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i40e: only enable PTP interrupt cause if PTP is enabled 

We should not blindly enable the PTP interrupt flags for all PFs. We
should only enable the PTP interrupt in PFs which have enabled
PTP.

Change-ID: I051a17cae4c199a2f3cf7852266e27eda6630525
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This commit is contained in:
Jacob Keller 2014-12-14 01:55:08 +00:00 committed by Jeff Kirsher
parent 65b206d24e
commit ab437b5a0f
1 changed files with 7 additions and 4 deletions
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11
drivers/net/ethernet/intel/i40e/i40e_main.c
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@ -2819,8 +2819,9 @@ static void i40e_vsi_configure_msix(struct i40e_vsi *vsi)
* i40e_enable_misc_int_causes - enable the non-queue interrupts
* @hw: ptr to the hardware info
**/
static void i40e_enable_misc_int_causes(struct i40e_hw *hw)
static void i40e_enable_misc_int_causes(struct i40e_pf *pf)
{
struct i40e_hw *hw = &pf->hw;
u32 val;
/* clear things first */
@ -2832,11 +2833,13 @@ static void i40e_enable_misc_int_causes(struct i40e_hw *hw)
I40E_PFINT_ICR0_ENA_GRST_MASK |
I40E_PFINT_ICR0_ENA_PCI_EXCEPTION_MASK |
I40E_PFINT_ICR0_ENA_GPIO_MASK |
I40E_PFINT_ICR0_ENA_TIMESYNC_MASK |
I40E_PFINT_ICR0_ENA_HMC_ERR_MASK |
I40E_PFINT_ICR0_ENA_VFLR_MASK |
I40E_PFINT_ICR0_ENA_ADMINQ_MASK;
if (pf->flags & I40E_FLAG_PTP)
val |= I40E_PFINT_ICR0_ENA_TIMESYNC_MASK;
wr32(hw, I40E_PFINT_ICR0_ENA, val);
/* SW_ITR_IDX = 0, but don't change INTENA */
@ -2866,7 +2869,7 @@ static void i40e_configure_msi_and_legacy(struct i40e_vsi *vsi)
q_vector->tx.latency_range = I40E_LOW_LATENCY;
wr32(hw, I40E_PFINT_ITR0(I40E_TX_ITR), q_vector->tx.itr);
i40e_enable_misc_int_causes(hw);
i40e_enable_misc_int_causes(pf);
/* FIRSTQ_INDX = 0, FIRSTQ_TYPE = 0 (rx) */
wr32(hw, I40E_PFINT_LNKLST0, 0);
@ -7137,7 +7140,7 @@ static int i40e_setup_misc_vector(struct i40e_pf *pf)
}
}
i40e_enable_misc_int_causes(hw);
i40e_enable_misc_int_causes(pf);
/* associate no queues to the misc vector */
wr32(hw, I40E_PFINT_LNKLST0, I40E_QUEUE_END_OF_LIST);