From 96d6082aedb303a830c5ec6e81be21edc43cde3e 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: Handling missing RHSC interrupt

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3223 42af7a65-404d-4744-a932-0658087f49c3
---
 nuttx/configs/README.txt | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'nuttx/configs/README.txt')

diff --git a/nuttx/configs/README.txt b/nuttx/configs/README.txt
index e2b725c90..6b5bcc49f 100644
--- a/nuttx/configs/README.txt
+++ b/nuttx/configs/README.txt
@@ -706,6 +706,12 @@ defconfig -- This is a configuration file similar to the Linux
     USB host controller driver
       CONFIG_USBHOST
         Enables USB host support
+      CONFIG_USBHOST_HAVERHSC
+        Define if the hardware is able to detect a root hub status change
+        when a device is inserted.  If CONFIG_USBHOST_HAVERHSC 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.
       CONFIG_USBHOST_NPREALLOC
         Number of pre-allocated class instances
 
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