diff options
Diffstat (limited to 'drivers/net/ethernet/intel/igb/igb_ptp.c')
| -rw-r--r-- | drivers/net/ethernet/intel/igb/igb_ptp.c | 32 |
1 files changed, 30 insertions, 2 deletions
diff --git a/drivers/net/ethernet/intel/igb/igb_ptp.c b/drivers/net/ethernet/intel/igb/igb_ptp.c index 8389bb40a4b..98c58d92122 100644 --- a/drivers/net/ethernet/intel/igb/igb_ptp.c +++ b/drivers/net/ethernet/intel/igb/igb_ptp.c @@ -355,6 +355,34 @@ static int igb_ptp_settime_i210(struct ptp_clock_info *ptp, return 0; } +static int igb_ptp_feature_enable_i210(struct ptp_clock_info *ptp, + struct ptp_clock_request *rq, int on) +{ + struct igb_adapter *igb = + container_of(ptp, struct igb_adapter, ptp_caps); + struct e1000_hw *hw = &igb->hw; + unsigned long flags; + u32 tsim; + + switch (rq->type) { + case PTP_CLK_REQ_PPS: + spin_lock_irqsave(&igb->tmreg_lock, flags); + tsim = rd32(E1000_TSIM); + if (on) + tsim |= TSINTR_SYS_WRAP; + else + tsim &= ~TSINTR_SYS_WRAP; + wr32(E1000_TSIM, tsim); + spin_unlock_irqrestore(&igb->tmreg_lock, flags); + return 0; + + default: + break; + } + + return -EOPNOTSUPP; +} + static int igb_ptp_feature_enable(struct ptp_clock_info *ptp, struct ptp_clock_request *rq, int on) { @@ -797,12 +825,12 @@ void igb_ptp_init(struct igb_adapter *adapter) adapter->ptp_caps.owner = THIS_MODULE; adapter->ptp_caps.max_adj = 62499999; adapter->ptp_caps.n_ext_ts = 0; - adapter->ptp_caps.pps = 0; + adapter->ptp_caps.pps = 1; adapter->ptp_caps.adjfreq = igb_ptp_adjfreq_82580; adapter->ptp_caps.adjtime = igb_ptp_adjtime_i210; adapter->ptp_caps.gettime = igb_ptp_gettime_i210; adapter->ptp_caps.settime = igb_ptp_settime_i210; - adapter->ptp_caps.enable = igb_ptp_feature_enable; + adapter->ptp_caps.enable = igb_ptp_feature_enable_i210; /* Enable the timer functions by clearing bit 31. */ wr32(E1000_TSAUXC, 0x0); break; |