[net-next 05/11] e1000e: conditionally restart autoneg on 82577/8/9 when setting LPLU state
flat view
STALE5384d
REVIEWED: 1 (0M)
From: Jeff Kirsher <hidden>
Date: 2012-01-27 03:08:55
Subsystem:
intel ethernet drivers, networking drivers, the rest · Maintainers:
Tony Nguyen, Przemek Kitszel, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Revision v1 of 2 in this series; 1 review trailer.
Revisions (2)
- v1
- v1 current
From: Bruce Allan <redacted> When setting the Low Power Link Up (LPLU, a.k.a. reverse auto-negotiation) on 82577/8278/82579, do not restart auto-negotiation if reset of the Phy is blocked by the Manageability Engine. Signed-off-by: Bruce Allan <redacted> Tested-by: Aaron Brown <redacted> Signed-off-by: Jeff Kirsher <redacted> --- drivers/net/ethernet/intel/e1000e/ich8lan.c | 4 +++- 1 files changed, 3 insertions(+), 1 deletions(-)
diff --git a/drivers/net/ethernet/intel/e1000e/ich8lan.c b/drivers/net/ethernet/intel/e1000e/ich8lan.c
index d99548c..6a6e6f6 100644
--- a/drivers/net/ethernet/intel/e1000e/ich8lan.c
+++ b/drivers/net/ethernet/intel/e1000e/ich8lan.c@@ -1921,7 +1921,9 @@ static s32 e1000_set_lplu_state_pchlan(struct e1000_hw *hw, bool active) else oem_reg &= ~HV_OEM_BITS_LPLU; - oem_reg |= HV_OEM_BITS_RESTART_AN; + if (!e1000_check_reset_block(hw)) + oem_reg |= HV_OEM_BITS_RESTART_AN; + ret_val = e1e_wphy(hw, HV_OEM_BITS, oem_reg); out:
--
1.7.7.6