From 687ef9817df7ed960d14575b9033dde3d04631fe Mon Sep 17 00:00:00 2001
From: Felipe Balbi <balbi@ti.com>
Date: Wed, 16 Apr 2014 10:30:33 -0500
Subject: [PATCH] usb: dwc3: gadget: clear stall when disabling endpoint

so it seems like DWC3 IP doesn't clear stalls
automatically when we disable an endpoint, because
of that, we _must_ make sure stalls are cleared
before clearing the proper bit in DALEPENA register.

Cc: <stable@vger.kernel.org> # v3.4+
Reported-by: Johannes Stezenbach <js@sig21.net>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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