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sundance: Add power management hooks 

This patch to adds support for PM hooks into sundance driver

Signed-off-by: Denis Kirjanov <dkirjanov@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Denis Kirjanov 2010-09-10 23:23:13 +00:00 committed by David S. Miller
parent 83b6b1f5d1
commit 61a21455ee
1 changed files with 48 additions and 0 deletions
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48
drivers/net/sundance.c
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@ -1757,11 +1757,59 @@ static void __devexit sundance_remove1 (struct pci_dev *pdev)
}
}
#ifdef CONFIG_PM
static int sundance_suspend(struct pci_dev *pci_dev, pm_message_t state)
{
struct net_device *dev = pci_get_drvdata(pci_dev);
if (!netif_running(dev))
return 0;
netdev_close(dev);
netif_device_detach(dev);
pci_save_state(pci_dev);
pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state));
return 0;
}
static int sundance_resume(struct pci_dev *pci_dev)
{
struct net_device *dev = pci_get_drvdata(pci_dev);
int err = 0;
if (!netif_running(dev))
return 0;
pci_set_power_state(pci_dev, PCI_D0);
pci_restore_state(pci_dev);
err = netdev_open(dev);
if (err) {
printk(KERN_ERR "%s: Can't resume interface!\n",
dev->name);
goto out;
}
netif_device_attach(dev);
out:
return err;
}
#endif /* CONFIG_PM */
static struct pci_driver sundance_driver = {
.name = DRV_NAME,
.id_table = sundance_pci_tbl,
.probe = sundance_probe1,
.remove = __devexit_p(sundance_remove1),
#ifdef CONFIG_PM
.suspend = sundance_suspend,
.resume = sundance_resume,
#endif /* CONFIG_PM */
};
static int __init sundance_init(void)