From 5576957a69642e74753e56ee0767b663378d7bca Mon Sep 17 00:00:00 2001
From: Samuel Thibault <samuel.thibault@ens-lyon.org>
Date: Sun, 22 Nov 2020 23:52:51 +0100
Subject: Disable com3 and com4

We do not support shared IRQs for these, so avoid boot issues when
running on a system with more than 2 com ports.

* i386/configfrag.ac (ncom) [at:i?86]: Set to 2.
* x86_64/configfrag.ac (ncom) [at:x86_64]: Set to 2.
---
 x86_64/configfrag.ac | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'x86_64')

diff --git a/x86_64/configfrag.ac b/x86_64/configfrag.ac
index 817eff3d..e455d31b 100644
--- a/x86_64/configfrag.ac
+++ b/x86_64/configfrag.ac
@@ -44,7 +44,8 @@ esac]
 
 [case $host_platform:$host_cpu in
   at:x86_64)]
-    ncom=4
+    # should be 4, but we do not support shared IRQ for these
+    ncom=2
     nlpr=1
     AC_DEFINE([ATX86_64], [1], [ATX86_64])[;;
   xen:x86_64)]
-- 
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