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Commit d9b33c60 authored by Felipe Balbi's avatar Felipe Balbi
Browse files

usb: dwc3: ep0: split the special cases on ep0_queue 



We can return early from each if () branch
and split the special cases for clarity. While
at that also add a comment to the delayed_status
case.

Signed-off-by: default avatarFelipe Balbi <balbi@ti.com>
parent 35f75696

drivers/usb/dwc3/ep0.c

+11 −1
Original line number Original line Diff line number Diff line
@@ -155,13 +155,23 @@ static int __dwc3_gadget_ep0_queue(struct dwc3_ep *dep, 




		dep->flags &= ~(DWC3_EP_PENDING_REQUEST |

		dep->flags &= ~(DWC3_EP_PENDING_REQUEST |

				DWC3_EP0_DIR_IN);

				DWC3_EP0_DIR_IN);

	} else if (dwc->delayed_status) {



		return 0;

	}



	/*

	 * In case gadget driver asked us to delay the STATUS phase,

	 * handle it here.

	 */

	if (dwc->delayed_status) {

		dwc->delayed_status = false;

		dwc->delayed_status = false;





		if (dwc->ep0state == EP0_STATUS_PHASE)

		if (dwc->ep0state == EP0_STATUS_PHASE)

			__dwc3_ep0_do_control_status(dwc, dwc->eps[1]);

			__dwc3_ep0_do_control_status(dwc, dwc->eps[1]);

		else

		else

			dev_dbg(dwc->dev, "too early for delayed status\n");

			dev_dbg(dwc->dev, "too early for delayed status\n");



		return 0;

	}

	}





	return 0;

	return 0;