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Commit b141d619 authored by Mitch Williams's avatar Mitch Williams Committed by Jeff Kirsher
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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: default avatarMitch Williams <mitch.a.williams@intel.com>
Signed-off-by: default avatarJesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: default avatarSibai Li <sibai.li@intel.com>
Signed-off-by: default avatarJeff Kirsher <jeffrey.t.kirsher@intel.com>
parent 1b60f3c4

drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c

+1 −2
Original line number Diff line number Diff line
@@ -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));