e1000 driver update

Signed-off-by: Jeff Kirsher <[EMAIL PROTECTED]>
Signed-off-by: John Ronciak <[EMAIL PROTECTED]>
Signed-off-by: Jesse Brandeburg <[EMAIL PROTECTED]>


5. Fix compilation warnings
- Handle return values from functions

diff -up linux-2.6/drivers/net/e1000/e1000_main.c 
linux-2.6.new/drivers/net/e1000/e1000_main.c
--- linux-2.6/drivers/net/e1000/e1000_main.c    2005-11-14 16:20:34.000000000 
-0800
+++ linux-2.6.new/drivers/net/e1000/e1000_main.c        2005-11-04 
01:23:40.000000000 -0800
@@ -4374,6 +4374,7 @@ e1000_set_spd_dplx(struct e1000_adapter 
        struct e1000_adapter *adapter = netdev_priv(netdev);
        uint32_t ctrl, ctrl_ext, rctl, manc, status, swsm;
        uint32_t wufc = adapter->wol;
+       int retval;
 
        netif_device_detach(netdev);
 
@@ -4419,13 +4419,21 @@ e1000_suspend(struct pci_dev *pdev, pm_m
 
                E1000_WRITE_REG(&adapter->hw, WUC, E1000_WUC_PME_EN);
                E1000_WRITE_REG(&adapter->hw, WUFC, wufc);
-               pci_enable_wake(pdev, 3, 1);
-               pci_enable_wake(pdev, 4, 1); /* 4 == D3 cold */
+               retval = pci_enable_wake(pdev, 3, 1);
+               if (retval)
+                       DPRINTK(PROBE, ERR, "Error setting enable D3 wake\n");
+               retval = pci_enable_wake(pdev, 4, 1); /* 4 == D3 cold */
+               if (retval)
+                       DPRINTK(PROBE, ERR, "Error setting enable D3 cold 
wake\n");
        } else {
                E1000_WRITE_REG(&adapter->hw, WUC, 0);
                E1000_WRITE_REG(&adapter->hw, WUFC, 0);
-               pci_enable_wake(pdev, 3, 0);
-               pci_enable_wake(pdev, 4, 0); /* 4 == D3 cold */
+               retval = pci_enable_wake(pdev, 3, 0);
+               if (retval)
+                       DPRINTK(PROBE, ERR, "Error setting enable D3 wake\n");
+               retval = pci_enable_wake(pdev, 4, 0); /* 4 == D3 cold */
+               if (retval)
+                       DPRINTK(PROBE, ERR, "Error setting enable D3 cold 
wake\n");
        }
 
        pci_save_state(pdev);
@@ -4436,8 +4445,12 @@ e1000_suspend(struct pci_dev *pdev, pm_m
                if(manc & E1000_MANC_SMBUS_EN) {
                        manc |= E1000_MANC_ARP_EN;
                        E1000_WRITE_REG(&adapter->hw, MANC, manc);
-                       pci_enable_wake(pdev, 3, 1);
-                       pci_enable_wake(pdev, 4, 1); /* 4 == D3 cold */
+                       retval = pci_enable_wake(pdev, 3, 1);
+                       if (retval)
+                               DPRINTK(PROBE, ERR, "Error setting enable D3 
wake\n");
+                       retval = pci_enable_wake(pdev, 4, 1); /* 4 == D3 cold */
+                       if (retval)
+                               DPRINTK(PROBE, ERR, "Error setting enable D3 
cold wake\n");
                }
        }
 
@@ -4463,7 +4409,10 @@ e1000_suspend(struct pci_dev *pdev, pm_m
        }
 
        pci_disable_device(pdev);
-       pci_set_power_state(pdev, pci_choose_state(pdev, state));
+
+       retval = pci_set_power_state(pdev, pci_choose_state(pdev, state));
+       if (retval)
+               DPRINTK(PROBE, ERR, "Error in setting power state\n");
 
        return 0;
 }
@@ -4473,16 +4409,23 @@ 
 {
        struct net_device *netdev = pci_get_drvdata(pdev);
        struct e1000_adapter *adapter = netdev_priv(netdev);
+       int retval;
        uint32_t manc, ret_val, swsm;
        uint32_t ctrl_ext;
 
-       pci_set_power_state(pdev, PCI_D0);
+       retval = pci_set_power_state(pdev, PCI_D0);
+       if (retval)
+               DPRINTK(PROBE, ERR, "Error in setting power state\n");
        pci_restore_state(pdev);
        ret_val = pci_enable_device(pdev);
        pci_set_master(pdev);
 
-       pci_enable_wake(pdev, PCI_D3hot, 0);
-       pci_enable_wake(pdev, PCI_D3cold, 0);
+       retval = pci_enable_wake(pdev, PCI_D3hot, 0);
+       if (retval)
+               DPRINTK(PROBE, ERR, "Error setting enable D3 wake\n");
+       retval = pci_enable_wake(pdev, PCI_D3cold, 0); /* 4 == D3 cold */
+       if (retval)
+               DPRINTK(PROBE, ERR, "Error setting enable D3 cold wake\n");
 
        e1000_reset(adapter);
        E1000_WRITE_REG(&adapter->hw, WUS, ~0);

