diff options
| -rw-r--r-- | drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c | 11 |
1 files changed, 9 insertions, 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 5bae89550657..044019b9d406 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c +++ b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c @@ -791,10 +791,18 @@ void i40e_free_vfs(struct i40e_pf *pf) if (!pf->vf) return; + /* Disable IOV before freeing resources. This lets any VF drivers + * running in the host get themselves cleaned up before we yank + * the carpet out from underneath their feet. + */ + if (!pci_vfs_assigned(pf->pdev)) + pci_disable_sriov(pf->pdev); + + msleep(20); /* let any messages in transit get finished up */ + /* Disable interrupt 0 so we don't try to handle the VFLR. */ i40e_irq_dynamic_disable_icr0(pf); - mdelay(10); /* let any messages in transit get finished up */ /* free up vf resources */ tmp = pf->num_alloc_vfs; pf->num_alloc_vfs = 0; @@ -813,7 +821,6 @@ void i40e_free_vfs(struct i40e_pf *pf) * before this function ever gets called. */ if (!pci_vfs_assigned(pf->pdev)) { - pci_disable_sriov(pf->pdev); /* Acknowledge VFLR for all VFS. Without this, VFs will fail to * work correctly when SR-IOV gets re-enabled. */ |