From 0ade47aed66312df82c49f1dfa325a67a7dcbbe6 Mon Sep 17 00:00:00 2001
From: Warner Losh <imp@FreeBSD.org>
Date: Fri, 4 Jan 2008 08:19:52 +0000
Subject: [PATCH] Modernize this man page a little by describing the pci driver
 of today, rather than details relevant only to the 3.x pci driver.

---
 share/man/man4/pci.4 | 20 ++++++++++++++------
 1 file changed, 14 insertions(+), 6 deletions(-)

diff --git a/share/man/man4/pci.4 b/share/man/man4/pci.4
index dd7763002a5..cf3b4833a73 100644
--- a/share/man/man4/pci.4
+++ b/share/man/man4/pci.4
@@ -24,7 +24,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd September 30, 2007
+.Dd January 3, 2008
 .Dt PCI 4
 .Os
 .Sh NAME
@@ -54,13 +54,21 @@ granting access to the
 device.
 If used improperly, this driver can allow userland applications to
 crash a machine or cause data loss.
+.Pp
+The 
+.Nm 
+driver implements the pci bus in the kernel.
+It enumerates and devices on the pci bus and gives pci client drivers the
+chance to attach to them.
+It assigns resources to children, when the BIOS doesn't.
+It takes care of routing interrupts when necessary.
+It reprobes the unattached pci children when pci client drivers are dynamically
+loaded at runtime.
 .Sh KERNEL CONFIGURATION
-It is only necessary to specify one
+The 
 .Nm
-controller in the kernel.
-Additional
-.Tn PCI
-busses are handled automatically as they are encountered.
+device is included in the kernel as described in the SYNOPSIS section.
+The pci driver cannot be built as a kld.
 .Sh IOCTLS
 The following
 .Xr ioctl 2