e1000e: remove inapplicable test for ioport

There are currently no devices supported by the e1000e driver which need
ioport resources, remove the test for it and all unnecessary code
associated with it (struct e1000_adapter elements, local variables, etc.)

Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>

drivers/net/e1000e/e1000.h

@@ -284,10 +284,6 @@ struct e1000_adapter {
 	unsigned long led_status;
 
 	unsigned int flags;
-
-	/* for ioport free */
-	int bars;
-	int need_ioport;
 };
 
 struct e1000_info {

drivers/net/e1000e/netdev.c

@@ -3991,10 +3991,7 @@ static int e1000_resume(struct pci_dev *pdev)
 	pci_restore_state(pdev);
 	e1000e_disable_l1aspm(pdev);
 
-	if (adapter->need_ioport)
-		err = pci_enable_device(pdev);
-	else
-		err = pci_enable_device_mem(pdev);
+	err = pci_enable_device_mem(pdev);
 	if (err) {
 		dev_err(&pdev->dev,
 			"Cannot enable PCI device from suspend\n");
@@ -4096,10 +4093,7 @@ static pci_ers_result_t e1000_io_slot_reset(struct pci_dev *pdev)
 	int err;
 
 	e1000e_disable_l1aspm(pdev);
-	if (adapter->need_ioport)
-		err = pci_enable_device(pdev);
-	else
-		err = pci_enable_device_mem(pdev);
+	err = pci_enable_device_mem(pdev);
 	if (err) {
 		dev_err(&pdev->dev,
 			"Cannot re-enable PCI device after reset.\n");
@@ -4196,21 +4190,6 @@ static void e1000_eeprom_checks(struct e1000_adapter *adapter)
 	}
 }
 
-/**
- * e1000e_is_need_ioport - determine if an adapter needs ioport resources or not
- * @pdev: PCI device information struct
- *
- * Returns true if an adapters needs ioport resources
- **/
-static int e1000e_is_need_ioport(struct pci_dev *pdev)
-{
-	switch (pdev->device) {
-	/* Currently there are no adapters that need ioport resources */
-	default:
-		return false;
-	}
-}
-
 /**
  * e1000_probe - Device Initialization Routine
  * @pdev: PCI device information struct
@@ -4236,19 +4215,10 @@ static int __devinit e1000_probe(struct pci_dev *pdev,
 	int i, err, pci_using_dac;
 	u16 eeprom_data = 0;
 	u16 eeprom_apme_mask = E1000_EEPROM_APME;
-	int bars, need_ioport;
 
 	e1000e_disable_l1aspm(pdev);
 
-	/* do not allocate ioport bars when not needed */
-	need_ioport = e1000e_is_need_ioport(pdev);
-	if (need_ioport) {
-		bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
-		err = pci_enable_device(pdev);
-	} else {
-		bars = pci_select_bars(pdev, IORESOURCE_MEM);
-		err = pci_enable_device_mem(pdev);
-	}
+	err = pci_enable_device_mem(pdev);
 	if (err)
 		return err;
 
@@ -4271,7 +4241,9 @@ static int __devinit e1000_probe(struct pci_dev *pdev,
 		}
 	}
 
-	err = pci_request_selected_regions(pdev, bars, e1000e_driver_name);
+	err = pci_request_selected_regions(pdev,
+	                                  pci_select_bars(pdev, IORESOURCE_MEM),
+	                                  e1000e_driver_name);
 	if (err)
 		goto err_pci_reg;
 
@@ -4296,8 +4268,6 @@ static int __devinit e1000_probe(struct pci_dev *pdev,
 	adapter->hw.adapter = adapter;
 	adapter->hw.mac.type = ei->mac;
 	adapter->msg_enable = (1 << NETIF_MSG_DRV | NETIF_MSG_PROBE) - 1;
-	adapter->bars = bars;
-	adapter->need_ioport = need_ioport;
 
 	mmio_start = pci_resource_start(pdev, 0);
 	mmio_len = pci_resource_len(pdev, 0);
@@ -4536,7 +4506,8 @@ static int __devinit e1000_probe(struct pci_dev *pdev,
 err_ioremap:
 	free_netdev(netdev);
 err_alloc_etherdev:
-	pci_release_selected_regions(pdev, bars);
+	pci_release_selected_regions(pdev,
+	                             pci_select_bars(pdev, IORESOURCE_MEM));
 err_pci_reg:
 err_dma:
 	pci_disable_device(pdev);
@@ -4584,7 +4555,8 @@ static void __devexit e1000_remove(struct pci_dev *pdev)
 	iounmap(adapter->hw.hw_addr);
 	if (adapter->hw.flash_address)
 		iounmap(adapter->hw.flash_address);
-	pci_release_selected_regions(pdev, adapter->bars);
+	pci_release_selected_regions(pdev,
+	                             pci_select_bars(pdev, IORESOURCE_MEM));
 
 	free_netdev(netdev);