From: Alan Stern <stern@rowland.harvard.edu>
Date: Fri, 1 Nov 2013 16:05:12 +0000 (-0400)
Subject: usb: dwc3: fix implementation of endpoint wedge
X-Git-Tag: v3.2.54~93
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=653106814a7591093b28f23a5d0d207121672781;p=pandora-kernel.git

usb: dwc3: fix implementation of endpoint wedge

commit a535d81c92615b8ffb99b7e1fd1fb01effaed1af upstream.

The dwc3 UDC driver doesn't implement endpoint wedging correctly.
When an endpoint is wedged, the gadget driver should be allowed to
clear the wedge by calling usb_ep_clear_halt().  Only the host is
prevented from resetting the endpoint.

This patch fixes the implementation.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Tested-by: Pratyush Anand <pratyush.anand@st.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---

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