diff options
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/ethernet/intel/igb/igb.h | 1 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/igb/igb_ptp.c | 5 |
2 files changed, 5 insertions, 1 deletions
diff --git a/drivers/net/ethernet/intel/igb/igb.h b/drivers/net/ethernet/intel/igb/igb.h index 03fbe4b7663b..d11093dce1b9 100644 --- a/drivers/net/ethernet/intel/igb/igb.h +++ b/drivers/net/ethernet/intel/igb/igb.h @@ -489,6 +489,7 @@ struct igb_adapter { struct timecounter tc; u32 tx_hwtstamp_timeouts; u32 rx_hwtstamp_cleared; + bool pps_sys_wrap_on; struct ptp_pin_desc sdp_config[IGB_N_SDP]; struct { diff --git a/drivers/net/ethernet/intel/igb/igb_ptp.c b/drivers/net/ethernet/intel/igb/igb_ptp.c index 1dd14e166dc8..a7895c4cbcc3 100644 --- a/drivers/net/ethernet/intel/igb/igb_ptp.c +++ b/drivers/net/ethernet/intel/igb/igb_ptp.c @@ -591,6 +591,7 @@ static int igb_ptp_feature_enable_i210(struct ptp_clock_info *ptp, tsim |= TSINTR_SYS_WRAP; else tsim &= ~TSINTR_SYS_WRAP; + igb->pps_sys_wrap_on = !!on; wr32(E1000_TSIM, tsim); spin_unlock_irqrestore(&igb->tmreg_lock, flags); return 0; @@ -1235,7 +1236,9 @@ void igb_ptp_reset(struct igb_adapter *adapter) case e1000_i211: wr32(E1000_TSAUXC, 0x0); wr32(E1000_TSSDP, 0x0); - wr32(E1000_TSIM, TSYNC_INTERRUPTS); + wr32(E1000_TSIM, + TSYNC_INTERRUPTS | + (adapter->pps_sys_wrap_on ? TSINTR_SYS_WRAP : 0)); wr32(E1000_IMS, E1000_IMS_TS); break; default: |