From 9540268ea5423ee7c97c39706d60140326899d45 Mon Sep 17 00:00:00 2001
From: GuEe-GUI <2991707448@qq.com>
Date: Fri, 29 Nov 2024 16:01:23 +0800
Subject: [PATCH] [DM/MAILBOX] Fixup platform request will deadlock

Signed-off-by: GuEe-GUI <2991707448@qq.com>
---
 components/drivers/mailbox/mailbox.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/components/drivers/mailbox/mailbox.c b/components/drivers/mailbox/mailbox.c
index 84b9f11247..ef3ea4ff52 100644
--- a/components/drivers/mailbox/mailbox.c
+++ b/components/drivers/mailbox/mailbox.c
@@ -253,7 +253,11 @@ struct rt_mbox_chan *rt_mbox_request_by_index(struct rt_mbox_client *client, int
 
     if (!rt_ofw_data(ctrl_np))
     {
+        rt_spin_unlock(&mbox_ops_lock);
+
         rt_platform_ofw_request(ctrl_np);
+
+        rt_spin_lock(&mbox_ops_lock);
     }
 
     ctrl = rt_ofw_data(ctrl_np);