diff options
Diffstat (limited to 'drivers/net/sky2.c')
| -rw-r--r-- | drivers/net/sky2.c | 68 |
1 files changed, 47 insertions, 21 deletions
diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c index 61a0451957b0..4147530cee02 100644 --- a/drivers/net/sky2.c +++ b/drivers/net/sky2.c @@ -1880,10 +1880,6 @@ static void sky2_tx_complete(struct sky2_port *sky2, u16 done) sky2->tx_cons = idx; smp_mb(); - - /* Wake unless it's detached, and called e.g. from sky2_down() */ - if (tx_avail(sky2) > MAX_SKB_TX_LE + 4 && netif_device_present(dev)) - netif_wake_queue(dev); } static void sky2_tx_reset(struct sky2_hw *hw, unsigned port) @@ -1912,7 +1908,6 @@ static void sky2_hw_down(struct sky2_port *sky2) { struct sky2_hw *hw = sky2->hw; unsigned port = sky2->port; - u32 imask; u16 ctrl; /* Force flow control off */ @@ -1946,15 +1941,6 @@ static void sky2_hw_down(struct sky2_port *sky2) sky2_rx_stop(sky2); - /* Disable port IRQ */ - imask = sky2_read32(hw, B0_IMSK); - imask &= ~portirq_msk[port]; - sky2_write32(hw, B0_IMSK, imask); - sky2_read32(hw, B0_IMSK); - - synchronize_irq(hw->pdev->irq); - napi_synchronize(&hw->napi); - spin_lock_bh(&sky2->phy_lock); sky2_phy_power_down(hw, port); spin_unlock_bh(&sky2->phy_lock); @@ -1969,6 +1955,7 @@ static void sky2_hw_down(struct sky2_port *sky2) static int sky2_down(struct net_device *dev) { struct sky2_port *sky2 = netdev_priv(dev); + struct sky2_hw *hw = sky2->hw; /* Never really got started! */ if (!sky2->tx_le) @@ -1977,6 +1964,14 @@ static int sky2_down(struct net_device *dev) if (netif_msg_ifdown(sky2)) printk(KERN_INFO PFX "%s: disabling interface\n", dev->name); + /* Disable port IRQ */ + sky2_write32(hw, B0_IMSK, + sky2_read32(hw, B0_IMSK) & ~portirq_msk[sky2->port]); + sky2_read32(hw, B0_IMSK); + + synchronize_irq(hw->pdev->irq); + napi_synchronize(&hw->napi); + sky2_hw_down(sky2); sky2_free_buffers(sky2); @@ -2475,8 +2470,13 @@ static inline void sky2_tx_done(struct net_device *dev, u16 last) { struct sky2_port *sky2 = netdev_priv(dev); - if (netif_running(dev)) + if (netif_running(dev)) { sky2_tx_complete(sky2, last); + + /* Wake unless it's detached, and called e.g. from sky2_down() */ + if (tx_avail(sky2) > MAX_SKB_TX_LE + 4) + netif_wake_queue(dev); + } } static inline void sky2_skb_rx(const struct sky2_port *sky2, @@ -3277,20 +3277,46 @@ static int sky2_reattach(struct net_device *dev) static void sky2_restart(struct work_struct *work) { struct sky2_hw *hw = container_of(work, struct sky2_hw, restart_work); + u32 imask; int i; rtnl_lock(); - for (i = 0; i < hw->ports; i++) - sky2_detach(hw->dev[i]); napi_disable(&hw->napi); + synchronize_irq(hw->pdev->irq); + imask = sky2_read32(hw, B0_IMSK); sky2_write32(hw, B0_IMSK, 0); + + for (i = 0; i < hw->ports; i++) { + struct net_device *dev = hw->dev[i]; + struct sky2_port *sky2 = netdev_priv(dev); + + if (!netif_running(dev)) + continue; + + netif_carrier_off(dev); + netif_tx_disable(dev); + sky2_hw_down(sky2); + } + sky2_reset(hw); - sky2_write32(hw, B0_IMSK, Y2_IS_BASE); - napi_enable(&hw->napi); - for (i = 0; i < hw->ports; i++) - sky2_reattach(hw->dev[i]); + for (i = 0; i < hw->ports; i++) { + struct net_device *dev = hw->dev[i]; + struct sky2_port *sky2 = netdev_priv(dev); + + if (!netif_running(dev)) + continue; + + sky2_hw_up(sky2); + netif_wake_queue(dev); + } + + sky2_write32(hw, B0_IMSK, imask); + sky2_read32(hw, B0_IMSK); + + sky2_read32(hw, B0_Y2_SP_LISR); + napi_enable(&hw->napi); rtnl_unlock(); } |
