From 79a5a58e74e28c175ee836bda60090cf511f893d Mon Sep 17 00:00:00 2001
From: Wei Gao <gaowei66@huawei.com>
Date: Wed, 18 Aug 2021 15:30:33 +0800
Subject: [PATCH 3/8] migration: fix an errors during the PL011 device state
 restore.

This bug is leaded by commit d24f510cf271f144084266ff292db7e94c004b53.
Add the function to register device again.

Signed-off-by: Wei Gao <gaowei66@huawei.com>
---
 devices/src/legacy/pl011.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/devices/src/legacy/pl011.rs b/devices/src/legacy/pl011.rs
index 133487e..65bf64b 100644
--- a/devices/src/legacy/pl011.rs
+++ b/devices/src/legacy/pl011.rs
@@ -172,6 +172,7 @@ impl PL011 {
             param_type: "earlycon".to_string(),
             value: format!("pl011,mmio,0x{:08x}", region_base),
         });
+        MigrationManager::register_device_instance_mutex(PL011State::descriptor(), dev.clone());
         let locked_dev = dev.lock().unwrap();
         locked_dev.chardev.lock().unwrap().set_input_callback(&dev);
         EventLoop::update_event(
-- 
2.25.1

