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staging: comedi: addi_common: remove dma setup/free code
authorH Hartley Sweeten <hartleys@visionengravers.com>
Fri, 2 Nov 2012 00:24:55 +0000 (17:24 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 2 Nov 2012 18:23:47 +0000 (11:23 -0700)
None of the addi-data drivers that use the "common" code in addi_common.c
support dma. Remove the code that sets up the dma and allocates the buffers
in the attach and the code that frees the buffers in the detach.

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

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