From 89b84b85e9c5d80e1b5eb5b52cc6596ba32135c7 Mon Sep 17 00:00:00 2001
From: Chunfeng Yun <chunfeng.yun@mediatek.com>
Date: Sat, 2 May 2020 11:35:09 +0200
Subject: dm: core: Add function to get child count of ofnode or device

This patch add function used to get the child count of
a ofnode or a device

Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Signed-off-by: Frank Wunderlich <frank-w@public-files.de>
Reviewed-by: Weijie Gao <weijie.gao@mediatek.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
---
 drivers/core/ofnode.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

(limited to 'drivers/core/ofnode.c')

diff --git a/drivers/core/ofnode.c b/drivers/core/ofnode.c
index 20871a6815..e3c42dae5c 100644
--- a/drivers/core/ofnode.c
+++ b/drivers/core/ofnode.c
@@ -474,6 +474,17 @@ ofnode ofnode_get_chosen_node(const char *name)
 	return ofnode_path(prop);
 }
 
+int ofnode_get_child_count(ofnode parent)
+{
+	ofnode child;
+	int num = 0;
+
+	ofnode_for_each_subnode(child, parent)
+		num++;
+
+	return num;
+}
+
 static int decode_timing_property(ofnode node, const char *name,
 				  struct timing_entry *result)
 {
-- 
cgit