From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeff Kirsher Subject: [net-next 07/14] i40e: For VF reset (VFR and VFLR) add some more delay Date: Tue, 14 Apr 2015 21:51:44 -0700 Message-ID: <1429073511-27664-8-git-send-email-jeffrey.t.kirsher@intel.com> References: <1429073511-27664-1-git-send-email-jeffrey.t.kirsher@intel.com> Cc: Anjali Singhai Jain , netdev@vger.kernel.org, nhorman@redhat.com, sassmann@redhat.com, jogreene@redhat.com, Jeff Kirsher To: davem@davemloft.net Return-path: Received: from mga09.intel.com ([134.134.136.24]:24240 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751280AbbDOEwF (ORCPT ); Wed, 15 Apr 2015 00:52:05 -0400 In-Reply-To: <1429073511-27664-1-git-send-email-jeffrey.t.kirsher@intel.com> Sender: netdev-owner@vger.kernel.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. Change-ID: I6a24dcf5dd7ffcd6500246e717411ef58532d1e9 Signed-off-by: Anjali Singhai Jain Tested-by: Jim Young Signed-off-by: Jeff Kirsher --- 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