diff options
Diffstat (limited to 'drivers/net/ks8842.c')
| -rw-r--r-- | drivers/net/ks8842.c | 24 |
1 files changed, 22 insertions, 2 deletions
diff --git a/drivers/net/ks8842.c b/drivers/net/ks8842.c index d47bba9202e1..5191af2c1fa0 100644 --- a/drivers/net/ks8842.c +++ b/drivers/net/ks8842.c @@ -119,6 +119,8 @@ struct ks8842_adapter { int irq; struct tasklet_struct tasklet; spinlock_t lock; /* spinlock to be interrupt safe */ + struct work_struct timeout_work; + struct net_device *netdev; }; static inline void ks8842_select_bank(struct ks8842_adapter *adapter, u16 bank) @@ -553,6 +555,8 @@ static int ks8842_close(struct net_device *netdev) netdev_dbg(netdev, "%s - entry\n", __func__); + cancel_work_sync(&adapter->timeout_work); + /* free the irq */ free_irq(adapter->irq, netdev); @@ -595,9 +599,11 @@ static int ks8842_set_mac(struct net_device *netdev, void *p) return 0; } -static void ks8842_tx_timeout(struct net_device *netdev) +static void ks8842_tx_timeout_work(struct work_struct *work) { - struct ks8842_adapter *adapter = netdev_priv(netdev); + struct ks8842_adapter *adapter = + container_of(work, struct ks8842_adapter, timeout_work); + struct net_device *netdev = adapter->netdev; unsigned long flags; netdev_dbg(netdev, "%s: entry\n", __func__); @@ -606,6 +612,9 @@ static void ks8842_tx_timeout(struct net_device *netdev) /* disable interrupts */ ks8842_write16(adapter, 18, 0, REG_IER); ks8842_write16(adapter, 18, 0xFFFF, REG_ISR); + + netif_stop_queue(netdev); + spin_unlock_irqrestore(&adapter->lock, flags); ks8842_reset_hw(adapter); @@ -615,6 +624,15 @@ static void ks8842_tx_timeout(struct net_device *netdev) ks8842_update_link_status(netdev, adapter); } +static void ks8842_tx_timeout(struct net_device *netdev) +{ + struct ks8842_adapter *adapter = netdev_priv(netdev); + + netdev_dbg(netdev, "%s: entry\n", __func__); + + schedule_work(&adapter->timeout_work); +} + static const struct net_device_ops ks8842_netdev_ops = { .ndo_open = ks8842_open, .ndo_stop = ks8842_close, @@ -649,6 +667,8 @@ static int __devinit ks8842_probe(struct platform_device *pdev) SET_NETDEV_DEV(netdev, &pdev->dev); adapter = netdev_priv(netdev); + adapter->netdev = netdev; + INIT_WORK(&adapter->timeout_work, ks8842_tx_timeout_work); adapter->hw_addr = ioremap(iomem->start, resource_size(iomem)); if (!adapter->hw_addr) goto err_ioremap; |