diff options
author | Stephen Hemminger <shemminger@osdl.org> | 2006-08-28 23:19:35 (GMT) |
---|---|---|
committer | Jeff Garzik <jeff@garzik.org> | 2006-08-29 21:18:30 (GMT) |
commit | d38efdd65aaabd82374f386d0cc54de2ffc90af3 (patch) | |
tree | 99967ff37a6a491776d790f0e40fb15747ed7ef7 /drivers/net/skge.c | |
parent | e981d47b9f0c322bacc8398c6c25fcd355a19415 (diff) | |
download | linux-d38efdd65aaabd82374f386d0cc54de2ffc90af3.tar.xz |
[PATCH] skge: cleanup suspend/resume code
The code for suspend/resume needs several fixes. The hardware lock
should be setup in probe only, not in resume. Interrupts should be
disabled during suspend, etc.
Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Diffstat (limited to 'drivers/net/skge.c')
-rw-r--r-- | drivers/net/skge.c | 49 |
1 files changed, 29 insertions, 20 deletions
diff --git a/drivers/net/skge.c b/drivers/net/skge.c index 1b75214..b8ebd9c 100644 --- a/drivers/net/skge.c +++ b/drivers/net/skge.c @@ -3106,7 +3106,6 @@ static int skge_reset(struct skge_hw *hw) else hw->ram_size = t8 * 4096; - spin_lock_init(&hw->hw_lock); hw->intr_mask = IS_HW_ERR | IS_EXT_REG | IS_PORT_1; if (hw->ports > 1) hw->intr_mask |= IS_PORT_2; @@ -3332,6 +3331,7 @@ static int __devinit skge_probe(struct pci_dev *pdev, hw->pdev = pdev; mutex_init(&hw->phy_mutex); INIT_WORK(&hw->phy_work, skge_extirq, hw); + spin_lock_init(&hw->hw_lock); hw->regs = ioremap_nocache(pci_resource_start(pdev, 0), 0x4000); if (!hw->regs) { @@ -3449,26 +3449,25 @@ static int skge_suspend(struct pci_dev *pdev, pm_message_t state) struct skge_hw *hw = pci_get_drvdata(pdev); int i, wol = 0; - for (i = 0; i < 2; i++) { + pci_save_state(pdev); + for (i = 0; i < hw->ports; i++) { struct net_device *dev = hw->dev[i]; - if (dev) { + if (netif_running(dev)) { struct skge_port *skge = netdev_priv(dev); - if (netif_running(dev)) { - netif_carrier_off(dev); - if (skge->wol) - netif_stop_queue(dev); - else - skge_down(dev); - } - netif_device_detach(dev); + + netif_carrier_off(dev); + if (skge->wol) + netif_stop_queue(dev); + else + skge_down(dev); wol |= skge->wol; } + netif_device_detach(dev); } - pci_save_state(pdev); + skge_write32(hw, B0_IMSK, 0); pci_enable_wake(pdev, pci_choose_state(pdev, state), wol); - pci_disable_device(pdev); pci_set_power_state(pdev, pci_choose_state(pdev, state)); return 0; @@ -3477,23 +3476,33 @@ static int skge_suspend(struct pci_dev *pdev, pm_message_t state) static int skge_resume(struct pci_dev *pdev) { struct skge_hw *hw = pci_get_drvdata(pdev); - int i; + int i, err; pci_set_power_state(pdev, PCI_D0); pci_restore_state(pdev); pci_enable_wake(pdev, PCI_D0, 0); - skge_reset(hw); + err = skge_reset(hw); + if (err) + goto out; - for (i = 0; i < 2; i++) { + for (i = 0; i < hw->ports; i++) { struct net_device *dev = hw->dev[i]; - if (dev) { - netif_device_attach(dev); - if (netif_running(dev) && skge_up(dev)) + + netif_device_attach(dev); + if (netif_running(dev)) { + err = skge_up(dev); + + if (err) { + printk(KERN_ERR PFX "%s: could not up: %d\n", + dev->name, err); dev_close(dev); + goto out; + } } } - return 0; +out: + return err; } #endif |