From b141d6196c748796993890f461dd83c9657ee616 Mon Sep 17 00:00:00 2001 From: Mitch Williams Date: Thu, 28 Nov 2013 06:39:36 +0000 Subject: [PATCH] i40e: avoid unnecessary register read We don't need to read the base VF id. It's already stashed in the HW struct. Change-Id: Ib81e2f76fc40b12c966e014a856b481912cafefc Signed-off-by: Mitch Williams Signed-off-by: Jesse Brandeburg Tested-by: Sibai Li Signed-off-by: Jeff Kirsher --- drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c index 2c042a264db0..bed60220e692 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c +++ b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c @@ -600,8 +600,7 @@ static int i40e_quiesce_vf_pci(struct i40e_vf *vf) int vf_abs_id, i; u32 reg; - reg = rd32(hw, I40E_PF_VT_PFALLOC); - vf_abs_id = vf->vf_id + (reg & I40E_PF_VT_PFALLOC_FIRSTVF_MASK); + vf_abs_id = vf->vf_id + hw->func_caps.vf_base_id; wr32(hw, I40E_PF_PCI_CIAA, VF_DEVICE_STATUS | (vf_abs_id << I40E_PF_PCI_CIAA_VF_NUM_SHIFT)); -- 2.11.0