| Message ID | 20230601211507.707619-3-jacob.e.keller@intel.com |
|---|---|
| State | Accepted |
| Delegated to: | Anthony Nguyen |
| Headers | show |
| Series | ice: Improve miscellaneous interrupt code | expand |
> -----Original Message----- > From: Intel-wired-lan <intel-wired-lan-bounces@osuosl.org> On Behalf Of Jacob Keller > Sent: Friday, June 2, 2023 2:45 AM > To: Intel Wired LAN <intel-wired-lan@lists.osuosl.org>; Nguyen, Anthony L <anthony.l.nguyen@intel.com> > Cc: Kolacinski, Karol <karol.kolacinski@intel.com> > Subject: [Intel-wired-lan] [PATCH iwl-next v3 2/5] ice: always return IRQ_WAKE_THREAD in ice_misc_intr() > > From: Karol Kolacinski <karol.kolacinski@intel.com> > > Refactor the ice_misc_intr() function to always return IRQ_WAKE_THREAD, and schedule the service task during the soft IRQ thread function instead of at the end of the hard IRQ handler. > > Remove the duplicate call to ice_service_task_schedule() that happened when we got a PCI exception. > > Signed-off-by: Karol Kolacinski <karol.kolacinski@intel.com> > Signed-off-by: Jacob Keller <jacob.e.keller@intel.com> > --- > drivers/net/ethernet/intel/ice/ice_main.c | 14 ++++---------- > 1 file changed, 4 insertions(+), 10 deletions(-) > Tested-by: Arpana Arland <arpanax.arland@intel.com> (A Contingent worker at Intel)
diff --git a/drivers/net/ethernet/intel/ice/ice_main.c b/drivers/net/ethernet/intel/ice/ice_main.c index 0beb6afc0b2d..34599088633d 100644 --- a/drivers/net/ethernet/intel/ice/ice_main.c +++ b/drivers/net/ethernet/intel/ice/ice_main.c @@ -3058,7 +3058,6 @@ static irqreturn_t ice_misc_intr(int __always_unused irq, void *data) { struct ice_pf *pf = (struct ice_pf *)data; struct ice_hw *hw = &pf->hw; - irqreturn_t ret = IRQ_NONE; struct device *dev; u32 oicr, ena_mask; @@ -3139,10 +3138,8 @@ static irqreturn_t ice_misc_intr(int __always_unused irq, void *data) if (oicr & PFINT_OICR_TSYN_TX_M) { ena_mask &= ~PFINT_OICR_TSYN_TX_M; - if (!hw->reset_ongoing) { + if (!hw->reset_ongoing) set_bit(ICE_MISC_THREAD_TX_TSTAMP, pf->misc_thread); - ret = IRQ_WAKE_THREAD; - } } if (oicr & PFINT_OICR_TSYN_EVNT_M) { @@ -3159,7 +3156,6 @@ static irqreturn_t ice_misc_intr(int __always_unused irq, void *data) GLTSYN_STAT_EVENT2_M); set_bit(ICE_MISC_THREAD_EXTTS_EVENT, pf->misc_thread); - ret = IRQ_WAKE_THREAD; } } @@ -3180,16 +3176,12 @@ static irqreturn_t ice_misc_intr(int __always_unused irq, void *data) if (oicr & (PFINT_OICR_PCI_EXCEPTION_M | PFINT_OICR_ECC_ERR_M)) { set_bit(ICE_PFR_REQ, pf->state); - ice_service_task_schedule(pf); } } - if (!ret) - ret = IRQ_HANDLED; - ice_service_task_schedule(pf); ice_irq_dynamic_ena(hw, NULL, NULL); - return ret; + return IRQ_WAKE_THREAD; } /** @@ -3204,6 +3196,8 @@ static irqreturn_t ice_misc_intr_thread_fn(int __always_unused irq, void *data) if (ice_is_reset_in_progress(pf->state)) return IRQ_HANDLED; + ice_service_task_schedule(pf); + if (test_and_clear_bit(ICE_MISC_THREAD_EXTTS_EVENT, pf->misc_thread)) ice_ptp_extts_event(pf);