C++ phy_disconnect函数代码示例

int bcmgenet_mii_probe(struct net_device *dev)
{
	struct bcmgenet_priv *priv = netdev_priv(dev);
	struct device_node *dn = priv->pdev->dev.of_node;
	struct phy_device *phydev;
	u32 phy_flags;
	int ret;

	/* Communicate the integrated PHY revision */
	phy_flags = priv->gphy_rev;

	/* Initialize link state variables that bcmgenet_mii_setup() uses */
	priv->old_link = -1;
	priv->old_speed = -1;
	priv->old_duplex = -1;
	priv->old_pause = -1;

	if (dn) {
		phydev = of_phy_connect(dev, priv->phy_dn, bcmgenet_mii_setup,
					phy_flags, priv->phy_interface);
		if (!phydev) {
			pr_err("could not attach to PHY\n");
			return -ENODEV;
		}
	} else {
		phydev = dev->phydev;
		phydev->dev_flags = phy_flags;

		ret = phy_connect_direct(dev, phydev, bcmgenet_mii_setup,
					 priv->phy_interface);
		if (ret) {
			pr_err("could not attach to PHY\n");
			return -ENODEV;
		}
	}

	/* Configure port multiplexer based on what the probed PHY device since
	 * reading the 'max-speed' property determines the maximum supported
	 * PHY speed which is needed for bcmgenet_mii_config() to configure
	 * things appropriately.
	 */
	ret = bcmgenet_mii_config(dev, true);
	if (ret) {
		phy_disconnect(dev->phydev);
		return ret;
	}

	linkmode_copy(phydev->advertising, phydev->supported);

	/* The internal PHY has its link interrupts routed to the
	 * Ethernet MAC ISRs. On GENETv5 there is a hardware issue
	 * that prevents the signaling of link UP interrupts when
	 * the link operates at 10Mbps, so fallback to polling for
	 * those versions of GENET.
	 */
	if (priv->internal_phy && !GENET_IS_V5(priv))
		dev->phydev->irq = PHY_IGNORE_INTERRUPT;

	return 0;
}

static void emac_mdio_remove(struct net_device *dev)
{
	struct emac_board_info *db = netdev_priv(dev);

	phy_disconnect(db->phy_dev);
	db->phy_dev = NULL;
}

static int hieth_platdev_remove_port(struct platform_device *pdev, int port)
{
	struct net_device *ndev;
	struct hieth_netdev_local *ld;

	ndev = hieth_devs_save[port];

	if (!ndev)
		goto _ndev_exit;

	ld = netdev_priv(ndev);

	unregister_netdev(ndev);
	hieth_destroy_skb_buffers(ld);

	phy_disconnect(ld->phy);
	ld->phy = NULL;

	iounmap((void *)ld->iobase);

	local_lock_exit();

	hieth_devs_save[port] = NULL;
	free_netdev(ndev);

_ndev_exit:
	return 0;
}

static int yatse_stop(struct net_device *ndev){
	struct yatse_private *priv = netdev_priv(ndev);
	unsigned long flags;

	napi_disable(&priv->napi);

	printk(KERN_INFO "yatse: shutdown\n");
	spin_lock_irqsave(&priv->mac_lock, flags);
	priv->link = 0;
	if(priv->phy_irq != PHY_POLL) phy_stop_interrupts(priv->phydev);
	phy_disconnect(priv->phydev);
	spin_unlock_irqrestore(&priv->mac_lock, flags);

	disable_irq(priv->dma.rx_irq);
	disable_irq(priv->dma.tx_irq);

	netif_stop_queue(ndev);

	spin_lock_irqsave(&priv->dma.rx_lock, flags);
	spin_lock(&priv->dma.tx_lock);
	yatse_dma_stop(&priv->dma);
	spin_unlock(&priv->dma.tx_lock);
	spin_unlock_irqrestore(&priv->dma.rx_lock, flags);
	tasklet_kill(&priv->tx_tasklet);

	napi_disable(&priv->napi);

	printk(KERN_INFO "yatse: shutdown complete\n");
	
	return 0;
}

void cvm_oct_common_uninit(struct net_device *dev)
{
	struct octeon_ethernet *priv = netdev_priv(dev);

	if (priv->phydev)
		phy_disconnect(priv->phydev);
}

static int octeon_mgmt_stop(struct net_device *netdev)
{
	struct octeon_mgmt *p = netdev_priv(netdev);

	napi_disable(&p->napi);
	netif_stop_queue(netdev);

	if (p->phydev)
		phy_disconnect(p->phydev);
	p->phydev = NULL;

	netif_carrier_off(netdev);

	octeon_mgmt_reset_hw(p);

	free_irq(p->irq, netdev);

