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[next,S32,03/14] i40e: Move HW flush

Message ID 1459163845-28035-4-git-send-email-harshitha.ramamurthy@intel.com
State Superseded
Delegated to: Jeff Kirsher
Headers show

Commit Message

Harshitha Ramamurthy March 28, 2016, 11:17 a.m. UTC 
From: Akeem G Abodunrin <akeem.g.abodunrin@intel.com>

This patch moves the HW flush routine to the end of the reset flow,
after the completion of writing to the device VFLR registers- the
benefit is to avoid problems in the passthrough routines.

Signed-off-by: Akeem G Abodunrin <akeem.g.abodunrin@intel.com>
Change-ID: Ieb56866f21895e6c1fc514b7328c3df79807a57c
---
 drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c | 1 +
 1 file changed, 1 insertion(+)
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Patch

diff --git a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c
index f93a649..21dd1be 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c
@@ -811,6 +811,7 @@  void i40e_reset_vf(struct i40e_vf *vf, bool flr)
 	reg_idx = (hw->func_caps.vf_base_id + vf->vf_id) / 32;
 	bit_idx = (hw->func_caps.vf_base_id + vf->vf_id) % 32;
 	wr32(hw, I40E_GLGEN_VFLRSTAT(reg_idx), BIT(bit_idx));
+	i40e_flush(hw);
 
 	if (i40e_quiesce_vf_pci(vf))
 		dev_err(&pf->pdev->dev, "VF %d PCI transactions stuck\n",