From patchwork Wed Mar 30 10:49:38 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Harshitha Ramamurthy X-Patchwork-Id: 603567 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from whitealder.osuosl.org (smtp1.osuosl.org [140.211.166.138]) by ozlabs.org (Postfix) with ESMTP id 3qZxfh2jTTz9s5l for ; Thu, 31 Mar 2016 05:55:24 +1100 (AEDT) Received: from localhost (localhost [127.0.0.1]) by whitealder.osuosl.org (Postfix) with ESMTP id 82B7791213; Wed, 30 Mar 2016 18:55:23 +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 0zylZmjHbJOB; Wed, 30 Mar 2016 18:55:20 +0000 (UTC) Received: from ash.osuosl.org (ash.osuosl.org [140.211.166.34]) by whitealder.osuosl.org (Postfix) with ESMTP id 0B79F8B495; Wed, 30 Mar 2016 18:55:19 +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 3FE5B1C0BC2 for ; Wed, 30 Mar 2016 18:55:17 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by whitealder.osuosl.org (Postfix) with ESMTP id 3B1E690FCA for ; Wed, 30 Mar 2016 18:55:17 +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 drWgHYO7gfwJ for ; Wed, 30 Mar 2016 18:55:15 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.7.6 Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by whitealder.osuosl.org (Postfix) with ESMTP id 62B1A8C8B9 for ; Wed, 30 Mar 2016 18:55:15 +0000 (UTC) Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by orsmga102.jf.intel.com with ESMTP; 30 Mar 2016 11:55:15 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.24,417,1455004800"; d="scan'208";a="948242487" Received: from harshitha-linux1.jf.intel.com ([10.166.45.81]) by fmsmga002.fm.intel.com with ESMTP; 30 Mar 2016 11:55:15 -0700 From: Harshitha Ramamurthy To: intel-wired-lan@lists.osuosl.org Date: Wed, 30 Mar 2016 03:49:38 -0700 Message-Id: <1459334988-19951-4-git-send-email-harshitha.ramamurthy@intel.com> X-Mailer: git-send-email 2.4.3 In-Reply-To: <1459334988-19951-1-git-send-email-harshitha.ramamurthy@intel.com> References: <1459334988-19951-1-git-send-email-harshitha.ramamurthy@intel.com> Cc: Akeem G Abodunrin Subject: [Intel-wired-lan] [v2 next PATCH S32 03/13] 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 9924503..f2a9c14 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c +++ b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c @@ -941,6 +941,7 @@ 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",