New VFs reference counter mechanism and VFs assignment helper functions are 
introduced to
PCI SRIOV, use them instead of manipulating device flag directly.

Signed-off-by: Ethan Zhao <ethan.z...@oracle.com>
---
 drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c |   17 ++---------------
 1 files changed, 2 insertions(+), 15 deletions(-)

diff --git a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c 
b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c
index 02c11a7..781040e 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c
@@ -693,22 +693,9 @@ complete_reset:
 static bool i40e_vfs_are_assigned(struct i40e_pf *pf)
 {
        struct pci_dev *pdev = pf->pdev;
-       struct pci_dev *vfdev;
-
-       /* loop through all the VFs to see if we own any that are assigned */
-       vfdev = pci_get_device(PCI_VENDOR_ID_INTEL, I40E_DEV_ID_VF , NULL);
-       while (vfdev) {
-               /* if we don't own it we don't care */
-               if (vfdev->is_virtfn && pci_physfn(vfdev) == pdev) {
-                       /* if it is assigned we cannot release it */
-                       if (vfdev->dev_flags & PCI_DEV_FLAGS_ASSIGNED)
-                               return true;
-               }
 
-               vfdev = pci_get_device(PCI_VENDOR_ID_INTEL,
-                                      I40E_DEV_ID_VF,
-                                      vfdev);
-       }
+       if (pci_vfs_assigned(pdev))
+               return true;
 
        return false;
 }
-- 
1.7.1

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