static int hss_hdlc_close(struct net_device *dev)
{
struct port *port = dev_to_port(dev);
unsigned long flags;
int i, buffs = RX_DESCS;
spin_lock_irqsave(&npe_lock, flags);
ports_open--;
qmgr_disable_irq(queue_ids[port->id].rx);
netif_stop_queue(dev);
napi_disable(&port->napi);
hss_stop_hdlc(port);
while (queue_get_desc(queue_ids[port->id].rxfree, port, 0) >= 0)
buffs--;
while (queue_get_desc(queue_ids[port->id].rx, port, 0) >= 0)
buffs--;
if (buffs)
netdev_crit(dev, "unable to drain RX queue, %i buffer(s) left in NPE\n",
buffs);
buffs = TX_DESCS;
while (queue_get_desc(queue_ids[port->id].tx, port, 1) >= 0)
buffs--;
i = 0;
do {
while (queue_get_desc(port->plat->txreadyq, port, 1) >= 0)
buffs--;
if (!buffs)
break;
} while (++i < MAX_CLOSE_WAIT);
if (buffs)
netdev_crit(dev, "unable to drain TX queue, %i buffer(s) left in NPE\n",
buffs);
#if DEBUG_CLOSE
if (!buffs)
printk(KERN_DEBUG "Draining TX queues took %i cycles\n", i);
#endif
qmgr_disable_irq(queue_ids[port->id].txdone);
if (port->plat->close)
port->plat->close(port->id, dev);
spin_unlock_irqrestore(&npe_lock, flags);
destroy_hdlc_queues(port);
release_hdlc_queues(port);
hdlc_close(dev);
return 0;
}
static int bcmgenet_poll_wol_status(struct bcmgenet_priv *priv)
{
struct net_device *dev = priv->dev;
int retries = 0;
while (!(bcmgenet_rbuf_readl(priv, RBUF_STATUS)
& RBUF_STATUS_WOL)) {
retries++;
if (retries > 5) {
netdev_crit(dev, "polling wol mode timeout\n");
return -ETIMEDOUT;
}
mdelay(1);
}
return retries;
}
