bnx2: Use SIMPLE_DEV_PM_OPS.

This simplifies the suspend/resume code.
Signed-off-by: NMichael Chan <mchan@broadcom.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/ethernet/broadcom/bnx2.c

@@ -8602,46 +8602,52 @@ bnx2_remove_one(struct pci_dev *pdev)
 }
 
 static int
-bnx2_suspend(struct pci_dev *pdev, pm_message_t state)
+bnx2_suspend(struct device *device)
 {
+	struct pci_dev *pdev = to_pci_dev(device);
 	struct net_device *dev = pci_get_drvdata(pdev);
 	struct bnx2 *bp = netdev_priv(dev);
 
-	/* PCI register 4 needs to be saved whether netif_running() or not.
-	 * MSI address and data need to be saved if using MSI and
-	 * netif_running().
-	 */
-	pci_save_state(pdev);
-	if (!netif_running(dev))
-		return 0;
-
+	if (netif_running(dev)) {
 		cancel_work_sync(&bp->reset_task);
 		bnx2_netif_stop(bp, true);
 		netif_device_detach(dev);
 		del_timer_sync(&bp->timer);
 		bnx2_shutdown_chip(bp);
+		__bnx2_free_irq(bp);
 		bnx2_free_skbs(bp);
-	bnx2_set_power_state(bp, pci_choose_state(pdev, state));
+	}
+	bnx2_setup_wol(bp);
 	return 0;
 }
 
 static int
-bnx2_resume(struct pci_dev *pdev)
+bnx2_resume(struct device *device)
 {
+	struct pci_dev *pdev = to_pci_dev(device);
 	struct net_device *dev = pci_get_drvdata(pdev);
 	struct bnx2 *bp = netdev_priv(dev);
 
-	pci_restore_state(pdev);
 	if (!netif_running(dev))
 		return 0;
 
 	bnx2_set_power_state(bp, PCI_D0);
 	netif_device_attach(dev);
+	bnx2_request_irq(bp);
 	bnx2_init_nic(bp, 1);
 	bnx2_netif_start(bp, true);
 	return 0;
 }
 
+#ifdef CONFIG_PM_SLEEP
+static SIMPLE_DEV_PM_OPS(bnx2_pm_ops, bnx2_suspend, bnx2_resume);
+#define BNX2_PM_OPS (&bnx2_pm_ops)
+
+#else
+
+#define BNX2_PM_OPS NULL
+
+#endif /* CONFIG_PM_SLEEP */
 /**
  * bnx2_io_error_detected - called when PCI error is detected
  * @pdev: Pointer to PCI device
@@ -8757,8 +8763,7 @@ static struct pci_driver bnx2_pci_driver = {
 	.id_table	= bnx2_pci_tbl,
 	.probe		= bnx2_init_one,
 	.remove		= bnx2_remove_one,
-	.suspend	= bnx2_suspend,
-	.resume		= bnx2_resume,
+	.driver.pm	= BNX2_PM_OPS,
 	.err_handler	= &bnx2_err_handler,
 };