From c2df85ca31645ed3c68c56bd30a3673e034224f1 Mon Sep 17 00:00:00 2001
From: Paul Zimmerman <Paul.Zimmerman@synopsys.com>
Date: Fri, 24 Feb 2012 17:32:18 -0800
Subject: [PATCH] usb: dwc3: clear 'res_trans_idx' as soon as it becomes
 invalid

Transfer resource index is cleared in hardware when XFERCOMPLETE
event is generated, so clear the driver's res_trans_idx variable
immediately after that event is received. The upcoming hibernation
patches depend on this change.

Signed-off-by: Paul Zimmerman <paulz@synopsys.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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