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e1000: restrict link interrupt setup scope

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Only mask lsc interrupt bit when setup device interrupt.

Signed-off-by: Marvin Liu <yong.liu@intel.com>
Acked-by: Cunming Liang <cunming.liang@intel.com>
This commit is contained in:
Yong Liu 2015-10-29 17:18:43 +08:00 committed by Thomas Monjalon
parent 82fb702077
commit 667b9313f9
1 changed files with 5 additions and 2 deletions
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7
drivers/net/e1000/em_ethdev.c
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@ -1268,11 +1268,14 @@ em_intr_disable(struct e1000_hw *hw)
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);
}