diff options
Diffstat (limited to 'drivers/net/e1000/e1000_hw.c')
-rw-r--r-- | drivers/net/e1000/e1000_hw.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/net/e1000/e1000_hw.c b/drivers/net/e1000/e1000_hw.c index 29e6f6aba9e2..0e2ccf50d4d7 100644 --- a/drivers/net/e1000/e1000_hw.c +++ b/drivers/net/e1000/e1000_hw.c @@ -3942,14 +3942,15 @@ e1000_phy_powerdown_workaround(struct e1000_hw *hw) E1000_WRITE_REG(hw, PHY_CTRL, reg | E1000_PHY_CTRL_GBE_DISABLE | E1000_PHY_CTRL_NOND0A_GBE_DISABLE); - /* Write VR power-down enable */ + /* Write VR power-down enable - bits 9:8 should be 10b */ e1000_read_phy_reg(hw, IGP3_VR_CTRL, &phy_data); - e1000_write_phy_reg(hw, IGP3_VR_CTRL, phy_data | - IGP3_VR_CTRL_MODE_SHUT); + phy_data |= (1 << 9); + phy_data &= ~(1 << 8); + e1000_write_phy_reg(hw, IGP3_VR_CTRL, phy_data); /* Read it back and test */ e1000_read_phy_reg(hw, IGP3_VR_CTRL, &phy_data); - if ((phy_data & IGP3_VR_CTRL_MODE_SHUT) || retry) + if (((phy_data & IGP3_VR_CTRL_MODE_MASK) == IGP3_VR_CTRL_MODE_SHUT) || retry) break; /* Issue PHY reset and repeat at most one more time */ |