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path: root/drivers/net/sky2.c
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Diffstat (limited to 'drivers/net/sky2.c')
-rw-r--r--drivers/net/sky2.c14
1 files changed, 13 insertions, 1 deletions
diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c
index 661abd0492ae..1415a8375093 100644
--- a/drivers/net/sky2.c
+++ b/drivers/net/sky2.c
@@ -1488,6 +1488,8 @@ static int sky2_up(struct net_device *dev)
1488 sky2_set_vlan_mode(hw, port, sky2->vlgrp != NULL); 1488 sky2_set_vlan_mode(hw, port, sky2->vlgrp != NULL);
1489#endif 1489#endif
1490 1490
1491 sky2->restarting = 0;
1492
1491 err = sky2_rx_start(sky2); 1493 err = sky2_rx_start(sky2);
1492 if (err) 1494 if (err)
1493 goto err_out; 1495 goto err_out;
@@ -1500,6 +1502,9 @@ static int sky2_up(struct net_device *dev)
1500 1502
1501 sky2_set_multicast(dev); 1503 sky2_set_multicast(dev);
1502 1504
1505 /* wake queue incase we are restarting */
1506 netif_wake_queue(dev);
1507
1503 if (netif_msg_ifup(sky2)) 1508 if (netif_msg_ifup(sky2))
1504 printk(KERN_INFO PFX "%s: enabling interface\n", dev->name); 1509 printk(KERN_INFO PFX "%s: enabling interface\n", dev->name);
1505 return 0; 1510 return 0;
@@ -1533,6 +1538,8 @@ static inline int tx_dist(unsigned tail, unsigned head)
1533/* Number of list elements available for next tx */ 1538/* Number of list elements available for next tx */
1534static inline int tx_avail(const struct sky2_port *sky2) 1539static inline int tx_avail(const struct sky2_port *sky2)
1535{ 1540{
1541 if (unlikely(sky2->restarting))
1542 return 0;
1536 return sky2->tx_pending - tx_dist(sky2->tx_cons, sky2->tx_prod); 1543 return sky2->tx_pending - tx_dist(sky2->tx_cons, sky2->tx_prod);
1537} 1544}
1538 1545
@@ -1818,6 +1825,10 @@ static int sky2_down(struct net_device *dev)
1818 if (netif_msg_ifdown(sky2)) 1825 if (netif_msg_ifdown(sky2))
1819 printk(KERN_INFO PFX "%s: disabling interface\n", dev->name); 1826 printk(KERN_INFO PFX "%s: disabling interface\n", dev->name);
1820 1827
1828 /* explicitly shut off tx incase we're restarting */
1829 sky2->restarting = 1;
1830 netif_tx_disable(dev);
1831
1821 /* Force flow control off */ 1832 /* Force flow control off */
1822 sky2_write8(hw, SK_REG(port, GMAC_CTRL), GMC_PAUSE_OFF); 1833 sky2_write8(hw, SK_REG(port, GMAC_CTRL), GMC_PAUSE_OFF);
1823 1834
@@ -2359,7 +2370,7 @@ static inline void sky2_tx_done(struct net_device *dev, u16 last)
2359{ 2370{
2360 struct sky2_port *sky2 = netdev_priv(dev); 2371 struct sky2_port *sky2 = netdev_priv(dev);
2361 2372
2362 if (netif_running(dev)) { 2373 if (likely(netif_running(dev) && !sky2->restarting)) {
2363 netif_tx_lock(dev); 2374 netif_tx_lock(dev);
2364 sky2_tx_complete(sky2, last); 2375 sky2_tx_complete(sky2, last);
2365 netif_tx_unlock(dev); 2376 netif_tx_unlock(dev);
@@ -4283,6 +4294,7 @@ static __devinit struct net_device *sky2_init_netdev(struct sky2_hw *hw,
4283 spin_lock_init(&sky2->phy_lock); 4294 spin_lock_init(&sky2->phy_lock);
4284 sky2->tx_pending = TX_DEF_PENDING; 4295 sky2->tx_pending = TX_DEF_PENDING;
4285 sky2->rx_pending = RX_DEF_PENDING; 4296 sky2->rx_pending = RX_DEF_PENDING;
4297 sky2->restarting = 0;
4286 4298
4287 hw->dev[port] = dev; 4299 hw->dev[port] = dev;
4288 4300