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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> Cc: <stable@vger.kernel.org> Signed-off-by: Felipe Balbi <balbi@ti.com>