diff mbox

[net-next,02/14] i40e/i40evf: clear aq bah-bal on shutdown

Message ID 1404214511-26868-3-git-send-email-jeffrey.t.kirsher@intel.com
State Accepted, archived
Delegated to: David Miller
Headers show

Commit Message

Kirsher, Jeffrey T July 1, 2014, 11:34 a.m. UTC 
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 mbox

Patch

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);