From bcabdc24dff2d65dcc5bec093f30302283e5fdf4 Mon Sep 17 00:00:00 2001
From: Bo Shen <voice.shen@atmel.com>
Date: Thu, 7 Aug 2014 11:43:07 +0800
Subject: [PATCH] usb: atmel_usba_udc: fix it to deal with final dma channel

As, the interrupt for DMA is counted from 1, so need to checked
the USBA_NR_DMAS, in old way, it only check (USBA_NR_DMAS - 1),
so fix it.

Reported-by: Max Liao <liaops@embest-tech.com>
Signed-off-by: Bo Shen <voice.shen@atmel.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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