From 26d7178f5ba164e329f137b00a542fd67b850051 Mon Sep 17 00:00:00 2001 From: Shannon Nelson Date: Sat, 16 Nov 2013 10:00:35 +0000 Subject: [PATCH] i40e: clear AQ head and tail registers During admin queue shutdown clear some more registers explicitly. Change-Id: Ifb235c691e1c55e76bf66e0642207f464153d05a Signed-off-by: Shannon Nelson Signed-off-by: Jesse Brandeburg Tested-by: Kavindya Deegala Signed-off-by: Jeff Kirsher --- drivers/net/ethernet/intel/i40e/i40e_adminq.c | 18 ++++++++++++++---- 1 file changed, 14 insertions(+), 4 deletions(-) diff --git a/drivers/net/ethernet/intel/i40e/i40e_adminq.c b/drivers/net/ethernet/intel/i40e/i40e_adminq.c index cfef7fc32cdd..2bf73dda160b 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_adminq.c +++ b/drivers/net/ethernet/intel/i40e/i40e_adminq.c @@ -466,10 +466,15 @@ static i40e_status i40e_shutdown_asq(struct i40e_hw *hw) return I40E_ERR_NOT_READY; /* Stop firmware AdminQ processing */ - if (hw->mac.type == I40E_MAC_VF) + if (hw->mac.type == I40E_MAC_VF) { wr32(hw, I40E_VF_ATQLEN1, 0); - else + wr32(hw, I40E_VF_ATQH1, 0); + wr32(hw, I40E_VF_ATQT1, 0); + } else { wr32(hw, I40E_PF_ATQLEN, 0); + wr32(hw, I40E_PF_ATQH, 0); + wr32(hw, I40E_PF_ATQT, 0); + } /* make sure lock is available */ mutex_lock(&hw->aq.asq_mutex); @@ -500,10 +505,15 @@ static i40e_status i40e_shutdown_arq(struct i40e_hw *hw) return I40E_ERR_NOT_READY; /* Stop firmware AdminQ processing */ - if (hw->mac.type == I40E_MAC_VF) + if (hw->mac.type == I40E_MAC_VF) { wr32(hw, I40E_VF_ARQLEN1, 0); - else + wr32(hw, I40E_VF_ARQH1, 0); + wr32(hw, I40E_VF_ARQT1, 0); + } else { wr32(hw, I40E_PF_ARQLEN, 0); + wr32(hw, I40E_PF_ARQH, 0); + wr32(hw, I40E_PF_ARQT, 0); + } /* make sure lock is available */ mutex_lock(&hw->aq.arq_mutex); -- 2.20.1