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Commit 6f8245b4 authored by Felipe Balbi's avatar Felipe Balbi
Browse files

usb: dwc3: gadget: always decrement by 1 



We need to decrement in both cases (enq > deq and
enq < deq)

Signed-off-by: default avatarFelipe Balbi <felipe.balbi@linux.intel.com>
parent 696fe69d

drivers/usb/dwc3/gadget.c

+1 −4
Original line number Original line Diff line number Diff line
@@ -884,12 +884,9 @@ static u32 dwc3_calc_trbs_left(struct dwc3_ep *dep) 
		return DWC3_TRB_NUM - 1;

		return DWC3_TRB_NUM - 1;

	}

	}





	trbs_left = dep->trb_dequeue - dep->trb_enqueue;

	trbs_left = dep->trb_dequeue - dep->trb_enqueue - 1;

	trbs_left &= (DWC3_TRB_NUM - 1);

	trbs_left &= (DWC3_TRB_NUM - 1);





	if (dep->trb_dequeue < dep->trb_enqueue)

		trbs_left--;



	return trbs_left;

	return trbs_left;

}

}