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path: root/drivers/net/e1000e/netdev.c
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Diffstat (limited to 'drivers/net/e1000e/netdev.c')
-rw-r--r--drivers/net/e1000e/netdev.c24
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c
index 378335f2b23..589e54246ad 100644
--- a/drivers/net/e1000e/netdev.c
+++ b/drivers/net/e1000e/netdev.c
@@ -4177,6 +4177,28 @@ static void e1000_print_device_info(struct e1000_adapter *adapter)
hw->mac.type, hw->phy.type, (pba_num >> 8), (pba_num & 0xff));
}
+static void e1000_eeprom_checks(struct e1000_adapter *adapter)
+{
+ struct e1000_hw *hw = &adapter->hw;
+ int ret_val;
+ u16 buf = 0;
+
+ if (hw->mac.type != e1000_82573)
+ return;
+
+ ret_val = e1000_read_nvm(hw, NVM_INIT_CONTROL2_REG, 1, &buf);
+ if (!(le16_to_cpu(buf) & (1 << 0))) {
+ /* Deep Smart Power Down (DSPD) */
+ e_warn("Warning: detected DSPD enabled in EEPROM\n");
+ }
+
+ ret_val = e1000_read_nvm(hw, NVM_INIT_3GIO_3, 1, &buf);
+ if (le16_to_cpu(buf) & (3 << 2)) {
+ /* ASPM enable */
+ e_warn("Warning: detected ASPM enabled in EEPROM\n");
+ }
+}
+
/**
* e1000e_is_need_ioport - determine if an adapter needs ioport resources or not
* @pdev: PCI device information struct
@@ -4400,6 +4422,8 @@ static int __devinit e1000_probe(struct pci_dev *pdev,
}
}
+ e1000_eeprom_checks(adapter);
+
/* copy the MAC address out of the NVM */
if (e1000e_read_mac_addr(&adapter->hw))
e_err("NVM Read Error while reading MAC address\n");