From f1c201c508ff65e1ed9d0ec8149f39be52ac39a9 Mon Sep 17 00:00:00 2001
From: "Reinking, Janosch" <janosch.reinking@dlr.de>
Date: Fri, 13 Dec 2024 19:08:58 +0100
Subject: [PATCH] bsps/shared: NS16550 driver updates the line control register
 during operation

Fixes: #5179
---
 bsps/shared/dev/serial/ns16550.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/bsps/shared/dev/serial/ns16550.c b/bsps/shared/dev/serial/ns16550.c
index b1e5892c15..532b20fdea 100644
--- a/bsps/shared/dev/serial/ns16550.c
+++ b/bsps/shared/dev/serial/ns16550.c
@@ -590,7 +590,7 @@ int ns16550_set_attributes(
      *        turn into the LSB and MSB divisor latch registers.
      */
 
-    (*setReg)(pNS16550, NS16550_LINE_CONTROL, SP_LINE_DLAB);
+    (*setReg)(pNS16550, NS16550_LINE_CONTROL, SP_LINE_DLAB | ucLineControl);
     (*setReg)(pNS16550, NS16550_TRANSMIT_BUFFER, ulBaudDivisor&0xff);
     (*setReg)(pNS16550, NS16550_INTERRUPT_ENABLE, (ulBaudDivisor>>8)&0xff);