From patchwork Mon Jul 27 17:13:31 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tony Nguyen X-Patchwork-Id: 1337101 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=intel.com Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4BFmcX3GTVz9sRR for ; Tue, 28 Jul 2020 03:14:04 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730115AbgG0ROD (ORCPT ); Mon, 27 Jul 2020 13:14:03 -0400 Received: from mga12.intel.com ([192.55.52.136]:43933 "EHLO mga12.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728939AbgG0RNp (ORCPT ); Mon, 27 Jul 2020 13:13:45 -0400 IronPort-SDR: +uHmHWceOZ1Er9Bx2LBDXVtwwkOOhSMXBcjsJOAcGBAPrx8MPRRo/AFRnlbLkqLsvpsaKkVApQ YCnrWViyKZhw== X-IronPort-AV: E=McAfee;i="6000,8403,9695"; a="130631834" X-IronPort-AV: E=Sophos;i="5.75,402,1589266800"; d="scan'208";a="130631834" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Jul 2020 10:13:44 -0700 IronPort-SDR: +XhcDUR3DBfe7M9peo2fDeud6YWiCG/PcB3F4tXLU9Shc/uxzpnc0PtFkVXUyyBYzSiN+jVPzp 0gnzrHYv7t0A== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.75,402,1589266800"; d="scan'208";a="394048641" Received: from jtkirshe-desk1.jf.intel.com ([134.134.177.86]) by fmsmga001.fm.intel.com with ESMTP; 27 Jul 2020 10:13:44 -0700 From: Tony Nguyen To: davem@davemloft.net Cc: Sasha Neftin , netdev@vger.kernel.org, nhorman@redhat.com, sassmann@redhat.com, jeffrey.t.kirsher@intel.com, anthony.l.nguyen@intel.com, Aaron Brown Subject: [net-next v2 1/8] igc: Remove unneeded variable Date: Mon, 27 Jul 2020 10:13:31 -0700 Message-Id: <20200727171338.3698640-2-anthony.l.nguyen@intel.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200727171338.3698640-1-anthony.l.nguyen@intel.com> References: <20200727171338.3698640-1-anthony.l.nguyen@intel.com> MIME-Version: 1.0 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Sasha Neftin Though we are populating and tracking ictxqec, the value is not being used for anything so remove it altogether and save the register read. Signed-off-by: Sasha Neftin Tested-by: Aaron Brown Signed-off-by: Tony Nguyen --- drivers/net/ethernet/intel/igc/igc_hw.h | 1 - drivers/net/ethernet/intel/igc/igc_mac.c | 1 - drivers/net/ethernet/intel/igc/igc_main.c | 1 - drivers/net/ethernet/intel/igc/igc_regs.h | 2 -- 4 files changed, 5 deletions(-) diff --git a/drivers/net/ethernet/intel/igc/igc_hw.h b/drivers/net/ethernet/intel/igc/igc_hw.h index 2ab7d9fab6af..68e83d8529ea 100644 --- a/drivers/net/ethernet/intel/igc/igc_hw.h +++ b/drivers/net/ethernet/intel/igc/igc_hw.h @@ -280,7 +280,6 @@ struct igc_hw_stats { u64 icrxatc; u64 ictxptc; u64 ictxatc; - u64 ictxqec; u64 ictxqmtc; u64 icrxdmtc; u64 icrxoc; diff --git a/drivers/net/ethernet/intel/igc/igc_mac.c b/drivers/net/ethernet/intel/igc/igc_mac.c index b47e7b0a6398..2d9ca3e1bdde 100644 --- a/drivers/net/ethernet/intel/igc/igc_mac.c +++ b/drivers/net/ethernet/intel/igc/igc_mac.c @@ -301,7 +301,6 @@ void igc_clear_hw_cntrs_base(struct igc_hw *hw) rd32(IGC_ICRXATC); rd32(IGC_ICTXPTC); rd32(IGC_ICTXATC); - rd32(IGC_ICTXQEC); rd32(IGC_ICTXQMTC); rd32(IGC_ICRXDMTC); diff --git a/drivers/net/ethernet/intel/igc/igc_main.c b/drivers/net/ethernet/intel/igc/igc_main.c index 8d5869dcf798..e620d7a78d05 100644 --- a/drivers/net/ethernet/intel/igc/igc_main.c +++ b/drivers/net/ethernet/intel/igc/igc_main.c @@ -3735,7 +3735,6 @@ void igc_update_stats(struct igc_adapter *adapter) adapter->stats.icrxatc += rd32(IGC_ICRXATC); adapter->stats.ictxptc += rd32(IGC_ICTXPTC); adapter->stats.ictxatc += rd32(IGC_ICTXATC); - adapter->stats.ictxqec += rd32(IGC_ICTXQEC); adapter->stats.ictxqmtc += rd32(IGC_ICTXQMTC); adapter->stats.icrxdmtc += rd32(IGC_ICRXDMTC); diff --git a/drivers/net/ethernet/intel/igc/igc_regs.h b/drivers/net/ethernet/intel/igc/igc_regs.h index 1c46cec5a799..d6ed1b1ebcbc 100644 --- a/drivers/net/ethernet/intel/igc/igc_regs.h +++ b/drivers/net/ethernet/intel/igc/igc_regs.h @@ -63,7 +63,6 @@ #define IGC_ICRXATC 0x04108 /* Rx Absolute Timer Expire Count */ #define IGC_ICTXPTC 0x0410C /* Tx Packet Timer Expire Count */ #define IGC_ICTXATC 0x04110 /* Tx Absolute Timer Expire Count */ -#define IGC_ICTXQEC 0x04118 /* Tx Queue Empty Count */ #define IGC_ICTXQMTC 0x0411C /* Tx Queue Min Threshold Count */ #define IGC_ICRXDMTC 0x04120 /* Rx Descriptor Min Threshold Count */ #define IGC_ICRXOC 0x04124 /* Receiver Overrun Count */ @@ -184,7 +183,6 @@ #define IGC_IAC 0x04100 /* Interrupt Assertion Count */ #define IGC_ICTXPTC 0x0410C /* Interrupt Cause Tx Pkt Timer Expire Count */ #define IGC_ICTXATC 0x04110 /* Interrupt Cause Tx Abs Timer Expire Count */ -#define IGC_ICTXQEC 0x04118 /* Interrupt Cause Tx Queue Empty Count */ #define IGC_ICTXQMTC 0x0411C /* Interrupt Cause Tx Queue Min Thresh Count */ #define IGC_RPTHC 0x04104 /* Rx Packets To Host */ #define IGC_TLPIC 0x04148 /* EEE Tx LPI Count */