[dpdk-dev] [PATCH v3 6/8] e1000: lsc interrupt setup function only enable itself

[Yong Liu]

Only mask lsc interrupt bit when setup device interrupt.

Signed-off-by: Marvin Liu <yong.liu at 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