| From c96c65930fb5a348d96b88f4edeea1ddf8229c28 Mon Sep 17 00:00:00 2001 |
| From: Yangbo Lu <yangbo.lu@nxp.com> |
| Date: Thu, 1 Nov 2018 15:34:17 +0800 |
| Subject: [PATCH] sdk_dpaa: fix hardware timestamp value |
| |
| The hardware timestamp value got didn't need to be multiplied |
| by nominal frequency since ptp_qoriq driver initialized the |
| counter to add clock period, not the clock tick. |
| |
| Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com> |
| --- |
| drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth_common.c | 7 ++----- |
| 1 file changed, 2 insertions(+), 5 deletions(-) |
| |
| --- a/drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth_common.c |
| +++ b/drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth_common.c |
| @@ -306,7 +306,7 @@ EXPORT_SYMBOL(dpa_fix_features); |
| u64 dpa_get_timestamp_ns(const struct dpa_priv_s *priv, enum port_type rx_tx, |
| const void *data) |
| { |
| - u64 *ts, ns; |
| + u64 *ts; |
| |
| ts = fm_port_get_buffer_time_stamp(priv->mac_dev->port_dev[rx_tx], |
| data); |
| @@ -316,10 +316,7 @@ u64 dpa_get_timestamp_ns(const struct dp |
| |
| be64_to_cpus(ts); |
| |
| - /* multiple DPA_PTP_NOMINAL_FREQ_PERIOD_NS for case of non power of 2 */ |
| - ns = *ts << DPA_PTP_NOMINAL_FREQ_PERIOD_SHIFT; |
| - |
| - return ns; |
| + return *ts; |
| } |
| |
| int dpa_get_ts(const struct dpa_priv_s *priv, enum port_type rx_tx, |