C++ (Cpp) request_nukeの例

コード例 #1

ファイル: dwc_otg_pcd.c プロジェクト: spfy/040005

/** 
 * This function is called when an EP is disabled due to disconnect or
 * change in configuration. Any pending requests will terminate with a
 * status of -ESHUTDOWN.
 *
 * This function modifies the dwc_otg_ep_t data structure for this EP,
 * and then calls dwc_otg_ep_deactivate.
 */
static int dwc_otg_pcd_ep_disable(struct usb_ep *_ep)
{
	dwc_otg_pcd_ep_t *ep;
	unsigned long flags;

	DWC_DEBUGPL(DBG_PCDV,"%s(%p)\n", __func__, _ep);
	ep = container_of(_ep, dwc_otg_pcd_ep_t, ep);
	if (!_ep || !ep->desc) 
	{
		DWC_DEBUGPL(DBG_PCD, "%s, %s not enabled\n", __func__,
			_ep ? ep->ep.name : NULL);
		return -EINVAL;
	}
		
	SPIN_LOCK_IRQSAVE(&ep->pcd->lock, flags);

	request_nuke( ep );		   

	dwc_otg_ep_deactivate( GET_CORE_IF(ep->pcd), &ep->dwc_ep );
	ep->desc = 0;
	ep->stopped = 1;
	
	if(ep->dwc_ep.is_in)
	{
		release_perio_tx_fifo(GET_CORE_IF(ep->pcd), ep->dwc_ep.tx_fifo_num);
		release_tx_fifo(GET_CORE_IF(ep->pcd), ep->dwc_ep.tx_fifo_num);
	}	
	
	SPIN_UNLOCK_IRQRESTORE(&ep->pcd->lock, flags);

	DWC_DEBUGPL(DBG_PCD, "%s disabled\n", _ep->name);
	return 0;
}

コード例 #2

ファイル: dwc_otg_pcd.c プロジェクト: odit/rv042

/**
 * This function is called when an EP is disabled due to disconnect or
 * change in configuration. Any pending requests will terminate with a
 * status of -ESHUTDOWN.
 *
 * This function modifies the dwc_otg_ep_t data structure for this EP,
 * and then calls dwc_otg_ep_deactivate.
 */
static int dwc_otg_pcd_ep_disable(struct usb_ep *_ep)
{
        dwc_otg_pcd_ep_t *ep;
        unsigned long flags;

        DWC_DEBUGPL(DBG_PCDV,"%s(%p)\n", __func__, _ep);
        ep = container_of(_ep, dwc_otg_pcd_ep_t, ep);
	if (!_ep || !ep->desc) {
		DWC_DEBUGPL(DBG_PCD, "%s, %s not enabled\n", __func__,
                            _ep ? ep->ep.name : NULL);
		return -EINVAL;
	}

        spin_lock_irqsave(&ep->pcd->lock, flags);

        request_nuke( ep );

        dwc_otg_ep_deactivate( GET_CORE_IF(ep->pcd), &ep->dwc_ep );
	ep->desc = 0;
	ep->stopped = 1;
        spin_unlock_irqrestore(&ep->pcd->lock, flags);

	DWC_DEBUGPL(DBG_PCD, "%s disabled\n", _ep->name);
        return 0;
}