From 61dd149b102d00cea3815a161e07cd41fcc0d737 Mon Sep 17 00:00:00 2001
From: H Hartley Sweeten <hsweeten@visionengravers.com>
Date: Mon, 20 May 2013 14:20:02 -0700
Subject: [PATCH] staging: comedi: introduce comedi_to_usb_dev()

Introduce a helper function to get a usb_device pointer from a
comedi_device pointer.

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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Reading git-format-patch failed