From: H Hartley Sweeten <hsweeten@visionengravers.com>
Date: Mon, 20 May 2013 21:29:39 +0000 (-0700)
Subject: staging: comedi: usbdux: consolidate the firmware upload
X-Git-Tag: omap-for-v3.11/fixes-for-merge-window~76^2~531
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4bf6bfe3c8ae4d41c2bb3784981ba069c80ef55e;p=pandora-kernel.git

staging: comedi: usbdux: consolidate the firmware upload

Absorb the usbdux_stop(), usbdux_upload(), and usbdux_start()
functions into firmware_upload().

Each of them just do a usb_control_msg() to the device and output
an error message if it fails. A similar message is also output by
firmware_upload() so the extra messages are redundant.

We can also share the malloc'ed local buffer needed for the
usb_control_msg().

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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