PATCH (RESENT) swsuspend for ne2k-pci cards

["Éric Brunet" <Eric.Brunet@lps.ens.fr>]

Hi,

This is a resent of my patch to add suspend/resume support to ne2k-pci
network adapters.

* The patch was tested on a RealTek ne2k clone and works nicely,
* It was reviewed and largely improved by Arkadiusz Miskiewicz
* It was approved of by Pavel Machek, the software suspend maintainer.

It would be nice if this patch could go into the kernel.

Thank you,

	Éric Brunet

--- linux-old/drivers/net/ne2k-pci.c	2004-08-07 15:54:24.000000000 +0200
+++ linux-2.6.8-rc1/drivers/net/ne2k-pci.c	2004-08-21 12:24:27.000000000 +0200
@@ -653,12 +653,43 @@
 	pci_set_drvdata(pdev, NULL);
 }
 
+#ifdef CONFIG_PM
+static int ne2k_pci_suspend (struct pci_dev *pdev, u32 state)
+{
+	struct net_device *dev = pci_get_drvdata (pdev);
+
+	netif_device_detach(dev);
+	pci_save_state(pdev, pdev->saved_config_space);
+	pci_set_power_state(pdev, state);
+
+	return 0;
+}
+
+static int ne2k_pci_resume (struct pci_dev *pdev)
+{
+	struct net_device *dev = pci_get_drvdata (pdev);
+
+	pci_set_power_state(pdev, 0);
+	pci_restore_state(pdev, pdev->saved_config_space);
+	NS8390_init(dev, 1);
+	netif_device_attach(dev);
+
+	return 0;
+}
+
+#endif /* CONFIG_PM */
+
 
 static struct pci_driver ne2k_driver = {
 	.name		= DRV_NAME,
 	.probe		= ne2k_pci_init_one,
 	.remove		= __devexit_p(ne2k_pci_remove_one),
 	.id_table	= ne2k_pci_tbl,
+#ifdef CONFIG_PM
+	.suspend	= ne2k_pci_suspend,
+	.resume		= ne2k_pci_resume,
+#endif /* CONFIG_PM */
+
 };