From: H Hartley Sweeten <hsweeten@visionengravers.com>
Date: Tue, 13 Jan 2015 17:16:36 +0000 (-0700)
Subject: staging: comedi: ni_at_a2150: introduce a2150_isadma_disable()
X-Git-Tag: fixes-v4.0-rc1~99^2~384
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=10f3a2dca81ace26daacf26c5d79c5876576e7ea;p=pandora-kernel.git

staging: comedi: ni_at_a2150: introduce a2150_isadma_disable()

Introduce a helper function to disable and the ISA DMA controller and
return the residue as described in Documentation/DMA-ISA-LPC.txt.

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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