1 files changed, 83 insertions, 2 deletions

diff --git a/drivers/net/sk98lin/skge.c b/drivers/net/sk98lin/skge.c
index 1ccb2989001c..6ee4771addf1 100644
--- a/drivers/net/sk98lin/skge.c
+++ b/drivers/net/sk98lin/skge.c
@@ -112,6 +112,7 @@
 #include        <linux/moduleparam.h>
 #include        <linux/init.h>
 #include        <linux/proc_fs.h>
+#include        <linux/dma-mapping.h>
 
 #include        "h/skdrv1st.h"
 #include        "h/skdrv2nd.h"
@@ -4912,8 +4913,8 @@ static int __devinit skge_probe_one(struct pci_dev *pdev,
                 goto out;
  
         /* Configure DMA attributes. */
-        if (pci_set_dma_mask(pdev, (u64) 0xffffffffffffffffULL) &&
-            pci_set_dma_mask(pdev, (u64) 0xffffffff))
+        if (pci_set_dma_mask(pdev, DMA_64BIT_MASK) &&
+            pci_set_dma_mask(pdev, DMA_32BIT_MASK))
                 goto out_disable_device;
 
 
@@ -5132,6 +5133,84 @@ 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 (netif_running(dev)) {
+                netif_carrier_off(dev);
+                DoPrintInterfaceChange = SK_FALSE;
+                SkDrvDeInitAdapter(pAC, 0);  /* performs SkGeClose */
+                netif_device_detach(dev);
+        }
+        if (otherdev != dev) {
+                if (netif_running(otherdev)) {
+                        netif_carrier_off(otherdev);
+                        DoPrintInterfaceChange = SK_FALSE;
+                        SkDrvDeInitAdapter(pAC, 1);  /* performs SkGeClose */
+                        netif_device_detach(otherdev);
+                }
+        }
+
+        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;
+        struct net_device *otherdev = pAC->dev[1];
+        int ret;
+
+        pci_set_power_state(pdev, PCI_D0);
+        pci_restore_state(pdev);
+        pci_enable_device(pdev);
+        pci_set_master(pdev);
+        if (pAC->GIni.GIMacsFound == 2)
+                ret = request_irq(dev->irq, SkGeIsr, SA_SHIRQ, pAC->Name, dev);
+        else
+                ret = request_irq(dev->irq, SkGeIsrOnePort, SA_SHIRQ, pAC->Name, dev);
+        if (ret) {
+                printk(KERN_WARNING "sk98lin: unable to acquire IRQ %d\n", dev->irq);
+                pAC->AllocFlag &= ~SK_ALLOC_IRQ;
+                dev->irq = 0;
+                pci_disable_device(pdev);
+                return -EBUSY;
+        }
+
+        netif_device_attach(dev);
+        if (netif_running(dev)) {
+                DoPrintInterfaceChange = SK_FALSE;
+                SkDrvInitAdapter(pAC, 0);    /* first device  */
+        }
+        if (otherdev != dev) {
+                netif_device_attach(otherdev);
+                if (netif_running(otherdev)) {
+                        DoPrintInterfaceChange = SK_FALSE;
+                        SkDrvInitAdapter(pAC, 1);    /* second device  */
+                }
+        }
+
+        return 0;
+}
+#else
+#define skge_suspend NULL
+#define skge_resume NULL
+#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 },
@@ -5157,6 +5236,8 @@ 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)