From 464c85e37e6b2d2ad4f3bea23a59408c5595db15 Mon Sep 17 00:00:00 2001 From: Bruce Allan Date: Fri, 16 Dec 2011 00:46:49 +0000 Subject: [PATCH] e1000e: conditionally restart autoneg on 82577/8/9 when setting LPLU state 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 Tested-by: Aaron Brown Signed-off-by: Jeff Kirsher --- drivers/net/ethernet/intel/e1000e/ich8lan.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) 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: -- 2.7.4