From 3ae4a6b8c3574965712778fff4a26fce519455e2 Mon Sep 17 00:00:00 2001
From: ligd <liguiding1@xiaomi.com>
Date: Thu, 2 Feb 2023 11:19:10 +0800
Subject: [PATCH] sim/uart: do uart_xmitchars() when tty_txint enabled

to speed up the logout speed

Signed-off-by: ligd <liguiding1@xiaomi.com>
---
 arch/sim/src/sim/sim_uart.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/arch/sim/src/sim/sim_uart.c b/arch/sim/src/sim/sim_uart.c
index 3965b45a2a..604895a047 100644
--- a/arch/sim/src/sim/sim_uart.c
+++ b/arch/sim/src/sim/sim_uart.c
@@ -473,6 +473,11 @@ static void tty_txint(struct uart_dev_s *dev, bool enable)
   struct tty_priv_s *priv = dev->priv;
 
   priv->txint = enable;
+
+  if (enable)
+    {
+      uart_xmitchars(dev);
+    }
 }
 
 /****************************************************************************