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authorStefan Rompf <stefan@loplof.de>2006-01-17 22:52:51 +0100
committerJeff Garzik <jgarzik@pobox.com>2006-01-17 19:19:12 -0500
commitd4fbeabbc9e68c80738fe59135d201c3ed5fe40f (patch)
treedc7a965013ec01a54b3e4b265ade1637e8df4a53 /drivers/net/starfire.c
parent0547993820378ef8140b0470b604737bf1fa6c85 (diff)
downloadlinux-d4fbeabbc9e68c80738fe59135d201c3ed5fe40f.tar.bz2
[PATCH] starfire: Implement suspend/resume
This patch implements suspend and resume methods for the starfire driver. It allows me to put my desktop PC with a starfire dual board into S4. Signed-Off-By: Stefan Rompf <stefan@loplof.de> Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
Diffstat (limited to 'drivers/net/starfire.c')
-rw-r--r--drivers/net/starfire.c36
1 files changed, 36 insertions, 0 deletions
diff --git a/drivers/net/starfire.c b/drivers/net/starfire.c
index d167deda9a53..ed5458c45446 100644
--- a/drivers/net/starfire.c
+++ b/drivers/net/starfire.c
@@ -2084,6 +2084,38 @@ static int netdev_close(struct net_device *dev)
return 0;
}
+#ifdef CONFIG_PM
+static int starfire_suspend(struct pci_dev *pdev, pm_message_t state)
+{
+ struct net_device *dev = pci_get_drvdata(pdev);
+
+ if (netif_running(dev)) {
+ netif_device_detach(dev);
+ netdev_close(dev);
+ }
+
+ pci_save_state(pdev);
+ pci_set_power_state(pdev, pci_choose_state(pdev,state));
+
+ return 0;
+}
+
+static int starfire_resume(struct pci_dev *pdev)
+{
+ struct net_device *dev = pci_get_drvdata(pdev);
+
+ pci_set_power_state(pdev, PCI_D0);
+ pci_restore_state(pdev);
+
+ if (netif_running(dev)) {
+ netdev_open(dev);
+ netif_device_attach(dev);
+ }
+
+ return 0;
+}
+#endif /* CONFIG_PM */
+
static void __devexit starfire_remove_one (struct pci_dev *pdev)
{
@@ -2115,6 +2147,10 @@ static struct pci_driver starfire_driver = {
.name = DRV_NAME,
.probe = starfire_init_one,
.remove = __devexit_p(starfire_remove_one),
+#ifdef CONFIG_PM
+ .suspend = starfire_suspend,
+ .resume = starfire_resume,
+#endif /* CONFIG_PM */
.id_table = starfire_pci_tbl,
};