From mboxrd@z Thu Jan 1 00:00:00 1970 From: Catherine Sullivan Date: Tue, 7 Apr 2015 19:45:35 -0400 Subject: [Intel-wired-lan] [net-next S3 06/13] i40e: For VF reset (VFR and VFLR) add some more delay In-Reply-To: <1428450342-48517-1-git-send-email-catherine.sullivan@intel.com> References: <1428450342-48517-1-git-send-email-catherine.sullivan@intel.com> Message-ID: <1428450342-48517-6-git-send-email-catherine.sullivan@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: intel-wired-lan@osuosl.org List-ID: From: Anjali Singhai Jain 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 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