[ACPI] fix resume issues on Asus L5D

http://bugzilla.kernel.org/show_bug.cgi?id=4416

Signed-off-by: Rafael J. Wysocki <rjwysocki@sisk.pl>
Signed-off-by: Len Brown <len.brown@intel.com>

1 files changed, 63 insertions, 0 deletions

diff --git a/drivers/net/sk98lin/skge.c b/drivers/net/sk98lin/skge.c
index 05b827f79f54..7bfaef9305b2 100644
--- a/drivers/net/sk98lin/skge.c
+++ b/drivers/net/sk98lin/skge.c
@@ -5134,6 +5134,67 @@ static void __devexit skge_remove_one(struct pci_dev *pdev)
         kfree(pAC);
 }
 
+#ifdef CONFIG_PM
+static int skge_suspend(struct pci_dev *pdev, pm_message_t state)
+{
+        struct net_device *dev = pci_get_drvdata(pdev);
+        DEV_NET *pNet = netdev_priv(dev);
+        SK_AC *pAC = pNet->pAC;
+        struct net_device *otherdev = pAC->dev[1];
+
+        if (pNet->Up) {
+                pAC->WasIfUp[0] = SK_TRUE;
+                DoPrintInterfaceChange = SK_FALSE;
+                SkDrvDeInitAdapter(pAC, 0);  /* performs SkGeClose */
+        }
+        if (otherdev != dev) {
+                pNet = netdev_priv(otherdev);
+                if (pNet->Up) {
+                        pAC->WasIfUp[1] = SK_TRUE;
+                        DoPrintInterfaceChange = SK_FALSE;
+                        SkDrvDeInitAdapter(pAC, 1);  /* performs SkGeClose */
+                }
+        }
+
+        pci_save_state(pdev);
+        pci_enable_wake(pdev, pci_choose_state(pdev, state), 0);
+        if (pAC->AllocFlag & SK_ALLOC_IRQ) {
+                free_irq(dev->irq, dev);
+        }
+        pci_disable_device(pdev);
+        pci_set_power_state(pdev, pci_choose_state(pdev, state));
+
+        return 0;
+}
+
+static int skge_resume(struct pci_dev *pdev)
+{
+        struct net_device *dev = pci_get_drvdata(pdev);
+        DEV_NET *pNet = netdev_priv(dev);
+        SK_AC *pAC = pNet->pAC;
+
+        pci_set_power_state(pdev, PCI_D0);
+        pci_restore_state(pdev);
+        pci_enable_device(pdev);
+        pci_set_master(pdev);
+        if (pAC->GIni.GIMacsFound == 2)
+                request_irq(dev->irq, SkGeIsr, SA_SHIRQ, pAC->Name, dev);
+        else
+                request_irq(dev->irq, SkGeIsrOnePort, SA_SHIRQ, pAC->Name, dev);
+
+        if (pAC->WasIfUp[0] == SK_TRUE) {
+                DoPrintInterfaceChange = SK_FALSE;
+                SkDrvInitAdapter(pAC, 0);    /* first device  */
+        }
+        if (pAC->dev[1] != dev && pAC->WasIfUp[1] == SK_TRUE) {
+                DoPrintInterfaceChange = SK_FALSE;
+                SkDrvInitAdapter(pAC, 1);    /* first device  */
+        }
+
+        return 0;
+}
+#endif
+
 static struct pci_device_id skge_pci_tbl[] = {
         { PCI_VENDOR_ID_3COM, 0x1700, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
         { PCI_VENDOR_ID_3COM, 0x80eb, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
@@ -5159,6 +5220,8 @@ static struct pci_driver skge_driver = {
         .id_table       = skge_pci_tbl,
         .probe          = skge_probe_one,
         .remove         = __devexit_p(skge_remove_one),
+        .suspend        = skge_suspend,
+        .resume         = skge_resume,
 };
 
 static int __init skge_init(void)