FRV: Don't make smp_{r, w, }mb() interpolate MEMBAR when CONFIG_SMP=n [try #2]

[linux-2.6-omap-h63xx.git] / drivers / net / e100.c

diff --git a/drivers/net/e100.c b/drivers/net/e100.c
index 51cf577035bed0c466a45a4470102c3db56ef6db..2d139ec7977768e78112dd52513dcae57d5b5698 100644 (file)
--- a/drivers/net/e100.c
+++ b/drivers/net/e100.c
@@ -94,7 +94,7 @@
  *     enabled.  82557 pads with 7Eh, while the later controllers pad
  *     with 00h.
  *
- *     IV.  Recieve
+ *     IV.  Receive
  *
  *     The Receive Frame Area (RFA) comprises a ring of Receive Frame
  *     Descriptors (RFD) + data buffer, thus forming the simplified mode
@@ -120,7 +120,7 @@
  *     and Rx indication and re-allocation happen in the same context,
  *     therefore no locking is required.  A software-generated interrupt
  *     is generated from the watchdog to recover from a failed allocation
- *     senario where all Rx resources have been indicated and none re-
+ *     scenario where all Rx resources have been indicated and none re-
  *     placed.
  *
  *     V.   Miscellaneous
@@ -954,13 +954,13 @@ static void e100_get_defaults(struct nic *nic)
        /* Quadwords to DMA into FIFO before starting frame transmit */
        nic->tx_threshold = 0xE0;
 
-       /* no interrupt for every tx completion, delay = 256us if not 557*/
+       /* no interrupt for every tx completion, delay = 256us if not 557 */
        nic->tx_command = cpu_to_le16(cb_tx | cb_tx_sf |
                ((nic->mac >= mac_82558_D101_A4) ? cb_cid : cb_i));
 
        /* Template for a freshly allocated RFD */
        nic->blank_rfd.command = 0;
-       nic->blank_rfd.rbd = 0xFFFFFFFF;
+       nic->blank_rfd.rbd = cpu_to_le32(0xFFFFFFFF);
        nic->blank_rfd.size = cpu_to_le16(VLAN_ETH_FRAME_LEN);
 
        /* MII setup */
@@ -1497,7 +1497,7 @@ static void e100_update_stats(struct nic *nic)
                &s->complete;
 
        /* Device's stats reporting may take several microseconds to
-        * complete, so where always waiting for results of the
+        * complete, so we're always waiting for results of the
         * previous command. */
 
        if(*complete == cpu_to_le32(cuc_dump_reset_complete)) {
@@ -1958,7 +1958,7 @@ static void e100_rx_clean(struct nic *nic, unsigned int *work_done,
 
        if(restart_required) {
                // ack the rnr?
-               writeb(stat_ack_rnr, &nic->csr->scb.stat_ack);
+               iowrite8(stat_ack_rnr, &nic->csr->scb.stat_ack);
                e100_start_receiver(nic, nic->rx_to_clean);
                if(work_done)
                        (*work_done)++;
@@ -2774,7 +2774,7 @@ static void __devexit e100_remove(struct pci_dev *pdev)
                struct nic *nic = netdev_priv(netdev);
                unregister_netdev(netdev);
                e100_free(nic);
-               iounmap(nic->csr);
+               pci_iounmap(pdev, nic->csr);
                free_netdev(netdev);
                pci_release_regions(pdev);
                pci_disable_device(pdev);
@@ -2782,16 +2782,13 @@ static void __devexit e100_remove(struct pci_dev *pdev)
        }
 }
 
-#ifdef CONFIG_PM
 static int e100_suspend(struct pci_dev *pdev, pm_message_t state)
 {
        struct net_device *netdev = pci_get_drvdata(pdev);
        struct nic *nic = netdev_priv(netdev);
 
        if (netif_running(netdev))
-               napi_disable(&nic->napi);
-       del_timer_sync(&nic->watchdog);
-       netif_carrier_off(nic->netdev);
+               e100_down(nic);
        netif_device_detach(netdev);
 
        pci_save_state(pdev);
@@ -2804,14 +2801,13 @@ static int e100_suspend(struct pci_dev *pdev, pm_message_t state)
                pci_enable_wake(pdev, PCI_D3cold, 0);
        }
 
-       free_irq(pdev->irq, netdev);
-
        pci_disable_device(pdev);
        pci_set_power_state(pdev, PCI_D3hot);
 
        return 0;
 }
 
+#ifdef CONFIG_PM
 static int e100_resume(struct pci_dev *pdev)
 {
        struct net_device *netdev = pci_get_drvdata(pdev);
@@ -2832,43 +2828,24 @@ static int e100_resume(struct pci_dev *pdev)
 
 static void e100_shutdown(struct pci_dev *pdev)
 {
-       struct net_device *netdev = pci_get_drvdata(pdev);
-       struct nic *nic = netdev_priv(netdev);
-
-       if (netif_running(netdev))
-               napi_disable(&nic->napi);
-       del_timer_sync(&nic->watchdog);
-       netif_carrier_off(nic->netdev);
-
-       if ((nic->flags & wol_magic) | e100_asf(nic)) {
-               pci_enable_wake(pdev, PCI_D3hot, 1);
-               pci_enable_wake(pdev, PCI_D3cold, 1);
-       } else {
-               pci_enable_wake(pdev, PCI_D3hot, 0);
-               pci_enable_wake(pdev, PCI_D3cold, 0);
-       }
-
-       free_irq(pdev->irq, netdev);
-
-       pci_disable_device(pdev);
-       pci_set_power_state(pdev, PCI_D3hot);
+       e100_suspend(pdev, PMSG_SUSPEND);
 }
 
 /* ------------------ PCI Error Recovery infrastructure  -------------- */
 /**
  * e100_io_error_detected - called when PCI error is detected.
  * @pdev: Pointer to PCI device
- * @state: The current pci conneection state
+ * @state: The current pci connection state
  */
 static pci_ers_result_t e100_io_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
 {
        struct net_device *netdev = pci_get_drvdata(pdev);
        struct nic *nic = netdev_priv(netdev);
 
-       /* Similar to calling e100_down(), but avoids adpater I/O. */
+       /* Similar to calling e100_down(), but avoids adapter I/O. */
        netdev->stop(netdev);
 
-       /* Detach; put netif into state similar to hotplug unplug. */
+       /* Detach; put netif into a state similar to hotplug unplug. */
        napi_enable(&nic->napi);
        netif_device_detach(netdev);
        pci_disable_device(pdev);