From b0b908549e7cb3c4d598daacec47a204576e8f35 Mon Sep 17 00:00:00 2001
From: H Hartley Sweeten <hsweeten@visionengravers.com>
Date: Tue, 4 Mar 2014 11:29:30 -0700
Subject: [PATCH] staging: comedi: pcl812: remove 'ai_data_len' from private
 data

This member of the private data is only used in the initial dma setup.
Refactor that code to not need it and remove the member.

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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Reading git-format-patch failed