usb: dwc3: gadget: clear stall when disabling endpoint
commit 687ef981 upstream. 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. Reported-by: Johannes Stezenbach <js@sig21.net> Signed-off-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Jiri Slaby <jslaby@suse.cz>
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