From: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
To: davem@davemloft.net
Cc: Shannon Nelson <shannon.nelson@intel.com>,
netdev@vger.kernel.org, gospo@redhat.com, sassmann@redhat.com,
Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Subject: [net-next 02/14] i40e/i40evf: clear aq bah-bal on shutdown
Date: Tue, 1 Jul 2014 04:34:59 -0700 [thread overview]
Message-ID: <1404214511-26868-3-git-send-email-jeffrey.t.kirsher@intel.com> (raw)
In-Reply-To: <1404214511-26868-1-git-send-email-jeffrey.t.kirsher@intel.com>
From: Shannon Nelson <shannon.nelson@intel.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@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.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
next prev parent reply other threads:[~2014-07-01 11:35 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-07-01 11:34 [net-next 00/14][pull request] Intel Wired LAN Driver Updates 2014-07-01 Jeff Kirsher
2014-07-01 11:34 ` [net-next 01/14] i40e/i40evf: Add base address registers to aq struct Jeff Kirsher
2014-07-01 11:34 ` Jeff Kirsher [this message]
2014-07-01 11:35 ` [net-next 03/14] i40e: clear all queues and interrupts Jeff Kirsher
2014-07-01 11:35 ` [net-next 04/14] i40e: Correct mask assignment value Jeff Kirsher
2014-07-01 11:35 ` [net-next 05/14] i40evf: set flags before sending message Jeff Kirsher
2014-07-01 11:35 ` [net-next 06/14] i40e/i40evf: add ASQ write back timeout variable to AQ structure Jeff Kirsher
2014-07-01 11:35 ` [net-next 07/14] i40e: FD filter replay logic bug fix Jeff Kirsher
2014-07-01 11:35 ` [net-next 08/14] i40e/i40evf: initialize context descriptor Jeff Kirsher
2014-07-01 11:35 ` [net-next 09/14] i40e: limit GLLAN_TXPRE_QDIS to QINDX 0-127 Jeff Kirsher
2014-07-01 11:35 ` [net-next 10/14] i40e: remove linux/export.h header from i40e_ptp.c Jeff Kirsher
2014-07-01 11:35 ` [net-next 11/14] i40evf: change branding string Jeff Kirsher
2014-07-01 11:35 ` [net-next 12/14] i40e/i40evf: Bump i40e to 0.4.19 and i40evf to 0.9.38 Jeff Kirsher
2014-07-01 11:35 ` [net-next 13/14] igb: bring link up when PHY is powered up Jeff Kirsher
2014-07-01 11:35 ` [net-next 14/14] ixgbe: change PTP NSECS_PER_SEC to IXGBE_PTP_PPS_HALF_SECOND Jeff Kirsher
2014-07-02 6:09 ` [net-next 00/14][pull request] Intel Wired LAN Driver Updates 2014-07-01 David Miller
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