diff mbox

[dpdk-dev,v1,6/7] e1000: lsc interrupt setup only enable itself

Message ID 1443169692-4709-7-git-send-email-yong.liu@intel.com (mailing list archive)
State Superseded, archived
Headers

Commit Message

Marvin Liu Sept. 25, 2015, 8:28 a.m. UTC 
  From: Marvin Liu <yong.liu@intel.com>

Only mask lsc interrupt bit when setup device interrupt.

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

Patch

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);
 }