Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit ab437b5a authored by Jacob Keller's avatar Jacob Keller Committed by Jeff Kirsher
Browse files

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: default avatarJacob Keller <jacob.e.keller@intel.com>
Signed-off-by: default avatarJeff Kirsher <jeffrey.t.kirsher@intel.com>
parent 65b206d2

drivers/net/ethernet/intel/i40e/i40e_main.c

+7 −4
Original line number Diff line number Diff line
@@ -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);