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authorBruce Allan <bruce.w.allan@intel.com>2008-11-22 02:00:22 +0100
committerDavid S. Miller <davem@davemloft.net>2008-11-22 02:00:22 +0100
commit8452759060ad46fc071a7d5bbf1647df5ea2ceab (patch)
treed6dc357a82e32e1c021773dfe9163e053fbdd711 /drivers/net/e1000e/netdev.c
parente1000e: cosmetic newline in debug message (diff)
downloadlinux-8452759060ad46fc071a7d5bbf1647df5ea2ceab.tar.xz
linux-8452759060ad46fc071a7d5bbf1647df5ea2ceab.zip
e1000e: store EEPROM version number to prevent unnecessary NVM reads
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>
Diffstat (limited to 'drivers/net/e1000e/netdev.c')
-rw-r--r--drivers/net/e1000e/netdev.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c
index f10252b055d4..b3f0b4797016 100644
--- a/drivers/net/e1000e/netdev.c
+++ b/drivers/net/e1000e/netdev.c
@@ -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);