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Date: Tue, 1 Jul 2014 04:34:59 -0700 From: Jeff Kirsher <jeffrey.t.kirsher@...el.com> To: davem@...emloft.net Cc: Shannon Nelson <shannon.nelson@...el.com>, netdev@...r.kernel.org, gospo@...hat.com, sassmann@...hat.com, Jeff Kirsher <jeffrey.t.kirsher@...el.com> Subject: [net-next 02/14] i40e/i40evf: clear aq bah-bal on shutdown From: Shannon Nelson <shannon.nelson@...el.com> Clear the AQ BAH and BAL registers on a clean shutdown to help make sure all is tidy when the driver is done. Change-ID: I393e92680247daa52a8e00bab183213672d73578 Signed-off-by: Shannon Nelson <shannon.nelson@...el.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@...el.com> --- drivers/net/ethernet/intel/i40e/i40e_adminq.c | 4 ++++ drivers/net/ethernet/intel/i40evf/i40e_adminq.c | 4 ++++ 2 files changed, 8 insertions(+) diff --git a/drivers/net/ethernet/intel/i40e/i40e_adminq.c b/drivers/net/ethernet/intel/i40e/i40e_adminq.c index 87f1d8b..a8244a5 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_adminq.c +++ b/drivers/net/ethernet/intel/i40e/i40e_adminq.c @@ -489,6 +489,8 @@ static i40e_status i40e_shutdown_asq(struct i40e_hw *hw) wr32(hw, hw->aq.asq.head, 0); wr32(hw, hw->aq.asq.tail, 0); wr32(hw, hw->aq.asq.len, 0); + wr32(hw, hw->aq.asq.bal, 0); + wr32(hw, hw->aq.asq.bah, 0); /* make sure lock is available */ mutex_lock(&hw->aq.asq_mutex); @@ -520,6 +522,8 @@ static i40e_status i40e_shutdown_arq(struct i40e_hw *hw) wr32(hw, hw->aq.arq.head, 0); wr32(hw, hw->aq.arq.tail, 0); wr32(hw, hw->aq.arq.len, 0); + wr32(hw, hw->aq.arq.bal, 0); + wr32(hw, hw->aq.arq.bah, 0); /* make sure lock is available */ mutex_lock(&hw->aq.arq_mutex); diff --git a/drivers/net/ethernet/intel/i40evf/i40e_adminq.c b/drivers/net/ethernet/intel/i40evf/i40e_adminq.c index 79a30dd..c277763 100644 --- a/drivers/net/ethernet/intel/i40evf/i40e_adminq.c +++ b/drivers/net/ethernet/intel/i40evf/i40e_adminq.c @@ -487,6 +487,8 @@ static i40e_status i40e_shutdown_asq(struct i40e_hw *hw) wr32(hw, hw->aq.asq.head, 0); wr32(hw, hw->aq.asq.tail, 0); wr32(hw, hw->aq.asq.len, 0); + wr32(hw, hw->aq.asq.bal, 0); + wr32(hw, hw->aq.asq.bah, 0); /* make sure lock is available */ mutex_lock(&hw->aq.asq_mutex); @@ -518,6 +520,8 @@ static i40e_status i40e_shutdown_arq(struct i40e_hw *hw) wr32(hw, hw->aq.arq.head, 0); wr32(hw, hw->aq.arq.tail, 0); wr32(hw, hw->aq.arq.len, 0); + wr32(hw, hw->aq.arq.bal, 0); + wr32(hw, hw->aq.arq.bah, 0); /* make sure lock is available */ mutex_lock(&hw->aq.arq_mutex); -- 1.9.3 -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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