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[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>
hifive-unleashed-5.1
Stephen Hemminger 2006-08-28 16:19:35 -07:00 committed by Jeff Garzik
parent e981d47b9f
commit d38efdd65a
1 changed files with 29 additions and 20 deletions
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49
drivers/net/skge.c
View File

@ -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