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Commit 61a21455 authored by Denis Kirjanov's avatar Denis Kirjanov Committed by David S. Miller
Browse files

sundance: Add power management hooks 



This patch to adds support for PM hooks into sundance driver

Signed-off-by: default avatarDenis Kirjanov <dkirjanov@kernel.org>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 83b6b1f5

drivers/net/sundance.c

+48 −0
Original line number Diff line number Diff line
@@ -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)