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[PATCH] e1000: Added variable to handle return values for pci_enable_* functions 

This was to fix compilation warnings.  Also added log messages when pci_enable_* functions return with an error.

Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: John Ronciak <john.ronciak@intel.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
This commit is contained in:
Jeff Kirsher 2006-01-12 16:51:28 -08:00 committed by Jeff Garzik
parent fb3d47d4c4
commit 240b1710f5
1 changed files with 33 additions and 11 deletions
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44
drivers/net/e1000/e1000_main.c
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@ -4382,6 +4382,7 @@ e1000_suspend(struct pci_dev *pdev, pm_message_t state)
struct e1000_adapter *adapter = netdev_priv(netdev);
uint32_t ctrl, ctrl_ext, rctl, manc, status;
uint32_t wufc = adapter->wol;
int retval = 0;
netif_device_detach(netdev);
@ -4427,13 +4428,21 @@ e1000_suspend(struct pci_dev *pdev, pm_message_t state)
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, PCI_D3hot, 1);
if (retval)
DPRINTK(PROBE, ERR, "Error enabling D3 wake\n");
retval = pci_enable_wake(pdev, PCI_D3cold, 1);
if (retval)
DPRINTK(PROBE, ERR, "Error enabling 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, PCI_D3hot, 0);
if (retval)
DPRINTK(PROBE, ERR, "Error enabling D3 wake\n");
retval = pci_enable_wake(pdev, PCI_D3cold, 0); /* 4 == D3 cold */
if (retval)
DPRINTK(PROBE, ERR, "Error enabling D3 cold wake\n");
}
pci_save_state(pdev);
@ -4444,8 +4453,12 @@ e1000_suspend(struct pci_dev *pdev, pm_message_t state)
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, PCI_D3hot, 1);
if (retval)
DPRINTK(PROBE, ERR, "Error enabling D3 wake\n");
retval = pci_enable_wake(pdev, PCI_D3cold, 1);
if (retval)
DPRINTK(PROBE, ERR, "Error enabling D3 cold wake\n");
}
}
@ -4454,7 +4467,10 @@ e1000_suspend(struct pci_dev *pdev, pm_message_t state)
e1000_release_hw_control(adapter);
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;
}
@ -4464,15 +4480,21 @@ e1000_resume(struct pci_dev *pdev)
{
struct net_device *netdev = pci_get_drvdata(pdev);
struct e1000_adapter *adapter = netdev_priv(netdev);
int retval;
uint32_t manc, ret_val;
pci_set_power_state(pdev, PCI_D0);
pci_restore_state(pdev);
retval = pci_set_power_state(pdev, PCI_D0);
if (retval)
DPRINTK(PROBE, ERR, "Error in setting power state\n");
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 enabling D3 wake\n");
retval = pci_enable_wake(pdev, PCI_D3cold, 0);
if (retval)
DPRINTK(PROBE, ERR, "Error enabling D3 cold wake\n");
e1000_reset(adapter);
E1000_WRITE_REG(&adapter->hw, WUS, ~0);