Cheers,
Jeff
diff -up linux-2.6/drivers/net/e1000/e1000_main.c 
linux-2.6.new/drivers/net/e1000/e1000_main.c
--- linux-2.6/drivers/net/e1000/e1000_main.c    2005-11-14 16:20:34.000000000 
-0800
+++ linux-2.6.new/drivers/net/e1000/e1000_main.c        2005-11-04 
01:23:40.000000000 -0800
@@ -4374,6 +4374,7 @@ e1000_set_spd_dplx(struct e1000_adapter 
        struct e1000_adapter *adapter = netdev_priv(netdev);
        uint32_t ctrl, ctrl_ext, rctl, manc, status, swsm;
        uint32_t wufc = adapter->wol;
+       int retval;
 
        netif_device_detach(netdev);
 
@@ -4419,13 +4419,21 @@ e1000_suspend(struct pci_dev *pdev, pm_m
 
                E1000_WRITE_REG(&adapter->hw, WUC, E1000_WUC_PME_EN);
                E1000_WRITE_REG(&adapter->hw, WUFC, wufc);
-               pci_enable_wake(pdev, 3, 1);
-               pci_enable_wake(pdev, 4, 1); /* 4 == D3 cold */
+               retval = pci_enable_wake(pdev, 3, 1);
+               if (retval)
+                       DPRINTK(PROBE, ERR, "Error setting enable D3 wake\n");
+               retval = pci_enable_wake(pdev, 4, 1); /* 4 == D3 cold */
+               if (retval)
+                       DPRINTK(PROBE, ERR, "Error setting enable D3 cold 
wake\n");
        } else {
                E1000_WRITE_REG(&adapter->hw, WUC, 0);
                E1000_WRITE_REG(&adapter->hw, WUFC, 0);
-               pci_enable_wake(pdev, 3, 0);
-               pci_enable_wake(pdev, 4, 0); /* 4 == D3 cold */
+               retval = pci_enable_wake(pdev, 3, 0);
+               if (retval)
+                       DPRINTK(PROBE, ERR, "Error setting enable D3 wake\n");
+               retval = pci_enable_wake(pdev, 4, 0); /* 4 == D3 cold */
+               if (retval)
+                       DPRINTK(PROBE, ERR, "Error setting enable D3 cold 
wake\n");
        }
 
        pci_save_state(pdev);
@@ -4436,8 +4445,12 @@ e1000_suspend(struct pci_dev *pdev, pm_m
                if(manc & E1000_MANC_SMBUS_EN) {
                        manc |= E1000_MANC_ARP_EN;
                        E1000_WRITE_REG(&adapter->hw, MANC, manc);
-                       pci_enable_wake(pdev, 3, 1);
-                       pci_enable_wake(pdev, 4, 1); /* 4 == D3 cold */
+                       retval = pci_enable_wake(pdev, 3, 1);
+                       if (retval)
+                               DPRINTK(PROBE, ERR, "Error setting enable D3 
wake\n");
+                       retval = pci_enable_wake(pdev, 4, 1); /* 4 == D3 cold */
+                       if (retval)
+                               DPRINTK(PROBE, ERR, "Error setting enable D3 
cold wake\n");
                }
        }
 
@@ -4463,7 +4409,10 @@ e1000_suspend(struct pci_dev *pdev, pm_m
        }
 
        pci_disable_device(pdev);
-       pci_set_power_state(pdev, pci_choose_state(pdev, state));
+
+       retval = pci_set_power_state(pdev, pci_choose_state(pdev, state));
+       if (retval)
+               DPRINTK(PROBE, ERR, "Error in setting power state\n");
 
        return 0;
 }
@@ -4473,16 +4409,23 @@ 
 {
        struct net_device *netdev = pci_get_drvdata(pdev);
        struct e1000_adapter *adapter = netdev_priv(netdev);
+       int retval;
        uint32_t manc, ret_val, swsm;
        uint32_t ctrl_ext;
 
-       pci_set_power_state(pdev, PCI_D0);
+       retval = pci_set_power_state(pdev, PCI_D0);
+       if (retval)
+               DPRINTK(PROBE, ERR, "Error in setting power state\n");
        pci_restore_state(pdev);
        ret_val = pci_enable_device(pdev);
        pci_set_master(pdev);
 
-       pci_enable_wake(pdev, PCI_D3hot, 0);
-       pci_enable_wake(pdev, PCI_D3cold, 0);
+       retval = pci_enable_wake(pdev, PCI_D3hot, 0);
+       if (retval)
+               DPRINTK(PROBE, ERR, "Error setting enable D3 wake\n");
+       retval = pci_enable_wake(pdev, PCI_D3cold, 0); /* 4 == D3 cold */
+       if (retval)
+               DPRINTK(PROBE, ERR, "Error setting enable D3 cold wake\n");
 
        e1000_reset(adapter);
        E1000_WRITE_REG(&adapter->hw, WUS, ~0);

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