From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by dpdk.org (Postfix) with ESMTP id 704A59190 for ; Thu, 29 Oct 2015 16:56:50 +0100 (CET) Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga103.jf.intel.com with ESMTP; 29 Oct 2015 08:56:48 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.20,214,1444719600"; d="scan'208";a="806635425" Received: from shvmail01.sh.intel.com ([10.239.29.42]) by orsmga001.jf.intel.com with ESMTP; 29 Oct 2015 08:56:47 -0700 Received: from shecgisg004.sh.intel.com (shecgisg004.sh.intel.com [10.239.29.89]) by shvmail01.sh.intel.com with ESMTP id t9TFuj6g015013; Thu, 29 Oct 2015 23:56:45 +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 t9TFugSZ004657; Thu, 29 Oct 2015 23:56:44 +0800 Received: (from yliu84x@localhost) by shecgisg004.sh.intel.com (8.13.6/8.13.6/Submit) id t9TFufKI004653; Thu, 29 Oct 2015 23:56:41 +0800 From: Yong Liu To: dev@dpdk.org Date: Thu, 29 Oct 2015 23:56:26 +0800 Message-Id: <1446134187-4573-7-git-send-email-yong.liu@intel.com> X-Mailer: git-send-email 1.7.4.1 In-Reply-To: <1446134187-4573-1-git-send-email-yong.liu@intel.com> References: <1446134187-4573-1-git-send-email-yong.liu@intel.com> Subject: [dpdk-dev] [PATCH v4 6/7] e1000: lsc interrupt setup function 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: Thu, 29 Oct 2015 15:56:51 -0000 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 b1e0c3c..d2d017c 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