From 33178271e213150f1521288979f47e5794b63c5c Mon Sep 17 00:00:00 2001
From: Matthew Dillon <dillon@apollo.backplane.com>
Date: Tue, 7 Jan 2014 14:49:33 -0800
Subject: [PATCH] build - Document usb4bsd build requirements

* Document them in the obvious place
---
 sys/config/X86_64_GENERIC | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/sys/config/X86_64_GENERIC b/sys/config/X86_64_GENERIC
index a582b69cd3..4e2e390ae8 100644
--- a/sys/config/X86_64_GENERIC
+++ b/sys/config/X86_64_GENERIC
@@ -308,6 +308,11 @@ pseudo-device	bpf		#Berkeley packet filter
 pseudo-device	crypto		# core crypto support, used by wlan
 
 # USB support
+#
+# NOTE: If you enable 'usb4bsd' you must also disable 'usb' and rebuild
+#	the world with WANT_USB4BSD=true in /etc/make.conf, in addition
+#	to rebuilding the kernel.
+#
 device		uhci		# UHCI PCI->USB interface
 device		ohci		# OHCI PCI->USB interface
 device		usb		# USB Bus (required)
-- 
2.41.0