diff options
| -rw-r--r-- | drivers/net/tulip/uli526x.c | 108 |
1 files changed, 102 insertions, 6 deletions
diff --git a/drivers/net/tulip/uli526x.c b/drivers/net/tulip/uli526x.c index ca2548eb7d6..e26ce44561c 100644 --- a/drivers/net/tulip/uli526x.c +++ b/drivers/net/tulip/uli526x.c @@ -1110,19 +1110,15 @@ static void uli526x_timer(unsigned long data) /* - * Dynamic reset the ULI526X board * Stop ULI526X board * Free Tx/Rx allocated memory - * Reset ULI526X board - * Re-initialize ULI526X board + * Init system variable */ -static void uli526x_dynamic_reset(struct net_device *dev) +static void uli526x_reset_prepare(struct net_device *dev) { struct uli526x_board_info *db = netdev_priv(dev); - ULI526X_DBUG(0, "uli526x_dynamic_reset()", 0); - /* Sopt MAC controller */ db->cr6_data &= ~(CR6_RXSC | CR6_TXSC); /* Disable Tx/Rx */ update_cr6(db->cr6_data, dev->base_addr); @@ -1141,6 +1137,22 @@ static void uli526x_dynamic_reset(struct net_device *dev) db->link_failed = 1; db->init=1; db->wait_reset = 0; +} + + +/* + * Dynamic reset the ULI526X board + * Stop ULI526X board + * Free Tx/Rx allocated memory + * Reset ULI526X board + * Re-initialize ULI526X board + */ + +static void uli526x_dynamic_reset(struct net_device *dev) +{ + ULI526X_DBUG(0, "uli526x_dynamic_reset()", 0); + + uli526x_reset_prepare(dev); /* Re-initialize ULI526X board */ uli526x_init(dev); @@ -1150,6 +1162,88 @@ static void uli526x_dynamic_reset(struct net_device *dev) } +#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); + pci_power_t power_state; + int err; + + ULI526X_DBUG(0, "uli526x_suspend", 0); + + if (!netdev_priv(dev)) + return 0; + + pci_save_state(pdev); + + if (!netif_running(dev)) + return 0; + + netif_device_detach(dev); + uli526x_reset_prepare(dev); + + power_state = pci_choose_state(pdev, state); + pci_enable_wake(pdev, power_state, 0); + err = pci_set_power_state(pdev, power_state); + if (err) { + netif_device_attach(dev); + /* Re-initialize ULI526X board */ + uli526x_init(dev); + /* Restart upper layer interface */ + netif_wake_queue(dev); + } + + return err; +} + +/* + * Resume the interface. + */ + +static int uli526x_resume(struct pci_dev *pdev) +{ + struct net_device *dev = pci_get_drvdata(pdev); + int err; + + ULI526X_DBUG(0, "uli526x_resume", 0); + + if (!netdev_priv(dev)) + return 0; + + pci_restore_state(pdev); + + if (!netif_running(dev)) + return 0; + + err = pci_set_power_state(pdev, PCI_D0); + if (err) { + printk(KERN_WARNING "%s: Could not put device into D0\n", + dev->name); + return err; + } + + netif_device_attach(dev); + /* Re-initialize ULI526X board */ + uli526x_init(dev); + /* Restart upper layer interface */ + netif_wake_queue(dev); + + return 0; +} + +#else /* !CONFIG_PM */ + +#define uli526x_suspend NULL +#define uli526x_resume NULL + +#endif /* !CONFIG_PM */ + + /* * free all allocated rx buffer */ @@ -1689,6 +1783,8 @@ static struct pci_driver uli526x_driver = { .id_table = uli526x_pci_tbl, .probe = uli526x_init_one, .remove = __devexit_p(uli526x_remove_one), + .suspend = uli526x_suspend, + .resume = uli526x_resume, }; MODULE_AUTHOR("Peer Chen, peer.chen@uli.com.tw"); |