diff options
Diffstat (limited to 'drivers/net/e1000e')
| -rw-r--r-- | drivers/net/e1000e/netdev.c | 24 |
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"); |