From: Ian Abbott <abbotti@mev.co.uk>
Date: Tue, 6 May 2014 12:12:12 +0000 (+0100)
Subject: staging: comedi: pass subdevice to comedi_buf_munge()
X-Git-Tag: omap-for-v3.16/fixes-against-rc1~39^2~36^2~462
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5b108588ba1ff6c18502dc9fe711b0229a18b9f8;p=pandora-kernel.git

staging: comedi: pass subdevice to comedi_buf_munge()

Local function `comedi_buf_munge()` is called by
`comedi_buf_write_free()` to modify (or "munge") the data copied from
a device into the buffer.

Currently, the function takes a pointer to a `struct comedi_async` and
gets a pointer to the comedi subdevice from the `subdevice` member.
Change it to take a pointer to a `struct comedi_subdevice` and get a
pointer to the "async" structure from the `async` member.

The main motivation for this is to elimate the `subdevice` member of
`struct comedi_async`.

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