usb: gadget: net2272: use generic map/umap routines
authorFelipe Balbi <balbi@ti.com>
Mon, 19 Dec 2011 10:07:40 +0000 (12:07 +0200)
committerFelipe Balbi <balbi@ti.com>
Tue, 28 Feb 2012 12:49:09 +0000 (14:49 +0200)
those routines have everything we need to map/unmap
USB requests and it's better to use them.

Signed-off-by: Felipe Balbi <balbi@ti.com>

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