From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 29544C3A59E for ; Wed, 21 Aug 2019 20:16:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id F06F422CF7 for ; Wed, 21 Aug 2019 20:16:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730313AbfHUUQj (ORCPT ); Wed, 21 Aug 2019 16:16:39 -0400 Received: from mga01.intel.com ([192.55.52.88]:19346 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730112AbfHUUQd (ORCPT ); Wed, 21 Aug 2019 16:16:33 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by fmsmga101.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 21 Aug 2019 13:16:28 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.64,412,1559545200"; d="scan'208";a="203148222" Received: from jtkirshe-desk1.jf.intel.com ([134.134.177.96]) by fmsmga004.fm.intel.com with ESMTP; 21 Aug 2019 13:16:28 -0700 From: Jeff Kirsher To: davem@davemloft.net Cc: Marcin Formela , netdev@vger.kernel.org, nhorman@redhat.com, sassmann@redhat.com, Andrew Bowers , Jeff Kirsher Subject: [net-next 15/15] i40e: fix retrying in i40e_aq_get_phy_capabilities Date: Wed, 21 Aug 2019 13:16:23 -0700 Message-Id: <20190821201623.5506-16-jeffrey.t.kirsher@intel.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190821201623.5506-1-jeffrey.t.kirsher@intel.com> References: <20190821201623.5506-1-jeffrey.t.kirsher@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Marcin Formela Fixed a bug where driver was breaking out of the loop and reporting an error without retrying first. Signed-off-by: Marcin Formela Tested-by: Andrew Bowers Signed-off-by: Jeff Kirsher --- drivers/net/ethernet/intel/i40e/i40e_common.c | 17 ++++++++++------- 1 file changed, 10 insertions(+), 7 deletions(-) diff --git a/drivers/net/ethernet/intel/i40e/i40e_common.c b/drivers/net/ethernet/intel/i40e/i40e_common.c index de996a80013e..46e649c09f72 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_common.c +++ b/drivers/net/ethernet/intel/i40e/i40e_common.c @@ -1577,19 +1577,22 @@ i40e_status i40e_aq_get_phy_capabilities(struct i40e_hw *hw, status = i40e_asq_send_command(hw, &desc, abilities, abilities_size, cmd_details); - if (status) - break; - - if (hw->aq.asq_last_status == I40E_AQ_RC_EIO) { + switch (hw->aq.asq_last_status) { + case I40E_AQ_RC_EIO: status = I40E_ERR_UNKNOWN_PHY; break; - } else if (hw->aq.asq_last_status == I40E_AQ_RC_EAGAIN) { + case I40E_AQ_RC_EAGAIN: usleep_range(1000, 2000); total_delay++; status = I40E_ERR_TIMEOUT; + break; + /* also covers I40E_AQ_RC_OK */ + default: + break; } - } while ((hw->aq.asq_last_status != I40E_AQ_RC_OK) && - (total_delay < max_delay)); + + } while ((hw->aq.asq_last_status == I40E_AQ_RC_EAGAIN) && + (total_delay < max_delay)); if (status) return status; -- 2.21.0