diff options
Diffstat (limited to 'drivers/net/ethernet/octeon/octeon_mgmt.c')
| -rw-r--r-- | drivers/net/ethernet/octeon/octeon_mgmt.c | 25 |
1 files changed, 1 insertions, 24 deletions
diff --git a/drivers/net/ethernet/octeon/octeon_mgmt.c b/drivers/net/ethernet/octeon/octeon_mgmt.c index 7dc3e9b06d75..979c6980639f 100644 --- a/drivers/net/ethernet/octeon/octeon_mgmt.c +++ b/drivers/net/ethernet/octeon/octeon_mgmt.c @@ -247,28 +247,6 @@ static void octeon_mgmt_rx_fill_ring(struct net_device *netdev) } } -static ktime_t ptp_to_ktime(u64 ptptime) -{ - ktime_t ktimebase; - u64 ptpbase; - unsigned long flags; - - local_irq_save(flags); - /* Fill the icache with the code */ - ktime_get_real(); - /* Flush all pending operations */ - mb(); - /* Read the time and PTP clock as close together as - * possible. It is important that this sequence take the same - * amount of time to reduce jitter - */ - ktimebase = ktime_get_real(); - ptpbase = cvmx_read_csr(CVMX_MIO_PTP_CLOCK_HI); - local_irq_restore(flags); - - return ktime_sub_ns(ktimebase, ptpbase - ptptime); -} - static void octeon_mgmt_clean_tx_buffers(struct octeon_mgmt *p) { union cvmx_mixx_orcnt mix_orcnt; @@ -312,12 +290,12 @@ static void octeon_mgmt_clean_tx_buffers(struct octeon_mgmt *p) /* Read the hardware TX timestamp if one was recorded */ if (unlikely(re.s.tstamp)) { struct skb_shared_hwtstamps ts; + memset(&ts, 0, sizeof(ts)); /* Read the timestamp */ u64 ns = cvmx_read_csr(CVMX_MIXX_TSTAMP(p->port)); /* Remove the timestamp from the FIFO */ cvmx_write_csr(CVMX_MIXX_TSCTL(p->port), 0); /* Tell the kernel about the timestamp */ - ts.syststamp = ptp_to_ktime(ns); ts.hwtstamp = ns_to_ktime(ns); skb_tstamp_tx(skb, &ts); } @@ -429,7 +407,6 @@ good: struct skb_shared_hwtstamps *ts; ts = skb_hwtstamps(skb); ts->hwtstamp = ns_to_ktime(ns); - ts->syststamp = ptp_to_ktime(ns); __skb_pull(skb, 8); } skb->protocol = eth_type_trans(skb, netdev); |