From b4e89de1b82961a3cdf7b4478197f9a4ade04d4e Mon Sep 17 00:00:00 2001
From: GuEe-GUI <2991707448@qq.com>
Date: Tue, 7 Apr 2026 13:51:34 +0800
Subject: [PATCH] [dm][pmdomain] fixup the child register layout

Link: https://github.com/RT-Thread/rt-thread/issues/11308

Signed-off-by: GuEe-GUI <2991707448@qq.com>
---
 components/drivers/core/power_domain.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/components/drivers/core/power_domain.c b/components/drivers/core/power_domain.c
index 254010b4fe4..77da3b26344 100644
--- a/components/drivers/core/power_domain.c
+++ b/components/drivers/core/power_domain.c
@@ -105,6 +105,12 @@ rt_err_t rt_dm_power_domain_register_child(struct rt_dm_power_domain *domain,
     dm_power_domain_init(child_domain);
     child_domain->parent_domain = domain;
 
+    rt_hw_spin_lock(&domain->lock.lock);
+
+    rt_list_insert_before(&domain->child_nodes, &child_domain->list);
+
+    rt_hw_spin_unlock(&domain->lock.lock);
+
     return RT_EOK;
 }