diff --git a/drivers/rkflash/rkflash_blk.c b/drivers/rkflash/rkflash_blk.c
index cfb3a3ba5f76..3f4d9871c649 100644
--- a/drivers/rkflash/rkflash_blk.c
+++ b/drivers/rkflash/rkflash_blk.c
@@ -776,6 +776,8 @@ void rkflash_dev_shutdown(void)
 		wake_up(&mytr.thread_wq);
 		wait_for_completion(&mytr.thread_exit);
 	}
+	mutex_lock(&g_flash_ops_mutex);
 	g_boot_ops->deinit();
+	mutex_unlock(&g_flash_ops_mutex);
 	pr_info("rkflash_shutdown:OK\n");
 }