	/* dma_unmap is a nop on Octeon, so just free everything.  */
	skb_queue_purge(&p->tx_list);
	skb_queue_purge(&p->rx_list);

	dma_unmap_single(p->dev, p->rx_ring_handle,
			 ring_size_to_bytes(OCTEON_MGMT_RX_RING_SIZE),
			 DMA_BIDIRECTIONAL);
	kfree(p->rx_ring);

	dma_unmap_single(p->dev, p->tx_ring_handle,
			 ring_size_to_bytes(OCTEON_MGMT_TX_RING_SIZE),
			 DMA_BIDIRECTIONAL);
	kfree(p->tx_ring);

	return 0;
}

static void cpsw_slave_stop(struct cpsw_slave *slave, struct cpsw_priv *priv)
{
	if (!slave->phy)
		return;
	phy_stop(slave->phy);
	phy_disconnect(slave->phy);
	slave->phy = NULL;
}

void dsa_slave_destroy(struct net_device *slave_dev)
{
	struct dsa_slave_priv *p = netdev_priv(slave_dev);

	netif_carrier_off(slave_dev);
	if (p->phy)
		phy_disconnect(p->phy);
	unregister_netdev(slave_dev);
	free_netdev(slave_dev);
}

static int arc_emac_remove(struct platform_device *pdev)
{
	struct net_device *ndev = platform_get_drvdata(pdev);
	struct arc_emac_priv *priv = netdev_priv(ndev);

	phy_disconnect(priv->phy_dev);
	priv->phy_dev = NULL;
	arc_mdio_remove(priv);
	unregister_netdev(ndev);
	netif_napi_del(&priv->napi);
	free_netdev(ndev);

	return 0;
}

static int __devexit eth_remove_one(struct platform_device *pdev)
{
	struct net_device *dev = platform_get_drvdata(pdev);
	struct port *port = netdev_priv(dev);

	unregister_netdev(dev);
	phy_disconnect(port->phydev);
	npe_port_tab[NPE_ID(port->id)] = NULL;
	platform_set_drvdata(pdev, NULL);
	npe_release(port->npe);
	release_resource(port->mem_res);
	free_netdev(dev);
	return 0;
}

static int ax88172a_stop(struct usbnet *dev)
{
	struct ax88172a_private *priv = dev->driver_priv;

	netdev_dbg(dev->net, "Stopping interface\n");

	if (priv->phydev) {
		netdev_info(dev->net, "Disconnecting from phy %s\n",
			    priv->phy_name);
		phy_stop(priv->phydev);
		phy_disconnect(priv->phydev);
	}

	return 0;
}

static int at91ether_remove(struct platform_device *pdev)
{
	struct net_device *dev = platform_get_drvdata(pdev);
	struct macb *lp = netdev_priv(dev);

	if (lp->phy_dev)
		phy_disconnect(lp->phy_dev);

	mdiobus_unregister(lp->mii_bus);
	kfree(lp->mii_bus->irq);
	mdiobus_free(lp->mii_bus);
	unregister_netdev(dev);
	clk_disable(lp->pclk);
	free_netdev(dev);

	return 0;
}

/**
 * phylink_disconnect_phy() - disconnect any PHY attached to the phylink
 *   instance.
 * @pl: a pointer to a &struct phylink returned from phylink_create()
 *
 * Disconnect any current PHY from the phylink instance described by @pl.
 */
void phylink_disconnect_phy(struct phylink *pl)
{
	struct phy_device *phy;

	ASSERT_RTNL();

	phy = pl->phydev;
	if (phy) {
		mutex_lock(&phy->lock);
		mutex_lock(&pl->state_mutex);
		pl->phydev = NULL;
		mutex_unlock(&pl->state_mutex);
		mutex_unlock(&phy->lock);
		flush_work(&pl->resolve);

		phy_disconnect(phy);
	}
}

static int hip04_remove(struct platform_device *pdev)
{
    struct net_device *ndev = platform_get_drvdata(pdev);
    struct hip04_priv *priv = netdev_priv(ndev);
    struct device *d = &pdev->dev;

    if (priv->phy)
        phy_disconnect(priv->phy);

    hip04_free_ring(ndev, d);
    unregister_netdev(ndev);
    free_irq(ndev->irq, ndev);
    of_node_put(priv->phy_node);
    cancel_work_sync(&priv->tx_timeout_task);
    free_netdev(ndev);

    return 0;
}

void phylink_disconnect_phy(struct phylink *pl)
{
	struct phy_device *phy;

	WARN_ON(!lockdep_rtnl_is_held());

	phy = pl->phydev;
	if (phy) {
		mutex_lock(&phy->lock);
		mutex_lock(&pl->state_mutex);
		pl->netdev->phydev = NULL;
		pl->phydev = NULL;
		mutex_unlock(&pl->state_mutex);
		mutex_unlock(&phy->lock);
		flush_work(&pl->resolve);

		phy_disconnect(phy);
	}
}