[Intel-wired-lan] [net-next S3 06/13] i40e: For VF reset (VFR and VFLR) add some more delay
Catherine Sullivan
catherine.sullivan at intel.com
Tue Apr 7 23:45:35 UTC 2015
From: Anjali Singhai Jain <anjali.singhai at intel.com>
With a HW issue that was recently discovered, after a VFLR HW might be
indicating to us a reset completion little too early. So wait another 10
msec for cache to be cleaned up.
Signed-off-by: Anjali Singhai Jain <anjali.singhai at intel.com>
Change-ID: I6a24dcf5dd7ffcd6500246e717411ef58532d1e9
---
drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c
index 98e0921..78d1c4f 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c
@@ -812,6 +812,9 @@ void i40e_reset_vf(struct i40e_vf *vf, bool flr)
}
}
+ if (flr)
+ usleep_range(10000, 20000);
+
if (!rsd)
dev_err(&pf->pdev->dev, "VF reset check timeout on VF %d\n",
vf->vf_id);
--
1.9.3
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