From patchwork Mon Mar 28 11:17:14 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Harshitha Ramamurthy X-Patchwork-Id: 602587 X-Patchwork-Delegate: jeffrey.t.kirsher@intel.com Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from fraxinus.osuosl.org (smtp4.osuosl.org [140.211.166.137]) by ozlabs.org (Postfix) with ESMTP id 3qYkMP267Wz9s9k for ; Tue, 29 Mar 2016 06:22:57 +1100 (AEDT) Received: from localhost (localhost [127.0.0.1]) by fraxinus.osuosl.org (Postfix) with ESMTP id 70E5788665; Mon, 28 Mar 2016 19:22:56 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from fraxinus.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id TUeir0GYG0l6; Mon, 28 Mar 2016 19:22:55 +0000 (UTC) Received: from ash.osuosl.org (ash.osuosl.org [140.211.166.34]) by fraxinus.osuosl.org (Postfix) with ESMTP id 446D088716; Mon, 28 Mar 2016 19:22:55 +0000 (UTC) X-Original-To: intel-wired-lan@lists.osuosl.org Delivered-To: intel-wired-lan@lists.osuosl.org Received: from whitealder.osuosl.org (smtp1.osuosl.org [140.211.166.138]) by ash.osuosl.org (Postfix) with ESMTP id 5ABC11BFC8C for ; Mon, 28 Mar 2016 19:22:52 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by whitealder.osuosl.org (Postfix) with ESMTP id 56D598B7AF for ; Mon, 28 Mar 2016 19:22:52 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from whitealder.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id qXTOjGaRvZSL for ; Mon, 28 Mar 2016 19:22:50 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.7.6 Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by whitealder.osuosl.org (Postfix) with ESMTP id 91B228B587 for ; Mon, 28 Mar 2016 19:22:50 +0000 (UTC) Received: from orsmga002.jf.intel.com ([10.7.209.21]) by fmsmga101.fm.intel.com with ESMTP; 28 Mar 2016 12:22:50 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.24,408,1455004800"; d="scan'208";a="943132220" Received: from harshitha-linux1.jf.intel.com ([10.166.45.81]) by orsmga002.jf.intel.com with ESMTP; 28 Mar 2016 12:22:51 -0700 From: Harshitha Ramamurthy To: intel-wired-lan@lists.osuosl.org Date: Mon, 28 Mar 2016 04:17:14 -0700 Message-Id: <1459163845-28035-4-git-send-email-harshitha.ramamurthy@intel.com> X-Mailer: git-send-email 2.4.3 In-Reply-To: <1459163845-28035-1-git-send-email-harshitha.ramamurthy@intel.com> References: <1459163845-28035-1-git-send-email-harshitha.ramamurthy@intel.com> Subject: [Intel-wired-lan] [next PATCH S32 03/14] i40e: Move HW flush X-BeenThere: intel-wired-lan@lists.osuosl.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: Intel Wired Ethernet Linux Kernel Driver Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: intel-wired-lan-bounces@lists.osuosl.org Sender: "Intel-wired-lan" From: Akeem G Abodunrin 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 Change-ID: Ieb56866f21895e6c1fc514b7328c3df79807a57c --- drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c | 1 + 1 file changed, 1 insertion(+) 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",