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;
}
/**
* phy_disconnect - disable interrupts, stop state machine, and detach a PHY device
* @phydev: target phy_device struct
*/
void phy_disconnect(struct phy_device *phydev)
{
if (phydev->irq > 0)
phy_stop_interrupts(phydev);
phy_stop_machine(phydev);
phydev->adjust_link = NULL;
phy_detach(phydev);
}
