staging: comedi: usbdux: consolidate the firmware upload

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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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H Hartley Sweeten 2013-05-20 14:29:39 -07:00 • committed by Greg Kroah-Hartman

parent 71f89d1813

commit 4bf6bfe3c8

1 changed files with 46 additions and 120 deletions

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drivers/staging/comedi/drivers/usbdux.c

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