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authorAaron Ma <aaron.ma@canonical.com>2020-06-18 14:54:53 +0800
committerTony Nguyen <anthony.l.nguyen@intel.com>2020-07-30 10:04:54 -0700
commit1050242fa657093d3788c3ffa0bd9b42e4d7d1ab (patch)
tree8517ad32b0962c33039312adbaa57e540e5fb152 /drivers
parent27a2145d6f826d1fad9de06ac541b1016ced3427 (diff)
e1000e: continue to init PHY even when failed to disable ULP
After 'commit e086ba2fccda4 ("e1000e: disable s0ix entry and exit flows for ME systems")', ThinkPad P14s always failed to disable ULP by ME. 'commit 0c80cdbf3320 ("e1000e: Warn if disabling ULP failed")' break out of init phy: error log: [ 42.364753] e1000e 0000:00:1f.6 enp0s31f6: Failed to disable ULP [ 42.524626] e1000e 0000:00:1f.6 enp0s31f6: PHY Wakeup cause - Unicast Packet [ 42.822476] e1000e 0000:00:1f.6 enp0s31f6: Hardware Error When disable s0ix, E1000_FWSM_ULP_CFG_DONE will never be 1. If continue to init phy like before, it can work as before. iperf test result good too. Fixes: 0c80cdbf3320 ("e1000e: Warn if disabling ULP failed") Signed-off-by: Aaron Ma <aaron.ma@canonical.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/ethernet/intel/e1000e/ich8lan.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/drivers/net/ethernet/intel/e1000e/ich8lan.c b/drivers/net/ethernet/intel/e1000e/ich8lan.c
index f999cca37a8a..489bb5b59475 100644
--- a/drivers/net/ethernet/intel/e1000e/ich8lan.c
+++ b/drivers/net/ethernet/intel/e1000e/ich8lan.c
@@ -301,10 +301,8 @@ static s32 e1000_init_phy_workarounds_pchlan(struct e1000_hw *hw)
*/
hw->dev_spec.ich8lan.ulp_state = e1000_ulp_state_unknown;
ret_val = e1000_disable_ulp_lpt_lp(hw, true);
- if (ret_val) {
+ if (ret_val)
e_warn("Failed to disable ULP\n");
- goto out;
- }
ret_val = hw->phy.ops.acquire(hw);
if (ret_val) {