Hi.
On Mon, 2007-06-04 at 15:49 +0200, Rafael J. Wysocki wrote:
> On Monday, 4 June 2007 13:11, Pavel Machek wrote:
> > > From: Rafael J. Wysocki <[EMAIL PROTECTED]>
> > >
> > > Add suspend/resume support to the uli526x network driver (tested on
> > > x86_64,
> > > with 'Ethernet controller: ALi Corporation M5263 Ethernet Controller, rev
> > > 40').
> > >
> > > Signed-off-by: Rafael J. Wysocki <[EMAIL PROTECTED]>
> >
> > Looks ok to me.
> >
> > > +#ifdef CONFIG_PM
> > > +
> > > +/*
> > > + * Suspend the interface.
> > > + */
> > > +
> > > +static int uli526x_suspend(struct pci_dev *pdev, pm_message_t state)
> > > +{
> > > + struct net_device *dev = pci_get_drvdata(pdev);
> > > +
> > > + ULI526X_DBUG(0, "uli526x_suspend", 0);
> > > +
> > > + if (dev && netdev_priv(dev)) {
> > > + if (netif_running(dev)) {
> > > + netif_device_detach(dev);
> > > + uli526x_down(dev);
> > > + }
> > > + pci_save_state(pdev);
> > > + pci_enable_wake(pdev, pci_choose_state(pdev, state), 0);
> > > + pci_disable_device(pdev);
> > > + pci_set_power_state(pdev, pci_choose_state(pdev, state));
> > > + }
> > > + return 0;
> > > +}
> > > +
> > > +/*
> > > + * Resume the interface.
> > > + */
> > > +
> > > +static int uli526x_resume(struct pci_dev *pdev)
> > > +{
> > > + struct net_device *dev = pci_get_drvdata(pdev);
> > > + struct uli526x_board_info *db = netdev_priv(dev);
> > > + int err;
> > > +
> > > + ULI526X_DBUG(0, "uli526x_resume", 0);
> > > +
> > > + if (dev && db) {
> > > + pci_set_power_state(pdev, PCI_D0);
> > > + err = pci_enable_device(pdev);
> > > + if (err) {
> > > + printk(KERN_WARNING "%s: Could not enable device \n",
> > > + dev->name);
> > > + return err;
> > > + }
> > > + pci_restore_state(pdev);
> > > + pci_set_master(pdev);
> > > + if (netif_running(dev)) {
> > > + uli526x_up(dev);
> > > + netif_device_attach(dev);
> > > + }
> > > + }
> > > + return 0;
> > > +}
> > > +
> > #else
> > #define *_resume NULL
> > #define *_suspend NULL
>
> > > +#endif /* CONFIG_PM */
> >
> > > @@ -1689,6 +1775,10 @@ static struct pci_driver uli526x_driver
> > > .id_table = uli526x_pci_tbl,
> > > .probe = uli526x_init_one,
> > > .remove = __devexit_p(uli526x_remove_one),
> > > +#ifdef CONFIG_PM
> > > + .suspend = uli526x_suspend,
> > > + .resume = uli526x_resume,
> > > +#endif
> >
> > ...so that this ifdef is not needed?
>
> OK, why not.Because it's uglier and #ifdef is the established way of doing things? Regards, Nigel
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