From 7b31228b0debbc727e37da8229d9a2451d0f42f8 Mon Sep 17 00:00:00 2001
From: patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3>
Date: Thu, 30 Dec 2010 23:08:46 +0000
Subject: [PATCH] Handling missing RHSC interrupt

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3223 42af7a65-404d-4744-a932-0658087f49c3
---
 Documentation/NuttxPortingGuide.html | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/Documentation/NuttxPortingGuide.html b/Documentation/NuttxPortingGuide.html
index cdc4db1d3b..adc0041f98 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 22, 2010</p>
+      <p>Last Updated: December 29, 2010</p>
     </td>
   </tr>
 </table>
@@ -3219,6 +3219,12 @@ build
   <li>
     <code>CONFIG_USBHOST</code>: Enables USB host support
   </li>
+  <li>
+    <code>CONFIG_USBHOST_HAVERHSC</code>:
+      Define if the hardware is able to detect a root hub status change when a device is inserted.
+      If <code>CONFIG_USBHOST_HAVERHSC</code> is not set, then it is assumed that the hardware cannot detect the presence of a USB device
+      and that the application must periodically attempt to enumerate the device.
+  </li>
   <li>
     <code>CONFIG_USBHOST_NPREALLOC</code>: Number of pre-allocated class instances
   </li>