diff options
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/net/e1000e/defines.h | 2 | ||||
-rw-r--r-- | drivers/net/e1000e/phy.c | 5 |
2 files changed, 7 insertions, 0 deletions
diff --git a/drivers/net/e1000e/defines.h b/drivers/net/e1000e/defines.h index 8890c97e1120..4329ec34b178 100644 --- a/drivers/net/e1000e/defines.h +++ b/drivers/net/e1000e/defines.h | |||
@@ -575,6 +575,8 @@ | |||
575 | #define PHY_1000T_STATUS 0x0A /* 1000Base-T Status Reg */ | 575 | #define PHY_1000T_STATUS 0x0A /* 1000Base-T Status Reg */ |
576 | #define PHY_EXT_STATUS 0x0F /* Extended Status Reg */ | 576 | #define PHY_EXT_STATUS 0x0F /* Extended Status Reg */ |
577 | 577 | ||
578 | #define PHY_CONTROL_LB 0x4000 /* PHY Loopback bit */ | ||
579 | |||
578 | /* NVM Control */ | 580 | /* NVM Control */ |
579 | #define E1000_EECD_SK 0x00000001 /* NVM Clock */ | 581 | #define E1000_EECD_SK 0x00000001 /* NVM Clock */ |
580 | #define E1000_EECD_CS 0x00000002 /* NVM Chip Select */ | 582 | #define E1000_EECD_CS 0x00000002 /* NVM Chip Select */ |
diff --git a/drivers/net/e1000e/phy.c b/drivers/net/e1000e/phy.c index e23459cf3d0e..d8453946bff8 100644 --- a/drivers/net/e1000e/phy.c +++ b/drivers/net/e1000e/phy.c | |||
@@ -2737,6 +2737,11 @@ s32 e1000_link_stall_workaround_hv(struct e1000_hw *hw) | |||
2737 | if (hw->phy.type != e1000_phy_82578) | 2737 | if (hw->phy.type != e1000_phy_82578) |
2738 | goto out; | 2738 | goto out; |
2739 | 2739 | ||
2740 | /* Do not apply workaround if in PHY loopback bit 14 set */ | ||
2741 | hw->phy.ops.read_phy_reg(hw, PHY_CONTROL, &data); | ||
2742 | if (data & PHY_CONTROL_LB) | ||
2743 | goto out; | ||
2744 | |||
2740 | /* check if link is up and at 1Gbps */ | 2745 | /* check if link is up and at 1Gbps */ |
2741 | ret_val = hw->phy.ops.read_phy_reg(hw, BM_CS_STATUS, &data); | 2746 | ret_val = hw->phy.ops.read_phy_reg(hw, BM_CS_STATUS, &data); |
2742 | if (ret_val) | 2747 | if (ret_val) |