From 21fb4d3c9bfc961a405b3acb603a9f51aef81c18 Mon Sep 17 00:00:00 2001
From: Ian Moffett <ian@osmora.org>
Date: Sun, 21 Dec 2025 18:15:25 -0500
Subject: mos/x86_64: uart: Make sure to clear DLAB after init

Signed-off-by: Ian Moffett <ian@osmora.org>
---
 mos/sys/arch/x86_64/io/uart.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/mos/sys/arch/x86_64/io/uart.c b/mos/sys/arch/x86_64/io/uart.c
index 73ed0ed..d6b0a41 100644
--- a/mos/sys/arch/x86_64/io/uart.c
+++ b/mos/sys/arch/x86_64/io/uart.c
@@ -39,6 +39,9 @@ init_uart(USHORT port)
     /* 38400 baud */
     md_outb(UART_DIVLOW(port), 0x03);
     md_outb(UART_DIVHIGH(port), 0x00);
+
+    reg &= ~UART_LCR_DLAB;
+    md_outb(UART_LCR(port), reg);
 }
 
 void
-- 
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