diff options
Diffstat (limited to 'drivers/net/e1000/e1000_main.c')
| -rw-r--r-- | drivers/net/e1000/e1000_main.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c index 22c8286a484..66cf1748ba9 100644 --- a/drivers/net/e1000/e1000_main.c +++ b/drivers/net/e1000/e1000_main.c @@ -378,6 +378,8 @@ void e1000_down(struct e1000_adapter *adapter) { struct net_device *netdev = adapter->netdev; + boolean_t mng_mode_enabled = (adapter->hw.mac_type >= e1000_82571) && + e1000_check_mng_mode(&adapter->hw); e1000_irq_disable(adapter); #ifdef CONFIG_E1000_MQ @@ -405,12 +407,16 @@ e1000_down(struct e1000_adapter *adapter) e1000_clean_all_tx_rings(adapter); e1000_clean_all_rx_rings(adapter); - /* If WoL is not enabled and management mode is not IAMT - * Power down the PHY so no link is implied when interface is down */ - if(!adapter->wol && adapter->hw.mac_type >= e1000_82540 && + /* Power down the PHY so no link is implied when interface is down * + * The PHY cannot be powered down if any of the following is TRUE * + * (a) WoL is enabled + * (b) AMT is active + * (c) SoL/IDER session is active */ + if (!adapter->wol && adapter->hw.mac_type >= e1000_82540 && adapter->hw.media_type == e1000_media_type_copper && - !e1000_check_mng_mode(&adapter->hw) && - !(E1000_READ_REG(&adapter->hw, MANC) & E1000_MANC_SMBUS_EN)) { + !(E1000_READ_REG(&adapter->hw, MANC) & E1000_MANC_SMBUS_EN) && + !mng_mode_enabled && + !e1000_check_phy_reset_block(&adapter->hw)) { uint16_t mii_reg; e1000_read_phy_reg(&adapter->hw, PHY_CTRL, &mii_reg); mii_reg |= MII_CR_POWER_DOWN; |