From patchwork Thu Feb 18 06:30:09 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Zhang, Helin" X-Patchwork-Id: 10603 Return-Path: X-Original-To: patchwork@dpdk.org Delivered-To: patchwork@dpdk.org Received: from [92.243.14.124] (localhost [IPv6:::1]) by dpdk.org (Postfix) with ESMTP id E3AB3C3F8; Thu, 18 Feb 2016 07:31:13 +0100 (CET) Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by dpdk.org (Postfix) with ESMTP id 5D8B5C3F6 for ; Thu, 18 Feb 2016 07:31:13 +0100 (CET) Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga101.fm.intel.com with ESMTP; 17 Feb 2016 22:31:12 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.22,464,1449561600"; d="scan'208";a="918238955" Received: from shvmail01.sh.intel.com ([10.239.29.42]) by fmsmga002.fm.intel.com with ESMTP; 17 Feb 2016 22:31:07 -0800 Received: from shecgisg004.sh.intel.com (shecgisg004.sh.intel.com [10.239.29.89]) by shvmail01.sh.intel.com with ESMTP id u1I6V6LE030765; Thu, 18 Feb 2016 14:31:06 +0800 Received: from shecgisg004.sh.intel.com (localhost [127.0.0.1]) by shecgisg004.sh.intel.com (8.13.6/8.13.6/SuSE Linux 0.8) with ESMTP id u1I6V2Wv012263; Thu, 18 Feb 2016 14:31:04 +0800 Received: (from hzhan75@localhost) by shecgisg004.sh.intel.com (8.13.6/8.13.6/Submit) id u1I6V2dG012259; Thu, 18 Feb 2016 14:31:02 +0800 From: Helin Zhang To: dev@dpdk.org Date: Thu, 18 Feb 2016 14:30:09 +0800 Message-Id: <1455777020-12095-20-git-send-email-helin.zhang@intel.com> X-Mailer: git-send-email 1.7.4.1 In-Reply-To: <1455777020-12095-1-git-send-email-helin.zhang@intel.com> References: <1452825653-623-1-git-send-email-helin.zhang@intel.com> <1455777020-12095-1-git-send-email-helin.zhang@intel.com> Subject: [dpdk-dev] [PATCH v2 19/30] i40e/base: increase timeout when checking GLGEN_RSTAT_DEVSTATE bit X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" When linking with particular PHY types (ex: copper PHY), the amount of time it takes for the GLGEN_RSTAT_DEVSTATE to be set increases greatly, which can lead to a timeout and failure to load the driver. Signed-off-by: Helin Zhang --- drivers/net/i40e/base/i40e_common.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/net/i40e/base/i40e_common.c b/drivers/net/i40e/base/i40e_common.c index a4cf5cf..925bb1c 100644 --- a/drivers/net/i40e/base/i40e_common.c +++ b/drivers/net/i40e/base/i40e_common.c @@ -1316,11 +1316,11 @@ enum i40e_status_code i40e_pf_reset(struct i40e_hw *hw) grst_del = (rd32(hw, I40E_GLGEN_RSTCTL) & I40E_GLGEN_RSTCTL_GRSTDEL_MASK) >> I40E_GLGEN_RSTCTL_GRSTDEL_SHIFT; -#ifdef I40E_ESS_SUPPORT + /* It can take upto 15 secs for GRST steady state */ grst_del = grst_del * 20; /* bump it to 16 secs max to be safe */ -#endif - for (cnt = 0; cnt < grst_del + 10; cnt++) { + + for (cnt = 0; cnt < grst_del; cnt++) { reg = rd32(hw, I40E_GLGEN_RSTAT); if (!(reg & I40E_GLGEN_RSTAT_DEVSTATE_MASK)) break;