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i40e/i40evf: clear aq bah-bal on shutdown
authorShannon Nelson <shannon.nelson@intel.com>
Wed, 4 Jun 2014 20:41:22 +0000 (20:41 +0000)
committerJeff Kirsher <jeffrey.t.kirsher@intel.com>
Tue, 1 Jul 2014 06:45:45 +0000 (23:45 -0700)
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 patch | blob | blame | history
drivers/net/ethernet/intel/i40evf/i40e_adminq.c patch | blob | blame | history

diff --git a/drivers/net/ethernet/intel/i40e/i40e_adminq.c b/drivers/net/ethernet/intel/i40e/i40e_adminq.c
index 87f1d8bcb0953400fa09e0afdfdd853de6534171..a8244a54b5dd5ef9c4924441769a5f79d05e5f07 100644 (file)
--- 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 79a30dd8c26fa7aaee5b430d5873f99246149240..c277763bcac00681d5dc56c145f650e4884e2e81 100644 (file)
--- 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);