diff options
Diffstat (limited to 'drivers/net/e1000e/phy.c')
-rw-r--r-- | drivers/net/e1000e/phy.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/drivers/net/e1000e/phy.c b/drivers/net/e1000e/phy.c index e23459cf3d0e..994401fd0664 100644 --- a/drivers/net/e1000e/phy.c +++ b/drivers/net/e1000e/phy.c | |||
@@ -1531,7 +1531,12 @@ s32 e1000e_phy_has_link_generic(struct e1000_hw *hw, u32 iterations, | |||
1531 | */ | 1531 | */ |
1532 | ret_val = e1e_rphy(hw, PHY_STATUS, &phy_status); | 1532 | ret_val = e1e_rphy(hw, PHY_STATUS, &phy_status); |
1533 | if (ret_val) | 1533 | if (ret_val) |
1534 | break; | 1534 | /* |
1535 | * If the first read fails, another entity may have | ||
1536 | * ownership of the resources, wait and try again to | ||
1537 | * see if they have relinquished the resources yet. | ||
1538 | */ | ||
1539 | udelay(usec_interval); | ||
1535 | ret_val = e1e_rphy(hw, PHY_STATUS, &phy_status); | 1540 | ret_val = e1e_rphy(hw, PHY_STATUS, &phy_status); |
1536 | if (ret_val) | 1541 | if (ret_val) |
1537 | break; | 1542 | break; |
@@ -2737,6 +2742,11 @@ s32 e1000_link_stall_workaround_hv(struct e1000_hw *hw) | |||
2737 | if (hw->phy.type != e1000_phy_82578) | 2742 | if (hw->phy.type != e1000_phy_82578) |
2738 | goto out; | 2743 | goto out; |
2739 | 2744 | ||
2745 | /* Do not apply workaround if in PHY loopback bit 14 set */ | ||
2746 | hw->phy.ops.read_phy_reg(hw, PHY_CONTROL, &data); | ||
2747 | if (data & PHY_CONTROL_LB) | ||
2748 | goto out; | ||
2749 | |||
2740 | /* check if link is up and at 1Gbps */ | 2750 | /* check if link is up and at 1Gbps */ |
2741 | ret_val = hw->phy.ops.read_phy_reg(hw, BM_CS_STATUS, &data); | 2751 | ret_val = hw->phy.ops.read_phy_reg(hw, BM_CS_STATUS, &data); |
2742 | if (ret_val) | 2752 | if (ret_val) |