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qlcnic: Disable INT-x interrupt for 83xx on driver unload

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o Set HW mask for 8300 Series adapter, in INT-x mode, to
  stop generating interrupt during driver unload.

Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Signed-off-by: Shahed Shaikh <shahed.shaikh@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Himanshu Madhani 2013-05-23 21:04:26 +00:00 committed by David S. Miller
parent a80be5a58e
commit 45ef92ed58
1 changed files with 8 additions and 0 deletions
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8
drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c
View file

@ -312,6 +312,11 @@ inline void qlcnic_83xx_clear_legacy_intr_mask(struct qlcnic_adapter *adapter)
writel(0, adapter->tgt_mask_reg); writel(0, adapter->tgt_mask_reg);
} }
inline void qlcnic_83xx_set_legacy_intr_mask(struct qlcnic_adapter *adapter)
{
writel(1, adapter->tgt_mask_reg);
}
/* Enable MSI-x and INT-x interrupts */ /* Enable MSI-x and INT-x interrupts */
void qlcnic_83xx_enable_intr(struct qlcnic_adapter *adapter, void qlcnic_83xx_enable_intr(struct qlcnic_adapter *adapter,
struct qlcnic_host_sds_ring *sds_ring) struct qlcnic_host_sds_ring *sds_ring)
@ -458,6 +463,9 @@ void qlcnic_83xx_free_mbx_intr(struct qlcnic_adapter *adapter)
{ {
u32 num_msix; u32 num_msix;
if (!(adapter->flags & QLCNIC_MSIX_ENABLED))
qlcnic_83xx_set_legacy_intr_mask(adapter);
qlcnic_83xx_disable_mbx_intr(adapter); qlcnic_83xx_disable_mbx_intr(adapter);
if (adapter->flags & QLCNIC_MSIX_ENABLED) if (adapter->flags & QLCNIC_MSIX_ENABLED)