[DM/MAILBOX] Fixup platform request will deadlock

Signed-off-by: GuEe-GUI <2991707448@qq.com>
2024-11-29 16:01:23 +08:00 · 2024-11-29 16:01:23 +08:00 · 7b7e4686af
parent 72a78a268f
commit 7b7e4686af
1 changed files with 4 additions and 0 deletions
--- 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);