From 5c8d7a9e4acaa5d7d57a8f2e87960e39f6ff9c09 Mon Sep 17 00:00:00 2001
From: patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3>
Date: Wed, 12 Sep 2012 15:18:56 +0000
Subject: [PATCH] Fix MMC/SD support for Wildfire board; Granule allocator can
 now be used from intrrupt handler

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5134 42af7a65-404d-4744-a932-0658087f49c3
---
 Documentation/NuttxPortingGuide.html | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/Documentation/NuttxPortingGuide.html b/Documentation/NuttxPortingGuide.html
index d44bae4abd0..8b87bbcee92 100644
--- a/Documentation/NuttxPortingGuide.html
+++ b/Documentation/NuttxPortingGuide.html
@@ -3948,6 +3948,13 @@ build
       are a few optimizations that can can be done and (2) the GRAN_HANDLE
       is not needed.
   </li>
+  <li>
+    <code>CONFIG_GRAN_INTR</code>:
+      Normally mutual exclusive access to granule allocator data is assured using a semaphore.
+      If this option is set then, instead, mutual exclusion logic will disable interrupts.
+      While this options is more invasive to system performance, it will also support use of the
+      granule allocator from interrupt level logic.
+  </li>
   <li>
     <code>CONFIG_DEBUG_GRAM</code>:
       Just like <code>CONFIG_DEBUG_MM</code>, but only generates ouput from the gran