net: use pci_dev->revision, again

Several more network drivers that read the device's revision ID
from the PCI configuration register were merged after the commit
44c10138fd4bbc4b6d6bff0873c24902f2a9da65 (PCI: Change all drivers
to use pci_device->revision), so it's time to do another pass of
conversion to using the 'revision' field of 'struct pci_dev'...

Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Acked-by: "John W. Linville" <linville@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/e1000e/ethtool.c b/drivers/net/e1000e/ethtool.c
index 65ef9b5..d4e51aa 100644
--- a/drivers/net/e1000e/ethtool.c
+++ b/drivers/net/e1000e/ethtool.c
@@ -433,13 +433,11 @@
 	struct e1000_hw *hw = &adapter->hw;
 	u32 *regs_buff = p;
 	u16 phy_data;
-	u8 revision_id;
 
 	memset(p, 0, E1000_REGS_LEN * sizeof(u32));
 
-	pci_read_config_byte(adapter->pdev, PCI_REVISION_ID, &revision_id);
-
-	regs->version = (1 << 24) | (revision_id << 16) | adapter->pdev->device;
+	regs->version = (1 << 24) | (adapter->pdev->revision << 16) |
+			adapter->pdev->device;
 
 	regs_buff[0]  = er32(CTRL);
 	regs_buff[1]  = er32(STATUS);