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staging: comedi: das1800: reduce indent level of das1800_init_dma()
authorH Hartley Sweeten <hsweeten@visionengravers.com>
Mon, 12 Jan 2015 17:55:40 +0000 (10:55 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sat, 17 Jan 2015 22:25:18 +0000 (14:25 -0800)
An IRQ and at least one DMA channel are required to use DMA with this driver.
Move the check to the caller to reduce the indent level of this function.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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