From 2401db02486ac89797a35652e18f2565aac7abb3 Mon Sep 17 00:00:00 2001
From: patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3>
Date: Thu, 23 Dec 2010 02:06:23 +0000
Subject: [PATCH] update usb host docs

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3218 42af7a65-404d-4744-a932-0658087f49c3
---
 Documentation/NuttxPortingGuide.html | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/Documentation/NuttxPortingGuide.html b/Documentation/NuttxPortingGuide.html
index 2755078fef9..cdc4db1d3b9 100644
--- a/Documentation/NuttxPortingGuide.html
+++ b/Documentation/NuttxPortingGuide.html
@@ -12,7 +12,7 @@
       <h1><big><font color="#3c34ec">
         <i>NuttX RTOS Porting Guide</i>
       </font></big></h1>
-      <p>Last Updated: December 4, 2010</p>
+      <p>Last Updated: December 22, 2010</p>
     </td>
   </tr>
 </table>
@@ -3213,6 +3213,17 @@ build
   </li>
 </ul>
 
+<h2>USB Host-Side Support</h2>
+<h3>USB Host Controller Driver</h3>
+<ul>
+  <li>
+    <code>CONFIG_USBHOST</code>: Enables USB host support
+  </li>
+  <li>
+    <code>CONFIG_USBHOST_NPREALLOC</code>: Number of pre-allocated class instances
+  </li>
+</ul>
+
 <h2>Graphics related configuration settings</h3>
 <ul>
   <li>