[ARM] dma: factor out code looking up the DMA channel
authorRussell King <rmk@dyn-67.arm.linux.org.uk>
Mon, 8 Dec 2008 16:08:48 +0000 (16:08 +0000)
committerRussell King <rmk+kernel@arm.linux.org.uk>
Mon, 8 Dec 2008 16:56:22 +0000 (16:56 +0000)
This is a preparitory patch to allow us to easily change the way we
add and lookup DMA channel structures.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

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