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