patacongo 842fe8c9ab Add function to 1) wait for a free channel, and 2) free a DMA channel ... git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@2144 42af7a65-404d-4744-a932-0658087f49c3		2009-10-16 18:31:15 +00:00
arch	Add function to 1) wait for a free channel, and 2) free a DMA channel	2009-10-16 18:31:15 +00:00