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staging: comedi: ni_at_a2150: introduce a2150_isadma_disable()
authorH Hartley Sweeten <hsweeten@visionengravers.com>
Tue, 13 Jan 2015 17:16:36 +0000 (10:16 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sat, 17 Jan 2015 22:31:31 +0000 (14:31 -0800)
commit10f3a2dca81ace26daacf26c5d79c5876576e7ea
tree2737ea65ce9fdb0c058954367251c3f260ea5526tree | snapshot (tar.gz zip)
parentc92b0b29819bc2b3f504b8341b26bb7c1421ad22commit | diff
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>
drivers/staging/comedi/drivers/ni_at_a2150.c diff | blob | blame | history