C++ (Cpp) fjes_hw_capture_interrupt_status示例

示例#1

文件： fjes_main.c 项目： faddat/linux-mainline-next

static irqreturn_t fjes_intr(int irq, void *data)
{
	struct fjes_adapter *adapter = data;
	struct fjes_hw *hw = &adapter->hw;
	irqreturn_t ret;
	u32 icr;

	icr = fjes_hw_capture_interrupt_status(hw);

	if (icr & REG_IS_MASK_IS_ASSERT) {
		if (icr & REG_ICTL_MASK_RX_DATA)
			fjes_rx_irq(adapter, icr & REG_IS_MASK_EPID);

		if (icr & REG_ICTL_MASK_DEV_STOP_REQ)
			fjes_stop_req_irq(adapter, icr & REG_IS_MASK_EPID);

		if (icr & REG_ICTL_MASK_TXRX_STOP_REQ)
			fjes_txrx_stop_req_irq(adapter, icr & REG_IS_MASK_EPID);

		if (icr & REG_ICTL_MASK_TXRX_STOP_DONE)
			fjes_hw_set_irqmask(hw,
					    REG_ICTL_MASK_TXRX_STOP_DONE, true);

		if (icr & REG_ICTL_MASK_INFO_UPDATE)
			fjes_update_zone_irq(adapter, icr & REG_IS_MASK_EPID);

		ret = IRQ_HANDLED;
	} else {
		ret = IRQ_NONE;
	}

	return ret;
}

示例#2

文件： fjes_main.c 项目： asmalldev/linux

/* fjes_open - Called when a network interface is made active */
static int fjes_open(struct net_device *netdev)
{
	struct fjes_adapter *adapter = netdev_priv(netdev);
	struct fjes_hw *hw = &adapter->hw;
	int result;

	if (adapter->open_guard)
		return -ENXIO;

	result = fjes_setup_resources(adapter);
	if (result)
		goto err_setup_res;

	hw->txrx_stop_req_bit = 0;
	hw->epstop_req_bit = 0;

	napi_enable(&adapter->napi);

	fjes_hw_capture_interrupt_status(hw);

	result = fjes_request_irq(adapter);
	if (result)
		goto err_req_irq;

	fjes_hw_set_irqmask(hw, REG_ICTL_MASK_ALL, false);

	netif_tx_start_all_queues(netdev);
	netif_carrier_on(netdev);

	return 0;

err_req_irq:
	fjes_free_irq(adapter);
	napi_disable(&adapter->napi);

err_setup_res:
	fjes_free_resources(adapter);
	return result;
}