diff options
| -rw-r--r-- | drivers/net/ethernet/intel/ice/ice_main.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice_main.c b/drivers/net/ethernet/intel/ice/ice_main.c index 6811e2a3c154..2665f72b5461 100644 --- a/drivers/net/ethernet/intel/ice/ice_main.c +++ b/drivers/net/ethernet/intel/ice/ice_main.c @@ -3202,8 +3202,15 @@ static irqreturn_t ice_misc_intr_thread_fn(int __always_unused irq, void *data) ice_ptp_extts_event(pf); if (test_and_clear_bit(ICE_MISC_THREAD_TX_TSTAMP, pf->misc_thread)) { - while (ice_ptp_process_ts(pf) == ICE_TX_TSTAMP_WORK_PENDING) - usleep_range(50, 100); + struct ice_hw *hw = &pf->hw; + + /* Process outstanding Tx timestamps. If there is more work, + * re-arm the interrupt to trigger again. + */ + if (ice_ptp_process_ts(pf) == ICE_TX_TSTAMP_WORK_PENDING) { + wr32(hw, PFINT_OICR, PFINT_OICR_TSYN_TX_M); + ice_flush(hw); + } } return IRQ_HANDLED; |