From: Bruce Allan Date: Fri, 30 Sep 2011 08:07:11 +0000 (+0000) Subject: e1000e: WoL fails on device ID 0x1501 X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=462d599449c1047259ec56bfdcca4f55f7a93038;p=openwrt%2Fstaging%2Fblogic.git e1000e: WoL fails on device ID 0x1501 PCI device ID 0x1501 has a hardware bug when the link downshifts for whatever reason which requires a workaround. The workaround already exists for other similar devices but is not called for 0x1501 (it should be called for any ICH8-based device that uses a GbE PHY). There is also one other instance when the workaround should be called - after disabling gigabit speed when going to Sx. Signed-off-by: Bruce Allan Tested-by: Jeff Pieper Signed-off-by: Jeff Kirsher --- diff --git a/drivers/net/ethernet/intel/e1000e/ich8lan.c b/drivers/net/ethernet/intel/e1000e/ich8lan.c index 4ec5a5ad4eb5..ad34de086ee1 100644 --- a/drivers/net/ethernet/intel/e1000e/ich8lan.c +++ b/drivers/net/ethernet/intel/e1000e/ich8lan.c @@ -811,7 +811,7 @@ static s32 e1000_get_variants_ich8lan(struct e1000_adapter *adapter) } if ((adapter->hw.mac.type == e1000_ich8lan) && - (adapter->hw.phy.type == e1000_phy_igp_3)) + (adapter->hw.phy.type != e1000_phy_ife)) adapter->flags |= FLAG_LSC_GIG_SPEED_DROP; /* Enable workaround for 82579 w/ ME enabled */ @@ -3642,15 +3642,14 @@ void e1000e_igp3_phy_powerdown_workaround_ich8lan(struct e1000_hw *hw) * LPLU, Gig disable, MDIC PHY reset): * 1) Set Kumeran Near-end loopback * 2) Clear Kumeran Near-end loopback - * Should only be called for ICH8[m] devices with IGP_3 Phy. + * Should only be called for ICH8[m] devices with any 1G Phy. **/ void e1000e_gig_downshift_workaround_ich8lan(struct e1000_hw *hw) { s32 ret_val; u16 reg_data; - if ((hw->mac.type != e1000_ich8lan) || - (hw->phy.type != e1000_phy_igp_3)) + if ((hw->mac.type != e1000_ich8lan) || (hw->phy.type == e1000_phy_ife)) return; ret_val = e1000e_read_kmrn_reg(hw, E1000_KMRNCTRLSTA_DIAG_OFFSET, @@ -3686,6 +3685,9 @@ void e1000_suspend_workarounds_ich8lan(struct e1000_hw *hw) phy_ctrl |= E1000_PHY_CTRL_D0A_LPLU | E1000_PHY_CTRL_GBE_DISABLE; ew32(PHY_CTRL, phy_ctrl); + if (hw->mac.type == e1000_ich8lan) + e1000e_gig_downshift_workaround_ich8lan(hw); + if (hw->mac.type >= e1000_pchlan) { e1000_oem_bits_config_ich8lan(hw, false); e1000_phy_hw_reset_ich8lan(hw);