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Commit d80fe1b6 authored by Felipe Balbi's avatar Felipe Balbi
Browse files

usb: dwc3: gadget: simplify short packet event 



We know that only OUT endpoints can trigger SHORT. We also know that
count MUST be > 0 whenever SHORT triggers.

Signed-off-by: default avatarFelipe Balbi <felipe.balbi@linux.intel.com>
parent b27972b5

drivers/usb/dwc3/gadget.c

+1 −7
Original line number Diff line number Diff line
@@ -2221,7 +2221,6 @@ static int dwc3_gadget_ep_reclaim_completed_trb(struct dwc3_ep *dep, 
		const struct dwc3_event_depevt *event, int status, int chain)

{

	unsigned int		count;

	unsigned int		s_pkt = 0;



	dwc3_ep_inc_deq(dep);
@@ -2256,12 +2255,7 @@ static int dwc3_gadget_ep_reclaim_completed_trb(struct dwc3_ep *dep, 
	if ((trb->ctrl & DWC3_TRB_CTRL_HWO) && status != -ESHUTDOWN)

		return 1;



	if (!dep->direction) {

		if (count && (event->status & DEPEVT_STATUS_SHORT))

			s_pkt = 1;

	}



	if (s_pkt && !chain)

	if (event->status & DEPEVT_STATUS_SHORT && !chain)

		return 1;



	if ((event->status & DEPEVT_STATUS_IOC) &&