[PATCH v4 6/7] e1000: lsc interrupt setup function only enable itself
From: Yong Liu <hidden>
Date: 2015-10-29 15:56:50
Subsystem:
networking drivers, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Only mask lsc interrupt bit when setup device interrupt. Signed-off-by: Marvin Liu <redacted>
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