From 3ad0a0d8c33b7cbe569533e6ffe73fa7f324347c Mon Sep 17 00:00:00 2001
From: Idan Horowitz <idan.horowitz@gmail.com>
Date: Wed, 7 Apr 2021 14:03:44 +0300
Subject: [PATCH] Kernel: Initialize the PCI Bus earlier in the boot sequence

We now initialize the PCI Bus as early as possible, to allow for
early boot (PCI based) serial logging.
---
 Kernel/init.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Kernel/init.cpp b/Kernel/init.cpp
index d2a47f8f92..56b4f394d8 100644
--- a/Kernel/init.cpp
+++ b/Kernel/init.cpp
@@ -144,6 +144,9 @@ extern "C" UNMAP_AFTER_INIT [[noreturn]] void init()
     InterruptManagement::initialize();
     ACPI::initialize();
 
+    // Initialize the PCI Bus as early as possible, for early boot (PCI based) serial logging
+    PCI::initialize();
+
     VFS::initialize();
 
     dmesgln("Starting SerenityOS...");
@@ -162,7 +165,6 @@ extern "C" UNMAP_AFTER_INIT [[noreturn]] void init()
     VMWareBackdoor::the(); // don't wait until first mouse packet
     HIDManagement::initialize();
 
-    PCI::initialize();
     GraphicsManagement::the().initialize();
     ConsoleManagement::the().initialize();