From c96c65930fb5a348d96b88f4edeea1ddf8229c28 Mon Sep 17 00:00:00 2001 From: Yangbo Lu 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 --- 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,