Fix MMC/SD support for Wildfire board; Granule allocator can now be used from intrrupt handler

git-svn-id: https://nuttx.svn.sourceforge.net/svnroot/nuttx/trunk@5134 7fd9a85b-ad96-42d3-883c-3090e2eb8679
This commit is contained in:
patacongo
2012-09-12 15:18:56 +00:00
parent 1b7dad5a76
commit eac15a4720
11 changed files with 62 additions and 59 deletions
+6 -1
View File
@@ -2,7 +2,7 @@
* include/nuttx/gran.h
* General purpose granule memory allocator.
*
* Copyright (C) 2009 Gregory Nutt. All rights reserved.
* Copyright (C) 2012 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Redistribution and use in source and binary forms, with or without
@@ -57,6 +57,11 @@
* granule allocator (i.e., gran_initialize will be called only once.
* In this case, (1) there are a few optimizations that can can be done
* and (2) the GRAN_HANDLE is not needed.
* CONFIG_GRAN_INTR - 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.
* CONFIG_DEBUG_GRAN - Just like CONFIG_DEBUG_MM, but only generates ouput
* from the gran allocation logic.
*/