/*
* Open and Initialize the interface
*
* Set up everything, reset the card, etc..
*/
static int bfin_mac_open(struct net_device *dev)
{
struct bfin_mac_local *lp = netdev_priv(dev);
int retval;
pr_debug("%s: %s\n", dev->name, __func__);
/*
* Check that the address is valid. If its not, refuse
* to bring the device up. The user must specify an
* address using ifconfig eth0 hw ether xx:xx:xx:xx:xx:xx
*/
if (!is_valid_ether_addr(dev->dev_addr)) {
printk(KERN_WARNING DRV_NAME ": no valid ethernet hw addr\n");
return -EINVAL;
}
/* initial rx and tx list */
retval = desc_list_init();
if (retval)
return retval;
phy_start(lp->phydev);
phy_write(lp->phydev, MII_BMCR, BMCR_RESET);
setup_system_regs(dev);
setup_mac_addr(dev->dev_addr);
bfin_mac_disable();
bfin_mac_enable();
pr_debug("hardware init finished\n");
netif_start_queue(dev);
netif_carrier_on(dev);
return 0;
}
static int bfin_mac_open(struct net_device *dev)
{
struct bfin_mac_local *lp = netdev_priv(dev);
int retval;
pr_debug("%s: %s\n", dev->name, __func__);
if (!is_valid_ether_addr(dev->dev_addr)) {
printk(KERN_WARNING DRV_NAME ": no valid ethernet hw addr\n");
return -EINVAL;
}
retval = desc_list_init();
if (retval)
return retval;
phy_start(lp->phydev);
phy_write(lp->phydev, MII_BMCR, BMCR_RESET);
setup_system_regs(dev);
setup_mac_addr(dev->dev_addr);
bfin_mac_disable();
bfin_mac_enable();
pr_debug("hardware init finished\n");
netif_start_queue(dev);
netif_carrier_on(dev);
return 0;
}
/* Our watchdog timed out. Called by the networking layer */
static void bfin_mac_timeout(struct net_device *dev)
{
pr_debug("%s: %s\n", dev->name, __func__);
bfin_mac_disable();
/* reset tx queue */
tx_list_tail = tx_list_head->next;
bfin_mac_enable();
/* We can accept TX packets again */
dev->trans_start = jiffies;
netif_wake_queue(dev);
}
static void bfin_mac_timeout(struct net_device *dev)
{
pr_debug("%s: %s\n", dev->name, __func__);
bfin_mac_disable();
tx_list_tail = tx_list_head->next;
bfin_mac_enable();
dev->trans_start = jiffies;
netif_wake_queue(dev);
}
