it
- * automatically skips any disabled nodes (i.e. status = "disabled").
- */
-struct device_node *of_get_next_available_child(const struct device_node *node,
- struct device_node *prev)
+static struct device_node *__of_get_next_status_child(const struct device_node *node,
+ struct device_node *prev,
+ bool (*checker)(const struct device_node *))
{
struct device_node *next;
unsigned long flags;
@@ -632,7 +625,7 @@ struct device_node *of_get_next_available_child(const struct device_node *node,
raw_spin_lock_irqsave(&devtree_lock, flags);
next = prev ? prev->sibling : node->child;
for (; next; next = next->sibling) {
- if (!__of_device_is_available(next))
+ if (!checker(next))
continue;
if (of_node_get(next))
break;
@@ -641,6 +634,20 @@ struct device_node *of_get_next_available_child(const struct device_node *node,
raw_spin_unlock_irqrestore(&devtree_lock, flags);
return next;
}
+
+/**
+ * of_get_next_available_child - Find the next available child node
+ * @node: parent node
+ * @prev: previous child of the parent node, or NULL to get first
+ *
+ * This function is like of_get_next_child(), except that it
+ * automatically skips any disabled nodes (i.e. status = "disabled").
+ */
+struct device_node *of_get_next_available_child(const struct device_node *node,
+ struct device_node *prev)
+{
+ return __of_get_next_status_child(node, prev, __of_device_is_available);
+}
EXPORT_SYMBOL(of_get_next_available_child);
/**
--
2.25.1
