From 8b833b4faa76df878cbf6059212093f2842c3962 Mon Sep 17 00:00:00 2001 From: Kevin Scott Date: Wed, 9 Apr 2014 05:58:54 +0000 Subject: [PATCH] i40e/i40evf: Update check for AQ aliveness Update the i40e_check_asq_alive check to ensure that the len register offset is non-zero, indicating that SW has initialized the AQ. Change-ID: I9c2e804788b4775bef9c7e80954ab004e6bdb306 Signed-off-by: Kevin Scott Tested-by: Kavindya Deegala Signed-off-by: Jeff Kirsher --- drivers/net/ethernet/intel/i40e/i40e_common.c | 6 +++++- drivers/net/ethernet/intel/i40evf/i40e_common.c | 6 +++++- 2 files changed, 10 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/intel/i40e/i40e_common.c b/drivers/net/ethernet/intel/i40e/i40e_common.c index 22eefda3a530..4bea409a552d 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_common.c +++ b/drivers/net/ethernet/intel/i40e/i40e_common.c @@ -133,7 +133,11 @@ void i40e_debug_aq(struct i40e_hw *hw, enum i40e_debug_mask mask, void *desc, **/ bool i40e_check_asq_alive(struct i40e_hw *hw) { - return !!(rd32(hw, hw->aq.asq.len) & I40E_PF_ATQLEN_ATQENABLE_MASK); + if (hw->aq.asq.len) + return !!(rd32(hw, hw->aq.asq.len) & + I40E_PF_ATQLEN_ATQENABLE_MASK); + else + return false; } /** diff --git a/drivers/net/ethernet/intel/i40evf/i40e_common.c b/drivers/net/ethernet/intel/i40evf/i40e_common.c index ac660963b8b7..ea0f2001cc20 100644 --- a/drivers/net/ethernet/intel/i40evf/i40e_common.c +++ b/drivers/net/ethernet/intel/i40evf/i40e_common.c @@ -133,7 +133,11 @@ void i40evf_debug_aq(struct i40e_hw *hw, enum i40e_debug_mask mask, void *desc, **/ bool i40evf_check_asq_alive(struct i40e_hw *hw) { - return !!(rd32(hw, hw->aq.asq.len) & I40E_PF_ATQLEN_ATQENABLE_MASK); + if (hw->aq.asq.len) + return !!(rd32(hw, hw->aq.asq.len) & + I40E_PF_ATQLEN_ATQENABLE_MASK); + else + return false; } /** -- 2.39.5