diff options
Diffstat (limited to 'drivers/net/e1000e/lib.c')
| -rw-r--r-- | drivers/net/e1000e/lib.c | 31 |
1 files changed, 24 insertions, 7 deletions
diff --git a/drivers/net/e1000e/lib.c b/drivers/net/e1000e/lib.c index b32361dc340e..a968e3a416ac 100644 --- a/drivers/net/e1000e/lib.c +++ b/drivers/net/e1000e/lib.c @@ -2272,6 +2272,11 @@ static s32 e1000_mng_enable_host_if(struct e1000_hw *hw) u32 hicr; u8 i; + if (!(hw->mac.arc_subsystem_valid)) { + e_dbg("ARC subsystem not valid.\n"); + return -E1000_ERR_HOST_INTERFACE_COMMAND; + } + /* Check that the host interface is enabled. */ hicr = er32(HICR); if ((hicr & E1000_HICR_EN) == 0) { @@ -2530,9 +2535,9 @@ bool e1000e_enable_mng_pass_thru(struct e1000_hw *hw) manc = er32(MANC); if (!(manc & E1000_MANC_RCV_TCO_EN)) - return ret_val; + goto out; - if (hw->mac.arc_subsystem_valid) { + if (hw->mac.has_fwsm) { fwsm = er32(FWSM); factps = er32(FACTPS); @@ -2540,16 +2545,28 @@ bool e1000e_enable_mng_pass_thru(struct e1000_hw *hw) ((fwsm & E1000_FWSM_MODE_MASK) == (e1000_mng_mode_pt << E1000_FWSM_MODE_SHIFT))) { ret_val = true; - return ret_val; + goto out; } - } else { - if ((manc & E1000_MANC_SMBUS_EN) && - !(manc & E1000_MANC_ASF_EN)) { + } else if ((hw->mac.type == e1000_82574) || + (hw->mac.type == e1000_82583)) { + u16 data; + + factps = er32(FACTPS); + e1000_read_nvm(hw, NVM_INIT_CONTROL2_REG, 1, &data); + + if (!(factps & E1000_FACTPS_MNGCG) && + ((data & E1000_NVM_INIT_CTRL2_MNGM) == + (e1000_mng_mode_pt << 13))) { ret_val = true; - return ret_val; + goto out; } + } else if ((manc & E1000_MANC_SMBUS_EN) && + !(manc & E1000_MANC_ASF_EN)) { + ret_val = true; + goto out; } +out: return ret_val; } |