C++ (Cpp) to_dwc3_requestの例

コード例 #1

ファイル: ep0.c プロジェクト: oscardagrach/linux

int dwc3_gadget_ep0_queue(struct usb_ep *ep, struct usb_request *request,
		gfp_t gfp_flags)
{
	struct dwc3_request		*req = to_dwc3_request(request);
	struct dwc3_ep			*dep = to_dwc3_ep(ep);
	struct dwc3			*dwc = dep->dwc;

	unsigned long			flags;

	int				ret;

	spin_lock_irqsave(&dwc->lock, flags);
	if (!dep->endpoint.desc) {
		dev_err(dwc->dev, "%s: can't queue to disabled endpoint\n",
				dep->name);
		ret = -ESHUTDOWN;
		goto out;
	}

	/* we share one TRB for ep0/1 */
	if (!list_empty(&dep->pending_list)) {
		ret = -EBUSY;
		goto out;
	}

	ret = __dwc3_gadget_ep0_queue(dep, req);

out:
	spin_unlock_irqrestore(&dwc->lock, flags);

	return ret;
}

コード例 #2

ファイル: ep0.c プロジェクト: kishoreinme/uboot

int dwc3_gadget_ep0_queue(struct usb_ep *ep, struct usb_request *request,
		gfp_t gfp_flags)
{
	struct dwc3_request		*req = to_dwc3_request(request);
	struct dwc3_ep			*dep = to_dwc3_ep(ep);
	struct dwc3			*dwc = dep->dwc;


	int				ret;

	if (!dep->desc) {
		dev_dbg(dwc->dev, "trying to queue request %p to disabled %s\n",
				request, dep->name);
		ret = -ESHUTDOWN;
		goto out;
	}

	/* we share one TRB for ep0/1 */
	if (!list_empty(&dep->request_list)) {
		ret = -EBUSY;
		goto out;
	}

	dev_vdbg(dwc->dev, "queueing request %p to %s length %d, state '%s'\n",
			request, dep->name, request->length,
			dwc3_ep0_state_string(dwc->ep0state));

	ret = __dwc3_gadget_ep0_queue(dep, req);

out:

	return ret;
}

コード例 #3

int dwc3_gadget_ep0_queue(struct usb_ep *ep, struct usb_request *request,
		gfp_t gfp_flags)
{
	struct dwc3_request		*req = to_dwc3_request(request);
	struct dwc3_ep			*dep = to_dwc3_ep(ep);
	struct dwc3			*dwc = dep->dwc;

	unsigned long			flags;

	int				ret;

	switch (dwc->ep0state) {
	case EP0_IN_DATA_PHASE:
	case EP0_IN_WAIT_GADGET:
	case EP0_IN_WAIT_NRDY:
	case EP0_IN_STATUS_PHASE:
		dep = dwc->eps[1];
		break;

	case EP0_OUT_DATA_PHASE:
	case EP0_OUT_WAIT_GADGET:
	case EP0_OUT_WAIT_NRDY:
	case EP0_OUT_STATUS_PHASE:
		dep = dwc->eps[0];
		break;
	default:
		return -EINVAL;
	}

	spin_lock_irqsave(&dwc->lock, flags);
	if (!dep->desc) {
		dev_dbg(dwc->dev, "trying to queue request %p to disabled %s\n",
				request, dep->name);
		ret = -ESHUTDOWN;
		goto out;
	}

	/* we share one TRB for ep0/1 */
	if (!list_empty(&dwc->eps[0]->request_list) ||
			!list_empty(&dwc->eps[1]->request_list) ||
			dwc->ep0_status_pending) {
		ret = -EBUSY;
		goto out;
	}

	dev_vdbg(dwc->dev, "queueing request %p to %s length %d, state '%s'\n",
			request, dep->name, request->length,
			dwc3_ep0_state_string(dwc->ep0state));

	ret = __dwc3_gadget_ep0_queue(dep, req);

out:
	spin_unlock_irqrestore(&dwc->lock, flags);

	return ret;
}

コード例 #4

ファイル: ep0.c プロジェクト: 020gzh/linux

int dwc3_gadget_ep0_queue(struct usb_ep *ep, struct usb_request *request,
		gfp_t gfp_flags)
{
	struct dwc3_request		*req = to_dwc3_request(request);
	struct dwc3_ep			*dep = to_dwc3_ep(ep);
	struct dwc3			*dwc = dep->dwc;

	unsigned long			flags;

	int				ret;

	spin_lock_irqsave(&dwc->lock, flags);
	if (!dep->endpoint.desc) {
		dwc3_trace(trace_dwc3_ep0,
				"trying to queue request %p to disabled %s",
				request, dep->name);
		ret = -ESHUTDOWN;
		goto out;
	}

	/* we share one TRB for ep0/1 */
	if (!list_empty(&dep->request_list)) {
		ret = -EBUSY;
		goto out;
	}

	dwc3_trace(trace_dwc3_ep0,
			"queueing request %p to %s length %d state '%s'",
			request, dep->name, request->length,
			dwc3_ep0_state_string(dwc->ep0state));

	ret = __dwc3_gadget_ep0_queue(dep, req);

out:
	spin_unlock_irqrestore(&dwc->lock, flags);

	return ret;
}