diff options
| author | Kevin Bowling <kbowling@FreeBSD.org> | 2026-08-11 17:38:39 +0000 |
|---|---|---|
| committer | Kevin Bowling <kbowling@FreeBSD.org> | 2026-08-11 20:59:32 +0000 |
| commit | b1da641d23a95c4e7f61b7a546938ec8fceb47e7 (patch) | |
| tree | 9b2b81caff53b7029077ef2bdbc9640d3c6424ae | |
| parent | 505e6bb93f80fa3a7799cd88b0d0cafcaa468491 (diff) | |
e1000: Preserve errors while disabling D0 LPLU
Return a PHY write failure immediately when disabling D0 low-power
link-up on 82571-family controllers.
MFC after: 2 weeks
| -rw-r--r-- | sys/dev/e1000/e1000_82571.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/sys/dev/e1000/e1000_82571.c b/sys/dev/e1000/e1000_82571.c index a0a183e326ca..3621f35a819c 100644 --- a/sys/dev/e1000/e1000_82571.c +++ b/sys/dev/e1000/e1000_82571.c @@ -959,6 +959,8 @@ static s32 e1000_set_d0_lplu_state_82571(struct e1000_hw *hw, bool active) data &= ~IGP02E1000_PM_D0_LPLU; ret_val = phy->ops.write_reg(hw, IGP02E1000_PHY_POWER_MGMT, data); + if (ret_val) + return ret_val; /* LPLU and SmartSpeed are mutually exclusive. LPLU is used * during Dx states where the power conservation is most * important. During driver activity we should enable |