From 64fc06c40e01aa8129f5bc4c51567b5e205126b0 Mon Sep 17 00:00:00 2001
From: Peter Chen <peter.chen@freescale.com>
Date: Wed, 19 Feb 2014 13:41:41 +0800
Subject: [PATCH] usb: chipidea: udc: refine ep operation at
 isr_tr_complete_handler

- delete the warning message at interrupt handler, and adds judgement at
ep_enable, if non-ep0 requests ctrl transfer, it will indicate an error.
- delete hw_test_and_clear_setup_status which is a broken code
- Tested with g_mass_storage, g_ncm, g_ether

Cc: matthieu.castet@parrot.com
Reported-by: Michael Grzeschik <mgr@pengutronix.de>
Acked-by: Michael Grzeschik <mgr@pengutronix.de>
Tested-by: Michael Grzeschik <mgr@pengutronix.de>
Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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