From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by dpdk.org (Postfix) with ESMTP id DDF558E86 for ; Fri, 25 Sep 2015 10:28:33 +0200 (CEST) Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by fmsmga103.fm.intel.com with ESMTP; 25 Sep 2015 01:28:33 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.17,585,1437462000"; d="scan'208";a="568204819" Received: from shvmail01.sh.intel.com ([10.239.29.42]) by FMSMGA003.fm.intel.com with ESMTP; 25 Sep 2015 01:28:32 -0700 Received: from shecgisg003.sh.intel.com (shecgisg003.sh.intel.com [10.239.29.90]) by shvmail01.sh.intel.com with ESMTP id t8P8SUNl027768; Fri, 25 Sep 2015 16:28:30 +0800 Received: from shecgisg003.sh.intel.com (localhost [127.0.0.1]) by shecgisg003.sh.intel.com (8.13.6/8.13.6/SuSE Linux 0.8) with ESMTP id t8P8SSxX004788; Fri, 25 Sep 2015 16:28:30 +0800 Received: (from yliu84x@localhost) by shecgisg003.sh.intel.com (8.13.6/8.13.6/Submit) id t8P8SSIi004784; Fri, 25 Sep 2015 16:28:28 +0800 From: Yong Liu To: dev@dpdk.org Date: Fri, 25 Sep 2015 16:28:11 +0800 Message-Id: <1443169692-4709-7-git-send-email-yong.liu@intel.com> X-Mailer: git-send-email 1.7.4.1 In-Reply-To: <1443169692-4709-1-git-send-email-yong.liu@intel.com> References: <1443169692-4709-1-git-send-email-yong.liu@intel.com> Subject: [dpdk-dev] [PATCH v1 6/7] e1000: lsc interrupt setup only enable itself 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: , X-List-Received-Date: Fri, 25 Sep 2015 08:28:34 -0000 From: Marvin Liu Only mask lsc interrupt bit when setup device interrupt. Signed-off-by: Marvin Liu diff --git a/drivers/net/e1000/em_ethdev.c b/drivers/net/e1000/em_ethdev.c index 920d814..4e2ebf1 100644 --- a/drivers/net/e1000/em_ethdev.c +++ b/drivers/net/e1000/em_ethdev.c @@ -1343,11 +1343,14 @@ eth_em_vlan_offload_set(struct rte_eth_dev *dev, int mask) static int eth_em_interrupt_setup(struct rte_eth_dev *dev) { + uint32_t regval; struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private); - E1000_WRITE_REG(hw, E1000_IMS, E1000_ICR_LSC); - rte_intr_enable(&(dev->pci_dev->intr_handle)); + /* clear interrupt */ + E1000_READ_REG(hw, E1000_ICR); + regval = E1000_READ_REG(hw, E1000_IMS); + E1000_WRITE_REG(hw, E1000_IMS, regval | E1000_ICR_LSC); return (0); } -- 1.9.3