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| author | Jacob Keller <[email protected]> | 2017-09-07 12:05:49 +0000 |
|---|---|---|
| committer | Jeff Kirsher <[email protected]> | 2017-10-09 21:21:26 +0000 |
| commit | dbadbbe235f82f13224c85d29e65cf859afaa18c (patch) | |
| tree | 0d1bb9ea2adb11908f18685f4608d03566dfd2f0 /drivers/net/ethernet/intel/i40e/i40e.h | |
| parent | i40e/i40evf: fix incorrect default ITR values on driver load (diff) | |
| download | kernel-dbadbbe235f82f13224c85d29e65cf859afaa18c.tar.gz kernel-dbadbbe235f82f13224c85d29e65cf859afaa18c.zip | |
i40e/i40evf: always set the CLEARPBA flag when re-enabling interrupts
In the past we changed driver behavior to not clear the PBA when
re-enabling interrupts. This change was motivated by the flawed belief
that clearing the PBA would cause a lost interrupt if a receive
interrupt occurred while interrupts were disabled.
According to empirical testing this isn't the case. Additionally, the
data sheet specifically says that we should set the CLEARPBA bit when
re-enabling interrupts in a polling setup.
This reverts commit 40d72a509862 ("i40e/i40evf: don't lose interrupts")
Signed-off-by: Jacob Keller <[email protected]>
Tested-by: Andrew Bowers <[email protected]>
Signed-off-by: Jeff Kirsher <[email protected]>
Diffstat (limited to 'drivers/net/ethernet/intel/i40e/i40e.h')
| -rw-r--r-- | drivers/net/ethernet/intel/i40e/i40e.h | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/drivers/net/ethernet/intel/i40e/i40e.h b/drivers/net/ethernet/intel/i40e/i40e.h index 7baf6d8a84dd..8139b4ee1dc3 100644 --- a/drivers/net/ethernet/intel/i40e/i40e.h +++ b/drivers/net/ethernet/intel/i40e/i40e.h @@ -949,9 +949,6 @@ static inline void i40e_irq_dynamic_enable(struct i40e_vsi *vsi, int vector) struct i40e_hw *hw = &pf->hw; u32 val; - /* definitely clear the PBA here, as this function is meant to - * clean out all previous interrupts AND enable the interrupt - */ val = I40E_PFINT_DYN_CTLN_INTENA_MASK | I40E_PFINT_DYN_CTLN_CLEARPBA_MASK | (I40E_ITR_NONE << I40E_PFINT_DYN_CTLN_ITR_INDX_SHIFT); @@ -960,7 +957,7 @@ static inline void i40e_irq_dynamic_enable(struct i40e_vsi *vsi, int vector) } void i40e_irq_dynamic_disable_icr0(struct i40e_pf *pf); -void i40e_irq_dynamic_enable_icr0(struct i40e_pf *pf, bool clearpba); +void i40e_irq_dynamic_enable_icr0(struct i40e_pf *pf); int i40e_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd); int i40e_open(struct net_device *netdev); int i40e_close(struct net_device *netdev); |