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e1000e: store EEPROM version number to prevent unnecessary NVM reads

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Rather than reading the NVM to get the EEPROM version number everytime the
ethool get_drvinfo function is called, read it once during probe and save
it for future reference.

Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Bruce Allan
2008-11-21 17:00:22 -08:00
committed by David S. Miller
parent 0285c8dcae
commit 8452759060
3 changed files with 7 additions and 5 deletions
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3
drivers/net/e1000e/netdev.c
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@@ -5025,6 +5025,9 @@ static int __devinit e1000_probe(struct pci_dev *pdev,
adapter->wol = adapter->eeprom_wol;
device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
/* save off EEPROM version number */
e1000_read_nvm(&adapter->hw, 5, 1, &adapter->eeprom_vers);
/* reset the hardware with the new settings */
e1000e_reset(adapter);