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From: Yong Liu <yong.liu@intel.com>
To: dev@dpdk.org
Subject: [dpdk-dev] [PATCH v2 6/7] e1000: lsc interrupt setup function only enable itself
Date: Tue, 27 Oct 2015 22:58:16 +0800	[thread overview]
Message-ID: <1445957897-26909-7-git-send-email-yong.liu@intel.com> (raw)
In-Reply-To: <1445957897-26909-1-git-send-email-yong.liu@intel.com>

Only mask lsc interrupt bit when setup device interrupt.

Signed-off-by: Marvin Liu <yong.liu@intel.com>

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

  parent reply	other threads:[~2015-10-27 14:58 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-10-27 14:58 [dpdk-dev] [PATCH v2 0/7] interrupt mode for e1000 Yong Liu
2015-10-27 14:58 ` [dpdk-dev] [PATCH v2 1/7] e1000: add rx interrupt support Yong Liu
2015-10-27 14:58 ` [dpdk-dev] [PATCH v2 2/7] e1000: separate lsc and rxq interrupt disable function Yong Liu
2015-10-27 14:58 ` [dpdk-dev] [PATCH v2 3/7] e1000: add ethdev rxq enable and " Yong Liu
2015-10-27 14:58 ` [dpdk-dev] [PATCH v2 4/7] e1000: add rxq interrupt handler Yong Liu
2015-10-27 14:58 ` [dpdk-dev] [PATCH v2 5/7] e1000: check lsc and rxq not enable in the same time Yong Liu
2015-10-27 14:58 ` Yong Liu [this message]
2015-10-27 14:58 ` [dpdk-dev] [PATCH v2 7/7] l3fwd-power: disable interrupt when wake up from sleep Yong Liu

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