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

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git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5134 42af7a65-404d-4744-a932-0658087f49c3
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patacongo
2012-09-12 15:18:56 +00:00
parent 6414b554cb
commit 5c8d7a9e4a
1 changed files with 7 additions and 0 deletions
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Documentation/NuttxPortingGuide.html
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@@ -3948,6 +3948,13 @@ build
are a few optimizations that can can be done and (2) the GRAN_HANDLE are a few optimizations that can can be done and (2) the GRAN_HANDLE
is not needed. is not needed.
</li> </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> <li>
<code>CONFIG_DEBUG_GRAM</code>: <code>CONFIG_DEBUG_GRAM</code>:
Just like <code>CONFIG_DEBUG_MM</code>, but only generates ouput from the gran Just like <code>CONFIG_DEBUG_MM</code>, but only generates ouput from the gran