diff options
| -rw-r--r-- | drivers/net/tlan.c | 88 |
1 files changed, 72 insertions, 16 deletions
diff --git a/drivers/net/tlan.c b/drivers/net/tlan.c index 57380b1b3b60..0678e7e71f19 100644 --- a/drivers/net/tlan.c +++ b/drivers/net/tlan.c @@ -168,6 +168,7 @@ * * v1.15a Dec 15 2008 - Remove bbuf support, it doesn't work anyway. * v1.16 Jan 6 2011 - Make checkpatch.pl happy. + * v1.17 Jan 6 2011 - Add suspend/resume support. * ******************************************************************************/ @@ -219,7 +220,7 @@ module_param(debug, int, 0); MODULE_PARM_DESC(debug, "ThunderLAN debug mask"); static const char tlan_signature[] = "TLAN"; -static const char tlan_banner[] = "ThunderLAN driver v1.16\n"; +static const char tlan_banner[] = "ThunderLAN driver v1.17\n"; static int tlan_have_pci; static int tlan_have_eisa; @@ -462,11 +463,79 @@ static void __devexit tlan_remove_one(struct pci_dev *pdev) pci_set_drvdata(pdev, NULL); } +static void tlan_start(struct net_device *dev) +{ + tlan_reset_lists(dev); + /* NOTE: It might not be necessary to read the stats before a + reset if you don't care what the values are. + */ + tlan_read_and_clear_stats(dev, TLAN_IGNORE); + tlan_reset_adapter(dev); + netif_wake_queue(dev); +} + +static void tlan_stop(struct net_device *dev) +{ + struct tlan_priv *priv = netdev_priv(dev); + + tlan_read_and_clear_stats(dev, TLAN_RECORD); + outl(TLAN_HC_AD_RST, dev->base_addr + TLAN_HOST_CMD); + /* Reset and power down phy */ + tlan_reset_adapter(dev); + if (priv->timer.function != NULL) { + del_timer_sync(&priv->timer); + priv->timer.function = NULL; + } +} + +#ifdef CONFIG_PM + +static int tlan_suspend(struct pci_dev *pdev, pm_message_t state) +{ + struct net_device *dev = pci_get_drvdata(pdev); + + if (netif_running(dev)) + tlan_stop(dev); + + netif_device_detach(dev); + pci_save_state(pdev); + pci_disable_device(pdev); + pci_wake_from_d3(pdev, false); + pci_set_power_state(pdev, PCI_D3hot); + + return 0; +} + +static int tlan_resume(struct pci_dev *pdev) +{ + struct net_device *dev = pci_get_drvdata(pdev); + + pci_set_power_state(pdev, PCI_D0); + pci_restore_state(pdev); + pci_enable_wake(pdev, 0, 0); + netif_device_attach(dev); + + if (netif_running(dev)) + tlan_start(dev); + + return 0; +} + +#else /* CONFIG_PM */ + +#define tlan_suspend NULL +#define tlan_resume NULL + +#endif /* CONFIG_PM */ + + static struct pci_driver tlan_driver = { .name = "tlan", .id_table = tlan_pci_tbl, .probe = tlan_init_one, .remove = __devexit_p(tlan_remove_one), + .suspend = tlan_suspend, + .resume = tlan_resume, }; static int __init tlan_probe(void) @@ -965,14 +1034,8 @@ static int tlan_open(struct net_device *dev) } init_timer(&priv->timer); - netif_start_queue(dev); - /* NOTE: It might not be necessary to read the stats before a - reset if you don't care what the values are. - */ - tlan_reset_lists(dev); - tlan_read_and_clear_stats(dev, TLAN_IGNORE); - tlan_reset_adapter(dev); + tlan_start(dev); TLAN_DBG(TLAN_DEBUG_GNRL, "%s: Opened. TLAN Chip Rev: %x\n", dev->name, priv->tlan_rev); @@ -1243,15 +1306,8 @@ static int tlan_close(struct net_device *dev) { struct tlan_priv *priv = netdev_priv(dev); - netif_stop_queue(dev); priv->neg_be_verbose = 0; - - tlan_read_and_clear_stats(dev, TLAN_RECORD); - outl(TLAN_HC_AD_RST, dev->base_addr + TLAN_HOST_CMD); - if (priv->timer.function != NULL) { - del_timer_sync(&priv->timer); - priv->timer.function = NULL; - } + tlan_stop(dev); free_irq(dev->irq, dev); tlan_free_lists(dev); |